CN114183629A - Pipeline heat-insulating layer structure capable of being locally disassembled and assembled and design and installation method thereof - Google Patents
Pipeline heat-insulating layer structure capable of being locally disassembled and assembled and design and installation method thereof Download PDFInfo
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- CN114183629A CN114183629A CN202111347942.3A CN202111347942A CN114183629A CN 114183629 A CN114183629 A CN 114183629A CN 202111347942 A CN202111347942 A CN 202111347942A CN 114183629 A CN114183629 A CN 114183629A
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000009434 installation Methods 0.000 title abstract description 15
- 238000009413 insulation Methods 0.000 claims abstract description 180
- 238000004321 preservation Methods 0.000 claims description 95
- 238000012938 design process Methods 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 558
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000011218 segmentation Effects 0.000 description 5
- 239000002356 single layer Substances 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- YZCKVEUIGOORGS-NJFSPNSNSA-N Tritium Chemical compound [3H] YZCKVEUIGOORGS-NJFSPNSNSA-N 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 229910052722 tritium Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 229910021426 porous silicon Inorganic materials 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/14—Arrangements for the insulation of pipes or pipe systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/021—Shape or form of insulating materials, with or without coverings integral with the insulating materials comprising a single piece or sleeve, e.g. split sleeves; consisting of two half sleeves; comprising more than two segments
- F16L59/025—Shape or form of insulating materials, with or without coverings integral with the insulating materials comprising a single piece or sleeve, e.g. split sleeves; consisting of two half sleeves; comprising more than two segments comprising more than two segments
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Insulation (AREA)
Abstract
本发明属于管道保温技术领域，具体公开了一种可局部拆装的管道保温层结构及其设计和安装方法，该保温层结构包括凹槽段保温层、凸台段保温层和弯管段保温层，凹槽段保温层包括凹槽段保温层A和凹槽段保温层B，凸台段保温层包括凸台段保温层A和凸台段保温层B，弯管段保温层包括弯管段保温层A和弯管段保温层B。本发明的保温层结构简单，可以分段拆装并可以自行固定，设计方法简单，安装方法灵活方便，不需要其他固定绑带便可以实现保温层固定。
The invention belongs to the technical field of pipeline thermal insulation, and specifically discloses a partially disassembled pipeline thermal insulation layer structure and a design and installation method thereof. The thermal insulation layer structure comprises a groove section thermal insulation layer, a boss section thermal insulation layer and a bend section thermal insulation layer The insulation layer of the groove section includes the insulation layer A of the groove section and the insulation layer B of the groove section, the insulation layer of the boss section includes the insulation layer A of the boss section and the insulation layer B of the boss section, and the insulation layer of the elbow section includes the elbow section. Section insulation layer A and elbow section insulation layer B. The thermal insulation layer of the invention has a simple structure, can be disassembled and assembled in sections and can be fixed by itself, the design method is simple, the installation method is flexible and convenient, and the thermal insulation layer can be fixed without other fixing straps.
Description
Technical Field
The invention belongs to the technical field of pipeline heat insulation, and particularly relates to a pipeline heat insulation layer structure capable of being locally disassembled and assembled and a design and installation method thereof.
Background
In a nuclear fusion reactor with helium as a coolant, tritium is contained in gas of pipelines, the pipelines are also high-temperature pipelines, the temperature of certain working conditions is as high as 500 ℃, the pipelines need to be subjected to heat insulation treatment, and an insulating layer is arranged to prevent personnel from being scalded. Meanwhile, due to the action of tritium, the traditional rubber strap cannot be used when the heat-insulating layer is fixed. And the positions such as the welding seams of the pipelines need to be detected in service at variable times, the positions of the strain gauges or the thermocouples need to be changed for a plurality of times according to the experimental purpose for the pipelines of some experimental sections, if the traditional iron wires or iron hoops are used for fixing the heat-insulating layer, the heat-insulating layer is inconvenient to disassemble and cannot be disassembled in sections, and the fixing mode of the heat-insulating layer is difficult.
The nano porous silicon dioxide heat insulation layer is widely used in the high-temperature pipeline industry due to the extremely low heat conductivity, and the heat insulation layer material particularly has good machining performance and can be used in a shape required by machining. It is possible to solve the above problems using an insulating layer of this material.
Disclosure of Invention
The invention aims to provide a pipeline heat-insulating layer structure capable of being locally disassembled and assembled and a design and installation method thereof.
The technical scheme for realizing the purpose of the invention is as follows: the utility model provides a pipeline heat preservation layer structure that can local dismouting, heat preservation layer structure includes recess section heat preservation, boss section heat preservation and bend section heat preservation, and recess section heat preservation includes recess section heat preservation A and recess section heat preservation B, and boss section heat preservation includes boss section heat preservation A and boss section heat preservation B, and the bend section heat preservation includes bend section heat preservation A and bend section heat preservation B.
Boss section heat preservation A and boss section heat preservation B are the semicircle tile shape, and boss section heat preservation A is equipped with a N boss respectively with boss section heat preservation B assembly back both ends, and two boss ends of boss section heat preservation A are equipped with the stopper, and boss section heat preservation A's tile type section is equipped with trapezoidal sand grip, and boss section heat preservation B's tile type section is equipped with the trapezoidal recess that matches with trapezoidal sand grip.
The groove section heat preservation layer A and the groove section heat preservation layer B are both semi-circular tile-shaped, two end faces of the groove section heat preservation layer A and the groove section heat preservation layer B are provided with annular grooves close to the inner wall after being assembled, the annular grooves are provided with N convex blocks close to the inner wall of the heat preservation layer respectively, and the annular grooves and the convex blocks form slot gaps.
The bent pipe section heat-insulating layer A and the bent pipe section heat-insulating layer B are both semicircular tile-shaped, and N bosses are arranged at two ends of the bent pipe section heat-insulating layer A and the bent pipe section heat-insulating layer B after the bent pipe section heat-insulating layer A and the bent pipe section heat-insulating layer B are assembled.
The shape and the number of the bosses of the bent pipe section heat-insulating layer are the same as those of the bosses of the boss section heat-insulating layer.
The number of the bosses of the boss section heat insulation layer is the same as that of the notches at the inner side of the groove section heat insulation layer.
The lug boss of the lug boss section heat insulation layer and the lug boss of the groove section heat insulation layer are in sector arc shapes.
The angle of the sector of the boss section heat insulation layer is smaller than the angle of the inner side gap of the groove section heat insulation layer.
The angle of the sector of the boss section heat insulation layer is X which is less than 360 degrees/2N, wherein N is the number of the bosses of the boss section heat insulation layer.
The angle of the inner side gap of the groove section heat insulation layer is Y, and the Y is 360 degrees/N-X.
A design method of a pipeline heat-insulating layer structure capable of being partially disassembled and assembled comprises the following steps:
s1: calculating the thickness of the heat preservation layer;
s2: cutting the pipeline into a plurality of sections along the axial direction of the pipeline;
s3: determining a groove section and a boss section of the pipeline, splitting the bent pipeline section of the pipeline left and right, and defining a groove section heat insulation layer and a boss section heat insulation layer in sequence by taking the bent pipeline section heat insulation layer as a starting point;
s4: designing the number N of bosses of the boss section heat insulation layer;
s5: determining a boss sector angle X of the boss section heat insulation layer and an inner side gap angle Y of the groove section heat insulation layer;
s6: and determining the distance L between the boss of the boss section heat insulation layer and the inner wall of the heat insulation layer and the boss thickness H.
The design method further comprises the following steps:
s7: cutting the pipeline provided with the insulating layer structure into a plurality of sections along the axial direction of the pipeline;
s8: determining a groove section and a boss section of the outer-layer pipeline, splitting the bent section of the outer-layer pipeline up and down, and defining an insulating layer of the groove section and an insulating layer of the boss section of the outer-layer pipeline sequentially by taking the insulating layer of the bent section of the outer-layer pipeline as a starting point;
s9: and (4) repeating the design process of S4-S6 on the outer-layer heat-insulating layer to complete the design of the outer-layer heat-insulating layer.
A method for installing a partially detachable pipe insulation layer structure comprises the following steps:
step 1, installing a bent pipe section heat-insulating layer;
and 3, connecting the bent pipe section heat-insulating layer and the straight pipe section heat-insulating layer.
The step 1 comprises the following steps:
step 1.1, mounting a boss section heat-insulating layer;
step 1.2, installing a bent pipe heat-insulating layer;
and step 1.3, installing a groove section heat insulation layer.
The step 2 comprises the following steps:
step 2.1, installing two sections of boss section heat-insulating layers;
and 2.2, installing the groove section heat-insulating layer.
The step 3 specifically comprises the following steps: through step 1.3 or step 2.2, the inner layer groove section heat insulation layer is connected with the convex inner layer platform section heat insulation layer, or the inner layer groove section heat insulation layer is connected with the inner layer bent pipe section heat insulation layer, so that the inner layer bent pipe section heat insulation layer is connected with the inner layer straight pipe section heat insulation layer.
The installation method further comprises the following steps:
step 4, mounting an outer-layer bent pipe section heat-insulating layer;
step 5, installing an outer-layer straight pipe section heat-insulating layer;
and 6, connecting the outer layer bent pipe section heat-insulating layer and the outer layer straight pipe section heat-insulating layer.
The step 4 comprises the following steps:
step 4.1, mounting an outer-layer boss section heat-insulating layer;
4.2, mounting an outer-layer bent pipe heat-insulating layer;
and 4.3, mounting an outer layer groove section heat insulation layer.
The step 5 comprises the following steps:
step 5.1, installing two sections of outer boss section heat-insulating layers;
and 5.2, installing an outer layer groove section heat insulation layer.
The step 6 specifically comprises the following steps: and 4.3 or 5.2, connecting the outer layer groove section heat-insulating layer with the outer layer platform section heat-insulating layer, or connecting the outer layer groove section heat-insulating layer with the outer layer bent pipe section heat-insulating layer, so that the outer layer bent pipe section heat-insulating layer is connected with the outer layer straight pipe section heat-insulating layer.
The invention has the beneficial technical effects that:
1. the locally-detachable pipeline heat-insulating layer structure provided by the invention is suitable for both a single-layer heat-insulating layer and a double-layer heat-insulating layer, is simple in design method, concise in design flow and convenient to machine, and can meet the requirement of repeatedly detaching and assembling the heat-insulating layer at a specific position of a pipeline.
2. The pipe insulation layer structure capable of being locally disassembled and assembled can be installed in sections and also can be freely disassembled in the installation process, particularly can be automatically fixed, does not need to be bound and fixed by straps such as rubber binding bands or iron wire binding bands, and is flexible and convenient to disassemble and assemble.
3. The pipe heat-insulating layer structure capable of being locally disassembled and assembled is particularly suitable for pipes needing irregular detection or pipes needing to be disassembled for multiple times in high-temperature pipe experiments; the pipe is particularly suitable for the pipe which cannot use a rubber tie to fix a heat-insulating layer, such as a fusion reactor tritium-involved pipe.
Drawings
FIG. 1 is a schematic structural view of a partially detachable pipe insulation layer structure according to the present invention;
FIG. 2 is an exploded view of a partially disassembled pipe insulation structure according to the present invention;
FIG. 3-1 is an isometric view of a boss section insulation layer A of the present invention;
FIG. 3-2 is a front view of a boss section insulation layer A of the present invention;
FIG. 3-3 is a left side view of the boss section insulation layer A of the present invention;
FIG. 4-1 is an isometric view of a boss section insulation layer B of the present invention;
FIG. 4-2 is a front view of a boss section insulation layer B of the present invention;
FIG. 4-3 is a left side view of the boss section insulation layer B of the present invention;
FIG. 5-1 is an assembly isometric view of a boss section insulation layer A and a boss section insulation layer B of the present invention;
FIG. 5-2 is a left side view of the assembly of the boss section insulation layer A and the boss section insulation layer B of the present invention;
FIG. 6-1 is an isometric view of a groove section insulation layer A of the present invention;
FIG. 6-2 is a front view of a groove section insulation layer A of the present invention;
FIG. 6-3 is a right side view of the groove section insulation layer A of the present invention;
FIG. 7-1 is an isometric view of a groove section insulation layer B of the present invention;
FIG. 7-2 is a front view of a groove section insulation layer B of the present invention;
FIG. 7-3 is a right side view of the groove section insulation layer B of the present invention;
FIG. 8-1 is an assembly isometric view of a groove section insulation layer A and a groove section insulation layer B of the present invention;
FIG. 8-2 is a left side view of the assembly of a groove section insulation layer A and a groove section insulation layer B of the present invention;
FIG. 9 is an assembly isometric view of a bent section insulation layer A and a bent section insulation layer B of the present invention;
FIG. 10 is a flow chart of a method for designing a partially detachable pipe insulation layer structure according to the present invention;
FIG. 11 is a view illustrating an installation procedure of a partially disassembled and assembled pipe insulation layer structure according to the present invention;
fig. 12 is an installation schematic view showing the internal structure of the groove section insulating layer a and hiding the pipeline and the groove section insulating layer B when the groove section insulating layer a and the groove section insulating layer B are buckled between the bent pipe insulating layer and the groove section insulating layer in fig. 11;
FIG. 13 is an installation schematic diagram showing the internal structure of the groove insulation layer A, hidden pipelines and the groove insulation layer B when the groove section insulation layer A in FIG. 11 is abutted by two boss limiting blocks of the boss insulation layer A (4);
FIG. 14 is a schematic structural view of two layers of insulation installed in a partially detachable pipe insulation structure according to the present invention.
In the figure: 1-a pipeline; 2-a groove section insulating layer A; 3-a groove section heat-insulating layer B; 4-boss section insulating layer A; 5-boss section insulating layer B; 6-bent pipe section insulating layer A; 7-bent pipe section insulating layer B; 4-1 boss section heat preservation stopper.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1-2, the pipe insulation layer structure capable of being partially disassembled and assembled provided by the invention comprises a groove section insulation layer, a boss section insulation layer and a bent pipe section insulation layer, wherein the groove section insulation layer comprises a groove section insulation layer a2 and a groove section insulation layer B3, the boss section insulation layer comprises a boss section insulation layer a4 and a boss section insulation layer B5, and the bent pipe section insulation layer comprises a bent pipe section insulation layer a6 and a bent pipe section insulation layer B7.
As shown in fig. 3-1 to 3-3 and 4-1 to 4-3, boss section insulating layer a4 and boss section insulating layer B5 are both in a semicircular tile shape, boss section insulating layer a4 and boss section insulating layer B5 are assembled to form a whole circumference, N bosses are respectively arranged at two ends of the whole circumference, the bosses are in a sector arc shape, and the angles of the boss sectors of boss section insulating layer a4 and boss section insulating layer B5 are X. The distance between the boss and the inner wall of the heat insulation layer is L, and the thickness of the boss is H. The tail ends of the two bosses of the boss section heat-insulating layer A4 are provided with limit blocks 4-1, and the bosses of the boss section heat-insulating layer B5 are not provided with limit blocks. The tile-shaped section of the boss section heat-insulating layer A4 is provided with two trapezoidal convex strips, and the tile-shaped section of the boss section heat-insulating layer B5 is provided with a trapezoidal groove matched with the trapezoidal convex strips.
As shown in fig. 6-1 to 6-3 and 7-1 to 7-3, the groove section insulating layer a2 and the groove section insulating layer B3 are both semi-circular tile-shaped, the cross section of the groove section insulating layer a2 and the groove section insulating layer B3 is a whole circle after assembly, a circle of annular grooves are arranged on two end faces close to the inner wall, N convex blocks are respectively arranged on the annular grooves close to the inner wall of the insulating layer, and a groove gap is formed between each annular groove and each convex block. The convex block is in a sector arc shape, the angle of the convex block sector of the groove section heat-insulating layer A2 and the groove section heat-insulating layer B3 is X, and the thickness is equal to E. The width of a slot gap formed by the annular groove and the bump is F, and F is 0.5 mm-1 mm larger than H. The shape of the notch part is a sector arc, and the sector angle of the notch is Y.
As shown in fig. 9, the curved pipe section insulating layer a6 and the curved pipe section insulating layer B7 are both semicircular tile-shaped, the cross section of the curved pipe section insulating layer a6 and the curved pipe section insulating layer B7 is a whole circle after assembly, N bosses are respectively arranged at two ends of the whole circle, the bosses are in the shape of a sector arc, and the angle of the sector of the boss of the curved pipe section insulating layer a6 and the curved pipe section insulating layer B7 is X. The distance between the boss and the inner wall of the heat insulation layer is L, and the thickness of the boss is H.
The bosses of the bent pipe section heat-insulating layer, namely the bent pipe section heat-insulating layer A6 and the bent pipe section heat-insulating layer B7, are the same as the bosses of the boss section heat-insulating layer, namely the boss section heat-insulating layer A4 and the boss section heat-insulating layer B5 in shape and quantity.
The boss quantity of boss section heat preservation layer, boss section heat preservation layer A4 and boss section heat preservation layer B5 is the same with the inboard breach quantity of groove section heat preservation layer, namely groove section heat preservation layer A2 and groove section heat preservation layer B3.
The groove section heat preservation layer, namely the inner side gap angle Y of the groove section heat preservation layer A2 and the groove section heat preservation layer B3 is larger than the boss sector angle X of the boss section heat preservation layer, namely the boss section heat preservation layer A4 and the boss section heat preservation layer B5.
The angle X of the boss sector of the boss section heat-insulating layer A4 and the boss section heat-insulating layer B5 is smaller than 360 degrees/2N, and the angle Y of the inner side gap of the groove section heat-insulating layer A2 and the groove section heat-insulating layer B3 is 360 degrees/N-X.
In general, the number of bosses N in the boss section insulation layer should be greater than 2, and preferably N is 3 or 4. When N takes 3, the preferred fan angle X takes 50 °, when the corresponding Y is 70 °, and when N takes 4, the preferred fan angle X takes 40 °, when the corresponding Y is 50 °.
The distance L between the boss of the boss section heat-insulating layer A4 and the boss of the boss section heat-insulating layer B5 and the inner wall of the heat-insulating layer and the boss thickness H, wherein for a single-layer heat-insulating layer, H + L is 20mm, L is 10.5mm, H is 9.5mm, and E is 10 mm; for 10mm of H + L for each layer of the double-layer insulation layer, 5.5mm of L, 4.5mm of H and 5mm of E are recommended.
When a single-layer insulating layer is adopted, as shown in fig. 10, the design method of the pipe insulating layer structure capable of being locally disassembled and assembled provided by the invention specifically comprises the following steps:
s1: calculating the thickness of the heat preservation layer: the initial thickness M of the heat-insulating layer can be calculated according to the internal and external temperatures of the heat-insulating layer and the heat conductivity coefficient of the heat-insulating layer, and in order to achieve an ideal heat-insulating effect, the thickness of the heat-insulating layer adopting a single-layer heat-insulating layer is selected to be M +20 mm.
S2: pipeline segmentation: according to the length of the pipeline and the position of the heat-insulating layer required to be disassembled, the pipeline is axially cut into a plurality of sections along the pipeline.
S3: determining the pipe groove section and the boss section (left and right): and defining the divided pipeline sections as a boss section heat-insulating layer A, a boss section heat-insulating layer B, a groove section heat-insulating layer A and a groove section heat-insulating layer B in sequence. The bent pipe section heat preservation layer is divided into a bent pipe section heat preservation layer A and a bent pipe section heat preservation layer B in a left-right cutting mode, and the heat preservation layer section connected with the bent pipe section heat preservation layer must be a groove section heat preservation layer, so that the groove heat preservation layer and the boss section heat preservation layer can be defined in sequence by taking the bent pipe section heat preservation layer as a starting point.
S4: designing the number N of the bosses: the number N of bosses of the boss section heat insulation layer is designed, and N is more than 2, preferably 3 or 4.
S5: determining a boss sector angle X of the boss section heat insulation layer and an inner side gap angle Y of the groove section heat insulation layer: the boss sector angle X of the boss section heat insulation layer is designed, wherein X is smaller than 360 degrees/2N, and then the corresponding Y is 360 degrees/N-X. In particular, it is recommended that the fan angle X be 50 ° when N takes 3, and then the corresponding Y be 70 °, and that the fan angle X be 40 ° when N takes 4, and then the corresponding Y be 50 °.
S6: and determining the distance L between the boss and the inner wall of the heat-insulating layer and the boss thickness H, wherein for a single-layer heat-insulating layer, H + L is 20mm, L is 10.5mm, and H is 9.5 mm.
When a double-layer insulating layer is adopted, as shown in fig. 10, the design method of the pipe insulating layer structure capable of being locally disassembled and assembled provided by the invention specifically comprises the following steps:
s1: calculating the thickness of the heat preservation layer: the initial thickness M of the heat-insulating layer can be calculated according to the internal and external temperatures of the heat-insulating layer and the heat conductivity coefficient of the heat-insulating layer, and in order to achieve an ideal heat-insulating effect, the thickness of each layer of the double-layer heat-insulating layer is selected to be M/2+10 mm.
S2: inner layer pipeline segmentation: according to the length of the pipeline and the position of the heat-insulating layer required to be disassembled, the pipeline is axially cut into a plurality of sections along the pipeline.
S3: determining the groove section and the boss section (left and right) of the inner layer pipeline: and the pipeline sections with the split inner layers are sequentially defined as an inner boss section heat-insulating layer A, an inner boss section heat-insulating layer B, an inner groove section heat-insulating layer A and an inner groove section heat-insulating layer B. The inner-layer bent pipe section heat-insulating layer is divided into an inner-layer bent pipe section heat-insulating layer A and an inner-layer bent pipe section heat-insulating layer B in a left-right cutting mode, and the heat-insulating layer sections connected with the inner-layer bent pipe section heat-insulating layer are required to be inner-layer groove section heat-insulating layers, so that the inner-layer groove section heat-insulating layers and the inner-layer boss section heat-insulating layers can be defined in sequence by taking the inner-layer bent pipe section heat-insulating layer as a starting point.
S4: designing the number N of the bosses: the number N of bosses of the boss section heat insulation layer is designed, and N is more than 2, preferably 3 or 4.
S5: determining a boss sector angle X of the boss section heat insulation layer and an inner side gap angle Y of the groove section heat insulation layer: the boss sector angle X of the boss section heat insulation layer is designed, wherein X is smaller than 360 degrees/2N, and then the corresponding Y is 360 degrees/N-X. In particular, it is recommended that the fan angle X be 50 ° when N takes 3, and then the corresponding Y be 70 °, and that the fan angle X be 40 ° when N takes 4, and then the corresponding Y be 50 °.
S6: the distance L between the lug boss and the inner wall of the insulating layer and the lug boss thickness H are determined, and H + L of each layer of the double-layer insulating layer is 10mm, L is 5.5mm, and H is 4.5 mm.
S7: outer layer pipeline segmentation: the inner layer pipeline of installing the one deck heat preservation structure is cut into a plurality of sections along the pipeline axial, and the suggestion has certain length difference with the inner layer heat preservation for every section length difference of inside and outside heat preservation, the staggered joint installation of being convenient for reaches better heat preservation effect.
S8: determining outer layer groove section and boss section (up and down): with the outer pipeline section that the segmentation is good, define in proper order for outer boss section heat preservation A and outer boss section heat preservation B, outer groove section heat preservation A and outer groove section heat preservation B, outer curved tube section heat preservation upper and lower segmentation of outer curved tube section heat preservation is outer curved tube section heat preservation A and outer curved tube section heat preservation B, the heat preservation layer section of being connected with outer curved tube section heat preservation, must be outer groove section heat preservation, consequently can use outer curved tube section heat preservation as the starting point, define outer groove heat preservation layer section and outer boss section heat preservation in order. The staggered joint installation of the inner-layer heat-insulating layer and the outer-layer heat-insulating layer is realized by splitting the inner-layer bent pipe section heat-insulating layer from left to right and splitting the outer-layer bent pipe section heat-insulating layer from top to bottom.
S9: and (4) repeating the design process of S4-S6 on the outer-layer heat-insulating layer to complete the design of the outer-layer heat-insulating layer.
As shown in fig. 11, the method for installing a pipe insulation layer structure capable of being partially disassembled and assembled provided by the invention specifically comprises the following steps:
step 1, installing a bent pipe section heat-insulating layer
Step 1.1, mounting a boss section heat-insulating layer
Buckling a boss section insulating layer A4 and a boss section insulating layer B5 on the pipeline; the trapezoidal protrusions of the boss section insulation layer A4 and the trapezoidal grooves of the boss section insulation layer B5 are aligned and then are connected together by sliding back and forth.
Step 1.2, installing a bent pipe heat-insulating layer
And buckling the bent pipe heat-insulating layer A6 and the bent pipe heat-insulating layer B7 at the bent pipe of the pipeline.
Step 1.3, installing a groove section heat-insulating layer
Buckling a groove section heat preservation layer A2 and a groove section heat preservation layer B3 between an elbow heat preservation layer formed by an elbow heat preservation layer A6 and an elbow heat preservation layer B7 and a boss section heat preservation layer formed by a boss section heat preservation layer A4 and a boss section heat preservation layer B5, as shown in figure 12;
rotating the groove section insulating layer A2 and the groove section insulating layer B3 counterclockwise together until the groove section insulating layer A2 is resisted by a boss limiting block of the boss insulating layer A4; the groove section insulation layer is connected with the boss section insulation layer and the bent pipe insulation layer respectively, as shown in fig. 13.
Step 2.1, installing two sections of boss section heat-insulating layers
Buckling a boss section insulating layer A4 and a boss section insulating layer B5 on the pipeline; the trapezoidal protrusions of the boss section insulation layer A4 and the trapezoidal grooves of the boss section insulation layer B5 are aligned and then are connected together by sliding back and forth. And mounting two sections of boss section heat-insulating layers.
Step 2.2, installing the groove section heat-insulating layer
Buckling the groove section insulating layer A2 and the groove section insulating layer B3 between the two sections of boss section insulating layers; rotating the groove section insulating layer A2 and the groove section insulating layer B3 counterclockwise together until the groove section insulating layer A2 is resisted by a boss limiting block of the boss insulating layer A4; the groove section heat-insulating layer is respectively connected with the two sections of lug boss section heat-insulating layers.
Step 3, connecting the bent pipe section heat-insulating layer and the straight pipe section heat-insulating layer
And (3) connecting the groove section heat-insulating layer with the boss section heat-insulating layer or connecting the groove section heat-insulating layer with the bent pipe section heat-insulating layer through the step 1.3 or the step 2.2, so that the bent pipe section heat-insulating layer and the straight pipe section heat-insulating layer are connected, and the pipeline heat-insulating layer is installed.
As shown in fig. 14, the present invention further provides a method for installing a double-layer insulation layer by using a pipe insulation layer structure capable of being partially disassembled, which specifically comprises the following steps:
step 1, installing an inner-layer bent pipe section heat-insulating layer
Step 1.1, installing an inner-layer boss section heat-insulating layer
Buckling an inner boss section heat-insulating layer A4 and an inner boss section heat-insulating layer B5 on the pipeline; the trapezoidal protrusions of the inner boss section insulation layer A4 and the trapezoidal grooves of the inner boss section insulation layer B5 are aligned and then slide back and forth to be connected together.
Step 1.2, installing an inner-layer bent pipe heat-insulating layer
The inner-layer bent pipe heat-insulating layer is divided into an inner-layer bent pipe heat-insulating layer A6 and an inner-layer bent pipe heat-insulating layer B7 from left to right, and the inner-layer bent pipe heat-insulating layer A6 and the inner-layer bent pipe heat-insulating layer B7 are buckled at the bent pipe of the pipeline.
Step 1.3, installing an inner-layer groove section heat-insulating layer
Buckling an inner-layer groove section heat-insulating layer A2 and an inner-layer groove section heat-insulating layer B3 in the middle of a bent pipe heat-insulating layer formed by an inner-layer bent pipe heat-insulating layer A6 and an inner-layer bent pipe heat-insulating layer B7 and an inner-layer boss section heat-insulating layer formed by an inner-layer boss section heat-insulating layer A4 and an inner-layer boss section heat-insulating layer B5;
rotating the inner groove section heat-insulating layer A2 and the inner groove section heat-insulating layer B3 counterclockwise together until the inner groove section heat-insulating layer A3578 and the inner groove section heat-insulating layer B3 are not rotated, wherein the inner groove section heat-insulating layer A2 is propped against a boss limiting block of the inner boss heat-insulating layer A4; the inner groove section heat-insulating layer is respectively connected with the inner boss section heat-insulating layer and the inner bent pipe heat-insulating layer.
Step 2.1, installing two sections of inner layer boss section heat insulation layers
Buckling an inner boss section heat-insulating layer A4 and an inner boss section heat-insulating layer B5 on the pipeline; the trapezoidal protrusions of the inner boss section insulation layer A4 and the trapezoidal grooves of the inner boss section insulation layer B5 are aligned and then slide back and forth to be connected together. And mounting two sections of inner-layer boss section heat-insulating layers.
Step 2.2, installing an inner-layer groove section heat-insulating layer
Buckling an inner-layer groove section heat-insulating layer A2 and an inner-layer groove section heat-insulating layer B3 between two inner-layer boss section heat-insulating layers; rotating the inner groove section heat-insulating layer A2 and the inner groove section heat-insulating layer B3 counterclockwise together until the inner groove section heat-insulating layer A3578 and the inner groove section heat-insulating layer B3 are not rotated, wherein the inner groove section heat-insulating layer A2 is propped against a boss limiting block of the inner boss heat-insulating layer A4; the inner layer groove section heat insulation layer is respectively connected with the two sections of inner layer lug boss section heat insulation layers.
Step 3, connecting the inner layer bent pipe section heat-insulating layer and the inner layer straight pipe section heat-insulating layer
Through step 1.3 or step 2.2, the inner groove section heat-insulating layer is connected with the convex inner platform section heat-insulating layer, or the inner groove section heat-insulating layer is connected with the inner bent pipe section heat-insulating layer, so that the inner bent pipe section heat-insulating layer and the inner straight pipe section heat-insulating layer are connected together to complete the installation of the inner heat-insulating layer of the pipeline.
Step 4, installing an outer layer bent pipe section heat-insulating layer
Step 4.1, installing an outer-layer boss section heat-insulating layer
Buckling an outer layer boss section heat-insulating layer A4 and an outer layer boss section heat-insulating layer B5 on the pipeline; the trapezoidal protrusions of the outer layer boss section insulation layer A4 and the trapezoidal grooves of the outer layer boss section insulation layer B5 are aligned and then are connected together by sliding back and forth.
Step 4.2, installing an outer-layer bent pipe heat-insulating layer
And the outer-layer bent pipe heat-insulating layer is vertically divided into an outer-layer bent pipe heat-insulating layer A6 and an outer-layer bent pipe heat-insulating layer B7, and the outer-layer bent pipe heat-insulating layer A6 and the outer-layer bent pipe heat-insulating layer B7 are buckled at the bent pipe of the pipeline. Realize the stagger joint installation of inlayer heat preservation and skin heat preservation, reach better heat preservation effect.
Step 4.3, installing an outer layer groove section heat insulation layer
Buckling an outer layer groove section heat-insulating layer A2 and an outer layer groove section heat-insulating layer B3 between an elbow heat-insulating layer formed by an outer layer elbow heat-insulating layer A6 and an outer layer elbow heat-insulating layer B7 and an outer layer boss section heat-insulating layer formed by an outer layer boss section heat-insulating layer A4 and an outer layer boss section heat-insulating layer B5;
rotating the outer-layer groove section heat-insulating layer A2 and the outer-layer groove section heat-insulating layer B3 counterclockwise together until the outer-layer groove section heat-insulating layer A2 is resisted by a boss limiting block of the outer-layer boss heat-insulating layer A4; the outer groove section heat-insulating layer is respectively connected with the outer boss section heat-insulating layer and the outer bent pipe heat-insulating layer.
Step 5, installing an outer layer straight pipe section heat insulation layer
Step 5.1, installing two sections of outer boss section heat insulation layers
Buckling an outer layer boss section heat-insulating layer A4 and an outer layer boss section heat-insulating layer B5 on the pipeline; the trapezoidal protrusions of the outer layer boss section insulation layer A4 and the trapezoidal grooves of the outer layer boss section insulation layer B5 are aligned and then are connected together by sliding back and forth. And mounting two sections of outer-layer boss section heat-insulating layers.
Step 5.2, installing an outer layer groove section heat insulation layer
Buckling an outer layer groove section heat-insulating layer A2 and an outer layer groove section heat-insulating layer B3 between the two outer layer boss section heat-insulating layers; rotating the outer-layer groove section heat-insulating layer A2 and the outer-layer groove section heat-insulating layer B3 counterclockwise together until the outer-layer groove section heat-insulating layer A2 is resisted by a boss limiting block of the outer-layer boss heat-insulating layer A4; the outer layer groove section heat-insulating layer is respectively connected with the two outer layer lug boss section heat-insulating layers.
Step 6, connecting the outer layer bent pipe section heat-insulating layer and the outer layer straight pipe section heat-insulating layer
Through step 4.3 or step 5.2, the outer layer groove section heat-insulating layer is connected with the outer layer platform section heat-insulating layer, or the outer layer groove section heat-insulating layer is connected with the outer layer bent pipe section heat-insulating layer, so that the outer layer bent pipe section heat-insulating layer and the outer layer straight pipe section heat-insulating layer are connected, and the installation of the outer layer heat-insulating layer of the pipeline is completed.
The present invention has been described in detail with reference to the drawings and examples, but the present invention is not limited to the examples, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention. The prior art can be adopted in the content which is not described in detail in the invention.
Claims (20)
1. The utility model provides a pipeline heat preservation layer structure that can local dismouting, a serial communication port, heat preservation layer structure includes groove section heat preservation layer, boss section heat preservation layer and bend section heat preservation layer, and groove section heat preservation layer includes groove section heat preservation layer A (2) and groove section heat preservation layer B (3), and boss section heat preservation layer includes boss section heat preservation layer A (4) and boss section heat preservation layer B (5), and bend section heat preservation layer includes bend section heat preservation layer A (6) and bend section heat preservation layer B (7).
2. The pipe insulation layer structure capable of being locally disassembled and assembled according to claim 1, wherein the boss section insulation layer A (4) and the boss section insulation layer B (5) are semi-circular tile-shaped, N bosses are respectively arranged at two ends of the assembled boss section insulation layer A (4) and the assembled boss section insulation layer B (5), the two boss ends of the boss section insulation layer A (4) are provided with limiting blocks (4-1), the tile-shaped section of the boss section insulation layer A (4) is provided with trapezoidal convex strips, and the tile-shaped section of the boss section insulation layer B (5) is provided with trapezoidal grooves matched with the trapezoidal convex strips.
3. The structure of claim 2, wherein the groove section insulating layer a (2) and the groove section insulating layer B (3) are both semicircular tile-shaped, and after the groove section insulating layer a (2) and the groove section insulating layer B (3) are assembled, two end faces of the groove section insulating layer a (2) and the groove section insulating layer B (3) are provided with annular grooves near inner walls, the annular grooves are respectively provided with N convex blocks near the inner walls of the insulating layers, and the annular grooves and the convex blocks form groove gaps.
4. The structure of claim 3, wherein the bent section insulating layer A (6) and the bent section insulating layer B (7) are both semicircular tile-shaped, and N bosses are respectively arranged at two ends of the bent section insulating layer A (6) and the bent section insulating layer B (7) after assembly.
5. The structure of claim 4, wherein the bosses of the bent section insulating layer and the bosses of the boss section insulating layer have the same shape and number.
6. The partially detachable pipe insulation layer structure according to claim 4, wherein the number of the bosses of the boss section insulation layer is the same as the number of the inner side gaps of the groove section insulation layer.
7. The structure of claim 4, wherein the convex blocks of the insulating layer at the convex block section and the convex blocks of the insulating layer at the concave groove section are both in the shape of a sector arc.
8. The partially disassembled and assembled pipe insulation structure as recited in claim 7, wherein the angle of the sector of the boss section insulation is smaller than the angle of the inner gap of the groove section insulation.
9. The partially disassembled and assembled pipe insulation structure as recited in claim 8, wherein the angle of the sectors of the bosses of the boss section insulation is X, X < 360 °/2N, where N is the number of bosses of the boss section insulation.
10. The partially disassembled pipe insulation structure as recited in claim 9, wherein the angle of the inner gap of the groove section insulation is Y, which is 360 °/N-X.
11. A method of designing a partially disassembled pipe insulation structure using the partially disassembled pipe insulation structure according to claim 1, comprising the steps of:
s1: calculating the thickness of the heat preservation layer;
s2: cutting the pipeline into a plurality of sections along the axial direction of the pipeline;
s3: determining a groove section and a boss section of the pipeline, splitting the bent pipeline section of the pipeline left and right, and defining a groove section heat insulation layer and a boss section heat insulation layer in sequence by taking the bent pipeline section heat insulation layer as a starting point;
s4: designing the number N of bosses of the boss section heat insulation layer;
s5: determining a boss sector angle X of the boss section heat insulation layer and an inner side gap angle Y of the groove section heat insulation layer;
s6: and determining the distance L between the boss of the boss section heat insulation layer and the inner wall of the heat insulation layer and the boss thickness H.
12. The method of claim 11, further comprising the steps of:
s7: cutting the pipeline provided with the insulating layer structure into a plurality of sections along the axial direction of the pipeline;
s8: determining a groove section and a boss section of the outer-layer pipeline, splitting the bent section of the outer-layer pipeline up and down, and defining an insulating layer of the groove section and an insulating layer of the boss section of the outer-layer pipeline sequentially by taking the insulating layer of the bent section of the outer-layer pipeline as a starting point;
s9: and (4) repeating the design process of S4-S6 on the outer-layer heat-insulating layer to complete the design of the outer-layer heat-insulating layer.
13. A method of installing a partially disassembled pipe insulation structure using the partially disassembled pipe insulation structure according to claim 1, comprising the steps of:
step 1, installing a bent pipe section heat-insulating layer;
step 2, installing a straight pipe section heat-insulating layer;
and 3, connecting the bent pipe section heat-insulating layer and the straight pipe section heat-insulating layer.
14. The method for installing a partially disassembled pipe insulation structure as claimed in claim 13, wherein the step 1 comprises:
step 1.1, mounting a boss section heat-insulating layer;
step 1.2, installing a bent pipe heat-insulating layer;
and step 1.3, installing a groove section heat insulation layer.
15. The method of installing a partially disassembled pipe insulation structure as recited in claim 14, wherein the step 2 comprises:
step 2.1, installing two sections of boss section heat-insulating layers;
and 2.2, installing the groove section heat-insulating layer.
16. The method for installing the pipe insulation layer structure capable of being partially disassembled and assembled according to claim 15, wherein the step 3 is specifically as follows: through step 1.3 or step 2.2, the inner layer groove section heat insulation layer is connected with the convex inner layer platform section heat insulation layer, or the inner layer groove section heat insulation layer is connected with the inner layer bent pipe section heat insulation layer, so that the inner layer bent pipe section heat insulation layer is connected with the inner layer straight pipe section heat insulation layer.
17. The method of installing a partially disassembled pipe insulation structure as recited in claim 16, further comprising the steps of:
step 4, mounting an outer-layer bent pipe section heat-insulating layer;
step 5, installing an outer-layer straight pipe section heat-insulating layer;
and 6, connecting the outer layer bent pipe section heat-insulating layer and the outer layer straight pipe section heat-insulating layer.
18. The method of installing a partially disassembled pipe insulation structure as recited in claim 17, wherein the step 4 comprises:
step 4.1, mounting an outer-layer boss section heat-insulating layer;
4.2, mounting an outer-layer bent pipe heat-insulating layer;
and 4.3, mounting an outer layer groove section heat insulation layer.
19. The method of installing a partially disassembled pipe insulation structure as recited in claim 18, wherein the step 5 comprises:
step 5.1, installing two sections of outer boss section heat-insulating layers;
and 5.2, installing an outer layer groove section heat insulation layer.
20. The method for installing the pipe insulation layer structure capable of being partially disassembled and assembled according to claim 19, wherein the step 6 is specifically as follows: and 4.3 or 5.2, connecting the outer layer groove section heat-insulating layer with the outer layer platform section heat-insulating layer, or connecting the outer layer groove section heat-insulating layer with the outer layer bent pipe section heat-insulating layer, so that the outer layer bent pipe section heat-insulating layer is connected with the outer layer straight pipe section heat-insulating layer.
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| CN202111347942.3A CN114183629A (en) | 2021-11-15 | 2021-11-15 | Pipeline heat-insulating layer structure capable of being locally disassembled and assembled and design and installation method thereof |
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Cited By (1)
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