CN217464891U - Atmospheric primary heat exchange unit and heat supply system of gas condensing boiler - Google Patents
Atmospheric primary heat exchange unit and heat supply system of gas condensing boiler Download PDFInfo
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- CN217464891U CN217464891U CN202220697161.0U CN202220697161U CN217464891U CN 217464891 U CN217464891 U CN 217464891U CN 202220697161 U CN202220697161 U CN 202220697161U CN 217464891 U CN217464891 U CN 217464891U
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Abstract
The utility model relates to a heat exchanger unit and heating system once of gas condensation boiler ordinary pressure, heat exchanger unit once of gas condensation boiler ordinary pressure include expansion tank, circulating water pump and plate heat exchanger, still include water tank base and lower part feeder pillar, expansion tank fixed mounting is in on the water tank base, the water tank base with the lower part feeder pillar is through the grafting structural connection, plate heat exchanger fixes on the lower part feeder pillar. The utility model discloses a heat exchanger unit of gas condensation boiler ordinary pressure has the convenient advantage of equipment through the plug-in connection between the water tank base that sets up and the lower part feeder pillar.
Description
Technical Field
The utility model belongs to ordinary pressure gas condensation falls to the ground the boiler field, concretely relates to heat exchanger group of gas condensation boiler ordinary pressure still relates to a heating system.
Background
The system for supplying heat to the normal-pressure gas condensing boiler is generally designed to be an indirect heat supply system, a primary system and a secondary system of the boiler are isolated by a heat exchanger, the primary system adopts an open system form, and a high-level expansion water tank is adopted for constant pressure of the primary system. With the rising of the configuration form of a primary system of one furnace and one pump, various technical problems and operation faults occur in the operation of the installation of an indirect heating system, particularly the installation of a plurality of parallel heating systems, such as the evacuation of a water pump, the overflow of a high-level expansion water tank and the like.
In addition, due to the reasons of insufficient height of the high-level expansion water tank frame, unreasonable type selection of the primary water pump and the like, equipment faults such as cavitation of the water pump and the like occur after a primary system operates for a plurality of times, and the high-level expansion water tank frame is also an important reason for performing primary equipment type selection and installation standardization.
The modular heat exchanger unit is provided in the prior art, the structure of a primary system can be optimized, and some technical problems are solved. This type of heat exchanger unit mainly includes expansion tank, circulating water pump, plate heat exchanger and support, and wherein, plate heat exchanger sets up the lower floor at the support, and expansion tank fixes the upper strata at the support, but present support is monolithic structure, consequently at the in-process of transportation, need occupy great space, in addition, when needs pass through the less places in spaces such as door opening or elevator in the transportation, probably appear because the structure of support is great and the condition that can't pass through smoothly.
SUMMERY OF THE UTILITY MODEL
In order to solve the whole or partial problem, the utility model aims to provide a heat exchanger group and heating system once of gas condensation boiler ordinary pressure to divide into water tank base and lower part support two parts through the support with heat exchanger group, can make things convenient for the transportation to heat exchanger group.
The utility model provides a heat exchanger unit of gas condensing boiler ordinary pressure, including expansion tank, circulating water pump and plate heat exchanger, still include water tank base and lower part feeder pillar, expansion tank fixed mounting be in on the water tank base, the water tank base with the lower part feeder pillar passes through grafting structural connection, plate heat exchanger fixes on the lower part feeder pillar.
Furthermore, the water tank base comprises a plurality of first supporting columns, every two adjacent first supporting columns are connected through a first cross beam, and the expansion water tank is fixedly installed on the first supporting columns or the first cross beams.
Furthermore, the lower part of the support comprises a plurality of second support columns, every two adjacent second support columns are connected through a second cross beam, and the first support columns and the second support columns are arranged correspondingly.
Furthermore, the inserting structure comprises an inserting column and an inserting groove, the inserting column is matched with the inserting groove, the inserting column is fixedly connected to the lower end of the first supporting column, and the inserting groove is formed in the upper end of the corresponding second supporting column.
Furthermore, the inserting structure comprises an inserting column and an inserting groove, the inserting column and the inserting groove are matched with each other, the inserting column is fixedly connected to the upper end of the second supporting column, and the inserting groove is formed in the lower end of the corresponding first supporting column.
Furthermore, the lower ends of the second support columns are fixedly connected with a main frame, and the plate heat exchanger is fixed on the main frame.
Furthermore, the lower extreme of expansion tank is connected with water pipe one, after converging with the outlet pipe of boiler, water pipe one through the pipeline with circulating water pump's water inlet is connected, circulating water pump's delivery port is connected with one of them connecting hole of plate heat exchanger one side through once side inlet tube, another connecting hole of plate heat exchanger one side through once side outlet pipe with the boiler is connected, one of them connecting hole and the secondary side of plate heat exchanger secondary side advance water piping connection, another connecting hole and the secondary side of plate heat exchanger secondary side go out water piping connection.
Furthermore, the first water pipe comprises two sections, and the two sections are connected through a connecting flange.
Furthermore, an overflow port is formed in the upper end of the expansion water tank, and the overflow port is connected with a water outlet pipe of the boiler through an overflow pipe.
Furthermore, one side of the expansion water tank is connected with a liquid level meter.
Furthermore, the lower end of the main frame is connected with a caster.
The utility model discloses another aspect provides a heating system, including ordinary pressure gas condensation boiler, still include above arbitrary the heat exchanger group of gas condensation boiler ordinary pressure, heat exchanger group of gas condensation boiler ordinary pressure through once inclining the inlet tube, once incline the outlet pipe with ordinary pressure gas condensation boiler connects.
According to the above technical scheme, the utility model provides a heat exchanger unit and heating system once of gas condensing boiler ordinary pressure has following beneficial effect:
the utility model divides the support in the prior art into the water tank base and the lower part support, which can reduce the height of the support and facilitate the support to pass through the door opening or the elevator and other places with smaller space;
the utility model discloses a through the plug-in connection between water tank base and the lower part feeder pillar, have the convenient advantage of equipment.
The utility model discloses can adapt to the differentiation installation of all kinds of systems, operation demand, effective performance ordinary pressure condensation gas boiler's high thermal efficiency's advantage, reduction system operation trouble.
Drawings
Fig. 1 is a schematic structural view of a gas condensing boiler normal-pressure primary heat exchanger unit according to an embodiment of the present invention;
fig. 2 is a schematic view of a water tank base and a lower sub-frame according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of the gas condensing boiler after the atmospheric primary heat exchanger unit is installed according to the embodiment of the present invention;
fig. 4 is a schematic structural diagram of a heating system according to an embodiment of the present invention.
The reference numbers in the figures are: the device comprises a primary side water inlet pipe 1, a primary side water outlet pipe 2, a secondary side water outlet pipe 3, a secondary side water inlet pipe 4, an expansion water tank 5, an overflow pipe 6, a water tank base 7, a first support column 71, a first cross beam 72, a circulating water pump 8, a lower part support 9, a second support column 91, a second cross beam 92, a caster 10, a main frame 11, a first water pipe 12, an insertion column 13, an insertion groove 14, a connecting flange 15 and a plate type heat exchanger 16;
the normal-pressure primary heat exchange unit 100 of the gas condensing boiler and the normal-pressure gas condensing boiler 200.
Detailed Description
For better understanding, the purpose, structure and function of the present invention are described in detail with reference to the accompanying drawings below.
As shown in fig. 1, it shows that the utility model discloses a heat exchanger unit of gas condensing boiler ordinary pressure, including expansion tank 5, circulating water pump 8, plate heat exchanger 16, water tank base 7 and lower part support 9, wherein, expansion tank 5 fixed mounting is on water tank base 7, and water tank base 7 is pegged graft on lower part support 9 through grafting structure, and plate heat exchanger 16 fixes on lower part support 9. The water tank base 7 and the lower part branch frame 9 have the advantage of convenient connection through the plug-in connection, and compared with the whole support, the height is reduced, and the water tank base has the advantage of convenient transportation.
Wherein, the plate heat exchanger 16 of this embodiment has a primary side and a secondary side, the primary side of the plate heat exchanger 16 refers to a side of the plate heat exchanger 16 connected to the boiler, the primary side of the plate heat exchanger 16 has two connection holes for supplying water to the plate heat exchanger 16 and the outflow plate heat exchanger 16, the secondary side of the plate heat exchanger 16 refers to a side of the plate heat exchanger 16 connected to the user water pipe, the secondary side of the plate heat exchanger 16 also has two connection holes, wherein, one of the connection holes on the primary side of the plate heat exchanger 16 is connected to the water outlet of the circulating water pump 8 through the primary side water inlet pipe 1, the water inlet of the circulating water pump 8 is connected to the pipe after the water pipe one 12 is merged with the water outlet pipe of the boiler, the water pipe one 12, the water outlet pipe of the boiler and the merged pipe are connected through a three-way pipe, the other connection hole on the primary side of the plate heat exchanger 16 is connected to the boiler through the primary side water outlet pipe 2, one connecting hole on the secondary side of the plate type heat exchanger 16 is connected with a secondary side water inlet pipe 4 of the plate type heat exchanger 16, the other connecting hole on the secondary side of the plate type heat exchanger 16 is connected with a secondary side water outlet pipe 3 of the plate type heat exchanger 16, the secondary side water inlet pipe 4 is connected with a water return pipe of a heat supply system of a user, and the secondary side water outlet pipe 3 is connected with a water supply pipe of the heat supply system of the user; one end of the first water pipe 12 is connected with a connecting port of the three-way pipe, and the other end of the first water pipe 12 is connected with the lower end of the expansion water tank 5. In concrete use, the hot water of boiler passes through circulating water pump 8 and the primary side of the inlet tube 1 entering plate heat exchanger 16 that once inclines, the circulating water that the user needs to heat gets into plate heat exchanger 16's secondary side through secondary side inlet tube 4, hot water and circulating water form boiler return water and hot circulating water after carrying out the heat exchange, hot circulating water flows into user's hot-water line convenience of customers through secondary side outlet pipe 3 and uses, the boiler return water then gets into the boiler through the outlet tube 2 that once inclines, can realize under the condition of keeping apart boiler water and user heating system circulating water through plate heat exchanger 16, realize the heating to the circulating water, thereby avoid the circulating water to be polluted.
In one embodiment, the circulating water pump 8 adopts a medium cooling type shield pump, which has low requirement on the pressure of the water pump inlet and is matched with the reasonably designed high-level expansion water tank rack mounting height, so that the phenomena of water pump cavitation and individual water pump evacuation are fundamentally avoided.
The water tank base 7 of the embodiment includes a plurality of first support columns 71, and when the first support columns 71 are specifically arranged, the first support columns 71 can be more than 3, two adjacent first support columns 71 are connected through first cross beams 72, when the upper ends of all first cross beams 72 are flush with the upper ends of the first support columns 71, the expansion water tank 5 can be fixedly connected to the first support columns 71 or the first cross beams 72, and when the upper ends of all first cross beams 72 are lower than the upper ends of the first support columns 71, the expansion water tank 5 is fixedly connected to the first support columns 71.
On the basis of the above embodiment, the lower part support 9 comprises a plurality of second support columns 91, and two adjacent second support columns 91 are connected through second cross beams 92, so that the structure of the lower part support 9 is firmer.
In a specific embodiment, as shown in fig. 2, the insertion column 13 is fixedly connected to the lower end of the first support column 71, the insertion groove 14 is formed in the upper end of the corresponding second support column 91, the number of the insertion columns 13 is more than one, the number of the insertion grooves 14 corresponds to the number of the insertion columns 13, the current situation of the insertion columns 13 is circular or cylindrical, and the like, and the shape of the insertion groove 14 corresponds to the shape of the insertion column 13; in addition, as an alternative, the inserting column 13 may be fixedly connected to the upper end of the second support column 91, and the inserting groove 14 is formed at the lower end of the corresponding first support column 71, so that the inserting connection between the first support column 71 and the second support column 91 can be realized in both the two setting modes.
In order to be matched with the inserting structure between the water tank base 7 and the lower part support 9, the first water pipe 12 of the embodiment comprises two sections, the first upper water pipe 12 is connected with the bottom of the expansion water tank 5, the first lower water pipe 12 is connected with the three-way pipe, the length of the first upper water pipe 12 is approximately equal to that of the first support column 71, and the other two first water pipes 12 are connected through the connecting flange 15.
Wherein, on the basis of above-mentioned embodiment, the lower extreme fixedly connected with main frame 11 of two 91 pillars, the setting of main frame 11 can make things convenient for plate heat exchanger 16 fixed and installation, pass through connecting pieces such as bolt with plate heat exchanger 16 and fix on main frame 11 can, because plate heat exchanger 16 and the weight of lower part support 9 are heavier, consequently, the lower extreme of main frame 11 is connected with truckle 10, thereby can conveniently promote the motion of lower part support 9 and plate heat exchanger 16 through truckle 10, truckle 10 is the structure among the prior art, can directly purchase from the market.
On the basis of the embodiment, the upper end of the expansion water tank 5 is provided with an overflow port, the overflow port is connected with a water outlet pipe of the boiler through an overflow pipe 6, and the overflow port can play an overflow role when the water level in the expansion water tank 5 is high, so that the water in the expansion water tank 5 overflows to the water outlet pipe of the boiler; one side of expansion tank 5 is connected with the level gauge, can be convenient for observe the liquid level condition in expansion tank 5 through the level gauge.
In order to facilitate understanding of the purpose of the atmospheric primary heat exchanger unit of the gas condensing boiler of the present embodiment, the present embodiment will be described in detail below.
The gas condensing boiler normal pressure primary heat exchange unit of this embodiment includes two parts: the first part is the expansion water tank 5 and the water tank base 7, and the second part is the lower part support 9, the plate heat exchanger 16 and the main frame 11; the heat exchanger unit is divided into two parts, and can be directly transported to an installation position through a forklift, and the two parts are assembled after unpacking; fig. 3 is a schematic diagram of a specific installation of this embodiment, wherein the height of the first portion is 600mm +480mm, that is, 1080mm, and the total height of the unit is 2796mm, so the height of the second portion is 1716mm, when transporting the two portions separately, the method can be widely applied to various new buildings and reconstruction and expansion building door opening sizes, thereby facilitating the transportation of the unit, and if the transportation space height reaches 2800mm or more, the first portion can be transported integrally after being assembled on the second portion, which has the advantage of convenient transportation.
As shown in fig. 4, in this embodiment, a heating system is further provided, which includes an atmospheric gas condensing boiler 200, and further includes the atmospheric primary heat exchanger unit 100 of the gas condensing boiler described in the above embodiments, where the atmospheric primary heat exchanger unit 100 of the gas condensing boiler is connected to the atmospheric gas condensing boiler 200 through a primary water inlet pipe 1 and a primary water outlet pipe 2.
If a user needs to set a plurality of groups of heating systems, the plurality of groups of heating systems are connected in parallel.
The heating system in the embodiment expands a 'one-furnace one-pump' system in the prior art into a 'one-furnace one-pump one-water-tank one-plate-exchange' mode, and standardizes a primary system of the normal-pressure condensation gas-fired boiler, so that the overflow phenomenon of the high-level expansion water tank when a plurality of boilers supply heat in parallel is effectively avoided.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
Furthermore, the terms "a", "an", "two", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present invention is not limited to the particular embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.
Claims (10)
1. The normal-pressure primary heat exchange unit of the gas condensing boiler comprises an expansion water tank, a circulating water pump and a plate heat exchanger and is characterized by further comprising a water tank base and a lower branch frame, wherein the expansion water tank is fixedly installed on the water tank base, the water tank base is connected with the lower branch frame through a plug-in structure, and the plate heat exchanger is fixed on the lower branch frame.
2. The atmospheric-pressure primary heat exchange unit for the gas-fired condensing boiler as claimed in claim 1, wherein the base of the water tank comprises a plurality of first struts, two adjacent first struts are connected through a first cross beam, and the expansion tank is fixedly mounted on the first struts or the first cross beams.
3. The atmospheric-pressure primary heat exchanger unit of the gas-fired condensing boiler according to claim 2, wherein the lower sub-frame comprises a plurality of second pillars, two adjacent second pillars are connected through a second cross beam, and the first pillars and the second pillars are arranged correspondingly.
4. The atmospheric-pressure primary heat exchanger unit of the gas condensing boiler as claimed in claim 3, wherein the plug structure comprises a plug column and a plug groove, the plug column and the plug groove are matched with each other, the plug column is fixedly connected to the lower end of the first support column, and the plug groove is formed in the upper end of the corresponding second support column.
5. The atmospheric-pressure primary heat exchanger unit of the gas condensing boiler as claimed in claim 3, wherein the plug structure comprises a plug column and a plug groove, the plug column and the plug groove are matched with each other, the plug column is fixedly connected to the upper end of the second support column, and the plug groove is formed in the lower end of the corresponding first support column.
6. The atmospheric-pressure primary heat exchange unit for the gas-fired condensing boiler as claimed in claim 4 or 5, wherein the lower end of the second support column is fixedly connected with a main frame, and the plate heat exchanger is fixed on the main frame.
7. The atmospheric-pressure primary heat exchange unit of the gas-fired condensing boiler as recited in claim 6, wherein a first water pipe is connected to a lower end of the expansion tank, the first water pipe is merged with a water outlet pipe of the boiler and then connected to a water inlet of the circulating water pump through a pipeline, a water outlet of the circulating water pump is connected to one of the connecting holes on the primary side of the plate heat exchanger through a primary-side water inlet pipe, the other connecting hole on the primary side of the plate heat exchanger is connected to the boiler through a primary-side water outlet pipe, one of the connecting holes on the secondary side of the plate heat exchanger is connected to a secondary-side water inlet pipe, and the other connecting hole on the secondary side of the plate heat exchanger is connected to a secondary-side water outlet pipe.
8. The atmospheric-pressure primary heat exchanger unit of the gas-fired condensing boiler as claimed in claim 7, wherein the first water pipe comprises two sections, and the two sections are connected through a connecting flange.
9. The atmospheric-pressure primary heat exchange unit for the gas-fired condensing boiler as claimed in claim 8, wherein an overflow port is formed at the upper end of the expansion water tank, and the overflow port is connected with a water outlet pipe of the boiler through an overflow pipe;
one side of the expansion water tank is connected with a liquid level meter, and the lower end of the main frame is connected with a trundle;
the circulating water pump adopts a canned motor pump.
10. A heating system comprises an atmospheric gas condensation boiler and is characterized by further comprising the atmospheric gas condensation boiler primary heat exchange unit as claimed in any one of claims 1 to 9, wherein the atmospheric gas condensation boiler primary heat exchange unit is connected with the atmospheric gas condensation boiler through a primary side water inlet pipe and a primary side water outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220697161.0U CN217464891U (en) | 2022-03-28 | 2022-03-28 | Atmospheric primary heat exchange unit and heat supply system of gas condensing boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220697161.0U CN217464891U (en) | 2022-03-28 | 2022-03-28 | Atmospheric primary heat exchange unit and heat supply system of gas condensing boiler |
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| Publication Number | Publication Date |
|---|---|
| CN217464891U true CN217464891U (en) | 2022-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220697161.0U Active CN217464891U (en) | 2022-03-28 | 2022-03-28 | Atmospheric primary heat exchange unit and heat supply system of gas condensing boiler |
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| CN (1) | CN217464891U (en) |
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- 2022-03-28 CN CN202220697161.0U patent/CN217464891U/en active Active
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221230 Address after: No. 2000, Guangqiu Road, Jiaxing Economic and Technological Development Zone, Zhejiang 314001 Patentee after: Xiderri heating and cooling equipment Co.,Ltd. Address before: 314001 floor 3, office building, No. 2000, guangqiong Road, Jiaxing Economic and Technological Development Zone, Zhejiang Province Patentee before: Xidrui thermal energy technology (Zhejiang) Co.,Ltd. |
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| TR01 | Transfer of patent right |