CN219954370U - Long-life micro-water energy-saving hot air valve body - Google Patents
Long-life micro-water energy-saving hot air valve body Download PDFInfo
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- CN219954370U CN219954370U CN202321589996.5U CN202321589996U CN219954370U CN 219954370 U CN219954370 U CN 219954370U CN 202321589996 U CN202321589996 U CN 202321589996U CN 219954370 U CN219954370 U CN 219954370U
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- annular water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 239000000498 cooling water Substances 0.000 claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 239000011819 refractory material Substances 0.000 claims abstract description 16
- 238000009413 insulation Methods 0.000 claims abstract description 8
- 239000010410 layer Substances 0.000 claims description 30
- 238000004873 anchoring Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 229910000963 austenitic stainless steel Inorganic materials 0.000 claims description 3
- 238000005242 forging Methods 0.000 claims description 3
- 239000012720 thermal barrier coating Substances 0.000 claims description 2
- 238000001816 cooling Methods 0.000 abstract description 6
- 238000003466 welding Methods 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 abstract description 3
- 238000004321 preservation Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 239000010959 steel Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a long-life micro-water energy-saving hot blast valve body, which relates to the technical field of iron-making blast furnace hot blast stoves and comprises a valve body, a front flange combination at the front side of the valve body, a rear flange combination at the rear side of the valve body and a vertical plate at the upper side of the valve body, wherein an outer annular water channel and an inner annular water channel are processed on the rear flange combination and the front flange combination, and the outer annular water channel and the inner annular water channel are arranged into an inner concentric ring and an outer concentric ring; the beneficial effects are that: the utility model changes the welded large water cavity structure of the traditional valve body, directly processes two ring water channels on the left flange combination and the front flange combination, preferentially strengthens cooling on the sealing surface part with large heat load, reasonably arranges the cooling water channels, and simultaneously arranges four layers of refractory materials, thereby ensuring good protection of the steel structure through good heat insulation and heat preservation performance; the welding seam quantity is reduced, the cooling water consumption is reduced, the heat taken away by the cooling water is reduced, and the service life of the valve body is prolonged.
Description
Technical Field
The utility model relates to the technical field of iron-making blast furnace hot blast stoves, in particular to a long-life micro-water energy-saving hot blast valve body.
Background
The hot blast valve is the key equipment with the worst use condition and the highest technical content in the hot blast stove system of the blast furnace, the valve body is the main part of the hot blast valve, and is directly contacted with hot blast, and bears heat convection and heat radiation for a long time, the temperature of the hot blast reaches 1200-1450 ℃, and the working condition is very bad.
The hot blast valve body used for blast furnaces in various iron works in China mostly adopts a welded large water cavity structure, the welding lines are more, the welding lines are easy to fatigue crack and leak due to the action of heated alternating stress in use, the valve body is damaged, the blast furnace has to stop producing damping down, the hot blast valve is replaced, the blast furnace is directly affected to move forward, the economic benefit is affected, meanwhile, the large water cavity structure valve body consumes large amount of cooling water, and the cooling water takes away a large amount of heat to cause energy waste, the energy-saving and environment-friendly requirements cannot be met, the micro-water energy-saving hot blast valve disclosed in the patent (ZL 200510119730.4) has a certain effect in terms of water saving, but the left flange water channel and the right flange water channel are a ring water channel, the cooling strength is insufficient, the refractory material layer is three-layer refractory material, the heat insulation effect is to be improved, and the service life of the valve body has an extension space, so that the hot blast valve body is urgently necessary to be developed.
Disclosure of Invention
The utility model aims to solve the problems and provide the long-life micro-water energy-saving hot air valve body, which adopts an advanced multi-layer refractory material technology, reduces the weld joint amount of a valve plate, reduces the water consumption of the valve body and reduces the heat loss by improving the internal water cooling efficiency of the valve body, thereby prolonging the service life of the valve body and saving energy.
The utility model realizes the above purpose through the following technical scheme:
the long-life micro-water energy-saving hot blast valve body comprises a valve body, a front flange combination at the front side of the valve body, a rear flange combination at the rear side of the valve body and a vertical plate at the upper side of the valve body, wherein an outer annular water channel and an inner annular water channel are processed on the rear flange combination and the front flange combination, and the outer annular water channel and the inner annular water channel are arranged into an inner concentric ring and an outer concentric ring; the upper part of the outer annular water channel is provided with a first water stop plate, the left side and the right side of the outer annular water channel corresponding to the first water stop plate are respectively provided with a first connecting water channel and a second connecting water channel, the first connecting water channel is in sealing connection with a water outlet pipe fixedly arranged on the vertical plate, and the second connecting water channel is in sealing connection with a water inlet pipe fixedly arranged on the vertical plate; the first connecting water channel is arranged between the second connecting water channel and the inner annular water channel, the second water stop plate is arranged on one side of the outer annular water channel, which is far away from the first water stop plate, corresponding to the first connecting water channel, the second connecting water channel which is communicated with the inner annular water channel is arranged on one side of the outer annular water channel, which is far away from the first water stop plate, corresponding to the second water stop plate, and the third water stop plate is arranged on the inner annular water channel, which is corresponding to the position between the first connecting water channel and the second connecting water channel.
Preferably: the inner annular water channel is welded with a contact ring to form a sealing surface cooling water channel with a closed surface, and the surface of the contact ring is used as a sealing surface after being processed; and the outer annular water channel is welded by adopting a water channel cover plate to form an outer annular water channel with a closed surface.
Preferably: and the outer surfaces of the rest parts except the sealing surface of the contact ring inside the rear flange combination and the front flange combination are provided with refractory material layers.
Preferably: the contact ring adopts an integral forging piece, and the whole circumference is not connected.
Preferably: and anchoring parts are arranged in the inner cavities of the rear flange combination and the front flange combination, austenitic stainless steel is selected as a material, and the anchoring parts are embedded in the refractory material layer.
Preferably: the refractory material layer is a plurality of layers, and is sequentially provided with a thermal barrier coating layer, a heavy castable layer, a light castable layer and a heat insulation felt layer from outside to inside.
Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the welded large water cavity structure of the traditional valve body is changed, two rings of water channels are directly processed on the left flange combination and the front flange combination, finite element analysis is carried out by adopting ANSYS software, a brand new water channel circulation structure is designed, the sealing surface part with large heat load is subjected to preferential reinforced cooling, the cooling water channels are reasonably arranged, and meanwhile, four layers of refractory materials are arranged, so that good protection is provided for the steel structure through good heat insulation and heat preservation properties; the welding seam quantity is reduced, the cooling water consumption is reduced by only 25% -28% of that of the traditional valve body, the heat taken away by the cooling water is reduced, and the service life of the valve body is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of a valve body of a long-life micro-water energy-saving hot blast valve.
FIG. 2 is a cross-sectional view A-A of a valve body of the long-life micro-water energy-saving hot blast valve according to the utility model.
FIG. 3 is a schematic diagram of a part of the structure of a valve body of the long-life micro-water energy-saving hot blast valve.
The reference numerals are explained as follows:
1. a water outlet pipe; 2. an outer annular water channel; 3. a first connecting waterway; 4. a first water-stop plate; 5. the second connecting water channel; 6. a first communicating water channel; 7. a second water-stop plate; 8. a third water-stop plate; 9. a second communicating waterway; 10. an inner annular water channel; 11. a rear flange combination; 12. a vertical plate; 13. a waterway cover plate; 14. a contact ring; 15. a water inlet pipe; 16. and a front flange combination.
Description of the embodiments
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model, and furthermore, the terms "first", "second", etc. are used for descriptive purposes only and should not be construed to indicate or imply relative importance or implying a number of the indicated technical features, whereby the features defining "first", "second", etc. may explicitly or implicitly include one or more of such features.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or by communication between two elements, the specific meaning of the terms in the present disclosure will be understood by those skilled in the art in view of the specific circumstances.
The utility model is further described below with reference to the accompanying drawings:
as shown in fig. 1-3, the long-life micro-water energy-saving hot blast valve body comprises a valve body, a front flange combination 16 at the front side of the valve body, a rear flange combination 11 at the rear side of the valve body and a vertical plate 12 at the upper side of the valve body, wherein an outer annular water channel 2 and an inner annular water channel 10 are processed on the rear flange combination 11 and the front flange combination 16, two annular water channels are directly processed on the left flange combination and the right flange combination, finite element analysis is carried out by adopting ANSYS software, a brand-new water channel circulation structure is designed, the sealing surface position with high heat load is subjected to preferential reinforcement cooling, a cooling water channel is reasonably arranged, and the outer annular water channel 2 and the inner annular water channel 10 are arranged into an inner concentric ring and an outer concentric ring; the upper part of the outer annular water channel 2 is provided with a first water stop plate 4, the left side and the right side of the outer annular water channel 2 corresponding to the first water stop plate 4 are respectively provided with a first connecting water channel 3 and a second connecting water channel 5, the first connecting water channel 3 is in sealing connection with a water outlet pipe 1 fixedly arranged on a vertical plate 12, and the second connecting water channel 5 is in sealing connection with a water inlet pipe 15 fixedly arranged on the vertical plate 12; a first water-stop channel 6 is arranged between the second connecting water channel 5 and the inner annular water channel 10, a second water-stop plate 7 is blocked at one side of the outer annular water channel 2, which is far away from the first water-stop plate 4, corresponding to the first connecting water channel 3, a second water-stop channel 9 which is communicated with the inner annular water channel 10 is arranged at one side of the outer annular water channel 2, which is far away from the first water-stop plate 4, corresponding to the second water-stop plate 7, a third water-stop plate 8 is blocked at a position between the inner annular water channel 10, which is corresponding to the first water-stop channel 6 and the second water-stop channel 9, and the first water-stop plate 4, the second water-stop plate 7 and the third water-stop plate 8 are respectively used for blocking water flow to change the water channel flow direction; the contact ring 14 is welded on the inner annular water channel 10 to form a sealing surface cooling water channel with a closed surface, and the surface of the contact ring 14 is processed to be used as a sealing surface; the outer annular water channel 2 is sealed and welded by a water channel cover plate 13 to form an outer annular water channel 2 with a closed surface; the outer surfaces of the rest parts except the sealing surface of the contact ring 14 inside the rear flange combination 11 and the front flange combination 16 are provided with refractory material layers; the contact ring 14 adopts an integral forging piece, the whole circumference is free of joints, the welding seam amount is reduced, the cooling water consumption is reduced by only 25% -28% of that of a traditional valve body, the heat taken away by the cooling water is reduced, and the service life of the valve body is prolonged; anchoring pieces are arranged in the inner cavities of the rear flange combination 11 and the front flange combination 16, austenitic stainless steel is selected as a material, and the anchoring pieces are embedded in the refractory material layer; the refractory material layers are a plurality of layers, and the heat barrier coating layer, the heavy casting material layer, the light casting material layer and the heat insulation felt layer are sequentially arranged from outside to inside, so that the four layers of refractory materials have good heat insulation performance.
Working principle: when the cooling water circulating device is used, cooling water enters the inner annular water channel 10 from the water inlet pipe 15 through the second connecting water channel 5 and the first connecting water channel 6, is blocked in the inner annular water channel 10 through the third water stop plate 8, enters the inner annular water channel 10 from the second connecting channel 6 in a circle, circulates in the outer annular water channel 2, and flows out through the first connecting water channel 3 and the water outlet pipe 1; the cooling water circulation mode of the other side is also the same, the double-layer water channel circulation structure is used for preferentially and intensively cooling the sealing surface part with large heat load, the cooling water channels are reasonably arranged, and meanwhile, four layers of refractory materials are arranged, so that good heat insulation and heat preservation performances are achieved, and the steel structure is well protected. The implementation of the utility model reduces the welding seam quantity, reduces the cooling water consumption by only 25% -28% of the traditional valve body, reduces the heat taken away by the cooling water, and prolongs the service life of the valve body.
The rear flange assembly 11, the vertical plate 12, the water channel cover 13, the contact ring 14 and the front flange assembly 16 are all common standard components or components known to those skilled in the art, and the structure and principle thereof are known by those skilled in the art through technical manuals or through routine experimental methods, so that no excessive description is made here.
While there have been shown and described what are at present considered to be fundamental principles, main features and advantages of the present utility model, it will be understood by those skilled in the art that the present utility model is not limited to the foregoing embodiments, but rather, the foregoing embodiments and description illustrate only the principles of the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (6)
1. The utility model provides a long service life little water energy-saving hot blast valve body, includes valve body, the preceding flange combination (16) of valve body front side, the back flange combination (11) of valve body rear side, riser (12) of valve body upside, its characterized in that: an outer annular water channel (2) and an inner annular water channel (10) are processed on the rear flange combination (11) and the front flange combination (16), and the outer annular water channel (2) and the inner annular water channel (10) are arranged into an inner concentric ring and an outer concentric ring; the upper part of the outer annular water channel (2) is provided with a first water stop plate (4), the left side and the right side of the outer annular water channel (2) corresponding to the first water stop plate (4) are respectively provided with a first connecting water channel (3) and a second connecting water channel (5), the first connecting water channel (3) is in sealing connection with a water outlet pipe (1) fixedly installed on the vertical plate (12), and the second connecting water channel (5) is in sealing connection with a water inlet pipe (15) fixedly installed on the vertical plate (12); first intercommunication water course (6) have been seted up between second connection water course (5) with inlayer annular water course (10), correspond in outer annular water course (2) first connection water course (3) are kept away from first riser (4) one side is stifled to be equipped with second riser (7), correspond in outer annular water course (2) second riser (7) are kept away from first riser (4) one side seted up with second intercommunication water course (9) that inlayer annular water course (10) are linked together, correspond in inlayer annular water course (10) first intercommunication water course (6) with position between second intercommunication water course (9) is stifled to be equipped with third riser (8).
2. The long life micro water energy saving hot blast valve body according to claim 1, wherein: a contact ring (14) is welded on the inner annular water channel (10) to form a sealing surface cooling water channel with a closed surface, and the surface of the contact ring (14) is processed to be used as a sealing surface; the outer annular water channel (2) is sealed and welded by a water channel cover plate (13) to form the outer annular water channel (2) with the surface closed.
3. The long life micro water energy saving hot blast valve body according to claim 2, characterized in that: the outer surfaces of the rest parts except the sealing surface of the contact ring (14) inside the rear flange combination (11) and the front flange combination (16) are respectively provided with a refractory material layer.
4. The long life micro water energy saving hot blast valve body according to claim 2, characterized in that: the contact ring (14) adopts an integral forging piece, and the whole circumference is free of joints.
5. A long life micro water energy saving hot blast valve body according to claim 3, characterized in that: and anchoring parts are arranged in the inner cavities of the rear flange combination (11) and the front flange combination (16), the material is austenitic stainless steel, and the anchoring parts are embedded in the refractory material layer.
6. A long life micro water energy saving hot blast valve body according to claim 3, characterized in that: the refractory material layer is a plurality of layers, and is sequentially provided with a thermal barrier coating layer, a heavy castable layer, a light castable layer and a heat insulation felt layer from outside to inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321589996.5U CN219954370U (en) | 2023-06-21 | 2023-06-21 | Long-life micro-water energy-saving hot air valve body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321589996.5U CN219954370U (en) | 2023-06-21 | 2023-06-21 | Long-life micro-water energy-saving hot air valve body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219954370U true CN219954370U (en) | 2023-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321589996.5U Active CN219954370U (en) | 2023-06-21 | 2023-06-21 | Long-life micro-water energy-saving hot air valve body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219954370U (en) |
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2023
- 2023-06-21 CN CN202321589996.5U patent/CN219954370U/en active Active
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