CN221173017U - Upper tube plate, upper tube plate assembly and high-temperature gasifying agent preheater - Google Patents
Upper tube plate, upper tube plate assembly and high-temperature gasifying agent preheater Download PDFInfo
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- CN221173017U CN221173017U CN202323182988.1U CN202323182988U CN221173017U CN 221173017 U CN221173017 U CN 221173017U CN 202323182988 U CN202323182988 U CN 202323182988U CN 221173017 U CN221173017 U CN 221173017U
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- 238000001816 cooling Methods 0.000 claims abstract description 163
- 238000005192 partition Methods 0.000 claims description 23
- 238000009413 insulation Methods 0.000 claims description 8
- 238000002309 gasification Methods 0.000 claims description 6
- 239000007789 gas Substances 0.000 abstract description 37
- 239000003795 chemical substances by application Substances 0.000 abstract description 29
- 239000002918 waste heat Substances 0.000 abstract description 7
- 239000003245 coal Substances 0.000 abstract description 4
- 239000003034 coal gas Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses an upper tube plate, an upper tube plate assembly and a high-temperature gasifying agent preheater, and belongs to the technical field of high-temperature preheater equipment. The upper tube plate comprises a conduction region and a non-conduction region, wherein a plurality of high-temperature gas through holes are formed in the conduction region, and a plurality of cooling air through holes are formed in the conduction region, so that cooling air can be conducted to two sides of the upper tube plate, and the upper tube plate is cooled bilaterally; an upper tube plate assembly, wherein both sides of the upper tube plate are respectively provided with an upper cooling air channel and a lower cooling air channel, so that the upper tube plate can be cooled at both sides; the high temperature gasifying agent preheater has reduced the influence of high temperature on the tube plate to raise the preheating temperature of gasifying agent, raised heat value of gas, reduced coal consumption and waste heat utilization investment, and obvious economic benefit.
Description
Technical Field
The utility model relates to the technical field of high-temperature preheater equipment, in particular to an upper tube plate, an upper tube plate assembly and a high-temperature gasifying agent preheater.
Background
The high-temperature gasifying agent preheater is one of core equipment in a circulating fluidized bed gasification system, utilizes the waste heat of high-temperature coal gas to heat the gasifying agent (air and steam) entering the gasification furnace for reaction, is a waste heat utilization heat exchanger equipment, and the more the waste heat is utilized, the higher the heating temperature of the gasifying agent is, the higher the coal consumption of the gasification furnace and the heat value of the coal gas generated by the reaction are, the more energy-saving and economical the more economical the heating value of the gasification furnace coal gas is, and according to empirical data, the temperature of the gasifying agent is increased by about 25kcal every 50 ℃.
The basic structure of the high-temperature gasifying agent preheater is similar to that of a shell-and-tube heat exchanger, a gas passes through a tube pass, a gasifying agent passes through a shell pass, countercurrent heat exchange is adopted to realize the highest heat exchange efficiency, high-temperature gas at about 900 ℃ enters an upper tube box of the gasifying agent preheater, enters the tube pass of the heat exchanger from top to bottom, exchanges heat with an air and steam mixture from bottom to top in the shell pass, the high-temperature gas and the high-temperature gasifying agent subjected to heat exchange are respectively arranged on two sides of an upper tube plate of the heat exchanger, and are limited by the materials and equipment structures of the upper tube plate, and the temperature of the gasifying agent is usually only preheated to about 600 ℃, so that a large amount of gas waste heat cannot be directly recycled.
Through searching, chinese patent CN111059565A discloses a coal gas high-temperature air preheater, wherein the upper tube plate in the scheme has a cooling structure, but only has single-side cooling, and the heat insulation is not complete enough, so that the heat-side tube plate of the heat exchanger is in a relatively high-temperature operation environment, the mechanical property of materials is reduced, and the stability of equipment is insufficient.
Disclosure of utility model
Aiming at the problems in the prior art, the utility model provides an upper tube plate, wherein cooling air through holes are arranged on the upper tube plate, so that cold air can be conducted to two sides of the upper tube plate, and the upper tube plate is cooled on two sides; an upper tube sheet assembly capable of double-sided cooling of the upper tube sheet; the high temperature gasifying agent preheater has reduced the influence of high temperature on the tube plate to raise the preheating temperature of gasifying agent, raised heat value of gas, reduced coal consumption and waste heat utilization investment, and obvious economic benefit.
In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:
the upper tube plate comprises a conduction region and a non-conduction region, a plurality of high-temperature gas through holes are formed in the conduction region, a plurality of cooling air through holes are further formed in the conduction region, the cooling air through holes avoid the high-temperature gas through holes, the high-temperature gas through holes are used for conducting high-temperature gas, and the cooling air through holes are used for forming communication paths of cooling air on two sides of the upper tube plate.
Further, the cooling air through holes are distributed near the center of the upper tube plate.
Further, an upper diversion dividing strip and a lower diversion dividing strip are respectively arranged on two sides of the upper tube plate; one ends of the upper flow guide dividing strip and the lower flow guide dividing strip are close to the center of the upper tube plate, and the other ends extend to the edge of the upper tube plate.
The utility model also provides an upper tube plate assembly, which comprises the upper tube plate and a cylinder, wherein a cooling air annular header is arranged along the inner edge of the cylinder, and the upper tube plate divides the cooling air annular header into a cooling air inlet annular header and a cooling air outlet annular header; an upper cooling air channel and a lower cooling air channel are respectively arranged on two sides of the upper tube plate, the upper cooling air channel is communicated with the cooling air inlet annular header, and the lower cooling air channel is communicated with the cooling air outlet annular header; the cooling air in the cooling air inlet annular header enters the upper cooling air channel, and the cooling air through holes enter the lower cooling air channel and then enter the cooling air outlet annular header.
Further, the cylinder body comprises an inner cylinder body and an outer cylinder body, and the inner cylinder body, the outer cylinder body, the upper annular plate and the lower cover plate form a cooling air annular collecting box.
Further, the inner cylinder body is divided into an upper inner cylinder body and a lower inner cylinder body by the upper tube plate, an upper inner cylinder body through hole which is communicated with the cooling air inlet annular header and the upper cooling air channel is formed in the position, close to the upper tube plate, of the upper inner cylinder body, and a lower inner cylinder body through hole which is communicated with the cooling air outlet annular header of the lower cooling air channel is formed in the position, close to the upper tube plate, of the lower inner cylinder body.
Further, the device also comprises an upper partition plate and a lower partition plate, wherein the upper partition plate, the upper tube plate and the upper inner cylinder form an upper cooling air channel, and the lower partition plate, the upper tube plate and the lower inner cylinder form a lower cooling air channel; the side of the upper partition plate and the side of the lower partition plate, which are far away from the upper tube plate, are respectively provided with a heat insulation lining, and the other side of the heat insulation lining, which is close to the upper partition plate, is also provided with a wear-resistant lining.
Further, a replacement heat pipe sleeve and a heat exchange pipe are arranged in the high-temperature gas through hole.
Further, a plurality of cooling air inlet pipes communicated with the cooling air inlet annular header are arranged on the outer side of the upper inner cylinder body, and a plurality of cooling air outlet pipes communicated with the cooling air outlet annular header are arranged on the lower cover plate.
Further, a temperature measuring point connecting pipe is arranged in the cooling air inlet annular header and/or the cooling air outlet annular header and is used for detecting the temperature of cooling air.
The utility model also provides a high-temperature gasifying agent preheater which comprises the upper tube plate assembly, wherein the upper tube plate assembly is positioned at one end of the high-temperature gasifying agent preheater.
Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects: according to the upper tube plate, the upper tube plate assembly and the high-temperature gasifying agent preheater, the cooling air through holes are formed in the upper tube plate, and the upper cooling air channels and the lower cooling air channels are formed in the two sides of the upper tube plate, so that the upper tube plate can be cooled on two sides, the cooling effect on the upper tube plate is improved, the upper tube plate is still at a lower temperature under high-temperature gas, the mechanical property of the upper tube plate is ensured, the deformation and weld cracking of the upper tube plate under high temperature are prevented, and the stability of equipment is realized; and set up thermal-insulated inside lining and wear-resisting inside lining in the last tube sheet assembly, carry out the heat insulation to last tube sheet, protect last tube sheet through wear-resisting inside lining, improve the life of equipment. Through setting up upper and lower water conservancy diversion dividing strip and evenly setting up upper and lower portion inner tube body through-hole, make the cooling wind can even distribution in last tube sheet both sides, prevent that the local temperature of last tube sheet from surpassing, influence the performance of last tube sheet.
Drawings
FIG. 1 is a schematic view of an upper tube sheet assembly;
FIG. 2 is a schematic illustration of a cooling air flow path in the upper tube sheet assembly;
Fig. 3 is a schematic view of an upper tube sheet.
Description of the reference numerals:
1. An upper annular plate; 2. an upper tube sheet; 3. an upper partition plate; 4. a lower partition plate; 5. a lower cover plate;
6. an upper inner cylinder; 7. an upper outer cylinder; 8. a lower inner cylinder; 9. a lower outer cylinder; 10. a cooling air inlet pipe;
11. A cooling air outlet pipe; 12. an upper diversion dividing strip; 13. a lower diversion dividing strip; 14. a heat exchange tube sleeve; 15. a thermal insulation liner; 16. a wear resistant liner; 17. a temperature measuring point connecting pipe; 18. an upper inner cylinder through hole; 19. a lower inner cylinder through hole; 20. a cooling air through hole;
100. A cooling air inlet annular header; 200. an upper cooling air passage; 300. a lower cooling air passage; 400. and a cooling air outlet annular header.
Detailed Description
For a further understanding of the present utility model, the present utility model will be described in detail with reference to the drawings and examples.
The structures, proportions, sizes, etc. shown in the drawings are shown only in connection with the present disclosure, and are not intended to limit the scope of the utility model, since any modification, variation in proportions, or adjustment of the size, etc. of the structures, proportions, etc. should be considered as falling within the spirit and scope of the utility model, without affecting the effect or achievement of the objective. In the present utility model, the azimuth or positional relationship indicated by the terms "upper", "lower", "inner", "outer", and the like are based on the azimuth or positional relationship shown in the drawings. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.
Example 1
As shown in fig. 3, an upper tube sheet, namely upper tube sheet 2, is shown. The upper tube plate 2 in this embodiment is circular, including a conduction region and a non-conduction region, the conduction region is provided with a plurality of high-temperature gas through holes 21 penetrating through the upper tube plate 2, one of the high-temperature gas through holes 21 is located at the center of the upper tube plate 2, and other high-temperature gas through holes 21 are uniformly distributed in the conduction region. The upper tube plate 2 is also provided with a plurality of cooling air through holes 20 penetrating through the upper tube plate 2, and the cooling air through holes 20 are distributed close to the center of the upper tube plate 2 and avoid high-temperature gas through holes 21. The high temperature gas through holes 21 in the present embodiment are used for conducting high temperature gas, and the high temperature gas flows from the upper side of the upper tube plate 2, flows to the lower side of the upper tube plate 2 through the high temperature gas through holes 21, and is described in the figure orientation in fig. 1; the cooling air through holes 20 are used to form communication paths for cooling air on both sides of the upper tube sheet 2.
The cooling air in this embodiment flows along the surfaces of the two sides of the upper tube plate 2, and in order to guide the cooling air, the two sides of the upper tube plate 2 are respectively provided with an upper diversion dividing strip 12 and a lower diversion dividing strip 13. Because the upper tube plate 2 is provided with the replacement heat pipe sleeve 14 and the heat exchange pipe in the high-temperature gas through hole 21 in the application of the upper tube plate assembly, the pipe fitting can exceed the surfaces of two sides of the upper tube plate 2, and in order to avoid interference, the upper diversion dividing strip 12 and the lower diversion dividing strip 13 need to avoid the high-temperature gas through hole 21 when being arranged. Specifically, the upper diversion dividing strips 12 and the lower diversion dividing strips 13 extend to the center of the upper tube plate 2 to the edge of the upper tube plate 2 for guiding cooling air, and the cooling air can be divided into areas, so that the cooling air around the upper tube plate 2 is more uniform, and local overtemperature is prevented. As shown in fig. 3, in one case, one ends of the upper and lower flow-guiding dividing strips 12 and 13 are tangent to the surface of the high-temperature gas through-hole 21 located at the center hole of the upper tube sheet 2, and the other ends extend toward the edge of the upper tube sheet 2. Alternatively, one end of the upper flow dividing strip 12 and one end of the lower flow dividing strip 13 may face the center of the upper tube plate 2, and the other end may extend toward the edge of the upper tube plate 2.
Example two
As shown in fig. 1 and 2, this embodiment provides an upper tube plate assembly including an upper tube plate and a cylindrical body in the first embodiment, and a cooling air annular header is provided along the periphery of the inner edge of the cylindrical body, the upper tube plate 2 dividing the cooling air annular header into a cooling air inlet annular header 100 and a cooling air outlet annular header 400, specifically, the cooling air annular header is divided into the cooling air inlet annular header 100 and the cooling air outlet annular header 400 by passing through the cooling air annular header in a non-conductive region of the upper tube plate 2, and the non-conductive region is also used for supporting the upper tube plate 2 on the cylindrical body.
In the present embodiment, the upper cooling air passage 200 and the lower cooling air passage 300 are provided on both sides of the upper tube sheet 2, respectively, and the upper cooling air passage 200 and the lower cooling air passage 300 are located on both sides of the conduction region. The upper cooling air passage 200 communicates with the cooling air inlet annular header 100, and the lower cooling air passage 300 communicates with the cooling air outlet annular header 400. The cooling air in the cooling air inlet annular header 100 flows in the direction toward the center of the upper tube sheet 2 in the upper cooling air passage 200, and the cooling air through holes 20 flow in the direction toward the edge of the upper tube sheet 2 after entering the lower cooling air passage 300, and enters the cooling air outlet annular header 400. The upper cooling air channel 200 and the lower cooling air channel 300 are used for cooling two sides of the upper tube plate 2, so that the double-side cooling of the upper tube plate 2 is realized, the upper tube plate 2 is at a lower temperature under the condition that the two sides of the upper tube plate 2 in the high-temperature gasifying agent preheater are at a high temperature, the mechanical property of the upper tube plate 2 is ensured, and the deformation and weld cracking of the upper tube plate 2 at a high temperature are prevented, so that the stability of equipment is realized. By the scheme, the influence of high temperatures on the two sides on the upper tube plate 2 is effectively prevented, the preheating temperature of the gasifying agent can be further increased, and the gasifying agent can be preheated to about 750 ℃ at the highest, so that the preheating temperature of the gasifying agent is greatly increased, the heat value of gas is increased, the investment of coal consumption and waste heat utilization of a gasification system is reduced, and obvious economic benefits are brought.
More specifically, the cylinder comprises an inner cylinder body and an outer cylinder body, wherein an upper annular plate 1 and a lower cover plate 5 are arranged at two ends of the inner cylinder body, the inner cylinder body and the outer cylinder body form a cooling air annular collecting box together with the upper annular plate 1 and the lower cover plate 5, and when the upper tube plate 2 passes through the cooling air annular collecting box, the inner cylinder body is positioned between a conduction region and a non-conduction region. The inner tube is divided by the upper tube plate 2 into an upper inner tube 6 and a lower inner tube 8, and the outer tube is divided by the upper tube plate 2 into an upper outer tube 7 and a lower outer tube 9. The upper annular plate 1, the upper outer cylinder 7, the upper tube plate 2 and the upper inner cylinder 6 form a cooling air inlet annular header 100, and the lower outer cylinder 9, the lower cover plate 5, the lower inner cylinder 8 and the upper tube plate 2 form a cooling air outlet annular header 400.
The upper inner cylinder 6 is provided with a plurality of upper inner cylinder through holes 18 which are communicated with the cooling air inlet annular header 100 and the upper cooling air channel 200 near the upper tube plate 2, and the lower inner cylinder 8 is provided with a plurality of lower inner cylinder through holes 19 which are communicated with the cooling air outlet annular header 400 of the lower cooling air channel 300 near the upper tube plate 2. The upper inner cylinder through holes 18 are uniformly distributed along the circumference of the upper inner cylinder 6, the lower inner cylinder through holes 19 are uniformly distributed along the circumference of the lower inner cylinder 8, cooling air uniformly enters the upper cooling air channel 200 through the upper inner cylinder through holes 18, and cooling air in the lower cooling air channel 300 uniformly flows out through the lower inner cylinder through holes 19, so that the cooling air is uniformly distributed on both sides of the upper tube plate 2.
In this embodiment also an upper partition 3 and a lower partition 4 are provided. Wherein the upper baffle plate 3, the upper tube plate 2 and the upper inner cylinder 6 form an upper cooling air passage 200; the lower baffle plate 4, the upper tube plate 2 and the lower inner tube 8 form a lower cooling air passage 300. The outer side of the upper inner cylinder 6 is provided with two cooling air inlet pipes 10 communicated with the cooling air inlet annular header 100, and the lower cover plate 5 is provided with six cooling air outlet pipes 11 communicated with the cooling air outlet annular header 400. In other cases, the number of the cooling air inlet pipes 10 and the cooling air outlet pipes 11 may be other, as needed.
The high-temperature gas through hole 21 is internally provided with a replacement heat pipe sleeve 14 and a heat exchange pipe, and the heat exchange pipe sleeve 14 is sleeved outside the heat exchange pipe. The heat exchange tube sleeve 14 passes through the upper tube plate 2, the upper partition plate 3 and the lower partition plate 4 to form mutually independent passages and paths with the cooling air when the high-temperature gas passes through the upper cooling air passage 200 and the lower cooling air passage 300.
In this embodiment, a temperature measuring point connection pipe 17 is disposed in the cooling air outlet annular header 400, and is used for detecting the temperature of the cooling air, so as to adjust the cooling air quantity, and thus control the temperature of the upper tube plate. In some cases, the temperature measuring point connection pipe 17 may be disposed in the cooling air inlet annular header 100, and sometimes, in order to detect the temperature of the cooling air at multiple points, the temperature measuring point connection pipe 17 may be disposed in both the cooling air inlet annular header 100 and the cooling air outlet annular header 400.
In order to reduce the influence of the high temperature gas on the two sides of the upper tube plate 2 on the cooling effect of the upper tube plate 2, the two sides of the upper tube plate 2 need to be insulated, so in this embodiment, the side of the upper partition plate 3 and the side of the lower partition plate 4, which are far away from the upper tube plate 2, are both provided with an insulating lining 15. Because the high-temperature gas adopts high-temperature flue gas which contains granular smoke dust, the other side of the heat insulation lining 15 close to the upper partition plate 3 is also provided with the wear-resistant lining 16, namely the wear-resistant lining 16 is positioned on the inlet side of the high-temperature gas, the impact of the granular smoke dust is prevented from damaging the upper tube plate assembly, and the service life of the upper tube plate assembly is prolonged. Through holes are formed in the heat insulating lining 15 and the wear-resistant lining 16 at positions corresponding to the high-temperature gas through holes 21, and a high-temperature gas flow path is formed with the high-temperature gas through holes 21.
In the embodiment, cold air enters the cooling air inlet annular header 100 from the cooling air inlet pipe 10, enters the upper cooling air channel 200 through the upper inner cylinder through hole 18 and flows towards the center of the upper tube plate 2, and cools the upper side of the upper tube plate 2; then enters the lower cooling air channel 300 through the cooling air through holes 20 and flows towards the edge of the upper tube plate 2 to cool the lower side of the upper tube plate 2; then enters the cooling air outlet annular header 400 through the lower inner cylinder through hole 19, finally flows out through the cooling air outlet pipe 11 and enters the high-temperature gasifying agent preheater shell to be mixed with gasifying agent. The high-temperature gas enters the preheater through the high-temperature gas through holes 21 to preheat the gasifying agent.
Example III
In this embodiment, a high-temperature gasifying agent preheater is provided, which includes the upper tube plate assembly in the second embodiment, wherein the upper tube plate assembly is located at one end of the high-temperature gasifying agent preheater, and high-temperature gas flows into the upper tube plate 2 from the upper side, flows to the lower side of the upper tube plate 2 through the high-temperature gas through hole 21, and enters the high-temperature gasifying agent preheater.
The utility model and its embodiments have been described above by way of illustration and not limitation, and the utility model is illustrated in the accompanying drawings and described in the drawings in which the actual structure is not limited thereto. Therefore, if one of ordinary skill in the art is informed by this disclosure, the structural mode and the embodiments similar to the technical scheme are not creatively designed without departing from the gist of the present utility model.
Claims (10)
1. An upper tube sheet, characterized in that: the upper tube plate (2) comprises a conduction region and a non-conduction region, a plurality of high-temperature gas through holes (21) are formed in the conduction region, a plurality of cooling air through holes (20) are further formed in the conduction region, the cooling air through holes (20) avoid the high-temperature gas through holes (21), the high-temperature gas through holes (21) are used for conducting high-temperature gas, and the cooling air through holes (20) are used for forming communication paths of cooling air on two sides of the upper tube plate (2).
2. The upper tube sheet of claim 1, wherein: the cooling air through holes (20) are distributed near the center of the upper tube plate (2).
3. The upper tube sheet according to claim 1 or 2, wherein: an upper diversion dividing strip (12) and a lower diversion dividing strip (13) are respectively arranged on two sides of the upper tube plate (2); one ends of the upper diversion dividing strip (12) and the lower diversion dividing strip (13) are close to the center of the upper tube plate (2), and the other ends extend to the edge of the upper tube plate (2).
4. An upper tube sheet assembly, characterized in that: comprising an upper tube sheet and a cylinder as claimed in any one of claims 1-3, a cooling air annular header being provided along an inner edge of the cylinder, the upper tube sheet (2) dividing the cooling air annular header into a cooling air inlet annular header (100) and a cooling air outlet annular header (400);
an upper cooling air channel (200) and a lower cooling air channel (300) are respectively arranged on two sides of the upper tube plate (2), the upper cooling air channel (200) is communicated with the cooling air inlet annular header (100), and the lower cooling air channel (300) is communicated with the cooling air outlet annular header (400); the cooling air in the cooling air inlet annular header (100) enters the upper cooling air channel (200), and the cooling air through holes (20) enter the lower cooling air channel (300) and then enter the cooling air outlet annular header (400).
5. The upper tube sheet assembly of claim 4, wherein: the cylinder comprises an inner cylinder body and an outer cylinder body, and the inner cylinder body, the outer cylinder body, the upper annular plate (1) and the lower cover plate (5) form a cooling air annular collecting box.
6. The upper tube sheet assembly of claim 5, wherein: the inner cylinder is divided into an upper inner cylinder (6) and a lower inner cylinder (8) by an upper tube plate (2), an upper inner cylinder through hole (18) for communicating the cooling air inlet annular header (100) with the upper cooling air channel (200) is formed in the position, close to the upper tube plate (2), of the upper inner cylinder (6), and a lower inner cylinder through hole (19) for communicating the cooling air outlet annular header (400) of the lower cooling air channel (300) is formed in the position, close to the upper tube plate (2), of the lower inner cylinder (8).
7. The upper tube sheet assembly of claim 5, wherein: the cooling device further comprises an upper partition plate (3) and a lower partition plate (4), wherein the upper partition plate (3), the upper tube plate (2) and the upper inner cylinder body (6) form an upper cooling air channel (200), and the lower partition plate (4), the upper tube plate (2) and the lower inner cylinder body (8) form a lower cooling air channel (300); the side of the upper partition plate (3) and the side of the lower partition plate (4) far away from the upper tube plate (2) are respectively provided with a heat insulation lining (15), and the other side of the heat insulation lining (15) close to the upper partition plate (3) is also provided with a wear-resistant lining (16).
8. The upper tube sheet assembly as set forth in any one of claims 4-7, wherein: the high-temperature gas through hole (21) is internally provided with a heat exchange pipe sleeve (14) and a heat exchange pipe.
9. The upper tube sheet assembly as set forth in claim 6, wherein: the outer side of the upper inner cylinder body (6) is provided with a plurality of cooling air inlet pipes (10) communicated with the cooling air inlet annular header (100), and the lower cover plate (5) is provided with a plurality of cooling air outlet pipes (11) communicated with the cooling air outlet annular header (400).
10. A high temperature gasifying agent preheater, characterized in that: an upper tube sheet assembly comprising any one of claims 3-9, said upper tube sheet assembly being positioned at one end of a high temperature gasification agent preheater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323182988.1U CN221173017U (en) | 2023-11-22 | 2023-11-22 | Upper tube plate, upper tube plate assembly and high-temperature gasifying agent preheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323182988.1U CN221173017U (en) | 2023-11-22 | 2023-11-22 | Upper tube plate, upper tube plate assembly and high-temperature gasifying agent preheater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221173017U true CN221173017U (en) | 2024-06-18 |
Family
ID=91436488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323182988.1U Active CN221173017U (en) | 2023-11-22 | 2023-11-22 | Upper tube plate, upper tube plate assembly and high-temperature gasifying agent preheater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221173017U (en) |
-
2023
- 2023-11-22 CN CN202323182988.1U patent/CN221173017U/en active Active
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