CN220026428U - High-temperature gas dust remover - Google Patents
High-temperature gas dust remover Download PDFInfo
- Publication number
- CN220026428U CN220026428U CN202322783446.3U CN202322783446U CN220026428U CN 220026428 U CN220026428 U CN 220026428U CN 202322783446 U CN202322783446 U CN 202322783446U CN 220026428 U CN220026428 U CN 220026428U
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- China
- Prior art keywords
- filter element
- barrel
- temperature gas
- cylinder body
- partition plate
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- 239000000428 dust Substances 0.000 title claims abstract description 26
- 238000005192 partition Methods 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims description 18
- 238000003466 welding Methods 0.000 claims description 12
- 210000005239 tubule Anatomy 0.000 claims 8
- 241001391944 Commicarpus scandens Species 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 abstract 2
- 239000010883 coal ash Substances 0.000 description 10
- 239000002956 ash Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 238000001914 filtration Methods 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000002309 gasification Methods 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 239000004071 soot Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000237942 Conidae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013064 chemical raw material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses a high-temperature gas dust remover, which belongs to the technical field of dust-containing gas separation and comprises a barrel, wherein a clean gas outlet is formed in the upper part of the barrel, a dust discharging port is formed in the lower part of the barrel, a partition plate is fixedly arranged in the barrel, the partition plate is positioned between the clean gas outlet and the dust discharging port, a filter element assembly is arranged on the partition plate, the filter element assembly comprises a plurality of filter elements, an air inlet pipe is arranged on the barrel, the air inlet pipe is connected with a gas distributor, the gas distributor comprises a plurality of side wall branch pipes and a central branch pipe, high-temperature gas enters from the air inlet pipe and flows out from ports of the side wall branch pipes and the central branch pipe, the side wall branch pipes are uniformly distributed in a circumferential shape around the central branch pipe, the central branch pipe is vertically inserted into the filter element assembly, and the side wall branch pipes are positioned on the periphery of the filter element assembly. The filter element is not easy to break, and ensures long-period, continuous and stable operation of the equipment.
Description
Technical Field
The utility model belongs to the technical field of dust-containing gas separation, and particularly relates to a high-temperature gas dust remover.
Background
The fluidized bed process has certain superiority for dry powder coal gasification, in particular to dry powder coal gasification of inferior coal. The high-temperature synthesis gas (more than or equal to 200 ℃) generated after the reaction of the fluidized bed gasification furnace is entrained with a large amount of fine coal ash (30-250 g/Nm < 3 >) which can influence the quality of the synthesis gas as raw material gas and also can block a compressor to cause the forced stopping of a system device, so that a high-temperature gas dust remover is required to filter fine powder particles in the synthesis gas, clean synthesis gas is used as chemical raw material gas, and the filtered fine powder particles are returned to the gasification furnace for reaction or are discharged out of the system device.
At present, the high-temperature gas dust remover is easy to cause the following problems in use, especially when the coal ash content is large (30-250 g/Nm 3): the gas distributor airflow outlets are uniformly distributed only along the side wall of the cylinder, the filter element is uniformly arranged inside the cylinder, the filter element outside the cylinder is impacted by the airflow greatly, the filter element inside the cylinder is very small in airflow, the gas distributor is unevenly distributed in the cylinder to form a bias flow phenomenon, the filter element outside the cylinder is impacted by the impact force greatly to easily break the filter element, and the dust filtering and coal ash removing function of the dust remover is invalid. Once the dust collector has failed in the function of filtering the coal ash, fine coal ash particles can leak through the dust collector to a downstream device, pollute downstream equipment and pipelines, block a compressor and cause the system device to be forced to stop. When overhauling, each leakage point needs to be dismantled, inspected, repaired and reinstalled one by one, the workload is large, the time consumption is long, and the whole overhauling progress is influenced.
Disclosure of Invention
In view of the above, the utility model aims to overcome the defects of the prior art, and provides the high-temperature gas dust remover, wherein a filter element is not easy to break, and long-period, continuous and stable operation of equipment is ensured.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a high temperature gas dust remover, includes the barrel, barrel upper portion is equipped with clean gas outlet, the barrel lower part is equipped with the ash discharge mouth, its characterized in that, set firmly the baffle in the barrel, the baffle is located between clean gas outlet and the ash discharge mouth, be equipped with the filter core subassembly on the baffle, the filter core subassembly includes a plurality of filter cores, set up the intake pipe on the barrel, the air distributor of intake-tube connection, the air distributor includes a plurality of lateral wall and a central being in charge of, and high temperature gas gets into from the intake pipe, flows from the port of a plurality of lateral wall being in charge of and a central being in charge of, a plurality of lateral wall are in charge of and are circumference form evenly distributed, the central being in charge of is perpendicular to be inserted in the filter core subassembly, the lateral wall is in the filter core subassembly periphery for the gas evenly distributed who flows from being in charge of.
Further, the cylinder body is divided into an upper cylinder body and a lower cylinder body, and the partition plate is connected with the upper cylinder body and the lower cylinder body in a butt welding mode.
Further, the partition board is connected with a plurality of small tube plates, each small tube plate is vertically provided with a plurality of filter elements, the partition board is provided with through holes for the filter elements to be vertically inserted, a sealing gasket is arranged between the transverse contact surfaces of the partition board and the small tube plates, and the circumferential side surfaces of the small tube plates are welded with the partition board in a sealing manner.
Further, the filter element is detachably connected to the small tube plate.
Further, an upper sealing cover is fixedly arranged at the top of the upper cylinder body, a manhole is arranged on the upper sealing cover, and the filter element is hoisted through the manhole in the disassembling and assembling process.
Further, the central branched pipe port is higher than the plurality of side wall branched pipes.
Further, the cross section of the inner wall of the central branched pipe is circular or regular polygon, and the cross section of the inner wall of the side wall branched pipe is fan-shaped.
The beneficial effects of the utility model are as follows:
1) The air inlet pipe is connected with the air distributor, and the air distributor ensures that the air containing fine powder particles is distributed more uniformly on the side of the filter element, so that the filter element is not easy to break;
2) According to the utility model, a butt welding structure is adopted between the cylinder and the partition board, so that the equipment diameter is effectively reduced under the same filter element arrangement, and even when the coal ash content is large, the joint of the inner wall of the cylinder and the partition board is not easy to erode and damage, so that the risk point of leakage at the joint is avoided, and the failure of the dust remover in the function of filtering the coal ash is prevented;
3) The utility model changes the double sealing structure of gasket and seal welding after installation between the separator and the small tube plate, prevents the sealing failure between the separator and the small tube plate and further abrades the sealing surface, avoids the risk point of dust remover leakage, and prevents the dust remover from losing the function of filtering coal ash; in addition, only the filter element is hoisted without disassembling the small tube plate when the filter element is disassembled and assembled, so that the disassembly and assembly workload of the filter element is reduced.
Drawings
FIG. 1 is a schematic diagram of a first embodiment of the present utility model;
FIG. 2 is a schematic diagram of the connection of the partition plate to the upper and lower cylinders;
FIG. 3 is a schematic illustration of the connection of a tubesheet to a baffle;
FIG. 4 is an enlarged schematic view of FIG. 3A;
FIG. 5 is a front view of a gas distributor;
FIG. 6 is a top view of a gas distributor;
FIG. 7 is a schematic diagram of a second embodiment of the present utility model;
wherein: the device comprises a 1-upper cylinder, a 2-lower cylinder, a 3-clean gas outlet, a 4-ash discharge port, a 5-partition plate, a 51-butt welding seam I, a 52-butt welding seam II, a 53-seal welding seam, a 6-filter element, a 7-small tube plate, an 8-sealing gasket, a 9-upper sealing cover, a 10-manhole, a 11-gas inlet pipe, a 12-distribution primary pipe, a 13-distribution diode, a 14-side wall branch pipe, a 15-center branch pipe and a 16-gas back blowing port.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Fig. 1-6 are schematic structural diagrams of a first embodiment of the present utility model, and a high-temperature gas dust remover, as shown in fig. 1, includes a cylinder body, wherein the cylinder body is divided into an upper cylinder body 1 and a lower cylinder body 2, a clean gas outlet 3 is formed on the side surface of the upper cylinder body 1, the lower part of the lower cylinder body 2 is in a circular truncated cone shell structure, and a through hole at the lowest part of the lower cylinder body is an ash discharge port 4.
The baffle 5 is horizontally fixed in the cylinder, the baffle 5 is positioned between the clean gas outlet 3 and the ash discharge port 4, as shown in fig. 2, the baffle 5 is respectively connected with the upper cylinder 1 and the lower cylinder 2 by adopting butt welding structures, wherein 51 is a butt welding line I, and 52 is a butt welding line II.
The filter element component is fixedly arranged on the partition board 5, the filter element component comprises a plurality of filter elements 6, and the specific setting mode of the filter elements 6 is as follows: the partition plate 5 is connected with 2-24 small tube plates 7, 4-55 mounting holes for vertically inserting the filter element 6 are formed in each small tube plate 7, and after the filter element 6 is inserted into the mounting holes, the top of the filter element 6 is detachably connected with the small tube plates 7 through bolts, nuts and gaskets; the partition board 5 is provided with a through hole for the vertical insertion of the filter element 6, a sealing gasket 8 is arranged between the transverse contact surface of the small tube plate 7 and the partition board 5, as shown in fig. 3 and 4, the circumferential side surface of the small tube plate 7 is in sealing welding with the partition board 5, and 53 is a sealing welding seam. The upper sealing cover 9 is welded at the top of the upper cylinder body 1, the manhole 10 is formed in the top of the upper sealing cover 9, the filter element 6 is dismounted and mounted through the manhole 10, and only the filter element 6 is dismounted and mounted without dismounting the small tube plate 7 during dismounting.
The cylinder body is provided with an air inlet pipe 11, the air inlet pipe 11 is connected with an air distributor, the air distributor comprises a distribution primary pipe 12, side wall branch pipes 14 and a central branch pipe 15, the specific connection mode is shown in fig. 5 and 6, the air inlet pipe 11 is connected with the distribution primary pipe 12, 2-4 distribution secondary pipes 13 are connected to the distribution primary pipe 12, each distribution secondary pipe 13 is connected with the side wall branch pipe 14, the distribution primary pipe 12 is also connected with the central branch pipe 15, the height of a port of the central branch pipe 15 is higher than that of the side wall branch pipe 14, the side wall branch pipes 14 are uniformly distributed in a circumference shape around the central branch pipe 15, the cross section of the inner wall of the central branch pipe 15 is round, the cross section of the inner wall of the side wall branch pipe 14 is a sector shape, and the cross section of the inner wall of the side wall branch pipe 14 can also be square or other regular polygon. The arrangement is shown in fig. 1, with the central tube 15 inserted vertically into the cartridge assembly and the side wall tube 14 located at the periphery of the cartridge assembly.
The operation mode of the embodiment is as follows: the high-temperature coal ash-containing gas enters from the gas inlet pipe 11, then flows out from the central branched pipe 15 and the side wall branched pipe 14, is uniformly distributed on the inner side and the outer side of the filter element assembly, is filtered by the filter element 6, is discharged from the clean gas outlet 3, and the filtered coal ash particles are discharged from the ash discharge port 4.
Example two
As shown in fig. 7, in the second embodiment of the present utility model, the difference between the present embodiment and the first embodiment is that the upper cover 9 is provided with a gas back-blowing port 16, when the soot particles adhering to the filter element 6 are more, high-speed gas is blown into the cylinder from the gas back-blowing port 16, and the soot is blown off from the filter element 6 and then discharged from the soot discharge port 4, so as to ensure the filtering effect of the filter element 6.
Finally, it is noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present utility model, and that other modifications and equivalents thereof by those skilled in the art should be included in the scope of the claims of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.
Claims (7)
1. The utility model provides a high temperature gas dust remover, its characterized in that, includes the barrel, barrel upper portion is equipped with clean gas outlet (3), the barrel lower part is equipped with ash discharge port (4), set firmly baffle (5) in the barrel, baffle (5) are located between clean gas outlet (3) and the ash discharge port (4), be equipped with filter element group spare on baffle (5), filter element group spare includes a plurality of filter cores (6), set up intake pipe (11) on the barrel, intake pipe (11) connect gas distributor, gas distributor includes a plurality of lateral wall tubules (14) and a central tubule (15), and high temperature gas flows from intake pipe (11), flows from the port of a plurality of lateral wall tubules (14) and a central tubule (15), a plurality of lateral wall tubules (14) are circumference evenly distributed around central tubule (15), central tubule (15) are perpendicularly inserted in filter element group spare, lateral wall tubule (14) are located filter element group spare periphery flows so that from the air outside evenly distributed in filter element group spare.
2. The high-temperature gas dust remover according to claim 1, wherein the cylinder body is divided into an upper cylinder body (1) and a lower cylinder body (2), and the partition plate (5) is connected with the upper cylinder body (1) and the lower cylinder body (2) in a butt welding mode.
3. The high-temperature gas dust remover according to claim 2, characterized in that the partition plate (5) is connected with a plurality of small tube plates (7), each small tube plate (7) is vertically provided with a plurality of filter cores (6), the partition plate (5) is provided with through holes for the filter cores (6) to be vertically inserted, a sealing gasket (8) is arranged between the transverse contact surface of the partition plate (5) and the small tube plates (7), and the circumferential side surfaces of the small tube plates (7) are welded with the partition plate (5) in a sealing manner.
4. A high temperature gas dust collector according to claim 3, characterized in that the filter element (6) is detachably connected to the tubesheet (7).
5. The high-temperature gas dust remover according to claim 4, wherein an upper sealing cover (9) is fixedly arranged at the top of the upper cylinder body (1), a manhole (10) is arranged on the upper sealing cover (9), and the filter element (6) is dismounted and lifted through the manhole (10).
6. A high temperature gas scrubber according to any of claims 1-5, wherein the central branch pipe (15) has a port which is higher than the plurality of side wall branches (14).
7. A high temperature gas dust collector according to claim 6, wherein the cross section of the inner wall of the central branched pipe (15) is circular or regular polygon, and the cross section of the inner wall of the side branched pipe (14) is fan-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322783446.3U CN220026428U (en) | 2023-10-17 | 2023-10-17 | High-temperature gas dust remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322783446.3U CN220026428U (en) | 2023-10-17 | 2023-10-17 | High-temperature gas dust remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220026428U true CN220026428U (en) | 2023-11-17 |
Family
ID=88737683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322783446.3U Active CN220026428U (en) | 2023-10-17 | 2023-10-17 | High-temperature gas dust remover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220026428U (en) |
-
2023
- 2023-10-17 CN CN202322783446.3U patent/CN220026428U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |