CN113509818A - A top of a tower gas distribution device for TSA adsorption tower - Google Patents
A top of a tower gas distribution device for TSA adsorption tower Download PDFInfo
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- CN113509818A CN113509818A CN202110590906.3A CN202110590906A CN113509818A CN 113509818 A CN113509818 A CN 113509818A CN 202110590906 A CN202110590906 A CN 202110590906A CN 113509818 A CN113509818 A CN 113509818A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/047—Pressure swing adsorption
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0407—Constructional details of adsorbing systems
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- Separation Of Gases By Adsorption (AREA)
Abstract
The invention discloses a tower top gas distribution device for a TSA adsorption tower, which comprises a hemispherical head positioned at the top of the TSA adsorption tower, wherein the middle part of the hemispherical head is provided with a hole and is fixedly connected with the lower end of a manhole pipe, a filter cylinder is arranged in the manhole pipe, a gas pipe is arranged at the upper end of the manhole pipe, a gas distribution device is arranged on the inner concave surface of the hemispherical head and is positioned below the filter cylinder, the bottom plate of the filter cylinder can be fully provided with the small holes through the gas distribution device, the filter cylinder can be positioned in the manhole pipe, the dead space of gas at the top of the adsorption tower is effectively reduced, the gas distribution device effectively buffers gas inlet and outlet equipment, the gas flow is more stable, the distribution is more uniform, and the adsorbent can be effectively prevented from being pulverized and entering a gas pipeline. Through making retainer plate perpendicular to head internal surface, it is more convenient to weld and polish the operation, and welding quality is more guaranteed, and equipment stress concentration degree descends, has reduced the potential safety hazard because of making and has brought, has improved the fatigue resistance of equipment.
Description
Technical Field
The invention relates to a pressure swing adsorption tower, in particular to a tower top gas distribution device for a TSA adsorption tower.
Background
The gas distributor at the top of the adsorption tower of the pressure swing adsorption device has large space of dead zones at the top due to design, manufacture, installation and other reasons, and the gas yield is seriously influenced; the adsorbent is pulverized and released into a subsequent working section by airflow along with the airflow on the surface of the filter cylinder, so that the safe operation of the program control valve is influenced; the included angle of the joint of the fixed ring and the end socket is too small, polishing is inconvenient, stress concentration is large, and fatigue cracking of the joint endangers the operation safety of equipment and the like; the filter cartridge bottom seals completely, and it is big to be strikeed by the air current, strikes easily and drops, leads to the adsorbent to reveal, and will reach the percent opening that needs because of the bottom plate does not trompil and follow, and the cartridge filter needs the design longer, has increased top dead zone space, influences adsorption effect. Therefore, the improvement and optimization of the top gas distribution device is a key technical problem of improving the safety of the device and improving the adsorption effect of the adsorbent.
Disclosure of Invention
The invention aims to provide a tower top gas distribution device for a TSA adsorption tower.
In order to achieve the purpose, the invention is implemented according to the following technical scheme:
the invention comprises a hemispherical head positioned at the top of a TSA adsorption tower, wherein the middle part of the hemispherical head is provided with a hole and is fixedly connected with the lower end of a manhole pipe, a filter cylinder is arranged in the manhole pipe, the upper end of the manhole pipe is provided with a gas pipe, the inner concave surface of the hemispherical head is positioned below the filter cylinder and is provided with a gas distribution device, and the gas distribution device is detachably and fixedly connected with the hemispherical head.
Further, the gas distribution device comprises a wire mesh, an airflow distribution plate, a manhole cover plate and a baffle, through holes are uniformly distributed on the airflow distribution plate, the wire mesh and the edge of the airflow distribution plate are detachably connected with the inner wall of the hemispherical head, the wire mesh is laid on the lower surface of the airflow distribution plate, a manhole is arranged in the middle of the airflow distribution plate, the manhole cover plate is detachably connected with the manhole position of the airflow distribution plate, the baffle is detachably connected with the upper end face of the manhole cover plate, and the baffle is located below the filter cartridge.
Further, a plurality of supporting plates are evenly arranged on the upper end face of the silk screen, the lower ends of the supporting plates are fixedly connected with the upper end face of the silk screen, and the upper ends of the supporting plates are close to the inner wall of the hemispherical seal head.
Further, the silk screen with airflow distribution plate's edge can dismantle the connection through retainer plate, lock ring, go-between, nut and bolt between the inner wall of hemisphere head, the retainer plate perpendicular to hemisphere head inner curved surface welded fastening connects, the outer circumference of lock ring with the lower extreme edge welded fastening of retainer plate connects, the inward flange of go-between and airflow distribution plate's edge fixed connection, the silk screen is located airflow distribution plate with the lower surface of go-between, the clamping ring is located the lower surface of silk screen, and be located under the go-between, the bolt passes the lock ring the go-between the silk screen with behind the clamping ring with nut threaded connection.
Preferably, the airflow distribution plate is composed of a plurality of fan-shaped curved surface structures, through holes are distributed on each fan-shaped curved surface structure, a sealing strip is arranged at the gap between two adjacent fan-shaped curved surface structures, one side edge of the sealing strip is fixedly connected with the upper end face of one fan-shaped curved surface structure in a welding mode, and the other side edge of the sealing strip is sealed with the upper end face of the other fan-shaped curved surface structure through silicon rubber.
Further, the manhole cover plate is composed of two fan-shaped curved surface structures, two sealing strips are arranged between gaps of the fan-shaped curved surface structures, one side of each sealing strip is fixedly connected with the upper end face of each fan-shaped curved surface structure in a welding mode, and the lower end face of the other side of each sealing strip is in contact with the upper end face of each fan-shaped curved surface structure.
Furthermore, the manhole cover plate is fixedly connected with the baffle through a single-end stud, the lower end of the single-end stud is fixedly connected with the upper end face of the manhole cover plate, and the upper end of the single-end stud penetrates through the baffle and then is in threaded connection with the nut.
Preferably, the baffle is composed of two semicircular structures, a handle is arranged on the upper end face of the baffle, and the handles are arranged on the upper end faces of the two semicircular structures of the baffle.
Further, after the air flow distribution plate is divided into a plurality of fan-shaped curved surface structures, the connecting rings are divided into a plurality of sections, and gaps among the plurality of sections of connecting rings are sealed by silicon rubber.
The invention has the beneficial effects that:
the invention relates to a tower top gas distribution device for a TSA adsorption tower, which has the following beneficial effects compared with the prior art:
(1) the invention has simple and reliable structure and scientific and reasonable design, can make the filter cartridge shorter, makes the dead space of the tower top smaller and improves the adsorption effect of the adsorption tower.
(2) The structure of the invention prevents the adsorbent from being pulverized by high-speed airflow along with the direct contact of the airflow and the filter cylinder, and improves the safety and stability of the back-end pump equipment.
(3) The structure of the invention gives secondary buffering to the gas, so that the stability and the distribution uniformity of the gas flow are stronger.
(4) The distribution plate adopts a spherical crown structure, so that the distribution plate is better stressed under the impact of the filler.
(5) The structural fixing ring is arranged perpendicular to the inner surface of the end socket, so that welding and polishing are more convenient, stress at the welding position of the fixing ring and the end socket is better, and the fatigue performance of equipment is improved.
(6) The sealing performance is good, and the leakage of the adsorbent is avoided.
(7) The structure of the invention is a detachable structure, which is convenient for replacement.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic top view of the structure of FIG. 1 taken along the line A-A;
FIG. 3 is an enlarged view of a portion A of FIG. 1;
FIG. 4 is a partial enlarged view of portion B of FIG. 2;
FIG. 5 is a schematic cross-sectional view of the portion B-B in FIG. 4;
FIG. 6 is an enlarged view of a portion C of FIG. 2;
fig. 7 is a schematic sectional view of a portion C-C of fig. 6.
In the figure: the device comprises a gas pipe 1, a filter cylinder 2, a manhole pipe 3, a handle 4, a single-end stud 5, a support plate 6, a fixing ring 7, a support ring 8, a connecting ring 9, a nut 10, a bolt 11, a wire mesh 12, an airflow distribution plate 13, a manhole cover plate 14, a sealing strip 15, a baffle 16, a pressure ring 17, a hemispherical end socket 18 and silicon rubber 19.
Detailed Description
The invention will be further described with reference to the drawings and specific embodiments, which are illustrative of the invention and are not to be construed as limiting the invention.
As shown in fig. 1-7: the invention comprises a hemispherical head 18 positioned at the top of a TSA adsorption tower, wherein the middle part of the hemispherical head 18 is provided with a hole and is fixedly connected with the lower end of a manhole pipe 3, a filter cylinder 2 is arranged in the manhole pipe 3, a gas pipe 1 is arranged at the upper end of the manhole pipe 3, a gas distribution device is arranged on the inner concave surface of the hemispherical head 18 positioned below the filter cylinder 2, and the gas distribution device is detachably and fixedly connected with the hemispherical head 18.
Further, the gas distribution device is composed of a wire mesh 12, an air flow distribution plate 13, a manhole cover plate 14 and a baffle 16, through holes are uniformly distributed on the air flow distribution plate 13, the wire mesh 12 and the edge of the air flow distribution plate 13 are detachably connected with the inner wall of the hemispherical head 18, the wire mesh 12 is laid on the lower surface of the air flow distribution plate 13, a manhole is arranged in the middle of the air flow distribution plate 13, the manhole cover plate 14 is detachably connected with the manhole position of the air flow distribution plate 13, the baffle 16 is detachably connected with the upper end face of the manhole cover plate 14, and the baffle 16 is located below the filter cartridge 2.
Further, a plurality of supporting plates 6 are uniformly arranged on the upper end face of the wire mesh 12, the lower ends of the supporting plates 6 are fixedly connected with the upper end face of the wire mesh 12, and the upper ends of the supporting plates 6 are close to the inner wall of the hemispherical head 18.
Further, the silk screen 12 with airflow distribution plate 13's edge can dismantle the connection through retainer plate 7, retainer ring 8, go-between 9, nut 10 and bolt 11 between the inner wall of hemisphere head 18, retainer plate 7 perpendicular to 18 inner curved surface welded fastening of hemisphere head connects, the outer circumference of retainer ring 8 with the lower extreme edge welded fastening of retainer ring 7 connects, the inward flange of go-between 9 and airflow distribution plate 13's edge fixed connection, silk screen 12 is located airflow distribution plate 13 with the lower surface of go-between 9, clamping ring 17 is located the lower surface of silk screen 12, and is located under the go-between 9, bolt 11 passes retainer ring 8 go-between 9 silk screen 12 with behind the clamping ring 17 with nut 10 threaded connection.
Preferably, the airflow distribution plate 13 is composed of a plurality of fan-shaped curved surface structures, through holes are distributed on each fan-shaped curved surface structure, a sealing strip 15 is arranged at a gap between two adjacent fan-shaped curved surface structures, one side edge of the sealing strip 15 is fixedly connected with the upper end face of one of the fan-shaped curved surface structures in a welding manner, and the other side edge of the sealing strip 15 is sealed with the upper end face of the other fan-shaped curved surface structure through silicon rubber 19.
Further, manhole cover plate 14 is two fan-shaped curved surface structures and constitutes, two be provided with sealing strip 15 between the clearance of fan-shaped curved surface structure, one side and one of sealing strip 15 the up end welded fastening of fan-shaped curved surface structure is connected, terminal surface and another under the opposite side of sealing strip 15 the up end contact of fan-shaped curved surface structure.
Further, the manhole cover plate 14 is fixedly connected with the baffle plate 16 through a single-end stud 5, the lower end of the single-end stud 5 is fixedly connected with the upper end face of the manhole cover plate 14, and the upper end of the single-end stud 5 penetrates through the baffle plate 16 and then is in threaded connection with the nut 10.
Preferably, the baffle 16 is composed of two semicircular structures, the handle 4 is arranged on the upper end face of the baffle 16, and the handles 4 are arranged on the two semicircular end faces of the baffle 16.
Further, after the airflow distribution plate 13 is divided into a plurality of fan-shaped curved surface structures, the connection rings 9 are divided into a plurality of sections, and gaps between the plurality of sections of connection rings 9 are sealed by silicon rubber 19.
Example (b):
a fixing ring 7 perpendicular to the inner curved surface of the end socket is welded at the hemispherical end socket 18, the fixing ring 7 is welded with a support ring 8, a connecting ring 9 is welded with an air flow distribution plate 13, the support ring 8 is connected with the connecting ring 9 through bolts 11 and nuts 10, a support plate 6 is welded on the air flow distribution plate 13, a single-end stud 5 is welded on a manhole cover plate 14, the manhole cover plate 14 is connected with the air flow distribution plate 13 through bolts 11 and nuts 10, and a baffle 16 is fixed with the single-end stud 5 through the nuts 10.
The airflow distribution plate 13 is divided into a plurality of sub-blocks according to the size allowed by the manhole pipe 3, two sealing strips 15 are respectively welded on half of the sub-blocks, and the sealing strips 15 are welded to exceed the edge of each sub-block by 10 mm.
And (3) dividing the manhole cover plate 14 into two sub-blocks, wherein a sealing strip 15 is welded at the cutting edge of one sub-block, and the sealing strip 15 is required to exceed the edge of the sub-block by 10mm after being welded.
The edge of the gap where the sealing strip 15 is in fitting contact with the manhole cover plate 14 and the air distribution plate 13 is sealed with a silicone rubber 19. The assembly contact gap edges of the sub-blocks after the connection ring 9 is divided are sealed with silicon rubber 19.
And laying a plurality of layers of silk screens 12 on the surfaces of the air flow distribution plate 13 and the manhole cover plate 14, and pressing the silk screens by using a pressing ring 17.
The fixing ring 7 is perpendicular to the inner surface of the seal head 18 and is continuously and completely welded, and the surface of a welding line is polished and smoothly transited.
Bolt through holes are uniformly drilled in the support ring 8, the connecting ring 9 is welded with the air flow distribution plate 13 and then is matched with the support ring 8 for drilling, the bolt through holes are uniformly drilled in the inner side of the air flow distribution plate 13, and the outer side of the manhole cover plate 14 is matched with bolt holes in the inner side of the air flow distribution plate 13 for drilling.
The gas flow distribution plate 13 is provided with through holes with the diameter of 10-12 mm along the radial direction, the gas flow distribution plate 13 is in a spherical crown shape, the diameter of the spherical crown is 0.7-1.0 times of the nominal diameter of the adsorption tower, and the sum of the aperture ratio of the gas flow distribution plate 13 and the aperture ratio of the manhole cover plate 14 at the position where the gas flow distribution plate 13 is welded on the seal head 18 is 5-8 times of the inner sectional area of the gas pipe orifice 1.
A plurality of supporting plates 6 are welded on the inner surface of the air flow distribution plate 13, and the length of each supporting plate 6 is preferably 2-4 mm of clearance with the seal head 18.
The 16 mounting height of baffle should be 60 ~ 80mm apart from manhole apron 14, and apart from 2 bottoms of cartridge filter 80 ~ 100mm, 2 bottoms of cartridge filter blind plates should fill out the aperture.
According to the invention, the gas distribution device is adopted, so that the bottom plate of the filter cylinder can be fully provided with the small holes, the filter cylinder can be positioned in the manhole pipe, the dead zone space of gas at the top of the adsorption tower is effectively reduced, the gas inlet and outlet equipment is effectively buffered by the gas distribution device, the gas flow is more stable, the distribution is more uniform, and the adsorbent can be effectively prevented from being pulverized and entering a gas pipeline. Through making retainer plate perpendicular to head internal surface, compare with current device, it is more convenient to weld and polish the operation, and welding quality is more guaranteed, and equipment stress concentration degree descends, has reduced the potential safety hazard because of making and has brought, has improved the fatigue resistance ability of equipment.
The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a top of a tower gas distribution device for TSA adsorption tower, is including being located semi-spherical head (18) at TSA adsorption tower top, the middle part trompil of semi-spherical head (18) to with the lower extreme fixed connection of manhole pipe (3), be provided with cartridge filter (2) in manhole pipe (3), the upper end of manhole pipe (3) is provided with gas pipe (1), its characterized in that: the inner concave surface of the hemispherical head (18) is positioned below the filter cartridge (2) and is provided with a gas distribution device, and the gas distribution device is detachably and fixedly connected with the hemispherical head (18).
2. The overhead gas distribution apparatus for a TSA adsorption column as claimed in claim 1, wherein: the gas distribution device comprises a wire mesh (12), an air flow distribution plate (13), a manhole cover plate (14) and a baffle (16), wherein through holes are uniformly distributed in the air flow distribution plate (13), the wire mesh (12) and the edge of the air flow distribution plate (13) are detachably connected with the inner wall of a hemispherical seal head (18), the wire mesh (12) is laid on the lower surface of the air flow distribution plate (13), a manhole is arranged in the middle of the air flow distribution plate (13), the manhole cover plate (14) is detachably connected with the manhole position of the air flow distribution plate (13), the baffle (16) is detachably connected with the upper end face of the manhole cover plate (14), and the baffle (16) is located below the filter cartridge (2).
3. The overhead gas distribution apparatus for a TSA adsorption column of claim 2, wherein: the upper end face of silk screen (12) evenly is provided with a plurality of backup pads (6), the lower extreme of backup pad (6) with the upper end face fixed connection of silk screen (12), the upper end of backup pad (6) is close to the inner wall of hemisphere head (18).
4. The overhead gas distribution apparatus for a TSA adsorption column of claim 2, wherein: silk screen (12) with the edge of air current distribution board (13) can dismantle the connection through retainer plate (7), lock ring (8), go-between (9), nut (10) and bolt (11) between the inner wall of hemisphere head (18), retainer plate (7) perpendicular to hemisphere head (18) inner curved surface welded fastening connects, the outer circumference of lock ring (8) with the lower extreme edge welded fastening of retainer plate (7) connects, the inward flange of go-between (9) and the edge fixed connection of air current distribution board (13), silk screen (12) are located air current distribution board (13) with the lower surface of go-between (9), clamping ring (17) are located the lower surface of silk screen (12) to be located under go-between (9), bolt (11) pass lock ring (8) go-between (9), The silk screen (12) and the pressing ring (17) are connected with the nut (10) in a threaded mode.
5. The overhead gas distribution apparatus for a TSA adsorption column of claim 2, wherein: the air distribution plate (13) is composed of a plurality of fan-shaped curved surface structures, through holes are distributed on each fan-shaped curved surface structure, a sealing strip (15) is arranged at the gap between every two adjacent fan-shaped curved surface structures, one side edge of the sealing strip (15) is fixedly connected with the upper end face of one fan-shaped curved surface structure, and the other side edge of the sealing strip (15) is sealed with the upper end face of the other fan-shaped curved surface structure through silicon rubber (19).
6. The overhead gas distribution apparatus for a TSA adsorption column of claim 2, wherein: manhole apron (14) constitute for two fan-shaped curved surface structures, two be provided with sealing strip (15) between the clearance of fan-shaped curved surface structure, one side and one of them of sealing strip (15) the up end welded fastening of fan-shaped curved surface structure is connected, terminal surface and another under the opposite side of sealing strip (15) the up end contact of fan-shaped curved surface structure.
7. The overhead gas distribution apparatus for a TSA adsorption column of claim 2, wherein: the manhole cover plate (14) is fixedly connected with the baffle plate (16) through a single-end stud (5), the lower end of the single-end stud (5) is fixedly connected with the upper end face of the manhole cover plate (14), and the upper end of the single-end stud (5) penetrates through the baffle plate (16) and then is in threaded connection with the nut (10).
8. The overhead gas distribution apparatus for a TSA adsorption column as claimed in claim 2 or 7, wherein: the baffle (16) is composed of two semicircular structures, the upper end face of the baffle (16) is provided with a handle (4), and the two semicircular upper end faces of the baffle (16) are both provided with the handle (4).
9. The overhead gas distribution apparatus for a TSA adsorption column of claim 5, wherein: after the air flow distribution plate (13) is divided into a plurality of fan-shaped curved surface structures, the connecting rings (9) are divided into a plurality of sections, and gaps among the connecting rings (9) in the plurality of sections are sealed by silicon rubber (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110590906.3A CN113509818A (en) | 2021-05-28 | 2021-05-28 | A top of a tower gas distribution device for TSA adsorption tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110590906.3A CN113509818A (en) | 2021-05-28 | 2021-05-28 | A top of a tower gas distribution device for TSA adsorption tower |
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| Publication Number | Publication Date |
|---|---|
| CN113509818A true CN113509818A (en) | 2021-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110590906.3A Pending CN113509818A (en) | 2021-05-28 | 2021-05-28 | A top of a tower gas distribution device for TSA adsorption tower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115382355A (en) * | 2022-09-22 | 2022-11-25 | 阳光氢能科技有限公司 | Gas washing device |
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2021
- 2021-05-28 CN CN202110590906.3A patent/CN113509818A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115382355A (en) * | 2022-09-22 | 2022-11-25 | 阳光氢能科技有限公司 | Gas washing device |
| CN115382355B (en) * | 2022-09-22 | 2023-11-28 | 阳光氢能科技有限公司 | Gas washing device |
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