CN112316672A - Washing tower for filtering tail gas - Google Patents
Washing tower for filtering tail gas Download PDFInfo
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- CN112316672A CN112316672A CN202011221502.9A CN202011221502A CN112316672A CN 112316672 A CN112316672 A CN 112316672A CN 202011221502 A CN202011221502 A CN 202011221502A CN 112316672 A CN112316672 A CN 112316672A
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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
- B01D53/14—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 absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
- B01D2252/10—Inorganic absorbents
- B01D2252/102—Ammonia
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2256/00—Main component in the product gas stream after treatment
- B01D2256/16—Hydrogen
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/50—Carbon oxides
- B01D2257/502—Carbon monoxide
Abstract
The application relates to a washing tower for filtering tail gas, which relates to the field of producing liquid ammonia and comprises a tower body, wherein the bottom of the tower body is provided with an air inlet, the top end of the tower body is provided with an air outlet, and the side wall of the tower body is provided with an air inlet and a liquid outlet close to the bottom of the tower body; a plurality of tower trays positioned below the liquid inlet are arranged in the tower body along the height direction of the tower body, a gas-liquid separation device close to the gas outlet is arranged in the tower body, and the gas-liquid separation device is positioned above the tower trays. This application utilizes the multilayer tower tray to filter the gas that gets into the tower body, combines gas-liquid separation device to separate gas and atomizing liquid for liquid can be retrieved and filter on the tower tray once more, thereby better improvement scrubbing tower is holistic filters efficiency, has ensured the purity of the hydrogen of producing to a certain extent, thereby has ensured the purity of the liquid ammonia of production, has ensured product quality.
Description
Technical Field
The application relates to the field of liquid ammonia production, in particular to a washing tower for filtered tail gas.
Background
Liquid ammonia is prepared by taking nitrogen and hydrogen as raw materials under the catalysis of a catalyst and under a high-temperature and high-pressure environment, wherein the hydrogen is generally prepared by utilizing the reaction among water, oxygen and coal. In the process of producing hydrogen, the generated gas usually contains carbon monoxide and carbon dioxide, and in order to ensure the purity of hydrogen, the generated gas is usually filtered to remove carbon monoxide and carbon dioxide in the mixed gas.
At present, related enterprises generally adopt a nitrogen washing tower to remove carbon monoxide, and the purpose of removing the carbon monoxide is achieved by introducing a liquid nitrogen washing liquid into the nitrogen washing tower and utilizing the absorption effect of the liquid nitrogen on the carbon monoxide. The existing nitrogen washing tower is generally welded with a plurality of trays in the tower to be used as a place for gas-liquid mass transfer, so that liquid nitrogen can absorb carbon monoxide on the trays, and the purpose of removing the carbon monoxide is realized.
In view of the above-described problems, the present inventors have found that a conventional nitrogen scrubber can achieve the purpose of removing carbon monoxide, but the overall efficiency is low, and that the carbon monoxide cannot be completely absorbed, and that the gas must be filtered by the nitrogen scrubber repeatedly.
Disclosure of Invention
In order to improve the filtration efficiency of a nitrogen washing tower, the application provides a filtration tail gas washing tower.
The application provides a filter tail gas scrubbing tower adopts following technical scheme:
a washing tower for filtering tail gas comprises a tower body, wherein the bottom of the tower body is provided with an air inlet, the top end of the tower body is provided with an air outlet, and the side wall of the tower body is provided with a liquid inlet and a liquid outlet close to the bottom of the tower body; a plurality of tower trays positioned below the liquid inlet are arranged in the tower body along the height direction of the tower body, a gas-liquid separation device close to the gas outlet is arranged in the tower body, and the gas-liquid separation device is positioned above the tower trays.
By adopting the technical scheme, the gas entering the tower body is filtered by utilizing the multilayer tower trays; at the in-process that gaseous orientation tower body gas outlet removed, because the tower body height is higher relatively, can carry a large amount of atomizing liquid in the gas, probably contain partial carbon monoxide in the liquid, utilize gas-liquid separation equipment to separate gaseous and atomizing liquid, make liquid can be retrieved and filter on the tower tray once more, thereby the holistic efficiency of filtering of better improvement scrubbing tower, the purity of the hydrogen of producing has been ensured to a certain extent, thereby the purity of the liquid ammonia of production has been ensured, product quality has been ensured.
Optionally, the tower tray includes the column plate, and the inside wall of tower body is equipped with a plurality of bracing pieces that are used for supporting the column plate, is equipped with the coupling assembling that is used for connecting bracing piece and column plate in the tower body.
Through adopting above-mentioned technical scheme, utilize coupling assembling to realize the dismantlement between bracing piece and the column plate and be connected, the staff of being convenient for maintains or changes the column tray.
Optionally, the connecting assembly includes a bolt, the support rod is provided with a connecting hole for inserting the bolt, and the tower plate is provided with a fixing hole matched with the connecting hole.
Through adopting above-mentioned technical scheme, utilize bolted connection bracing piece and column plate to realize the connection dismantled between column plate and the bracing piece.
Optionally, the tower plate is provided with a gas rising pipe and a bubble cap sleeved on the gas rising pipe, the inner side wall of the tower body is provided with a down-flow plate and an arc-shaped plate matched with the down-flow plate, and two circumferential side edges of the arc-shaped plate are connected to the down-flow plate;
the inner wall of the tower body is provided with a liquid receiving plate matched with the down-flow plate, the liquid receiving plate is provided with a liquid baffle plate, and the tower plate is positioned between the liquid receiving plate and the connecting plate.
Through adopting above-mentioned technical scheme, the washing liquid that gets into by the tower body inlet flows earlier on receiving the liquid board, and the liquid level of washing liquid can flow on the column plate when being higher than and keep off the liquid board, utilizes and keeps off liquid board and down the liquid board and make the washing liquid on the column plate can maintain certain liquid level to make the gas that flows through the gas-lift tube can fully contact with washing liquid, thereby the better gaseous purpose of filtering that reaches.
Optionally, the liquid receiving plate is provided with micropores.
Through adopting above-mentioned technical scheme, when the scrubbing tower stop work, the washing liquid accessible micropore that remains on receiving the liquid board is drained away, and the staff of being convenient for overhauls.
Optionally, the gas-liquid separation device comprises a gas-guiding pipe arranged in the tower body, a support ring connected to the inner peripheral side wall of the tower body is arranged at one end, far away from the gas outlet, of the gas-guiding pipe, a gas-guiding pipe sleeved on the gas-guiding pipe is arranged in the tower body, a blocking plate is arranged at one end, close to the gas outlet, of the gas-guiding pipe, a plurality of rib plates connected to the inner wall of the tower body are arranged at the outer periphery of the gas-guiding pipe;
the support ring is provided with a connecting pipe, and one end of the connecting pipe, which is far away from the support ring, is close to the tower tray.
Through adopting above-mentioned technical scheme, the gas that moves towards the gas outlet behind the tray can get into the air duct, and gas is when colliding the shutoff board, and the atomizing liquid that carries in the gas can fall on the supporting ring under the effect of self gravity blocking of shutoff board, and the liquid that deposits up on the supporting ring can flow on the tray through the connecting pipe to reach the purpose that the repetition is filtered, better improvement filters gaseous efficiency.
Optionally, the inner peripheral side wall of the air duct is provided with a plurality of baffles positioned between the air duct and the air entraining pipe.
Through adopting above-mentioned technical scheme, when gaseous clearance between bleed pipe and the air duct of process, gaseous can strike the baffle, utilizes the baffle can further make the atomized liquid in the gas fall on the supporting ring.
Optionally, a plurality of baffles are five-layer distribution along the direction of height of tower body, and every layer includes four baffles along tower body circumference evenly distributed, and adjacent upper and lower layer baffles stagger 90 ° each other.
Through adopting above-mentioned technical scheme, be favorable to gas and baffle abundant contact, better reach the purpose of collecting the liquid after the atomizing.
Optionally, a spherical crown baffle plate located below the gas guide pipe is arranged in the tower body, and a plurality of connecting ribs connected to the inner wall of the tower body are arranged on the spherical crown baffle plate.
Through adopting above-mentioned technical scheme, utilize the spherical crown baffle can carry out preliminary stopping to gas for liquid after the atomizing carries out preliminary whereabouts in spherical crown baffle department.
Optionally, a wire mesh demister close to the air outlet is arranged in the tower body.
By adopting the technical scheme, possible entrainment in the gas can be removed, and the purpose of filtering the gas is further achieved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the device has the advantages that the combination of the tower tray and the gas-liquid separation device is utilized, so that in the process that the gas moves from the gas inlet to the gas outlet, carbon monoxide in the gas can be completely removed, the overall filtering efficiency of the washing tower is improved, and the purity of the produced hydrogen is ensured to a certain extent, so that the purity of the produced liquid ammonia is ensured, and the product quality is ensured;
2. this application utilizes the effect that blocks of air duct and baffle to gas for atomized liquid that carries in the gas can drop on the backup ring, utilizes the takeover to discharge the tower tray on the liquid that will store up on the backup ring simultaneously, has realized the purpose to atomized liquid repeated filtration, thereby better reaching filtered gas's purpose, has ensured that the hydrogen of producing has higher purity.
Drawings
Fig. 1 is a schematic view of the overall structure of a filtration off-gas washing column according to example 1 of the present application.
Fig. 2 is a sectional view of a filtration off-gas washing column of example 1 of the present application.
Fig. 3 is a schematic diagram of the structure of the tray of example 1 of the embodiment of the present application.
Fig. 4 is a schematic structural view of a portion a in fig. 3.
Fig. 5 is a schematic structural view of a gas-liquid separation device in example 1 of the present application.
Fig. 6 is a schematic diagram of the structure of the tray of example 2 of the embodiment of the present application.
Fig. 7 is an exploded view of the pressure and liquid receiving plates of example 2 of the present application.
Fig. 8 is a schematic structural view of a stopper rod and a rotating bar according to embodiment 2 of the present application.
Description of reference numerals: 1. a tower body; 10. a wire mesh demister; 11. an air inlet; 12. an air outlet; 13. a liquid inlet; 14. a liquid discharge port; 141. a discharge port; 15. a manhole; 16. a liquid receiving plate; 161. micropores; 162. a liquid baffle; 163. a threaded hole; 17. a down-flow plate; 171. an arc-shaped plate; 172. a connecting plate; 173. a support bar; 18. a diameter section; 181. a spherical crown separator plate; 182. connecting ribs; 183. a support ring; 19. a diameter-changing section; 2. sealing the spherical cap; 3. a tray; 31. a column plate; 32. a gas lift pipe; 321. a connecting strip; 33. a blister; 4. a gas-liquid separation device; 41. a bleed pipe; 42. an extension ring; 43. an annular plate; 44. taking over a pipe; 5. an air duct; 51. a rib plate; 52. a plugging plate; 53. a baffle plate; 6. pressing the plate; 61. a slide bar; 611. a limiting cap; 62. rotating the rod; 621. a limiting rod; 622. a locking bar; 623. a tightening ring; 63. rotating the strip; 631. a connecting ring; 64. a sleeve; 7. a fixing strip; 71. a light bar section; 72. a threaded portion; 73. and (4) fixing the cap.
Detailed Description
The present application is described in further detail below with reference to figures 1-8.
The embodiment of the application discloses a filter tail gas washing tower.
Example 1
Referring to fig. 1, the washing tower comprises a tower body 1, wherein an air inlet 11 is formed at the bottom end of the tower body 1, an air outlet 12 is formed at the top end of the tower body 1, and a liquid inlet 13 and a liquid outlet 14 are formed in the side wall of the tower body 1. When the washing tower works, gas needing to be filtered enters the tower body 1 from the gas inlet 11 and is discharged out of the tower body 1 from the gas outlet 12, and washing liquid, namely liquid nitrogen, enters the tower body 1 from the liquid inlet 13 and is discharged out of the tower body 1 from the liquid outlet 14. The side wall of the tower body 1 is provided with a plurality of manholes 15 so that the working personnel can conveniently enter the tower body 1 for maintenance. Referring to fig. 2, a spherical cap seal head 2, a plurality of tower trays 3, a gas-liquid separation device 4 and a wire mesh demister 10 are sequentially arranged in a tower body 1 from bottom to top.
Referring to fig. 3, the gas inlet 11 is located below the tray 3, the inner wall of the tower body 1 is provided with a liquid receiving plate 16 used in cooperation with the tray 3, the arc-shaped edge of the liquid receiving plate 16 is attached to the inner wall of the tower body 1, and the liquid receiving plate 16 is provided with micropores 161 for exhausting the washing liquid accumulated on the liquid receiving plate 16 when the washing tower stops working. The liquid receiving plate 16 is vertically provided with a liquid baffle 162, and two ends of the liquid baffle 162 in the length direction are connected to the inner wall of the tower body 1. Be equipped with the down wash plate 17 that uses with the cooperation of fender liquid board 162 on the inner wall of tower body 1, down wash plate 17 length direction's both ends all are connected in the inner wall of tower body 1, and the side that down wash plate 17 deviates from fender liquid board 162 is equipped with curved arc 171, and arc 171 both sides limit in the circumference all is connected in down wash plate 17, and one side that down wash plate 17 deviates from arc 171 is equipped with connecting plate 172, and arc 171 and down wash plate 17 form the downcomer. The plurality of downcomers are distributed in a staggered manner, namely, one end of each downcomer, which is close to the bottom end of the tower body 1, is positioned above the next liquid receiving plate 16, and the end part of each downcomer, which is close to the bottom end of the tower body 1, is positioned above the spherical cap seal head. The washing liquid entering the tower 1 from the liquid inlet 13 flows onto the liquid receiving plate 16, and the liquid on the liquid receiving plate 16 flows onto the tray 3 after the liquid level is higher than the liquid baffle plate 162, and finally flows onto the next liquid receiving plate 16 through the downcomer. The bottom end of the tower body 1 is provided with a drain port 141 below the liquid discharge port 14 to discharge the cleaning liquid accumulated between the spherical cap seal head and the inner wall of the tower body 1.
Referring to fig. 3 and 4, tray 3 includes column plate 31, is equipped with a plurality of bracing pieces 173 on the inner wall of tower body 1, and bracing piece 173 chooses the angle steel for use in this application, and bracing piece 173 and column plate 31 pass through the bolt realization and can dismantle the connection to be convenient for the staff maintains or changes tray 3. The tower plate 31 is provided with a plurality of air-lift pipes 32, the air-lift pipes 32 are sleeved with bubble caps 33, the inner walls of the air-lift pipes 32 are provided with connecting strips 321, one ends of the connecting strips 321 extending out of the air-lift pipes 32 penetrate through the bubble caps 33 and are screwed with nuts, so that the bubble caps 33 can be fixed on the air-lift pipes 32. A gap is left between the outer side wall of the riser 32 and the inner side wall of the bubble cap 33. Gas entering the tower 1 from the gas inlet 11 will pass through the gas riser 32, the gap between the gas riser 32 and the row of bubble caps 33 and then move towards the gas outlet 12.
Referring to fig. 5, the tower body 1 is divided into a diameter section 18 and a diameter-variable section 19 connected with the diameter section 18, a spherical crown partition board 181 close to the diameter-variable section 19 is arranged in the diameter section 18, a plurality of connecting ribs 182 are arranged on the spherical crown partition board 181, and one end of each connecting rib 182, which is far away from the spherical crown partition board 181, is connected to the inner wall of the diameter section 18. The gas can hit the spherical cap baffle 181 in the rising process, and the atomized liquid carried in the gas can fall onto the tray 3 under the action of the self gravity due to the blocking of the spherical cap baffle 181, so that the repeated filtration can be carried out, and the possibility that the gas carries the atomized liquid to be discharged out of the washing tower is reduced.
Referring to fig. 5, one end of the diameter section 18 close to the diameter-changing section 19 is provided with a support ring 183, and the peripheral side wall of the support ring 183 is connected to the inner side wall of the tower body 1. The gas-liquid separation device 4 comprises a bleed air pipe 41 arranged in the reducing section 19, a conical expansion ring 42 is arranged at one end, close to the diameter section 18, of the bleed air pipe 41, the expansion ring 42 is connected with an annular plate 43, and the annular plate 43 is detachably connected with a support ring 183 through bolts. The annular plate 43 is provided with a connecting pipe 44, and one end of the connecting pipe 44 far away from the annular plate 43 is positioned above the liquid receiving plate 16 so as to introduce the liquid on the support ring 183 onto the liquid receiving plate 16.
Referring to fig. 5, an air guide tube 5 sleeved on the air guide tube 41 is arranged in the tower body 1, a plurality of rib plates 51 are arranged on the peripheral side wall of the air guide tube 5, and one ends of the rib plates 51 far away from the air guide tube 5 are connected to the inner wall of the tower body 1. One end of the air duct 5, which is far away from the air introducing pipe 41, is provided with a blocking plate 52 for blocking the air introducing pipe 41, and the blocking plate 52 is concave upwards to form an arc shape, so that the contact area between the blocking plate 52 and the air is increased. The interior circumference lateral wall of air duct 5 is equipped with a plurality of baffles 53, and a plurality of baffles 53 are five layers of distributions along air duct 5's axial, and every layer includes four baffles 53 and four baffles 53 along air duct 5's circumference evenly distributed, and two-layer baffles 53 stagger 90 mutually about adjacent, are favorable to gas and baffle 53 fully to contact for the atomized liquid that gas carried can with gas separation and fall down on lock ring 183.
The implementation principle of the embodiment 1 is as follows: when the washing tower works, the washing liquid flows onto the liquid receiving plate 16 from the liquid inlet 13 and then onto the tower plate 31, a certain amount of washing liquid is accumulated between the liquid baffle plate 162 and the down-flow plate 17, and when the liquid level of the washing liquid is higher than that of the down-flow plate 17, the washing liquid flows onto the next liquid receiving plate 16 through the down-flow pipe; gas enters the tower body 1 from the gas inlet 11 and is fully contacted with the washing liquid on the tower plate 31 through the gas riser 32, so that the washing liquid can absorb carbon monoxide in the gas; when gas flows through the gas-liquid separation device 4, atomized liquid carried in the gas falls onto the support ring 183 under the action of the blocking plate 52 and the baffle 53 and then flows into the liquid receiving plate 16 through the connecting pipe 44, so that the atomized liquid is filtered again, the possibility that the gas carries the atomized liquid to be discharged out of the tower body 1 is reduced, the discharged gas has higher purity, and the gas filtering efficiency is improved.
Example 2
Referring to fig. 6, the present embodiment is different from embodiment 1 in that: the two sides of the tower plate 31 are respectively positioned on the liquid receiving plate 16 and the connecting plate 172.
Referring to fig. 7 and 8, the liquid receiving plate 16 is provided with a pressing plate 6, the pressing plate 6 is connected with two sliding rods 61, the sliding rods 61 penetrate through the liquid receiving plate 16 and are connected with the liquid receiving plate 16 in a sliding manner, and the end parts of the sliding rods 61 are provided with limiting caps 611 positioned below the liquid receiving plate 16 to prevent the sliding rods 61 from separating from the liquid receiving plate 16.
Referring to fig. 7 and 8, two rotating rods 62 are disposed at two ends of the pressing plate 6 in the length direction, a limiting rod 621 is connected to the rotating rods 62, a locking bar 622 is disposed on the limiting rod 621, a locking hole for inserting the locking bar 622 is formed in the tower plate 31, and a pressing ring 623 for pressing against the tower plate 31 is sleeved on the locking bar 622. The limiting rod 621 is hinged with a rotating bar 63 through a connecting shaft, one end of the rotating bar 63, which is far away from the limiting rod 621, is provided with a connecting ring 631, and the two connecting rings 631 are sleeved on the same sleeve 64 and are both rotationally connected with the sleeve 64.
Referring to fig. 7 and 8, a fixing bar 7 is inserted into the sleeve 64, a fixing cap 73 is provided at an end of the fixing bar 7, and the fixing bar 7 is divided into a polish rod portion 71 connected to the fixing cap 73 and a screw portion 72 connected to the polish rod portion 71. The pressing plate 6 is provided with a relief hole for the fixing strip 7 to pass through, and the liquid receiving plate 16 is provided with a threaded hole 163 for the threaded portion 72 to insert.
The principle of the embodiment 2 is as follows: when needing to be changed tray 3 and maintaining, twist fixing strip 7 so that screw portion 72 of fixing strip 7 breaks away from screw hole 163, upward movement supports clamp plate 6 for locking strip 622 breaks away from the locking hole on column plate 31, through pulling fixing strip 7, rotates with driving two dwang 62, makes locking strip 622 keep away from the top of column plate 31, thereby the staff of being convenient for changes tray 3.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A filter tail gas scrubbing tower which is characterized in that: the tower comprises a tower body (1), wherein an air inlet (11) is formed in the bottom of the tower body (1), an air outlet (12) is formed in the top end of the tower body (1), a liquid inlet (13) and a liquid outlet (14) close to the bottom of the tower body (1) are formed in the side wall of the tower body (1); a plurality of tower trays (3) positioned below the liquid inlet (13) are arranged in the tower body (1) along the height direction of the tower body (1), a gas-liquid separation device (4) close to the gas outlet (12) is arranged in the tower body (1), and the gas-liquid separation device (4) is positioned above the tower trays (3).
2. A filtered tail gas scrubbing tower as defined in claim 1, wherein: tray (3) are equipped with a plurality of bracing pieces (173) that are used for supporting tray (31) including tray (31), the inside wall of tower body (1), are equipped with the coupling assembling that is used for connecting bracing piece (173) and tray (31) in tower body (1).
3. A filtered tail gas scrubbing tower as defined in claim 2, wherein: the connecting component comprises a bolt, a connecting hole for inserting the bolt is formed in the supporting rod (173), and a fixing hole matched with the connecting hole is formed in the tower plate (31).
4. A filtered tail gas scrubbing tower as defined in claim 2, wherein: a gas rising pipe (32) and a bubble cap (33) sleeved on the gas rising pipe (32) are arranged on the tower plate (31), a down-flow plate (17) and an arc-shaped plate (171) matched with the down-flow plate (17) are arranged on the inner side wall of the tower body (1), and two side edges of the arc-shaped plate (171) in the circumferential direction are connected to the down-flow plate (17);
the inner wall of the tower body (1) is provided with a liquid receiving plate (16) matched with the down-flow plate (17) for use, the liquid receiving plate (16) is provided with a liquid baffle plate (162), and the tower plate (31) is positioned between the liquid receiving plate (16) and the connecting plate (172).
5. A filtered tail gas washing tower according to claim 4, wherein: the liquid receiving plate (16) is provided with micropores (161).
6. A filtered tail gas scrubbing tower as defined in claim 1, wherein: the gas-liquid separation device (4) comprises a gas guide pipe (41) arranged in the tower body (1), one end, far away from the gas outlet (12), of the gas guide pipe (41) is provided with a support ring (183) connected to the inner peripheral side wall of the tower body (1), the tower body (1) is internally provided with a gas guide pipe (5) sleeved on the gas guide pipe (41), one end, close to the gas outlet (12), of the gas guide pipe (5) is provided with a plugging plate (52), the outer periphery of the gas guide pipe (5) is provided with a plurality of rib plates (51) connected to the inner wall of the tower body (1), and the inner diameter of the gas guide pipe (5);
the support ring (183) is provided with a connecting pipe (44), and one end of the connecting pipe (44) far away from the support ring (183) is close to the tray (3).
7. A filtered tail gas washing tower according to claim 6, wherein: and a plurality of baffle plates (53) positioned between the air guide pipe (5) and the air guide pipe (41) are arranged on the inner peripheral side wall of the air guide pipe (5).
8. A filtered tail gas scrubbing tower as defined in claim 7, wherein: a plurality of baffle (53) are five layers of distribution along the direction of height of tower body (1), and every layer includes along tower body (1) circumference evenly distributed's four baffle (53), and adjacent upper and lower floor baffle (53) stagger 90 mutually.
9. A filtered tail gas washing tower according to claim 6, wherein: the tower body (1) is internally provided with a spherical crown clapboard (181) which is positioned below the air guide pipe (41), and the spherical crown clapboard (181) is provided with a plurality of connecting ribs (182) which are connected with the inner wall of the tower body (1).
10. A filtered tail gas scrubbing tower as defined in claim 1, wherein: a wire mesh demister (10) close to the air outlet (12) is arranged in the tower body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011221502.9A CN112316672A (en) | 2020-11-05 | 2020-11-05 | Washing tower for filtering tail gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011221502.9A CN112316672A (en) | 2020-11-05 | 2020-11-05 | Washing tower for filtering tail gas |
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| CN112316672A true CN112316672A (en) | 2021-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011221502.9A Pending CN112316672A (en) | 2020-11-05 | 2020-11-05 | Washing tower for filtering tail gas |
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Application publication date: 20210205 |