CN211987897U

CN211987897U - Hydrochloric acid tail gas absorption device

Info

Publication number: CN211987897U
Application number: CN202020609979.3U
Authority: CN
Inventors: 王兴来; 任淑敏; 贾金凤
Original assignee: Cangzhou Julong Chemical Co ltd
Current assignee: Cangzhou Julong Chemical Co ltd
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2020-11-24
Anticipated expiration: 2030-04-22

Abstract

The utility model relates to the technical field of tail gas treatment, in particular to a hydrochloric acid tail gas absorption device which can improve the absorption treatment effect of hydrochloric acid in tail gas and avoid damaging the environment, workers and equipment; including the absorption tower, sealed lid, the intake pipe, the filter vat, the connecting pipe, the reposition of redundant personnel dish, the multiunit shunt tubes, the fluid-discharge tube, the multiunit back flow, the multiunit shower nozzle, the transfer pump, multiunit support column and base, sealed lid marginal area and absorption tower outer wall top do not are provided with two sets of flanges, two sets of flanges pass through bolt fixed connection, be provided with seal ring between two sets of flanges, the second region is provided with at a distance from the net in the filter vat, the filter vat intussuseption is filled with and filters the filler, be provided with ooff valve and transfer pump on the fluid-discharge tube, the multiunit shower nozzle is installed respectively at multiunit back flow output end department, and the multiunit shower nozzle all is located the absorption tower.

Description

Hydrochloric acid tail gas absorption device

Technical Field

The utility model relates to a technical field of tail gas treatment especially relates to a hydrochloric acid tail gas absorbing device.

Background

As is known, hydrochloric acid is a very important chemical agent, and in the production process of hydrochloric acid, since hydrochloric acid has certain volatility, the waste gas discharged in the production process contains a certain amount of hydrochloric acid, and the hydrochloric acid is directly discharged into the atmosphere, so that the factory facilities and equipment around a factory are damaged, and is easy to have adverse effect on the life of residents, influence the health and safety of workers and cause environmental pollution, therefore, it is necessary to absorb the hydrochloric acid-containing off-gas, and when the conventional hydrochloric acid-containing off-gas is absorbed, generally, the tail gas is introduced into absorption liquid, hydrochloric acid in the tail gas is absorbed by the absorption liquid, therefore, the exhausted tail gas is purified, but when the conventional tail gas absorption device is used, if the tail gas flow speed is high, the phenomenon of uneven treatment is easy to occur, and the tail gas treatment effect is poor.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a be not enough to prior art, the utility model provides a can improve the absorption treatment effect to hydrochloric acid in the tail gas, avoid causing the hydrochloric acid tail gas absorbing device of harm to environment and staff and equipment.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a hydrochloric acid tail gas absorption device comprises an absorption tower, a sealing cover, an air inlet pipe, a filter barrel, a connecting pipe, a flow distribution disc, a plurality of flow distribution pipes, a liquid discharge pipe, a plurality of backflow pipes, a plurality of spray heads, a transmission pump, a plurality of support columns and a base, wherein an absorption cavity is arranged in the absorption tower, a cleaning port is formed in the top of the absorption tower and communicated with the absorption cavity, two groups of flanges are respectively arranged in the edge area of the sealing cover and the top of the outer wall of the absorption tower and fixedly connected through bolts, a sealing gasket is arranged between the two groups of flanges, the filter barrel is internally provided with the filter cavity, a replacing port is formed in the top of the filter barrel and communicated with the filter cavity, the filter barrel is detachably arranged at the bottom of the sealing cover, a separation net is arranged in the lower area of the filter barrel, filter fillers are filled in the filter barrel, the connecting pipe both ends communicate with lauter tub bottom and reposition of redundant personnel top respectively, the multiunit shunt tubes all communicates with reposition of redundant personnel top, multiunit support column both ends are connected with absorption tower bottom and base top respectively, fluid-discharge tube and absorption tower bottom intercommunication to be provided with ooff valve and transmission pump on the fluid-discharge tube, multiunit back flow both ends communicate with fluid-discharge tube and absorption tower respectively, the multiunit shower nozzle is installed respectively in multiunit back flow output department to the multiunit shower nozzle all is located the absorption tower, be provided with the inlet port on the sealed lid, intake pipe output fixed mounting is in inlet port department, the first regional intercommunication of absorption tower is provided with outlet duct and liquid feeding pipe.

Specifically, the mode that connecting pipe bottom and flow distribution disc are connected is rotatable coupling, the flow distribution disc top is provided with the fixed orifices, connecting pipe bottom is located fixed orifices department to be provided with first mechanical seal between connecting pipe and fixed orifices inner wall.

The utility model discloses a shunt plate edge region is provided with the insection corresponding with conical gear to conical gear and the meshing of shunt plate edge region.

The device comprises a plurality of groups of supporting rods and a plurality of groups of supporting wheels, wherein two ends of each group of supporting rods are respectively connected with the bottom of the corresponding group of supporting wheels and the bottom of the corresponding absorption tower, and the plurality of groups of supporting wheels are all in contact with the bottom of the corresponding flow distribution plate.

The device comprises a collecting cover and a plurality of groups of lifting rings, wherein the collecting cover is arranged at the input end of the air inlet pipe, the plurality of groups of lifting rings are arranged on the outer wall of the collecting cover, and an air pump is arranged in the air inlet pipe.

The lifting device comprises a movable plate, a plurality of groups of lifting ropes and a plurality of groups of lifting rings, wherein the two ends of each group of lifting rope are connected with the bottom of the movable plate and the corresponding group of lifting rings respectively.

The movable ring is mounted at the top of the movable plate, and the guide shaft penetrates through the movable ring and is provided with two groups of fixing seats at two ends of the guide shaft respectively.

The steel ball guide device comprises a guide shaft, and is characterized by further comprising a plurality of groups of steel balls, wherein a plurality of groups of arc-shaped grooves are formed in the inner wall of the moving ring, the steel balls are respectively located in the arc-shaped grooves, and the steel balls are all in contact with the outer wall of the guide shaft.

(III) advantageous effects

Compared with the prior art, the utility model provides a hydrochloric acid tail gas absorbing device possesses following beneficial effect: the absorption liquid is guided into the absorption tower through the liquid inlet pipe, the transmission pump is powered on and started, the absorption liquid in the absorption tower enters the liquid discharge pipe and flows back through a plurality of groups of backflow pipes, and is sprayed out through a plurality of groups of spray heads and is uniformly distributed in the absorption tower, the tail gas to be treated is guided into the filter barrel through the air inlet pipe, the tail gas is filtered through the filter filler in the filter barrel, the impurities in the tail gas can be filtered through the filter filler and are separated in the filter barrel, the impurity content in the tail gas entering the absorption tower is reduced, the tail gas after treatment enters the splitter disc through the connecting pipe, and is split-discharged through the multi-group flow pipe, so that the tail gas is fully dispersed in the absorption tower, the tail gas is in countercurrent full contact with the atomized absorption liquid, the absorption treatment effect on hydrochloric acid in the tail gas can be improved, and the treated tail gas is discharged through the air outlet pipe, avoid causing the harm to environment and staff and equipment to can regularly open the ooff valve, change the absorption liquid in the absorption tower, when needs are cleared up absorption tower inside, can pull down the multiunit bolt, make two sets of flange separation, conveniently clear up absorption tower inside, when sealed lid of through two sets of flange joint and absorption tower, can improve the leakproofness between it through seal ring.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a partial sectional view of the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

FIG. 4 is a schematic view of the engagement of the shift ring, guide shaft and steel ball;

in the drawings, the reference numbers: 1. an absorption tower; 2. a sealing cover; 3. an air inlet pipe; 4. a filter vat; 5. a connecting pipe; 6. a diverter tray; 7. a shunt tube; 8. a liquid discharge pipe; 9. a return pipe; 10. a spray head; 11. a transfer pump; 12. a support pillar; 13. a base; 14. a flange; 15. a bolt; 16. a sealing gasket; 17. separating the net; 18. filtering the filler; 19. an air outlet pipe; 20. a liquid feeding pipe; 21. a first mechanical seal; 22. a motor; 23. a speed reducer; 24. a drive shaft; 25. a bevel gear; 26. a support bar; 27. a support wheel; 28. a collection hood; 29. a hoisting ring; 30. an air pump; 31. a lifting rope; 32. moving the plate; 33. a moving ring; 34. a guide shaft; 35. and (5) steel balls.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the hydrochloric acid tail gas absorption apparatus of the present invention fixes the positions of two sets of fixing bases, thereby fixing the position of the guiding shaft 34, when in use, the absorption liquid is introduced into the absorption tower 1 through the liquid inlet pipe, and the transmission pump 11 is powered on and started, the absorption liquid in the absorption tower 1 enters the liquid discharge pipe 8 and flows back through the multiple sets of return pipes 9, and finally is sprayed out through the multiple sets of spray heads 10, and is uniformly distributed in the absorption tower 1, and the absorption cover is pulled, so that the multiple sets of lifting ropes 31 drive the moving plate 32 to move, and the position of the absorption cover can be conveniently adjusted by moving the moving ring 33 along the guiding shaft 34, when the moving ring 33 moves left and right along the guiding shaft 34, the friction force between the moving ring 33 can be reduced by rolling of the multiple sets of steel balls 35, which facilitates the moving ring 33 to move left and right along the guiding shaft 34, and the, the tail gas to be treated is guided into the filter barrel 4 through the air inlet pipe 3 under the action of the air pump 30, the tail gas is filtered through the filter filler 18 in the filter barrel 4, impurities in the tail gas can be filtered through the filter filler 18 and blocked in the filter barrel 4, the content of the impurities in the tail gas entering the absorption tower 1 is reduced, the tail gas enters the diverter disc 6 through the connecting pipe 5, and is finally discharged in a shunting manner through the multi-component flow pipe 7, the motor 22 can be electrified and started, the transmission shaft 24 drives the bevel gear 25 to rotate after the power output by the motor 22 is reduced through the speed reducer 23, the bevel gear 25 is meshed with the insection on the outer wall of the diverter disc 6, so that the diverter disc 6 is driven to rotate when the bevel gear 25 rotates, the tail gas can be fully dispersed in the absorption tower 1, and the tail gas is fully contacted with the atomized absorption liquid in a countercurrent manner, thereby can improve the absorption treatment effect to hydrochloric acid in the tail gas, when flow distribution plate 6 rotates, can play certain supporting role to flow distribution plate 6 through multiunit bracing piece 26 and multiunit supporting wheel 27, tail gas after the processing passes through outlet duct 19 and discharges, avoid causing the harm to environment and staff and equipment, and can regularly open the ooff valve, change the absorption liquid in absorption tower 1, when needs are cleared up absorption tower 1 inside, can pull down multiunit bolt 15, make two sets of flanges 14 separation, conveniently clear up absorption tower 1 inside, when sealing lid 2 and absorption tower 1 are connected through two sets of flanges 14, can improve the leakproofness between it through seal ring 16. When the absorption liquid does not need to be replaced, the liquid inlet pipe needs to be kept in a closed state, and the absorption liquid is not added into the liquid inlet pipe any more.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A hydrochloric acid tail gas absorption device is characterized by comprising an absorption tower (1), a sealing cover (2), an air inlet pipe (3), a filter barrel (4), a connecting pipe (5), a flow distribution disc (6), a plurality of flow distribution pipes (7), a liquid discharge pipe (8), a plurality of return pipes (9), a plurality of spray heads (10), a transmission pump (11), a plurality of support columns (12) and a base (13), wherein an absorption cavity is arranged in the absorption tower (1), a cleaning port is formed in the top of the absorption tower (1) and communicated with the absorption cavity, two groups of flanges (14) are respectively arranged in the edge area of the sealing cover (2) and the top of the outer wall of the absorption tower (1), the two groups of flanges (14) are fixedly connected through bolts (15), a sealing gasket (16) is arranged between the two groups of flanges (14), the filter cavity is arranged in the filter barrel (4), and a replacing port is formed in the top of, the replacement port is communicated with the filter cavity, the filter barrel (4) is detachably arranged at the bottom of the sealing cover (2), a separation net (17) is arranged in the lower half area in the filter barrel (4), the filter filler (18) is filled in the filter barrel (4), a distribution cavity is arranged in the distribution disc (6), two ends of the connecting pipe (5) are respectively communicated with the bottom of the filter barrel (4) and the top of the distribution disc (6), the multiple groups of distribution pipes (7) are respectively communicated with the top of the distribution disc (6), two ends of the multiple groups of supporting columns (12) are respectively connected with the bottom of the absorption tower (1) and the top of the base (13), the liquid discharge pipe (8) is communicated with the bottom of the absorption tower (1), a switch valve and a transmission pump (11) are arranged on the liquid discharge pipe (8), two ends of the multiple groups of return pipes (9) are respectively communicated with the liquid discharge pipe (8) and the absorption tower (1), and the multiple groups of spray heads (10) are respectively arranged, and a plurality of groups of spray heads (10) are all positioned in the absorption tower (1), an air inlet is arranged on the sealing cover (2), the output end of the air inlet pipe (3) is fixedly arranged at the air inlet, and the upper half area of the absorption tower (1) is communicated with an air outlet pipe (19) and a liquid feeding pipe (20).

2. The hydrochloric acid tail gas absorption device according to claim 1, characterized in that the bottom end of the connecting pipe (5) is rotatably connected with the splitter disc (6), the top of the splitter disc (6) is provided with a fixing hole, the bottom end of the connecting pipe (5) is located at the fixing hole, and a first mechanical sealing element (21) is arranged between the connecting pipe (5) and the inner wall of the fixing hole.

3. The hydrochloric acid tail gas absorption device according to claim 2, further comprising a motor (22), a speed reducer (23), a transmission shaft (24) and a bevel gear (25), the motor (22) is arranged at the input end of the speed reducer (23), the speed reducer (23) is arranged at the bottom of the absorption tower (1), the transmission shaft (24) is positioned in the absorption tower (1), the bottom end of the transmission shaft (24) penetrates through the bottom of the absorption tower (1) and is connected with the output end of the speed reducer (23), a second mechanical sealing element is arranged at the contact position of the transmission shaft (24) and the bottom of the absorption tower (1), the bevel gear (25) is arranged on the top of the transmission shaft (24), the edge area of the diverter disc (6) is provided with insections corresponding to the bevel gear (25), and the bevel gear (25) is meshed with the edge area of the diverter disc (6).

4. The hydrochloric acid tail gas absorption device according to claim 3, further comprising multiple sets of support rods (26) and multiple sets of support wheels (27), wherein two ends of the multiple sets of support rods (26) are respectively connected with the multiple sets of support wheels (27) and the bottom of the absorption tower (1), and the multiple sets of support wheels (27) are in contact with the bottom of the diversion tray (6).

5. The hydrochloric acid tail gas absorption device according to claim 4, further comprising a collection cover (28) and a plurality of sets of hanging rings (29), wherein the collection cover (28) is installed at the input end of the air inlet pipe (3), the plurality of sets of hanging rings (29) are all installed on the outer wall of the collection cover (28), and the air inlet pipe (3) is provided with an air pump (30).

6. The hydrochloric acid tail gas absorption device according to claim 5, further comprising a plurality of sets of lifting ropes (31) and a moving plate (32), wherein two ends of the plurality of sets of lifting ropes (31) are respectively connected with the bottom of the moving plate (32) and the plurality of sets of lifting rings (29).

7. The hydrochloric acid tail gas absorption device according to claim 6, further comprising a moving ring (33) and a guide shaft (34), wherein the moving ring (33) is installed on the top of the moving plate (32), the guide shaft (34) penetrates through the moving ring (33), and two sets of fixing seats are respectively arranged at two ends of the guide shaft (34).

8. The hydrochloric acid tail gas absorption device according to claim 7, further comprising a plurality of sets of steel balls (35), wherein a plurality of sets of arc-shaped grooves are arranged on the inner wall of the moving ring (33), the plurality of sets of steel balls (35) are respectively located in the plurality of sets of arc-shaped grooves, and the plurality of sets of steel balls (35) are all in contact with the outer wall of the guide shaft (34).