CN214635221U - High-efficient hydrogen chloride tail gas absorbing device - Google Patents
High-efficient hydrogen chloride tail gas absorbing device Download PDFInfo
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- CN214635221U CN214635221U CN202023269318.XU CN202023269318U CN214635221U CN 214635221 U CN214635221 U CN 214635221U CN 202023269318 U CN202023269318 U CN 202023269318U CN 214635221 U CN214635221 U CN 214635221U
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Abstract
The utility model relates to a high-efficient hydrogen chloride tail gas absorbing device belongs to tail gas treatment technical field. Comprises a first absorption tank, a second absorption tank and a water pumping mechanism; a spraying water outlet mechanism is arranged in the first absorption tank, the bottom of the first absorption tank is rotatably connected with a hollow shaft, and the top of the first absorption tank is provided with an exhaust pipe; the lower end of the hollow shaft is provided with a driving mechanism, the upper end of the hollow shaft extends into the first absorption tank and is connected with a rotating rod, the hollow shaft is provided with a tail gas exhaust mechanism, and the upper end of the rotating rod is connected with an exhaust mechanism; the bottom of the second absorption tank is rotatably connected with a lower hollow rod, the lower hollow rod and the hollow shaft are transmitted through a transmission mechanism, the upper end of the lower hollow rod extends into the second absorption tank and is fixedly provided with an upper hollow rod, the outer wall of the upper hollow rod is provided with an air outlet mechanism, the upper end of the upper hollow rod is rotatably connected with the tail end of an exhaust pipe, and the outer wall of the lower hollow rod is provided with a sewage discharge mechanism; the water pumping mechanism is respectively connected with the spraying water outlet mechanism and the second absorption tank. The device can fully absorb the hydrogen chloride tail gas.
Description
Technical Field
The utility model relates to a high-efficient hydrogen chloride tail gas absorbing device belongs to tail gas treatment technical field.
Background
Hydrogen chloride, a corrosive non-combustible gas, does not react with water but is readily soluble in water, often present in the air in the form of hydrochloric acid fumes. Is easy to dissolve in ethanol and ether, and can also dissolve in other various organic matters; readily soluble in water, 1 volume of water dissolves 503 volumes of hydrogen chloride gas at 25 ℃ and 1 atmosphere.
Along with the rapid development of industries such as chlor-alkali, polyvinyl chloride and the like in China, the purification treatment of hydrogen chloride tail gas in the production process is more and more concerned by people. However, most of the existing hydrogen chloride tail gas treatment equipment still adopts a foam tower absorption process, and has the disadvantages of low hydrogen chloride absorption efficiency, high consumption of subsequent neutralization treatment alkali liquor and the like, so that the waste of hydrogen chloride, hydrochloric acid and alkali liquor is caused, and the environmental pollution is caused.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a high-efficient hydrogen chloride tail gas absorbing device.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
a high-efficiency hydrogen chloride tail gas absorption device comprises a first absorption tank, a second absorption tank and a water pumping mechanism; the inner wall of the upper part of the first absorption tank is fixedly provided with a baffle, a spraying water outlet mechanism is arranged below the baffle, the bottom of the first absorption tank is provided with a support structure and a liquid discharge pipe and is rotatably connected with a hollow shaft, and the top of the first absorption tank is provided with an exhaust pipe; the lower end of the hollow shaft is provided with a driving mechanism for driving the hollow shaft to rotate, the upper end of the hollow shaft extends into the first absorption tank and is connected with a rotating rod, the hollow shaft is provided with a tail gas exhaust mechanism, and the upper end of the rotating rod penetrates through the baffle and is connected with an exhaust mechanism;
the bottom of the second absorption tank is provided with a fixed supporting structure, the bottom of the second absorption tank is rotatably connected with a lower hollow rod, the lower hollow rod and the hollow shaft are driven by a transmission mechanism, the upper end of the lower hollow rod extends into the second absorption tank and is fixedly provided with an upper hollow rod, the outer wall of the upper hollow rod is provided with an air outlet mechanism, the upper end of the upper hollow rod is rotatably connected with the tail end of an exhaust pipe, the outer wall of the lower hollow rod is provided with a sewage discharge mechanism, the upper end of the second absorption tank is provided with a feed hopper, the discharge port of the feed hopper on the second absorption tank is provided with a device cavity, and the device cavity is internally provided with an opening and closing mechanism;
the water pumping mechanism is respectively connected with the spraying water outlet mechanism and the second absorption tank.
Furthermore, the spraying water outlet mechanism comprises a plurality of rings of annular pipes fixed in the first absorption tank, the annular pipes are communicated with each other, and a plurality of atomizing nozzles are circumferentially arranged at equal intervals at the bottom of the annular pipes.
Furthermore, the driving mechanism comprises a motor, a first bevel gear and a second bevel gear, the tail end of an output shaft of the motor is connected with the first bevel gear, and the second bevel gear is fixed on the outer wall of the bottom of the hollow shaft and meshed with the first bevel gear.
Furthermore, the tail gas discharge mechanism comprises a plurality of stirring blades fixed on the outer wall of the hollow shaft, a tail gas discharge pipe communicated with the hollow shaft is arranged on the side wall of each stirring blade, and a plurality of air outlet holes are formed in the side wall of each tail gas discharge pipe.
Furthermore, exhaust mechanism is including setting up the device groove in the baffle upper end, and the bottom in device groove is equipped with first gas outlet, and the device inslot is equipped with the carousel, the bottom of carousel with the upper end of bull stick is connected, be equipped with the second gas outlet that corresponds with first gas outlet on the carousel.
Further, drive mechanism is including fixing the first belt pulley on the outer wall of quill shaft and fixing the second belt pulley on the outer wall of cavity pole down, the cover is equipped with the belt on first belt pulley and the second belt pulley.
Further, the mechanism of giving vent to anger is including fixing the stirring board on last cavity pole outer wall, the outer wall of stirring board is equipped with the outlet duct with last cavity pole intercommunication, the lateral wall of outlet duct is equipped with a plurality of ventholes.
Further, sewage discharging mechanism includes that the scraper blade, soil pick-up branch pipe, soil pick-up are responsible for and the dredge pump, and the scraper blade is located on the outer wall of cavity pole down and laminate with second absorption tank bottom inner wall, the outer wall of scraper blade be fixed with the soil pick-up branch pipe of cavity pole intercommunication down, the one end that the soil pick-up was responsible for is connected with cavity pole bottom rotation down, and the other end is connected with the dredge pump.
Further, the opening and closing mechanism comprises a rotating plate arranged in the device cavity, the outer wall of the upper hollow rod is fixedly connected with the rotating plate, and an opening matched with the discharge port of the feed hopper is formed in the rotating plate.
Further, the water pumping mechanism comprises a water pump, the water outlet end of the water pump is connected with a water outlet pipe, the tail end of the water outlet pipe is communicated with the spraying water outlet mechanism, and a branch pipe extending into the second absorption tank is arranged on the water outlet pipe.
Advantageous effects
1. Through setting up tail gas discharge mechanism, can be with the even aqueous solution of the first absorption tank of the income of tail gas, can cut into pieces the bubble that gets into aqueous solution through the stirring leaf that sets up to obtain better dissolving effect.
2. Through setting up out water mechanism, can produce the spraying, will follow the tail gas further absorption that overflows in the aqueous solution, go out water mechanism top and be equipped with exhaust mechanism, can realize intermittent type nature exhaust to the spraying time that the gas that makes overflow received is more of a specified duration.
3. Through setting up closing mechanism and mechanism of giving vent to anger, can be automatic add calcium oxide powder in the second absorption tank, mix with the aqueous solution and become alkaline solution, further absorb hydrogen chloride tail gas, absorb abundant, effectual.
4. Through setting up blowdown mechanism, can regularly discharge the waste material that deposits in second absorption tank bottom, guarantee the efficient and absorb.
Drawings
Fig. 1 is a schematic structural diagram of a high-efficiency hydrogen chloride tail gas absorption device according to the present invention;
FIG. 2 is a schematic top view of a baffle of the high efficiency hydrogen chloride tail gas absorption apparatus of the present invention;
FIG. 3 is a schematic bottom view of the ring-shaped tube of the high efficiency hydrogen chloride tail gas absorption apparatus of the present invention;
FIG. 4 is a schematic view of the opening and closing mechanism of the high-efficiency hydrogen chloride tail gas absorption device of the present invention;
wherein, 1-a first absorption tank, 2-a sewage suction branch pipe, 3-a scraper, 4-a branch pipe, 5-an air outlet pipe, 6-a lower hollow rod, 7-a second belt pulley, 8-a first belt pulley, 9-a sewage suction main pipe, 10-a sewage pump, 11-a stirring plate, 12-a second absorption tank, 13-an upper hollow rod, 14-a rotating plate, 15-a feed hopper, 16-a water pump, 17-a belt, 18-a supporting leg, 19-a second bevel gear, 20-a first bevel gear, 21-a motor, 22-a liquid discharge pipe, 23-a tail gas discharge pipe, 24-a stirring blade, 25-a hollow shaft, 26-a rotating rod, 27-an atomizing nozzle, 28-an annular pipe, 29-a rotating disc, 30-a baffle, 31-a water outlet pipe, 32-exhaust pipe, 33-second air outlet, 34-opening and 35-device cavity.
Detailed Description
The present invention will be described in further detail with reference to specific examples.
As shown in fig. 1-4, a high-efficiency hydrogen chloride tail gas absorption device comprises a first absorption tank 1 and a second absorption tank 12, a plurality of support legs 18 are fixed at the bottom of the first absorption tank 1, a hollow shaft 25 is rotatably connected at the bottom of the first absorption tank 1, the upper end of the hollow shaft 25 extends into the first absorption tank 1 and is connected with a tail gas discharge mechanism, the tail gas discharge mechanism comprises a plurality of stirring blades 24 fixed on the outer wall of the hollow shaft 25, a tail gas discharge pipe 23 communicated with the hollow shaft 25 is arranged on the side wall of each stirring blade 24, a plurality of gas outlet holes are arranged on the side wall of each tail gas discharge pipe 23, hydrogen chloride tail gas enters through the bottom end of the hollow shaft 25 and is discharged into an aqueous solution in the first absorption tank 1 through the gas outlet holes of the plurality of tail gas discharge pipes 23, and the aqueous solution can rapidly absorb hydrogen chloride tail gas.
The bottom of the first absorption tank 1 is provided with a liquid discharge pipe 22, the bottom of the hollow shaft 25 is provided with a driving mechanism for driving the hollow shaft 25 to rotate, the driving mechanism comprises a motor 21 arranged on the side wall of the supporting leg 18, the tail end of an output shaft of the motor 21 is fixed with a first bevel gear 20, the outer wall of the bottom of the hollow shaft 25 is fixed with a second bevel gear 19 meshed with the first bevel gear 20, the motor 21 is started to drive the first bevel gear 20 to rotate, the first bevel gear 20 drives the second bevel gear 19 to rotate, and the second bevel gear 19 drives the hollow shaft 25 to rotate.
The upper end fixedly connected with bull stick 26 of quill shaft 25, the upper portion inner wall of first absorption tank 1 is fixed with baffle 30, the upper end of bull stick 26 runs through baffle 30 and is connected with exhaust mechanism, exhaust mechanism is including setting up the device groove in baffle 30 upper end, the upper end of bull stick 26 is fixed with the carousel 29 that is located the device inslot, the bottom in device groove is equipped with first gas outlet, be equipped with the second gas outlet 33 that corresponds with first gas outlet on the carousel 29, quill shaft 25 drives bull stick 26 and rotates, bull stick 26 drives carousel 29 and rotates, when first gas outlet corresponds with second gas outlet 33, absorb incomplete tail gas and discharge, the switching of second gas outlet 33 intermittent type, realize that tail gas stays the time of more being of a specified duration in first absorption pipe 1 and adsorb.
The bottom of second absorption tank 12 is fixed with many spinal branchs post, the bottom of second absorption tank 12 is rotated and is connected with down well hollow rod 6, through the drive mechanism transmission between well hollow rod 6 and quill shaft 25 down, drive mechanism is including fixing the first belt pulley 8 on the quill shaft 25 outer wall, the outer wall of well hollow rod 6 is fixed with second belt pulley 7 down, the cover is equipped with belt 17 between first belt pulley 8 and second belt pulley 7, quill shaft 25 pivoted drives first belt pulley 8 simultaneously and rotates, it rotates to drive second belt pulley 7 through belt 17, thereby it rotates simultaneously with last well hollow rod 13 to drive well hollow rod 6 down.
The upper end of cavity pole 6 extends to in the second absorption tank 12 down and is fixed with cavity pole 13 in, the outer wall of going up cavity pole 13 is provided with air outlet mechanism, air outlet mechanism is including fixing the stirring board 11 on last cavity pole 13 outer wall, the outer wall of stirring board 11 is equipped with the outlet duct 5 that communicates with last cavity pole 13, the lateral wall of outlet duct 5 is equipped with a plurality of ventholes, the tail gas that is not absorbed by first absorption tank 1 passes through blast pipe 32 and gets into in the cavity pole 13, the rethread outlet duct 5 is discharged and is carried out neutralization reaction in the alkaline solution.
The outer wall of cavity pole 6 is equipped with sewage mechanism down, sewage mechanism is including installing dredge pump 10 on the support column lateral wall, dredge pump 10 is connected with the dirt absorption person in charge 9, the dirt absorption person in charge 9 end is rotated with cavity pole 6 bottoms down and is connected, the outer wall of cavity pole 6 is fixed with the scraper blade 3 with the laminating of second adsorption tank 12 bottoms down, the outer wall of scraper blade 3 is fixed with the dirt absorption branch pipe 2 with cavity pole 6 intercommunication down, pile up the sediment in second adsorption tank 12 bottoms and pass through scraper blade 3 clearance, start dredge pump 10, inhale through the sewage branch pipe with the sediment of 3 one sides of scraper blade, through cavity pole 6 down, finally discharge through sewage discharge person in charge 9. The second absorption tank 12 discharges sewage in a non-operation state, and the washing function is realized.
The top of first absorption tank 1 is provided with outlet duct 32, the end of outlet duct 32 rotates with the upper end of last cavity pole 13 and is connected, the upper end of second absorption tank 12 is equipped with feeder hopper 15, the upper end of second absorption tank 12 is equipped with the device chamber 35 with feeder hopper 15 discharge gate intercommunication, be equipped with the on-off mechanism in the device chamber 35, the on-off mechanism is including setting up the commentaries on classics board 14 in device chamber 35, the outer wall and the commentaries on classics board 14 fixed connection of last cavity pole 13, be equipped with on the commentaries on classics board 14 with feeder hopper 15 discharge gate complex opening 34, last cavity pole 13 drives commentaries on classics board 14 and rotates, when opening 34 on the commentaries on classics board 14 rotates to coincide with feeder hopper 15 discharge gate, the calcium oxide powder falls into second absorption tank 12 and mixes with water, the timely volume of supplementary alkaline solution of material loading process of intermittent type.
The side wall of the first absorption tank 1 is provided with a water pumping mechanism, the water pumping mechanism comprises a water pump 16 arranged on the outer wall of the first absorption tank 1, the water outlet end of the water pump 16 is connected with a water outlet pipe 31, the tail end of the water outlet pipe 31 is communicated with the annular pipe 28, and the side wall of the water outlet pipe 31 is provided with a branch pipe 4 extending into the second absorption tank 12.
When the device is used, hydrogen chloride tail gas enters through the bottom end of the hollow shaft 25 and is discharged into the aqueous solution in the first absorption tank 1 through the air outlet holes of the tail gas discharge pipes 23, the aqueous solution can rapidly absorb the hydrogen chloride tail gas, the starting motor 21 drives the first bevel gear 20 to rotate, the first bevel gear 20 drives the second bevel gear 19 to rotate, the second bevel gear 19 drives the hollow shaft 25 to rotate, the hollow shaft 25 drives the stirring blades 24 to rotate, so that the hydrogen chloride tail gas entering the aqueous solution stays in water for a longer time, the tail gas entering the water solution as bubbles is sheared into pieces through centrifugal force, the water pump 16 is started at the same time, the water is pumped into the water outlet pipe 31 and then enters the annular pipes 28, and finally the water is atomized and sprayed out through the atomizing nozzles 27, on one hand, the amount of the aqueous solution is supplemented, on the other hand, the overflowed tail gas is fully absorbed by the atomized water, the hollow shaft 25 drives the rotating rod 26 to rotate, the rotating rod 26 drives the rotating disk 29 to rotate, when the first air outlet corresponds to the second air outlet 33, the tail gas which is incompletely absorbed is discharged, and the second air outlet 33 is intermittently opened and closed, so that the tail gas is absorbed in the first absorption pipe 1 for a longer time.
In summary, the present invention includes but is not limited to the above embodiments, and any equivalent substitutions or partial modifications made under the spirit and principle of the present invention are considered to be within the protection scope of the present invention.
Claims (10)
1. The utility model provides a high-efficient hydrogen chloride tail gas absorbing device which characterized in that: comprises a first absorption tank (1), a second absorption tank (12) and a water pumping mechanism; wherein a baffle (30) is fixed on the inner wall of the upper part of the first absorption tank (1), a spraying water outlet mechanism is arranged below the baffle (30), a supporting structure and a liquid discharge pipe (22) are arranged at the bottom of the first absorption tank (1) and are rotatably connected with a hollow shaft (25), and an exhaust pipe (32) is arranged at the top of the first absorption tank (1); the lower end of the hollow shaft (25) is provided with a driving mechanism for driving the hollow shaft (25) to rotate, the upper end of the hollow shaft (25) extends into the first absorption tank (1) and is connected with a rotating rod (26), the hollow shaft (25) is provided with a tail gas exhaust mechanism, and the upper end of the rotating rod (26) penetrates through the baffle (30) and is connected with an exhaust mechanism;
a fixed supporting structure is arranged at the bottom of the second absorption tank (12), a lower hollow rod (6) is rotatably connected to the bottom of the second absorption tank (12), the lower hollow rod (6) is in transmission with the hollow shaft (25) through a transmission mechanism, the upper end of the lower hollow rod (6) extends into the second absorption tank (12) and is fixed with an upper hollow rod (13), an air outlet mechanism is arranged on the outer wall of the upper hollow rod (13), the upper end of the upper hollow rod (13) is rotatably connected with the tail end of an exhaust pipe (32), a sewage discharge mechanism is arranged on the outer wall of the lower hollow rod (6), a feed hopper (15) is arranged at the upper end of the second absorption tank (12), a device cavity (35) is arranged at the discharge port of the feed hopper (15) on the second absorption tank (12), and an opening and closing mechanism is arranged in the device cavity (35);
the water pumping mechanism is respectively connected with the spraying water outlet mechanism and the second absorption tank (12).
2. The high-efficiency hydrogen chloride tail gas absorption device as claimed in claim 1, wherein: the spraying water outlet mechanism comprises a plurality of rings of annular pipes (28) fixed in the first absorption tank (1), wherein the annular pipes (28) are communicated with each other, and a plurality of atomizing nozzles (27) are circumferentially arranged at equal intervals at the bottom of the annular pipes.
3. The high-efficiency hydrogen chloride tail gas absorption device as claimed in claim 1, wherein: the driving mechanism comprises a motor (21), a first bevel gear (20) and a second bevel gear (19), the tail end of an output shaft of the motor (21) is connected with the first bevel gear (20), and the second bevel gear (19) is fixed on the outer wall of the bottom of the hollow shaft (25) and meshed with the first bevel gear (20).
4. The high-efficiency hydrogen chloride tail gas absorption device as claimed in claim 1, wherein: the tail gas discharge mechanism comprises a plurality of stirring blades (24) fixed on the outer wall of the hollow shaft (25), a tail gas discharge pipe (23) communicated with the hollow shaft (25) is arranged on the side wall of each stirring blade (24), and a plurality of gas outlet holes are formed in the side wall of each tail gas discharge pipe (23).
5. The high-efficiency hydrogen chloride tail gas absorption device as claimed in claim 1, wherein: exhaust mechanism is equipped with first gas outlet including setting up the device groove in baffle (30) upper end, the bottom in device groove, and device inslot is equipped with carousel (29), the bottom of carousel (29) with the upper end of bull stick (26) is connected, be equipped with second gas outlet (33) that correspond with first gas outlet on carousel (29).
6. The high-efficiency hydrogen chloride tail gas absorption device as claimed in claim 1, wherein: drive mechanism is including fixing first belt pulley (8) on hollow shaft (25) outer wall and fixing second belt pulley (7) on the outer wall of cavity pole (6) down, the cover is equipped with belt (17) on first belt pulley (8) and second belt pulley (7).
7. The high-efficiency hydrogen chloride tail gas absorption device as claimed in claim 1, wherein: the mechanism of giving vent to anger is including fixing stirring board (11) on last cavity pole (13) outer wall, the outer wall of stirring board (11) is equipped with outlet duct (5) with last cavity pole (13) intercommunication, the lateral wall of outlet duct (5) is equipped with a plurality of ventholes.
8. The high-efficiency hydrogen chloride tail gas absorption device as claimed in claim 1, wherein: the blowdown mechanism includes scraper blade (3), soil pick-up branch pipe (2), soil pick-up are responsible for (9) and dredge pump (10), and scraper blade (3) are located down on the outer wall of well cavity pole (6) and laminate with second adsorption tank (12) bottom inner wall, the outer wall of scraper blade (3) is fixed with soil pick-up branch pipe (2) with well cavity pole (6) intercommunication down, and the one end of the soil pick-up is responsible for (9) is rotated with well cavity pole (6) bottom down and is connected, and the other end is connected with dredge pump (10).
9. The high-efficiency hydrogen chloride tail gas absorption device as claimed in claim 1, wherein: the opening and closing mechanism comprises a rotating plate (14) arranged in the device cavity (35), the outer wall of the upper hollow rod (13) is fixedly connected with the rotating plate (14), and an opening (34) matched with a discharge hole of the feeding hopper (15) is formed in the rotating plate (14).
10. The high-efficiency hydrogen chloride tail gas absorption device as claimed in claim 1, wherein: the water pumping mechanism comprises a water pump (16), a water outlet end of the water pump (16) is connected with a water outlet pipe (31), the tail end of the water outlet pipe (31) is communicated with the spraying water outlet mechanism, and a branch pipe (4) extending into the second absorption tank (12) is arranged on the water outlet pipe (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023269318.XU CN214635221U (en) | 2020-12-29 | 2020-12-29 | High-efficient hydrogen chloride tail gas absorbing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023269318.XU CN214635221U (en) | 2020-12-29 | 2020-12-29 | High-efficient hydrogen chloride tail gas absorbing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214635221U true CN214635221U (en) | 2021-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023269318.XU Active CN214635221U (en) | 2020-12-29 | 2020-12-29 | High-efficient hydrogen chloride tail gas absorbing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214635221U (en) |
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2020
- 2020-12-29 CN CN202023269318.XU patent/CN214635221U/en active Active
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Address after: 057550 No. five Weir Road, chemical industry gathering area, Feixiang District, Handan, Hebei, 1 Patentee after: China shipbuilding (Handan) Perry Special Gas Co.,Ltd. Address before: No.1 Weiwu Road, chemical industry gathering area, Feixiang County, Handan City, Hebei Province Patentee before: PERIC SPECIAL GASES Co.,Ltd. |