CN112619379B - High-efficient hydrogen chloride tail gas absorbing device - Google Patents
High-efficient hydrogen chloride tail gas absorbing device Download PDFInfo
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- CN112619379B CN112619379B CN202011605908.7A CN202011605908A CN112619379B CN 112619379 B CN112619379 B CN 112619379B CN 202011605908 A CN202011605908 A CN 202011605908A CN 112619379 B CN112619379 B CN 112619379B
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- absorption tank
- tail gas
- wall
- hollow rod
- pipe
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- 239000007789 gas Substances 0.000 title claims abstract description 65
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 229910000041 hydrogen chloride Inorganic materials 0.000 title claims abstract description 30
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 238000010521 absorption reaction Methods 0.000 claims abstract description 72
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
- 238000007599 discharging Methods 0.000 claims abstract description 14
- 238000005507 spraying Methods 0.000 claims abstract description 9
- 238000005086 pumping Methods 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 239000007921 spray Substances 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims description 17
- 239000010865 sewage Substances 0.000 claims description 13
- 238000007790 scraping Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 2
- 239000012670 alkaline solution Substances 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 244000309464 bull Species 0.000 description 5
- 239000003344 environmental pollutant Substances 0.000 description 5
- 231100000719 pollutant Toxicity 0.000 description 5
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 4
- 239000000292 calcium oxide Substances 0.000 description 4
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 239000003513 alkali Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000006386 neutralization reaction Methods 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Classifications
-
- 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
- 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
- B01D53/1456—Removing acid components
-
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/68—Halogens or halogen compounds
-
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/40—Alkaline earth metal or magnesium compounds
- B01D2251/404—Alkaline earth metal or magnesium compounds of calcium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/602—Oxides
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention relates to a high-efficiency hydrogen chloride tail gas absorption device, and belongs to the technical field of tail gas treatment. Comprises a first absorption tank, a second absorption tank and a water pumping mechanism; a spray water outlet mechanism is arranged in the first absorption tank, the bottom of the first absorption tank is rotationally 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 discharging mechanism, and the upper end of the rotating rod is connected with an exhaust mechanism; the bottom of the second absorption tank is rotationally 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 rotationally connected with the tail end of the exhaust pipe, and the outer wall of the lower hollow rod is provided with a pollution 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 invention relates to a high-efficiency hydrogen chloride tail gas absorption device, and belongs to the technical field of tail gas treatment.
Background
Hydrogen chloride, a corrosive non-flammable gas, does not react with water but is readily soluble in water, often 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 can dissolve 503 volumes of hydrogen chloride gas at 25 ℃ and 1 atmosphere pressure.
Along with the rapid development of industries such as chlor-alkali, polyvinyl chloride and the like in China, the purification treatment of the hydrogen chloride tail gas in the production process is attracting more and more attention. However, most of the hydrogen chloride tail gas treatment equipment which is always used at present adopts a foam tower absorption process, so that the defects of low hydrogen chloride absorption efficiency, high alkali liquor consumption in the subsequent neutralization treatment and the like exist, the waste of hydrogen chloride, hydrochloric acid and alkali liquor is caused, and the environment is polluted.
Disclosure of Invention
In view of the above, the present invention aims to provide a high-efficiency hydrogen chloride tail gas absorption device.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
an efficient hydrogen chloride tail gas absorption device comprises a first absorption tank, a second absorption tank and a water pumping mechanism; wherein, the upper inner wall of the first absorption tank is fixed with a baffle, a spray water outlet mechanism is arranged below the baffle, the bottom of the first absorption tank is provided with a supporting structure and a liquid discharge pipe which are rotationally 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 discharging mechanism, and the upper end of the rotating rod penetrates through the baffle plate 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 rotationally connected with a lower hollow rod, the lower hollow rod and a 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 rotationally connected with the tail end of an exhaust pipe, the outer wall of the lower hollow rod is provided with a sewage draining 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.
Further, the spray water outlet mechanism comprises a plurality of annular pipes fixed in the first absorption tank, wherein the annular pipes are communicated with each other, and a plurality of atomizing spray heads are arranged at equal intervals in the circumferential direction of the bottom.
Further, the driving mechanism comprises a motor, a first bevel gear and a second bevel gear, wherein 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.
Further, the tail gas discharging mechanism comprises a plurality of stirring blades fixed on the outer wall of the hollow shaft, a tail gas discharging pipe communicated with the hollow shaft is arranged on the side wall of the stirring blades, and a plurality of air outlet holes are formed in the side wall of the tail gas discharging pipe.
Further, the exhaust mechanism comprises a device groove arranged at the upper end of the baffle plate, a first air outlet is formed in the bottom of the device groove, a rotary table is arranged in the device groove, the bottom of the rotary table is connected with the upper end of the rotary rod, and a second air outlet corresponding to the first air outlet is formed in the rotary table.
Further, the transmission mechanism comprises a first belt pulley fixed on the outer wall of the hollow shaft and a second belt pulley fixed on the outer wall of the lower hollow rod, and belts are sleeved on the first belt pulley and the second belt pulley.
Further, the air outlet mechanism comprises a stirring plate fixed on the outer wall of the upper hollow rod, an air outlet pipe communicated with the upper hollow rod is arranged on the outer wall of the stirring plate, and a plurality of air outlet holes are formed in the side wall of the air outlet pipe.
Further, the blowdown mechanism comprises a scraping plate, a pollutant sucking branch pipe, a pollutant sucking main pipe and a blowdown pump, wherein the scraping plate is positioned on the outer wall of the lower hollow rod and is attached to the inner wall of the bottom of the second absorption tank, the pollutant sucking branch pipe communicated with the lower hollow rod is fixed on the outer wall of the scraping plate, one end of the pollutant sucking main pipe is rotationally connected with the bottom of the lower hollow rod, and the other end of the pollutant sucking main pipe is connected with the blowdown 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 hole of the feed hopper is formed in the rotating plate.
Further, the water pumping mechanism comprises a water pump, a water outlet pipe is connected to the water outlet end of the water pump, 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 exhaust mechanism, can be with the even aqueous solution of arranging into first absorption tank of tail gas, can cut the bubble that gets into aqueous solution through the stirring leaf that sets up to obtain better dissolution.
2. Through setting up water outlet mechanism, can produce the spraying, will follow the tail gas that overflows in the aqueous solution and further absorb, water outlet mechanism top is equipped with exhaust mechanism, can realize intermittent type nature exhaust to make the spraying time that overflowed the gas received longer.
3. Through setting up closing mechanism and mechanism of giving vent to anger, can be automatic add calcium oxide powder in the second absorption jar, mix into alkaline solution with aqueous solution, further absorb hydrogen chloride tail gas, it is abundant to absorb, effectual.
4. Through setting up blowdown mechanism, can regularly discharge the waste material of depositing in the second absorption tank bottom, guarantee efficient absorption.
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 plate of the efficient tail gas absorption device for hydrogen chloride according to the present invention;
FIG. 3 is a schematic view of a ring tube of the efficient hydrogen chloride tail gas absorption device according to the invention;
FIG. 4 is a schematic diagram of the opening and closing mechanism of the efficient hydrogen chloride tail gas absorption device according to the invention;
Wherein, 1-first tank, 2-dirt absorbing branch pipe, 3-scraper blade, 4-branch pipe, 5-outlet duct, 6-lower hollow pole, 7-second belt pulley, 8-first belt pulley, 9-dirt absorbing main pipe, 10-dredge pump, 11-stirring board, 12-second tank, 13-upper hollow pole, 14-rotating board, 15-feeder hopper, 16-water pump, 17-belt, 18-supporting leg, 19-second bevel gear, 20-first bevel gear, 21-motor, 22-fluid-discharge pipe, 23-tail gas discharge pipe, 24-stirring leaf, 25-hollow axle, 26-bull stick, 27-atomizer, 28-annular pipe, 29-carousel, 30-baffle, 31-outlet pipe, 32-blast pipe, 33-second gas outlet, 34-opening, 35-device chamber.
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 absorbing device comprises a first absorbing tank 1 and a second absorbing tank 12, wherein a plurality of supporting legs 18 are fixed at the bottom of the first absorbing tank 1, a hollow shaft 25 is rotatably connected to the bottom of the first absorbing tank 1, the upper end of the hollow shaft 25 extends into the first absorbing tank 1 and is connected with a tail gas discharging mechanism, the tail gas discharging mechanism comprises a plurality of stirring blades 24 fixed on the outer wall of the hollow shaft 25, the side walls of the stirring blades 24 are provided with tail gas discharging pipes 23 communicated with the hollow shaft 25, the side walls of the tail gas discharging pipes 23 are provided with a plurality of air outlet holes, hydrogen chloride tail gas enters through the bottom ends of the hollow shaft 25 and is discharged into an aqueous solution in the first absorbing tank 1 through the air outlet holes of the plurality of tail gas discharging pipes 23, and the aqueous solution can rapidly absorb the hydrogen chloride tail gas.
The bottom of first absorption tank 1 is equipped with fluid-discharge tube 22, and the bottom of cavity axle 25 is equipped with the actuating mechanism who is used for driving cavity axle 25 pivoted, and actuating mechanism is including installing motor 21 on supporting leg 18 lateral wall, and the output shaft end of motor 21 is fixed with first bevel gear 20, and the bottom outer wall of cavity axle 25 is fixed with the second bevel gear 19 with first bevel gear 20 meshing, and start-up motor 21 drives first bevel gear 20 and rotates, and first bevel gear 20 drives second bevel gear 19 and rotates, and second bevel gear 19 drives cavity axle 25.
The upper end fixedly connected with bull stick 26 of hollow axle 25, the upper portion inner wall of first overhead tank 1 is fixed with baffle 30, baffle 30 is run through to the upper end of bull stick 26 and be 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 of 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, hollow axle 25 drives bull stick 26 rotation, bull stick 26 drives carousel 29 rotation, when first gas outlet corresponds with second gas outlet 33, absorb incomplete tail gas and discharge, the intermittent type switching of second gas outlet 33 realizes that the tail gas adsorbs in the first absorption pipe 1 time of staying for a longer time.
The first absorption tank 1 is located baffle 30 below and is provided with the play water mechanism that is used for spraying, goes out water mechanism and includes the multiturn ring pipe 28 of fixing in the first absorption tank 1, multiturn ring pipe 28 communicates each other, and bottom circumference equidistant is equipped with a plurality of atomizer 27, and water gets into in a plurality of ring pipes 28, finally through a plurality of atomizer 27 atomizing blowout, supplements the moisturizing solution volume on the one hand, and on the other hand overflowed tail gas and atomized water fully absorb.
The bottom of second absorption jar 12 is fixed with many spinal branch daggers, and the bottom of second absorption jar 12 rotates and is connected with cavity pole 6 down, passes through drive mechanism transmission between cavity pole 6 and the cavity axle 25 down, and drive mechanism is including fixing the first belt pulley 8 on the cavity axle 25 outer wall, and the outer wall of cavity pole 6 is fixed with second belt pulley 7 down, and the cover is equipped with belt 17 between first belt pulley 8 and second belt pulley 7, and cavity axle 25 rotates and drives first belt pulley 8 and rotate, drives second belt pulley 7 through belt 17 and rotates to drive cavity pole 6 down and last cavity pole 13 simultaneously.
The upper end of the lower hollow rod 6 extends into the second absorption tank 12 and is fixedly provided with an upper hollow rod 13, the outer wall of the upper hollow rod 13 is provided with an air outlet mechanism, the air outlet mechanism comprises a stirring plate 11 fixed on the outer wall of the upper hollow rod 13, the outer wall of the stirring plate 11 is provided with an air outlet pipe 5 communicated with the upper hollow rod 13, the side wall of the air outlet pipe 5 is provided with a plurality of air outlet holes, and tail gas which is not absorbed by the first absorption tank 1 enters the upper hollow rod 13 through an exhaust pipe 32 and is discharged into alkaline solution through the air outlet pipe 5 for neutralization reaction.
The outer wall of lower cavity pole 6 is equipped with blowdown mechanism, blowdown mechanism is including installing the blowdown pump 10 on the support column lateral wall, blowdown pump 10 is connected with the soil pick-up and is responsible for 9, the end that soil pick-up was responsible for 9 rotates with lower cavity pole 6 bottom and is connected, the outer wall of lower cavity pole 6 is fixed with the scraper blade 3 with laminating of second overhead tank 12 bottom, the outer wall of scraper blade 3 is fixed with the soil pick-up branch pipe 2 with lower cavity pole 6 intercommunication, deposit in second overhead tank 12 bottom is cleared up through the scraper blade 3, start blowdown pump 10, inhale the deposit of scraper blade 3 one side through the drain branch pipe, through lower cavity pole 6, finally discharge through the soil pick-up is responsible for 9. The second absorption tank 12 is discharged in a non-operating state, and plays a role in cleaning.
The top of first overhead tank 1 is provided with outlet duct 32, the end of outlet duct 32 rotates with the upper end of going up hollow pole 13 to be connected, the upper end of second overhead tank 12 is equipped with feeder hopper 15, the upper end of second overhead tank 12 is equipped with the device chamber 35 with feeder hopper 15 discharge gate intercommunication, be equipped with closing mechanism in the device chamber 35, closing mechanism is including setting up the commentaries on classics board 14 in device chamber 35, go up hollow pole 13's outer wall and commentaries on classics board 14 fixed connection, be equipped with on the commentaries on classics board 14 with feeder hopper 15 discharge gate complex opening 34, go up hollow pole 13 and drive commentaries on classics board 14 rotation, when opening 34 on the commentaries on classics board 14 changes to when overlapping with feeder hopper 15 discharge gate, the calcium oxide powder falls into in the second overhead tank 12 and mixes with water, the timely supplementary alkaline solution's of intermittent type formula material loading process quantity.
The lateral wall of first absorption tank 1 is equipped with pump water mechanism, and pump water mechanism is including installing the water pump 16 on first absorption tank 1 outer wall, and the play water end of water pump 16 is connected with outlet pipe 31, and the end and the annular pipe 28 intercommunication of outlet pipe 31, the lateral wall of outlet pipe 31 are provided with the branch pipe 4 that extends to in the second absorption tank 12.
When the device is used, hydrogen chloride tail gas enters through the bottom end of the hollow shaft 25, the water solution is discharged into the water solution in the first absorption tank 1 through the air outlet holes of the plurality of tail gas discharge pipes 23, the water solution can quickly 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 plurality of stirring blades 24 to rotate, so that the hydrogen chloride tail gas entering the water solution stays in water for a longer time, the tail gas entering the water pump 16 is started through centrifugal force, the water pump is started to pump the water into the water outlet pipe 31, the water enters the plurality of annular pipes 28, finally the water supplementing solution is sprayed out through the plurality of atomizing nozzles 27, on one hand, the overflowed tail gas and atomized water are fully absorbed, the hollow shaft 25 drives the rotating rod 26 to drive the rotating disc 29 to rotate, and when the first air outlet and the second air outlet 33 correspond to each other, the second air outlet 33 is intermittently opened and closed, so that the tail gas stays in the first absorption pipe 1 for a longer time.
The calcium oxide powder is filled in the feed hopper 15, the hollow shaft 25 rotates while driving the first belt pulley 8 to rotate, the belt 17 drives the second belt pulley 7 to rotate, thereby driving the lower hollow rod 6 to rotate simultaneously with the upper hollow rod 13, part of water in the water outlet pipe 31 enters the second absorption tank 12 through the branch pipe 4, the upper hollow rod 13 drives the rotating plate 14 to rotate, when the opening 34 on the rotating plate 14 rotates to be overlapped with the discharge port of the feed hopper 15, the calcium oxide powder falls into the second absorption tank 12 to be mixed with the water, the upper hollow rod 13 drives the stirring plate 11 to rotate to be mixed into alkaline solution, unabsorbed tail gas enters the upper hollow rod 13 through the exhaust pipe 32, and then is discharged into the alkaline solution through the air outlet pipe 5 to be subjected to neutralization reaction, so that the reaction is more sufficient. Under the non-working state, the sediment accumulated at the bottom of the second absorption tank 12 is cleaned by the scraping plate 3, the sewage pump 10 is started, the sediment at one side of the scraping plate 3 is sucked through the sewage branch pipe, and finally discharged through the sewage main pipe 9 by the lower hollow rod 6, and the quantity of alkaline solution is timely supplemented in the intermittent feeding process, so that the absorption effect is in the optimal state.
In view of the foregoing, it will be appreciated that the invention includes but is not limited to the foregoing embodiments, any equivalent or partial modification made within the spirit and principles of the invention.
Claims (6)
1. A high-efficient hydrogen chloride tail gas absorbing device, its characterized in that: comprises a first absorption tank (1), a second absorption tank (12) and a water pumping mechanism; wherein, a baffle plate (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 plate (30), a supporting structure and a liquid discharge pipe (22) are arranged at the bottom of the first absorption tank (1), a hollow shaft (25) is rotationally connected with the bottom of the first absorption tank, 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 discharging mechanism, and the upper end of the rotating rod (26) penetrates through the baffle (30) and is connected with an exhaust mechanism;
The bottom of the second absorption tank (12) is provided with a fixed supporting structure, the bottom of the second absorption tank (12) is rotationally connected with a lower hollow rod (6), the lower hollow rod (6) and a hollow shaft (25) are transmitted through a transmission mechanism, the upper end of the lower hollow rod (6) extends into the second absorption tank (12) and is fixedly provided with an upper hollow rod (13), the outer wall of the upper hollow rod (13) is provided with an air outlet mechanism, the upper end of the upper hollow rod (13) is rotationally connected with the tail end of an exhaust pipe (32), the outer wall of the lower hollow rod (6) is provided with a sewage draining mechanism, the upper end of the second absorption tank (12) is provided with a feed hopper (15), the discharge port of the feed hopper (15) on the second absorption tank (12) is provided with a device cavity (35), and the device cavity (35) 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 (12);
The tail gas discharging mechanism comprises a plurality of stirring blades (24) fixed on the outer wall of the hollow shaft (25), a tail gas discharging pipe (23) communicated with the hollow shaft (25) is arranged on the side wall of the stirring blades (24), and a plurality of air outlet holes are formed in the side wall of the tail gas discharging pipe (23);
The exhaust mechanism comprises a device groove arranged at the upper end of the baffle plate (30), a first air outlet is formed in the bottom of the device groove, a rotary table (29) is arranged in the device groove, the bottom of the rotary table (29) is connected with the upper end of the rotating rod (26), and a second air outlet (33) corresponding to the first air outlet is formed in the rotary table (29);
The air outlet mechanism comprises a stirring plate (11) fixed on the outer wall of the upper hollow rod (13), the outer wall of the stirring plate (11) is provided with an air outlet pipe (5) communicated with the upper hollow rod (13), and the side wall of the air outlet pipe (5) is provided with a plurality of air outlet holes;
The opening and closing mechanism comprises a rotating plate (14) arranged in a 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 feed hopper (15) is formed in the rotating plate (14).
2. The efficient hydrogen chloride tail gas absorbing apparatus as recited in claim 1, wherein: the spray water outlet mechanism comprises a plurality 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 spray heads (27) are arranged at equal intervals in the circumferential direction of the bottom.
3. The efficient hydrogen chloride tail gas absorbing apparatus as recited in claim 1, wherein: the driving mechanism comprises a motor (21), a first bevel gear (20) and a second bevel gear (19), wherein 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 efficient hydrogen chloride tail gas absorbing apparatus as recited in claim 1, wherein: the transmission mechanism comprises a first belt pulley (8) fixed on the outer wall of the hollow shaft (25) and a second belt pulley (7) fixed on the outer wall of the lower hollow rod (6), and belts (17) are sleeved on the first belt pulley (8) and the second belt pulley (7).
5. The efficient hydrogen chloride tail gas absorbing apparatus as recited in claim 1, wherein: the sewage disposal mechanism comprises a scraping plate (3), a sewage suction branch pipe (2), a sewage suction main pipe (9) and a sewage disposal pump (10), wherein the scraping plate (3) is positioned on the outer wall of the lower hollow rod (6) and is attached to the inner wall of the bottom of the second absorption tank (12), the sewage suction branch pipe (2) communicated with the lower hollow rod (6) is fixed on the outer wall of the scraping plate (3), one end of the sewage suction main pipe (9) is rotationally connected with the bottom of the lower hollow rod (6), and the other end of the sewage disposal main pipe is connected with the sewage disposal pump (10).
6. The efficient hydrogen chloride tail gas absorbing apparatus as recited in claim 1, wherein: the water pumping mechanism comprises a water pump (16), a water outlet pipe (31) is connected to the water outlet end of the water pump (16), 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 |
|---|---|---|---|
| CN202011605908.7A CN112619379B (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 |
|---|---|---|---|
| CN202011605908.7A CN112619379B (en) | 2020-12-29 | 2020-12-29 | High-efficient hydrogen chloride tail gas absorbing device |
Publications (2)
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| CN114849365A (en) * | 2022-04-20 | 2022-08-05 | 张宝全 | Energy-saving spray tower based on Internet of things and used for industrial desulfurization |
| CN115738608A (en) * | 2022-11-30 | 2023-03-07 | 湖北山特莱新材料有限公司 | Tail gas adsorption device |
| CN118718452B (en) * | 2024-09-04 | 2024-11-01 | 甘肃峻茂新材料科技有限公司 | A fractionating kettle for producing hydride |
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Address after: 057550 No. five Weir Road, chemical industry gathering area, Feixiang District, Handan, Hebei, 1 Applicant 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 Applicant before: PERIC SPECIAL GASES Co.,Ltd. |
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