CN215626787U - Device for recycling and preparing disinfectant fluid in chlorine tail gas absorption tower - Google Patents
Device for recycling and preparing disinfectant fluid in chlorine tail gas absorption tower Download PDFInfo
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- CN215626787U CN215626787U CN202122159120.4U CN202122159120U CN215626787U CN 215626787 U CN215626787 U CN 215626787U CN 202122159120 U CN202122159120 U CN 202122159120U CN 215626787 U CN215626787 U CN 215626787U
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- hydroxide solution
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Abstract
The utility model discloses a device for recycling and preparing disinfectant by a chlorine tail gas absorption tower, and relates to the technical field of disinfectant preparation. According to the utility model, through the cooperation of the flow control mechanism and the four chlorine detection alarm instruments, the problem that the contact reaction between chlorine and alkali liquor is too slow because most of the existing sodium hypochlorite disinfectant preparation devices are not provided with an alkali liquor feeding control structure is solved, the effect of increasing the contact surface between chlorine and alkali liquor is realized, and meanwhile, whether chlorine leaks or not is conveniently detected, so that the safety is improved.
Description
Technical Field
The utility model relates to the technical field of disinfectant fluid preparation, in particular to a device for recovering and preparing disinfectant fluid by a chlorine tail gas absorption tower.
Background
Chlorine gas is yellow green under normal temperature and normal pressure, has toxic gas with strong pungent smell, has higher density than air, is soluble in water and easy to compress, can be liquefied into golden yellow liquid chlorine, is one of main products in the chlor-alkali industry, and can be used as a strong oxidant. When hydrogen with the volume fraction of more than 5 percent is mixed in chlorine, the chlorine can have the explosion danger when meeting strong light. Chlorine can perform substitution reaction and addition reaction with organic matters and inorganic matters to generate various chlorides. Chlorine is used as a bleaching agent in the paper making and textile industries in the early stage, chemicals such as potassium chlorate, hydrochloric acid, concentrated hydrochloric acid and manganese dioxide are often used in industrial production, and chlorine tail gas can be generated after the chemicals are mixed.
However, production equipment for preparing the sodium hypochlorite disinfectant in the prior art is generally huge and complex in structure, and suitable preparation devices are difficult to purchase on the market in small places requiring small-batch and multi-frequency self-dilution preparation, so that the preparation can only be carried out by adopting a more traditional stirring mode, but the mode is long in time consumption and low in efficiency, and is difficult to meet the requirements of modern production.
The prior patent (publication number: CN213037416U) discloses a sodium hypochlorite disinfectant preparation device, which can effectively stir sodium hypochlorite and various auxiliaries to uniformly mix the sodium hypochlorite and the auxiliaries by arranging a first stirring part and a second stirring part at eccentric positions at the lower part of a disc, thereby improving the dissolving efficiency; through setting up first connecting pipe, second connecting pipe, water pump, carry out the in-process of filling after stopping the stirring, can prevent the uneven problem of sodium hypochlorite disinfectant concentration that causes because of the precipitation of various auxiliaries and sodium hypochlorite, shortened when preparing, improved production efficiency.
However, the device for preparing the sodium hypochlorite disinfectant has some disadvantages in practical application: the sodium hypochlorite disinfectant preparation device designed as above is not provided with an alkali liquor feeding control structure, alkali liquor is directly introduced into the preparation container at one time, and then chlorine and alkali liquor are subjected to mixed reaction through the matching of the stirring structure, the preparation efficiency of the method in practical application is not high, the reaction speed of the chlorine and the alkali liquor can be greatly reduced, even if the stirring mechanism is used for stirring continuously due to the fact that the alkali liquor is too much, the contact area between the alkali liquor and the chlorine at the lower layer is still smaller, the preparation efficiency is lower, the practicability is poorer, and the sodium hypochlorite disinfectant preparation device designed as above is not provided with a chlorine leakage detection structure.
SUMMERY OF THE UTILITY MODEL
The utility model provides a device for recycling and preparing disinfectant in a chlorine tail gas absorption tower, which solves the problem that the contact reaction of chlorine and alkali liquor is too slow because most of the existing sodium hypochlorite disinfectant preparation devices are not provided with an alkali liquor feeding control structure, realizes the effect of increasing the contact surface of the chlorine and the alkali liquor, and is convenient to detect whether the chlorine leaks or not, thereby improving the safety.
In order to solve the technical problem, the utility model provides a device for recovering and preparing sterilized water by a chlorine tail gas absorption tower, which comprises: prepare box, sodium hydroxide solution tank, tap hole and drainage tube, sodium hydroxide solution tank fixed connection is in one side of preparing the box top, the tap hole is seted up in the bottom of sodium hydroxide solution tank one side, the drainage tube is fixed to be pegged graft in the tap hole, just the other end fixed connection of drainage tube is at the top of preparing the box, the inside of preparing the box is provided with the preparation chamber, the interior roof fixedly connected with atomizer in preparation chamber, the one end fixed connection that sodium hydroxide solution tank was kept away from to the drainage tube is in one side of atomizer, the inside of sodium hydroxide solution tank is provided with the installation cavity, be provided with the control flow mechanism in the installation cavity.
Preferably, the flow control mechanism comprises a threaded lead screw, a nut, a synchronous motor, a limiting groove, a pulley, a mounting seat, a sliding plate, a fixing seat, a rotating part, a fixing port and a plugging plate, a liquid storage cavity is arranged in the sodium hydroxide solution tank and communicated with the liquid discharge port, the threaded lead screw is rotatably connected in the mounting cavity, the nut is in threaded connection with the threaded lead screw, the synchronous motor is fixedly connected to one side of the sodium hydroxide solution tank, a driving shaft of the synchronous motor is in transmission connection with one end of the threaded lead screw, the limiting groove is formed in the mounting cavity, the pulley is in sliding connection in the limiting groove, the bottom end of the pulley is fixedly connected with the top of the nut, the mounting seat is fixedly connected to the bottom of the nut, the sliding plate is in sliding connection in the mounting cavity, the fixing seat is fixedly connected to the top of the sliding plate, the rotating part is rotatably connected in the fixing seat, the other side of the rotating part is rotatably connected in the mounting seat, a fixing opening is formed in the sodium hydroxide solution tank, the fixing opening is communicated with the mounting cavity and the liquid discharging opening, the plugging plate is slidably connected in the fixing opening, a sealing gasket is integrally formed at the bottom of the plugging plate, the top of the plugging plate is fixedly connected with the bottom of the sliding plate, the sealing gasket is matched and abutted against the bottom wall of the liquid discharging opening, the threaded lead screw is rotated by starting the synchronous motor, the nut drives the pulley to horizontally slide in the limiting groove, in the process, the rotating part can push the sliding plate to drive the plugging plate to vertically slide downwards along the direction of the limiting rod, the opening size of the liquid discharging opening of the plugging plate can be controlled by controlling the moving distance of the nut, and then the sodium hydroxide solution stored in the sodium hydroxide solution tank can flow into the drainage tube through the liquid discharging opening to finally fill the atomization nozzle, open atomizer at last and make the chlorine contact that lets in sodium hydroxide water smoke and the intake pipe and react and generate sodium hypochlorite solution, to sum up, solved current sodium hypochlorite disinfectant preparation facilities because of mostly not being provided with alkali lye material loading control structure, lead to chlorine and the too slow problem of alkali lye contact reaction, realized increasing the effect of chlorine and alkali lye contact surface.
Preferably, preparation box top all around all is provided with chlorine and detects the siren, the front side that chlorine detected the siren is provided with the warning light, just the colour of warning light is red, detects the siren through setting up four chlorine, can detect the chlorine all around of preparation box, if lets in the chlorine in the inlet tube and oozes through the gap because of the preparation box damages the back, then chlorine detects the siren and can detect and send the police dispatch newspaper at the very first time, reminds personnel to withdraw fast to the security has been improved.
Preferably, be provided with the cushion in the fixed port, the cushion offsets with the shutoff board, through setting up the cushion, can prevent that sodium hydroxide solution from passing through the gap infiltration installation intracavity between shutoff board and the fixed port in the sodium hydroxide solution tank.
Preferably, the symmetry is pegged graft in the slide and is had two gag lever posts, the one end fixed connection of gag lever post is at the diapire of installation cavity, the other end fixedly connected with locating part of gag lever post, the locating part offsets with the top of slide, through setting up gag lever post and locating part, can carry on spacingly to the distance that the slide removed, when slide and locating part offset, the shutoff board just completely slides in the fixed orifices at this moment, makes the tap hole open completely, prevents that slide and screw lead screw from colliding with each other.
Preferably, the top of one side of the preparation box body is fixedly connected with an air inlet pipe, the chlorine density is greater than that of air, so that the chlorine is conveniently introduced into the preparation box body, the bottom of the other side of the preparation box body is fixedly connected with a liquid discharge pipe, and a manual valve is arranged on the liquid discharge pipe, so that the prepared sodium hypochlorite solution is conveniently discharged.
Preferably, the control panel and the equal electric connection of synchronous machine and atomizer, the personnel of being convenient for control synchronous machine and atomizer.
Preferably, a pin shaft A is arranged in the fixed seat, a pin shaft B is arranged in the mounting seat, one side of the rotating part is rotatably sleeved on the pin shaft A, and the other side of the rotating part is rotatably sleeved on the pin shaft B.
Compared with the prior art, the device for recovering and preparing the disinfectant fluid by the chlorine tail gas absorption tower has the following beneficial effects:
1. in the utility model, the screw lead screw is rotated by starting the synchronous motor, so that the nut drives the pulley to horizontally slide in the limiting groove, in the process, the rotating piece can push the sliding plate to drive the plugging plate to vertically slide downwards along the direction of the limiting rod, the opening size of the liquid discharge opening plugged by the plugging plate can be controlled by controlling the moving distance of the nut, then a sodium hydroxide solution stored in the sodium hydroxide solution box flows into the drainage tube through the liquid discharge opening and is finally filled into the atomizing nozzle, and finally the atomizing nozzle is started to enable the sodium hydroxide water mist to be in contact with chlorine introduced into the air inlet tube and react to generate a sodium hypochlorite solution.
2. According to the utility model, four chlorine detection alarm instruments are arranged to detect the chlorine around the preparation box body, if the chlorine introduced into the air inlet pipe seeps out through gaps after the preparation box body is damaged, the chlorine detection alarm instruments can detect at the first time and send out an alarm to remind personnel of rapidly withdrawing, so that the safety is improved.
Drawings
FIG. 1 is a schematic view of the external three-dimensional structure of a device for preparing sterilized water by recovering chlorine tail gas in a chlorine tail gas absorption tower;
FIG. 2 is a schematic diagram of the internal structure of a sodium hydroxide solution tank of a device for preparing disinfectant fluid by recovering chlorine tail gas in an absorption tower;
FIG. 3 is an enlarged view taken at A in FIG. 2;
fig. 4 is an enlarged view at B in fig. 1.
Reference numbers in the figures: 1. preparing a box body; 2. a sodium hydroxide solution tank; 3. a tapping port; 4. a drainage tube; 5. a threaded lead screw; 6. a nut; 7. a synchronous motor; 8. a limiting groove; 9. a pulley; 10. a mounting seat; 11. a slide plate; 12. a fixed seat; 13. a rotating member; 14. a fixed port; 15. a plugging plate; 16. a chlorine detection alarm instrument; 17. a liquid discharge pipe; 18. an air inlet pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 4, an apparatus for recovering and preparing sterilized water from a chlorine off-gas absorption tower comprises: the device comprises a preparation box body 1, a sodium hydroxide solution box 2, a liquid discharging port 3 and a drainage tube 4, wherein the sodium hydroxide solution box 2 is fixedly connected to one side of the top of the preparation box body 1, the liquid discharging port 3 is formed in the bottom of one side of the sodium hydroxide solution box 2, the drainage tube 4 is fixedly inserted in the liquid discharging port 3, the other end of the drainage tube 4 is fixedly connected to the top of the preparation box body 1, a preparation cavity is formed in the preparation box body 1, an atomizing nozzle is fixedly connected to the inner top wall of the preparation cavity, one end, away from the sodium hydroxide solution box 2, of the drainage tube 4 is fixedly connected to one side of the atomizing nozzle, an installation cavity is formed in the sodium hydroxide solution box 2, and a flow control mechanism is arranged in the installation cavity;
the flow control mechanism comprises a threaded screw rod 5, a nut 6, a synchronous motor 7, a limiting groove 8, a pulley 9, a mounting seat 10, a sliding plate 11, a fixed seat 12, a rotating part 13, a fixed port 14 and a plugging plate 15, wherein a liquid storage cavity is arranged inside a sodium hydroxide solution tank 2 and is communicated with a liquid discharge port 3, the threaded screw rod 5 is rotatably connected into the mounting cavity, the nut 6 is in threaded connection with the threaded screw rod 5, the synchronous motor 7 is fixedly connected to one side of the sodium hydroxide solution tank 2, a driving shaft of the synchronous motor 7 is in transmission connection with one end of the threaded screw rod 5, the limiting groove 8 is formed in the mounting cavity, the pulley 9 is in sliding connection with the limiting groove 8, the bottom end of the pulley 9 is fixedly connected with the top of the nut 6, the mounting seat 10 is fixedly connected to the bottom of the nut 6, the sliding plate 11 is in sliding connection with the mounting cavity, and the fixed seat 12 is fixedly connected to the top of the sliding plate 11, rotate piece 13 and rotate and connect in fixing base 12, and the opposite side of rotating piece 13 rotates and connects in mount pad 10, fixed port 14 has been seted up in sodium hydroxide solution tank 2, and fixed port 14 link up with installation cavity and tapping 3 homogeneous phases, shutoff board 15 sliding connection is in fixed port 14, and the bottom integrated into one piece of shutoff board 15 has sealed the pad, the top of shutoff board 15 and the bottom fixed connection of slide 11, sealed pad offsets with the diapire cooperation of tapping 3, through opening synchronous machine 7, make screw lead screw 5 rotate, make nut 6 drive pulley 9 slide at spacing groove 8 level, in this process, it can promote slide 11 and drive shutoff board 15 along the vertical lapse of direction of gag lever post to rotate piece 13, through the displacement of control nut 6, steerable shutoff board 15 seals the opening size of tapping 3, the sodium hydroxide solution that stores in sodium hydroxide solution tank 2 can flow into in drainage tube 4 through tapping 3 and fills in the final atomizer And finally, the atomizer is opened to enable the sodium hydroxide water mist to contact and react with chlorine introduced into the air inlet pipe 18 to generate sodium hypochlorite solution, so that the problem that the contact reaction of chlorine and alkali liquor is too slow due to the fact that most of the existing sodium hypochlorite disinfectant preparation devices are not provided with alkali liquor feeding control structures is solved, and the effect of the contact surface of chlorine and alkali liquor is increased.
In this embodiment: the synchronous motor 7 adopts a 60KTYZ model micro synchronous motor 7.
Wherein, preparation box 1 top all around all is provided with chlorine and detects alarm instrument 16, the front side that chlorine detected alarm instrument 16 is provided with the warning light, and the colour of warning light is red, detect alarm instrument 16 through setting up four chlorine, can detect the chlorine all around of preparation box 1, if the chlorine that lets in the intake pipe 18 oozes through the gap after damaging because of preparation box 1, then chlorine detects alarm instrument 16 and sends the police dispatch newspaper in the very first time, remind personnel to evacuate fast, thereby the security has been improved.
Wherein, be provided with the cushion in the fixed mouthful 14, the cushion offsets with shutoff board 15, through setting up the cushion, can prevent that sodium hydroxide solution from passing through the gap infiltration installation intracavity between shutoff board 15 and the fixed mouthful 14 in the sodium hydroxide solution tank 2.
Wherein, the symmetry is pegged graft in slide 11 and is had two gag lever posts, the one end fixed connection of gag lever post is at the diapire of installation cavity, the other end fixedly connected with locating part of gag lever post, the locating part offsets with slide 11's top, through setting up gag lever post and locating part, can carry on spacingly to the distance that slide 11 removed, when slide 11 offsets with the locating part, closure plate 15 slides in fixed mouthful 14 completely just this moment, makes tapping hole 3 open completely, prevents slide 11 and screw lead screw 5 and collides with each other.
Wherein, the top fixedly connected with intake pipe 18 of preparation box 1 one side because chlorine density is greater than the air to in letting in the preparation box 1 with chlorine, the bottom fixedly connected with fluid-discharge tube 17 of preparation box 1 opposite side, and be provided with manual valve on the fluid-discharge tube 17, the convenient sodium hypochlorite solution that will prepare is discharged.
Wherein, the equal electric connection of control panel and synchronous machine 7 and atomizer, the personnel of being convenient for control synchronous machine 7 and atomizer.
Wherein, be provided with round pin axle A in the fixing base 12, be provided with round pin axle B in the mount pad 10, rotate one side of piece 13 and rotate and cup joint on round pin axle A, the opposite side of rotating piece 13 rotates and cup joints on round pin axle B.
The working principle is as follows:
when it is desired to prepare a sodium hypochlorite solution:
the first step is as follows: firstly, introducing collected chlorine into the preparation box body 1 through the air inlet pipe 18, and then slowly sinking the chlorine because the density of the chlorine is greater than that of air;
the second step is that: in the process of chlorine sinking, the synchronous motor 7 is started, the threaded screw rod 5 is rotated, the nut 6 drives the pulley 9 to horizontally slide in the limiting groove 8, in the process, the rotating part 13 can push the sliding plate 11 to drive the blocking plate 15 to vertically slide downwards along the direction of the limiting rod, the size of the opening of the liquid discharging port 3 can be controlled by the blocking plate 15 by controlling the moving distance of the nut 6, and then the sodium hydroxide solution stored in the sodium hydroxide solution tank 2 flows into the drainage tube 4 through the liquid discharging port 3 and is finally filled into the atomizing nozzle;
the third step: and finally, starting an atomizing nozzle to enable the sodium hydroxide water mist to be in contact with the chlorine which is sinking and react to generate a sodium hypochlorite solution.
When it is necessary to detect whether chlorine gas leaks:
firstly, four chlorine detection alarm instruments 16 are arranged around the preparation box body 1, then the chlorine detection alarm instruments 16 are started to enable the chlorine detection alarm instruments 16 to continuously detect the chlorine around the preparation box body 1, and if the chlorine led into the air inlet pipe 18 is damaged and then seeps out through gaps, the chlorine detection alarm instruments 16 can detect and send out an alarm at the first time to remind people to evacuate quickly.
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.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A device for preparing sterilized water by recovering chlorine tail gas absorption tower comprises: a preparation box body (1), a sodium hydroxide solution box (2), a liquid discharging port (3) and a drainage tube (4), it is characterized in that the sodium hydroxide solution tank (2) is fixedly connected with one side of the top of the preparation tank body (1), the tapping hole (3) is arranged at the bottom of one side of the sodium hydroxide solution tank (2), the drainage tube (4) is fixedly inserted in the tapping hole (3), and the other end of the drainage tube (4) is fixedly connected with the top of the preparation box body (1), a preparation cavity is arranged in the preparation box body (1), the inner top wall of the preparation cavity is fixedly connected with an atomizing nozzle, one end of the drainage tube (4) far away from the sodium hydroxide solution tank (2) is fixedly connected with one side of the atomizing nozzle, the inside of sodium hydroxide solution case (2) is provided with the installation cavity, be provided with the control flow mechanism in the installation cavity.
2. The device for preparing the sterilized water by recycling the chlorine tail gas absorption tower according to claim 1, wherein the flow control mechanism comprises a threaded screw rod (5), a nut (6), a synchronous motor (7), a limiting groove (8), a pulley (9), a mounting seat (10), a sliding plate (11), a fixing seat (12), a rotating part (13), a fixing port (14) and a blocking plate (15), a liquid storage cavity is arranged inside the sodium hydroxide solution tank (2), the liquid storage cavity is communicated with the liquid discharge port (3), the threaded screw rod (5) is rotatably connected in the mounting cavity, the nut (6) is in threaded connection with the threaded screw rod (5), the synchronous motor (7) is fixedly connected to one side of the sodium hydroxide solution tank (2), a driving shaft of the synchronous motor (7) is in transmission connection with one end of the threaded screw rod (5), a limiting groove (8) is formed in the installation cavity, the pulley (9) is connected in the limiting groove (8) in a sliding mode, the bottom end of the pulley (9) is fixedly connected with the top of the nut (6), the installation seat (10) is fixedly connected with the bottom of the nut (6), the sliding plate (11) is connected in the installation cavity in a sliding mode, the fixing seat (12) is fixedly connected with the top of the sliding plate (11), the rotating part (13) is connected in the fixing seat (12) in a rotating mode, the other side of the rotating part (13) is connected in the installation seat (10) in a rotating mode, a fixing opening (14) is formed in the sodium hydroxide solution tank (2), the fixing opening (14) is communicated with the installation cavity and the liquid discharging opening (3), the blocking plate (15) is connected in the fixing opening (14) in a sliding mode, and a sealing gasket is formed in the bottom of the blocking plate (15) in an integrated mode, the top of shutoff board (15) and the bottom fixed connection of slide (11), sealed the diapire cooperation counterbalance of filling opening (3) with sealing up.
3. The device for recycling and preparing sterilized water in a chlorine tail gas absorption tower according to claim 1, wherein a chlorine detection alarm instrument (16) is arranged at the top of the periphery of the preparation box body (1), an alarm lamp is arranged at the front side of the chlorine detection alarm instrument (16), and the color of the alarm lamp is red.
4. The device for preparing the sterilized water by recycling the chlorine tail gas absorption tower according to claim 2, wherein an elastic pad is arranged in the fixing port (14), and the elastic pad abuts against the blocking plate (15).
5. The device for preparing the sterilized water by recycling from the chlorine tail gas absorption tower of claim 2, wherein two limiting rods are symmetrically inserted into the sliding plate (11), one end of each limiting rod is fixedly connected to the bottom wall of the installation cavity, the other end of each limiting rod is fixedly connected with a limiting part, and the limiting parts abut against the top of the sliding plate (11).
6. The device for recycling and preparing sterilized water by using the chlorine tail gas absorption tower as claimed in claim 1, wherein an air inlet pipe (18) is fixedly connected to the top of one side of the preparation box body (1), a liquid discharge pipe (17) is fixedly connected to the bottom of the other side of the preparation box body (1), and a manual valve is arranged on the liquid discharge pipe (17).
7. The device for recycling and preparing sterilized water in the chlorine tail gas absorption tower according to claim 2, wherein the front side of the preparation box body (1) is provided with an observation glass, the front side of the preparation box body (1) is provided with a control board, and the control board is electrically connected with the synchronous motor (7) and the atomizing spray head.
8. The device for preparing the disinfectant fluid by recycling the chlorine tail gas absorption tower according to claim 2, wherein a pin A is arranged in the fixed seat (12), a pin B is arranged in the mounting seat (10), one side of the rotating member (13) is rotatably sleeved on the pin A, and the other side of the rotating member (13) is rotatably sleeved on the pin B.
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| CN202122159120.4U CN215626787U (en) | 2021-09-08 | 2021-09-08 | Device for recycling and preparing disinfectant fluid in chlorine tail gas absorption tower |
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| CN202122159120.4U CN215626787U (en) | 2021-09-08 | 2021-09-08 | Device for recycling and preparing disinfectant fluid in chlorine tail gas absorption tower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115228275A (en) * | 2022-08-19 | 2022-10-25 | 安徽国能亿盛环保科技有限公司 | Device and process for recycling and treating tail gas in sodium chloride electrolysis industry |
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2021
- 2021-09-08 CN CN202122159120.4U patent/CN215626787U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115228275A (en) * | 2022-08-19 | 2022-10-25 | 安徽国能亿盛环保科技有限公司 | Device and process for recycling and treating tail gas in sodium chloride electrolysis industry |
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