CN116407921A - Equipment and method for recovering and treating tail gas of liquid chemicals - Google Patents

Abstract

The invention belongs to the technical field of tail gas recovery, in particular to a liquid chemical tail gas recovery treatment equipment and method, aiming at the existing recovery and treatment methods, which are mostly filtered through a filter screen, the filtering effect is single, the treatment effect is not good, and it cannot meet the needs of use problem, the following proposal is proposed, which includes a treatment box, the top of the treatment box is provided with a controller, the right side of the treatment box is provided with a sewage pipe, and the set sewage pipe is used to discharge the liquid inside the treatment box, and the top of the treatment box is provided There is a rectangular box, and the bottom of the rectangular box is provided with an introduction pipe, which can lead the tail gas into the liquid. The present invention can improve the absorption effect of the liquid on the tail gas by stirring the tail gas with the liquid. While stirring, the fan mechanism is linked to increase the flow speed of the tail gas and improve the work efficiency. The activated carbon adsorption particles and the filter screen are set to absorb and filter the tail gas, and Activated carbon adsorbs particles and filters for easy disassembly and replacement.

Description

Equipment and method for recovering and treating tail gas of liquid chemicals

technical field

The invention relates to the technical field of tail gas recovery, in particular to a tail gas recovery treatment device and method for liquid chemicals.

Background technique

Chemicals are pure substances and mixtures of various elements, whether natural or man-made. There are as many as 7 million kinds of chemicals in the world, of which more than 100,000 have been listed as commodities, and more than 70,000 are frequently used. There are more than 1,000 new chemicals emerging in the world every year. Liquid chemicals, as the name implies It is liquid. With the continuous development of modern society and the continuous improvement of people's quality of life, liquid chemicals are used in many places in modern society. When using liquid chemicals for experiments or energy utilization, the exhaust pipe will Exhaust exhaust gas, if these exhaust gases are directly discharged into the air, it will cause environmental pollution, which does not meet the requirements of environmental protection, so it needs to be recycled.

The existing recycling and processing methods are mostly filtered through the filter screen, the filtering effect is single, the processing effect is not good, and it cannot meet the needs of use.

Contents of the invention

The purpose of the present invention is to solve the shortcomings of the existing recovery and treatment methods that mostly filter through the filter screen, the filtering effect is single, the treatment effect is not good, and cannot meet the needs of use, and a tail gas recovery and treatment equipment for liquid chemicals is proposed. method.

In order to achieve the above object, the present invention adopts the following technical solutions:

A tail gas recovery and treatment equipment for liquid chemicals, including a treatment box, a controller is arranged on the top of the treatment box, and a sewage pipe is provided on the right side of the treatment box. The sewage pipe is used to discharge the liquid inside the treatment box. The top is provided with a rectangular box, and the bottom of the rectangular box is provided with an introduction pipe, which can introduce exhaust gas into the liquid, and the introduction pipe extends to the inside of the processing box. A fan mechanism is installed inside the rectangular box, and an air intake pipe is provided on the right side of the rectangular box. , the processing box is provided with a partition, the top of the processing box is provided with an inlet, the outside of the processing box is provided with a stirring mechanism, the stirring mechanism is connected with the fan mechanism, and the top of the processing box is provided with an elbow, which is used to separate the The gas on the right side of the plate is introduced into the left side of the partition, and the two ends of the elbow are respectively located on both sides of the partition. There is a mounting hole on the top of the processing box, and a filter box is movably installed in the mounting hole. The installation plate is connected to the top of the treatment box, and the two sides of the filter box are respectively provided with an air inlet and an air outlet, and a grid is arranged in the air inlet, and activated carbon adsorption particles are arranged in the treatment box, and the activated carbon adsorption particles are used for To absorb the peculiar smell of tail gas, a rectangular frame is arranged at the position of the air outlet, a filter screen is arranged in the rectangular frame, and an outlet pipe is arranged on the left side of the treatment box.

Preferably, the fan mechanism includes a fixed rod, the fixed rod is installed on the inner wall of the rectangular box, the fixed rod is rotatably mounted with a fan shaft, the top of the fan shaft is mounted with a fan, and the outer side of the rectangular box is rotatably mounted with a linkage shaft, The first bevel gear is installed on the inner end of the linkage shaft, and the second bevel gear is set on the outer side of the fan shaft, and the first bevel gear meshes with the second bevel gear; the linkage shaft drives the fan through the first bevel gear and the second bevel gear The shaft rotates, and the fan shaft drives the fan to rotate. Through the intake pipe, the exhaust gas can be sucked into the rectangular box, which can speed up the exhaust gas circulation.

Preferably, the stirring mechanism includes a motor and a stirring shaft, the motor is installed on the outside of the processing box, the output shaft of the motor is equipped with a stirring shaft, the stirring shaft is rotated and installed in the processing box, and a plurality of stirring rods are installed on the outside of the stirring shaft , the stirring shaft is connected with the linkage shaft; the stirring shaft drives the stirring rod to stir the liquid, which can improve the effect of the liquid on the exhaust gas absorption.

Preferably, pulleys are sheathed on the outer sides of the stirring shaft and the linkage shaft, and the same belt is sheathed on the outer sides of the two pulleys.

Preferably, both sides of the filter box are provided with rectangular notches, and notch bars are slidably installed in the two rectangular notches, and the two notch bars are fixedly connected to the inner walls of both sides of the processing box; the set notch bars are matched with the rectangular notch , which guides the filter box.

Preferably, four bolts are threaded on the top of the mounting plate, the bolts are threaded on the top of the processing box, and the bottom of the mounting plate is provided with a sealing ring, and the sealing ring is in contact with the top of the processing box; the sealing ring is used to install The hole is sealed with the filter box to avoid air leakage.

Preferably, two handles are installed on the outside of the rectangular frame, a limit block is installed on the inner wall of the air outlet, the rectangular frame is in contact with the two limit blocks, and the limit block is used to block the rectangular frame to prevent the rectangular frame from falling. into the filter box.

Preferably, the top and the bottom of the rectangular frame are provided with elastic grooves, elastic rods are slidably installed in the two elastic grooves, the same spring is installed between the elastic rods and the elastic grooves, and the top inner wall and the bottom inner wall of the air outlet Both are provided with arc-shaped slots, and the elastic rods are bidirectionally engaged with the arc-shaped slots; the springs provide elastic force for the elastic rods, so that the elastic rods enter the arc-shaped slots, and the rectangular frame can be fixed.

A method for using tail gas recovery and treatment equipment for liquid chemicals, comprising the following steps:

S1: Prepare the equipment, connect the power supply and the controller, add liquid to the inside of the treatment box through the inlet, and connect the intake pipe with the exhaust gas;

S2: Start the motor, the motor drives the stirring shaft to rotate, the stirring shaft drives the linkage shaft to rotate through two pulleys and belts, the linkage shaft drives the fan shaft to rotate through the first bevel gear and the second bevel gear, the fan shaft drives the fan to rotate, and passes through the intake pipe , the tail gas can be sucked into the rectangular box, and then introduced into the liquid through the inlet pipe for initial filtration, and the impurities in the tail gas and most of the chemical substances soluble in water can be adsorbed;

S3: The exhaust gas after liquid filtration enters the left side of the partition through the elbow, and then enters the filter box through the grid mesh, and the exhaust gas is adsorbed and filtered by the activated carbon adsorption particles in the filter box, and the stirring shaft drives the stirring rod to stir the liquid , can improve the absorption effect of the liquid on the exhaust gas, and can absorb the peculiar smell in the exhaust gas;

S4: The filter set is the last layer of filtration. The filter is made of polymer membrane, and the remaining chemical substances are blocked and filtered, and then the exhaust gas can be discharged through the outlet pipe;

S5: After using for a period of time, it is necessary to clean and replace the activated carbon adsorption particles and the filter screen, remove the bolts, pull the mounting plate, the mounting plate drives the filter box to move upwards and leave the processing box, and then pull the rectangular frame to move and leave the air outlet through the two handles , you can open the filter box, replace the activated carbon adsorption particles, and clean the filter screen at the same time. After the completion, install the rectangular frame in the air outlet, set the two limit blocks to block the rectangular frame, and provide elastic force for the elastic rod through the spring , so that the elastic rod enters the arc-shaped slot, the rectangular frame can be fixed, and finally the filter box can be reinstalled inside the processing box.

In the present invention, the beneficial effects of the tail gas recovery treatment equipment and method of the liquid chemical:

In this scheme, the motor drives the stirring shaft to rotate, the stirring shaft drives the linkage shaft to rotate through two pulleys and belts, the linkage shaft drives the fan shaft to rotate through the first bevel gear and the second bevel gear, and the fan shaft drives the fan to rotate. The exhaust gas is sucked into the rectangular box, and then introduced into the liquid through the inlet pipe for initial filtration, which can absorb the impurities in the exhaust gas and most of the chemical substances soluble in water, and the fan installed can increase the exhaust gas circulation speed;

In this solution, the exhaust gas after liquid filtration enters the left side of the partition through the elbow, and then enters the filter box through the grid net, and the exhaust gas is adsorbed and filtered by the activated carbon adsorption particles in the filter box, and the stirring shaft drives the stirring rod to stir the liquid. , can improve the absorption effect of the liquid on the exhaust gas, and can absorb the peculiar smell in the exhaust gas;

The filter set in this scheme is the last layer of filtration, the filter is made of polymer membrane, and the remaining chemical substances are blocked and filtered;

This solution needs to clean and replace the activated carbon adsorption particles and the filter screen, remove the bolts, pull the mounting plate, the mounting plate drives the filter box to move upward and leave the processing box, and then pull the rectangular frame to move and leave the air outlet through two handles to open the filter box , replace the activated carbon adsorption particles, and clean the filter screen at the same time. After the completion, install the rectangular frame in the air outlet, set the two limit blocks to block the rectangular frame, and provide elastic force for the elastic rod through the spring, so that the elastic rod enters In the curved card slot, the rectangular frame can be fixed, and finally the filter box can be reinstalled inside the processing box;

The present invention can improve the absorption effect of the liquid on the tail gas by stirring the tail gas with the liquid. While stirring, the fan mechanism is linked to increase the flow speed of the tail gas and improve the work efficiency. The activated carbon adsorption particles and the filter screen are set to absorb and filter the tail gas, and Activated carbon adsorbs particles and filters for easy disassembly and replacement.

Description of drawings

Fig. 1 is a schematic structural view of a tail gas recovery treatment device for liquid chemicals proposed by the present invention;

Fig. 2 is the structural representation of taking out filter box and mounting plate in Fig. 1 that the present invention proposes;

Fig. 3 is a three-dimensional structural schematic diagram of a partition proposed by the present invention;

Fig. 4 is a three-dimensional structural schematic diagram of the fan mechanism proposed by the present invention;

Fig. 5 is the schematic diagram of the three-dimensional structure of the stirring mechanism proposed by the present invention;

Fig. 6 is the schematic diagram of the three-dimensional structure of the pulley and the belt proposed by the present invention;

Fig. 7 is the schematic diagram of the three-dimensional structure of the filter box, grid net and mounting plate proposed by the present invention;

Fig. 8 is a schematic diagram of the three-dimensional structure of removing the grid network in Fig. 7 proposed by the present invention;

Fig. 9 is a three-dimensional schematic diagram of a filter box, a filter screen and a rectangular frame proposed by the present invention;

Fig. 10 is a schematic diagram of a three-dimensional structure of a rectangular frame and a filter net proposed by the present invention;

Fig. 11 is a schematic diagram of the three-dimensional structure of Fig. 9 with the removal of the rectangular frame proposed by the present invention;

Fig. 12 is a schematic diagram of the three-dimensional structure of the notch bar proposed by the present invention;

Fig. 13 is a schematic view of the three-dimensional structure of the mounting plate proposed by the present invention;

Fig. 14 is a schematic diagram of the three-dimensional structure of the elastic rod proposed by the present invention;

Fig. 15 is a schematic diagram of the three-dimensional structure of the spring proposed by the present invention;

Fig. 16 is a three-dimensional schematic view of the rectangular box, air intake pipe and introduction pipe proposed by the present invention.

In the figure: 1. Processing box; 2. Rectangular box; 3. Intake pipe; 4. Introductory pipe; 5. Sewage pipe; 6. Motor; 7. Stirring shaft; 8. Stirring rod; 9. Fixed rod; 10. Fan Shaft; 11, linkage shaft; 12, first bevel gear; 13, second bevel gear; 14, fan; 15, clapboard; 16, inlet; 17, elbow; 18, controller; 19, pulley; 20 , belt; 21, installation hole; 22, air outlet pipe; 23, installation plate; 24, bolt; 25, filter box; 26, rectangular gap; 27, air intake hole; 28, grid mesh; 30. Gap bar; 31. Vent; 32. Rectangular frame; 33. Filter screen; 34. Elastic slot; 35. Handle; 36. Spring; 37. Elastic rod; 38. Limit block; 39. Arc slot ; 40, sealing ring.

Detailed ways

The following will clearly and completely describe the technical solutions in this embodiment with reference to the drawings in this embodiment. Obviously, the described embodiment is only a part of this embodiment, not all of the embodiments.

Embodiment one

Referring to Fig. 1-16, a tail gas recovery and processing equipment for liquid chemicals includes a treatment box 1, a controller 18 is arranged on the top of the treatment box 1, a sewage discharge pipe 5 is provided on the right side of the treatment box 1, and the sewage discharge pipe 5 is provided It is used to discharge the liquid inside the treatment box 1. The top of the treatment box 1 is provided with a rectangular box 2, and the bottom of the rectangular box 2 is provided with an introduction pipe 4. The introduction pipe 4 can introduce the exhaust gas into the liquid, and the introduction pipe 4 extends to the treatment box. 1, a fan mechanism is arranged in the rectangular box 2, an intake pipe 3 is arranged on the right side of the rectangular box 2, a partition 15 is arranged in the processing box 1, an inlet 16 is arranged on the top of the processing box 1, and an inlet 16 is arranged on the top of the processing box 1. The outside is provided with a stirring mechanism, and the stirring mechanism is connected in transmission with the fan mechanism. The top of the processing box 1 is provided with an elbow 17. The elbow 17 is used to introduce the gas on the right side of the partition 15 into the left side of the partition 15. Two ends are positioned at the both sides of dividing plate 15 respectively, and the top of processing box 1 is provided with installation hole 21, and filter box 25 is installed movably in installation hole 21, and the top of filter box 25 is provided with installation plate 23, and installation plate 23 and processing box 1, the two sides of the filter box 25 are respectively provided with an air inlet 27 and an air outlet 31, the air inlet 27 is provided with a grid 28, and the treatment box 1 is provided with activated carbon adsorption particles 29, activated carbon adsorption particles 29 For absorbing the peculiar smell of tail gas, a rectangular frame 32 is arranged at the position of the outlet hole 31 , a filter screen 33 is arranged inside the rectangular frame 32 , and an outlet pipe 22 is arranged on the left side of the processing box 1 .

In this embodiment, both sides of the filter box 25 are provided with a rectangular notch 26, and a notch bar 30 is slidably installed in the two rectangular notches 26, and the two notch bars 30 are fixedly connected with the inner walls of both sides of the processing box 1; The notch bar 30 cooperates with the rectangular notch 26 to guide the filter box 25 .

In this embodiment, the top of the mounting plate 23 is threaded with four bolts 24, the bolts 24 are threaded with the top of the processing box 1, the bottom of the mounting plate 23 is provided with a sealing ring 40, and the sealing ring 40 is connected to the top of the processing box 1. Contact; the sealing ring 40 is used to seal the installation hole 21 and the filter box 25 to avoid air leakage.

In this embodiment, the fan mechanism includes a fixed rod 9, the fixed rod 9 is installed on the inner wall of the rectangular box 2, the fan shaft 10 is rotated on the fixed rod 9, and the fan 14 is installed on the top of the fan shaft 10, the rectangular box 2 The outer side of the fan shaft 10 is equipped with a linkage shaft 11, and the inner end of the linkage shaft 11 is equipped with a first bevel gear 12. The outer side of the fan shaft 10 is provided with a second bevel gear 13, and the first bevel gear 12 and the second bevel gear 13 are meshed. The linkage shaft 11 drives the fan shaft 10 to rotate through the first bevel gear 12 and the second bevel gear 13, and the fan shaft 10 drives the fan 14 to rotate, and the exhaust gas can be sucked into the rectangular box 2 by the intake pipe 3, so that the exhaust gas circulation speed can be accelerated.

In this embodiment, the stirring mechanism includes a motor 6 and a stirring shaft 7, the motor 6 is installed on the outside of the processing box 1, the output shaft of the motor 6 is equipped with a stirring shaft 7, the stirring shaft 7 is rotated and installed in the processing box 1, and the stirring shaft The outer side of 7 is equipped with a plurality of stirring rods 8, and the stirring shaft 7 is connected with the transmission shaft 11; the stirring shaft 7 drives the stirring rod 8 to stir the liquid, which can improve the liquid's absorption effect on exhaust gas.

In this embodiment, a pulley 19 is sheathed on the outside of the stirring shaft 7 and the linkage shaft 11 , and the same belt 20 is sheathed on the outside of the two pulleys 19 .

In this embodiment, two handles 35 are installed on the outside of the rectangular frame 32, and a limit block 38 is installed on the inner wall of the air outlet 31. The rectangular frame 32 is in contact with two limit blocks 38, and the limit block 38 is used to adjust The frame 32 is blocked to prevent the rectangular frame 32 from falling into the filter box 25 .

In this embodiment, the top and the bottom of the rectangular frame 32 are provided with elastic grooves 34, and elastic rods 37 are slidably installed in the two elastic grooves 34, and the same spring 36 is installed between the elastic rods 37 and the elastic grooves 34. Both the top inner wall and the bottom inner wall of the air hole 31 are provided with an arc-shaped slot 39, and the elastic rod 37 is bidirectionally engaged with the arc-shaped slot 39; the spring 36 provides elastic force for the elastic rod 37, so that the elastic rod 37 enters the arc-shaped slot 39, the rectangular frame 32 can be fixed.

The present invention also provides a method for using the tail gas recovery and treatment equipment of liquid chemicals, comprising the following steps:

S1: Prepare the equipment, connect the power supply and the controller 18, add liquid to the inside of the processing box 1 through the inlet 16, and connect the intake pipe 3 with the exhaust gas;

S2: Start the motor 6, the motor 6 drives the stirring shaft 7 to rotate, the stirring shaft 7 drives the linkage shaft 11 to rotate through two pulleys 19 and the belt 20, the linkage shaft 11 drives the fan shaft 10 through the first bevel gear 12 and the second bevel gear 13 Rotate, the fan shaft 10 drives the fan 14 to rotate, through the intake pipe 3, the tail gas can be sucked into the rectangular box 2, and then introduced into the liquid through the inlet pipe 4 for initial filtration, the impurities in the tail gas and most of the chemical substances soluble in water can be removed substance adsorption;

S3: The exhaust gas after liquid filtration enters the left side of the partition 15 through the elbow 17, and then enters the filter box 25 through the grid mesh 28, and the exhaust gas is adsorbed and filtered by the activated carbon adsorption particles 29 in the filter box 25, and the stirring shaft 7 Drive the stirring rod 8 to stir the liquid, which can improve the absorption effect of the liquid on the exhaust gas, and can absorb the peculiar smell in the exhaust gas;

S4: The set filter 33 is the last layer of filtration, the filter 33 is made of polymer membrane, and the remaining chemical substances are blocked and filtered, and then the exhaust gas can be discharged through the outlet pipe 22;

S5: After using for a period of time, it is necessary to clean and replace the activated carbon adsorption particles 29 and the filter screen 33, remove the bolt 24, pull the mounting plate 23, the mounting plate 23 drives the filter box 25 to move upward and leave the processing box 1, and then pass the two handles 35 Pull the rectangular frame 32 to move and leave the air outlet 31, the filter box 25 can be opened, the activated carbon adsorption particles 29 are replaced, and the filter screen 33 is cleaned at the same time. After completion, the rectangular frame 32 is installed in the air outlet 31, and the two set The limit block 38 blocks the rectangular frame 32, and provides elastic force for the elastic rod 37 through the spring 36, so that the elastic rod 37 enters the arc-shaped slot 39, the rectangular frame 32 can be fixed, and finally the filter box 25 is reinstalled in the processing box 1 Just inside.

Embodiment two

The difference between Embodiment 2 and Embodiment 1 is that: both sides of the treatment box 1 are provided with electrode plates, and the two electrode plates are respectively a positively charged electrode plate and a negatively charged electrode plate, through which the tail gas can be treated. Electrolysis, chemical substances that carry electrons, will be electrolytically modified between the positively charged electrode plate and the negatively charged electrode plate to avoid environmental pollution. All structures in this application can be selected according to the actual use of materials and lengths. Attached The drawings are all schematic structural diagrams, and the specific actual dimensions can be adjusted appropriately.

The above is only a preferred specific implementation mode of this embodiment, but the scope of protection of this embodiment is not limited thereto. Anyone familiar with the technical field within the technical scope disclosed in this embodiment Any equivalent replacement or change of the technical solutions and the inventive concepts of the examples shall fall within the scope of protection of this embodiment.

Claims (10)

1. A tail gas recovery and treatment equipment for liquid chemicals, comprising a treatment box (1), the top of the treatment box (1) is provided with a controller (18), and the right side of the treatment box (1) is provided with a sewage pipe (5) , it is characterized in that, the top of the processing box (1) is provided with a rectangular box (2), the bottom of the rectangular box (2) is provided with an introduction pipe (4), and the introduction pipe (4) extends to the bottom of the treatment box (1). Inside, the rectangular box (2) is provided with a fan mechanism, the right side of the rectangular box (2) is provided with an air intake pipe (3), the processing box (1) is provided with a partition (15), and the top of the processing box (1) An inlet (16) is provided, and a stirring mechanism is arranged on the outside of the processing box (1), and the stirring mechanism is connected to the fan mechanism in transmission. The top of the processing box (1) is provided with an elbow (17). The ends are respectively located on both sides of the partition (15), the top of the processing box (1) is provided with a mounting hole (21), and a filter box (25) is movably installed in the mounting hole (21), and the top of the filter box (25) is set Mounting plate (23) is arranged, and mounting plate (23) is connected with the top of processing box (1), and the both sides of filter box (25) offer air inlet (27) and air outlet (31) respectively, air inlet ( 27) is provided with grid net (28) in, is provided with activated carbon adsorption particle (29) in processing box (1), and the position of air outlet (31) is provided with rectangular frame (32), is provided with in rectangular frame (32) Filter screen (33), the left side of processing case (1) is provided with outlet pipe (22). 2. A liquid chemical tail gas recovery treatment device according to claim 1, characterized in that the fan mechanism includes a fixed rod (9), which is installed on the inner wall of the rectangular box (2) , the fan shaft (10) is rotated and installed on the fixed rod (9), and the fan (14) is installed on the top of the fan shaft (10). 3. A tail gas recovery treatment device for liquid chemicals according to claim 2, characterized in that, the outside of the rectangular box (2) is rotatably equipped with a linkage shaft (11), and the inner end of the linkage shaft (11) A first bevel gear (12) is installed, a second bevel gear (13) is sheathed on the outside of the fan shaft (10), and the first bevel gear (12) meshes with the second bevel gear (13). 4. A kind of tail gas recovery and processing equipment of liquid chemicals according to claim 3, characterized in that, the stirring mechanism comprises a motor (6) and a stirring shaft (7), and the motor (6) is installed in the processing box (1 ), a stirring shaft (7) is installed on the output shaft of the motor (6), and the stirring shaft (7) is rotated and installed in the processing box (1), and a plurality of stirring rods (8) are installed on the outside of the stirring shaft (7). ), the stirring shaft (7) is connected with the drive shaft (11) transmission. 5. A kind of tail gas recovery and treatment equipment of liquid chemicals according to claim 4, characterized in that, the outer sides of the stirring shaft (7) and the linkage shaft (11) are both sleeved with pulleys (19), two The outer sheath of belt pulley (19) is provided with same belt (20). 6. The tail gas recovery and treatment equipment for liquid chemicals according to claim 1, characterized in that, both sides of the filter box (25) are provided with rectangular notches (26), two rectangular notches (26) Notch bars (30) are slidingly installed inside, and two notch bars (30) are fixedly connected with the inner walls on both sides of the processing box (1). 7. A kind of tail gas recovery treatment equipment of liquid chemicals according to claim 1, is characterized in that, four bolts (24) are threadedly connected to the top of the mounting plate (23), and the bolts (24) are connected with the treatment box The top of (1) is threaded, and the bottom of mounting plate (23) is provided with sealing ring (40), and sealing ring (40) contacts with the top of treatment box (1). 8. A kind of tail gas recovery treatment equipment of liquid chemicals according to claim 1, characterized in that, two handles (35) are installed on the outside of the rectangular frame (32), and on the inner wall of the air outlet hole (31) The limit block (38) is installed, and the rectangular frame (32) is in contact with the two limit blocks (38). 9. A kind of tail gas recovery treatment equipment of liquid chemicals according to claim 1, characterized in that, the top and the bottom of the rectangular frame (32) are provided with elastic grooves (34), two elastic grooves (34 ) are slidingly installed with an elastic rod (37), the same spring (36) is installed between the elastic rod (37) and the elastic groove (34), and arcs are arranged on the top inner wall and the bottom inner wall of the air outlet (31). Shaped draw-in groove (39), elastic bar (37) and arc-shaped draw-in groove (39) two-way clamping connection. 10. A method for using tail gas recovery and treatment equipment for liquid chemicals, comprising the following steps: S1: Prepare the equipment, connect the power supply and the controller (18), add liquid to the inside of the treatment tank (1) through the inlet (16), and connect the intake pipe (3) with the exhaust gas; S2: Start the motor (6), the motor (6) drives the stirring shaft (7) to rotate, the stirring shaft (7) drives the linkage shaft (11) to rotate through two pulleys (19) and the belt (20), and the linkage shaft (11) The first bevel gear (12) and the second bevel gear (13) drive the fan shaft (10) to rotate, the fan shaft (10) drives the fan (14) to rotate, and the exhaust gas can be sucked into the rectangular box ( 2), and then through the introduction pipe (4) into the liquid for initial filtration, the impurities in the tail gas and most of the water-soluble chemical substances can be adsorbed; S3: The exhaust gas filtered by the liquid enters the left side of the partition (15) through the elbow (17), then enters the filter box (25) through the grid (28), and is absorbed by the activated carbon in the filter box (25) Particles (29) can absorb and filter the tail gas, and can absorb the peculiar smell in the tail gas; S4: The set filter screen (33) is the last layer of filtering method, the filter screen (33) is made of polymer film, and the remaining chemical substances are blocked and filtered, and then the exhaust gas is discharged through the outlet pipe (22); S5: After using for a period of time, it is necessary to clean and replace the activated carbon adsorption particles (29) and the filter screen (33), remove the bolts (24), pull the mounting plate (23), and the mounting plate (23) drives the filter box (25) to move upward And leave the processing box (1), then pull the rectangular frame (32) by two handles (35) to move and leave the air outlet (31), you can open the filter box (25), replace the activated carbon adsorption particles (29), and simultaneously The filter screen (33) is cleaned, and after completion, the rectangular frame (32) is installed in the air outlet (31), and the two stoppers (38) provided with the rectangular frame (32) stop, and the spring (36) is The elastic rod (37) provides elastic force, so that the elastic rod (37) enters the arc-shaped draw-in groove (39), and the rectangular frame (32) can be fixed, and finally the filter box (25) is reinstalled in the processing box (1). Can.

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