Wastewater treatment device for fluorobenzene production

Abstract

The invention belongs to the technical field of wastewater treatment, and discloses a fluorobenzene production wastewater treatment device which comprises a device body, supporting legs are symmetrically mounted at the lower end of the device body, a water outlet pipe is connected to the lower end of the left side of the device body, a water inlet pipe is arranged at the upper end of the device body, and a first flow guide pipe is connected to the lower end of the water inlet pipe; the upper end of the right side of the device body is connected with a waste gas filtering pipe, the upper end of the left side of the device body is connected with a discharging hopper, the interior of the discharging hopper is connected with a transmission rod, the exterior of the transmission rod is connected with a grinding roller, and the transmission rod is arranged in the device body. According to the wastewater treatment device for fluorobenzene production, by arranging a stirring linkage medicament grinding structure, a medicament can be ground and crushed, the particle size of the medicament is reduced, the powdery medicament can be dissolved in wastewater more quickly, and the mixing efficiency and the wastewater purification efficiency are improved.

Description

Technical Field

[0001] The invention relates to the technical field of wastewater treatment, in particular to a wastewater treatment device for fluorobenzene production. Background Art

[0002] Fluorobenzene is a colorless liquid, insoluble in water, miscible with ethanol, ether, acetone and benzene. Fluorobenzene will produce wastewater during the production process. In order to avoid direct discharge and pollution of the environment, the wastewater during production needs to be treated, and wastewater treatment equipment needs to be used.

[0003] However, there are still some problems in the use of the existing wastewater treatment equipment for fluorobenzene production: There is a Chinese patent application number CN202322770147.6, which discloses a wastewater treatment device for florfenicol production, comprising a decolorizing tank, a discharge port being provided at the bottom of the decolorizing tank, a wastewater treatment component being provided on the discharge port, a treatment tank being provided on the wastewater treatment component, a water inlet pipe being connected through the top of the treatment tank, and a one-way valve being provided on the water inlet pipe; However, the wastewater treatment device only uses simple filtration for treatment. First, the filter material is difficult to completely filter out the internal harmful substances or pollutants, and further purification treatment may be required later; At the same time, most existing wastewater treatment devices have low mixing efficiency between reagents and wastewater during use, and cannot be quickly and fully stirred, which affects the treatment efficiency of wastewater. At the same time, the dosage ratio of the reagents is difficult to control.

[0004] In view of the above problems, an innovative design was carried out based on the original wastewater treatment device for fluorobenzene production. Summary of the invention

[0005] The object of the present invention is to provide a wastewater treatment device for fluorobenzene production, so as to solve the problem mentioned in the above background technology that the existing wastewater treatment device is difficult to control the dosage ratio of the reagent, and the dissolution efficiency of the reagent is low during treatment, and it is difficult to quickly and fully stir the reagent, resulting in low wastewater treatment efficiency.

[0006] To achieve the above object, the present invention provides the following technical solution: a wastewater treatment device for fluorobenzene production, comprising a device body: The lower end of the device body is symmetrically equipped with support legs, and the lower end of the left side of the device body is connected to a water outlet pipe, the upper end of the device body is provided with a water inlet pipe, and the lower end of the water inlet pipe is connected to a first guide pipe, and the lower end of the first guide pipe is conductively connected to the inside of the device body, and the upper end of the right side of the device body is connected to an exhaust gas filter pipe; The upper left end of the device body is connected to a lower hopper, the interior of the lower hopper is connected to a transmission shaft, and the exterior of the transmission shaft is connected to a grinding roller; A transmission rod is arranged inside the main body of the device, and a transmission plate is connected to the upper end of the transmission rod, a stirring shaft is passed through both ends of the transmission plate, and a stirring blade is connected to the outer wall of the stirring shaft; A sealing tube is provided at the lower end of the device body, and a piston is provided inside the sealing tube. The two sides of the lower end of the sealing tube are respectively connected to the first air outlet one-way valve and the air inlet one-way valve. The end of the first air outlet one-way valve is connected to the second guide pipe, and the end of the second guide pipe is connected to the air outlet pipe, and the upper end of the air outlet pipe passes through the inside of the device body.

[0007] Preferably, the transmission shaft is rotatably connected to the inner wall of the lower hopper, the upper end of the grinding roller is designed with a conical structure, and the grinding roller is adapted to the inner wall of the lower hopper, the upper end of the transmission shaft is connected to a first pulley, the upper end of the power motor is connected to a second pulley, and a transmission belt is connected between the first pulley and the second pulley.

[0008] By adopting the above technical scheme, the wastewater purification agent can be ground and crushed through the cooperation of the grinding roller and the lower hopper, thereby reducing the particle size of the agent and improving the dissolution efficiency of the agent.

[0009] Preferably, the second pulley is rotatably connected to the upper shaft end of the power motor, and the inner wall of the second pulley is connected to an inner ratchet, the outer wall of the upper shaft end of the power motor is rotatably connected to a pawl, and the pawl is meshingly connected to the inner ratchet, and a return spring is connected between the end of the pawl and the outer wall of the upper shaft end of the power motor.

[0010] By adopting the above technical solution, through the cooperation of the inner ratchet and the pawl, the second pulley can be driven to rotate synchronously when the power motor rotates forward. The second pulley uses the transmission belt to drive the first pulley, the transmission shaft and the grinding roller to rotate synchronously, thereby providing rotational power for the medicine crushing structure. Due to the design of the ratchet structure, the feeding of the medicine is stopped when the power motor rotates in the reverse direction for stirring.

[0011] Preferably, a power motor is installed at the upper end of the device body, and a first connecting rod is connected to the lower shaft end of the power motor. The first connecting rod is designed as a square structure, and the lower end of the first connecting rod is slidably connected to the transmission rod.

[0012] By adopting the above technical solution, the first connecting rod can be driven to rotate by the power motor, and the first connecting rod can be used to drive the transmission rod, the transmission plate and the stirring shaft to rotate synchronously, thereby providing rotational power for the stirring structure.

[0013] Preferably, the stirring shaft is rotatably connected to the transmission plate, and the stirring shaft is symmetrically distributed on both sides of the transmission plate, and the stirring blades are distributed in an array equidistant from the outside of the stirring shaft.

[0014] By adopting the above technical solution, the multiple groups of stirring blades distributed in an array cooperate with the stirring shaft, which can improve the stirring effect during stirring and improve the efficiency of mixing the reagent and the wastewater.

[0015] Preferably, a second connecting rod passes through the upper end of the stirring shaft, the second connecting rod is designed as a square structure, and the second connecting rod is slidingly connected to the stirring shaft, and the upper end of the second connecting rod is connected to a driven gear, a transmission gear ring is fixed to the inner wall of the upper end of the device body, and a positioning ring is provided on the outside of the transmission gear ring, and the upper end of the positioning ring is rotatably connected to the inner wall of the device body, the top end of the second connecting rod is rotatably connected to the positioning ring, and the transmission gear ring is meshingly connected to the driven gear.

[0016] By adopting the above technical solution, the transmission plate can drive the stirring shaft to rotate around the transmission rod, and during the rotation process, the driven gear and the transmission gear ring can be cooperated to drive the driven gear and the second connecting rod to rotate, and the second connecting rod can be used to drive the stirring shaft and the stirring blade to rotate, thereby further improving the stirring effect and stirring efficiency.

[0017] Preferably, the sealing tube is slidably connected to the piston, the lower end of the transmission rod passes through the interior of the sealing tube, and the lower end of the transmission rod is connected to the piston, a reciprocating screw is fixed to the bottom end of the sealing tube, and the upper end of the reciprocating screw passes through the piston and extends to the interior of the transmission rod, and the lower end of the transmission rod is threadedly connected to the reciprocating screw.

[0018] By adopting the above technical solution, through the cooperation between the reciprocating screw and the transmission rod, when the transmission rod rotates, it can reciprocate and rise and fall, and drive the stirring structure to rise and fall synchronously, which can improve the stirring range and stirring efficiency, and use the transmission rod to drive the piston to move synchronously during the lifting process.

[0019] Preferably, two groups of the second flow guide pipes and the air outlet pipes are provided, and the second flow guide pipes and the air outlet pipes are symmetrically distributed at both ends of the first air outlet one-way valve, a sealing plate is provided in the middle of the air outlet pipe, and two groups of second air outlet one-way valves are embedded and installed inside the sealing plate, and the second flow guide pipe is connected to the interior of the device body through the second air outlet one-way valve, a filter cover is connected to the lower end of the device body, and the lower end of the air inlet one-way valve extends to the inside of the filter cover.

[0020] By adopting the above technical solution, the piston reciprocates inside the sealed tube, and the external air can be continuously sucked into the sealed tube through the air inlet check valve, and then the gas is transported to the inside of the device body through the cooperation of the first air outlet check valve, the guide tube, the second air outlet check valve and the air outlet pipe, and the generated bubbles are used to improve the efficiency of drug dissolution.

[0021] Preferably, a transmission shaft is provided inside the air outlet pipe, and the transmission shaft is rotatably connected to the sealing plate, a fan blade is provided at the lower end of the sealing plate, and the fan blade is fixedly connected to the transmission shaft, a movable plate is connected to the upper end of the transmission shaft, and the movable plates are distributed in a circular array with the transmission shaft as the center.

[0022] By adopting the above technical solution, the flow of gas from the inside of the outlet pipe can drive the fan blades to rotate, and the fan blades drive multiple sets of movable plates to rotate synchronously through the transmission shaft. When the movable plates rotate, they can break up the large bubbles generated by the incoming air into small bubbles, further accelerating the dissolution rate of the medicine.

[0023] Compared with the prior art, the beneficial effects of the present invention are: the wastewater treatment device for fluorobenzene production, by being provided with a reagent grinding structure with stirring linkage, can grind and crush the reagent, reduce the particle size of the reagent, and the powdered reagent can be dissolved in the wastewater more quickly, thereby improving the mixing efficiency and the wastewater purification efficiency.

[0024] 1. By setting a lifting stirring structure, it can be lifted and lowered during stirring to improve the stirring effect. At the same time, a gear transmission structure is set, and the stirring shaft and stirring blades can rotate around the transmission rod while rotating, further improving the stirring efficiency. The transmission rod can provide power for the air intake structure during the lifting process; 2. By setting up the air intake structure, bubbles can be generated during the air intake process, thereby improving the dissolution efficiency of the reagent and wastewater. The power generated by the airflow can drive the crushing structure to rotate, breaking large bubbles into more small bubbles, further increasing the reagent solvent rate and improving the wastewater treatment efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the structure of the water inlet pipe and the first flow guide pipe of the present invention; Figure 3 It is a schematic diagram of the cross-sectional structure of the main body of the device of the present invention; Figure 4 This is a schematic diagram of the structure of the stirring shaft and stirring blades of the present invention; Figure 5 It is a schematic diagram of the transmission rod and the sealing tube structure of the present invention; Figure 6 It is a schematic diagram of the structure of the driven gear and the transmission gear ring of the present invention; Figure 7 This is a schematic diagram of the grinding roller and lower hopper structure of the present invention; Figure 8 It is a schematic diagram of the ratchet and pawl structure of the present invention; Fig. 9 This is a schematic diagram of the transmission shaft and fan blade structure of the present invention; Fig.10 For the present invention Figure 5 Enlarged structural diagram at A in the middle.

[0026] In the figure: 1. device body; 2. supporting leg; 3. water outlet pipe; 4. water inlet pipe; 5. exhaust gas filter pipe; 6. lower hopper; 7. grinding roller; 8. transmission shaft; 9. first pulley; 10. second pulley; 11. transmission belt; 12. inner ratchet; 13. pawl; 14. return spring; 15. power motor; 16. first connecting rod; 17. transmission rod; 18. transmission plate; 19. stirring shaft; 20. stirring blade; 21. positioning ring; 22. driven gear; 23. second connecting rod; 24. transmission gear ring; 25. sealing tube; 26. reciprocating screw; 27. first air outlet check valve; 28. second guide pipe; 29. ​​air outlet pipe; 30. air inlet check valve; 31. filter cover; 32. piston; 33. second air outlet check valve; 34. transmission shaft; 35. fan blade; 36. movable plate. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] See also Figure 1-Figure 10The present invention provides a technical solution: a wastewater treatment device for fluorobenzene production, comprising a device body 1 and a power motor 15, a support leg 2 is symmetrically installed at the lower end of the device body 1, and a water outlet pipe 3 is connected to the lower left end of the device body 1, a water inlet pipe 4 is arranged at the upper end of the device body 1, and an exhaust gas filter pipe 5 is connected to the upper right end of the device body 1; a lower hopper 6 is connected to the upper left end of the device body 1, and a transmission shaft 8 is connected inside the lower hopper 6, and a grinding roller 7 is connected outside the transmission shaft 8; the transmission shaft 8 is rotatably connected to the inner wall of the lower hopper 6, the upper end of the grinding roller 7 is designed in a conical structure, and the grinding roller 7 is adapted to the inner wall of the lower hopper 6, the upper end of the transmission shaft 8 is connected to a first pulley 9, the upper end of the power motor 15 is connected to a second pulley 10, and a transmission belt 11 is connected between the first pulley 9 and the second pulley 10; the second pulley 10 and the power The upper shaft end of the motor 15 is rotatably connected, and the inner wall of the second pulley 10 is connected to an inner ratchet 12, and the outer wall of the upper shaft end of the power motor 15 is rotatably connected to a pawl 13, and the pawl 13 is meshed with the inner ratchet 12, and a return spring 14 is connected between the end of the pawl 13 and the outer wall of the upper shaft end of the power motor 15; through the cooperation of the inner ratchet 12 and the pawl 13, the second pulley 10 can be driven to rotate synchronously when the power motor 15 rotates forward, and the second pulley 10 uses the transmission belt 11 to drive the first pulley 9, the transmission shaft 8 and the grinding roller 7 to rotate synchronously, providing rotational power for the drug crushing structure, and due to the design of the ratchet structure, the discharge of the drug is stopped when the power motor 15 rotates in the reverse direction and stirs, and the cooperation of the grinding roller 7 and the discharge hopper 6 can grind and crush the wastewater purification drug into powder, so as to improve the dissolution efficiency and indirectly improve the wastewater treatment efficiency.

[0029] A transmission rod 17 is arranged inside the device body 1, and a transmission plate 18 is connected to the upper end of the transmission rod 17, and stirring shafts 19 are passed through both ends of the transmission plate 18, and stirring blades 20 are connected to the outer wall of the stirring shaft 19; a power motor 15 is installed at the upper end of the device body 1, and a first connecting rod 16 is connected to the lower shaft end of the power motor 15, the first connecting rod 16 is designed as a square structure, and the lower end of the first connecting rod 16 is slidably connected to the transmission rod 17; the stirring shaft 19 is rotatably connected to the transmission plate 18, and the stirring shafts 19 are symmetrically distributed on both sides of the transmission plate 18, and the stirring blades 20 are equidistantly distributed in an array outside the stirring shaft 19; the rotation of the power motor 15 can drive the first connecting rod 16 to rotate, and the first connecting rod 16 is used to drive the transmission rod 17, the transmission plate 18, the stirring shaft 19 and the stirring blades 20 to rotate synchronously, thereby stirring and mixing the wastewater and the reagent inside the device body 1.

[0030] A second connecting rod 23 is passed through the upper end of the stirring shaft 19. The second connecting rod 23 is designed as a square structure, and the second connecting rod 23 is slidably connected to the stirring shaft 19, and the upper end of the second connecting rod 23 is connected to the driven gear 22. A transmission gear ring 24 is fixed to the inner wall of the upper end of the device body 1, and a positioning ring 21 is arranged outside the transmission gear ring 24, and the upper end of the positioning ring 21 is rotatably connected to the inner wall of the device body 1, the top of the second connecting rod 23 is rotatably connected to the positioning ring 21, and the transmission gear ring 24 is meshed with the driven gear 22; the sealing tube 25 is slidably connected to the piston 32, the lower end of the transmission rod 17 passes through the inside of the sealing tube 25, and the lower end of the transmission rod 17 is connected to the piston 32, and a reciprocating screw 26 is fixed to the bottom end of the sealing tube 25, and the reciprocating screw The upper end of 26 passes through the piston 32 and extends to the inside of the transmission rod 17, and the lower end of the transmission rod 17 is threadedly connected to the reciprocating screw 26; through the cooperation of the reciprocating screw 26 and the transmission rod 17, when the transmission rod 17 rotates, it can be reciprocated and lifted at the same time, and drive the stirring structure to rise and fall synchronously, thereby improving the stirring effect. At the same time, when the transmission plate 18 drives the stirring shaft 19 to rotate around the transmission rod 17, the driven gear 22 connected to the upper end of the second connecting rod 23 cooperates with the transmission gear ring 24 to drive the stirring shaft 19 and the stirring blade 20 to rotate, thereby further improving the stirring effect and the dissolution efficiency of the medicine. Because the stirring shaft 19 and the transmission rod 17 are respectively slidably connected to the second connecting rod 23 and the first connecting rod 16, the rotation transmission is not affected when the stirring structure is lifted and lowered.

[0031] A sealing tube 25 is provided at the lower end of the device body 1, and a piston 32 is provided inside the sealing tube 25. The two sides of the lower end of the sealing tube 25 are respectively connected to the first gas outlet check valve 27 and the gas inlet check valve 30. The end of the first gas outlet check valve 27 is connected to the second guide pipe 28, and the end of the second guide pipe 28 is connected to the gas outlet pipe 29, and the upper end of the gas outlet pipe 29 passes through the inside of the device body 1; the second guide pipe 28 and the gas outlet pipe 29 are each provided with two groups, and the second guide pipe 28 and the gas outlet pipe 29 are symmetrically distributed on the first gas outlet check valve. 27 at both ends, a sealing plate is provided in the middle of the air outlet pipe 29, and two sets of second air outlet one-way valves 33 are embedded and installed inside the sealing plate, and the second guide pipe 28 is connected to the inside of the device body 1 through the second air outlet one-way valve 33, the lower end of the device body 1 is connected to the filter cover 31, and the lower end of the air inlet one-way valve 30 extends to the inside of the filter cover 31; a transmission shaft 34 is provided inside the air outlet pipe 29, and the transmission shaft 34 is rotatably connected to the sealing plate, and a fan blade 35 is provided at the lower end of the sealing plate, and the fan blade 35 is fixedly connected to the transmission shaft 34, and the transmission shaft 34 is connected to the transmission shaft 34. The upper end of the shaft 34 is connected to a movable plate 36, and the movable plates 36 are arranged in a circular array with the transmission shaft 34 as the center. The transmission rod 17 can drive the piston 32 to reciprocate inside the sealing tube 25 during the lifting process, and the external air is sucked into the sealing tube 25 through the air inlet check valve 30 during the reciprocating motion. The design of the filter cover 31 can prevent dust or debris from entering the sealing tube 25. The air entering the sealing tube 25 passes through the first air outlet check valve 27, the second guide pipe 28, the second air outlet check valve 33 and the air outlet. The pipe 29 is used to transport the liquid to the inside of the device body 1 and enter the wastewater to generate bubbles, which can improve the dissolution efficiency of the medicine. When the airflow flows through the inside of the air outlet pipe 29, it can drive the fan blades 35 and the transmission shaft 34 to rotate. The transmission shaft 34 drives multiple groups of movable plates 36 to rotate, which can break up large bubbles into more small bubbles. The small bubbles can further increase the dissolution rate of the medicine, indirectly improving the treatment efficiency of the wastewater. The upward airflow can prevent the undissolved medicine particles from sinking to the bottom of the device body 1 and being difficult to dissolve.

[0032] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in the field. Although the embodiments of the present invention have been shown and described, it is understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. A wastewater treatment device for fluorobenzene production, comprising a device body (1) and a power motor (15), characterized in that: The lower end of the device body (1) is symmetrically provided with support legs (2), and the lower left end of the device body (1) is connected to a water outlet pipe (3), the upper end of the device body (1) is provided with a water inlet pipe (4), and the upper right end of the device body (1) is connected to an exhaust gas filter pipe (5); The upper left end of the device body (1) is connected to a lower hopper (6), the interior of the lower hopper (6) is connected to a transmission shaft (8), and the exterior of the transmission shaft (8) is connected to a grinding roller (7); A transmission rod (17) is arranged inside the device body (1), and the upper end of the transmission rod (17) is connected to a transmission plate (18), both ends of the transmission plate (18) are penetrated by a stirring shaft (19), and the outer wall of the stirring shaft (19) is connected to a stirring blade (20); A sealing tube (25) is provided at the lower end of the device body (1), and a piston (32) is provided inside the sealing tube (25); two sides of the lower end of the sealing tube (25) are respectively connected to a first gas outlet check valve (27) and a gas inlet check valve (30); the end of the first gas outlet check valve (27) is connected to a second flow guide tube (28), and the end of the second flow guide tube (28) is connected to an gas outlet tube (29); and the upper end of the gas outlet tube (29) passes through the inside of the device body (1).

2. A fluorobenzene production wastewater treatment device according to claim 1, characterized in that: The transmission shaft (8) is rotatably connected to the inner wall of the lower hopper (6); the upper end of the grinding roller (7) is designed with a conical structure, and the grinding roller (7) is adapted to the inner wall of the lower hopper (6); the upper end of the transmission shaft (8) is connected to a first pulley (9); the upper end of the power motor (15) is connected to a second pulley (10); and a transmission belt (11) is connected between the first pulley (9) and the second pulley (10).

3. A fluorobenzene production wastewater treatment device according to claim 2, characterized in that: The second pulley (10) is rotatably connected to the upper shaft end of the power motor (15), and the inner wall of the second pulley (10) is connected to an inner ratchet (12), the outer wall of the upper shaft end of the power motor (15) is rotatably connected to a pawl (13), and the pawl (13) is meshedly connected to the inner ratchet (12), and a return spring (14) is connected between the end of the pawl (13) and the outer wall of the upper shaft end of the power motor (15).

4. A fluorobenzene production wastewater treatment device according to claim 1, characterized in that: A power motor (15) is installed at the upper end of the device body (1), and a first connecting rod (16) is connected to the lower shaft end of the power motor (15). The first connecting rod (16) is designed as a square structure, and the lower end of the first connecting rod (16) is slidably connected to a transmission rod (17).

5. A fluorobenzene production wastewater treatment device according to claim 4, characterized in that: The stirring shaft (19) is rotatably connected to the transmission plate (18), and the stirring shaft (19) is symmetrically distributed on both sides of the transmission plate (18), and the stirring blades (20) are distributed in an array equidistant from the outside of the stirring shaft (19).

6. A fluorobenzene production wastewater treatment device according to claim 5, characterized in that: A second connecting rod (23) passes through the upper end of the stirring shaft (19); the second connecting rod (23) is of a square structure design, and the second connecting rod (23) is slidably connected to the stirring shaft (19), and the upper end of the second connecting rod (23) is connected to a driven gear (22); a transmission gear ring (24) is fixed to the inner wall of the upper end of the device body (1), and a positioning ring (21) is arranged outside the transmission gear ring (24), and the upper end of the positioning ring (21) is rotatably connected to the inner wall of the device body (1); the top end of the second connecting rod (23) is rotatably connected to the positioning ring (21), and the transmission gear ring (24) is meshingly connected to the driven gear (22).

7. A fluorobenzene production wastewater treatment device according to claim 6, characterized in that: The sealing tube (25) is slidably connected to the piston (32), the lower end of the transmission rod (17) penetrates into the sealing tube (25), and the lower end of the transmission rod (17) is connected to the piston (32), a reciprocating screw (26) is fixed to the bottom end of the sealing tube (25), and the upper end of the reciprocating screw (26) penetrates the piston (32) and extends into the transmission rod (17), and the lower end of the transmission rod (17) is threadedly connected to the reciprocating screw (26).

8. A fluorobenzene production wastewater treatment device according to claim 1, characterized in that: Two groups of the second flow guide pipe (28) and the air outlet pipe (29) are provided, and the second flow guide pipe (28) and the air outlet pipe (29) are symmetrically distributed at both ends of the first air outlet one-way valve (27). A sealing plate is provided in the middle of the air outlet pipe (29), and two groups of second air outlet one-way valves (33) are embedded and installed inside the sealing plate. The second flow guide pipe (28) is connected to the inside of the device body (1) through the second air outlet one-way valve (33). The lower end of the device body (1) is connected to a filter cover (31), and the lower end of the air inlet one-way valve (30) extends to the inside of the filter cover (31).

9. A fluorobenzene production wastewater treatment device according to claim 8, characterized in that: A transmission shaft (34) is arranged inside the air outlet pipe (29), and the transmission shaft (34) is rotatably connected to the sealing plate; a fan blade (35) is arranged at the lower end of the sealing plate, and the fan blade (35) is fixedly connected to the transmission shaft (34); a movable plate (36) is connected to the upper end of the transmission shaft (34), and the movable plates (36) are distributed in a ring array with the transmission shaft (34) as the center.

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