Equipment for recovering and treating pyroxasulfone production waste liquid
The filter plate is cleaned by a servo motor-driven stirring shaft that drives an arc-shaped cleaning brush to collect impurities at the discharge port. The waste liquid and waste gas are treated by oxidants and purifiers, which solves the problems of clogging and waste gas emission in the sulfonylpyrazine production waste liquid treatment equipment and achieves automated and environmentally friendly treatment.
Patent Information
- Application Number
- CN202422877702.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-25
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-11-25
AI Technical Summary
Existing sulfonylpyrazine production waste liquid treatment equipment suffers from the problem that solid particles easily accumulate and clog the filter plates during filtration, requiring frequent cleaning, and the direct emission of waste gas harms the environment and human health.
A servo motor drives the stirring shaft to move the arc-shaped cleaning brush to clean the filter plate, collect impurities at the discharge port, treat the waste liquid with an oxidant, and treat the waste gas through a purifier.
It achieves automated cleaning of filter plate blockage, reduces the need for manual maintenance, improves waste liquid treatment efficiency, and ensures harmless emission after waste gas purification.
Smart Images

Figure CN223674332U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of waste liquid treatment, more specifically, the utility model relates to a recovery treatment equipment for waste liquid of pyraflufen-ethyl production. BACKGROUND
[0002] Pyraflufen-ethyl is a new pyrazole selective herbicide, and the waste liquid thereof may contain unreacted raw materials, by-products, solvents and other harmful substances. If these waste liquids are directly discharged without proper treatment, they may pollute the environment, especially water bodies and soil, and long-term accumulation may have adverse effects on the ecosystem;
[0003] After searching, the existing patent (publication number: CN115925169B) discloses a waste liquid recovery treatment device, which comprises a coarse filtration device and a sedimentation filtration device in communication with the coarse filtration device; the coarse filtration device comprises a curved channel bin and a reciprocating cleaning mechanism assembled on the curved channel bin, the sedimentation filtration device comprises a sedimentation bin, a multi-layer cylinder assembly, a sliding filter piece assembly and a gas floating stirring mechanism, and the curved channel bin is fixedly communicated with the sedimentation bin; the device provided by the present application has compact structure, optimizes and accelerates the sedimentation purification filtration process, and improves the waste liquid recovery treatment efficiency. The inventor found the following problems in the process of implementing the utility model:
[0004] At present, the recovery treatment equipment for waste liquid of pyraflufen-ethyl production often accumulates solid particles and other impurities on the surface of the filter plate during waste liquid treatment and filtration, and frequent and regular cleaning is required to avoid blockage. It does not have an automatic cleaning mechanism, and pyraflufen-ethyl waste liquid may produce waste gas during the treatment process, which may directly discharge and cause harm to the environment and human health;
[0005] Therefore, a recovery treatment equipment for waste liquid of pyraflufen-ethyl production is proposed to solve the above problems. Utility model content
[0006] In order to overcome the above-mentioned defects of the prior art, the utility model provides a recovery treatment equipment for waste liquid of pyraflufen-ethyl production to solve the problems raised in the background art.
[0007] In order to achieve the above object, the utility model provides the following technical scheme: a kind of methalaxation production waste liquid's recovery processing equipment, including treatment tank, the top side of the treatment tank is provided with water inlet, and the inner wall of treatment tank is provided with filter plate above, and the inner wall center of the top of treatment tank is connected with stirring shaft by bearing, and the center of the filter plate is penetrated by stirring shaft, and the stirring shaft is connected by bearing between stirring shaft and filter plate, and the outer wall of the bottom of stirring shaft is arranged with stirring rod, and the center of the top of treatment tank is connected with servo motor, and the output end of servo motor is connected with stirring shaft, and servo motor drives stirring shaft to rotate, and stirring shaft rotates and drives stirring rod to rotate synchronously, and the outer wall of the top of stirring shaft is connected with arc cleaning brush, and the bottom end of arc cleaning brush is in abutment with filter plate, and the outer wall of the upper portion of treatment tank is equipped with waste collection box, and waste collection box is annular and is welded with treatment tank, and the outer wall of the edge of treatment tank at filter plate is arranged with discharge port, and discharge port is communicated with waste collection box.
[0008] Preferably, the bottom end of the waste collection box is arranged in communication with a filter pipe, the end of the filter pipe away from the waste collection box is in communication with the treatment tank, a filter screen is arranged on the top of the filter pipe, and a top cover is arranged on the top of the waste collection box.
[0009] Preferably, the side of the servo motor away from the water inlet is provided with a medicament tank, the medicament tank is in communication with the treatment tank at the medicament outlet end, an electromagnetic valve is arranged at the medicament outlet end of the medicament tank, a pH sensor probe is arranged on the inner wall of one side of the treatment tank, a controller is arranged on one side of the medicament tank, and the controller is connected with the pH sensor probe and the electromagnetic valve through wires.
[0010] Preferably, an exhaust pipe is arranged on one side of the top of the treatment tank, and a waste gas purification machine is arranged in the middle of the exhaust pipe.
[0011] Preferably, a liquid discharge pipe is in communication with the bottom end of the treatment tank, and an activated carbon filter is arranged on one side of the liquid discharge pipe.
[0012] Preferably, a secondary treatment tank is in communication with the end of the liquid discharge pipe away from the treatment tank, and a liquid pump is arranged on one side of the activated carbon filter.
[0013] The utility model has the following technical effects and advantages:
[0014] Compared with the prior art, the sulfentrazone production waste liquid recycling device drives the stirring shaft to rotate through the servo motor, the stirring shaft drives the arc-shaped cleaning brush to rotate, the arc-shaped cleaning brush can clean the filter plate to avoid blockage, and since the arc-shaped cleaning brush is arc-shaped, the movement of the solid impurities on the filter plate is not completely along the axis direction of the arc-shaped cleaning brush, but has a force to the edge, so that the solid impurities can be pushed to the discharge port at the edge of the filter plate and then discharged into the waste collection box for collection, so as to facilitate centralized removal and recycling treatment, and the exhaust gas can be introduced into the exhaust gas purifier through the exhaust pipe for treatment and then discharged, so as to avoid harm to the environment and human health. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a whole structure schematic view of the utility model.
[0016] Figure 2 It is a front view structure schematic view of the utility model.
[0017] Figure 3 It is a waste collection box and treatment tank connection structure schematic view of the utility model.
[0018] Figure 4 It is an arc-shaped cleaning brush and filter plate connection structure schematic view of the utility model.
[0019] The signs are: 1, treatment tank;2, water inlet;3, filter plate;4, stirring shaft;5, stirring rod;6, servo motor;7, arc-shaped cleaning brush;8, waste collection box;9, discharge port;10, filter pipe;11, filter screen;12, top cover;13, medicament tank;14, electromagnetic valve;15, pH sensor probe;16, controller;17, exhaust pipe;18, exhaust gas purifier;19, liquid discharge pipe;20, activated carbon filter;21, secondary treatment tank;22, liquid pump. DETAILED DESCRIPTION
[0020] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model. Embodiment 1
[0021] As shown in the accompanying drawings Figures 1 to 3The sulfentrazone production waste liquid recovery processing equipment shown, including processing tank 1, the top of processing tank 1 is provided with water inlet 2, the inner wall of processing tank 1 is provided with filter plate 3, the top of the inner wall of processing tank 1 is connected with stirring shaft 4 through bearing, stirring shaft 4 penetrates the center of filter plate 3, stirring shaft 4 is connected with filter plate 3 through bearing, the bottom outer wall of stirring shaft 4 is arranged with stirring rod 5, the top center of processing tank 1 is connected with servo motor 6, the output end of servo motor 6 is connected with stirring shaft 4, servo motor 6 drives stirring shaft 4 to rotate, stirring shaft 4 drives stirring rod 5 to rotate synchronously, the top outer wall of stirring shaft 4 is connected with arc-shaped cleaning brush 7, the bottom end of arc-shaped cleaning brush 7 abuts with filter plate 3, the upper outer wall of processing tank 1 is sleeved with waste collection box 8, waste collection box 8 is annular and is welded with processing tank 1, the outer wall of processing tank 1 at the edge of filter plate 3 is arranged with discharge port 9, discharge port 9 is communicated with waste collection box 8.
[0022] Wherein: through water inlet 2, waste liquid pipeline can be communicated, so as to pour sulfentrazone and its composition production waste liquid into processing tank 1 for recovery treatment, after the waste liquid enters processing tank 1, the solid waste such as particles in the waste liquid can be filtered through filter plate 3, stirring shaft 4 is driven to rotate by servo motor 6, stirring rod 5 is driven to rotate synchronously by stirring shaft 4, stirring rod 5 can stir the waste liquid to facilitate the mixing of the waste liquid and the oxidizing agent solution, at the same time, arc-shaped cleaning brush 7 is driven to rotate by stirring shaft 4, arc-shaped cleaning brush 7 rotates to clean filter plate 3 to avoid blockage, at the same time, because it is arc-shaped, the movement of solid impurities on filter plate 3 is not completely along the axis direction of arc-shaped cleaning brush 7, but there is a force to the edge, which can push the solid impurities to the discharge port 9 at the edge of filter plate 3 and then to waste collection box 8 for collection, so as to concentrate and take out for recovery treatment. Example 2
[0023] Based on the basis of example 1, the scheme in example 1 is further refined and introduced in combination with the following specific working mode, such as Figures 1 to 4 As shown, see the following description in detail:
[0024] As a preferred embodiment, the bottom end of waste collection box 8 is arranged in communication with filter water pipe 10, one end of filter water pipe 10 away from waste collection box 8 is communicated with processing tank 1, filter screen 11 is arranged on the top of filter water pipe 10, top cover 12 is arranged on the top of waste collection box 8; further, the waste liquid entering waste collection box 8 can be discharged to processing tank 1 for recovery treatment through filter water pipe 10, filter screen 11 plays a filtering role, the collected solid impurities can be taken out for subsequent recovery and cleaning work by opening top cover 12.
[0025] As a preferred embodiment, the medicament tank 13 is arranged on the side of the servo motor 6 away from the water inlet 2, the discharge end of the medicament tank 13 is communicated with the treatment tank 1, the discharge end of the medicament tank 13 is provided with an electromagnetic valve 14, the inner wall of one side of the treatment tank 1 is provided with a pH sensor probe 15, one side of the medicament tank 13 is provided with a controller 16, and the controller 16 is connected with the pH sensor probe 15 and the electromagnetic valve 14 through wires; further, the medicament tank 13 can be provided with hydrogen peroxide, ozone, chlorine, chlorine dioxide and other oxidants, the oxidants are used for oxidizing treatment of the waste liquid, the molecular structure of the cyclic molecules or long-chain molecules of the refractory organic matter in the production waste liquid is destroyed by oxidation, so that the macromolecular substances are changed into small molecular substances, and the biodegradability of the waste liquid is improved, the pH value of the current solution can be detected by the pH sensor probe 15, when the required pH value is reached, the signal is transmitted to the controller 16, and the controller 16 controls the electromagnetic valve 14 to be closed, so as to stop the output of the medicament.
[0026] As a preferred embodiment, the top side of the treatment tank 1 is provided with an exhaust pipe 17, and the middle part of the exhaust pipe 17 is communicated with a waste gas purification machine 18; further, volatile organic compounds, hydrogen sulfide, ammonia and other waste gases are generated in the mesotrione waste liquid recovery process, if these gases are directly discharged into the atmosphere without proper treatment, it may cause harm to the environment and human health, the waste gas can be introduced into the waste gas purification machine 18 through the exhaust pipe 17 for treatment and then discharged, so as to avoid harm to the environment and human health.
[0027] As a preferred embodiment, the bottom end of the treatment tank 1 is communicated with a liquid discharge pipe 19, and one side of the liquid discharge pipe 19 is communicated with an activated carbon filter 20; further, the waste liquid can be discharged through the liquid discharge pipe 19, and the activated carbon filter 20 is used for further filtering treatment of the treated waste liquid.
[0028] As a preferred embodiment, the end of the liquid discharge pipe 19 away from the treatment tank 1 is communicated with a secondary treatment tank 21, and one side of the activated carbon filter 20 is provided with a liquid pump 22; further, the liquid pump 22 can discharge the waste liquid to the secondary treatment tank 21 through the liquid discharge pipe 19, and the waste liquid can be subjected to secondary recovery treatment through the secondary treatment tank 21.
[0029] The working process of the utility model is as follows: firstly, the water inlet 2 can be connected with the waste liquid pipeline to facilitate the recovery treatment of the production waste liquid of metribuzin and its composition poured into the treatment tank 1, the solid waste such as particles in the waste liquid can be filtered through the filter plate 3 after the waste liquid enters the treatment tank 1, the stirring shaft 4 is driven to rotate by the servo motor 6, the stirring shaft 4 drives the stirring rod 5 to rotate synchronously, the stirring rod 5 can agitate the waste liquid to facilitate the mixing of the waste liquid and the oxidant solution, at the same time, the arc-shaped cleaning brush 7 is driven to rotate by the rotating stirring shaft 4, the rotating arc-shaped cleaning brush 7 can clean the filter plate 3 to avoid blockage, at the same time, due to the arc shape, the movement of the solid impurities on the filter plate 3 is not completely along the axis direction of the arc-shaped cleaning brush 7, but there is a force to the edge, which can push the solid impurities to the discharge port 9 at the edge of the filter plate 3 and then discharge them into the waste collection box 8 for collection, so as to facilitate the centralized removal for recovery treatment and other work, the waste liquid in the waste collection box 8 can be discharged into the treatment tank 1 for recovery treatment through the filter pipe 10, the filter screen 11 plays a filtering role, the collected solid impurities can be removed for subsequent recovery and cleaning work by opening the top cover 12, the oxidant such as hydrogen peroxide, ozone, chlorine and chlorine dioxide can be arranged in the medicament tank 13, the waste liquid is recovered and treated by oxidation method through the oxidant, the molecular structure of the cyclic molecules or long-chain molecules of the refractory organic matter in the production waste liquid is destroyed by oxidation, so that the macromolecular substances become small molecular substances, the biodegradability of the waste liquid is improved, the pH value of the current solution can be detected by the pH value sensor probe 15, when the required pH value is reached, the signal is transmitted to the controller 16, the controller 16 controls the electromagnetic valve 14 to close, so that the output of the medicament is stopped, volatile organic compounds, hydrogen sulfide, ammonia and other waste gas are generated in the metribuzin waste liquid recovery process, if these gases are directly discharged into the atmosphere without proper treatment, they may cause harm to the environment and human health, the waste gas can be introduced into the waste gas purification machine 18 through the exhaust pipe 17 for treatment and then discharged, so as to avoid harm to the environment and human health, the waste liquid can be discharged through the liquid discharge pipe 19, the activated carbon filter 20 further filters the treated waste liquid, the liquid pump 22 can discharge the waste liquid to the secondary treatment tank 21 through the liquid discharge pipe 19, the waste liquid can be recovered and treated twice through the secondary treatment tank 21, the working principle of the metribuzin production waste liquid recovery treatment equipment is as above.
Claims
1. A recycling and treatment device for sulfonylpyrazine production waste liquid, comprising a treatment tank (1), characterized in that: A water inlet (2) is provided on one side of the top of the treatment tank (1). A filter plate (3) is provided on the upper part of the inner wall of the treatment tank (1). A stirring shaft (4) is connected to the center of the top inner wall of the treatment tank (1) through a bearing. The stirring shaft (4) passes through the center of the filter plate (3). The stirring shaft (4) and the filter plate (3) are connected by a bearing. Stirring rods (5) are arranged on the bottom outer wall of the stirring shaft (4). A servo motor (6) is connected to the center of the top of the treatment tank (1). The output end of the servo motor (6) is connected to the stirring shaft (4). The motor (6) drives the stirring shaft (4) to rotate, and the rotation of the stirring shaft (4) drives the stirring rod (5) to rotate synchronously. An arc-shaped cleaning brush (7) is connected to the top outer wall of the stirring shaft (4). The bottom end of the arc-shaped cleaning brush (7) abuts against the filter plate (3). A waste collection box (8) is fitted on the upper outer wall of the treatment tank (1). The waste collection box (8) is welded to the treatment tank (1) in a ring shape. A discharge port (9) is arranged on the outer wall of the treatment tank (1) at the edge of the filter plate (3). The discharge port (9) is connected to the waste collection box (8).
2. The recycling and treatment equipment for sulfonylpyrazine production waste liquid according to claim 1, characterized in that: The bottom of the waste collection box (8) is connected to a water filter pipe (10). The end of the water filter pipe (10) away from the waste collection box (8) is connected to the treatment tank (1). A filter screen (11) is provided on the top of the water filter pipe (10). A top cover (12) is provided on the top of the waste collection box (8).
3. The recycling and treatment equipment for sulfonylpyrazine production waste liquid according to claim 1, characterized in that: A medicine tank (13) is provided on the side of the servo motor (6) away from the water inlet (2). The medicine tank (13) discharge end is connected to the treatment tank (1). A solenoid valve (14) is provided on the medicine tank (13) discharge end. A pH sensor probe (15) is provided on the inner wall of one side of the treatment tank (1). A controller (16) is provided on one side of the medicine tank (13). The controller (16) is connected to the pH sensor probe (15) and the solenoid valve (14) by wires.
4. The recycling and treatment equipment for sulfonylpyrazine production waste liquid according to claim 1, characterized in that: An exhaust pipe (17) is provided on one side of the top of the treatment tank (1), and a waste gas purifier (18) is connected to the middle of the exhaust pipe (17).
5. The recycling and treatment equipment for sulfonylpyrazine production waste liquid according to claim 1, characterized in that: The bottom of the treatment tank (1) is connected to a drain pipe (19), and one side of the drain pipe (19) is connected to an activated carbon filter (20).
6. The recycling and treatment equipment for sulfonylpyrazine production waste liquid according to claim 5, characterized in that: The end of the drain pipe (19) away from the treatment tank (1) is connected to the secondary treatment tank (21), and a liquid pump (22) is provided on one side of the activated carbon filter (20).
Citation Information
Patent Citations
A waste liquid recycling and treatment device
CN115925169B