Chlor-alkali industrial wastewater zero discharge device

Abstract

The invention belongs to the technical field of wastewater discharge, and particularly discloses a chlor-alkali industrial wastewater zero-discharge device which comprises a treatment tank, a support is fixedly mounted at the bottom of the treatment tank, feeding ports are uniformly formed in the outer wall of the treatment tank, and feeding holes are formed in the outer wall of the treatment tank. A first electric push rod is fixedly mounted on the outer wall of the treatment tank, a sealing cover is slidably assembled on the outer wall of the treatment tank, the stirring assembly is in close fit with the feeding assembly, the discharging assembly and the like, and after the feeding assembly conveys wastewater to the treatment tank, the stirring assembly is rapidly started to stir the wastewater and add chemicals; according to the invention, the wastewater can reach a proper treatment state in a short time, full preparation is made for subsequent precipitation and purification treatment, and the discharging assembly discharges a precipitation layer in time according to the formation condition of the precipitation layer after stirring treatment is completed, so that enough space is always kept in the treatment tank for subsequent wastewater treatment work, and the treatment efficiency is improved. And the treatment process in the treatment tank is ensured to be continuously and stably carried out.

Description

Technical Field

[0001] The invention belongs to the technical field of wastewater discharge, and in particular relates to a chlor-alkali industrial wastewater zero discharge device. Background Art

[0002] Zero wastewater discharge means that after industrial water is reused, the salt content and pollutants are highly concentrated into wastewater and all of them are recycled, or the water-insoluble substances are filtered out by a filter press and then recycled, without any waste liquid being discharged from the factory. The current zero-discharge steps for chlor-alkali industrial wastewater mainly include filtration, precipitation and crystallization.

[0003] After searching, Chinese patent CN213492158U proposes a zero-discharge device for chlor-alkali industrial wastewater, including a sedimentation tank and a silt outlet arranged at the bottom of the sedimentation tank, isolation plates that can isolate the bottom sediment are fixed on both sides of the bottom of the sedimentation tank, and a fixed groove is arranged inside the isolation plate, and an auxiliary device that can assist the movement of the isolation plate and can discharge the bottom sludge layer out of the sedimentation tank is slidably connected inside the fixed groove. This zero-discharge device for chlor-alkali industrial wastewater can separate the sedimentation layer and the wastewater layer inside the sedimentation tank through the isolation plate and the auxiliary device. The driving force of the auxiliary device can give a thrust to the sedimentation layer while separating the sedimentation layer and the wastewater layer, so that the bottom sedimentation layer is removed from the bottom of the sedimentation tank, so as to avoid the sedimentation layer at the bottom accumulating to a certain height during the sedimentation of the wastewater, affecting the transmission of the filtered wastewater to the crystallization box for crystallization, and the use effect is relatively good.

[0004] However, in actual use, it is found that the components used to discharge the sediment layer in the prior art require a large number of transmission components. From the perspective of the transmission components themselves, they are usually made of various materials such as metal, rubber, and plastic. When immersed in wastewater for a long time, the metal parts will suffer from electrochemical corrosion. Under the action of electrolytes such as acids and alkalis, the atoms on the metal surface gradually lose electrons, thereby causing the metal structure to be destroyed and the strength to be greatly reduced. The rubber and plastic parts will swell and age under the erosion of wastewater and the action of microorganisms, causing their elasticity and wear resistance to decrease sharply. Long-term immersion in wastewater will also cause the mechanical properties of the transmission components to deteriorate sharply. Corrosion and aging will reduce the matching accuracy between components, and generate additional friction and vibration during operation, which not only greatly increases energy consumption, but also seriously affects the stability and reliability of the equipment. Frequent fault repairs and replacement of components greatly increase the maintenance cost of the equipment, reduce production efficiency, and have an extremely adverse impact on the continuity and stability of the entire production process. Summary of the invention

[0005] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a zero-discharge device for chlor-alkali industrial wastewater.

[0006] To achieve the above purpose, the present invention provides a zero-discharge device for chlor-alkali industrial wastewater, comprising a treatment tank, a bracket is fixedly installed at the bottom of the treatment tank, a uniformly distributed feeding port is opened on the outer wall of the treatment tank, a first electric push rod is fixedly installed on the outer wall of the treatment tank, a sealing cover is slidably mounted on the outer wall of the treatment tank, a stirring assembly is arranged in the treatment tank, a discharging assembly is arranged in the treatment tank, and a feeding assembly is arranged at the bottom of the treatment tank; The stirring assembly is used to stir the wastewater in the treatment tank; The discharge assembly is used to discharge the sedimentation layer in the processing tank; The feeding assembly is used to transport wastewater into a treatment tank.

[0007] In the above technical solution, further, the feeding assembly includes a feeding cylinder fixedly connected to the inner wall of the bracket, a feeding pipe is inserted and fixedly connected between the feeding cylinder and the top of the processing tank, a pressure pump is provided on the feeding pipe, and the pressure pump is fixedly installed on the bracket.

[0008] In the above technical solution, further, the discharge assembly includes an isolation cylinder fixedly connected to the inner wall of the processing tank, the isolation cylinder is provided with evenly distributed entry holes, a movable plate is slidably installed in the entry hole, a second sealing plate is fixedly connected to the movable plate, a second electric push rod is fixedly installed on the top of the inner wall of the processing tank, a driving rod is fixedly connected to the output end of the second electric push rod, and the driving rod is connected to the second sealing plate, an extension tube is fixedly connected to the bottom of the isolation cylinder, and the extension tube corresponds vertically to the loading cylinder.

[0009] In the above technical solution, further, the top of the second sealing plate is fixedly connected to the first sealing plate via a fixing block.

[0010] In the above technical solution, further, the first sealing plate and the second sealing plate are both configured as conical structures, and a guide head is fixedly connected to the top of the isolation cylinder.

[0011] In the above technical solution, further, a drainage bucket is fixedly connected inside the isolation cylinder, a water guide plate is fixedly connected inside the extension tube, and one side of the movable plate is set as an inclined structure.

[0012] In the above technical solution, further, a filter plate is fixedly installed in the feed port.

[0013] In the above technical solution, further, the stirring assembly includes a motor fixedly mounted on the top of the processing tank, a rotating rod is fixedly connected to the output end of the motor, a stirring rod is symmetrically fixedly connected to the rotating rod, and a discharge plate is arranged on one side of the rotating rod.

[0014] In the above technical scheme, further, the unloading plate includes a water inlet plate fixedly connected to the rotating rod by a connecting rod, a connecting hole is opened at the top of the water inlet plate, and a uniformly distributed storage cavity is opened along the connecting hole in the water inlet plate, an entrance port and a second reduction port are respectively provided on both sides of the water inlet plate, and the entrance port and the second reduction port are both connected with the storage cavity, and a sealing ball is provided on one side of the storage cavity and the water inlet plate, the sealing ball includes a floating ball and elastic sheets fixedly connected to both sides of the floating ball, and the elastic sheets are respectively fixedly connected to the outer wall of the water inlet plate and the inner wall of the storage cavity, and a feed hopper is provided on the top of the water inlet plate, and the feed hopper corresponds to the position of the feeding port.

[0015] In the above technical solution, further, a first narrowing opening is provided on one side of the storage cavity.

[0016] Compared with the prior art, the present invention has the following beneficial effects: The stirring component works closely with the feeding component and the discharging component. After the feeding component transports the wastewater to the treatment tank, the stirring component starts quickly to stir the wastewater and add reagents to make the wastewater reach a suitable treatment state in a short time, making full preparations for subsequent sedimentation and purification treatment. After the stirring treatment is completed, the discharging component discharges the sedimentation layer in time according to the formation of the sedimentation layer to ensure that there is always enough space in the treatment tank for subsequent wastewater treatment work and to ensure that the treatment process in the treatment tank is carried out continuously and stably. This synergistic working method greatly optimizes the entire wastewater treatment process, improves the overall operating efficiency of the device, reduces operating costs, provides a solid and reliable technical guarantee for achieving zero discharge of chlor-alkali industrial wastewater, and enhances the competitiveness and practicality of the device in the field of industrial wastewater treatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of a zero-discharge device for chlor-alkali industrial wastewater proposed by the present invention; Figure 2 This is a schematic diagram of the internal structure of a treatment tank of a chlor-alkali industrial wastewater zero discharge device proposed by the present invention; Figure 3 for Figure 2 Schematic diagram of the structure of the middle part; Figure 4 This is a schematic diagram of the isolation cylinder structure of a chlor-alkali industrial wastewater zero discharge device proposed by the present invention; Figure 5 This is a schematic diagram of the structure of a stirring assembly of a chlor-alkali industrial wastewater zero discharge device proposed by the present invention; Figure 6 This is a schematic diagram of the internal structure of a water inlet plate of a chlor-alkali industrial wastewater zero discharge device proposed by the present invention; Figure 7This is a schematic structural diagram of the first reduction port and the second reduction port of a chlor-alkali industrial wastewater zero discharge device proposed by the present invention.

[0018] In the figure: 1. treatment tank; 2. bracket; 3. sealing cover; 4. first electric push rod; 5. feeding pipe; 6. pressure pump; 7. feeding cylinder; 8. feeding port; 9. driving rod; 10. second electric push rod; 11. motor; 12. rotating rod; 13. first sealing plate; 14. guiding head; 15. isolation cylinder; 16. second sealing plate; 17. movable plate; 18. inlet; 19. drainage bucket; 20. extension tube; 21. water guide plate; 22. filter plate; 23. feeding hopper; 24. stirring rod; 25. water inlet plate; 26. storage chamber; 27. blocking ball; 28. connecting hole; 29. ​​inlet; 30. first reduction port; 31. second reduction port; 32. floating ball; 33. elastic sheet. DETAILED DESCRIPTION

[0019] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments. Example

[0020] like Figure 1-Figure 7 A zero-discharge device for chlor-alkali industrial wastewater is shown, comprising a treatment tank 1, a bracket 2 is fixedly installed at the bottom of the treatment tank 1, a uniformly distributed feeding port 8 is opened on the outer wall of the treatment tank 1, a first electric push rod 4 is fixedly installed on the outer wall of the treatment tank 1, a sealing cover 3 is slidably mounted on the outer wall of the treatment tank 1, a stirring assembly is arranged in the treatment tank 1, a discharging assembly is arranged in the treatment tank 1, a feeding assembly is arranged at the bottom of the treatment tank 1, the discharging assembly is used to discharge the sedimentation layer in the treatment tank 1, the discharging assembly comprises an isolation cylinder 15 fixedly connected to the inner wall of the treatment tank 1, the isolation cylinder 15 is provided with uniformly distributed inlet holes 18, a movable plate 17 is slidably mounted in the inlet holes 18, a second sealing plate 16 is fixedly connected to the movable plate 17, a second electric push rod 10 is fixedly installed on the top of the inner wall of the treatment tank 1, a driving rod 9 is fixedly connected to the output end of the second electric push rod 10, and the driving rod 9 is connected to the second sealing plate 16, an extension pipe 20 is fixedly connected to the bottom of the isolation cylinder 15, and the extension pipe 20 corresponds vertically to the feeding cylinder 7.

[0021] In the above setting, when it is necessary to discharge the sediment layer at the bottom of the treatment tank 1, the output end of the second electric push rod 10 accurately drives the driving rod 9 to move, forming a stable and powerful pressure on the second sealing plate 16 connected to the driving rod 9. Under the action of this pressure, the second sealing plate 16 slides down smoothly along the inner wall of the treatment tank 1. Since the second sealing plate 16 is fixedly connected to the movable plate 17, it can synchronously drive the movable plate 17 to slide down, and the entry hole 18 that was originally tightly closed by the movable plate 17 is gradually opened, so that the treatment tank 1 is connected to the external space through the isolation tube 15. At this time, under the natural action of air pressure, the wastewater in the treatment tank 1 will quickly flow into the isolation tube 15 with the sediment layer, and then be smoothly discharged from the treatment tank 1 through the extension tube 20. After the sediment layer is discharged, the second electric push rod 10 can quickly drive the driving rod 9 to move up, so that the second sealing plate 16 is tightly fitted with the isolation tube 15 again, forming an effective closure, and closing the bottom of the treatment tank 1 in time, ensuring that the entire treatment process is efficient, orderly and safe, greatly improving the efficiency of sedimentation discharge, reducing manual intervention, and reducing labor intensity.

[0022] The top of the second sealing plate 16 is fixedly connected to the first sealing plate 13 through a fixing block. During the discharge of the sedimentation layer, the top of the second sealing plate 16 is firmly fixedly connected to the first sealing plate 13 through the fixing block. This ingenious design enables the first sealing plate 13 to move synchronously with the second sealing plate 16. During the discharge of the sedimentation layer, the first sealing plate 13 is tightly matched with the isolation cylinder 15. When the inlet hole 18 is opened and the sedimentation layer and part of the wastewater are discharged, the first sealing plate 13 can effectively limit the large amount of wastewater in the treatment tank 1 from being discharged to the outside, avoiding poor treatment effect or environmental pollution problems that may be caused by excessive discharge of wastewater, ensuring the precise controllability of the entire discharge process, and providing stable conditions for subsequent wastewater treatment procedures.

[0023] The first sealing plate 13 and the second sealing plate 16 are both set as conical structures, the top of the isolation cylinder 15 is fixedly connected with the guide head 14, the isolation cylinder 15 is fixedly connected with the drainage bucket 19, the extension tube 20 is fixedly connected with the water guide plate 21, and one side of the movable plate 17 is set as an inclined structure. The structural design of this device fully considers the guidance problem of the sedimentation layer. During the descent process, the first sealing plate 13 and the second sealing plate 16 of the conical structure use their unique shape to converge the sedimentation layer toward the inlet hole 18, and the guide head 14 can guide the wastewater and the sedimentation layer to smoothly enter the isolation cylinder. 15, the drainage bucket 19 further gathers and guides the sedimentation layer to make it flow quickly to the extension pipe 20. The water guide plate 21 in the extension pipe 20 can optimize the water flow path to ensure that the sedimentation layer and wastewater are discharged quickly and smoothly. The inclined structure of the movable plate 17 also helps to enter and guide the sedimentation layer during the sliding process. These carefully designed structures cooperate with each other and can quickly guide the sedimentation layer. Through these designs, the sedimentation discharge time is greatly shortened, the discharge efficiency is improved, and the efficient operation of the entire chlor-alkali industrial wastewater zero discharge device is guaranteed. Example

[0024] like Figure 1-7As shown, the feeding assembly is used to transport wastewater to the treatment tank 1. The feeding assembly includes a feeding barrel 7 fixedly connected to the inner wall of the bracket 2. A feeding pipe 5 is inserted and fixedly connected between the feeding barrel 7 and the top of the treatment tank 1. A pressure pump 6 is provided on the feeding pipe 5, and the pressure pump 6 is fixedly installed on the bracket 2. A filter plate 22 is fixedly installed in the feeding port 8. The feeding assembly of the chlor-alkali industrial wastewater zero discharge device provides a stable and efficient wastewater input guarantee for the entire wastewater treatment process. The pressure pump 6 provided on the feeding pipe 5 is the power core of the entire transportation process, and its operation is stable and reliable. It can generate strong The high pressure overcomes the resistance of the wastewater in the transportation process, ensuring that the wastewater is continuously transported from the feeding cylinder 7 to the treatment tank 1 at an appropriate flow rate and flow rate. This efficient transportation method greatly shortens the wastewater treatment cycle, improves the overall treatment efficiency, provides sufficient raw material supply for the smooth development of subsequent treatment processes such as sedimentation and purification, and ensures that the entire device can operate continuously and stably. The filter plate 22 fixedly installed in the feed port 8 plays a key role in filtering impurities in the process of wastewater entering the treatment tank 1. Chlor-alkali industrial wastewater usually contains various solid impurities, suspended matter and particles. If these impurities directly enter the treatment tank 1, they may affect the subsequent treatment effect and even damage the stirring component, discharge component, etc. in the treatment tank 1. The filter plate 22 adopts a special material and a fine filter structure, which can accurately intercept various impurities in the wastewater and only allow the wastewater that meets the requirements to enter the treatment tank 1 through the feed port 8. The impurity content of the wastewater after being filtered by the filter plate 22 is significantly reduced, which provides better raw materials for subsequent precipitation and purification treatment, effectively improves the quality and effect of the entire wastewater treatment, and ensures that the final discharged water quality can reach zero discharge. The strict standards are met. At the same time, the filter plate 22 can filter the wastewater discharged from the treatment tank 1, and its sedimentation layer is also effectively filtered, and the wastewater brought out can be transported to the treatment tank 1 again to complete the recovery of the wastewater. The layout of each part of the feeding component has been carefully designed, and it has achieved good coordinated operation with other components of the entire chlor-alkali industrial wastewater zero emission device. This optimized overall layout and coordinated operation mode make the operation of the entire device smoother and more efficient, improve resource utilization, reduce operating costs, and enhance the competitiveness and practicality of the device in the field of chlor-alkali industrial wastewater treatment. Example

[0025] like Figure 1-7As shown, the stirring assembly is used to stir the wastewater in the treatment tank 1, and the stirring assembly includes a motor 11 fixedly installed on the top of the treatment tank 1, a rotating rod 12 is fixedly connected to the output end of the motor 11, and a stirring rod 24 is symmetrically fixedly connected to the rotating rod 12. A feeding plate is provided on one side of the rotating rod 12, and the feeding plate includes a water inlet plate 25 fixedly connected to the rotating rod 12 through a connecting rod. A connecting hole 28 is provided on the top of the water inlet plate 25, and a uniformly distributed material storage cavity 26 is provided along the connecting hole 28 in the water inlet plate 25. The two sides of the water inlet plate 25 are respectively provided with The inlet 29 and the second narrowing port 31 are both connected to the storage chamber 26. A sealing ball 27 is provided on one side of the storage chamber 26 and the water inlet plate 25. The sealing ball 27 includes a floating ball 32 and an elastic sheet 33 fixedly connected to both sides of the floating ball 32. The elastic sheet 33 is respectively fixedly connected to the outer wall of the water inlet plate 25 and the inner wall of the storage chamber 26. A feed hopper 23 is provided on the top of the water inlet plate 25, and the feed hopper 23 corresponds to the position of the feeding port 8. A first narrowing port 30 is provided on one side of the storage chamber 26.

[0026] The stirring assembly of the zero-discharge device for chlor-alkali industrial wastewater realizes efficient and comprehensive stirring of the wastewater in the treatment tank 1. The output end of the motor 11 is tightly and firmly fixedly connected to the rotating rod 12 to ensure that the power of the motor 11 can be transmitted to the rotating rod 12 without loss. Driven by the motor 11, the rotating rod 12 rotates at a very high speed, so that the stirring rod 24 can generate strong shearing force and driving force when the rotating rod 12 runs at a high speed, and quickly break up various types of clump pollutants in the wastewater. Whether it is a large particle of suspended matter or a clump of organic pollutants with strong viscosity, it can be quickly decomposed. At the same time, the high-speed rotation of the stirring rod 24 can break the local concentration difference that may occur in the wastewater in the treatment tank 1, so that the various parts of the wastewater are fully mixed, so that the subsequent added agent can be evenly diffused into the entire wastewater system, providing a uniform reaction environment for the chemical reaction in the wastewater treatment process, greatly improving the reaction rate and effect, and creating favorable conditions for the subsequent precipitation and separation of impurities, significantly improving the efficiency and quality of wastewater treatment, and the unloading plate design in the stirring assembly is very innovative. The invention is novel and realizes accurate and intelligent addition of medicines and efficient mixing. The water inlet plate 25 firmly fixed on the rotating rod 12 by the connecting rod realizes synchronous rotation with the rotating rod 12, cleverly utilizing the rotation power of the rotating rod 12, without the need for an additional driving device, saving equipment cost and energy consumption. The connecting hole 28 opened on the top of the water inlet plate 25 ensures that the precipitant can smoothly enter the inside of the water inlet plate 25 during the rotation process. The storage cavity 26 evenly distributed along the connecting hole 28 in the water inlet plate 25 adopts a special sealing material and structural design, which can safely and stably The various reagents required for wastewater treatment, such as flocculants, neutralizers, etc., are stored in a fixed place. The inlet 29 and the second narrowing port 31 respectively arranged on both sides of the water inlet plate 25 are connected to the storage chamber 26, forming an inlet and outlet channel for wastewater. When the water inlet plate 25 rotates to a specific position along with the rotating rod 12, the flow velocity and pressure change of the wastewater will act on the blocking ball 27, so that the floating ball 32 overcomes the elastic force of the elastic sheet 33 and opens the storage chamber 26. At this time, the reagents in the storage chamber 26 are accurately released into the wastewater through the second narrowing port 31 under the drive of the water flow. At the same time, the feed hopper 23 arranged on the top of the water inlet plate 25 corresponds precisely to the position of the feed port 8, which is convenient for the operator to replenish the reagents from the outside in time and ensure the continuity and stability of the reagent supply. This design enables the reagents to be fully mixed with the wastewater during the stirring process, greatly improving the utilization rate of the reagents, reducing the waste of the reagents, enhancing the wastewater treatment effect, and reducing the treatment cost.

[0027] Working principle: When it is necessary to discharge the sediment layer at the bottom of the treatment tank 1, the output end of the second electric push rod 10 accurately drives the driving rod 9 to move, forming a stable and powerful pressure on the second sealing plate 16 connected to the driving rod 9. Under the action of this pressure, the second sealing plate 16 slides down smoothly along the inner wall of the treatment tank 1. Since the second sealing plate 16 is fixedly connected to the movable plate 17, it can synchronously drive the movable plate 17 to slide down, and the inlet hole 18 that was originally tightly closed by the movable plate 17 is gradually opened, so that the treatment tank 1 is connected with the external space through the isolation tube 15. At this time, under the natural action of air pressure, the wastewater in the treatment tank 1 will quickly flow into the isolation tube 15 with the sediment layer, and then be smoothly discharged from the treatment tank 1 through the extension pipe 20. After the sediment layer is discharged, the second electric push rod 10 can quickly drive the driving rod 9 to move up, so that the second sealing plate 16 is tightly fitted with the isolation tube 15 again, forming an effective closure, and closing the bottom of the treatment tank 1 in time; The top of the second sealing plate 16 is fixedly connected to the first sealing plate 13 through a fixing block. During the sedimentation layer discharge process, the top of the second sealing plate 16 is firmly fixedly connected to the first sealing plate 13 through the fixing block. This ingenious design enables the first sealing plate 13 to move synchronously with the second sealing plate 16. During the sedimentation layer discharge process, the first sealing plate 13 and the isolation cylinder 15 are closely matched. When the inlet hole 18 is opened and the sedimentation layer and part of the wastewater are discharged, the first sealing plate 13 can effectively limit the wastewater in the treatment tank 1 from being discharged to the outside in large quantities; The first sealing plate 13 and the second sealing plate 16 are both configured as conical structures, a guide head 14 is fixedly connected to the top of the isolation tube 15, a drainage bucket 19 is fixedly connected inside the isolation tube 15, a water guide plate 21 is fixedly connected inside the extension tube 20, and one side of the movable plate 17 is configured as an inclined surface structure. The structural design of the device fully considers the guiding problem of the sedimentation layer. During the descent process, the first sealing plate 13 and the second sealing plate 16 of the conical structure use their unique shapes to converge the sedimentation layer toward the inlet hole 18. The guide head 14 can guide the wastewater and the sedimentation layer to smoothly enter the isolation tube 15, and the drainage bucket 19 further gathers and guides the sedimentation layer to make it flow quickly to the extension tube 20. The water guide plate 21 in the extension tube 20 can optimize the water flow path to ensure that the sedimentation layer and wastewater are discharged quickly and smoothly. The inclined surface structure of the movable plate 17 also helps the sedimentation layer to enter and guide during the descent process. The filter plate 22 adopts a special material and a fine filter structure, which can accurately intercept various impurities in the wastewater, and only allow the wastewater that meets the requirements to enter the processing tank 1 through the feed port 8. The impurity content of the wastewater after being filtered by the filter plate 22 is significantly reduced, which provides a better quality raw material for subsequent precipitation and purification treatment, effectively improves the quality and effect of the entire wastewater treatment, and ensures that the final discharged water quality can meet the strict standard of zero emission. At the same time, the filter plate 22 can filter the wastewater discharged from the processing tank 1, and its sedimentation layer is also effectively filtered, and the wastewater taken out can be transported to the processing tank 1 again to complete the recovery of the wastewater; The output end of the motor 11 is tightly and firmly fixedly connected to the rotating rod 12, ensuring that the power of the motor 11 can be transmitted to the rotating rod 12 without loss. Under the drive of the motor 11, the rotating rod 12 rotates at a very high speed, so that the stirring rod 24 can generate strong shearing force and driving force when the rotating rod 12 rotates at a high speed, and quickly breaks up various types of clumps of pollutants in the wastewater. Whether it is large particles of suspended matter or clumps of organic pollutants with strong viscosity, they can be quickly decomposed. At the same time, the high-speed rotation of the stirring rod 24 can break the local concentration difference that may occur in the wastewater in the treatment tank 1, so that various parts of the wastewater are fully mixed, so that the subsequent added reagents can be evenly diffused into the entire wastewater system; The water inlet plate 25 is firmly fixed on the rotating rod 12 by the connecting rod, and realizes synchronous rotation with the rotating rod 12, which cleverly utilizes the rotation power of the rotating rod 12, does not require an additional driving device, and saves equipment cost and energy consumption. The connecting hole 28 opened on the top of the water inlet plate 25 ensures that the precipitant can smoothly enter the inside of the water inlet plate 25 during the rotation process. The storage cavity 26 evenly distributed along the connecting hole 28 in the water inlet plate 25 adopts special sealing materials and structural design, which can safely and stably store the precipitant required for treating wastewater. For various kinds of agents, such as flocculants, neutralizers, etc., the inlet port 29 and the second narrowing port 31 respectively arranged on both sides of the water inlet plate 25 are connected to the storage chamber 26, forming an inlet and outlet channel for wastewater. When the water inlet plate 25 rotates to a specific position along with the rotating rod 12, the flow velocity and pressure change of the wastewater will act on the blocking ball 27, so that the floating ball 32 overcomes the elastic force of the elastic sheet 33 and opens the storage chamber 26. At this time, the agent in the storage chamber 26 is driven by the water flow and accurately released into the wastewater through the second narrowing port 31.

[0028] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments, and the above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention, and these changes and improvements fall within the scope of the present invention claimed.

Claims

1. A zero-discharge device for chlor-alkali industrial wastewater, comprising a treatment tank (1), wherein a bracket (2) is fixedly mounted on the bottom of the treatment tank (1), characterized in that: The outer wall of the processing tank (1) is provided with evenly distributed feeding ports (8), the outer wall of the processing tank (1) is fixedly provided with a first electric push rod (4), the outer wall of the processing tank (1) is slidably provided with a sealing cover (3), a stirring assembly is provided in the processing tank (1), a discharging assembly is provided in the processing tank (1), and a loading assembly is provided at the bottom of the processing tank (1); The stirring assembly is used to stir the wastewater in the treatment tank (1); The discharge assembly is used to discharge the sedimentation layer in the processing tank (1); The feeding assembly is used to transport wastewater into the treatment tank (1).

2. A chlor-alkali industrial wastewater zero discharge device according to claim 1, characterized in that: The feeding assembly comprises a feeding cylinder (7) fixedly connected to the inner wall of the bracket (2), a feeding pipe (5) is inserted and fixedly connected between the feeding cylinder (7) and the top of the processing tank (1), a pressure pump (6) is provided on the feeding pipe (5), and the pressure pump (6) is fixedly mounted on the bracket (2).

3. A chlor-alkali industrial wastewater zero discharge device according to claim 1, characterized in that: The discharge assembly comprises an isolation cylinder (15) fixedly connected to the inner wall of the processing tank (1), the isolation cylinder (15) is provided with evenly distributed entry holes (18), a movable plate (17) is slidably mounted in the entry hole (18), a second sealing plate (16) is fixedly connected to the movable plate (17), a second electric push rod (10) is fixedly installed on the top of the inner wall of the processing tank (1), a driving rod (9) is fixedly connected to the output end of the second electric push rod (10), and the driving rod (9) is connected to the second sealing plate (16), and an extension tube (20) is fixedly connected to the bottom of the isolation cylinder (15), and the extension tube (20) corresponds vertically to the loading cylinder (7).

4. A chlor-alkali industrial wastewater zero discharge device according to claim 3, characterized in that: The top of the second sealing plate (16) is fixedly connected to the first sealing plate (13) via a fixing block.

5. A chlor-alkali industrial wastewater zero discharge device according to claim 4, characterized in that: The first sealing plate (13) and the second sealing plate (16) are both configured as conical structures, and a material guide head (14) is fixedly connected to the top of the isolation cylinder (15).

6. A chlor-alkali industrial wastewater zero discharge device according to claim 3, characterized in that: A drainage hopper (19) is fixedly connected inside the isolation cylinder (15), a water guide plate (21) is fixedly connected inside the extension tube (20), and one side of the movable plate (17) is arranged as an inclined surface structure.

7. A chlor-alkali industrial wastewater zero discharge device according to claim 1, characterized in that: A filter plate (22) is fixedly installed in the feed port (8).

8. A chlor-alkali industrial wastewater zero discharge device according to claim 1, characterized in that: The stirring assembly comprises a motor (11) fixedly mounted on the top of the processing tank (1), a rotating rod (12) fixedly connected to the output end of the motor (11), stirring rods (24) symmetrically fixedly connected to the rotating rod (12), and a blanking plate provided on one side of the rotating rod (12).

9. A chlor-alkali industrial wastewater zero discharge device according to claim 8, characterized in that: The unloading plate comprises a water inlet plate (25) fixedly connected to the rotating rod (12) via a connecting rod, a connecting hole (28) is provided on the top of the water inlet plate (25), and evenly distributed material storage cavities (26) are provided inside the water inlet plate (25) along the connecting hole (28), and an inlet port (29) and a second narrowing port (31) are respectively provided on both sides of the water inlet plate (25), and the inlet port (29) and the second narrowing port (31) are both connected to the material storage cavities (26). A sealing ball (27) is provided on one side of the material storage cavity (26) and the water inlet plate (25). The sealing ball (27) comprises a floating ball (32) and elastic sheets (33) fixedly connected to both sides of the floating ball (32). The elastic sheets (33) are respectively fixedly connected to the outer wall of the water inlet plate (25) and the inner wall of the material storage cavity (26). A feed hopper (23) is provided on the top of the water inlet plate (25), and the feed hopper (23) corresponds to the position of the feed port (8).

10. A chlor-alkali industrial wastewater zero discharge device according to claim 9, characterized in that: A first narrowing opening (30) is provided on one side of the material storage cavity (26).

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