CN221797147U - An oxidation separation device for reducing COD value in high-salinity wastewater - Google Patents

Abstract

The utility model discloses an oxidation separation device for reducing the COD value in high-salt wastewater, which relates to the technical field of high-salt wastewater treatment, and specifically comprises a device body, wherein an electrode plate is fixed to the inner cavity of the device body through a support plate, a stirring rod is arranged between two adjacent electrode plates, a dredging structure is arranged below the support plate, a foam cleaning structure is arranged above the electrode plate, a drain pipe is arranged at the lower part of one side of the device body, and an electric ball valve is arranged at one end of the drain pipe. The oxidation separation device for reducing the COD value in high-salt wastewater is provided with a stirring rod and a stirring motor. When the device adopts an electrocatalytic oxidation method to reduce the COD value in high-salt wastewater, the rotation of the stirring rod can stir the sewage around it, increase the fluidity of the sewage, reduce the probability of particulate matter in the sewage being precipitated on the electrode plate, and increase the contact frequency between the sewage and the electrode plate, so that the electrode plate can better catalyze the sewage.

Description

An oxidation separation device for reducing COD value in high-salinity wastewater

Technical Field

The utility model relates to the technical field of high-salt wastewater treatment, in particular to an oxidation separation device for reducing the COD value in high-salt wastewater.

Background Art

During the treatment of high-salinity wastewater, chemical oxygen demand (COD) is an important indicator for measuring the content of organic matter in water. Electrocatalytic oxidation is one of the common COD removal methods for high-salinity wastewater in the prior art. Its basic principle is that under the action of the electric field, organic matter directly undergoes oxidation reaction on the surface of the anode material or is oxidized by the active species hydroxyl radicals produced by the anode, and finally the organic pollutants are mineralized into carbon dioxide and water. After searching, in the prior art, the authorized patent with application number CN202222179408.2 discloses an electrocatalytic oxidation device for wastewater COD degradation, including a chassis, the upper surface of the chassis and the lower surface of the top cover overlap each other, a cleaning component is arranged in the top cover, and the cleaning component includes a motor, the top cover is set outside the motor, and the lower surface of the top cover is clamped with two transmission wheels, and the upper surface of the transmission wheel on the left side is connected to the output end of the motor through the top cover. The belt is fixedly connected with a fixed block, the upper surface of the fixed block is fixedly connected to the top of the fixed rod, and the lower surface of the top cover is provided with two chute structures.

Since the electrode plate is in a stationary state in the chassis when the above scheme is in use, and the fluidity of the sewage in the chassis is low, and various phenomena such as oxidation-reduction, coagulation, flotation, sterilization and adsorption will occur during the electrocatalytic oxidation process of wastewater, therefore, when the above scheme is in use, the particulate matter in the sewage is easy to adhere to the electrode plate, affecting the electrode plate's full catalysis of the sewage; and sediment is easy to be generated at the bottom of the chassis cavity, and it is not easy to clean the sediment; based on this, the present application proposes an oxidation separation device for reducing the COD value in high-salt wastewater.

Utility Model Content

The utility model provides an oxidation separation device for reducing the COD value in high-salt wastewater, which solves the problems proposed in the above background technology that the electrode plate is in a stationary state in the chassis, and the sewage fluidity around the electrode plate is low, so that the particulate matter in the sewage is easy to adhere to the electrode plate, affecting the electrode plate to fully catalyze the sewage; sediment is easy to generate in the bottom of the chassis cavity, and it is not easy to clean the sediment.

The utility model provides the following technical solution: an oxidation separation device for reducing the COD value in high-salt wastewater, comprising a device body, an inner cavity of the device body is fixed with an electrode plate through a support plate, a stirring rod is provided between two adjacent electrode plates, a dredging structure is provided below the support plate, a foam cleaning structure is provided above the electrode plate, a drain pipe is provided at the lower part of one side of the device body, and an electric ball valve is provided at one end of the drain pipe.

Preferably, the end of the stirring rod is movably connected to the side wall of the device body, one end of the stirring rod penetrates the side wall of the device body and extends to the outside of the device body, a stirring motor is fixed to the outside of the device body, and the end of the output shaft of the stirring motor is fixedly connected to the middle part of one end of the stirring rod; through the setting of the stirring motor, the rotation of the stirring motor can drive the stirring rod fixedly connected to it to rotate, and the stirring rod stirs the sewage around it, increases the fluidity of the sewage, reduces the probability of particulate matter in the sewage adhering to the electrode plate, and allows the sewage to better contact with the electrode plate, so that the electrode plate is convenient for catalyzing the sewage.

Preferably, the dredging structure includes a baffle plate, a vacuum sewage suction pump and a silt suction pipe, the baffle plate is connected to the device body through a hydraulic telescopic rod, and the baffle plate is located below the support plate, through holes are evenly arranged on the baffle plate, and blocking blocks are evenly fixed to the bottom of the inner cavity of the device body, the top of the blocking blocks is movably connected to the through holes, the silt suction pipe is embedded in the side wall of the device body, the vacuum sewage suction pump is fixed on the device body, and the feed end of the vacuum sewage suction pump is fixedly connected to the silt suction pipe through a connecting pipe; through the setting of the dredging structure, the vacuum sewage suction pump can extract the sludge below the baffle plate, which is convenient for cleaning the sediment in the device body.

Preferably, the outer diameter of the top of the blocking block is the same as the inner diameter of the through hole, and the bottom of the blocking block is conical; such an arrangement facilitates the sediment on the isolation plate to fall under the isolation plate.

Preferably, an electric ball valve 2 is provided at one end of the connecting pipe, and feed ports are evenly provided on the pipe wall of the end of the suction pipe away from the connecting pipe, and the suction pipe is located below the sealing plate; by setting the feed port, the speed at which the sediment enters the suction pipe is increased.

Preferably, the foam cleaning structure includes a push plate connected to the device body through a screw rod, an electric telescopic rod and a suction pump fixedly connected to the device body, a liquid inlet pipe is fixed to the liquid inlet end of the suction pump, the other end of the liquid inlet pipe is located at the top of the device body, and a push plate is fixed to the other end of the electric telescopic rod; by setting the foam cleaning structure, the foam generated during the electrocatalytic process can be cleaned up.

Preferably, a rotating motor is provided on the device body, and the end of the output shaft of the rotating motor is fixedly connected to the middle part of one end of the screw rod; one end of the liquid inlet pipe is provided with an electric ball valve three, and there are two liquid inlet pipes, and the push plate is located between the two liquid inlet pipes; through the setting of the rotating motor, the rotation of the rotating motor can cause the screw rod to rotate, and the rotation of the screw rod causes the push plate to move in the direction of the screw rod, and the push plate can push the foam to move during the movement of the push plate, so that the foam can gather at the outlet of the liquid inlet pipe, which is convenient for cleaning the foam.

Preferably, the push plate is an inverted T-shape, the top of the horizontal end of the push plate is flush with the bottom of the push plate, the width of the horizontal end of the push plate is the same as the width of the push plate, and drainage holes are evenly arranged on one end of the push plate close to the push plate; through the setting of the push plate, floating foam can be gathered, which is convenient for cleaning.

Compared with the prior art, the utility model has the following beneficial effects:

1. The oxidation separation device for reducing the COD value in high-salt wastewater adopts the electrocatalytic oxidation method to reduce the COD value in high-salt wastewater through the setting of the stirring rod and the stirring motor. The rotation of the stirring rod can stir the sewage around it, increase the fluidity of the sewage, reduce the probability of particulate matter in the sewage being precipitated on the electrode plate, and increase the contact frequency between the sewage and the electrode plate, so that the electrode plate can better catalyze the sewage.

2. The oxidation separation device for reducing the COD value in high-salt wastewater can remove the sediment in the device body by using a vacuum sewage pump through the setting of a dredging structure, which is convenient for cleaning the sediment in the device body. The foam cleaning structure can clean the foam generated on the device body.

BRIEF DESCRIPTION OF THE DRAWINGS

Figure 1 is a front view of the structure of the utility model;

FIG2 is a schematic diagram of the back side of the structure diagram 1 of the utility model;

FIG3 is an internal schematic diagram of the structure diagram 1 of the utility model;

FIG4 is a front view schematic diagram of the structure diagram 3 of the utility model;

FIG. 5 is a schematic diagram of a structural partition plate of the utility model.

In the figure: 1. Device body; 2. Support plate; 3. Sealing plate; 4. Blocking block; 5. Sludge suction pipe; 6. Stirring rod; 7. Electrode plate; 8. Suction pump; 9. Drain pipe; 10. Electric ball valve one; 11. Liquid inlet pipe; 12. Vacuum sewage suction pump; 13. Connecting pipe; 14. Electric ball valve two; 15. Rotating motor; 16. Screw; 17. Push plate; 18. Stirring motor; 19. Hydraulic telescopic rod; 20. Through hole; 21. Electric ball valve three; 22. Electric telescopic rod; 23. Push plate.

DETAILED DESCRIPTION

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

The utility model provides an oxidation separation device for reducing the COD value in high-salt wastewater, comprising a device body 1, an inner cavity of the device body 1 is fixed with an electrode plate 7 through a support plate 2, and the device adopts an electrocatalytic oxidation method to reduce the COD value in the high-salt wastewater. A stirring rod 6 is arranged between two adjacent electrode plates 7. Through the arrangement of the stirring rod 6, when the stirring rod 6 rotates, the stirring rod 6 can stir the sewage around it, increase the fluidity of the sewage, and reduce the probability of precipitation of particles in the sewage. Particles are not easy to adhere to the electrode plate 7, and the contact frequency between the sewage and the electrode plate 7 can be increased, so that the electrode plate 7 can better catalyze the sewage. A dredging structure is arranged below the support plate 2, and the dredging structure can be used to clean up the sediment in the device body 1. A foam cleaning structure is arranged above the electrode plate 7, and the foam on the liquid surface can be cleaned up through the arrangement of the foam cleaning structure. A drain pipe 9 is provided at the lower part of one side of the device body 1, and an electric ball valve 10 is provided at one end of the drain pipe 9. Through the setting of the electric ball valve 10, the operation of the electric ball valve 10 can control the on-off of the drain pipe 9. When the drain pipe 9 is in an open state, the treated high-salt wastewater in the device body 1 can be discharged.

The end of the stirring rod 6 is movably connected to the side wall of the device body 1, one end of the stirring rod 6 penetrates the side wall of the device body 1 and extends to the outside of the device body 1, and a stirring motor 18 is fixed to the outside of the device body 1, and the end of the output shaft of the stirring motor 18 is fixedly connected to the middle part of one end of the stirring rod 6 through a reducer; through the setting of the stirring motor 18, the rotation of the stirring motor 18 can cause the stirring rod 6 fixedly connected to it to rotate, and the stirring rod 6 can stir the sewage around it.

The dredging structure includes a baffle plate 3, a vacuum sewage suction pump 12 and a silt suction pipe 5. The baffle plate 3 is connected to the device body 1 through a hydraulic telescopic rod 19, and the top of the hydraulic telescopic rod 19 is fixedly connected to the inner wall of the device body 1. The baffle plate 3 and the inner cavity of the device body 1 are in a state of active connection. Through the setting of the hydraulic telescopic rod 19, the extension and retraction of the hydraulic telescopic rod 19 can drive the baffle plate 3 fixedly connected thereto to move, and the position of the baffle plate 3 in the device body 1 can be changed.

The baffle plate 3 is located below the support plate 2, and through holes 20 are evenly arranged on the baffle plate 3. The bottom of the inner cavity of the device body 1 is evenly fixed with a blocking block 4. The top of the blocking block 4 is movably connected to the through hole 20, and the outer diameter of the top of the blocking block 4 is the same as the inner diameter of the through hole 20. The bottom of the blocking block 4 is conical, and the outer diameter of the bottom of the blocking block 4 is smaller than the outer diameter of the top. Through the setting of the blocking block 4, when the top of the baffle plate 3 is flush with the top of the blocking block 4, the blocking block 4 blocks the through hole 20, and the sediment generated during the use of the device can be gathered on the top of the baffle plate 3; and when the baffle plate 3 moves upward under the action of the hydraulic telescopic rod 19, the sediment on the baffle plate 3 can fall to the bottom of the inner cavity of the device body 1 through the through hole 20.

The sludge suction pipe 5 is embedded in the side wall of the device body 1, and the vacuum sewage suction pump 12 is fixed on the device body 1. The feed end of the vacuum sewage suction pump 12 is fixedly connected to the sludge suction pipe 5 through a connecting pipe 13. Through the setting of the vacuum sewage suction pump 12, the operation of the vacuum sewage suction pump 12 can draw away the sediment around the sludge suction pipe 5, thereby realizing the rapid cleaning of the sediment in the device body.

An electric ball valve 14 is provided at one end of the connecting pipe 13. Through the setting of the electric ball valve 14, the operation of the electric ball valve 14 can control the connection and disconnection of the connecting pipe 13, so as to prevent sewage from entering the connecting pipe 13 when the baffle plate 3 moves above the blocking block 4. Feed ports are evenly arranged on the pipe wall of the end of the silt suction pipe 5 away from the connecting pipe 13. The silt suction pipe 5 is located below the baffle plate 3. Through the setting of multiple feed ports, the speed at which sediment enters the silt suction pipe 5 can be accelerated, thereby improving the working efficiency of the dredging structure.

The foam cleaning structure includes a push plate 17 connected to the device body 1 through a screw rod 16, an electric telescopic rod 22 and a suction pump 8 fixedly connected to the device body 1. The end of the screw rod 16 is in a state of active connection with the device body 1, and the push plate 17 is threadedly connected to the screw rod 16. A rotating motor 15 is provided on the device body 1, and the end of the output shaft of the rotating motor 15 is fixedly connected to the middle part of one end of the screw rod 16 through a reducer; through the setting of the rotating motor 15, the rotation of the rotating motor 15 can drive the screw rod 16 fixedly connected thereto to rotate, and the rotation of the screw rod 16 causes the push plate 17 threadedly connected thereto to move in the direction where the screw rod 16 is located.

The push plate 17 is inverted T-shaped, and the horizontal end of the push plate 17 is located below the liquid surface. In this arrangement, when the push plate 17 moves, the vertical end of the push plate 17 can intercept the floating foam on the liquid surface, and the horizontal end of the push plate 17 can intercept the floating foam on the liquid surface.

A push plate 23 is fixed to the other end of the electric telescopic rod 22. The top of the horizontal end of the push plate 17 is flush with the bottom of the push plate 23. The width of the horizontal end of the push plate 17 is the same as the width of the push plate 23. Drain holes are evenly arranged on the end of the push plate 17 close to the push plate 23. Through the setting of the electric telescopic rod 22, the extension and contraction of the electric telescopic rod 22 can change the position of the push plate 23. When the horizontal end of the push plate 17 contacts the inner wall of the device body 1, a groove is formed between the push plate 17 and the device body 1. The floating foam intercepted by the push plate 17 is located in the inner cavity of the groove. At this time, the movement of the push plate 23 can gather the floating foam and make the floating foam close to the liquid inlet pipe 11, which is convenient for cleaning the floating foam.

The liquid inlet end of the suction pump 8 is fixed with a liquid inlet pipe 11, the other end of the liquid inlet pipe 11 is located at the top of the device body 1, one end of the liquid inlet pipe 11 is provided with an electric ball valve 3 21, there are two liquid inlet pipes 11, and the push plate 17 is located between the two liquid inlet pipes 11. Through the setting of the liquid inlet pipe 11, the suction pump 8 can work to remove the waste water and floating foam in the groove, so as to achieve the cleaning of floating foam. Through the work of the electric ball valve 3 21, the work of the liquid inlet pipe 11 can be controlled, so that the floating foam cleaning structure can clean the floating foam.

The electrical components involved in this application are all prior art, and technicians in this field are familiar with their connection methods. Through these technicians, all the electrical components in this application are connected to their compatible power supplies through wires, and according to actual conditions, a suitable controller is selected to meet the control requirements. The specific connection and control sequence are described below. The electrical connection is completed in a sequential working order, and the detailed connection means are well known in the art. The following mainly introduces the working principle and process, and no further explanation of the electrical control is given.

In summary: when the oxidation separation device for reducing the COD value in high-salinity wastewater is used, the high-salinity wastewater to be treated is injected into the inner cavity of the device body 1, and the electrode plate 7 is energized. The device oxidizes and decomposes the COD value in the high-salinity wastewater by electrocatalytic oxidation. During the operation of the device, the stirring rod 6 is in a working state. When it is necessary to clean the floating foam on the liquid surface, the floating foam cleaning structure works, and the screw rod 16 driven by the rotating motor 15 rotates. The rotation of the screw rod 16 causes the push plate 17 to move in the direction where the screw rod 16 is located until the horizontal end of the push plate 17 contacts the side wall of the device body 1, and the suction pump 8 is started. The suction pump 8 extracts the wastewater and floating foam between the push plate 17 and the side wall of the device body 1 through the liquid inlet pipe 11 close to the push plate 17, so as to clean the floating foam on the liquid surface of the device body 1. The waste water in the device body 1 can be discharged through the drain pipe 9, and before drainage, the hydraulic telescopic rod 19 is contracted, and the sealing plate 3 carried by the hydraulic telescopic rod 19 is moved to the top of the blocking block 4, and the sediment in the device body 1 falls to the bottom of the inner cavity of the device body 1 through the through hole. After the sealing plate 3 is reset, the vacuum sewage pump 12 is used to extract the sediment under the sealing plate 3, so as to clean the sediment in the device body 1.

The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art and will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field. Although the embodiments of the utility model have been shown and described, it can be 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 utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims (8)

1. An oxidation separation device for reducing COD value in high-salt wastewater, which comprises a device body (1), and is characterized in that: the device is characterized in that an electrode plate (7) is fixed in an inner cavity of the device body (1) through a supporting plate (2), a stirring rod (6) is arranged between two adjacent electrode plates (7), a dredging structure is arranged below the supporting plate (2), a floating foam cleaning structure is arranged above the electrode plate (7), a drain pipe (9) is arranged at the lower part of one side of the device body (1), and an electric ball valve I (10) is arranged at one end of the drain pipe (9).

2. An oxidation separation device for reducing the COD value in high salt wastewater according to claim 1, wherein: the end of the stirring rod (6) is movably connected with the side wall of the device body (1), one end of the stirring rod (6) penetrates through the side wall of the device body (1) and extends to the outer side of the device body (1), a stirring motor (18) is fixed on the outer side of the device body (1), and the tail end of an output shaft of the stirring motor (18) is fixedly connected with the middle part of one end of the stirring rod (6).

3. An oxidation separation device for reducing the COD value in high salt wastewater according to claim 1, wherein: the dredging structure comprises a sealing plate (3), a vacuum sewage suction pump (12) and a dredging pipe (5), wherein the sealing plate (3) is connected with a device body (1) through a hydraulic telescopic rod (19), the sealing plate (3) is located below a supporting plate (2), through holes (20) are uniformly formed in the sealing plate (3), blocking blocks (4) are uniformly fixed at the bottom of an inner cavity of the device body (1), the top ends of the blocking blocks (4) are movably connected with the through holes (20), the dredging pipe (5) is inlaid on the side wall of the device body (1), the vacuum sewage suction pump (12) is fixed on the device body (1), and a feeding end of the vacuum sewage suction pump (12) is fixedly connected with the dredging pipe (5) through a connecting pipeline (13).

4. An oxidation separation device for reducing the COD value in high salt wastewater according to claim 3, wherein: the outer diameter of the top end of the blocking block (4) is the same as the inner diameter of the through hole (20), and the bottom end of the blocking block (4) is conical.

5. An oxidation separation device for reducing the COD value in high salt wastewater according to claim 3, wherein: one end of the connecting pipeline (13) is provided with an electric ball valve II (14), a feeding hole is uniformly formed in the pipe wall of one end, far away from the connecting pipeline (13), of the silt sucking pipe (5), and the silt sucking pipe (5) is located below the sealing plate (3).

6. An oxidation separation device for reducing the COD value in high salt wastewater according to claim 1, wherein: the floating foam cleaning structure comprises a push plate (17) connected with the device body (1) through a screw rod (16), a suction pump (8) fixedly connected with the device body (1) and an electric telescopic rod (22), a liquid inlet pipe (11) is fixed at the liquid inlet end of the suction pump (8), the other end of the liquid inlet pipe (11) is positioned at the top end of the device body (1), and a pushing plate (23) is fixed at the other end of the electric telescopic rod (22).

7. An oxidation separation device for reducing the COD value in high salinity wastewater according to claim 6, wherein: a rotating motor (15) is arranged on the device body (1), and the tail end of an output shaft of the rotating motor (15) is fixedly connected with the middle part of one end of a screw rod (16); one end of each liquid inlet pipe (11) is provided with an electric ball valve III (21), two liquid inlet pipes (11) are arranged, and the push plate (17) is positioned between the two liquid inlet pipes (11).

8. An oxidation separation device for reducing the COD value in high salinity wastewater according to claim 6, wherein: the push plate (17) is of an inverted T shape, the top of the horizontal end of the push plate (17) is flush with the bottom of the pushing plate (23), the width of the horizontal end of the push plate (17) is the same as the width of the pushing plate (23), and draining holes are uniformly formed in one end, close to the pushing plate (23), of the push plate (17).