Coking wastewater advanced treatment equipment

Abstract

The utility model discloses coking wastewater advanced treatment equipment which comprises a water collecting tank and further comprises an oil removal tank, a dilution tank, a coagulative precipitation tank and an activated carbon net tank which are sequentially arranged from left to right and are communicated with one another, an end cover is arranged on the top surface of the oil removal tank, and a mounting seat is fixedly arranged on the bottom surface of the end cover; a mounting groove of a vortex line structure is formed in the bottom face of the mounting base, a first spraying pipe matched with the mounting groove is arranged in the mounting groove, a plurality of first nozzles communicated with the first spraying pipe are arranged on the first spraying pipe at equal intervals in the circumferential direction of the first spraying pipe, a top cover is arranged on the top face of the dilution pool, and connecting grooves are formed in the inner walls of the left side, the right side, the front side and the rear side in the height direction of the dilution pool. A second spraying pipe of an L-shaped structure is arranged in each connecting groove, and a plurality of second spraying heads communicated with the second spraying pipe are arranged on each second spraying pipe at equal intervals. According to the coking wastewater deep treatment device, comprehensive and uniform deep treatment can be carried out on coking wastewater in the use process, so that the use efficiency of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of coking wastewater treatment, in particular to a coking wastewater deep treatment device. Background Art

[0002] Coking wastewater is a typical toxic and difficult to degrade organic wastewater. It mainly comes from the primary cooling of coke oven gas and the production water and steam condensation wastewater in the coking production process. Due to the presence of nitrogen in coking wastewater, the nitrogen source required for biological purification is excessive, which brings great difficulties to the treatment to meet the standards. It is necessary to put a certain amount of flocculant into the degreasing tank to fully mix the mixed liquid, and then deeply treat it through the cooperation of the dilution tank and the sedimentation tank.

[0003] Traditional coking wastewater deep treatment equipment cannot fully and evenly add flocculants into the degreasing tank, which affects the mixing efficiency of the solution; and it cannot evenly and effectively add chemicals into the dilution tank, which reduces the quality requirements for the use of the device. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the above technical defects and provide a coking wastewater deep treatment equipment.

[0005] In order to solve the above problems, the technical solution of the utility model is as follows: a coking wastewater deep treatment equipment, including a water collection tank, and also including an oil removal tank, a dilution tank, a coagulation sedimentation tank and an activated carbon net tank which are arranged in sequence from left to right and are interconnected, a detachable end cover is provided on the top surface of the oil removal tank, a mounting seat is fixedly provided on the bottom surface of the end cover, a mounting groove of a vortex line structure is provided on the bottom surface of the mounting seat, a spray pipe one adapted thereto is provided in the mounting groove, a plurality of nozzles one intersecting therewith are provided on the spray pipe one at equal distances along its circumferential direction, and a lead-out pipe one intersecting therewith is also provided on the end surface of the spray pipe one and extends to above the top surface of the end cover;

[0006] A detachable top cover is provided on the top surface of the dilution tank, and connecting grooves are respectively provided on the inner walls on the left, right, front and rear sides along the height direction thereof, and two L-shaped spray pipes are respectively provided in each of the connecting grooves, and a plurality of nozzles two intersecting with the two spray pipes are also respectively provided at equal intervals on each of the two spray pipes, and the ends of the top surfaces of the four two spray pipes are connected to the end surface of the through-body together, and two lead-out pipes intersecting with the two spray pipes are also provided on the top surface of the through-body and extend to the top of the top cover

[0007] Furthermore, connecting pipes are respectively provided on the two end faces of the spray pipe corresponding to each second nozzle, and a one-way valve is provided on the connecting pipe, and the end of the one-way valve is connected to the second nozzle.

[0008] Furthermore, a grid layer is provided in the water collection tank.

[0009] Furthermore, power pumps are respectively provided between the water collection tank and the oil removal tank, and between the oil removal tank and the dilution tank. Each of the power pumps is provided with a water suction pipe at one end and a water outlet pipe at the other end. The wastewater transfer between the water collection tank and the oil removal tank, and the solution transfer between the oil removal tank and the dilution tank are respectively carried out through the cooperation of the power pump, the water suction pipe and the water outlet pipe.

[0010] Furthermore, the ends of the degreasing tank and the dilution tank are also provided with a plurality of connecting frames along the height direction thereof at corresponding positions of the water outlet pipes.

[0011] The advantages of the utility model compared with the existing technology are:

[0012] 1. Through the cooperation of the water collection tank, oil removal tank, dilution tank, coagulation sedimentation tank and activated carbon net tank, the coking wastewater in the water collection tank can be deeply treated in stages. When adding organic flocculants into the oil removal tank during the treatment process, the organic flocculants can be uniformly added under the cooperation of the lead-out pipe 1, the spray pipe 1 of the vortex line connection structure and the nozzle 1, thereby increasing the mixed dissolution efficiency of the solution in the oil removal tank, making it more comprehensive to remove oil and other suspended matter in the wastewater, and preliminarily treating the wastewater;

[0013] 2. With the cooperation of the lead-out pipe No. 2, the through-body, the spray pipe No. 2, the connecting pipe, the one-way valve and the nozzle No. 2 in the dilution tank, the top end of the lead-out pipe No. 2 can be connected to the external chemical agent. Under the action of the through-body, the spray pipe No. 2, the connecting pipe, the one-way valve and the nozzle No. 2, the chemical agent is fully and evenly injected into the dilution tank, the solution inside it is effectively chemically treated, and the wastewater is treated again. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the external structure diagram of the utility model.

[0015] Figure 2 It is the front internal structure diagram of the utility model.

[0016] Figure 3 This utility model Figure 2 Enlarged view of point A in the middle.

[0017] Figure 4 It is a top view of the internal structure of the dilution tank in the utility model.

[0018] As shown in the figure: 1. Water collection tank; 2. Oil removal tank; 3. Dilution tank; 4. Coagulation and sedimentation tank; 5. Activated carbon mesh tank; 6. Grille layer; 7. End cover; 8. Mounting seat; 9. Mounting groove; 10. Spray pipe one; 11. Nozzle one; 12. Lead-out pipe one; 13. Top cover; 14. Connecting groove; 15. Spray pipe two; 16. Through body; 17. Lead-out pipe two; 18. Connecting pipe; 19. One-way valve; 20. Nozzle two; 21. Power pump; 22. Suction pipe; 23. Outlet pipe. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0020] like Figures 1 to 4 As shown, a coking wastewater deep treatment equipment comprises a water collection tank 1, a grid layer 6 is further arranged in the water collection tank 1, and larger floating objects in the coking wastewater can be isolated and filtered through the grid layer 6, and also comprises an oil removal tank 2, a dilution tank 3, a coagulation sedimentation tank 4 and an activated carbon net tank 5 which are arranged in sequence from left to right and are interconnected, a detachable end cover 7 is arranged on the top surface of the oil removal tank 2, a mounting seat 8 is fixedly arranged on the bottom surface of the end cover 7, a mounting groove 9 with a vortex wire structure is opened on the bottom surface of the mounting seat 8, and a mounting frame is arranged in the mounting groove 9 A spray pipe 10 adapted thereto is provided with a plurality of nozzles 11 intersecting therewith at equal distances along its circumferential direction, and an outlet pipe 12 intersecting therewith is also provided on the end face of the spray pipe 10 and extending to above the top face of the end cover 7, and the end of the outlet pipe 12 is connected to the external power flocculant output end, and through the action of the spray pipe 10 with a spiral structure and the plurality of nozzles 11, the flocculant can be fully and evenly injected into the degreasing pool 2, so that the solution in the degreasing pool 2 is effectively dissolved;

[0021] A detachable top cover 13 is provided on the top surface of the dilution tank 3, and connecting grooves 14 are respectively provided on the inner walls of the left, right, front and rear sides along the height direction thereof, and two L-shaped spray pipes 15 are respectively provided in each connecting groove 14 through positioning frames, and a plurality of nozzles 20 interpenetrating therewith are also equidistantly provided on each spray pipe 15, and the top ends of the four spray pipes 15 are connected to the end surface of the through-body 16, and a second lead-out pipe 17 interpenetrating therewith is also provided on the top surface of the through-body 16 and extending to the top of the top cover 13, and the top end of the lead-out pipe 17 is connected to the external On the power chemical agent output pipe, under the action of four spray pipes 15 and multiple nozzles 20, the chemical agent can be evenly and effectively injected into the dilution tank 3, ensuring the comprehensive solubility of the solution in the dilution tank 3. On the end face of the spray pipe 15 corresponding to each nozzle 20, a connecting pipe 18 is provided, which is connected thereto. A one-way valve 19 is provided on the connecting pipe 18, and the nozzle 20 is connected to the end of the one-way valve 19. The setting of the one-way valve 19 can prevent the solution in the dilution tank 3 from flowing back into the spray pipe 15 through the nozzle 20, ensuring the cleanliness of the spray pipe 15.

[0022] Power pumps 21 are respectively provided between the water collecting tank 1 and the oil removal tank 2 and between the oil removal tank 2 and the dilution tank 3. Each power pump 21 is provided with a suction pipe 22 at one end and a discharge pipe 23 at the other end. The wastewater transmission between the water collecting tank 1 and the oil removal tank 2 and the solution transmission between the oil removal tank 2 and the dilution tank 3 are respectively carried out through the cooperation of the power pump 21, the suction pipe 22 and the discharge pipe 23. The ends of the oil removal tank 2 and the dilution tank 3 are also provided with multiple connecting frames along the height direction of the discharge pipe 23 at the corresponding positions thereof, and the discharge pipe 23 is fixedly installed through the multiple connecting frames.

[0023] In specific use, the device is installed at a designated location, and firstly, the coking wastewater is introduced into the water collection tank 1. Under the action of the grid layer 6, the larger suspended solids in the wastewater can be isolated and filtered. Then, with the cooperation of the power pump 21, the suction pipe 22 and the outlet pipe 23, the wastewater is transported to the degreasing tank 2, and the end of the outlet pipe 12 is connected to the external power flocculant output end. Through the action of the spray pipe 10 and multiple nozzles 11 with a spiral structure, the flocculant can be fully and evenly injected into the degreasing tank 2, so that the solution in the degreasing tank 2 can be effectively dissolved, and the oil and other suspended solids in the wastewater can be more comprehensively removed, and the wastewater can be preliminarily treated; then, through the power pump 2 1. With the cooperation of the water suction pipe 22 and the water outlet pipe 23, the solution in the degreasing tank 2 is transferred to the dilution tank 3, and the top end of the lead-out pipe 17 is connected to the external power chemical agent output pipe. Under the action of the through body 16, the four spraying pipes 15 and the multiple nozzles 20, the chemical agent can be evenly and effectively injected into the dilution tank 3, ensuring the comprehensive solubility of the solution in the dilution tank 3, and effectively chemically treating the wastewater. Then, the solution in the dilution tank 3 is sequentially injected into the coagulation sedimentation tank 4 and the activated carbon net pool 5 for further treatment. Finally, the treated water is discharged through the discharge pipe of the activated carbon net pool 5, so that the coking wastewater can be comprehensively and deeply treated, thereby improving the use efficiency of the device.

[0024] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A coking wastewater deep treatment device, comprising a water collection tank (1), characterized in that: It also includes a degreasing tank (2), a dilution tank (3), a coagulation sedimentation tank (4) and an activated carbon net tank (5) which are arranged in sequence from left to right and are interconnected. A detachable end cover (7) is provided on the top surface of the degreasing tank (2). A mounting seat (8) is fixedly provided on the bottom surface of the end cover (7). A mounting groove (9) with a spiral line structure is provided on the bottom surface of the mounting seat (8). A spray pipe (10) adapted thereto is provided in the mounting groove (9). A plurality of nozzles (11) intersecting therewith are provided on the spray pipe (10) at equal distances along its circumferential direction. An outlet pipe (12) intersecting therewith is also provided on the end surface of the spray pipe (10) and extending to above the top surface of the end cover (7). A detachable top cover (13) is provided on the top surface of the dilution tank (3), and connecting grooves (14) are respectively provided on the inner walls on the left, right, front and rear sides along the height direction thereof, and two L-shaped spray pipes (15) are respectively provided in each of the connecting grooves (14), and a plurality of two spray heads (20) intersecting the two spray pipes (15) are also equidistantly provided on each of the two spray pipes (15), and the ends of the top surfaces of the four two spray pipes (15) are connected to the end surface of the through body (16), and two lead-out pipes (17) intersecting the through body (16) are also provided on the top surface of the through body (16) and extending to the top of the top cover (13).

2. A coking wastewater deep treatment equipment according to claim 1, characterized in that: A connecting pipe (18) is provided on the end surface of the spray pipe 2 (15) corresponding to each nozzle 2 (20) and connected thereto. A one-way valve (19) is provided on the connecting pipe (18), and the end of the one-way valve (19) is connected to the nozzle 2 (20).

3. A coking wastewater deep treatment equipment according to any one of claims 1 or 2, characterized in that: A grid layer (6) is also provided in the water collection tank (1).

4. The coking wastewater deep treatment equipment according to claim 1, characterized in that: A power pump (21) is provided between the water collection tank (1) and the oil removal tank (2) and between the oil removal tank (2) and the dilution tank (3), respectively. Each of the power pumps (21) is provided with a water suction pipe (22) at one end and a water outlet pipe (23) at the other end. The wastewater transfer between the water collection tank (1) and the oil removal tank (2) and the solution transfer between the oil removal tank (2) and the dilution tank (3) are respectively carried out through the cooperation of the power pump (21), the water suction pipe (22) and the water outlet pipe (23).

5. A coking wastewater deep treatment equipment according to claim 4, characterized in that: The ends of the degreasing tank (2) and the dilution tank (3) are also provided with a plurality of connecting frames along the height direction thereof at positions corresponding to the outlet pipe (23).

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