Environment-friendly compound fertilizer waste liquid treatment equipment

By designing environmentally friendly compound fertilizer wastewater treatment equipment and adopting a combination of anaerobic, facultative, and aerobic treatment methods, the problem of eutrophication of water bodies caused by wastewater discharge has been solved, achieving efficient wastewater treatment and environmental protection.

CN223722962UActive Publication Date: 2025-12-26AKANG HEBEI AGRI TECH CO LTD
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Patent Information

Application Number
CN202423197988.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2025-12-26
Estimated Expiration
2034-12-24

AI Technical Summary

Technical Problem

Direct discharge of waste liquid generated during the production of compound fertilizers can lead to eutrophication of water bodies and cause red tides, which are difficult to treat effectively with existing technologies.

Method used

Design an environmentally friendly compound fertilizer waste liquid treatment device that combines anaerobic, facultative anaerobic and aerobic treatment methods. Utilize anaerobic bacteria and aerobic bacteria to treat the waste liquid separately. Through steps such as pretreatment, sedimentation, stirring and disinfection, ensure that the waste liquid meets the discharge standards.

Benefits of technology

It effectively removes nutrients from wastewater, prevents water pollution, ensures that the treated wastewater meets discharge standards, does not pollute the environment, and improves oxygen utilization and treatment efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223722962U_ABST
Patent Text Reader

Abstract

The utility model discloses environment-friendly compound fertilizer waste liquid treatment equipment which comprises a box body, a conical hopper is arranged at the bottom of a cylinder body on one side of the box body, one end of a first liquid discharge pipe on the upper part of the side wall of the cylinder body extends into the box body, a gas supply main pipe and a gas supply branch pipe are arranged in the box body, and a stirring rod is arranged on one side of the gas supply main pipe. Pretreatment of the compound fertilizer waste liquid is carried out through the barrel, impurities in the compound fertilizer waste liquid are settled in the conical hopper, the compound fertilizer waste liquid is treated through anaerobic bacteria and aerobic bacteria, the treated compound fertilizer waste liquid is stored in the liquid storage area, and operations such as disinfection and PH value detection are carried out in the liquid storage area. The motor drives the stirring paddle to rotate through the stirring rod to stir the compound fertilizer waste liquid in the aerobic zone, so that the speed of dissolving oxygen in the compound fertilizer waste liquid is increased, aerobic bacteria are in full contact with the oxygen, and the utilization rate of the oxygen is increased.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to waste liquid treatment technical field especially relates to a kind of compound fertilizer waste liquid treatment equipment of environmental protection. BACKGROUND

[0002] With the rapid development of modern agricultural production, the production of compound fertilizer is also increasing, and a large amount of fertilizer waste liquid will be produced in the production process. Since the fertilizer waste liquid contains rich nutrients such as nitrogen and phosphorus, direct discharge will cause water eutrophication, providing a material basis for the massive reproduction of red tide organisms, leading to the occurrence of red tide. Therefore, it is necessary to treat the compound fertilizer wastewater to protect the ecological environment. CONTENT OF UTILITY MODEL

[0003] In order to solve the above problems, the utility model provides a kind of compound fertilizer waste liquid treatment equipment of environmental protection.

[0004] The utility model discloses a kind of environmental protection's compound fertilizer waste liquid processing equipment, including box, the treatment of compound fertilizer waste liquid is carried out in box, the upper end of the box is provided with cover plate, one side of the box is provided with barrel, the pretreatment of compound fertilizer waste liquid is carried out, the bottom of the barrel is fixedly provided with cone bucket, impurities in compound fertilizer waste liquid are settled in cone bucket, the lower end of the cone bucket is provided with discharge pipe, discharge valve is set on the discharge pipe, open discharge valve, impurities accumulated in cone bucket are discharged along discharge pipe, the upper portion of the sidewall of the barrel is provided with liquid inlet pipe and first liquid outlet pipe, inlet valve is set on the liquid inlet pipe, open inlet valve, compound fertilizer waste liquid enters barrel along liquid inlet pipe and carries out pretreatment, the other end of the first liquid outlet pipe extends into the box, compound fertilizer waste liquid after impurities are settled and handled flows into the box along the first liquid outlet pipe and carries out subsequent treatment, the junction of the first liquid outlet pipe and barrel is located above the cover plate, ensure that compound fertilizer waste liquid in barrel flows into the box, first baffle, second baffle and third baffle are vertically fixedly arranged in the box, the box is divided into multiple intervals, the side of the first baffle is anaerobic zone, compound fertilizer waste liquid is treated by anaerobic bacteria, the space between the first baffle and the second baffle is facultative zone, anaerobic zone and aerobic zone are separated, the space between the second baffle and the third baffle is aerobic zone, compound fertilizer waste liquid is treated by aerobic bacteria, the side of the third baffle is storage area, compound fertilizer waste liquid after treatment is stored, disinfection and PH value detection are carried out in it, ensure that compound fertilizer waste liquid after treatment reaches discharge standard, and environment is not polluted, the upper end of the first baffle, the second baffle and the third baffle is in contact with the cover plate, guarantee the independence between each area, the upper portion of the box in the side of the first baffle is horizontally fixedly provided with net plate, not only can the position of three-dimensional elastic filler be limited, but also three-dimensional elastic filler is convenient to replace, the lower end of the net plate is vertically fixedly provided with multiple three-dimensional elastic fillers, silk thread is in three-dimensional uniform arrangement radiation state, filler can be three-dimensional uniform and stretch in area, so that gas, water and biological membrane are fully mixed and contacted, biological membrane not only can be evenly bedded on each silk thread, keep good activity and void variability, but also can obtain larger specific surface area in operation process, carry out good metabolism, the first liquid outlet pipe passes through the net plate, the upper portion of the first baffle is provided with first overflow hole, compound fertilizer waste liquid in anaerobic zone flows into facultative zone along the first overflow hole, the upper portion of the second baffle is provided with second overflow hole, compound fertilizer waste liquid in facultative zone flows into aerobic zone along the second overflow hole, the upper portion of the third baffle is provided with third overflow hole, compound fertilizer waste liquid in aerobic zone flows into storage area along the third overflow hole, gas supply main pipe is arranged in the box between the second baffle and the third baffle, the upper end of the gas supply main pipe passes through the cover plate, and gas pump is arranged on the gas supply main pipe, the lower end of the gas supply main pipe is communicated with multiple gas supply branch pipes simultaneously, exhaust hole is arranged on the gas supply branch pipe, air is pumped into gas supply branch pipe along gas supply main pipe by gas pump,And then along the exhaust hole into the box oxygen supply, the setting of the plurality of gas branch pipe, for the aerobic bacteria in the box provides sufficient oxygen, the gas main pipe side is vertically provided with the stirring rod, the upper end of the stirring rod passes through the cover plate and is connected with the transmission shaft of the motor, the lower end of the stirring rod is fixedly provided with the stirring paddle, the motor drives the stirring paddle to rotate, the compound fertilizer waste liquid in the aerobic zone is stirred, the rate of oxygen dissolving in the compound fertilizer waste liquid is accelerated, the aerobic bacteria and oxygen are fully contacted, and the utilization rate of oxygen is improved.

[0005] Preferably, the first liquid discharge pipe is horizontally arranged below the three-dimensional elastic filler, one end of the first liquid discharge pipe is fixedly connected with the lower part of the first partition plate, so as to ensure the stability of the position of the first liquid discharge pipe, and a plurality of liquid discharge holes are uniformly arranged on the first liquid discharge pipe, so that the compound fertilizer waste liquid is uniformly discharged along the liquid discharge holes and contacted with the anaerobic bacteria, and the decomposition efficiency of the anaerobic bacteria on the compound fertilizer waste liquid is improved.

[0006] Preferably, the exhaust hole is arranged on the side wall of the box above the second liquid discharge pipe, and the air in the aerobic zone is discharged along the exhaust hole, so as to ensure the stability of the air pressure in the box.

[0007] The utility model discloses the beneficial effects are: through the cylinder and carry out the pretreatment of compound fertilizer waste liquid, and the impurity in compound fertilizer waste liquid settles in the hopper, and the anaerobic bacteria is handled to compound fertilizer waste liquid, and the anaerobic zone is separated from the aerobic zone through the facultative zone, and the compound fertilizer waste liquid is handled through the aerobic bacteria, and the liquid storage area stores the compound fertilizer waste liquid after being handled, and carries out disinfection and PH value detection operation in it, ensures that the compound fertilizer waste liquid after being handled reaches the discharge standard, and will not cause the pollution to the environment, and the motor drives the stirring paddle to rotate through the stirring rod, and the compound fertilizer waste liquid in the aerobic zone is stirred, the rate of oxygen dissolving in the compound fertilizer waste liquid is accelerated, the aerobic bacteria and oxygen are fully contacted, and the utilization rate of oxygen is improved. BRIEF DESCRIPTION OF DRAWINGS

[0008] Figure 1 It is the structure schematic drawing of the utility model;

[0009] Figure 2 It is the overhead structure schematic drawing of the box net plate;

[0010] In the figure: 1. box; 2. cover plate; 3. cylinder; 4. cone bucket; 5. discharge pipe; 6. discharge valve; 7. liquid inlet pipe; 8. first liquid outlet pipe; 9. liquid inlet valve; 10. first partition; 11. second partition; 12. third partition; 13. mesh plate; 14. three-dimensional elastic filler; 15. first overflow hole; 16. second overflow hole; 17. third overflow hole; 18. gas supply main pipe; 19. gas pump; 20. gas supply branch pipe; 21. air outlet hole; 22. stirring rod; 23. motor; 24. stirring paddle; 25. second liquid outlet pipe; 26. liquid outlet valve; 27. liquid outlet hole; 28. air outlet hole. DETAILED DESCRIPTION

[0011] In order to more clearly understand the technical scheme of the utility model, the utility model is further explained below in combination with the drawings.

[0012] As Figure 1 and Figure 2The illustrated environment-friendly compound fertilizer waste liquid treatment equipment, including box 1, in the box 1 carries out the treatment of compound fertilizer waste liquid, the upper end of the box 1 is provided with cover plate 2, one side of the box 1 is provided with cylinder 3, carries out the pretreatment of compound fertilizer waste liquid, the bottom of the cylinder 3 is fixedly provided with conical hopper 4, the impurities in the compound fertilizer waste liquid are settled in the conical hopper 4, the lower end of the conical hopper 4 is provided with discharge pipe 5, the discharge pipe 5 is provided with discharge valve 6, opens the discharge valve 6, the impurities accumulated in the conical hopper 4 are discharged along the discharge pipe 5, the sidewall upper portion of the cylinder 3 is provided with liquid inlet pipe 7 and first liquid outlet pipe 8, the liquid inlet pipe 7 is provided with liquid inlet valve 9, opens the liquid inlet valve 9, the compound fertilizer waste liquid enters the cylinder 3 along the liquid inlet pipe 7 and carries out pretreatment, the other end of the first liquid outlet pipe 8 extends into the box 1, after the impurities are treated, the compound fertilizer waste liquid flows into the box 1 along the first liquid outlet pipe 8 and carries out subsequent treatment, the connection of the first liquid outlet pipe 8 and the cylinder 3 is located above the cover plate 2, ensures that the compound fertilizer waste liquid in the cylinder 3 flows into the box 1, the first baffle 10, the second baffle 11 and the third baffle 12 are vertically fixedly arranged in the box 1, the box 1 is divided into multiple intervals, one side of the first baffle 10 is anaerobic zone, the compound fertilizer waste liquid is treated by anaerobic bacteria, the first baffle 10 and the second baffle 11 are between the facultative zone, separates the anaerobic zone and the aerobic zone, the second baffle 11 and the third baffle 12 are between the aerobic zone, the compound fertilizer waste liquid is treated by aerobic bacteria, one side of the third baffle 12 is storage area, the treated compound fertilizer waste liquid is stored, disinfection and PH value detection operations are carried out in it, ensures that the treated compound fertilizer waste liquid reaches the discharge standard, will not cause pollution to the environment, the upper end of the first baffle 10, the second baffle 11 and the third baffle 12 abuts together with the cover plate 2, guarantees the independence between each area, the upper portion of the box 1 located on one side of the first baffle 10 is horizontally fixedly provided with screen plate 13, not only can the position of three-dimensional elastic filler 14 be limited, but also facilitates the replacement of three-dimensional elastic filler 14, the lower end of the screen plate 13 is vertically fixedly provided with multiple three-dimensional elastic fillers 14, the silk thread is in a three-dimensional uniform arrangement radiation state, the filler can be three-dimensionally and uniformly stretched and filled in the area, so that gas, water and biological membrane can be fully mixed and contacted, the biological membrane can not only be evenly attached to each silk thread, maintain good activity and void variability, but also obtain a larger specific surface area during operation, carry out good metabolism, the first liquid outlet pipe 8 passes through the screen plate 13, the first liquid outlet pipe 8 is horizontally arranged below the three-dimensional elastic filler 14, one end of the first liquid outlet pipe 8 is fixedly connected with the lower portion of the first baffle 10, guarantees the stability of the position of the first liquid outlet pipe 8, a plurality of liquid discharge holes 27 are uniformly formed in the first liquid outlet pipe 8, the compound fertilizer waste liquid is uniformly discharged along the liquid discharge holes 27 and contacted with anaerobic bacteria, improves the decomposition efficiency of the compound fertilizer waste liquid by anaerobic bacteria.The upper part of the first partition plate 10 is provided with a first overflow hole 15, the compound fertilizer waste liquid in the anaerobic zone flows into the facultative zone along the first overflow hole 15, the upper part of the second partition plate 11 is provided with a second overflow hole 16, the compound fertilizer waste liquid in the facultative zone flows into the aerobic zone along the second overflow hole 16, the upper part of the third partition plate 12 is provided with a third overflow hole 17, the compound fertilizer waste liquid in the aerobic zone flows into the storage zone along the third overflow hole 17, a gas supply main pipe 18 is arranged in the box 1 between the second partition plate 11 and the third partition plate 12, the upper end of the gas supply main pipe 18 penetrates through the cover plate 2, and a gas pump 19 is arranged on the gas supply main pipe 18, the lower end of the gas supply main pipe 18 is communicated with a plurality of gas supply branch pipes 20, exhaust holes 21 are arranged on the gas supply branch pipes 20, the gas pump 19 pumps external air into the gas supply branch pipes 20 along the gas supply main pipe 18, and then the air is discharged into the box 1 along the exhaust holes 21 to supply oxygen, the arrangement of the plurality of gas supply branch pipes 20 provides sufficient oxygen for the aerobic bacteria in the box 1, a stirring rod 22 is vertically arranged on one side of the gas supply main pipe 18, the upper end of the stirring rod 22 penetrates through the cover plate 2 and is connected with the transmission shaft of a motor 23, a stirring paddle 24 is fixedly arranged at the lower end of the stirring rod 22, the motor 23 drives the stirring paddle 24 to rotate through the stirring rod 22, the compound fertilizer waste liquid in the aerobic zone is stirred, the rate of oxygen dissolving in the compound fertilizer waste liquid is accelerated, the aerobic bacteria are fully contacted with oxygen, the utilization rate of oxygen is improved, a second liquid discharge pipe 25 is arranged at the lower part of the side wall of the box 1 on one side of the third partition plate 12, a liquid discharge valve 26 is arranged on the second liquid discharge pipe 25, and the treated compound fertilizer waste liquid that passes the detection is discharged along the second liquid discharge pipe 25 after the liquid discharge valve 26 is opened.

[0013] An exhaust hole 28 is arranged on the side wall of the box 1 above the second liquid discharge pipe 25, air in the aerobic zone is discharged along the exhaust hole 28, and the stability of the air pressure in the box 1 is ensured.

[0014] The above only describes the preferred embodiment of the present application, therefore, equivalent changes or modifications made according to the structure, features and principles described in the patent application range of the present application are included in the patent application range of the present application.

Claims

1. An environmentally friendly compound fertilizer waste liquid treatment equipment, comprising a box, the upper end of the box is provided with a cover plate, characterized in that, The box is provided with a barrel on one side, a conical hopper is fixedly arranged at the bottom of the barrel, a discharge pipe is arranged at the lower end of the conical hopper, a discharge valve is arranged on the discharge pipe, a liquid inlet pipe and a first liquid outlet pipe are arranged on the upper side wall of the barrel, a liquid inlet valve is arranged on the liquid inlet pipe, the other end of the first liquid outlet pipe extends into the box, the connection between the first liquid outlet pipe and the barrel is located above the cover plate, a first partition plate, a second partition plate and a third partition plate are vertically and fixedly arranged in the box, the upper ends of the first partition plate, the second partition plate and the third partition plate abut against the cover plate, a mesh plate is horizontally and fixedly arranged in the upper part of the box on the side of the first partition plate, a plurality of three-dimensional elastic fillers are vertically and fixedly arranged at the lower end of the mesh plate, the first liquid outlet pipe passes through the mesh plate, a first overflow hole is arranged in the upper part of the first partition plate, a second overflow hole is arranged in the upper part of the second partition plate, a third overflow hole is arranged in the upper part of the third partition plate, a gas supply main pipe is arranged in the box between the second partition plate and the third partition plate, the upper end of the gas supply main pipe passes through the cover plate and a gas pump is arranged on the gas supply main pipe, the lower end of the gas supply main pipe is communicated with a plurality of gas supply branch pipes, exhaust holes are arranged on the gas supply branch pipes, a stirring rod is vertically arranged on one side of the gas supply main pipe, the upper end of the stirring rod passes through the cover plate and is connected with the transmission shaft of a motor, a stirring paddle is fixedly arranged at the lower end of the stirring rod, a second liquid outlet pipe is arranged at the lower part of the side wall of the box on the side of the third partition plate, and a liquid discharge valve is arranged on the second liquid outlet pipe.

2. The environment-friendly compound fertilizer waste liquid treatment equipment according to claim 1, characterized in that, The first liquid outlet pipe is horizontally arranged below the three-dimensional elastic filler, one end of the first liquid outlet pipe is fixedly connected with the lower part of the first partition plate, and a plurality of liquid discharge holes are uniformly arranged on the first liquid outlet pipe.

3. The environment-friendly compound fertilizer waste liquid treatment equipment according to claim 1, characterized in that, Exhaust holes are arranged on the side wall of the box above the second liquid outlet pipe.