Phosphorus removal device for rural domestic sewage

Abstract

The utility model discloses a rural domestic sewage dephosphorization device which comprises a bottom plate, a dephosphorization barrel is arranged above the bottom plate, the upper surface of the dephosphorization barrel is fixedly communicated with a water injection pipe and a material injection pipe respectively, the front end of the water injection pipe is fixedly communicated with a water injection connector, and a gear motor is fixedly installed on the upper surface of the bottom plate. And a sealing bearing is fixedly embedded in the bottom end of the dephosphorization barrel, a stirring shaft is fixedly connected to the inner ring of the sealing bearing, the output end of the gear motor is fixedly connected with the bottom end of the stirring shaft, and two sets of stirring blade plates are fixedly connected to the outer surface of the stirring shaft. According to the sewage treatment device, inorganic phosphorus and organic phosphorus in sewage can be removed, secondary nitrogen and phosphorus removal can be carried out on the sewage through the arrangement of the anaerobic tank, the anoxic tank and the aerobic tank, and the sewage can be organically matched with different types of microbial florae under three different anaerobic, anoxic and aerobic environmental conditions; the device has the functions of simultaneously removing organic matters and removing nitrogen and phosphorus.

Description

Technical Field

[0001] The present application relates to the technical field of sewage treatment, and in particular to a phosphorus removal device for rural domestic sewage. Background Art

[0002] Wastewater treatment is the process of purifying sewage to meet the water quality requirements for discharge into a water body or reuse. Wastewater treatment is widely used in various fields such as construction, agriculture, transportation, energy, petrochemicals, environmental protection, urban landscape, medical care, and catering.

[0003] At present, a large amount of sewage will be generated in the process of rural life. At present, ion exchange, chemical precipitation, reverse osmosis and electrodialysis are usually used to remove phosphorus from sewage. However, the phosphorus removal equipment is large, which is not conducive to implementation in rural areas and increases the phosphorus removal cost of rural domestic sewage. Therefore, in order to solve the above problems, we provide a rural domestic sewage phosphorus removal device. Utility Model Content

[0004] The purpose of the utility model is to provide a rural domestic sewage dephosphorization device to solve the problems raised in the above background technology.

[0005] The present application embodiment adopts the following technical solutions:

[0006] A rural domestic sewage dephosphorization device comprises a base plate, a dephosphorization cylinder is provided above the base plate, a water injection pipe and a material injection pipe are fixedly connected to the upper surface of the dephosphorization cylinder, the front end of the water injection pipe is fixedly connected to a water injection joint, a reduction motor is fixedly installed on the upper surface of the base plate, a sealed bearing is fixedly inlaid at the bottom end of the dephosphorization cylinder, the inner ring of the sealed bearing is fixedly connected to a stirring shaft, the output end of the reduction motor is fixedly connected to the bottom end of the stirring shaft, two groups of stirring blades are fixedly connected to the outer surface of the stirring shaft, an anaerobic box, an anoxic box and an aerobic box are fixedly installed on the upper surface of the base plate, a water pump is fixedly installed on the upper surface of the base plate, the input end of the water pump is fixedly connected to a water pump, and the right end of the water pump passes through the dephosphorization cylinder and extends to the inside of the dephosphorization cylinder.

[0007] Preferably, the output end of the water pump is fixedly connected to a drain pipe, one end of the drain pipe away from the water pump is fixedly connected to the upper surface of the anaerobic box, and the outer surface of the pumping pipe is fixedly connected to a solenoid valve.

[0008] Preferably, a support plate is fixedly connected to the back side of the anaerobic box, and the upper surface of the support plate is fixedly connected to the bottom surface of the drainage pipe.

[0009] Preferably, the outer surface of the anaerobic box is fixedly connected to a first connecting pipe, and the end of the first connecting pipe away from the anaerobic box is fixedly connected to the outer surface of the anoxic box. The outer surface of the anoxic box is fixedly connected to a second connecting pipe, and the end of the second connecting pipe away from the anoxic box is fixedly connected to the outer surface of the aerobic box.

[0010] Preferably, the outer surface of the aerobic box is fixedly connected to a water outlet pipe, the upper surface of the bottom plate is fixedly mounted with a control box, and the front surface of the dephosphorization cylinder is fixedly inlaid with a transparent observation plate.

[0011] Preferably, a plurality of supporting legs are fixedly connected to the upper surface of the base plate, and the upper surface of each of the supporting legs is fixedly connected to the bottom surface of the dephosphorization cylinder.

[0012] At least one of the above technical solutions adopted in the embodiments of the present application can achieve the following beneficial effects:

[0013] The rural domestic sewage dephosphorization device can inject sewage and a dephosphorization agent into the dephosphorization cylinder through the dephosphorization cylinder, and can drive the stirring shaft and the stirring blade to rotate by the operation of the reduction motor, so as to fully mix the sewage and the dephosphorization agent in the dephosphorization cylinder, and can remove inorganic phosphorus and organic phosphorus in the sewage. Through the arrangement of the anaerobic box, the anoxic box and the aerobic box, the sewage can be denitrified and dephosphorized for a second time, and the three different environmental conditions of anaerobic, anoxic and aerobic and different types of microbial flora can be organically coordinated, so as to have the functions of removing organic matter and denitrifying and dephosphorizing at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0015] Figure 1 The utility model is a three-dimensional structural diagram of a front view of a rural domestic sewage dephosphorization device;

[0016] Figure 2 The utility model is a three-dimensional structural diagram of a rear view of a rural domestic sewage dephosphorization device;

[0017] Figure 3 The utility model is a cross-sectional view of the front view of the dephosphorization cylinder in the rural domestic sewage dephosphorization device;

[0018] Figure 4 It is a three-dimensional structural schematic diagram of the side view of the water pump in the rural domestic sewage dephosphorization device of the utility model.

[0019] In the figure: 1. bottom plate; 2. dephosphorization cylinder; 3. water injection pipe; 4. water injection joint; 5. injection pipe; 6. reduction motor; 7. sealed bearing; 8. stirring shaft; 9. stirring blade; 10. water pump; 11. suction pipe; 12. solenoid valve; 13. anaerobic box; 14. anoxic box; 15. aerobic box; 16. support plate; 17. drainage pipe; 18. first connecting pipe; 19. second connecting pipe; 20. control box; 21. support leg; 22. transparent observation board; 23. outlet pipe. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the present application clearer, the technical solution of the present application will be clearly and completely described below in combination with the specific embodiments of the present application and the corresponding drawings. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present application.

[0021] The technical solutions provided by various embodiments of the present application are described in detail below in conjunction with the accompanying drawings.

[0022] See also Figure 1-4 The utility model provides a technical solution for a rural domestic sewage dephosphorization device:

[0023] A rural domestic sewage dephosphorization device comprises a bottom plate 1, a dephosphorization cylinder 2 is arranged above the bottom plate 1, a water injection pipe 3 and a material injection pipe 5 are fixedly connected to the upper surface of the dephosphorization cylinder 2, a water injection joint 4 is fixedly connected to the front end of the water injection pipe 3, a reduction motor 6 is fixedly installed on the upper surface of the bottom plate 1, a sealed bearing 7 is fixedly inlaid at the bottom end of the dephosphorization cylinder 2, a stirring shaft 8 is fixedly connected to the inner ring of the sealed bearing 7, an output end of the reduction motor 6 is fixedly connected to the bottom end of the stirring shaft 8, two groups of stirring blades 9 are fixedly connected to the outer surface of the stirring shaft 8, and the upper surface of the bottom plate 1 is fixedly connected to the bottom end of the stirring shaft 8. An anaerobic box 13, an anaerobic box 14 and an aerobic box 15 are fixedly installed on the surface respectively, and a water pump 10 is fixedly installed on the upper surface of the base plate 1. The input end of the water pump 10 is fixedly connected to a pumping pipe 11, and the right end of the pumping pipe 11 passes through the dephosphorization cylinder 2 and extends to the inside of the dephosphorization cylinder 2; specifically, through the setting of the dephosphorization cylinder 2, sewage and dephosphorization agent can be injected into the inside of the dephosphorization cylinder 2, and the reduction motor 6 is used to drive the stirring shaft 8 and the stirring blade 9 to rotate, which will fully mix the sewage and dephosphorization agent inside the dephosphorization cylinder 2.

[0024] In this embodiment, the output end of the water pump 10 is fixedly connected to a drain pipe 17, and one end of the drain pipe 17 away from the water pump 10 is fixedly connected to the upper surface of the anaerobic box 13, and the outer surface of the pumping pipe 11 is fixedly connected to the solenoid valve 12. The back of the anaerobic box 13 is fixedly connected to a support plate 16, and the upper surface of the support plate 16 is fixedly connected to the bottom surface of the drain pipe 17; specifically, through the arrangement of the drain pipe 17 and the solenoid valve 12, the sewage from which phosphorus is initially removed can be discharged and transported, and will be transported and injected into the interior of the anaerobic box 13, so as to facilitate its deep treatment, and the arrangement of the support plate 16 will support the drain pipe 17, so that the drain pipe 17 can be made more firm.

[0025] In the present embodiment, the outer surface of the anaerobic box 13 is fixedly connected with a first connecting pipe 18, and the end of the first connecting pipe 18 away from the anaerobic box 13 is fixedly connected with the outer surface of the anoxic box 14, and the outer surface of the anoxic box 14 is fixedly connected with a second connecting pipe 19, and the end of the second connecting pipe 19 away from the anoxic box 14 is fixedly connected with the outer surface of the aerobic box 15, and the outer surface of the aerobic box 15 is fixedly connected with a water outlet pipe 23, and the upper surface of the bottom plate 1 is fixedly installed with a control box 20, and the front of the dephosphorization cylinder 2 is fixedly inlaid with a transparent observation plate 22, and the upper surface of the bottom plate 1 is fixedly connected with a plurality of supporting legs 21, and the upper surface of each supporting leg 21 is fixedly connected with the bottom surface of the dephosphorization cylinder 2; specifically, through the provision of the first connecting pipe 18 and the second connecting pipe 19, the anaerobic box 13, the anoxic box 14 and the aerobic box 15 can be connected, which is convenient for anaerobic, anoxic and aerobic treatments, and the provision of the supporting legs 21 will stably support the bottom of the dephosphorization cylinder 2.

[0026] Working principle: First, connect the sewage pipe with the water injection joint 4, and then connect the device to the power supply, so that the sewage can be injected into the dephosphorization cylinder 2, and then the dephosphorization agent is injected into the dephosphorization cylinder 2 through the injection pipe 5, and the reduction motor 6 is started to rotate, which can drive the stirring shaft 8 and the stirring blade 9 to rotate, and the sewage and the dephosphorization agent in the dephosphorization cylinder 2 will be fully mixed, and the total phosphorus in the sewage such as inorganic phosphorus and organic phosphorus can be removed. Then, the water pump 10 is started to extract the sewage with preliminary dephosphorization, and it will be discharged into the anaerobic box 13, and then circulated in the anoxic box 14 and the aerobic box 15 in turn, which can perform secondary denitrification and dephosphorization.

[0027] It should also be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, commodity or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, commodity or device. In the absence of more restrictions, the elements defined by the sentence "comprises a ..." do not exclude the existence of other identical elements in the process, method, commodity or device including the elements.

[0028] The above is only an embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present application shall be included in the scope of the claims of the present application. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is limited by the attached claims rather than the above description, so it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

Claims

1. A rural domestic sewage dephosphorization device, comprising a bottom plate (1), characterized in that: A dephosphorization cylinder (2) is provided above the bottom plate (1); a water injection pipe (3) and a material injection pipe (5) are fixedly connected to the upper surface of the dephosphorization cylinder (2); a water injection pipe (3) and a material injection pipe (5) are fixedly connected to the front end of the water injection pipe (3); a water injection joint (4) is fixedly connected to the upper surface of the bottom plate (1); a reduction motor (6) is fixedly installed on the upper surface of the bottom plate (1); a sealed bearing (7) is fixedly embedded at the bottom end of the dephosphorization cylinder (2); a stirring shaft (8) is fixedly connected to the inner ring of the sealed bearing (7); and the output end of the reduction motor (6) is connected to the stirring shaft (8). The bottom end of the mixing shaft (8) is fixedly connected, and two groups of mixing blades (9) are fixedly connected to the outer surface of the mixing shaft (8). An anaerobic box (13), an anoxic box (14) and an aerobic box (15) are fixedly installed on the upper surface of the bottom plate (1), respectively. A water pump (10) is fixedly installed on the upper surface of the bottom plate (1), and the input end of the water pump (10) is fixedly connected to a water pump (11). The right end of the water pump (11) passes through the dephosphorization cylinder (2) and extends to the interior of the dephosphorization cylinder (2).

2. A rural domestic sewage phosphorus removal device according to claim 1, characterized in that: The output end of the water pump (10) is fixedly connected to a drainage pipe (17), one end of the drainage pipe (17) away from the water pump (10) is fixedly connected to the upper surface of the anaerobic box (13), and the outer surface of the water pump (11) is fixedly connected to a solenoid valve (12).

3. A rural domestic sewage phosphorus removal device according to claim 1, characterized in that: A support plate (16) is fixedly connected to the back of the anaerobic box (13), and the upper surface of the support plate (16) is fixedly connected to the bottom surface of the drainage pipe (17).

4. A rural domestic sewage phosphorus removal device according to claim 1, characterized in that: The outer surface of the anaerobic box (13) is fixedly connected to a first connecting pipe (18), and one end of the first connecting pipe (18) away from the anaerobic box (13) is fixedly connected to the outer surface of the anoxic box (14). The outer surface of the anoxic box (14) is fixedly connected to a second connecting pipe (19), and one end of the second connecting pipe (19) away from the anoxic box (14) is fixedly connected to the outer surface of the aerobic box (15).

5. A rural domestic sewage phosphorus removal device according to claim 1, characterized in that: The outer surface of the aerobic box (15) is fixedly connected to a water outlet pipe (23), the upper surface of the bottom plate (1) is fixedly mounted with a control box (20), and the front surface of the dephosphorization cylinder (2) is fixedly inlaid with a transparent observation plate (22).

6. A rural domestic sewage phosphorus removal device according to claim 1, characterized in that: A plurality of support legs (21) are fixedly connected to the upper surface of the base plate (1), and the upper surface of each support leg (21) is fixedly connected to the bottom surface of the dephosphorization cylinder (2).

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