CN210048622U

CN210048622U - Domestic sewage treatment device suitable for northwest area

Info

Publication number: CN210048622U
Application number: CN201920182462.8U
Authority: CN
Inventors: 石彬
Original assignee: Gansu Senxu Environmental Protection Energy Equipment Co Ltd
Current assignee: Gansu Senxu Environmental Protection Energy Equipment Co Ltd
Priority date: 2019-02-01
Filing date: 2019-02-01
Publication date: 2020-02-11
Anticipated expiration: 2029-02-01

Abstract

The utility model discloses a domestic sewage treatment device suitable for northwest areas, which comprises a primary anaerobic tank, a primary aerobic tank and an anoxic tank, wherein the primary aerobic tank is horizontally arranged on the side wall of the primary anaerobic tank and is tightly attached and fixed with the primary anaerobic tank, the side surface of the primary aerobic tank is provided with a secondary anaerobic tank, the secondary anaerobic tank is horizontally arranged on the side wall of the primary aerobic tank and is tightly attached and fixed with the primary aerobic tank, the anoxic tank is horizontally arranged on the side wall of the secondary anaerobic tank and is tightly attached and fixed with the secondary anaerobic tank, the side surface of the anoxic tank is provided with a secondary aerobic tank and a switching tank, the secondary aerobic tank is horizontally arranged on the side wall of the anoxic tank and is fixedly connected with the anoxic tank through screws, the secondary aerobic tank is communicated with the switching tank, the bottom of the secondary aerobic tank is provided with a sedimentation tank, a plurality of purification processes are superposed for use, the sewage treatment effect is good, can treat sewage in low temperature environment, etc.

Description

Domestic sewage treatment device suitable for northwest area

Technical Field

The utility model relates to a domestic sewage treatment device technical field specifically says a domestic sewage treatment device suitable for northwest area.

Background

People can produce a large amount of domestic sewage in the life process, and domestic sewage discharges in disorder and can cause a lot of harm to the environment, can pollute surface water, leads to water quality of water to worsen, influences the water function even, still can pollute soil, leads to soil to appear acid-base ization, salinization etc. for the environmental protection, domestic sewage need purify just can discharge after reaching standard through domestic sewage treatment plant before discharging.

Along with the increasing of the treatment force of domestic sewage in villages and towns, the domestic sewage treatment in southern villages and towns is basically and completely covered, and the sequence screen is gradually opened in northwest regions, compared with the lower air temperature in the northwest regions in southern China, particularly the temperature of minus ten degrees in autumn and winter, the temperature of minus twenty degrees is broken through in individual regions, the microbial activity in the sewage treatment process is not high, so that the process needs to be overlapped for use to reach the first-level discharge standard.

However, the existing domestic sewage treatment device suitable for northwest regions has the following defects through analysis; one is as follows: each step adopts only one-time treatment process, the treatment speed is low, and the treatment process comprises the following two steps: the sewage treatment effect is poor; and thirdly: it is impossible to treat sewage in a low temperature environment.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to solve the above insufficiency, the utility model provides a domestic sewage treatment device suitable for northwest area here, have a plurality of purification process stack uses, sewage treatment is effectual, can handle advantages such as sewage at low temperature environment.

In order to achieve the above object, the utility model provides a following technical scheme:

a domestic sewage treatment device suitable for northwest areas comprises a primary anaerobic tank, a primary aerobic tank and an anoxic tank, wherein the primary aerobic tank is horizontally arranged on the side wall of the primary anaerobic tank and is tightly attached and fixed with the primary anaerobic tank, a secondary anaerobic tank is arranged on the side surface of the primary aerobic tank and is horizontally arranged on the side wall of the primary aerobic tank and is tightly attached and fixed with the primary aerobic tank, the anoxic tank is horizontally arranged on the side wall of the secondary anaerobic tank and is tightly attached and fixed with the secondary anaerobic tank, a secondary aerobic tank and a switching tank are arranged on the side surface of the anoxic tank, the secondary aerobic tank is horizontally arranged on the side wall of the anoxic tank and is fixedly connected with the anoxic tank through screws, the secondary aerobic tank is communicated with the switching tank, a sedimentation tank is arranged at the bottom of the secondary aerobic tank and is horizontally arranged at the middle position of the bottom of the secondary aerobic tank, and the sedimentation tank is communicated with the secondary aerobic tank, the side of the sedimentation tank is provided with a sludge tank and a connecting groove, the sludge tank is communicated with the sedimentation tank through the connecting groove, one side of the sedimentation tank is provided with an ultraviolet disinfection tank and a conducting pipe, the ultraviolet disinfection tank is communicated with the sedimentation tank through the conducting pipe, the side of the primary aerobic tank and the side of the secondary aerobic tank are both provided with aeration fans, the aeration fans are obliquely arranged on the primary aerobic tank and the top edge of the secondary aerobic tank and are fixedly connected with the primary aerobic tank and the secondary aerobic tank through screws, the primary anaerobic tank, the primary aerobic tank, the secondary anaerobic tank, the anoxic tank and the top edge of the secondary aerobic tank are both provided with notches, the inner sides of the notches are provided with vertically arranged limiting grooves, the limiting grooves are tightly attached and fixed with the notches, the inside of the limiting grooves are provided with vertically arranged baffle plates which are movably connected with the limiting grooves, the top of the primary aerobic tank is provided with a water pump and a mounting rack, the, the side of water pump is equipped with drinking-water pipe and drain pipe respectively, and the drinking-water pipe, the drain pipe all communicates with the water pump, the top in elementary anaerobism pond is equipped with the collecting hopper, the collecting hopper is the top border position that the slope set up in elementary anaerobism pond, and with the welding of elementary anaerobism pond, the inside of collecting hopper is equipped with the grid, the grid embedding sets up the inside wall at the collecting hopper, and pass through screw fixed connection with the collecting hopper, the top of baffle is equipped with the handle, the handle is the top border position that sets up at the baffle perpendicularly, and weld with the baffle.

As above-mentioned technical scheme's improvement, the top in sludge impoundment is equipped with the bracing piece of two symmetric distributions, the bracing piece is the top border position that sets up at sludge impoundment perpendicularly, and the both ends of bracing piece respectively with elementary anaerobism pond, sludge impoundment pass through screw fixed connection, because the position in elementary anaerobism pond is higher, and need bear the weight of sewage, bracing piece through setting up can play the supporting role to elementary anaerobism pond, and couple together elementary anaerobism pond and sludge impoundment, improve stability between the two.

As the improvement of the technical scheme, the top edge positions of the primary aerobic tank, the secondary anaerobic tank, the anoxic tank, the secondary aerobic tank and the transfer tank are provided with the chutes, the sewage discharged by the primary treatment tank is required to be received by each stage of treatment tank, the overflow to the edge positions in the sewage receiving process can be avoided by arranging the chutes, the cleanness of the top edge of the treatment tank can be kept, and the workers do not need to frequently clean the sewage.

As an improvement of the technical scheme, the water pump is a self-suction sewage pump, a water suction pipe of the water pump is communicated with the primary aerobic tank and the secondary aerobic tank, a water discharge pipe of the water pump is communicated with the primary anaerobic tank, and nitrified liquid in the primary aerobic tank and the secondary aerobic tank can flow back into the primary anaerobic tank through the arranged water pump.

The beneficial effects of the utility model are embodied in that:

the method has the advantages that: the top in sludge impoundment is equipped with the bracing piece of two symmetric distributions, the bracing piece is the top border position of setting at sludge impoundment perpendicularly, and the both ends of bracing piece pass through screw fixed connection with elementary anaerobism pond, sludge impoundment respectively, because the position in elementary anaerobism pond is higher, and need bear the weight of sewage, can play the supporting role to elementary anaerobism pond through the bracing piece that sets up, and couple together elementary anaerobism pond and sludge impoundment, improve stability between the two.

The method has the advantages that: the top border position in elementary good oxygen pond, second grade anaerobism pond, oxygen deficiency pond, the good oxygen pond of second grade, switching pond is equipped with the chute, and the processing ponds at different levels need accept the discharged sewage of last grade processing pond, can avoid sewage to accept the in-process and spill over the border position through setting up the chute, can keep the clean of processing pond top edge for the staff need not frequent clearance.

The method has the advantages that: the water pump is a self-priming sewage pump with the specific model of 25ZW8-15 and the flow rate of 8m ³And h, the rated power is 1.5KW, a water pumping pipe of the water pump is communicated with the primary aerobic pool and the secondary aerobic pool, a water discharging pipe is communicated with the primary anaerobic pool, and the nitrified liquid in the primary aerobic pool and the secondary aerobic pool can flow back into the primary anaerobic pool through the arranged water pump.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged view of a portion of the water pump of FIG. 1;

fig. 3 is a partially enlarged view of the baffle plate of fig. 1.

Sequence numbers shown in the figures: the anaerobic sewage treatment system comprises a primary anaerobic tank 1, a primary aerobic tank 2, a secondary anaerobic tank 3, an anoxic tank 4, a secondary aerobic tank 5, a transfer tank 6, a sedimentation tank 7, an ultraviolet disinfection tank 8, a sludge tank 9, an aeration fan 10, a support rod 11, a connecting groove 12, a conduction pipe 13, a water pump 14, a water pumping pipe 15, an installation frame 16, a drain pipe 17, a notch 18, a limiting groove 19, a baffle plate 20, a handle 21, a chute 22, a collecting hopper 23 and a grid 24.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 3, and the technical solutions in the embodiments of the present invention will be clearly and completely described.

As shown in fig. 1-3, a domestic sewage treatment device suitable for northwest region comprises a primary anaerobic tank 1, a primary aerobic tank 2, and an anoxic tank 4, wherein the primary aerobic tank 2 is horizontally arranged on the side wall of the primary anaerobic tank 1 and tightly attached and fixed with the primary anaerobic tank 1, a secondary anaerobic tank 3 is arranged on the side surface of the primary aerobic tank 2, the secondary anaerobic tank 3 is horizontally arranged on the side wall of the primary aerobic tank 2 and tightly attached and fixed with the primary aerobic tank 2, the anoxic tank 4 is horizontally arranged on the side wall of the secondary anaerobic tank 3 and tightly attached and fixed with the secondary anaerobic tank 3, a secondary aerobic tank 5 and a switching tank 6 are arranged on the side surface of the anoxic tank 4, the secondary aerobic tank 5 is horizontally arranged on the side wall of the anoxic tank 4 and fixedly connected with the anoxic tank 4 through screws, the secondary aerobic tank 5 is communicated with the switching tank 6, a sedimentation tank 7 is arranged at the bottom of the secondary aerobic tank 5, the sedimentation tank 7 is horizontally arranged at the middle position of the bottom of the secondary aerobic tank 5, the sedimentation tank 7 is communicated with the secondary aerobic tank 5, the side surface of the sedimentation tank 7 is provided with a sludge tank 9 and a connecting groove 12, the sludge tank 9 is communicated with the sedimentation tank 7 through the connecting groove 12, one side of the sedimentation tank 7 is provided with an ultraviolet disinfection tank 8 and a conducting pipe 13, the ultraviolet disinfection tank 8 is communicated with the sedimentation tank 7 through the conducting pipe 13, the side surfaces of the primary aerobic tank 2 and the secondary aerobic tank 5 are respectively provided with an aeration fan 10, the aeration fan 10 is obliquely arranged at the top edge position of the primary aerobic tank 2 and the secondary aerobic tank 5 and is fixedly connected with the primary aerobic tank 2 and the secondary aerobic tank 5 through screws, the primary anaerobic tank 1, the primary aerobic tank 2, the secondary anaerobic tank 3, the anoxic tank 4 and the top edge of the secondary aerobic tank 5 are respectively provided with a notch 18, the inner side of the notch 18 is provided with a vertically arranged, the limiting groove 19 is tightly attached and fixed with the notch 18, a baffle 20 which is vertically arranged is arranged inside the limiting groove 19, the baffle 20 is movably connected with the limiting groove 19, the top of the primary aerobic pool 2 is provided with a water pump 14 and an installation frame 16, the water pump 14 is fixedly connected with the primary aerobic pool 2 through the installation frame 16, the side surface of the water pump 14 is respectively provided with a water pumping pipe 15 and a water draining pipe 17, the water pumping pipe 15 and the water draining pipe 17 are both communicated with the water pump 14, the top of the primary anaerobic pool 1 is provided with a collecting hopper 23, the collecting hopper 23 is obliquely arranged at the edge position of the top of the primary anaerobic pool 1 and welded with the primary anaerobic pool 1, the inside of the collecting hopper 23 is provided with a grid 24, the grid 24 is embedded in the inner side wall of the collecting hopper 23 and fixedly connected with the collecting hopper 23 through screws, the top of the baffle 20 is provided with a handle 21, the handle 21 is vertically arranged, the primary anaerobic tank 1, the primary aerobic tank 2, the secondary anaerobic tank 3, the anoxic tank 4, the secondary aerobic tank 5 and the switching tank 6 are sequentially distributed in a step shape, and the water pump 14 and the aeration fan 10 can be connected with an external power supply line.

The top in sludge impoundment 9 is equipped with two symmetric distribution's bracing piece 11, bracing piece 11 is the perpendicular top border position that sets up at sludge impoundment 9, and the both ends of bracing piece 11 respectively with elementary anaerobism pond 1, sludge impoundment 9 passes through screw fixed connection, because the position in elementary anaerobism pond 1 is higher, and need bear the weight of sewage, bracing piece 11 through setting up can play the supporting role to elementary anaerobism pond 1, and couple together elementary anaerobism pond 1 and sludge impoundment 9, improve stability between the two.

The top border position in elementary good oxygen pond 2, second grade anaerobism pond 3, oxygen deficiency pond 4, second grade good oxygen pond 5, switching pond 6 is equipped with chute 22, and each grade of treatment pond need accept last grade of treatment pond exhaust sewage, can avoid sewage to accept the in-process and spill over the border position through setting up chute 22, can keep the cleanness of treatment pond top edge for the staff need not frequent clearance.

The water pump 14 is a self-priming sewage pump with a specific model of 25ZW8-15 and a flow rate of 8m ³And h, the rated power is 1.5KW, a water pumping pipe 15 of a water pump 14 is communicated with the primary aerobic pool 2 and the secondary aerobic pool 5, a water discharging pipe 17 is communicated with the primary anaerobic pool 1, and the nitrified liquid in the primary aerobic pool 2 and the secondary aerobic pool 5 can flow back to the primary anaerobic pool 1 through the arranged water pump 14.

The utility model discloses a theory of operation: firstly, a worker connects a domestic sewage discharge pipe to the top end of a collecting hopper 23, the domestic sewage flows to the bottom along the collecting hopper 23 and flows through a grid 24 in the flowing process, large-particle impurities in the domestic sewage are filtered by the grid 24, the remaining sewage enters a primary anaerobic tank 1 for treatment, the worker pours nitrified liquid into the primary anaerobic tank 1, a baffle 20 is lifted after the primary anaerobic tank 1 is treated, the domestic sewage is discharged into a primary aerobic tank 2 of the next stage for the next treatment, the domestic sewage is discharged into a secondary anaerobic tank 3 after the treatment is finished, the treatment process of the first step is repeated, the domestic sewage is discharged into an anoxic tank 4 for treatment, the domestic sewage flows into a secondary aerobic tank 5 through a notch 18 after the treatment is finished, the domestic sewage is discharged into a sedimentation tank 7 through a switching tank 6 for sedimentation treatment after the treatment is finished, a conduction pipe 13 is opened after the sewage is sedimentated, the water on the surface is discharged into the ultraviolet disinfection tank 8 for ultraviolet disinfection treatment, the sludge precipitated in the sedimentation tank 7 is discharged into the sludge tank 9 through the connecting groove 12, and it is to be noted that, in the process of treating the sewage by the primary aerobic tank 2 and the secondary aerobic tank 5, the aeration fan 10 is started to improve the contact surface of the sewage and the oxygen, and the water pump 14 can return the nitrified liquid in the primary aerobic tank 2 and the secondary aerobic tank 5 to the primary anaerobic tank 1.

Claims

1. The utility model provides a domestic sewage treatment plant suitable for northwest district, includes elementary anaerobism pond (1), elementary aerobic tank (2), oxygen deficiency pond (4), its characterized in that: the primary aerobic tank (2) is horizontally arranged on the side wall of the primary anaerobic tank (1) and is tightly attached to and fixed with the primary anaerobic tank (1), the secondary anaerobic tank (3) is horizontally arranged on the side wall of the primary aerobic tank (2) and is tightly attached to and fixed with the primary aerobic tank (2), the anoxic tank (4) is horizontally arranged on the side wall of the secondary anaerobic tank (3) and is tightly attached to and fixed with the secondary anaerobic tank (3), the side wall of the anoxic tank (4) is provided with a secondary aerobic tank (5) and a switching tank (6), the secondary aerobic tank (5) is horizontally arranged on the side wall of the anoxic tank (4) and is fixedly connected with the anoxic tank (4) through screws, the secondary aerobic tank (5) is communicated with the switching tank (6), the bottom of the secondary aerobic tank (5) is provided with a sedimentation tank (7), the sedimentation tank (7) is horizontally arranged at the middle position of the bottom of the secondary aerobic tank (5), the sedimentation tank (7) is communicated with the secondary aerobic tank (5), a sludge tank (9) and a connecting groove (12) are arranged on the side surface of the sedimentation tank (7), the sludge tank (9) is communicated with the sedimentation tank (7) through the connecting groove (12), an ultraviolet disinfection tank (8) and a conduction pipe (13) are arranged on one side of the sedimentation tank (7), the ultraviolet disinfection tank (8) is communicated with the sedimentation tank (7) through the conduction pipe (13), aeration fans (10) are arranged on the side surfaces of the primary aerobic tank (2) and the secondary aerobic tank (5), the aeration fans (10) are obliquely arranged at the top edge positions of the primary aerobic tank (2) and the secondary aerobic tank (5) and are fixedly connected with the primary aerobic tank (2) and the secondary aerobic tank (5) through screws, the top edge of elementary anaerobism pond (1), elementary good oxygen pond (2), second grade anaerobism pond (3), oxygen deficiency pond (4), second grade good oxygen pond (5) all is equipped with breach (18), the inboard of breach (18) is equipped with spacing groove (19) that are perpendicular setting, spacing groove (19) closely laminate and fix with breach (18), the inside of spacing groove (19) is equipped with baffle (20) that are perpendicular setting, baffle (20) and spacing groove (19) swing joint, the top of elementary good oxygen pond (2) is equipped with water pump (14) and mounting bracket (16), water pump (14) pass through mounting bracket (16) fixed connection with elementary good oxygen pond (2), the side of water pump (14) is equipped with drinking-water pipe (15) and drain pipe (17) respectively, just drinking-water pipe (15), drain pipe (17) all communicate with water pump (14), the top in elementary anaerobism pond (1) is equipped with collecting hopper (23), collecting hopper (23) are the slope and set up the top border position in elementary anaerobism pond (1) to with elementary anaerobism pond (1) welding, the inside of collecting hopper (23) is equipped with grid (24), grid (24) embedding sets up the inside wall in collecting hopper (23) to pass through screw fixed connection with collecting hopper (23), the top of baffle (20) is equipped with handle (21), handle (21) are the perpendicular top border position that sets up at baffle (20), and weld with baffle (20).

2. The domestic sewage treatment device suitable for northwest region of claim 1, wherein: the top of sludge impoundment (9) is equipped with two symmetric distribution's bracing piece (11), bracing piece (11) are the top border position that sets up at sludge impoundment (9) perpendicularly, just the both ends of bracing piece (11) pass through screw fixed connection with elementary anaerobism pond (1), sludge impoundment (9) respectively.

3. The domestic sewage treatment device suitable for northwest region of claim 1, wherein: the top edge positions of the primary aerobic tank (2), the secondary anaerobic tank (3), the anoxic tank (4), the secondary aerobic tank (5) and the transfer tank (6) are provided with chutes (22).

4. The domestic sewage treatment device suitable for northwest region of claim 1, wherein: the water pump (14) is of the type of a self-priming sewage pump.