CN211226557U

CN211226557U - Small-size domestic sewage treatment device

Info

Publication number: CN211226557U
Application number: CN201922057729.3U
Authority: CN
Inventors: 王建; 董力力; 姜清松; 陆明锋
Original assignee: Hainan Dongda Environmental Protection Engineering Equipment Co ltd
Current assignee: Hainan Dongda Environmental Protection Engineering Equipment Co ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-08-11
Anticipated expiration: 2029-11-26

Abstract

The utility model relates to the technical field of sewage treatment, in particular to a small-sized domestic sewage treatment device; the shell is divided into an anaerobic tank, an anoxic tank, an aerobic tank, a sedimentation tank, a sand filter, a clean water tank and a device room by partition plates, wherein supports are respectively arranged in the anaerobic tank, the anoxic tank and the aerobic tank, biological ropes are bound on the supports, and the anaerobic tank and the anoxic tank are provided with rectification systems to avoid short-flow of sewage; the anaerobic tank and the anoxic tank are filled with high-efficiency biological ropes, the volume ratio of the fillers can be adjusted, and the phenomena of entanglement and the like are not easy to occur; the device is integrated with a sand filter tank which is not installed in a device room.

Description

Small-size domestic sewage treatment device

Technical Field

The utility model belongs to the technical field of sewage treatment technique and specifically relates to a small-size domestic sewage treatment device.

Background

The working principle of the small-sized domestic sewage treatment device is that the small-sized domestic sewage treatment device generally decomposes most organic matters through anaerobic treatment, anoxic treatment and aerobic treatment to obtain cleaner treated water and sludge with certain fertility. For example, chinese patent discloses a small-sized purification device for rural domestic sewage treatment, patent No. 201720971123.9, in which: the device comprises an outer shell, wherein a primary aerobic tank, an anoxic tank, a secondary aerobic tank and a precipitator are arranged in the outer shell, the primary aerobic tank is communicated with a water inlet pipe, the precipitator is communicated with a water outlet pipe, partition plates are arranged between the primary aerobic tank and the anoxic tank as well as between the anoxic tank and the secondary aerobic tank, a plurality of water through holes are formed in the partition plates, the precipitator is communicated with the secondary aerobic tank through a water outlet hole in the bottom, aerators are arranged in the primary aerobic tank and the secondary aerobic tank, and the two aerators are communicated with an aeration fan through pipelines; biological suspended fillers are arranged in the first-stage aerobic tank, the anoxic tank and the second-stage aerobic tank.

The defects of the prior art are as follows: the suspended biological filler is adopted, known to be inevitable to generate fluctuation to suspended matters in the aeration process, and the suspended biological filler is difficult to fix, so that the problems of reduction of biological treatment efficiency, such as mutual extrusion and entanglement of all fillers, can be caused.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a small-sized domestic sewage treatment device which has compact structure and internal filler which can not be influenced by aeration.

The technical scheme of the utility model is that:

the utility model provides a small-size domestic sewage treatment device, includes the casing, the casing overlooks and is the rectangle, its characterized in that: an anaerobic tank, an anoxic tank, an aerobic tank, a sedimentation tank, a sand filter, a clean water tank and a device room are separated from each other by a partition board in the shell, wherein a water inlet is arranged on the side wall of the shell corresponding to the anaerobic tank, the water inlet is communicated with the anaerobic tank, the anaerobic tank is communicated with the anoxic tank, the anoxic tank is communicated with the aerobic tank, a first water outlet weir is arranged between the aerobic tank and the sedimentation tank, a second water outlet weir is arranged between the sedimentation tank and the sand filter, a water distribution weir is arranged in the sand filter and at the position corresponding to the second water outlet weir, the sand filter is communicated with the clean water tank, the side wall of the shell is provided with a water outlet corresponding to the clean water tank, the water outlet is communicated with the clean water tank, brackets are all arranged in the anaerobic tank, the anoxic tank and the aerobic tank, biological ropes are bound on the brackets, and can be understood that the biological ropes in the anaerobic, the biological rope in the aerobic tank adopts an aerobic biological filler biological rope.

Specifically, the support is rectangular frame, and the equal parallel arrangement in two sides has a plurality of crossbeams of being convenient for fixed biological rope both ends about the rectangular frame, and the upper end of biological rope is fixed on the crossbeam of up end, and the lower extreme of biological rope then is fixed on the crossbeam of terminal surface under, and all biological ropes move towards unanimously, even take place circumstances such as aeration, turbulent flow, and biological rope receives the upper and lower pulling force fixed, can not take place on a large scale the shake, can not take place the condition of entangling each other more.

Specifically, the height of the first water outlet weir is higher than that of the second water outlet weir, so that the backflow of the sedimentation tank is prevented.

Specifically, first water distribution system is installed to the anaerobism pond, and water inlet intercommunication first water distribution system, second water distribution system is installed to the oxygen deficiency pond, and the anaerobism pond passes through pipe connection and this pipe connection second water distribution system with the oxygen deficiency pond, and the sewage that the water inlet got into is by the comparatively average water distribution of first water distribution system, and the sewage of anaerobism pond flow direction oxygen deficiency pond then by the comparatively average water distribution of second water distribution system. The advantage is that the sewage can be contacted with the biological ropes more uniformly.

Specifically, be provided with the fan in the equipment room, the fan is connected with and divides the gas device, divide the gas device to pass through the aeration pipe of pipeline intercommunication aerobic tank bottom, be equipped with first charge device, second charge device and third charge device in the equipment room, three charge device is through respective pipeline intercommunication clean water basin for drop into all kinds of disinfectant.

In some embodiments, the side wall of the casing corresponding to the equipment room is provided with a door, so that managers can conveniently enter and process various types of equipment.

In this embodiment, an evacuation pipe is installed on the outer wall of the equipment room, an evacuation port is arranged at the bottom of each pool, a valve is arranged at the evacuation port, and each evacuation port is communicated with the evacuation pipe through a pipeline, so that each pool can be evacuated conveniently when needed.

The utility model has the advantages that: the anaerobic tank and the anoxic tank are provided with rectification systems to avoid short sewage flow; the anaerobic tank and the anoxic tank are filled with high-efficiency biological ropes, the volume ratio of the fillers can be adjusted, and the phenomena of entanglement and the like are not easy to occur; the device is integrated with a sand filter tank which is not installed in a device room.

Drawings

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

In the figure, 1, an anaerobic pool; 2. an anoxic tank; 3. an aerobic tank; 4. a sedimentation tank; 5. a sand filter; 6. a clean water tank; 7. a device room; 11. a water inlet; 12. a first water distribution system; 21. a second water distribution system; 31. a biological rope; 32. a support; 33. a first effluent weir; 41. a second effluent weir; 51. a water distribution weir; 61. a water outlet; 71. a fan; 72. a gas distribution device; 73. a first dosing device; 74. a second dosing device; 75. a third dosing device; 76. and (6) emptying the pipe.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:

example 1

As shown in figure 1, a small-sized domestic sewage treatment device comprises a shell, wherein the shell is rectangular in plan view, and is characterized in that: an anaerobic tank 1, an anoxic tank 2, an aerobic tank 3, a sedimentation tank 4, a sand filter tank 5, a clean water tank 6 and an equipment room 7 are separated from each other by a partition board in the shell, wherein a water inlet 11 is arranged on the shell and on the side wall corresponding to the anaerobic tank 1, the water inlet 11 is communicated with the anaerobic tank 1, the anaerobic tank 11 is communicated with the anoxic tank 2, the anoxic tank 2 is communicated with the aerobic tank 3, a first water outlet weir 33 is arranged between the aerobic tank 3 and the sedimentation tank 4, a second water outlet weir 41 is arranged between the sedimentation tank 4 and the sand filter tank 5, a water distribution weir 51 is arranged in the sand filter tank 5 and on the position corresponding to the second water outlet weir 41, the sand filter tank 5 is communicated with the clean water tank 6, a water outlet 61 is arranged on the side wall of the shell and corresponding to the clean water tank 6, a support 32 is arranged in each of the anaerobic tank 1, the anoxic tank 2 and the aerobic tank 3, the biological rope in the anaerobic tank adopts an anaerobic biological filler biological rope, the biological rope in the anoxic tank adopts an anoxic biological filler biological rope, and the biological rope in the aerobic tank adopts an aerobic biological filler biological rope.

Support 32 is rectangular frame, and the equal parallel arrangement in two sides has a plurality of crossbeams of being convenient for fixed biological rope 31 both ends about the rectangular frame, and biological rope 31's upper end is fixed on the crossbeam of up end, and biological rope 31's lower extreme is then fixed on the crossbeam of terminal surface down, and all biological rope 31 move towards unanimously, even take place the circumstances such as aeration, turbulent flow, and biological rope 31 receives the pulling force from top to bottom fixed, can not take place shake on a large scale, can not take place the condition of entangling each other more.

The height of the first water outlet weir 33 is higher than that of the second water outlet weir 41, so that the sedimentation tank 4 is prevented from reversely flowing.

First water distribution system 12 is installed to anaerobism pond 1, and water inlet 11 communicates first water distribution system 12, second water distribution system 21 is installed to oxygen deficiency pond 2, and anaerobism pond 1 passes through the pipe connection with oxygen deficiency pond 2 and this pipe connection second water distribution system 21, and the sewage that the water inlet got into is by the comparatively average water distribution of first water distribution system, and the sewage that the anaerobism pond flows to the oxygen deficiency pond then is by the comparatively average water distribution of second water distribution system. The advantage is that the sewage can be contacted with the biological ropes more uniformly.

The device room 7 is internally provided with a fan 71, the fan 71 is connected with a gas distribution device 72, the gas distribution device 72 is communicated with an aeration pipe at the bottom of the aerobic tank 3 through a pipeline, the device room 7 is internally provided with a first dosing device 73, a second dosing device 74 and a third dosing device 75, and the three dosing devices are communicated with the clean water tank 6 through respective pipelines and used for feeding various disinfectant agents.

Example 2

The side wall of the shell corresponding to the equipment room is provided with a door, so that management personnel can conveniently enter and process various kinds of equipment.

An emptying pipe 76 is installed on the outer wall of the equipment room, emptying ports are arranged at the bottoms of the pools, valves are arranged at the emptying ports, and the emptying ports are communicated with the emptying pipes through pipelines, so that each pool can be emptied conveniently when needed.

The foregoing embodiments and description have been provided to illustrate the principles and preferred embodiments of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed.

Claims

1. The utility model provides a small-size domestic sewage treatment device, includes the casing, the casing overlooks and is the rectangle, its characterized in that: separate into anaerobism pond, oxygen deficiency pond, good oxygen pond, sedimentation tank, sand filter, clean water basin and equipment room through the baffle in the casing, wherein be provided with the water inlet on the casing and on the lateral wall that corresponds the anaerobism pond, water inlet intercommunication anaerobism pond, anaerobism pond intercommunication oxygen deficiency pond, oxygen deficiency pond intercommunication good oxygen pond is provided with first play weir between good oxygen pond and the sedimentation tank, is provided with the second between sedimentation tank and the sand filter and goes out the weir, just is equipped with the weir of joining in marriage on the position that corresponds the second and goes out the weir in the sand filter, sand filter intercommunication clean water basin, casing lateral wall just corresponds the clean water basin and is provided with the delivery port, delivery port intercommunication clean water basin, all install the support in anaerobism pond, oxygen deficiency pond and the good oxygen pond, bind the biological rope on.

2. The small-sized domestic sewage treatment apparatus according to claim 1, wherein: the support is a rectangular frame, a plurality of crossbeams convenient for fixing two ends of the biological rope are arranged on the upper surface and the lower surface of the rectangular frame in parallel, the upper end of the biological rope is fixed on the crossbeam on the upper end surface, the lower end of the biological rope is fixed on the crossbeam on the lower end surface, and all the biological ropes are consistent in direction.

3. The small-sized domestic sewage treatment apparatus according to claim 2, wherein: the height of the first water outlet weir is higher than that of the second water outlet weir.

4. The small-sized domestic sewage treatment apparatus according to claim 3, wherein: first water distribution system is installed to the anaerobism pond, and water inlet intercommunication first water distribution system, second water distribution system is installed to the oxygen deficiency pond, and the anaerobism pond passes through pipe connection and this pipe connection second water distribution system with the oxygen deficiency pond.

5. The small-sized domestic sewage treatment apparatus according to claim 4, wherein: the device room is internally provided with a fan which is connected with a gas distribution device, the gas distribution device is communicated with an aeration pipe at the bottom of the aerobic tank through a pipeline, the device room is internally provided with a first dosing device, a second dosing device and a third dosing device, and the three dosing devices are communicated with a clean water tank through respective pipelines.

6. The small-sized domestic sewage treatment apparatus according to claim 5, wherein: and a door is arranged on the side wall of the shell corresponding to the equipment room.

7. The small-sized domestic sewage treatment apparatus according to claim 6, wherein: an emptying pipe is installed on the outer wall of the equipment room, emptying ports are arranged at the bottoms of the pools and are provided with valves, and the emptying ports are communicated with the emptying pipe through pipelines.