CN212609820U

CN212609820U - Novel micro-power domestic sewage treatment device

Info

Publication number: CN212609820U
Application number: CN202021160690.4U
Authority: CN
Inventors: 顾忠
Original assignee: Zhejiang Poly Environment Technology Co ltd
Current assignee: Zhejiang Poly Environment Technology Co ltd
Priority date: 2020-06-20
Filing date: 2020-06-20
Publication date: 2021-02-26
Anticipated expiration: 2030-06-20

Abstract

The utility model discloses a novel micro-power domestic sewage treatment device, which comprises a grid well, a water collecting adjusting tank, an anaerobic tank, an aerobic tank and a sedimentation tank which are arranged in sequence, wherein a plurality of pretreatment groups for forming wave-shaped water channels are arranged in the water collecting adjusting tank, each pretreatment group comprises two lower clapboards which are arranged at a certain interval with the top end of the water collecting adjusting tank and an upper clapboard which is arranged between the two lower clapboards and has a certain interval with the bottom end of the water collecting adjusting tank, the tail end of the water collecting adjusting tank is communicated with the bottom end of the anaerobic tank through a first pipeline, a first biological packing layer and a second biological packing layer are respectively arranged in the anaerobic tank and the aerobic tank, an overflow port is annularly arranged at the upper part of the anaerobic tank along the tank wall, an overflow cavity is arranged on the outer part of the anaerobic tank, the overflow cavity is communicated with the bottom end of the aerobic tank through a second pipeline, the bottom end of the aerobic tank is provided, a reflux pump is arranged in the sedimentation tank and is respectively connected with the first pipeline and the second pipeline through pipelines.

Description

Novel micro-power domestic sewage treatment device

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to novel micro-power domestic sewage treatment device.

Background

The domestic sewage mainly comprises mixed liquid of excrement and urine and water, kitchen sewage, washing sewage and the like; in order to treat the sewage, a large (medium or small) sewage treatment plant is generally required to be established on the ground, huge investment, large operation cost and large maintenance cost are required, a large amount of land is occupied, a large amount of energy consumption such as electric power is consumed, and the quality of the treated water is not satisfactory.

With the rapid development of economy, the construction of some rural infrastructures is far behind the development of urban construction, each level of administrative village lacks necessary sewage treatment facilities, rain and sewage are not shunted, the ecological environment of the rural village is directly influenced, the pollution of nearby water bodies is caused, if the urban rural urban. Therefore, pollution should be controlled and treated as soon as possible, and it is necessary to construct sewage treatment facilities.

In the environmental protection field, the A/O method is common in the existing domestic sewage treatment equipment, namely, the domestic sewage enters an aerobic tank for aeration biochemical treatment after being hydrolyzed and acidified by an anoxic tank, and then is directly discharged after being precipitated, the treatment has no perfect effect on dephosphorization and denitrification, is difficult to reach the ideal discharge standard, has larger process floor area, higher operating cost and high maintenance cost, and is far away from the current development situation of China; in addition, the artificial wetland method, the biological contact oxidation method, the SBR series and the like exist, the artificial wetland method occupies a large area, the biological contact oxidation method has relatively high operation cost, the SBR series has high requirement on automation degree, operators have higher technical level, and the nitrogen and phosphorus removal capability is relatively weak.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects existing in the prior art, the utility model aims to provide a novel micro-power domestic sewage treatment device.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a novel micro-power domestic sewage treatment device comprises a grid well, a water collecting adjusting tank, an anaerobic tank, an aerobic tank and a sedimentation tank which are sequentially arranged, wherein the grid well is positioned at the upper part of one side of the water collecting adjusting tank and communicated with the upper part of the water collecting adjusting tank through a pipeline arranged at the bottom end of the grid well, a plurality of pretreatment groups for forming a wave-shaped water channel are arranged in the water collecting adjusting tank, each pretreatment group comprises two lower clapboards which are spaced from the top end of the water collecting adjusting tank, and an upper clapboard which is positioned between the two lower clapboards and spaced from the bottom end of the water collecting adjusting tank, the tail end of the water collecting adjusting tank is communicated with the bottom end of the anaerobic tank through a first pipeline, a first biological packing layer and a second biological packing layer are respectively arranged at the middle parts of the anaerobic tank and the aerobic tank, and a plurality of overflow ports are annularly formed in the upper part of the anaerobic tank along the, the anaerobic tank is characterized in that an overflow cavity with the same height as the anaerobic tank is arranged outside the anaerobic tank, the lower part of the overflow cavity is communicated with the bottom end of the aerobic tank through a second pipeline, the bottom end of the aerobic tank is provided with an aeration device, the upper part of the aerobic tank is connected with the sedimentation tank through an overflow pipeline, and a reflux pump is arranged in the sedimentation tank and is respectively connected with the first pipeline and the second pipeline through pipelines.

More preferably: and the water collecting adjusting tank, the anaerobic tank and the aerobic tank are internally provided with emptying ports.

More preferably: the aeration device is a submersible aerator.

To sum up, the utility model discloses the beneficial effect who contrasts in prior art does: sewage enters a grid well for primary filtration and enters the front end of a water collecting regulating tank, the sewage is enabled to enter an anaerobic tank gently through a water passing channel in the water collecting regulating tank, the sewage enters from the bottom end of the anaerobic tank, flows out of an overflow port, enters from a second pipeline to the bottom end of an aerobic tank, and then enters from the upper part of the aerobic tank to a sedimentation tank to complete the whole treatment step, and the sewage undergoes a first biological packing layer, aeration and a second biological packing layer to perform a better treatment effect in the process, so that various water quality indexes can be guaranteed to reach the standard stably; meanwhile, the method has the characteristics of power consumption saving, low operation cost, small sludge amount, convenient management, stable operation and the like; in addition, the underground structure is adopted, the ground can be designed into a landscape green land, and the ecological engineering can be realized.

Drawings

Fig. 1 is a schematic structural diagram of the embodiment.

Reference numerals: 1. a grid well; 2. a water collecting and adjusting tank; 3. an anaerobic tank; 4. an aerobic tank; 5. a sedimentation tank; 6. a pretreatment group; 61. an upper partition plate; 62. a lower partition plate; 7. a first conduit; 8. a first bio-filler layer; 9. a second bio-filler layer; 10. a second conduit; 11. an aeration device; 12. an overflow port; 13. an overflow cavity; 14. an overflow conduit; 15. a reflux pump.

Detailed Description

The following provides a more detailed description of the present invention with reference to the accompanying drawings.

The utility model provides a novel fine motion power domestic sewage treatment device, as shown with reference to figure 1, including grid well 1, the equalizing basin 2 that catchments, anaerobism pond 3, good oxygen pond 4 and the sedimentation tank 5 that set gradually, all communicate respectively in proper order between each cell body, the bottom of the equalizing basin 2 that catchments, anaerobism pond 3 and good oxygen pond 4 all is provided with the drain.

The grid well 1 is located the upper portion position of 2 one sides of equalizing basin catchments, is linked together through the pipeline that sets up in grid well 1 bottom and the upper portion of equalizing basin 2 catchments, is provided with a plurality of preliminary treatment groups 6 that are used for forming wave water channel in the equalizing basin 2 catchments, and in this embodiment, figure 1 only shows the structure of a preliminary treatment group 6, specifically as follows:

each pretreatment group 6 comprises two lower partition plates 62 with a certain distance from the top end of the water collecting adjusting tank 2, an upper partition plate 61 with a certain distance from the bottom end of the water collecting adjusting tank 2 is arranged between the two lower partition plates 62, therefore, a wave-shaped channel is formed along the interval between the upper partition plate 61 and the lower partition plate 62 and the water collecting adjusting tank 2, sewage flows to the tail end from the front end of the water collecting adjusting tank 2 along the wave-shaped water passing channel, the flow rate of the sewage can be smoothened, the caking condition of the sewage can be damaged, and the occurrence probability of the original single pipeline conveying blockage condition is reduced.

The tail end of the water collecting and adjusting tank 2 is communicated with the bottom end of an anaerobic tank 3 through a first pipeline 7, the middle parts of the anaerobic tank 3 and an aerobic tank 4 are respectively provided with a first biological packing layer 8 and a second biological packing layer 9, the upper part of the anaerobic tank 3 is annularly provided with a plurality of overflow ports 12 along the tank wall, the overflow ports 12 are equidistantly provided with structural strength for ensuring each point of the tank wall, the outer part of the anaerobic tank 3 is provided with an overflow cavity 13 with the same height as the overflow cavity, the lower part of the overflow cavity 13 is communicated with the bottom end of the aerobic tank 4 through a second pipeline 10, namely, sewage flows out from the overflow ports 12 and then falls down into the overflow cavity 13, and then is conveyed to the bottom end of the aerobic tank 4 through the; the bottom end of the aerobic tank 4 is provided with an aeration device 11, and the aeration device 11 is provided in this embodiment as a submersible aerator, whereby water flow in cooperation with air released from the upper aeration device 11 enables efficient oxidation treatment, and the upper portion of the aerobic tank 4 is connected to the sedimentation tank 5 through an overflow pipe 14, and a reflux pump 15 is provided in the sedimentation tank 5 and is connected to the first pipe 7 and the second pipe 10 through pipes, respectively.

The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.

Claims

1. The utility model provides a novel fine motion power sewage treatment unit, characterized by: including grid well (1), catchment equalizing basin (2), anaerobism pond (3), good oxygen pond (4) and sedimentation tank (5) that set gradually, grid well (1) is located the upper portion position of catchment equalizing basin (2) one side, is linked together through the pipeline that sets up in grid well (1) bottom and the upper portion of catchment equalizing basin (2), be provided with a plurality of preliminary treatment group (6) that are used for forming wave water channel in catchment equalizing basin (2), every preliminary treatment group (6) include two and catchment equalizing basin (2) top have certain interval lower baffle (62), and be located two between lower baffle (62) and with catchment equalizing basin (2) bottom have certain interval last baffle (61), catchment equalizing basin (2) tail end communicates with each other through first pipeline (7) and anaerobism pond (3) bottom, the middle part in anaerobism pond (3) and good oxygen pond (4) is provided with first biological packing layer (8) and second biological packing layer respectively The material layer (9), a plurality of overflow mouth (12) have been seted up along the pool wall annular in the upper portion of anaerobism pond (3), be provided with overflow cavity (13) rather than the equal height on the outside of anaerobism pond (3), the lower part of overflow cavity (13) communicates with each other through the bottom of second pipeline (10) and good oxygen pond (4), the bottom of good oxygen pond (4) is provided with aeration equipment (11), and upper portion links to each other with sedimentation tank (5) through overflow pipeline (14), be provided with in sedimentation tank (5) backwash pump (15) and link to each other with first pipeline (7) and second pipeline (10) respectively through the pipeline.

2. The novel micro-power domestic sewage treatment device according to claim 1, wherein: and emptying ports are arranged in the water collecting adjusting tank (2), the anaerobic tank (3) and the aerobic tank (4).

3. The novel micro-power domestic sewage treatment device according to claim 1, wherein: the aeration device (11) is a submersible aerator.