CN210001716U

CN210001716U - Small buried sewage treatment device

Info

Publication number: CN210001716U
Application number: CN201821633681.5U
Authority: CN
Inventors: 孙芳明
Original assignee: Huzhou Blue Cloud Building Materials Co Ltd
Current assignee: Huzhou Blue Cloud Building Materials Co Ltd
Priority date: 2018-10-09
Filing date: 2018-10-09
Publication date: 2020-01-31
Anticipated expiration: 2028-10-09

Abstract

The utility model relates to a sewage treatment technical field, in particular to small-size buried sewage treatment plant, small-size buried sewage treatment plant, including burying underground the main part technology pond of steel-concrete structure or brick-concrete structure, the up end in main part technology pond flushes with ground, mutually independent grid group, equalizing basin, biochemical pond and filtration sludge impoundment are separated into through a plurality of baffles in the main part technology pond, grid group, equalizing basin, biochemical pond and filtration sludge impoundment communicate in proper order, grid group is provided with sewage inlet tube etc. the utility model discloses a two-stage grid pond is handled, and preliminary treatment is effectual, forms the return circuit, and the repeated treatment sewage eliminates suspended material in the sewage to the at utmost, during the height of tubbined grid more than or equal to equalizing basin will effectively avoid not flowing into filterable sewage, in the tubbined grid in the equalizing basin is directly discharged to the sewage, the utility model discloses area is little, owing to handle domestic sewage, the pollutant is not many.

Description

Small buried sewage treatment device

Technical Field

The utility model relates to a sewage treatment technical field, in particular to kinds of small-size buried sewage treatment plant.

Background

In order to protect environment, the part of domestic sewage which can not be discharged into a sewage treatment plant is treated by grade, and is allowed to enter a corresponding water body or be recycled after the part of the domestic sewage reaches the national or local discharge standard.

The buried integrated sewage treatment equipment can be buried underground due to compact structure, flowers and plants are planted on the upper part of the equipment or small buildings are built on the upper part of the equipment, the equipment is widely applied to small sewage treatment occasions , but the equipment cannot fully play the space role due to unreasonable design, and has the defects of large occupied area, complex transportation and hoisting and the like.

SUMMERY OF THE UTILITY MODEL

Aiming at the technical problems, the utility model aims at providing small buried sewage treatment devices to solve the problems of insufficient pretreatment and large occupied space of the existing sewage treatment devices.

The technical scheme of the utility model is realized by the following technical measures that small buried sewage treatment devices comprise a main process tank buried underground in a steel-concrete structure or a brick-concrete structure, the upper end surface of the main process tank is flush with the ground, the main process tank is divided into a grid tank group, an adjusting tank, a biochemical tank and a filtered sludge tank which are independent from each other through a plurality of partition plates, the grid tank group, the adjusting tank, the biochemical tank and the filtered sludge tank are sequentially communicated, the grid tank group is provided with a sewage inlet pipe which is communicated with an external sewage collecting tank, the grid tank group comprises a grid tank and a second grid tank which are communicated with each other, the grid plate interval of the grid tank is larger than that of the second grid tank, the second grid tank arranged at the downstream of the process is communicated with the adjusting tank group, the adjusting tank comprises a water inlet channel and a barrel-shaped grid, the barrel-shaped grid is arranged in the adjusting tank, the side wall of the adjusting tank is provided with an overflow port, the water inlet channel is communicated with the barrel-shaped water inlet channel of the adjusting tank, the adjusting tank is arranged in the sewage tank, the filtered sludge tank is arranged at the lower part of the biochemical tank, the filtered sludge tank is arranged at the upper part of the biochemical tank, the filtered sludge tank is arranged at the lower part of the filtered sludge tank, and the filtered sludge tank, the filtered sludge tank is arranged at the lower part of the biochemical tank, the filtered sludge tank.

The following is the optimization or/and improvement of step of the above technical solution of the utility model:

preferably, the height of the bucket-shaped grating is greater than or equal to the height of the adjusting tank.

Preferably, the biochemical tank is internally provided with carbon fiber filler, the inner walls of the main body process tank and the regulating tank are coated with resin, and the outer walls of the main body process tank and the regulating tank are covered with asphalt.

Preferably, the second and th grating tanks are provided at upper portions thereof with th loops for communicating the second and th grating tanks with each other.

Preferably, the valve installed on the water inlet pipeline of the regulating reservoir is an electromagnetic valve, a submersible pump is further arranged on the water inlet pipeline of the regulating reservoir, the electromagnetic valve automatically controls the opening or closing of the water inlet pipeline, and the submersible pump is used for controlling the water outlet amount of the regulating reservoir.

Preferably, a second loop is arranged between the filtering sludge tank and the biochemical tank and is used for returning the clear liquid on the upper layer of the filtering sludge tank to the biochemical tank for repeated treatment.

The utility model discloses a two-stage grid pond is handled, it is effectual to preprocess, and return circuit has been formed, repeated treatment sewage, suspended material in the sewage is eliminated to furthest the height of tubbiness grid more than or equal to equalizing basin will effectively avoid not filterable sewage splash or flow in filterable sewage, in the tubbiness grid in the equalizing basin is directly discharged to sewage, prior art equalizing basin anterior segment of comparing still is equipped with into well and grit chamber etc. this device all sets up in the equalizing basin, area is little, owing to handle domestic sewage, the pollutant is not many.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

The serial numbers in the attached drawing are respectively 1, a main process tank, 2, the ground, 3, an adjusting tank, 31, a water inlet pipeline, 32, a barrel-shaped grating, 4, a biochemical tank, 5, a filtered sludge tank, 6, a sewage inlet pipe, 7, an th grating tank, 8, a second grating tank, 9, an overflow port, 10, a valve , 11, a sludge pump, 12, a clean water tank, 13, carbon fiber fillers, 14, a th loop, 15, a submersible pump, 16 and a second loop.

Detailed Description

The utility model discloses do not receive the restriction of following embodiment, can be according to the utility model discloses a technical scheme and actual conditions determine concrete implementation.

The present invention will be described in with reference to the following embodiments and accompanying drawings:

as shown in figure 1, the small buried sewage treatment device comprises a main process tank 1 buried underground and of a steel-concrete structure or a brick-concrete structure, the upper end face of the main process tank 1 is flush with the ground 2, the main process tank 1 is divided into a grid tank group, an adjusting tank 3, a biochemical tank 4 and a filtered sludge tank 5 which are independent of one another through a plurality of partition plates, the grid tank group, the adjusting tank 3, the biochemical tank 4 and the filtered sludge tank 5 are communicated in sequence, the grid tank group is provided with a sewage inlet pipe 6, the sewage inlet pipe 6 is communicated with an external sewage collecting tank, the grid tank group comprises a grid tank 7 and a second grid tank 8 which are communicated with one another, the grid plate interval of the grid tank 7 is larger than that of the second grid tank 8, the second grid tank 8 arranged at the downstream of the process is communicated with the adjusting tank 3, the adjusting tank 3 comprises a water inlet pipe 31 and a barrel-shaped grid 32, the barrel-shaped grid 32 is arranged in the adjusting tank 3, the side wall of the adjusting tank 3 is provided with an overflow port 9, a of the adjusting tank 3 is arranged at the upper portion of the adjusting tank 3, the biochemical tank 3, the filtered sludge tank 3 is arranged at the lower portion of the biochemical tank 3, the filtered sludge tank 5, the biochemical tank is arranged at the lower portion of the filtered sludge tank 3, the filtered sludge tank is communicated with the filtered sludge tank 5, and the filtered sludge tank 5, the filtered sludge tank 3, the filtered sludge tank is arranged at the lower portion of the filtered sludge tank 3, the filtered sludge.

The th grid pool 7 is communicated with the second grid pool 8 through a pipeline, sewage is pretreated for the second time in the second grid pool 8, a lifting pump can be arranged in the second grid pool 8, the pretreated sewage is lifted to the adjusting pool 3 through the lifting pump, domestic sewage flows into the barrel-shaped grids 32 from the water inlet pipeline 31, floating objects, fine particles and the like discharged into the sewage are intercepted outside the main body process pool 1 through the grids, the sewage is directly discharged into the barrel-shaped grids 32 in the adjusting pool 3, compared with the prior art that a water inlet well, a grid well and a sand settling basin are further arranged at the front section of the adjusting pool, the device is arranged in the adjusting pool 3, the occupied area is small, and due to the fact that domestic sewage is treated, pollutants are not large, a plurality of anoxic basins and contact oxidation basins are not needed, and the device is compact in overall structure, attractive in appearance and low in operation cost.

The small buried sewage treatment devices can be optimized or/and improved by steps according to actual needs:

as shown in figure 1, the height of the bucket grille 32 is larger than or equal to that of the adjusting tank 3, the height of the bucket grille 32, which is larger than or equal to that of the adjusting tank 3, can effectively prevent unfiltered sewage from splashing or flowing into filtered sewage, the filtered sewage flows into the biochemical tank 4 through the water inlet, when the water inflow amount exceeds the system load or the treatment system has an accident, the inflow of the sewage is stopped by closing the water inlet valve 10, and the overloaded sewage is directly discharged into a river channel or a municipal pipe network nearby through the overflow port 9, so that the subsequent main process tank 1 can effectively treat the sewage.

As shown in fig. 1, a carbon fiber filler 13 is arranged in the biochemical tank 4, the inner walls of the main body process tank 1 and the regulating tank 3 are coated with resin, and the outer walls of the main body process tank 1 and the regulating tank 3 are covered with asphalt.

Compared with other fillers 13, the carbon fiber filler has the advantages of large actual specific surface area, aging resistance, easy film formation, corrosion resistance, small friction coefficient, long service life and the like, microorganisms are convenient to form and demould, and the attached biological film is several times to dozens of times of other types under the same arrangement density. The device treatment process enables the volume load of the filler to be lower, the microorganism is in the self-oxidation stage, and the sludge yield is less.

As shown in FIG. 1, the second and th grating tanks 8 and 7 are provided at upper portions thereof with a th loop 14 for communicating the second and th grating tanks 8 and 7 with each other.

The utility model discloses a device area is littleer, practices thrift the space, return circuit 14's design can advance step processing in the sewage backward flow that handles through second grid pond 8 to grid pond 7, can handle sewage many times in the aspect of the hydrologic cycle of formation, let the suspended solid of great granule in the sewage thoroughly get rid of, aspect can utilize the washing effect of return water to erode the grid tray in addition, avoid having the suspended solid to block the grid tray.

As shown in fig. 1, the valve 10 installed on the water inlet pipe 31 of the regulating reservoir 3 is an electromagnetic valve, the water inlet pipe 31 of the regulating reservoir 3 is further provided with a submersible pump 15, the electromagnetic valve automatically controls the opening or closing of the water inlet pipe, and the submersible pump 15 is used for controlling the water yield of the regulating reservoir.

The opening and closing of the electromagnetic valve can be automatically controlled by arranging a controller on the ground, so that automatic control is realized. The controller is the prior known technology, can be the PLC controller, and the PLC controller can open and close of remote control immersible pump 15 simultaneously.

As shown in the attached figure 1, a second loop 16 is arranged between the filtering sludge tank 5 and the biochemical tank 4 and is used for returning clear liquid on the upper layer of the filtering sludge tank 5 to the biochemical tank 4 for repeated treatment.

The above technical features constitute the best embodiment of the present invention, which has stronger adaptability and best implementation effect, and can increase or decrease unnecessary technical features according to actual needs to satisfy different requirements.

Claims

The small buried sewage treatment device is characterized by comprising a main process tank which is buried underground and has a steel-concrete structure or a brick-concrete structure, wherein the upper end surface of the main process tank is flush with the ground, the main process tank is divided into a grid tank group, an adjusting tank, a biochemical tank and a filtered sludge tank which are mutually independent through a plurality of partition plates, the grid tank group, the adjusting tank, the biochemical tank and the filtered sludge tank are sequentially communicated, the grid tank group is provided with a sewage inlet pipe which is communicated with an external sewage collecting tank, the grid tank group comprises a grid tank and a grid tank which are mutually communicated, the grid plate interval of the grid tank is larger than that of the second grid tank, the second grid tank arranged at the downstream of the process is communicated with the adjusting tank, the adjusting tank comprises a water inlet channel and a barrel-shaped grid, the barrel-shaped grid is arranged in the adjusting tank, the side wall of the adjusting tank is provided with a water inlet, the adjusting tank is provided with a water inlet pipeline , the adjusting tank is arranged at the downstream of the adjusting tank, the biochemical tank is arranged in the adjusting tank, the sewage tank is arranged in the sewage tank, the upper portion of the filtered sludge tank, the filtered sludge tank is arranged at the lower portion of the biochemical tank, the filtered sludge tank is arranged in the filtered sludge tank, and the filtered sludge tank, the filtered sludge.
2. The kind of buried sewage treatment plant of claim 1, wherein the height of the bucket grate is greater than or equal to the height of the adjusting tank.
3. The kinds of small buried sewage treatment plant of claim 1, wherein the biochemical pool is filled with carbon fiber filler, the inner walls of the main body process pool and the regulating pool are coated with resin, and the outer walls of the main body process pool and the regulating pool are covered with asphalt.
4. The kind of small underground sewage treatment device of claim 1, 2 or 3, wherein the second and grating tanks are provided at upper portions thereof with th circuits for communicating the second and th grating tanks with each other.
5. The kinds of small buried sewage treatment device of claim 1, 2 or 3, wherein the valve installed on the inlet pipe of the adjusting tank is an electromagnetic valve, the inlet pipe of the adjusting tank is further provided with a submersible pump, the electromagnetic valve automatically controls the opening or closing of the inlet pipe, and the submersible pump is used for controlling the water outlet amount of the adjusting tank.
6. The kinds of buried sewage treatment unit of claim 4, wherein the valve installed on the inlet pipe of the regulation pool is an electromagnetic valve, the inlet pipe of the regulation pool is further provided with a submersible pump, the electromagnetic valve automatically controls the opening or closing of the inlet pipe, and the submersible pump is used for controlling the water output of the regulation pool.
7. The kind of buried sewage treatment plant of claim 1, 2 or 3, wherein a second loop is provided between the filtering sludge pond and the biochemical pond for returning the supernatant of the filtering sludge pond to the biochemical pond for repeated treatment.
8. The kinds of buried sewage treatment facility as claimed in claim 4, wherein a second loop is provided between the filtering sludge pond and the biochemical pond for returning the supernatant of the filtering sludge pond to the biochemical pond for repeated treatment.
9. The kinds of buried sewage treatment facility as claimed in claim 5, wherein a second loop is provided between the filtering sludge pond and the biochemical pond for returning the supernatant of the filtering sludge pond to the biochemical pond for repeated treatment.