CN218232054U

CN218232054U - Integrated rural sewage treatment equipment

Info

Publication number: CN218232054U
Application number: CN202222041878.2U
Authority: CN
Inventors: 黄波; 方超; 程伟
Original assignee: Zhejiang Qihang Environment Group Co ltd
Current assignee: Zhejiang Qihang Environment Group Co ltd
Priority date: 2022-08-04
Filing date: 2022-08-04
Publication date: 2023-01-06
Anticipated expiration: 2032-08-04

Abstract

The utility model discloses a rural sewage treatment device of integrated form relates to the sewage treatment field. The steel plate box comprises a rectangular box body formed by surrounding four outer vertical panels and a bottom plate positioned at the bottom of the rectangular box body; a plurality of vertical keels distributed at intervals along the transverse keels are arranged between the transverse keels and the upper edge and the lower edge of the outer vertical panel, and a plurality of cushion keels arranged at intervals are arranged at the bottom of the bottom plate; a plurality of partition plates are arranged in the rectangular box body to separate the internal space to form an anaerobic tank, an anoxic tank, an aerobic tank, a sedimentation tank and an equipment tank. The utility model has the advantages of construction cycle is short, owing to be modular steel sheet case, so dig after the hole in construction site with steel sheet case hoist and mount to the foundation ditch in can, the construction is simple, the cycle shortens greatly. And has the advantage of arranging in a flexible way, according to sewage volume, can increase new steel sheet case at any time, with a plurality of steel sheet case groups together, increase sewage treatment capacity.

Description

Integrated rural sewage treatment equipment

Technical Field

The utility model discloses a rural sewage treatment device of integrated form relates to the sewage treatment field.

Background

The existing integrated rural sewage treatment equipment is mostly based on the A2O process. The process flow comprises water inlet, anaerobic section, anoxic section, aerobic section, sedimentation tank and water outlet. For example, patent document (CN 202021256244.3) discloses a rural decentralized sewage treatment device, which comprises an adjusting tank, an anaerobic tank, an anoxic tank, an aerobic tank, an inclined tube sedimentation tank, a disinfection tank, a sludge tank and an electric control cabinet; the regulating tank is connected with the anaerobic tank through a lift pump; an overflow port above the anaerobic tank is connected with the anoxic tank; a water outlet at the bottom of the anoxic tank is connected with the aerobic tank; an overflow port of the aerobic tank is connected with an inclined tube sedimentation tank; an overflow port of the inclined tube sedimentation tank is connected with the disinfection tank; the bottom sludge discharge port of the inclined tube sedimentation tank is connected with a sludge tank through a pipeline; the electric control cabinet is electrically connected with the lift pump; the adjusting tank and the sludge tank are arranged adjacently; the anaerobic tank, the anoxic tank, the aerobic tank, the inclined tube sedimentation tank and the disinfection tank are arranged adjacently.

In the scheme, the anaerobic tank, the anoxic tank, the aerobic tank, the sedimentation tank and the like are mostly formed by masonry, and the defect of long construction period exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the shortage of the prior art is overcome and a modularized integrated rural sewage treatment device is provided.

In order to solve the technical problem, the utility model adopts the following technical scheme:

an integrated rural sewage treatment device comprises a steel plate box, wherein the steel plate box comprises a rectangular box body formed by enclosing four outer vertical panels and a bottom plate positioned at the bottom of the rectangular box body; a plurality of vertical keels distributed at intervals along the transverse keels are arranged between the transverse keels and the upper edge and the lower edge of the outer vertical panel, and a plurality of cushion keels arranged at intervals are arranged at the bottom of the bottom plate; the rectangular box body is internally provided with a plurality of partition plates for separating the internal space to form an anaerobic tank, an anoxic tank, an aerobic tank, a sedimentation tank and an equipment tank.

Further, the partition plate comprises a first partition plate and a second partition plate, the first partition plate and the second partition plate are perpendicularly connected, the first partition plate and the second partition plate are welded on two face outer vertical panels of the rectangular box body, and a space where a right angle is connected inside the rectangular box body is separated from an outer space through the first partition plate and the second partition plate to form the equipment pool.

Furthermore, the partition plates comprise a third partition plate and a fourth partition plate, the third partition plate and the fourth partition plate are arranged on one side of the equipment pool, and the third partition plate and the fourth partition plate separate the left side space adjacent to the equipment pool in the rectangular box body to form the anaerobic pool and the anoxic pool.

Furthermore, the top of the four outer vertical panels, the first partition board and the second partition board is provided with a protective wrapping edge.

Furthermore, the partition plates comprise fifth partition plates, and the fifth partition plates separate the front side space adjacent to the equipment tank in the rectangular box body to form the aerobic tank and the sedimentation tank.

Further, the partition plate comprises a sixth partition plate, the sixth partition plate is arranged in the aerobic tank, and the sixth partition plate divides the aerobic tank into two halves.

Furthermore, the outer vertical panel is provided with a water inlet communicated with the anaerobic tank, the third clapboard is provided with a first overflow hole communicated with the anaerobic tank and the anoxic tank, the fourth clapboard is provided with a second overflow hole communicated with the anoxic tank and the aerobic tank, the fifth clapboard is provided with a third overflow hole communicated with the aerobic tank and the sedimentation tank, the equipment tank is internally provided with a return pipe communicated with the aerobic tank and the anoxic tank.

Furthermore, an aeration pipe is arranged in the aerobic tank, an air blower is arranged in the equipment tank, and the air blower is connected with the aeration pipe.

Has the advantages that: the utility model discloses a rural sewage treatment device of integrated form adopts the modular steel sheet case that the steel sheet adds fossil fragments and welds into. The steel plate box hoisting construction method has the advantages of short construction period, and the modularized steel plate box is simple to construct and greatly shortens the period. And has the advantage of arranging in a flexible way, according to sewage volume, can increase new steel sheet case at any time, with a plurality of steel sheet case groups together, increase sewage treatment capacity.

Drawings

FIG. 1 is a schematic view of the three-dimensional structure of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 isbase:Sub>A schematic view of the structure of FIG. 2 taken along line A-A;

description of reference numerals: the device comprises a rectangular box body 1, an outer vertical panel 101, a bottom plate 2, a transverse keel 3, a vertical keel 4, a cushion keel 5, an anaerobic tank 6, an anoxic tank 7, an aerobic tank 8, an aeration pipe 801, a sedimentation tank 9, an equipment tank 10, a first partition 1101, a second partition 1102, a third partition 1103, a fourth partition 1104, a fifth partition 1105, a sixth partition 1106, a protective covering edge 12, a water inlet 1301, a first overflow hole 1302, a second overflow hole 1303, a third overflow hole 1304, a return pipe 1305 and a blower 14.

Detailed Description

The invention is further described with reference to the drawings and the specific embodiments. Those of ordinary skill in the art will be able to implement the present invention based on these descriptions. Furthermore, the embodiments of the invention described in the following description are generally only some embodiments, but not all embodiments of the invention. Therefore, all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention shall fall within the protection scope of the present invention.

The utility model discloses a rural sewage treatment device of integrated form adopts the modular steel sheet case that the steel sheet adds fossil fragments and welds into.

The steel plate box hoisting construction method has the advantages of short construction period, and the modularized steel plate box is simple to construct and greatly shortens the period.

The sewage treatment device has the advantages of being flexible in arrangement, new steel plate boxes can be added at any time according to sewage amount, and the steel plate boxes are combined together to increase sewage treatment capacity.

Specifically, the integrated rural sewage treatment equipment as shown in the figure comprises a rectangular box body 1 formed by surrounding four outer vertical panels 101, and a bottom plate 2 arranged at the bottom of the rectangular box body 1, wherein transverse keels 3 are arranged around the periphery of the outer vertical panels 101, and a plurality of vertical keels 4 distributed at intervals along the transverse keels 3 are arranged between the transverse keels 3 and the upper edge and the lower edge of the outer vertical panels 101. The staggered design of the cross keels 3 and the vertical keels 4 can avoid the deformation of the outer vertical panel 101.

There are a plurality of pad dress fossil fragments 5 that the interval set up bottom 2 of bottom plate, and the mounting height of rectangle box 1 can be raised to pad dress fossil fragments 5, keeps certain distance with ground. The corrosion to the rectangular box body 1 is reduced.

A plurality of partition plates are arranged in the rectangular box body 1 to separate the internal space, so that an anaerobic tank 6, an anoxic tank 7, an aerobic tank 8, a sedimentation tank 9 and an equipment tank 10 are formed.

The anaerobic tank 6, the anoxic tank 7, the aerobic tank 8 and the sedimentation tank 9 are communicated in sequence.

The partition plates include a first partition plate 1101 and a second partition plate 1102, the first partition plate 1101 and the second partition plate 1102 are perpendicularly intersected, and the first partition plate 1101 and the second partition plate 1102 are welded to the two outer vertical plates 101 of the rectangular box 1, and the first partition plate 1101 and the second partition plate 1102 separate a space where right angles are intersected inside the rectangular box 1 from an external space to form the equipment tank 10.

The partition plates comprise a third partition plate 1103 and a fourth partition plate 1104, the third partition plate 1103 and the fourth partition plate 1104 are arranged on one side of the equipment tank 10, and the third partition plate 1103 and the fourth partition plate 1104 separate the left space adjacent to the equipment tank 10 in the rectangular box body 1 to form the anaerobic tank 6 and the anoxic tank 7.

The partition plates comprise a fifth partition plate 1105, and the fifth partition plate 1105 separates the front side space adjacent to the equipment tank 10 in the rectangular box body 1 to form the aerobic tank 8 and the sedimentation tank 9.

The partition plate comprises a sixth partition plate 1106, the sixth partition plate 1106 is arranged in the aerobic tank 8, and the sixth partition plate 1106 divides the aerobic tank 8 into two halves. Thereby increasing the retention time of the sewage.

The outer vertical panel 101 is provided with a water inlet 1301 communicated with the anaerobic tank 6, the third clapboard 1103 is provided with a first overflow hole 1302 communicated with the anaerobic tank 6 and the anoxic tank 7, the fourth clapboard 1104 is provided with a second overflow hole 1303 communicated with the anoxic tank 7 and the aerobic tank 8, the fifth clapboard 1105 is provided with a third overflow hole 1304 communicated with the aerobic tank 8 and the sedimentation tank 9, the equipment tank 10 is provided with a return pipe 1305, and the return pipe 1305 is communicated with the aerobic tank 8 and the anoxic tank 7.

An aeration pipe 801 is arranged in the aerobic tank 8, a blower 14 is arranged in the equipment tank 10, and the blower 14 is connected with the aeration pipe 801.

The top of the four-side outer vertical panel 101, the first partition 1101 and the second partition 1102 is provided with a protective wrapping edge 12, so that the edge of a steel plate is prevented from hurting people.

The working principle is as follows: the sewage collected in a centralized manner firstly enters an anaerobic tank 6 in the sewage treatment system through a water inlet 1301, and the sewage in the anaerobic tank 6 completes a hydrolysis acidification process and an acetic acid production process. The biodegradability of the raw sewage is improved through the hydrolysis and acidification processes, so that the time of subsequent reaction and the energy consumption of treatment are reduced.

The sewage treated by the anaerobic tank 6 enters the anoxic tank 7 through the first overflow hole 1302. The facultative microorganisms are used in the anoxic pond 7 to degrade pollutants in the wastewater. The nitrifying liquid which flows back from the aerobic tank 8 through the return pipe 1305 contains certain dissolved oxygen, the concentration of the dissolved oxygen in the sewage is changed, the sewage forms a better anoxic environment, denitrifying bacteria carry out denitrification reaction in the anoxic tank 7 by using rich organic matters in the newly-entered sewage as a carbon source, a large amount of NO3-N and NO2-N in the return mixed liquid are reduced into N2 to be released to the air, and the denitrification of the sewage is realized.

And then the sewage enters the aerobic tank 8 through the second overflow hole 1303, so that organic matters in the sewage are further degraded. A filler mounting net is arranged in the aerobic tank 8, fillers can be placed on the filler mounting net, and the fillers are full of biological films. The bottom of the aerobic tank 8 is provided with an aeration device. The sewage after artificial aeration flows through the filling material in the tank at a certain flow velocity, and is purified under the action of the biological membrane through continuous contact with the biological membrane. In the aerobic tank 8, sewage in the tank is properly aerated by an aeration device, and aerobic biochemical treatment is carried out in the biological contact oxidation tank. In the aerobic biochemical treatment, the organic matters are further biochemically degraded by microorganisms, and the concentration is continuously reduced.

After the contact aerobic reaction, the polluted organic matters in the sewage are basically cleared up by the microorganisms, and finally enter the sedimentation tank 9 through the third overflow hole 1304 for sedimentation, and suspended particles in the sewage are removed from the water by utilizing gravity sedimentation, so that the concentration of suspended matters in the sewage is reduced.

The organic matter bottom mud generated in the sedimentation tank 9 can be put into a composting field for composting after being regularly cleaned, and the composts can be used as organic fertilizers after being cured.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the drawings and the above specific embodiments. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims

1. The utility model provides a rural sewage treatment device of integrated form which characterized in that: the steel plate box comprises a rectangular box body (1) formed by surrounding four outer vertical panels (101) and a bottom plate (2) positioned at the bottom of the rectangular box body (1); transverse keels (3) are arranged around the periphery of the outer vertical panel (101), a plurality of vertical keels (4) distributed at intervals along the transverse keels (3) are arranged between the transverse keels (3) and the upper edge and the lower edge of the outer vertical panel (101), and a plurality of cushion keels (5) arranged at intervals are arranged at the bottom of the bottom plate (2); the rectangular box body (1) is internally provided with a plurality of partition plates for separating the internal space to form an anaerobic tank (6), an anoxic tank (7), an aerobic tank (8), a sedimentation tank (9) and an equipment tank (10).

2. The integrated rural sewage treatment equipment according to claim 1, wherein: the partition plates comprise a first partition plate (1101) and a second partition plate (1102), the first partition plate (1101) and the second partition plate (1102) are vertically jointed, the first partition plate (1101) and the second partition plate (1102) are welded on the outer vertical plates (101) on two sides of the rectangular box body (1), and the first partition plate (1101) and the second partition plate (1102) separate a space where a right angle is jointed in the rectangular box body (1) from an external space to form the equipment pool (10).

3. The integrated rural sewage treatment equipment according to claim 2, wherein: the partition plates comprise a third partition plate (1103) and a fourth partition plate (1104), the third partition plate (1103) and the fourth partition plate (1104) are arranged on one side of the equipment pool (10), and the left side space adjacent to the equipment pool (10) in the rectangular box body (1) is separated by the third partition plate (1103) and the fourth partition plate (1104) to form the anaerobic pool (6) and the anoxic pool (7).

4. The integrated rural sewage treatment equipment according to claim 1, wherein: and protective covering edges (12) are arranged at the tops of the four outer vertical panels (101), the first partition plate (1101) and the second partition plate (1102).

5. The integrated rural sewage treatment equipment according to claim 3, wherein: the partition plates comprise fifth partition plates (1105), and the front side spaces adjacent to the equipment tank (10) in the rectangular box body (1) are separated by the fifth partition plates (1105) to form the aerobic tank (8) and the sedimentation tank (9).

6. The integrated rural sewage treatment equipment according to claim 5, wherein: the partition plate comprises a sixth partition plate (1106), the sixth partition plate (1106) is arranged in the aerobic tank (8), and the sixth partition plate (1106) divides the aerobic tank (8) into two halves.

7. The integrated rural sewage treatment equipment according to claim 6, wherein: be equipped with on outer upright panel (101) with communicating water inlet (1301) in anaerobism pond (6), be equipped with first overflow hole (1302) of intercommunication anaerobism pond (6) and oxygen deficiency pond (7) on third baffle (1103), be equipped with second overflow hole (1303) of intercommunication oxygen deficiency pond (7) and aerobic tank (8) on fourth baffle (1104), be equipped with third overflow hole (1304) of intercommunication aerobic tank (8) and sedimentation tank (9) on fifth baffle (1105), be equipped with back flow (1305) in equipment pond (10), back flow (1305) intercommunication aerobic tank (8) and oxygen deficiency pond (7).

8. The integrated rural sewage treatment plant of claim 7, wherein: an aeration pipe (801) is arranged in the aerobic tank (8), an air blower (14) is arranged in the equipment tank (10), and the air blower (14) is connected with the aeration pipe (801).