CN210528696U - A treatment facility for rural domestic sewage - Google Patents

Abstract

The utility model relates to the technical field of rural domestic sewage treatment, in particular to a treatment device for rural domestic sewage, which comprises a box body, wherein the box body comprises a first area, a second area, a third area, a fourth area and a fifth area which are relatively independent; the external sewage enters the first zone and then flows into the second zone through the first through hole, the sewage in the second zone is discharged into the third zone by the water pumping device, the sewage entering the third zone is introduced into the fourth zone through the water inlet pipe, the sewage purified by the purifying device is introduced into the fifth zone through the return pipe, then the sewage in the fifth zone is discharged into the third zone through the return device, and finally the sewage enters the fourth zone again to form circulation; the sewage after the purification in four districts is discharged to the outlet, and the outlet is located the top of box, through setting up reflux unit, drains partial sewage in the purification process to the sewage purification upper reaches once more, reaches the quick, continuous purification purpose of supplementary oxygen, sewage with higher speed, reduces the energy consumption simultaneously, convenient operation is a three-dimensional integration sewage treatment device of micro-power ecology.

Description

A treatment facility for rural domestic sewage

Technical Field

The utility model relates to a rural domestic sewage's treatment facility technical field especially relates to a treatment facility for rural domestic sewage.

Background

In recent years, with the economic development of China and the continuous improvement of the living standard of people, the problem of rural water environment pollution gradually becomes an important factor for restricting the novel urbanization construction. In the year of 2015, the water pollution prevention and control action plan, namely ten releases of water, needs to promote agricultural rural pollution prevention and control, quickens comprehensive rural environment remediation, and enables rural water environment management to become the focus of attention of people.

At present, rural domestic sewage treatment processes formed by combining different technologies at home and abroad have a plurality of forms, which are mainly divided into four types: various integrated devices are already put into use, but the mature sewage treatment device of the process has large engineering investment and high operation cost, and the sewage treatment in rural areas of China faces the following problems:

the rural domestic sewage has great volatility, and the pollution load of the domestic sewage and the day-night and seasonal changes of the domestic sewage are different.

And secondly, the selection of the sewage treatment process and technology is limited by the development level of the local society and economy and the operation management level.

Thirdly, the temperature difference has great influence on the treatment effect.

Fourthly, the population quantity is uneven, the water consumption standard is different and low, the sewage treatment scale is small, and the point positions are scattered.

And fifthly, the effluent requirement is high, the effluent is required to reach the first grade A standard of pollutant discharge standard of urban sewage treatment plant (GB18918-2002) for sites near water bodies, and the total phosphorus index of the currently common rural sewage treatment process is difficult to reach the standard due to the restriction of the operation management level and the process per se.

The existing mature sewage treatment equipment and process are not suitable for treating sewage generated in rural life in China, so the existing rural sewage treatment is still a difficult problem.

Disclosure of Invention

In order to overcome the defect of difficulty in treating rural sewage in the prior art, the utility model aims to provide a treatment device for rural domestic sewage, which realizes the solution with low investment, low energy consumption, simplicity and high efficiency.

In order to achieve the above purpose, the technical scheme of the utility model is that:

a treatment device for rural domestic sewage comprises a box body, wherein the box body comprises a first area, a second area, a third area, a fourth area and a fifth area, and the first area, the second area, the third area, the fourth area and the fifth area are separated by a plurality of partition plates to form independent areas;

the sewage treatment system also comprises a water inlet, a water pumping device, a purification device, a backflow device and a water outlet, wherein external sewage enters the first zone from the water inlet, the water pumping device is arranged in the second zone, the purification device is arranged in the fourth zone, and the backflow device is arranged in the fifth zone;

the sewage treatment system also comprises a water inlet pipe and a return pipe, wherein the water inlet pipe is communicated with the three areas and the four areas and is used for introducing sewage in the three areas into the four areas, and the return pipe is communicated with the four areas and the five areas and is used for introducing water in the four areas into the five areas;

a first partition plate is arranged between the first area and the second area, the first partition plate is provided with a first through hole, external sewage enters the first area and then flows into the second area through the first through hole, the sewage in the second area is discharged into the third area by a water pumping device, the sewage entering the third area is introduced into the fourth area through a water inlet pipe, the sewage purified by the purifying device is introduced into the fifth area through a return pipe, then the sewage in the fifth area is discharged into the third area by a return device, and finally the sewage enters the fourth area again to form circulation;

and the water outlet discharges the purified sewage in the four areas.

Furthermore, be equipped with first filter screen in the district, first filter screen is used for the granule in the filtration sewage.

Furthermore, the first filter screen is arranged in one area in an inclined manner.

Furthermore, the water pumping device comprises a first water pump and a first water pipe, and the first water pump discharges the sewage in the second area into the third area through the first water pipe.

Further, still including locating the filter frame in three districts, the filter frame is located the below of first water pipe is used for filtering the sewage impurity that first water pipe flowed out.

Furthermore, the water-saving device also comprises a flowmeter which is arranged on the first water pipe and is close to the water outlet end of the first water pipe.

Further, purifier includes plant cultivation district, anoxic zone and aerobic zone that top-down set gradually, the aerobic zone is located to the inlet tube, the anoxic zone is located to the back flow.

Furthermore, the plant cultivation area is sequentially provided with a ceramsite layer, a dephosphorization filler area, a plastic net layer and a bearing part from top to bottom, and the bearing part is fixedly connected to the side wall of the box body.

Furthermore, the backflow device comprises a second water pump and a second water pipe, and the second water pump discharges the sewage in the five areas into the three areas through the second water pipe.

Further, the four regions further comprise a temporary storage region, the temporary storage region is communicated with the water outlet, and the temporary storage region is used for storing the water purified by the purifying device.

The utility model has the advantages that: through setting up reflux unit, with the partial sewage drainage to the sewage purification upper reaches once more of purifying process, reach the quick, the continuous purification purpose of supplementary oxygen, sewage with higher speed, reduce the energy consumption simultaneously, convenient operation is a three-dimensional integration treatment facility of micro-power ecology.

Drawings

Fig. 1 is a top view of the present invention;

FIG. 2 is a three-dimensional structure diagram of the present invention

Fig. 3 is a first perspective view of the internal structure of the present invention;

fig. 4 is a second perspective view of the internal structure of the present invention;

FIG. 5 is a cross-sectional view taken along A-A of FIG. 1;

FIG. 6 is a cross-sectional view taken along line B-B of FIG. 1;

fig. 7 is a sectional view taken along the direction C-C in fig. 1.

The reference numerals include:

11-first zone 111-first screen 12-second zone

13-three-region 14-four-region 141-temporary storage region

15-five-zone 20-water inlet 21-water pumping device

211-first water pump 212-first water pipe 22-purifier

221-plant cultivation area 2211-ceramsite layer 2212-phosphorus removal filling area

2213 plastic net layer 2214 bearing part 222 anoxic zone

223-aerobic zone 23-reflux unit 231-second water pump

232-second water pipe 24-water outlet 31-water inlet pipe

32-return pipe 41-first partition 411-first through hole

5-filter frame 6-flowmeter.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and accompanying drawings, which are not intended to limit the present invention.

Referring to fig. 1 to 7, the treatment equipment for rural domestic sewage of the present invention comprises a box body, wherein the box body comprises a first area 11, a second area 12, a third area 13, a fourth area 14 and a fifth area 15, and the first area 11, the second area 12, the third area 13, the fourth area 14 and the fifth area 15 are separated by a plurality of isolation plates to form independent areas;

the sewage treatment system also comprises a water inlet 20, a water pumping device 21, a purifying device 22, a backflow device 23 and a water outlet 24, wherein outside sewage enters the first area 11 from the water inlet 20, the water pumping device 21 is arranged in the second area 12, the purifying device 22 is arranged in the fourth area 14, and the backflow device 23 is arranged in the fifth area 15;

the sewage treatment system further comprises a water inlet pipe 31 and a return pipe 32, wherein the water inlet pipe 31 is communicated with the three zones 13 and the four zones 14 and is used for introducing sewage in the three zones 13 into the four zones 14, the return pipe 32 is communicated with the four zones 14 and the five zones 15 and is used for introducing water in the four zones 14 into the five zones 15, and the return pipe 32 is positioned above the water inlet pipe 31;

a first partition plate 41 is arranged between the first area 11 and the second area 12, the first partition plate 41 is provided with a first through hole 411 which penetrates through the first partition plate 41, external sewage enters the first area 11 and then flows into the second area 12 through the first through hole 411, the water pumping device 21 discharges the sewage in the second area 12 into the third area 13, the sewage which enters the third area 13 is introduced into the fourth area 14 through the water inlet pipe 31, the sewage which is purified by the purifying device 22 is introduced into the fifth area 15 through the return pipe 32, then the sewage in the fifth area 15 is discharged into the third area 13 through the return pipe 23, and finally the sewage enters the fourth area 14 again to form circulation;

the water outlet 24 discharges the purified sewage in the four areas 14, and the water outlet 24 is positioned above the tank body.

Specifically, in this embodiment, the box is cubic, and the volume specification is long: 2.7 meters, wide 2 meters, high 2.7 meters, the box is inside to be divided into five districts by the division board, and one district 11 and two 12 set up side by side and are located three district 13 homonymy, and four districts 15 are located three district 13 and keep away from the opposite side of one district 11, and five districts 15 are located three district 13 and are close to four district 14 settings, and five districts 15 and one district 11 and two 12 intervals set up and form and pour into the space, dig the pit in suitable district, and the specification in pit is long: 3.1 m, 2.5 m and 2.3 m in width and height, firstly pouring concrete into the bottom of a soil pit to form a bearing layer, wherein the concrete is 3.1 m in length, 2.5 m in width and 0.3 m in height, then placing a box body above the bearing layer, communicating a water inlet 20 with a municipal sewage discharge pipeline, communicating a water outlet 24 with the municipal sewage reuse pipeline, burying soil and sand around the box body for fixing the box body, firstly allowing external sewage to enter a first area 11 through the water inlet 20, then injecting the external sewage into a second area 12 through the first area 11, arranging a first through hole 411 on a first partition plate 41 to allow the sewage to be injected into the second area 12 from the first area 11, allowing a water pumping device 21 in the second area 12 to pump water in time, having a buffering effect, starting the water pumping device 21, allowing the sewage in the second area 12 to be pumped by the water pumping device 21 and to be discharged into a third area 13, introducing water at the bottom of the third area 13 into a fourth area 14 through a water inlet pipe 31, and installing, under the action of the purifying device 22, the sewage is purified step by step, the four areas 14 are sewage purifying areas, in order to prevent odor from diffusing, the four areas 14 adopt a closed structure, the sewage is purified in a closed space, in the purifying process, the oxygen content in the four areas 14 is reduced, so the continuous purifying process of the sewage is influenced, the arrangement of the return pipe 32 ensures that part of the sewage in the four areas 14 is guided into the five areas 15, the return device 23 arranged in the five areas 15 guides the sewage in the five areas 15 into the three areas 13 again, in the return process, the oxygen content can be supplemented into the sewage in the three areas 13, so the oxygen content of the sewage entering the four areas 14 again is increased, the purpose of quickly purifying the sewage is improved, and when the sewage in the four areas 14 is large, the purified sewage is discharged through the water outlet 24.

Through setting up reflux unit 23, with the partial sewage drainage to the sewage purification upper reaches once more of purifying process, reach the quick, the continuous purification purpose of supplementary oxygen, sewage with higher speed, reduce the energy consumption simultaneously, convenient operation is a three-dimensional integration sewage treatment device of micro-power ecology.

A first filter screen 111 is arranged in the first zone 11, and the first filter screen 111 is used for filtering particles in the sewage.

First filter screen 111 is the slope form and locates in an district 11, and first filter screen 111 is the metal mesh, filters the impurity of great granule in the sewage, prevents to block up each pipeline.

Pumping device 21 includes first water pump 211 and first water pipe 212, and first water pump 211 via in first water pipe 212 discharges into three district 13 with sewage in two districts 12, first water pipe 212 adopts the wire hose, has easy installation, quick detachable effect, easily detects the jam point to conveniently extrude the plug and be little graininess, dredge the pipeline.

Still including locating the filter frame 5 of three district 13, filter frame 5 is located the below of first water pipe 212 is used for filtering the sewage impurity that first water pipe 212 flowed out, and filter frame 5's setting further filters impurity, ensures the liquid fluid form of sewage, prevents the jam of pipeline.

The sewage treatment system is characterized by further comprising a flowmeter 6, wherein the flowmeter 6 is arranged on the first water pipe 212 and close to the water outlet end of the first water pipe 212, and the flowmeter 6 is convenient for counting the cubic number of sewage treatment and is used as an important parameter for equipment maintenance and overhaul.

Purifier 22 includes plant cultivation district 221, anoxic zone 222 and the aerobic zone 223 that top-down set gradually, the aerobic zone 223 is located to inlet tube 31, anoxic zone 222 is located to back flow pipe 32, and in aerobic zone 223, the dissolved oxygen in the sewage is 0.5 ~ 2.0mg/L, and in anoxic zone 222, the dissolved oxygen in the sewage is 0.2 ~ 0.5mg/L, dissolves different filth respectively, and the sewage after the plant cultivation district 221 is the purification can be planted emergent aquatic plants such as canna, calamus etc. further gets rid of the nutrient in the sewage on the one hand, and on the other hand plays beautifies the environment, the effect of deodorization.

The plant cultivation area 221 is sequentially provided with a ceramsite layer 2211, a phosphorus removal filler area 2212, a plastic mesh layer 2213 and a bearing part 2214 from top to bottom, the bearing part 2214 is fixedly connected to the side wall of the box body, the bearing part 2214 is made of 50 x 50 iron pipes, and the plastic mesh layer 2213 is used for preventing particles of the ceramsite layer 2211 and the phosphorus removal filler area 2212 from falling into the box body and affecting the normal operation of sewage treatment.

The reflux device 23 comprises a second water pump 231 and a second water pipe 232, the second water pump 231 discharges the sewage in the five regions 15 into the three regions 13 through the second water pipe 232, the second water pump 231 adopts a small sewage pump to bear the reflux of the sludge, and has the functions of drop aeration and mixing stirring, and the functions of the sewage pump are fully utilized.

The four-zone 14 further comprises a temporary storage area 141, the temporary storage area 141 is communicated with the water outlet 24, the temporary storage area 141 is used for storing water purified by the purifying device 22, and the temporary storage area 141 is provided with the functions of preventing more sewage after treatment, overflowing the box body and buffering.

The treatment equipment for rural domestic sewage is suitable for the current situation of rural sewage treatment in China, has the characteristics of small volume, simple operation and low energy consumption, and is suitable for popularization and application.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims (10)

1. The utility model provides a treatment facility for rural domestic sewage, includes the box, its characterized in that: the box body comprises a first area (11), a second area (12), a third area (13), a fourth area (14) and a fifth area (15), wherein the first area (11), the second area (12), the third area (13), the fourth area (14) and the fifth area (15) are separated by a plurality of partition plates to form independent areas;

the sewage treatment device is characterized by further comprising a water inlet (20), a water pumping device (21), a purifying device (22), a backflow device (23) and a water outlet (24), wherein outside sewage enters the first area (11) from the water inlet (20), the water pumping device (21) is arranged in the second area (12), the purifying device (22) is arranged in the fourth area (14), and the backflow device (23) is arranged in the fifth area (15);

the sewage treatment system further comprises a water inlet pipe (31) and a return pipe (32), wherein the water inlet pipe (31) is communicated with the three areas (13) and the four areas (14) and is used for introducing sewage in the three areas (13) into the four areas (14), and the return pipe (32) is communicated with the four areas (14) and the five areas (15) and is used for introducing water in the four areas (14) into the five areas (15);

a first partition plate (41) is arranged between the first area (11) and the second area (12), the first partition plate (41) is provided with a first through hole (411), external sewage enters the first area (11) and then flows into the second area (12) through the first through hole (411), the water pumping device (21) discharges the sewage in the second area (12) into the third area (13), the sewage entering the third area (13) is introduced into the fourth area (14) through the water inlet pipe (31), the sewage purified by the purifying device (22) is introduced into the fifth area (15) through the return pipe (32), then the sewage in the fifth area (15) is discharged into the third area (13) through the return device (23), and finally enters the fourth area (14) again to form circulation;

the water outlet (24) discharges the purified sewage in the four areas (14).

2. The treatment facility for rural domestic sewage according to claim 1, characterized in that: a first filter screen (111) is arranged in the first zone (11), and the first filter screen (111) is used for filtering particles in sewage.

3. The treatment facility for rural domestic sewage according to claim 2, characterized in that: the first filter screen (111) is obliquely arranged in one zone (11).

4. The treatment facility for rural domestic sewage according to claim 1, characterized in that: the water pumping device (21) comprises a first water pump (211) and a first water pipe (212), and the first water pump (211) discharges sewage in the second area (12) into the third area (13) through the first water pipe (212).

5. The treatment facility for rural domestic sewage according to claim 4, characterized in that: the filter frame (5) is arranged in three areas (13), and the filter frame (5) is located below the first water pipe (212) and used for filtering sewage impurities flowing out of the first water pipe (212).

6. The treatment facility for rural domestic sewage according to claim 4, characterized in that: the water flow meter is characterized by further comprising a flow meter (6), wherein the flow meter (6) is arranged on the first water pipe (212) and is close to the water outlet end of the first water pipe (212).

7. The treatment facility for rural domestic sewage according to claim 1, characterized in that: the purification device (22) comprises a plant cultivation area (221), an anoxic area (222) and an aerobic area (223) which are sequentially arranged from top to bottom, the water inlet pipe (31) is arranged in the aerobic area (223), and the return pipe (32) is arranged in the anoxic area (222).

8. The treatment facility for rural domestic sewage according to claim 7, characterized in that: the plant cultivation area (221) is sequentially provided with a ceramsite layer (2211), a dephosphorization filler area (2212), a plastic net layer (2213) and a bearing part (2214) from top to bottom, and the bearing part (2214) is fixedly connected to the side wall of the box body.

9. The treatment facility for rural domestic sewage according to claim 1, characterized in that: the backflow device (23) comprises a second water pump (231) and a second water pipe (232), and the second water pump (231) discharges the sewage in the five areas (15) into the three areas (13) through the second water pipe (232).

10. The treatment facility for rural domestic sewage according to claim 1, characterized in that: the four-area (14) further comprises a temporary storage area (141), the temporary storage area (141) is communicated with the water outlet (24), and the temporary storage area (141) is used for storing the water purified by the purifying device (22).

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