Sewage purification system

Abstract

The utility model provides a sewage purification system and relates to the technical field of sewage treatment. The device comprises an outer container and an inner container which are vertically arranged, a water inlet assembly and a water outlet assembly are arranged in the outer container, a water conveying assembly and a stirring assembly are arranged in the outer container and the inner container, the water conveying assembly comprises a first lifting pipe and a first water outlet pipe, the top ends of the first lifting pipe and the first water outlet pipe are communicated, and a first air inlet pipe communicated with an external air source is arranged in the first lifting pipe. The water conveying assembly further comprises a second lifting pipe and a second water outlet pipe, the top ends of the second lifting pipe and the second water outlet pipe are communicated with each other, a second air inlet pipe communicated with an external air source is arranged in the second lifting pipe, and the second lifting pipe and the second water outlet pipe are communicated with the inner container and the water outlet assembly respectively. The occupied area of the pool body or the container can be reduced, and the number of arranged pumps is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a sewage purification system. Background Art

[0002] Rural sewage mainly comes from the daily life and agricultural production activities of rural residents, mainly including domestic sewage, toilet sewage, kitchen sewage, breeding sewage and agricultural production sewage, etc. At present, a small number of villages have the conditions to build centralized sewage treatment facilities, and the sewage in the villages is centrally treated. However, due to economic, geographical and other reasons, most villages are unable to build centralized sewage treatment facilities, and each household of villagers can only build simple sewage treatment facilities by themselves.

[0003] In the prior art, since sewage needs to be treated in multiple steps, the sewage treatment facilities built by single households need to include multiple tank bodies such as septic tanks, sump wells, pretreatment tanks, main reaction tanks and filter tanks. These tank bodies are generally arranged linearly, occupying a large area, and the sewage is transported between the tank bodies by pump machines. Multiple pump machines need to be set up, and the use and construction costs are relatively high. Summary of the Utility Model

[0004] The purpose of the utility model is to develop a sewage purification system that can reduce the floor area of tank bodies or containers and reduce the number of pump machines set up.

[0005] The utility model is realized by the following technical solutions:

[0006] A sewage purification system, comprising:

[0007] An outer container and an inner container arranged vertically;

[0008] An inlet assembly and an outlet assembly, arranged in the outer container;

[0009] A water conveyance assembly and a stirring assembly, arranged in the outer container and the inner container;

[0010] Wherein, the water conveyance assembly includes a first lifting pipe and a first water outlet pipe with their tops communicating with each other. A first air inlet pipe communicating with the external air source is arranged in the first lifting pipe. The first lifting pipe and the first water outlet pipe are respectively communicated with the outer container and the inner container;

[0011] The water conveyance assembly further includes a second lifting pipe and a second water outlet pipe with their tops communicating with each other. A second air inlet pipe communicating with the external air source is arranged in the second lifting pipe. The second lifting pipe and the second water outlet pipe are respectively communicated with the inner container and the outlet assembly.

[0012] Optionally, the inlet assembly includes an inlet tank, a water inlet pipe is communicated with the inlet tank, and a plurality of tank holes are arranged on the inlet tank.

[0013] Optionally, a hook for connecting with the inner wall of the outer container or the outer wall of the inner container is provided at the top edge of the water inlet tank.

[0014] Optionally, the water outlet assembly includes a water outlet tank, a water outlet pipe and an overflow pipe are communicated with the water outlet tank, and the overflow pipe is above the water outlet pipe.

[0015] Optionally, a filter tank is arranged in the water outlet tank, and the filter tank is in the upper part of the water outlet tank.

[0016] Optionally, a hook for connecting with the inner wall of the outer container or the outer wall of the inner container is provided at the top edge of the water outlet tank.

[0017] Optionally, the stirring assembly includes a stirring air pipe arranged at the bottom of the outer container, the stirring air pipe is arranged in an annular track, the inner container is inside the stirring air pipe, and a plurality of air holes are arranged on the stirring air pipe.

[0018] Optionally, the stirring assembly further includes a third air delivery pipe and an air aeration pipe arranged at the bottom of the inner container, the outer end of the third air delivery pipe is communicated with an external air source, the inner end of the third air delivery pipe is respectively communicated with the stirring air pipe and the air aeration pipe through pipelines, and a third regulating valve is further arranged on the pipeline where the third air delivery pipe is communicated with the air aeration pipe.

[0019] Optionally, a first liquid inlet pipe is arranged at the side of the bottom end of the first lifting pipe, the bottom end of the first liquid inlet pipe and the bottom end of the first lifting pipe are communicated through a U-shaped pipe, the top end of the first liquid inlet pipe is closed, a first liquid inlet elbow pipe is communicated with the first liquid inlet pipe, the outlet end of the first liquid inlet elbow pipe is communicated with the first liquid inlet pipe, the inlet end of the first liquid inlet elbow pipe faces downward and is communicated with the outer container and is lower than the outlet end, the top end of the first air inlet pipe extends out of the first lifting pipe and is communicated with a first air delivery pipe, the first air delivery pipe is communicated with an external air source, and a first regulating valve is arranged on the first air delivery pipe.

[0020] Optionally, a second liquid inlet pipe is arranged at the side of the second lifting pipe, the second liquid inlet pipe is in the inner container, the top end of the second liquid inlet pipe is of an open structure and is at the top end of the inner container, a second liquid inlet elbow pipe is communicated with the middle of the second liquid inlet pipe, the second liquid inlet elbow pipe is a U-shaped pipe with the pipe orifice facing downward, the top end of the second air inlet pipe extends out of the second lifting pipe and is communicated with a second air delivery pipe, the second air delivery pipe is communicated with an external air source, and a second regulating valve is arranged on the second air delivery pipe.

[0021] The beneficial effects of the present utility model are:

[0022] The utility model enables the sewage treatment tank or container to be vertically and circularly arranged. Compared with the linear arrangement of the traditional tank, the floor area of the tank or container is greatly reduced, the use and construction costs are reduced, and the sewage is transported by means of air lift, so that the same gas source can be used for sewage transportation, sewage stirring and aeration, and the number of pump settings is greatly reduced. Description of the Drawings

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0024] Figure 1 It is a schematic structural diagram of the utility model;

[0025] Figure 2 It is a schematic structural diagram of the utility model from another perspective.

[0026] Reference numerals: 100, water inlet assembly; 101, water inlet tank; 102, water inlet pipe; 200, water outlet assembly; 201, water outlet tank; 202, overflow pipe; 203, water outlet pipe; 204, filter tank; 300, water conveyance assembly; 301, first lift pipe; 302, first water outlet pipe; 303, first liquid inlet pipe; 304, first liquid inlet elbow; 305, first gas conveyance pipe; 306, first regulating valve; 307, second lift pipe; 308, second water outlet pipe; 309, second liquid inlet pipe; 310, second liquid inlet elbow; 311, second gas conveyance pipe; 312, second regulating valve; 400, stirring assembly; 401, stirring gas pipe; 402, aeration pipe; 403, third gas conveyance pipe; 404, third regulating valve. Detailed Embodiments

[0027] In the following text, only some exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present invention. Therefore, the drawings and the description are considered to be exemplary in nature rather than restrictive.

[0028] In the present invention, unless otherwise clearly specified or limited, the first feature being "above" or "below" the second feature may include direct contact between the first and second features, or may include contact between the first and second features through additional features therebetween rather than direct contact. Moreover, the first feature being "above", "over" and "on top of" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the horizontal height of the first feature is higher than that of the second feature. The first feature being "below", "beneath" and "underneath" the second feature includes the first feature being directly below and obliquely below the second feature, or merely indicating that the horizontal height of the first feature is less than that of the second feature.

[0029] The embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

[0030] As Figure 1 and Figure 2 shown, the present utility model discloses a sewage purification system, which includes an inlet assembly 100, a water conveyance assembly 300, a stirring assembly 400 and an outlet assembly 200. The inlet assembly 100 and the outlet assembly 200 are arranged in an outer container. Sewage enters the outer container from the inlet assembly 100. The water conveyance assembly 300 conveys the sewage from the outer container into the inner container and conveys the sewage from the inner container to the outlet assembly 200. The outlet assembly 200 discharges the treated water, and the stirring assembly 400 is arranged in the outer container and the inner container.

[0031] The inner container is located inside the outer container. They can be pool bodies dug out on the ground or containers made of materials with certain strength and corrosion resistance. Both the inner container and the outer container are arranged vertically, so that their floor areas are significantly reduced compared with traditional pool bodies.

[0032] The inlet assembly 100 includes an inlet trough 101. A water inlet pipe 102 is communicated with the inlet trough 101. The inlet trough 101 is covered with a plurality of trough holes and has a grid structure. Hooks are provided at the top edge of the inlet trough 101, and the inlet trough 101 can be fixed on the inner wall of the outer container or the outer wall of the inner container through the hooks.

[0033] The outlet assembly 200 includes an outlet trough 201. A water outlet pipe 203 and an overflow pipe 202 are communicated with the outlet trough 201. The overflow pipe 202 is above the water outlet pipe 203. A filter trough 204 is arranged in the outlet trough 201. The filter trough 204 is located in the upper part of the outlet trough 201. The treated water output from the inner container first passes through the filter trough 204 and then flows into the outlet trough 201. A filter screen or other filtering structure is arranged in the filter trough 204 to intercept impurities in the water. Hooks are provided at the top edge of the outlet trough 201, and the outlet trough 201 can be fixed on the inner wall of the outer container or the outer wall of the inner container through the hooks.

[0034] The water delivery assembly 300 includes a vertically arranged first lifting pipe 301 and a first water outlet pipe 302. The top of the first lifting pipe 301 is communicated with the top of the first water outlet pipe 302. The bottom of the first water outlet pipe 302 is located in the lower part of the inner container. A first liquid inlet pipe 303 is vertically arranged on the side of the bottom of the first lifting pipe 301. The bottom of the first liquid inlet pipe 303 is communicated with the bottom of the first lifting pipe 301 through a U-shaped pipe. The top of the first liquid inlet pipe 303 is closed. A first liquid inlet elbow 304 is communicated with the first liquid inlet pipe 303. The first liquid inlet elbow 304 is located in the lower part of the outer container near the bottom surface of the inner container. The outlet end of the first liquid inlet elbow 304 is communicated with the first liquid inlet pipe 303. The inlet end of the first liquid inlet elbow 304 faces downward and is lower than the outlet end, so as to avoid or reduce the entry of solid dirt into the first liquid inlet pipe 303 through the first liquid inlet elbow 304.

[0035] A first air inlet pipe is coaxially arranged in the first lifting pipe 301. The bottom of the first air inlet pipe is located near the bottom of the first lifting pipe 301. The top of the first air inlet pipe extends outside the first lifting pipe 301. The top of the first air inlet pipe is communicated with a first air delivery pipe 305. The first air delivery pipe 305 is communicated with an external air source. A first regulating valve 306 is arranged on the first air delivery pipe 305.

[0036] The water delivery assembly 300 further includes a vertically arranged second lifting pipe 307 and a second water outlet pipe 308. The tops of the second lifting pipe 307 and the second water outlet pipe 308 are communicated. The bottom of the second water outlet pipe 308 is located in the upper part of the filter tank 204. The water output from the second water outlet pipe 308 flows into the filter tank 204. A second liquid inlet pipe 309 is vertically arranged on the side of the second lifting pipe 307. The second liquid inlet pipe 309 is located in the inner container. The top of the second liquid inlet pipe 309 is located at the top of the inner container. The top of the second liquid inlet pipe 309 is an open structure. A second liquid inlet elbow 310 is communicated with the middle of the second liquid inlet pipe 309. The second liquid inlet elbow 310 is also located in the middle of the inner container. The second liquid inlet elbow 310 is a U-shaped pipe with its pipe orifice facing downward, so as to avoid sucking sludge. A second air inlet pipe is coaxially arranged in the second lifting pipe 307. The bottom of the second air inlet pipe is located near the bottom of the second lifting pipe 307. The top of the second air inlet pipe extends outside the second lifting pipe 307. The top of the second air inlet pipe is communicated with a second air delivery pipe 311. The second air delivery pipe 311 is communicated with an external air source. A second regulating valve 312 is arranged on the second air delivery pipe 311.

[0037] The stirring assembly 400 includes a stirring air pipe 401 arranged at the bottom of the outer container. The stirring air pipe 401 is arranged in a rectangular track. The inner container is located inside the stirring air pipe 401. A plurality of air holes are arranged on the stirring air pipe 401 so that air flow is output from the stirring air pipe 401.

[0038] The stirring assembly 400 further includes an aeration pipe 402 arranged at the bottom of the inner container. The aeration pipe 402 has a breathable structure so that air flow is output from the aeration pipe 402.

[0039] The stirring assembly 400 further includes a third gas pipeline 403. The outer end of the third gas pipeline 403 is communicated with an external gas source, and the inner end of the third gas pipeline 403 is respectively communicated with the stirring gas pipeline 401 and the aeration pipeline 402 through pipelines. A third regulating valve 404 is further provided on the pipeline where the third gas pipeline 403 is communicated with the aeration pipeline 402.

[0040] Sewage enters the outer container through the water inlet assembly 100. After pretreatment in the outer container, the sewage is sent from the outer container to the inner container through the water delivery assembly 300. After the main reaction in the inner container, the sewage is then sent from the inner container to the water outlet assembly 200 through the water delivery assembly 300 for filtration and then output. The gas used by the stirring assembly 400 and the water delivery assembly 300 comes from the same gas source, and there is no need to set multiple pump machines. The working principle of the water delivery assembly 300: Sewage enters the lifting pipe through the liquid inlet pipe, and gas enters the lifting pipe through the gas inlet pipe. An air-entrained mixed liquid with a specific gravity smaller than that of the sewage outside the pipe is formed in the lifting pipe. The air-entrained mixed liquid continuously rises and is finally output through the water outlet pipe 203 to realize the conveyance of sewage.

[0041] The utility model enables the sewage treatment tank or container to be vertically and circularly arranged. Compared with the linear arrangement of the traditional tank, the floor area of the tank or container is greatly reduced, and the use and construction costs are reduced. Moreover, the sewage is conveyed by means of air lift, so that the same gas source can be used for both sewage conveyance and sewage stirring and aeration, and the number of pump machines is greatly reduced.

[0042] The above embodiments are only the preferred embodiments of the utility model, and do not limit the technical solutions of the utility model. As long as the technical solutions that can be achieved on the basis of the above embodiments without creative labor shall be regarded as falling within the scope of the patent rights of the utility model.

Claims

1. A sewage purification system, characterized in that, include: Outer packaging and inner packaging arranged vertically; The water inlet assembly and the water outlet assembly are arranged in the outer container; The water delivery component and the stirring component are arranged in the outer container and the inner container; The water delivery assembly includes a first riser and a first water outlet pipe which are interconnected at the top, a first air inlet pipe which is connected to an external air source is arranged inside the first riser, and the first riser and the first water outlet pipe are connected to the outer container and the inner container respectively; The water delivery assembly also includes a second riser and a second water outlet pipe which are interconnected at the top ends. A second air inlet pipe which is connected to an external air source is arranged inside the second riser. The second riser and the second water outlet pipe are respectively connected to the inner container and the water outlet assembly.

2. The sewage purification system according to claim 1, characterized in that The water inlet assembly comprises a water inlet trough, the water inlet trough is connected with a water inlet pipe, and the water inlet trough is covered with a plurality of slot holes.

3. The sewage purification system according to claim 2, wherein A hook connected to the inner wall of the outer container or the outer wall of the inner container is provided on the top edge of the water inlet groove.

4. The sewage purification system according to claim 1, characterized in that The water outlet assembly comprises a water outlet trough, the water outlet trough is connected with a water outlet pipe and an overflow pipe, and the overflow pipe is located above the water outlet pipe.

5. The sewage purification system according to claim 4, wherein, A filter tank is arranged in the water outlet tank, and the filter tank is located at the upper part of the water outlet tank.

6. The sewage purification system according to claim 4, characterized in that, A hook connected to the inner wall of the outer container or the outer wall of the inner container is provided on the top edge of the water outlet trough.

7. The sewage purification system according to claim 1, characterized in that, The stirring assembly comprises a stirring air pipe arranged at the bottom of the outer container, the stirring air pipe is arranged in a circular track, the inner container is located inside the stirring air pipe, and the stirring air pipe is provided with a plurality of air holes.

8. The sewage purification system according to claim 7, wherein The stirring assembly also includes a third air pipe and an aeration pipe arranged at the bottom of the inner container. The outer end of the third air pipe is connected to the external air source, and the inner end of the third air pipe is connected to the stirring air pipe and the aeration pipe through pipelines respectively. A third regulating valve is also provided on the pipeline connecting the third air pipe and the aeration pipe.

9. The sewage purification system according to any one of claims 1 to 8, characterized in that, A first liquid inlet pipe is provided on the side of the bottom end of the first lifting pipe, and the bottom end of the first liquid inlet pipe is connected to the bottom end of the first lifting pipe through a U-shaped pipe. The top end of the first liquid inlet pipe is closed, and the first liquid inlet pipe is connected to a first liquid inlet elbow pipe. The outlet end of the first liquid inlet elbow pipe is connected to the first liquid inlet pipe, and the inlet end of the first liquid inlet elbow pipe is downwardly connected to the outer container and is lower than the outlet end. The top end of the first air inlet pipe extends out of the first lifting pipe and is connected to a first air supply pipe. The first air supply pipe is connected to an external air source, and a first regulating valve is provided on the first air supply pipe.

10. The sewage purification system according to any one of claims 1 to 8, characterized in that, A second liquid inlet pipe is provided on the side of the second lifting pipe, the second liquid inlet pipe is in the inner container, the top end of the second liquid inlet pipe is an open structure and is at the top end of the inner container, the middle part of the second liquid inlet pipe is connected with a second liquid inlet elbow pipe, the second liquid inlet elbow pipe is a U-shaped pipe with the pipe mouth facing downward, the top end of the second air inlet pipe extends out of the second lifting pipe and is connected with a second air supply pipe, the second air supply pipe is connected with an external air source, and a second regulating valve is provided on the second air supply pipe.

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