CN213231934U - Rural distributed sewage treatment recycling system in north - Google Patents
Rural distributed sewage treatment recycling system in north Download PDFInfo
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- CN213231934U CN213231934U CN202021939001.XU CN202021939001U CN213231934U CN 213231934 U CN213231934 U CN 213231934U CN 202021939001 U CN202021939001 U CN 202021939001U CN 213231934 U CN213231934 U CN 213231934U
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Abstract
The utility model aims at solving the problem that the prior rural domestic sewage treatment system can not effectively treat sewage in northern areas in winter, and provides a northern rural distributed sewage treatment recycling system which comprises a septic tank, a purification device, a recycling device and an artificial wetland, wherein the septic tank, the purification device, the recycling device and the artificial wetland are sequentially communicated through a pipeline, the recycling device comprises a recycling tank, a high-level water outlet device and a low-level water outlet device, the water inlet end of the recycling tank is connected with the purification device, the artificial wetland comprises a hydrophobic cushion layer, a soil layer and plants which are sequentially arranged from bottom to top, the high-level water outlet device and the low-level water outlet device are respectively communicated with the hydrophobic cushion layer of the artificial wetland, the high-level water outlet device is positioned above the low-level water outlet device, the part of the hydrophobic cushion layer communicated with the low-level water outlet device and the low-level water outlet device are both positioned below the frozen soil layer, the system can work normally in winter in the north.
Description
Technical Field
The utility model relates to a sewage treatment field, in particular to rural distributed sewage treatment recycling system in north.
Background
Domestic sewage of each household in rural areas cannot be treated in a centralized manner like urban sewage, and the domestic sewage is usually discharged into surrounding water bodies or directly discharged onto surrounding open lands without being treated, so that the pollution to the surrounding environment is caused, and even the pollution to underground water is influenced.
Aiming at the problems, an effective strategy at present is to arrange a distributed sewage treatment system in each household, for example, a Chinese patent with application publication number CN110668652A discloses a rural domestic sewage classification treatment system, which comprises a three-stage septic system, a filtration regulation system, an immersed biofilter and an undercurrent artificial wetland system, wherein the three-stage septic system is connected with a toilet to introduce black water, the black water is anaerobically fermented in the three-stage septic system and is transferred to a sewage pipe through a septic pipe to be merged with grey water in a kitchen through a connecting pipe, the sewage pipe transports mixed sewage to flow into a regulation tank through a grid well, the mixed sewage in the regulation tank is pumped into the immersed biofilter system through an undercurrent pump to be treated by activated sludge, the treated water flows into the artificial wetland system, and the water in the artificial wetland flows into a water collecting channel through an adjustable water outlet.
However, the rural domestic sewage treatment system is not suitable for being used in northern areas in winter, plants of the artificial wetland stop growing or die in the northern area, the soil layer of the artificial wetland is very easy to freeze, and the treated water cannot be timely discharged to the artificial wetland, so that the artificial wetland cannot timely and effectively treat the continuous domestic sewage.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a rural distributed sewage treatment recycling system in the north to the problem that current rural domestic sewage treatment system can't effective treatment sewage winter in the northern area.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a rural distributed sewage treatment recycling system in north, includes septic tank, purifier, retrieval and utilization device and constructed wetland, and septic tank, purifier, retrieval and utilization device and constructed wetland pass through the pipeline and communicate in proper order, the retrieval and utilization device includes retrieval and utilization pond, high-order water installation and low level water installation, and purifier is connected to the end of intaking in retrieval and utilization pond, constructed wetland includes from supreme hydrophobic bed course, soil horizon and the plant that sets gradually down, high-order water installation and low level water installation communicate with the hydrophobic bed course of constructed wetland respectively, and high-order water installation is located the top of low level water installation, and hydrophobic bed course and the part and the low level water installation that low level water installation communicate all are located below the soil frozen layer.
Furthermore, a high-level outlet, a low-level outlet and a recycling inlet are arranged on the recycling water tank, the high-level water outlet device comprises a high-level water pipe for communicating the high-level outlet with the artificial wetland and a high-level valve arranged on the high-level water pipe, the low-level water outlet device comprises a low-level water pipe for communicating the low-level outlet with the artificial wetland and a low-level valve arranged on the low-level water pipe, a recycling water pump is arranged in the recycling water tank, and a water outlet of the recycling water pump is communicated with the recycling outlet.
Further, the high-level valve and the low-level valve are both arranged inside the reuse water tank.
Furthermore, the hydrophobic cushion layer comprises a gravel layer, a quartz sand layer and a ceramic particle layer which are sequentially arranged from bottom to top.
Further, the outlet of the low-level water pipe is positioned in the quartz sand layer.
Furthermore, the outlet of the high-level water pipe is positioned in the ceramsite layer.
Further, purification device is purification groove as an organic whole setting, it sets gradually sedimentation oxygen deficiency pond, anaerobism pond, good oxygen aeration tank and disinfection pond to purify the inslot.
Furthermore, constructed wetland still includes the basket, hydrophobic bed course, soil horizon and plant all set up in the basket, be provided with the high-order water inlet of intercommunication high water level export and the low-order water inlet of intercommunication low water level export on the lateral wall of basket, be provided with the infiltration hole on the lateral wall and/or the diapire of basket.
Furthermore, a manhole is arranged at the top of the reuse water pool, and a manhole cover is arranged on the manhole.
The utility model discloses following beneficial effect has:
the distributed sewage treatment and recycling system in the rural areas in the north of the utility model utilizes the septic tank and the purifying tank to purify domestic sewage, utilizes the high-level water outlet device and the low-level water outlet device on the reuse tank to communicate with the hydrophobic cushion layer of the constructed wetland, wherein the low-level water pipe of the low-level water outlet device communicates with the hydrophobic cushion layer of the constructed wetland below the frozen soil layer, so that the high-level valve on the high-level water pipe and the low-level valve on the low-level water pipe can be simultaneously opened or only the high-level valve can be opened according to the water quantity required by the growth of plants in the season that the soil can not be frozen; the high-level valve can be closed in winter, the low-level valve is opened, the treated sewage flows into a low water level area below the frozen soil layer of the artificial wetland, and the treated water directly permeates into the surrounding soil or surrounding water bodies through the hydrophobic cushion layer, so that the normal work of the system in winter in the north is ensured. The reuse water pump may also deliver treated water to other areas for watering crops, flushing toilets or as water for sweeping, etc.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of a decentralized sewage treatment and recycling system in rural areas in the north;
fig. 2 is a schematic structural view of an embodiment of the recycling device.
Reference number specification, 100, septic tank;
200. a purification device; 201. a sedimentation anoxic tank; 202. an anaerobic tank; 203. an aerobic aeration tank; 204. a disinfection tank;
300. a recycling device; 310. a reuse water tank; 311. a recycling inlet; 312. a recycling outlet; 313. a high water level outlet; 314. a low water level outlet; 315. a manhole; 316. a manhole cover; 320. a recycling water pump; 330. a high-level valve; 340. a low-level valve; 350. a high-level water pipe; 360. a low level water pipe;
400. artificial wetland; 410. a plant; 420. a soil layer; 430. a hydrophobic cushion layer; 431. a ceramic layer; 432. a quartz sand layer; 433. a gravel layer; 440. a basket body; 441. a high level water inlet; 442. a low level water inlet; 443. a water seepage port;
A. the earth surface; b. And (5) a frozen soil layer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals.
A distributed sewage treatment and recycling system for rural areas in the north is shown in figure 1 and comprises a septic tank 100, a purification device 200, a recycling device 300 and an artificial wetland 400, wherein the septic tank 100, the purification device 200, the recycling device 300 and the artificial wetland 400 are buried under the ground surface A. The septic tank 100, the purification device 200, the recycling device 300 and the artificial wetland 400 are sequentially communicated through pipelines, domestic sewage flows through the septic tank 100, the purification device 200, the recycling device 300 and the artificial wetland 400 in sequence by virtue of gravity or overflow, one part of water flowing into the artificial wetland 400 is used for plant growth, and the other part of water directly permeates soil around the wetland or is discharged into water around the wetland. After passing through the septic tank 100 and the purification device 200, the water reaches the discharge standard, and the water in the recycling device 300 can enter the artificial wetland 400 or be applied to other water-demanding scenes, such as irrigating crops, flushing toilets or serving as water for sweeping, and the like, besides going to the artificial wetland 400.
Referring to fig. 1 and 2, the recycling device 300 includes a recycling basin 310, a recycling water pump 320, a high-level water outlet device, and a low-level water outlet device. The reuse water tank 310 is provided with a reuse inlet 311, a high water level outlet 313, a low water level outlet 314 and a reuse outlet 312, wherein the reuse inlet 311 is communicated with the water outlet of the purification device 200. The reuse water pump 320 is arranged in the reuse water tank 310, the reuse outlet 312 is communicated with the water outlet of the reuse water pump 320, and the reuse water pump 320 conveys the water in the reuse water tank 310 to the region except the artificial wetland 400. The artificial wetland 400 comprises a hydrophobic cushion layer 430 and a soil layer 420 which are sequentially arranged from bottom to top, plants 410 are planted on the soil layer 420, and preferably, the hydrophobic cushion layer 430 comprises a gravel layer 433, a quartz sand layer 432 and a ceramsite layer 431 which are sequentially arranged from bottom to top, so that a good hydrophobic effect can be achieved, and a filtering effect can be achieved on water. The high-level water outlet device comprises a high-level water pipe 350 for communicating the high-level water outlet 313 and the ceramsite layer 431, and a high-level valve 330 arranged on the high-level water pipe 350. The low-level water outlet device comprises a low-level water pipe 360 communicated with the low-level water outlet 314 and the quartz sand layer 432, and a low-level valve 340 arranged on the low-level water pipe 360. The low-level water pipe 360, the part of the quartz sand layer 432 connected with the low-level water pipe 360 and the gravel layer 434 are positioned below the local frozen soil layer B, so that in the season that soil cannot be frozen, two high-level and low-level valves can be simultaneously opened or only the high-level valve 330 is opened to simultaneously supply water to the high level and the low level of the hydrophobic cushion layer 430 according to the water quantity required by plant growth; in winter, the high-level valve 330 can be closed and the low-level valve 340 can be opened, so that the treated sewage flows into the low-level area where the artificial wetland 400 cannot be frozen, and the treated water directly permeates into the surrounding soil or rapidly drains the surrounding water through the hydrophobic cushion 430, thereby ensuring that the system can normally work in winter.
A manhole 315 is arranged at the top of the reuse pool 310, a manhole cover 316 is arranged on the manhole 315, and the manhole 315 and the manhole cover 316 are located above the ground surface A, so that people can conveniently enter for overhauling and maintaining. Preferably, the water inlet end of the high water pipe 350 extends into the reuse water tank 310 through the high water level outlet 313, the outer wall of the high water pipe 350 is hermetically connected with the high water level outlet 313, the water inlet end of the low water pipe 360 extends into the reuse water tank 310 through the low water level outlet 314, the outer wall of the low water pipe 360 is hermetically connected with the low water level outlet 314, the high valve 330 and the low valve 340 are arranged inside the reuse water tank 310, and thus the valve can be operated only by opening the manhole cover 316. When adjusting the valve, the user uses a special tool to extend into the manhole 315 for adjustment, and the user can adjust the valve conveniently. As shown in fig. 2, the ends of the high level water pipe 350 and the low level water pipe 360 inside the reuse water tank 310 may be communicated with one water pipe, through which water in the reuse water tank 310 flows into the high level water pipe 350 and the low level water pipe 360.
Preferably, the constructed wetland 400 comprises a housing 440, and the hydrophobic pad layer 430, the soil layer 420 and the plants 410 are all disposed in the housing 440. The side wall of the basket body 440 is provided with a high-level water inlet 441 and a low-level water inlet 442, the high-level water inlet 441 is communicated with a high-level outlet 313 of the reuse water tank 310, the low-level water inlet 442 is communicated with a low-level outlet 314 of the reuse water tank 310, and the side wall and/or the bottom wall of the basket body 440 is/are provided with water seepage holes, so that the structure is convenient for integral transportation and installation. Preferably, the ceramsite layer 431 and the quartz sand layer 432 are respectively provided with a water distribution pipe, the water distribution pipes are uniformly provided with a plurality of water outlets, the water distribution pipe in the ceramsite layer 431 is communicated with the high-level water inlet 441, and the water distribution pipe in the quartz sand layer 432 is communicated with the low-level water inlet 442, so that the artificial wetland can be uniformly distributed.
Preferably, the purification apparatus 200 is a purification tank integrally formed, and the sedimentation anoxic tank 201, the anaerobic tank 202, the aerobic aeration tank 203 and the disinfection tank 204 are sequentially arranged in the purification tank, so that the purification tank can meet the treatment requirement of general domestic sewage and is convenient to transport and install.
The specific embodiments are merely illustrative of the present invention, and are not intended to limit the present invention.
Claims (9)
1. The utility model provides a rural distributed sewage treatment recycling system in north which characterized in that: comprises a septic tank (100), a purification device (200), a recycling device (300) and an artificial wetland (400), wherein the septic tank (100), the purification device (200), the recycling device (300) and the artificial wetland (400) are communicated in sequence through pipelines, the recycling device (300) comprises a recycling water tank (310), a high-level water outlet device and a low-level water outlet device, the water inlet end of the recycling water tank (310) is connected with the purifying device (200), the artificial wetland (400) comprises a hydrophobic cushion layer (430), a soil layer (420) and plants (410) which are arranged from bottom to top in sequence, the high-level water outlet device and the low-level water outlet device are respectively communicated with a hydrophobic cushion layer (430) of the artificial wetland, the high-level water outlet device is positioned above the low-level water outlet device, and the part of the hydrophobic cushion layer (430) communicated with the low-level water outlet device and the low-level water outlet device are both positioned below a frozen soil layer of the land.
2. The rural distributed sewage treatment recycling system in north of claim 1, characterized in that: be equipped with high water level export (313), low water level export (314) and retrieval and utilization import (311) on retrieval and utilization pond (310), high-order water installation is including high water level pipe (350) and the high-order valve (330) of setting on high water level pipe (350) of intercommunication high water level export (313) and constructed wetland (400), low level water installation is including low water level pipe (360) and the low level valve (340) of setting on low water level pipe (360) of intercommunication low water level export (314) and constructed wetland (400) set up retrieval and utilization water pump (320) in retrieval and utilization pond (310), the delivery port and retrieval and utilization export (312) intercommunication of retrieval and utilization water pump (320).
3. The rural distributed sewage treatment recycling system in north of claim 1 or 2, characterized in that: the high-level valve (330) and the low-level valve (340) are both arranged inside the reuse water tank (310).
4. The rural distributed sewage treatment recycling system in north of claim 1, characterized in that: the hydrophobic cushion layer (430) comprises a gravel layer (433), a quartz sand layer (432) and a ceramsite layer (431) which are sequentially arranged from bottom to top.
5. The rural distributed sewage treatment recycling system in north of claim 4, characterized in that: the outlet of the low-level water pipe (360) is positioned in the quartz sand layer (432).
6. The rural distributed sewage treatment recycling system in north of claim 4, characterized in that: the outlet of the high-level water pipe (350) is positioned in the ceramic particle layer (431).
7. The rural distributed sewage treatment recycling system in north of claim 1, characterized in that: purification device (200) purification groove that sets up as an organic whole, set gradually sediment oxygen deficiency pond (201), anaerobism pond (202), good oxygen aeration tank (203) and disinfection pond (204) in the purification groove.
8. The rural distributed sewage treatment recycling system in north of claim 1, characterized in that: the artificial wetland (400) further comprises a basket body (440), the hydrophobic cushion layer (430), the soil layer (420) and the plants (410) are all arranged in the basket body (440), a high-level water inlet (441) communicated with the high-level outlet (313) and a low-level water inlet (442) communicated with the low-level outlet (314) are arranged on the side wall of the basket body (440), and water seepage holes are formed in the side wall and/or the bottom wall of the basket body (440).
9. The rural distributed sewage treatment recycling system in north of claim 1, characterized in that: a manhole (315) is arranged at the top of the reuse pool (310), and a manhole cover (316) is arranged on the manhole (315).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021939001.XU CN213231934U (en) | 2020-09-08 | 2020-09-08 | Rural distributed sewage treatment recycling system in north |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021939001.XU CN213231934U (en) | 2020-09-08 | 2020-09-08 | Rural distributed sewage treatment recycling system in north |
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| CN213231934U true CN213231934U (en) | 2021-05-18 |
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| CN202021939001.XU Active CN213231934U (en) | 2020-09-08 | 2020-09-08 | Rural distributed sewage treatment recycling system in north |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114455713A (en) * | 2022-02-16 | 2022-05-10 | 山西农业大学 | Domestic sewage purification artificial wetland system for distributed villages |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114455713A (en) * | 2022-02-16 | 2022-05-10 | 山西农业大学 | Domestic sewage purification artificial wetland system for distributed villages |
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