CN212833326U - Construction site sewage treatment system - Google Patents
Construction site sewage treatment system Download PDFInfo
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- CN212833326U CN212833326U CN202021405031.2U CN202021405031U CN212833326U CN 212833326 U CN212833326 U CN 212833326U CN 202021405031 U CN202021405031 U CN 202021405031U CN 212833326 U CN212833326 U CN 212833326U
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Abstract
The utility model relates to a water treatment technical field discloses a job site sewage treatment system, including preliminary sedimentation tank, storage water tank, domestic sewage pond, sedimentation fermentation pond, aeration sedimentation tank and excrement and urine collecting pit. The primary sedimentation tank is used for collecting accumulated water of the ground and the foundation pit of the construction site; a liquid inlet of the water storage tank is communicated with a liquid outlet of the primary sedimentation tank, and a liquid outlet of the water storage tank is communicated with a drainage pipeline for draining water; the domestic sewage tank is used for collecting domestic sewage; a liquid inlet of the sedimentation fermentation tank is communicated with a liquid outlet of the domestic sewage tank, an opening at the top of the sedimentation fermentation tank is sealed, and an exhaust port is formed in the sedimentation fermentation tank; the liquid inlet of the aeration sedimentation tank is communicated with the liquid outlet of the sedimentation fermentation tank, and the overflow port of the aeration sedimentation tank is communicated with the liquid inlet of the water storage tank; the liquid outlet of the excrement collecting tank is communicated with the liquid inlet of the sedimentation fermentation tank. The utility model discloses various sewage that can the rational utilization job site produced come the service production construction, reduce environmental pollution.
Description
Technical Field
The utility model relates to a water treatment technical field especially relates to a job site sewage treatment system.
Background
In civil engineering, when a building is built, a foundation pit and a foundation trench are usually required to be opened to build the foundation of the building. Precipitation or domestic sewage deposited in the foundation pit is usually discharged into a low pipeline as wastewater in the construction process, so that a large amount of water resource is wasted.
Moreover, a set of relatively complete and comprehensive wastewater recycling treatment system is usually lacked in the construction site at present, so that wastewater generated by leakage on a conveying pipeline and a construction site of the construction site cannot be effectively collected and recycled; furthermore, various kinds of sewage generated in the construction site are discharged to the outside without being treated, which not only causes waste of water resources, but also causes pollution to the external environment.
Therefore, it is highly desirable to provide a construction site sewage treatment system which can reasonably utilize various sewages generated in the construction site to serve production and construction and reduce environmental pollution.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a job site sewage treatment system, various sewage that can the rational utilization job site produced come the service production construction to reduce environmental pollution.
To achieve the purpose, the utility model adopts the following technical proposal:
a job site wastewater treatment system comprising:
the primary sedimentation tank is used for collecting accumulated water of the ground and the foundation pit of the construction site;
a water storage tank, wherein a liquid inlet of the water storage tank is communicated with a liquid outlet of the primary sedimentation tank, and a liquid outlet of the water storage tank is communicated with a drainage pipeline for drainage;
the domestic sewage tank is used for collecting domestic sewage;
a liquid inlet of the sedimentation fermentation tank is communicated with a liquid outlet of the domestic sewage tank, an opening at the top of the sedimentation fermentation tank is sealed, and an exhaust port for exhausting is formed in the sedimentation fermentation tank;
the liquid inlet of the aeration sedimentation tank is communicated with the liquid outlet of the sedimentation fermentation tank, and the overflow port of the aeration sedimentation tank is communicated with the liquid inlet of the water storage tank;
and the liquid outlet of the excrement collecting tank is communicated with the liquid inlet of the sedimentation fermentation tank.
Optionally, the construction site sewage treatment system further comprises:
and the slag removing device is arranged at the liquid inlet of the primary sedimentation tank.
Optionally, the scarfing cinder device is the shale shaker, the undersize underflow mouth of shale shaker with the inlet intercommunication of preliminary sedimentation tank, the oversize discharge mouth department of shale shaker is provided with the dustbin.
Optionally, the construction site sewage treatment system further comprises:
the sedimentation fermentation cover plate is covered above the top opening of the sedimentation fermentation tank so as to seal the top opening of the sedimentation fermentation tank;
and the biogas treatment device is communicated with the exhaust port of the sedimentation fermentation tank through an exhaust pipeline.
Optionally, the construction site sewage treatment system further comprises:
and the sedimentation baffle is arranged at the upper position in the sedimentation fermentation tank.
Optionally, a drain outlet is formed in the bottom of the aeration sedimentation tank, and a switch valve is arranged on the drain outlet.
Optionally, the construction site sewage treatment system further comprises:
and the aeration flow baffle is arranged at the upper position in the aeration sedimentation tank.
Optionally, the construction site sewage treatment system further comprises:
and the slag scraping device is arranged on the aeration sedimentation tank and comprises a slag scraping plate, and the slag scraping plate is used for hanging up slag at the bottom of the aeration sedimentation tank.
Optionally, a filter device is detachably connected in series at the liquid outlet of the water storage tank.
Optionally, the filter device is a tube filter.
The utility model has the advantages that:
the utility model discloses a job site sewage treatment system collects the ponding of job site ground and foundation ditch through preliminary sedimentation tank to store in the water storage tank, the liquid outlet intercommunication of water storage tank has the drain line who is used for the drainage, realizes recycling the ponding of job site ground and foundation ditch; moreover, the domestic sewage tank on the construction site is used for collecting domestic sewage, and the domestic sewage in the domestic sewage tank is discharged into the precipitation fermentation tank; the excrement collecting pool is used for collecting excrement, and supernatant in the excrement collecting pool is discharged into the precipitation fermentation pool through a liquid outlet of the excrement collecting pool, so that precipitation and fermentation treatment of domestic sewage and the supernatant discharged from the excrement collecting pool are realized through the precipitation fermentation pool; then, the liquid in the sedimentation fermentation tank flows into the aeration sedimentation tank through an overflow port of the sedimentation fermentation tank, and is subjected to aeration purification treatment, so that cleaner liquid is obtained. Finally, the liquid in the aeration sedimentation tank overflows to the water storage tank for unified storage, so that the recycling of the wastewater in the domestic sewage and the excrement collecting tank is realized, the water resource of a construction site is effectively saved, the concentrated collection of wastes such as solid particles is realized through the domestic sewage tank, the excrement collecting tank, the sedimentation fermentation tank, the aeration sedimentation tank and the primary sedimentation tank, and the problem of environmental pollution caused by directly discharging the sewage of various construction sites to the external environment is solved. The utility model discloses various sewage that can the rational utilization job site produced come the service production construction, reduce environmental pollution.
Drawings
FIG. 1 is a schematic structural view of a construction site sewage treatment system provided by the present invention;
FIG. 2 is a schematic top view of a sedimentation fermentation tank provided by the present invention;
fig. 3 is a schematic side sectional view of the aeration and sedimentation tank provided by the utility model.
In the figure:
1-primary sedimentation tank; 2-a water storage tank; 3-a domestic sewage tank; 4-a sedimentation fermentation tank; 5-aerating and settling tank; 51-a sewage draining outlet; 6-a feces collecting tank; 7-a slag removal device; 8-a biogas treatment device; 9-a precipitation baffle; 10-aeration flow baffle; 11-a slag scraping device; 12-a filtration device; 13-a water spraying device; 14-sealing.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
As shown in fig. 1 to 3, the present embodiment proposes a construction site sewage treatment system, which is mainly used for centralized treatment of various kinds of sewage at a construction site, realizes secondary utilization of water resources, and can effectively reduce the problem of environmental pollution caused by direct discharge of sewage into the external environment. Wherein, the construction site sewage treatment system mainly comprises a preliminary sedimentation tank 1, a water storage tank 2, a domestic sewage tank 3, a sedimentation fermentation tank 4, an aeration sedimentation tank 5 and a feces collection tank 6. The primary sedimentation tank 1 is used for collecting accumulated water of the ground and a foundation pit of a construction site; a liquid inlet of the water storage tank 2 is communicated with a liquid outlet of the primary sedimentation tank 1, and a liquid outlet of the water storage tank 2 is communicated with a drainage pipeline (not shown in the drawing) for drainage; the domestic sewage tank 3 is used for collecting domestic sewage; the inlet of sedimentation fermentation tank 4 communicates with the liquid outlet of domestic sewage pond 3, and the sealed setting of open-top of sedimentation fermentation tank 4, has offered on the sedimentation fermentation tank 4 and has been used for carminative gas vent, as shown in fig. 2, the top position sets up in sedimentation baffle 9 in the pond of sedimentation fermentation tank 4, and sedimentation baffle 9 can block the solid pollutant that floats in the liquid in the sedimentation fermentation tank 4, and then promotes it to subside in sedimentation fermentation tank 4. The liquid inlet of the aeration sedimentation tank 5 is communicated with the liquid outlet of the sedimentation fermentation tank 4, and the overflow port of the aeration sedimentation tank 5 is communicated with the liquid inlet of the water storage tank 2; meanwhile, as shown in fig. 3, an aeration flow baffle plate 10 is disposed at an upper position in the aeration sedimentation tank 5, the aeration flow baffle plate 10 can block solid pollutants floating in liquid in the aeration sedimentation tank 5, and further promote the solid pollutants to settle in the aeration sedimentation tank 5, so as to achieve the effect of promoting purification, and the aeration sedimentation tank 5 is of an aeration sedimentation tank structure in the prior art. The liquid outlet of the excrement collecting tank 6 is communicated with the liquid inlet of the sedimentation fermentation tank 4.
The construction site sewage treatment system of the embodiment collects the accumulated water of the construction site ground and the foundation pit through the primary sedimentation tank 1 and stores the accumulated water into the water storage tank 2, and the liquid outlet of the water storage tank 2 is communicated with a drainage pipeline for drainage, so that the accumulated water of the construction site ground and the foundation pit is recycled; moreover, the domestic sewage tank 3 at the construction site is used for collecting domestic sewage; the excrement collecting pool 6 is used for collecting excrement; meanwhile, domestic sewage in the domestic sewage tank 3 is discharged into the sedimentation fermentation tank 4, and supernatant in the excrement collecting tank 6 is also discharged into the sedimentation fermentation tank 4 through a liquid outlet of the excrement collecting tank 6, so that sedimentation and fermentation treatment of the domestic sewage and the supernatant discharged from the excrement collecting tank 6 are realized through the sedimentation fermentation tank 4; then, the liquid in the sedimentation fermentation tank 4 flows into the aeration sedimentation tank 5 through the overflow port of the sedimentation fermentation tank 4, and is subjected to aeration purification treatment, so that cleaner liquid is obtained. Finally, the liquid in the aeration sedimentation tank 5 overflows to the water storage tank 2, unified storage is carried out, the recycling of the waste water in the domestic sewage and the excrement collecting tank 6 is realized, the water resource of the construction site is effectively saved, the concentrated sedimentation and collection of the wastes such as solid particles are realized through the domestic sewage tank 3, the excrement collecting tank 6, the sedimentation fermentation tank 4, the aeration sedimentation tank 5 and the primary sedimentation tank 1, and the problem of environmental pollution caused by directly discharging the sewage of various construction sites such as the domestic sewage to the external environment is solved. The embodiment can reasonably utilize various kinds of sewage generated in a construction site to serve production and construction, and reduce environmental pollution. And, carry out independent setting with preliminary sedimentation tank 1 and domestic sewage pond 3 for the rainfall ponding, the construction ponding in the lower job site ground of pollution degree and the foundation ditch are directly introduced to preliminary sedimentation tank 1 and are carried out simple settlement treatment and realize water resource recycle, and no longer unify and discharge domestic sewage pond 3 and carry out centralized processing, can effectively reduce the processing pressure of domestic sewage pond 3, sedimentation fermentation vat 4, aeration sedimentation tank 5.
Further, in order to reduce the solid contaminants entering the preliminary sedimentation tank 1. As shown in FIG. 1, the construction site sewage treatment system further comprises a slag removal device 7. The slag removal device 7 is arranged at the liquid inlet of the primary sedimentation tank 1. Particularly, scarfing cinder device 7 is current shale shaker, and the underflow mouth communicates with the inlet of preliminary sedimentation tank 1 under the sieve of shale shaker, and the discharge mouth department is provided with the dustbin on the sieve of shale shaker (not shown in the figure). In other embodiments, the scarfing cinder device 7 also can be netted grid, and the present shale shaker of this embodiment adoption can realize the automatic rejection processing to solid contaminant to the solid contaminant of rejecting directly falls into the dustbin, realizes the collection of solid contaminant, and then can reduce staff's working strength.
Furthermore, since a certain amount of solid contaminants still exist in the treated water stored in the water storage tank 2, the solid contaminants are deposited in a drainage pipeline communicated with the liquid outlet of the water storage tank 2. In order to be able to clean the drain line conveniently. In this embodiment, the liquid outlet of the water storage tank 2 is also detachably connected in series with a filtering device 12. In particular, the filter device is an existing pipe filter. When the drainage pipeline is blocked, the pipeline type filter can be directly cleaned, and then the drainage pipeline is prevented from being blocked by impurities. In addition, the pipeline filter on the drainage pipeline can be connected in series.
For the specific way of sealing the top opening of the sedimentation fermentation tank 4, in this embodiment, the construction site sewage treatment system further includes a sedimentation fermentation cover plate (not shown in the figure). The sedimentation fermentation cover plate is covered above the top opening of the sedimentation fermentation tank 4 so as to seal the top opening of the sedimentation fermentation tank 4.
Further, in order to realize the collection and utilization of the biogas generated by the sedimentation fermentation tank 4. As shown in fig. 1, in this embodiment, the construction site sewage treatment system further includes a biogas processing device 8, and the biogas processing device 8 is communicated with the exhaust port of the sedimentation fermentation tank 4 through an exhaust pipeline. Specifically, the biogas treatment device 8 uses the existing biogas treatment equipment to realize the collection, recycling and reuse of biogas, thereby achieving the effect of environmental protection.
In addition, as shown in fig. 3, a sewage outlet 51 is formed in the bottom of the aeration and sedimentation tank 5, a switch valve (not shown in the figure) is arranged on the sewage outlet 51, and the switch valve is opened to discharge settled solid pollutants through the sewage outlet 51, so that the aeration and sedimentation tank 5 can be cleaned quickly and efficiently.
Further, after the sewage treatment system on the construction site is used for a long time, solid pollutants are easy to deposit and fix at the bottom of the aeration sedimentation tank 5, so that the cleaning is difficult. As shown in fig. 3, the construction site sewage treatment system further includes a slag scraping device 11. The slag scraping device 11 is arranged on the aeration sedimentation tank 5, the slag scraping device 11 comprises a slag scraping plate, and the slag scraping plate is used for hanging up slag at the bottom of the aeration sedimentation tank 5, so that the slag scraping efficiency can be greatly improved, and the working strength of workers is reduced. The slag scraping device 11 is an existing slag scraping device with a slag scraping plate, and the specific structure is not described in detail.
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. A job site sewage treatment system, comprising:
the primary sedimentation tank (1) is used for collecting accumulated water of the ground and a foundation pit of a construction site;
a water storage tank (2), wherein a liquid inlet of the water storage tank is communicated with a liquid outlet of the primary sedimentation tank (1), and a liquid outlet of the water storage tank (2) is communicated with a drainage pipeline for draining water;
a domestic sewage tank (3) for collecting domestic sewage;
a liquid inlet of the sedimentation fermentation tank (4) is communicated with a liquid outlet of the domestic sewage tank (3), an opening at the top of the sedimentation fermentation tank (4) is sealed, and an exhaust port for exhausting is formed in the sedimentation fermentation tank (4);
an aeration sedimentation tank (5), the liquid inlet of which is communicated with the liquid outlet of the sedimentation fermentation tank (4), and the overflow port of the aeration sedimentation tank (5) is communicated with the liquid inlet of the water storage tank (2);
and the liquid outlet of the excrement collecting tank (6) is communicated with the liquid inlet of the sedimentation fermentation tank (4).
2. The job site wastewater treatment system according to claim 1, further comprising:
the slag removing device (7), the slag removing device (7) is arranged at the liquid inlet of the primary sedimentation tank (1).
3. The construction site sewage treatment system as claimed in claim 2, wherein the slag removing device (7) is a vibrating screen, a screen underflow port of the vibrating screen is communicated with a liquid inlet of the primary sedimentation tank (1), and a screen discharge port of the vibrating screen is provided with a garbage can.
4. The job site wastewater treatment system according to claim 1, further comprising:
the sedimentation fermentation cover plate is covered above the top opening of the sedimentation fermentation tank (4) to seal the top opening of the sedimentation fermentation tank (4);
the biogas treatment device (8) is communicated with the exhaust port of the sedimentation fermentation tank (4) through an exhaust pipeline.
5. The job site wastewater treatment system according to claim 1, further comprising:
and the sedimentation baffle (9) is arranged at the upper position in the sedimentation fermentation tank (4).
6. The construction site sewage treatment system according to claim 1, wherein a sewage draining outlet (51) is formed at the bottom of the aeration and sedimentation tank (5), and a switch valve is arranged on the sewage draining outlet (51).
7. The job site wastewater treatment system according to claim 1, further comprising:
and the aeration flow baffle plate (10) is arranged at the upper position in the aeration sedimentation tank (5).
8. The job site wastewater treatment system according to claim 1, further comprising:
and the slag scraping device (11) is arranged on the aeration sedimentation tank (5), the slag scraping device (11) comprises a slag scraping plate, and the slag scraping plate is used for hanging up slag at the bottom of the aeration sedimentation tank (5).
9. The construction site sewage treatment system as claimed in claim 1, wherein a filtering device (12) is detachably connected in series at the outlet of the water storage tank (2).
10. The job site wastewater treatment system according to claim 9, wherein the filtering means is a pipe filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021405031.2U CN212833326U (en) | 2020-07-16 | 2020-07-16 | Construction site sewage treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021405031.2U CN212833326U (en) | 2020-07-16 | 2020-07-16 | Construction site sewage treatment system |
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| CN212833326U true CN212833326U (en) | 2021-03-30 |
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| CN202021405031.2U Active CN212833326U (en) | 2020-07-16 | 2020-07-16 | Construction site sewage treatment system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113415952A (en) * | 2021-07-01 | 2021-09-21 | 广东省第一建筑工程有限公司 | Integrated wastewater treatment system |
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2020
- 2020-07-16 CN CN202021405031.2U patent/CN212833326U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113415952A (en) * | 2021-07-01 | 2021-09-21 | 广东省第一建筑工程有限公司 | Integrated wastewater treatment system |
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