CN212315856U - Sewage treatment system - Google Patents
Sewage treatment system Download PDFInfo
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- CN212315856U CN212315856U CN202020715701.4U CN202020715701U CN212315856U CN 212315856 U CN212315856 U CN 212315856U CN 202020715701 U CN202020715701 U CN 202020715701U CN 212315856 U CN212315856 U CN 212315856U
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- coagulating sedimentation
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Abstract
The utility model provides a sewage treatment system, including coagulating sedimentation tank one, equalizing basin, coagulating sedimentation tank two, hydrolysis-acidification pool, MBR pond, clean water basin, sludge thickening tank, high concentration waste water passes through the sewer pipe and inputs in the coagulating sedimentation tank, coagulating sedimentation tank one with the equalizing basin intercommunication, the equalizing basin with coagulating sedimentation tank two intercommunication, coagulating sedimentation tank two with hydrolysis-acidification pool intercommunication, hydrolysis-acidification pool with MBR pond intercommunication, the MBR pond with clean water basin intercommunication, the external discharge tube in clean water basin, coagulating sedimentation tank one, coagulating sedimentation tank two, hydrolysis-acidification pool all through the mud pipe with sludge thickening tank intercommunication, MBR bottom of the pool portion with hydrolysis-acidification bottom of the pool portion is connected through the sludge return pipe. The utility model relates to a sewage treatment system is applicable to the waste water of various concentrations, the cost is reduced, and waste water treatment is efficient.
Description
Technical Field
The utility model relates to a sewage treatment technical field, in particular to sewage treatment system.
Background
Water resources are one of the indispensable resources for human beings. China is one of countries with rich water resources, the total amount of fresh water resources is the fifth world, however, as the population is large, the water resources occupied by people in China are about 2300 cubic meters, so that China is also a country with very short water resources. In recent years, with the rapid development of economy in China and the continuous improvement of living standard of people, the fresh water consumption in China is also rapidly increased, the improvement of the water resource reutilization rate has great significance for saving water resources, and sewage treatment is an important way for improving the water resource reutilization rate.
The sources of sewage are many, and different sewage treatment modes are often needed for different sewage, so that different sewage treatment equipment is needed, and the cost of sewage treatment is increased.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model discloses a sewage treatment system, the technical scheme of the utility model is implemented like this:
the utility model provides a sewage treatment system, includes coagulating sedimentation tank one, equalizing basin, coagulating sedimentation tank two, hydrolysis-acidification pool, MBR pond, clean water basin, sludge thickening tank, and high concentration waste water passes through the sewer pipe and inputs in the coagulating sedimentation tank, coagulating sedimentation tank one with the equalizing basin intercommunication, the equalizing basin with coagulating sedimentation tank two intercommunication, coagulating sedimentation tank two with hydrolysis-acidification pool intercommunication, hydrolysis-acidification pool with MBR pond intercommunication, MBR pond with clean water basin intercommunication, the external discharge pipe in clean water basin, coagulating sedimentation tank one, coagulating sedimentation tank two, hydrolysis-acidification pool all through the mud pipe with sludge thickening tank intercommunication, MBR bottom of the pool portion with hydrolysis-acidification bottom of the pool portion is connected through the mud back flow.
Preferably, the sewage treatment system further comprises a water collecting tank, wherein the water collecting tank is communicated with the adjusting tank, and low-concentration wastewater is filled in the water collecting tank.
Preferably, the sewage treatment system further comprises a blower, and the blower guides the outside air into the regulating tank, the MBR tank and the sludge concentration tank through ventilation pipes.
Preferably, the sewage treatment system further comprises a plurality of first dosing barrels, each first dosing barrel is connected with the first coagulating sedimentation tank and the second coagulating sedimentation tank, and each dosing barrel is provided with a metering pump.
Preferably, in the sewage treatment system, the number of the first dosing barrels is three, and the first dosing barrels are respectively an alkali dosing barrel, an iron dosing barrel and a PAM dosing barrel.
Preferably, the clean water tank and the MBR tank are further connected through a sewage backflow pipe, the sewage backflow pipe is connected with a second dosing barrel, and a metering pump is installed on the second dosing barrel.
Preferably, the number of the second medicine adding barrels is two, and the two second medicine adding barrels are respectively a citric acid medicine adding barrel and a sodium hypochlorite medicine adding barrel.
Preferably, the first coagulating sedimentation tank, the second coagulating sedimentation tank, the MBR tank and the clean water tank are all provided with a pH meter.
Preferably, temperature meters are respectively arranged on the coagulating sedimentation tank II and the hydrolysis acidification tank.
Preferably, the sludge concentration tank is connected with a spiral filter press, and the spiral filter press is used for press-filtering the sludge in the sludge concentration tank.
The utility model discloses a sewage treatment system can handle low concentration waste water, also can handle high concentration waste water, and the processing approach of the waste water of different concentrations is different, can not cause the waste of resource, and has reduced the cost of equipment, and waste water treatment is efficient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only one embodiment of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
A sewage treatment system is shown in a combined figure 1 and comprises a coagulation sedimentation tank I, an adjusting tank, a coagulation sedimentation tank II, a hydrolysis acidification tank, an MBR tank, a clean water tank, a sludge concentration tank and a water collecting tank, wherein high-concentration wastewater is input into the coagulation sedimentation tank through a sewage pipe, the first coagulating sedimentation tank is communicated with the regulating tank, the regulating tank is communicated with the second coagulating sedimentation tank, the second coagulating sedimentation tank is communicated with the hydrolysis acidification tank which is communicated with the MBR tank, the MBR tank is communicated with the clean water tank, the clean water tank is externally connected with a discharge pipeline, the first coagulating sedimentation tank, the second coagulating sedimentation tank and the hydrolysis acidification tank are communicated with the sludge concentration tank through sludge discharge pipes, the MBR tank bottom with hydrolysis acidification tank bottom is connected through the mud back flow, the catch basin with the equalizing basin intercommunication, be low concentration waste water in the catch basin.
In the embodiment, high-concentration wastewater is pumped into the first coagulating sedimentation tank through a water pump, supernatant is pumped into the regulating tank after coagulation reaction, bottom sludge enters the sludge concentration tank, and low-concentration wastewater to be treated is pumped into the regulating tank through the water pump; and pumping the sewage in the regulating tank into a second coagulating sedimentation tank for coagulation reaction, pumping the liquid after the reaction into a hydrolysis acidification tank, sending the sludge at the bottom of the regulating tank into a sludge concentration tank, pumping the sewage into an MBR tank for reaction after the sewage is subjected to the reaction in the hydrolysis acidification tank, pumping the reacted clear water into a clear water tank, and discharging the clear water after the clear water tank reaches a qualified discharge standard through detection.
In a preferred embodiment, referring to fig. 1, the sewage treatment system further comprises a blower for introducing outside air into the conditioning tank, the MBR tank and the sludge concentration tank through ventilation pipes.
In the embodiment, a ventilation pipeline extends to the bottom of the adjusting tank and is provided with a plurality of aeration heads, so that two kinds of sewage which are different in treatment can be uniformly mixed, and the next treatment is facilitated.
In a preferred embodiment, referring to fig. 1, the sewage treatment system further includes an alkali chemical tank, an iron chemical tank, and a PAM chemical tank, wherein each of the chemical tanks is connected to the first coagulating sedimentation tank and the second coagulating sedimentation tank, and a metering pump is installed on each chemical tank. The metering pump is controlled by an automatic control system to control the dosing amount.
In a preferred embodiment, as shown in fig. 1, the clean water tank and the MBR tank are further connected through a sewage backflow pipe, the sewage backflow pipe is connected with a citric acid adding barrel and a sodium hypochlorite adding barrel, and metering pumps are respectively installed on the citric acid adding barrel and the sodium hypochlorite adding barrel.
In this embodiment, the water in the clean water tank is re-pumped to the MBR tank for treatment if the water is not qualified.
In a preferred embodiment, as shown in fig. 1, pH meters are installed on the first coagulating sedimentation tank, the second coagulating sedimentation tank, the MBR tank and the clean water tank.
In a preferred embodiment, as shown in fig. 1, temperature meters are installed on the second coagulating sedimentation tank and the hydrolysis acidification tank.
In a preferred mode, as shown in fig. 1, the sludge concentration tank is connected with a spiral filter press, and the spiral filter press is used for filter-pressing sludge in the sludge concentration tank to dewater the sludge.
It should be understood that the above description is only exemplary of the present invention, and is not intended to limit the present invention, and that any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included within the scope of the present invention.
Claims (10)
1. The utility model provides a sewage treatment system, its characterized in that, includes coagulating sedimentation tank one, equalizing basin, coagulating sedimentation tank two, hydrolysis-acidification pool, MBR pond, clean water basin, sludge thickening pond, and high concentration waste water passes through the sewer pipe and inputs to in the coagulating sedimentation tank, coagulating sedimentation tank one with the equalizing basin intercommunication, the equalizing basin with coagulating sedimentation tank two intercommunication, coagulating sedimentation tank two with hydrolysis-acidification pool intercommunication, hydrolysis-acidification pool with MBR pond intercommunication, MBR pond with clean water basin intercommunication, the external discharge tube in clean water basin, coagulating sedimentation tank one, coagulating sedimentation tank two, hydrolysis-acidification pool all through the mud pipe with sludge thickening pond intercommunication, MBR bottom of the pool portion with hydrolysis-acidification bottom of the pool portion is connected through the sludge return pipe.
2. The wastewater treatment system according to claim 1, further comprising a water collection tank, wherein the water collection tank is communicated with the regulating tank, and the water collection tank contains low-concentration wastewater.
3. The wastewater treatment system according to claim 1, further comprising a blower for introducing outside air into the conditioning tank, the MBR tank, and the sludge concentration tank through ventilation ducts, respectively.
4. The sewage treatment system of claim 1, further comprising a plurality of first dosing barrels, wherein each first dosing barrel is connected with the first coagulating sedimentation tank and the second coagulating sedimentation tank, and each dosing barrel is provided with a metering pump.
5. The sewage treatment system of claim 4, wherein the number of the first dosing barrels is three, and the three first dosing barrels are respectively an alkali dosing barrel, an iron dosing barrel and a PAM dosing barrel.
6. The sewage treatment system of claim 1, wherein the clean water tank and the MBR tank are further connected through a sewage return pipe, the sewage return pipe is connected with a second dosing barrel, and a metering pump is mounted on the second dosing barrel.
7. The sewage treatment system of claim 6, wherein the number of the second dosing barrels is two, and the two second dosing barrels are respectively a citric acid dosing barrel and a sodium hypochlorite dosing barrel.
8. The sewage treatment system of claim 1, wherein the first coagulation sedimentation tank, the second coagulation sedimentation tank, the MBR tank and the clean water tank are all provided with a pH meter.
9. The sewage treatment system of claim 1, wherein the coagulating sedimentation tank II and the hydrolysis acidification tank are both provided with temperature meters.
10. The wastewater treatment system according to claim 1, wherein the sludge concentration tank is connected to a spiral filter press for press-filtering sludge in the sludge concentration tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020715701.4U CN212315856U (en) | 2020-05-06 | 2020-05-06 | Sewage treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020715701.4U CN212315856U (en) | 2020-05-06 | 2020-05-06 | Sewage treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212315856U true CN212315856U (en) | 2021-01-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020715701.4U Active CN212315856U (en) | 2020-05-06 | 2020-05-06 | Sewage treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212315856U (en) |
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2020
- 2020-05-06 CN CN202020715701.4U patent/CN212315856U/en active Active
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