CN211664903U - Water-saving wastewater treatment system - Google Patents
Water-saving wastewater treatment system Download PDFInfo
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- CN211664903U CN211664903U CN201921689374.3U CN201921689374U CN211664903U CN 211664903 U CN211664903 U CN 211664903U CN 201921689374 U CN201921689374 U CN 201921689374U CN 211664903 U CN211664903 U CN 211664903U
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Abstract
The utility model discloses a water-saving wastewater treatment system, which comprises a water collecting well, a pH adjusting tank, a UASB reaction tank, an aerobic aeration tank, a secondary sedimentation tank and an external discharge observation well which are connected in sequence through pipelines; wherein: the pH adjusting tank is connected with an aerobic aeration tank through a pipeline and a UASB reaction tank, the aerobic aeration tank is connected with a secondary sedimentation tank through a pipeline, the secondary sedimentation tank is connected with a sludge concentration tank so as to convey residual sludge precipitated by the secondary sedimentation tank into the sludge concentration tank for concentration treatment, and the concentrated sludge is conveyed into a belt filter press for filter pressing treatment; the secondary sedimentation tank is connected with the outward discharge observation well through a pipeline; and the outer discharge observation well is connected with the belt filter press so as to convey the standard-reaching wastewater collected in the outer discharge observation well to the belt filter press to be used as cleaning water. The utility model discloses the effluent disposal system of water conservation washs the conveyer belt of belt filter press through utilizing the waste water of arranging in the observation well outward to practice thrift the use of running water, it is high-efficient convenient and reasonable.
Description
Technical Field
The utility model belongs to the technical field of waste water treatment, especially, relate to a waste water treatment system of water conservation.
Background
At present, the technology for treating the production wastewater of enterprises is always in a laggard state, the difficulty of wastewater treatment is high, and the development and construction of cities are always influenced. Along with the advance of urbanization, the water consumption is continuously increased, the pollution is more serious, and the influence is worse. In an industrial area of coal-electricity production, wastewater generally consists of industrial wastewater and domestic wastewater, and the treated wastewater is directly discharged into a natural environment, so that the treated wastewater cannot be utilized, and further, the serious waste of a water source is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the industrial wastewater treatment, and provides a water-saving wastewater treatment system.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a water-saving wastewater treatment system, which comprises a water collecting well, a pH adjusting tank, a UASB reaction tank, an aerobic aeration tank, a secondary sedimentation tank and an external discharge observation well which are connected in sequence through pipelines; wherein:
the pH adjusting tank is connected with the aerobic aeration tank through the UASB reaction tank by a pipeline, the aerobic aeration tank is connected with the secondary sedimentation tank by a pipeline, the secondary sedimentation tank is connected with a sludge concentration tank so as to convey residual sludge precipitated by the secondary sedimentation tank into the sludge concentration tank for concentration treatment, and the concentrated sludge is conveyed into a belt filter press for filter pressing treatment;
the secondary sedimentation tank is connected with the discharge observation well through a pipeline so as to convey the standard-reaching wastewater precipitated by the secondary sedimentation tank to the discharge observation well; and the outer discharge observation well is connected with the belt filter press so as to convey the standard-reaching wastewater collected in the outer discharge observation well to the belt filter press to be used as cleaning water.
Further, in the water-saving wastewater treatment system, a grid well is arranged between the water collecting well and the pH adjusting tank.
Further preferably, in the water-saving wastewater treatment system, a pre-settling tank is further included, which is arranged between the grid well and the pH adjusting tank.
Furthermore, the water-saving wastewater treatment system also comprises an accident water tank connected with the pH adjusting tank through a branch pipeline, and the accident water tank is connected with a pipeline between the pre-settling adjusting tank and the pH adjusting tank through a pipeline.
Further, in the water-saving wastewater treatment system, the outward discharge observation well is connected with the belt filter press through a diaphragm pump.
Further, in the water-saving wastewater treatment system, the pH adjusting tank is connected with the EGSB reaction tank through a branch pipeline so as to send the wastewater after pH adjustment into the EGSB reaction tank for separation treatment; the EGSB reaction tank is connected with the final sedimentation tank through the aerobic aeration tank so as to carry out aeration treatment on the separated sludge-containing wastewater through the aerobic aeration tank, and the sludge-containing wastewater after the aeration treatment is conveyed to the final sedimentation tank for sedimentation separation.
Further, in the water-saving wastewater treatment system, the EGSB reaction tank and the UASB are connected with the incinerator through a pipeline, so that harmful gas generated after the EGSB reaction tank and the UASB are treated is sent into the incinerator for incineration treatment.
Further, in the water-saving wastewater treatment system, the final sedimentation tank is connected with the discharge observation well through the phosphorus removal tank by a pipeline so as to store the supernatant after sedimentation in the discharge observation well.
Further, in the water-saving wastewater treatment system, the final sedimentation tank and the secondary sedimentation tank are connected with a sludge concentration tank so as to convey sludge precipitated in the final sedimentation tank into the sludge concentration tank for concentration treatment.
Further, in the water-saving wastewater treatment system, the secondary sedimentation tank is connected with the aerobic aeration tank through a pipeline so as to convey part of the precipitated residual sludge to the aerobic aeration tank for cyclic aeration treatment.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the conveying belt of the belt filter press is cleaned by utilizing the wastewater discharged from the observation well, so that the use of tap water is saved, and the belt filter press is efficient, convenient and reasonable;
(2) the pneumatic diaphragm pump is arranged between the external discharge observation well and the belt filter press, so that the treated wastewater can be more efficiently pumped to the belt filter press from the external discharge observation well, and the belt filter press has the advantages of reliable quality, long service life, low noise, small vibration, no dead halt, fine workmanship and the like;
(3) the pre-settling regulating tank and the pH regulating tank are combined, so that the pH value of the sewage can be regulated more effectively, and the system has the advantages of stable operation, impact load resistance, less construction investment, low energy consumption and low operation cost;
(4) through reasonable design's process flow, it is rationally distributed, the treatment effect is good, unified management is more convenient, can adapt to the quality of water and the water yield change of synthesizing sewage, can better adaptation ambient environmental condition, and whole technology is more harmonious, the optimization effect is better, has improved sewage treatment management level greatly.
Drawings
FIG. 1 is a schematic structural view of a water-saving wastewater treatment system of the present invention.
Detailed Description
The present invention will be described in detail and specifically with reference to specific embodiments so as to provide a better understanding of the present invention, but the following embodiments do not limit the scope of the present invention.
Referring to fig. 1, the present embodiment provides a water-saving wastewater treatment system, which includes a water collecting well, a pH adjusting tank, a UASB reaction tank, an aerobic aeration tank, a secondary sedimentation tank, and an effluent observation well, which are connected in sequence through pipes; wherein: the pH adjusting tank is connected with the aerobic aeration tank through the UASB reaction tank by a pipeline, the aerobic aeration tank is connected with the secondary sedimentation tank by a pipeline, the secondary sedimentation tank is connected with a sludge concentration tank so as to convey residual sludge precipitated by the secondary sedimentation tank into the sludge concentration tank for concentration treatment, and the concentrated sludge is conveyed into a belt filter press for filter pressing treatment; the secondary sedimentation tank is connected with the discharge observation well through a pipeline so as to convey the standard-reaching wastewater precipitated by the secondary sedimentation tank to the discharge observation well; and the outer discharge observation well is connected with the belt filter press so as to convey the standard-reaching wastewater collected in the outer discharge observation well to the belt filter press to be used as cleaning water. This effluent disposal system of water conservation washs the conveyer belt of belt filter press through utilizing the waste water of arranging in the observation well outward to practiced thrift the use of running water, it is high-efficient convenient and reasonable.
In this embodiment, as shown in fig. 1, the water-saving wastewater treatment system further includes a grating well disposed between the water collecting well and the pH adjusting tank. The system also comprises a pre-settling adjusting tank arranged between the grid well and the pH adjusting tank, the pH value of the sewage can be more effectively adjusted by combining the pre-settling adjusting tank with the pH adjusting tank, and the system is stable in operation, resistant to impact load, low in construction investment, and low in energy consumption and operation cost. In addition, the water-saving wastewater treatment system also comprises an accident water tank connected with the pH adjusting tank through a branch pipeline, and the accident water tank is connected with a pipeline between the pre-settling adjusting tank and the pH adjusting tank through a pipeline.
In this embodiment, as shown in fig. 1, the outer row observation well is connected to the belt filter press through a diaphragm pump. The pneumatic diaphragm pump is arranged between the outer discharge observation well and the belt filter press, so that the treated wastewater can be more efficiently pumped to the belt filter press from the outer discharge observation well, and the belt filter press has the advantages of reliable quality, long service life, low noise, small vibration, no dead halt, fine workmanship and the like.
In this embodiment, as shown in fig. 1, the pH adjusting tank is connected to the EGSB reaction tank through a branch pipe, so that the wastewater after pH adjustment is sent to the EGSB reaction tank for separation treatment; the EGSB reaction tank is connected with the final sedimentation tank through the aerobic aeration tank so as to carry out aeration treatment on the separated sludge-containing wastewater through the aerobic aeration tank, and the sludge-containing wastewater after the aeration treatment is conveyed to the final sedimentation tank for sedimentation separation.
In this embodiment, as shown in fig. 1, the EGSB reaction tank and the UASB are connected to an incinerator through a pipe, so that the harmful gas generated after the EGSB reaction tank and the UASB treatment is fed into the incinerator for incineration.
In this embodiment, as shown in fig. 1, the final sedimentation tank is connected to the drainage observation well through the phosphorus removal tank via a pipeline, so as to store the supernatant after sedimentation in the drainage observation well. And the final sedimentation tank and the secondary sedimentation tank are connected with a sludge concentration tank so as to convey the sludge precipitated in the final sedimentation tank into the sludge concentration tank for concentration treatment.
In this embodiment, as shown in fig. 1, the secondary sedimentation tank is connected to the aerobic aeration tank through a pipeline, so that part of the settled excess sludge is delivered to the aerobic aeration tank for cyclic aeration treatment.
The working principle of the water-saving wastewater treatment system provided by the embodiment is as follows:
(1) in the working process of the system, production wastewater firstly enters a water collecting well, bacteria in the wastewater are removed through a sterilization layer in the water collecting well, and then the wastewater is transmitted to a grid well; then the wastewater is transmitted to a pre-sedimentation regulating tank, the quality and the quantity of the wastewater are stabilized, and meanwhile, a certain acid-base regulator can be added to regulate the pH value of the wastewater;
(2) then part of the wastewater enters a pH adjusting tank to further neutralize the pH value of the wastewater, and meanwhile part of the wastewater enters an accident water tank, under special conditions such as accidents and overhauling, the water tank for discharging the waste liquid is temporarily stored, the water consumption can be effectively saved, and when a fire or other accidents happen, the industrial wastewater in the accident water tank is timely treated, so that the treatment capacity for dealing with the accidents is improved;
(3) the wastewater in the pH adjusting tank is transmitted to the UASB reaction tank, organic matters in the wastewater can be effectively removed by utilizing the decomposition process of anaerobic organisms, and are converted into inorganic matters such as methane, water and the like to be discharged, meanwhile, the wastewater in the pH adjusting tank is transmitted to the EGSB reaction tank, and the hydraulic load of the wastewater realizes the reinforced matrix stirring to improve the mass transfer driving force, effectively remove the organic matters in the wastewater, and are converted into inorganic matters such as methane, water and the like to be discharged; the biogas generated in the UASB reaction tank and the EGSB reaction tank is incinerated;
(4) the wastewater treated by the UASB reaction tank enters a secondary sedimentation tank after contact oxidation, particulate matters in the wastewater are effectively removed through sedimentation, sludge with high concentration is discharged to a sludge concentration tank, and the residual sludge can be subjected to contact oxidation again, enter the secondary sedimentation tank again for sedimentation and then enter the sludge concentration tank;
(5) the wastewater treated by the EGSB reaction tank enters a final sedimentation tank after contact oxidation, particulate matters in the wastewater are effectively removed through sedimentation, sludge with high concentration is discharged to a sludge concentration tank, and the residual sludge can be subjected to contact oxidation again, enter a secondary sedimentation tank for sedimentation and then enter the sludge concentration tank. The wastewater in the secondary sedimentation tank is transmitted to an outward discharge observation well, and the wastewater in the final sedimentation tank is transmitted to the outward discharge observation well after dephosphorization;
(6) sludge in the sludge concentration tank is transmitted to the belt filter press to be made into mud cakes to be transported outside, wastewater in the outward discharge observation well can be discharged up to the standard after being observed up to the standard, and in addition, part of up to the standard wastewater can be pumped into the belt filter press through the pneumatic diaphragm pump to clean the conveying belt, so that tap water is saved and used.
The above detailed description of the embodiments of the present invention is only for exemplary purposes, and the present invention is not limited to the above described embodiments. Any equivalent modifications and substitutions to those skilled in the art are also within the scope of the present invention. Accordingly, variations and modifications in equivalents may be made without departing from the spirit and scope of the invention, which is intended to be covered by the following claims.
Claims (10)
1. A water-saving wastewater treatment system is characterized by comprising a water collecting well, a pH adjusting tank, a UASB reaction tank, an aerobic aeration tank, a secondary sedimentation tank and an external discharge observation well which are sequentially connected through pipelines; wherein:
the pH adjusting tank is connected with the aerobic aeration tank through the UASB reaction tank by a pipeline, the aerobic aeration tank is connected with the secondary sedimentation tank by a pipeline, the secondary sedimentation tank is connected with a sludge concentration tank so as to convey residual sludge precipitated by the secondary sedimentation tank into the sludge concentration tank for concentration treatment, and the concentrated sludge is conveyed into a belt filter press for filter pressing treatment;
the secondary sedimentation tank is connected with the discharge observation well through a pipeline so as to convey the standard-reaching wastewater precipitated by the secondary sedimentation tank to the discharge observation well; and the outer discharge observation well is connected with the belt filter press so as to convey the standard-reaching wastewater collected in the outer discharge observation well to the belt filter press to be used as cleaning water.
2. The water-saving wastewater treatment system according to claim 1, further comprising a grid well disposed between the water collection well and the pH adjustment tank.
3. The water-saving wastewater treatment system according to claim 2, further comprising a pre-settling tank disposed between the grid well and the pH adjustment tank.
4. The water-saving wastewater treatment system according to claim 3, further comprising an emergency basin connected to the pH adjusting basin via a branch pipe, wherein the emergency basin is connected to a pipe between the pre-settling tank and the pH adjusting basin via a pipe.
5. The water-saving wastewater treatment system according to claim 1, wherein the discharge observation well is connected to the belt filter press by a diaphragm pump.
6. The water-saving wastewater treatment system according to claim 1, wherein the pH adjustment tank is connected to the EGSB reaction tank through a branch pipe, so that the wastewater after pH adjustment is sent to the EGSB reaction tank for separation treatment; the EGSB reaction tank is connected with the final sedimentation tank through the aerobic aeration tank so as to carry out aeration treatment on the separated sludge-containing wastewater through the aerobic aeration tank, and the sludge-containing wastewater after the aeration treatment is conveyed to the final sedimentation tank for sedimentation separation.
7. The water-saving wastewater treatment system according to claim 6, wherein the EGSB reaction tank and the UASB are connected to an incinerator through a pipeline, so that the harmful gas generated after the EGSB reaction tank and the UASB are treated is sent to the incinerator for incineration treatment.
8. The water-saving wastewater treatment system according to claim 6, wherein the final sedimentation tank is connected to the drainage observation well through a dephosphorization tank by a pipeline so as to store the supernatant after sedimentation in the drainage observation well.
9. The water-saving wastewater treatment system according to claim 6, wherein the final sedimentation tank and the secondary sedimentation tank are connected with a sludge concentration tank so as to convey the sludge precipitated in the final sedimentation tank into the sludge concentration tank for concentration treatment.
10. The water-saving wastewater treatment system according to claim 1, wherein the secondary sedimentation tank is connected to the aerobic aeration tank through a pipeline so as to convey part of the precipitated excess sludge to the aerobic aeration tank for cyclic aeration treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921689374.3U CN211664903U (en) | 2019-10-10 | 2019-10-10 | Water-saving wastewater treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921689374.3U CN211664903U (en) | 2019-10-10 | 2019-10-10 | Water-saving wastewater treatment system |
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| Publication Number | Publication Date |
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| CN211664903U true CN211664903U (en) | 2020-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921689374.3U Active CN211664903U (en) | 2019-10-10 | 2019-10-10 | Water-saving wastewater treatment system |
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| CN (1) | CN211664903U (en) |
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- 2019-10-10 CN CN201921689374.3U patent/CN211664903U/en active Active
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