CN216764624U - Waste water anaerobic treatment pipeline system - Google Patents
Waste water anaerobic treatment pipeline system Download PDFInfo
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- CN216764624U CN216764624U CN202123247937.3U CN202123247937U CN216764624U CN 216764624 U CN216764624 U CN 216764624U CN 202123247937 U CN202123247937 U CN 202123247937U CN 216764624 U CN216764624 U CN 216764624U
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Abstract
The utility model discloses a waste water anaerobic treatment pipeline system, which comprises an anaerobic reactor, a stable water tank, an anaerobic backflow pipe, an anaerobic water inlet pipe, a stable water tank drain pipe, a sewage discharge exhaust pipe and an overflow pipe, wherein the anaerobic reactor is connected with the stable water tank; the anaerobic reflux control valve, the anaerobic mixed liquid reflux pump, the first check valve and the first electromagnetic flowmeter are arranged on the anaerobic reflux pipe; a stable water tank water outlet control valve, an anaerobic water inlet pump, a second check valve, a basket filter, an anaerobic water inlet control valve and a second electromagnetic flowmeter are arranged on the anaerobic water inlet pipe; a stable water tank drain valve, a sampling valve, an overflow pipe and a drain exhaust pipe which are connected with the stable water tank; an on-line pH meter is also arranged. The utility model effectively solves the problems of reflux water pump impact and reading fluctuation of the flow meter and the online pH meter caused by gas contained in anaerobic reflux liquid. Meanwhile, all drainage, overflow and exhaust of the stable water tank are realized through only one drainage and exhaust pipe, the structure is simple and efficient, and the cost is saved.
Description
Technical Field
The utility model belongs to the field of water treatment, and particularly relates to a wastewater anaerobic treatment pipeline system.
Background
At present, an anaerobic biological treatment method is an important biological treatment method for treating organic wastewater, particularly high-concentration organic wastewater, and mainly comprises various treatment methods such as an anaerobic biological filter, an anaerobic biological rotating disc, EGSB, UASB, ABR and the like. The anaerobic biological treatment method has high organic load; the amount of the residual sludge is small, and the treatment is easy; the energy demand is less and a large amount of energy sources such as methane and the like which can be utilized by human beings can be generated. Among many anaerobic biological treatments, sludge reflux is required, such as anaerobic treatment processes like EGSB and UASB. However, the reflux liquid contains a large amount of gas products of anaerobic reaction, and the gas can be collected at the dead angle at the top end of the bent pipeline, so that the liquid flow state can be influenced in the reflux pipe, impact is brought to an anaerobic mixed liquid reflux pump, and meanwhile, fluctuation of the readings of a flowmeter and an on-line pH meter can be caused, and troubles are brought to the operation management of the anaerobic sewage treatment process.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, an object of the present invention is to provide a pipeline system for anaerobic wastewater treatment, which uses the original blowoff valve of a basket filter to serve as an exhaust valve, and is provided with a blowoff exhaust pipeline, so as to solve the problems of impact of a backflow water pump and fluctuation of readings of a flow meter and an online pH meter caused by the fact that gas contained in anaerobic reflux liquid cannot be smoothly discharged, and meanwhile, the pipeline system for anaerobic wastewater treatment finally merges the drainage and overflow of a stabilization water tank and the exhaust of an anaerobic reactor into a drainage exhaust pipe, and a sampling pipe of the stabilization water tank is led out from a merging point, thereby simplifying the design structure and reducing the cost of the pipeline system for anaerobic wastewater treatment.
In order to achieve the above objects, the present invention provides a pipeline system for anaerobic treatment of wastewater, the pipeline system comprises an anaerobic reactor, a stable water tank, an anaerobic reflux pipe, an anaerobic water inlet pipe, a stable water tank drain pipe, a gas exhaust pipe, and an overflow pipe;
wherein, the top of the anaerobic reactor is provided with a biogas collecting tank and a first access hole, the upper part of the side wall of the anaerobic reactor is provided with an anaerobic treatment water outlet, the middle part is provided with an observation hole, and the lower part is provided with a second access hole; the anaerobic return pipe is connected between the upper part and the lower part of the outer side of the side wall of the anaerobic reactor;
the top of the stable water tank is provided with a water inlet; the anaerobic water inlet pipe is connected between the lower part of the stabilizing water tank and the lower part of the anaerobic reactor;
the anaerobic water inlet pipe and the anaerobic return pipe are converged to form an anaerobic reactor water inlet mixing section before being connected with the anaerobic reactor;
the anaerobic reflux pipe is provided with an anaerobic reflux control valve, an anaerobic mixed liquid reflux water pump, a first check valve and a first electromagnetic flowmeter;
the anaerobic water inlet pipe is provided with a stable water tank water outlet control valve, an anaerobic water inlet pump, a second check valve, a basket filter, an anaerobic water inlet control valve and a second electromagnetic flow meter;
an online pH meter is arranged at the water inlet mixing section of the anaerobic reactor;
the upper part of the stabilizing water tank is connected with the overflow pipe, and the lower part of the stabilizing water tank is connected with the drain pipe of the stabilizing water tank;
a sewage discharge exhaust valve at the bottom of the basket filter is connected with the sewage discharge exhaust pipe; the overflow pipe, the stable water tank drain pipe and the sewage discharge exhaust pipe are intersected at an intersection point, and a sampling pipe and a water discharge exhaust pipe are connected at the intersection point;
a stable water tank drain valve is arranged on the stable water tank drain pipe;
the sampling tube is provided with a sampling valve.
As described above, the anaerobic mixed liquid reflux water pump, the first check valve, and the first electromagnetic flowmeter are sequentially disposed on the anaerobic reflux pipe along the water flow direction.
As described above, the anaerobic reflux control valve is disposed before the anaerobic mixed liquor reflux water pump, or the anaerobic reflux control valve is disposed after the first electromagnetic flowmeter.
As described above, the stable tank outlet control valve, the anaerobic inlet pump, the second check valve, the basket filter, and the second electromagnetic flow meter on the anaerobic inlet pipe are sequentially disposed along the water flow direction.
As described above, the anaerobic water inlet control valve is disposed between the basket filter and the second electromagnetic flow meter; or the anaerobic water inlet control valve is arranged between the anaerobic water inlet pump and the second check valve; or the anaerobic water inlet control valve is arranged between the second check valve and the basket filter.
As described above, the anaerobic reflux control valve is a butterfly valve or a ball valve; the water outlet control valve of the stable water tank is a ball valve or a butterfly valve; the anaerobic water inlet control valve is a ball valve or a butterfly valve.
The waste water anaerobic treatment pipeline system of the utility model utilizes the original blow-off valve of the basket filter as an exhaust control valve, is connected with the stable water tank drain pipe through a pipeline, can discharge a large amount of gas products contained in anaerobic reflux liquid through the control of the basket filter blow-off valve, is favorable for stabilizing the liquid flow state in the reflux pipe, eliminates the impact of gas on an anaerobic mixed liquid reflux pump, and simultaneously ensures that a flowmeter and an online pH meter can stably indicate.
The waste water anaerobic treatment pipeline system of the utility model connects the exhaust pipe, the overflow pipe and the sampling pipe with the stable water tank drain pipe, all the drainage, overflow and exhaust of the stable water tank are realized by only one stable water tank drainage exhaust pipe, the structure is simple and efficient, and the cost is saved.
The utility model has the beneficial effects that:
the waste water anaerobic treatment pipeline system provided by the utility model has the advantages that the original basket filter blow-down valve is also used as the exhaust valve, the exhaust pipeline is arranged, and the gas product contained in the anaerobic reflux liquid is exhausted, so that the impact of gas on an anaerobic mixed liquid reflux pump is eliminated, and the problems of flow meter and online pH meter reading fluctuation caused by the gas are solved; meanwhile, the multifunctional pipelines are highly integrated and simplified, the pipeline efficiency is improved, and the construction cost is also reduced.
Drawings
FIG. 1 is a schematic structural view of a preferred embodiment of a pipeline system for anaerobic treatment of wastewater provided by the present invention.
Reference numerals
1: an anaerobic reactor; 11: a biogas collection tank; 12: a first access opening; 13: an anaerobic treatment water outlet; 14; a viewing port; 15: a second access opening; 2: a stabilizing water tank; 21: a water inlet; 31: an anaerobic reflux pipe; 32: an anaerobic water inlet pipe; 33: stabilizing the water tank drain pipe; 34: an overflow pipe; 35: a blowdown exhaust pipe; 36: an anaerobic reactor water inlet mixing section; 37: a sampling tube; 38: a water and gas discharging pipe; 41: an anaerobic reflux control valve; 42: stabilizing the water outlet control valve of the water tank; 43: an anaerobic water inlet control valve; 44: a blowdown exhaust valve; 45: stabilizing a drain valve of the water tank; 46: a sampling valve; 51: anaerobic mixed liquor backflow water pump; 52: an anaerobic feed pump; 61: a first check valve; 62: a second check valve; 71: a first electromagnetic flow meter; 72: a second electromagnetic flow meter; 8: a basket filter; 9: an on-line pH meter.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments in order to make the technical field better understand the scheme of the present invention.
Referring to FIG. 1, a preferred embodiment of a waste water anaerobic treatment pipeline system according to the present invention is shown, wherein arrows indicate water flow directions, the pipeline system comprises an anaerobic reactor 1, a stabilization water tank 2, an anaerobic return pipe 31, an anaerobic inlet pipe 32, a stabilization water tank drain pipe 33, an overflow pipe 34, a drain exhaust pipe 35;
wherein, the top of the anaerobic reactor is provided with a methane collecting tank 11 and a first access hole 12, the upper part of the side wall of the anaerobic reactor is provided with an anaerobic treatment water outlet 13, the middle part is provided with an observation hole 14, and the lower part is provided with a second access hole 15; the anaerobic return pipe is connected between the upper part and the lower part of the outer side of the side wall of the anaerobic reactor;
the biogas collection tank 11 collects gas (biogas) generated during the anaerobic treatment; the first access hole 12 and the second access hole 15 are used for overhauling the anaerobic reactor; the anaerobic treatment water outlet 13 is used for discharging the waste water after anaerobic treatment, and the observation port 14 is used for observing the working condition in the anaerobic reactor.
The anaerobic return pipe 31 is connected between the upper part and the lower part outside the side wall of the anaerobic reactor 1;
the top of the stable water tank 2 is provided with a water inlet 21; the anaerobic water inlet pipe 32 is connected between the lower part of the stabilizing water tank 2 and the lower part of the anaerobic reactor 1;
the anaerobic water inlet pipe 32 and the anaerobic return pipe 31 are merged to form an anaerobic reactor water inlet mixing section 36 before entering the anaerobic reactor;
the anaerobic reflux pipe 31 is provided with an anaerobic reflux control valve 41, an anaerobic mixed liquid reflux water pump 51, a first check valve 61 and a first electromagnetic flowmeter 71, and the anaerobic reflux control valve 41, the anaerobic mixed liquid reflux water pump 51, the first check valve 61 and the first electromagnetic flowmeter 71 are sequentially arranged along the water flow direction; in the present embodiment, the anaerobic reflux control valve 41 is a butterfly valve, and in other embodiments, the anaerobic reflux control valve 41 may be disposed after the first electromagnetic flow meter 71.
The anaerobic water inlet pipe 32 is provided with a stable water tank water outlet control valve 42, an anaerobic water inlet pump 52, a second check valve 62, a basket filter 8, an anaerobic water inlet control valve 43 and a second electromagnetic flow meter 72 in sequence along the water flow direction; in the present embodiment, the stabilization tank outlet control valve 42 is a ball valve, the anaerobic inlet control valve 43 is a ball valve, and the anaerobic inlet control valve 43 is disposed between the basket filter 8 and the second electromagnetic flow meter 72, but in other embodiments, the anaerobic inlet control valve 43 may be disposed between the anaerobic inlet pump 52 and the second check valve 62 or between the second check valve 62 and the basket filter 8.
An online pH meter 9 is arranged at the water inlet mixing section 36 of the anaerobic reactor;
the upper part of the stabilizing water tank 2 is connected with the overflow pipe 34, and the lower part of the stabilizing water tank 2 is connected with the stabilizing water tank drain pipe 33;
the bottom of the basket filter 7 is provided with a blowdown exhaust valve 44, and the blowdown exhaust valve 44 is connected with the blowdown exhaust pipe 35; the overflow pipe 34, the stable water tank drain pipe 33 and the blowdown exhaust pipe 35 meet at a meeting point, and are connected with a sampling pipe 37 and a drainage exhaust pipe 38 at the meeting point;
a stable water tank drain valve 45 is arranged on the stable water tank drain pipe 33;
the sampling tube is provided with a sampling valve 46.
The wastewater treated by the utility model is organic wastewater, is wastewater discharged from industries such as domestic sewage, papermaking, leather, food and the like, and is subjected to anaerobic treatment after the wastewater is subjected to buffer adjustment of water quality and water quantity in a stabilizing water tank before treatment.
The normal operation process of the wastewater anaerobic treatment pipeline system provided by the utility model is as follows:
after injecting wastewater to be treated from a drainage point into the stabilization water tank 2 from the water inlet 21 for buffer adjustment of water quality and water quantity, opening a stabilization water tank water outlet control valve 42, an anaerobic water inlet pump 52 and an anaerobic water inlet control valve 43 arranged on the anaerobic water inlet pipe 32, and injecting the wastewater to be treated into the anaerobic reactor 1 through the anaerobic water inlet pipe 32; the second check valve 62 arranged on the anaerobic water inlet pipe 32 is used for preventing the wastewater from flowing reversely, and the basket filter 8 arranged on the anaerobic water inlet pipe 32 is used for filtering large particles in the organic wastewater to be treated, so as to prevent the large particles from depositing in the anaerobic reactor 1 to influence the normal operation of the anaerobic reactor 1; the second electromagnetic flow meter 72 provided on the anaerobic feed pipe 32 is used to display the amount of wastewater to be treated entering the anaerobic reactor 1.
Opening the anaerobic reflux control valve 41, starting the anaerobic mixed liquor reflux water pump 51 to make the reflux liquid in the anaerobic reactor 1 enter the anaerobic reflux pipe 31 from the upper part of the anaerobic reactor 1, mixing the reflux liquid with the wastewater to be treated conveyed from the anaerobic water inlet pipe 32 in the anaerobic reactor water inlet mixing section 36, and entering the anaerobic reactor 1 from the lower part of the anaerobic reactor 1 for anaerobic biological treatment. The first check valve 61 is provided on the anaerobic return pipe 31 for preventing backflow of the reflux liquid or backflow of the organic wastewater to be treated along the anaerobic return pipe 31, and the first electromagnetic flow meter 71 is used for monitoring the amount of the reflux liquid entering the anaerobic reactor 1.
An on-line pH meter 9 is provided in the anaerobic reactor influent mixing section 36 for displaying the pH of the liquid entering the anaerobic reactor.
Although most of the gas (biogas) generated during the anaerobic treatment process of wastewater in the anaerobic reactor 1 will naturally float upward and be collected by the biogas collection tank 11, due to the solubility of the gas in water and the factors that the gas does not overflow into the biogas collection tank 11, part of the gas will still remain in the wastewater and enter the anaerobic return pipe 31, causing the gas to be collected in the pipeline, affecting the liquid flow state, and further affecting the stable indication of the first electromagnetic flow meter 71 and the online pH meter 9.
When the fluctuation of the readings of the first electromagnetic flowmeter 71 exceeds 0.5% of the measuring range, or the fluctuation of the readings of the online pH meter 9 exceeds 0.1, the gas products accumulated in the pipeline system influence the flow state of the liquid in the pipeline and exhaust is needed. At this time, the stabilization tank outlet control valve 42 and the anaerobic intake pump 52 are temporarily closed, and the blowdown discharge valve 44 connected to the bottom of the basket filter 8 is opened to ensure that the stabilization tank drain valve 45 and the sampling valve 46 are closed. At this time, the waste gas exhaust valve 44 is used as an exhaust control valve. After the blowdown exhaust valve 44 is opened, under the action of gravity and water pressure, the gas in the anaerobic return pipe 31 does not flow through the online pH meter 9 any more but flows through the second electromagnetic flow meter 72, the anaerobic water inlet control valve 43 and the basket filter 8 into the blowdown exhaust pipe 35 along the blowdown exhaust valve 44, and is finally discharged through the stabilization tank blowdown exhaust pipe 38 along the blowdown exhaust pipe 35. When substantially all of the exhaust is liquid, indicating that the gas has been exhausted, the blowdown exhaust valve 44 may be closed. At this time, the gas in the pipeline is completely discharged, the liquid flows in the direction of the arrow, the flow state is stable, the anaerobic mixed liquid reflux pump 51 operates normally without impact, and the readings of the first electromagnetic flowmeter 71 and the online pH meter 9 are stable.
The whole exhaust process is short in time, can be completed in a few minutes generally, and does not affect the operation of the system.
When the water sampling of the stabilization water tank 2 is used for water quality testing, the blowdown exhaust valve 44 is in a closed state, and the sampling can be performed by opening the drainage valve 45 of the stabilization water tank and the sampling valve 46.
When the water quantity in the stabilizing water tank 2 is too large and exceeds the position of the overflow pipe, the stabilizing water tank can automatically overflow, the sewage discharge exhaust valve 44, the stabilizing water tank drain valve 45 and the sampling valve 46 are all in a closed state, and overflow water automatically flows out to a drainage point through the drainage exhaust pipe 38 and cannot overflow from the stabilizing water tank 2 to pollute the surrounding environment.
When the stabilizing water tank 2 needs to drain, the blowdown exhaust valve 44 and the sampling valve 46 are both in a closed state, and the water can be drained by opening the stabilizing water tank drain valve 45. The stable water tank can be cleaned or overhauled after water is drained.
It can be seen from the above embodiments that, the waste water anaerobic treatment pipeline system provided by the utility model develops the blowoff valve of the original basket filter into a blowoff valve which can be used for exhausting and discharging sewage and is provided with an exhaust pipeline under the condition of not adding extra equipment, can exhaust a large amount of gas products contained in anaerobic reflux liquid, is beneficial to stabilizing the liquid flow state in the reflux pipe, eliminates the impact of gas on the anaerobic mixed liquid reflux pump, and solves the problems of flow meter and online pH meter indication fluctuation caused by the fluctuation; meanwhile, the multifunctional pipelines are highly integrated and simplified, the pipeline efficiency is improved, the construction cost is reduced, and the method has important practical significance.
The utility model has been explained in detail using specific embodiments, and the above description of the embodiments is only used to help understanding the core idea of the utility model. It should be understood that any obvious modifications, equivalents and other improvements made by those skilled in the art without departing from the spirit of the present invention are included in the scope of the present invention.
Claims (6)
1. A waste water anaerobic treatment pipe-line system which is characterized in that: the pipeline system comprises an anaerobic reactor, a stable water tank, an anaerobic return pipe, an anaerobic water inlet pipe, a stable water tank drain pipe, a sewage discharge exhaust pipe and an overflow pipe;
wherein, the top of the anaerobic reactor is provided with a methane collecting tank and a first access hole, the upper part of the side wall of the anaerobic reactor is provided with an anaerobic treatment water outlet, the middle part is provided with an observation hole, and the lower part is provided with a second access hole; the anaerobic return pipe is connected between the upper part and the lower part of the outer side of the side wall of the anaerobic reactor;
the top of the stable water tank is provided with a water inlet; the anaerobic water inlet pipe is connected between the lower part of the stabilizing water tank and the lower part of the anaerobic reactor;
the anaerobic water inlet pipe and the anaerobic return pipe are converged to form an anaerobic reactor water inlet mixing section before being connected with the anaerobic reactor;
the anaerobic reflux pipe is provided with an anaerobic reflux control valve, an anaerobic mixed liquid reflux water pump, a first check valve and a first electromagnetic flowmeter;
the anaerobic water inlet pipe is provided with a stable water tank water outlet control valve, an anaerobic water inlet pump, a second check valve, a basket filter, an anaerobic water inlet control valve and a second electromagnetic flow meter;
an on-line pH meter is arranged at the water inlet mixing section of the anaerobic reactor;
the upper part of the stabilizing water tank is connected with the overflow pipe, and the lower part of the stabilizing water tank is connected with the drain pipe of the stabilizing water tank;
a sewage discharge exhaust valve at the bottom of the basket filter is connected with the sewage discharge exhaust pipe; the overflow pipe, the stable water tank drain pipe and the sewage discharge exhaust pipe are intersected at an intersection point, and a sampling pipe and a water discharge exhaust pipe are connected at the intersection point;
a stable water tank drain valve is arranged on the stable water tank drain pipe;
the sampling tube is provided with a sampling valve.
2. The wastewater anaerobic treatment pipeline system according to claim 1, wherein the anaerobic mixed liquor backflow water pump, the first check valve and the first electromagnetic flow meter on the anaerobic backflow pipe are arranged in sequence along the water flow direction.
3. The wastewater anaerobic treatment pipeline system according to claim 2, wherein the anaerobic reflux control valve is arranged before the anaerobic mixed liquor reflux water pump or the anaerobic reflux control valve is arranged after the first electromagnetic flowmeter.
4. The wastewater anaerobic treatment pipeline system according to claim 1, wherein the stabilization tank effluent control valve, the anaerobic intake pump, the second check valve, the basket filter and the second electromagnetic flow meter on the anaerobic intake pipe are arranged in sequence along a water flow direction.
5. The wastewater anaerobic treatment pipeline system according to claim 4, wherein the anaerobic water inlet control valve is arranged between the basket filter and the second electromagnetic flow meter; or the anaerobic water inlet control valve is arranged between the anaerobic water inlet pump and the second check valve; or the anaerobic water inlet control valve is arranged between the second check valve and the basket filter.
6. The wastewater anaerobic treatment pipeline system according to claim 1, characterized in that the anaerobic reflux control valve is a butterfly valve or a ball valve; the water outlet control valve of the stable water tank is a ball valve or a butterfly valve; the anaerobic water inlet control valve is a ball valve or a butterfly valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123247937.3U CN216764624U (en) | 2021-12-22 | 2021-12-22 | Waste water anaerobic treatment pipeline system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123247937.3U CN216764624U (en) | 2021-12-22 | 2021-12-22 | Waste water anaerobic treatment pipeline system |
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| Publication Number | Publication Date |
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| CN216764624U true CN216764624U (en) | 2022-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123247937.3U Active CN216764624U (en) | 2021-12-22 | 2021-12-22 | Waste water anaerobic treatment pipeline system |
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| CN (1) | CN216764624U (en) |
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2021
- 2021-12-22 CN CN202123247937.3U patent/CN216764624U/en active Active
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