CN110862147A - Pulse water distribution device of leachate anaerobic UASB treatment system - Google Patents
Pulse water distribution device of leachate anaerobic UASB treatment system Download PDFInfo
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- CN110862147A CN110862147A CN201911238428.9A CN201911238428A CN110862147A CN 110862147 A CN110862147 A CN 110862147A CN 201911238428 A CN201911238428 A CN 201911238428A CN 110862147 A CN110862147 A CN 110862147A
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- siphon
- pipe
- water distribution
- water
- bin
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 200
- 238000009826 distribution Methods 0.000 title claims abstract description 105
- 238000009280 upflow anaerobic sludge blanket technology Methods 0.000 title claims abstract 7
- 230000006378 damage Effects 0.000 claims abstract description 11
- 238000007689 inspection Methods 0.000 claims abstract description 9
- 238000001914 filtration Methods 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 2
- 230000000737 periodic effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000010865 sewage Substances 0.000 description 6
- 239000012535 impurity Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000009194 climbing Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000009298 carbon filtering Methods 0.000 description 1
- 239000000149 chemical water pollutant Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/2846—Anaerobic digestion processes using upflow anaerobic sludge blanket [UASB] reactors
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/006—Water distributors either inside a treatment tank or directing the water to several treatment tanks; Water treatment plants incorporating these distributors, with or without chemical or biological tanks
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/06—Contaminated groundwater or leachate
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- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention provides a pulse water distribution device for a leachate anaerobic UASB treatment system, which comprises a water inlet device (1), an inspection manhole (2), a communicating pipe (3), an exhaust valve (4), an emptying valve (5), a main water outlet pipe (6), an equipment support (7), a water inlet bin (8), a siphon water distribution bin (9), a main water distribution pipe (10), a siphon pipe (11), an auxiliary siphon pipe (12), a damage siphon pipe (13) and a ladder (14). The pulse water distribution device is mainly used for the water inlet and distribution link of an anaerobic USAB treatment system of the domestic garbage percolate, can realize continuous water inlet and instantaneous water distribution of an anaerobic system through the rapid siphon of the device, improves the mixing effect of muddy water, and reduces the possibility of scaling, fouling and blocking of a water distribution pipeline at the bottom of an anaerobic tank.
Description
Technical Field
The invention relates to the field of anaerobic treatment of sewage, in particular to an anaerobic water inlet and distribution system for leachate.
Background
The waste sewage generated by stacking the household garbage, namely the garbage leachate, has higher organic matter content and better biodegradability. The treatment method usually adopts an upflow anaerobic treatment system (UASB) to remove a large amount of organic pollutants in the sewage. Raw water of an upflow anaerobic treatment system generally enters water from the bottom, and the requirements of uniform water distribution and proper increase of hydraulic stirring are required in the water distribution process so as to obtain a better water outlet index.
At present, the conventional water distribution adopts a 'one-pipe porous' water distribution mode, namely, raw water and inlet water of an anaerobic internal circulation system are converged into a header pipe and enter a water distribution pipeline, and the water distribution pipeline distributes water in an opening mode. The method needs less equipment and is convenient to implement, but the problems of pipeline blockage and uneven water distribution can be caused by long-term operation due to the higher alkalinity of raw leachate water. The problem of uneven water distribution can be avoided by improving the arrangement of water distribution pipelines, but because the water inlet pressure of the traditional water distribution mode can only be supplied by a water inlet lifting pump, the problem of pipeline scaling can not be well avoided, and after the pipeline is scaled, the normal operation of a sewage station can only be influenced by a method for overhauling a pool usually, and the method consumes time and labor.
The pulse water distribution device for distributing water in an anaerobic system by utilizing the siphon principle can greatly reduce the risk of scaling and dirt blockage of a water distribution pipeline at the bottom of an anaerobic tank due to the action of instantaneous water distribution. However, the suspended matters in the landfill leachate are high, the conventional pulse water distributor is usually seriously polluted and blocked after running for a period of time, and the front end of the conventional pulse water distributor is usually required to be provided with a filtering device for pretreating the inlet water of the equipment. Therefore, the water distribution device can be combined with the filtering device and the pulse water distribution device into a whole, the water distribution effect of an anaerobic system is improved, the risk of pollution and blockage of equipment is reduced, and the normal operation of the equipment is facilitated.
Disclosure of Invention
The invention provides a pulse water distribution device of a percolate anaerobic UASB treatment system, aiming at the problem that an anaerobic water distribution pipeline is easy to scale and block, comprising: the device comprises a water inlet device, an inspection manhole, a communicating pipe, an exhaust valve, an emptying valve, a main water outlet pipe, an equipment support, a water inlet bin, a siphon water distribution bin, a main water distribution pipe, a siphon pipe, an auxiliary siphon pipe, a damage siphon pipe and a ladder;
the water inlet device (1), the inspection manhole (2), the communicating pipe (3), the exhaust valve (4), the emptying valve (5), the main water outlet pipe (6), the equipment support (7) and the ladder stand (14) are connected with the shell of the pulse water distribution device; a basket type filtering device is fixed in the water inlet device (1); the main water distribution pipe (10), the siphon (11), the auxiliary siphon (12) and the destroying siphon (13) are positioned in the equipment. One end of the main water distribution pipe (10) is communicated with the siphon water distribution bin (9), the opening at the other end is communicated with the water inlet bin (8), the upper end of the siphon pipe (11) is connected with the main water distribution pipe (10), and the lower end of the siphon pipe penetrates through the chamber partition plate to be connected with the siphon water distribution bin (9). The lower end of the auxiliary siphon (12) is connected with the siphon (11), and the lower end of the destruction siphon (13) is communicated with the water inlet bin (8). The top opening of the main water distribution pipe (10) is connected with the auxiliary siphon (12) and the destruction siphon (13) in parallel and then communicated to the exhaust valve (4) in a unified way. The main water outlet pipe (6) is connected with the inside of the siphon water distribution bin (9), and the connection modes of all the points can adopt a welding mode except that the water inlet and outlet pipelines can adopt flange connection.
Furthermore, the water inlet bin is communicated with the siphon water distribution bin through the main water distribution pipe and the siphon pipe, and the water inlet bin and the siphon water distribution bin are respectively provided with an inspection manhole and an emptying valve so as to be cleaned regularly.
Furthermore, the main water distribution pipe, the siphon and the damage siphon are communicated to the same exhaust pipe.
Further, the pulse water distribution device of leachate anaerobism UASB processing system arranges in the anaerobism top of the pool, and the water outlet main pipe communicates to anaerobism bottom of the pool and links to each other with the water distributor.
The raw water flows into the water inlet bin through the water inlet device (containing a filter screen) after passing through the lift pump and the water inlet flow meter, the liquid level in the water inlet bin is gradually increased, and when the liquid level rises to the connecting position of the siphon and the main water distribution pipe, the raw water flows into the siphon from the main water distribution pipe. Because the water inflow is larger and the siphon is thinner, part of raw water rapidly flows to the siphon water distribution bin through the siphon, and the gas in the siphon flows to the auxiliary siphon. Thereby leading to the water distribution main pipe to produce the negative pressure, producing the siphon effect when the negative pressure reaches certain degree, a large amount of raw water flows into siphon water distribution storehouse, and the instantaneous water distribution of following by the water outlet main pipe reaches the water distribution pipeline of anaerobism pond bottom. When the siphon action is generated, the liquid level of the water inlet bin is sharply reduced, when the liquid level is reduced to destroy the liquid level of the siphon, the atmospheric pressure enters the water distribution main pipe, the siphon action is stopped, and then the water outlet main pipe stops water outlet. Continuous water inflow can be realized by depending on the volume of the water inlet bin, instantaneous water distribution can be realized by depending on siphon pressure and gravity action, the scaling risk of a pipeline at the bottom of the anaerobic tank can be effectively relieved by a large water distribution pressure and a pulse mode, and the stable operation of a water distribution system is ensured. In addition, the basket filter that water installations set up to and the layering of intaking storehouse and siphon water distribution storehouse arrange, can effectively intercept the suspended solid that raw water intake, reduce the risk that the sewage of water outlet main pipe leads to equipment to stop moving.
Drawings
In the drawings:
FIG. 1 is a sectional view of a pulse water distribution device of a leachate anaerobic UASB treatment system of the present invention.
FIG. 2 is a sectional view of a water inlet device in a pulse water distribution device of the leachate anaerobic UASB treatment system of the invention.
In the figure:
1. water inlet device 2, inspection manhole 3, communicating pipe 4, exhaust valve 5 and emptying valve
6. A main water outlet pipe 7, an equipment support 8, a water inlet bin 9 and a siphon water distribution bin
10. A main water distribution pipe 11, a siphon 12, an auxiliary siphon 13 and a destruction siphon
14. Climbing a ladder;
111. a water inlet pipe 112 and a filter screen.
Detailed Description
As shown in fig. 1, a pulse water distribution device of leachate anaerobic UASB treatment system comprises:
(1) a water inlet device: used for filtering the impurities in the raw water;
(2) inspection manhole: the device is used for cleaning the water inlet bin regularly;
(3) communicating pipes: the atmospheric pressure of the water inlet bin is ensured;
(4) an exhaust valve: used for flushing pipelines and periodically exhausting;
(5) an emptying valve: is used for cleaning the siphon cloth water bin;
(6) the water outlet main pipe: communicated to a water distribution pipeline at the bottom of the anaerobic tank for water outlet;
(7) equipment support: for securing the device;
(8) a water inlet bin: the device is used for raw water inflow and water storage;
(9) siphon cloth sump: used for siphon water storage;
(10) the water distribution main pipe: water is fed into the siphon bin;
(11) siphon tube: the water distribution main pipe is used for helping the water distribution main pipe to generate siphon pressure;
(12) auxiliary siphon pipe: the auxiliary siphon pipe gas is discharged upwards;
(13) destroying a siphon: the siphon is broken after the liquid level of the water inlet bin is too low;
(14) climbing a ladder: the method is used for equipment maintenance.
The pulse water distribution device of the leachate anaerobic UASB treatment system is arranged at the top of an anaerobic tank, and is generally arranged at the center of the top of the anaerobic tank for facilitating water distribution at the bottom of the tank. The sleeve pipe is reserved at the top of the pool simultaneously, so that the installation of a water outlet pipeline is facilitated. The raw water inflow flowmeter can be installed close to the pulse water distribution device, the selected flowmeter has stronger pollution resistance, and a float flowmeter is not selected. As shown in FIG. 2, a water inlet pipe 111 and a detachable filter screen 112 are arranged in the water inlet device, so that the impurities in the water are coarsely filtered, and a pressure gauge is arranged at the top of the water inlet device, so that the dirt blocking degree of the filter screen can be conveniently observed. The manhole cover plate is connected with a flange, and can be periodically detached to clean the water inlet bin. The communicating pipe is arranged for ensuring the atmospheric pressure in the water inlet bin, and an activated carbon filtering device can be arranged at the outlet of the communicating pipe in consideration of the odor of the communicating pipe. The exhaust valve can be used for regularly cleaning impurities in the pipeline and can also be used for forcibly stopping siphoning. The exhaust valve can use a ball valve, and the exhaust valve is in a closed state in normal use. The emptying valve is used for cleaning the siphon water distribution bin, the pipe diameter of the emptying valve can be properly increased, and the emptying valve is convenient to clean regularly by adopting a gate valve. All bins and pipelines inside the pulse water distribution device are connected in a welding mode, and all the bins and the pipelines need to be subjected to anti-corrosion treatment, so that the phenomenon that equipment cannot normally run due to internal rusting is prevented. The water inlet bin is communicated with the siphon water distribution bin only through the water distribution main pipe, and the siphon needs to be deep into the siphon water distribution bin and does not leak water into the water inlet bin. The siphon breaking pipe mouth position should be higher than the water suction mouth position of the water distribution main pipe to embody the siphon breaking function. The upper pipe mouth of the main water distribution pipe is slightly higher than the bottom surface of the siphon water distribution bin.
The invention has the following effects:
1. the pulse water distribution device needs no extra energy except for the arrangement of the water inlet lifting pump. By means of gravity and siphon pressure, the function of continuous water inlet and instantaneous water distribution can be realized;
2. the risk of scaling of a water distribution pipeline at the bottom of the anaerobic tank can be effectively reduced through pulse water distribution, the contraction and expansion of bottom-layer sludge are controlled, and water distribution is uniform;
3. the basket type filter screen and the water inlet bin are additionally arranged on the water inlet of the equipment and are arranged in a layered mode with the siphon water distribution bin, and the water inlet filtering device and the pulse water distribution device are combined into a whole, so that the occupied area is saved, the equipment is convenient to clean, and the pollution and blockage risk of a main water distribution pipe is reduced;
4. compared with other pulse water distribution devices, the siphon sewage of the device directly flows into the siphon water distribution bin without additionally arranging a separate siphon water collection device.
5. And in emergency, the exhaust valve can be opened to stop the operation of the pulse water distributor.
Claims (4)
1. A pulse water distribution device of a leachate anaerobic UASB treatment system comprises a water inlet device, an inspection manhole, a communicating pipe, an exhaust valve, an emptying valve, a main water outlet pipe, an equipment support, a water inlet bin, a siphon water distribution bin, a main water distribution pipe, a siphon pipe, an auxiliary siphon pipe, a damage siphon pipe and a ladder stand;
wherein the water inlet device (1), the inspection manhole (2), the communicating pipe (3), the exhaust valve (4), the emptying valve (5), the main water outlet pipe (6), the equipment support (7) and the ladder stand (14) are connected with the shell of the pulse water distribution device; a basket type filtering device is fixed in the water inlet device (1); the main water distribution pipe (10), the siphon (11), the auxiliary siphon (12) and the destruction siphon (13) are positioned in the equipment; one end of the main water distribution pipe (10) is communicated with the siphon water distribution bin (9), the opening at the other end is communicated with the water inlet bin (8), the upper end of the siphon pipe (11) is connected with the main water distribution pipe (10), and the lower end of the siphon pipe penetrates through the chamber partition plate to be connected with the siphon water distribution bin (9); the lower end of the auxiliary siphon (12) is connected with the siphon (11), and the lower end of the destruction siphon (13) is communicated with the water inlet bin (8); the top opening of the main water distribution pipe (10) is connected with an auxiliary siphon (12) and a destruction siphon (13) in parallel and then communicated to the exhaust valve (4) uniformly; the main water outlet pipe (6) is connected with the inside of the siphon water distribution bin (9), and the connection modes of all the points adopt welding forms except that the water inlet and outlet pipelines adopt flange connection.
2. The pulse water distribution device of the anaerobic UASB leachate treatment system as claimed in claim 1, wherein the inlet chamber and the siphon distribution chamber are connected via a main distribution pipe and a siphon, and the inlet chamber and the siphon distribution chamber are respectively provided with an inspection manhole and an emptying valve for periodic cleaning.
3. The pulse water distribution device of the leachate anaerobic UASB treatment system as claimed in claim 1, wherein the main water distribution pipe, the siphon and the destruction siphon are connected to the same exhaust pipe.
4. The pulse water distribution device of the anaerobic percolate UASB treatment system according to claim 1, wherein the pulse water distribution device of the anaerobic percolate UASB treatment system is arranged at the top of the anaerobic tank, and the main water outlet pipe is communicated to the bottom of the anaerobic tank and is connected with the water distribution pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911238428.9A CN110862147A (en) | 2019-12-06 | 2019-12-06 | Pulse water distribution device of leachate anaerobic UASB treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911238428.9A CN110862147A (en) | 2019-12-06 | 2019-12-06 | Pulse water distribution device of leachate anaerobic UASB treatment system |
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| CN110862147A true CN110862147A (en) | 2020-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911238428.9A Pending CN110862147A (en) | 2019-12-06 | 2019-12-06 | Pulse water distribution device of leachate anaerobic UASB treatment system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113072262A (en) * | 2021-04-23 | 2021-07-06 | 南京索科水务科技有限公司 | Combined denitrification process based on pulse type UBF + multi-stage contact oxidation + flocculation precipitation |
| CN113754056A (en) * | 2021-10-15 | 2021-12-07 | 北京首创环境科技有限公司 | Anaerobic reactor water distribution system and water distribution method |
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| CN203976472U (en) * | 2014-06-05 | 2014-12-03 | 北京基亚特环保科技有限公司 | A kind of anaerobic pulse water distribution device |
| JP2018134595A (en) * | 2017-02-22 | 2018-08-30 | 株式会社神鋼環境ソリューション | Filter device and water treatment device |
| CN109231424A (en) * | 2018-09-28 | 2019-01-18 | 深圳市万信达生态环境股份有限公司 | A kind of controllable water distribution system suitable for Sewage Biological Treatment |
| CN208814734U (en) * | 2018-05-30 | 2019-05-03 | 南京护航环保科技有限公司 | A kind of hydrolysis acidification pool pulse water distribution device |
-
2019
- 2019-12-06 CN CN201911238428.9A patent/CN110862147A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203976472U (en) * | 2014-06-05 | 2014-12-03 | 北京基亚特环保科技有限公司 | A kind of anaerobic pulse water distribution device |
| JP2018134595A (en) * | 2017-02-22 | 2018-08-30 | 株式会社神鋼環境ソリューション | Filter device and water treatment device |
| CN208814734U (en) * | 2018-05-30 | 2019-05-03 | 南京护航环保科技有限公司 | A kind of hydrolysis acidification pool pulse water distribution device |
| CN109231424A (en) * | 2018-09-28 | 2019-01-18 | 深圳市万信达生态环境股份有限公司 | A kind of controllable water distribution system suitable for Sewage Biological Treatment |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113072262A (en) * | 2021-04-23 | 2021-07-06 | 南京索科水务科技有限公司 | Combined denitrification process based on pulse type UBF + multi-stage contact oxidation + flocculation precipitation |
| CN113072262B (en) * | 2021-04-23 | 2023-08-22 | 南京索科水务科技有限公司 | Combined denitrification process based on pulse UBF+multistage contact oxidation+flocculation precipitation |
| CN113754056A (en) * | 2021-10-15 | 2021-12-07 | 北京首创环境科技有限公司 | Anaerobic reactor water distribution system and water distribution method |
| CN113754056B (en) * | 2021-10-15 | 2022-07-15 | 北京首创环境科技有限公司 | Anaerobic reactor water distribution system and water distribution method |
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Application publication date: 20200306 |