CN210021756U - Leachate microfiltration and filtration system - Google Patents
Leachate microfiltration and filtration system Download PDFInfo
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- CN210021756U CN210021756U CN201920590286.1U CN201920590286U CN210021756U CN 210021756 U CN210021756 U CN 210021756U CN 201920590286 U CN201920590286 U CN 201920590286U CN 210021756 U CN210021756 U CN 210021756U
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- filtration
- water tank
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- 238000001471 micro-filtration Methods 0.000 title claims abstract description 65
- 238000001914 filtration Methods 0.000 title claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 112
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 238000004140 cleaning Methods 0.000 claims description 11
- 238000005406 washing Methods 0.000 claims description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims 1
- 239000000149 chemical water pollutant Substances 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 8
- 239000007788 liquid Substances 0.000 abstract description 7
- 239000012528 membrane Substances 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 2
- 239000008187 granular material Substances 0.000 abstract description 2
- 229910052760 oxygen Inorganic materials 0.000 abstract description 2
- 239000001301 oxygen Substances 0.000 abstract description 2
- 239000013618 particulate matter Substances 0.000 abstract description 2
- 239000007787 solid Substances 0.000 abstract description 2
- 238000004065 wastewater treatment Methods 0.000 abstract description 2
- 238000001728 nano-filtration Methods 0.000 description 10
- 239000000126 substance Substances 0.000 description 6
- 238000011001 backwashing Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 231100000357 carcinogen Toxicity 0.000 description 1
- 239000003183 carcinogenic agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 210000004916 vomit Anatomy 0.000 description 1
- 230000008673 vomiting Effects 0.000 description 1
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model relates to a waste water treatment technical field especially relates to filtration liquid microfiltration filtration system, produce the water tank and wash the water tank including micro-filtration water tank, micro-filtration, be equipped with the water inlet on the micro-filtration water tank, water inlet and good oxygen pond intercommunication are equipped with the coarse strainer on the water inlet, are equipped with a plurality of micro-filtration filters in the micro-filtration water tank, micro-filtration filter contains the filter core, is equipped with the outlet pipe of intercommunication filter core inner chamber and filter core exterior space on the filter core, is equipped with the three-way pipe on the outlet pipe, the three-way pipe is through producing water piping and micro-filtration and producing water tank intercommunication, is equipped with first stop valve and suction pump on producing water piping, and. When the utility model discloses when the application was in landfill leachate treatment process, have effective filtration and fall big particulate matter and suspended solid in the filtration liquid, prevent that the granular material of trace in the filtration liquid from causing the jam to receive the filter membrane.
Description
Technical Field
The utility model relates to a waste water treatment technical field especially relates to a filtration liquid microfiltration filtration system.
Background
Urban garbage is a great problem in urban environment management. The landfill leachate of refuse transfer stations, incineration plants or landfill sites is composed of various compounds and rotten matters of vomit, contains BOD, COD, nitrogen-containing compounds, phosphorus-containing compounds, organic halides, sulfides, inorganic salts and the like with extremely high concentration, has foul smell and is a few carcinogens. If the water body is discharged, the environment is polluted, the water is dissolved into the ground, and the water source is polluted, so that the urban environment and the human health are greatly damaged.
In order to reduce the harm of the discharge of the landfill leachate to the environment, the landfill leachate needs to be treated, the current landfill leachate treatment process flow is generally the discharge of an anaerobic tank, an aerobic tank, a microfiltration system, a nanofiltration system, a reverse osmosis system, the large granular substances and suspended substances in the percolate can cause blockage of a nanofiltration membrane of the nanofiltration system and can not be cleaned well, in order to reduce the blockage of the nanofiltration membrane caused by large particulate matters in the percolate, the percolate needs to be filtered before entering the nanofiltration system, the filtration of the landfill leachate is an important step in the whole process, and the filtration can effectively filter large granular substances and suspended substances in the leachate, so that the blockage and damage of the large granular substances and the suspended substances in the leachate to the nanofiltration membrane in the nanofiltration system are prevented.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a one set of microfiltration filtration system to filter filtration liquid before entering into the nanofiltration system, hold back big particulate matter, biological bacterial and the suspended solid in filtration liquid, in order to realize above-mentioned purpose, the utility model provides a scheme as follows:
percolate microfiltration filtration system, including microfiltration water tank, microfiltration product water tank and washing water tank, be equipped with a plurality of microfiltration filter in the microfiltration water tank, microfiltration filter contains the filter core, is equipped with the outlet pipe of intercommunication filter core inner chamber and filter core exterior space on the filter core, is equipped with the three-way pipe on the outlet pipe, the water tank intercommunication is produced through producing water pipeline and microfiltration to the three-way pipe, produces and is equipped with first stop valve and suction pump on the water pipeline, and the three-way pipe is equipped with second stop valve and back flush pump through washing water pipeline and washing water tank intercommunication on the washing water pipeline.
The utility model discloses basic scheme's principle and beneficial effect lie in:
the method comprises the following steps that (1) percolate obtained after nitrification in an aerobic pool is filtered by a coarse filter screen and then enters a micro-filtration water tank, a first stop valve is opened, a second stop valve is closed, after the percolate submerges a filter element, a suction pump is operated to pump away percolate in an inner cavity of the filter element, the pumped percolate flows into a micro-filtration water production tank through a water production pipeline, and when the percolate enters the inner cavity of the filter element from the outside of the filter element, the filter element intercepts large particulate matters, biological strains and suspended matters outside the filter element; when the filtered dirt is attached to the outside of the filter element to reach a certain amount, the suction pump and the first stop valve are closed, the second stop valve is opened, the backwashing pump is operated, the water body in the cleaning water tank is pressed into the inner cavity of the filter element through the cleaning water pipeline by the backwashing pump, so that the water pressure of the inner cavity of the filter element is increased, the water body in the inner cavity is flushed out of the filter element through the filter holes in the filter element, and the dirt attached to the filter holes of the filter element is flushed.
Further, as the optimization of basic scheme, be equipped with the confined shell of filter core outside the filter core, shell and filter core fixed connection are equipped with a plurality of through-holes on the shell. The shell plays a role in protecting the filter element from being damaged by impact of foreign objects.
Further, the filter core includes the support body, the support body is both ends confined barrel, be equipped with a plurality of vertical slot holes on the barrel lateral wall, the outer continuous winding of support body lateral wall has the steel wire, is equipped with the clearance between the adjacent steel wire.
The conventional steel wire mesh is replaced by a continuous winding mode, a plurality of independent meshes are replaced by continuous strip gaps, and the filtering rate of the strip gaps is larger than that of the independent meshes under the condition of the same filtering diameter.
Further, as the optimization of basic scheme, fall into multiunit filter group with the microfilter filter in the microfiltration water tank, set up manual ball valve on every microfilter filter's the outlet pipe, the outlet pipe of the microfilter filter in every group filter group connects in parallel the back again with produce the water pipe and wash water pipe intercommunication, each group filter group produces water tank intercommunication through the product water pipeline and the microfiltration of independent serial number, all is connected with corresponding suction pump and the first stop valve that corresponds on each independent serial number product water pipeline.
When any one of the microfiltration filters stops working due to faults, the corresponding manual ball valve can be closed and then maintained without influencing the operation of the whole system, and each group can be independently filtered without influencing each other, so that the continuous working capacity of the system is improved.
Further, the steel wire, the frame body, the shell, the spiral guide plate, the water production pipeline, the cleaning water pipeline and the microfiltration water production tank are all made of stainless steel. Because the landfill leachate has corrosivity, the service life of the leachate microfiltration and filtration system can be prolonged by using stainless steel materials for manufacturing.
Furthermore, a water outlet is arranged at the bottom of the microfiltration production tank, a water drain pipe is arranged at the water outlet, and a third stop valve is arranged on the water drain pipe. And guiding the filtered percolate into the next working procedure for treatment through a water outlet, and setting a third stop valve to control the conveying of the percolate.
Further, the gap distance between two adjacent steel wires is 80 to 150 micrometers. The particles with the diameter of 80-150 microns can cause blockage of a nanofiltration membrane in the next landfill leachate treatment process, and the particles with the diameter of 80-150 microns need to be filtered.
Drawings
Fig. 1 is the structure schematic diagram of the microfiltration and filtration system of the utility model.
Fig. 2 is a schematic view of the structure of the microfiltration filter.
Fig. 3 is an enlarged view of a portion a in fig. 2.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a microfiltration water tank 11, a water inlet 12, a coarse filter screen 121, a filter 13, a frame body 131, a water outlet pipe 132, a steel wire 133, a long hole 134, a gap 135, a shell 136, a through hole 137, a three-way pipe 14, a manual ball valve 15, a water production pipeline 16, a suction pump 17, a first stop valve 18, a microfiltration water production tank 21, a water discharge pipe 22, a third stop valve 23, a cleaning water tank 31, a cleaning water pipeline 32, a back flush pump 33, a second stop valve 34 and an aerobic tank 41.
Leachate microfiltration filtration system, as shown in fig. 1, including microfiltration water tank 11, microfiltration product water tank 21 and washing water tank 31, the last water inlet 12 and the good oxygen pond 41 intercommunication of passing through of microfiltration water tank 11 are equipped with in the water inlet 12 and are used for intercepting the interior coarse granule of leachate rough strainer 121.
Be equipped with 2 groups of filter group in the microfiltration water tank 11, every group filter group contains 4 microfiltration filter 13, as shown in fig. 2, microfiltration filter 13 contains the filter core, the filter core is equipped with the shell 136 with the filter core parcel outward, shell 136 and filter core fixed connection, be equipped with a plurality of through-holes 137 that hold the filtration liquid business turn over on the shell 136, the filter core includes support body 131, support body 131 is both ends confined barrel, be equipped with a plurality of vertical slot hole 134 on the barrel lateral wall, the outer continuous winding of support body 131 lateral wall has steel wire 133, as shown in fig. 3, be equipped with clearance 135 between adjacent steel wire 133, the scope of clearance 135's distance is 80 microns to 150 microns, the particle of diameter 80 microns to 150 microns more can cause the jam to the nanofiltration membrane in the landfill leachate treatment process of next step, need to filter the particle.
As shown in fig. 1, the filter element is provided with a water outlet pipe 132 for communicating the inner cavity of the filter element with the outer space of the housing 136, the water outlet pipes 132 of the micro-filtration filters 13 in each group of filter groups are connected in parallel and then connected in series with the three-way pipe 14, the three-way pipe 14 is communicated with the micro-filtration product water tank 21 through the product water pipe 16, the product water pipe 16 is provided with a first stop valve 18 and a suction pump 17, the three-way pipe 14 is communicated with the cleaning water tank 31 through the cleaning water pipe 32, the cleaning water pipe 32 is provided with a second stop valve 34 and a back flush pump 33, each group of filter groups is communicated with the micro-filtration product water tank 21 through the product water pipe 16 with independent number, each product water pipe 16 with independent number is connected with the corresponding suction pump 17 and the corresponding first stop valve 18, so that when any one of the micro-filtration filters 13 stops working due to a, each group can be filtered independently without mutual influence, and the continuous working capacity of the system is further improved.
The bottom of the microfiltration product water tank 21 is provided with a water outlet, the water outlet is connected with a water discharge pipe 22, and the water discharge pipe 22 is provided with a third stop valve 23 for controlling the discharge of percolate.
Because landfill leachate has corrosivity, consequently steel wire 133, support body 131, shell 136, produce water pipeline 16, wash water pipeline 32 and microfiltration and produce the water tank 21 and be the subassembly of making by stainless steel, can prolong the life of leachate microfiltration filtration system.
The working process of the utility model is as follows:
the second stop valve 34 and the third stop valve 23 are closed, the first stop valve 18 and all the manual ball valves 15 are opened, the nitrified percolate in the aerobic pool 41 enters the micro-filtration water tank 11 after being filtered by the coarse filter screen 121, after the percolate submerges the filter 13, the suction pump 17 is operated to pump the percolate in the inner cavity of the filter element, the pumped percolate flows into the micro-filtration water tank 21 through the water production pipeline 16, and when the percolate enters the inner cavity of the filter element from the outside of the filter element, the filter element intercepts large particulate matters, biological strains and suspended matters outside the filter element.
When the filtered dirt is attached to the outside of the filter element to a certain amount, the suction pump 17 and the first stop valve 18 are closed, the second stop valve 34 is opened, the backwashing pump 33 is operated, the backwashing pump 33 presses the water in the cleaning water tank 31 into the inner cavity of the filter element through the cleaning water pipeline 32 to increase the water pressure of the inner cavity of the filter element, so that the water in the inner cavity is flushed out of the filter element through the filter holes on the filter element, and the dirt attached to the filter holes of the filter element is flushed away.
When a certain microfiltration filter 13 stops working due to a fault, the corresponding manual ball valve 15 can be closed and then maintained without influencing the operation of the whole system, and similarly, the first stop valve 18 corresponding to a certain group of filtering groups can be closed to stop working of the group of filtering groups, so that the filtering groups can be independently filtered and do not influence each other, and the continuous working capacity of the system is improved.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (7)
1. Leachate microfiltration filtration system, including microfiltration water tank, microfiltration product water tank and washing water tank, its characterized in that: be equipped with a plurality of microfiltration filter in the microfiltration water tank, the microfiltration filter contains the filter core, is equipped with the outlet pipe of intercommunication filter core inner chamber and filter core exterior space on the filter core, is equipped with the three-way pipe on the outlet pipe, the three-way pipe is through producing water piping and microfiltration product water tank intercommunication, is equipped with first stop valve and suction pump on producing the water piping, and the three-way pipe is through washing water piping and washing water tank intercommunication, is equipped with second stop valve and back flush pump on the washing water piping.
2. The percolate microfiltration filtration system according to claim 1, wherein: the filter core includes the support body, the support body is both ends confined barrel, be equipped with a plurality of vertical slot holes on the barrel lateral wall, the outer continuous winding of support body lateral wall has the steel wire, is equipped with the clearance between the adjacent steel wire.
3. The percolate microfiltration filtration system according to claim 2 wherein: divide into the multiunit filter group with the microfilter filter in the microfiltration water tank, set up manual ball valve on every microfilter filter's the outlet pipe, the outlet pipe of the microfilter filter in every group filter group connects in parallel the back again with produce the water pipe and wash water pipe intercommunication, and water pipe way and the microfilter product water tank intercommunication are produced through the product water pipeline of independent serial number to each group filter group, all is connected with corresponding suction pump and the first stop valve that corresponds on each independent serial number product water pipeline.
4. The percolate microfiltration filtration system according to claim 3 wherein: the steel wire, the frame body, the shell, the spiral guide plate, the water production pipeline, the cleaning water pipeline and the micro-filtration water production tank are all components made of stainless steel.
5. The percolate microfiltration filtration system according to claim 4, wherein: a water outlet is arranged at the bottom of the microfiltration production tank, a water discharge pipe is arranged at the water outlet, and a third stop valve is arranged on the water discharge pipe.
6. The percolate microfiltration filtration system according to claim 5 wherein: the gap distance between two adjacent steel wires is 80-150 microns.
7. The percolate microfiltration filtration system according to claim 6, wherein: the filter element is externally provided with a shell for sealing the filter element, the shell is fixedly connected with the filter element, and the shell is provided with a plurality of through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920590286.1U CN210021756U (en) | 2019-04-26 | 2019-04-26 | Leachate microfiltration and filtration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920590286.1U CN210021756U (en) | 2019-04-26 | 2019-04-26 | Leachate microfiltration and filtration system |
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| Publication Number | Publication Date |
|---|---|
| CN210021756U true CN210021756U (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920590286.1U Active CN210021756U (en) | 2019-04-26 | 2019-04-26 | Leachate microfiltration and filtration system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118594260A (en) * | 2024-08-06 | 2024-09-06 | 内蒙古驴哥乳业有限公司 | A microfiltration sterilization device for active donkey milk |
-
2019
- 2019-04-26 CN CN201920590286.1U patent/CN210021756U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118594260A (en) * | 2024-08-06 | 2024-09-06 | 内蒙古驴哥乳业有限公司 | A microfiltration sterilization device for active donkey milk |
| CN118594260B (en) * | 2024-08-06 | 2024-10-11 | 内蒙古驴哥乳业有限公司 | A microfiltration sterilization device for active donkey milk |
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