CN104998453A - Automatic pollution discharge backwashing vertical-type hollow stainless steel filter core assembly and use method thereof - Google Patents
Automatic pollution discharge backwashing vertical-type hollow stainless steel filter core assembly and use method thereof Download PDFInfo
- Publication number
- CN104998453A CN104998453A CN201510368932.6A CN201510368932A CN104998453A CN 104998453 A CN104998453 A CN 104998453A CN 201510368932 A CN201510368932 A CN 201510368932A CN 104998453 A CN104998453 A CN 104998453A
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- stainless steel
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- filter core
- sewage draining
- draining exit
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- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 105
- 239000010935 stainless steel Substances 0.000 title claims abstract description 105
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000011001 backwashing Methods 0.000 title abstract 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 238000001914 filtration Methods 0.000 claims abstract description 13
- 239000000126 substance Substances 0.000 claims abstract description 6
- 239000010865 sewage Substances 0.000 claims description 26
- 239000000463 material Substances 0.000 claims description 15
- 238000005245 sintering Methods 0.000 claims description 8
- 239000004744 fabric Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 238000000746 purification Methods 0.000 claims description 4
- 230000033558 biomineral tissue development Effects 0.000 claims description 3
- 239000012141 concentrate Substances 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 3
- 150000003384 small molecules Chemical class 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 3
- 229920002521 macromolecule Polymers 0.000 abstract description 2
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 239000012528 membrane Substances 0.000 description 6
- 239000002253 acid Substances 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- -1 Kynoar Polymers 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011118 depth filtration Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000012510 hollow fiber Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005555 metalworking Methods 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
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- Filtering Materials (AREA)
Abstract
The invention discloses an automatic pollution discharge backwashing vertical-type hollow stainless steel filter core assembly and a use method thereof. The automatic pollution discharge backwashing vertical-type hollow stainless steel filter core assembly comprises a vertical-type hollow stainless steel cylinder. The vertical-type hollow stainless steel cylinder comprises a middle layer stainless steel outer skeleton and an outer vertical-type stainless steel hollow pipe. The middle layer stainless steel outer skeleton is arranged in the outer vertical-type stainless steel hollow pipe. The middle layer stainless steel outer skeleton is provided with a stainless steel filter core. One side of the vertical-type hollow stainless steel cylinder is provided with a water outlet and the other side of the vertical-type hollow stainless steel cylinder is provided with a drain outlet. The vertical-type hollow stainless steel cylinder is provided with a water outlet. A backwashing water pump is arranged at the water outlet. In use, the automatic pollution discharge backwashing vertical-type hollow stainless steel filter core assembly adopts a vertical type discharge method, a water inlet is arranged at the upper part and the drain outlet is arranged at the lower part. The automatic pollution discharge backwashing vertical-type hollow stainless steel filter core assembly can effectively remove macro-molecule substances suspending in water, has good filtration effects, is reliable in operation, can be operated simply and conveniently, realizes automatic on-line cleaning, is free of an agent and reduces secondary pollution.
Description
Technical field
The present invention relates to filter core field, specifically a kind of can automatic pollution discharge and the vertical hollow stainless steel element kit of backwash and the method for on-line auto-cleaning and backwash.
Background technology
The common filter core of existing one is all one end water inlet, filters out dislysate through filter core, and filter core uses a period of time all will pull down cleaning or change, and cannot carry out on-line automatic blowdown and backwash, filter core is limited for service life, uses trouble and cost is higher.Another kind of ultrafiltration membrane technique, as novel fluid separation techniques, it can carry out on-line automatic blowdown and backwash, but concentration polarization and fouling membrane are the Main Bottlenecks of its development of restriction, concentration polarization is that the local concentration increase of film surface causes boundary layer fluid resistance to increase, and causes the phenomenon that mass transfer force declines.Fouling membrane can cause the transparent liquid amount of film obviously to decline, and causes equipment cost to rise thus, and product quality declines, the shortening in service life of film grade for series of problems.Because feed liquid just starts once pollute with film contact membranes, fouling membrane is unavoidable.For milipore filter, the material that it adopts mainly contains the polyvinyl alcohol, modified acrylic polymer etc. of cellulose and its derivates, Merlon, polyvinyl chloride, Kynoar, polysulfones, polyacrylonitrile, polyamide, polysulfonamides, SPSF, interlinkage, these materials are comparatively short of in high-low temperature resistant, strong acid-base resistance, and cost price is high.If China Patent Publication No. is that CN103566765A discloses a kind of Novel hollow fiber membrane filter element, China Patent Publication No. is the environmental protection drinking water machine etc. that CN103663603A discloses a kind of anticlogging polyethylene film layer active carbon filter core.
For with the upper filter state of the art, one is not yet developed in this area can be applicable to comprehensive high-low temperature resistant, strong acid-base resistance, and make whole filter core inside and outside wall and filter opening all obtain automatic on-line cleaning thoroughly and instead to clean, simultaneously without the need to the use of medicament, reduce secondary pollution, can the low cost product of Long-Time Service and cleaning method.Therefore, low cost and can the filter core in high-low temperature resistant, the material for core of strong acid-base resistance and filter core running to pollute be the important directions of research at present.
Summary of the invention
The object of the present invention is to provide and reduce secondary pollution, the vertical hollow stainless steel element kit of automatic pollution discharge backwash that cost is low and using method thereof, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention provides following technical scheme:
The vertical hollow stainless steel element kit of automatic pollution discharge backwash, comprise vertical hollow stainless steel cylinder, vertical hollow stainless steel cylinder comprises middle level stainless steel purchasing ore and the vertical stainless steel hollow tube of skin, middle level stainless steel purchasing ore is arranged at outer vertical stainless steel hollow tube, middle level stainless steel purchasing ore is provided with stainless steel filter core, the side of vertical hollow stainless steel cylinder is provided with water inlet, water inlet is provided with water inlet valve, the opposite side of vertical hollow stainless steel cylinder is provided with sewage draining exit, sewage draining exit is provided with sewage draining exit pressure regulating valve and pressure switch, sewage draining exit pressure regulating valve is used for regulating the water outlet size of sewage draining exit, vertical hollow stainless steel cylinder is also provided with delivery port, and delivery port is provided with backwash pump.
As the further scheme of the present invention: have screen cloth or sintering filter screen in described stainless steel filter core.
As the further scheme of the present invention: the material of described middle level stainless steel purchasing ore, outer vertical stainless steel hollow tube and stainless steel filter core all adopts SUS304L or more than SUS316 material.
As the further scheme of the present invention: adopt vertical discharge during use, water inlet is on top, sewage draining exit is in bottom, when the pressure of water inlet is greater than the hydraulic pressure of sewage draining exit, both sides mineralization pressure is poor, with the pressure differential of stainless steel filter core both sides for driving force, with stainless steel filter core for filter medium, when stoste flows through stainless steel cartridge surface, the micropore of stainless steel cartridge surface only allows water and small-molecule substance pass through and become dislysate, the material that in stoste, volume is greater than stainless steel cartridge surface micropore diameter is then trapped within the liquid feeding side of stainless steel filter core, become concentrate, realize the purification to stoste, the object of isolation and identification, meanwhile, vertical discharge makes pollution automatically drop to sewage draining exit, utilizes the pressure of water inlet, automatically pollution is discharged vertical hollow stainless steel cylinder external, when the dialysance of the screen cloth on stainless steel filter core or sintering filter screen reaches certain pressure value, this force value sets corresponding force value according to different filtration liquids, pressure switch starts backwash pump automatically, the water back suction of delivery port is back to stainless steel filter core, the water inlet valve closing of water inlet, pollution on screen cloth or sintering filter screen drops automatically, and to discharge vertical hollow stainless steel cylinder at sewage draining exit external, stainless steel filter-core back-flushing wash clean.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention effectively can remove solid, iron powder, colloid, suspension, silt, larger molecular organics etc. the macromolecular substances suspended in water, and good filtration effect is reliable, simple to operation.The present invention can be applicable to high temperature resistant, low temperature resistant, resistance to strong acid and resistance to highly basic comprehensively, and make whole inside and outside wall of the present invention and filter opening all obtain automatic on-line cleaning thoroughly, simultaneously without the need to the use of medicament, reduce secondary pollution, can the vertical hollow stainless steel element kit of low cost of Long-Time Service and cleaning method.One time low cost drops into, and long term zero cost consumptive material uses.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure: the outer vertical stainless steel hollow tube of 1-vertical hollow stainless steel cylinder, 2-water inlet, 3-delivery port, 4-sewage draining exit, 5-stainless steel filter core, 6-sewage draining exit pressure regulating valve, 7-pressure switch, 8-backwash pump, 9-water inlet valve, 10-middle level stainless steel purchasing ore, 11-.
Detailed description of the invention
Below in conjunction with the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1
In the embodiment of the present invention, the vertical hollow stainless steel element kit of automatic pollution discharge backwash, comprise vertical hollow stainless steel cylinder 1, vertical hollow stainless steel cylinder 1 comprises middle level stainless steel purchasing ore 10 and the vertical stainless steel hollow tube 11 of skin, it is inner that middle level stainless steel purchasing ore 10 is arranged at outer vertical stainless steel hollow tube 11, middle level stainless steel purchasing ore 10 is provided with stainless steel filter core 5, the side of vertical hollow stainless steel cylinder 1 is provided with a water inlet 2, the opposite side of vertical hollow stainless steel cylinder 1 is provided with a sewage draining exit 4, vertical hollow stainless steel cylinder 1 surrounding is delivery port 3.Wherein sewage draining exit 4 is provided with a sewage draining exit pressure regulating valve 6, when the pressure of water inlet 2 is greater than the hydraulic pressure of sewage draining exit 4, both sides mineralization pressure is poor, with the pressure differential of stainless steel filter core 5 both sides for driving force, with stainless steel filter core 5 for filter medium, under pressure, when stoste flows through stainless steel filter core 5 surface, the many tiny micropore gathered in stainless steel filter core 5 surface only allows water and small-molecule substance pass through and become dislysate, the material that in stoste, volume is greater than stainless steel filter core 5 surface micropore footpath is then trapped within the liquid feeding side of stainless steel filter core 5, become concentrate, thus the purification to stoste is realized, the object of isolation and identification.The much bigger colloid, iron powder, suspension, silt, larger molecular organics etc. of volume can be retained down by stainless steel filter core 5, thus achieve purification process, vertical discharge, be conducive to pollution and automatically drop to sewage draining exit 4, utilize the pressure of water inlet 2, automatically outside pollution discharge pipe.When the dialysance of screen pack reaches certain pressure value, back purge system can be started, a backwash pump 8 is provided with in delivery port 3 side, the water back suction of delivery port 3 is back to stainless steel filter core 5, the water inlet valve 9 of water inlet 2 is closed, pollution on filter screen drops outside sewage draining exit 4 discharge pipe from filter screen automatically, and stainless steel filter core 5 backwash is clean, can repeat unlimited use.
Stainless steel filter core 5 can be divided into inner pressed and external-compression type hollow stainless steel filter core according to hydraulic pressure direction, and have screen cloth or sintering filter screen in stainless steel filter core 5, sintering filter screen belongs to in-depth filtration.Appearance and size can be produced as requested.
Characteristic of the present invention:
1) high strength: there is high mechanical strength and compressive resistance;
2) high accuracy: all can play homogeneous surface filtration performance to the grade of filtration of 2-200 μm at present, from now on along with the raising of manufacturing technology level, can further improve filtering accuracy;
3) heat resistance: can be resistance to for from-200 DEG C of continuous filtrations of 650 DEG C at the most;
4) acid and alkali-resistance: can strong alkali-acid resistance, Standard: more than SUS316L material;
5) cleaning: owing to adopting both surface filtration structure, the cleaning of splendid backwash effect simple, service life is extremely long, and use cost is low;
6) having good penetrability, intensity is high, without the need to increasing supporting construction, definitely not having material falls back phenomenon, corrosion resistance is strong, be easy to cleaning, not fragile, filtering accuracy is 1 μm ~ 300 μm in theory at present.
Main application of the present invention:
1) dispersion coolant is made for hot environment;
2) for distribution of gas, fludizied bed orifice plate material;
3) for high accuracy, highly reliable high-temperature-resistant filtering material;
4) for high pressure backwash oil strainer;
5) for the filtration of polyester, oil product, alkali wash water, emulsion, metal working fluid, food and drink, chemical industry and chemical fiber product, also for the filtration such as water treatment and gas.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.
In addition, be to be understood that, although this description is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should by description integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (4)
1. the vertical hollow stainless steel element kit of automatic pollution discharge backwash, comprise vertical hollow stainless steel cylinder (1), it is characterized in that, vertical hollow stainless steel cylinder (1) comprises middle level stainless steel purchasing ore (10) and the vertical stainless steel hollow tube (11) of skin, it is inner that middle level stainless steel purchasing ore (10) is arranged at outer vertical stainless steel hollow tube (11), middle level stainless steel purchasing ore (10) is provided with stainless steel filter core (5), the side of vertical hollow stainless steel cylinder (1) is provided with water inlet (2), water inlet (2) is provided with water inlet valve (9), the opposite side of vertical hollow stainless steel cylinder (1) is provided with sewage draining exit (4), sewage draining exit (4) is provided with sewage draining exit pressure regulating valve (6) and pressure switch (7), sewage draining exit pressure regulating valve (6) be used for regulate sewage draining exit (4) water outlet size, vertical hollow stainless steel cylinder (1) is also provided with delivery port (3), and delivery port (3) is provided with backwash pump (8).
2. the vertical hollow stainless steel element kit of automatic pollution discharge backwash according to claim 1, is characterized in that, has screen cloth or sintering filter screen in stainless steel filter core (5).
3. the vertical hollow stainless steel element kit of automatic pollution discharge backwash according to claim 1, it is characterized in that, the material of described middle level stainless steel purchasing ore (10), outer vertical stainless steel hollow tube (11) and stainless steel filter core (5) all adopts SUS304L or more than SUS316L material.
4. the using method of the vertical hollow stainless steel element kit of the automatic pollution discharge backwash as described in as arbitrary in claim 1-3, it is characterized in that, vertical discharge is adopted during use, water inlet (2) is on top, sewage draining exit (4) is in bottom, when the pressure of water inlet (2) is greater than the hydraulic pressure of sewage draining exit (4), both sides mineralization pressure is poor, with the pressure differential of stainless steel filter core (5) both sides for driving force, with stainless steel filter core (5) for filter medium, when stoste flows through stainless steel filter core (5) surface, the micropore on stainless steel filter core (5) surface only allows water and small-molecule substance pass through and become dislysate, the material that in stoste, volume is greater than stainless steel filter core (5) surface micropore footpath is then trapped within the liquid feeding side of stainless steel filter core (5), become concentrate, realize the purification to stoste, the object of isolation and identification, meanwhile, vertical discharge makes pollution automatically drop to sewage draining exit (4), utilizes the pressure of water inlet (2), automatically pollution is discharged vertical hollow stainless steel cylinder (1) outward, when the dialysance of the screen cloth on stainless steel filter core (5) or sintering filter screen reaches certain pressure value, this force value sets corresponding force value according to different filtration liquids, pressure switch starts backwash pump (8) automatically, the water back suction of delivery port (3) is back to stainless steel filter core (5), the water inlet valve (9) of water inlet (2) is closed, pollution on screen cloth or sintering filter screen automatically drops and discharges vertical hollow stainless steel cylinder (1) outward at sewage draining exit (4), and stainless steel filter core (5) backwash is clean.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510368932.6A CN104998453A (en) | 2015-06-30 | 2015-06-30 | Automatic pollution discharge backwashing vertical-type hollow stainless steel filter core assembly and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510368932.6A CN104998453A (en) | 2015-06-30 | 2015-06-30 | Automatic pollution discharge backwashing vertical-type hollow stainless steel filter core assembly and use method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN104998453A true CN104998453A (en) | 2015-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510368932.6A Pending CN104998453A (en) | 2015-06-30 | 2015-06-30 | Automatic pollution discharge backwashing vertical-type hollow stainless steel filter core assembly and use method thereof |
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| CN (1) | CN104998453A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105219624A (en) * | 2015-10-30 | 2016-01-06 | 四川蒙特新能源科技有限公司 | A kind of biogas anaerobic pond impact type feed system |
| CN105255725A (en) * | 2015-10-30 | 2016-01-20 | 四川蒙特新能源科技有限公司 | Full-automatic feeding biogas anaerobic tank system with high raw material utilization ratio |
| CN105296334A (en) * | 2015-10-30 | 2016-02-03 | 四川蒙特新能源科技有限公司 | System capable of making biogas through multiple fermenting materials |
| CN105296335A (en) * | 2015-10-30 | 2016-02-03 | 四川蒙特新能源科技有限公司 | Biogas-digester fermentation feeding device |
| CN107162104A (en) * | 2017-05-15 | 2017-09-15 | 东南大学 | A kind of backwash portable filtration unit for water-oil separating |
| CN109758806A (en) * | 2019-01-18 | 2019-05-17 | 李艺 | A kind of inside and outside double-layer leaching net and inside and outside sieve pore cartridge type serialization Efficient dehydrator |
| CN111087042A (en) * | 2019-12-11 | 2020-05-01 | 芜湖成德龙过滤设备有限公司 | Filter core and filter with PTFE filter membrane |
| CN111526932A (en) * | 2017-12-28 | 2020-08-11 | 株式会社村田制作所 | Separation and recovery system and separation and recovery method |
| CN111773802A (en) * | 2020-08-06 | 2020-10-16 | 淮南矿业(集团)有限责任公司 | A kind of high-pressure water filtration method |
| CN111773801A (en) * | 2020-08-06 | 2020-10-16 | 淮南矿业(集团)有限责任公司 | A high-pressure water pressure-resistant filter device |
| CN113368599A (en) * | 2021-08-16 | 2021-09-10 | 北京市一滴水环保科技有限公司 | Water treatment filtration system |
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| CN103933768A (en) * | 2013-01-22 | 2014-07-23 | 徐根富 | Self-cleaning filter |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105255725A (en) * | 2015-10-30 | 2016-01-20 | 四川蒙特新能源科技有限公司 | Full-automatic feeding biogas anaerobic tank system with high raw material utilization ratio |
| CN105296334A (en) * | 2015-10-30 | 2016-02-03 | 四川蒙特新能源科技有限公司 | System capable of making biogas through multiple fermenting materials |
| CN105296335A (en) * | 2015-10-30 | 2016-02-03 | 四川蒙特新能源科技有限公司 | Biogas-digester fermentation feeding device |
| CN105219624A (en) * | 2015-10-30 | 2016-01-06 | 四川蒙特新能源科技有限公司 | A kind of biogas anaerobic pond impact type feed system |
| CN107162104A (en) * | 2017-05-15 | 2017-09-15 | 东南大学 | A kind of backwash portable filtration unit for water-oil separating |
| CN107162104B (en) * | 2017-05-15 | 2020-10-02 | 东南大学 | A backwash mobile filter device for oil-water separation |
| CN111526932B (en) * | 2017-12-28 | 2022-02-11 | 株式会社村田制作所 | Separation and recovery system and separation and recovery method |
| CN111526932A (en) * | 2017-12-28 | 2020-08-11 | 株式会社村田制作所 | Separation and recovery system and separation and recovery method |
| CN109758806A (en) * | 2019-01-18 | 2019-05-17 | 李艺 | A kind of inside and outside double-layer leaching net and inside and outside sieve pore cartridge type serialization Efficient dehydrator |
| CN111087042A (en) * | 2019-12-11 | 2020-05-01 | 芜湖成德龙过滤设备有限公司 | Filter core and filter with PTFE filter membrane |
| CN111773801A (en) * | 2020-08-06 | 2020-10-16 | 淮南矿业(集团)有限责任公司 | A high-pressure water pressure-resistant filter device |
| CN111773802A (en) * | 2020-08-06 | 2020-10-16 | 淮南矿业(集团)有限责任公司 | A kind of high-pressure water filtration method |
| CN113368599A (en) * | 2021-08-16 | 2021-09-10 | 北京市一滴水环保科技有限公司 | Water treatment filtration system |
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Application publication date: 20151028 |