CN203899249U - Automatic back-flush filter with compound filter element - Google Patents
Automatic back-flush filter with compound filter element Download PDFInfo
- Publication number
- CN203899249U CN203899249U CN201420340809.4U CN201420340809U CN203899249U CN 203899249 U CN203899249 U CN 203899249U CN 201420340809 U CN201420340809 U CN 201420340809U CN 203899249 U CN203899249 U CN 203899249U
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- China
- Prior art keywords
- operated valve
- pneumatic operated
- filter element
- barrel body
- filter
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- Expired - Lifetime
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- 150000001875 compounds Chemical class 0.000 title abstract 5
- 238000001914 filtration Methods 0.000 claims description 77
- 239000002131 composite material Substances 0.000 claims description 61
- 238000011001 backwashing Methods 0.000 claims description 35
- 239000012530 fluid Substances 0.000 claims description 23
- 239000004744 fabric Substances 0.000 claims description 13
- 230000006698 induction Effects 0.000 claims description 6
- 239000012535 impurity Substances 0.000 abstract description 12
- 239000007788 liquid Substances 0.000 abstract description 12
- 238000007664 blowing Methods 0.000 abstract 2
- 230000000903 blocking effect Effects 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 11
- 239000002245 particle Substances 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 6
- 238000010926 purge Methods 0.000 description 6
- 239000011148 porous material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000013327 media filtration Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model relates to an automatic back-flush filter with a compound filter element. The automatic back-flush filter comprises a filter cartridge body, the compound filter element, a liquid feed pneumatic valve, a liquid discharge pneumatic valve, a pollution-discharge pneumatic valve, a back-blowing pneumatic valve, an emptying pneumatic valve and pressure difference transmitters, wherein the compound filter element is arranged in the filter cartridge body; the liquid feed pneumatic valve is arranged at the bottom of one side of the filter cartridge body and connected with a liquid feed pipe so as to transmit medium to be filtered into the filter cartridge body; the liquid discharge pneumatic valve, the back-blowing pneumatic valve and the emptying pneumatic valve are arranged at the top of the filter cartridge body, and the pollution-discharge pneumatic valve is arranged at the bottom of the filter cartridge body; the liquid discharge pneumatic valve is connected with a liquid discharge pipe so as to send out the filtered medium; the pressure difference transmitters are respectively arranged at the liquid feed pipe and the liquid discharge pipe. The compound filter element is adopted to effectively filter impurities in the medium, and meanwhile the phenomenon that the filter element is dismounted, replaced and cleaned due to the blocking of the filter element by impurities is avoided. The occurrence rate of replacing the filter element can be effectively reduced, and the service life of the filter element is prolonged.
Description
Technical field
The utility model relates to filter field, relates in particular to a kind of automatic backwashing filter with composite filter element.
Background technology
In the techniques such as chemical industry, light industry, pharmacy, mine, metallurgy, the energy, environmental protection, exist the needs of separating liquid and solid particle from solidliquid mixture.Developed there is different operating principle and character various mechanical filter units to carry out Separation of Solid and Liquid.In all these devices, have full-automatic function automatic backwashing filter by increasing enterprises pay attention, the demand of the automatic backwashing filter with long durable filter core of life-span in market is increasing.At present, in many filters, adopt sintered filter core as filter element.But sintered filter core is when filtering, the particle that is less than medium pore can enter into medium inside, and be very easily trapped within medium inside, simultaneously due under pressure, the medium being trapped in pore can be increased gradually, pore all blocks the most at last, even in the situation that blowback energy is very large, also be difficult to the particle in pore all to rinse, thereby affect filter effect, now must carry out more renew cartridge can use, take a lot of work like this, time-consuming, standby redundancy expense increases simultaneously, hand labor intensity is large, to production operation, bring some inconvenience.
Utility model content
The purpose of this utility model is to overcome the defect of prior art, a kind of automatic backwashing filter with composite filter element is provided, solve that filter core in prior art affect filter effect because pore blocks and the more renew cartridge that brings produces take a lot of work, the problem such as time-consuming and increase labour intensity.
The technical scheme that realizes above-mentioned purpose is:
A kind of automatic backwashing filter with composite filter element of the utility model, comprise filtration barrel body, composite filter element, feed liquor pneumatic operated valve, fluid pneumatic operated valve, blowdown pneumatic operated valve, blowback pneumatic operated valve, emptying pneumatic operated valve, and pressure difference transmitter, described composite filter element is located at the inside of described filtration barrel body, described feed liquor pneumatic operated valve is located at the bottom of described filtration barrel body one side and is connected feed tube for medium to be filtered is delivered in described filtration barrel body, described fluid pneumatic operated valve, described blowback pneumatic operated valve, and described emptying pneumatic operated valve is located at the top of described filtration barrel body, described blowdown pneumatic operated valve is located at the bottom of described filtration barrel body, described fluid pneumatic operated valve connects drain pipe for filtered medium is sent, described pressure difference transmitter is located at respectively described feed tube and described drain pipe place, pressure reduction for the described feed tube of induction and described drain pipe place changes, when described pressure reduction variation reaches setting value, described blowback pneumatic operated valve controlled by described pressure difference transmitter and described blowdown pneumatic operated valve is opened, described filtration barrel body is rinsed.
Adopt composite filter element, its filter capacity is strong, filtering accuracy is high, and effectively the impurity in filter medium is avoided changeing cleaning filter core because impurity causes filter core to stop up simultaneously, can effectively reduce the more incidence of renew cartridge, extends the service life of filter core.Feed liquor pneumatic operated valve is located to the sidepiece of filtration barrel body, is avoided the medium entering directly to impact filter core, large particle also can be fallen into the bottom of cylindrical shell because of rotation, can increase the service life of filter core.Adopt blowback pneumatic operated valve and blowdown pneumatic operated valve, realize the backwash to filter core, the pollutant in filtration barrel body is all discharged from blowdown pneumatic operated valve, time of rinsing is short, clean thoroughly, by pressure difference transmitter, automatically control and rinse, can be time saving and energy saving, effectively improve production operation efficiency.
The further improvement of a kind of automatic backwashing filter with composite filter element of the utility model is, also comprise electric cabinet, corresponding described feed liquor pneumatic operated valve in described electric cabinet, fluid pneumatic operated valve, blowdown pneumatic operated valve, blowback pneumatic operated valve, be respectively equipped with magnetic valve with emptying pneumatic operated valve, for controlling described feed liquor pneumatic operated valve, fluid pneumatic operated valve, blowdown pneumatic operated valve, blowback pneumatic operated valve, folding with emptying pneumatic operated valve, described magnetic valve is electrically connected to by gauge tap with described pressure difference transmitter, the folding that described pressure difference transmitter is controlled described gauge tap according to the pressure reduction of induction realizes connection or the disconnection of described magnetic valve.
The further improvement of a kind of automatic backwashing filter with composite filter element of the utility model is, described composite filter element comprises sintered filter core and is coated on the filtration cloth bag of described sintered filter core.
The further improvement of a kind of automatic backwashing filter with composite filter element of the utility model is, described filtration cloth bag is corrugated.
The further improvement of a kind of automatic backwashing filter with composite filter element of the utility model is, the inside of described filtration barrel body is provided with card, described card is fixed on the top of described filtration barrel body, on described card, offers installing hole, and described composite filter element is sticked in described installing hole.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of automatic backwashing filter with composite filter element of the utility model;
Fig. 2 is the schematic diagram of a kind of automatic backwashing filter filter process with composite filter element of the utility model;
Fig. 3 is the schematic diagram of a kind of automatic backwashing filter backwash process with composite filter element of the utility model;
Fig. 4 is a kind of structural representation with composite filter element in the automatic backwashing filter of composite filter element of the utility model.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Consult Fig. 1, the structural representation that has shown a kind of automatic backwashing filter with composite filter element of the utility model, a kind of automatic backwashing filter with composite filter element of the utility model is by adopting composite filter element, composite filter element is that sintered filter core outer cladding is filtered cloth bag, make that filter element filtering ability is strong, filtering accuracy is high, impurity in effective filter medium, avoid changeing cleaning filter core because impurity causes filter core to stop up simultaneously, can effectively reduce the more incidence of renew cartridge, extend the service life of filter core.Reduce the more frequency of renew cartridge, and then save the working time, can increase work efficiency.A kind of automatic backwashing filter with composite filter element of the utility model is located at feed liquor pneumatic operated valve the sidepiece of filtration barrel body, can avoid the medium entering directly to impact filter core, large particle also can be fallen into the bottom of cylindrical shell because of rotation, can increase the service life of filter core.Adopt blowback pneumatic operated valve and blowdown pneumatic operated valve, realize the backwash to filter core, the pollutant in filtration barrel body is all discharged from blowdown pneumatic operated valve, time of rinsing is short, clean thoroughly, by pressure difference transmitter, automatically control and rinse, can be time saving and energy saving, effectively improve production operation efficiency.Below in conjunction with accompanying drawing, a kind of automatic backwashing filter with composite filter element of the utility model is described.
Consulting Fig. 1, is the structural representation of a kind of automatic backwashing filter with composite filter element of the utility model.Below in conjunction with Fig. 1, a kind of automatic backwashing filter with composite filter element of the utility model is described.
As shown in Figure 1, a kind of automatic backwashing filter with composite filter element of the utility model comprises filtration barrel body N11, composite filter element N4, feed liquor pneumatic operated valve N3, fluid pneumatic operated valve N5, blowdown pneumatic operated valve N1, blowback pneumatic operated valve N8, emptying pneumatic operated valve N7, and pressure difference transmitter N2, N6, wherein composite filter element N4 is located at the inside of filtration barrel body N11, as a better embodiment of the present utility model, filtration barrel body N11 inside is provided with a plurality of composite filter element N4, the inside of filtration barrel body N11 is provided with card N10, card N10 is fixed on the top of filtration barrel body N11, and on card N10, offer a plurality of installing holes, composite filter element N4 is sticked in corresponding installing hole.Feed liquor pneumatic operated valve N3 is located at the bottom of filtration barrel body N11 mono-side and connects feed tube for medium to be filtered is delivered in filtration barrel body N11 and filtered, the feed liquor pneumatic operated valve N3 that medium to be filtered connects by feed tube enters in filtration barrel body N11, because feed liquor pneumatic operated valve N3 is located at the bottom of filtration barrel body N11, so media filtration direction is from the bottom of filtration barrel body N11 upwards.Fluid pneumatic operated valve N5, blowback pneumatic operated valve N8 and emptying pneumatic operated valve N7 are located at the top of filtration barrel body N11, and fluid pneumatic operated valve N5 connects drain pipe, and the medium filtering through composite filter element N4 enters into drain pipe by fluid pneumatic operated valve N5, and output is used.Blowback pneumatic operated valve N8 and emptying pneumatic operated valve N7 are communicated in an outlet on filtration barrel body N11 jointly, and blowback pneumatic operated valve N8 and emptying pneumatic operated valve N7 can not open simultaneously, and these two pneumatic operated valves are controlled separately respectively a path.Blowdown pneumatic operated valve N1 is located at the bottom of filtration barrel body N11, for the impurity in filtration barrel body N11 is discharged.Pressure difference transmitter N2, N6 is located at respectively feed tube and drain pipe place, pressure difference transmitter N2 is located at the feed tube place that feed liquor pneumatic operated valve N3 connects, pressure reduction for sensing feed tube place changes, pressure difference transmitter N6 is located at the drain pipe place that fluid pneumatic operated valve N5 connects, pressure reduction for sensing drain pipe place changes, as pressure difference transmitter N2, the pressure reduction that N6 senses changes while reaching setting value, pressure difference transmitter N2, N6 controls blowback pneumatic operated valve N8 and blowdown pneumatic operated valve N1 opens, to filtration barrel body, N11 rinses, during flushing, first open blowback pneumatic operated valve N8, from the top down filtration barrel body N11 is carried out to purge, in purge process, feed liquor pneumatic operated valve N3 and fluid pneumatic operated valve N5 close, when the pressure reduction in filtration barrel body N11 reaches certain value, opening blowdown pneumatic operated valve N1, the impurity that purge is produced.
A kind of automatic backwashing filter with composite filter element of the utility model also comprises electric cabinet, corresponding feed liquor pneumatic operated valve N3 in electric cabinet, fluid pneumatic operated valve N5, blowdown pneumatic operated valve N1, blowback pneumatic operated valve N8, N7 is respectively equipped with magnetic valve with emptying pneumatic operated valve, by solenoid control feed liquor pneumatic operated valve, fluid pneumatic operated valve, blowdown pneumatic operated valve, blowback pneumatic operated valve, folding with emptying pneumatic operated valve, each magnetic valve and pressure difference transmitter N2, N6 is electrically connected to by gauge tap, pressure difference transmitter N2, the folding that N6 controls this gauge tap according to the pressure reduction of induction realizes connection or the disconnection of magnetic valve, and then control corresponding pneumatic operated valve folding.
Consult Fig. 4, shown a kind of structural representation with composite filter element in the automatic backwashing filter of composite filter element of the utility model.Below in conjunction with Fig. 4, to the utility model is a kind of, with the composite filter element in the automatic backwashing filter of composite filter element, describe.
Composite filter element N4 comprises sintered filter core 1 and filters cloth bag 2, filter cloth bag 2 and be coated on sintered filter core 1, filtering 2 pairs of sintered filter cores 1 of cloth bag plays a protective role, 1 pair of sintered filter core filters cloth bag 2 and plays a supporting role, filtering cloth bag 2 is corrugated, it has corrugated surface, medium in filtration barrel body N11 is filtered, for a long time make to filter cloth bag 2 breakages, even if filter cloth bag 2 breakages, do not affect filter effect yet, because sintered filter core 1 can continue the impurity in block media, become filter course, adopt filtration cloth bag 2 can protect sintered filter core 1, reduce the replacement frequency of sintered filter core 1, guaranteed the life cycle of equipment, operating efficiency can be effectively provided, time saving and energy saving.
Consult Fig. 2, shown the schematic diagram of a kind of automatic backwashing filter filter process with composite filter element of the utility model; Consult Fig. 3, shown the schematic diagram of a kind of automatic backwashing filter backwash process with composite filter element of the utility model; Shown in Fig. 2 and Fig. 3, filter process and the backwash process of a kind of automatic backwashing filter with composite filter element of the utility model are described.
As shown in Figures 2 and 3, a kind of automatic backwashing filter with composite filter element of the utility model is for filtering medium, the feed liquor pneumatic operated valve N3 that medium connects by feed tube enters in filtration barrel body N11, medium moves to top from the bottom of filtration barrel body N11, through composite filter element N4, by composite filter element, N4 filters medium, by the impurity filtering in medium, the medium filtering through composite filter element N4 enters into drain pipe by being located at the fluid pneumatic operated valve N5 at filtration barrel body N11 top, by drain pipe, flows out use.In whole filter process, only have feed liquor pneumatic operated valve N3 and fluid pneumatic operated valve N5 to open, remaining pneumatic operated valve all cuts out, and the opening and closing of pneumatic operated valve are by solenoid control.Along with the aggregation on composite filter element N4 increases, the pressure reduction between feed tube and drain pipe increases gradually, when pressure reduction reaches certain value, represents that composite filter element N4 needs to rinse.By pressure difference transmitter N2, the pressure reduction of N6 induction feed tube and drain pipe changes, when pressure reduction variation reaches setting value, pressure difference transmitter N2, N6 controls feed liquor pneumatic operated valve N3 and fluid pneumatic operated valve N5 closes, the closing of the solenoid control pneumatic operated valve by control connection feed liquor pneumatic operated valve N3 and fluid pneumatic operated valve N5.Then open blowback pneumatic operated valve N8, filtration barrel body N11 is carried out to purge operation from top to bottom, purge medium can be clean liquid, can be also clean gas or high-temperature steam.Pressure reduction in filtration barrel body N11 reaches while being worth always, and blowdown pneumatic operated valve N1 opens, and carries out blasting type backwash, the solid particle of composite filter element N4 surface sediment is rinsed well, and discharged by blowdown pneumatic operated valve N1.The opening and closing of blowback pneumatic operated valve N8 and blowdown pneumatic operated valve N1 are also by pressure difference transmitter N2, and N6 controls corresponding magnetic valve and realizes.After flushing, close blowback pneumatic operated valve N8 and blowdown pneumatic operated valve N1, in control, open emptying pneumatic operated valve N7, gas in filtration barrel body N11 is emitted, then the filtration barrel body N11 after cleaning can continue on for filter medium, opening feed liquor pneumatic operated valve N3 and fluid pneumatic operated valve N5, close emptying pneumatic operated valve N7, start the filter process of medium.
As a better embodiment of the present utility model, a kind of automatic backwashing filter with composite filter element of the utility model comprises at least two filtration barrel body N11, two filtration barrel body N11 are connected with feed tube respectively, during filtration work, the feed liquor pneumatic operated valve of one of them filtration barrel body is opened, carry out the filter operation to medium, after this filtration barrel body work a period of time, in the time of need to automatically cleaning filtration barrel body and composite filter element, close the feed liquor pneumatic operated valve of this filtration barrel body, then carry out automatic purge operation.Correspondingly, the feed liquor pneumatic operated valve of another filtration barrel body is opened, start medium to carry out filter operation, by arranging, connect a plurality of filtration barrel bodies, can realize in the process of cleaning and filtering cylindrical shell, filter operation does not stop, and effectively guarantees the operating efficiency of filtering, guarantee the disposal ability of whole system, do not affect the filtration treatment amount of medium.
The beneficial effect of a kind of automatic backwashing filter with composite filter element of the utility model is:
Adopt composite filter element, its filter capacity is strong, filtering accuracy is high, and effectively the impurity in filter medium is avoided changeing cleaning filter core because impurity causes filter core to stop up simultaneously, can effectively reduce the more incidence of renew cartridge, extends the service life of filter core.
Feed liquor pneumatic operated valve is located to the sidepiece of filtration barrel body, is avoided the medium entering directly to impact filter core, large particle also can be fallen into the bottom of cylindrical shell because of rotation, can increase the service life of filter core.
Adopt blowback pneumatic operated valve and blowdown pneumatic operated valve, realize the backwash to filter core, the pollutant in filtration barrel body is all discharged from blowdown pneumatic operated valve, time of rinsing is short, clean thoroughly, by pressure difference transmitter, automatically control and rinse, can be time saving and energy saving, effectively improve production operation efficiency.
Below embodiment has been described in detail the utility model by reference to the accompanying drawings, and those skilled in the art can make many variations example to the utility model according to the above description.Thereby some details in embodiment should not form restriction of the present utility model, the utility model will be usingd scope that appended claims defines as protection domain of the present utility model.
Claims (5)
1. the automatic backwashing filter with composite filter element, it is characterized in that, comprise filtration barrel body, composite filter element, feed liquor pneumatic operated valve, fluid pneumatic operated valve, blowdown pneumatic operated valve, blowback pneumatic operated valve, emptying pneumatic operated valve, and pressure difference transmitter, described composite filter element is located at the inside of described filtration barrel body, described feed liquor pneumatic operated valve is located at the bottom of described filtration barrel body one side and is connected feed tube for medium to be filtered is delivered in described filtration barrel body, described fluid pneumatic operated valve, described blowback pneumatic operated valve, and described emptying pneumatic operated valve is located at the top of described filtration barrel body, described blowdown pneumatic operated valve is located at the bottom of described filtration barrel body, described fluid pneumatic operated valve connects drain pipe for filtered medium is sent, described pressure difference transmitter is located at respectively described feed tube and described drain pipe place, pressure reduction for the described feed tube of induction and described drain pipe place changes, when described pressure reduction variation reaches setting value, described blowback pneumatic operated valve controlled by described pressure difference transmitter and described blowdown pneumatic operated valve is opened, described filtration barrel body is rinsed.
2. a kind of automatic backwashing filter with composite filter element as claimed in claim 1, it is characterized in that, also comprise electric cabinet, corresponding described feed liquor pneumatic operated valve in described electric cabinet, fluid pneumatic operated valve, blowdown pneumatic operated valve, blowback pneumatic operated valve, be respectively equipped with magnetic valve with emptying pneumatic operated valve, for controlling described feed liquor pneumatic operated valve, fluid pneumatic operated valve, blowdown pneumatic operated valve, blowback pneumatic operated valve, folding with emptying pneumatic operated valve, described magnetic valve is electrically connected to by gauge tap with described pressure difference transmitter, the folding that described pressure difference transmitter is controlled described gauge tap according to the pressure reduction of induction realizes connection or the disconnection of described magnetic valve.
3. a kind of automatic backwashing filter with composite filter element as claimed in claim 1, is characterized in that, described composite filter element comprises sintered filter core and is coated on the filtration cloth bag of described sintered filter core.
4. a kind of automatic backwashing filter with composite filter element as claimed in claim 3, is characterized in that, described filtration cloth bag is corrugated.
5. a kind of automatic backwashing filter with composite filter element as claimed in claim 4, it is characterized in that, the inside of described filtration barrel body is provided with card, described card is fixed on the top of described filtration barrel body, on described card, offer installing hole, described composite filter element is sticked in described installing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420340809.4U CN203899249U (en) | 2014-06-25 | 2014-06-25 | Automatic back-flush filter with compound filter element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420340809.4U CN203899249U (en) | 2014-06-25 | 2014-06-25 | Automatic back-flush filter with compound filter element |
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| Publication Number | Publication Date |
|---|---|
| CN203899249U true CN203899249U (en) | 2014-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420340809.4U Expired - Lifetime CN203899249U (en) | 2014-06-25 | 2014-06-25 | Automatic back-flush filter with compound filter element |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104587740A (en) * | 2015-01-11 | 2015-05-06 | 江苏华伦化工有限公司 | Solvent precise filtering device and method |
| CN105417805A (en) * | 2015-11-26 | 2016-03-23 | 张家港市大新毛纺有限公司 | Wastewater reclamation and treatment device for printing and dyeing production |
| CN107278165A (en) * | 2015-02-18 | 2017-10-20 | 博尔和柯基滤清器有限责任公司 | Filtration systems for filtering lubricating oils especially for marine equipment such as marine engines |
| CN107636369A (en) * | 2015-03-31 | 2018-01-26 | 日立造船株式会社 | Switching valve |
| CN107626132A (en) * | 2017-10-24 | 2018-01-26 | 王家骐 | The high-performance back purge system of beam tube type filter |
| CN110294508A (en) * | 2019-07-16 | 2019-10-01 | 常州市卫生监督所 | A kind of drinking water treatment equipment |
| CN110604956A (en) * | 2019-08-28 | 2019-12-24 | 广西天源新能源材料有限公司 | A precision filter for the production of lithium hydroxide monohydrate |
| CN110898500A (en) * | 2019-11-29 | 2020-03-24 | 广东闻扬环境科技有限公司 | Filter and heat exchange system |
| CN110975376A (en) * | 2019-12-06 | 2020-04-10 | 广西广宇水资源技术开发有限公司 | Microporous filter element pulse regeneration filtering method and device |
| CN111643947A (en) * | 2020-06-05 | 2020-09-11 | 广东工业大学 | Primary sewage pulse type solid-liquid separation treatment device |
| CN112275004A (en) * | 2020-11-06 | 2021-01-29 | 无锡伊诺特过滤系统有限公司 | Back flush filter |
| CN113599882A (en) * | 2021-09-08 | 2021-11-05 | 安泰环境工程技术有限公司 | Filtering device and filtering method for reducing nuclear power filtering solid waste amount |
| CN115219098A (en) * | 2022-07-08 | 2022-10-21 | 常州天利智能控制股份有限公司 | A pressure transmitter assembly |
-
2014
- 2014-06-25 CN CN201420340809.4U patent/CN203899249U/en not_active Expired - Lifetime
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104587740A (en) * | 2015-01-11 | 2015-05-06 | 江苏华伦化工有限公司 | Solvent precise filtering device and method |
| CN107278165A (en) * | 2015-02-18 | 2017-10-20 | 博尔和柯基滤清器有限责任公司 | Filtration systems for filtering lubricating oils especially for marine equipment such as marine engines |
| CN107636369A (en) * | 2015-03-31 | 2018-01-26 | 日立造船株式会社 | Switching valve |
| CN107636369B (en) * | 2015-03-31 | 2019-07-05 | 日立造船株式会社 | Switching valve |
| CN105417805A (en) * | 2015-11-26 | 2016-03-23 | 张家港市大新毛纺有限公司 | Wastewater reclamation and treatment device for printing and dyeing production |
| CN107626132A (en) * | 2017-10-24 | 2018-01-26 | 王家骐 | The high-performance back purge system of beam tube type filter |
| CN110294508A (en) * | 2019-07-16 | 2019-10-01 | 常州市卫生监督所 | A kind of drinking water treatment equipment |
| CN110604956A (en) * | 2019-08-28 | 2019-12-24 | 广西天源新能源材料有限公司 | A precision filter for the production of lithium hydroxide monohydrate |
| CN110898500A (en) * | 2019-11-29 | 2020-03-24 | 广东闻扬环境科技有限公司 | Filter and heat exchange system |
| CN110975376A (en) * | 2019-12-06 | 2020-04-10 | 广西广宇水资源技术开发有限公司 | Microporous filter element pulse regeneration filtering method and device |
| CN110975376B (en) * | 2019-12-06 | 2021-03-30 | 广西广宇水资源技术开发有限公司 | Microporous filter element pulse regeneration filtering method and device |
| CN111643947A (en) * | 2020-06-05 | 2020-09-11 | 广东工业大学 | Primary sewage pulse type solid-liquid separation treatment device |
| CN112275004A (en) * | 2020-11-06 | 2021-01-29 | 无锡伊诺特过滤系统有限公司 | Back flush filter |
| CN113599882A (en) * | 2021-09-08 | 2021-11-05 | 安泰环境工程技术有限公司 | Filtering device and filtering method for reducing nuclear power filtering solid waste amount |
| CN115219098A (en) * | 2022-07-08 | 2022-10-21 | 常州天利智能控制股份有限公司 | A pressure transmitter assembly |
| CN115219098B (en) * | 2022-07-08 | 2024-11-26 | 常州天利智能控制股份有限公司 | A pressure transmitter assembly |
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