CN103768852A - Backwashing filter - Google Patents
Backwashing filter Download PDFInfo
- Publication number
- CN103768852A CN103768852A CN201410023371.1A CN201410023371A CN103768852A CN 103768852 A CN103768852 A CN 103768852A CN 201410023371 A CN201410023371 A CN 201410023371A CN 103768852 A CN103768852 A CN 103768852A
- Authority
- CN
- China
- Prior art keywords
- filter
- water pump
- outlet
- communicated
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Filtration Of Liquid (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention discloses a backwashing filter. The backwashing filter comprises a frame, a filtering barrel, a filtering water pump, a backwashing water pump, a filter-bag type filtering barrel and a water storage tank, wherein residual liquid is filtered by the filtering barrel; filtering material is washed under pressure through the backwashing water pump; the extra process of washing with clear water is not required, so that the water is saved; meanwhile, a seal cover of the filter does not need to be opened in the washing process of the filter; a blocked filter cartridge can be washed only by operating on a machine, so that a plurality of processes in the washing operation are reduced; the problem in operation of staff is also reduced; the time and the labor are saved; the washed impurities are discharged into a filtering device and filtered by the filtering device; the filtered liquid is input into the water storage tank under the pressure effect of the backwashing water pump; the liquid in the water storage tank is input into the filtering barrel through the filtering water pump, filtered and discharged; and wastewater is not generated in the washing process.
Description
Technical field
The present invention relates to a kind of filter, particularly a kind of cleaning operation is time saving and energy saving and do not produce the Backflushing filter of waste water.
Background technology
Existing filter comprises frame, the bottom of frame is provided with pumping, the both ends of the surface correspondence of pumping is provided with entry and exit, the top of frame is provided with main body base, main body base top is provided with cartridge filter, one side of this cartridge filter is provided with dosing tank and inspects circulation pipe, and one end of inspecting circulation pipe is connected with cartridge filter, and dosing tank is connected with the entrance of pumping by pipeline.In the time of work, filter liquide to be filtered is filtered in pumping suction filter vat, and add activated carbon in dosing tank, activated carbon is transported in filter vat together with filter liquide, and activated carbon absorbs the organic matter in filter liquide, filters.Filter vat used after a period of time, impurity will stop up filter material in filter vat, need clean, and in the process of cleaning, need the seal cover of filter to take apart, taking out filter core cleans again, consuming time in process, consumption is artificial, and has much waste water to produce, and causes very large expense in the process of use.
Summary of the invention
Main purpose of the present invention is to provide a kind of Backflushing filter, is intended to simplify the cleaning operation of filter material, and the cleaning operation of realizing filter material is time saving and energy saving, does not produce waste water in cleaning process.
The present invention proposes a kind of Backflushing filter, comprise frame, be arranged on filter vat and the Water Pump using for Filter that is arranged on described frame below in described frame, the outlet of described Water Pump using for Filter is communicated with the entrance of described filter vat, also comprise the backwash water pump that is arranged on described frame below, be arranged on the filter for impurity screening and an aqua storage tank of described filter vat below, described filter vat comprises liquid outlet and outlet for backwash, the liquid outlet of described filter vat be communicated with for the tank of splendid attire filter liquide, the backwash of described filter vat is communicated with the entrance of described filter with outlet, one side of described backwash water pump is provided with the air entry being communicated with extraneous air, opposite side is provided with the air inlet being communicated with the gas outlet of air compressor machine, described backwash water delivery side of pump is communicated with the liquid outlet of described filter vat, the outlet of described filter is communicated with the entrance of described aqua storage tank, the outlet of described aqua storage tank is communicated with the entrance of described Water Pump using for Filter, on the liquid outlet of described filter vat and the connecting pipe of described tank, be provided with outlet valve, on connecting pipe in the backwash of described filter vat with outlet and the entrance of described filter, be provided with blowoff valve, air entry at described backwash water pump is provided with inlet valve, air inlet at described backwash water pump is provided with intake valve, on the connecting pipe of the liquid outlet of described backwash water delivery side of pump and described filter vat, be provided with flushing valve, on the connecting pipe of the outlet of described filter and the entrance of described aqua storage tank, be provided with water intaking valve, on the connecting pipe of the outlet of described aqua storage tank and the entrance of described Water Pump using for Filter, be provided with delivery valve.
Preferably, described filter is bag filter formula filter vat.
Preferably, also comprise dosing tank and internal recycle pipeline, described dosing tank is communicated with the entrance of described Water Pump using for Filter by connecting pipe, on the connecting pipe of the entrance of described dosing tank and described Water Pump using for Filter, is provided with dosing valve; One end of described internal recycle pipeline is communicated with the liquid outlet of described filter vat, and the other end of described internal recycle pipeline is communicated with the entrance of described Water Pump using for Filter, on described internal recycle pipeline, is provided with circulating valve.
Preferably, be communicated with described tank, described backwash water pump, described internal recycle pipeline by a four-way pipe at the liquid outlet of described filter vat.
The beneficial effect of Backflushing filter of the present invention is:
Cleaning process to original filter is improved, be filled with air by air compressor machine, utilize and in filter vat, filter remaining liquid and through the punching press of backwash water pump, filter material is rinsed, without cleaning with clear water in addition, using water wisely, and in the process of cleaning at filter do not need the seal cover of filter to open, only need be at the enterprising line operate of machine, can allow the filter core stopping up clean, many links on cleaning operation, are reduced, also reduced personnel in operational problem, saved time, manpower.
Impurity after flushing enters in filter, device filters after filtration, and the liquid after filtration is inputted in aqua storage tank under the pressure-acting of backwash water pump, and the liquid in aqua storage tank again can be after filtration with in water pump input filter vat, filter discharge, in cleaning process, do not produce waste water.The invention solves original filter consuming time in cleaning process, consumption is artificial, the problems such as water consumption.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of Backflushing filter in an embodiment of Backflushing filter of the present invention;
Fig. 2 is the flow chart of the filter of Backflushing filter of the present invention;
Fig. 3 is the flow chart of the interior cyclic program of Backflushing filter of the present invention;
Fig. 4 is the flow chart of the backwashing procedures of Backflushing filter of the present invention;
Fig. 5 is the flow chart of the flushing liquid circulating filtration program of Backflushing filter of the present invention;
Fig. 6 is the stereogram one of Backflushing filter in an embodiment of Backflushing filter of the present invention.
It is below label component names corresponding thereto: 10-filter vat, the entrance of 11-filter vat, 12-liquid outlet, 121-outlet valve, 122-flushing valve, 123-circulating valve, outlet for 13-backwash, 14-air bleeding valve, 131-blowoff valve, 20-Water Pump using for Filter, 21-enters sewage valve, 30-backwash water pump, 31-intake valve, 32-inlet valve, 40-filter, 50-aqua storage tank, 51-water intaking valve, 52-delivery valve, 60-dosing tank, 61-dosing valve, 70-air compressor machine, 80-internal recycle pipeline.
Realization, functional characteristics and the advantage of the object of the invention, in connection with embodiment, are described further with reference to accompanying drawing.
The specific embodiment
Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Referring to figs. 1 through Fig. 6, one embodiment of Backflushing filter of the present invention is proposed, this Backflushing filter comprises frame, be arranged on the filter vat 10 in frame and be arranged on the Water Pump using for Filter 20 of frame below, the outlet of Water Pump using for Filter 20 is communicated with the entrance 11 of filter vat 10 by connecting pipe, on the entrance of Water Pump using for Filter 20 and the connecting pipe of processing solution tank, is provided with into liquid medicine valve 21.On filter vat 10 sidewalls, be provided with exhaust passage, exhaust passage is provided with air bleeding valve 14.Filter vat 10 comprises outlet 13 for liquid outlet 12 and backwash, the liquid outlet 12 of filter vat 10 be communicated with for the tank of splendid attire filter liquide, in filter vat 10, liquid after filtering enters tank from liquid outlet 12.On the liquid outlet 12 of filter vat 10 and the connecting pipe of tank, be provided with outlet valve 121.
As Fig. 2, for filter is at the normal flow chart using: the in the situation that of normal use, start front opening and enter liquid medicine valve 21, air bleeding valve 14, after startup, after Bas Discharged, close air bleeding valve 14 and open again outlet valve 121, Water Pump using for Filter 20 is by filter liquide suction filter vat 10, the air being squeezed out in filter vat 10 is discharged through air bleeding valve 14, and filter liquide after filter material filters, enters tank from the liquid outlet 12 of filter vat 10 in filter vat 10.
This Backflushing filter also comprises dosing tank 60 and internal recycle pipeline 80, and dosing tank 60 is communicated with the entrance of Water Pump using for Filter 20 by connecting pipe, on the connecting pipe of dosing tank 60 and the entrance of Water Pump using for Filter 20, is provided with dosing valve 61.One end of internal recycle pipeline 80 is communicated with the liquid outlet 12 of filter vat 10, and the other end of internal recycle pipeline 80 is communicated with the entrance of Water Pump using for Filter 20, is provided with circulating valve 123 on internal recycle pipeline 80.
As Fig. 3, flow chart for the interior cyclic program of filter: on the normal basis using, close into liquid medicine valve 21, outlet valve 121, open dosing valve 61, circulating valve 123 and air bleeding valve 14, add activated carbon powder from dosing tank 60, Water Pump using for Filter 20 is by filter liquide suction filter vat 10, the filter liquide that is mixed with powdered activated carbon enters internal recycle pipeline 80 from the liquid outlet 12 of filter vat 10, flow to the entrance of Water Pump using for Filter 20 through internal recycle pipeline 80, enter in filter vat with water pump 20 after filtration again, carry out interior circulation; Through inner loop, active carbon is distributed in behind the surface of filter material, and liquid medicine can become clean, and stops inner loop, and filter liquide filters in filter vat 10, recovers normal operating condition.
After filter liquide filters, the impurity of adsorb organic compound can be distributed in the filter material of filter vat 10, uses after a period of time, and filter material can be stopped up by impurity, need clean filter material.For filter material is cleaned, this Backflushing filter also comprises the backwash water pump 30, the filter 40 for impurity screening that is arranged on filter vat 10 belows and the aqua storage tank 50 that are arranged on frame below.The backwash of filter vat 10 is communicated with the entrance of filter 40 with outlet 13, and the impurity in filter vat 10 enters filter 40 with outlet 13 from backwash.Filter 40 carries out solid filtering to the impurity entering, and the liquid mixing in impurity is leached.
One side of backwash water pump 30 is provided with the air entry being communicated with extraneous air, and opposite side is provided with the air inlet being communicated with the gas outlet of air compressor machine 70.The outlet of backwash water pump 30 is communicated with the liquid outlet 12 of filter vat 10, the outlet of filter 40 is communicated with the entrance of aqua storage tank 50, air compressor machine 70 inflates air in backwash water pump 30, make its startup, the remaining liq that backwash water pump 30 filters out air and filter vat 10 mixes and is pressed in filter vat 10, and the filter material in filter vat 10 is rinsed; The impurity that filter material is gone out after rinsing is through backwash with in outlet 13 inflow filters 40, and filter 40 carries out solid filtering to the impurity entering, and the liquid mixing in impurity is leached; The liquid leaching in filter 40, under the driving of backwash water pump 30, enters in aqua storage tank 50.
The outlet of aqua storage tank 50 is communicated with the entrance of Water Pump using for Filter 20, and the liquid storing in aqua storage tank 50 can flow in Water Pump using for Filter 20, and by carrying out circulating filtration in Water Pump using for Filter 20 suction filter vats 10, reduces the generation of waste water.
Wherein, the liquid outlet 12 of filter vat 10 is communicated with tank, backwash water pump 30, internal recycle pipeline 80 by a four-way pipe.
On connecting pipe in the backwash of filter vat 10 with outlet 13 and the entrance of filter 40, be provided with blowoff valve 131, be provided with inlet valve 32 at the air entry of backwash water pump 30, be provided with intake valve 31 at the air inlet of backwash water pump, on the connecting pipe of the outlet of backwash water pump 30 and the liquid outlet 12 of filter vat 10, be provided with flushing valve 122, on the connecting pipe of the outlet of filter 40 and the entrance of aqua storage tank 50, be provided with water intaking valve 51, on the connecting pipe of the outlet of aqua storage tank 50 and the entrance of Water Pump using for Filter 20, be provided with delivery valve 52.
In the time that filter vat 10 is cleaned, filter vat 10 and Water Pump using for Filter 20 quit work.As Fig. 4, flow chart for the backwashing procedures of filter: will enter liquid medicine valve 21, dosing valve 61, outlet valve 121, circulating valve 123, air bleeding valve 14 and delivery valve 52 and close, open inlet valve 32, intake valve 31, flushing valve 122, blowoff valve 131 and water intaking valve 51, open backwash water pump 30 and air compressor machine 70, backwash water pump 30 is sent air in filter vat 10 to, filter material in filter vat 10 is rinsed, impurity in filter material is gone out to the impurity of going out and mix from backwash and 13 enter filter 40 with exporting for rinsing the liquid of impurity; Filter 40 filters the mixture of the impurity entering and liquid, carries out liquid, solid separation, leaches liquid, and the liquid leaching flows in aqua storage tank 50 under the gas pressure of backwash water pump 30.In the time that backwash completes, close backwash water pump 30, and close intake valve 31, flushing valve 122, blowoff valve 131 and water intaking valve 51.
In backwash process, without cleaning with clear water in addition, using water wisely, and in the process of cleaning at filter do not need the seal cover of filter to open, only need be at the enterprising line operate of machine, can allow the filter material stopping up clean, on cleaning operation, reduce many links, also reduced personnel in operational problem, saved time, manpower.
Liquid in inflow aqua storage tank 50 can flow to again the entrance of Water Pump using for Filter 20, as Fig. 5, flow chart for the flushing liquid circulating filtration program of filter: open delivery valve 52, the liquid storing in aqua storage tank 50 flows into the entrance of Water Pump using for Filter 20 because of vertical parallax.
Opening when Water Pump using for Filter 20, the liquid that flows into Water Pump using for Filter 20 entrances and water storage device 50 is just drawn into and in filter vat 10, carries out interior cyclic program filtration, in process without the generation of waste water.At present environmental protection condition, under the harsh and wastewater treatment expense prerequisite under being in not, without the generation of waste water, beneficial effect is particularly visible.
Wherein, filter 40 is a bag filter formula filter vat 10, and the filter bag in bag filter formula filter vat 10 is after backwash process, and impurity is deposited in filter bag, filter bag is taken out rear directly with air gun hydro-peening in the above, and impurity is sprayed into recycling bin.When normal use, filter bag in bag filter formula filter vat 10 is taken out to cleaning, the method of cleaning is for turning bag filter formula filter bag to collection bag, with air gun jet cleaning, in this operating process, can avoid unnecessary waste water and filter liquide to produce completely, reduce greatly the use at water source, meet present environmental requirement.
The present invention improves the cleaning process of original filter, utilizing filter vat 10 to filter remaining liquid rinses filter material through 30 punching presses of backwash water pump, without cleaning with clear water in addition, using water wisely, and in the process of cleaning at filter do not need the seal cover of filter to open, only need be at the enterprising line operate of machine, can allow the filter core stopping up clean, many links on cleaning operation, are reduced, also personnel have been reduced in operational problem, can reduce because operating upper possible error, save time, manpower, solve original filter consuming time in cleaning process, consumption is artificial, the problems such as water consumption.
The foregoing is only the preferred embodiments of the present invention; not thereby limit the scope of the claims of the present invention; every equivalent structure transformation that utilizes description of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (4)
1. a Backflushing filter, comprise frame, be arranged on filter vat and the Water Pump using for Filter that is arranged on described frame below in described frame, the outlet of described Water Pump using for Filter is communicated with the entrance of described filter vat, it is characterized in that, also comprise the backwash water pump that is arranged on described frame below, be arranged on the filter for impurity screening and an aqua storage tank of described filter vat below, described filter vat comprises liquid outlet and outlet for backwash, the liquid outlet of described filter vat be communicated with for the tank of splendid attire filter liquide, the backwash of described filter vat is communicated with the entrance of described filter with outlet, one side of described backwash water pump is provided with the air entry being communicated with extraneous air, opposite side is provided with the air inlet being communicated with the gas outlet of air compressor machine, described backwash water delivery side of pump is communicated with the liquid outlet of described filter vat, the outlet of described filter is communicated with the entrance of described aqua storage tank, the outlet of described aqua storage tank is communicated with the entrance of described Water Pump using for Filter, on the liquid outlet of described filter vat and the connecting pipe of described tank, be provided with outlet valve, on connecting pipe in the backwash of described filter vat with outlet and the entrance of described filter, be provided with blowoff valve, air entry at described backwash water pump is provided with inlet valve, air inlet at described backwash water pump is provided with intake valve, on the connecting pipe of the liquid outlet of described backwash water delivery side of pump and described filter vat, be provided with flushing valve, on the connecting pipe of the outlet of described filter and the entrance of described aqua storage tank, be provided with water intaking valve, on the connecting pipe of the outlet of described aqua storage tank and the entrance of described Water Pump using for Filter, be provided with delivery valve.
2. Backflushing filter according to claim 1, is characterized in that, described filter is bag filter formula filter vat.
3. Backflushing filter according to claim 1 and 2, it is characterized in that, also comprise dosing tank and internal recycle pipeline, described dosing tank is communicated with the entrance of described Water Pump using for Filter by connecting pipe, on the connecting pipe of the entrance of described dosing tank and described Water Pump using for Filter, is provided with dosing valve; One end of described internal recycle pipeline is communicated with the liquid outlet of described filter vat, and the other end of described internal recycle pipeline is communicated with the entrance of described Water Pump using for Filter, on described internal recycle pipeline, is provided with circulating valve.
4. Backflushing filter according to claim 3, is characterized in that, is communicated with by a four-way pipe at the liquid outlet of described filter vat with described tank, described backwash water pump, described internal recycle pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410023371.1A CN103768852B (en) | 2014-01-20 | 2014-01-20 | Backwashing filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410023371.1A CN103768852B (en) | 2014-01-20 | 2014-01-20 | Backwashing filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103768852A true CN103768852A (en) | 2014-05-07 |
| CN103768852B CN103768852B (en) | 2015-05-13 |
Family
ID=50561894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410023371.1A Expired - Fee Related CN103768852B (en) | 2014-01-20 | 2014-01-20 | Backwashing filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103768852B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105126429A (en) * | 2015-07-23 | 2015-12-09 | 温州菲德石化科技有限公司 | Residual oil backwashing filtering system and filtering method |
| CN105664560A (en) * | 2016-04-14 | 2016-06-15 | 济南西斯普换热系统有限公司 | Online folded filter element cleaning machine and cleaning process |
| CN107661644A (en) * | 2017-11-08 | 2018-02-06 | 广州市大进工业设备有限公司 | A kind of intelligently filters machine |
| CN108434823A (en) * | 2018-04-02 | 2018-08-24 | 宿州冬宇环保科技有限公司 | A kind of papermaking station-service paper-pulp effluent processing system |
| CN110280061A (en) * | 2019-06-03 | 2019-09-27 | 江苏台合达环保设备有限公司 | A kind of modified intelligent filtering machine and its application method |
| CN115028302A (en) * | 2022-06-17 | 2022-09-09 | 苏州市创联净化设备有限公司 | Production device and filtering method of injection water for medical instruments |
| CN115518454A (en) * | 2022-08-08 | 2022-12-27 | 黄山艾肯机械制造有限公司 | Main shaft center goes out water system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101215051A (en) * | 2008-01-10 | 2008-07-09 | 杭州（火炬）西斗门膜工业有限公司 | Minitype sea water desalination system water treatment technique |
| EP2436653A1 (en) * | 2010-09-30 | 2012-04-04 | Krones AG | Device and method for producing filtered liquids |
| CN202945104U (en) * | 2012-10-17 | 2013-05-22 | 西安润达化工科技有限公司 | Small sewage treater |
| CN202953891U (en) * | 2012-10-31 | 2013-05-29 | 重庆渝舟船舶设备有限公司 | Full automatic control system of water purifying device |
| CN203648241U (en) * | 2014-01-20 | 2014-06-18 | 中山龙净过滤设备有限公司 | Backwash filter |
-
2014
- 2014-01-20 CN CN201410023371.1A patent/CN103768852B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101215051A (en) * | 2008-01-10 | 2008-07-09 | 杭州（火炬）西斗门膜工业有限公司 | Minitype sea water desalination system water treatment technique |
| EP2436653A1 (en) * | 2010-09-30 | 2012-04-04 | Krones AG | Device and method for producing filtered liquids |
| CN202945104U (en) * | 2012-10-17 | 2013-05-22 | 西安润达化工科技有限公司 | Small sewage treater |
| CN202953891U (en) * | 2012-10-31 | 2013-05-29 | 重庆渝舟船舶设备有限公司 | Full automatic control system of water purifying device |
| CN203648241U (en) * | 2014-01-20 | 2014-06-18 | 中山龙净过滤设备有限公司 | Backwash filter |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105126429A (en) * | 2015-07-23 | 2015-12-09 | 温州菲德石化科技有限公司 | Residual oil backwashing filtering system and filtering method |
| CN105126429B (en) * | 2015-07-23 | 2017-11-28 | 温州菲德石化科技有限公司 | Residual oil backwashing filtering system and filtering method |
| CN105664560A (en) * | 2016-04-14 | 2016-06-15 | 济南西斯普换热系统有限公司 | Online folded filter element cleaning machine and cleaning process |
| CN105664560B (en) * | 2016-04-14 | 2018-02-23 | 济南西斯普换热系统有限公司 | A kind of foldable filter element on-line cleaning machine and its cleaning |
| CN107661644A (en) * | 2017-11-08 | 2018-02-06 | 广州市大进工业设备有限公司 | A kind of intelligently filters machine |
| CN108434823A (en) * | 2018-04-02 | 2018-08-24 | 宿州冬宇环保科技有限公司 | A kind of papermaking station-service paper-pulp effluent processing system |
| CN110280061A (en) * | 2019-06-03 | 2019-09-27 | 江苏台合达环保设备有限公司 | A kind of modified intelligent filtering machine and its application method |
| CN115028302A (en) * | 2022-06-17 | 2022-09-09 | 苏州市创联净化设备有限公司 | Production device and filtering method of injection water for medical instruments |
| CN115028302B (en) * | 2022-06-17 | 2023-10-17 | 苏州市创联净化设备有限公司 | Device for producing injection water for medical instrument and filtering method thereof |
| CN115518454A (en) * | 2022-08-08 | 2022-12-27 | 黄山艾肯机械制造有限公司 | Main shaft center goes out water system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103768852B (en) | 2015-05-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103768852B (en) | Backwashing filter | |
| CN103288177A (en) | Continuous membrane filtration system and water treatment method | |
| CN107899427A (en) | A kind of MBR membrane stacks on-line cleaning system and cleaning method | |
| CN203400542U (en) | Filter cloth online soaking and pickling system of filter press in sludge dewatering work | |
| CN207085690U (en) | A kind of ultrafiltration integration apparatus | |
| CN203648241U (en) | Backwash filter | |
| CN114849314A (en) | Continuous filtering method capable of realizing uninterrupted filtering during cleaning | |
| KR20130003190U (en) | filter type sample pretreatment system using high pressure air | |
| CN205556840U (en) | Circulating plating solution filter equipment | |
| CN108404475A (en) | A kind of situ cleaning device of diaphragm plate frame filter press | |
| CN105780097A (en) | Circulation type electroplating liquid filtering device | |
| CN217939347U (en) | Continuous filtering device capable of realizing uninterrupted filtering during cleaning | |
| CN205683683U (en) | A kind of rotating cylinder vacuum filtering system | |
| CN211056750U (en) | Sewage filter and filter material collector | |
| CN204017511U (en) | The exempting from of container unpicks and washes filter device for pipes | |
| CN209271205U (en) | A kind of water process ultrafiltration system | |
| CN204138931U (en) | Washing machine | |
| CN207221480U (en) | A kind of filter press multistage washing system | |
| CN205699650U (en) | A kind of acid bath is filtered and is cleaned device | |
| CN201052992Y (en) | Cyclone and film integrated pretreatment water circulating machine | |
| CN111072171A (en) | Filtering and purifying device for industrial wastewater treatment and using method | |
| CN1386702A (en) | Process for refining water glass by precise minipore filter | |
| CN104667598A (en) | External pressure cloth bag type filtering solid-liquid separating system | |
| TWI517891B (en) | Back-flush filter | |
| CN218115070U (en) | Hyperfiltration structure for reverse osmosis sewage treatment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: On-line preparing agent automatic backwashing filter Effective date of registration: 20171113 Granted publication date: 20150513 Pledgee: Bank of China Limited by Share Ltd. Zhongshan branch Pledgor: ZHONGSHAN LONGJING FILTER EQUIPMENT Co.,Ltd. Registration number: 2017440000128 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20220120 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |