CN113509842A - Vehicle-mounted double-membrane ceramic water purification system - Google Patents
Vehicle-mounted double-membrane ceramic water purification system Download PDFInfo
- Publication number
- CN113509842A CN113509842A CN202110877081.3A CN202110877081A CN113509842A CN 113509842 A CN113509842 A CN 113509842A CN 202110877081 A CN202110877081 A CN 202110877081A CN 113509842 A CN113509842 A CN 113509842A
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- ceramic
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- 239000012528 membrane Substances 0.000 title claims abstract description 149
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 100
- 239000000919 ceramic Substances 0.000 title claims abstract description 48
- 238000000746 purification Methods 0.000 title claims abstract description 22
- 238000011001 backwashing Methods 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 5
- 238000009826 distribution Methods 0.000 claims abstract description 3
- 239000010865 sewage Substances 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 3
- 238000005086 pumping Methods 0.000 abstract description 3
- 230000001680 brushing effect Effects 0.000 abstract description 2
- 238000011010 flushing procedure Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000000084 colloidal system Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/06—Tubular membrane modules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2317/00—Membrane module arrangements within a plant or an apparatus
- B01D2317/06—Use of membrane modules of the same kind
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2319/00—Membrane assemblies within one housing
- B01D2319/04—Elements in parallel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/04—Backflushing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/18—Use of gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/30—Mechanical cleaning, e.g. with brushes or scrapers
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a vehicle-mounted double-membrane ceramic water purification system, which comprises: mounting bracket, the inside of mounting bracket is provided with first membrane group and second membrane group and mutual symmetric distribution between first membrane group and the second membrane group, the upper portion that the upper portion of first membrane group was provided with first step motor and second membrane group is provided with second step motor, the inside of first membrane group and second membrane group all is provided with a plurality of ceramic membrane cores of group. When the first membrane group water works, the second membrane group enters an air/water backwashing mode, the cleaning brushes in the two membrane groups are used for rotatably brushing the surface of the ceramic membrane core all the time in the process, the backwashing is aimed at pumping high-pressure gas from the interior of the membrane core, backwashing the stains on the surface of the ceramic purification membrane group by using the gas, meanwhile, foreign matters on the surface of the ceramic, which are flushed by the gas, are cleaned by the brushes under the action of the brushes, and then the backwashing pump is used for flushing once by using clean water after the gas is flushed, so that the cleaning in the system is ensured.
Description
Technical Field
The invention relates to the technical field of vehicle-mounted water source purification, in particular to a vehicle-mounted double-membrane ceramic water purification system.
Background
The Chinese geographical position is in a natural disaster area, such as flood, tsunami, earthquake, fire and the like, when natural disasters occur, drinkable water sources play a crucial link for people suffering from the disasters, after geological disasters, a plurality of surface water sources are polluted to different degrees, water contains a plurality of toxic substances, silt, algae, spores, bacteria, colloid and the like, and the water sources are previously provided with a traditional purification system, so that the purification membrane is easy to be blocked, the normal work of the purification system is influenced, the system is complex to clean, and sometimes the membrane core in the purification membrane is difficult to clean, so that the membrane core in the purification membrane needs to be replaced. Therefore, a new technical solution needs to be provided.
Disclosure of Invention
The invention aims to provide a vehicle-mounted double-membrane ceramic water purification system, which solves the problems that at present, an outer frame is required to be used for installation in the production process of a non-woven fabric inner bag, the outer frame is processed manually, the efficiency is low, and the product quality is easy to occur.
In order to achieve the purpose, the invention provides the following technical scheme: an on-board dual-membrane ceramic water purification system comprising: a mounting rack, wherein a first membrane group and a second membrane group are arranged in the mounting rack, the first membrane group and the second membrane group are symmetrically distributed, a first step motor is arranged on the upper portion of the first membrane group, a second step motor is arranged on the upper portion of the second membrane group, a plurality of groups of ceramic membrane cores are arranged in the first membrane group and the second membrane group, a rotary brush mechanism is arranged on the upper portion of each ceramic membrane core, each rotary brush mechanism comprises an upper end supporting rod and a lower end supporting rod, a ceramic membrane is arranged between the upper end supporting rod and the lower end supporting rod, a rotary gear is arranged on the surface of the upper end supporting rod and connected with the power output end of the corresponding step motor, a brush support is arranged in the ceramic membrane cores, a brush body is arranged on the surface of the brush support, and the brush body is in contact with the ceramic membrane, the side of the first membrane group is provided with a first water inlet valve, the side of the second membrane group is provided with a second water inlet valve, the upper portion of the side branch pipe of the first water inlet valve is provided with a first exhaust valve, the upper portion of the side branch pipe of the second water inlet pipe is provided with a second exhaust valve, the side of the lower portion of the first membrane group is provided with a first sewage discharge valve, the side of the lower portion of the second membrane group is provided with a second sewage discharge valve, and the bottom of the first membrane group is provided with a first water outlet valve and the bottom of the second membrane group is provided with a second water outlet valve.
In a preferred embodiment of the present invention, the first inlet valve and the second inlet valve are communicated with each other through a pipe, and the end of the pipe is provided with an inlet.
As a preferred embodiment of the present invention, the output ends of the first exhaust valve and the second exhaust valve are provided with evacuation ports.
In a preferred embodiment of the invention, the first blowdown valve and the second blowdown valve are communicated through a pipeline, and a blowdown port is arranged at the tail end of the pipeline.
As a preferred embodiment of the present invention, the first outlet valve and the second outlet pipe are communicated with each other through a pipe, and a water outlet is disposed at a terminal of the pipe.
In a preferred embodiment of the present invention, a backwash valve is disposed on a surface of the connection pipe between the first outlet valve and the second outlet pipe, and an air inlet is disposed on a side surface of the backwash valve.
Compared with the prior art, the invention has the following beneficial effects:
the invention adopts a mode of mutually switching two membrane groups, namely one membrane group and one membrane group, 10 ceramic membrane cores are arranged in each membrane group, a rotary brush mechanism for cleaning is arranged on each membrane core, and the rotary brushes are driven to rotate by a stepping motor through a pinion. When the first membrane group water works, the second membrane group enters an air/water backwashing mode, the cleaning brushes in the two membrane groups brush the surface of the ceramic membrane core all the time in a rotating mode in the process, the backwashing is aimed at firstly pumping high-pressure gas from the inside of the membrane core, and then backwashing the stains on the surface of the ceramic purification membrane group with gas, meanwhile, under the action of the brushes, the foreign matters on the surface of the ceramic, which are flushed out by the gas, are cleaned by the brushes, and then the backwashing pump washes the stains once with clean water after the gas is flushed out, so that the inside of the system is ensured to be clean.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the mold core of the present invention;
FIG. 3 is a schematic view of the overall process of the present invention.
In the figure: 1. a mounting frame; 2. a first membrane group; 3. a second membrane group; 4. a first stepper motor; 5. a second stepping motor; 6. a first water inlet valve; 7. a second water inlet valve; 8. a first exhaust valve; 9. a second exhaust valve; 10. emptying the air; 11. a source water inlet; 12. a first waste valve; 13. a second blowoff valve; 14. a sewage draining outlet; 15. a first water outlet valve; 16. a second water outlet valve; 17. a backwash valve; 18. an air inlet; 19. a mold core; 20. a lower end support rod; 21. an upper end support rod; 22. a rotating gear; 23. a brush holder; 24. a ceramic membrane; 25. a brush body.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: an on-board dual-membrane ceramic water purification system comprising: mounting bracket 1, the inside of mounting bracket 1 is provided with first membrane group 2 and second membrane group 3 and first membrane group 2 and second membrane group 3 between mutual symmetric distribution, the upper portion of first membrane group 2 is provided with first step motor 4 and the upper portion of second membrane group 3 is provided with second step motor 5, the inside of first membrane group 2 and second membrane group 3 all is provided with a plurality of groups ceramic membrane core 19, a plurality of groups the upper portion of ceramic membrane core 19 is provided with rotatory brush mechanism, rotatory brush mechanism includes upper end bracing piece 21 and lower extreme bracing piece 20, be provided with ceramic membrane 24 between upper end bracing piece 21 and the lower extreme bracing piece 20, the surface of upper end bracing piece 21 is provided with rotatory gear 22 and rotatory gear 22 is connected with step motor's power take off end, the inside of ceramic membrane core 19 is provided with brush support 23 and the surface mounting of brush support 23 has brush body 25, the ceramic membrane filter is characterized in that the brush body 25 and the ceramic membrane 24 are in contact with each other, a first water inlet valve 6 is arranged on the side face of the first membrane group 2, a second water inlet valve 7 is arranged on the side face of the second membrane group 3, a first exhaust valve 8 is arranged on the upper portion of a side branch pipe of the first water inlet valve 6, a second exhaust valve 9 is arranged on the upper portion of a side branch pipe of the second water inlet pipe, a first blowdown valve 12 is arranged on the side face of the lower portion of the first membrane group 2, a second blowdown valve 13 is arranged on the side face of the lower portion of the second membrane group 3, a first water outlet valve 15 is arranged at the bottom of the first membrane group 2, and a second water outlet valve 16 is arranged at the bottom of the second membrane group 3. The first water inlet valve 6 is communicated with the second water inlet valve 7 through a pipeline, and a water inlet 11 is arranged at the tail end of the pipeline. And the output ends of the first exhaust valve 8 and the second exhaust valve 9 are provided with evacuation ports 10. The first blowdown valve 12 is communicated with the second blowdown valve 13 through a pipeline, and a blowdown port 14 is arranged at the tail end of the pipeline. The first water outlet valve 15 is communicated with the second water outlet pipe through a pipeline, and a water outlet is formed in the tail end of the pipeline. The surface of a connecting pipeline between the first water outlet valve 15 and the second water outlet pipe is provided with a backwashing valve 17, the side face of the backwashing valve 17 is provided with an air inlet 18, raw water enters the system from the water inlet 11, the second water inlet valve 7 is opened, the raw water enters the second membrane group 3, the second stepping motor 5 rotates, the second stepping motor 5 on the second membrane group 3 drives the internal ceramic filter element brush to rotate, it is guaranteed that foreign matters cannot occupy the surface of the ceramic membrane 24, a water source flows out from a water outlet through the second water outlet valve 16 after being filtered by the second membrane group 3, and the backwashing valve 17 is opened. The second blowoff valve 13 is opened every 5 minutes in the water production process, the second blowoff valve is automatically closed after 5 seconds of concentrated water are discharged, the sewage in the system is prevented from being excessively gathered, the second membrane group 3 and the first membrane group 2 are switched once every half hour, when the first membrane group 2 is switched to work, the first water inlet valve 6 is opened, raw water enters the first membrane group 2 and the second membrane group 3, the first stepping motor 4 and the second stepping motor 5 rotate simultaneously, the stepping motors on the first membrane group 2 and the second membrane group 3 drive the ceramic filter element hairbrush inside to rotate, foreign matters are prevented from occupying on the ceramic surface, water flows out from a water outlet through the second water outlet valve 16 after being filtered by the first membrane group 2 and the second membrane group 3, when the simultaneous work reaches 30 seconds, the second blowoff valve 7 is closed, the first water outlet valve 15 is opened, the second blowoff valve 13 is closed, the first blowoff valve 12 is opened every 5 minutes at regular time, and automatically closing after 5 seconds of concentrated water is discharged. At the moment, the second membrane group 3 does not work in water making, the first membrane group 2 enters a normal water making running state, meanwhile, the system enters a cleaning state of the second membrane group 3, the second exhaust valve 9 is opened, the first water outlet valve 15 is opened, and the backwashing valve 17 is opened. High-pressure gas reversely backflushs through the first water outlet valve 15, the second membrane group 3 and the second exhaust valve 9 from the gas inlet 18, sundries, colloid and iron rust attached to the surface of the ceramic membrane 24 are backflushed, the brush is driven by the rotation of the stepping motor to continuously wash the surface of the membrane, the backflush time of the high-pressure gas is 2 seconds, the gas pressure is 0.65 MPa, the gas washing valve is closed after the gas pressure is charged, the backflushing valve 17 is opened, the second blow-off valve 13 is opened, the second exhaust valve 9 is closed, backflushing water flows out of the sewage outlet 14 from the water inlet 11 through the backflushing valve 17, the second water outlet valve 16, the second membrane group 3 and the second blow-off valve 13 by the backflushing pump, and after the backflushing water is finished, the second blow-off valve 13 is closed, and the backflushing valve 17 is closed. When the first membrane group 2 works for 30 minutes, the two membrane groups are switched, the second water inlet valve 7 is opened, the second water outlet valve 16 is closed, the second membrane group 3 and the first membrane group 2 work simultaneously, after 1 minute, the first water inlet valve 6 is closed, the first water outlet valve 15 is opened, the second membrane group 3 starts to work, the first blow-down valve 12 is closed, the second blow-down valve 13 is opened every 5 minutes at regular time, and the two membrane groups are automatically closed after 5 seconds of concentrated water is discharged. After the switching is completed, the system starts to clean the first membrane group 2, the first exhaust valve 8 is opened, the first water outlet valve 15 is opened, the gas washing valve is opened, then high-pressure gas enters the first membrane group 2, sundries, colloid and iron rust attached to the surface of the ceramic membrane 24 are washed back, the brush is driven by the rotation of the stepping motor to continuously wash the surface of the membrane, the high-pressure gas backflushes for 2 seconds, the air pressure is 0.65 MPa, the gas washing valve is closed after the air pressure is charged, the backflushing valve 17 is opened, the first sewage discharge valve 12 is opened, the first exhaust valve 8 is closed, backflushing water flows out of the sewage discharge port 14 from the Y0005 water inlet 11 through the backflushing valve 17, the first water outlet valve 15, the first membrane group 2 and the first sewage discharge valve 12, and the backflushing valve 17 is closed after the backflushing water flows out of the sewage discharge port 14.
The invention adopts a mode of mutually switching two membrane groups, namely one membrane group and one membrane group, 10 ceramic membrane cores 19 are arranged in each membrane group, a rotary brush mechanism for cleaning is arranged on each membrane core 19, and the rotary brush is driven to rotate by a stepping motor through a pinion. When the first membrane group 2 is used for water production, the second membrane group 3 enters an air/water backwashing mode, the cleaning brushes inside the two membrane groups are used for rotatably brushing the surface of the ceramic membrane core 19 all the time in the process, the backwashing is aimed at firstly pumping high-pressure gas from the inside of the membrane core 19, the dirt on the surface of the ceramic purification membrane group is flushed away by gas, meanwhile, under the action of the brushes, the foreign matters flushed out from the surface of the ceramic by the gas are cleaned by the brushes, and at the moment, the backwashing pump is flushed once by clean water after the gas is flushed, so that the inside of the system is ensured to be clean.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a on-vehicle two membrane ceramic water purification system which characterized in that: the method comprises the following steps: mounting bracket (1), the inside of mounting bracket (1) is provided with first membrane group (2) and second membrane group (3) and first membrane group (2) and second membrane group (3) between mutual symmetric distribution, the upper portion that the upper portion of first membrane group (2) was provided with first step motor (4) and second membrane group (3) is provided with second step motor (5), the inside of first membrane group (2) and second membrane group (3) all is provided with a plurality of groups ceramic membrane core (19), a plurality of groups the upper portion of ceramic membrane core (19) is provided with rotatory brush mechanism, rotatory brush mechanism includes upper end bracing piece (21) and lower extreme bracing piece (20), be provided with ceramic membrane (24) between upper end bracing piece (21) and lower extreme bracing piece (20), the surface of upper end bracing piece (21) is provided with swing pinion (22) and is connected with step motor's power take off end, a brush support (23) is arranged inside the ceramic membrane core (19), a brush body (25) is arranged on the surface of the brush support (23), the brush body (25) is in mutual contact with the ceramic membrane (24), a first water inlet valve (6) is arranged on the side surface of the first membrane group (2), a second water inlet valve (7) is arranged on the side surface of the second membrane group (3), a first exhaust valve (8) is arranged at the upper part of the side branch pipe of the first water inlet valve (6), a second exhaust valve (9) is arranged at the upper part of the side branch pipe of the second water inlet pipe, the side surface of the lower part of the movable first membrane group (2) is provided with a first sewage discharge valve (12), the side surface of the lower part of the second membrane group (3) is provided with a second sewage discharge valve (13), the bottom of the first membrane group (2) is provided with a first water outlet valve (15) and the bottom of the second membrane group (3) is provided with a second water outlet valve (16).
2. The vehicle-mounted double-membrane ceramic water purification system as claimed in claim 1, wherein: the first water inlet valve (6) is communicated with the second water inlet valve (7) through a pipeline, and a water inlet (11) is formed in the tail end of the pipeline.
3. The vehicle-mounted double-membrane ceramic water purification system as claimed in claim 2, wherein: and the output ends of the first exhaust valve (8) and the second exhaust valve (9) are provided with evacuation ports (10).
4. The vehicle-mounted double-membrane ceramic water purification system as claimed in claim 3, wherein: the first blow-down valve (12) and the second blow-down valve (13) are communicated through a pipeline, and a blow-down outlet (14) is formed in the tail end of the pipeline.
5. The vehicle-mounted double-membrane ceramic water purification system as claimed in claim 1, wherein: the first water outlet valve (15) is communicated with the second water outlet pipe through a pipeline, and a water outlet is formed in the tail end of the pipeline.
6. The vehicle-mounted double-membrane ceramic water purification system as claimed in claim 1, wherein: and a backwashing valve (17) is arranged on the surface of a connecting pipeline between the first water outlet valve (15) and the second water outlet pipe, and an air inlet (18) is arranged on the side surface of the backwashing valve (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110877081.3A CN113509842A (en) | 2021-07-31 | 2021-07-31 | Vehicle-mounted double-membrane ceramic water purification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110877081.3A CN113509842A (en) | 2021-07-31 | 2021-07-31 | Vehicle-mounted double-membrane ceramic water purification system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113509842A true CN113509842A (en) | 2021-10-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110877081.3A Pending CN113509842A (en) | 2021-07-31 | 2021-07-31 | Vehicle-mounted double-membrane ceramic water purification system |
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| Country | Link |
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| CN (1) | CN113509842A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203469634U (en) * | 2013-08-21 | 2014-03-12 | 苏州国华环境技术有限公司 | Ceramic membrane filter with backwashing function |
| US20170113167A1 (en) * | 2015-10-21 | 2017-04-27 | Doosan Heavy Industries & Construction Co., Ltd. | Water purifying system and backwash module control method thereof |
| CN206980237U (en) * | 2017-07-12 | 2018-02-09 | 深圳信息职业技术学院 | A kind of ceramic-film tube self-cleaning filter |
| CN212236750U (en) * | 2020-04-23 | 2020-12-29 | 苏州新纽顿环保科技有限公司 | Double-membrane-group filtering device |
| CN112403279A (en) * | 2020-09-25 | 2021-02-26 | 浙江和达科技股份有限公司 | Ceramic membrane filtering device and air-water combined backwashing method thereof |
-
2021
- 2021-07-31 CN CN202110877081.3A patent/CN113509842A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203469634U (en) * | 2013-08-21 | 2014-03-12 | 苏州国华环境技术有限公司 | Ceramic membrane filter with backwashing function |
| US20170113167A1 (en) * | 2015-10-21 | 2017-04-27 | Doosan Heavy Industries & Construction Co., Ltd. | Water purifying system and backwash module control method thereof |
| CN206980237U (en) * | 2017-07-12 | 2018-02-09 | 深圳信息职业技术学院 | A kind of ceramic-film tube self-cleaning filter |
| CN212236750U (en) * | 2020-04-23 | 2020-12-29 | 苏州新纽顿环保科技有限公司 | Double-membrane-group filtering device |
| CN112403279A (en) * | 2020-09-25 | 2021-02-26 | 浙江和达科技股份有限公司 | Ceramic membrane filtering device and air-water combined backwashing method thereof |
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Application publication date: 20211019 |