CN109603260A - Filter device - Google Patents
Filter device Download PDFInfo
- Publication number
- CN109603260A CN109603260A CN201811631866.7A CN201811631866A CN109603260A CN 109603260 A CN109603260 A CN 109603260A CN 201811631866 A CN201811631866 A CN 201811631866A CN 109603260 A CN109603260 A CN 109603260A
- Authority
- CN
- China
- Prior art keywords
- filter core
- switch
- shell
- air inlet
- discharging chamber
- 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.)
- Pending
Links
- 238000007599 discharging Methods 0.000 claims abstract description 58
- 239000002002 slurry Substances 0.000 claims abstract description 50
- 238000010079 rubber tapping Methods 0.000 claims abstract description 21
- 238000012806 monitoring device Methods 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 16
- 238000012360 testing method Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 238000011109 contamination Methods 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/31—Self-supporting filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The present invention discloses a kind of filter device comprising shell is provided with filter core in the inner cavity of shell, the inner cavity of shell is separated into feed cavity and discharging chamber by filter core, feeding-passage and tapping channel are provided on shell, feeding-passage is connected to feed cavity, and tapping channel is connected to discharging chamber；Air inlet is additionally provided on shell, air inlet is connected to discharging chamber, and air inlet is for high pressure gas to be transported in discharging chamber；Discharge gate is additionally provided on shell, discharge gate is connected to feed cavity.Filter device of the invention is not in that slurry coheres on filter core when replacing filter core, cohering on filter core because of slurry, will not occur in the problem of abandoning with the filter core replaced, slurry is caused to waste, and then when replacing filter core, slurry is fallen the problem of discharge port is by filtered slurry contamination.
Description
Technical field
The present invention relates to battery preparation technology field more particularly to a kind of filter devices.
Background technique
Lithium battery coating has crucial influence to battery with two side terminals, and influences many because being known as of coating quality,
Middle slurries filtration effect is bad, is easy to cause in coating and the abnormal problems such as scratch, particle protrusion or concave point occurs.So slurry
Material is filtered using filter device, to reduce influence of the slurry to cell coating quality.Currently, filter device is provided with filter core
Structure, filter cartridge construction is mostly that stainless steel wire strainer 01 wraps up frame of filter element composition, as shown in Figure 1, stainless steel wire strainer 01 customizes
For tubular, fixed after being inserted in frame of filter element with clip.This filter device the problem is that: strainer must customize, customize valence
Lattice are expensive；Replacement strainer, residual slurry are more every time；Since mobility is not strong, there can be solidification conglomeration, replacement process has been easy slurry
Material falls into discharge port；；Because cleaning difficulty is larger, belong to expendable consumed product；After there is blocking in stainless steel filtering net, it is necessary to immediately more
It changes.
Summary of the invention
In view of this, residual slurry exists when solving to replace filter core the purpose of the present invention is to provide a kind of filter device
Problem on filter core.
In order to achieve the above objectives, the invention adopts the following technical scheme:
A kind of filter device, including shell, are provided with filter core in the inner cavity of the shell, and the filter core is by the shell
Inner cavity is separated into feed cavity and discharging chamber, is provided with feeding-passage and tapping channel on the shell, the feeding-passage with into
Expect chamber connection, the tapping channel is connected to discharging chamber；Be additionally provided with air inlet on the shell, the air inlet and it is described go out
Expect chamber connection, the air inlet is for high pressure gas to be transported in the discharging chamber；It is additionally provided with discharge gate on the shell,
The discharge gate is connected to the feed cavity.
Preferably, a part of the tapping channel is arranged in the discharging chamber, and the tapping channel is arranged described
One end in discharging chamber is arranged close to the filter core.
It preferably, further include filter core bracket, the quantity of the filter core bracket is two, and the filter core is installed in described two
Between the filter core bracket, the filter core bracket is sealingly mounted on the shell.
It preferably, further include position monitoring device, on the housing, the position is supervised for the position detecting device installation
Survey the liquid level that device is used to monitor slurry in the discharging chamber.
Preferably, the position monitoring device includes liquid level test electrode, a part setting of the liquid level test electrode
In the discharging chamber.
Preferably, the quantity of the position monitoring device is two, wherein one for monitoring slurry in the discharging chamber
Extreme lower position, another is used to monitor the extreme higher position of slurry in the discharging chamber.
Preferably, air inlet switch is provided at the air inlet；
Discharge switch is provided at the discharge gate；
Charging switch is provided on the feeding-passage；
Discharging switch is provided on the tapping channel.
Preferably, further include control unit, described control unit and the air inlet switch, discharge switch, it is described into
Material switch, discharging switch and the connection of position monitoring device signal, described control unit is according to the position monitoring device
Monitoring result control the air inlet switch, discharge switch, charging switch, the discharging switch.
Preferably, the filter core is stainless steel wire strainer.
Preferably, the shell includes upper casing and lower casing, and the upper casing and lower casing are detachably connected.
Preferably, the lower casing is located at the side where the feed cavity, and the discharge gate includes multiple, multiple discharge gates
It is evenly arranged on the lower casing.
Filter device of the invention will be cohered on filter core by the cooperation of air inlet and discharge gate using high pressure gas
Slurry blow to feed cavity be not in that slurry is glutinous when replacing filter core so that many slurries will not be cohered on the filter core
Knot the problem of abandoning with the filter core replaced, slurry is caused to waste, will not occur cohering because of slurry in filter core on filter core
On, and then when replacing filter core, slurry is fallen the problem of discharge port is by filtered slurry contamination.
Detailed description of the invention
By referring to the drawings to the description of the embodiment of the present invention, the above and other purposes of the present invention, feature and
Advantage will be apparent from.
Fig. 1 is the cross-sectional view of existing filter device in background technique；
Fig. 2 is the cross-sectional view of filter device of the invention in specific embodiment；
Fig. 3 is the structural schematic diagram of filter device of the invention in specific embodiment；
Fig. 4 is the cross-sectional view of filter core bracket of the invention in specific embodiment.
In figure:
1, shell；11, feed cavity；12, discharging chamber；13, feeding-passage；131, charging switch；14, tapping channel；141,
Discharging switch；15, air inlet；16, discharge gate；161, discharge switchs；17, upper casing, 18, lower casing；
2, filter core；
3, filter core bracket；
4, position monitoring device；41, liquid level tests electrode；
5, sealing ring.
Specific embodiment
Below based on embodiment, present invention is described, but the present invention is not restricted to these embodiments.Under
Text is detailed to describe some specific detail sections in datail description of the invention.
In addition, it should be understood by one skilled in the art that provided herein attached drawing be provided to explanation purpose, and
What attached drawing was not necessarily drawn to scale.
Unless the context clearly requires otherwise, "include", "comprise" otherwise throughout the specification and claims etc. are similar
Word should be construed as the meaning for including rather than exclusive or exhaustive meaning；That is, be " including but not limited to " contains
Justice.
In the description of the present invention, it is to be understood that, term " first ", " second " etc. are used for description purposes only, without
It can be interpreted as indication or suggestion relative importance.In addition, in the description of the present invention, unless otherwise indicated, the meaning of " multiple "
It is two or more.
Referring to shown in Fig. 2-Fig. 4, the present invention provides a kind of filter device, can be used in the slurry that filtering prepares battery.
The filter device includes shell 1, as shown in Fig. 2, filter core 2 is provided in the inner cavity of the shell 1, the filter core
The inner cavity of the shell 1 is separated into feed cavity 11 and discharging chamber 12 by 2, and feeding-passage 13 and discharging are provided on the shell 1
The one end in channel 14, the feeding-passage 13 is connected to feed cavity 11, and the other end of the feeding passage 13 is connected to feeding engine,
Slurry to be transported in feed cavity 11, the tapping channel 14 is connected to discharging chamber 12；Air inlet is additionally provided on the shell 1
Mouth 15, the air inlet 15 is connected to the discharging chamber 12, and the air inlet 15 can be connected with high-pressure air source, the air inlet
15 for high pressure gas to be transported in the discharging chamber 12；Discharge gate 16, the discharge gate 16 are additionally provided on the shell 1
It is connected to the feed cavity 11, by the cooperation of air inlet 15 and discharge gate 16, before replacing filter core 2, will be filtered using air-flow
Slurry on core 2 is removed, and not will cause the waste of slurry, filtered slurry will not be caused by unfiltered slurry contamination
Problem, in addition, when filter core 2 slightly blocks, it can be by the cooperation of air inlet 15 and discharge gate 16, it will be attached using air-flow
The effectively cleaning such as particle, impurity on filter core 2, extend the service life of filter core 2, reduce the number of replacement filter core 2.It is worth explanation
, discharge gate 16 can be used for pressure release and discharge, wherein under inflation reaches high pressure conditions in the inner cavity of the shell 1, use
It is vented in pressure release, before cleaning filter core 2 or replacement filter core 2, slurry in feed cavity 11 can be discharged in advance, for example, rotating back into slurry
Batch can.
A part of the tapping channel 14 is arranged in the discharging chamber 12, the tapping channel 14 setting it is described go out
One end in material chamber 12 is arranged close to the filter core 2, as shown in Fig. 2, so that slurry in the discharging chamber 12 can be by
The discharging chamber 12 is excluded completely.
The filter device further includes filter core bracket 3, and as shown in Figure 2 and Figure 4, the quantity of the filter core bracket 3 is two,
The filter core 2 is installed between described two filter core brackets 3, in this way, when replacement filter core 2, convenient for disassembly and assembly, replacement effect
Rate is promoted.The filter core bracket 3 is sealingly mounted on the shell 1, for example, the filter core bracket 3 is mounted on by sealing ring 5
On the shell 1, as shown in Fig. 2, so, it is ensured that being effectively spaced apart between discharging chamber 12 and feed cavity 11.The filter core 2
For stainless steel wire strainer, the filter core 2 can directly cut to obtain, and not need specially to purchase.
The shell 1 includes upper casing 17 and lower casing 18, as shown in Fig. 2, the upper casing 17 and lower casing 18 are detachably connected, example
Such as, it is threadedly coupled between the upper casing 17 and the lower casing 18.The lower casing 18 is located at the side where the feed cavity 11, institute
Discharge gate 16 is stated including multiple, multiple discharge gates 16 are evenly arranged on the lower casing 17, as shown in figure 3, discharge gate 16 is arranged as
It is multiple, it is used interchangeably, to guarantee filter core 2 by comprehensive cleaning, close to the air-flow and slurry of discharge gate 16 when will not be because of pressure release
Stream is fast out, and pressure drop is fast, and the part-structure part cleaning for filter core 2 occur is thorough, and part-structure clears up halfway problem.
The filter device further includes position monitoring device 4, and as shown in Figures 2 and 3, the position detecting device 4 is installed
On the shell 1, the position monitoring device 4 is used to monitor the liquid level of slurry in the discharging chamber 12.Have at one
In the embodiment of body, the position monitoring device 4 includes that liquid level tests electrode 41, a part of the liquid level test electrode 41
It is arranged in the discharging chamber 12.Preferably, the quantity of the position monitoring device 4 is two, wherein one for monitoring institute
The extreme lower position of slurry in discharging chamber 12 is stated, another is used to monitor the extreme higher position of slurry in the discharging chamber 12, for example, institute
The quantity for stating liquid level test electrode 41 is two, wherein the end of a liquid level test electrode 41 is another close to the filter core 2
The end of a liquid level test electrode 41 is close to the shell 1.
In a specific embodiment, as shown in Fig. 2, being provided with air inlet switch at the air inlet 15, the row
It is provided with discharge switch 161 at material mouth 16, is provided on the feeding-passage 13 and feeds switch 131, on the tapping channel 14
It is provided with discharging switch 141, the discharge switch 161, the charging switch 131, the discharging switch 141 are preferably ball valve,
Whether the air inlet switch is used to control high-pressure air source the connection with the air inlet 15.
The filter device further includes control unit, and described control unit and the air inlet switch, the discharge switch
161, the charging switch 131, the discharging switch 141 and 4 signal of position monitoring device connection, described control unit according to
The monitoring result of the position monitoring device 4 control the air inlet switch, the discharge switch 161, the charging switch 131,
The discharging switch 141.
Filter device of the invention, the course of work of filter slurry are as follows: close discharge switch 16, close air inlet switch, open
Charging switch 131 is opened, discharging switch 141 is opened, slurry enters feed cavity 12 by feeding-passage 13 by feeding engine, and feeding engine is held
Continuous to provide pressure, slurry enters discharging chamber 12 by filter core 2, and filtered slurry enters subsequent feeder sleeve by tapping channel 14
In road and transfer tank, in the process, position monitoring device continues to monitor the liquid level of slurry in the discharging chamber 12, realizes filtering
Slurry.
Filter device of the invention replaces the course of work of filter core 2 are as follows: the pressure when feed pump feed is excessive or goes out
The discharging in amount channel 14 substantially reduces, and stops being fed to feed cavity 11, closes charging switch 131, opens air inlet switch, keep out
Expect that switch 141 is in the open state, keeps discharge switch 16 to be in close state, the slurry in discharging chamber 12 is in high pressure gas
It under effect, is discharged from tapping channel 14, when position monitoring device 4 monitors that the liquid level of slurry is lower limit value, closes discharging and open
141 are closed, discharge switch 161 is opened, keeps the air inlet switch in the open state, keeps the charging switch to be in and closes shape
State is attached on the slurry on the filter core 2 and enters the feed cavity 12 under the action of high pressure gas, when position monitoring device 4
Monitor that the liquid level of slurry lower than after strainer, closes air inlet switch, closes discharge switch 161, by 15 discharge of air inlet, remove
Upper casing 17 takes out upper layer filter core bracket 3, after replacing filter core 2, has reinstalled filter core bracket 3, has installed upper casing 17, realizes
Replace filter core 2.
Filter device of the invention cleans the course of work of filter core 2 are as follows: and charging switch 131 is closed, air inlet switch is opened,
It keeps discharging switch 141 in the open state, keeps discharge switch 16 to be in close state, the slurry in discharging chamber 12 is in high pressure
Under the action of gas, from tapping channel 14 be discharged, when tapping channel 14 without slurry flow out when, close discharging switch 141, keep into
Air cock 15 is in the open state, keeps discharge switch 161 to be in close state, reaches 0.8-1MPa to 12 pressure of discharging chamber,
Discharge switch 161 is opened, the air inlet switch is closed, discharging switch 141 is kept to be in close state, keeps the charging switch
It is in close state, is attached on the slurry on the filter core 2 and enters the feed cavity 12 under the action of hyperbar gas, realize
Clean filter core 2.
Those skilled in the art will readily recognize that above-mentioned each preferred embodiment can be free under the premise of not conflicting
Ground combination, superposition.
The above description is only a preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For, the invention can have various changes and changes.All any modifications made within the spirit and principles of the present invention are equal
Replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (11)
1. a kind of filter device, which is characterized in that including shell, filter core is provided in the inner cavity of the shell, the filter core will
The inner cavity of the shell is separated into feed cavity and discharging chamber, is provided with feeding-passage and tapping channel on the shell, it is described into
Material channel is connected to feed cavity, and the tapping channel is connected to discharging chamber；Air inlet, the air inlet are additionally provided on the shell
Mouth is connected to the discharging chamber, and the air inlet is for high pressure gas to be transported in the discharging chamber；It is also set on the shell
It is equipped with discharge gate, the discharge gate is connected to the feed cavity.
2. filter device according to claim 1, which is characterized in that the tapping channel a part setting it is described go out
Expect in chamber, the tapping channel is arranged in one end in the discharging chamber and is arranged close to the filter core.
3. filter device according to claim 1, which is characterized in that it further include filter core bracket, the number of the filter core bracket
Amount is two, and the filter core is installed between described two filter core brackets, and the filter core bracket is sealingly mounted at the shell
On body.
4. filter device according to claim 1, which is characterized in that further include position monitoring device, the position detection
Device is installed on the housing, and the position monitoring device is used to monitor the liquid level of slurry in the discharging chamber.
5. filter device according to claim 4, which is characterized in that the position monitoring device includes liquid level test electricity
A part of pole, the liquid level test electrode is arranged in the discharging chamber.
6. filter device according to claim 4, which is characterized in that the quantity of the position monitoring device is two,
In, one for monitoring the extreme lower position of slurry in the discharging chamber, another is for monitoring in the discharging chamber slurry most
High position.
7. filter device according to claim 4, which is characterized in that be provided with air inlet switch at the air inlet；
Discharge switch is provided at the discharge gate；
Charging switch is provided on the feeding-passage；
Discharging switch is provided on the tapping channel.
8. filter device according to claim 7, which is characterized in that further include control unit, described control unit and institute
State air inlet switch, discharge switch, charging switch, discharging switch and the connection of position monitoring device signal, institute
State control unit according to the monitoring result of the position monitoring device control the air inlet switch, discharge switch, it is described into
Material switch, discharging switch.
9. filter device according to claim 1, which is characterized in that the filter core is stainless steel wire strainer.
10. filter device according to claim 1, which is characterized in that the shell includes upper casing and lower casing, the upper casing
It is detachably connected with lower casing.
11. filter device according to claim 10, which is characterized in that the lower casing is located at one where the feed cavity
Side, the discharge gate include it is multiple, multiple discharge gates are evenly arranged on the lower casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811631866.7A CN109603260A (en) | 2018-12-29 | 2018-12-29 | Filter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811631866.7A CN109603260A (en) | 2018-12-29 | 2018-12-29 | Filter device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109603260A true CN109603260A (en) | 2019-04-12 |
Family
ID=66015315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811631866.7A Pending CN109603260A (en) | 2018-12-29 | 2018-12-29 | Filter device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109603260A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4219423A (en) * | 1978-09-27 | 1980-08-26 | Muskin Corporation | Air-injection cleaning system for liquid filters |
| JP2002018209A (en) * | 2000-07-11 | 2002-01-22 | Mitsubishi Rayon Co Ltd | Cartridge for cleaning water |
| CN201353453Y (en) * | 2009-02-09 | 2009-12-02 | 乌鲁木齐现代石油化工有限公司 | Filter |
| CN203469596U (en) * | 2013-08-04 | 2014-03-12 | 陈凤珠 | Bypass flow circulation water treater |
| WO2015076524A1 (en) * | 2013-11-21 | 2015-05-28 | 현대중공업 주식회사 | Filter device |
| WO2015131619A1 (en) * | 2014-03-06 | 2015-09-11 | 海尔集团技术研发中心 | Filter and washing machine provided with circulating water filter system |
| CN106215482A (en) * | 2016-08-31 | 2016-12-14 | 中船黄埔文冲船舶有限公司 | A kind of sea water filter |
| CN108623118A (en) * | 2018-05-07 | 2018-10-09 | 西安交通大学 | A kind of continuous exhaust pneumatic wallop, the backwash of interval deslagging band three phase separator |
| CN209696431U (en) * | 2018-12-29 | 2019-11-29 | 河北银隆新能源有限公司 | Filter device |
-
2018
- 2018-12-29 CN CN201811631866.7A patent/CN109603260A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4219423A (en) * | 1978-09-27 | 1980-08-26 | Muskin Corporation | Air-injection cleaning system for liquid filters |
| JP2002018209A (en) * | 2000-07-11 | 2002-01-22 | Mitsubishi Rayon Co Ltd | Cartridge for cleaning water |
| CN201353453Y (en) * | 2009-02-09 | 2009-12-02 | 乌鲁木齐现代石油化工有限公司 | Filter |
| CN203469596U (en) * | 2013-08-04 | 2014-03-12 | 陈凤珠 | Bypass flow circulation water treater |
| WO2015076524A1 (en) * | 2013-11-21 | 2015-05-28 | 현대중공업 주식회사 | Filter device |
| WO2015131619A1 (en) * | 2014-03-06 | 2015-09-11 | 海尔集团技术研发中心 | Filter and washing machine provided with circulating water filter system |
| CN106215482A (en) * | 2016-08-31 | 2016-12-14 | 中船黄埔文冲船舶有限公司 | A kind of sea water filter |
| CN108623118A (en) * | 2018-05-07 | 2018-10-09 | 西安交通大学 | A kind of continuous exhaust pneumatic wallop, the backwash of interval deslagging band three phase separator |
| CN209696431U (en) * | 2018-12-29 | 2019-11-29 | 河北银隆新能源有限公司 | Filter device |
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