CN206526575U - A kind of self-cleaning net type filter - Google Patents
A kind of self-cleaning net type filter Download PDFInfo
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- CN206526575U CN206526575U CN201720093266.4U CN201720093266U CN206526575U CN 206526575 U CN206526575 U CN 206526575U CN 201720093266 U CN201720093266 U CN 201720093266U CN 206526575 U CN206526575 U CN 206526575U
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- cleaning
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Abstract
For filter of the prior art using scraper plate self-cleaning so that the problem of influenceing filter life, the utility model provides a kind of self-cleaning net type filter, it includes housing, the filter screen for being arranged on enclosure interior, the Pneumatic cleaning system for being arranged on case top and the electric cabinet for controlling Pneumatic cleaning system, water inlet is provided with housing lower end, delivery port and blow-off pipe are respectively equipped with the side wall of housing upper；Pneumatic cleaning system includes cylinder, cylinder axis and accelerator card, and cylinder axis one end is arranged in cylinder, and the other end extends downwardly from cylinder and extended in housing, the lower end connection accelerator card of cylinder axis；Pressure tappings are provided with housing, for setting device for pressure measurement；Wherein, it is provided with gap between described accelerator card and filter screen.The utility model realizes filter screen self-cleaning using fluid " Bernoulli effect ", and substantially, filter screen cleaning part is not contacted cleaning performance with filter screen, can greatly improve filter screen service life.
Description
Technical field
The art of filters that the utility model belongs in hydrotreater, it is more particularly to a kind of simple in construction, it is nonabradable
Self-cleaning net type filter.
Background technology
Filter is as to the universal use device of water body purification, being indispensable on trandfer fluid medium pipeline important set
It is standby.It is mainly used to eliminate the impurity in raw water, so as to protect rear end valve and the normal of other equipment to use.Traditional self-cleaning net
Formula filtration device structure is complicated, and its obvious shortcoming has：1）Motor is needed to drive, while decelerator, driving device structure need to be equipped with
Complexity, demolition and maintenance are inconvenient；2）Traditional self-cleaning net type filter carries out filter screen cleaning by suction nozzle or brush, and structure is more multiple
Miscellaneous, the accuracy of manufacture requires higher, and abrasion can be produced during motion, it is necessary to regularly replace soil pick-up part.3）Traditional self-cleaning filter
Suction nozzle and brush are often directly contacted with filter screen during soil pick-up, filter screen can be caused to wear and tear, maintenance cost is higher.
The content of the invention
For filter of the prior art using scraper plate self-cleaning so that the problem of influenceing filter life, this practicality is new
Type provides a kind of simple in construction, and filter screen cleaning part is non-maintaining, the good self-cleaning net type filter of cleaning performance；This filter
With convenient for installation and maintenance, operate steadily reliable, complete machine maintenance cost is low, the features such as economic benefit is higher.
A kind of described self-cleaning net type filter, its solve problem technical scheme be：Including housing, it is arranged on housing
The filter screen of inside, the Pneumatic cleaning system for being arranged on case top and the electric cabinet for controlling Pneumatic cleaning system, its technical side
Case is：Water inlet is provided with housing lower end, delivery port and blow-off pipe, the position of blow-off pipe are respectively equipped with the side wall of housing upper
Put higher than delivery port；Pneumatic cleaning system includes cylinder, cylinder axis and accelerator card, and cylinder axis one end is arranged in cylinder, another
End extends downwardly from cylinder and extended in housing, the lower end connection accelerator card of cylinder axis；Described cylinder axis are set with filter screen coaxial line
Put；Pressure tappings are provided with housing, for setting device for pressure measurement；Wherein, it is provided between described accelerator card and filter screen
Gap.
Further, upper flange lid is provided between described housing upper end and cylinder, the upper flange, which is covered, to be provided with certainly
Dynamic air bleeding valve.
Further, the upper and lower ends of described cylinder are provided with location switch, and described location switch is electrically connected to electricity
Control case.
Further, described blow-off pipe connection electric blowdown valve.
Further, the device for pressure measurement and water outlet set on the high pressure pressure tappings on the right side of described water inlet
Low pressure pressure tappings on the device for pressure measurement that sets be each coupled electrically to differential pressure transmitter, the differential pressure transmitter is electrically connected to automatically controlled
Case.
It is preferred that, the gap between accelerator card and filter screen inwall is 20~30mm.
The beneficial effects of the utility model are：By using above-mentioned technical proposal, the utility model has following beneficial effect
Really：Filter screen self-cleaning is realized using fluid " Bernoulli effect ", cleaning performance is obvious." Bernoulli Jacob is imitated for the utility model application
Should ", self-cleaning is carried out to filter screen, i.e., when accelerator card is run to its interior, flows through the water flow velocity between accelerator card and filter screen
Degree increase, can effectively reduce the pressure of the screen surface in region between accelerator card and filter screen, act between accelerator card and filter screen
External and internal pressure difference on filter screen in corresponding region will increased dramatically, the correspondence between accelerator card and filter screen in the presence of pressure differential
The current on filter screen in region will accelerate flowing from outside to inside, can effectively remove the impurity adhered on filter screen.
Filter realizes that filter screen cleaning part is non-maintaining without suction nozzle or brush.The filter screen cleaning master of traditional self-cleaning filter
Suction nozzle or brush cleaning are relied on, its soil pick-up structure is more complicated, and because suction nozzle and brush are often directly contacted with filter screen, motion
When can produce abrasion, it is necessary to regularly replace soil pick-up part, have in the utility model, between accelerator card and filter screen between 20~30mm
Gap, can be achieved non-maintaining.
Improve filter screen service life.Suction nozzle and brush be often directly and filter screen during soil pick-up for traditional self-cleaning filter
Contact, can cause filter screen to wear and tear, and the utility model applies " Bernoulli effect ", and filter screen cleaning part is not contacted with filter screen, can be big
Width improves filter screen service life.
Brief description of the drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is filter screen self-cleaning process schematic.
Marked in figure：Location switch under 1- cylinders, the upper location switches of 2-, 3-, 4- automatic exhaust steam valves, 5- upper flange lids, 6-
Blow-off pipe, 7- electric blowdown valves, 8- housings, 9- electric cabinets, 10- filter screens, 11- water inlets, 12- high pressure pressure tappings, 13- low pressure
Pressure tappings, 14- differential pressure transmitters, 15- delivery ports, 16- accelerator cards, 17- cylinder axis.
Embodiment
The utility model is further detailed below in conjunction with the accompanying drawings.
Such as Fig. 1 ~ 2, a kind of self-cleaning net type filter, including housing 8, be arranged on inside housing 8 filter screen 10, be arranged on
The Pneumatic cleaning system at the top of housing 8 and the electric cabinet 9 for controlling Pneumatic cleaning system, its technical scheme is：In the lower end of housing 8
Provided with water inlet 11, delivery port 15 and blow-off pipe 6 are respectively equipped with the side wall on the top of housing 8, the position of blow-off pipe 6 is higher than
The mouth of a river 15；Pneumatic cleaning system includes cylinder 1, cylinder axis 17 and accelerator card 16, and the one end of cylinder axis 17 is arranged in cylinder 1, separately
One end extends downwardly from cylinder 1 and extended in housing 8, the lower end connection accelerator card 16 of cylinder axis 17；Described cylinder axis 17 and filter
Net 10 is coaxially set；Pressure tappings are provided with housing 8, for setting device for pressure measurement；Wherein, described accelerator card 16 with
Gap is provided between filter screen 10.
Further, upper flange lid 5 is provided between the described upper end of housing 8 and cylinder 1, is set on the upper flange lid 5
There is automatic exhaust steam valve 4.
Further, the upper/lower terminal of cylinder 1 sets location switch 2, lower location switch 3 respectively, it is described it is upper in place
Switch 2, lower location switch 3 are electrically connected to electric cabinet 9.
Further, blow-off pipe 6 is connected with electric blowdown valve 7；The electric blowdown valve 7 is electrically connected to electric cabinet 9.
Further, at the device for pressure measurement and delivery port 15 set on the high pressure pressure tappings 12 on the right side of water inlet 11
Low pressure pressure tappings 13 on the device for pressure measurement that sets be each coupled electrically to differential pressure transmitter 14, the differential pressure transmitter 14 is electrically connected
To electric cabinet 9.
It is preferred that, the gap between accelerator card 16 and the inwall of filter screen 10 is 20~30mm.
As shown in Figure 2：When accelerator card 16 is run to 10 inside of filter screen, the current between accelerator card 16 and filter screen 10 are flowed through
Speed increases, and can effectively reduce the pressure of the screen surface in region between accelerator card 16 and filter screen 10, act on the He of accelerator card 16
The external and internal pressure difference on filter screen 10 between filter screen 10 in corresponding region will increased dramatically, accelerator card 16 in the presence of pressure differential
The current on filter screen 10 between filter screen 10 in corresponding region will accelerate flowing from outside to inside, can effectively remove attached on filter screen 10
The impurity.
Utility model works process is as follows：Raw water is flowed into inside filter screen 10 from water inlet 11, after being filtered through filter screen 10
Filtrate is flowed out from delivery port 15, and the automatic exhaust steam valve 4 on upper flange lid 5 will ensure that raw water full of inside whole housing 8.
When accumulation of foreign matter is more on filtering a period of time, the inwall of filter screen 10, in high pressure pressure tappings 12 and low pressure pressure tappings
Pressure difference between 13 is reached after the differential pressure value that differential pressure transmitter 14 is set, by trigger signal feedback to electric cabinet 9, electric cabinet 9
Startup self-cleaning control signal will be sent to electric blowdown valve 7 and cylinder 1, electric blowdown valve 7 will be run by closed mode and be opened,
The cylinder axis 17 of cylinder 1 will drive accelerator card 16 to start to be moved along a straight line downwards simultaneously, when accelerator card 16 is run to filter screen 10
When internal, from " Bernoulli effect ", the water velocity increase between accelerator card 16 and filter screen 10 flowed through, can be effectively reduced
The pressure of the screen surface in region between accelerator card 16 and filter screen 10, is acted between accelerator card 16 and filter screen 10 in corresponding region
Filter screen 10 on external and internal pressure difference will increased dramatically, the corresponding region between accelerator card 16 and filter screen 10 in the presence of pressure differential
Current on interior filter screen 10 will accelerate flowing from outside to inside, can effectively remove the impurity adhered on filter screen 10.When accelerator card 16
When running to the setting height of lower location switch 3, cylinder axis 17 will drive accelerator card 16 to be moved along a straight line back up, when adding
Fast plate 16 is reversed linear motion again when running the setting height of supreme location switch 2, is repeated in until differential pressure transporting
Device 14 is less than the setting value of differential pressure transmitter 14, and end-state is that accelerator card 16 is running the setting height of supreme location switch 2
When, upper location switch 2 will send feedback signal to electric cabinet 9, and electric cabinet 9 will send stop signal to electric blowdown valve 7 and gas
Cylinder 1, electric blowdown valve 7 and cylinder 1 are stopped.Regional area water between accelerator card 16 and filter screen 10 is removed in whole cleaning process
Outside stream flows to outside filter screen 10 filter screen is cleaned inside it, other position current of filter screen 10 are kept inside filter screen 10
Flow to outside it, realize strainer screen filtering and worked simultaneously with filter screen self-cleaning.
It the foregoing is only preferred embodiment of the present utility model and oneself, it is all at this not to limit the utility model
Any modifications, equivalent substitutions and improvements made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (6)
1. a kind of self-cleaning net type filter, including housing（8）, be arranged on housing（8）Internal filter screen（10）, be arranged on housing
（8）The Pneumatic cleaning system at top and the electric cabinet for controlling Pneumatic cleaning system（9）, it is characterized in that：In housing（8）Lower end is set
There is water inlet（11）, in housing（8）Delivery port is respectively equipped with the side wall on top（15）And blow-off pipe（6）, blow-off pipe（6）Position
Put higher than delivery port（15）；Pneumatic cleaning system includes cylinder（1）, cylinder axis（17）And accelerator card（16）, cylinder axis（17）One
End is arranged on cylinder（1）Interior, the other end extends downwardly from cylinder（1）Extend to housing（8）It is interior；Cylinder axis（17）Lower end connection plus
Fast plate（16）；Described cylinder axis（17）With filter screen（10）It is coaxially set；Housing（8）On be provided with pressure tappings, for setting
Device for pressure measurement；Wherein, described accelerator card（16）With filter screen（10）Between be provided with gap.
2. a kind of self-cleaning net type filter according to claim 1, it is characterized in that：Described housing（8）Upper end is set
Upper flange lid（5）With cylinder（1）Connection, the upper flange lid（5）On be provided with automatic exhaust steam valve（4）.
3. a kind of self-cleaning net type filter according to claim 1, it is characterized in that：Cylinder（1）Upper/lower terminal difference
Location switch in setting（2）, lower location switch（3）；Described upper location switch（2）, lower location switch（3）Electrically connect electric cabinet
（9）.
4. a kind of self-cleaning net type filter according to claim 1, it is characterized in that：Blow-off pipe（6）It is connected with electronic row
Dirty valve（7）；The electric blowdown valve（7）It is electrically connected to electric cabinet（9）.
5. a kind of self-cleaning net type filter according to claim 1, it is characterized in that：Water inlet（11）The high pressure on right side takes
Press mouth（12）The device for pressure measurement and delivery port of upper setting（15）The pressure measxurement set on the low pressure pressure tappings (13) at place
Device is each coupled electrically to differential pressure transmitter（14）, the differential pressure transmitter（14）It is electrically connected to electric cabinet（9）.
6. a kind of self-cleaning net type filter according to claim 1, it is characterized in that：Accelerator card（16）With filter screen（10）It is interior
Gap between wall is 20~30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720093266.4U CN206526575U (en) | 2017-01-24 | 2017-01-24 | A kind of self-cleaning net type filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720093266.4U CN206526575U (en) | 2017-01-24 | 2017-01-24 | A kind of self-cleaning net type filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206526575U true CN206526575U (en) | 2017-09-29 |
Family
ID=59920544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720093266.4U Active CN206526575U (en) | 2017-01-24 | 2017-01-24 | A kind of self-cleaning net type filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206526575U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108408382A (en) * | 2018-03-08 | 2018-08-17 | 深圳市正源三清环保科技有限公司 | A kind of filtrate delivery device |
| CN114405124A (en) * | 2022-01-12 | 2022-04-29 | 上海水泵制造有限公司 | Self-cleaning filter of condensate pump |
-
2017
- 2017-01-24 CN CN201720093266.4U patent/CN206526575U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108408382A (en) * | 2018-03-08 | 2018-08-17 | 深圳市正源三清环保科技有限公司 | A kind of filtrate delivery device |
| CN108408382B (en) * | 2018-03-08 | 2024-05-24 | 深圳市正源三清环保科技有限公司 | Filter material throwing device |
| CN114405124A (en) * | 2022-01-12 | 2022-04-29 | 上海水泵制造有限公司 | Self-cleaning filter of condensate pump |
| CN114405124B (en) * | 2022-01-12 | 2023-09-05 | 上海水泵制造有限公司 | Self-cleaning filter of condensate pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210126 Address after: No. 169, Binhe South Road, Luolong District, Luoyang City, Henan Province Patentee after: NO.725 RESEARCH INSTITUTE OF CHINA SHIPBUILDING INDUSTRY Corp. Address before: 471000 shuangxiang Road, Luoxin Industrial Park, Xin'an County, Luoyang City, Henan Province Patentee before: LUOYANG SHUANGRUI METAL COMPOSITE MATERIALS Co.,Ltd. |
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| TR01 | Transfer of patent right |