CN1810343A - Automatic backflush filtering net for micro irrigation - Google Patents
Automatic backflush filtering net for micro irrigation Download PDFInfo
- Publication number
- CN1810343A CN1810343A CN 200510048198 CN200510048198A CN1810343A CN 1810343 A CN1810343 A CN 1810343A CN 200510048198 CN200510048198 CN 200510048198 CN 200510048198 A CN200510048198 A CN 200510048198A CN 1810343 A CN1810343 A CN 1810343A
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- Prior art keywords
- filtering net
- filter
- pipe
- micro irrigation
- blow
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- 238000001914 filtration Methods 0.000 title claims abstract description 39
- 230000002262 irrigation Effects 0.000 title claims description 40
- 238000003973 irrigation Methods 0.000 title claims description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 230000003028 elevating effect Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- 238000005304 joining Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 239000010865 sewage Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000003621 irrigation water Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- Filtration Of Liquid (AREA)
Abstract
The automatic backflush net filter has the basic structure including a filter casing with water inlet and water outlet, a filtering net set inside the casing, and a dirt draining pipe inside the filtering net. It features the filter casing separated into a filtering cavity a dirt draining cavity; and the dirt draining pipe penetrating the filtering cavity the dirt draining cavity and possessing one up and down moving water driven rotating body coaxial with the filtering net and homogeneously distributed dirt sucking tubes perpendicular to the filtering net. The dirt draining pipe has simultaneous radial rotation and axial shift to make the inside of the filtering net flushed successively without affecting the normal operation of the filter. The automatic backflush net filter has low manufacture and use cost and may be used widely in agriculture.
Description
Technical field
The present invention relates to a kind of automatic backflush filtering net for micro irrigation that is used for, is the matching component of slight irrigation, sprinkling irrigation, belongs to agricultural water-saving irrigation mechanical filter equipment technology field, is particularly useful for the backwash in the irrigation process of farmland slight irrigation filter and handles.
Background technology
Popularization and application along with water-saving irrigation technique; water filter has also obtained large-scale development; existing farmland water filtration treatment facility all is to adopt serial arrangement to connect; irrigation water is tentatively filtered through centrifugal silt filter; enter stacked or well strainer again; the washing problems major part of well strainer is continued to use to shut down and is pulled down artificial cleaning or under the prerequisite that stops to irrigate; realize the backwash of screen pack by changing the direction of a stream of water; the problem that this screen pack backwash mode exposes is that filter plant connects complexity; the manufacturing cost height; application number " 02125390.0 backwash net-type filter " has proposed a kind of filter that can realize the screen pack backwash in irrigation immediately; basic structure be provided with in the middle of the screen pack rotation blowdown mechanism will net in the dirt sucking-off; the subject matter of this technical scheme is to add rotary power; its manufacturing cost will be improved greatly, otherwise the backwash of screen pack and filter normal irrigation can't carry out simultaneously.
Summary of the invention
The object of the present invention is to provide a kind of automatic backflush filtering net for micro irrigation, utilize flow dynamic to realize the backwash of screen pack.
Technical scheme of the present invention is achieved in that this automatic backflush filtering net for micro irrigation, its basic structure comprises filter housings and the interior screen pack that is provided with of housing that intake-outlet is set, the blow-off pipe that is provided with in the screen pack, it is characterized in that: filter housings is divided into filter chamber and blowdown chamber, described blow-off pipe be through filter chamber and blowdown chamber and with a hydrodynamic(al) rotary body that moves up and down of the concentric setting of screen pack, uniform on the blow-off pipe perpendicular to the dirt sucking tube that filters wire side.
Described automatic backflush filtering net for micro irrigation, the described blow-off pipe dirt sucking tube that radially is crisscross arranged.
The end that described automatic backflush filtering net for micro irrigation, described blow-off pipe extend in the filter chamber is provided with the hydrodynamic(al) impeller.
Described automatic backflush filtering net for micro irrigation, described blow-off pipe extend a section of blowdown chamber the hydrodynamic(al) jet pipe are set.
Described automatic backflush filtering net for micro irrigation, described hydrodynamic(al) jet pipe is symmetricly set in the blow-off pipe radial position, and the end of hydrodynamic(al) jet pipe respectively is provided with a hole for water spraying that direction is opposite.
Described automatic backflush filtering net for micro irrigation, described blow-off pipe is provided with elevating screw, and corresponding feed screw nut and support are set in the filter housings.
The end that described automatic backflush filtering net for micro irrigation, described blow-off pipe extend outside the blowdown chamber is provided with elevating screw, and the end face of filter housings is provided with corresponding feed screw nut.
Slipper and blowdown cavity shell joining place that described automatic backflush filtering net for micro irrigation, described blow-off pipe extend to outside the blowdown chamber are provided with backbone sealing ring.
Described automatic backflush filtering net for micro irrigation, described blowdown chamber be arranged at filter chamber above or below.
Described automatic backflush filtering net for micro irrigation, described blow-off pipe extends a end outside the blowdown chamber and lifting piston is set places in the cylinder body that the blowdown chamber is provided with, the cylinder body top is provided with and is communicated with blowdown chamber and the relief tube of filter chamber and the pressure control cavity of pressure inlet, piston rod is provided with lever and positioning chuck up and down, contact, switch lever end places in the slideway of switch rocking arm, the switch of control relief tube and pressure inlet.
Described automatic backflush filtering net for micro irrigation, described lever and switch rocking arm are hinged on bearing pin on the fixed head that is provided with in the pressure control cavity, and the lever contact is provided with spring.
Described automatic backflush filtering net for micro irrigation, described blowdown chamber is provided with sewage draining exit and sewage draining valve.
Described automatic backflush filtering net for micro irrigation, described screen pack are by plastic skeleton and the compounded basket type structure of stainless steel cloth.
Automatic backflush filtering net for micro irrigation of the present invention is owing to adopted hydrodynamic(al) impeller or hydrodynamic(al) piston and two groups of hydrodynamic(al) mechanisms of hydrodynamic(al) jet pipe at filter chamber and blowdown chamber; blow-off pipe is radially being moved axially in the rotation; screen pack inside is rinsed successively; not influencing filter during backwash normally uses; needn't shut down or change the direction of a stream of water; the manufacturing use cost of filter of the present invention is low, realizes backwash in the irrigation process, helps in the rural area popularization and application.
Description of drawings
Fig. 1 is a structure of filter schematic diagram of the present invention
Fig. 2 is the A-A profile of Fig. 1
Fig. 3 is the structural representation of another technical scheme of the present invention
Fig. 4 is the 3-D view of Fig. 3
Fig. 5 is the structural representation of the third technical scheme
Fig. 6 is the A-A profile of Fig. 5
Fig. 7 is a B partial enlarged drawing among Fig. 5
Among the figure: 1, sewage draining exit 2, blowdown chamber 3, filter housings 4, jet pipe 5, hole for water spraying 6, blow-off pipe 7, dirt sucking tube 8, pollution-absorbing nozzle 9, feed screw nut 10, elevating screw 11, rotary blade 12, water inlet 13, filter chamber 14, delivery port 15, screen pack, 16, filter rack 17, backbone sealing ring 18, pressure control cavity 19, cylinder body 20, lower chuck 21, upper chuck 22, lever 23, spring 24, contact 25, switch rocking arm 26, piston 27, relief tube 28, pressure inlet
The specific embodiment
Fig. 1, Fig. 2 provide first kind of embodiment of the present invention, filter shown in the figure is when normal the use, and filter sewage draining exit 1 is closed, and irrigation water enters filter chamber 13 from water inlet 12, current promote rotary blade 11 rotations, filter the back by screen pack 15 and discharge from delivery port 14; When filter need wash, open sewage draining exit 1, cause the pressure in the blowdown chamber 2 to descend, form pressure reduction between filter chamber 13 and blowdown chamber 2, this pressure reduction forces current to enter blowdown chamber 2 by pollution-absorbing nozzle 11, dirt sucking tube 7, blow-off pipe 6, jet pipe 4 and hole for water spraying 5 to reach purpose with dirt sucking-off in the screen pack.Because it is opposite to be located at hole for water spraying 5 directions at jet pipe 4 two ends, as see shown in Figure 2, just form a moment during water spray, the moment that is produced greater than rotary blade 11, make blow-off pipe 6 reverse rotations, simultaneously under the effect of elevating screw 10 and feed screw nut 9, blow-off pipe 6 is moved up, finish the blowdown process.
Close sewage draining exit 1, this moment, current still promoted rotary blade 11 rotation, moved down at the effect down blow pipe 6 of elevating screw 10 and feed screw nut 9 to reset.In an embodiment of the present invention, the outer surface of blow-off pipe 6 is provided with a terminal filament thick stick 10, and feed screw nut 9 is fixed on the support in the blowdown chamber.
The main innovate point of automatic backflush filtering net for micro irrigation shown in Figure 1 is only to need sewage draining valve of control, and blow-off pipe is just changeing when blowdown, and counter-rotating resets during irrigation, can realize that the online backflushing of filter is washed.
Fig. 3 and Fig. 4 provide second kind of technical scheme of the present invention, promptly elevating screw 10 and feed screw nut 9 are arranged at the outside in blowdown chamber, and adopt backbone sealing ring 17 to realize sealing, in actual applications, whether can observe directly blow-off pipe in the filter outside rotates, whether filter is working properly, in case of necessity manual power-assisted also.
Fig. 5,6,7 provides the elevating screw that the third embodiment of the present invention is about among Fig. 3 and replaces realizing moving up and down of blow-off pipe with pressure controlled piston.
Filter shown in the figure is when normal the use, filter sewage draining exit 1 is closed, irrigation water enters filter chamber 13 from water inlet 12, hydraulic pressure in blowdown chamber 2 and the filter chamber 13 equates that blow-off pipe 6 adopts light plastic to make together with piston 26, and proportion is less than water, thereby in water, be suspended state, under the acting in conjunction of lower chuck 20, lever 22, spring 23, contact 24 and switch rocking arm 25, the pressure inlet 28 of pressure control cavity 18 is shown in an open position, and relief tube 27 is closed.
When filter need wash, open sewage draining exit 1, cause the pressure in the blowdown chamber 2 to descend, the pressure that acts on piston 26 bottoms also descends, and under the pressure of water, piston 26 drives blow-off pipe 6 and moves downward together; When piston moved to lower dead center, under the acting in conjunction of upper chuck 21, lever 22, spring 23, contact 24, switch rocking arm 25, relief tube 27 was opened, and pressure inlet 28 is closed.Because opening of relief tube 27, the water in the pressure control cavity 18 is back to the balance that blowdown chamber 2 makes downforce on the piston 26, and under buoyancy function, blow-off pipe 6 rises together with piston 26.
When revolving hollow spindle 6 dirt sucking tubes 7 rise to after top dead center together with piston 26, system circulates again next time.Thus, as long as open sewage draining exit, under the effect of buoyancy and pressure control cavity, piston just drives blow-off pipe 6 and does and pump, thus the online dirt of adsorption filtration repeatedly, to reach the purpose of filter rinsed.
Filter core of the present invention 15 adopts stainless steel cloths and plastic skeleton 16 composite monolithic moulding to make, and blow-off pipe can adopt the plastic material manufacturing, can be easily from filter blowdown chamber 2 and filter chamber 13 joints fix and change.
Automatic recoil well strainer of the present invention can with centrifugal sand moisture from coarse filter be used in combination.
Foregoing description only proposes as several enforceable technical scheme of automatic backflush filtering net for micro irrigation of the present invention, not as the single restrictive condition to its structure itself.
Claims (10)
1, automatic backflush filtering net for micro irrigation, its basic structure comprises filter housings (3) and the interior screen pack (15) that is provided with of housing that intake-outlet (12,14) is set, the blow-off pipe (6) that is provided with in the screen pack, it is characterized in that: filter housings is divided into filter chamber and blowdown chamber (13,2), described blow-off pipe be through filter chamber and blowdown chamber and with a hydrodynamic(al) rotary body that moves up and down of the concentric setting of screen pack, uniform on the blow-off pipe perpendicular to the dirt sucking tube (7) that filters wire side.
2, automatic backflush filtering net for micro irrigation according to claim 1 is characterized in that the described blow-off pipe dirt sucking tube (10) that radially is crisscross arranged.
3, automatic backflush filtering net for micro irrigation according to claim 1 is characterized in that the end that described blow-off pipe extends in the filter chamber is provided with hydrodynamic(al) impeller (13).
4, automatic backflush filtering net for micro irrigation according to claim 1 is characterized in that described blow-off pipe extends a section of blowdown chamber hydrodynamic(al) jet pipe (7) is set.
5, automatic backflush filtering net for micro irrigation according to claim 4 is characterized in that described hydrodynamic(al) jet pipe (7) is symmetricly set in the blow-off pipe radial position, and the end of hydrodynamic(al) jet pipe respectively is provided with a hole for water spraying (8) that direction is opposite.
6, automatic backflush filtering net for micro irrigation according to claim 1 is characterized in that the end that described blow-off pipe extends outside the blowdown chamber is provided with elevating screw (4), and the end face of filter housings is provided with corresponding feed screw nut (5).
7, automatic backflush filtering net for micro irrigation according to claim 6 is characterized in that slipper and blowdown cavity shell joining place that described blow-off pipe extends to outside the blowdown chamber are provided with sealing.
8, automatic backflush filtering net for micro irrigation according to claim 1, it is characterized in that described blowdown chamber be arranged at filter chamber above or below.
9, according to claim 1 or 6 described automatic backflush filtering net for micro irrigation, it is characterized in that described blow-off pipe extends a end outside the blowdown chamber and lifting piston (26) is set places in the cylinder body (19) that the blowdown chamber is provided with, the cylinder body top is provided with and is communicated with blowdown chamber (2) and the relief tube (27) of filter chamber (13) and the pressure control cavity (18) of pressure inlet (28), piston rod is provided with lever (22) and positioning chuck (21 up and down, 20), contact, switch lever end (24) places in the slideway of switch rocking arm (25), the switch of control relief tube (27) and pressure inlet (28).
10, automatic backflush filtering net for micro irrigation according to claim 9 is characterized in that described lever and switch rocking arm all are to be hinged on the fixed head that is provided with in the pressure control cavity with bearing pin, and the lever contact is provided with spring (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100481981A CN1331554C (en) | 2005-12-19 | 2005-12-19 | Automatic backflush filtering net for micro irrigation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100481981A CN1331554C (en) | 2005-12-19 | 2005-12-19 | Automatic backflush filtering net for micro irrigation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1810343A true CN1810343A (en) | 2006-08-02 |
| CN1331554C CN1331554C (en) | 2007-08-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100481981A Expired - Fee Related CN1331554C (en) | 2005-12-19 | 2005-12-19 | Automatic backflush filtering net for micro irrigation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1331554C (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102068847A (en) * | 2010-12-24 | 2011-05-25 | 江苏大学 | Jet self-cleaning screen filter |
| CN103328064A (en) * | 2011-02-04 | 2013-09-25 | 博尔和柯基滤清器有限责任公司 | Reversible-flow filter with scavenging device |
| CN103394219A (en) * | 2013-08-07 | 2013-11-20 | 合肥通用机械研究院 | Energy-saving emission-reducing self-cleaning filter |
| CN104740915A (en) * | 2014-07-21 | 2015-07-01 | 施荣芳 | Vertical hydraulically driven self-cleaning filter |
| CN105126405A (en) * | 2015-10-08 | 2015-12-09 | 博尔塔拉蒙古自治州永奇节水设备科技开发有限责任公司 | Water purification filter for water-saving irrigation system |
| EP3120913A3 (en) * | 2015-07-21 | 2017-03-29 | EKO Muhendislik Sanayi ve Ticaret Limited Sirketi | Self cleaning filter mechanism |
| CN106964183A (en) * | 2017-05-20 | 2017-07-21 | 吕仁木 | A kind of backwash filter |
| CN108348824A (en) * | 2015-09-16 | 2018-07-31 | 上海贝威科技有限公司 | A kind of low back pressure automatically suctions filter |
| CN108404482A (en) * | 2018-04-28 | 2018-08-17 | 深圳市绿洲彩虹机电科技有限公司 | Hydrodynamic force self-cleaning filter |
| CN108771902A (en) * | 2018-06-21 | 2018-11-09 | 高朝辉 | A kind of life liquid waste treating apparatus based on rotator inertia and centrifugal force |
| CN109717053A (en) * | 2019-01-22 | 2019-05-07 | 深圳市木雅园林股份有限公司 | A kind of afforestation water system and method |
| CN112403131A (en) * | 2020-10-09 | 2021-02-26 | 合肥三邦环保科技有限公司 | Oil smoke purifier with self-cleaning function |
| CN114467702A (en) * | 2022-03-04 | 2022-05-13 | 江苏华源节水股份有限公司 | Drip irrigation device suitable for seasonal weather |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| NO345889B1 (en) | 2020-02-19 | 2021-09-27 | Tenko As | Filter systems and methods |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2063842U (en) * | 1990-02-19 | 1990-10-17 | 能源部电力建设研究所 | Filter of using self-cleaning cartridge |
| CN1235660C (en) * | 2002-07-31 | 2006-01-11 | 中国农业大学 | Backwash net-type filter |
| CN2636944Y (en) * | 2003-07-17 | 2004-09-01 | 赵霞 | Self suction back flushing net type filtering apparatus |
| CN2858029Y (en) * | 2005-11-22 | 2007-01-17 | 中国科学院遗传与发育生物学研究所 | Micro-filling automatic back flushing mesh filter |
| CN2850259Y (en) * | 2005-12-19 | 2006-12-27 | 中国科学院遗传与发育生物学研究所 | Automatic backflushing screen filter for micro-irrigation |
-
2005
- 2005-12-19 CN CNB2005100481981A patent/CN1331554C/en not_active Expired - Fee Related
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102068847B (en) * | 2010-12-24 | 2013-07-17 | 江苏大学 | Jet self-cleaning screen filter |
| CN102068847A (en) * | 2010-12-24 | 2011-05-25 | 江苏大学 | Jet self-cleaning screen filter |
| CN103328064A (en) * | 2011-02-04 | 2013-09-25 | 博尔和柯基滤清器有限责任公司 | Reversible-flow filter with scavenging device |
| CN103328064B (en) * | 2011-02-04 | 2015-11-25 | 博尔和柯基滤清器有限责任公司 | There is the reversible flow filter of purifier |
| CN105148590A (en) * | 2013-08-07 | 2015-12-16 | 合肥通用机械研究院 | Self-cleaning filter with energy conservation and emission reduction effects |
| CN103394219A (en) * | 2013-08-07 | 2013-11-20 | 合肥通用机械研究院 | Energy-saving emission-reducing self-cleaning filter |
| CN103394219B (en) * | 2013-08-07 | 2016-02-10 | 合肥通用机械研究院 | A kind of energy-saving and emission-reduction self-cleaning type filter |
| CN104740915A (en) * | 2014-07-21 | 2015-07-01 | 施荣芳 | Vertical hydraulically driven self-cleaning filter |
| EP3120913A3 (en) * | 2015-07-21 | 2017-03-29 | EKO Muhendislik Sanayi ve Ticaret Limited Sirketi | Self cleaning filter mechanism |
| CN108348824A (en) * | 2015-09-16 | 2018-07-31 | 上海贝威科技有限公司 | A kind of low back pressure automatically suctions filter |
| CN105126405A (en) * | 2015-10-08 | 2015-12-09 | 博尔塔拉蒙古自治州永奇节水设备科技开发有限责任公司 | Water purification filter for water-saving irrigation system |
| CN106964183A (en) * | 2017-05-20 | 2017-07-21 | 吕仁木 | A kind of backwash filter |
| CN106964183B (en) * | 2017-05-20 | 2022-10-25 | 吕仁木 | Back flush filter |
| CN108404482A (en) * | 2018-04-28 | 2018-08-17 | 深圳市绿洲彩虹机电科技有限公司 | Hydrodynamic force self-cleaning filter |
| CN108771902A (en) * | 2018-06-21 | 2018-11-09 | 高朝辉 | A kind of life liquid waste treating apparatus based on rotator inertia and centrifugal force |
| CN109717053A (en) * | 2019-01-22 | 2019-05-07 | 深圳市木雅园林股份有限公司 | A kind of afforestation water system and method |
| CN112403131A (en) * | 2020-10-09 | 2021-02-26 | 合肥三邦环保科技有限公司 | Oil smoke purifier with self-cleaning function |
| CN114467702A (en) * | 2022-03-04 | 2022-05-13 | 江苏华源节水股份有限公司 | Drip irrigation device suitable for seasonal weather |
| CN114467702B (en) * | 2022-03-04 | 2022-10-28 | 江苏华源节水股份有限公司 | Drip irrigation device suitable for seasonal weather |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1331554C (en) | 2007-08-15 |
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