CN101927104A - Hydraulically-driven self-cleaning laminated filtering device of micro-irrigation system - Google Patents
Hydraulically-driven self-cleaning laminated filtering device of micro-irrigation system Download PDFInfo
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- CN101927104A CN101927104A CN2009101173384A CN200910117338A CN101927104A CN 101927104 A CN101927104 A CN 101927104A CN 2009101173384 A CN2009101173384 A CN 2009101173384A CN 200910117338 A CN200910117338 A CN 200910117338A CN 101927104 A CN101927104 A CN 101927104A
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Abstract
The invention discloses a hydraulically-driven self-cleaning laminated filtering device of a micro-irrigation system. The filtering device comprises a filtering cavity consisting of an upper shell and a lower shell, wherein a filtering lamination set is arranged in the filtering cavity; the lower part of the filtering lamination set is provided with a lamination connecting gland; a back wash ejector is sleeved in the filtering lamination set; the upper part of the filtering lamination set is provided with a connecting seat; the upper part of the connecting seat is hermetically connected with a water outlet; the connecting seat is connected with a spiral disk; a back wash piston lever is axially arranged on an axial line of a filter core chamber; the top end of the back wash piston lever is provided with a back wash gasket, while the bottom end is connected with a back wash drainer after passing through the lamination connecting gland; and the back wash drainer is extended out of the bottom of the lower shell and communicated with a back wash drainage connecting pipe. According to the requirement of micro-irrigation on water treatment, a two-stage three-dimensional filtering mode formed by the lamination set and the spiral disk is innovatively designed and invented by researching theoretical basis of design of micro-irrigation filtering equipment; and automatic cleaning and automatic drainage are realized by using centrifugal sedimentation self-cleaning of the spiral disk and energy of water fluid in a filter consisting of a hydraulically-driven piston, a back wash filter core bracket and a drainage device.
Description
Technical field
The present invention relates to a kind of irrigation system water filtration device, particularly a kind of hydraulically-driven self-cleaning laminated filtering device of micro-irrigation system.
Background technology
Can filter be the indispensable water purification apparatus of irrigation system, be directly connected to irrigation system and normally move service life with system.Along with the day of worldwide water resource, the energy is becoming tight and the continuous progress of power-saving technology, based on satisfied reduction operating cost with than low water head pressure, endeavour the automatic cleaning filter developing no extra power consumption and have higher automaticity, become the main flow direction of countries in the world filter research and development.At present, the self-cleaning filter that use countries in the world, the automatic backwash function almost relies on external power source to finish all, this has just aggravated expensive, operation energy consumption high " noble " the property restriction composition of irrigation system investment more, is difficult to satisfy the energy-saving and cost-reducing hi-tech development requirement of water-saving irrigation.In this regard, countries in the world filter expert and scholar have done many-sided trial research and practice, do not develop and be applicable to irrigation system fully, do not need outside any energy as: wind, water, electricity, gas, battery etc. utilize the filter interior energy, just can realize automatic fitration, automatically clean, the filter of automatic pollution discharge.
Summary of the invention
The purpose of this invention is to provide a kind of hydraulically-driven self-cleaning laminated filtering device of micro-irrigation system of realizing automatic cleaning, automatic pollution discharge.
For achieving the above object, solution of the present invention is: a kind of hydraulically-driven self-cleaning laminated filtering device of micro-irrigation system, be tightly connected to form by quick jointing clip by upper casing and lower casing and filter cavity, the top of described upper casing is provided with and filters water inlet and the delivery port that cavity is communicated with, be connected with hydraulic valve on the described water inlet, be provided with the filtration stack of laminations in the described filtration cavity, described filtration stack of laminations be formed with one with filter the cavity concentric cross the filter core chamber, crossing the filter core chamber is communicated with delivery port, filter the stack of laminations bottom lamination connection gland is installed, be socketed with the backwash injector in the described filtration stack of laminations, filter stack of laminations top and be provided with Connection Block, Connection Block top and delivery port are tightly connected, Connection Block top and the delivery port place of being tightly connected are provided with O-ring seals, be connected with helical disk on the described Connection Block, the backwash piston thick stick that is socketed with extension spring was axially disposed within on the axial line in filter core chamber, the top of described backwash piston thick stick is provided with the backwash sealing gasket, the bottom of described backwash piston thick stick is passed lamination connection gland and is connected with the sewage backwash device, the bottom that described sewage backwash device extends lower casing is communicated with the sewage backwash tube connector, and the junction of sewage backwash device and lower casing is provided with the sewage draining exit O-ring seals.
The present invention is according to the requirement of slight irrigation to water treatment, utilize bionics techniques, the mechanism of organism contaminant filter and discharge in natural imitation circle, by research to slight irrigation filter plant design theory basis, innovative design has also been invented stack of laminations and the three-dimensional filter type of the secondary of helical disk composition, helical disk is centrifugal, sedimentation self-cleaning and hydro powered piston, backwash filter core support and blowdown apparatus are formed utilizes filter interior aqueous fluid energy, realize the method for cleaning, automatic pollution discharge automatically, developed a kind of hydraulically-driven self-cleaning laminated filtering device.
The present invention guarantees farthest to reduce the maintenance cost of filtration system by selecting high-density polyethylene compound pipe automatic backwash centrifugal filtration system for use.Need regular maintenance hardly, checking does not also need specific purpose tool, and detachable parts seldom.Anticorrosive, durability is strong, has the anticorrosive antioxygenic property at various chemical substances.
The present invention has according to different types of compound modes such as filtration grade, pipe diameter, interface modes.Can need accept or reject filter element quantity in parallel by the user, flexibility and changeability, interchangeability is strong, but space, the on-the-spot corner of flexible utilization is suited measures to local conditions to install to take up an area of and is lacked.Good filtration effect, maintenance cost is cheap; Filtration is firm, and the compactness that takes up room is easy to shipment.The clean rate of water filtration ratio and backwashing self-cleaning reaches more than 20 years greater than 95% service life, reduces slight irrigation operation maintenance cost 26%; Be applicable to various water quality inorganic matters and organic filtrations such as industry, agricultural, urban construction, gardens, and can be under various adverse circumstances operate as normal.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention.
The specific embodiment
As shown in Figure 1, the upper casing 1 of this hydraulically-driven self-cleaning laminated filtering device of micro-irrigation system and lower casing 5 are tightly connected to form by quick jointing clip 3 and filter cavity, the top of described upper casing 1 is provided with and filters the water inlet 16 and delivery port 15 that cavity is communicated with, be connected with hydraulic valve 18 on the described water inlet 16, be provided with in the described filtration cavity and filter stack of laminations 7, described filtration stack of laminations 7 be formed with one with filter the cavity concentric cross the filter core chamber, crossing the filter core chamber is communicated with delivery port 15, filter stack of laminations 7 bottoms lamination connection gland 11 is installed, be socketed with backwash injector 8 in the described filtration stack of laminations 7, filter stack of laminations 7 tops and be provided with Connection Block 3, Connection Block 3 tops and delivery port 15 are tightly connected, Connection Block 3 tops and delivery port 15 places of being tightly connected are provided with O-ring seals 2, be connected with helical disk 17 on the described Connection Block 3, the backwash piston thick stick 10 that is socketed with extension spring 9 was axially disposed within on the axial line in filter core chamber, the top of described backwash piston thick stick 10 is provided with backwash sealing gasket 6, the bottom of described backwash piston thick stick 10 is passed lamination connection gland 11 and is connected with sewage backwash device 12, the bottom that described sewage backwash device 12 extends lower casing 5 is communicated with sewage backwash tube connector 14, and sewage backwash device 12 is provided with sewage draining exit O-ring seals 13 with the junction of lower casing 5.
Above-mentioned filter is a filter element with each filter, forms a backwashing water circulatory system by 3 filter elements.The duty that system work process is divided into two independences and carries out simultaneously: filtration state and backwash state.
Under the filtration state, the backwash of flowing through arrives filter set with hydraulic valve 18.Current enter filter from side mouth water inlet 16, form eddy flow under the effect of housing self tangent line; Helical disk 17 primary filters, and when current pass through to filter the helical disk 17 at stack of laminations 7 tops, quickening current once more rotates at a high speed, produce centrifugal effect, make heavier granule foreign in the water away from filtering stack of laminations 7, and get rid of on the inwall of filter, dirt can be collected in the sewage backwash device 12 when concentrating sedimentation, self-cleaning.Current carry relatively small amount impurity when rotating at a high speed water during contact filtration stack of laminations 7, just greatly reduces the required cleaning frequency of lamination again, has reached more and has economized on water, safeguards simpler effect.Filter stack of laminations 7 in-depth filtrations through behind the primary filter of helical disk 17, the most of impurity in the water accumulates in the outside of filtering stack of laminations 7.Then, current entered the filter core chamber by the groove between lamination, in this process, carried out three-dimensional in-depth filtration, filtered remaining impurity.The water that filtration finishes flows out from the delivery port 15 of filter.The impurity that all are held back by sedimentation collection, screen will be discharged in the next backwash stage.
Under the backwash duty, gather many more when filtering stack of laminations 7 foreign matter, pressure reduction is big more, the self-locking thrust is strong more, filter interior pressure reaches setting pressure, current inject in hydraulic valve 18 chambeies, start the control loop of hydraulic valve 18, closure valve stops filtered water stream, change the water (flow) direction of filter, clean water after other filter elements filter enters filter by former delivery port 15, and under the effect of reverse water pressure power, the backwash piston thick stick of crossing in the filter core chamber 10 moves down, helical disk 17 is released, and the water of crossing in the filter core chamber outwards extrudes, and the backwash tube passage is opened, and oppositely water rotates helical disk 17, the foreign material of holding back on the dish are rinsed and drop out, and all are by sedimentation, the impurity that sieving is come out will be discharged in the sewage backwash tube connector 14 in the backwashing water circulatory system.After backwash finished, water (flow) direction changed once more, and piston is got back to original state, and this filter reenters the filtration state, and starts the backwash state of next filter simultaneously.
Claims (1)
1. hydraulically-driven self-cleaning laminated filtering device of micro-irrigation system, be tightly connected to form by quick jointing clip (3) by upper casing (1) and lower casing (5) and filter cavity, the top of described upper casing (1) is provided with and filters the water inlet (16) and delivery port (15) that cavity is communicated with, be connected with hydraulic valve (18) on the described water inlet (16), it is characterized in that: be provided with in the described filtration cavity and filter stack of laminations (7), described filtration stack of laminations (7) be formed with one with filter the cavity concentric cross the filter core chamber, crossing the filter core chamber is communicated with delivery port (15), filter stack of laminations (7) bottom lamination connection gland (11) is installed, be socketed with backwash injector (8) in the described filtration stack of laminations (7), filter stack of laminations (7) top and be provided with Connection Block (3), Connection Block (3) top and delivery port (15) are tightly connected, Connection Block (3) top and delivery port (15) place of being tightly connected are provided with O-ring seals (2), be connected with helical disk (17) on the described Connection Block (3), being socketed with extension spring (9) backwash piston thick stick (10) was axially disposed within on the axial line in filter core chamber, the top of described backwash piston thick stick (10) is provided with backwash sealing gasket (6), the bottom of described backwash piston thick stick (10) is passed lamination connection gland (11) and is connected with sewage backwash device (12), the bottom that described sewage backwash device (12) extends lower casing (5) is communicated with sewage backwash tube connector (14), and sewage backwash device (12) is provided with sewage draining exit O-ring seals (13) with the junction of lower casing (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101173384A CN101927104A (en) | 2009-06-22 | 2009-06-22 | Hydraulically-driven self-cleaning laminated filtering device of micro-irrigation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101173384A CN101927104A (en) | 2009-06-22 | 2009-06-22 | Hydraulically-driven self-cleaning laminated filtering device of micro-irrigation system |
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| CN101927104A true CN101927104A (en) | 2010-12-29 |
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| CN2009101173384A Pending CN101927104A (en) | 2009-06-22 | 2009-06-22 | Hydraulically-driven self-cleaning laminated filtering device of micro-irrigation system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103463866A (en) * | 2013-09-13 | 2013-12-25 | 长沙理工大学 | Automatic back-washing disc type centrifugal filtering system |
| CN103480188A (en) * | 2013-09-29 | 2014-01-01 | 广东联塑科技实业有限公司 | Lamination type filter |
| CN105268224A (en) * | 2014-07-01 | 2016-01-27 | 奥源科技有限公司 | Sewage treatment tank |
| CN106178668A (en) * | 2016-09-07 | 2016-12-07 | 三峡大学 | A kind of self-cleaning filter for irrigation system inlet ductwork and cleaning method |
| CN106693482A (en) * | 2017-01-09 | 2017-05-24 | 大禹节水集团股份有限公司 | Self-cleaning laminated filter |
| CN107982986A (en) * | 2017-12-16 | 2018-05-04 | 大同煤矿集团有限责任公司 | Automatic backwash water filter |
| CN110812943A (en) * | 2019-11-06 | 2020-02-21 | 深圳安吉尔饮水产业集团有限公司 | Filtering structure, pre-filter and filtering method |
| WO2022166997A1 (en) * | 2021-02-07 | 2022-08-11 | 徐州工程学院 | Automatic backwash filter and working method |
-
2009
- 2009-06-22 CN CN2009101173384A patent/CN101927104A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103463866A (en) * | 2013-09-13 | 2013-12-25 | 长沙理工大学 | Automatic back-washing disc type centrifugal filtering system |
| CN103463866B (en) * | 2013-09-13 | 2015-10-21 | 长沙理工大学 | Automatic back-washing disc type centrifugal filtering system |
| CN103480188A (en) * | 2013-09-29 | 2014-01-01 | 广东联塑科技实业有限公司 | Lamination type filter |
| CN105268224A (en) * | 2014-07-01 | 2016-01-27 | 奥源科技有限公司 | Sewage treatment tank |
| CN105268224B (en) * | 2014-07-01 | 2017-09-12 | 上海上阳流体科技有限公司 | Sewage treatment pot |
| CN106178668A (en) * | 2016-09-07 | 2016-12-07 | 三峡大学 | A kind of self-cleaning filter for irrigation system inlet ductwork and cleaning method |
| CN106178668B (en) * | 2016-09-07 | 2018-07-24 | 三峡大学 | A kind of self-cleaning filter and cleaning method for irrigation system inlet ductwork |
| CN106693482A (en) * | 2017-01-09 | 2017-05-24 | 大禹节水集团股份有限公司 | Self-cleaning laminated filter |
| CN106693482B (en) * | 2017-01-09 | 2019-04-02 | 大禹节水集团股份有限公司 | A kind of self-cleaning laminated filter |
| CN107982986A (en) * | 2017-12-16 | 2018-05-04 | 大同煤矿集团有限责任公司 | Automatic backwash water filter |
| CN110812943A (en) * | 2019-11-06 | 2020-02-21 | 深圳安吉尔饮水产业集团有限公司 | Filtering structure, pre-filter and filtering method |
| WO2022166997A1 (en) * | 2021-02-07 | 2022-08-11 | 徐州工程学院 | Automatic backwash filter and working method |
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Application publication date: 20101229 |