CN1236839C - Back-flushing composite filtering system used for micro irrigation - Google Patents
Back-flushing composite filtering system used for micro irrigation Download PDFInfo
- Publication number
- CN1236839C CN1236839C CN 200410012362 CN200410012362A CN1236839C CN 1236839 C CN1236839 C CN 1236839C CN 200410012362 CN200410012362 CN 200410012362 CN 200410012362 A CN200410012362 A CN 200410012362A CN 1236839 C CN1236839 C CN 1236839C
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- CN
- China
- Prior art keywords
- recoil
- filter element
- centrifugal
- water
- separation chamber
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- Expired - Fee Related
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- 238000001914 filtration Methods 0.000 title claims abstract description 38
- 230000002262 irrigation Effects 0.000 title claims abstract description 35
- 238000003973 irrigation Methods 0.000 title claims abstract description 35
- 239000002131 composite material Substances 0.000 title abstract description 4
- 238000011010 flushing procedure Methods 0.000 title abstract 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 238000000926 separation method Methods 0.000 claims description 23
- 239000004576 sand Substances 0.000 claims description 12
- 210000004907 gland Anatomy 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims description 2
- 239000008213 purified water Substances 0.000 abstract 4
- 238000004140 cleaning Methods 0.000 description 7
- 239000003621 irrigation water Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Filtration Of Liquid (AREA)
Abstract
The present invention provides a back-flushing composite filtering system for micro irrigation, which is formed by the combination of more than two filtering units, wherein the purified water pipelines of the filtering units are communicated with each other and are communicated with water outlets, the water inlets of the filtering units are provided with pressure gauges, a pressure gauge and a back-flushing control valve are arranged between the purified water pipelines, and the closure of the back-flushing control valve is controlled by the pressure difference variable of the pressure gauges of the water inlets and the pressure gauges of the purified water pipelines. The back-flushing composite filtering system for micro irrigation of the present invention can immediately send out a signal when the water resistance of some filtering unit increases, a back-flushing system is started when the normal irrigation is not stopped, and a clogged filter element is back flushed by purified water so that the future problems are prevented; the present invention can greatly prolong the service life of the filter element, save the replacement cost of the filter element, be convenient for manual control or automatic control and meet the technical requirement of precise agriculture.
Description
Technical field
The present invention relates to a kind of slight irrigation with recoil combination filtration system, is the head pivot parts of slight irrigation, sprinkling irrigation, belongs to agricultural water-saving irrigation mechanical filter equipment technology field, and what be particularly useful for the farmland slight irrigation contains the sand water treatment.
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, advance the stacked or well strainer of people again, the problem that this filter type exposes is that filter plant connects complexity, filter core very easily blocks, resistance is big, it generally is to irrigate arm in outside connection of filter core that the recoil of filter is at present cleaned, find to utilize when filter core blocks the irrigation water recoil before filtering, the problem of this scheme is that unfiltered irrigation water cleanliness factor is poor, it itself is exactly the reason that causes filter core to block, repercussion effect is very poor, this in addition recoil mode is to carry out under the situation of normal irrigation stopping, and the normal drip irrigation operation of filter core occlusive effects often takes place in the practical application, therefore solves filter core and recoils in time that to clean be that bottleneck problem is promoted in the farmland slight irrigation.
Summary of the invention
The object of the present invention is to provide a kind of slight irrigation to make up filtration system with recoil, filter core with the recoil of the clean water in filter element obstruction, utilize electron pressure table control recoil magnetic valve simultaneously, thereby promptly start backpurge system automatically and guarantee filter effect and reduce resistance to water-flow that the stem that is particularly useful for slight irrigation is filtered when the water resistance of filter core reaches setting value.
Technical scheme of the present invention is achieved in that this slight irrigation recoil combination filtration system, it is characterized in that: filtering backpurge system is to be provided with by plural filter element combination, the filter element water pipeline is communicated with each other and is communicated with delivery port, the water inlet of filter element is provided with Pressure gauge, Pressure gauge and recoil by-pass valve control are set, by closing of inlet gage and the manometric pressure reduction Variable Control recoil by-pass valve control of water pipeline in the middle of the water pipeline.
Described slight irrigation is provided with electronic switching circuit with the Pressure gauge on the water pipeline of recoil combination filtration system, reaches setting pressure reduction parameter and promptly starts the recoil by-pass valve control.
Described slight irrigation comprises centrifugal Sha Shui separation chamber and the sand collecting tank that intake-outlet is set with the filter element basic structure of recoil combination filtration system, centrifugal Sha Shui separation chamber is that up and down two-layer cone socket is provided with, and one or more filter cores are arranged in the centrifugal Sha Shui separation chamber upper cone.
Described slight irrigation is the basket type structure with the filter core integral body of recoil combination filtration system, by plastic skeleton and stainless steel cloth is compound makes.
Described slight irrigation is fixed between the upper plate and lower plate of centrifugal Sha Shui separation chamber upper cone with the filter core of recoil combination filtration system, and filter core is provided with gland and pressing handle.
Described slight irrigation connects sand collecting tank with the bottom, centrifugal Sha Shui separation chamber of recoil combination filtration system.
Described slight irrigation is the cylinder overall structure with the filter element of recoil combination filtration system, and sand water separation cone is arranged at the cylinder middle part, and the cylinder bottom is provided with the valve that shakes out.
Described slight irrigation is arranged at lower cone side, centrifugal Sha Shui separation chamber with the water inlet of the filter element of recoil combination filtration system, and delivery port is arranged at upper cone side, centrifugal Sha Shui separation chamber.
Slight irrigation of the present invention can be sent signal with recoil combination filtration system immediately when the water resistance of a certain filter element increases, when not stopping normal irrigation, start backpurge system, the filter core that utilizes the clean water recoil to block, prevent trouble before it happens, can prolong the service life of filter core greatly, save the more cost of renew cartridge, be convenient to Artificial Control or control automatically, satisfy the specification requirement of precision agriculture.
Description of drawings
Fig. 1 is the fundamental diagram of slight irrigation of the present invention with the overanxious system of recoil combination
Fig. 2 is the side view of Fig. 1
Fig. 3 is the fundamental diagram of another combination technique scheme of the present invention
Fig. 4 is the structural representation of filter element among Fig. 1
Fig. 5 is the vertical view of the structure of filter element among Fig. 4
Fig. 6 is a cylinder integral filter unit structure chart
Among the figure: I, II, III, IV, filter element
B0, inlet gage B1, B2, B3, B4, water pipeline Pressure gauge
C0, C1, C2, C3, C4 outlet water control valve
JI, J2, J3, J4, water inlet control valve
K1, K2, K3, K4, impurity drain valve
1, upper plate 2, filter core 3, gland 4, pressing handle 5, outlet pipe
6, delivery port 7, water inlet pipe 8, water inlet 10, silt
11, sand collecting tank 12, centrifugal Sha Shui separation chamber 13, upper cone 14, lower plate
15, sealing gasket 16, inlet opening 17, shell
The specific embodiment
Fig. 1, Fig. 2, slight irrigation shown in Figure 3 are 1, each filter element are communicated with and Pressure gauge and control valve be set by water pipeline with the main innovate point of recoil combination filtration system, when one of them filter element generation blockage pressure increased, the Pressure gauge of its outlet pipeline can start the recoil control valve reaches purpose from recoil to the reverse water filling of filter element.The change value of pressure of system of the present invention is a constant, can manually set, and the electron pressure table can be used as switch control recoil magnetic valve and starts.
Under Fig. 1 state: when operate as normal, K1, K2 close, and all the other valve opens, water, filter the back and flow out by delivery port 6 through filter element I, II from water inlet 8.
The pressure reduction of table 1: normal condition-B0 and B1, B2 is all in normal value
| I | II | ||||
| C0 | J1 | K1 | C0 | J2 | K2 |
| Open | Open | Close | Open | Open | Close |
B0 is the water inlet Pressure gauge, and B1, B2 are respectively the Pressure gauge of the water side of modular filter unit I, II; Under the normal condition, the pressure reduction between B0 and B1, the B2 should be not excessive, illustrates that when pressure reduction is excessive clogging appears in a certain group of filter element, needs to clean.
Table 2: the pressure reduction between cleaning and filtering unit I-B0 and the B1 surpasses normal value
| I | II | ||||
| C0 | J1 | K1 | C0 | J2 | K2 |
| Close | Close | Open | Close | Open | Close |
Table 3: the pressure reduction between cleaning and filtering unit II-B0 and the B2 surpasses normal value
| I | II | ||||
| C0 | J1 | K1 | C0 | J2 | K2 |
| Close | Open | Close | Close | Close | Open |
Under Fig. 4 state:
When operate as normal, K1-K4 closes, all the other valve opens, and water flows out by delivery port 6 after the filtration of water inlet 8 process modular filter unit I-IV.
The pressure reduction of table 4: normal condition-B0 and B1-B4 is all in normal value
| I | II | III | IV | ||||||||
| C1 | J1 | K1 | C2 | J2 | K2 | C3 | J3 | K3 | C4 | J4 | K4 |
| Open | Open | Close | Open | Open | Close | Open | Open | Close | Open | Open | Close |
B0 is the water inlet Pressure gauge, and B1-B4 is respectively the Pressure gauge of I-IV water side, modular filter unit; Under the normal condition, the pressure reduction between B0 and the B1-B4 should be not excessive, when pressure reduction is excessive, illustrate certain-clogging appears in the group filter element, needs to clean, and under the system of assurance normal running conditions, can realize on-line cleaning to filter element by following operation:
Pressure reduction between table 5, cleaning and filtering unit I-B0 and the B1 surpasses normal value
| I | II | III | IV | ||||||||
| C1 | J1 | K1 | C2 | J2 | K2 | C3 | J3 | K3 | C4 | J4 | K4 |
| Close | Close | Open | Close | Open | Close | Open | Open | Close | Open | Open | Close |
Pressure reduction between table 6, cleaning and filtering unit II-B0 and the B2 surpasses normal value
| I | II | III | IV | ||||||||
| C1 | J1 | K1 | C2 | J2 | K2 | C3 | J3 | K3 | C4 | J4 | K4 |
| Close | Open | Close | Close | Close | Open | Open | Open | Close | Open | Open | Close |
Pressure reduction between table 7, cleaning and filtering unit III-B0 and the B3 surpasses normal value
| I | II | III | IV | ||||||||
| C1 | J1 | K1 | C2 | J2 | K2 | C3 | J3 | K3 | C4 | J4 | K4 |
| Open | Open | Close | Open | Open | Close | Close | Close | Open | Close | Open | Close |
Pressure reduction between table 8, cleaning and filtering unit IV-B0 and the B4 surpasses normal value
| I | II | III | IV | ||||||||
| C1 | J1 | K1 | C2 | J2 | K2 | C3 | J3 | K3 | C4 | J4 | K4 |
| Open | Open | Close | Open | Open | Close | Close | Open | Close | Close | Close | Open |
Recoil for the ease of filter element, Fig. 4, the centrifugal Sha Shui separation chamber 12 that the filter of the design of the present invention shown in 5 will be mainly used in the silt filter is provided with basket filter core 2 combinations of many networkings, filter integral body is the cone sleeve structure, filter core is arranged in the upper cone 13, the bottom is provided with centrifugal Sha Shui separation chamber and sand collecting tank 11, irrigation water enters Sha Shui separation chamber 12 from the water inlet of bottom, silt centrifugation enters sand collecting tank 11, the water of prefiltration enters Combination filter element 2 by upper cone 13 and forms filter element by delivery port 6 outflows, backpurge system is to be provided with by plural filter element combination, the filter element water pipeline is arranged at upper cone 13 and is communicated with each other and is communicated with delivery port, recoil water provides buffer brake from the filter core outside, obturator in the filter core is swept away, directly enter the centrifugal Sha Shui separation chamber and the sand collecting tank 11 of bottom, this design line recoil by turns cleans each filter element, has both reduced the floor space of filter, saved manufacturing cost again, equipment manufacturing cost is significantly reduced.
Filter core of the present invention 2 adopts stainless steel cloths and plastic skeleton composite monolithic moulding manufacturing, can be easily fixes by gland 3 and handle 4 and changes from filter top.
A kind of elongation technology scheme of filter of the present invention shown in Figure 6: centrifugal Sha Shui separation chamber is designed to the cylinder overall structure, sand water separation cone is arranged at the cylinder middle part, the cylinder bottom is provided with the valve that shakes out, can further reduce cost and simplified processing process like this, thereby make structure simpler, install more convenient.
Claims (7)
1, slight irrigation is made up filtration system with recoil, it is characterized in that: filtering backpurge system is by plural filter element (I, II) combination is provided with, described filter element basic structure comprises intake-outlet (6 is set, 8) centrifugal Sha Shui separation chamber (12) and sand collecting tank, centrifugal Sha Shui separation chamber is that up and down two-layer cone socket is provided with, one or more filter cores (2) are arranged in the centrifugal Sha Shui separation chamber upper cone (13), filter core is fixed between the upper plate (1) and lower plate (14) of centrifugal Sha Shui separation chamber upper cone (13), the filter element water pipeline is communicated with each other and is communicated with delivery port, the water inlet of filter element is provided with Pressure gauge, Pressure gauge and recoil by-pass valve control are set, by closing of inlet gage and the manometric pressure reduction Variable Control recoil by-pass valve control of water pipeline in the middle of the water pipeline.
2, slight irrigation according to claim 1 is made up filtration system with recoil, and it is characterized in that: the Pressure gauge on the described water pipeline is provided with electronic switching circuit, reaches setting pressure reduction parameter and promptly starts the recoil by-pass valve control.
3, slight irrigation according to claim 1 is with recoil combination filtration system, it is characterized in that described filter core is whole to be the basket type structure, by plastic skeleton and stainless steel cloth is compound makes.
4, slight irrigation according to claim 1 is characterized in that with recoil combination filtration system described filter core (2) is provided with gland (3) and pressing handle (4).
5, slight irrigation according to claim 1 is characterized in that with recoil combination filtration system bottom, described centrifugal Sha Shui separation chamber (12) connects sand collecting tank (11).
6, slight irrigation according to claim 1 is characterized in that with recoil combination filtration system described filter element is the cylinder overall structure, and sand water separation cone is arranged at the cylinder middle part, and the cylinder bottom is provided with the valve (9) that shakes out.
7, slight irrigation according to claim 1 is characterized in that with recoil combination filtration system the water inlet (8) of described filter element is arranged at lower cone side, centrifugal Sha Shui separation chamber, and delivery port (6) is arranged at upper cone side, centrifugal Sha Shui separation chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410012362 CN1236839C (en) | 2004-06-24 | 2004-06-24 | Back-flushing composite filtering system used for micro irrigation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410012362 CN1236839C (en) | 2004-06-24 | 2004-06-24 | Back-flushing composite filtering system used for micro irrigation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1593713A CN1593713A (en) | 2005-03-16 |
| CN1236839C true CN1236839C (en) | 2006-01-18 |
Family
ID=34662743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410012362 Expired - Fee Related CN1236839C (en) | 2004-06-24 | 2004-06-24 | Back-flushing composite filtering system used for micro irrigation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1236839C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104147846A (en) * | 2014-08-22 | 2014-11-19 | 瓮福（集团）有限责任公司 | Phosphoric acid filtration dry-process deslagging slag flushing water filter |
| CN104941301A (en) * | 2015-06-09 | 2015-09-30 | 新乡市万和过滤技术股份公司 | Recharge filter device for geothermic water cyclic utilization |
| CN105999827A (en) * | 2016-07-06 | 2016-10-12 | 辽宁科技学院 | Filtering device and pressure system capable of continuously working |
| US10207213B2 (en) * | 2017-01-17 | 2019-02-19 | Solar Turbines Incorporated | Turbomachinery filter change forecaster |
| CN106693494B (en) * | 2017-02-27 | 2022-07-12 | 深圳市福尔沃机电设备有限公司 | Water-saving irrigation pump station forebay filter equipment |
| CN110215761B (en) * | 2019-06-06 | 2024-09-27 | 武汉工程大学 | Forward and reverse alternate filtering and separating device |
-
2004
- 2004-06-24 CN CN 200410012362 patent/CN1236839C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1593713A (en) | 2005-03-16 |
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