CN107519689A - Irrigation water source filtering device and control method thereof - Google Patents
Irrigation water source filtering device and control method thereof Download PDFInfo
- Publication number
- CN107519689A CN107519689A CN201710805061.9A CN201710805061A CN107519689A CN 107519689 A CN107519689 A CN 107519689A CN 201710805061 A CN201710805061 A CN 201710805061A CN 107519689 A CN107519689 A CN 107519689A
- Authority
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- China
- Prior art keywords
- filter
- magnetic valve
- valve
- sandrock
- water source
- 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.)
- Granted
Links
- 239000003621 irrigation water Substances 0.000 title claims abstract description 19
- 238000001914 filtration Methods 0.000 title claims abstract description 10
- 238000000034 method Methods 0.000 title claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 230000002262 irrigation Effects 0.000 claims abstract description 10
- 238000003973 irrigation Methods 0.000 claims abstract description 10
- 239000012535 impurity Substances 0.000 claims abstract description 7
- 239000004576 sand Substances 0.000 claims abstract 5
- 239000003337 fertilizer Substances 0.000 claims description 19
- 238000003756 stirring Methods 0.000 claims description 16
- 230000008676 import Effects 0.000 claims description 6
- 239000010419 fine particle Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 239000004575 stone Substances 0.000 claims 1
- 230000007547 defect Effects 0.000 abstract 1
- 230000007812 deficiency Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 241000195493 Cryptophyta Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011176 pooling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/02—Combinations of filters of different kinds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
- B01D37/04—Controlling the filtration
- B01D37/046—Controlling the filtration by pressure measuring
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Fertilizers (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses an irrigation water source filtering device which comprises a sand filter, a centrifugal filter and a net filter, wherein the sand filter, the centrifugal filter and the net filter are serially connected through a pipeline, a first electromagnetic valve is arranged at an inlet of the pipeline, a second electromagnetic valve and a third electromagnetic valve are respectively arranged at an inlet and an outlet of the sand filter, a backflushing water inlet pipe is also connected between the second electromagnetic valve and the third electromagnetic valve in parallel, a fourth electromagnetic valve is arranged on the backflushing water inlet pipe, a filter plate is arranged in the sand filter, a backflushing water outlet pipe is arranged above the filter plate, an electric valve is arranged on the backflushing water outlet pipe, a reservoir is connected between the first electromagnetic valve and the second electromagnetic valve through a fifth electromagnetic valve, a sixth electromagnetic valve and a seventh. The invention can improve the defects of the prior art, can effectively filter irrigation water, and reduces economic loss caused by a large amount of impurities in the irrigation water to agricultural irrigation.
Description
Technical field
The present invention relates to a kind of agricultural irrigation rig, especially a kind of iirigation water source filter and its control method.
Background technology
Water-fertilizer integral is irrigated can solve the problems, such as that water and fertilizer waste well as current main irrigation method,
But exist in irrigation water in many impurity particularly underground water in mountain area area and substantial amounts of sandstone be present, in addition cistern
In substantial amounts of algae be present, these impurity can all cause the blocking of fertilizer irrigation pipeline, cause crop water shortage fertilizer deficiency, so as to bring
Huge economic loss.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of iirigation water source filter and its control method, can solve the problem that
The deficiencies in the prior art, effectively irrigation water can be filtered, reduce the multipair agricultural irrigation of impurity in irrigation water
Caused by economic loss.
In order to solve the above technical problems, the technical solution used in the present invention is as follows.
A kind of iirigation water source filter, including sandrock filter, centrifugal filter and the net set by placed in series
Formula filter, the import of pipeline are provided with the first magnetic valve, and the inlet and outlet of sandrock filter is respectively arranged with the second electromagnetism
Valve and the 3rd magnetic valve, backflushing water intake pipe is also parallel between second solenoid valve and the 3rd magnetic valve, is set on backflushing water intake pipe
There is the 4th magnetic valve, filter is provided with sandrock filter, recoil outlet pipe is provided with above filter, recoil outlet pipe
On motor-driven valve is installed, cistern is connected with by the 5th magnetic valve between the first magnetic valve and second solenoid valve, centrifugal filtration
The inlet and outlet of device is respectively arranged with the 6th magnetic valve and the 7th magnetic valve, and the import of centrifugal filter is additionally provided with the first pressure
Force snesor, the slag-drip opening of centrifugal filter are provided with the 8th magnetic valve, and the inlet and outlet of well strainer is respectively arranged with
Second pressure sensor and the 3rd pressure sensor, the outlet of pipeline are provided with the 9th magnetic valve, the slag-drip opening of well strainer
It is provided with the tenth magnetic valve.
Set preferably, being provided with the top of the sandrock filter into fertile mouth and stirring motor, sandrock filter inside
There is the agitating paddle being connected with stirring motor, circulation motor is provided with backflushing water intake pipe.
Preferably, being evenly arranged with several mounting holes on the filter, hollow tube is fixed with mounting hole, it is hollow
Filter cap is provided with the top of pipe.
Preferably, two ring baffles being parallel to each other, the inside edge of ring baffle are provided with the filter cap
The extension plate tilted upward is provided with, is provided with blade between two ring baffles, blade is connected to hollow tube by connecting shaft
Top.
Preferably, be provided with longitudinal hole in the blade, longitudinal hole penetrating blade, longitudinal hole and connecting shaft
Angle is 15 °, and cross through hole is provided between longitudinal hole and blade bottom surface, and cross through hole is mutually perpendicular to longitudinal hole.
A kind of control method of above-mentioned iirigation water source filter, comprises the following steps,
A, the 9th magnetic valve, the 7th magnetic valve, the 6th magnetic valve, the 3rd magnetic valve and the second electromagnetism are opened successively in order
Valve, the first magnetic valve is opened when underground has abundant water resources, provided with water to irrigate by underground water, beaten when underground water source is inadequate
Drive the 5th magnetic valve and provide water source by cistern to irrigate, other valves are closed；
B, after irrigation water passes sequentially through the filtering of sandrock filter, centrifugal filter and well strainer, into downstream
Equipment；
C, the data of second pressure sensor and the 3rd pressure sensor are compared, the table when pressure differential reaches threshold value
Bright well strainer blocks, and now opens the tenth magnetic valve, simultaneously closes off the 9th magnetic valve, now flow through double-filtration
The irrigation water of device is rinsed deslagging to well strainer；
D, the data of first pressure sensor and second pressure sensor are compared, the table when pressure differential reaches threshold value
Bright centrifugal filter blocks, and now opens the 8th magnetic valve, simultaneously closes off the 7th magnetic valve, flow through the filling of sandrock filter
Irrigate and deslagging is rinsed to centrifugal filter with water；
E, need to backwash sandrock filter after irrigation terminates, open the 4th magnetic valve and motor-driven valve, close the
Two magnetic valves and the 6th magnetic valve, now irrigation water from the bottom of sandrock filter enter filter is backwashed, it is miscellaneous
Matter flows out from recoil outlet pipe.
Preferably, from adding fertile mouth to add fertilizer to sandrock filter, undissolved fertilizer is intercepted in filter by filter
Top, stirring motor drive agitating paddle be stirred, until fertilizer dissolving after could be entered by filter sandstone filtering
The bottom of device, the first magnetic valve, the 5th magnetic valve and the 6th magnetic valve are closed, open second solenoid valve, the 4th magnetic valve and the
Three magnetic valves, the top that circulation motor to be pumped to sandrock filter by the fine particle of filter are dissolved again.
It is using beneficial effect caused by above-mentioned technical proposal：Present device is simple, easy to operate, filter
Filtering accuracy is high, automatic backwash can be achieved, it is ensured that the stable normal work of work, it is multipair to reduce impurity in irrigation water
Economic loss caused by agricultural irrigation.Sandrock filter has the pooling feature of dissolving fertilizer, improves molten fertilizer efficiency rate, improves
The accuracy of fertilizer dissolving, and can be good at intercepting in undissolved fertilizer the top of filter, be easy to stir molten
Also solve undissolved solid fertilizer well causes valve and irrigation conduit blockage problem to solution simultaneously.
Brief description of the drawings
Fig. 1 is the structure chart of embodiment 1.
Fig. 2 is the structure chart of sandrock filter in embodiment 2.
Fig. 3 is the structure chart of filter in embodiment 2.
Fig. 4 is the structure chart of filter cap in embodiment 2.
Embodiment
The standardized element used in the present invention can commercially, and shaped piece is according to specification and accompanying drawing
Record can carry out customized, and the specific connected mode of each part is using bolt ripe in the prior art, rivet, weldering
The conventional meanses such as connect, paste, will not be described in detail herein.
Embodiment 1
Reference picture 1, one embodiment of the present invention include sandrock filter 1, the centrifugation being arranged in series by pipeline 4
Filter 2 and well strainer 3, the import of pipeline 4 are provided with the first magnetic valve 5, the inlet and outlet difference of sandrock filter 1
The magnetic valve 7 of second solenoid valve 6 and the 3rd is provided with, backflushing water intake pipe is also parallel between the magnetic valve 7 of second solenoid valve 6 and the 3rd
8, the 4th magnetic valve 9 is provided with backflushing water intake pipe 8, filter 10 is provided with sandrock filter 1, the top of filter 10 is set
Recoil outlet pipe 11 is equipped with, motor-driven valve 12 is installed on the outlet pipe 11 that recoils, led between the first magnetic valve 5 and second solenoid valve 6
Cross the 5th magnetic valve 13 and be connected with cistern 36, the inlet and outlet of centrifugal filter 2 is respectively arranged with the He of the 6th magnetic valve 14
7th magnetic valve 15, the import of centrifugal filter 2 are additionally provided with first pressure sensor 16, and the slag-drip opening of centrifugal filter 2 is set
The 8th magnetic valve 17 is equipped with, the inlet and outlet of well strainer 3 is respectively arranged with the pressure of second pressure sensor 18 and the 3rd
Sensor 19, the outlet of pipeline 4 are provided with the 9th magnetic valve 20, and the slag-drip opening of well strainer 3 is provided with the tenth magnetic valve 21.
Embodiment 2
Reference picture 2-4, the present embodiment are further improved on the basis of embodiment 1.The sandrock filter 1 pushes up
Portion is provided with into fertile mouth 22 and stirring motor 23, and sandrock filter 1 is internally provided with the agitating paddle 24 being connected with stirring motor 23,
Circulation motor 25 is provided with backflushing water intake pipe 8.Several mounting holes 26 are evenly arranged with filter 10, are consolidated in mounting hole 26
Surely there is hollow tube 27, the top of hollow tube 27 is provided with filter cap 28.Two annulars being parallel to each other are provided with filter cap 28
Baffle plate 29, the inside edge of ring baffle 29 are provided with the extension plate 30 tilted upward, are provided between two ring baffles 29
Blade 31, blade 31 are connected to the top of hollow tube 27 by connecting shaft 32.Longitudinal hole 37 is provided with blade 31, longitudinal direction is logical
The penetrating blade 31 of hole 37, longitudinal hole 37 and the angle of connecting shaft 32 are 15 °, are set between longitudinal hole 37 and the bottom surface of blade 31
There is cross through hole 33, cross through hole 33 is mutually perpendicular to longitudinal hole 37.
A kind of control method of above-mentioned iirigation water source filter, comprises the following steps,
A, the 9th magnetic valve 20, the 7th magnetic valve 15, the 6th magnetic valve 14, the and of the 3rd magnetic valve 7 are opened successively in order
Second solenoid valve 6, the first magnetic valve 5 is opened when underground has abundant water resources, provided by underground water to irrigate with water, work as underground water source
The 5th magnetic valve 13 is opened when inadequate and provides water source by cistern 36 to irrigate, other valves are closed；
B, after irrigation water passes sequentially through the filtering of sandrock filter 1, centrifugal filter 2 and well strainer (3), enter
Upstream device；
C, the data of the pressure sensor 19 of second pressure sensor 18 and the 3rd are compared, when pressure differential reaches threshold value
When show that well strainer 3 blocks, now open the tenth magnetic valve 21, simultaneously close off the 9th magnetic valve 20, now flow through
The irrigation water of upper two-stage filter is rinsed deslagging to well strainer 3；
D, the data of first pressure sensor 16 and second pressure sensor 18 are compared, when pressure differential reaches threshold value
When show that centrifugal filter 2 blocks, now open the 8th magnetic valve 17, simultaneously close off the 7th magnetic valve 15, flow through sandstone
The irrigation water of filter 1 is rinsed deslagging to centrifugal filter 2；
E, need to backwash sandrock filter 1 after irrigation terminates, open the 4th magnetic valve 9 and motor-driven valve 12, close
The magnetic valve 14 of second solenoid valve 6 and the 6th is closed, now irrigation water enters from the bottom of sandrock filter 1 and filter 10 is carried out
Backwash, impurity flow out from recoil outlet pipe 11.
Intercepted from fertile mouth 22 is added to sandrock filter 1 plus fertilizer, undissolved fertilizer by filter 10 in filter 10
Top, stirring motor 23 drive agitating paddle 24 to be stirred, and sandstone could be entered by filter 10 after fertilizer dissolving
The bottom of filter 1, the first magnetic valve 5, the 5th magnetic valve 13 and the 6th magnetic valve 14 are closed, open second solenoid valve the 6, the 4th
The magnetic valve 7 of magnetic valve 9 and the 3rd, circulation motor 25 to be pumped to sandrock filter 1 by the fine particle of filter 10
Dissolve again on top.
In addition, being provided with stirring sheet 34 in the bottom surface of agitating paddle 24, gap 35, stirring sheet 34 are remained between stirring sheet 34
Angle between the bottom surface of agitating paddle 24 is 45 °.Stirring sheet 34 can further improve agitating paddle 24 for being stirred under current direction
The effect of driving so that the blade 31 in filter cap 28 obtains bigger driving force, so as to further improve filter cap 28
Filter solute effect.In addition, current in stirring sheet 34 nearby with the rotation of agitating paddle 24, form local strong flow-disturbing, from
And improve the dissolution velocity of fertilizer in water.
In the description of the invention, it is to be understood that term " longitudinal direction ", " transverse direction ", " on ", " under ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " is based on accompanying drawing institutes
The orientation or position relationship shown, the description present invention is for only for ease of, rather than the device or element of instruction or hint meaning must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (7)
- A kind of 1. iirigation water source filter, it is characterised in that：Including be arranged in series by pipeline (4) sandrock filter (1), Centrifugal filter (2) and well strainer (3), the import of pipeline (4) are provided with the first magnetic valve (5), sandrock filter (1) Inlet and outlet is respectively arranged with second solenoid valve (6) and the 3rd magnetic valve (7), second solenoid valve (6) and the 3rd magnetic valve (7) Between be also parallel with backflushing water intake pipe (8), the 4th magnetic valve (9) is provided with backflushing water intake pipe (8), in sandrock filter (1) Filter (10) is provided with, recoil outlet pipe (11) is provided with above filter (10), is provided with recoil outlet pipe (11) Motor-driven valve (12), cistern is connected with by the 5th magnetic valve (13) between the first magnetic valve (5) and second solenoid valve (6) (36), the inlet and outlet of centrifugal filter (2) is respectively arranged with the 6th magnetic valve (14) and the 7th magnetic valve (15), centrifuges The import of filter (2) is additionally provided with first pressure sensor (16), and the slag-drip opening of centrifugal filter (2) is provided with the 8th magnetic valve (17), the inlet and outlet of well strainer (3) is respectively arranged with second pressure sensor (18) and the 3rd pressure sensor (19), the outlet of pipeline (4) is provided with the 9th magnetic valve (20), and the slag-drip opening of well strainer (3) is provided with the tenth magnetic valve (21)。
- 2. iirigation water source filter according to claim 1, it is characterised in that：Set at the top of the sandrock filter (1) It is equipped with into Fei Kou (22) and stirring motor (23), sandrock filter (1) and is internally provided with the stirring being connected with stirring motor (23) Oar (24), circulation motor (25) is provided with backflushing water intake pipe (8).
- 3. iirigation water source filter according to claim 2, it is characterised in that：It is uniformly arranged on the filter (10) There are several mounting holes (26), be fixed with hollow tube (27) in mounting hole (26), hollow tube is provided with filter cap at the top of (27) (28)。
- 4. iirigation water source filter according to claim 3, it is characterised in that：Two are provided with the filter cap (28) The individual ring baffle (29) being parallel to each other, the inside edge of ring baffle (29) are provided with the extension plate (30) tilted upward, and two Blade (31) is provided between individual ring baffle (29), blade (31) is connected to the top of hollow tube (27) by connecting shaft (32) Portion.
- 5. iirigation water source filter according to claim 4, it is characterised in that：Longitudinal direction is provided with the blade (31) Through hole (37), longitudinal hole (37) penetrating blade (31), longitudinal hole (37) and the angle of connecting shaft (32) are 15 °, and longitudinal direction is logical Cross through hole (33) is provided between hole (37) and blade (31) bottom surface, cross through hole (33) mutually hangs down with longitudinal hole (37) Directly.
- A kind of 6. control method of the iirigation water source filter described in claim 1-5 any one, it is characterised in that：Including Following steps,A, the 9th magnetic valve (20), the 7th magnetic valve (15), the 6th magnetic valve (14), the 3rd magnetic valve are opened successively in order (7) the first magnetic valve (5) and second solenoid valve (6), is opened when underground has abundant water resources, is provided by underground water to irrigate with water, The 5th magnetic valve (13) is opened when underground water source is inadequate and provides water source by cistern (36) to irrigate, other valves are closed；B, after irrigation water passes sequentially through the filtering of sandrock filter (1), centrifugal filter (2) and well strainer (3), enter Upstream device；C, the data of second pressure sensor (18) and the 3rd pressure sensor (19) are compared, when pressure differential reaches threshold value When show that well strainer (3) blocks, now open the tenth magnetic valve (21), simultaneously close off the 9th magnetic valve (20), this The irrigation water of the upper two-stage filters of Shi Liujing is rinsed deslagging to well strainer (3)；D, the data of first pressure sensor (16) and second pressure sensor (18) are compared, when pressure differential reaches threshold value When show that centrifugal filter (2) blocks, now open the 8th magnetic valve (17), simultaneously close off the 7th magnetic valve (15), flow Irrigation water through sandrock filter (1) is rinsed deslagging to centrifugal filter (2)；E, need to backwash sandrock filter (1) after irrigation terminates, open the 4th magnetic valve (9) and motor-driven valve (12), Second solenoid valve (6) and the 6th magnetic valve (14) are closed, now irrigation water enters to filtering from the bottom of sandrock filter (1) Plate (10) is backwashed, and impurity flows out from recoil outlet pipe (11).
- 7. the control method of iirigation water source filter according to claim 6, it is characterised in that：From add fertile mouth (22) to Sandrock filter (1) plus fertilizer, undissolved fertilizer are intercepted in the top of filter (10), stirring motor by filter (10) (23) drive agitating paddle (24) to be stirred, sandrock filter could be entered by filter (10) after fertilizer dissolving (1) bottom, the first magnetic valve of closing (5), the 5th magnetic valve (13) and the 6th magnetic valve (14), opening second solenoid valve (6), 4th magnetic valve (9) and the 3rd magnetic valve (7), circulation motor (25) to be pumped to sand by the fine particle of filter (10) Dissolve again on the top of stone filter (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710805061.9A CN107519689B (en) | 2017-09-08 | 2017-09-08 | A kind of iirigation water source filter device and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710805061.9A CN107519689B (en) | 2017-09-08 | 2017-09-08 | A kind of iirigation water source filter device and its control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107519689A true CN107519689A (en) | 2017-12-29 |
| CN107519689B CN107519689B (en) | 2019-11-19 |
Family
ID=60735764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710805061.9A Expired - Fee Related CN107519689B (en) | 2017-09-08 | 2017-09-08 | A kind of iirigation water source filter device and its control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107519689B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111420461A (en) * | 2020-04-26 | 2020-07-17 | 河北省农林科学院石家庄果树研究所 | Fertilizer water filtering equipment |
| CN117065456A (en) * | 2023-10-12 | 2023-11-17 | 山东锆石智能设备有限公司 | Municipal rainwater pipeline filtering control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2295522Y (en) * | 1997-06-27 | 1998-10-28 | 北京通捷机电有限责任公司 | Multi-stage assembled filter |
| CN201536532U (en) * | 2009-10-21 | 2010-08-04 | 甘肃大禹节水股份有限公司 | Centrifugal sand stone net type manual back washing filter fertilization device |
| CN204625368U (en) * | 2015-05-12 | 2015-09-09 | 赤峰天源生态建设有限公司 | A kind of centrifugal silk screen Combined-type water purifier for drip irrigation system |
| CN206214894U (en) * | 2016-10-14 | 2017-06-06 | Awl农业科技（泰州）有限公司 | A kind of high efficiency filter drip irrigation equipment for agricultural production |
-
2017
- 2017-09-08 CN CN201710805061.9A patent/CN107519689B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2295522Y (en) * | 1997-06-27 | 1998-10-28 | 北京通捷机电有限责任公司 | Multi-stage assembled filter |
| CN201536532U (en) * | 2009-10-21 | 2010-08-04 | 甘肃大禹节水股份有限公司 | Centrifugal sand stone net type manual back washing filter fertilization device |
| CN204625368U (en) * | 2015-05-12 | 2015-09-09 | 赤峰天源生态建设有限公司 | A kind of centrifugal silk screen Combined-type water purifier for drip irrigation system |
| CN206214894U (en) * | 2016-10-14 | 2017-06-06 | Awl农业科技（泰州）有限公司 | A kind of high efficiency filter drip irrigation equipment for agricultural production |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111420461A (en) * | 2020-04-26 | 2020-07-17 | 河北省农林科学院石家庄果树研究所 | Fertilizer water filtering equipment |
| CN111420461B (en) * | 2020-04-26 | 2024-04-30 | 河北省农林科学院石家庄果树研究所 | Fertilizer water filtration equipment |
| CN117065456A (en) * | 2023-10-12 | 2023-11-17 | 山东锆石智能设备有限公司 | Municipal rainwater pipeline filtering control method |
| CN117065456B (en) * | 2023-10-12 | 2023-12-19 | 山东锆石智能设备有限公司 | Municipal rainwater pipeline filtering control method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107519689B (en) | 2019-11-19 |
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