CN107519689A - Irrigation water source filtering device and control method thereof - Google Patents

Abstract

The invention discloses an irrigation water source filtering device, which comprises a sandstone filter, a centrifugal filter and a mesh filter arranged in series through pipelines, the inlet of the pipeline is provided with a first electromagnetic valve, and the inlet and outlet of the sandstone filter are respectively A second solenoid valve and a third solenoid valve are provided, a recoil water inlet pipe is connected in parallel between the second solenoid valve and the third solenoid valve, a fourth solenoid valve is arranged on the recoil water inlet pipe, and a sandstone filter is provided with a filter plate, a recoil outlet pipe is arranged above the filter plate, an electric valve is installed on the recoil outlet pipe, a reservoir is connected between the first solenoid valve and the second solenoid valve through the fifth solenoid valve, and the centrifugal filter The inlet and the outlet are respectively provided with a sixth solenoid valve and a seventh solenoid valve, and the outlet of the pipeline is provided with a ninth solenoid valve. The invention can improve the deficiencies of the prior art, can effectively filter the irrigation water, and reduces the economic loss caused by many impurities in the irrigation water to agricultural irrigation.

Description

A kind of iirigation water source filter and its control method

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)

1. a kind of irrigation water filter device, it is characterized in that: comprise the gravel filter (1), centrifugal filter (2) and mesh filter (3) that are arranged in series by pipeline (4), the pipeline (4) The inlet is provided with a first electromagnetic valve (5), the inlet and outlet of the gravel filter (1) are respectively provided with a second electromagnetic valve (6) and a third electromagnetic valve (7), the second electromagnetic valve (6) and the third electromagnetic valve A recoil water inlet pipe (8) is also connected in parallel between the three solenoid valves (7), the recoil water inlet pipe (8) is provided with a fourth solenoid valve (9), and the sand filter (1) is provided with a filter plate ( 10), the top of the filter plate (10) is provided with a recoil outlet pipe (11), an electric valve (12) is installed on the recoil outlet pipe (11), the first solenoid valve (5) and the second solenoid valve (6 ) is connected with a water reservoir (36) through the fifth electromagnetic valve (13), and the inlet and outlet of the centrifugal filter (2) are respectively provided with a sixth electromagnetic valve (14) and a seventh electromagnetic valve (15). The inlet of the filter (2) is also provided with a first pressure sensor (16), the slag outlet of the centrifugal filter (2) is provided with an eighth solenoid valve (17), and the inlet and outlet of the mesh filter (3) are respectively A second pressure sensor (18) and a third pressure sensor (19) are provided, a ninth solenoid valve (20) is provided at the outlet of the pipeline (4), and a tenth solenoid valve (20) is provided at the slag discharge port of the screen filter (3). valve (21). 2. The irrigation water source filtering device according to claim 1, characterized in that: the top of the gravel filter (1) is provided with a fertilizer inlet (22) and a stirring motor (23), and the gravel filter (1) A stirring paddle (24) connected to the stirring motor (23) is arranged inside, and a circulation motor (25) is arranged on the recoil water inlet pipe (8). 3. The irrigation water source filtering device according to claim 2, characterized in that: several installation holes (26) are uniformly arranged on the filter plate (10), and hollow pipes (27) are fixed in the installation holes (26). ), the top of the hollow tube (27) is provided with a filter cap (28). 4. The irrigation water source filtering device according to claim 3, characterized in that: two mutually parallel annular baffles (29) are arranged inside the filter cap (28), and the inner edges of the annular baffles (29) are arranged There is an upwardly inclined extension plate (30), and a blade (31) is arranged between the two annular baffles (29), and the blade (31) is connected to the top of the hollow pipe (27) through a connecting shaft (32). 5. The irrigation water source filtering device according to claim 4, characterized in that: the blade (31) is provided with a longitudinal through hole (37), the longitudinal through hole (37) runs through the blade (31), and the longitudinal through hole ( The angle between 37) and the connecting shaft (32) is 15°, a transverse through hole (33) is arranged between the longitudinal through hole (37) and the bottom surface of the blade (31), and the transverse through hole (33) and the longitudinal through hole (37) ) are perpendicular to each other. 6. A method for controlling the irrigation water source filtering device according to any one of claims 1-5, characterized in that: comprising the following steps, A. Open the ninth solenoid valve (20), the seventh solenoid valve (15), the sixth solenoid valve (14), the third solenoid valve (7) and the second solenoid valve (6) in sequence, when the groundwater source is sufficient When opening the first electromagnetic valve (5), groundwater provides water for irrigation, and when the groundwater source is not sufficient, open the fifth electromagnetic valve (13) to provide water for irrigation by the reservoir (36), and other valves are closed; B. The irrigation water passes through the sand filter (1), the centrifugal filter (2) and the screen filter (3) successively, and then enters the downstream equipment; C. Comparing the data of the second pressure sensor (18) and the third pressure sensor (19), when the pressure difference reaches the threshold value, it shows that the mesh filter (3) is blocked, and now the tenth solenoid valve (21) is opened , and close the ninth electromagnetic valve (20) simultaneously, and the irrigation water flowing through the upper two-stage filter flushes the net filter (3) and discharges slag at this moment; D, compare the data of the first pressure sensor (16) and the second pressure sensor (18), when the pressure difference reaches the threshold, it shows that the centrifuge filter (2) is clogged, and now the eighth electromagnetic valve (17) is opened, Close the seventh solenoid valve (15) simultaneously, and the irrigation water flowing through the gravel filter (1) flushes the centrifugal filter (2) to discharge slag; E. When the irrigation is over, the gravel filter (1) needs to be backwashed, open the fourth solenoid valve (9) and the electric valve (12), close the second solenoid valve (6) and the sixth solenoid valve (14) At this time, irrigation water enters the filter plate (10) from the bottom of the gravel filter (1) to backwash the filter plate (10), and impurities flow out from the backwash outlet pipe (11). 7. The control method of the irrigation water source filtering device according to claim 6, characterized in that: add fertilizer from the fertilizer port (22) to the gravel filter (1), and the undissolved fertilizer is intercepted by the filter plate (10) On the top of the filter plate (10), the stirring motor (23) drives the stirring paddle (24) to stir until the fertilizer dissolves and enters the bottom of the sand filter (1) through the filter plate (10), and the first electromagnetic filter is turned off. valve (5), the fifth solenoid valve (13) and the sixth solenoid valve (14), open the second solenoid valve (6), the fourth solenoid valve (9) and the third solenoid valve (7), the circulation motor (25 ) so that the fine particles passing through the filter plate (10) are drawn to the top of the sand filter (1) to dissolve again.