CN221244207U - Drip irrigation liquid manure integration fertilization prevents stifled filter equipment - Google Patents

Abstract

The application relates to a drip irrigation water and fertilizer integrated fertilization anti-blocking filtering device, wherein the mesh number of a first filter screen is smaller than that of a second filter screen, the first filter screen and the second filter screen are arranged in a transparent pipe body at intervals, a first cavity is provided with a first sewage drain pipe, a third valve is arranged on the first sewage drain pipe, a second cavity is provided with a second sewage drain pipe, a fourth valve is arranged on the second sewage drain pipe, a flushing total valve is arranged at the inlet of a back flushing pipe, and two outlets of the back flushing pipe are respectively communicated with the second cavity and the third cavity. According to the anti-blocking filtering device disclosed by the application, the first filter screen and the second filter screen are filtered step by step, so that the anti-blocking filtering device can be repeatedly used, the service life is prolonged, the practicability of the anti-blocking filtering device is improved, and the problems in the prior art can be solved on the basis that the anti-blocking holes are prevented from being blocked by filtering and the influence on the integrated effect of drip irrigation and water and fertilizer is avoided.

Description

Drip irrigation liquid manure integration fertilization prevents stifled filter equipment

Technical Field

The application relates to the technical field of agricultural planting water and fertilizer integration, in particular to a drip irrigation water and fertilizer integration fertilization anti-blocking filtering device.

Background

In China, the water and fertilizer integrated technology refers to a novel agricultural technology integrating irrigation and fertilization. The water and fertilizer integration is realized by using a pressure system (or natural fall of terrains), and the soluble solid or liquid fertilizer is mixed with irrigation water according to the soil nutrient content and the fertilizer requirement rule and characteristics of the crop types, water and fertilizer are supplied through a controllable pipeline system, so that after the water and fertilizer are mixed, drip irrigation is formed through a pipeline and a drip nozzle, the crop root system development and growth area is uniformly, regularly and quantitatively infiltrated, and the main root system soil always keeps loose and proper water content; meanwhile, according to the fertilizer requirement characteristics of different crops, the soil environment and the nutrient content conditions, the crops need water in different growth periods, the fertilizer requirement rule conditions are designed for the requirements of different growth periods, and the water and the nutrients are provided for the crops at regular time and quantity according to the proportion.

When the water and fertilizer integrated device is used, chemical fertilizers are required to be dissolved in water, and drip irrigation is performed after uniform mixing. However, some larger fertilizer particles generally exist in the fertilizer, the fertilizer is not easy to dissolve in water, in addition, some indissoluble impurity particles exist in the fertilizer, more or less impurity particles exist in irrigation water during the existing water and fertilizer irrigation, and after undissolved fertilizer particles, indissoluble impurity particles in the fertilizer and impurity particles in the irrigation water enter a drip irrigation pipeline, drip irrigation holes on the drip irrigation pipeline are blocked, so that the drip irrigation water and fertilizer integration effect is affected.

Disclosure of utility model

Based on this, it is necessary to provide a drip irrigation water and fertilizer integrated fertilization anti-blocking filter device, which is disclosed by the application, by filtering step by step through a first filter screen and a second filter screen, on the basis of realizing the filtration to prevent the drip irrigation holes from being blocked, avoiding affecting the drip irrigation water and fertilizer integrated effect, the back flushing and blocking of the first filter screen and the second filter screen can be realized, the repeated use of the anti-blocking filter device is realized, the service life is prolonged, the practicability of the anti-blocking filter device is greatly improved, and the above problems in the prior art can be solved.

The utility model provides a drip irrigation liquid manure integration fertilization prevents stifled filter equipment, includes transparent body, back flush pipeline, first filter screen and second filter screen, the both ends of transparent body are connected with inlet tube and outlet pipe respectively, just the inlet tube with be provided with first valve and second valve on the outlet pipe respectively, the mesh number of first filter screen is less than the mesh number of second filter screen the inlet tube is directional in the direction of outlet pipe, first filter screen with the second filter screen interval set up in the transparent body, and will separate into first cavity, second cavity and third cavity in proper order in the transparent body, first cavity is provided with first blow off pipeline, just be provided with the third valve on the first blow off pipeline, the second cavity is provided with the second blow off pipeline, just be provided with the fourth valve on the second blow off pipeline, back flush pipeline's import department is provided with the washing total valve, just two exports of back flush pipeline respectively with second cavity and third cavity intercommunication.

The technical scheme adopted by the application can achieve the following beneficial effects:

According to the drip irrigation and water and fertilizer integrated fertilization anti-blocking filtering device disclosed by the embodiment of the application, when normal water and fertilizer is drip-irrigated, the first filter screen and the second filter screen are used for filtering step by step, the first filter screen is used for filtering impurities with large particles firstly, and then the second filter screen is used for filtering impurities with small particles, so that the filtered water and fertilizer basically does not contain impurity particles, the filtered water and fertilizer enters a drip irrigation pipeline through a water outlet pipe, and the water and fertilizer is relatively clean after being filtered step by step, and basically does not contain impurity particles. Meanwhile, after long-time use, the first filter screen or the second filter screen is blocked, and impurity particles in the first cavity or the second cavity are gathered more, clean water is introduced into the third cavity and the second cavity through a back flushing pipeline to carry out back flushing, so that the clean water back flushing on the first filter screen and the second filter screen is realized, the back flushing and blocking of the first filter screen and the second filter screen are realized, and meanwhile, the impurity particles gathered in the first cavity and the second cavity are taken away through the first sewage drainage pipeline and the second sewage drainage pipeline, and the impurity particles gathered in the first cavity and the second cavity are cleaned and discharged.

According to the anti-blocking filtering device disclosed by the application, through the two-step filtering of the first filter screen and the second filter screen, on the basis of realizing the filtering to prevent the drip irrigation holes from being blocked and avoiding affecting the drip irrigation and water and fertilizer integrated effect, the back flushing and blocking cleaning of the first filter screen and the second filter screen can be realized, the anti-blocking filtering device can be repeatedly used, the service life is prolonged, the practicability of the anti-blocking filtering device is greatly improved, and the problems in the prior art can be solved.

Drawings

Fig. 1 is a schematic diagram of a drip irrigation and water and fertilizer integrated fertilization anti-blocking filtering device disclosed by the embodiment of the application;

fig. 2 is a schematic diagram of a drip irrigation and water and fertilizer integrated fertilization anti-blocking filtering device according to another embodiment of the present application;

Fig. 3 is a schematic diagram of a first filter and a second filter according to an embodiment of the present application.

Wherein: transparent pipe body 100, water inlet pipe 110, first valve 111, water outlet pipe 120, second valve 121, first cavity 130, first sewage 131, third valve 132, first pressure gauge 133, second cavity 140, second sewage 141, fourth valve 142, third pressure gauge 143, third cavity 150, second pressure gauge 151, fifth valve 160, flared engagement section 170, flared engagement section 180, backwash pipe 200, flush total valve 210, first filter screen 310, second filter screen 320, filter screen section 330, and plugging plate section 340.

Detailed Description

In order that the application may be readily understood, a more complete description of the application will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the application. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," "top," "bottom," "top," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3, an embodiment of the present application discloses a drip irrigation water and fertilizer integrated fertilization anti-blocking filter device (hereinafter also referred to as anti-blocking filter device), which includes a transparent pipe body 100, a back flush pipeline 200, a first filter screen 310 and a second filter screen 320, wherein:

The both ends of transparent body 100 are connected with inlet tube 110 and outlet pipe 120 respectively, and are provided with first valve 111 and second valve 121 respectively on inlet tube 110 and the outlet pipe 120, and transparent body 100 is processed by transparent material and forms, and the purpose is in order to be convenient for artifical the observation inside filtration condition, when the impurity granule that the inside filtration of transparent body 100 was come down (undissolved chemical fertilizer granule, indissoluble impurity granule in the chemical fertilizer and impurity granule in the irrigation water) is more, carries out the back flush clearance. The inlet tube 110 links to each other with liquid manure storage facilities, in liquid manure storage facilities, the chemical fertilizer is dissolved in water, that is has stored in liquid manure storage facilities and has dissolved liquid manure, the liquid manure that dissolves enters into transparent body 100 through inlet tube 110 and filters, liquid manure after the filtration is discharged through outlet pipe 120, outlet pipe 120 links to each other with drip irrigation the pipeline, the liquid manure after the filtration gets into drip irrigation the pipeline after passing through outlet pipe 120, then drip irrigation the hole on the pipeline through drip irrigation and drip irrigation to soil.

The number of the first filter screen 310 is smaller than that of the second filter screen 320, for example, the number of the first filter screen 310 is 80 mesh, the number of the second filter screen 320 is 110 mesh, in the direction of the water inlet pipe 110 pointing to the water outlet pipe 120, that is, in the direction of the flow of the water and fertilizer, the first filter screen 310 and the second filter screen 320 are arranged in the transparent pipe body 100 at intervals, the transparent pipe body 100 is divided into a first cavity 130, a second cavity 140 and a third cavity 150 in sequence, the dissolved water and fertilizer enters the first cavity 130 through the water inlet pipe 110 and then enters the second cavity 140 through the first filter screen 310, when the dissolved water and fertilizer passes through the first filter screen 310, the impurity particles with larger particle sizes are filtered by the first filter screen 310, the impurities filtered by the first filter screen 310 are enriched on the first filter screen 310 and the bottom of the first cavity 130, the water fertilizer entering the second cavity 140 does not contain impurity particles with larger particle size, the water fertilizer entering the second cavity 140 then enters the third cavity 150 through the second filter screen 320, when the water fertilizer passes through the second filter screen 320, the impurity particles with smaller particle size are filtered by the second filter screen 320, the impurities filtered by the second filter screen 320 are concentrated on the second filter screen 320 and the bottom of the second cavity 140, the impurities filtered by the second filter screen 320 are filtered step by the first filter screen 310, the impurities with larger particle size are filtered firstly by the first filter screen 310, then the impurities with smaller particle size are filtered by the second filter screen 320, so that the impurity particles are basically not contained in the water fertilizer entering the third cavity 150, the water fertilizer in the third cavity 150 enters the drip irrigation pipeline through the water outlet pipe 120, the water fertilizer in the third cavity 150 is cleaner because the water fertilizer is filtered step by the second filter screen, the impurity particles are filtered, the water fertilizer basically does not contain impurity particles, after the water fertilizer filtered by the part enters the drip irrigation pipeline, the water fertilizer can stably and smoothly drip irrigation into soil through drip irrigation holes on the drip irrigation pipeline, the blockage of the drip irrigation holes on the drip irrigation pipeline can be avoided, the water outlet smoothness of the drip irrigation holes on the drip irrigation pipeline is ensured, and the influence on the integrated effect of the drip irrigation and the water fertilizer is avoided.

The impurity particles filtered by the first filter screen 310 and the second filter screen 320 are gathered on the first filter screen 310 and the second filter screen 320 and in the first cavity 130 and the second cavity 140, after long-term use, the first filter screen 310 or the second filter screen 320 is blocked, and the impurity particles in the first cavity 130 or the second cavity 140 are gathered more, and at this time, back flushing is needed for cleaning. Specifically, the first cavity 130 is provided with a first drain pipe 131 for discharging the impurity particles collected in the first cavity 130, the first drain pipe 131 is provided with a third valve 132, the second cavity 140 is provided with a second drain pipe 141 for discharging the impurity particles collected in the second cavity 140, the second drain pipe 141 is provided with a fourth valve 142, the back flush pipe 200 is connected with filtered clean water, the inlet of the back flush pipe 200 is provided with a flushing total valve 210, and two outlets of the back flush pipe 200 are respectively communicated with the second cavity 140 and the third cavity 150.

In specific use, when the normal liquid manure is required to drip irrigation, the flushing main valve 210, the third valve 132 and the fourth valve 142 are closed, the first valve 111 and the second valve 121 are opened, and the dissolved liquid manure sequentially passes through the first cavity 130, the first filter screen 310, the second cavity 140, the second filter screen 320 and the third cavity 150 through the water inlet pipe 110, and then enters the drip irrigation pipeline through the water outlet pipe 120, and as the liquid manure is filtered step by step through the first filter screen 310 and the second filter screen 320, the drip irrigation hole on the drip irrigation pipeline is prevented from being blocked, and the influence on the integrated effect of the drip irrigation liquid manure is avoided. After long-time use, the internal filtering condition is observed manually through the transparent pipe body 100, when more impurity particles are gathered, the first valve 111 and the second valve 121 are closed, the flushing main valve 210, the third valve 132 and the fourth valve 142 are opened, clean water is introduced into the third cavity 150 and the second cavity 140 through the backwashing pipeline 200 to carry out backwashing, clean water entering the third cavity 150 enters the second cavity 140 through the second filter screen 320, impurity particles enriched on the second filter screen 320 and impurity particles gathered in the second cavity 140 are discharged through the second sewage pipeline 141, clean water entering the second cavity 140 enters the first cavity 130 through the first filter screen 310, the impurity particles enriched on the first filter screen 310 and the impurity particles gathered in the first cavity 130 are discharged through the first sewage pipeline 131, simultaneously, clean water entering the first cavity 130 and the second cavity 140 is also discharged through the second filter screen 320, and the clean water entering the drip irrigation pipe body is completed after the manual cleaning condition is observed again, and the cleaning mode is completed.

In the drip irrigation and water and fertilizer integrated fertilization anti-blocking filtering device disclosed by the embodiment of the application, when normal water and fertilizer is drip-irrigated, the first filter screen 310 and the second filter screen 320 are used for filtering step by step, the first filter screen 310 is used for filtering large-particle impurities, and the second filter screen 320 is used for filtering small-particle impurities, so that the filtered water and fertilizer basically does not contain impurity particles, and the filtered water and fertilizer enters a drip irrigation pipeline through the water outlet pipe 120. Meanwhile, after long-time use, the first filter screen 310 or the second filter screen 320 is blocked, and impurity particles in the first cavity 130 or the second cavity 140 are more aggregated, clean water is introduced into the third cavity 150 and the second cavity 140 through the back flush pipeline 200 to back flush the first filter screen 310 and the second filter screen 320, so that the back flush blocking of the first filter screen 310 and the second filter screen 320 is realized, and meanwhile, the impurity particles aggregated in the first cavity 130 and the second cavity 140 are taken away through the first drain pipeline 131 and the second drain pipeline 141, and the impurity particles aggregated in the first cavity 130 and the second cavity 140 are cleaned and discharged.

According to the anti-blocking filtering device disclosed by the application, through the two-step filtering of the first filter screen and the second filter screen, on the basis of realizing the filtering to prevent the drip irrigation holes from being blocked and avoiding affecting the drip irrigation and water and fertilizer integrated effect, the back flushing and blocking removal of the first filter screen 310 and the second filter screen 320 can be realized, the anti-blocking filtering device can be repeatedly used, the service life is prolonged, the practicability of the anti-blocking filtering device is greatly improved, and the problems in the prior art can be solved.

As described above, when the internal filtering condition is observed manually through the transparent pipe body 100 and the impurity particles are found to gather more, the back flushing cleaning is performed, so that the manual regular observation is needed, firstly, the manual workload is increased, secondly, the manual regular observation is very inconvenient, the manual regular observation cannot be timely processed when the blocking condition occurs, thirdly, the manual observation has a larger error, and the visual field is limited and the error is larger when the manual observation is caused due to the poor transparency of the liquid manure, and for the three points, the anti-blocking filtering device disclosed by the application can further comprise a control system, the first cavity 130 is provided with the first pressure gauge 133, the third cavity 150 is provided with the second pressure gauge 151, and the first valve 111, the second valve 121, the third valve 132, the fourth valve 142, the flushing master valve 210, the first pressure gauge 133 and the second pressure gauge 151 are all electrically connected with the control system.

In the normal drip irrigation process, the pressure values of the first pressure gauge 133 and the second pressure gauge 151 should be equal, when the anti-blocking filter device is blocked, that is, after the first filter screen 310 or the second filter screen 320 is blocked, the pressure value of the first pressure gauge 133 is greater than the pressure value of the second pressure gauge 151, according to which the control system monitors the pressure values of the first pressure gauge 133 and the second pressure gauge 151, and when the pressure value of the first pressure gauge 133 is greater than the pressure value of the second pressure gauge 151, the valves are controlled to be closed and opened to be mutually matched so as to complete the back flushing and blocking operation, and then the normal drip irrigation mode is re-entered. Through the mode, the condition of internal filtration can be avoided manually through the transparent pipe body 100, so that the three-point problem can be avoided, the drip irrigation process is automatic and intelligent, and the accuracy is improved.

In the process of backwashing and blocking, clean water after backwashing the second filter screen 320 enters the second cavity 140, meanwhile, clean water for backwashing the first filter screen 310 also enters the second cavity 140 at the same time, clean water after backwashing the second filter screen 320 needs to be discharged through the second sewage discharge pipeline 141, clean water for backwashing the first filter screen 310 needs to enter the first cavity 130 after backwashing the first filter screen 310, mixing of the two parts of water can cause impurity particles mixed in the clean water for backwashing the first filter screen 310, the blocking cleaning effect of the first filter screen 310 is poor, and most of the mixed water is discharged from the second sewage discharge pipeline 141, so that the backwashing and blocking of the first filter screen 310 cannot be effectively performed. Based on this, optionally, the transparent pipe body 100 is provided with a fifth valve 160, the fifth valve 160 is located in the second cavity 140, and the second cavity 140 is provided with a third pressure gauge 143, both the fifth valve 160 and the third pressure gauge 143 are electrically connected with the control system, one outlet of the backwash pipe 200 is located between the fifth valve 160 and the first filter screen 310, and the second sewage pipe 141 is located between the fifth valve 160 and the second filter screen 320.

Referring to fig. 2, during normal water and fertilizer drip irrigation, the first valve 111, the second valve 121, and the fifth valve 160 are opened, and the flushing total valve 210, the third valve 132, and the fourth valve 142 are closed. When only the first filter screen 310 is blocked, the pressure value of the first pressure gauge 133 is larger than the pressure value of the third pressure gauge 143, the pressure value of the third pressure gauge 143 is equal to the pressure value of the second pressure gauge 151, at the moment, the first valve 111, the second valve 121 and the fifth valve 160 are closed, the flushing main valve 210 and the third valve 132 are opened, so that clean water only enters between the fifth valve 160 and the first filter screen 310 to perform backflushing and blocking cleaning on the first filter screen 310; when only the second filter screen 320 is blocked, the pressure value of the first pressure gauge 133 is equal to the pressure value of the third pressure gauge 143, the pressure value of the third pressure gauge 143 is larger than the pressure value of the second pressure gauge 151, at this time, the first valve 111, the second valve 121 and the fifth valve 160 are closed, the flushing total valve 210 and the fourth valve 142 are opened, so that clean water enters the third cavity 150 and then is backwashed and blocked to the second filter screen 320, and backwashed water only enters between the fifth valve 160 and the second filter screen 320 and is discharged through the second sewage drain 141.

When both the first filter screen 310 and the second filter screen 320 are blocked, the pressure values of the first pressure gauge 133, the third pressure gauge 143 and the second pressure gauge 151 become smaller in sequence, at this time, the first valve 111, the second valve 121 and the fifth valve 160 are closed, the flushing main valve 210, the third valve 132 and the fourth valve 142 are opened, so that clean water enters between the fifth valve 160 and the first filter screen 310 to perform back flushing and cleaning, and meanwhile, the back flushing of the second filter screen 320 is performed between the fifth valve 160 and the second filter screen 320, and the two parts of water are separated by the fifth valve 160, so that the two parts of water can be prevented from being mixed, impurity particles are prevented from being mixed in clean water of the back flushing first filter screen 310, the poor back flushing and cleaning effect of the first filter screen 310 is prevented, and the two parts of water can be prevented from being discharged from the second sewage discharge pipeline 141 after being mixed, and the back flushing and cleaning of the first filter screen 310 can be further effectively performed.

Preferably, the mesh number of the first filter screen 310 is 70 to 80 meshes, the mesh number of the second filter screen 320 is 100 to 120 meshes, and the first filter screen 310 and the second filter screen 320 are used for filtering step by step, so that impurity particles are basically not existed in the filtered water fertilizer, the drip irrigation holes on a drip irrigation pipeline can be prevented from being blocked, the drip irrigation smoothness of the water outlet of the drip irrigation holes on the drip irrigation pipeline is ensured, and the influence on the drip irrigation water fertilizer integration effect is avoided.

In order to improve the filtering effect, optionally, the water inlet pipe 110 is connected with one end of the transparent pipe body 100 through the flaring connection section 170, the other end of the transparent pipe body 100 is connected with the water outlet pipe 120 through the necking connection section 180, when the water and fertilizer enter the first cavity 130 through the water inlet pipe 110, the inner diameter is increased due to the existence of the flaring connection section 170, so that the water and fertilizer pressure is reduced, the phenomenon that the water and fertilizer pressure is high and directly rushes through the first filter screen 310, impurity particles rushes through the first filter screen 310 is avoided, thereby improving the filtering effect, simultaneously, when the filtered water and fertilizer enters the water outlet pipe 120, only a small part of the filtered water and fertilizer enters the water outlet pipe 120 due to the existence of the necking connection section 180 in the third cavity 150, so that the filtered water and fertilizer in the third cavity 150 are sufficient, so that the water and fertilizer which permeate through the second filter screen 320 are less, the pressure is small, the phenomenon that the third cavity 150 needs more water and fertilizer and causes the water and fertilizer to be high and rushed through the second filter screen 320 is avoided, and the impurity particles to rushed through the second filter screen 320 is avoided, thereby improving the filtering effect.

Meanwhile, the pipe diameter of the water outlet pipe 120 is larger than that of the water inlet pipe 110, so that the inlet and outlet of the whole anti-blocking filtering device can form an effect of shortage, so that the filtered water and fertilizer can be discharged in time, and the reverse flow of the water and fertilizer is prevented from blocking the opposite sides (the side facing the water outlet pipe 120) of the first filter screen 310 and the second filter screen 320, so that the effect of back flushing and blocking is poor.

Preferably, the aperture of the first sewage drain pipe 131 and the aperture of the second sewage drain pipe 141 are both larger than the aperture of the outlet of the back flushing pipe 200, so that a supply-shortage effect can be formed in the back flushing process, and the back flushing water can be discharged in time, so that poor back flushing effect caused by pressure holding on the inner wall is avoided.

In the filtering process of the first filter screen 310, the filtered impurity particles are accumulated at the bottom of the first filter screen 310, so as to avoid that the water and fertilizer can pass through the bottom of the first filter screen 310 to take away the impurity particles, and the filtering effect is poor (the second filter screen 320 is also the same, and the first filter screen 310 is taken as an example for illustrating the problem here for the sake of brevity of text), optionally, the first filter screen 310 and the second filter screen 320 both comprise a filter screen portion 330 and a plugging plate portion 340, and the plugging plate portion 340 is located at the bottom side of the transparent tube body 100, so that the plugging plate portion 340 where the filtered impurity particles can be accumulated is arranged, and the water and fertilizer cannot pass through the plugging plate portion 340, so that the water and fertilizer can be prevented from taking away the impurity particles when passing through the bottom of the first filter screen 310, and the filtering effect is poor, thereby further improving the filtering effect.

Further, the first drain pipe 131 and the second drain pipe 141 are both disposed at the bottom side of the transparent pipe 100, and the first drain pipe 131 and the plugging plate 340 of the first filter screen 310 are disposed in a matching manner, that is, the first drain pipe 131 is disposed at the root of the plugging plate 340 of the first filter screen 310, the second drain pipe 141 and the plugging plate 340 of the second filter screen 320 are disposed in a matching manner, that is, the second drain pipe 141 is disposed at the root of the plugging plate 340 of the second filter screen 320, the filtered impurity particles directly fall into the first drain pipe 131 and the second drain pipe 141 under the action of gravity, so that the impurity particles can be reduced to be gathered in the first cavity 130 and the second cavity 140, in the normal drip irrigation process, the parts of the first drain pipe 131 and the second drain pipe 141 connected with the transparent pipe 100 are similar to the impurity collecting part, the impurity particles directly fall into the impurity collecting part under the action of gravity, and back flushing is performed when the impurity particles gathered in the impurity collecting part are more, and the impurity particles are directly discharged through the first drain pipe 131 and the second drain pipe 141.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.

Claims (8)

1. The utility model provides a drip irrigation liquid manure integration fertilization prevents stifled filter equipment, its characterized in that, including transparent body (100), back flush pipeline (200), first filter screen (310) and second filter screen (320), the both ends of transparent body (100) are connected with inlet tube (110) and outlet pipe (120) respectively, just be provided with first valve (111) and second valve (121) on inlet tube (110) with outlet pipe (120) respectively, the mesh number of first filter screen (310) is less than the mesh number of second filter screen (320) inlet tube (110) point to in the direction of outlet pipe (120), first filter screen (310) with second filter screen (320) interval set up in transparent body (100), and will separate into first cavity (130), second cavity (140) and third cavity (150) in proper order in transparent body (100), first cavity (130) are provided with first drain pipeline (131), and first drain pipeline (110) point to the direction of outlet pipe (120), first drain pipeline (140) are provided with second drain pipeline (141) and are provided with fourth drain pipeline (141), and two outlets of the back flushing pipeline (200) are respectively communicated with the second cavity (140) and the third cavity (150).

2. The drip irrigation, water and fertilizer integrated fertilization anti-blocking filter device according to claim 1, further comprising a control system, wherein the first cavity (130) is provided with a first pressure gauge (133), the third cavity (150) is provided with a second pressure gauge (151), and the first valve (111), the second valve (121), the third valve (132), the fourth valve (142), the flushing total valve (210), the first pressure gauge (133) and the second pressure gauge (151) are all electrically connected with the control system.

3. The drip irrigation and water and fertilizer integrated fertilization anti-blocking filter device according to claim 2, wherein the transparent pipe body (100) is provided with a fifth valve (160), the fifth valve (160) is located in the second cavity (140), the second cavity (140) is provided with a third pressure gauge (143), and the fifth valve (160) and the third pressure gauge (143) are electrically connected with the control system.

4. The drip irrigation and water and fertilizer integrated fertilization anti-blocking filter device according to claim 1, wherein the mesh number of the first filter screen (310) is 70-80 mesh, and the mesh number of the second filter screen (320) is 100-120 mesh.

5. The drip irrigation and water and fertilizer integrated fertilization anti-blocking filter device according to claim 1, wherein the water inlet pipe (110) is connected with one end of the transparent pipe body (100) through a flaring connection section (170), the other end of the transparent pipe body (100) is connected with the water outlet pipe (120) through a necking connection section (180), and the pipe diameter of the water outlet pipe (120) is larger than that of the water inlet pipe (110).

6. The drip irrigation and water and fertilizer integrated fertilization anti-blocking filter device according to claim 1, wherein the aperture of the first sewage drain pipe (131) and the aperture of the second sewage drain pipe (141) are both larger than the aperture of the outlet of the back flushing pipe (200).

7. The drip irrigation, water and fertilizer integrated fertilization anti-blocking filter device according to claim 1, wherein the first filter screen (310) and the second filter screen (320) each comprise a filter screen portion (330) and a plugging plate portion (340), and the plugging plate portion (340) is located at the bottom side of the transparent tube body (100).

8. The drip irrigation, water and fertilizer integrated fertilization and anti-blocking filter device according to claim 7, wherein the first drain pipe (131) and the second drain pipe (141) are both arranged at the bottom side of the transparent pipe body (100), the first drain pipe (131) is matched with the plugging plate portion (340) of the first filter screen (310), and the second drain pipe (141) is matched with the plugging plate portion (340) of the second filter screen (320).