Automatic anti-blocking water and fertilizer machine
By designing a backwash device and controller in the water and fertilizer machine, the automatic backwashing of the filter is achieved, which solves the problem of filter blockage during the fertilization process and improves the stability and efficiency of the fertilization process.
Patent Information
- Application Number
- CN202421973277.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-15
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2034-08-15
AI Technical Summary
During the fertilization process, the filter is prone to blockage due to the diversity of fertilizers, which affects the mixing effect of fertilizers and water. It is necessary to shut down to solve the blockage problem and affects normal work.
A water and fertilizer machine including a backwashing device is designed. The backwashing device includes a flushing pipe, a wastewater drain pipe, a solenoid valve, etc., and the filter is regularly or automatically reversely flushed through the controller to clean up blockages.
Automatic cleaning of the water and fertilizer machine is realized, preventing shutdown and maintenance caused by filter blockage, and improving the stability and efficiency of the fertilization process.
Smart Images

Figure CN223024955U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a water fertilizer machine capable of automatically preventing blocking, belonging to the technical field of water fertilizer machine blocking prevention. Background Art
[0002] The existing water fertilizer machine includes a mounting frame, on which a controller, a water inlet pipe and a fertilizer inlet pipe are arranged. The water inlet pipe is connected to the fertilizer inlet pipe and the fertilizer-water mixing pipe, which is in turn connected to the liquid pump and the fertilizer-water discharge pipe. An ejector is arranged at the connection between the fertilizer-water mixing pipe and the water inlet pipe, and the fertilizer inlet pipe is connected to the ejector. An electric ball valve, a filter and a flow meter are arranged on the fertilizer inlet pipe from the fertilizer inlet of the fertilizer inlet pipe to the ejector. Its structure is as follows: Figure 1 and Figure 2 shown.
[0003] Although the existing water fertilizer machine is capable of fertilizing, the applicant found during use that due to the diversity of fertilizers used in the fertilization process, with different concentrations, it is easy to cause the filter to be blocked, affecting the fertilizer-water mixing effect, and it is necessary to stop the machine to solve the blockage problem, affecting the normal progress of the work.
[0004] Therefore, a water-fertilizer machine is now needed that can automatically solve the problem of anti-blocking and ensure the normal progress of fertilization. Utility Model Content
[0005] In view of this, the purpose of the utility model is to provide a water-fertilizer machine that can automatically prevent blockage, which can automatically solve the problem of preventing blockage and ensure the normal fertilization; it can overcome the shortcomings of the existing technology.
[0006] The purpose of this utility model is achieved through the following technical solutions:
[0007] The utility model discloses a water-fertilizer machine capable of automatically preventing blockage, which comprises a mounting frame, on which a controller, a water inlet pipe and a fertilizer inlet pipe are arranged, the water inlet pipe is connected with the fertilizer inlet pipe and a fertilizer-water mixing pipe, the fertilizer-water mixing pipe is connected with a liquid pump and a fertilizer-water discharging pipe in sequence, an ejector is arranged at the connection between the fertilizer-water mixing pipe and the water inlet pipe, the fertilizer inlet pipe is connected with the ejector, an electric ball valve, a filter and a flow meter are arranged on the fertilizer inlet pipe from the fertilizer inlet of the fertilizer inlet pipe to the ejector in sequence, the electric ball valve and the flow meter are both interactive with controller data, a backwashing device of the filter is arranged on the fertilizer inlet pipe, the backwashing device interacts with the controller data to enable the controller to periodically backwash the filter.
[0008] The above-mentioned backwashing device comprises:
[0009] A flushing pipe, both ends of which are connected to the water inlet pipe and the fertilizer inlet pipe respectively, and the connection point between the flushing pipe and the fertilizer inlet pipe is located on the fertilizer inlet pipe section between the filter and the flow meter;
[0010] A waste water discharge pipe, which is located on the fertilizer inlet pipe section between the filter and the fertilizer inlet;
[0011] A fertilizer inlet pipe solenoid valve A, which is located on the fertilizer inlet pipe section between the waste water discharge pipe and the fertilizer inlet;
[0012] A waste water solenoid valve, which is located on the waste water discharge pipe;
[0013] A flushing solenoid valve, which is located on the flushing pipe;
[0014] A fertilizer inlet pipe solenoid valve B, which is located on the fertilizer inlet pipe section between the flushing pipe and the flow meter;
[0015] The fertilizer inlet pipe solenoid valve A, the waste water solenoid valve, the flushing solenoid valve and the fertilizer inlet pipe solenoid valve B are all connected to the controller.
[0016] As described above, support feet are provided on the lower side of the mounting frame, and the waste water discharge pipe is vertically downward.
[0017] As described above, a manual valve for the fertilizer inlet pipe is provided on the fertilizer inlet pipe section between the filter and the injector.
[0018] Compared with the prior art, the beneficial effects of the present utility model are:
[0019] 1. The present utility model can clean the filter through the backwashing device, and can perform regular reverse flushing through the controller or control the backwashing device to perform reverse flushing on the filter after finding that the flow rate of the flow meter decreases, realizing automatic cleaning.
[0020] 2. The backwashing device includes a flushing pipe, a waste water discharge pipe, a fertilizer inlet pipe solenoid valve A, a waste water solenoid valve, a flushing solenoid valve, and a fertilizer inlet pipe solenoid valve B. Specifically, both ends of the flushing pipe are respectively connected to the water inlet pipe and the fertilizer inlet pipe. The connection point between the flushing pipe and the fertilizer inlet pipe is located on the fertilizer inlet pipe section between the filter and the flow meter. The waste water discharge pipe is located on the fertilizer inlet pipe section between the filter and the fertilizer inlet. The fertilizer inlet pipe solenoid valve A is located on the fertilizer inlet pipe section between the waste water discharge pipe and the fertilizer inlet. The waste water solenoid valve is located on the waste water discharge pipe. The flushing solenoid valve is located on the flushing pipe. The fertilizer inlet pipe solenoid valve B is located on the fertilizer inlet pipe section between the flushing pipe and the flow meter. At the same time, the fertilizer inlet pipe solenoid valve A, the waste water solenoid valve, the flushing solenoid valve, and the fertilizer inlet pipe solenoid valve B are all connected to the controller. With such a structure, during cleaning, the fertilizer pipe solenoid valve A and the fertilizer inlet pipe solenoid valve B are closed through the controller, the waste water solenoid valve and the flushing solenoid valve are opened, water is introduced into the flushing pipe through the water inlet pipe and then the filter is backwashed. After the backwashing, the waste water and the blockage are discharged through the waste water discharge pipe. After cleaning the blockage, the fertilizer pipe solenoid valve A and the fertilizer inlet pipe solenoid valve B are opened through the controller, and the waste water solenoid valve and the flushing solenoid valve are closed to resume normal fertilizer-water mixing fertilization. In this way, automatic backwashing cleaning can be carried out through the controller. According to multiple experiments, each cleaning time is from several seconds to half a minute, which is efficient and can effectively ensure the stability of the fertilization process.
[0021] Other advantages, objectives, and features of the present utility model will be described to some extent in the subsequent description, and to some extent, will be obvious to those skilled in the art based on the study of the following text, or can be taught from the practice of the present utility model. The objectives and other advantages of the present utility model can be achieved and obtained through the following description. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] In order to make the objectives, technical solutions, and advantages of the present utility model clearer, the present utility model will be further described in detail below in conjunction with the drawings, where:
[0023] Figure 1 is a three-dimensional connection structure schematic diagram of the prior art.
[0024] Figure 2 is a three-dimensional connection structure schematic diagram of another angle of the prior art.
[0025] Figure 3 is a three-dimensional connection structure schematic diagram of the present utility model.
[0026] Figure 4 is a three-dimensional connection structure schematic diagram of another angle of the present utility model.
[0027] Figure 5 is a three-dimensional connection structure schematic diagram of the present utility model.
[0028] Among them, there are mounting bracket 1, controller 2, water inlet pipe 3, fertilizer inlet pipe 4, fertilizer-water mixing pipe 5, liquid pump 6, fertilizer-water discharge pipe 7, injector 8, electric ball valve 9, filter 10, flowmeter 11, flushing pipe 12, waste water discharge pipe 13, fertilizer inlet pipe solenoid valve A 14, waste water solenoid valve 15, flushing solenoid valve 16, fertilizer inlet pipe solenoid valve B 17, and fertilizer inlet pipe manual valve 18. Detailed implementation manners
[0029] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the preferred embodiments are only for explaining the present invention and not for limiting the protection scope of the present invention.
[0030] As Figures 3 - 5 shown, a fertilizer-water machine capable of automatically preventing blockage disclosed by the present invention includes a mounting bracket 1, on which a controller 2, a water inlet pipe 3 and a fertilizer inlet pipe 4 are provided. The water inlet pipe 3 and the fertilizer inlet pipe 4 are connected to a fertilizer-water mixing pipe 5. The fertilizer-water mixing pipe 5 is sequentially connected to a liquid pump 6 and a fertilizer-water discharge pipe 7. An injector 8 is provided at the connection between the fertilizer-water mixing pipe 5 and the water inlet pipe 3. The fertilizer inlet pipe 4 is connected to the injector 8. An electric ball valve 9, a filter 10 and a flowmeter 11 are sequentially provided on the fertilizer inlet pipe 4 from the fertilizer inlet of the fertilizer inlet pipe 4 to the injector 8. A fertilizer inlet pipe manual valve 18 is provided on the pipe section of the fertilizer inlet pipe 4 between the filter 10 and the injector 8. Both the electric ball valve 9 and the flowmeter 11 perform data interaction with the controller 2. A backwashing device for the filter 10 is provided on the fertilizer inlet pipe 4. The backwashing device performs data interaction with the controller 2 to enable the controller 2 to regularly backwash the filter 10. With such a structure, the filter 10 can be cleaned by the backwashing device, and the controller 2 can perform regular reverse flushing or, after detecting a decrease in the flow rate of the flowmeter, control the backwashing device to perform reverse flushing on the filter 10 to achieve automatic cleaning.
[0031] Furthermore, the backwashing device includes a flushing pipe 12, a wastewater discharge pipe 13, a fertilizer inlet pipe solenoid valve A 14, a wastewater solenoid valve 15, a flushing solenoid valve 16, and a fertilizer inlet pipe solenoid valve B 17. Specifically, both ends of the flushing pipe 12 are respectively communicated with the water inlet pipe 3 and the fertilizer inlet pipe 4. The connection point of the flushing pipe 12 and the fertilizer inlet pipe 4 is located on the pipe section of the fertilizer inlet pipe 4 between the filter 10 and the flow meter 11; the wastewater discharge pipe 13 is located on the pipe section of the fertilizer inlet pipe 4 between the filter 10 and the fertilizer inlet; the fertilizer inlet pipe solenoid valve A 14 is located on the pipe section of the fertilizer inlet pipe 4 between the wastewater discharge pipe 13 and the fertilizer inlet; the wastewater solenoid valve 15 is located on the wastewater discharge pipe 13; the flushing solenoid valve 16 is located on the flushing pipe 12; the fertilizer inlet pipe solenoid valve B 17 is located on the pipe section of the fertilizer inlet pipe 4 between the flushing pipe 12 and the flow meter 11; at the same time, the fertilizer inlet pipe solenoid valve A 14, the wastewater solenoid valve 15, the flushing solenoid valve 16, and the fertilizer inlet pipe solenoid valve B 17 are all connected to the controller 2. With such a structure, during cleaning, the fertilizer pipe solenoid valve A 14 and the fertilizer inlet pipe solenoid valve B 17 are closed through the controller 2, the wastewater solenoid valve 15 and the flushing solenoid valve 16 are opened, water is introduced into the flushing pipe 12 through the water inlet pipe 3 and then the filter 10 is backwashed. After the backwashing, the wastewater and blockages are discharged through the wastewater discharge pipe 13. When the blockages are cleared, the fertilizer pipe solenoid valve A 14 and the fertilizer inlet pipe solenoid valve B 17 are opened through the controller 2, and the wastewater solenoid valve 15 and the flushing solenoid valve 16 are closed to resume normal fertilizer-water mixing and fertilization. In this way, automatic backwashing can be carried out through the controller 2. According to multiple experiments, the cleaning time each time is from 10 seconds to half a minute, which is efficient and can effectively ensure the stability of the fertilization process.
[0032] Support feet are provided on the lower side of the mounting frame 1, and the wastewater discharge pipe 13 is vertically downward. Such a vertically downward wastewater discharge pipe 13 is conducive to wastewater discharge.
[0033] The above are only the preferred embodiments of the present invention, and there is no any form of confidentiality restriction on the present invention. Any simple modification, equivalent change, and modification made to the above embodiments based on the technical content of the present invention and according to the technical essence of the present invention still fall within the scope of the technical solution of the present invention.
Claims
1. A water-fertilizer machine capable of automatically preventing blockage, comprising a mounting frame (1), on which a controller (2), a water inlet pipe (3) and a fertilizer inlet pipe (4) are arranged, the water inlet pipe (3) is connected to the fertilizer inlet pipe (4) and a fertilizer-water mixing pipe (5), the fertilizer-water mixing pipe (5) is connected to a liquid pump (6) and a fertilizer-water discharge pipe (7) in sequence, an ejector (8) is arranged at the connection between the fertilizer-water mixing pipe (5) and the water inlet pipe (3), the fertilizer inlet pipe (4) is connected to the ejector (8), an electric ball valve (9), a filter (10) and a flow meter (11) are arranged in sequence on the fertilizer inlet pipe (4) from the fertilizer inlet port of the fertilizer inlet pipe (4) to the ejector (8), the electric ball valve (9) and the flow meter (11) are both data-exchanged with the controller (2), and characterized in that: A backwashing device for the filter (10) is provided on the fertilizer inlet pipe (4), and the backwashing device interacts with the controller (2) in data so that the controller (2) can periodically backwash the filter (10).
2. The water-fertilizer machine capable of automatically preventing blockage according to claim 1, characterized in that: The backwash device comprises: A flushing pipe (12), wherein both ends of the flushing pipe (12) are respectively connected to the water inlet pipe (3) and the fertilizer inlet pipe (4), and the connection point between the flushing pipe (12) and the fertilizer inlet pipe (4) is located on the section of the fertilizer inlet pipe (4) between the filter (10) and the flow meter (11); A wastewater discharge pipe (13), wherein the wastewater discharge pipe (13) is located on a pipe section of the fertilizer inlet pipe (4) between the filter (10) and the fertilizer inlet; A fertilizer inlet pipe electromagnetic valve A (14), the fertilizer inlet pipe electromagnetic valve A (14) being located on the fertilizer inlet pipe (4) section between the wastewater discharge pipe (13) and the fertilizer inlet; A wastewater solenoid valve (15), the wastewater solenoid valve (15) being located on the wastewater discharge pipe (13); A flushing solenoid valve (16), wherein the flushing solenoid valve (16) is located on the flushing pipe (12); A fertilizer inlet pipe electromagnetic valve B (17), wherein the fertilizer inlet pipe electromagnetic valve B (17) is located on the section of the fertilizer inlet pipe (4) between the flushing pipe (12) and the flow meter (11); The fertilizer inlet pipe solenoid valve A (14), the wastewater solenoid valve (15), the flushing solenoid valve (16) and the fertilizer inlet pipe solenoid valve B (17) are all connected to the controller (2).
3. The water-fertilizer machine capable of automatically preventing blockage according to claim 2 is characterized in that: Support feet are provided on the lower side of the mounting frame (1), and the wastewater discharge pipe (13) is vertically downward.
4. The water-fertilizer machine capable of automatically preventing blockage according to any one of claims 1 to 3, characterized in that: A manual fertilizer inlet pipe valve (18) is provided on the section of the fertilizer inlet pipe (4) between the filter (10) and the ejector (8).