Large filter screen all-in-one machine with multiple dissolving modes and continuous fertilizer dissolving and applying

Through the various dissolution methods of the large filter all-in-one machine, the problems of low dissolution efficiency, uneven concentration and low automation control are solved, and efficient and continuous dissolution and fertilization processes are achieved, which improves equipment utilization and fertilization efficiency.

CN223080536UActive Publication Date: 2025-07-11SHAANXI BIYUANHE WATER CONSERVANCY TECH CO LTD
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Patent Information

Application Number
CN202422091021.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-27
Publication Date
2025-07-11
Estimated Expiration
2034-08-27

AI Technical Summary

Technical Problem

In the prior art, fertilizer dissolution efficiency is low, easy to block, uneven concentration, difficult to add fertilizer, and low degree of automation control, resulting in low fertilization efficiency.

Method used

A large filter is used to combine gas stirring, heating and fertilizer circulation dissolution methods, impurities are filtered through stainless steel filters, gas stirring heating pipelines and circulating pressurization pumps are used to achieve multiple dissolution methods, and a large filter is combined to divide the dissolved fertilizer chamber into a filter clean chamber and a fertilizer silo, and a hot air fan and an air pump are set up to achieve continuous dissolution and fertilization.

Benefits of technology

The fertilizer dissolution speed and uniformity are improved, the diversion pipelines are prevented, and the dissolution and application are integrated, the fertilization efficiency and equipment utilization are improved, and the cost is reduced.

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Abstract

The utility model provides a large filter screen all-in-one machine with multiple dissolving modes and continuous fertilizer dissolving and applying, which comprises a fertilizer dissolving cavity and a large filter screen arranged in the fertilizer dissolving cavity, the large filter screen divides the fertilizer dissolving cavity into a filtering cabin and a fertilizer cabin, the side wall of the filtering cabin is provided with a water outlet for injecting fertilizer and circularly dissolving the fertilizer, and the water outlet is communicated with the fertilizer cabin. The side wall of the fertilizer bin is provided with an air heater and / or an air pump, and is also provided with a water adding pipeline and a fertilizer circulating dissolving water inlet pipeline; a gas stirring and heating pipeline and a water adding port located at one end of the water adding pipeline are horizontally laid at the bottom of the fertilizer bin; impurities in the fertilizer can be quickly and efficiently filtered through the large filter screen, and the flow guide pipeline is prevented from being blocked; through gas stirring, heating and fertilizer solution circulating dissolution, the dissolution speed can be increased by combining the application of multiple dissolution modes, and the dissolution uniformity is improved; meanwhile, dissolving and fertilizing can be integrated, continuous fertilizer dissolving and fertilizing can be achieved, the equipment utilization rate and the fertilizing efficiency are improved, and the cost is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of modern facility agriculture, and particularly relates to a large filter screen integrated machine with multiple dissolution methods and continuous fertilizer dissolution and fertilization. Background Technique

[0002] In modern facility agriculture technology, integrated water and fertilizer irrigation is the most basic content. In common drip irrigation and sprinkler irrigation, fertilizers need to be fully dissolved and impurities filtered out to prevent clogging of the irrigation system and enable crops to absorb and utilize them. Currently, the commonly used dissolution method is to install a reduction motor with a stirring rod on a fertilizer pool or fertilizer barrel, and the water body is stirred by the horizontal circular motion of the blades to dissolve the fertilizer. When fertilizing, a pipeline filter installed on the fertilizer outlet pipeline is used to filter out impurities to ensure that the irrigation system is not clogged.

[0003] Defects and deficiencies of the existing related technologies: 1. There are still many water-insoluble impurities in the dissolved fertilizer solution. The pipeline filter installed on the fertilizer outlet pipeline is very easy to clog due to its small filtering area, affecting the fertilization operation efficiency; 2. The dissolution stirring adopts the stirring rod method to drive the solution to move horizontally in a circular motion through the paddle to accelerate dissolution. In this way, the fertilizer solution with a high concentration is always at the lower layer of the water body, and the uniformity of the fertilizer solution is poor, and the concentration changes greatly during fertilization; 3. The common fertilizer container is cylindrical, with a relatively high overall height and a small feeding port at the top of the barrel. Therefore, a fertilization rack needs to be made, and the fertilizer needs to be transferred to the rack during fertilization, and people need to stand on the rack to add fertilizer; 4. The common fertilizer dissolution and fertilization are two separate systems, with a low degree of automation control. 5. The existing fertilizer dissolution adopts the stirring rod stirring method, with a single form and low dissolution efficiency. Content of the Utility Model

[0004] Aiming at the problems existing in the prior art, the utility model provides a large filter screen integrated machine with multiple dissolution methods and continuous fertilizer dissolution and fertilization, so as to solve at least one of the following technical problems existing in the existing related technologies: easy clogging, low dissolution efficiency, uneven fertilizer solution concentration, difficult fertilizer addition, and low degree of automation control.

[0005] The utility model is realized through the following technical solutions:

[0006] A large filter screen integrated machine with multiple dissolution methods and continuous fertilizer dissolution and fertilization includes a fertilizer dissolution chamber and a large filter screen arranged inside the fertilizer dissolution chamber. The large filter screen divides the fertilizer dissolution chamber into a filtered clean bin and a fertilizer bin. The side wall of the filtered clean bin is provided with a water outlet for fertilizer injection and fertilizer circulation dissolution, the side wall of the fertilizer bin is provided with a hot air blower and / or an air pump, and a water addition pipeline and a fertilizer circulation dissolution water inlet pipeline are also provided;

[0007] The bottom of the fertilizer bin is horizontally paved with an air stirring and heating pipeline and a water addition port at one end of the water addition pipeline.

[0008] Furthermore, the large filter screen is a stainless steel filter screen with a filtration accuracy of 80 - 120 meshes.

[0009] Furthermore, a hot air blower and / or an air pump are connected to the input side of the air agitation heating pipeline;

[0010] The air agitation heating pipeline includes a first annular pipeline and multiple connecting pipes. The multiple connecting pipes are arranged in sequence inside the first annular pipeline, and both ends of the multiple connecting pipes are connected to the side wall of the first annular pipeline;

[0011] The first annular pipeline and the multiple connecting pipes are arranged at the bottom of the fertilizer bin, and multiple air outlet holes are provided on one side of the pipe wall close to the bottom.

[0012] Furthermore, the air outlet holes incline towards the side wall of the fertilizer bin close to them, and the inclination angle is 40° - 50°.

[0013] Furthermore, the fertilizer circulating and dissolving water inlet pipeline includes a circulating pressure pump. The input side of the circulating pressure pump is connected to the water outlet of the filtering and purifying bin, and a circulating control valve, a circulating water inlet pipe, and a circulating water outlet are sequentially arranged on the output side.

[0014] Furthermore, the circulating water outlet is located at the top of the fertilizer bin on one side of the water adding pipe. The circulating water outlet is multiple and is used for injecting circulating water.

[0015] Furthermore, the water adding port is located at the bottom of the fertilizer bin close to the water adding pipeline. The water adding port is multiple and is used for injecting water for dissolving fertilizer into the fertilizer bin, and a water adding control valve is provided on the water adding pipeline.

[0016] Furthermore, a horizontal water outlet pipe penetrates through the water outlet, and a suction elbow pipe is arranged inside the filtering and purifying bin and communicated with the horizontal water outlet pipe. The water inlet of the suction elbow pipe is spaced from the bottom of the filtering and purifying bin.

[0017] Furthermore, a high liquid level induction switch penetrates through the top of the side wall of the fertilizer bin, and a slag discharge port and a sealing pipe arranged on the slag discharge port are provided at the bottom.

[0018] Furthermore, a low liquid level induction switch is arranged at the bottom of the filtering and purifying bin, and sensors for detecting EC, PH, and temperature of raw water and dissolved liquid penetrate through the side wall.

[0019] Compared with the prior art, the utility model has the following beneficial technical effects:

[0020] The utility model provides a large filter screen integrated machine with multiple dissolution methods and continuous fertilizer dissolution and fertilization, including a fertilizer dissolution chamber and a large filter screen arranged inside the fertilizer dissolution chamber. The large filter screen divides the fertilizer dissolution chamber into a filtered clean bin and a fertilizer bin. A water outlet for fertilizer injection and fertilizer circulation dissolution is arranged on the side wall of the filtered clean bin, and a hot air blower and / or an air pump are arranged on the side wall of the fertilizer bin. A water addition pipeline and a fertilizer circulation dissolution water inlet pipeline are also arranged. A gas stirring and heating pipeline and a water addition port located at one end of the water addition pipeline are horizontally laid at the bottom of the fertilizer bin. Through the large filter screen, impurities in the fertilizer can be filtered quickly and efficiently, preventing blockage of the diversion pipeline. Through gas stirring, heating, and fertilizer solution circulation dissolution, the application of multiple dissolution methods can be combined to improve the dissolution speed and the uniformity of dissolution. At the same time, the application can achieve integration of dissolution and application, continuous fertilizer dissolution and fertilization, improve the utilization rate of equipment and fertilization efficiency, and reduce costs.

[0021] Further, the air outlet holes of the present application are inclined towards the side wall of the adjacent fertilizer bin, and the inclination angle is 40° - 50°. The inclined air outlet holes can prevent precipitated fertilizer particles from accumulating at the side wall corner of the fertilizer bin, improving fertilizer utilization rate and stirring uniformity.

[0022] Further, the input side of the gas stirring and heating pipeline of the present application is connected to a hot air blower and / or an air pump. The high-pressure gas for stirring is heated by the hot air blower. The stainless-steel gas stirring pipeline can heat the liquid in the solution. The hot air ejected from the air outlet holes diffuses in the solution and can also heat the solution. When the temperature of the solution is increased, the dissolution speed is significantly accelerated. When the temperature of the water does not need to be heated, only the air pump can be used. The high-pressure air rushes into the water through the air outlet holes, triggering water body oscillation to achieve pneumatic stirring.

[0023] Further, the fertilizer circulation dissolution water inlet pipe of the present application includes a circulation pressure pump. The input side of the circulation pressure pump is connected to the water outlet of the filtered clean bin, and the output side is sequentially provided with a circulation control valve, a circulation water inlet pipe, and a circulation water outlet. Through the circulation water inlet pipeline, the fertilizer solution in the filtered clean bin can be diverted into the fertilizer bin for dissolution and filtration again, improving the dissolution speed of the fertilizer.

[0024] Further, due to the setting of the large filter screen in the present application, under the condition of a large fertilization amount and ensuring the control requirement of the total fertilization amount, fertilizers can be added, water can be added, and fertilizers can be injected simultaneously. As long as the balance between the water addition and the fertilizer injection water volume is ensured, continuous and uninterrupted fertilization can be achieved, greatly improving the fertilization efficiency.

[0025] Further, the circulation pressure pump of the present application is also a fertilizer injection pump. When the solution is evenly stirred in circulation, through a conversion valve, the fertilizer injection pump injects the fertilizer solution into the irrigation pipeline network. One pump is used for two purposes, integrating fertilizer dissolution and fertilization, saving costs and improving efficiency. Description of the Drawings

[0026] Figure 1 Shows a schematic structural diagram of a large filter screen integrated machine with multiple dissolution methods and continuous fertilizer dissolution and fertilization according to an embodiment of the present disclosure;

[0027] Figure 2 Shows a schematic position structure diagram of a gas stirring and heating pipeline according to an embodiment of the present disclosure;

[0028] Figure 3 Shows a schematic longitudinal sectional view of a fertilizer dissolution chamber according to an embodiment of the present disclosure;

[0029] Figure 4 Shows a schematic structure diagram of a circulating water pump, a fertilizer injection pump, and a water suction elbow according to an embodiment of the present disclosure

[0030] Figure 5 Shows a side view of the fertilizer dissolution chamber according to an embodiment of the present disclosure Figure 1 ;

[0031] Figure 6 Shows a side view of the fertilizer dissolution chamber according to an embodiment of the present disclosure Figure 2 ;

[0032] In the figure: 1. Circulating pressure pump; 2. Filter purification chamber; 3. Large filter screen; 4. Fertilizer bin; 5. Sealing pipe; 6. Fertilizer dissolution chamber; 7. Hot air blower; 30. Air pump; 8. Water addition control valve; 9. Water addition pipeline; 10. Slag discharge port; 11. Circulating water inlet pipe; 12. Outlet; 120. Horizontal outlet pipe; 13. Detection sensor; 14. Circulation control valve; 15. Fertilizer injection control valve; 16. Gas stirring and heating pipeline; 160. First annular pipeline; 161. Connecting pipe; 162. Air outlet hole; 17. Water suction elbow; 18. High liquid level induction switch; 19. Water addition port; 20. Circulating water outlet; 21. Low liquid level induction switch. Detailed implementation manners

[0033] The following further elaborates on the present utility model in detail with reference to the accompanying drawings, which is an explanation rather than a limitation of the present utility model.

[0034] In order to enable those skilled in the art to better understand the solution of the present utility model, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0035] It should be noted that in the description and claims of the present utility model and the above-mentioned drawings, the terms "first", "second", etc. are used to distinguish similar objects, and do not necessarily need to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present utility model described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "comprising" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, system, product or device comprising a series of steps or units does not necessarily have to be limited to those steps or units clearly listed, but may include other steps or units not clearly listed or inherent to these processes, products or devices.

[0036] Figure 1 Fig. shows a large filter integrated machine with multiple dissolution methods and continuous fertilizer dissolution and fertilization according to an embodiment of the present disclosure. As Figure 1 shown, it includes a fertilizer dissolution chamber 6 and a large filter 3 disposed inside the fertilizer dissolution chamber 6. The large filter 3 divides the fertilizer dissolution chamber 6 into a filtered and purified chamber 2 and a fertilizer chamber 4. The side wall of the filtered and purified chamber is provided with a water outlet 12 for injecting fertilizer and for circulating and dissolving the fertilizer. The side wall of the fertilizer chamber is provided with a hot air blower 7 and / or an air pump 30, a water addition pipeline 9 and a fertilizer circulation and dissolution water inlet pipeline 11.

[0037] The bottom of the fertilizer chamber is horizontally paved with an air stirring and heating pipeline 16 and a water addition port 19 located at one end of the water addition pipeline 9.

[0038] It should be noted that in the embodiment of the present disclosure,

[0039] Preferably, in the embodiment of the present disclosure, the fertilizer dissolution chamber 6 is a fertilizer dissolution container, which can be rectangular or cylindrical, and the height is 1 - 1.2 meters, which is convenient for the staff in the field to pour fertilizer raw materials.

[0040] Preferably, in the embodiment of the present disclosure, as Figure 1 shown, the large filter 3 is a stainless steel filter, and the filtration accuracy is 100 - 120 meshes; specifically, the large filter 3 is tangent to the fertilizer dissolution chamber 6, and can divide the interior of the fertilizer dissolution chamber 6 into two regions, and the solution inside it can only flow through the large filter 3.

[0041] Preferably, in the embodiments of the present disclosure, the gas stirring and heating pipeline 16 is arranged at the bottom of the fertilizer bin 4; the input side of the gas stirring and heating pipeline 16 is connected to a hot air blower 30 and / or an air pump 7; all pipelines are made of stainless steel, can withstand high temperatures and can dissipate heat; specifically, the high-pressure gas for stirring is heated by the hot air blower 30, and the stainless-steel gas stirring pipeline 16 can heat the liquid in the solution. The hot air ejected from the air outlet holes 162 diffuses in the solution and can also heat the solution. The temperature of the solution increases, and the dissolution rate is significantly accelerated. When the temperature of the water does not need to be heated, only the air pump 7 can be used. The high-pressure air rushes into the water through the air outlet holes 162, causing the water body to oscillate and realizing pneumatic stirring.

[0042] The gas stirring pipeline 16 includes a first annular pipeline 160 and a plurality of connecting pipes 161. The plurality of connecting pipes 161 are arranged in sequence inside the first annular pipeline 160, and both ends of the plurality of connecting pipes 161 are connected to the side wall of the first annular pipeline 160.

[0043] The first annular pipeline 160 and the plurality of connecting pipes 161 are close to the bottom of the fertilizer bin 4, and a plurality of air outlet holes 162 are arranged on the side close to the bottom.

[0044] Further, the air outlet holes 162 are inclined towards the side wall of the fertilizer bin 4 close to them, and the inclination angle is 40-50°, preferably 45°, so as to achieve the largest water body stirring range of gas explosion.

[0045] Specifically, in the embodiments of the present disclosure, the plurality of air outlet holes 162 form a continuous annular array distribution on the first annular pipeline 160 and the plurality of connecting pipes 161. The first annular pipeline 160 and the plurality of connecting pipes 161 can be a grid structure or a mesh structure, and those skilled in the art can set them according to the actual required disturbance density.

[0046] Preferably, in the embodiments of the present disclosure, the fertilizer circulating and dissolving water inlet pipeline includes a circulating pressure pump 1. The input side of the circulating pressure pump 1 is connected to the water outlet 12 of the filtration and purification bin 2, and the output side is sequentially provided with a circulating control valve 14, a circulating water inlet pipe 11 and a circulating water outlet 20; it should be noted that in the embodiments of the present disclosure, the circulating pressure pump 1 is also a fertilizer injection pump. When the solution is evenly stirred in circulation, through a conversion valve, the fertilizer injection pump injects the fertilizer solution into the irrigation pipe network.

[0047] Preferably, in the embodiments of the present disclosure, the circulating water outlet 20 is located at the top of the fertilizer bin 4 on one side of the water supply pipe 9. The circulating water outlet 20 is plural and is used for injecting circulating water. In some embodiments, the circulating water outlet 20 is arranged at the front end, the rear end and the middle of the circulating path; the water inlet 19 is located at the bottom of the fertilizer bin 4 close to one side of the water supply pipeline 9. The water inlet 19 is plural and is used for injecting water for dissolving fertilizers into the fertilizer bin 4. And a water adding control valve 8 is arranged on the water supply pipeline 9; in some embodiments, the water inlet 19 is arranged at the front end, the rear end and the middle of the circulating path to improve the water adding efficiency and the circulating efficiency.

[0048] Specifically, as Figure 5 shown, a horizontally oriented water outlet pipe 120 is disposed through the water outlet 12, and a suction elbow 17 disposed inside the filtration bin 2 and communicated with the horizontally oriented water outlet pipe 120. The water inlet of the suction elbow 17 is spaced from the bottom of the filtration bin 2. It should be noted that the suction elbow 17 can lower the available liquid level to a very low position, almost close to the bottom of the pool, ensuring the maximum utilization of the fertilizer solution and reducing the residual waste of the fertilizer solution.

[0049] Further, the fertilizer circulating and dissolving pipeline includes a circulating water inlet pipe 11 disposed on the side wall of the fertilizer bin 4. One end of the circulating water inlet pipe 11 is connected to the top of the side wall of the fertilizer bin 4, and the other end is connected to the outlet pipeline of the circulating pressure pump 1; and a circulating control valve 14 is arranged on the circulating water inlet pipe 11.

[0050] Specifically, in the embodiments of the present disclosure, the circulating pressure pump 1 is connected to the circulating water inlet pipeline. During the process of fertilizer dissolution, the circulating pressure pump 1 can, through valve control, convey the dissolved liquid in the filtration bin 2 back into the circulating water inlet pipe 11 and then into the fertilizer bin 4 again, so that the fertilizer is fully dissolved in water. When the fertilizer is fully dissolved, the circulating control valve 14 is closed and the fertilizer injection control valve 15 is opened to inject the uniformly mixed solution into the irrigation system.

[0051] A sensor 13 for detecting the EC, PH and temperature of the raw water and the dissolved liquid is disposed through the side wall of the filtration bin 2, which can realize the accurate monitoring of the raw water and the dissolved liquid.

[0052] Preferably, in the embodiments of the present disclosure, a high liquid level induction switch 18 is disposed through the top of the side wall of the filtration bin 2, and a low liquid level induction switch 21 and a slag discharge port 10 are arranged at the bottom of the fertilizer bin 7.

[0053] Specifically, the high liquid level induction switch 18 is used to control the water level entering the fertilizer dissolution chamber 6 to prevent the dissolution liquid from overflowing; the low liquid level induction switch 21 is used to detect the remaining amount of the dissolution liquid inside the fertilizer dissolution chamber 6, and the slag discharge port 10 is used to discharge the large particle slag filtered by the large filter screen 3. Those skilled in the art can set a sealing pipe 5 at the slag discharge port 10. The sealing pipe 5 is used to block the slag discharge port 10. The end of the sealing pipe 5 is provided with a structure adapted to the slag discharge port 10, and the sealing pipe 5 is provided with a hand-held part to facilitate those skilled in the art to take it.

[0054] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A large filter integrated machine with multiple dissolution methods and continuous fertilizer dissolution and fertilization, characterized in that It includes a fertilizer dissolving chamber (6), and a large filter screen (3) disposed inside the fertilizer dissolving chamber (6). The large filter screen (3) divides the fertilizer dissolving chamber (6) into a filtered and purified bin (2) and a fertilizer bin (4). A water outlet for fertilizer injection and fertilizer circulation and dissolution is provided on the side wall of the filtered and purified bin (2). A hot air blower (7) and / or an air pump (30) are provided on the side wall of the fertilizer bin (4), and a water adding pipeline (9) and a fertilizer circulation and dissolution water inlet pipeline are also provided; At the bottom of the fertilizer bin (4), an air stirring and heating pipeline (16) is horizontally laid, and a water adding port (19) at one end of the water adding pipeline (9).

2. The large filter integrated machine with multiple dissolution methods and continuous fertilizer dissolution and fertilization according to claim 1, characterized in that, The large filter screen (3) is a stainless steel filter screen with a filtration accuracy of 80 - 120 meshes.

3. The large filter integrated machine with multiple dissolution methods and continuous fertilizer dissolution and fertilization according to claim 1, characterized in that, The input side of the air stirring and heating pipeline (16) is connected to a hot air blower (7) and / or an air pump (30); The air stirring and heating pipeline (16) includes a first annular pipeline (160) and multiple connecting pipes (161). The multiple connecting pipes (161) are arranged in sequence inside the first annular pipeline (160), and both ends of the multiple connecting pipes (161) are connected to the side wall of the first annular pipeline (160); The first annular pipeline (160) and the multiple connecting pipes (161) are arranged at the bottom of the fertilizer bin (4), and multiple air outlet holes (162) are provided on the side of the pipe wall close to the bottom; 4. The large filter integrated machine with multiple dissolution methods and continuous fertilizer dissolution and fertilization according to claim 3, characterized in that, The air outlet holes (162) are inclined towards the side wall of the fertilizer bin (4) close to them, and the inclination angle is 40° - 50°; 5. The large filter integrated machine with multiple dissolution methods and continuous fertilizer dissolution and fertilization according to claim 1, characterized in that, The fertilizer circulation and dissolution water inlet pipeline includes a circulation pressure pump (1). The input side of the circulation pressure pump (1) is connected to the water outlet (12) of the filtered and purified bin (2), and the output side is sequentially provided with a circulation control valve (14), a circulation water inlet pipe (11), and a circulation water outlet (20); 6. The large filter integrated machine with multiple dissolution methods and continuous fertilizer dissolution and fertilization according to claim 5, characterized in that, The circulation water outlet (20) is located at the top of the fertilizer bin (4) on one side of the water adding pipeline (9). The circulation water outlet (20) is multiple and is used for injecting circulating water; 7. The large filter integrated machine with multiple dissolution methods and continuous fertilizer dissolution and fertilization according to claim 1, characterized in that The water adding port (19) is located at the bottom of the fertilizer bin (4) on the side close to the water adding pipeline (9). The water adding port (19) is multiple and is used for injecting water for dissolving fertilizer into the fertilizer bin (4), and a water adding control valve (8) is provided on the water adding pipeline (9); 8. The large filter integrated machine with multiple dissolution methods and continuous fertilizer dissolution and fertilization according to claim 1, characterized in that A horizontally arranged water outlet pipe (120) penetrates through the water outlet (12), and a suction elbow (17) disposed inside the filtered and purified bin (2) and communicated with the horizontally arranged water outlet pipe (120). The water inlet of the suction elbow (17) is spaced from the bottom of the filtered and purified bin (2); 9. The large filter integrated machine with multiple dissolution methods and continuous fertilizer dissolution and fertilization according to claim 1, characterized in that, A high liquid level induction switch (18) penetrates through the top of the side wall of the fertilizer bin (4), and a slag discharge port (10) and a sealing pipe (5) provided on the slag discharge port are provided at the bottom; 10. The large filter integrated machine with multiple dissolution methods and continuous fertilizer dissolution and fertilization according to claim 1, characterized in that, A low liquid level induction switch (21) is provided at the bottom of the filtered and purified bin (2), and sensors (13) for detecting EC, PH, and temperature of raw water and dissolved liquid penetrate through the side wall;