A device for rapid pH adjustment of liquid fertilizer

Abstract

This utility model relates to a rapid pH adjustment device for liquid fertilizer, belonging to the technical field of liquid fertilizer pH adjustment. The rapid pH adjustment device includes: a housing, a discharge port located on the back of the housing, and discharge ports located on both sides of the bottom of the housing. The stirring mechanism includes a stirring chamber located inside the housing, with an acidic solution chamber and an alkaline solution chamber located on both sides of the stirring chamber. A stirring assembly is installed inside the stirring chamber. By setting multiple outlet pipes at different heights on the surface of the stirring rod, when the liquid fertilizer requires acid / alkali adjustment, the acid or alkaline solution is directly injected into the liquid fertilizer through the outlet pipes. Combined with the stirring pipes, this allows for simultaneous pH adjustment of liquid fertilizer at different heights, effectively avoiding the problem of localized concentration gradients caused by the concentration of acid or alkaline solution on the upper layer of the liquid fertilizer, and greatly reducing the probability of sudden pH changes on the surface of the liquid fertilizer.

Description

Technical Field

[0001] This utility model relates to the field of liquid fertilizer pH adjustment technology, and in particular to a device for rapid pH adjustment of liquid fertilizer. Background Technology

[0002] Liquid fertilizer is a fast-acting fertilizer formed by dissolving nutrients in water, characterized by rapid absorption and high utilization rate. To ensure nutrient stability and suitability for crop needs, the pH value of liquid fertilizer needs to be adjusted. This is typically achieved through real-time control using an online pH monitor to optimize fertilizer effectiveness.

[0003] As shown in the reference case "An Organic Fertilizer Processing Device with Adjustable pH Value" announcement number "CN222556843U", this utility model can detect the pH value of the mixture in the chamber in real time and adjust the pH value of the mixture when needed, thereby controlling the acidity and alkalinity of the final organic fertilizer produced.

[0004] Although the aforementioned application can monitor the pH value of the mixture inside the chamber in real time and adjust the acidity and alkalinity of the mixture by coordinating the acid and alkaline solutions inside the chamber, the device sprays the acid and alkaline solutions into the chamber from the inner top wall downwards. This spraying method is prone to causing local concentration gradient problems due to the surface tension of the mixture. Especially in liquid fertilizers containing humic acid or thickeners, spraying can easily cause sudden changes in surface pH. Utility Model Content

[0005] Therefore, it is necessary to provide a device for rapidly adjusting the pH value of liquid fertilizer to address the problem of sudden pH changes on the surface of liquid fertilizer caused by uneven spraying.

[0006] A device for rapidly adjusting the pH value of liquid fertilizer includes: a box, a discharge port located on the back of the box, and discharge ports located on both sides of the bottom of the box.

[0007] The stirring mechanism includes a stirring chamber disposed inside the housing, an acidic solution chamber and an alkaline solution chamber disposed on both sides of the stirring chamber, and a stirring assembly disposed inside the stirring chamber.

[0008] In one embodiment, the stirring assembly includes a stirring tube disposed in a stirring chamber, the top end of the stirring tube extending through the chamber, the bottom end of the stirring tube being rotatably connected to the inner wall of the top of the chamber, and a drive motor being installed on the inner bottom wall of the chamber, the drive end of the drive motor being fixedly connected to the bottom end of the stirring tube.

[0009] In one embodiment, a rotary joint is rotatably connected to the top end of the stirring tube. The rotary joint communicates with the interior of the stirring tube. Two through holes are opened at the top end of the rotary joint, and the two through holes communicate with the acidic solution chamber and the alkaline solution chamber, respectively.

[0010] In one embodiment, a plurality of liquid outlet pipes are evenly distributed on the surface of the stirring tube, and a plurality of liquid outlet holes are opened on the surface of the liquid outlet pipes. The liquid outlet pipes are connected to the interior of the stirring tube, and a stirring blade is rotatably connected to the end of the liquid outlet pipe away from the stirring tube.

[0011] In one embodiment, a baffle is fixedly connected to the inner wall of the stirring tube, the baffle is disposed above a plurality of stirring blades, and a plurality of liquid outlet pipes pass through the baffle from below and communicate with the stirring tube.

[0012] In one embodiment, pump bodies are installed on both sides of the top of the housing, and the pump bodies are located at the connecting pipes between the acid solution chamber and the rotary joint, and between the alkaline solution chamber and the rotary joint.

[0013] In one embodiment, a one-way valve is provided in the pipe between the liquid outlet pipe and the stirring pipe, and the one-way valve is located near the liquid outlet pipe.

[0014] In one embodiment, a viewing window is provided on the front of the enclosure, the viewing window is made of polycarbonate, and a monitor is provided on the inner top wall of the enclosure.

[0015] Beneficial effects

[0016] 1. By setting multiple outlet pipes at different heights on the surface of the stirring rod, when the liquid fertilizer needs acid-base adjustment, the acid and base solution will be directly injected into the interior of the liquid fertilizer through the outlet pipes. In conjunction with the stirring tube, the acid and base solution can adjust the pH of the liquid fertilizer at different heights at the same time. This effectively avoids the problem of local concentration gradient caused by the acid and base solution concentrating on the upper layer of the liquid fertilizer, and greatly reduces the probability of pH change on the surface of the liquid fertilizer.

[0017] 2. By rotating the stirring blades to the end of the outlet pipe, the stirring blades rotate on their own under the resistance of the liquid fertilizer while making circular motions along the stirring pipe. This fully mixes the acid and alkali solutions and liquid fertilizer near the outlet pipe, reducing the probability of acid and alkali solutions accumulating in a certain layer, improving the reaction efficiency between the solution and the liquid fertilizer, and reducing monitoring errors. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0019] Figure 1This is a schematic diagram of the overall front structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the overall structure of the back of this utility model;

[0021] Figure 3 This is a cross-sectional view of the housing of this utility model;

[0022] Figure 4 This is a cross-sectional view of the stirring assembly of this utility model.

[0023] Figure label:

[0024] 100. Housing; 110. Feed inlet; 120. Discharge outlet; 200. Viewing window; 300. Stirring mechanism; 310. Stirring chamber; 320. Acidic solution chamber; 321. Alkaline solution chamber; 323. Pump body; 330. Stirring assembly; 331. Rotary joint; 332. Baffle; 333. Discharge pipe; 334. Stirring blades; 335. Check valve; 336. Stirring tube; 340. Monitor; 350. Drive motor. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0026] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on the other component or there may be an intermediate component. When a component is considered to be "connected to" another component, it can be directly connected to the other component or there may be an intermediate component present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this specification are for illustrative purposes only and do not represent the only possible implementation.

[0027] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0028] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature and the second feature are in indirect contact through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0029] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as commonly understood by one of ordinary skill in the art to which this specification belongs. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used in this specification includes any and all combinations of one or more of the associated listed items.

[0030] The following is combined with Figures 1-4 This invention describes a device for rapidly adjusting the pH value of liquid fertilizer.

[0031] In one embodiment, a liquid fertilizer pH value rapid adjustment device includes: a box 100, a discharge port 110 disposed on the back of the box 100, and discharge ports 120 disposed on both sides of the bottom end of the box 100.

[0032] The stirring mechanism 300 includes a stirring chamber 310 disposed inside the housing 100, an acid solution chamber 320 and an alkaline solution chamber 321 disposed on both sides of the stirring chamber 310, and a stirring assembly 330 disposed inside the stirring chamber 310.

[0033] like Figure 1 , Figure 3 and Figure 4As shown, the stirring assembly 330 includes a stirring tube 336 disposed within the stirring chamber 310. The top end of the stirring tube 336 extends through the housing 100, and the bottom end of the stirring tube 336 is rotatably connected to the inner wall of the top of the housing 100. A drive motor 350 is installed on the inner bottom wall of the housing 100, and the drive end of the drive motor 350 is fixedly connected to the bottom end of the stirring tube 336. A rotary joint 331 is rotatably connected to the top end of the stirring tube 336, and the rotary joint 331 communicates with the interior of the stirring tube 336. Two through holes are formed at the top end of the rotary joint 331. The stirring tube 336 is connected to the acidic solution tank 320 and the alkaline solution tank 321 respectively. Multiple outlet tubes 333 are evenly distributed on the surface of the stirring tube 336. Multiple outlet holes are opened on the surface of the outlet tubes 333. The outlet tubes 333 are connected to the interior of the stirring tube 336. The end of the outlet tube 333 away from the stirring tube 336 is rotatably connected to the stirring blades 334. A partition 332 is fixedly connected to the inner wall of the stirring tube 336. The partition 332 is set above the multiple stirring blades 334. The multiple outlet tubes 333 pass through the partition 332 from below and are connected to the stirring tube 336.

[0034] In this embodiment, the pump body 323 is a centrifugal pump made of polyvinylidene fluoride (PVDF), which is resistant to strong acids, strong alkalis, and high-temperature corrosion. The stirring tube 336 and the outlet tube 333 are both made of chlorinated polyvinyl chloride (PVC). When the stirring tube 336 rotates, the rotary joint 331 rotates at its top and remains stationary relative to the housing 100. Therefore, the rotation of the stirring tube 336 does not affect the flow of the acid or alkali solution. The multiple stirring blades 334 are arranged in a stepped pattern along the circumference of the stirring tube 336, which can prevent damage caused by the center of gravity shifting during rotation. After entering the stirring tube 336, the acid or alkali solution first accumulates above the baffle 332, and then enters the multiple outlet tubes 333 through the connecting pipe, effectively preventing the stirring tube from being disturbed. The problem of excessively large differences in the amount of solution flowing out of the liquid outlet pipe 333 at different heights due to the internal liquid level difference of pipe 336; when using this device, the liquid fertilizer level needs to be kept below the connection between the discharge port 110 and the discharge bin to prevent backflow of the liquid fertilizer during the stirring process. At the same time, the monitor 340 needs to be inserted into the liquid surface of the liquid fertilizer, while the uppermost stirring blade 334 is located below the monitor 340 and will not come into contact with the monitor 340. In addition, the discharge port 110 also serves as a ventilation port. Gas may be generated during the pH adjustment process of the liquid fertilizer. The presence of the discharge port 110 can effectively prevent excessive pressure in the stirring bin 310. At the same time, a purification device can be installed near the discharge port 110 to purify any toxic gases that may be generated and reduce harm to the health of the workers.

[0035] like Figure 1 , Figure 2 and Figure 3As shown, pump bodies 323 are installed on both sides of the top of the box 100. The pump bodies 323 are located at the connecting pipes between the acid solution tank 320 and the rotary joint 331 and between the alkaline solution tank 321 and the rotary joint 331. A one-way valve 335 is installed on the pipe between the outlet pipe 333 and the stirring pipe 336. The one-way valve 335 is located near the outlet pipe 333. A viewing window 200 is provided on the front of the box 100. The viewing window 200 is made of polycarbonate. A monitor 340 is installed on the inner top wall of the box 100.

[0036] In this embodiment, the presence of the one-way valve 335 ensures that the solution inside the mixing tank can only flow from the mixing tube 336 to the outlet pipe 333. Because the pump body 323 continuously injects solution into the mixing tube 336, the pressure of the solution inside the mixing tube 336 will be greater than the pressure of the liquid fertilizer near the outlet hole of the outlet pipe 333. Therefore, after the pump body 323 is started, the liquid fertilizer in the mixing chamber 310 will not affect the liquid discharge process of the outlet pipe 333. When the pump body 323 is closed, the one-way valve 335 can effectively prevent the liquid fertilizer from flowing back into the outlet pipe. During the reaction process, the operator can observe the reaction of the liquid fertilizer in real time through the viewing window 200.

[0037] Working principle: Before use, acidic and alkaline solutions are added into the corresponding chambers through the corresponding addition ports. Then, liquid fertilizer is added into the mixing chamber 310 through the discharge port 110. The pH of the liquid fertilizer is monitored by the monitor 340. When the monitor 340 detects that the pH value of the liquid fertilizer is too high or too low, it will send an electrical signal to the control system. The control system will then start the corresponding pump 323 and drive motor 350.

[0038] The drive motor 350 rotates, causing the stirring tube 336 to rotate. Simultaneously, the stirring tube 336 rotates, causing the stirring blades 334 to rotate. The pump body 323 draws the solution from the corresponding solution chamber into the adapter. Through the adapter, the solution is injected into the upper part of the baffle 332 inside the stirring tube 336. Then, the solution enters the three outlet pipes 333 through the connecting pipe of the baffle 332 and flows out from the outlet hole of the outlet pipe 333, accumulating near the stirring blades 334. As the stirring tube 336 and the stirring blades 334 rotate, the solution is stirred and mixed with the liquid fertilizer until the monitor 340 detects that the pH of the liquid fertilizer has recovered. The pump body 323 will stop first, and the drive motor 350 will also stop after running for a period of time to allow the pH value of the liquid fertilizer to return to normal.

[0039] It should be noted that the one-way valve 335, viewing window 200, monitor 340, pump body 323 and drive motor 350 mentioned above are all devices with relatively mature existing technology. The specific model can be selected according to actual needs. At the same time, the monitor 340, pump body 323 and drive motor 350 can be powered by the built-in power supply or by the mains power. The specific power supply method is selected according to the situation and will not be elaborated here.

[0040] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0041] The above-described embodiments are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of this utility model. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the appended claims.

Claims

1. A device for rapidly adjusting the pH value of liquid fertilizer, characterized in that, include: Box body (100), discharge port (110) provided on the back of box body (100) and discharge port (120) provided on both sides of the bottom end of box body (100). A stirring mechanism (300) includes a stirring chamber (310) disposed inside a housing (100), an acidic solution chamber (320) and an alkaline solution chamber (321) respectively disposed on both sides of the stirring chamber (310), and a stirring assembly (330) disposed inside the stirring chamber (310); The stirring assembly (330) includes a stirring tube (336) disposed in the stirring chamber (310). The top end of the stirring tube (336) extends through the box body (100), and the bottom end of the stirring tube (336) is rotatably connected to the inner wall of the top end of the box body (100). A drive motor (350) is installed on the inner bottom wall of the box body (100), and the drive end of the drive motor (350) is fixedly connected to the bottom end of the stirring tube (336).

2. The liquid fertilizer pH rapid adjustment device according to claim 1, characterized in that, The top end of the stirring tube (336) is rotatably connected to a rotary joint (331), which is connected to the interior of the stirring tube (336). The top end of the rotary joint (331) has two through holes, which are connected to the acidic solution chamber (320) and the alkaline solution chamber (321) respectively.

3. The liquid fertilizer pH rapid adjustment device according to claim 1, characterized in that, The surface of the stirring tube (336) is evenly distributed with a plurality of liquid outlet tubes (333), and the surface of the liquid outlet tubes (333) is provided with a plurality of liquid outlet holes. The liquid outlet tubes (333) are connected to the interior of the stirring tube (336), and the end of the liquid outlet tube (333) away from the stirring tube (336) is rotatably connected to a stirring blade (334).

4. The liquid fertilizer pH rapid adjustment device according to claim 3, characterized in that, The inner wall of the stirring tube (336) is fixedly connected to a partition (332), which is located above a plurality of stirring blades (334). A plurality of liquid outlet pipes (333) pass through the partition (332) from below and communicate with the stirring tube (336).

5. The liquid fertilizer pH rapid adjustment device according to claim 1, characterized in that, Pump bodies (323) are installed on both sides of the top of the box (100). The pump bodies (323) are located at the connecting pipe between the acid solution tank (320) and the rotary joint (331) and the alkaline solution tank (321) and the rotary joint (331).

6. The liquid fertilizer pH rapid adjustment device according to claim 3, characterized in that, A one-way valve (335) is provided in the pipeline between the liquid outlet pipe (333) and the stirring pipe (336), and the one-way valve (335) is located near the liquid outlet pipe (333).

7. The liquid fertilizer pH rapid adjustment device according to claim 1, characterized in that, The front of the enclosure (100) is provided with a viewing window (200), the viewing window (200) is made of polycarbonate, and a monitor (340) is provided on the inner top wall of the enclosure (100).

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