Preparation device and method for preparing humic acid paste fertilizer using fine hay

Abstract

The invention relates to a preparation device and a preparation method for humic acid paste fertilizer using fine hay, and particularly to the technical field of drilling and coring equipment. A material preparation mechanism and a concentrated paste preparation mechanism are provided, a material preparation space is formed in the material preparation mechanism, and a humic acid fertilizer concentrated solution can be prepared in the material preparation space. A discharge port is formed at the bottom of the material preparation space, and the concentrated paste preparation mechanism is installed at the discharge port. The concentrated paste preparation mechanism includes a concentrated paste preparation component, a steam cooling reflux component, and an angle adjustment component. The material preparation mechanism and the concentrated paste preparation mechanism cooperate to prepare humic acid paste fertilizer by heating. After the humic acid fertilizer concentrated solution is prepared, there is no need to add a mixed material to the humic acid fertilizer concentrated solution, thereby improving production efficiency. The humic acid paste fertilizer can also be prepared in a relatively short time by evaporating and concentrating the humic acid fertilizer concentrated solution by heating, thereby ensuring the industrial production efficiency of the humic acid paste fertilizer.

Description

Technical Field

[0001] The present invention relates to the technical field of fertilizer preparation, in particular to a preparation device and a preparation method for preparing humic acid paste fertilizer by utilizing fine hay. Background Art

[0002] Paste fertilizer refers to a semi-solid fertilizer in a paste or gel form. Rich in organic matter and nutrients, it is particularly suitable for soil improvement and crop nutrition. In agriculture, paste fertilizer is primarily used to increase soil organic matter content, improve soil structure, enhance soil water retention, air permeability, and fertility, and promote plant growth and development.

[0003] Fine hay usually refers to the grass of the Poaceae family, which is a perennial tufted herb found in most areas. Fine hay is rich in calcium, phosphorus, potassium, magnesium, iron, zinc, copper, and organic matter, with a cellulose content of 20% to 30% of its dry weight. It is a renewable biological resource with multiple uses. In addition to some fine hay being used as feed and pharmaceuticals, a large amount of fine hay is landfilled or incinerated every year, causing resource waste and environmental pollution. Humic acid is widely used in agriculture, forestry, industry, animal husbandry, and other fields. Especially in agriculture and forestry, humic acid, as a component of organic fertilizer, has the functions of increasing fertilizer efficiency, stimulating crop growth, and improving the quality of agricultural products.

[0004] Normally, when preparing humic acid fertilizers industrially, it is usually necessary to determine the ratio and water content of the fertilizers when preparing humic acid paste fertilizers. In the fertilizer preparation stage, it is usually necessary to add more mixing water to facilitate sufficient stirring, and since the water content of the humic acid paste fertilizer itself is limited, it is often necessary to concentrate the humic acid fertilizer concentrated solution to form humic acid paste fertilizer. In order to concentrate and form humic acid paste fertilizer, fertilizer mixtures are usually added to the humic acid concentrated solution according to a set ratio for multiple times, and humic acid paste fertilizer is finally made. Although humic acid paste fertilizer can be made by continuously adding a mixture, in actual operation, the preparation of humic acid paste fertilizer by continuously adding a mixture has a long operation time, which affects the efficiency of industrial production. Summary of the Invention

[0005] The main purpose of the present invention is to propose a preparation device and a preparation method for preparing humic acid paste fertilizer using fine hay, aiming to solve the technical problem that although humic acid paste fertilizer can be prepared by continuously adding mixed materials in the related technology, in actual operation, the preparation of humic acid paste fertilizer by continuously adding mixed materials has a long operation time, which affects the efficiency of industrial production.

[0006] To achieve the above-mentioned purpose, the present invention proposes a device for preparing humic acid paste fertilizer using fine hay, comprising:

[0007] A material preparation mechanism, wherein a material preparation space is formed in the material preparation mechanism, and a concentrated solution of humic acid fertilizer can be prepared in the material preparation space, and a discharge port is formed at the bottom of the material preparation space; and

[0008] A concentrated paste-making mechanism, the concentrated paste-making mechanism is installed at the discharge port, and the concentrated paste-making mechanism includes a concentrated paste-making component, an air-cooled reflux component and an angle adjustment component, the concentrated paste-making component is connected to the discharge port, an evaporation flow channel arranged obliquely downward is formed in the concentrated paste-making component, a current detection sensor is installed in the evaporation flow channel, the current detection sensor is used to obtain the conductivity of the humic acid fertilizer concentrated solution, the evaporation flow channel is connected to the discharge port, the air-cooled reflux component is installed at the concentrated paste-making component, and an air-cooled flow channel is formed on the air-cooled reflux component, the air-cooled flow channel is connected to the evaporation flow channel, the angle adjustment component is installed at the end of the concentrated paste-making component away from the discharge port, and the angle adjustment component can drive the concentrated paste-making component to rise and fall to block or open the evaporation flow channel, the air-cooled flow channel can collect water vapor in the humic acid fertilizer concentrated solution evaporated through the evaporation flow channel, so that the humic acid fertilizer concentrated solution forms the humic acid paste fertilizer when it flows out of the evaporation flow channel.

[0009] In one embodiment, the concentrated paste making component comprises:

[0010] A material delivery pipe, the material delivery pipe includes a liquid storage section and an evaporation section connected in sequence, the liquid storage section is connected to the discharge port, the liquid storage section is U-shaped, the evaporation section is arranged to be inclined downward from the liquid storage section toward a direction away from the liquid storage section, the evaporation flow channel with a top opening is formed in the evaporation section, the angle adjustment component is installed at one end of the evaporation flow channel away from the liquid storage section, the angle adjustment component can drive the evaporation section to rise and fall, the evaporation section is formed at one end away from the liquid storage section with a discharge port, and the angle adjustment component can block the discharge port; and

[0011] A heating evaporation hood is provided above the evaporation flow channel, and the heating evaporation hood is sealed and connected to the evaporation section. An air outlet is formed on the top of the heating evaporation hood. The heating evaporation hood can evaporate the water in the humic acid fertilizer concentrated solution flowing through the evaporation flow channel when the angle adjustment component blocks the discharge port, so that the humic acid fertilizer concentrated solution is converted into the humic acid paste fertilizer.

[0012] In one embodiment, the current detection sensor is installed in both the liquid storage section and the evaporation section, and the current detection sensor can detect the conductivity of the humic acid fertilizer concentrated solution in the corresponding liquid storage section and the evaporation section.

[0013] In one embodiment, the angle adjustment component includes:

[0014] a first regulating assembly, the first regulating assembly being installed at the bottom of the evaporation section and capable of driving the evaporation section to rise and fall; and

[0015] The second regulating component is installed at the discharge port, and the second regulating component can be switched between an evaporation concentration state blocking the discharge port and a discharge state opening the discharge port.

[0016] In one embodiment, the second adjustment component includes:

[0017] A guide bracket, the guide bracket being mounted on the discharge port, and having a guide groove formed thereon that is consistent with the extension direction of the evaporation section;

[0018] a flexible barrier, the flexible barrier being mounted on the discharge port, the flexible barrier being sealed to the discharge port, the flexible barrier being able to slide along the guide groove, and the top of the flexible barrier being able to form a discharge groove; and

[0019] The first telescopic member is installed at the bottom of the flexible barrier, and the first telescopic member can drive the flexible barrier to slide along the guide groove, so that the flexible barrier can be switched between an evaporation and concentration state of blocking the discharge port and a discharge state of opening the discharge port.

[0020] In one embodiment, the guide bracket includes two guide rods, which are respectively arranged on both sides of the discharge port. A guide groove is provided on each of the two guide rods, and the two guide grooves are arranged opposite to each other. Both sides of the flexible blocking member are slidably matched with the two guide grooves.

[0021] In one embodiment, the first adjustment component includes:

[0022] a connecting seat, the connecting seat being mounted on the outer periphery of the evaporation section and being located at the bottom of the evaporation section; and

[0023] The second telescopic member is connected to the connecting seat and is located below the connecting seat. The second telescopic member can drive the evaporation section to rise or fall.

[0024] In one embodiment, the steam cooling reflux component includes:

[0025] an air duct, the air duct being in sealed communication with the air outlet, the air duct extending upward, and the outer periphery of the air duct being covered with a condenser;

[0026] A condenser, the condenser is in sealed communication with the air guide pipe, the condenser comprises an anti-flow section and a cooling section which are sequentially connected, the outer periphery of the cooling section is covered with an evaporator, and the evaporator is in communication with the condenser through a pipeline; and

[0027] A support column is installed below the condenser tube.

[0028] Based on the same technical concept, in a second aspect, the present invention further proposes a method for preparing humic acid paste fertilizer using fine hay, using the preparation device for preparing humic acid paste fertilizer using fine hay described in the first aspect, the preparation method comprising the following steps:

[0029] preparing the fine hay into fine hay powder that meets preset conditions;

[0030] preparing the fine hay powder to form humic acid;

[0031] The humic acid, auxiliary materials and stirring water are formed into a mixture and injected into the material preparation space;

[0032] Using the material preparation mechanism to stir the mixed material placed in the material preparation space for a preset time to form the humic acid fertilizer concentrated solution;

[0033] The concentrated paste-making mechanism is used to perform evaporation and concentration operations on the humic acid fertilizer concentrated solution to prepare the humic acid paste fertilizer.

[0034] In one embodiment, the step of using the concentrated paste-making mechanism to perform evaporation and concentration on the humic acid fertilizer concentrated solution to prepare the humic acid fertilizer paste comprises:

[0035] Using the concentrated paste-making mechanism to collect the real-time conductivity of the humic acid fertilizer concentrated solution;

[0036] According to the real-time conductivity, the evaporation temperature required for preparing the humic acid fertilizer paste is obtained;

[0037] The humic acid fertilizer concentrated solution is evaporated and concentrated according to the evaporation temperature to prepare the humic acid fertilizer paste.

[0038] The technical solution of the present invention is to set up a material making mechanism and a concentrated paste making mechanism, a material making space is formed in the material making mechanism, and a concentrated solution of humic acid fertilizer can be made in the material making space, a discharge port is formed at the bottom of the material making space, the concentrated paste making mechanism is installed at the discharge port, and the concentrated paste making mechanism includes a concentrated paste making component, a steam-cooled reflux component and an angle adjustment component, the concentrated paste making component is connected with the discharge port, an evaporation flow channel arranged obliquely downward is formed in the concentrated paste making component, the evaporation flow channel is connected with the discharge port, the steam-cooled reflux component is installed on the concentrated paste making component, and a steam-cooled flow channel connected to the evaporation flow channel is formed on the steam-cooled reflux component, the angle adjustment component is installed at the end of the concentrated paste making component away from the discharge port, and the angle adjustment component can drive the concentrated paste making component to move The evaporation flow channel is blocked or opened to block the humic acid fertilizer concentrated solution in the concentrated paste-making component. The steam cooling flow channel can collect water vapor in the humic acid fertilizer concentrated solution evaporated through the evaporation flow channel, so that the humic acid fertilizer concentrated solution forms humic acid paste fertilizer when it flows out of the evaporation flow channel. When used, the present invention can utilize the cooperation of the set material preparation mechanism and the concentrated paste-making mechanism to prepare humic acid paste fertilizer by heating. After the humic acid fertilizer concentrated solution is prepared, there is no need to add a mixed material to the humic acid fertilizer concentrated solution, thereby improving production efficiency. The use of heating to evaporate and concentrate the humic acid fertilizer concentrated solution also enables the present invention to prepare humic acid paste fertilizer in a relatively short time, thereby ensuring the industrial production efficiency of humic acid paste fertilizer. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0040] Figure 1 A schematic structural diagram of a device for preparing humic acid paste fertilizer using fine hay provided by the present invention;

[0041] Figure 2 for Figure 1 Schematic diagram of the internal structure;

[0042] Figure 3 for Figure 2 A schematic structural diagram of the angle adjustment component of the example;

[0043] Figure 4 This is a flow chart of a method for preparing humic acid paste fertilizer using fine hay according to an example of the present invention;

[0044] Figure 5 for Figure 4Flowchart of step S500 in the example.

[0045] Description of Figure Numbers:

[0046] 100. Material making mechanism; 110. Material making space; 120. Material discharge port; 200. Concentrated paste making mechanism; 210. Concentrated paste making component; 220. Steam cooling reflux component; 230. Angle adjustment component; 240. Evaporation flow channel; 211. Material delivery pipe; 212. Liquid storage section; 213. Evaporation section; 214. Heating evaporation cover; 215. Air outlet; 216. Current detection sensor; 231. First adjustment component; 232. Second adjustment component; 2321. Guide bracket; 2322. Guide groove; 2323. Flexible blocking member; 2324. Discharge trough; 2325. First telescopic member; 2311. Connecting seat; 2312. Second telescopic member; 221. Air guide pipe; 222. Condenser; 223. Condensing pipe; 224. Evaporator; 225. Support column; 226. Anti-flow section; 227. Cooling section.

[0047] The purpose, features and advantages of the present invention will be further described with reference to the accompanying drawings and in conjunction with the embodiments. DETAILED DESCRIPTION

[0048] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0049] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0050] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of such features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0051] The invention provides a preparation device for preparing humic acid paste fertilizer by utilizing fine hay.

[0052] See also Figures 1 to 5 In one embodiment of the present invention, a preparation device for preparing humic acid paste fertilizer using fine hay includes a material preparation mechanism 100 and a concentrated paste preparation mechanism 200. A material preparation space 110 is formed in the material preparation mechanism 100, and a concentrated humic acid fertilizer solution can be prepared in the material preparation space 110. A discharge port 120 is formed at the bottom of the material preparation space 110. The concentrated paste preparation mechanism 200 is installed at the discharge port 120, and the concentrated paste preparation mechanism 200 includes a concentrated paste preparation component 210, a steam cooling reflux component 220 and an angle adjustment component 230. The concentrated paste preparation component 210 is connected to the discharge port 120. An evaporation flow channel 240 arranged obliquely downward is formed in the concentrated paste preparation component 210, and a current detection device is installed in the evaporation flow channel 240. Sensor 216, the current detection sensor 216 is used to obtain the conductivity of the humic acid fertilizer concentrated solution, the evaporation flow channel 240 is connected to the discharge port 120, the steam-cooled reflux component 220 is installed on the concentrated paste-making component 210, and a steam-cooled flow channel is formed on the steam-cooled reflux component 220, the steam-cooled flow channel is connected to the evaporation flow channel 240, the angle adjustment component 230 is installed at the end of the concentrated paste-making component 210 away from the discharge port 120, and the angle adjustment component 230 can drive the concentrated paste-making component 210 to rise and fall to block or open the evaporation flow channel, the steam-cooled flow channel can collect water vapor in the humic acid fertilizer concentrated solution evaporated through the evaporation flow channel 240, so that the humic acid fertilizer concentrated solution forms humic acid paste fertilizer when it flows out of the evaporation flow channel 240.

[0053] Specifically, in the preparation device of the present application, the preparation space 110 in the preparation mechanism 100 is used to prepare a concentrated solution of humic acid fertilizer. The prepared concentrated solution of humic acid fertilizer flows into the concentrated paste-making mechanism 200 through the discharge port 120 at the bottom of the preparation space 110. The concentrated paste-making component 210 in the concentrated paste-making mechanism 200 is connected to the discharge port 120, and the concentrated solution of humic acid fertilizer enters the evaporation channel 240 formed in the concentrated paste-making component 210. The evaporation channel 240 is arranged to be inclined downward, so that the concentrated solution of humic acid fertilizer can flow along the evaporation channel 240 under the action of gravity. At the same time, during the flow process, the water in the concentrated solution of humic acid fertilizer will gradually evaporate.

[0054] The steam-cooled reflux component 220 is mounted on the concentrated paste-making component 210. The steam-cooled flow channel formed on the steam-cooled reflux component 220 is connected to the evaporation flow channel 240, capable of collecting water vapor evaporated from the evaporation flow channel 240. When the humic acid fertilizer concentrated solution flows in the evaporation flow channel 240, the water therein evaporates to form water vapor, which is collected by the steam-cooled flow channel, thereby gradually reducing the water content in the humic acid fertilizer concentrated solution and gradually increasing the concentration. Ultimately, when the humic acid fertilizer concentrated solution flows out of the evaporation flow channel 240, due to the large amount of water evaporation, the concentrated solution has been concentrated into humic acid paste fertilizer.

[0055] The angle adjustment component 230 is installed at the end of the concentrated paste-making component 210 away from the discharge port 120, and can drive the concentrated paste-making component 210 to rise and fall, thereby adjusting the inclination angle of the evaporation channel 240. By adjusting the inclination angle of the evaporation channel 240, the flow rate of the humic acid fertilizer concentrated solution in the evaporation channel 240 can be controlled, thereby controlling the degree of water evaporation and the concentration of the humic acid paste fertilizer. When it is necessary to prepare a humic acid paste fertilizer with a higher concentration, the inclination angle of the evaporation channel 240 can be reduced, so that the humic acid fertilizer concentrated solution stays in the evaporation channel 240 for a longer time and the water evaporates more fully; when it is necessary to prepare a humic acid paste fertilizer with a lower concentration, the inclination angle of the evaporation channel 240 can be increased, so that the humic acid fertilizer concentrated solution flows faster in the evaporation channel 240 and the degree of water evaporation is relatively low.

[0056] It can be further clarified that in this embodiment, the exemplary material preparation mechanism 100 includes a tank body and an agitator. The top of the tank body is formed with a feeding port and an installation port distributed at intervals, and a discharge port 120 is formed at the bottom. A material preparation space 110 is formed inside the tank body. The stirring shaft of the agitator can rotatably pass through the installation port and extend into the material preparation space 110, and the part of the agitator located in the material preparation space 110 forms a stirring blade, which is used to stir the mixture in the material preparation space 110 to form a humic acid fertilizer concentrated solution. After the humic acid fertilizer concentrated solution is prepared, the humic acid fertilizer concentrated solution is fermented to finally form a humic acid fertilizer concentrated solution that meets the use requirements. Generally, when the humic acid fertilizer concentrated solution is fermented, it is fermented for at least 24 hours. At the same time, during the fermentation process, the material preparation space 110 in the tank body needs to be kept warm. More specifically, the temperature of the insulation operation can be maintained between 120°C and 150°C. Furthermore, it is necessary to install a drive motor on the portion of the agitator exposed from the tank body, and the drive motor is used to drive the agitator to perform automatic stirring operations.

[0057] In this embodiment, a material making mechanism 100 and a concentrated paste making mechanism 200 are set up, a material making space 110 is formed in the material making mechanism 100, and a concentrated humic acid fertilizer solution can be made in the material making space 110, a discharge port 120 is formed at the bottom of the material making space 110, the concentrated paste making mechanism 200 is installed at the discharge port 120, and the concentrated paste making mechanism 200 includes a concentrated paste making component 210, a steam-cooled reflux component 220 and an angle adjustment component 230, the concentrated paste making component 210 is connected to the discharge port 120, an evaporation flow channel 240 arranged obliquely downward is formed in the concentrated paste making component 210, the evaporation flow channel 240 is connected to the discharge port 120, the steam-cooled reflux component 220 is installed on the concentrated paste making component 210, and a steam-cooled flow channel connected to the evaporation flow channel 240 is formed on the steam-cooled reflux component 220, and the angle adjustment component 230 is installed at the concentrated paste making component 210 away from the discharge port One end of the material inlet 120, and the angle adjustment component 230 can drive the concentrated paste making component 210 to move to block or open the evaporation flow channel 240, so as to block the humic acid fertilizer concentrated solution in the concentrated paste making component 210, and the steam cooling flow channel can collect the water vapor in the humic acid fertilizer concentrated solution evaporated through the evaporation flow channel 240, so that the humic acid fertilizer concentrated solution forms humic acid paste fertilizer when it flows out of the evaporation flow channel 240, so that the present invention can utilize the cooperation of the set material making mechanism 100 and the concentrated paste making mechanism 200 when in use, and adopt a heating method to prepare humic acid paste fertilizer. After the humic acid fertilizer concentrated solution is prepared, there is no need to add a mixed material to the humic acid fertilizer concentrated solution, thereby improving production efficiency. The use of heating to evaporate and concentrate the humic acid fertilizer concentrated solution also enables the present invention to prepare humic acid paste fertilizer in a shorter time, thereby ensuring the industrial production efficiency of humic acid paste fertilizer.

[0058] In one embodiment, the concentrated paste making component 210 includes a feed pipe 211 and a heating evaporation cover 214. The feed pipe 211 includes a liquid storage section 212 and an evaporation section 213 that are connected in sequence. The liquid storage section 212 is connected to the discharge port 120. The liquid storage section 212 is U-shaped. The evaporation section 213 is inclined downward from the liquid storage section 212 toward the direction away from the liquid storage section 212. An evaporation flow channel 240 with a top opening is formed in the evaporation section 213. The angle adjustment component 230 is installed at one end of the evaporation flow channel 240 away from the liquid storage section 212. The angle adjustment component 230 can drive the evaporation section 213 rises and falls, and a discharge port is formed at one end of the evaporation section 213 away from the liquid storage section 212, and the angle adjustment component 230 can block the discharge port. The heating evaporation hood 214 is arranged above the evaporation flow channel 240, and the heating evaporation hood 214 is sealed and connected with the evaporation section 213. An air outlet 215 is formed on the top of the heating evaporation hood 214. When the angle adjustment component 230 blocks the discharge port 120, the humic acid concentrated solution flows through the evaporation flow channel 240. At this time, the heating evaporation hood 214 can extract the water in the humic acid fertilizer concentrated solution to make the humic acid fertilizer concentrated solution become humic acid paste fertilizer.

[0059] Specifically, the concentrated humic acid fertilizer solution prepared in the preparation mechanism 100 enters the liquid storage section 212 through the discharge port 120. Due to its U-shaped shape, the liquid storage section 212 can store a certain amount of the concentrated humic acid fertilizer solution, acting as a buffer and preventing the concentrated humic acid fertilizer solution from flowing directly and rapidly into the evaporation section 213. Under the action of gravity, the concentrated humic acid fertilizer solution in the liquid storage section 212 slowly flows into the evaporation section 213. The evaporation section 213 is arranged at an angle downward, allowing the concentrated humic acid fertilizer solution to flow steadily along the evaporation channel 240 under the action of gravity.

[0060] The evaporation channel 240 formed within the evaporation section 213 is open at the top. A heating evaporation hood 214 is positioned above the evaporation channel 240 and is in sealed communication with the evaporation section 213, forming a closed evaporation space. As the concentrated humic acid fertilizer solution flows through the evaporation channel 240, the heating evaporation hood 214 heats it, prompting water vapor to evaporate. The evaporated water vapor is discharged through the vent 215 at the top of the heating evaporation hood 214 and then enters the steam cooling channel connected to the evaporation channel 240 for collection.

[0061] Angle adjustment component 230 is mounted on the end of evaporation section 213 away from liquid storage section 212 and can drive evaporation section 213 to rise and fall, thereby adjusting the inclination angle of evaporation channel 240. By adjusting the inclination angle of evaporation channel 240, the flow rate and residence time of the concentrated humic acid fertilizer solution in evaporation channel 240 can be controlled, thereby controlling the degree of water evaporation. At the same time, angle adjustment component 230 can also block the discharge port. When it is necessary to extend the residence time of the concentrated humic acid fertilizer solution in evaporation channel 240, the angle adjustment component 230 can temporarily block the discharge port, allowing the concentrated humic acid fertilizer solution to be more fully heated and evaporated in evaporation channel 240.

[0062] It should be specifically and clearly stated that, in this embodiment, the heating evaporation hood 214 is preferably made of a material with heat-insulating properties. In actual use, the heating evaporation hood 214 includes a hood body made of a high-temperature-resistant material (such as steel, aluminum, or a high-temperature-resistant organic polymer). An insulation layer is provided on the outer surface of the hood body. A heater, preferably an electric heater, is also provided inside the hood body. Furthermore, during use, the top of the hood body should be oriented in an angled manner aligned with the extension direction of the evaporation section 213. This arrangement allows the present invention to utilize the inclined channels provided on the top of the hood body to direct evaporated steam into the air outlet 215.

[0063] In this embodiment, the buffer storage and stable flow of the concentrated solution of humic acid fertilizer are achieved through the combination of the liquid storage section 212 and the evaporation section 213. The sealed connection between the heating evaporation hood 214 and the evaporation section 213 forms a closed evaporation space, which improves the efficiency of water evaporation. The angle adjustment component 230 can not only adjust the inclination angle of the evaporation flow channel 240, but also block the discharge port, flexibly control the flow and residence time of the concentrated solution of humic acid fertilizer, and ensure that it can fully evaporate into humic acid paste fertilizer of the required concentration. This structural combination significantly improves the preparation efficiency of humic acid paste fertilizer and solves the problem of time-consuming traditional preparation methods.

[0064] In one embodiment, the angle adjustment component 230 includes a first adjustment component 231 and a second adjustment component 232. The first adjustment component 231 is installed at the bottom of the evaporation section 213, and the first adjustment component 231 can drive the evaporation section 213 to rise and fall. The second adjustment component 232 is installed at the discharge port, and the second adjustment component 232 can switch between an evaporation concentration state that blocks the discharge port and a discharge state that opens the discharge port.

[0065] Specifically, the first adjustment component 231 is installed at the bottom of the evaporation section 213 and can drive the evaporation section 213 to rise and fall, thereby adjusting the inclination angle of the evaporation channel 240. When it is necessary to speed up the flow rate of the humic acid fertilizer concentrated solution in the evaporation channel 240, the height of the evaporation section 213 can be lowered through the first adjustment component 231, thereby increasing the inclination angle of the evaporation channel 240. When it is necessary to slow down the flow rate of the humic acid fertilizer concentrated solution in the evaporation channel 240 and extend its residence time to fully evaporate the water, the height of the evaporation section 213 can be raised through the first adjustment component 231, thereby reducing the inclination angle of the evaporation channel 240. Ultimately, the flow rate and residence time of the humic acid fertilizer concentrated solution in the evaporation channel 240 can be flexibly adjusted according to actual needs, thereby controlling the concentration of the final humic acid fertilizer paste.

[0066] The second regulating assembly 232 is mounted at the discharge port and is capable of switching between an evaporation-concentration state, in which the discharge port is blocked, and a discharge state, in which the discharge port is opened. When the second regulating assembly 232 is in the evaporation-concentration state, the discharge port is blocked, and the concentrated humic acid fertilizer solution cannot flow out of the discharge port. Instead, it is confined within the evaporation channel 240 and continues to be heated and evaporated, causing the water to evaporate and the concentration to increase. When the second regulating assembly 232 is switched to the discharge state, the discharge port is opened, and the solution, which has been concentrated into humic acid paste fertilizer, can flow out of the discharge port, completing the preparation process.

[0067] By cooperating with the first regulating component 231 and the second regulating component 232, the first regulating component 231 controls the flow rate of the concentrated solution of humic acid fertilizer by adjusting the inclination angle of the evaporation flow channel 240, and the second regulating component 232 determines the residence time of the concentrated solution of humic acid fertilizer by controlling the switch state of the discharge port. Ultimately, the operator can flexibly adjust the preparation process of humic acid paste fertilizer according to different needs and conditions, which can not only speed up the preparation speed but also ensure the preparation quality, effectively solving the technical problems of the traditional preparation method with long operation time and affecting the efficiency of industrial production.

[0068] In one embodiment, the second adjustment component 232 includes a guide bracket 2321, a flexible barrier 2323 and a first telescopic member 2325. The guide bracket 2321 is installed at the discharge port. A guide groove 2322 is formed on the guide bracket 2321 in the same extension direction as the evaporation section 213. The flexible barrier 2323 is installed at the discharge port. The flexible barrier 2323 is sealed with the discharge port. The flexible barrier 2323 can slide along the guide groove 2322, and the top of the flexible barrier 2323 can form a discharge groove 2324. The first telescopic member 2325 is installed at the bottom of the flexible barrier 2323, and the first telescopic member 2325 can drive the flexible barrier 2323 to slide along the guide groove 2322, so that the flexible barrier 2323 can switch between the evaporation concentration state of blocking the discharge port and the discharge state of opening the discharge port.

[0069] Specifically, the flexible barrier 2323 is installed at the discharge port and forms a sealed connection with the discharge port to ensure that the humic acid fertilizer concentrated solution will not leak in the evaporation and concentration state. The flexible barrier 2323 can slide along the guide groove 2322, and a discharge groove 2324 can be formed on its top. When the flexible barrier 2323 is in the evaporation and concentration state, it completely blocks the discharge port, so that the humic acid fertilizer concentrated solution is confined in the evaporation flow channel 240 and continues to be heated and evaporated; when the flexible barrier 2323 slides to the discharge state, the discharge groove 2324 on its top aligns with the discharge port, forming a channel for the humic acid fertilizer paste to flow out.

[0070] The first telescopic member 2325 is mounted on the bottom of the flexible barrier 2323 and, through its telescopic motion, drives the flexible barrier 2323 to slide along the guide groove 2322. When the first telescopic member 2325 contracts, it pulls the flexible barrier 2323 downward, completely blocking the discharge port, entering the evaporation and concentration state. When the first telescopic member 2325 extends, it pushes the flexible barrier 2323 upward, aligning the discharge slot 2324 at its top with the discharge port, entering the discharge state.

[0071] It should be particularly and clearly stated that, in this embodiment, the exemplified flexible barrier 2323 can be made of, but is not limited to, materials such as fluoroplastics, polyaryletherketone, high-temperature nylon, and polyphenylene sulfide.

[0072] In one embodiment, the guide bracket 2321 includes two guide rods, which are respectively arranged on both sides of the discharge port. A guide groove 2322 is provided on each guide rod. The two guide grooves 2322 are arranged opposite to each other, and both sides of the flexible blocking member 2323 are slidably matched with the two guide grooves 2322.

[0073] Specifically, a guide bracket 2321 is mounted at the discharge port and is formed with a guide groove 2322 aligned with the direction of extension of the evaporation section 213, providing guidance for the sliding movement of the flexible barrier 2323. In this embodiment, the guide bracket 2321 utilizes a dual guide rod structure, with two guide rods mounted on the left and right sides of the discharge port. Each guide rod is provided with a guide groove 2322, and the two guide grooves 2322 are arranged opposite each other to form a symmetrical guide structure. The left and right sides of the flexible barrier 2323 slide in conjunction with the two guide grooves 2322, guiding them to slide up and down.

[0074] The double guide rod structure has multiple advantages: first, the two guide rods are arranged on both sides of the discharge port to form a stable support structure, which enhances the structural strength of the entire second adjustment component 232; second, the two oppositely arranged guide grooves 2322 provide two-way guidance for the flexible blocking member 2323, so that it maintains good balance during the sliding process and avoids deflection or jamming; third, the sliding cooperation between the two sides of the flexible blocking member 2323 and the guide grooves 2322 ensures the smoothness and accuracy of its movement, which helps to achieve reliable switching of the discharge port switch state.

[0075] When the first telescopic member 2325 drives the flexible barrier 2323 to slide, both sides of the flexible barrier 2323 slide synchronously within the two guide grooves 2322. When entering the evaporation and concentration mode, the flexible barrier 2323 slides smoothly downward, guided by the two guide grooves 2322, until it completely blocks the discharge port. When switching to the discharge mode, the flexible barrier 2323 slides smoothly upward, guided by the two guide grooves 2322, until the discharge slot 2324 at its top aligns with the discharge port. Throughout this process, the dual guide rod structure ensures that the flexible barrier 2323 remains horizontal, preventing problems such as poor sealing or poor discharge caused by misalignment.

[0076] In one embodiment, the first adjustment component 231 includes a connecting seat 2311 and a second telescopic member 2312. The connecting seat 2311 is installed on the periphery of the evaporation section 213, and the connecting seat 2311 is located at the bottom of the evaporation section 213. The second telescopic member 2312 is connected to the connecting seat 2311, and the second telescopic member 2312 is located below the connecting seat 2311. The second telescopic member 2312 can drive the evaporation section 213 to rise or fall.

[0077] Specifically, the first adjustment assembly 231 is mounted at the bottom of the evaporation section 213 and is capable of driving the evaporation section 213 up and down, thereby adjusting the inclination angle of the evaporation flow channel 240. In this embodiment, the first adjustment assembly 231 utilizes a combination of a connecting seat 2311 and a second telescopic member 2312 to achieve precise control of the elevation of the evaporation section 213.

[0078] The connecting base 2311 is mounted on the periphery of the evaporating section 213 and located at the bottom of the evaporating section 213, supporting and securing the evaporating section 213. The connecting base 2311 surrounds the periphery of the evaporating section 213, forming a stable support structure that ensures the evaporating section 213 remains stable during the lifting process. The positioning of the connecting base 2311 at the bottom of the evaporating section 213 allows the evaporating section 213 to adjust its tilt angle using the connecting base 2311 as a fulcrum. When the second telescopic member 2312 drives the connecting base 2311 up or down, the tilt angle of the evaporating section 213 changes accordingly.

[0079] The second telescopic member 2312 is connected to the connecting seat 2311 and is located below the connecting seat 2311. Its telescopic motion directly drives the connecting seat 2311 upward or downward, thereby driving the entire evaporation section 213 upward or downward. When the second telescopic member 2312 extends, it pushes the connecting seat 2311 and evaporation section 213 upward, reducing the inclination angle of the evaporation channel 240, slowing the flow rate of the concentrated humic acid fertilizer solution in the evaporation channel 240 and extending its residence time. When the second telescopic member 2312 contracts, the connecting seat 2311 and evaporation section 213 descend, increasing the inclination angle of the evaporation channel 240, accelerating the flow rate of the concentrated humic acid fertilizer solution in the evaporation channel 240 and shortening its residence time.

[0080] More specifically, the connecting base 2311 can be an annular structure with an inner diameter slightly larger than the outer diameter of the evaporation section 213. It is securely connected to the evaporation section 213 via fasteners such as bolts or clamps. The connecting base 2311 can be made of a corrosion-resistant metal such as stainless steel to resist potential corrosion from concentrated humic acid fertilizer solutions. The second telescopic member 2312 can be a hydraulic cylinder or electric push rod, capable of providing sufficient lifting force and enabling precise height control. The bottom of the second telescopic member 2312 can be fixed to a support base to ensure the stability of the entire lifting system.

[0081] In one embodiment, the steam-cooled reflux component 220 includes an air guide pipe 221, a condenser pipe 223 and a support column 225. The air guide pipe 221 is sealed and connected to the air outlet 215. The air guide pipe 221 extends upward, and the outer periphery of the air guide pipe 221 is covered with a condenser 222. The condenser pipe 223 is sealed and connected to the air guide pipe 221. The condenser pipe 223 includes an anti-flow diversion section 226 and a cooling section 227 connected in sequence. The outer periphery of the cooling section 227 is covered with an evaporator 224. The evaporator 224 is connected to the condenser 222 through a pipeline. The support column 225 is installed below the condenser pipe 223.

[0082] Specifically, during the humic acid fertilizer paste preparation process, evaporation hood 214 heats evaporation channel 240, evaporating water from the concentrated humic acid fertilizer solution. In this embodiment, the steam-cooled reflux component 220, through the combined structure of air guide duct 221, condenser 223, and support column 225, achieves water vapor collection and condensation recovery.

[0083] Air duct 221 is sealed and connected to air outlet 215 and extends upward, providing a channel for water vapor to be transported upward. A condenser 222 is provided around the outer periphery of air duct 221 to initially cool the rising water vapor. As the water vapor rises, it comes into contact with the cooling surface of condenser 222, where some of the water vapor condenses into water droplets.

[0084] The condenser 223 is sealed and connected to the air duct 221, and is used to receive and further process the water vapor that has not condensed in the air duct 221. The condenser 223 is divided into two functional sections: an anti-flow section 226 and a cooling section 227. The anti-flow section 226 is connected to the air duct 221 to prevent condensed water droplets from flowing back into the evaporation flow channel 240; the outer periphery of the cooling section 227 is covered with an evaporator 224. Through the principle of evaporative refrigeration, it provides a stronger cooling effect for the cooling section 227, allowing the remaining water vapor to fully condense here. The evaporator 224 is connected to the condenser 222 through a pipeline, forming a closed refrigeration cycle system.

[0085] The support column 225 is installed below the condenser tube 223 to provide a stable support for the entire steam cooling reflux component 220. This support structure ensures that the air guide tube 221 and the condenser tube 223 remain stable during operation, and the water vapor collection and condensation effect will not be affected by vibration or other external forces.

[0086] Based on the same technical concept, in a second aspect, the present invention further proposes a method for preparing humic acid paste fertilizer using fine hay, using the preparation device for preparing humic acid paste fertilizer using fine hay described in the first aspect, the preparation method comprising the following steps:

[0087] S100, preparing the fine hay into fine hay powder that meets preset conditions;

[0088] In this step, when preparing the fine hay to form fine hay powder that meets the preset conditions, the fine hay can be placed in a mixing tank and dried in an environment of 80°C-90°C to destroy the catalase in the fine hay and prevent the catalase from affecting subsequent reactions of the experiment. After the drying operation of the fine hay is completed, the fine hay is crushed to form fine hay powder.

[0089] More specifically, first, fine hay needs to be prepared into fine hay powder that meets preset conditions. Fine hay refers to dried herbaceous plants that are rich in organic matter and cellulose and are high-quality raw materials for preparing humic acid.

[0090] When preparing the fine hay powder, the fine hay can be ground into a particle size that meets the preset conditions by mechanical pulverization. The preset conditions mainly refer to the particle size requirements of the fine hay powder. Generally, the smaller the particle size of the fine hay powder, the higher the efficiency of its subsequent conversion into humic acid.

[0091] It should be specifically and explicitly stated that in this embodiment, the preset conditions include the particle size range, moisture content, and impurity content of the fine hay powder. It should be further clarified that in this embodiment, the particle size of the fine hay powder is preferably 20-100 mesh, the moisture content is preferably controlled below 10%, and the impurity content is preferably controlled below 5%.

[0092] More specifically, in the process of fine hay crushing, a multi-stage crushing method can be adopted, first performing primary coarse crushing, then fine crushing, and finally collecting the fine hay powder that meets the particle size requirements through screening equipment, and the part that does not meet the requirements is returned for crushing again to improve the utilization rate of the fine hay.

[0093] S200, preparing the fine hay powder to form humic acid;

[0094] In this step, after obtaining the fine hay powder, it is acid-washed with an acetic acid solution. When using the acetic acid solution for acid washing, 3%-8% acetic acid solution and fine hay powder can be mixed at a volume ratio of 20:1 and then acid-washed. After acid washing, the fine hay powder is rinsed with deionized water and dried to obtain the fine hay powder for preparing humic acid.

[0095] More specifically, when preparing the humic acid product, fine hay powder and H2O2 solution are mixed in a volume ratio of 1:10 and added to the preparation space in the reactor. When the preparation space of the reactor is in a closed environment, the temperature of the preparation space in the reactor is maintained at 180°C-220°C and the reaction is carried out for 30min-50min to obtain the humic acid product.

[0096] Specifically, in this step, the fine hay powder prepared in step S100 needs to be converted into humic acid. Humic acid is a complex organic macromolecular compound with good soil improvement and plant growth promotion effects.

[0097] In the process of preparing fine hay powder into humic acid, alkaline hydrolysis and oxidation can be used. The specific operation is: the fine hay powder is mixed with a certain concentration of alkaline solution (such as sodium hydroxide or potassium hydroxide solution), and the alkaline hydrolysis reaction is carried out at a certain temperature to hydrolyze the cellulose, hemicellulose and other components in the fine hay, and simultaneously convert them into humic acid under oxidative conditions.

[0098] It can be further clarified that in this embodiment, the alkaline hydrolysis reaction temperature is preferably 60°C-90°C, the reaction time is preferably 2-6 hours, and the alkaline solution concentration is preferably 2%-10%. By controlling these parameters, a higher yield and higher quality of humic acid can be obtained.

[0099] S300, forming a mixture of the humic acid, auxiliary materials and stirring water and injecting the mixture into the material preparation space;

[0100] Specifically, in this step, humic acid, auxiliary materials and stirring water are first mixed according to the mixing ratio of humic acid paste fertilizer. During mixing, humic acid and auxiliary materials can be put into the stirring water in sequence, or they can be put into the material preparation space from the feeding port at the same time.

[0101] The auxiliary materials may include, but are not limited to, macronutrient fertilizers such as nitrogen, phosphorus, and potassium, as well as trace element fertilizers such as zinc, iron, manganese, and copper, and may also include functional additives such as organic additives and pH regulators. By adding these auxiliary materials, the nutrient content and efficacy of the final humic acid paste fertilizer can be improved.

[0102] The amount of water added for mixing needs to be adjusted according to the viscosity requirements of the mixture, and is generally controlled to a level that allows the mixture to be fluid but not too thin. This can not only ensure the smooth progress of the subsequent mixing process, but also reduce energy consumption during the concentration process.

[0103] After humic acid, auxiliary materials and stirring water are mixed uniformly according to a predetermined ratio, the mixture is injected into the material preparation space through a conveying device. The material preparation space is the main working area of ​​the material preparation mechanism and has sufficient volume to accommodate the mixture and perform subsequent stirring operations.

[0104] S400, using the material preparation mechanism to stir the mixed material placed in the material preparation space for a preset time to form the humic acid fertilizer concentrated solution;

[0105] In this embodiment, after the mixture is put into the material preparation space, it can be stirred with a stirrer and stirred for at least 12 hours to prepare a concentrated solution of humic acid fertilizer.

[0106] It should be particularly and clearly stated that, in this embodiment, the preset duration of the example is preferably 12 hours.

[0107] The material preparation mechanism is used to fully stir the mixed material in the material preparation space so that the components are evenly distributed to form a concentrated solution of humic acid fertilizer.

[0108] The material preparation mechanism typically includes a stirring device, such as a stirring paddle or stirring shaft, which is driven by a motor to rotate and stir. During the stirring process, the various components in the mixture are fully contacted and mixed, and a series of physical and chemical reactions may occur between the humic acid and the auxiliary materials, forming a more stable complex.

[0109] It is important to note that the preset stirring time has a significant impact on the quality of the final product. A stirring time that is too short may result in uneven mixing; a stirring time that is too long may waste energy. In this embodiment, the preset stirring time is preferably 12 hours, but the specific time can be adjusted based on the properties of the mixture and the efficiency of the stirring equipment.

[0110] By fully stirring, the mixture is transformed into a uniform concentrated solution of humic acid fertilizer, ready for the next step of concentrated paste making operation.

[0111] S500: Using the concentrated paste-making mechanism to perform evaporation and concentration operations on the humic acid fertilizer concentrated solution to prepare the humic acid paste fertilizer.

[0112] Specifically, in this step, the concentrated paste-making mechanism is used to evaporate and concentrate the humic acid fertilizer concentrated solution formed in the previous step to remove excess water, and finally produce humic acid paste fertilizer.

[0113] The concentrating and paste-making mechanism can be an evaporator, a vacuum concentrating device or other device capable of evaporating water. During the concentration process, the water in the humic acid fertilizer concentrated solution is evaporated by heating and / or reducing pressure, and the solution gradually becomes viscous, eventually forming a paste product.

[0114] It should be further clarified that in this embodiment, the concentration temperature is preferably controlled within the range of 60-90°C to prevent high temperature from damaging the active ingredients of humic acid. If vacuum concentration is used, the vacuum degree is preferably controlled at 0.05-0.08 MPa, which allows for effective concentration at lower temperatures and protects the active ingredients of the product.

[0115] The concentration process requires continuous monitoring of the moisture content or viscosity of the product. When the predetermined indicators are reached (such as the moisture content drops to 30%-40%, or reaches a specific viscosity), the concentration can be stopped to obtain the final humic acid paste fertilizer product.

[0116] In this embodiment, fine hay is prepared to form fine hay powder that meets preset conditions, and the fine hay powder is prepared to form humic acid. Humic acid, auxiliary materials and stirring water are formed into a mixture and injected into a material preparation space. The mixture placed in the material preparation space is stirred for a preset time by a material preparation mechanism to form a humic acid fertilizer concentrated solution. The humic acid fertilizer concentrated solution is evaporated and concentrated by a concentrated paste making mechanism to prepare humic acid paste fertilizer. When used, the present invention can utilize the cooperation of the set material preparation mechanism and the concentrated paste making mechanism to prepare humic acid paste fertilizer by heating. After the humic acid fertilizer concentrated solution is prepared, there is no need to add the mixture to the humic acid fertilizer concentrated solution, thereby improving production efficiency. The evaporation and concentration of the humic acid fertilizer concentrated solution by heating also enables the present invention to prepare humic acid paste fertilizer in a shorter time, thereby ensuring the industrial production efficiency of humic acid paste fertilizer.

[0117] In one embodiment, step S500 includes:

[0118] S510: Using the concentrated paste-making mechanism to collect the real-time conductivity of the humic acid fertilizer concentrated solution.

[0119] Specifically, in this step, the concentrated paste-making mechanism is equipped with a conductivity sensor to monitor the conductivity of the humic acid fertilizer concentrated solution in real time. Conductivity is an important parameter reflecting the ion concentration in the solution, and measuring conductivity can indirectly reflect the concentration of the humic acid fertilizer concentrated solution.

[0120] It should be specifically and clearly stated that in this embodiment, the conductivity sensor is installed at an appropriate location in the concentrated paste making mechanism to ensure that the solution conductivity data can be continuously and stably collected. It can be further clarified that the conductivity detection frequency is preferably once every 5-10 minutes to ensure the timeliness and accuracy of the data.

[0121] More specifically, during the collection of conductivity data, the effect of temperature on conductivity measurement should be considered. Therefore, the solution temperature needs to be recorded synchronously and temperature compensation needs to be performed to obtain accurate conductivity values.

[0122] S520: Obtaining the evaporation temperature required for preparing the humic acid fertilizer paste according to the real-time conductivity.

[0123] Specifically, in this step, based on the collected real-time conductivity data, the most suitable evaporation temperature is determined through the pre-established conductivity-concentration-temperature correspondence.

[0124] In this embodiment, the conductivity of the concentrated humic acid fertilizer solution is related to its concentration. As the concentration of the solution increases, the conductivity changes accordingly. This relationship allows the concentration of the solution to be monitored in real time and the evaporation temperature to be adjusted accordingly.

[0125] It can be further clarified that, based on practical experience, the optimal evaporation temperature varies with conductivity ranges. For example, when the conductivity is in the 10-15 mS / cm range, the evaporation temperature is preferably 70-80°C. When the conductivity exceeds 15 mS / cm, the evaporation temperature should be appropriately lowered to 65-75°C to prevent high temperatures from adversely affecting the product.

[0126] S530: performing an evaporation and concentration operation on the humic acid fertilizer concentrated solution according to the evaporation temperature to prepare the humic acid fertilizer paste.

[0127] Specifically, in this step, the humic acid fertilizer concentrated solution undergoes precise temperature-controlled evaporation and concentration, based on the evaporation temperature determined in the previous step. The temperature control system automatically adjusts the heating power based on the set temperature value, ensuring that the temperature remains stable within the optimal range throughout the concentration process.

[0128] During the concentration process, as the water evaporates, the viscosity of the solution gradually increases. The conductivity change needs to be continuously monitored. When the conductivity reaches the preset target value (usually corresponding to the desired concentration of the final product), the concentration process can be terminated.

[0129] Of course, it should be further clarified that in this embodiment, in addition to temperature control, the concentration process also requires maintaining an appropriate stirring speed to ensure uniform heat distribution and prevent local overheating. The stirring speed can be dynamically adjusted according to changes in solution viscosity and is generally within the range of 30-60 rpm.

[0130] The above description is merely an exemplary embodiment of the present invention and does not limit the scope of the present invention. Any equivalent structural transformation made by utilizing the contents of the present invention description and drawings under the technical concept of the present invention, or directly / indirectly applied in other related technical fields, is included in the scope of protection of the present invention.

Claims

1. A device for preparing humic acid paste fertilizer using fine hay, characterized in that: include: A material preparation mechanism, wherein a material preparation space is formed in the material preparation mechanism, and a concentrated solution of humic acid fertilizer can be prepared in the material preparation space, and a discharge port is formed at the bottom of the material preparation space; as well as, The concentrated paste-making mechanism is installed at the discharge port, and the concentrated paste-making mechanism includes a concentrated paste-making component, a steam-cooling reflux component and an angle adjustment component. The concentrated paste-making component is connected to the discharge port, and an evaporation flow channel arranged obliquely downward is formed in the concentrated paste-making component. A current detection sensor is installed in the evaporation flow channel, and the current detection sensor is used to obtain the conductivity of the humic acid fertilizer concentrated solution. The evaporation flow channel is connected to the discharge port, and the steam-cooling reflux component is installed at the concentrated paste-making component, and a steam-cooling flow channel is formed on the steam-cooling reflux component, and the steam-cooling flow channel is connected to the evaporation flow channel. The angle adjustment component is installed at the end of the concentrated paste-making component away from the discharge port, and the angle adjustment component can drive the concentrated paste-making component to rise and fall to block or open the evaporation flow channel. The steam-cooling flow channel can collect water vapor in the humic acid fertilizer concentrated solution evaporated through the evaporation flow channel, so that the humic acid fertilizer concentrated solution forms the humic acid paste fertilizer when it flows out of the evaporation flow channel. The concentrated ointment making component comprises: A material delivery pipe, the material delivery pipe includes a liquid storage section and an evaporation section connected in sequence, the liquid storage section is connected to the discharge port, the liquid storage section is U-shaped, the evaporation section is arranged to be inclined downward from the liquid storage section toward a direction away from the liquid storage section, the evaporation flow channel with a top opening is formed in the evaporation section, the angle adjustment component is installed at one end of the evaporation flow channel away from the liquid storage section, the angle adjustment component can drive the evaporation section to rise and fall, the evaporation section is formed at one end away from the liquid storage section with a discharge port, and the angle adjustment component can block the discharge port; and a heating evaporation hood, the heating evaporation hood being arranged above the evaporation flow channel and being in sealed communication with the evaporation section; an air outlet being formed on the top of the heating evaporation hood; the heating evaporation hood being capable of evaporating water in the humic acid fertilizer concentrated solution flowing through the evaporation flow channel when the angle adjustment component blocks the discharge port, so as to convert the humic acid fertilizer concentrated solution into the humic acid paste fertilizer; the heating evaporation hood being capable of obtaining the evaporation temperature required for producing the humic acid paste fertilizer based on the real-time conductivity detected by the current detection sensor and evaporating the humic acid fertilizer concentrated solution according to the evaporation temperature to produce the humic acid paste fertilizer; The angle adjustment component includes: a first regulating assembly, the first regulating assembly being installed at the bottom of the evaporation section and capable of driving the evaporation section to rise and fall; and a second regulating assembly, the second regulating assembly being mounted on the discharge port, the second regulating assembly being switchable between an evaporation and concentration state that blocks the discharge port and a discharge state that opens the discharge port; The second adjustment component includes: A guide bracket, the guide bracket being mounted on the discharge port, and having a guide groove formed thereon that is consistent with the extension direction of the evaporation section; a flexible barrier, the flexible barrier being mounted on the discharge port, the flexible barrier being sealed to the discharge port, the flexible barrier being able to slide along the guide groove, and the top of the flexible barrier being able to form a discharge groove; and a first telescopic member, the first telescopic member being mounted on the bottom of the flexible barrier member and capable of driving the flexible barrier member to slide along the guide groove, so that the flexible barrier member can switch between a state of blocking the discharge port for evaporation and concentration and a state of opening the discharge port for discharge; The guide bracket includes two guide rods, which are respectively arranged on both sides of the discharge port. Each of the two guide rods is provided with a guide groove, and the two guide grooves are arranged opposite to each other. Both sides of the flexible blocking member are slidably matched with the two guide grooves. The first adjustment component includes: a connecting seat, the connecting seat being mounted on the outer periphery of the evaporation section and being located at the bottom of the evaporation section; and The second telescopic member is connected to the connecting seat and is located below the connecting seat. The second telescopic member can drive the evaporation section to rise or fall.

2. The device for preparing humic acid paste fertilizer using fine hay as claimed in claim 1, characterized in that: The current detection sensor is installed in both the liquid storage section and the evaporation section. The current detection sensor can detect the conductivity of the humic acid fertilizer concentrated solution in the corresponding liquid storage section and the evaporation section.

3. The device for preparing humic acid paste fertilizer using fine hay as claimed in claim 1, characterized in that: The steam cooling reflux component comprises: an air duct, the air duct being in sealed communication with the air outlet, the air duct extending upward, and the outer periphery of the air duct being covered with a condenser; A condenser, the condenser is in sealed communication with the air guide pipe, the condenser comprises an anti-flow section and a cooling section which are sequentially connected, the outer periphery of the cooling section is covered with an evaporator, and the evaporator is in communication with the condenser through a pipeline; and A support column is installed below the condenser tube.

4. A method for preparing humic acid paste fertilizer using fine hay, characterized in that: The device for preparing humic acid paste fertilizer using fine hay according to any one of claims 1 to 3 is used, and the preparation method comprises the following steps: preparing the fine hay into fine hay powder that meets preset conditions; preparing the fine hay powder to form humic acid; The humic acid, auxiliary materials and stirring water are formed into a mixture and injected into the material preparation space; Using the material preparation mechanism to stir the mixed material placed in the material preparation space for a preset time to form the humic acid fertilizer concentrated solution; Using the concentrated paste-making mechanism to perform evaporation and concentration operations on the humic acid fertilizer concentrated solution to prepare the humic acid paste fertilizer; The step of using the concentrated paste-making mechanism to perform evaporation and concentration on the humic acid fertilizer concentrated solution to prepare the humic acid paste fertilizer comprises: Using the concentrated paste-making mechanism to collect the real-time conductivity of the humic acid fertilizer concentrated solution; According to the real-time conductivity, the evaporation temperature required for preparing the humic acid fertilizer paste is obtained; The humic acid fertilizer concentrated solution is evaporated and concentrated according to the evaporation temperature to prepare the humic acid fertilizer paste.

Images