Automatic pretreatment equipment for compound fertilizer production

By designing an automatic pretreatment device, the continuous extrusion and crushing of composite fertilizers is achieved by using a servo motor to drive the agitation and extrusion device, the problems of low efficiency and high cost in the production of traditional composite fertilizers are solved, and efficient and low-cost pretreatment effect is achieved.

CN222567684UActive Publication Date: 2025-03-07NINGXIA PINGDAILIN BIO ORGANIC FERTILIZER CO LTD
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Patent Information

Application Number
CN202421174306.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-28
Publication Date
2025-03-07
Estimated Expiration
2034-05-28

AI Technical Summary

Technical Problem

During the production process of traditional composite fertilizers, the extrusion method of hydraulic cylinders cannot be continuous, which reduces the pretreatment efficiency. In addition, the strip-shaped composite fertilizer needs to be cut into granular form, resulting in higher costs.

Method used

An automatic pretreatment equipment for the production of composite fertilizers was designed. The servo motor was used to drive the stirring rod to stir and mix the composite fertilizer raw materials. The composite fertilizer raw materials were continuously extruded through the extrusion device, and the agglomerated raw materials were processed through the crushing device, which avoided the use of the cut-off device.

Benefits of technology

It improves the pretreatment efficiency of composite fertilizers, reduces production costs, and reduces the production costs of equipment through shared power sources, making it easier to promote and use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses automatic pretreatment equipment for compound fertilizer production, which comprises an extrusion pipe, a material mixing tank is mounted at the top of the extrusion pipe, a feed port is mounted in the material mixing tank, a second servo motor is mounted at the top of the material mixing tank, a stirring rod is mounted at the bottom of the second servo motor, and a stirring shaft is mounted at the bottom of the stirring rod. The automatic pretreatment equipment for compound fertilizer production further comprises an extrusion device installed in the extrusion pipe. According to the automatic pretreatment equipment for compound fertilizer production, the servo motor is used for driving the stirring rod to rotate so as to stir and mix compound fertilizer raw materials, and the compound fertilizer raw materials can be continuously extruded outwards through the extrusion device, so that the pretreatment efficiency of the compound fertilizer is improved; meanwhile, a cutting device does not need to be additionally arranged for cutting the strip-shaped compound fertilizer into particles, so that the pretreatment cost of the compound fertilizer is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of compound fertilizer production and processing, in particular to automatic pretreatment equipment for compound fertilizer production. Background Art

[0002] Compound fertilizer refers to a fertilizer containing two or more nutrients of nitrogen, phosphorus and potassium. Compound fertilizer has the advantages of high nutrient content, few by-products and good physical properties. It plays a very important role in balanced fertilization, improving fertilizer utilization and promoting high and stable yields of crops. However, it also has some disadvantages. For example, its nutrient ratio is always fixed, while the types, quantities and ratios of nutrients required by different soils and crops are diverse.

[0003] At present, during the production and processing of compound fertilizer, the raw materials of compound fertilizer need to be pre-treated. The raw materials of compound fertilizer are placed in a processing tank, and a variety of raw materials of compound fertilizer are mixed evenly by stirring. The mixed raw materials of compound fertilizer are squeezed outward by extrusion. When the raw materials of compound fertilizer pass through the orifice plate, they become long strips. The long strips of raw materials of compound fertilizer are cut into granules, thereby completing the pre-treatment of compound fertilizer.

[0004] In the production and processing of traditional compound fertilizers, a hydraulic cylinder is used to extrude the compound fertilizer from a perforated plate. After the hydraulic cylinder extrude the compound fertilizer, it needs to be reset to complete the next extrusion operation. The extrusion method of the hydraulic cylinder cannot extrude the compound fertilizer continuously, thereby reducing the pretreatment efficiency of the compound fertilizer. At the same time, after the long strips of compound fertilizer are extruded, a cutting device is required to cut them into granules. The cutting device needs to be connected to a power supply, resulting in a high cost for the pretreatment of the compound fertilizer. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides an automatic pretreatment equipment for compound fertilizer production, which solves the problem that in the production and processing of traditional compound fertilizers, the compound fertilizer is squeezed out from the orifice plate by means of a hydraulic cylinder. After the hydraulic cylinder extrude the compound fertilizer, it needs to be reset to complete the next extrusion operation. The extrusion method of the hydraulic cylinder cannot extrude the compound fertilizer continuously, thereby reducing the pretreatment efficiency of the compound fertilizer. At the same time, after the long strips of compound fertilizer are extruded, a cutting device needs to be used to cut them into granules. The cutting device needs to be connected to a power supply for use, which leads to the problem of high cost of compound fertilizer pretreatment.

[0006] To achieve the above-mentioned purpose, the utility model is implemented through the following technical solutions: an automatic pretreatment equipment for compound fertilizer production, including an extrusion tube, a mixing tank is installed on the top of the extrusion tube, a feed port is installed inside the mixing tank, a second servo motor is installed on the top of the mixing tank, a stirring rod is installed at the bottom of the second servo motor, and the outer wall of the stirring rod is rotatably connected to the inner wall of the mixing tank through a sealed bearing. The automatic pretreatment equipment for compound fertilizer production also includes: an extrusion device, installed inside the extrusion tube; a crushing device, installed inside the feed port; wherein the extrusion device can continuously extrude the mixed compound fertilizer, and the crushing device can crush the agglomerated raw materials.

[0007] Preferably, a cleaning scraper is installed on the outer wall of the stirring rod, the outer wall of the cleaning scraper is movably connected to the inner wall of the mixing tank, and an electric heating plate is arranged at the bottom of the outer wall of the mixing tank.

[0008] Preferably, the extrusion device includes: an auger, which is rotatably connected to the inside of the extrusion tube through a sealed bearing; a first servo motor, which is detachably connected to one end of the auger and is detachably connected to the outer wall of the extrusion tube; an orifice plate, which is installed on the outer wall of the extrusion tube by bolts; a cutting rod, which is rotatably connected to the inner wall of the orifice plate through a sealed bearing and is plugged into one end of the auger; a protective cover, which is installed on the outer wall of the orifice plate; wherein, when the first servo motor drives the auger to rotate, the material is squeezed out of the orifice plate, and the auger drives the cutting rod to rotate to cut off the extruded raw material.

[0009] Preferably, the crushing device includes: a limit plate installed inside the feed port; an extrusion block movably connected to the bottom of the limit plate; an inclined rod installed at the bottom of the extrusion block; a disc movably connected to the bottom of the outer wall of the inclined rod; a straight plate rotatably connected to the outer wall of the disc through a sealed bearing and fixedly connected to the inner wall of the feed port; a transmission mechanism installed at the bottom of the disc and fixedly connected to the outer wall of the stirring rod; wherein the transmission mechanism drives the disc to rotate, and the disc drives the extrusion block to swing through the inclined rod, and the extrusion block cooperates with the feed port to extrude the compound fertilizer raw material.

[0010] Preferably, an inclined cylinder is installed on the inner wall of the straight plate.

[0011] Beneficial Effects

[0012] The utility model provides an automatic pretreatment device for compound fertilizer production. It has the following beneficial effects: the automatic pretreatment device for compound fertilizer production uses a servo motor to drive the stirring rod to rotate, stir and mix the compound fertilizer raw materials, and can continuously extrude the compound fertilizer raw materials outward through an extrusion device, thereby improving the pretreatment efficiency of the compound fertilizer, and at the same time, there is no need to set up a cutting device to cut the strip compound fertilizer into granules, thereby reducing the cost of compound fertilizer pretreatment;

[0013] The lumped compound fertilizer raw materials are crushed by the crushing device to prevent uneven mixing of the compound fertilizer raw materials during stirring. At the same time, the crushing device and the stirring rod share a power source, thereby reducing the production cost of the pretreatment equipment and facilitating the promotion and use of the pretreatment equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 for Figure 1 A cross-sectional view of

[0016] Figure 3 for Figure 1 Structural diagram of the middle auger, the first servo motor and the orifice plate;

[0017] Figure 4 for Figure 1 Schematic diagram of the structure of the middle limit plate, extrusion block and diagonal rod.

[0018] In the figure: 1. extrusion tube, 2. extrusion device, 201. auger, 202. first servo motor, 203. orifice plate, 204. cut-off rod, 205. protective cover, 3. mixing tank, 4. feed port, 5. crushing device, 501. limit plate, 502. extrusion block, 503. inclined rod, 504. disc, 505. straight plate, 506. transmission mechanism, 6. inclined cylinder, 7. second servo motor, 8. stirring rod, 9. cleaning scraper, 10. electric heating plate. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] By those skilled in the art, the components in this case are connected in sequence. The specific connection and operation sequence should refer to the following working principle. The detailed connection means are well-known technologies in the art. The following mainly introduces the working principle and process.

[0021] In the production and processing of traditional compound fertilizers, a hydraulic cylinder is used to extrude the compound fertilizer from the orifice plate. After the hydraulic cylinder extrude the compound fertilizer, it needs to be reset to complete the next extrusion operation. The extrusion method of the hydraulic cylinder cannot extrude the compound fertilizer continuously, thereby reducing the pretreatment efficiency of the compound fertilizer. At the same time, after the long strip of compound fertilizer is extruded, a cutting device needs to be used to cut it into particles. The cutting device needs to be connected to a power supply, resulting in a high cost for the pretreatment of the compound fertilizer.

[0022] In view of this, the utility model provides an automatic pretreatment equipment for compound fertilizer production, which uses a servo motor to drive a stirring rod to rotate, stirs and mixes the compound fertilizer raw materials, and can continuously extrude the compound fertilizer raw materials outward through an extrusion device, thereby improving the pretreatment efficiency of the compound fertilizer. At the same time, there is no need to set up a cutting device to cut the strip compound fertilizer into granules, thereby reducing the cost of compound fertilizer pretreatment.

[0023] Embodiment 1: By Figure 1 , 2 , 3 and 4 show that an automatic pretreatment device for compound fertilizer production includes an extrusion tube 1, a mixing tank 3 is installed on the top of the extrusion tube 1, a feed port 4 is installed inside the mixing tank 3, a second servo motor 7 is installed on the top of the mixing tank 3, a stirring rod 8 is installed at the bottom of the second servo motor 7, and the outer wall of the stirring rod 8 is rotatably connected to the inner wall of the mixing tank 3 through a sealed bearing. The automatic pretreatment device for compound fertilizer production also includes: an extrusion device 2, which is installed inside the extrusion tube 1; a crushing device 5, which is installed inside the feed port 4; wherein the extrusion device 2 can continuously extrude the mixed compound fertilizer, and the crushing device 5 can crush the agglomerated raw materials;

[0024] In the specific implementation process, it is worth pointing out that the compound fertilizer raw material is added into the mixing tank 3 from the feed port 4, the crushing device 5 crushes the agglomerated compound fertilizer raw material, and the second servo motor 7 is controlled to work through the external control panel, and the second servo motor 7 drives the stirring rod 8 to rotate, and the stirring rod 8 stirs and mixes the compound fertilizer raw material, and the extrusion device 2 is used to extrude the mixed compound fertilizer raw material from the mixing tank 3. The model of the second servo motor 7 is ECMA-E11320RS, and the mixing tank 3, the feed port 4, the stirring rod 8, the second servo motor 7 and the extrusion tube 1 constitute a pretreatment device;

[0025] Furthermore, a cleaning scraper 9 is installed on the outer wall of the stirring rod 8, and the outer wall of the cleaning scraper 9 is movably connected to the inner wall of the mixing tank 3, and an electric heating plate 10 is arranged at the bottom of the outer wall of the mixing tank 3;

[0026] In the specific implementation process, it is worth pointing out that when the stirring rod 8 rotates, the cleaning scraper 9 is driven to rotate, and the cleaning scraper 9 cleans the inside of the mixing tank 3. When the electric heating plate 10 works, the compound fertilizer raw materials in the mixing tank 3 are dried. The model of the electric heating plate 10 is YK-3;

[0027] Specifically, when the automatic pretreatment equipment for compound fertilizer production is used, the compound fertilizer raw material enters the mixing tank 3 from the feed port 4, the external control panel controls the operation of the crushing device 5, the crushing device 5 crushes the agglomerated compound fertilizer raw material, the second servo motor 7 is operated through the external control panel, the second servo motor 7 drives the stirring rod 8 to rotate, the stirring rod 8 mixes the compound fertilizer raw materials, the electric heating plate 10 evaporates excess water inside the compound fertilizer when working, the mixed compound fertilizer raw material enters the extrusion tube 1, the external control panel controls the operation of the extrusion device 2, the extrusion device 2 extrude the mixed compound fertilizer outward, after the pretreatment is completed, the stirring rod 8 drives the cleaning scraper 9 to rotate to clean the inside of the mixing tank 3.

[0028] Embodiment 2: By Figure 1 , 2 As can be seen from Figures 3, the extrusion device 2 includes: an auger 201, which is rotatably connected to the inside of the extrusion tube 1 through a sealed bearing; a first servo motor 202, which is detachably connected to one end of the auger 201 and is detachably connected to the outer wall of the extrusion tube 1; a perforated plate 203, which is installed on the outer wall of the extrusion tube 1 through bolts; a cut-off rod 204, which is rotatably connected to the inner wall of the perforated plate 203 through a sealed bearing and is plugged into one end of the auger 201; a protective cover 205, which is installed on the outer wall of the perforated plate 203; wherein the first servo motor 202 drives the auger 201 to rotate to extrude the material from the perforated plate 203, and the auger 201 drives the cut-off rod 204 to rotate to cut off the extruded raw material;

[0029] In the specific implementation process, it is worth pointing out that the model of the first servo motor 202 is ECMA-E11320RS. When the first servo motor 202 is working, it drives the auger 201 to rotate, and the auger 201 drives the mixed compound fertilizer to move toward the orifice plate 203. The orifice plate 203 squeezes the compound fertilizer into strips and discharges them outward. The strip compound fertilizer is processed into granules by the truncation rod 204, and the truncation part of the truncation rod 204 is provided with multiple;

[0030] Specifically, based on the above-mentioned embodiment 1, the external control panel controls the operation of the first servo motor 202, the first servo motor 202 drives the auger 201 to rotate, the auger 201 drives the mixed compound fertilizer to move toward the orifice plate 203, the orifice plate 203 allows the compound fertilizer to be discharged outward in the form of strips, and at the same time the auger 201 drives the cutting rod 204 to rotate, processing the strip-shaped compound fertilizer into granules.

[0031] Embodiment 3: By Figure 2 and 4 It can be seen that the crushing device 5 includes: a limit plate 501, which is installed inside the feed port 4; an extrusion block 502, which is movably connected to the bottom of the limit plate 501; an inclined rod 503, which is installed at the bottom of the extrusion block 502; a disc 504, which is movably connected to the bottom of the outer wall of the inclined rod 503; a straight plate 505, which is rotatably connected to the outer wall of the disc 504 through a sealed bearing and is fixedly connected to the inner wall of the feed port 4; a transmission mechanism 506, which is installed at the bottom of the disc 504 and is fixedly connected to the outer wall of the stirring rod 8; wherein the transmission mechanism 506 drives the disc 504 to rotate, and the disc 504 drives the extrusion block 502 to swing through the inclined rod 503, and the extrusion block 502 cooperates with the feed port 4 to extrude the compound fertilizer raw material;

[0032] In the specific implementation process, it is worth pointing out that the transmission mechanism 506 is composed of two grooved wheels and a belt. The transmission mechanism 506 drives the inclined rod 503 to rotate through the disc 504, and the inclined rod 503 drives the extrusion block 502 to swing, and cooperates with the feed port 4 to extrude the agglomerated compound fertilizer raw materials;

[0033] Furthermore, an inclined cylinder 6 is installed on the inner wall of the straight plate 505;

[0034] In the specific implementation process, it is worth pointing out that the inclined cylinder 6 prevents the compound fertilizer raw materials from accumulating on the disc 504, and due to the restriction of the extrusion block 502, the raw materials will not enter the interior of the inclined cylinder 6;

[0035] Specifically, on the basis of the above-mentioned embodiment 1, the stirring rod 8 drives the transmission mechanism 506 to rotate, the larger groove wheel in the transmission mechanism 506 drives the smaller groove wheel to rotate through the belt, the smaller groove wheel drives the disc 504 to rotate, and the disc 504 drives the extrusion block 502 to swing through the inclined rod 503. When the extrusion block 502 swings, it cooperates with the feed port 4 to extrude the compound fertilizer raw material to prevent the agglomerated compound fertilizer raw material from being mixed unevenly, and the inclined cylinder 6 prevents the compound fertilizer raw material from accumulating on the top of the disc 504.

[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0037] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic pretreatment device for compound fertilizer production, comprising an extrusion tube (1), characterized in that: A mixing tank (3) is installed on the top of the extrusion tube (1), a feed port (4) is installed inside the mixing tank (3), a second servo motor (7) is installed on the top of the mixing tank (3), a stirring rod (8) is installed at the bottom of the second servo motor (7), and the outer wall of the stirring rod (8) is rotatably connected to the inner wall of the mixing tank (3) through a sealed bearing. The automatic pretreatment equipment for compound fertilizer production also includes: An extrusion device (2) installed inside the extrusion tube (1); A crushing device (5) installed inside the feed port (4); The extrusion device (2) is capable of continuously extruding the mixed compound fertilizer, and the pulverizing device (5) is capable of pulverizing agglomerated raw materials.

2. The automatic pretreatment equipment for compound fertilizer production according to claim 1, characterized in that: A cleaning scraper (9) is installed on the outer wall of the stirring rod (8), and the outer wall of the cleaning scraper (9) is movably connected to the inner wall of the mixing tank (3). An electric heating plate (10) is arranged at the bottom of the outer wall of the mixing tank (3).

3. The automatic pretreatment equipment for compound fertilizer production according to claim 1, characterized in that: The extrusion device (2) comprises: An auger (201) is rotatably connected to the interior of the extrusion tube (1) via a sealed bearing; A first servo motor (202) is detachably connected to one end of the auger (201) and is detachably connected to the outer wall of the extrusion tube (1); An orifice plate (203) is mounted on the outer wall of the extruded tube (1) by means of bolts; A cut-off rod (204) is rotatably connected to the inner wall of the orifice plate (203) via a sealed bearing and is plugged into one end of the auger (201); A protective cover (205) is mounted on the outer wall of the orifice plate (203); The first servo motor (202) drives the auger (201) to rotate so as to extrude the material from the orifice plate (203), and the auger (201) drives the cutting rod (204) to rotate so as to cut off the extruded material.

4. The automatic pretreatment equipment for compound fertilizer production according to claim 1, characterized in that: The pulverizing device (5) comprises: A limiting plate (501) is installed inside the feed port (4); An extrusion block (502) movably connected to the bottom of the limiting plate (501); A diagonal rod (503) is installed at the bottom of the extrusion block (502); A disc (504) movably connected to the bottom of the outer wall of the inclined rod (503); A straight plate (505) is rotatably connected to the outer wall of the disc (504) via a sealed bearing and is fixedly connected to the inner wall of the feed port (4); A transmission mechanism (506) is installed at the bottom of the disc (504) and is fixedly connected to the outer wall of the stirring rod (8); The transmission mechanism (506) drives the disc (504) to rotate, and the disc (504) drives the extrusion block (502) to swing through the inclined rod (503), and the extrusion block (502) cooperates with the feed port (4) to extrude the compound fertilizer raw material.

5. The automatic pretreatment equipment for compound fertilizer production according to claim 4, characterized in that: An inclined cylinder (6) is installed on the inner wall of the straight plate (505).