Granular ammonium chloride material screening device

The vibration screening device and multi-layer screening hole design solved the problem of agglomeration and adhesion of granular ammonium chloride materials in a humid environment, achieved efficient screening and equipment stability, and improved production efficiency.

CN223430566UActive Publication Date: 2025-10-14HUBEI SHUANGHUAN SCIENCE AND TECHNOLOGY STOCK CO LTD

Patent Information

Application Number
CN202422636544.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-30
Publication Date
2025-10-14
Estimated Expiration
2034-10-30

AI Technical Summary

Technical Problem

When dealing with moist granular ammonium chloride materials, existing screening devices are prone to problems of agglomeration and adhesion to the screen, causing the screen to become clogged, affecting screening efficiency and increasing equipment maintenance costs.

Method used

The vibrating screening device is used. The vibrating mechanism is driven by a servo motor and the belt drive is used to drive the screening box to vibrate, thereby avoiding material agglomeration and adhesion. The multi-layer screening hole design is combined to achieve accurate screening.

Benefits of technology

It effectively solves the problem of screen clogging, improves screening efficiency, reduces equipment maintenance costs, and ensures the stability of the production line and product uniformity.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a granular ammonium chloride material screening device which comprises a U-shaped plate, a screening box is arranged in the U-shaped plate, a detaching plate is fixedly installed on the right side face of the screening box, and a vibrating mechanism is arranged on the outer surface of the U-shaped plate. According to the granular ammonium chloride material screening device, the problem that in the prior art, granular ammonium chloride is blocked due to the fact that the granular ammonium chloride blocks and adheres to the screen in the screening process is effectively solved, and the first rotating shaft is driven by the servo motor in the vibration mechanism to rotate; the screening box can continuously vibrate under the guiding action of the four nail-shaped sliding rods and the buffering and resetting action of the four springs, granular ammonium chloride materials can be smoothly screened on the three screening inclined plates in the screening box under the vibration action, screen mesh blockage caused by damp caking and screen mesh adhesion is avoided, and the screening efficiency is improved. The screening efficiency is greatly improved, the maintenance cost of equipment is reduced, and the overall efficiency of a production line is improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of granular ammonium chloride materials, and particularly relates to a granular ammonium chloride material screening device. Background Art

[0002] Ammonium chloride, commonly referred to as ammonium chloride, is the ammonium salt of hydrochloric acid and is often a byproduct of the alkali production industry. Its nitrogen content typically ranges from 24% to 26%. It appears as small, white or slightly yellowish square or octahedral crystals, available in both powdered and granular forms. In agriculture, ammonium chloride is particularly effective in fertilizing rice fields. Not only does it provide stable fertilizer efficiency, but the Cl element can inhibit nitrification in rice fields and promote the formation of rice stem fibers, thereby enhancing the rice's resistance to lodging and pests.

[0003] Screening equipment plays a crucial role in the production and processing of ammonium chloride granules. It is responsible for screening the granules to ensure product uniformity and quality. However, existing screening equipment often encounters problems with granular ammonium chloride material, especially in humid environments or weather conditions, causing material to agglomerate and adhere to the screen. This not only seriously affects screening efficiency but can also cause screen blockage, increasing equipment maintenance costs and reducing overall production line efficiency.

[0004] Although the patent application number 201922251362.9 has disclosed a screening device for ammonium chloride granule processing, the device has improved the efficiency and practicality of the screening work to a certain extent by simplifying the structure and facilitating the replacement of the screen. However, this technical solution does not effectively solve the problem of granular ammonium chloride agglomerating and adhering to the screen due to moisture during the screening process, which is still a difficult problem to be solved in practical applications. In order to overcome the shortcomings of the prior art, the utility model proposes a new type of granular ammonium chloride material screening device, which introduces an innovative design of vibration screening, aiming to solve the problem of screen clogging caused by agglomeration and adhesion of materials during the screening process, thereby further improving the screening efficiency and the stability of equipment operation. Utility Model Content

[0005] The purpose of the utility model is to make up for the deficiencies of the prior art and provide a granular ammonium chloride material screening device.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] A granular ammonium chloride material screening device comprises a U-shaped plate, a screening box is arranged inside the U-shaped plate, a disassembly plate is fixedly installed on the right side of the screening box, a vibration mechanism is arranged on the outer surface of the U-shaped plate, the vibration mechanism comprises a servo motor, a first pulley, a second pulley, a deflection rod, a nail-shaped slide bar, and a spring, the first pulley and the second pulley are connected by a belt drive, the deflection rod is in contact with the outer surface of the disassembly plate, four nail-shaped slide bars and four springs are provided, the four nail-shaped slide bars are all fixedly installed on the left side of the screening box, the four nail-shaped slide bars are all slidably connected to the inside of the U-shaped plate and extend to the outside of the U-shaped plate.

[0008] As a preferred solution of this embodiment, the four springs are all installed and fixed on the left side of the screening box, the ends of the four springs away from the screening box are fixedly connected to the U-shaped plate, and the servo motor is installed and fixed on the upper surface of the U-shaped plate.

[0009] As a preferred solution of this embodiment, a first rotating shaft is fixedly mounted on the output end of the servo motor, the first rotating shaft is rotatably connected to the inside of the U-shaped plate, and the first pulley is fixedly mounted on the bottom end of the first rotating shaft.

[0010] As a preferred solution of this embodiment, a second rotating shaft is fixedly connected to the interior of the second pulley, the top end of the second rotating shaft is rotatably connected to the interior of the U-shaped plate, and the deflection rod is fixedly mounted on the second rotating shaft.

[0011] As a preferred solution of this embodiment, the bottom end of the second rotating shaft is rotatably connected to a fixed plate, and the fixed plate is fixedly connected to the inner wall of the U-shaped plate.

[0012] As a preferred solution of this embodiment, the bottom surface of the U-shaped plate is fixedly connected to a bottom plate, the bottom surface of the bottom plate is fixedly connected to four supporting legs, the upper surface of the screening box is fixedly connected to a feeding hopper, and the inner wall of the screening box is fixedly connected to three groups of fixed strips.

[0013] As a preferred solution of this embodiment, each group of the fixed strips is provided with two, and each group of the fixed strips is fixed with a screening inclined plate by four bolts. The front of the screening box is fixedly connected with three discharge hoppers, and the three discharge hoppers correspond to three screening inclined plates respectively, so that the screened materials can be discharged from the corresponding outlets.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] (1) The granular ammonium chloride material screening device effectively solves the problem of clogging of the screen in the prior art due to clumping and adhesion of the screen caused by moisture during the screening process of the granular ammonium chloride, the servo motor in the vibration mechanism drives the first rotating shaft to rotate, and then the first belt pulley, the belt and the second belt pulley drive the eccentric rod on the second rotating shaft to rotate, constantly pushing the disassembly plate on the right side of the screening box, so that the screening box is constantly vibrated under the guidance of the four nail-shaped sliding rods and the buffer reset of the four springs, and the granular ammonium chloride material can be smoothly screened on the three screening inclined plates in the screening box, avoiding the clogging of the screen caused by clumping and adhesion of the screen, greatly improving the screening efficiency, reducing the maintenance cost of the equipment, and improving the overall efficiency of the production line.

[0016] (2) The device has reasonable structure design and convenient operation, the U-shaped plate provides a stable installation environment for the screening box, the bottom plate and the four supporting feet ensure the stability of the whole device, the three screening inclined plates are installed on the two groups of fixed strips through four bolts respectively, and the fixed strips are fixed on the inner wall of the screening box, so that the screening inclined plates are convenient to replace and maintain, meanwhile, through the design of the first layer of large screening holes, the second layer of medium screening holes and the third layer of small screening holes, the granular ammonium chloride material can be accurately screened, the uniformity and quality of the product are ensured, and in addition, the vibration mechanism adopts the belt transmission mode, the transmission is stable, the noise is small, and the service life is long. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation of the present application.

[0018] Figure 1 It is a perspective view structural schematic diagram of the present application;

[0019] Figure 2 It is a perspective view structural schematic diagram of the vibration mechanism of the present application;

[0020] Figure 3 It is an enlarged schematic view of A in the present application Figure 2

[0021] Figure 4 It is a schematic diagram of the internal three-dimensional structure of the screening box after cutting of the present application.

[0022] ​In the figure: 1, U-shaped plate; 2, screening box; 3, disassembly plate; 4, vibrating mechanism; 401, servo motor; 402, first rotating shaft; 403, first belt pulley; 404, second belt pulley; 405, belt; 406, second rotating shaft; 407, eccentric lever; 408, fixed plate; 409, nail-shaped sliding rod; 410, spring; 5, feeding hopper; 6, discharging hopper; 7, screening inclined plate; 8, fixed strip plate; 9, bolt; 10, bottom plate; 11, supporting leg. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Please refer to Figures 1 to 4 The utility model discloses a kind of granular ammonium chloride material screening devices, specifically including U-shaped plate 1, U-shaped plate 1 is provided with screening box 2, the right side surface of screening box 2 is fixedly installed with disassembly plate 3, the outer surface of U-shaped plate 1 is provided with vibrating mechanism 4, vibrating mechanism 4 includes servo motor 401, first belt pulley 403, second belt pulley 404, eccentric lever 407, nail-shaped sliding rod 409, spring 410, first belt pulley 403 and second belt pulley 404 are drivenly connected by belt 405, eccentric lever 407 is in contact with the outer surface of disassembly plate 3, nail-shaped sliding rod 409 and spring 410 are all provided with four, four nail-shaped sliding rods 409 are all fixedly installed on the left side surface of screening box 2, four nail-shaped sliding rods 409 are all slidably connected with the inside of U-shaped plate 1, and the outside of U-shaped plate 1 is penetrated, four springs 410 are all fixedly installed on the left side surface of screening box 2, and the end, away from screening box 2, of four springs 410 is all fixedly connected with U-shaped plate 1, and servo motor 401 is fixedly installed on the upper surface of U-shaped plate 1. First rotating shaft 402 is fixedly installed on the output end of servo motor 401, and first rotating shaft 402 is rotatably connected with the inside of U-shaped plate 1. First belt pulley 403 is fixedly installed on the bottom end of first rotating shaft 402. Second rotating shaft 406 is fixedly connected in the inside of second belt pulley 404, and the top end of second rotating shaft 406 is rotatably connected with the inside of U-shaped plate 1. Eccentric lever 407 is fixedly installed on second rotating shaft 406. Fixed plate 408 is rotatably connected on the bottom end of second rotating shaft 406, and fixed plate 408 is fixedly connected with the inner wall of U-shaped plate 1.

[0025] Specifically in this embodiment, the granular ammonium chloride material to be screened is added into the screening box 2 from the feeding hopper 5. The servo motor 401 is started, the output end of the servo motor 401 drives the first rotating shaft 402 to rotate, the first rotating shaft 402 drives the first belt pulley 403 to rotate. The first belt pulley 403 drives the second belt pulley 404 to rotate through the belt 405, the second belt pulley 404 drives the second rotating shaft 406 to rotate, and the eccentric rod 407 on the second rotating shaft 406 rotates. When the eccentric rod 407 rotates, the eccentric rod 407 is in contact with the outer surface of the disassembly plate 3, constantly pushing the disassembly plate 3, and further pushing the screening box 2. The four nail-shaped sliding rods 409 on the left side of the screening box 2 slide in the U-shaped plate 1, and play a guiding role. At the same time, the four springs 410 on the left side of the screening box 2 play a buffering and resetting role in the movement process of the screening box 2. In the process of constant vibration of the screening box 2, the granular ammonium chloride material is screened on the three screening inclined plates 7 in the screening box 2.

[0026] Please refer to Figures 1 to 4 As shown in the figure, the bottom surface of the U-shaped plate 1 is fixedly connected with the bottom plate 10, the bottom surface of the bottom plate 10 is fixedly connected with four supporting feet 11, the upper surface of the screening box 2 is fixedly connected with the feeding hopper 5, and the inner wall of the screening box 2 is fixedly connected with three groups of fixed strip plates 8. Each group of fixed strip plates 8 is provided with two, and each group of fixed strip plates 8 is fixedly connected with a screening inclined plate 7 through four bolts 9. The front surface of the screening box 2 is fixedly connected with three discharge hoppers 6, and the three discharge hoppers 6 correspond to the three screening inclined plates 7 respectively, so that the screened material is discharged from the corresponding outlet. The three screening inclined plates 7 are: the first layer is a large screening hole, the second layer is a medium screening hole, and the third layer is a small screening hole. The three discharge hoppers 6 are also made of stainless steel plates and correspond to the three screening inclined plates 7, so as to smoothly guide the granular ammonium chloride material with different particle sizes out. The diameter of the discharge hopper 6 is 8 cm. The U-shaped plate 1 is made of high-strength steel material, which can withstand the vibration of the screening device and the pressure of the material during long-term use. Its size can be adjusted according to actual production needs, for example, 1 meter long, 0.8 meters wide, and 0.6 meters high. The screening box 2 is placed inside the U-shaped plate 1 and is made of stainless steel material, which has good corrosion resistance and wear resistance. The size of the screening box 2 is slightly smaller than the internal space of the U-shaped plate 1, so as to be able to vibrate smoothly in the U-shaped plate 1. Its length is 0.8 meters, the width is 0.6 meters, and the height is 0.5 meters.

[0027] Please refer to Figures 1 to 4As shown, the disassembly plate 3 is fixed on the right side of the screening box 2 by high-strength bolts, and is made of 1 cm thick steel plate to facilitate disassembly when internal components need to be repaired or replaced. The servo motor 401 in the vibration mechanism 4 is a high-performance motor with a power of 5 kW, which can provide stable power output. The first rotating shaft 402 is made of high-quality alloy steel with a diameter of 3 cm to ensure that it does not deform during high-speed rotation. The first pulley 403 and the second pulley 404 have diameters of 10 cm and 8 cm respectively, and the belt 405 is made of high-strength rubber material, which has good transmission performance and wear resistance. The second rotating shaft 406 is made of the same material as the first rotating shaft 402 and has a diameter of 2.5 cm. The bias rod 407 is a steel rod with a length of 15 cm, which can effectively push the disassembly plate 3. The nail-shaped slide rod 409 has a diameter of 2 cm and a length of 20 cm, and the spring 410 has an elastic coefficient of 100 N / m.

[0028] Please refer to Figures 1 to 4 As shown, the bottom plate 10 is a steel plate with a thickness of 2 cm, a length of 1.2 m, and a width of 1 m. The four supporting feet 11 are made of cast iron, with a height of 30 cm and a diameter of 10 cm, which can provide stable support for the entire device. The feeding hopper 5 is a funnel-shaped with a wide top and a narrow bottom, made of stainless steel plate, with a top diameter of 30 cm and a bottom diameter of 10 cm. The three groups of fixed strip plates 8 on the inner wall of the screening box 2 are made of steel plates with a thickness of 1.5 cm, and each group of fixed strip plates 8 has a length of 0.6 m. The screening inclined plates 7 are made of wear-resistant plastic material and are fixed on the fixed strip plates 8 by four bolts 9. The large screening hole diameter of the first layer of screening inclined plates 7 is 5 mm, the medium screening hole diameter of the second layer of screening inclined plates 7 is 3 mm, and the small screening hole diameter of the third layer of screening inclined plates 7 is 1 mm. The particle ammonium chloride material to be screened is added to the screening box 2 from the feeding hopper 5, and the servo motor 401 is started to drive the screening box 2 to vibrate through the vibration mechanism 4, so that the material is efficiently screened on the three screening inclined plates 7, and finally discharged from different discharge hoppers 6 with different particle sizes. The entire device runs stably and can effectively solve the problem of clumping and adhering to the screen during the screening process of the particle ammonium chloride material due to moisture, thereby improving the screening efficiency and the stability of the equipment operation.

[0029] Specifically in the embodiment, the three screening inclined plates 7 are respectively installed on the two groups of fixed baffle plates 8 through four bolts 9, and the fixed baffle plates 8 are fixed on the inner wall of the screening box 2. The first layer of screening inclined plate 7 has large screening holes, and the larger particle materials are left on the first layer of screening inclined plate 7 and gradually move to the corresponding discharge hopper 6 under the action of vibration, and finally discharged from the discharge hopper 6. The medium particle materials fall on the second layer of screening inclined plate 7 through the large screening holes of the first layer of screening inclined plate 7, and the second layer of screening inclined plate 7 has medium screening holes, and the medium particle materials are left on the second layer of screening inclined plate 7 and move to the corresponding discharge hopper 6 and discharged. The smaller particle materials fall on the third layer of screening inclined plate 7 through the medium screening holes of the second layer of screening inclined plate 7, and the third layer of screening inclined plate 7 has small screening holes, and the small particle materials are left on the third layer of screening inclined plate 7 and move to the corresponding discharge hopper 6 and discharged. The whole device realizes high-efficiency screening of the particle ammonium chloride material through the vibration mechanism 4, overcomes the problems of material caking and adhesion to the screen caused by moisture in the prior art, and improves the screening efficiency and the stability of the equipment operation. The bottom plate 10 and the supporting leg 11 provide stable support for the whole device.

[0030] The above only describes the preferred embodiments of the present application, and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A granular ammonium chloride material screening device, comprising a U-shaped plate (1), characterized in that: A screening box (2) is provided inside the U-shaped plate (1), a disassembly plate (3) is fixedly mounted on the right side of the screening box (2), and a vibration mechanism (4) is provided on the outer surface of the U-shaped plate (1); The vibration mechanism (4) includes a servo motor (401), a first pulley (403), a second pulley (404), a deflection rod (407), a nail-shaped slide bar (409), and a spring (410). The first pulley (403) and the second pulley (404) are connected to each other by a belt (405). The deflection rod (407) contacts the outer surface of the disassembly plate (3). Four nail-shaped slide bars (409) and four springs (410) are provided. The four nail-shaped slide bars (409) are fixed on the left side of the screening box (2). The four nail-shaped slide bars (409) are slidably connected to the inside of the U-shaped plate (1) and extend through the outside of the U-shaped plate (1).

2. The granular ammonium chloride material screening device according to claim 1, characterized in that: The four springs (410) are all fixedly mounted on the left side of the screening box (2), and the ends of the four springs (410) away from the screening box (2) are all fixedly connected to the U-shaped plate (1), and the servo motor (401) is fixedly mounted on the upper surface of the U-shaped plate (1).

3. The granular ammonium chloride material screening device according to claim 1, characterized in that: The output end of the servo motor (401) is fixedly mounted with a first rotating shaft (402), the first rotating shaft (402) is rotatably connected to the inside of the U-shaped plate (1), and the first pulley (403) is fixedly mounted on the bottom end of the first rotating shaft (402).

4. The granular ammonium chloride material screening device according to claim 1, characterized in that: The interior of the second pulley (404) is fixedly connected to a second rotating shaft (406), the top end of the second rotating shaft (406) is rotatably connected to the interior of the U-shaped plate (1), and the deflection rod (407) is fixedly mounted on the second rotating shaft (406).

5. The granular ammonium chloride material screening device according to claim 4, characterized in that: The bottom end of the second rotating shaft (406) is rotatably connected to a fixed plate (408), and the fixed plate (408) is fixedly connected to the inner wall of the U-shaped plate (1).

6. The granular ammonium chloride material screening device according to claim 1, characterized in that: The bottom surface of the U-shaped plate (1) is fixedly connected to a bottom plate (10), the bottom surface of the bottom plate (10) is fixedly connected to four supporting legs (11), the upper surface of the screening box (2) is fixedly connected to a feeding hopper (5), and the inner wall of the screening box (2) is fixedly connected to three groups of fixed strips (8).

7. A granular ammonium chloride material screening device according to claim 6, characterized in that: Each group of fixed strips (8) is provided with two, and a screening inclined plate (7) is fixedly mounted on each group of fixed strips (8) via four bolts (9).

8. The granular ammonium chloride material screening device according to claim 1, characterized in that: The front of the screening box (2) is fixedly connected to three discharge hoppers (6), and the three discharge hoppers (6) correspond to three screening inclined plates (7) respectively.

Citation Information

Patent Citations

  • Screening device for ammonium chloride particle processing

    CN211437011U

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