A potassium nitrate screening device

Abstract

The utility model relates to a kind of potassium nitrate screening devices, belong to screening device technical field.It includes shell, shell one side top is equipped with feed inlet, the shell front and rear two sides are sequentially inclined from top to bottom in and are equipped with two limit grooves, shell left side is sequentially equipped with two with limit groove corresponding opening from top to bottom, different aperture size screen plate with one end extending to the opening outside is movably installed in limit groove, screen plate one end is equipped with limiting mechanism, the shell bottom is installed vibration motor, shell bottom four corners are installed damping shock spring, damping shock spring one end is fixedly connected with base.The utility model has two screen plates, and the aperture of two screen plates is not same, and potassium nitrate is screened in multiple stages.And it is convenient to dismount and replace screen plate, save time and effort, enhance practicality.

Description

Technical Field

[0001] This utility model belongs to the technical field of screening devices, specifically relating to a potassium nitrate screening device. Background Technology

[0002] Potassium nitrate is an inorganic substance, typically a colorless, transparent orthorhombic or rhombic crystal or white powder. It is odorless and non-toxic, and is widely used in the manufacture of fireworks, matches, ceramic glazes, and fertilizers, with substantial demand. In the production of potassium nitrate, sieving is a crucial step in controlling the particle size of the product. Traditional potassium nitrate sieving devices usually employ a fixed sieve plate structure. When adjusting the sieving particle size or using sieve plates with different apertures is required, cumbersome operations such as disassembling bolts and removing the sieve plate frame are necessary to replace the sieve plates. This requires tools, is time-consuming and labor-intensive, and has low operational efficiency, making it difficult to meet the needs of rapid switching between multiple product specifications. Therefore, this invention provides a potassium nitrate sieving device to solve the above problems. Summary of the Invention

[0003] To overcome the problems mentioned in the background art, this utility model provides a potassium nitrate sieving device. This utility model has two sieve plates with different apertures, enabling multi-stage sieving of potassium nitrate. Furthermore, it facilitates the disassembly and replacement of the sieve plates, saving time and effort and enhancing practicality.

[0004] To achieve the above objectives, this utility model is implemented through the following technical solution: A potassium nitrate screening device includes a housing 1. A feed inlet 101 is provided on the top of one side of the housing 1. Two limiting grooves 2 are installed obliquely from top to bottom on the front and rear sides of the housing 1. Two openings 102 corresponding to the limiting grooves 2 are provided from top to bottom on the left side of the housing 1. A screen plate 3 with a different aperture size is movably installed in the limiting groove 2, with one end extending out of the opening 102. A limiting mechanism 4 is provided at one end of the screen plate 3. A vibration motor 5 is installed at the bottom of the housing 1. Damping shock absorbers 6 are installed at the four corners of the bottom of the housing 1. A base 7 is fixedly connected to one end of the damping shock absorber 6.

[0005] Furthermore, the limiting mechanism 4 includes a limiting block 401, a fixing block 402, an insert rod 403, a spring 404, and a fixing rod 405. The limiting block 401 is installed at one end of the sieve plate 3 extending out of the opening 102. The fixing block 402 is installed on the housing 1 above and below the limiting block 401. The left and right sides of the limiting block 401 and the fixing block 402 are respectively provided with slots 406. The insert rod 403 is inserted into the slot 406. The bottom of the fixing block 402 is provided with a fixing hole 407. The insert rod 403 is provided with a groove. The spring 404 is installed in the groove. One end of the spring 404 is fixedly connected to the fixing rod 405 extending out of the fixing hole 407.

[0006] Furthermore, the limiting block 401 is provided with a handle hole 16.

[0007] Furthermore, a material discharge gap is left between the lower end of the sieve plate 3 and the inner wall of the shell 1 to facilitate material discharge.

[0008] Furthermore, the bottom of the housing 1 near the lower end of the screen plate 3 and the bottom of the housing 1 away from the lower end of the screen plate 3 are provided with discharge ports 8, and there are two discharge ports 8 on the side of the housing 1 near the lower end of the screen plate 3 from top to bottom. A first discharge plate 9 extending out of the discharge port 8 is installed at the bottom of the upper end of the limiting groove 2 near the material discharge gap, and a second discharge plate 10 extending to the bottom discharge port 8 on the side away from the lower end of the screen plate 3 is installed at the bottom of the first discharge plate 9.

[0009] Furthermore, the screening device includes a receiving mechanism, which includes a receiving trough 11. A set of support frames 12 are installed on both the left and right sides of the base 7. A support plate 13 is installed on the support frame 12. A limit rod 14 is installed on the support plate 13. Limit sleeves 15 fitted on the limit rod 14 are installed at both ends of the receiving trough 11. The receiving trough 11 is located below the first discharge plate 9 and the second discharge plate 10.

[0010] Furthermore, a feed cover 103 is installed on the feed inlet 101.

[0011] The beneficial effects of this utility model are:

[0012] This utility model features tilted sieve plates for easier sieving of potassium nitrate and reduced clogging. Two sieve plates with different aperture sizes are used for multi-stage sieving of potassium nitrate. The sieve plates are movably installed within the housing via limiting grooves, and one end of each plate is fixed in place by a limiting mechanism. To replace a sieve plate, simply remove the insert rod. This device facilitates easy disassembly and replacement of the sieve plates, saving time and effort and enhancing practicality. Attached Figure Description

[0013] Figure 1 This is a schematic cross-sectional view of the structure of this utility model.

[0014] Figure 2 This is a schematic diagram of the internal structure of this utility model.

[0015] Figure 3 This is a top view schematic diagram of the structure of this utility model.

[0016] Reference numerals in the figures: 1. Housing; 101. Feed inlet; 102. Opening; 103. Feed cover; 2. Limiting groove; 3. Screen plate; 4. Limiting mechanism; 401. Limiting block; 402. Fixing block; 403. Insert rod; 404. Spring; 405. Fixing rod; 406. Slot; 407. Fixing hole; 5. Vibration motor; 6. Damping spring; 7. Base; 8. Discharge port; 9. First discharge plate; 10. Second discharge plate; 11. Receiving groove; 12. Support frame; 13. Support plate; 14. Limiting rod; 15. Limiting sleeve; 16. Handle hole. Detailed Implementation

[0017] To make the objectives, technical solutions, and beneficial effects of this utility model clearer, the preferred embodiments of this utility model will be described in detail below with reference to the accompanying drawings, so as to facilitate the understanding of those skilled in the art.

[0018] like Figure 1-3 This utility model discloses a potassium nitrate screening device, which includes a housing 1. A feed inlet 101 is provided on the top of one side of the housing 1. A feed cover 103 is installed on the feed inlet 101. The feed inlet is located above the high end of the screen plate. During screening, the potassium nitrate moves from the high end of the screen plate to the low end of the screen plate, which is convenient for screening. Two limiting grooves 2 are installed obliquely from top to bottom on the front and rear sides of the housing 1. Two openings 102 corresponding to the limiting grooves 2 are provided from top to bottom on the left side of the housing 1. A screen plate 3 with a different aperture is movably installed in the limiting groove 2, with one end extending out of the opening 102. A discharge gap is left between the low end of the screen plate 3 and the inner wall of the housing 1 to facilitate material discharge. During screening, the potassium nitrate on the screen plate moves to the low end of the screen plate and can be discharged through the discharge gap. Inside the housing 1, there are two sieve plates arranged from top to bottom. The sieve plate at the top (top of the housing) has a larger aperture, while the sieve plate at the bottom (bottom of the housing) has a smaller aperture. The sieve plates 3 are installed at an angle inside the housing via limiting grooves, with only a small angle of inclination required. A limiting mechanism 4 is provided at one end of the sieve plate 3. A vibration motor 5 is installed at the bottom of the housing 1, and damping springs 6 are installed at the four corners of the bottom of the housing 1. One end of each damping spring 6 is fixedly connected to a base 7, which reduces the impact of vibration on the base and minimizes base vibration. The inclined placement of the sieve plates facilitates the screening of potassium nitrate and reduces sieve plate clogging. There are two sieve plates with different apertures, allowing for multi-stage screening of potassium nitrate. The sieve plates are movably installed inside the housing via limiting grooves, and one end of each sieve plate is limited by a limiting mechanism. When replacing a sieve plate, the insert rod is removed to take out the sieve plate for replacement. This facilitates disassembly and replacement of the sieve plates, saving time and effort and enhancing practicality.

[0019] The limiting mechanism 4 includes a limiting block 401, a fixing block 402, an insert rod 403, a spring 404, and a fixing rod 405. The limiting block 401 is installed at one end of the sieve plate 3 extending out of the opening 102. The fixing block 402 is installed on the housing 1 above and below the limiting block 401. The fixing block 402 is installed above the top sieve plate and below the bottom sieve plate. The left and right sides of the limiting block 401 and the fixing block 402 are respectively provided with slots 406. The insert rod 403 is inserted into the slot 406. The bottom of the fixing block 402 is provided with a fixing hole 407. The insert rod 403 is provided with a groove. The spring 404 is installed in the groove. One end of the spring 404 is fixedly connected to the fixing rod 405 extending out of the fixing hole 407. When installing the screen plate, insert it into the limiting groove through the opening. First, install both the upper and lower screen plates, aligning the limiting block with the slot on the fixing block. Insert the insert rod into the slot, allowing the fixing rod on the insert rod to extend out of the fixing hole to fix and limit the screen plate, ensuring its stable installation within the housing. To replace the screen plate, press the fixing rod and pull out the insert rod to remove and replace the screen plate.

[0020] The limiting block 401 is provided with a handle hole 16. Through the handle hole, the operator can easily pick up and put down the sieve plate and handle it by hand.

[0021] The shell 1 has discharge ports 8 on the bottom of the side near the bottom of the screen plate 3 (right side of the shell) and the side away from the bottom of the screen plate 3 (left side of the shell). There are two discharge ports 8 on the side of the shell 1 near the bottom of the screen plate 3 from top to bottom. A first discharge plate 9 extending out of the discharge port 8 is installed at the bottom of the end of the limiting groove 2 near the material discharge gap. A first discharge plate is installed below the bottom of the two screen plates. A second discharge plate 10 extending to the bottom discharge port 8 on the side away from the bottom of the screen plate 3 is installed at the bottom of the first discharge plate 9. The second discharge plate 10 is located below the screen plate at the bottom of the shell and is inclined to discharge material towards the discharge port at the bottom left of the shell. The screening device includes a receiving mechanism, which includes a receiving trough 11. A set of support frames 12 is installed on both sides of the base 7. Each support frame 12 includes two symmetrically installed support columns. A support plate 13 is installed on the support frame 12, and a limiting rod 14 is installed on the support plate 13. Limiting sleeves 15, fitted onto the limiting rods 14, are installed at both ends of the receiving trough 11, with the limiting rods higher than the limiting sleeves. The receiving trough 11 is located below the first discharge plate 9 and the second discharge plate 10. During screening, potassium nitrate on the two screen plates falls through the discharge gap onto the first discharge plate, and then onto the receiving trough, facilitating the collection of the screened potassium nitrate. A second discharge plate is also installed below the bottom screen plate to guide the potassium nitrate that has passed through the sieve holes of the bottom screen plate into the receiving trough.

[0022] Work process:

[0023] The working principle of this utility model is as follows: The sieve plate 3 is inserted into the limiting groove 2, and one end of the sieve plate 3 is fixed by the limiting mechanism 4. During screening, the sieve plate 3 is vibrated by the vibrating motor 5, and potassium nitrate falls onto the sieve plate 3 through the feed inlet 101. The sieve plates 3 with different aperture sizes screen and classify the potassium nitrate. The screened potassium nitrate falls into the receiving trough through the discharge gap, the first discharge plate, or the second discharge plate, thus completing the screening. To replace the sieve plate 3, the insertion rod 403 of the limiting mechanism 4 is removed, and the sieve plate 3 can be removed and replaced.

[0024] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although the utility model has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made to it in form and detail without departing from the scope defined by the claims of this utility model.

Claims

1. A potassium nitrate screening apparatus, characterized by: The potassium nitrate screening device includes a shell (1), a feed inlet (101) is provided on the top of one side of the shell (1), two limiting grooves (2) are installed in the front and rear sides of the shell (1) from top to bottom, and two openings (102) corresponding to the limiting grooves (2) are provided in the left side of the shell (1) from top to bottom. A screen plate (3) with different aperture sizes is movably installed in the limiting groove (2) with one end extending out of the opening (102). A limiting mechanism (4) is provided at one end of the screen plate (3). A vibration motor (5) is installed at the bottom of the shell (1), and damping springs (6) are installed at the four corners of the bottom of the shell (1). A base (7) is fixedly connected to one end of the damping spring (6).

2. The potassium nitrate screening device according to claim 1, characterized in that: The limiting mechanism (4) includes a limiting block (401), a fixing block (402), an insert rod (403), a spring (404), and a fixing rod (405). The limiting block (401) is installed at one end of the sieve plate (3) extending out of the opening (102). The fixing block (402) is installed on the housing (1) above and below the limiting block (401). The left and right sides of the limiting block (401) and the fixing block (402) are respectively provided with slots (406). The insert rod (403) is inserted into the slot (406). The bottom of the fixing block (402) is provided with a fixing hole (407). The insert rod (403) is provided with a groove. The spring (404) is installed in the groove. One end of the spring (404) is fixedly connected to the fixing rod (405) extending out of the fixing hole (407).

3. The potassium nitrate screening device according to claim 2, characterized in that: The limiting block (401) is provided with a handle hole (16).

4. The potassium nitrate screening device according to claim 1, characterized in that: A material discharge gap is left between the lower end of the sieve plate (3) and the inner wall of the shell (1) to facilitate material discharge.

5. A potassium nitrate screening device according to claim 4, characterized in that: The shell (1) is provided with a discharge port (8) on the bottom side near the screen plate (3) and on the bottom side away from the screen plate (3). There are two discharge ports (8) on the bottom side near the screen plate (3) of the shell (1) from top to bottom. A first discharge plate (9) extending out of the discharge port (8) is installed at the bottom of the limiting groove (2) near the material gap. A second discharge plate (10) extending to the bottom discharge port (8) on the bottom side away from the screen plate (3) is installed at the bottom of the first discharge plate (9).

6. A potassium nitrate screening device according to claim 5, characterized in that: The screening device includes a receiving mechanism, which includes a receiving trough (11). A set of support frames (12) are installed on both the left and right sides of the base (7). A support plate (13) is installed on the support frame (12). A limit rod (14) is installed on the support plate (13). Limit sleeves (15) fitted on the limit rod (14) are installed at both ends of the receiving trough (11). The receiving trough (11) is located below the first discharge plate (9) and the second discharge plate (10).

7. A potassium nitrate screening device according to claim 1, characterized in that: A feed cover (103) is installed on the feed inlet (101).

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