Automatic impurity removal filter device in sodium dichromate continuous crystallization production

Abstract

The utility model discloses a kind of automatic impurity removal filter equipment in sodium dichromate continuous crystallization production, including filter box, the top of the filter box is connected with feed hopper, the bottom of the filter box is connected with discharge pipe, adjusting plate is inserted and connected and installed in the inside of the discharge pipe, the upper portion of the filter box inner chamber is installed with filter frame, the middle part of the filter frame is embedded and installed with coarse filter screen, the bottom of the coarse filter screen is installed with vibration motor.The utility model realizes two-stage filtration by setting coarse filter screen and fine filter plate, simultaneously, vibration motor is used to drive coarse filter screen vibration, driving motor is used to drive impact plate to make fine filter plate vibrate, effectively prevent filter material blockage, significantly improve the filtration speed and efficiency, meet the continuous production demand, two-stage filtration structure cooperates vibration cleaning function, can effectively intercept different particle size impurities, improve filtration precision, ensure the stability of sodium dichromate product quality.

Description

Technical Field

[0001] This utility model relates to the field of chemical production technology, specifically to an automatic impurity removal and filtration device for the continuous crystallization production of sodium dichromate. Background Technology

[0002] Sodium dichromate is an important chemical raw material widely used in industries such as printing and dyeing, electroplating, and pharmaceuticals. In the production of sodium dichromate, the crystallization process is one of the key steps. However, the crystallized material often contains small amounts of impurities, which need to be separated and purified using filtration equipment.

[0003] Currently, most of the filtration equipment used in the continuous crystallization production of sodium dichromate is single-stage filtration, and the filter media is prone to clogging, resulting in slow filtration speed and unstable filtration effect. Due to the lack of an effective vibration structure, impurities on the surface of the filter media are prone to accumulate, leading to a decrease in filtration accuracy and affecting product quality. Utility Model Content

[0004] The purpose of this invention is to provide an automatic impurity removal and filtration device for the continuous crystallization production of sodium dichromate, which has the advantages of vibration filtration and is not easily clogged.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an automatic impurity removal and filtration device for continuous crystallization production of sodium dichromate, comprising a filter box, a feed hopper connected to the top of the filter box, a discharge pipe connected to the bottom of the filter box, an adjusting plate inserted into the discharge pipe, a filter frame installed above the inner cavity of the filter box, a coarse filter screen embedded in the middle of the filter frame, a vibration motor installed at the bottom of the coarse filter screen, a fine filter plate installed inside the filter box and below the vibration motor, a drive motor installed on the back of the filter box, a drive gear fixedly installed on the output shaft of the drive motor, a driven gear meshing at the bottom of the drive gear, a rotating shaft installed on the front of the driven gear, the front end of the rotating shaft extending into the interior of the filter box and having an impact plate installed on its surface, the impact plate being located below the fine filter plate, connecting blocks installed at both ends of the bottom of the fine filter plate, and a connecting plate installed at the lower end of the connecting blocks.

[0006] As a preferred embodiment, a fixing frame is installed on both sides of the lower part of the filter box cavity, and a buffer spring is installed at both the front and rear ends of the bottom of the fixing frame cavity, with the upper end of the buffer spring connected to the bottom of the connecting plate.

[0007] As a preferred embodiment, a first guide plate is obliquely installed on both sides of the inner cavity of the filter box and above the fine filter plate, the longitudinal length of the first guide plate being the same as the width of the fine filter plate.

[0008] As a preferred embodiment, a second guide plate is fixedly installed on the bottom of both sides of the inner cavity of the filter box, and the inner end of the second guide plate extends to the edge of the discharge port at the upper end of the discharge pipe.

[0009] As a preferred embodiment, the filter box has transverse moving grooves on both the upper and lower sides of its front side. A sealing baffle is fixedly installed on the outside of the transverse moving groove by a transverse moving block. The sealing baffle is slidably installed outside the operation port on the front side of the filter box.

[0010] As a preferred embodiment, the filter box is fixedly installed with support legs on all four sides of its bottom, and the inner wall of the fixed frame cavity is connected to one side of the connecting plate through a limiting slider.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0012] 1. This utility model achieves two-stage filtration by setting up a coarse filter screen and a fine filter plate. At the same time, a vibration motor drives the coarse filter screen to vibrate, and a drive motor drives the impact plate to vibrate the fine filter plate, which effectively prevents the filter media from clogging, significantly improves the filtration speed and efficiency, meets the needs of continuous production, and the two-stage filtration structure combined with the vibration cleaning function can effectively intercept impurities of different particle sizes, improve filtration accuracy, and ensure the stability of sodium dichromate product quality.

[0013] 2. This utility model, by tilting the first guide plate, can accurately guide the material after coarse filtration to the effective filtration area of ​​the fine filter plate, avoiding material overflow or deviation from the filtration range, ensuring that the filtration area of ​​the fine filter plate is fully utilized, and increasing the material processing capacity per unit time.

[0014] The inner end of the second guide plate extends to the edge of the discharge port at the top of the discharge pipe, forming a complete guiding channel for the finely filtered material. This guides the material smoothly into the discharge pipe, minimizing material retention at the bottom of the filter box, reducing material waste, and improving resource utilization. Attached Figure Description

[0015] Figure 1 This is a first-person perspective structural perspective view of the present invention;

[0016] Figure 2 This is a second-view perspective structural perspective view of the present invention;

[0017] Figure 3 This is a partial structural cross-sectional view of the present invention;

[0018] Figure 4 This is a structural diagram of the internal structure of the filter box of this utility model;

[0019] Figure 5 This is a schematic diagram of the internal structure of the fixing frame of this utility model.

[0020] In the diagram: 1. Filter box; 2. Feed hopper; 3. Discharge pipe; 4. Adjusting plate; 5. Filter frame; 6. Coarse filter screen; 7. Fine filter plate; 8. Drive motor; 9. Drive gear; 10. Driven gear; 11. Rotating shaft; 12. Impact plate; 13. First guide plate; 14. Fixing frame; 15. Buffer spring; 16. Connecting plate; 17. Connecting block; 18. Lateral movement groove; 19. Sealing baffle; 20. Support leg. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.

[0023] Example 1:

[0024] Please see Figure 1 As shown, this utility model provides an automatic impurity removal and filtration device for continuous crystallization production of sodium dichromate, including a filter box 1. The top of the filter box 1 is connected to a feed hopper 2, and the bottom of the filter box 1 is connected to a discharge pipe 3. An adjusting plate 4 is inserted and installed inside the discharge pipe 3. A filter frame 5 is installed above the inner cavity of the filter box 1. A coarse filter screen 6 is embedded in the middle of the filter frame 5. A vibration motor is installed at the bottom of the coarse filter screen 6. A fine filter plate 7 is installed inside the filter box 1 and below the vibration motor. A drive motor 8 is installed on the back of the filter box 1. A drive gear 9 is fixedly installed on the output shaft of the drive motor 8. A driven gear 10 meshes with the bottom of the drive gear 9. A rotating shaft 11 is installed on the front of the driven gear 10. The front end of the rotating shaft 11 extends into the interior of the filter box 1 and an impact plate 12 is installed on its surface. The impact plate 12 is located below the fine filter plate 7. Connecting blocks 17 are installed at both ends of the bottom of the fine filter plate 7. A connecting plate 16 is installed at the lower end of the connecting blocks 17.

[0025] This technical solution uses a coarse filter screen 6 and a fine filter plate 7 to achieve two-stage filtration. At the same time, a vibration motor drives the coarse filter screen 6 to vibrate, and a drive motor 8 drives the impact plate 12 to vibrate the fine filter plate 7. This effectively prevents the filter media from clogging, significantly improves the filtration speed and efficiency, meets the needs of continuous production, and the two-stage filtration structure combined with the vibration cleaning function can effectively intercept impurities of different particle sizes, improve filtration accuracy, and ensure the stability of sodium dichromate product quality.

[0026] Example 2:

[0027] Based on Embodiment 1, this utility model is as follows: Figure 5 As shown, a fixing bracket 14 is installed on both sides of the lower part of the inner cavity of the filter box 1. A buffer spring 15 is installed at both the front and rear ends of the bottom of the inner cavity of the fixing bracket 14. The upper end of the buffer spring 15 is connected to the bottom of the connecting plate 16.

[0028] Adopting such Figure 1 The technical solution shown shows that the buffer spring 15 can effectively absorb the vibration energy generated when the fine filter plate 7 is impacted, reduce the impact force of vibration on the filter box 1 and other components, reduce the overall wear of the equipment, and extend the service life. By elastically supporting and buffering vibration, it can prevent the filter material displacement or deformation caused by the severe shaking of the fine filter plate 7, ensure uniform filtration gap, and maintain stable filtration accuracy.

[0029] Secondly, in the technical solution, a first guide plate 13 is installed obliquely on both sides of the inner cavity of the filter box 1 and above the fine filter plate 7. The longitudinal length of the first guide plate 13 is the same as the width of the fine filter plate 7. A second guide plate is fixedly installed at the bottom of both sides of the inner cavity of the filter box 1, and the inner end of the second guide plate extends to the edge of the discharge port at the upper end of the discharge pipe 3.

[0030] Its adoption is as follows Figure 1 The technical solution shown has a first guide plate 13 that is installed at an angle, which can accurately guide the material that has been coarsely filtered to the effective filtration area of ​​the fine filter plate 7, avoid material overflow or deviation from the filtration range, ensure that the filtration area of ​​the fine filter plate 7 is fully utilized, and increase the material processing capacity per unit time.

[0031] The inner end of the second guide plate extends to the edge of the discharge port at the upper end of the discharge pipe 3, which can form a complete guiding channel for the finely filtered material, guide the material to flow smoothly into the discharge pipe 3, minimize the retention of material at the bottom of the filter box 1, reduce material waste, and improve resource utilization.

[0032] Example 3:

[0033] This utility model is as follows Figures 1-4As shown, the filter box 1 has horizontal moving grooves 18 on both the upper and lower sides of the front. A sealing baffle 19 is fixedly installed on the outside of the horizontal moving groove 18 by a horizontal moving block. The sealing baffle 19 is slidably installed outside the operation port on the front of the filter box 1. Support legs 20 are fixedly installed on all four sides of the bottom of the filter box 1. The inner wall of the inner cavity of the fixing frame 14 is connected to one side of the connecting plate 16 by a limiting slider.

[0034] By adopting the above technical solution, the sliding fit structure between the transverse moving groove 18 and the sealing baffle 19 allows the operator to quickly push and pull the sealing baffle 19 to open or close the operation port on the front of the filter box 1. Impurities can be cleaned or maintained on the coarse filter screen 6 and fine filter plate 7 inside without complicated disassembly, which greatly shortens downtime and improves production continuity. The inner cavity of the fixed frame 14 is connected to the connecting plate 16 through the limiting slider, which can accurately guide and limit the up and down vibration of the connecting plate 16, prevent the connecting plate 16 from shaking and shifting, and ensure that the fine filter plate 7 maintains a stable filtration posture during vibration, thus ensuring filtration accuracy.

[0035] The working principle of this utility model is as follows: The sodium dichromate crystal material to be filtered enters the filter box 1 through the feed hopper 2. First, the material falls onto the coarse filter screen 6. The vibration motor at the bottom drives the coarse filter screen 6 to vibrate and perform preliminary filtration of the material, intercepting larger particles of impurities. The material after preliminary filtration falls through the coarse filter screen 6. The falling material is guided by the first guide plate 13 to the fine filter plate 7. The fine filter plate 7 performs secondary fine filtration of the material to remove fine impurities. At this time, the drive motor 8 starts, and through the meshing transmission of the drive gear 9 and the driven gear 10, it drives the rotating shaft 11 and the impact plate 12 to rotate. The impact plate 12 periodically... The impact causes the fine filter plate 7 to vibrate, preventing fine impurities from clogging the filter holes. When the fine filter plate 7 vibrates, the connecting plate 16 compresses the buffer spring 15, and the elasticity of the buffer spring 15 buffers the vibration. The pure material after fine filtration enters the discharge pipe 3 under the guidance of the second guide plate. The discharge speed can be controlled by adjusting the insertion depth of the adjusting plate 4 on the discharge pipe 3. When it is necessary to clean impurities, the sliding sealing baffle 19 slides along the transverse moving groove 18 to open the operation port. The impurities trapped on the coarse filter screen 6 and the fine filter plate 7 are cleaned through the operation port. After cleaning, the sealing baffle 19 is closed and production can continue.

[0036] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit the scope of protection of this utility model. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the essence and scope of the technical solutions of this utility model.

Claims

1. An automatic impurity removal filter device in the continuous crystallization production of sodium dichromate, comprising a filter box (1), characterized in that: The top of the filter box (1) is connected to a feed hopper (2), and the bottom of the filter box (1) is connected to a discharge pipe (3). An adjusting plate (4) is inserted into the discharge pipe (3). A filter frame (5) is installed above the inner cavity of the filter box (1). A coarse filter screen (6) is embedded in the middle of the filter frame (5). A vibration motor is installed at the bottom of the coarse filter screen (6). A fine filter plate (7) is installed inside the filter box (1) and below the vibration motor. A drive motor (8) is installed on the back of the filter box (1). The output shaft of the drive motor (8) is fixedly mounted with a drive gear (9), and a driven gear (10) meshes with the bottom of the drive gear (9). A rotating shaft (11) is mounted on the front of the driven gear (10). The front end of the rotating shaft (11) extends into the interior of the filter box (1) and an impact plate (12) is mounted on its surface. The impact plate (12) is located below the fine filter plate (7). Connecting blocks (17) are mounted at both ends of the bottom of the fine filter plate (7), and a connecting plate (16) is mounted at the lower end of the connecting block (17).

2. The automatic impurity removal filter device in the continuous crystallization production of sodium dichromate according to claim 1, characterized in that: The filter box (1) has a fixing frame (14) installed on both sides below the inner cavity. The fixing frame (14) has a buffer spring (15) installed at both the front and rear ends of the bottom of the inner cavity. The upper end of the buffer spring (15) is connected to the bottom of the connecting plate (16).

3. The automatic impurity removal filter device in the continuous crystallization production of sodium dichromate according to claim 1, characterized in that: The first guide plate (13) is installed obliquely on both sides of the inner cavity of the filter box (1) and above the fine filter plate (7). The longitudinal length of the first guide plate (13) is the same as the width of the fine filter plate (7).

4. The automatic impurity removal filter device in the continuous crystallization production of sodium dichromate according to claim 1, characterized in that: The bottom of both sides of the inner cavity of the filter box (1) is fixedly installed with a second guide plate, and the inner end of the second guide plate extends to the edge of the discharge port at the upper end of the discharge pipe (3).

5. The automatic impurity removal filter device in the continuous crystallization production of sodium dichromate according to claim 1, characterized in that: The filter box (1) has horizontal moving grooves (18) on both the upper and lower sides of the front. A sealing baffle (19) is fixedly installed on the outside of the horizontal moving groove (18) by a horizontal moving block. The sealing baffle (19) is slidably installed outside the operation port on the front of the filter box (1).

6. The automatic impurity removal filter device in the continuous crystallization production of sodium dichromate according to claim 2, characterized in that: The filter box (1) is fixedly installed with support legs (20) around its bottom. The inner wall of the fixed frame (14) is connected to one side of the connecting plate (16) through a limiting slider.

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