Centrifugal automatic leaching system for chlorfenapyr preparation

By designing a centrifugal automatic rinse system for preparation of nitrile, the problem of adherence to the drum after centrifugation is solved, and the product yield and quality stability is ensured, and the material loss and moisture content are increased are avoided.

CN222872429UActive Publication Date: 2025-05-16LANZHOU ZHAOFENG CHEMICAL TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421516587.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-29
Publication Date
2025-05-16
Estimated Expiration
2034-06-29

AI Technical Summary

Technical Problem

Existing centrifugal washing equipment is prone to adhere to the drum after the material is centrifuged, resulting in the material being unable to be discharged in time, reducing product yield, and may deteriorate due to long-term staying and affecting product quality. 同时,物料在离心初期未得到有效分离可能飞溅到下料孔内,造成物料流失或增加物料含湿量,影响产品质量。

Method used

A centrifugal automatic leaching system for preparation of nitrile is designed, including components such as kettle body, screen drum, pushing plate and scraper. Through the control of the electric gate valve and the lifting and lowering movement of the scraper, ensure that the material can be pushed out of the screen drum in time, and through the design of the spray ring and rinse water outlet, avoid material loss and increase moisture content.

Benefits of technology

It effectively solves the problem that the material adheres to the drum after centrifugation and cannot be discharged in time, improves product yield, ensures the stability of product quality, and avoids the problems of material loss and moisture content.

✦ Generated by Eureka AI based on patent content.

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Abstract

The centrifugal automatic leaching system comprises a kettle body, a screen drum is installed in the middle of an inner cavity of the kettle body, the top of the screen drum is provided with an opening end, the screen drum is fixedly connected to the top end of a hollow rotating shaft, and the hollow rotating shaft penetrates through the kettle bottom of the kettle body in the vertical direction and then is rotationally installed in a supporting frame; the bottom of the screen drum is provided with two open holes which are symmetrically arranged left and right, electric gate valves are respectively mounted in the open holes, a plurality of material pushing plates and a pore plate are sequentially arranged below the screen drum, and the plurality of material pushing plates are circumferentially distributed around the hollow rotating shaft; a liftable scraping plate is mounted in the kettle body and is arranged in the horizontal direction, one end part of the scraping plate is connected with the inner wall of the screen drum in a sliding manner, and the scraping plate is fixedly connected with the head part of the telescopic cylinder. According to the centrifugal machine, the problem that materials are adhered to the interior of the rotary drum after being centrifuged and cannot be discharged in time can be solved, the yield of products is ensured, the problems that the materials are lost or the moisture content of the materials is increased are avoided, and the quality of the products is ensured.
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Description

Technical Field

[0001] The utility model relates to a centrifugal automatic elution system for preparing chlorfenapyr, belonging to the technical field of centrifugal water washing. Background Art

[0002] Centrifugal washing is a material separation method that combines centrifugal action with water flow. In the process of preparing high-purity materials, centrifugal washing can remove impurities and stains on the surface of the material and improve the purity of the material. Chlorfenapyr, also known as chlorfenapyr, is a white crystalline powder. During the preparation of chlorfenapyr, its crystals need to be centrifuged and washed. After centrifugal washing, the finished product chlorfenapyr is obtained by drying.

[0003] The centrifugal washing equipment in the prior art can be divided into upper discharging centrifugal washing equipment and lower discharging centrifugal washing equipment according to the discharging method. Patent No. CN202123184027.5 discloses a lower discharging centrifuge anti-piling device, including a centrifuge bottom plate, a bearing seat, a drum and a scraper plate, a discharge barrel is vertically arranged in the centrifuge bottom plate, the bearing seat is arranged in the discharge barrel, and several reinforcing rib plates are arranged between the inner wall of the discharge barrel and the outer wall of the bearing seat, an upwardly extending rotating shaft is arranged in the bearing seat, the drum is arranged on the rotating shaft, and a discharge hole located above the discharge barrel is arranged at the bottom of the drum.

[0004] The centrifugal device disclosed in the above patent realizes the centrifugal function and avoids the problem of material stacking. However, the device still has the following shortcomings during specific use:

[0005] 1. There is an upward cone at the center of the drum, in which a bearing seat and a rotating shaft are installed. After centrifugation, some materials will adhere to the outer surface of the cone. If these materials cannot be discharged in time, it will not only reduce the yield of the product, but also affect the quality of the product due to long-term retention and deterioration.

[0006] 2. Some materials are not effectively separated in the early stage of centrifugation and splash into the discharge hole, causing material loss or increasing the moisture content of the material, affecting the quality of the product.

[0007] In summary, the prior art obviously has inconveniences and defects in practical use, so it is necessary to improve it. Utility Model Content

[0008] The utility model aims at the deficiencies in the background technology and provides a centrifugal automatic elution system for preparing chlorfenapyr, which can solve the problem that the material adheres to the drum after centrifugation and cannot be discharged in time, thereby ensuring the yield of the product, avoiding the problem of material loss or increasing the moisture content of the material, and ensuring the quality of the product.

[0009] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0010] The centrifugal automatic elution system for preparing chlorfenapyr comprises a kettle body, a sieve drum is installed in the middle of the inner cavity of the kettle body, an open end is arranged on the top of the sieve drum, the sieve drum is fixed to the top of a hollow rotating shaft, and the hollow rotating shaft passes through the bottom of the kettle body in a vertical direction and is rotatably installed in a supporting frame;

[0011] The bottom of the screen drum is provided with two openings symmetrically arranged on the left and right, and electric gate valves are respectively installed in the openings. A push plate and a hole plate are arranged in sequence below the screen drum. There are multiple push plates, and the multiple push plates are distributed in a circle around the hollow rotating shaft.

[0012] A liftable scraper is installed inside the kettle body, the scraper is arranged in the horizontal direction, one end of the scraper is slidably connected to the inner wall of the screen drum, and the scraper is fixedly connected to the head of the telescopic cylinder.

[0013] Furthermore, the support frame is fixedly connected to the bottom of the kettle body, and a bearing seat arranged up and down is installed inside the support frame. The hollow rotating shaft is passed through the bearing seat, and the bearing seat rotatably supports the hollow rotating shaft.

[0014] Furthermore, a transmission wheel is installed on the main body of the hollow rotating shaft, and the transmission wheel is transmission-connected to the driving motor.

[0015] Furthermore, a crystallization outlet is provided on the side of the rotating area of ​​the pusher plate, the crystallization outlet is opened on the side wall of the kettle body, and a switch valve is installed at the crystallization outlet.

[0016] Furthermore, the periphery of the orifice plate is fixedly connected to the inner wall of the kettle body, and the upper surface of the orifice plate is arranged close to the pushing plate.

[0017] Furthermore, a feed pipe coaxially arranged therewith is installed on the top of the inner cavity of the kettle body, and a spray ring pipe is arranged outside the outlet end of the feed pipe. The spray ring pipe is connected to a spray straight pipe arranged along the vertical direction, and the spray straight pipe is fixedly connected to the top of the kettle body.

[0018] Furthermore, the length of the scraper is greater than the radius of the kettle body.

[0019] Furthermore, the cylinder body of the telescopic cylinder is fixedly connected to the top of the kettle body in the vertical direction, and when the piston rod of the telescopic cylinder is extended to the maximum distance, the scraper plate abuts against the bottom wall of the screen drum.

[0020] Furthermore, a rinse water outlet is provided on one side of the bottom of the inner cavity of the kettle.

[0021] Furthermore, a plurality of supports distributed in a circumference are fixedly connected to the outer wall of the kettle body.

[0022] Compared with the prior art, the utility model has the following advantages after adopting the above technical solution:

[0023] When discharging, the electric gate valve opens, and the telescopic cylinder drives the scraper to move. The scraper can be slidably connected with the inner wall of the screen drum and can also abut against the bottom wall of the screen drum. Therefore, all the materials on the inner wall and the bottom wall of the screen drum can be pushed out by the electric gate valve, which solves the problem that the materials will adhere to the drum and cannot be discharged in time after centrifugation. The crystals after being pushed out fall above the orifice plate, and are pushed out of the equipment under the action of the push plate.

[0024] The utility model will not cause the problem of material loss or increase in material moisture content during the centrifugal separation process, thereby ensuring the quality of the product.

[0025] The utility model is described in detail below with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a structural schematic diagram of the utility model;

[0027] Figure 2 It is a schematic diagram of the internal structure of the utility model.

[0028] In the figure, 1-kettle body, 2-sieve drum, 3-hollow rotating shaft, 4-support frame, 5-bearing seat, 6-driving wheel, 7-electric gate valve, 8-push plate, 9-orifice plate, 10-crystallization outlet, 11-feed pipe, 12-spray ring pipe, 13-spray straight pipe, 14-scraper, 15-telescopic cylinder, 16-rinsing water outlet, 17-support. DETAILED DESCRIPTION

[0029] In order to have a clearer understanding of the technical features, purposes and effects of the utility model, the specific implementation methods of the utility model are now described with reference to the accompanying drawings.

[0030] like Figure 1 and Figure 2 As shown together, the utility model provides a centrifugal automatic elution system for preparing chlorfenapyr, including a kettle body 1, a sieve drum 2 is installed in the middle of the inner cavity of the kettle body 1, an open end is provided on the top of the sieve drum 2, the sieve drum 2 is fixed to the top of the hollow rotating shaft 3, and the hollow rotating shaft 3 passes through the bottom of the kettle body 1 in a vertical direction and is rotatably installed in a support frame 4.

[0031] The support frame 4 is fixedly connected to the bottom of the kettle body 1 , and a bearing seat 5 is installed inside the support frame 4 , and the hollow shaft 3 is passed through the bearing seat 5 , and the bearing seat 5 supports the hollow shaft 3 for rotation.

[0032] A transmission wheel 6 is installed on the main body of the hollow rotating shaft 3 , and the transmission wheel 6 is transmission-connected to a driving motor, and the driving motor provides power for the high-speed rotation of the screen drum 2 .

[0033] The bottom of the screen drum 2 is provided with two openings which are symmetrically arranged on the left and right sides. Electric gate valves 7 are respectively installed in the openings to ensure uniform weight distribution. The circuit of the electric gate valves 7 is passed through the interior of the hollow rotating shaft 3.

[0034] A push plate 8 and a perforated plate 9 are sequentially arranged below the screen drum 2. There are multiple push plates 8, which are distributed in a circle around the hollow rotating shaft 3, and the hollow rotating shaft 3 drives it to rotate.

[0035] A crystallization outlet 10 is provided at the side of the rotating area of ​​the push plate 8 . The crystallization outlet 10 is opened on the side wall of the kettle body 1 , and a switch valve is installed at the crystallization outlet 10 .

[0036] The periphery of the orifice plate 9 is fixedly connected to the inner wall of the kettle body 1 , and the upper surface of the orifice plate 9 is arranged close to the pusher plate 8 .

[0037] A feed pipe 11 coaxially arranged therewith is installed on the top of the inner cavity of the kettle body 1 , and a spray ring pipe 12 is arranged outside the outlet end of the feed pipe 11 . The spray ring pipe 12 is connected to a spray straight pipe 13 arranged along the vertical direction, and the spray straight pipe 13 is fixedly connected to the top of the kettle body 1 .

[0038] A liftable scraper 14 is installed inside the kettle body 1. The scraper 14 is arranged in the horizontal direction. One end of the scraper 14 is slidably connected to the inner wall of the screen drum 2. The length of the scraper 14 is greater than the radius of the kettle body 1. The scraper 14 is fixedly connected to the head of the telescopic cylinder 15.

[0039] The cylinder body of the telescopic cylinder 15 is fixedly connected to the top of the kettle body 1 in the vertical direction. When the piston rod of the telescopic cylinder 15 is extended to the maximum distance, the scraper 14 abuts against the bottom wall of the screen drum 2.

[0040] A rinse water outlet 16 is provided on one side of the bottom of the inner cavity of the kettle body 1 .

[0041] A plurality of supports 17 distributed in a circumference are fixedly connected to the outer wall of the kettle body 1 .

[0042] The specific working principle of this utility model:

[0043] The chlorfenapyr crystal material enters the screen drum 2 from the feed pipe 11, and the driving motor drives the screen drum 2 to rotate at a high speed through the hollow rotating shaft 3. The material is subjected to the centrifugal force and gathers toward the outer wall of the screen drum 2. At the same time, the spray ring 12 sprays the material. The force of the water flow will wash away the stains and impurities on the surface of the material, causing them to detach from the surface of the material and be carried away by the water. The water mixed with stains and impurities passes through the orifice plate 9 and is output from the rinsing water outlet 16; after completing the rinsing action, the electric gate valve 7 is opened, and the telescopic cylinder 15 drives the scraper 14 to move. The scraper 14 can be slidably connected to the inner wall of the screen drum 2 and can also abut against the bottom wall of the screen drum 2. Therefore, all the materials on the inner wall and the bottom wall of the screen drum 2 can be pushed out by the electric gate valve 7, and the pushed crystals fall above the orifice plate 9. The push plate 8 above the orifice plate 9 rotates with the hollow rotating shaft 3, thereby pushing the material out from the crystallization outlet 10.

[0044] The above is an example of the best implementation of the utility model, and the parts not described in detail are common knowledge of ordinary technicians in this field. The protection scope of the utility model is based on the content of the claims, and any equivalent transformation based on the technical inspiration of the utility model is also within the protection scope of the utility model.

Claims

1. A centrifugal automatic elution system for preparing chlorfenapyr, characterized in that: The kettle body (1) comprises a sieve drum (2) installed in the middle of the inner cavity of the kettle body (1), the top of the sieve drum (2) is provided with an open end, the sieve drum (2) is fixedly connected to the top of a hollow rotating shaft (3), and the hollow rotating shaft (3) passes through the bottom of the kettle body (1) in a vertical direction and is then rotatably installed in a support frame (4); The bottom of the screen drum (2) is provided with two openings symmetrically arranged on the left and right, and electric gate valves (7) are respectively installed in the openings. A push plate (8) and a hole plate (9) are sequentially arranged below the screen drum (2). There are a plurality of push plates (8), and the plurality of push plates (8) are distributed in a circular shape around the hollow rotating shaft (3); A scraper (14) that can be raised and lowered is installed inside the kettle body (1). The scraper (14) is arranged in the horizontal direction. One end of the scraper (14) is slidably connected to the inner wall of the screen drum (2). The scraper (14) is fixedly connected to the head of the telescopic cylinder (15).

2. The centrifugal automatic elution system for preparing chlorfenapyr according to claim 1, characterized in that: The support frame (4) is fixedly connected to the bottom of the kettle body (1), and a bearing seat (5) arranged up and down is installed inside the support frame (4). The hollow rotating shaft (3) is inserted into the bearing seat (5), and the bearing seat (5) rotatably supports the hollow rotating shaft (3).

3. The centrifugal automatic elution system for preparing chlorfenapyr according to claim 2, characterized in that: A transmission wheel (6) is mounted on the main body of the hollow rotating shaft (3), and the transmission wheel (6) is in transmission connection with the driving motor.

4. The centrifugal automatic elution system for preparing chlorfenapyr according to claim 1, characterized in that: A crystallization outlet (10) is provided on the side of the rotating area of ​​the push plate (8), the crystallization outlet (10) is opened on the side wall of the kettle body (1), and a switch valve is installed at the crystallization outlet (10).

5. The centrifugal automatic elution system for preparing chlorfenapyr according to claim 1, characterized in that: The periphery of the orifice plate (9) is fixedly connected to the inner wall of the kettle body (1), and the upper surface of the orifice plate (9) is arranged close to the push plate (8).

6. The centrifugal automatic elution system for preparing chlorfenapyr according to claim 1, characterized in that: A feed pipe (11) is coaxially arranged at the top of the inner cavity of the kettle body (1), and a spray ring pipe (12) is arranged outside the outlet end of the feed pipe (11). The spray ring pipe (12) is connected to a spray straight pipe (13) arranged in a vertical direction, and the spray straight pipe (13) is fixedly connected to the top of the kettle body (1).

7. The centrifugal automatic elution system for preparing chlorfenapyr according to claim 1, characterized in that: The length dimension of the scraper (14) is greater than the radius dimension of the kettle body (1).

8. The centrifugal automatic elution system for preparing chlorfenapyr according to claim 1, characterized in that: The cylinder body of the telescopic cylinder (15) is fixedly connected to the top of the kettle body (1) in the vertical direction. When the piston rod of the telescopic cylinder (15) is extended to the maximum distance, the scraper (14) abuts against the bottom wall of the screen drum (2).

9. The centrifugal automatic elution system for preparing chlorfenapyr according to claim 1, characterized in that: A rinse water outlet (16) is provided on one side of the bottom of the inner cavity of the kettle body (1).

10. The centrifugal automatic elution system for preparing chlorfenapyr according to claim 1, characterized in that: A plurality of supports (17) distributed in a circumference are fixedly connected to the outer wall of the kettle body (1).

Citation Information

Patent Citations

  • Anti-stockpiling device of lower discharging centrifugal machine

    CN216988118U