Crystallization filtering device for pesticide production

By designing a rotary filtration mechanism and a discharge mechanism within the heating chamber, the continuity of crystallization filtration in pesticide production was achieved, production efficiency was improved, and the problem of low production efficiency in existing technologies was solved.

CN223914722UActive Publication Date: 2026-02-17SHANXI DINGSHENGYUAN PLANT PROTECTION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520515659.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-24
Publication Date
2026-02-17
Estimated Expiration
2035-03-24

AI Technical Summary

Technical Problem

Existing pesticide production facilities lack continuity in the crystallization and filtration process, resulting in low production efficiency.

Method used

A crystallization filtration device including a heating chamber, a filtration mechanism and a discharge mechanism was designed. The rotating shaft is driven by a servo motor, and the crystallized solute is collected by a scooping frame and a filter screen. The solute is continuously slid down and stored through a collection box and a discharge shell.

Benefits of technology

It achieves continuous crystallization filtration, improves production efficiency, and solves the problem of low production efficiency in existing technologies.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a crystallizing and filtering device for pesticide production, relates to the technical field of filtering devices, and provides the following scheme aiming at the problems of no crystallizing and filtering continuity and low production efficiency in the prior art: the crystallizing and filtering device comprises a heating bin, the tops of the inner walls of the two sides of the heating bin are rotatably connected with filtering mechanisms, and the filtering mechanisms are arranged in the heating bin. The filtering mechanism comprises a rotating shaft and connecting assemblies annularly welded and fixed to the outer wall of the rotating shaft at equal intervals. When solute crystals of a solution in the heating bin are separated out, the filtering mechanism is matched to rotate in the heating bin, the salvage frame rotates in the heating bin, the separated crystal solute is collected on one side of the filter screen of the salvage frame, and crystals in the salvage frame slide outwards from the opening along the inner wall along with the gradual upward movement of the salvage frame. The sliding crystals fall into the collecting box and slide in the collecting box and the discharging shell, and finally the crystals are stored through a storage object arranged at the bottom of the discharging shell.
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Description

Technical Field

[0001] This utility model relates to the field of filtration device technology, and in particular to a crystallization filtration device for pesticide production. Background Technology

[0002] With the rapid development of the chemical industry, various pesticides have been invented and produced, and applied to various agricultural production processes. Pesticides can protect crops from pests and diseases, and increase crop yields. Therefore, pesticides are widely produced and processed. In the synthesis and production of pesticides, the chemical synthesis of harmful organisms' metabolism, growth, development, and reproduction processes, or the production of one or more substances and their preparations derived from organisms, other natural products, or biotechnology, are typically dried and cooled into powder form to obtain the finished pesticide product.

[0003] In the production of powdered pesticides, it is often necessary to crystallize and filter the pesticide slurry. The crystallization methods include heating and evaporation crystallization, which involves heating and evaporating the solvent to make the solution supersaturated, thereby promoting the crystallization of the solute.

[0004] A search revealed a patent (application number: 202420456367.3) that discloses a "crystallization and filtration device for pesticide production". This device integrates crystallization and filtration, improving both cooling and crystallization efficiency, and achieving both cooling and stirring effects. Furthermore, the crystals are not left behind and are easily discharged. However, the crystallization and filtration method of this device requires batch processing, and the next batch can only be processed after the solute in the solution in the tank has completely precipitated. Therefore, it lacks the continuity of crystallization and filtration, resulting in low production efficiency. Utility Model Content

[0005] In view of the shortcomings of the prior art, this utility model provides a crystallization filtration device for pesticide production, which overcomes the shortcomings of the prior art and effectively solves the problems of the lack of continuity of crystallization filtration and low production efficiency in the prior art.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A crystallization filtration device for pesticide production includes a heating chamber. A filtration mechanism is rotatably connected to the top of the inner walls on both sides of the heating chamber. The filtration mechanism includes a rotating shaft, a connecting component welded and fixed to the outer wall of the rotating shaft at equal intervals along a ring, and a retrieval frame connected to the end of the connecting component away from the rotating shaft. The connecting component includes an I-shaped block, insert blocks that are movable on both sides of one end of the I-shaped block, and a connecting rod welded and fixed between the two insert blocks. A discharge mechanism is connected to one side of the top of the heating chamber. The discharge mechanism includes a collection box, a discharge shell that is inserted and fixed to one bottom end of the collection box, and insert rods welded and fixed to both sides of the other bottom end of the collection box.

[0008] Solution is added to the heating chamber through the liquid addition hopper. The heating chamber heats and evaporates the solution, causing the solute in the solution to crystallize and precipitate. In conjunction with the servo motor driving the rotating shaft, the filtration mechanism rotates within the heating chamber. As the retrieval frame rotates within the heating chamber, it collects the precipitated crystallized solute on one side of the retrieval frame's filter screen. As the retrieval frame gradually moves upward, the crystals within the retrieval frame slide outward from the opening along the inner wall. The sliding crystals fall into the collection box and slide within the collection box and the discharge shell, and are finally stored in the storage items located at the bottom of the discharge shell.

[0009] Preferably, support columns are welded and fixed to the four bottom corners of the heating chamber, and I-beams are welded and fixed to the bottom of each of the four support columns, with casters installed and fixed to the four bottom corners of the I-beams.

[0010] The heating chamber is easily supported and moved by the set support columns, I-beam frame and casters.

[0011] Preferably, a fixing plate is welded and fixed to one end of the top of the heating chamber, and a liquid addition hopper is inserted and fixed to the top of the outer wall of one side of the fixing plate.

[0012] The fixed plate and liquid addition hopper facilitate the addition of solution into the heating chamber.

[0013] Preferably, a servo motor is installed and fixed on one side of the outer wall of the heating chamber, and the output shaft of the servo motor is connected and fixed to one end of the rotating shaft through a coupling.

[0014] A servo motor drives the rotating shaft to rotate, causing the filter mechanism to rotate within the heating chamber.

[0015] Preferably, a filter screen is fixed to the bottom of the inner wall of the retrieval frame, and an opening is provided at one end of the outer wall of one side of the retrieval frame. A slot is provided at the other end of the outer wall of one side of the retrieval frame to form a plug-in fit with the plug block. Screw holes are provided at the top of the slot and the top of the plug block. The slot and the plug block are fastened together by bolts screwed into the screw holes.

[0016] As the retrieval frame rotates inside the heating chamber, the precipitated crystalline solute is collected on one side of the filter screen of the retrieval frame. As the retrieval frame gradually moves upward, the crystals inside the retrieval frame slide outward from the opening along the inner wall.

[0017] Preferably, both sides of one end of the I-shaped block are provided with grooves that form an insertion fit with the insert block, and one end of the inner wall of both sides of the I-shaped block is provided with a sliding groove that communicates with the groove, and the sliding groove forms a sliding fit with the connecting rod.

[0018] The insertion block can be extended or retracted within the groove by moving the connecting rod along the slide.

[0019] Preferably, the heating chamber has symmetrically distributed insertion holes on the other side of its top, and the insertion holes and the insertion rods are connected in a plugging fit.

[0020] By inserting the rod into the socket, the discharge mechanism is fixed to the top of the heating chamber and the crystalline solute that slides down is collected.

[0021] The beneficial effects of this utility model are as follows:

[0022] When the solute in the solution in the heating chamber crystallizes and precipitates, the filtration mechanism rotates within the heating chamber. As the retrieval frame rotates within the heating chamber, it collects the precipitated crystallized solute on one side of the filter screen. As the retrieval frame gradually moves upward, the crystals within the retrieval frame slide outward from the opening along the inner wall. The sliding crystals fall into the collection box and slide within the collection box and the discharge shell. Finally, they are stored in the storage items located at the bottom of the discharge shell. This effectively solves the problems of the lack of continuity in crystallization filtration and low production efficiency in existing technologies. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of a crystallization filtration device for pesticide production proposed in this utility model.

[0024] Figure 2 This is a schematic diagram of the filtration mechanism of a crystallization filtration device for pesticide production proposed in this utility model.

[0025] Figure 3 This is a schematic diagram of the connection component structure of a crystallization filtration device for pesticide production proposed in this utility model;

[0026] Figure 4 This is a schematic diagram of the discharge mechanism of a crystallization filtration device for pesticide production proposed in this utility model.

[0027] In the diagram: 1. Heating chamber; 2. Support column; 3. I-beam frame; 4. Casters; 5. Fixing plate; 6. Liquid filling hopper; 7. Servo motor; 8. Filtering mechanism; 9. Rotating shaft; 10. Connecting assembly; 11. Retrieving frame; 12. I-beam block; 13. Insert block; 14. Connecting rod; 15. Discharge mechanism; 16. Collection box; 17. Discharge shell; 18. Insert rod. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0029] Example:

[0030] Reference Figure 1-4A crystallization filtration device for pesticide production includes a heating chamber 1. A filtration mechanism 8 is rotatably connected to the top of the inner walls on both sides of the heating chamber 1. The filtration mechanism 8 includes a rotating shaft 9, a connecting component 10 welded and fixed to the outer wall of the rotating shaft 9 at equal intervals along a ring, and a retrieval frame 11 connected to the end of the connecting component 10 away from the rotating shaft 9. The connecting component 10 includes an I-shaped block 12, insert blocks 13 that are movable in one side of one end of the I-shaped block 12, and a connecting rod 14 welded and fixed between the two insert blocks 13. A discharge mechanism 15 is connected to one side of the top of the heating chamber 1. The discharge mechanism 15 includes a collection box 16, a discharge shell 17 that is inserted and fixed to one bottom end of the collection box 16, and insert rods 18 welded and fixed to the other bottom end of the collection box 16.

[0031] Support columns 2 are welded and fixed to the four corners of the bottom of the heating chamber 1. I-frames 3 are welded and fixed to the bottom of each of the four support columns 2. Casters 4 are installed and fixed to the four corners of the bottom of the I-frames 3. The support columns 2, I-frames 3 and casters 4 facilitate the support and movement of the heating chamber 1. A fixing plate 5 is welded and fixed to one end of the top of the heating chamber 1. A liquid addition hopper 6 is inserted and fixed to the top of the outer wall of one side of the fixing plate 5. The fixing plate 5 and liquid addition hopper 6 facilitate the addition of solution into the heating chamber 1.

[0032] A servo motor 7 is fixedly installed on one side of the outer wall of the heating chamber 1. The output shaft of the servo motor 7 is connected and fixed to one end of the rotating shaft 9 through a coupling. The servo motor 7 drives the rotating shaft 9 to rotate, so that the filter mechanism 8 rotates inside the heating chamber 1. A filter screen is fixed at the bottom of the inner wall of the retrieval frame 11. An opening is opened at one end of the outer wall of one side of the retrieval frame 11, and a slot is opened at the other end of the outer wall of one side of the retrieval frame 11 to form a plug-in fit with the insert block 13. The top of the slot and the top of the insert block 13 are both provided with screw holes. The slot and the insert block 13 are fastened together by bolts screwed into the screw holes. When the retrieval frame 11 rotates inside the heating chamber 1, the precipitated crystallized solute is collected on one side of the filter screen of the retrieval frame 11. As the retrieval frame 11 gradually moves upward, the crystals inside the retrieval frame 11 slide outward from the opening along the inner wall.

[0033] The I-shaped block 12 has grooves on both sides of one end that are inserted into the insert block 13. The inner walls of both sides of the I-shaped block 12 have sliding grooves that are connected to the grooves. The sliding grooves are slidably engaged with the connecting rod 14. By moving the connecting rod 14 along the sliding groove, the insert block 13 can be extended and retracted within the groove. The other side of the top of the heating chamber 1 has symmetrically distributed insertion holes. The insertion holes are inserted into the insert rod 18. By inserting the insert rod 18 into the insertion hole, the discharge mechanism 15 is inserted and fixed to the top of the heating chamber 1 and collects the crystalline solute that slides down.

[0034] Working principle:

[0035] During operation, a solution is added to the heating chamber 1 through the liquid addition hopper 6. The heating chamber 1 heats and evaporates the solution, causing the solute in the solution to crystallize and precipitate. In conjunction with the servo motor 7 driving the rotating shaft 9 to rotate, the filtration mechanism 8 rotates within the heating chamber 1. As the retrieval frame 11 rotates within the heating chamber 1, the precipitated crystallized solute is collected on one side of the filter screen of the retrieval frame 11. As the retrieval frame 11 gradually moves upward, the crystals in the retrieval frame 11 slide outward from the opening along the inner wall. The sliding crystals fall into the collection box 16 and slide within the collection box 16 and the discharge shell 17. Finally, they are stored in the storage container located at the bottom of the discharge shell 17.

[0036] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A crystallization filtration device for pesticide production, comprising a heating chamber (1), characterized in that, The top of the inner walls on both sides of the heating chamber (1) is rotatably connected to a filter mechanism (8), and the filter mechanism (8) includes a rotating shaft (9), a connecting component (10) welded and fixed to the outer wall of the rotating shaft (9) at equal intervals along the ring, and a retrieval frame (11) connected to the end of the connecting component (10) away from the rotating shaft (9). The connecting component (10) includes an I-shaped block (12), a plug block (13) inserted and movable in one side of one end of the I-shaped block (12), and a connecting rod (14) welded and fixed between the two plug blocks (13). The top side of the heating chamber (1) is connected to a discharge mechanism (15), and the discharge mechanism (15) includes a collection box (16), a discharge shell (17) inserted and fixed to one bottom end of the collection box (16), and plug rods (18) welded and fixed to the other side of the bottom of the collection box (16).

2. The crystallization filtration device for pesticide production according to claim 1, characterized in that, The bottom of the heating chamber (1) is welded and fixed with support columns (2) at the four corners, and the bottom of each of the four support columns (2) is welded and fixed with I-frames (3), and the bottom of each I-frame (3) is fixed with casters (4).

3. The crystallization filtration device for pesticide production according to claim 1, characterized in that, A fixing plate (5) is welded and fixed to one end of the top of the heating chamber (1), and a liquid addition hopper (6) is inserted and fixed to the top of the outer wall of one side of the fixing plate (5).

4. A crystallization filtration device for pesticide production according to claim 1, characterized in that, A servo motor (7) is installed and fixed on one side of the outer wall of the heating chamber (1), and the output shaft of the servo motor (7) is connected and fixed to one end of the rotating shaft (9) through a coupling.

5. A crystallization filtration device for pesticide production according to claim 1, characterized in that, A filter screen is fixed to the bottom of the inner wall of the retrieval frame (11), and an opening is provided at one end of the outer wall of the retrieval frame (11). A slot is provided at the other end of the outer wall of the retrieval frame (11) to form a plug-in fit with the plug block (13). Screw holes are provided at the top of the slot and the top of the plug block (13). The slot and the plug block (13) are fastened together by bolts screwed into the screw holes.

6. A crystallization filtration device for pesticide production according to claim 1, characterized in that, The I-shaped block (12) has grooves on both sides of one end that are inserted into the plug block (13), and the inner walls on both sides of the I-shaped block (12) have sliding grooves that communicate with the grooves. The sliding grooves and the connecting rod (14) are in sliding fit.

7. A crystallization filtration device for pesticide production according to claim 1, characterized in that, The heating chamber (1) has symmetrically distributed insertion holes on the other side of its top, and the insertion holes and the insertion rod (18) are connected in a plug-in fit.

Citation Information

Patent Citations

  • Crystallization filtering device for pesticide production

    CN222468097U