Crystallization device for preparing chlorphenesin

Abstract

The utility model provides a crystallization device for preparing chlorphenesin, which comprises a box body placed on a support, the box body is composed of two layers of box walls, an outer cooling bin is arranged between the two layers of box walls, an inner cooling sleeve is installed inside the box body through a connecting column, a bottom box is movably arranged at the bottom of the box body, and the bottom box is connected with the box body through a connecting column. Two hydraulic cylinders are symmetrically installed above the support, the lower ends of the hydraulic cylinders are connected with the bottom box, a feeding pipe is installed at the upper end of the box body, a motor is arranged in the middle of the upper surface of the box body, and the lower end of the motor is connected with the upper end of a screw rod; a scraping plate is installed above the bottom box through a connecting rod, and a bottom support is installed in the middle of the upper surface of the bottom box. According to the utility model, crystals and dirt adhered to the surfaces of the box body and the inner cooling sleeve can be scraped off through the scraper, so that the collection effect of the crystals can be improved, the surfaces of the crystals can be cleaned, the service life of the device is prolonged, and the separation efficiency of solution crystals is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of crystallization equipment, and particularly relates to a crystallization device for preparing chlorphenesin. Background Art

[0002] Chlorphenesin, also known as chlorphenoxyl glycerol ether and chlorophenol ether, has important applications in the field of anti-corrosion and sterilization, and is widely used in the fields of medicine and cosmetics. Its production process includes main steps such as reaction, precipitation, filtration, washing and drying. In order to improve the purity of the product, crystallization method is usually used for further purification.

[0003] When dissolving chlorphenesin for crystallization, in order to improve the crystallization speed and reduce the solubility of the solution, a crystallization container is used. However, the existing crystallization container has the following deficiencies: the crystals precipitated in the container will adhere to the inner wall of the container, which is difficult to clean and collect. If it cannot be cleaned for a long time, it will cause the surface structure of the container, which will affect the crystallization efficiency of the solution in the container during subsequent use, and at the same time reduce the service life of the crystallization container. Summary of the Utility Model

[0004] In order to solve the above technical problems, the utility model provides a crystallization device for preparing chlorphenesin, and the technical scheme adopted is as follows:

[0005] A crystallization device for preparing chlorphenesin, including a box body placed on a bracket. The box body is composed of two layers of box walls, and an outer cooling chamber is between the two layers of box walls. An inner cooling sleeve is installed inside the box body through a connecting column. A bottom box is movably arranged at the bottom of the box body. Two hydraulic cylinders are symmetrically installed above the bracket, and the lower ends of the hydraulic cylinders are connected to the bottom box. A feeding pipe is installed at the upper end of the box body, and a motor is arranged at the middle position of the upper surface of the box body. The lower end of the motor is connected to the upper end of a screw rod;

[0006] A scraper is installed above the bottom box through a connecting rod, and a bottom support is installed at the middle position of the upper surface of the bottom box.

[0007] Further, a connecting pipe is installed on the upper surface of the box body and outside the motor. One end of the connecting pipe is connected to the upper end of the outer cooling chamber, and the other end of the connecting pipe penetrates the connecting column and is connected to the upper end of the inner cooling sleeve.

[0008] Further, a condensate inlet and a condensate outlet are arranged at the lower end of the outer side of the box body. The condensate inlet and the condensate outlet are symmetrically arranged. Condensate can enter through the condensate inlet and come out through the condensate outlet to cool the materials in the box body.

[0009] Furthermore, the scraper is composed of two inner and outer rings. The outer ring of the scraper is in contact with the inner side wall of the box body, and the inner ring of the scraper is in contact with the outer side wall of the inner cooling sleeve. The scraper can scrape off the crystallized materials on the side wall.

[0010] Furthermore, a round hole is provided at the middle position of the bottom support. The round hole can be used to support the screw rod after the bottom box is lifted.

[0011] Furthermore, a drain pipe is provided at the bottom of the bottom box and on one side of the bottom support. A valve is provided at the lower end of the drain pipe. By opening the valve, the solution after crystal precipitation in the box body can be discharged. A filter screen is also provided at the upper end of the drain pipe to prevent the crystals from flowing out.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. In the utility model, the scraper is in contact with both the inner side wall of the box body and the outer side wall of the inner cooling sleeve. Driven by the hydraulic cylinder, it can scrape off the crystals and dirt adhered to the surfaces of the box body and the inner cooling sleeve, which can increase the collection effect of the crystals while cleaning their surfaces, does not affect the reuse of the device, and can also extend the service life of the device.

[0014] 2. Driven by the motor, the screw rod can not only drive the solution to rise, keep the solution in the box body flowing, and the temperature drops evenly, which can increase its crystallization effect. In addition, the surface of the screw rod is in contact with the inner side wall of the inner cooling sleeve, which can not only prevent the large shaking of the screw rod from driving the large movement of the material to bypass, avoid affecting the precipitation and crystallization of the solution, but also scrape off the dirt or crystals adhered to the inner side wall of the inner cooling sleeve to ensure the use effect of the inner cooling sleeve.

[0015] 3. In the utility model, the outer cooling chamber and the inner cooling sleeve are connected and communicated through a connecting pipe. Condensate water is contained in both the outer cooling chamber and the inner cooling sleeve, which cools the materials in the box body at the same time, increasing the crystallization efficiency of the materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is the overall structural schematic diagram of the utility model;

[0017] Figure 2 is the schematic diagram of the extension structure of the hydraulic cylinder of the utility model;

[0018] Figure 3 is the internal structural schematic diagram of the utility model;

[0019] Figure 4 is the utility model Figure 3 The enlarged schematic diagram of the structure at A in.

[0020] In the figure:

[0021] 1 - Box body, 11 - Outer cooling chamber, 12 - Inner cooling sleeve, 13 - Condensate inlet, 14 - Condensate outlet, 15 - Connecting column, 16 - Connecting pipe, 2 - Bracket, 3 - Bottom box, 31 - Connecting rod, 32 - Scraper, 33 - Bottom support, 34 - Drain pipe, 4 - Hydraulic cylinder, 5 - Feeding pipe, 6 - Motor, 7 - Screw. Detailed implementation manner

[0022] In order to enable those skilled in the art to better understand the solution of the present utility model, the technical solutions in the embodiments of the present utility model will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0023] As shown in the appendix Figures 1-4 Shown.

[0024] A crystallization device for preparing chlorphenesin, comprising a box body 1 fixed on a bracket 2. The side surface of the box body 1 is composed of two layers of box walls, and the space between the two layers of box walls is hollowed out as an outer cooling chamber 11, which can be filled with condensate inside. The central position inside the box body 1 is provided with a circular inner cooling sleeve 12 through three hollow connecting columns 15. The inside of the inner cooling sleeve 12 is hollowed out and can be filled with condensate. The upper part of the outer cooling chamber 11 and the inner cooling sleeve 12 is connected through four connecting pipes 16 installed on the upper surface of the box body 1. The bottom of the box body 1 is movably installed with a bottom box 3. Above the bracket 2 and symmetrically installed on the outside of the box body 1 are two downwardly telescopic hydraulic cylinders 4. The lower end of the hydraulic cylinder 4 is connected to the bottom box 3. The up and down telescoping of the hydraulic cylinder 4 can drive the bottom box 3 to move up and down. The upper surface of the box body 1 and located between the connecting pipes 16 is provided with a feeding pipe 5. Through the feeding pipe 5, the materials for preparing the crystals of chlorphenesin can be put between the outer cooling chamber 11 and the inner cooling sleeve 12. The center position of the upper surface of the box body 1 is fixedly installed with a motor 6 that can drive the screw 7 inside the inner cooling sleeve 12 to rotate. The surface of the screw 7 is in contact with the inner side wall of the inner cooling sleeve 12. While driving the materials to rise, it can also scrape off the crystals on the inner side wall of the inner cooling sleeve 12, and prevent the large - scale movement of the screw 7 from driving the large - scale movement and detour of the materials, which affects the crystallization of the materials.

[0025] The lower ends of the outer side surface of the box body 1 are symmetrically installed with a condensate inlet 13 and a condensate outlet 14.

[0026] Above the bottom box 3, there is a scraper 32 connected by six connecting rods 31. The scraper 32 is composed of two combined inner and outer rings. The outer surface of the outer ring is in contact with the inner wall of the box body 1, and the inner surface of the inner ring is in contact with the outer wall of the inner cooling sleeve 12, which can fully scrape off the crystallized materials on the side wall. In the middle position of the upper surface of the bottom box 3, there is a bottom support 33. In the middle position of the bottom support 33, there is a round hole for placing the lower end of the screw rod 7, which can support the screw rod 7 during the operation of the device.

[0027] When the material needs to be crystallized, first start the hydraulic cylinder 4. The hydraulic cylinder 4 contracts and drives the bottom box 3 to move upward. The bottom box 3 contacts the bottom of the box body 1, forming a sealed space inside the box body 1. Then, inject the saturated solution containing chlorophene glycol into the box body 1 through the feeding pipe 5. After that, open the condensate inlet 13 and inject condensate into the outer cooling chamber 11 through the condensate inlet 13, so that the condensate fills the inner cooling sleeve 12 and the outer cooling chamber 11, and at the same time cools and crystallizes the material between the outer cooling chamber 11 and the inner cooling sleeve 12.

[0028] Finally, start the motor 6. Then the motor 6 drives the screw rod 7 to rotate. While the screw rod 7 rotates, it drives the solution to move from bottom to top. The solution below the outer cooling chamber 11 moves upward along the inner cooling sleeve 12 and flows between the connecting columns 15 above the inner cooling sleeve 12 to the upper part of the outer cooling chamber 11.

[0029] When the crystallization is completed and precipitated from the solution, first open the valve at the lower end of the drain pipe 34 to drain the solution with precipitated crystals in the box body 1. After draining, start the hydraulic cylinder 4 to extend and drive the bottom box 3 to move downward. During the downward movement of the bottom box 3, the scraper 32 can scrape off the crystals adhering to the surfaces of the box body 1 and the inner cooling sleeve 12 and fall above the bottom box 3. Finally, the crystals can be taken out.

[0030] Using the technical solution of the present invention, or those skilled in the art being inspired by the technical solution of the present invention to design a similar technical solution and achieving the above technical effects shall fall within the protection scope of the present invention.

Claims

1. A crystallization device for preparing chlorphenesin, comprising a housing (1) placed on a support (2), characterized in that: The box body (1) is composed of two layers of box walls, an external cooling chamber (11) is provided between the two layers of box walls, an internal cooling sleeve (12) is installed inside the box body (1) via a connecting column (15), a bottom box (3) is movably provided at the bottom of the box body (1), two hydraulic cylinders (4) are symmetrically installed above the bracket (2), the lower ends of the hydraulic cylinders (4) are connected to the bottom box (3), a feeding pipe (5) is installed at the upper end of the box body (1), a motor (6) is provided in the middle position of the upper surface of the box body (1), and the lower end of the motor (6) is connected to the upper end of the screw (7); A scraper (32) is installed above the bottom box (3) via a connecting rod (31), and a bottom bracket (33) is installed at the middle position of the upper surface of the bottom box (3).

2. A crystallization device for preparing chlorphenesin as claimed in claim 1, characterized in that: A connecting pipe (16) is installed on the upper surface of the box body (1) and located outside the motor (6); one end of the connecting pipe (16) is connected to the upper end of the external cooling chamber (11); the other end of the connecting pipe (16) passes through the connecting column (15) and is connected to the upper end of the internal cooling sleeve (12).

3. A crystallization device for preparing chlorphenesin as claimed in claim 1, characterized in that: A condensation water inlet (13) and a condensation water outlet (14) are respectively provided at the lower end of the outer side surface of the box body (1).

4. A crystallization device for preparing chlorphenesin as claimed in claim 1, characterized in that: The scraper (32) is composed of two inner and outer circular rings, the outer circular ring of the scraper (32) being in contact with the inner wall of the casing (1), and the inner circular ring of the scraper (32) being in contact with the outer wall of the inner cooling sleeve (12).

5. A crystallization device for preparing chlorphenesin as claimed in claim 1, characterized in that: A circular hole for supporting the lower end of the screw rod (7) is provided in the middle of the base (33).

6. A crystallization device for preparing chlorphenesin as claimed in claim 5, characterized in that: A liquid discharge pipe (34) is provided at the bottom of the bottom box (3) and on one side of the bottom bracket (33), and a filter screen is provided at the upper end of the liquid discharge pipe (34).

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