Continuous crystallization and separation device for triphenylacetic acid

Abstract

The utility model relates to the technical field of solution crystallization, and discloses a continuous crystallization and separation device for triphenylacetic acid, which comprises a support frame, an air duct fixedly mounted above the support frame, an air blower fixedly mounted at the rear end of the air duct, and a cooling barrel fixedly mounted above the air duct. After a high-temperature solution enters the receiving barrel, heat can be quickly transferred to water in the cooling barrel through the receiving barrel, so that a cooling medium in the heat pipe absorbs heat and is gasified to fill the heat pipe, airflow generated by the air blower flows through the lower end of the heat pipe under the limitation of the air duct, and heat of the gaseous cooling medium in the heat pipe is taken away; the cooling medium in the heat pipe releases heat and is liquefied, and the liquid cooling medium moves upwards under the influence of the capillary tube in the heat pipe, so that the heat of the solution is transferred to the outside, the temperature of the solution is quickly reduced, and the crystallization efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of solution crystallization, in particular to a continuous crystallization separation device for triphenylacetic acid. Background Art

[0002] Triphenylacetic acid, also known as triphenylacetic acid, is a white to beige fine crystalline powder that is slightly soluble in most organic solvents. The purity of the industrial product is about 90%. It is stable when stored in a dry place and is easily decomposed when exposed to air and sunlight. Triphenylacetic acid needs to be crystallized during the production process. Generally, a static crystallization method is used. The raw material solution after the reaction is sent to a crystallization box for static cooling. After the triphenylacetic acid crystals are precipitated, the crystals are dried to obtain triphenylacetic acid.

[0003] The existing Chinese utility model patent with reference announcement number: CN218980503U discloses a crystallization device for gradient temperature control and cooling of triphenylacetic acid, which relates to the field of crystallization technology and includes two vertically arranged cooling boxes, which are connected by a connecting pipe, and a stirring assembly is rotatably arranged in both cooling boxes, the stirring assembly includes a rotating shaft, a continuous spiral blade is fixedly connected to the outside of the rotating shaft, a connected chamber is integrally formed in the spiral blade, and water circulates in the chamber, and a driving member for driving the rotating shaft to rotate is arranged between the two cooling boxes, which accelerates the cooling speed of the solution to a certain extent and improves the production efficiency of triphenylacetic acid.

[0004] When the existing crystallization device cools down and crystallizes the solution, triphenylacetic acid will adhere to the inner wall of the device, which is inconvenient for the collection of triphenylacetic acid. In addition, the cooling efficiency of the existing crystallization device is poor, and the solution cannot quickly reach the cleaning temperature required for triphenylacetic acid, and the cleaning efficiency of triphenylacetic acid is low. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the deficiencies in the prior art, the utility model provides a continuous crystallization separation device for triphenylacetic acid, which has the advantages of improving crystallization efficiency and being able to easily clean the triphenylacetic acid attached to the inner wall, thereby solving the above technical problems.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a continuous crystallization separation device of triphenylacetic acid, comprising: a support frame, an air duct is fixedly installed on the top of the support frame, a blower is fixedly installed on the rear end of the air duct, a cooling barrel is fixedly installed on the top of the air duct, a heat pipe is inserted and installed inside the cooling barrel, a connecting pipe is inserted and installed in the center of the cooling barrel, a receiving barrel is inserted and installed on the upper end of the connecting pipe, a filter is fixedly installed on the upper end of the connecting pipe, an electronic valve is fixedly installed on the lower end of the connecting pipe, a drain pipe is fixedly installed on the lower end of the electronic valve, a connecting ring is fixedly installed on the top of the receiving barrel, a connecting frame is fixedly installed on the outer side of the cooling barrel, a driving motor is inserted and installed on the top of the connecting frame, a driving gear is fixedly installed on the outer side of the rotating shaft of the driving motor, a cleaning frame is embedded and installed inside the receiving barrel, and a transmission gear is inserted and installed on the top of the cleaning frame; the driving motor can drive the transmission gear to rotate through the driving gear.

[0009] As a preferred technical solution of the utility model, a cylindrical opening structure with the same diameter as the inner diameter of the air duct is provided above the support frame, the air duct is an annular structure, and the end of the air duct is located above the opening structure of the support frame; the air duct can limit the direction of airflow movement.

[0010] As a preferred technical solution of the present invention, the lower end of the cooling barrel is a conical structure, the cooling barrel is fixedly connected to the support frame through an air duct, and the cooling barrel is fixedly connected to the receiving barrel through a connecting pipe and a connecting ring; the cooling barrel can receive cooling water.

[0011] As the preferred technical solution of the utility model, the heat pipe is installed in a ring shape inside the cooling barrel at equal angles based on the center of the cooling barrel, and the lower end of the heat pipe vertically penetrates the cooling barrel and is located inside the air duct; the heat pipe can facilitate heat conduction.

[0012] As the preferred technical solution of the utility model, the receiving barrel is made of glass, the thickness of the receiving barrel is three millimeters, the receiving barrel is connected to the connecting pipe, the connecting ring is made of silicone, and an open hole structure is provided above the connecting ring; the receiving barrel can receive the solution.

[0013] As a preferred technical solution of the utility model, the driving motor is fixedly connected to the cooling barrel through a connecting frame, and the driving gear and the transmission gear are meshed with each other; the transmission gear can drive the cleaning frame to rotate.

[0014] As a preferred technical solution of the utility model, the upper end of the cleaning rack is an annular structure, and a rectangular protrusion structure is arranged in an "X" shape below the cleaning rack with the center of the cleaning rack as a reference. The outer diameter of the cleaning rack is equal to the inner diameter of the receiving barrel, and a rotational connection is formed between the cleaning rack and the receiving barrel; when the cleaning rack rotates, it can scrape off the triphenylacetic acid attached to the inner wall of the receiving barrel.

[0015] Compared with the prior art, the utility model provides a continuous crystallization separation device for triphenylacetic acid, which has the following beneficial effects:

[0016] 1. The utility model is provided with a receiving barrel. Before use, water needs to be injected into the receiving barrel through the opening structure above the connecting ring. Since the receiving barrel is made of thinner glass, after the high-temperature solution enters the receiving barrel, the heat can be quickly transferred to the water in the cooling barrel through the receiving barrel, so that the cooling medium in the heat pipe absorbs heat and vaporizes, filling the inside of the heat pipe. The airflow generated by the blower will flow through the lower end of the heat pipe under the restriction of the air duct, thereby taking away the heat of the gaseous cooling medium in the heat pipe, causing the cooling medium in the heat pipe to release heat and liquefy. The liquid cooling medium will move upward under the influence of the capillary inside the heat pipe, so that the heat of the solution is transferred to the outside. Since the heat pipe is installed in a ring shape inside the cooling barrel, this method can quickly reduce the solution temperature, thereby improving the crystallization efficiency.

[0017] 2. The utility model provides a receiving barrel, which is made of glass and has a smooth surface, and can reduce the probability of triphenylacetic acid adhering to the inner wall. After the solution temperature is lowered and crystallization cannot continue, the electronic valve is opened, and the liquid inside the receiving barrel will enter the inside of the connecting pipe through the filter, and then be discharged through the electronic valve and the drain pipe, while the triphenylacetic acid crystals will be blocked by the filter and stay inside the receiving barrel. Then, the driving motor is started, and the driving motor can drive the transmission gear to rotate through the driving gear, thereby rotating the cleaning rack. When the cleaning rack rotates, the rectangular protrusion structure below can scrape off the triphenylacetic acid crystals attached to the inner wall of the receiving barrel, so as to collect the triphenylacetic acid crystals. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the connection structure between the support frame and the air duct of the utility model;

[0020] Figure 3 This is a schematic diagram of the connection structure between the cooling barrel and the receiving barrel of the utility model;

[0021] Figure 4 This is a schematic diagram of the connection structure between the receiving bucket and the cleaning rack of the utility model;

[0022] Among them: 1. support frame; 11. air duct; 12. blower; 13. cooling barrel; 14. heat pipe; 15. connecting pipe; 16. receiving barrel; 17. filter; 18. electronic valve; 19. drain pipe; 110. connecting ring; 111. connecting frame; 112. driving motor; 113. driving gear; 114. cleaning frame; 115. transmission gear. DETAILED DESCRIPTION

[0023] The following is a further detailed description of the implementation of the present utility model in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0024] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] See also Figure 1 - Figure 4In this embodiment, a continuous crystallization separation device of triphenylacetic acid includes: a support frame 1, an air duct 11 is fixedly installed above the support frame 1, a blower 12 is fixedly installed at the rear end of the air duct 11, a cooling barrel 13 is fixedly installed above the air duct 11, a heat pipe 14 is inserted into the interior of the cooling barrel 13, a connecting pipe 15 is inserted into the center of the cooling barrel 13, a receiving barrel 16 is inserted into the upper end of the connecting pipe 15, a filter screen 17 is fixedly installed on the upper end of the connecting pipe 15, and a heat pipe 14 is inserted into the center of the cooling barrel 13. An electronic valve 18 is fixedly installed at the lower end of 15, a drain pipe 19 is fixedly installed below the electronic valve 18, a connecting ring 110 is fixedly installed at the top of the receiving barrel 16, a connecting frame 111 is fixedly installed on the outside of the cooling barrel 13, a driving motor 112 is inserted above the connecting frame 111, a driving gear 113 is fixedly installed on the outside of the rotating shaft of the driving motor 112, a cleaning frame 114 is embedded in the inside of the receiving barrel 16, and a transmission gear 115 is inserted at the top of the cleaning frame 114.

[0027] A cylindrical opening structure having the same inner diameter as the air duct 11 is arranged above the support frame 1 . The air duct 11 is an annular structure, and the end of the air duct 11 is located above the opening structure of the support frame 1 .

[0028] The lower end of the cooling barrel 13 is a conical structure. The cooling barrel 13 is fixedly connected to the support frame 1 through the air duct 11 . The cooling barrel 13 is fixedly connected to the receiving barrel 16 through the connecting pipe 15 and the connecting ring 110 .

[0029] The heat pipe 14 is installed in the cooling barrel 13 in a ring shape at an equal angle with the center of the cooling barrel 13 as a reference. The lower end of the heat pipe 14 vertically penetrates the cooling barrel 13 and is located inside the air duct 11 .

[0030] The receiving barrel 16 is made of glass, and the thickness of the receiving barrel 16 is three millimeters. The receiving barrel 16 is connected to the connecting pipe 15 . The connecting ring 110 is made of silicone, and an open hole structure is arranged above the connecting ring 110 .

[0031] The driving motor 112 is fixedly connected to the cooling barrel 13 via the connecting frame 111 , and the driving gear 113 and the transmission gear 115 are meshed with each other.

[0032] The upper end of the cleaning frame 114 is an annular structure, and a rectangular protrusion structure is arranged in an "X" shape below the cleaning frame 114 with the center of the cleaning frame 114 as the reference. The outer diameter of the cleaning frame 114 is equal to the inner diameter of the receiving barrel 16, and a rotation connection is formed between the cleaning frame 114 and the receiving barrel 16.

[0033] Specifically, the support frame 1 can support the air duct 11, the air duct 11 can limit the direction of airflow movement, the blower 12 can generate airflow, the cooling barrel 13 can receive cooling water, the heat pipe 14 can facilitate heat conduction, the connecting pipe 15 can facilitate the discharge of the solution inside the receiving barrel 16, the receiving barrel 16 can receive the solution, the filter 17 can prevent triphenylacetic acid from entering the connecting pipe 15, the electronic valve 18 and the drain pipe 19 can facilitate the discharge of the solution, the connecting ring 110 can prevent water from diluting the solution inside the receiving barrel 16, the connecting frame 111 can fix the position of the driving motor 112, the driving motor 112 can drive the transmission gear 115 to rotate through the driving gear 113, so that the cleaning frame 114 rotates, and the cleaning frame 114 can scrape off the triphenylacetic acid attached to the inner wall of the receiving barrel 16 when rotating, and the transmission gear 115 can drive the cleaning frame 114 to rotate.

[0034] When in use, it is necessary to inject water into the receiving barrel 16 through the opening structure above the connecting ring 110. Since the receiving barrel 16 is made of thinner glass, after the high-temperature solution enters the receiving barrel 16, the heat can be quickly transferred to the water in the cooling barrel 13 through the receiving barrel 16, so that the cooling medium in the heat pipe 14 absorbs heat and vaporizes, filling the heat pipe 14. The airflow generated by the blower 12 will flow through the lower end of the heat pipe 14 under the restriction of the air duct 11, thereby taking away the heat of the gaseous cooling medium in the heat pipe 14, causing the cooling medium in the heat pipe 14 to release heat and liquefy. The liquid cooling medium will move upward under the influence of the capillary inside the heat pipe 14, thereby transferring the heat of the solution to the outside. Since the heat pipe 14 is installed in a ring shape inside the cooling barrel 13, this method can quickly reduce The solution temperature is increased, thereby improving the crystallization efficiency. At the same time, the receiving barrel 16 is made of glass with a smooth surface, which can reduce the probability of triphenylacetic acid adhering to the inner wall. After the solution temperature is reduced and crystallization cannot continue, the electronic valve 18 is opened, and the liquid inside the receiving barrel 16 will enter the connecting pipe 15 through the filter 17, and then be discharged through the electronic valve 18 and the drain pipe 19, while the triphenylacetic acid crystals will be blocked by the filter 17 and stay in the receiving barrel 16. Then, the driving motor 112 is started, and the driving motor 112 can drive the transmission gear 115 to rotate through the driving gear 113, thereby rotating the cleaning frame 114. When the cleaning frame 114 rotates, the rectangular protrusion structure below can scrape off the triphenylacetic acid crystals attached to the inner wall of the receiving barrel 16, so as to collect the triphenylacetic acid crystals.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A continuous crystallization separation device for triphenylacetic acid, characterized in that: include: A support frame (1), an air duct (11) is fixedly installed above the support frame (1), a blower (12) is fixedly installed at the rear end of the air duct (11), a cooling barrel (13) is fixedly installed above the air duct (11), a heat pipe (14) is inserted into the interior of the cooling barrel (13), a connecting pipe (15) is inserted into the center of the cooling barrel (13), a receiving barrel (16) is inserted into the upper end of the connecting pipe (15), a filter screen (17) is fixedly installed at the upper end of the connecting pipe (15), and an electronic A valve (18) is provided, a drain pipe (19) is fixedly installed below the electronic valve (18), a connecting ring (110) is fixedly installed at the top of the receiving barrel (16), a connecting frame (111) is fixedly installed on the outside of the cooling barrel (13), a driving motor (112) is inserted and installed above the connecting frame (111), a driving gear (113) is fixedly installed on the outside of the rotating shaft of the driving motor (112), a cleaning frame (114) is embedded and installed inside the receiving barrel (16), and a transmission gear (115) is inserted and installed at the top of the cleaning frame (114).

2. A continuous crystallization separation device for triphenylacetic acid according to claim 1, characterized in that: A columnar opening structure having the same inner diameter as the air duct (11) is provided above the support frame (1); the air duct (11) is an annular structure; the end of the air duct (11) is located above the opening structure of the support frame (1).

3. A continuous crystallization separation device for triphenylacetic acid according to claim 1, characterized in that: The lower end of the cooling barrel (13) is a conical structure. The cooling barrel (13) is fixedly connected to the support frame (1) via the air duct (11). The cooling barrel (13) is fixedly connected to the receiving barrel (16) via the connecting pipe (15) and the connecting ring (110).

4. A continuous crystallization separation device for triphenylacetic acid according to claim 1, characterized in that: The heat pipe (14) is installed in a ring shape inside the cooling barrel (13) at an equal angle with the center of the cooling barrel (13) as a reference, and the lower end of the heat pipe (14) vertically penetrates the cooling barrel (13) and is located inside the air duct (11).

5. A continuous crystallization separation device for triphenylacetic acid according to claim 1, characterized in that: The receiving barrel (16) is made of glass and has a thickness of three millimeters. The receiving barrel (16) is connected to the connecting pipe (15). The connecting ring (110) is made of silica gel and an open hole structure is arranged above the connecting ring (110).

6. A continuous crystallization separation device for triphenylacetic acid according to claim 1, characterized in that: The driving motor (112) is fixedly connected to the cooling barrel (13) via a connecting frame (111), and the driving gear (113) and the transmission gear (115) are meshed with each other.

7. A continuous crystallization separation device for triphenylacetic acid according to claim 1, characterized in that: The upper end of the cleaning frame (114) is an annular structure, and a rectangular protruding structure is provided below the cleaning frame (114) in an "X" shape with the center of the cleaning frame (114) as a reference. The outer diameter of the cleaning frame (114) is equal to the inner diameter of the receiving barrel (16), and the cleaning frame (114) and the receiving barrel (16) are rotatably connected.

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