Ethyl pyruvate crystallization device

Abstract

The utility model discloses an ethyl pyruvate crystallization device which comprises a crystallization box, a feeding pipe is fixedly installed at the top of the crystallization box, a cooling pipe is fixedly installed on the surface of the crystallization box, a stirring assembly is arranged in the crystallization box, a scraper blade is arranged in the crystallization box through the stirring assembly, and the stirring assembly is connected with the scraper blade. A vibration assembly is arranged on the front side of the crystallization box, a connecting pipe is fixedly installed at the bottom of the crystallization box, a valve is arranged on the connecting pipe, a filtering box is fixedly installed at the bottom end of the connecting pipe, a filtering assembly is arranged in the filtering box, and a liquid outlet pipe is fixedly installed at the bottom of the filtering box. According to the ethyl pyruvate crystal cleaning device, the aim of cleaning ethyl pyruvate crystals attached to the inner wall of the crystallization box is achieved, waste of the ethyl pyruvate crystals can be reduced, automatic separation of a solution and the ethyl pyruvate crystals can be achieved, and the situation that an extra device is used for separating the solution and the ethyl pyruvate crystals is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of ethyl pyruvate crystallization, especially to a kind of ethyl pyruvate crystallization device. BACKGROUND

[0002] Ethyl pyruvate is an important organic compound, has special smell, slightly soluble in water, soluble in ethanol, diethyl ether and other organic solvents.Ethyl pyruvate is an important organic synthesis intermediate, has wide application in medicine, pesticide, spice, food additive and other fields.Ethyl pyruvate after crystallization is solid form, compared with liquid, solid is more stable in storage and transportation, often use crystallization device to crystallize ethyl pyruvate saturated solution.

[0003] In Chinese patent application announcement No.CN220478169U, a low-temperature crystallization device is disclosed, which comprises a reaction ball kettle, a low-temperature refrigeration circulator, an injection pipe, a liquid collection box and a remote controller. The reaction ball kettle is provided with an injection pipe on one side, and the injection pipe and the reaction ball kettle are provided with a mounting bracket therebetween. The other side of the reaction ball kettle is provided with a cold gas injection port and a hot gas outlet. Although the above-mentioned crystallization device can be used to crystallize ethyl pyruvate saturated solution at low temperature, the crystallized ethyl pyruvate crystals have certain adhesion, which is easy to adhere to the inner wall of the device, so that it is not easy to discharge, thereby causing waste of ethyl pyruvate crystals, and the discharged solution and ethyl pyruvate crystals need to be placed in other devices for separation, and a lot of time is needed for the placement process. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides an ethyl pyruvate crystallization device to solve the problems raised in the background art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] An ethyl pyruvate crystallization device, comprising a crystallization box, a feed pipe is fixedly installed on the top of the crystallization box, a cooling pipe is fixedly installed on the surface of the crystallization box, a stirring assembly is arranged inside the crystallization box, a scraper is arranged inside the crystallization box through the stirring assembly, a vibration assembly is arranged on the front side of the crystallization box, a connecting pipe is fixedly installed on the bottom of the crystallization box, a valve is arranged on the connecting pipe, a filter box is fixedly installed on the bottom end of the connecting pipe, a filter assembly is arranged inside the filter box, and a liquid outlet pipe is fixedly installed on the bottom of the filter box.

[0007] Preferably, the stirring assembly comprises a driving motor fixedly arranged at the top of the crystallization tank, an output end of the driving motor extending to the inside of the crystallization tank through the crystallization tank and fixedly installed with a rotating shaft, and the rotating shaft is fixedly installed with a stirring rod.

[0008] Preferably, the vibrating assembly comprises a support plate fixedly arranged at the front side of the crystallization tank, an ultrasonic generator fixedly installed at the top of the support plate, and an ultrasonic vibrator arranged at the rear side of the ultrasonic generator and abutting against the crystallization tank.

[0009] Preferably, the filtering assembly comprises a frame body slidingly arranged in the inside of the filtering tank, and a filter screen fixedly installed at the inner wall of the frame body.

[0010] Preferably, a tank door is hingedly arranged at the front side of the filtering tank, and a handle is fixedly installed at the front side of the tank door.

[0011] Preferably, mounting plates are fixedly installed at the left and right sides of the crystallization tank, support frames are fixedly installed at the surfaces of the mounting plates, and the support frames are fixedly connected with the filtering tank.

[0012] Preferably, a threaded cover is threadedly connected with the top end of the feeding pipe, anti-skid lines are arranged at the surface of the threaded cover, and the threaded cover is made of stainless steel.

[0013] Compared with the prior art, the acetylethyl ketone crystallization device has the advantages that after the crystallization of the acetylethyl ketone saturated solution is completed, the valve is opened, the solution and the acetylethyl ketone crystals enter the filtering tank from the connecting pipe, are filtered by the filtering assembly, the solution can pass through the filtering assembly and be discharged from the liquid outlet pipe, the acetylethyl ketone crystals are blocked on the filtering assembly, the valve is opened at the same time, the crystallization tank is vibrated by the vibrating assembly, the adhered acetylethyl ketone crystals are vibrated to fall off, the adhered acetylethyl ketone crystals are scraped off by the scraper driven by the stirring assembly, the goal of cleaning the acetylethyl ketone crystals adhered to the inner wall of the crystallization tank is achieved, the acetylethyl ketone crystals can more completely enter the filtering tank, the waste of the acetylethyl ketone crystals can be reduced, the automatic separation of the solution and the acetylethyl ketone crystals can be realized, the additional device for separating the solution and the acetylethyl ketone crystals is avoided, and the required acetylethyl ketone crystals can be obtained more quickly. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional view of the utility model;

[0015] Figure 2 It is a right section view of the utility model;

[0016] Figure 3 It is a front section view of the utility model;

[0017] Figure 4 For the utility model Figure 3 The enlarged view of A in the middle.

[0018] In the figure: 1, crystallization box; 2, feed pipe; 3, cooling pipe; 4, driving motor; 5, rotating shaft; 6, stirring rod; 7, scraper; 8, support plate; 9, ultrasonic generator; 10, ultrasonic vibrator; 11, connecting pipe; 12, valve; 13, filter box; 14, frame; 15, filter screen; 16, box door; 17, handle; 18, liquid outlet pipe; 19, mounting plate; 20, support frame. Specific implementation

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] Refer to Figures 1-4The utility model provides an ethyl pyruvate crystallization device, including crystallization box 1, the top fixed mounting of crystallization box 1 has feed pipe 2, the top end screw thread connection of feed pipe 2 has screw cap, the surface of screw cap is provided with antiskid line, and screw cap adopts stainless steel material and is made, the surface fixed mounting of crystallization box 1 has cooling pipe 3, the inside of crystallization box 1 is provided with stirring subassembly, the inside of crystallization box 1 is provided with scraper 7 through stirring subassembly, the front of crystallization box 1 is provided with vibration subassembly, vibration subassembly includes the support plate 8 of fixed setting in the front of crystallization box 1, the top fixed mounting of support plate 8 has ultrasonic generator 9, and the rear of ultrasonic generator 9 is provided with ultrasonic vibrator 10, and ultrasonic vibrator 10 is in line with crystallization box 1, and the vibration of ultrasonic vibrator 10 is made to ultrasonic generator 9, and the vibration of crystallization box 1 is made, and the adhesion between the crystal and the inner wall of crystallization box 1 is weakened, and the rotation of scraper 7 is cooperated, so that the crystal can better fall off, so that the waste of crystal can be reduced, the bottom fixed mounting of crystallization box 1 has connecting pipe 11, and the valve 12 of connecting pipe 11 is provided with, and the bottom fixed mounting of connecting pipe 11 has filter box 13, and the inside of filter box 13 is provided with filter assembly, and the bottom fixed mounting of filter box 13 has liquid outlet pipe 18, and the both sides of crystallization box 1 are all fixedly installed with mounting plate 19, and the surface fixed mounting of mounting plate 19 has support frame 20, and support frame 20 is fixedly connected with filter box 13, and the support effect of crystallization box 1 and filter box 13 is facilitated, the ethyl pyruvate crystallization device, after the crystallization of ethyl pyruvate saturated solution is completed, opens valve 12, and the solution and ethyl pyruvate crystal enter filter box 13 from connecting pipe 11, are filtered through filter assembly, and the solution can pass through filter assembly and discharge from liquid outlet pipe 18, and the ethyl pyruvate crystal is blocked on filter assembly, opens valve 12 simultaneously, and the crystal that adheres is vibrated down through the vibration of crystallization box 1 to vibration subassembly, and the scraper 7 driven by stirring subassembly will scrape the crystal that adheres, realize the goal that the ethyl pyruvate crystal adhered in the inner wall of crystallization box 1 is cleaned, the ethyl pyruvate crystal can be more completely entered filter box 13, the waste of ethyl pyruvate crystal can be reduced, and the separation of solution and ethyl pyruvate crystal can be realized, need not using additional device to separate solution and ethyl pyruvate crystal, and the ethyl pyruvate crystal required can be obtained more quickly.

[0021] According to Figure 2As shown, the stirring assembly includes a drive motor 4 fixedly arranged on the top of the crystallization tank 1, the output end of the drive motor 4 extends through the crystallization tank 1 to the inside of the crystallization tank 1 and is fixedly installed with a rotating shaft 5, the surface of the rotating shaft 5 is fixedly installed with a stirring rod 6, and the rotating shaft 5 is fixedly connected with a scraper 7. In the process of low-temperature crystallization of the ethyl pyruvate saturated solution, the rotating shaft 5 is driven to rotate by the drive motor 4, so that the stirring rod 6 rotates, thereby facilitating the stirring of the ethyl pyruvate saturated solution, thereby accelerating the crystallization speed of the ethyl pyruvate saturated solution.

[0022] According to Figure 1 and Figure 2 As shown, the filter assembly includes a frame 14 slidingly arranged in the inside of the filter tank 13, the inner wall of the frame 14 is fixedly installed with a filter screen 15, the front side of the filter tank 13 is hingedly provided with a tank door 16, the front side of the tank door 16 is fixedly installed with a handle 17. The solution can pass through the filter screen 15 and be discharged from the liquid outlet pipe 18, while the ethyl pyruvate crystals cannot pass through the filter screen 15 and are blocked on the filter screen 15, thereby automatically separating the ethyl pyruvate crystals from the solution, without the need of using additional devices for separation. When the tank door 16 is opened by the handle 17, the frame 14 and the filter screen 15 can be taken out of the filter tank 13, thereby facilitating the collection of the ethyl pyruvate crystals on the filter screen 15.

[0023] The electrical components in this document are all connected with the main controller and 220V mains, and the main controller can be a computer or other conventional known device that can be controlled.

[0024] In use: the threaded cap on the feed pipe 2 is removed, the ethyl pyruvate saturated solution is added to the crystallization tank 1 from the feed pipe 2, after the addition is completed, the threaded cap is installed, the cold air is continuously input into the cooling pipe 3, so that the cooling pipe 3 is cooled, thereby cooling the crystallization tank 1, so that the ethyl pyruvate saturated solution is cooled and crystallized. At the same time, the drive motor 4 is started, the rotating shaft 5 is rotated, the stirring rod 6 is rotated, the ethyl pyruvate saturated solution is stirred, after the crystallization is completed, the valve 12 is opened, the solution and the ethyl pyruvate crystals enter the filter tank 13 from the connecting pipe 11, are filtered by the filter screen 15, the solution can pass through the filter screen 15 and be discharged from the liquid outlet pipe 18, while the ethyl pyruvate crystals cannot pass through the filter screen 15 and are blocked on the filter screen 15. At the same time that the valve 12 is opened, the ultrasonic generator 9 is used to make the ultrasonic vibrator 10 vibrate, so that the crystallization tank 1 vibrates, the ethyl pyruvate crystals are vibrated to fall, at the same time, the rotating shaft 5 rotates to drive the scraper 7 to rotate, the ethyl pyruvate crystals are scraped off. After the filtration is completed, the tank door 16 is opened by the handle 17, the frame 14 and the filter screen 15 are taken out, the ethyl pyruvate crystals in the filter screen 15 are removed.

[0025] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0026] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. An apparatus for crystallizing ethyl pyruvate, comprising a crystallization chamber (1), characterized in that, A feed pipe (2) is fixedly installed on the top of the crystallization box (1), a cooling pipe (3) is fixedly installed on the surface of the crystallization box (1), a stirring assembly is provided inside the crystallization box (1), a scraper (7) is provided inside the crystallization box (1) through the stirring assembly, a vibration assembly is provided on the front side of the crystallization box (1), a connecting pipe (11) is fixedly installed at the bottom of the crystallization box (1), a valve (12) is provided on the connecting pipe (11), a filter box (13) is fixedly installed at the bottom end of the connecting pipe (11), a filter assembly is provided inside the filter box (13), and an outlet pipe (18) is fixedly installed at the bottom of the filter box (13).

2. The ethyl pyruvate crystallization apparatus according to claim 1, characterized in that, The stirring assembly includes a drive motor (4) fixedly installed on the top of the crystallization box (1). The output end of the drive motor (4) extends through the crystallization box (1) into the interior of the crystallization box (1) and is fixedly installed with a rotating shaft (5). A stirring rod (6) is fixedly installed on the surface of the rotating shaft (5). The rotating shaft (5) is fixedly connected to a scraper (7).

3. The ethyl pyruvate crystallization apparatus according to claim 1, characterized in that, The vibration assembly includes a support plate (8) fixedly installed on the front side of the crystallization box (1), an ultrasonic generator (9) fixedly installed on the top of the support plate (8), an ultrasonic vibrator (10) is provided on the rear side of the ultrasonic generator (9), and the ultrasonic vibrator (10) is in contact with the crystallization box (1).

4. The ethyl pyruvate crystallization apparatus according to claim 1, characterized in that, The filter assembly includes a frame (14) that is slidably disposed inside the filter box (13), and a filter screen (15) is fixedly installed on the inner wall of the frame (14).

5. The ethyl pyruvate crystallization apparatus according to claim 1, characterized in that, The filter box (13) is hinged to the front side with a door (16), and a handle (17) is fixedly installed on the front side of the door (16).

6. The ethyl pyruvate crystallization apparatus according to claim 1, characterized in that, The crystallization box (1) is fixedly installed with mounting plates (19) on both the left and right sides. A support frame (20) is fixedly installed on the surface of the mounting plate (19). The support frame (20) is fixedly connected to the filter box (13).

7. The ethyl pyruvate crystallization apparatus according to claim 1, characterized in that, The feed pipe (2) has a threaded cap at the top, the surface of which is provided with anti-slip texture and is made of stainless steel.

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