Crystallization device for chemical reagent production

Abstract

The utility model discloses a crystallization device for chemical reagent production, which relates to the technical field of crystallization equipment and comprises a box body, a feed pipe is fixedly connected to the side wall of the box body close to the upper end, a refrigerant pipe is arranged in the box body, a first discharge pipe is fixedly connected to the lower end of the box body, and a servo motor is fixedly connected to the upper end of the box body. The output end of the servo motor penetrates through the inner top wall of the box body, the output end of the servo motor is fixedly connected with a rotating frame, the inner wall of the rotating frame is uniformly and fixedly connected with a plurality of stirring plates, the lower end of the first discharging pipe is provided with a conveying assembly, the conveying assembly comprises a conveying pipe, and one end of the conveying pipe is fixedly connected with a second motor. The rotating frame is used for scraping crystals adhered to the inner wall of the box body, the phenomenon that the crystals are adhered to the inner wall of the box body is avoided, sufficient heat exchange between a subsequent solution and a refrigerant pipe is prevented, the rotating frame drives the stirring plate to move while rotating, and a chemical reagent is effectively stirred, so that the crystallization efficiency is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of crystallization equipment, in particular to a crystallization device for chemical reagent production. Background Art

[0002] Chemical reagents are relative standard substances for chemical research and component analysis. They are an important condition for scientific and technological progress. They are widely used in the synthesis, separation, qualitative and quantitative analysis of substances. They can be said to be the eyes of chemists. In the daily work of factories, schools, hospitals and research institutes, chemical reagents are indispensable. During the processing of chemical reagents, crystallization equipment is usually used to crystallize and precipitate the chemical reagents.

[0003] For example, the patent with the announcement number CN209302228U discloses a crystallization device, which is characterized by comprising a crystallization barrel, the crystallization barrel being a conical structure, the inner wall of the crystallization barrel being fixed with a liquid inlet pipe and a refrigerant pipe, the liquid inlet pipe being arranged above the refrigerant pipe, the liquid inlet pipe being fixed with a plurality of liquid outlet pipes, the crystallization barrel being fixed with a discharge box, the discharge box being arranged below the refrigerant pipe, one end of the discharge box being provided with a discharge port, the other end being fixed with a motor, the motor output shaft being fixedly connected with a stirring rod through a coupling. The above-mentioned crystallization device is lacking. Although the device realizes crystallization, it has limitations, and the inner wall of the existing crystallization barrel is prone to adhesion and crystallization, forming a barrier layer, which prevents the subsequent solution from fully exchanging heat with the refrigerant pipe, which not only reduces the cooling efficiency, but also reduces the effective crystallization area, thereby significantly slowing down the crystallization rate and yield.

[0004] Therefore, in order to solve such problems, we proposed a crystallization device for chemical reagent production. Utility Model Content

[0005] The purpose of the present invention is to provide a crystallization device for producing chemical reagents, aiming to solve the problem in the above-mentioned background technology that the existing crystallization device is easy to adhere to the inner wall of the existing crystallization barrel during use, thereby preventing the subsequent solution from fully exchanging heat with the refrigerant pipe.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a crystallization device for chemical reagent production, comprising a box body, a feed pipe is fixedly connected to the side wall of the box body near the upper end, a refrigerant pipe is arranged inside the box body, a first discharge pipe is fixedly connected to the lower end of the box body, a servo motor is fixedly connected to the upper end of the box body, the output end of the servo motor passes through the top wall of the box body, and the output end of the servo motor is fixedly connected to a rotating frame, a number of stirring plates are evenly fixedly connected to the inner wall of the rotating frame, a conveying assembly is provided at the lower end of the first discharge pipe, the conveying assembly includes a conveying pipe, the conveying pipe is fixedly connected to the first discharge pipe, one end of the conveying pipe is fixedly connected to the second motor, the output end of the second motor is fixedly connected to a rotating column, the end of the rotating column away from the second motor passes through the inside of the conveying pipe, the side wall of the rotating column located inside the conveying pipe is fixedly installed with a spiral blade, and the side wall of the conveying pipe away from the second motor is fixedly connected to the second discharge pipe.

[0007] Preferably, a third discharge pipe is fixedly connected to the side wall of the conveying pipe away from the second motor, and the third discharge pipe is located on a side of the second discharge pipe close to the second motor.

[0008] Preferably, a limiting groove is provided in the top wall of the box body, the upper end of the rotating frame is fixedly connected to a limiting block, and the limiting block is slidably connected to the inner wall of the limiting groove.

[0009] Preferably, the side wall of the rotating frame abutting against the inner wall of the box is in an arc shape.

[0010] Preferably, the servo motor and the second motor are electrically connected via an external controller.

[0011] Preferably, a fixing column is fixedly connected to the lower end of the box body, and the lower end of the fixing column is fixedly connected to the delivery pipe.

[0012] The utility model has the following beneficial effects:

[0013] In the utility model, a rotating frame is used to scrape off crystals adhered to the inner wall of the box, avoiding the formation of an obstacle layer due to crystallization adhered to the inner wall of the box, preventing the subsequent solution from fully exchanging heat with the refrigerant pipe, and increasing the crystallization efficiency. While rotating, the rotating frame also drives the movement of the stirring plate to effectively stir the chemical reagents, thereby further improving the crystallization efficiency. Secondly, spiral blades are used to collect crystals to achieve continuous production, save manpower, have high efficiency, and have a simple structure and are easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a three-dimensional schematic diagram of a crystallization device for producing chemical reagents proposed in the present invention;

[0015] Figure 2 This is a three-dimensional schematic diagram of the internal structure of a crystallization device for producing chemical reagents proposed in the present invention;

[0016] Figure 3 This is a cross-sectional view of a box in a crystallization device for producing chemical reagents proposed in the present invention;

[0017] Figure 4 This is a three-dimensional exploded schematic diagram of a conveying component in a crystallization device for producing chemical reagents proposed by the present invention.

[0018] Legend:

[0019] 1. Box body; 101. Limiting groove; 11. Feed pipe; 12. Refrigerant pipe; 13. First discharge pipe; 14. Fixed column; 2. Servo motor; 21. Rotating frame; 22. Stirring plate; 23. Limiting block; 3. Conveying assembly; 31. Conveying pipe; 32. Second motor; 33. Rotating column; 34. Spiral blade; 35. Second discharge pipe; 36. Third discharge pipe. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] In the description of the present invention, it should be noted that the terms "center," "up," "down," "left," "right," "vertical," "horizontal," "inside," "outside," etc., indicating positions or positional relationships, are based on the positions or positional relationships shown in the accompanying drawings and are used only to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific position, be constructed and operate in a specific position. Therefore, they should not be understood as limiting the present invention. The terms "first," "second," and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance. In addition, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can be fixedly connected, detachably connected, or integrally connected. They can be mechanically connected or electrically connected. They can be directly connected, indirectly connected through an intermediate medium, or can be internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0022] Reference Figure 1-4, the utility model provides an embodiment: a crystallization device for chemical reagent production, including a box body 1, a feed pipe 11 is fixedly connected to the side wall of the box body 1 near the upper end, a refrigerant pipe 12 is arranged inside the box body 1, a first discharge pipe 13 is fixedly connected to the lower end of the box body 1, a servo motor 2 is fixedly connected to the upper end of the box body 1, the output end of the servo motor 2 passes through the top wall of the box body 1, and the output end of the servo motor 2 is fixedly connected to a rotating frame 21, and a plurality of stirring plates 22 are evenly fixedly connected to the inner wall of the rotating frame 21, the first discharge pipe 1 A conveying assembly 3 is provided at the lower end of the conveying assembly 3, which includes a conveying pipe 31. The conveying pipe 31 is fixedly connected to the first discharge pipe 13. One end of the conveying pipe 31 is fixedly connected to the second motor 32. The output end of the second motor 32 is fixedly connected to a rotating column 33. The end of the rotating column 33 away from the second motor 32 passes through the interior of the conveying pipe 31. A spiral blade 34 is fixedly installed on the side wall of the rotating column 33 located inside the conveying pipe 31. The side wall of the conveying pipe 31 away from the second motor 32 is fixedly connected to the second discharge pipe 35.

[0023] This arrangement inputs the chemical reagent to be condensed into the box body 1 through the feed pipe 11, and then starts the servo motor 2, so that the servo motor 2 drives the rotating frame 21 to rotate on the inner wall of the box body 1, and then uses the rotating frame 21 to scrape off the crystals adhered to the inner wall of the box body 1, and the rotating frame 21 simultaneously drives the stirring plate 22 to stir the chemical reagent, thereby increasing fluidity, and then the crystals fall into the conveying pipe 31 through the first discharge pipe 13, and then starts the second motor 32, so that the second motor 32 drives the rotating column 33 to rotate, so that the rotating column 33 drives the spiral blade 34 to rotate, so that the spiral blade 34 drives the crystals to be discharged from the second discharge pipe 35.

[0024] A third discharge pipe 36 is fixedly connected to the side wall of the conveying pipe 31 away from the second motor 32, and the third discharge pipe 36 is located on the side of the second discharge pipe 35 close to the second motor 32, and a filter is provided at the connection between the third discharge pipe 36 and the conveying pipe 31, so that the third discharge pipe 36 is used to collect excess chemical reagents driven by the spiral blade 34 when the crystals are discharged from the second discharge pipe 35, thereby reducing waste.

[0025] A limiting groove 101 is provided on the top wall of the box body 1, and the upper end of the rotating frame 21 is fixedly connected to the limiting block 23, which is slidably connected to the inner wall of the limiting groove 101, so as to limit the rotating frame 21 by the limiting block 23 and increase the rotation stability of the rotating frame 21.

[0026] The side wall of the rotating frame 21 that contacts the inner wall of the box body 1 is in an arc shape, so that the side wall of the rotating frame 21 fits more closely to the inner wall of the box body 1 .

[0027] The servo motor 2 and the second motor 32 are electrically connected via an external controller, and the controller controls the turning on and off of the servo motor 2 and the second motor 32 .

[0028] A fixing column 14 is fixedly connected to the lower end of the box body 1 , and the lower end of the fixing column 14 is fixedly connected to the delivery pipe 31 for fixing the delivery pipe 31 and increasing the stability of the delivery pipe 31 .

[0029] Working principle: First, the chemical reagent to be condensed is input into the box body 1 through the feed pipe 11, and then the servo motor 2 is started through the controller. The servo motor 2 drives the rotating frame 21 to rotate on the inner wall of the box body 1, and then the rotating frame 21 is used to scrape off the crystals adhered to the inner wall of the box body 1, and the rotating frame 21 simultaneously drives the stirring plate 22 to stir the chemical reagent, thereby increasing the fluidity, and then the crystals fall into the conveying pipe 31 through the first discharge pipe 13, and then the second motor 32 is started, the second motor 32 drives the rotating column 33 to rotate, the rotating column 33 drives the spiral blade 34 to rotate, and the spiral blade 34 drives the crystals to be discharged from the second discharge pipe 35, thereby realizing continuous production.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A crystallization device for producing chemical reagents, comprising a housing (1), characterized in that: The side wall of the box body (1) near the upper end is fixedly connected with a feed pipe (11), a refrigerant pipe (12) is provided inside the box body (1), a first discharge pipe (13) is fixedly connected to the lower end of the box body (1), a servo motor (2) is fixedly connected to the upper end of the box body (1), the output end of the servo motor (2) passes through the inner top wall of the box body (1), and the output end of the servo motor (2) is fixedly connected to a rotating frame (21), and a plurality of stirring plates (22) are evenly fixedly connected to the inner wall of the rotating frame (21), a conveying component (3) is provided at the lower end of the first discharge pipe (13), and the conveying component ( 3) includes a conveying pipe (31), the conveying pipe (31) is fixedly connected to the first discharge pipe (13), one end of the conveying pipe (31) is fixedly connected to the second motor (32), the output end of the second motor (32) is fixedly connected to the rotating column (33), the end of the rotating column (33) away from the second motor (32) passes through the interior of the conveying pipe (31), a spiral blade (34) is fixedly installed on the side wall of the rotating column (33) located inside the conveying pipe (31), and the side wall of the conveying pipe (31) away from the second motor (32) is fixedly connected to the second discharge pipe (35).

2. A crystallization device for producing chemical reagents according to claim 1, characterized in that: A third discharge pipe (36) is fixedly connected to the side wall of the delivery pipe (31) at one end away from the second motor (32), and the third discharge pipe (36) is located on a side of the second discharge pipe (35) close to the second motor (32).

3. The crystallization device for producing a chemical reagent according to claim 1, characterized in that: A limiting groove (101) is provided on the inner top wall of the box body (1); the upper end of the rotating frame (21) is fixedly connected to a limiting block (23); and the limiting block (23) is slidably connected to the inner wall of the limiting groove (101).

4. The crystallization device for producing a chemical reagent according to claim 1, characterized in that: The side wall of the rotating frame (21) abutting against the inner wall of the box body (1) is in an arc shape.

5. The crystallization device for producing chemical reagents according to claim 1, characterized in that: The servo motor (2) and the second motor (32) are both electrically connected via an external controller.

6. The crystallization device for producing chemical reagents according to claim 1, characterized in that: The lower end of the box body (1) is fixedly connected to a fixing column (14), and the lower end of the fixing column (14) is fixedly connected to the delivery pipe (31).

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