Crystallization kettle with good cooling effect

Abstract

The utility model discloses a crystallization kettle with a good cooling effect, which comprises a kettle body, a cooling coil, a stirring driving source, a stirring assembly, a wall scraping driving mechanism and a wall scraping assembly, the kettle body is provided with a feed port and a discharge port, the feed port is arranged above the kettle body, the discharge port is arranged below the kettle body, the stirring assembly is arranged on the stirring driving source, and the wall scraping assembly is arranged on the stirring driving source. The cooling coil is wound and tightly attached to the outer wall of the kettle body, and the cooling coil is suitable for introducing a refrigerant; the stirring driving source is mounted at the top of the kettle body and is provided with a stirring shaft which extends downwards into the kettle body; the stirring assembly is mounted on a stirring shaft of the stirring driving source; the stirring driving source is suitable for driving the stirring assembly to rotate through the stirring shaft; the wall scraping driving mechanism is mounted at the bottom of the kettle body and is provided with a transmission shaft which extends upwards into the kettle body. The cooling device can realize efficient cooling of the crystallization kettle.

Description

Technical Field

[0001] The utility model relates to a crystallization kettle with good cooling effect, belonging to the technical field of chemical equipment. Background Art

[0002] At present, in the field of industrial crystallization, the crystallization kettle is used to achieve rapid cooling and crystallization through refrigerant after the material is mixed and reacted. Due to the high crystal concentration and solid precipitation, the material concentration at the bottom of the tank is often higher than that at the top of the tank, which leads to increased viscosity of the crystal liquid at the bottom of the tank and easy wall adhesion and accumulation. This will affect the cooling efficiency of the entire kettle as the thickness of the crystals on the side walls and bottom increases, thereby reducing the crystallization efficiency.

[0003] After searching the prior art, it was found that the Chinese patent with the announcement number CN217220249U disclosed a crystallization kettle for chemical production. During use, it was found that the stirring and scraping plates used the same drive motor, the stirring efficiency was not high, and the scraping plates set in the kettle had a dead angle at the bottom of the tank, resulting in poor scraping effect. Summary of the invention

[0004] The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide a crystallization kettle with good cooling effect, which can realize efficient cooling of the crystallization kettle.

[0005] In order to solve the above technical problems, the technical solution of the utility model is: a crystallization kettle with good cooling effect, comprising:

[0006] A kettle body, wherein the kettle body is provided with a feed inlet and a discharge inlet, wherein the feed inlet is arranged above the kettle body, and the discharge inlet is arranged below the kettle body;

[0007] A cooling coil, the cooling coil is wound around and closely arranged on the outer wall of the kettle body, and the cooling coil is suitable for passing a refrigerant;

[0008] A stirring drive source, the stirring drive source is mounted on the top of the kettle body, and the stirring drive source is provided with a stirring shaft extending downward into the kettle body;

[0009] A stirring assembly, the stirring assembly being mounted on a stirring shaft of the stirring drive source;

[0010] The stirring driving source is suitable for driving the stirring component to rotate through the stirring shaft;

[0011] A wall scraping drive mechanism, the wall scraping drive mechanism is installed at the bottom of the kettle body, and the wall scraping drive mechanism is provided with a transmission shaft extending upward into the kettle body;

[0012] A wall scraping assembly, wherein the wall scraping assembly is mounted on a transmission shaft of the wall scraping drive mechanism;

[0013] The wall scraping driving mechanism is suitable for driving the wall scraping assembly to rotate through the transmission shaft.

[0014] Furthermore, in order to scrape the bottom and side walls of the kettle body, the wall scraping assembly includes a bottom scraper and a pair of side wall scrapers connected to both ends of the bottom scraper;

[0015] The bottom scraper is mounted on the transmission shaft;

[0016] The bottom scraper and the side wall scraper are respectively arranged in contact with the inner bottom surface and the inner wall surface of the kettle body.

[0017] Furthermore, in order to guide and drive the material to be discharged, the bottom scraper is an S-shaped structure, and the bottom scraper is suitable for bringing the material into the discharge port.

[0018] Further, in order to enhance the structural stability of the wall scraping assembly, the wall scraping assembly further comprises at least one supporting rib, wherein the supporting rib is suitable for connecting a pair of the side wall scrapers;

[0019] The supporting ribs are provided with avoidance holes suitable for passing the stirring shaft.

[0020] Furthermore, in order to improve the cooling effect in the kettle body, the crystallization kettle with good cooling effect also includes a refrigeration pipe, the refrigeration pipe is spirally arranged above the kettle body, and the refrigeration pipe is connected to the cooling coil.

[0021] Furthermore, a specific structure of a stirring component is provided, wherein the stirring component comprises three paddles, and the three paddles are arranged on the stirring shaft at intervals.

[0022] Furthermore, the temperature inside the kettle body is monitored in real time. The crystallization kettle with good cooling effect also includes a temperature probe, which is installed on the kettle body. The temperature probe is provided with a detection end, and the detection end extends into the kettle body.

[0023] Furthermore, the crystallization kettle with good cooling effect also includes at least one pair of mounting seats, and the mounting seats are fixed on the outer wall of the kettle body.

[0024] Furthermore, a specific type of stirring drive source is provided, wherein the stirring drive source is a motor.

[0025] Furthermore, the wall scraping drive mechanism includes a reduction mechanism and a drive motor. The reduction mechanism is installed at the bottom of the kettle body. The reduction mechanism is provided with an input end and a reduction end. The input end is connected to the output end of the drive motor. The reduction end of the reduction mechanism is connected to the transmission shaft.

[0026] By adopting the above technical solution, the utility model has the following beneficial effects:

[0027] In the utility model, when the inside of the kettle needs to be crystallized, first, the cooling coil begins to introduce refrigerant to lower the temperature inside the kettle, then the stirring drive source is started, and the stirring assembly is driven to work through the stirring shaft, so that the materials are evenly mixed inside the kettle, and other positions inside the kettle are driven to conduct heat and cool down. At this time, the thickness of the crystals on the inner wall of the kettle increases, and then the wall scraping drive mechanism is started to drive the wall scraping assembly to perform the wall scraping operation. The wall scraping process is driven separately from the stirring process, ensuring that the efficiency of the stirring process is not affected.

[0028] In addition, the bottom scraper of the scraper assembly adopts an S-shaped structure, so that the bottom scraper can effectively drive the material at the bottom of the kettle body to move toward the discharge port, and at the same time effectively solve the problem of easy blockage of the discharge port; the stirring assembly is set with three blades at intervals, which further realizes the uniform mixing of the material in the kettle body; the temperature probe installed on the kettle body can monitor the temperature in the kettle in real time, which provides assistance for the temperature during the entire crystallization process.

[0029] In summary, the utility model not only directly improves the cooling efficiency in the kettle body by improving the efficiency of material stirring, thereby accelerating the crystallization reaction rate, but also effectively avoids the problem of discharge port blockage during the crystallization process, thereby improving the stability and quality of the crystallization process. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a three-dimensional structural schematic diagram of a crystallization kettle with good cooling effect of the utility model;

[0031] Figure 2 This is a schematic diagram of the internal structure of a crystallization kettle with good cooling effect of the utility model;

[0032] Figure 3 It is a schematic diagram of the internal three-dimensional structure of the crystallization kettle with good cooling effect of the utility model. DETAILED DESCRIPTION

[0033] In order to make the content of the utility model more clearly understood, the utility model is further described in detail below based on specific embodiments and in conjunction with the accompanying drawings.

[0034] like Figure 1-3 As shown, a crystallization kettle with good cooling effect comprises:

[0035] A kettle body 1, wherein a feed inlet 11 and a discharge port 12 are provided on the kettle body 1, wherein the feed inlet 11 is provided above the kettle body 1, and the discharge port 12 is provided below the kettle body 1;

[0036] A cooling coil 2, the cooling coil 2 is wound around and closely arranged on the outer wall of the kettle body 1, and the cooling coil 2 is suitable for passing a refrigerant;

[0037] A stirring driving source 3, which is installed on the top of the kettle body 1, and is provided with a stirring shaft extending downward into the kettle body 1;

[0038] A stirring component 4, wherein the stirring component 4 is mounted on a stirring shaft of the stirring driving source 3;

[0039] The stirring driving source 3 is suitable for driving the stirring component 4 to rotate through the stirring shaft;

[0040] The scraping drive mechanism 5 is installed at the bottom of the kettle body 1, and the scraping drive mechanism 5 is provided with a transmission shaft extending upward into the kettle body 1;

[0041] A wall scraping assembly, which is mounted on the transmission shaft of the wall scraping driving mechanism 5;

[0042] The wall scraping driving mechanism 5 is suitable for driving the wall scraping assembly to rotate via a transmission shaft.

[0043] In this embodiment, if Figure 1-2 As shown, in the utility model, when the inside of the kettle body 1 needs to be crystallized, first, the cooling coil 2 starts to introduce refrigerant to reduce the temperature inside the kettle body 1, then the stirring drive source 3 is started, and the stirring assembly 4 is driven by the stirring shaft to start working, so as to promote the uniform mixing of the materials inside the kettle body 1, and drive the heat conduction and cooling of other positions inside the kettle body 1. At this time, the thickness of the crystals on the inner wall of the kettle body 1 increases, and then the wall scraping drive mechanism 5 is started to drive the wall scraping assembly to perform the wall scraping operation. The wall scraping process is driven separately from the stirring process to ensure that the efficiency of the stirring process is not affected. The refrigerant can be brine or refrigerant, etc.

[0044] Specifically, Figure 1-3 As shown, the wall scraping assembly includes a bottom scraper 61 and a pair of side wall scrapers 62 connected to both ends of the bottom scraper 61;

[0045] The bottom scraper 61 is mounted on the transmission shaft;

[0046] The bottom scraper 61 and the side wall scraper 62 are respectively arranged to fit the inner bottom surface and the inner wall surface of the kettle body 1 .

[0047] In this embodiment, if Figure 1-3 As shown, the role of the wall scraper assembly during the crystallization process is to prevent the material from crystallizing on the inner wall of the kettle body 1 and keep the inner wall of the kettle body 1 smooth. The side wall scraper 62 continuously scrapes the inner wall of the kettle body 1 during rotation to scrape off the crystallized material; the bottom scraper 61 scrapes the bottom of the kettle to prevent material accumulation.

[0048] Specifically, Figure 2-3 As shown, the bottom scraper 61 is an S-shaped structure, and the bottom scraper 61 is suitable for carrying materials into the discharge port 12.

[0049] In this embodiment, if Figure 1-3 As shown, the S-shaped structure enables the bottom scraper 61 to gather and push the material toward the discharge port 12 below the kettle body 1 when rotating. When the bottom scraper 61 rotates, its front end will continuously push the bottom material toward the discharge port, accelerating the discharge speed of the material. At the same time, it effectively solves the problem of easy clogging of the discharge port. The S-shaped structure forms two groove-like structures on both sides. This structure is conducive to concentrating the bottom material and preventing the material from remaining in the corners of the bottom of the kettle to cause dead corners.

[0050] Specifically, Figure 2-3 As shown, the wall scraping assembly further includes two supporting ribs 63, and the supporting ribs 63 are suitable for connecting a pair of side wall scrapers 62;

[0051] The supporting rib 63 is provided with an avoidance hole suitable for passing the stirring shaft.

[0052] In this embodiment, if Figure 2-3 As shown, the function of the support rib 63 is to connect and reinforce a pair of side wall scrapers 62, enhance the structural stability and stability of the entire scraping wall assembly, and prevent distortion during rotation. The support rib 63 is provided with an avoidance hole suitable for passing through the stirring shaft. This design is to avoid interference and collision between the support rib 63 and the middle stirring shaft, and ensure that the stirring shaft and the stirring assembly 4 can rotate normally. In actual operation, the support rib 63 rotates together with the side wall scraper 62 to play a supporting and reinforcing role. The diameter of the avoidance hole needs to be larger than the outer diameter of the stirring shaft so that the support rib 63 can rotate smoothly around the stirring shaft without hindrance. Of course, in some embodiments, the number of support ribs 63 can be set according to actual needs. The more the number, the better the support, but it will also increase the resistance to stirring. In addition, the support rib 63 can also be connected to the side wall scraper 62 by means of an annular support frame, and the support rib 63 can be set to be movable and detachable to facilitate installation and maintenance.

[0053] Specifically, Figure 1 and Figure 3 As shown, the crystallization kettle with good cooling effect also includes a refrigeration pipe 7, which is spirally arranged on the upper part of the kettle body 1, and the refrigeration pipe 7 is connected to the cooling coil 2.

[0054] In this embodiment, if Figure 2-3As shown, the refrigeration pipe 7 is connected to the external cooling coil 2, and the same refrigerant can circulate. After the refrigerant is introduced into the cooling coil 2, the refrigerant flows back to the cooling coil 2 after passing through the refrigeration pipe 7, forming a closed-loop cycle. The low temperature is transferred to the upper area inside the kettle body through the refrigeration pipe 7, and two cooling heat sources are formed with the outer cooling coil 2, which can achieve all-round uniform cooling. The refrigeration pipe 7 is arranged in a spiral shape. On the one hand, it increases the contact area with the material and promotes heat exchange; on the other hand, it is also beneficial to the flow convection of the material during the stirring process to ensure uniform temperature. The pipe diameter, spiral pitch and number of rings of the refrigeration pipe 7 can be adjusted according to actual needs.

[0055] Specifically, Figure 2 As shown, the stirring assembly 4 includes three blades, and the three blades are arranged on the stirring shaft at intervals.

[0056] In this embodiment, if Figure 2-3 As shown, the stirring direction of one of the three blades is different from that of the other blades to produce a convection effect, which speeds up the flow and stirring of the material in the kettle, promotes the heat exchange between the material and the kettle wall and the refrigeration tube 7, and achieves faster and more uniform cooling and crystallization.

[0057] Specifically, Figure 1-2 As shown, the crystallization kettle with good cooling effect also includes a temperature probe 8, which is installed on the kettle body 1. The temperature probe 8 is provided with a detection end, which extends into the kettle body 1.

[0058] In this embodiment, if Figure 1-2 As shown, the function of the temperature probe 8 is to monitor and feedback the temperature change of the material inside the kettle body 1 in real time, and provide a basis for controlling the entire cooling crystallization process. Of course, in some embodiments, the number of temperature probes 8 is not limited to one, and can be set according to specific needs.

[0059] Specifically, Figure 1 As shown, the crystallization kettle with good cooling effect also includes two pairs of mounting seats 9, and the mounting seats 9 are fixed on the outer wall of the kettle body 1.

[0060] In this embodiment, if Figure 1 As shown, the function of the mounting seat 9 is to provide fixed support for the kettle body 1 so that it can be firmly fixed.

[0061] Specifically, Figure 1 As shown, the stirring drive source 3 is a motor.

[0062] Specifically, Figure 1-2 As shown, the scraping drive mechanism 5 includes a reduction mechanism and a driving motor. The reduction mechanism is installed at the bottom of the kettle body 1. The reduction mechanism is provided with an input end and a reduction end. The input end is connected to the output end of the driving motor, and the reduction end of the reduction mechanism is connected to the transmission shaft.

[0063] In this embodiment, if Figure 1-2 As shown, the wall scraping drive mechanism 5 adopts a combination of a speed reduction mechanism and a driving motor, which is used to drive the transmission shaft of the wall scraping assembly to rotate stably. The speed reduction mechanism is installed at the bottom of the kettle body 1, and is connected to the output end of the driving motor through the input end. After the high-speed rotation input of the driving motor is decelerated, it is output to the transmission shaft connected thereto at an appropriate low speed through the speed reduction end. The torque of the wall scraping assembly is greatly increased.

[0064] The specific embodiments described above further illustrate the technical problems, technical solutions and beneficial effects solved by the present invention. It should be understood that the above are only specific embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A crystallization kettle with good cooling effect, characterized in that: include: A kettle body (1), wherein the kettle body (1) is provided with a feed inlet (11) and a discharge outlet (12), wherein the feed inlet (11) is arranged above the kettle body (1), and the discharge outlet (12) is arranged below the kettle body (1); A cooling coil (2), the cooling coil (2) being wound around and closely arranged on the outer wall of the kettle body (1), and the cooling coil (2) being suitable for passing a refrigerant; A stirring driving source (3), the stirring driving source (3) being installed on the top of the kettle body (1), the stirring driving source (3) being provided with a stirring shaft extending downward into the kettle body (1); A stirring assembly (4), wherein the stirring assembly (4) is mounted on a stirring shaft of the stirring drive source (3); The stirring driving source (3) is suitable for driving the stirring component (4) to rotate via the stirring shaft; A wall scraping drive mechanism (5), the wall scraping drive mechanism (5) being installed at the bottom of the kettle body (1), the wall scraping drive mechanism (5) being provided with a transmission shaft extending upward into the kettle body (1); A wall scraping assembly, the wall scraping assembly being mounted on a transmission shaft of the wall scraping driving mechanism (5); The wall scraping driving mechanism (5) is suitable for driving the wall scraping assembly to rotate via the transmission shaft.

2. The crystallization kettle with good cooling effect according to claim 1, characterized in that The wall scraping assembly comprises a bottom scraper (61) and a pair of side wall scrapers (62) connected to both ends of the bottom scraper (61); The bottom scraper (61) is mounted on the transmission shaft; The bottom scraper (61) and the side wall scraper (62) are respectively arranged in close contact with the inner bottom surface and inner wall surface of the kettle body (1).

3. The crystallization kettle with good cooling effect according to claim 2, characterized in that, The bottom scraper (61) is of an S-shaped structure, and the bottom scraper (61) is suitable for carrying materials into the discharge port (12).

4. The crystallization kettle with good cooling effect according to claim 2, characterized in that, The wall scraping assembly further comprises at least one supporting rib (63), wherein the supporting rib (63) is suitable for connecting a pair of side wall scrapers (62); The supporting rib (63) is provided with an avoidance hole suitable for passing the stirring shaft.

5. The crystallization kettle with good cooling effect according to claim 1, characterized in that, It also comprises a refrigeration pipe (7), wherein the refrigeration pipe (7) is spirally arranged above the kettle body (1), and the refrigeration pipe (7) is connected to the cooling coil (2).

6. The crystallization kettle with good cooling effect according to claim 1, characterized in that: The stirring assembly (4) comprises three blades, and the three blades are arranged on the stirring shaft at intervals.

7. The crystallization kettle with good cooling effect according to claim 1, characterized in that: It also comprises a temperature probe (8), wherein the temperature probe (8) is mounted on the kettle body (1), and the temperature probe (8) is provided with a detection end, wherein the detection end extends into the kettle body (1).

8. The crystallization kettle with good cooling effect according to claim 1, characterized in that: It also comprises at least one pair of mounting seats (9), wherein the mounting seats (9) are fixed on the outer wall of the kettle body (1).

9. The crystallization kettle with good cooling effect according to claim 1, characterized in that, The stirring driving source (3) is a motor.

10. The crystallization kettle with good cooling effect according to claim 1, characterized in that: The wall scraping drive mechanism (5) comprises a reduction mechanism and a drive motor. The reduction mechanism is installed at the bottom of the kettle body (1). The reduction mechanism is provided with an input end and a reduction end. The input end is connected to the output end of the drive motor. The reduction end of the reduction mechanism is connected to the transmission shaft.

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