Self-cleaning cooling crystallizer

Abstract

The utility model discloses a self-cleaning cooling crystallizer which comprises a processing tank body, an adding opening is formed in the upper end of the processing tank body, a cooling liquid input pipe and a cooling liquid output pipe are arranged at the two ends of the processing tank body respectively, and a cooler is arranged between the cooling liquid input pipe and the cooling liquid output pipe. A cooler is arranged in the processing tank body, a transmission mechanism is arranged on the side wall of the cooler, a cleaning mechanism is in transmission connection with the transmission mechanism, a motor is arranged at the upper end of the processing tank body, a stirring mechanism is arranged at the lower end in the processing tank body and is in transmission connection with the motor, and a plurality of discharging ports are fixedly connected to the lower end of the processing tank body. The cleaning brush can be driven to rotate through flowing of cooling liquid, and the surface of the cooler in the machining tank is cleaned. The power of the stirring rod is not occupied. And meanwhile, when the cleaning card is clamped, no negative influence is caused on the motor.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical production, in particular to a self-cleaning cooling crystallizer. Background Art

[0002] The cooling crystallizer is an important equipment for further precipitation of ammonium chloride products in the process of combined alkali production and for producing raw materials for the carbonization process. Because the sodium chloride in the semi-MⅡ produced by the cold crystallizer is unsaturated, while the ammonium chloride is saturated, adding sodium chloride to the salting-out crystallizer through the common ion effect can promote the formation of ammonium chloride. Therefore, the cooling crystallizer is an important part of the combined alkali production process, and the stable operation of this equipment is the key to load stability in combined alkali production.

[0003] After searching the prior art, the publication number CN106745615A discloses a cooling crystallizer. It includes a support, a cooling crystallization storage tank and a stirring device; the cooling crystallization storage tank is a cylindrical body, which is arranged on the support, and the upper part of the cooling crystallization storage tank is respectively provided with a crystal liquid inlet pipe and a venting port, the side wall of the cooling crystallization storage tank is respectively provided with an overflow port, a cold fluid outlet and a liquid level gauge interface connected to a liquid level gauge, and the bottom of the cooling crystallization storage tank is respectively provided with a drain port, a cold fluid inlet and a crystal outlet; the stirring device is arranged on the cooling crystallization storage tank, and the frame-type stirring paddle of the stirring device is arranged in the cooling crystallization storage tank, and the edge of the frame-type stirring paddle is provided with a brush that can contact the inner wall of the cooling crystallization storage tank, and the brush can flush the inner wall of the cooling crystallization storage tank; the end of the stirring shaft of the stirring device at the crystal outlet of the cooling crystallization storage tank is provided with a crystal outlet stirrer that can stir the crystal-liquid mixture at the crystal outlet.

[0004] In the reference document, a brush that can contact the inner wall of the cooling crystallization storage tank is provided on the edge of the frame-type stirring paddle, and the brush can flush the inner wall of the cooling crystallization storage tank. The stirring paddle is used to drive the contact brush to clean the inner wall of the crystallization storage tank. This will occupy the power of the stirring paddle, so that the rotation speed of the stirring paddle is affected. When the contact brush is stuck, it is more likely to cause the motor to be damaged. Utility Model Content

[0005] The purpose of the utility model is to provide a self-cleaning cooling crystallizer to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: comprising a processing tank body, the upper end of the processing tank body is provided with an addition port, the two ends of the processing tank body are respectively provided with a coolant input pipe and a coolant output pipe, a cooler is provided between the coolant input pipe and the coolant output pipe, a transmission mechanism is provided on the side wall of the cooler, a cleaning mechanism is connected to the transmission mechanism, a motor is provided at the upper end of the processing tank body, a stirring mechanism is provided at the lower end inside the processing tank body, the stirring mechanism is connected to the motor, and a plurality of discharge ports are fixedly connected to the lower end of the processing tank body.

[0007] Preferably, the cooler is tubular, an annular cavity is opened inside the tube wall of the cooler, and the two ends of the cooler are respectively connected to the coolant inlet pipe and the coolant outlet pipe, and the coolant inlet pipe and the coolant outlet pipe are connected to the annular cavity of the cooler.

[0008] Preferably, the transmission mechanism includes a first transmission gear, a first rotating groove is opened on the outer wall of the cooler, the first transmission gear is arranged in the first rotating groove, the upper end of the first transmission gear is fixedly connected with a transmission shaft, the transmission shaft passes through the first rotating groove, the upper end of the transmission shaft is fixedly connected with a second transmission gear, and a second rotating groove is provided in the annular cavity of the cooler, and the second rotating groove is adapted to the second transmission gear.

[0009] Preferably, the cleaning mechanism includes a transmission ring, the inner wall of the transmission ring is fixedly connected with a transmission tooth, the transmission tooth is meshed with a second transmission gear, the lower end of the transmission ring is fixedly connected with a cleaning brush, the shape of the cleaning brush is adapted to the cooler, and a notch is provided on the cleaning brush, and the notch is adapted to the coolant inlet pipe and the coolant outlet pipe.

[0010] Preferably, the upper surface of the transmission ring is fixedly connected with a plurality of positioning supports, the lower surface of the positioning supports is fixedly connected with a plurality of supporting rollers, the plurality of positioning supports are all arranged on the upper surface of the cooler, and the supporting rollers are connected to the upper surface of the cooler.

[0011] Preferably, the stirring mechanism comprises a stirring rod, the stirring rod is in contact with the inner wall of the lower end of the processing tank body, a rotating shaft is provided in the middle of the stirring rod, and the rotating shaft is transmission-connected to the motor.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the cleaning brush can be driven to rotate by the flow of coolant to clean the surface of the cooler in the processing tank. The power of the stirring rod will not be occupied. At the same time, when the cleaning brush is stuck, it will not have a negative impact on the motor. When the coolant is input from the coolant input pipe to the inside of the cooler, it will move in the direction of the coolant output pipe. During the movement of the coolant, the coolant will drive the first transmission gear to rotate. The first transmission gear drives the second transmission gear to rotate through the transmission shaft, and the second transmission gear can drive the transmission ring to rotate. During the rotation of the transmission ring, the cleaning brush at the lower end of the transmission ring can be driven to clean the surface of the cleaner. When the cleaning brush is stuck, the first transmission gear will also be stuck, and will not drive other equipment to stop running, thereby avoiding the occurrence of burning of the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0014] Figure 2 This is a schematic diagram of the cooler structure of the utility model;

[0015] Figure 3 It is a schematic diagram of the internal structure of the transmission ring of the utility model;

[0016] Figure 4 This is a schematic diagram of the positioning support structure of the utility model;

[0017] Figure 5 It is a schematic diagram of the transmission mechanism structure of the utility model;

[0018] Figure 6 The utility model is a schematic diagram of the cross-section structure.

[0019] In the figure: 1. processing tank body; 2. adding port; 3. coolant inlet pipe; 4. coolant outlet pipe; 5. cooler; 6. transmission mechanism; 7. cleaning mechanism; 8. motor; 9. stirring mechanism; 10. discharge port; 11. first transmission gear; 12. first rotating groove; 13. transmission shaft; 14. second transmission gear; 15. second rotating groove; 16. transmission ring; 17. transmission gear; 18. cleaning brush; 19. positioning support; 20. support roller; 21. stirring rod; 22. rotating shaft. DETAILED DESCRIPTION

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

[0021] See also Figure 1-Figure 6 , the utility model provides embodiments:

[0022] Embodiment: It includes a processing tank body 1, the upper end of the processing tank body 1 is provided with an addition port 2, and the two ends of the processing tank body 1 are respectively provided with a coolant input pipe 3 and a coolant output pipe 4. A cooler 5 is provided between the coolant input pipe 3 and the coolant output pipe 4. The coolant flows into the cooler 5 from the coolant input pipe 3, and finally flows out from the coolant output pipe 4, which has the effect of cooling the interior of the processing tank body 1. A transmission mechanism 6 is provided on the side wall of the cooler 5, and a cleaning mechanism 7 is connected to the transmission mechanism 6. The transmission mechanism 6 can transmit power to the cleaning mechanism 7 to drive the cleaning mechanism 7 to work. A motor 8 is provided at the upper end of the processing tank body 1, and a stirring mechanism 9 is provided at the lower end of the processing tank body 1. The stirring mechanism 9 is connected to the motor 8 in a transmission manner, and a plurality of discharge ports 10 are fixedly connected to the lower end of the processing tank body 1. Multiple discharge ports 10 can be connected to multiple discharge pipes at the same time to form a pipe network.

[0023] The cooler 5 is tubular, and an annular cavity is provided inside the tube wall of the cooler 5. The two ends of the cooler 5 are respectively connected to the coolant input pipe 3 and the coolant output pipe 4, and the coolant input pipe 3 and the coolant output pipe 4 are connected to the annular cavity of the cooler 5. The coolant is input into the annular cavity of the cooler 5 through the coolant input pipe 3, and finally flows out through the coolant output pipe 4, which can reduce the temperature inside the processing tank body 1 for crystallization.

[0024] The transmission mechanism 6 includes a first transmission gear 11, and a first rotation groove 12 is provided on the outer wall of the cooler 5, and the first transmission gear 11 is arranged in the first rotation groove 12. The movement of the coolant in the cooler 5 can drive the first transmission gear 11 to rotate. A transmission shaft 13 is fixedly connected to the upper end of the first transmission gear 11, and the transmission shaft 13 passes through the first rotation groove 12, and a second transmission gear 14 is fixedly connected to the upper end of the transmission shaft 13. The first transmission gear 11 can drive the second transmission gear 14 to rotate through the transmission shaft 13. A second rotation groove 15 is provided in the annular cavity of the cooler 5, and the second rotation groove 15 is adapted to the second transmission gear 14.

[0025] The cleaning mechanism 7 includes a transmission ring 16, the inner wall of which is fixedly connected with a transmission tooth 17, the transmission tooth 17 is meshed with the second transmission gear 14, and the lower end of the transmission ring 16 is fixedly connected with a cleaning brush 18, the shape of the cleaning brush 18 is adapted to the cooler 5, and a notch is provided on the cleaning brush 18, and the notch is adapted to the coolant inlet pipe 3 and the coolant outlet pipe 4.

[0026] The upper surface of the transmission ring 16 is fixedly connected with a plurality of positioning supports 19, and the lower surface of the positioning supports 19 is fixedly connected with a plurality of supporting rollers 20, and the plurality of positioning supports 19 are all arranged on the upper surface of the cooler 5, and the supporting rollers 20 are connected to the upper surface of the cooler 5. The supporting rollers 20 can reduce the friction between the positioning supports 19 and the cooler 5, so as to facilitate the rotation of the transmission ring 16.

[0027] The stirring mechanism 9 includes a stirring rod 21 , which is in contact with the inner wall of the lower end of the processing tank body 1 . A rotating shaft 22 is provided in the middle of the stirring rod 21 , and the rotating shaft 22 is transmission-connected to the motor 8 .

[0028] During the processing of the processing tank body 1, the liquid to be processed is added to the processing tank body 1 from the addition port 2 above, and then the coolant is input through the coolant input pipe 3. When the coolant is input from the coolant input pipe 3 to the inside of the cooler 5, it will move in the direction of the coolant output pipe 4. During the movement of the coolant, the coolant will drive the first transmission gear 11 to rotate. The first transmission gear 11 drives the second transmission gear 14 to rotate through the transmission shaft 13, and the second transmission gear 14 can drive the transmission ring 16 to rotate. During the rotation of the transmission ring 16, the cleaning brush 18 at the lower end of the transmission ring 16 can be driven to clean the surface of the cleaner. When the cleaning brush 18 is stuck, the first transmission gear 11 is stuck therewith, and other equipment will not be driven to stop running. The motor 8 drives the stirring rod 21 to rotate through the rotating shaft 22, driving the raw materials inside the processing tank body 1 to rotate. The slurry after processing flows out from the multiple discharge ports 10 at the lower end of the processing tank body 1.

[0029] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A self-cleaning cooling crystallizer, comprising a processing tank (1), characterized in that: The upper end of the processing tank body (1) is provided with an addition port (2), and the two ends of the processing tank body (1) are respectively provided with a cooling liquid input pipe (3) and a cooling liquid output pipe (4), and a cooler (5) is provided between the cooling liquid input pipe (3) and the cooling liquid output pipe (4). A transmission mechanism (6) is provided on the side wall of the cooler (5), and a cleaning mechanism (7) is connected to the transmission mechanism (6) in a transmission manner. The upper end of the processing tank body (1) is provided with a motor (8), and the lower end of the processing tank body (1) is provided with a stirring mechanism (9), and the stirring mechanism (9) is connected to the motor (8) in a transmission manner. The lower end of the processing tank body (1) is fixedly connected with a plurality of discharge ports (10).

2. A self-cleaning cooling crystallizer according to claim 1, characterized in that: The cooler (5) is tubular, and an annular cavity is provided inside the tube wall of the cooler (5). The two ends of the cooler (5) are respectively connected to a coolant inlet pipe (3) and a coolant outlet pipe (4), and the coolant inlet pipe (3) and the coolant outlet pipe (4) are in communication with the annular cavity of the cooler (5).

3. A self-cleaning cooling crystallizer according to claim 2, characterized in that: The transmission mechanism (6) comprises a first transmission gear (11), a first rotating groove (12) is provided on the outer wall of the cooler (5), the first transmission gear (11) is arranged in the first rotating groove (12), the upper end of the first transmission gear (11) is fixedly connected with a transmission shaft (13), the transmission shaft (13) passes through the first rotating groove (12), the upper end of the transmission shaft (13) is fixedly connected with a second transmission gear (14), and a second rotating groove (15) is provided in the annular cavity of the cooler (5), and the second rotating groove (15) is adapted to the second transmission gear (14).

4. A self-cleaning cooling crystallizer according to claim 3, characterized in that: The cleaning mechanism (7) comprises a transmission ring (16), the inner wall of the transmission ring (16) is fixedly connected with a transmission tooth (17), the transmission tooth (17) is meshed with a second transmission gear (14), the lower end of the transmission ring (16) is fixedly connected with a cleaning brush (18), the shape of the cleaning brush (18) is adapted to the cooler (5), and a notch is provided on the cleaning brush (18), and the notch is adapted to the coolant inlet pipe (3) and the coolant outlet pipe (4).

5. A self-cleaning cooling crystallizer according to claim 4, characterized in that: The upper surface of the transmission ring (16) is fixedly connected to a plurality of positioning supports (19), and the lower surface of the positioning supports (19) is fixedly connected to a plurality of supporting rollers (20). The plurality of positioning supports (19) are all arranged on the upper surface of the cooler (5), and the supporting rollers (20) are connected to the upper surface of the cooler (5).

6. A self-cleaning cooling crystallizer according to claim 5, characterized in that: The stirring mechanism (9) comprises a stirring rod (21), the stirring rod (21) is in contact with the inner wall of the lower end of the processing tank body (1), a rotating shaft (22) is provided in the middle of the stirring rod (21), and the rotating shaft (22) is connected to the motor (8) in a transmission manner.

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