A cooling device for dye production

Abstract

The utility model discloses a cooling device for dye production, comprising a crystallization container, a feeding port is provided at the top of the crystallization container, a discharging port is provided at one side of the crystallization container, and a discharging baffle is movably installed at the discharging port, connecting pipes are rotatably installed on the upper and lower inner walls of the crystallization container, one end of the connecting pipe is fixed with a hollow mounting shell by welding, a cooling pipe group is arranged between the two hollow mounting shells, the cooling pipe group comprises a large cooling spiral pipe, a middle cooling spiral pipe and a small cooling spiral pipe, the rotation radius of the large cooling spiral pipe, the middle cooling spiral pipe and the small cooling spiral pipe decreases in sequence, and both ends of the large cooling spiral pipe, the middle cooling spiral pipe and the small cooling spiral pipe extend into the interior of the hollow mounting shell, the connecting pipe passes through the outer wall of the crystallization container, and the other end of the connecting pipe is movably connected with a connecting seat through a bearing. The utility model has the characteristic of strong practicality.

Description

Technical Field

[0001] The utility model relates to the technical field of dye production, in particular to a temperature reduction cooling device used for dye production. Background Art

[0002] The synthesized dye raw materials are crystallized and separated to obtain pure dye crystals. In dye production, dye crystals need to be cooled in the crystallization step. During the crystallization process, the dye components in the solution are gradually crystallized by controlling the temperature, and the crystals are cooled and crystallized at the appropriate temperature.

[0003] However, the existing cooling device for dye production may cause uneven crystallization or lattice defects due to excessive temperature gradient, which is of poor practicality. Therefore, it is necessary to design a cooling device for dye production with strong practicality. Summary of the invention

[0004] The purpose of the utility model is to provide a cooling device for dye production to solve the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a cooling device for dye production, comprising a crystallization container, a feed inlet is provided at the top of the crystallization container, a discharge port is provided at one side of the crystallization container, and a discharge baffle is movably installed at the discharge port, connecting pipes are rotatably installed on the upper and lower inner walls of the crystallization container, one end of the connecting pipe is fixed with a hollow mounting shell by welding, and a cooling pipe group is arranged between the two hollow mounting shells.

[0006] According to the above technical solution, the cooling pipe group includes a large cooling spiral tube, a medium cooling spiral tube and a small cooling spiral tube, the rotation radius of the large cooling spiral tube, the medium cooling spiral tube and the small cooling spiral tube decreases successively, and both ends of the large cooling spiral tube, the medium cooling spiral tube and the small cooling spiral tube extend into the interior of the hollow mounting shell.

[0007] According to the above technical solution, the connecting pipe passes through the outer wall of the crystallization container, and the other end of the connecting pipe is movably connected to a connecting seat through a bearing, one end of the connecting seat is connected to a cooling water circulation pipe, a water pump is installed on the cooling water circulation pipe, and one side of the water pump is fixed to the outer wall of the crystallization container.

[0008] According to the above technical solution, a heat exchanger is installed on the cooling water circulation pipe, and the heat exchanger is connected to an external pipeline.

[0009] According to the above technical solution, the connecting tube is rotatably connected to the crystallization container, a driven gear is installed on the outer wall of the connecting tube located at the upper end of the crystallization container, a motor is installed on the top of the crystallization container, a driving gear is connected to the output end of the motor, and the driving gear and the driven gear are meshed and connected with each other.

[0010] According to the above technical solution, the number of the large cooling spiral tubes is eight, the number of the medium cooling spiral tubes is six, and the number of the small cooling spiral tubes is three.

[0011] Compared with the prior art, the beneficial effects achieved by the utility model are as follows: the utility model can realize slow cooling from top to bottom through the top-down spiral cooling structure, and because the three types of spirals, large, medium and small, are involved at the same time, the uniformity of the cooling process can be improved, so that the crystals can fully grow during the crystallization process to form larger crystal particles, thereby improving the crystallization quality and purity of the dye crystals. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the installation of the hollow installation shell of the utility model;

[0015] Figure 3 It is a schematic cross-sectional view of three types of cooling spiral tubes of the utility model;

[0016] In the figure: 1. crystallization container; 2. discharge baffle; 3. feed port; 4. hollow mounting shell; 41. connecting pipe; 51. large cooling spiral pipe; 52. medium cooling spiral pipe; 53. small cooling spiral pipe; 6. connecting seat; 7. cooling water circulation pipe; 71. heat exchanger; 72. water pump; 8. motor; 81. driving gear; 82. driven gear. DETAILED DESCRIPTION

[0017] 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.

[0018] See also Figure 1-3The utility model provides a technical solution: a cooling device for dye production, comprising a crystallization container 1, a feed inlet 3 is provided on the top of the crystallization container 1, a discharge port is provided on one side of the crystallization container 1, and a discharge baffle 2 is movably installed at the discharge port, and a connecting pipe 41 is rotatably installed on the upper and lower inner walls of the crystallization container 1, and a hollow mounting shell 4 is fixed to one end of the connecting pipe 41 by welding, and a cooling pipeline group is arranged between the two hollow mounting shells 4. When in use, a raw material solution to be crystallized is firstly put into the feed inlet 3, and then cooling and crystallization are performed, and the solution is cooled by the cooling pipeline group;

[0019] The cooling pipe group includes a large cooling spiral tube 51, a medium cooling spiral tube 52 and a small cooling spiral tube 53. The rotation radius of the large cooling spiral tube 51, the medium cooling spiral tube 52 and the small cooling spiral tube 53 decreases successively, and both ends of the large cooling spiral tube 51, the medium cooling spiral tube 52 and the small cooling spiral tube 53 extend into the interior of the hollow mounting shell 4. The arrangement of three spiral tubes with different radii can improve the uniformity of the cooling process, so that the crystals can fully grow during the crystallization process to form larger crystal particles, thereby improving the crystallization quality and purity of the dye crystals.

[0020] The connecting pipe 41 passes through the outer wall of the crystallization container 1, and the other end of the connecting pipe 41 is movably connected to the connecting seat 6 through a bearing, and one end of the connecting seat 6 is connected to the cooling water circulation pipe 7, and a water pump 72 is installed on the cooling water circulation pipe 7, and one side of the water pump 72 is fixed to the outer wall of the crystallization container 1. The heated cooling water is pumped by the water pump 72 through the cooling water circulation pipe 7 to be re-cooled, and the connection seat 6 can realize the smooth rotation of the connecting pipe 41 and the flow of liquid;

[0021] A heat exchanger 71 is installed on the cooling water circulation pipe 7, and the heat exchanger 71 is connected to the external pipeline, and the heat exchange of the liquid is performed through the heat exchanger 71;

[0022] The connecting tube 41 is rotatably connected to the crystallization container 1. A driven gear 82 is installed on the outer wall of the connecting tube 41 located at the upper end of the crystallization container 1. A motor 8 is installed on the top of the crystallization container 1. The output end of the motor 8 is connected to a driving gear 81, and the driving gear 81 and the driven gear 82 are meshed and connected with each other. By starting the motor 8, the driving gear 81 and the driven gear 82 are meshed and rotated with each other, and the connecting tube 41 drives the hollow mounting shell 4 to rotate;

[0023] The number of the large cooling spiral tubes 51 is eight, the number of the medium cooling spiral tubes 52 is six, and the number of the small cooling spiral tubes 53 is three. By setting up multiple cooling pipes, the cooling effect can be better and evenly covered in the entire crystallization container 1.

[0024] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0025] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A cooling device for dye production, comprising a crystallization container (1), characterized in that: A feed port (3) is provided on the top of the crystallization container (1), a discharge port is provided on one side of the crystallization container (1), and a discharge baffle (2) is movably mounted at the discharge port. Connecting pipes (41) are rotatably mounted on the upper and lower inner walls of the crystallization container (1), and a hollow mounting shell (4) is fixed to one end of the connecting pipe (41) by welding, and a cooling pipe group is arranged between the two hollow mounting shells (4).

2. The cooling device for dye production according to claim 1, characterized in that: The cooling pipe group comprises a large cooling spiral pipe (51), a medium cooling spiral pipe (52) and a small cooling spiral pipe (53), the rotation radius of the large cooling spiral pipe (51), the medium cooling spiral pipe (52) and the small cooling spiral pipe (53) decreases in sequence, and both ends of the large cooling spiral pipe (51), the medium cooling spiral pipe (52) and the small cooling spiral pipe (53) extend into the interior of the hollow mounting shell (4).

3. The cooling device for dye production according to claim 2, characterized in that: The connecting pipe (41) passes through the outer wall of the crystallization container (1), and the other end of the connecting pipe (41) is movably connected to a connecting seat (6) via a bearing, one end of the connecting seat (6) is connected to a cooling water circulation pipe (7), a water pump (72) is installed on the cooling water circulation pipe (7), and one side of the water pump (72) is fixed to the outer wall of the crystallization container (1).

4. The cooling device for dye production according to claim 3, characterized in that: A heat exchanger (71) is installed on the cooling water circulation pipe (7), and the heat exchanger (71) is connected to an external pipeline.

5. The cooling device for dye production according to claim 4, characterized in that: The connecting tube (41) is rotatably connected to the crystallization container (1); a driven gear (82) is installed on the outer wall of the connecting tube (41) located at the upper end of the crystallization container (1); a motor (8) is installed on the top of the crystallization container (1); an output end of the motor (8) is connected to a driving gear (81); and the driving gear (81) and the driven gear (82) are meshed and connected with each other.

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