Polyester non-aqueous dyeing level dyeing temperature control device

Abstract

The utility model provides a kind of dacron waterless dyeing even dyeing temperature control device, it is characterized by: containing dyeing kettle body;The shell of dyeing kettle body has heat preservation temperature control structure;The heat preservation temperature control structure, containing heating unit, cooling unit and heat preservation unit;Wherein, the heating unit, dyeing kettle body is heated;The cooling unit, dyeing kettle body and / or heating unit are cooled;The heat preservation unit, setting in outermost layer, the structure of its inner layer is heat preserved.This device, both have preferable heat preservation effect, can also realize temperature control, even temperature.

Description

Technical Field

[0001] This utility model relates to the field of dyeing equipment, specifically to a temperature control device for anhydrous dyeing of polyester. Background Technology

[0002] In traditional dyeing processes, water is used as the main medium, and the wastewater generated during the dyeing process needs to undergo complex treatment procedures such as neutralization and sedimentation, which is both time-consuming and labor-intensive.

[0003] In recent years, supercritical CO2 anhydrous dyeing technology has attracted widespread attention due to its high efficiency, lack of pollution, and short dyeing time. This technology heats carbon dioxide (CO2) to over 31°C and pressurizes it to over 73 MPa, bringing it into a supercritical state. In this state, CO2 acts as a solvent to dissolve the dye, which is then transported to the dyeing tank via a circulating pump. The dye is then evenly and rapidly distributed in the fiber pores, eliminating the need for washing and drying processes and reducing water consumption.

[0004] Nevertheless, existing supercritical CO2 dyeing processes are still primarily semi-continuous, with the dyeing vessel lacking effective insulation measures, resulting in significant heat loss throughout the process. Uneven temperature control also leads to inconsistent dyeing results, impacting both dyeing quality and efficiency. Utility Model Content

[0005] The present invention aims to overcome the above-mentioned defects and provide a temperature control device for uniform dyeing in a dyeing kettle, which has both better heat preservation effect and can also achieve temperature control and uniform temperature.

[0006] This utility model provides a temperature control device for anhydrous dyeing and leveling polyester, characterized in that it includes a dyeing kettle body;

[0007] The shell of the dyeing kettle body has a heat preservation and temperature control structure;

[0008] The aforementioned heat preservation and temperature control structure includes a heating unit, a cooling unit, and a heat preservation unit;

[0009] The aforementioned heating unit heats the dyeing vessel body.

[0010] The aforementioned cooling unit cools the dyeing vessel body and / or the heating unit.

[0011] The aforementioned insulation unit is located on the outermost layer to insulate the structure of the inner layers.

[0012] Furthermore, the polyester anhydrous dyeing and leveling temperature control device provided by this utility model is characterized in that: the above-mentioned heating unit includes a heating medium layer and a heating mechanism.

[0013] The aforementioned heating medium layer surrounds the outer surface of the dyeing vessel body;

[0014] The aforementioned heating mechanism heats the heating medium.

[0015] Furthermore, the polyester anhydrous dyeing and leveling temperature control device provided by this utility model is characterized in that: the above-mentioned heating unit also includes a heating medium inlet and outlet unit.

[0016] The aforementioned heating medium inlet / outlet unit includes

[0017] A heating medium inlet pipe, one end of which is connected to the heating medium layer and the other end of which extends to the outer surface of the dyeing vessel body; and

[0018] A heating medium output pipe with one end connected to the heating medium layer and the other end extending to the outer surface of the dyeing kettle body.

[0019] Furthermore, the present invention provides a temperature control device for anhydrous dyeing and leveling of polyester, characterized in that: the heating medium input pipe is located above the heating medium output pipe.

[0020] Furthermore, the present invention provides a polyester anhydrous dyeing and leveling temperature control device, characterized in that: the cooling unit is disposed within the heating medium layer and includes a plurality of cooling ports, which are distributed in a dispersed manner within the heating medium layer.

[0021] Furthermore, the polyester anhydrous dyeing and leveling temperature control device provided by this utility model is characterized in that: the cooling unit further includes...

[0022] A cooling medium inlet pipe, one end of which is connected to a cooling port within the heating medium layer, and the other end extending to the outer surface of the dyeing vessel body; and

[0023] One end is connected to the cooling port inside the heating medium layer, and the other end extends to the cooling medium output pipe on the outer surface of the dyeing kettle body.

[0024] Furthermore, the present invention provides a temperature control device for anhydrous dyeing and leveling of polyester, characterized in that: the cooling medium input pipe is located below the cooling medium output pipe.

[0025] Furthermore, the present invention provides a polyester anhydrous dyeing and temperature control device, characterized in that: the above-mentioned heat preservation unit includes a partition layer, a vacuum layer and a shell layer arranged sequentially from the inside to the outside.

[0026] Furthermore, the present invention provides a polyester anhydrous dyeing and temperature control device, characterized in that: the shell layer includes a reflective layer, a heat insulation layer and a protective layer arranged sequentially from the inside to the outside.

[0027] Furthermore, the polyester anhydrous dyeing and leveling temperature control device provided by this utility model is characterized in that: the above-mentioned heat preservation and temperature control structure also includes a temperature equalization mechanism.

[0028] The aforementioned temperature equalization mechanism is arranged in a toothed or fin-like shape on the inner wall of the dyeing kettle.

[0029] Furthermore, the polyester anhydrous dyeing and leveling temperature control device provided by this utility model is characterized in that it also includes an inlet pipe and an outlet pipe that are connected to the inside of the dyeing kettle body.

[0030] The dye liquor formed by supercritical carbon dioxide and dye enters the dyeing kettle body through the feed pipe. Attached Figure Description

[0031] Figure 1 This embodiment provides a schematic diagram of the structure of a polyester anhydrous dyeing and leveling temperature control device;

[0032] Figure 2 A schematic diagram of the shell structure of a polyester anhydrous dyeing and leveling temperature control device provided in this embodiment;

[0033] Figure 3 This embodiment provides a schematic diagram of the insulation unit structure of a polyester anhydrous dyeing and leveling temperature control device;

[0034] The components include: 1. vessel body; 2. vessel lid; 3. feed pipe; 4. discharge pipe.

[0035] 5. Oil layer; 6. Heater; 7. Oil inlet pipe; 8. Oil outlet pipe; 9. Temperature equalization fins;

[0036] 10. Heat exchanger coil; 11. Inlet water pipe; 12. Outlet water pipe; 13. Recovery device;

[0037] 14. Vacuum layer; 15. Partition; 16. Outer shell;

[0038] 17. Reflective layer; 18. Heat insulation layer; 19. Protective layer. Detailed Implementation

[0039] This invention can be implemented in many ways and has various embodiments, therefore specific embodiments are illustrated and described in the accompanying drawings. However, this is not intended to limit the invention to specific implementations, but should be understood to include all modifications, equivalents, and even substitutions that fall within the spirit and technical scope of this invention.

[0040] like Figure 1 As shown, this embodiment provides a polyester anhydrous dyeing and leveling temperature control device, the main body of which is a kettle body 1 supported by a support frame;

[0041] The top of the vessel body 1 is equipped with an openable and closable lid 2;

[0042] The lid 2 is equipped with a feed pipe 3;

[0043] The bottom of the vessel body 1 is equipped with a discharge pipe 4;

[0044] The feed pipe 3 is used to connect with external equipment (dye tank) to deliver the dye liquor formed by supercritical carbon dioxide and dye into the reactor body 1. The discharge pipe 4 is used to output the remaining dye after processing and is connected with external equipment (collection tank and separation device) to collect, purify and dry the remaining dye, thereby realizing the recycling of dye.

[0045] The shell of this dyeing kettle has a heat preservation and temperature control structure, namely, an oil layer 5 is formed in the wall of the kettle body 1. The oil layer 5 is filled with heat-conducting oil, which can be heated by the heater 6, thereby heating the kettle body 1. An oil inlet pipe 7 and an oil outlet pipe 8 are also connected to the side of the kettle body 1, which are used for oil inlet and oil outlet respectively.

[0046] On the inner wall of the vessel body 1, uniformly distributed heat-equalizing fins 9 are also provided. These fins help to increase the heat exchange area inside the vessel body 1, thereby conducting and distributing heat more effectively and evenly.

[0047] In practical applications, heater 6 heats the heat transfer oil, which flows in the oil layer 5 to heat the vessel body 1, thereby keeping the temperature inside the entire vessel body 1 constant.

[0048] In order to achieve rapid heat dissipation and cooling, in this embodiment, a heat exchange coil 10 is also installed in the oil layer 5. The bottom end of the heat exchange coil 10 is connected to a water pump and other mechanisms through a water inlet pipe 11, and the top end is connected to a water recovery device through a water outlet pipe 12. When the water pump is running, heat exchange can be achieved by the water flowing from bottom to top in the heat exchange coil 10, thereby achieving rapid cooling of the heat transfer oil and achieving the purpose of precise temperature control.

[0049] like Figure 2 As shown, a vacuum layer 14 is formed inside the wall of the vessel body 1, further out of the oil layer 5. There is a partition layer 15 between the vacuum layer 14 and the oil layer 5. By evacuating the vacuum layer 14, an excellent heat insulation and heat preservation effect can be achieved, further reducing heat loss and ensuring that the temperature inside the vessel body 1 remains stable.

[0050] The outermost part of the vessel body 1 is the outer shell 16. In this application, as shown... Figure 3 As shown, the outer shell 16 is divided into three layers, from the inside out: a reflective layer 17, a heat insulation layer 18, and a protective layer 19.

[0051] The reflective layer 17 is made of aluminum, which can reflect the heat generated inside the vessel 1 back into the vessel 1, further improving the temperature control efficiency.

[0052] The insulation layer 18 is made of ceramic, which can effectively prevent heat loss and maintain the high temperature inside the vessel 1.

[0053] The protective layer 19 is made of metal, which serves a protective function and enhances the strength of the structure, making the entire device more robust and durable.

[0054] The function and effect of this embodiment:

[0055] This embodiment achieves uniform heating of the temperature inside the reactor by setting an oil layer 5 and a heat-conducting oil heating system inside the reactor body 1, ensuring the temperature control accuracy during the dyeing process and helping to improve the uniformity and quality of dyeing.

[0056] This embodiment, by setting up a heat exchange coil 10 and a water pump system, can achieve rapid cooling of the heat transfer oil, thereby achieving precise temperature control and ensuring rapid adjustment and stability of temperature during the dyeing process.

[0057] In this embodiment, the design of the vacuum layer 14 effectively isolates the heat influence of the external environment, further enhancing the heat preservation effect of the vessel body 1 and reducing energy loss.

[0058] This embodiment effectively improves the overall thermal insulation performance of the equipment and ensures the efficient operation of the temperature control system through the design of the reflective layer 17, heat insulation layer 18 and protective layer 19 of the outer shell 16.

[0059] While the foregoing has focused on embodiments, these are merely illustrative and do not limit the invention. Those skilled in the art will understand that various modifications and applications not illustrated above can be made without departing from the essential characteristics of these embodiments. For example, the constituent elements specifically shown in the embodiments can be implemented through modifications. Furthermore, various differences related to such modifications and applications should be interpreted as being included within the scope of the invention as defined in the appended claims.

Claims

1. A temperature control device for anhydrous dyeing and leveling of polyester, characterized in that: Includes the dyeing kettle body; The shell of the dyeing kettle body has a heat preservation and temperature control structure; The heat preservation and temperature control structure includes a heating unit, a cooling unit, and a heat preservation unit; The heating unit heats the dyeing vessel body. The cooling unit cools the dyeing vessel body and / or the heating unit; The insulation unit is located on the outermost layer and insulates the structure of its inner layers.

2. The polyester anhydrous dyeing and leveling temperature control device as described in claim 1, characterized in that: The heating unit includes a heating medium layer and a heating mechanism; The heating medium layer surrounds the outer surface of the dyeing kettle body; The heating mechanism heats the heating medium.

3. The polyester anhydrous dyeing and leveling temperature control device as described in claim 2, characterized in that: The heating unit further includes a heating medium inlet / outlet unit; The heating medium inlet / outlet unit includes A heating medium inlet pipe, one end of which is connected to the heating medium layer and the other end of which extends to the outer surface of the dyeing vessel body; and A heating medium output pipe with one end connected to the heating medium layer and the other end extending to the outer surface of the dyeing kettle body.

4. The polyester anhydrous dyeing and leveling temperature control device as described in claim 3, characterized in that: The heating medium input pipe is located above the heating medium output pipe.

5. The polyester anhydrous dyeing and leveling temperature control device as described in claim 2, characterized in that: The cooling unit is disposed within the heating medium layer and includes a plurality of cooling ports, which are distributed in a dispersed manner within the heating medium layer.

6. The polyester anhydrous dyeing and leveling temperature control device as described in claim 5, characterized in that: The cooling unit also includes A cooling medium inlet pipe, one end of which is connected to a cooling port within the heating medium layer, and the other end extending to the outer surface of the dyeing vessel body; and One end is connected to the cooling port inside the heating medium layer, and the other end extends to the cooling medium output pipe on the outer surface of the dyeing kettle body.

7. The polyester anhydrous dyeing and leveling temperature control device as described in claim 6, characterized in that: The cooling medium inlet pipe is located below the cooling medium outlet pipe.

8. The polyester anhydrous dyeing and leveling temperature control device as described in claim 1, characterized in that: The insulation unit comprises a partition layer, a vacuum layer, and a shell layer arranged sequentially from the inside out.

9. The polyester anhydrous dyeing and leveling temperature control device as described in claim 8, characterized in that: The shell layer comprises a reflective layer, a heat insulation layer, and a protective layer arranged sequentially from the inside out.

10. A polyester anhydrous dyeing and leveling temperature control device as described in any one of claims 1-9, characterized in that: The heat preservation and temperature control structure also includes a temperature equalization mechanism; The temperature equalization mechanism is arranged in a toothed or fin-like shape on the inner wall of the dyeing kettle.

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