CN211112692U - Dye liquor circulating system of gas-liquid dyeing machine - Google Patents
Dye liquor circulating system of gas-liquid dyeing machine Download PDFInfo
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- CN211112692U CN211112692U CN201921788187.0U CN201921788187U CN211112692U CN 211112692 U CN211112692 U CN 211112692U CN 201921788187 U CN201921788187 U CN 201921788187U CN 211112692 U CN211112692 U CN 211112692U
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Abstract
A dye liquor circulating system of a gas-liquid dyeing machine comprises a dyeing nozzle device and a washing nozzle device, and is characterized by also comprising a heat circulating pipeline system and a nozzle circulating pipeline system which are arranged in parallel and are both communicated with a liquid collecting tank; the heat circulation pipeline system is formed by connecting a main connecting pipe and a liquid return pipe in series, and a main pump control valve, a heat circulation pump and a heat exchanger are arranged on the main connecting pipe; the nozzle circulating pipeline system is provided with a nozzle circulating pump and a nozzle circulating pipeline, and the dyeing nozzle device and/or the water washing nozzle device are/is arranged on the nozzle circulating pipeline; the utility model has the advantages that: the difference value of the temperature of the liquid sprayed by dyeing and/or water washing and the temperature of the liquid sprayed by the cylinder bottom can be effectively reduced, namely, the temperature gradient value is reduced, the fabric is dyed easily and uniformly, and the adaptability of the gas-liquid dyeing machine to the fabric and the process is enhanced.
Description
Technical Field
The utility model relates to a gas-liquid dyeing machine reduces dye liquor circulation system of dyeing temperature difference belongs to weaving printing and dyeing trade technical field.
Background
Dyeing temperature is an important process condition for dyeing fabrics. In the dyeing process of the gas-liquid dyeing machine, the dyeing liquid sprayed out through the nozzle is exchanged with the fabric circularly running at the position, and the fabric is dyed under the technological conditions of fabric temperature, dyeing materials and the like. The dye liquor and the fabric fall into the cloth storage tank in the cylinder along with the fabric after being exchanged through the nozzle, part of the redundant dye liquor directly flows into the liquid storage tank at the bottom of the cylinder, and part of the dye liquor is carried by the fabric. The fabric carrying the dye liquor is stacked in the cloth storage tank layer by layer, and the stacked fabric slides to one end of the cloth lifting slowly and is lifted by the cloth lifting wheel and conveyed to the nozzle system for next cycle exchange after sliding to one side of the cloth lifting; secondly, obtaining the temperature and dye conditions from the exchanged dye solution, and then carrying out physical changes and chemical reactions on the fiber to obtain dyeing and other treatments; thirdly, the dye liquor which is subjected to temperature change and dye concentration change after exchange can be separated out from the cloth surface and flows back to the tank bottom liquid collecting tank. Therefore, the temperature of the dye liquor after being sprayed from the nozzle changes when the dye liquor flows back to the vat dye collecting tank by exchanging with the fabric, so that there is a temperature difference between the dye liquor at the nozzle and the vat dye liquor. In a dye vat system, the more consistent the dye liquor temperature at each position, the more similar the temperature conditions of fabrics at each position from a top nozzle to a bottom cloth groove are, the more uniform the color is, and the more difficult the dyeing piece difference is generated; in addition, in the cloth washing process after dyeing of some fabrics, dye fixation is still required, and the same requirement is also met on the washing temperature gradient of the whole cylinder.
In the traditional vapor-liquid dyeing machine, the circulation of the dye liquor is that a main circulating pump conveys the dye liquor from a cylinder bottom liquor accumulating tank to a heat exchanger through a pipeline, the pipeline branches after heat exchange of the heat exchanger, a part of dye liquor is sprayed out through a nozzle and exchanged with the fabric, the dye liquor falls into a fabric storage tank along with the fabric and flows back to the cylinder bottom liquor accumulating tank to be mixed and then is circulated, and the other part of dye liquor flows back to the cylinder bottom directly to be mixed and is circulated next time. The dye liquor circulating system is a nozzle dye liquor exchanged with fabrics, and is driven by a main pump through a pipeline from a cylinder bottom liquor accumulating tank and after heat exchange of a heat exchanger, so that the dye liquor circulating system has the technical defects of large temperature difference with the cylinder bottom dye liquor, large dyeing temperature gradient and difficult dyeing and level dyeing.
Disclosure of Invention
The utility model aims to provide a: in order to solve the technical problem, the utility model provides a reduce dyeing temperature gradient, reduce dyeing nozzle dye liquor and the technical scheme of cylinder bottom dye liquor temperature difference.
The technical scheme of the utility model: the utility model comprises a heat circulation pipeline system and a nozzle circulation pipeline system which are arranged in parallel and are both communicated with a liquid accumulation tank; the heat circulation pipeline system is formed by connecting a main connecting pipe and a liquid return pipe in series, and a main pump control valve, a heat circulation pump and a heat exchanger are arranged on the main connecting pipe; the nozzle circulation pipeline system is provided with a nozzle circulation pump and a nozzle circulation pipeline, and the dyeing nozzle device and/or the water washing nozzle device are/is arranged on the nozzle circulation pipeline. When dyeing and/or washing, the nozzle circulation pipeline system is started, the spray liquid of the heat circulation pipeline system is driven by the heat circulation pump to circulate repeatedly, after passing through the heat exchanger, the temperature difference between the spray liquid of the dyeing nozzle device and/or the washing nozzle device and the spray liquid at the bottom of the cylinder is small, the total temperature balance speed in the cylinder is high, the balance time is short, and the requirement on the temperature gradient during fabric dyeing and/or washing can be greatly met.
Furthermore, a loop control valve is arranged on the liquid return pipe, a washing circulation pipeline is branched from the main connecting pipe, a washing nozzle device is arranged on the washing circulation pipeline, and a dyeing nozzle device is arranged on the nozzle circulation pipeline. Because the power of the heat circulating pump is larger than that of the nozzle circulating pump, the arrangement can provide a large liquid quantity function for cloth washing with a low requirement on temperature gradient by using the heat circulating pump.
The utility model has the advantages that: the difference value of the temperature of the liquid sprayed by dyeing and/or water washing and the temperature of the liquid sprayed by the cylinder bottom can be effectively reduced, namely, the temperature gradient value is reduced, the fabric is dyed easily and uniformly, and the adaptability of the gas-liquid dyeing machine to the fabric and the process is enhanced.
Drawings
FIG. 1: the utility model has a schematic structure;
in the figure: 1. liquid accumulation tank, 2, main pump control valve, 3, nozzle circulating pump, 4, heat circulating pump, 5, heat exchanger, 6, return circuit control valve, 7, main connecting pipe, 8, liquid return pipe, 9, nozzle circulating pipeline, 10, washing circulating pipeline, 11, dyeing nozzle device, 12, washing nozzle device.
Detailed Description
As shown in fig. 1, when the dyeing machine performs the dyeing process, the main pump control valve 2, the heat circulating pump 4, the heat exchanger 5, the loop control valve 6 and the nozzle circulating pump 3 are opened, that is, the heat circulating pipeline system and the nozzle circulating pipeline system start to operate, the spray liquid in the liquid accumulating tank 1 is driven by the heat circulating pump 4 to circulate repeatedly, after passing through the heat exchanger 5, the temperature difference between the spray liquid of the dyeing nozzle device 11 and the spray liquid in the liquid accumulating tank 1 is small, the total temperature balance speed in the tank is fast, the balance time is short, and the requirement of fabric dyeing on the temperature gradient can be greatly met; when the fabric dyeing is finished and the fabric washing process is needed, in order to provide the function of large liquid amount for the fabric washing with the untight requirement on the temperature gradient by using the heat circulating pump 4, the method can be realized by closing the nozzle circulating pump 3 and the loop control valve 6.
The technical contents, including the attached drawings, are not limited to the technical solutions, and all the modifications of the technical solutions, including the changes of the sizes and the shapes of the structures and the replacement of the components with similar functions, which are based on the same or similar principles are within the technical solutions required by the present invention.
Claims (2)
1. A dye liquor circulating system of a gas-liquid dyeing machine comprises a dyeing nozzle device (11) and a water washing nozzle device (12), and is characterized by also comprising a heat circulating pipeline system and a nozzle circulating pipeline system which are arranged in parallel and are both communicated with a liquid collecting tank (1); the heat circulation pipeline system is formed by connecting a main connecting pipe (7) and a liquid return pipe (8) in series, and a main pump control valve (2), a heat circulation pump (4) and a heat exchanger (5) are arranged on the main connecting pipe (7); the nozzle circulation pipeline system is provided with a nozzle circulation pump (3) and a nozzle circulation pipeline (9), and a dyeing nozzle device (11) and/or a water washing nozzle device (12) are/is arranged on the nozzle circulation pipeline (9).
2. A dye liquor circulation system of a gas-liquid dyeing machine according to claim 1, characterized in that said liquid return pipe (8) is provided with a loop control valve (6), a main connecting pipe (7) branches off a water washing circulation line (10), a water washing nozzle device (12) is provided on said water washing circulation line (10), and a dyeing nozzle device (11) is provided on said nozzle circulation line (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921788187.0U CN211112692U (en) | 2019-10-23 | 2019-10-23 | Dye liquor circulating system of gas-liquid dyeing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921788187.0U CN211112692U (en) | 2019-10-23 | 2019-10-23 | Dye liquor circulating system of gas-liquid dyeing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211112692U true CN211112692U (en) | 2020-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921788187.0U Active CN211112692U (en) | 2019-10-23 | 2019-10-23 | Dye liquor circulating system of gas-liquid dyeing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211112692U (en) |
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2019
- 2019-10-23 CN CN201921788187.0U patent/CN211112692U/en active Active
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