The dyeing process of Fujian dyeing machine is compiled according to the dyeing characteristics of the dye, so it is necessary to know the characteristics of the dye used well before the dyeing process. The addition of each kind of auxiliaries must take into account the size of the effect of the addition of this auxiliaries on the affinity of the dye and the cloth, mainly according to the dye dyeing salt and alkali added to the cloth affinity and direct effect. Then the dyeing machine manufacturer in Fujian will explain its efficiency and dyeing process to you:

Fujian dyeing machine

Efficiency of Fujian dyeing machine:

1. Metering feeding system: When dyeing, we need to pay attention to the feeding time and speed, which will of course have a great impact on the dyeing quality. We can compare the color of different dyes with that of the same dye to make the dyestuff get better dyeing result.

2. Reversing device and control: According to the requirements of dyeing art, dyeing liquid circulation can be carried out and its positive and negative turning can be used to change the direction of the main circulation. As the volume of the package dyeing machine increases, so does the resistance. So now most of the yarn dyeing machine will use centrifugal pump to achieve the circulation of the dye solution.

3. Overflow salt adding device: In order to improve the dyeing efficiency of the dye, we will add a large amount of salt. The sewage treatment device changes the dyeing rate by controlling the salt concentration. Of course, for different colors, we need to add different amounts of salt and injection rates to achieve the desired color.

4. Temperature-rising ratio control: we should know that in the process of dyeing, its dyeing rate and fixed rate are related to the speed of temperature-rising. We can control the temperature rise proportionally, so as to keep the temperature rise rate within a very low range.

Dyeing process of Fujian dyeing machine:

Cheese dyeing machine

Dyeing machine at work some dyes in sodium sulphate can make the affinity between dyestuff and grey increased after China's entry into wto, we call it salt reactive dye, must control the speed of sodium sulphate, alkaline can appropriate faster, some dyes in soda ash can make the affinity between dyestuff and grey increased after China's entry into wto, we call these dyes alkali reactive dye, production must control the speed of the soda ash, add sodium sulphate can be quicker, or return to join before add dye.

2. Dyeing machine if the salt control and alkali control of the two kinds of dyes mixed together dyeing will cause poor compatibility, equivalent to two dyeing, at this time if the speed of adding powder and soda is controlled very slowly, on the one hand, the dyeing process will take a long time, on the other hand may not be done well. However, the reaction speed is very fast after adding the alkali, while the latter is somewhat dependent on the yuanming powder, but the reaction is still very slow even at 60℃ after adding the alkali. For this kind of dye combination with poor compatibility, we can use the pre-added soda ash process.

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