Process of wet steaming salt-free dyeing for cellulose fiber fabric

Abstract

The invention belongs to the fiber fabric dyeing process, especially relating to a process of wet steaming salt-free dyeing for a cellulose fiber fabric, which has the effects of energy conservation and emission reduction. A method of dyeing fabric with an active dye by means of a proportional pump comprises the following three process steps: (1) a step of mixing a padding dye with a fixing agent; (2) a step of steaming fixation; and (3) a step of water washing. The technical proposal of the process, compared with the traditional pad drying and pad steaming processes, only employs a reducing soaper without a padding machine, so that the dyeing time is shortened and the dyeing efficiency is improved; the wet steaming salt-free process, compared with the batch-type cold pad dyeing process, has the advantages that the time of dyeing padding is shortened and the tinctorial yield is consistent; as the improvement of the fixing alkaline agent overcomes the shortcoming of water glass contamination, the continuity of pad dyeing is realized and the production efficiency is improved.

Description

technical field [0001] The invention belongs to a fiber fabric dyeing process, in particular to a wet-steaming salt-free dyeing process of a cellulose fiber fabric capable of saving energy and reducing emissions. Background technique [0002] With the development of science and technology and the improvement of people's living standards, the requirements for textiles are getting higher and higher, and they are constantly pursuing green and environmental protection. Therefore, cleaner production has become an urgent yearning and pursuit of people. The conventional dyeing process has long routes, high cost, high process control points, high probability of quality problems, many dyed colors, and continuous increase in processing varieties. It requires textiles to achieve higher fastness performance, and products require fast delivery and environmental protection. Regulations are becoming stricter, processing batches are decreasing, restrictions are set in Europe and the United ...

AI Technical Summary

Problems solved by technology

Study the intelligent equipment for wet-steaming and salt-free dyeing of home textile high-grade fabrics, and solve the color difference between the left, middle and right sides of the product caused by many problems in the wet-steaming and salt-free dyeing equipment at present; The detection device solves the dyeing defects caused by the fabric liquid rate and the fluctuation of the alkali concentration; the systematic research on the uniform mixed liquid circulation device solves the poor dyeing property and front-to-back difference caused by the uneven dyeing liquid and dye hydrolysis; the self-made design combination is planned To form wet steaming and salt-free color fixing equipment, first move the dyeing equipment used for cold pad-batch dyeing to the front of the washing machine, including the proportional pump device for cold pad-batch dyeing. The trough separates the chemical material, which can be mixed into the trough by a proportional pump