The high temperature and high pressure dyeing machine is generally used to dye chemical fiber gray cloth and yarn products, which has the characteristics of high color fastness and uniform dyeing. However, the dyeing process requires high-temperature and high-pressure steam, and the dyeing machine is subjected to high temperature and high pressure, which has certain dangers. Cotton fabrics generally use normal temperature and pressure dyeing machines.
Operation method of high temperature and high pressure dyeing machine
1. High temperature and high pressure warp beam dyeing machine
The knitted fabric is wound on a hollow reel warp beam covered with small holes on the surface, sent into a horizontal cylindrical stainless steel shell, sealed and pressure dyed, and then processed. The dye solution is transported by a centrifugal pump, and circulates from the inside to the outside or from the outside to the inside of the fabric layer through the warp beam. If not done properly, this type of dyeing machine will produce color differences in the inner, outer and middle of the fabric layer.
2. Winch type high temperature and high pressure rope dyeing machine
Features: sealed and pressure-resistant, can be used at high temperature and high pressure, and can also be used at normal temperature and pressure. Low steam consumption.
Wide variety of dyes and fabrics are applicable.
3. High temperature and high pressure overflow dyeing machine
The dye liquor is pumped out from the bottom of the dye tank, and enters the overflow tank through the heater. Two or three overflow pipe inlets are arranged in parallel in the overflow tank.
The fabric is circulated by the active guide roller and the overflow of the dye solution. During the dyeing process, the fabric is in a relaxed state, the tension is very small, the dyeing is uniform, the color is bright, and the product feels soft
Mainly used for dyeing synthetic fiber warp-knitted, weft-knitted and elastic fabrics. It can be used for high temperature and high pressure dyeing, and can also be used for normal temperature and pressure dyeing.
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