Ultralow bath-ratio yarn dyeing machine with three-level vane pump

Abstract

The invention discloses an ultralow bath-ratio yarn dyeing machine with a three-level vane pump, comprising a dye vat, a yarn stand and a vane pump, wherein the bottom of the yarn stand is a yarn stand disk; the yarn stand disk is provided with a hole communicated with a dye liquor input channel in the dye vat; the vane pump is arranged below the whole dye vat and is a three-level vane pump; a shaft of the three-level vane pump is connected with an internal motor shaft coaxially; the dye vat is connected with the inlet of the three-level vane pump; the three-level vane pump comprises an axial flow level, a centrifugal level and a fixed guide vane level; the axial flow level and the centrifugal level are connected with the motor in sequence through the same transmission shaft; dye liquor flows into the axial flow level through an in-flow channel; the dye liquor flowing out of the axial flow level directly enters the inlet of the centrifugal level; and the dye liquor flowing out of the centrifugal level enters an out-flow channel after passing through the fixed guide vane level. During work, the dye liquor in the dye vat does not exceed the yarn stand disk all the time and the bath ratio is lower than 1:3. The ultralow bath-ratio yarn dyeing machine can achieve required lift when the dye liquor in the yarn dyeing machine is lower than a spindle, so as to realize the low bath ratio of the yarn dyeing machine as well as the purpose of saving energy and reducing emission.

Description

technical field [0001] The invention relates to the design field of yarn dyeing machines, in particular to an ultra-low liquor ratio three-stage impeller pump yarn dyeing machine. Background technique [0002] The disadvantages of traditional cheese dyeing machines are large bath ratio, high power consumption, many dyeing and chemical auxiliaries, and long process time. One kilogram of spindles requires more than 8 kilograms of water. In actual use, the spindles are soaked in half of the creel in dyeing water in a saturated state. [0003] At present, the domestic dyeing and finishing equipment has the following problems: (1) The efficiency of dyeing and finishing equipment is low and the process time is long. The traditional overflow dyeing machine takes about 8-10 hours to dye a vat of cloth, and the dyeing cycle is long and time-consuming. Dyeing and finishing equipment made abroad takes 3 to 4 hours. (2) The pollution is heavy, and the amount of dye auxiliaries is requ...

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Problems solved by technology

[0003] At present, the domestic dyeing and finishing equipment has the following problems: (1) The efficiency of dyeing and finishing equipment is low and the process time is long. The traditional overflow dyeing machine takes about 8-10 hours to dye a vat of cloth, and the dyeing cycle is long and time-consuming. Dyeing and finishing equipment made abroad takes 3 to 4 hours

(2) The pollution is large, and each cylinder dyeing requires a large amount of dye auxiliaries

(3) The water consumption is large. The water consumption per kilogram of fabric of the traditional overflow dyeing machine is large, which is about 47% more than that of the foreign-made dyeing and finishing equipment.

(4) Power consumption is large. The power consumption of traditional overflow dyeing machine per thousand kilograms of fabric is about 380 kilowatt-hours, which is about 47% more than that of foreign dyeing and finishing equipment.

[0006] The main pump is the power source of the bleaching and dyeing liquor circulation, and its performance is directly related to the bleaching and dyeing effect. The head of the high temperature and high pressure cheese circulation pump is a very important parameter for the dyeing quality of the cheese. If the head is too small, the dye liquor cannot penetrate the dyeing vat. For each spindle in the machine, the dyed yarn has color difference and uneven dyeing. If the head is too large, it will not only waste energy, but also reduce the strong elongation of the yarn due to the strong impact of the dyeing liquid on the yarn, and affect the fluffing of the yarn surface. weaving effect

Therefore, it is necessary to reasonably control the head parameters according to the fabric technology requirements, and the current dyeing machine is difficult to meet the requirements of the dyeing process when the current dyeing machine has an ultra-low bath ratio of 1:3.

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