JPS6357541B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a beam dyeing method, and more specifically, to a beam dyeing method that can be processed in a short time at a low bath ratio.

[Conventional technology]

A generally known method is to wrap a fiber fabric in a layer around the outer periphery of a beam tube, place it in a dyeing tank, and circulate a treatment solution through the beam tube and the fiber fabric to carry out the dyeing treatment. and,
In such beam dyeing processing, in order to perform low liquor ratio processing, a dummy is placed in the dyeing processing tank to reduce the internal volume of the processing tank, thereby reducing the amount of processing liquid filled in the processing tank. It has been proposed to reduce the
-544 and Special Publication No. 58-5301).

[Problem that the invention seeks to solve]

According to the method proposed above, by realizing a low bath ratio, dyes, auxiliary agents, water, steam, etc. can be saved, and costs in beam dyeing processing can be reduced. However, even though it is possible to achieve a lower bath ratio through such measures, it is not possible to shorten the dyeing process time and effectively perform uniform dyeing with such measures alone, and therefore it is not possible to shorten the dyeing process time and effectively perform uniform dyeing. However, there were still problems in that it took a long time and in some cases resulted in uneven staining.

Therefore, the present invention aims to solve the problems in the prior art as described above.

[Means for solving problems]

According to the present invention, there is provided a method for dyeing by arranging a beam tube around which a fiber fabric is wrapped in layers in a dyeing treatment tank, and circulating a treatment liquid through the beam tube and the fiber fabric layer. Therefore,
In this method, the amount of treatment liquid supplied into the dyeing treatment tank is set to 1/2 to 2/3 of the capacity of the treatment layer, and the circulation flow rate of the treatment liquid by the pump is 3 to 4 times the amount of treatment liquid per minute.
and rotating the beam tube during the dyeing process.

According to the method of the present invention having the above configuration, the dissolved concentration of the dye and auxiliary agent in the treatment liquid is made uniform, and the temperature distribution in the tank is also uniform, so that uniform dyeing of the fiber fabric is achieved. At the same time, the number of circulations of the treatment liquid is greatly increased, so that the dyeing time can also be shortened. Therefore, the fiber fabric can be beam dyed at a low bath ratio and in a short time, making it possible to dye very efficiently and at low cost, and to obtain uniform and high-quality dyed products.

Hereinafter, the method of the present invention will be explained in detail with reference to the accompanying drawings.

In FIG. 1, reference numeral 1 denotes a horizontal cylindrical airtight container having an opening/closing lid 2. As shown in FIG. Reference numeral 3 denotes a beam tube, which has a large number of holes formed on its circumferential surface, and a fiber cloth 10 is wound in multiple layers on its outer circumference. The beam tube 3 is detachably set by a beam holding device 13 attached to the opening/closing lid 2 and a beam receiver 11. The processing liquid in the sealed container 1 passes through the suction pipe 12, the heat exchanger 24, and the pump 34.
be sucked into. A processing liquid circulation path is formed such that the processing liquid discharged from the pump 34 is supplied from the beam receiver 11 side of the container 1 into the hollow of the beam tube 3 via a discharge pipe 35. .

A rotating shaft 36 is fixed to the core of the beam receiver 11, and the rotating shaft 36 extends to the outside of the container 1, and its end is connected to the rotating air cylinder 14. The beam tube 3 is
It is sandwiched between the beam receiver 11 and the beam presser 13 at the front and back, and is adapted to rotate with the rotation of the rotating shaft 36. Note that a bearing portion 37 is appropriately attached to the rotating shaft 36.

Water is supplied by opening the valve 19. The liquid level in the container 1 is set at a position 39 of 1/2 to 2/3.

The dye, auxiliary agent, etc. are charged into the charging tank 23 and supplied together with the processing liquid to the suction side of the main pump 34 via the injection pump 31, check valve 30, and injection valve 29. In addition, 21 is a return valve.

The main pump 34 is driven and the processing liquid is circulated.
First, the processing liquid discharged from the discharge side of the main pump 34 is supplied to the hollow section in the beam tube 3 through the communication section on the beam receiver 11 side of the container 1 . The processing liquid sent to the hollow part in the beam tube 3 passes through a number of holes provided on the circumferential surface of the beam tube 3 to the fabric 1 to be treated.
0 , then into the suction pipe 12 , through the heat exchanger 24 and back to the suction side of the main pump 34 .

The amount of processing liquid to be circulated is 3 to 4 times the amount of processing liquid supplied. During the dyeing process, the rotating air cylinder 14 is used to slowly rotate (1/4 rotation/minute).

〔Example〕

The following examples serve to further illustrate the invention.

Example 1 Dyeing machine: Hisaka LLB-120/30 type beam dyeing machine Material to be dyed: Nylon tricot, 1800m, 324Kg Liquid volume: 2000 (total capacity 4500) Circulation flow rate: according to Table 1 Number of cycles: according to Table 1 Beam rotation: 1/4 rotation/min Dye: Acid dye Table 1 Circulation flow rate 4000/min 6000/min 8000/min Number of cycles 2.0 3.0 4.0 Processing time 110 minutes 85 minutes 75 minutes As described above, processing time was significantly shortened.

Note that when the beam tube was not rotated, a color difference occurred between the upper and lower sides of the treated fabric wound around the beam tube. Therefore, if the beam is not rotated, the treatment liquid level must be raised to a position where the fabric to be treated is submerged.

〔Effect of the invention〕

According to the present invention, it is possible to beam dye a fiber fabric at a low bath ratio and in a short time, and it is possible to obtain a uniform and high-quality dyed product.

[Brief explanation of drawings]

FIG. 1 is a schematic diagram showing an apparatus for implementing the method of the present invention. 1... airtight container, 2... opening/closing lid, 3... beam tube, 10... fiber fabric, 11... beam receiver, 13
...Beam presser, 14...Air cylinder, 2
4... Heat exchanger, 34... Pump.

Claims (1)

[Claims] 1 In a method of dyeing by disposing a beam tube with a fiber fabric wrapped around the outer periphery in a layer in a dyeing treatment tank and circulating a treatment solution through the beam tube and the fiber fabric layer, supplying the dyeing solution into the dyeing treatment tank. The amount of the processing solution to be used is set to 1/2 to 2/3 of the capacity of the processing tank, the circulation flow rate of the processing solution by the pump is set to 3 to 4 times the amount of processing solution per minute, and the beam tube is closed during the dyeing process. A method characterized by rotating.