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Method for inspecting and controlling dyeing liquid component of dyeing machine on-line

A dyeing machine and dye liquor technology, applied in ratio control, chemical variable control, non-electrical variable control, etc., can solve the problems of large influence on dyeing quality, responsibility of dyeing control personnel, color difference before and after dyeing, etc.

Active Publication Date: 2008-10-29
BLACK PEONY TEXTILE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this control mode, due to the difference between the time interval of manual detection and the way of adding, and the different responsibility of the dyeing control personnel, human factors have a greater impact on the dyeing quality, and it is easy to cause the various components of the dye solution in the dyeing tank to be damaged. Instability, especially the color difference before and after dyeing

Method used

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  • Method for inspecting and controlling dyeing liquid component of dyeing machine on-line
  • Method for inspecting and controlling dyeing liquid component of dyeing machine on-line
  • Method for inspecting and controlling dyeing liquid component of dyeing machine on-line

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] See figure 1 , step ① of the method of this embodiment is to set up an online detection and control system. The system has a dye liquor component adding device, a dye liquor reducing agent online detection device 5, a dye liquor pH value online detection device 6, a dye liquor sampling pump 8 and a circuit device. The dye liquor component adding device has a dye liquor replenishing device 2 , a caustic soda replenishing device 3 and a hydrosulfite adding device 4 . The circuit arrangement has an industrial control computer 9 . The on-line detection and control system also has a material addition container 1 arranged in the dye liquor circulation loop of the dyeing machine.

[0025] 2, the industrial control computer 9 has a CPU board 91, an input board 92 and an output board 93 controlled by the CPU board 91, and also has an LCD display, a mouse, a keyboard, and a display card. The input board 92 is composed of an analog signal input sampling card 92-1 and a digital ...

Embodiment 2

[0071] See Fig. 6 and Fig. 7, others are the same as embodiment 1, the difference is that: the online detection and control system of this embodiment is used in the ball warp dyeing machine. Therefore, compared with Embodiment 1, there are certain changes in the connection relationship of related equipment and components. Among them, the dye constant flow box 21 in the system is connected to the dye solution suction pipe 74 at the suction port of the dye solution circulation pump 71 through the filter, the dry vat dye solution supply metering pump 22 and the valve in sequence; the material addition container 1 is a material addition tank; The material adding tank 1 has a hydrosulfite adding port, a caustic soda solution adding port, a dye liquor output port and a dye liquor return port. The dye solution output port of the material adding tank 1 is connected with the dye solution circulating pump 71 through the valve, the dye solution suction pipe 74 and the filter screen succe...

Embodiment 3

[0081] Other processes are the same as in Example 1, except that the dye in the dye solution is magenta.

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Abstract

A method for on - line detecting and controlling the dyeing liquid composition used on dyeing machine includes collecting the dyeing liquid sample from dyeing liquid tank of dyeing machine on line at real time, using industrial control computer to control process of using potentiometric titration to detect composition concentration of dyeing liquid and pH value of dyeing liquid on line at set time, comparing obtained value with set value and controlling relevant addition units to add relevant assistant and relevant composition according to compared result for keeping composition of dyeing liquid in said tank to be the same as set value for ensuring quality of dyeing.

Description

technical field [0001] The invention relates to a method for detecting and controlling the dye liquor components of a dyeing machine, which is suitable for the field of dyeing textiles with vat dyes. Background technique [0002] In the printing and dyeing of textiles with vat dyes, the detection and control of the amount of the corresponding vat dyeing solution and the content of each component in the dyeing solution are basically manual detection and manual control. In this control mode, due to the difference between the time interval of manual detection and the way of adding, and the different responsibility of the dyeing control personnel, human factors have a greater impact on the dyeing quality, and it is easy to cause the various components of the dye solution in the dyeing tank to be damaged. Instability, especially the color difference before and after dyeing. Therefore, ensuring the stability of various elements related to dyeing and reducing the influence of huma...

Claims

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Application Information

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IPC IPC(8): G05D21/00G05D21/02
Inventor 邓建军
Owner BLACK PEONY TEXTILE CO LTD
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