JPS5915556A - Hot liquid dyeing apparatus - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a continuous level dyeing method that enables economical and uniform color development over the entire surface of a long fabric.

Conventional methods for continuously coloring (dying) large quantities of long fabrics produced industrially use, for example, a moist heat reaction chamber such as the Purgle Range (trade name) developed by the present inventor or a high-pressure steamer. However, in such conventional continuous dyeing methods for long fabrics, the fabric to be dyed is first immersed in a dye solution in a dye bath installed outside the moist heat reaction chamber. After passing through the liquid-impregnated fabric and squeezing out the excess liquid from the liquid-impregnated fabric with a squeezing roll, the liquid soaked in the fabric is prevented from being deposited on a heat-and-moisture sealing roll or a guide roll. After performing intermediate drying of the waste, the fabric was then fed into a steamer can (inside a wet heat reaction chamber) and steamed to fix the dye onto the fabric.

However, in such conventional dyeing methods, the inside of the steamer can is dyed prior to the color development process.

^ Since it is necessary to maintain an atmosphere of high temperature and humidity, it takes a long time for the inside of the steamer can to reach the specified cylinder temperature and humidity, so it takes a long time to prepare the fabric before it is put into operation. Furthermore, a large amount of thermal energy is expended until the inside of the steamer can has an atmosphere of a predetermined temperature and humidity.

In addition, the fabric inlet and outlet of the steamer can are
Continuous introduction and extraction of fabric is allowed, but if the steamer is equipped with a sealing mechanism to maintain high temperature and high humidity inside the steamer can, the overall structure of the steamer can is complicated, and furthermore, With the demand for a pressure-resistant structure and a heat-resistant structure, there have been problems such as an increase in size and an increase in the cost of the entire device.

Furthermore, in the conventional continuous dyeing method, the transferred fabric is passed through VC-immersion in the dye liquor, but when the excess dye liquor contained in the fabric drawn out from the dye liquor is squeezed out by squeezing 90 mm. However, there is a problem that causes uneven squeezing. That is, since the width of the fabric is at least 90 crn or more, in order to squeeze this fabric continuously, a drawing roll with a length equal to or longer than the width of the fabric is required. In the case of a long drawing roll, the drawing pressure is different between the center part of the fabric and the edges on both sides, so the liquid content is medium-diluted, medium-dense, and there is less liquid left in the center of the fabric, or There was a problem in that the number of dyes increased, resulting in uneven dyeing.

The present invention has been made in view of the above circumstances, and the main purpose of the present invention is to speed up the operation of wet heat treatment by spraying the fabric to be dyed with a jet force from a dye liquid monozzle at high temperature and high humidity. In addition to simplifying the structure of the steamer can, it is also possible to suppress waste of thermal energy and carry out highly economical dyeing processing.

The present invention will be described in detail below based on embodiments shown in the drawings.

1 is a vertical heat treatment chamber, and a heating chamber 2 is formed at the bottom of this heat treatment chamber 1. A high-humidity burner 5 is disposed within the heating chamber 2 for blowing a high-humidity and heat gas toward the fabric 4 introduced through the fabric inlet 3 to be dyed. Also, a heat treatment chamber 1 formed above the heating chamber 2
Inside, guide rolls 6 for pulling up the fabric 4 and humidifying nozzles 7 for humidifying the fabric 4 transported by these guide rolls 6 are arranged.

8FJ This is a nozzle for applying the IJII heat dyeing liquid to both sides or one side of the fabric 4 placed in the heating chamber 2, and this nozzle 8 is installed oppositely with the fabric 4 sandwiched between the -C
As shown in FIG. 2, the dye liquid injection ports 9e of both nozzles 8 are opposed to each other at a slight angle in the direction of movement of the fabric 4. Furthermore, these nozzles 8 are connected to a high-temperature liquid generating mechanism IO as shown in FIG. The high-temperature liquid generation mechanism 10 includes a can body 11 that can be sealed, a steam supply pipe 12 for supplying high-pressure steam into the can body 11, and a steam supply pipe 12 for keeping the steam pressure inside the can body 11 constant. Internal pressure automatic llAl! A ¥5 valve 13 and a drain valve 14 to be used as necessary are provided. 15 is a dye liquid heating pipe which is piped in a meandering manner inside the can body 11, and A-16 is
Water heating pipes are arranged in a spiral manner inside the can body, and the dye liquor heating pipe 15 and the water heating pipe 16 are supplied with dye liquor and water supplied from the outside of the can body 11. It is piped so that it can be led out to the outside of the can body 11 through the can body 11 . Also, these heating tubes 15 and 16
The piping condition is not limited to this example;
The heating tube may be formed into an appropriate shape so as to easily receive the heat inside the heating tube, and a large number of blades may be attached to the heating tube to increase the heat resistance.

Reference numeral 17 denotes a wet heat treatment chamber which is installed adjacent to the heat treatment chamber 1. Inside this wet heat treatment chamber 17, there is a guide roll 18 for making the fabric meander, and after being guided by this guide roll 18, A humidifying nozzle 19 is provided for applying heated water to the fabric 4 to be mixed. This humidifying nozzle 19 and the humidifying nozzle 7 are connected to the water heating pipe 16 of the high-temperature liquid generating mechanism IO, and the nozzle 8 is still connected to the dye liquor heating pipe 15.

The above is the configuration of this embodiment.Next, its operation will be described. First, pressurized steam is supplied into the can body 11 through the steam supply pipe 12.
For example, 5 +', #/
cm'' high-pressure steam chamber, the temperature inside this can body 11 is maintained at approximately 150°C.With this heating power of 150°C, the dye liquid heating layer 15 and the water heating layer 116 arranged inside this can body 11 are heated.
is heated to an approximate value of 9150°C due to its heat conduction effect. By passing the dye liquor and water under pressure into this chestnut waste heating v15 and water heating pipe 16,
The dye liquor or water in these heating tubes is heated to nearly 150°C. The dye liquor or hot water thus heated to a high temperature is
Spouted from the dye liquid nozzle 8 or the heating nozzle 7.19,
It is applied and impregnated onto the fabric 4 to be treated.

That is, by spraying the dye solution heated to nearly 150°C at a constant rate through the nozzle 8 onto the fabric supplied into the heat death 3M chamber 1, it is highly absorbent to the inner core of the fabric, and there is no waste. No dye liquor is applied or impregnated.

When the high-heat dye liquid is injected from the nozzle 8 under normal pressure, the temperature of the heated dye liquid drops rapidly, but by making the distance between the nozzle and the fabric as close as possible, 10
Pressure is applied to the IJJ where the heated dye liquor at 0°C or higher is to be processed.
88i, thereby making it possible to effectively impregnate the dye solution with F at normal pressure. Furthermore, as shown in this embodiment, by placing a pair of nozzles 8 close to both sides of the fabric, the heated dye liquid injected from the injection lowers of both nozzles 8 is in a high temperature state, and moreover, it can be applied to the inner core of the fabric. Because it is press-fitted to a depth of 100 mm, effective dye liquor impregnation treatment can be expected.

The fabric, which has been effectively impregnated with the dye liquor, is placed in the heat treatment chamber 1.
For example, a humid flame of around 300°C is supplied to the fabric 4.
The dyeing process progresses at a high speed due to this high humidity and hot gas. The fabric that has received the high-humidity hot gas in this way is supplied to the upper part of the heat treatment chamber 1 and then to the moist heat treatment chamber 17; The fabric 4 can be pressurized with hot water of 100° C. or higher heated by the high-temperature liquid generating mechanism 10 to the fabric to be treated, thereby effectively performing high-humidity heat treatment under normal pressure, that is, dyeing treatment. It is something that is done.

Further, as shown in this embodiment, a pair of nozzles 7 are provided on both sides of the fabric.
．． By placing 19 in close proximity, this pair of nozzles 7.19
Effective high-temperature liquid treatment can be expected because the heated liquid injected from the injection port is in a high temperature state and is pressed into the inner core of the fabric.

Since the injection port of the nozzle 7.19 is oriented in the traveling direction Q of the fabric at ψ, the injection force of the heated liquid injected from this injection port acts to smoothly transfer the fabric. It also has the effect of

As described above, the present invention includes a high-temperature liquid generation mechanism in which a liquid passage pipe is disposed inside a can that maintains a high and constant temperature by supplying steam under pressure, and a fabric that is continuously transferred. In addition to being equipped with a guide roll that allows the fabric to be guided by the guide roll, ? A heat treatment chamber equipped with a humid burner and a heating nozzle for spraying high-humidity hot gas and high-temperature water from the high-temperature liquid generating mechanism toward the irr+, and a fabric to be supplied to the heat-treated ulcer. Since this is a high-temperature # dyeing device r, 1, which is characterized by having a dye liquid nozzle that is close to each other and sprays a heated dye liquid obtained from a hot liquid generating mechanism described in bII, It is possible to provide an economical continuous fabric dyeing apparatus that does not require a steamer can for retaining a moist budding atmosphere and a sealing mechanism to be provided at the fabric inlet and outlet of the steamer can. In addition, the fabric does not have to run until a large amount of thermal energy is accumulated in the steamer can, and moist heat can be applied immediately to the fabric, allowing for faster processing operations.Furthermore, there is no wasted energy. It can be resolved. Furthermore, by adjusting the amount of liquid sprayed from the dye liquid nozzle according to the running speed of the fabric, the dye liquid can be applied continuously and uniformly over the entire surface of the fabric with a fixed lid and without waste. It has the advantage of being able to achieve high-quality dyeing processing.

[Brief explanation of the drawing]

The drawings all show an embodiment of the apparatus according to the present invention, and FIG. 1 is an explanatory diagram of its heat treatment chamber, FIG. 2 is an enlarged cross-sectional view of only the nozzle, and FIG. 3 is an explanatory diagram of the high heat generation mechanism. . 1... Heat treatment chamber 2... Heating chamber 3... Fabric inlet 4... Fabric 5... Humid burner
6... Guide roll 7... Humidifying nozzle
8...Nozzle ()・Dye 71 da injection 1'' 10...
・High temperature liquid generation mechanism II...Can body 12...
・Steam supply pipe 13...Internal automatic self-regulating valve 14...Drain valve 15...Dyeing liquid heating valve 16...Water heating pipe 17
...Moist heat treatment carp chamber 18...Guide roll 19.
...Humidifying nozzle Figure 1 Figure 21-11 Figure 3

Claims (1)

[Claims] It is equipped with a high-temperature liquid generation mechanism in which a liquid passage pipe is arranged in a can that maintains a high and constant temperature by supplying steam under pressure, and a guide roll that continuously transfers the fabric. A heat treatment chamber equipped with a humid burner and a heating nozzle that spray high-humidity hot gas and high-temperature water obtained from the high-temperature liquid generation mechanism toward the surface of the fabric guided and transferred by rolls, and supply to the heat treatment chamber. 1. A high-temperature liquid dyeing apparatus, characterized in that a dye liquid nozzle is disposed close to the surface of the fabric to be dyed and sprays a heated dye obtained from the high-temperature liquid generating mechanism.