JPH0647784B2 - Uniform dyeing method and apparatus for vertical package dyeing processing apparatus - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a uniform dyeing method and apparatus in a vertical package dyeing processing apparatus.

[0002]

2. Description of the Related Art Conventionally, in a vertical package dyeing treatment apparatus, a dissolving tank, an auxiliary agent tank or an additional tank is attached to dissolve a dye or an auxiliary agent, and the mixture is introduced into the processing tank by a pump → carrier. → Spindle → Cheese → Treatment tank → Pump path or the reverse path to perform forced circulation for dyeing.

In this case, since the dyeing solution or the auxiliary solution having a high concentration is directly supplied from the inner layer portion of the cheese in a short time, there is a possibility that uneven dyeing of the inner and outer layers may occur. Especially when dyeing cotton, rayon, etc. with a reactive dye, the above dyeing unevenness was observed when the dye, mirabilite and soda ash were injected.

[0004]

As a method for coping with the above-mentioned problems, conventionally, (A) the carrier is hung on the treatment tank before injecting the auxiliary agent or the like into the treatment tank, and the carrier is removed from the auxiliary agent tank or the like. After injecting into the processing solution, the dyeing solution is stirred once to obtain a uniform concentration, and then the carrier is returned to the processing tank and loaded, or (B) a dissolution tank having the same capacity as the processing tank is provided separately, and the treatment in the processing tank is performed. The solution is once returned to the dissolution tank, and the solution is sufficiently stirred in this dissolution tank before being supplied to the treatment tank. Furthermore, (C) When injecting the auxiliary agent, the auxiliary agent tank is injected to control the injection amount over time. A method of controlling the rotation speed of the pump with an inverter (dosing method) was observed.

However, in the above method (A), the entire carrier in the processing tank is hoisted and the dyeing liquid is returned to the processing tank after adjusting the stirring, so that the workability is poor and the processing tank is opened and stirred. There were some defects that could cause environmental deterioration due to the generation of steam containing auxiliary agents. In addition, the method (B) requires a space for installing a dissolution tank having the same capacity as the processing tank, which increases the equipment cost and requires time and labor for moving and refilling the processing solution. Was seen. Further, the method (C) has drawbacks such that it takes a long time to inject the auxiliaries and the like, which causes a cost increase.

The object of the present invention is to eliminate the above-mentioned drawbacks and difficulties and to uniformly penetrate the package fiber such as cheese after uniformly adjusting the concentration of the processing solution containing dyes and auxiliaries in the vertical package dyeing processing apparatus. By shifting to the dyeing process that is inserted, uneven dyeing does not occur between the inside and outside of the package fiber, there is no increase in equipment cost, and the dyeing process time can be shortened. An object of the present invention is to provide a dyeing method and an apparatus for a die-type package dyeing processing apparatus.

[0007]

In order to achieve the above object, as a method of the first invention, a plurality of packages of cheese or the like are stacked through a spindle on a carrier loaded in a vertical package dyeing processing apparatus. Connected to the discharge side of the pump in the dyeing method in which the processing liquid containing the dye and auxiliary agent is processed by forced circulation of the fiber from inside the spindle to penetrate the cheese from the spindle (or in the opposite direction). By using a bypass pipe opened on the side surface of the processing tank, prior to the forced circulation at the start or restart of dyeing, a processing solution containing dyes, auxiliaries, etc. is stirred and circulated in the processing tank to a predetermined concentration. After the adjustment, a uniform dyeing method was used in the vertical package dyeing treatment device so as to shift to the forced circulation.

In order to realize this method, as an apparatus of the second invention, a dyeing treatment tank in which a carrier having a large number of spindles stacked with packaging fibers such as cheese is loaded in parallel, an internal space of the carrier and the above In a vertical package dyeing processing device that forms a main circulation path by a pump that communicates with a processing tank, which is an external space of a carrier, through a pipe, respectively, and is connected to the internal space of the carrier on the discharge side of the pump. A chemical solution such as a dye or an auxiliary agent supplied from a dissolution tank or an auxiliary agent tank, provided with a processing solution stirring circulation path that is formed by a bypass pipe that branches from the piping that is connected to the side surface of the processing tank that is the external space of the carrier. A vertical package dyeing treatment apparatus provided with a sluice valve or a switching valve that can appropriately switch the treatment liquid containing the above to the main circulation path and the stirring circulation path.

[0009]

In the first aspect of the present invention, the processing liquid containing the dye, the auxiliary agent, etc. supplied from the dissolution tank or the auxiliary agent tank is agitated and circulated by the pump through the bypass piping opened on the side surface of the processing tank, whereby the processing liquid is predetermined. The concentration was adjusted to. The supply of dyes, auxiliaries and the like to the treatment tank may be stopped once and then restarted not only at the start of dyeing, but also at this time, the predetermined concentration is adjusted by the above method.

After adjusting the concentration in this way, the main circulation path is changed by the switching valve or the sluice valve, and the pump, the carrier, the spindle, the cheese, the processing tank, and the forced circulation of the pump are used. There was no unevenness in the dyeing with the processing solution that penetrates outward. In particular, it is effective in preventing internal and external color difference due to so-called alkaline shock at the time of injecting an alkaline agent (eg, soda ash, sodium phosphate, etc.) that acts as a dye adsorbent when dyeing cellulose fibers with reactive dyes. Is big.

As an invention of an apparatus for realizing the above method invention, one end is connected to the side of a carrier loaded in a vertical package dyeing processing apparatus so as to open, and the other end is the discharge side of a pump and the internal space of the carrier. A bypass pipe, which is branched from the pipe connected to, is connected to the side surface of the processing tank, which is the external space of the carrier. Therefore, for the dyeing treatment, the pump, the carrier, the spindle, the cheese, the treatment tank, the main circulation path forcibly circulating with the pump, and the treatment liquid containing the dyes and auxiliaries supplied to the treatment tank are agitated to a predetermined concentration. An agitation circulation path was formed, and it was possible to arbitrarily switch by a sluice valve or a switching valve. The stirring circulation path circulates between the processing tank and the pump to prevent the circulating liquid from directly hitting the cheese mounted on the spindle above the carrier, and until the entire processing liquid in the processing tank obtains the prescribed concentration. Circulation continues.

When the treatment liquid reaches a predetermined concentration, the circulation path is switched to perform the dyeing process as the main circulation path.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The embodiments of the present invention device shown in the drawings will be described below. Reference numeral 1 is a vertical package dyeing processing apparatus in which a large number of package fibers 4 such as cheese are stacked and loaded through a spindle 3 on a carrier 2. Reference numeral 2a indicates an inner space of the carrier, and 2b indicates an outer space. Reference numeral 5 is a bypass pipe, one end of which is opened to the side surface 6 of the processing tank, and the other end of which is connected to the discharge side 8 of the pump 7 so as to be branched from the pipe connected to the internal space of the carrier. Therefore, the bypass pipe 5 communicates with the processing tank which is the external space of the carrier 2. The side surface 6 of the processing tank is preferably a side surface below the carrier 2, but is not necessarily limited to the bottom portion of the processing tank below the carrier as long as it is possible to prevent cheese deformation, yarn roughening, and fluffing due to the circulating liquid. 9 and 10 are sluice valves. A flow path switching valve such as a three-way switching valve can be used instead of the sluice valve.

Reference numeral 11 denotes a dissolution tank or an auxiliary agent tank, which dissolves and stirs dyes, auxiliary agents and the like. Reference numeral 12 is a pump, and 13 is a supply pipe, which is connected below the vertical package dyeing processing apparatus 1. 14
Is a heating pipe, which is arranged in the bottom portion of the vertical package dyeing treatment apparatus 1 and supplies steam or cooling water to adjust the temperature in the treatment tank. With the above configuration, when the gate valve 9 is opened and the gate valve 10 is closed, the bypass pipe 5
The stirring circulation path is opened and the circulation between the lower part of the processing tank and the pump 7 is performed, so that the concentration of the processing liquid containing the dye, the auxiliary agent, etc. can be adjusted. Since the pipe from the pump 7 to the internal space 2a of the carrier 2 in the processing tank is closed during the circulation by the bypass pipe 5, the package fiber 4 such as cheese is not greatly affected.

When the sluice valve 10 is opened and the sluice valve 9 is closed, the main circulation path is opened, and the carrier 2 circulates from the spindle 3, cheese 4, and the treatment tank to the pump 7 for dyeing.

[0016]

In the method of the first aspect of the present invention, the bypass piping connected to the discharge side of the pump and opened on the side surface of the processing tank is used for stirring and circulation, so that the dye and the auxiliary agent supplied to the bottom of the processing tank are supplied. The treatment liquid containing is stirred and circulated until it reaches a predetermined concentration. There is little influence of this circulation above the carrier,
There is no problem of cheese deformation, yarn roughening, fluffing, etc., and after reaching a predetermined concentration, the dyeing process is performed by the main circulation path leading to the carrier, spindle, cheese, processing tank, pump, etc. There was no difference in dyeing between the inside and outside of the fiber, and the uniformity of dyeing was maintained especially during dyeing by chemical reaction like reactive dyes.

Since only the installation of the bypass pipe on the discharge side of the pump is required, the equipment cost does not increase, and the processing tank is not opened to release the vapor containing the dye and the auxiliary agent to the outside air. There are no sanitary and environmental obstacles. Furthermore, since switching between the main circulation path and the stirring circulation path can be performed only by operating the sluice valve or the switching valve, there is an effect that a uniform dyeing process can be completed in a short time.

In the apparatus of the second aspect of the present invention, a bypass pipe is provided on the side surface of the processing tank of the vertical package dyeing processing apparatus, and a sluice valve or a switching valve is provided to prepare a processing solution having a predetermined concentration prior to the dyeing processing. It became so.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing the entire device of the present invention.

[Explanation of symbols]

1 Vertical Package Dyeing Processing Device 2 Carrier 2a Carrier Internal Space 2b Carrier External Space 3 Spindle 4 Cheese 5 Bypass Pipe 6 Side 7 Pump 8 Discharge Side 9, 10 Gate Valve

Claims (2)

[Claims] 1. A processing liquid containing dyes and auxiliaries is pumped from inside the spindle to a plurality of package fibers such as cheese stacked through a spindle on a carrier loaded in a vertical package dyeing processing apparatus from a spindle. In the dyeing method in which cheese is processed by forced circulation (or through in the opposite direction), the bypass pipe connected to the discharge side of the pump and opened on the side surface of the processing tank is used at the start of dyeing or Prior to the forced circulation at the time of restarting, a treatment liquid containing a dye, an auxiliary agent, etc. is agitated and circulated in the treatment tank to adjust the concentration to a predetermined value, and then the forced circulation is performed. A uniform dyeing method in a vertical package dyeing processing apparatus. 2. A dyeing treatment tank in which a carrier having a large number of spindles stacked with packaging fibers such as cheese is installed in parallel, and a piping is respectively provided in an inner space of the carrier and a treatment tank which is an outer space of the carrier. In a vertical package dyeing treatment device that forms a main circulation path with a pump that communicates with the external space of the carrier by branching from a pipe connected to the internal space of the carrier on the discharge side of the pump. A treatment liquid stirring circulation path consisting of a bypass pipe communicating with the side surface of the processing tank is provided, and a treatment liquid containing a chemical solution such as a dye or an auxiliary agent supplied from a dissolution tank or an auxiliary agent tank is agitated with the main circulation path. A vertical package dyeing processing apparatus, characterized by being provided with a sluice valve or a switching valve that can be appropriately switched to a circulation path.