JPH0841777A - High-pressure steamer - Google Patents

Abstract

PURPOSE:To cope with the diversification and lot minimization in the processing of polyester fibers or the like, enable exact and uniform steaming within a shortened time using a simplified mechanical constitution and further save labor hours with increased productivity to reduce costs. CONSTITUTION:In this high-pressure steamer, a winding core 8 whose circumferential surface has many perforated holes 6 and around which the cloth to be dyed 7, can be hung is made mountable to a rotary shaft 5 which has many perforated holes 4 on its surface and set freely rotatably on the center of a cylindrical tank for steaming. A steaming pipe 10 having an inlet and an outlet holes 9 is arranged at the lower part of the cylindrical tank and the steam reheated in another heating tank 11 is jetted from the steaming pipe 10 to pass through the cloth to be dyed thereby effecting high-pressure steaming for a certain time, then the steam is fed through the rotary shaft 5 to continue the high-pressure steaming for another certain time.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rotary shaft which is rotatable about the center of a cylindrical pressure steaming tank and has a large number of openings, and has a large number of ventilation holes on its peripheral surface for suspending a material to be dyed. A rotatable winding core can be mounted, and a steaming pipe having steam introduction and discharge holes is arranged below the pressure steaming tank,
Steam reheated separately in a heating tank is steamed to a high pressure for a certain period of time from the steaming pipe in the pressure steaming tank through the material to be dyed,
The present invention relates to a high-pressure steaming machine in which the dye after dyeing the dyeing object is vividly and uniformly developed by steaming the dyeing material through the rotary shaft to a high pressure for a certain period of time.

[0002]

2. Description of the Related Art Conventionally, in the printing process of a dyeing material, the vividness of the dye is developed by passing through a steaming process for dye coloring after dyeing. The dye does not develop vividly unless it is steamed uniformly so that the material does not get wet due to dew condensation while maintaining a high pressure state.Recently, the processing of polyester fibers has diversified into small batches, so steaming Machines are also demanded to support it.

Therefore, in response to the demand for such a steamer,
A conventional steamer has been a large-scale high-pressure tank, and the dyed dyeing object to be steamed is continuously folded in the vertical direction at a slight interval in the upper and lower hooks to form a scalloped shape. This is a process of steaming the material to be dyed by injecting saturated steam or heating steam into the large-sized high-pressure tank for a certain period of time after storing it in this large-sized high-pressure tank and sealing it.

However, in such a steaming process, a partial portion of the article to be dyed which is continuously folded in the upper and lower vertical directions with a slight gap between the upper and lower hooking portions, that is, the upper and lower hooking portions. The steaming unevenness occurs in places where the steam is difficult to turn away from the folding places and the places where high pressure steam is injected, and furthermore, since the steaming pot is a large high pressure tank, partial dew condensation may cause wetting, etc. The problem is that it does not steam evenly, the dye does not develop vividly in the partial areas of the same piece of cloth that is dyed, and the equipment becomes large, making it difficult to introduce equipment into a small factory. In addition, the processing of polyester fibers, etc. required by the printing industry does not support diversification and small lots, and has various problems to be solved, such as leading to an increase in the cost of the printing processing process. Is.

[0005]

The present invention has been made in view of the present situation, and the problem to be solved is to cope with the diversification of processing of polyester fiber and the like and the reduction in lot size, and moreover, it is simple. It aims to reduce labor time by performing a precise and uniform steaming process with a special mechanical structure, and at the same time, aiming at labor saving and contributing to improvement of productivity and cost reduction.

[0006]

According to the present invention, a large number of opening holes are rotatably formed in the center of a pressure steaming tank which has a cylindrical shape and one opening of which is capable of high pressure steaming with a sealing lid. A rotary shaft is provided and a large number of ventilation holes are provided in the rotary shaft so that a winding core for suspending a material to be dyed can be polymerized so that it can be mounted, and further in the center under the pressure steaming tank. Is equipped with a steam pipe having steam introduction and discharge holes, and steam reheated by a separate heating tank is passed through a valve to the rotary shaft of the pressure steam tank and a steam pipe arranged in the center below the tank. And steamed the reheated steam supplied by the heating tank from the steaming pipe in the pressure steaming tank to the rotating shaft through the dyed object suspended on the core (out-in) for a certain period of time, After that, pass the dyed object suspended from the rotary shaft to the core. Pressurized steam and into the tank by steaming the (in-out) a predetermined time pressure, but which in the manner uniformly colored by vivid dye after dyeing of the dyed.

[0007]

[Operation] According to the present invention, the material to be dyed is wound around a core having a large number of vent holes so that the material to be dyed is suspended, and the core is made rotatable about the center of the pressure steaming tank. It is superposed on the rotating shaft, and it is constantly rotating during steaming of the dyed material wound around this core, so uneven steaming is prevented and at the same time, by winding the dyed material around the core, the tank (equipment) Reducing the size to a very small size, and then passing steam from the outside to the inside (out-in) from the steam tube to the rotary shaft of the dyed material wound around the core, and from the rotary shaft to the inside of the pressurized steam tank. By carrying out the process of passing from the outside to the outside (in-out) for a certain period of time, a uniform steaming process can be obtained in combination with the rotation mechanism of the above-mentioned dyeing object,
The steam supplied to the pressure steaming tank is reheated in the heating tank immediately before the supply, and is constantly heated by the heater in the piping process to the pressure steaming tank.
It is intended to achieve the above object by preventing dew condensation and wetting of steam in the pressure steaming tank.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings. One opening 1 is rotatable about a center of a pressure steaming tank 3 capable of high pressure steaming with a sealing lid 2. A rotary shaft 5 provided with a large number of opening holes 4 is provided from the closed side of the pressure steaming tank 3, and a large number of ventilation holes 6 are provided in the rotary shaft 5 so as to suspend the article 7 to be dyed. 8 is polymerized so that it can be mounted, and the pressure steaming tank 3
A steaming pipe 10 having a steam introducing / exhausting hole 9 is arranged in the lower center of the inside, and steam introduced from a steam introducing pipe 12 to a heating tank 11 arranged separately is reheated by a heater 13 and steamed under pressure. The tank 3 is connected to the rotary shaft 5 side through the in-out injection valve 14, the out-in discharge cock 15, and the rotary joint 16, and further, from the heating tank 11 through the out-in injection valve 17 below the pressure steaming tank 3. The pressure steaming tank 3 is provided with an in-out discharge cock 18 and the heating tank 11 is provided with a drain cock 19 in addition to piping to a steaming tube 10 provided in the center. , 21 is a motor, 22
Is a speed reducer, 23 is a solenoid valve, 24 is a pressure switch, 25 is a thermometer, 26 is a safety valve, 27 is a pressure gauge, 28 is a sealing screw, and 29 is a flange of a winding core.

The present invention is constructed as described above, and the inner diameter of the pressure steaming tank 3 and the width of the winding core 8 mounted on the rotating shaft 5 of the tank 3 by superposition are the same as those of ordinary fibers. The width of the original fabric, for example, 45 cm or 90 cm for kimono, and the inner diameter of the pressure steaming tank 3 can be freely set, even if the pressure steaming tank 3 is extremely small. Is.

The steaming process according to the present invention will be described. First, in order to preheat the heating tank, the heater 13 and the heater 20 of the pipe are turned on, and the steam introduced from the steam introducing pipe 12 is reheated and pressure steamed. Make sure that raw steam does not enter the tank 3. After that, the out-in injection valve 17 is opened to reheat the steam, and the steam is introduced and discharged into the pressure steaming tank 3 through the steaming pipe 10 arranged in the lower center of the pressure steaming tank 3. Further inflow to raise the temperature in the tank 3 up to 130 ° C. until the whole becomes hot, and then the out-in injection valve 17 is closed and at the same time the in-out injection valve 14 is opened to apply the rotation shaft 5 in the same manner as above. After steam is introduced into the pressure steaming tank 3 and the temperature inside the tank 3 is sufficiently raised, the steam inflow is stopped and the in-out discharge cock 18 is opened to reduce the pressure in the tank 3 to prepare the pressure steaming tank 3. Complete

Next, as a preparation for the article to be dyed, the winding core 8 mounted on the rotary shaft 5 in the pressure steaming tank 3 is taken out,
After winding 2 to 3 rolls of under cloth such as cotton cloth or non-woven fabric in the air holes 6, suspend the dyed product 7, and after winding it, roll in 2 or 3 more under cloth to complete the preparation of the dyed product 7 and rotate it. The shaft 5 is mounted so as not to rotate and rotate freely, and the sealing lid 2 is closed to prevent distortion by the sealing screw 28 so that steam is leaked and the rotating shaft 5 rotates smoothly. Check in.

When the above-mentioned preparation is completed, first, the drain cock 19 is opened, and at the same time, the solenoid valve 23 of the steam introduction pipe 12 is opened, and further, the in-out injection valve 14 is closed and the out-in injection valve 17 is opened. I will. Then, when the water flows out from the drain cock 19 and the steam comes out, the drain cock 19 is closed so that the steam flows from the out to the in, and the in-out injection valve 14 is slightly opened so that the steam leaks. Total 27 is 1.8-2.1
Adjust the amount of steam to 130 ° C with Kg / dyn.

At this time, the power of the motor 21 is turned on and the winding core 8
, That is, after rotating the article to be dyed 7 and steaming for 10 to 12 minutes after the temperature in the pressure steaming tank 3 reaches 130 ° C., the out-in injection valve 17 is closed, and this time the in-out injection valve is closed. 14 is opened, the temperature in the pressure steaming tank 3 is adjusted to 130 ° C. in the same manner, and the out-in injection valve 17 is slightly opened so that the steam leaks and the steam flows from the in to the out. After steaming for 12 to 12 minutes, steam will flow in for a total of about 25 minutes to complete steaming.

When this steaming is completed, the solenoid valve 23 of the steam introducing pipe 12 is closed, the out-in injection valve 17 and the in-out injection valve 14 are closed, and then the in-out discharge cock 18 is gradually opened to release the steam. Release slowly,
When the material to be dyed 7 is prevented from getting wet with water due to the rapid release of steam and the decompression is completed by opening the drain cock 19 of the heating tank 11, the material to be dyed 7 is taken out and the next soaping process is performed.

[0015]

According to the present invention, the object to be dyed 7 is suspended around the winding core 8 having a large number of ventilation holes 6, and the object to be dyed 7 is rotatable around the center of the pressure steaming tank.
During the steaming of the product, it is constantly rotated to prevent unevenness of steaming, and at the same time, by winding the dyed object 7 around the winding core 8, the tank (equipment) becomes extremely small, and the dyed material 7 wound around the winding core 8 The step of passing steam from the outer side to the inner side (out-in) from the steam pipe 10 to the rotary shaft 5 and the step of passing steam from the inner side to the outer side (in-out) from the rotary shaft 5 into the pressurized steam tank 3 are carried out for a certain period of time. As a result, the coloring of the dye is obtained by a uniform steaming process in cooperation with the rotating mechanism of the material to be dyed. The steam supplied to the pressure steaming tank 3 is heated in the heating tank 11 immediately before the supply. Since it is reheated and is constantly heated by the heater even in the piping process, it is possible to prevent condensation of vapor in the pressure steaming tank 3 and to make the dye after dyeing the dyeing object vivid and evenly develop the color. What is A.

[Brief description of drawings]

FIG. 1 is a schematic vertical sectional view showing the overall configuration of an embodiment of the present invention.

FIG. 2 is a sectional view taken along line AA of FIG.

FIG. 3 is a perspective view of a winding core.

[Explanation of symbols]

 1 Opening 1 2 Sealing Lid 3 Pressurizing Steaming Tank 4 Opening Hole 5 Rotating Shaft 6 Venting Hole 7 Dye 8 Core 9 Steam Inlet / Outlet 10 Steaming Tube 11 Heating Tank 12 Steam Introducing Tube 13 Heater 14 In-Out Injection Valve 15 Out-in discharge cock 16 Rotary joint 17 Out-in injection valve 18 In-out discharge cock 19 Drain cock 20 Pipe heater 21 Motor 22 Reducer 23 Solenoid valve 24 Pressure switch 25 Thermometer 26 Safety valve 27 Pressure gauge 28 Sealing screw 29 Winding core Tsuba

Claims (1)

[Claims] 1. A rotary shaft having a large number of opening holes, which is rotatable, is provided at the center of a pressure steaming tank having a cylindrical shape, one opening of which is capable of high-pressure steaming with a closed lid, and the rotation of the rotating shaft is performed. The shaft has a large number of ventilation holes so that the wound core on which the material to be dyed is suspended can be polymerized so that it can be mounted. Further, a steam introduction and discharge hole is provided in the lower center of the pressure steaming tank. A steam pipe is installed, and the steam introduced from the steam introduction pipe to a separately installed heating tank is reheated with a heater to install an in-out injection valve, an out-in discharge cock and a rotary joint on the rotary shaft side of the pressure steam tank. A high-pressure steaming machine, which is characterized in that it is connected to a steaming pipe provided in the center under the pressure steaming tank through an out-in injection valve from a heating tank.