KR20220157555A - Apparatus for hot air heat treatment of yarn for generating turbulence - Google Patents

Abstract

The present invention relates to a device for heat treatment of yarn with hot air for generating turbulence which heats a heat medium supplied into a closed chamber and heat-treats yarn wound around a bobbin by using forced convection of the heated heat medium. The device for heat treatment of yarn with hot air for generating turbulence comprises: a chamber body having a sealed space formed therein; a bobbin hanger provided inside the chamber body to mount the bobbin on which the yarn for heat treatment is wound; a heat medium supply pipe provided to supply the heat medium for heat-treating the yarn with hot air to the inside of the chamber body; and an internal heater provided inside the chamber body to heat the heat medium supplied from the heat medium supply pipe. Accordingly, by equalizing the degree of exposure of the heat medium to the yarn which varies depending on a position and wound thickness of the yarn wound on the bobbin, heat treatment yield reduction of the yarn can be prevented while maintaining the wound thickness of the yarn.

Description

Apparatus for hot air heat treatment of yarn for generating turbulence}

The present invention relates to a yarn hot air heat treatment apparatus for generating turbulence, and more particularly, to heat and supply a heating medium supplied into the chamber so that turbulence is generated throughout the inside of the sealed chamber, and heat treatment is performed regardless of the position where the bobbin is mounted. It relates to a yarn hot air heat treatment apparatus for generating turbulence that can be performed uniformly.

In general, thermotropic liquid crystal polymer (TLCP) fibers such as liquid crystal polyester fibers have high strength, moisture resistance, chemical resistance, and cut-resistance. Due to this, the TLCP fibers are used as materials such as marine materials, industrial safety gloves, ropes, and anti-knives.

For example, in Patent Document 1 below, liquid crystal polyester fiber is a polymer composed of rigid molecular chains, and in melt spinning, the molecular chains are highly oriented in the axial direction of the fiber and further subjected to solid phase polymerization, among fibers obtained by melt spinning. is disclosed for obtaining the highest strength and elastic modulus. In addition, it is known that the liquid crystal polyester has improved heat resistance and dimensional stability because its molecular weight and melting point are increased by solid-state polymerization.

In this way, high strength, high modulus of elasticity, excellent heat resistance and thermal dimensional stability are expressed by performing solid phase polymerization on the liquid crystal polyester fiber. Here, the solid-state polymerization reaction is generally performed under a high temperature in the vicinity of the melting point, and for this reason, fusion between yarns tends to occur. Therefore, it is an important technical point in the production of liquid crystal polyester fibers to provide a solid polymerization emulsion for the purpose of suppressing fibrillation and deterioration of yarn properties caused by fusion.

The crystallinity of the liquid crystal polyester fiber is increased through a heat treatment process at a high temperature after melt spinning, thereby improving properties such as strength, moisture resistance, chemical resistance and incision resistance of the yarn.

Patent Document 1 also discloses that high-temperature heat treatment is performed after solid state polymerization in order to increase the abrasion resistance of fibers. However, Patent Document 1 suggests radiant heating using a block or plate heater during the heat treatment process of yarn. In the case of this radiant heating, not only does it take a long time to uniformize the temperature inside the heating chamber, but also the heat treatment efficiency depends on the location of the yarn. Since this is different, there is a problem in that yarns wound on a plurality of bobbins cannot be heat treated at the same time.

In addition, Patent Document 2 below discloses a technique of improving the straight strength retention of a suture by applying a heated dry gas to the suture and heat-treating the suture. That is, Patent Document 2 below relates to a method for drying and heat-treating an absorbable surgical suture in which suture yarn is uniformly wound around a drum, mounted in a heat treatment machine, rotated, and heated by blowing hot dry air or inert gas thereto. Disclosed are an outer box to block external air, a drum for winding a suture thread, and a support for mounting the drum.

In addition, in Patent Document 2 below, a dry gas inlet means installed at the top of the outer box and capable of applying dry air or inert gas at 90 to 130 degrees to the suture wound around the drum and installed at the bottom of the outer box to An exhaust port located on the opposite side of the installation of the dry gas inlet means is disclosed.

However, in Patent Document 2, the dry gas inlet means for applying heated dry gas is installed at the upper end of the outer box and the exhaust port is installed at the lower end of the outer box, so that warm air rises and cool air fills the empty space. Considering the principle of the downward convection phenomenon, there is a problem in that heat treatment efficiency is lowered and a plurality of yarns cannot be heat treated simultaneously.

In order to solve this problem, Patent Document 2 has a motor device for rotating a support so that the suture can be heat-treated evenly, but this causes a problem in that the configuration of the device becomes complicated, and a plurality of yarns (in particular, a drying gas inlet means and In the case of a multi-layer structure of the support between the exhaust vents), there is still a problem that cannot be heat treated at the same time.

Republic of Korea Patent Registration No. 10-1647414 (Announced on August 10, 2016) Republic of Korea Patent Registration No. 10-0141998 (published on March 27, 1997)

An object of the present invention is to provide a yarn hot air heat treatment apparatus for generating turbulence to prevent non-uniformity in heat treatment caused by a temperature gradient according to a position in a space inside a chamber when a heat medium is initially supplied into the chamber.

Another object of the present invention is to provide a yarn hot air heat treatment apparatus for generating turbulence that prevents contamination of equipment and yarn due to foreign substances generated during heat treatment of yarn.

Another object of the present invention is to generate turbulence that can solve the problem of deterioration in heat treatment uniformity of yarn wound on a bobbin because the degree of exposure to a heating medium varies depending on the position and winding thickness of yarn wound in the radial direction of the bobbin. It is to provide a yarn hot air heat treatment apparatus.

In order to achieve this technical problem, the yarn hot air heat treatment apparatus for generating turbulence according to the present invention includes a chamber body having a sealed space therein, a bobbin hanger provided inside the chamber body to hold a bobbin wound with yarn for heat treatment, and the above A heat medium supply pipe provided to supply a heat medium for hot air heat treatment of yarn to the inside of the chamber body and an internal heater provided inside the chamber body to heat the heat medium supplied from the heat medium supply pipe.

In addition, the present invention provides a pre-heater provided on one side of the outer side of the chamber body to heat the heating medium in advance before being supplied to the inside of the chamber body in order to reduce the temperature gradient inside the chamber body generated at the beginning of supply of the heating medium; It is provided to have a sealed supply space on one side of the outer side of the chamber body, and further includes a heat medium supply unit having a plurality of through-holes passing through the inside of the bobbin hanger.

Preferably, the bobbin hanger has a pipe shape with a hollow inside so that the heat medium heated through the preheater can be supplied, and the heat medium heated through the preheater is formed on the outer circumferential surface of the bobbin hanger through the heat medium supply unit. A plurality of hanging apertures ejected into the chamber body are formed.

Preferably, a plurality of hanging spacers are formed on the outer circumferential surface of the bobbin hanging to maintain a constant space apart from the bobbin being mounted. In addition, an exhaust port for discharging air or heat medium inside the chamber body to the outside is further provided on one side of the chamber body, and an exhaust fan for forcibly discharging the heat medium inside the chamber body to the outside is provided at the exhaust port.

Preferably, the present invention measures the supply air temperature of the heating medium supplied to the inside of the chamber body and the exhaust temperature of the heating medium discharged through the exhaust port using a temperature sensor, and determines the difference between the measured supply air temperature and the exhaust temperature. A control unit controlling an operating speed of the exhaust fan is further included.

Preferably, the present invention further includes a diaphragm dividing the inner space of the chamber body into a heating medium heating space for heating the heat medium by the internal heater and a heat treatment space for heat treating the yarn mounted on the bobbin hanger by the heated heat medium. And, in the diaphragm, a plurality of diaphragm through-holes having regular intervals and sizes are formed so that the heat medium heated in the heat medium heating space can be uniformly supplied to yarns mounted on each bobbin hanger located in the heat treatment space.

As described above, the yarn hot air heat treatment apparatus for generating turbulence according to the present invention generates turbulence inside the chamber to prevent non-uniformity in heat treatment caused by the temperature gradient according to the position of the internal space of the chamber, Regardless, there is an effect that the strength of the yarn can be heat treated uniformly.

In addition, the yarn hot air heat treatment apparatus for generating turbulence of the present invention has an effect of preventing equipment and yarn from being contaminated by foreign substances by removing foreign substances generated during heat treatment of the yarn through the discharge of the heating medium through the exhaust port.

In addition, the yarn hot air heat treatment apparatus for generating turbulence of the present invention uniformizes the degree of exposure of the heating medium to the yarn, which varies depending on the position and winding thickness of the yarn wound on the bobbin, thereby preventing the yield of heat treatment from deterioration while maintaining the winding thickness of the yarn. There are effects that can be done.

1 is an external perspective view of a yarn hot air heat treatment apparatus for generating turbulence according to an embodiment of the present invention.
2 is a configuration diagram showing a bobbin according to an embodiment of the present invention.
3 is a AA cross-sectional view of FIG. 1 .
Figure 4 is a BB cross-sectional view of Figure 1;
FIG. 5 is a view showing details of part “a” of FIG. 4 .
6 is a control block diagram for maintaining a constant temperature inside the chamber body in the yarn hot air heat treatment apparatus for generating turbulence according to the present invention.
7 is a view for explaining a flow state of a heating medium in a chamber according to an embodiment of the present invention.
8 is a view for explaining a flow state of a heat medium between a bobbin and a bobbin hanger according to an embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings, embodiments of the present invention will be described in detail so that those skilled in the art can easily carry out the present invention. However, the present invention may be implemented in many different forms and is not limited to the embodiments described herein. And in order to clearly explain the present invention in the drawings, parts irrelevant to the description are omitted, and similar reference numerals are attached to similar parts throughout the specification.

Throughout the specification, when a certain component is said to "include", it means that it may further include other components without excluding other components unless otherwise stated. In addition, the term "control unit" described in the specification refers to a unit that processes at least one function or operation, which may be implemented as hardware, software, or a combination of hardware and software.

Hereinafter, the present invention will be described in detail by describing preferred embodiments of the present invention with reference to the accompanying drawings.

Like reference numerals in each figure indicate like elements.

1 is an external perspective view of a yarn hot air heat treatment apparatus 10 for generating turbulence according to an embodiment of the present invention, and FIG. 2 is a configuration diagram showing a bobbin 300 according to an embodiment of the present invention. In addition, FIG. 3 shows a cross-sectional view A-A of FIG. 1, FIG. 4 shows a cross-sectional view B-B of FIG. 1, and FIG.

As shown in FIGS. 1 and 2 , the yarn hot air heat treatment apparatus 10 for generating turbulence according to an embodiment of the present invention heats a room-temperature heat medium supplied into the chamber body 100 and winds it around the bobbin 300. By supplying the yarn 310, the yarn 310 wound around the bobbin 300 is heat-treated by forced convection of the heating medium. At this time, as the heating medium, an inert gas or nitrogen having a low water content is preferable in order to heat-treat the yarn 310 with hot air.

In addition, as shown in FIG. 2, a plurality of bobbin through-holes 301 are formed on the outer circumferential surface of the bobbin 300 according to the present invention. At this time, the bobbin 300 is preferably made of a metal material to prevent deformation from the heat of the heated heating medium.

In the present invention, when the heat treatment of the yarn 310 is performed, the heated heating medium can be supplied to the yarn 310 from the inner surface of the bobbin 300 through the bobbin through hole 301 formed on the outer circumferential surface of the bobbin 300.

That is, when the heat treatment of the yarn 310 is performed, the heated heat medium sends hot air toward the yarn 310 from the inner surface of the bobbin 300 through the separation space between the bobbin 300 and the bobbin hanger 110, so that the bobbin 300 ) It is possible to simultaneously perform heat treatment on the inside as well as the outside of the yarn 310 wound around.

Through this heat treatment process, the strength and modulus of elasticity of the yarn 310 are increased, and heat resistance and chemical resistance are improved. At this time, the heat treatment temperature range of the yarn 310 is preferably performed at 170 to 320 ° C. for 4 to 30 hours, but is not limited thereto, and the material of the yarn 310, the yarn 310 wound around the bobbin 300 It can be changed according to the amount of

As shown in FIGS. 1, 3, and 4, the yarn hot air heat treatment apparatus 10 for generating turbulence according to the present invention includes a bobbin hanger 110 provided in the chamber body 100, a heating medium supply pipe 120, and an internal heater. 130, an exhaust port 150 provided at an upper end of the chamber body 100, a pre-heater 200 provided at one side of the chamber body 100, and a heating medium supply unit 220.

Preferably, the chamber body 100 is sealed to prevent outside air from entering and has a heat dissipation structure so that heat is not lost from the heated heat medium inside the chamber body 100 to the outside.

In addition, on the front surface of the chamber body 100, as shown in FIG. 1, there is a door 103 that can be opened and closed to mount or collect the bobbin 300 on which the yarn 310 is wound on the bobbin hanger 110. provided In addition, a handle 104 that can be gripped to facilitate opening and closing of the door 103 is provided on one side of the door 103 .

In addition, the bobbin hanger 110 is provided inside the chamber body 100 to mount the bobbin 300 on which the yarn 310 for heat treatment is wound. That is, the bobbin hanger 110 protrudes in the direction toward the door 103 from the opposite side wall of the door 103 as shown in FIG. 4 and is provided in a horizontal state on the bottom surface.

In addition, although FIG. 3 shows a structure in which the bobbin hanger 110 is provided in three stages and three columns, it is not limited thereto and may be provided in four stages or four or more columns depending on the size of the chamber body 100. On the other hand, the bobbin hanger 110 is preferably made of a metal material to prevent deformation from the heat of the heated heating medium.

In addition, as shown in FIGS. 4 and 5 , the bobbin hanger 110 has a pipe shape with a hollow inside so that a heating medium heated through the preheater 200 can be supplied. In addition, on the outer circumferential surface of the bobbin hanger 110, the heating medium heated through the preheater 200 is ejected to be supplied to the yarn 310 from the inner surface of the bobbin 300 through the inside of the hollow bobbin hanger 110. A plurality of hanger through holes 112 are formed.

At this time, the plurality of bobbin through-holes 301 formed on the outer circumferential surface of the bobbin 300 is the heat medium supplied through the hanger through-holes 112 when heat treatment of the yarn 310 is performed. It is preferable to be configured to correspond to the hanger through hole 112 so that it can be smoothly supplied to the inner surface.

In addition, as shown in FIGS. 3 to 5 on the outer circumferential surface of the bobbin hanger 110, a plurality of hanger spacers 111 are formed to uniformly space the space between the bobbin 300 and the bobbin hanger 110 to be mounted. do. That is, the hanger spacer 111 is the bobbin 300 and the bobbin hanger 110 so that hot air is uniformly discharged through the heat medium from the inner surface of the bobbin 300 toward the yarn 310 when the heat treatment of the yarn 310 is performed. keep the separation space uniform.

The hanger spacer 111 may be provided with a plurality of blades formed at regular intervals along the circumferential direction of the outer circumferential surface of the bobbin hanger 110. For example, in Figure 3, there is provided a hanging spacer 111 formed of three blades at intervals of 120 degrees. In addition, FIG. 4 shows that the bobbin hanger 110 and the hanger spacer 111 are integrally formed.

However, the configuration and shape of the hanging spacer 111 is not limited thereto, and may be implemented in various different forms. For example, the hanger spacer 111 may be composed of four or more blades formed at equal intervals, or may be composed of a plurality of comb teeth formed along the outer circumferential surface of the bobbin hanger 110.

In addition, the hanger spacer 111 may be detachably configured with the bobbin hanger 110 on the outer circumferential surface of the bobbin hanger 110. At this time, the hanger spacer 111 is provided at various heights of different heights, and the hanger spacer 111 corresponding to the height of the yarn 310 wound around the bobbin 300 is installed on the outer circumferential surface of the bobbin hanger 110. Thus, the separation space between the bobbin 300 and the bobbin hanger 110 can be adjusted.

As shown in FIGS. 3 and 4 , the heat medium supply pipe 120 is provided to supply a heat medium for performing hot air heat treatment on the yarn 310 to the heat medium heating space 102 . In addition, the internal heater 130 may heat the heat medium (inert gas or nitrogen) supplied from the heat medium supply pipe 120 .

At this time, the heat medium supply pipe 120 and the internal heater 130 are provided in the heat medium heating space 102 isolated from the heat treatment space 101 by the diaphragm 140 . That is, the internal heater 130 may be provided at the bottom of the chamber body 100 in a zigzag shape, and the supply port of the heating medium supply pipe 120 may be provided toward the top of the internal heater 130 .

In addition, the inner space of the chamber body 100 is separated into a heat treatment space 101 and a heat medium heating space 102 by a diaphragm 140 . As shown in FIG. 4 , such a diaphragm 140 may be provided to maintain a predetermined distance from the door 103 to prevent damage caused by opening and closing of the door 103 .

In the heat medium heating space 102, the heat medium is heated by the internal heater 130. In addition, the bobbin hanger 110 is provided in the heat treatment space 101, and heat treatment of the yarn 310 is performed through the heat medium heated in the heat medium heating space 102. At this time, in the diaphragm 140, a plurality of diaphragm through-holes having regular intervals and sizes so that the heat medium heated in the heat medium heating space 102 can be uniformly supplied to each bobbin hanger 110 located in the heat treatment space 101 ( 141) is provided.

In addition, as shown in FIG. 4 , the preheater 200 supplies the heating medium to the chamber body 100 through the heating medium supply pipe 120 to minimize the temperature gradient within the chamber generated at the initial stage of supplying the heating medium for heat treatment. Heat the heat medium beforehand.

As shown in FIG. 4, the heat medium supply unit 220 is provided with a sealed supply space 230 on one side of the outer side of the chamber body 100, and a bobbin hanger 110 is provided on the inner wall of the heat medium supply unit 220. A plurality of through-holes passing through the inside of the are formed.

In addition, a first insertion hole 221 into which a supply pipe 210 connected to an external heating medium supply mechanism is inserted is provided on the opposite side wall of the inner wall, and a preheater 200 is mounted around the supply pipe 210. In addition, a second insertion port 222 into which the heating medium supply pipe 120 is inserted is provided below the heating medium supply unit 220 . At this time, the heating medium supply unit 220 is preferably provided on the rear surface of the chamber body 100 as shown in FIG. 4 .

The heat medium preheated by the preheater 200 is supplied to the heat medium supply unit 220 through the first insertion hole 221, and a portion of the heat medium supplied to the heat medium supply unit 220 passes through the heat medium supply pipe 120. After being supplied to the heating medium heating space 102 through the heat medium heating space 102, it is heated again using the internal heater 130. In addition, a portion of the heating medium supplied to the heating medium supply unit 220 is supplied to the inside of the bobbin hanger 110 through the plurality of through holes, and through the plurality of hanger through holes 112, the plurality of bobbin through holes 301 and the heat treatment space (101).

Therefore, the pre-heater 200 can minimize the temperature gradient in the chamber generated when the heat medium not yet heated in the heat medium heating space 102 is supplied to the heat treatment space 101 at the initial stage of supplying the heat medium for heat treatment. That is, the present invention can prevent non-uniform heat treatment of the yarn 310 in which the heat treatment of the yarn 310 is not uniformly performed due to the temperature gradient according to the position of the inner space of the chamber when the heating medium is supplied. In addition, since the heat medium heated through the preheater 200 is supplied to the heat treatment space 101 through the plurality of hanger through holes 112, turbulence is generated inside the heat treatment space 101 so that the bobbin 300 is mounted. The uniformity of heat treatment as a whole can be improved regardless of the position. In addition, the pre-heater 200 may also be controlled to a preset temperature by the control unit 400 .

As described above, the yarn hot air heat treatment apparatus 10 for generating turbulence according to an embodiment of the present invention minimizes the temperature gradient in the chamber through the uniform flow of the heat medium heated in the heat medium heating space 102 shown in FIG. And, it is possible to secure the uniformity of the yarn 310 heat treatment.

As shown in FIGS. 1 and 4 , the exhaust port 150 is provided at an upper end of the chamber body 100 to discharge heated air or heat medium inside the chamber body 100 to the outside of the chamber body 100 . Foreign substances evaporated during the heat treatment of the yarn 310 are discharged together through the exhaust port 150 through the external discharge of the heated air or heat medium. In addition, a collection pipe for collecting foreign substances and heat medium discharged to prevent environmental pollution may be provided in the exhaust port 150 . In addition, a filter for clean discharge to the outside may be provided in the collection pipe.

As shown in FIG. 4 , an exhaust fan 151 driven under the control of the control unit 400 and forcibly discharging heated air or heat medium inside the chamber body 100 to the outside is provided in the exhaust port 150 . That is, the heated air or heat medium inside the chamber body 100 is forcibly discharged to the outside by the driving of the exhaust fan 151, and as a result, forced convection of the heat medium within the chamber body 100 occurs.

6 is a control block diagram for maintaining a constant temperature inside the chamber body 100 in the yarn hot air heat treatment apparatus 10 for generating turbulence according to the present invention. As shown in FIG. 6 , the controller 400 receives measurement information from the first temperature sensor 410 and the second temperature sensor 420 and controls the operating speed of the exhaust fan 151 based on the received measurement information. Thus, the discharge speed of air or heat medium discharged from the chamber body 100 can be adjusted.

That is, the control unit 400 uses the first temperature sensor 410 and the second temperature sensor 420 as detection sensors to determine the supply temperature of the heat medium supplied to the heat treatment space 101 and the heat medium discharged through the exhaust port 150. The exhaust temperature of is measured, and the operation speed of the exhaust fan 151 is controlled according to the difference between the measured supply air temperature and exhaust temperature.

For example, a first temperature sensor 410 may be installed on one side of the diaphragm 140 inside the chamber body 100 to measure the supply air temperature of the heating medium. Preferably, the first temperature sensor 410 for measuring the supply air temperature is installed in the through-hole 141 of the diaphragm. In addition, the second temperature sensor 420 for measuring the exhaust temperature of the heating medium is installed on one side of the exhaust port 150.

The control unit 400 measures the supply air temperature and the exhaust temperature of the heating medium using the first temperature sensor 410 and the second temperature sensor 420, and when the difference between the measured supply air temperature and the exhaust temperature is large, the exhaust fan ( 151) to reduce the discharge speed of air or heat medium. In addition, when the difference between the measured supply air temperature and the exhaust temperature is small, the operation speed of the exhaust fan 151 is increased, and the removal speed of foreign substances can be increased by increasing the discharge speed of air or heat medium inside the chamber body 100. have.

In this case, it is preferable to stop (Off) the operation of the exhaust fan 151 when both the supply air temperature and the exhaust temperature are equal to or less than a preset heat treatment temperature.

Also, as shown in FIG. 6 , the controller 400 may heat the heating medium by controlling the internal heater 130 or the pre-heater 200 to a preset temperature in order to adjust the supply air temperature of the heating medium.

That is, when the temperature in the heat medium heating space 102 is equal to or less than a preset temperature, the control unit 400 may increase the temperature of the heat medium by increasing the heating state of the internal heater 130 .

Due to this, the present invention can improve the heat treatment uniformity of the yarn 310 and increase the heat treatment yield. In addition, the present invention can prevent equipment and yarn 310 from being contaminated through the discharge of foreign substances using the exhaust port 150 .

As described above, the flow state of the heat medium inside the yarn hot air heat treatment apparatus 10 for generating turbulence according to the present invention will be described with reference to FIGS. 7 and 8 .

7 is a view for explaining a flow state of a heat medium in a chamber according to an embodiment of the present invention, and FIG. 8 is a view for explaining a flow state of a heat medium between a bobbin 300 and a bobbin hanger 110 according to an embodiment of the present invention. it is a drawing

As shown in FIG. 7, the heat medium heated by using the internal heater 130 in the heat medium heating space 102 is uniformly supplied to the heat treatment space 101 through the diaphragm through-holes 141 having regular intervals and sizes, and at the same time The heat medium is supplied to the heat treatment space 101 through a plurality of through-holes provided in the heating medium supply unit 220 and through-holes 112 of the bobbin hanger 110.

In the present invention, before supplying the heat medium to the chamber body 100, the heat medium is heated in advance using the pre-heater 200, and the supply air temperature of the heat medium supplied to the heat treatment space 101 and the heat medium discharged through the exhaust port 150 By controlling the operating speed of the exhaust fan 151 according to the difference in exhaust temperature, forced convection of the heated heating medium is generated as shown in FIG. 7 to minimize the temperature gradient in the chamber, and uniform heat treatment of the yarn 310 is possible.

In addition, as shown in FIG. 8, the present invention sends hot air from the inner surface of the bobbin 300 toward the yarn 310 through the space between the bobbin 300 and the bobbin hanger 110 through the space between the heated heating element and the bobbin. It can be seen that the heat treatment of the inside as well as the outside of the yarn 310 wound around 300 is performed simultaneously.

In addition, the present invention allows the heating medium to smoothly flow into the yarn 310 wound around the bobbin 300 through the plurality of bobbin through-holes 301 formed on the outer circumferential surface of the bobbin 300, so that the bobbin 300 Internal heat treatment efficiency of the wound yarn 310 may be increased.

Although the preferred embodiments of the present invention have been described above, the present invention is not limited to the above embodiments, and can be easily changed from the embodiments of the present invention by those skilled in the art to which the present invention belongs, so that the same It includes all changes within the scope recognized as appropriate.

10: Yarn hot air heat treatment device for generating turbulence
100: chamber body 101: heat treatment space
102: heating medium heating space 103: door
104: handle 110: bobbin hook
111: hanging spacer 112: hanging hole
120: heat medium supply pipe 130: internal heater
140: diaphragm 141: diaphragm through hole
150: exhaust port 151: exhaust fan
152: exhaust hole 200: pre-heater
210: supply pipe 220: heat medium supply unit
221: first insertion port 222: second insertion port
230: supply space 300: bobbin
301: bobbin through hole 310: yarn
400: controller 410: first temperature sensor
420: second temperature sensor

Claims (6)

A chamber body having a sealed space formed therein;
a bobbin hanger provided inside the chamber body to mount the bobbin on which the yarn for heat treatment is wound;
a heat medium supply pipe provided to supply a heat medium for subjecting the yarn to hot air heat treatment to the inside of the chamber body;
an internal heater provided inside the chamber body to heat the heating medium supplied from the heating medium supply pipe;
A pre-heater provided on one outer side of the chamber body to pre-heat the heating medium before being supplied into the chamber body in order to reduce the temperature gradient inside the chamber body generated at the initial supply of the heating medium; and
A yarn hot air heat treatment apparatus for generating turbulence comprising a heat medium supply unit provided with a supply space sealed at one outer side of the chamber body and having a plurality of through holes penetrating the inside of the bobbin hanger.
In paragraph 1,
The bobbin hanger is configured in a pipe shape having a hollow inside so that the heat medium heated through the preheater can be supplied, and the heat medium heated through the preheater is supplied to the inside of the chamber body through the heat medium supply part on the outer circumferential surface of the bobbin hanger. Yarn hot air heat treatment apparatus for generating turbulence, characterized in that a plurality of hanging through holes are formed.
In paragraph 2,
Yarn hot air heat treatment apparatus for generating turbulence, characterized in that a plurality of hanging spacers are formed on the outer circumferential surface of the bobbin hanger to maintain a constant distance from the bobbin to be mounted.
In paragraph 2,
An exhaust port for discharging air or heat medium inside the chamber body to the outside is further provided on one side of the chamber body,
Yarn hot air heat treatment apparatus for generating turbulence, characterized in that the exhaust port is provided with an exhaust fan for forcibly discharging the heat medium inside the chamber body to the outside.
In paragraph 4,
The supply air temperature of the heating medium supplied to the inside of the chamber body and the exhaust temperature of the heating medium discharged through the exhaust port are measured using a temperature sensor, and the operation speed of the exhaust fan is determined according to the difference between the measured supply air temperature and the exhaust temperature. Yarn hot air heat treatment apparatus for generating turbulence further comprising a control unit for controlling.
In paragraph 2,
Further comprising a diaphragm dividing the space inside the chamber body into a heat medium heating space for heating the heat medium by the internal heater and a heat treatment space for heat treating the yarn mounted on the bobbin hanger by the heated heat medium,
Yarn for generating turbulence, characterized in that the diaphragm has a plurality of diaphragm through-holes having regular intervals and sizes so that the heat medium heated in the heat medium heating space can be uniformly supplied to the yarn mounted on each bobbin hanger located in the heat treatment space. Hot air heat treatment device.

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