WO2022011733A1 - Rouleau chaud de type caloduc à gradient à vitesse de rotation élevée et son procédé de traitement - Google Patents

Rouleau chaud de type caloduc à gradient à vitesse de rotation élevée et son procédé de traitement Download PDF

Info

Publication number
WO2022011733A1
WO2022011733A1 PCT/CN2020/103331 CN2020103331W WO2022011733A1 WO 2022011733 A1 WO2022011733 A1 WO 2022011733A1 CN 2020103331 W CN2020103331 W CN 2020103331W WO 2022011733 A1 WO2022011733 A1 WO 2022011733A1
Authority
WO
WIPO (PCT)
Prior art keywords
heat pipe
roller body
roller
gradient
permanent magnet
Prior art date
Application number
PCT/CN2020/103331
Other languages
English (en)
Chinese (zh)
Inventor
周焕民
Original Assignee
无锡中力科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 无锡中力科技有限公司 filed Critical 无锡中力科技有限公司
Publication of WO2022011733A1 publication Critical patent/WO2022011733A1/fr

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/12—Stretch-spinning methods
    • D01D5/16—Stretch-spinning methods using rollers, or like mechanical devices, e.g. snubbing pins
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
    • D01D10/02—Heat treatment

Definitions

  • the invention belongs to the technical field of chemical fiber drawing heat rolls, and in particular relates to a high-speed rotating gradient heat pipe type heat roll and a processing method thereof.
  • the induction heating roller body is the ideal form of heating roller.
  • the heat pipe technology is adopted.
  • the heat source of the induction heating roller is the roller body itself, or for the aluminum alloy roller body, the inner wall will be closely connected with a ring of ferritic stainless steel sleeve structure for induction heating, both of which are direct heating method, its temperature controllability and responsiveness are better than any other indirect heating method of the roller body.
  • the induction coil that generates magnetic lines of force inside the roller body generates an alternating magnetic field after the alternating current is applied, and the induced voltage in the circumferential direction of the roller body generates a current (eddy current), which makes the roller body heat up.
  • the induction coil stops energizing the heating of the roller body also stops at the same time. Therefore, the temperature of the surface of the roll body is always monitored, and the results are fed back to the power supply side to form a simple control loop, so that the temperature of the roll body can be accurately maintained constant.
  • the heat pipe type induction heating roller has heat pipes distributed in the barrel wall, which can be called the "interlayer" space on the barrel wall of the roller body.
  • the heat transfer medium is encapsulated in this small space in a vacuum state, and the interlayer is always filled with the vapor of the medium, and is controlled to reach the saturated vapor pressure corresponding to its temperature. If a part of the surface of the roll body is thermally loaded, the temperature of this part of the roll surface will be lower than that of the rest, and the saturated vapor pressure in its vicinity will also decrease. In this way, the surrounding steam flow will quickly concentrate here, and the heat of vaporization will be released through the condensation of the steam, making it return to the original temperature.
  • the high-speed drafting roller has two characteristics, one is high-speed operation, its linear speed will reach 1000-6000m/min, and the rotational speed of the roller body will reach 1000-10000rpm, so that the centrifugal force will be large; the second is due to the needs of operation,
  • the roller body is connected with the motor shaft, which makes the motor shaft have great stress at the shaft seat, and the weight and length of the roller body are limited.
  • the heat medium liquid in the heat pipe is distributed on the outside of the heat pipe, while the induction heating surface is on the inside of the heat pipe; in addition, the depth of induction heating has a certain limit, which is similar to induction heating.
  • the heating frequency is related, the frequency is high, and the heating depth is shallow.
  • high-frequency heating is generally required, and the depth of high-frequency heating is very limited, generally not exceeding 2.5mm. Therefore, in the process of high-speed rotation, there is still a certain distance between the heating layer and the liquid layer of the heat medium, which can actually be achieved by relying on the heat transfer of the roller body.
  • the heat pipes are distributed parallel to the central axis in the wall of the roller body.
  • the weight of the roller body is basically evenly distributed in the axial direction, but for the motor shaft seat, with the increase of the length of the roller body, the stress on the roller body increases in a square relationship (leverage principle), so , in this way, the diameter and length of the roller body are limited, which affects the optimal setting of process parameters.
  • an improved method is to use a high-speed rotating heat pipe type heat roller and its heat transfer processing method to use an inclined hole heat pipe.
  • One end of the heat roller is closed, and the other end is closed with many heat pipe holes. It is 0.7° ⁇ 1.2°, the root of each heat pipe hole is connected, and the whole is sealed; the length of the heating section is shortened to 30-45% of the length of the roller body. Due to the design of the inclined hole, when running at high speed, the heat medium liquid will flow back to the heating section at the B end of the roller body for heating, and the steam generated after heating diffuses to the A end of the roller body to achieve the purpose of efficient heat transfer, but the slope of the heat pipe It is related to the backflow speed of the heat medium liquid.
  • the degree of friction is limited by the coefficient of friction of the heat pipe wall to the liquid.
  • the tangent value of the critical slope is equal to the friction coefficient of the liquid on the surface of the heat pipe wall.
  • the slope of the heat pipe can be increased or the smoothness of the inner surface of the heat pipe can be increased, which is not conducive to the design of the roller body and the processing technology.
  • the design of the inclined hole is also negatively related to the thermal effect of the roll surface, that is, the heat source for the heat transfer section of the roll body is the diffusion of heat medium vapor, but the angle of the inclined hole makes the heat pipe deflect to the inside of the roll body; In the heating section, the heat pipe is deflected to the outside of the roll body and away from the induction heating surface, and there is a problem that the depth of high-frequency induction heating is insufficient, especially for the heat roll with a longer length. Surfaces will also have a maximum distance of 5-8mm.
  • the heating roller of the prior art has the problems of limited performance, heat transfer efficiency and heat transfer uniformity when used as a high-speed drafting roller in a chemical fiber production process.
  • the present invention provides a high-speed rotating gradient heat pipe type heat roller, which includes: a high-speed permanent magnet motor, a motor shaft, an induction heating mechanism, a roller body and a temperature control unit; wherein the roller body is fixedly connected There is a stainless steel connecting cone sleeve, the motor shaft is connected with the roller body through the stainless steel connecting cone sleeve, the induction heating mechanism is fixed on the connecting seat, the induction heating mechanism is arranged in the inner hole of one end of the roller body, and the roller body is There are several gradient heat pipe holes arranged around the roller body and along the axis of the roller body; the roller body is provided with a heating section and a heat transfer section, and the heating section and the heat transfer section are respectively lower than the gradient heat pipe holes.
  • the slope section corresponds to the high slope section, that is, the high-speed permanent magnet motor drives the motor shaft to rotate to drive the roller body to rotate, and the temperature control unit controls the induction heating mechanism to inductively heat the heating section on the roller body, and passes the gradient heat pipe.
  • the heat medium vapor in the hole conducts heat along the low inclination section to the high inclination section, so as to heat up the heating section and the heat transfer section of the roller body.
  • the gradient heat pipe hole adopts at least two gradients, and the slope of the low-slope section is 0°-0.5°, and the high-slope section is 0.5°-2.5°.
  • the inner diameters of the low-slope section and the high-slope section in the same gradient heat pipe hole are consistent in size and communicate smoothly.
  • the induction heating mechanism includes: a high-frequency induction coil assembly; the high-frequency induction coil assembly is connected to a high-frequency current to generate an alternating magnetic field to heat the roller body.
  • each gradient heat pipe hole is close to the high-speed permanent magnet motor, and one end of each gradient heat pipe hole away from the high-speed permanent magnet motor is communicated in the roller body, and each gradient heat pipe hole is sealed with the roller body by a blocking ring.
  • the high-speed rotating gradient heat pipe type heat roller also includes: an over-temperature protector; the over-temperature protector is installed on the connection seat, and the probe of the over-temperature protector is non-contact with the end face of the roller body; the over-temperature protector The device is suitable for detecting the temperature data of the end surface of the roller body, and controlling the disconnection and alarm of the high frequency induction coil assembly according to the temperature data of the end surface of the roller body.
  • the high-speed rotating gradient heat pipe type heat roller further comprises: a rotary transformer; the rotary transformer is installed on the base of the high-speed permanent magnet motor, and the rotary transformer is electrically connected with the high-speed permanent magnet motor; the rotary transformer is suitable for It is used to adjust the speed accuracy of high-speed permanent magnet motors.
  • the present invention provides a high-speed rotating gradient heat pipe type hot roll processing method, which includes: fixing a stainless steel connecting cone sleeve on the roll body; connecting the motor shaft to the roll body through the stainless steel connecting cone sleeve;
  • the induction heating mechanism is connected with a high-speed permanent magnet motor, and the induction heating mechanism is arranged in the inner hole of one end of the roller body; by opening a number of gradient heat pipe holes in the roller body, which are arranged around the roller body and along the axis of the roller body, so that the One end of each gradient heat pipe hole is close to the high-speed permanent magnet motor, and the end of each gradient heat pipe hole away from the high-speed permanent magnet motor is communicated in the roller body, and each gradient heat pipe hole is sealed as a whole by a blocking ring; An alternating magnetic field is generated to heat the roller body.
  • the low-slope section of the gradient heat pipe hole is drilled from the end close to the high-speed permanent magnet motor, and the high-slope section of the gradient heat pipe hole is drilled from the end far from the high-speed permanent magnet motor, controlled by the electronic indexing head.
  • Guide holes so that the orifices of the low-slope section and the high-slope section are relatively and smoothly connected; the gradient heat pipe holes near the end of the high-speed permanent magnet motor are sealed separately, and the drilling holes at the end of the high-speed permanent magnet motor are machined to make each gradient heat pipe The roots of the holes are connected for overall sealing.
  • the processing method of the high-speed rotating gradient heat pipe type heat roller is suitable for processing the above-mentioned high-speed rotating gradient heat pipe type heat roller.
  • the beneficial effect of the present invention is that, by arranging several gradient heat pipe holes around the roller body and along the axial direction of the roller body, the present invention can be applied to the roller body made of steel and aluminum alloy, can reduce the quality of the entire heat roller, and can appropriately increase the number of rollers.
  • the length of the body or the stress on the bearing is reduced, so that the heat transfer efficiency of the roller body is higher, and the uniformity of the roller surface temperature is achieved.
  • Fig. 1 is the structure diagram of the high-speed rotating gradient heat pipe type heat roller of the present invention
  • Fig. 2 is the structure diagram of the gradient heat pipe hole of the present invention.
  • Fig. 3 is an internal cross-sectional view of the roller body of the present invention.
  • High-speed permanent magnet motor 1 motor shaft 2, stainless steel connection cone sleeve 201, induction heating mechanism 3, connection seat 301, roller body 4, gradient heat pipe hole 5, low slope section 501, high slope section 502, ferritic stainless steel Steel sleeve 6, blocking ring 7, temperature control unit 8, over temperature protector 9, rotary transformer 10, plug 11.
  • FIG. 1 is a structural diagram of the high-speed rotating gradient heat pipe type heat roller of the present invention.
  • this embodiment provides a high-speed rotating gradient heat pipe type heat roller, which includes: a high-speed permanent magnet motor 1, a motor shaft 2, an induction heating mechanism 3, a roller body 4 and a temperature Control unit 8; wherein the roller body 4 is fixedly connected with a stainless steel connection cone sleeve 201, the motor shaft 2 is connected with the roller body 4 through the stainless steel connection cone sleeve 201, and the induction heating mechanism 3 is fixed on the connection seat 301,
  • the induction heating mechanism 3 is arranged in the inner hole of one end of the roller body 4, and the roller body 4 is provided with a number of gradient heat pipe holes 5 which are arranged around the roller body 4 and axially arranged along the roller body 4; 4 is provided with a heating section and a heat transfer section, and the heating section and the heat transfer section correspond to the low gradient section 501 and the high gradient section 502 on the gradient heat pipe hole 5 respectively, that is, the high-speed permanent magnet motor 1 drives the motor shaft.
  • the temperature control unit 8 controls the induction heating mechanism 3 to inductively heat the heating section on the roller body 4, and pass the heat medium vapor in the gradient heat pipe hole 5 along the low slope section 501.
  • the slope section 502 conducts heat, so that the heating section and the heat transfer section of the roller body 4 are heated.
  • the temperature control unit 8 can be, but is not limited to, a temperature transmitter; the temperature transmitter is installed on the base of the high-speed permanent magnet motor, and the temperature transmitter is electrically connected to the induction heating mechanism , the temperature transmitter is suitable for cooperating with the temperature control unit to realize the current frequency adjustment of the induction heating mechanism.
  • the roller body 4 can be made of, but not limited to, steel or aluminum alloy.
  • the roller body 4 made of steel and aluminum alloy can be applied, and the mass of the whole heat roller can be reduced. , the length of the roller body 4 can be appropriately increased or the stress on the bearing can be reduced, so that the heat transfer efficiency of the roller body 4 is higher, and the uniformity of the roller surface temperature is achieved.
  • FIG. 2 is a structural diagram of a gradient heat pipe hole of the present invention.
  • the gradient heat pipe hole 5 adopts at least two gradients, and the slope of the low slope section 501 is 0°-0.5°, preferably 0° °, it is basically arranged horizontally, and the high slope section 502 is 0.5°-2.5°, preferably 1.5°.
  • the inner diameters of the heat pipes of the low-slope section 501 and the high-slope section 502 are consistent in size and communicate smoothly.
  • the induction heating mechanism 3 includes: a high-frequency induction coil assembly; the high-frequency induction coil assembly is connected to a high-frequency current to generate an alternating magnetic field to heat the roller body 4 .
  • the roller body 4 corresponds to the induction heating mechanism 3, and a ferritic stainless steel sleeve 6 is embedded in the induction heating mechanism.
  • the mechanism 3 heats the roll body 4 through a ferritic stainless steel jacket 6 .
  • the induction coil of the high-frequency induction coil assembly cannot be directly heated. Therefore, a ferritic stainless steel sleeve 6 is provided in the heating section corresponding to the aluminum alloy roller body and the induction heating mechanism 3 for heating;
  • the aluminum alloy material has good heat transfer, and the heating section can be appropriately small; the weight of the entire heat roller can also be reduced.
  • the induction heating mechanism 3 can directly heat the roller body 4, and because the heat transfer efficiency of the gradient heat pipe holes 5 is higher, it can reach the surface of the roller. Better uniformity of temperature, which in turn reduces the mass of the entire heat roll.
  • the heating method of the heating section of the roller body 4 is high-frequency electromagnetic heating
  • the heating object is a liquid medium
  • the liquid medium is water or naphthalene, such as deionized water or distilled water.
  • the working temperature is low At 200°C, when the medium is naphthalene, the working temperature is lower than 350°C; and high-frequency electromagnetic heating is used, the power selection is related to the heat dissipation of the roller surface and the initial heating rate.
  • the vacuum degree of the closed cavity of the gradient heat pipe hole 5 must reach below 100Pa before the liquid heat medium can be filled.
  • the low-slope section 501 is at 0 slope, that is, it is horizontal to the roller body 4, and it will not affect the heating and gasification of the heat medium in the heating section.
  • the heat transfer size of the heating section and the heat transfer section can be reduced, the wall thickness of the roll body 4 can also be reduced, thereby reducing the mass of the entire heat roll, and the length of the roll body 4 can be appropriately increased or the stress on the bearing can be reduced , the size parameters of the roller body 4 can be optimized without affecting the use of the high-speed rotating gradient heat-pipe type heat roller, so that the high-speed rotating heat-pipe type heat roller is more reasonable and efficient.
  • the roll body 4 is provided with a ferritic stainless steel jacket 6 as a heating section, and its length is 20%-45% of the length of the roll body 4, preferably 30%.
  • Fig. 3 is an internal cross-sectional view of the roller body of the present invention.
  • each gradient heat pipe hole 5 is close to the high-speed permanent magnet motor 1 , and one end of each gradient heat pipe hole 5 away from the high-speed permanent magnet motor 1 is communicated in the roller body 4 , and passes through the blocking ring. 7. Seal each gradient heat pipe hole 5 and the roller body 4.
  • each gradient heat pipe hole 5 is opened close to the end 1 of the high-speed permanent magnet motor, it is sealed by plugging 11 .
  • the distance from the end of each gradient heat pipe hole 5 away from the high-speed permanent magnet motor 1 and the central axis is small; the distance between the end of each gradient heat pipe hole 5 close to the high-speed permanent magnet motor 1 and the central axis is large; the distance between adjacent gradient heat pipe holes 5 is 6 mm-20mm, preferably 12mm, the wall thickness of the roller body 4 is 15mm-60mm, preferably 35mm, the diameter of the gradient heat pipe hole 5 is 3mm-15mm, preferably 7mm;
  • the central axes are in the same plane.
  • the high-speed rotating gradient heat pipe type heat roller further includes: an over-temperature protector 9; the over-temperature protector 9 is installed on the connection seat 301, and the probe of the over-temperature protector 9 is connected to the roller body 4
  • the end face is non-contact; the over-temperature protector 9 is suitable for detecting the temperature data of the end face of the roller body 4 and controlling the disconnection and alarm of the high frequency induction coil assembly according to the end face temperature data of the roller body 4 .
  • the high-speed rotating gradient heat pipe type heat roller further includes: a rotary transformer 10; the rotary transformer 10 is installed on the base of the high-speed permanent magnet motor 1, and the rotary transformer 10 is connected to the high-speed permanent magnet motor 1 Electrically connected; the resolver 10 is suitable for adjusting the rotational speed accuracy of the high-speed permanent magnet motor 1 .
  • the temperature of the roller body 4 is controlled by whether the induction coil of the high-frequency induction coil assembly is energized or not.
  • the over-temperature protector 9 can realize over-temperature protection and alarm for the roller body 4 .
  • this embodiment provides a high-speed rotating gradient heat pipe type hot roller processing method, which includes: fixing the stainless steel connecting cone 201 on the roll body 4; connecting the motor shaft through the stainless steel connecting cone 201 2 is connected to the roller body 4; the induction heating mechanism 3 is connected to the high-speed permanent magnet motor 1 through the connecting seat 301, and the induction heating mechanism 3 is arranged in the inner hole of one end of the roller body 4;
  • the gradient heat pipe holes 5 are arranged around the roller body 4 and along the axial direction of the roller body 4, so that one end of each gradient heat pipe hole 5 is close to the high-speed permanent magnet motor 1, and one end of each gradient heat pipe hole 5 away from the high-speed permanent magnet motor 1 is on the roller body. 4 are interconnected, and each gradient heat pipe hole 5 is sealed as a whole by the blocking ring 7; the high-frequency current is connected to the induction heating mechanism 3 to generate an alternating magnetic field to heat the roller body 4.
  • the low-slope section 501 of the gradient heat pipe hole 5 is drilled from the end close to the high-speed permanent magnet motor 1
  • the high-slope section 502 of the gradient heat pipe hole 5 is drilled from the end away from the high-speed permanent magnet motor 1 Drilling at the same place, the pilot hole is controlled by the electronic indexing head, so that the orifices of the low-slope section 501 and the high-slope section 502 are opposite and connected smoothly, and the difference between the orifice positions is not more than 0.1mm; and the angles of the orifices are the same, The deviation is not more than 3%; the gradient heat pipe holes 5 near the 1 end of the high-speed permanent magnet motor are individually sealed, and the nozzles at the 1 end away from the high-speed permanent magnet motor are machined to connect the roots of each gradient heat pipe hole 5 for overall sealing.
  • the roller body using aluminum alloy material take an aluminum alloy roller body 4 ⁇ 250 ⁇ 480mm used for polyester FDY process as an example, assuming that 35% of the length of the roller body 4 is used as the heating section, That is, in the low-slope section 501, the ⁇ 6 ⁇ 460mm hole is also punched at an angle of 1° to the center line of the roller. Relative to the central axis of the roller body 4, the distance between the gradient heat pipe hole 5 and the end of the high-speed permanent magnet motor 1 is larger than that of the gradient heat pipe hole 5. The distance away from the first end of the high-speed permanent magnet motor is 5.2mm.
  • the roller body 4 adopts the heat pipe heat transfer method, and the heat medium liquid is basically filled in the heating section.
  • the liquid medium is concentrated in the heating section of the roller body 4, and because the aluminum alloy roller body 4 is used, the heat transfer performance is good, and the length of the high-frequency induction heating coil only needs about 1/3 of the original power frequency coil.
  • the electromagnetic heating system centrally heats the liquid medium, quickly converts the heat generated by the electromagnetic eddy current into the latent heat of vaporization, and exerts the heat pipe effect with maximum efficiency; the inner wall of the vacuum heat pipe of the roller body 4 should be purified and anti-corrosion treated to strictly prevent the occurrence of medium and metal in a high temperature environment.
  • the electrochemical reaction the non-condensable gas is generated and the gas resistance is generated (that is, the vapor pressure and temperature are inconsistent), which affects the thermal transformation of the roller surface and makes the vapor-liquid equilibrium temperature uniformity ineffective.
  • the signal is transmitted to the temperature control system, and then the output information is used to control the work of the high-frequency generating source to meet the requirements of temperature stability; this high-speed rotating gradient heat pipe type heat roller rotates at 1000rpm, and the set temperature is 120°C. It takes 4 minutes to reach the set temperature. After balancing for 4 minutes, the temperature of the roll surface is measured. The temperature difference between the four points is ⁇ 0.4°C (actually, the measurement error).
  • the uniform temperature of the roll surface is the most basic vapor-liquid equilibrium heat of heat pipe heat transfer.
  • the characteristics of the roller; the above-mentioned high-speed rotating gradient heat pipe type heat roller continues to heat up to 180 ° C, and increases to 5000 rpm, which shows the temperature compensation function of the heat pipe effect under the condition of uniform temperature and large heat load, and the measured roller surface temperature deviation is not greater than 1.0°C.
  • the roller body 4 made of steel, taking a steel roller body 4 ⁇ 250 ⁇ 480 mm used in the polyester FDY process as an example, it is assumed that 45% of the length of the roller body 4 is used as the heating section, that is, In the low-slope section 501, the ⁇ 6 ⁇ 460mm hole is also punched at an angle of 1° to the center line of the roller. Relative to the central axis of the roller body 4, the distance between the gradient heat pipe hole 5 and the end of the high-speed permanent magnet motor 1 is farther than the gradient heat pipe hole 5. The distance between the 1 end of the high-speed permanent magnet motor is only 4.4mm larger.
  • the roller body 4 adopts the heat pipe heat transfer method, and the heat medium liquid is basically filled in the heating section.
  • the liquid medium is concentrated in the heating section of the roller.
  • the length of the high-frequency induction heating coil only needs about 45% of the original power frequency coil.
  • the induction electromagnetic heating system focuses on heating the liquid medium and quickly The heat generated by the electromagnetic eddy current is converted into the latent heat of vaporization, and the heat pipe effect is exerted to the maximum efficiency; the inner wall of the vacuum heat pipe of the roller body 4 should be purified and anti-corrosion treated to strictly prevent the electrochemical reaction between the medium and the metal in the high temperature environment.
  • the condensed gas produces air resistance (that is, the vapor pressure and temperature are inconsistent), which affects the thermal transformation of the roll surface, and makes the characteristics of uniform vapor-liquid equilibrium temperature invalid.
  • the output information is used to control the work of the high-frequency generating source to meet the requirements of temperature stability; the high-speed rotating gradient heat pipe type heat roller rotates at 1000rpm, and the set temperature is 120°C, and it only takes 5 minutes from room temperature to reach the set temperature. After balancing for 4 minutes, measure the temperature of the roll surface, the temperature difference between the four points is ⁇ 0.5 °C (actually the measurement error), and the uniform temperature of the roll surface is the most basic feature of the heat pipe heat transfer.
  • the gradient heat pipe type heat roller continues to heat up to 180 °C, and increases the speed to 5000 rpm, which also shows the compensation temperature function of the heat pipe effect under the condition of uniform temperature and large heat load.
  • the measured roll surface temperature deviation is less than 1.2 °C
  • the high-speed rotating gradient heat pipe type heat roller processing method is suitable for processing the high-speed rotating gradient heat pipe type heat roller provided in Example 1.
  • the present invention can be applied to steel and aluminum alloy roll bodies by arranging several gradient heat pipe holes around the roll body and along the axial direction of the roll body, which can reduce the quality of the entire heat roll, and can appropriately increase the roller body’s capacity. Length or reduce the stress on the bearing, so that the heat transfer efficiency of the roll body is higher, and the uniformity of the roll surface temperature is achieved.
  • the terms “installed”, “connected” and “connected” should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection, or It can be connected in one piece; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be internal communication between two components.
  • installed should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection, or It can be connected in one piece; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be internal communication between two components.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Induction Heating (AREA)

Abstract

L'invention concerne un rouleau chaud de type caloduc à gradient à vitesse de rotation élevée et son procédé de traitement, le rouleau chaud comprenant : un moteur à aimant permanent à grande vitesse (1), un arbre à cames (2), un mécanisme de chauffage par induction (3), un corps de rouleau (4) et une unité de régulation de température (8). Une pluralité de trous de caloduc à gradient (5) répartis dans une bague autour de tous les côtés du corps de rouleau (4) et disposés le long de la direction axiale du corps de rouleau (4) sont prévus à l'intérieur du corps de rouleau (4). Le moteur à aimant permanent à grande vitesse (1) commande la rotation de l'arbre à cames (2) afin d'entraîner le corps de rouleau (4) en rotation. Le mécanisme de chauffage par induction (3) effectue un chauffage par induction sur un segment de chauffage sur le corps de rouleau (4), et au moyen d'une vapeur de milieu thermique à l'intérieur des trous de caloduc à gradient (5), de la chaleur est conduite le long d'un segment à faible pente (501) vers un segment à pente élevée (502), de manière à provoquer le chauffage du segment de chauffage et d'un segment de transfert de chaleur du corps de rouleau (4). Au moyen de l'agencement d'une pluralité de trous de caloduc à gradient (5) à l'intérieur du rouleau chaud et de l'utilisation d'un corps de rouleau (4) en acier ou en alliage d'aluminium, la masse globale du rouleau chaud peut être réduite, et la longueur du corps de rouleau (4) peut être augmentée de manière appropriée, ou la contrainte sur un palier peut être réduite, ce qui permet d'augmenter l'efficacité de transfert de chaleur du corps de rouleau (4) et d'obtenir une meilleure uniformité de température sur la surface du rouleau.
PCT/CN2020/103331 2020-07-16 2020-07-21 Rouleau chaud de type caloduc à gradient à vitesse de rotation élevée et son procédé de traitement WO2022011733A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010686156.5 2020-07-16
CN202010686156.5A CN111733468B (zh) 2020-07-16 2020-07-16 一种高速旋转梯度热管式热辊及其加工方法

Publications (1)

Publication Number Publication Date
WO2022011733A1 true WO2022011733A1 (fr) 2022-01-20

Family

ID=72654880

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/103331 WO2022011733A1 (fr) 2020-07-16 2020-07-21 Rouleau chaud de type caloduc à gradient à vitesse de rotation élevée et son procédé de traitement

Country Status (2)

Country Link
CN (1) CN111733468B (fr)
WO (1) WO2022011733A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113638065B (zh) * 2021-09-02 2022-10-14 江苏中杰澳新材料有限公司 热管组件、包括热管组件的异型斜管式热辊及其加工方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2139794A1 (de) * 1971-08-09 1973-02-15 Hoechst Ag Vorrichtungzum verstrecken und auswaschen von nassgesponnenen faeden
JPH10273814A (ja) * 1997-03-31 1998-10-13 Toray Ind Inc 糸条移送ロール
CN101407096A (zh) * 2008-11-21 2009-04-15 天津工业大学 一种加热辊的加热方法及加热辊
CN202107807U (zh) * 2011-06-14 2012-01-11 大连合成纤维研究设计院股份有限公司 纺丝多级牵伸高频电感热辊
CN105155006A (zh) * 2015-11-03 2015-12-16 谈亚琪 高速旋转热管式热辊及其传热加工方法
CN205099800U (zh) * 2015-10-20 2016-03-23 扬州瑞辉化纤制品有限公司 热牵伸辊
CN207219081U (zh) * 2017-05-08 2018-04-10 广州市睿远包装材料科技有限公司 一种金属薄板热覆膜高频感应加热装置

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4252184A (en) * 1980-03-10 1981-02-24 Kimberly-Clark Corporation Control of oil distribution in heated embossing rolls
DE3304076A1 (de) * 1983-02-07 1984-08-09 Schwäbische Hüttenwerke GmbH, 7080 Aalen Walze grosser abmessungen fuer maschinen zur herstellung von endlosem bahnmaterial
EP0158220B1 (fr) * 1984-04-06 1992-12-16 Walzen Irle GmbH Cylindre pour calandre chauffé par un fluide de transfert de chaleur
JPH0665770B2 (ja) * 1986-10-01 1994-08-24 帝人製機株式会社 熱媒入加熱ロ−ラ
FI92733C (fi) * 1990-08-15 1994-12-27 Valmet Paper Machinery Inc Kuumennettava tela
JPH10142985A (ja) * 1996-11-08 1998-05-29 Ricoh Co Ltd 誘導発熱ローラ
JP3923203B2 (ja) * 1998-12-04 2007-05-30 トクデン株式会社 誘導発熱ローラ装置
DE10239559B4 (de) * 2002-08-28 2016-09-29 Shw Casting Technologies Gmbh Walze für die thermomechanische Behandlung eines bahnförmigen Mediums
CN2665148Y (zh) * 2003-09-23 2004-12-22 王信友 高效热辊辊体
JP4070022B2 (ja) * 2003-10-24 2008-04-02 トクデン株式会社 加熱ローラ装置
DE10353288B4 (de) * 2003-11-14 2011-01-05 Shw Casting Technologies Gmbh Temperierbare Walze
JP2005251678A (ja) * 2004-03-08 2005-09-15 Tokuden Co Ltd 誘導発熱ローラ装置
DE102005040621A1 (de) * 2005-08-27 2007-03-01 Voith Patent Gmbh Thermowalze für einen Kalander oder ein Glättwerk
CN202547460U (zh) * 2011-12-29 2012-11-21 北京智创联合科技有限公司 一种热辊
CN106949762B (zh) * 2017-03-20 2019-04-02 连云港鹰游工程技术研究院有限公司 一种热辊轴向传热装置
CN209798172U (zh) * 2018-12-21 2019-12-17 上海金纬化纤机械制造有限公司 一种丙纶蒸汽均热加热辊
CN212335371U (zh) * 2020-07-16 2021-01-12 无锡中力科技有限公司 一种高速旋转梯度热管式热辊

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2139794A1 (de) * 1971-08-09 1973-02-15 Hoechst Ag Vorrichtungzum verstrecken und auswaschen von nassgesponnenen faeden
JPH10273814A (ja) * 1997-03-31 1998-10-13 Toray Ind Inc 糸条移送ロール
CN101407096A (zh) * 2008-11-21 2009-04-15 天津工业大学 一种加热辊的加热方法及加热辊
CN202107807U (zh) * 2011-06-14 2012-01-11 大连合成纤维研究设计院股份有限公司 纺丝多级牵伸高频电感热辊
CN205099800U (zh) * 2015-10-20 2016-03-23 扬州瑞辉化纤制品有限公司 热牵伸辊
CN105155006A (zh) * 2015-11-03 2015-12-16 谈亚琪 高速旋转热管式热辊及其传热加工方法
CN207219081U (zh) * 2017-05-08 2018-04-10 广州市睿远包装材料科技有限公司 一种金属薄板热覆膜高频感应加热装置

Also Published As

Publication number Publication date
CN111733468B (zh) 2024-02-09
CN111733468A (zh) 2020-10-02

Similar Documents

Publication Publication Date Title
CN203888362U (zh) 电磁感应加热烫金辊
WO2022011733A1 (fr) Rouleau chaud de type caloduc à gradient à vitesse de rotation élevée et son procédé de traitement
WO2019109612A1 (fr) Système de refroidissement de ligne d'arbres et son procédé de commande, et ensemble générateur éolien
WO2022011730A1 (fr) Rouleau chaud en alliage d'aluminium à grande vitesse de rotation et son procédé de traitement
CN212335371U (zh) 一种高速旋转梯度热管式热辊
CN105155006B (zh) 高速旋转热管式热辊及其传热加工方法
CN110167224A (zh) 一种稳流电磁加热装置及电磁加热辊
CN212335372U (zh) 一种高速旋转铝合金热辊
CN109489419A (zh) 一种中频感应炉
CN209643000U (zh) 一种电加热辊
KR20030071525A (ko) 펌프 장치
Wang et al. Experimental study on dynamic characteristics of cylindrical horizontal axially rotating heat pipe
KR20050091766A (ko) 흡수식 냉각기용 피드포워드 제어
WO2023030549A1 (fr) Ensemble tuyaux chauffants, rouleau chauffant de type tuyau à inclinaison irrégulière comprenant un ensemble tuyaux chauffants et procédé d'usinage associé
CN104141733A (zh) 一种电磁动态加载装置
US11818825B2 (en) Induction heated roll apparatus
CN210657110U (zh) 一种用于真空镀膜机的高温加热辊装置
CN209217925U (zh) 一种可变气隙永磁场圆弧导管电磁泵
CN208632593U (zh) 一种退火炉用炉辊
CN201473762U (zh) 一种新型结构烫光辊体
CN114054510A (zh) 一种具有辊端散热功能的近等温可加热轧辊及其控制方法
CN208615326U (zh) 一种叠合式滴灌带烫封轮及烫封装置
CN207874893U (zh) 一种受热均匀的加热辊
CN109546841A (zh) 一种可变气隙永磁场圆弧导管电磁泵
CN205420614U (zh) 高速旋转热管式热辊

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20945652

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20945652

Country of ref document: EP

Kind code of ref document: A1