WO2004078450A1 - シート状物の熱処理装置および熱処理方法 - Google Patents
シート状物の熱処理装置および熱処理方法 Download PDFInfo
- Publication number
- WO2004078450A1 WO2004078450A1 PCT/JP2004/002356 JP2004002356W WO2004078450A1 WO 2004078450 A1 WO2004078450 A1 WO 2004078450A1 JP 2004002356 W JP2004002356 W JP 2004002356W WO 2004078450 A1 WO2004078450 A1 WO 2004078450A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- heat treatment
- sheet
- nozzle
- gas
- slit
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
- B29C71/02—Thermal after-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/04—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam
- B29C35/045—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam using gas or flames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/04—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam
- B29C35/06—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam for articles of indefinite length
Definitions
- the present invention relates to a heat treatment apparatus that performs heat treatment by continuously heating or cooling a sheet material.
- the present invention is effectively used in a heat treatment method in which a sheet-like material such as a resin sheet is uniformly heated or cooled in a width direction so that a heat treatment can be continuously performed.
- the velocity of the returning hot air can be made uniform.
- the gas flow varies greatly depending on the gas velocity, gas temperature, and the structure of the device, simply installing a rectifying grid in the reflux space between the adjacent nozzle boxes may cause the width of the resin sheet to vary depending on the operating conditions.
- the heat treatment device has the disadvantage that the temperature distribution of the heat-treated sheet material has the disadvantage of changing the temperature distribution of the resin sheet, and has achieved a stable and uniform temperature in the width direction of the resin sheet with a simpler method. Is desired. Disclosure of the invention
- an object of the present invention is to provide a heat treatment apparatus in which the heat-treated sheet-like material has less temperature unevenness in the width direction and has less energy loss.
- the heat-treated sheet-like material is provided by providing a closing portion for closing each of the gaps on both sides between the side wall of the heat-treating chamber and the side wall of the nozzle box in the heat-treating chamber.
- the present invention provides at least a heat treatment chamber having sheet-like material entrances on opposite outer wall portions at both ends, a gas introduction portion for introducing a heat medium gas into the heat treatment chamber, and exhausting the gas from the heat treatment chamber.
- a gas discharge unit for performing the gas introduction, and conveying means for moving the sheet along a linear path in the heat treatment chamber connecting between the entrance and exit of the sheet.
- the part is a running direction of the sheet-like material.
- a slit nozzle that blows out gas in a slit shape in a direction substantially perpendicular to the sheet-like material, and is disposed so that the longitudinal direction is substantially perpendicular to the running direction of the sheet-like material, and the length of the longitudinal direction is larger than the width of the sheet-like material.
- the nozzle box blows out a gas having a uniformity within a gas velocity of ⁇ 25% in the longitudinal direction of the nozzle
- the heat treatment chamber is formed of a side wall of the heat treatment chamber and the nozzle box.
- a heat treatment apparatus having a closing portion extending between both outer wall portions of both ends of the heat treatment chamber, for closing a gap on both sides between the side walls.
- the gas is preferably air adjusted to a predetermined temperature.
- the heat treatment apparatus of the present invention has a rectifying grid in the horn nozzle box that has an opening ratio of 70% or more, an opening pitch P of 5 to 50 mm, and a height Z that satisfies P ⁇ Z10 XP. It is preferable to install. ⁇ Furthermore, it is preferable that the rectifying grid is installed such that the shortest distance Y to the nozzle is 0.5 XP ⁇ Y ⁇ 10 XP.
- the gas introduction unit has a plurality of nozzle boxes, and the nozzle boxes are arranged so as to have a gap through which gas passes between the nozzle boxes. Is preferred.
- the nozzle box satisfies h ⁇ 40 XD, where D is a slit width of the slit nozzle, and h is a distance from the tip of the slit nozzle to the sheet-like material. It is preferable that they are arranged as follows.
- the nozzle box includes N slit nozzles, and N is 2 or more and 29 or less, and is arranged so as to satisfy NXD ⁇ h ⁇ 30 XD. Is preferred.
- the nozzle angle which is a direction from the slit nozzle toward the sheet-like object side and which is a parallel angle between the direction of the slit nozzle and the traveling direction of the sheet-like object, is 30 degrees. It is preferable to have a slit nozzle provided so as to be in the range of 90 ° to 90 °.
- the present invention uses the heat treatment apparatus described above, This is a heat treatment method for a sheet-like material in which a gas having a gas velocity of 1 to 20 Om_s is blown to heat-treat the sheet-like material.
- the gas introduction unit includes a nozzle box on both upper and lower surfaces of the sheet-like material.
- the sheet-like material is a sheet-like resin sandwiched between a pair of belts.
- the sheet-like material is a sheet-like resin sandwiched between a pair of belts.
- FIG. 1 is a view schematically showing a vertical section of a heat treatment apparatus according to one embodiment of the present invention.
- FIG. 2 is a diagram schematically showing a plan view of the heat treatment apparatus of FIG.
- FIG. 3 is a view schematically showing a longitudinal section of a heat treatment apparatus according to another embodiment of the present invention.
- FIG. 4 is a diagram schematically showing a plan view of the heat treatment apparatus of FIG.
- FIG. 5 is a diagram schematically showing a side view of an example of a nozzle box that can be used in the present invention.
- FIG. 6 is a diagram schematically showing a front view of the nozzle box of FIG.
- FIG. 7 is an enlarged schematic view of the periphery of the nozzle of FIG.
- FIG. 8 is a diagram schematically showing the nozzle of FIG. 7 further enlarged.
- FIG. 9 is a diagram showing an example of a rectifying grid that can be used as the rectifying grid in the present invention.
- FIG. 10 is a diagram showing the outline of the vicinity of the flow straightening grid of the nozzle box of FIG. 6 further enlarged.
- FIG. 1 is a diagram for explaining an example of an embodiment of a heat treatment apparatus of the present invention
- FIG. 2 shows an outline of a longitudinal section of the heat treatment apparatus of the present invention
- FIG. 2 shows an outline of a plan view of the heat treatment apparatus.
- the sheet-like material 7 shown in FIG. 1 or FIG. 2 is not particularly limited as long as it has a sheet-like shape, and can be heat-treated using the heat treatment apparatus 1 of the present invention.
- the sheet 7 include a sheet made of a resin material, a sheet made of a metal material, a sheet made of a glass material, a sheet made of a ceramic material, paper and fiber. Examples include sheet materials made of materials. Further, a sheet-like resin sandwiched between metal belts or a combination of the sheet-like materials may be used.
- the belt is an endless belt used in a continuous casting method using a known endless belt, and may be a part of a sheet-like material sandwiched between the belts in the method.
- the sheet-like material which is referred to as a sheet-like material even if it is a thin film, can be processed intermittently or continuously in the heat treatment chamber 2.
- the heat treatment of the sheet 7 is performed intermittently, one or a plurality of entrances and exits of the sheet is provided on the outer wall portions 2a and 2b opposite to each other in the heat treatment chamber 2, and the sheet entrance 8a is provided. Can be transferred into the heat treatment chamber 2 and left in the heat treatment chamber 2, and after a certain time, the sheet 7 can be taken out from the sheet outlet 8b and subjected to heat treatment. .
- the entrances 8a and 8b of the sheet-like material 7 are provided on the opposite outer wall portions 2a and 2b of the heat treatment chamber 2 along a linear path connecting them.
- the heat treatment can be performed by running the sheet 7 in parallel with the nozzle box 3.
- the traveling direction of the sheet-like material 7 in the heat treatment chamber 2 may be referred to as the MD direction
- the direction perpendicular to the traveling direction of the sheet-like material 7 may be referred to as the TD direction.
- Means for transporting the sheet-like material is not particularly limited, and a known transport means such as a roller type or a belt conveyor type can be used.
- the gas in the present invention is used as a heat medium for performing heat treatment by heating or cooling the sheet-like material 7, and is gaseous under heat treatment conditions.
- a suitable gas may be selected according to the properties of the sheet-like material to be heat-treated, the purpose of the heat treatment, the heat treatment conditions, and the like.
- the gas that can be used in the present invention include air, inert gases such as nitrogen, and gases such as combustion exhaust gas and heated steam, and usually air is preferred.
- the gas is heated at a normal temperature, heated by a heater or the like, or cooled to a predetermined temperature by a cooler or the like before use.
- Examples of the heat treatment using a normal temperature gas which can be performed by the heat treatment apparatus of the present invention include, for example, cooling after a stretching step of a resin film, cooling of a resin sheet, cooling of a metal structure sheet, and cooling of a glass sheet. Cooling etc. can be mentioned.
- Examples of the heat treatment using a heated gas that can be performed by the heat treatment apparatus of the present invention include, for example, heating in a stretching step of a resin film, heating in an annealing step of a resin sheet, and heating of a glass sheet. And the like. Specifically, for example, when a polypropylene film is stretched, it is necessary to perform the treatment at a temperature higher than the glass transition and lower than the melting temperature, so that the process is performed in a temperature range of about 130 to 170 ° C. .
- examples of the heat treatment using a cooled gas that can be performed by the heat treatment apparatus of the present invention include, for example, cooling of a resin sheet, cooling of electronic components, and the like. Specifically, for example, when the electronic substrate is cooled by circulating an inert gas such as nitrogen, the gas is cooled to about 0 ° C. to room temperature before use.
- the velocity of the gas blown from the nozzle provided in the nozzle box at the tip of the nozzle is determined by the speed of the sheet-like material to be heat treated. Selected by type. Normally, the gas velocity is adjusted in the range of 1-20 OmZs. For example, when the electronic substrate is cooled by using the heat treatment apparatus of the present invention, 1 to 20 mZs, and when the metal structure sheet is cooled by a normal temperature gas, 2 to 20 mZs. The heat treatment is performed at a gas velocity of about 1 to 50 m / s when heating the resin sheet at 0 mZ s.
- a resin foil having a thickness of about 300 ⁇ is used.
- the resin sheet When the film is heat-treated (heated with a gas at 50 to 200 ° C), the resin sheet may be deformed by the blown-out gas, so that it is usually l to 20 m / s, preferably 2 to 15 / s, more preferably a gas velocity of 3 to 1 Om / s.
- a resin sheet having a thickness of about 0.3 to 20 mm is subjected to annealing treatment with a gas at 100 to 200 ° C or cooling using a gas at room temperature, it is usually 1 to 100.
- a gas velocity of m / 7 s preferably 3-60 m / s, more preferably 5-50 m / s is selected.
- it is usually 20 to 200 m / s, preferably 30 to 150 m / s, More preferably, a gas velocity of 50 to 100 m / s is selected.
- the gas velocity in the heat treatment apparatus of the present invention may be adjusted by using a known method, for example, by providing a damper in the flow path of the gas introduction unit and changing the degree of opening thereof.
- the gas velocity in the heat-treating apparatus of the present invention must be uniform within 25% of soil in the longitudinal direction of the nozzle. Preferably, it has a uniformity of ⁇ 20%, more preferably ⁇ 15%.
- the uniformity of the gas velocity refers to a deviation from the average gas velocity in the longitudinal direction of the nozzle.
- the longitudinal direction of the nozzle is equally divided into 10 or more points, which are used as gas velocity measurement points. It can be determined by averaging the gas velocities at the measurement points and calculating the maximum and minimum deviations from the average velocity.
- the uniformity of gas velocity in the heat treatment apparatus of the present invention is described in “Mechanical Engineering Handbook, New Edition, 6th Edition”, edited by The Japan Society of Mechanical Engineers, published by Maruzen Co., Ltd., July 30, 1930, ⁇ ⁇ A5-85.
- 86 may be achieved, for example, a wire mesh, a perforated plate, and a rectifying grid may be provided in the nozzle box to achieve desired uniformity.
- the rectifying lattice having an opening ratio of 70% or more, preferably an opening ratio of 80% or more, more preferably an opening ratio of 90% or more has an opening pitch P of 5 to 5%.
- the porosity when the porosity is set to 70% or more, the pressure loss is reduced, and the energy port can be reduced.
- the opening pitch P when the opening pitch P is set to 5 mm or more and the height Z is set to 10 XP or less, the pressure loss is reduced and the energy loss can be reduced.
- the opening pitch P is set to 50 mm or less and the height Z is set to P or more, a sufficient rectifying effect can be obtained, and desired gas uniformity can be achieved.
- the shortest distance Y between the rectifying grid and the nozzle 9 should be 0.5 XP ⁇ Y ⁇ 10XP, preferably 2 ⁇ 8 ⁇ , more preferably 3 ⁇ 6 ⁇ .
- ⁇ is set to 0.5 ⁇ or more, the gas entering the nozzle is not regulated by the rectifying grid, and the gas flow is kept uniform. If ⁇ is set to 10 X ⁇ or less, the rectified gas is not disturbed again and There is no variation in speed.
- the shape of the rectifying grating is not particularly limited, and for example, a known shape such as a circle, a triangle, a quadrangle, and a hexagon as shown in FIG. 9 can be used.
- the uniformity of the gas velocity is within 25%, the temperature unevenness can be reduced in the heat treatment of the sheet-like material, and the desired uniform heat treatment in the width direction can be achieved.
- the uniformity of the gas velocity in the present invention was calculated by measuring the gas velocity at the position of the tip of the slit nozzle in a state where there is no object to be heated.
- the gas introduction part of the heat treatment apparatus of the present invention has one or more nozzle boxes at least above or below the sheet.
- a nozzle box may be provided only on the upper side of the sheet-like material, a nozzle box may be provided only on the lower side, or a nozzle box may be provided on both upper and lower sides as shown in FIG. You may.
- a gas inlet having nozzle boxes on both the upper and lower sides of the sheet is preferable because the heat efficiency can be easily improved.
- the nozzle boxes when a gas inlet having a plurality of nozzle boxes is employed above or below the sheet-like material, the nozzle boxes may be evenly arranged or the like.
- a suitable gap is provided between the chisel boxes so that the gas exhaust through the gap between the nozzle boxes in the heat treatment chamber forms a uniform flow.
- the shape of the nozzle box 3 that can be used in the present invention may have any shape as long as it has a slit nozzle, and a well-known nozzle box is selected from those known in the art. Can be used.
- the gas nozzle disclosed in the above-mentioned Japanese Patent Application Laid-Open No. 2000-514746 can be used as the nozzle box 3 of the heat treatment apparatus of the present invention.
- FIGS. 5 and 6 show examples of other nozzle boxes applicable to the present invention.
- reference numeral 10 denotes members used for improving the uniformity of the gas velocity, such as a wire mesh, a perforated plate, and a rectifying grid.
- the heat treatment apparatus of the present invention can achieve efficient heat transfer.
- the number N of slit nozzles installed in the nozzle box is two or more, the flow of gas emitted from the nozzles is affected by the gas blown out from other nozzles and flowing parallel to the sheet.
- the nozzle box of the heat treatment apparatus of the present invention is preferably arranged so as to satisfy h ⁇ 40XD. Further, the nozzle box of the heat treatment apparatus of the present invention is preferably arranged so as to satisfy h ⁇ 30 ⁇ D, and more preferably to satisfy h ⁇ 20 ⁇ D.
- the distance h from the tip of the slit nozzle to the sheet-like object is determined by the number of slit nozzles N installed in the nozzle box and the number of nozzles. If NXD is less than the product of the slit width D and NXD, that is, if h ⁇ NXD, even if h is reduced, the propagation near the surface of the sheet-like material will be Since the thickness of the thermal boundary layer does not become thinner and the heat transfer efficiency does not improve accordingly, it is preferable to arrange the nozzle boxes so that h satisfies h ⁇ NXD. Further, it is more preferable that h ⁇ 1.5 XNXD.
- the nozzle box By disposing the nozzle box in this way, the product does not deform due to gas, and the tip of the nozzle and the sheet-like material do not come into contact, and there is no product defect.
- a nozzle provided in a nozzle box that can be used in the present invention blows out gas from a nozzle tip in a slit shape.
- the nozzle is usually arranged so that its longitudinal direction is substantially orthogonal to the MD direction of the heat treatment apparatus, that is, the direction in which the sheet-like material to be heat treated travels in the heat treatment chamber.
- FIG. 7 is a diagram showing an outline of an embodiment of the arrangement of the slit nozzles provided in the nozzle box of the heat treatment apparatus of the present invention.
- FIG. 8 is a further enlarged view of the outline of the nozzle of FIG. FIG.
- the nozzle angle 0 of the slit nozzle 9 (the acute angle between the slit nozzle and the direction parallel to the direction of the slit nozzle and the traveling direction of the sheet 7) is particularly limited. However, it is generally preferred that the temperature be in the range of 30 ° to 90 ° for efficient heat treatment. A more preferable nozzle angle 0 is 40 ° to 90 °. The most preferred nozzle angle 0 is between 40 ° and 80 °.
- the length of the slit nozzle provided in the nozzle box of the present invention in the longitudinal direction is not particularly limited as long as the object of the present invention can be achieved, but it is desirable to make the temperature of the sheet in the TD direction uniform. From the viewpoint of ease, it is generally preferable that the length be equal to or longer than the length necessary to cover the entire width in the TD direction of the sheet-like material to be heat-treated.
- the slit width D of the slit nozzle is not particularly limited as long as the object of the present invention can be achieved. An appropriate slit width may be set according to the shape of the sheet-like object to be heat-treated and the purpose of the heat treatment.
- the heat treatment apparatus of the present invention extends between both outer wall portions 2a and 2b of the heat treatment chamber 2 to close gaps on both sides between both side walls 2c and 2d of the heat treatment chamber and the side wall of the nozzle box, respectively. It has the closed portions 6a and 6b provided. If the gas inlet has nozzle boxes on both the upper and lower sides of the sheet, at least between the side walls of the upper or lower nozzle box and both side walls 2 c and 2 d of the heat treatment chamber Close the gaps on both sides of the heat treatment chamber It has at least one pair of closing portions 6a, 6b extending between the outer wall portions 2a, 2b at both ends. Since it is easy to make the temperature in the TD direction of the sheet-like material uniform, it is usual to provide a pair of closed parts 6a and 6b on both sides of both the upper and lower nozzle boxes. Is more preferred.
- the structure of the closing portion is not particularly limited, and the space from the heat treatment chamber side walls 2c and 2d to the side wall of the nozzle box opposed thereto, for example, both end outer wall portions 2 of the heat treatment chamber. It may have a structure closed by a flat plate having a thickness of several mm and a length between a and 2b.
- the gap between the gap and the nozzle box Gas flow to both sides of the sheet is suppressed, and uniform heat treatment can be performed in the width direction of the sheet.
- the closing portions are provided on both sides of the sheet-like material as in the apparatus described in JP-A-2002-698332, the height of the sheet-like material and the height of the closing portion are usually increased. This causes a gas flow in the width direction, making it difficult to perform a uniform heat treatment.
- the flow direction is changed, and the gas flows parallel to the surface of the sheet-like material.
- the gap between the nozzle box 3 and the end outer wall surface of the heat treatment apparatus is divided into a plurality of nozzle boxes and a gas inlet provided with a gap between these nozzle boxes.
- the gap between the nozzle box and the gap between the nozzle box 3 and the outer wall surfaces at both ends of the heat treatment chamber rises or descends and is discharged through the gas discharge section 5.
- the gas discharge section is the upper and lower outer wall sections 2e, At least one of 2 f, heat treatment room side It can be installed on at least one of the walls 2c and 2d or at least one of the outer walls 2a and 2b on both ends of the heat treatment chamber. Further, in order to make the flow of the exhaust gas more uniform, a plurality of gas discharge portions may be provided. For example, 2 e
- the gas discharge portions may be provided on the outer wall portions 2a and 2b at both ends of the heat treatment chamber, and may be provided at any of the above positions if there is no limit .
- the gas discharged from the gas discharge section may be discarded to the outside, but usually it is collected and re-heated, adjusted to a predetermined temperature, sent to the gas inlet section again using a fan, etc. Used. At this time, supplying the gas from the outside and mixing it with the recovered gas and supplying it to the gas introduction section, or releasing part of the recovered gas to the outside does not affect the substance of the present invention at all. Absent.
- a plurality of heat treatment apparatuses of the present invention can be installed side by side.
- the supply of gas to the gas introduction unit of the heat treatment apparatus may be performed using the same line or individual lines.
- individual control may be performed between the respective heat treatment chambers.
- individual control may be performed for each nozzle box.
- the heat treatment apparatus of the present invention may be of an open system, but is preferably of a semi-sealed system in consideration of energy efficiency. Further, in order to prevent gas from leaking from the entrance and exit of the sheet-like material provided on the opposing outer end portions of the sheet and to prevent outside air from entering the heat treatment room, the sheet-like object is disposed outside the heat treatment chamber at the opposing outer end portions.
- a seal chamber having an entrance may be further provided.
- the configuration of the seal chamber is not particularly limited, and an appropriate one may be selected from known ones. Further, for example, a known technique such as the sealing structure described in the above-mentioned Japanese Patent Application Laid-Open No. 5-106964 may be used to enhance the sealing property of the sheet-like material entrance.
- the gas flow velocity and the uniformity of the gas velocity in the longitudinal direction of the nozzle were evaluated by the following method.
- the gas flow rate was measured by using a thermal anemometer (manufactured by Nippon Kanomax Co., Ltd., anemomaster anemometer MO DEL 6162; trade name) in the longitudinal direction of the nozzle every 100 mm in the nozzle tip direction. The measurement was performed by bringing the probe close to the part.
- a thermal anemometer manufactured by Nippon Kanomax Co., Ltd., anemomaster anemometer MO DEL 6162; trade name
- the uniformity of the gas velocity in the longitudinal direction of the nozzle is determined by measuring the gas flow velocity at 30 points at equal intervals in the longitudinal direction of the nozzle, and using the average value of the gas velocity as a reference. It was calculated from the maximum and minimum values of the deviation.
- the value of the average heat transfer coefficient U of the present example was calculated from the measured values of the inlet temperature and the outlet temperature of the resin sheet surface of the present example based on the following equation.
- the resin sheet temperature at the device outlet is calculated based on Equation 1 under the boundary conditions of Equations 2 to 4.
- the assumed value of the average heat transfer coefficient U that makes the difference between the calculated value and the measured value 0.5 ° C or less was defined as the average heat transfer coefficient of the present example.
- the temperature distribution above and below the resin sheet of the object to be heated was symmetric with respect to the center position in the thickness direction. dT d 2 T
- ⁇ ⁇ : surface of the object to be heated
- FIGS. 1-10 The outline of the heat treatment apparatus used in this example is shown in FIGS.
- the gas inlet of the heat treatment apparatus used in this embodiment has nozzle boxes 3 of the same shape on each of the upper and lower sides of the sheet-like material 7.
- the main body of the nozzle box 3 has a rectangular parallelepiped shape with a length in the MD direction of 140 mm, a width in the TD direction of 320 mm, and a height of 800 mm.
- the 100th slit is located 100 mm from the front end, and the 100th slit is located 100 mm from the rear end, and has 10 equally spaced slit nozzles.
- the slit nozzle has a longitudinal length of 3200 mm, a slit width D of 3 mm, a distance h from the tip of the slit nozzle to the sheet-like material of 40 mni, and a longitudinal direction of the nozzle of the sheet-like material.
- a nozzle angle that is arranged in a direction perpendicular to the running direction and is an acute angle between the direction from the slit nozzle toward the sheet-like object and parallel to the direction of the slit nozzle and the running direction of the sheet-like object Is set to be 60 °.
- the length of the front end outer wall 2a to the rear end outer wall 2b is 2000 mm, and the length between the side wall 2c and the side wall 2d is 400 mm.
- the distance from each of the side walls 2 c and 2 d of the chamber to the opposing nozzle box side wall is 400 mm, respectively, and from each of the outer walls 2 a and 2 b at both ends of the heat treatment chamber, Distance to Are 300 mm each.
- the gaps between the upper and lower nozzle box side walls facing the upper and lower nozzle box sides from the side walls 2c and 2d of the heat treatment chamber are respectively set using blocking plates 6a and 6b with a width of 40 Omm and a length of 200 Omm. Closed.
- the obstruction plate provided between the side wall of the upper nozzle box and the side wall of the heat treatment chamber should be positioned 400 mm from the upper end of the main body of the nozzle box.
- the closing plate provided between the side walls of the nozzle box was placed 400 mm from the lower end of the main body of the nozzle box.
- a rectifying grid which is a regular hexagonal grid with a pitch P of 2 Omm, a length Z of 50 mm, and a porosity of 94.2%, was installed in the nozzle box so that the distance Y from the nozzle was 5 Omm.
- This nozzle box The uniformity of the gas velocity in the longitudinal direction of the nozzle was 8%.
- a 300 Omm wide, 5 mm thick resin (PMMA) sheet sandwiched between Endless S US Benoret with a width of 310 Omm and thickness of 1.5 mm is placed between the upper nozzle box and the lower nozzle box. It was run and heat-treated along a linear path between the sheet-like entrances and exits located in the center of the space.
- a resin sheet having a uniform temperature of 30 ° C is supplied to the sheet inlet 8a at a speed of 2m / min, and the sheet outlet 8b is positioned at 10 equally divided positions in the width direction of the resin sheet.
- a contact-type thermocouple was provided to measure the surface temperature of the endless US belt, and the temperature deviation was calculated from the deviation from the average value.
- the surface temperature average value of the endless SUS belt at the exit of the tree sheet was 46 ° C, and the temperature unevenness in the width direction was within ⁇ 1 ° C.
- the value of the average heat transfer coefficient U at this time was 4 OW / (m 2 ⁇ K).
- Example 2 The outline of the heat treatment apparatus used in this example is shown in FIGS.
- the average outlet temperature of the resin sheet was 45 ° C, and the temperature unevenness in the width direction was within ⁇ 0.5 ° C.
- the value of the average heat transfer coefficient U at this time was 37 W / (m 2 -K).
- Example 1 Example 1 was repeated except that the sheet was replaced with a 150 ⁇ thick PMMA film instead of a 5 mm thick resin sheet sandwiched between 1.5 mm thick S US belts, and the supply speed was 2 Om / min. The heat treatment was performed in the same manner as described above.
- the average outlet temperature of the PMMA film is 87. C, and the temperature unevenness in the width direction was within ⁇ 0.5 ° C.
- the value of the average heat transfer coefficient U at this time was 40 W / (m 2 ⁇ K).
- the heat treatment was performed in the same manner as in Example 1 except that the distance h from the tip of the slit nozzle to the sheet-like material was set to 2 Omm.
- the average exit temperature of the resin sheet was 47 ° C, and the temperature unevenness in the width direction was within ⁇ 1.0 ° C.
- the value of the average heat transfer coefficient U at this time was 42 W / (m 2 ⁇ K).
- h (2 Omm) ⁇ 40 D (120 mm).
- h (2 Omm) was smaller than NXD (3 Omm) ⁇ 30 XD (90 mm).
- Example 2 Except for using a nozzle box with the nozzle angle of the slit nozzle set to 20 °, Heat treatment was performed in the same manner as in Example 1.
- the uniformity of the gas velocity in this nozzle box in the longitudinal direction of the nozzle was ⁇ 7%.
- the average outlet temperature of the resin sheet was 40 ° C, and the temperature unevenness in the width direction was within ⁇ 1.0 ° C.
- the value of the average heat transfer coefficient U in this case was 22W / (m 2 'K) .
- the heat treatment was performed in the same manner as in Example 1 except that the distance h from the tip of the slit nozzle to the sheet-like material was set to 15 Omm.
- the average outlet temperature of the resin sheet was 35 ° C, and the temperature unevenness in the width direction was within ⁇ 1.0 ° C.
- the value of the average heat transfer coefficient U at this time was 12 W / (m 2 ⁇ K).
- the surface temperature average value of the endless SUS belt at the exit of the resin sheet was 46 ° C, and the temperature unevenness in the width direction was within ⁇ 1.5 ° C.
- the value of the average heat transfer coefficient U at this time was 4 OW / (m 2 ⁇ K).
- the heat treatment was performed in the same manner as in Example 1 except that the closing plates 6a and 6b were not attached to the heat treatment chamber.
- the average outlet temperature of the resin sheet was 45 ° C, and the temperature unevenness in the width direction was ⁇ 3.0 ° C.
- the value of the average heat transfer coefficient U at this time was 37 W / (m 2 ⁇ K).
- the heat treatment was performed in the same manner as in Example 2 except that the closing plates 6a and 6b were not attached to the heat treatment chamber.
- the average outlet temperature of the resin sheet is 44 ° C, and the temperature in the width direction Are ⁇ 2.5. It became C.
- the value of the average heat transfer coefficient U was 34 WZ (m 2 ⁇ K).
- the heat treatment was performed in the same manner as in Example 1 except that the rectifying grid 10 was not attached to the nozzle box.
- the uniformity of the gas velocity in this nozzle box in the longitudinal direction of the nozzle was 30%.
- the average value of the outlet temperature of the resin sheet was 46 ° C, and the temperature unevenness in the width direction was 3.0 ° C on the soil.
- the value of the average heat transfer coefficient U was 4 OW / (m 2 'K).
- the use of the heat treatment apparatus of the present invention enables heat treatment with almost no temperature unevenness in the width direction of the sheet material, and is industrially useful.
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Furnace Details (AREA)
- Tunnel Furnaces (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005503017A JP4352047B2 (ja) | 2003-03-04 | 2004-02-27 | シート状物の熱処理装置および熱処理方法 |
US10/547,554 US7268323B2 (en) | 2003-03-04 | 2004-02-27 | Heat treating apparatus and heat treating method for sheet-like article |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003057362 | 2003-03-04 | ||
JP2003-57362 | 2003-03-04 | ||
JP2003069880 | 2003-03-14 | ||
JP2003-69880 | 2003-03-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004078450A1 true WO2004078450A1 (ja) | 2004-09-16 |
Family
ID=32964886
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/002356 WO2004078450A1 (ja) | 2003-03-04 | 2004-02-27 | シート状物の熱処理装置および熱処理方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7268323B2 (ja) |
JP (1) | JP4352047B2 (ja) |
WO (1) | WO2004078450A1 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017161140A (ja) * | 2016-03-09 | 2017-09-14 | トヨタ自動車株式会社 | 熱処理装置 |
JP2019142065A (ja) * | 2018-02-19 | 2019-08-29 | トヨタ自動車株式会社 | ワークの製造方法 |
CN112277210A (zh) * | 2020-09-24 | 2021-01-29 | 浙江绿能体育产业股份有限公司 | 一种连续化橡胶硫化系统 |
CN113955539A (zh) * | 2021-09-27 | 2022-01-21 | 湖南泽坤包装科技有限公司 | 包装印刷熟化设备 |
JP7121212B1 (ja) | 2022-03-15 | 2022-08-17 | 株式会社ノリタケカンパニーリミテド | 樹脂フィルム熱処理装置および樹脂フィルムの熱処理方法 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0512184D0 (en) * | 2005-06-15 | 2005-07-20 | Rolls Royce Plc | Method and apparatus for the treatment of a component |
JP4527670B2 (ja) * | 2006-01-25 | 2010-08-18 | 東京エレクトロン株式会社 | 加熱処理装置、加熱処理方法、制御プログラムおよびコンピュータ読取可能な記憶媒体 |
JP2007271137A (ja) * | 2006-03-30 | 2007-10-18 | Fujifilm Corp | 塗布膜の乾燥方法及び装置並びに光学フィルムの製造方法 |
IT1404007B1 (it) * | 2009-02-27 | 2013-11-08 | Garattoni Dario Di Righetti Irene | Forno per la stabilizzazione di tessuti in pvc "cristal" denominato speedy cris. |
JP5777558B2 (ja) * | 2012-04-20 | 2015-09-09 | ユニ・チャーム株式会社 | 不織布の嵩を回復させる方法及び装置 |
JP5753884B2 (ja) * | 2013-10-18 | 2015-07-22 | ユニ・チャーム株式会社 | 吸収性物品の製造装置、及び製造方法 |
JP5707467B2 (ja) * | 2013-10-18 | 2015-04-30 | ユニ・チャーム株式会社 | 吸収性物品の製造装置、及び製造装置の改造方法 |
JP5728552B2 (ja) * | 2013-10-18 | 2015-06-03 | ユニ・チャーム株式会社 | 不織布の嵩回復装置、及び不織布の嵩回復方法 |
JP5728555B2 (ja) * | 2013-10-18 | 2015-06-03 | ユニ・チャーム株式会社 | 不織布の嵩回復装置、及び嵩回復方法 |
JP6402839B2 (ja) * | 2016-03-29 | 2018-10-10 | 新日鐵住金株式会社 | 液体除去装置及び液体除去方法 |
IT201700039863A1 (it) * | 2017-04-11 | 2018-10-11 | Technoplants S R L | Modulo, impianto e metodo per il trattamento di un tessuto non tessuto per l'ottenimento di un tessuto non tessuto volumizzato |
JP7377780B2 (ja) * | 2020-08-12 | 2023-11-10 | 日本碍子株式会社 | 熱処理炉 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001091162A (ja) * | 1999-09-20 | 2001-04-06 | Hirano Tecseed Co Ltd | 熱処理装置 |
JP2002069832A (ja) * | 2000-08-30 | 2002-03-08 | Inoue Kinzoku Kogyo Co Ltd | 乾燥装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2848820A (en) * | 1952-10-08 | 1958-08-26 | Svenska Flaektfabriken Ab | Method and apparatus for supporting and conveying web-like material |
US4779357A (en) * | 1986-08-01 | 1988-10-25 | Lindauer Dornier Gesellschaft Mbh | Apparatus for blowing a treatment medium onto a longitudinally moving web |
FR2610851B2 (fr) * | 1987-02-17 | 1990-12-14 | Dornier Gmbh Lindauer | Dispositif pour projeter un fluide de traitement sur une bande de matiere defilant longitudinalement |
JPH04363580A (ja) | 1991-06-07 | 1992-12-16 | Hitachi Chem Co Ltd | ウェブ材料処理装置 |
JPH087025B2 (ja) | 1991-10-15 | 1996-01-29 | 井上金属工業株式会社 | 乾燥機におけるシート通路口のシール構造 |
US5481327A (en) * | 1995-02-16 | 1996-01-02 | Eastman Kodak Company | Film drying apparatus with uniform flow air tubes |
JP2001054746A (ja) | 1999-08-20 | 2001-02-27 | Mitsubishi Heavy Ind Ltd | ガスノズル |
-
2004
- 2004-02-27 JP JP2005503017A patent/JP4352047B2/ja not_active Expired - Lifetime
- 2004-02-27 US US10/547,554 patent/US7268323B2/en not_active Expired - Fee Related
- 2004-02-27 WO PCT/JP2004/002356 patent/WO2004078450A1/ja active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001091162A (ja) * | 1999-09-20 | 2001-04-06 | Hirano Tecseed Co Ltd | 熱処理装置 |
JP2002069832A (ja) * | 2000-08-30 | 2002-03-08 | Inoue Kinzoku Kogyo Co Ltd | 乾燥装置 |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017161140A (ja) * | 2016-03-09 | 2017-09-14 | トヨタ自動車株式会社 | 熱処理装置 |
JP2019142065A (ja) * | 2018-02-19 | 2019-08-29 | トヨタ自動車株式会社 | ワークの製造方法 |
JP7115673B2 (ja) | 2018-02-19 | 2022-08-09 | トヨタ自動車株式会社 | ワークの製造方法 |
CN112277210A (zh) * | 2020-09-24 | 2021-01-29 | 浙江绿能体育产业股份有限公司 | 一种连续化橡胶硫化系统 |
CN113955539A (zh) * | 2021-09-27 | 2022-01-21 | 湖南泽坤包装科技有限公司 | 包装印刷熟化设备 |
CN113955539B (zh) * | 2021-09-27 | 2022-06-17 | 湖南泽坤包装科技有限公司 | 包装印刷熟化设备 |
JP7121212B1 (ja) | 2022-03-15 | 2022-08-17 | 株式会社ノリタケカンパニーリミテド | 樹脂フィルム熱処理装置および樹脂フィルムの熱処理方法 |
JP2023135029A (ja) * | 2022-03-15 | 2023-09-28 | 株式会社ノリタケカンパニーリミテド | 樹脂フィルム熱処理装置および樹脂フィルムの熱処理方法 |
Also Published As
Publication number | Publication date |
---|---|
JP4352047B2 (ja) | 2009-10-28 |
JPWO2004078450A1 (ja) | 2006-06-08 |
US20060157468A1 (en) | 2006-07-20 |
US7268323B2 (en) | 2007-09-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2004078450A1 (ja) | シート状物の熱処理装置および熱処理方法 | |
JP4962494B2 (ja) | エア噴出ノズルおよびそれを用いたテンターオーブン | |
US4573402A (en) | Caliper control system and method | |
KR100645152B1 (ko) | 가스분사 냉각장치 | |
JP5470472B2 (ja) | 通気ノズル及び通気ノズルを設けたプラスチックフィルム延伸装置 | |
BRPI0702832B1 (pt) | método de resfriamento de chapas de aço | |
JP2007320276A (ja) | テンターオーブン | |
JP7020402B2 (ja) | 気流制御装置および延伸フィルムの製造方法 | |
EP3018238A1 (en) | Horizontal heat treatment device and method for producing carbon fibers using horizontal heat treatment device | |
CN100396464C (zh) | 片状物的热处理装置及热处理方法 | |
WO2014156977A1 (ja) | テンターオーブンおよび熱可塑性樹脂フィルムの製造方法 | |
JP5261415B2 (ja) | 横延伸装置及び横延伸方法 | |
JP6394010B2 (ja) | テンターオーブン、及びそれを用いた熱可塑性樹脂フィルムの製造方法 | |
KR100816350B1 (ko) | 열처리 장치 | |
JP2008267794A (ja) | 熱処理炉および熱処理物の製造方法 | |
JP5446653B2 (ja) | 熱処理装置 | |
JP6295760B2 (ja) | テンターオーブンおよび熱可塑性樹脂フィルムの製造方法 | |
JPH05296663A (ja) | 加熱装置 | |
EP3725494B1 (en) | Film manufacturing device | |
JP4413487B2 (ja) | 炭素繊維製造用耐炎化装置 | |
JPH07138657A (ja) | 連続的に通走する金属帯材を熱処理する方法および装置 | |
WO2021220545A1 (ja) | 帯状体の処理状態シミュレーション方法 | |
JP2008213470A (ja) | シート状物の加工装置 | |
JP2014208463A (ja) | テンターオーブンおよび熱可塑性樹脂フィルムの製造方法 | |
JP4111087B2 (ja) | 熱処理装置のガス供給方法およびセラミック電子部品の製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 2005503017 Country of ref document: JP |
|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
ENP | Entry into the national phase |
Ref document number: 2006157468 Country of ref document: US Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 10547554 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 20048058153 Country of ref document: CN |
|
122 | Ep: pct application non-entry in european phase | ||
WWP | Wipo information: published in national office |
Ref document number: 10547554 Country of ref document: US |