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WO2017050200A1 - Procédé de pressage d'un panneau de fibres et presse continue pour le pressage d'un panneau de fibres utilisant ce procédé - Google Patents

Procédé de pressage d'un panneau de fibres et presse continue pour le pressage d'un panneau de fibres utilisant ce procédé Download PDF

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Publication number
WO2017050200A1
WO2017050200A1 PCT/CN2016/099351 CN2016099351W WO2017050200A1 WO 2017050200 A1 WO2017050200 A1 WO 2017050200A1 CN 2016099351 W CN2016099351 W CN 2016099351W WO 2017050200 A1 WO2017050200 A1 WO 2017050200A1
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WO
WIPO (PCT)
Prior art keywords
pressed
pressing
press
zone
cured
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2016/099351
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English (en)
Chinese (zh)
Inventor
李绍昆
张荣其
王川
邓立宁
罗丽萍
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Wood Based Panel Machinery Co Ltd
Original Assignee
Shanghai Wood Based Panel Machinery Co Ltd
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
Priority claimed from CN201520739175.4U external-priority patent/CN205521839U/zh
Priority claimed from CN201510609132.9A external-priority patent/CN105171891A/zh
Application filed by Shanghai Wood Based Panel Machinery Co Ltd filed Critical Shanghai Wood Based Panel Machinery Co Ltd
Priority to EP16848081.2A priority Critical patent/EP3354431A4/fr
Publication of WO2017050200A1 publication Critical patent/WO2017050200A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/08—Moulding or pressing
    • B27N3/24—Moulding or pressing characterised by using continuously acting presses having endless belts or chains moved within the compression zone
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N1/00—Pretreatment of moulding material
    • B27N1/02—Mixing the material with binding agent
    • B27N1/029—Feeding; Proportioning; Controlling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/08—Moulding or pressing
    • B27N3/18—Auxiliary operations, e.g. preheating, humidifying, cutting-off
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/0082—Dust eliminating means; Mould or press ram cleaning means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/34—Heating or cooling presses or parts thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B5/00—Presses characterised by the use of pressing means other than those mentioned in the preceding groups
    • B30B5/04—Presses characterised by the use of pressing means other than those mentioned in the preceding groups wherein the pressing means is in the form of an endless band
    • B30B5/06—Presses characterised by the use of pressing means other than those mentioned in the preceding groups wherein the pressing means is in the form of an endless band co-operating with another endless band

Definitions

  • the invention relates to the technical field of processing a wood-based panel, a plate-shaped blank and the like by using a continuous press, in particular to a method for pressing a fiberboard and a continuous press for pressing the fiberboard by the method.
  • the continuous press 100 has a press upper portion 110 and a press lower portion 120, and has upper and lower steel strips 130, 140 and upper continuous running in the press upper portion 110 and the press lower portion 120.
  • the lower roller chain fasteners 150 and 160 are respectively provided with upper and lower feeding hot pressing plates 170 and 180 in the press upper portion 110 and the press lower portion 120, and the upper and lower steel strips 130 and 140 are moved up and down.
  • a feed profile 191 is formed at a location between the hot platens 170, 180.
  • a pressing passage 192 is formed between the upper and lower feed heat pressing plates 170, 180.
  • the feed end of the die channel 192 is in natural transitional connection with the feed profile 191.
  • the upper steel strip 130 surrounding the upper driven roller 131 and the upper driving roller 132 and the lower steel strip 140 surrounding the lower driven roller 141 and the lower driving roller 142 drive the roller 132 up and down.
  • the fiber blank 200 to be pressed is fed into the feeding profile 191 formed between the upper and lower steel strips 130, 140 as the upper and lower steel strips 130, 140 circulate.
  • the pressurizing passages 192 formed between the upper and lower feed heat pressing plates 170, 180 are introduced and pressed into various specifications of the fiber sheets through the subsequent pressing passages 193.
  • the running resistance is reduced, and when working, the upper chain drive sprocket 151 and the upper chain blanket are wound from
  • the upper roller chain 150 of the moving sprocket 152 and the lower roller chain 160 surrounding the lower and lower chain drive sprocket 161 and the lower sprocket 162 are driven by the upper and lower sprocket drive sprocket 151, 161.
  • the lower side also performs a circular motion, and enters the upper and lower feed heat pressing plates 170, 180 and the upper and lower steel strips 130, 140.
  • upper and lower heating devices are disposed in the upper and lower feed heat pressing plates 170, 180, and the upper and lower heating devices feed heat through the upper and lower feed heat pressing plates 170, 180.
  • the upper and lower roller chains 150, 160 and the upper and lower steel strips 130, 140 are transferred to the fiber blank 200 to be pressed in the press channel 192 to solidify the adhesive in the fiber blank 200 to be pressed.
  • the pressing device 111 on the upper portion 110 of the press applies pressure to the upper and lower feed heat pressing plates 170, 180, and transmits the pressure to the press material through the upper and lower roller chain blocks 150, 160 and the upper and lower steel strips 130, 140.
  • the fiber blank 200 to be pressed in the passage 192 the fiber blank 200 is gradually compacted to a predetermined thickness and passed through the subsequent pressing passage 193 to finally form a fiberboard to be fed out.
  • the pressurizing passages 192 between the upper and lower feed heat pressing plates 170, 180 can be adjusted so that one continuous press 100 can press fiber sheets of different thickness, such as 12 mm, 16 mm, 25 mm thick fiber sheets. .
  • the upper and lower feed hot press plates 170, 180 of the current continuous press 100 have only one temperature zone, and the fiber blank 200 to be pressed enters the pressurizing passage 192 from the feed profile 191 for curing and pressing, due to high temperature and high pressure.
  • a pre-cured layer is formed on the upper and lower surfaces of the fiber sheet.
  • the upper and lower surfaces of the press-formed fiber sheet need to be sanded to remove the pre-cured layer on the upper and lower surfaces of the fiber sheet, and finally the hardness of the finished fiber sheet in the entire cross-section is basically inclined. Consistent (as shown in Figure 3).
  • the thickness of the pre-cured layer of the upper and lower surfaces will reach 0.45 mm, that is, the thickness of the fiber sheet pressed by the continuous press 100 will reach 12.9. Mm.
  • Such a thick pre-cured layer means: 1. The raw material waste is serious, which makes the manufacturing cost high; 2. The sanding amount is large, the belt consumption for grinding and the power consumption of the sanding equipment are greatly increased; 3. The sanding generates a large amount of dust. The processing workload is large, and it also brings security problems.
  • the thickness of the pre-cured layer of the upper and lower surfaces of the press-formed fiber sheet, in addition to the fiber state and the properties of the adhesive applied in the fiber, the feed speed of the fiber blank 200 to be pressed, the fiber blank to be pressed 200 is subjected to the upper and lower feed heat pressing plates 170, 180 during the pressing process.
  • the pressing temperature is related to the pressing pressure.
  • the fiber blank 200 to be pressed, at a certain feed rate and pressing temperature, the lower the pressing pressure of the fiber blank 200 to be pressed by the upper and lower feed heat pressing plates 170, 180, and the press-formed fiber sheet The thicker the pre-cured layer of the upper and lower surfaces, on the contrary, the higher the pressing pressure of the fiber blank 200 to be pressed by the upper and lower feed heat pressing plates 170, 180, and the upper and lower surfaces of the fiber sheet after press molding. The thinner the cured layer.
  • the skilled person in the industry usually reduces the thickness of the pre-cured layer of the upper and lower surfaces of the press-formed fiber sheet by increasing the pressing pressure, however, this method causes the formation of dust spots on the press-formed fiber sheet.
  • the fiber blank 200 to be pressed needs to release a large amount of gas during the solidification pressing process, the released large amount of gas is discharged on the one hand from both sides of the pressurizing passage 192, and the other portion is already due to the fiber blank 200 at the rear end of the pressing passage 192. Gradually solidified and compacted, it can only be discharged in the direction of the feed profile 191 (as shown in Figures 4 and 5).
  • This part of the gas discharged in the direction of the feed profile 191 will be in the upper and lower strips 130, 140 and The position at which the pressed fiber blank 200 contacts creates a vortex flow which acts on the upper and lower surfaces of the fiber blank 200 to be pressed and produces a large amount of dust particles 10, particularly the lower surface of the fiber blank 200 to be pressed (Fig. 6). As shown, these dust particles 10 are again carried into the press channel 192. Since the dust particles 10 are affected by the high temperature air flow, the adhesive in the dust group is pre-cured and cannot be fused to the fiber blank 200 to be pressed. A dust spot is formed on the surface of the press-formed fiber sheet.
  • the upper feed heat-pressing plate 170 is usually raised to a certain height at a position close to the inlet of the pressurizing passage 192, that is, at the position I of FIG. 7, so that the upper feed heat is pressed.
  • the plate 170 forms an "S"-shaped curved surface with the entering direction of the fiber blank 200, so that an exhaust slit 194 is formed at a position between the upper feeding hot pressing plate 170 and the lower feeding hot pressing plate 180 at the time of pressing, to be pressed.
  • the large amount of gas generated by the fiber blank 200 during the solidification pressing process is discharged to both sides via the exhaust slit 194, thus effectively reducing the flow rate of the portion of the gas discharged toward the feed profile 191, forcing the feed profile 191.
  • This portion of the gas discharged in the direction cannot generate a vortex flow at the position where the upper and lower steel strips 130, 140 are in contact with the fiber blank 200 to be pressed, thereby effectively reducing Reduce the amount of dust generated or avoid the generation of dust particles.
  • this method can increase the feed rate and increase the output.
  • this practice increases the thickness of the pre-cured layer on the surface of the fiber sheet after press molding.
  • One of the technical problems to be solved by the present invention is to provide a method for pressing a fiberboard by a continuous press in view of the deficiencies of the prior art press press for pressing the fiberboard, and the pre-cured layer of the fiberboard pressed by the method is obtained. Larger reduction, saving raw materials, reducing sanding amount and dust, reducing the generation of dust particles, and avoiding the formation of dust spots on the surface of the fiber sheet after press forming.
  • a second technical problem to be solved by the present invention is to provide a continuous press for pressing a fiberboard by the above method.
  • a method of pressing a fiberboard as a first aspect of the present invention which is an upper steel strip surrounding the upper driving roller and the upper driven roller, and a lower steel belt surrounding the lower driving roller and the lower driven roller Under the driving of the lower driving roller, the fiber blank to be pressed is fed into the feeding profile formed between the upper and lower steel strips according to the cyclic movement of the upper and lower steel strips, and then enters into the feeding profile formed by the upper and lower steel strips.
  • the pressurizing channel formed between the upper and lower feed heat pressing plates is pressed into a fiber board; wherein the press channel is divided into a normal pressed curing zone and a pressed but not solidified zone, and the fiber blank to be pressed is first Entering the pressed but non-cured region into the normally pressed solidified region, the thickness of the fiber blank to be pressed is compressed while the fiber blank to be pressed passes through the pressed but not cured region, but the adhesive therein is not Cured.
  • the temperature set by the pressed but uncured zone and the passage of the fiber blank to be pressed are less than the temperature at which the adhesive of the fiber blank to be pressed is normally cured and the time required.
  • the pressed but uncured zone is set at a temperature below the temperature at which the adhesive of the fiber blank is normally cured as it passes through the pressed but non-cured zone.
  • the temperature of the pressed but uncured region is lower than the temperature at which the adhesive of the fiber blank is required to pass through the pressed but not cured region is by pressing but not curing The area is cooled.
  • the temperature of the pressed but uncured zone is lower than the temperature at which the adhesive of the fiber blank is required to pass through the pressed but not cured zone by the upper and lower steel strips. This is achieved by heating during the pressing but not curing zone.
  • the pressure of the pressed but not cured zone is equal to or lower than the pressure of the normally pressed solidified zone.
  • the position of the upper feed heat pressing plate near the inlet of the pressure feed channel is increased by a certain distance so that the upper and lower feed heat pressing plates are close to each other when pressed.
  • the location of the inlet of the die channel forms a venting slit.
  • a continuous press for pressing a fiberboard comprising a lower portion of a press and an upper portion of a press, and further having upper and lower steel strips and a continuous operation in a lower portion of the press and an upper portion of the press,
  • the lower roller chain blanket is provided with upper and lower feeding hot pressing plates in the lower part of the pressing machine and the upper part of the pressing machine, and the upper and lower steel strips form a feeding place at a position before entering the upper and lower feeding hot pressing plates.
  • the press channel being connected to the feed profile, wherein the press channel is divided into a normally pressed curing zone and In the pressed but not cured region, the fiber blank to be pressed first enters the pressed but not cured region and then enters the normally pressed solidified region, and the fiber blank to be pressed passes through the pressed but not cured region, to be pressed The thickness of the fiber blank is compressed but the adhesive therein is not cured.
  • the temperature set by the pressed but uncured zone and the passage of the fiber blank to be pressed are less than the temperature at which the adhesive of the fiber blank to be pressed is normally cured and the time required.
  • the pressed but uncured zone is set at a temperature below the temperature at which the adhesive of the fiber blank is normally cured as it passes through the pressed but non-cured zone.
  • the area between the upper and lower feed heat pressing plates is divided into a first temperature control area and a second temperature control area, wherein the upper and lower feed hot platens are
  • the first temperature control region corresponds to the pressed but not cured region
  • the second temperature control region on the upper and lower feed hot platens corresponds to the normally pressed cured region.
  • the first temperature control zone and the second temperature control zone between the upper and lower feed heat press plates are separately controlled.
  • the temperature of the pressed but non-cured passage is lower than the temperature at which the adhesive of the fiber blank is required to pass through the pressed but non-cured region by the upper and lower steel strips. This is achieved by heating during the pressing but not curing zone.
  • the pressure of the pressed but not cured zone is equal to or lower than the pressure of the normally pressed solidified zone.
  • the position of the upper feed heat pressing plate near the inlet of the pressure feed channel is increased by a certain distance so that the upper and lower feed heat pressing plates are close to each other when pressed.
  • the location of the inlet of the die channel forms a venting slit.
  • the fiber blank to be pressed is first introduced into a pressed but not cured zone before the feed profile enters the normally pressed solidified zone so that the air in the fiber blank can be discharged to both sides and the feed profile in the pressed but not cured zone.
  • the gas generated in the press-solidification process of the fiber blank in the normally pressed solidified region is discharged on one hand from both sides of the normally pressed solidified region, and the other portion is discharged through the pressed but not cured region due to the pressing but not in the cured region.
  • the adhesive is not cured, and the gas can be smoothly discharged, so that the thickness of the pre-cured layer on the upper and lower surfaces of the pressed fiber sheet can be reduced by at least 30% to 40% compared with the prior art, or even 30% of the prior art. Therefore, the raw materials are saved to a large extent, the sanding amount is reduced, the power consumption of the sanding equipment and the consumption of the abrasive belt are reduced, and the dust generated by the sanding is reduced.
  • the adhesive of the fiber blank to be pressed through the pressed but not cured region does not reach full curing, the gas released by the fiber blank in the normally pressed solidified region can be pressed but not solid.
  • the zone is discharged toward the feed profile, and this portion of the gas is insufficient to generate a swirling flow at the position where the upper and lower steel strips are in contact with the fiber blank to be pressed, even if a swirling airflow is generated, so that the fiber blank to be pressed is up and down
  • the surface produces dust particles whose adhesives are not solidified, and these dust particles are carried into the pressed but not cured region. Since the adhesive of the fiber blank to be pressed does not form a solidification in the pressed but not cured region, the dust particles can be fused. On the surface of the fiber blank to be pressed, the formation of dust spots on the surface of the fiberboard is avoided.
  • Figure 1 is a schematic view showing the structure of a conventional continuous press.
  • Fig. 2 is an enlarged view of I of Fig. 1.
  • Fig. 3 is a schematic view showing the density distribution of a cross section of a fiberboard press-formed using a conventional continuous press.
  • Figure 4 is a schematic illustration of a prior art continuous press while compacting a fiber blank.
  • Figure 5 is a schematic illustration of the air released by a conventional continuous press when compacting a fiber blank.
  • Fig. 6 is an enlarged view of a portion B of Fig. 2;
  • Fig. 7 is an enlarged view of a portion A of Fig. 2;
  • Figure 8 is a schematic illustration of the continuous press of the present invention as it is pressed into a fiber blank.
  • Figure 9 is a distribution diagram of temperature regions in a pressurizing passage of a continuous press of the present invention.
  • Figure 10 is a schematic illustration of the air released by the continuous press of the present invention when compacting the fiber blank.
  • Figure 11 is a schematic view showing the density distribution of a cross section of a fiberboard press-formed by a continuous press of the present invention.
  • the continuous press of the present invention is substantially identical to the prior art continuous press, and also has a press lower portion 110 and a press upper portion 120, and also has a press lower portion 110 and a press upper portion 120.
  • the continuously running upper and lower steel strips 130, 140 and the upper and lower roller chain blocks 150, 160 are respectively provided with upper and lower feed heat pressing plates 170, 180 in the press lower portion 110 and the press upper portion 120, respectively.
  • the lower steel strips 130, 140 form a feed profile 191 at a position before the upper and lower feed heat press plates 170, 180, and a press passage 192 is formed between the upper and lower feed heat press plates 170, 180. .
  • the continuous press of the present invention differs from the prior art continuous press in that, referring to Fig. 8, the press passage formed between the upper and lower feed heat press plates 170, 180 is divided into a normally pressed solidified region 192b and pressed. However, the non-cured region 192a, the normally pressed solidified region 192b is joined to the feed profile 191 by the pressed but uncured region 192a, i.e., the fibrous blank to be pressed first enters the pressed but non-cured region 192a and re-enters the normally pressed cured region 192b.
  • the temperature set by the pressed but uncured region 192a and the passage of the fiber blank 200 to be pressed are less than the temperature at which the adhesive in the fiber blank 200 to be pressed is normally cured and the time required, and thus, the fiber blank 200 to be pressed.
  • the temperature of the pressed but not cured region 192a should be lower than the fiber blank 200 to be pressed. The temperature at which the adhesive is normally cured as it passes through the but not cured region 192a.
  • the temperature at which the pressing but the temperature of the non-cured region 192a is lower than the normal curing required for the adhesive of the fiber blank 200 to be pressed while passing through the pressed but not cured region 192a can be achieved by cooling the pressed but non-cured region 192a.
  • the area between the upper and lower feed heat pressing plates 170, 180 is divided into a first temperature control area 310 and a second temperature control area 320, and the first temperature control area 310 and the second temperature control area 320 are respectively Separate control is performed, as shown in FIG. 9, wherein the first temperature control region 310 of the upper and lower feed heat pressing plates 170, 180 corresponds to the pressed but not cured region 192a, and the upper and lower feed heat pressing plates 170, 180 are fed.
  • the upper second temperature control region 320 corresponds to the normally pressed solidified region 192b.
  • the manner in which the temperature of the pressed but non-cured region 192a is lower than the temperature of the normal curing required for the adhesive of the fiber blank 200 to be pressed while passing through the pressed but not cured region 192a may be: by not facing the upper and lower steel strips 130. , 140 is heated during the pressed but uncured region 192a because the upper and lower steel strips 130, 140 extend from the outlet end of the press passage 192 and then circulate and re-enter the pressure from the inlet end of the press passage 192.
  • the upper and lower steel strips 130, 140 have been cooled by the heating action of the heating device, and the temperatures of the upper and lower steel strips 130, 140 are greatly reduced, and thus can be appropriately adjusted.
  • the temperature at which the upper and lower steel strips 130, 140 re-enter the press channel 192 is maintained below the temperature at which the adhesive of the fiber blank 200 to be pressed is normally cured as it passes through the pressed but non-cured region 192a.
  • the continuous press of the present invention performs the work of pressing the fiber blank as follows: the upper steel strip 130 surrounding the upper drive roller and the upper driven roller and the lower steel strip 140 surrounding the lower drive roller and the lower driven roller are on Under the driving of the lower driving roller, the fiber blank 200 to be pressed is fed into the upper and lower feeding hot pressing plates 170 and 180 by the cyclic movement of the upper and lower steel strips 130 and 140.
  • the pressure at the curing zone 192a is the same as when passing through the normally pressed curing zone 192b
  • the pressure is equal or lower than the pressure when passing through the normally pressed solidified region 192b.
  • the fiber blank 200 Since the fiber blank 200 enters the normally pressed solidified zone 192b from the feed profile 191, it first enters a pressed but uncured zone 192a such that air in the fiber blank 200 can be fed to both sides and in the pressed but not cured zone 192a.
  • the outline direction is discharged while the gas generated in the press solidification of the fiber blank in the normally pressed solidified region 192b is discharged on the one hand from both sides of the normally pressed solidified region 192b, and the other portion can be discharged into the pressed but not cured region 192a. As shown in FIG.
  • the adhesive in the pressed but non-cured region 192a is not cured, the gas can be smoothly discharged, and finally the thickness of the pre-cured layer on the upper and lower surfaces of the pressed fiber sheet is at least relative to the prior art.
  • the gas released by the fiber blank 200 in the normally pressed solidified region 192b can be discharged toward the feed profile 191 via the pressed but non-cured region 192a. And this portion of the gas is insufficient to generate a swirling airflow at a position where the upper and lower steel strips 130, 140 are in contact with the fiber blank 200 to be pressed, and even if a swirling airflow is generated, the upper and lower surfaces of the fiber blank 200 to be pressed are generated.
  • the dust is not cured by the adhesive dust 10 (shown in Figure 6), and the dust particles 10 are carried into the pressed but uncured region 192a due to the adhesive in the pressed but not cured region 192a of the fibrous blank 200 to be pressed. Without curing, these dust particles 10 can be fused to the surface of the fiber blank 200 to be pressed, thereby avoiding the formation of dust spots on the surface of the fiber board.
  • the upper feeding hot pressing plate 170 and the fiber blank can also be raised by raising the upper pressing device 111 of the press upper portion 110 at a position close to the inlet of the pressing passage 192, that is, the position I in FIG.
  • the entry direction of 200 forms an "S"-shaped curved surface such that an exhaust slit 194 is formed at a position between the upper feed heat press plate 170 and the lower feed heat press plate 180 at the time of pressing (see Fig. 7).
  • the gas generated by the fiber blank 200 to be pressed in the pressed but not cured region 192a and at normal pressure The large amount of gas generated by the solidified region 192b and discharged to the pressed but not cured region 192a can be discharged to both sides of the fiber blank via the exhaust slit 194, effectively reducing the flow rate of the gas discharged toward the feed profile, avoiding A vortex flow is formed, so that the feed rate can be appropriately increased and the yield can be increased.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)

Abstract

L'invention concerne un procédé de pressage d'un panneau de fibres. Une ébauche de fibres à presser est introduite dans un profil d'alimentation (191) formé par des bandes d'acier supérieure et inférieure avec un mouvement cyclique des bandes d'acier (130, 140) supérieure et inférieure, et pénètre ensuite dans un passage (192) de pressage de matériau formé par des plaques (170, 180) supérieure et inférieure d'alimentation de pressage à chaud afin d'être pressée pour former un panneau de fibres ; le passage de pressage de matériau est divisé en une zone de durcissement (192b) à pressage normal et une zone de pressage (192a) sans durcissement, l'ébauche de fibres à presser pénétrant d'abord dans la zone de pressage (192a) sans durcissement et ensuite dans la zone de durcissement à pressage normal, et au cours d'un processus dans lequel l'ébauche de fibres à presser traverse la zone de pressage sans durcissement, l'épaisseur de l'ébauche de fibres à presser est comprimée, mais sans durcissement d'un adhésif. L'invention concerne également une presse continue utilisant ce procédé. L'invention permet de réduire dans une grande mesure l'épaisseur de couches de prédurcissement sur les surfaces supérieure et inférieure d'un panneau de fibres après pressage, d'économiser des matières premières et de réduire le ponçage, la consommation d'électricité d'un dispositif de ponçage ainsi que la poussière engendrée par le ponçage.
PCT/CN2016/099351 2015-09-22 2016-09-19 Procédé de pressage d'un panneau de fibres et presse continue pour le pressage d'un panneau de fibres utilisant ce procédé Ceased WO2017050200A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP16848081.2A EP3354431A4 (fr) 2015-09-22 2016-09-19 Procédé de pressage d'un panneau de fibres et presse continue pour le pressage d'un panneau de fibres utilisant ce procédé

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201510609132.9 2015-09-22
CN201520739175.4U CN205521839U (zh) 2015-09-22 2015-09-22 一种压制纤维板的连续压机
CN201510609132.9A CN105171891A (zh) 2015-09-22 2015-09-22 压制纤维板的方法及采用该方法压制纤维板的连续压机
CN201520739175.4 2015-09-22

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Publication Number Publication Date
WO2017050200A1 true WO2017050200A1 (fr) 2017-03-30

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PCT/CN2016/099351 Ceased WO2017050200A1 (fr) 2015-09-22 2016-09-19 Procédé de pressage d'un panneau de fibres et presse continue pour le pressage d'un panneau de fibres utilisant ce procédé

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EP (1) EP3354431A4 (fr)
WO (1) WO2017050200A1 (fr)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1271385B (de) * 1964-03-11 1968-06-27 Eugen Siempelkamp Plattenpresse fuer die Herstellung von insbesondere endlosen Spanholzbahnen od. dgl.
CN87107124A (zh) * 1986-11-14 1988-05-25 库特·赫尔德·法布里肯特 制造复合木材制品板的方法和设备
CN1048349A (zh) * 1989-02-14 1991-01-09 Csr有限公司 改进型板材加工工艺及装置
CN1107094A (zh) * 1993-01-21 1995-08-23 J·迪芬巴赫机器制造有限公司 连续生产刨花板的方法及设备
CN1140122A (zh) * 1995-05-28 1997-01-15 J·迪芬巴赫机器制造有限公司 制造木屑板的方法及其设备
DE19622494A1 (de) * 1996-06-05 1997-12-11 Schenck Panel Production Syste Verfahren und Vorrichtung zum Heißpressen
WO2002076697A1 (fr) * 2001-03-23 2002-10-03 Metso Paper, Inc. Procede de production continue de panneaux de particules et de materiaux sous forme de panneaux similaires et presse a double bande adaptee
EP1938935A2 (fr) * 2006-12-30 2008-07-02 Dieffenbacher GmbH & Co. KG Presse préliminaire destinée à la pré-compaction et la désaération d'une nappe de matiére pressée lors de la fabrication de plaques
CN105171891A (zh) * 2015-09-22 2015-12-23 上海人造板机器厂有限公司 压制纤维板的方法及采用该方法压制纤维板的连续压机
CN205521839U (zh) * 2015-09-22 2016-08-31 上海人造板机器厂有限公司 一种压制纤维板的连续压机

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1271385B (de) * 1964-03-11 1968-06-27 Eugen Siempelkamp Plattenpresse fuer die Herstellung von insbesondere endlosen Spanholzbahnen od. dgl.
CN87107124A (zh) * 1986-11-14 1988-05-25 库特·赫尔德·法布里肯特 制造复合木材制品板的方法和设备
CN1048349A (zh) * 1989-02-14 1991-01-09 Csr有限公司 改进型板材加工工艺及装置
CN1107094A (zh) * 1993-01-21 1995-08-23 J·迪芬巴赫机器制造有限公司 连续生产刨花板的方法及设备
CN1140122A (zh) * 1995-05-28 1997-01-15 J·迪芬巴赫机器制造有限公司 制造木屑板的方法及其设备
DE19622494A1 (de) * 1996-06-05 1997-12-11 Schenck Panel Production Syste Verfahren und Vorrichtung zum Heißpressen
WO2002076697A1 (fr) * 2001-03-23 2002-10-03 Metso Paper, Inc. Procede de production continue de panneaux de particules et de materiaux sous forme de panneaux similaires et presse a double bande adaptee
EP1938935A2 (fr) * 2006-12-30 2008-07-02 Dieffenbacher GmbH & Co. KG Presse préliminaire destinée à la pré-compaction et la désaération d'une nappe de matiére pressée lors de la fabrication de plaques
CN105171891A (zh) * 2015-09-22 2015-12-23 上海人造板机器厂有限公司 压制纤维板的方法及采用该方法压制纤维板的连续压机
CN205521839U (zh) * 2015-09-22 2016-08-31 上海人造板机器厂有限公司 一种压制纤维板的连续压机

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP3354431A4 *

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