CN112195677A - High-speed double-cylinder long-net tissue paper wiping machine - Google Patents
High-speed double-cylinder long-net tissue paper wiping machine Download PDFInfo
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- CN112195677A CN112195677A CN202010870900.7A CN202010870900A CN112195677A CN 112195677 A CN112195677 A CN 112195677A CN 202010870900 A CN202010870900 A CN 202010870900A CN 112195677 A CN112195677 A CN 112195677A
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- 238000001035 drying Methods 0.000 claims abstract description 129
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 59
- 238000007493 shaping process Methods 0.000 claims abstract description 10
- 238000007790 scraping Methods 0.000 claims description 33
- 238000003825 pressing Methods 0.000 claims description 31
- 210000000481 breast Anatomy 0.000 claims description 22
- 238000005096 rolling process Methods 0.000 claims description 15
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 239000007921 spray Substances 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 claims description 6
- 238000005086 pumping Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 2
- 238000004804 winding Methods 0.000 abstract description 24
- 230000018044 dehydration Effects 0.000 abstract description 14
- 238000006297 dehydration reaction Methods 0.000 abstract description 14
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- 238000000034 method Methods 0.000 description 11
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- 238000007599 discharging Methods 0.000 description 10
- 239000002002 slurry Substances 0.000 description 8
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- 230000007547 defect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000007602 hot air drying Methods 0.000 description 2
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Classifications
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F9/00—Complete machines for making continuous webs of paper
- D21F9/02—Complete machines for making continuous webs of paper of the Fourdrinier type
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/36—Guiding mechanisms
- D21F1/40—Rolls
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/48—Suction apparatus
- D21F1/483—Drainage foils and bars
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F3/00—Press section of machines for making continuous webs of paper
- D21F3/02—Wet presses
- D21F3/08—Pressure rolls
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F5/00—Dryer section of machines for making continuous webs of paper
- D21F5/02—Drying on cylinders
- D21F5/04—Drying on cylinders on two or more drying cylinders
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
- D21G3/00—Doctors
- D21G3/04—Doctors for drying cylinders
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Abstract
The invention provides a high-speed double-cylinder long-net paper wiping machine, which comprises: the dryer comprises a fourdrinier wire forming part, a wet paper web transfer part, a press part, a dryer part and a paper winding part, wherein the press part is arranged at the rear end of the fourdrinier wire forming part, the wet paper web transfer part is arranged between the press part and the fourdrinier wire forming part, the dryer part is arranged at the rear end of the press part, and the paper winding part is arranged at the rear end of the dryer part. This high-speed double-cylinder fourdrinier hand wiping machine is through the optimal design to fourdrinier shaping portion, with wiping the wiper set group setting to scrape the water angle differentiation setting, can effectively improve the effect of net portion dehydration, improve the fashioned quality of wiping paper net portion. Through the optimal design to wet paper web transfer portion, adopt the form of vacuum box with the woollen blanket to realize the absorption formula of wet paper web and shift, can effectively strengthen the quality that wet paper web shifted, prevent the paper break. Through the optimal design to the drying part, adopt two dryer matched with modes to first dryer and hot-blast cooperation of covering, the second dryer cooperatees with dry woollen blanket, improves drying efficiency.
Description
Technical Field
The invention relates to the technical field of papermaking equipment, in particular to a high-speed double-cylinder fourdrinier paper wiping machine.
Background
The hand wiping paper is mainly used for daily hygiene of people, and is one of indispensable paper types for the people. In order to make the paper towel soft, the paper is usually creped mechanically to increase the softness of the paper towel. The raw materials for making the hand towel are many, and the common raw materials are natural pollution-free raw materials such as cotton pulp, wood pulp, bamboo pulp, straw pulp and the like. The hand towel is required to have no toxic chemical substances, no raw materials irritating the skin and no mould viral bacteria residues.
The prior production of the paper towel mainly depends on the production of a professional paper towel machine, and the prior paper towel machine has the following defects: 1) the net part structure of the paper towel machine is unreasonable in design and poor in dewatering uniformity; 2) with the increase of the speed of the paper machine, the difficulty of transferring the wet paper web from the wet part to the press part is high, paper is easy to break in the transferring process, and the production of the paper machine is seriously influenced; 3) the drying efficiency is low, and the improvement of the vehicle speed and the yield is restricted.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the high-speed double-cylinder long-net paper wiping machine, the water wiping plate groups are arranged in groups, the water wiping angles are arranged in a differentiated mode, the dewatering effect of the net part can be effectively improved, the forming quality of the net part of the paper wiping machine is improved, the transfer quality of a wet paper web can be improved through the design of a wet paper web transfer structure, paper breaking is not prone to occurring, double-cylinder drying is adopted, and the drying efficiency can be effectively improved.
In order to realize the technical scheme, the invention provides a high-speed double-cylinder fourdrinier paper wiping machine, which comprises:
fourdrinier shaping portion, fourdrinier shaping portion includes the net portion frame, and the forming roll is installed at net portion frame front end, scrapes the water profiled sheeting and installs in net portion frame and press close to the top roll surface top surface setting of forming roll, and the breast roller is installed in net portion frame rear end, breast roller top roll surface sets up with the top roll surface parallel and level of forming roll, and the oblique rear at the breast roller is installed to the steering roll, and first net roller, rectifying ware, tensioning ware and second net roller are installed in proper order in net portion frame below by the back, and the forming roll cup joints at the forming roll, scrapes the water profiled sheeting, breast roller, steering roll, first net roller, forming net rectifying ware, forming net tensioning ware and second net roller, and the head box is installed in net portion frame front end, and the play thick liquid mouth of head box is just to scraping the top setting of water profiled sheeting, and the rear of scraping the water profiled sheeting is provided with scrapes water plate group, it is divided into preceding water scraping plate group, The water scraping angle of the front water scraping plate group is smaller than that of the middle water scraping plate group, the water scraping angle of the middle water scraping plate group is smaller than that of the rear water scraping plate group, and a vacuum box group is arranged behind the water scraping plate group;
the squeezing part comprises a vacuum squeezing roller bracket arranged on the frame, the vacuum squeezing roller is arranged on the vacuum squeezing roller bracket and is positioned below the first drying cylinder, the bottom of the vacuum squeezing roller bracket is connected with the frame through a first pneumatic tire, and the vacuum squeezing roller is connected with a vacuum pumping system through a vacuum pumping pipe;
the wet paper web transfer device comprises a transfer rack, the wet paper web transfer device is installed on the transfer rack and is inclined downwards, the wet paper web transfer device comprises a movable mounting rack, one end of the movable mounting rack is hinged to the rack and is inclined downwards, a first vacuum box is installed on the movable mounting rack and is inclined downwards, a first guide roller and a second guide roller are fixed on the left side and the right side of a first vacuum box, an electric push rod is obliquely fixed on an electric push rod support, the front end of the electric push rod is fixedly connected with the movable mounting rack, a second vacuum box is installed on the transfer rack at the rear end of the first vacuum box, a third guide roller and a fourth guide roller are installed on the front side and the rear side of the second vacuum box respectively, a vacuum press roller is installed on the transfer rack at the rear end of the second vacuum box, a fifth guide roller is installed right above the third guide roller, and a sixth guide roller is installed on the transfer, the blanket deviation corrector is arranged on the front side of the sixth guide roller in parallel, the blanket tensioner is arranged in front of and below the deviation corrector, the seventh guide roller is arranged behind the tensioner and is positioned below the deviation corrector, a high-pressure water spray gun and a vacuum suction box are arranged on a transfer rack between the tensioner and the seventh guide roller, and a blanket is sequentially sleeved on the second guide roller, the first vacuum box, the first guide roller, the third guide roller, the second vacuum box, the fourth guide roller, the vacuum press roller, the fifth guide roller, the sixth guide roller, the blanket deviation corrector, the blanket tensioner, the vacuum suction box and the seventh guide roller;
the drying part comprises a first frame and a second frame which are independently designed, the second frame is installed at the rear part of the first frame, a first drying cylinder is installed on the first frame, a vacuum pressing roller is installed below the first drying cylinder in an inclined mode, the vacuum pressing roller is installed on a vacuum pressing roller support, the bottom of the vacuum pressing roller support is connected with the first frame through a first pneumatic tire, a hot air cover is arranged on the outer side of the first drying cylinder, a paper outlet scraper is installed at a paper outlet of the first drying cylinder, a paper guide roller is installed on one side of the paper outlet scraper, a second drying cylinder is installed behind the first drying cylinder in an inclined mode, the second frame is installed on one side of the second drying cylinder, a pressing roller is installed above the second drying cylinder through a pressing roller support, the pressing roller support is connected with the second frame through a second pneumatic tire, a drying blanket is wrapped below the second drying cylinder, and the drying blanket is driven by a blanket driving mechanism, a paper outlet scraper is arranged at the top of the rear end of the second drying cylinder, and a paper outlet guide roller is arranged on one side of the paper outlet scraper;
a roll paper part installed at a rear end of the drying part.
Preferably, the stock form portion includes the stock form frame, and the rolling deflector roll is installed to the front end of stock form frame, and balanced compression roller is installed in the rear of rolling deflector roll and is driven by the motor, and the pressure adjustment compression roller is installed in the oblique top of balanced compression roller and is hugged closely balanced compression roller setting, and the stock form is placed in the stock form frame and is made the stock form to hug closely the setting with balanced compression roller through pressing the paper swing arm, and the one end of pressing the paper cylinder is fixed in the stock form frame, presses the telescopic shaft of paper cylinder and presses paper swing arm fixed connection.
Preferably, the wiping angle of the front wiper plate group is 1 °, the wiping angle of the middle wiper plate group is 2 °, and the wiping angle of the rear wiper plate group is 3 °.
Preferably, a paper edge fixing device is arranged above the breast roll; a broke pond is arranged below the breast roll and the steering roll; a white water tank is arranged below the forming roller, the water scraping forming plate and the water scraping plate group; and an electric lifting screw rod connected with the forming roller is arranged obliquely below the forming roller.
Preferably, install first shower between turn to the roller and the first wire guide roll, be provided with the second shower directly over the first wire guide roll, the third shower is installed to the top of tensioning ware, be provided with the fourth shower between tensioning ware and the second wire guide roll, be provided with the fifth shower between second wire guide roll and the forming roll.
Preferably, the scraper is installed to one side of fifth deflector roll in the wet paper web transfer portion, the roll surface setting of fifth deflector roll is pressed close to the scraper, the woollen blanket inductor of rectifying is installed to one side of scraper, the woollen blanket inductor of rectifying and rectifier electric connection.
Preferably, woollen blanket actuating mechanism includes first woollen blanket deflector roll, second woollen blanket deflector roll, third woollen blanket deflector roll, tensioning ware, deviation rectifier, fourth woollen blanket deflector roll and fifth woollen blanket deflector roll, wherein the left and right sides at the second dryer is installed respectively to first woollen blanket deflector roll and fifth woollen blanket deflector roll, second woollen blanket deflector roll, third woollen blanket deflector roll and fourth woollen blanket deflector roll are installed in the second dryer below, tensioning ware is installed between second woollen blanket deflector roll and third woollen blanket deflector roll, deviation rectifier installs between third woollen blanket deflector roll and fourth woollen blanket deflector roll, dry woollen blanket cup joints at first woollen blanket deflector roll, second woollen blanket deflector roll, third woollen blanket deflector roll, tensioning ware, deviation rectifier.
Preferably, a cleaning scraper is arranged behind the paper discharging scraper, and a paper breaking pool is arranged below the paper discharging scraper.
Preferably, a paper guide wheel is arranged above the press roll in the drying part.
Preferably, the mounting height of the rolling guide roller of the rolling part is lower than that of the paper outlet guide roller in the back drying part, and the rolling guide roller is a curved surface guide roller.
The high-speed double-cylinder long-net paper wiping machine provided by the invention has the beneficial effects that:
1) this high-speed double-cylinder fourdrinier hand wiping machine is through the optimal design to fourdrinier shaping portion, through scraping the wiper set group setting to scrape the water angle differentiation setting, can effectively improve the effect of net portion dehydration, improve the fashioned quality of hand wiping paper net portion. In the actual operation process, the wiping angles of the front wiping plate group, the middle wiping plate group and the rear wiping plate group in the wiping plate groups are different, the wiping angle of the front wiping plate group is smaller than that of the middle wiping plate group, and the wiping angle of the middle wiping plate group is smaller than that of the rear wiping plate group, wherein the larger the wiping angle is, the stronger the dewatering capacity is, the stepped dewatering of the slurry on the forming net can be realized, the dewatering efficiency can be gradually enhanced, the dewatering quality of the slurry can be enhanced, and the forming quality can be enhanced;
2) the high-speed double-cylinder long-net paper wiping machine realizes the adsorption type transfer of the wet paper web by adopting the vacuum box and the blanket through the optimized design of the wet paper web transfer part, can effectively enhance the quality of the transfer of the wet paper web, and prevents paper breaking. In actual work, the movable mounting rack is pushed by the electric push rod to move downwards in an inclined mode, so that the first vacuum box mounted on the movable mounting rack and the blanket coated on the surface of the first vacuum box are in contact with a forming net of a wet part of a paper machine, and the wet paper web can be completely and quickly transferred to the surface of the blanket through the adsorption effect of the first vacuum box and the surface tension effect of the blanket;
3) this high-speed double-cylinder fourdrinier paper wiping machine adopts two dryer matched with mode through the optimal design to the drying portion to first dryer and hot wind cover cooperation, second dryer and dry woollen blanket cooperate, realize the high-efficient drying to the paper wiping, can effectively improve the paper machine speed of a motor vehicle. In actual operation, the wet paper web enters the position where the vacuum press roll is contacted with the drying cylinder, primary dehydration is carried out through strong pressure between the vacuum press roll and the first drying cylinder, then the wet paper web is transferred to the surface of a first drying cylinder, the dehydration of the wet paper web is enhanced and the drying efficiency is improved through the heating of the surface of the first drying cylinder and the hot air drying of a hot air cover, when the dried paper web rotates to the paper guiding scraper, the paper web is stripped from the surface of the drying cylinder by the paper guiding scraper, then the paper web is led out to a second drying cylinder through a paper guide roller and is tightly attached to the second drying cylinder through a press roller, then the paper web rotates to a drying blanket wrapping area along with the second drying cylinder, the drying felt and the second drying cylinder are matched to realize efficient drying and dehydration, and finally the paper web after drying is stripped from the surface of the second drying cylinder through the paper outlet scraper and finally guided out through the paper outlet guide roller to realize efficient drying of the hand wiping paper.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the fourdrinier wire forming section of the present invention.
Fig. 3 is a partially enlarged view of the fourdrinier wire forming section of the present invention.
Fig. 4 is a schematic view showing an assembly structure of the wet paper web transfer part and the fourdrinier wire forming part in the present invention.
Fig. 5 is a partially enlarged schematic view of the structure of a wet paper web transfer part in the present invention.
FIG. 6 is a schematic diagram of the press section and dryer section of the present invention.
FIG. 7 is a schematic view of the drying section and the paper winding section according to the present invention.
In the figure: 1. a fourdrinier wire forming section; 11. a net section frame; 12. a head box; 13. wiping a molding plate; 14. a wiper blade group; 141. a front wiper blade group; 142. a middle wiper blade group; 143. a rear wiper blade group; 15. a vacuum box group; 16. a breast roll; 17. a paper sheet deckle; 18. a turning roll; 19. a first web guide roller; 110. forming a network deviation rectifier; 111. a forming wire tensioner; 112. a second web guide roller; 113. a forming roller; 114. an electric lifting screw; 115. a broke pond; 116. a white water tank; 117. a first shower pipe; 118. a second shower pipe; 119. a third shower pipe; 120. a fourth shower pipe; 121. a fifth spray pipe; 122. forming a net;
2. a wet paper web transfer section; 24. a wet paper web transfer device; 241. a movable mounting frame; 242. a first vacuum box; 243. a first guide roller; 244. a second guide roller; 245. an electric push rod; 246. an electric push rod bracket; 25. a blanket; 26. a transfer rack; 27. a third guide roller; 28. a second vacuum box; 29. a fourth guide roller; 214. a blanket deviation-rectifying sensor; 215. a scraper; 216. a fifth guide roller; 217. a sixth guide roller; 218. a blanket deviation rectifier; 219. a blanket tensioner; 220. a high pressure water spray gun; 221. a vacuum suction box; 222. a seventh guide roller;
3. a press section; 31. a vacuum press roll; 32. a vacuum press roll bracket; 33. a first pneumatic tire; 34. vacuumizing a tube;
4. a drying section; 41. a first dryer frame; 42. a first dryer; 46. a hot air hood; 47. paper guiding rolls; 48. a paper discharging scraper; 49. cleaning a scraper; 410. a press roll bracket; 411. a second pneumatic tire; 412. a compression roller; 413. a paper guide wheel; 414. a paper discharging scraper; 415. a paper output guide roller; 416. a first blanket guide roller; 417. a second frame; 418. a second dryer; 419. a second blanket guide roller; 420. a third blanket guide roller; 421. a drying felt tensioner; 422. drying the blanket deviation rectifier; 423. a fourth blanket guide roller; 424. a fifth blanket guide roller; 425. drying the blanket; 426. a broke pond;
5. a paper winding section; 51. a paper rolling frame; 52. a winding guide roller; 53. a balance press roll; 54. a pressure regulating press roll; 55. a paper pressing cylinder; 56. paper pressing swing arms; 57. and (5) winding the paper roll.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by a person skilled in the art without making any inventive step are within the scope of the present invention.
Example (b): a high-speed double-cylinder long-net tissue paper wiping machine.
Referring to fig. 1 to 7, a high-speed twin-cylinder fourdrinier paper towel comprising:
a fourdrinier wire forming part 1 (see fig. 2-3), wherein the fourdrinier wire forming part 1 comprises a wire part frame 11, a forming roller 113 is arranged at the front end of the wire part frame 11, a water scraping forming plate 13 is arranged on the wire part frame 11 and is arranged close to the top surface of the top roller surface of the forming roller 113, an electric lifting screw 114 connected with the forming roller 113 is arranged obliquely below the forming roller 113, the lifting control of the forming roller 113 can be realized through the electric lifting screw 114 so as to facilitate the replacement of the forming wire 122, a breast roller 16 is arranged at the rear end of the wire part frame 11, the top roller surface of the breast roller 16 is arranged flush with the top roller surface of the forming roller 113, a paper deckle 17 is arranged above the breast roller 16, the width of the formed wet paper web can be accurately controlled through the paper deckle 17, the unformed wet paper webs on two sides of the forming wire 122 are cut off, a steering roller 18 is arranged obliquely behind the breast roller 16, a first wire guide roller 19, the forming net deviation rectifier 110, the forming net tensioner 111 and the second net guide roller 112 are sequentially installed below the net part frame 11 from back to front, the forming net 122 is sleeved on the forming roller 113, the wiper forming plate 13, the breast roller 16, the steering roller 18, the first net guide roller 19, the forming net deviation rectifier 110, the forming net tensioner 111 and the second net guide roller 112, the head box 12 is installed at the front end of the net part frame 11, a pulp outlet of the head box 12 is arranged right above the wiper forming plate 13, the wiper plate group 14 is arranged behind the wiper forming plate 13, the wiper plate group 14 is divided into a front wiper plate group 141, a middle wiper plate group 142 and a rear wiper plate group 143, wherein the wiper angle of the front wiper plate group 141 is smaller than that of the middle wiper plate group 142, the wiper angle of the middle wiper plate group 142 is smaller than that of the rear wiper plate group 143, in the embodiment, the wiper angle of the front wiper plate group 141 is 1 degree, the wiper angle of the middle wiper group 142 is 2 degrees, the wiping angle of the rear wiper group 143 is 3 °, it is found in the actual production process that when the wiping angle of the front wiper group 141 is 11 °, the wiping angle of the middle wiper group 42 is 12 °, and the wiping angle of the rear wiper group 43 is 13 °, a good dewatering effect can be obtained, and the formation evenness of the paper web is optimal, a vacuum box group 15 is installed behind the wiper group 14, the vacuum box group 15 is used for realizing the vacuum dewatering of the pulp on the forming wire 122, a broke pool 115 is arranged below the breast roll 16 and the steering roll 18, in the actual production, the breast roll 16 is easy to break during the wet web transfer process, the paper can be directly placed into the broke pool 115 for recycling after breaking, a white water box 116 is arranged below the forming roll 113, the wiper forming plate 13 and the wiper group 14, the white water scraped by the forming roll 113, the wiper forming plate 13 and the wiper group 14 passes through the white water box 116 for collection, the white water contains a large number of fibers, the fibers in the white water can be recycled, a first spray pipe 117 is arranged between the turning roll 18 and the first wire guide roll 19, a second spray pipe 118 is arranged right above the first wire guide roll 19, a third spray pipe 119 is arranged above the forming wire tensioner 111, a fourth spray pipe 120 is arranged between the forming wire tensioner 111 and the second wire guide roll 112, a fifth spray pipe 121 is arranged between the second wire guide roll 112 and the forming roll 113, the forming wire 122 can be cleaned by spraying through the spray pipes, and the fibers possibly adhered to the forming wire 122 can be washed clean, so that the forming quality of the hand wiping paper can be improved. This fourdrinier shaping portion 1 is through dividing into groups the setting with wiping water board group 14 to scrape the water angle differentiation setting, can effectively improve the effect that the net section dewaters, improve the fashioned quality of paper towel net section. In actual operation, the forming roll 113 drives the forming net 122 sleeved on the forming roll 113, the wiper forming plate 13, the breast roll 16, the steering roll 18, the first wire guide roll 19, the forming net deviation rectifier 110, the forming net tensioner 111 and the second wire guide roll 112 to rotate, slurry is conveyed from a slurry outlet of the head box 12 to the forming net 122 positioned on the wiper forming plate 13, the forming net 122 carries out preliminary dehydration through the wiper forming plate 13 in the process of driving the slurry to move, then dehydration is carried out through the wiper plate group 14, as the wiper angles of the front wiper plate group 141, the middle wiper plate group 142 and the rear wiper plate group 143 in the wiper plate group 14 are different, the wiper angle of the front wiper plate group 141 is smaller than that of the middle wiper plate group 142, the wiper angle of the middle wiper plate wiper group 142 is smaller than that of the rear wiper plate group 143, the larger the wiper angle is, the stronger the dehydration capability is, the step dehydration of the slurry on the forming net 122 can be realized, the dewatering efficiency can be gradually enhanced, the dewatering quality of the slurry can be enhanced, the forming quality is enhanced, after the stepped dewatering forming of the wiper plate group 14, the vacuum adsorption dewatering is finally carried out through the vacuum box group 15, the dewatering of the slurry is further enhanced, and the wet paper web is preliminarily formed;
the press section 3 (shown in fig. 4 and 5) comprises a vacuum press roll bracket 32 mounted on the frame, a vacuum press roll 31 is mounted on the vacuum press roll bracket 32 and located below the first drying cylinder 42, the bottom of the vacuum press roll bracket 32 is connected with the frame through a first pneumatic tire 33, and the vacuum press roll 31 is connected with a vacuum-pumping system through a vacuum-pumping pipe 34. In the actual working process, the first pneumatic tire 33 applies pressure to the vacuum press roll 31, so that strong pressure is formed between the vacuum press roll 31 and the first drying cylinder 42, and a large amount of dehydration of the wet paper web is realized, so that the dryness of the paper web entering the drying part 4 is improved, and the energy consumption of the drying part 4 is reduced;
a wet paper web transfer part 2 (see fig. 4 and 5), the wet paper web transfer part 2 including a transfer frame 26, the transfer frame 26 being provided with a wet paper web transfer device 24 installed obliquely downward, the wet paper web transfer device 24 including a movable mounting frame 241 having one end hinged to the transfer frame 26 and installed obliquely downward, a first vacuum box 242 installed on the movable mounting frame 241 and installed obliquely downward, a first guide roller 243 and a second guide roller 244 fixed on left and right sides of the first vacuum box 242, a power push rod 245 obliquely fixed on a power push rod support 246, a front end of the power push rod 245 fixedly connected to the movable mounting frame 241, during an actual operation, a position of the movable mounting frame 241 can be adjusted by the power push rod 245, and further, the first vacuum box 242 can be adjusted to be attached to or detached from the forming wire 122 in the fourdrinier forming part 1, a second vacuum box 28 installed on the transfer frame 26 at a rear end of the first vacuum box 242, the front side and the rear side of the second vacuum box 28 are respectively provided with a third guide roller 27 and a fourth guide roller 29, a vacuum press roller 31 is arranged on a vacuum press roller bracket 32 at the rear end of the second vacuum box 28, the bottom of the vacuum press roller bracket 32 is connected with the transfer frame 26 through a pneumatic tyre 33, the vacuum press roller 31 is connected with a vacuum system through a vacuum pipe 34, the pressure between the vacuum press roller 31 and the first drying cylinder 42 can be controlled through the pneumatic tyre 33, the fifth guide roller 216 is arranged right above the third guide roller 27, one side of the fifth guide roller 216 is provided with a scraper 215, the scraper 215 is arranged close to the roller surface of the fifth guide roller 216, fine fibers are easily adhered to the surface of the fifth guide roller 216 in the actual working process, the fine fibers are easily agglomerated at the position after long-time running, the abrasion to the blanket 25 is caused, therefore, the fine fibers can be removed in time by arranging the scraper 215 at the fifth guide, prevent to cause the harm to the woollen blanket 25, the sixth deflector roll 217 is installed on the transfer frame 26 above the fifth deflector roll 216, the woollen blanket deviation corrector 218 is installed in parallel at the front side of the sixth deflector roll 217, the woollen blanket deviation correcting sensor 214 is installed to one side of scraper 215, the woollen blanket deviation correcting sensor 214 is electrically connected with the woollen blanket deviation corrector 218, in the actual working process, the running state of the woollen blanket 25 is sensed through the woollen blanket deviation correcting sensor 214, and the signal is transmitted to the woollen blanket deviation corrector 218, correct the deviation of the woollen blanket 25 in time through the deviation corrector 218, the woollen blanket tensioner 219 is installed below the front of the woollen blanket deviation corrector 218, the seventh deflector roll 222 is installed at the rear of the woollen blanket tensioner 219 and is located below the woollen blanket deviation corrector 218, install the high-pressure water spray gun 220 and the vacuum water suction box 221 on the transfer frame 26 between the woollen blanket tensioner 219 and the seventh deflector, the felt 25 is sequentially sleeved on a second guide roller 244, a first vacuum box 242, a first guide roller 243, a third guide roller 27, a second vacuum box 28, a fourth guide roller 29, a vacuum press roller 213, a fifth guide roller 216, a sixth guide roller 217, a felt deflector 218, a felt tensioner 219, a vacuum suction box 221 and a seventh guide roller 222. In actual operation, the felt 25 is driven by the vacuum press roll 31 to rotate circularly, the movable mounting rack 241 is pushed by the electric push rod 245 to move obliquely downwards, so that the first vacuum box 242 mounted on the movable mounting rack 241 and the felt 25 coated on the surface of the first vacuum box 242 are contacted with the forming wire 122 between the breast roll 16 and the turning roll 18 in the wet part of the paper machine, the wet paper web can be completely and quickly transferred to the surface of the felt 25 by the adsorption effect of the first vacuum box 242 and the surface tension effect of the felt 25, and rotate along with the felt 25, the second vacuum box 28 can effectively ensure that the wet paper web has enough vacuum suction force in the transfer process along with the felt 25, so as to prevent the wet paper web from falling off from the surface of the felt 25, when the wet paper web moves along with the felt 25 to the vacuum press roll 31, because the vacuum press roll 31 is closely attached to the first drying cylinder 42, the first smooth-surfaced dryer 42 transfers the web from felt 25 to the dryer surface while the felt 25 continues to rotate, is corrected by felt corrector 218, is tensioned during rotation of felt 25 by felt tensioner 219, and is backwashed by high pressure water jet 220, and finally is drained of cleaning water from the surface of felt 25 by suction box 221. This paper wiping machine wet paper web shifts structural design benefit, through the absorption formula that adopts the form of vacuum box plus woollen blanket to realize wet paper web shifts, can effectively strengthen the quality that wet paper web shifted, prevents the paper break.
A drying section 4 (refer to fig. 6 and 7), the drying section 4 includes a first frame 41 and a second frame 417 which are independently designed, the second frame 417 is installed behind the first frame 41, a first drying cylinder 42 is installed on the first frame 41, a hot air hood 46 is installed outside the first drying cylinder 42, the hot air hood 46 blows hot air to the surface of the paper web while the first drying cylinder 42 dries the paper web, which can effectively enhance the drying efficiency, a paper guiding scraper 48 is installed at a paper outlet of the first drying cylinder 42, a cleaning scraper 49 is installed behind the paper guiding scraper 48 for cleaning the surface of the first drying cylinder 42, a paper guiding roller 47 is installed at one side of the paper guiding scraper 48, the paper web can be peeled from the surface of the first drying cylinder 42 by the paper guiding scraper 48 and is led out by the paper guiding roller 47, a broke pool 426 is installed below the paper guiding roller 47, in actual operation, when the paper web is transferred from the first drying cylinder 42 to the second drying cylinder 418, easy paper breaking, waste paper can be directly placed into a broke tank 426 for recycling, a second drying cylinder 418 is arranged behind a first drying cylinder 42, a second frame 417 is arranged at one side of the second drying cylinder 418, a press roller 412 is arranged above the second drying cylinder 418 through a press roller support 410, the press roller support 410 is connected with the second frame 417 through a second pneumatic tire 411, the pressure between the press roller 412 and the second drying cylinder 418 can be adjusted through the second pneumatic tire 411, a paper guide wheel 413 is arranged above the press roller 412, when production is started, paper web transfer from the first drying cylinder 42 to the second drying cylinder 418 needs to be realized through the paper guide wheel 413, a drying blanket 425 is wrapped below the second drying cylinder 418, the drying blanket 425 is driven by a blanket driving mechanism, and the blanket driving mechanism comprises a first blanket guide roller 416, a second blanket guide roller 419, a third blanket guide roller 420, a blanket tensioner 421, a blanket deflector 422 and a blanket deflector, A fourth felt guide roller 423 and a fifth felt guide roller 424, wherein the first felt guide roller 416 and the fifth felt guide roller 424 are respectively installed at the left and right sides of the second drying cylinder 418, the second felt guide roller 419, the third felt guide roller 420 and the fourth felt guide roller 423 are installed below the second drying cylinder 418, the felt tensioner 421 is installed between the second felt guide roller 419 and the third felt guide roller 420, the felt deflector 422 is installed between the third felt guide roller 420 and the fourth felt guide roller 423, the drying felt 425 is sleeved on the first felt guide roller 416, the second felt guide roller 419, the third felt guide roller 420, the felt tensioner 421, the felt deflector 422, the fourth felt guide roller 423 and the fifth felt guide roller 424, the drying felt rotates along with the second felt guide roller 418 under the driving of the second drying cylinder 418, and is tensioned and corrected by the felt tensioner 421 and the felt deflector roller 422, the rear end top of the second felt guide roller 418 is provided with a paper output scraper 414, one side of the paper discharging blade 414 is provided with a paper discharging guide roller 415, and after the second drying cylinder 418 is dried, the paper web is peeled off from the surface of the second drying cylinder 418 by the paper discharging blade 414 and finally is led out through the paper discharging guide roller 415. This high-efficient drying structure of paper towel machine design benefit adopts two dryer matched with modes to first dryer 42 and hot-blast cover 46 cooperation, second dryer 418 and drying woollen blanket 425 cooperate, realize the high-efficient drying to the paper towel, can effectively improve the paper machine speed of a motor vehicle. In actual operation, the wet paper web enters the position where the vacuum press roll 31 contacts the first drying cylinder 42, the preliminary dewatering is performed by the strong pressure between the vacuum press roll 31 and the first drying cylinder 42, then the wet paper web is transferred to the surface of the first drying cylinder 42, the dewatering of the wet paper web is enhanced and the drying efficiency is improved by the surface heating of the first drying cylinder 42 and the hot air drying of the hot air cover 46, when the dried paper web rotates to the paper guiding scraper 48, the paper web is peeled off from the surface of the first drying cylinder 42 by the paper guiding scraper 48, then is guided to the second drying cylinder 418 by the paper guiding roller 47, the paper web is pressed against the second drying cylinder 418 by the press roller 412, then the paper web rotates to the wrapping area of the drying felt 425 by following the second drying cylinder 418, the efficient drying dewatering is realized by the cooperation of the drying felt 425 and the second drying cylinder 418, and finally the dried paper web is peeled from the surface of the second drying cylinder 418 by the paper, and finally is guided out by the paper outlet guide roller 415, so that the efficient drying of the hand wiping paper is realized.
A paper winding part 5 (shown in fig. 7), the paper winding part 5 is installed at the rear end of the drying part 4, the paper winding part 5 comprises a paper winding frame 51, a winding guide roller 52 is installed at the front end of the paper winding frame 51, the installation height of the winding guide roller 52 is lower than that of a paper output guide roller 415 in the rear drying part, the paper web peeled from the surface of the second drying cylinder 418 is conveniently transferred to the paper winding part 5 from high to low smoothly, the winding guide roller 52 is a curved guide roller, the transverse tension of the paper web can be kept consistent, the paper web is prevented from being broken due to the inconsistent transverse tension in the paper web transfer process, a balance pressure roller 53 is installed behind the winding guide roller 52 and driven by a motor, a pressure adjusting pressure roller 54 is installed obliquely above the balance pressure roller 53 and is arranged to be close to the balance pressure roller 53, the paper winding roller 57 is placed on the paper winding frame 51, and the paper winding, one end of a paper pressing cylinder 55 is fixed on the paper rolling frame 51, a telescopic shaft of the paper pressing cylinder 55 is fixedly connected with a paper pressing swing arm 56, the paper pressing swing arm 56 is pulled through the paper pressing cylinder 55, so that a paper roll on a paper rolling roll 58 is always in constant pressure contact with a balance pressing roll 53, and the paper roll is driven to rotate through the balance pressing roll 53. Through the structural design of the post-drying part and the paper rolling part 5, the paper breaking phenomenon of the paper web between the first drying cylinder 42 and the second drying cylinder 418 and between the second drying cylinder 41 and the transition section of the paper rolling part 5 can be effectively reduced. In operation, the paper web, after being initially dried by the first dryer 42, is drawn onto the second dryer 418, the web is brought into close proximity by the nip roll 412 to a post-second dryer 418, and the web then follows the second dryer 418 to a dryer felt wrapping area, efficient drying and dewatering are realized under the cooperation of the drying felt 425 and the second drying cylinder 418, and finally the paper web after drying is stripped from the surface of the second drying cylinder 418 through the paper discharging scraper 414 and finally is guided out by the paper discharging guide roller 8, then the paper web is smoothly connected after being dried through the matching between the paper-out guide roller 415 and the winding guide roller 52 on the winding part, and is guided to the winding roller 57, the paper roll is always tightly attached to the balance pressing roller 53 with constant pressure through the paper pressing swing arm 56, the balance pressing roller 53 drives the paper roll to rotate at a constant speed, the paper web is stably and uniformly wound, the tension of the paper web can be ensured to be stable in the winding process, and the paper breaking phenomenon between the after-drying cylinder and the transition section of the winding part can be avoided.
This high-speed double-cylinder fourdrinier hand wiping machine is through the optimal design to fourdrinier shaping portion, through scraping the wiper set group setting to scrape the water angle differentiation setting, can effectively improve the effect of net portion dehydration, improve the fashioned quality of hand wiping paper net portion. In the actual operation process, because the wiping angle of preceding wiper blade group, well wiper blade group and back wiper blade group is different in the wiper blade group to the wiping angle of preceding wiper blade group is less than the wiping angle of well wiper blade group, and the wiping angle of well wiper blade group is less than the wiping angle of back wiper blade group, and wherein the wiping angle is big more, and the dewatering capacity is stronger, can realize the ladder nature dehydration of sizing agent on the shaping net, not only can strengthen dehydration efficiency step by step, can strengthen the dehydration quality of sizing agent moreover, reinforcing shaping quality. The high-speed double-cylinder long-net paper wiping machine realizes the adsorption type transfer of the wet paper web by adopting the vacuum box and the blanket through the optimized design of the wet paper web transfer part, can effectively enhance the quality of the transfer of the wet paper web, and prevents paper breaking. This high-speed double-cylinder fourdrinier paper wiping machine adopts two dryer matched with mode through the optimal design to the drying portion to first dryer and hot wind cover cooperation, second dryer and dry woollen blanket cooperate, realize the high-efficient drying to the paper wiping, can effectively improve the paper machine speed of a motor vehicle.
The above description is only for the preferred embodiment of the present invention, but the present invention should not be limited to the embodiment and the disclosure of the drawings, and therefore, all equivalent or modifications that do not depart from the spirit of the present invention are intended to fall within the scope of the present invention.
Claims (10)
1. A high-speed double-cylinder fourdrinier paper wiping machine is characterized by comprising:
fourdrinier shaping portion, fourdrinier shaping portion includes the net portion frame, and the forming roll is installed at net portion frame front end, scrapes the water profiled sheeting and installs in net portion frame and press close to the top roll surface top surface setting of forming roll, and the breast roller is installed in net portion frame rear end, breast roller top roll surface sets up with the top roll surface parallel and level of forming roll, and the oblique rear at the breast roller is installed to the steering roll, and first net roller, rectifying ware, tensioning ware and second net roller are installed in proper order in net portion frame below by the back, and the forming roll cup joints at the forming roll, scrapes the water profiled sheeting, breast roller, steering roll, first net roller, forming net rectifying ware, forming net tensioning ware and second net roller, and the head box is installed in net portion frame front end, and the play thick liquid mouth of head box is just to scraping the top setting of water profiled sheeting, and the rear of scraping the water profiled sheeting is provided with scrapes water plate group, it is divided into preceding water scraping plate group, The water scraping angle of the front water scraping plate group is smaller than that of the middle water scraping plate group, the water scraping angle of the middle water scraping plate group is smaller than that of the rear water scraping plate group, and a vacuum box group is arranged behind the water scraping plate group;
the squeezing part comprises a vacuum squeezing roller bracket arranged on the frame, the vacuum squeezing roller is arranged on the vacuum squeezing roller bracket and is positioned below the first drying cylinder, the bottom of the vacuum squeezing roller bracket is connected with the frame through a first pneumatic tire, and the vacuum squeezing roller is connected with a vacuum pumping system through a vacuum pumping pipe;
the wet paper web transfer device comprises a transfer rack, the wet paper web transfer device is installed on the transfer rack and is inclined downwards, the wet paper web transfer device comprises a movable mounting rack, one end of the movable mounting rack is hinged to the rack and is inclined downwards, a first vacuum box is installed on the movable mounting rack and is inclined downwards, a first guide roller and a second guide roller are fixed on the left side and the right side of a first vacuum box, an electric push rod is obliquely fixed on an electric push rod support, the front end of the electric push rod is fixedly connected with the movable mounting rack, a second vacuum box is installed on the transfer rack at the rear end of the first vacuum box, a third guide roller and a fourth guide roller are installed on the front side and the rear side of the second vacuum box respectively, a vacuum press roller is installed on the transfer rack at the rear end of the second vacuum box, a fifth guide roller is installed right above the third guide roller, and a sixth guide roller is installed on the transfer, the blanket deviation corrector is arranged on the front side of the sixth guide roller in parallel, the blanket tensioner is arranged in front of and below the deviation corrector, the seventh guide roller is arranged behind the tensioner and is positioned below the deviation corrector, a high-pressure water spray gun and a vacuum suction box are arranged on a transfer rack between the tensioner and the seventh guide roller, and a blanket is sequentially sleeved on the second guide roller, the first vacuum box, the first guide roller, the third guide roller, the second vacuum box, the fourth guide roller, the vacuum press roller, the fifth guide roller, the sixth guide roller, the blanket deviation corrector, the blanket tensioner, the vacuum suction box and the seventh guide roller;
the drying part comprises a first frame and a second frame which are independently designed, the second frame is installed at the rear part of the first frame, a first drying cylinder is installed on the first frame, a vacuum pressing roller is installed below the first drying cylinder in an inclined mode, the vacuum pressing roller is installed on a vacuum pressing roller support, the bottom of the vacuum pressing roller support is connected with the first frame through a first pneumatic tire, a hot air cover is arranged on the outer side of the first drying cylinder, a paper outlet scraper is installed at a paper outlet of the first drying cylinder, a paper guide roller is installed on one side of the paper outlet scraper, a second drying cylinder is installed behind the first drying cylinder in an inclined mode, the second frame is installed on one side of the second drying cylinder, a pressing roller is installed above the second drying cylinder through a pressing roller support, the pressing roller support is connected with the second frame through a second pneumatic tire, a drying blanket is wrapped below the second drying cylinder, and the drying blanket is driven by a blanket driving mechanism, a paper outlet scraper is arranged at the top of the rear end of the second drying cylinder, and a paper outlet guide roller is arranged on one side of the paper outlet scraper;
a roll paper part installed at a rear end of the drying part.
2. The high speed twin cylinder fourdrinier paper wipe according to claim 1, wherein: the stock form portion includes the stock form frame, and the rolling deflector roll is installed to the front end of stock form frame, and balanced compression roller is installed in the rear of rolling deflector roll and is driven by the motor, and the pressure adjustment compression roller is installed in the oblique top of balanced compression roller and is hugged closely balanced compression roller setting, and the stock form is placed in the stock form frame and is made the stock form to hug closely the setting with balanced compression roller through pressing the paper swing arm, and the one end of pressing the paper cylinder is fixed in the stock form frame, presses the telescopic shaft of paper cylinder and presses paper swing arm fixed connection.
3. The high speed twin cylinder fourdrinier paper wipe according to claim 1, wherein: the water scraping angle of the front water scraping plate group is 1 degree, the water scraping angle of the middle water scraping plate group is 2 degrees, and the water scraping angle of the rear water scraping plate group is 3 degrees.
4. The high speed twin cylinder fourdrinier paper wipe according to claim 1, wherein: a paper sheet edge fixing device is arranged above the breast roll; a broke pond is arranged below the breast roll and the steering roll; a white water tank is arranged below the forming roller, the water scraping forming plate and the water scraping plate group; and an electric lifting screw rod connected with the forming roller is arranged obliquely below the forming roller.
5. The high speed twin cylinder fourdrinier paper wipe according to claim 2, wherein: install first shower between turn to roller and the first wire guide roller, be provided with the second shower directly over the first wire guide roller, the third shower is installed to forming wire tensioning ware's top, be provided with the fourth shower between forming wire tensioning ware and the second wire guide roller, be provided with the fifth shower between second wire guide roller and the forming roller.
6. The high speed twin cylinder fourdrinier paper wipe according to claim 1, wherein: the scraper is installed to one side of fifth deflector roll in the wet paper web transfer portion, the roll surface setting of fifth deflector roll is pressed close to the scraper, the woollen blanket inductor of rectifying is installed to one side of scraper, the woollen blanket inductor of rectifying and the ware electric connection of rectifying.
7. The high speed twin cylinder fourdrinier paper wipe according to claim 1, wherein: the woollen blanket actuating mechanism includes first woollen blanket deflector roll, second woollen blanket deflector roll, third woollen blanket deflector roll, tensioning ware, the ware rectifies, fourth woollen blanket deflector roll and fifth woollen blanket deflector roll, wherein first woollen blanket deflector roll and fifth woollen blanket deflector roll are installed respectively in the left and right sides of second dryer, second woollen blanket deflector roll, third woollen blanket deflector roll and fourth woollen blanket deflector roll are installed in the second dryer below, tensioning ware is installed between second woollen blanket deflector roll and third woollen blanket deflector roll, the ware of rectifying is installed between third woollen blanket deflector roll and fourth woollen blanket deflector roll, dry woollen blanket cup joints at first woollen blanket deflector roll, second woollen blanket deflector roll, third woollen blanket deflector roll.
8. The high speed twin cylinder fourdrinier paper wipe according to claim 1, wherein: the rear of going out the paper scraper is provided with clean scraper, the below of going out the paper scraper is provided with the broken paper pond.
9. The high speed twin cylinder fourdrinier paper wipe according to claim 1, wherein: and a paper guide wheel is arranged above the middle pressing roller of the drying part.
10. The high speed twin cylinder fourdrinier paper wipe according to claim 2, wherein: the mounting height of the rolling guide roller of the rolling part is lower than that of the paper outlet guide roller in the rear drying part, and the rolling guide roller is a curved surface guide roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010870900.7A CN112195677A (en) | 2020-08-26 | 2020-08-26 | High-speed double-cylinder long-net tissue paper wiping machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010870900.7A CN112195677A (en) | 2020-08-26 | 2020-08-26 | High-speed double-cylinder long-net tissue paper wiping machine |
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| CN112195677A true CN112195677A (en) | 2021-01-08 |
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| CN202010870900.7A Pending CN112195677A (en) | 2020-08-26 | 2020-08-26 | High-speed double-cylinder long-net tissue paper wiping machine |
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| CN87104946A (en) * | 1986-07-18 | 1988-01-27 | 美商贝洛特公司 | The device of assisting transfer of web to drying section |
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| US20120267065A1 (en) * | 2011-04-21 | 2012-10-25 | James Faufau | Method and machine for manufacturing paper products using fourdrinier forming |
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| CN105442379A (en) * | 2015-12-10 | 2016-03-30 | 周妙思 | Novel paper tissue paper machine |
| CN206477194U (en) * | 2017-01-21 | 2017-09-08 | 白城福佳科技有限公司 | A kind of paper machine for producing modeling line paper |
| CN108360281A (en) * | 2017-12-28 | 2018-08-03 | 仙鹤股份有限公司 | Body paper for tobacco-use tipping paper is manufactured paper with pulp equipment and papermaking process |
| CN209941389U (en) * | 2019-03-27 | 2020-01-14 | 杭州北辰轻工机械有限公司 | Multi-cylinder paper machine with long mesh |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87104946A (en) * | 1986-07-18 | 1988-01-27 | 美商贝洛特公司 | The device of assisting transfer of web to drying section |
| US6309511B1 (en) * | 1997-04-15 | 2001-10-30 | Mitsubishi Heavy Industries, Ltd. | Dewatering instrument for a paper machine twin-wire former |
| US20120267065A1 (en) * | 2011-04-21 | 2012-10-25 | James Faufau | Method and machine for manufacturing paper products using fourdrinier forming |
| CN102817273A (en) * | 2012-06-08 | 2012-12-12 | 方汉佐 | Special high-speed multi-roll drying paper machine with reverse net |
| CN105442379A (en) * | 2015-12-10 | 2016-03-30 | 周妙思 | Novel paper tissue paper machine |
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Application publication date: 20210108 |