CN114438827B - Device and method for improving fan box foundation of drying part of pulp machine - Google Patents
Device and method for improving fan box foundation of drying part of pulp machine Download PDFInfo
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- CN114438827B CN114438827B CN202210062671.5A CN202210062671A CN114438827B CN 114438827 B CN114438827 B CN 114438827B CN 202210062671 A CN202210062671 A CN 202210062671A CN 114438827 B CN114438827 B CN 114438827B
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- 238000001035 drying Methods 0.000 title claims abstract description 258
- 238000000034 method Methods 0.000 title claims description 19
- 229920000742 Cotton Polymers 0.000 claims abstract description 41
- 238000001816 cooling Methods 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 238000010521 absorption reaction Methods 0.000 claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims description 23
- 238000003825 pressing Methods 0.000 claims description 21
- 230000007704 transition Effects 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 3
- 239000002918 waste heat Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 17
- 238000001125 extrusion Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 3
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000004781 supercooling Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
- D21J1/00—Fibreboard
- D21J1/06—Drying
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
- D21J1/00—Fibreboard
- D21J1/04—Pressing
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Abstract
The invention relates to the technical field of pulp sheet machines and discloses an improved device for a fan box foundation of a drying part of a pulp sheet machine, which comprises a machine body, wherein a power mechanism is arranged outside the machine body and used for power driving of equipment inside the machine body, and a feeding part, a squeezing drying part, a fan drying part and a cooling part are arranged inside the machine body; through squeezing mechanism, first drying cabinet, auxiliary drying subassembly, second drying cabinet are dry in turn, dry cotton is through the feed inlet, the pulp board is hugged closely in the position of main pressure roller to dry cotton, the bottom of main pressure roller is provided with the bottom sprag roller, main pressure roller and bottom sprag roller extrusion dry cotton and pulp board, utilize extrusion force to extrude unnecessary moisture of pulp board, and adsorb extruded moisture through dry cotton, auxiliary pressure roller and bottom pressure roller extrusion pulp board, and adsorb extrusion moisture through the water absorption layer, carry out the fan drying through first drying cabinet and second drying cabinet simultaneously, effectively guarantee drying effect, improve drying efficiency.
Description
Technical Field
The invention relates to the technical field of pulp sheet machines, in particular to an improved device and method for a fan box foundation of a drying part of a pulp sheet machine.
Background
The thick liquid trigger drier is mainly used in the in-process of production paper, dries the thick liquid board of production, and current drier portion adopts stoving dehydration to dry generally, and drying time is long, and drying efficiency is low, and dehydration consumes energy and is big, in carrying out the drying process, often can consume a large amount of energy, and its volume is great, generally needs to occupy great factory building area.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an improved device and method for a fan box foundation of a drying part of a pulp machine, which have the advantages of good drying effect, low energy consumption, low drying efficiency and small occupation area for a factory building.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a thick liquid trigger drier portion fan case foundation improves device, includes the organism, and the outside of organism is provided with power unit, and power unit is used for the power drive of the internal equipment of organism, the inside of organism is provided with feeding portion, squeezes dry part, fan dry part, cooling part, wherein:
the feeding part comprises a feeding hole and a feeding guide roller, the feeding hole is fixedly connected to the outside of the machine body, and the feeding guide roller is movably connected to the inside of the feeding hole;
the squeezing drying part comprises a squeezing mechanism and an auxiliary drying component, and is used for squeezing and drying pulp plates, the squeezing mechanism comprises dry cotton, a driving roller, a squeezing guide roller and a tensioning roller, the dry cotton surrounds the driving roller, the squeezing guide roller and the tensioning roller, the dry cotton passes through a feed inlet, the driving roller and the squeezing guide roller are movably connected in the machine body, a pressure rod is movably connected to the outer part of the tensioning roller, the pressure rod is fixedly connected in the machine body, and a main pressure roller is movably connected to the outer part of the dry cotton;
the auxiliary drying component comprises an auxiliary pressure roller, a water absorption layer is fixedly connected to the outer part of the auxiliary pressure roller, a bottom pressing roller is movably connected to the bottom of the auxiliary pressure roller, a positioning belt is sleeved on the outer part of the bottom pressing roller in a surrounding manner, and an auxiliary guide roller is movably connected to the inner part of the positioning belt;
the fan drying part comprises a fan drying assembly, the fan drying assembly comprises a first drying box and a second drying box, guide rollers are movably connected inside the first drying box and the second drying box, an inlet hot fan and an outlet hot fan are arranged inside the first drying box and the second drying box, and an air duct assembly is arranged outside the inlet hot fan and the outlet hot fan.
Preferably, the outside of dry cotton is provided with first stoving piece, and first stoving piece is used for drying dry cotton, and the outside of water-absorbing layer is provided with the second stoving piece, and the second stoving piece is used for drying the water-absorbing layer.
Preferably, the primary pressure roller and the secondary drying assembly are located at an inlet location and an outlet location of the first drying oven.
Preferably, when the guiding roller arranged inside the first drying box guides the pulp sheet, the pulp sheet is divided into at least five layers, the guiding roller inside the second drying box divides the pulp sheet into S-shaped, five guiding-in hot fans are arranged inside the first drying box, and two guiding-in hot fans are arranged inside the second drying box.
Preferably, the drying temperature of the first drying oven is lower than the drying temperature of the second drying oven, and the temperature difference is set to 10 ℃.
Preferably, the air duct assembly comprises an air inlet duct and an air outlet duct, the air inlet duct is connected with an introduction hot air fan, the air outlet duct is connected with an introduction hot air fan, a plurality of groups of heating rods are fixedly connected in the air inlet duct, the heating rods are arranged at one end of the introduction hot air fan, the heating rods connected with the introduction hot air fan in the first drying box and the second drying box are independently controlled, and different heating temperatures can be adjusted.
Preferably, the air outlet channel is sleeved outside the air inlet channel in a surrounding mode, a heat medium is arranged outside the air outlet channel surrounding portion, and an air outlet is fixedly connected to the outer portion of the air outlet channel.
Preferably, a transition cavity is arranged between the fan drying part and the cooling part, a transition guide roller is movably connected in the transition cavity, the cooling part comprises a cold air box, a guide fan is arranged in the cold air box, the guide fan is communicated with a cold air pump, and a discharging guide roller is movably connected in the outlet position of the cold air box.
Preferably, the pipeline of the cold air pump is arranged in the same way as the design of the air duct assembly, and the air outlet pipe surrounds the outside close to the air pipe.
The method for improving the fan box foundation of the drying part of the pulp machine is realized by using the device for improving the fan box foundation of the drying part of the pulp machine, wherein:
adding a squeezing drying part to the fan drying part, and performing multi-layer drying by using the fan drying part and the squeezing drying part;
dividing the press drying part into a main press part and an auxiliary press part, and carrying out layering press drying by using the main press part and the auxiliary press part;
dividing the fan drying part into two fan drying parts, wherein the drying temperature of the first fan drying part is lower than that of the second fan drying part, and carrying out layered fan drying by using the two fan drying parts;
the main pressing part and the auxiliary pressing part are arranged at the inlet positions of the first fan drying part and the second fan drying part, and the main pressing part, the auxiliary pressing part, the first fan drying part and the second fan drying part are alternately designed;
the air outlet part of the fan drying part surrounds the air inlet part, and the waste heat of the air outlet part is utilized to preheat the air of the air inlet part;
a cooling part is arranged at the pulp board guiding-out position, and the guiding-out pulp board is cooled to the room temperature by the cooling part.
The beneficial effects are that:
1. according to the improved device and the improved method for the fan box foundation of the drying part of the pulp machine, through the squeezing mechanism, the first drying box, the auxiliary drying assembly and the second drying box, drying cotton passes through the feeding hole, the dried cotton clings to the pulp plate at the position of the main pressure roller, the bottom of the main pressure roller is provided with the bottom supporting roller, the main pressure roller and the bottom supporting roller squeeze the dried cotton and the pulp plate, the extrusion force is utilized to extrude redundant moisture of the pulp plate, the dried cotton is used for absorbing the extruded moisture, the auxiliary pressure roller and the bottom pressure roller squeeze the pulp plate, the water absorbing layer is used for absorbing the extruded moisture, and meanwhile, the first drying box and the second drying box are used for carrying out fan drying, so that the drying effect is effectively ensured, and the drying efficiency is improved.
2. According to the improved device and the improved method for the fan box foundation of the drying part of the pulp machine, the first drying block is used for drying and drying cotton, the second drying block is arranged outside the water absorption layer, and the second drying block is used for drying the water absorption layer. Thereby ensuring the use effect of the drying cotton and the water absorption layer and enabling the drying cotton and the water absorption layer to be always kept dry in the process of drying the pulp board.
3. According to the device and the method for improving the fan box foundation of the drying part of the pulp machine, the number of layers of the second drying boxes is redundant through the number of the constructed pulp board layers of the first drying boxes, so that the drying effect of the first drying boxes and the fan is guaranteed, the pulp board can be sufficiently dried, and the drying effect is further improved by finally drying through the second drying boxes.
4. According to the improved device and the improved method for the fan box foundation of the drying part of the pulp machine, the air outlet channel is sleeved outside the air inlet channel in a surrounding mode, a heat medium is arranged outside the surrounding part of the air outlet channel, and an air outlet is fixedly connected to the outside of the air outlet channel. When the inside air of first drying cabinet and second drying cabinet is discharged, first drying cabinet and second drying cabinet pass through the air outlet duct and discharge, and the exhaust air gives the heat transfer to the thermal medium, and the thermal medium heats the inside air of air inlet duct to reach and preheat the air inlet, reach the reduction energy consumption, improve the heating effect to first drying cabinet and second drying cabinet.
5. According to the improved device and the improved method for the fan box foundation of the drying part of the pulp machine, the transition cavity is arranged, so that the heated pulp plate is buffered at a certain temperature, the applicability of the device is guaranteed, overheating is prevented from directly entering supercooling, the slowing effect is achieved, and the using effect of the device is improved.
6. According to the improved device and the improved method for the fan box foundation of the drying part of the pulp machine, the guide fan is arranged in the cold air box and communicated with the cold air pump, and the discharging guide roller is movably connected to the outlet position of the cold air box. Make and export the thick liquid board and can cool to room temperature, make things convenient for the thick liquid board to directly receive the coupon and collect, not keep stand the cooling with the thick liquid board, improve the result of use of the device.
Drawings
FIG. 1 is a schematic diagram of the overall connection of the structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the entire structure of the present invention;
FIG. 3 is a schematic view of the connection of the auxiliary pressure roller and the bottom pressure roller of the structure of the invention;
FIG. 4 is a schematic view of the air duct assembly of the present invention.
In the figure: 1. a body; 2. a feed inlet; 21. a feed guide roller; 3. a pressing mechanism; 31. drying cotton; 32. a drive roll; 33. a pressing guide roller; 34. a first drying block; 35. a tension roller; 36. a pressure rod; 37. a main pressure roller; 38. an auxiliary drying assembly; 381. an auxiliary pressure roller; 382. a water-absorbing layer; 383. a second drying block; 384. a bottom press roller; 385. a positioning belt; 386. an auxiliary guide roller; 4. a fan drying assembly; 41. a first drying oven; 42. a second drying oven; 43. a guide roller; 44. introducing a hot fan; 45. a heat-conducting fan is led out; 46. an air duct assembly; 461. an air inlet duct; 462. an air outlet duct; 463. a thermal medium; 464. an air outlet; 47. a heating rod; 5. a transition chamber; 51. a transition guide roller; 6. a cold air box; 61. a guide fan; 62. a cold air pump; 7. a discharging guide roller; 8. a power mechanism.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples
Referring to fig. 1-4, an improved fan box foundation device for a dryer section of a pulp machine comprises a machine body 1, wherein a power mechanism 8 is arranged outside the machine body 1, the power mechanism 8 is used for power driving of internal equipment of the machine body 1, a feeding part, a pressing and drying part, a fan drying part and a cooling part are arranged inside the machine body 1, and the improved fan box foundation device comprises:
the feeding part comprises a feeding hole 2 and a feeding guide roller 21, the feeding hole 2 is fixedly connected to the outside of the machine body 1, and the feeding guide roller 21 is movably connected to the inside of the feeding hole 2; the formed pulp sheet enters the feed inlet 2 and is guided into the interior of the machine body 1 by the feed guide roller 21.
The squeezing and drying part comprises a squeezing mechanism 3 and an auxiliary drying component 38, and is used for squeezing and drying pulp boards, the squeezing mechanism 3 comprises dry cotton 31, a driving roller 32, a squeezing guide roller 33 and a tensioning roller 35, the dry cotton 31 surrounds the outside of the driving roller 32, the squeezing guide roller 33 and the tensioning roller 35, the dry cotton 31 passes through the feeding hole 2, the driving roller 32 and the squeezing guide roller 33 are both movably connected in the machine body 1, a pressure rod 36 is movably connected to the outside of the tensioning roller 35, the pressure rod 36 is fixedly connected in the machine body 1, and a main pressure roller 37 is movably connected to the outside of the dry cotton 31; the dry cotton 31 passes through the feed inlet 2, the dry cotton 31 clings to the pulp board at the position of the main pressure roller 37, a bottom supporting roller is arranged at the bottom of the main pressure roller 37, the main pressure roller 37 and the bottom supporting roller squeeze the dry cotton 31 and the pulp board, the extra moisture of the pulp board is squeezed by utilizing the squeezing force, and the squeezed moisture is adsorbed by the dry cotton 31.
The auxiliary drying component 38 comprises an auxiliary pressure roller 381, a water absorbing layer 382 is fixedly connected to the outer part of the auxiliary pressure roller 381, a bottom pressing roller 384 is movably connected to the bottom of the auxiliary pressure roller 381, a positioning belt 385 is sleeved around the outer part of the bottom pressing roller 384, and an auxiliary guide roller 386 is movably connected to the inner part of the positioning belt 385; the pulp sheet is pressed by the auxiliary pressure roller 381 and the bottom pressure roller 384, and the pressed moisture is adsorbed by the water absorbing layer 382.
The fan drying part comprises a fan drying assembly 4, the fan drying assembly 4 comprises a first drying box 41 and a second drying box 42, guide rollers 43 are movably connected inside the first drying box 41 and the second drying box 42, an inlet thermal fan 44 and an outlet thermal fan 45 are arranged inside the first drying box 41 and the second drying box 42, and an air duct assembly 46 is arranged outside the inlet thermal fan 44 and the outlet thermal fan 45.
Wherein, the outside of dry cotton 31 is provided with first stoving piece 34, and first stoving piece 34 is used for drying dry cotton 31, and the outside of water absorption layer 382 is provided with second stoving piece 383, and second stoving piece 383 is used for drying water absorption layer 382. Thereby ensuring the use effect of the dry cotton 31 and the water absorbing layer 382 and keeping the dry cotton 31 and the water absorbing layer 382 dry all the time in the process of drying the pulp sheet.
Wherein the primary pressure roller 37 and the secondary drying assembly 38 are located at the inlet and outlet positions of the first drying box 41. And when the main pressure roller 37 and the auxiliary pressure roller 381 squeeze the pulp board, the dry cotton 31 and the water absorbing layer 382 are respectively contacted with the front surface and the back surface of the pulp board, and meanwhile, the pulp board is dried by the first drying box 41 in the first process, and the later process is squeezed and dried again, so that the squeezing and drying effects are effectively ensured, and the drying effect on the pulp board is ensured.
Wherein, the guide roller 43 arranged inside the first drying box 41 divides the pulp into at least five layers when guiding the pulp, the guide roller 43 inside the second drying box 42 divides the pulp into S-shaped, five guiding hot air fans 44 are arranged inside the first drying box 41, and two guiding hot air fans 44 are arranged inside the second drying box 42. The number of layers of the second drying boxes 42 is increased by the number of layers of the slurry layers formed in the first drying boxes 41, the drying effect of the first drying boxes 41 and the fan is ensured, the slurry plates can be sufficiently dried, and the final drying is performed through the second drying boxes 42, so that the drying effect is further improved.
Wherein the drying temperature of the first drying oven 41 is lower than that of the second drying oven 42, and the temperature difference thereof is set to 10 ℃. The deep moisture of the pulp sheet can be further dried by increasing the temperature of the second drying box 42.
The air duct assembly 46 includes an air inlet duct 461 and an air outlet duct 462, the air inlet duct 461 is connected with the heat-introducing fan 44, the air outlet duct 462 is connected with the heat-introducing fan 45, a plurality of groups of heating rods 47 are fixedly connected in the air inlet duct 461, the heating rods 47 are arranged at one end of the heat-introducing fan 44, the heating rods 47 connected with the heat-introducing fan 44 in the first drying box 41 and the second drying box 42 are independently controlled, and different heating temperatures can be adjusted. When the wind power enters the introduction hot air fan 44, the heating bars 47 heat the entering air, and because the heating bars 47 connected with the introduction hot air fan 44 inside the first drying box 41 and the second drying box 42 are independently controlled, the heating bars 47 inside the first drying box 41 and the second drying box 42 can control different temperatures for heating, thereby achieving the effect of adjusting the temperature difference formed by the first drying box 41 and the second drying box 42.
Wherein, the air outlet 462 is sleeved outside the air inlet 461, the heat medium 463 is arranged outside the surrounding part of the air outlet 462, and the air outlet 464 is fixedly connected outside the air outlet 462. When the internal air of the first drying box 41 and the second drying box 42 is discharged, the first drying box 41 and the second drying box 42 are discharged through the air outlet duct 462, the heat is transferred to the heat medium 463 by the discharged air, and the heat medium 463 heats the internal air of the air inlet duct 461, so that the air inlet is preheated, the energy consumption is reduced, and the heating effect of the first drying box 41 and the second drying box 42 is improved.
Wherein, be provided with transition chamber 5 between fan drying part and the cooling part, the inside swing joint in transition chamber 5 has transition deflector roll 51, through setting up transition chamber 5, makes the thick liquid board possess certain temperature buffering after the heating, guarantees the suitability of the device, avoids overheated direct entering supercooling, slows down the effect, improves the result of use of the device.
The cooling part comprises a cold air box 6, a guide fan 61 is arranged in the cold air box 6, the guide fan 61 is communicated with a cold air pump 62, and the outlet position of the cold air box 6 is movably connected with a discharging guide roller 7. Make and export the thick liquid board and can cool to room temperature, make things convenient for the thick liquid board to directly receive the coupon and collect, not keep stand the cooling with the thick liquid board, improve the result of use of the device.
The arrangement of the pipes of the cold air pump 62 is the same as the design of the air duct assembly 46, and the air outlet pipe surrounds the outside of the air outlet pipe. Further reducing energy loss.
The method for improving the fan box foundation of the drying part of the pulp machine is realized by using the device for improving the fan box foundation of the drying part of the pulp machine, wherein:
adding a squeezing drying part to the fan drying part, and performing multi-layer drying by using the fan drying part and the squeezing drying part;
dividing the press drying part into a main press part and an auxiliary press part, and carrying out layering press drying by using the main press part and the auxiliary press part;
dividing the fan drying part into two fan drying parts, wherein the drying temperature of the first fan drying part is lower than that of the second fan drying part, and carrying out layered fan drying by using the two fan drying parts;
the main pressing part and the auxiliary pressing part are arranged at the inlet positions of the first fan drying part and the second fan drying part, and the main pressing part, the auxiliary pressing part, the first fan drying part and the second fan drying part are alternately designed;
the air outlet part of the fan drying part surrounds the air inlet part, and the waste heat of the air outlet part is utilized to preheat the air of the air inlet part;
a cooling part is arranged at the pulp board guiding-out position, and the guiding-out pulp board is cooled to the room temperature by the cooling part.
The working process is as follows: the formed pulp board enters the feeding hole 2 and enters the machine body 1 through the guide of the feeding guide roller 21, the dry cotton 31 passes through the feeding hole 2, the dry cotton 31 clings to the pulp board at the position of the main pressure roller 37, the bottom of the main pressure roller 37 is provided with a bottom supporting roller, the main pressure roller 37 and the bottom supporting roller extrude the dry cotton 31 and the pulp board, the extra moisture of the pulp board is extruded by extrusion force, the extruded moisture is absorbed by the dry cotton 31, after the primary squeezing drying is carried out, the pulp board enters the first drying box 41, a multi-layer structure is formed under the guiding action of the guide roller 43, the air is led in by the hot fan 44, the air is led out by the hot fan 45, the air is led out by the hot fan 41, and when wind enters the hot air fan 44, the air is heated by the heating rod 47, so that the heating rod 47 in the first drying box 41 controls different heating temperatures, the pulp board is dried by high-temperature air, and the pulp board enters the auxiliary drying assembly 38 after the drying of the first drying box 41.
The pulp sheet enters between the auxiliary pressure roller 381 and the bottom pressure roller 384, is subjected to secondary squeezing drying through the auxiliary drying component 38, enters the inside of the second drying box 42 after being subjected to secondary drying, is subjected to drying through the second drying box 42, then enters the transition cavity 5, enters the inside of the cold air box 6 after being guided by the transition guide roller 51 in the transition cavity 5, is cooled by the guide fan 61 and the cold air pump 62, the cold air pump 62 forms cooling air flow, and the guide fan 61 uniformly diffuses the cooled air into the inside of the cold air box 6, so that the pulp sheet is cooled to room temperature, and is guided out through the discharging guide roller 7.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a thick liquid trigger drier portion fan case foundation improves device, includes organism (1), and the outside of organism (1) is provided with power unit (8), and power unit (8) are used for the power drive of organism (1) internal equipment, its characterized in that: the inside of organism (1) is provided with feeding portion, squeeze drying part, fan drying part, cooling part, wherein:
the feeding part comprises a feeding hole (2) and a feeding guide roller (21), the feeding hole (2) is fixedly connected to the outside of the machine body (1), and the feeding guide roller (21) is movably connected to the inside of the feeding hole (2);
the squeezing drying part comprises a squeezing mechanism (3) and an auxiliary drying component (38) and is used for squeezing and drying pulp boards, the squeezing mechanism (3) comprises a drying cotton (31), a driving roller (32), a squeezing guide roller (33) and a tensioning roller (35), the drying cotton (31) surrounds the outside of the driving roller (32), the squeezing guide roller (33) and the tensioning roller (35), the drying cotton (31) passes through the feeding hole (2), the driving roller (32) and the squeezing guide roller (33) are both movably connected in the machine body (1), a pressure rod (36) is movably connected in the outside of the tensioning roller (35), the pressure rod (36) is fixedly connected in the machine body (1), and a main pressure roller (37) is movably connected in the outside of the drying cotton (31);
the auxiliary drying component (38) comprises an auxiliary pressure roller (381), a water absorption layer (382) is fixedly connected to the outer part of the auxiliary pressure roller (381), a bottom pressing roller (384) is movably connected to the bottom of the auxiliary pressure roller (381), a positioning belt (385) is sleeved on the outer part of the bottom pressing roller (384), and an auxiliary guide roller (386) is movably connected to the inner part of the positioning belt (385);
the fan drying part comprises a fan drying assembly (4), the fan drying assembly (4) comprises a first drying box (41) and a second drying box (42), guide rollers (43) are movably connected inside the first drying box (41) and the second drying box (42), an inlet hot fan (44) and an outlet hot fan (45) are arranged inside the first drying box (41) and the second drying box (42), and an air duct assembly (46) is arranged outside the inlet hot fan (44) and the outlet hot fan (45);
the outside of the drying cotton (31) is provided with a first drying block (34), the first drying block (34) is used for drying the drying cotton (31), the outside of the water absorption layer (382) is provided with a second drying block (383), and the second drying block (383) is used for drying the water absorption layer (382);
when the guiding rollers (43) arranged in the first drying box (41) are used for guiding the pulp sheet, the pulp sheet is divided into at least five layers, the pulp sheet is divided into S-shaped parts by the guiding rollers (43) in the second drying box (42), five guiding hot air fans (44) are arranged in the first drying box (41), and two guiding hot air fans (44) are arranged in the second drying box (42);
the air duct assembly (46) comprises an air inlet duct (461) and an air outlet duct (462), the air inlet duct (461) is connected with the leading-in hot fan (44), the air outlet duct (462) is connected with the leading-out hot fan (45), a plurality of groups of heating rods (47) are fixedly connected to the inside of the air inlet duct (461), the heating rods (47) are arranged at one end of the leading-in hot fan (44), the heating rods (47) connected with the leading-in hot fan (44) in the first drying box (41) and the second drying box (42) are independently controlled, and different heating temperatures can be adjusted.
2. The improved fan box foundation apparatus for a dryer section of a pulp mill according to claim 1, wherein: the main pressure roller (37) and the auxiliary drying assembly (38) are located at the inlet position and the outlet position of the first drying box (41).
3. The improved fan box foundation apparatus for a dryer section of a pulp mill according to claim 2, wherein: the drying temperature of the first drying oven (41) is lower than the drying temperature of the second drying oven (42), and the temperature difference is set to 10 ℃.
4. A pulp mill dryer section fan box foundation improvement device according to claim 3, wherein: the air outlet channel (462) is sleeved outside the air inlet channel (461), a heat medium (463) is arranged outside the surrounding part of the air outlet channel (462), and an air outlet (464) is fixedly connected to the outside of the air outlet channel (462).
5. The improved fan box foundation apparatus for the dryer section of a pulp machine according to claim 4, wherein: a transition cavity (5) is arranged between the fan drying part and the cooling part, a transition guide roller (51) is movably connected in the transition cavity (5), the cooling part comprises a cold air box (6), a guide fan (61) is arranged in the cold air box (6), the guide fan (61) is communicated with a cold air pump (62), and a discharging guide roller (7) is movably connected at the outlet position of the cold air box (6).
6. The improved fan box foundation apparatus for a dryer section of a pulp mill according to claim 5, wherein: the arrangement of the pipeline of the cold air pump (62) is the same as the design of the air duct component (46), and the air outlet pipe surrounds the outside close to the air pipe.
7. A method for improving the foundation of a fan box of a dryer of a pulp machine, which is realized by using the improved device for the foundation of the fan box of the dryer of the pulp machine according to any one of claims 1 to 6, and is characterized in that:
adding a squeezing drying part to the fan drying part, and performing multi-layer drying by using the fan drying part and the squeezing drying part;
dividing the press drying part into a main press part and an auxiliary press part, and carrying out layering press drying by using the main press part and the auxiliary press part;
dividing the fan drying part into two fan drying parts, wherein the drying temperature of the first fan drying part is lower than that of the second fan drying part, and carrying out layered fan drying by using the two fan drying parts;
the main pressing part and the auxiliary pressing part are arranged at the inlet positions of the first fan drying part and the second fan drying part, and the main pressing part, the auxiliary pressing part, the first fan drying part and the second fan drying part are alternately designed;
the air outlet part of the fan drying part surrounds the air inlet part, and the waste heat of the air outlet part is utilized to preheat the air of the air inlet part;
a cooling part is arranged at the pulp board guiding-out position, and the guiding-out pulp board is cooled to the room temperature by the cooling part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210062671.5A CN114438827B (en) | 2022-01-19 | 2022-01-19 | Device and method for improving fan box foundation of drying part of pulp machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210062671.5A CN114438827B (en) | 2022-01-19 | 2022-01-19 | Device and method for improving fan box foundation of drying part of pulp machine |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2370049Y (en) * | 1999-04-26 | 2000-03-22 | 广东源隆纸浆模塑机械有限公司 | Drier for pulp model product |
| CN201209230Y (en) * | 2008-04-14 | 2009-03-18 | 潍坊凯信机械有限公司 | Sandwich weaved air borne drying pulp board machine |
| CN201214734Y (en) * | 2008-04-30 | 2009-04-01 | 宜宾长毅浆粕有限责任公司 | Pulp machine for producing viscose fiber pulp |
| CN202099696U (en) * | 2011-06-01 | 2012-01-04 | 重庆理文造纸有限公司 | Drying device for bamboo pulp air cushions |
| CN109183491A (en) * | 2018-10-19 | 2019-01-11 | 湖南三匠人科技有限公司 | A kind of pulp machine |
| WO2020035318A1 (en) * | 2018-08-14 | 2020-02-20 | Voith Patent Gmbh | Paper machine and method for producing a paper or paperboard web |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MX2016007305A (en) * | 2013-12-06 | 2016-08-04 | Abzac Canada Inc | Method for handling and drying cardboard tubes. |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2370049Y (en) * | 1999-04-26 | 2000-03-22 | 广东源隆纸浆模塑机械有限公司 | Drier for pulp model product |
| CN201209230Y (en) * | 2008-04-14 | 2009-03-18 | 潍坊凯信机械有限公司 | Sandwich weaved air borne drying pulp board machine |
| CN201214734Y (en) * | 2008-04-30 | 2009-04-01 | 宜宾长毅浆粕有限责任公司 | Pulp machine for producing viscose fiber pulp |
| CN202099696U (en) * | 2011-06-01 | 2012-01-04 | 重庆理文造纸有限公司 | Drying device for bamboo pulp air cushions |
| WO2020035318A1 (en) * | 2018-08-14 | 2020-02-20 | Voith Patent Gmbh | Paper machine and method for producing a paper or paperboard web |
| CN109183491A (en) * | 2018-10-19 | 2019-01-11 | 湖南三匠人科技有限公司 | A kind of pulp machine |
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| CN114438827A (en) | 2022-05-06 |
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