CN109797596B - Production process of dry-wet combined toilet paper - Google Patents
Production process of dry-wet combined toilet paper Download PDFInfo
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- CN109797596B CN109797596B CN201910065972.1A CN201910065972A CN109797596B CN 109797596 B CN109797596 B CN 109797596B CN 201910065972 A CN201910065972 A CN 201910065972A CN 109797596 B CN109797596 B CN 109797596B
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Abstract
The invention discloses a production process of dry-wet combined toilet paper, which comprises the following steps: s1, preparing slurry; s2, grinding the slurry; s3, slurry conveying; s4, forming paper sheets; s5, calendering the paper sheet; s6, drying the paper; s7, processing paper sheets; and S8, packaging the paper sheets. In the invention, when the toilet paper is processed, the formed paper sheet is calendered by the calendering device, so that the paper sheet can be dewatered by the high-temperature main compression roller while being calendered, and the surface of the paper sheet has a smooth surface.
Description
Technical Field
The invention relates to a toilet paper calendering technology, in particular to a production process of dry-wet combined toilet paper.
Background
Nowadays, in the production of toilet paper, when toilet paper forms, need will dewater toilet paper through crowded water roller, then rethread drying equipment, with toilet paper stoving to form toilet paper. Although the process method is simple and has lower cost, the manufactured sanitary toilet paper is rough, the surface of the sanitary toilet paper is usually full of dents, and the sanitary toilet paper has stronger uncomfortable feeling when in use.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, it is an object of the present invention to provide a process for producing dry and wet combined toilet paper, which has a smooth surface, thereby improving the comfort during use.
In order to achieve the above objects and other related objects, the present invention provides a process for producing dry and wet combined toilet paper, comprising the steps of:
s1, preparing slurry: firstly, putting wood pulp into a single-turntable hydraulic pulper, adding 56% of white water into the hydraulic pulper, starting an impeller, disintegrating for 25min, then adding the white water to a full liquid level, pumping the pulp into a centrifugal desander through a pulp pumping pump, and removing sand particles impurities carried in the pulp under the action of centrifugal force;
s2, grinding slurry: conveying the prepared slurry into a double-sided grinding disc, and further refining the slurry;
s3, slurry conveying: the refined slurry is conveyed into a high-level material box through a slurry feeding pump, an outlet is arranged at the lower part of the high-level material box and is connected with a slurry flushing pump, a filter sieve is arranged at the outlet of the slurry flushing pump, and the slurry is conveyed into a pressure type slurry box through the slurry flushing pump, is filtered through the filter sieve for the last time;
s4, forming paper sheets: the slurry forms turbulence in a pressure type head box, is ejected out of a lip opening of the head box in a film shape, enters a vacuum cylinder mould, and is sucked by the vacuum cylinder mould to form paper;
s5, calendering the paper sheet: the formed paper sheet is calendered by a calendering device;
the calendaring device comprises a rack, wherein a guide wheel mechanism, a preheating mechanism and a calendaring mechanism are arranged on the rack;
the calender mechanism comprises a main press roll and an auxiliary press roll, wherein the main press roll and the auxiliary press roll are respectively installed on a rack through press roll supporting frames, the main press roll is driven to rotate through a driving motor, the main press roll is arranged below the auxiliary press roll, a calendering channel is formed between the main press roll and the auxiliary press roll, the calendering channel is adaptive to the thickness of paper, and the paper is connected with a traction mechanism after passing through the calendering channel;
the main compression roller comprises an outer barrel and an inner barrel, a heating channel is formed in a gap between the outer barrel and the inner barrel, high-temperature oil is arranged in the heating channel, the outer barrel is driven to rotate by the driving motor, the inner barrel is statically arranged in the outer barrel, an oil inlet and outlet barrel is further arranged in the inner barrel, one end of the oil inlet and outlet barrel is fixed with one end of the inner barrel in a sealing mode, the other end of the oil inlet and outlet barrel penetrates through the inner barrel and the outer barrel in sequence and is connected with an oil supply system and an oil return system, the oil inlet and outlet barrel is communicated with the heating channel through a plurality of oil channels, the oil channels are uniformly distributed on the oil inlet and outlet barrel, and the outer barrel, the inner barrel and the oil inlet and outlet barrel are coaxially arranged;
s6, drying paper sheets: drying the paper sheets in a dryer;
s7, processing paper sheets: conveying the calendered paper sheets to a paper rolling cylinder through an arc roller for rolling, and rewinding and cutting after weighing the paper rolls;
s8, packaging paper sheets: and (4) conveying the cut paper sheets to a subsequent workshop, packaging and sterilizing the paper sheets by a packaging machine to obtain a semi-finished product, and finally sealing the semi-finished product by a sealing machine.
Optionally, in step S1, the wood pulp includes long fiber wood pulp and short fiber wood pulp.
Optionally, the weight ratio of the long fiber wood pulp to the short fiber wood pulp is 2-2.5.
Optionally, the long fiber wood pulp is bleached softwood pulp.
Optionally, the staple wood pulp is eucalyptus wood pulp.
Optionally, in step S5, the preheating temperature of the paper sheet in the preheating mechanism is 40 to 50 ℃.
Optionally, in step S5, the temperature of the high-temperature oil liquid is 90 to 98 ℃.
Alternatively, in step S5, the sheet passes through the guide roller mechanism, the preheating mechanism, and the calendering mechanism in this order, and finally the calendered sheet is output.
Optionally, when the paper sheets sequentially pass through the guide wheel mechanism, the preheating mechanism and the calendaring mechanism, the paper sheets are always kept in a horizontal state.
Optionally, in step S5, the inner cylinder is kept stationary by the stopper when the driving motor drives the outer cylinder to rotate.
By adopting the technical scheme, when the toilet paper is processed, the formed paper sheets are calendered by the calendering device, so that the paper sheets can be dewatered by the high-temperature main compression roller while being calendered, the surfaces of the paper sheets are smooth, and at the stage, the smooth surfaces of the paper sheets can be stabilized by high-temperature hot pressing and then dried by the dryer, so that the toilet paper produced by the production process has smooth surfaces, and the comfort in use is improved. In addition, the calendering device adopted by the invention has uniform roll surface temperature distribution, reduces energy consumption, improves the use effect of the main compression roller and ensures the smoothness of paper.
Drawings
FIG. 1 is a schematic view of the structure of a calendering apparatus of the present invention;
FIG. 2 is a schematic view of the main press roll of the calendering apparatus of the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is an enlarged view of portion B of FIG. 2;
FIG. 5 is an enlarged view of section D of FIG. 2;
FIG. 6 is an enlarged view of section D of FIG. 3;
FIG. 7 is a process flow diagram of the present invention.
Detailed Description
The invention will be further explained by the description of the embodiments with reference to the drawings.
As shown in figure 7, the invention discloses a production process of dry-wet combined toilet paper, which comprises the following steps:
s1, preparing slurry: firstly, putting wood pulp into a single-turntable hydraulic pulper, adding 56% of white water into the hydraulic pulper, starting an impeller, disintegrating for 25min, then adding the white water to a full liquid level, pumping the pulp into a centrifugal desander through a pulp pumping pump, and removing sand particles impurities carried in the pulp under the action of centrifugal force;
the wood pulp comprises long fiber wood pulp and short fiber wood pulp, the weight ratio of the long fiber wood pulp to the short fiber wood pulp is 2-2.5, in the embodiment, the long fiber wood pulp is bleached softwood pulp, and the short fiber wood pulp is eucalyptus wood pulp;
s2, grinding slurry: conveying the prepared slurry into a double-sided grinding disc, and further refining the slurry;
s3, slurry conveying: the refined slurry is conveyed into a high-level material box through a slurry feeding pump, an outlet is arranged at the lower part of the high-level material box and is connected with a slurry flushing pump, a filter sieve is arranged at the outlet of the slurry flushing pump, and the slurry is conveyed into a pressure type slurry box through the slurry flushing pump, is filtered through the filter sieve for the last time;
s4, forming paper sheets: the slurry forms turbulence in a pressure type head box, is ejected out of a lip opening of the head box in a film shape, enters a vacuum cylinder mould, and is sucked by the vacuum cylinder mould to form paper;
s5, calendering the paper sheet: the formed paper sheet is calendered by a calendering device;
wherein, when calendering, the paper sheet preheats through the preheating mechanism 4 of calendering device, and its preheating temperature is 40 ~ 50 ℃.
S6, drying paper sheets: drying the paper sheets in a dryer;
s7, processing paper sheets: conveying the calendered paper sheets to a paper rolling cylinder through an arc roller for rolling, and rewinding and cutting after weighing the paper rolls;
s8, packaging paper sheets: and (4) conveying the cut paper sheets to a subsequent workshop, packaging and sterilizing the paper sheets by a packaging machine to obtain a semi-finished product, and finally sealing the semi-finished product by a sealing machine.
As shown in fig. 1 to 3, the calendering device used in step S5 includes a frame 1, a guide wheel mechanism 3, a preheating mechanism 4, and a calendering mechanism 5 are provided on the frame 1, the paper passes through the guide wheel mechanism 3, the preheating mechanism 4, and the calendering mechanism 5 in sequence, and finally outputs calendered paper, and the paper is kept horizontal all the time when passing through the guide wheel mechanism 3, the preheating mechanism 4, and the calendering mechanism 5.
In this embodiment, the guide wheel mechanism 3 includes, for example, a pair of guide wheel frames 301 and guide wheels 302 respectively mounted on the guide wheel frames 301, the guide wheel frames 301 are mounted on the frame 1 at a position in front of the calendering mechanism 5, the pair of guide wheels 302 are distributed in an up-down manner, and a gap is formed between the guide wheels 302 to facilitate the paper to pass through, and when the paper passes through the gap between the guide wheels 302, the paper can be guided.
The guided paper is preheated by a preheating mechanism 4 and then calendered by a calendering mechanism 5.
The preheating mechanism 4 includes a preheating block 401, the width of the preheating block 401 covers the width of the sheet, and the preheating blocks 401 also include a pair and are distributed in the up-and-down manner. In order to ensure that the paper can pass through the nip formed by the two preheating blocks 401, the gap between the two preheating blocks 401 should be at least 5 times the thickness of the paper, but should not be too large, and should usually be less than 8 times the thickness of the paper. The preheating block 401 may be, for example, an electric heating block, connected to a power supply system through a wire, and turned on or off by a switch.
The calendering mechanism 5 comprises a main compression roller 501 and an auxiliary compression roller 502, the main compression roller 501 and the auxiliary compression roller 502 are respectively installed on the frame 1 through a compression roller support frame 503, the main compression roller 501 is driven to rotate through a driving motor 504, the main compression roller 501 is arranged below the auxiliary compression roller 502, a calendering channel 2 is formed between the main compression roller 501 and the auxiliary compression roller 502, the calendering channel 2 is adapted to the thickness of paper, and the paper enters the next process after passing through the calendering channel 2.
Specifically, as shown in fig. 2, the main pressure roller 501 includes an outer cylinder 7 and an inner cylinder 8, a heating channel 9 is formed in a gap between the outer cylinder 7 and the inner cylinder 8, high-temperature oil is contained in the heating channel 9, the temperature of the high-temperature oil is 90 to 98 ℃, the outer cylinder 7 is driven to rotate by a driving motor 504, the inner cylinder 8 is statically arranged in the outer cylinder 7, an oil inlet and outlet cylinder 10 is further arranged in the inner cylinder 8, one end of the oil inlet and outlet cylinder 10 is fixed to one end of the inner cylinder 8 in a sealing manner, the other end of the oil inlet and outlet cylinder 10 penetrates through the inner cylinder 8 and the outer cylinder 7 in sequence and is connected with an oil supply system and an oil return system, the oil inlet and outlet cylinder 10 is communicated with the heating channel 9 through a plurality of oil channels 11, the length of the oil channels 11 is adapted to the length of the oil inlet and outlet cylinder 10, specifically, for example, 3 oil channels 11 are arranged to form an included angle of 120 ° on a cross section of the oil inlet and outlet cylinder 10. The outer cylinder 7, the inner cylinder 8 and the oil inlet and outlet cylinder 10 are coaxially arranged. Under the driving of the driving motor 504, the outer cylinder 7 rotates along with the driving motor 504, while the inner cylinder 8 keeps a static state relative to the frame 1, and high-temperature oil is introduced into the oil inlet and outlet cylinder 10 through an oil supply system, and then the high-temperature oil is provided into the heating channel 9 through the oil channel 11, so as to realize the surface temperature of the outer cylinder 7.
In this embodiment, the outer cylinder 7 includes an outer cylinder 701, and a first end plate 702 and a second end plate 703 provided at two ends of the outer cylinder 701, wherein the first end plate 702 and the second end plate 703 are respectively sealed and fixedly connected to two ends of the outer cylinder 701.
The first shaft 12 is fixedly installed at the outer center of the first end plate 702, the first shaft 12 is installed on the compression roller support frame 503 through a first bearing 13, and the first shaft 12 is in transmission connection with the driving motor 504 to drive the outer cylinder 7 to rotate.
A second shaft 14 is fixedly installed at the outer center of the second end plate 703, the second shaft 14 is installed on the roll supporting frame 503 through a second bearing 15, the second shaft 14 is arranged concentrically with the first shaft 12, the second shaft 14 is a hollow shaft, and the end of the oil inlet/outlet cylinder 10 penetrating through the inner cylinder 8 and the outer cylinder 7 penetrates through the inner cylinder 8 and the outer cylinder 7 through the hollow part of the second shaft 14.
In order to ensure the strength of the transmission structure of the outer cylinder 7, the first shaft 12 and the second shaft 14 may be respectively provided integrally with the first end plate 702 and the second end plate 703 of the outer cylinder 7, specifically, for example, the first shaft 12 is formed by protruding outward from the outer center of the first end plate 702, and the second shaft 14 is formed by protruding outward from the outer center of the second end plate 703.
The inner cylinder 8 of this embodiment includes an inner cylinder 801, and a third end plate 802 and a fourth end plate 803 respectively distributed at two ends of the inner cylinder 801, the third end plate 802 and the fourth end plate 803 are respectively fixed to the inner cylinder 801 in a sealing manner, and a heating channel 9 is formed between the outer wall of the inner cylinder 801 and the inner wall of the outer cylinder 701. When calendering paper, high temperature fluid is through at heating channel 9 inner loop to carry out the heat transfer to outer barrel 701, thereby make outer barrel 701 heat up, and then guarantee that the paper carries out the calendering under the state of high temperature, improved the smoothness degree of paper.
As shown in fig. 4, the third shaft 16 is disposed at the outer center of the third end plate 802, the inner center of the first end plate 702 has an inwardly recessed groove 704, the axis of the groove 704 coincides with the axis of the third shaft 16, and the cross section of the groove 704 is cylindrical, and one end of the third shaft 16 away from the third end plate 802 is rotatably supported in the groove 704 by a third bearing 17. Specifically, the groove bottom of the groove 704 extends toward the first shaft 12, so that the first shaft 12 forms a hollow portion at the root portion integrally connected to the first end plate 702, and the third shaft 16 and the third bearing 17 are located in the hollow portion. One end of the oil inlet and outlet cylinder 10 close to the third end plate 802 is hermetically and fixedly connected with the third end plate 802, the center of the fourth end plate 803 is fixedly connected with the outer wall of the oil inlet and outlet cylinder 10 to improve the sealing performance of the inner cylinder 8, and the part of the oil inlet and outlet cylinder 10 located in the second shaft 14 is rotationally connected with the inner wall of the second shaft 14 through the fourth bearing 25.
In this embodiment, as shown in fig. 2, a stop rod 6 is fixedly installed at an end of the oil inlet/outlet cylinder 10 penetrating through the second shaft 14, and the stop rod 6 is fixedly connected with the frame 1, so as to effectively prevent the inner cylinder 8 and the oil inlet/outlet cylinder 10 from rotating with the outer cylinder 7.
In order to ensure that the high-temperature oil has an inlet and outlet loop when the high-temperature oil is provided to the heating channel 9, an oil inlet cavity 18 and an oil outlet cavity 19 can be formed in the oil inlet and outlet cylinder 10 through a plurality of first partition plates 20 and second partition plates 21, the oil inlet cavity 18 is respectively connected with an oil supply system, and the oil outlet cavity 19 is respectively connected with an oil return system. For example, in the present embodiment, there are three oil passages 11, each oil passage 11 is divided into an oil inlet passage 1101 and an oil outlet passage 1102 by the second partition 21, and the oil inlet chamber 18 corresponds to the oil inlet passage 1101 and the oil outlet chamber 19 corresponds to the oil outlet passage 1102. Meanwhile, the oil inlet passage 1101 forms an oil circuit with the oil outlet passage 1102 of the adjacent oil passage 11, and therefore, in one oil passage 11, the oil inlet passage 1101 should be disposed adjacent to the oil outlet passage 1102 of the adjacent oil passage 11. In this embodiment, there are three first partition plates 20 and three second partition plates 21, wherein one end of each second partition plate 21 is respectively disposed at a position close to the inner wall of the outer cylinder 701, and a gap is formed between the other end of each second partition plate 21 and the inner wall of the outer cylinder 701, the size of the gap may be, for example, 0.5 to 1mm, so as to facilitate formation of an oil film, thereby sealing the gap between the second partition plate 21 and the inner wall of the outer cylinder 701, the other end of each second partition plate 21 intersects with the axis of the oil inlet/outlet cylinder 10, one end of each first partition plate 20 is connected to the intersection of the second partition plates 21, and the other end of each first partition plate 20 is connected to the inner wall of the oil inlet/outlet cylinder 10. More specifically, in the embodiment, the included angle of the three first partition plates 20 is 120 °, the included angle of the three second partition plates 21 is also 120 °, and the first partition plates 20 and the second partition plates 21 are distributed at intervals, so that the oil inlet passage 1101 is communicated with the oil inlet cavity 18, the oil outlet passage 1102 is communicated with the oil outlet cavity 19, and at the part of the oil inlet and outlet cylinder 10 penetrating through the inner cylinder 8, the first partition plate 20 replaces the second partition plate 21, so that the part of the oil inlet and outlet cylinder 10 penetrating through the inner cylinder 8 also has the oil inlet cavity 18 and the oil outlet cavity 19.
As shown in fig. 3, in order to ensure that the oil flow rate of the oil passage 11 is consistent, a stopping passage 22 may be installed in each of the oil inlet passage 1101 and the oil outlet passage 1102, the external section of the stopping passage 22 is consistent with the oil inlet passage 1101 and the oil outlet passage 1102 respectively, the inside of the stopping passage 22 is a long strip-shaped passage communicating both ends of the oil inlet passage 1101 and both ends of the oil outlet passage 1102, and the specification of all the stopping passages 22 is consistent. One end of the stopping passage 22 far from the second partition plate 21 is fixed with the inner wall of the oil passage 11, so that the second partition plate 21 can be supported, and the stability of the second partition plate 21 is improved.
As shown in fig. 6, in the present embodiment, in order to make it easier for oil to flow from the oil inlet passage 1101 into the heating passage 9 and from the heating passage 9 into the oil outlet passage 1102, baffle blocks 24 having arc-shaped portions 23 are fixedly mounted on both sides of the end portion of the second partition plate 21 close to the outer cylinder 701, two baffle blocks 24 mounted on the end portion of the same second partition plate 21 are symmetrically arranged, and the arc-shaped portions 23 of the baffle blocks 24 face the side away from the second partition plate 21.
As shown in fig. 5, in this embodiment, a gap, which may be, for example, 0.5 to 1mm, is formed between both ends of the inner cylinder 801 and the first end plate 702 and the second end plate 703 of the outer cylinder 7, and when the outer cylinder 7 rotates, the high-temperature oil entering the heating passage 9 forms an oil film in the gap, which seals the gap on one hand, and prevents the oil from entering the gap between the first end plate 702 and the third end plate 802 and the gap between the second end plate 703 and the fourth end plate 803, and on the other hand, can lubricate the outer cylinder 7 and the inner cylinder 8.
In the invention, when the toilet paper is processed, the formed paper sheet is calendered by the calendering device, so that the paper sheet can be dewatered by the high-temperature main compression roller while being calendered, and the surface of the paper sheet has a smooth surface. In addition, the calendering device adopted by the invention has uniform roll surface temperature distribution, reduces energy consumption, improves the use effect of the main compression roller and ensures the smoothness of paper.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (10)
1. A production process of dry-wet combined toilet paper is characterized by comprising the following steps:
s1, preparing slurry: firstly, putting wood pulp into a single-turntable hydraulic pulper, adding 56% of white water into the hydraulic pulper, starting an impeller, disintegrating for 25min, then adding the white water to a full liquid level, pumping the pulp into a centrifugal desander through a pulp pumping pump, and removing sand particles impurities carried in the pulp under the action of centrifugal force;
s2, grinding slurry: conveying the prepared slurry into a double-sided grinding disc, and further refining the slurry;
s3, slurry conveying: the refined slurry is conveyed into a high-level material box through a slurry feeding pump, an outlet is arranged at the lower part of the high-level material box and is connected with a slurry flushing pump, a filter sieve is arranged at the outlet of the slurry flushing pump, and the slurry is conveyed into a pressure type slurry box through the slurry flushing pump, is filtered through the filter sieve for the last time;
s4, forming paper sheets: the slurry forms turbulence in a pressure type head box, is ejected out of a lip opening of the head box in a film shape, enters a vacuum cylinder mould, and is sucked by the vacuum cylinder mould to form paper;
s5, calendering the paper sheet: the formed paper sheet is calendered by a calendering device;
the calendering device comprises a rack (1), wherein a guide wheel mechanism (3), a preheating mechanism (4) and a calendering mechanism (5) are arranged on the rack (1);
the calendering mechanism (5) comprises a main compression roller (501) and an auxiliary compression roller (502), the main compression roller (501) and the auxiliary compression roller (502) are respectively installed on the rack (1) through compression roller support frames (503), the main compression roller (501) is driven to rotate through a driving motor (504), the main compression roller (501) is arranged below the auxiliary compression roller (502), a calendering channel (2) is formed between the main compression roller (501) and the auxiliary compression roller (502), the calendering channel (2) is adaptive to the thickness of paper, and the paper passes through the calendering channel (2) and then is connected with a traction mechanism;
main compression roller (501) are including urceolus (7) and inner tube (8), clearance between urceolus (7) and inner tube (8) forms heating channel (9), has high temperature fluid in heating channel (9), urceolus (7) are passed through driving motor (504) drive rotates, inner tube (8) static set up in urceolus (7), still be equipped with fluid business turn over a section of thick bamboo (10) in inner tube (8), the one end of fluid business turn over a section of thick bamboo (10) is sealed fixed with the one end of inner tube (8), and inner tube (8) and urceolus (7) are worn out in proper order to the other end to with oil feeding system connection and oil return headtotail, fluid business turn over a section of thick bamboo (10) through a plurality of fluid passageways (11) with heating channel (9) intercommunication, fluid passageway (11) even distribution is in fluid business turn over a section of thick bamboo (10), urceolus (7) have, The inner cylinder (8) and the oil inlet and outlet cylinder (10) are coaxially arranged;
s6, drying paper sheets: drying the paper sheets in a dryer;
s7, processing paper sheets: conveying the calendered paper sheets to a paper rolling cylinder through an arc roller for rolling, and rewinding and cutting after weighing the paper rolls;
s8, packaging paper sheets: and (4) conveying the cut paper sheets to a subsequent workshop, packaging and sterilizing the paper sheets by a packaging machine to obtain a semi-finished product, and finally sealing the semi-finished product by a sealing machine.
2. The process for producing dry and wet combined sanitary toilet paper according to claim 1, wherein in step S1, the wood pulp includes long fiber wood pulp and short fiber wood pulp.
3. The production process of the dry-wet combined toilet paper according to claim 2, wherein the weight ratio of the long fiber wood pulp to the short fiber wood pulp is 2-2.5.
4. The process for producing dry and wet combined toilet paper according to claim 3, wherein the long fiber wood pulp is bleached softwood pulp.
5. The process for producing dry and wet combined toilet paper according to claim 3, wherein the short fiber wood pulp is eucalyptus wood pulp.
6. The process for producing dry and wet combined toilet paper according to claim 1, wherein in step S5, the preheating temperature of the paper sheet in the preheating mechanism (4) is 40-50 ℃.
7. The process for producing dry and wet combined toilet paper according to claim 1, wherein in step S5, the temperature of the high-temperature oil is 90-98 ℃.
8. The process for producing dry and wet combined toilet paper according to claim 1, wherein in step S5, the paper sheet passes through the guide wheel mechanism (3), the preheating mechanism (4) and the calendering mechanism (5) in sequence, and finally the calendered paper sheet is output.
9. The production process of the dry-wet combined toilet paper according to the claim 8, characterized in that the paper sheet is always kept in a horizontal state when the paper sheet passes through the guide wheel mechanism (3), the preheating mechanism (4) and the calendering mechanism (5) in turn.
10. The process for producing dry and wet combined toilet paper according to claim 1, wherein in step S5, the inner cylinder (8) is kept stationary by the stopper (6) while the driving motor (504) drives the outer cylinder (7) to rotate.
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| CN201910065972.1A CN109797596B (en) | 2019-01-24 | 2019-01-24 | Production process of dry-wet combined toilet paper |
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| CN201910065972.1A CN109797596B (en) | 2019-01-24 | 2019-01-24 | Production process of dry-wet combined toilet paper |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2927198A1 (en) * | 1979-07-05 | 1981-01-15 | Maschf Augsburg Nuernberg Ag | COOLING ROLLER WITH AN OUTER ROLL COVER AND AN INNER BODY |
| CN202705795U (en) * | 2012-05-23 | 2013-01-30 | 大连明珠机械有限公司 | Toilet paper calender |
| CN105297521B (en) * | 2015-06-10 | 2017-05-17 | 江苏理文造纸有限公司 | Energy-efficient calendering device for cardboard paper with function of adjusting smoothness |
| CN106283821A (en) * | 2016-08-26 | 2017-01-04 | 灵璧县楚汉风纸业有限公司 | A kind of toilet paper production technology |
| CN207314031U (en) * | 2017-09-23 | 2018-05-04 | 东莞市白天鹅纸业有限公司 | An Efficient Calender Roll Heating System |
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