CN112080963A - A kind of high tenacity wet and dry toilet paper and its processing technology - Google Patents

Abstract

The invention discloses a high-toughness wet and dry toilet paper and a processing technology thereof. A high-toughness wet and dry toilet paper comprises the following raw materials in parts by weight: 40-50 parts of straw, 15-20 parts of wood fiber and 5-10 parts of cotton fiber, put the straw into the crushing and screening machine for processing, the screen will divide the straw scraps into long straw fibers and straw powder, put the straw powder into the refiner for processing, and add the long straw fibers to the mill. In the pulper, wood fiber and cotton fiber are added at the same time, the third motor drives the stirring wheel to heat, stir and mix the long fiber pulp, fine powder pulp and liquid medicine A, and the third motor drives the stirring wheel to heat and mix the pulp A and liquid medicine B. After stirring, the reinforced pulp is obtained after stirring evenly, which improves the pulp yield, and improves the bulk and wet strength of the toilet paper.

Description

A kind of high tenacity wet and dry toilet paper and its processing technology

technical field

The invention relates to the technical field of papermaking, in particular to a high-toughness wet and dry toilet paper and a processing technology thereof.

Background technique

Nowadays, toilet paper is one of the indispensable daily paper in people's daily life. The main advantages are easy to use, comfortable, non-reusable, safe and hygienic. In order to make the toilet paper softer, the paper is usually wrinkled by mechanical methods to increase the amount of toilet paper. There are many raw materials for making toilet paper. Cotton pulp, wood pulp, bamboo pulp, straw pulp and other natural and pollution-free raw materials are commonly used. These raw materials have no toxic chemical substances and no raw materials that are irritating to the skin.

The development of toilet paper is rapid, and its raw material is mainly wood pulp, which is made of interwoven fibers, its structure is loose and porous, and it has good air permeability. With the improvement of people's living standards and the strengthening of hygiene awareness, people have put forward new requirements for some household paper. At present, the products are required not only to have high hygroscopicity, but also to have good mechanical properties and not easily break when exposed to water.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a kind of high toughness wet and dry toilet paper and its processing technology, to solve how to improve the toughness and hygroscopicity of the toilet paper, improve the quality and strength of the toilet paper, reduce the environmental pollution in the production process, and avoid water rupture The problem.

The object of the present invention can be realized through the following technical solutions:

A high tenacity wet and dry toilet paper comprises the following raw materials in parts by weight: 40-50 parts of straw, 15-20 parts of wood fiber and 5-10 parts of cotton fiber.

A processing technique of high-toughness wet and dry toilet paper, the processing technique comprises the following production steps:

Step 1: Select raw materials, screen the raw materials according to their types, select high-quality raw materials and weigh them according to the weight ratio, put 40-50 parts of straw, 15-20 parts of wood fiber and 5-10 parts of cotton into clear water respectively Soak and clean in the middle, filter impurities after cleaning, pick up, and dry for use;

Step 2: put the straw prepared in step 1 into the crushing and screening machine for processing, the first motor drives the driving gear, thereby driving the first driven gear and the second driven gear, the driving gear, the first driven gear and the The second driven gear drives the main rotating rod, the first driven rod and the second driven rod respectively connected to rotate, thereby driving the cutting blade to rotate, crushing the straw into straw chips, and the straw chips fall into the screening box In the middle, the discharge port of the crushing box is connected with the feeding port of the screening box through the telescopic cover, the vibrator drives the screening box to vibrate, and the screening box is connected to the device frame through the vibration spring and the connecting rod. Under the strong vibration, the spring is driven to shrink and stretch, which increases the oscillation frequency of the screening box and improves the screening efficiency of the screen in the screening box for the straw chips. The screen divides the straw chips into long straw fibers and straw powder. , the powder passing through the screen falls to the conveyor through the feeding port, and the long straw fibers that do not pass through the screen fall into the feeding box through the connecting pipe, and the long straw fibers are gathered through the feeding box for standby;

Step 3: Put the straw powder prepared in step 2 into the refiner for processing by the conveyor, add clean water to the refining box, the second motor drives the first gear and the second grinding disc to rotate, and the first gear drives the second The gear rotates, and the second gear drives the first grinding disc to rotate. Through the relative movement between the first grinding disc and the second grinding disc, the straw slurry falling between the two is impacted and squeezed, and the straw slurry is gradually ground into Fine powder slurry, the fine powder slurry falls into the bottom of the refining box along with the percolation gap on the second grinding disc, and the fine powder slurry is transported to the heating mixer through the pump and pipeline connected with the discharge valve;

Step 4: Add clean water to the refiner in step 4 for washing, when all the fine powder slurry in step 4 is discharged from the refiner, add the long straw fibers obtained in step 2 into the refiner and mix with clean water , at the same time adding the prepared wood fiber and cotton fiber, the second motor drives the first gear and the second grinding disc to rotate, the first gear drives the second gear to rotate, and the second gear drives the first grinding disc to rotate, through the first grinding disc and the second grinding disc The relative movement between the grinding discs impacts and squeezes the mixed fiber pulp falling between the two, and the mixed fiber pulp is gradually ground into long fiber pulp, which falls into the percolation gap on the second grinding disc. The bottom of the refining box is transported to the heating mixer through the pump and pipeline connected with the discharge valve;

Step 5: Add the liquid medicine A into the heating mixer, close the heating stirring box, and the third motor drives the stirring wheel to heat, stir and mix the long fiber pulp, the fine powder slurry and the liquid medicine A to obtain a mixed slurry, and then the mixed slurry is mixed. Carry out oxygen delignification treatment to obtain slurry A;

Step 6: Put the liquid medicine B into the slurry A, close the heating and stirring box, and the third motor drives the stirring wheel to stir the slurry A and the liquid medicine B, and the strengthened pulp is obtained after stirring evenly;

Step 7: Put the reinforced pulp obtained in Step 6 into the paper sheet forming machine for pressing and suction to form the paper sheet, and then dry, coil, cut and pack the formed paper sheet to finally obtain the finished toilet paper.

As a further solution of the invention, the crushing and screening machine includes a device frame, a crushing box, a dust cover, a first motor, a main rotating rod, a first driven rod, a second driven rod, a driving gear, and a first driven rod. Gear, second driven gear, cutting blade, feeding hopper, support bearing, telescopic cover, screening box, screen, connecting pipe, receiving box, vibrator, mounting frame and receiving port, the crushing box It is fixedly installed on the upper end of the device frame, the center of the upper end of the crushing box is fixedly connected with a feeding hopper, and a main rotating rod, a first driven rod and a second driven rod are arranged in the crushing box. The first driven rod and the second driven rod are arranged in a row in the vertical direction, the main rotation rod is located between the first driven rod and the second driven rod, the main rotation rod, the first driven rod A support bearing is installed on the same side of the rod and the second driven rod. The support bearing passes through the box wall of the crushing box, and the outer ring of the supporting bearing is fixedly connected with the crushing box. The main rotating rod and the first driven rod are And the other side of the second driven rod passes through the box wall of the crushing box and is rotatably connected with the crushing box, the end of the main rotating rod is fixedly connected with the drive shaft of the first motor, and the end of the main rotating rod is connected with the driving shaft. The inner ring of the gear is fixedly connected, the first driven rod is fixedly connected with the inner ring of the first driven gear, the second driven rod is fixedly connected with the inner ring of the second driven gear, and the driving gears are respectively meshed with the first driven gear and the second driven gear, a plurality of the cutting blades are mounted on the main rotating rod, the first driven rod and the second driven rod, and the first motor is mounted in the dust cover , the drive shaft of the first motor passes through the dust cover and is rotatably connected with the dust cover, the end of the drive shaft of the first motor is fixedly connected with the inner ring of the driving gear and is fixedly connected with the end of the main rotating rod;

The screening box is fixedly installed on the device frame, and the screening box is located directly below the crushing box. The feeding port of the screening box and the outlet of the crushing box are connected through a telescopic cover. The screening box body is inclined and installed, the screen mesh is fixedly installed in the screening box body, and the lower end of the screening box body is fixedly provided with a mounting frame, and several groups of vibrators are installed on the mounting frame.

As a further solution of the invention, the lower end of the device frame is provided with four sets of upper connecting frames, the upper end of the screening box is provided with four sets of lower connecting frames corresponding to the upper connecting frames, and the upper ends of the lower connecting frames are installed There is a connecting rod, the upper end of the connecting rod is connected with a connecting sleeve, the upper end of the connecting sleeve is provided with a connecting hook, the connecting hook is connected with the upper connecting frame, the vibration spring is sleeved on the outer circumference of the connecting rod, and the lower end of the vibration spring is Connected to the lower connecting frame, the upper end of the vibration spring is connected to the connecting sleeve.

As a further solution of the invention, the refiner includes a second motor, a motor cover, a first gear, a second gear, a first refining disc, a second refining disc, a refining box, a water inlet valve and a discharge valve. A water inlet valve is installed on the top edge of the refining box, and a through hole is provided in the center of the top of the refining box. The through hole is rotatably connected with the rotating shaft of the first grinding disc, and the rotating shaft of the second grinding disc penetrates the first grinding disc. The rotating shaft of the grinding disc is rotatably connected with the rotating shaft of the first grinding disc, the second grinding disc and the first grinding disc are slidably connected, and the end of the rotating shaft of the second grinding disc is fixedly connected with the end of the driving shaft of the second motor , the drive shaft of the second motor is engraved with tooth marks around and is meshed with the first gear, the first gear is meshed with the second gear, and the end of the rotating shaft of the first grinding disc is engraved with tooth marks along the circumference It is meshed and connected with the second gear, the first gear and the second gear are installed on the top of the refining box and are rotatably connected with the refining box, and the second motor, the first gear and the second gear are covered with a motor cover , and the second motor is fixedly connected with the top of the motor cover.

As a further solution of the invention, the first grinding disc includes an upper fixing ring, an upper grinding disc main body and a connecting rod. It is annular, the upper surface of the upper grinding disc main body is a smooth surface, and the lower surface is provided with several S-shaped grinding bars, the upper fixing ring is sleeved on the edge of the upper grinding disc main body, and the second grinding disc includes a lower fixing ring and a lower grinding disc. Grinding disc main body, the upper surface of the lower grinding disc main body is provided with several curved grinding strips, and several percolation slits are evenly distributed near the edge of the lower grinding disc main body, and the lower fixing ring is sleeved on the edge of the lower grinding disc main body.

As a further solution of the invention, the heating and stirring machine includes a heating and stirring box, a heater, a third motor, a first feeding valve, a second feeding valve, a stirring wheel and a slurry valve, and the third motor is installed in the heating and stirring The center of the top of the box, the drive shaft of the third motor passes through the top of the heating and stirring box and is rotatably connected with it, the end of the drive shaft of the third motor is fixedly connected with the end of the rotating shaft of the stirring wheel, and the stirring There are several stirring rings evenly distributed on the rotating shaft of the wheel, the first feeding valve and the second feeding valve are installed on the top of the heating and stirring box and are located on both sides of the third motor, and the bottom side of the heating and stirring box is A through hole is opened and a slurry valve is installed, and a heater is installed in the center of the bottom of the heating and stirring box.

As a further solution of the invention, the medicinal solution A is composed of sodium hydroxide, sodium sulfite, sodium borohydride, alkyl polyglucoside and water, and the medicinal solution B has a concentration of 0.2-0.5% wet strength agent and a concentration of It is a mixed liquid medicine composed of 0.05-0.07% papermaking dispersant.

The beneficial effects of the present invention are as follows: the first motor drives the first driven gear and the second driven gear by driving the driving gear, and the driving gear, the first driven gear and the second driven gear respectively drive the connected main gears to rotate. The rod, the first driven rod and the second driven rod rotate, thereby driving the cutting blade to rotate, and the main rotating rod and the two sets of driven rods are driven to rotate by a set of first motors, which effectively reduces the installation of the driving motor and saves costs, and the straw Put it into the crushing and screening machine for processing, the straw is crushed into straw chips, and the straw chips fall into the screening box. When falling, it will scatter to avoid environmental pollution, and at the same time effectively prevent other debris from polluting the straw powder. The vibrator works to drive the screening box to vibrate, and the screening box is connected to the device frame through the vibration spring and the connecting rod. Under the vibration of the vibrator, the spring is driven to shrink and stretch, which effectively increases the vibration frequency of the screening box and improves the screening effect of the screen in the screening box on the powder. The second motor drives the first gear and the first gear. The second grinding disc rotates, the first gear drives the second gear to rotate, and the second gear drives the first grinding disc to rotate, which can make the first grinding disc and the second grinding disc rotate and grind each other in opposite directions, and improve the grinding efficiency. The grinding disc is fastened by the sliding connection of the upper fixing ring and the lower fixing ring. The upper surface of the main body of the upper grinding disc is an inverted conical surface, which can guide the falling slurry into the rotating shaft. The grinding surfaces of the first grinding disc and the second grinding disc are equipped with There are grinding bars, which can greatly improve the grinding quality. Through the relative motion between the first grinding disc and the second grinding disc, the straw pulp falling between the two can be impacted and squeezed, which can improve the pulp yield. After washing Wet strength agent and papermaking dispersant are added to the slurry of the filtrate to improve the bulk and wet strength of toilet paper.

Description of drawings

In order to facilitate the understanding of those skilled in the art, the present invention will be further described below with reference to the accompanying drawings.

Fig. 1 is the overall structure schematic diagram of the present invention;

Fig. 2 is the structure schematic diagram of pulverizing and screening machine of the present invention;

Figure 3 is a side view of the crushing and screening machine of the present invention;

Fig. 4 is the enlarged schematic diagram of circle A in Fig. 2;

Figure 5 is a schematic structural diagram of the refiner of the present invention;

Fig. 6 is the enlarged schematic diagram of circle B in Fig. 5;

Fig. 7 is the top view of the refiner with the motor cover and the second motor removed according to the present invention;

8 is a schematic view of the grinding surface of the first grinding disc of the present invention;

9 is a schematic view of the grinding surface of the second grinding disc of the present invention;

10 is a schematic structural diagram of a heating mixer of the present invention;

In the figure: 1. Crushing and screening machine; 2. Conveyor; 3. Refiner; 4. Pump; 5. Pipeline; 6. Heating mixer; 7. Device rack; 8. Crushing box; 9. Dust cover ; 10, the first motor; 11, the main rotating rod; 12, the first driven rod; 13, the driving gear; 14, the first driven gear; 15, the second driven gear; 16, the cutting blade; 17, the advance Hopper; 18, support bearing; 19, telescopic cover; 20, screening box; 21, screen; 22, connecting pipe; 23, receiving box; 24, upper connecting frame; 25, connecting hook; 26, vibration Spring; 27, connecting sleeve; 28, connecting rod; 29, lower connecting frame; 30, vibrator; 31, mounting frame; 32, material receiving port; 33, second motor; 34, motor cover; 35, first gear 36, the second gear; 37, the first grinding plate; 38, the second grinding plate; 39, the refining box; 40, the water inlet valve; 41, the discharge valve; 42, the heating and stirring box; 43, the heater; 44 , the third motor; 45, the first feed valve; 46, the second feed valve; 47, the stirring wheel; 48, the slurry valve; 49, the second driven rod; 371, the upper fixing ring; 372, the upper grinding disc main body; 373, connecting rod; 381, lower fixing ring; 382, lower grinding disc main body.

Detailed ways

The technical solutions of the present invention will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Example 1

Please refer to Fig. 1-10, a high tenacity wet and dry toilet paper, including the following raw materials by weight: 40 parts of straw, 20 parts of wood fiber and 10 parts of cotton fiber.

A processing technique of high-toughness wet and dry toilet paper, the processing technique comprises the following production steps:

Step 1: Select raw materials, screen the raw materials according to the types of raw materials, select high-quality raw materials and weigh them according to the weight ratio, put 40 parts of straw, 20 parts of wood fiber and 10 parts of cotton into clean water to soak and clean respectively. Filter impurities, pick them up, and dry them for later use;

Step 2: Put the straw prepared in step 1 into the crushing and screening machine 1 for processing, the first motor 10 drives the driving gear 13 to drive the first driven gear 14 and the second driven gear 15, the driving gear 13, The first driven gear 14 and the second driven gear 15 respectively drive the connected main rotating rod 11, the first driven rod 12 and the second driven rod 49 to rotate, thereby driving the cutting blade 16 to rotate, crushing the straw into Straw scraps, straw scraps fall into the screening box 20, the discharge port of the crushing box 8 is connected to the feeding port of the screening box 20 through the telescopic cover 19, the vibrator 30 drives the screening box 20 to vibrate, and the screen The sub-box 20 is connected to the device frame 7 through the vibration spring 26 and the connecting rod 28. Under the vibration of the vibrator 30, the spring is driven to shrink and stretch, so as to increase the vibration frequency of the screening box 20 and improve the screening box. The screening efficiency of the sieve 21 in the 20 to the straw scraps, the sieve 21 divides the straw scraps into long straw fibers and straw powder, and the powder passing through the screen 21 falls on the conveyor 2 through the receiving port 32, and does not pass through. The long straw fibers of the screen 21 fall into the connecting box 23 through the connecting pipe 22, and the long straw fibers are gathered through the connecting box 23 for use;

Step 3: Put the straw powder prepared in Step 2 into the refiner 3 by the conveyor 2 for processing, add clean water to the refining box 39, and the second motor 33 drives the first gear 35 and the second grinding disc 38 to rotate , the first gear 35 drives the second gear 36 to rotate, and the second gear 36 drives the first grinding disc 37 to rotate. Impacting and squeezing are carried out to gradually grind the straw slurry into fine powder slurry. The machine 4 and the pipeline 5 transport the fine powder slurry to the heating mixer 6;

Step 4: Add clean water to the refiner 3 in step 4 for washing, when all the fine powder slurry in step 4 is discharged from the refiner 3, add the long straw fibers obtained in step 2 into the refiner 3, and Mix with clean water, and add prepared wood fiber and cotton fiber at the same time, the second motor 33 drives the first gear 35 and the second grinding disc 38 to rotate, the first gear 35 drives the second gear 36 to rotate, and the second gear 36 drives the first grinding disc 37 rotation, through the relative movement between the first grinding disc 37 and the second grinding disc 38, the mixed fiber pulp falling between the two is impacted and squeezed, and the mixed fiber pulp is gradually ground into long fiber pulp, long fiber pulp As the percolation slit on the second grinding disc 38 falls into the bottom of the refining box 39, it is transported to the heating mixer 6 through the pump 4 and the pipeline 5 connected with the discharge valve 41;

Step 5: Add the medicinal solution A into the heating mixer 6, close the heating and stirring box 42, and the third motor 44 drives the stirring wheel 47 to heat, stir and mix the long fiber pulp, the fine powder pulp and the medicinal solution A to obtain a mixed pulp, and then Oxygen delignification is performed on the mixed slurry to obtain slurry A;

Step 6: Put the liquid medicine B into the slurry A, close the heating and stirring box 42, and the third motor 44 drives the stirring wheel 47 to stir the slurry A and the liquid medicine B, and after stirring evenly, a reinforced pulp is obtained;

Step 7: Put the reinforced pulp obtained in Step 6 into the paper sheet forming machine for pressing and suction to form the paper sheet, and then dry, coil, cut and pack the formed paper sheet to finally obtain the finished toilet paper.

The crushing and screening machine 1 includes a device frame 7, a crushing box 8, a dust cover 9, a first motor 10, a main rotating rod 11, a first driven rod 12, a second driven rod 49, a driving gear 13, a first driven rod A driven gear 14, a second driven gear 15, a cutting blade 16, a feeding hopper 17, a support bearing 18, a telescopic cover 19, a screening box 20, a screen 21, a connecting pipe 22, a receiving box 23, vibration The crusher 30, the mounting frame 31 and the material receiving port 32, the crushing box 8 is fixedly installed on the upper end of the device frame 7, the center of the upper end of the crushing box 8 is fixedly connected with the feeding hopper 17, and the crushing box 8 is provided with a main The rotating rod 11 , the first driven rod 12 and the second driven rod 49 , the main rotating rod 11 , the first driven rod 12 and the second driven rod 49 are arranged in a row in the vertical direction. The rotating rod 11 is located between the first driven rod 12 and the second driven rod 49 , and the main rotating rod 11 , the first driven rod 12 and the second driven rod 49 are all installed with support bearings 18 on the same side, The support bearing 18 passes through the box wall of the crushing box 8 , the outer ring of the supporting bearing 18 is fixedly connected with the crushing box 8 , the other of the main rotating rod 11 , the first driven rod 12 and the second driven rod 49 is The end of the main rotating rod 11 is fixedly connected with the drive shaft of the first motor 10, and the end of the main rotating rod 11 is connected with the inner part of the driving gear 13. The ring is fixedly connected, the first driven rod 12 is fixedly connected with the inner ring of the first driven gear 14, the second driven rod 49 is fixedly connected with the inner ring of the second driven gear 15, the driving gear 13 is meshed with the first driven gear 14 and the second driven gear 15 respectively, and a plurality of the cutting blades 16 are mounted on the main rotating rod 11, the first driven rod 12 and the second driven rod 49. A motor 10 is installed in the dust cover 9 , the drive shaft of the first motor 9 passes through the dust cover 9 and is rotatably connected with the dust cover 9 . The ring is fixedly connected and is fixedly connected with the end of the main rotating rod 11;

The screening box 20 is fixedly installed on the device frame 7 , the screening box 20 is located directly below the crushing box 8 , and the feeding port of the screening box 20 and the discharging port of the crushing box 8 Connected through the telescopic cover 19 , the screening box 20 is arranged obliquely, the screen 21 is fixedly installed in the screening box 20 , and the lower end of the screening box 20 is fixedly provided with a mounting frame 31 . Several groups of vibrators 30 are mounted on the frame 31 .

The lower end of the device frame 7 is provided with four sets of upper connecting frames 24, the upper end of the screening box 20 is provided with four sets of lower connecting frames 29 corresponding to the upper connecting frames 24, and the upper end of the lower connecting frames 29 is installed There is a connecting rod 28, the upper end of the connecting rod 28 is connected with a connecting sleeve 27, the upper end of the connecting sleeve 27 is provided with a connecting hook 25, the connecting hook 25 is connected with the upper connecting frame 24, and the vibration spring 26 is sleeved on the connection. On the outer circumference of the rod 28 , the lower end of the vibration spring 26 is connected to the lower connecting frame 29 , and the upper end of the vibration spring 26 is connected to the connecting sleeve 27 .

The refiner 3 includes a second motor 33, a motor cover 34, a first gear 35, a second gear 36, a first grinding disc 37, a second grinding disc 38, a refining box 39, a water inlet valve 40 and a discharge valve 41. A water inlet valve 40 is installed on the top edge of the refining box 39, and a through hole is provided in the center of the top of the refining box 39. The through hole is rotatably connected to the rotating shaft of the first grinding disc 37, and the The rotating shaft of the second grinding disc 38 passes through the rotating shaft of the first grinding disc 37 and is rotatably connected with the rotating shaft of the first grinding disc 37 . The end of the second motor 33 is fixedly connected to the end of the drive shaft of the second motor 33. The drive shaft of the second motor 33 is engraved with tooth marks and is meshed with the first gear 35. The first gear 35 and the second gear 36 In meshing connection, the end of the rotating shaft of the first grinding disc 37 is engraved with tooth marks along the circumference and is meshed with the second gear 36. The first gear 35 and the second gear 36 are installed on the top of the refining box 39 and are connected with The refining box 39 is rotatably connected, the second motor 33 , the first gear 35 and the second gear 36 are covered with a motor cover 34 , and the second motor 33 is fixedly connected to the top of the motor cover 34 .

The first grinding disc 37 includes an upper fixing ring 371 , an upper grinding disc main body 372 and a connecting rod 373 . The main body 372 is annular, the upper surface of the upper grinding disc main body 372 is a smooth surface, and the lower surface is provided with several S-shaped grinding bars. The upper fixing ring 371 is sleeved on the edge of the upper grinding disc main body 372. It includes a lower fixing ring 381 and a lower grinding disc main body 382. The upper surface of the lower grinding disc main body 382 is provided with several curved grinding strips, and a number of percolation slits are evenly distributed near the edge of the lower grinding disc main body 382. The lower fixing ring 381 is set It is provided on the edge of the lower grinding disc body 382 .

The heating and stirring machine 6 includes a heating and stirring box 42, a heater 43, a third motor 44, a first feeding valve 45, a second feeding valve 46, a stirring wheel 47 and a slurry valve 48, and the third motor 44 is installed At the top center of the heating and stirring box 42, the drive shaft of the third motor 44 passes through the top of the heating and stirring box 42 and is rotatably connected with it, and the end of the driving shaft of the third motor 44 is connected to the rotating shaft of the stirring wheel 47. The ends are fixedly connected, a number of stirring rings are evenly distributed on the rotating shaft of the stirring wheel 47, and the first feeding valve 45 and the second feeding valve 46 are installed on the top of the heating and stirring box 42 and located at the third motor 44. On both sides of the heating and stirring box 42 , a through hole is opened on one side of the bottom of the heating and stirring box 42 and a slurry valve 48 is installed, and a heater 43 is installed in the center of the bottom of the heating and stirring box 42 .

The medicinal solution A is composed of sodium hydroxide, sodium sulfite, sodium borohydride, alkyl polyglucoside and water, and the medicinal solution B is a wet strength agent with a concentration of 0.2% and a papermaking dispersant with a concentration of 0.05%. of mixed medicines.

Example 2

Please refer to Fig. 1-10, a high tenacity wet and dry toilet paper, including the following raw materials by weight: 50 parts of straw, 15 parts of wood fiber and 5 parts of cotton fiber.

A processing technique of high-toughness wet and dry toilet paper, the processing technique comprises the following production steps:

Step 1: Select raw materials, screen the raw materials according to the types of raw materials, select high-quality raw materials and weigh them according to the weight ratio, put 40 parts of straw, 20 parts of wood fiber and 10 parts of cotton into clean water to soak and clean respectively. Filter impurities, pick them up, and dry them for later use;

Step 2: Put the straw prepared in step 1 into the crushing and screening machine 1 for processing, the first motor 10 drives the driving gear 13 to drive the first driven gear 14 and the second driven gear 15, the driving gear 13, The first driven gear 14 and the second driven gear 15 respectively drive the connected main rotating rod 11, the first driven rod 12 and the second driven rod 49 to rotate, thereby driving the cutting blade 16 to rotate, crushing the straw into Straw scraps, straw scraps fall into the screening box 20, the discharge port of the crushing box 8 is connected to the feeding port of the screening box 20 through the telescopic cover 19, the vibrator 30 drives the screening box 20 to vibrate, and the screen The sub-box 20 is connected to the device frame 7 through the vibration spring 26 and the connecting rod 28. Under the vibration of the vibrator 30, the spring is driven to shrink and stretch, so as to increase the vibration frequency of the screening box 20 and improve the screening box. The screening efficiency of the sieve 21 in the 20 to the straw scraps, the sieve 21 divides the straw scraps into long straw fibers and straw powder, and the powder passing through the screen 21 falls on the conveyor 2 through the receiving port 32, and does not pass through. The long straw fibers of the screen 21 fall into the connecting box 23 through the connecting pipe 22, and the long straw fibers are gathered through the connecting box 23 for use;

Step 3: Put the straw powder prepared in Step 2 into the refiner 3 by the conveyor 2 for processing, add clean water to the refining box 39, and the second motor 33 drives the first gear 35 and the second grinding disc 38 to rotate , the first gear 35 drives the second gear 36 to rotate, and the second gear 36 drives the first grinding disc 37 to rotate. Impacting and squeezing are carried out to gradually grind the straw slurry into fine powder slurry. The machine 4 and the pipeline 5 transport the fine powder slurry to the heating mixer 6;

Step 4: Add clean water to the refiner 3 in step 4 for washing, when all the fine powder slurry in step 4 is discharged from the refiner 3, add the long straw fibers obtained in step 2 into the refiner 3, and Mix with clean water, and add prepared wood fiber and cotton fiber at the same time, the second motor 33 drives the first gear 35 and the second grinding disc 38 to rotate, the first gear 35 drives the second gear 36 to rotate, and the second gear 36 drives the first grinding disc 37 rotation, through the relative movement between the first grinding disc 37 and the second grinding disc 38, the mixed fiber pulp falling between the two is impacted and squeezed, and the mixed fiber pulp is gradually ground into long fiber pulp, long fiber pulp As the percolation slit on the second grinding disc 38 falls into the bottom of the refining box 39, it is transported to the heating mixer 6 through the pump 4 and the pipeline 5 connected with the discharge valve 41;

Step 5: Add the medicinal solution A into the heating mixer 6, close the heating and stirring box 42, and the third motor 44 drives the stirring wheel 47 to heat, stir and mix the long fiber pulp, the fine powder pulp and the medicinal solution A to obtain a mixed pulp, and then Oxygen delignification is performed on the mixed slurry to obtain slurry A;

Step 6: Put the liquid medicine B into the slurry A, close the heating and stirring box 42, and the third motor 44 drives the stirring wheel 47 to stir the slurry A and the liquid medicine B, and after stirring evenly, a reinforced pulp is obtained;

Step 7: Put the reinforced pulp obtained in Step 6 into the paper sheet forming machine for pressing and suction to form the paper sheet, and then dry, coil, cut and pack the formed paper sheet to finally obtain the finished toilet paper.

The crushing and screening machine 1 includes a device frame 7, a crushing box 8, a dust cover 9, a first motor 10, a main rotating rod 11, a first driven rod 12, a second driven rod 49, a driving gear 13, a first driven rod A driven gear 14, a second driven gear 15, a cutting blade 16, a feeding hopper 17, a support bearing 18, a telescopic cover 19, a screening box 20, a screen 21, a connecting pipe 22, a receiving box 23, vibration The crusher 30, the mounting frame 31 and the material receiving port 32, the crushing box 8 is fixedly installed on the upper end of the device frame 7, the center of the upper end of the crushing box 8 is fixedly connected with the feeding hopper 17, and the crushing box 8 is provided with a main The rotating rod 11 , the first driven rod 12 and the second driven rod 49 , the main rotating rod 11 , the first driven rod 12 and the second driven rod 49 are arranged in a row in the vertical direction. The rotating rod 11 is located between the first driven rod 12 and the second driven rod 49 , and the main rotating rod 11 , the first driven rod 12 and the second driven rod 49 are all installed with support bearings 18 on the same side, The support bearing 18 passes through the box wall of the crushing box 8 , the outer ring of the supporting bearing 18 is fixedly connected with the crushing box 8 , the other of the main rotating rod 11 , the first driven rod 12 and the second driven rod 49 is The end of the main rotating rod 11 is fixedly connected with the drive shaft of the first motor 10, and the end of the main rotating rod 11 is connected with the inner part of the driving gear 13. The ring is fixedly connected, the first driven rod 12 is fixedly connected with the inner ring of the first driven gear 14, the second driven rod 49 is fixedly connected with the inner ring of the second driven gear 15, the driving gear 13 is meshed with the first driven gear 14 and the second driven gear 15 respectively, and a plurality of the cutting blades 16 are mounted on the main rotating rod 11, the first driven rod 12 and the second driven rod 49. A motor 10 is installed in the dust cover 9 , the drive shaft of the first motor 9 passes through the dust cover 9 and is rotatably connected with the dust cover 9 . The ring is fixedly connected and is fixedly connected with the end of the main rotating rod 11;

The screening box 20 is fixedly installed on the device frame 7 , the screening box 20 is located directly below the crushing box 8 , and the feeding port of the screening box 20 and the discharging port of the crushing box 8 Connected through the telescopic cover 19 , the screening box 20 is arranged obliquely, the screen 21 is fixedly installed in the screening box 20 , and the lower end of the screening box 20 is fixedly provided with a mounting frame 31 . Several groups of vibrators 30 are mounted on the frame 31 .

The lower end of the device frame 7 is provided with four sets of upper connecting frames 24, the upper end of the screening box 20 is provided with four sets of lower connecting frames 29 corresponding to the upper connecting frames 24, and the upper end of the lower connecting frames 29 is installed There is a connecting rod 28, the upper end of the connecting rod 28 is connected with a connecting sleeve 27, the upper end of the connecting sleeve 27 is provided with a connecting hook 25, the connecting hook 25 is connected with the upper connecting frame 24, and the vibration spring 26 is sleeved on the connection. On the outer circumference of the rod 28 , the lower end of the vibration spring 26 is connected to the lower connecting frame 29 , and the upper end of the vibration spring 26 is connected to the connecting sleeve 27 .

The refiner 3 includes a second motor 33, a motor cover 34, a first gear 35, a second gear 36, a first grinding disc 37, a second grinding disc 38, a refining box 39, a water inlet valve 40 and a discharge valve 41. A water inlet valve 40 is installed on the top edge of the refining box 39, and a through hole is provided in the center of the top of the refining box 39. The through hole is rotatably connected to the rotating shaft of the first grinding disc 37, and the The rotating shaft of the second grinding disc 38 passes through the rotating shaft of the first grinding disc 37 and is rotatably connected with the rotating shaft of the first grinding disc 37 . The end of the second motor 33 is fixedly connected to the end of the drive shaft of the second motor 33. The drive shaft of the second motor 33 is engraved with tooth marks and is meshed with the first gear 35. The first gear 35 and the second gear 36 In meshing connection, the end of the rotating shaft of the first grinding disc 37 is engraved with tooth marks along the circumference and is meshed with the second gear 36. The first gear 35 and the second gear 36 are installed on the top of the refining box 39 and are connected with The refining box 39 is rotatably connected, the second motor 33 , the first gear 35 and the second gear 36 are covered with a motor cover 34 , and the second motor 33 is fixedly connected to the top of the motor cover 34 .

The first grinding disc 37 includes an upper fixing ring 371 , an upper grinding disc main body 372 and a connecting rod 373 . The main body 372 is annular, the upper surface of the upper grinding disc main body 372 is a smooth surface, and the lower surface is provided with several S-shaped grinding bars. The upper fixing ring 371 is sleeved on the edge of the upper grinding disc main body 372. It includes a lower fixing ring 381 and a lower grinding disc main body 382. The upper surface of the lower grinding disc main body 382 is provided with several curved grinding strips, and a number of percolation slits are evenly distributed near the edge of the lower grinding disc main body 382. The lower fixing ring 381 is set It is provided on the edge of the lower grinding disc body 382 .

The heating and stirring machine 6 includes a heating and stirring box 42, a heater 43, a third motor 44, a first feeding valve 45, a second feeding valve 46, a stirring wheel 47 and a slurry valve 48, and the third motor 44 is installed At the top center of the heating and stirring box 42, the drive shaft of the third motor 44 passes through the top of the heating and stirring box 42 and is rotatably connected with it, and the end of the driving shaft of the third motor 44 is connected to the rotating shaft of the stirring wheel 47. The ends are fixedly connected, a number of stirring rings are evenly distributed on the rotating shaft of the stirring wheel 47, and the first feeding valve 45 and the second feeding valve 46 are installed on the top of the heating and stirring box 42 and located at the third motor 44. On both sides of the heating and stirring box 42 , a through hole is opened on one side of the bottom of the heating and stirring box 42 and a slurry valve 48 is installed, and a heater 43 is installed in the center of the bottom of the heating and stirring box 42 .

The medicinal solution A is composed of sodium hydroxide, sodium sulfite, sodium borohydride, alkyl polyglucoside and water, and the medicinal solution B is a wet strength agent with a concentration of 0.5% and a papermaking dispersant with a concentration of 0.07%. of mixed medicines.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for convenience The invention is described and simplified without indicating or implying that the device or element referred to must have a particular orientation, as well as a particular orientation configuration and operation, and therefore should not be construed as limiting the invention. In addition, "first" and "second" are for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature delimited with "first", "second" may expressly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection , or integrally connected; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or the internal communication between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

An embodiment of the present invention has been described in detail above, but the content is only a preferred embodiment of the present invention, and cannot be considered to limit the scope of the present invention. All equivalent changes and improvements made according to the scope of the application of the present invention should still belong to the scope of the patent of the present invention.

Claims (8)

1. The high-toughness dry and wet toilet paper is characterized by comprising the following raw materials in parts by weight: 40-50 parts of straw, 15-20 parts of wood fiber and 5-10 parts of cotton fiber.

2. The processing technology of the high-toughness wet and dry toilet paper is characterized by comprising the following production steps of:

the method comprises the following steps: selecting raw materials, screening the raw materials according to the types of the raw materials, selecting high-quality raw materials, weighing according to the weight ratio, respectively putting 40-50 parts of straws, 15-20 parts of wood fibers and 5-10 parts of cotton into clear water for soaking and cleaning, filtering impurities after cleaning, fishing out, and drying for later use;

step two: putting the straws prepared in the step one into a crushing and screening machine (1) for processing, driving a driving gear (13) by a first motor (10), thereby driving a first driven gear (14) and a second driven gear (15), the driving gear (13), the first driven gear (14) and the second driven gear (15) respectively drive a main rotating rod (11) which is respectively connected with the first driven gear, a first driven rod (12) and a second driven rod (49) rotate, thereby driving a cutting blade (16) to rotate, crushing the straws into straw scraps, enabling the straw scraps to fall into a screening box body (20), connecting a discharge port of a crushing box (8) with a feed port of the screening box body (20) through a telescopic cover (19), vibrating the screening box body (20) by a vibrator (30), connecting the screening box body (20) with a device rack (7) through a vibrating spring (26) and a connecting rod (28), under the vibration of the vibrator (30), the spring is driven to contract and stretch, the vibration frequency of the screening box body (20) is improved, the screening efficiency of the screen (21) in the screening box body (20) on straw scraps is improved, the screen (21) divides the straw scraps into long straw fibers and straw powder, the powder passing through the screen (21) falls onto the conveyor (2) through the material receiving port (32), the long straw fibers not passing through the screen (21) fall into the material receiving box (23) through the connecting pipe (22), and the long straw fibers are gathered for later use through the material receiving box (23);

step three: putting the straw powder prepared in the second step into a pulping machine (3) by a conveyor (2) for processing, adding clear water into a pulping box body (39), driving a first gear (35) and a second grinding disc (38) to rotate by a second motor (33), driving a second gear (36) to rotate by the first gear (35), driving a first grinding disc (37) to rotate by the second gear (36), impacting and extruding the straw powder slurry falling between the first grinding disc (37) and the second grinding disc (38) through relative motion between the first grinding disc (37) and the second grinding disc (38), gradually grinding the straw powder slurry into fine powder slurry, enabling the fine powder slurry to fall into the bottom of the pulping box body (39) along with a percolation seam on the second grinding disc (38), and conveying the fine powder slurry into a heating stirrer (6) through a pump (4) and a pipeline (5) connected with a discharge valve (41);

step four: adding clear water into the pulping machine (3) in the fourth step for washing, when all the fine powder pulp in the fourth step is discharged out of the pulping machine (3), adding the long straw fibers obtained in the step two into a pulping machine (3), mixing with clear water, simultaneously adding prepared wood fiber and cotton fiber, a second motor (33) drives a first gear (35) and a second grinding disc (38) to rotate, the first gear (35) drives a second gear (36) to rotate, the second gear (36) drives a first grinding disc (37) to rotate, by means of a relative movement between the first grinding disc (37) and the second grinding disc (38), the mixed fiber pulp falling between the first grinding disc and the second grinding disc is impacted and extruded, the mixed fiber pulp is gradually ground into long fiber pulp, the long fiber pulp falls into the bottom of a grinding box body (39) along with a percolation joint on the second grinding disc (38), is conveyed into a heating stirrer (6) through a pump (4) and a pipeline (5) which are connected with a discharge valve (41);

step five: adding the liquid medicine A into a heating stirrer (6), sealing a heating stirring box (42), driving a stirring wheel (47) by a third motor (44) to heat, stir and mix the long fiber slurry, the fine powder slurry and the liquid medicine A to obtain mixed slurry, and then performing oxygen delignification treatment on the mixed slurry to obtain slurry A;

step six: adding the liquid medicine B into the pulp A, sealing the heating and stirring box (42), driving a stirring wheel (47) by a third motor (44) to stir the pulp A and the liquid medicine B, and uniformly stirring to obtain reinforced paper pulp;

step seven: and (4) squeezing and sucking the reinforced paper pulp obtained in the step six in a paper sheet forming machine to form paper sheets, and then drying, reeling, cutting and packaging the formed paper sheets to finally obtain finished toilet paper.

3. The processing technology of the high-toughness wet and dry toilet paper is characterized in that the grinding and screening machine (1) comprises a device frame (7), a grinding box (8), a dust cover (9), a first motor (10), a main rotating rod (11), a first driven rod (12), a second driven rod (49), a driving gear (13), a first driven gear (14), a second driven gear (15), cutting blades (16), a feeding hopper (17), a supporting bearing (18), a telescopic cover (19), a screening box body (20), a screen (21), a connecting pipe (22), a material receiving box (23), a vibrator (30), a mounting frame (31) and a material receiving opening (32), wherein the grinding box (8) is fixedly mounted at the upper end of the device frame (7), the feeding hopper (17) is fixedly connected at the center position of the upper end of the grinding box (8), be provided with main dwang (11), first driven lever (12) and second driven lever (49) in crushing case (8), main dwang (11), first driven lever (12) and second driven lever (49) are arranged into a column and are set up in vertical direction, main dwang (11) are located between first driven lever (12) and second driven lever (49), support bearing (18) are all installed to main dwang (11), first driven lever (12) and second driven lever (49) same side, support bearing (18) pass the tank wall of crushing case (8), support bearing (18) outer lane and crushing case (8) fixed connection, the opposite side of main dwang (11), first driven lever (12) and second driven lever (49) passes the tank wall of crushing case (8) and is connected with crushing case (8) rotation, the tip of main dwang (11) and the drive shaft fixed connection of first motor (10), the end part of the main rotating rod (11) is fixedly connected with the inner ring of the driving gear (13), the first driven rod (12) is fixedly connected with the inner ring of the first driven gear (14), the second driven rod (49) is fixedly connected with the inner ring of the second driven gear (15), the driving gear (13) is respectively meshed with the first driven gear (14) and the second driven gear (15), the plurality of cutting blades (16) are arranged on the main rotating rod (11), the first driven rod (12) and the second driven rod (49), the first motor (10) is arranged in the dust cover (9), a driving shaft of the first motor (10) penetrates through the dust cover (9) and is rotationally connected with the dust cover (9), the end part of a driving shaft of the first motor (10) is fixedly connected with the inner ring of the driving gear (13) and is fixedly connected with the end part of the main rotating rod (11);

screening box (20) fixed mounting is in device frame (7), screening box (20) are located crushing case (8) under, the feed inlet of screening box (20) is linked together through flexible cover (19) with the discharge gate of crushing case (8), screening box (20) slope sets up, screening box (20) internal fixation installs screen cloth (21), screening box (20) lower extreme is fixed and is provided with mounting bracket (31), install a plurality of groups vibrator (30) on mounting bracket (31).

4. The processing technology of the high-toughness wet and dry toilet paper as claimed in claim 3, wherein four groups of upper connecting frames (24) are arranged at the lower end of the device frame (7), four groups of lower connecting frames (29) corresponding to the upper connecting frames (24) are arranged at the upper end of the screening box body (20), a connecting rod (28) is mounted at the upper end of each lower connecting frame (29), a connecting sleeve (27) is connected to the upper end of each connecting rod (28), a connecting hook (25) is arranged at the upper end of each connecting sleeve (27), the connecting hook (25) is connected with the upper connecting frame (24), the vibration spring (26) is sleeved on the periphery of the connecting rod (28), the lower end of the vibration spring (26) is connected with the lower connecting frames (29), and the upper end of the vibration spring (26) is connected to the connecting sleeves (27).

5. The processing technology of the high-toughness wet and dry toilet paper is characterized in that the refiner (3) comprises a second motor (33), a motor cover (34), a first gear (35), a second gear (36), a first grinding disc (37), a second grinding disc (38), a refining box body (39), a water inlet valve (40) and a discharge valve (41), wherein the water inlet valve (40) is installed at the top edge of the refining box body (39), a through hole is formed in the top center of the refining box body (39), the through hole is rotatably connected with the rotating shaft of the first grinding disc (37), the rotating shaft of the second grinding disc (38) penetrates through the rotating shaft of the first grinding disc (37) and is rotatably connected with the rotating shaft of the first grinding disc (37), the second grinding disc (38) is slidably connected with the first grinding disc (37), and the end of the rotating shaft of the second grinding disc (38) is fixedly connected with the end of the driving shaft of the second motor (33), the grinding device is characterized in that tooth marks are carved on the periphery of a driving shaft of the second motor (33) and are in meshed connection with the first gear (35), the first gear (35) is in meshed connection with the second gear (36), tooth marks are carved on the end portion of a rotating shaft of the first grinding disc (37) along the circumference and are in meshed connection with the second gear (36), the first gear (35) and the second gear (36) are installed at the top of the grinding box body (39) and are in rotating connection with the grinding box body (39), the motor cover (34) covers the second motor (33), the first gear (35) and the second gear (36), and the second motor (33) is fixedly connected with the top of the motor cover (34).

6. The processing technology of the high-toughness wet and dry toilet paper according to claim 5, wherein the first grinding disc (37) comprises an upper fixing ring (371), a main grinding disc body (372) and a connecting rod (373), the end of the rotating shaft of the first grinding disc (37) is fixedly connected with the main grinding disc body (372) through a plurality of connecting rods (373), the main grinding disc body (372) is annular, the upper surface of the main grinding disc body (372) is smooth, the lower surface of the main grinding disc body is provided with a plurality of S-shaped grinding strips 371, the upper fixing ring (371) is sleeved on the edge of the main grinding disc body (372), the second grinding disc (38) comprises a lower fixing ring (381) and a lower grinding disc body (382), the upper surface of the lower grinding disc body (382) is provided with a plurality of curved grinding strips, and a plurality of percolation seams are uniformly distributed near the edge of the lower grinding disc body (382), the lower fixing ring (381) is sleeved on the edge of the lower grinding disc main body (382).

7. The processing technology of the high-toughness wet and dry toilet paper is characterized in that the heating stirrer (6) comprises a heating stirring box (42), a heater (43), a third motor (44), a first feeding valve (45), a second feeding valve (46), a stirring wheel (47) and a pulp outlet valve (48), the third motor (44) is installed at the top center of the heating stirring box (42), a driving shaft of the third motor (44) penetrates through the top of the heating stirring box (42) and is in rotating connection with the heating stirring box, the end of the driving shaft of the third motor (44) is fixedly connected with the end of a rotating shaft of the stirring wheel (47), a plurality of stirring rings are uniformly distributed on the rotating shaft of the stirring wheel (47), and the first feeding valve (45) and the second feeding valve (46) are installed at the top of the heating stirring box (42) and are positioned at two sides of the third motor (44), one side of the bottom of the heating and stirring box (42) is provided with a through hole and a slurry outlet valve (48), and the center of the bottom of the heating and stirring box (42) is provided with a heater (43).

8. The process for manufacturing high-toughness toilet paper for both dry and wet use according to claim 2, wherein said chemical solution A is a mixed chemical solution consisting of sodium hydroxide, sodium sulfite, sodium borohydride, alkyl polyglucoside and water, and said chemical solution B is a wet strength agent with a concentration of 0.2-0.5% and a paper dispersant with a concentration of 0.05-0.07%.

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