CN117209246A - Production process of silica-calcium gel water-absorbing foot pad - Google Patents
Production process of silica-calcium gel water-absorbing foot pad Download PDFInfo
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- CN117209246A CN117209246A CN202311358485.7A CN202311358485A CN117209246A CN 117209246 A CN117209246 A CN 117209246A CN 202311358485 A CN202311358485 A CN 202311358485A CN 117209246 A CN117209246 A CN 117209246A
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- 239000011575 calcium Substances 0.000 title claims abstract description 45
- 229910052791 calcium Inorganic materials 0.000 title claims abstract description 45
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 239000010902 straw Substances 0.000 claims abstract description 87
- 241000209140 Triticum Species 0.000 claims abstract description 84
- 235000021307 Triticum Nutrition 0.000 claims abstract description 84
- 239000000463 material Substances 0.000 claims abstract description 58
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 49
- 239000002002 slurry Substances 0.000 claims abstract description 32
- 238000003756 stirring Methods 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000002156 mixing Methods 0.000 claims abstract description 21
- 239000006004 Quartz sand Substances 0.000 claims abstract description 16
- 239000011259 mixed solution Substances 0.000 claims abstract description 16
- 239000011268 mixed slurry Substances 0.000 claims abstract description 13
- 238000005520 cutting process Methods 0.000 claims abstract description 10
- 239000000758 substrate Substances 0.000 claims abstract description 9
- 229920002522 Wood fibre Polymers 0.000 claims abstract description 7
- 230000018044 dehydration Effects 0.000 claims abstract description 7
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 7
- 238000010025 steaming Methods 0.000 claims abstract description 7
- 239000002025 wood fiber Substances 0.000 claims abstract description 7
- 238000007599 discharging Methods 0.000 claims abstract description 6
- 239000000499 gel Substances 0.000 claims description 40
- 238000000465 moulding Methods 0.000 claims description 31
- 239000000741 silica gel Substances 0.000 claims description 17
- 229910002027 silica gel Inorganic materials 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 15
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 12
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 12
- 239000004568 cement Substances 0.000 claims description 12
- 239000004571 lime Substances 0.000 claims description 12
- 238000004804 winding Methods 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 7
- 230000007423 decrease Effects 0.000 claims description 6
- 230000002745 absorbent Effects 0.000 claims description 5
- 239000002250 absorbent Substances 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
- 229960001866 silicon dioxide Drugs 0.000 claims 3
- 238000001035 drying Methods 0.000 claims 1
- 238000005406 washing Methods 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 9
- 239000000047 product Substances 0.000 description 8
- 239000010425 asbestos Substances 0.000 description 5
- 229910052895 riebeckite Inorganic materials 0.000 description 5
- 239000000835 fiber Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000588724 Escherichia coli Species 0.000 description 1
- 241000191967 Staphylococcus aureus Species 0.000 description 1
- 238000003287 bathing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Laminated Bodies (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention belongs to the technical field of bathroom foot pads, and particularly relates to a production process of a silica-calcium gel water-absorbing foot pad; the invention puts the wheat straw into water to heat to 100 ℃ to obtain the wheat straw mixed solution; uniformly stirring and mixing lignocellulose and wheat straw mixed liquor to obtain lignocellulose pulp; uniformly stirring and mixing the silica-calcium gel, the quartz sand and the wood fiber slurry to obtain mixed slurry, adding a calcareous material, and uniformly stirring and mixing to obtain base layer slurry; fishing out the wheat straw in the base layer slurry; discharging the substrate slurry of the fished out wheat straw, and carrying out vacuum dehydration to obtain a substrate; the base layer is directly wound on the surface of the forming cylinder for forming, and the forming pressure is regulated within a range; when the total thickness of the base layer wound on the surface of the forming cylinder reaches the thickness required by the water absorption foot pad of the silica-calcium gel, a foot pad plate blank can be obtained by cutting, the foot pad is obtained after the subsequent steaming and curing treatment, the diatomite is successfully replaced by the silica-calcium gel, and the market of the foot pad is widened.
Description
Technical Field
The invention belongs to the technical field of bathroom foot pads, and particularly relates to a production process of a silica-calcium gel water-absorbing foot pad.
Background
The diatomite water absorbent foot pad is often used at a bathroom doorway, and is popular in use in a bathroom because the diatomite water absorbent foot pad has a water absorption function and is not easy to grow bacteria, and the main export object of the diatomite water absorbent foot pad produced by the company is Japan, especially Japan, and the annual quantity of the bathroom foot pad at the export of the company is large, but in 2020, the Japan part company announces suddenly that goods such as a diatomite floor pad, a cup pad and the like produced by the Japan are called back, and the reason is that asbestos fibers can be contained; the diatomite does not contain asbestos fibers, but the diatomite exploitation land possibly contains substances such as asbestos and the like, the mineral is difficult to separate the diatomite from the asbestos and the like when the diatomite is exploited, the detection of asbestos in related mineral is always required to be strict in Japan, the detection standard of products related to the diatomite is relatively high, the production of the diatomite is limited in Japan, the enterprise exporting the Japan diatomite products such as the company is certainly reduced in the export quantity of the company, and the inspection of the exported diatomite products is increased in a plurality of standards, so that the difficulty of the export business of the company is increased, and in this way, the company is urgent to find a new diatomite-free foot pad capable of replacing the diatomite to produce a new diatomite product, and the foot pad is extremely easy to grow microorganisms such as bacteria after long-term use because the product is used in places with much water such as bathrooms.
Disclosure of Invention
In order to make up the defects of the prior art, the invention provides a production process of a silica-calcium gel water-absorbing foot pad.
The technical scheme adopted for solving the technical problems is as follows: the invention relates to a production process of a silica-calcium gel water-absorbing foot pad, which comprises the following steps:
s1, putting wheat straw into water, heating to 100 ℃ and keeping the temperature for 20 minutes to obtain a wheat straw mixed solution;
s2, uniformly stirring and mixing lignocellulose and the wheat straw mixed solution prepared in the step S1 to obtain lignocellulose pulp;
s3, uniformly stirring and mixing the silica-calcium gel and the quartz sand with the wood fiber slurry prepared in the S2 to obtain mixed slurry;
s4, adding a calcareous material into the mixed slurry prepared in the step S3, and uniformly stirring and mixing to obtain a base layer slurry; the base layer slurry comprises the following dry material components except the wheat straw in percentage by mass: 7-10% of lignocellulose, 6-21% of silica gel, 34-52% of quartz sand and 10-55% of calcareous material;
s5, fishing out the wheat straw in the base layer slurry obtained in the S4; discharging, pressing and dehydrating the base layer slurry of the fished-out wheat straw to obtain a base layer;
s6, directly winding the base layer obtained in the step S5 on the surface of a forming cylinder for forming after vacuum dehydration, wherein the forming pressure of the forming cylinder is 1.5-2.2kg/cm 2 Within the range, and the molding pressure decreases as the total thickness of the base layer wound around the molding cylinder increases;
s7, cutting after the total thickness of the base layer wound on the surface of the forming cylinder reaches the thickness required by the silica-calcium gel water-absorbing foot pad, and separating the silica-calcium gel water-absorbing foot pad plate blank from the surface of the forming cylinder to finally obtain the silica-calcium gel water-absorbing foot pad plate blank, wherein the thickness of the silica-calcium gel water-absorbing foot pad plate blank is within the range of less than or equal to 30 mm; finally, the foot pad plate blank is subjected to subsequent steaming curing treatment to obtain the foot pad substrate.
Preferably, the wheat straw in S1 is rolled by a roll squeezer and then mixed with water in a ratio of 1:5 to obtain the wheat straw mixed solution.
Preferably, the mixed liquid of the wheat straw in the step S1 is kept in an agitating state until the step S2 is added with lignocellulose.
Preferably, the thickness of the base layer obtained in the step S6 is in the range of 0.8-1.1mm, and the water content of the base layer is between 51 and 59%.
Preferably, the linear speed of the small material layer wound on the outermost layer of the forming cylinder in the step S7 is in the range of 65-77 m/min;
and when the thickness of the base layer wound on the surface of the forming cylinder is less than or equal to the thickness A, the forming pressure of the forming cylinder is 2.2kg/cm 2 ；
When the thickness of the base layer wound on the surface of the forming cylinder reaches the thickness A and then the thickness of the base layer continuously wound is smaller than or equal to the thickness B, the forming pressure of the forming cylinder is2.0kg/cm 2 The method comprises the steps of carrying out a first treatment on the surface of the When the thickness of the small material layer wound on the surface of the forming cylinder reaches the sum of the thickness A and the thickness B and then the small material layer is continuously wound to the total thickness of the base layer of 26mm, the forming pressure of the forming cylinder is 1.8kg/cm 2 ；
When the thickness of the base layer wound on the surface of the molding cylinder exceeds 26mm, the molding pressure of the molding cylinder is 1.5kg/cm 2 The method comprises the steps of carrying out a first treatment on the surface of the When the final thickness of the base layer wound on the surface of the forming cylinder is not more than A, the forming pressure of the forming cylinder is 1.5-2.2kg/cm 2 All can be within the range: the thickness A is in the range of 10-11mm and the thickness B is in the range of 10-11 mm.
Preferably, the lignocellulose accounts for 7-10% of the dry material components except the wheat straw of the base layer; the quartz sand accounts for 34-52% of the dry material components except the wheat straw of the base layer; the calcareous material comprises one or more of lime or cement;
when the calcareous material comprises lime, the lime accounts for 10-35% of the mass of the dry material components except the wheat straw of the base layer; when the calcareous material comprises cement, the cement accounts for 0-20% of the mass of the dry material component of the base layer except the wheat straw.
Preferably, the wheat straw fished out in the step S5 needs to be washed and then dried for use.
Preferably, after the wheat straw is washed and dried, the other action mode can be uniformly paved between the wound base layers when the base layers are wound and the surface of the forming cylinder is formed.
Preferably, the foot pad can be used as a teacup pad according to the cutting size.
The beneficial effects of the invention are as follows:
1. according to the invention, diatomite is replaced by the silica-calcium gel, the enhancement effect of the silica-calcium gel is utilized, so that the breaking strength of the foot pad is increased, the durability of the foot pad is improved, the silica-calcium gel micro-pore structure can be properly perforated at the use temperature to have adsorption capacity, the silica-calcium gel can be used as a heat insulation material for chemical reaction, and can be used for absorbing water after the foot pad, and can not bring cool feel to the sole when a person steps with water, so that the heat insulation effect is realized, and the health of the person is facilitated.
2. In the production process, the wheat straw is heated in the S1 to soften the wheat straw, and as floccules are separated out by heating the wheat straw, various raw materials are continuously mixed and stirred in subsequent production, the wheat straw has a certain sterilization effect, the materials can be purified, the separated floccules can effectively adsorb impurities in the raw materials, and the impurities in the mixed raw materials are taken out when the wheat straw is taken out, so that the production of the foot pad is cleaner and healthier.
3. According to the invention, wheat straw is fished out and then cleaned and dried for standby, the standby dried wheat straw can be uniformly paved between the wound base layers in the base layer winding process, so that on one hand, the anti-cracking effect of the foot pad can be increased, the safety and cleaning problems caused by excessive broken fragments of the foot pad due to improper use are avoided, the foot pad is still connected due to the addition of the wheat straw, the potential safety hazards and cleaning problems caused by breakage are eliminated, meanwhile, the wheat straw has an inhibition effect on escherichia coli and staphylococcus aureus, the inhibition effect can necessarily improve the product quality for the foot pad used in a bathroom, the wheat straw is pressed between the base layers, and is equivalent to the blocking and filtering effect of a filter screen, so that mud water and other substances which are placed on the ground and washed down due to bathing can not permeate to the surface of the foot pad, and the household use has higher safety and environmental protection; and the wheat straw can be laid between the base layers, and the produced foot pad can still realize the water absorption function.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
The invention relates to a production process of a silica-calcium gel water-absorbing foot pad, which comprises the following steps:
s1, putting wheat straw into water, heating to 100 ℃ and keeping the temperature for 20 minutes to obtain a wheat straw mixed solution;
s2, uniformly stirring and mixing lignocellulose and the wheat straw mixed solution prepared in the step S1 to obtain lignocellulose pulp;
s3, uniformly stirring and mixing the silica-calcium gel and the quartz sand with the wood fiber slurry prepared in the S2 to obtain mixed slurry;
s4, adding a calcareous material into the mixed slurry prepared in the step S3, and uniformly stirring and mixing to obtain a base layer slurry; the base layer slurry comprises the following dry material components except the wheat straw in percentage by mass: 7-10% of lignocellulose, 6-21% of silica gel, 34-52% of quartz sand and 10-55% of calcareous material;
s6, directly winding the base layer obtained in the step S5 on the surface of a forming cylinder for forming after vacuum dehydration, wherein the forming pressure of the forming cylinder is 1.5-2.2kg/cm 2 Within the range, and the molding pressure decreases as the total thickness of the base layer wound around the molding cylinder increases;
s7, cutting after the total thickness of the base layer wound on the surface of the forming cylinder reaches the thickness required by the silica-calcium gel water-absorbing foot pad, and separating the silica-calcium gel water-absorbing foot pad plate blank from the surface of the forming cylinder to finally obtain the silica-calcium gel water-absorbing foot pad plate blank, wherein the thickness of the silica-calcium gel water-absorbing foot pad plate blank is within the range of less than or equal to 30 mm; finally, the foot pad plate blank is subjected to subsequent steaming curing treatment to obtain the foot pad substrate.
As an implementation mode of the invention, the wheat straw in the S1 is required to be rolled by a roller press and then mixed with water in a ratio of 1:5 to prepare a wheat straw mixed solution, and the wheat straw is rolled to split the straw and leak straw fibers.
As an implementation mode of the invention, the mixed liquid of the wheat straw in the step S1 needs to keep the stirring state until the step S2 is added with lignocellulose, and the stirring state is continuously ensured to avoid the floccule sinking, so that the impurity adsorption effect is reduced and the wheat straw is not easy to drag out together as the wheat straw is heated after the wheat straw is rolled and split to leak straw fibers.
As an embodiment of the present invention, the thickness of the base layer obtained in the step S6 is in the range of 0.8-1.1mm, and the water content of the base layer is between 51-59%.
As one embodiment of the present invention, the linear velocity of the small material layer wound on the outermost layer of the forming cylinder in S7 is in the range of 65-77 m/min;
and when the thickness of the base layer wound on the surface of the forming cylinder is less than or equal to the thickness A, the forming pressure of the forming cylinder is 2.2kg/cm 2 ；
When the thickness of the base layer wound on the surface of the forming cylinder reaches the thickness A and then the thickness of the base layer continuously wound is smaller than or equal to the thickness B, the forming pressure of the forming cylinder is 2.0kg/cm 2 The method comprises the steps of carrying out a first treatment on the surface of the When the thickness of the small material layer wound on the surface of the forming cylinder reaches the sum of the thickness A and the thickness B and then the small material layer is continuously wound to the total thickness of the base layer of 26mm, the forming pressure of the forming cylinder is 1.8kg/cm 2 ；
When the thickness of the base layer wound on the surface of the molding cylinder exceeds 26mm, the molding pressure of the molding cylinder is 1.5kg/cm 2 The method comprises the steps of carrying out a first treatment on the surface of the When the final thickness of the base layer wound on the surface of the forming cylinder is not more than A, the forming pressure of the forming cylinder is 1.5-2.2kg/cm 2 All can be within the range: the thickness A is in the range of 10-11mm and the thickness B is in the range of 10-11 mm.
As an embodiment of the invention, the lignocellulose accounts for 7-10% of the dry material component of the base layer except the wheat straw; the quartz sand accounts for 34-52% of the dry material components except the wheat straw of the base layer; the calcareous material comprises one or more of lime or cement;
when the calcareous material comprises lime, the lime accounts for 10-35% of the mass of the dry material components except the wheat straw of the base layer; when the calcareous material comprises cement, the cement accounts for 0-20% of the mass of the dry material component of the base layer except the wheat straw.
As an embodiment of the present invention, the wheat straw fished out in S5 needs to be washed and dried for use.
As one implementation mode of the invention, after the wheat straw is washed and dried, the wheat straw can be uniformly paved between the wound base layers when the base layers are wound and the surface of the forming cylinder is formed.
As an implementation mode of the invention, the foot pad can be used as a teacup pad according to the cutting size.
Example 1
A production process of a silica-calcium gel water-absorbing foot pad comprises the following steps:
s1, putting wheat straw into water, heating to 100 ℃ and keeping the temperature for 20 minutes to obtain a wheat straw mixed solution;
s2, uniformly stirring and mixing lignocellulose and the wheat straw mixed solution prepared in the step S1 to obtain lignocellulose pulp;
s3, uniformly stirring and mixing the silica-calcium gel and the quartz sand with the wood fiber slurry prepared in the S2 to obtain mixed slurry;
s4, adding a calcareous material into the mixed slurry prepared in the step S3, and uniformly stirring and mixing to obtain a base layer slurry; the base layer slurry comprises the following dry material components except the wheat straw in percentage by mass: 7.3% of lignocellulose, 6.3% of silica-calcium gel, 52% of quartz sand, 0% of cement and 34.4% of lime;
s5, fishing out the wheat straw in the base layer slurry obtained in the S4; discharging, pressing and dehydrating the base layer slurry of the fished-out wheat straw to obtain a base layer;
s6, directly winding the base layer obtained in the step S5 on the surface of a forming cylinder for forming after vacuum dehydration, wherein the forming pressure of the forming cylinder is 1.5-2.2kg/cm 2 Within the range, and the molding pressure decreases as the total thickness of the base layer wound around the molding cylinder increases;
s7, winding the small material layer on the outermost layer of the forming cylinder, wherein the linear speed of the small material layer is in the range of 65-77 m/min;
and when the thickness of the base layer wound on the surface of the forming cylinder is less than or equal to the thickness A, the forming pressure of the forming cylinder is 2.2kg/cm 2 ；
When the thickness of the base layer wound on the surface of the forming cylinder reaches the thickness A and then the thickness of the base layer continuously wound is smaller than or equal to the thickness B, the forming pressure of the forming cylinder is 2.0kg/cm 2 The method comprises the steps of carrying out a first treatment on the surface of the When the thickness of the small material layer wound on the surface of the forming cylinder reaches the sum of the thickness A and the thickness B and then the small material layer is continuously wound to the total thickness of the base layer of 26mm, the forming pressure of the forming cylinder is 1.8kg/cm 2 ；
When the base layer is wound on the surface of the forming cylinderWhen the thickness exceeds 26mm, the molding pressure of the molding cylinder is 1.5kg/cm 2 The method comprises the steps of carrying out a first treatment on the surface of the When the final thickness of the base layer wound on the surface of the forming cylinder is not more than A, the forming pressure of the forming cylinder is 1.5-2.2kg/cm 2 All can be within the range: the thickness A is in the range of 10-11mm, and the thickness B is in the range of 10-11 mm;
cutting and separating the silica gel water-absorbing foot pad plate blank from the surface of the forming cylinder when the total thickness of the base layer wound on the surface of the forming cylinder reaches the thickness required by the silica gel water-absorbing foot pad, and finally obtaining the silica gel water-absorbing foot pad plate blank, wherein the thickness of the silica gel water-absorbing foot pad plate blank is less than or equal to 30 mm; finally, the foot pad plate blank is subjected to subsequent steaming curing treatment to obtain the foot pad substrate.
Example 2
A production process of a silica-calcium gel water-absorbing foot pad comprises the following steps:
s1, putting wheat straw into water, heating to 100 ℃ and keeping the temperature for 20 minutes to obtain a wheat straw mixed solution;
s2, uniformly stirring and mixing lignocellulose and the wheat straw mixed solution prepared in the step S1 to obtain lignocellulose pulp;
s3, uniformly stirring and mixing the silica-calcium gel and the quartz sand with the wood fiber slurry prepared in the S2 to obtain mixed slurry;
s4, adding a calcareous material into the mixed slurry prepared in the step S3, and uniformly stirring and mixing to obtain a base layer slurry; the base layer slurry comprises the following dry material components except the wheat straw in percentage by mass: 9.6% of lignocellulose, 12.9% of silica-calcium gel, 36.3% of quartz sand, 18.6% of cement and 22.6% of lime;
s5, fishing out the wheat straw in the base layer slurry obtained in the S4; discharging, pressing and dehydrating the base layer slurry of the fished-out wheat straw to obtain a base layer;
s6, directly winding the base layer obtained in the step S5 on the surface of a forming cylinder for forming after vacuum dehydration, wherein the forming pressure of the forming cylinder is 1.5-2.2kg/cm 2 Within the range, and the molding pressure decreases as the total thickness of the base layer wound around the molding cylinder increases;
s7, winding the small material layer on the outermost layer of the forming cylinder, wherein the linear speed of the small material layer is in the range of 65-77 m/min;
and when the thickness of the base layer wound on the surface of the forming cylinder is less than or equal to the thickness A, the forming pressure of the forming cylinder is 2.2kg/cm 2 ；
When the thickness of the base layer wound on the surface of the forming cylinder reaches the thickness A and then the thickness of the base layer continuously wound is smaller than or equal to the thickness B, the forming pressure of the forming cylinder is 2.0kg/cm 2 The method comprises the steps of carrying out a first treatment on the surface of the When the thickness of the small material layer wound on the surface of the forming cylinder reaches the sum of the thickness A and the thickness B and then the small material layer is continuously wound to the total thickness of the base layer of 26mm, the forming pressure of the forming cylinder is 1.8kg/cm 2 ；
When the thickness of the base layer wound on the surface of the molding cylinder exceeds 26mm, the molding pressure of the molding cylinder is 1.5kg/cm 2 The method comprises the steps of carrying out a first treatment on the surface of the When the final thickness of the base layer wound on the surface of the forming cylinder is not more than A, the forming pressure of the forming cylinder is 1.5-2.2kg/cm 2 All can be within the range: the thickness A is in the range of 10-11mm, and the thickness B is in the range of 10-11 mm;
cutting and separating the silica gel water-absorbing foot pad plate blank from the surface of the forming cylinder when the total thickness of the base layer wound on the surface of the forming cylinder reaches the thickness required by the silica gel water-absorbing foot pad, and finally obtaining the silica gel water-absorbing foot pad plate blank, wherein the thickness of the silica gel water-absorbing foot pad plate blank is less than or equal to 30 mm; finally, the foot pad plate blank is subjected to subsequent steaming curing treatment to obtain the foot pad substrate.
Example 3
A production process of a silica-calcium gel water-absorbing foot pad comprises the following steps:
s1, putting wheat straw into water, heating to 100 ℃ and keeping the temperature for 20 minutes to obtain a wheat straw mixed solution;
s2, uniformly stirring and mixing lignocellulose and the wheat straw mixed solution prepared in the step S1 to obtain lignocellulose pulp;
s3, uniformly stirring and mixing the silica-calcium gel and the quartz sand with the wood fiber slurry prepared in the S2 to obtain mixed slurry;
s4, adding a calcareous material into the mixed slurry prepared in the step S3, and uniformly stirring and mixing to obtain a base layer slurry; the base layer slurry comprises the following dry material components except the wheat straw in percentage by mass: 8.8% of lignocellulose, 18.2% of silica-calcium gel, 38.3% of quartz sand, 9.1% of cement and 25.6% of lime;
s5, fishing out the wheat straw in the base layer slurry obtained in the S4; discharging, pressing and dehydrating the base layer slurry of the fished-out wheat straw to obtain a base layer;
s6, directly winding the base layer obtained in the step S5 on the surface of a forming cylinder for forming after vacuum dehydration, wherein the forming pressure of the forming cylinder is 1.5-2.2kg/cm 2 Within the range, and the molding pressure decreases as the total thickness of the base layer wound around the molding cylinder increases;
s7, winding the small material layer on the outermost layer of the forming cylinder, wherein the linear speed of the small material layer is in the range of 65-77 m/min;
and when the thickness of the base layer wound on the surface of the forming cylinder is less than or equal to the thickness A, the forming pressure of the forming cylinder is 2.2kg/cm 2 ；
When the thickness of the base layer wound on the surface of the forming cylinder reaches the thickness A and then the thickness of the base layer continuously wound is smaller than or equal to the thickness B, the forming pressure of the forming cylinder is 2.0kg/cm 2 The method comprises the steps of carrying out a first treatment on the surface of the When the thickness of the small material layer wound on the surface of the forming cylinder reaches the sum of the thickness A and the thickness B and then the small material layer is continuously wound to the total thickness of the base layer of 26mm, the forming pressure of the forming cylinder is 1.8kg/cm 2 ；
When the thickness of the base layer wound on the surface of the molding cylinder exceeds 26mm, the molding pressure of the molding cylinder is 1.5kg/cm 2 The method comprises the steps of carrying out a first treatment on the surface of the When the final thickness of the base layer wound on the surface of the forming cylinder is not more than A, the forming pressure of the forming cylinder is 1.5-2.2kg/cm 2 All can be within the range: the thickness A is in the range of 10-11mm, and the thickness B is in the range of 10-11 mm;
cutting and separating the silica gel water-absorbing foot pad plate blank from the surface of the forming cylinder when the total thickness of the base layer wound on the surface of the forming cylinder reaches the thickness required by the silica gel water-absorbing foot pad, and finally obtaining the silica gel water-absorbing foot pad plate blank, wherein the thickness of the silica gel water-absorbing foot pad plate blank is less than or equal to 30 mm; finally, the foot pad plate blank is subjected to subsequent steaming curing treatment to obtain the foot pad substrate.
The related data and the product performance are finally obtained through a large number of experiments, and the following three embodiments are the product experimental data obtained between the wound base layers without adding the wheat straw;
the foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A production process of a silica-calcium gel water-absorbing foot pad is characterized by comprising the following steps of: the method comprises the following steps:
s1, putting wheat straw into water, heating to 100 ℃ and keeping the temperature for 20 minutes to obtain a wheat straw mixed solution;
s2, uniformly stirring and mixing lignocellulose and the wheat straw mixed solution prepared in the step S1 to obtain lignocellulose pulp;
s3, uniformly stirring and mixing the silica-calcium gel and the quartz sand with the wood fiber slurry prepared in the S2 to obtain mixed slurry;
s4, adding a calcareous material into the mixed slurry prepared in the step S3, and uniformly stirring and mixing to obtain a base layer slurry; the base layer slurry comprises the following dry material components except the wheat straw in percentage by mass: 7-10% of lignocellulose, 6-21% of silica gel, 34-52% of quartz sand and 10-55% of calcareous material;
s5, fishing out the wheat straw in the base layer slurry obtained in the S4; discharging, pressing and dehydrating the base layer slurry of the fished-out wheat straw to obtain a base layer;
s6, directly winding the base layer obtained in the step S5 on the surface of a forming cylinder for forming after vacuum dehydration, wherein the forming pressure of the forming cylinder is 1.5-2.2kg/cm 2 Within the range, and the molding pressure decreases as the total thickness of the base layer wound around the molding cylinder increases;
s7, cutting after the total thickness of the base layer wound on the surface of the forming cylinder reaches the thickness required by the silica-calcium gel water-absorbing foot pad, and separating the silica-calcium gel water-absorbing foot pad plate blank from the surface of the forming cylinder to finally obtain a substrate of the silica-calcium gel water-absorbing foot pad, wherein the thickness of the silica-calcium gel water-absorbing foot pad is within the range of less than or equal to 30 mm; finally, the foot pad substrate is subjected to subsequent steaming curing treatment to obtain the foot pad.
2. The production process of the silica-calcium gel water-absorbing foot pad according to claim 1, which is characterized in that: the wheat straw in the step S1 is required to be rolled by a roller press and then mixed with water in a ratio of 1:5 to prepare the wheat straw mixed solution.
3. The production process of the silica-calcium gel water-absorbing foot pad according to claim 1, which is characterized in that: the mixed liquid of the wheat straw in the step S1 is kept in an agitating state until the step S2 is added with lignocellulose.
4. The production process of the silica-calcium gel water-absorbing foot pad according to claim 1, which is characterized in that: the thickness of the base layer obtained in the step S6 is in the range of 0.8-1.1mm, and the water content of the base layer is between 51 and 59%.
5. The production process of the silica-calcium gel water-absorbing foot pad according to claim 1, which is characterized in that: the linear speed of the small material layer wound on the outermost layer of the forming cylinder in the step S7 is in the range of 65-77 m/min;
and when the thickness of the base layer wound on the surface of the forming cylinder is less than or equal to the thickness A, the forming pressure of the forming cylinder is 2.2kg/cm 2 ；
When the thickness of the base layer wound on the surface of the forming cylinder reaches the thickness A and then the thickness of the base layer continuously wound is smaller than or equal to the thickness B, the forming pressure of the forming cylinder is 2.0kg/cm 2 The method comprises the steps of carrying out a first treatment on the surface of the When the thickness of the small material layer wound on the surface of the forming cylinder reaches the thickness A and the thicknessB and then continuously winding to the total thickness of 26mm, wherein the molding pressure of the molding cylinder is 1.8kg/cm 2 ；
When the thickness of the base layer wound on the surface of the molding cylinder exceeds 26mm, the molding pressure of the molding cylinder is 1.5kg/cm 2 The method comprises the steps of carrying out a first treatment on the surface of the When the final thickness of the base layer wound on the surface of the forming cylinder is not more than A, the forming pressure of the forming cylinder is 1.5-2.2kg/cm 2 All can be within the range: kg/cm 2 The thickness A is in the range of 10-11mm and the thickness B is in the range of 10-11 mm.
6. The production process of the silica-calcium gel water-absorbing foot pad according to claim 1, which is characterized in that: the lignocellulose accounts for 7-10% of the dry material components of the base layer except the wheat straw; the quartz sand accounts for 34-52% of the dry material components except the wheat straw of the base layer; the calcareous material comprises one or more of lime or cement;
when the calcareous material comprises lime, the lime accounts for 10-35% of the mass of the dry material components except the wheat straw of the base layer; when the calcareous material comprises cement, the cement accounts for 0-20% of the mass of the dry material component of the base layer except the wheat straw.
7. The production process of the silica-calcium gel water-absorbing foot pad according to claim 1, which is characterized in that: and (5) washing the wheat straw fished out in the step (S5), and drying for later use.
8. The production process of the silica-gel absorbent foot pad according to claim 7, wherein the production process comprises the following steps of: after the wheat straw is washed and dried, the wheat straw can be uniformly paved between the wound base layers in the other action mode when the base layers are wound and the surface of the forming cylinder is formed.
9. The process for producing the silica gel absorbent foot pad according to claim 8, wherein the foot pad can be used as a teacup pad according to the cutting size.
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| CN202311358485.7A CN117209246B (en) | 2023-10-19 | 2023-10-19 | Production process of silica-calcium gel water-absorbing foot pad |
| JP2024000005U JP3245882U (en) | 2023-10-19 | 2024-01-04 | Calcium silicate gel water absorption mat |
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| CN202311358485.7A CN117209246B (en) | 2023-10-19 | 2023-10-19 | Production process of silica-calcium gel water-absorbing foot pad |
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| CN117209246B (en) | 2024-06-21 |
| JP3245882U (en) | 2024-03-04 |
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