CN1203972C - Paper-faced gypsum board and process for producing same - Google Patents
Paper-faced gypsum board and process for producing same Download PDFInfo
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- CN1203972C CN1203972C CN 02135129 CN02135129A CN1203972C CN 1203972 C CN1203972 C CN 1203972C CN 02135129 CN02135129 CN 02135129 CN 02135129 A CN02135129 A CN 02135129A CN 1203972 C CN1203972 C CN 1203972C
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Abstract
The present invention discloses a paper-faced gypsum board and a production method thereof. The product of the present invention takes natural gypsum as a raw material, activated carbon and other additives are added to obtain a core material, the core material firmly adheres to surface protecting paper, and the paper surface gypsum board is produced through stirring, moulding, cutting, drying and other working procedures, wherein the drying is carried out in three drying areas whose drying temperature and duration respectively are 120 to 130 DEG C and 30 to 40 minutes, 160 to 180 DEG C and 30 to 50 minutes, and 110 to 130 DEG C and 20 to 30 minutes. Compared with traditional products, the present invention not only has the advantages of the traditional products, but also has the functions of cleaning indoor static electricity, adsorbing indoor harmful gases, regulating indoor humidity, etc., and has the advantages that the total drying duration of products is 4 to 6 hours shorter than that of traditional techniques, equipment utilization rate is enhanced by 300 to 400%, and energy-saving effect is obvious.
Description
Technical field: the invention belongs to the wall decorative material technical field, relate in particular to a kind of Thistle board and production method thereof based on active carbon and land plaster.
Background technology: present employed plasterboard has fire prevention, sound insulation, heat absorption, lightweight, effect such as energy-conservation mostly, its sandwich layer is mostly made by land plaster and other additive, as the patent No. is 93202702.4 disclosed light-weight refractory Thistle boards, in order to reduce its unit weight, in land plaster, add expanded perlite; Application number is 00109541.2 disclosed novel enhanced plasterboard and preparation method, for intensity, fastness and the wearability that improves plasterboard, adds short fiber, flax silk etc. in land plaster.Though the above-mentioned Thistle board that waits is used for that indoor wall is ornamental, practicality is better, and is really powerless to point grain, the pernicious gas of indoor static electrification, can not improve living environment well; Its production method adopts raw material to send mixer to stir mostly, injects band automatically on the continuous running workbench of shop paper function through stirring, then through be extruded to shape, drying, branch cut into the specification product.This automatic degree of production line height, output are big, but the equipment investment height.The inventor who has is in order to reduce its equipment investment, researched and developed the special molding machine, as application number is that 97100618.0 disclosed technology for producing paper-face plaster board and special equipment thereof are disclosed: send mixer to stir raw material, again at special molding machine upper berth base stock, stand material, roll-forming, repave facial tissue roll-in typing, send drying kiln oven dry back to cut edge, make finished product, this production method is suitable for small enterprise, invests less.But the drying time of above-mentioned two kinds of methods is all longer, and generally at 6-8 hour, utilization rate of equipment and installations was lower; Because capable again separating and cutting process also easily causes uneven drying one, unstable product quality after the employing oven dry.
Summary of the invention: the technical problem to be solved in the present invention is, because the Thistle board of prior art can not be removed indoor static, absorption pernicious gas effectively and cause technical problems such as living environment can not get improving preferably thus: another technical problem that the present invention will solve is, shorten the drying time of product, make the quality homogeneous of product.
The technical scheme of technical solution problem of the present invention is, is raw material with the plaster of paris, adds additive formation cores such as active carbon, and bonds together securely with mask paper.
The raw material of core of the present invention is formed and weight proportion is;
Land plaster 82-90 part, active carbon 5-10 part,
Cornstarch 0.5-0.8 part, paper fiber 0.3-0.5 part.
Preferred raw material forms and weight proportion is:
Land plaster 85-88 part, active carbon 7-9 part,
Cornstarch 0.6-0.7 part, paper fiber 0.3-0.5 part.
Best raw material is formed and weight proportion is:
86 parts of land plasters, 8 parts of active carbons,
0.7 part of cornstarch, 0.4 part of paper fiber.
Need to pulverize earlier before the active carbon batching in the described raw material, its particle diameter is not more than 2mm.
Described raw material weight water addition ratio is 1: 0.6-0.7.
Paper-faced gyp plate producing process of the present invention is successively through following operation production:
(1) stirs: described raw material is delivered to respectively by proportioning fully stirs into the foam-like slip in the mixer;
(2) moulding: the slip that stirs injects band and spreads extruding on the continuous running workbench of paper function, moulding automatically;
(3) cut: after the moulding roll-in is solidified, cut by specification:
(4) oven dry: send into drying machine after cutting and dry.Drying machine is divided into three baking zones: the first baking zone temperature is 120-130 ℃, dry 30-40 minute, moisture content is fully evaporated; The second baking zone temperature is 160-180 ℃, dry 30-50 minute, makes between active carbon and the land plaster closely to contact, and bonds together securely with mask paper; The 3rd baking zone temperature is 110-130 ℃, dry 20-30 minute, and make the product inwardness stable, and progressively cooling:
(5) side cut, check warehouse-in: the product after the oven dry is repaired, is put in storage after the assay was approved through cutting edge.
The present invention compares with traditional product, except that the advantage with traditional product, also has effects such as indoor static, adsorbing indoor harmful gases and the adjusting indoor humidity of removing; Its product drying time shortens 4-6 hour than traditional handicraft, and utilization rate of equipment and installations improves 300-400%, and because stoving process is again cut in employing earlier, makes product be easy to drying, the quality homogeneous, and energy-saving effect is obvious.
The specific embodiment:
Embodiment 1: will get 820kg through electronic weighing balance through the land plaster of storage, ageing earlier and send in the mixer, to pulverize the active carbon that the back particle diameter is not more than 2mm again and take by weighing 100kg, take by weighing cornstarch 5kg simultaneously, paper fiber 5kg, water 650kg make mixed slurry and together send into and fully stir into the foam-like slip in the mixer; Then the slip that stirs is injected band and spread extrusion modling on the continuous running workbench of paper function automatically; After the moulding roll-in is solidified, cut and send into drying oven and dry, the first baking zone temperature is 120 ℃, enter second baking zone after dry 40 minutes, temperature is 180 ℃, enters the 3rd baking zone after dry 30 minutes, and temperature is 110 ℃, dry 30 minutes, when waiting to reduce to normal temperature, the finishing of cutting edge, warehouse-in after the assay was approved.
Embodiment 2; According to embodiment 1, wherein land plaster 900kg, active carbon 50kg, cornstarch 8kg, paper fiber 3kg, the first baking zone temperature is 130 ℃, dry 30 minutes, the second baking zone temperature was 160 ℃, dry 50 minutes, the 3rd baking zone temperature is 130 ℃, dry 20 minutes.
Embodiment 3: according to embodiment 1, and wherein land plaster 880kg, active carbon 90kg, cornstarch 6kg, paper fiber 5kg, the first baking zone temperature is 125 ℃, dry 35 minutes, the second baking zone temperature was 170 ℃, dry 40 minutes, 120 ℃ of the 3rd baking zone temperature, dry 25 minutes.
Embodiment 4: according to enforcement 1 and embodiment 3, wherein land plaster 860kg, active carbon 80kg, cornstarch 7kg, paper fiber 4kg.
The said goods meets the GB/T9775-1999 national standard after testing.
Claims (7)
1, a kind of Thistle board comprises mask paper and core; Core is a raw material with the plaster of paris, it is characterized in that also adding active carbon, cornstarch and paper fiber additive and constitutes; Successively through stirring, moulding, cut, operation production such as oven dry.
2, Thistle board according to claim 1 is characterized in that the raw material composition and the weight proportion of core is: land plaster 82-90 part, active carbon 5-10 part, cornstarch 0.5-0.8 part, paper fiber 0.3-0.5 part.
3, Thistle board according to claim 1 is characterized in that the raw material composition and the weight proportion of core is: land plaster 85-88 part, active carbon 7-9 part, cornstarch 0.6-0.7 part, paper fiber 0.3-0.5 part.
4, Thistle board according to claim 1 is characterized in that the raw material composition and the weight proportion of core is: 86 parts of land plasters, 8 parts of active carbons, 0.7 part of cornstarch, 0.4 part of paper fiber.
5, according to claim 1,2,3 or 4 described Thistle boards, it is characterized in that needing to pulverize earlier before the active carbon batching, its particle diameter is not more than 2mm.
6, according to claim 1,2,3 or 4 described Thistle boards, the weight water addition ratio that it is characterized in that the core raw material is 1: 0.6-0.7.
7, according to the production method of the described Thistle board of claim 1, it is characterized in that the baking operation in the production process, drying machine is divided into three baking zones: the first baking zone temperature is 120-130 ℃, dry 30-40 minute; The second baking zone temperature is 160-180 ℃, dry 30-50 minute; The 3rd baking zone temperature is 110-130 ℃, dry 20-30 minute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02135129 CN1203972C (en) | 2002-06-20 | 2002-06-20 | Paper-faced gypsum board and process for producing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02135129 CN1203972C (en) | 2002-06-20 | 2002-06-20 | Paper-faced gypsum board and process for producing same |
Publications (2)
| Publication Number | Publication Date |
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| CN1463839A CN1463839A (en) | 2003-12-31 |
| CN1203972C true CN1203972C (en) | 2005-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 02135129 Expired - Fee Related CN1203972C (en) | 2002-06-20 | 2002-06-20 | Paper-faced gypsum board and process for producing same |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101575901B (en) * | 2009-06-06 | 2011-02-09 | 泰山石膏股份有限公司 | Process for producing thistle boards from phosphogypsum, desulfurization gypsum and natural gypsum |
| CN102380903B (en) * | 2010-08-31 | 2013-08-28 | 泰山石膏股份有限公司 | Large-scale production process for paper surface gypsum boards with annual yield scale being 50 million square meters |
| CN102515679A (en) * | 2011-12-06 | 2012-06-27 | 梁艺翰 | Environment-friendly energy-saving activated carbonized light-weight wall material as well as production method and application thereof |
| CN103553528B (en) * | 2013-10-22 | 2014-12-10 | 平邑中兴盛建材有限公司 | Charcoal environment-friendly gypsum plaster board with paper surfaces |
| CN103556542B (en) * | 2013-10-22 | 2015-05-13 | 平邑中兴盛建材有限公司 | Charcoal environment-friendly mask paper of gypsum plaster board |
| CN103556777B (en) * | 2013-11-19 | 2015-09-02 | 平邑中兴盛建材有限公司 | A kind of wallboard composite material of heat preservation and soundproof waterproof |
| CN103556720B (en) * | 2013-11-19 | 2015-09-02 | 平邑中兴盛建材有限公司 | A kind of wall thermal insulating fire-resistant composite panel |
| CN105669247B (en) * | 2014-11-20 | 2018-11-30 | 中建材创新科技研究院有限公司 | A kind of preparation method of mould proof Thistle board |
| CN105649261B (en) * | 2014-11-20 | 2018-08-14 | 中建材创新科技研究院有限公司 | A kind of preparation method of mould proof Thistle board |
| CN106517850A (en) * | 2016-10-13 | 2017-03-22 | 常州市鼎升环保科技有限公司 | Preparation method of environment-friendly water-resistant gypsum plaster board |
| CN107160548B (en) * | 2017-07-05 | 2019-02-26 | 四川省高宇新型建材有限公司 | Thistle board Sheetmaking systems |
| CN109057210A (en) * | 2018-09-11 | 2018-12-21 | 张贺栋 | A kind of Thistle board and its production method |
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2002
- 2002-06-20 CN CN 02135129 patent/CN1203972C/en not_active Expired - Fee Related
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