CN111890527B - Method for firing composite insulation board through shed board splicing die - Google Patents
Method for firing composite insulation board through shed board splicing die Download PDFInfo
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- CN111890527B CN111890527B CN202010779900.6A CN202010779900A CN111890527B CN 111890527 B CN111890527 B CN 111890527B CN 202010779900 A CN202010779900 A CN 202010779900A CN 111890527 B CN111890527 B CN 111890527B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/36—Linings or coatings, e.g. removable, absorbent linings, permanent anti-stick coatings; Linings becoming a non-permanent layer of the moulded article
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/29—Producing shaped prefabricated articles from the material by profiling or strickling the material in open moulds or on moulding surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/243—Setting, e.g. drying, dehydrating or firing ceramic articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0002—Auxiliary parts or elements of the mould
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/40—Moulds; Cores; Mandrels characterised by means for modifying the properties of the moulding material
- B28B7/42—Moulds; Cores; Mandrels characterised by means for modifying the properties of the moulding material for heating or cooling, e.g. steam jackets, by means of treating agents acting directly on the moulding material
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- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
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- Producing Shaped Articles From Materials (AREA)
Abstract
A method for firing composite heat-insulating board by using a slab splicing mould, which comprises splicing a plurality of slabs to form a mould, wherein the inside of the mould is provided with a rectangular inner cavity, fiber paper is laid on the bottom surface and the four peripheral surfaces of the rectangular cavity to form a fiber paper bottom layer covering the bottom surface of the rectangular cavity, laying glaze on the bottom layer of the fiber paper, laying fiber paper or hot melt paper on the upper surface of the glaze, laying blank to form a leakage-proof paper interlayer between the blank and the glaze, ensuring that the projection of the leakage-proof paper interlayer along the vertical direction corresponds to the splicing gap of the shed plate on the bottom surface of the rectangular inner cavity, thereby preventing the blank at the position corresponding to the splicing gap of the shed plate from leaking downwards to the glaze from the bottom side of the blank, then the mould is closed and sent into a crystallization furnace, so that the blank and the glaze are combined and molded through crystallization and firing, and the leakage-proof paper interlayer is melted in the crystallization firing process of the blank and the glaze, and the blank and the glaze are fired into the composite insulation board. The invention can prevent the blank from leaking to the glaze and ensure the product quality of the composite insulation board.
Description
Technical Field
The invention relates to the field of composite insulation board firing methods, in particular to a method for firing a composite insulation board through a shed board splicing die.
Background
When the composite insulation board is fired, raw materials are placed in a rectangular inner cavity of a die made of refractory materials, and the composite insulation board is finally sintered and formed through the processes of temperature rise, crystallization, rapid cooling, slow cooling and the like to manufacture the composite insulation board. At present, the size of the greenhouse plate cannot be enlarged due to the limitation of the production process of the greenhouse plate, the main application field of the composite insulation board is the integral dry hanging of an assembled house, the larger the required specification is, the better the required specification is, and therefore the production requirement of the composite insulation board is difficult to realize by taking a single greenhouse plate as a mold bottom plate, and therefore in the prior art, a plurality of greenhouse plates are often spliced into a large-size combined type greenhouse plate as the mold bottom plate to realize the firing of the large-size composite insulation board.
But because the bottom plate of mould is mosaic structure, so must have decking concatenation gap on the bottom plate of mould, when firing composite insulation board, lay the frit on the bottom plate of mould usually, lay the blank on the frit again, when the frit fires the shaping in the mould inner chamber, must can take place the shrink in the position of decking concatenation gap, the upper surface that leads to frit and blank combination also can produce the shape that does not melt the tie in the position that corresponds with decking concatenation gap, just make the blank downward seepage to the upper surface of frit in the position that corresponds with decking concatenation gap easily, cause composite insulation board's inside to produce the hourglass material defect, and the position of hourglass material defect appears the crackle easily, the fracture. The blank is prevented from leaking downwards at the position corresponding to the shed plate splicing gap of the die bottom plate by lacking a simple and reasonable means in the prior art, and the product quality of the composite heat-insulation board is difficult to guarantee.
Disclosure of Invention
The invention provides a method for firing a composite insulation board through a slab splicing die, and aims to solve the problem that when the composite insulation board is fired through the slab splicing die in the prior art, a blank is easy to leak downwards at a position corresponding to a slab splicing gap of a die bottom plate.
The technical scheme adopted by the invention for solving the technical problems is as follows: a method for firing composite insulation boards through a shed board splicing mold comprises the following steps: preparing a blank and a glaze material respectively, splicing a plurality of shed plates to form a mold, wherein a rectangular cavity is arranged in the mold, fiber paper is laid on the bottom surface and the four peripheral surfaces of the rectangular cavity to form a fiber paper bottom layer covering the bottom surface of the rectangular cavity, the glaze material is laid on the fiber paper bottom layer and the upper surface of the glaze material is scraped, then the fiber paper or hot melt paper is laid on the upper surface of the glaze material, then the blank material is laid and the upper surface of the blank material is scraped, so that a leakage-proof paper interlayer is formed between the blank material and the glaze material, the projection of the leakage-proof paper interlayer along the vertical direction is ensured to correspond to the shed plate splicing gap on the bottom surface of the rectangular cavity, thereby preventing the blank material at the position corresponding to the shed plate splicing gap from leaking downwards to the glaze material from the bottom side, then closing the mold and sending the mold into a crystallization furnace, enabling the blank material and the glaze material to be combined and molded through crystallization firing, and enabling the leakage-proof paper interlayer to be melted in the firing process of the blank material and the glaze material, thereby the blank and the glaze are fired into the composite insulation board.
Preferably, the melting temperature of the leakproof paper interlayer is 20-50 ℃ lower than the crystallization firing temperature of the blank and the glaze.
Preferably, cuboid inner chamber bottom surface has many shed board concatenation gaps that are parallel to each other, leak protection paper interlayer is including the long banding fiber paper of polylith or the hot melt paper that is located the same one deck, and polylith fiber paper or hot melt paper cover many shed board concatenation gaps respectively along vertical direction's projection.
Preferably, cuboid inner chamber bottom surface has two sets of decking concatenation gaps, and is parallel to each other with many decking concatenation gaps of a set of, and two sets of decking concatenation gaps intersect perpendicularly, leak protection paper interlayer is including being located two-layer two sets of long banding fiber paper or hot melt paper respectively, and two sets of fiber paper or hot melt paper cover two sets of decking concatenation gaps respectively along the projection of vertical direction, and wherein a set of fiber paper or hot melt paper press establish the upper surface at another all fiber paper or hot melt paper in a set of.
Preferably, the projection of the center line of the width direction of the fiber paper or the hot melt paper along the vertical direction is superposed with the splicing gap of the shed plate covered below the fiber paper or the hot melt paper.
Preferably, the anti-leakage paper interlayer is laid on the whole upper surface of the glaze, so that the projection of the anti-leakage paper interlayer along the vertical direction can cover the whole bottom surface of the rectangular inner cavity of the mold.
Preferably, the bottom layer of fibrous paper comprises one or two layers of fibrous paper.
Preferably, an automatic material distributor is adopted when the glaze and the blank are paved.
According to the technical scheme, the invention has the beneficial effects that:
according to the invention, the leakage-proof paper interlayer is laid between the blank and the glaze, and the projection of the leakage-proof paper interlayer along the vertical direction corresponds to the shed board splicing gap on the bottom surface of the rectangular inner cavity, so that when the glaze shrinks at the position of the shed board splicing gap and the positions of the upper surface of the glaze and the corresponding shed board splicing gap generate the shapes which are not melted down, such as a depression and the like, the blank can be prevented from contacting with the glaze due to the leakage-proof paper interlayer laid in advance at the position of the upper surface of the glaze and the corresponding shed board splicing gap, even if the blank generates the trend of downward leakage movement towards the glaze at the recessed position of the upper surface of the glaze, the blank at the position of the upper surface of the glaze and the corresponding shed board splicing gap can be prevented from downwards leaking to the glaze from the bottom side of the blank through the separation effect of the leakage-proof paper interlayer on the blank and the glaze, and the defect of leakage of the inner part of the composite insulation board can be prevented.
And in order to ensure that an unnecessary leakage-proof paper interlayer is not added between the blank and the glaze after the blank and the glaze are fired and formed and combined into the composite insulation board, the leakage-proof paper interlayer adopts fiber paper or hot-melt paper, the leakage-proof paper interlayer can be ensured to be melted in the crystallization firing process of the blank and the glaze, namely, when the blank and the glaze are just fired and are still in a fluid state, the blank and the glaze are separated by the leakage-proof paper interlayer, the flowability of the blank gradually disappears in the process of gradually firing the blank and the glaze into a solid state, the blank leakage cannot occur again, the leakage-proof paper interlayer can also be automatically melted and disappear in the high-temperature firing process, and the redundant leakage-proof paper interlayer cannot be reserved in the finished composite insulation board. Therefore, the invention can separate the blank and the glaze material to prevent leakage in the firing process, and can ensure that no other foreign matters exist between the blank and the glaze material after firing is finished, so that the blank and the glaze material can be fully combined into the composite heat-insulation board, the operation is simple, the cost is extremely low, and the invention is convenient for industrial popularization and application.
Drawings
FIG. 1 is a schematic view showing the relative positions of a leakproof paper interlayer and the bottom surface of a shed board splicing mold;
FIG. 2 is a schematic diagram of the relative position of the anti-leakage paper interlayer and the bottom surface of another shed board splicing mold.
The labels in the figure are: 1. shed plate, 2, leak protection paper interlayer, the dotted line indicates the shed plate concatenation gap.
Detailed Description
A method for firing composite insulation boards through a shed board splicing mold comprises the following steps: preparing blank and glaze respectively, splicing a plurality of shed plates 1 to form a mold, arranging a rectangular inner cavity in the mold, paving one or two layers of fiber paper on the bottom surface and the four peripheral surfaces of the rectangular inner cavity to form a fiber paper bottom layer covering the bottom surface of the rectangular inner cavity, paving the glaze on the fiber paper bottom layer by adopting an automatic material distributing machine, and scraping the upper surface of the glaze.
Then lay fiber paper or hot melt paper at the upper surface of frit, adopt automatic cloth machine to lay the blank again and strickle the upper surface of blank off, form leak protection paper interlayer 2 between messenger's blank and the frit, guarantee that the projection of leak protection paper interlayer 2 along vertical direction is corresponding with the ceiling board concatenation gap of cuboid inner chamber bottom surface, take place the shrink when the frit in the position of ceiling board concatenation gap, when the position that leads to the upper surface of frit and the corresponding position of ceiling board concatenation gap produces not melt flat shape such as sunken, even the blank has produced the trend towards frit seepage motion downwards in the sunken position of frit upper surface, also can prevent blank and frit contact owing to the leak protection paper interlayer 2 of laying in advance, thereby prevent to leak to the frit from its bottom side downwards with the blank of the corresponding position of ceiling board concatenation gap.
And then closing the mold and sending the mold into a crystallization furnace, so that the blank and the glaze are formed by crystallization firing in a combined manner, wherein the melting temperature of the leakage-proof paper interlayer 2 is 20-50 ℃ lower than the crystallization firing temperature of the blank and the glaze, so that the leakage-proof paper interlayer 2 can be melted in the crystallization firing process of the blank and the glaze, namely, when the blank and the glaze are just fired and are still in a fluid state, the blank and the glaze can be separated by the leakage-proof paper interlayer 2, and in the process of gradually firing the blank and the glaze into a solid state, the fluidity of the blank gradually disappears, and the leakage of the blank cannot occur again, and at the moment, the leakage-proof paper interlayer 2 can also be automatically melted and disappear in the high-temperature firing process, so that the blank and the glaze are fired into the composite insulation board, and the redundant leakage-proof paper interlayer 2 is prevented from being left in the composite insulation board.
As shown in fig. 1, the bottom surface of the mould rectangular body inner chamber is formed by the 1 concatenation of decking of three rectangles, it is shown as the dotted line to make the rectangular body inner chamber bottom surface have two, the decking concatenation gap that is parallel to each other, leak protection paper interlayer 2 is including two long banding fiber paper or hot melt paper that are located the same one deck, two fiber paper or hot melt paper cover two decking concatenation gaps respectively along the projection of vertical direction, and the projection of fiber paper or hot melt paper width direction along vertical direction coincides rather than the decking concatenation gap that the below covers, make leak protection paper interlayer 2 can play the spaced effect at the position that blank and glaze and decking concatenation gap correspond, prevent the blank seepage.
As shown in fig. 2, the bottom surface of the rectangular cavity of the mold is formed by splicing six rectangular shelf boards 1, so that the bottom surface of the rectangular cavity has three shelf board splicing gaps shown by dotted lines, wherein two of the three shelf board splicing gaps are parallel, the other shelf board splicing gaps are perpendicularly intersected with the other two shelf boards, the leakage-proof paper interlayer 2 comprises three strip-shaped fiber papers or hot melt papers which are respectively positioned at two layers, the projections of the three strip-shaped fiber papers or hot melt papers along the vertical direction respectively cover the three shelf board splicing gaps, the two parallel fiber papers or hot melt papers are firstly laid on the glaze, the other fiber paper or hot melt paper is laid on the upper surfaces of the other two fiber papers or hot melt papers, and the projections of the center lines of the width directions of the fiber papers or hot melt papers along the vertical direction coincide with the shelf board splicing gaps covered below the fiber papers, so that the leakage-proof paper interlayer 2 can play a role of separating at the positions corresponding to the blank and the shelf board splicing gaps, preventing the billet from leaking.
In addition, the leakage-proof paper interlayer 2 can be laid on the whole upper surface of the glaze, so that the projection of the leakage-proof paper interlayer 2 in the vertical direction can cover the whole bottom surface of the rectangular inner cavity of the mold, the blank and the glaze are completely separated, and the blank leakage is prevented.
Claims (7)
1. A method for firing a composite insulation board through a slab splicing mold is characterized by comprising the following steps: preparing blanks and glaze respectively, splicing a plurality of shed plates to form a mold, wherein a rectangular inner cavity is arranged in the mold, fiber paper is laid on the bottom surface and the four peripheral surfaces of the rectangular inner cavity to form a fiber paper bottom layer covering the bottom surface of the rectangular inner cavity, the glaze is laid on the fiber paper bottom layer and the upper surface of the glaze is scraped, then the fiber paper is laid on the upper surface of the glaze, then the blanks are laid and the upper surface of the blanks is scraped, so that a leakage-proof paper interlayer is formed between the blanks and the glaze, the projection of the leakage-proof paper interlayer along the vertical direction is ensured to correspond to a shed plate splicing gap on the bottom surface of the rectangular inner cavity, thereby preventing the blanks corresponding to the shed plate splicing gap from leaking downwards to the glaze from the bottom side, then the mold is closed and sent into a crystallizing furnace, the blanks and the glazes are combined and molded through crystallization firing, and the leakage-proof paper is melted in the crystallization firing process of the blanks and the glaze, so that the blank and the glaze are fired into the composite insulation board;
the melting temperature of the leakproof paper interlayer is 20-50 ℃ lower than the crystallization firing temperature of the blank and the glaze.
2. The method for firing the composite insulation board through the decking splicing mold according to claim 1, wherein the method comprises the following steps: cuboid inner chamber bottom surface has many shed board concatenation gaps that are parallel to each other, leak protection paper interlayer is including the long banding fiber paper of polylith that is located the same one deck, and polylith fiber paper covers many shed board concatenation gaps respectively along vertical direction's projection.
3. The method for firing the composite insulation board through the decking splicing mold according to claim 1, wherein the method comprises the following steps: cuboid inner chamber bottom surface has two sets of decking concatenation gaps, and is parallel to each other with many decking concatenation gaps of a set of, and two sets of decking concatenation gaps intersect perpendicularly, leak protection paper interlayer is including being located two-layer two sets of long banding fiber paper respectively, and two sets of fiber paper cover two sets of decking concatenation gaps respectively along the projection of vertical direction, and wherein a set of fiber paper presses the upper surface of establishing all fiber paper in another set of.
4. The method for firing the composite insulation board through the shed board splicing mold according to claim 2 or 3, wherein the method comprises the following steps: the projection of the center line of the width direction of the fiber paper along the vertical direction is superposed with the splicing gap of the shed plate covered below the fiber paper.
5. The method for firing the composite insulation board through the decking splicing mold according to claim 1, wherein the method comprises the following steps: the anti-leakage paper interlayer is laid on the whole upper surface of the glaze, so that the projection of the anti-leakage paper interlayer along the vertical direction can cover the whole bottom surface of the rectangular inner cavity of the mold.
6. The method for firing the composite insulation board through the decking splicing mold according to claim 1, wherein the method comprises the following steps: the fiber paper bottom layer comprises one layer or two layers of fiber paper.
7. The method for firing the composite insulation board through the decking splicing mold according to claim 1, wherein the method comprises the following steps: and an automatic material distributor is adopted when the glaze material and the blank material are paved.
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| CN202010779900.6A CN111890527B (en) | 2020-08-05 | 2020-08-05 | Method for firing composite insulation board through shed board splicing die |
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| CN202010779900.6A CN111890527B (en) | 2020-08-05 | 2020-08-05 | Method for firing composite insulation board through shed board splicing die |
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| CN111890527B true CN111890527B (en) | 2021-09-28 |
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| CN114105670A (en) * | 2021-12-09 | 2022-03-01 | 洛阳北玻硅巢技术有限公司 | Preparation method of rock plate composite light insulation board |
| CN114149249A (en) * | 2021-12-09 | 2022-03-08 | 洛阳北玻硅巢技术有限公司 | Method for preparing light insulation board by using rock plate as mold |
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| JPH03279786A (en) * | 1990-03-28 | 1991-12-10 | Nippon Steel Chem Co Ltd | Tray for ceramic raw material baking operation |
| US6984445B1 (en) * | 2000-02-28 | 2006-01-10 | Sekisui Kagaku Kogyo Kabushiki Kaisha | Multi-layer sheet, a manufacturing method of the multi-layer sheet and a molding method of the multi-layer sheet |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201460087U (en) * | 2009-05-18 | 2010-05-12 | 霍镰泉 | Waterproof ceramic tile of interior wall |
| CN204249046U (en) * | 2014-08-27 | 2015-04-08 | 孟庆洪 | The silicate plate integration apparatus doubling as mould and kiln furnitures |
| CN107285773A (en) * | 2017-08-01 | 2017-10-24 | 南通大明玉新材料科技有限公司 | A kind of shuttle kiln sintering process |
| CN208704458U (en) * | 2018-06-27 | 2019-04-05 | 佛山市金泰克陶瓷科技有限公司 | A kind of kiln furnitures of foamed ceramic firing |
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Address after: 471200 200m east of the intersection of East Ring Road and Luobo South Road, Ruyang industrial agglomeration zone, Luoyang City, Henan Province Patentee after: Luoyang Beibo Light Crystal New Material Co.,Ltd. Address before: 471200 200m east of the intersection of East Ring Road and Luobo South Road, Ruyang industrial agglomeration zone, Luoyang City, Henan Province Patentee before: Luoyang Beibo silicon nest new materials Co.,Ltd. |