CN114105453A - Heat insulation process for quartz plate production - Google Patents
Heat insulation process for quartz plate production Download PDFInfo
- Publication number
- CN114105453A CN114105453A CN202111336923.0A CN202111336923A CN114105453A CN 114105453 A CN114105453 A CN 114105453A CN 202111336923 A CN202111336923 A CN 202111336923A CN 114105453 A CN114105453 A CN 114105453A
- Authority
- CN
- China
- Prior art keywords
- mould
- mold
- heat insulation
- quartz plate
- solution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 82
- 239000010453 quartz Substances 0.000 title claims abstract description 81
- 238000009413 insulation Methods 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 34
- 238000003723 Smelting Methods 0.000 claims abstract description 26
- 238000004321 preservation Methods 0.000 claims abstract description 19
- 239000002002 slurry Substances 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 6
- 230000000694 effects Effects 0.000 claims description 10
- 208000037656 Respiratory Sounds Diseases 0.000 claims description 7
- 238000007493 shaping process Methods 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 4
- 238000005253 cladding Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 3
- 239000011440 grout Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims 3
- 230000008018 melting Effects 0.000 claims 3
- 230000017525 heat dissipation Effects 0.000 description 5
- 239000000843 powder Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000005350 fused silica glass Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B19/00—Other methods of shaping glass
- C03B19/02—Other methods of shaping glass by casting molten glass, e.g. injection moulding
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B20/00—Processes specially adapted for the production of quartz or fused silica articles, not otherwise provided for
Abstract
The invention discloses a heat insulation and preservation process for quartz plate production, which comprises the steps of mould heat insulation, pouring heat preservation, smelting furnace grouting, molten slurry filling into a mould, cooling and forming, mould overturning, heat insulation layer dismounting and demoulding and material taking, wherein a heat insulation plate is additionally arranged on the outer wall of the mould, the mould is coated by the heat insulation layer consisting of the heat insulation plate, and a sleeve arranged between the smelting furnace and an opening of the mould can be used for carrying out heat preservation on high-temperature solution poured into the mould. The product quality of the quartz plate is greatly improved.
Description
The technical field is as follows:
the invention belongs to the technical field of quartz plate processing, and particularly relates to a heat insulation process for quartz plate production.
Background art:
the quartz plate is a sheet product which is formed by vulcanizing fine quartz powder through a special process and has ultrahigh wear resistance, acid and alkali resistance, aging resistance, corrosion resistance, high insulation, water resistance and skid resistance. In the production process of the quartz plate, the quartz fine powder needs to be dissolved to form a fused quartz solution, then the high-temperature quartz solution is poured into a vertically-erected mold below the high-temperature quartz solution from a high-position erected smelting furnace, the quartz solution is cooled and formed, the vertically-erected mold is turned over to be in a flat state after being formed, and then demolding operation is carried out, so that the quartz plate can be produced.
Traditional quartz plate is in the production process of reality, the heat preservation is not installed additional between smelting pot and mould to the majority, local cooling appears before getting into the mould in the quartz solution that easily leads to the high temperature molten state, and not at mould externally mounted thermal-insulated structure, the in-process of mould is covered with to the quartz solution successive layer at the high temperature molten state, the solution that easily leads to the bottom cools off in advance, whole cooling process cooling rate is inhomogeneous, easily lead to quartz plate shaping back production fault or crackle, greatly reduced the product quality of quartz plate.
The invention content is as follows:
the invention aims to solve the problems and provide a heat insulation and preservation process for quartz plate production, wherein a solution is prevented from being cooled in advance by a preservation structure in the slurry pouring process of a smelting furnace, the heat dissipation speed of a mould is reduced by a heat insulation layer, the uniform cooling speed of the quartz solution is ensured, faults or cracks caused by uneven heat dissipation in the forming process of a quartz plate are avoided, and the product quality of the quartz plate is effectively improved.
In order to solve the problems, the invention provides a technical scheme of a heat insulation process for quartz plate production, which comprises the following steps:
a heat insulation and preservation process for quartz plate production comprises die heat insulation, slurry pouring and preservation, furnace grouting, molten slurry entering a die, cooling and forming, die overturning, heat insulation layer dismounting and die stripping and material taking; install the insulating layer before the smelting pot grout in the mould outside, the mould upset that will lie flat after the insulating layer installation was accomplished is to the vertical state, fix insulation construction in the position between smelting pot and the mould top opening again, the upset smelting pot pours the quartz solution of high temperature molten state into the mould, progressively cool down the mould by the insulating layer, ensure that the inside solution of mould cools off the shaping after slowly cooling down, avoid cooling down fast or local cooling inhomogeneous to lead to the quartz plate surface to produce the crackle, treat quartz plate cooling shaping back, overturn the mould of vertical state to the state of lying flat, demolish the insulating layer of the outside cladding of mould again, after the mould drawing of patterns is handled, can take out fashioned quartz plate.
As preferred, the mould is thermal-insulated, with four heat insulating boards attached on four lateral walls of mould, then keep away from open-ended one end at the mould and install a heat insulating board additional, the inside equipartition of every heat insulating board is equipped with the thermal resistance silk, can heat the mould after the thermal resistance silk circular telegram, reduce the inside heat of mould and scatter and disappear the speed, play good thermal-insulated effect, the phenomenon that the layering cooling appears after preventing high temperature molten state's quartz solution to get into the mould, wait to be covered with the solution in the mould and then cool down by the heat insulating board, can guarantee that the solution in the mould is cooled down simultaneously, the problem that the layering cooling easily leads to fashioned quartz plate fault crackle appears has effectively been solved.
Preferably, the slurry pouring and heat preservation are implemented by erecting a sleeve with openings at two ends between a smelting furnace and an opening at the top end of a mold, a thermal resistance wire is arranged in the sleeve, the sleeve can be heated after the thermal resistance wire is electrified, and when a quartz solution in a high-temperature molten state passes through the sleeve and enters the mold, the solution can be prevented from being cooled in advance before entering the mold under the heat preservation effect of the sleeve, so that the solution forming effect is effectively improved.
Preferably, the molten slurry is filled into a mold, the furnace is turned over, the quartz solution in a high-temperature molten state is poured into the mold from the opening at the top end of the mold, the slurry pouring is stopped until the mold is filled with the solution, and the furnace is turned over to return to the initial state.
Preferably, the cooling forming is performed, the power supply on the heat insulation plate is turned off, the heating of the thermal resistance wire in the heat insulation plate is stopped, the heat in the mold is slowly dissipated, and when the temperature of the quartz solution in the high-temperature molten state in the mold is reduced, the quartz solution can be cooled and formed into a solid quartz plate.
Preferably, after the quartz plate is cooled and formed, the turnover mold turns over the mold from the vertical state to the horizontal state by a worker, so that the overall height of the mold is reduced, and the thermal insulation layer is convenient to disassemble.
Preferably, the thermal insulation layer is detached, and after the mold is turned to be in a lying state, the thermal insulation plate mounted outside the mold is detached, so that the subsequent demolding operation is facilitated.
Preferably, the demolding and material taking are carried out, after the heat insulation plate is detached from the mold, the mold is separated and detached, and the molded quartz plate can be conveniently taken out from the interior of the mold.
The invention has the beneficial effects that:
according to the invention, the heat preservation structure is erected between the smelting furnace and the vertical mould top end opening, so that the solution can be prevented from being cooled in advance before entering the mould in the slurry pouring process of the smelting furnace, the heat insulation layer is coated outside the mould, the heat dissipation speed in the mould can be reduced in the process that the solution is distributed in the mould cavity layer by layer, the bottom layer solution is prevented from being cooled in advance, the uniform cooling speed of the quartz solution is ensured, the occurrence of faults or cracks due to uneven heat dissipation in the forming process of the quartz plate is avoided, and the product quality of the quartz plate is greatly improved.
Description of the drawings:
for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a schematic flow chart of the present invention.
The specific implementation mode is as follows:
as shown in fig. 1, the following technical solutions are adopted in the present embodiment:
the embodiment provides a heat insulation and preservation process for quartz plate production, which comprises the steps of mould heat insulation, slurry pouring and preservation, smelting furnace grouting, molten slurry filling, cooling and forming, mould overturning, heat insulation layer dismounting and demoulding and material taking; install the insulating layer before the smelting pot grout in the mould outside, the mould upset that will lie flat after the insulating layer installation was accomplished is to the vertical state, fix insulation construction in the position between smelting pot and the mould top opening again, the upset smelting pot pours the quartz solution of high temperature molten state into the mould, progressively cool down the mould by the insulating layer, ensure that the inside solution of mould cools off the shaping after slowly cooling down, avoid cooling down fast or local cooling inhomogeneous to lead to the quartz plate surface to produce the crackle, treat quartz plate cooling shaping back, overturn the mould of vertical state to the state of lying flat, demolish the insulating layer of the outside cladding of mould again, after the mould drawing of patterns is handled, can take out fashioned quartz plate.
The mould is thermal-insulated, install five heat insulating boards respectively on four lateral walls of mould and the outer wall of keeping away from the open end, the inside equipartition of every heat baffle is equipped with the hot resistance silk, can heat the mould after the hot resistance silk circular telegram, reduce the speed that the inside heat of mould scatters and disappears, play good thermal-insulated effect, the phenomenon of layering cooling appears after preventing the quartz solution of high temperature molten state from getting into the mould, treat to be filled with in the mould and cool down by the heat insulating board again, can guarantee that the solution in the mould is cooled down simultaneously, effectively solved the layering cooling and easily leaded to fashioned quartz plate fault crackle's problem to appear.
The slurry pouring and heat preservation device is characterized in that a sleeve with openings at two ends is erected at a position between a smelting furnace and an opening at the top end of a mold, a thermal resistance wire is arranged inside the sleeve, the sleeve can be heated after the thermal resistance wire is electrified, and when quartz solution in a high-temperature molten state passes through the sleeve and enters the mold, the quartz solution can be prevented from being cooled in advance before entering the mold under the heat preservation effect of the sleeve, so that the solution forming effect is effectively improved.
And pouring the molten slurry into a mold, turning over the smelting furnace, pouring the quartz solution in a high-temperature molten state into the mold from the opening at the top end of the mold, stopping pouring the molten slurry until the mold is filled with the solution, and turning over the smelting furnace to recover the initial state.
And cooling and forming, namely turning off a power supply on the heat insulation plate, stopping heating the thermal resistance wire in the heat insulation plate, waiting for the slow dissipation of heat in the mold, and cooling and forming the quartz plate into a solid quartz plate after the temperature of the quartz solution in the high-temperature molten state in the mold is reduced.
After the quartz plate is cooled and formed, the mold is turned over from the vertical state to the horizontal state by workers, so that the overall height of the mold is reduced, and the thermal insulation layer is conveniently detached.
The thermal insulation layer is disassembled, and after the mold is turned to be in a lying state, the thermal insulation plate arranged outside the mold is disassembled, so that the subsequent demolding operation is facilitated.
And after the thermal insulation plate is detached from the mold, the mold is separated and detached, so that the formed quartz plate can be conveniently taken out from the interior of the mold.
Specifically, when the mold is in a flat state, the thermal baffles are arranged on the four outer side walls of the mold and the outer walls of the mold far away from the opening end, after the five thermal baffles are fixed, the five thermal baffles form thermal insulation layers and cover the outside of the mold, the mold in the flat state is turned to be in a vertical state, the opening at the top end of the mold is positioned at the position below the smelting furnace, sleeves with openings at the top end and the bottom end are erected between the opening at the top end of the mold and the smelting furnace, the smelting furnace is turned over and quartz solution in a high-temperature molten state is poured into the mold, the thermal resistance wires arranged in the sleeves are electrified in the process, then the sleeves can be heated, the cooling speed of the high-temperature solution passing through the sleeves can be reduced, the high-temperature solution is prevented from being cooled before entering the mold, and the thermal resistance wires arranged in the thermal baffles are electrified in the process that the high-temperature solution is fully distributed in the inner cavity of the mold layer by layer, the mold can be heated, the speed of heat dissipation inside the mold is reduced, a good heat insulation effect is achieved, the problem that high-temperature solution entering the mold at first is cooled in advance is avoided, faults are effectively prevented from occurring after the quartz plate is formed, after the high-temperature solution is fully distributed in the inner cavity of the mold, a circuit connected with thermal resistance wires in the thermal insulation plate is closed, the cooling forming of the solution inside the mold is waited, after the high-temperature solution in the mold is cooled and formed into a solid quartz plate, the mold in a vertical state is turned to a lying state again, the thermal insulation plate is detached from the outside of the mold, and then the formed quartz plate can be taken out after the mold is opened.
While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (8)
1. A heat insulation and preservation process for quartz plate production is characterized by comprising mould heat insulation, slurry pouring and preservation, smelting furnace grouting, molten slurry filling, cooling and forming, mould overturning, heat insulation layer dismounting and demoulding material taking; install the insulating layer before the smelting pot grout in the mould outside, the mould upset that will lie flat after the insulating layer installation was accomplished is to the vertical state, fix insulation construction in the position between smelting pot and the mould top opening again, the upset smelting pot pours the quartz solution of high temperature molten state into the mould, progressively cool down the mould by the insulating layer, ensure that the inside solution of mould cools off the shaping after slowly cooling down, avoid cooling down fast or local cooling inhomogeneous to lead to the quartz plate surface to produce the crackle, treat quartz plate cooling shaping back, overturn the mould of vertical state to the state of lying flat, demolish the insulating layer of the outside cladding of mould again, after the mould drawing of patterns is handled, can take out fashioned quartz plate.
2. The heat insulation process for producing the quartz plate according to claim 1, characterized in that: the mould is thermal-insulated, with four heat insulating boards attached on four lateral walls of mould, keep away from open-ended one end at the mould again and install a heat insulating board additional, the inside equipartition of every heat insulating board is equipped with the thermal resistance silk, can heat the mould after the thermal resistance silk circular telegram, reduce the speed that the inside heat of mould scatters and disappears, play good thermal-insulated effect, the phenomenon of layering cooling appears after preventing high temperature molten state's quartz solution from getting into the mould, wait to be covered with the solution in the mould and cool down by the heat insulating board again, can guarantee that the solution in the mould is cooled down simultaneously, the problem that the layering cooling easily leads to fashioned quartz plate fault crackle appears has effectively been solved.
3. The heat insulation process for producing the quartz plate according to claim 1, characterized in that: the pouring and heat preservation structure is characterized in that a sleeve with openings at two ends is erected at a position between a smelting furnace and an opening at the top end of a mold, a thermal resistance wire is arranged inside the sleeve, the sleeve can be heated after the thermal resistance wire is electrified, and when quartz solution in a high-temperature melting state passes through the sleeve and enters the mold, the solution can be prevented from being cooled in advance before entering the mold under the heat preservation effect of the sleeve, so that the solution forming effect is effectively improved.
4. The heat insulation process for producing the quartz plate according to claim 1, characterized in that: and (3) putting the molten slurry into a mold, turning over the melting furnace, pouring the quartz solution in a high-temperature molten state into the mold from the opening at the top end of the mold, stopping pouring the molten slurry until the mold is filled with the solution, and turning over the melting furnace to recover the initial state.
5. The heat insulation process for producing the quartz plate according to claim 1, characterized in that: and cooling and forming, namely closing a power supply on the heat insulation plate, stopping heating the hot resistance wire in the heat insulation plate, waiting for the slow dissipation of heat in the mold, and cooling and forming the quartz plate into a solid quartz plate after the temperature of the quartz solution in a high-temperature molten state in the mold is reduced.
6. The heat insulation process for producing the quartz plate according to claim 1, characterized in that: after the quartz plate is cooled and formed, the mold is turned from the vertical state to the horizontal state by workers, so that the overall height of the mold is reduced, and the thermal insulation layer is conveniently detached.
7. The heat insulation process for producing the quartz plate according to claim 1, characterized in that: and after the thermal insulation layer is disassembled and the mold is turned to be in a lying state, the thermal insulation plate arranged outside the mold is disassembled, so that the subsequent demolding operation is facilitated.
8. The heat insulation process for producing the quartz plate according to claim 1, characterized in that: and demolding and taking materials, and separating and disassembling the mold after the heat insulation plate is detached from the mold, so that the molded quartz plate can be conveniently taken out from the interior of the mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111336923.0A CN114105453A (en) | 2021-11-12 | 2021-11-12 | Heat insulation process for quartz plate production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111336923.0A CN114105453A (en) | 2021-11-12 | 2021-11-12 | Heat insulation process for quartz plate production |
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| Publication Number | Publication Date |
|---|---|
| CN114105453A true CN114105453A (en) | 2022-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111336923.0A Pending CN114105453A (en) | 2021-11-12 | 2021-11-12 | Heat insulation process for quartz plate production |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001026430A (en) * | 1999-07-13 | 2001-01-30 | Suzuka Fuji Xerox Co Ltd | Glass forming mold and glass forming process |
| CN2880815Y (en) * | 2006-03-01 | 2007-03-21 | 荆州市菲利华石英玻璃有限公司 | Large scale quartz glass plate producing apparatus |
| CN205653333U (en) * | 2016-05-04 | 2016-10-19 | 安徽恒乐家庭用品有限公司 | Glass cup suppression forming die's local heat preservation device |
| CN209957638U (en) * | 2019-03-13 | 2020-01-17 | 泰安恒成复合材料工程技术有限公司 | Optical glass strip production device |
| CN111977940A (en) * | 2020-09-24 | 2020-11-24 | 连云港三明石英制品有限公司 | Multifunctional quartz glass continuous melting furnace |
-
2021
- 2021-11-12 CN CN202111336923.0A patent/CN114105453A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001026430A (en) * | 1999-07-13 | 2001-01-30 | Suzuka Fuji Xerox Co Ltd | Glass forming mold and glass forming process |
| CN2880815Y (en) * | 2006-03-01 | 2007-03-21 | 荆州市菲利华石英玻璃有限公司 | Large scale quartz glass plate producing apparatus |
| CN205653333U (en) * | 2016-05-04 | 2016-10-19 | 安徽恒乐家庭用品有限公司 | Glass cup suppression forming die's local heat preservation device |
| CN209957638U (en) * | 2019-03-13 | 2020-01-17 | 泰安恒成复合材料工程技术有限公司 | Optical glass strip production device |
| CN111977940A (en) * | 2020-09-24 | 2020-11-24 | 连云港三明石英制品有限公司 | Multifunctional quartz glass continuous melting furnace |
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Application publication date: 20220301 |