CN114751625A - Preparation of high-temperature-resistant electrode heating brick and glass processing method in glass kiln - Google Patents
Preparation of high-temperature-resistant electrode heating brick and glass processing method in glass kiln Download PDFInfo
- Publication number
- CN114751625A CN114751625A CN202210452607.8A CN202210452607A CN114751625A CN 114751625 A CN114751625 A CN 114751625A CN 202210452607 A CN202210452607 A CN 202210452607A CN 114751625 A CN114751625 A CN 114751625A
- Authority
- CN
- China
- Prior art keywords
- electrode heating
- heating brick
- glass
- temperature
- kiln
- 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
- 238000010438 heat treatment Methods 0.000 title claims abstract description 144
- 239000011449 brick Substances 0.000 title claims abstract description 123
- 239000011521 glass Substances 0.000 title claims abstract description 112
- 238000002360 preparation method Methods 0.000 title claims description 16
- 238000003672 processing method Methods 0.000 title description 4
- 239000011241 protective layer Substances 0.000 claims abstract description 48
- 239000000203 mixture Substances 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 19
- 239000000843 powder Substances 0.000 claims abstract description 18
- 239000004115 Sodium Silicate Substances 0.000 claims abstract description 17
- 239000007864 aqueous solution Substances 0.000 claims abstract description 17
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052911 sodium silicate Inorganic materials 0.000 claims abstract description 17
- 238000002156 mixing Methods 0.000 claims abstract description 11
- 238000003756 stirring Methods 0.000 claims abstract description 10
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 9
- 230000000630 rising effect Effects 0.000 abstract description 12
- 239000010410 layer Substances 0.000 abstract description 9
- 238000004321 preservation Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000002253 acid Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000012088 reference solution Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000006060 molten glass Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/02—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
- C03B5/167—Means for preventing damage to equipment, e.g. by molten glass, hot gases, batches
- C03B5/1672—Use of materials therefor
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Furnace Details (AREA)
Abstract
The invention relates to the technical field of glass kiln processing, in particular to a method for preparing a high-temperature-resistant electrode heating brick and processing glass in a glass kiln, the protective layer is coated on the surface of the electrode heating brick, so that the electrode heating brick is effectively protected in the heating and baking stage of the glass kiln, the protective layer is a sticky mixture formed by mixing and stirring a sodium silicate aqueous solution and glass powder in proportion, the electrode heating brick coated with the protective layer can be used for 12-24 months longer than the electrode heating brick not coated with the protective layer, meanwhile, the temperature rising speed of the electrode heating brick without the heat-insulating layer in the kiln is only 4-5 ℃/h, the temperature rising speed of the electrode heating brick coated with the heat-insulating layer in the kiln reaches 6-10 ℃/h, so that the kiln period is shortened, thereby the later use of the whole electrode heating brick can not be influenced when the electrode heating brick of the heat preservation is smeared.
Description
Technical Field
The invention relates to the technical field of glass kiln processing, in particular to a preparation method of a high-temperature-resistant electrode heating brick and a glass processing method in a glass kiln.
Background
In the production of TFT-LCD substrate glass, a glass kiln is a core device and plays a key role in changing glass from a solid state to a liquid state. The quality of the molten glass directly influences the final quality of the glass product. The electrode bricks which have heating function to the glass kiln are expensive. In the early stage of the temperature rise of the glass kiln, the electrode heating brick directly faces the baking with high temperature in the kiln, which directly influences the service life of the electrode brick and the heating state in the later stage of production.
In the original stage of heating and baking the glass kiln, the electrode heating brick is not protected and is directly baked at high temperature in the kiln. This will directly influence the life of the electrode brick and the heating state of the later production work. The electrode heating bricks are protected during the heating up of the kiln.
Disclosure of Invention
Aiming at the problem that the electrode heating brick cannot be protected in the heating and kiln-baking stage of the glass kiln in the prior art, the invention provides a preparation method of the high-temperature-resistant electrode heating brick and a glass processing method in the glass kiln, which effectively play a role in protecting the electrode heating brick in the heating process and avoid influencing the service life of the electrode heating brick and the heating state in later production.
The invention is realized by the following technical scheme:
a preparation method of a high-temperature-resistant electrode heating brick comprises the following steps:
mixing and stirring glass powder and a sodium silicate aqueous solution to form a viscous mixture;
and uniformly coating the sticky mixture on the surface of the electrode heating brick to form a protective layer, standing, and solidifying the protective layer to obtain the high-temperature-resistant electrode heating brick.
Preferably, the feed-liquid ratio of the glass powder to the sodium silicate aqueous solution is (10-20) g: (50-100) ml.
Preferably, the sticky mixture is uniformly coated on the surface of the electrode heating brick through a brush to form a protective layer.
Preferably, the viscous mixture is uniformly coated on the surface of the electrode heating brick to form a protective layer, and then the standing time range is as follows: 1-2 h.
Preferably, the thickness of the protective layer on the surface of the electrode heating brick is 5-10 mm.
A high-temperature-resistant electrode heating brick is obtained by the preparation method of the high-temperature-resistant electrode heating brick.
A method for processing glass in a glass kiln comprises the following steps:
placing the high-temperature-resistant electrode heating brick in a glass kiln;
the glass is placed in a glass kiln, the glass kiln heating kiln directly bakes the high-temperature-resistant electrode heating brick, and the glass is processed and produced.
Preferably, the temperature rising speed of the glass kiln temperature rising and baking kiln is 6-10 ℃/h.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention provides a preparation method of a high-temperature-resistant electrode heating brick, which is characterized in that a protective layer is coated on the surface of the electrode heating brick, so that the electrode heating brick is effectively protected in the heating and baking stage of a glass kiln, the protective layer is a sticky mixture formed by mixing and stirring a sodium silicate aqueous solution and glass powder in proportion, and the sodium silicate aqueous solution has the physical and chemical properties of strong binding power, higher strength, good acid resistance, good heat resistance and the like. Mixing the glass powder and the glass powder according to a certain proportion to form a protective layer, coating the protective layer on the surface of the electrode heating brick to play a role in protecting the electrode heating brick, wherein the electrode heating brick coated with the protective layer can be used for 12-24 months longer than the electrode heating brick not coated with the protective layer, the temperature rise speed of the electrode heating brick not coated with the heat-insulating layer in a kiln is only 4-5 ℃/h, the temperature rise speed of the electrode heating brick coated with the heat-insulating layer in the kiln reaches 6-10 ℃/h, so that the kiln cycle is shortened, and meanwhile, the high temperature resistance of the electrode heating brick not coated with the heat-insulating layer in the kiln is 800-; the high temperature resistance of the electrode heating brick coated with the heat-insulating layer in a baking kiln is 1500-1700 ℃; thereby the later use of whole electrode heating brick can not be influenced in the electrode heating brick of paining the heat preservation.
The utility model provides a high temperature resistant electrode heating brick, can directly face the stoving of stove high temperature in the early glass kiln intensification stage, the effectual life who prolongs high temperature resistant electrode heating brick has guaranteed the heating state of later stage glass production and processing.
A method for processing glass in a glass kiln adopts a high-temperature-resistant electrode heating brick to be placed in the early stage of temperature rise of the glass kiln, so that the glass processing quality is ensured, and the glass processing efficiency is improved.
Drawings
FIG. 1 is a flow chart of the preparation method of the high temperature resistant electrode heating brick of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The invention is described in further detail below with reference to the accompanying drawings:
referring to fig. 1, the invention provides a preparation method of a high temperature resistant electrode heating brick, which effectively plays a role in protecting the electrode heating brick in the heating process and avoids influencing the service life of the electrode heating brick and the later production heating state.
Specifically, the preparation method of the high-temperature-resistant electrode heating brick comprises the following steps:
step 1, mixing and stirring glass powder and a sodium silicate aqueous solution to form a viscous mixture;
and 2, uniformly coating the viscous mixture on the surface of the electrode heating brick to form a protective layer, standing, and solidifying the protective layer to obtain the high-temperature-resistant electrode heating brick.
Specifically, the feed-liquid ratio of the glass powder to the sodium silicate aqueous solution is (10-20) g: (50-100) ml.
Specifically, the glass powder and the sodium silicate aqueous solution are mixed and stirred according to the ratio of the reference solution to the reference solution of 1:5 to form a sticky mixture.
Specifically, the sticky mixture is uniformly coated on the surface of the electrode heating brick through a brush to form a protective layer.
Specifically, the viscous mixture is uniformly coated on the surface of the electrode heating brick to form a protective layer, and then the standing time range is as follows: 1-2 h.
Specifically, the thickness of the protective layer on the surface of the electrode heating brick is 5-10 mm.
The high-temperature-resistant electrode heating brick obtained by the preparation method of the high-temperature-resistant electrode heating brick can be directly baked at high temperature in a furnace in the early glass kiln temperature rise stage, so that the service life of the high-temperature-resistant electrode heating brick is effectively prolonged, and the heating state of later glass production and processing is ensured.
The method for processing the glass in the glass kiln by using the high-temperature-resistant electrode heating brick obtained by the preparation method comprises the following steps:
placing the high-temperature-resistant electrode heating brick in a glass kiln;
the glass is placed in a glass kiln, the glass kiln heating kiln directly bakes the high-temperature-resistant electrode heating brick, and the glass is processed and produced.
Specifically, the heating speed of the glass kiln heating and baking kiln is 6-10 ℃/h.
Example 1
In example 1, there is provided a method for preparing a high temperature resistant electrode heating brick, comprising the steps of:
pouring 10g of glass powder into 50ml of sodium silicate aqueous solution, mixing and stirring according to the material-liquid ratio to form a viscous mixture
And uniformly coating the viscous mixture on the surface of the electrode heating brick to form a protective layer, standing for 2 hours when the thickness of the protective layer on the surface of the electrode heating brick is 10mm, and solidifying the protective layer to obtain the high-temperature-resistant electrode heating brick.
Placing the high-temperature-resistant electrode heating brick in a glass kiln during glass processing in the glass kiln;
the glass is placed in a glass kiln, the glass kiln heating kiln directly bakes the high-temperature-resistant electrode heating brick, the heating rate reaches 10 ℃/h, and the glass is processed and produced.
Example 2
In example 2, there is provided a method for preparing a high temperature resistant electrode heating brick, comprising the steps of:
pouring 15g of glass powder into 60ml of sodium silicate aqueous solution, mixing and stirring according to the material-liquid ratio to form a viscous mixture
And uniformly coating the sticky mixture on the surface of the electrode heating brick to form a protective layer, standing for 1.5 hours when the thickness of the protective layer on the surface of the electrode heating brick is 9.5mm, and solidifying the protective layer to obtain the high-temperature-resistant electrode heating brick.
Placing the high-temperature-resistant electrode heating brick in a glass kiln during glass processing in the glass kiln;
the glass is placed in a glass kiln, the temperature rising baking kiln of the glass kiln directly bakes the high-temperature resistant electrode heating brick, the temperature rising speed reaches 8.5 ℃/h, and the glass is processed and produced.
And uniformly coating the sticky mixture on the surface of the electrode heating brick to form a protective layer, and solidifying the protective layer to obtain the high-temperature-resistant electrode heating brick.
Example 3
In example 3, there is provided a method for preparing a high temperature resistant electrode heating brick, comprising the steps of:
pouring 13g of glass powder into 80ml of sodium silicate aqueous solution, mixing and stirring according to the material-liquid ratio to form a viscous mixture
And uniformly coating the viscous mixture on the surface of the electrode heating brick to form a protective layer, standing for 1.5 hours when the thickness of the protective layer on the surface of the electrode heating brick is 9mm, and solidifying the protective layer to obtain the high-temperature-resistant electrode heating brick.
Placing the high-temperature-resistant electrode heating brick in a glass kiln during glass processing in the glass kiln;
the glass is placed in a glass kiln, the temperature rising baking kiln of the glass kiln directly bakes the high-temperature resistant electrode heating brick, the temperature rising speed reaches 7 ℃/h, and the glass is processed and produced.
Example 4
In example 4, there is provided a method for preparing a high temperature resistant electrode heating brick, comprising the steps of:
pouring 16g of glass powder into 90ml of sodium silicate aqueous solution, mixing and stirring according to the material-liquid ratio to form a viscous mixture
And uniformly coating the viscous mixture on the surface of the electrode heating brick to form a protective layer, standing for 2 hours when the thickness of the protective layer on the surface of the electrode heating brick is 7mm, and solidifying the protective layer to obtain the high-temperature-resistant electrode heating brick.
Placing the high-temperature-resistant electrode heating brick in a glass kiln during glass processing in the glass kiln;
the glass is placed in a glass kiln, the glass kiln heating kiln directly bakes the high-temperature-resistant electrode heating brick, the heating rate reaches 8 ℃/h, and the glass is processed and produced.
Example 5
In example 5, there is provided a method for preparing a high temperature resistant electrode heating brick, comprising the steps of:
in example 4, there is provided a method for preparing a high temperature resistant electrode heating brick, comprising the steps of:
18g of glass powder is poured into 100ml of sodium silicate aqueous solution to be mixed and stirred according to the material-liquid ratio to form a sticky mixture
And uniformly coating the viscous mixture on the surface of the electrode heating brick to form a protective layer, standing for 1 hour when the thickness of the protective layer on the surface of the electrode heating brick is 5mm, and solidifying the protective layer to obtain the high-temperature-resistant electrode heating brick.
Placing the high-temperature-resistant electrode heating brick in a glass kiln during glass processing in the glass kiln;
the glass is placed in a glass kiln, the temperature rising baking kiln of the glass kiln directly bakes the high-temperature resistant electrode heating brick, the temperature rising speed reaches 6 ℃/h, and the glass is processed and produced.
In conclusion, the invention provides a preparation method of a high-temperature-resistant electrode heating brick, which is characterized in that a protective layer is coated on the surface of the electrode heating brick, so that the electrode heating brick is effectively protected in the heating and baking stage of a glass kiln, the protective layer is a sticky mixture formed by mixing and stirring a sodium silicate aqueous solution and glass powder in proportion, and the sodium silicate aqueous solution has the physical and chemical properties of strong binding power, higher strength, good acid resistance, good heat resistance and the like. The protective layer is formed after being mixed with the glass powder according to a certain proportion, the protective layer is coated on the surface of the electrode heating brick, the protective effect on the electrode heating brick can be achieved, the electrode heating brick coated with the protective layer can be used for 12-24 months in a prolonged way compared with the electrode heating brick not coated with the protective layer, meanwhile, the temperature rising speed of the electrode heating brick not coated with the heat preservation layer in a baking kiln is only 4-5 ℃/h, the temperature rising speed of the electrode heating brick coated with the heat preservation layer in the baking kiln reaches 6-10 ℃/h, the period of the baking kiln is shortened, and the later use of the whole electrode heating brick can not be affected when the electrode heating brick coated with the heat preservation layer is used. The high-temperature-resistant electrode heating brick is placed in the early temperature rise stage of the glass kiln, so that the glass processing quality is guaranteed, and the glass processing efficiency is improved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.
Claims (8)
1. The preparation method of the high-temperature-resistant electrode heating brick is characterized by comprising the following steps of:
mixing and stirring glass powder and a sodium silicate aqueous solution to form a viscous mixture;
and uniformly coating the viscous mixture on the surface of the electrode heating brick to form a protective layer, standing, and solidifying the protective layer to obtain the high-temperature-resistant electrode heating brick.
2. The method for preparing the high-temperature-resistant electrode heating brick as claimed in claim 1, wherein the feed-liquid ratio of the glass powder to the sodium silicate aqueous solution is (10-20) g: (50-100) ml.
3. The method for preparing a high temperature resistant electrode heating brick according to claim 1, wherein the sticky mixture is uniformly coated on the surface of the electrode heating brick by a brush to form a protective layer.
4. The preparation method of the high-temperature-resistant electrode heating brick as claimed in claim 1, wherein the viscous mixture is uniformly coated on the surface of the electrode heating brick to form a protective layer, and then the mixture is allowed to stand for a time range of: 1-2 h.
5. The method for preparing the high-temperature-resistant electrode heating brick as claimed in claim 1, wherein the thickness of the protective layer on the surface of the electrode heating brick is 5-10 mm.
6. A high-temperature-resistant electrode heating brick, which is obtained by the preparation method of the high-temperature-resistant electrode heating brick of any one of claims 1 to 5.
7. A method for processing glass in a glass kiln is characterized by comprising the following steps:
placing the refractory electrode heating brick of claim 6 in a glass kiln;
the glass is placed in a glass kiln, the glass kiln heating kiln directly bakes the high-temperature-resistant electrode heating brick, and the glass is processed and produced.
8. The method as claimed in claim 7, wherein the temperature-raising speed of the glass kiln is 6-10 ℃/h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210452607.8A CN114751625A (en) | 2022-04-27 | 2022-04-27 | Preparation of high-temperature-resistant electrode heating brick and glass processing method in glass kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210452607.8A CN114751625A (en) | 2022-04-27 | 2022-04-27 | Preparation of high-temperature-resistant electrode heating brick and glass processing method in glass kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114751625A true CN114751625A (en) | 2022-07-15 |
Family
ID=82332217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210452607.8A Pending CN114751625A (en) | 2022-04-27 | 2022-04-27 | Preparation of high-temperature-resistant electrode heating brick and glass processing method in glass kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114751625A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0078715A1 (en) * | 1981-11-04 | 1983-05-11 | Corning Glass Works | Glass-melting furnaces |
| CN101638525A (en) * | 2008-07-30 | 2010-02-03 | 辽宁科技大学 | High-temperature resistant antioxidant coating for metal material |
| CN107189502A (en) * | 2017-06-12 | 2017-09-22 | 东旭科技集团有限公司 | The guard method of coating composition, tin oxide electrode coating and tin oxide electrode |
| CN207958111U (en) * | 2017-11-09 | 2018-10-12 | 彩虹集团（邵阳）特种玻璃有限公司 | A kind of cover-plate glass kiln electrode |
| CN110963671A (en) * | 2019-12-06 | 2020-04-07 | 彩虹集团有限公司 | Method for protecting electrodes of advanced glass kiln in thermal state |
-
2022
- 2022-04-27 CN CN202210452607.8A patent/CN114751625A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0078715A1 (en) * | 1981-11-04 | 1983-05-11 | Corning Glass Works | Glass-melting furnaces |
| CN101638525A (en) * | 2008-07-30 | 2010-02-03 | 辽宁科技大学 | High-temperature resistant antioxidant coating for metal material |
| CN107189502A (en) * | 2017-06-12 | 2017-09-22 | 东旭科技集团有限公司 | The guard method of coating composition, tin oxide electrode coating and tin oxide electrode |
| CN207958111U (en) * | 2017-11-09 | 2018-10-12 | 彩虹集团（邵阳）特种玻璃有限公司 | A kind of cover-plate glass kiln electrode |
| CN110963671A (en) * | 2019-12-06 | 2020-04-07 | 彩虹集团有限公司 | Method for protecting electrodes of advanced glass kiln in thermal state |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1844277A (en) | High temperature far infrared insulated energy-saving paint and method for preparing same | |
| JPH03218980A (en) | High zirconia-based hot-melt casting refractory | |
| CN112851118A (en) | Tellurate glass with high refractive index and preparation method thereof | |
| CN110951102A (en) | Flame-retardant PC board and preparation process thereof | |
| CN102758200B (en) | Preparing method for sol-gel silica film | |
| CN110950538B (en) | Preparation method of low-expansion high-temperature-resistant environment-friendly medium-low-temperature transparent glass glaze | |
| CN114751625A (en) | Preparation of high-temperature-resistant electrode heating brick and glass processing method in glass kiln | |
| CN104387096A (en) | Corundum spinel unburned brick for smelting steel ladle and preparation method of corundum spinel unburned brick | |
| CN108863304A (en) | Ceramic batch, pottery and preparation method thereof | |
| CN108715554A (en) | The naked burning coating of functional refractory material | |
| CN104876444A (en) | Ce and Y codoped modified sealing-in microcrystalline glass | |
| CA2072946A1 (en) | Rare earth-containing frits having a high glass transition temperature and their use for the production of enamels having improved heat resistance | |
| CN104654805B (en) | A kind of vacuum drying oven quartz resistance tube heater and preparation method thereof | |
| CN109437935A (en) | The production method of phosphate high-alumina brick | |
| CN102060440B (en) | High-pressure-resistant sealing microcrystalline glass and use thereof | |
| JP5096289B2 (en) | Glass molded body and method for producing crystallized glass molded body | |
| CN103880283B (en) | Platinum wire-drawing crucible surface oxidation-resistant protective coating and its preparation method and application | |
| CN107103969A (en) | A kind of preparation method of ceramic insulator | |
| RU2651825C1 (en) | Method for producing glazed bricks | |
| CN113800890A (en) | Composition and forming method of high-oxygen slag scouring resistant composite magnesia carbon brick | |
| CN112047744A (en) | Heat insulation material and preparation method and application thereof | |
| CN111333330A (en) | Glass powder for sealing nickel-based superalloy and preparation and use methods thereof | |
| JPH08188473A (en) | Monolithic refractory for spraying | |
| RU2674482C2 (en) | Method for producing glazed bricks | |
| CN114843054B (en) | Encapsulating material and encapsulating method for piezoresistor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220715 |