CN111320433A - Graphite high-temperature-resistant plate - Google Patents
Graphite high-temperature-resistant plate Download PDFInfo
- Publication number
- CN111320433A CN111320433A CN201811522167.9A CN201811522167A CN111320433A CN 111320433 A CN111320433 A CN 111320433A CN 201811522167 A CN201811522167 A CN 201811522167A CN 111320433 A CN111320433 A CN 111320433A
- Authority
- CN
- China
- Prior art keywords
- graphite
- powder
- gypsum
- foaming agent
- concentration
- 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.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Porous Artificial Stone Or Porous Ceramic Products (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention relates to a graphite high-temperature-resistant plate, which belongs to the field of graphite products, wherein although graphite is partially utilized in the conventional composite insulation board, the finished product structure of the composite insulation board is in a loose layered structure, so that the strength is low and the water absorption is high, and the application of the composite insulation board is restricted to a certain extent. A high-temp. resistant graphite plate is prepared from graphite powder as main raw material, silicate cement, slow-drying gypsum powder, gypsum foaming agent, quartz sand, styrene-acrylic emulsion, asbestos fibre and urea-formaldehyde resin through stirring at 15-20 deg.C to become paste, and hot pressing to become high-temp. resistant 550 deg.C.
Description
Technical Field
The invention relates to a graphite high-temperature-resistant plate, belongs to the field of graphite products, and particularly relates to a high-temperature-resistant plate manufactured by taking graphite as a main raw material.
Background
The graphite has good high temperature resistance, heat conductivity and chemical stability. Although graphite is partially utilized in the existing composite insulation board, the finished product structure of the composite insulation board is in a loose layered structure, so that the strength is low and the water absorption is high, and the application of the composite insulation board is restricted to a certain extent.
Disclosure of Invention
The invention relates to a graphite high-temperature resistant plate which solves the defects, wherein graphite powder is used as a main raw material, silicate cement, slow-drying gypsum powder, a gypsum foaming agent, quartz sand, styrene-acrylic emulsion, asbestos fiber and urea resin are added, the graphite high-temperature resistant plate is fully stirred into paste in a container with the temperature of 15-20 ℃, and then hot-pressed and formed by a mould and a press machine to form the 550 ℃ resistant high-temperature plate.
A graphite high-temperature resistant plate comprises 22% of graphite powder, 8% of Portland cement, 23% of slow-drying gypsum powder, 10% of gypsum foaming agent, 6% of quartz sand, 7% of styrene-acrylic emulsion, 19% of asbestos fiber and 5% of urea-formaldehyde resin;
the graphite powder is granular with the particle size of 0.05mm-0.1 mm;
the portland cement is 525# quick-drying type;
silica powder with the slow dry gypsum powder content of 55 percent;
the gypsum foaming agent is an alkaline foaming agent with the concentration of 60 percent;
the quartz sand is quartz stone powder with the particle size of 0.02mm-0.05 mm;
the concentration of the styrene-acrylic emulsion is 75%;
the asbestos fiber is 20mm-50mm in length;
the concentration of the urea-formaldehyde resin is 65-78%;
fully stirring the raw materials in a stirrer at 15-20 ℃, then blending with 5% of clear water for stirring again for less than 6min, pouring the stirred raw materials into a mould, troweling, placing on a press machine, pressing for 2h by using the pressure of 40Mpa per square centimeter, taking out, placing in a drying room at 150 ℃, baking for 3-6h, stacking and warehousing.
Has the advantages that: although graphite is partially utilized in the existing composite insulation board, the finished product structure of the composite insulation board is in a loose layered structure, so that the strength is low and the water absorption is high, and the application of the composite insulation board is restricted to a certain extent. A high-temp. resistant graphite plate is prepared from graphite powder as main raw material, silicate cement, slow-drying gypsum powder, gypsum foaming agent, quartz sand, styrene-acrylic emulsion, asbestos fibre and urea-formaldehyde resin through stirring at 15-20 deg.C to become paste, and hot pressing to become 550 deg.C resistant plate.
Detailed Description
Examples
A graphite high-temperature resistant plate comprises 22% of graphite powder, 8% of Portland cement, 23% of slow-drying gypsum powder, 10% of gypsum foaming agent, 6% of quartz sand, 7% of styrene-acrylic emulsion, 19% of asbestos fiber and 5% of urea-formaldehyde resin;
the graphite powder is granular with the particle size of 0.05mm-0.1 mm;
the portland cement is 525# quick-drying type;
silica powder with the slow dry gypsum powder content of 55 percent;
the gypsum foaming agent is an alkaline foaming agent with the concentration of 60 percent;
the quartz sand is quartz stone powder with the particle size of 0.02mm-0.05 mm;
the concentration of the styrene-acrylic emulsion is 75%;
the asbestos fiber is 20mm-50mm in length;
the concentration of the urea-formaldehyde resin is 65-78%;
fully stirring the raw materials in a stirrer at 15-20 ℃, then blending with 5% of clear water for stirring again for less than 6min, pouring the stirred raw materials into a mould, troweling, placing on a press machine, pressing for 2h by using the pressure of 40Mpa per square centimeter, taking out, placing in a drying room at 150 ℃, baking for 3-6h, stacking and warehousing.
Claims (1)
1. A graphite high-temperature resistant plate comprises 22% of graphite powder, 8% of Portland cement, 23% of slow-drying gypsum powder, 10% of gypsum foaming agent, 6% of quartz sand, 7% of styrene-acrylic emulsion, 19% of asbestos fiber and 5% of urea-formaldehyde resin;
the graphite powder is granular with the particle size of 0.05mm-0.1 mm;
the portland cement is 525# quick-drying type;
silica powder with the slow dry gypsum powder content of 55 percent;
the gypsum foaming agent is an alkaline foaming agent with the concentration of 60 percent;
the quartz sand is quartz stone powder with the particle size of 0.02mm-0.05 mm;
the concentration of the styrene-acrylic emulsion is 75%;
the asbestos fiber is 20mm-50mm in length;
the concentration of the urea-formaldehyde resin is 65-78%;
fully stirring the raw materials in a stirrer at 15-20 ℃, then blending with 5% of clear water for stirring again for less than 6min, pouring the stirred raw materials into a mould, troweling, placing on a press machine, pressing for 2h by using the pressure of 40Mpa per square centimeter, taking out, placing in a drying room at 150 ℃, baking for 3-6h, stacking and warehousing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811522167.9A CN111320433A (en) | 2018-12-13 | 2018-12-13 | Graphite high-temperature-resistant plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811522167.9A CN111320433A (en) | 2018-12-13 | 2018-12-13 | Graphite high-temperature-resistant plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111320433A true CN111320433A (en) | 2020-06-23 |
Family
ID=71168579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811522167.9A Pending CN111320433A (en) | 2018-12-13 | 2018-12-13 | Graphite high-temperature-resistant plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111320433A (en) |
-
2018
- 2018-12-13 CN CN201811522167.9A patent/CN111320433A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200623 |