CN115246743A - High-stability neutral furnace lining material and preparation method thereof - Google Patents
High-stability neutral furnace lining material and preparation method thereof Download PDFInfo
- Publication number
- CN115246743A CN115246743A CN202110469962.1A CN202110469962A CN115246743A CN 115246743 A CN115246743 A CN 115246743A CN 202110469962 A CN202110469962 A CN 202110469962A CN 115246743 A CN115246743 A CN 115246743A
- Authority
- CN
- China
- Prior art keywords
- quartz sand
- stirring
- lining material
- furnace lining
- coarse particles
- 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
Classifications
-
- 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/10—Monolithic linings; Supports therefor
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3409—Boron oxide, borates, boric acids, or oxide forming salts thereof, e.g. borax
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/38—Non-oxide ceramic constituents or additives
- C04B2235/3817—Carbides
- C04B2235/3826—Silicon carbides
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ceramic Products (AREA)
Abstract
The invention discloses a high-stability neutral furnace lining material and a preparation method thereof, belonging to the technical field of furnace lining materials, quartz sand is placed on a screening machine for vibration screening, quartz sand coarse particles with the same size are selected, and the screened quartz sand coarse particles are cleaned and dried for later use; putting the screened quartz sand into a crusher to crush for crushing operation, dividing the quartz sand coarse particles into three components, grouping according to the proportion of 1.
Description
Technical Field
The invention relates to the technical field of furnace lining materials, in particular to a high-stability neutral furnace lining material and a preparation method thereof.
Background
The furnace lining material is generally in direct contact with a high-temperature furnace or carbon bricks, and is required to bear higher temperature when the furnace works, and the ideal furnace lining material needs to have lower heat conductivity coefficient, so that the hot surface temperature of the carbon bricks can be reduced or the heat loss of the furnace is reduced. The scheme is that the bottom of an electric furnace is thickened in the process of building the furnace, however, the bottom of the electric furnace is lost firstly in the using process, the upper part of the electric furnace does not have too much loss, and the lining material for the medium-frequency induction furnace for smelting carbon steel in the prior art is mostly prepared by mixing quartz as a main raw material and boric acid as a sintering agent. Quartz can generate crystal form transformation at higher temperature to reduce the erosion resistance of the furnace lining material and further aggravate the erosion of the bottom of the furnace lining, so that a high-stability neutral furnace lining material and a preparation method thereof are provided.
Disclosure of Invention
The invention aims to provide a high-stability neutral furnace lining material and a preparation method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a high-stability neutral furnace lining material is prepared from the following raw materials: quartz sand, alumina powder, silicon carbide, boric acid additive and mineralizer.
Preferably, the raw material components in weight ratio are as follows: 20-40 parts of quartz sand, 10-15 parts of alumina powder, 3-5 parts of silicon carbide, 0.5-1 part of boric acid additive and 0.5-1 part of mineralizer.
A high-stability neutral furnace lining material comprises the following raw material components in parts by weight: 20-40 parts of quartz sand, 10-15 parts of alumina powder, 3-5 parts of silicon carbide, 0.5-1 part of boric acid additive and 0.5-1 part of mineralizer.
3. A preparation method of a high-stability neutral furnace lining material comprises the following steps:
s1: placing quartz sand on a screening machine for vibration screening, selecting quartz sand coarse particles with the same size, cleaning the screened quartz sand coarse particles, and drying for later use;
s2, putting the screened quartz sand into crushing for crushing operation, dividing the quartz sand coarse particles into three components, and grouping according to the proportion of 1;
s3: sequentially putting three groups of quartz sand particles with different particle sizes into a stirrer, stirring and mixing, after stirring for 20min, adding alumina powder, silicon carbide and boric acid additive, stirring and mixing again, stirring for 30min, adding a proper amount of water, and continuing stirring;
s4: adding a mineralizer into the stirred mixture material, stirring for three times, and stirring for 30min to obtain the required furnace lining material.
Preferably, the stirring speed of the stirrer is controlled to be 100 to 900r/min in the step S3, and the stirring speed of the stirrer is changed to be 100 to 600r/min in the step S4.
Compared with the prior art, the invention has the beneficial effects that: the quartz sand particles with different granularities obtained by three times of crushing are used as the basic raw material of the furnace lining material and are combined with the alumina powder and the silicon carbide, so that the obtained furnace lining material has good physical properties and impact resistance and good wear resistance, and the acid and alkali are not easy to wear the furnace lining, thereby effectively improving the practical performance and the service life of the furnace lining material.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the contents 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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example 1
A preparation method of a high-stability neutral furnace lining material comprises the following steps:
s1: 20 parts of quartz sand is placed on a screening machine for vibration screening, coarse quartz sand particles with the same size are selected, and the screened coarse quartz sand particles are cleaned and dried for later use;
s2, putting the screened quartz sand into crushing for crushing operation, dividing the quartz sand coarse particles into three components, and grouping according to the proportion of 1;
s3: sequentially putting three groups of quartz sand particles with different particle sizes into a stirrer, stirring and mixing, after stirring for 20min, adding 10 parts of alumina powder, 3 parts of silicon carbide and 0.5 part of boric acid additive, stirring and mixing again, stirring for 30min, adding a proper amount of water, and continuing stirring, wherein the stirring speed is controlled to be 100-900r/min;
s4: the stirring speed of the stirrer is changed to 100-600r/min, 0.5 part of mineralizer is added into the stirred mixture material for stirring three times, and the mixture material is stirred for 30min to obtain the required furnace lining material.
Example 2
A preparation method of a high-stability neutral furnace lining material comprises the following steps:
s1: placing 40 parts of quartz sand on a screening machine for vibration screening, selecting quartz sand coarse particles with the same size, cleaning the screened quartz sand coarse particles, and drying for later use;
s2, putting the screened quartz sand into crushing for crushing operation, dividing the quartz sand coarse particles into three components, and grouping according to the proportion of 1;
s3: sequentially putting three groups of quartz sand particles with different particle sizes into a stirrer, stirring and mixing, after stirring for 20min, adding 15 parts of alumina powder, 5 parts of silicon carbide and the boric acid additive 1, stirring and mixing again, stirring for 30min, adding a proper amount of water, and continuing stirring, wherein the stirring speed is controlled to be 100-900r/min;
s4: the stirring speed of the stirrer is changed to 100-600r/min, the mineralizer 1 is added into the stirred mixture material for stirring three times, and the mixture material is stirred for 30min to obtain the required furnace lining material.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A high-stability neutral furnace lining material is characterized in that: the preparation method comprises the following steps: quartz sand, alumina powder, silicon carbide, boric acid additive and mineralizer.
2. The high-stability neutral lining material according to claim 1, wherein: the raw material components by weight ratio are as follows: 20-40 parts of quartz sand, 10-15 parts of alumina powder, 3-5 parts of silicon carbide, 0.5-1 part of boric acid additive and 0.5-1 part of mineralizer.
3. The method for preparing the high-stability neutral furnace lining material according to claim 1, comprising the following steps of:
s1: placing quartz sand on a screening machine for vibration screening, selecting quartz sand coarse particles with the same size, cleaning the screened quartz sand coarse particles, and drying for later use;
s2, putting the screened quartz sand into crushing for crushing operation, dividing the quartz sand coarse particles into three components, and grouping according to the proportion of 1;
s3: sequentially putting three groups of quartz sand particles with different particle sizes into a stirrer, stirring and mixing, after stirring for 20min, adding aluminum oxide powder, silicon carbide and boric acid additive, stirring and mixing again, stirring for 30min, adding a proper amount of water, and continuing stirring;
s4: adding a mineralizer into the stirred mixture material, stirring for three times, and stirring for 30min to obtain the required furnace lining material.
4. The high-stability neutral furnace lining material and the preparation method thereof according to claim 1, wherein the high-stability neutral furnace lining material comprises the following components in percentage by weight: in the step S3, the stirring speed of the stirrer is controlled to be 100-900r/min, and in the step S4, the stirring speed of the stirrer is changed to be 100-600r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110469962.1A CN115246743A (en) | 2021-04-28 | 2021-04-28 | High-stability neutral furnace lining material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110469962.1A CN115246743A (en) | 2021-04-28 | 2021-04-28 | High-stability neutral furnace lining material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115246743A true CN115246743A (en) | 2022-10-28 |
Family
ID=83696980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110469962.1A Pending CN115246743A (en) | 2021-04-28 | 2021-04-28 | High-stability neutral furnace lining material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115246743A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115772030A (en) * | 2022-12-23 | 2023-03-10 | 英赛德耐火材料（镇江）有限公司 | Furnace lining formula with large-particle quartz sand dry vibration material and processing method thereof |
-
2021
- 2021-04-28 CN CN202110469962.1A patent/CN115246743A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115772030A (en) * | 2022-12-23 | 2023-03-10 | 英赛德耐火材料（镇江）有限公司 | Furnace lining formula with large-particle quartz sand dry vibration material and processing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110104997A (en) | A kind of regeneration concrete and its production technology | |
| CN102173588B (en) | Slag glass ceramic pipe and preparation method thereof | |
| CN107973610B (en) | Silicon carbide ramming mass taking waste silicon carbide saggar as main raw material | |
| CN101973775B (en) | Repairing mass and preparation method thereof | |
| CN109704774B (en) | Preparation method of high-thermal-conductivity castable for hearth of blast furnace bottom instead of carbon brick | |
| CN101284736A (en) | Antisticking coating mixture for steel-smelting and preparation method threreof | |
| CN103290430A (en) | Preparation method of anode steel claw protective ring for electrolytic aluminum | |
| CN103880447B (en) | COREX stove corundum-mullite composite brick and preparation method thereof | |
| CN110028303B (en) | Reinforced porcelain prepared from common domestic ceramic blank and preparation method thereof | |
| CN102515801A (en) | Silica brick for glass furnace | |
| CN109836136A (en) | A kind of low-carbon aluminium-magnesia carbon brick and preparation method thereof | |
| CN101602604A (en) | A kind of blast furnace mud and method of manufacturing technology thereof | |
| CN103864443B (en) | Cement kiln siliceous mullite brick and preparation method thereof | |
| CN115246743A (en) | High-stability neutral furnace lining material and preparation method thereof | |
| CN107954710A (en) | A kind of carborundum combination titanium calcium aluminate multiple phase refractory material and preparation method thereof | |
| CN110577397A (en) | high-performance clay brick produced by waste clay brick and preparation method thereof | |
| CN104030709A (en) | High-temperature nano radiation coating for heating furnace and preparation process thereof | |
| CN107673767B (en) | Low-carbon aluminum sliding plate added with magnesium-calcium-aluminum sand and preparation method thereof | |
| CN103964867B (en) | A kind of silicon carbide brick fuel and preparation method thereof | |
| CN108516846A (en) | A kind of hot-blast stove silica brick and preparation method thereof | |
| CN106673672A (en) | Composition for preparing molten aluminum runner, molten aluminum runner and preparation method of molten aluminum runner | |
| CN107540351A (en) | A kind of high-purity composite of seawater magnesia magnesium aluminate spinel zirconium oxide | |
| CN108218393B (en) | Preparation of Al by using coal gangue2O3Method for preparing-SiC-C series stemming fire-resistant material | |
| CN110156481A (en) | Utilize the refractory material of model casting antiquated sand preparation and the preparation method of refractory material | |
| CN104355635A (en) | Casting material and preparation method and use thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication |