CN111116181A - Novel torpedo car refractory material lining and construction process - Google Patents
Novel torpedo car refractory material lining and construction process Download PDFInfo
- Publication number
- CN111116181A CN111116181A CN201811283689.8A CN201811283689A CN111116181A CN 111116181 A CN111116181 A CN 111116181A CN 201811283689 A CN201811283689 A CN 201811283689A CN 111116181 A CN111116181 A CN 111116181A
- Authority
- CN
- China
- Prior art keywords
- parts
- light
- coating
- clay
- torpedo
- 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.)
- Granted
Links
Images
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
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
- C04B35/101—Refractories from grain sized mixtures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/02—Linings
-
- 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
- C04B2235/3427—Silicates other than clay, e.g. water glass
- C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
-
- 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
- C04B2235/349—Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite
-
- 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
-
- 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)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Abstract
The invention relates to the technical field of torpedo car linings, in particular to a novel torpedo car refractory material lining and a construction process, which comprises a light refractory spray coating and comprises the following raw materials in parts by mass: 10-15 parts of corundum aggregate; 5-10 parts of corundum powder; 15-25 parts of light mullite; 20-30 parts of plastic clay; 10-20 parts of fly ash floating beads; 0.2-0.5 part of high-temperature cement; 1-3 parts of methyl cellulose; the novel lining of the torpedo tank car consists of an upper semicircular part and a lower semicircular part; the upper semicircular part sequentially comprises a nano coating, a calcium-magnesium plate, a clay brick, a coating material and an ASC brick; the lower semicircular part sequentially comprises a nano coating, the light fire-resistant paint spraying layer and an ASC brick; the light refractory spray coating and the lining structure can ensure the long-period safe operation of the torpedo tank car, reduce the heat loss of the shell of the torpedo tank, and achieve the purposes of reducing the temperature of molten iron, saving energy and reducing consumption.
Description
Technical Field
The invention belongs to the technical field of torpedo car linings, and particularly relates to a novel torpedo car refractory material lining and a construction process.
Background
At present, the lining heat-insulating structure of the torpedo car mainly comprises a permanent layer, a castable and a heat-insulating layer, plays a role in containing molten iron and insulating heat, and the permanent layer is mostly clay bricks or paraffin bricks, so that the technical scheme and the construction scheme are relatively mature, but along with the development of steelmaking and ironmaking technologies, the requirement on the temperature drop of the molten iron is higher and higher. Because the whole period of the molten iron in the torpedo is about 8 hours, how to reduce the temperature reduction of the molten iron in the torpedo tank and increase the heat preservation effect becomes a subject.
Because the torpedo ladle is the open airtight space that holds the molten iron, and the operation activity space is limited when resistant material builds by laying bricks or stones, again by laying bricks or stones the cycle ratio longer, so at present home and abroad is whole building by laying bricks or stones basically, and whole spraying must bring when the torpedo ladle is under construction, divide into 3 parts, lower semicircle part earlier, then go up 1/4 upper half circle left part, go up 1/4 upper half circle right part. Two effects are brought about: firstly, construction equipment is increased, and square timbers are required to be used for supporting; secondly, the safety risk is brought, and the square timber support may have the risk of collapsing.
Disclosure of Invention
The invention solves the technical problems in the prior art, provides a novel torpedo tank car refractory material lining and a construction process, and further comprises a novel light spray coating.
In order to solve the problems, the technical scheme of the invention is as follows:
a light refractory spray coating comprises the following raw materials in parts by mass:
10-15 parts of corundum aggregate;
5-10 parts of corundum powder;
15-25 parts of light mullite;
20-30 parts of plastic clay;
10-20 parts of fly ash floating beads;
0.2-0.5 part of high-temperature cement;
1-3 parts of methyl cellulose.
Preferably, the corundum aggregate has an average particle size of 3 to 5 mm.
Preferably, the average grain size of the light mullite is 0-1 mm.
The preparation method of the light refractory spray coating comprises the following steps:
step 1, pelletizing corundum and fly ash: pelletizing corundum aggregate, corundum powder, fly ash floating beads and methyl cellulose to form a package, and forming a material ball with the thickness of 3-5 mm;
step 2, pre-sintering: drying and sintering the pelletized balls to form the silicon-magnesium-aluminum material, and crushing the silicon-magnesium-aluminum material to obtain two size ranges of 0-1mm and 1-3 mm.
A novel torpedo tank car lining is composed of an upper semi-circle part and a lower semi-circle part;
the upper semicircular part sequentially comprises a nano coating, a calcium-magnesium plate, a clay brick, a coating material and an aluminum silicon carbide carbon brick (ASC brick); the nano coating is tightly attached to a steel shell of the torpedo tank car, and the ASC brick is in contact with molten iron;
the lower semicircular part sequentially comprises a nano coating, the light fire-resistant paint spraying layer and an ASC brick; the nano coating is tightly attached to a steel shell of the torpedo tank car, and the ASC brick is in contact with molten iron.
Preferably, the nanocoating is: the nano silicon dioxide with the mass fraction of 5-10% is added into the clayey fire clay, so that the surface property of the fire clay is changed, a compact film is formed, and the heat preservation property is better.
Preferably, the coating material is amorphous powder with the same chemical composition as the clay brick.
A construction process of a novel torpedo car lining comprises the following steps:
step 1, coating a layer of nano coating on the inner wall of a steel shell of a torpedo ladle before construction; the heat preservation effect can be enhanced;
step 2, constructing the lower semicircle part: welding the inner surface of the lower semicircular part by using anchoring nails, and spraying the light fire-resistant spray paint on the inner surface of the torpedo ladle by using a spraying machine, so that the light fire-resistant spray paint is better combined, and curing is carried out for 24 hours after the light fire-resistant spray paint is sprayed, and ASC bricks are built;
and 3, constructing the upper semicircular part: the thickness of the calcium-magnesium insulation board is calculated to be more appropriate at 8-12mm, a calcium-magnesium board is adhered to a steel shell by clay fire clay during construction, the adhesion force is greater than the gravity, and the board does not fall off; then two layers of clay and ASC bricks are built.
And 4, filling the contact joint at the joint of the upper semicircular material and the lower semicircular material with high-alumina fire clay.
Preferably, the thickness of the light fire-resistant spray coating layer of the lower semicircular part is consistent with the total thickness of the calcium magnesium board, the clay brick and the coating material of the upper semicircular part.
Preferably, in the step 2, the spraying process of the light refractory spray paint adopts wide-width pressure dry spraying and water spraying technologies. In view of the conditions of field work, it is necessary to produce little or no dust. Selecting 0.2-0.3 kg, 0.3-0.4 kg and 0.4-0.5 kg of compressed air for dry spraying; under the condition of carrying water, the proportion of the water can float at 7-12% (mass fraction), and when the pressure is small, the pipeline is not easy to block, and a certain adhesive force is provided; when the water ratio is large, segregation does not occur.
Compared with the prior art, the invention has the advantages that,
the invention provides a novel light refractory spray coating, which has high breaking strength, lower thermal conductivity than clay bricks and the highest service temperature of 1300 ℃;
the invention provides a preparation method of a novel light refractory spray coating, which can prepare the light refractory spray coating with uniform dispersion, and when the light refractory spray coating is used for a lining of a torpedo car, the light refractory spray coating can be closely combined at high temperature without generating large through seams;
the invention provides a novel lining structure of a torpedo tank car, which is divided into an upper semicircular part and a lower semicircular part, wherein a lower semicircular permanent layer is changed into a light spray coating, a calcium-magnesium insulation board is added on the upper semicircular permanent layer, the heat insulation effect is better, and the reduction of the temperature of molten iron can be effectively reduced;
the invention provides a novel construction process for a lining of a torpedo tank car, which does not relate to the problems of rotation of the torpedo tank and wood support caused by spraying in masonry construction, and can effectively guarantee safe construction and environmental protection management and control.
Drawings
FIG. 1 is a schematic view of a torpedo ladle structure; wherein, 1 is a pouring opening, 2 is molten iron, 3 is a steel shell, 4 is a lining;
FIG. 2 is a schematic view of a prior art lining structure of a torpedo car;
FIG. 3 is a schematic structural view of the upper semicircular part of the liner of the torpedo car of the present invention;
FIG. 4 is a schematic structural view of the upper semicircular part of the liner of the torpedo tank car of the present invention.
Detailed Description
Example 1:
a light refractory spray coating comprises the following raw materials in parts by mass:
10 parts of corundum aggregate;
5 parts of corundum powder;
15 parts of light mullite;
20 parts of plastic clay;
10 parts of fly ash floating beads;
0.2 part of high-temperature cement;
methyl cellulose, 1 part.
The average grain diameter of the corundum aggregate is 3-5 mm.
The average grain diameter of the light mullite is 0-1 mm.
The preparation method of the light refractory spray coating comprises the following steps:
step 1, pelletizing corundum and fly ash: pelletizing corundum aggregate, corundum powder, fly ash floating beads and methyl cellulose to form a package, and forming a material ball with the thickness of 3-5 mm;
step 2, pre-sintering: drying and sintering the pelletized balls to form the silicon-magnesium-aluminum material, and crushing the silicon-magnesium-aluminum material to obtain two size ranges of 0-1mm and 1-3 mm.
The physical and chemical indexes show that the breaking strength of the spray coating can reach 15Mpa and 24 hours at 110 DEG CAfter maintenance, the building can be carried out, which is convenient for construction; the linear change is only +/-1% at 1100 ℃; the thermal conductivity of the brick is reduced from 0.45 of a clay brick to 0.35W. (m.k)-1And meanwhile, the maximum use temperature can reach 1300 ℃.
Example 2:
a light refractory spray coating comprises the following raw materials in parts by mass:
15 parts of corundum aggregate;
10 parts of corundum powder;
25 parts of light mullite;
30 parts of plastic clay;
20 parts of fly ash floating beads;
0.5 part of high-temperature cement;
3 parts of methyl cellulose;
preferably, the corundum aggregate has an average particle size of 3 to 5 mm.
Preferably, the average grain size of the light mullite is 0-1 mm.
The preparation method of the light refractory spray coating comprises the following steps:
step 1, pelletizing corundum and fly ash: pelletizing corundum aggregate, corundum powder, fly ash floating beads and methyl cellulose to form a package, and forming a material ball with the thickness of 3-5 mm;
step 2, pre-sintering: drying and sintering the pelletized balls to form the silicon-magnesium-aluminum material, and crushing the silicon-magnesium-aluminum material to obtain two size ranges of 0-1mm and 1-3 mm.
On the physical and chemical indexes, the breaking strength of the spray coating can reach 15Mpa at 110 ℃, and the spray coating can be built after 24-hour maintenance, so that the construction is convenient; the linear change is only +/-1% at 1100 ℃; the thermal conductivity of the brick is reduced from 0.45 of a clay brick to 0.35W. (m.k)-1While being highestThe use temperature can reach 1300 ℃.
Example 3:
a novel lining of a torpedo tank car consists of an upper semi-circle part and a lower semi-circle part (the horizontal cross section of the torpedo tank can be seen as a circle, and the lining is divided into the upper semi-circle part and the lower semi-circle part during building;
as shown in fig. 3, the upper semicircular part comprises a nano coating, a calcium magnesium plate, a clay brick, a coating material and an aluminum silicon carbide carbon brick (ASC brick) in sequence; the nano coating is tightly attached to a steel shell of the torpedo tank car, and the ASC brick is in contact with molten iron; the nano coating is formed by adding 5-10% of nano silicon dioxide in mass percent into clayey fire clay, so that the surface property of the fire clay is changed to form a compact film, and the heat preservation property is better. The clayey fire clay is preferably low-aluminum type clayey fire clay.
As shown in fig. 4, the lower semicircular part sequentially comprises a nano coating, the lightweight fire-resistant paint layer prepared in example 1 or 2, and an ASC brick; the nano coating is tightly attached to a steel shell of the torpedo tank car, and the ASC brick is in contact with molten iron. The nano coating is consistent with the upper semicircular nano coating.
Preferably, the coating material is amorphous powder with the same chemical composition as the clay brick.
A construction process of a novel torpedo car lining comprises the following steps:
step 1, coating a layer of nano paint on the inner wall of a steel shell of a torpedo ladle before construction; the heat preservation effect can be enhanced;
step 2, constructing the lower semicircle part: welding the inner surface of the lower semicircular part by using anchoring nails, and spraying the light fire-resistant spray paint on the inner surface of the torpedo ladle by using a spraying machine, so that the light fire-resistant spray paint is better combined, and curing is carried out for 24 hours after the light fire-resistant spray paint is sprayed, and ASC bricks are built;
the key points of the technology are as follows: 1. the method comprises the following steps of selecting a spray coating, wherein the spray coating firstly has proper heat conductivity to achieve the purpose of heat preservation, and the material is designed on the aspect of material design, namely the light heat-preservation spray coating is redesigned according to the heat preservation requirement of a torpedo tank; 2, the proportion of water is selected during spraying, the water can be uniformly attached to the inner surface, and the paint has certain strength and can be normally constructed; 3 is in a high-temperature state, and is tightly combined, so that a large through seam cannot be generated; and 4, when the torpedo tank refractory material is removed, the torpedo tank refractory material is easily removed, and the construction period is not influenced.
And 3, constructing the upper semicircular part: the calcium-magnesium heat-preservation plate is added, the thickness is calculated to be more appropriate at 8-12mm, the calcium-magnesium plate is adhered to the steel shell by clay fire clay during construction, the adhesion force is greater than the gravity, and the plate cannot fall off; then, building clay bricks twice; and finally, building the ASC.
The technical characteristics are as follows: 1. the calcium magnesium plate is adopted in consideration of the lining temperature of the torpedo tank and the heat-resistant temperature of the calcium magnesium plate, so that the calcium magnesium plate is prevented from being pulverized at high temperature; 2. the calcium-magnesium plate is attached to the inner wall of the torpedo ladle by clay fire clay when the upper semicircle is constructed, the thickness is more appropriate within 8-12mm, the temperature reduction is ensured, the weight of the calcium-magnesium plate is controlled, and the problem of attachment is solved.
Step 4, paying attention to the control of layer thickness at the joint of the upper semicircular material and the lower semicircular material, particularly ensuring that the building surface reference of the ASC brick is consistent, namely the thickness of the light fire-resistant spray coating layer of the lower semicircular part is consistent with the total thickness of the calcium-magnesium plate, the clay brick and the coating material of the upper semicircular part, otherwise, the surface height is uneven; the contact seam is filled with high-alumina fire clay.
In the step 2, the spraying process of the light refractory spray paint adopts wide-width pressure dry spraying and water-carrying spraying technologies. In view of the conditions of field work, it is necessary to produce little or no dust. Selecting 0.2-0.3 kg, 0.3-0.4 kg and 0.4-0.5 kg of compressed air for dry spraying; under the condition of carrying water, the proportion of the water can float at 7-12% (mass fraction), and when the pressure is small, the pipeline is not easy to block, and a certain adhesive force is provided; when the water ratio is large, segregation does not occur.
Thermal calculation method
For simplifying the calculation, the heat radiation and heat convection during the operation are not considered at all, and the heat transfer process can be calculated by the following formula: -GCdt ═ KF (t-tf) d τ Ln [ (t1-tf)/(t2-tf) ] ═ KF τ/(GC)
In the formula:
t1, t 2-the molten iron temperature at the beginning and end of temperature drop, DEG C;
τ -temperature drop time, s;
tf-temperature of the medium surrounding the torpedo tank, DEG C;
K-Total Heat transfer coefficient from molten iron in the ladle to the surrounding medium outside the ladle, W/(m)2·℃)；
F-Total Heat dissipation area of Torpedo Can, m2；
C is the specific heat capacity of molten iron, KJ/(Kg. DEG C);
g is the mass of the molten iron in the heavy tank, Kg.
For the calculation of the total heat transfer coefficient K, mainly the heat transfer coefficient of the tank liner (neglecting the convective heat transfer and the radiative heat transfer), then:
K＝1/R＝1/(δ1/λ1+δ2/λ2+δ3/λ3+…)
lambda is the thermal conductivity of the lining brick, W/(m.DEG C);
delta-thickness of the lining, m
Through theoretical calculation: by adopting the heat preservation scheme of adding the magnesium-silicon heat preservation plate with the thickness of 8-12mm on the basis of the existing structure, the temperature drop of molten iron of 300 tons of a torpedo ladle can be obviously reduced after 8 hours, and can reach 35 ℃ compared with the temperature drop of the existing structure (figure 2), and the temperature of a steel shell can be reduced by about 42 ℃.
It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and all equivalent substitutions or substitutions made on the above-mentioned embodiments are included in the scope of the present invention.
Claims (10)
1. The light refractory spray coating is characterized by comprising the following raw materials in parts by mass:
10-15 parts of corundum aggregate;
5-10 parts of corundum powder;
15-25 parts of light mullite;
20-30 parts of plastic clay;
10-20 parts of fly ash floating beads;
0.2-0.5 part of high-temperature cement;
1-3 parts of methyl cellulose.
2. The lightweight refractory spray coating of claim 1, wherein the corundum aggregate has an average particle size of 3 to 5 mm.
3. The light refractory spray coating of claim 1, wherein the light mullite has an average particle size of 0-1 mm.
4. A method of preparing a light weight refractory spray paint according to any one of claims 1 to 3, comprising the steps of:
step 1, pelletizing corundum and fly ash: pelletizing corundum aggregate, corundum powder, fly ash floating beads and methyl cellulose to form a package, and forming a material ball with the thickness of 3-5 mm;
step 2, pre-sintering: drying and sintering the pelletized balls to form a silicon-magnesium-aluminum material, and crushing the silicon-magnesium-aluminum material to obtain two size ranges of 0-1mm and 1-3 mm;
step 3, grading the granularity: uniformly mixing the material prepared in the step 2, the high-temperature cement, the light mullite and the plastic clay for more than 30 minutes under the stirring of a double-helix mixer, so that the specific surface area is large, and the bulk density is less than 1.7 x 103kgm3And obtaining the light fireproof spray coating.
5. A novel torpedo tank car lining is characterized by comprising an upper semicircular part and a lower semicircular part;
the upper semicircular part sequentially comprises a nano coating, a calcium-magnesium plate, a clay brick, a coating material and an ASC brick; the nano coating is tightly attached to a steel shell of the torpedo tank car, and the ASC brick is in contact with molten iron;
the lower semicircular part comprises a nano coating, the light fire-resistant paint spraying layer as claimed in claim 1 and an ASC brick in sequence; the nano coating is tightly attached to a steel shell of the torpedo tank car, and the ASC brick is in contact with molten iron.
6. The new torpedo car liner of claim 5 wherein said nano-coating is: adding 5-10% of nano silicon dioxide by mass into the clayey fire clay.
7. A novel torpedo car liner as claimed in claim 5 wherein said coating is an amorphous powder of the same chemical composition as the clay brick.
8. The construction process of the novel torpedo car liner according to any one of claims 5 to 7, characterized by comprising the following steps:
step 1, coating a layer of nano coating on the inner wall of a steel shell of a torpedo ladle before construction;
step 2, constructing the lower semicircle part: welding the inner surface of the lower semicircular part by using anchoring nails, spraying the light refractory spray paint on the inner surface of the torpedo tank by using a spraying machine, maintaining for 24 hours, and building ASC bricks;
and 3, constructing the upper semicircular part: adding a calcium-magnesium insulation board, and sticking the calcium-magnesium board on a steel shell by using clay fire clay during construction; then two layers of clay and ASC bricks are built.
And 4, filling the contact joint at the joint of the upper semicircular material and the lower semicircular material with high-alumina fire clay.
9. The construction process according to claim 8, wherein the thickness of the light fire-resistant paint spraying layer of the lower semicircular part is consistent with the total thickness of the calcium magnesium board, the clay brick and the coating material of the upper semicircular part.
10. The construction process according to claim 8, wherein in the step 2, the light refractory spray paint is sprayed by wide-width pressure dry spraying and water spraying technologies; selecting 0.2-0.3 kg, 0.3-0.4 kg and 0.4-0.5 kg of compressed air for dry spraying; in the case of spraying with water, the proportion of water is between 7% and 12% by mass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811283689.8A CN111116181B (en) | 2018-10-31 | 2018-10-31 | Refractory material lining of torpedo car and construction process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811283689.8A CN111116181B (en) | 2018-10-31 | 2018-10-31 | Refractory material lining of torpedo car and construction process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111116181A true CN111116181A (en) | 2020-05-08 |
| CN111116181B CN111116181B (en) | 2022-04-15 |
Family
ID=70485013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811283689.8A Active CN111116181B (en) | 2018-10-31 | 2018-10-31 | Refractory material lining of torpedo car and construction process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111116181B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111848193A (en) * | 2020-08-10 | 2020-10-30 | 河南自力耐火材料股份有限公司 | Torpedo tank lining structure |
| CN112589087A (en) * | 2020-12-28 | 2021-04-02 | 巩义市第五耐火材料有限公司 | Construction method of torpedo tank |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03295867A (en) * | 1990-04-12 | 1991-12-26 | Kurosaki Refract Co Ltd | Castable refractory material for lining receiving port of torpedo ladle car |
| CN104119082A (en) * | 2013-04-28 | 2014-10-29 | 上海梅山钢铁股份有限公司 | Chromium-free casting material for outer lining of RH (Relative Humidity) furnace inserting tube |
| CN105622114A (en) * | 2015-12-21 | 2016-06-01 | 洛阳利尔耐火材料有限公司 | Low-density refractory fiber coating and preparation method thereof |
| CN107555969A (en) * | 2017-09-18 | 2018-01-09 | 北京利尔高温材料股份有限公司 | A kind of industrial kiln permanent ladle layer space material and preparation method thereof, application method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3295867B2 (en) * | 1994-04-21 | 2002-06-24 | 富士通株式会社 | Secondary ion mass spectrometry of oxygen in silicon. |
-
2018
- 2018-10-31 CN CN201811283689.8A patent/CN111116181B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03295867A (en) * | 1990-04-12 | 1991-12-26 | Kurosaki Refract Co Ltd | Castable refractory material for lining receiving port of torpedo ladle car |
| CN104119082A (en) * | 2013-04-28 | 2014-10-29 | 上海梅山钢铁股份有限公司 | Chromium-free casting material for outer lining of RH (Relative Humidity) furnace inserting tube |
| CN105622114A (en) * | 2015-12-21 | 2016-06-01 | 洛阳利尔耐火材料有限公司 | Low-density refractory fiber coating and preparation method thereof |
| CN107555969A (en) * | 2017-09-18 | 2018-01-09 | 北京利尔高温材料股份有限公司 | A kind of industrial kiln permanent ladle layer space material and preparation method thereof, application method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111848193A (en) * | 2020-08-10 | 2020-10-30 | 河南自力耐火材料股份有限公司 | Torpedo tank lining structure |
| CN112589087A (en) * | 2020-12-28 | 2021-04-02 | 巩义市第五耐火材料有限公司 | Construction method of torpedo tank |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111116181B (en) | 2022-04-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2027690C1 (en) | Method of refractory coating preparing on the hot surface and powdery mixture for refractory coating preparing | |
| CN107032810B (en) | Gunning mix with excellent bonding performance for sintering large flue and preparation method | |
| US4469309A (en) | Core for blow-forming the lining of vessel for molten metal, a lining method using said core, and a lining composition used in said lining method | |
| EP0675862B1 (en) | Refractory compositions | |
| CN202621908U (en) | Steel ladle | |
| CN111116181B (en) | Refractory material lining of torpedo car and construction process | |
| EA023629B1 (en) | Refractory mortar | |
| CN103920868B (en) | A kind of energy-saving ladle liner and building method thereof | |
| CN205996184U (en) | A kind of energy-saving ladle of low-material-consumption | |
| JP2008013430A (en) | Method of manufacturing heat insulating material, heat insulating material, kiln vessel, method of applying heat insulating material and method of recycling heat insulating material | |
| CN107226704A (en) | A kind of kiln saves castable with fire resisting | |
| CN110183213B (en) | Tundish dry-type working lining added with waste refractory material and preparation method thereof | |
| CN110642631B (en) | Ramming material for ladle lining and preparation method thereof | |
| CN104086190B (en) | A kind of kiln head cover spray material | |
| CN101033144B (en) | Composite mortar for building blast furnace stack graphite brick and carborundum brick | |
| CN105481375A (en) | Energy-saving and fire-resistant material | |
| CN107056313A (en) | A kind of cement rotary kiln stove castable refractory | |
| CN107573086A (en) | A kind of light-weight mullite cordierite glazed tile and preparation method thereof | |
| CN202621906U (en) | Hot metal ladle | |
| CN105601306A (en) | Production process of unshaped refractory material and lining brick for zinc oxide rotary kiln | |
| CN203804207U (en) | Energy-saving steel ladle lining | |
| CN202182612U (en) | Lining structure of vertical lime pit | |
| CN107602136A (en) | A kind of refractory material liner body for tundish and preparation method thereof | |
| JPS5917072B2 (en) | Massive refractories for hot-insertion repair | |
| CN201485387U (en) | Calcining belt of sleeve lime kiln |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |