CN114455958A - Heating furnace refractory material rapid repairing material, method and system - Google Patents
Heating furnace refractory material rapid repairing material, method and system Download PDFInfo
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- CN114455958A CN114455958A CN202210158252.1A CN202210158252A CN114455958A CN 114455958 A CN114455958 A CN 114455958A CN 202210158252 A CN202210158252 A CN 202210158252A CN 114455958 A CN114455958 A CN 114455958A
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- 239000000463 material Substances 0.000 title claims abstract description 76
- 238000010438 heat treatment Methods 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000011819 refractory material Substances 0.000 title claims abstract description 20
- 239000000843 powder Substances 0.000 claims abstract description 36
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229910052863 mullite Inorganic materials 0.000 claims abstract description 25
- 238000004513 sizing Methods 0.000 claims abstract description 23
- 229910052593 corundum Inorganic materials 0.000 claims abstract description 20
- 239000010431 corundum Substances 0.000 claims abstract description 13
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 6
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 6
- 239000010703 silicon Substances 0.000 claims abstract description 6
- 239000011398 Portland cement Substances 0.000 claims abstract description 5
- 239000003822 epoxy resin Substances 0.000 claims abstract description 5
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 5
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- 239000000203 mixture Substances 0.000 claims description 26
- 239000007921 spray Substances 0.000 claims description 16
- 238000005507 spraying Methods 0.000 claims description 13
- 238000005086 pumping Methods 0.000 claims description 12
- 238000010276 construction Methods 0.000 claims description 10
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 7
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 4
- 238000009415 formwork Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- -1 electronics Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 231100000817 safety factor Toxicity 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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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
- 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
-
- 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
- C04B35/16—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 silicates other than clay
- C04B35/18—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 silicates other than clay rich in aluminium oxide
- C04B35/185—Mullite 3Al2O3-2SiO2
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- 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
- F27D1/16—Making or repairing linings increasing the durability of linings or breaking away linings
- F27D1/1636—Repairing linings by projecting or spraying refractory materials on the lining
- F27D1/1642—Repairing linings by projecting or spraying refractory materials on the lining using a gunning apparatus
-
- 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
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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
- 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
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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
- 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
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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
- 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
- C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
- C04B2235/428—Silicon
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- 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
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- C04B2235/77—Density
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- 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
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- Manufacturing & Machinery (AREA)
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- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The invention relates to a heating furnace refractory material rapid repairing material, a method and a system, and belongs to the technical field of repairing materials. The method solves the technical problems of complex operation, low efficiency, poor controllability, poor safety and low cost of the treatment method aiming at the phenomena of peeling, cracks and falling off of refractory materials of all parts of the heating furnace in different degrees in the prior art. The rapid repair material for the refractory of the heating furnace comprises powder, a sizing material and an accelerating agent in a mass ratio of 1000:100:0.2, wherein the powder comprises 0.1-1mm of mullite, 1-3mm of mullite, 3-5mm of mullite, brown corundum powder, silicon micropowder and portland cement; the sizing material comprises silica sol JN-30G and epoxy resin E-44. The rapid repair material for the refractory material of the heating furnace has the advantages of short baking time, good fluidity, quick setting property of a gun mouth, good controllability, low cost and good repair quality.
Description
Technical Field
The invention belongs to the technical field of repair materials, and particularly relates to a rapid repair material, a rapid repair method and a rapid repair system for a refractory material of a heating furnace.
Background
The heating furnace is a heating device and is applied to various industries such as petroleum, chemical engineering, metallurgy, machinery, heat treatment, surface treatment, building materials, electronics, materials, light industry, daily chemicals, pharmacy and the like.
When the heating furnace is operated at 1200-1250 ℃ for a long time, the refractory materials at all parts can be stripped, cracked and dropped to different degrees, and most of the prior methods adopt dismantling and manual pouring methods for maintenance, so that the problems of slow construction progress, poor controllability, complex safety factors, high cost and the like exist. For example, the furnace wall of the heating furnace often has stripping cracks, even the phenomena of anchor brick breakage, furnace wall toppling and the like caused by cold and hot alternation, the existing method is to dismantle, support and pour the mold, but the working procedure is complex, the construction speed is slow, more workers are used, the baking time is long, and the problems of mold bulging and mold leaking are easy to occur; if the burner of the heating furnace leaks fire and is corroded, the existing method can only be disassembled and replaced, but the cost for replacing one burner is about 2 ten thousand, so that the cost is high; and like the water beam of a heating furnace, the problem of damage and shedding often exists, the existing method is to clean old linings, repair welding rivets, binding with heat insulation cotton and pouring (mixture of water and cement) by a formwork, and the baking time is long. And with the obvious aging of the population in China and the messy and dirty working environment, construction workers with high overall quality are difficult to find, so that the mechanized and automatic construction is the inevitable development direction of heating and first-aid repair.
Disclosure of Invention
The invention aims to solve the technical problems of complex operation, low efficiency, poor controllability, poor safety and low cost of a treatment method for treating refractory materials of all parts of a heating furnace to have stripping, cracking and falling phenomena in different degrees in the prior art, and provides a rapid repairing material, a rapid repairing method and a rapid repairing system for refractory materials of the heating furnace.
In order to realize the purpose, the following technical scheme is adopted:
the invention provides a rapid repair material for a refractory material of a heating furnace, which comprises powder, sizing material and an accelerating agent in a mass ratio of 1000:100: 0.2;
the powder material comprises 27 parts by weight of 0.1-1mm mullite, 25 parts by weight of 1-3mm mullite, 10 parts by weight of 3-5mm mullite, 30 parts by weight of brown corundum powder, 5 parts by weight of silicon micropowder with the grain diameter of D10-D90 and 3 parts by weight of portland cement with the strength of 52.5R;
in the 0.1-1mm mullite, 1-3mm mullite and 3-5mm mullite, Al2O3Are all more than or equal to 60 percent;
in the brown corundum powder, Al2O3More than or equal to 94 percent, and the particle size of the brown corundum powder is 80-200 meshes;
the sizing material comprises 40-50 parts by weight of silica sol JN-30G and 10-20 parts by weight of epoxy resin E-44.
The invention also provides a using method of the rapid repairing material for the refractory material of the heating furnace, which comprises the following steps:
step one, uniformly mixing powder, sizing material and water according to a mass ratio of 1000:100:300 to obtain a first mixture;
step two, uniformly mixing the second mixture and an accelerator to obtain a second mixture;
and step three, spraying the second mixture to the surface to be repaired, wherein the spraying pressure is more than or equal to 8MPa, the spraying thickness is 20mm-1000mm, and curing to finish the repair of the surface to be repaired.
The invention also provides a construction system of the rapid repair material for the refractory material of the heating furnace, which comprises a water supply device, a screw air compressor, a stirrer, a high-pressure pumping machine, an accelerator pump and a spray gun;
the water supply device transmits water to the high-pressure pumping machine through the first high-pressure rubber pipe;
the stirring machine uniformly stirs and mixes the powder and the sizing material and then transmits the mixture to a high-pressure pumping machine;
the high-pressure pumping machine transmits the mixture of the powder, the sizing material and the water to a second high-pressure rubber pipe, and the mixture of the powder, the sizing material and the water is transmitted to the spray gun under the pressure of the screw air compressor;
the accelerator pump transmits an accelerator to the spray gun under the pressure of the screw air compressor;
the spray gun sprays the repair material onto the surface to be repaired.
Compared with the prior art, the invention has the beneficial effects that:
the rapid repair material for the refractory of the heating furnace can greatly shorten the baking time, and the normal temperature rise of the heating furnace can meet the curing requirement of the material according to the spraying thickness.
The rapid repair material for the refractory of the heating furnace has good pumpability, fluidity and muzzle quick-setting property, and solves the problems of formwork pouring and numerous workers on a construction site.
The rapid repair material for the refractory of the heating furnace can be operated mechanically, the controllability of the material is improved, and compared with a ramming material and a castable material, the rapid repair material for the refractory of the heating furnace avoids the problem of unbalanced quality caused by human factors.
The rapid repair material for the refractory of the heating furnace greatly shortens the repair time and saves the material consumption.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a construction system for rapid repair of refractory material in a heating furnace according to the present invention; in the figure, 1 is a water supply device, 2 is a screw air compressor, 3 is a stirrer, 4 is a high-pressure pumping machine, 5 is an accelerator pump and 6 is a spray gun.
FIG. 2 is a photograph of a furnace wall to be repaired before the rapid repair material for refractory of a heating furnace of the present invention is repaired;
FIG. 3 is a photograph of a furnace wall to be repaired after the rapid repair material for refractory of a heating furnace of the present invention is repaired;
FIG. 4 is a photograph of the furnace wall to be repaired before the rapid repair material for refractory of the heating furnace of the present invention is repaired;
FIG. 5 is a photograph of the furnace wall to be repaired after the rapid repair material for refractory material of the heating furnace of the present invention is repaired;
FIG. 6 is a photograph of a burner to be repaired before the rapid repair material for refractory of a heating furnace of the present invention is repaired;
FIG. 7 is a photograph of the burner to be repaired after the rapid repair material for refractory of the heating furnace of the present invention is repaired;
FIG. 8 is a photograph of the burner to be repaired before the repair of the rapid repair material for refractory of a heating furnace of the present invention;
FIG. 9 is a photograph of the burner to be repaired after the rapid repair material for refractory of the heating furnace of the present invention is repaired;
FIG. 10 is a photograph of a water beam to be repaired after the rapid repair material for refractory of a heating furnace of the present invention is repaired;
FIG. 11 is a photograph of a water beam to be repaired before the rapid repair material for refractory of a heating furnace of the present invention is repaired;
FIG. 12 is a photograph of a water beam to be repaired after the rapid repair material for a refractory of a heating furnace of the present invention is repaired.
Detailed Description
For a further understanding of the invention, reference will now be made to the preferred embodiments of the invention, but it is to be understood that the description is intended to illustrate further features and advantages of the invention, and not to limit the scope of the claims.
The rapid repairing material for the refractory material of the heating furnace consists of powder, sizing material and an accelerating agent in a mass ratio of 1000:100: 0.2. Wherein the powder material consists of 27 weight parts of 0.1-1mm mullite, 25 weight parts of 1-3mm mullite, 10 weight parts of 3-5mm mullite, 30 weight parts of brown corundum powder, 5 weight parts of silicon micropowder with the grain diameter of D10-D90 and 3 weight parts of Portland cement with the strength of 52.5R; in 0.1-1mm mullite, 1-3mm mullite and 3-5mm mullite, Al2O3Are all more than or equal to 60 percent; in the brown corundum powder, Al2O3More than or equal to 94 percent, the particle size of the brown corundum powder is 80-200 meshes, and the particle size of the silicon micropowder is D10-D90, such as D10, D50 and D90; the sizing material consists of 40-50 parts by weight of silica sol JN-30G and 10-20 parts by weight of epoxy resin E-44; the accelerator is not particularly limited, and examples thereof include Red Star type I, 7 type II, 782 type, 8604 type, and the like.
The application method of the rapid repair material for the refractory material of the heating furnace comprises the following steps:
step one, uniformly mixing powder, sizing material and water according to a mass ratio of 1000:100:300 to obtain a first mixture;
step two, uniformly mixing the second mixture and an accelerator to obtain a second mixture;
and step three, spraying the second mixture to the surface to be repaired, wherein the spraying pressure is more than or equal to 8MPa, the spraying thickness is 20mm-1000mm, and curing to finish the repair of the surface to be repaired.
The invention discloses a construction system for quickly repairing refractory materials of a heating furnace, which comprises a water supply device 1, a screw air compressor 2, a stirrer 3, a high-pressure pumping machine 4, an accelerator pump 5 and a spray gun 6. Wherein, the water supply device 1 transmits water to the high-pressure pumping machine 4 through a first high-pressure rubber pipe; the stirrer 3 uniformly stirs and mixes the powder and the sizing material and then transmits the mixture to the high-pressure pumping machine 4; the high-pressure pump machine 4 transmits the mixture of the powder, the sizing material and the water to a second high-pressure rubber pipe, and the mixture of the powder, the sizing material and the water is transmitted to the spray gun 6 under the pressure of the screw air compressor 2; the accelerator pump 5 transmits the accelerator to the spray gun 6 under the pressure of the screw air compressor 2; the spray gun 6 sprays the repair material onto the surface to be repaired.
The terms used in the present invention generally have meanings commonly understood by those of ordinary skill in the art, unless otherwise specified.
In order to make those skilled in the art better understand the technical solutions of the present invention, the present invention will be further described in detail with reference to the following embodiments.
In the following examples, various procedures and methods not described in detail are conventional methods well known in the art. Materials, reagents, devices, instruments, apparatuses and the like used in the following examples are commercially available unless otherwise specified.
Example 1
The quick repair material for the refractory material of the heating furnace comprises powder, sizing material and an accelerating agent (red star I type) with the mass ratio of 1000:100: 0.2. Wherein the powder material consists of 27 weight parts of 0.5mm mullite, 25 weight parts of 2mm mullite, 10 weight parts of 4mm mullite, 30 weight parts of brown corundum powder, 5 weight parts of silicon micropowder with the grain diameter of D50 and 3 weight parts of portland cement with the strength of 52.5R, wherein in the mullite, Al is used as the main raw material2O3Are all more than or equal to 60 percent; in brown corundum powder, Al2O3Not less than 94 percent, the particle size of the brown corundum powder is 100 meshes; the sizing material consists of 45 parts by weight of silica sol JN-30G and 15 parts by weight of epoxy resin E-44.
The use method of the rapid repair material for the refractory of the heating furnace comprises the following steps:
step one, uniformly mixing powder, sizing material and water according to a mass ratio of 1000:100:300 to obtain a first mixture;
step two, uniformly mixing the second mixture and an accelerator to obtain a second mixture;
and step three, spraying the second mixture to the surface to be repaired, wherein the spraying pressure is more than or equal to 8MPa, the spraying thickness is 20mm-1000mm, and curing to finish the repair of the surface to be repaired.
The performance of the rapid repair material for a refractory of a heating furnace of example 1 was examined. The results are shown in Table 1.
TABLE 1 Performance of the refractory quick repair Material for heating furnaces
The furnace wall, burner and water beam of the heating furnace were repaired with the hot furnace refractory rapid repair material of example 1, and the results are shown in FIGS. 2 to 5, FIGS. 6 to 9 and FIGS. 10 to 12, respectively. As can be seen from the figures 2-12, the furnace wall, the burner and the water beam of the heating furnace repaired by the hot furnace refractory material quick repair material have excellent effects, one burner repaired by the method takes 20min, the cost is 8000 yuan, the adhesive force is strong, the jet repair lining is complete after eight months of repair, and the burner does not need to be replaced. After the water beam is repaired, the observation condition is excellent after the water beam is used for four months, the thread is still, the phenomenon of falling is avoided, the construction period is greatly shortened, and the use condition is excellent.
It should be understood that the above-described embodiments are merely examples for clarity of description and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither necessary nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the spirit or scope of the invention.
Claims (3)
1. The rapid repair material for the refractory material of the heating furnace is characterized by comprising powder, sizing material and an accelerating agent in a mass ratio of 1000:100: 0.2;
the powder material comprises 27 parts by weight of 0.1-1mm mullite, 25 parts by weight of 1-3mm mullite, 10 parts by weight of 3-5mm mullite, 30 parts by weight of brown corundum powder, 5 parts by weight of silicon micropowder with the grain diameter of D10-D90 and 3 parts by weight of portland cement with the strength of 52.5R;
in the 0.1-1mm mullite, 1-3mm mullite and 3-5mm mullite, Al2O3Are all more than or equal to 60 percent;
in the brown corundum powder, Al2O3More than or equal to 94 percent, and the particle size of the brown corundum powder is 80-200 meshes;
the sizing material comprises 40-50 parts by weight of silica sol JN-30G and 10-20 parts by weight of epoxy resin E-44.
2. The method for using the rapid repair material for the refractory of the heating furnace according to claim 1, comprising the steps of:
step one, uniformly mixing powder, sizing material and water according to a mass ratio of 1000:100:300 to obtain a first mixture;
step two, uniformly mixing the second mixture and an accelerating agent to obtain a second mixture;
and step three, spraying the second mixture to the surface to be repaired, wherein the spraying pressure is more than or equal to 8MPa, the spraying thickness is 20mm-1000mm, and curing to finish the repair of the surface to be repaired.
3. The construction system for the rapid repair material of the refractory of the heating furnace according to claim 1, which comprises a water supply device (1), a screw air compressor (2), a stirrer (3), a high-pressure pumping machine (4), an accelerator pump (5) and a spray gun (6);
the water supply device (1) transmits water to the high-pressure pumping machine (4) through a first high-pressure rubber pipe;
the stirrer (3) uniformly stirs and mixes the powder and the sizing material and then transmits the mixture to the high-pressure pumping machine (4);
the high-pressure pumping machine (4) transmits the mixture of the powder, the sizing material and the water to a second high-pressure rubber pipe, and the mixture of the powder, the sizing material and the water is transmitted to the spray gun (6) under the pressure of the screw air compressor (2);
the accelerator pump (5) conveys an accelerator to the spray gun (6) under the pressure of the screw air compressor (2);
the spray gun (6) sprays the repair material on the surface to be repaired.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210158252.1A CN114455958A (en) | 2022-02-21 | 2022-02-21 | Heating furnace refractory material rapid repairing material, method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210158252.1A CN114455958A (en) | 2022-02-21 | 2022-02-21 | Heating furnace refractory material rapid repairing material, method and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114455958A true CN114455958A (en) | 2022-05-10 |
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| CN202210158252.1A Pending CN114455958A (en) | 2022-02-21 | 2022-02-21 | Heating furnace refractory material rapid repairing material, method and system |
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Cited By (1)
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| CN115160888A (en) * | 2022-07-19 | 2022-10-11 | 南京钢铁股份有限公司 | High-temperature far-infrared insulating paint, preparation method thereof and application thereof in heating furnace |
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| CN115160888A (en) * | 2022-07-19 | 2022-10-11 | 南京钢铁股份有限公司 | High-temperature far-infrared insulating paint, preparation method thereof and application thereof in heating furnace |
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