CN112959462A - High-temperature melt flow channel and processing method thereof - Google Patents

High-temperature melt flow channel and processing method thereof Download PDF

Info

Publication number
CN112959462A
CN112959462A CN202110238811.5A CN202110238811A CN112959462A CN 112959462 A CN112959462 A CN 112959462A CN 202110238811 A CN202110238811 A CN 202110238811A CN 112959462 A CN112959462 A CN 112959462A
Authority
CN
China
Prior art keywords
heat
flow channel
channel
melt flow
melt
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
Application number
CN202110238811.5A
Other languages
Chinese (zh)
Inventor
李连地
宋学斌
宋晗冰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Refuta Refractories Co ltd
Original Assignee
Jiangsu Refuta Refractories Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu Refuta Refractories Co ltd filed Critical Jiangsu Refuta Refractories Co ltd
Priority to CN202110238811.5A priority Critical patent/CN112959462A/en
Publication of CN112959462A publication Critical patent/CN112959462A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00Producing shaped prefabricated articles from the material
    • B28B1/54Producing shaped prefabricated articles from the material specially adapted for producing articles from molten material, e.g. slag refractory ceramic materials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00Producing shaped prefabricated articles from the material
    • B28B1/14Producing shaped prefabricated articles from the material by simple casting, the material being neither forcibly fed nor positively compacted
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/66Monolithic refractories or refractory mortars, including those whether or not containing clay

Abstract

The invention discloses a high-temperature melt flow channel and a processing method thereof. The high-temperature melt flow channel comprises a metal protective shell and a melt channel; one or more heat-insulating impervious layers are laid between the melt channel and the metal protective shell. A stable-structure embedding block is arranged between the upper opening end of the melt channel and the metal protective shell, and the processing method comprises the following steps: processing a metal protective shell, laying a heat-insulating impermeable layer, reserving the position of a structural stability embedding block, integrally pouring or installing a prefabricated part to form a melt channel, injecting a pouring material, a dry material and a plastic material into the structural stability embedding block, and shaping by methods such as pouring, vibrating, ramming and the like to obtain a high-temperature melt flow channel. The processing method is simple, the embedding block with stable structure is tightly attached to the high-temperature melt flow channel, and the high-temperature melt leakage accidents caused by the sliding, deviation and other conditions of the high-temperature melt flow channel in the using process can be prevented.

Description

High-temperature melt flow channel and processing method thereof
Technical Field
The invention relates to the technical field of metal processing, in particular to a high-temperature melt flow channel and a processing method thereof.
Background
Firstly, after a heat-insulating layer and an impermeable layer are arranged in a metal protective shell, a mould is manufactured, a working layer material is integrally poured, and finally, the flow channel is subjected to heat treatment through a heating device; secondly, prefabricating in sections, and installing the sections in a metal protective shell after heat treatment; the two schemes have certain problems, the flow channel integrally poured in the first scheme has a stable structure, but the mold is complex to manufacture and slow to construct, and the later-stage heat treatment is carried out on a construction site, so that the condition of uneven heat treatment temperature often occurs, the air permeability of the material is not enough to discharge internal moisture or other volatile gases, the material is cracked, the strength of the material is uneven due to uneven temperature, and the strength of part of the material is not up to the standard; the second scheme is prefabricated in a segmented mode, the manufacturing and installation processes are simple, but due to the fact that the heat-insulating layer, the anti-seepage layer and the like are poor in integrity with the flow channel, a certain gap exists, the structure is unstable, the flow channel is dislocated and deviated in the flowing process of high-temperature melt, the melt is enabled to permeate and leak to the outside, and finally the flow channel is damaged and scrapped, and even safety accidents occur.
Disclosure of Invention
The present invention is directed to a high temperature melt flow channel and a method for manufacturing the same, which solves the above problems of the prior art.
In order to solve the technical problems, the invention provides the following technical scheme: a high temperature melt flow channel comprising a metal guard casing and a melt channel open at an upper end; a heat-insulating impermeable layer is laid between the melt channel and the metal protective shell; the upper part of the heat-preservation impermeable layer is provided with a structural stability embedding block; the structure stability embedding block is correspondingly arranged in the middle of the side wall of the melt channel.
Furthermore, the cross section of the structure-stable embedding block is any one or combination of a plurality of rectangular, square, trapezoid, diamond and arc.
Furthermore, the section of the structure-stable embedding block is rectangular; the thickness of the structure-stable embedded block is 1/3-1 times of the thickness of the heat-preservation anti-seepage layer; the length of the structure-stable embedded block is 1/10-9/10 times of the length of the melt channel; the height of the structure-stable embedded block is 1/10-9/10 times of the height of the melt channel.
Furthermore, the heat-insulating anti-seepage layer is composed of any one or more of ceramic fiber board, ceramic fiber blanket, ceramic fiber paper, nano microporous heat-insulating board, calcium silicate board, dry material, casting material, heat-insulating brick and plastic material.
Furthermore, the laying thickness of the heat-preservation impervious layer is 1-400 mm.
A method for processing a high-temperature melt flow channel comprises the following steps:
(1) processing a metal protective shell;
(2) laying a heat-preservation impermeable layer;
(3) cutting a heat insulation material, and reserving a position of a structural stable embedding block;
(4) processing a melt channel;
(5) and processing the embedding block with the stable structure to obtain a finished product.
Further, a method for processing a high-temperature melt flow channel comprises the following steps;
(1) taking a steel plate, welding the steel plate into a groove shape by all-welding, arranging connecting flanges at two ends of the groove shape, and welding the flanges and the metal protective shell in a spot welding mode; each section of metal protection shell can be connected through a flange to form a metal protection shell;
further, the ratio of the width to the depth of the groove-shaped bottom is 1: 3, the included angle between the bottom and the side wall is 90 DEG
(2) Pretreating the inner wall of the metal protective shell obtained in the step (1), removing impurities and oil stains, laying a heat-insulating material, and compacting to obtain a heat-insulating impermeable layer;
(3) cutting a heat-insulating material on the upper part of the heat-insulating impermeable layer to serve as a reserved position of the structure-stabilizing embedded block, and coating or attaching an isolating material on each surface of the inner wall of the reserved position to form a covering isolating layer;
furthermore, the isolation material is any one or combination of a plurality of plastic polypropylene adhesive tapes, cloth base adhesive tapes, kraft paper adhesive tapes, fiber adhesive tapes, polyvinyl chloride adhesive tapes, polyethylene adhesive tapes, aluminum foil adhesive tapes, white latex, asphalt, waterproof coatings and carbon-containing resin coatings.
(4) Integrally pouring or mounting a melt channel prefabricated part on the inner wall of the heat preservation impermeable layer to form a melt channel;
further, the integral casting method comprises the following steps: and (2) manufacturing a melt channel mold on the inner wall of the heat-preservation impervious layer by using a steel plate, a wood plate or plastic in a welding, riveting, nailing, bolt connecting and bonding mode respectively, adding a casting material into the mold, standing for 6-48 h for molding, demolding, naturally drying, and baking at the temperature of 50-1500 ℃ to form a melt channel.
Further, the step of installing the melt channel preform is as follows: pouring the castable into a melt channel mold, solidifying and molding, demolding, naturally drying, and baking at the temperature of 50-1500 ℃ to obtain a melt channel prefabricated part; and (4) mounting and connecting the prefabricated part on the inner wall of the heat-preservation impermeable layer to form a melt channel.
(5) And adding castable, dry material or plastic into the reserved position of the structure-stable embedded block, forming the structure-stable embedded block through processing and forming, and finishing the processing of the finished product of the high-temperature melt flow channel.
Further, the castable in the step (4) and the step (5) comprises the following raw materials, by weight, 20-90 parts of aggregate, 2-20 parts of non-stick aluminum additive, 0.05-5 parts of organic fiber, 2-20 parts of binder and 0.2-2 parts of water reducer;
the aggregate is one or more of alumina particles, mullite particles, corundum particles, alumina fine powder, alumina micro powder and magnesia-alumina spinel fine powder;
the non-stick aluminum additive is any one or more of barium sulfate, strontium sulfate, cerium oxide, calcium fluoride, aluminum phosphate, magnesium phosphate, silicon nitride, boron nitride, silicon carbide, boron carbide, kyanite, aluminum titanate, andalusite and sillimanite;
any one or more of organic fiber polyethylene, polypropylene, polyester, polyolefin and polyacrylonitrile fiber;
the binder is any one or more of water, silica sol, water glass, phosphoric acid, aluminum dihydrogen phosphate, high silica alumina sol, hydrated alumina micro powder, silica-alumina sol powder, aluminate cement, resin and asphalt;
the water reducing agent is any one or more of lignin water reducing agent, naphthalene water reducing agent, polyphosphate, polycarboxylic acid, acrylic acid or dispersed alumina high-efficiency water reducing agent;
compared with the prior art, the invention has the following beneficial effects:
1. the structural stability embedding block is arranged between the melt channel and the heat preservation impervious layer, and the material of the part is constructed by methods such as ramming, vibration, pouring and the like, so that the material is tightly attached to the high-temperature melt flow channel, a mortise and tenon structure can be formed, and the high-temperature melt leakage accidents caused by the sliding, deviation and other conditions of the high-temperature melt flow channel in later use can be prevented;
2. the high-temperature melt flow channel has simple processing process, the structure volume of the structurally stable embedded block is relatively small, and the heat-preservation and seepage-proofing performance of the whole flow channel is not influenced; and the isolation layer is arranged between the heat-preservation impermeable layer and the heat-preservation impermeable layer, when the flow channel is replaced in the later stage, only the flow channel part and the structural stability embedded block can be removed, the heat-preservation impermeable layer is reserved, and the cost of later-stage replacement is solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is an elevational view of a high temperature melt flow channel of the present invention;
FIG. 2 is a top plan view of a hot melt flow channel of the present invention;
FIG. 3 is a left side view of the hot melt flow channel of the present invention.
In the figure: 1. a metal protective housing; 2. a heat-insulating impermeable layer; 3. a melt channel; 4. the structure is stable and the embedding is fast.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
(1) Taking a steel plate, and welding the steel plate into a groove shape by all-welding, wherein the ratio of the width to the depth of the bottom of the groove shape is 1: 3, the included angle between the bottom and the side wall is 90 degrees; connecting flanges are arranged at two ends of the groove shape; the flange and the metal protective shell are welded in a spot welding mode; each section of metal protection shell can be connected through a flange to form a metal protection shell 1;
(2) pretreating the inner surface of the metal protective shell 1 obtained in the step (1), removing impurity and oil stains, laying a ceramic fiberboard with the thickness of 300mm, and compacting to obtain a heat-preservation impermeable layer 2;
(3) cutting the ceramic fiber board at the upper opening end of the heat-insulating impermeable layer 2 and the middle position along the side wall of the melt channel 3 to form a cuboid as the reserved position of the structure-stable embedding block 4, and attaching polypropylene adhesive tapes to the inner surfaces of the cuboid to form a covering isolation layer at the reserved position of the structure-stable embedding block 4;
the width of the reserved position of the cuboid is the same as the thickness of the heat-preservation impermeable layer 2, the length is 1/10 of the length of the side wall of the melt channel 3, and the height is 1/10 of the height of the side wall of the flow channel;
(4) forming a melt channel mold by spot welding a steel plate on the inner wall of the heat preservation impermeable layer 2, pouring a casting material into the mold, vibrating, standing for 32 hours, demolding, naturally drying, and baking at the temperature of 90 ℃ to form a melt channel 3;
the ratio of the width to the depth of the melt channel bottom is 1: 1.5, the included angle between the bottom and the side wall of the melt channel is 105 degrees;
(5) pouring a casting material into the reserved position of the structure-stable embedded block, solidifying and molding, demolding to obtain the structure-stable embedded block 4, and finishing the processing of the high-temperature melt flow channel finished product.
The casting material in the step (4) and the step (5) comprises the following raw materials, by weight, 80 parts of aggregate, 2 parts of non-stick aluminum additive, 0.05 part of organic fiber, 3 parts of binder and 0.2 part of water reducing agent;
the aggregate is a mixture of alumina particles, mullite particles, corundum particles, alumina fine powder, alumina micro powder and magnesium aluminate spinel fine powder; the non-stick aluminum additive is a mixture of barium sulfate and aluminum phosphate; the organic fiber is polyethylene; the binder is water glass; the water reducing agent is lignin water reducing agent.
Example 2
(1) Taking a steel plate, and welding the steel plate into a groove shape by all-welding, wherein the ratio of the width to the depth of the bottom of the groove shape is 1: 3, the included angle between the bottom and the side wall is 90 degrees; connecting flanges are arranged at two ends of the groove shape; the flange and the metal protective shell are welded in a spot welding mode; each section of metal protection shell can be connected through a flange to form a metal protection shell;
(2) pretreating the inner surface of the metal protective shell obtained in the step (1), removing impurity and oil stains, laying a ceramic fiberboard with the thickness of 300mm, and compacting to obtain a heat-preservation impermeable layer;
(3) cutting the ceramic fiber board at the upper opening end of the heat-insulating impermeable layer and the middle position along the side wall of the melt channel to form a cuboid which is used as a reserved position of the structure-stable embedded block, and attaching polypropylene adhesive tapes to the inner surfaces of the cuboid to form a covering isolation layer at the reserved position of the structure-stable embedded block;
the width of the reserved position of the cuboid is the same as the thickness of the heat-preservation impermeable layer, the length of the reserved position of the cuboid is 1/10 of the length of the side wall of the melt channel, and the height of the reserved position of the cuboid is 1/10 of the height of the side wall of the flow channel;
(4) pouring the casting material into a melt channel mold, solidifying and molding, demolding, naturally drying, and baking at the temperature of 120 ℃ to obtain a melt channel prefabricated part; mounting and connecting the prefabricated part on the inner wall of the heat-preservation impermeable layer to form a melt channel;
the ratio of the width to the depth of the melt channel bottom is 1: 1.5, the included angle between the bottom and the side wall of the melt channel is 100 degrees;
(5) pouring a pouring material into the reserved position of the structure-stable embedded block, solidifying and molding, demolding to obtain the structure-stable embedded block, and finishing the processing of the high-temperature melt flow channel finished product.
The casting material in the step (5) comprises the following raw materials, by weight, 85 parts of aggregate, 12 parts of non-stick aluminum additive, 2 parts of organic fiber, 5 parts of binder and 0.5 part of water reducing agent;
the aggregate is a mixture of alumina particles, mullite particles, corundum particles, alumina fine powder, alumina micro powder and magnesium aluminate spinel fine powder; the non-stick aluminum additive is a mixture of barium sulfate and strontium sulfate; the organic fiber is polypropylene; the binder is aluminate cement and water; the water reducing agent is a naphthalene water reducing agent.
Example 3
(1) Taking a common steel plate, and welding the common steel plate into a groove shape by all-pass welding, wherein the ratio of the width to the depth of the bottom of the groove shape is 1: 3, the included angle between the bottom and the side wall is 90 degrees; connecting flanges are arranged at two ends of the groove shape; the flange and the metal protective shell are welded in a spot welding mode; each section of metal protection shell can be connected through a flange to form a metal protection shell;
(2) pretreating the inner surface of the metal protective shell obtained in the step (1), removing impurity and oil stains, laying heat-insulating bricks with the thickness of 300mm, and compacting to obtain a heat-insulating impermeable layer;
(3) cutting the insulating brick at the upper opening end of the heat-insulating impermeable layer and the middle position of the side wall of the flow channel to form a cuboid which is used as a reserved position of the structure-stable embedded block, and attaching polypropylene adhesive tapes to the inner surfaces of the cuboid to form a covering isolation layer at the reserved position of the structure-stable embedded block;
the width of the reserved position of the cuboid is 2/3 of the thickness of the heat-preservation anti-seepage layer, the length of the reserved position of the cuboid is 1/10 of the length of the side wall of the flow channel, and the height of the reserved position of the cuboid is 1/10 of the height of the side wall of the flow channel;
(4) pouring the casting material into a melt channel mold, solidifying and molding, demolding, naturally drying, and baking at the temperature of 200 ℃ to obtain a melt channel prefabricated part; mounting and connecting the prefabricated part on the inner wall of the heat-preservation impermeable layer to form a melt channel;
the ratio of the width to the depth of the melt channel bottom is 1: 0.5, the included angle between the bottom and the side wall of the melt channel is 110 degrees;
(5) pouring plastic into the reserved position of the structural stability embedded block, ramming, and attaching the structural stability embedded block to the side surface of the high-temperature melt flow channel part to obtain the high-temperature melt flow channel.
The castable in the step (4) comprises the following raw materials, by weight, 85 parts of aggregate, 9 parts of non-stick aluminum additive, 2 parts of organic fiber, 7 parts of binder and 0.7 part of water reducing agent;
the aggregate is a mixture of alumina particles, mullite particles, corundum particles, alumina fine powder, alumina micro powder and magnesium aluminate spinel fine powder; the non-stick aluminum additive is a mixture of barium sulfate, aluminum phosphate and kyanite; the organic fiber is polyethylene; the binder is aluminate cement; the water reducing agent is lignin water reducing agent.
Example 4
(1) Taking a common steel plate, and welding the common steel plate into a groove shape by all-pass welding, wherein the ratio of the width to the depth of the bottom of the groove shape is 1: 3, the included angle between the bottom and the side wall is 90 degrees; connecting flanges are arranged at two ends of the groove shape; the flange and the metal protective shell are welded in a spot welding mode; each section of metal protection shell can be connected through a flange to form a metal protection shell;
(2) pretreating the inner surface of the metal protective shell obtained in the step (1), removing impurity and oil stains, forming a mold by using a wood board in a bolt connection mode, adding a casting material into the mold, solidifying and molding, and then removing the mold to obtain an anti-seepage heat-preservation layer;
(3) cutting the heat-preservation impermeable layer at the upper opening end of the heat-preservation impermeable layer and the middle position of the side wall of the flow channel to form a cuboid which is used as a reserved position of the structure-stable embedded block, and adhering polyvinyl chloride adhesive tapes on the inner surfaces of the cuboid to form a covering isolation layer at the reserved position of the structure-stable embedded block;
the width of the reserved position of the cuboid is 1/3 of the thickness of the heat-preservation anti-seepage layer, the length of the reserved position of the cuboid is 1/10 of the length of the side wall of the flow channel, and the height of the reserved position of the cuboid is 1/10 of the height of the side wall of the flow channel;
(4) pouring the casting material into a melt channel mold, solidifying and molding, demolding, naturally drying, and baking at the temperature of 200 ℃ to obtain a melt channel prefabricated part; mounting and connecting the prefabricated part on the inner wall of the heat-preservation impermeable layer to form a melt channel;
the ratio of the width to the depth of the melt channel bottom is 1: 5, an included angle between the bottom of the melt channel and the side wall is 120 degrees;
(5) and adding a dry material into the reserved position of the structural stability embedded block, vibrating, and attaching the structural stability embedded block to the side surface of the high-temperature melt flow channel component to obtain the high-temperature melt flow channel.
The castable in the step (4) comprises the following raw materials, by weight, 87 parts of aggregate, 13 parts of non-stick aluminum additive, 0.09 part of organic fiber, 10 parts of binder and 1 part of water reducer;
the aggregate is a mixture of alumina particles, mullite particles, corundum particles, alumina fine powder, alumina micro powder and magnesium aluminate spinel fine powder; the non-stick aluminum additive is a mixture of magnesium phosphate and aluminum phosphate; the organic fiber is polypropylene; the binder is aluminate cement; the water reducing agent is a lignin water reducing agent and naphthalene water reducing agent compound.
Example 5
(1) Taking a common steel plate, and welding the common steel plate into a groove shape by all-pass welding, wherein the ratio of the width to the depth of the bottom of the groove shape is 1: 3, the included angle between the bottom and the side wall is 90 degrees; connecting flanges are arranged at two ends of the groove shape; the flange and the metal protective shell are welded in a spot welding mode; each section of metal protection shell can be connected through a flange to form a metal protection shell;
(2) pretreating the inner surface of the metal protective shell obtained in the step (1), removing impurity and oil stains, laying a ceramic fiberboard with the thickness of 100mm, and compacting to obtain a heat-preservation impermeable layer;
(3) cutting the ceramic fiber board at the upper opening end of the heat-insulating impermeable layer and the middle position of the side wall of the flow channel to form a cuboid which is used as a reserved position of the structure-stable embedded block, and coating white latex on each surface in the cuboid to form a covering isolation layer at the reserved position of the structure-stable embedded block; a concave surface structure is reserved at the corresponding position of the structure-stable embedding block during manufacturing;
the width of the reserved position of the cuboid is 2/3 of the thickness of the heat-preservation anti-seepage layer, the length of the reserved position of the cuboid is 1/10 of the length of the side wall of the flow channel, and the height of the reserved position of the cuboid is 1/10 of the height of the side wall of the flow channel;
(4) pouring the casting material into a melt channel mold, solidifying and molding, demolding, naturally drying, and baking at the temperature of 300 ℃ to obtain a melt channel prefabricated part; mounting and connecting the prefabricated part on the inner wall of the heat-preservation impermeable layer to form a melt channel;
the ratio of the width to the depth of the melt channel bottom is 1: 1, an included angle between the bottom of the melt channel and the side wall is 90 degrees;
(5) pouring a pouring material into the reserved position of the structure-stable embedded block, solidifying and molding, and demolding to obtain a structure-stable embedded block, wherein the structure-stable embedded block is attached to the side concave surface structure of the high-temperature melt flow channel part to obtain a high-temperature melt flow channel;
the casting material in the step (4) and the step (5) comprises the following raw materials, by weight, 90 parts of aggregate, 20 parts of non-stick aluminum additive, 5 parts of organic fiber, 15 parts of binder and 2 parts of water reducing agent;
the aggregate is a mixture of alumina particles, mullite particles, corundum particles, alumina fine powder, alumina micro powder and magnesium aluminate spinel fine powder; the non-stick aluminum additive is a mixture of magnesium phosphate and aluminum phosphate; the organic fiber is polyethylene; the adhesive is silicon-aluminum sol powder; the water reducing agent is a naphthalene water reducing agent compound.
The high-temperature melt flow channel prepared in the embodiments 1 to 5 is tightly attached with the structurally stable embedded block between the melt channel and the heat-preservation impermeable layer, the structurally stable embedded block and the melt channel form a mortise and tenon structure, and the high-temperature melt leakage accidents caused by the sliding, deviation and other conditions of the high-temperature melt flow channel are not found in the using process. When the melt channel needs to be replaced, the structural stability embedded block and the melt channel can be directly detached for replacement, the heat-insulating layer does not need to be damaged, and the processing cost of the high-temperature melt flow channel is reduced.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A high temperature melt flow channel characterized by; the high-temperature melt flow channel comprises a metal protective shell (1) and a melt channel (3) with an opening at the upper end; one or more heat-insulating impermeable layers (2) are laid between the melt channel (3) and the metal protective shell (1); the upper part of the heat-preservation impermeable layer (2) is provided with a structure-stable embedded block (4); the structure-stable embedded block (4) is correspondingly arranged in the middle of the side wall of the melt channel (3).
2. A high temperature melt flow channel as recited in claim 1, wherein: the cross section of the structure-stable embedding block is one or more of rectangle, square, trapezoid, rhombus and arc.
3. A high temperature melt flow channel as recited in claim 2, wherein: the cross section of the structure-stable embedding block is rectangular; the thickness of the structure-stable embedded block is 1/3-1 times of the thickness of the heat-preservation anti-seepage layer; the length of the structure-stable embedded block is 1/10-9/10 times of the length of the melt channel; the height of the structure-stable embedded block is 1/10-9/10 times of the height of the melt channel.
4. A high temperature melt flow channel as recited in claim 1, wherein: the heat-insulating anti-seepage layer is composed of any one or more of ceramic fiber board, ceramic fiber blanket, ceramic fiber paper, nano microporous heat-insulating board, calcium silicate board, dry material, casting material, heat-insulating brick and plastic material.
5. A high temperature melt flow channel as recited in claim 1, wherein: the laying thickness of the heat-preservation impermeable layer is 1-400 mm.
6. A method for processing a high-temperature melt flow channel is characterized in that; the method comprises the following steps:
(1) processing a metal protective shell;
(2) laying a heat-preservation impermeable layer;
(3) cutting a heat insulation material, and reserving a position of a structural stable embedding block;
(4) processing a melt channel;
(5) and processing the embedding block with the stable structure to obtain a finished product.
7. The method of claim 6, further comprising the steps of: comprises the following steps;
(1) taking a steel plate, welding the steel plate into a groove shape by all-welding, arranging connecting flanges at two ends of the groove shape, and welding the flanges and the metal protective shell in a spot welding mode; each section of metal protection shell can be connected through a flange to form a metal protection shell, so that the metal protection shell is obtained;
(2) pretreating the inner wall of the metal protective shell obtained in the step (1), removing impurities and oil stains, laying a heat-insulating material, and compacting to obtain a heat-insulating impermeable layer;
(3) cutting a heat-insulating material on the upper part of the heat-insulating impermeable layer to serve as a reserved position of the structure-stabilizing embedded block, and coating or attaching an isolating material on each surface of the inner wall of the reserved position to form a covering isolating layer;
(4) integrally pouring or mounting a melt channel prefabricated part on the inner wall of the heat preservation impermeable layer to form a melt channel;
(5) and adding a pouring material, a dry material or a plastic into the reserved position of the structure stable embedded block, processing and shaping to form the structure stable embedded block, and finishing the processing of the high-temperature melt flow channel finished product.
8. A method of forming a hot melt flow channel as claimed in claim 7, wherein; the step (4) of integral casting is as follows: and (2) manufacturing a melt channel mold on the inner wall of the heat-preservation impervious layer by using a steel plate, a wood plate or plastic in a welding, riveting, nailing, bolt connecting and bonding mode respectively, adding a casting material into the mold, standing for 6-48 h for molding, demolding, naturally drying, and baking at the temperature of 50-1500 ℃ to form a melt channel.
9. A method of forming a hot melt flow channel as claimed in claim 7, wherein; the step (4) of installing the melt channel prefabricated part comprises the following steps: pouring the castable into a melt channel mold, solidifying and molding, demolding, naturally drying, and baking at the temperature of 50-1500 ℃ to obtain a melt channel prefabricated part; and (4) mounting and connecting the prefabricated part on the inner wall of the heat-preservation impermeable layer to form a melt channel.
10. A method of forming a hot melt flow channel as claimed in claim 8, wherein; the castable in the step (4) and the step (5) comprises the following raw materials, by weight, 20-90 parts of aggregate, 2-20 parts of non-stick aluminum additive, 0.05-5 parts of organic fiber, 2-20 parts of binder and 0.2-2 parts of water reducer;
the aggregate is one or more of alumina particles, mullite particles, corundum particles, alumina fine powder, alumina micro powder and magnesia-alumina spinel fine powder;
the non-stick aluminum additive is any one or more of barium sulfate, strontium sulfate, cerium oxide, calcium fluoride, aluminum phosphate, magnesium phosphate, silicon nitride, boron nitride, silicon carbide, boron carbide, kyanite, aluminum titanate, andalusite and sillimanite;
any one or more of organic fiber polyethylene, polypropylene, polyester, polyolefin and polyacrylonitrile fiber;
the binder is any one or more of water, silica sol, water glass, phosphoric acid, aluminum dihydrogen phosphate, high silica alumina sol, hydrated alumina micro powder, silica-alumina sol powder, aluminate cement, resin and asphalt;
the water reducing agent is any one or more of lignin water reducing agent, naphthalene water reducing agent, polyphosphate, polycarboxylic acid, acrylic acid or dispersed alumina high-efficiency water reducing agent;
the isolation material in the step (3) is any one or a combination of a plurality of plastic polypropylene adhesive tapes, cloth base adhesive tapes, kraft paper adhesive tapes, fiber adhesive tapes, polyvinyl chloride adhesive tapes, polyethylene adhesive tapes, aluminum foil adhesive tapes, white latex, asphalt, waterproof coatings and carbon-containing resin coatings.
CN202110238811.5A 2021-03-04 2021-03-04 High-temperature melt flow channel and processing method thereof Pending CN112959462A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110238811.5A CN112959462A (en) 2021-03-04 2021-03-04 High-temperature melt flow channel and processing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110238811.5A CN112959462A (en) 2021-03-04 2021-03-04 High-temperature melt flow channel and processing method thereof

Publications (1)

Publication Number Publication Date
CN112959462A true CN112959462A (en) 2021-06-15

Family

ID=76276355

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110238811.5A Pending CN112959462A (en) 2021-03-04 2021-03-04 High-temperature melt flow channel and processing method thereof

Country Status (1)

Country Link
CN (1) CN112959462A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102329144A (en) * 2011-09-29 2012-01-25 武汉科技大学 Preparation method of high-strength wear-resistant pouring material combined with ceramics
CN105179877A (en) * 2015-10-13 2015-12-23 苏州上春仪监测程控设备制造有限公司 Pipeline with silicon carbide lining and forming technique of pipeline
CN106242594A (en) * 2016-07-26 2016-12-21 济源市耐火炉业有限公司 A kind of clay corundum mullite rock is combined runner brick and production method thereof
CN208840495U (en) * 2018-07-25 2019-05-10 江苏瑞复达新材料有限公司 A kind of molten metal flow channel layered structure
CN112113436A (en) * 2020-10-13 2020-12-22 新疆立恩高温新材料有限公司 Aluminum industrial furnace chute and manufacturing method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102329144A (en) * 2011-09-29 2012-01-25 武汉科技大学 Preparation method of high-strength wear-resistant pouring material combined with ceramics
CN105179877A (en) * 2015-10-13 2015-12-23 苏州上春仪监测程控设备制造有限公司 Pipeline with silicon carbide lining and forming technique of pipeline
CN106242594A (en) * 2016-07-26 2016-12-21 济源市耐火炉业有限公司 A kind of clay corundum mullite rock is combined runner brick and production method thereof
CN208840495U (en) * 2018-07-25 2019-05-10 江苏瑞复达新材料有限公司 A kind of molten metal flow channel layered structure
CN112113436A (en) * 2020-10-13 2020-12-22 新疆立恩高温新材料有限公司 Aluminum industrial furnace chute and manufacturing method thereof

Similar Documents

Publication Publication Date Title
JP6572485B2 (en) Coke oven construction method
TWI573917B (en) The basic modules, components, molds and construction methods of tiles and stone walls
KR101242812B1 (en) Heat insulation using expanded perlite by thermosetting resin, its manufacturing method and products using it
JP2008190728A (en) Lining structure of industrial kiln or its accessory equipment and precast refractory block for use in it
CN106747522A (en) A kind of cast steel casting paper runner channel duct member
CN109113193A (en) Steel mesh composite shuttering cast-in-place concrete heat-preservation system and preparation method and installation method
CN112959462A (en) High-temperature melt flow channel and processing method thereof
CN206128374U (en) A body structure right angle wall body mortar module and right angle wall body of pouring into a mould with wall body module
US20170348765A1 (en) Dual Investment Shelled Solid Mold Casting of Reticulated Metal Foams
CN217358057U (en) Precast brick and masonry structure for cement kiln
CA1222906A (en) A method for and a thermal insulation of industrial furnace crowns
JP6844332B2 (en) Construction method of the top of the chamber-type coke oven and the structure of the top of the chamber-type coke oven
CN114705048A (en) Prefabricated brick for cement kiln and building method
CN211177949U (en) Mullite brick for corrosion-resistant and high-temperature-resistant kiln
CN110528728B (en) Formwork-supporting-free building heat insulation system and construction method thereof
CN213231986U (en) Heat preservation sand mold for producing fused zirconia corundum pool wall brick
CN201574578U (en) Concrete wall insulation formwork
CN103423999B (en) Charging end wall for heating furnace and construction method of charging end wall
US4130391A (en) Tank block
JPH0769051B2 (en) Burner tiles
CN206106051U (en) Porous shaping moulding box of pressing aerated building block that evaporates
WO2020203426A1 (en) Crown structure and production method therefor
RU2004520C1 (en) Method and device for producing large ceramic building articles
CN211735950U (en) External thermal insulation system for external wall
CN206157957U (en) Body structure stalk body mortar module and wall body of pouring into a mould with wall body module

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20210615