CN110207495A - A kind of rotary kiln refractory brick - Google Patents

A kind of rotary kiln refractory brick Download PDF

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Publication number
CN110207495A
CN110207495A CN201910403564.2A CN201910403564A CN110207495A CN 110207495 A CN110207495 A CN 110207495A CN 201910403564 A CN201910403564 A CN 201910403564A CN 110207495 A CN110207495 A CN 110207495A
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China
Prior art keywords
refractory brick
blind hole
hole
brick ontology
arc panel
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CN201910403564.2A
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CN110207495B (en
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不公告发明人
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Zhejiang Henghui building materials Co., Ltd
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Fang Duan Xia
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Publication of CN110207495A publication Critical patent/CN110207495A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D1/00Casings; Linings; Walls; Roofs
    • F27D1/04Casings; Linings; Walls; Roofs characterised by the form, e.g. shape of the bricks or blocks used
    • F27D1/06Composite bricks or blocks, e.g. panels, modules
    • F27D1/063Individual composite bricks or blocks
    • F27D1/066Individual composite bricks or blocks made from hollow bricks filled up with another material

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)

Abstract

The invention belongs to technical field of refractory materials, specifically a kind of rotary kiln refractory brick;Including refractory brick ontology, one group of blind hole is offered in the refractory brick ontology on vertical direction, blind hole is opened up for reducing the stress of refractory brick ontology, the opening of blind hole is located at the working face of refractory brick ontology, one end far from opening in blind hole, it is internal filled with firing expanding material, and the volume for being burnt into expanding material accounts for about the half of blind hole volume, is placed with vacuum heat-insulating plate in blind hole;Collecting hole is additionally provided on the refractory brick ontology, collecting hole is connected to the blind hole placed at fever expanding material;The configuration of the present invention is simple places firing expanding material, arc panel and vacuum heat-insulating plate and improves the thermal insulation of refractory brick ontology while improving refractory brick bulk strength by opening up blind hole in refractory brick ontology in blind hole.

Description

A kind of rotary kiln refractory brick
Technical field
The invention belongs to technical field of refractory materials, specifically a kind of rotary kiln refractory brick.
Background technique
Rotary kiln refers to rotary calcining kiln (being commonly called as rotary kiln), belongs to building equipment class, and rotary kiln can by processing material difference It is divided into cement kiln, chemical metallurgy kiln and limekiln;Cement kiln is mainly used for calcination of cement clinker, divides dry production cement kiln and wet Method produces cement kiln two major classes;Chemical metallurgy kiln is then mainly used for the poor iron ore magnetic roasting of metallurgy industry steel plant;Chromium, josephinite Oxidizing roasting;Refractory factory roasts high-aluminium vanadine mine and aluminium manufacturer roasts clinker, aluminium hydroxide;Chemical plant roasts chrome ore and chromium The classes mineral such as miberal powder.Limekiln (i.e. active lime kiln) is used to roast steel plant, the active lime of ferroalloy works and light-burned white Marble.
One layer of refractory brick is piled up in the main building of rotary kiln inside it, and outermost layer is laid with thermal insulation layer, to reduce rotary kiln The loss of internal heat can open up phase to its intensity with higher for the refractory brick inside rotary kiln inside it The through-hole answered achievees the purpose that high intensity with the stress inside reducing, and still, if opening up through-hole inside it, although intensity mentions Gao Liao, but the thermal insulation of corresponding refractory brick will reduce, and so that the heat of rotary kiln loss increases, therefore this is conflicting , if can solve this problem, it can guarantee the thermal insulation of refractory brick again while improving refractory brick intensity, so that it may reduce The loss of heat when rotary kiln works.
Summary of the invention
In order to make up for the deficiencies of the prior art, to solve the refractory brick intensity and thermal insulation of rotary kiln in the prior art not The problem of capable of guaranteeing simultaneously, the invention proposes a kind of rotary kiln refractory brick.
The technical solution adopted by the present invention to solve the technical problems is: a kind of rotary kiln fire resisting of the present invention Brick, including refractory brick ontology offer one group of blind hole on vertical direction in the refractory brick ontology, open up blind hole for reducing resistance to The stress of firebrick ontology, the opening of blind hole are located at the working face of refractory brick ontology, one end of separate opening in blind hole, inside Filled with firing expanding material, the volume for being burnt into expanding material accounts for about the half of blind hole volume, is placed with vacuum in blind hole Heat-insulating shield;Collecting hole is additionally provided on the refractory brick ontology, collecting hole is connected to the blind hole placed at fever expanding material, thermal-arrest There is hot-air to close the opening of blind hole vacuum heat-insulating plate release into firing intumescent material swells after the meeting in hole;The fire resisting The raw material for manufacturing refractory brick ontology during fabrication, is put into corresponding mold, mold can be according to refractory brick by brick ontology first The shape of ontology manufactures, and after the firing of refractory brick ontology forms, firing expanding material is put into the blind hole of refractory brick ontology, And vacuum heat-insulating plate is put into blind hole;For the refractory brick ontology after being piled into rotary kiln, working face is to fire material with rotary kiln Material is mutually close, and such rotary kiln is during inoperative, because refractory brick body interior offers blind hole and collecting hole, both The cost of refractory brick manufacture can be saved, and the stress of refractory brick ontology can be reduced, improves its intensity, to improve entire return The intensity of rotary kiln;And rotary kiln is in the process of work, the high temperature that inside generates makes internal air heating, and hot-air passes through resistance to Collecting hole on firebrick ontology enters, on the one hand, can prevent the temperature of refractory brick ontology working face is excessively high to cause it locally disconnected It splits, rotary kiln is caused to collapse;On the other hand, hot-air enters in blind hole after entering collecting hole along collecting hole, makes in blind hole Vacuum heat-insulating plate is pushed out to the opening of blind hole by firing intumescent material swells, because vacuum heat-insulating plate has good thermal insulation, And blind hole can be filled after firing intumescent material swells, to improve the thermal insulation of refractory brick ontology, reduce revolution Kiln internal heat is scattered and disappeared.
Preferably, the vacuum heat-insulating plate is connected with arc panel far from one end of firing expanding material, and arc panel is using more The manufacture of crystal alumina fiber, the diameter of arc panel are greater than 5-6 millimeter of blind hole internal diameter, arc panel be used to cooperating vacuum heat-insulating plate every Heat;While vacuum heat-insulating plate is released by firing expanding material, arc panel is pushed out with vacuum heat-insulating plate, can cooperate vacuum Heat-insulating shield closes the opening of blind hole, improves the thermal insulation of refractory brick ontology.
Preferably, the arc panel is hollow structure, internal to be filled with refractory clay;The opening of the blind hole is placed Protrusion is formed after having symmetrically arranged L-type limited block, arc panel to contact with L-type limited block;Because glutinous filled with fire resisting in arc panel Soil, when arc panel is pushed to the opening of blind hole and contacts with L-type limited block, arc panel is because of the limit by L-type limited block System, the heat-resisting clay at middle part is mobile to the two sides of arc panel in arc panel, and the heat-resisting clay of arc panel two sides increases, middle part it is resistance to Hot clay is reduced, and makes arc panel after contacting with L-type limited block, forms protrusion, and protrusion can reduce refractory brick ontology hot-air Contact area, improve the thermal insulation of refractory brick ontology.
Preferably, the inner wall of the blind hole need to be processed by shot blasting that, to reduce the roughness of blind hole inner wall, roughness is used for It reduces the absorption of dust in blind hole and accelerates the speed that vacuum heat-insulating plate and arc panel are released;Blind hole is being processed by shot blasting Afterwards, roughness reduces, and facilitates the release of vacuum heat-insulating plate and arc panel, meanwhile, it also can be reduced containing for its internal adhesive dust The case where amount prevents excessive dust from influencing vacuum heat-insulating plate and arc panel release, refractory brick ontology thermal insulation is caused to reduce.
Preferably, the collecting hole cross section structure is stepped, and collecting hole is from the working face of refractory brick ontology to non-work The internal diameter for making face is sequentially reduced, and the collecting hole being sequentially reduced is used to increase hot-air into its internal pressure;Hot-air into After entering collecting hole, it is sequentially reduced because collecting hole is located at from the internal diameter of working face to the non-working surface of refractory brick ontology, hot-air Pressure constantly increases after into collecting hole, can be quick so as to improve the speed of firing expanding material and hot air Arc panel and vacuum heat-insulating plate are released in expansion.
Preferably, the collecting hole is close to one end of working face, inside be connected with brace, brace is equipped with wavy Fire resisting item, the surface roughening processing of fire resisting item, fire resisting item is for adsorbing the dust entered out of collecting hole;Hot-air is entering collection When hot hole, the fire resisting item inside collecting hole can adsorb the dust having in hot-air after feather plucking is handled, and reduce because of collecting hole The dust that interior hot-air is brought into excessively leads to the case where thermal-arrest hole plug, so that it is heat-insulated to influence entire refractory brick ontology realization.
The raw material for manufacturing refractory brick ontology during fabrication, is put into corresponding mold, mold by the refractory brick ontology first It can be manufactured according to the shape of refractory brick ontology, after the firing of refractory brick ontology forms, be put in the blind hole of refractory brick ontology Enter to be burnt into expanding material, and vacuum heat-insulating plate is put into blind hole;After being piled into rotary kiln, working face is the refractory brick ontology Mutually close with rotary kiln firing material, such rotary kiln is during inoperative, because refractory brick body interior offers Blind hole and collecting hole, can not only save the cost of refractory brick manufacture, but also can reduce the stress of refractory brick ontology, and it is strong to improve it Degree, to improve the intensity of entire rotary kiln;And rotary kiln is in the process of work, the high temperature that inside generates makes internal air Heating, hot-air are entered by the collecting hole on refractory brick ontology, on the one hand, can prevent the temperature of refractory brick ontology working face It is excessively high to cause its local fracture, cause rotary kiln to collapse;On the other hand, hot-air enter after collecting hole enter along collecting hole it is blind In hole, make the firing intumescent material swells in blind hole that vacuum heat-insulating plate to be pushed out to the opening of blind hole, because vacuum heat-insulating plate has Have a good thermal insulation, and blind hole can be filled after being burnt into intumescent material swells, thus improve refractory brick ontology every It is hot, reduce scattering and disappearing for rotary kiln internal heat;Vacuum heat-insulating plate by firing expanding material release while, arc panel with Vacuum heat-insulating plate is pushed out, and vacuum heat-insulating plate can be cooperated to close the opening of blind hole, improve refractory brick ontology every It is hot;Because being filled with refractory clay in arc panel, when arc panel is pushed to the opening of blind hole and contacts with L-type limited block, Arc panel by L-type limited block because limited, and the heat-resisting clay at middle part is mobile to the two sides of arc panel in arc panel, arc panel The heat-resisting clay of two sides increases, and the heat-resisting clay at middle part is reduced, and makes arc panel after contacting with L-type limited block, forms protrusion, convex The contact area that can reduce refractory brick ontology hot-air is played, the thermal insulation of refractory brick ontology is improved;Blind hole is being polished After processing, roughness reduces, and facilitates the release of vacuum heat-insulating plate and arc panel, meanwhile, it also can be reduced its internal adhesive dust Content, prevent that excessive dust process from influencing vacuum heat-insulating plate and arc panel is released, cause the reduction of refractory brick ontology thermal insulation The case where;After hot-air enters collecting hole, because collecting hole is located at out of, refractory brick ontology working face to non-working surface Diameter is sequentially reduced, and pressure constantly increases after hot-air enters collecting hole, so as to improve firing expanding material and hot air Speed, can rapid expanding release arc panel and vacuum heat-insulating plate;Hot-air is when entering collecting hole, inside collecting hole Fire resisting item can adsorb the dust having in hot-air after feather plucking is handled, and reduce because of the dust that hot-air is brought into collecting hole The case where excessively leading to thermal-arrest hole plug, so that it is heat-insulated to influence entire refractory brick ontology realization.
Beneficial effects of the present invention are as follows:
1. a kind of rotary kiln refractory brick of the present invention, structure is simple, by opening up blind hole in refractory brick ontology, Firing expanding material, arc panel and vacuum heat-insulating plate is placed in blind hole to improve resistance to while improving refractory brick bulk strength The thermal insulation of firebrick ontology.
2. a kind of rotary kiln refractory brick of the present invention, ingenious in design, by utilizing arc panel and L-type limited block It cooperates, so that arc panel forms protrusion in one end of refractory brick ontology working face after being released by firing expanding material,.Subtract The contact area of few refractory brick ontology and heat, further increases the thermal insulation of refractory brick ontology.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings.
Fig. 1 is main view of the invention;
Fig. 2 is working state schematic representation of the invention;
Fig. 3 is the partial enlarged view in Fig. 1 at A;
Fig. 4 is the partial enlarged view in Fig. 1 at B;
Fig. 5 is the partial enlarged view in Fig. 2 at C;
In figure: refractory brick ontology 1, blind hole 2, vacuum heat-insulating plate 3, collecting hole 4, arc panel 5, L-type limited block 6, brace 7, Fire resisting item 8.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below Specific embodiment is closed, the present invention is further explained.
As shown in Figures 1 to 5, a kind of rotary kiln refractory brick of the present invention, including refractory brick ontology 1, it is described resistance to One group of blind hole 2 is offered in firebrick ontology 1 on vertical direction, opens up blind hole 2 for reducing the stress of refractory brick ontology 1, blind hole 2 Opening be located at the working face of refractory brick ontology 1, one end far from opening in blind hole 2 is internal filled with firing expansion material Material, the volume for being burnt into expanding material account for about the half of 2 volume of blind hole, are placed with vacuum heat-insulating plate 3 in blind hole 2;It is described resistance to Collecting hole 4 is additionally provided on firebrick ontology 1, collecting hole 4 is connected to the blind hole 2 placed at fever expanding material, has heat in collecting hole 4 Air, which enters firing intumescent material swells after the meeting, which releases vacuum heat-insulating plate 3, closes the opening of blind hole 2;The refractory brick ontology 1 during fabrication, the raw material for manufacturing refractory brick ontology 1 is put into corresponding mold first, mold can be according to refractory brick ontology 1 Shape manufacture, when refractory brick ontology 1 firing form after, be put into firing expanding material in the blind hole 2 of refractory brick ontology 1, And vacuum heat-insulating plate 3 is put into blind hole 2;For the refractory brick ontology 1 after being piled into rotary kiln, working face is fired with rotary kiln Material is mutually close, and such rotary kiln is during inoperative, because offering blind hole 2 and thermal-arrest inside refractory brick ontology 1 Hole 4, can not only save the cost of refractory brick manufacture, but also can reduce the stress of refractory brick ontology 1, its intensity be improved, to mention The intensity of high entire rotary kiln;And rotary kiln is in the process of work, the high temperature that inside generates makes internal air heating, and heat is empty Gas is entered by the collecting hole 4 on refractory brick ontology 1, on the one hand, can prevent the temperature of 1 working face of refractory brick ontology is excessively high to make At its local fracture, rotary kiln is caused to collapse;On the other hand, hot-air enters after collecting hole 4 and enters blind hole 2 along collecting hole 4 It is interior, make the firing intumescent material swells in blind hole 2 that vacuum heat-insulating plate 3 to be pushed out to the opening of blind hole 2, because of vacuum heat-insulating plate 3 Blind hole 2 can be filled with good thermal insulation, and after being burnt into intumescent material swells, to improve refractory brick ontology 1 Thermal insulation, reduce rotary kiln internal heat scatter and disappear.
As a kind of specific embodiment of the invention, the one end of the vacuum heat-insulating plate 3 far from firing expanding material is solid It is connected to arc panel 5, arc panel 5 is manufactured using polycrystalline alumina fiber, and the diameter of arc panel 5 is greater than 5-6 millimeters of 2 internal diameter of blind hole, Arc panel 5 is for cooperating vacuum heat-insulating plate 3 heat-insulated;While vacuum heat-insulating plate 3 is released by firing expanding material, arc panel 5 It is pushed out with vacuum heat-insulating plate 3, vacuum heat-insulating plate 3 can be cooperated to close the opening of blind hole 2, improve refractory brick ontology 1 thermal insulation.
As a kind of specific embodiment of the invention, the arc panel 5 is hollow structure, inside it is glutinous filled with fire resisting Soil;The opening of the blind hole 2 is placed with symmetrically arranged L-type limited block 6, and arc panel 5 is formed after contacting with L-type limited block 6 Protrusion;Because being filled with refractory clay in arc panel 5, when arc panel 5 is pushed to the opening of blind hole 2 and contacts with L-type limited block 6 When, arc panel 5 by L-type limited block 6 because limited, two sidesways of the heat-resisting clay at middle part to arc panel 5 in arc panel 5 Dynamic, the heat-resisting clay of 5 two sides of arc panel increases, and the heat-resisting clay at middle part is reduced, and contacts arc panel 5 with L-type limited block 6 Afterwards, protrusion is formed, protrusion can reduce the contact area of 1 hot-air of refractory brick ontology, improve the heat-insulated of refractory brick ontology 1 Property.
As a kind of specific embodiment of the invention, the inner wall of the blind hole 2 need to be processed by shot blasting to reduce blind hole 2 The roughness of inner wall, roughness are used to reduce the absorption of dust in blind hole 2 and accelerate vacuum heat-insulating plate 3 and the release of arc panel 5 Speed;After being processed by shot blasting, roughness reduces blind hole 2, facilitates the release of vacuum heat-insulating plate 3 and arc panel 5, together When, it also can be reduced the content of its internal adhesive dust, prevent excessive dust from influencing vacuum heat-insulating plate 3 and the release of arc panel 5, make The case where being reduced at 1 thermal insulation of refractory brick ontology.
As a kind of specific embodiment of the invention, 4 cross section structure of collecting hole is stepped, and collecting hole 4 from The internal diameter of the working face of refractory brick ontology 1 to non-working surface is sequentially reduced, the collecting hole 4 being sequentially reduced for increase hot-air into Enter its internal pressure;After hot-air enters collecting hole 4, because collecting hole 4 is located at from the working face of refractory brick ontology 1 to non- The internal diameter of working face is sequentially reduced, and pressure constantly increases after hot-air enters collecting hole 4, so as to improve firing expanding material with The speed of hot air, can rapid expanding release arc panel 5 and vacuum heat-insulating plate 3.
As a kind of specific embodiment of the invention, the collecting hole 4 close to one end of working face, inside be connected with Brace 7, brace 7 are equipped with wavy fire resisting item 8, and the surface roughening of fire resisting item 8 is handled, and fire resisting item 8 is for adsorbing from thermal-arrest The dust entered in hole 4;When entering collecting hole 4, the fire resisting item 8 inside collecting hole 4 can be inhaled hot-air after feather plucking is handled The dust being had in attached hot-air, the feelings that reduction excessively causes collecting hole 4 to block because of the dust that hot-air is brought into collecting hole 4 Condition, thus influence entire refractory brick ontology 1 realize it is heat-insulated.
The raw material for manufacturing refractory brick ontology 1 during fabrication, is put into corresponding mold, mould by the refractory brick ontology 1 first Tool can be manufactured according to the shape of refractory brick ontology 1, after the firing of refractory brick ontology 1 forms, in the blind hole of refractory brick ontology 1 It is put into firing expanding material in 2, and vacuum heat-insulating plate 3 is put into blind hole 2;The refractory brick ontology 1 after being piled into rotary kiln, Working face be with rotary kiln fire material it is mutually close, such rotary kiln is during inoperative, because in refractory brick ontology 1 Portion offers blind hole 2 and collecting hole 4, can not only save the cost of refractory brick manufacture, but also can reduce answering for refractory brick ontology 1 Power improves its intensity, to improve the intensity of entire rotary kiln;And rotary kiln is in the process of work, the high temperature that inside generates Make internal air heating, hot-air is entered by the collecting hole 4 on refractory brick ontology 1, on the one hand, can prevent refractory brick sheet The temperature of 1 working face of body is excessively high to cause its local fracture, and rotary kiln is caused to collapse;On the other hand, after hot-air enters collecting hole 4 Enter in blind hole 2 along collecting hole 4, makes the firing intumescent material swells in blind hole 2 that vacuum heat-insulating plate 3 is pushed out to blind hole 2 Blind hole 2 because vacuum heat-insulating plate 3 has good thermal insulation, and can be filled by opening after being burnt into intumescent material swells, from And the thermal insulation of refractory brick ontology 1 is improved, reduce scattering and disappearing for rotary kiln internal heat;It is burnt into vacuum heat-insulating plate 3 swollen While swollen material is released, arc panel 5 is pushed out with vacuum heat-insulating plate 3, and vacuum heat-insulating plate 3 can be cooperated to the opening of blind hole 2 It is closed, improves the thermal insulation of refractory brick ontology 1;Because being filled with refractory clay in arc panel 5, when arc panel 5 is pushed to The opening of blind hole 2 and when being contacted with L-type limited block 6, arc panel 5 because being limited by L-type limited block 6, in arc panel 5 in The heat-resisting clay in portion is mobile to the two sides of arc panel 5, and the heat-resisting clay of 5 two sides of arc panel increases, and the heat-resisting clay at middle part is reduced, Make arc panel 5 after contacting with L-type limited block 6, form protrusion, protrusion can reduce the contact surface of 1 hot-air of refractory brick ontology Product, improves the thermal insulation of refractory brick ontology 1;After being processed by shot blasting, roughness reduces blind hole 2, facilitates vacuum insulation The release of plate 3 and arc panel 5, meanwhile, it also can be reduced the content of its internal adhesive dust, prevent excessive dust process from influencing true The case where empty heat-insulating shield 3 and arc panel 5 are released, 1 thermal insulation of refractory brick ontology are caused to reduce;After hot-air enters collecting hole 4, It is sequentially reduced because collecting hole 4 is located at from the internal diameter of working face to the non-working surface of refractory brick ontology 1, hot-air enters collecting hole Pressure constantly increases after 4, can rapid expanding release arc so as to improve the speed of firing expanding material and hot air Shape plate 5 and vacuum heat-insulating plate 3;For hot-air when entering collecting hole 4, the fire resisting item 8 inside collecting hole 4, can after feather plucking is handled To adsorb the dust having in hot-air, reduce because the dust that hot-air is brought into collecting hole 4 excessively causes collecting hole 4 to block Situation, thus influence entire refractory brick ontology 1 realize it is heat-insulated.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle It is fixed.

Claims (6)

1. a kind of rotary kiln refractory brick, it is characterised in that: vertical in the refractory brick ontology (1) including refractory brick ontology (1) One group of blind hole (2) is offered on direction, opens up blind hole (2) for reducing the stress of refractory brick ontology (1), the opening of blind hole (2) Locate the working face for being located at refractory brick ontology (1), one end far from opening in blind hole (2) is internal to be filled with firing expanding material, The volume of firing expanding material accounts for about the half of blind hole (2) volume, is placed with vacuum heat-insulating plate (3) in blind hole (2);It is described It is additionally provided on refractory brick ontology (1) collecting hole (4), collecting hole (4) is connected to the blind hole (2) placed at fever expanding material, is collected There is hot-air to enter firing intumescent material swells after the meeting in hot hole (4) and vacuum heat-insulating plate (3) are released to the opening for making blind hole (2) Closing.
2. a kind of rotary kiln refractory brick according to claim 1, it is characterised in that: the vacuum heat-insulating plate (3) is separate One end of firing expanding material is connected with arc panel (5), and arc panel (5) is manufactured using polycrystalline alumina fiber, arc panel (5) Diameter is greater than internal diameter 5-6 millimeters of blind hole (2), and arc panel (5) is for cooperating vacuum heat-insulating plate (3) heat-insulated.
3. a kind of rotary kiln refractory brick according to claim 2, it is characterised in that: the arc panel (5) is hollow knot Structure, it is internal to be filled with refractory clay;The opening of the blind hole (2) is placed with symmetrically arranged L-type limited block (6), arc Plate (5) forms protrusion after contacting with L-type limited block (6).
4. a kind of rotary kiln refractory brick according to claim 3, it is characterised in that: the inner wall of the blind hole (2) need to be into To reduce the roughness of blind hole (2) inner wall, roughness is used to reduce the absorption and quickening of blind hole (2) interior dust for row polishing treatment The speed that vacuum heat-insulating plate (3) and arc panel (5) are released.
5. a kind of rotary kiln refractory brick according to claim 1, it is characterised in that: collecting hole (4) cross section structure It is stepped, and collecting hole (4) is sequentially reduced from the internal diameter of working face to the non-working surface of refractory brick ontology (1), is sequentially reduced Collecting hole (4) be used to increase hot-air into its internal pressure.
6. a kind of rotary kiln refractory brick according to claim 5, it is characterised in that: the collecting hole (4) is close to work The one end in face, inside be connected with brace (6), brace (6) be equipped with wavy fire resisting item (7), the surface of fire resisting item (7) is beaten Hair processing, fire resisting item (7) are used to adsorb the dust entered out of collecting hole (4).
CN201910403564.2A 2019-05-15 2019-05-15 Refractory brick for rotary kiln Active CN110207495B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111649588A (en) * 2020-05-19 2020-09-11 汤东阁 Heat-insulating refractory brick

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Publication number Priority date Publication date Assignee Title
DE3725069A1 (en) * 1987-07-29 1989-02-09 Haessler Andreas Honeycomb fibre lining
JP2015057577A (en) * 2013-08-12 2015-03-26 三菱樹脂株式会社 Lining for radiant tube bottom support receiver part
CN204730651U (en) * 2015-05-21 2015-10-28 靳亲国 A kind of porous cross structure insulating fire brick
CN106187248A (en) * 2016-07-26 2016-12-07 济源市耐火炉业有限公司 A kind of MULTILAYER COMPOSITE runner brick and production method thereof
CN207831931U (en) * 2017-12-29 2018-09-07 宜兴摩根热陶瓷有限公司 A kind of exchangeable lightweight furnace roof brick

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3725069A1 (en) * 1987-07-29 1989-02-09 Haessler Andreas Honeycomb fibre lining
JP2015057577A (en) * 2013-08-12 2015-03-26 三菱樹脂株式会社 Lining for radiant tube bottom support receiver part
CN204730651U (en) * 2015-05-21 2015-10-28 靳亲国 A kind of porous cross structure insulating fire brick
CN106187248A (en) * 2016-07-26 2016-12-07 济源市耐火炉业有限公司 A kind of MULTILAYER COMPOSITE runner brick and production method thereof
CN207831931U (en) * 2017-12-29 2018-09-07 宜兴摩根热陶瓷有限公司 A kind of exchangeable lightweight furnace roof brick

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111649588A (en) * 2020-05-19 2020-09-11 汤东阁 Heat-insulating refractory brick

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