CN108484203A - A kind of heat insulation brick prepared using waste refractory bricks - Google Patents
A kind of heat insulation brick prepared using waste refractory bricks Download PDFInfo
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- CN108484203A CN108484203A CN201810281709.1A CN201810281709A CN108484203A CN 108484203 A CN108484203 A CN 108484203A CN 201810281709 A CN201810281709 A CN 201810281709A CN 108484203 A CN108484203 A CN 108484203A
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Abstract
The present invention relates to heat-resisting material technical fields, and in particular to a kind of heat insulation brick prepared using waste refractory bricks.The raw material of insulating brick includes：Refractory brick reworked material, kyanite fine powder, floating bead, calcined kaolin, foaming agent, mullite powder, clay powder, reinforcing agent and water.Wherein, refractory brick reworked material is the neutral corundum fireproof brick for being more than 70% using alumina content, and the grain size obtained after crushing and screening is the particle of 3 6mm.Contain two or more ingredient in titanium oxide, magnesium fluoride, aluminum fluoride and magnesia in reinforcing agent；Foaming agent selects one kind in sodium carbonate, sodium bicarbonate, calcium carbonate, calcium bicarbonate.The thermal and insulating performance of the type heat insulation brick is outstanding, and refractoriness is high, and manufacturing cost is low, and because raw material has used a large amount of reclaiming waste materials, has the high value of environmental protection.
Description
Technical field
The present invention relates to heat-resisting material technical fields, and in particular to a kind of heat insulation prepared using waste refractory bricks
Brick.
Background technology
Refractory brick is a kind of inorganic non-metallic material built by laying bricks or stones for high temperature kiln, and the refractoriness of refractory brick generally reaches
1500 DEG C or more, holding structure it can stablize without melting under this condition of high temperature.Refractory brick is in metallurgy, chemical industry, oil, machine
The industrial circles extensive use such as tool, power.China be heat-resisting material manufacture and use big country, wherein with bauxite and water chestnut
Magnesium mine is that the refractory material yield of the production of primary raw material is even more that long-term position is at the forefront in the world.
During refractory brick production and use, the amount of the substandard products generated every year or the waste products for reaching service life is also
Very huge, these waste products are often carried out landfill disposal due to losing use value as solid waste, this
The ingredient of garbage disposal is not only will increase, the arable land for being largely used to garbage loading embeading, or the waste to resource are occupied.In fact,
Discarded refractory brick is mainly structural failure or structural strength cannot meet requirement, and the chemical composition change of refractory brick
Less, therefore regeneration can be carried out.
Invention content
For problems of the prior art, the present invention provides a kind of heat insulations prepared using waste refractory bricks
The thermal and insulating performance of brick, the type heat insulation brick is outstanding, and refractoriness is high, and manufacturing cost is low, and has the value of environmental protection.
In order to achieve the above object, the present invention is achieved through the following technical solutions：
A kind of heat insulation brick prepared using waste refractory bricks, according to mass fraction, the raw material of the insulating brick includes：It is resistance to
25-30 parts of firebrick reworked material, 5-8 parts of kyanite fine powder, 5-7 parts of floating bead, 15-25 parts of calcined kaolin, 3-7 parts of foaming agent, not
Come 15-20 parts of mountain flour, 17-26 parts of clay powder, 2-4 parts of reinforcing agent, 30-40 parts of water.
Preferably, according to mass fraction, the raw material of the insulating brick includes：27-28 parts of refractory brick reworked material, kyanite fine powder
5-6 parts, 6-7 parts of floating bead, 20-22 parts of calcined kaolin, 5-6 parts of foaming agent, 18-19 parts of mullite powder, 21-22 parts of clay powder,
2-3 parts of reinforcing agent, 34-36 parts of water.
In the present invention, the preparation method of refractory brick reworked material is：By the waste and old refractory brick of recycling be sent in crusher into
Row is broken, and using processing fine crushing after being crushed, sieve classification is then crossed after magnetic separation impurity elimination, filters out the particle that grain size is 3-6mm,
Required refractory brick reworked material will be obtained after particle drying.
Preferably, it is neutral corundum fireproof brick that refractory brick reworked material, which prepares the refractory brick that uses, oxygen in refractory brick ingredient
The content for changing aluminium is more than 70%.
Preferably, fineness≤0.088mm of clay powder, in the main chemical compositions of clay, silica content >=55%, oxygen
Change aluminium content and is more than 40%.
Preferably, the mesh number of mullite powder is 150-200 mesh, and calcined kaolin is 100-150 mesh.
Preferably, in reinforcing agent containing in titanium oxide, magnesium fluoride, aluminum fluoride and magnesia two or more at
Point.
Preferably, foaming agent selects one kind in sodium carbonate, sodium bicarbonate, calcium carbonate, calcium bicarbonate.
The preparation method of heat insulation brick provided by the invention is as follows：It is according to mass fraction, kyanite fine powder, calcining is high
Ridge soil, foaming agent, mullite powder, clay powder, refractory brick reworked material and floating bead are added in batch mixer and premix uniformly, then by water
It is added in batch mixer, and is gradually added reinforcing agent, slurry is made in mixture in batch mixer, and slurry is injected into molding die
Middle extrusion forming completes demoulding after the adobe surface drying molding in mold, and the adobe after demoulding is sent to 120-160 DEG C of drying
Dry 30-40min, carries out preliminary hydro-extraction, is then sent to adobe in 1300-1380 DEG C of tunnel oven and is sintered in kiln,
Sintering time is 8-12h, is taken out adobe from kiln after the completion of sintering, cooled to room temperature, and required fire resistant heat preserving is obtained
Brick.
The present invention has following advantageous effect：
In the raw material of heat insulation brick provided by the invention, the reworked material largely prepared using waste and old refractory brick is realized
Regeneration to waste material has the great value of environmental protection, and because has used waste material, the production cost of heat insulation brick
Also it is reduced.The type heat insulation brick is mainly used for building by laying bricks or stones for heating kiln outer layer heat insulation wall, the structural strength of brick body,
Compression strength, heat-resisting and heat-insulating property can reach requirement, especially because largely having used refractory brick reworked material conduct
The refractoriness performance of raw material, brick body is also very outstanding.
Further, since being added to floating bead and foaming agent in the feed, brick body contains many miniature air gaps, this is promoting brick
While body heat-insulating property, the quality of brick body can also be reduced, the final transportation cost for reducing brick body.The use of reinforcing agent, makes
Level off to ceramic after the completion of brick body sintering, to improve the structural strength of brick body.
Specific implementation mode
The specific implementation mode of the present invention is further described with reference to embodiment, following embodiment is only used for more
Technical scheme of the present invention is clearly demonstrated, and not intended to limit the protection scope of the present invention.
Embodiment 1
A kind of heat insulation brick prepared using waste refractory bricks, according to mass fraction, the raw material of the insulating brick includes：It is resistance to
25 parts of firebrick reworked material, 5 parts of kyanite fine powder, 5 parts of floating bead, 15 parts of calcined kaolin, 3 parts of foaming agent, 15 parts of mullite powder glue
17 parts of native powder, 2 parts of reinforcing agent, 30 parts of water.
In the present embodiment, the preparation method of refractory brick reworked material is：The waste and old refractory brick of recycling is sent in crusher
It is crushed, using processing fine crushing after being crushed, sieve classification is then crossed after magnetic separation impurity elimination, filter out that grain size is 3-6mm
Grain, will obtain required refractory brick reworked material after particle drying.It is neutral corundum that refractory brick reworked material, which prepares the refractory brick used,
Refractory brick, the content of aluminium oxide is more than 70% in refractory brick ingredient.
Wherein, fineness≤0.088mm of clay powder, in the main chemical compositions of clay, silica content >=55%, oxidation
Aluminium content is more than 40%.The mesh number of mullite powder is 150 mesh, and calcined kaolin is 100 mesh.Contain titanium oxide and fluorine in reinforcing agent
Change magnesium.Foaming agent selects sodium carbonate.
The preparation method of heat insulation brick provided in this embodiment is as follows：According to mass fraction, by kyanite fine powder, calcining
Kaolin, foaming agent, mullite powder, clay powder, refractory brick reworked material and floating bead, which are added in batch mixer, to be premixed uniformly, then will
Water is added in batch mixer, and is gradually added reinforcing agent, and slurry is made in mixture in batch mixer, and slurry is injected into shaping mould
Extrusion forming in tool completes demoulding after the adobe surface drying molding in mold, and the adobe after demoulding is sent to 120 DEG C of dry kiln
Middle dry 30min carries out preliminary hydro-extraction, then adobe is sent in 1300 DEG C of tunnel oven and is sintered, sintering time is
8h takes out adobe after the completion of sintering, cooled to room temperature from kiln, obtains required fireproof insulation brick.
Embodiment 2
A kind of heat insulation brick prepared using waste refractory bricks, according to mass fraction, the raw material of the insulating brick includes：It is resistance to
30 parts of firebrick reworked material, 8 parts of kyanite fine powder, 7 parts of floating bead, 25 parts of calcined kaolin, 7 parts of foaming agent, 20 parts of mullite powder glue
26 parts of native powder, 4 parts of reinforcing agent, 40 parts of water.
In the present embodiment, the preparation method of refractory brick reworked material is：The waste and old refractory brick of recycling is sent in crusher
It is crushed, using processing fine crushing after being crushed, sieve classification is then crossed after magnetic separation impurity elimination, filter out that grain size is 3-6mm
Grain, will obtain required refractory brick reworked material after particle drying.It is neutral corundum that refractory brick reworked material, which prepares the refractory brick used,
Refractory brick, the content of aluminium oxide is more than 70% in refractory brick ingredient.
Wherein, fineness≤0.088mm of clay powder, in the main chemical compositions of clay, silica content >=55%, oxidation
Aluminium content is more than 40%.The mesh number of mullite powder is 200 mesh, and calcined kaolin is 150 mesh.Contain aluminum fluoride and oxygen in reinforcing agent
Change magnesium.Foaming agent selects sodium bicarbonate.
The preparation method of heat insulation brick provided in this embodiment is as follows：According to mass fraction, by kyanite fine powder, calcining
Kaolin, foaming agent, mullite powder, clay powder, refractory brick reworked material and floating bead, which are added in batch mixer, to be premixed uniformly, then will
Water is added in batch mixer, and is gradually added reinforcing agent, and slurry is made in mixture in batch mixer, and slurry is injected into shaping mould
Extrusion forming in tool completes demoulding after the adobe surface drying molding in mold, and the adobe after demoulding is sent to 160 DEG C of dry kiln
Middle dry 40min carries out preliminary hydro-extraction, then adobe is sent in 1380 DEG C of tunnel oven and is sintered, sintering time is
12h takes out adobe after the completion of sintering, cooled to room temperature from kiln, obtains required fireproof insulation brick.
Embodiment 3
A kind of heat insulation brick prepared using waste refractory bricks, according to mass fraction, the raw material of the insulating brick includes：It is resistance to
28 parts of firebrick reworked material, 7 parts of kyanite fine powder, 6 parts of floating bead, 20 parts of calcined kaolin, 5 parts of foaming agent, 17 parts of mullite powder glue
20 parts of native powder, 3 parts of reinforcing agent, 35 parts of water.
In the present embodiment, the preparation method of refractory brick reworked material is：The waste and old refractory brick of recycling is sent in crusher
It is crushed, using processing fine crushing after being crushed, sieve classification is then crossed after magnetic separation impurity elimination, filter out that grain size is 3-6mm
Grain, will obtain required refractory brick reworked material after particle drying.It is neutral corundum that refractory brick reworked material, which prepares the refractory brick used,
Refractory brick, the content of aluminium oxide is more than 70% in refractory brick ingredient.
Wherein, fineness≤0.088mm of clay powder, in the main chemical compositions of clay, silica content >=55%, oxidation
Aluminium content is more than 40%.The mesh number of mullite powder is 180 mesh, and calcined kaolin is 130 mesh.Contain magnesium fluoride and oxygen in reinforcing agent
Change magnesium.Foaming agent selects calcium carbonate.
The preparation method of heat insulation brick provided in this embodiment is as follows：According to mass fraction, by kyanite fine powder, calcining
Kaolin, foaming agent, mullite powder, clay powder, refractory brick reworked material and floating bead, which are added in batch mixer, to be premixed uniformly, then will
Water is added in batch mixer, and is gradually added reinforcing agent, and slurry is made in mixture in batch mixer, and slurry is injected into shaping mould
Extrusion forming in tool completes demoulding after the adobe surface drying molding in mold, and the adobe after demoulding is sent to 140 DEG C of dry kiln
Middle dry 35min carries out preliminary hydro-extraction, then adobe is sent in 1350 DEG C of tunnel oven and is sintered, sintering time is
10h takes out adobe after the completion of sintering, cooled to room temperature from kiln, obtains required fireproof insulation brick.
Embodiment 4
A kind of heat insulation brick prepared using waste refractory bricks, according to mass fraction, the raw material of the insulating brick includes：It is resistance to
25 parts of firebrick reworked material, 8 parts of kyanite fine powder, 6 parts of floating bead, 15 parts of calcined kaolin, 6 parts of foaming agent, 17 parts of mullite powder glue
22 parts of native powder, 3 parts of reinforcing agent, 34 parts of water.
In the present embodiment, the preparation method of refractory brick reworked material is：The waste and old refractory brick of recycling is sent in crusher
It is crushed, using processing fine crushing after being crushed, sieve classification is then crossed after magnetic separation impurity elimination, filter out that grain size is 3-6mm
Grain, will obtain required refractory brick reworked material after particle drying.It is neutral corundum that refractory brick reworked material, which prepares the refractory brick used,
Refractory brick, the content of aluminium oxide is more than 70% in refractory brick ingredient.
Wherein, fineness≤0.088mm of clay powder, in the main chemical compositions of clay, silica content >=55%, oxidation
Aluminium content is more than 40%.The mesh number of mullite powder is 160 mesh, and calcined kaolin is 130 mesh.Contain titanium oxide, fluorine in reinforcing agent
Change magnesium, aluminum fluoride and magnesia.Foaming agent selects calcium bicarbonate.
The preparation method of heat insulation brick provided in this embodiment is as follows：According to mass fraction, by kyanite fine powder, calcining
Kaolin, foaming agent, mullite powder, clay powder, refractory brick reworked material and floating bead, which are added in batch mixer, to be premixed uniformly, then will
Water is added in batch mixer, and is gradually added reinforcing agent, and slurry is made in mixture in batch mixer, and slurry is injected into shaping mould
Extrusion forming in tool completes demoulding after the adobe surface drying molding in mold, and the adobe after demoulding is sent to 160 DEG C of dry kiln
Middle dry 30min carries out preliminary hydro-extraction, then adobe is sent in 1370 DEG C of tunnel oven and is sintered, sintering time is
11h takes out adobe after the completion of sintering, cooled to room temperature from kiln, obtains required fireproof insulation brick.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although with reference to aforementioned reality
Applying example, invention is explained in detail, for those skilled in the art, still can be to aforementioned each implementation
Technical solution recorded in example is modified or equivalent replacement of some of the technical features.All essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (9)
1. a kind of heat insulation brick prepared using waste refractory bricks, it is characterised in that：According to mass fraction, the insulating brick
Raw material includes：25-30 parts of refractory brick reworked material, 5-8 parts of kyanite fine powder, 5-7 parts of floating bead, 15-25 parts of calcined kaolin, foaming
3-7 parts of agent, 15-20 parts of mullite powder, 17-26 parts of clay powder, 2-4 parts of reinforcing agent, 30-40 parts of water.
2. a kind of heat insulation brick prepared using waste refractory bricks according to claim 1, it is characterised in that：According to quality
The raw material of number, the insulating brick includes：27-28 parts of refractory brick reworked material, 5-6 parts of kyanite fine powder, 6-7 parts of floating bead, calcining
20-22 parts of kaolin, 5-6 parts of foaming agent, 18-19 parts of mullite powder, 21-22 parts of clay powder, 2-3 parts of reinforcing agent, water 34-36
Part.
3. a kind of heat insulation brick prepared using waste refractory bricks according to claim 1, it is characterised in that：The fire resisting
The preparation method of brick reworked material is：The waste and old refractory brick of recycling is sent in crusher and is crushed, using thin after being crushed
Then sieve classification is crossed in broken processing after magnetic separation impurity elimination, filter out the particle that grain size is 3-6mm, will be obtained after particle drying required
Refractory brick reworked material.
4. a kind of heat insulation brick prepared using waste refractory bricks according to claim 3, it is characterised in that：The fire resisting
It is neutral corundum fireproof brick that brick reworked material, which prepares the refractory brick that uses, and the content of aluminium oxide is more than 70% in refractory brick ingredient.
5. a kind of heat insulation brick prepared using waste refractory bricks according to claim 1, it is characterised in that：The clay
Fineness≤0.088mm of powder, in the main chemical compositions of clay, silica content >=55%, alumina content is more than 40%.
6. a kind of heat insulation brick prepared using waste refractory bricks according to claim 1, it is characterised in that：It is described not come
The mesh number of mountain flour is 150-200 mesh, and calcined kaolin is 100-150 mesh.
7. a kind of heat insulation brick prepared using waste refractory bricks according to claim 1, it is characterised in that：The enhancing
Contain two or more ingredient in titanium oxide, magnesium fluoride, aluminum fluoride and magnesia in agent.
8. a kind of heat insulation brick prepared using waste refractory bricks according to claim 1, it is characterised in that：The foaming
One kind in sodium carbonate, sodium bicarbonate, calcium carbonate, calcium bicarbonate is selected in agent.
9. a kind of heat insulation brick prepared using waste refractory bricks according to claim 1, which is characterized in that described heat-resisting
The preparation method of insulating brick is as follows：According to mass fraction, by kyanite fine powder, calcined kaolin, foaming agent, mullite powder, glue
Native powder, refractory brick reworked material and floating bead are added in batch mixer and premix uniformly, then add water in batch mixer, and gradually add
Enter reinforcing agent, slurry is made in mixture in batch mixer, and slurry is injected into extrusion forming in molding die, waits for the brick in mold
Demoulding is completed after the molding of base surface drying, the adobe after demoulding is sent in 120-160 DEG C of dry kiln dry 30-40min, carries out just
Adobe, is then sent in 1300-1380 DEG C of tunnel oven and is sintered by step dehydration, and sintering time 8-12h, sintering is completed
Adobe is taken out afterwards, cooled to room temperature from kiln, obtains required fireproof insulation brick.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109180146A (en) * | 2018-09-18 | 2019-01-11 | 明光瑞尔非金属材料有限公司 | A kind of anticracking refractory brick of environmental protection and preparation method thereof |
| CN110452003A (en) * | 2019-09-04 | 2019-11-15 | 郑州瑞泰耐火科技有限公司 | One kind is main Material synthesis refractory brick and preparation method thereof with discarded siliceous mullite brick |
| CN112094128A (en) * | 2020-09-25 | 2020-12-18 | 南阳开元高温新材料有限公司 | High-strength mullite light heat-insulating brick |
| CN112121969A (en) * | 2020-08-24 | 2020-12-25 | 柯超 | Method for preparing fire brick grains by utilizing waste runner bricks |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104150916A (en) * | 2014-04-22 | 2014-11-19 | 河南鑫诚耐火材料股份有限公司 | Insulating brick used at bottom of roasting furnace and preparation method of insulating brick |
| CN107556043A (en) * | 2017-09-04 | 2018-01-09 | 谭永超 | A kind of building block with strong insulative effectiveness and preparation method thereof |
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2018
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104150916A (en) * | 2014-04-22 | 2014-11-19 | 河南鑫诚耐火材料股份有限公司 | Insulating brick used at bottom of roasting furnace and preparation method of insulating brick |
| CN107556043A (en) * | 2017-09-04 | 2018-01-09 | 谭永超 | A kind of building block with strong insulative effectiveness and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109180146A (en) * | 2018-09-18 | 2019-01-11 | 明光瑞尔非金属材料有限公司 | A kind of anticracking refractory brick of environmental protection and preparation method thereof |
| CN110452003A (en) * | 2019-09-04 | 2019-11-15 | 郑州瑞泰耐火科技有限公司 | One kind is main Material synthesis refractory brick and preparation method thereof with discarded siliceous mullite brick |
| CN112121969A (en) * | 2020-08-24 | 2020-12-25 | 柯超 | Method for preparing fire brick grains by utilizing waste runner bricks |
| CN112094128A (en) * | 2020-09-25 | 2020-12-18 | 南阳开元高温新材料有限公司 | High-strength mullite light heat-insulating brick |
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Application publication date: 20180904 |