CN108640634A - A kind of method that blast furnace ash inorganic materials lightweight gas steams brick - Google Patents
A kind of method that blast furnace ash inorganic materials lightweight gas steams brick Download PDFInfo
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- CN108640634A CN108640634A CN201810769664.2A CN201810769664A CN108640634A CN 108640634 A CN108640634 A CN 108640634A CN 201810769664 A CN201810769664 A CN 201810769664A CN 108640634 A CN108640634 A CN 108640634A
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- blast furnace
- brick
- furnace ash
- steams
- inorganic materials
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Catalysts (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of methods that blast furnace ash inorganic materials lightweight gas steams brick, include the following steps：Step 1: being 50 ~ 60 by weight by blast furnace ash raw material and sand, gypsum：10~15：5 ~ 6 add water wet-milling into ball mill together, obtain blast furnace mortar；Quick lime is crushed and is ground into calcium lime powder；Step 2: being 65 ~ 70 by weight by blast furnace mortar and calcium lime powder:It after being stirred evenly in 20 ~ 25 input molding blenders, then puts into foaming agent and catalyst quickly stirs evenly, obtains concrete slurry；Step 3: concrete slurry is put into rail vehicle in slot, then reaction foaming, molding hardening are disengaged from the groove and cut into square brick；Step 4: square brick is sent into still kettle after pressurization maintenance, goes out kettle and divide brick.The present invention can realize the thorough recycling of blast furnace ash, realize energy conservation and environmental protection, the gas of production, which steams brick, has the advantages that light weight, good heat insulating, intensity are high, brick body internal organizational structure is uniform.
Description
Technical field
The present invention relates to the applications of blast furnace ash, and in particular to a kind of blast furnace ash inorganic materials lightweight gas steams the side of brick
Method.
Background technology
Blast furnace ash is needed as the solid waste generated in steel-making industry by reasonable processing and disposition, to meet environmental protection
Requirement.
Blast furnace ash has always in steel mill, and the quantity only generated when raw material are smelted is fewer, wherein containing can
Iron large percentage is recycled, blocky or orbicule pad can be made and flashed back in furnace bottom, to handle blast furnace ash.
In recent years, the large percentage of waste and old steel recycling steel-making, the blast furnace ash of generation is not only measured greatly, and matter is poor, wherein
The content of ferrous oxide has reached 50% or so, can magnetic separation iron content be less than 6%, the content of zinc has reached 1.5% or so.In this way
Blast furnace ash have damage to burner hearth due to its zinc substance contained, processing of flashing back should not be used.Specifically, simple substance zinc
Fusing point is 420 DEG C, and when burning will produce zinc oxide of the fusing point at 1900 DEG C or more, zinc oxide can on furnace chamber dross, and furnace chamber
Dross can influence to produce.At present for furnace chamber dross method be stop production be cooled to room temperature after, by manually carrying out rooting out for dross,
When rooting out operation, it is easy to break burner hearth refractory brick into pieces, to destroy furnace body, thus no longer flashes back.
There are mainly two types of existing blast furnace ash method of resource, and one is wet separation, another kind is active choosing, both methods
Blast furnace ash is all only taken to carry out recycling in red one or two monomers.For example, wherein carbon is as pitch-dark or active
Charcoal and magnetic separation iron etc..
Invention content
The goal of the invention of the present invention is to provide a kind of method of blast furnace ash inorganic materials lightweight gas steaming brick, can realize
The thorough recycling of blast furnace ash realizes energy conservation and environmental protection, and the gas of production, which steams brick, has light weight, good heat insulating, intensity
Advantage high, brick body internal organizational structure is uniform.
To achieve the above object of the invention, the technical solution adopted by the present invention is：A kind of blast furnace ash inorganic materials lightweight
The method that gas steams brick, includes the following steps：
Step 1: being 50 ~ 60 by weight by the blast furnace ash raw material containing iron, carbon and zinc and sand, gypsum：10~15：5 ~ 6 together
Into ball mill plus water wet-milling, blast furnace mortar is obtained；Quick lime is crushed and is ground into calcium lime powder；
Step 2: being 65 ~ 70 by weight by blast furnace mortar and calcium lime powder:It is stirred in 20 ~ 25 input molding blenders equal
It after even, then puts into foaming agent and catalyst quickly stirs evenly, obtains concrete slurry；The dosage of the foaming agent accounts for all originals
The 0.1 ~ 0.2% of material, the dosage of the catalyst accounts for the 0.05 ~ 0.07% of all raw materials；
Step 3: concrete slurry is put into rail vehicle in slot, then reaction foaming, molding hardening are disengaged from the groove and cut into square brick；
Step 4: square brick is sent into still kettle after pressurization maintenance, goes out kettle and divide brick.
In above-mentioned technical proposal, in the step 1, the blast furnace ash raw material is more than 300 mesh powders；The gypsum
For the desulfurization gypsum powder of 100 ~ 120 mesh；The calcium lime powder is 100 ~ 120 mesh.
In above-mentioned technical proposal, in the step 2, the foaming agent is aluminium powder；The catalyst is hydrogen peroxide solution.
In above-mentioned technical proposal, the aluminium powder is 100 ~ 120 mesh；The mass concentration of the hydrogen peroxide solution is 25 ~ 45%.
Six mirror polish, which are first carried out, in above-mentioned technical proposal, in the step 3, after being disengaged from the groove cuts into square brick again.
In above-mentioned technical proposal, in the step 4, be passed through in still kettle weight be 10 ~ 12 kilograms, temperature be 180 ~
200 DEG C of steam, square brick pressurizes in still kettle to be conserved 9 ~ 11 hours.
In above-mentioned technical proposal, the dosage of the blast furnace ash raw material accounts for the 45 ~ 55% of all raw materials.For blast furnace ash raw material
Dosage proportion shared in all raw materials, the present invention is not specifically limited, it is typical but non-limiting can be 45%,
46%、47%、48%、49%、50%、51%、52%、53%、54%、55%.Preferably 50%.
Since above-mentioned technical proposal is used, the present invention has following advantages compared with prior art：
The present invention steams brick by the way that gas is made in the blast furnace ash of steel mill output, can realize the thorough recycling profit of blast furnace ash
With, realization energy conservation and environmental protection, and gas obtained steams brick with light weight, good heat insulating, intensity height, brick body internal organizational structure
Uniform advantage.
Description of the drawings
Fig. 1 is the production procedure schematic diagram of the embodiment of the present invention one.
Specific implementation mode
The invention will be further described with reference to the accompanying drawings and embodiments：
Embodiment one：
A kind of method shown in Figure 1, that blast furnace ash inorganic materials lightweight gas steams brick, includes the following steps：
Step 1: being 50 ~ 60 by weight by the blast furnace ash raw material containing iron, carbon and zinc and sand, gypsum：10~15：5 ~ 6 together
Into ball mill plus water wet-milling, blast furnace mortar is obtained；Quick lime is crushed and is ground into calcium lime powder；
Step 2: being 65 ~ 70 by weight by blast furnace mortar and calcium lime powder:It is stirred in 20 ~ 25 input molding blenders equal
After even, then foaming agent is put into and catalyst quickly stirs evenly, at this point, the 480 rev/min stirring of control molding blender rotating speed
3 ~ 5 minutes, obtain concrete slurry；The dosage of the foaming agent accounts for the 0.1 ~ 0.2% of all raw materials, the dosage of the catalyst
Account for the 0.05 ~ 0.07% of all raw materials；
Step 3: concrete slurry is put into rail vehicle in slot, then reaction foaming, molding hardening are disengaged from the groove and cut into square brick；
Step 4: square brick is sent into still kettle after pressurization maintenance, goes out kettle and divide brick.
In the present embodiment, in the step 1, the blast furnace ash raw material is 300 mesh powders；The gypsum is 100 purposes
Desulfurization gypsum powder；The calcium lime powder is 100 mesh.
In the present embodiment, in the step 2, the foaming agent is aluminium powder；The catalyst is hydrogen peroxide solution.
In the present embodiment, the aluminium powder is 100 mesh；The mass concentration of the hydrogen peroxide solution is 30%.
Six mirror polish, which are first carried out, in the present embodiment, in the step 3, after being disengaged from the groove cuts into square brick again.
In the present embodiment, in the step 4, the steam that weight is 10 kilograms, temperature is 190 DEG C is passed through in still kettle,
Square brick pressurizes in still kettle to be conserved 10 hours.
In the present embodiment, the dosage of the blast furnace ash raw material accounts for the 50% of all raw materials, at this point, the gas that production obtains steams brick
It is best in quality
The thorough recycling that the present invention is carried out primarily directed to the blast furnace ash waste material of Xiang Tan steel mill output, contains in the blast furnace ash
50.16% iron, 13.55% carbon, 1.95% zinc.The present invention is produced into environment-friendly products lightweight gas and steams brick, for the structure that builds a house
Cavity is built, the thorough recycling of blast furnace ash is realized, eliminates pollution.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
A variety of modifications of above-described embodiment will be apparent to those skilled in the art, it is as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to above-described embodiment shown in this article, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (8)
1. a kind of method that blast furnace ash inorganic materials lightweight gas steams brick, which is characterized in that include the following steps：
Step 1: being 50 ~ 60 by weight by the blast furnace ash raw material containing iron, carbon and zinc and sand, gypsum：10~15：5 ~ 6 together
Into ball mill plus water wet-milling, blast furnace mortar is obtained；Quick lime is crushed and is ground into calcium lime powder；
Step 2: being 65 ~ 70 by weight by blast furnace mortar and calcium lime powder:It is stirred in 20 ~ 25 input molding blenders equal
It after even, then puts into foaming agent and catalyst quickly stirs evenly, obtains concrete slurry；The dosage of the foaming agent accounts for all originals
The 0.1 ~ 0.2% of material, the dosage of the catalyst accounts for the 0.05 ~ 0.07% of all raw materials；
Step 3: concrete slurry is put into rail vehicle in slot, then reaction foaming, molding hardening are disengaged from the groove and cut into square brick；
Step 4: square brick is sent into still kettle after pressurization maintenance, goes out kettle and divide brick.
2. the method that blast furnace ash inorganic materials lightweight gas according to claim 1 steams brick, it is characterised in that：The step
In rapid one, the blast furnace ash raw material is more than 300 mesh powders；The gypsum is the desulfurization gypsum powder of 100 ~ 120 mesh；The life
Pulverized limestone is 100 ~ 120 mesh.
3. the method that blast furnace ash inorganic materials lightweight gas according to claim 1 steams brick, it is characterised in that：The step
In rapid two, the foaming agent is aluminium powder；The catalyst is hydrogen peroxide solution.
4. the method that blast furnace ash inorganic materials lightweight gas according to claim 3 steams brick, it is characterised in that：The aluminium
Powder is 100 ~ 120 mesh；The mass concentration of the hydrogen peroxide solution is 25 ~ 45%.
5. the method that blast furnace ash inorganic materials lightweight gas according to claim 1 steams brick, it is characterised in that：The step
Six mirror polish, which are first carried out, in rapid three, after being disengaged from the groove cuts into square brick again.
6. the method that blast furnace ash inorganic materials lightweight gas according to claim 1 steams brick, it is characterised in that：The step
In rapid four, the steam that weight is 10 ~ 12 kilograms, temperature is 180 ~ 200 DEG C is passed through in still kettle, square brick pressurizes in still kettle
Maintenance 9 ~ 11 hours.
7. the method that blast furnace ash inorganic materials lightweight gas according to claim 1 steams brick, it is characterised in that：The height
The dosage of ashes raw material accounts for the 45 ~ 55% of all raw materials.
8. the method that blast furnace ash inorganic materials lightweight gas according to claim 7 steams brick, it is characterised in that：The height
The dosage of ashes raw material accounts for the 50% of all raw materials.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810769664.2A CN108640634A (en) | 2018-07-13 | 2018-07-13 | A kind of method that blast furnace ash inorganic materials lightweight gas steams brick |
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| CN201810769664.2A CN108640634A (en) | 2018-07-13 | 2018-07-13 | A kind of method that blast furnace ash inorganic materials lightweight gas steams brick |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114853414A (en) * | 2022-04-26 | 2022-08-05 | 徐州市正峰锌业有限公司 | Method for preparing autoclaved aerated concrete block by taking blast furnace slag-gold tailings as raw material |
| CN114940624A (en) * | 2022-04-25 | 2022-08-26 | 徐州市正峰锌业有限公司 | Method for preparing heat-insulating foam material by utilizing blast furnace ash as resource |
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| CN106986661A (en) * | 2017-04-12 | 2017-07-28 | 南通博泰美术图案设计有限公司 | Aerating environmental protection process for producing bricks |
| CN107266108A (en) * | 2017-06-29 | 2017-10-20 | 合肥达户电线电缆科技有限公司 | A kind of air-entrained concrete building block and preparation method thereof |
| CN107382235A (en) * | 2017-06-14 | 2017-11-24 | 江苏博拓新型建筑材料有限公司 | Utilize the air-entrained concrete building block and its processing method of blast-furnace cinder production |
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2018
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| CN104860599A (en) * | 2015-05-22 | 2015-08-26 | 蚌埠营军新型墙体材料有限公司 | Preparation method of aerated brick with good waterproof performance |
| CN106986661A (en) * | 2017-04-12 | 2017-07-28 | 南通博泰美术图案设计有限公司 | Aerating environmental protection process for producing bricks |
| CN107382235A (en) * | 2017-06-14 | 2017-11-24 | 江苏博拓新型建筑材料有限公司 | Utilize the air-entrained concrete building block and its processing method of blast-furnace cinder production |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114940624A (en) * | 2022-04-25 | 2022-08-26 | 徐州市正峰锌业有限公司 | Method for preparing heat-insulating foam material by utilizing blast furnace ash as resource |
| CN114853414A (en) * | 2022-04-26 | 2022-08-05 | 徐州市正峰锌业有限公司 | Method for preparing autoclaved aerated concrete block by taking blast furnace slag-gold tailings as raw material |
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Application publication date: 20181012 |