CN105837248A - Self heat-insulation concrete block produced by industrial residue and manufacturing method thereof - Google Patents
Self heat-insulation concrete block produced by industrial residue and manufacturing method thereof Download PDFInfo
- Publication number
- CN105837248A CN105837248A CN201610230076.2A CN201610230076A CN105837248A CN 105837248 A CN105837248 A CN 105837248A CN 201610230076 A CN201610230076 A CN 201610230076A CN 105837248 A CN105837248 A CN 105837248A
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- Prior art keywords
- slag
- self
- industrial residue
- powder
- heat type
- Prior art date
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Classifications
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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
- C04B28/18—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 mixtures of the silica-lime type
-
- 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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/02—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding chemical blowing agents
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The invention discloses a self heat-insulation concrete block produced by industrial residue and a manufacturing method thereof, and belongs to the technical field of environmentally friendly material production. The invention provides the self heat-insulation concrete block reduced the influence on adjacent environment of the industrial residue and the manufacturing method thereof. The self heat-insulation concrete block is a concretion mixture, and is prepared from 7-35 parts of active material, 0.05-1 part of foaming agent, 1-10 parts of binding agent, 2-10 parts of retarder, 0.5-3 parts of gelatinizing agent, 0.5-3 parts of mineralizer, 0.01-0.06 part of gas-forming rate regulator, and 40-55 parts of levigated slag. The manufacturing method comprises the steps of levigating slag; compounding and levigating the active material; mixing the slag and the ingredients such as active material uniformly; performing foaming, maintenance and solidification of the uniform mixture to prepare a foamed concrete base; cutting the foamed concrete base to be concrete block semi-finished product; and performing supercharging and maintenance of the concrete block semi-finished product in a still kettle and the like.
Description
Technical field
The present invention relates to a kind of self-conserving heat type concrete segment, especially relate to the self-conserving heat type coagulation that a kind of industrial residue produces
Earth building blocks, belongs to environment-friendly materials manufacturing technology field.The invention still further relates to a kind of for described self-conserving heat type concrete segment
Manufacture method.
Background technology
Panzhihua Region has very abundant v-ti magnetite ore resources, can produce relatively during developing vanadium titano-magnetite
Many industrial residues, main industrial residue has: vanadium titano-magnetite can produce choosing after vanadium iron concentrate and ilmenite concentrate are selected in ore dressing
Ore deposit tailings, sefstromite concentrate can produce blast furnace slag after entering blast furnace process, produces titanium dioxide with ilmenite concentrate and can produce titanium gypsum.In order to
Reducing above-mentioned waste residue and surrounding is caused significant impact, mainly carried out the research on utilization of blast furnace slag, blast furnace slag is permissible
Utilize and produce concrete and petroleum propping agent, through the effort of scientific and technical personnel, successfully study blast furnace utilization in producing coagulation
Soil, the concrete developed can be used for construction of the highway and construction, preferably solves storing up of blast furnace slag and asks with environmental pollution
Topic.Research worker has also carried out the recycling research of titanium gypsum, titanium gypsum can be used for cement plant as retarder, owing to adding
Enter amount few, the most really solve storing up and pollution problem of titanium gypsum.Research worker seldom pays close attention to the recycling research of milltailings,
Milltailings is emitted into tailings reservoir for piling always, and along with the increase of vanadium titano-magnetite exploitation amount, Tailings Dam storage is increasing, accounts for
By substantial amounts of land resource, there is bigger potential safety hazard simultaneously.In this case, how study that disposal of commercial waste residue has been
Become the work of the most important thing.Reasonable disposal of commercial waste residue is also comprehensively utilized, it will promote Panzhihua Region vanadium titanium further
The safely cleaning of iron mine produces, and Panzhihua Region is made " sunlight health supports city " significant.
Summary of the invention
The technical problem to be solved is: provides a kind of and can effectively reduce the use that surrounding enviroment are impacted by industrial residue
The self-conserving heat type concrete segment that industrial residue produces.Present invention also offers a kind of for described self-conserving heat type concrete segment
Manufacture method.
The self-conserving heat type concrete that be the technical scheme is that a kind of industrial residue produces by solving above-mentioned technical problem is built
Block, it is characterised in that: described self-conserving heat type concrete segment is the consolidated mixture being made up of following weight parts component,
Described parts by weight of component is active material 7-35 part, foaming agent 0.5-1 part, bonding agent 1-10 part, retarder 2～10
Part, gellant 0.5-3 part, foaming agent 0.05～1 part, mineralizer 0.5-3 part, raising rate regulator 0.01～0.06 part with
And the slag 40-55 part after levigate.
Further, described active material is the mixture powder that the granularity being made up of following weight parts component is more than 200 mesh,
Described parts by weight of component is powder after the active lime of 2-10 part mixes with the silicon powder of the coal dust ash of 10-25 part or 5-15 part
Mill is the fine powder mixture material of more than 200 mesh.
Further, described foaming agent is metallic aluminium powder, and the granularity of metallic aluminium powder is more than 325 mesh, and described gellant is
Ludox.
Further, described mineralizer is fine magnesium oxide micro-powder, and the granularity of described fine magnesium oxide micro-powder is 200 purposes；Described
Raising rate regulator is sodium carbonate or sodium hydroxide.
Further, described bonding agent is the Portland clinker that granularity is more than 200 mesh.
Further, described retarder is natural gesso or the desulfurization gypsum powder that granularity is more than 200 mesh.
Further,
Further, described slag is that granularity is more than the tailings after the vanadium titano-magnetite ore dressing of 200 mesh and/or at shrend
The blast furnace slag of reason or slag.
A kind of manufacture method for described self-conserving heat type concrete segment, comprises the following steps,
A, use ball mill that schreyerite slag and/or blast furnace slag, slag are carried out levigate process；
B, select suitable active material, active material is compounded, use ball mill levigate；
C, by the slag after levigate and active material, foaming agent, bonding agent, retarder, raising rate regulator and gellant
Carry out dispensing in a ratio, be transported to mix homogeneously in mixer；
D, it is transported in foam box foam by the material mixed, and it is mixed to obtain foaming after maintenance, solidification, form removal
Solidifying soil；
E, foamed concrete is delivered to wire cutting machine cut into the foam concrete block semi-finished product of given size；
F, deliver to still kettle carries out supercharging maintenance by foam concrete block semi-finished product after obtain from humidity-preserving type concrete segment become
Product.
Further, weigh after material by said ratio requirement, first send into and Forced Mixing equipment carries out 1～3min be dry mixed
Process, add a certain proportion of water the most again and carry out the wet mixing process of 1～2min, be then sent in the foam box of cuboid-type
Carry out foaming；When foaming, in foamed time controls after 10-20min, blowing temperature controls at 40-55 DEG C of model
In enclosing.
Further, foam concrete block semi-finished product are sent to still kettle carry out steam-cured process time, steam-cured treatment temperature control
System is between 180 DEG C～210 DEG C, and the steam-cured time controls between 6h～10h, and steam-cured Stress control is at 1.2MPa～1.5MPa
Between.
The invention has the beneficial effects as follows: each weight portion above-mentioned constituting described self-conserving heat type concrete segment provided by the application
In component materials, main material respectively account for total amount 40-55 part levigate after slag and account for total amount 7-35 part active material, from
And the tailings after making self-conserving heat type concrete segment described herein can make full use of ore dressing.The most both ore dressing tail can have been reduced
The slag occupancy to stock's land used, reduces and stacks environmental pollution, can provide cheap, economic and environment-friendly for all kinds of architectural engineerings again
Molding construction material, ensureing to may also reach up on the premise of environmental friendliness the purpose of waste and old recycling.
Detailed description of the invention
Pollution and data waste, the one that the present invention provides is stacked in order to solve the environment that in prior art, a large amount of ore dressing tailings cause
Can effectively reduce the self-conserving heat type concrete segment produced with industrial residue that surrounding enviroment are impacted by industrial residue, Yi Jiyong
Manufacture method in described self-conserving heat type concrete segment.Described self-conserving heat type concrete segment is by following weight parts component structure
The consolidated mixture become,
Described parts by weight of component be active material 7-35 part, foaming agent 0.05～1 part, bonding agent 1-10 part, retarder 2～
10 parts, gellant 0.5-3 part, mineralizer 0.5-3 part, raising rate regulator 0.01～0.06 part and levigate after slag
40-55 part.In each weight portion component materials above-mentioned constituting described self-conserving heat type concrete segment provided by the application, main material
Respectively account for total amount 40-55 part levigate after slag and account for total amount 7-35 part active material, so that described herein
Self-conserving heat type concrete segment can make full use of the tailings after ore dressing.The most both can reduce ore dressing tailings stock's land used is accounted for
Consumption, reduces and stacks environmental pollution, can provide cheap, economic and environment-friendly molding construction material for all kinds of architectural engineerings again,
The purpose of waste and old recycling is may also reach up on the premise of ensureing environmental friendliness.
In above-mentioned embodiment, in order to make other component in addition to slag on the premise of easier acquisition, can guarantee that again it
Fully play effect from the described self-conserving heat type concrete segment of manufacture, the manufacture work of postorder can also be facilitated simultaneously, described
Active material be the granularity that is made up of the following weight parts component mixture powder more than 200 mesh,
Described parts by weight of component is powder after the active lime of 2-10 part mixes with the silicon powder of the coal dust ash of 10-25 part or 5-15 part
Mill is the fine powder mixture material of more than 200 mesh；Described foaming agent is the metallic aluminium powder that granularity is more than 325 mesh, described gelling
Agent is Ludox；Described mineralizer is fine magnesium oxide micro-powder, and the granularity of described fine magnesium oxide micro-powder is 200 purposes；Described gets angry
Speed regulator is sodium carbonate or sodium hydroxide；Described retarder is natural gesso or the desulfurated plaster that granularity is more than 200 mesh
Powder；Described slag be granularity be more than the tailings after the vanadium titano-magnetite ore dressing of 200 mesh and/or through Water Quenching blast furnace slag,
Slag.To blast furnace slag, slag carries out Water Quenching can increase the reactivity of blast furnace slag, slag, beneficially foamed concrete
Block strength improves.And active material selects flyash or silicon powder to allocate into active lime, then use ball mill grinding,
Grinding fineness controls as more than 200 mesh, and now described active lime preferably uses calcined by rotary kiln active lime, the activity of Calx
Degree controls more than 330L/mol, to ensure that Calx has stronger reactivity.Equally, mineralizer selective oxidation magnesium micropowder,
Mainly fine magnesium oxide micro-powder can react with the active silica in active material flyash or silicon powder, generates gelatinous mass,
The convenient silk fabric time regulating foamed concrete, be conducive to getting angry and the coupling of bodying velocity, it is ensured that the foaming pore opening of formation
Suitable and uniformity, is conducive to increasing intensity simultaneously, has the raising utilizing product strength.Further, gellant selects silicon molten
Glue, is to mix and stir the viscosity of material owing to Ludox can increase, forms pore, simultaneously at steam pressure bar during beneficially aluminium powder is got angry
Under part, CaO and Ludox easily form Binder Materials, have the raising utilizing product strength, now, most preferably allocating into of Ludox
Amount controls 0.5%～3%.And retarder selects the natural gypsum or desulfurated plaster, the aquation condensation ripe to regulate portland cement
Time and active lime clear up setting time, preferably mate with the raising rate of aluminium powder, it is ensured that the pore matter of foamed concrete
Amount；Raising rate regulator selects sodium carbonate or sodium hydroxide, can regulate the basicity of concrete, promotes aluminium powder surface A l2O3
Dissolving, in aluminium powder, activated aluminum contacts with alkali liquor with water, just can get angry.
So, above-mentioned self-conserving heat type concrete segment just can use following step to carry out manufacturing,
A, use ball mill that schreyerite slag and/or blast furnace slag, slag are carried out levigate process；
B, select suitable active material, active material is compounded, use ball mill levigate；
C, by the slag after levigate and active material, foaming agent, bonding agent, retarder, raising rate regulator and gellant
Carry out dispensing in a ratio, be transported to mix homogeneously in mixer；
D, it is transported in foam box foam by the material mixed, and it is mixed to obtain foaming after maintenance, solidification, form removal
Solidifying soil；
E, foamed concrete is delivered to wire cutting machine cut into the foam concrete block semi-finished product of given size；
F, deliver to still kettle carries out supercharging maintenance by foam concrete block semi-finished product after obtain from humidity-preserving type concrete segment become
Product.
Now, after weighing material by said ratio requirement, first send in Forced Mixing equipment the dry blending process carrying out 1～3min,
Add a certain proportion of water the most again and carry out the wet mixing process of 1～2min, be then sent in the foam box of cuboid-type carry out sending out
Soak type；When foaming, within foamed time controls 10-20min, blowing temperature controls in the range of 40-55 DEG C；And
When foam concrete block semi-finished product deliver to carry out supercharging maintenance in still kettle, steam-cured treatment temperature controls: 180 DEG C～210
DEG C, the steam-cured time controls: 6h～10h, and steam-cured Stress control exists: 1.2MPa～1.5MPa.
Embodiment one
Component design is as follows:
| Material name | Fineness, mm | Proportioning, % |
| Mine tailings | ≤0.088 | 48 |
| Active lime | ≤0.088 | 6 |
| Desulfurization gypsum powder | ≤0.088 | 5 |
| Portland clinker | ≤0.088 | 4 |
| Fine magnesium oxide micro-powder | ≤0.044 | 1 |
| Ludox | 1 | |
| Metallic aluminium powder | ≤0.088 | 0.4 is additional |
| Flyash | ≤0.088 | 25 |
| Silicon powder | ≤0.088 | 10 |
| Sodium carbonate | ≤0.088 | 0.02% is additional |
Weigh various raw materials by above proportion speed, select Forced Mixing equipment, after mixing 4min, then add the water mixing of 60%
1min carries out pouring foaming molding, and the size becoming pattern block is 100 × 100 × 100.Form removal after molding 1 day, after form removal through
After natural curing in 1 day, entering still kettle and carry out steam-cured process, steam curing temperature controls: 200 DEG C, and the steam-cured time controls: 8h,
Steam-cured Stress control obtains foam concrete block finished product at 1.5MPa.Finished product is carried out detection and reaches block materials for wall requirement.
Embodiment two:
Component design is as follows:
| Material name | Fineness, mm | Proportioning, % |
| Water-quenched blast-furnace slag | ≤0.088 | 47 |
| Active lime | ≤0.088 | 5 |
| Desulfurization gypsum powder | ≤0.088 | 4 |
| Portland clinker | ≤0.088 | 5 |
| Fine magnesium oxide micro-powder | ≤0.044 | 1.5 |
| Ludox | 1.5 | |
| Metallic aluminium powder | ≤0.088 | 0.4 is additional |
| Flyash | ≤0.088 | 23 |
| Silicon powder | ≤0.088 | 13 |
| Sodium carbonate | ≤0.088 | 0.03% is additional |
Weigh various raw materials by above proportion speed, select Forced Mixing equipment, after mixing 4min, then add the water mixing of 60%
1min carries out pouring foaming molding, and the size becoming pattern block is 100 × 100 × 100.Form removal after molding 1 day, after form removal through
After natural curing in 1 day, entering still kettle and carry out steam-cured process, steam curing temperature controls: 195 DEG C, and the steam-cured time controls: 7h,
Steam-cured Stress control obtains foam concrete block finished product at 1.4MPa.Finished product is carried out detection and reaches materials for wall requirement.
Claims (10)
1. the self-conserving heat type concrete segment produced with industrial residue, it is characterised in that: described self-conserving heat type concrete
Building block is the consolidated mixture being made up of following weight parts component,
Described parts by weight of component be active material 7-35 part, foaming agent 0.05～1 part, bonding agent 1-10 part, retarder 2～
10 parts, gellant 0.5-3 part, mineralizer 0.5-3 part, raising rate regulator 0.01～0.06 part and levigate after slag
40-55 part.
The self-conserving heat type concrete segment that industrial residue the most according to claim 1 produces, it is characterised in that: described
Active material be the granularity that is made up of the following weight parts component mixture powder more than 200 mesh,
Described parts by weight of component is after the active lime of 2-10 part mixes with the silicon powder of the coal dust ash of 10-25 part or 5-15 part
Grinding is the fine powder mixture material of more than 200 mesh.
The self-conserving heat type concrete segment that industrial residue the most according to claim 1 produces, it is characterised in that: described
Foaming agent be metallic aluminium powder, the granularity of described metallic aluminium powder be more than 325 mesh；Described gellant is Ludox.
The self-conserving heat type concrete segment that industrial residue the most according to claim 3 produces, it is characterised in that: described
Mineralizer be fine magnesium oxide micro-powder, the granularity of described fine magnesium oxide micro-powder is 200 purposes；Described raising rate regulator is carbonic acid
Sodium or sodium hydroxide.
The self-conserving heat type concrete segment that industrial residue the most according to claim 1 produces, it is characterised in that: described
Bonding agent be the Portland clinker that granularity is more than 200 mesh.
The self-conserving heat type concrete segment that industrial residue the most according to claim 1 produces, it is characterised in that: described
Retarder be natural gesso or the desulfurization gypsum powder that granularity is more than 200 mesh.
The self-conserving heat type concrete segment that industrial residue the most according to claim 1 produces, it is characterised in that: described
Slag be that granularity is more than the tailings after the vanadium titano-magnetite ore dressing of 200 mesh and/or through the blast furnace slag of Water Quenching, slag.
8. for a manufacture method for self-conserving heat type concrete segment described in claim 1,2,3,4,5,6 or 7, its
It is characterised by: comprise the following steps,
A, use ball mill that schreyerite slag and/or blast furnace slag, slag are carried out levigate process；
B, select suitable active material, active material is compounded, use ball mill levigate；
C, by the slag after levigate and active material, foaming agent, bonding agent, retarder, raising rate regulator and gellant
Carry out dispensing in a ratio, be transported to mix homogeneously in mixer；
D, it is transported in foam box foam by the material mixed, and it is mixed to obtain foaming after maintenance, solidification, form removal
Solidifying soil；
E, foamed concrete is delivered to wire cutting machine cut into the foam concrete block semi-finished product of given size；
F, deliver to still kettle carries out supercharging maintenance by foam concrete block semi-finished product after obtain from humidity-preserving type concrete segment become
Product.
Manufacture method the most according to claim 8, it is characterised in that: after weighing material by said ratio requirement, first send
Enter the dry blending process carrying out 1～3min in Forced Mixing equipment, add a certain proportion of water the most again and carry out the wet mixing of 1～2min
Process, be then sent in the foam box of cuboid-type carry out foaming；When foaming, foamed time controls 10-20min,
Blowing temperature controls in the range of 40-55 DEG C.
Manufacture method the most according to claim 8, it is characterised in that: it is sent to foam concrete block semi-finished product steam
Pressure still carry out steam-cured process time, steam-cured treatment temperature controls between 180 DEG C～210 DEG C, the steam-cured time control 6h～10h it
Between, steam-cured Stress control is between 1.2MPa～1.5MPa.
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| CN201610230076.2A CN105837248A (en) | 2016-04-14 | 2016-04-14 | Self heat-insulation concrete block produced by industrial residue and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610230076.2A CN105837248A (en) | 2016-04-14 | 2016-04-14 | Self heat-insulation concrete block produced by industrial residue and manufacturing method thereof |
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ID=56597491
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Cited By (5)
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| CN106365683A (en) * | 2016-08-26 | 2017-02-01 | 北海金匠水泥制品有限责任公司 | Foamed cement brick |
| CN107311589A (en) * | 2017-07-19 | 2017-11-03 | 合肥广民建材有限公司 | A kind of pressure-resistant antidetonation foam concrete block and preparation method thereof |
| CN108546151A (en) * | 2018-06-29 | 2018-09-18 | 攀钢冶金材料有限责任公司 | A kind of non-evaporating foster type foaming wall body materials of lightweight and preparation method thereof |
| CN109279861A (en) * | 2018-11-26 | 2019-01-29 | 李铭潇 | A kind of self-compaction composite concrete and preparation method thereof, concrete wall brick |
| CN109422514A (en) * | 2017-08-29 | 2019-03-05 | 新特能源股份有限公司 | Air-entrained concrete building block and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106365683A (en) * | 2016-08-26 | 2017-02-01 | 北海金匠水泥制品有限责任公司 | Foamed cement brick |
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| CN109422514A (en) * | 2017-08-29 | 2019-03-05 | 新特能源股份有限公司 | Air-entrained concrete building block and preparation method thereof |
| CN108546151A (en) * | 2018-06-29 | 2018-09-18 | 攀钢冶金材料有限责任公司 | A kind of non-evaporating foster type foaming wall body materials of lightweight and preparation method thereof |
| CN108546151B (en) * | 2018-06-29 | 2021-04-27 | 攀钢冶金材料有限责任公司 | Light steam-curing-free foaming wall material and preparation method thereof |
| CN109279861A (en) * | 2018-11-26 | 2019-01-29 | 李铭潇 | A kind of self-compaction composite concrete and preparation method thereof, concrete wall brick |
| CN109279861B (en) * | 2018-11-26 | 2021-06-04 | 中国建筑第七工程局有限公司 | Self-compacting composite concrete, preparation method thereof and concrete wall brick |
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Application publication date: 20160810 |