CN106348706B - Inhibit the autoclave plaster building block and preparation method of scum - Google Patents

Inhibit the autoclave plaster building block and preparation method of scum Download PDF

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Publication number
CN106348706B
CN106348706B CN201610693066.2A CN201610693066A CN106348706B CN 106348706 B CN106348706 B CN 106348706B CN 201610693066 A CN201610693066 A CN 201610693066A CN 106348706 B CN106348706 B CN 106348706B
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China
Prior art keywords
scum
ardealite
building block
steam
exciting agent
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CN201610693066.2A
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CN106348706A (en
Inventor
韩凯锋
吴根水
孙梦雅
赵勇
薛松
姚怀洲
王涛
王军
王国防
盛冬
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In Anhui New Building Materials Technology Co Ltd Red Quartet
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In Anhui New Building Materials Technology Co Ltd Red Quartet
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Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/14Compositions 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
    • C04B28/142Compositions 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 containing synthetic or waste calcium sulfate cements
    • C04B28/143Compositions 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 containing synthetic or waste calcium sulfate cements the synthetic calcium sulfate being phosphogypsum
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20Resistance against chemical, physical or biological attack
    • C04B2111/2023Resistance against alkali-aggregate reaction
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength

Abstract

The present invention provides a kind of autoclave plaster building block and preparation method for inhibiting scum, is related to building material technical field.It includes following raw material: ardealite that the present invention, which inhibits the autoclave plaster building block of scum, carbide slag, slag powders, aggregate, exciting agent, the present invention inhibits the autoclave plaster building block of scum using the ardealite of high additive as raw material, and carbide slag, slag powders, cooperate the use of exciting agent, especially silicate exciting agent, so that autoclave plaster building block end properties are good, it is not easy scum, compression strength is high, it is moisture resistance, coefficient of softing is high, the present invention inhibits the autoclave plaster building block of scum that can be used as exterior wall, intensity is high, function admirable, reduce production cost, improve the utilization rate of ardealite, soil caused by the accumulation of a large amount of ardealites is reduced to occupy and environmental pollution.

Description

Inhibit the autoclave plaster building block and preparation method of scum
Technical field
The present invention relates to building material technical fields, and in particular to a kind of autoclave plaster building block for inhibiting scum to inhibit scum And preparation method.
Background technique
Ardealite is the industry byproduct of Wet-process phosphoric acid (WPPA) in phosphorus chemical industry, and main component is dihydrate gypsum (Ca2SO4·2H2O), dihydrate gypsum is 85%~95% in usual ardealite.Comprehensively utilize ardealite Sulphuric acid co-producing cement skill For art due to energy consumption height, economy is poor, thus lacks promotional value.A large amount of ardealites are stored up as solid waste, add up heap The ardealite deposited alreadys exceed 200,000,000 tons, not only occupies a large amount of soils, also causes environmental pollution.Accelerate ardealite recycling benefit With, it has also become phosphorus chemical industry sustainable development urgent problem.
The study found that ardealite can be used as the raw material for preparing autoclave plaster building block, autoclave plaster building block is mainly by lime, change Gypsum and aggregate are learned, is made through techniques such as embryo material preparation, compression moulding, high-efficiency steam maintenances.Chemical gypsum include ardealite, Desulfurized gypsum and the natural gypsum.
In the prior art, it since desulfurized gypsum containing water-soluble salt is more, is produced with the building gypsum plaster of desulphurization gypsum calcination Gypsum block, be easy to be precipitated a large amount of whiteness, that is, people are commonly called as scum, it seriously affected product use and Quality limits application of the desulfurized gypsum in gypsum brick.Currently, preferable not yet both at home and abroad inhibit desulfurization gypsum block general The processing method of frost is primarily now to be cleaned out the scum on surface using artificial method, but this method is not from basic It is upper to solve the problems, such as desulfurization gypsum block scum.
Summary of the invention
(1) the technical issues of solving
In view of the shortcomings of the prior art, the present invention provides a kind of autoclave plaster building block and preparation method for inhibiting scum, solve When autoclave plaster building block scum and ardealite are used to prepare autoclave plaster building block in the prior art, ardealite addition content is high The technical issues of.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs:
A kind of autoclave plaster building block inhibiting scum, the autoclave plaster building block for inhibiting scum includes following weight percent The raw material of ratio: ardealite 50-75%, carbide slag 8-20%, slag powders 5-18%, aggregate 2-15%, exciting agent 7-15%.
Preferably, the autoclave plaster building block for inhibiting scum includes the raw material of following weight percent: ardealite 55- 70%, carbide slag 10-18%, slag powders 7-15%, aggregate 3-12%, exciting agent 8-13%.
Preferably, the autoclave plaster building block for inhibiting scum includes the raw material of following weight percent: ardealite 65%, Carbide slag 12%, slag powders 10%, aggregate 5%, exciting agent 8%.
Preferably, the exciting agent is alkali-activator, sulphate activation agent, carbonate exciting agent or silicate excitation One of agent.
Preferably, the exciting agent is silicate exciting agent.
Preferably, the silicate exciting agent the preparation method comprises the following steps: by the silicon ash and the sulfate liquor simultaneously plus Enter blender, be mixed evenly, mixing time is 4-7 minutes, obtains mixed material, then the mixed material is sent into and is cleared up Storehouse, storage resolution 1-2 hours, control moisture are 6-9%.
A kind of preparation method for the autoclave plaster building block inhibiting scum, comprising the following steps:
S1, choose just go out workshop fresh ardealite, fresh ardealite is placed in low-pressure steam carry out it is steam-cured pre- Processing, constant temperature and pressure is steam-cured, and steam curing temperature is 110-130 DEG C, and the steam-cured time is 12-18 hours;
S2, weighed according to raw material weight percentage the pretreated ardealite of step S1 and raw material calcium carbide slag, slag powders, Aggregate and exciting agent;
S3, ardealite, carbide slag, aggregate and exciting agent uniformly measure and are sent into feed hopper through belt, then will given Blender is added simultaneously in material and slag powders in hopper, is mixed evenly, and mixing time is 3-10 minutes;
S4, the material for stirring evenly step S3 are sent into disintegration cabin, and storage resolution 2-5 hours is subsequently sent to mixed powder machine, then It is sent into the compression moulding of Full Automatic Liquid brick machine, by 1.0-1.2MPa saturated vapor, 100-180 DEG C of steam-cured, constant pressure 4-9 hours system Obtain finished product.
Preferably, fresh ardealite described in step S1, which is placed in low-pressure steam, carries out steam-cured pretreatment, and steam curing temperature is 115-125℃。
Preferably, it is 14%-16% that moisture content is controlled in whipping process described in step S3.
Preferably, material described in step S4 be sent into Full Automatic Liquid brick machine compacting, by 1.0-1.1MPa saturated vapor, 110-150 DEG C steam-cured.
(3) beneficial effect
The present invention provides a kind of autoclave plaster building block and preparation method for inhibiting scum, and advantage exists compared with prior art In:
The present invention inhibits the autoclave plaster building block of scum using the ardealite of high additive as raw material and carbide slag, mine Ground-slag cooperates the use of exciting agent, especially silicate exciting agent, so that autoclave plaster building block end properties are good, is not easy scum, Compression strength is high, moisture resistance, coefficient of softing is high, and the present invention inhibits the autoclave plaster building block of scum that can be used as exterior wall, and intensity is high, performance It is excellent;
The present invention inhibits in the method preparation method of the autoclave plaster building block of scum, and raw material ardealite is passed through low-pressure steam The precipitating and volatilization of harmful components in ardealite are accelerated in steam-cured pretreatment, and on the one hand reducing the vapor-pressing plaster brick later period may produce Raw harm, while the secondary pollution in ardealite treatment process is decreased, on the other hand, by pretreated ardealite Addition content be improved, the addition content of ardealite is up to 65%, and be conducive to ardealite rapidly depletes and integrate use, cooperation New exciting agent and other compositions, autoclave plaster building block product obtained it is functional, improve the utilization rate of ardealite, While ensureing autoclave plaster compression strength of building block, the utilization rate of solid waste is improved to the greatest extent, improves work Problem of environmental pollution caused by industry solid waste is accumulated, reduces production cost, reduces environmental pollution.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.
Fig. 1 is the embodiment of the present invention 8, embodiment 9, embodiment 10 add the compression strength pair that product is made in different exciting agents Than figure.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below with reference to the embodiment of the present invention pair Technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is a part of the invention Embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making wound Every other embodiment obtained under the premise of the property made labour, shall fall within the protection scope of the present invention.
The main component and effect of slag powders in embodiment:
Main chemical compositions: CaO, SiO2、AL2O3Deng.
Main function: slag powders are a kind of potential hydraulic cementitious material, simultaneously a kind of good aggregates of cementitious material.
In embodiment, embodiment 7, embodiment 8 are identical with the experiment condition of embodiment 9, different using single argument exciting agent, It observes exciting agent difference and inhibits the autoclave plaster block performance bring of scum to influence to the present invention.
Embodiment 1:
The autoclave plaster building block of the present embodiment inhibition scum includes the raw material of following weight percent: ardealite 50%, electricity Rock ballast 20%, slag powders 5%, aggregate 15%, alkali-activator 10%.
Wherein the preparation method of alkali-activator is existing well-known technique.
According to the present embodiment raw material weight percentage, inhibit the preparation method of the autoclave plaster building block of scum, including following Step:
S1, choose just go out workshop fresh ardealite, fresh ardealite is placed in low-pressure steam carry out it is steam-cured pre- Processing, constant temperature and pressure is steam-cured, and steam curing temperature is 110 DEG C, and the steam-cured time is 12 hours;
S2, weighed according to raw material weight percentage the pretreated ardealite of step S1 and raw material calcium carbide slag, slag powders, Aggregate and exciting agent;
S3, ardealite, carbide slag, aggregate and exciting agent uniformly measure and are sent into feed hopper through belt, then will given Blender is added simultaneously in material and slag powders in hopper, is mixed evenly, and mixing time is 3 minutes;
S4, the material for stirring evenly step S3 are sent into disintegration cabin, and storage resolution 2 hours is subsequently sent to mixed powder machine, then send Enter Full Automatic Liquid brick machine compression moulding, by 1.0MPa saturated vapor, 100 DEG C of steam-cured, 4 hours finished products of constant pressure.
Embodiment 2:
The autoclave plaster building block of the present embodiment inhibition scum includes the raw material of following weight percent: ardealite 55%, electricity Rock ballast 8%, slag powders 18%, aggregate 12%, sulphate activation agent 7%.
Wherein the preparation method of sulphate activation agent is existing well-known technique.
According to the present embodiment raw material weight percentage, inhibit the preparation method of the autoclave plaster building block of scum, including following Step:
S1, choose just go out workshop fresh ardealite, fresh ardealite is placed in low-pressure steam carry out it is steam-cured pre- Processing, constant temperature and pressure is steam-cured, and steam curing temperature is 130 DEG C, and the steam-cured time is 18 hours;
S2, weighed according to raw material weight percentage the pretreated ardealite of step S1 and raw material calcium carbide slag, slag powders, Aggregate and exciting agent;
S3, ardealite, carbide slag, aggregate and exciting agent uniformly measure and are sent into feed hopper through belt, then will given Blender is added simultaneously in material and slag powders in hopper, is mixed evenly, and mixing time is 10 minutes;
S4, the material for stirring evenly step S3 are sent into disintegration cabin, and storage resolution 5 hours is subsequently sent to mixed powder machine, then send Enter Full Automatic Liquid brick machine compression moulding, by 1.2MPa saturated vapor, 180 DEG C of steam-cured, 9 hours finished products of constant pressure.
Embodiment 3:
The autoclave plaster building block of the present embodiment inhibition scum includes the raw material of following weight percent: ardealite 70%, electricity Rock ballast 10%, slag powders 7%, aggregate 3%, carbonate exciting agent 10%.
Wherein the preparation method of carbonate exciting agent is existing well-known technique.
According to the present embodiment raw material weight percentage, inhibit the preparation method of the autoclave plaster building block of scum, including following Step:
S1, choose just go out workshop fresh ardealite, fresh ardealite is placed in low-pressure steam carry out it is steam-cured pre- Processing, constant temperature and pressure is steam-cured, and steam curing temperature is 120 DEG C, and the steam-cured time is 15 hours;
S2, weighed according to raw material weight percentage the pretreated ardealite of step S1 and raw material calcium carbide slag, slag powders, Aggregate and exciting agent;
S3, ardealite, carbide slag, aggregate and exciting agent uniformly measure and are sent into feed hopper through belt, then will given Blender is added simultaneously in material and slag powders in hopper, is mixed evenly, and mixing time is 6 minutes;
S4, the material for stirring evenly step S3 are sent into disintegration cabin, and storage resolution 3 hours is subsequently sent to mixed powder machine, then send Enter Full Automatic Liquid brick machine compression moulding, by 1.1MPa saturated vapor, 140 DEG C of steam-cured, 6 hours finished products of constant pressure.
Embodiment 4:
The autoclave plaster building block of the present embodiment inhibition scum includes the raw material of following weight percent: ardealite 75%, electricity Rock ballast 8%, slag powders 8%, aggregate 2%, silicate exciting agent 7%.
Wherein silicate exciting agent the preparation method comprises the following steps: stirring is added in the silicon ash and the sulfate liquor simultaneously Machine is mixed evenly, and mixing time is 4 minutes, obtains mixed material, then the mixed material is sent into disintegration cabin, storage Resolution 1 hour, control moisture are 6%.
According to the present embodiment raw material weight percentage, inhibit the preparation method of the autoclave plaster building block of scum, including following Step:
S1, choose just go out workshop fresh ardealite, fresh ardealite is placed in low-pressure steam carry out it is steam-cured pre- Processing, constant temperature and pressure is steam-cured, and steam curing temperature is 125 DEG C, and the steam-cured time is 13 hours;
S2, weighed according to raw material weight percentage the pretreated ardealite of step S1 and raw material calcium carbide slag, slag powders, Aggregate and exciting agent;
S3, ardealite, carbide slag, aggregate and exciting agent uniformly measure and are sent into feed hopper through belt, then will given Blender is added simultaneously in material and slag powders in hopper, is mixed evenly, and mixing time is 5 minutes;
S4, the material for stirring evenly step S3 are sent into disintegration cabin, and storage resolution 3 hours is subsequently sent to mixed powder machine, then send Enter Full Automatic Liquid brick machine compression moulding, by 1.0MPa saturated vapor, 130 DEG C of steam-cured, 5 hours finished products of constant pressure.
Embodiment 5:
The autoclave plaster building block of the present embodiment inhibition scum includes the raw material of following weight percent: ardealite 55%, electricity Rock ballast 18%, slag powders 7%, aggregate 7%, silicate exciting agent 13%.
Wherein silicate exciting agent the preparation method comprises the following steps: stirring is added in the silicon ash and the sulfate liquor simultaneously Machine is mixed evenly, and mixing time is 5 minutes, obtains mixed material, then the mixed material is sent into disintegration cabin, storage Resolution 1.5 hours, control moisture are 7%.
According to the present embodiment raw material weight percentage, inhibit the preparation method of the autoclave plaster building block of scum, including following Step:
S1, choose just go out workshop fresh ardealite, fresh ardealite is placed in low-pressure steam carry out it is steam-cured pre- Processing, constant temperature and pressure is steam-cured, and steam curing temperature is 130 DEG C, and the steam-cured time is 16 hours;
S2, weighed according to raw material weight percentage the pretreated ardealite of step S1 and raw material calcium carbide slag, slag powders, Aggregate and exciting agent;
S3, ardealite, carbide slag, aggregate and exciting agent uniformly measure and are sent into feed hopper through belt, then will given Blender is added simultaneously in material and slag powders in hopper, is mixed evenly, and mixing time is 8 minutes;
S4, the material for stirring evenly step S3 are sent into disintegration cabin, and storage resolution 4 hours is subsequently sent to mixed powder machine, then send Enter Full Automatic Liquid brick machine compression moulding, by 1.1MPa saturated vapor, 160 DEG C of steam-cured, 7 hours finished products of constant pressure.
Embodiment 6:
The autoclave plaster building block of the present embodiment inhibition scum includes the raw material of following weight percent: ardealite 52%, electricity Rock ballast 10%, slag powders 18%, aggregate 10%, silicate exciting agent 10%.
Wherein silicate exciting agent the preparation method comprises the following steps: stirring is added in the silicon ash and the sulfate liquor simultaneously Machine is mixed evenly, and mixing time is 6 minutes, obtains mixed material, then the mixed material is sent into disintegration cabin, storage Resolution 2 hours, control moisture are 8%.
According to the present embodiment raw material weight percentage, inhibit the preparation method of the autoclave plaster building block of scum, including following Step:
S1, choose just go out workshop fresh ardealite, fresh ardealite is placed in low-pressure steam carry out it is steam-cured pre- Processing, constant temperature and pressure is steam-cured, and steam curing temperature is 128 DEG C, and the steam-cured time is 17 hours;
S2, weighed according to raw material weight percentage the pretreated ardealite of step S1 and raw material calcium carbide slag, slag powders, Aggregate and exciting agent;
S3, ardealite, carbide slag, aggregate and exciting agent uniformly measure and are sent into feed hopper through belt, then will given Blender is added simultaneously in material and slag powders in hopper, is mixed evenly, and mixing time is 9 minutes;
S4, the material for stirring evenly step S3 are sent into disintegration cabin, and storage resolution 5 hours is subsequently sent to mixed powder machine, then send Enter Full Automatic Liquid brick machine compression moulding, by 1.2MPa saturated vapor, 170 DEG C of steam-cured, 8 hours finished products of constant pressure.
Embodiment 7:
The autoclave plaster building block of the present embodiment inhibition scum includes the raw material of following weight percent: ardealite 65%, electricity Rock ballast 12%, slag powders 10%, aggregate 5%, silicate exciting agent 8%.
Wherein silicate exciting agent the preparation method comprises the following steps: stirring is added in the silicon ash and the sulfate liquor simultaneously Machine is mixed evenly, and mixing time is 5 minutes, obtains mixed material, then the mixed material is sent into disintegration cabin, storage Resolution 1 hour, control moisture are 8%.
According to the present embodiment raw material weight percentage, inhibit the preparation method of the autoclave plaster building block of scum, including following Step:
S1, choose just go out workshop fresh ardealite, fresh ardealite is placed in low-pressure steam carry out it is steam-cured pre- Processing, constant temperature and pressure is steam-cured, and steam curing temperature is 120 DEG C, and the steam-cured time is 15 hours;
S2, weighed according to raw material weight percentage the pretreated ardealite of step S1 and raw material calcium carbide slag, slag powders, Aggregate and exciting agent;
S3, ardealite, carbide slag, aggregate and exciting agent uniformly measure and are sent into feed hopper through belt, then will given Blender is added simultaneously in material and slag powders in hopper, is mixed evenly, and mixing time is 6 minutes;
S4, the material for stirring evenly step S3 are sent into disintegration cabin, and storage resolution 4 hours is subsequently sent to mixed powder machine, then send Enter Full Automatic Liquid brick machine compression moulding, by 1.0MPa saturated vapor, 130 DEG C of steam-cured, 6 hours finished products of constant pressure.
Embodiment 8:
The autoclave plaster building block of the present embodiment inhibition scum includes the raw material of following weight percent: ardealite 65%, electricity Rock ballast 12%, slag powders 10%, aggregate 5%, carbonate exciting agent 8%.
Wherein the preparation method of carbonate exciting agent is well-known technique.
According to the present embodiment raw material weight percentage, inhibit the preparation method of the autoclave plaster building block of scum, including following Step:
S1, choose just go out workshop fresh ardealite, fresh ardealite is placed in low-pressure steam carry out it is steam-cured pre- Processing, constant temperature and pressure is steam-cured, and steam curing temperature is 120 DEG C, and the steam-cured time is 15 hours;
S2, weighed according to raw material weight percentage the pretreated ardealite of step S1 and raw material calcium carbide slag, slag powders, Aggregate and exciting agent;
S3, ardealite, carbide slag, aggregate and exciting agent uniformly measure and are sent into feed hopper through belt, then will given Blender is added simultaneously in material and slag powders in hopper, is mixed evenly, and mixing time is 6 minutes;
S4, the material for stirring evenly step S3 are sent into disintegration cabin, and storage resolution 4 hours is subsequently sent to mixed powder machine, then send Enter Full Automatic Liquid brick machine compression moulding, by 1.0MPa saturated vapor, 130 DEG C of steam-cured, 6 hours finished products of constant pressure.
Embodiment 9:
The autoclave plaster building block of the present embodiment inhibition scum includes the raw material of following weight percent: ardealite 65%, electricity Rock ballast 12%, slag powders 10%, aggregate 5%, sulphate activation agent 8%.
Wherein the preparation method of sulphate activation agent is well-known technique.
According to the present embodiment raw material weight percentage, inhibit the preparation method of the autoclave plaster building block of scum, including following Step:
S1, choose just go out workshop fresh ardealite, fresh ardealite is placed in low-pressure steam carry out it is steam-cured pre- Processing, constant temperature and pressure is steam-cured, and steam curing temperature is 120 DEG C, and the steam-cured time is 15 hours;
S2, weighed according to raw material weight percentage the pretreated ardealite of step S1 and raw material calcium carbide slag, slag powders, Aggregate and exciting agent;
S3, ardealite, carbide slag, aggregate and exciting agent uniformly measure and are sent into feed hopper through belt, then will given Blender is added simultaneously in material and slag powders in hopper, is mixed evenly, and mixing time is 6 minutes;
S4, the material for stirring evenly step S3 are sent into disintegration cabin, and storage resolution 4 hours is subsequently sent to mixed powder machine, then send Enter Full Automatic Liquid brick machine compression moulding, by 1.0MPa saturated vapor, 130 DEG C of steam-cured, 6 hours finished products of constant pressure.
Silicates exciting agent of the present invention, the silicate exciting agent will not cause plastering scum phenomenon, original therein Reason are as follows:
Contain alkali metal in ardealite: the impurity such as sodium, magnesium, iron, aluminium, alkali metal ion is with carbonate, sulfate, phosphate It is formed after saturate along hardenite pore migration to surface, moisture steam pressure in Surface Crystallization.
Solves the technical problem that product is easy scum.
Test result is as follows for product performance index:
One, the autoclave plaster building block finished product of scum will be inhibited under equal conditions to conserve made of different embodiments of the invention After one month, its compression strength, flexural strength and water absorption rate, test result such as table 1 are tested respectively.
Inhibit the autoclave plaster building block end properties index of scum made of the different embodiments of table 1
Finished product Water absorption rate/% Flexural strength/MPa Compression strength/MPa
Embodiment 1 13.89 2.76 11.23
Embodiment 2 12.24 1.98 10.03
Embodiment 3 14.13 2.98 12.56
Embodiment 4 13.03 2.11 10.23
Embodiment 5 15.06 3.16 13.86
Embodiment 6 14.99 2.99 13.56
Embodiment 7 15.21 3.89 16.6
Embodiment 8 13.79 2.13 10.42
Embodiment 9 14.13 2.98 12.56
By the data overall trend in table 1, in conjunction with the formula and preparation condition of each embodiment, it can be seen that when steam-cured When temperature is between 160 DEG C -180 DEG C, the compression strength of the autoclave plaster building block finished product of scum is inhibited to decline, under flexural strength Drop, water absorption rate enhancing inhibit the items of the autoclave plaster building block finished product of scum when steam curing temperature is between 110 DEG C -140 DEG C Performance indicator is relatively preferable.
In conclusion the present invention inhibits the autoclave plaster building block of scum using the ardealite of high additive as raw material, and Carbide slag, slag powders cooperate the use of exciting agent, especially silicate exciting agent, so that autoclave plaster building block end properties are good, It is not easy scum, compression strength is high, moisture resistance, coefficient of softing is high, and the present invention inhibits the autoclave plaster building block of scum that can be used as exterior wall, by force Degree is high, function admirable;
The present invention inhibits in the method preparation method of the autoclave plaster building block of scum, and raw material ardealite is passed through low-pressure steam The precipitating and volatilization of harmful components in ardealite are accelerated in steam-cured pretreatment, and on the one hand reducing the vapor-pressing plaster brick later period may produce Raw harm, while the secondary pollution in ardealite treatment process is decreased, on the other hand, by pretreated ardealite Addition content be improved, the addition content of ardealite is up to 65%, and be conducive to ardealite rapidly depletes and integrate use, cooperation New exciting agent and other compositions, autoclave plaster building block product obtained it is functional, improve the utilization rate of ardealite, While ensureing autoclave plaster compression strength of building block, the utilization rate of solid waste is improved to the greatest extent, improves work Problem of environmental pollution caused by industry solid waste is accumulated, reduces production cost, reduces environmental pollution.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that There is also other identical elements in process, method, article or equipment including the element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although with reference to the foregoing embodiments Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation Technical solution documented by example is modified or equivalent replacement of some of the technical features;And these modification or Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.

Claims (5)

1. it is a kind of inhibit scum autoclave plaster building block, which is characterized in that it is described inhibit scum autoclave plaster building block include with The raw material of lower weight percent: ardealite 50-75%, carbide slag 8-20%, slag powders 5-18%, aggregate 2-15%, exciting agent 7-15%;The exciting agent is silicate exciting agent;
The preparation method of the autoclave plaster building block of the inhibition scum, comprising the following steps:
S1, the fresh ardealite for just going out workshop is chosen, fresh ardealite is placed in low-pressure steam and carries out steam-cured pretreatment, Constant temperature and pressure is steam-cured, and steam curing temperature is 110-130 DEG C, and the steam-cured time is 12-18 hours;
S2, the pretreated ardealite of step S1 and raw material calcium carbide slag, slag powders, aggregate are weighed according to raw material weight percentage And exciting agent;
S3, it ardealite, carbide slag, aggregate and exciting agent is subjected to uniformly metering is sent into feed hopper through belt, then by feed hopper Blender is added simultaneously in interior material and slag powders, is mixed evenly, and mixing time is 3-10 minutes;In the whipping process Control moisture content is 14%-16%;
S4, the material for stirring evenly step S3 are sent into disintegration cabin, and storage resolution 2-5 hours is subsequently sent to mixed powder machine, is re-fed into Full Automatic Liquid brick machine compression moulding, by 1.0-1.1MPa saturated vapor, 110-150 DEG C it is steam-cured, be made within constant pressure 4-9 hours Product.
2. the autoclave plaster building block according to claim 1 for inhibiting scum, which is characterized in that the steam pressure for inhibiting scum Gypsum block includes the raw material of following weight percent: ardealite 55-70%, carbide slag 10-18%, slag powders 7-15%, bone Expect 3-12%, exciting agent 8-13%.
3. the autoclave plaster building block according to claim 1 or 2 for inhibiting scum, which is characterized in that the inhibition scum Autoclave plaster building block includes the raw material of following weight percent: ardealite 65%, carbide slag 12%, slag powders 10%, aggregate 5%, exciting agent 8%.
4. the autoclave plaster building block according to claim 1 for inhibiting scum, which is characterized in that the silicate exciting agent The preparation method comprises the following steps: blender is added simultaneously in silicon ash and sulfate liquor, it is mixed evenly, mixing time is 4-7 minutes, is obtained It is sent into disintegration cabin, storage resolution 1-2 hours to mixed material, then by the mixed material, control moisture is 6-9%.
5. the autoclave plaster building block according to claim 1 for inhibiting scum, it is characterised in that: fresh phosphorus stone described in step S1 Cream, which is placed in low-pressure steam, carries out steam-cured pretreatment, and steam curing temperature is 115-125 DEG C.
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1528694A (en) * 2003-09-30 2004-09-15 武汉理工大学 Anhydrite agglutinate antifrost method and antifrost anhydrite agglutinate thereof
CN1915894A (en) * 2006-08-25 2007-02-21 华中科技大学 Compound bricks of phosphogypsum, and producing method
CN101492275A (en) * 2009-03-06 2009-07-29 瓮福(集团)有限责任公司 Method for producing high-admixture water resistant phosphogypsum product
CN101684675A (en) * 2009-08-19 2010-03-31 四川宏达股份有限公司 Autoclaved phosphogypsum brick and method for preparing same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1528694A (en) * 2003-09-30 2004-09-15 武汉理工大学 Anhydrite agglutinate antifrost method and antifrost anhydrite agglutinate thereof
CN1915894A (en) * 2006-08-25 2007-02-21 华中科技大学 Compound bricks of phosphogypsum, and producing method
CN101492275A (en) * 2009-03-06 2009-07-29 瓮福(集团)有限责任公司 Method for producing high-admixture water resistant phosphogypsum product
CN101684675A (en) * 2009-08-19 2010-03-31 四川宏达股份有限公司 Autoclaved phosphogypsum brick and method for preparing same

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