CN106673525A - Method for preparing lime sand brick by utilizing green slurrying mud and prepared lime sand brick - Google Patents
Method for preparing lime sand brick by utilizing green slurrying mud and prepared lime sand brick Download PDFInfo
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- CN106673525A CN106673525A CN201611260964.5A CN201611260964A CN106673525A CN 106673525 A CN106673525 A CN 106673525A CN 201611260964 A CN201611260964 A CN 201611260964A CN 106673525 A CN106673525 A CN 106673525A
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- Prior art keywords
- slurrying
- green mud
- dinas brickes
- utilization
- weight proportion
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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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C1/00—Building elements of block or other shape for the construction of parts of buildings
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00017—Aspects relating to the protection of the environment
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Civil Engineering (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a method for preparing a lime sand brick by utilizing green slurrying mud and a prepared lime sand brick. The method comprises the following steps: taking the green slurrying mud, sand, hearth ash and cement at a certain weight ratio as raw materials; adding the raw materials into a stirring device for stirring and mixing; gradually adding basic condensate water into the stirring device and then stirring till forming slurry; standing the slurry for a period of time and digesting, thereby acquiring a to-be-used mixture; adding the to-be-used mixture into a mold, vibrating and removing foams, thereby forming a uniform blank; standing the blank for a period of time and then de-molding, thereby acquiring a sample; and maintaining the sample at 20-50 DEG C, thereby acquiring an end product of the lime sand brick. According to the invention, the green slurrying mud can be effectively treated, the produced lime sand brick has excellent performances, the compressive strength is high, the stability is high, the production cost is low and the environment-friendly and affordable dual effect is achieved.
Description
Technical field
The present invention relates to the reutilization technology field of pulp and paper industrial sludges, more particularly to one kind ash is prepared using slurrying green mud
The method of sanded brick and its Dinas brickes of preparation.
Background technology
Paper industry as light industry important component, be also one of pillar industry of country, in country, society
Played an important role with economic life.As scientific and technological progress develops, paper industry is in recent years in energy-saving and emission-reduction, cleaning life
Produce and environmental protection aspect achieves larger progress, but still compared using the problem of aspect in solid waste resource recovery
It is prominent.
Pulping and paper-making produces a large amount of solid slag green muds in alkali collection causticization process, and its Main Ingredients and Appearance is CaCO3、SiO2、
Organic matter, a small amount of alkali and iron content inorganic matter.Due to containing a small amount of alkali in green mud so that the method processed it is still industry so far
Problem.At present, 80% it is still traditional land-fill method in domestic industry, but this landfill method can not only take the soil of preciousness
Resource, it is also possible to serious pollution can be caused to body of groundwater, environment.Also needing to set stockyard in factory simultaneously is used to transport, and deposits
In the pollution stacked and carrying is caused, and have a strong impact on clean manufacturing.Therefore, seek other method and recycle green mud to have
Significance.During green mud applied into the construction materials such as concrete, mortar, fragment of brick, the mesh that green mud is recycled can have both been realized
, it is also possible to reduce the production cost and carrying capacity of environment of construction material.For example, Some Enterprises attempt to be sent cement plant to make water
Mud send brickmaking factory to make hollow brick and Dinas brickes etc., but effect is undesirable, as long as its treating capacity of tracing it to its cause it is small and
The compression strength of its brick product for preparing is poor, stability is not good, easily weathering and its cost of manufacture is very high.
The content of the invention
For the above mentioned problem of prior art, the present invention provide a kind of method that utilization slurrying green mud prepares Dinas brickes and its
The Dinas brickes of preparation, the method not only can effectively process slurrying green mud, and the Dinas brickes function admirable produced, and it resists
Compressive Strength is high, stability is high and low production cost, reaches environmentally friendly and economic and practical double effectses.
In order to solve the above-mentioned technical problem, the present invention provides a kind of method that utilization slurrying green mud prepares Dinas brickes, the party
Method is comprised the following steps：
(1) raw material of row weight proportion is removed：Slurrying green mud：40~50%, sand material：5~7%, furnace bottom ash：4~7%,
Cement：35~45%；
(2) raw material of the weight proportion described in step (1) is added in agitating device and stirs mixing；
(3) progressively to alkaline condensed water is added in agitating device, continue to stir to forming slurry, the alkaline condensed water with
The weight proportion of the raw material of the weight proportion described in step (1) is：100:15~100:25；
(4) slurry described in step (3) carries out the standing of a period of time and clears up, and obtains stand-by mixed material；
(5) the stand-by mixed material for obtaining step (4) is added in mould, shakes de-bubble, forms uniform embryo material；
(6) demoulding is obtained sample after embryo material described in step (5) places a period of time；
(7) sample described in step (6) is conserved under conditions of 20~50 DEG C, obtains a kind of using the preparation of slurrying green mud
Dinas brickes finished product.
Further, the particle diameter of the slurrying green mud is 15.8 μm, CaCO in the slurrying green mud3Weight percentage
The weight percentage for being more than 90%, Al is that the weight percentage of more than 1.6%, Si is more than 2.1%.
Further, the sand material is river sand, and the weight proportion of the river sand is：Below particle diameter 0.15mm accounts for 18%~
30%, 0.15~0.4mm of particle diameter account for 30%~40%, and 0.4~2.5mm of particle diameter accounts for 52%~70%.
Further, the particle diameter of the furnace bottom ash is 0.34mm, Al in the furnace bottom ash2O3Weight percentage be 10
~20%, SiO2Weight percentage be 35~40%.
Further, the pH value of the alkaline condensed water is 10~13.
Preferably, feedstock optimization weight proportion is in the step (1)：Slurrying green mud 46%, sand material 7%, furnace bottom ash
7%, cement 40%.
Preferably, feedstock optimization weight proportion is in the step (1)：Slurrying green mud 48%, sand material 7%, furnace bottom ash
7%, cement 38%.
Preferably, feedstock optimization weight proportion is in the step (1)：Slurrying green mud 45%, sand material 5%, furnace bottom ash
5%, cement 45%.
Preferably, sample described in step (6) is conserved under conditions of 30 DEG C in the step (7).
The present invention also provides Dinas brickes prepared by a kind of method for preparing Dinas brickes according to above-mentioned utilization slurrying green mud, described
Dinas brickes includes the raw material of following weight proportion：Slurrying green mud：40~50%, sand material：5~7%, furnace bottom ash：4~7%, water
Mud：35~45%.
A kind of utilization slurrying green mud of the invention prepares the method for Dinas brickes and its Dinas brickes of preparation, with following beneficial
Effect：
1st, the Dinas brickes compression strength prepared by the present invention is high, and compression strength rank can reach《Autoclaved lime-sand brick》
(GB11945-1999) MU10 ranks in, and expose out of doors for a long time, its surface is also without losing fangle, weathering and crack phenomenon
Occur, show that its stability is high using the Dinas brickes of method of the present invention preparation.
2nd, need to carry out autoclave curing in sand-lime process for producing bricks of the prior art, equipment investment is big, high energy consumption
And operating process is complicated.The present invention is supported using the sintering or steam that the method that slurrying green mud makes Dinas brickes needs not move through high temperature
Shield, need to only conserve, energy-conserving and environment-protective at a temperature of 20~50 DEG C.
3rd, production stage of the invention is simple, and low cost can be widely applied to building materials field, is such as used for highway foundation material
Material, non-bearing wall body etc..
4th, the present invention not only reduces the expense of the outer treatment slurrying green mud of pulping and paper-making industry committee, saves substantial amounts of soil
Resource, and solid waste environmental pollution is reduced, meet the innoxious of China's Solid Waste Treatment, minimizing and resource former
Then, with significant economic benefit and social benefit.
Brief description of the drawings
In order to illustrate more clearly of technical scheme, below will be to being wanted needed for embodiment or description of the prior art
The accompanying drawing for using is briefly described.It should be evident that drawings in the following description are only some embodiments of the present invention, it is right
For those of ordinary skill in the art, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings
Its accompanying drawing.
Fig. 1 be the embodiment of the present invention a kind of utilization slurrying green mud prepare Dinas brickes method FB(flow block)；
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art obtained on the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
Embodiment 1
As shown in figure 1, the method that a kind of utilization slurrying green mud disclosed in the present embodiment 1 prepares Dinas brickes, specifically include with
Lower step：
(1) raw material of row weight proportion is removed：Slurrying green mud：46%, river sand：7%, furnace bottom ash：7%, cement：40%；
(2) raw material of the weight proportion described in step (1) is added in agitating device and stirs mixing；
(3) progressively to the alkaline condensed water that pH value is 12 is added in agitating device, continue to stir 10min to forming slurry,
The alkaline condensed water is with the weight proportion of the raw material of the weight proportion described in step (1)：100:17；
(4) slurry described in step (3) carries out the standing of 10min and clears up, and obtains stand-by mixed material；
(5) the stand-by mixed material for obtaining step (4) is added in mould, shakes de-bubble 30s, forms uniform embryo material；
(6) demoulding is obtained Sample A 1 after embryo material described in step (5) is placed 2 days；
(7) Sample A 1 described in step (6) is conserved 10 days under conditions of 30 DEG C, obtains Dinas brickes finished product.
The particle diameter of slurrying green mud described in the above-mentioned steps (1) of the present embodiment 1 is 15.8 μm, in the slurrying green mud
CaCO3Weight percentage be for the weight percentage of more than 1.6%, Si for the weight percentage of more than 90%, Al
More than 2.1%；The river sand is by sizing screening, the weight proportion of each particle diameter：Below particle diameter 0.15mm accounts for 18%~
30%, 0.15~0.4mm of particle diameter account for 30%~40%, and 0.4~2.5mm of particle diameter accounts for 52%~70%；The particle diameter of the furnace bottom ash
It is 0.34mm, Al in the furnace bottom ash2O3Weight percentage be 10~20%, SiO2Weight percentage for 35~
40%.
Include the raw material of following weight proportion using Dinas brickes finished product obtained in the above method：Slurrying green mud 46%, sand material
7%, furnace bottom ash：7%, cement 40%.
Above-mentioned its compression strength of Dinas brickes finished product test in part is taken, part finished product is taken in addition and is placed observation in 3 months out of doors
Its stability.
After tested, it is 8.6Mpa with its monolithic brick compression strength of new Dinas brickes obtained in the method for the present embodiment 1, reaches
《Autoclaved lime-sand brick》(GB11945-1999) requirement of the monolithic compression strength value of MU10 dictates not less than 8.0Mpa in,
Meet national standard.Additionally, the stability observing result of 3 months shows, with new Dinas brickes obtained in the method for the present embodiment 1
Surface occurs without losing fangle, without weathering and crack phenomenon, and stability is high.
Embodiment 2
As shown in figure 1, the method that a kind of utilization slurrying green mud disclosed in the present embodiment 2 prepares Dinas brickes, specifically include with
Lower step：
(1) raw material of row weight proportion is removed：Slurrying green mud：48%, river sand：7%, furnace bottom ash：7%, cement：38%；
(2) raw material of the weight proportion described in step (1) is added in agitating device and stirs mixing；
(3) progressively to the alkaline condensed water that pH value is 13 is added in agitating device, continue to stir 10min to forming slurry,
The alkaline condensed water is with the weight proportion of the raw material of the weight proportion described in step (1)：100:18；
(4) slurry described in step (3) carries out the standing of 10min and clears up, and obtains stand-by mixed material；
(5) the stand-by mixed material for obtaining step (4) is added in mould, shakes de-bubble 30s, forms uniform embryo material；
(6) demoulding is obtained Sample A 2 after embryo material described in step (5) is placed 2 days；
(7) Sample A 2 described in step (6) is conserved 10 days under conditions of 30 DEG C, obtains Dinas brickes finished product.
The particle diameter of slurrying green mud described in the above-mentioned steps (1) of the present embodiment 2 is 15.8 μm, in the slurrying green mud
CaCO3Weight percentage be for the weight percentage of more than 1.6%, Si for the weight percentage of more than 90%, Al
More than 2.1%；The river sand is by sizing screening, the weight proportion of each particle diameter：Below particle diameter 0.15mm accounts for 18%~
30%, 0.15~0.4mm of particle diameter account for 30%~40%, and 0.4~2.5mm of particle diameter accounts for 52%~70%；The particle diameter of the furnace bottom ash
It is 0.34mm, Al in the furnace bottom ash2O3Weight percentage be 10~20%, SiO2Weight percentage for 35~
40%.
Include the raw material of following weight proportion using Dinas brickes finished product obtained in the above method：Slurrying green mud 48%, sand material
7%, furnace bottom ash：7%, cement 38%.
Above-mentioned its compression strength of Dinas brickes finished product test in part is taken, part finished product is taken in addition and is placed observation in 3 months out of doors
Its stability.
After tested, it is 9.1Mpa with its monolithic brick compression strength of new Dinas brickes obtained in the method for the present embodiment 2, is better than
《Autoclaved lime-sand brick》(GB11945-1999) requirement of the monolithic compression strength value of MU10 dictates not less than 8.0Mpa in, symbol
Close national standard.Additionally, the stability observing result of 3 months shows, with new Dinas brickes table obtained in the method for the present embodiment 2
Face occurs without losing fangle, without weathering and crack phenomenon, and stability is high.
Embodiment 3
As shown in figure 1, the method that a kind of utilization slurrying green mud disclosed in the present embodiment 3 prepares Dinas brickes, specifically include with
Lower step：
(1) raw material of row weight proportion is removed：Slurrying green mud：45%, river sand：5%, furnace bottom ash：5%, cement：45%；
(2) raw material of the weight proportion described in step (1) is added in agitating device and stirs mixing；
(3) progressively to the alkaline condensed water that pH value is 10 is added in agitating device, continue to stir 10min to forming slurry,
The alkaline condensed water is with the weight proportion of the raw material of the weight proportion described in step (1)：100:19；
(4) slurry described in step (3) carries out the standing of 10min and clears up, and obtains stand-by mixed material；
(5) the stand-by mixed material for obtaining step (4) is added in mould, shakes de-bubble 30s, forms uniform embryo material；
(6) demoulding is obtained Sample A 3 after embryo material described in step (5) is placed 2 days；
(7) Sample A 3 described in step (6) is conserved 10 days under conditions of 40 DEG C, obtains Dinas brickes finished product.
The particle diameter of slurrying green mud described in the above-mentioned steps (1) of the present embodiment 3 is 15.8 μm, in the slurrying green mud
CaCO3Weight percentage be for the weight percentage of more than 1.6%, Si for the weight percentage of more than 90%, Al
More than 2.1%；The river sand is by sizing screening, the weight proportion of each particle diameter：Below particle diameter 0.15mm accounts for 18%~
30%, 0.15~0.4mm of particle diameter account for 30%~40%, and 0.4~2.5mm of particle diameter accounts for 52%~70%；The particle diameter of the furnace bottom ash
It is 0.34mm, Al in the furnace bottom ash2O3Weight percentage be 10~20%, SiO2Weight percentage for 35~
40%.
Include the raw material of following weight proportion using Dinas brickes finished product obtained in the above method：Slurrying green mud：45%, river
Sand：5%, furnace bottom ash：5%, cement：45%.
Above-mentioned its compression strength of Dinas brickes finished product test in part is taken, part finished product is taken in addition and is placed observation in 3 months out of doors
Its stability.
After tested, it is 10.1Mpa with its monolithic brick compression strength of new Dinas brickes obtained in the method for the present embodiment 3, it is excellent
In《Autoclaved lime-sand brick》(GB11945-1999) requirement of the monolithic compression strength value of MU10 dictates not less than 8.0Mpa in,
Meet national standard.Additionally, the stability observing result of 3 months shows, with new Dinas brickes obtained in the method for the present embodiment 3
Surface occurs without losing fangle, without weathering and crack phenomenon, and stability is high.
Embodiment 4
As shown in figure 1, the method that a kind of utilization slurrying green mud disclosed in the present embodiment 4 prepares Dinas brickes, specifically include with
Lower step：
(1) raw material of row weight proportion is removed：Slurrying green mud：40%, river sand：5%, furnace bottom ash：4%, cement：35%；
(2) raw material of the weight proportion described in step (1) is added in agitating device and stirs mixing；
(3) progressively to the alkaline condensed water that pH value is 11 is added in agitating device, continue to stir 10min to forming slurry,
The alkaline condensed water is with the weight proportion of the raw material of the weight proportion described in step (1)：100:15；
(4) slurry described in step (3) carries out the standing of 10min and clears up, and obtains stand-by mixed material；
(5) the stand-by mixed material for obtaining step (4) is added in mould, shakes de-bubble 30s, forms uniform embryo material；
(6) demoulding is obtained Sample A 4 after embryo material described in step (5) is placed 2 days；
(7) Sample A 4 described in step (6) is conserved 10 days under conditions of 20 DEG C, obtains Dinas brickes finished product.
The particle diameter of slurrying green mud described in the above-mentioned steps (1) of the present embodiment 4 is 15.8 μm, in the slurrying green mud
CaCO3Weight percentage be for the weight percentage of more than 1.6%, Si for the weight percentage of more than 90%, Al
More than 2.1%；The river sand is by sizing screening, the weight proportion of each particle diameter：Below particle diameter 0.15mm accounts for 18%~
30%, 0.15~0.4mm of particle diameter account for 30%~40%, and 0.4~2.5mm of particle diameter accounts for 52%~70%；The particle diameter of the furnace bottom ash
It is 0.34mm, Al in the furnace bottom ash2O3Weight percentage be 10~20%, SiO2Weight percentage for 35~
40%.
Include the raw material of following weight proportion using Dinas brickes finished product obtained in the above method：Slurrying green mud：40%, river
Sand：5%, furnace bottom ash：4%, cement：35%.
Above-mentioned its compression strength of Dinas brickes finished product test in part is taken, part finished product is taken in addition and is placed observation in 3 months out of doors
Its stability.
After tested, it is 8.3Mpa with its monolithic brick compression strength of new Dinas brickes obtained in the method for the present embodiment 4, is better than
《Autoclaved lime-sand brick》(GB11945-1999) requirement of the monolithic compression strength value of MU10 dictates not less than 8.0Mpa in, symbol
Close national standard.Additionally, the stability observing result of 3 months shows, with new Dinas brickes table obtained in the method for the present embodiment 4
Face occurs without losing fangle, without weathering and crack phenomenon, and stability is high.
Embodiment 5
As shown in figure 1, the method that a kind of utilization slurrying green mud disclosed in the present embodiment 5 prepares Dinas brickes, specifically include with
Lower step：
(1) raw material of row weight proportion is removed：Slurrying green mud：50%, river sand：7%, furnace bottom ash：4%, cement：45%；
(2) raw material of the weight proportion described in step (1) is added in agitating device and stirs mixing；
(3) progressively to the alkaline condensed water that pH value is 11 is added in agitating device, continue to stir 10min to forming slurry,
The alkaline condensed water is with the weight proportion of the raw material of the weight proportion described in step (1)：100:25；
(4) slurry described in step (3) carries out the standing of 10min and clears up, and obtains stand-by mixed material；
(5) the stand-by mixed material for obtaining step (4) is added in mould, shakes de-bubble 30s, forms uniform embryo material；
(6) demoulding is obtained Sample A 5 after embryo material described in step (5) is placed 2 days；
(7) Sample A 5 described in step (6) is conserved 10 days under conditions of 50 DEG C, obtains Dinas brickes finished product.
The particle diameter of slurrying green mud described in the above-mentioned steps (1) of the present embodiment 5 is 15.8 μm, in the slurrying green mud
CaCO3Weight percentage be for the weight percentage of more than 1.6%, Si for the weight percentage of more than 90%, Al
More than 2.1%；The river sand is by sizing screening, the weight proportion of each particle diameter：Below particle diameter 0.15mm accounts for 18%~
30%, 0.15~0.4mm of particle diameter account for 30%~40%, and 0.4~2.5mm of particle diameter accounts for 52%~70%；The particle diameter of the furnace bottom ash
It is 0.34mm, Al in the furnace bottom ash2O3Weight percentage be 10~20%, SiO2Weight percentage for 35~
40%.
Include the raw material of following weight proportion using Dinas brickes finished product obtained in the above method：Slurrying green mud：50%, river
Sand：7%, furnace bottom ash：4%, cement：45%.
Above-mentioned its compression strength of Dinas brickes finished product test in part is taken, part finished product is taken in addition and is placed observation in 3 months out of doors
Its stability.
After tested, it is 8.5Mpa with its monolithic brick compression strength of new Dinas brickes obtained in the method for the present embodiment 5, is better than
《Autoclaved lime-sand brick》(GB11945-1999) requirement of the monolithic compression strength value of MU10 dictates not less than 8.0Mpa in, symbol
Close national standard.Additionally, the stability observing result of 3 months shows, with new Dinas brickes table obtained in the method for the present embodiment 5
Face occurs without losing fangle, without weathering and crack phenomenon, and stability is high.
In sum, a kind of utilization slurrying green mud of the invention prepares the method for Dinas brickes and its Dinas brickes of preparation, tool
Have the advantages that：
1st, the Dinas brickes compression strength prepared by the present invention is high, and compression strength rank can reach《Autoclaved lime-sand brick》
(GB11945-1999) MU10 ranks in, and expose out of doors for a long time, its surface is also without losing fangle, weathering and crack phenomenon
Occur, show that its stability is high using the Dinas brickes of method of the present invention preparation.
2nd, need to carry out autoclave curing in sand-lime process for producing bricks of the prior art, equipment investment is big, high energy consumption
And operating process is complicated.The present invention is supported using the sintering or steam that the method that slurrying green mud makes Dinas brickes needs not move through high temperature
Shield, need to only conserve, energy-conserving and environment-protective at a temperature of 20~50 DEG C.
3rd, production stage of the invention is simple, and low production cost can be widely applied to building materials field, is such as used for highway foundation
Material, non-bearing wall body etc..
4th, the present invention not only reduces the expense of the outer treatment slurrying green mud of pulping and paper-making industry committee, saves substantial amounts of soil
Resource, and solid waste environmental pollution is reduced, meet the innoxious of China's Solid Waste Treatment, minimizing and resource former
Then, with significant economic benefit and social benefit.
Described above fully discloses specific embodiment of the invention.It is pointed out that being familiar with the field
Scope of any change that technical staff is done to specific embodiment of the invention all without departing from claims of the present invention.
Correspondingly, the scope of claim of the invention is also not limited only to previous embodiment.
Claims (10)
1. a kind of method that utilization slurrying green mud prepares Dinas brickes, it is characterised in that comprise the following steps：
(1) raw material of row weight proportion is removed：Slurrying green mud：40~50%, sand material：5~7%, furnace bottom ash：4~7%, cement：
35~45%；
(2) raw material of the weight proportion described in step (1) is added in agitating device and stirs mixing；
(3) progressively continue stirring and extremely form slurry, the alkaline condensed water and step to alkaline condensed water is added in agitating device
(1) weight proportion of the raw material of the weight proportion described in is：100:15~100:25；
(4) slurry described in step (3) carries out the standing of a period of time and clears up, and obtains stand-by mixed material；
(5) the stand-by mixed material for obtaining step (4) is added in mould, shakes de-bubble, forms uniform embryo material；
(6) demoulding is obtained sample after embryo material described in step (5) places a period of time；
(7) sample described in step (6) is conserved under conditions of 20~50 DEG C, obtains ash prepared by a kind of utilization slurrying green mud
Sanded brick finished product.
2. the method that a kind of utilization slurrying green mud according to claim 1 prepares Dinas brickes, it is characterised in that the slurrying
The particle diameter of green mud is 15.8 μm, CaCO in the slurrying green mud3Weight percentage contain for the weight percent of more than 90%, Al
Measure be more than 1.6%, Si weight percentage be more than 2.1%.
3. the method that a kind of utilization slurrying green mud according to claim 1 prepares Dinas brickes, it is characterised in that the sand material
It is river sand, the weight proportion of the river sand is：Below particle diameter 0.15mm accounts for 18%~30%, and 0.15~0.4mm of particle diameter accounts for 30%
~40%, 0.4~2.5mm of particle diameter accounts for 52%~70%.
4. the method that a kind of utilization slurrying green mud according to claim 1 prepares Dinas brickes, it is characterised in that the furnace bottom
The particle diameter of ash is 0.34mm, Al in the furnace bottom ash2O3Weight percentage be 10~20%, SiO2Weight percentage
It is 35~40%.
5. the method that a kind of utilization slurrying green mud according to claim 1 prepares Dinas brickes, it is characterised in that the alkalescence
The pH value of condensed water is 10~13.
6. the method that a kind of utilization slurrying green mud according to claim 1 prepares Dinas brickes, it is characterised in that the step
(1) feedstock optimization weight proportion is in：Slurrying green mud 46%, sand material 7%, furnace bottom ash 7%, cement 40%.
7. the method that a kind of utilization slurrying green mud according to claim 1 prepares Dinas brickes, it is characterised in that the step
(1) feedstock optimization weight proportion is in：Slurrying green mud 48%, sand material 7%, furnace bottom ash 7%, cement 38%.
8. the method that a kind of utilization slurrying green mud according to claim 1 prepares Dinas brickes, it is characterised in that the step
(1) feedstock optimization weight proportion is in：Slurrying green mud 45%, sand material 5%, furnace bottom ash 5%, cement 45%.
9. the method that a kind of utilization slurrying green mud according to claim 1 prepares Dinas brickes, it is characterised in that the step
(7) sample described in step (6) is conserved under conditions of 30 DEG C in.
10. a kind of utilization slurrying green mud according to claim 1 prepares Dinas brickes prepared by the method for Dinas brickes, its feature
It is that the Dinas brickes includes the raw material of following weight proportion：Slurrying green mud：40~50%, sand material：5~7%, furnace bottom ash：4
~7%, cement：35~45%.
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