CN110066145A - A kind of preparation method neutralizing slag brick block - Google Patents
A kind of preparation method neutralizing slag brick block Download PDFInfo
- Publication number
- CN110066145A CN110066145A CN201910318440.4A CN201910318440A CN110066145A CN 110066145 A CN110066145 A CN 110066145A CN 201910318440 A CN201910318440 A CN 201910318440A CN 110066145 A CN110066145 A CN 110066145A
- Authority
- CN
- China
- Prior art keywords
- slag
- brick
- mixture
- clinker
- premixing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/14—Waste materials; Refuse from metallurgical processes
- C04B18/141—Slags
-
- 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
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention provides a kind of preparation methods for neutralizing slag brick block, including prepare premixing mixture: pre-processing to slag is neutralized；Pretreated neutralization slag and clinker are stirred according to the ratio of 1:1, form premixing mixture, clinker neutralizes slag moisture content, to reduce convenient for subsequent broken；Broken premixing mixture: premixing mixture is added into cracking cabin and carries out break process；It prepares raw material: broken premixing mixture is added into batch bin；Cement and flyash are added in batch bin, so that neutralizing slag: cement: clinker: the proportion of flyash is 3:2:3:2, to improve strength grade；Brick molding.Compared with the existing technology, will neutralize slag: cement: clinker: flyash carries out ingredient according to 3:2:3:2, and the brick intention being finally made may make to meet the standard of MU10, it solves the problems, such as to neutralize slag storage waste, production line has been vitalized, has not only saved production cost, but also bring benefit.
Description
Technical field
The present invention relates to neutralize slag processing technique field more particularly to a kind of preparation method for neutralizing slag brick block.
Background technique
Non-ferrous metal group generates about 60,000 tons of neutralization slags every year, and utilization rate is low, the wasting of resources；Copper is preced with the production of building materials standard brick
Line is influenced production capacity deficiency by market raw material supply, to vitalize production line, reduces solid waste, substitutes packing material using slag is neutralized
Produce autoclaved fly ash brick.
There are problems in neutralization slag brick block preparation process: neutralization slag moisture content is higher, is crushed difficult forming；Neutralize slag with
Unclassified stores mixed proportion is affected to the final strength of brick.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of preparation methods for neutralizing slag brick block.
The present invention is realized by following technological means solves above-mentioned technical problem:
A kind of preparation method neutralizing slag brick block, comprising the following steps:
(1) premixing mixture is prepared:
(1.1) neutralization slag is pre-processed；
(1.2) pretreated neutralization slag and clinker are stirred according to the ratio of 1:1, form premixing mixture, furnace
Slag neutralizes slag moisture content, to reduce convenient for subsequent broken；
(2) it is crushed premixing mixture: premixing mixture being added into cracking cabin and carries out break process；
(3) raw material is prepared:
(3.1) broken premixing mixture is added into batch bin；
(3.2) cement and flyash are added in batch bin, so that neutralizing slag: cement: clinker: the proportion of flyash
For 3:2:3:2, to improve strength grade；
(3.3) proportioned material is added in mixing chamber and is mixed, form raw material；
(4) brick forms.
Preferably, the pretreatment specifically: the biggish neutralization slag of volume is crushed by disintegrating mechanism, is formed
Neutralization slag small in size；Vibration screening mechanism for precomminution treated neutralize slag carry out vibration screening, filter out small in size
Neutralization slag easy to use；Neutralization slag after screening is put into measuring equipment and carries out equal part.
Preferably, the break process: premixing mixture is subjected to attrition crushing processing by pressing mechanism, will be squeezed
Premixing mixture after break process, is handled using twin-screw extruder, formed particle it is small with mix mixture.
Preferably, in step (4), brick molding the following steps are included:
(4.1) raw material being mixed is put on hydrostatic profile press machine and processing is pressed, form brick
Shape；
(4.2) brick after forming processes is put into autoclave pressure, carries out steam pressure processing；
(4.3) steam pressure treated brick is taken out, naturally dry.
Preferably, the pressure that the hydrostatic profile press machine uses is 14MPa.
Preferably, autoclave pressure inner pressure constant brick steam pressure time inside 1.1MPa, the reaction kettle is
8h。
It is mixed the present invention has the advantages that will neutralize in slag and clinker is added, solves and neutralize that slag moisture content is big to ask
Topic facilitates the later period for neutralizing the break process during slag carries out brickmaking；Slag will be neutralized: cement: clinker: flyash according to
3:2:3:2 carries out ingredient, and the brick intention being finally made may make to meet the standard of MU10, solves and neutralizes slag storage waste
Problem has vitalized production line, has not only saved production cost, but also bring benefit.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the embodiment of the present invention, to this
Technical solution in inventive embodiments 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
Every other embodiment obtained, shall fall within the protection scope of the present invention under the premise of creative work.
A kind of preparation method neutralizing slag brick block, comprising the following steps:
(1) premixing mixture is prepared:
(1.1) neutralization slag is pre-processed；By pretreatment, some bad neutralization slags processed are discharged, side
Just subsequent neutralization slag processing；
(1.2) pretreated neutralization slag and clinker are stirred according to the ratio of 1:1, form premixing mixture, furnace
Slag neutralizes slag moisture content, to reduce convenient for subsequent broken；It on the one hand may make the moisture content drop neutralized inside slag using clinker
It is low, it on the other hand makes brick and uses clinker, using effect is more preferable；After slag and clinker are neutralized according to the ratio setting conveniently of 1:1
Phase is quantitatively adding cement and flyash；
(2) it is crushed premixing mixture: premixing mixture being added into cracking cabin and carries out break process；
(3) raw material is prepared:
(3.1) broken premixing mixture is added into batch bin；
(3.2) cement and flyash are added in batch bin, so that neutralizing slag: cement: clinker: the proportion of flyash
For 3:2:3:2, to improve strength grade；By this kind of combined amount, may make the intensity for producing brick meet MU10 (MU:
MU is the abbreviation of Masonry unit under construction, means building block, and the strength grade of brick is indicated with (MU+ number)) mark
It is quasi-；
(3.3) proportioned material is added in mixing chamber and is mixed, form raw material；
(4) brick forms.
Preferably, the pretreatment specifically: the biggish neutralization slag of volume is crushed by disintegrating mechanism, is formed
Neutralization slag small in size；Vibration screening mechanism for precomminution treated neutralize slag carry out vibration screening, filter out small in size
Neutralization slag easy to use；It screens twice, may make the effect of screening more preferable, the neutralization slag not screened can be again by
Disintegrating mechanism is handled；Neutralization slag after screening is put into measuring equipment and carries out equal part, after neutralizing slag equal part, side
Just user takes.
Preferably, the break process: premixing mixture is subjected to attrition crushing processing by pressing mechanism, will be squeezed
Premixing mixture after break process, is handled using twin-screw extruder, formed particle it is small with mix mixture, not using two kinds
It is handled with crumbling method, the mixture that may make that treated more it is thin more evenly, using effect is more preferable；Pressing mechanism
For an internal cavities, it is equipped with moveable stripper plate in cavity, mixture is put into cavity, is squeezed using stripper plate
Pressure, so that crushing material.
Preferably, in step (4), brick molding the following steps are included:
(4.1) raw material being mixed is put on hydrostatic profile press machine and processing is pressed, form brick
Shape；
(4.2) brick after forming processes is put into autoclave pressure, carries out steam pressure processing；
(4.3) steam pressure treated brick is taken out, naturally dry.
Preferably, the pressure that the hydrostatic profile press machine uses is 14MPa, under the pressure value, the fixation shape of brick
Effect is best.
Preferably, autoclave pressure inner pressure constant brick steam pressure time inside 1.1MPa, the reaction kettle is
8h, by the pressure and time, so that the brick using effect of final molding reaches optimum state.
Embodiment
(1) premixing mixture is prepared:
(1.1) neutralization slag is pre-processed；The biggish neutralization slag of volume is crushed by disintegrating mechanism, is formed
Neutralization slag small in size；Vibration screening mechanism for precomminution treated neutralize slag carry out vibration screening, filter out small in size
Neutralization slag easy to use；Neutralization slag after screening is put into measuring equipment and carries out equal part；
(1.2) it will be stirred with slag with 300kg clinker in 300kg after pretreatment, form premixing mixture, clinker is used
Neutralize slag moisture content, to reduce convenient for subsequent broken；
(2) be crushed premixing mixture: premixing mixture, which is added into cracking cabin, carries out break process；By premixing mixture
Attrition crushing processing is carried out by pressing mechanism, by attrition crushing treated premixing mixture, at twin-screw extruder
Reason, formed particle it is small with mix mixture；
(3) raw material is prepared:
(3.1) broken premixing mixture is added into batch bin；
(3.2) 200kg cement and 200kg flyash are added in batch bin；
(3.3) proportioned material is added in mixing chamber and is mixed, form raw material；
(4) brick molding the following steps are included:
(4.1) raw material being mixed (pressure value is adjusted to 14MPa) is put on hydrostatic profile press machine to press
Forming processes processed form brick shapes；
(4.2) brick after forming processes is put into autoclave pressure (pressure is constant in 1.1MPa), carries out steam pressure processing
(the steam pressure time is 8h)；
(4.3) steam pressure treated brick is taken out, naturally dry.
Comparative experiments
Exemplary: change the neutralization slag in above-mentioned steps (3) batch bin: cement: clinker: flyash ratio, other processing
Condition processing method does not change, carries out pressure detecting finally for the brick that different proportion is formed:
Experiment one neutralizes slag: cement: clinker: flyash 300kg:200kg:300kg:200kg；
Experiment two neutralizes slag: cement: clinker: flyash 300kg:300kg:300kg:300kg；
Experiment three neutralizes slag: cement: clinker: flyash 200kg:300kg:200kg:300kg；
Experiment four neutralizes slag: cement: clinker: flyash 300kg:250kg:300kg:250kg；
Experiment five neutralizes slag: cement: clinker: flyash 250kg:300kg:250kg:300kg；
It tests in one to five uniform actual mechanical process, commonly uses material proportion, final experimental data is as follows:
| Resistance to compression detection | It is whether qualified | |
| Experiment one | ≥MU10 | It is qualified |
| Experiment two | < MU10 | It is unqualified |
| Experiment three | < MU10 | It is unqualified |
| Experiment four | < MU10 | It is unqualified |
| Experiment five | < MU10 | It is unqualified |
It should be noted that, in this document, such as first and second or the like relational terms are used merely to one if it exists
A entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant
It is intended to non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wrapped
Those elements are included, but also including other elements that are not explicitly listed, or further includes for this process, method, article
Or the element that equipment is intrinsic.In the absence of more restrictions, the element limited by sentence "including a ...",
It is not precluded in the process, method, article or apparatus that includes the element that there is also other identical elements.
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 (6)
1. a kind of preparation method for neutralizing slag brick block, which comprises the following steps:
(1) premixing mixture is prepared:
(1.1) neutralization slag is pre-processed；
(1.2) pretreated neutralization slag and clinker are stirred according to the ratio of 1:1, form premixing mixture, clinker is used
Neutralize slag moisture content, to reduce convenient for subsequent broken；
(2) it is crushed premixing mixture: premixing mixture being added into cracking cabin and carries out break process；
(3) raw material is prepared:
(3.1) broken premixing mixture is added into batch bin；
(3.2) cement and flyash are added in batch bin, so that neutralizing slag: cement: clinker: the proportion of flyash is 3:2:
3:2, to improve strength grade；
(3.3) proportioned material is added in mixing chamber and is mixed, form raw material；
(4) brick forms.
2. a kind of preparation method for neutralizing slag brick block according to claim 1, it is characterised in that: the pretreatment is specific
Are as follows: the biggish neutralization slag of volume is crushed by disintegrating mechanism, forms neutralization slag small in size；Vibration screening mechanism for
Precomminution treated neutralize slag carry out vibration screening, filter out neutralization slag easy to use small in size；By the neutralization after screening
Slag, which is put into measuring equipment, carries out equal part.
3. a kind of preparation method for neutralizing slag brick block according to claim 1, it is characterised in that: the break process: will
Premixing mixture carries out attrition crushing processing by pressing mechanism, by attrition crushing treated premixing mixture, utilizes double spiral shells
Bar extrusion process, formed particle it is small with mix mixture.
4. a kind of preparation method for neutralizing slag brick block according to claim 1, it is characterised in that: in step (4), the brick
Formation of lots the following steps are included:
(4.1) raw material being mixed is put on hydrostatic profile press machine and processing is pressed, form brick shapes；
(4.2) brick after forming processes is put into autoclave pressure, carries out steam pressure processing；
(4.3) steam pressure treated brick is taken out, naturally dry.
5. a kind of preparation method for neutralizing slag brick block according to claim 4, it is characterised in that: the hydrostatic profile pressure
The pressure that machine uses is 14MPa.
6. a kind of preparation method for neutralizing slag brick block according to claim 4, it is characterised in that: pressure inside the autoclave pressure
The power constant brick steam pressure time inside 1.1MPa, the reaction kettle is 8h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910318440.4A CN110066145A (en) | 2019-04-19 | 2019-04-19 | A kind of preparation method neutralizing slag brick block |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910318440.4A CN110066145A (en) | 2019-04-19 | 2019-04-19 | A kind of preparation method neutralizing slag brick block |
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| CN110066145A true CN110066145A (en) | 2019-07-30 |
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| CN201910318440.4A Pending CN110066145A (en) | 2019-04-19 | 2019-04-19 | A kind of preparation method neutralizing slag brick block |
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|---|---|---|---|---|
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| CN103449796A (en) * | 2013-07-05 | 2013-12-18 | 宇星科技发展(深圳)有限公司 | Sludge autoclaved brick and preparation method thereof |
| KR101642039B1 (en) * | 2016-02-11 | 2016-07-22 | 에코플러스 주식회사 | A composite of eco-friendly binding materials with low CO2 emission property by using waste resources, steam cured cement mortar and stem cured concrete composite comprising the same |
| CN108203271A (en) * | 2016-12-19 | 2018-06-26 | 北京矿冶研究总院 | Baking-free and steaming-free brick prepared by treating sludge with lead-zinc smelting wastewater and preparation method thereof |
| CN109626905A (en) * | 2018-12-29 | 2019-04-16 | 紫金矿业集团股份有限公司 | A method of underground filling is used for based on slag is neutralized |
-
2019
- 2019-04-19 CN CN201910318440.4A patent/CN110066145A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103011738A (en) * | 2013-01-15 | 2013-04-03 | 昆明理工大学 | Curing method of copper sludge |
| CN103449796A (en) * | 2013-07-05 | 2013-12-18 | 宇星科技发展(深圳)有限公司 | Sludge autoclaved brick and preparation method thereof |
| KR101642039B1 (en) * | 2016-02-11 | 2016-07-22 | 에코플러스 주식회사 | A composite of eco-friendly binding materials with low CO2 emission property by using waste resources, steam cured cement mortar and stem cured concrete composite comprising the same |
| CN108203271A (en) * | 2016-12-19 | 2018-06-26 | 北京矿冶研究总院 | Baking-free and steaming-free brick prepared by treating sludge with lead-zinc smelting wastewater and preparation method thereof |
| CN109626905A (en) * | 2018-12-29 | 2019-04-16 | 紫金矿业集团股份有限公司 | A method of underground filling is used for based on slag is neutralized |
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Application publication date: 20190730 |
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