CN107141019A - Dregs brick and preparation method for solidified carbon dioxide - Google Patents

Dregs brick and preparation method for solidified carbon dioxide Download PDF

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Publication number
CN107141019A
CN107141019A CN201710335206.3A CN201710335206A CN107141019A CN 107141019 A CN107141019 A CN 107141019A CN 201710335206 A CN201710335206 A CN 201710335206A CN 107141019 A CN107141019 A CN 107141019A
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CN
China
Prior art keywords
carbon dioxide
dregs
engineering
solidified
brick
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.)
Pending
Application number
CN201710335206.3A
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Chinese (zh)
Inventor
刘坚
陈锐
许颖
李勇勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Graduate School Harbin Institute of Technology
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Shenzhen Graduate School Harbin Institute of Technology
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Priority to CN201710335206.3A priority Critical patent/CN107141019A/en
Publication of CN107141019A publication Critical patent/CN107141019A/en
Pending legal-status Critical Current

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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
    • 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
    • C04B2111/00017Aspects relating to the protection of the environment
    • 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
    • C04B2111/27Water resistance, i.e. waterproof or water-repellent materials
    • 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
    • C04B2111/28Fire resistance, i.e. materials resistant to accidental fires or high temperatures
    • C04B2111/285Intumescent materials
    • 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
    • C04B2111/40Porous or lightweight materials
    • 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
    • C04B2111/52Sound-insulating materials

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention belongs to engineered building materials field, especially a kind of dregs brick and preparation method for solidified carbon dioxide;Including gel rubber material, engineering dregs and carbon dioxide closed air bubbles;The carbon dioxide closed air bubbles are evenly distributed in the mixture of the gel rubber material and the engineering dregs;Wherein described gel rubber material and the mass ratio of the engineering dregs are 1:2‑10;The not only a large amount of solidified carbon dioxides of the dregs brick for solidified carbon dioxide that this programme is provided, low-carbon environment-friendly is to prevent greenhouse effects and global warming from contributing, and a large amount of dregs of consumption, has ensured the high speed development in city;Product after solidified carbon dioxide is construction material, consumption is big, it is to avoid secondary land occupation resource;As construction material, internal dead-end pore contributes to water proof, hot harmony, and carbon dioxide solidification is in contributing to fire prevention in bubble.

Description

Dregs brick and preparation method for solidified carbon dioxide
Technical field
It is especially a kind of for the dregs brick of solidified carbon dioxide and preparation side the invention belongs to engineered building materials field Method.
Background technology
A large amount of discharges of carbon dioxide are to cause the main cause of global warming and greenhouse effects.Due to Chinese quickly production Industry develops and Process of Urbanization Construction, and the quantity of heat power station constantly rises, and CO2 emissions are also continuously increased.According to Norway CICERO is counted, and Chinese carbon dioxide in 2016 adds up discharge capacity and is up to 146,400,000,000 tons, leaps to the first.How carbon dioxide is reduced Discharge capacity is a major issue urgently to be resolved hurrily.The A of patent CN 103030166 propose a kind of carbon dioxide solidification method, lead to Carbon dioxide conversion is that carbonate is solidified by percarbonate precipitation.However, such a method is not suitable for a large amount of solidifications, and Designed cost of material is high, and the product after solidification is as dregs, land occupation resource.
Engineering dregs refer mainly to the outer muck haulage in Process of Engineering Construction, and current processing method is mainly landfill method.With city City's land resource is increasingly in short supply, and existing dregs can not meet the demand of expressway around city development by Na Chang planning construction.With Shenzhen Exemplified by, 2013 to 2015, Shenzhen's dregs yield about 3600 ten thousand stere every year on average, at present by Na Chang remaining storehouse The ten thousand stere of capacity about 1600.It can be seen that, how harmless treatment dregs has turned into the guarantee that expressway around city develops.Patent CN104860703A propositions are a kind of using engineering spoir as the preparation method of the foamed brick of raw material, and the soil body is determined by Fast Measurement Method Moisture content and corresponding material proportion, it is adaptable to the big soil body of this moisture content difference of dregs, but this technology is not taken into account The solidification of carbon dioxide.
For this reason, it is necessary to design a kind of new engineering dregs brick, engineering dregs and carbon dioxide can be reduced simultaneously Pollution.
The content of the invention
The main object of the present invention is to provide a kind of dregs brick for solidified carbon dioxide, for overcoming existing engineering slag The problem of cob brick can not reclaim dregs and carbon dioxide simultaneously.
The present invention is achieved in that a kind of dregs brick for solidified carbon dioxide, including gel rubber material, engineering dregs With carbon dioxide closed air bubbles;The carbon dioxide closed air bubbles are evenly distributed in the gel rubber material and the engineering dregs Mixture in;Wherein described gel rubber material and the mass ratio of the engineering dregs are 1:2-10.Gel rubber material in this programme Main function includes two aspects:One is isolation, solidified carbon dioxide, reduces the effusion of carbon dioxide.Two be to play skeleton work With there is some strength, meet structural requirement.
The present invention further technical scheme be:The carbon dioxide closed air bubbles are by Engineering Foam or plastic sheeting bag Wrap up in.
The present invention further technical scheme be:The gel rubber material is the hydraulicity or the binder materials of polymerism.For example Cement, metakaolin etc..
The present invention further technical scheme be:Carbon dioxide air pressure is 10-2000 in the carbon dioxide closed air bubbles kPa.Carbon dioxide air pressure, the pressure that cladding material can be born are determined according to the intensity of the Engineering Foam or plastic sheeting Intensity is bigger, and the pressure that can add to carbon dioxide is bigger.
The present invention further technical scheme be:The carbon dioxide closed air bubbles volume accounts for described for solidifying titanium dioxide The 0%-60% of the dregs brick cumulative volume of carbon.The volume of carbon dioxide closed air bubbles depends on the requirement of the foamed brick density.
The another object of this programme is the preparation method for providing a kind of dregs brick for solidified carbon dioxide, this method Comprise the following steps:
Step A:Mixture step is manufactured, binder materials, engineering dregs and water are pressed design load by the manufacture mixture step system Mix and be sufficiently stirred for resulting mixture, wherein the addition of the binder materials, engineering dregs and water is 1:2-10:0.5-1.5;
Step B:Carbon dioxide closed air bubbles step is manufactured, the manufacture carbon dioxide closed air bubbles step system uses Engineering Foam Or plastic sheeting is wrapped up and solidified to carbon dioxide;
Step C:Preform step is manufactured, the manufacture preform system obtains the step A mixtures obtained and step B Carbon dioxide closed air bubbles be mixed and stirred for uniformly;
Step D:It is described to pour into the step C products obtained in mould into brick step system into brick step, maintain into brick.Wherein support Shield refers to natural curing.Natural curing is poured the mixture into after mould, is placed under normal temperature condition and is conserved, uses plastic sheeting Covering mould ensures that mixture is separated by with air, and moisture is not vaporized, and the moisture that binder materials is leaned in mixture completes aquation and made With maintenance 28 days.
The present invention further technical scheme be:The step B comprises the following steps,
Step B1:Carbon dioxide is collected, and it is pressurizeed;
Step B2:Carbon dioxide is mixed with Engineering Foam or plastics stoste under elevated pressure conditions, is formed after mixing and contains dioxy Change the foam of carbon.
The present invention further technical scheme be:In the step B2 by foaming machine by carbon dioxide and Engineering Foam or Plastics stoste is mixed.Carbon dioxide is mixed with Engineering Foam or plastics stoste by foaming machine, is formed and contained after mixing The foam of carbon dioxide, is formed under air effect as cellular packed structures.The intensity of the structure it is main by Engineering Foam or The strength control of plastics stoste.Part foam rupture is had during stirring.Here pressure refers to 10-2000kPa.
The present invention further technical scheme be:The Engineering Foam introduces gas under mechanical force by foaming agent and obtained , the foaming agent is Tea Saponin foaming agent and saponin type foaming agent.
The present invention further technical scheme be:The plastics stoste is polyvinyl chloride or igelite stoste.This Both plastics have higher mechanical strength, can bear the pressure.
The beneficial effects of the invention are as follows:The dregs brick for solidified carbon dioxide that this programme is provided not only largely solidifies two Carbonoxide, low-carbon environment-friendly to prevent greenhouse effects and global warming from contributing, and consumes a large amount of dregs, has ensured city High speed development;Product after solidified carbon dioxide is construction material, consumption is big, it is to avoid secondary land occupation resource;As Construction material, internal dead-end pore contributes to water proof, hot harmony, and carbon dioxide solidification is in contributing to fire prevention in bubble.
Brief description of the drawings
, below will be to embodiment or existing in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this Some embodiments described in application, for those of ordinary skill in the art, on the premise of not paying creative work, Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of the dregs brick provided in an embodiment of the present invention for solidified carbon dioxide.
Reference:1- binder materials and engineering dregs mixture;2- carbon dioxide closed air bubbles;3- Engineering Foams layer.
Embodiment
The present invention provides a kind of dregs brick and preparation method for solidified carbon dioxide.Below in conjunction with drawings and Examples The present invention is described in detail.
Referring to Fig. 1, the present invention is provided to the dregs brick and preparation method of solidified carbon dioxide.The solidification titanium dioxide The dregs brick of carbon is made up of the mixtures 1 of binder materials and engineering dregs, carbon dioxide closed air bubbles 2.
Wherein, described carbon dioxide closed air bubbles are wrapped up by Engineering Foam or plastic sheeting, are evenly distributed on gelling material In material and the mixture of engineering dregs formation.As a preferred embodiment, the present invention uses Engineering Foam solidified carbon dioxide.In Fig. 1 Show the Engineering Foam layer 3 for being wrapped in carbon dioxide bubble outer layer.
Carbon dioxide air pressure is between 10-2000 kPa in described carbon dioxide closed air bubbles, and specific design value takes Certainly in the requirement of the Engineering Foam or plastic sheeting intensity.As a preferred embodiment, this specific embodiment uses described dioxy It is 20kPa to change Carbon dioxide air pressure in carbon closed air bubbles.
The ratio that described carbon dioxide closed air bubbles volume accounts for volume is 0%-60%, and specific design value depends on the bubble The requirement of foam brick density.It is 800-900kg/m3 according to foamed brick density requirements, as a preferred embodiment, this specific embodiment is used The ratio that described carbon dioxide closed air bubbles volume accounts for volume is 40%.
Described binder materials and engineering dregs mixing quality ratio are 1:2-1:10, specific design value depends on the foam The requirement of brick intensity.It is 3.5MPa according to the foamed brick intensity, as a preferred embodiment, the present invention uses described binder materials It is 1 with engineering dregs mixing quality ratio:3.
A kind of preparation method of this specific embodiment simultaneously there is provided dregs brick for solidified carbon dioxide, this method tool There are following steps:
Step one:The carbon dioxide of collection, is forced into 20kPa;
Step 2:By 1:3:1 mass ratio mixing binder materials, engineering dregs and water, are sufficiently stirred for resulting mixture;
Step 3:Under stress, carbon dioxide and Engineering Foam stoste are mixed, the mixing of step 2 is sprayed into from shower nozzle Thing, forms the bubble of sealing carbon dioxide, the addition of the bubble of carbon dioxide is 40% in atmospheric conditions after ejection.
Need to use foaming machine and foaming agent in this step.The Engineering Foam refers to that foaming agent introduces empty in mechanical force In the case of gas, substantial amounts of foam is produced.Here foaming agent such as Tea Saponin foaming agent and saponin type foaming agent.Here Plastics stoste refers to polyvinyl chloride, and igelite has higher mechanical strength, can bear the pressure.
Step 4:Continue to stir, make the bubble distribution of sealing carbon dioxide uniform;
Step 5:The mixture of step 4 is poured into mould, brick is maintained into.Wherein maintenance refers to natural curing.Natural curing It is to pour the mixture into after mould, is placed under normal temperature condition and conserves, mixture and sky are ensured with covered rearing with plastic film mould Gas phase is every moisture is not vaporized, and the moisture that binder materials is leaned in mixture completes hydration, is conserved 28 days.
The dregs brick for solidified carbon dioxide not only a large amount of solidified carbon dioxides, low-carbon environment-friendly that this programme is provided, be Prevent greenhouse effects and global warming from contributing, and consume a large amount of dregs, ensure the high speed development in city;Solidify dioxy It is construction material to change the product after carbon, consumption is big, it is to avoid secondary land occupation resource;As construction material, internal blind hole Gap contributes to water proof, hot harmony, and carbon dioxide solidification is in contributing to fire prevention in bubble.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.

Claims (10)

1. a kind of dregs brick for solidified carbon dioxide, it is characterised in that:Including gel rubber material, engineering dregs and carbon dioxide Closed air bubbles;The carbon dioxide closed air bubbles are evenly distributed in the mixture of the gel rubber material and the engineering dregs In;Wherein described gel rubber material and the mass ratio of the engineering dregs are 1:2-10.
2. the dregs brick according to claim 1 for solidified carbon dioxide, it is characterised in that:The carbon dioxide closing Bubble is wrapped up by Engineering Foam or plastic sheeting.
3. the dregs brick according to claim 1 for solidified carbon dioxide, it is characterised in that:The gel rubber material is water The binder materials of hardness or polymerism.
4. the dregs brick according to claim 1 for solidified carbon dioxide, it is characterised in that:The carbon dioxide closing Carbon dioxide air pressure is 10-2000 kPa in bubble.
5. the dregs brick according to claim 1 for solidified carbon dioxide, it is characterised in that:The carbon dioxide closing Bubble volume accounts for the 0%-60% of the dregs brick cumulative volume for solidified carbon dioxide.
6. the preparation method of a kind of dregs brick for solidified carbon dioxide, it is characterised in that comprise the following steps:
Step A:Mixture step is manufactured, binder materials, engineering dregs and water are pressed design load by the manufacture mixture step system Mix and be sufficiently stirred for resulting mixture, wherein the addition of the binder materials, engineering dregs and water is 1:2-10:0.5-1.5;
Step B:Carbon dioxide closed air bubbles step is manufactured, the manufacture carbon dioxide closed air bubbles step system uses Engineering Foam Or plastic sheeting is wrapped up and solidified to carbon dioxide;
Step C:Preform step is manufactured, the manufacture preform system obtains the step A mixtures obtained and step B Carbon dioxide closed air bubbles be mixed and stirred for uniformly;
Step D:It is described to pour into the step C products obtained in mould into brick step system into brick step, maintain into brick.
7. the preparation method of the dregs brick according to claim 6 for solidified carbon dioxide, it is characterised in that the step Rapid B comprises the following steps,
Step B1:Carbon dioxide is collected, and it is pressurizeed;
Step B2:Carbon dioxide is mixed with Engineering Foam or plastics stoste under elevated pressure conditions, is formed after mixing and contains dioxy Change the foam of carbon.
8. the preparation method of the dregs brick according to claim 7 for solidified carbon dioxide, it is characterised in that:The step Carbon dioxide is mixed with Engineering Foam or plastics stoste by foaming machine in rapid B2.
9. the preparation method of the dregs brick according to claim 8 for solidified carbon dioxide, it is characterised in that:The work Journey foam is introduced gas acquisition by foaming agent under mechanical force, and the foaming agent is that Tea Saponin foaming agent and saponin type are sent out Infusion.
10. the preparation method of the dregs brick according to claim 8 for solidified carbon dioxide, it is characterised in that:It is described Plastics stoste is polyvinyl chloride or igelite stoste.
CN201710335206.3A 2017-05-12 2017-05-12 Dregs brick and preparation method for solidified carbon dioxide Pending CN107141019A (en)

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CN201710335206.3A CN107141019A (en) 2017-05-12 2017-05-12 Dregs brick and preparation method for solidified carbon dioxide

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Application Number Priority Date Filing Date Title
CN201710335206.3A CN107141019A (en) 2017-05-12 2017-05-12 Dregs brick and preparation method for solidified carbon dioxide

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110203932A (en) * 2019-06-05 2019-09-06 东南大学 A kind of device and preparation method of foam concrete solidified carbon dioxide

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US20060185560A1 (en) * 2005-02-24 2006-08-24 Wisconsin Electric Power Company Carbon dioxide sequestration in foamed controlled low strength materials
US20080245274A1 (en) * 2005-02-24 2008-10-09 Ramme Bruce W Carbon Dioxide Sequestration in Foamed Controlled Low Strength Materials
CN104860703A (en) * 2015-05-04 2015-08-26 深圳市士高岩土技术工程有限公司 Manufacturing method of bubble brick using project spoil as raw material
CN105712683A (en) * 2016-01-29 2016-06-29 常州达奥新材料科技有限公司 Method for manufacturing foamed bricks based on construction waste soil

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Publication number Priority date Publication date Assignee Title
US20060185560A1 (en) * 2005-02-24 2006-08-24 Wisconsin Electric Power Company Carbon dioxide sequestration in foamed controlled low strength materials
US20080245274A1 (en) * 2005-02-24 2008-10-09 Ramme Bruce W Carbon Dioxide Sequestration in Foamed Controlled Low Strength Materials
CN104860703A (en) * 2015-05-04 2015-08-26 深圳市士高岩土技术工程有限公司 Manufacturing method of bubble brick using project spoil as raw material
CN105712683A (en) * 2016-01-29 2016-06-29 常州达奥新材料科技有限公司 Method for manufacturing foamed bricks based on construction waste soil

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110203932A (en) * 2019-06-05 2019-09-06 东南大学 A kind of device and preparation method of foam concrete solidified carbon dioxide

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Application publication date: 20170908