CN102424539B - Production method of straw regeneration concrete brick and building block - Google Patents
Production method of straw regeneration concrete brick and building block Download PDFInfo
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- CN102424539B CN102424539B CN2011102597600A CN201110259760A CN102424539B CN 102424539 B CN102424539 B CN 102424539B CN 2011102597600 A CN2011102597600 A CN 2011102597600A CN 201110259760 A CN201110259760 A CN 201110259760A CN 102424539 B CN102424539 B CN 102424539B
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- regeneration concrete
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- brick
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- 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
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- Curing Cements, Concrete, And Artificial Stone (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a production method of straw regeneration concrete bricks and building blocks, comprising the following steps: (1) cutting the straw into small sections having a length of 0.5-10 cm; (2) carrying out anticorrosion pretreatment on the cut straw by liquid corrosion prevention or gas corrosion prevention; (3) uniformly stirring the straw processed by anticorrosion pretreatment and regeneration concrete according to a volume ratio of the straw to the regeneration concrete being 3:7-8:2, then adding the mixture in a mould to carry out pressurization and solidification, and then demoulding.
Description
Technical field
The present invention relates to brick and building block in the construction material field, relate in particular to the production method of a kind of straw regeneration concrete brick and building block.
Background technology
Stalk is a kind of agriculture renewable resources had a large capacity and a wide range.At present, for this cheap waste resource, in the applied research work in construction material field, carry out.In production practice in the past, have the way of magnesium chloride and these magnesite stone flours of magnesium oxide and cementing agent polymerization mold pressing straw wall.With the relevant patent application of stalk production building walling, have: CN201010253977.6, the making method of low carbon straw brick and wall; CN201010592082.5, Assembled self-insulating straw brick; CN200710107126.9, the making method of stalk brick; CN200710133133.6, a kind of making method of environment-protective stalk brick; CN200920290321.4, straw brick compressing forming machine; CN200820103896.6, the heat-preserving wall that the straw building block of take is main body.The above-mentioned patent application close with the present invention is: the making method of low carbon straw brick and wall, the making method of stalk brick, a kind of making method of environment-protective stalk brick.
In the making method of low carbon straw brick and wall, rice straw, straw, millet bar, kaoliang stalk, corn stalk, weeds cane are cut into to the segment of 1cm to 10cm, put into stirrer after water logging and make just material with the building waste that is broken for 1～3cm and cement mixing, perhaps by phosphogypsum, sulphur gypsum after above-mentioned stalk and calcining, slag, mix and blend, make just material, pours in mould to solidify and produce stalk brick and body of wall.In the making method of another application stalk brick, the crops stalk crushing that is first 15～30% by water ratio becomes the straw powder of 0.5～1.5mm, after above-mentioned straw powder is mixed according to the ratio of 8: 1: 1 of volume ratio with fish glue and concrete and stirring, put in process furnace and heat, then this stalk mixture is put into to the mould with flexible and tightness system, carry out the circulation means of pressurization, pressurize and the pressure release of 1～5 time, finally take out and open mould.In a kind of making method of environment-protective stalk brick, by pulverizing such as corn stalk, soybean stalks, cotton stalks; Stalk after pulverizing is mixed in the ratio of 5: 1: 0.5 with clay, tackiness agent; Again by the mixture extrusion forming.
In the prior art, exist following deficiency: the aseptic technic of 1, not carrying out stalk is processed, and well-known, stalk is a kind of organic plant, and in the use of decades, rotproofing is necessary effectively.Especially in a kind of making method of environment-protective stalk brick, stalk and clay, the tackiness agent ratio of 5: 1: 0.5 in mass ratio mix, it is more that wherein the surface-area of stalk exceeds the surface-area of clay and tackiness agent, can't form the surface-closed to stalk, as the easily rotten change of stalk of organic plant, impact is used normally.2, do not utilize the surfactivity of clay, these materials of building waste, form the intensity of material self, reduce production costs; In the prior art, more utilization higher cement, gypsum or the tackiness agent of price, cause production cost higher.
Summary of the invention
The production method that the purpose of this invention is to provide a kind of straw regeneration concrete brick and building block.
The present invention is the production method of straw regeneration concrete brick and building block, the steps include:
(1) stalk is cut into to the segment of long 0.5cm～10cm;
(2) with liquid, anticorrosion or gas preserving method carries out anticorrosion pre-treatment to the stalk that will be cut into segment;
(3) after the stalk after rotproofing and the regeneration concrete material ratio of 3: 7 by volume～8: 2 are stirred, add in mould and carry out the demoulding after cure under pressure, produce straw regeneration concrete brick and building block.
The invention has the beneficial effects as follows: 1, due to stalk is taked to rotproofing, improve largely weather resistance and the reliability of straw regeneration concrete brick and building block; 2, the surfactivity of building castoff material is recovered, becoming regeneration concrete just expects, utilize the surface-active action of lime and clay simultaneously, the common regeneration concrete material that forms, give full play to the performance of material itself, improve the intensity of straw regeneration concrete brick and building block, reduce production costs, kill two birds with one stone.3, utilize building castoff, alleviate environmental stress, form recycling economy and low-carbon economy chain.4, due to technique scheme, improve the overall performance of straw regeneration concrete brick and building block product, the broadened application scope, given play to the advantage of this low-carbon (LC), environmental protection, regeneration concrete walling product.
Embodiment
The present invention is the production method of straw regeneration concrete brick and building block, the steps include:
(1) stalk is cut into to the segment of long 0.5cm～10cm;
(2) with liquid, anticorrosion or gas preserving method carries out anticorrosion pre-treatment to the stalk that will be cut into segment;
(3) after the stalk after rotproofing and the regeneration concrete material ratio of 3: 7 by volume～8: 2 are stirred, add in mould and carry out the demoulding after cure under pressure, produce straw regeneration concrete brick and building block.
The technical solution adopted for the present invention to solve the technical problems is: the stalk that will be cut into 0.5cm to 10cm segment, carry out anticorrosion pre-treatment through the anticorrosion or gas preserving method of liquid, after stalk after rotproofing and the regeneration concrete material ratio of 3: 7 by volume～8: 2 are stirred, add in mould and carry out the demoulding after cure under pressure, produce straw regeneration concrete brick and building block.Also can the stalk of 0.5cm to 10cm segment will be cut into, after soaking in liming, drop goes out, after stirring with the regeneration concrete material ratio of 4: 6 by volume～7: 3, add in mould and carry out the demoulding after cure under pressure, produce straw regeneration concrete brick and building block.Soaking drop after 4～48 hours in also can the potassium sorbate solution that be 0.2～2.5% in concentration by the stalk that is cut into segment goes out, clay brick, load-bearing concrete, non-load-bearing concrete that classification is levigate mix by weight 1: 0.5～4.5: 0.5～5.5, or levigate after clay brick, load-bearing concrete, non-load-bearing concrete and on-the-spot remaining solid waste are directly mixed, forming regeneration concrete just expects, after the ratio of 2: 8～7: 3 mixed by weight with 2: 8 dirt, form the regeneration concrete material; After the stalk that drop goes out and the regeneration concrete material ratio of 4: 6 by volume～7: 3 stir, add in mould and carry out the demoulding after cure under pressure, produce straw regeneration concrete brick and building block.After also straw can being pressurizeed 4～24 hours in the closed cabinet of sulfur dioxide gas, take out, be cut into the segment of 0.5cm～10cm, through trickle moistening evenly after, after stirring with the regeneration concrete material ratio of 4: 6 by volume～7: 3, add in mould and carry out the demoulding after cure under pressure, produce straw regeneration concrete brick and building block.After also sunflower stalk can being pressurizeed 6～24 hours in the closed cabinet of carbon dioxide, take out, be cut into the segment of 0.5cm～3cm, through trickle moistening evenly after, after stirring with the regeneration concrete material ratio of 4: 6 by volume～7: 3, add in mould and carry out the demoulding after cure under pressure, produce straw regeneration concrete brick and building block.Aborning, described stalk is: straw, or rice straw, or millet bar, or kaoliang stalk, or corn stalk, or Cotton Stalk, or soya bean stalk, or sunflower pole, or sugarcane bar.
The principle of technical scheme that the present invention adopts is: 1, by liquid or gas preserving method, killed or suppressed for the harmful bacteria in the stalk before not stirring, prevent the cyto-architectural destruction that harmful bacteria forms stalk cellulose, hemicellulose and the xylogen of making in brick or building block, and form weakly alkaline environment in regeneration concrete brick or building block, kill or suppress the growth of harmful bacteria.Cheapness and effective means are that after the stalk that will be cut into segment soaks in liming, drop goes out, with regeneration concrete material mixing and stirring, and cure under pressure in mould.Like this, can suppress or kill the harmful bacteria in stalk before stirring, can exist due to the weak base in regeneration concrete again, in long-term use procedure, make stalk around form a kind of weak base environment, suppress or the kill harmful bacterium.2, the regeneration concrete material is preparation like this: levigate by being classified after clay brick discarded in building waste and on-the-spot discarded load-bearing concrete and non-load-bearing concrete collection, recover to be mixed in proportion after the surfactivity of these materials, form the first material of regeneration concrete; In the production process of just expecting, also can be levigate by mixing after clay brick, load-bearing concrete and non-load-bearing concrete waste and on-the-spot remaining solid waste gathering, form the first material of regeneration concrete; To just expect to mix in the ratio of 2: 8～7: 3 with dirt, form the regeneration concrete material.Dirt is that the slaked lime after calcium lime powder or slaking and clay are mixed to the rear another kind of compound formed in 2: 8～3: 7 ratios commonly used.The purpose that the first material of regeneration concrete and dirt are mixed in proportion rear use has: 1, reduce production costs; 2, the performance of stable regeneration concrete material.3, in the straw regeneration concrete brick and building block after moulding, the levigate material in the first material of regeneration concrete, due to the activation recovering of its material, and the silicon-dioxide in dirt forms the hydrated silicate crystal, formation intensity and water resisting property; And in dirt, surface-active action by lime and clay, unslaked lime or slaked lime, with silicon-dioxide or the material combinations such as aluminium sesquioxide and ferric oxide in clay, generate Calucium Silicate powder, calcium aluminate and the calcium ferrite of adhesive bond, clay is cementing, make dirt that higher intensity and water resisting property be arranged.The regeneration concrete material formed thus is sclerosis gradually in long-term use procedure, improves constantly its intensity, forms well behaved straw regeneration concrete brick and building block together with stalk.
The difference of the present invention and prior art is: 1, in the production of stalk brick and building block, adopt stalk is carried out to anticorrosion pretreated method; 2, classified levigate by building castoff or be mixed and finely ground, being recovered the surfactivity of these materials, being formed the first material of regeneration concrete; Regeneration concrete is just expected to be mixed in proportion with dirt, form the regeneration concrete material; The regeneration concrete material is used in the production of stalk brick and building block; 3, adopt and utilize the material surface active function in the regeneration concrete material, to the method through anticorrosion pretreated stalk extrusion forming after fixing, produce straw regeneration concrete brick and building block.
Further launch the present invention below in conjunction with specific embodiment.
Embodiment 1; The straw that is cut into 0.5cm to 10cm segment is soaked to drop after a day in liming to be gone out; Levigate clay brick material, load-bearing concrete material, non-load-bearing concrete material are just expected by weight being mixed to form regeneration concrete at 1: 1: 2, then, after the ratio of 4: 6 mixed by weight with 2: 8 dirt, form the regeneration concrete material; After the straw that drop goes out and the regeneration concrete material ratio of 6: 4 by volume stir, add in mould and carry out the demoulding after cure under pressure, produce straw regeneration concrete brick and building block.
Embodiment 2; Soaking one and half rear drops in the potassium sorbate solution that is 0.7% in concentration by the maize straw that is cut into the segment of 0.5cm to 5cm goes out, it is levigate after clay brick, load-bearing concrete, non-load-bearing concrete and on-the-spot remaining solid waste are directly mixed, forming regeneration concrete just expects, after the ratio of 3: 7 mixed by weight with 2: 8 dirt, form the regeneration concrete material; After the maize straw that drop goes out and the regeneration concrete material ratio of 6: 4 by volume stir, add in mould and carry out the demoulding after cure under pressure, produce straw regeneration concrete brick and building block.
Embodiment 3; After being pressurizeed 8 hours in the closed cabinet of sulfur dioxide gas, takes out straw, be cut into the segment of 0.5cm to 10cm, through trickle moistening evenly after and after the regeneration concrete material ratio of 6: 4 by volume in embodiment 1 stirs, add in mould and carry out the demoulding after cure under pressure, produce straw regeneration concrete brick and building block.
Embodiment 4; After being pressurizeed 10 hours in the closed cabinet of carbon dioxide, takes out sunflower stalk, be cut into the segment of 0.5cm to 3cm, through trickle moistening evenly after and after the regeneration concrete material ratio of 6: 4 by volume in embodiment 2 stirs, add in mould and carry out the demoulding after cure under pressure, produce straw regeneration concrete brick and building block.
Separately it should be noted that:
1, the requirement that the said regeneration concrete material of the present invention has humidity, its standard is requirement commonly used in engineering, the straw regeneration concrete material be stirred is held together with hand, can crush up, and falls the requirement that can scatter on the ground.
2,, according to the difference of stalk kind, the antiseptic time is also different.
3, in building waste, discarded clay brick and on-the-spot load-bearing concrete and non-load-bearing concrete are classified levigate after collecting, in the process of recovering to be mixed in proportion after the surfactivity of these materials, can according to the different quantities of three kinds of raw materials collecting the number, and the strength grade requirement of producing straw regeneration concrete brick and building block, form the just ratio mixed relationship of material of regeneration concrete.
4,, in the preparation process that load-bearing concrete is just expected, need to carry out the aggregate of concrete material and separating of fines by prior art.After separation, aggregate is applied in addition.
Claims (5)
1. the production method of straw regeneration concrete brick and building block, the steps include:
(1) stalk is cut into to the segment of long 0.5cm～10cm;
(2) stalk that will be cut into segment is used in the anti-corrosion method soaked in lime aqueous solution or potassium sorbate aqueous solution, or preserving method carries out anticorrosion pre-treatment in the carbon dioxide of pressurization closed;
(3) after the stalk after rotproofing and the regeneration concrete material ratio of 3: 7 by volume～8: 2 are stirred, add in mould and carry out the demoulding after cure under pressure, produce straw regeneration concrete brick and building block.
2. the production method of straw regeneration concrete brick according to claim 1 and building block, it is characterized in that: the stalk that will be cut into segment, after soaking in liming, drop goes out, after stirring with the regeneration concrete material ratio of 4: 6 by volume～7: 3, add in mould and carry out the demoulding after cure under pressure, produce straw regeneration concrete brick and building block.
3. the production method of straw regeneration concrete brick according to claim 1 and building block, is characterized in that: soak drop after 4～48 hours in the potassium sorbate solution that the stalk that will be cut into segment is 0.2～2.5% in concentration and go out; Clay brick, load-bearing concrete, non-load-bearing concrete that classification is levigate mix by weight 1: 0.5～4.5: 0.5～5.5, or levigate after clay brick, load-bearing concrete, non-load-bearing concrete and on-the-spot remaining solid waste are directly mixed, forming regeneration concrete just expects, after the ratio of 2: 8～7: 3 mixed by weight with 2: 8 dirt, form the regeneration concrete material; After the stalk that drop goes out and the regeneration concrete material ratio of 4: 6 by volume～7: 3 stir, add in mould and carry out the demoulding after cure under pressure, produce straw regeneration concrete brick and building block; 2: 8 dirt is that the slaked lime after calcium lime powder or slaking and clay are mixed to the rear another kind of compound formed in 2: 8 ratios commonly used in engineering.
4. the production method of straw regeneration concrete brick according to claim 1 and building block, it is characterized in that: after sunflower stalk is pressurizeed 6～24 hours in the closed cabinet of carbon dioxide, take out, be cut into the segment of 0.5cm～3cm, through trickle moistening evenly after, after stirring with the regeneration concrete material ratio of 4: 6 by volume～7: 3, add in mould and carry out the demoulding after cure under pressure, produce straw regeneration concrete brick and building block.
5. the production method of straw regeneration concrete brick according to claim 1 and building block, is characterized in that described stalk is: straw, or rice straw, or millet stalk, perhaps sorghum stalk, or cornstalk, or Cotton Stalk, perhaps soya bean stalk, or sunflower stalk, or sugarcane stem.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102597600A CN102424539B (en) | 2011-08-31 | 2011-08-31 | Production method of straw regeneration concrete brick and building block |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102597600A CN102424539B (en) | 2011-08-31 | 2011-08-31 | Production method of straw regeneration concrete brick and building block |
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| CN102424539A CN102424539A (en) | 2012-04-25 |
| CN102424539B true CN102424539B (en) | 2013-12-25 |
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| CN2011102597600A Expired - Fee Related CN102424539B (en) | 2011-08-31 | 2011-08-31 | Production method of straw regeneration concrete brick and building block |
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| CN103304196A (en) * | 2013-07-03 | 2013-09-18 | 内蒙古大学 | Preparation method of prefabricated cement block taking waste plant fiber powder as filler |
| CN105130309A (en) * | 2015-09-27 | 2015-12-09 | 常州市奥普泰科光电有限公司 | Preparation method of environment friendly brick |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1532225A (en) * | 2003-03-19 | 2004-09-29 | 孙玉宽 | Building material produced mainly from stalk and its preparing method |
| CN1541971A (en) * | 2003-11-05 | 2004-11-03 | 陈明轩 | Light weight wall board or wall building block and manufacturing method thereof |
| CN101301765A (en) * | 2007-05-08 | 2008-11-12 | 马小冈 | Method for manufacturing stalk brick |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1532225A (en) * | 2003-03-19 | 2004-09-29 | 孙玉宽 | Building material produced mainly from stalk and its preparing method |
| CN1541971A (en) * | 2003-11-05 | 2004-11-03 | 陈明轩 | Light weight wall board or wall building block and manufacturing method thereof |
| CN101301765A (en) * | 2007-05-08 | 2008-11-12 | 马小冈 | Method for manufacturing stalk brick |
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| CN102424539A (en) | 2012-04-25 |
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