CN103833290A - Baking-free brick prepared from foamed cement waste and preparation method for baking-free brick - Google Patents
Baking-free brick prepared from foamed cement waste and preparation method for baking-free brick Download PDFInfo
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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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Abstract
The invention discloses a building brick and a production method for the same, and in particular relates to a baking-free brick prepared from foamed cement waste and a preparation method for the baking-free brick. The baking-free brick is prepared from the raw materials in parts by weight: 40 to 90 parts of foamed cement waste, 0 to 50 parts of fly ash, 8 to 12 parts of iron tailing sand and 10 to 20 parts of water, wherein the fly ash can be replaced by a mixture of slag or steel slag, limestone powder, and (or) flue gas desulphurization gypsum or iron tailing slag and cement. The preparation method comprises the following steps of preparing a blank, forming a green body and curing the green body, specifically metering and uniformly stirring the raw material and the water at the ratio, obtaining the blank after aging, processing the blank to form the green body by using a hydraulic press, curing the formed green body in a curing room, and naturally drying the green body at normal temperature to obtain a baking-free brick finished product. According to the baking-free brick and the preparation method, the foamed cement waste is fully utilized, so that land occupation and environmental pollution are reduced, the production cost is lowered, and economic benefits are improved; the production method is convenient to operate; and the produced baking-free brick is strong in compressive strength.
Description
Technical field
The present invention relates to a kind of composition brick and production method thereof, specifically a kind of utilize prepared by foam cement waste material non-burning brick and preparation method thereof.
Background technology
In prior art common have utilize flyash, building waste to produce non-burning brick report for building, in known brick-making technology, non-burning brick referring to utilizes flyash, cinder, coal gangue, mine tailings, residue of chemical industry or natural sand, tidal land mud etc. (one or several of above raw material) as main raw material, add by a certain percentage admixture, a kind of New wall brick of manufacturing without high-temperature calcination.As disclosing a kind of " prepared by employing building waste non-burning brick " his raw material, Chinese patent CN100488911C gets by weight building waste 65-70 part, compound 30-35 part, and all the other are admixture.Although it utilizes industrial residue, to realize refuse reclamation, but still belonged to the scope of adding admixture brickmaking, production cost height also has the hidden danger of contaminate environment.
Foam cement waste material is the variation of raw-material fluctuation and production environment temperature in the production process of foam cement plate, has unavoidably the phenomenon of collapse mould and the insufficient height of getting angry, and causes product abandonment; Unnecessary part on cutting die before the demoulding; The scrap stock that cutting produces in the time of construction; Owing to preserving and the improper damage that causes foam cement plate of form of construction work, become waste material.At present these waste materials do not have good treatment process, can only bulk deposition, not only cause the waste of material, and also take a large amount of land resources, therefore not only can overcome the above problems the recycling of these waste materials, also there is great economic worth.
Summary of the invention
Goal of the invention of the present invention is the many deficiencies for prior art, and in order to utilize to greatest extent foam cement waste material, one is to provide a kind of prepared by foam cement waste material non-burning brick that utilize, and two are to provide a kind of foam cement waste material that utilizes prepares non-burning brick method.
Realize above-mentioned purpose by the following technical solutions:
A kind ofly utilize prepared by foam cement waste material non-burning brick, the described non-burning brick raw material by following weight proportioning is made: 40～90 parts, foam cement waste material, 0～50 part, flyash, 8～12 parts, iron tailings sand, 10～20 parts, water.
Further, the particle diameter≤0.075mm of flyash.
Further, the particle diameter≤1.5mm of iron tailings sand.
Further, the mixture replacing of slag or slag and stone flour and (or) desulfurated plaster or iron tailings granulated slag, cement for described flyash.
Further, the mixture of described alternative flyash is according to parts by weight meter, 10～20 parts, the slag that comprises particle diameter≤0.075mm or slag, 5～10 parts of the stone flour of particle diameter≤0.15mm and (or) desulfurated plaster or iron tailings granulated slags, 2～4 parts of the cement of particle diameter≤0.075mm.
Utilize foam cement waste material to prepare a non-burning brick method, it is characterized in that, comprise the steps:
A. prepare blank: get 40～90 parts, foam cement waste material according to parts by weight, 0～50 part, flyash, 8～12 parts, iron tailings sand, adds water mixing of materials 10～20 parts and stirs, and after 4 hours ageing mixtures, obtaining can be for the blank of pressure forming;
B. blank forming: mix and be shaped to base substrate through the blank hydropress of ageing mixture above-mentioned, the typed pressure of base substrate is 20MPa～30MPa, and compression rate is 0～5KN/s;
C. maintenance: 20 ± 1 DEG C of temperature, in the curing room of humidity 90 ± 1%, maintenance is taken out for 28 days, then seasoning obtains finished bricks at normal temperatures by base substrate after moulding.
Further, described flyash mixture replacing, described mixture is according to parts by weight meter, 10～20 parts, the slag that comprises particle diameter≤0.075mm or slag, 5～10 parts of the stone flour of particle diameter≤0.15mm and (or) desulfurated plaster or iron tailings granulated slags, 2～4 parts of the cement of particle diameter≤0.075mm.
Further, in the time that flyash is used mixture replacing, prepare non-burning brick method and be:
A. prepare blank: get 40～90 parts, foam cement waste material according to parts by weight, 0～50 part, the flyash of particle diameter≤0.075mm, 15～35 parts, mixture, 8～12 parts, iron tailings sand, mixing of materials is added water 10～20 parts and stirred, and after 4 hours ageing mixtures, obtaining can be for the blank of pressure forming;
B. blank forming: mix and be shaped to base substrate through the blank hydropress of ageing mixture above-mentioned, the typed pressure of base substrate is 20～30MPa, and compression rate is 0～5KN/s;
C. maintenance: 20 ± 1 DEG C of temperature, in the curing room of humidity 90 ± 1%, maintenance 28 days is taken out by base substrate after moulding, then seasoning at normal temperatures to obtain ultimate compression strength be that 7.5～29.6MPa finished product is non-burning brick;
Adopt technique scheme, compared with prior art, the present invention utilizes foam cement waste material pressurization preparation non-burning brick, foam cement waste material is turned waste into wealth, reduce appropriation of land and the pollution to environment, its significant effect is, need not add any admixture with foam cement waste material pressurization preparation is non-burning brick, utilize hydrated product in foam cement waste material system just can meet production requirement for nucleus of crystal promotes the synergy that hydrated cement particle does not continue to occur between hydration reaction and material hydration reaction, reduce production cost, improve economic benefit.Production method of the present invention is easy to operate, and the non-burning brick ultimate compression strength of producing, up to 30MPa, has realized and at utmost utilized waste material, produces the object of the composition brick that meets national standard.
Specific embodiment
Below in conjunction with specific embodiment, the present invention will be further described.
Disclosed by the invention is a kind of utilize prepared by foam cement waste material non-burning brick and preparation method thereof, its invention thought is: with the variation due to raw-material fluctuation and production environment temperature in the production process of foam cement plate, the discarded foam cement waste material producing is main raw material, is equipped with flyash and the special technique of iron tailings sand utilization is produced non-burning brick.Specific embodiment is as follows:
Embodiment 1
According to parts by weight: get 40 parts of foam cement board waste materials, 50 parts, particle diameter≤0.075mm flyash, 10 parts, particle diameter≤1.5mm iron tailings sand, adds water 15 parts, and by stirring after proportioning metering, after 4 hours ageing mixtures, obtaining can be for the blank of pressure forming.Mix and adopt hydropress to be shaped to base substrate through the blank of ageing mixture above-mentioned, the typed pressure of base substrate is 20MPa, and compression rate is 0～5KN/s.By base substrate after moulding 20 ± 1 DEG C of temperature, maintenance 28 days in the curing room of humidity 90 ± 1%, then seasoning at normal temperatures to obtain finished product non-burning brick.
After testing, get foam cement waste material be 40 parts, 50 parts, flyash, 10 parts, iron tailings sand, add water 15 parts according to parts by weight, non-burning brick ultimate compression strength is 12.7MPa.
Embodiment 2
Get by weight 40 parts of foam cement waste material weight, 50 parts, the flyash of particle diameter≤0.075mm, 12 parts, the iron tailings sand of particle diameter≤1.5mm, adds water 10 parts, and by stirring after proportioning metering, after 4 hours ageing mixtures, obtaining can be for the blank of pressure forming.Mix and adopt hydropress to be shaped to base substrate through the blank of ageing mixture above-mentioned, the typed pressure of base substrate is 20MPa, and compression rate is 0～5KN/s.By base substrate after moulding 20 ± 1 DEG C of temperature, maintenance 28 days in the curing room of humidity 90 ± 1%, then seasoning at normal temperatures to obtain finished product non-burning brick.
After testing, while getting by weight 10 parts, 40 parts, cement waste material, 50 parts, flyash, 12 parts, iron tailings sand, water, non-burning brick ultimate compression strength is 7.5MPa.
Embodiment 3
Get by weight 70 parts of foam cement waste material weight, 20 parts, the flyash of particle diameter≤0.075mm, 10 parts, the iron tailings sand of particle diameter≤1.5mm, adds water 20 parts, and by stirring after proportioning metering, after 4 hours ageing mixtures, obtaining can be for the blank of pressure forming.Mix and adopt hydropress to be shaped to base substrate through the blank of ageing mixture above-mentioned, the typed pressure of base substrate is 20MPa, and compression rate is 0～5KN/s.By base substrate after moulding 20 ± 1 DEG C of temperature, maintenance 28 days in the curing room of humidity 90 ± 1%, then seasoning at normal temperatures to obtain finished product non-burning brick.
After testing, get by weight 70 parts, cement waste material, 20 parts, flyash, 10 parts, iron tailings sand, add water 20 parts, non-burning brick ultimate compression strength is 22.4MPa.
Embodiment 4
Get by weight 90 parts, foam cement waste material, 10 parts, the flyash of particle diameter≤0.075mm, 10 parts, the iron tailings sand of particle diameter≤1.5mm, adds water 15 parts, and by stirring after proportioning metering, after 4 hours ageing mixtures, obtaining can be for the blank of pressure forming.Mix and adopt hydropress to be shaped to base substrate through the blank of ageing mixture above-mentioned, the typed pressure of base substrate is 30MPa, and compression rate is 0～5KN/s.By base substrate after moulding 20 ± 1 DEG C of temperature, maintenance 28 days in the curing room of humidity 90 ± 1%, then seasoning at normal temperatures to obtain finished product non-burning brick.
After testing, get by weight 90 parts, cement waste material, 10 parts, flyash, 10 parts, iron tailings sand, add water 15 parts, non-burning brick ultimate compression strength is up to 29.6MPa.
Embodiment 5
Get by weight 52 parts, foam cement waste material, 20 parts, the flyash of particle diameter≤0.075mm, 10 parts, the iron tailings sand of particle diameter≤1.5mm, part substitutes 3 parts of the cement of 5 parts of stone flours, the particle diameter≤0.075mm of 10 parts, slag getting by weight particle diameter≤0.075mm in mixture of fly ash, particle diameter≤0.15mm, add water 15 parts, by stirring after proportioning metering, after 4 hours ageing mixtures, obtaining can be for the blank of pressure forming; Mix and adopt hydropress to be shaped to base substrate through the blank of ageing mixture above-mentioned, the typed pressure of base substrate is 20MPa, and compression rate is 0～5KN/s.By base substrate after moulding 20 ± 1 DEG C of temperature, maintenance 28 days in the curing room of humidity 90 ± 1%, then seasoning at normal temperatures to obtain finished product non-burning brick.
After testing, get by weight, 52 parts, foam cement waste material, 20 parts, flyash, 10 parts, slag, 5 parts of stone flours, 3 parts of cement, 10 parts, iron tailings sand, add water 15 parts, non-burning brick ultimate compression strength is 16.6MPa.
Embodiment 6
Get by weight 52 parts, foam cement waste material, 20 parts, the flyash of particle diameter≤0.075mm, 10 parts, the iron tailings sand of particle diameter≤1.5mm, part substitute 5 parts of desulfurated plasters, the particle diameter≤0.075mm of 10 parts, slag getting by weight particle diameter≤0.075mm in mixture of fly ash, particle diameter≤0.15mm 3 parts of cement, add water 15 parts, by stirring after proportioning metering, after 4 hours ageing mixtures, obtaining can be for the blank of pressure forming; Mix and adopt hydropress to be shaped to base substrate through the blank of ageing mixture above-mentioned, the typed pressure of base substrate is 20MPa, and compression rate is 0～5KN/s.By base substrate after moulding 20 ± 1 DEG C of temperature, maintenance 28 days in the curing room of humidity 90 ± 1%, then seasoning at normal temperatures to obtain finished product non-burning brick.
After testing, get by weight, 52 parts, foam cement waste material, 20 parts, flyash, 10 parts, slag, 5 parts of desulfurated plasters, 3 parts of cement, add water 15 parts, non-burning brick ultimate compression strength is 18.3MPa.
Above-described embodiment has only been expressed one embodiment of the present invention, but can not therefore be interpreted as limitation of the scope of the invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (8)
1. one kind is utilized prepared by foam cement waste material non-burning brick, it is characterized in that,
The described non-burning brick raw material by following weight proportioning is made: 40～90 parts, foam cement waste material, 0～50 part, flyash, 8～12 parts, iron tailings sand, 10～20 parts, water.
2. according to claim 1ly utilize prepared by foam cement waste material non-burning brick, it is characterized in that the particle diameter≤0.075mm of flyash.
3. according to claim 1ly utilize prepared by foam cement waste material non-burning brick, it is characterized in that the particle diameter≤1.5mm of iron tailings sand.
4. according to claim 1ly utilize prepared by foam cement waste material non-burning brick, it is characterized in that, for described flyash, the mixture part of slag or slag and stone flour and (or) desulfurated plaster or iron tailings granulated slag, cement substitutes.
5. according to claim 4ly utilize prepared by foam cement waste material non-burning brick, it is characterized in that, described part substitutes the mixture of flyash according to parts by weight meter, 10～20 parts, the slag that comprises particle diameter≤0.075mm or slag, 5～10 parts of the stone flour of particle diameter≤0.15mm and (or) desulfurated plaster or iron tailings granulated slags, 2～4 parts of the cement of particle diameter≤0.075mm.
6. utilize foam cement waste material to prepare a non-burning brick method, it is characterized in that, comprise the steps:
A. prepare blank: get 40～90 parts, foam cement waste material according to parts by weight, 0～50 part, flyash, 8～12 parts, iron tailings sand, adds water mixing of materials 10～20 parts and stirs, and after 4 hours ageing mixtures, obtaining can be for the blank of pressure forming;
B. blank forming: mix and be shaped to base substrate through the blank hydropress of ageing mixture above-mentioned, the typed pressure of base substrate is 20MPa～30MPa, and compression rate is 0～5KN/s;
C. maintenance: 20 ± 1 DEG C of temperature, in the curing room of humidity 90 ± 1%, maintenance is taken out for 28 days, then seasoning obtains finished bricks at normal temperatures by base substrate after moulding.
7. the foam cement waste material that utilizes according to claim 6 is prepared non-burning brick method, it is characterized in that, described flyash part mixture replacing, described mixture is according to parts by weight meter, 10～20 parts, the slag that comprises particle diameter≤0.075mm or slag, 5～10 parts of the stone flour of particle diameter≤0.15mm and (or) desulfurated plaster or iron tailings granulated slags, 2～4 parts of the cement of particle diameter≤0.075mm.
8. the foam cement waste material that utilizes according to claim 6 is prepared non-burning brick method, it is characterized in that, in the time that flyash is used mixture replacing, prepares non-burning brick method and is:
A. prepare blank: get 40～90 parts, foam cement waste material according to parts by weight, 0～50 part, the flyash of particle diameter≤0.075mm, 15～35 parts, mixture, 8～12 parts, iron tailings sand, mixing of materials is added water 10～20 parts and stirred, and after 4 hours ageing mixtures, obtaining can be for the blank of pressure forming;
B. blank forming: mix and be shaped to base substrate through the blank hydropress of ageing mixture above-mentioned, the typed pressure of base substrate is 20～30MPa, and compression rate is 0～5KN/s;
C. maintenance: 20 ± 1 DEG C of temperature, in the curing room of humidity 90 ± 1%, maintenance 28 days is taken out by base substrate after moulding, then seasoning at normal temperatures to obtain ultimate compression strength be that 7.5～29.6MPa finished product is non-burning brick.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104402335A (en) * | 2014-11-14 | 2015-03-11 | 中国建筑材料科学研究总院 | High-strength concrete employing magnetized reduced roasted iron-beneficiation tailings as admixture |
| CN107056166A (en) * | 2017-05-27 | 2017-08-18 | 明光市泰丰新材料有限公司 | A kind of unburned roof tile of waterproof and preparation method |
| CN107216100A (en) * | 2017-06-20 | 2017-09-29 | 合肥慧林建材有限公司 | A kind of unburned pavior brick and preparation method |
| CN111172835A (en) * | 2020-02-18 | 2020-05-19 | 深圳市科建建设集团有限公司 | Manufacturing and mounting method of building energy-saving floor tile |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111172835A (en) * | 2020-02-18 | 2020-05-19 | 深圳市科建建设集团有限公司 | Manufacturing and mounting method of building energy-saving floor tile |
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