CN1040973C - Composite hollow silicate block and its producing method - Google Patents

Composite hollow silicate block and its producing method Download PDF

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Publication number
CN1040973C
CN1040973C CN94113766A CN94113766A CN1040973C CN 1040973 C CN1040973 C CN 1040973C CN 94113766 A CN94113766 A CN 94113766A CN 94113766 A CN94113766 A CN 94113766A CN 1040973 C CN1040973 C CN 1040973C
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CN
China
Prior art keywords
cement
flyash
powder
composite hollow
calcium chloride
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Expired - Lifetime
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CN94113766A
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Chinese (zh)
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CN1121904A (en
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邵振东
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Individual
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Individual
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Priority to CN94113766A priority Critical patent/CN1040973C/en
Publication of CN1121904A publication Critical patent/CN1121904A/en
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Publication of CN1040973C publication Critical patent/CN1040973C/en
Anticipated expiration legal-status Critical
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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
    • C04B28/18—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 containing mixtures of the silica-lime type
    • 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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  • 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)
  • Processing Of Solid Wastes (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

The present invention discloses composite hollow silicate block and a producing method thereof. At present, industrial waste, such as high mixed quantity fly ash, etc., is not used for making hollow building blocks. Raw materials comprise fly ash, coal slag, quicklime powder, gypsum powder, cement, calcium chloride, sodium chloride and a proper amount of water. During preparation, firstly, fly ash, coal slag, calcium chloride and sodium chloride are stirred in a forced stirring machine by adding water, and then, quicklime powder, gypsum powder, cement and water are added for continuous stirring. After discharge, the mixed materials are vibrated for forming by a block machine, and are naturally cured in the open air; the present invention has industrial application value.

Description

The preparation method of composite hollow silicate block
The present invention relates to a kind of preparation method of light wall material for building, more particularly relate to a kind of preparation method of composite hollow silicate block, this building block is to serve as a kind of light high strength hollow building block of main production with industrial waste flyash.
Up to now, aspect total utilization of PCA, do not see the report that industrial waste such as high blending flyash is made building block as yet.Flyash brick miscellaneous is no doubt a lot, but mostly be unable to do without spreading and punching press twice technology, spreading can improve the activity of flyash, but purchase rivet bucker because of need and increased investment, the impact molding moulding can improve the degree of compactness and the intensity of material, but increased the unit weight of material, the unit weight of flyash brick is generally all at 1200～1300kg/m 3More than.
The objective of the invention is to make full use of under the prerequisite of existing middle-size and small-size prefabricated components plant, only acquire a holllow building block shaper and can produce unit weight at 700 ± 50kg/m 3, the holllow building block of No. 75, label and No. 100.The volume of industrial waste reaches 80% in this building block.
The objective of the invention is to be achieved through the following technical solutions.
The preparation method of composite hollow silicate block of the present invention, by flyash, cinder, calcium lime powder, gypsum powder, cement, calcium chloride, sodium-chlor, it is formulated to add water, and the weight proportion of each component is: flyash 40-60%, cinder 20-40%, calcium lime powder 5-10%, gypsum powder 1-4%, cement 2-5%, calcium chloride 1-5%, sodium-chlor 1-3% adds suitable quantity of water.
The preparation composite hollow silicate block may further comprise the steps:
A) flyash, cinder, calcium chloride, sodium-chlor are mixed, add water and stir;
B) add calcium lime powder, gypsum powder, cement, water continuation stirring;
C) vibratory compaction;
D) open-air natural curing.
Described flyash is the original state wet-discharged coal ash, and calcium lime powder is fresh calcium lime powder, and fineness is 0.2mm, tails over less than 15%, and calcium chloride content is greater than 95%.Cement is the 425# ordinary Portland cement.
Cover black plastic film in the building block during natural curing in the open, natural temperature is not less than 10 ℃.
Holllow building block reduces because of load area, and the strength of materials is bigger, and general hollow rate is 45%, and the present invention is owing to adopting the compound exciting agent of being made up of sodium-chlor, calcium chloride, by the excitation of flyash more fully being improved the activity of flyash.In technology, adopt the activity that the secondary stirring of flyash is further improved flyash simultaneously, make flyash participate in the effect of intensity component to greatest extent, so only account at cement content under 5% the situation, flyash mixes and stirs holllow building block satisfied No. 75 and No. 100 concrete hollow block technical requirements that material is produced, but unit weight has only 700 ± 50kg/m 3, be a kind of less investment, cost is low, and the New Type Light-weight Wall Material of instant effect has arrived the industrial applications stage at present.
By the following examples the present invention is further described.
Embodiment:
With flyash 500kg, cinder 300kg, calcium chloride 40kg, sodium-chlor 20kg, add water 100kg, pour in the forced mixer and stirred 3 minutes,, improve flyash activity by the fly ash grain impact effect, then with calcium lime powder 80kg, gypsum powder 30kg, cement 40kg, water 100kg pour into and continue in the stirrer to stir 4 minutes, use block machine vibratory compaction after the discharging, open-air natural curing, in the above-mentioned materials, flyash is wet row's original state flyash, the cinder particle diameter requires less than holllow building block minimum wall thickness (MINI W.) 5mm, and stability is qualified, the fresh calcium lime powder of unslaked lime, and fineness is 0.2mm, tail over less than 15%, cement 425# ordinary Portland cement, calcium chloride require content greater than 95%, this holllow building block unit weight 750kg/m 3, the strength of materials is No. 200, hollow rate is 45%.

Claims (4)

1. the preparation method of a composite hollow silicate block is characterized in that by flyash, cinder, calcium lime powder, gypsum powder, cement, calcium chloride, sodium-chlor, and it is formulated to add water, and the weight proportion of each component is:
Flyash 40-60%, cinder 20-40%, calcium lime powder 5-10%, gypsum powder 1-4%, cement 2-5%, calcium chloride 1-5%, sodium-chlor 1-3% adds suitable quantity of water;
May further comprise the steps:
A) flyash, cinder, calcium chloride, sodium-chlor are mixed, add water and stir;
B) add calcium lime powder, gypsum powder, cement, water continuation stirring;
C) vibratory compaction;
D) open-air natural curing.
2. according to the preparation method of the composite hollow silicate block of claim 1, it is characterized in that flyash is the original state wet-discharged coal ash, calcium lime powder is fresh calcium lime powder, and fineness is 0.2mm, tails over less than 15%, and calcium chloride content is greater than 95%.
3. according to the preparation method of the composite hollow silicate block of claim 1, it is characterized in that cement is the 425# ordinary Portland cement.
4. according to the preparation method of the composite hollow silicate block of claim 1, cover black plastic film in the building block when it is characterized in that open-air natural curing, natural temperature is not less than 10 ℃.
CN94113766A 1994-10-26 1994-10-26 Composite hollow silicate block and its producing method Expired - Lifetime CN1040973C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN94113766A CN1040973C (en) 1994-10-26 1994-10-26 Composite hollow silicate block and its producing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN94113766A CN1040973C (en) 1994-10-26 1994-10-26 Composite hollow silicate block and its producing method

Publications (2)

Publication Number Publication Date
CN1121904A CN1121904A (en) 1996-05-08
CN1040973C true CN1040973C (en) 1998-12-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN94113766A Expired - Lifetime CN1040973C (en) 1994-10-26 1994-10-26 Composite hollow silicate block and its producing method

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CN (1) CN1040973C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100410202C (en) * 2006-11-07 2008-08-13 河北越洋新型保温建材有限公司 Steamed pressurized ash coal 300 volume density flame-endurable heat-insulating air-added concrete building block and its production method

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6780236B2 (en) * 2002-09-12 2004-08-24 Ronald Lee Barbour Settable composition containing sodium chloride
CN103396073B (en) * 2013-08-08 2014-12-03 太原钢铁(集团)有限公司 Utilization method for wetting fly ash with high ignition loss
CN107235696A (en) * 2017-06-13 2017-10-10 安徽筑园景新型建材科技有限公司 A kind of concrete building brick and preparation method thereof
CN108409270A (en) * 2018-02-08 2018-08-17 刘天屹 A kind of formula and processing technology on pre-cast building basis
CN110330275A (en) * 2019-07-03 2019-10-15 乐山市瑞祯建材有限公司 It is a kind of using industrial residue industrial silt be raw material distribution

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1043117A (en) * 1989-12-16 1990-06-20 湖北省电力试验研究所 Free of calcining and steam curing flyash brick and preparation method thereof
CN1054960A (en) * 1990-11-21 1991-10-02 彭华先 Utilize boiler smoke to produce the method for carbonized silicate building materials products
CN1024272C (en) * 1990-03-17 1994-04-20 山东建材学院 Alkaline dregs and powder coal ash bricks exempted from firing
CN1096500A (en) * 1994-04-13 1994-12-21 吉兆泰 A kind of prescription of fly-ash building-material and goods thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1043117A (en) * 1989-12-16 1990-06-20 湖北省电力试验研究所 Free of calcining and steam curing flyash brick and preparation method thereof
CN1024272C (en) * 1990-03-17 1994-04-20 山东建材学院 Alkaline dregs and powder coal ash bricks exempted from firing
CN1054960A (en) * 1990-11-21 1991-10-02 彭华先 Utilize boiler smoke to produce the method for carbonized silicate building materials products
CN1096500A (en) * 1994-04-13 1994-12-21 吉兆泰 A kind of prescription of fly-ash building-material and goods thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100410202C (en) * 2006-11-07 2008-08-13 河北越洋新型保温建材有限公司 Steamed pressurized ash coal 300 volume density flame-endurable heat-insulating air-added concrete building block and its production method

Also Published As

Publication number Publication date
CN1121904A (en) 1996-05-08

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