CN1644554A - Porous concrete blocks and their production from flyash and other industrial waste slags - Google Patents

Porous concrete blocks and their production from flyash and other industrial waste slags Download PDF

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Publication number
CN1644554A
CN1644554A CNA2004101004928A CN200410100492A CN1644554A CN 1644554 A CN1644554 A CN 1644554A CN A2004101004928 A CNA2004101004928 A CN A2004101004928A CN 200410100492 A CN200410100492 A CN 200410100492A CN 1644554 A CN1644554 A CN 1644554A
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CN
China
Prior art keywords
flyash
cement
water
perforated brick
brick
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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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CNA2004101004928A
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Chinese (zh)
Inventor
周志宏
徐金山
陈勋
张建海
巴焕仁
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Individual
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Individual
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Priority to CNA2004101004928A priority Critical patent/CN1644554A/en
Publication of CN1644554A publication Critical patent/CN1644554A/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

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  • Processing Of Solid Wastes (AREA)

Abstract

A concrete perforated brick and its production by fly-ash and other industrial waste slag are disclosed. The concrete consists of cement above common silicon 325# 15-25, fly-ash 10-25, other industrial waste slag 45-75, sand 0-15, additive (triethanolamine and sodium sulfate) 0.075-0.125, and water 10-18. The produced concrete perforated brick accords to standard with fly-ash and industrial waste slag above 70%. It achieves building and constructing requirement, and good economic and social effect.

Description

The concrete perforated brick and the preparation technology that utilize flyash and other industrial residue to produce
Technical field
The present invention relates to a kind of raw material and technology of producing concrete perforated brick, relate in particular to a kind of concrete perforated brick and preparation technology who utilizes flyash and other industrial residue to produce, belong to building materials technology field.
Technical background
Flyash, calcium enriched cyclone-furnace slag, slag, stone quarry mine tailings etc. are the industrial residues that discharging is produced in generating, metallurgy, quarrying etc., and the annual bed drain purge of China reaches more than several hundred million tons, and it not only takies a large amount of soils, and serious environment pollution.
China is in world lead level to the research and utilization of flyash equal industrial residue, utilizes it to produce cement, repairs the roads, and concrete admixture and relevant building material product etc. have been in the on probation and popularization stage of industry.But, how can be a large amount of, effectively utilize flyash equal industrial residue, and strive progressively digesting the flyash equal industrial residue that storage has reached tens tons, then need people to open up thinking, study the new approach that utilizes.
Summary of the invention
Purpose of the present invention, both provided and a kind ofly utilized flyash and other industrial residue to replace part cement and gather materials, and can make the concrete perforated brick requirement that is up to state standards, its industrial residue utilization rate reaches more than 70%, produces the material component and the technology of concrete perforated brick.
Technical scheme of the present invention is as follows:
The material component and the ratio of quality and the number of copies of concrete perforated brick are as follows:
The cement 15~25 that general silicon 325# is above
Flyash 10~25
Other industrial residues 45~75
Sand 0-15
Admixture (triethanolamine, sodium sulfate) 0.075-0.125
Water 10-18
Utilize the processing step of flyash and other industrial residue production concrete perforated brick as follows:
(1), concrete preparation:
1. predetermined amounts drops into flyash and other industrial residues;
2. in the stirrer that drops into above-mentioned material, drop into the sand of predetermined amount again;
3. opened stirrer 1~3 minute;
4. in opening stirred materials, drop into the cement of predetermined amount;
5. opened stirrer 1~3 minute;
6. add predetermined amount and dissolved in the water of admixture, start was simultaneously stirred 3~5 minutes;
(2), high frequency pressurization vibrating forming:
1. the material that stirs drops into the brick equipment storage bin;
2. put into mould;
3. the pressurization vibrations are 25~45 seconds;
4. the demoulding;
(3), maintenance:
1. kiln is put, gone into to the perforated brick that extrusion forming is good on the shelf, quiet stop 2~5 hours after, make kiln temperature rise to 75~85 when spending, constant temperature 6~12 hours;
2. the perforated brick behind the thermostatic curing is lowered the temperature naturally;
3. piling stacking, water seasoning 28 days.
Advantageous effect of the present invention is:
By material component and the technology of utilizing the concrete perforated brick of flyash and the production of other industrial residue provided by the invention, the concrete perforated brick of being produced, every performance index are pressed JC943 " concrete perforated brick "-2004 standard test, conclusion is: strength grade MU15, quality levels such as its outward appearance, size deviation, frost resistance, dry shrinkage, relative moisture content, radioactive element content, anti-permeability performance meet this standard technique regulation.
Above-mentioned assay shows, by technology provided by the invention, when flyash and other industrial residue total amount account for 70% when above, makes the every performance index of concrete perforated brick and all meets JC943 concrete perforated brick standard acceptable end product technical requirement.Be a kind of novel wall material, satisfy the requirement of building, construction fully, its market outlook are wide.For new effective way has been opened up in the comprehensive utilization of flyash and other industrial residue, its remarkable in economical benefits, social benefit is outstanding.
Embodiment
According to the up-to-date building material industry concrete perforated brick acceptable end product standard JC943-2004 of the People's Republic of China (PRC), trust Liaoning Province material of construction supervision and inspection institute is detected every technical indicator of concrete perforated brick of the present invention, and detected result is as shown in the table:
Liaoning Province material of construction supervision and inspection institute
Survey report (data page)
No:04QW537
Sequence number Interventions Requested Measure unit Standard-required (acceptable end product) Assay The individual event conclusion
1 Specification Minimum outer wall thickness mm ≥15 15 Qualified
Riblet is thick mm ≥10 15
Size deviation Long mm ±1 -1
Wide mm ±1 1
With mm ±1.5 -1,+1
2 Visual appearance Crooked mm ≤2 0 Qualified
Crack growth projection size accumulative total mm ≤0 0
The truncation arrisdefect Number Individual ≤0 0
The minimum value of three direction projection sizes mm ≤0 0
3 Strength grade Mean value MPa ≥15.0 17.1 Qualified
Minimum value MPa ≥12.0 13.8
4 Relative moisture content ≤40 36 Qualified
5 Hole is arranged Pass **** Rectangular opening or other hole shape Rectangular opening Qualified
Hole ratio ≥30 32
Hole is arranged **** More than bar face direction at least two rows 2 rows
6 Drying shrinkage <0.045 0.024 Qualified
7 Impervious mm ≤10 5 Qualified
8 Frost resistance Loss of strength ≤25 2 Qualified
Mass loss ≤5 1
9 Radioactivity IRa (internal radiation index) **** ≤1.0 0.2 Qualified
Ir (external radiation exposure index) **** ≤1.3 0.6
Be described in further detail content of the present invention below by specific embodiment.
Embodiment 1:
Utilize flyash, phosphogypsum and stone quarry mine tailings to produce concrete perforated brick:
One) material component and ratio of quality and the number of copies are as follows:
The cement 16 that general silicon 325# is above
Sand 10
Flyash 24
Phosphogypsum 2
Stone quarry mine tailings 48
Triethanolamine 0.08
Water 14
Two) production technique following steps:
1, concrete preparation:
(1) predetermined amounts drops into flyash, phosphogypsum and stone quarry mine tailings;
(2) sand of input predetermined amount;
(3) started stirrer 3 minutes;
(4) cement of input predetermined amount;
(5) start was stirred 2 minutes;
(6) water that dissolves in admixture of adding predetermined amount, start was simultaneously stirred 5 minutes.
2, high frequency pressurization vibrating forming:
The brick equipment that uses Quanzhou different mountain machinofacture company limited to produce carries out 35 seconds mould brick embryos of high frequency pressurization vibrations, after the moulding, the brick embryo is placed on the supporting plate, sends into curing kilns.
3, maintenance:
(1) brick that extrusion forming is good is put on the shelf, goes into kiln, quiet stopping 4 hours;
(2) make kiln temperature rise to 80 when spending, constant temperature 8 hours;
(3) brick after the maintenance is lowered the temperature naturally kiln discharge;
(4) piling is stacked, water seasoning in 28 days.
Embodiment 2:
Utilize flyash, slag, phosphogypsum and stone quarry mine tailings to produce concrete perforated brick:
One) material component and ratio of quality and the number of copies are as follows:
The cement 15 that general silicon 325# is above
Slag 25
Flyash 15
Phosphogypsum 2
Stone quarry mine tailings 43
Sodium sulfate 0.075
Water 12.6
Two) production technique following steps:
1, concrete preparation:
(1) predetermined amounts drops into flyash, phosphogypsum, slag and stone quarry mine tailings;
(2) started stirrer 2 minutes;
(3) cement of input predetermined amount;
(4) start was stirred 2 minutes;
(5) add the water that predetermined amount has dissolved in admixture, start was simultaneously stirred 5 minutes.
2, high frequency pressurization vibrating forming:
The brick equipment that uses Quanzhou different mountain machinofacture company limited to produce carries out 36 seconds mould brick embryos of high frequency pressurization vibrations, after the moulding, the brick embryo is placed on the supporting plate, sends into curing kilns.
3, maintenance:
(1) brick that machine-shaping is good is put on the shelf, goes into kiln, quiet stopping 5 hours;
(2) make kiln temperature rise to 82 when spending, constant temperature 9 hours;
(3) brick after the maintenance is lowered the temperature naturally kiln discharge;
(4) piling is stacked, water seasoning in 28 days.
Embodiment 3:
Utilize flyash, increase calcium slag production concrete perforated brick:
One) material component and ratio of quality and the number of copies are as follows:
The cement 20 that general silicon 325# is above
Increase calcium slag 60
Flyash 20
Triethanolamine 0.10
Water 18
Two) production technique following steps:
1, concrete preparation:
(1) predetermined amounts drops into flyash, increases the calcium slag;
(2) started stirrer 2 minutes;
(4) cement of input predetermined amount;
(5) start was stirred 2 minutes;
(6) add the water that predetermined amount has dissolved in admixture, start was simultaneously stirred 3 minutes.
2, high frequency pressurization vibrating forming:
The brick equipment that uses Quanzhou different mountain machinofacture company limited to produce carries out 37 seconds moving mould brick embryos of high frequency pressurization shake, after the moulding, the brick embryo is placed on the supporting plate, sends into curing kilns.
3, maintenance:
(1) brick that machine-shaping is good is put on the shelf, goes into kiln, quiet stopping 4 hours;
(2) make kiln temperature rise to 82 when spending, constant temperature 9 hours;
(3) brick after the maintenance is lowered the temperature naturally kiln discharge;
(4) piling is stacked, and it is foster to water in 28 days
Embodiment 4:
Utilize flyash, slag and phosphogypsum to produce concrete perforated brick:
One) material component and ratio of quality and the number of copies are as follows:
The cement 15 that general silicon 325# is above
Flyash 20
Slag 63
Phosphogypsum 2
Sodium sulfate 0.075
Water 14.7
Two) production technique following steps:
1, concrete preparation:
(1) predetermined amounts drops into slag and flyash;
(2) after predetermined amounts drops into phosphogypsum, stirred 2 minutes;
(3) cement of input predetermined amount;
(4) start was stirred 3 minutes;
(5) add the water that predetermined amount has dissolved in admixture, start was simultaneously stirred 5 minutes.
2, high frequency pressurization vibrating forming:
The brick equipment that uses Quanzhou different mountain machinofacture company limited to produce carries out 45 seconds mould brick embryos of high frequency pressurization vibrations, after the moulding, the brick embryo is placed on the supporting plate, sends into curing kilns.
3, maintenance:
(1) brick that machine-shaping is good is put on the shelf, goes into kiln, quiet stopping 5 hours;
(2) make kiln temperature rise to 80 when spending, constant temperature 9 hours;
(3) brick after the maintenance is lowered the temperature naturally kiln discharge;
(4) piling is stacked, and waters in 28 days and protects.
Embodiment 5:
Utilize flyash, increase calcium slag and phosphogypsum production concrete perforated brick:
One) material component and ratio of quality and the number of copies are as follows:
The cement 20 that general silicon 325# is above
Flyash 20
Sand 10
Increase calcium slag 48
Phosphogypsum 2
Triethanolamine 0.10
Water 16.8
Two) production technique following steps:
1, concrete preparation:
(1) the predetermined amounts input increases the calcium slag, sand and flyash;
(2) after predetermined amounts drops into phosphogypsum, stirred 2 minutes;
(3) cement of input predetermined amount;
(4) start was stirred 3 minutes;
(5) add the water that predetermined amount has dissolved in admixture, start was simultaneously stirred 5 minutes.
2, high frequency pressurization vibrating forming:
The brick equipment that uses Quanzhou different mountain machinofacture company limited to produce carries out 45 seconds mould brick embryos of high frequency pressurization vibrations, after the moulding, the brick embryo is placed on the supporting plate, sends into curing kilns.
3, maintenance:
(1) brick that machine-shaping is good is put on the shelf, goes into kiln, quiet stopping 4 hours;
(2) make kiln temperature rise to 80 when spending, constant temperature 8 hours;
(3) brick after the maintenance is lowered the temperature naturally kiln discharge;
(4) piling is stacked, and waters in 28 days and protects.
Embodiment: 6
Utilize flyash, slag to produce concrete perforated brick:
One) material component and ratio of quality and the number of copies are as follows:
The cement 15 that general silicon 325# is above
Flyash 15
Sand 15
Slag 55
Sodium sulfate 0.075
Water 12.6
Two) production technique following steps:
1, concrete preparation:
(1) predetermined amounts drops into slag, sand and flyash;
(2) start was stirred 2 minutes;
(3) cement of input predetermined amount;
(4) start was stirred 3 minutes;
(5) add the water that predetermined amount has dissolved in admixture, start was simultaneously stirred 5 minutes.
2, high frequency pressurization vibrating forming:
The brick equipment that uses Quanzhou different mountain machinofacture company limited to produce carries out 45 seconds mould brick embryos of high frequency pressurization vibrations, after the moulding, the brick embryo is placed on the supporting plate, sends into curing kilns.
3, maintenance:
(1) brick that machine-shaping is good is put on the shelf, goes into kiln, quiet stopping 4 hours;
(2) make kiln temperature rise to 85 when spending, constant temperature 8 hours;
(3) brick after the maintenance is lowered the temperature naturally kiln discharge;
(4) piling is stacked, and waters in 28 days and protects.
Embodiment: 7
Utilize flyash, mine tailings, increase calcium slag production concrete perforated brick:
One) material component and ratio of quality and the number of copies are as follows:
The cement 15 that general silicon 325# is above
Flyash 10
Mine tailings 35
Increase calcium slag 40
Triethanolamine 0.075
Water 10.5
Two) production technique following steps:
1, concrete preparation:
(1) predetermined amounts drops into slag and flyash;
(2) start was stirred 2 minutes;
(3) cement of input predetermined amount;
(4) start was stirred 3 minutes;
(5) add the water that predetermined amount has dissolved in admixture, start was simultaneously stirred 5 minutes.
2, high frequency pressurization vibrating forming:
The brick equipment that uses Quanzhou different mountain machinofacture company limited to produce carries out 45 seconds mould brick embryos of high frequency pressurization vibrations, after the moulding, the brick embryo is placed on the supporting plate, sends into curing kilns.
3, maintenance:
(1) brick that machine-shaping is good is put on the shelf, goes into kiln, quiet stopping 4 hours;
(2) make kiln temperature rise to 85 when spending, constant temperature 8 hours;
(3) brick after the maintenance is lowered the temperature naturally kiln discharge;
(4) piling is stacked, and waters in 28 days and protects.
Embodiment: 8
Utilize flyash, mine tailings to produce concrete perforated brick:
One) material component and ratio of quality and the number of copies are as follows:
The cement 25 that general silicon 325# is above
Flyash 10
Mine tailings 65
Sodium sulfate 0.125
Water 15.75
Two) production technique following steps:
1, concrete preparation:
(1) predetermined amounts drops into slag, sand and flyash;
(2) start was stirred 2 minutes;
(3) cement of input predetermined amount;
(4) start was stirred 3 minutes;
(5) add the water that predetermined amount has dissolved in admixture, start was simultaneously stirred 5 minutes.
2, high frequency pressurization vibrating forming:
The brick equipment that uses Quanzhou different mountain machinofacture company limited to produce carries out 45 seconds mould brick embryos of high frequency pressurization vibrations, after the moulding, the brick embryo is placed on the supporting plate, sends into curing kilns.
3, maintenance:
(1) brick that machine-shaping is good is put on the shelf, goes into kiln, quiet stopping 4 hours;
(2) make kiln temperature rise to 85 when spending, constant temperature 8 hours;
(3) brick after the maintenance is lowered the temperature naturally kiln discharge;
(4) piling is stacked, and waters in 28 days and protects.

Claims (10)

1, a kind of concrete perforated brick that utilizes flyash and other industrial residue to produce is characterized in that material component and ratio of quality and the number of copies are as follows:
The cement 15~25 that general silicon 325# is above
Flyash 10~25
Other industrial residues 45~75
Sand 0-15
Admixture (triethanolamine, sodium sulfate) 0.075-0.125
Water 10~18
2, a kind of concrete perforated brick that utilizes flyash and other industrial residue to produce according to claim 1 is characterized in that material component and ratio of quality and the number of copies are as follows:
The cement 16 that general silicon 325# is above
Sand 10
Flyash 24
Phosphogypsum 2
Stone quarry mine tailings 48
Admixture (triethanolamine, sodium sulfate) 0.08
Water 14
3, a kind of concrete perforated brick that utilizes flyash and other industrial residue to produce according to claim 1 is characterized in that material component and ratio of quality and the number of copies are as follows:
The cement 15 that general silicon 325# is above
Flyash 15
Slag 25
Phosphogypsum 2
Stone quarry mine tailings 43
Admixture (triethanolamine, sodium sulfate) 0.075
Water 12.6
4, a kind of concrete perforated brick that utilizes flyash and other industrial residue to produce according to claim 1 is characterized in that material component and ratio of quality and the number of copies are as follows:
The cement 20 that general silicon 325# is above
Increase calcium slag 60
Flyash 20
Admixture (triethanolamine, sodium sulfate) 0.1
Water 18.0
5, a kind of flyash and other industrial residue of utilizing according to claim 1 produced concrete perforated brick, it is characterized in that material component and ratio of quality and the number of copies are as follows:
The cement 15 that general silicon 325# is above
Flyash 20
Slag 63
Phosphogypsum 2
Admixture (triethanolamine, sodium sulfate) 0.075
Water 14.7
6, a kind of concrete perforated brick that utilizes flyash and other industrial residue to produce according to claim 1 is characterized in that material component and ratio of quality and the number of copies are as follows:
The cement 20 that general silicon 325# is above
Flyash 20
Sand 10
Increase calcium slag 48
Phosphogypsum 2
Admixture (triethanolamine, sodium sulfate) 0.10
Water 16.8
7, a kind of concrete perforated brick that utilizes flyash and other industrial residue to produce according to claim 1 is characterized in that material component and ratio of quality and the number of copies are as follows:
The cement 15 that general silicon 325# is above
Flyash 15
Sand 15
Slag 55
Admixture (triethanolamine, sodium sulfate) 0.075
Water 12.6
8, a kind of concrete perforated brick that utilizes flyash and other industrial residue to produce according to claim 1 is characterized in that material component and ratio of quality and the number of copies are as follows:
The cement 15 that general silicon 325# is above
Flyash 10
Mine tailings 35
Increase calcium slag 40
Add agent (triethanolamine, sodium sulfate) 0.075
Water 10.5
9, a kind of concrete perforated brick that utilizes flyash and other industrial residue to produce according to claim 1 is characterized in that material component and ratio of quality and the number of copies are as follows:
The cement 25 that general silicon 325# is above
Flyash 10
Mine tailings 65
Admixture (triethanolamine, sodium sulfate) 0.125
Water 15.75
10, a kind of processing step that utilizes the concrete perforated brick that flyash and other industrial residue produce according to claim 1 is as follows:
(1), concrete preparation:
1. predetermined amounts drops into flyash and other industrial residues;
2. in the stirrer that drops into above-mentioned material, drop into the sand of predetermined amount again;
3. opened stirrer 1~3 minute;
4. in opening stirred materials, drop into the cement of predetermined amount;
5. start shooting stirrer 1~3 minute;
6. the water that dissolves in admixture that adds predetermined amount, start was simultaneously stirred 3~5 minutes;
(2), high frequency pressurization vibrating forming:
1. the material that stirs drops into the brick equipment storage bin;
2. put into mould;
3. the pressurization vibrations are 25~45 seconds;
4. the demoulding;
(3), maintenance:
1. kiln is put, gone into to the perforated brick that extrusion forming is good on the shelf, quiet stop 2~5 hours after, make kiln temperature rise to 75~85 when spending, constant temperature 6~12 hours;
2. the perforated brick behind the thermostatic curing is lowered the temperature naturally;
3. piling stacking, water seasoning 28 days.
CNA2004101004928A 2004-12-28 2004-12-28 Porous concrete blocks and their production from flyash and other industrial waste slags Pending CN1644554A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNA2004101004928A CN1644554A (en) 2004-12-28 2004-12-28 Porous concrete blocks and their production from flyash and other industrial waste slags

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNA2004101004928A CN1644554A (en) 2004-12-28 2004-12-28 Porous concrete blocks and their production from flyash and other industrial waste slags

Publications (1)

Publication Number Publication Date
CN1644554A true CN1644554A (en) 2005-07-27

Family

ID=34869589

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2004101004928A Pending CN1644554A (en) 2004-12-28 2004-12-28 Porous concrete blocks and their production from flyash and other industrial waste slags

Country Status (1)

Country Link
CN (1) CN1644554A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101830724A (en) * 2009-03-13 2010-09-15 天津市义德新型建筑材料有限公司 Perforated brick made of fly ash and preparation process thereof
CN103113074A (en) * 2012-11-30 2013-05-22 南京梅山海强新型建材有限公司 Nonbearing concrete hollow brick manufactured by utilizing industrial solid wastes and processing method thereof
CN103286846A (en) * 2013-05-20 2013-09-11 成都芙蓉新型建材有限公司 Manufacturing process of concrete-composited self-heat-insulating blocks
CN103290973A (en) * 2013-05-20 2013-09-11 成都芙蓉新型建材有限公司 Concrete compound self-heat-preservation building block and manufacturing process thereof
CN103883065A (en) * 2014-03-17 2014-06-25 曹日谦 Environment-friendly hollow wall brick and preparation method of hollow wall brick
CN107056152A (en) * 2017-03-29 2017-08-18 合肥天沃能源科技有限公司 A kind of energy-saving building brick and preparation method thereof
CN109020331A (en) * 2018-09-05 2018-12-18 芜湖强超建筑材料有限公司 It is a kind of non-burning brick and preparation method thereof
CN109080234A (en) * 2018-08-20 2018-12-25 贺州学院 A kind of high strength light concrete prefabricated board
CN109513726A (en) * 2018-11-28 2019-03-26 东莞理工学院 A kind of steel slag recycling and reusing system and method

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101830724A (en) * 2009-03-13 2010-09-15 天津市义德新型建筑材料有限公司 Perforated brick made of fly ash and preparation process thereof
CN103113074A (en) * 2012-11-30 2013-05-22 南京梅山海强新型建材有限公司 Nonbearing concrete hollow brick manufactured by utilizing industrial solid wastes and processing method thereof
CN103286846A (en) * 2013-05-20 2013-09-11 成都芙蓉新型建材有限公司 Manufacturing process of concrete-composited self-heat-insulating blocks
CN103290973A (en) * 2013-05-20 2013-09-11 成都芙蓉新型建材有限公司 Concrete compound self-heat-preservation building block and manufacturing process thereof
CN103290973B (en) * 2013-05-20 2015-05-27 成都芙蓉新型建材有限公司 Manufacturing process for concrete compound self-heat-preservation building block
CN103286846B (en) * 2013-05-20 2015-05-27 成都芙蓉新型建材有限公司 Manufacturing process of concrete-composited self-heat-insulating blocks
CN103883065A (en) * 2014-03-17 2014-06-25 曹日谦 Environment-friendly hollow wall brick and preparation method of hollow wall brick
CN107056152A (en) * 2017-03-29 2017-08-18 合肥天沃能源科技有限公司 A kind of energy-saving building brick and preparation method thereof
CN109080234A (en) * 2018-08-20 2018-12-25 贺州学院 A kind of high strength light concrete prefabricated board
CN109080234B (en) * 2018-08-20 2020-09-22 贺州学院 High-strength lightweight concrete prefabricated slab
CN109020331A (en) * 2018-09-05 2018-12-18 芜湖强超建筑材料有限公司 It is a kind of non-burning brick and preparation method thereof
CN109513726A (en) * 2018-11-28 2019-03-26 东莞理工学院 A kind of steel slag recycling and reusing system and method

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