CN104628418A - Energy-saving and environmentally-friendly coal gangue lightweight brick and preparation method thereof - Google Patents

Energy-saving and environmentally-friendly coal gangue lightweight brick and preparation method thereof Download PDF

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Publication number
CN104628418A
CN104628418A CN201510044443.5A CN201510044443A CN104628418A CN 104628418 A CN104628418 A CN 104628418A CN 201510044443 A CN201510044443 A CN 201510044443A CN 104628418 A CN104628418 A CN 104628418A
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China
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parts
coal gangue
brick
energy
saving
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CN201510044443.5A
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Chinese (zh)
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朱安会
马洪章
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Anhui Xin Run Type Material Co Ltd
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Anhui Xin Run Type Material Co Ltd
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Priority to CN201510044443.5A priority Critical patent/CN104628418A/en
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Abstract

The invention discloses an energy-saving and environmentally-friendly coal gangue lightweight brick. The coal gangue lightweight brick is characterized by being prepared from the following raw materials in parts by weight: 50 to 60 parts of coal gangue, 5 to 7 parts of rice hull, 8 to 9 parts of Portland cement, 6 to 7.5 parts of shale, 11 to 13.5 parts of pumice, 2 to 4 parts of paper pulp waste liquid, 2.5 to 4 parts of sodium sulphide, 4.5 to 6.5 parts of sewage sludge, 2 to 3 parts of borax, 4 to 6 parts of gypsum powder, 7 to 9 parts of a modifier, and a proper amount of water. According to the energy-saving and environmentally-friendly coal gangue lightweight brick, the rice hull, the pumice and other components are added and matched with paper pulp waste liquid and other components with the foaming effect, so that the prepared product is porous, lightweight, and resource-saving; the modifier is added to achieve the light weight, insulation, sound absorbing and bacterium resisting effects, and therefore, the comprehensive performance of the coal gangue brick can be improved. A burning-free process is adopted, so that the coal and other resource wastes can be reduced, sulfur dioxide, hydrogen sulfide and other toxic gases generated by burning can be reduced, and thus, the environmental pollution is reduced. The brick is light, energy-saving, environmentally-friendly, low in water absorbing rate, fast to construct, and high in tensile strength.

Description

Coal gangue light cinder brick of a kind of energy-conserving and environment-protective and preparation method thereof
Technical field
The present invention relates to building material field, coal gangue light cinder brick of particularly a kind of energy-conserving and environment-protective and preparation method thereof.
Background technology
Due to the deterioration of world environments, annual Desertification will be engulfed some and be ploughed; Along with the fast development of economy, city constantly expands.Large stretch of good farmland is used for economic construction, and China's fired clay brick will dig up 25-30 ten thousand mu arable land every year.Land resources crisis has lighted red light.Development green structural material has arrived this stage not allowing to delay.Coal gangue is as one of maximum industrial solid castoff of China's quantity discharged.Add up in the whole nation at present to store up more than 30 hundred million tons, taken up an area about 1.2 × 104 hectares.And the quantity discharged of annual coal gangue is equivalent to about 10% of coal production then.Year discharge rate will be greater than 1.6 hundred million tons.Stack coal gangue and not only take a large amount of soil, and contaminate environment, affect life and the health of people.In addition, often there is spontaneous combustion in coal gangue hill, not only wastes energy, and produce volume of smoke and obnoxious flavour.Also can there is detonation in the coal gangue hill of spontaneous combustion, also can bring out avalanche and landslide under certain conditions, the Architectural Equipment directly near harm and personnel safety.
Employing coal gangue is made building block as main component instead of clay by the present invention, adds the composition that rice husk, float stone etc. are light porous, and coordinate spent pulping liquor etc. to have the composition of foaming effect, the product made has the feature of porous, lightweight; Add the properties-correcting agent that special process is made, there is lightweight, insulation, sound-absorbing, antibacterial effect, enhance the over-all properties of colliery wastes brick; The present invention carries out modification especially in technique, uses unburned technique, reduces the wastings of resources such as coal, reduces the toxic gas such as sulfurous gas, hydrogen sulfide that burning generates, decreases environmental pollution; The technique of compression moulding again, enhances the hardness of fragment of brick, improves mobility, improve workability simultaneously; The non-burning brick lightweight of the present invention, energy-conserving and environment-protective, water-intake rate are low, quick construction, have good tensile strength.
Summary of the invention
Coal gangue light cinder brick that the object of this invention is to provide a kind of energy-conserving and environment-protective and preparation method thereof.
In order to realize object of the present invention, the present invention is by following scheme implementation:
A coal gangue light cinder brick for energy-conserving and environment-protective, is made up of the raw material of following weight part: coal gangue 50-60, rice husk 5-7, Portland cement 8-9, shale 6-7.5, float stone 11-13.5, spent pulping liquor 2-4, sodium sulphite 2.5-4, municipal sludge 4.5-6.5, borax 2-3, terra alba 4-6, properties-correcting agent 7-9, water are appropriate;
Described properties-correcting agent is prepared from by the raw material of following weight part: sepiolite fibre 8-10, paper pulp tankage 13-15, Starso 1-1.5, light calcium carbonate powder 3-4, cocoanut active charcoal 5-7, silicon sol 6-9, epoxy Toenol 1140 2-3, Xylo-Mucine 3-4, bamboo carbon powder 3-4, Fructus Toosendan 1-2,75% ethanol 10-12, water 20-25, first by sepiolite fibre, cocoanut active charcoal is ground into 100-200 order powder, with light calcium carbonate powder, bamboo carbon powder, paper pulp tankage, suitable quantity of water mixes, after stirring 20-30 minute with the speed of 600-800 rev/min, add except Fructus Toosendan, all the other remaining components outside ethanol, be heated to 40 DEG C-50 DEG C, continue to stir 30-40 minute, make mixed slurry, then join in the ethanol of 75% ethanol after Fructus Toosendan being pulverized and soak that to cross leaching filtrate after 80-100 minute stand-by, again mixed slurry is passed in spray drying device, control inlet temperature 100-120 DEG C, air outlet temperature 80-100 DEG C, obtain mixed powder, finally filtrate is sprayed at mixed powder surface and namely obtains properties-correcting agent.
The coal gangue light cinder brick of a kind of energy-conserving and environment-protective of the present invention, be made up of following concrete steps:
(1) be ground into 180-200 object mixed powder by after coal gangue, rice husk, shale, float stone, borax mixing, then spent pulping liquor, municipal sludge added in the water of 2-3 times amount, form mixture;
(2) mixed powder is mixed with mixture, add all the other remaining components except Portland cement, properties-correcting agent, stir, then add extruding pelletization in tablets press;
(3) mixed with properties-correcting agent by Portland cement, add suitable quantity of water and make mixed slurry, then with particle mixing and stirring in step (2), form paste, then send in block machine and suppress, forming pressure controls be 20-25MPa;
(4) product after shaping is put moisture-keeping maintaining 21-28 at normal temperatures and namely obtain fragment of brick of the present invention.
The invention has the beneficial effects as follows: the present invention adopts coal gangue to make building block as main component instead of clay, add the composition that rice husk, float stone etc. are light porous, coordinate spent pulping liquor etc. to have the composition of foaming effect, the product made have porous, lightweight, economize on resources feature; Add the properties-correcting agent that special process is made, there is lightweight, insulation, sound-absorbing, antibacterial effect, enhance the over-all properties of colliery wastes brick; The present invention uses unburned technique, reduces the wastings of resources such as coal, reduces the toxic gas such as sulfurous gas, hydrogen sulfide that burning generates, decreases environmental pollution; The non-burning brick lightweight of the present invention, energy-conserving and environment-protective, water-intake rate are low, quick construction, have good tensile strength.
Specific embodiments
Below by specific examples, the present invention is described in detail.
A coal gangue light cinder brick for energy-conserving and environment-protective, is made up of the raw material of following weight part (kilogram): coal gangue 50, rice husk 5, Portland cement 8, shale 6, float stone 11, spent pulping liquor 2, sodium sulphite 2.5, municipal sludge 4.5, borax 2, terra alba 4, properties-correcting agent 7, water are appropriate;
Described properties-correcting agent is prepared from by the raw material of following weight part (kilogram): sepiolite fibre 8, paper pulp tankage 13, Starso 1, light calcium carbonate powder 3, cocoanut active charcoal 5, silicon sol 6, epoxy Toenol 1140 2, Xylo-Mucine 3, bamboo carbon powder 3, Fructus Toosendan 1,75% ethanol 10, water 20, first by sepiolite fibre, cocoanut active charcoal is ground into 100-200 order powder, with light calcium carbonate powder, bamboo carbon powder, paper pulp tankage, suitable quantity of water mixes, after stirring 20-30 minute with the speed of 600-800 rev/min, add except Fructus Toosendan, all the other remaining components outside ethanol, be heated to 40 DEG C-50 DEG C, continue to stir 30-40 minute, make mixed slurry, then join in the ethanol of 75% ethanol after Fructus Toosendan being pulverized and soak that to cross leaching filtrate after 80-100 minute stand-by, again mixed slurry is passed in spray drying device, control inlet temperature 100-120 DEG C, air outlet temperature 80-100 DEG C, obtain mixed powder, finally filtrate is sprayed at mixed powder surface and namely obtains properties-correcting agent.
The coal gangue light cinder brick of a kind of energy-conserving and environment-protective of the present invention, be made up of following concrete steps:
(1) be ground into 180-200 object mixed powder by after coal gangue, rice husk, shale, float stone, borax mixing, then spent pulping liquor, municipal sludge added in the water of 2-3 times amount, form mixture;
(2) mixed powder is mixed with mixture, add all the other remaining components except Portland cement, properties-correcting agent, stir, then add extruding pelletization in tablets press;
(3) mixed with properties-correcting agent by Portland cement, add suitable quantity of water and make mixed slurry, then with particle mixing and stirring in step (2), form paste, then send in block machine and suppress, forming pressure controls be 20-25MPa;
(4) product after shaping is put moisture-keeping maintaining 21-28 at normal temperatures and namely obtain fragment of brick of the present invention.
Through various test determination, the properties of colliery wastes brick of the present invention is: density is 982 kg/m 3, thermal conductivity is 0.061W/ (m.K), and ultimate compression strength is 16.8Mpa.

Claims (2)

1. the coal gangue light cinder brick of energy-conserving and environment-protective, it is characterized in that, be made up of the raw material of following weight part: coal gangue 50-60, rice husk 5-7, Portland cement 8-9, shale 6-7.5, float stone 11-13.5, spent pulping liquor 2-4, sodium sulphite 2.5-4, municipal sludge 4.5-6.5, borax 2-3, terra alba 4-6, properties-correcting agent 7-9, water are appropriate;
Described properties-correcting agent is prepared from by the raw material of following weight part: sepiolite fibre 8-10, paper pulp tankage 13-15, Starso 1-1.5, light calcium carbonate powder 3-4, cocoanut active charcoal 5-7, silicon sol 6-9, epoxy Toenol 1140 2-3, Xylo-Mucine 3-4, bamboo carbon powder 3-4, Fructus Toosendan 1-2,75% ethanol 10-12, water 20-25, first by sepiolite fibre, cocoanut active charcoal is ground into 100-200 order powder, with light calcium carbonate powder, bamboo carbon powder, paper pulp tankage, suitable quantity of water mixes, after stirring 20-30 minute with the speed of 600-800 rev/min, add except Fructus Toosendan, all the other remaining components outside ethanol, be heated to 40 DEG C-50 DEG C, continue to stir 30-40 minute, make mixed slurry, then join in the ethanol of 75% ethanol after Fructus Toosendan being pulverized and soak that to cross leaching filtrate after 80-100 minute stand-by, again mixed slurry is passed in spray drying device, control inlet temperature 100-120 DEG C, air outlet temperature 80-100 DEG C, obtain mixed powder, finally filtrate is sprayed at mixed powder surface and namely obtains properties-correcting agent.
2. the coal gangue light cinder brick of a kind of energy-conserving and environment-protective according to claim 1, is characterized in that, is made up of following concrete steps:
(1) be ground into 180-200 object mixed powder by after coal gangue, rice husk, shale, float stone, borax mixing, then spent pulping liquor, municipal sludge added in the water of 2-3 times amount, form mixture;
(2) mixed powder is mixed with mixture, add all the other remaining components except Portland cement, properties-correcting agent, stir, then add extruding pelletization in tablets press;
(3) mixed with properties-correcting agent by Portland cement, add suitable quantity of water and make mixed slurry, then with particle mixing and stirring in step (2), form paste, then send in block machine and suppress, forming pressure controls be 20-25MPa;
(4) product after shaping is put moisture-keeping maintaining 21-28 at normal temperatures and namely obtain fragment of brick of the present invention.
CN201510044443.5A 2015-01-29 2015-01-29 Energy-saving and environmentally-friendly coal gangue lightweight brick and preparation method thereof Pending CN104628418A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105503154A (en) * 2016-01-26 2016-04-20 重庆市合川区狮滩矸砖厂 Coal gangue bricks for bearing structure wall and production method thereof
CN106477983A (en) * 2016-09-21 2017-03-08 东莞市联洲知识产权运营管理有限公司 A kind of steaming-free air-adding brick based on industry, agricultural and building waste and preparation method
CN108191380A (en) * 2018-02-27 2018-06-22 合肥雅克丽新型建材有限公司 Environment-friendly energy-saving brick and preparation method thereof
CN108794052A (en) * 2018-06-07 2018-11-13 同济大学 A kind of shale insulated microporous brick of sludge and preparation method thereof
CN111704418A (en) * 2020-08-18 2020-09-25 湖南鑫恒环境科技有限公司 Coal gangue baking-free brick and manufacturing method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101857400A (en) * 2010-04-22 2010-10-13 连来才 Lightweight insulating brick and production process thereof
CN102875191A (en) * 2012-08-25 2013-01-16 马鞍山豹龙新型建材有限公司 Preparation process for aerated concrete block
CN103774777A (en) * 2013-12-20 2014-05-07 汪超 Assembly type skeleton multi-ribbed beam-plate composite structure big plate
CN103774790A (en) * 2013-12-20 2014-05-07 汪超 Novel fabricated light framework plate

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101857400A (en) * 2010-04-22 2010-10-13 连来才 Lightweight insulating brick and production process thereof
CN102875191A (en) * 2012-08-25 2013-01-16 马鞍山豹龙新型建材有限公司 Preparation process for aerated concrete block
CN103774777A (en) * 2013-12-20 2014-05-07 汪超 Assembly type skeleton multi-ribbed beam-plate composite structure big plate
CN103774790A (en) * 2013-12-20 2014-05-07 汪超 Novel fabricated light framework plate

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105503154A (en) * 2016-01-26 2016-04-20 重庆市合川区狮滩矸砖厂 Coal gangue bricks for bearing structure wall and production method thereof
CN106477983A (en) * 2016-09-21 2017-03-08 东莞市联洲知识产权运营管理有限公司 A kind of steaming-free air-adding brick based on industry, agricultural and building waste and preparation method
CN106477983B (en) * 2016-09-21 2018-10-23 东莞市联洲知识产权运营管理有限公司 A kind of preparation method of the steaming-free air-adding brick based on industry, agricultural and building waste
CN108191380A (en) * 2018-02-27 2018-06-22 合肥雅克丽新型建材有限公司 Environment-friendly energy-saving brick and preparation method thereof
CN108794052A (en) * 2018-06-07 2018-11-13 同济大学 A kind of shale insulated microporous brick of sludge and preparation method thereof
CN108794052B (en) * 2018-06-07 2021-06-04 同济大学 Sludge shale heat-preservation microporous brick and preparation method thereof
CN111704418A (en) * 2020-08-18 2020-09-25 湖南鑫恒环境科技有限公司 Coal gangue baking-free brick and manufacturing method thereof

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