CN103601382A - Environment-friendly cement and production method thereof - Google Patents
Environment-friendly cement and production method thereof Download PDFInfo
- Publication number
- CN103601382A CN103601382A CN201310546752.3A CN201310546752A CN103601382A CN 103601382 A CN103601382 A CN 103601382A CN 201310546752 A CN201310546752 A CN 201310546752A CN 103601382 A CN103601382 A CN 103601382A
- Authority
- CN
- China
- Prior art keywords
- cement
- homogenizing
- slag
- parts
- ball mill
- Prior art date
- 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.)
- Granted
Links
Images
Classifications
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses environment-friendly cement. The raw materials include various industrial waste residues, limestone, cement clinker, gypsum, a grinding aid and an excitation substance. The environment-friendly cement is characterized in that the weight parts of the raw materials are as follows: 50-60 parts of admixture, 32-40 parts of cement clinker, 4-8 parts of gypsum, 0.03-0.05 part of grinding aid and 3-5 parts of excitation substance. Since the production process of the environment-friendly cement adopts a low-temperature mechanical-chemical co-excitation technology, the mixing amount of the admixture is large, multiple industrial waste residues can be used as raw materials, the raw materials are widely available, the cost is low, a great quantity of industrial waste residues can be consumed, the waste is turned into wealth, and the performance of the obtained product is remarkably improved from the quality index.
Description
Technical field
The present invention relates to a kind of green cement, the very large cement of a kind of slag material volume specifically, its production process than traditional more energy-conservation, cost is lower, the present invention provides the production method of this cement equally.
Background technology
Cement is a kind ofly to become slurry after adding water and stirring, can in air, harden or better harden in water, and can be the materials such as sand, stone inorganic gel materials cemented together securely.For a long time, cement, as a kind of important gelling material, is widely used in the engineerings such as civil construction, water conservancy, national defence.Along with the growth of China's economy, country increases the construction of Infrastructure and the development of real estate, and the demand of cement is increasing, and the output of China's cement in 2011 is about 2,100,000,000 tons, and output occupies first of countries in the world.China is manufacture of cement big country, but not manufacture of cement power.Because the energy in manufacture of cement, resource consumption are high, and it is discarded to produce a large amount of carbonic acid gas, is unfavorable for the protection of environment.The construction of Infrastructure and real estate, also driven the development of mining and metallurgy industry, these industries have produced a large amount of slags in process of production, and a large amount of slags has brought many problems, as process slag and take a large amount of soils, slag produces problem of environmental pollution after being rinsed by water.The raw material of traditional cement is Wingdale, gypsum, clay and powdered iron ore, long-term exploitation, and the reserves of various raw materials constantly decline, and have restricted the Sustainable development of cement industry.In order to process the various slags that mining, metallurgy industry produces and to find the raw material that cement can sustainable development, people have developed and adopted slag is the cement that part material is produced.But due to the restriction of traditional cement production process, the addition ratio of slag is less, adds the quality that can affect too much cement.
Summary of the invention
A kind of method that the object of this invention is to provide green cement and production thereof, the cement slurry material volume of present method is large, has overcome the shortcomings such as traditional cement production process single machine yield is low, energy consumption is high, production process dust is large, facility investment is large.
Concrete technical scheme of the present invention is:
Green cement, comprises that the raw material of following parts by weight forms:
Blended material 50～60; Cement clinker 32～40;
Gypsum 4～8; Grinding aid 0.03～0.05;
Excite material 3～5.
Described blended material is the material that a kind of or composition in various industrial residues, quartz sand and cobble and Wingdale are mixed to get.
The production method of described green cement, comprises the following steps:
A. material is dry: with pump, the blended material of high-moisture percentage is joined high-efficiency energy-saving drying machine from homogenizing field, with the heat rotary drying of coal combustion generation, to moisture 3～5%, from the lift of the afterbody of dryer, be conveyed into storage silo;
B. dry mixed material, cement clinker, gypsum, the grinding aid that ball milling: step a obtains and excite material to join in ball mill, to the internal spray of ball mill, enter the high pressure water of 0.5～1MPa, make the temperature of mechanical milling process be controlled at 100～130 ℃, from ball mill bistrique material out, be that cement is conveyed in finished product homogenizing bin with lift, unlap after the air homogenizing producing by homogenizing bin bottom, obtains bulk cement.
Described industrial residue for the slag producing manganese and manganese alloy and produce, produce slag that phosphoric acid produces, a kind of in the slag that the slag that the waste residue that fuel-burning power plant produces, smelting iron and steel produce and titanium powder industry produce or their composition; The parts by weight of waste residue and Wingdale are: aggregate 80～90; Wingdale 10～20.
Described grinding aid is a kind of in tripoly phosphate sodium STPP, trisodium phosphate, diethanolamine, trolamine, trolamine phosphoric acid salt, diethanolamine phosphoric acid salt or their composition.
The described material that excites is a kind of in calcium sulfite, Sodium sulfate anhydrous.min(99), borax, alum, aluminium hydroxide and soda ash or their composition.
As everyone knows, various materials are in process of lapping, and particle is refinement progressively, specific surface area increases, and surface produces a large amount of electric charges, particle is adsorbed mutually and occur reuniting, the crush efficiency of material is declined, therefore the present invention adds grinding aid in process of lapping, can prevent particle aggregation, improves the mobility of material, thereby raising grinding efficiency, shorten milling time, under identical milling time, output improves more than 10% than traditional production technique, economizes on electricity more than 12%.
The present invention also adds exciting agent simultaneously in process of lapping, the effect of exciting agent is the activity that excites various compounds, improve the intensity in early stage and later stage of cement, therefore add exciting agent can increase the volume of blended material, reduce the consumption of cement clinker, reduce costs, the present invention's various material homogenizer degree in process of lapping improve, under the effect exciting at mechanical-chemical, the activity of various raw materials is greatly improved, therefore the volume of slag material has improved more than 10%, the output of cement can improve more than 10% on the basis of adding grinding aid again, and increased the kind of slag material, out of use certain slag can be for the production of cement by the present invention in the past.Under the effect exciting at grinding aid and mechanical-chemical, the intensity that 3 days intensity of the product that obtains has improved 15%, 28 day has improved 10%.
The present invention is in mechanical milling process, various materials and abrading-ball friction, impact, produce a large amount of heat energy, making to grind interior temperature raises, in mill, high temperature can cause and stick with paste ball paste mill, gypsum dehydration, cement false set, crawler shoe temperature raises, reduce a series of harm such as unit-hour output, therefore cement production process of the present invention is spurted into high pressure water to the ball milling surface of shell of ball mill inside, play cooling effect, the temperature that material is ground is controlled in 100～130 ℃, material agglomerate in mill is disintegrated, eliminate static in mill, bag ball, bag is forged, the phenomenons such as gypsum dehydration, strengthen mill capacity, unit-hour output can improve more than 10%, the economize on electricity of ton product is more than 12%.
Advantage of the present invention is:
1. present method uses the powder-grinding process output of low temperature grinding technology to improve more than 10% than originally, economize on electricity is more than 12%, process of cooling is to complete in ball mill, therefore equipment occupation of land is little, and drop temperature is low, does not need cooling apparatus and operation in transporting homogenizing bin process to, product can at once be packed and produce, improved production efficiency (high temperature can scorch packing bag, and technique before need to be cooled to 80 ℃ of following could packings, and cooling apparatus that need to be special from ball mill material is out cooling).
2. the feeding planning sheet machine equipment operation factor of the wet sticky storehouse of application material distribution technology improves 12% than traditional method, and dust is few.
3. the operation single machine yield of application efficient energy-saving drying technology improves more than 25% than traditional dryer, and Energy Intensity Reduction is more than 15%.
4. the common shooting techniques of application machine-chemistry improves more than 10% slag material volume in eco-cement, and cement output improves more than 10%, and slag material kind reaches more than 3 kinds.
Accompanying drawing explanation
Accompanying drawing is the production technological process of green cement of the present invention.
Embodiment
Embodiment below in conjunction with accompanying drawing explanation invention:
Embodiment 1
The Wingdale of 90 parts of firepower electrical plant waste residues and 10 parts of pulverizing is put into homogenizing field, homogenizing deposit, with pump, from homogenizing field, join high-efficiency energy-saving drying machine, the heat rotary drying producing with coal combustion is to moisture 3～5%, from the lift of the afterbody of dryer, is conveyed into homogenizing bin; According to the ratio of the weight fraction of following material:
Dry blended material is 60; Cement clinker 40;
Gypsum 5; Trolamine 0.03;
Sodium sulfate anhydrous.min(99) 3, aluminium hydroxide 2;
Join in ball mill, to the internal spray of ball mill, enter the high pressure water of 0.5MPa, make the temperature of mechanical milling process be controlled at 130 ℃, from ball mill bistrique material out, be that cement is conveyed in finished product homogenizing bin with lift, unlap after the air homogenizing producing by homogenizing bin bottom, obtains bulk cement.
Embodiment 2
The Wingdale of 80 parts of manganese and manganese alloy factory waste residue and 20 parts of pulverizing is put into homogenizing field, homogenizing deposit, with pump, from homogenizing field, join high-efficiency energy-saving drying machine, the heat rotary drying producing with coal combustion is to moisture 3～5%, from the lift of the afterbody of dryer, is conveyed into homogenizing bin; According to the ratio of the parts by weight of following material:
Dry mixed material is 50; Cement clinker 32;
Gypsum 5; Trolamine phosphoric acid salt 0.05;
Alum 3.
Join in ball mill, to the internal spray of ball mill, enter the high pressure water of 1MPa, make the temperature of mechanical milling process be controlled at 100～102 ℃, from ball mill bistrique material out, be that cement is conveyed in finished product homogenizing bin with lift, unlap after the air homogenizing producing by homogenizing bin bottom, obtains bulk cement.
Embodiment 3
The Wingdale of 85Fen Steel Plant waste residue and phosphoric acid factory waste residue and 15 parts of pulverizing is put into homogenizing field, homogenizing deposit, with pump, from homogenizing field, join high-efficiency energy-saving drying machine, the heat rotary drying producing with coal combustion is to moisture 3～5%, from the lift of the afterbody of dryer, is conveyed into homogenizing bin; According to the ratio of the parts by weight of following material
Dry mixed material is 55; Cement clinker 37;
Gypsum 4; Diethanolamine phosphoric acid salt 0.04;
Alum 4.
Join in ball mill, to the internal spray of ball mill, enter the high pressure water of 0.8MPa, make the temperature of mechanical milling process be controlled at 108～112 ℃, from ball mill bistrique material out, be that cement is conveyed in finished product homogenizing bin with lift, unlap after the air homogenizing producing by homogenizing bin bottom, obtains bulk cement.
Embodiment 4
The mixture that 83 parts of titanium powder industry waste residues, part quartz sand and cobble form and the Wingdale of 17 parts of pulverizing are put into homogenizing field, homogenizing deposit, with pump, from homogenizing field, join high-efficiency energy-saving drying machine, the heat rotary drying producing with coal combustion is to moisture 3～5%, from the lift of the afterbody of dryer, is conveyed into homogenizing bin; According to the ratio of the parts by weight of following material
Dry mixed material is 58; Cement clinker 32;
Gypsum 5; Trolamine phosphoric acid salt 0.03～0.05;
Sodium sulfate anhydrous.min(99) 1; Borax 1; Soda ash 1.
Join in ball mill, to the internal spray of ball mill, enter the high pressure water of 0.7MPa, make the temperature of mechanical milling process be controlled at 115～117 ℃, from ball mill bistrique material out, be that cement is conveyed in finished product homogenizing bin with lift, unlap after the air homogenizing producing by homogenizing bin bottom, obtains bulk cement.
The salient features detected result that table 1 is green cement of the present invention
It can be seen from the table cement performance index specific mass index of the present invention improves a lot, and in the so many situation of the volume of slag material, product still keeps excellent performance, and this is to have benefited from excellent production technique and the contribution that reasonably adds additive to do.
Claims (5)
1. a green cement, is characterized in that: the raw material that comprises following parts by weight forms:
Blended material 50～60; Cement clinker 32～40;
Gypsum 4～8; Grinding aid 0.03～0.05;
Excite material 3～5;
Described blended material is the material that a kind of or composition in various industrial residues, quartz sand and cobble and Wingdale are mixed to get.
2. the production method of green cement according to claim 1, is characterized in that: comprise the following steps:
A. material is dry: with pump, the blended material of high-moisture percentage is joined high-efficiency energy-saving drying machine from homogenizing field, with the heat rotary drying of coal combustion generation, to moisture 3～5%, from the lift of the afterbody of dryer, be conveyed into storage silo;
B. dry mixed material, cement clinker, gypsum, the grinding aid that ball milling: step a obtains and excite material to join in ball mill, to the internal spray of ball mill, enter the high pressure water of 0.5～1MPa, make the temperature of mechanical milling process be controlled at 100～130 ℃, from ball mill bistrique material out, be that cement is conveyed in finished product homogenizing bin with lift, unlap after the air homogenizing producing by homogenizing bin bottom, obtains bulk cement.
3. green cement according to claim 1, is characterized in that: described industrial residue for the slag producing manganese and manganese alloy and produce, produce slag that phosphoric acid produces, a kind of in the slag that the slag that the waste residue that fuel-burning power plant produces, smelting iron and steel produce and titanium powder industry produce or their composition; The parts by weight of waste residue and Wingdale are: aggregate 80～90; Wingdale 10～20.
4. green cement according to claim 1, is characterized in that: described grinding aid is a kind of in tripoly phosphate sodium STPP, trisodium phosphate, diethanolamine, trolamine, trolamine phosphoric acid salt, diethanolamine phosphoric acid salt or their composition.
5. green cement according to claim 1, is characterized in that: the described material that excites is the composition of any or they in calcium sulfite, Sodium sulfate anhydrous.min(99), borax, alum, aluminium hydroxide or soda ash.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310546752.3A CN103601382B (en) | 2013-11-07 | 2013-11-07 | A kind of green cement and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310546752.3A CN103601382B (en) | 2013-11-07 | 2013-11-07 | A kind of green cement and production method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103601382A true CN103601382A (en) | 2014-02-26 |
| CN103601382B CN103601382B (en) | 2015-08-19 |
Family
ID=50119668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310546752.3A Active CN103601382B (en) | 2013-11-07 | 2013-11-07 | A kind of green cement and production method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103601382B (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104129935A (en) * | 2014-07-29 | 2014-11-05 | 皖西学院 | Modified glass tailing cement-based auxiliary cementing material and preparation method thereof |
| CN104261718A (en) * | 2014-09-28 | 2015-01-07 | 广西云燕特种水泥建材有限公司 | Method for producing green ecological cement resistant to seawater corrosion by using wastes from lime factories |
| CN104261706A (en) * | 2014-09-28 | 2015-01-07 | 广西云燕特种水泥建材有限公司 | Method for producing green ecological cement resistant to seawater corrosion by using construction wastes |
| CN104310812A (en) * | 2014-09-28 | 2015-01-28 | 忻城县红运水泥有限责任公司 | Green ecological cement and production method thereof |
| CN104341114A (en) * | 2014-09-28 | 2015-02-11 | 忻城县红运水泥有限责任公司 | Green ecological cement taking waste in lime factory as raw material, and production method of green ecological cement |
| CN104261706B (en) * | 2014-09-28 | 2017-01-04 | 广西云燕特种水泥建材有限公司 | The method producing the green ecological cement of anti-seawater corrosion with building waste |
| CN107188436A (en) * | 2017-07-17 | 2017-09-22 | 湖南七纬科技有限公司 | A kind of green cement and preparation method thereof |
| CN107555821A (en) * | 2017-10-27 | 2018-01-09 | 安徽嘉中金属材料有限公司 | A kind of high-performance complex building cement mortar and preparation method thereof |
| CN108164164A (en) * | 2017-12-26 | 2018-06-15 | 中国建筑材料科学研究总院有限公司 | Complex cement and preparation method thereof |
| CN109912243A (en) * | 2019-03-19 | 2019-06-21 | 西卓子山草原水泥集团包头三固有限责任公司 | A kind of cement produced using Industrial Solid Waste |
| CN110746132A (en) * | 2019-10-29 | 2020-02-04 | 汉阴县天元工业废渣科技开发有限公司 | Method for producing superfine cement by ball mill serial milling |
| CN114804674A (en) * | 2022-05-16 | 2022-07-29 | 江西省建材科研设计院有限公司 | Low-carbon clinker doped with rare-earth metal oxygen-enriched smelting furnace slag, road cement and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1844026A (en) * | 2006-04-21 | 2006-10-11 | 华南理工大学 | A novel masonry cement |
| CN101182139A (en) * | 2007-11-12 | 2008-05-21 | 华南理工大学 | Masonry cement having higher strength and water retention |
| CN101921079A (en) * | 2010-01-19 | 2010-12-22 | 赤峰华益水泥有限责任公司 | New cement grinding process |
-
2013
- 2013-11-07 CN CN201310546752.3A patent/CN103601382B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1844026A (en) * | 2006-04-21 | 2006-10-11 | 华南理工大学 | A novel masonry cement |
| CN101182139A (en) * | 2007-11-12 | 2008-05-21 | 华南理工大学 | Masonry cement having higher strength and water retention |
| CN101921079A (en) * | 2010-01-19 | 2010-12-22 | 赤峰华益水泥有限责任公司 | New cement grinding process |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104129935B (en) * | 2014-07-29 | 2016-01-20 | 皖西学院 | Modified glass tailing cement-based auxiliary cementing material and preparation method thereof |
| CN104129935A (en) * | 2014-07-29 | 2014-11-05 | 皖西学院 | Modified glass tailing cement-based auxiliary cementing material and preparation method thereof |
| CN104310812B (en) * | 2014-09-28 | 2016-05-18 | 忻城县红运水泥有限责任公司 | green ecological cement and production method thereof |
| CN104310812A (en) * | 2014-09-28 | 2015-01-28 | 忻城县红运水泥有限责任公司 | Green ecological cement and production method thereof |
| CN104341114A (en) * | 2014-09-28 | 2015-02-11 | 忻城县红运水泥有限责任公司 | Green ecological cement taking waste in lime factory as raw material, and production method of green ecological cement |
| CN104261706A (en) * | 2014-09-28 | 2015-01-07 | 广西云燕特种水泥建材有限公司 | Method for producing green ecological cement resistant to seawater corrosion by using construction wastes |
| CN104261718A (en) * | 2014-09-28 | 2015-01-07 | 广西云燕特种水泥建材有限公司 | Method for producing green ecological cement resistant to seawater corrosion by using wastes from lime factories |
| CN104261706B (en) * | 2014-09-28 | 2017-01-04 | 广西云燕特种水泥建材有限公司 | The method producing the green ecological cement of anti-seawater corrosion with building waste |
| CN107188436A (en) * | 2017-07-17 | 2017-09-22 | 湖南七纬科技有限公司 | A kind of green cement and preparation method thereof |
| CN107555821A (en) * | 2017-10-27 | 2018-01-09 | 安徽嘉中金属材料有限公司 | A kind of high-performance complex building cement mortar and preparation method thereof |
| CN108164164A (en) * | 2017-12-26 | 2018-06-15 | 中国建筑材料科学研究总院有限公司 | Complex cement and preparation method thereof |
| CN109912243A (en) * | 2019-03-19 | 2019-06-21 | 西卓子山草原水泥集团包头三固有限责任公司 | A kind of cement produced using Industrial Solid Waste |
| CN110746132A (en) * | 2019-10-29 | 2020-02-04 | 汉阴县天元工业废渣科技开发有限公司 | Method for producing superfine cement by ball mill serial milling |
| CN114804674A (en) * | 2022-05-16 | 2022-07-29 | 江西省建材科研设计院有限公司 | Low-carbon clinker doped with rare-earth metal oxygen-enriched smelting furnace slag, road cement and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103601382B (en) | 2015-08-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103601382B (en) | A kind of green cement and production method thereof | |
| CN103601381B (en) | A kind of Environment-friendlyhigh-performance high-performance cement and production method thereof | |
| CN101767972B (en) | Mine tailing sand brick and preparation method thereof | |
| CN103397128B (en) | Method used for extracting iron from red mud by drastic reduction and method used for preparing gel material from secondary tailings | |
| CN102992803B (en) | Air-added brick with slag as matrix and method for processing same | |
| CN101948254A (en) | Method for preparing electrolytic manganese slag ecological cement | |
| CN102826771A (en) | Coal gangue activator, and novel clinker-free cementing material and preparation method thereof | |
| CN103382124B (en) | A kind of molybdenum tailings air-entrained concrete building block and preparation method thereof | |
| CN103588447B (en) | A kind of Superfine mine powder admixture concrete | |
| CN103641392A (en) | Formula of environmental protection brick and production method thereof | |
| CN105016643B (en) | A kind of new miberal powder of utilization sludge production and preparation method thereof | |
| CN106854060A (en) | A kind of ecological permeable bricks and preparation method thereof | |
| CN102173619A (en) | High-volume fly ash cement production technique and pulverizing technique | |
| CN104016603A (en) | Preparation method of industrial waste residue mixed ore powder | |
| CN102964082A (en) | High molecular synthetic cement grinding aid | |
| CN107265943A (en) | A kind of injecting paste material and preparation method thereof | |
| CN103073256A (en) | Method for preparing bricks by using tailing sand and industrial gypsum | |
| CN102643629A (en) | Grinding aid for phosphate rock | |
| CN108821840A (en) | Gangue prepares the technique without magnetic and magnetization solubility in citric acid siliceous fertilizer simultaneously | |
| CN105859172B (en) | A kind of ardealite base cement super-retarder and preparation method thereof | |
| CN104163583A (en) | Method of producing environmental friendly active cement-based composite material by utilization of iron-nickel alloy tailings | |
| CN114907069B (en) | Preparation method of biomass ash and coal gangue composite aggregate mortar | |
| CN103848580A (en) | Clinker-free slag portland cement and production method thereof | |
| CN104844029A (en) | Cement production method by adding lignosulfonate | |
| CN107337359A (en) | A kind of lime stone slag and stone powder waste material renovation process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |