CN102329090A - Method for producing cement by using garbage - Google Patents
Method for producing cement by using garbage Download PDFInfo
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- CN102329090A CN102329090A CN201110208145A CN201110208145A CN102329090A CN 102329090 A CN102329090 A CN 102329090A CN 201110208145 A CN201110208145 A CN 201110208145A CN 201110208145 A CN201110208145 A CN 201110208145A CN 102329090 A CN102329090 A CN 102329090A
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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
- 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
Abstract
The invention relates to a method for producing cement by using garbage. The method is mainly and mainly characterized in that the garbage is screened and classified; and after the usable part of the garbage is crushed and the contents of calcium element, silicon element, ferrum element, aluminum element, sulfur element, magnesium element, potassium element and sodium element of the garbage are analyzed, a small amount of materials are supplemented for producing the cement. The invention has the benefits that the calcium element, silicon element, ferrum element, aluminum element, sulfur element, magnesium element, potassium element and sodium element of the garbage and effective components with thermal value are used to produce the cement instead of clay (or shale), calcium carbonate and coal in a traditional cement raw material, so that precious natural resources are saved; and more importantly, the garbage is changed into valuables, a large amount of garbage is consumed, the environment is protected and the industrial policy of national energy saving and emission reduction is met. In addition, raw materials are easily obtained, so that the production cost is greatly reduced.
Description
Technical field
The present invention relates to a kind of method for production of cement.
Background technology
The manufacture of cement of present stage all is to utilize raw materials such as Wingdale, clay (shale), coal to carry out, and such working method is bigger to the comsumption of natural resources, and production cost is high.
Simultaneously, China on average will produce 1.28 kilograms of rubbish at present for each person every day, and the whole nation just has more than 17,800 ten thousand tons of rubbish to produce every day, but also will be with 10% speed increase.China cities and towns are surrounded by more than 60 hundred million tons of rubbish, and increase about 500,000,000 tons every year.The environment specialist points out: build day 100 tons of household refuse landfill sites of processing with up to a hundred mu of ground, essence is the rubbish removal of home, concentrates and stacks, three-dimensional pollution, and percolate and odor pollution environment, the biogas of discharging causes Greenhouse effect, accelerates climate warming.Should not live in the people in household refuse landfill sites 1 kilometer range.Existing domestic rubbish disposal way can't solve the difficult problem of domestic refuse minimizing, stabilization and harmless treatment rapidly.
The refuse treatment way of extensively taking at present is burning, landfill, fermentation system compost.Its common problem be take a large amount of soils, drop into substantial contribution, treating processes is long, can produce secondary pollution in various degree.Can produce percolate, biogas and stench, treatment scheme length or the like in the time of can producing Dioxins, rubbish pre-treatment when burning away the refuse.
So the processing of rubbish is that China realizes that one in the urbanization construction hinders greatly.
Summary of the invention
The purpose of this invention is to provide and a kind of rubbish is carried out harmless treatment, and then the method for producing qualified cement products to be to remedy the deficiency of prior art, this method can consume a large amount of rubbish, has also reduced the consumption of natural resources simultaneously.
Technical scheme of the present invention is: utilize rubbish to produce the method for cement, it is characterized in that: a, rubbish is carried out centrifugal or vibratory screening, after the screening, the material (powder, dust) of the following size of 50mm is sent into stir storehouse No. one, and subsequent use behind chemical analysis.
The material of the above size of 50mm after b, the screening is through wind-force or buoyancy screening, and materials such as the foam that weight is lighter, plastics, leaf, tangerine bar, stationery are transported to wind-force buoyancy screening chamber; Residue is transported to mechanical artificial screening chamber than heavy material.
After the material of c, entering wind-force buoyancy screening chamber passed through wind-force or buoyancy sifting sort once more, foam, plastics, stationery were packed respectively and are handled by the salvage station; Leaf and straw, by being transported to stir storehouse after the kibbler fragmentation No. two, subsequent use behind chemical analysis.
The material of d, the mechanical manpower screening of entering chamber is through behind the artificial screening, and materials such as ironware, glass, timber, are handled and woodwork factory and office reason by the salvage station after the packaged going into collecting bin separately respectively; Rest materials such as fragment of brick, stone etc. are transported to stir storehouse No. three after by the crusher two-stage crushing, and be subsequent use behind chemical analysis.
E, kiln ash (be the grey waste material of kiln pin of calcined lime, staple is a quicklime) is gone into stir storehouse No. four, subsequent use behind chemical analysis.
F, the coal of buying factory are outward gone into stir storehouse No. five behind two-stage crushing, subsequent use behind chemical analysis.
The material of g, a stir storehouse, the material of No. three stir storehouses, the material of No. four stir storehouses is transported to storage warehouse No. one after mixing, and analyzes behind the content of its calcium, silicon, iron, aluminium, sulphur, magnesium, potassium, sodium element subsequent use.
Be transported to storage warehouse No. two after the coal mixing of material of h, No. two stir storehouses (do fuel with) and No. five stir storehouses, and analyze behind its calcium, silicon, iron, aluminium, sulphur and the calorific value subsequent use.
I, with Wingdale through going into storage warehouse No. three behind the two-stage crushing, subsequent use behind the chemical analysis calcium contents.
J, the clay (or shale) that enters factory are gone into storage warehouse No. four through behind the two-stage crushing, and be subsequent use behind chemical analysis silicon and aluminium content.
K, according to the Chemical Composition of the material in the above-mentioned storage warehouse that analyzes, No. two storage warehouses, No. three storage warehouses, No. four storage warehouses; Calculate qualified cement proportion of raw materials; The mass transport of proportionally getting four storage warehouses is processed raw material to the raw material ball grinding machine behind the ball mill grinding, go into four raw material silos; And the raw material behind the ball mill grinding are per hour carried out one-time detection, the material formula before the raw material ball grinding machine is gone in adjustment according to the detected result trace.
The raw material of l, four raw material silos mix homogenizing through homogenization installation to be handled; The raw material that homogenizing is complete are gone into the mechanical vertical kiln calcining behind pre-watering granulation, be prepared into grog, and grog is gone into the grog storehouse behind two-stage crushing; The grog in grog storehouse carries out going into clinker warehouse after the homogenizing, and is subsequent use behind chemical analysis.
M, gypsum are gone into the gypsum storehouse behind chemical analysis, flyash is gone into the flyash storehouse behind chemical analysis, and the furnace bottom slag is the slag storehouse at the bottom of the chemical analysis fed to boiler.
The grog of n, clinker warehouse; The furnace bottom slag in the flyash in the gypsum in gypsum storehouse, flyash storehouse, furnace bottom slag storehouse is input to cement ball mill according to Chemical Composition separately after industrial microcomputer is by the scientific formula batching, behind the ball mill grinding, be prepared into cement; Go into three cement silos; And the cement to being prepared into, per hour carry out one-time detection, according to the material formula before the detected result adjustment entry mud ball grinding machine.
The cement of o, three cement silos is gone into two cement packing storehouses after the homogenization installation homogenizing, mechanical packaging is gone into the cement stockyard after becoming sack cement, sells after the assay was approved by national standard through quality testing department and dispatches from the factory.
Beneficial effect of the present invention is: utilized the effective constituent of element such as the calcium in the rubbish, silicon, iron, aluminium, sulphur, magnesium, potassium, sodium and calorific value to produce cement; Clay (or shale), Wingdale and coal in most of original cement raw material have been replaced; So not only practice thrift valuable natural resources, and the more important thing is rubbish is turned waste into wealth, consumed a large amount of rubbish; Protect environment, met the industry policy of national energy-saving and emission-reduction.In addition, the present invention is because the being easy to get property of raw material makes production cost reduce greatly.
Through embodiment the present invention is further described below.
Embodiment
Embodiment.
The rubbish that will enter factory carries out screening in the whizzer, after the screening, the material (powder etc.) of the following size of 50mm is sent into stir storehouse No. one, and is subsequent use behind chemical analysis.
The material of the above size of 50mm after the screening is through wind-force or buoyancy screening, and materials such as the foam that weight is lighter, plastics, leaf, tangerine bar, stationery are transported to wind-force buoyancy screening chamber; Residue is transported to mechanical artificial screening chamber than heavy material.
After the material of entering wind-force buoyancy screening chamber passed through wind-force or buoyancy sifting sort once more, foam, plastics, stationery were packed respectively and are handled by the salvage station; Leaf and straw, by being transported to stir storehouse after the kibbler fragmentation No. two, subsequent use behind chemical analysis.
The material that gets into mechanical artificial screening chamber is through behind the artificial screening, and materials such as ironware, glass, timber, are handled and woodwork factory and office reason by the salvage station after the packaged going into collecting bin separately respectively; Rest materials such as fragment of brick, stone etc. are transported to stir storehouse No. three after by the crusher two-stage crushing, and be subsequent use behind chemical analysis.
The kiln ash (be the kiln pin ash waste material of calcined lime, staple is a quicklime) of outsourcing is gone into stir storehouse No. four, subsequent use behind chemical analysis; The kiln ash itself also is the industrial residue after belonging to lime and firing, and processing before is directly to topple over, and not only wastes the soil, and can sizable damaging effect be arranged to peripheral soil, and the present invention has also solved the disposal difficulties of kiln ash simultaneously.
Buy the coal of factory outward and behind two-stage crushing, go into stir storehouse No. five, subsequent use behind chemical analysis.
The material of a stir storehouse, the material of No. three stir storehouses, the material of No. four stir storehouses is transported to storage warehouse No. one after mixing, and analyzes behind the content of its calcium, silicon, iron, aluminium, sulphur, magnesium, potassium, sodium element subsequent use.
Be transported to storage warehouse No. two after the coal mixing of material of No. two stir storehouses (do fuel with) and No. five stir storehouses, and analyze behind its calcium, silicon, iron, aluminium, sulphur and the calorific value subsequent use.
The Wingdale of outsourcing is gone into storage warehouse No. three through behind the two-stage crushing, subsequent use behind the chemical analysis calcium contents.
The clay of buying factory outward (or shale) is gone into storage warehouse No. four through behind the two-stage crushing, subsequent use behind chemical analysis silicon and aluminium content.
Chemical Composition according to the material in an above-mentioned storage warehouse that analyzes, No. two storage warehouses, No. three storage warehouses, No. four storage warehouses; Calculate qualified cement proportion of raw materials; The mass transport of proportionally getting four storage warehouses is processed raw material to the raw material ball grinding machine behind the ball mill grinding, go into four raw material silos; And the raw material behind the ball mill grinding are per hour carried out one-time detection, the material formula before the raw material ball grinding machine is gone in adjustment according to the detected result trace.
The raw material of four raw material silos mix homogenizing through homogenization installation to be handled; The raw material that homogenizing is complete are gone into the mechanical vertical kiln calcining behind pre-watering granulation, be prepared into grog, and grog is gone into the grog storehouse behind two-stage crushing; The grog in grog storehouse carries out going into clinker warehouse after the homogenizing, and is subsequent use behind chemical analysis.
The gypsum of outsourcing is gone into the gypsum storehouse behind chemical analysis, flyash is gone into the flyash storehouse behind chemical analysis, and the furnace bottom slag is the slag storehouse at the bottom of the chemical analysis fed to boiler.
The grog of clinker warehouse; The furnace bottom slag in the flyash in the gypsum in gypsum storehouse, flyash storehouse, furnace bottom slag storehouse is input to cement ball mill according to Chemical Composition separately after industrial microcomputer is by the scientific formula batching, behind the ball mill grinding, be prepared into cement; Go into three cement silos; And the cement to being prepared into, per hour carry out one-time detection, according to the material formula before the detected result adjustment entry mud ball grinding machine.
The cement of three cement silos is gone into two cement packing storehouses after the homogenization installation homogenizing, mechanical packaging is gone into the cement stockyard after becoming sack cement, sells after the assay was approved by national standard through quality testing department and dispatches from the factory.
Claims (1)
1. utilize rubbish to produce the method for cement, it is characterized in that: a, rubbish is carried out centrifugal or vibratory screening, after the screening, the material of the following size of 50mm is sent into stir storehouse No. one, subsequent use behind chemical analysis; The material of the above size of 50mm after b, the screening is through wind-force or buoyancy screening, and the light material class is transported to wind-force buoyancy screening chamber; The residue heavier feeds is transported to mechanical artificial screening chamber; After the material of c, entering wind-force buoyancy screening chamber passed through wind-force or buoyancy sifting sort once more, foam, plastics, stationery were packed respectively and are handled by the salvage station; Leaf and straw, by being transported to stir storehouse after the kibbler fragmentation No. two, subsequent use behind chemical analysis; The material of d, the mechanical manpower screening of entering chamber is through behind the artificial screening, and ironware, glass, timber material, are handled and woodwork factory and office reason by the salvage station after the packaged going into collecting bin separately respectively; Rest materials fragment of brick, stone are transported to stir storehouse No. three after by the crusher two-stage crushing, and be subsequent use behind chemical analysis; E, quicklime is gone into stir storehouse No. four, subsequent use behind chemical analysis; F, coal are gone into stir storehouse No. five behind two-stage crushing, subsequent use behind chemical analysis; The material of g, a stir storehouse, the material of No. three stir storehouses, the material of No. four stir storehouses is transported to storage warehouse No. one after mixing, and analyzes behind the content of its calcium, silicon, iron, aluminium, sulphur, magnesium, potassium, sodium element subsequent use; The coal of the material of h, No. two stir storehouses and No. five stir storehouses is transported to storage warehouse No. two after mixing, and analyzes behind its calcium, silicon, iron, aluminium, sulphur and the calorific value subsequent use; I, with Wingdale through going into storage warehouse No. three behind the two-stage crushing, subsequent use behind the chemical analysis calcium contents; J, the clay that enters factory or shale are gone into storage warehouse No. four through behind the two-stage crushing, and is subsequent use behind chemical analysis silicon and aluminium content; K, according to the Chemical Composition of the material in the above-mentioned storage warehouse that analyzes, No. two storage warehouses, No. three storage warehouses, No. four storage warehouses; Calculate qualified cement proportion of raw materials; The mass transport of proportionally getting four storage warehouses is processed raw material to the raw material ball grinding machine behind the ball mill grinding, go into four raw material silos; And the raw material behind the ball mill grinding are per hour carried out one-time detection, the material formula before the raw material ball grinding machine is gone in adjustment according to the detected result trace; The raw material of l, four raw material silos mix homogenizing through homogenization installation to be handled; The raw material that homogenizing is complete are gone into the mechanical vertical kiln calcining behind pre-watering granulation, be prepared into grog, and grog is gone into the grog storehouse behind two-stage crushing; The grog in grog storehouse carries out going into clinker warehouse after the homogenizing, and is subsequent use behind chemical analysis; M, gypsum are gone into the gypsum storehouse behind chemical analysis, flyash is gone into the flyash storehouse behind chemical analysis, and the furnace bottom slag is the slag storehouse at the bottom of the chemical analysis fed to boiler; The grog of n, clinker warehouse; The furnace bottom slag in the flyash in the gypsum in gypsum storehouse, flyash storehouse, furnace bottom slag storehouse is input to cement ball mill according to Chemical Composition separately after industrial microcomputer is by the scientific formula batching, behind the ball mill grinding, be prepared into cement; Go into three cement silos; And the cement to being prepared into, per hour carry out one-time detection, according to the material formula before the detected result adjustment entry mud ball grinding machine; The cement of o, three cement silos is gone into two cement packing storehouses after the homogenization installation homogenizing, dispatch from the factory after the packing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102081457A CN102329090B (en) | 2011-07-25 | 2011-07-25 | Method for producing cement by using garbage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102081457A CN102329090B (en) | 2011-07-25 | 2011-07-25 | Method for producing cement by using garbage |
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| Publication Number | Publication Date |
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| CN102329090A true CN102329090A (en) | 2012-01-25 |
| CN102329090B CN102329090B (en) | 2013-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011102081457A Expired - Fee Related CN102329090B (en) | 2011-07-25 | 2011-07-25 | Method for producing cement by using garbage |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103626409A (en) * | 2013-11-27 | 2014-03-12 | 北京建筑材料科学研究总院有限公司 | Method and device for treatment in feeding household garbage into cement kiln in three routes |
| CN113354314A (en) * | 2021-07-20 | 2021-09-07 | 深圳市和盛环保科技有限公司 | High-activity cementing material based on engineering muck |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5769940A (en) * | 1997-05-07 | 1998-06-23 | Dravo Lime Company | Process for producing cement and elemental sulfur from a flue gas desulfurization waste product |
| CN101298371A (en) * | 2007-05-01 | 2008-11-05 | 李东升 | Light insulating brick prepared from fly ash, boiler slag, construction garbage and straw and preparation thereof |
-
2011
- 2011-07-25 CN CN2011102081457A patent/CN102329090B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5769940A (en) * | 1997-05-07 | 1998-06-23 | Dravo Lime Company | Process for producing cement and elemental sulfur from a flue gas desulfurization waste product |
| CN101298371A (en) * | 2007-05-01 | 2008-11-05 | 李东升 | Light insulating brick prepared from fly ash, boiler slag, construction garbage and straw and preparation thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103626409A (en) * | 2013-11-27 | 2014-03-12 | 北京建筑材料科学研究总院有限公司 | Method and device for treatment in feeding household garbage into cement kiln in three routes |
| CN113354314A (en) * | 2021-07-20 | 2021-09-07 | 深圳市和盛环保科技有限公司 | High-activity cementing material based on engineering muck |
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| Publication number | Publication date |
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| CN102329090B (en) | 2013-08-28 |
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