CN102092969A - Special concrete clinker without limerock burdening and production method of special concrete clinker - Google Patents

Special concrete clinker without limerock burdening and production method of special concrete clinker Download PDF

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Publication number
CN102092969A
CN102092969A CN2010105987755A CN201010598775A CN102092969A CN 102092969 A CN102092969 A CN 102092969A CN 2010105987755 A CN2010105987755 A CN 2010105987755A CN 201010598775 A CN201010598775 A CN 201010598775A CN 102092969 A CN102092969 A CN 102092969A
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China
Prior art keywords
raw
special cement
controlled
lime
gone
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CN2010105987755A
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CN102092969B (en
Inventor
包文忠
赵文新
靳冬民
刘文山
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Xinjiang Tianshan Cement Co Ltd
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Xinjiang Tianshan Cement Co Ltd
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Priority to CN201010598775.5A priority Critical patent/CN102092969B/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
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/10Production of cement, e.g. improving or optimising the production methods; Cement grinding

Abstract

The invention relates to the technical field of concrete, in particular to a special concrete clinker without limerock burdening and a production method of the special concrete clinker. The special concrete clinker without limerock burdening is prepared from the following raw materials in percentage by weight: 4%-6% of ferro corrective raw material copper slag, 8%-10% of sal corrective raw material gangue, 4%-6% of sal corrective raw material silica and the balance of industrial waste slag carbide slag. The production method has the beneficial effects that when the special concrete clinker is produced, the industrial waste slag carbide slag is utilized to completely replace limerock, thus a large amount of limerock can be reduced, 1.25 tons of limerock are saved in terms of each ton of special concrete clinker, 0.511 ton of discharged carbon dioxide is reduced, and the production cost is lowered, thereby reducing or avoiding the pollution of industrial waste carbide slag on environment.

Description

No raw meal prepared from lime special cement grog and production method thereof
Technical field
The present invention relates to the cement technology field, is a kind of no raw meal prepared from lime special cement grog and production method thereof, especially can save the comprehensive utilization of limestone resource reducing emission of carbon dioxide, realization resource.
Background technology
At present known existing technology special cement grog production is main material production by Wingdale all, it consumes large quantities of lime stone resource, and the big production cost height of CO2 emissions, and along with the minimizing of limestone resource, cost will further increase.
Industrial residue carbide slag mud is more and more, and environmental pollution is also in further increase, and how utilizing the industrial residue carbide slag and alleviating or avoid pollution to environment is that people want the problem that solves always.
Summary of the invention
The invention provides a kind of no raw meal prepared from lime special cement grog and production method and application, overcome the deficiency of prior art, solve the problem that the industrial residue carbide slag is used in the special cement grog is produced, reduced production cost, solved of the pollution problem of industrial residue carbide slag environment.
One of technical scheme of the present invention obtains in the following manner: a kind of no raw meal prepared from lime special cement grog, it produces by following raw material weight per-cent, the industrial residue carbide slag of ferro-controlling raw material copper ashes 4% to 6%, sal correction material coal gangue 8% to 10%, sal correction material silica 4% to 6%, surplus.
Two of technical scheme of the present invention obtains in the following manner: the production method of above-mentioned no raw meal prepared from lime special cement grog is to be undertaken by following step: it is that the qualified raw material of fineness 10% to 12% scope are gone into the raw material homogenizing storehouse that the ferro-controlling raw material copper ashes of requirement, sal correction material coal gangue, sal correction material silica, industrial residue carbide slag are gone into by burden process that the raw mill grinding makes raw material and select behind the powder fine powder through powder separating machine; Raw material are gone into rotary kiln from the kiln tail after 0.03Mpa to 0.05Mpa air pressure homogenizing, coal dust sprays into the calcined by rotary kiln raw material from kiln hood, Rotary Kiln Control parameter: 900 ℃ to 1450 ℃ calcinings, the kiln hood negative pressure is controlled at 39 handkerchief to 41 handkerchiefs, the decomposing furnace negative pressure is controlled at 500 handkerchief to 540 handkerchiefs, and kiln tail smoke-box negative pressure is controlled at 100 handkerchief to 120 handkerchiefs, and the smoke-box temperature is controlled at 1020 ℃ to 1040 ℃, calciner temperature is controlled at 870 ℃ to 890 ℃, and secondary air temperature is controlled at 820 ℃ to 850 ℃; Obtain not having raw meal prepared from lime special cement grog after the calcining.
Be to one of technique scheme below or/and two further optimization and/or selection of technical scheme:
Above-mentioned powder separating machine selects the meal behind the powder to continue into the raw mill grinding.
The above-mentioned coal dust that calcined by rotary kiln is provided is gone into ¢ 2.8*8 rice coal abrasive dust mill by raw coal after through PCH00808 hammer crushing crusher machine, and the fineness of making is gone into rotary kiln at the coal dust less than 12%.
The above-mentioned no raw meal prepared from lime special cement grog of producing is gone into the special cement clinker warehouse after cooling off by the cooling machine.
The invention has the beneficial effects as follows: when producing the special cement grog, utilize the complete replace lime stone of industrial residue carbide slag, can reduce a large amount of Wingdales, special cement grog of the present invention per ton is saved 1.25 tons of Wingdales, reduce 0.511 ton of carbonic acid gas of discharging, reduce production costs, thereby also reduce or avoid of the pollution of industrial residue carbide slag environment.
Description of drawings
Accompanying drawing 1 is the process flow diagram of most preferred embodiment of the present invention.
Coding in the accompanying drawing is respectively: 1 is the industrial residue carbide slag, and 2 is ferro-controlling raw material, and 3 is the sal correction material, 4 is raw coal, and 5 is burden process, and 6 is raw mill, 7 is powder separating machine, and 8 is the raw material homogenizing storehouse, and 9 is crusher, 10 are the coal mill, 11 is coal dust, and 12 is rotary kiln, and 13 is the special cement grog, 14 are the cooling machine, and 15 is the special cement clinker warehouse.
Embodiment
The present invention is not subjected to the restriction of following embodiment, can determine concrete embodiment according to the technical scheme and the practical situation of the invention described above.
Below in conjunction with embodiment the present invention is done further argumentation:
Embodiment 1, this no raw meal prepared from lime special cement grog produces by following raw material weight per-cent, the industrial residue carbide slag of ferro-controlling raw material copper ashes 4% to 6%, sal correction material coal gangue 8% to 10%, sal correction material silica 4% to 6%, surplus.
Embodiment 2, and this no raw meal prepared from lime special cement grog produces by following raw material weight per-cent, the industrial residue carbide slag of ferro-controlling raw material copper ashes 6%, sal correction material coal gangue 8%, sal correction material silica 4%, surplus.
Embodiment 3, and this no raw meal prepared from lime special cement grog produces by following raw material weight per-cent, the industrial residue carbide slag of ferro-controlling raw material copper ashes 4%, sal correction material coal gangue 10%, sal correction material silica 6%, surplus.
Embodiment 4, and this no raw meal prepared from lime special cement grog produces by following raw material weight per-cent, the industrial residue carbide slag of ferro-controlling raw material copper ashes 4%, sal correction material coal gangue 10%, sal correction material silica 4%, surplus.
Embodiment 5, and this no raw meal prepared from lime special cement grog produces by following raw material weight per-cent, the industrial residue carbide slag of ferro-controlling raw material copper ashes 6%, sal correction material coal gangue 8%, sal correction material silica 6%, surplus.
Embodiment 6, and this no raw meal prepared from lime special cement grog produces by following raw material weight per-cent, the industrial residue carbide slag of ferro-controlling raw material copper ashes 5%, sal correction material coal gangue 9%, sal correction material silica 5%, surplus.
Embodiment 7, and the method for the no raw meal prepared from lime special cement grog of the foregoing description 1 to embodiment 6 is undertaken by following step: it is that the qualified raw material of fineness 10% to 12% scope are gone into raw material homogenizing storehouse 8 that the ferro-controlling raw material copper ashes of requirement, sal correction material coal gangue, sal correction material silica, industrial residue carbide slag are gone into by burden process 5 that raw mill 6 grindings make raw material and select behind the powder fine powder through powder separating machine 7; Raw material are gone into rotary kiln 12 from the kiln tail after 0.03Mpa to 0.05Mpa air pressure homogenizing, coal dust 11 sprays into rotary kiln 12 calcining raw material from kiln hood, rotary kiln 12 controlled variable: 900 ℃ to 1450 ℃ calcinings, the kiln hood negative pressure is controlled at 39 handkerchief to 41 handkerchiefs, the decomposing furnace negative pressure is controlled at 500 handkerchief to 540 handkerchiefs, and kiln tail smoke-box negative pressure is controlled at 100 handkerchief to 120 handkerchiefs, and the smoke-box temperature is controlled at 1020 ℃ to 1040 ℃, calciner temperature is controlled at 870 ℃ to 890 ℃, and secondary air temperature is controlled at 820 ℃ to 850 ℃; Obtain not having raw meal prepared from lime special cement grog 13 after the calcining.
Embodiment 8, and be with the difference of embodiment 7: powder separating machine 7 selects the meal behind the powder to continue into raw mill 6 grindings.
Embodiment 9, are with the difference of embodiment 7 to embodiment 8: the coal dust that calcined by rotary kiln is provided is gone into ¢ 2.8*8 rice coal abrasive dust mill by raw coal 4 after through 9 fragmentations of PCH00808 hammer mills, and the fineness of making is gone into rotary kiln 12 at the coal dust 11 less than 12%.
Embodiment 10, are with the difference of embodiment 7 to embodiment 9: the no raw meal prepared from lime special cement grog of being produced 13 is gone into special cement clinker warehouse 15 after by 14 coolings of cooling machine.
In the present invention: % per-cent all is weight percent.
Subordinate list 1 is the special cement grog component list that raw meal prepared from lime is produced in the national standard.
Subordinate list 2 is the component list of the special cement grog of the present invention's production.
By subordinate list 1 to subordinate list 2 contrast as can be known: gained of the present invention does not have the requirement that every technical indicator of raw meal prepared from lime special cement grog can both be up to state standards.
The present invention can reduce a large amount of Wingdales, and special cement grog of the present invention per ton is saved 1.25 tons of Wingdales, reduces 0.511 ton of carbonic acid gas of discharging.

Claims (10)

1. no raw meal prepared from lime special cement grog, it is characterized in that producing the industrial residue carbide slag of ferro-controlling raw material copper ashes 4% to 6%, sal correction material coal gangue 8% to 10%, sal correction material silica 4% to 6%, surplus by following raw material weight per-cent.
2. no raw meal prepared from lime special cement grog according to claim 1 is characterized in that obtaining by following step: it is that the qualified raw material of fineness 10% to 12% scope are gone into the raw material homogenizing storehouse that the ferro-controlling raw material copper ashes of requirement, sal correction material coal gangue, sal correction material silica, industrial residue carbide slag are gone into by burden process that the raw mill grinding makes raw material and select behind the powder fine powder through powder separating machine; Raw material are gone into rotary kiln from the kiln tail after 0.03Mpa to 0.05Mpa air pressure homogenizing, coal dust sprays into the calcined by rotary kiln raw material from kiln hood, Rotary Kiln Control parameter: 900 ℃ to 1450 ℃ calcinings, the kiln hood negative pressure is controlled at 39 handkerchief to 41 handkerchiefs, the decomposing furnace negative pressure is controlled at 500 handkerchief to 540 handkerchiefs, and kiln tail smoke-box negative pressure is controlled at 100 handkerchief to 120 handkerchiefs, and the smoke-box temperature is controlled at 1020 ℃ to 1040 ℃, calciner temperature is controlled at 870 ℃ to 890 ℃, and secondary air temperature is controlled at 820 ℃ to 850 ℃; Obtain not having raw meal prepared from lime special cement grog after the calcining.
3. no raw meal prepared from lime special cement grog according to claim 2 is characterized in that powder separating machine selects the meal behind the powder to continue into the raw mill grinding.
4. according to claim 2 or 3 described no raw meal prepared from lime special cement grogs, the coal dust that it is characterized in that providing calcined by rotary kiln is gone into ¢ 2.8*8 rice coal abrasive dust mill by raw coal after through PCH00808 hammer crushing crusher machine, and the fineness of making is gone into rotary kiln at the coal dust less than 12%.
5. no raw meal prepared from lime special cement grog according to claim 4 is characterized in that going into the special cement clinker warehouse after the no raw meal prepared from lime special cement grog of being produced cools off by the cooling machine.
6. the production method of a no raw meal prepared from lime special cement grog according to claim 1 is characterized in that being undertaken by following step: it is that the qualified raw material of fineness 10% to 12% scope are gone into the raw material homogenizing storehouse that the ferro-controlling raw material copper ashes of requirement, sal correction material coal gangue, sal correction material silica, industrial residue carbide slag are gone into by burden process that the raw mill grinding makes raw material and select behind the powder fine powder through powder separating machine; Raw material are gone into rotary kiln from the kiln tail after 0.03Mpa to 0.05Mpa air pressure homogenizing, coal dust sprays into the calcined by rotary kiln raw material from kiln hood, Rotary Kiln Control parameter: 900 ℃ to 1450 ℃ calcinings, the kiln hood negative pressure is controlled at the 39-41 handkerchief, the decomposing furnace negative pressure is controlled at the 500-540 handkerchief, and kiln tail smoke-box negative pressure is controlled at the 100-120 handkerchief, and the smoke-box temperature is controlled at 1020-1040 ℃, calciner temperature is controlled at 870-890 ℃, and secondary air temperature is controlled at 820-850 ℃; Obtain not having raw meal prepared from lime special cement grog after the calcining.
7. no raw meal prepared from lime special cement grog according to claim 6 is characterized in that powder separating machine selects the meal behind the powder to continue into the raw mill grinding.
8. according to claim 6 or 7 described no raw meal prepared from lime special cement grogs, the coal dust that it is characterized in that providing calcined by rotary kiln is gone into ¢ 2.8*8 rice coal abrasive dust mill by raw coal after through PCH00808 hammer crushing crusher machine, and the fineness of making is gone into rotary kiln at the coal dust less than 12%.
9. according to claim 6 or 7 described no raw meal prepared from lime special cement grogs, it is characterized in that going into the special cement clinker warehouse after the no raw meal prepared from lime special cement grog of being produced cools off by the cooling machine.
10. no raw meal prepared from lime special cement grog according to claim 8 is characterized in that going into the special cement clinker warehouse after the no raw meal prepared from lime special cement grog of being produced cools off by the cooling machine.
CN201010598775.5A 2010-12-21 2010-12-21 Special concrete clinker without limerock burdening and production method of special concrete clinker Active CN102092969B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106396435A (en) * 2016-04-18 2017-02-15 廖引家 Copper slag cement
CN107746193A (en) * 2017-09-27 2018-03-02 陕西北元化工集团股份有限公司 A kind of industrial residue oil-well cement and preparation method thereof
CN109336427A (en) * 2018-10-31 2019-02-15 内蒙古君正化工有限责任公司 A kind of carbide slag cement raw material and the method for preparing clinker using it

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1254690A (en) * 1998-11-23 2000-05-31 曾宪春 Process for increasing output and quality of cement
CN101182143A (en) * 2007-11-07 2008-05-21 北京航空航天大学 Preparation of composite high-expansion cementing material by using industrial slag and preparation technique thereof
CN101481223A (en) * 2009-02-04 2009-07-15 李三留 Method for producing composite gel material from industrial residue and composite material thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1254690A (en) * 1998-11-23 2000-05-31 曾宪春 Process for increasing output and quality of cement
CN101182143A (en) * 2007-11-07 2008-05-21 北京航空航天大学 Preparation of composite high-expansion cementing material by using industrial slag and preparation technique thereof
CN101481223A (en) * 2009-02-04 2009-07-15 李三留 Method for producing composite gel material from industrial residue and composite material thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106396435A (en) * 2016-04-18 2017-02-15 廖引家 Copper slag cement
CN107746193A (en) * 2017-09-27 2018-03-02 陕西北元化工集团股份有限公司 A kind of industrial residue oil-well cement and preparation method thereof
CN109336427A (en) * 2018-10-31 2019-02-15 内蒙古君正化工有限责任公司 A kind of carbide slag cement raw material and the method for preparing clinker using it

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