CN103992048A - Formula and calcination process for energy-saving environment-friendly cement raw material - Google Patents
Formula and calcination process for energy-saving environment-friendly cement raw material Download PDFInfo
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- CN103992048A CN103992048A CN201410201428.2A CN201410201428A CN103992048A CN 103992048 A CN103992048 A CN 103992048A CN 201410201428 A CN201410201428 A CN 201410201428A CN 103992048 A CN103992048 A CN 103992048A
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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
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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
- Y02P40/121—Energy efficiency measures, e.g. improving or optimising the production methods
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Abstract
The invention discloses a formula and a calcination process for an energy-saving environment-friendly cement raw material. The cement raw material comprises 20 to 30 parts of island-like Si-O-structured rock ore, 20 to 30 parts of annular Si-O-structured rock ore, 15 to 25 parts of lead-zinc metal tailings, 5 to 8 parts of limestone, 2 to 5 parts of montmorillonite, 2 to 5 parts of allophane, 1 to 3 parts of iron powder, 1 to 3 parts of pyrite, 1 to 3 parts of opal, 2 to 5 parts of sandstone, 2 to 5 parts of slag and 2 to 5 parts of bauxite. According to the invention, low-energy-consumption raw materials are used to replace high-quality limestone, active substances capable of reacting with CaO can be rapidly depolymerized during combustion, so energy consumption during combustion is saved, a carbon saving effect is obtained indirectly and shortage of energy and electric power supply is alleviated.
Description
[technical field]
The present invention relates to the technical field of the technical field, particularly energy saving and environment friendly cement slurry of cement slurry formula.
[background technology]
China is a manufacture of cement and consumes big country, China's energy supply situation is always more nervous in recent years, become the bottleneck of national economy sustainable development, save energy will be as fundamental state policy of China within the long term, National Development and Reform Committee within 2004, worked out specially first < < of China energy-conservation in long-term ad hoc planning > >: " energy-conservation is long-range strategy and policy of China's economy and social development, is also when last very urgent task.For promoting the whole society, carry out energy-saving and cost-reducingly, alleviate energy bottleneck restriction, build energy-efficient society, promote the sustainable development of socio-economy, realize the ambitious goal of building a well-off society in an all-round way ".Clearly proposing China must save energy and reduce the cost, and advocates resource and energy conservation type enterprise.So be necessary to propose a kind of energy saving and environment friendly cement slurry formula, both saved coal resources, indirectly reach again joint carbon effect, to alleviating the energy and power supply shortage, there is very important meaning.
[summary of the invention]
Object of the present invention solves the problems of the prior art exactly, a kind of energy saving and environment friendly cement slurry formula and sintering technology thereof are proposed, adopt less energy-consumption raw material to replace traditional high-quality Wingdale, depolymerization that can be very fast during burning goes out the active body of reacting with CaO, save burning energy consumption, indirectly reach joint carbon effect, to alleviating the energy and power supply shortage, have very important meaning.
For achieving the above object, the present invention proposes a kind of energy saving and environment friendly cement slurry formula, comprise that the ratio of following component and each component is: the rock ore deposit of island Si-O structure: 20～30 parts, the rock ore deposit of ring-type Si-O structure: 20～30 parts, plumbous zinc metal tailings: 15～25 parts, Wingdale: 5～8 parts, montmorillonite: 2～5 parts, diaspore English: 2～5 parts, iron powder: 1～3 part, pyrite: 1～3 part, opal: 1～3 part, sandstone: 2～5 parts, slag: 2～5 parts, aluminium vanadine: 2～5 parts.
As preferably, the rock ore deposit of described island Si-O structure is the one or any several mixture in peridotites, andaluzite and pistacite.
As preferably, the rock ore deposit of described ring-type Si-O structure be sillite, one or any several mixture in silicon vanadium strontium stone and beryl.
As preferably, described plumbous zinc metal tailings adopts fine ore class mine tailing, and the mine tailing that in plumbous zinc metal tailings, particle diameter is less than 0.02mm accounts for 30%～50%.
As preferably, comprise that the ratio of following component and each component is: the rock ore deposit of island Si-O structure: 21 parts, the rock ore deposit of ring-type Si-O structure: 21 parts, plumbous zinc metal tailings: 15 parts, Wingdale: 5 parts, montmorillonite: 2 parts, diaspore English: 2 parts, iron powder: 1 part, pyrite: 1 part, opal: 1 part, sandstone: 2 parts, slag: 2 parts, aluminium vanadine: 2 parts.
As preferably, comprise that the ratio of following component and each component is: the rock ore deposit of island Si-O structure: 26 parts, the rock ore deposit of ring-type Si-O structure: 26 parts, plumbous zinc metal tailings: 17 parts, Wingdale: 7 parts, montmorillonite: 3 parts, diaspore English: 3 parts, iron powder: 2 parts, pyrite: 2 parts, opal: 2 parts, sandstone: 3 parts, slag: 3 parts, aluminium vanadine: 3 parts.
As preferably, comprise that the ratio of following component and each component is: the rock ore deposit of island Si-O structure: 30 parts, the rock ore deposit of ring-type Si-O structure: 30 parts, plumbous zinc metal tailings: 25 parts, Wingdale: 8 parts, montmorillonite: 5 parts, diaspore English: 5 parts, iron powder: 3 parts, pyrite: 3 parts, opal: 3 parts, sandstone: 5 parts, slag: 5 parts, aluminium vanadine: 5 parts.
For achieving the above object, the invention allows for a kind of sintering technology of energy saving and environment friendly cement slurry formula, comprise the following steps successively:
A) batching: prepare energy saving and environment friendly cement slurry as claimed in claim 1, and each raw material is carried out to break process;
B) raw material prehomogenization: by stacker, the raw material of coming in is piled continuously in a certain way be as much as possiblely parallel to each other, the bed of material of upper and lower overlapping and same thickness; During feeding, in the direction perpendicular to the bed of material, cut all bed of materials as far as possible simultaneously, cut successively, until take;
C) pre-thermolysis: the ducted raw material of feeding cyclone preheater, under the impact with the hot gas flow that rises at a high speed, material is turned back upwards with air motion, is dispersed simultaneously; When air-flow carries material powder, enter after cyclone cylinder, be forced in the annulus between cyclone muff and inner core and do rotational flow, while and rotate and move downward, by cylindrical shell to cone, then then rotate up rising can extend to the end of cone always,, by vapor pipe, be discharged;
D) cement production systD: raw material complete after preheating and predecomposition in cyclone preheater, entering in rotary kiln and carry out burning till of grog, is finally 3～30 μ m by cement grog grinding to granularity, increases its aquation area, acceleration of hydration speed, meets the cement slurry requirement of condensing, harden.
Beneficial effect of the present invention: the logical rock ore deposit of island Si-O structure and the less energy-consumption raw materials such as rock ore deposit of ring-type Si-O structure of adopting of the present invention replaces traditional high-quality Wingdale; depolymerization that can be very fast during burning goes out the active body of reacting with CaO; save burning energy consumption; indirectly reach joint carbon effect; to alleviating the energy and power supply shortage, there is very important meaning; utilize mine tailing to improve Cement Quality simultaneously, turn waste into wealth, significant to environment protection.
[embodiment]
A kind of energy saving and environment friendly cement slurry formula of the present invention, the ratio that comprises following component and each component is: the rock ore deposit of island Si-O structure: 20～30 parts, the rock ore deposit of ring-type Si-O structure: 20～30 parts, plumbous zinc metal tailings: 15～25 parts, Wingdale: 5～8 parts, montmorillonite: 2～5 parts, diaspore English: 2～5 parts, iron powder: 1～3 part, pyrite: 1～3 part, opal: 1～3 part, sandstone: 2～5 parts, slag: 2～5 parts, aluminium vanadine: 2～5 parts, the rock ore deposit of described island Si-O structure is peridotites, one or any several mixture in andaluzite and pistacite, the rock ore deposit of described ring-type Si-O structure is sillite, one or any several mixture in silicon vanadium strontium stone and beryl, described plumbous zinc metal tailings adopts fine ore class mine tailing, the mine tailing that in plumbous zinc metal tailings, particle diameter is less than 0.02mm accounts for 30%～50%.
The sintering technology of a kind of energy saving and environment friendly cement slurry formula of the present invention, comprises the following steps successively:
A) batching: prepare energy saving and environment friendly cement slurry as claimed in claim 1, and each raw material is carried out to break process;
B) raw material prehomogenization: by stacker, the raw material of coming in is piled continuously in a certain way be as much as possiblely parallel to each other, the bed of material of upper and lower overlapping and same thickness; During feeding, in the direction perpendicular to the bed of material, cut all bed of materials as far as possible simultaneously, cut successively, until take;
C) pre-thermolysis: the ducted raw material of feeding cyclone preheater, under the impact with the hot gas flow that rises at a high speed, material is turned back upwards with air motion, is dispersed simultaneously; When air-flow carries material powder, enter after cyclone cylinder, be forced in the annulus between cyclone muff and inner core and do rotational flow, while and rotate and move downward, by cylindrical shell to cone, then then rotate up rising can extend to the end of cone always,, by vapor pipe, be discharged;
D) cement production systD: raw material complete after preheating and predecomposition in cyclone preheater, entering in rotary kiln and carry out burning till of grog, is finally 3～30 μ m by cement grog grinding to granularity, increases its aquation area, acceleration of hydration speed, meets the cement slurry requirement of condensing, harden.
Raw material prehomogenization meaning:
(1) homogenizing material composition, reduces quality fluctuation, is beneficial to the grog that the quality of production is higher, and the production of stable firing system.
(2) expand the utilization of mine resources, improve production efficiency, expand to greatest extent coverture and the interlayer in mine, in the process of mining, do not go out or go out less barren rock.
(3) can relax quality and the control requirement of mining, reduce the cost of winning in mine.(4) to glutinous wet stock strong adaptability.
(5) for factory provides raw material steady in a long-term, also can in stockyard, prepare burden by the raw material to different components, become prewired stockpile field, for stably manufactured and raising operation rate create conditions.
The appearance of using predecomposition technology is a technology leap of cement calcinating process.It is between preheater and rotary kiln, to set up decomposing furnace and utilize Uptake flue at kiln end, if fuel jetting device, make the endothermic process of the exothermic process of fuel combustion and the carbonate decomposition of raw material, in decomposing furnace, to carry out rapidly under suspended state or fluidized, the rate of decomposition of kiln raw material is brought up to more than 90%.Carbonate decomposition task by originally carrying out in rotary kiln, moves on in decomposing furnace and carries out; Fuel major part adds in decomposing furnace, and small part is added by kiln hood, has alleviated the thermal load of calcining zone in kiln, has extended the wadding life-span, is conducive to produce maximize; Because fuel mixes with raw material, fuel combustion heat passes to material in time, and burning, heat exchange and carbonate decomposition process are optimized.Thereby there is a series of premium propertiess and the features such as high-quality, efficient, low consumption.
Embodiment mono-:
An energy saving and environment friendly cement slurry formula, comprises that the ratio of following component and each component is: the rock ore deposit of island Si-O structure: 21 parts, and the rock ore deposit of ring-type Si-O structure: 21 parts, plumbous zinc metal tailings: 15 parts, Wingdale: 5 parts, montmorillonite: 2 parts, diaspore English: 2 parts, iron powder: 1 part, pyrite: 1 part, opal: 1 part, sandstone: 2 parts, slag: 2 parts, aluminium vanadine: 2 parts.
Embodiment bis-:
An energy saving and environment friendly cement slurry formula, comprises that the ratio of following component and each component is: the rock ore deposit of island Si-O structure: 26 parts, and the rock ore deposit of ring-type Si-O structure: 26 parts, plumbous zinc metal tailings: 17 parts, Wingdale: 7 parts, montmorillonite: 3 parts, diaspore English: 3 parts, iron powder: 2 parts, pyrite: 2 parts, opal: 2 parts, sandstone: 3 parts, slag: 3 parts, aluminium vanadine: 3 parts.
Embodiment tri-:
An energy saving and environment friendly cement slurry formula, comprises that the ratio of following component and each component is: the rock ore deposit of island Si-O structure: 30 parts, and the rock ore deposit of ring-type Si-O structure: 30 parts, plumbous zinc metal tailings: 25 parts, Wingdale: 8 parts, montmorillonite: 5 parts, diaspore English: 5 parts, iron powder: 3 parts, pyrite: 3 parts, opal: 3 parts, sandstone: 5 parts, slag: 5 parts, aluminium vanadine: 5 parts.
Above-described embodiment is to explanation of the present invention, is not limitation of the invention, any scheme after simple transformation of the present invention is all belonged to protection scope of the present invention.
Claims (8)
1. an energy saving and environment friendly cement slurry formula, is characterized in that: the ratio that comprises following component and each component is: the rock ore deposit of island Si-O structure: 20～30 parts, and the rock ore deposit of ring-type Si-O structure: 20～30 parts, plumbous zinc metal tailings: 15～25 parts, Wingdale: 5～8 parts, montmorillonite: 2～5 parts, diaspore English: 2～5 parts, iron powder: 1～3 part, pyrite: 1～3 part, opal: 1～3 part, sandstone: 2～5 parts, slag: 2～5 parts, aluminium vanadine: 2～5 parts.
2. a kind of energy saving and environment friendly cement slurry formula as claimed in claim 1, is characterized in that: the rock ore deposit of described island Si-O structure is the one or any several mixture in peridotites, andaluzite and pistacite.
3. a kind of energy saving and environment friendly cement slurry formula as claimed in claim 1, is characterized in that: the rock ore deposit of described ring-type Si-O structure be sillite, one or any several mixture in silicon vanadium strontium stone and beryl.
4. a kind of energy saving and environment friendly cement slurry formula as claimed in claim 1, is characterized in that: described plumbous zinc metal tailings adopts fine ore class mine tailing, and the mine tailing that in plumbous zinc metal tailings, particle diameter is less than 0.02mm accounts for 30%～50%.
5. a kind of energy saving and environment friendly cement slurry formula as claimed in claim 1, is characterized in that: the ratio that comprises following component and each component is: the rock ore deposit of island Si-O structure: 21 parts, and the rock ore deposit of ring-type Si-O structure: 21 parts, plumbous zinc metal tailings: 15 parts, Wingdale: 5 parts, montmorillonite: 2 parts, diaspore English: 2 parts, iron powder: 1 part, pyrite: 1 part, opal: 1 part, sandstone: 2 parts, slag: 2 parts, aluminium vanadine: 2 parts.
6. a kind of energy saving and environment friendly cement slurry formula as claimed in claim 1, is characterized in that: the ratio that comprises following component and each component is: the rock ore deposit of island Si-O structure: 26 parts, and the rock ore deposit of ring-type Si-O structure: 26 parts, plumbous zinc metal tailings: 17 parts, Wingdale: 7 parts, montmorillonite: 3 parts, diaspore English: 3 parts, iron powder: 2 parts, pyrite: 2 parts, opal: 2 parts, sandstone: 3 parts, slag: 3 parts, aluminium vanadine: 3 parts.
7. a kind of energy saving and environment friendly cement slurry formula as claimed in claim 1, is characterized in that: the ratio that comprises following component and each component is: the rock ore deposit of island Si-O structure: 30 parts, and the rock ore deposit of ring-type Si-O structure: 30 parts, plumbous zinc metal tailings: 25 parts, Wingdale: 8 parts, montmorillonite: 5 parts, diaspore English: 5 parts, iron powder: 3 parts, pyrite: 3 parts, opal: 3 parts, sandstone: 5 parts, slag: 5 parts, aluminium vanadine: 5 parts.
8. the sintering technology that energy saving and environment friendly cement slurry is filled a prescription, comprises the following steps successively:
A) batching: prepare energy saving and environment friendly cement slurry as claimed in claim 1, and each raw material is carried out to break process;
B) raw material prehomogenization: by stacker, the raw material of coming in is piled continuously in a certain way be as much as possiblely parallel to each other, the bed of material of upper and lower overlapping and same thickness; During feeding, in the direction perpendicular to the bed of material, cut all bed of materials as far as possible simultaneously, cut successively, until take;
C) pre-thermolysis: the ducted raw material of feeding cyclone preheater, under the impact with the hot gas flow that rises at a high speed, material is turned back upwards with air motion, is dispersed simultaneously; When air-flow carries material powder, enter after cyclone cylinder, be forced in the annulus between cyclone muff and inner core and do rotational flow, while and rotate and move downward, by cylindrical shell to cone, then then rotate up rising can extend to the end of cone always,, by vapor pipe, be discharged;
D) cement production systD: raw material complete after preheating and predecomposition in cyclone preheater, entering in rotary kiln and carry out burning till of grog, is finally 3～30 μ m by cement grog grinding to granularity, increases its aquation area, acceleration of hydration speed, meets the cement slurry requirement of condensing, harden.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104402259A (en) * | 2014-11-08 | 2015-03-11 | 湖南新宇农业科技有限公司 | Manufacturing method of radiation-resistant anti-shrinking hydraulic gel material |
| CN104446030A (en) * | 2014-11-25 | 2015-03-25 | 广西鱼峰水泥股份有限公司 | Method for improving mixing amount of mining and processing waste rock debris in P. C32.5 cement |
| CN104844033A (en) * | 2015-05-13 | 2015-08-19 | 张芳 | Cement preparation method |
| CN115286267A (en) * | 2022-08-18 | 2022-11-04 | 河北鼎星水泥有限公司 | Low-alkali high-strength cement clinker and processing technology thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104402259A (en) * | 2014-11-08 | 2015-03-11 | 湖南新宇农业科技有限公司 | Manufacturing method of radiation-resistant anti-shrinking hydraulic gel material |
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| CN104446030A (en) * | 2014-11-25 | 2015-03-25 | 广西鱼峰水泥股份有限公司 | Method for improving mixing amount of mining and processing waste rock debris in P. C32.5 cement |
| CN104844033A (en) * | 2015-05-13 | 2015-08-19 | 张芳 | Cement preparation method |
| CN115286267A (en) * | 2022-08-18 | 2022-11-04 | 河北鼎星水泥有限公司 | Low-alkali high-strength cement clinker and processing technology thereof |
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