CN101638300A - Method for preparing cement clinker by taking lead-zinc tailing and electrolytic manganese pressing filter residue as raw materials - Google Patents
Method for preparing cement clinker by taking lead-zinc tailing and electrolytic manganese pressing filter residue as raw materials Download PDFInfo
- Publication number
- CN101638300A CN101638300A CN200910043912A CN200910043912A CN101638300A CN 101638300 A CN101638300 A CN 101638300A CN 200910043912 A CN200910043912 A CN 200910043912A CN 200910043912 A CN200910043912 A CN 200910043912A CN 101638300 A CN101638300 A CN 101638300A
- Authority
- CN
- China
- Prior art keywords
- electrolytic manganese
- raw material
- raw materials
- tailings
- press filtration
- 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.)
- Pending
Links
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
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention relates to a method for preparing cement clinker by taking lead-zinc tailing and electrolytic manganese pressing filter residue as raw materials, which is as follows: fully and uniformlymixing 65-75% of lead-zinic tailings, 6-8% of electrolytic manganese pressing filter residue (or shale or clay), 10-11% of soft coal and 1.5-3.5% of irony or aluminous correction raw materials, adding fluorite which occupies 0.4 of the total mass of the raw materials, mixture entering a rotary kiln after powder milling and carrying out sintering reaction in the temperature of 1300-1450 DEG C, burning for more than 30 minutes in a sintering zone, and then shock cooling to obtain clinker aggregate. The method of the invention is used for preparing cement clinker; raw materials are cheap and easily obtained, and have big consumption; the clinker and the corresponding cement have high strength and can effectively reduce the production cost of the cement.
Description
Technical field
The present invention relates to a kind of is the method that main raw material prepares cement clinker with Pb-Zn tailings and electrolytic manganese press filtration residues.
Background technology
Pb-Zn tailings is that the powdery or the fine sand shape waste residue of discharging after the flotation process ore dressing adopted in plumbous zinc dressing-works, electrolytic manganese press filtration residues is a powdery waste residue remaining behind the manganese ore electrowinning, general plumbous zinc ore dressing and electrolytic manganese enterprise adopt it mine tailing storehouse method to stack as refuse, so not only need take a large amount of farmlands as stacking the place, the tailing dam of Dui Fanging causes the potential potential safety hazard simultaneously, and harmful leachable wherein also can polluted source.Owing to mainly contain CaCO in the Pb-Zn tailings
3, and a small amount of SiO
2, Fe
2O
3, Al
2O
3With a small amount of MgO, and mainly contain SiO in the electrolytic manganese press filtration residues
2, Fe
2O
3, Al
2O
3, and a small amount of CaO, its composition is similar to cement slurry, contain small amounts of Pb, Zn, Cu in the Pb-Zn tailings simultaneously, electrolytic manganese press filtration residues contains multiple transition metals such as a small amount of Mn, is good mineralizer, cement burning there are mineralising and fluxing action, help improving burnability of raw material, improve clinker quality, but its usage quantity seldom, is generally 1～3% and (sees Yang Yanzong, Zhang Renrong, cement, 2005, (4), 22; Quan Shengmin, Yunnan building materials, 1999, (3), 29 etc.).Also there is just Pb-Zn tailings allocate raw material in addition, the instead of part clay, but its usage quantity generally is no more than 10% (Xuan Qingqing, Zhu Jianping, Li Dongxu, Xing Feng, silicate circular, 2007,26 (5), 929) of raw material weight.Calcareous raw material accounts for about 80% in cement slurry, can reach the purpose of this waste of mass consumption with Pb-Zn tailings replacing lime raw material, and reduces the manufacture of cement cost greatly.
Electrolytic manganese press filtration residues is because the composition of its uniqueness, be fit to match with above-mentioned Pb-Zn tailings, be equipped with an amount of irony or aluminium matter correction material, raw material production cement such as substitute for clay or shale fully, play the mass consumption electrolytic manganese press filtration residues, reduce land seizure and environmental pollution, have very big economic benefit and social benefit.
Summary of the invention
The purpose of this invention is to provide a kind of can be at normal firing temperature in rotary kiln, even more utilize Pb-Zn tailings, electrolytic manganese press filtration residues to be main raw material under the low temperature, 100% replace lime matter, clay or shale prepare the method for cement clinker.
The present invention is based on that following principle finishes: contains in the Pb-Zn tailings than higher Wingdale composition, and SiO
2, Al
2O
3, Fe
2O
3Less, and the SiO in the electrolytic manganese press filtration residues
2, Al
2O
3, Fe
2O
3Content is higher, if with electrolytic manganese press filtration residues shale or raw clay as an alternative, because of its sulfate radical content at 19-22%, need to do earlier to remove sulphuring treatment; By its SO after the technical finesse
3Content can be controlled in 0.8-1.6%, to not influence of manufacture of cement.Cooperate with electrolytic manganese press filtration residues with Pb-Zn tailings,, can reach and produce the required various oxide contents of cement according to suitable proportioning.In addition, because lead, the zinc of not selected is fully still arranged in Pb-Zn tailings, they mainly exist with oxide morphology, the accuracy of influence batching to a certain extent, also may influence the forming process of cement burning assembly procedure mesosilicic acid DFP, Dicalcium Phosphate (Feed Grade) and tricalcium aluminate, tetracalcium aluminoferrite, so should to Pb-Zn tailings under logical oxygen condition 700 ℃ carry out pre-burning, cement production process burns till routinely then.Through after the pre-burning, plumbous zinc changes into oxide form and exists, and can impel raw material liquid phase to occur under lower temperature, helps the formation of tricalcium silicate, so can play reduction firing temperature, energy saving purposes.
Technical scheme of the present invention is: in cement clinker preparation of the present invention, its raw material consist of (weight percent): Pb-Zn tailings 65-75%, electrolytic manganese press filtration residues (or shale or clay) 6-18%, bituminous coal 10-18%, irony or aluminium matter correction material 1.5 3.5%.The ratio of various oxide compounds is in the grog: CaO 55%～67%, SiO
218～25%, Al
2O
34.5～6%, Fe
2O
32～5%; Preferred wherein contained oxide ratios is: CaO 64%～67%, SiO
220～21%, Al
2O
34.5～6%, Fe
2O
32～3%; The grog that is burnt till consists of tricalcium silicate 45～65%, Dicalcium Phosphate (Feed Grade) 10～18%, and tricalcium aluminate 6～13%, tetracalcium aluminoferrite 9～15%, free calcium oxide is less than 2.5%.
The grog preparation process is: at first electrolytic manganese press filtration residues is done to remove sulphuring treatment, raw material are by (weight percent) aluminium zinc mine tailing 65-75% then, electrolytic manganese press filtration residues (or shale or clay) 6-18%, bituminous coal 10-18%, the ratio thorough mixing of irony or aluminium matter correction material 1.5 3.5% is even, the fluorite that adds raw material total amount 0.4% again, through grinding, make the raw material particle about 180 orders, then in the suspension nsp kiln under logical oxygen condition 700 ℃ carried out pre-burning 20-40 minute, make the abundant oxygenolysis of sulfide mineral component, compound enters rotary kiln then and burns till reaction, firing temperature is at 1300～1450 ℃, calcine more than 30 minutes at clinkering zone, quenching obtains grog, grog can pass through the 0.08mm square hole sieve through grinding to 90%, and specific surface area is greater than 300m
2/ Kg can use.
Advantage of the present invention:
1, raw material is cheap and easy to get, and consumption is big
100% uses the calcareous raw material of Pb-Zn tailings as manufacture of cement among the present invention, accounts for about 70% of raw material gross weight, is higher than the ratio (＜10%) of only using it to serve as clayey raw material as mineralizer (＜3%) or part far away.If 100% use electrolytic manganese press filtration residues as clayey raw material simultaneously, then raw material weight is the depleted mine tailing more than 95%, can be so that Pb-Zn tailings and the electrolytic manganese press filtration residues with producing instant generation stacked can be by a large amount of consumption.
2, can effectively reduce the manufacture of cement cost
Because Pb-Zn tailings contains beyond Pb, the Zn element, also contain a small amount of Cu, electrolytic manganese press filtration residues contains a small amount of Mn, can effectively reduce the temperature that liquid phase produces, impel the formation of tricalcium silicate simultaneously, therefore can (about 1300 ℃) burn till grog under than usually lower temperature, reduce fuel consumption.In addition, because Pb-Zn tailings and electrolytic manganese press filtration residues all are through grinding, the slag of ore dressing remainder, its granularity has substantially reached the granularity requirements of cement slurry, and the consumption of Pb-Zn tailings has accounted for the 65-75% of raw material gross weight in this invention, can be so that the energy consumption of raw grinding reduces 70～80%.Select factory's coproduction Pb-Zn tailings cement for plumbous zinc, more can the conservation trucking costs and buy the cost of calcareous raw material, have great cost advantage.If use electrolytic manganese press filtration residues as clayey raw material simultaneously, then cost advantage is more obvious.
3, grog and corresponding cement intensity height
The cement clinker that the present invention produces is early stage and later strength is all fine, and stability is good, and alkali content is low, uses the strength of cement height of its preparation, and every index meets latest national standards fully.
Specific embodiments
It is raw material that the strong birch Mining Limited Company in Huayuan adopts Pb-Zn tailings, electrolytic manganese press filtration residues and a certain proportion of bituminous coal, in rotary kiln, produce cement, each material chemical component representative data is as shown in table 1, each batch material composition difference to some extent in the production, need look the composition change and suitably change proportioning raw materials, (the rate value sees Table 3, and KH is a lime saturation factor to reach each rate value requirement that sets, SM is the silicon rate, and IM is the aluminium rate).
With Pb-Zn tailings, electrolytic manganese press filtration residues and a certain proportion of bituminous coal according to after table 2 batching, the fluorite grinding that adds raw material total amount 0.4% tails over less than 10% to 0.08mm, after the predecomposition oxidation, enter in the rotary kiln and calcine, free calcium oxide content illustrates that less than 2% grog burns till under the most of as can be seen condition of the content of the free calcium oxide of gained grog.
The dihydrate gypsum of the grog that burns till and 2% is mixed, and grinding less than 0.08mm, is measured its intensity according to national standard to granularity 90% in ball mill.The results are shown in Table 4
The typical composition of table 1 Pb-Zn tailings, electrolytic manganese press filtration residues and bituminous coal ash
| Raw material | ??SiO 2 | ??Fe 2O 3 | ??Al 2O 3 | ??CaO | ??MgO | ??SO 3 | ??Pb | ??Zn | ??Cu |
| Pb-Zn tailings | ??2.288 | ??0.225 | ??0.747 | ??52.65 | ??1.704 | ??1.6 | ??1.04 | ??0.35 | ??0.2 |
| Electrolytic manganese press filtration residues | ??64.656 | ??1.648 | ??13.294 | ??3.637 | ??3.673 | ??1.07 | ??/ | ??/ | ??/ |
| Bituminous coal | ??59.59 | ??2.27 | ??10.15 | ??8.76 | ??17.46 | ??/ | ??/ | ??/ | ??/ |
Table 2 raw material are formed proportioning
| Design number | Pb-Zn tailings (%) | Electrolytic manganese press filtration residues (%) | Bituminous coal (%) | Irony or aluminium matter correction material (%) | Summation |
| ??A | ??70.5 | ??12.9 | ??14 | ??2.6 | ??100 |
| ??B | ??71 | ??12.4 | ??14 | ??2.6 | ??100 |
| ??C | ??71.5 | ??12 | ??13.9 | ??2.6 | ??100 |
| ??D | ??72.5 | ??11.8 | ??13.4 | ??2.3 | ??100 |
Burn-ability experimental result under the various proportion schemes of table 3
| Sample number into spectrum | ??KH | ??SM | ??IM | Calcining temperature (℃) | ??f-CaO(％) |
| ??A | ??0.84 | ??2.06 | ??1.30 | ??1350 | ??1.134 |
| ??B | ??0.87 | ??2.03 | ??1.28 | ??1350 | ??1.27 |
| ??C | ??0.90 | ??2.01 | ??1.20 | ??1350 | ??1.65 |
| ??D | ??0.94 | ??2.09 | ??1.40 | ??1350 | ??1.83 |
Table 4 part cement clinker strength data
Claims (1)
1, a kind of is the method that main raw material prepares cement clinker with Pb-Zn tailings and electrolytic manganese press filtration residues, the invention is characterized in and at first electrolytic manganese press filtration residues is done to remove sulphuring treatment, raw material are by (weight percent) Pb-Zn tailings 65-75% then, electrolytic manganese press filtration residues (or shale or clay) 6-18%, bituminous coal 10-18%, the ratio thorough mixing of irony or aluminium matter correction material 1.5-3.5% is even, the fluorite that adds raw material total amount 0.4% again, through grinding, make the raw material particle about 180 orders, then in the suspension nsp kiln under logical oxygen condition 700 ℃ carried out pre-burning 20-40 minute, make the abundant oxygenolysis of sulfide mineral component, compound enters rotary kiln then and burns till reaction, firing temperature is at 1300～1450 ℃, calcine more than 30 minutes at clinkering zone, quenching obtains grog, grog can pass through the 0.08mm square hole sieve through grinding to 90%, and specific surface area is greater than 300m
2/ Kg can use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910043912A CN101638300A (en) | 2009-07-11 | 2009-07-11 | Method for preparing cement clinker by taking lead-zinc tailing and electrolytic manganese pressing filter residue as raw materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910043912A CN101638300A (en) | 2009-07-11 | 2009-07-11 | Method for preparing cement clinker by taking lead-zinc tailing and electrolytic manganese pressing filter residue as raw materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101638300A true CN101638300A (en) | 2010-02-03 |
Family
ID=41613509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910043912A Pending CN101638300A (en) | 2009-07-11 | 2009-07-11 | Method for preparing cement clinker by taking lead-zinc tailing and electrolytic manganese pressing filter residue as raw materials |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101638300A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105236775A (en) * | 2015-09-18 | 2016-01-13 | 花垣县强桦矿业有限责任公司 | Method for producing active mixed material from manganese ore flotation tailings |
| CN105271847A (en) * | 2015-09-18 | 2016-01-27 | 花垣县强桦矿业有限责任公司 | Method for preparing cement clinker form lead-zinc ore and manganese ore flotation tailing as raw material |
| CN110615627A (en) * | 2019-09-02 | 2019-12-27 | 中国建筑材料科学研究总院有限公司 | Early-strength low-heat cement for railway engineering and preparation method thereof |
| CN111644269A (en) * | 2020-06-02 | 2020-09-11 | 中蓝长化工程科技有限公司 | Method for comprehensively utilizing electrolytic manganese slag resources |
-
2009
- 2009-07-11 CN CN200910043912A patent/CN101638300A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105236775A (en) * | 2015-09-18 | 2016-01-13 | 花垣县强桦矿业有限责任公司 | Method for producing active mixed material from manganese ore flotation tailings |
| CN105271847A (en) * | 2015-09-18 | 2016-01-27 | 花垣县强桦矿业有限责任公司 | Method for preparing cement clinker form lead-zinc ore and manganese ore flotation tailing as raw material |
| CN110615627A (en) * | 2019-09-02 | 2019-12-27 | 中国建筑材料科学研究总院有限公司 | Early-strength low-heat cement for railway engineering and preparation method thereof |
| CN111644269A (en) * | 2020-06-02 | 2020-09-11 | 中蓝长化工程科技有限公司 | Method for comprehensively utilizing electrolytic manganese slag resources |
| CN111644269B (en) * | 2020-06-02 | 2022-04-29 | 中蓝长化工程科技有限公司 | Method for comprehensively utilizing electrolytic manganese slag resources |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101525216A (en) | Method for preparing cement clinker by taking lead-zinc tailings as main raw material | |
| CN107200486A (en) | A kind of highly doped industrial residue cement and preparation method thereof | |
| CN106698986B (en) | A kind of preparation method of sulphoaluminate cement clinker | |
| CN103373826B (en) | A kind of method utilizing iron tailings to prepare low-carbon cement clinker | |
| CN105541143A (en) | Method for producing high-strength low-carbon cement clinkers by using novel dry-method rotary kiln system | |
| CN103553377B (en) | Method for producing silicate clinker by using yellow phosphorus slag to replace part of clay | |
| EA031499B1 (en) | Method for producing calcium sulfoaluminate clinker, method of manufacturing a calcium sulfoaluminate cement and binder comprising this cement | |
| CN102249575A (en) | Application of waste tailing silicon powder from beneficiation as raw material for preparing portland cement | |
| CN108164164A (en) | Complex cement and preparation method thereof | |
| CN102745932A (en) | Preparation method and application of PD composite mineral admixture containing silica fume | |
| CN102649628B (en) | Method for producing super-low-alkali silicate cement clinker by using industrial waste residue on 5KT/D dry-process kiln | |
| CN114409284A (en) | Low-carbon portland cement clinker taking tungsten tailings as raw material and preparation method thereof | |
| CN111925141A (en) | Method for preparing cement clinker from high-magnesium high-soda limestone | |
| CN101580347B (en) | Composite industrial residue mineralizer cement clinker | |
| CN112661424A (en) | Environment-friendly cement and preparation method thereof | |
| CN112159128A (en) | Low-energy-consumption cement clinker and preparation method thereof | |
| RU2393241C1 (en) | Procedure for processing fine-dispersed sodium-fluorine-carbon containing wastes of electrolytic production of aluminium | |
| CN103992049B (en) | Bessemer furnace slag is utilized to correct the cement clinker preparation method of irony | |
| CN101638300A (en) | Method for preparing cement clinker by taking lead-zinc tailing and electrolytic manganese pressing filter residue as raw materials | |
| CN1315749C (en) | High strength silicate clinker and its preparing method | |
| CN101671130B (en) | Method for preparing cement clinkers by using lead-zinc tailings and vanadium extraction residues from stone coal or stone coal as main raw materials | |
| CN101462837B (en) | Method for producing cement clinker | |
| CN108752005A (en) | The technique that a kind of ardealite and red mud prepare composite ceramic material co-producing sulfuric acid | |
| CN101671131A (en) | Method for co-producing cement, sulfuric acid and gypsum by using lead-zinc tailings and acid-leaching electrolytic manganese residues as main raw materials | |
| CN110228956A (en) | A kind of Portland clinker of high compressive strength and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20100203 |