CN107417144A - The method that low calcium matter complex cement raw material produces portland cement - Google Patents

The method that low calcium matter complex cement raw material produces portland cement Download PDF

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CN107417144A
CN107417144A CN201710768524.9A CN201710768524A CN107417144A CN 107417144 A CN107417144 A CN 107417144A CN 201710768524 A CN201710768524 A CN 201710768524A CN 107417144 A CN107417144 A CN 107417144A
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cement
raw material
stage casing
country rock
rock
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CN107417144B (en
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黄志德
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Huang Yu
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B7/00Hydraulic cements
    • C04B7/345Hydraulic cements not provided for in one of the groups C04B7/02 - C04B7/34
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B7/00Hydraulic cements
    • C04B7/36Manufacture of hydraulic cements in general
    • 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
    • Y02P40/121Energy efficiency measures, e.g. improving or optimising the production methods

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Soil Conditioners And Soil-Stabilizing Materials (AREA)

Abstract

The present invention relates to the method for low calcium matter complex cement raw material production portland cement, belong to rock and utilize technical field.This method is using country rock in Yunnan Province's Chuxiong Prefecture river group stage casing as raw material, to Bauxite homogenization, control Clinker Composition combination three rate value KH are 0.85 0.92, SM is 1.8 2.5, IM is formation cement slurry in 1.00 1.8 indexs;Obtained cement slurry is calcined at 1,280 1320 DEG C, obtains clinker.Described country rock is located in Jurassic system in system river group stage casing, originates in arch structure axle portion, and trend is in N25 ° of 70 ° of 25 ° of W, is inclined to 45 ° of NE, SW20 and is lied prostrate to SE sides.The present invention creatively by the use of country rock in a river group stage casing as the raw material for preparing cement, becomes stone as treasured, production process simplifies, and one burns a mill, shortens manufacture of cement flow, compared with conventional method, cost-effective more than 40 yuan/ton, has a good application prospect.

Description

The method that low calcium matter complex cement raw material produces portland cement
Technical field
The invention belongs to rock to utilize technical field, and in particular to a kind of low calcium matter complex cement raw material produces silicate cement The method of mud.
Background technology
Team of nonferrous metals geology office of Yunnan Province 313 is generally investigated the mining area silver ore of Chuxiong Prefecture in 1985-1993, construction Drilling 10, its top disclose system river group (J in thick big Jurassic system2Z2) stage casing stratum, with micrite and containing white clouds Matter micrite is main body, folder grey matter white clouds matter clay rock, grey argillaceous dolomite and aubergine mudstone, census report using it as The country rock of silver ore body.According to《Mineral resources industrial requirements handbook》Point out that " marl has oceanographic sedimentation and the lacustrine deposit origin cause of formation, lake The marl of deposition cannot function as cement raw material because content of MgO is too high." and the micrite that contains in the country rock is exactly lake institute Deposition, if too high containing MgO, require study solution, and all amounts of the rock are very big, how to turn waste into wealth as rock utilization technology The problem of field urgent need to resolve.
It by raw material of limestone ore deposit (CaO >=48%), clay pit and siliceous ore deposit is raw material that traditional manufacture of cement process, which is, point After other fragmentation, dispensing, for grinding to -80 μm, the cement slurry of formation turns into clinker through 1450 DEG C of calcining.Its production cost Height, energy consumption is also high, and waste discharge amount is big, and occupies high-purity limestone Raw Ore, hinders high-quality excellent use, the reality of transition and upgrade of resource It is existing.So highly desirable explore finds high-quality novel concrete raw material to take over conventional cement raw material.
The content of the invention
The invention aims to solve the deficiencies in the prior art, there is provided a kind of low calcium matter complex cement raw material produces silicon The method of acid salt cement.The present invention is creatively used as the original for preparing cement by the use of country rock in Yunnan Province's Chuxiong Prefecture river group stage casing Material, has expanded the type of cement raw material, enriches the metallogenic theory of different cement raw materials and improves its industrial utility value, eliminates The conventional cement enterprise that part falls behind, facilitates its high-quality excellent use, transition and upgrade, is advantageous to the sound development of cement industry, allows water Mud Enterprises Distribution is more reasonable.The present invention turns waste into wealth, and greatly reduces production cost, has a good application prospect.
To achieve the above object, the technical solution adopted by the present invention is as follows:
Country rock is as the application for preparing cement in Yunnan Province's Chuxiong Prefecture river group stage casing.
Described country rock is located in Jurassic system in system river group stage casing, originates in arch structure axle portion, in etc. oblique output, trend Lied prostrate in N25 ° of -70 ° of -25 ° of W, NE, SW20-45 ° of tendency and to SE along hillside side.
A kind of method of low calcium matter complex cement raw material production portland cement, comprises the following steps:With Yunnan Province Chuxiong Country rock is raw material in the Zhang Hezu stage casings of state, is crushed to less than after 3cm, to Bauxite homogenization, forms cement slurry;Control clinker Into subassembly three rate value KH be 0.85-0.92, SM 1.8-2.5, IM be in 1.00-1.8 indexs;As content of MgO > 2% When, SM 1.8-3.0, IM 1.00-2.0;
Obtained cement slurry is calcined at 1280~1320 DEG C so that CaO, SiO2、Al2O3、Fe2O3, MgO content Scope is respectively 60~62%, 19~22%, 4~6.5%, 3.3~4.6%, 3.1~4.8%, obtains clinker.
Percentage sign in clinker is according to weight meter, and remaining is customary impurities contained in mineral, and the present invention is right This is not limited.
It is further preferred that obtained cement slurry is calcined at 1300 DEG C, clinker is obtained.
Clinker obtained by the present invention can be according to existing finished cement model, with being matched somebody with somebody in conventional method using of the same race Material, such as gypsum, according to it is existing to KH (lime saturation factor), SM (silicon rate), IM (aluminium rate) computational methods, control KH (lime saturation factor) is that 0.85-0.92, SM (silicon rate) are that 1.8-25, IM (aluminium rate) are 1.00-1.80, according to three rates of clinker The scope and grind size of value, produce the cement of different size.
Raw material of the present invention --- low content complex cement raw material ore body is for micrite and containing magnesia micrite ash Rock and a small amount of matter clay rock of white clouds containing grey matter, a small amount of grey argillaceous dolomite collectively form.Mineral deposit category inland lake deep water mutually deposits Genetic type, it is based on the following:
1st, Middle Jurassic epoch mid-term the middle regions of the Yunnan Province riverbed sinks increase, and especially big lake basin in the land in a coastal waters are formed, with Xichang, Cheng Douhu Basin is connected, and many deep water occur in the general lake phase mutually deposits, and hollow Shuangbo County is exactly one of them, forms thick big deep water and mutually sinks Product micrite-clay rock series mineral deposit.
2nd, MgO is not exceeded in micrite grey matter mineral in rock, is low-Mg calcite matter, and similar pelagic facies ooze is made through diagenesis With into being the evidence that deep water mutually deposits.
3rd, " mud " particle diameter of micrite is less than 20 μm, and this raw material mineral granularity is less than 0.002mm, is only reached in lake water Micrite structure is deposited under more than 500m deepwater environment, has horizontal bedding again, shows that its output hydrodynamic condition is most weak or quiet Under water reducing environment, meet lake forecast about deep-water deposition;This is Deep lake deposit most strong evidence.
Features described above illustrates that this cement raw material mineral deposit belongs to inland lake deep water phase sedimentary origin, is the domestic even whole world the One lacustrine deposit cement raw material mineral deposit.
Through studying for many years, the lake institute Sedimentary Rock wants to be cement raw material to be needed to be thought deeply as follows applicant:First, Whether the micrite content of MgO is also too high;The second is micrite CaO content is low more than marl, how about ore deposit can be become Stone and cause treasured;Applicant solves above mentioned problem finally afterwards.It is as follows to conclude reason:
First, rock of the present invention is deposited by deep water phase, and it is the institute based on the low calcite containing MgO that deep water, which mutually deposits, It is not exceeded with rock content of MgO of the present invention;
Second, by a series of comprehensive studies, measuring and calculating is combined repeatedly to three rate values of portland cement, it is front and rear to have formed 33 raw material and 18 clinker results of measuring, raw, clinker meet the index request of three rate values, and its raw material < containing MgO 3.0%, its clinker < containing MgO 5.0%, and proved through building materials Specialty Design unit, raw material of the present invention is silicate Cement raw material.
The so-called low calcium matter complex cement raw material of the present invention refers to low CaO and SiO2, Al2O3、Fe2O3Component is compound in an ore deposit In vivo, for its chemical analysis through simple combination, then may conform to three cement raw material lime saturation factor, aluminium rate, silicon rate value indexs will The micrite asked presss from both sides a small amount of clayey and white clouds matter series rock feedstock, belongs to domestic new-found IIIth kind of cement raw material, because It has a variety of advantageous characteristics, is more valuable cement raw material.
It is hollow interior that raw material mining area of the present invention is in Yangtze paraplatform river Yunnan anticlise east Shuangbo County.
Mining area stratum:Jurassic system, low content complex cement raw material originate in a river group stage casing (J2Z2) in, thickness 100-140m, Originate in arch structure axle portion, substantially in etc. oblique output, trend be in N25 ° of -70 ° of -25 ° of W, tendency NE, SW20-45 °, slightly S-type exhibition Cloth, and lied prostrate to SE along hillside side, part crop out, micrite thickness 53-178m, top layer thickness 0- are disclosed through 10 drillings 12m.The long 1400m of Engineering Control, 168,520,000 tons of the wide 300-1600m preresearch estimates resource reserve of exposure, have large-scale, prediction 300,000,000-5 hundred million tons of distant view resource, after prospecting for mineral deposits, its stock number is up to giant deposits.Its casing structure form and output feelings Condition is as Figure 1-3.
Deposit mining technology condition category moderate environment geological problem, hydrogeologic condition is simple, and engineering geological condition is simple Type is (I-3) type, and ore is all had an opencast mining of, stripping-to-ore ratio 0.2:1.
Compared with prior art, its advantage is the present invention:
(1) Raw Material for Cement Production cost of the present invention is low, has expanded cement raw material new type again.Conventional cement material CaO >=48% and marl material CaO 40-50%, and micrite contains CaO >=28.02% in raw material of the present invention, the life of its cement The average CaO 39.42% of material, more much lower than traditional raw material and Parker's cement raw material, change rock causes treasured into ore;But the present invention Obtained excellent product performance, properties are similar to existing cement performance, no significant difference.The invention enables this part rock Industrial utilization is obtained, is turned waste into wealth, remarkable in economical benefits
(2) production process of the present invention is simple, and one burns a mill, shortens manufacture of cement flow, man-hour, expenses of labour is saved, with tradition Method is compared, and is reduced investment outlay, and compared with the enterprise with scale, can increase yield more than 10%, cost-effective more than 40 yuan/ Ton.
(3) the inventive method, can more saving administration fee and freight charges without using other dispensings.
(4) raw material of the present invention is less than 0.002mm (" mud " of micrite without particle, its micrite granularity substantially Particle diameter is less than 20 μm), hardness is low (2-2.5 degree), and fusing point is low (1250-1300 DEG C), frangible, easily burn till, saving energy, lowering energy consumption and reducing pollutants discharge.According to Cement expert Cai Yu is good to be compiled《Cement works technology and practice》In point out " to be calcined using high-purity limestone with low-grade limestone ratio Clinker, the typically low 10-15% " of its heat consumption, lower consumption emission reduction.So the present invention low melting point material with regard to more energy efficient, more general water Mud raw material and marl raw material are more superior.
(5) silicon in raw material of the present invention is the silicon in silicate, and inactive silicon, favourable worker health and ring Ensure safety.
(6) raw material of the present invention is containing appropriate MgO and compared with multi-crystallization water, can reduce clinker firing temperature and Consumption reduction, and increase amount of liquid phase, reduce and burn till viscosity, it is safe for operation in stove.
Raw material composition of the present invention has multinomial scientific and technical innovation to production technology, and competitiveness is extremely strong, and output is in the few water of scarce limestone In the Chuxiong Prefecture of mud, explore, develop the raw material and just can solve the few cement problem of the scarce limestone in area, moreover it is possible to created for place tens billion of First wealth, it is practical.
Brief description of the drawings
Fig. 1 is mining area terrain and geologic map;Ratio is 1:20000;
It in No. 32 line drawing in side sectional elevation ratios is 1 that Fig. 2, which is,:4000;
It in I line profilograph engineer's scales longitudinal direction ratio is 1 that Fig. 3, which is,:20000, vertical ratio is 1:10000.
Embodiment
With reference to embodiment, the present invention is described in further detail.
It will be understood to those of skill in the art that the following example is merely to illustrate the present invention, and it should not be regarded as limiting this hair Bright scope.In the examples where no specific technique or condition is specified, according to the technology or condition described by document in the art Or carried out according to product description.Material therefor or the unreceipted production firm person of equipment, it is that can be obtained by buying Conventional products.
Embodiment 1
A kind of method of low calcium matter complex cement raw material production portland cement, comprises the following steps:With Yunnan Province Chuxiong Country rock is raw material in the Zhang Hezu stage casings of state, is crushed to less than after 3cm, to Bauxite homogenization, forms cement slurry;Control clinker Into subassembly three rate value KH be 0.85-0.92, SM 1.8-2.5, IM be in 1.00-1.8 indexs;As content of MgO > 2% When, SM 1.8-3.0, IM 1.00-2.0;
Obtained cement slurry is calcined at 1280~1320 DEG C so that CaO, SiO2、Al2O3、Fe2O3, MgO content Scope is respectively 60~62%, 19~22%, 4~6.5%, 3.3~4.6%, 3.1~4.8%, obtains clinker.
Described country rock is located in Jurassic system in system river group stage casing, originates in arch structure axle portion, in etc. oblique output, trend Lied prostrate in N25 ° of -70 ° of -25 ° of W, NE, SW20-45 ° of tendency and to SE along hillside side, ore is easily adopted, broken, and burn-ability is good.
Embodiment 2
A kind of method of low calcium matter complex cement raw material production portland cement, comprises the following steps:With Yunnan Province Chuxiong Country rock is raw material in the Zhang Hezu stage casings of state, is crushed to less than after 3cm, to Bauxite homogenization, forms cement slurry;Control clinker Into subassembly three rate value KH be 0.85-0.92, SM 1.8-2.5, IM be in 1.00-1.8 indexs;As content of MgO > 2% When, SM 1.8-3.0, IM 1.00-2.0;
Obtained cement slurry is calcined at 1280~1320 DEG C so that CaO, SiO2、Al2O3、Fe2O3, MgO content Scope is respectively 60~62%, 19~22%, 4~6.5%, 3.3~4.6%, 3.1~4.8%, obtains clinker.
Described country rock is located in Jurassic system in system river group stage casing, originates in arch structure axle portion, in etc. oblique output, trend Lied prostrate in N25 ° of -70 ° of -25 ° of W, NE, SW20-45 ° of tendency and to SE along hillside side.
Embodiment 3
A kind of method of low calcium matter complex cement raw material production portland cement, comprises the following steps:With Yunnan Province Chuxiong Country rock is raw material in the Zhang Hezu stage casings of state, is crushed to less than after 3cm, to Bauxite homogenization, forms cement slurry;Control clinker Into subassembly three rate value KH be 0.85-0.92, SM 1.8-2.5, IM be 1.00-1.8 indexs;As content of MgO > 2% When, SM 1.8-3.0, IM 1.00-2.0;
Obtained cement slurry is calcined at 1280~1320 DEG C so that CaO, SiO2、Al2O3、Fe2O3, MgO content Scope is respectively 60~62%, 19~22%, 4~6.5%, 3.3~4.6%, 3.1~4.8%, obtains clinker.
Described country rock is located in Jurassic system in system river group stage casing, originates in arch structure axle portion, in etc. oblique output, trend Lied prostrate in N25 ° of -70 ° of -25 ° of W, NE, SW20-45 ° of tendency and to SE along hillside side.
Meanwhile contrasted raw material of the present invention and existing two kinds of raw materials, as a result as shown in table 1.
Table 1
The present invention in Yunnan Province's Chuxiong Prefecture Jurassic system in system river group stage casing on country rock grab sample 13 (according to drilling rock Property post weigh, this 13 samples have had certain representative), as shown in table 2 and table 4.
The sample chemical analysis result table of table 2
Note:13 samples are 1#~13#, and the name for tube sample boring or tunnel being followed by, interior bracket is auger Depth."/" represents unnamed.
Low calcium matter complex cement raw material production portland cement is prepared using 1#~13# afterwards, as a result such as table 3.
The Clinker Composition of table 3 and cement minerals mineral composition amount computational chart
Note:Unit of weight of each sample number below in bracket be ton, such as 4# (8.0), for 8.0 tons of No. 4 samples of use.
The rock constituents of table 4 calculate and Rock Name result table
Note:White clouds matter is formed by 1.4 times of MgO in the CaO of table 4, during calculating component, grey matter must subtract 1.4 × MgO Again divided by 0.5603, the as grey matter (CaCO of rock3)."/" represents unnamed.
Claystone averagely contains SiO238.70%th, MgO 4.37%, respectively 6 micrite respective items average value 3.7 times and 1.66 times, and SiO2 is far longer than (Al2O3+Fe2O3), the siliceous of micrite, and its Al can be supplemented2O3> Fe2O3, cement raw material is easily formed, maintains the integrality of holostrome In Carbonate Rock, i.e. J2Z2Flood micrite-clay rock An oversized novel concrete raw material ore body is formed, keeps the useful composition of four kinds of cement in same ore body.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its Equivalent thereof.

Claims (4)

1. country rock is as the application for preparing cement in Yunnan Province's Chuxiong Prefecture river group stage casing.
2. for country rock as the application for preparing cement, it is special in Yunnan Province's Chuxiong Prefecture according to claim 1 river group stage casing Sign is, described country rock is located in Jurassic system in system river group stage casing, originates in arch structure axle portion, in etc. oblique output, trend Lied prostrate in N25 ° of -70 ° of -25 ° of W, NE, SW20-45 ° of tendency and to SE along hillside side.
A kind of 3. method of low calcium matter complex cement raw material production portland cement, it is characterised in that comprise the following steps:With cloud It is raw material that south, which saves country rock in Chuxiong Prefecture river group stage casing, is crushed to less than after 3cm, to Bauxite homogenization, forms cement slurry; Control Clinker Composition combination three rate value KH be 0.85-0.92, SM 1.8-2.5, IM be in 1.00-1.8 indexs;Work as MgO During content > 2%, SM 1.8-3.0, IM 1.00-2.0;
Obtained cement slurry is calcined at 1280 ~ 1320 DEG C so that CaO, SiO2、Al2O3、Fe2O3, MgO content range Respectively 60 ~ 62%, 19 ~ 22%, 4 ~ 6.5%, 3.3 ~ 4.6%, 3.1 ~ 4.8%, obtain clinker.
4. the method for low calcium matter complex cement raw material production portland cement according to claim 3, it is characterised in that will Obtained cement slurry is calcined at 1300 DEG C, obtains clinker.
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1117557A (en) * 1977-10-05 1982-02-02 Vladimir A. Tokar Process for the preparation of portland cement clinker
US6406534B1 (en) * 1999-04-16 2002-06-18 Hassan Kunbargi Rapid hardening, ultra-high early strength portland-type cement compositions, novel clinkers and methods for their manufacture which reduce harmful gaseous emissions
CN103922618A (en) * 2014-03-26 2014-07-16 天津振兴水泥有限公司 Micro-expansion moderate heat portland cement and preparation method thereof
CN104310833A (en) * 2014-10-07 2015-01-28 吉林建筑大学 Functional admixture for improving durability of concrete and cement products and preparation method of functional admixture

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1117557A (en) * 1977-10-05 1982-02-02 Vladimir A. Tokar Process for the preparation of portland cement clinker
US6406534B1 (en) * 1999-04-16 2002-06-18 Hassan Kunbargi Rapid hardening, ultra-high early strength portland-type cement compositions, novel clinkers and methods for their manufacture which reduce harmful gaseous emissions
CN103922618A (en) * 2014-03-26 2014-07-16 天津振兴水泥有限公司 Micro-expansion moderate heat portland cement and preparation method thereof
CN104310833A (en) * 2014-10-07 2015-01-28 吉林建筑大学 Functional admixture for improving durability of concrete and cement products and preparation method of functional admixture

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
高兰等: "滇西北兰坪地区金顶超大型铅锌矿床架崖山-北厂矿段岩石地层特征", 《地质通报》 *

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