CN104844043A - Method and device used for preparing high-activity mineral material - Google Patents
Method and device used for preparing high-activity mineral material Download PDFInfo
- Publication number
- CN104844043A CN104844043A CN201510174997.7A CN201510174997A CN104844043A CN 104844043 A CN104844043 A CN 104844043A CN 201510174997 A CN201510174997 A CN 201510174997A CN 104844043 A CN104844043 A CN 104844043A
- Authority
- CN
- China
- Prior art keywords
- mineral
- precipitator
- vertical tube
- mineral powder
- calcining
- 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.)
- Granted
Links
Landscapes
- Processing Of Solid Wastes (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention relates to the field of material processing, and especially relates to a method and a device used for preparing a high-activity mineral material. The method comprises following steps: a mineral raw material is grinded into mineral powder with a particle size less than 200<mu>m; the mineral powder is calcined, and is cooled to as to obtain the high-activity mineral material. According to the method, grinding is adopted firstly, and calcining is adopted later, the mineral raw material is grinded until particle size is less than 200<mu>m, and then is subjected to calcining; powder particles are fine, so that calcining time can be shortened greatly, thermal efficiency is increased, unit volume yield is increased greatly, calcining quality is improved, the obtained high-activity mineral material is high in activity coefficient, low in water requirement, excellent in appearance colour, and high in particle sphericility. It is confirmed by experiments that product performance is better than that of second class powered coal ash, and application prospect is promising. The disclosed corresponding device is capable of satisfying production requirements preferably.
Description
Technical field
The present invention relates to material processing field, in particular to a kind of method and the device thereof of producing high-activity mineral material.
Background technology
Utilize coal ore, the raw mineral materialss such as shale are produced high-activity mineral material and are had very long history, and forefathers have also done large quantifier elimination to this, but up to now, do not research and develop a kind of production technique and facility efficiently.Mostly because letter is produced with regard to plain; Current production method roughly has two kinds, and one is outdoor heap roasting, and another kind utilizes shaft furnace to calcine, two kinds of methods all exist burn till of poor quality, the problem that production efficiency is low.
In view of this, special proposition the present invention.
Summary of the invention
The first object of the present invention is to provide a kind of method of producing high-activity mineral material, the method is for the weak point of existing production method, research and develop a kind of brand-new production technique, it is high that this production technique has efficiency, technique is simple, the advantages such as easy operation grasp, burn till good product quality, are better than conventional production methods.
The second object of the present invention is the device providing a kind of described method, and this device has equipment few easy workout part, easily operates the advantages such as grasp.
In order to realize above-mentioned purpose of the present invention, spy by the following technical solutions:
Produce a method for high-activity mineral material, comprise the following steps:
Raw mineral materials is ground into mineral powder, and the particle diameter of described mineral powder is less than 200 μm;
Calcine described mineral powder, the mineral powder after calcining, through cooling, obtains high-activity mineral material.
The method of production high-activity mineral material provided by the invention, adopt the technique of calcine after grind, first mineral material is crushed to less than 200 μm, calcine again, because material powder particles is tiny, greatly can shorten firing time, improve thermo-efficiency, significantly improve unit volume output, improve and burn till quality.The high-activity mineral material that the method is produced, the series of advantages such as have reactivity coefficient high, water requirement is low, and appearance luster is good, and particle sphericity is high.Through verification experimental verification, product performance are better than second class powered coal ash, are with a wide range of applications.
Further, described raw mineral materials is with SiO
2, Al
2o
3for the natural minerals of main component.
Preferably, the temperature of described calcining is 500 DEG C-700 DEG C.Temperature as calcining can be 500 DEG C, 550 DEG C, 600 DEG C, 650 DEG C, 700 DEG C etc.Mineral powder forms vitreum through this high temperature, particle surface affected by force under suspended state, and produce the high-activity mineral material shrinking and form almost spherical body, the concrete water requirement mixing high-activity mineral material provided by the invention is low, and mobility improves.
Further, the SiO in described raw mineral materials chemical constitution
2weight percentage be 50%-80%, Al
2o
3weight percentage be 10%-30%.
Particularly, described raw mineral materials is any one or more in coal gangue, shale, sandstone, clay.
The high-activity mineral material finally obtained comprises the mineral admixture or active addition that use in concrete or manufacture of cement.
In order to shorten firing time, preferably, described mineral powder first carries out preheating before calcination.
In order to save energy, preferably, the heat of recovery is calcined described in the thermal source of described preheating.
Preferably, described mineral powder is calcined with the state suspended.Mineral powder carries out heat exchange be in suspended state in vertical tube stove under, and material powder is heated evenly, and burns till quality and significantly improves.
Present invention also offers the device of the method implementing described production high-activity mineral material, comprising: vertical tube calcining furnace, roasting kiln, dust-precipitator, induced draft fan;
The top of described vertical tube calcining furnace is provided with opening for feed, and the bottom of described vertical tube calcining furnace is communicated with described roasting kiln;
Be provided with preheating tube in described vertical tube calcining furnace, described preheating tube extends in described roasting kiln;
Described vertical tube calcining furnace is connected by pipeline with described dust-precipitator; Described induced draft fan is connected with described dust-precipitator.
Device provided by the invention, mineral powder enters vertical tube calcining furnace by opening for feed, and mineral powder is in the process of sinking, utilize the abundant preheating of preheating tube, add the heat exchanger time of mineral powder, ensure that and burn till quality, reduce the design height of vertical tube calcining furnace simultaneously; Roasting kiln provides high temperature gas flow for vertical tube calcining furnace, and mineral powder is burnt till with the state suspended after the abundant preheating of preheating tube in vertical tube calcining furnace; Induced draft fan makes to be in negative pressure state in vertical tube calcining furnace, and the mineral powder after burning till enters in dust-precipitator, collects the calcinate in dust-precipitator, namely obtains high-activity mineral material.
Preferably, the bottom of described preheating tube is provided with blocking material plate.The bottom of preheating tube arranges blocking material plate, with better dispersed mineral powder, mineral powder is fully burned, improves the quality of products.
Preferably, described device also comprises feed bin, gauger and dumper;
Described feed bin is connected with described gauger, and described dumper is connected with described opening for feed, and described gauger enters the consumption of described dumper for the mineral powder controlled in described feed bin.
Raw mineral materials is through crusher in crushing, pulverizer grinding is to the fineness of regulation, obtain mineral powder, mineral powder is delivered to feed bin through lift, then flow to dumper (as air valve) through gauger (as spiral metering reamer), then mineral powder enters vertical tube calcining furnace by opening for feed.In this process, gauger controls the injected volume of mineral powder, ensures the quality of calcining, realizes automated operation.
Preferably, described dust-precipitator comprises gravity dust-precipitator, cyclone and bagroom, and described cyclone is communicated with described dumper, and described bagroom is connected with described cyclone, and described induced draft fan is connected with described bagroom;
Described gravity dust-precipitator is connected with the top of described vertical tube calcining furnace.
Wherein, cyclone, for collecting the mineral material through preheating, is then delivered to the dumper on calcining furnace, thus enters in calcining furnace and calcine, and calcinate collected by gravity dust-precipitator, makes the product that obtains purer, improves the quality of products.Meanwhile, utilize dust-precipitator gas waste-heat, preheating is carried out to mineral powder, can thermo-efficiency be improved, reduce the gas flow temperature entering bagroom, to guarantee that bagroom normally runs.
Preferably, the pipeline between described feed bin with described cyclone is communicated with described gravity dust-precipitator.Like this, the waste heat in gravity dust-precipitator is used for the mineral powder that preheating enters, save energy, and reduces the time of calcining needs.
Preferably, the first water cooler is also provided with between described gravity dust-precipitator and described vertical tube calcining furnace.First water cooler is used for calcinate to cool, and makes the mineral powder after calcining be about 400 DEG C, generally between 380-450 DEG C, realizes the rapid cooling of burning till product, improves the quality of products.
Preferably, the bottom of described gravity dust-precipitator is provided with the second water cooler.Mineral powder temperature after calcining is reduced to less than 100 DEG C by the second water cooler.Firing system of the present invention, by being furnished with secondary cooling system, is conducive to the quick cooling of burning till material, improves the vitreum content of calcinate, and reduce the water requirement of product, quality product improves greatly.
Preferably, the waste heat that described first water cooler produces passes in described roasting kiln.Water cooler waste heat enters coal dust furnace through reclaiming, and improves thermo-efficiency, save energy.
Preferably, described vertical tube calcining furnace is also provided with temperature control system.The present invention is provided with temperature controlling system, can realize the accurate control of firing temperature, improves and burns till quality.
Flow direction of material in device provided by the invention is roughly:
Raw material feed bin---spiral metering reamer---cyclone---preheating tube---vertical tube calcining furnace---the first water cooler---gravity suction cleaner---second water cooler---finished product.
Air flow direction is roughly:
Freezing air---the first water cooler---coal dust furnace---vertical tube calcining furnace---the first water cooler---gravity suction cleaner---cyclone preheater---bagroom---induced draft fan.
Technique provided by the invention adopts calcine after grind technique, and traditional method adopts the rear grinding process of first calcining.
Compared with prior art, beneficial effect of the present invention is:
(1) mineral powder carries out heat exchange be in suspended state in vertical tube calcining furnace under, and material powder is heated evenly, and burns till quality and significantly improves.
(2) because material powder particles is tiny, greatly can shorten firing time, significantly improve kiln unit volume output.
(3) expect that powder particles forms vitreum through high temperature, particle surface affected by force under suspended state, produce and shrink formation almost spherical body, therefore, the concrete water requirement mixing the high-activity mineral material of this explained hereafter is low, and mobility improves.
(4) firing system in the present invention is furnished with secondary cooling system, is conducive to the quick cooling of burning till material, improves the vitreum content of calcining, is conducive to improving product degree of mobilization, and reduce the water requirement of product, quality product improves greatly.
(5) production technique of the present invention and facility accurately can realize the control of firing temperature, and mineral material under certain temperature conditions, burns out highly active high-activity mineral material, and the high-activity mineral material activity coefficient that this production technique is produced significantly improves.
Accompanying drawing explanation
In order to be illustrated more clearly in the specific embodiment of the invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the device of the enforcement production high-activity mineral MATERIALS METHODS that Fig. 1 provides for the embodiment of the present invention 1;
The structural representation of the device of the enforcement production high-activity mineral MATERIALS METHODS that Fig. 2 provides for the embodiment of the present invention 2;
Reference numeral:
1-vertical tube calcining furnace; 2-roasting kiln; 3-dust-precipitator;
4-induced draft fan; 5-temperature-indicating instrument; 6-opening for feed;
7-preheating tube; 8-dumper; 9-gauger;
10-feed bin; 11-cyclone; 12-bagroom;
13-gravity dust-precipitator; 14-first water cooler; 15-second water cooler;
16-blocking material plate.
Embodiment
Be clearly and completely described technical scheme of the present invention below in conjunction with accompanying drawing, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In describing the invention, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second ", " the 3rd " only for describing object, and can not be interpreted as instruction or hint relative importance.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, particular case above-mentioned term concrete meaning in the present invention can be understood.
Embodiment 1
In order to verify the feasibility of production technique of the present invention and facility, applicant spy has built a test kiln, and the structure of test kiln is shown in Fig. 1.The device implementing the method for producing high-activity mineral material comprises vertical tube calcining furnace 1, roasting kiln 2, dust-precipitator 3, induced draft fan 4, temperature-indicating instrument 5, and the top of vertical tube calcining furnace is provided with opening for feed 6, and the bottom of vertical tube calcining furnace 1 is communicated with roasting kiln 2; Be provided with preheating tube 7 in vertical tube calcining furnace 1, preheating tube 7 extends in roasting kiln 2.
Raw mineral materials obtains mineral powder through pulverizing, and mineral powder enters vertical tube calcining furnace 1 by opening for feed 6, and mineral powder is in the process of sinking, utilize preheating tube 7 fully preheating, add the heat exchanger time of mineral powder, ensure that and burn till quality, reduce the design height of vertical tube calcining furnace 1 simultaneously; Roasting kiln 2 provides high temperature gas flow for vertical tube calcining furnace 1, and mineral powder is burnt till with the state suspended after preheating tube 7 fully preheating in vertical tube calcining furnace 1; Induced draft fan 4 makes to be in negative pressure state in vertical tube calcining furnace 1, and the mineral powder after burning till enters in dust-precipitator 3, collects the calcinate in dust-precipitator 3, namely obtains high-activity mineral material.The high-activity mineral material that the method is produced, have reactivity coefficient high, numerical value is between 0.7-0.8; Water requirement is low, and appearance luster is good, in Dark grey, and the series of advantages such as particle sphericity is high.Through verification experimental verification, product performance are better than second class powered coal ash, are with a wide range of applications.
Use the device of Fig. 1 that mineral powder is produced into high-activity mineral material.
(1) experimental procedure is as follows:
1) by levigate for the laboratory mill in 10kg coal gangue laboratory, make sample when use 45 μm of cribellum screenings, residual content is less than 25%, and the sample number into spectrum obtained is 0#.
2) firewood is placed in roasting kiln 2, lights rear unlatching induced draft fan 4.When the temperature that temperature measuring set measures reaches 500 DEG C, start immediately to feed intake, and keep firing temperature 500 ± 10 DEG C, close induced draft fan 4 after the about 3kg that feeds intake, taken out from cyclone 3 by the sample burnt till, the sample number into spectrum obtained is 1#.
3) open induced draft fan 4, continue to be warming up to 600 DEG C, after the 3kg that feeds intake, close induced draft fan 4, sample is taken out and is numbered 2#.
4) open blower fan 4, feed intake 3kg when temperature rises to 700 DEG C, closes induced draft fan 4 by sample place to go, be numbered 3#.
5) Youxian County long-range cement P.I (42.5 grades) 5kg is got, sample number into spectrum 4#.
In said process, because feed ratio is less, the sample obtained after calcining can Temperature fall.
(2) test-results
Sample obtained above is carried out the item-test such as fineness, cement mortar strength, water demand ratio, loss on ignition by GB, and check data is in table 1.
The check data of the different sample of table 1
Other correlation test data
1) the high-activity mineral material sample of Pingxiang literary composition peak building materials local method explained hereafter burnt in a heap, numbering 1#.
2) the high-activity mineral material of cement mill, gold pool mechanical shaft kiln burning production, sample number into spectrum 2#.
3) the high-activity mineral material of the celestial Yu Tufa in Zhuzhou explained hereafter burnt in a heap, sample number into spectrum 3#.
4) Weihe sun second class powered coal ash of factory enters in Chaling par Shang Tong company, sample number into spectrum 4#.
5) three grades of flyash of factory enter in Shang Tong company in Chaling, sample number into spectrum 5#.
6) the P.I.42.5 class g cement numbering 6# of Youxian County's long-range cement mill production.
Other associated sample are carried out the item-test such as fineness, cement mortar strength, water demand ratio, loss on ignition by GB, and check data is in table 2.
The check data of other samples of table 2
As can be seen from the data of table 1 and table 2, the method for production high-activity mineral material provided by the invention the results showed, burns till good product quality, is better than conventional production methods.
Embodiment 2
The schematic diagram of the another kind of device of the method for the enforcement production high-activity mineral material that Fig. 2 provides for the embodiment of the present invention.As can be seen from Figure 2, in this device, comprise vertical tube calcining furnace 1, roasting kiln 2, dust-precipitator, induced draft fan 4, feed bin 10, gauger 9, dumper 8;
Wherein, feed bin 10 is connected with gauger 9, and dumper 8 is connected with opening for feed, and gauger 9 enters the consumption of dumper 8 for the mineral powder controlled in described feed bin 10.Raw mineral materials is through crusher in crushing, pulverizer grinding is to the fineness of regulation, obtain mineral powder, mineral powder is delivered to feed bin through lift, then flow to dumper 8 (as air valve) through gauger 9 (as spiral metering reamer), then mineral powder enters vertical tube calcining furnace 1 by opening for feed.In this process, gauger 9 controls the injected volume of mineral powder, ensures the quality of calcining, realizes automated operation.
Dust-precipitator comprises gravity dust-precipitator 13, cyclone 11 and bagroom 12, and cyclone 11 is communicated with dumper 8, and bagroom 12 is connected with cyclone 11, and induced draft fan 4 is connected with bagroom 12; Gravity dust-precipitator 13 is connected with the top of vertical tube calcining furnace 1.
Wherein, cyclone 11, for collecting the mineral material through preheating, is then transported in calcining furnace and calcines, and calcinate collected by gravity dust-precipitator 13.Utilize dust-precipitator gas waste-heat simultaneously, preheating is carried out to mineral powder, can thermo-efficiency be improved, reduce the gas flow temperature entering bagroom 12, to guarantee that bagroom normally runs.The mineral material that bagroom is not collected completely for collecting cyclone, to reach qualified discharge, the mineral material recoverable of collection, improves output capacity.
Pipeline between feed bin 10 with cyclone 11 is communicated with gravity dust-precipitator 13.Like this, the waste heat in gravity dust-precipitator 13 is used for the mineral powder that preheating enters, save energy, and reduces the time of calcining needs.
The first water cooler 14 is also provided with between gravity dust-precipitator 13 and vertical tube calcining furnace 1.First water cooler 14, for being cooled by calcinate, makes the mineral powder after calcining between 380-450 DEG C, realizes the rapid cooling of burning till product, improves the quality of products.
The bottom of gravity dust-precipitator 13 is provided with the second water cooler 15, and the mineral powder temperature after calcining is reduced to less than 100 DEG C.Firing system of the present invention, by being furnished with secondary cooling system, is conducive to the quick cooling of burning till material, improves the vitreum content of calcining, is conducive to improving product degree of mobilization, and reduce the water requirement of product, quality product improves greatly.
The waste heat that first water cooler 14 produces passes in roasting kiln 2.Like this, water cooler waste heat enters coal dust furnace through reclaiming, and improves thermo-efficiency, save energy.
The bottom of preheating tube 7 is provided with blocking material plate 16.The bottom of preheating tube 7 arranges blocking material plate 16, with better dispersed mineral powder, mineral powder is fully burned, improves the quality of products.
Vertical tube calcining furnace is also provided with temperature control system, and temperature control system is temperature-indicating instrument 5, realizes the accurate control of firing temperature, improves and burns till quality.
Use the device of Fig. 2 that mineral powder is produced into high-activity mineral material.
Group 1: by levigate for shale laboratory mill, the mineral powder particle diameter obtained is less than 200 μm, drop in the device in Fig. 2, calcining temperature controls at 700 DEG C, and the sample number into spectrum obtained is 1#;
Group 2: by levigate for sandstone laboratory mill, the mineral powder particle diameter obtained is less than 100 μm, drop in the device in Fig. 2, calcining temperature controls at 600 DEG C, and the sample number into spectrum obtained is 2#;
Group 3: by levigate for clay laboratory mill, the mineral powder particle diameter obtained is less than 180 μm, drop in the device in Fig. 2, calcining temperature controls at 700 DEG C, and the sample number into spectrum obtained is 3#;
Group 4: by levigate for clay laboratory mill, the mineral powder particle diameter obtained is less than 50 μm, drop in the device in Fig. 2, calcining temperature controls at 500 DEG C, and the sample number into spectrum obtained is 4#;
Group 5: get P.I 42.5 class g cement that long-range cement company is produced, the sample number into spectrum obtained is 5#.
Sample obtained above is carried out the item-test such as fineness, cement mortar strength, water demand ratio, loss on ignition by GB, and check data is in table 3.
The check data of the different sample of table 3
The high-activity mineral material of production high-quality, the high-activity mineral material that this technology is produced, have reactivity coefficient high, numerical value is between 0.7-0.8; Water requirement is low, and appearance luster is good, in Dark grey, and the series of advantages such as particle sphericity is high.Through verification experimental verification, product performance are better than second class powered coal ash, are with a wide range of applications.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. produce a method for high-activity mineral material, it is characterized in that, comprise the following steps:
Raw mineral materials is ground into mineral powder, and the particle diameter of described mineral powder is less than 200 μm;
Calcine described mineral powder, the mineral powder after calcining, through cooling, obtains high-activity mineral material.
2. method according to claim 1, is characterized in that, described raw mineral materials is with SiO
2, Al
2o
3for the natural minerals of main component;
Preferably, the temperature of described calcining is 500 DEG C-700 DEG C.
3. method according to claim 1, is characterized in that, the SiO in described raw mineral materials chemical constitution
2weight percentage be 50%-80%, Al
2o
3weight percentage be 10%-30%;
Preferably, described raw mineral materials is any one or more in coal gangue, shale, sandstone, clay.
4. the method according to any one of claim 1-3, is characterized in that, described mineral powder first carries out preheating before calcination; The thermal source of described preheating is preferably the heat of described calcining recovery; Described mineral powder is preferably to be calcined with the state suspended.
5. implement the claims the device of method described in any one of 1-4, it is characterized in that, comprising: vertical tube calcining furnace, roasting kiln, dust-precipitator, induced draft fan;
The top of described vertical tube calcining furnace is provided with opening for feed, and the bottom of described vertical tube calcining furnace is communicated with described roasting kiln;
Be provided with preheating tube in described vertical tube calcining furnace, described preheating tube extends in described roasting kiln;
Described vertical tube calcining furnace is connected by pipeline with described dust-precipitator; Described induced draft fan is connected with described dust-precipitator.
6. device according to claim 5, is characterized in that, described device also comprises feed bin, gauger and dumper;
Described feed bin is connected with described gauger, and described dumper is connected with described opening for feed, and described gauger enters the consumption of described dumper for the mineral powder controlled in described feed bin.
7. device according to claim 6, it is characterized in that, described dust-precipitator comprises gravity dust-precipitator, cyclone and bagroom, described cyclone is communicated with described dumper, described bagroom is connected with described cyclone, and described induced draft fan is connected with described bagroom;
Described gravity dust-precipitator is connected with the top of described vertical tube calcining furnace.
8. device according to claim 7, is characterized in that, the pipeline between described feed bin with described cyclone is communicated with described gravity dust-precipitator.
9. device according to claim 7, is characterized in that, is also provided with the first water cooler between described gravity dust-precipitator and described vertical tube calcining furnace;
Preferably, the bottom of described gravity dust-precipitator is provided with the second water cooler;
More preferably, the waste heat that described first water cooler produces passes in described roasting kiln.
10. the device according to any one of claim 5-9, is characterized in that, described vertical tube calcining furnace is also provided with temperature control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510174997.7A CN104844043B (en) | 2014-12-02 | 2015-04-14 | A kind of method and its device for producing high-activity mineral material |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420791936 | 2014-12-02 | ||
| CN2014207919366 | 2014-12-02 | ||
| CN201510174997.7A CN104844043B (en) | 2014-12-02 | 2015-04-14 | A kind of method and its device for producing high-activity mineral material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104844043A true CN104844043A (en) | 2015-08-19 |
| CN104844043B CN104844043B (en) | 2017-12-01 |
Family
ID=53844090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510174997.7A Expired - Fee Related CN104844043B (en) | 2014-12-02 | 2015-04-14 | A kind of method and its device for producing high-activity mineral material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104844043B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115594423A (en) * | 2022-10-31 | 2023-01-13 | 河南郑矿机器有限公司（Cn） | Dolomite and limestone calcination are with industry suspension stove |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1887769A (en) * | 2006-07-16 | 2007-01-03 | 葛东海 | Production process with modified fly ash to replace cement clinker |
| CN101456690A (en) * | 2009-01-07 | 2009-06-17 | 中国建筑材料科学研究总院 | Method and system for preparing active coal gangue |
| CN103755171A (en) * | 2014-01-10 | 2014-04-30 | 洛阳水泥工程设计研究院有限公司 | Coal gangue activation process adopting synergism of pre-decomposition kiln |
| CN103880312A (en) * | 2014-02-17 | 2014-06-25 | 李荣怀 | Light-weight aggregate produced by using coal gangue |
-
2015
- 2015-04-14 CN CN201510174997.7A patent/CN104844043B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1887769A (en) * | 2006-07-16 | 2007-01-03 | 葛东海 | Production process with modified fly ash to replace cement clinker |
| CN101456690A (en) * | 2009-01-07 | 2009-06-17 | 中国建筑材料科学研究总院 | Method and system for preparing active coal gangue |
| CN103755171A (en) * | 2014-01-10 | 2014-04-30 | 洛阳水泥工程设计研究院有限公司 | Coal gangue activation process adopting synergism of pre-decomposition kiln |
| CN103880312A (en) * | 2014-02-17 | 2014-06-25 | 李荣怀 | Light-weight aggregate produced by using coal gangue |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115594423A (en) * | 2022-10-31 | 2023-01-13 | 河南郑矿机器有限公司（Cn） | Dolomite and limestone calcination are with industry suspension stove |
| CN115594423B (en) * | 2022-10-31 | 2023-09-22 | 河南郑矿机器有限公司 | Industrial suspension furnace for calcining dolomite and limestone |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104844043B (en) | 2017-12-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103864321A (en) | Portland cement for roads and production method thereof | |
| CN104355558A (en) | Cement employing lead-zinc tailings as raw material and preparation method of cement | |
| CN102976642B (en) | Special silicate cement for nuclear power and production method thereof | |
| CN108892401A (en) | A kind of method and clinker of ardealite calcining belite sulphoaluminate cement clinker | |
| CN105198394B (en) | High-infrared-emitting-ability cordierite-spinel ceramic material and preparation method thereof | |
| CN107739847A (en) | A kind of crystal formation conversion method of natural spodumene suspension roasting | |
| JP5896267B2 (en) | Cement clinker manufacturing method | |
| CN103922355B (en) | A kind of device and preparation technology producing triphane | |
| CN104844043A (en) | Method and device used for preparing high-activity mineral material | |
| CN101417867B (en) | Method for preparing silicate magnesium slag concrete by using magnesium slag | |
| CN111302679B (en) | Cement admixture containing vanadium titano-magnetite tailings and preparation method and application thereof | |
| CN113955959B (en) | Device and method for producing anhydrous gypsum by using fresh phosphogypsum | |
| KR102153185B1 (en) | Method and apparatus for manufacturing lithium sulfate solution from lithium bearing ore | |
| CN103043930A (en) | Method and equipment for producing cement and gathering CO2 by utilizing closed ring-shaped calcination furnace | |
| CN106630706A (en) | A method of preparing a cement raw material from a viscous-wet type calcium material | |
| CN110498621A (en) | A kind of preparation method of ultra-fine purification concentrate powder magnesite clinker | |
| CN105174756A (en) | Method for preparing cement from manganese iron slag | |
| Varichev et al. | Innovative solutions in iron ore production at Mikhailovsky mining and processing plant | |
| CN114835132A (en) | High-efficiency energy-saving process for processing coal-series kaolin by dry-wet method | |
| CN203095880U (en) | Equipment for producing cement and trapping CO2 by using airtight annular calcining furnace | |
| CN211799379U (en) | Coal vertical mill dust settling system for drying pulverized coal by using waste gas of kiln head of cement kiln | |
| CN101148262A (en) | Device for calcining aluminum oxide clinker by directly utilizing coal powder and method thereof | |
| CN208087499U (en) | Production of Ceramics system and Production of Ceramics assembly line | |
| CN208121168U (en) | A kind of iron ore roasting magnetizing equipment | |
| CN209940854U (en) | System device for petroleum coke calcination high-activity light-burned magnesium oxide production line |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171201 Termination date: 20180414 |