CN106839778A - Castable preliminary drying roasting method and application apparatus in a kind of cement rotary kiln - Google Patents
Castable preliminary drying roasting method and application apparatus in a kind of cement rotary kiln Download PDFInfo
- Publication number
- CN106839778A CN106839778A CN201710026769.4A CN201710026769A CN106839778A CN 106839778 A CN106839778 A CN 106839778A CN 201710026769 A CN201710026769 A CN 201710026769A CN 106839778 A CN106839778 A CN 106839778A
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- Prior art keywords
- castable
- baking
- heat
- intensification
- temperature
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- Pending
Links
- 239000004568 cement Substances 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000001035 drying Methods 0.000 title claims abstract description 8
- 238000012423 maintenance Methods 0.000 claims abstract description 8
- 238000010276 construction Methods 0.000 claims abstract description 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000011819 refractory material Substances 0.000 claims abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 16
- 238000009413 insulation Methods 0.000 claims description 15
- 229910052742 iron Inorganic materials 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 5
- 239000011214 refractory ceramic Substances 0.000 claims description 5
- 239000002937 thermal insulation foam Substances 0.000 claims description 5
- 229920000742 Cotton Polymers 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 description 7
- 238000004880 explosion Methods 0.000 description 3
- 239000011449 brick Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000036413 temperature sense Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/16—Making or repairing linings increasing the durability of linings or breaking away linings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/28—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/28—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun
- F26B3/30—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun from infrared-emitting elements
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The present invention is castable preliminary drying roasting method in a kind of cement rotary kiln, it is characterised in that：For with each varieties and characteristicses, construction method, liner body thickness and use condition for implementing position and the refractory material for using in cement rotary kiln, maintenance castable after the intensification baking and castable baking of the castable after being poured to kiln body part, predecomposition part, kiln hood components of system as directed, grate-cooler section sets heats up and toasts, with high alumina series castable baking temperature curve：The baking temperature curve of castable liner body；Before 600 DEG C, it is divided into slow temperature rise period and holding stage, so that the moisture in liner body is fully excluded, its programming rate is 15 75 DEG C/h；Each implements the intensification baking of the castable after position setting is poured in cement rotary kiln, life-span to improving the castable at the position can increase substantially, 20 tons of castables can be saved within 1 year with 5000 tons of rotary kilns of a daily output, 100 rotary kilns will save 2000 tons of castables, and whole year is by cost-effective 6,000,000 yuan.
Description
Technical field
The present invention relates to cement rotary kiln construction applications, more particularly, to castable prebake conditions side in a kind of cement rotary kiln
Method and application apparatus.
Background technology
At present, for that cannot be toasted well after burner and the construction of cooling machine system castable, the water in castable
Part can not be emptied before dosing, easily cause explosion, and premature deterioration rises management cost.Castable refractory is constructed
After the completion of last link be exactly baking temperature and baking method implementation, this link is important, if behaviour
Make improper, be that all that has been achieved is spoiled.It is preferably according to baking regime completion operation, especially skilled old operative employee when baker.
The life-span of the Thermal Equipments such as rotary kiln and boiler, ladle can not only be improved if operating method is correct, and prevents refractory brick again
With the expansion of castable refractory.Otherwise, moisture content is excluded not smoothly, liner body will be made to produce substantial amounts of crackle, while reducing fire resisting again
The intensity of material, even causes the peeling or explosion accident of liner body when serious.Low Cement Castable, high-strength castable, because of moisture content
More difficult exclusion, so being easiest to this kind of phenomenon.
The content of the invention
It is an object of the invention to provide castable preliminary drying roasting method and application apparatus in a kind of cement rotary kiln, solve anti-
Only refractory brick causes peeling or the explosion accident problem of liner body with the expansion of castable refractory.
The technical solution adopted for the present invention to solve the technical problems is：
Castable preliminary drying roasting method in a kind of cement rotary kiln, it is characterised in that：For with each implementation in cement rotary kiln
The varieties and characteristicses of position and the refractory material that uses, construction method, liner body thickness and use condition, to kiln body part, predecomposition
Supporting after the intensification baking and castable baking of the castable after partly, kiln hood components of system as directed, grate-cooler section sets are poured
Shield castable heats up and toasts, with high alumina series castable baking temperature curve：The baking temperature curve of castable liner body；600
DEG C before, it is divided into slow temperature rise period and holding stage, so that the moisture in liner body is fully excluded, its programming rate is 15-75
℃/h；
Specific intensification control is：0 DEG C of -100 DEG C of intensification used time 3/h, 100 DEG C of -300 DEG C of intensification used time 12/h heat up in this interval
Speed is 15-30 DEG C/h,
After 300 DEG C of insulation used times 4/h, 450 DEG C are risen to, heat up used time 16/h, and programming rate is 15-30 DEG C/h in this interval,
After 450 DEG C of insulation used times 4/h, rise to 450 DEG C -650 DEG C, heat up used time 5/h, in this interval programming rate be 15-20 DEG C/
H, after 650 DEG C of insulation used times 9/h, rises to 650 DEG C -800 DEG C, and heat up used time 4/h, and programming rate is 25-30 DEG C/h in this interval,
800 DEG C -1150 DEG C are risen to, heat up used time 5/h, programming rate is baking of the 75 DEG C/h completions to pouring material in this interval.
Maintenance castable after the described castable baking temperature control toasted that heats up is：
20 DEG C of -200 DEG C of intensification used time 8/h, programming rate is 20-25 DEG C/h in this interval,
From 200 DEG C of -500 DEG C of intensification used time 10/h after 200 DEG C of insulation 10/h, programming rate is 30 DEG C/h in this interval,
From 500 DEG C of -800 DEG C of intensification used time 5/h after 500 DEG C of insulation 4/h, programming rate is 60 DEG C in this interval.
The application apparatus of castable prebake conditions in a kind of cement rotary kiln, it is characterised in that：Described castable prebake conditions
Application apparatus be to be rolled into semicircular bodies with the iron plate of 3mm thickness, semicircular bodies extrados install sun fluorescent tube, in the sun
Heat-insulated cotton is installed heat-insulated between fluorescent tube and semicircular bodies, connection control circuit is connected in semicircular bodies, set in sun lamp tube ends
There is refractory ceramics sleeve pipe, described control circuit includes high-temperature cable, temperature inductor and temperature detect switch (TDS).
The application apparatus of castable prebake conditions in a kind of cement rotary kiln, it is characterised in that：Described castable prebake conditions
Application apparatus be to be rolled into semicircular bodies with 3mm thickness iron plates, semicircular bodies extrados install infrared heating pipe, heating
Heat insulation foam is installed heat-insulated between pipe and iron plate, connection control circuit is connected in semicircular bodies, control circuit is by high-temperature cable, temperature sense
Device and temperature detect switch (TDS) is answered to constitute.
Beneficial effects of the present invention：For the product with each implementation position and the refractory material for using in cement rotary kiln
Performance, construction method, liner body thickness and use condition are planted, to kiln body part, predecomposition part, kiln hood components of system as directed, grate-cooler
Section sets pour after castable intensification baking, can be increased substantially to improving the life-span of castable at the position, with one
Platform produces 5000 tons of rotary kilns daily and can save within 1 year 20 tons of castables, and 100 rotary kilns will save 2000 tons of castables, annual to save
About 6,000,000 yuan of cost.
Below with reference to drawings and Examples, the present invention is described in detail.
Brief description of the drawings
Fig. 1 is high alumina series castable baking temperature curve.
Fig. 2 is the temperature control chart of the maintenance castable intensification baking after castable baking.
Fig. 3 is the organigram of the application apparatus of castable prebake conditions in cement rotary kiln.
Fig. 4 is the organigram of the application apparatus of castable prebake conditions in another cement rotary kiln.
In figure：1. semicircular bodies, 2. sun fluorescent tube, 3. heat insulation foam, 4. refractory ceramics sleeve pipe, 5. high-temperature cable, 6.
Temperature inductor, 7. temperature detect switch (TDS), 8. infrared heating pipe.
Specific embodiment
Embodiment 1, as shown in figure 1, castable preliminary drying roasting method in a kind of cement rotary kiln, it is characterised in that：For with cement
Each implements varieties and characteristicses, construction method, liner body thickness and the use condition of position and the refractory material for using in rotary kiln,
Castable after being poured to kiln body part, predecomposition part, kiln hood components of system as directed, grate-cooler section sets intensification baking and
Maintenance castable after castable baking heats up and toasts, with high alumina series castable baking temperature curve：The baking of castable liner body
Roasting temperature curve；Before 600 DEG C, it is divided into slow temperature rise period and holding stage, so that the moisture in liner body is fully excluded, its
Programming rate is 15-75 DEG C/h；
Specific intensification control is：0 DEG C of -100 DEG C of intensification used time 3/h, 100 DEG C of -300 DEG C of intensification used time 12/h heat up in this interval
Speed is 15-30 DEG C/h,
After 300 DEG C of insulation used times 4/h, 450 DEG C are risen to, heat up used time 16/h, and programming rate is 15-30 DEG C/h in this interval,
After 450 DEG C of insulation used times 4/h, rise to 450 DEG C -650 DEG C, heat up used time 5/h, in this interval programming rate be 15-20 DEG C/
H, after 650 DEG C of insulation used times 9/h, rises to 650 DEG C -800 DEG C, and heat up used time 4/h, and programming rate is 25-30 DEG C/h in this interval,
800 DEG C -1150 DEG C are risen to, heat up used time 5/h, programming rate is baking of the 75 DEG C/h completions to pouring material in this interval.For
The kiln of maintenance, has such as changed kilneye castable, kiln tail part castable, grate-cooler part castable, then toasted by above-mentioned intensification
System is carried out, and grate-cooler then carries out baking control when kiln heats up by adjusting the air quantity of kiln head exhaust fan, and kiln tail is sling and respectively turn over
Plate valve is controlled by controlling kiln tail air draft, but Xu's control heating rate, and preventing temperature, too fast castable refractory is burst existing
As occurring.
In use, castable refractory liner body must not drench with rain water, if partial destruction, can be carried out with identical material
Repairing；If during blowing out, answering Temperature fall.Again during blow-on, its programming rate is generally 150 DEG C/h, and highest must not exceed 200
℃/h.When stopping, blow-on liner body is produced crack or peeling at that time, easily, reduce its service life.
Embodiment 2, as shown in Fig. 2 the maintenance castable after described castable baking heats up, the temperature control of baking is：
20 DEG C of -200 DEG C of intensification used time 8/h, programming rate is 20-25 DEG C/h in this interval,
From 200 DEG C of -500 DEG C of intensification used time 10/h after 200 DEG C of insulation 10/h, programming rate is 30 DEG C/h in this interval,
From 500 DEG C of -800 DEG C of intensification used time 5/h after 500 DEG C of insulation 4/h, programming rate is 60 DEG C in this interval.
Embodiment 3, as shown in figure 3, in a kind of cement rotary kiln castable prebake conditions application apparatus, it is characterised in that：
The application apparatus of described castable prebake conditions is to be rolled into semicircular bodies 1 with the iron plate of 3cm thickness, in the outer arc of semicircular bodies 1
Sun fluorescent tube 2 is installed in face, and heat-insulated heat insulation foam 3 is installed between sun fluorescent tube 2 and semicircular bodies 1, and control is connected in semicircular bodies 1
Circuit processed, the two ends of sun fluorescent tube 2 are provided with refractory ceramics sleeve pipe 4, and described control circuit includes high-temperature cable 5, temperature inductor 6
And temperature detect switch (TDS) 7.
Done by the program, it is contemplated that need 1KW sun fluorescent tube 12, it is necessary to 10 squares of cables, power is 12KW altogether, in advance
Meter can produce 500 degree of temperatures above, temperature control to control temperature plus temperature detect switch (TDS) using temperature sensor；Filament temperature 3000
Degree, close to filament fusing point, so should not move in this state.
Embodiment 4, as shown in figure 4,
The application apparatus of described castable prebake conditions is to be rolled into about semicircular bodies 1 with 3cm iron plates, in the outer arc of semicircular bodies 1
Infrared heating pipe 8 is installed in shape, heat insulation foam 3 is installed between infrared heating pipe 8 and semicircular bodies 1, be connected in semicircular bodies 1
Control circuit composition, the two ends of infrared heating pipe 8 are provided with refractory ceramics sleeve pipe 4, described control circuit include high-temperature cable 5,
Temperature inductor 6 and temperature detect switch (TDS) 7.
Done by the program, it is contemplated that need heat-generating pipe 10, it is necessary to 6 squares of cables, power is 15KW altogether, it is contemplated that can be produced
Raw 300 degree or so temperature, temperature control controls temperature using temperature sensor plus temperature detect switch (TDS)；The heat-generating pipe is 301 stainless
Steel matter, is hardly damaged, but temperature can only achieve 0-300 degree or so, does not have the demoulding when such as toasting, and temperature is adapted to（Timber burning-point
It is 200-290 degree）, use demand can be met；
Embodiment above is only that the preferred embodiment of the present invention is described, and not the scope of the present invention is limited
Fixed, on the premise of design spirit of the present invention is not departed from, this area ordinary skill technical staff does to technical scheme
The various modifications for going out and improvement, all should fall into the protection domain of claims of the present invention determination.
Part that the present invention does not relate to is same as the prior art or can be realized using prior art.
Claims (4)
1. castable preliminary drying roasting method in a kind of cement rotary kiln, it is characterised in that：For with cement rotary kiln in each implementation
The varieties and characteristicses of position and the refractory material for using, construction method, liner body thickness and use condition, to kiln body part, pre- point
After solving the intensification baking and castable baking of the castable after part, kiln hood components of system as directed, grate-cooler section sets pour
Maintenance castable heats up and toasts, with high alumina series castable baking temperature curve：The baking temperature curve of castable liner body；
600 DEG C before, is divided into slow temperature rise period and holding stage, and so that the moisture in liner body is fully excluded, its programming rate is 15-
75℃/h；
Specific intensification control is：0 DEG C of -100 DEG C of intensification used time 3/h, 100 DEG C of -300 DEG C of intensification used time 12/h heat up in this interval
Speed is 15-30 DEG C/h,
After 300 DEG C of insulation used times 4/h, 450 DEG C are risen to, heat up used time 16/h, and programming rate is 15-30 DEG C/h in this interval,
After 450 DEG C of insulation used times 4/h, rise to 450 DEG C -650 DEG C, heat up used time 5/h, in this interval programming rate be 15-20 DEG C/
H, after 650 DEG C of insulation used times 9/h, rises to 650 DEG C -800 DEG C, and heat up used time 4/h, and programming rate is 25-30 DEG C/h in this interval,
800 DEG C -1150 DEG C are risen to, heat up used time 5/h, programming rate is baking of the 75 DEG C/h completions to pouring material in this interval.
2. castable preliminary drying roasting method in a kind of cement rotary kiln as claimed in claim 1, it is characterised in that described cast
Expect that the temperature control that the intensification of the maintenance castable after baking is toasted is：
20 DEG C of -200 DEG C of intensification used time 8/h, programming rate is 20-25 DEG C/h in this interval,
From 200 DEG C of -500 DEG C of intensification used time 10/h after 200 DEG C of insulation 10/h, programming rate is 30 DEG C/h in this interval,
From 500 DEG C of -800 DEG C of intensification used time 5/h after 500 DEG C of insulation 4/h, programming rate is 60 DEG C in this interval.
3. in a kind of cement rotary kiln castable prebake conditions application apparatus, it is characterised in that：Described castable prebake conditions
Application apparatus is to be rolled into semicircular bodies with the iron plate of 3mm thickness, sun fluorescent tube is installed in the extrados of semicircular bodies, in sunlamp
Heat-insulated cotton is installed heat-insulated between pipe and semicircular bodies, connection control circuit is connected in semicircular bodies, be provided with sun lamp tube ends
Refractory ceramics sleeve pipe, described control circuit includes high-temperature cable, temperature inductor and temperature detect switch (TDS).
4. in a kind of cement rotary kiln as claimed in claim 3 castable prebake conditions application apparatus, it is characterised in that：It is described
The application apparatus of castable prebake conditions be to be rolled into semicircular bodies with 3mm thickness iron plates, install red in the extrados of semicircular bodies
Outer heat-generating pipe, it is heat-insulated to install heat insulation foam between heat-generating pipe and iron plate, connects connection control circuit in semicircular bodies, control circuit by
High-temperature cable, temperature inductor and temperature detect switch (TDS) composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710026769.4A CN106839778A (en) | 2017-01-14 | 2017-01-14 | Castable preliminary drying roasting method and application apparatus in a kind of cement rotary kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710026769.4A CN106839778A (en) | 2017-01-14 | 2017-01-14 | Castable preliminary drying roasting method and application apparatus in a kind of cement rotary kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106839778A true CN106839778A (en) | 2017-06-13 |
Family
ID=59124033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710026769.4A Pending CN106839778A (en) | 2017-01-14 | 2017-01-14 | Castable preliminary drying roasting method and application apparatus in a kind of cement rotary kiln |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109282640A (en) * | 2018-09-29 | 2019-01-29 | 攀钢集团钒钛资源股份有限公司 | Turn round kilning kiln method |
| CN113654345A (en) * | 2021-08-23 | 2021-11-16 | 登封市嵩基水泥有限公司 | Operation method for pollution-free ignition temperature rise of rotary kiln |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101649368A (en) * | 2009-09-10 | 2010-02-17 | 武汉钢铁(集团)公司 | Method for integrally pouring mixer furnace |
| CN101738091A (en) * | 2008-11-07 | 2010-06-16 | 首钢总公司 | Method for baking shaft kiln |
| CN102032759A (en) * | 2010-12-01 | 2011-04-27 | 东莞市康徕机械设备有限公司 | Ultrashort wave infrared photoelectric baking oven |
| CN102374773A (en) * | 2010-08-08 | 2012-03-14 | 中国铝业股份有限公司 | Modification method for carbon rotary kiln settling chamber |
| CN202792983U (en) * | 2012-09-07 | 2013-03-13 | 武汉钢铁(集团)公司 | Portable mobile rotary kiln lining partial roaster |
| CN103033057A (en) * | 2012-09-24 | 2013-04-10 | 瑞泰科技股份有限公司 | Combustor refractory lining prefabricated building block for cement kiln, production method and application of combustor refractory lining prefabricated building block |
| CN204944198U (en) * | 2015-07-17 | 2016-01-06 | 中冶长天国际工程有限责任公司 | A kind of rotary kiln microwave oven device |
| CN206450078U (en) * | 2017-01-14 | 2017-08-29 | 安徽芜湖海螺建筑安装工程有限责任公司 | The application apparatus of castable prebake conditions in a kind of cement rotary kiln |
-
2017
- 2017-01-14 CN CN201710026769.4A patent/CN106839778A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101738091A (en) * | 2008-11-07 | 2010-06-16 | 首钢总公司 | Method for baking shaft kiln |
| CN101649368A (en) * | 2009-09-10 | 2010-02-17 | 武汉钢铁(集团)公司 | Method for integrally pouring mixer furnace |
| CN102374773A (en) * | 2010-08-08 | 2012-03-14 | 中国铝业股份有限公司 | Modification method for carbon rotary kiln settling chamber |
| CN102032759A (en) * | 2010-12-01 | 2011-04-27 | 东莞市康徕机械设备有限公司 | Ultrashort wave infrared photoelectric baking oven |
| CN202792983U (en) * | 2012-09-07 | 2013-03-13 | 武汉钢铁(集团)公司 | Portable mobile rotary kiln lining partial roaster |
| CN103033057A (en) * | 2012-09-24 | 2013-04-10 | 瑞泰科技股份有限公司 | Combustor refractory lining prefabricated building block for cement kiln, production method and application of combustor refractory lining prefabricated building block |
| CN204944198U (en) * | 2015-07-17 | 2016-01-06 | 中冶长天国际工程有限责任公司 | A kind of rotary kiln microwave oven device |
| CN206450078U (en) * | 2017-01-14 | 2017-08-29 | 安徽芜湖海螺建筑安装工程有限责任公司 | The application apparatus of castable prebake conditions in a kind of cement rotary kiln |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109282640A (en) * | 2018-09-29 | 2019-01-29 | 攀钢集团钒钛资源股份有限公司 | Turn round kilning kiln method |
| CN113654345A (en) * | 2021-08-23 | 2021-11-16 | 登封市嵩基水泥有限公司 | Operation method for pollution-free ignition temperature rise of rotary kiln |
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Application publication date: 20170613 |