CN105087908A - Temperature control method and device for chain grate-rotary kiln - Google Patents
Temperature control method and device for chain grate-rotary kiln Download PDFInfo
- Publication number
- CN105087908A CN105087908A CN201510493193.3A CN201510493193A CN105087908A CN 105087908 A CN105087908 A CN 105087908A CN 201510493193 A CN201510493193 A CN 201510493193A CN 105087908 A CN105087908 A CN 105087908A
- Authority
- CN
- China
- Prior art keywords
- temperature
- section
- given
- low
- coal
- 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
- Muffle Furnaces And Rotary Kilns (AREA)
- Silicon Compounds (AREA)
Abstract
The embodiment of the invention provides a temperature control method and device for a chain grate-rotary kiln. The method comprises the steps that the gas hood temperature TI_PH of a PH segment of the chain grate and the discharge temperature TI_KN of the rotary kiln are obtained; and the given pulverized coal nozzle amount SI_Coal, the given gas nozzle amount SI_Gas, the given annular cooler speed SI_Cooler and the given PH segment air draft motor frequency SI_PH are adjusted according to the TI_PH and the TI_KN on the basis of a preset strategy. In the method and device, in the drying and preheating process, the TPH segment temperature does not serve as a core any more, the TI_PH plays a main role, and the temperature of the PH segment is adjusted, so that the temperature of a DDD segment can be smooth and steady, and energy recycling and utilizing are facilitated. In the cooling process, a C3 segment does not serve as a core any more, and TI_KN plays a main role, so that the temperature of a C1 segment is controlled in advance, subsequent control over the temperature of C2 and C3 is facilitated, the regenerative efficiency of the C2 segment is improved, and energy and resources are saved.
Description
Technical field
The present invention relates to Grate-kiln Oxidized Pellet technique, particularly relate to a kind of grate kiln temperature-controlled process and device.
Background technology
In Iron And Steel Industry, development iron ore acid pellet production technology is the developing direction of current optimization Bf Burden.Current Pelletizing Process mainly contains shaft furnace process, belt type roasting machine method and grate kiln method.Grate kiln method wherein has many merits, such as: be easy to control thermal regulation according to different material condition, and suitably reduce the requirement of equipment material; Single machine production ability is large, meets pellet formation maximization requirement; Can Bian coal as fuel, realize heat energy efficiency utilization by flue gas recirculation, meet China's natural gas deficiency, coal reserves rich in natural resources feature; Roasting is even, good quality of product.
In grate kiln method, distinguished and admirable circulation is very complicated, in large-scale chain grate stoker-rotary system, generally drying grate is divided into into UDD, DDD, TPH, PH tetra-sections, central cooler is divided into C1, C2, C3 tri-sections, add rotary kiln, altogether 8 sections need to carry out exhausting or air blast to realize overall wind balance and temperature equilibrium, not only hop count is many, and a lot of section is all be mutually related (such as C2 section is communicated by pipeline with TPH section), so how Collaborative Control each section of temperature is a great problem of acid pellet control techniques.
In the prior art, common method is: dry, warm for core, adopts adjustment TPH section exhausting frequency to be means, if TPH section temperature crosses the blast volume that C2 section cold wind is strengthened in higher position with TPH section temperature; Process of cooling with C3 section for core, if the outlet of C3 section also namely central cooler temperature out cross higher position and open large cold wind valve, increase cooling air quantity, or sprinkle water on central cooler outlet discharging belt.But contriver is realizing finding in process of the present invention, although these methods can quick solution produce in occur warm body, easily cause the loss of resource, energy, be also unfavorable for the steady of process.
Summary of the invention
For overcoming Problems existing in correlation technique, the invention provides a kind of grate kiln temperature-controlled process and device, to reduce the loss of water resource waste in production process and energy.
According to the first aspect of the embodiment of the present invention, provide a kind of grate kiln temperature-controlled process, described method comprises:
Obtain drying grate PH section petticoat pipe temperature TI_PH, rotary kiln dump temperature TI_KN;
According to TI_PH and TI_KN, according to preset strategy, given coal nozzle amount SI_Coal, given gasburner amount SI_Gas, given central cooler speed SI_Cooler, given PH section exhausting electric machine frequency SI_PH are adjusted.
Optionally, described preset strategy comprises:
When TI_PH too high or higher time, reduce SI_Gas;
When TI_PH too low or lower time, increase SI_Gas;
When TI_KN is too high, reduce SI_Cooler;
When TI_PH is too high, or, TI_PH is higher and TI_KN is too high or higher time, reduce SI_PH;
When TI_PH too low or lower time, increase SI_PH;
When TI_KN too high or higher time, reduce SI_Coal;
When TI_KN too low or lower time, increase SI_Coal.
Optionally,
For TI_PH:(720,760] for too low, (760,800] be lower, (800,860) are zone of reasonableness, [860,920) be higher, [920,950) for too high;
For TI_KN:(820,860] for too low, (860,890] be lower, (890,910) are zone of reasonableness, [910,940) be higher, [940,960) for too high;
Wherein unit is DEG C.
Optionally, the gap periods of described adjustment is 30 seconds.
According to the second aspect of the embodiment of the present invention, provide a kind of grate kiln temperature-control device, described device comprises:
Temperature acquiring unit, for obtaining drying grate PH section petticoat pipe temperature TI_PH, rotary kiln dump temperature TI_KN;
Control unit, for according to TI_PH and TI_KN, adjusts given coal nozzle amount SI_Coal, given gasburner amount SI_Gas, given central cooler speed SI_Cooler, given PH section exhausting electric machine frequency SI_PH according to preset strategy.
Optionally, described preset strategy comprises:
When TI_PH too high or higher time, reduce SI_Gas;
When TI_PH too low or lower time, increase SI_Gas;
When TI_KN is too high, reduce SI_Cooler;
When TI_PH is too high, or, TI_PH is higher and TI_KN is too high or higher time, reduce SI_PH;
When TI_PH too low or lower time, increase SI_PH;
When TI_KN too high or higher time, reduce SI_Coal;
When TI_KN too low or lower time, increase SI_Coal.
Optionally,
For TI_PH:(720,760] for too low, (760,800] be lower, (800,860) are zone of reasonableness, [860,920) be higher, [920,950) for too high;
For TI_KN:(820,860] for too low, (860,890] be lower, (890,910) are zone of reasonableness, [910,940) be higher, [940,960) for too high;
Wherein unit is DEG C.
Optionally, the gap periods of described adjustment is 30 seconds.
The technical scheme that embodiments of the invention provide can comprise following beneficial effect:
In the present invention, dry, warm no longer with TPH section temperature for core, but launch round PH section petticoat pipe temperature TI_PH, due to the thermal source that PH section is DDD section, the high-temperature gas of PH section is not direct discharge, but recycles towards DDD section, therefore adjusts the temperature of PH section, be conducive to the temperature plateau of DDD section, be also conducive to recovery and the utilization of energy.Simultaneously, process of cooling also no longer with C3 section for core, but launch around rotary kiln dump temperature TI_KN, the temperature of such C1 section controls in advance, be convenient to the control of follow-up C2 and C3 temperature, improve the effectiveness of regenerator of C2 section, avoid as making C3 section temperature reduce and the cooling method of too much employing cold wind or watering, and then saved the energy and resource.
Should be understood that, it is only exemplary and explanatory that above general description and details hereinafter describe, and can not limit the present invention.
Accompanying drawing explanation
Accompanying drawing to be herein merged in specification sheets and to form the part of this specification sheets, shows embodiment according to the invention, and is used from specification sheets one and explains principle of the present invention.
Fig. 1 is the schema of a kind of grate kiln temperature-controlled process according to an exemplary embodiment;
Fig. 2 is the equipment schematic diagram of Grate-kiln Oxidized Pellet technique;
Fig. 3 is the schematic diagram of a kind of grate kiln temperature-control device according to an exemplary embodiment.
Embodiment
Here will be described exemplary embodiment in detail, its sample table shows in the accompanying drawings.When description below relates to accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawing represents same or analogous key element.Embodiment described in following exemplary embodiment does not represent all embodiments consistent with the present invention.On the contrary, they only with as in appended claims describe in detail, the example of apparatus and method that aspects more of the present invention are consistent.
Fig. 1 is the schema of a kind of grate kiln temperature-controlled process according to an exemplary embodiment.Shown in Figure 1, the method comprises:
S101, obtains drying grate PH section petticoat pipe temperature TI_PH, rotary kiln dump temperature TI_KN.
S102, according to TI_PH and TI_KN, adjusts given coal nozzle amount SI_Coal, given gasburner amount SI_Gas, given central cooler speed SI_Cooler, given PH section exhausting electric machine frequency SI_PH according to preset strategy.
Exemplarily, the gap periods (below can referred to as adjustment cycle) of each described adjustment can be 30 seconds.
Fig. 2 is the equipment schematic diagram of Grate-kiln Oxidized Pellet technique, and in Fig. 2, material from left to right successively can through drying grate 201, rotary kiln 202, and in central cooler 203, figure, each meaning of parameters is as follows:
Drying grate 201 is divided into four sections, respectively:
DDD:downdraftdrying, exhausting is dry.Hot blast passes through the bed of material makes green-ball remove the process of moisture.
UDD:updraftdrying, forced air drying.Hot blast makes green-ball remove the process of moisture by the bed of material from bottom to top.
TPH:temperedpreheating, transition preheating.Green-ball continues to heat up after drying, removes moisture and free sulphur further, the decomposition starting carbonate and part of sulfuric acid salt and the process removed.
PH:preheating, preheating.The bed of material is under the effect of certain preheating temperature gas, and carbonate all decomposes and to remove and sulphate moiety decomposes, and green-ball internal grain, through oxidation and recrystallize, reaches consolidation and has the process of some strength.
Central cooler 203 is divided into three sections, is C1, C2, C3 respectively.
Flue gas in C1 section flows into PH section along rotary kiln under the effect of C1 section gas blower (its blower motor frequency is SI_C1).
C2 section is connected with TPH section by pipeline, and the flue gas in C2 section flows into TPH section along the direction of arrow in the figure under the effect of C2 section gas blower (its blower motor frequency is SI_C2).
C3 section is connected with UDD section by pipeline, and the flue gas in C3 section flows into UDD section along the direction of arrow in the figure under the effect of C3 section gas blower (its blower motor frequency is SI_C3).
PH section is connected with DDD section by pipeline, and the flue gas in PH section flows into DDD section along the direction of arrow in the figure under the effect of PH section vacuum fan (its blower motor frequency is SI_PH).
Flue gas in DDD section is discharged along the direction of arrow in the figure under the effect of DDD section vacuum fan (its exhausting electric machine frequency is SI_DDD) after dedusting.
Flue gas in TPH section is discharged along the direction of arrow in the figure under the effect of TPH section vacuum fan (its exhausting electric machine frequency is SI_TPH) after dedusting.
Flue gas in UDD section is discharged along the direction of arrow in the figure under the effect of UDD section vacuum fan (its exhausting electric machine frequency is SI_UDD) after dedusting.
Given central cooler speed is SI_Cooler.Belt spray control switch is SI_Water.
Rotary kiln dump temperature is TI_KN.Central cooler dump temperature is TI_OUT.
C2, C3 section petticoat pipe temperature is respectively TI_C2, TI_C3.
UDD, DDD, TPH, PH section petticoat pipe temperature is respectively TI_UDD, TI_DDD, TI_TPH, TI_PH.
The given coal nozzle amount of rotary kiln is SI_Coal, given gasburner amount is SI_Gas.
Unit corresponding to each parameter can join and be shown in Table 1:
Table 1
| Parameter | Explanation | Unit |
| TI_UDD | UDD section petticoat pipe temperature | ℃ |
| TI_DDD | DDD section petticoat pipe temperature | ℃ |
| TI_TPH | TPH section petticoat pipe temperature | ℃ |
| TI_PH | PH section petticoat pipe temperature | ℃ |
| TI_KN | Rotary kiln dump temperature | ℃ |
| TI_C2 | C2 section petticoat pipe temperature | ℃ |
| TI_C3 | C3 section petticoat pipe temperature | ℃ |
| SI_UDD | Given UDD section exhausting electric machine frequency | Hz |
| SI_DDD | Given DDD section exhausting electric machine frequency | Hz |
| SI_TPH | Given TPH section exhausting electric machine frequency | Hz |
| SI_PH | Given PH section exhausting electric machine frequency | Hz |
| SI_Gas | Given gasburner amount | t/h |
| SI_Coal | Given coal nozzle amount | m3/h |
| SI_Cooler | Given central cooler speed | m/min |
| SI_C1 | Given C1 section blower motor frequency | Hz |
| SI_C2 | Given C2 section blower motor frequency | Hz |
| SI_C3 | Given C3 section blower motor frequency | Hz |
| TI_OUT | Central cooler dump temperature | ℃ |
Particular content the present embodiment for preset strategy does not limit, and those skilled in the art can design according to practical situation.Exemplarily, in the present embodiment or the present invention's some other embodiments, described preset strategy can comprise:
When TI_PH too high or higher time, reduce SI_Gas;
When TI_PH too low or lower time, increase SI_Gas;
When TI_KN is too high, reduce SI_Cooler;
When TI_PH is too high, or, TI_PH is higher and TI_KN is too high or higher time, reduce SI_PH;
When TI_PH too low or lower time, increase SI_PH;
When TI_KN too high or higher time, reduce SI_Coal;
When TI_KN too low or lower time, increase SI_Coal.
Wherein, the parameters such as SI_Gas reduce or the numerical value of increase need be determined in conjunction with concrete scene, do not limit this present embodiment.
What is too high, higher, too low, lower and zone of reasonableness for, and the present embodiment does not also limit, and those skilled in the art can design according to practical situation.
Exemplarily, in the present embodiment or the present invention's some other embodiments:
For TI_PH:(720,760] for too low, (760,800] be lower, (800,860) are zone of reasonableness, [860,920) be higher, [920,950) for too high;
For TI_KN:(820,860] for too low, (860,890] be lower, (890,910) are zone of reasonableness, [910,940) be higher, [940,960) for too high;
Wherein unit is DEG C.
Exemplarily, preset strategy can be joined and is shown in Table 2:
Table 2
Wherein the implication of LL, L, OK, U, UU can be joined and is shown in Table 3:
Table 3
In the present embodiment, dry, warm no longer with TPH section temperature for core, but launch round PH section petticoat pipe temperature TI_PH, due to the thermal source that PH section is DDD section, the high-temperature gas of PH section is not direct discharge, but recycles towards DDD section, therefore adjusts the temperature of PH section, be conducive to the temperature plateau of DDD section, be also conducive to recovery and the utilization of energy.Simultaneously, process of cooling also no longer with C3 section for core, but launch around rotary kiln dump temperature TI_KN, the temperature of such C1 section controls in advance, be convenient to the control of follow-up C2 and C3 temperature, improve the effectiveness of regenerator of C2 section, avoid as making C3 section temperature reduce and the cooling method of too much employing cold wind or watering, and then saved the energy and resource.
Fig. 3 is the schematic diagram of a kind of grate kiln temperature-control device according to an exemplary embodiment.Shown in Figure 3, device 300 comprises:
Temperature acquiring unit 301, for obtaining drying grate PH section petticoat pipe temperature TI_PH, rotary kiln dump temperature TI_KN;
Control unit 302, for according to TI_PH and TI_KN, adjusts given coal nozzle amount SI_Coal, given gasburner amount SI_Gas, given central cooler speed SI_Cooler, given PH section exhausting electric machine frequency SI_PH according to preset strategy.
In the present embodiment or the present invention's some other embodiments, described preset strategy comprises:
When TI_PH too high or higher time, reduce SI_Gas;
When TI_PH too low or lower time, increase SI_Gas;
When TI_KN is too high, reduce SI_Cooler;
When TI_PH is too high, or, TI_PH is higher and TI_KN is too high or higher time, reduce SI_PH;
When TI_PH too low or lower time, increase SI_PH;
When TI_KN too high or higher time, reduce SI_Coal;
When TI_KN too low or lower time, increase SI_Coal.
In the present embodiment or the present invention's some other embodiments:
For TI_PH:(720,760] for too low, (760,800] be lower, (800,860) are zone of reasonableness, [860,920) be higher, [920,950) for too high;
For TI_KN:(820,860] for too low, (860,890] be lower, (890,910) are zone of reasonableness, [910,940) be higher, [940,960) for too high;
Wherein unit is DEG C.
In the present embodiment or the present invention's some other embodiments, the gap periods of described adjustment is 30 seconds.
In the present embodiment, dry, warm no longer with TPH section temperature for core, but launch round PH section petticoat pipe temperature TI_PH, due to the thermal source that PH section is DDD section, the high-temperature gas of PH section is not direct discharge, but recycles towards DDD section, therefore adjusts the temperature of PH section, be conducive to the temperature plateau of DDD section, be also conducive to recovery and the utilization of energy.Simultaneously, process of cooling also no longer with C3 section for core, but launch around rotary kiln dump temperature TI_KN, the temperature of such C1 section controls in advance, be convenient to the control of follow-up C2 and C3 temperature, improve the effectiveness of regenerator of C2 section, avoid as making C3 section temperature reduce and the cooling method of too much employing cold wind or watering, and then saved the energy and resource.
About the device in above-described embodiment, wherein the concrete mode of unit executable operations has been described in detail in about the embodiment of the method, will not elaborate explanation herein.
Those skilled in the art, at consideration specification sheets and after putting into practice invention disclosed herein, will easily expect other embodiment of the present invention.The application is intended to contain any modification of the present invention, purposes or adaptations, and these modification, purposes or adaptations are followed general principle of the present invention and comprised the undocumented common practise in the art of the present invention or conventional techniques means.Specification sheets and embodiment are only regarded as exemplary, and true scope of the present invention and spirit are pointed out by appended claim.
Should be understood that, the present invention is not limited to precision architecture described above and illustrated in the accompanying drawings, and can carry out various amendment and change not departing from its scope.Scope of the present invention is only limited by appended claim.
Claims (8)
1. a grate kiln temperature-controlled process, is characterized in that, described method comprises:
Obtain drying grate PH section petticoat pipe temperature TI_PH, rotary kiln dump temperature TI_KN;
According to TI_PH and TI_KN, according to preset strategy, given coal nozzle amount SI_Coal, given gasburner amount SI_Gas, given central cooler speed SI_Cooler, given PH section exhausting electric machine frequency SI_PH are adjusted.
2. method according to claim 1, is characterized in that, described preset strategy comprises:
When TI_PH too high or higher time, reduce SI_Gas;
When TI_PH too low or lower time, increase SI_Gas;
When TI_KN is too high, reduce SI_Cooler;
When TI_PH is too high, or, TI_PH is higher and TI_KN is too high or higher time, reduce SI_PH;
When TI_PH too low or lower time, increase SI_PH;
When TI_KN too high or higher time, reduce SI_Coal;
When TI_KN too low or lower time, increase SI_Coal.
3. method according to claim 2, is characterized in that,
For TI_PH:(720,760] for too low, (760,800] be lower, (800,860) are zone of reasonableness, [860,920) be higher, [920,950) for too high;
For TI_KN:(820,860] for too low, (860,890] be lower, (890,910) are zone of reasonableness, [910,940) be higher, [940,960) for too high;
Wherein unit is DEG C.
4. method according to claim 1, is characterized in that, the gap periods of described adjustment is 30 seconds.
5. a grate kiln temperature-control device, is characterized in that, described device comprises:
Temperature acquiring unit, for obtaining drying grate PH section petticoat pipe temperature TI_PH, rotary kiln dump temperature TI_KN;
Control unit, for according to TI_PH and TI_KN, adjusts given coal nozzle amount SI_Coal, given gasburner amount SI_Gas, given central cooler speed SI_Cooler, given PH section exhausting electric machine frequency SI_PH according to preset strategy.
6. device according to claim 5, is characterized in that, described preset strategy comprises:
When TI_PH too high or higher time, reduce SI_Gas;
When TI_PH too low or lower time, increase SI_Gas;
When TI_KN is too high, reduce SI_Cooler;
When TI_PH is too high, or, TI_PH is higher and TI_KN is too high or higher time, reduce SI_PH;
When TI_PH too low or lower time, increase SI_PH;
When TI_KN too high or higher time, reduce SI_Coal;
When TI_KN too low or lower time, increase SI_Coal.
7. device according to claim 6, is characterized in that,
For TI_PH:(720,760] for too low, (760,800] be lower, (800,860) are zone of reasonableness, [860,920) be higher, [920,950) for too high;
For TI_KN:(820,860] for too low, (860,890] be lower, (890,910) are zone of reasonableness, [910,940) be higher, [940,960) for too high;
Wherein unit is DEG C.
8. device according to claim 5, is characterized in that, the gap periods of described adjustment is 30 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510493193.3A CN105087908B (en) | 2015-08-12 | 2015-08-12 | A kind of grate kiln temprature control method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510493193.3A CN105087908B (en) | 2015-08-12 | 2015-08-12 | A kind of grate kiln temprature control method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105087908A true CN105087908A (en) | 2015-11-25 |
| CN105087908B CN105087908B (en) | 2017-08-22 |
Family
ID=54569230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510493193.3A Active CN105087908B (en) | 2015-08-12 | 2015-08-12 | A kind of grate kiln temprature control method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105087908B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106987710A (en) * | 2017-06-13 | 2017-07-28 | 山东钢铁股份有限公司 | A kind of online pre-control method of pelletizing production technique and device |
| CN111580576A (en) * | 2020-04-16 | 2020-08-25 | 山东莱钢永锋钢铁有限公司 | System and method for monitoring red ball under ring cooling machine for iron making and automatic water adding machine |
| CN112484025A (en) * | 2020-12-04 | 2021-03-12 | 鞍钢集团矿业有限公司 | Three-channel pulverized coal burner and rotary kiln with same |
| CN115236984A (en) * | 2022-07-25 | 2022-10-25 | 北京佰能盈天科技股份有限公司 | Pellet rotary kiln temperature control method and device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996032669A1 (en) * | 1995-04-10 | 1996-10-17 | Siemens Aktiengesellschaft | Method of controlling the heat-treatment process in a pelleting plant |
| CN101398258A (en) * | 2008-11-04 | 2009-04-01 | 首钢总公司 | Air-coal mixed spraying automatic control system and method thereof |
| CN102866240A (en) * | 2012-09-17 | 2013-01-09 | 中南大学 | Online soft measurement method of magnetite oxygenation efficiency distribution in grate pellet material layer |
| CN103954144A (en) * | 2014-04-17 | 2014-07-30 | 北京佰能电气技术有限公司 | Sintering annular cooler cooling process monitoring system and control method |
| CN104498706A (en) * | 2014-12-22 | 2015-04-08 | 中南大学 | Optimizing method for pelletizing production integrating triune chain-and-grid conveyer, rotary kiln and circular cooler |
-
2015
- 2015-08-12 CN CN201510493193.3A patent/CN105087908B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996032669A1 (en) * | 1995-04-10 | 1996-10-17 | Siemens Aktiengesellschaft | Method of controlling the heat-treatment process in a pelleting plant |
| CN101398258A (en) * | 2008-11-04 | 2009-04-01 | 首钢总公司 | Air-coal mixed spraying automatic control system and method thereof |
| CN102866240A (en) * | 2012-09-17 | 2013-01-09 | 中南大学 | Online soft measurement method of magnetite oxygenation efficiency distribution in grate pellet material layer |
| CN103954144A (en) * | 2014-04-17 | 2014-07-30 | 北京佰能电气技术有限公司 | Sintering annular cooler cooling process monitoring system and control method |
| CN104498706A (en) * | 2014-12-22 | 2015-04-08 | 中南大学 | Optimizing method for pelletizing production integrating triune chain-and-grid conveyer, rotary kiln and circular cooler |
Non-Patent Citations (2)
| Title |
|---|
| 王祎: "铁矿氧化球团链篦机—回转窑模拟模型和控制指导专家系统的研究", 《中南大学博士学位论文》 * |
| 范晓慧等: ""武钢鄂州球团厂链篦机-回转窑氧化球团生产优化专家系统的开发及应用"", 《烧结球团》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106987710A (en) * | 2017-06-13 | 2017-07-28 | 山东钢铁股份有限公司 | A kind of online pre-control method of pelletizing production technique and device |
| CN106987710B (en) * | 2017-06-13 | 2018-09-25 | 山东钢铁股份有限公司 | A kind of online pre-control method of pelletizing production technique and device |
| CN111580576A (en) * | 2020-04-16 | 2020-08-25 | 山东莱钢永锋钢铁有限公司 | System and method for monitoring red ball under ring cooling machine for iron making and automatic water adding machine |
| CN112484025A (en) * | 2020-12-04 | 2021-03-12 | 鞍钢集团矿业有限公司 | Three-channel pulverized coal burner and rotary kiln with same |
| CN115236984A (en) * | 2022-07-25 | 2022-10-25 | 北京佰能盈天科技股份有限公司 | Pellet rotary kiln temperature control method and device |
| CN115236984B (en) * | 2022-07-25 | 2024-07-23 | 北京佰能盈天科技股份有限公司 | Pellet rotary kiln temperature control method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105087908B (en) | 2017-08-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105087908A (en) | Temperature control method and device for chain grate-rotary kiln | |
| CN202008275U (en) | Environmentally-friendly de nitration catalyst tunnel furnace type drying device | |
| CN202793043U (en) | Magnetic material sintering system | |
| CN203999746U (en) | Acid pellet production process waste heat recycling system | |
| CN110157903B (en) | Pellet ore cooling waste gas recycling system and using method | |
| CN103817773A (en) | Yellow phosphor high-temperature slag brickmaking system | |
| CN205209223U (en) | Continuous automatic production foamed ceramics energy saving and emission reduction tunnel cave | |
| CN105087899B (en) | Heat accumulating type heating furnace and flue gas circulating combustion method thereof | |
| CN106702143A (en) | Efficiently-energy-saving hot air supply method for belt type roasting machine | |
| CN104745757B (en) | A kind of microwave fuel combined heat formula coal-based direct reduction method and rotary hearth furnace | |
| WO2018014148A1 (en) | Multistage roasting-smelting method and equipment for reduction ironmaking | |
| CN103097844B (en) | For starting method and the agglomerating plant of sintering furnace | |
| CN210620901U (en) | Grate-shaft furnace equipment for pellet roasting | |
| CN105108128B (en) | A kind of continuous casting tundish energy-conservation baking system and its use technique | |
| CN205170895U (en) | Rotary kiln CO2 and argon gas are used for controlling means of converter smelting | |
| CN105135900A (en) | Method and device for controlling temperature of outlet of circular cooler | |
| CN206553461U (en) | Samming forges coal stove | |
| CN103028335A (en) | Mixing and kneading device | |
| CN106702065A (en) | Novel system and novel method for preparing sponge iron through gas-based shaft kiln | |
| CN203625449U (en) | Micro-power hot air preheater for secondary sinter mixture | |
| CN204115496U (en) | A kind of residual heat of tunnel kiln utilize device | |
| CN103205519B (en) | Technology for extracting iron from steel-making and ironmaking fly ash by micro-wave heating | |
| CN203683618U (en) | Hybrid kiln | |
| CN203002262U (en) | Kneading device | |
| CN103614549A (en) | Micro-power hot air preheating method and device for sintering secondary mixture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |