CN112178632A - Coal-sand mixed use method for starting circulating fluidized bed double-bed furnace - Google Patents
Coal-sand mixed use method for starting circulating fluidized bed double-bed furnace Download PDFInfo
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- CN112178632A CN112178632A CN202011198353.9A CN202011198353A CN112178632A CN 112178632 A CN112178632 A CN 112178632A CN 202011198353 A CN202011198353 A CN 202011198353A CN 112178632 A CN112178632 A CN 112178632A
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- coal
- sand
- furnace
- gasification furnace
- conveying
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
- F23C10/18—Details; Accessories
- F23C10/28—Control devices specially adapted for fluidised bed, combustion apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
- F23C10/18—Details; Accessories
- F23C10/22—Fuel feeders specially adapted for fluidised bed combustion apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C2206/00—Fluidised bed combustion
- F23C2206/10—Circulating fluidised bed
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
Abstract
The invention discloses a coal-sand mixed use method for starting a circulating fluidized bed double-bed furnace, which comprises the following steps: s1, data acquisition; s2, determining the coal sand ratio; s3, premixing the coal sand; s4, conveying the coal sand; s5, setting a manual intervention device; s6, increasing the multiplying power and continuously conveying; s7, converting coal supply; s8, prejudging, adjusting and manually intervening; the invention enters the gasification furnace through the spiral feeder of the gasification furnace body, and the manual intervention device is arranged on the spiral feeder, so that the internal temperature of the hearth is improved and stabilized while the material circulation multiplying power is continuously increased, and the overtemperature slagging caused by overlarge coal charging amount is avoided until the temperature and the pressure reach the process requirements, the coal is fed through the pyrolysis furnace, the material proportion is adjusted by adopting advance prejudgment, the coal and bed materials are added into the gasification furnace by a proper manual intervention method, and the material circulation in the furnace is quickly established, so that the coal-sand mixing effect when the double-bed furnace of the circulating fluidized bed is started is effectively improved.
Description
Technical Field
The invention relates to the technical field of coal sand mixing, in particular to a coal sand mixing use method for starting a furnace by two beds of a circulating fluidized bed.
Background
The circulating fluidized bed boiler adopts a clean coal combustion technology with the highest industrialization degree, adopts fluidized combustion, has the main structure comprising two parts of a combustion chamber (comprising a dense-phase region and a dilute-phase region) and a circulating return furnace (comprising a high-temperature gas-solid separator and a return system), has the biggest difference with the bubbling fluidized bed combustion technology that the running wind speed is high, the heterogeneous reaction processes of combustion, desulfurization and the like are enhanced, the capacity of the boiler can be expanded to a large capacity (600MW or above grade) acceptable by the power industry, the circulating fluidized bed boiler well solves the basic problems of heat, mechanics, materials and the like and the engineering problems of expansion, abrasion, over temperature and the like, becomes an advanced technology for utilizing energy of difficult-to-burn solid fuels (such as coal gangue, oil shale, municipal refuse, silt and other wastes), and a mixing method applied when the circulating fluidized bed double-bed boiler is started in the prior art has certain defects, for example:
the coal sand of traditional circulating fluidized bed double-bed start-up stove has the mixing ratio and is difficult to adjust the cooperation when mixing the transport, and can't effectual realization manual intervention adjusts the condition of coal sand material mixing transport ratio in transportation process to greatly reduced the stove material circulation effect when adding coal and bed material to the gasifier so can't satisfy prior art needs.
Disclosure of Invention
In order to achieve the purpose, the invention adopts a technical scheme that: the coal-sand mixed use method for providing the double-bed start-up of the circulating fluidized bed comprises the following steps: s1, data acquisition: the method comprises the steps of collecting data parameters in a gasification furnace to obtain specific values of various data parameters in the gasification furnace; s2, determining the coal sand ratio: comprehensively balancing acquired data parameters to obtain a coal-sand ratio required by a furnace starting combustion stage; s3, premixing coal sand: pre-mixing the coal sand to be mixed according to the determined coal sand ratio; s4, conveying coal sand: conveying the premixed coal sand into the gasification furnace through a screw feeder in the furnace body of the gasification furnace; s5, setting a manual intervention device: a manual intervention device is fixedly arranged on the screw feeder; s6, increasing the multiplying power and continuously conveying: increasing and stabilizing the internal temperature of the hearth while continuously increasing the circulation rate of conveying the coal sand until the temperature and the pressure of the gasification furnace meet the process requirements; s7, conversion of coal supply: continuously conveying the coal material into the gasification furnace through the pyrolysis furnace; s8, prejudging, adjusting and manually intervening: the material conveying proportion is adjusted through advanced prejudgment, and meanwhile, coal and bed materials are properly added into the gasification furnace by utilizing a manual intervention device, so that the material circulation in the furnace is quickly established.
Wherein the data parameters further include: the method comprises the steps of acquiring a temperature parameter in the gasification furnace, an internal pressure parameter of the gasification furnace, a flow parameter in the gasification furnace and a flow velocity parameter in the gasification furnace, wherein the temperature parameter in the gasification furnace, the internal pressure parameter in the gasification furnace, the flow parameter in the gasification furnace and the flow velocity parameter in the gasification furnace are acquired at intervals of sixty seconds.
And calling the coal-sand ratio after comprehensive balance in the determined coal-sand ratio by using an average numerical value, wherein the calling frequency is not more than three times.
And in the coal sand premixing, the coal sand proportioned according to the coal sand ratio is premixed through a coal sand mixing and stirring mechanism, and the premixed coal sand is quantitatively stored by means of a collecting barrel.
Wherein, in the coal sand transportation, when the coal sand is transported into the gasification furnace by the screw feeder in the furnace body of the gasification furnace, the transported coal sand is subjected to softening treatment by the stirring rod.
The manual intervention device is specifically a control baffle of the coal sand conveying amount, and the control baffle is used as a mechanism for reducing and increasing the coal sand conveying amount.
Wherein, the multiplying power increased in the continuous increasing multiplying power conveying is increased by exponential multiplying power, and the temperature in the hearth is increased in an equal ratio mode during continuous conveying.
The pyrolysis furnace continuously conveys coal materials into the gasification furnace through the conveying pipe, and a flowmeter is fixedly connected inside the conveying pipe.
The pre-judging and adjusting step is positioned before the coal-sand ratio determining step, and the manual intervention step is positioned after the manual intervention device setting step.
And after the step of establishing the material circulation in the furnace, the step of continuously conveying the coal material into the gasification furnace through the pyrolysis furnace is circulated again.
The proposal obtains the coal-sand ratio required by the combustion stage of the gasifier through the comprehensive balance of the temperature, the pressure, the flow rate and the like in the gasifier, pre-mixes the pulverized coal and the river sand according to a proper proportion in advance, enters the gasification furnace through the gasification furnace body screw feeder, and is provided with a manual intervention device, the material circulation ratio is continuously increased, the temperature in the hearth is improved and stabilized, overtemperature slagging caused by overlarge coal charging amount is avoided until the temperature and the pressure meet the process requirements, the coal is fed through a pyrolysis furnace instead, meanwhile, the method of adjusting the material proportion by adopting advanced prejudgment and appropriate manual intervention is adopted to add coal and bed materials into the gasification furnace and quickly establish material circulation in the furnace, so that the coal-sand mixing effect of the circulating fluidized bed when the double-bed furnace is started is effectively improved, and the defects in the prior art are effectively overcome.
Detailed Description
In the following, reference will be made to various embodiments of the invention. However, embodiments may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will fully convey the scope of the invention to those skilled in the art. In other instances, well-known functions or constructions may not be described or shown in detail to avoid obscuring the subject matter of the present disclosure.
The first embodiment is as follows:
in this embodiment, the method includes the following steps: s1, data acquisition: the method comprises the steps of collecting data parameters in a gasification furnace to obtain specific values of various data parameters in the gasification furnace; s2, determining the coal sand ratio: comprehensively balancing acquired data parameters to obtain a coal-sand ratio required by a furnace starting combustion stage; s3, premixing coal sand: pre-mixing the coal sand to be mixed according to the determined coal sand ratio; s4, conveying coal sand: conveying the premixed coal sand into the gasification furnace through a screw feeder in the furnace body of the gasification furnace; s5, setting a manual intervention device: a manual intervention device is fixedly arranged on the screw feeder; s6, increasing the multiplying power and continuously conveying: increasing and stabilizing the internal temperature of the hearth while continuously increasing the circulation rate of conveying the coal sand until the temperature and the pressure of the gasification furnace meet the process requirements; s7, conversion of coal supply: continuously conveying the coal material into the gasification furnace through the pyrolysis furnace; s8, prejudging, adjusting and manually intervening: the material conveying proportion is adjusted through advanced prejudgment, and meanwhile, coal and bed materials are properly added into the gasification furnace by utilizing a manual intervention device, so that the material circulation in the furnace is quickly established.
Example two:
in this embodiment, the method includes the following steps: s1, data acquisition: the method comprises the following steps of collecting data parameters in the gasification furnace to obtain specific values of various data parameters in the gasification furnace, wherein the data parameters further comprise: the method comprises the following steps of acquiring data at intervals of sixty seconds when acquiring a temperature parameter in a gasification furnace, an internal pressure parameter of the gasification furnace, a flow parameter in the gasification furnace and a flow velocity parameter in the gasification furnace; s2, determining the coal sand ratio: comprehensively balancing acquired data parameters to obtain a coal-sand ratio required in a furnace starting combustion stage, calling the coal-sand ratio after comprehensive balancing in the determined coal-sand ratio by using an average value, wherein the calling frequency is not more than three times; s3, premixing coal sand: pre-mixing the coal sand to be mixed according to the determined coal sand ratio; s4, conveying coal sand: conveying the premixed coal sand into the gasification furnace through a screw feeder in the furnace body of the gasification furnace; s5, setting a manual intervention device: a manual intervention device is fixedly arranged on the screw feeder; s6, increasing the multiplying power and continuously conveying: increasing and stabilizing the internal temperature of the hearth while continuously increasing the circulation rate of conveying the coal sand until the temperature and the pressure of the gasification furnace meet the process requirements; s7, conversion of coal supply: continuously conveying the coal material into the gasification furnace through the pyrolysis furnace; s8, prejudging, adjusting and manually intervening: the material conveying proportion is adjusted through advanced prejudgment, and meanwhile, coal and bed materials are properly added into the gasification furnace by utilizing a manual intervention device, so that the material circulation in the furnace is quickly established.
Example three:
in this embodiment, the method includes the following steps: s1, data acquisition: the method comprises the steps of collecting data parameters in a gasification furnace to obtain specific values of various data parameters in the gasification furnace; s2, determining the coal sand ratio: comprehensively balancing acquired data parameters to obtain a coal-sand ratio required by a furnace starting combustion stage; s3, premixing coal sand: pre-mixing the coal sand to be mixed according to the determined coal sand ratio, pre-mixing the coal sand proportioned according to the coal sand ratio through a coal sand mixing and stirring mechanism in the coal sand pre-mixing, and simultaneously quantitatively storing the pre-mixed coal sand by means of a collecting barrel; s4, conveying coal sand: conveying the premixed coal sand into the gasification furnace through a screw feeder in the furnace body of the gasification furnace, wherein the conveyed coal sand is subjected to softening treatment through a stirring rod when the coal sand is conveyed into the gasification furnace through the screw feeder in the furnace body of the gasification furnace in the coal sand conveying process; s5, setting a manual intervention device: the manual intervention device is fixedly arranged on the screw feeder, and is specifically a control baffle for the conveying capacity of the coal sand, and the control baffle is used as a mechanism for reducing and increasing the conveying capacity of the coal sand; s6, increasing the multiplying power and continuously conveying: increasing and stabilizing the internal temperature of the hearth while continuously increasing the circulation rate of conveying the coal sand until the temperature and the pressure of the gasification furnace meet the process requirements; s7, conversion of coal supply: continuously conveying the coal material into the gasification furnace through the pyrolysis furnace; s8, prejudging, adjusting and manually intervening: the material conveying proportion is adjusted through advanced prejudgment, and meanwhile, coal and bed materials are properly added into the gasification furnace by utilizing a manual intervention device, so that the material circulation in the furnace is quickly established.
Example four:
in this embodiment, the method includes the following steps: s1, data acquisition: the method comprises the steps of collecting data parameters in a gasification furnace to obtain specific values of various data parameters in the gasification furnace; s2, determining the coal sand ratio: comprehensively balancing acquired data parameters to obtain a coal-sand ratio required by a furnace starting combustion stage; s3, premixing coal sand: pre-mixing the coal sand to be mixed according to the determined coal sand ratio; s4, conveying coal sand: conveying the premixed coal sand into the gasification furnace through a screw feeder in the furnace body of the gasification furnace; s5, setting a manual intervention device: a manual intervention device is fixedly arranged on the screw feeder; s6, increasing the multiplying power and continuously conveying: increasing and stabilizing the temperature in the hearth while continuously increasing the circulation multiplying power of the conveyed coal sand until the temperature and the pressure of the gasification furnace meet the process requirements, wherein the increasing multiplying power in the continuous conveying of the increasing multiplying power is increased in an exponential mode, and the temperature in the hearth is increased in an equal ratio mode during the continuous conveying; s7, conversion of coal supply: the method comprises the following steps of continuously conveying coal materials into a gasification furnace through a pyrolysis furnace, wherein the pyrolysis furnace continuously conveys the coal materials into the gasification furnace through a conveying pipe, and a flowmeter is fixedly connected inside the conveying pipe; s8, prejudging, adjusting and manually intervening: the material conveying proportion is adjusted through advanced prejudgment, and meanwhile, coal and bed materials are properly added into the gasification furnace by utilizing a manual intervention device, so that the material circulation in the furnace is quickly established.
Example five:
in this embodiment, the method includes the following steps: s1, data acquisition: the method comprises the steps of collecting data parameters in a gasification furnace to obtain specific values of various data parameters in the gasification furnace; s2, determining the coal sand ratio: comprehensively balancing acquired data parameters to obtain a coal-sand ratio required by a furnace starting combustion stage; s3, premixing coal sand: pre-mixing the coal sand to be mixed according to the determined coal sand ratio; s4, conveying coal sand: conveying the premixed coal sand into the gasification furnace through a screw feeder in the furnace body of the gasification furnace; s5, setting a manual intervention device: a manual intervention device is fixedly arranged on the screw feeder; s6, increasing the multiplying power and continuously conveying: increasing and stabilizing the internal temperature of the hearth while continuously increasing the circulation rate of conveying the coal sand until the temperature and the pressure of the gasification furnace meet the process requirements; s7, conversion of coal supply: continuously conveying the coal material into the gasification furnace through the pyrolysis furnace; s8, prejudging, adjusting and manually intervening: the method comprises the steps of adjusting the conveying proportion of materials by pre-judging in advance, simultaneously properly adding coal and bed materials into a gasification furnace by using a manual intervention device so as to quickly establish material circulation in the furnace, continuously conveying the coal materials into the gasification furnace through a pyrolysis furnace after the step of establishing material circulation in the furnace, wherein the pre-judging and adjusting step is positioned before the step of determining the coal-sand ratio, and the manual intervention step is positioned after the step of setting the manual intervention device.
In the several embodiments provided in the present invention, it should be understood that the disclosed apparatus and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the modules or units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
Claims (10)
1. The coal-sand mixed use method for starting the circulating fluidized bed with double beds is characterized by comprising the following steps of:
s1, data acquisition: the method comprises the steps of collecting data parameters in a gasification furnace to obtain specific values of various data parameters in the gasification furnace;
s2, determining the coal sand ratio: comprehensively balancing acquired data parameters to obtain a coal-sand ratio required by a furnace starting combustion stage;
s3, premixing coal sand: pre-mixing the coal sand to be mixed according to the determined coal sand ratio;
s4, conveying coal sand: conveying the premixed coal sand into the gasification furnace through a screw feeder in the furnace body of the gasification furnace;
s5, setting a manual intervention device: a manual intervention device is fixedly arranged on the screw feeder;
s6, increasing the multiplying power and continuously conveying: increasing and stabilizing the internal temperature of the hearth while continuously increasing the circulation rate of conveying the coal sand until the temperature and the pressure of the gasification furnace meet the process requirements;
s7, conversion of coal supply: continuously conveying the coal material into the gasification furnace through the pyrolysis furnace;
s8, prejudging, adjusting and manually intervening: the material conveying proportion is adjusted through advanced prejudgment, and meanwhile, coal and bed materials are properly added into the gasification furnace by utilizing a manual intervention device, so that the material circulation in the furnace is quickly established.
2. The method of claim 1, wherein the data parameters further comprise: the method comprises the steps of acquiring a temperature parameter in the gasification furnace, an internal pressure parameter of the gasification furnace, a flow parameter in the gasification furnace and a flow velocity parameter in the gasification furnace, wherein the temperature parameter in the gasification furnace, the internal pressure parameter in the gasification furnace, the flow parameter in the gasification furnace and the flow velocity parameter in the gasification furnace are acquired at intervals of sixty seconds.
3. The method for mixed use of coal and sand for the double-bed startup of the circulating fluidized bed according to claim 1, wherein the determined coal-sand ratio is called as an average value for the coal-sand ratio after the comprehensive balance, and the number of times of calling is not more than three.
4. The method for mixing and using the coal and sand of the circulating fluidized bed double-bed start-up furnace as claimed in claim 1, wherein the coal and sand proportioned according to the coal and sand ratio is pre-mixed by a coal and sand mixing and stirring mechanism in the coal and sand pre-mixing, and the pre-mixed coal and sand is quantitatively stored by a collecting barrel.
5. The method for mixed use of coal and sand for a circulating fluidized bed double-bed startup furnace as claimed in claim 1, wherein the coal and sand transported is softened by a stirring rod when the coal and sand are transported into the gasification furnace by a screw feeder in a furnace body of the gasification furnace.
6. The coal and sand mixed use method for the double-bed start-up of the circulating fluidized bed as claimed in claim 1, wherein the manual intervention device is a control baffle plate for the coal and sand conveying amount, and the control baffle plate is used as a mechanism for reducing and increasing the coal and sand conveying amount.
7. The method of claim 1, wherein the increasing rate of the increasing rate continuous conveying is exponentially increased, and the temperature in the hearth is proportionally increased during the continuous conveying.
8. The method for mixed use of coal and sand in a circulating fluidized bed double-bed startup furnace as claimed in claim 1, wherein the pyrolysis furnace continuously conveys coal into the gasification furnace through a conveying pipe, and a flow meter is fixedly connected inside the conveying pipe.
9. The method for mixed use of coal and sand for starting a furnace of two beds of a circulating fluidized bed according to claim 1, wherein the step of prejudging and adjusting is positioned before the step of determining the coal-sand ratio, and the step of manually intervening is positioned after the step of arranging a manually intervening device.
10. The method of claim 1, wherein the step of continuously feeding the coal into the gasifier through the pyrolysis furnace is performed again after the step of establishing the circulation of the furnace material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011198353.9A CN112178632B (en) | 2020-10-31 | 2020-10-31 | Coal and sand mixed use method for starting circulating fluidized bed double-bed furnace |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011198353.9A CN112178632B (en) | 2020-10-31 | 2020-10-31 | Coal and sand mixed use method for starting circulating fluidized bed double-bed furnace |
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| CN112178632A true CN112178632A (en) | 2021-01-05 |
| CN112178632B CN112178632B (en) | 2022-05-20 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103274656A (en) * | 2013-05-17 | 2013-09-04 | 西南科技大学 | Solid sulfur ash plastering mortar |
| CN103851610A (en) * | 2014-03-25 | 2014-06-11 | 清华大学 | Slag discharging device of circulating fluidized bed boiler |
| CN104713079A (en) * | 2015-03-18 | 2015-06-17 | 山西平朔煤矸石发电有限责任公司 | CFB boiler waste recycling device and method thereof |
| CN107191914A (en) * | 2017-07-17 | 2017-09-22 | 武汉智凯科技有限公司 | Boiler on-line tuning system and method based on as-fired coal information and fire defector |
| CN107726307A (en) * | 2017-11-06 | 2018-02-23 | 南京泰润电力工程有限公司 | The technique that a kind of CFB boiler mixes scoria oil coke |
-
2020
- 2020-10-31 CN CN202011198353.9A patent/CN112178632B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103274656A (en) * | 2013-05-17 | 2013-09-04 | 西南科技大学 | Solid sulfur ash plastering mortar |
| CN103851610A (en) * | 2014-03-25 | 2014-06-11 | 清华大学 | Slag discharging device of circulating fluidized bed boiler |
| CN104713079A (en) * | 2015-03-18 | 2015-06-17 | 山西平朔煤矸石发电有限责任公司 | CFB boiler waste recycling device and method thereof |
| CN107191914A (en) * | 2017-07-17 | 2017-09-22 | 武汉智凯科技有限公司 | Boiler on-line tuning system and method based on as-fired coal information and fire defector |
| CN107726307A (en) * | 2017-11-06 | 2018-02-23 | 南京泰润电力工程有限公司 | The technique that a kind of CFB boiler mixes scoria oil coke |
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