JPS5770321A - Controlling method of boiler - Google Patents
Controlling method of boilerInfo
- Publication number
- JPS5770321A JPS5770321A JP14580680A JP14580680A JPS5770321A JP S5770321 A JPS5770321 A JP S5770321A JP 14580680 A JP14580680 A JP 14580680A JP 14580680 A JP14580680 A JP 14580680A JP S5770321 A JPS5770321 A JP S5770321A
- Authority
- JP
- Japan
- Prior art keywords
- output
- circuit
- thermal
- fuel flow
- calorific value
- 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.)
- Pending
Links
Landscapes
- Regulation And Control Of Combustion (AREA)
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Abstract
PURPOSE: To enable to control the heat input to a boiler by a system wherein the calorific value of the coal under combustion can be estimated on-line real-time from the thermal output efficiency of the coal firing boiler.
CONSTITUTION: The fuel flow is determined by a fuel flow command circuit 2 based on the output of a thermal output damand signal circuit 1 set by the output demand signals of a generator and the like. On the other hand, the outputs of the thermal output damand signal circuit 1, a coal feed signal circuit 5 and a thermal efficiency inputting circuit 10 are inputted into a thermal efficiency calculating unit 9 in order to calculate the thermal output efficiency of the boiler. The calculated output is processed through a calorific value calculating circuit 8, a calorific value correction circuit 7 and a multiplier 6 and the deviation of the processed output from the command value of the fuel flow command circuit 2 is obtained in order to input into a PI controller 3. The PI controller 3 controls the speed command of a coal feeder 4. In such a manner as described above, the variation of the calorific value of the fuel can be corrected so as to proportionate the fed fuel flow to the necessary heat input.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14580680A JPS5770321A (en) | 1980-10-20 | 1980-10-20 | Controlling method of boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14580680A JPS5770321A (en) | 1980-10-20 | 1980-10-20 | Controlling method of boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5770321A true JPS5770321A (en) | 1982-04-30 |
Family
ID=15393573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14580680A Pending JPS5770321A (en) | 1980-10-20 | 1980-10-20 | Controlling method of boiler |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5770321A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63259303A (en) * | 1987-04-14 | 1988-10-26 | 石川島播磨重工業株式会社 | plant control equipment |
| WO2005052450A1 (en) * | 2003-11-27 | 2005-06-09 | Siemens Aktiengesellschaft | Method for determining fluctuating fuel properties during the operation of a power plant |
| CN111538231A (en) * | 2020-06-01 | 2020-08-14 | 国电南京电力试验研究有限公司 | Fuel calorific value rapid correction method suitable for separate grinding mixed combustion mode |
| CN113076623A (en) * | 2021-03-02 | 2021-07-06 | 西安交通大学 | Dynamic estimation method and system for coal-fired calorific value of thermal power generating unit |
| WO2024143132A1 (en) * | 2022-12-27 | 2024-07-04 | 三菱重工業株式会社 | Boiler control device, boiler, boiler control method, and boiler control program |
-
1980
- 1980-10-20 JP JP14580680A patent/JPS5770321A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63259303A (en) * | 1987-04-14 | 1988-10-26 | 石川島播磨重工業株式会社 | plant control equipment |
| WO2005052450A1 (en) * | 2003-11-27 | 2005-06-09 | Siemens Aktiengesellschaft | Method for determining fluctuating fuel properties during the operation of a power plant |
| US7331219B2 (en) | 2003-11-27 | 2008-02-19 | Siemens Aktiengesellschaft | Method for determining fluctuating fuel properties during the operation of a power plant |
| CN111538231A (en) * | 2020-06-01 | 2020-08-14 | 国电南京电力试验研究有限公司 | Fuel calorific value rapid correction method suitable for separate grinding mixed combustion mode |
| CN113076623A (en) * | 2021-03-02 | 2021-07-06 | 西安交通大学 | Dynamic estimation method and system for coal-fired calorific value of thermal power generating unit |
| CN113076623B (en) * | 2021-03-02 | 2022-12-09 | 西安交通大学 | A method and system for dynamically estimating the coal-fired calorific value of a thermal power unit |
| WO2024143132A1 (en) * | 2022-12-27 | 2024-07-04 | 三菱重工業株式会社 | Boiler control device, boiler, boiler control method, and boiler control program |
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