JPS643401A - Waste heat recovery device - Google Patents
Waste heat recovery deviceInfo
- Publication number
- JPS643401A JPS643401A JP15692987A JP15692987A JPS643401A JP S643401 A JPS643401 A JP S643401A JP 15692987 A JP15692987 A JP 15692987A JP 15692987 A JP15692987 A JP 15692987A JP S643401 A JPS643401 A JP S643401A
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- amount
- detector
- valve
- steam
- 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
Abstract
PURPOSE: To control a steam generating amount constant when a generated exhaust gas amount is a ventilation capacity or more of an exhaust heat boiler by providing a pressure detector at a concentrated tube and a generated steam amount detector at the boiler, operating a valve travel of a flow regulating valve of one flue in response to a deviation of a pressure detected value from a set pressure value, and operating a valve travel of a flow regulating valve of the other flue based on a deviation of a steam amount detected value from a set steam amount value, thereby controlling a pressure in the concentrated tube constantly. CONSTITUTION: A pressure detector 11 is provided at a concentrated tube 3, and a valve travel of a flow regulating valve 8 is operated by a regulater 12 based on a deviation of a pressure detected value from the detector 11 from a preset pressure set value. A generated steam amount detector 14 is provided at a waste heat boiler 7, a valve travel operating amount of a flow regulating valve 10 is calculated by a calculator 16 according to a deviation of a steam amount detected value from the detector 14 from a preset steam amount set value, and the travel of the valve 10 is operated by a regulater 17. Thus, a pressure in the tube 3 is controlled constant to control the steam generation amount constant when the generated exhaust gas amount is the ventilating capacity or more of the boiler 7 without disordering furnace pressure controls of heating furnaces 1, 2.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15692987A JPH0799242B2 (en) | 1987-06-24 | 1987-06-24 | Exhaust heat recovery device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15692987A JPH0799242B2 (en) | 1987-06-24 | 1987-06-24 | Exhaust heat recovery device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS643401A true JPS643401A (en) | 1989-01-09 |
JPH0799242B2 JPH0799242B2 (en) | 1995-10-25 |
Family
ID=15638445
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15692987A Expired - Lifetime JPH0799242B2 (en) | 1987-06-24 | 1987-06-24 | Exhaust heat recovery device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0799242B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016070592A (en) * | 2014-09-30 | 2016-05-09 | 新日鐵住金株式会社 | Exhaust heat recovery facility for heating furnace and exhaust heat recovery method for heating furnace |
-
1987
- 1987-06-24 JP JP15692987A patent/JPH0799242B2/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016070592A (en) * | 2014-09-30 | 2016-05-09 | 新日鐵住金株式会社 | Exhaust heat recovery facility for heating furnace and exhaust heat recovery method for heating furnace |
Also Published As
Publication number | Publication date |
---|---|
JPH0799242B2 (en) | 1995-10-25 |
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