JPS6390703U - - Google Patents
Info
- Publication number
- JPS6390703U JPS6390703U JP18657986U JP18657986U JPS6390703U JP S6390703 U JPS6390703 U JP S6390703U JP 18657986 U JP18657986 U JP 18657986U JP 18657986 U JP18657986 U JP 18657986U JP S6390703 U JPS6390703 U JP S6390703U
- Authority
- JP
- Japan
- Prior art keywords
- air
- steam
- air heater
- flow rate
- temperature corrosion
- 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
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 4
- 229910052717 sulfur Inorganic materials 0.000 claims description 4
- 239000011593 sulfur Substances 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims 2
- 238000005536 corrosion prevention Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 2
Landscapes
- Air Supply (AREA)
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Description
第１図は、本考案の一実施例に係るエアヒータ
低温腐食防止の制御装置の全体系統図、第２図は
、従来の技術によるエアヒータ低温腐食防止の制
御装置の全体系統図、第３図は、燃料中の硫黄含
有量とエアヒータ低温部最低平均温度との関係を
示す図である。
１……ボイラ、２……エアヒータ、３……蒸気
式空気予熱器、４……押込通風機、５……硫黄濃
度計、６……蒸気流量調整弁、７……ＡＨガス側
サーモカツプル、８……ＡＨ空気側サーモカツプ
ル、９……平均演算器、１０……関数発生器、１
１……偏差演算器、１２……比例積分調節器、１
３……煙突、１４……燃料配管。
FIG. 1 is an overall system diagram of a control device for preventing low-temperature corrosion of an air heater according to an embodiment of the present invention, FIG. 2 is an overall system diagram of a control device for preventing low-temperature corrosion of an air heater according to the prior art, and FIG. , is a diagram showing the relationship between the sulfur content in fuel and the minimum average temperature of the air heater low temperature section. 1... Boiler, 2... Air heater, 3... Steam air preheater, 4... Forced draft fan, 5... Sulfur concentration meter, 6... Steam flow rate adjustment valve, 7... AH gas side thermocouple, 8...AH air side thermocouple, 9...Average calculator, 10...Function generator, 1
1... Deviation calculator, 12... Proportional-integral regulator, 1
3...Chimney, 14...Fuel piping.
Claims (1)
気を予熱するエアヒータの空気入口側に設置され
た蒸気式空気予熱器の蒸気流量を制御して前記エ
アヒータの低温腐食を防止する装置において、燃
料中の硫黄濃度を測定する手段と、該測定された
硫黄濃度に応じ、前記蒸気式空気予熱器に供給す
る蒸気流量を最適量に制御する手段とを設けたこ
とを特徴とするエアヒータ低温腐食防止制御装置
。 In a device that prevents low-temperature corrosion of the air heater by controlling the steam flow rate of a steam-type air preheater installed on the air inlet side of an air heater that preheats combustion air using combustion exhaust gas from boiler equipment, etc., A low-temperature corrosion prevention control for an air heater characterized by comprising: means for measuring the sulfur concentration of the air heater; and means for controlling the flow rate of steam supplied to the steam air preheater to an optimum amount according to the measured sulfur concentration. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18657986U JPS6390703U (en) | 1986-12-03 | 1986-12-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18657986U JPS6390703U (en) | 1986-12-03 | 1986-12-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6390703U true JPS6390703U (en) | 1988-06-13 |
Family
ID=31136261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18657986U Pending JPS6390703U (en) | 1986-12-03 | 1986-12-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6390703U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016129395A1 (en) * | 2015-02-10 | 2016-08-18 | 三菱重工業株式会社 | Boiler feed-water system, boiler provided with said system, and boiler feed-water method |
-
1986
- 1986-12-03 JP JP18657986U patent/JPS6390703U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016129395A1 (en) * | 2015-02-10 | 2016-08-18 | 三菱重工業株式会社 | Boiler feed-water system, boiler provided with said system, and boiler feed-water method |
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