JPH0262203U - - Google Patents
Info
- Publication number
- JPH0262203U JPH0262203U JP13496388U JP13496388U JPH0262203U JP H0262203 U JPH0262203 U JP H0262203U JP 13496388 U JP13496388 U JP 13496388U JP 13496388 U JP13496388 U JP 13496388U JP H0262203 U JPH0262203 U JP H0262203U
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- boiler
- burner
- control device
- time
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Description
第１図はこの考案における制御装置を用いたボ
イラーの概略図、第２図はこの考案における制御
装置を用いた場合の圧力変化曲線を示すグラフ、
第３図はこの考案における制御装置のフローチヤ
ート、第４図は従来の制御における圧力変化曲線
を示すグラフである。
１…圧力センサー、２…ボイラー、３…バーナ
、５…給水ポンプ、６…制御装置、７…水位制御
筒。
Fig. 1 is a schematic diagram of a boiler using the control device of this invention, and Fig. 2 is a graph showing a pressure change curve when using the control device of this invention.
FIG. 3 is a flowchart of the control device according to this invention, and FIG. 4 is a graph showing a pressure change curve in conventional control. DESCRIPTION OF SYMBOLS 1...Pressure sensor, 2...Boiler, 3...Burner, 5...Water pump, 6...Control device, 7...Water level control cylinder.
Claims (1)
ーナ停止時、該蒸気圧力の時間に対する変動割合
（圧力勾配）を求め、設定時間後の圧力を予想算
出する演算手段と、この手段によつて算出された
圧力値がボイラーの使用圧力の下限レベルＰＦ以
下となつた場合、バーナの燃焼開始を指令する手
段及び同時に給水ポンプを始動させる手段を有す
ることを特徴とするボイラーの過負荷運転時にお
ける制御装置。 a pressure detection means for detecting the internal pressure of the boiler; a calculation means for determining the rate of change (pressure gradient) of the steam pressure with respect to time when the burner is stopped; and calculating a predicted pressure after a set time; A control device for controlling a boiler during overload operation, characterized in that it has means for instructing the start of combustion of a burner and means for simultaneously starting a water pump when the pressure value of the boiler becomes equal to or less than the lower limit level PF of the working pressure of the boiler. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988134963U JP2507406Y2 (en) | 1988-10-14 | 1988-10-14 | Boiler operation control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988134963U JP2507406Y2 (en) | 1988-10-14 | 1988-10-14 | Boiler operation control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0262203U true JPH0262203U (en) | 1990-05-09 |
| JP2507406Y2 JP2507406Y2 (en) | 1996-08-14 |
Family
ID=31394179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988134963U Expired - Lifetime JP2507406Y2 (en) | 1988-10-14 | 1988-10-14 | Boiler operation control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2507406Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59129305A (en) * | 1983-01-13 | 1984-07-25 | 川崎製鉄株式会社 | Boiler main steam pressure control system |
| JPS63194103A (en) * | 1987-02-04 | 1988-08-11 | 三浦工業株式会社 | Control method at time of overload operation of boiler |
-
1988
- 1988-10-14 JP JP1988134963U patent/JP2507406Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59129305A (en) * | 1983-01-13 | 1984-07-25 | 川崎製鉄株式会社 | Boiler main steam pressure control system |
| JPS63194103A (en) * | 1987-02-04 | 1988-08-11 | 三浦工業株式会社 | Control method at time of overload operation of boiler |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2507406Y2 (en) | 1996-08-14 |
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