JPS59103009U - Water supply differential pressure control device - Google Patents

Water supply differential pressure control device

Info

Publication number
JPS59103009U
JPS59103009U JP19496282U JP19496282U JPS59103009U JP S59103009 U JPS59103009 U JP S59103009U JP 19496282 U JP19496282 U JP 19496282U JP 19496282 U JP19496282 U JP 19496282U JP S59103009 U JPS59103009 U JP S59103009U
Authority
JP
Japan
Prior art keywords
differential pressure
pressure control
water supply
control device
control valve
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
Application number
JP19496282U
Other languages
Japanese (ja)
Inventor
山崎 幸太
Original Assignee
株式会社日立製作所
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 株式会社日立製作所 filed Critical 株式会社日立製作所
Priority to JP19496282U priority Critical patent/JPS59103009U/en
Publication of JPS59103009U publication Critical patent/JPS59103009U/en
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Steam Boilers And Waste-Gas Boilers (AREA)
  • Feeding And Controlling Fuel (AREA)
  • Flow Control (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。
(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第1図は、本考案の基となる給水系統図、第2図は、従
来例を示す制御系統図、第3図は、本考案の一実施例を
示す制御系統図、第4図は、本考案を説明する為のボイ
ラー負荷に対する各設計曲線の関係図である。 1・・・給水ポンプ、4・・・高圧ヒータ、8・・・給
水差圧発信器、13・・・切替器。
Fig. 1 is a water supply system diagram that is the basis of the present invention, Fig. 2 is a control system diagram showing a conventional example, Fig. 3 is a control system diagram showing an embodiment of the present invention, and Fig. 4 is a control system diagram showing an example of the present invention. FIG. 3 is a relationship diagram of each design curve with respect to boiler load for explaining the present invention. 1... Water supply pump, 4... High pressure heater, 8... Water supply differential pressure transmitter, 13... Switching device.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 給水流量制御弁2と給水差圧制御弁3とを有する場合の
給水差圧制御方式に於て、給水差圧制御弁3をボイラー
負荷A点に於て、第4図の曲線23の如く、制御信号に
対する給水差圧制御弁3の開度傾きを変更することを特
徴とする給水差圧制御装置。
In the feed water differential pressure control method in which the feed water flow rate control valve 2 and the feed water differential pressure control valve 3 are provided, when the feed water differential pressure control valve 3 is at the boiler load point A, as shown by the curve 23 in FIG. 4, A water supply differential pressure control device characterized by changing the opening degree slope of the water supply differential pressure control valve 3 in response to a control signal.
JP19496282U 1982-12-24 1982-12-24 Water supply differential pressure control device Pending JPS59103009U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19496282U JPS59103009U (en) 1982-12-24 1982-12-24 Water supply differential pressure control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19496282U JPS59103009U (en) 1982-12-24 1982-12-24 Water supply differential pressure control device

Publications (1)

Publication Number Publication Date
JPS59103009U true JPS59103009U (en) 1984-07-11

Family

ID=30418893

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19496282U Pending JPS59103009U (en) 1982-12-24 1982-12-24 Water supply differential pressure control device

Country Status (1)

Country Link
JP (1) JPS59103009U (en)

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