JPS61114200U

JPS61114200U -

Info

Publication number: JPS61114200U
Application number: JP19663284U
Authority: JP
Priority date: 1984-12-28
Filing date: 1984-12-28
Publication date: 1986-07-18

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を適用した蒸気ター
ビンプラントの概略系統図、第２図はドレン弁制
御器の論理構成図である。８……補助蒸気管、９……蒸気弁、１２……ド
レン管、１３……ドレン弁、２０……蒸気管温度
検出器、２１……ドレン管温度検出器、２２……
ドレン弁制御器。 FIG. 1 is a schematic system diagram of a steam turbine plant to which an embodiment of the present invention is applied, and FIG. 2 is a logical configuration diagram of a drain valve controller. 8...Auxiliary steam pipe, 9...Steam valve, 12...Drain pipe, 13...Drain valve, 20...Steam pipe temperature detector, 21...Drain pipe temperature detector, 22...
Drain valve controller.

Claims

[Scope of utility model registration request]

A steam system consisting of a steam pipe, a steam valve installed in the steam pipe to control the flow of steam through the steam pipe, a drain pipe branched from the steam pipe, and a drain valve installed in the drain pipe. In the drain discharge system of the pipeline, a first temperature detector is provided in the steam pipe, a second temperature detector is provided in the vicinity of the drain valve of the drain pipe, and further, these first and second temperature detectors are provided. and a drain valve controller that opens the drain valve when the difference in temperature detected by the steam valve is above a certain value and the steam valve is open, and closes the drain valve at other times. Drain discharge device for steam pipelines.