JPS55148906A - Preventive device for inflow of solid particles into steam turbine - Google Patents

Preventive device for inflow of solid particles into steam turbine

Info

Publication number
JPS55148906A
JPS55148906A JP5575179A JP5575179A JPS55148906A JP S55148906 A JPS55148906 A JP S55148906A JP 5575179 A JP5575179 A JP 5575179A JP 5575179 A JP5575179 A JP 5575179A JP S55148906 A JPS55148906 A JP S55148906A
Authority
JP
Japan
Prior art keywords
strainer
steam
turbine
valve
solid particles
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
Application number
JP5575179A
Other languages
Japanese (ja)
Other versions
JPS615522B2 (en
Inventor
Katsuo Daibo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP5575179A priority Critical patent/JPS55148906A/en
Publication of JPS55148906A publication Critical patent/JPS55148906A/en
Publication of JPS615522B2 publication Critical patent/JPS615522B2/ja
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/24—Preventing accumulation of dirt or other matter in the pipes, e.g. by traps, by strainers

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Turbines (AREA)

Abstract

PURPOSE: To catch solid particles at start effectively and prevent pressure drop of steam under working conditions, by movably providing an outer strainer on the outer periphery of an inner strainer in a steam strainer of a main steam shut-valve.
CONSTITUTION: Main steam 2 generated by a boiler heater is flowed into a high pressure turbine through a main steam shut-valve 3, is whose valve main body 12, a strainer 15 is provided around the outer periphery of a valve 14 to prevent solid particles 13 contained in the main steam 2 from entering the steam turbine. An outer strainer 22, which is divided into more than two parts, is provided around the outer periphery of the strainer 15. Each part of the outer strainer 22 is provided with a moving and operating mechanism 25. Both strainers 15, 22 are used as a double strainer when starting the turbine, and under normal working conditions is used only the strainer 15 to operate the turbine while preventing the pressure drop of the steam.
COPYRIGHT: (C)1980,JPO&Japio
JP5575179A 1979-05-09 1979-05-09 Preventive device for inflow of solid particles into steam turbine Granted JPS55148906A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5575179A JPS55148906A (en) 1979-05-09 1979-05-09 Preventive device for inflow of solid particles into steam turbine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5575179A JPS55148906A (en) 1979-05-09 1979-05-09 Preventive device for inflow of solid particles into steam turbine

Publications (2)

Publication Number Publication Date
JPS55148906A true JPS55148906A (en) 1980-11-19
JPS615522B2 JPS615522B2 (en) 1986-02-19

Family

ID=13007550

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5575179A Granted JPS55148906A (en) 1979-05-09 1979-05-09 Preventive device for inflow of solid particles into steam turbine

Country Status (1)

Country Link
JP (1) JPS55148906A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1557537A1 (en) * 2002-10-29 2005-07-27 Kabushiki Kaisha Toshiba Steam valve

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1557537A1 (en) * 2002-10-29 2005-07-27 Kabushiki Kaisha Toshiba Steam valve
EP1557537A4 (en) * 2002-10-29 2006-09-06 Toshiba Kk Steam valve
US7604021B2 (en) 2002-10-29 2009-10-20 Kabushiki Kaisha Toshiba Steam valve

Also Published As

Publication number Publication date
JPS615522B2 (en) 1986-02-19

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