Title:
ANTIFREEZING SYSTEM OF STEAM PIPING SYSTEM
Document Type and Number:
Japanese Patent JP2016001057
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a system for effectively preventing freezing of steam piping.SOLUTION: A system (10) includes at least one first antifreezing valve (12) disposed on a prescribed place of a steam piping main pipe, and trap portions (14) respectively disposed at a downstream side of the first antifreezing valve. The trap portions respectively have a steam trap (16) connected to the steam piping main pipe in series, and a second antifreezing valve (18) connected to be communicated with a strainer of the steam trap. The first antifreezing valve and the second antifreezing valve are constituted to be opened when the inside of the steam piping main pipe has a prescribed pressure or less, or a prescribed temperature or less.
Inventors:
NARUMI NAOE
Application Number:
JP2015037824A
Publication Date:
January 07, 2016
Filing Date:
February 27, 2015
Export Citation:
Assignee:
BOILER ENGINEERING KK
International Classes:
F17D1/05; F16K17/34; F16T1/00
Domestic Patent References:
| JPH01100019U | 1989-07-05 | |||
| JPH01208623A | 1989-08-22 | |||
| JPS591774U | 1984-01-07 | |||
| JP2001295989A | 2001-10-26 | |||
| JPS57198518U | 1982-12-16 | |||
| JPS60146976A | 1985-08-02 | |||
| JPH01100019U | 1989-07-05 |
Attorney, Agent or Firm:
Seiji Sugiyama