Steam-raising system

Details Steam-raising system Steam-raising system

1993-06-25

1995-02-28

Favors, Edward G.

Liquid heaters and vaporizers

Feeders

Automatic

1224064, 1224065, 1224511, 1224512, 22D 526, F22D 526

Patent

active

053927397

ABSTRACT:
A steam-raising system comprising a boiler, a pump connected by a flow passageway to the boiler to pump water thereto, and flow-control means connected to the flow passageway between the pump and the boiler to control the flow of water from the pump to the boiler. The flow-control means comprise at least two relief means in parallel with one another, but with their points of connection to the flow passageway between the pump and the boiler spaced apart in series with one another. The invention extends to method of operating a steam-raising system such that the system is controlled to keep its condition close to a minimum of the temperature and/or pressure of output from a boiler of the system expressed as a function of the flowrate of water supplied to the boiler.

REFERENCES:
patent: 1824969 (1931-09-01), Veenschuten
patent: 4242989 (1981-01-01), Chamberlain
patent: 4404930 (1983-09-01), Chen
patent: 4541365 (1985-09-01), Jennings et al.

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