US244556A - Heater and feeder - Google Patents

Description

(No Model.)

' T. GRANEY.

' HEATER AND FEEDER}. N0.'Z44, 556. Y, Patented July 19,1881.

UNITED. STATES PATENT OEEIcE.

THOMAS ORANEY, OF BAY CITY, MICHIGAN.

HEATER AND FEEDER.

SPECIFICATION formingpart of Letters Patent No. 244,556, dated July 19, 1881.

' Application filed April21, 1881. (No model.)

To all whom it may concern:

Be it known that I, THOMAS ORANEY,of the city and county'of Bay, and State of Michigan, have invented an Improvement in Heaters and Feeders for Steam Generators, of which the'following is a specification.

The nature of my invention relates to certain new and useful improvements for heating and I regulating the feed-water of steam-generators and it consists in the peculiar construction, arrangement, and operation of parts, as more fully hereinafter described. and claimed.

The figure in the drawing represents a side elevation, partly in section.

In the accompanying drawing, which forms a part of this specification, A represents a steam-generator,andB the mud pipe or drum,

each of the ordinary construction and operation. V

O is a feed-water heater and settler, in the bottom of which is a tight steam-chamber, I), connected with the generator at such point as will provide the hottest steam by means of the steam-pipe E. Hollow plugs, one or more, afford steam communication between the steamchamber D and the interior of the heater 0. These plugs to are provided with valves 1) upon the stems 0. The supply of water for the heater is fed into the top of the heater 0 by means upon the boiler is such as to overcome the pressure of the water upon the valves the latter will rise upon their stems and admit steam to the heater. As the water becomes hotter by this admission of steam its volume increases and forces the valves to seatth'emselves, thus cutting off the steam until its pressure will again overcome the water-pressure,when the valves will again admit the steam, and this rapidly-pulsating action of the valves will continue indefinitely. As the water thus heated constantly underpressureapproximates in temperature that of the water in the boiler the alkaline properties heretofore held in solution in the feed-water will be precipitated in a solid or crystallized form to the bottom of the heater, whence they may be drawn oil through the pipe and blow-off cock I, leaving the water free from impurities, or comparatively so, to pass to the boiler.

- What I claim as my invention is- 1. In combination with a steam-boiler, the heater 0, provided with a steam-chamber, D,

connected to the steam-space ot' the boiler,

said chamber being provided with hollow studs a and valves 11, leading into the heater, and pipes F H, leading respectively from said heater to the water-supply and to the muddrum of the boiler, substantially as and for the purpose specified.

2. The heater 0, steam-chamber D, waterchamber Gr, hollow studs and valves a b, steampipes E, water-pipes F H, and drum B, in combination with a steam-generator, substantially Witnesses H. S. SPRAGUE, E. SGULLY.

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