US445407A - Feed-water purifier - Google Patents

Description

(No'Moael.)

J. J. HOPPES. FEED WATER PUEIFIER.

No. 445,407.V Patented Jan. 27, 1891.-

UNITED STATns PATENT 'trice JOHN J. HOPPES, OF SPRINGFIELD, OI-IIO.

FEED-WATER PU RIFIER.

AS1:ECllIFllCl-XTION forming part of Letters Patent No. 445,407', dated January 27, 18191.

Original application led June 30, 1888, Serial No. 278,692. Divided and this application filed October 10, 1890. Seria-l No.

' 367,704- (No model.)

field, in the county of Clark and State of Ohio, have invented certain new. and useful Improvements in Feed-Tater Purifiers, of which the following is a specification.

My invention relates to improvements in feed-water purifiers for steam-boilers; and it particularly relates to that class of purifiers which are connected direct-ly to the steamboiler in the manner set forth in my pending application, Serial No. 278,692, iiled June 30, i888, this application being died as a division of the above-named application.

The object of my invent-ion is to provide means for carrying off air or gases that collect in the top of purifiers of this character' and at the same time provide means for operating the boiler feeder or pump. This I accomplish by connecting to the purifier a pipe leading to the boiler-feeder or other device requiring a steam-supply, and thus creating a circulation through the purifier by which any air or gases therein contained will be drawn off.

In the accompanying,` drawings, which form a part of this specification, Figure l is a perspective view of a feed-water-purifier mechanism embodying my invention. Fig'. 2 isa longitudinal sectional view, also in perspective, of a purifier, showing the ar angement of the connections thereto.

Like parts are indicated by similar' letters of reference throughout the several views.

In the said drawings, A represents a steamboiler of ordinary construction. I3 is a steamdrum attached thereto.

C is a purifier, which may be oi' any wellknown construction adapted to be connected directly to the boiler and supplied with steam therefrom.

e is the blow-off or discharge pipe leading from the purifier and provided with the usual stop-valves for discharging the heater for cleaning or other purposes.

The puriiicr O is preferably connecteddirectly to the steam-drum B by apipe d. The feed-water enters through a pipeb and passing over a series of pans or shelves, as the case may be, of the purifier is discharged into the boilerbelow the water-linethereof through a pipe-connection c. Since the pressure in the purifier O is substantially the same as thatin the boiler A, means must be provided for forcing' the feed-water through the supply-pipe b into said purifier. This is preferably accomplished by an ordinary steam-pump boilerfeeder D in the ordinary manner.

In purifiers of this character connected directly to the steam-boiler there is a iiow of steam from the boiler to the purifier caused by the condensation of the steam therein owing tc the supply of feed-water to said purifier.

The feed-water for steam-boilers contains in many cases large quantities of foreign matter, which when heated gives oft" carbonicacid Agas, hydrochloric acid gas, muriatic fumes, or other gases. Inasmuch as there is a flow of steam from the boiler to the purifier these gases collect in the purifier, and if not removed fill the purifier to such an extent as'to materially interfere with the purifying effect of the steam therein. To overcome this difficulty I provide an additional connection to the purifier C, which leads direct to the boiler-feeder or other steam-using device, which thus continually drives or carries off the gases, air, or steam from the said y purier, crea-ting a circulation therein, which keeps the same at all'times full of live steam adapted to act upon the feed-water therein. In Fig. l the preferable method of' forming this connection is shown. It consists in connccting,` the supply-pipe (I, which furnishes steam to the pump or boiler-feeder D, to the purifier C through a branch pipe d, supplied with a T-connection d2, which is also connected by a pipe d3 to the boiler-supply, the pipes d3 and' d', respectively, being` provided with stop-valves (Z5 and di, by which the steamsupply for the feed-pump may be drawn either from the boiler or from the purifier, as desired, or partly from both. By this arrangement if the purifier in any event is cut off for any reason the boiler-feeder may rcceive the steam-supply direct from the boiler. It is evident that the same result may be accomplished by running the pipe d from the IOO pu ritier to any other steam-using device beside the boiler-feeder D which requires a steam-supply and will cause a circulation through the purifier, which will carry off the gases therein contained and keep the same supplied with live steam direct from the boiler through the main boiler-connection u.. I preferably make the circulating connection with the boiler-feeder, since the supply ot feedwater for the purifier is dependent upon the said boiler-feeder, and as the `gases collected in the purifier come from the water supplied by said boiler-feeder, the action of the pump which supplies the water containing the said `eases will also furnish the means for removing said gases.

It should be also stated that when a boilerfeeder is used for supplying,` the boilers and the circulating" connection is made thereto from the purifier the usual direct connection from said boiler-feeder to the boilers is employed, as indicated in dotted lines in the drawings, the discharge-.pipe from said boilerfeeder beings,` provided with suitable valves, so that said pump may be caused to discharge into the purifier or into the boilers direct in awell-known manner.

Having thus described claim-- l. The conibination, with a feed-water purifier connected directly to a steam-boiler, of

my invention, T

a separate steam-connection leading fromr 2. The combination, with. a feed-water puriier connected directly to a steam-boiler, of a boiler-feeder adapted to supply said purifier, and a steam-connection from said boilerfeeder to said purifier, said 'steam-connection being provided with a branch to the steamboiler and stop -valves in ,the respective branches of the said steam-connection, whereby the steam-supply from the boiler or purifier may be cut off, as desired, substantially as specified.

In testimony whereof I have hereunto set my hand this Sth day of October, A. D. 1890.

JOI-IN J. llOPPES. Witnesses:

PAUL A. STALEY, CHAs. I. WELCH.

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