US1139156A - Spray-trough for cooling condensers. - Google Patents

Description

F. F. BENTLEY.

SPRAY TROUGHFOR COOLING CONDENSERS.

APPLICATION FILED MAR.9, I914.

1,139,156. Patented May 11, 1915.

THE NORRIS PETERS CO.. FHDTC-LITHO.. WASHINGTONv n. C.

STATES PATENT OFFIQE;

FRANK F. BENTLEY,

0F WARREN, OHIO.

SPRAY-THOUGH FOR COOLING CONDENSERS.

Specification of Letters Patent.

Patented May 11, 1915.

Troughs forCooling Condensers, of which 7 the following is a specification.

My invention relates to spray troughs adapted to cool a multiplicity of tubescontaining vapor of ammonia or steam, or other vapors or gases which it may be desirable to condense; and arranged in vertical series and connected at their ends to form condensing coils of pipes or tubes.

The object of my present invention is to improve that type of troughs by increasing their efficiency and providing means for spraying cold water on an entire series of condensing coils or pipes, and at the same time without losing any ofthe advantages of my original construction on which this is an improvement and which is disclosed and claimed in my prior Patent No. 930,926, dated Aug. 10, 1909, and entitled spray troughs.

With that and other objects in view my invention consists in the novel details of construction and combination of parts, more fully hereinafter disclosed and particularly pointed out in the claims.

Similar characters designate like parts throughout the several views, in which Figure 1 is a sectional view of part of a vertical series or" condenser tubes with the lower part broken away, and taken midway of two of the frames that support the tubes. Fig. 2 is a perspective View of portions of two of said tubes and of my deflector; and Fig. 3 is a perspective view of my improved troughin part broken away.

It is well known to those skilled in the art of using artificial ice making machines, or the like, that whether pipes are to be cooled for the purpose of condensing vaporized ammonia to a liquid form for reuse, or for condensing steam to water, economy of space and material demands that the tubes holding the vapor or steam be arranged one above the other in series, with their ends connectedso as to form a coil of tubes, and

in large plants as many as 36 parallel tubes,

or more are used, one above the other.

It is also well known that cold water dripping on the tops of said tubes and falling on down over the lower ones, quickly gets warm, and not only does not serve to effectually condense the vapor in the lower tubes but may even retard it. v

In Fig. l I have shown the upper ends of two slde supports 1, 1, which, held together by bolts 2, 2, and having curved grooves 3, 3 in their inner sides, at regular and prescribed intervals, to clasp the circumferences of tubes 4, 4, etc., form a frame which used with a plurality of like frames (not shown) positioned perpendicularly in a row along the lme of a series of tubes 4, 4, serve to hold the condensing tubes, which are serially united at their respective ends to form a, coil, in permanent, operating position.

In practice a hanger 6, economically made by forming a square composed of two bars 7, 7 and two tie bolts 8, 8, as illustrated, hangs suspended from the top of the topmost tube, 4, of the series. One bar, 7, of

said hanger, is prolonged upwardly and inwardly toward the center of the topof the top tube 4 and slightly above it and is then bent outwardly at an angle to correspond with one side of the spray trough 9, to which it is riveted and which it, together with other similar hangers located longitudinally along the top of and about the tube 4, sup ports: said spray trough 9 being the same as that described and claimed in my said prior patent.

The trough 9, closed at both ends (only one end shown) is kept full of cold water which rises therein to the height of the openings 10, whereupon it runs down the side, 11, of said trough and drips uniformly from serrations formed along its bottom edge, 12,

not shown but similar to those illustrated along the lower edge of plate 12 in Fig. 3, and fully described and shown in my said prior patent. l r

The cold water that drips from trough 9 will ordinarily sufliciently cool about three of the horizontal tubes 4, 4", etc., and in some instances one trough may serve to cool more tubes: but for convenience of illustration I have-shown trough, 9 as operative upon but two of the tubes, 4 and 4.

Assuming the water to have become tepid while passing over two of said tubes, Iprovide a series of deflectors, 14, which I locate at prescribed intervals between certain of the series of tubes 4, 4, etc., to receive the tepid water, keep it away from the'underlying tubes and deflect it on to the floor or into a receptacle provided for it at one side of the base of the coil.

The deflector 1 1 consists of a sloping plate of the length of the tubes 4, 4, which is preferably bent upward at its hig 161 edge and downward at its lower edge, as illustrated in Figs. 1 and 2.

'The water dripping off from the tube ,4 above the deflector 14:, passes off at one side of the tubes 4 ,.etc., located below it.

To support the deflectors in proper positions I provide sets .of hangers 15, 15, etc., made by bending a bar 16 into the form of a distorted U having one side longer than the other and its bottom sloping at an angle corresponding to the slant of the face of the deflector 14: near its middle, where the bar and deflector are riveted to each other.

The sides of the hanger 15 having been extended above the sides of the tube 4: their ends are united by bolts 17 which lie across the tops of the tubes le etc., on which they hold the deflectors suspended.

As many deflectors may be used and with as many tubes intervening between each pair as the temperature of the water and the economies of the condensing operation make most practicable.

The water from the upper spray troughs having been deflected from the successive lower tubes I provide additional sets of spray troughs of improved types, one below each of said deflectors, constructed and supported thus.

A. trough 18 is made of the same length as the tubes 4:, 1, by spreading the tops of two plates 19 and 20 and uniting their bottoms so as to make the trough V shaped for convenience and economy though it may be of any shape that will make it hold water. Both ends are'closed and holes 10 are punctured near the top of the plate 19, for the overflow of the water.

I prolong the united lower parts of the plates 19 and 20 and bend them inwardly at an angle to produce a sloping shelf, 21, and then bend them downwardly to form a vertical edge 22. The edge 22 can be serrated to eflect an even drip of water there-from on to the tubes below, but I find it cheaper to rivet a correspondingly bent piece of sheet metal 12, with a serrated lower edge, 12, to the edge .22, to accomplish that object.

To support the improved auxiliary troughs 18 I use a hanger 24, composed of two parallel, horizontal bolts 8-, 8", the upper one resting on the top of a tube 4;, said bolts binding two vertical bars 25 and 26 on opposite sides of tube a", bar 26 being prooverflows through the holes 10, passes down the plate 19, over the shelf 21; thence down. the serrated edge 12 and off from its points evenly on to the top of the tube 1 over which the lower edge of the trough has been positioned.

By forming the improved troughs as described; deflecting the tepid water after use;

providing a fresh supply of cold water to" each and all of the tubes in the series of condenser coils: and supporting the tubes,

the deflectors and the spray troughs .as above disclosed; and by using them with the top my patent above referred to, I am enabled to produce a condensing means as efiicient as the spray trough of my said patent and which is much more valuable in that it is one according to the principles set forth in I much more effective, coo-ls a much greater" number of tubes in the same space and time, and affords means for supporting both the tubes, troughs and deflectors that represent the minimum of cost and the maximum of speed and economy in assembling and disassembling to clean or repair the elements, which has to be done with a frequency that now causes great expense and loss of time and product.

What I claim is:

1. The combination with condenser tubes, of a spray trough having a bent and serrated extension of its bottom edge; supporting bars riveted to said trough and forming elemental parts of hangers capable of suspension upon said tubes, as shown and described.

2. The combination with condenser tubes mounted in vertical series and with spray troughs horizontally suspended above each series; of a sloping deflector plate under the lower tube of each series; and a hanger having a lower bar bent to correspond with the slope of said deflector and riveted thereto and a top bar capable of retaining said hanger and deflector suspended from the top of said lower tube, as shown and described.

' In testimony whereof I aflix mysignature in presence of two witnesses.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,

' Washington, D. 0."

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