US218397A - Improvement in vertical steam-boilers - Google Patents

Improvement in vertical steam-boilers Download PDF

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US218397A
US218397A US218397DA US218397A US 218397 A US218397 A US 218397A US 218397D A US218397D A US 218397DA US 218397 A US218397 A US 218397A
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boilers
tubes
improvement
vertical steam
nozzles
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22BMETHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B13/00Steam boilers of fire-box type, i.e. the combustion of fuel being performed in a chamber or fire-box with subsequent flue(s) or fire tube(s), both chamber or fire-box and flues or fire tubes being built-in in the boiler body
    • F22B13/02Steam boilers of fire-box type, i.e. the combustion of fuel being performed in a chamber or fire-box with subsequent flue(s) or fire tube(s), both chamber or fire-box and flues or fire tubes being built-in in the boiler body mounted in fixed position with the boiler body disposed upright
    • F22B13/023Steam boilers of fire-box type, i.e. the combustion of fuel being performed in a chamber or fire-box with subsequent flue(s) or fire tube(s), both chamber or fire-box and flues or fire tubes being built-in in the boiler body mounted in fixed position with the boiler body disposed upright with auxiliary water tubes inside the fire-box, e.g. vertical tubes
    • F22B13/026Steam boilers of fire-box type, i.e. the combustion of fuel being performed in a chamber or fire-box with subsequent flue(s) or fire tube(s), both chamber or fire-box and flues or fire tubes being built-in in the boiler body mounted in fixed position with the boiler body disposed upright with auxiliary water tubes inside the fire-box, e.g. vertical tubes the tubes being in substantially horizontal arrangement

Description

UNITED STATES PATENT OFFICE.
VAUGHAN PENDRED, OF LONDON, ENGLAND, ASSIGNOR TO GEORGE H. CHRISTY, OF PITTSBURG, PENNSYLVANIA.
IMPROVEMENT IN VERTICAL STEAM-BOILERS.
Specification forming part of Letters Patent No. 2 [8,397, dated August .12, 1879; application filed May 17, 1879 patented in England, March 14, 1871.
To all whom it may concern:
Be it known that I, VAUGHAN PENDRED, of London, county of Surrey, England, have invented or discovered a new and useful Improvement in Vertical Steam-Boilers; and I do hereby declare the following to be a full, clear, concise, and exact description thereof, reference being bad to the accompanying drawings, making a part of this specification, in which-like letters indicating like parts- Figure l is a sectional elevation of a vertical boiler embodying my invention. Fig. 2 is a horizontal cross-section in the plane of the line w m, Fig. 1..
My invention is applicable to boilers of various styles and shapes; but it is most conveniently employed in upright cylindrical boilers, or in boilers having a form approximating thereto.
The outer shell of such a boiler is represented at a. The inner shell, I), is, by preference, square, or nearly so, in horizontal crosssection, with rounded corners, as shown. The space between the shells is the water and steam space, and the heat or flame and products of combustion pass along the spacejnclosed by the inner shell.
The present invention consists in the construction and mode of operation of heating and circulating tubes in boilers having the general features referred to, substantially as hereinafter described and claimed. 1
Across from one wall to the other of the inner shell, b, I carry aseries of water-heating tubes, f, in any desired number and order of arrangement, the ends of the tubes making tight joints with the shell.
In one mode of embodying the invention I arrange curved, bent, or angular nozzles g 9, Figs. 1 and 2, on or in the ends of these tubes, those 9 at one end being arranged with their 0 en months in a downward direction, and
e nozzles g at the opposite end being arranged With their open months in an upward direction, whereby under the effects of the heat a circulation of the water will be established and kept up by an inflow at the nozzles g and an outflow at the nozzles 9. These tubes fare arranged, preferably, in layers, as shown, the tubes ofone layer being side by side, at short distances apart, and those of the next layer being similarly arranged, but extending in a direction crosswise or transverse to the tubes of the first layer; but,it' so desired, all the tubes may extend in the same direction, each tube ofonelayer then coming above orbelow the space between two tubes of the next layer below or above. Nor is it essential that all the nozzles on one sideof the inner shell, I), should open in the same direction,as some may open up and some down, though the nozzles of the opposite ends of each tube should open in opposite directions-one up and the opposite one down.
The nozzles may be single or double, or other like modifications of structure may be introduced, which accomplish substantially the same result in substantially the same way.
The mode of making and putting together these parts may be varied at pleasure. Such a system of heating and circulation tubes may be arranged over any suitable fire-ch amber, B, or in the line of the flow or passage of heat or flame and products of combustion from any suitable heat-producing apparatus to any suitable chimney, stack, or conduit, as h.
In such a structure the water is caused to flow in somewhat of a zigzag or circuitous direction, and all parts of the body of water, or nearly all, will be caused to pass through the tubes, so as to be raised uniformly and quickly to the desired high temperature; also, the heat, flame, and products of combustion passing through the spaces bet ween the tubes f will be so broken up or subdivided as to exert, practically, the maximum of heating effect on the pipes and the water passing through them.
While, as already stated, the parts described may be made and put together in any desired way, it will be found convenient to make the inner shell of a single sheet, and flange its lower end, as at e, as a means of securing it to the bottom plate; also, to get at the inside for cleaning, flanged joints k l, secured by removable bolts, may be made in the shell a, in which case like detachable joints should he made Where the snmke-pipe h passes through the top or cap of the boiler.
I claim herein as my iuveuti0n In conihiuatinn with the hem-conduit line of a steanrgemTutor, a sen-ion oi water heating and circulating; tubes, f, arranged horizontally across such flue, :uul upwardly and downwm-dly opening or inclined nozzles at the ends of the tubes, substantially as set forth.
In teslinmuy whereof I have hereunto set my hand.
VAUGHAN PENDRED. Witnesses:
M. E. WELDQN, WM. HAMILTON HART.
US218397D Improvement in vertical steam-boilers Expired - Lifetime US218397A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050112307A1 (en) * 2003-10-22 2005-05-26 Kerr George S. Composition in combination with an extrusion blow molded thermoplastic package

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050112307A1 (en) * 2003-10-22 2005-05-26 Kerr George S. Composition in combination with an extrusion blow molded thermoplastic package

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