US984880A - Water-tube boiler. - Google Patents

Description

J. E..BBLL.

WATER TUBE BOILER. AexiLIUATIoN riLnnooT. e, 190e. v 984,880, Patented Feb. 21, 1911.

2 sums-SHEET 1.

.To afLL 'whom 'ii may concern.'

mi@ sul @MZQE JOHN E. BELL, OF NEW YORK, N. Y., ASSIGNOB. T0 THE IBA'BCOGK @t WILCX CGMPANY, OF NEVJYORK, N. Y., A CRPORATIQN 0F NEW JERSEY.

warsnrunn norms.

Specification of Letters Patent.

Patented Feb. 2i, 1911..

lApplication led ctober 6, w06. Serial No. 337,'7/03.

Be it known that I, JOHNE. BELL, of New York, New York county, New York, have invented a new and useful Improvement in VVater-'lube Boilers, of which the following is. a full, clear, and exact description, referbetween the main banks; also to provide for good circulation o'f the water throughout the various tubes. I

In the drawings, 2 and 3 represent the upper transverse steam and water drums con neeted'by banks of curved tubes 4@ and 5 with a lower tansverse mud drurn 6. Vihe 'furnace is indicated at 7 and the gases are cli-- reeted in up vvand down passes by a central battle 8 which I have shown as located' cen-I trally between the main banks 4e and 5. The gases rise among the tubes ot the iront bank, cross through the tubes above the battle, and flow down through the tubes inthe rear bank to the outlet flue 9. L

ln addition to the hea-ting surface of the main banks, i provide two rows of tubes l0 and ll which extend along the front and the rear faces of the bathe and are connected at their upper'` ends to the water space ol the steam and water drums and at their lower ends tothe niud drum. In order to defleet the gases from these baliie tubes l0 and the rear upper drum 3.l also feed 1the water into this drum through the pipe 18.

With the construction above described, the weten will How up the bank of tubes et and down 'the tubes l0; it will also tiow up the bankffof front tubes 5 and down the tubes 11. 1n addition to the above circulations, l preferably employ direct water circulators 19 which extend between the water space of the steam and water drums. This causes the circulation to be up the front bank of tubes, back through these circulatoire 19 into the rear upper drum and thence down the rear bank to the mud drum. These circulators Y may be used or .not as desired.

rlhe advantages of my invention result from the compact form and arrangement of the heating surface; from the small number ot' drums used and from the good circulation atorded.

Straight or curved tubes may be used for any of the tubes shown. Boxes or headers may be employed instead of drum shaped receptacles and other changes may be made without departing from my invention.

l. ln a water tube boiler, a pair of spaced steam nd water drums, a mud drum below the upper dru1ns, a baiie rising from the mud drum, symmetrically arranged banks of tubes upon opposite sides of the baflie and communicating between vthe mud drum and the respective upper drums, and. an additional row oi tubes between each bank ,andv the baidieand connecting the ruud drum and the adjacent steam and water drum, substantiaily as described. .i

in a water tube boiler, a pair of spaced steam and water drums, a mud drum below and in line with the interval between the upper drums, a battle rising from the mud drinn, symmetrically arranged banks of-4 tubes upon opposite sides ot the bathe and communicating between the ruud drum and the respective upper drums, and an additional row ot tubes between each bank 'and the battle and connecting the rnud drum and the adjacent steam and water drum, substantially as described.

3. In water tube boiler, a setting, a pair of upper spaced transverse steam and water drums, a lower transverse mud drum in alineinent with the interval between the steam and water druins, a battle rising from the mud drum and disposed in a pla-ne substantially midway between the steam and one f the steam and water drums and to the Water drums, a symmertically arranged bank inud drum, substantially as described.

of upright tubes at eachside of the baHie 5. A unit for a water tube boiler made v with their upper ends connected to the adup of a pair of steam and Water drums. a 5 jacent Steam and water drum, and their mud drum,a bank of upright symmetrically- 4 lower ends inclined inwardly and connected arranged tubes connecting the mud drum tothe mud drum at the adjacent side of the and one of the steam and water drums, an-

baie, an added row ofupright tubes against other bank of upright symmetrically-arand at each side of the bafe with their lower ranged tubes connecting the mud drum with l10 ends communicating with the top of the mud the other steam and water drum, there being drum and thelr upper ends inclined Outa space between the two banks of tubes, an -wardly and connected to the adjacent steam upright battle dividing the space into front and water drum, substantially horizontal and rear passes, a row of added tubes in the battles extending from the upright baffle, and rear pass leading upwardly from the mud ili fire-box in direct communication with thc drum to the rear steam and water drum, and

ower end of one of the banks of tubes and another row of added tubes in the front pass tbe adjacent side of the mud drum, substanleading upwardly from the mud drum to the tially as described. i front steam and water drum, substantially 4. In a water tube boiler, the combination as described. y 20 with a pair of steam and water drunis,'a In testimony whereof, I have hdreunto set mud drum, and a symmetrically arranged my hand.

i bank of tubes connecting each steam and ,i

water drum with the mud drum, of a battle f j i JOHN L BELL' located between the banks of tubes, and an Witnesses: 2,5' added row of tubes at each side of the baie, G. K. WANNEMACHER,

each added row of tubes being connected to CHAS. B. KNUDsoN

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