The Oil Miller Volume 10-12

The Oil Miller Volume 10-12

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1919 edition. Excerpt: ...fill the pores in the brick, as all brick are more or less porous and as there is a partial vacuum in the furnace, air will filter through the brick walls into the furnace and combu stion chambers, and as already pointed out, this means waste of fuel After the entire setting has been made tight it will be found that the damper can be closed considerably on each boiler, thereby reducing the intensity of the draft, since the total weight of the combined air and gases passing to the stack will have been materially reduced and less draft will be required., A word of caution should be given regarding the method of stopping up setting cracks, do not attempt to plaster these openings and cracks over with mortar as mortar will not stay in place, the better plan is to caulk the opening full of rope asbestos, then finish with asbestos cement mixed to the consistency of putty with warm water, or better still, if the entire surface of the settings are coated with some one of the prepared boiler setting plastic cements, which can be purchased on the market, a permanent job will result and the settings will remain air tight for years. Where two or more boilers are set in battery, it usually develops that cracks occur between the division wallls of adjacent boilers, permitting air to pass down from the top of setting through openings around vertical columns supporting the boilers, these columns where entirely incased in the boiler walls are often great offenders in the matter of admitting excess air to the furnace and combustion chamber and should be frequently examined. As check on what the furnace is doing, each boiler room should be equipped with a flue gas analysis instrument for analyzing the flue gases at. stated intervals. These instruments are not...show more

Product details

  • Paperback | 132 pages
  • 189 x 246 x 7mm | 249g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236640101
  • 9781236640109