District Heating: A Brief Exposition of the Development of District Heating and Its Position Among Public UtilitiesHeating and ventilating magazine Company, 1915 - 290 páginas |
Outras edições - Ver tudo
District Heating: A Brief Exposition of the Development of District Heating ... S. Morgan Bushnell Visualização integral - 1915 |
District Heating: A Brief Exposition of the Development of District Heating ... S Morgan Bushnell Pré-visualização indisponível - 2018 |
Palavras e frases frequentes
0.50 per thousand apparatus average Babcock & Wilcox basement British Thermal Units cent central station central-station service charge Chicago coal coil condensation meter Condensation per month connected Consumer agrees Consumer's contract Contractors cost customers devices discount district heating economy efficiency Electric load curves elevator engineers equipped estimate exhaust steam flow foot of radiation formula furnace furnish heating companies heating plants heating season heating service heating system horse-power hot water hot-water systems installed isolated plant K.W. hours light and power LIVE STEAM loss manometer ment mercury method month Condensation necessary operating orifice pany Pitot-tube premises pressure pumps shows space sq.ft square foot square inch Steam and Electric steam consumption steam heating steam mains steam meter steam requirements steam trap steam-generating plant stoker sumer surface temperature thousand pounds 0.50 tion trap tube valve various ventilation water-tube boilers
Passagens conhecidas
Página 38 - Therefore, for and in consideration of the premises and of the mutual covenants and agreements hereinafter contained...
Página 176 - NOW, THEREFORE, in consideration of the mutual covenants and agreements herein contained, the parties hereto agree as follows: 1.
Página 41 - IN WITNESS WHEREOF, the parties hereto have set their hands and seals the day and year first above written.
Página 45 - For and in consideration of the mutual covenants and agreements hereinafter contained, the parties hereto agree with each other as follows : 1. The...
Página 34 - Any room or space having an opening which may communicate with the rooms or space to be heated, must be included in the measurement for space heated, whether radiation be installed or not in such room or space. Second. The foregoing rule is for ideal conditions, requiring the minimum amount of heat for given cubic contents.
Página 177 - Ibs. avoirdupois of coal delivered and accepted in accordance with all the terms of this contract at the following contract rate per ton for coal of each respective contract grade, at which rates the company will deliver the following respective numbers of British thermal units for...
Página 177 - Guaranty. $ 1... $ subtract the product so found from the number of British thermal units per pound of dry coal, multiply the remainder by 2000, and divide this product by the contract rate per ton (expressed in cents) plus one-half of the ash percentage (expressed as cents). III. It is provided that the consumer may purchase for consumption at said premises coal other than herein contracted for, for test purposes, it being understood that the total of such coal so purchased shall not exceed 5 per...
Página 178 - ... per cent more moisture and as low as 500 fewer British thermal units per pound dry than specified above for contract grades. V. Should any coal delivered hereunder contain more than the per cent of ash or moisture or fewer than the number of British thermal units per pound dry allowed under Paragraph IV hereof, the consumer may, at its option, either accept or reject same. VI. All coal accepted hereunder shall be paid for monthly at a price per ton determined by taking the average of the delivered...
Página 178 - British thermal units for 1 cent being in each case determined as follows : Multiply the number of British thermal units per pound of dry coal by the per cent of moisture (expressed in decimals), subtract the product so found from the number of British thermal units per pound of dry coal, multiply the remainder by 2,000, and divide this product by the contract rate per ton (expressed in cents) plus one-half of the ash percentage (expressed as cents).
Página 176 - Louis, and other cities : I. The company agrees to furnish and deliver to the consumer at such times and in such quantities as ordered by the consumer for consumption at said premises during the term hereof, at the consumer's option, either or all of the kinds of coal described below : said coals to average the following assays : Coal of...