Using the Steam Property Calculator, properties are determined using Steam Pressure and the selected second parameter (Temperature, Specific Enthalpy, Specific Entropy, or Quality). Energy from motors (pumps, fans, etc.) 0000012346 00000 n 0000001875 00000 n 0000001684 00000 n 0000006714 00000 n 0000002683 00000 n MLbs. 0000013536 00000 n It is the total heat in steam above 32°F. @^w)���j(��������4��?��,}C�˼�''��֡)�e�@�^���dHT@a�Stͪ�y�n�.d��:��}w$}���\Zif��A;���x�o׈YHy��V#��* Wo�h;��������9vo �m�g#�4�tLj�y�b����@�1=L�Q� endstream endobj 182 0 obj 344 endobj 150 0 obj << /Type /Page /Parent 136 0 R /Resources 151 0 R /Contents [ 158 0 R 161 0 R 163 0 R 167 0 R 170 0 R 173 0 R 175 0 R 177 0 R ] /CropBox [ 81 207 693 999 ] /MediaBox [ 0 0 792 1224 ] /Rotate 0 /Thumb 121 0 R >> endobj 151 0 obj << /ProcSet [ /PDF /Text ] /Font << /F3 156 0 R /F5 152 0 R /F7 153 0 R /F8 159 0 R /F10 165 0 R /F11 171 0 R /F12 168 0 R >> /ExtGState << /GS1 180 0 R /GS2 178 0 R /GS3 179 0 R >> >> endobj 152 0 obj << /Type /Font /Subtype /Type1 /Name /F9 /Encoding 155 0 R /BaseFont /Helvetica-Bold >> endobj 153 0 obj << /Type /Font /Subtype /Type1 /Name /F11 /FirstChar 32 /LastChar 255 /Widths [ 250 333 333 500 500 833 667 250 333 333 500 500 333 333 333 278 500 500 500 500 500 500 500 500 500 500 278 278 500 500 500 500 833 556 556 556 611 500 500 611 611 278 444 556 500 778 611 611 556 611 611 556 500 611 556 833 556 556 500 333 250 333 500 500 333 500 500 444 500 500 278 500 500 278 278 444 278 778 500 500 500 500 333 444 278 500 444 667 444 444 389 274 250 274 500 250 556 556 556 500 611 611 611 500 500 500 500 500 500 444 500 500 500 500 278 278 278 278 500 500 500 500 500 500 500 500 500 500 500 400 500 500 500 420 550 500 830 830 860 333 333 0 778 611 0 500 0 0 500 500 0 0 0 0 0 300 300 0 722 500 500 333 500 0 500 0 0 500 500 1000 0 556 556 611 833 722 500 1000 500 500 278 278 500 0 444 556 167 500 278 278 500 500 500 333 278 500 1111 556 500 556 500 500 278 278 278 278 611 611 0 611 611 611 611 278 333 333 333 333 333 333 333 333 333 333 ] /Encoding 155 0 R /BaseFont /Helvetica-Condensed-Bold /FontDescriptor 154 0 R >> endobj 154 0 obj << /Type /FontDescriptor /Ascent 750 /CapHeight 750 /Descent -189 /Flags 262176 /FontBBox [ -169 -250 1091 991 ] /FontName /Helvetica-Condensed-Bold /ItalicAngle 0 /StemV 130 /XHeight 564 >> endobj 155 0 obj << /Type /Encoding /Differences [ 39 /quotesingle 96 /grave 128 /Adieresis /Aring /Ccedilla /Eacute /Ntilde /Odieresis /Udieresis /aacute /agrave /acircumflex /adieresis /atilde /aring /ccedilla /eacute /egrave /ecircumflex /edieresis /iacute /igrave /icircumflex /idieresis /ntilde /oacute /ograve /ocircumflex /odieresis /otilde /uacute /ugrave /ucircumflex /udieresis /dagger /degree 164 /section /bullet /paragraph /germandbls /registered /copyright /trademark /acute /dieresis /notequal /AE /Oslash /infinity /plusminus /lessequal /greaterequal /yen /mu /partialdiff /summation /product /pi /integral /ordfeminine /ordmasculine /Omega /ae /oslash /questiondown /exclamdown /logicalnot /radical /florin /approxequal /Delta /guillemotleft /guillemotright /ellipsis /blank /Agrave /Atilde /Otilde /OE /oe /endash /emdash /quotedblleft /quotedblright /quoteleft /quoteright /divide /lozenge /ydieresis /Ydieresis /fraction /currency /guilsinglleft /guilsinglright /fi /fl /daggerdbl /periodcentered /quotesinglbase /quotedblbase /perthousand /Acircumflex /Ecircumflex /Aacute /Edieresis /Egrave /Iacute /Icircumflex /Idieresis /Igrave /Oacute /Ocircumflex /apple /Ograve /Uacute /Ucircumflex /Ugrave 246 /circumflex /tilde /macron /breve /dotaccent /ring /cedilla /hungarumlaut /ogonek /caron ] >> endobj 156 0 obj << /Type /Font /Subtype /Type1 /Name /F7 /Encoding 155 0 R /BaseFont /Helvetica >> endobj 157 0 obj 787 endobj 158 0 obj << /Filter /FlateDecode /Length 157 0 R >> stream are not considered. 0000006736 00000 n Boiler Energy = Steam Energy Flow + Blowdown Energy Flow - Feedwater Energy Flow Wood. In the application section of this Handbook, there are several references to the use of the steam table. 0000012368 00000 n 0000009809 00000 n If your boiler supplies 400 pounds of steam per hour, for example, you would multiply 400 pounds by 1,194 to arrive at a figure of 477,600 BTUs. 0000014276 00000 n The Specific Enthalpy is then multiplied by the Mass Flow to get the Energy Flow: The feedwater flow rate can be calculated from steam mass flow and blowdown rate: Using the Steam Property Calculator, properties are determined using Deaerator Pressure and Quality = 0 (Saturated Liquid). Blowdown Rate is the % of incoming feedwater mass flow rate that leaves the boiler as a saturated liquid at boiler pressure. �z�Ȭ��[*����2^!���2�� ��O�gU �0�c�����w���7˿�2�v�hD^��.wZk�\� w=.���V�nqKc��� Wood. %PDF-1.3 %���� Contacts | Web Site Policies The Specific Enthalpy is then multiplied by the Mass Flow to get the Energy Flow: Deaerator provides feedwater near the boiling temperature for the deaerator's set operating pressure. 180 = 970 = 1150 0000004294 00000 n 0000001362 00000 n 0000002891 00000 n 0000001731 00000 n 0000003003 00000 n 0000001923 00000 n Lbs. Headquarters 1230 Higuera St. San Luis Obispo, CA 93401 805 547 2050 1 Mlb = 1000 lb of steam =. 0000001503 00000 n 0000012949 00000 n Steam, Boiler, and Blowdown Pressure are the same. 16783.2 [Steam Property Calculator] => Specific Enthalpy = 515.5 btu/lbm; Blowdown Energy Flow = Specific Enthalpy * Mass Flow [ Blowdown Energy Flow = 3,206 = 515.5 btu/lbm * 5.9 klb/hr] Step 4: Determine Boiler Energy. For the low-pressure steam typically used in heating systems, that ratio is 1,194 BTUs for every pound of steam the system provides. 1150 BTUs of 212F Steam. 0000001590 00000 n 0000011685 00000 n (million pounds) 1003342. Does not include any evaluation of any complex boiler configurations or fluctuations in operation. (Saturated Liquid). Boiler and fuel types are not considered. �*}t+I����~���f�IT`'؀��o�� ]ȓH��@������K�_��lYHD2��wP{=ٶ����!D�;]��J�/,2�����-Z� ���~�`\�F's����א��Ԑd��#�o�� y�h�����P�P��Ǐn? 0000006628 00000 n 0000002445 00000 n Specific Volume of Liquid (Column 7). steam condensing rate is known. 0000012927 00000 n Steam. 0000005761 00000 n Using values from the tables, calculate the fuel cost of producing steam. 138 0 obj << /Linearized 1 /O 150 /H [ 1971 474 ] /L 438541 /E 14527 /N 6 /T 435662 >> endobj xref 138 45 0000000016 00000 n