FT-GC-ZY004施工单位管理作业指引

催化裂化中级班培训物料平衡和热平衡物料平衡•计量计算•物料平衡计算•元素平衡氢平衡硫平衡氮平衡金属平衡热平衡•热平衡计算•影响催化裂化热平衡诸因素的探讨物料计量计算•油品计量•液化气计量•干气计量•焦炭计量计量计算方法•已知累积量•已知瞬时流量油品计量•GB/T1885-1998石油计量表•压差式流量计校正•高温下油品密度计算油罐检尺/输油体积计量适用于不需要校正的计量•国家标准GB/T1884石油和液体石油产品密度测定法（密度计法）；•国家标准GB/T1885—1998石油计量表；等效采用国际标准ISO91—2：1991GB/T1885-1998石油计量表eqvISO91-2:1991•本标准规定了将在非标准温度下获得的玻璃石油密度计读数（视密度）换算为标准温度下密度（标准密度）和体积修正系数的方法。•本标准适用于原油、润滑油和其他液体石油产品。•本标准所规定的标准温度为20℃。•本标准编制石油计量表所用油品的热膨胀数据与ISO91-1一致。石油计量表的组成•标准密度表表59A表59B表59D•体积修正系数表表60A表60B表60D•其他石油计量表表E1表E2表E3表E41.1.4编表常数密度计玻璃膨胀系数为25×10－6℃－1。热膨胀系数与ISO91－2等同。1.1.5编表范围密度，kg/m3653~778778~824824~1075温度，℃-18~95-18~125-18~150产品计量产品按空气中的质量计算数量。当在非标准温度下使用石油密度计测得产品的视密度时，应该用表59B查取该产品的标准密度（ρ20）。在计算产品数量时，产品在计量温度下的体积，通常要换算成标准体积，产品的标准体积（V20）用计量温度下的体积（Vt）乘以计量温度下的体积修正到标准体积的体积修正系数（VCF20）获得，见公式（1），而体积修正系数是用标准密度和计量温度查表60B获得的。V20=Vt×VCF20…………………（1）产品计量•计算产品在空气中的质量（商业质量）时，应进行空气浮力修正，将标准密度（kg/m3）减去空气浮力修正值1.1kg/m3，再乘以标准体积，就得到产品质量（m），见公式。•m=V20×（ρ20－1.1）产品数量计算举例•某一产品测得输油温度为40℃，输油体积或油罐体积为1240.62m3，用石油密度计测得该产品40℃下的视密度为753.0kg/m3,计算输油质量。•由产品在试验温度40℃下的视密度753.0kg/m3，查表59B，得ρ20=770.0kg/m3表59B产品标准密度表视密度温度，℃753.0755.0757.0759.0761.0763.0765.0767.0769.0771.020℃密度38.25768.7770.4772.2773.9775.7777.4779.2780.9782.7784.538.50768.8770.6772.3774.1775.9777.6779.4781.1782.9784.738.75769.0770.3772.5774.3776.0777.8779.5781.3783.0784.939.00769.2771.0772.7774.5776.2778.0779.7781.4783.2785.139.25769.4771.1772.9774.6776.4778.1779.9781.6783.4785.339.50769.6771.3773.1774.8776.6778.3780.0781.8783.5785.539.75769.8771.5773.3775.0776.7778.5780.2781.9783.7785.640.00770.0771.7773.4775.2776.9778.6780.4782.1783.8785.840.25770.2771.9773.6775.3777.1778.8780.5782.3784.0786.040.50770.3772.1773.8775.5777.2779.0780.7782.4784.2786.240.75770.5772.2774.0775.7777.4779.1780.9782.6784.4786.4求输油质量•由标准密度770.0kg/m3和输油温度40℃查表60B得VCF20=0.9775V20=1240.62*0.9775≈1212.706m3输油质量＝1212.706*（770.0-1.1）≈932.45t表60B产品体积修正系数表20℃密度温度，℃770.0772.0774.0776.0778.0780.0782.0784.0786.0788.020℃体积修正系数38.750.97890.97940.97980.98020.98060.98100.98140.98180.98190.982039.000.97860.97910.97950.97990.98040.98080.98120.98160.98170.981839.250.97840.97880.97920.97970.98010.98050.98090.98140.98140.981539.500.97810.97850.97900.97940.97980.98030.98070.98110.98120.981339.750.97780.97820.97870.97910.97960.98000.98040.98090.98090.981040.000.97750.97800.97840.97890.97930.97980.98020.98060.98070.980840.250.97720.97770.97820.97860.97910.97950.97990.98040.98040.980540.500.97700.97740.97790.97830.97880.97930.97970.98010.98020.980340.750.97670.97710.97760.97810.97850.97900.97950.97990.98000.9801流量计校正•压差式流量计计量公式体积流量计校正重量流量计校正液体体积流量实PKV液体质量流量PKG实体积流量计校正表读数实设实VV质量流量计校正表读数设实实GG操作条件下液体密度的计算•GB/T1885-1998石油计量表150C•温度-密度图•温度-密度关系式50C温度-密度关系图温度-密度关系式50C）（202044trddt液化气计量•球罐计量/累积流量计•不需校正的质量流量计•差压式流量计计量液化气密度•直接测定•计算液化气密度SH/T0221-92中华人民共和国石油化工行业标准液化石油气密度或相对密度测定法（压力密度计法）SH/T0230-92中华人民共和国石油化工行业标准液化石油气组成测定法（色谱法）液化石油气20℃密度计算）—（———————211niimimx液化气温度下液化石油气密度的求取•当液化石油气温度不是20℃时，应使用SH/T0221—92中的附录B中的表B2，利用液化石油气20℃密度ρ20和液化气温度（-25到50℃），求出液化气温度下液化石化油气密度ρt。表B2视密度换算为20℃密度表0.5000.5100.5200.5300.5400.5500.5600.57017.50.4960.5060.5160.5270.5370.5470.5570.56718.00.4970.5070.5170.5270.5370.5470.5580.56818.50.4980.5080.5180.5280.5380.5480.5580.56819.00.4980.5090.5190.5290.5390.5490.5590.56919.50.4990.5090.5190.5290.5390.5490.5590.56920.00.5000.5100.5200.5300.5400.5500.5600.57020.50.5010.5110.5210.5310.5410.5510.5610.57121.00.5020.5110.5210.5310.5410.5510.5610.57121.50.5020.5120.5220.5320.5420.5520.5620.572液化石化油气质量G的求取G=Vt·ρt差压式流量计计量液化气•用差压式流量计计量液化气时，其体积或质量校正公式同油品流量计液化气计量计算例题体积校正t,C28d设,kg/m3565m3/h251校正后体积，m3/h254.3997W,t/h139.9198V%MiMiVim%dm/dt/hC2H6C2H40.22286.160.1195780.33990.3518030.167313C3H811444849.3953950.500518.7720213.14602C3H630.02421260.8424.475390.513547.6638634.24593iC4H1016.458951.218.464670.557233.1383125.83573nC4H103.0358175.743.411460.57885.8940224.773309iC4H817.0556954.818.534550.594231.1924525.93351反C4H810.5956593.0411.512080.604219.0534216.10768顺C4H87.25564067.8812610.621312.6851111.02745iC5H124.4472319.686.2056190.619610.015538.6828931005765151.461004.9292178.7665139.9198sum5151.46d20559.3889139.9198d28550干气计量•混合干气和净干气分子量计算•混合干气体积流量校正•混合干气质量流量计算•净干气质量流量计算混合干气体积流量校正表读数实设实设实设实VTPTPV干气计量方法干气计算例题某干气表的设计条件为：压力0.7MPa(表)，40℃，标准状态下密度1.036Kg/m3。现实际条件为：压力0.6MPa(表)，56℃，干气表读数为5500m3/h。干气例题计算结果组分Vi（%）MiMiViMiVi/∑MiVi质量流量（m%）（Kg/h）H224.024824101N2+O213.1929382.51——CH411.8916190.249.6404C2H66.6530199.510.0422C2H47.1928201.3210.1425C3H83.2044140.87.1299C3H616.3142685.0234.61457i-C4H102.1958127.026.4270n-C4H100.315817.980.9381、C4H8i-C4H81.335674.483.7156反-2-C4H80.725640.322.084顺-2-C4H80.435624.081.251i-C5H120.537238.161.980H2S5.8734199.5810.1425CO23.7344164.12----CO2.462868.88----合计100.002602.01100.04212焦炭计量•主风体积流量校正•焦炭质量流量计算主风体积流量校正表读数实设设实QTPTPVA焦炭质量流量计算1266.14.221222AVNCOCOCw1266.15.010014.2242AVNCOHw）（11266.110022）（NCOVVAF1266.110022AFVNCOV）（焦炭计算例题•已知干烟气组成为CO2=9.6%，CO=10%，O2=0%；湿空气流量10000Nm3/h；空气分子湿度0.03焦炭计算结果hKgCw/100103.01100000106.9100266.1106.94.2212，（hKgHw/11603.0110000]0