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GB/T 10180-2017 English PDF

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GB/T 10180-2017: Thermal performance test code for industrial boilers
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GB/T 10180: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 10180-2017English1479 Add to Cart 10 days [Need to translate] Thermal performance test code for industrial boilers Valid GB/T 10180-2017
GB/T 10180-2003EnglishRFQ ASK 6 days [Need to translate] Thermal performance test code for industrial boilers Obsolete GB/T 10180-2003
GB 10180-1988EnglishRFQ ASK 9 days [Need to translate] Test code for industrial boiler Obsolete GB 10180-1988

PDF similar to GB/T 10180-2017


Standard similar to GB/T 10180-2017

GB/T 16507.1   GB/T 16507.2   GB/T 16507.3   GB/T 10184   GB/T 10184   

Basic data

Standard ID GB/T 10180-2017 (GB/T10180-2017)
Description (Translated English) Thermal performance test code for industrial boilers
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard J98
Classification of International Standard 27.060.30
Word Count Estimation 74,771
Date of Issue 2017-07-12
Date of Implementation 2018-02-01
Older Standard (superseded by this standard) GB/T 10180-2003
Quoted Standard GB/T 211; GB/T 212; GB/T 213; GB/T 214; GB/T 260; GB/T 384; GB/T 474; GB/T 476; GB/T 508; GB/T 1884; GB/T 2900.48; GB/T 6284; GB/T 8174; GB/T 10184; GB/T 10410; GB 13271; GB/T 13610; GB/T 19227; GB 23971; GB/T 24747; GB/T 25214; GB/T 28730; GB/T 28731
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This standard specifies the terms and definitions in the thermal performance test of industrial boilers, symbols and units, general rules, test preparation, test requirements, measurement items and test instruments, test methods, boiler thermal efficiency calculations, and test reports. This standard is applicable to the thermal performance test of solid fuel boilers, liquid fuel boilers, gas fuel boilers and electric heating boilers whose rated pressure is less than 3.8 MPa, medium for water or liquid organic heat carrier. Oil field steam boiler, waste heat utilization device or equipment (except flue-type waste heat boiler), the steam pressure of not less than 3.8 MPa and the steam temperature of less than 450 �� can refer to the use of the boiler.

GB/T 10180-2017: Thermal performance test code for industrial boilers

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Thermal performance test code for industrial boilers ICS 27.060.30 J98 National Standards of People's Republic of China Replacing GB/T 10180-2003 Industrial Boiler Thermal Performance Test Procedures Published on.2017-07-12 2018-02-01 Implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Administration released Directory Preface I 1 Scope 1 2 Normative references 1 3 Terms and Definitions 2 4 Symbols and Units 3 5 General 11 6 Test preparation 14 7 Test Requirements 15 8 Measuring items and test instruments 17 9 Test methods 21 10 Calculation of boiler thermal efficiency 26 11 Test report 29 Appendix A (Informative Appendix) Flue Gas Condensation and Heat Recovery in Boiler Thermal Balance System Boundary Boiler thermal efficiency calculation 30 Appendix B (Normative Appendix) Boiler Operation Test 33 Appendix C (Normative Appendix) Sampling and preparation of coal and pulverized coal 37 Appendix D (Normative Appendix) Determination of Equal Area of Grid Method and Determination of Representative Points 38 Appendix E (Normative Appendix) Use of the Aussie Analyzer 40 Appendix F (Normative) Measurement and Calculation of Heat Loss 42 Appendix G (normative) Saturated steam humidity and superheated steam salt content determination method 43 Appendix H (Informative Appendix) Main contents of industrial boiler thermal performance test report 47 Appendix I (Normative Appendix) Calculation of Thermal Efficiency of Circulating Fluidized Bed Boilers with Addition of Desulfurizers 61 Appendix J (informative annex) Average constant pressure heat capacity of flue gas, ash and air, relevant quantities of commonly used gases, and commonly used statutory measurements Units and their translation 68

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 10180-2003 "Industrial Boiler Thermal Performance Test Procedures", compared with GB/T 10180-2003, except for The major technical changes outside of this series are as follows. --- Modify the scope (see Chapter 1, Chapter 1 of the.2003 edition); --- Added and modified terms and definitions (see Chapter 3, Chapter 3 of the.2003 edition); --- Added and modified symbols and units (see Chapter 4,.2003, Chapter 4); --- Modify the method of determining the base temperature of the boiler in the styling test and acceptance test (see 5.7,.2003 version 7.10); --- Modify the measurement accuracy of some instruments and equipment (see Table 6,.2003 version 9.4~9.8); --- Modify the formula for calculating the thermal efficiency of the superheated steam boiler [see Equation (5), Equation (6), Equation (7),.2003, Equation (5), Equation (6)]; --- Modify the error provisions of the boiler thermal efficiency calculation results (see 10.1.2,.2003 version 9.3); --- Modified sampling and preparation of coal and pulverized coal (see Appendix C, Appendix A of the.2003 edition); --- Modify the use of the Austenitic analyzer (see Appendix E, Appendix C of the.2003 edition); --- Modify the measurement and calculation of heat loss (see Appendix F, Appendix D of the.2003 edition); --- Added boiler thermal balance system boundary map and related requirements for thermal performance test (see 5.1); --- Increased the validity of the test data record requirements (see 5.8); --- Increased thermal efficiency calculation method for multi-function boilers (see 10.2); --- Added boiler thermal efficiency calculation method for adding desulfurizer (see Appendix I); --- Increased boiler thermal efficiency calculation method for the occurrence of flue gas condensation and heat recovery in the boiler thermal balance system boundary (see attached Record A); --- Increased boiler operation test method (see Appendix B); --- Increased the division of the grid area and the determination of representative points (see Appendix D); --- Increased calculation of the thermal efficiency of circulating fluidized bed boilers with addition of desulfurizers (see Appendix I); --- Deleted the indefinable content of light furnace walls, heavy light furnace walls, etc. (see 7.1.1 of the.2003 edition). This standard is proposed and managed by the National Standardization Technical Committee for Boiler and Pressure Vessels (SAC/TC262). This standard is drafted by. Shanghai Industrial Boiler Research Institute. Participated in the drafting of this standard. Fujian Institute of Boiler and Pressure Vessel Inspection, Guangdong Special Equipment Inspection and Research Institute, Shanghai Special Equipment Supervision and Inspection Technology Research Institute, Jianglian Heavy Industry Co., Ltd., Jiangsu Shuangliang Boiler Co., Ltd., Suzhou Hailu Heavy Industry Co., Ltd. Secretary, Jinniu Co., Ltd., Nantong Wanda Boiler Co., Ltd., Dalian Boiler and Pressure Vessel Inspection and Research Institute, Qingdao Ebara Environmental Equipment Co., Ltd. Limited Company, Taishan Group Co., Ltd., China Special Equipment Inspection and Research Institute, Tianjin Baocheng Machinery Manufacturing Co., Ltd., Wuxi Tineng Boiler Co., Ltd. The main drafters of this standard. Wang Shanwu, Zhang Yuanzhang, Li Yuesheng, Tong Qinghua, Lei Qinxiang, Pan Ruilin, Ding Jie, Xiao Xinfang, Xu Yuping, Li Shengde, Yang Lin, Ye Hao, Guan Jian, Qiu Xingtong, Yu Mengquan, Li Chun, Meng Xiangjun, Xu Yongmin, Wang Huiyun, Zhou Donglei, Yin Huikun, Qi Guoli, Li Yaorong, Zhu Yongzhong, Zhao Bo. The previous versions of the standard replaced by this standard are. --- GB/T 10180-1988, GB/T 10180-2003. Industrial Boiler Thermal Performance Test Procedures

1 Scope

This standard specifies the terms and definitions, symbols and units, general rules, test preparations, and test requirements in the thermal performance test of industrial boilers. Measurement items and test instrumentation, test methods, calculation of boiler thermal efficiency, and test report. This standard applies to solid fuel boilers and liquid fuel boilers whose rated pressure is less than 3.8 MPa and whose medium is water or liquid organic heat carrier. Thermal performance tests for furnaces, gas-fired boilers, and electric heating boilers. Oilfield steam injection boiler, waste heat utilization device or equipment (excluding flue type waste heat boiler), steam pressure not less than 3.8MPa and steam temperature The degree of less than 450 °C boiler can refer to use.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article Pieces. For undated references, the latest version (including all amendments) applies to this document. Determination of total moisture in GB/T 211 coal Industrial analysis method for GB/T 212 coal GB/T 213 Coal Calorimetry Method Determination of Total Sulfur in GB/T 214 Coal GB/T 260 Petroleum Products Moisture Determination GB/T 384 determination of calorific value of petroleum products Preparation of GB/T 474 coal sample Determination of Carbon and Hydrogen in GB/T 476 Coal GB/T 508 ash determination of petroleum products GB/T 1884 Laboratory determination of density of crude oil and liquid petroleum products (densitometer method) GB/T 2900.48 Electrical terminology boiler GB/T 3286 (all parts) Methods for chemical analysis of limestone and dolomite GB/T 6284 General method for determination of moisture in chemical products Dry reduction method Test and Evaluation of GB/T 8174 Equipment and Pipeline Thermal Insulation Effect GB/T 10184 Power Station Boiler Performance Test Procedures GB/T 10410 Gas and chromatographic analysis of major components of artificial gas and liquefied petroleum gas GB 13271 Boiler Air Pollutant Emission Standard GB/T 13610 Composition Analysis of Natural Gas Gas Chromatography GB/T 19227 Determination of nitrogen in coal GB 23971 Organic Heat Carrier GB/T 24747 organic heat carrier safety technical conditions GB/T 25214 Determination of Total Sulfur in Coal by Infrared Spectroscopy GB/T 28730 solid biomass fuel sample preparation method GB/T 28731 Solid Biomass Fuel Industry Analysis Method GB/T 28732 method for determination of total sulfur in solid biomass fuel GB/T 28733 Method for determination of total moisture of solid biomass fuel GB/T 28734 Determination of hydrocarbons in solid biomass fuels GB/T 30725 solid biomass fuel ash composition determination method GB/T 30726 Solid Fuel Ash Fusion Method GB/T 30727 Solid biomass fuel calorific value determination method GB/T 30728 Determination of Nitrogen in Solid Biomass Fuels GB/T 30732 Coal Industrial Analytical Instruments Method GB/T 30733 Determination of carbon and hydrogen nitrogen in coal CJ/T 313 Domestic Waste Sampling and Analysis Methods DL/T 567.8 Fuel Test Method for Thermal Power Plants Determination of Fuel Calorific Value DL/T 567.9 Fuel Test Method for Thermal Power Plant Fuel Element Analysis NB/T 47034 Industrial Boiler Technical Conditions NY/T 1879 Biosolids Solid Fuel Sampling Method NY/T 1880 Biomass Solid Shaped Fuel Sample Preparation Method NY/T 1881.1 Test Method for Biomass Solid Fuels Part 1. General Rules NY/T 1881.2 Biomass Solid Forming Fuel Test Methods Part 2. Full Moisture NY/T 1881.3 Test Methods for Biomass Solid Formed Fuels Part 3. General Analysis of Sample Moisture NY/T 1881.4 Test Method for Biomass Solid Formed Fuels Part 4. Volatile Partitions NY/T 1881.5 Test Method for Biomass Solid Fuels Part 5. Ash Content

3 Terms and Definitions

The definitions of GB/T 2900.48 and the following terms and definitions apply to this document. 3.1 Solid fuel solidfuel Solid fuels include coal, oil shale, biomass fuels, and flammable solid wastes. 3.2 Liquid fuel Liquid fuels, including petroleum, fuel oils, and industrial waste fluids (such as lye, magnesium, etc.). 3.3 Gas fuel gasfuel Gaseous fuels include natural gas, blast furnace gas, coke oven gas, city gas, and liquefied gas. 3.4 Lower heating value netcalorificvalue The amount of heat released from the complete combustion of a unit volume of gaseous fuel or unit mass of solid or liquid fuel under specified conditions The vapor in the gas condenses into the heat obtained by the latent heat of vaporization of water. 3.5 Heat output heatoutput The difference between the amount of heat that is provided by steam, water, or other working fluid from the boiler outside and the water or other working fluid that enters the boiler. 3.6 Boiler net efficiency netboile reliability The boiler effectively uses heat to deduct boiler efficiency after self-used steam and auxiliary equipment consume power to convert heat. 3.7 Positive balance method directprocedure The method of directly measuring the input heat and output heat to determine the thermal efficiency of the boiler is also called a direct measurement method or an input-output method. 3.8 Anti-balance measurement indirectprocedure Methods for determining the thermal efficiency of boilers by measuring heat losses from various combustion products and boiler heat loss, also known as indirect measurement methods, heat losses Method or energy balance method. 3.9 Multi-purpose boiler multimediumboiler There are two or more types of heated working fluids (such as water and steam, heat carrier and hot water, heat carrier and water) in the boundary of the boiler heat balance system. Air, etc.) and output to the boilers of the respective thermal equipment. 3.10 Desulfurizer desulfurizer Used to capture and absorb sulfur dioxide in flue gas additives. Note. This standard specifically refers to limestone (its main component is CaCO3, with a small amount of MgCO3, impurities and water). 3.11 Calcining reaction calcination reaction The desulfurization agent decomposes into an endothermic chemical reaction of CaO, MgO, and CO2. 3.12 Sulfation reaction sulfation reaction An exothermic chemical reaction of CaO, MgO with O2, SO2 to produce CaSO4, MgSO4. 3.13 Desulfurization efficiency Sulfur that has entered the furnace with the fuel, but is not emitted as sulphur dioxide, is a percentage of the total sulfur content of the fuel injected into the furnace.

4 symbols and units

The symbols and units listed in Table 1 apply to this document. Table 1 Symbols and Units No. Symbol Name Unit Remarks 1 ∑A total heated area m2 2 AAH air preheater heating surface m2 3 Aar received base ash% Suitable for solids Fuel, liquid fuel 4 ACaSO4 Corresponding to every kilogram of fuel injected into the furnace, the mass of calcium sulfate produced after desulfurization is kg/kg

5 ACaO

Corresponding to every kilogram of fuel injected into the furnace, no reaction occurred after the calcination reaction of the desulfurizer Sulfation reaction of calcium oxide Kg/kg 6 Acon convection tube heating surface m2 7 AECO economizer heating surface m2 8 Af.b Furnace radiant heating surface (or suspension section heating surface) m2 Table 1 (continued) No. Symbol Name Unit Remarks 9 Ajs Add the desulfurizer, corresponding to the mass per kg of ash into the fuel kg/kg 10 ASH superheater heating surface m2 11 Azz Corresponding to each kilogram of fuel injected, the mass of desulphurization agent ash kg/kg 12 Awfj Desulfurizer Undecomposed Calcium Carbonate Quality kg/kg 13 B Fuel consumption (mass or volume flow of fuel into the furnace) kg/h or m3/h 14 Bshs Desulfurizer Mass Flow kg/h 15 Car received base carbon% Suitable for solids Fuel, liquid fuel 16 Cas fly ash fuel content% 17 Cca Cinder Combustible % 18 Ccl Leakage Coal Fuel Content% 19 Coa overflow ash content of fuel 20 Cpd Flue Dust (Settling Ash) Fuel Content% 21 Cs Slag Combustible % 22 Crec Cyclic Ash Combustible % CH4 C2H6 C3H8 C4H10 C5H12 Received methane Received Ethane Receiving base propane Received butane Received Pentane Apply to Gas fuel 28 CO received base carbon monoxide% for gaseous fuel 29 CO' CO % 30 CO2 received base carbon dioxide % Applicable to gaseous fuel 31 ∑CmHn Received unsaturated radicals % Suitable for gaseous fuels 32 CaCO3,ar mass fraction of calcium carbonate in desulfurizer 33 CmH'n Smoke CmHn % 34 Crar Fuel mass actually burned on the basis of carbon mass % 35 􀭺C Percentage of average carbon content in ash and calculated ash in fuel 36 cas fly ash specific heat kJ/(kg·°C) 37 cca cold ash (bottom slag) specific heat kJ/ (kg · °C) 38 ccl Leakage coal specific heat kJ/(kg·°C) 39 cd.fg Average dry heat ratio of smoke at the exhaust gas kJ/(m3·°C) The average specific heat at the inlet temperature of 40 cen is kJ/(m3·°C) 41 cH2O Flue gas at average temperature than constant pressure heat capacity kJ/(m3·°C) Table 1 (continued) No. Symbol Name Unit Remarks 42 clv Average Heat Specific Heat kJ/(m3·°C) at Hot Air Outlet Temperature 43 coa overflow ash specific heat kJ/(kg·°C) 44 cpd Flue Dust (Settling Ash) Specific Heat kJ/(kg·°C) 45 crec Cycle Ash Specific Heat kJ/(kg·°C) 46 cs slag specific heat kJ/(kg·°C) 47 ct( )as fly ash kJ/kg 48 ct( )ca Cold grey (bottom slag) 焓kJ/kg 49 ct( )cl Leaking coal kJ/kg 50 ct( )oa overflow ash kJ/kg 51 ct( )pd Flue dust (Settling ash) 焓kJ/kg 52 ct( )rec loop ash kJ/kg 53 ct( )s slag 焓kJ/kg 54 Cl- sat.st saturated steam condensate chloride content mg/kg 55 Cl-w Pot Water Chloride Content mg/kg 56 Dato Atomizing Steam Steam Rate kg/kg 57 Dc.fw Wastewater utilization device (condenser) feed water flow kg/h 58 Dcon Boiler Conversion Evaporation kg/h 59 Dfw water flow kg/h 60 Disc slag cooler is classified in the boiler thermal balance system cooling fluid flow within the boundary kg/h 61 Dno boiler under test conditions nominal evaporation kg/h 62 Dout output steam (ie boiler measured evaporation) kg/h 63 Dp.st Atomizing steam consumption kg/h 64 Dpu Self-used steam kg/h 65 Dr boiler rated evaporation kg/h 66 Ds Superheated steam flow kg/h 67 d steam extraction tube diameter mm 68 ds steam sample tube bore diameter mm 69 Eb Equivalent to kW per hour per ton of steam 70 F The total surface area of the boiler heat sink, the total heat sink surface area includes the boiler heat Boiler body and waste heat recovery device within the balance system boundary Flues and tanks and other components M2 71 F1, F2, and Fn are the heat dissipation area of each zone The sum of the surface area of the 72 Ffl boiler separation and return system, etc. m2 73 Fsep The sum of the surface areas of the boiler separation system, including the separator, Riser and return valve surface area M2 Table 1 (continued) No. Symbol Name Unit Remarks 74 FZ boiler heat dissipation total surface area m2 75 fxz area correction factor 76 G hot water (organic heat carrier) boiler working medium circulation flow kg/h 77 Gca Cold Ash (Ground bottom slag) mass kg/h 78 Gcl Leakage coal quality kg/h 79 GHum Pot water sampling when determining steam humidity kg/h 80 Goa overflow ash mass kg/h 81 Gpd flue ash (fallout ash) mass kg/h 82 Grec Ash Ash Ash Quality kg/h 83 Gs Vapor Sampling Rate for Determination of Salt Content in Superheated Steam kg/h 84 Ghumsl wet slag mass kg/h 85 Gsl slag mass kg/h 86 Gsat.st Conductivity value of saturated steam condensate μs/cm 87 Gto.ash boiler total ash mass kg/h 88 Gw pot water conductivity μs/cm 89 H Natural Ventilation Chimney Height m 90 Har received base hydrogen% Suitable for solids Fuel, liquid fuel 91 Hfw feed pump (circulation pump, heat carrier pump) Head m 92 H'2 Smoke H2 93% H2S Received Hydrogen Sulfide for Gaseous Fuel 94 H2S' H2S % 95 hca into the furnace cold air 焓kJ/kg 96 hc.iw Inlet of water in waste heat utilization unit (condenser) kJ/kg 97 hc.ow Effluent in waste heat utilization unit (condenser) 焓kJ/kg 98 hds Smoke at the smoke outlet kJ/kg or kJ/m3 99 hfw water supply kJ/kg 100 h*fw design parameters water supply 焓kJ/kg 101 hfw.h Hot Water (Organic Heat Carrier) Boiler Importer 焓kJ/kg The 102 h′′isc cold slag cooler is assigned to the cooling medium outlet at the boundary of the boiler thermal balance system. The 103 h'isc slag cooler is placed in the boundary of the boiler thermal balance system and the cooling medium inlet enthalpy kJ/kg 104 how hot water (organic heat carrier) boiler outlet working fluid 焓kJ/kg 105 hpu own steam 焓kJ/kg 106 hst.sh.lv Superheated steam 焓kJ/kg Table 1 (continued) No. Symbol Name Unit Remarks 107 h*st.sh.lv Superheated steam 焓kJ/kg under design parameters 108 hsat.st Saturated steam 焓kJ/kg 109 h*sat.st Design parameters saturated steam 焓kJ/kg 110 i The representative point number from the center of the circular section 111 Kq4 correction factor % 112 ∑Ki % of sum of volume components for gaseous fuel 113 Mar received base moisture% Suitable for solids Fuel, liquid fuel 114 Mar.fo Fuel Moisture Content% 115 Ms slag water content after rinsing 116 Mshst Limestone Moisture % 117 Mw gas fuel moisture g/m3 for gas fuel 118 mogycw Fuel combustion dry flue gas [Including carbon combustion to generate CO2, actual Generated SO2 (excluding sulfur absorbed by desulfurization, N2 in fuel, and Desulfurizer produced dry flue gas CO2)] moles Mol/kg 119 motlgy Number of moles of flue gas generated by desulfurizer mol/kg The theoretical dry air amount of mol/kg after 120 molk addition of desulfurizer 121 mozz,as % mass fraction of base impurities (including magnesium carbonate) received in desulfurizer 122 N electric heating boiler hourly electricity consumption kW 123 Nar received base nitrogen% Suitable for solids Fuel, liquid fuel 124 Nb burner motor power kW 125 Nba blower motor power kW 126 Ncg pulverizer motor power kW 127 Ncs coal feeder motor power kW 128 Ncom Fuel consumption per hour for burning equipment (Including fuel gas burner motor, fuel heater, etc.) kW 129 Nfr crusher motor power kW 130 Nfw feed pump motor power kW 131 Ng grate transmission motor power kW 132 Nh Fuel Heater Power kW 133 Nin.a induced draft fan motor power kW 134 Nm coal mill motor power kW 135 Noth other motor power kW 136 Nsc Screen Motor Power kW Table 1 (continued) No. Symbol Name Unit Remarks 137 ∑N Total Electricity Usage per Hour kW 138 N2 received base nitrogen % for gaseous fuel 139 Na sat.st Saturated Steam Condensate Sodium Content mg/kg 140 Na w water sodium ion content mg/kg 141 nh Number of equal-area rings required for circular section 142 np measuring point row number 143 ns number of sampling holes 144 Oar received base oxygen% Suitable for solids Fuel, liquid fuel 145 O2 received base oxygen % for gaseous fuel Percentage of oxygen in dry flue gas after 146 O'2 addition of desulfurizer 147 P Steam Pressure (Gage Pressure) MPa 148 Pam Measured steam pressure (gauge pressure) MPa 149 Pba send (drum) fan wind pressure Pa 150 Pfw water supply pressure MPa 151 Pfw.h hot water (organic heat carrier) boiler inlet working fluid pressure MPa 152 Pin.a induced draft fan pressure Pa 153 Pno Nominal working pressure (steam) pressure MPa in test conditions 154 Pow Hot Water (Organic Heat Carrier) Boiler Export Pressure MPa 155 Pp.st Atomization Steam Pressure MPa 156 Pr Rated Steam Pressure MPa 157 Qact Hot Water (Organic Heat Carrier) Boiler Actual Heat Output MW 158 Qba send (drum) fan air volume m3/h 159 Qc.a Effective heat absorption kJ/h of waste heat utilization device (condenser) 160 Qex Heated fuel or external heat kJ/kg or kJ/m3 Heated with external heat Material or air, corresponding For every kilogram or standard State per cubic meter Heat carried by the fuel 161 Qf Physical Fuel Heat kJ/kg or kJ/m3 162 Qfw feed pump (circulation pump, heat carrier pump) flow m3/h 163 Qin.a induced draft fan air volume m3/h 164 Qin Input Heat kJ/kg or kJ/m3 165 Qnet.v.ar Received base low calorific value kJ/kg for solid fuel 166 Qnet.v.ar( )fo fuel received base low calorific value kJ/kg for liquid fuel Table 1 (continued) No. Symbol Name Unit Remarks 167 Qnet.v.ar( )g Gas Received Base Low Calorific Value kJ/m3 Suitable for Gas Fuels 168 Qout The actual output heat of the hot water boiler is kJ/h or kJ/m3 169 Qpu Self-used steam to bring in heat kJ/kg or kJ/m3 170 Qr Hot Water (Organic Heat Carrier) Boiler Rated Output Heat kJ/kg or kJ/m3 171 Ql Total effective heat absorbed per hour kJ/h 172 ∑i=nQli The amount of heat absorbed by each working substance per hour kJ/h 173 Q2 Heat of flue gas taken away kJ/kg or kJ/m3 174 Q3 Gas incomplete combustion heat loss kJ/kg or kJ/m3 175 Q4 Incomplete combustion heat loss kJ/kg 176 Q5 Boiler heat loss kJ/kg or kJ/m3 177 Q6 Ash physical heat loss, namely slag, recycling ash, flue ash (deposition ash) The sensible heat taken away from the boiler and fly ash, etc. kJ/kg 178 Q7 Desulfurization heat loss kJ/kg 179 qv furnace volume heat load W/m3 180 qR grate area thermal load W/m2 181 q2 Smoke heat loss % 182 q3 gas incomplete combustion heat loss % 183 q4 Incomplete combustion heat loss % 184 q5 heat loss % 185 q6 Ashes Physical Heat Loss % 186 q7 limestone desulphurization heat loss % 187 ∑q heat loss and% 188 q5r Boiler Heat Loss at Rated Evaporation (Heat) % 189 q51t boiler heat loss check table value kJ/(m2·h) 190 q51,q52,,q5n are the heat dissipation in each section kJ/(m2·h) 191 R grate area mm 192 Rg section radius m2 193 R70 pulverized coal fineness% for solid fuel 194 RO'2 Smoke at RO2 (ie. CO2 SO2) % 195 RO2max theoretical maximum RO2 (ie. CO2 SO2) percentage % 196 rCa/S molar ratio of calcium to sulphur 197 ri represents the distance from the center of the circular section of the point mm 198 Sar receives the base sulfur % Suitable for solids Fuel, liquid fuel Table 1 (continued) No. Symbol Name Unit Remarks 199 Sst.RH.lv Superheated steam salt content μg/kg 200 tas fly ash temperature °C 201 tca cold air temperature °C 202 tcl Leaking coal temperature °C 203 tcs Cold Ash (Bottom Slag) Temperature °C 204 tds smoke temperature °C 205 ten hot air inlet temperature °C 206 tfo inlet temperature °C 207 tfw feedwater temperature °C 208 tfw.h hot water (organic heat carrier) boiler inlet working fluid temperature °C 209 tha Into the hot air temperature °C 210 tin fuel burner inlet temperature °C 211 tlv hot air outlet temperature °C 212 tow hot water (organic heat carrier) boiler outlet working fluid temperature °C 213 toa overflow ash temperature °C 214 tpd Flue Dust (Settling Ash) Temperature °C 215 trec cycle ash temperature °C 216 tex.rec Measured circulating ash temperature leaving the boundary of the boiler heat balance system °C 217 tr.st rated steam temperature °C 218 ts slag temperature °C 219 tst.sh.lv Superheated steam temperature °C 220 V...

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