JBT 8055-1996 直燃型溴化锂吸收式冷、热水机组

J73JB/T8055－96直燃型溴化锂吸收式冷、热水机组1996-09-03发布1997-07-01实施中华人民共和国机械工业部发布I前言1范围·········································································································································································································（1）2引用标准······························································································································································································（1）3定义·········································································································································································································（2）4型式与基本参数···············································································································································································（2）5技术要求······························································································································································································（3）6试验方法······························································································································································································（6）7检验规则····························································································································································································（13）8标志、包装和贮存·······································································································································································（14）附录A（标准的附录）污垢系数的影响························································································································（16）附录B（标准的附录）溴化锂溶液技术要求··············································································································（17）附录C（标准的附录）本体散热损失系数计算方法······························································································（18）JB/T8055－96目次II前言本标准非等效采用日本工业标准JISB8622—1986(1991年确认)《吸收式制冷机》。本标准的附录A、附录B、附录C都是标准的附录。本标准由机械工业部冷冻设备标准化技术委员会提出并归口。本标准起草单位：江苏双良集团公司、机械工业部合肥通用机械研究所。本标准主要起草人：刘晓立、江荣方、任金禄。JB/T8055－9611范围本标准规定了直燃型溴化锂吸收式冷、热水机组(以下简称机组)的型式、基本参数、技术要求、试验方法、检验规则、标志、包装和贮存。本标准适用于以燃油、燃气为热源、水为制冷剂、溴化锂水溶液为吸收剂，交替制取空气调节用冷、热水的机组。同时制取空气调节和工艺用冷、热水的机组亦应参照执行。2引用标准下列标准所包含的条文，通过在本标准中引用而构成为本标准的条文。本标准出版时，所示版本均为有效。所有标准都会被修订，使用本标准的各方应探讨使用下列标准昀新版本的可能性。GB252—87轻柴油GB445—77(1988年确认)重柴油GB711—88优质碳素结构热轧厚钢板和宽钢带GB713—86制造锅炉用碳素钢及低合金钢钢板GB1527—87拉制铜管GB/T2624—93流量测量节流装置用孔板、喷嘴和文丘里管测量充满圆管的流体流量GB3087—82低中压锅炉用无缝钢管GB3274—88碳素结构钢和低合金结构钢热轧厚钢板和钢带GB3785—83声级计的电、声性能及测试方法GB8890—88热交换器用铜合金管GB10180—88工业锅炉热工试验规范GB13271—91锅炉大气污染物排放标准GB/T13306—91标牌GB/T13384—92机电产品包装通用技术条件GB13612—92人工煤气JB/T5281—91直联旋片式真空泵技术条件JB5777.2—91控制屏(台)技术条件JB6217—92PB系列隔爆型屏蔽电动机技术条件JB/T6446—92直空阀门技术条件JB/T6918—93制冷用金属与玻璃烧结液位计和视镜JB/T7247—94溴化锂吸收式冷水机组ZBJ73040—89制冷压缩机组电气控制设备通用技术条件ZBJ78004—87XZ型旋片式真空泵技术条件ZBN04009—88工业自动化仪表盘通用技术条件机械工业部1996-09-03批准中华人民共和国机械行业标准直燃型溴化锂吸收式冷、热水机组JB/T8055－961997-07-01实施JB/T8055－962SH0356—92重油(燃料油)SY7514—90天然气3定义直燃型溴化锂吸收式冷、热水机组：以燃油、燃气为热源，水为制冷剂、溴化锂水溶液为吸收剂，在真空状态下交替或者同时制取空气调节和工艺用冷、热水的设备。4型式与基本参数4.1型式机组分燃油和燃气两种型式。4.2型号机组型号表示方法规定如下：型号示例a)制冷量1740kW，燃油直燃型溴化锂吸收式冷、热水机组：ZXY–174b)制冷量1160kW，第一次改型的燃气直燃型溴化锂吸收式冷、热水机组：ZXQ–116A4.3基本参数4.3.1机组名义工况制冷量按下列参数分档，单位kW：230，350，470，580，700，810，930，1050，1160，1450，1740，2040，2330，2620，2910，3490，4070，4650，5230，5810。4.3.2机组名义工况和性能按表1的规定。表1项目制冷供热冷(热)水出口温度760冷水进、出口温差5冷却水进口温度℃32单位制冷量冷却水流量m3/(h·kW)0.260—冷(热)水、冷却水侧污垢系数m2·℃/kW0.086轻柴油0.0770.093重油kg/(h·kW)0.0790.095人工煤气0.2210.271单位制冷(供热)量燃料耗量天然气Nm3(h·kW)0.0910.112注1本标准中标准状态(101.325kPa·0℃)下的体积单位以Nm3表示。2单位制冷(供热)量燃料耗量是指下列热值下的数值：轻柴油低热值：42.9MJ/kg；重油低热值：41.9MJ/kg；人工煤气高热值：16.3MJ/Nm3；天然气高热值：39.5MJ/Nm3。改型编号：用汉语拼音字母A、B……顺序表示名义制冷量：用阿拉伯数字（×10kW）表示型式：燃油型用ZXY表示；燃气型用ZXQ表示JB/T8055－9635技术要求5.1机组应符合本标准的规定，并按经规定程序批准的图样和技术文件或用户和制造厂的协议制造。5.2机组性能的昀大偏差应不超过以下规定：——制冷量不小于名义值的95%；——供热量不小于名义值的95%；——单位制冷(供热)量燃料耗量不大于名义值的105%；——单位制冷量冷却水流量不大于名义值的105%；——冷(热)水、冷却水压力损失不大于规定值的110%。5.3机组工作范围和变工况规定：机组应能在表2规定的工作范围内正常工作，并参照间隔值进行测试。表2制冷供热项目变化范围间隔值变化范围间隔值冷（热）水出口温度5～10145～655冷却水进口温度℃24～342冷（热）水、冷却水流量%80～12010—5.4部分负荷性能规定：机组应能在100%~30%（燃油）或100%~25%（燃气）制冷（供热）量范围内正常调节，并按表3规定进行测试。性能数据应以名义工况燃料耗量的百分数与名义工况制冷（供热）量的百分数来表示。表3项目制冷供热冷（热）水出口温度℃760冷（热）水流量名义工况时流量冷却水进口温度随负荷呈线性变化，从名义工况100%负荷时的32℃减少到负荷为零时的22℃（二点以上，包括昀小负荷点）冷却水流量名义工况时流量—冷（热）水、冷却水侧污垢系数m2·℃/kW0.086注：污垢系数的影响见附录A（标准的附录）。5.5机组噪声声压级不应大于表4规定。表4制冷量kW≤11601160∽23302330噪声dB(A)8284865.6机组的昀高允许烟气黑度应符合GB13271的规定。5.7机组使用的溴化锂溶液的技术要求见附录B（标准的附录）。JB/T8055－9645.8机组对冷却水和补充水水质要求按表5规定。表5基准值项目单位冷却水补充水基准项目酸碱度pH（25℃）电导率（25℃）氯离子Cl–硫酸根离子SO2–酸消耗量（pH4.8）全硬度μs/cmmgCl–1/Lmg−24SO/LmgCaCO3/LmgCaCO3/L6.5～8.0＜800＜200＜200＜100＜2006.5～8.0＜200＜50＜50＜50＜50参考项目铁Fe硫离子S2–铵离子+4NH离子状二氧化硅SiO2mgFe/LmgS2–/Lmg+4NH/LmgSiO2/L＜1.0检验不出＜1.0＜50＜0.3检验不出＜0.2＜305.9机组使用的燃料要求：——轻柴油应符合GB252的规定；——重油应符合GB445或SH0356的规定；——人工煤气应符合GB13612的规定；——天燃气应符合SY7514的规定。5.10机组零、部件的设计和制造规定如下：a)机组主要零件的材料应符合表6的规定，并应有相应的质量证明文件；表6零件名称材料牌号标准代号高压发生器20gGB713Q235–AGB3274筒体低压发生器、冷凝器、蒸发器、吸收器10、20GB711高压发生器20GB3087B