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J73JB/T4329-1997容积式冷水(热泵)机组1997-04-15发布1998-01-01实施中华人民共和国机械工业部发布II前言1范围····················································································································································································································12引用标准·········································································································································································································13型式与基本参数··························································································································································································24技术要求·········································································································································································································45试验方法·········································································································································································································86检验规则·······································································································································································································137标志、包装和贮存··················································································································································································14附录A(提示的附录)允许偏差计算举例·································································································································17附录B(提示的附录)部分负荷时各种型式机组冷凝器进口温度计算举例·······················································18JB/T4329-1997目次II前言本标准是对JB4329—86《螺杆式冷水机组技术条件》和ZBJ73041—89《活塞式冷水机组技术条件》的修订。本标准非等效采用日本工业标准JISB8613—86《冷水机组》,增加了部分负荷性能等要求。本标准的附录A、附录B都是提示的附录。本标准从生效之日起,同时代替JB4329—86和ZBJ73041—89。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:福州扬帆空调有限公司、机械工业部合肥通用机械研究所。本标准主要起草人:依学成、陈克福、任金禄。JB/T4329-199711范围本标准规定了电动机驱动的整体容积式冷水(热泵)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、包装和贮存的基本要求。本标准适用于制冷量为10~1160kW的集中空调用机组(不一定整体发运)。同样也适用于为防止因室外气温降低而引起冻结,在水中加化学药剂作制冷(或制热)的机组。本标准不适用于饮用水、饮料及不以水作载冷(热)剂的工业专用的制冷或热泵制热的机组。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。GB536—1988液体无水氨GB755—1987旋转电机基本技术要求GB1226—1986一般压力表GB1497—1985低压电器基本标准GB/T1804—1992一般公差线性尺寸的未注公差GB3906—19913~35kV交流金属封闭式开关设备GB4706.32—1996家用和类似用途电器的安全热泵、空调器和除湿机的特殊要求GB7251—1987低压成套开关设备GB7373—1987工业用二氟一氯甲烷(F22)GB10079—1988全封闭活塞式制冷压缩机GB10870—1989容积式冷水机组性能试验方法GB10872—1989小型活塞式单级制冷压缩机技术条件GB10875—1989中型活塞式单级制冷压缩机技术条件GB/T13306—1991标牌GB/T13384—1992机电产品包装通用技术条件GB13500—1992封闭式制冷压缩机用三相异步电动机通用技术条件GBJ50—1983工业循环冷却水处理设计规范JB/T3548—1991制冷用R12、R22、R502热力膨涨阀JB/T4119—1991制冷用电磁阀JB4330—1986制冷和空调设备噪声声功率级的测定工程法JB/T6411—1992暖通、空调用轴流通风机JB/T6906—1993喷油螺杆式单级制冷压缩机JB/T6917—1993制冷装置用压力容器JB/T6918—1993制冷用金属与玻璃烧结液位计和视镜机械工业部1997-04-15批准中华人民共和国机械行业标准容积式冷水(热泵)机组JB/T4329-19971998-01-01实施JB/T4329-199718JB/T7230—1994热泵用四通电磁换向阀JB/T7245—1994制冷用截止阀JB/T7247—1994溴化锂吸收式冷水机组JB/T7658.5—1995氨制冷装置用蒸发式冷凝器JB/T7659.2—1995氟利昂制冷装置用水冷冷凝器JB/T7659.4—1995氟利昂制冷装置用干式蒸发器JB/T7659.5—1995氟利昂制冷装置用翅片式换热器JB/T7666—1995制冷和空调设备名义工况一般规定JB/T7771—1995制冷用压力、压差控制器ZBJ73022—1989单元式空气调节机试验方法ZBJ73025—1989制冷机型号编制方法ZBJ73031—1989制冷用扩口式管接头螺母ZBN04009—1988工业自动化仪表盘通用技术条件SH0349—1992冷冻机油3型式与基本参数3.1型式(括号内为机组型式代号,无代号者即型号中不表示)3.1.1按制冷压缩机型式分类——开启式;——半封闭式(B);——全封闭式(Q)。3.1.2按制冷压缩机类型分类——往复活塞式;——双螺杆式(LG);——单螺杆式(DG);——涡旋式(W)。3.1.3按机组功能分类——单冷式机组;——制冷及热泵制热兼用机组(R),包括热泵制热和电加热制热同时使用的机组及热泵制热和电加热装置切换使用的机组;——制冷及电加热制热兼用的机组(D)。3.1.4按热源侧(放热侧)热交换方式分类——水冷式(水热源);——风冷式(F)——空气热源;——蒸发冷却式(Z)。3.1.5按制冷剂种类分类——R22、R134a等制冷剂;——R717——氨制冷剂(A);——R407C、R410A等混合制冷剂(H)。3.2型号3.2.1机组型号的编制方法除应符合ZBJ73025的规定外,还应符合以下规定。JB/T4329-1997183.2.2机组型号表示方法规定如下:型号示例:制冷量350kW,开启活塞式压缩机,制冷剂为氨的单冷式、水冷机组:LSA350制冷量175kW,半封闭双螺杆式压缩机,制冷剂为R22的制冷及热泵制热兼用风冷式机组:LSBLGRF175制冷量58kW,全封闭涡旋式压缩机,制冷剂R407C的制冷及电加热兼用蒸发冷却式机组:LSQWDZH583.3基本参数3.3.1名义工况机组名义工况时温度条件的规定除按JB/T7666的规定外,还应符合表1的规定。表1名义工况时的温度条件℃使用侧热源侧(或放热侧)冷、热水水冷式风冷式蒸发冷却式项目进口水温出口水温进口水温出口水温干球温度湿球温度干球温度湿球温度制冷1273035241)352)24热泵制热404515.576—注1)适用于湿球温度对冷凝器热交换产生影响的机组(利用凝结水等的潜热作为热源形式的机组)。2)干球温度仅作为参考,补充水温30℃。3.3.2名义工况的其他规定a)机组名义工况时的使用侧和水冷式热源侧污垢系数为0.086m2·℃/kW。b)机组名义工况时的额定电压,单相交流为220V、三相交流为380V,额定频率为50Hz。3.3.3名义工况时制冷性能系数机组名义工况时的制冷性能系数不应低于表2的数值,兼有热泵制热机组不应低于表2规定值的95%。附加代号:由制造厂定名义制冷量:用阿拉伯数字表示,单位kW型式代号:按制冷剂种类分(见3.1.5)型式代号:按热源侧热交换方式分(见3.1.4)型式代号:按功能分(见3.1.3)型式代号:按压缩机类型分(见3.1.2)型式代号:按压缩机型式分(见3.1.1)冷水机组基本代号LSJB/T4329-199718表2名义工况的制冷性能系数W/kW压缩机类型往复活塞式螺杆式及其他旋转容积式机组制冷量kW≤45>45~116>116≤116>116~230>230水冷式340035003600365037503850风冷和蒸发冷却式2390248025702460255026404技术要求4.1一般规定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(或按用户和制造厂的协议)制造。4.2机组配套设备4.2.1由一台或多台容积式压缩机组成的压缩机电动机机组,并配有必需的润滑系统。a)封闭式压缩机用电动机:电动机封闭在制冷剂氛围中;b)开启式压缩机用电动机:电动机、联轴器或皮带轮或必需的齿轮等。4.2.2冷凝器(热泵制热时为蒸发器):水冷式冷凝器或风冷式冷凝器或蒸发冷却式冷凝器。4.2.3蒸发器(热泵制热时为冷凝器):制冷剂–水换热器。4.2.4其他配套设备a)调节机组制冷量所需要的控制设备(单台压缩机的小机组除外);b)满足安全法规所需的安全保护设备;c)机组的电器控制设备和有关仪表。4.3机组主要配套件4.3.1机组主要配套件应符合相应标准的规定。4.3.2制冷压缩机应符合以下标准:a)开启式和半封闭式制冷压缩机应符合GB10872、GB10875的规定;b)全封闭制冷压缩机应符合GB10079的规定;c)螺杆式制冷压缩机应符合JB/T
本文标题:JBT 4329-1997 容积式冷水(热泵)机组
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