·þÎñÈÈÏß
86-21-54488867 / 4008202557
DL/T 799.5-2019 µçÁ¦ÐÐÒµÀͶ¯»·¾³¼à²â¼¼Êõ¹æ·¶ µÚ5²¿·Ö: ¸ßμà²â
·¶Î§
±¾²¿·Ö¹æ¶¨Á˵çÁ¦ÐÐÒµ¹¤×÷³¡Ëù¸ßμà²âµÄ¼ì²âÄÚÈÝ¡¢¼ì²âÒÇÆ÷¡¢¼ì²â·½·¨¡¢¼ì²âµãÉèÖᢼì²â½á¹û¼ÆËã¡¢¼ì²â½á¹ûÆÀÅС£
±¾²¿·ÖÊÊÓÃÓÚµçÁ¦ÐÐÒµÖлðµç³§¡¢¹©µçÆóÒµµÈ¹¤×÷³¡Ëù¸ßεļà²âºÍÆÀÅУ¬ÆäËûµçÁ¦ÆóÒµ²ÎÕÕÖ´ÐС£
ÊõÓïºÍ¶¨Òå
GBZ/T 224 ½ç¶¨µÄÒÔ¼°ÏÂÁÐÊõÓïºÍ¶¨ÒåÊÊÓÃÓÚ±¾²¿·Ö¡£ÎªÁ˱ãÓÚʹÓã¬ÒÔÏÂÖظ´ÁгöÁË GBZ/T 224 ÖеÄijЩÊõÓïºÍ¶¨Òå¡£
¸ßÎÂ×÷Òµ work (job) under heat stress
ÓиßÆøΡ¢»òÓÐÇ¿ÁÒµÄÈÈ·øÉä¡¢»ò°éÓиßÆøʪÏà½áºÏµÄÒì³£ÆøÏóÌõ¼þ¡¢WBGTÖ¸Êý³¬¹ý¹æ¶¨ÏÞÖµµÄ×÷Òµ¡£
[GBZ/T 224-2010£¬¶¨Òå3.7.1.4]
Éú²úÐÔÈÈÔ´ industrial hot source
ÔÚÉú²ú¹ý³ÌÖÐÄܹ»²úÉúºÍÉ¢·¢ÈÈÁ¿µÄÉú²úÉ豸¡¢²úÆ·ºÍ¹¤¼þµÈ¡£
ÌåÁ¦ÀͶ¯Ç¿¶ÈÖ¸Êý intensity Index of physical work
Çø·ÖÌåÁ¦ÀͶ¯Ç¿¶ÈµÈ¼¶µÄÖ¸Êý¡£Ö¸Êý´ó£¬·´Ó³Ö°¹¤ÌåÁ¦ÀͶ¯Ç¿¶È´ó£»Ö¸ÊýС£¬·´Ó³Ö°¹¤ÌåÁ¦ÀͶ¯Ç¿¶ÈС¡£
¼ì²âÄÚÈÝ
¸ßÎÂ×÷Òµ¸ÚλµÄʪÇòºÚÇòζÈÖ¸Êý(WBGTÖ¸Êý)¡£
¼ì²âÒÇÆ÷
WBGTÖ¸Êý²â¶¨ÒÇ£¬WBGTÖ¸Êý²âÁ¿·¶Î§Îª21¡ãC~49¡ãC£¬¿ÉÓÃÓÚÖ±½Ó²âÁ¿¡£
¸ÉÇòζȼÆ(²âÁ¿·¶Î§Îª10¡ãC¡«60¡ãC)¡¢×ÔȻʪÇòζȼÆ(²âÁ¿·¶Î§Îª5¡ãC¡«40¡ãC)¡¢ºÚÇòζȼÆ(Ö±¾¶Îª150mm»ò50mmµÄºÚÇò£¬²âÁ¿·¶Î§Îª20¡ãC¡«120¡ãC)¡£·Ö±ð²âÁ¿¸ÉÇòζÈta¡¢×ÔȻʪÇòζÈtnwºÍºÚÇòζÈtgÈýÖÖζȣ¬Í¨¹ý¹«Ê½(1)»ò¹«Ê½(2)¼ÆËãµÃµ½WBGTÖ¸Êý(¡ãC)¡£
ÊÒÍâ: WBGT=0.7tnw+0.2tg+0.1ta........................(1)
ÊÒÄÚ: WBGT=0.7tnw+0.3tg....................................(2)
¸¨ÖúÉ豸: Èý½Å¼Ü¡¢ÏßÀ¡¢Ð£ÕýÄ£¿é¡£
¾©¶¼µç×ÓKEM WBGTÖ¸Êý²â¶¨ÒÇ WBGT-302