CJ_T 3017-1993 潜水电磁流量计.pdf

ÖлªÈËÃñ¹²ºÍ¹ú³ÇÕò½¨ÉèÐÐҵ±ê׼ DZˮµç´ÅÁ÷£¬¼Æ cJ/T 3017-1993 Submersible electromagnetic flowmeter 1Ö÷ÌâÄÚÈÝÓëÊÊÓ÷¶Χ ±¾±ê׼¹æ¶¨ÁËDZˮÐ͵ç´ÅÁ÷Á¿¼ÆµÄ¼¼ÊõҪÇó¡¢ÊÔÑé·½·¨¡¢¼ìκ¹æÔòºÍ±ê־¡¢°üװ¡¢ÔËÊä¡¢Öü´æµÄҪÇó¡£ ±¾±ê׼ÊÊÓÃÓÚÃ÷ÇþÄÚ²»¿ÉѹËõµ¼µçÁ÷ÌåÁ÷Å̲âÁ¿µÄDZˮÐ͵ç´ÅÁ÷Á¿´«¸ÐÆ÷(ÒÔϼò³Æ´«¸ÐÆ÷)Óëµç ´ÅÁ÷Á¿ת»»Æ÷(ÒÔϼò³Æת»»Æ÷)×é³ÉµÄDZˮÐ͵ç´ÅÁ÷Á¿±äËÍÆ÷(ÒÔϼò³ÆÒDZí)ºÍÓÉ´«¸ÐÆ÷¡¢·ÂÕæDZˮ Ð͵ç´ÅÁ÷Á¿´«¸ÐÆ÷(ÒÔϼò³Æ·ÂÕæ´«¸ÐÆ÷)Óëת»»Æ÷×é³ÉµÄDZˮÐ͵ç´ÅÁ÷Á¿²âÁ¿ϵͳ(ÒÔϼò³Æϵͳ)¡£ ±¾±ê׼²»ÊÊÓÃÓÚÀÞÈËʽµç´ÅÁ÷Á¿²âÁ¿ÒDZí. 2ÒýÓñê׼ GB 4208Íâ¿Ç·À»¤µÈ¼¶µÄ·ÖÀà GB 4451¹¤ҵ×Ô¶¯»¯ÒDZíÕñ¶¯(ÕýÏÒ)ÊÔÑé·½·¨ ZBY 002ÒÇÆ÷ÒDZíÔËÊä¡¢ÔËÊäÖü´æ»ù±¾»·¾³Ìõ¼þ¼°ÊÔÑé·½·¨ ZBY 003ÒÇÆ÷ÒDZí°üװͨÓü¼ÊõÌõ¼þ GB 2829ÖÜÆÚ¼ì²é¼ÆÊý³éÑù³ÌÐò¼°³éÑù±í GB 191°üװ´¢ÔËͼʾ±ê־ ZBY 247ÒÇÆ÷ÒDZíÓë×Ô¶¯»¯װÖÃÊõÓï(¹¤ҵ×Ô¶¯»¯ÒDZíÊõÓï) ZB N12 007µç´ÅÁ÷Á¿¼Æ GB 9248²»¿ÉѹËõÁ÷ÌåÁ÷Á¿¼ÆÐÔÄÜÆÀ¶¨·½·¨ ZBY 092¹¤ҵ×Ô¶¯»¯ÒDZíµç´Å¸ÉÈż°µçԴ»û±äӰÏìÊÔÑé·½·¨ S678Ӳ¾ÛץÒÒϩ¹Ü²Ä ZB N10 006¹¤ҵ×Ô¶¯»¯ÒDZí²úƷÐͺűàÖÆԭÔò 3ÊõÓï ³ý²ÉÓÃZB Y247Í⣬±¾±ê׼»¹²ÉÓÃÏÂÁÐÊõÓï¡£ 3.1²âÁ¿¹Ümeter tube ´«¸ÐÆ÷ºÍ·ÂÕæ´«¸ÐÆ÷ÖÐͨ¹ý±»²âÁ÷ÌåµÄ¹Ü²¿. 3.2µ¼Á÷Åç×ìinlet flow nozzle °²װÔÚ²âÁ¿¹ÜÈ˿ںͳö¿Ú´¦µÄÅç×ì¡£ 3.3·ÂÕæ´«¸ÐÆ÷dummy transducer Óë´«¸ÐÆ÷¼¸ºÎ³ß´ç¡¢ˮÁ¦ѧÌØÐÔÍêȫÏàͬ£¬µ«Î޵缫¡¢Àø´ÅÏßȦµÈ²âIt²¿·Ö£¬ÔÚ²âitÖÐÆðÀ©´óÁ¿³Ì£¬ ½µµÍˮͷ×÷ÓõķÖÁ÷ģÐÍ¡£ 3.4ÕûÁ÷°åstraightener ÉèÖÃÔÚÃ÷ÇþÖУ¬¸ÄÉÆÁ÷ÌåÁ÷¶¯״̬µÄ¶à¿×դ°å¡£ ÖлªÈËÃñ¹²ºÍ¹ú½¨É貿1993-05-03Åú׼ 1993-12-01ʵʩ CJ/T 3017-1993 4 ²úÆ··ÖÀ༰´úºÅ 4.£¬ ÐÍʽ 4.1.£¬ ´«¸ÐÆ÷ΪÑÍûÔÚ±»²âÒºÌå ÖÐÈ«ÃÜ·âµÄDZˮ½á¹¹ÐÍʽ¡£ 4.1.2 ת »»Æ÷Ϊǽ¹Ò»òÖùװ½á¹¹ÐÍʽ¡£ 4.2 ²úÆ·´úºÅ Ӧ·ûºÏZB N10 006µÄ¹æ¶¨ 4.3 »ù ±¾²ÎÊý 4²·3.1 ¹« ³Æͨ¾¶DN(mm) a. ´« ¸ÐÆ÷ 50,100,200,400,600, b£¬ ·Â Õæ´«¸ÐÆ÷ 50,100,200,400,600, 4.3.2 Á÷A ²âÁ¿·¶Î§ a. µ¥Ì¨´«¸ÐÆ÷ʹÓà ʱ£¬Á÷Á¿²â×ΧÉÏÏÞÖµ»»ËãΪÁ÷ËÙÓ¦ÔÚ1^10 m/s·¶Î§ÄÚÈÎÒâÑ¡¶¨£¬ÏÂÏÞÖµ µÄÁ÷Ë٠ΪÉÏÏÞÖµµÄ100^'500, b. һ ̨´«¸ÐÆ÷ÓëN(N¡¶9)̨·ÂÕæ´«¸ÐÆ÷¹²ÓÃʱ£¬Á÷Á¿·¶Î§ÉÏÏÞֵΪµ¥Ì¨´«¸ÐÆ÷µÄ(N+1)±¶¡£ 4.3.3 ¾«È·¶È ¾«È·¶È µÈ¼¶Ó¦·ûºÏ±í1µÄ¹æ¶¨¡£ ±í 1 ÊÊÓÃÇé¿ö ¾«È·¶ÈµÈ¼¶ »ù±¾Îó²îÏÞ ÒÇ ±í 1.5 f³ÌµÄ ʿ1.5% ϵ ͳ