状态的转换靠控制名阀门的动作，其受控阀门及三种状态对应的阀门状态符合工艺要求。实现三座热风炉的相互联锁，促进高炉的稳定生产，主要是冷风联锁功能。并通过工艺参数的设定，保障热风炉燃烧制度的实现。实现热风炉状态转换的阀门联锁和自动开关，

ALLEN BRADLEY 1771-IVN INPUT MODULE 1771IVN NIB

ALLEN BRADLEY 1794-OF4I OUTPUT MODULE SERIES A

AUTOMATED PACKAGING SYSTEMS 56857A1 ROLLER – PRINTING F

FANUC IC610CHS130A RACK W/ HI CAP POWER SUPPLY/10

FACTS ENGINEERING F4-CP128-1 COPROCESSOR F4CP1281 NIB

ALLEN BRADLEY 1771-IS MULTIPLEXER MODULE 1771IS

NIB CUTLER-HAMMER HMCP015E0 MOTOR CURCUIT PROTECTOR

MERLIN GERIN MULTI 9 C60N CIRCUIT BREAKER CAT NO. MG241

HONEYWELL 621-0010 ANALOG OUTPUT MODULE 6210010 REPAIRE

NUMATICS 12DSA602KA VALVE MODEL NO. 12DSA621KA, .17

PARTLOW 14003104 TEMPERATURE CONTROLLER 806380 LNC

AEG MODICON S908-000 REMOTE I/O PROCESSOR S908000

MODICON AS-884A-101 CPU MODULE AS884A101

GOULD/MODICON AS-P800-003 POWER SUPPLY ASP800003

FURNAS 42DE15AF106 MAGNETIC CONTACTOR 2POLE NIB

HEINEN ELEKTRONIK RELA24 K1 832.750 PC BOARD RELA24 609

KAJAANI SR 902660 POWER SUPPLY SR902660 U4430489 V1.0

TOSHIBA ARNI-889E DRIVE CONTROL BOARD 2N3A2276-C ARNI88

RELIANCE ELECTRIC 0-52860-2 VOLTAGE SOURCE ANALOG CARD

BIHLER KT-P 3516 V0005 122-85-0033.9 BOARD KTP3516

PARKER GFG2PKCS1.6-10 HYDRAULIC VALVE NIB