ABB 沉余控制器fi840

ABB 沉余控制器fi840

结构组成：加热炉一般由辐射室、对流室、余热回收系统、燃烧器和通风系统等五部分组成。其结构通常包括：钢结构、炉管、炉墙（炉衬）、燃烧器、孔类配件等。其中，通风系统的作用是把燃烧用空气导入燃烧器，将废烟气引出炉子。它分为自然通风和强制通风两种方式。前者依靠烟囱本身的抽力，后者使用风机。

主要原理：利用燃料在炉膛内燃烧时产生的高温火焰与烟气作为热源，来加热炉管中流动的介质，使其达到规定的工艺温度。燃料从燃烧器喷出燃烧，产生高温火焰和高温烟气，高温火焰通过辐射将热量传给辐射室内的炉管，进而传给炉管内的介质。高温烟气由于烟囱的抽力或引风机的作用向上进入加热炉的对流室，通过对流的方式将热量传给对流室内的炉管，进而传给炉管内的介质。

CONVEX 809 TRANSMISSION TEST SET

HUAWEI QUIDWAY AR 18-30 ROUTER BRAND NEW AR 18 30

HUAWEI RT-SIC-1FEA 10/100M ETHERNET INTERFACE CARD NEW

IMEDIA S25-7000145 STREAM PROCESSOR CARD

HUAWEI QUIDWAY S1024 SWITCH 24 PORT S1000 SERIES NEW

HUAWEI RT-SIC-1E1-F 1x E1 INTERFACE SIC E1-F CARD NEW

CNT LCP4E-40 PROCESSOR MODULE 20501490 CHL-NAU 5401

LANNET LE-25/ST FIBER OPTIC TRANSCEIVER NEW LOT OF 17

CNT EIM3 INTERFACE MODULE 20501330 CHL-NAU 5401

CNT HSSI DTE INTERFACE MODULE 20501152 CHL-NAU 5401

CAVIUM NETWORKS CN1005 NITROX XL NHB SSL CARD CN 1005

HP CA245-03790 X-RITE DTP24GRH+ IN CARRIAGE ILD LP1 NEW

CAVIUM NETWORKS CN-PC1000 NITROX PRODUCATION SSL BOARD

IBM 07N6831 36.7GB 68 PIN ULTRA3 15K RPM SCSI DRIVE

RACAL INSTRUMENTS 1260-13 40 CHANNEL SWITCH VXI CARD

VAT 24328-KA41-0001 VACUUM ANGLE VALVE MINT CONDITION

VACUUM BARRIER CORPORATION LDC-1002

DUNEGAN / ENDEVCO PARAMETRIC METER MODEL 935

AIRSPAN MARCONI WipLL SPR 3.5GHZ INT FDD PN:09000004

ACOUSTIC EMISSION TECHNOLOGY 502 SIGNAL GATING UNIT

RACAL INSTRUMENTS 1260-14 DIGITAL I/O VXI MODULE TTL

MOTOROLA CPN5360 PROCESSOR CARD + IBM 6.5GB HARD DRIVE

CISCO IP/VC-3540-MC06 MULTIPOINT CONTROL UNIT IPVC3540

MOTOROLA PROCESSOR CARD + IBM 10.06 GB HARD DRIVE

TERAYON CU RF BOARD 7000050 FOR TERALINK

AUDIOCODES MP-100 MEDIA GATEWAY 8 FXS PORTS MP100B-8S

NB LINEAR KB12GUUOP OPEN TYPE SLIDE BUSH KB12 LOT OF 20

CISCO IP/VC-3540-MC03 MULTIPOINT CONTROL UNIT IPVC3540

CISCO IP/VC-3540-MC10 MULTIPOINT CONTROL UNIT IPVC3540

LINOS INVISION LENS 5,8/110 FOR MICROSCOPE

CELLWARE CELL-AAL1 VME MODULE PULLED FROM CELL-MASTER

CELLWARE CELL-SW4 VME MODULE PULLED FROM CELL-MASTER

CYCLONE MICROSYSTEMS CVME 965 BOARD WITH SQ08 & SQ42

CYCLONE MICROSYSTEMS CVME 965 BOARD WITH DUAL (2) SQ21

CELLWARE CELL-LIF-SO VME MODULE PULLED FROM CELL-MASTER

ERICSSON ROAH 219 102/1 MODULE PULLED FROM BFD CHASSIS

ARTESYN BajaSpan 10000212-00 8 PORT E1 BOARD

ERICSSON PKM 4610 PI DC/DC CONVERTER MINT LOT OF 19

WELLFLEET COMMUNICATIONS SSE 5410 MODULE

ERICSSON BMR 601 014 PWR MODULE PULLED FROM BFD CHASSIS

NUR MACROPRINTERS 27-5027 BRIDGE BOARD 20-5172

RISER BOND 2901B+ CABLE / FAULT LOCATOR

DELL SEAGATE STU42001LW 100/200GB TAPE W/ 4 CARTRIDGES

MOTOROLA MVME 334B VME BOARD 01-W3875B MVME334B