AIO288巴赫曼
厦门莫格电气自动化有限公司
:雷琳
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罗克韦尔自动化ICS Rockwell trusted系统(Allen-Bradley)可编程控制器( PLC)、交换机!、
施耐德(schneider Modicon Quantum)交换机、过程控制可编程控制器( PLC),以太网自动化控制器,处理器等!
honeywell霍尼韦尔DCS卡件 FSC DO TPS系列 HIMA黑马DCS控制系统 YOKOGAWA横河 CS3000 DCS系列
伍德沃德WOODWARD 505Turbine Control 数位式调速板,控制器,直流调速器!
艾默生EPRO卡件/A6312/A6110/A6120/A6210/A6220系列前置器/探头
GE电气90/30系列 90/70系列 GE燃机备件IS200 DS200 IS215 DS215 DEH控制卡汽轮机备件
本特利bently3500系列机械保护系统
艾默生DeltaV 西屋OVATION系统备品备件 TRICONEX/TRICON/福克斯波罗DCS
Robots、OTC Robots、Panasonic Robots、MOTOMAN Robots等
ABB:工业机器人备件DSQC系列(中二中三,中四, S4C , S4C , IRC5)、Bailey INFI 90等。
Westinghouse(西屋): OVATION系统、WDPF系统、MAX1000系统备件
Invensys Foxboro(福克斯波罗):I/A Series系统,FBM(现场输入/输出模块)顺序控制、
梯形逻辑控制、事故追忆处理、数模转换、输入/输出信号处理、数据通信及处理等。
Invensys Triconex: 冗余容错控制系统、基于三重模件冗余(TMR)结构的zui现代化的容错控制器。
Siemens(西门子):Siemens MOORE, Siemens Simatic C1,Siemens数控系统等
Bosch Rexroth(博世力士乐):Indramat,I/O模块,PLC控制器,驱动模块等。
Motorola(摩托罗拉):MVME 162、MVME 167、MVME1772、MVME177等系列
一、引言
随着国民经济的不断发展和人民生活水平的日益提高,城市居民对居住环境的要求越来越高。 集中供热是近年来国家提倡和要求的一项节能和环保工程,集中供热改变了过去由单位锅炉供热造成的烟尘污染、供热效率低下和难于管理等缺点;改由城市周边的热电厂的供热机组提供热源,在城市中建设热交换站统一向用户供热。集中供热系统具有热惯性大、滞后明显以及受温度、天气因素干扰较大等特点,使得整个系统调节控制难度增大,并且传统的换热控制大多数采用继电器、变频器等进行简单控制,系统调节*凭以往积累的经验,运行维护的成本过高,效率低下。针对热网调节中上述的状况,采用计算机监控管理系统对热网实行集中监控是一种行之有效的方法。
由我公司承担设计和调试的华北及东北地区近百个生活小区换热站控制系统均采用了目前自控行业的产品“一体化控制器”和GPRS技术,使该控制系统的各项功能指标得到了显著的提升,该系统的特点如下:
Ø 监控中心计算机通过各现场控制设备实时采集现场数据,监控整个供热系统的关键数据,对热网的水力工况和热力工况进行综合分析,然后根据热力缝补状况及时调整供热温度等参数,协调整个系统稳定、可靠的运行,充分发挥系统的zui大效能,降低成本。
Ø 在地理位置相对分散的各换热站中采用美国HORNER公司的一体化控制器(OCS)进行现场控制,通过*的PID算法,克服了传统PID控制器时间常数过大,调节惯性大,容易超调产生大幅度振荡等缺点,同时通过一体化的人机界面现场显示和操作十分方便。
Ø 通过串行通信协议与现场多台变频器进行实时通讯,采集变频器的关键参数并不断进行调整,使水泵工作在状态下。
Ø 在数据传输方面,通过*的GPRS网络与中心计算机实时通讯,节约了大量布有线网络所造成的时间、人力、资金的消耗。下面就针对上述几部分内容进行详细的说明。
二、高度集成的一体化控制-“ALL IN ONE”新理念
在本换热系统中主要采用了美国HORNER公司 XL系列的两款主流产品,小巧的紧凑型HEXE103控制器,和具有5.7寸真彩色触摸屏的HEXL103控制器。这些产品的特点都是把传统的PLC控制器、人机界面HMI、输入输出点I/O和网络Network集成到一起,所以称之为“一体化控制器(OCS)”,仅用一套编程软件就可以对整个系统的硬件配置、逻辑程序、网络连接和人机界面进行配置和编程,并且该软件是免费的。系统配置图如下,其中HEXE103带有一个小的操作员界面(128x64背光显示,带有16个功能键),可显示图形或曲线,HEXL103带有5.7寸真彩色触摸屏界面,这两款控制器均带有内置I/O:12点直流输入(正/负逻辑)兼容12/24伏,12点直流输出(每通道zui大0.5A), 2通道10-bit模拟输入(0-10V/4-20mA). 2路脉冲/PWM输出功能,另外还可配置4路高速计数器(10kHz),内置2个的RS232/485接口,支持PLC/Drive通讯协议和一个大容量可移动存储器插槽(支持miniSD卡)。内置的CsCAN网络端口用于高速通讯和I/O扩展。每个控制器都是直流供电。它们可以面板安装或DIN导轨安装。另外新增加的内置以太网功能可支持Web浏览和FTP功能,该功能可以轻松实现远程维护和监控。
6m length of 3in suction hose camlock one end and strainer the other
Flowmax Dry Break Connector Coupling
Internally sleeved stainless expansion bellows 10" DN 250mm
Keystone 14" inch F990 CEE2 wafer Butterfly Valve PN 500 kPa DN 350 New
18" inch pipeline pipe test isolation plug p.n 100-18
Keystone 24" inch Butterfly Valve PN 500 kPa DN600 600mm
Keystone 10" inch DN 250 Butterfly Valve PN 350 kPa F990 CEE2
2 x 20m roll of 6" 150mm Inch Grey PVC Suction Hose 40m NEW but some damage
EST GT-6P40 6" 6 Inch High Pressure Pipe Tube Pipeline test plug
EST GT-8P20 8" 8 Inch High Pressure Pipe Tube Pipeline test plug
Pair of Gas Pipeline Pig Launcher receiver 300mm suit 250NB pipe lines 190Bar
3" inch 80mm DN80 shouldered grooved victaulic style pipe coupling clamp NEW
6" inch 150mm DN150 quick release shouldered grooved pipe coupling clamp New
6" inch 150mm DN150 shouldered grooved victaulic type pipe coupling clamp NEW
10" inch 250mm DN250 shouldered grooved victaulic type pipe coupling clamp New
Promet 12" INCH DN300 300mm TABLE E CAST STEEL VALVE BRONZE GATE & SEAT
2 1/2" 2.5 in DN65 flanged Y strainer and rubber coupling
1.5" Inch 38mm Ball Compressed air Valve SL Claw coupling 26/061/02/038 LH
1" Inch 25mm Full Flow Ball Valve 26/061/02/025/L?HX
1" Inch 25mm Ball Valve SL claw compressed air coupling
New roll of 20M Acid Delivery MQAD090 Hyperlon Hose 90mm
New roll of 38mm 1.5" inch rubber Air Water Hose 20M MQAW038
New roll of 38mm 1.5" inch rubber Compressed Air Water Hose 20M MQAWY038 yellow
New roll of 75mm 3" inch rubber Air Water Hose 20M MQAW075
New 20m roll of 50mm 2" inch Fire Resistant AS suction delivery hose MQAWFRSD
New roll of 38mm 1.5" inch Fire Resistant AS suction delivery hose MQAWFR038 20M
New roll of 100mm 4" inch concrete suction hose 10M
New roll of 20M 63mm 2.5" inch Acid Delivery MQAD063 Hyperlon Hose
Large Roll of Iplex Poliplex DN110 PN16 PE100 Hose pipe pipeline
3 inch 3" Dresser pipe pipeline clamp coupling type 38
8 inch 8" Gasket pipe pipeline clamp coupling type 1113XH
12 inch 12" Dresser type 38 pipe pipeline clamp coupling 115 XH
24 inch 24" Dresser type 38 pipe pipeline clamp coupling 600mm
Dresser type 38 pipe pipeline clamp coupling 0038 0111 315 400mm
Ductile Iron GGG pipe pipeline clamp coupling 280mm-306mm
New roll of Total rubber RWS1 100mm rubber suction hose
3 inch Fig 602 Butweld hammer union
3m Length of DN100 Schedule 80 Hasloy C276 Super Stainless Pipe
Connex Loading Systems FO143 Tanker LPG liquid fuel loading boom 75mm 3"
Rotary Joint union self aligning Swivel Barco BE-32010-12-23 3/4" inch 16-03179
Rotary Joint Union Self aligning Swivel Barco BE-32007-12-23 Type 7S 8BS 3/4"
Rotary Joint Union Self aligning Swivel Barco BE-32007-12-23 3/4" inch 16-03179
Rotary Joint union self aligning Swivel Barco BE-32007-08-24 1/2" inch
Rotary Joint Union Swivel Barco BE-32011-12-23 3/4" inch 7AS-8CS Self Align
Lurgi PTFE teflon lined 8" 200mm flanged pipe expansion coupling joint Bellows
BV 6" INCH flanged cast steel with bronze gate valve
BV 6" INCH flanged gate valve DN150 W0092 B600E
4" INCH flanged globe valve DN100
3" inch gate valve 80mm Dreadnought 425 deg C max 3500 CWP kPa
Keystone 24" DN600 Stainless Butterfly Valve 46mm shaft diameter 240 00-000
Stainless steel fabricated 30" inch butterfly valve
150DN 6" inch gate valve John CL21 SG
3" inch gate valve 8056001
Flanged Pipe with bends 100mm 4" Inch
New roll 25mm 1" inch rubber Coal Fire Resistant Anti Static Hose 20m AS2660B
Butyl Rubber Putty roll Bostik Aust P/L 2 strips 25.4mm x 3.175mm x 3.05m
QTY of 5 x 3/4" inch 19mm bellow seal A type claw air couplings stainless steel
Minquip QTY of 10 2" inch 50mm Steel A type camlock connector 04/050/LGSS/A
Minquip QTY of 10 2" inch 50mm Steel F Type camlock connector
Minquip QTY of 25 1" inch 25mm A type bellow seal claw air fittings dark zinc
2 1/2' 2.5" inch 65mm 316 Stainless Steel A type camlock coupling 04/065/55A
Minquip 2.5"inch 65mm 316 Stainless Steel B type camlock connector 04/065/SS/B
Minquip 2.5"inch 65mm 316 Stainless Steel C type camlock connector 04/065/SS/C
Minquip 2.5"inch 65mm 316 Stainless Steel E type camlock connector 04/065/SS/E
Minquip 2.5"inch 65mm 316 Stainless Steel F type camlock connector 04/065/SS/F
Minquip 2"inch 50mm 316 Stainless Steel A type camlock connector 04/050/SS/A
Minquip 2"inch 50mm 316 Stainless Steel B type camlock connector 04/050/SS/B
Minquip 2"inch 50mm 316 Stainless Steel D type camlock connector 04/050/SS/D
Minquip 2"inch 50mm 316 Stainless Steel DC type camlock connector 04/050/SS/DC
Minquip 2"inch 50mm 316 Stainless Steel F type camlock connector 04/050/SS/F
New Minquip Heavy duty 1" Inch 25mm Acid Delivery hose MQAD025 20M
QTY of 6 x 3" Inch 80mm Poly C Type Camlock hose tail
QTY of 8 x 3" Inch 80mm Poly E Type Camlock hose tail
10m roll of 6" 150mm Inch Grey PVC Suction Hose NEW
10m roll of 8" 200mm Inch Grey PVC Suction Hose NEW MQSD200SG
10m length of 8" 200mm 8 Inch Bulk Material Handling Hose New- damaged one end
Cidat 10" Inch 250mm Bulk Material Suction delivery hose $175 per metre (19m av)
NEW roll of 3/4" Inch 19mm Fuel / Oil Suction delivery hose MQFOSDO19 20m
10m length of 8" 200mm 8 Inch rubber Bulk Material Handling suction Hose New
NEW roll of 1 1/2" Inch 38mm Fuel/Oil Suction delivery hose MQFOSDO38 20m
NEW roll of 1 1/2" Inch 38mm Fuel/Oil Suction delivery hose MQFOSDO38 15m
NEW roll of 3" Inch 75mm Fuel/Oil Suction delivery hose MQFOSDO75 20m
NEW roll of 3" Inch 75mm Fuel/Oil Suction delivery hose MQFOSDO75 5m
NEW roll of 2" Inch 50mm Fuel/Oil Suction delivery hose MQFOSDO50 14m
NEW roll of 2" Inch 50mm Fuel/Oil Suction delivery hose MQFOSDO50 6m
20m roll of 4" 100mm 4 Inch Grey PVC Suction Hose NEW
20m roll of 3" Inch 75mm Air water FRAS Coal Mining Hose
Filton Seal kit .5in & .75in Rotary Joint Union Swivel Types RE and CB S1100/2
Filton 2in Rotary Joint Union Swivel dual flow type REB/ST 17238R
Filton 2in Rotary Joint Union Swivel dual flow type REB/ST 17238R Recon & Run in
Filton 2in Rotary Joint Union Swivel dual flow type REB/ST 17238R Recon & Run in
Filton 2in Rotary Joint Union Swivel single flow type 17350 C17238-11 C18325-1
Filton 0.75in Rotary Joint Union Swivel dual flow type PB/ST 18470R
Filton 1.25in Rotary Joint Union Swivel dual flow type RE/BE 14379
Filton 0.5in Rotary Joint Union Swivel Single flow type RE?BE 14536
Filton 1in Rotary Joint Union Swivel dual flow high temp type CB/ST 14386