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　　在现代制药工业的生产过程中，不可避免地要使用大量的化学与生物制剂，这带来的一个结果是在生产的每个步骤都会排放出成分复杂的尾气，以挥发性有机化合物(VOC)居多。如何处理含VOC的尾气，成为企业面临的一大环保难题。国内目前主要采用热氧化法的处理方式，即蓄热式热力焚化炉(英文名为“Regenerative Thermal Oxidizer”，简称为“RTO”)
　　二、RTO工作原理
　　把有机废气加热到760摄氏度以上，使废气中的VOC在氧化分解成二氧化碳和水。废气首先通过蓄热体加热到接近热氧化温度，而后进入燃烧室进行热氧化，氧化后的气体温度升高，有机物基本上转化成二氧化碳和水。净化后的气体，经过另一蓄热体，温度下降，达到排放标准后排放。不同蓄热体之间通过切换阀，随时间进行转换，分别进行吸热和放热。氧化产生的高温气体流经特制的陶瓷蓄热体，使陶瓷体升温而“蓄热”，此“蓄热”用于预热后续进入的有机废气，从而节省废气升温的燃料消耗。陶瓷蓄热体应分成两个(含两个)以上的区或室，每个蓄热室依次经历蓄热-放热-清扫等程序，周而复始，连续工作。蓄热室“放热”后应立即通过反吹风机对该蓄热室进行清扫(以保证VOC去除率在95%以上)，只有待清扫完成后才能进入“蓄热”程序。RTO设备的工作流程见下图：
　三、控制要求和方法
　　3.1. 燃烧器控制
　　氧化室安装一个带比例调节的天然气燃烧器。燃烧器的供热量是用氧化室温度，经过PID调节器自动调节，当燃烧器运行时，燃烧器PID的SP外给定值(TE05_AM)等于SP外给定值+升温速率设定值/120。按照升温曲线进行升温。否则，SP外给定值等于氧化室温度。如果SP外给定值超过TE05_S10(氧化室温度--理想控制温度设定)，那么TE05_S10直接赋值给TE05_AM(SP外给定值)，进行温度限制。此外，燃烧系统还带有熄火保护、超温报警和超温自动停燃烧器等功能。
3.2.进气、出气、清扫流程的切换
　　该设备有三个蓄热室，一个公共氧化室，有机废气通过鼓风机送入蓄热室1，吸热后进入氧化室，蓄热室1因放热而降温，燃烧升温后的气体进入蓄热室2，通过热交换把热量蓄存在蓄热室2的陶瓷蓄热体中，处理后的气体经后续处理合格后烟囱排空。同时蓄热室3空间中残留未处理的VOC废气被反吹风机吹回氧化室焚化处理。经过一段时间(约2分钟(可设定))后，气流改变方向从蓄热室2进入氧化室，通过蓄热室2吸收热量升温后，在氧化室内高温焚化，最后经蓄热室3热交换后排放，同时蓄热室1处于清扫状态，经过一段时间(约2分钟(可设定))后，气流再次改变方向，不断的交替循环，保证氧化室温度在800℃以上，以此保证高的去除率和换热效率。程序如下图：

THOMSON INDUSTRIES AT014-005-S0-6000 NSFP AT014005S06000

ALLEN BRADLEY 1326AB-B420-ES2K4L USPP 1326ABB420ES2K4L

CUTLER HAMMER ECN2419CAD NSPP ECN2419CAD

SIEMENS A1-116-180-502 NSPP A1116180502

MODICON 140-MSB-101-00 USPP 140MSB10100

SIEMENS 6SE6-430-2UD31-8DA0 NSPP 6SE64302UD318DA0

Returns: Accepted within 7 days

Siemens 6ES5-373-1AA81 USPP 6ES53731AA81

SIEMENS 6ES5 451-4UA12 6ES54514UA12

SIEMENS Westinghouse NLPS-2707 6ES5 1 Power Supply

Siemens Output ModuleS5-110 6ES5 415-7AB11 WARRANTY

Siemens 6ES7 307-1BA00-0AA0

Siemens PC670 6AV7614-0AB22-0CG0

PWR-C45-1300ACV CATALYST 4500 1300W AC POWER SUPPLY WITH INLINE POWER

GSM Modem Pool 8 Ports RS232 PCI interface Wavecom Module AT Commands Q2303A

Tripp Lite B078-101-PS2 PS/2 Server Interface Module

Siemens 6AV3 535-1TA01-0AX0 Membrane Keypad

Siemens Inverter 6SE6 420-2UC25-5CA1 in Box

Modicon SW-APPR-XXX

Schneider Modicon GOULD 800 SERIES 7 SLOT RACK AS-H819-007

Schneider Modicon ASM84A001 Controller AS-M84A-001

Schneider Modicon AS-E381-904 NSPP ASE381904

Schneider Modicon AS-S908-110

Schneider Modicon AS-B236-501

Schneider Modicon NUL 200/AS-BNUL-200 BLANK UNIT PREWIRING 16X1 NIB

Schneider TSX08EAV8A2 Telemecanique NESA PLC NIB

Schneider Modicon Lexium 17D HP Servo Drive MHDA1112N00

PLC DIRECT D0-06AR USPP D006AR

SIEMENS 6ED1-055-1HB00-0BA0 6ED10551HB000BA0 LOGO DIGITAL IN/OUTPUT MODULE

SIEMENS 6FC5370-0AA00-0AA0 SINUMERIK 802D /PCU 210.3

GM VCIM Module LG 22794713 Chevrolet Chev Traverse Communication Bluetooth

SIEMENS SIMODRIVE E/R MODUL INT. 36/47KW 6SN1145-1BA02-0CA0

SIEMENS Sinumerik 6FC9302-2BB-01 Terminal Blocks.

SIEMENS / MOORE IDM 39IDM115ACCAN APACS INPUT DISCRETE MODULE -GUARANTEED

Allen-Bradley PanelView 1200 Operator Interface 2711TC1MC

591S/1100/9/1/0/00 EUROTHERM DRIVES DC DRIVE

ABB VIDEO CONTROLLER BOARD 57088478 VD86-SCAN 57287977 H NIB

A06B-0163-B575#7000 FANUC SERVO MOTORS

75 HorsePower Phasemaster Rotary Phase Converter

RELIANCE ELECTRIC 45C-315 USPP 45C315

ALLEN BRADLEY 1785-V40V USPP 1785V40V

ALLEN BRADLEY 1745-LP153 NSPP 1745LP153

GIDDINGS & LEWIS 502-03814-40R1 USPP 5020381440R1

UNITED TECHNOLOGIES TVD6-200-10BL USPP TVD620010BL

TELEMECANIQUE TLC6322F212111 NSPP TLC6322F212111

FOXBORO P0970EJ USPP P0970EJ

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SIEMENS 6ES5 393-0UA14

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REMAN Allen Bradley 1756-L62 /B ControlLogix Processor 4MB

Texas Instruments 305-01T

Spirent Adtech AX/4000 400301 ATM OC-3c Single Mode Interface

VMETRO VME Midas M120R-16D2 with I/O module DPIO-LI/32k/16bit

Siemens C98043-A1001-L5 09 Board

Modicon AS-T984-107

Schneider Modicon AUTOMATION DEP 216 AS-BDEP-216 DISCRETE INPUT 16X24 VDC

Schneider Modicon TSX DISCRETE OUTPUT MODULE AS-BDAP-217

Schneider Modicon AS-BADU-206 NSFP ASBADU206

Schneider Modicon AS-B824-016

Schneider Modicon POWER SUPPLY AS-P840-000 ASP840000 115/230V

Schneider Modicon AS-S908-000 REMOTE I/O PROCESSOR GOOD TAKEOUT

Schneider 140ACI03000 140ACI03000R NIB

SELECTRON DIC-701 8PT INPUT MODULE 24VDC NIB

Reliance 57401 57401-1B Digital I/O Module NIB

Siemens 6ES7 322-1FF010AA0 Output Module

SIEMENS SINUMERIK 800 6FX1126-1AA03 6FX11261AA03

NOTIFIER CCM-1 COMMUNICATION CONVERTER MODULE CCM 1

SIEMENS Simodrive 611 6SN1118-0NJ01-0AA1 Free Ship

SIEMENS SINUMERIK OP010S 6FC5203-0AF04-0AA0 Membrane Keypad

SIEMENS Fujitsu CA06600-E344 300Gb 15K.6 FC Fibre Channel hard drive HDD H-Plug

ALLENBRADLEY1771-OAD/C120VOUTPUTMODULE

ALLEN BRADLEY SLC-500 1746-OA8 SERIES A OUTPUT MODULE

ABB POWER 6TERMINAL MEDIUM VOLTAGE GROUND TEST DEVICE 3000A SWITCHGEAR B204772

YSI Incorporated 2700D Select 230v Biochemistry Analyzer U

+GF+ George Fischer 317 Diaphram Valve PN: 175 317 057

MODICON AS-9003-180 NSFP AS9003180

ALLEN BRADLEY 1395-B63-D1-PZ USPP 1395B63D1PZ

HARMONIC DRIVE 472448-1 NSFP 4724481

GE FANUC IC3600STDC1 NSFP IC3600STDC1

SIEMENS 6SE7-022-6TP70 USPP 6SE70226TP70

SIEMENS 6AV7722-1BC10-0AB0 USPP 6AV77221BC100AB0

ALLEN BRADLEY 1746-NIO4V FNFP 1746NIO4V

Siemens 6ES5 923-3WB 11 CPU

Siemens S5 6ES55353MA12 6ES5-535-3MA12 COMM PROCESSOR

SIEMENS 6ES5-482-8MA13 USPP 6ES54828MA13

Siemens 6ES5 431-8MA11

Siemens S5-101U Central Controller 6ES5 101-8UA33 PLC S5101U 1018UA33

Siemens Display 6GF6100-1BV

Schneider Modicon TSXDEY32D2K Premium 32 24VDC Input

Square D 8884 SOM-221

SIEMENS 6ES5-312-5CA21 INTERFACE MODULE 6ES53125CA21

WE SHIP SAME CISCO WS-C3750-24TS-S CATALYST 3750-24TS SWICTH 1 YEAR WARRA

SIEMENS 6GK7-343-1HX00-0XE0 6GK73431HX000XE0

Siemens TP27 6AV3627-1QK00-2AX0 Display Panel

Schneider Modicon TSX Compact DTA210/AS-HDTA-201 6 Slot Subrac

Schneider Modicon AS-BDAU-202 OUTPUT MODULE ASBDAU202

Schneider Modicon AS-B814-108 NSPP ASB814108

Schneider Modicon Remote I/O Processor AS-P451-622 -DI-

Schneider Modicon AS-P464-002/ASP464002 Monitor with control

Schneider Modicon AS-BDAP-212 8x24 VDC Discrete Combi DAP-212

Schneider TSX Momentum 170-DNT-110-00 170-ADO-350-00 Adapter and Output Module

SIEMENS 6ES7 321-1BH02-0AA0 DIGITAL INPUT MODULE

SALE i7-3770K 8G 1T128G SSD GTX560/1G Overclock Gaming/Business Computer

Siemens display TD 200C

SIEMENS SINUMERIK 810 I/O BOARD 6FX 1126-5AA

Sencon CIM-801-LC Communication Module WOW

SIEMENS 6SN11461AB000BA1 NNB

SIEMENS 6SC6500-0NA02 Simodrive 6SC 6500 drive board

SIEMENS 6FC5112-0EA03-0AA0 USPP 6FC51120EA030AA0

ALLENBRADLEYDCOUTPUTMODULEMODEL1771-OBDC

ALLEN BRADLEY WC-1-0 USPP WC10

ABB DSQC 345 A 3HAB8101-1 Atlas Copco Servo Drive Unit SC4 Robot DSQC345A

ADJUSTABLE SPEED DRIVE 7VDCX016CD01

(ABB)SC300E MBB 001-1116-08-00 good in condition for industry use

INTEGRAL TECHNOLOGIES 3985-00500 USPP 398500500

YASKAWA ELECTRIC CP9200SH/CPU NSFP CP9200SHCPU

FANUC A860-0056-T020 USPP A8600056T020

EUROTHERM DRIVES 590L-0130-5-1-0-0-2-0-2070-200-008-180-0-00-00-00-00-000 USPP 5

REVCON DC33-460-75-1-110VAC USPP DC33460751110VAC

PERFORMANCE TECHNOLOGY PT-CPC4416F-11671 NSFP PTCPC4416F11671

POWERTEC POWER SUPPLIES 1000-6A USPP 10006A

Siemens 6ES5 454-7LA11 6ES54547LA11

Siemens 6ES5-924-3SA12 USPP 6ES59243SA12

SIEMENS 6ES5-421-8MA12 6ES54218MA12 INPUT MODULE 4 NOS WITH BASE

Siemens 6ES5 452-8MR11 DIGITAL OUTPUT MODULE

Siemens S5 6ES5 431-8MA11 DC 8x24V

SIEMENS 6SN1118-0DM31-0AA2 in Sealed box

Siemens 6ES7 322-5SD00-0AB0 -FS- 6ES73225SD000AB0

Spectrum Controls SCC-3

NIB ALLEN BRADLEY 634487 MEMORY INTERFACE MODULE REV. 5

WS-SVC-SSL-1-K9 CISCO SSL MODULE FOR CATALYST 6500

Siemens 6ES7 972-0AA1-0XA0 6ES7972-0AA1-0XA0

Siemens S7 400 CPU 6ES7 414-2XG03-0AB0 6ES74142XG030AB0

Reliance 45C1

Schneider Modicon GROUPE AS-W510-003 NSPP ASW510003

Schneider Modicon AS-B274-001 USPP ASB274001

Schneider Modicon AS-S481-100 USPP ASS481100

Schneider Modicon AS-B872-011

Schneider Modicon AS-B805-000 INPUT MODULE 16 POINT

Modicon Gould B550 PLC AC Output Module

SIEMENS S5 6ES5 464-8ME11 Analog Input Module

Siemens 6ES5 470-4UB12 6ES54704UB12

SIEMENS S5 6ES5 450-8MB11 Digital Output Module

SIEMENS 6FC5247-0AA00-0AA2 PLC HOUSING 13 AMP 57 V SINUMERIK 840D

SIEMENS SinumerikSimodriveSimatic & servo motor REPAIR

SIEMENS 6SN1118-0AA11-0AA0 6SN1 118-0AA11-0AA0 SIMODRIVE 611-A Control Unit QTY

SIEMENS SIMODRIVE 611 6SN1145-1BA02-0CA2 NIB

SIEMENS 6FC9-320-3CH USPP 6FC93203CH

Advantech PCA-6159 REV.A2 w/ CPU and RAM Free Shp

Allen-Bradley 1771-OAD AC 12-120V Output Module

ABB AF750-30-22 CONTACTOR 48-130 VDC 50/60 Hz

ADEPT 30340-40100 CHASSIS MV-10A BASE

6SE3223-5DH40 Siemens Midimaster Vector Drive 460 V 6SE32235DH40

a 2000 infinion PEB2060N V4.5

SYMAX 8010-SFI-510 NSFP 8010SFI510

CUTLER HAMMER CPS200208YSG NSFP CPS200208YSG

CIMATRIX 910-2 USPP 9102

NEMATRON CORP IWS-2623-001 USPP IWS2623001

MITSUBISHI A3M-CPU USPP A3MCPU

FORNEY 34550601 NSFP 34550601

Siemens 6ES5 243-1AA12 6ES52431AA12

Siemens 6ES5-470-7LA13 NSFP 6ES54707LA13

SIEMENS 6ES5-263-8MA11/6ES5263-8MA11 COUNTER XLNT

SIEMENS S5 MODULE 6ES5 400 7AA13

Siemens 6ES5 420-3BA11 MODULE MAKE OFFER

SIEMENS 6ES7-972-0AA01-0XA0 #2

Siemens TP170A 6AV6545-0BA15-2AX0 Touch Glass ping Worldwide

Siemens 6ES5441-7LA11

iSimple PESWICAN2 Steering Wheel CAN Databus Interface Module

YOSHIMURA PIM2 PERIPHERAL INTERFACE MODULE KAWASAKI KX450F 2009-2011

Siemens 6ES7 151-1AA05-0AB0 6ES7151-1AA05-0AB0 in Box

Siemens OP015 6FC5203-0AF03-0AA0 Membrane Keypad

Parker SX83-135

Schneider Modicon AS-B875-101 Analog Input Gould ASB875101 An In

Schneider Modicon AS-521P-010 USPP AS521P010

Schneider Modicon AS-M485-004 USPP ASM485004

Schneider Modicon AS-884A-201

Schneider Modicon 24VD Input TRUE Module AS-B825-016 WARRANTY

Schneider Modicon MOTION MOD ENCDR/RSLVR - AS-BMOT-202 Mount Screw Broken

Siemens TI 505-4332 24VDC Input Module original Box

SEEK ELECTRONICS AS-8550SX I/O TERMINAL UNIT

SIEMENS SIMATIC TOUCH PANEL TP170B MONO

Siemens 4700-BDRMC3-11HN Power Meter Product Revision: B Digital Readout

SIEMENS Sinumerik 840C CRT MONITOR #6FC5103-0AB13-0AA2

Cisco IP Communications High-Density Digital Voice/Fax Module NM-HDV2=

SIEMENS SIMODRIVE 6SN1145-1BA01-0BA1 SIMODRIVE 6SN1123-1AA00-0CA1

SIEMENS SIMODRIVE 6SN1145-1AA01-0AA1SINUMETIK 840D NCU-BOX 6FC52476FC5356 [1]

Advantech PCA-6147 486/386 INDUSTRIAL CPU CARD REV.B2

Allen-Bradley 2711-T9C1 PanelView 900

ABB 3HAC3403-1 IRB2400 M2000 Robot Axis 1 & 3 Servo Motor with Pinion -

Accuray 83883-004 83883004 PC Board CSQ

A202K4AC CUTLER HAMMER A202K4AC

8110A with 81103A-81103A-81106A HP/AGT 150 MHz Pulse Generator

SIEMENS 6ES7-414-2XJ01-0AB0 USPP 6ES74142XJ010AB0

ASEA BROWN BOVERI 57770163 NSPP 57770163

ALLEN BRADLEY PC-128-0790 USPP PC1280790

MEASUREX 51309152-175 NSPP 51309152175

HONEYWELL FF-SB14E/R04K-S2 NSFP FFSB14ER04KS2

ALLEN BRADLEY 1756-L1M2 NSPP 1756L1M2

SHIBAURA H0167292 USPP H0167292

Siemens 6ES5377-0BA31 MEMORY SUBMODULE NIB

SIEMENS 6ES5 451-8MR12 6ES54518MR12

SIEMENS 6ES5 430-7LA12 6ES5430-7LA12 3 pcs

Siemens PLC 6ES5-375-1LA15/ 6ES53751LA15

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SIEMENS 6AV6 545-0AA15-2AX0 TP070 TOUCH PANEL

Siemens KTP600 6AV6 647-0AD11-3AX0 Touch Glass

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Schneider Modicon AS-J375-010 MOD BUS ADAPTER LNC

Schneider Modicon AS-E680-904 Cartridge 984-680 Enhanced Exec

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SiemensSimaticsS5DigitalInput/OutputModule6ES5420-7LA1132DC24V