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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：

Siemens TP7 6AV3607-1NH00-0AX0 Touchscreen Glass

Schneider Modicon TSX COMPACT HIGH SPEED COUNTER MODULE AS BZAE 201

Schneider Modicon AS-BDEP-220 BRAND Guaranteed Discreet Input ASBDEP220

Schneider Modicon AS-B355-001 OUTPUT MODULE OLD STOCK FREE SAME DAY SHIPPING USA

Schneider Modicon AS-M380-006 NSPP ASM380006

Schneider Modicon DEP210/AS-BDEP-210 INPUT MODULE

Schneider Modicon Controller AS-B804-116

Schneider Modicon AS-HDTA-201 SECONDARY SUBRACK 5 SLOTS COVER

SCHNEIDER MODICON AS-BDAP-210 OUTPUT MODULE NNB

Siemens 6ES5 432-4UA12 Digital Input Module NIB Compare 788.00+

Rigol Function/Arbitrary Waveform Generators DG3061A

SIEMENS A5E00159514 PANEL TOUCH SCREEN

SIEMENS Sinumerik FM-NC/840D Hand-Held Control Unit

Reliance Communications Mem. Module Part 57413

SIEMENS Drive 6SN1123-1AA00-0BA1

SIEMENS SINUMERIK 840D/DE NCU 573.5 6FC5357-0BB35-0AE0 NIB

SIEMENS 6FC4600-1AS01 Free Ship

AllenBradley2711-K10G16/C2711K10G16Panelview

Allen Bradley Versa View 1500H 6189-RDT15CA 2711P-RN6 6182-15TEH6B

ABB IRB 1400 SER 14-20056 ROBOT S4C PLUS CNTRLR TEACH PENDANT W/ MATCHED SET

Advanced Energy VHF 2060 RF GENERATOR AMAT 0920-00056

(O2-1) 1 BLH ELECTRONIC C3P1 LOAD TRANSDUCER O2-1

MEASUREX 09806701 NSPP 09806701

ALLEN BRADLEY 1336F-B050-AA-EN-HASP-L6 USPP 1336FB050AAENHA1

GE FANUC IC800SSI216D2 USPP IC800SSI216D2

FANUC A16B-2100-0110 USPP A16B21000110

SIEMENS 6DS1220-8AA USPP 6DS12208AA

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Siemens 6ES5-950-1AB61/6ES5950-1AB61 POWER SUPPLY NNB

SIEMENS 6ES5-441-5AA12 USPP 6ES54415AA12

Siemens 6ES5 955-3LC41 6ES59553LC41 Power Supply Module

Siemens S5 6ES5-464-8MA21

Siemens C98043-A1601-L4-17

Siemens 6ES5 464-8MF11 -FS- 6ES54648MF11

Square D 8030 CIM-101

ON Q Home 8 Port Network Interface Module 363486-01

WS-C2960-24TC-S CISCO 2960-24TC SWITCH- W/1YR - WSC296024TCS Fast

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SIEMENS SINUMERIK 6FC5203-0AF02-0AA1 , no box,

Saftronics CIMR-G3U47P5

Schneider Modicon ASMEEP001 Compact EEProm Card AS-MEEP-001

Schneider Modicon AS-B552-001 USPP ASB552001

Schneider Modicon AS-W801-012 3485-2400 REMAN W801012 34852400

Schneider Modicon AS-BDEP-218 PLC

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STANDARD COMMUNICATIONS CELLULAR MODULE CMM8700-101

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ADVANTECH SOM-A2552

ALLEN-BRADLEY 160-P1 PROGRAMMING TERMINAL KEYPAD ""

ABB BAILEY SYMPHONY CONTROLS DIGITAL IMASI23 ANALOG INPUT SLAVE MODULE 88248

ADEPT TECH 10332-12410 NSPP 1033212410

(12) Hoffman A36X2E5410 Control Panel Enclosures 36" x 54.5" x 11.5"

INDRAMAT DDS03.2-W/030B USPP DDS032W030B

TELEMECANIQUE TSX-P871 USPP TSXP871

EPSON E2L653S-UL USPP E2L653SUL

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MODICON AS-P933-007 NSPP ASP933007

INGERSOLL RAND 2133A99G02 USPP 2133A99G02

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Siemens 6ES5 373-0AA41 -- 6ES53730AA41

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SIEMENS TP270-10 6AV6545-0CC10-0AX0 Touch Glass

Siemens 6ES5951-7LD12

LOT 8__Belkin OmniView Quad-Bus Server Interface Module PS/2 F1DE101A-AP

Yamaha Motif XF8 Synthesizer

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SIEMENS OP7 6AV3 607-1JC30-0AX1 Membrane Keypad ping Worldwide

Reliance 0-51816-1

Schneider Modicon AS-B801-000 Slot Filler Plate

Schneider Modicon AS-9487-004 USPP AS9487004

Schneider Modicon AS-P421-010 USPP ASP421010

Schneider Modicon AS-B550-001 B550001 ASB550001 B550-001

Schneider Modicon AS-884A-301 Processor Module AS884A301 UVG

Modicon Square D XBT-F024110 XBTF024110 Operator Interface

SIEMENS SIMATIC S5 INPUT MODULE 6ES5-420-7LA11 6ES5420

Siemens 6ES7 331-7TF01-0AB0 -FS- 6ES73317TF010AB0

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SIEMENS Sinumerik 802S 802C 802 5.7 LCD screen display panel

SIEMENS SINUMERIK MPI INTERFACE 6FC5203-0AE00-0AA0

SIEMENS 6SN1118-0NH01-0AA1

SIEMENS Simodrive 6SN1123-1AA00-0AA0

SIEMENS CONTROLLER CARD 6FC5357-0BB11-0AE1

Advantech SOM-2353 SOM-2353F

Allen-Bradley 2711-B5A5 Series H Panelview 550 Touchscreen FRN 4.46

ABB AC Drive ACS601-0011-4-000B1200801 3PH 380-500 VAC - Extrusion Spare Parts

Acterna JDSU T-BERD 8000 8126 SR SingleMode Fiber OTDR 8126SR TBERD T BERD

6ES7135-0HF01-0XB0 Brand , Factory Sealed,

85644A - HP/Agilent Tracking Source 300 kHz to 6.5 GHz

SIEMENS 6SE7-031-2TF60-Z USPP 6SE70312TF60Z

BAILEY CONTROLS NCOM-04 NSFP NCOM04

ATLAS COPCO 8433-1740-00 USPP 8433174000

MODICON AS-521P-111 NSFP AS521P111

INDRAMAT TRANS-01.5/1-109-468-4800 USPP TRANS01511094684

BALDOR ID15H507-E USPP ID15H507E

WHEDCO CMC-2071-1B USPP CMC20711B

Siemens 6ES5-451-7LA11 NSFP 6ES54517LA11

SIEMENS 6ES5 705-0BB50 INTERCONNECT CABLE IN BOX

SIEMENS S5 6ES5 436-7LA11 6ES54367LA11

Siemens S5 Input / Output Module 6ES5 482-3BA11

Siemens 6ES7131-4BF00-0AA0 6ES7 131-4BF00-0AA0 FreeShip

Siemens S7-200 EM231 RTD 6ES7 231-7PB22-0XA0 EM 231

Siemens 3TX7002-1BB00

HORIBA STEC -- CNL-06A -- Computer Interface Module RGA Residual Gas Analyzer

Weidmuller Interface Module 912441 RI-DIP14A. GSED 0.3 IN BOX

Siemens 6ED1055-1FB00-0BA1 in Sealed Box ping

Siemens LOGO! 6ED1052-1HB00-0BA6 NIB + LOGO USB Cable

Omron 3G3MV-A2001

Schneider Modicon AS-J810-000 REMOTE I/O ADAPTER GOOD TAKEOUT

Schneider Modicon Gould/ AS-B230-501 PLC Output Module

Schneider Modicon AS-H827-107 USPP ASH827107

Schneider Modicon MODICON/ AS-B551-000 INPUT MODULE XLNT

Schneider Modicon AS-H819-209

Schneider Modicon SELECTABLE N.O. / N.C. RELAY OUTPUT AS-B814-108

Telemecanique Thermal Overload Relay LRD-10KN

SCHNEIDER Telemecanique TSXDET1612 16-INPUT CARD NIB

SIEMENS TI305-35T SIMATIC TI OUTPUT MODULE TI-305-35T TI30535T NIB

Siemens 6AV3607-1JC30-0AX1 OP7 6AV36071JC300AX1 Fast Shipping

SIEMENS Sinumerik 6FX1111-4AB00 I/0 Interface .

FIREBERD 6000A COMMUNICATIONS ANALYZER

SIEMENS SimoDrive Servo / Motion Control 6SC6101 2B Z

SIEMENS SIMODRIVE 6SN1145-1BA02-0CA1SINUMETIK 840D NCU-BOX 6FC52476FC53576SN

SIEMENS MOORE 16137-43-60 APACS 600VAC AUTOMATION QUADLOG CABLE 25615

Allen-Bradley AB Panelview 1000 Cat 2711-K10C1

ABACUS CONTROLS, INC. POWER SUPPLY PN 423-4-120-A

AC Tech Variable Speed AC Motor Drive

A06B-1571-B123/0024-R FANUC AC SERVO SPINDLE REMANUFACTURED

7XT7000-0B 7TM3401-3 7TW4600-0 7TW4500-0 7TL4400-0 for industry use

ROFIN SINAR 120100366 NSFP 120100366

ALLEN BRADLEY 6180-DHIEFLDHECZ USPP 6180DHIEFLDHECZ

ALLEN BRADLEY 2711-KA1 USPP 2711KA1

INDRAMAT TDM1.2-50-300-W1 USPP TDM1250300W1

YOKOGAWA DR241-00-31-1W/C2/H1/D2 USPP DR24100311WC2H1D

XYCOM 9462-0132120016002 NSFP 9462013212001600

LAMARCHE A11B-6-48V-A1 USPP A11B648VA1

Siemens 6ES5-267-8MA11 USPP 6ES52678MA11

SIEMENS 6ES5 420-4UA12 6ES54204UA12

SIEMENS S5 11 SLOT RACK 6ES57003LA12 6ES5-700-3LA12

Siemens Control Module 6ES5 252-3AA13 23430

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RELEASE SuperMicro X9DRT-HIBFF MB FULL MFR

Texas Instruments 555-1101

TEKTRONIX 11403 OSCILLOSCOPE MODULE INTERFACE 671-1129-

TWDLMDA40DUK extendable PLC base Twido 24 V 24 I 24 V DC 16 O solid state

Siemens CUVC 6ES7 090-0XX84-0AB0

Modicon MA-P420-001

Schneider Modicon TSX AS-BDAP-210 Output Module NIB

Schneider Modicon ASB875101 Refurbished TESTED Analog INPUT Module AS-B875-101

Schneider Modicon AS-BDEP-256 USPP ASBDEP256

Schneider Modicon ASBDEP218 AS-BDEP-218 Compact input

Schneider Modicon -AS-884A-201

Schneider Modicon Distributed Control Processor Cable AS-D908-110

Schneider Telemecanique Inverter ATV31H018M2A 0.18KW

SCHNEIDER ELECTRIC 140DAI54000 TSX QUANTUM 115V AC INPUT MODULE 61302

PWR-ME3750-AC CISCO METRO CATALYST 3750 AC POWER SUPPLY SPARE

SIEMENS 6ES5451-4UA14 SIMATIC S5 DIGITAL OUTPUT MODULE RAC544341 F979-V6052-A1

SIEMENS 6DD1610-0AG0 SIMADYN D MEMORY MODULE

MERCEDES BENZ COMMUNICATION MODULE A 240 820 08 85

SIEMENS Simodrive 6SN1123-1AA01-0F01 LT-MODUL INT.200A Version C Free S&H

SIEMENS Sinumerik 840D Battery 6FC5247-0AA06-0AA0

SIEMENS /MOORE 16426-1 APACS QUADLOG REMOTE I/O RACK

ALLEN-BRADLEY SLC 500 POWER SUPPPLY WITH INPUT /OUTPUT MODULES

Allen Bradley Selectable Output Module 1771-OW WARRANTY

ABB S3HQ125TW Circuit Breaker

A06B-0147-B184#F000 FANUC SERVO MOTORS REMANUFACTURED

0-57411-2E

OMRON F400-C15E USPP F400C15E

ALLEN BRADLEY 1756-L75 NSFP 1756L75

ALLEN BRADLEY 1336F-CWF-50-AN-EN NSFP 1336FCWF50ANEN

GENERAL ELECTRIC DS200IIBDG1ADA USPP DS200IIBDG1ADA

SYMBOL TECHNOLOGIES VRC6940-00V651US USPP VRC694000V651US

SMC VV824XD NSFP VV824XD

CINCINNATI MILACRON 3-542-1029A USPP 35421029A

Siemens 6ES5 948-3UR11 CPU 948R REDUNDANT PROCESSOR

Siemens SIMATIC S5 IP 242A COUNTER MODULE 6ES5242-1AA32

SIEMENS 6ES5-731-1BD20 USPP 6ES57311BD20

Siemens 6ES5 497-4UB11 USPP 6ES54974UB11

SIEMENS 6AV6545-0AA15-2AX0 TP070 touchscreen glass

Siemens LOGO 230RCo 6ED1052-2FB00-0BA6 NIB

RSP8 CISCO ROUTE SWITCH PROCESSOR FOR 7505/7507/7513/7576

Telemecanique NL-742DH

SIEMENS SIMATIC 6ES5244-3AA11 INTERFACE MODULE FOR CRT

Wago 750-833 PROFIBUS DP/V1 PROGRAMMABLE FIELDBUS CONT

Siemens 6SE7090-0XX84-0FF5 DP Communication Card

Modicon AS-P190-112

Schneider Modicon 984 series of AS-B808-016 good in condition for industry use

Schneider Modicon AS-B824-016 OUTPUT MODULE ASB824016

Schneider Modicon AS-B872-200 ANALOG OUTPUT MODULE ASB872200

Schneider Modicon AS-P890-000 Remote I/O Processor

Schneider Modicon DEP 217/AS-BDEP-217 NICE

Schneider Modicon AS-J810-000 remote I/O

Schneider Electric Output Module TSXDSY16T2

SIEMENS 6ES5 421-8MA12 SIMATIC S5 INPUT MODULE

Rev 2.01a SuperMicro H8DAE-2 Bulk Pack MB Support Six Core CPU

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SIEMENS SINUMERIK MACHICONTROL PANEL MCP 416C-TKEY MPI 6FC5203-0AF50-4AA1

ProSoft TECHNOLOGY MODBUS PLUS COMMUNICATION MODULE 3300-MBP

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allenbradley2711-b6c5operatorsinterfacepanelview600

ALLEN BRADLEY TERMINAL LUG KIT 199-LF1

ABB IRB 6400 Water Jet Robot

Advanced Micro Instruments Oxygen Analyzer Panel Mount 115/230V 50/60Hz

(Q6-2) 1 ALLEN BRADLEY 1336F-BRF10-AN-EN-HAS2-L4E CONTROL MODULE Q6-2

MICRO MOTION DS100S128 USPP DS100S128

ALLEN BRADLEY 1336S-A020-AA-EN4-HA1-L6 USPP 1336SA020AAEN4HA

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FANUC A20B-0006-0640 USPP A20B00060640

SIEMENS 6ES5-450-3AA11 NSFP 6ES54503AA11

RELIANCE ELECTRIC 86466-84V USPP 8646684V