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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 6SE6410-2UB12-5AA0 6SE64102UB125AA0

Siemens LOGO! 230RC 6ED1052-1FB00-0BA6 in box

Modicon PC-0984-385

Schneider Modicon AS-B809-016 NIB

Schneider Modicon AS-B875-111 REM ASB875111 ANALOG INPUT MODULE

Schneider Modicon AS-521P-006 USPP AS521P006

Schneider Modicon AS-M484-200 USPP ASM484200

Schneider Modicon AS-8535-000 High/Low Density Connector Nos

Schneider Modicon 16 OUTPUT MODULE MODEL DAP 217/AS-BDAP-217 24VDC TSX COMPACT

Schneider Modicon DAP 216N/AS-B DAP-216N

Siemens TI305-05N TI30505N DC Input module

Schneider/Telemecanique Twido TWDLMDA20DTK

Siemens Sinamerik Control Panel green 7096SO

Siemens 4700-BDRMC3-11HN Power Meter Software Ver 2.3.0.4 White Digital Readout

SIEMENS Sinumerik 820G 6FC3801-3AC-Z 6FC8504-1AX00 CRT Monitor Operator Panel

Cisco WS-SVC-CMM COMMUNICATION MEDIA MODULE

SIEMENS SIMODRIVE 6SN1145-1BA01-0BA1SINUMETIK 840D NCU-BOX 6FC52476FC5357 #BBE

SIEMENS SIMODRIVE 6SN1145-1AA01-0AA1SINUMETIK 840D NCU-BOX 6FC52476FC5356 [3]

ADVANTECH PCA-6010 PCA-6010VG PCA6010 in Box

Allen-Bradley 2711-T9C10 ser C rv E 3.15 PanelView 900

ABB 3HAC 5980-1 WRIST COMPLETE 150KG EXCHANGE NO. 6369901-386,

ACCURAY 64829-003 USPP 64829003

A200M5CXXZ1 SIZE5 STARTER 480V COIL

810A16AB ALLEN BRADLEY

SIEMENS 6ES5-948-3UA12 USPP 6ES59483UA12

ASEA BROWN BOVERI 57360001-KG USPP 57360001KG

ALLEN BRADLEY 8600-BP8D USPP 8600BP8D

MEASUREX 05325100 USPP 05325100

HONEYWELL 51304487-150 NSPP 51304487150

ALLEN BRADLEY 150-B24NBDA-J1 NSFP 150B24NBDAJ1

SAFELINE 2813189 FNFP 2813189

Siemens 6ES5-375-1LA61 USPP 6ES53751LA61

SIEMENS 6ES5 451-7LA11 OUTPUT MODULE 6ES54517LA11 6ES5-451-7LA11 REPAIRED

SIEMENS 135U 6ES5 524 3UA13

Siemens PLC 6ES5-340-3KB42/6ES53403KB42

Siemens 6ES7 314-1AG13-0AB0 6ES7314-1AG13-0AB0 in Box

Siemens PLC 6ES5-421-8MA11 6ES54218MA11 6ES5421-8MA11

PWR-4000-DC 4000W DC POWER SUPPLY FOR CATALYST 6500/7600 1YR - ASK 4 Q

GSM/GPRS Modem Pool 16 Ports USB interface Wavecom Module AT Commands Q2403A

Tripp Lite PS/2 Server Interface Module

Siemens 6AV3627-1QL01-0AX0 LCD Display

Siemens Inverter Card 6SE7 090-0XX84-0FJ0

Modicon SW-DO5T-0TA

Schneider Modicon Discrete Input Relay AS-BDEP-210 ++ ++

Schneider Modicon AS-PRTU-252 AC Pwr Sply Ext Temp ASPRTU252

Schneider Modicon AS-E480-904 USPP ASE480904

Schneider Modicon ASWBXT201 Compact Primary Rack AS-WBXT-201

Schneider Modicon AS-B357-001 ASB357001 N90

Schneider Modicon OUTPUT MODULE AS-B820-000

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Schneider Modicon TSX P573634M TSXP573634M

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SIEMENS CABLE PN 6DD1684-0CH0

General Electric Fanuc IC693CMM311N Communications Control Module GE IC693CMM311

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SIEMENS Sinumerik 6FC5203-0AF02-0AA0 PCU 50 Display

SIEMENS Nietzsche and Antiquity: His Reaction and Response to t

Allen-Bradley PanelView 1200 Operator Interface 2711TC1MC

5HP KEB COMBIVERT AC DRIVE 12F5H1D-LAOA F5 12F5H1D-LA0A 6.6 KVA

ABB YM110001-SE/3 BOARD YM110001-SE ABB PFVK

A06B-0315-B003 SERVO MOTOR 7.6 AMP 3PH 150V 2000RPM FANUC

75 HP 3 PHASE CNC ROTARY PHASE CONVERTER

RELIANCE ELECTRIC 57552-C USPP 57552C

ALLEN BRADLEY 20BD125A0NNNANC0 USPP 20BD125A0NNNANC0

ALLEN BRADLEY 1754-L28BBB USPP 1754L28BBB

GRAFIKONTROL G.9410/3-E3 NSPP G94103E3

WAUKESHA 006-UI USPP 006UI

TELEMECANIQUE TSXSUP61 USPP TSXSUP61

GE FANUC IC600CP321 USPP IC600CP321

Siemens 6ES5-182-3KB61 USPP 6ES51823KB61

SIEMENS 6ES5 374-2KH21 6ES53742KH21

SIEMENS 6ES5-951-7NB13 USPP 6ES59517NB13

Siemens 6ES5 866-0MC23-0Z NSPP 6ES58660MC230Z

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Siemens LOGO! PLC to PC USB Port Cable FreeShip

RELIANCE ELECTRIC I/O PROCESSOR MODULE 45C200A

Texas Instruments 305-35N

Spirent Adtech AX/4000 400320 OC-48 Interface

VIQ Audio Motu 8 Pr

Siemens C98043-A1203-L23-06

Modicon AS-W182-012

Schneider Modicon Automation AS-P810-000 ASP810000 Power Supply Module -NO BOX

Schneider Modicon AS-B550-101 OUTPUT MODULE H-12274

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Schneider Modicon AS-B829-116

Schneider Modicon PROGRAMMABLE CONTROLLER PC-F984-385 PROM ID AS-C950-106 1004

Schneider Modicon AS-S911-800 Hot Standby Processor

SCHNEIDER ELECTRIC TXBTF044510E TXB TF044510E

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SIEMENS SINUMERIK 810D/DE NCU 571.3 6FC5357-0BB11-0AE1 NIB

NM-HD-2VE CISCO 2-SLOT IP COMMUNICATIONS ENH. VOICE/FAX NET. MODULE warranty -

SIEMENS SIMODRIVE 611 6SN1123-1AA00-0CA0

SIEMENS SINUMERIK OP010 6FC5203-0AF00-0AA0 Membrane Keypad

SIEMENS FC12T9/CW Circline Fluorescent Cool White Bulb 32W

ALLENBRADLEY1771-0AOUTPUTMODULE8POINT120VAC

ALLEN BRADLEY SLC 500 RELAY OUTPUT MODULE 1746 OW16 SERIES D EXCELLENT CONDITON

ABB PST-250-600-70 Softstart 200 hp with Keypad, Disconnect, Starter, Enclosure

A02B-0094-C047 FANUC MONITORS CRT REMANUFACTURED

RSE SIERRA SWITCHGEAR S.O. 13912-1, 400 A AMP, 3 PH, 4 W, EXCELLENT DEAL

MODICON AS-C484-065 USPP ASC484065

ALLEN BRADLEY 1395-B69-C1-P51-X1 USPP 1395B69C1P51X1

HEWLETT PACKARD TEST & MEASURE 16515A USPP 16515A

GE FANUC IC600BF841 NSFP IC600BF841

SIEMENS 6SN1130-1DA11-0BA0 NSFP 6SN11301DA110BA0

SIEMENS 6ES5-243-1AA11 USPP 6ES52431AA11

ALLEN BRADLEY 1785-LT3 USPP 1785LT3

Siemens 6ES5 928-3UA21 6ES59283UA21

Siemens SALE 6ES5948-3UR11 6ES5 948-3UR11

SIEMENS 6ES5-490-8FB11 USPP 6ES54908FB11

Siemens 6ES5 431-8MD11/6ES5431-8MD11 INPUT MODULE XLNT

Siemens SIMATIC S5 8 OUTPUTS

Siemens EM 222 6ES7 222-1BF20-0XA0 EM222 PLC

Schneider Modicon 140CRA21110 MB Drop AC Module

Square D 8997 EQ-5210 MCB-10

Siemens 6ES5752-0AA22 Interface Module -V24 60 DAY WARRANTY/FREE

WE SHIP SAME CISCO WS-C3560X-24T-S CATALYST 3560X-24T SWICTH 1 YEAR

Siemens 6MD1021-0AA00 Sicam Digital Input

Siemens TP270 6AV6545-0CA10-0AX0 Touchscreen Glass

Schneider Modicon TSX Compact AS-BDAU-208 Analog Output

Schneider Modicon AS-BDAP-218 Discreet Output Relay ASBDAP218

Schneider Modicon AS-B820-000 USPP ASB820000

Schneider Modicon TSX Compact AS-BDEA-202 Free Ship

Schneider Modicon AS-P892-000 Remote I/O Processor

Schneider Modicon AS-BDEP-210/ASBDEP210 Input OFFERS ACCEPTED

Schneider Telemecanique XBTGT2220 Opt Interface Panel

SIEMENS 6ES7 134-4FB51-0AB0 INPUT MODULE ANALOG HIGH SPEED +/- 10VD ET2005

S Hp Virtual Conn 8Gb 20port Fibre Chan Mod 572018-B21

SIEMENS Digital Output Module 6ES5456-4UB12 Surplus - Opened Box

SIEMENS SINUMERIK 820 6FC3261-1AC-Z BACKPLA5703749001.51 TESTED WARRANTY

SCHNEIDER TSXSCP114 TSX MICRO COMMUNICATION MODULE

SIEMENS 6SN1161-1CA00-0AA1 18 PIN CABLE

SIEMENS 6SC6112-0AA00 Simodrive Feed Access WOW

SIEMENS 6FC5112-0CA02-0AA0 DPM Interface Module

AllenBradley800T-X527OffSwitchCoverPanel

ALLEN BRADLEY W61 USPP W61

ABB DSQC 546A - 3HAB8101-18 MODULES DRIVE SYSTEM for S4C+

ADSP BF54X, VISUALDSP++, EVAL KIT, ADZS BF548 EZLITE 1642829

(D5) 1 ROSEMOUNT 8712CR12 FLOW TRANSMITTER (D5)

ITE SIEMENS BOS14325 USPP BOS14325

3M 995 USPP 995

FISHER ROSEMOUNT 01984-4164-0004 USPP 0198441640004

FANUC A02B-0056-C796 USPP A02B0056C796

RJG TECHNOLOGIES INC PM-0004-4T USPP PM00044T

POLYCOM 610-0041-01 USPP 610004101

RELIANCE ELECTRIC 0-51801 NSFP 051801

Siemens 6ES5 456-7LA11 6ES54567LA11

Siemens 6ES5-926-3KA12 USPP 6ES59263KA12

SIEMENS 6ES5-430-4UA11 USPP 6ES54304UA11

Siemens 6ES5 456-7LA11 DIGITAL OUTPUT MODULE

Siemens S5 6ES5 441-8MA11 6ES54418MA11

Siemens 6UG4615-1CR20

Siemens 6ES7 322-1FF01-0AA0 -FS- 6ES73221FF010AA0

Square D 8003 CP-31

NIB Nematron IWS-102 IWS102 Operator Interface Panel Module Computer 24v

WS-SUP720-3BXL Cisco Supervisor Engine 720-3BXL Control processor

Siemens 6ES7 972-0BB41-0XA0 6ES7972-0BB41-0XA0 NIB

Siemens S7-200 EM231 6ES7 231-0HC20-0XA0 EM 231

Reliance 45C340

Schneider Modicon GOULD REMOTE I/O RECEIVER MODEL AS-J821-001

Schneider Modicon AS-B350-001 OUTPUT MODULE B350 115 VOLT AC

Schneider Modicon AS-S902-101 USPP ASS902101

Schneider Modicon AS-B873-011

Schneider Modicon AS-B805-016 B805 115 VAC INPUT

Modicon Controller Part AS-P464

SIEMENS S5 6ES5 421-8MA11 Digital Input Module8DI 24V

Siemens 6ES5 464-8MC11 -FS- 6ES54648MC11

Siemens RS 485-REPEATER 6ES7-972-0AA00-0XA0

SIEMENS 6FC5357-0BB21-0AE0 DRIVE SINUMERIK 840D/E2 NCU 572.2 VERSION A

WV Communications 19" 3 module Chassis

SIEMENS 6SN1118-0AD11-0AA0 6SN11180AD110AA0

SIEMENS SIMODRIVE 611 6SN1123-1AA00-0CA2 POWER MODULE 6SN11231AA000CA2 (NIB)

SIEMENS 6FC5510-0BA00-0AA0 USPP 6FC55100BA000AA0

Advantech PCA-6186VE PCA-6186 Rev.A1 NIB

Allen-Bradley 1771-OA AC OUTPUT MODULE

ABB ASEA BROWN BOVERI POWER ITE AIR CIRCUIT BREAKER 800A 800 AMP KDON K-DON 800S

ADEPT 90400-60131 AMPLIFIER MODULE MEGATORQUE 300 WATT CONTROLLER

6SE7026-0TP50 SIEMENS COMPACT + MASTERDRIVE 59AMP 30kW 510-620VDC MOTION CNTRL

SYMAX 8020-SCP-424 NSPP 8020SCP424

CUTLER HAMMER IDT0286 NSFP IDT0286

CLEVELAND MOTION CONTROL BNR5110GPA00CS0002 NSPP BNR5110GPAOOCS00

NEMATRON CORP IWS-4824 USPP IWS4824

MITSUBISHI FR-A520-2.2K-NA USPP FRA52022KNA

GE FANUC 44A719348-102 USPP 44A719348102

Siemens 6ES5 246-4UA11 6ES52464UA11

Siemens 6ES5-470-8MB11 NSFP 6ES54708MB11

SIEMENS 6ES5-306-7LA11 NSPP 6ES53067LA11

SIEMENS S5 SERIAL INTERFACE 6ES5 521-8MA21

Siemens 6ES5 441-8MA11 6ES54418MA11

SIEMENS 6FC5203-0AF50-3AA1 6FC5 203-0AF50-3AA1 MCP416C

Siemens TP170B 6AV6545-0BB15-2AX0 6AV6 545-0BB15-2AX0 Seal Opened FreeShip

Siemens 6ES5451-8MD11

Jova Solutions TIMS-0102 USB 12C/SPI Interface Module

ZARAK ABACUS BCG 81-01512-02 MODULE w/ ABACUS BRA Circuit Interface

Siemens 6ES7 210-8XX00-6AA0 6ES7210-8XX00-6AA0 PDS210 in Box, Seal opened

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Patriot WA0750

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Schneider Modicon AS-5540-006 NSFP AS5540006

Schneider Modicon AS-M680-108 Memory Module

Schneider Modicon AS-9490-004 USPP AS9490004

Schneider Modicon 800 SERIES 11 SLOT RACK AS-H827-103

Schneider Modicon TSX COMPACT DISCRETE INPUT DEP 216 AS-BDEP-216 LOT OF 5

Siemens TI 505-4108 Low VDC Input Module

Telemecanique ATV11HU09M3A 0.37kW Inverter in Box

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SIEMENS 4700 POWER FUNCTIONS METER OPERATOR INTERFACE PANEL 4700-BDRMC3-11HN

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CC LINK COMMUNICATIONS MODULE MITSUBISHI FR-E5NC

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Advantech PCA-6184V, no ethernet port,

Allen-Bradley 2711-T6C15L1 Panelview 600

ABB 3HNE00313-1

ACCURAY AIC8 086155-001 SCANNER MODULE CARD CONTROLLER B211850

A2LA 17025 Accredited Calibration with full Data Report

8169001039 MARPOSS CONTROLLERS AS-IS

SIEMENS 6ES7-470-1VB10 USPP 6ES74701VB10

ASEA BROWN BOVERI 750191000B NSFP 750191000B

ALSTOM 029.111.329 NSFP 029111329

METROLOGIC IS8564L USPP IS8564L