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　　在現(xiàn)代制藥工業(yè)的生產(chǎn)過(guò)程中，不可避免地要使用大量的化學(xué)與生物制劑，這帶來(lái)的一個(gè)結(jié)果是在生產(chǎn)的每個(gè)步驟都會(huì)排放出成分復(fù)雜的尾氣，以揮發(fā)性有機(jī)化合物(VOC)居多。如何處理含VOC的尾氣，成為企業(yè)面臨的一大環(huán)保難題。國(guó)內(nèi)目前主要采用熱氧化法的處理方式，即蓄熱式熱力焚化爐(英文名為“Regenerative Thermal Oxidizer”，簡(jiǎn)稱為“RTO”)
　　二、RTO工作原理
　　把有機(jī)廢氣加熱到760攝氏度以上，使廢氣中的VOC在氧化分解成二氧化碳和水。廢氣首先通過(guò)蓄熱體加熱到接近熱氧化溫度，而后進(jìn)入燃燒室進(jìn)行熱氧化，氧化后的氣體溫度升高，有機(jī)物基本上轉(zhuǎn)化成二氧化碳和水。凈化后的氣體，經(jīng)過(guò)另一蓄熱體，溫度下降，達(dá)到排放標(biāo)準(zhǔn)后排放。不同蓄熱體之間通過(guò)切換閥，隨時(shí)間進(jìn)行轉(zhuǎn)換，分別進(jìn)行吸熱和放熱。氧化產(chǎn)生的高溫氣體流經(jīng)特制的陶瓷蓄熱體，使陶瓷體升溫而“蓄熱”，此“蓄熱”用于預(yù)熱后續(xù)進(jìn)入的有機(jī)廢氣，從而節(jié)省廢氣升溫的燃料消耗。陶瓷蓄熱體應(yīng)分成兩個(gè)(含兩個(gè))以上的區(qū)或室，每個(gè)蓄熱室依次經(jīng)歷蓄熱-放熱-清掃等程序，周而復(fù)始，連續(xù)工作。蓄熱室“放熱”后應(yīng)立即通過(guò)反吹風(fēng)機(jī)對(duì)該蓄熱室進(jìn)行清掃(以保證VOC去除率在95%以上)，只有待清掃完成后才能進(jìn)入“蓄熱”程序。RTO設(shè)備的工作流程見(jiàn)下圖：
　三、控制要求和方法
　　3.1. 燃燒器控制
　　氧化室安裝一個(gè)帶比例調(diào)節(jié)的天然氣燃燒器。燃燒器的供熱量是用氧化室溫度，經(jīng)過(guò)PID調(diào)節(jié)器自動(dòng)調(diào)節(jié)，當(dāng)燃燒器運(yùn)行時(shí)，燃燒器PID的SP外給定值(TE05_AM)等于SP外給定值+升溫速率設(shè)定值/120。按照升溫曲線進(jìn)行升溫。否則，SP外給定值等于氧化室溫度。如果SP外給定值超過(guò)TE05_S10(氧化室溫度--理想控制溫度設(shè)定)，那么TE05_S10直接賦值給TE05_AM(SP外給定值)，進(jìn)行溫度限制。此外，燃燒系統(tǒng)還帶有熄火保護(hù)、超溫報(bào)警和超溫自動(dòng)停燃燒器等功能。
3.2.進(jìn)氣、出氣、清掃流程的切換
　　該設(shè)備有三個(gè)蓄熱室，一個(gè)公共氧化室，有機(jī)廢氣通過(guò)鼓風(fēng)機(jī)送入蓄熱室1，吸熱后進(jìn)入氧化室，蓄熱室1因放熱而降溫，燃燒升溫后的氣體進(jìn)入蓄熱室2，通過(guò)熱交換把熱量蓄存在蓄熱室2的陶瓷蓄熱體中，處理后的氣體經(jīng)后續(xù)處理合格后煙囪排空。同時(shí)蓄熱室3空間中殘留未處理的VOC廢氣被反吹風(fēng)機(jī)吹回氧化室焚化處理。經(jīng)過(guò)一段時(shí)間(約2分鐘(可設(shè)定))后，氣流改變方向從蓄熱室2進(jìn)入氧化室，通過(guò)蓄熱室2吸收熱量升溫后，在氧化室內(nèi)高溫焚化，最后經(jīng)蓄熱室3熱交換后排放，同時(shí)蓄熱室1處于清掃狀態(tài)，經(jīng)過(guò)一段時(shí)間(約2分鐘(可設(shè)定))后，氣流再次改變方向，不斷的交替循環(huán)，保證氧化室溫度在800℃以上，以此保證高的去除率和換熱效率。程序如下圖：

Schneider/Telemecanique Twido TWDLMDA20DRT NIB FreShip

SIEMENS 6ES5 482-4UA11 DIGITAL I/O MODULE

Siemens TI 505-5417 Relay Output Module

Siemens HMI 6AV6 643-0CD01-1AX1 NIB 6AV664310CD011AX1

SIEMENS Control Rack 6FC3761-1FB Z_ Genumerik 3G Unit Sinumerik

SIEMENS Sinumerik 810 LCD Upgrade Kit

RELIANCE ELECTRIC 57416-S REMOTE I/O COMMUNICATIONS MODULE 57C416

SIEMENS CONTROLLER CARD 6SN1118-1NH00-0AA2

SIEMENS XVGA box replace monitor to LCD 6FC4600-0AR50 6FC5103-0AB01 SC-1200

SIEMENS 6FC5-110-0BA01-1AA0 NSFP 6FC51100BA011AA0

AllenBradley2711-K9C9PanelView900OperatorInterfaceSeriesCRev.L

ALLEN BRADLEY VersaView 1200P TOUCH SCREEN OPERATOR INTERFACE 6181P-12TSXPH

ABB INTERRUPTER ASSEMBLY 539D19302 FOR 345KV CIRCUIT BREAKER

Advanced Energy Mercury 10013 Match, P/N 27-256558-00

(no #) Cervis Remote Control Unit TM70/1.13 With Cable

MEASUREX 08591501 USPP 08591501

ALLEN BRADLEY 1336E-B040-AE-EN USPP 1336EB040AEEN

GE FANUC IC697CSE784 USPP IC697CSE784

FANUC A16B-1210-0030 NSPP A16B12100030

SIEMENS 6AV7-802-0BA02-1AC0 NSFP 6AV78020BA021AC0

RELIANCE ELECTRIC 419437-D USPP 419437D

SIEMENS 6FC5-110-0DB03-0AA2 USPP 6FC51100DB030AA2

Siemens 6ES5 470-4UC13 6ES54704UC13

Siemens 6ES5-947-3UR21 USPP 6ES59473UR21

SIEMENS 6ES5-440-8MA21/6ES5440-8MA21 OUTPUT MODULE NIB

Siemens 6ES5 923-3UC11 COORDINATOR MODULE NIBBNO

Siemens S5 6ES5-318-8MB13

Siemens C98043-A1203-L23-06

Siemens 6ES5 470-4UC13 -FS- 6ES54704UC13

Square D 8030 CC-15

Omron C500-II002 Expansion Rack Interface Module

WS-C3550-12T CISCO SWITCH 10-10/100/1000 PORTS 2 GBIC PORTS: EMI

Siemens 6ES7316-2AG00-0AB0

Siemens Simovert 6SE7016-1TA61

Remote Display RD-300

Schneider Modicon AS-P120-125 SEALED 125VDC Supply ASP120125

Schneider Modicon AS-B548-000 USPP ASB548000

Schneider Modicon AS-W600-006 NSPP ASW600006

Schneider Modicon AS-BDEP-216 16 Point Input Module

Schneider Modicon AS-B826-032/ASB826032 Output Module OFFERS ACCEPTED

MODICON ANALOG OUTPUT MODULE AS-B872-100

SIEMENS EM221 DI 8XDC24V 6ES7 221-1BF00-0XA0 Digital Input Module

Sharp JW-31LM I/O MODULE 32-SLAVE STATIONS 345.6KB 504 POINTS

Siemens Operator Interface 6SE32900XX878BF0 23884

SIEMENS Sinumerik 6FC3251-1AC-Z 810T Controller

SUPPLYNET COMMUNICATIONS TANKLINK 3810 DIGITAL CONTROL CONTROLLER MODULE LLC

SIEMENS 6SN1118-1NH01-0AA1 6SN11181NH010AA1

SIEMENS Lt-Modul INT. 50A Simodrive 6SN1123-1AA00-0CA0

SIEMENS 6FC5248-0AF20-2AA0 MOUNTING BRACKET

Advantech Remote Data Acquisition Module ADAM-4013 NIB

ALLEN-BRADLEY 1746-0A16 SLC500 SERIES D OUTPUT MODULE

ABB BAILEY SYMPHONY CONTROLS DIGITAL IMASI23 ANALOG INPUT SLAVE MODULE 88205

ADEPT TECH 10332-00714 USPP 1033200714

(1) 4 Fanuc Motors and (1) Mitubishi Motor

INDRAMAT DDC01.2-N200A-DA02-01-FW USPP DDC012N200ADA020

TELEMECANIQUE LA9-B102 NSFP LA9B102

ELDEC 5250062 USPP 5250062

CUTLER HAMMER A13GN0 USPP A13GN0

PRATT & WHITNEY DU205E USPP DU205E

MODICON AS-B260-001 USPP ASB260001

INDRAMAT IKG0022-22 NSPP IKG002222

Siemens 6ES5 314-3UA11 6ES53143UA11 Free Ship

Siemens 6ES5-530-7LA12 NSFP 6ES55307LA12

SIEMENS 6ES5-374-1FH21 USPP 6ES53741FH21

Siemens 6ES5 315-8MA11 INTERFACE MODULE

Siemens 6ES5-700-8MA11 6ES57008MA11 F294

Siemens 6MD1021-0AA00 Sicam Digital Input

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

Siemens 6ES5942-7UB11

Lincoln Electric L6580-1 Remote Interface Module

Yaskawa 87350-11000 PLC Module 8735011000 NIB

Siemens 6ES7 223-1PH21-0XA0 6ES7223-1PH21-0XA0 FreeShip

SIEMENS OP7 6AV3 607-1JC00-0AX1 Membrane Keypad ping Worldwide

Reliance 0-51378-2

Schneider Modicon AS-B804-116 115VAC Output ASB804116

Schneider Modicon AS-9003-821 USPP AS9003821

Schneider Modicon AS-P371-002 USPP ASP371002

Schneider Modicon AS-B351-001 PLC MODULESINPUT115VACGOULD

Schneider Modicon AS-884A-111 Controller

MODICON TELEMECANIQUE MAGELIS OPERATOR INTERFACE TXB TF024510E

SIEMENS Simatic S7 6ES7 336-1HE00-0AB0 PLC Analog Input Module

Siemens 6ES7 332-5RD00-0AB0 -FS- 6ES73325RD000AB0

Siemens Simatic Output Module TI305-15T

Siemens 9300 9300DC-100-ZZZZA Power Meter Display ION Profibus Access

SIEMENS Sinumerik Module 6FX1120-5BA01 E Stand F & 02

SIEMENS Simodrive 6SN1118-0DM21-0AA0 6SN11180DM210AA0

SIEMENS SIMODRIVE 6SN1123-1AA00-0CA1/0CA0

SIEMENS Display 6FC5203-OAB10-0AA0

Advantech Remote Contact/Digital Input ADAM-4053

Allen-Bradley 2711C-T6C Ser B PanelView C600 Color Touchscreen NIB

ABB 64513591 MAIN CIRC. INTERFACE NINT-72C SEALED

Acterna JDSU DSAM-3500B Digital CATV Meter DSAM 3500 w/ Home Cert Secure Sync

6ES5470-7LA13 SIEMENS Analog Output Module

853-012500-003 DETECTOR, EDGE ASSY TYPE

SIEMENS 6SE7-022-7EP70 USPP 6SE70227EP70

BAILEY CONTROLS IMMFP-03 NSPP IMMFP03

ASEA BROWN BOVERI YT204001-FSI1 USPP YT204001FSI1

MODICON AM-R911-000 NSFP AMR911000

INDRAMAT MDD112D-N-020-N2L-130PB0 USPP MDD112DN020N2L11

ASEA BROWN BOVERI YB560103-CH USPP YB560103CH

VIDEO JET 358160-E NSFP 358160E

Siemens 6ES5-451-4UA12 NSFP 6ES54514UA12

SIEMENS 6ES5 700-2LA12 6ES57002LA12

SIEMENS S5 6ES5 377-0AB31 6ES53770AB31 NIOB

Siemens S5 CONNECTOR 6ES5 490-8MB21 6ES54908MB21

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

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

Siemens 3TB4012-0B

HONEYWELL TC-CCR012 REDUNDANT NET INTERFACE MODULE

Waters Millipore System Interface Module Detector

Siemens 6ED1 052-2HB00-0BA3 6ED1052-2HB00-0BA3 FreeShip

Siemens LOGO! 6ED1 052-1HB00-0BA6 NIB + LOGO USB Cable

Omron 3G2A9-AL001

Schneider Modicon AS-J878-000 MODEM MODULE ASJ878000

Schneider Modicon PROGRAMMABLE CONTROLLER AS-584L-231 W MEM

Schneider Modicon AS-H827-100 ASH827100 Fast Shipping

Schneider Modicon LOT OF 3 AS-P120-000 POWER SUPPLY MODULES

Schneider Modicon AS-C921-100

Schneider Modicon AS-J890-101 ASJ890101 I/O Processor

Telemecanique MODICON TWDLCAA16DRF

Schneider Telemecanique TM2DRA8RT MODICON PLC

Siemens Touchpanel TP177A 6AV6 642-0AA11-0AX0

Siemens 6AV3627-1QK00-2AX0 6AV3 627-1QK00-2AX0 SIMATIC TP27-6 Touch Panel

SIEMENS Sinumerik 6FC5412-0FA10-0AA0 Impuls Adapt .

FX-232ADP Mitsubishi PLC RS-232 Communication Module FX232ADP

SIEMENS Simodrive UEB - Module Int/Ext. 6SN1112-1AC01-0aa1 SURPLUS

SIEMENS SIMODRIVE 6SN1146-1AB00-0BA1SINUMETIK 840D NCU-BOX 6FC52476FC5356 2NC

SIEMENS 04-07VWTOUAREGKEYLESSREMOTE3D0959753 OFCC:KR55WK45022GERMANYHUF

Allen-Bradley A-B PanelView 1400e Terminal 2711E-K14C6X

AB,ALLEN-BRADLEY BULLETIN GMC DIGITAL SERVO CONTROR 10KW 1394 ,AXIS 10KW,IM

AC Servo Controller AC Main Spindle Drive KDV; KDS; KDA

A06B-0819-B001 FANUC AC SERVO SPINDLE REMANUFACTURED

75HP VERTICAL MOTORS, 3600 RPM VSS, TEFC , 230-460V, 365LP

REXROTH 1070070309 NSFP 1070070309

ALLEN BRADLEY 6170-DCCE1A1EBZZ USPP 6170DCCE1A1EBZZ

ALLEN BRADLEY 2711-B6C20 NSPP 2711B6C20

INDRAMAT MDD112B-N-040-N2L-130PA0 NSPP MDD112BN040N2L13

YASKAWA ELECTRIC SGDH-75AE NSPP SGDH75AE

WHEDCO IMC-3161-2-B NSPP IMC31612B

KAWASAKI 50817-1116R01 USPP 508171116R01

Siemens 6ES5-254-4UB21 USPP 6ES52544UB21

SIEMENS 6ES5 385-8MB11 6ES53858MB11

SIEMENS PLC INPUT MODULE 6ES5 430-7LA12 VER 3

Siemens CABLE CP541 TO S5-CPU S5-135/55 6ES57358BB0

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

Siemens OP17 6AV3617-1JC20-0AX1 Membrane Keypad , ping worldwide

RELEASE SuperMicro X9SAE MB ※Check W/ Us for Availability FIRST※

Texas Instruments 510-2101

SYMAX Square D 8030 CRM222 8030CRM222 Remote Interface Module Series G

Tyan S8236GM3NR-IL Socket G34 AMD SR5690/SP5100 Chipset EEB Motherboard

Siemens CPU 6ES7 414-3XJ00-0AB0 6ES7414-3XJ00-0AB0

Modicon MA-0212-001

Schneider Modicon /GOULD/AS-884A-101 PROCESSOR 2K W/REMOTE I/O

Schneider Modicon ASB838032 24 VDC Output Module AS-B838-032

Schneider Modicon AS-BDEP-218 NSFP ASBDEP218

Schneider Modicon AS-BDEP-210 ASBDEP210 G302

Schneider Modicon -AS-5512-000

Schneider Modicon DISCRETE COMBO AS-BDAP-220 QTY X 3

Schneider Telemecanique BMXP342020

SCHNEIDER INPUT MODULE 170ADI35000

Q64TDV-GH Mitsubishi PLC Milivolt Analog Input 4 Pt Isolated Q64TDVGH

SIEMENS 6ES5452 - 8MR11 RELAY OUTPUT MODULE

SIEMENS 6DD1606-0AD1 NSFP 6DD16060AD1

MERCEDES S W220 Communication Telephone Module TELEAID A2108208026

SIEMENS SIMODRIVE 6SN1123-1AA00-0HA0

SIEMENS SINUMERIK 840D/DE NCUBOX 6FC5247-0AA00-0AA2

SIEMENS /MOORE 39ACM24BEN/16139-215 ADVANCED CONTROL MODULE XLNT

Allen-Bradley SLC-500 TRIAC OUTPUT MODULE 85 - 265VAC 50/60Hz 1746-OA16 Ser. B

Allen Bradley SLC 500 1746 OG16 ser. C Output Module

ABB ROBOTICS SERVO MOTOR,PS130/6-200-P-LSS-4101

A06B-0147-B084#7075 FANUC SERVO MOTORS

0-51879-5 PRL GATE AMP PGAF

OKUMA 1006-1216-71-039 USPP 1006121671039

ALLEN BRADLEY 1756-L62 USPP 1756L62

ALLEN BRADLEY 1336F-BRF150-AA-EN-GMS1 USPP 1336FBRF150AAENG

GENERAL ELECTRIC CR306G002 NSFP CR306G002

SYMAX 8020-SCP-544 NSFP 8020SCP544

SIEMENS OP-20/220-5 USPP OP202205

CARRIER HK50AA001 USPP HK50AA001

Siemens 6ES5 948-3UA11 6ES59483UA11

Siemens Simatic S5 6ES5-470-7LB11 Analog Output Module

SIEMENS 6ES5-725-0AK00 NSFP 6ES57250AK00

Siemens 6ES5 491-0LA11 USPP 6ES54910LA11

Siemens 6AV6 640-0DA11-0AX0 6AV66400DA110AX0 FreeShip

SIEMENS LOGO 230RC 6ED1 052-1FB00-0BA1 6ED1052-1FB00-0BA1 #1

S HP 4Gb Virtual Connect Fibre Channel 409513-B21

Telemecanique LA8DN11

SIEMENS S5 6ES5 316-8MA12 IM316 Interface Module

Wago 758-874/000-110 WAGO-I/O-IPC-C6 Linux 2.6 codesys visu

SIEMENS 6SE7090-0XX84-0AD1 Card 6SE70900XX840AD1 version 99% , no box

Modicon AS-M84A-001

Schneider Modicon AS-B872-100 ASB872100

Schneider Modicon ASB832016 800 Series Module AS-B832-016

Schneider Modicon AS-B872-002 ASB872-002 Analog 4-20mA Output

Schneider Modicon /Modicon TSX Compact AS-BDAP-217 ASBDAP217

Schneider Modicon DAP 208/AS-BDAP-208

Schneider Modicon AS-J378-000 Modem Assembly / GOULD

SCHNEIDER ELECTRIC ZB4BW0G31 INDICATOR LED PANEL MNT GREEN 120V

SIEMENS 6ES5 431-8MA11 6ES54318MA11 24VDC Input ModuleXLNT

Rigol Digital Color Oscilloscope 60MHz dual CH DS1062CA

SIEMENS A1-106-101-507/R1-106-101-507 CONTROL BOARD XLNT

SIEMENS Sinumerik I/0-Modul 6FC3984-3RA

RELAIANCE REMOTE I/O COMMUNICATION MODULE 57C416 57C-416

SIEMENS Driver 6SN1118-0DK23-0AA2 (6SN11180DK230AA2)NIB

SIEMENS SINUMERIK 840D/DE NCU 572.2 6FC5357-0BB21-0AE0 NIB

SIEMENS 6FC3988-7AH13 Display Unit

AllenBradley2711E-T10C6PanelView1000ETouchscreenInterfaceRev.D

Allen Bradley Transformer Pilot Light 800T-P26

ABB IRB 2400 SER 24-29214 ROBOT S4C PLUS CNTRLR TEACH PENDANT W/ MATCHED SET

Advanced Fiber Solutions OLK61-SM-SC, SM source and Meter 1310/1550 SC

(Q3-1) 1 GE SKPA36AT1200 CIRCUIT BREAKER Q3-1

MEASUREX 51401288-200 USPP 51401288200

ALLEN BRADLEY 1336F-BX040-AX-EN-L6 USPP 1336FBX040AXENL6

GEMCO ELECTRIC 1989-A-16-R-12-S-C-M NSPP 1989A16R12SCM

FANUC A16B-3200-0330 USPP A16B32000330

SIEMENS 6ES5-241-3CA13 USPP 6ES52413CA13

RELIANCE ELECTRIC 610113T NSFP 610113T

SIEMENS HMD63F800 USPP HMD63F800

Siemens 6ES5 470-8MA11 6ES54708MA11

Siemens 6ES5-951-7LD21 NSPP 6ES59517LD21

SIEMENS 6ES5-441-8MA11 6ES54418MA11 INPUT MODULE 5 NOS WITH BASE

Siemens 6ES5 100-8MA01 CPU MODULE 100S5-100U

Siemens S5 6ES5-955-3LF41 POWER SUPPLY Box Marked as Repaired

Siemens C98043-A1604-L3-03 no packaging