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　　在現(xiàn)代制藥工業(yè)的生產(chǎn)過程中，不可避免地要使用大量的化學與生物制劑，這帶來的一個結(jié)果是在生產(chǎn)的每個步驟都會排放出成分復雜的尾氣，以揮發(fā)性有機化合物(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”，簡稱為“RTO”)
　　二、RTO工作原理
　　把有機廢氣加熱到760攝氏度以上，使廢氣中的VOC在氧化分解成二氧化碳和水。廢氣首先通過蓄熱體加熱到接近熱氧化溫度，而后進入燃燒室進行熱氧化，氧化后的氣體溫度升高，有機物基本上轉(zhuǎn)化成二氧化碳和水。凈化后的氣體，經(jīng)過另一蓄熱體，溫度下降，達到排放標準后排放。不同蓄熱體之間通過切換閥，隨時間進行轉(zhuǎn)換，分別進行吸熱和放熱。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”用于預熱后續(xù)進入的有機廢氣，從而節(jié)省廢氣升溫的燃料消耗。陶瓷蓄熱體應分成兩個(含兩個)以上的區(qū)或室，每個蓄熱室依次經(jīng)歷蓄熱-放熱-清掃等程序，周而復始，連續(xù)工作。蓄熱室“放熱”后應立即通過反吹風機對該蓄熱室進行清掃(以保證VOC去除率在95%以上)，只有待清掃完成后才能進入“蓄熱”程序。RTO設(shè)備的工作流程見下圖：
　三、控制要求和方法
　　3.1. 燃燒器控制
　　氧化室安裝一個帶比例調(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PID調(diào)節(jié)器自動調(diào)節(jié)，當燃燒器運行時，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)，進行溫度限制。此外，燃燒系統(tǒng)還帶有熄火保護、超溫報警和超溫自動停燃燒器等功能。
3.2.進氣、出氣、清掃流程的切換
　　該設(shè)備有三個蓄熱室，一個公共氧化室，有機廢氣通過鼓風機送入蓄熱室1，吸熱后進入氧化室，蓄熱室1因放熱而降溫，燃燒升溫后的氣體進入蓄熱室2，通過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。同時蓄熱室3空間中殘留未處理的VOC廢氣被反吹風機吹回氧化室焚化處理。經(jīng)過一段時間(約2分鐘(可設(shè)定))后，氣流改變方向從蓄熱室2進入氧化室，通過蓄熱室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，同時蓄熱室1處于清掃狀態(tài)，經(jīng)過一段時間(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：

OMRON C500-NC211 USPP C500NC211

ORIENTAL MOTOR UDX5128 NSFP UDX5128

Siemens 6ES5 456-4UA11 6ES54564UA11

Siemens 6ES5-928-3UB11 USPP 6ES59283UB11

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

Siemens 6ES5 440-8MA21/6ES5440-8MA21 OUTPUT MODULE XLNT

Siemens 6ES7 131-4BD00-0AA0 with 6ES7 193-4CA20-0AA0

Siemens 6SE7090-0XX84-0AB0 Masterdrives CUVC Board ~VERSION~, REAL PHOTOS

Siemens 6ES7 332-5HD01-0AB0 -- 6ES73325HD010AB0

Siemens U-20T

MODICON AS-J810-000 INTERFACE MODULE ASJ810000

WS-X4712-SFPE Cisco Catalyst 4500 E-Series 12Pt.-10GBE SFP MODULE

SIEMENS 6ES7 413-1XG02-0AB0 6ES74131XG020AB0

Siemens Rectifier Module GR40

Reliance 0-57200

Schneider Modicon MARILYN MONROE - Marilyn AS úLTIMAS SESSES Michel - BOOK / PORT.

Schneider Modicon AS-B247-001 USPP ASB247001

Schneider Modicon AS-P933-001 NSFP ASP933001

Schneider Modicon AS-B829-116 5V TTL FAST INPUT

Schneider Modicon AS-B801-000 ASB801000 Spare Slot Filler LNC

MODICON MM-PMC2-300 OPERATOR INTERFACE PANEL

Siemens Simatic 505-4232A 110VAC Input Module

SIEMENS 6ES5-315-8MA11 NSPP 6ES53158MA11

SIEMENS S5 PLC 6ES5-440-8MA21 OUTPUT MODULE PARTS FOR 3 MONTH WARRANTY

SIEMENS 6DD1-684-0AB0/6DD1684-0AB0 RIBBON CABLE APPROX. 2 METERS NNB

SIEMENS SINUMERIK 820 6EW1861-3AB POWER SUPPLY 6EW18613AB

SIEMENS 6SN1-112-1AB00-0BA0 NSFP 6SN11121AB000BA0

SIEMENS SimoDrive 650 I/O 6SC6500-OBB01 _6SC 6500-0BB01

SIEMENS 6FC9348-7DM Cable Connector - Surplus

Advantech MIC-3351

ALLEN-BRADLEY 1771-ODC/B ISOLATED AC OUTPUT MODULE

ABB ACS601-0060-4-000B1200801

Adaptive Alpha Vision PC Stadium Sign AVPC320112T3 _ AVPC32O112T3

6ES7478-2DA10-0AC0 Brand , Factory Sealed,

9004V012X5 SQUARE D 9004 V012X5

SQUARE D NF1000G3N2 NSFP NF1000G3N2

CONTROL TECHNIQUES FX-6120 USPP FX6120

BENTLY NEVADA 3300-16-02-01-01-01-02-00 USPP 3300160201010102

MTS SYSTEMS CO 469876-01 USPP 46987601

MAYR 4105418 USPP 4105418

FANUC A06B-0502-B002 USPP A06B0502B002

Siemens 6ES5 155-3UA12 6ES51553UA12

Siemens 6ES5-465-4UA13 USPP 6ES54654UA13

SIEMENS 6ES5 090-8MA01 6ES5 090-8MA01S5-90U Controller 60 DAYS WARRANTY

SIEMENS S5 6ES5-464-8ME11 ANALOG INPUT

Siemens 2pcs S5 6ES5 316-8MA12 Interface Module

Siemens 6ES7332-7ND02-0AB0 6ES7 332-7ND02-0AB0 NIB

Siemens SITOR Fuse 3NE3336 3NE3 336

Siemens 6ES5373-0AA41

Inc VAT tested

YOSHIMURA FOR KAWASAKI KFX450R 08-10

Siemens 6ES5464-8MC11 6ES5 464-8MC11

SIEMENS MP277-10 6AV6 643-0CD01-1AX1 Touch Glass

Omron S82G-1524

Schneider Modicon AS-BADU-206/ASBADU206 Analog Input NICEOFFERS ACCEPTED

Schneider Modicon AS-506P-F32 NSPP AS506PF32

Schneider Modicon AS-J892-101 INTERFACE MODULE S908 RIO INTERFACE ASCII

Schneider Modicon AS-5318-000 NSPP AS5318000

Schneider Modicon ICC/Cyberline 100-0037 Control Card AS-IS

Schneider Modicon Automation AS-B805-016 16 PLC Module

SIEMENS/TEXAS INSTRUMENTS 505-6108 INPUT MODULE XLNT

Schneider TWIDO TWDLMDA40DUK

Siemens Sinumerik Machine Control Panel 3T 548 025 9004

SIEMENS 500-5056 DIGITAL OUTPUT MODULE 5005056

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

Comms Option Module Control Techniques Communications Module E/W: 267743

SIEMENS SIMODRIVE 6SN1146-1AB00-0BA1SINUMETIK 840D NCU-BOX 6FC5247-0AA00-0AA2#4

SIEMENS SIMODRIVE 6SN1145-1AA01-0AA1SINUMETIK 840D NCU-BOX 6FC52476FC5357 6SN

Advantech Input Module ADAM-3011 NIB

ALLEN-BRADLEY 6181-ACAAZZZZZ Operator Interface Panel

ABB 3HAB2207-1/3 DRIVE BOARD 3HAB22071

ACCURAY 083886-001 USPP 083886001

A06B-6117-H104 FANUC SERVO AMP MODULE

809A08E ALLEN BRADLEY 809 A08E

SIEMENS 6ES5-581-1EA11 USPP 6ES55811EA11

ASEA BROWN BOVERI 52700141 USPP 52700141

ALLEN BRADLEY 6182H-12TRH4A USPP 6182H12TRH4A

LENZE EVS9327-ES USPP EVS9327ES

HARMONIC DRIVE 479543-1 NSFP 4795431

ALLEN BRADLEY 1336-B003-EAD-FA2-L3-S1 NSPP 1336B003EADFA2L3

RELIANCE ELECTRIC 0-51839-11 NSPP 05183911

Siemens 6ES5-350-3KA21 NSPP 6ES53503KA21

SIEMENS 6ES5 441-7LA13 6ES54417LA13

SIEMENS Serial Interface Module 6ES5 521-8MA22 SURPLUS No Paperwork

Siemens MODULES5 6ES5 422-8MA11 6ES54228MA11

Siemens 6ES7 235-0KD22-0XA0 6ES7235-0KD22-0XA0 FreeShip

SIEMENS OP7 6AV3607-1JC30-0AX1 Membrane Keypad

PWR-RPS2300 CISCO REDUNDANT POWER SYSTEM 2300 AND BLOWER

GPNP NT512 NT384 ISDN Interface Module

Trillium Panther II 90-0471 PII SMDR Interface Module

SIEMENS 64kB MMC 6ES7 953-8LF20-0AA0 in Box

Siemens GSM TC35 SIM CARD

Modicon PP-0105-000

Schneider Modicon GOULD AS-B557-000 INPUT MODULE 5V TTL

Schneider Modicon ASH827103 800 Series Rack AS-H827-103

Schneider Modicon AS-D285-036 NSFP ASD285036

Schneider Modicon AS-P840-000

Schneider Modicon ADU205/AS-BADR-205

Schneider Modicon Modem Assembly AS-J378-000 Old Stock

Schneider Telemecanique XBTZ9731 Cable

Schneider Modicon TM2AMI8HT in Box

Price includes VAT-Good conditiongood working order

SIEMENS 6ES5 450-8MD11 DIGITAL OUTPUT MODULE

SIEMENS 6FC5235-0AA05-0AA1 SINUMERIK 3.5 FLOPPY

HONEYWELL 620-0042 CIM 6200042 COMMUNICATION INTERFACE MODULE CARD

SIEMENS SIMODRIVE 6SN1145-1BA02-OCAO

SIEMENS Sinumerik 805 6FC4100-1AA00-Z Free Ship

SIEMENS MOORE 162566-61-1 16256-61-1 BDM TERMINATE MODULE TERMINATION 22594

Allen-Bradley PanelView 1400e 2711E-T14C6 Ser C Rev A

555DXRE Electric Conduit Bender w/ 12580 Shoe Group 1/2" a€“ 2" Rigid/EMT

ABB TRANSFORMER 3HAB-7167-1 475-600V 3 PH 3HAB7167-1 475-600V

A06B-0153-B084#7076 FANUC SERVO MOTORS REMANUFACTURED

7300AVPT1 ALLEN BRADLEY POWER SUPPLY REMANUFACTURED

RELIANCE ELECTRIC 3RA2008 USPP 3RA2008

ALLEN BRADLEY 1785-L60L/E USPP 1785L60LE

ALLEN BRADLEY 150-A35NCD USPP 150A35NCD

GENERAL ELECTRIC IS200VCRCH1ABA NSPP IS200VCRCH1ABA

TOTAL CONTROL PRODUCTS QPI-3D200-C2P USPP QPI3D200C2P

SYMAX 8030-ROM-122 NSFP 8030ROM122

FOXBORO A7000DV USPP A7000DV

Siemens 6ES5-102-8MA02 NSFP 6ES51028MA02

SIEMENS 6ES5 373-0AA81 6ES53730AA81

SIEMENS 6ES5-941-7UA11 USPP 6ES59417UA11

Siemens 6ES5 737-1CB00 USPP 6ES57371CB00

Siemens 6ES5 095-8MC03

Siemens LOGO! DM8 12/24R 6ED1 055-1MB00-0BA1

Rexroth Indracontrol L40 CML40.1-NP-220-NA-NNNN-NW

Texas Instruments 2493295-0002

SPEEDTRONIC MODULE DS3820 PIMB INTERFACE IN BOX

VWIC-1MFT-G703 CISCO 1-PORT RJ-48 MULTIFLEX TRUNK G.703

Siemens C7-634 6ES7634-1DF02-0AE3 Membrane Keypad

Modicon AS-T584-204

Schneider Modicon AUTOMATION DEP216/AS-BDEP-216/ 042244630

Schneider Modicon TSX Compact DAP 220/AS-BDAP-220 DAP220ASBDAP220

Schneider Modicon AS-B885-111 MODULE MOTION ASB885111

Schneider Modicon AS-B575-201

Schneider Modicon PLC AS-P890-000 AS-IS PARTS OR REPAIR

Schneider Modicon AS-P965-000 | 12 mo. warranty | Free UK/EU Shipping | Price Inc UK VAT

Schneider Automation / Modicon PanelMate Plus MM-PM22400C WARRANTY

Sharp JW-34N INPUT MODULE 32POINTS 12/24 VDC

RELIANCE ELECTRIC 0-49005-5 LINEAR VOLTAGE TIME UNIT

SIEMENS 6ES7-131-4BD00-0AA0/6ES7131-4BD00-0AA0 OUTPUT MODULE LOT OF 2 XLNT

SIEMENS 6DD1642-0BC0Analog Output Module SDYND EA12

OMRON 3G2A9-AL004-PE COMMUNICATIONS MODULE

SIEMENS SIMODRIVE 611 6SN1111-0AA01-1BA1

SIEMENS Sinumerik Operator Panel 6FC5203-0AF26-0AA0-Z 6FC5203 0AF26 0AA0 Z

SIEMENS Jacobs Chuck 0080725FC JCCAT40xER25-6-FC Tool Holder

ALLENBRADLEY1771OBOUTPUTMODULE8POINT12-24VDC

Allen Bradley SLC-500 Input Module 16-Point 1746-IA16

ABB PFV1-101 POWER SUPPLY PFV1101 YM110001SP

york 031-01065-002 control board rev h

/REFURB REXROTH INDRAMAT HDS03.2-W075N-HS12-01-FW

MODICON AS-506P-F32 USPP AS506PF32

ALLEN BRADLEY 1394-SJT10-C-RL USPP 1394SJT10CRL

GETTYS 110-235 NSFP 110235

GE FANUC IC3600AVIA1D USPP IC3600AVIA1D

SIEMENS 6SC9121-5CD15 USPP 6SC91215CD15

SIEMENS 3VL31252GB300AA0 NSFP 3VL31252GB300AA0

ALLEN BRADLEY 1305-BA09A-DE USPP 1305BA09ADE

Siemens 6ES5 921-3UA12 -- 6ES59213UA12

Siemens S5 6ES5 928-3UB11 6ES59283UB11 Processor

SIEMENS 6ES5-470-8MB11 USPP 6ES54708MB11

Siemens 6ES5 430-7LA11S5 Input Module 17789

Siemens S5 Sub Rack CR1 6ES5 700-1LA12 E Stand 01

Siemens DCS Module 6DS1327-8AA in Box, Seal opened,

SEALEDASA5540-AIP20-K9 CISCO 5540 W/AIP-SSM-20 SW HA 4GE1FE 3DES/AES

Square D 8501 XC1

Siemens 6ES5301-3AB13 Interface Module 60 DAY WARRANTY FREE

WE SHIP SAME CISCO WS-C3750V2-24PS-E SWICTH 1 YR 3750V2-24P

Siemens 6GK7 443-1EX11-0XE0 6GK74431EX110XE0 NIB

Siemens TP177B 6AV6642-0BA01-1AX0 Touchscreen Glass

Schneider Modicon / TSX Compact AS-P120-250 AC Power Supply - ASP120250

Schneider Modicon ASBADU206 TESTED and GUARANTEED Compact Analog Input AS-BADU-206

Schneider Modicon AS-B873-001 INPUT MODULE ANALOG 4-20MA 4POINT

Schneider Modicon AS-B875-111

Schneider Modicon AS-C921-000

Schneider Modicon AS-BBKF-201 Interbus-S Master Module

Schneider/Modicon MM-PM21400C PanelMate Plus 2000C

SIEMENS 6ES7 321-1BH50-0AA0 DIGITAL INPUT MODULE GOOD TAKEOUT

Sans Digital HA-ARC-ARC1223X 2-Port Mini-SAS 6G SAS/SATA PCIe 2.0 x8 Controller

SIEMENS EA-12 ANALOG OUTPUT MODULE 6DD1642-0BC0

SIEMENS SINUMERIK 810 6FX1128-1BA00 WITH MODULES TESTED WARRANTY

Siemens 505-7354 Communication Module Peer Link

SIEMENS 6SN1145-1BA01-0DA1 | 12mo warranty | Free EU Shipping | Inc UK VAT

SIEMENS 6SN1112-1AB00-1AA0 6SN1 112-1AB00-1AA0 SIMODRIVE 611 Capacitor Module

SIEMENS 6FC5-114-0AA02-0AA0 USPP 6FC51140AA020AA0

AllenBradleyMountingClipKit4-PiecePanelview600Cat77135-166-55

ALLEN BRADLEY X-232820 NSFP X232820

ABB DSQC 115

Adimec MX12P Progressive scan Camera (ISS1.0) w/ Nikon AF Nikkor 1:1.8 85MM Lens

(A0) 1 Brand Rosemount 3051S Transmitter SEE PICS (A0)

INDRAMAT TVD1.3-08-03 USPP TVD130803

YAMATAKE 82114805-501 USPP 82114805501

FANUC A20B-0002-0942 NSPP A20B00020942

ENDRESS & HAUSER 33FT50-AD1AA11A21A NSPP 33FT50AD1AA11A21

RELIANCE ELECTRIC 86495-1R USPP 864951R

OMRON CVM1-CPU21-EV2 USPP CVM1CPU21EV2

PACIFIC SCIENTIFIC R46GENA-TS-NS-VS-00 NSFP R46GENATSNSVS00

Siemens 6ES5 451-4UA13 -FS- 6ES54514UA13

Siemens 6ES5-922-3UA11 NSFP 6ES59223UA11

SIEMENS 6ES5-420-3BA11 USPP 6ES54203BA11

Siemens 6ES5 441-8MA11 Digital Output Module 26675

Siemens S5 6ES5 421-8MA12 INPUT MODULE 2 BASE

Siemens 6SE7090-0XX84-6FF5

Siemens 6ES7 331-7KF02-0AB0 -- 6ES73317KF020AB0

Spectrum Controls 8000 SCP-204

Nady UIM-2X USB Interface Module with Phantom Power

WS-X45-SUP6L-E Cisco Supervisor Engine 6L-E Control processor

SIEMENS 6ES7 621-1AD01-0AE3 C7-621 99%

Siemens RWX62.734/509 Controller

Reliance 11C409S

Schneider Modicon Helen .. Right As Rain

Schneider Modicon AS-B260-010 USPP ASB260010

Schneider Modicon AS-S202-020 USPP ASS202020

Schneider Modicon AS-B840-108 800 I/O REED RELAY MODULE

Schneider Modicon AS-B804-016 ASB804016 16 Point 120 VAC Output

MODICON MM-PM10-200 PANELMATE PLUS MONITOR

SIEMENS SIGA-CC1-LG MODULE SINGLE INPUT SIGNAL-

Siemens 6ES5 523-3UA11 6ES55233UA11

SIEMENS S5 6ES5 458-7LA11 Relay Output Module

SIEMENS 6DD3-470-0AD0/6DD3470-0AD0 BOARD XLNT

SIEMENS SINUMERIK 840D/DE NCU 572.4 6FC5357-0BB23-0AE0 NIB

SIEMENS 6SN1113-1AB01-0BA1 Pulsed Resistor Simodrive -

SIEMENS Simodrive 611 E/R 6SN1146-1BB00-0DA1 NIB