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二次再熱技術(shù)自動化控制的成功應(yīng)用，誕生出了全球效率最高的火電機組。而這項高精尖的技術(shù)又是如何誕生的
　　6月的泰州已經(jīng)有了夏日的悶熱感。走在長江邊的國電泰州電廠內(nèi)，不一會就會熱的滿身大汗。
　　這里是國內(nèi)最早一批百萬千瓦超超臨界火電機組(國電泰州電廠一期兩臺機組)的所在地。而如今，國電泰州電廠二期、世界首臺百萬千瓦超超臨界二次再熱燃煤發(fā)電機組，是當(dāng)今世界上發(fā)電效率最高、供電煤耗最低、環(huán)保指標(biāo)最優(yōu)的火電機組，代表了目前火力發(fā)電領(lǐng)域的最先進水平。
　　論起國電泰州電廠二期能夠成為世界上發(fā)電效率最高、供電煤耗最低、環(huán)保指標(biāo)最優(yōu)的火電機組的首要功臣，非二次再熱技術(shù)莫屬。那么，讓二次再熱技術(shù)能夠安全高效運轉(zhuǎn)的首要功臣，則是北京國電智深控制技術(shù)有限公司研發(fā)的，針對燃煤火電機組二次再熱技術(shù)的DCS系統(tǒng)。
　　DCS系統(tǒng)如何保障了國電泰州電廠二期、世界首臺百萬千萬超超臨界二次再熱燃煤發(fā)電機組的高效運行這套完全自主知識產(chǎn)權(quán)、打破壟斷的系統(tǒng)，又是經(jīng)歷了哪些困難才順利誕生的
　　艱難誕生
　　“二次再熱是煤炭清潔高效利用的一個有效途徑?！北本﹪娭巧羁刂萍夹g(shù)有限公司副總經(jīng)理黃煥袍對記者說，“二次再熱在國外最早可以追溯到上世紀(jì)的60年代。但是國外在二次再熱的利用方面單機最大裝機容量大約只有70萬千瓦。百萬千瓦火電機組的二次再熱是中國首創(chuàng)?！倍卧贌峒夹g(shù)主要是通過在常規(guī)一次再熱機組基礎(chǔ)上增加一級再熱器(鍋爐)和增加超高壓缸(汽機)，進一步提高蒸汽參數(shù)(溫度和壓力)。這些參數(shù)提高之后，那么機組的燃煤效率、熱循環(huán)效率和發(fā)電效率就提高了。
　　這就要求設(shè)備需要重新設(shè)計制造，設(shè)備流程也與之前有了較大的不同。可以說，百萬千瓦二次再熱機組是目前世界上結(jié)構(gòu)最復(fù)雜的燃煤機組。
　　如此大規(guī)模和復(fù)雜的對象，對火電廠的控制系統(tǒng)提出了更高的要求。“最開始，我們對于讓北京國電智深控制技術(shù)有限公司來開發(fā)這一套系統(tǒng)，是存在一定的疑惑的?！眹娞┲莅l(fā)電有限公司副總經(jīng)理張?zhí)K閩對《能源》雜志記者說，“我們當(dāng)時傾向于讓國外有過二次再熱項目業(yè)績的公司來做?！?br /> 　　火電廠控制系統(tǒng)開發(fā)企業(yè)數(shù)量多、競爭激烈。除了外企之外，還有數(shù)量不少的國內(nèi)企業(yè)也參與了競爭。國電智深于2013年11月與國電泰州發(fā)電有限公司簽訂DCS與仿真供貨服務(wù)合同，承擔(dān)了該電廠DCS與仿真系統(tǒng)研發(fā)制造供貨和工程應(yīng)用服務(wù)。
　　國電泰州電廠二期百萬千瓦超超臨界機組二次再熱項目是國家科技支撐計劃項目——“高效率低排放的超600℃百萬千瓦等級超超臨界機組關(guān)鍵技術(shù)研究與工程應(yīng)用”中，課題“二次再熱1000MW超超臨界機組關(guān)鍵技術(shù)工程示范”的依托示范工程。這是世界上首次在百萬千瓦機組上采用超超臨界、二次再熱技術(shù)，是國家燃煤發(fā)電節(jié)能減排示范項目。

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ALLEN-BRADLEY 1771-OA PLC AC OUTPUT MODULE 8 POINT REFU

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WE SHIP SAME Cisco WS-C4948-E CATALYST 4948 48-PORT 1YR

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(8115) Indramat AC Servo Drive FWAECODRV-ASE-04VRS-MS (8115)

INDRAMAT TDM1.4-100-300-W1-000 USPP TDM14100300W1000

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ELEKTROR HRD60-EL-FU-480V-6.5KW NSFP HRD60ELFU480V65K

RELIANCE ELECTRIC 837.20.01 USPP 8372001

OMRON C200H-MC221 NSFP C200HMC221

OMRON CS1H-CPU66H NSFP CS1HCPU66H

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Advantech MIC-3809 A1 02-1

Allen-Bradley 1771-ODC Isolated AC Output Module

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ADAPTIVE POWER SYSTEMS FC-210 - - UN - - - AVIONICS TESTING - POWER SUPPLY

6ES7492-1AL0-01AB0 Brand , Factory Sealed,

9020 DAYTRONIC POWER SUPPLY REMANUFACTURED

SQUARE D NJHN36000S60ABSO NSFP NJHN36000S60ABSO

CONTROL TECHNIQUES MX-1300 USPP MX1300

BERKELEY PROCESS BAM-432T USPP BAM432T

MTS SYSTEMS CO 469876-01L USPP 46987601L

MEASUREX 05361100 USPP 05361100

FANUC A06B-6079-H206 USPP A06B6079H206

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Siemens SL-360 Lithium Battery for S5 PLC NIB FS

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InfoKey RJ11C/W Interface Module 2 RJ11C/W modular jacks.

YOSHIMURA FOR KAWASAKI TERYX 750

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Siemens MP277-10 6AV6 643-0DD01-1AX1 Touch Glass

Omron SP20-DT-D

Schneider Modicon AS-B984-101/ASB984101 High Speed Counter OFFERS ACCEPTED

Schneider Modicon AS-509P-003 USPP AS509P003

Schneider Modicon AS-J892-101 USPP ASJ892101

Schneider Modicon AS-8228-100 USPP AS8228100

Schneider Modicon / Communication Processor Module AS-C921-101

Schneider Modicon AS-B804-116 ASB804116 I/O Module

SIEMENS VIM VOLTAGE INPUT MODULE APACS+ 39VIMCCN APACS+39VIMCCN

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Comm 2000 Learner's Guide Mod. 2 by AIT Staff 1995 Paperback

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809A23E ALLEN BRADLEY 809 A23E

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GSI LUMONICS DSPLINK3 MODULEOPTRA 1-0929-4-0001INTERFACE BOARD 229.055.00

Trimble 39263 Lassen LP Low Power GPS Interface Module

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-73oC TO +315oC, IEEE-488, RS232, RS422 Remote Comms

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GENERAL ELECTRIC SPM-0-0 USPP SPM00

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Texas Instruments 2587678-8005

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ALLENBRADLEY1771OBDSERIESBOUTPUTMODULE

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SCXI Accelerometer Input Modules NI SCXI-1531

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WE SHIP SAME CISCO WS-C3750G-24TS-S1U 3750G-24TS SWICTH 1YR

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