TR201904832T4 - Flue gas treatment apparatus and its operating method. - Google Patents

Flue gas treatment apparatus and its operating method. Download PDF

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Publication number
TR201904832T4
TR201904832T4 TR2019/04832T TR201904832T TR201904832T4 TR 201904832 T4 TR201904832 T4 TR 201904832T4 TR 2019/04832 T TR2019/04832 T TR 2019/04832T TR 201904832 T TR201904832 T TR 201904832T TR 201904832 T4 TR201904832 T4 TR 201904832T4
Authority
TR
Turkey
Prior art keywords
heating medium
line
flue gas
temperature
boiler
Prior art date
Application number
TR2019/04832T
Other languages
Turkish (tr)
Inventor
shimamura Jun
Okawa Tsuyoshi
Saito Takayuki
Yamane Nobuo
Shimazu Hiromichi
Ochiai Ryota
Ishizaka Hiroshi
Original Assignee
Mitsubishi Hitachi Power Sys
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Hitachi Power Sys filed Critical Mitsubishi Hitachi Power Sys
Publication of TR201904832T4 publication Critical patent/TR201904832T4/en

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Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/30—Technologies for a more efficient combustion or heat usage

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  • Chimneys And Flues (AREA)
  • Treating Waste Gases (AREA)
  • Air Supply (AREA)

Abstract

Bir ısı geri kazanım birimi (birinci cihaz) (9), bir çökeltici (4) ve bir kükürt giderme birimi (6) bu sırayla, bir kazanın (1) baca gazı akış yolunda düzenlenmektedir; bir ısıtma ortamı kullanım birimi (ikinci cihaz) (10), baca gazı akış yolundan bağımsız olan bir bölgede düzenlenmektedir; ve bir ısıtma ortamının dolaştırıldığı ve beslendiği bir ısıtma ortamı dolaşım hattı (11) (giriş tarafı hattı (11a) ve çıkış tarafı hattı (11b)), ikinci cihazın (10) yanından geçerken hattan (11b) ısıtma ortamının hatta (11a) dolaştırılmasına olanak veren bir birinci ısıtma ortamı baypas hattı (13) ve birinci cihazın (9) ve birinci hattın (13) yanından geçerken, hattan (11b) ısıtma ortamının hatta (11a) geri döndürülmesine olanak veren bir ikinci ısıtma ortamı baypas hattı (15), ikinci cihaz (10) ve birinci cihazın (9) arasında düzenlenmektedir. Kazanın (1) çalışmaya başlatılması sırasında veya kazanın (1) yakıcılarının ateşlenmesinden hemen sonra, şu kontrol prosesi gerçekleştirilmektedir: ısıtma ortamı birinci cihaza (9) beslenmeksizin, ısıtma ortamının tamamı ikinci hatta (15) dolaştırılmaktadır; birinci cihazın (9) girişindeki baca gazı sıcaklığı artırıldığında, ısıtma ortamı aşamalı şekilde ısıtma ortamı dolaşım hattına (11) beslenmektedir; hattaki (11a) ısıtma ortamının akış hızı önceden belirlenen bir hız haline geldiğinde ve ardından ısıtma ortamın sıcaklığı önceden ayarlanan bir sıcaklığın altına düştüğünde, birinci cihazın (9) girişine bitişik olan hattaki (11a) ısıtma ortamının sıcaklığının artırılması için, hattan (11b) akan ısıtma ortamı, birinci hat (13) vasıtasıyla birinci cihazın (9) girişine dolaştırılmaktadır; ve birinci cihazın (9) çıkışındaki baca gazı sıcaklığı önceden ayarlanan bir sıcaklığı aştığında, ısıtma ortamının birinci hattan (13) akması engellenmektedir. Dolayısıyla, kazanın çalışmaya başlatılması sırasında, birinci cihazın (9) akış aşağısındaki baca gazı akış yolunun iç kısmının, aşındırıcı bir ortamın içerisine yerleştirilmesi engellenmektedir ve birinci cihazdan (9) akan ısıtma ortamının sıcaklığı stabil şekilde yüksek tutulmaktadır.A heat recovery unit (first device) (9), a precipitator (4) and a desulfurization unit (6) are arranged in the flue gas flow path of a boiler (1) in this order; a heating medium utilization unit (second device) (10) is arranged in a zone independent of the flue gas flow path; and a heating medium circulation line (11) (inlet side line (11a) and outlet side line (11b)) in which a heating medium is circulated and fed, allowing the heating medium to circulate from line (11b) to line (11a) as it passes by the second device (10). a first heating medium bypass line (13), and a second heating medium bypass line (15) that allows the heating medium to be returned to the line (11a) from the line (11b) while passing next to the first device (9) and the first line (13), the second It is arranged between the device (10) and the first device (9). During the start-up of the boiler (1) or immediately after the ignition of the burners of the boiler (1), the following control process is carried out: without the heating medium being fed to the first device (9), the entire heating medium is circulated to the second line (15); When the flue gas temperature at the entrance of the first device (9) is increased, the heating medium is gradually fed to the heating medium circulation line (11); Heating medium flowing from line 11b to increase the temperature of the heating medium in line 11a adjacent to the inlet of the first device 9, when the flow rate of the heating medium in the line 11a becomes a predetermined speed and then the temperature of the heating medium falls below a preset temperature. its medium is circulated to the inlet of the first device (9) via the first line (13); and when the flue gas temperature at the outlet of the first device (9) exceeds a preset temperature, the heating medium is prevented from flowing through the first line (13). Therefore, during the boiler start-up, the interior of the flue gas flow path downstream of the first device 9 is prevented from being placed in a corrosive environment and the temperature of the heating medium flowing through the first device 9 is kept stably high.

TR2019/04832T 2014-05-30 2015-09-01 Flue gas treatment apparatus and its operating method. TR201904832T4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014113263 2014-05-30
JP2014179803A JP2016005830A (en) 2014-05-30 2014-09-04 Flue gas treatment apparatus, and operational method of flue gas treatment apparatus

Publications (1)

Publication Number Publication Date
TR201904832T4 true TR201904832T4 (en) 2019-05-21

Family

ID=55224634

Family Applications (1)

Application Number Title Priority Date Filing Date
TR2019/04832T TR201904832T4 (en) 2014-05-30 2015-09-01 Flue gas treatment apparatus and its operating method.

Country Status (4)

Country Link
JP (1) JP2016005830A (en)
CN (1) CN105318343B (en)
ES (1) ES2715697T3 (en)
TR (1) TR201904832T4 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6468204B2 (en) 2016-01-15 2019-02-13 スズキ株式会社 Preventive safety device when changing course of small vehicle
CN106907729A (en) * 2017-04-17 2017-06-30 上海宁松热能环境工程有限公司 A kind of desulfurization wet flue gas water heat medium formula GGH heating systems

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1054501A (en) * 1996-08-08 1998-02-24 Babcock Hitachi Kk Exhaust gas heat recovery device and method for operating the same
CN103134064A (en) * 2011-11-25 2013-06-05 江苏海德节能科技有限公司 Low-temperature corrosion prevention triple temperature regulation protection system
CN102759096B (en) * 2012-07-24 2015-01-07 西安交通大学 Smoke waste heat utilization system
CN202791972U (en) * 2012-07-25 2013-03-13 上海阿波罗机械股份有限公司 Boiler tail flue gas waste heat utilization system
CN204165066U (en) * 2014-05-30 2015-02-18 巴布科克日立株式会社 Exhaust smoke processing device

Also Published As

Publication number Publication date
CN105318343A (en) 2016-02-10
CN105318343B (en) 2018-11-16
ES2715697T3 (en) 2019-06-05
JP2016005830A (en) 2016-01-14

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