EP2305840A4 - Procédé pour construire et réparer un corps de haut-fourneau - Google Patents

Procédé pour construire et réparer un corps de haut-fourneau

Info

Publication number
EP2305840A4
EP2305840A4 EP09803034.9A EP09803034A EP2305840A4 EP 2305840 A4 EP2305840 A4 EP 2305840A4 EP 09803034 A EP09803034 A EP 09803034A EP 2305840 A4 EP2305840 A4 EP 2305840A4
Authority
EP
European Patent Office
Prior art keywords
constructing
blast furnace
repairing body
repairing
blast
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP09803034.9A
Other languages
German (de)
English (en)
Other versions
EP2305840B1 (fr
EP2305840A1 (fr
Inventor
Masao Fujita
Takahiro Kumeta
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JFE Steel Corp
Original Assignee
JFE Steel Corp
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 JFE Steel Corp filed Critical JFE Steel Corp
Publication of EP2305840A1 publication Critical patent/EP2305840A1/fr
Publication of EP2305840A4 publication Critical patent/EP2305840A4/fr
Application granted granted Critical
Publication of EP2305840B1 publication Critical patent/EP2305840B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/04—Blast furnaces with special refractories
    • C21B7/06—Linings for furnaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B1/00—Shaft or like vertical or substantially vertical furnaces
    • F27B1/10—Details, accessories, or equipment peculiar to furnaces of these types
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/16—Making or repairing linings increasing the durability of linings or breaking away linings

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
EP09803034.9A 2008-07-31 2009-07-24 Procédé pour construire et réparer un corps de haut-fourneau Active EP2305840B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2008197927 2008-07-31
JP2009133364A JP5540568B2 (ja) 2008-07-31 2009-06-02 高炉炉体の建設および改修の方法
PCT/JP2009/063625 WO2010013793A1 (fr) 2008-07-31 2009-07-24 Procédé pour construire et réparer un corps de haut-fourneau

Publications (3)

Publication Number Publication Date
EP2305840A1 EP2305840A1 (fr) 2011-04-06
EP2305840A4 true EP2305840A4 (fr) 2014-04-23
EP2305840B1 EP2305840B1 (fr) 2016-03-23

Family

ID=41610490

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09803034.9A Active EP2305840B1 (fr) 2008-07-31 2009-07-24 Procédé pour construire et réparer un corps de haut-fourneau

Country Status (6)

Country Link
EP (1) EP2305840B1 (fr)
JP (1) JP5540568B2 (fr)
KR (1) KR101179806B1 (fr)
CN (1) CN102112634B (fr)
BR (1) BRPI0916610A2 (fr)
WO (1) WO2010013793A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5739237B2 (ja) * 2011-06-02 2015-06-24 Ｊｆｅスチール株式会社 重量物の搬出方法及び搬入方法
JP6115444B2 (ja) * 2012-10-30 2017-04-19 Ｊｆｅスチール株式会社 構造物更新方法及び構造物建設方法
CN106755680B (zh) * 2017-01-12 2018-09-18 马钢集团设计研究院有限责任公司 一种中小型厚壁高炉炉壁改造方法及其结构
CN109457073A (zh) * 2018-11-16 2019-03-12 中冶天工集团有限公司 一种大容积高炉炉体离线组装推移方法
JP7163167B2 (ja) * 2018-12-19 2022-10-31 Ｊｆｅプラントエンジ株式会社 炉体の解体方法
KR102012148B1 (ko) * 2019-01-04 2019-08-19 오세현 버슬 파이프 시공 및 해체방법
KR102015752B1 (ko) * 2019-08-12 2019-08-28 오세현 버슬 파이프 시공 및 해체방법
JP7152045B2 (ja) 2020-10-29 2022-10-12 有限会社大洋産業 吊り下げ構造物の解体方法
CN113201612B (zh) * 2021-04-09 2022-07-12 北京首钢建设集团有限公司 一种高炉放残铁施工中铜冷却壁快速拆除装置及方法
CN114686625A (zh) * 2022-01-29 2022-07-01 北京首钢股份有限公司 一种高炉放残铁方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0182511A1 (fr) * 1984-10-30 1986-05-28 Davy Mckee (Stockton) Limited Procédé de construction d'un haut-fourneau
JPH09143521A (ja) * 1995-11-28 1997-06-03 Kawasaki Steel Corp 高炉の短期改修・建設方法
EP1048741A1 (fr) * 1999-04-30 2000-11-02 Kawasaki Steel Corporation Procédé et dispositif pour la rénovation rapide ou construction d'un haut fourneau

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0671999B2 (ja) 1991-12-27 1994-09-14 株式会社大滝油圧 重量物の吊上げ装置
JP3157723B2 (ja) * 1996-09-03 2001-04-16 川崎製鉄株式会社 炉体リングブロックの接続方法
JP3111029B2 (ja) 1996-09-03 2000-11-20 川崎製鉄株式会社 炉体ブロックの芯合わせ方法
JP3539885B2 (ja) * 1999-03-31 2004-07-07 Ｊｆｅスチール株式会社 炉体リングブロックの移動式吊換装置及び高炉炉体解体方法並びに高炉炉体構築方法
JP2001003109A (ja) * 1999-06-18 2001-01-09 Sankyu Inc 炉体マンテルの芯合わせ方法及び装置
JP2006125563A (ja) 2004-10-29 2006-05-18 Otaki Jack Kk ワイヤークランプ装置
JP4784209B2 (ja) * 2005-08-30 2011-10-05 Ｊｆｅスチール株式会社 高炉建設方法および高炉解体方法
JP4984493B2 (ja) * 2005-11-02 2012-07-25 Ｊｆｅスチール株式会社 高炉解体方法および高炉建設方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0182511A1 (fr) * 1984-10-30 1986-05-28 Davy Mckee (Stockton) Limited Procédé de construction d'un haut-fourneau
JPH09143521A (ja) * 1995-11-28 1997-06-03 Kawasaki Steel Corp 高炉の短期改修・建設方法
EP1048741A1 (fr) * 1999-04-30 2000-11-02 Kawasaki Steel Corporation Procédé et dispositif pour la rénovation rapide ou construction d'un haut fourneau

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
FUJITA M ET AL: "SHORT TERM REVAMPING OF NO. 6 BLAST FURNACE IN CHIBA WORKS", REVUE DE METALLURGIE - CAHIERS D'INFORMATIONS TECHNIQUES, REVUE DE METALLURGIE. PARIS, FR, vol. 96, no. 3, 1 March 1999 (1999-03-01), pages 349 - 357, XP000828699, ISSN: 0035-1563 *
See also references of WO2010013793A1 *

Also Published As

Publication number Publication date
EP2305840B1 (fr) 2016-03-23
KR101179806B1 (ko) 2012-09-04
CN102112634B (zh) 2016-03-16
EP2305840A1 (fr) 2011-04-06
JP2010053441A (ja) 2010-03-11
CN102112634A (zh) 2011-06-29
KR20110020313A (ko) 2011-03-02
BRPI0916610A2 (pt) 2015-11-10
JP5540568B2 (ja) 2014-07-02
WO2010013793A1 (fr) 2010-02-04

Similar Documents

Publication Publication Date Title
EP2305840A4 (fr) Procédé pour construire et réparer un corps de haut-fourneau
SI2485751T1 (sl) Glyx-13 za uporabo pri postopku za zdravljenje refraktorne depresije
GB2449648B (en) Apparatus and method of body characterisation
EP2464755A4 (fr) Procédés et kits de marquage de l'extrémité 3' de l'arn
EP2223000A4 (fr) Procede de reparation et/ou de renforcement de canalisations
EP2186592A4 (fr) Procédé de réparation
BRPI0907889A2 (pt) Método para a fusão de ferro-gusa com recirculação de gás de alto-forno e com a adição de hibrocarbonetos
EP2395307A4 (fr) Procédé de cuisson par microondes, et four de cuisson par microondes
EP2431484A4 (fr) Procédé de fonctionnement d'un haut-fourneau
EP2258879A4 (fr) Procédé de séparation de gaz de haut fourneau
LU91493B1 (en) Method for operating a blast furnace and blast furnace installation
EP2253915A4 (fr) Procédé et appareil pour la séparation de gaz de haut fourneau
EP2254595A4 (fr) Procédés et compositions pour réduire l impact de maladies entériques
GB2457493B (en) Apparatus and method for comminution of mineral ore
EP2434025A4 (fr) Procédé de désulfuration de fer fondu
EP2404705A4 (fr) Procédé de détermination de conditions de grenaillage
EP2634161A4 (fr) Procédé de production de corps cuit et four de cuisson utilisé aux fins du procédé
EP2416107A4 (fr) Procédé de traitement de sautage et dispositif de traitement de sautage
ZA201001047B (en) Tuyere for manufacturing molten iron and method for injecting gas using the same
TWI369976B (en) Method of assisting radiotherapy and apparatus thereof
ZA201201140B (en) Method of demolishing furnace of multilayered-refractory structure
EP2256227A4 (fr) Procédé de réparation d'un élément
HK1174825A1 (en) Composition and method for skin repair
EP2202324A4 (fr) Four vertical et son procédé de fonctionnement
ZA201105571B (en) Method of blasting

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20110119

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

AX Request for extension of the european patent

Extension state: AL BA RS

DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20140320

RIC1 Information provided on ipc code assigned before grant

Ipc: C21B 7/06 20060101ALI20140314BHEP

Ipc: F27B 1/10 20060101ALI20140314BHEP

Ipc: F27D 1/16 20060101ALI20140314BHEP

Ipc: C21B 7/00 20060101AFI20140314BHEP

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

INTG Intention to grant announced

Effective date: 20150918

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 783222

Country of ref document: AT

Kind code of ref document: T

Effective date: 20160415

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602009037137

Country of ref document: DE

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 8

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20160323

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160323

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160623

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160624

REG Reference to a national code

Ref country code: AT

Ref legal event code: MK05

Ref document number: 783222

Country of ref document: AT

Kind code of ref document: T

Effective date: 20160323

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160323

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160323

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160323

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160323

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160323

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160323

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160723

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160323

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160323

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160725

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160323

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160323

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160323

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160323

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160323

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602009037137

Country of ref document: DE

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160323

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160623

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

26N No opposition filed

Effective date: 20170102

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20160724

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160323

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20160731

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20160731

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20160724

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160323

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 9

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20160724

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20160724

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20090724

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160323

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 10

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160323

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160323

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160323

Ref country code: MT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20160731

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20230620

Year of fee payment: 15

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 20230616

Year of fee payment: 15

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20230531

Year of fee payment: 15