FR3024058B1 - Procede et equipement de refroidissement - Google Patents

Procede et equipement de refroidissement

Info

Publication number
FR3024058B1
FR3024058B1 FR1401679A FR1401679A FR3024058B1 FR 3024058 B1 FR3024058 B1 FR 3024058B1 FR 1401679 A FR1401679 A FR 1401679A FR 1401679 A FR1401679 A FR 1401679A FR 3024058 B1 FR3024058 B1 FR 3024058B1
Authority
FR
France
Prior art keywords
cooling
plate
implementation
equipment
homogeneity
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.)
Active
Application number
FR1401679A
Other languages
English (en)
Other versions
FR3024058A1 (fr
Inventor
Vincent Duhoux
Bruno Magnin
Daniel Bellot
Jose Roche
Pierre Aucouturier
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.)
Constellium Neuf Brisach SAS
Original Assignee
Constellium France SAS
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=51610169&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FR3024058(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Constellium France SAS filed Critical Constellium France SAS
Priority to FR1401679A priority Critical patent/FR3024058B1/fr
Priority to MX2017000483A priority patent/MX2017000483A/es
Priority to CA2954711A priority patent/CA2954711C/fr
Priority to CN201580040948.2A priority patent/CN106661648B/zh
Priority to EP15753101.3A priority patent/EP3171996B1/fr
Priority to BR112017000205-1A priority patent/BR112017000205B1/pt
Priority to JP2017503588A priority patent/JP6585155B2/ja
Priority to EP18159076.1A priority patent/EP3398696B1/fr
Priority to RU2017105464A priority patent/RU2676272C2/ru
Priority to DE15753101.3T priority patent/DE15753101T1/de
Priority to US15/326,753 priority patent/US10130980B2/en
Priority to PCT/FR2015/051915 priority patent/WO2016012691A1/fr
Priority to KR1020177002831A priority patent/KR102336948B1/ko
Priority to TW104123584A priority patent/TWI593476B/zh
Publication of FR3024058A1 publication Critical patent/FR3024058A1/fr
Publication of FR3024058B1 publication Critical patent/FR3024058B1/fr
Application granted granted Critical
Priority to SA517380746A priority patent/SA517380746B1/ar
Priority to US15/962,657 priority patent/US20180236514A1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/004—Heating the product
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/62—Quenching devices
    • C21D1/667—Quenching devices for spray quenching
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D11/00—Process control or regulation for heat treatments
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D11/00—Process control or regulation for heat treatments
    • C21D11/005—Process control or regulation for heat treatments for cooling
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/002—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working by rapid cooling or quenching; cooling agents used therefor
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B21B2001/225—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length by hot-rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
    • B21B2003/001—Aluminium or its alloys
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0203—Cooling
    • B21B45/0209—Cooling devices, e.g. using gaseous coolants
    • B21B2045/0212—Cooling devices, e.g. using gaseous coolants using gaseous coolants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2261/00—Product parameters
    • B21B2261/02—Transverse dimensions
    • B21B2261/04—Thickness, gauge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2261/00—Product parameters
    • B21B2261/02—Transverse dimensions
    • B21B2261/06—Width
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2261/00—Product parameters
    • B21B2261/12—Length
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2261/00—Product parameters
    • B21B2261/20—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0203—Cooling
    • B21B45/0209—Cooling devices, e.g. using gaseous coolants
    • B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
    • B21B45/0218—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes for strips, sheets, or plates

Abstract

L'invention a pour objet un procédé de refroidissement d'un plateau de laminage en alliage d'aluminium, après le traitement thermique d'homogénéisation métallurgique dudit plateau et avant son laminage à chaud, caractérisé en ce que le refroidissement d'une valeur de 30 à 150°C est effectué à une vitesse 150 à 500°C/h, avec une homogénéité de moins de 40°C sur toute la partie traitée du plateau. L'invention a également pour objet l'installation permettant la mise en œuvre dudit procédé ainsi que ladite mise en œuvre.
FR1401679A 2014-07-23 2014-07-23 Procede et equipement de refroidissement Active FR3024058B1 (fr)

Priority Applications (16)

Application Number Priority Date Filing Date Title
FR1401679A FR3024058B1 (fr) 2014-07-23 2014-07-23 Procede et equipement de refroidissement
RU2017105464A RU2676272C2 (ru) 2014-07-23 2015-07-10 Способ и устройство охлаждения
US15/326,753 US10130980B2 (en) 2014-07-23 2015-07-10 Cooling facility and method
CN201580040948.2A CN106661648B (zh) 2014-07-23 2015-07-10 冷却方法和装置
EP15753101.3A EP3171996B1 (fr) 2014-07-23 2015-07-10 Procédé et équipement de refroidissement
BR112017000205-1A BR112017000205B1 (pt) 2014-07-23 2015-07-10 Processo de resfriamento de um lingote de laminação, instalação para a aplicação do processo e utilização da instalação
JP2017503588A JP6585155B2 (ja) 2014-07-23 2015-07-10 冷却方法および冷却施設
EP18159076.1A EP3398696B1 (fr) 2014-07-23 2015-07-10 Procédé et équipement de refroidissement
MX2017000483A MX2017000483A (es) 2014-07-23 2015-07-10 Proceso y equipo de enfriamiento.
DE15753101.3T DE15753101T1 (de) 2014-07-23 2015-07-10 Kühleinrichtung und -verfahren
CA2954711A CA2954711C (fr) 2014-07-23 2015-07-10 Procede et equipement de refroidissement
PCT/FR2015/051915 WO2016012691A1 (fr) 2014-07-23 2015-07-10 Procédé et équipement de refroidissement
KR1020177002831A KR102336948B1 (ko) 2014-07-23 2015-07-10 냉각 설비 및 냉각 방법
TW104123584A TWI593476B (zh) 2014-07-23 2015-07-21 冷卻方法及裝置
SA517380746A SA517380746B1 (ar) 2014-07-23 2017-01-19 وسيلة وطريقة تبريد
US15/962,657 US20180236514A1 (en) 2014-07-23 2018-04-25 Cooling facility and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1401679A FR3024058B1 (fr) 2014-07-23 2014-07-23 Procede et equipement de refroidissement

Publications (2)

Publication Number Publication Date
FR3024058A1 FR3024058A1 (fr) 2016-01-29
FR3024058B1 true FR3024058B1 (fr) 2016-07-15

Family

ID=51610169

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1401679A Active FR3024058B1 (fr) 2014-07-23 2014-07-23 Procede et equipement de refroidissement

Country Status (14)

Country Link
US (2) US10130980B2 (fr)
EP (2) EP3171996B1 (fr)
JP (1) JP6585155B2 (fr)
KR (1) KR102336948B1 (fr)
CN (1) CN106661648B (fr)
BR (1) BR112017000205B1 (fr)
CA (1) CA2954711C (fr)
DE (1) DE15753101T1 (fr)
FR (1) FR3024058B1 (fr)
MX (1) MX2017000483A (fr)
RU (1) RU2676272C2 (fr)
SA (1) SA517380746B1 (fr)
TW (1) TWI593476B (fr)
WO (1) WO2016012691A1 (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6208389B1 (ja) * 2016-07-14 2017-10-04 株式会社Uacj 曲げ加工性及び耐リジング性に優れたアルミニウム合金からなる成形加工用アルミニウム合金圧延材の製造方法
US10350659B2 (en) 2016-10-19 2019-07-16 Nippon Steel & Sumitomo Metal Corporation Cooling method and cooling apparatus for hot-rolled steel sheet
CN108237182A (zh) * 2016-12-27 2018-07-03 天津市升发科技股份有限公司 一种铝型材冷却装置
DE102017127470A1 (de) 2017-11-21 2019-05-23 Sms Group Gmbh Kühlbalken und Kühlprozess mit variabler Abkühlrate für Stahlbleche
CN108225031A (zh) * 2017-12-30 2018-06-29 苏州博能炉窑科技有限公司 一种大型均热炉的汽化冷却设备
FR3076837B1 (fr) 2018-01-16 2020-01-03 Constellium Neuf-Brisach Procede de fabrication de toles minces en alliage d'aluminium 6xxx a haute qualite de surface
KR20230042406A (ko) 2018-05-15 2023-03-28 노벨리스 인크. F* 및 w 조질 알루미늄 합금 제품 및 이를 제조하는 방법
CN112292469A (zh) * 2018-06-13 2021-01-29 诺维尔里斯公司 用于在轧制之后将金属带淬火的系统和方法
US11701697B2 (en) 2018-09-19 2023-07-18 Nippon Steel Corporation Cooling device for hot-rolled steel sheet and cooling method of hot-rolled steel sheet
EP3666915A1 (fr) 2018-12-11 2020-06-17 Constellium Neuf Brisach Methode de fabrication de toles en alliages 6000 avec une qualite de surface elevee
EP3808466A1 (fr) * 2019-10-16 2021-04-21 Primetals Technologies Germany GmbH Dispositif de refroidissement à rayonnement de refroidissement pourvu de section transversale creuse
ES2929001T3 (es) 2019-12-23 2022-11-24 Novelis Koblenz Gmbh Procedimiento de fabricación de un producto laminado de aleación de aluminio
FR3112297B1 (fr) 2020-07-07 2024-02-09 Constellium Neuf Brisach Procédé et équipement de refroidissement sur un Laminoir réversible à chaud
EP4161714A1 (fr) 2020-06-04 2023-04-12 Constellium Neuf Brisach Procede et equipement de refroidissement sur un laminoir reversible a chaud
FR3124196B1 (fr) 2021-06-17 2023-09-22 Constellium Neuf Brisach Bande en alliage 6xxx et procédé de fabrication
CN113432439B (zh) * 2021-07-29 2022-09-06 东北大学 一种铝电解槽停止运作后的冷却方法
FR3129408A1 (fr) 2021-11-25 2023-05-26 Constellium Muscle Shoals Llc Bande en alliage 6xxx et procédé de fabrication
FR3134119A1 (fr) 2022-04-02 2023-10-06 Constellium Neuf-Brisach Tôle en alliage 6xxx de recyclage et procédé de fabrication
CN116042969A (zh) * 2022-12-29 2023-05-02 东北轻合金有限责任公司 一种用于铝合金铸锭的冷却装置及其使用方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53142954A (en) * 1977-05-19 1978-12-13 Kobe Steel Ltd Hot rolling method for slab of aluminum alloy
JPS60243226A (ja) * 1984-05-15 1985-12-03 Kawasaki Steel Corp 熱間圧延材の材質制御方法および装置
JPH0787928B2 (ja) * 1987-07-03 1995-09-27 古河電気工業株式会社 アルミニウム箔地の製造方法
ZA908728B (en) 1989-11-23 1991-08-28 Alusuisse Lonza Services Ag Cooling of cast billets
US6159312A (en) * 1997-12-19 2000-12-12 Exxonmobil Upstream Research Company Ultra-high strength triple phase steels with excellent cryogenic temperature toughness
DE19823790A1 (de) * 1998-05-28 1999-12-02 Vaw Ver Aluminium Werke Ag Lithoband, Druckplattenträger und Verfahren zur Herstellung eines Lithobandes, eines Druckplattenträgers oder einer Offset-Druckplatte
US20040094249A1 (en) 2001-03-28 2004-05-20 Hidetoshi Uchida Aluminum alloy sheet excellent in formability and hardenability during baking of coating and method for production thereof
JP4200082B2 (ja) * 2003-11-18 2008-12-24 古河スカイ株式会社 成形加工用アルミニウム合金板およびその製造方法
CN100437076C (zh) 2005-08-24 2008-11-26 东北大学 一种在金属板带试样热处理试验中消除温度梯度的方法
FI20070622L (fi) 2007-08-17 2009-04-15 Outokumpu Oy Menetelmä ja laitteisto tasaisuuden kontrolloimiseksi ruostumatonta terästä olevan nauhan jäähdytyksessä
EP2028290A1 (fr) * 2007-08-21 2009-02-25 ArcelorMittal France Procédé et équipement de décalaminage secondaire des bandes métalliques par projection d'eau à basse pression hydraulique
EP2656932A1 (fr) * 2012-04-26 2013-10-30 Siemens Aktiengesellschaft Laminage thermomécanique d'une plaque d'aluminium
CN202786334U (zh) * 2012-09-10 2013-03-13 苏州明特威机械设备有限公司 淬火冷却装置

Also Published As

Publication number Publication date
MX2017000483A (es) 2017-07-28
US20180236514A1 (en) 2018-08-23
FR3024058A1 (fr) 2016-01-29
EP3171996B1 (fr) 2018-04-11
EP3171996A1 (fr) 2017-05-31
EP3398696B1 (fr) 2021-05-12
TWI593476B (zh) 2017-08-01
KR102336948B1 (ko) 2021-12-09
RU2017105464A3 (fr) 2018-11-29
EP3398696A1 (fr) 2018-11-07
CN106661648B (zh) 2020-01-07
CN106661648A (zh) 2017-05-10
JP2017521260A (ja) 2017-08-03
RU2017105464A (ru) 2018-08-27
TW201622843A (zh) 2016-07-01
KR20170039166A (ko) 2017-04-10
RU2676272C2 (ru) 2018-12-27
SA517380746B1 (ar) 2021-04-15
JP6585155B2 (ja) 2019-10-02
WO2016012691A1 (fr) 2016-01-28
US10130980B2 (en) 2018-11-20
DE15753101T1 (de) 2017-07-27
CA2954711C (fr) 2023-04-04
CA2954711A1 (fr) 2016-01-28
BR112017000205A2 (pt) 2017-10-31
BR112017000205B1 (pt) 2023-03-14
US20170189949A1 (en) 2017-07-06

Similar Documents

Publication Publication Date Title
FR3024058B1 (fr) Procede et equipement de refroidissement
MX2018004161A (es) Optimizacion del trabajo del aluminio en caliente.
MY176515A (en) A method of forming parts from sheet metal alloy
MX2018007971A (es) Aparato de apagado con enfriamiento rapido y metodo de apagado con enfriamiento rapido.
BR112017014026A2 (pt) método de lingotamento contínuo de placas
EP3383471A4 (fr) Dispositif et méthode de blocage de nerf par refroidissement local jusqu'à température ambiante
TR201909724T4 (tr) Geliştirilmiş şekillendirilebilme ve sünekliğe sahip yüksek mukavemetli çelik sac üretim yöntemi ve elde edilen sac.
SG10201805892UA (en) A Water-Based Closed-Loop Cooling System
EA201791641A1 (ru) Способ и установка для переработки белого шлака, получаемого на этапе производства стали
BR112015028695A2 (pt) método e dispositivo para monitoramento de condições de fabricação de lentes oftálmicas
BR112017014200A2 (pt) ?métodos para tratamento de artigos de vidro?
EA201491188A1 (ru) Ванна электролиза алюминия, содержащая устройство контроля температуры боковых стенок
EA201490507A1 (ru) Способ и устройство для регулирования образования слоя в электролизной ванне для получения алюминия
MX2015017681A (es) Difusion de aluminio - silcio en una lamina de chapa de acero.
Öztürk et al. Investigation of cooling rate on hardness and microstructure in casting fittings materials
MX2017013469A (es) Sistema y metodo para tratamiento termico de piezas fundidas de aleacion de aluminio.
MA45038A (fr) Système de traitement pour la récupération de chaleur et procédé permettant de faire fonctionner ledit système
FR3054026B1 (fr) Procede de refroidissement et/ou de sechage de grains dans un sechoir, installation pour la mise en œuvre du procede
MX2016017369A (es) Procedimiento para fabricar un componente templado en prensa.
CN105755240A (zh) 一种5CrNiMo回火工艺
PL419976A1 (pl) Sposób obróbki cieplnej stopów magnezu
MX2018007566A (es) Composiciones, dispositivos y métodos de prueba de sensibilidad a los alimentos de personas con dolor de cabeza por migraña.
RU2019123571A (ru) Литейно-прокатная установка и способ обработки заготовки посредством такой установки
RU2013137543A (ru) Способ термической обработки изделий из комплексно-легированной стали
RU2013138535A (ru) Способ термической обработки полуфабрикатов из стали мартенситного класса

Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 2

PLSC Publication of the preliminary search report

Effective date: 20160129

PLFP Fee payment

Year of fee payment: 3

PLFP Fee payment

Year of fee payment: 4

TP Transmission of property

Owner name: CONSTELLIUM NEUF-BRISACH, FR

Effective date: 20170728

PLFP Fee payment

Year of fee payment: 5

PLFP Fee payment

Year of fee payment: 6

PLFP Fee payment

Year of fee payment: 7

PLFP Fee payment

Year of fee payment: 8

PLFP Fee payment

Year of fee payment: 9

PLFP Fee payment

Year of fee payment: 10