ES2226608T1 - Procedimiento de oxidacion controlada de bandas antes de una galvanizacion en regimen continuo e instalacion de galvanizacion. - Google Patents

Procedimiento de oxidacion controlada de bandas antes de una galvanizacion en regimen continuo e instalacion de galvanizacion.

Info

Publication number: ES2226608T1
Authority: ES; Spain
Prior art keywords: band; galvanizing; temperature; treatment; oxidation
Prior art date: 2003-03-12
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.): Pending

Application number

ES04290508T

Other languages

English (en)

Spanish (es)

Inventor

Francois Mignard

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.)

Fives Stein SA

Original Assignee

Stein Heurtey SA

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.)

2003-03-12

Filing date

2004-02-25

Publication date

2005-04-01

2004-02-25 Application filed by Stein Heurtey SA filed Critical Stein Heurtey SA

2005-04-01 Publication of ES2226608T1 publication Critical patent/ES2226608T1/es

Status Pending legal-status Critical Current

Links

230000003647 oxidation Effects 0.000 title claims abstract 15
238000007254 oxidation reaction Methods 0.000 title claims abstract 15
238000009434 installation Methods 0.000 title claims abstract 9
238000000034 method Methods 0.000 title claims abstract 8
238000005246 galvanizing Methods 0.000 claims abstract 17
238000010438 heat treatment Methods 0.000 claims abstract 16
229910000831 Steel Inorganic materials 0.000 claims abstract 9
239000010959 steel Substances 0.000 claims abstract 9
239000007789 gas Substances 0.000 claims abstract 7
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract 4
239000001301 oxygen Substances 0.000 claims abstract 4
229910052760 oxygen Inorganic materials 0.000 claims abstract 4
238000005496 tempering Methods 0.000 claims abstract 3
238000001816 cooling Methods 0.000 claims abstract 2
230000007423 decrease Effects 0.000 claims abstract 2
230000007547 defect Effects 0.000 claims abstract 2
238000012423 maintenance Methods 0.000 claims abstract 2
238000010791 quenching Methods 0.000 claims abstract 2
230000000171 quenching effect Effects 0.000 claims abstract 2
230000006698 induction Effects 0.000 claims 3
238000012986 modification Methods 0.000 claims 2
230000004048 modification Effects 0.000 claims 2
238000006073 displacement reaction Methods 0.000 claims 1
230000001105 regulatory effect Effects 0.000 claims 1

Classifications

- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/561—Continuous furnaces for strip or wire with a controlled atmosphere or vacuum
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/003—Apparatus
- C23C2/0034—Details related to elements immersed in bath
- C23C2/00342—Moving elements, e.g. pumps or mixers
- C23C2/00344—Means for moving substrates, e.g. immersed rollers or immersed bearings
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/003—Apparatus
- C23C2/0035—Means for continuously moving substrate through, into or out of the bath
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/003—Apparatus
- C23C2/0038—Apparatus characterised by the pre-treatment chambers located immediately upstream of the bath or occurring locally before the dipping process
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
- C23C2/022—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
- C23C2/0222—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating in a reactive atmosphere, e.g. oxidising or reducing atmosphere
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
- C23C2/022—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
- C23C2/0224—Two or more thermal pretreatments
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
- C23C2/06—Zinc or cadmium or alloys based thereon
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
- C23C2/36—Elongated material
- C23C2/40—Plates; Strips
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
- F24H9/0042—Cleaning arrangements
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Thermal Sciences (AREA)
Physics & Mathematics (AREA)
Crystallography & Structural Chemistry (AREA)
Combustion & Propulsion (AREA)
General Engineering & Computer Science (AREA)
Coating With Molten Metal (AREA)
Heat Treatment Of Strip Materials And Filament Materials (AREA)
Electroplating Methods And Accessories (AREA)

ES04290508T 2003-03-12 2004-02-25 Procedimiento de oxidacion controlada de bandas antes de una galvanizacion en regimen continuo e instalacion de galvanizacion. Pending ES2226608T1 (es)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FR0303058A FR2852330B1 (fr)	2003-03-12	2003-03-12	Procede d'oxydation controlee de bandes avant galvanisation en continu et ligne de galvanisation
FR0303058		2003-03-12

Publications (1)

Publication Number	Publication Date
ES2226608T1 true ES2226608T1 (es)	2005-04-01

Family

ID=32749781

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES04290508T Pending ES2226608T1 (es)	2003-03-12	2004-02-25	Procedimiento de oxidacion controlada de bandas antes de una galvanizacion en regimen continuo e instalacion de galvanizacion.

Country Status (7)

Country	Link
US (1)	US20040177903A1 (fr)
EP (1)	EP1457580A1 (fr)
KR (1)	KR20040080377A (fr)
CN (1)	CN100554489C (fr)
DE (1)	DE04290508T1 (fr)
ES (1)	ES2226608T1 (fr)
FR (1)	FR2852330B1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102004059566B3 (de) *	2004-12-09	2006-08-03	Thyssenkrupp Steel Ag	Verfahren zum Schmelztauchbeschichten eines Bandes aus höherfestem Stahl
EP2010690B1 (fr) *	2006-04-26	2010-02-24	ThyssenKrupp Steel Europe AG	Procédé de revêtement par immersion en fusion d'un produit plat en acier hyperrésistant
WO2008135445A1 (fr) *	2007-05-02	2008-11-13	Corus Staal B.V.	Procédé de galvanisation par immersion à chaud d'un matériau en bande ahss ou uhss, et un tel matériau
FR2920439B1 (fr)	2007-09-03	2009-11-13	Siemens Vai Metals Tech Sas	Procede et dispositif d'oxydation/reduction controlee de la surface d'une bande d'acier en defilement continu dans un four a tubes radiants en vue de sa galvanisation
ES2661551T3 (es) *	2009-05-28	2018-04-02	Bluescope Steel Limited	Banda de acero recubierta con metal
DE102011102659A1 (de) *	2011-05-27	2012-11-29	ThermProTEC Asia UG (haftungsbeschränkt)	Verfahren und Vorrichtung zum Voroxidieren von Metallbändern
JP6354069B2 (ja) *	2015-06-11	2018-07-11	Ｊｆｅスチール株式会社	溶融金属めっき鋼帯の製造方法および溶融金属めっき鋼帯の製造ライン
WO2017115180A1 (fr) *	2015-12-28	2017-07-06	Sabic Global Technologies B.V.	Rouleau immergé synchronisé
FR3046423B1 (fr) *	2015-12-30	2018-04-13	Fives Stein	Dispositif et procede pour realiser une oxydation controlee de bandes metalliques dans un four de traitement en continu
CN112461393B (zh) *	2020-12-04	2021-06-15	中国科学院力学研究所	同轴热电偶瞬态热流传感器氧化式绝缘层加工制作装置
CN113621908A (zh) *	2021-07-06	2021-11-09	无锡苏盛金属制品有限公司	一种热镀金属钢带的制造工艺及方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2197622A (en) *	1937-04-22	1940-04-16	American Rolling Mill Co	Process for galvanizing sheet metal
US3518109A (en) *	1968-01-15	1970-06-30	Inland Steel Co	Apparatus and method for controlling thickness of molten metal coating by a moving magnetic field
US3925579A (en) *	1974-05-24	1975-12-09	Armco Steel Corp	Method of coating low alloy steels
US4059494A (en) *	1974-11-19	1977-11-22	Sumitomo Aluminum Smelting Co., Ltd.	Process for continuous electrolytic coloring of aluminum or aluminum base alloy strip and wire
DE2714791A1 (de) *	1977-04-02	1978-10-05	Aeg Elotherm Gmbh	Verfahren zur durchlauferwaermung eines langgestreckten metallenen werkstuecks, insbesondere zur durchlauferwaermung von stahlroehren
FR2534361B1 (fr) *	1982-10-06	1988-02-12	Maubeuge Fer	Dispositif et procede de reglage de la capacite de chauffe d'une installation thermique pour bande metallique defilant en continu
DE4302698B4 (de) *	1993-02-01	2007-09-27	Sms Demag Ag	Verfahren und Vorrichtung zum Führen eines Stahlbandes während seines Durchlaufs durch eine kontinuierliche Behandlungsanlage
AUPM654594A0 (en) *	1994-06-29	1994-07-21	Verson International (Aust) Pty Ltd	Method and apparatus to galvanise metal strip
FR2806097B1 (fr) *	2000-03-08	2002-05-10	Stein Heurtey	Perfectionnements apportes au prechauffage de bandes metalliques notamment dans des lignes de galvanisation ou de recuit
FR2828888B1 (fr) *	2001-08-21	2003-12-12	Stein Heurtey	Procede de galvanisation a chaud de bandes metalliques d'aciers a haute resistance

2003
- 2003-03-12 FR FR0303058A patent/FR2852330B1/fr not_active Expired - Lifetime
2004
- 2004-02-25 ES ES04290508T patent/ES2226608T1/es active Pending
- 2004-02-25 DE DE04290508T patent/DE04290508T1/de active Pending
- 2004-02-25 EP EP04290508A patent/EP1457580A1/fr not_active Withdrawn
- 2004-03-03 US US10/790,712 patent/US20040177903A1/en not_active Abandoned
- 2004-03-11 KR KR1020040016501A patent/KR20040080377A/ko not_active Ceased
- 2004-03-11 CN CNB2004100284264A patent/CN100554489C/zh not_active Expired - Fee Related

Also Published As

Publication number	Publication date
KR20040080377A (ko)	2004-09-18
EP1457580A1 (fr)	2004-09-15
FR2852330A1 (fr)	2004-09-17
CN1530458A (zh)	2004-09-22
US20040177903A1 (en)	2004-09-16
CN100554489C (zh)	2009-10-28
FR2852330B1 (fr)	2007-05-11
DE04290508T1 (de)	2005-03-31

Publication	Publication Date	Title
ES2226608T1 (es)	2005-04-01	Procedimiento de oxidacion controlada de bandas antes de una galvanizacion en regimen continuo e instalacion de galvanizacion.
ES2362052T3 (es)	2011-06-27	Procedimiento para la laminación en caliente y para el tratamiento térmico de una banda de acero.
AU604281B2 (en)	1990-12-13	A method for producing non-aging hot-dip galvanized steel strip
UA92079C2 (ru)	2010-09-27	Способл непрерывного отжига и подготовки полосы из высокопрочной стали для ее цинкования путем горячего погружения в расплав
JP2009531538A5 (fr)	2009-12-03
ES2953188T3 (es)	2023-11-08	Procedimiento para la producción de un acero para envases nitrurado
JPH09235626A (ja)	1997-09-09	鋼帯の連続焼鈍における一次冷却方法
JPS6410579B2 (fr)	1989-02-22
ES2432541T3 (es)	2013-12-04	Método para controlar un fleje de metal en un horno de tratamiento térmico
DE69708482D1 (de)	2002-01-10	Durchlaufglühverfahren von Metallband in verschiedenen Schutzgasen und Vorrichtung
UA106871C2 (uk)	2014-10-27	Спосіб відпалювання холоднокатаної алюмінієвої смуги
US20160265079A1 (en)	2016-09-15	Continuous annealing system and continuous annealing method
KR102453713B1 (ko)	2022-10-11	강 스트립을 열 처리 및 용융 도금하기 위한 다목적 프로세싱 라인
RU2008123053A (ru)	2009-12-20	Способ и устройство для непрерывного формирования бейнитной структуры в углеродистой стали, прежде всего в полосовой стали
ES2267970T3 (es)	2007-03-16	Procedimiento y dispositivo de enfriado acelerado en recocido continuo.
ES2900734T3 (es)	2022-03-18	Procedimiento de tratamiento térmico de una lámina de acero y dispositivo para su implementación
BR0113848A (pt)	2003-06-03	Instalação de finalidade dupla para recozimento continuo e chapeamento por imersão a quente
KR101486906B1 (ko)	2015-02-04	스테인리스 주조품 고용화 및 표면 광휘 열처리 연속복합장치
CN101985686A (zh)	2011-03-16	一种连续式热处理设备
ES2180472T1 (es)	2003-02-16	Perfeccionamientos introducidos en los procedimientos de calentamiento de bandas de acero en hornos verticales.
ES2276907T3 (es)	2007-07-01	Procedimiento de recocido continuo para la obtencion de un estado de superficie mejorada.
JP7599811B1 (ja)	2024-12-16	鋼帯の連続熱処理設備及び連続熱処理方法
ES2770080T3 (es)	2020-06-30	Dispositivo y proceso para llevar a cabo la oxidación controlada de bandas de metal en un horno de tratamiento continuo
JP7262911B1 (ja)	2023-04-24	マッフル式連続熱処理装置
CN203144485U (zh)	2013-08-21	防水雾带材高温立式热处理试验炉