WO2019084987A1 - Tube en titane pour échangeur de chaleur tubulaire - Google Patents

Tube en titane pour échangeur de chaleur tubulaire Download PDF

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Publication number
WO2019084987A1
WO2019084987A1 PCT/CN2017/109881 CN2017109881W WO2019084987A1 WO 2019084987 A1 WO2019084987 A1 WO 2019084987A1 CN 2017109881 W CN2017109881 W CN 2017109881W WO 2019084987 A1 WO2019084987 A1 WO 2019084987A1
Authority
WO
WIPO (PCT)
Prior art keywords
weight
parts
passivation treatment
titanium tube
tube body
Prior art date
Application number
PCT/CN2017/109881
Other languages
English (en)
Chinese (zh)
Inventor
王昱丰
Original Assignee
常熟市欧迪管业有限公司
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 常熟市欧迪管业有限公司 filed Critical 常熟市欧迪管业有限公司
Publication of WO2019084987A1 publication Critical patent/WO2019084987A1/fr

Links

Classifications

    • 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
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/07—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing phosphates
    • C23C22/08—Orthophosphates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
    • F28F19/02—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
    • F28F21/081—Heat exchange elements made from metals or metal alloys
    • F28F21/086—Heat exchange elements made from metals or metal alloys from titanium or titanium alloys

Definitions

  • the invention relates to a titanium tube for a tubular heat exchanger.
  • the existing tubular tube heat exchanger uses a titanium tube, including a titanium tube body, but the titanium tube body has anti-oxidation, abrasion resistance, corrosion resistance, heat resistance, cold resistance, weather resistance, and the surface finish is not ideal.
  • the object of the present invention is to provide a titanium tube for a tubular heat exchanger, wherein the titanium tube body is passivated to form a uniform passivation protective film on the surface, which has excellent oxidation resistance, abrasion resistance, corrosion resistance and heat resistance. It is cold resistant, weather resistant and has a good surface finish.
  • the technical solution of the present invention is to design a titanium tube for a tubular heat exchanger, which comprises a titanium tube body, the titanium tube body is subjected to passivation treatment, and the passivation treatment comprises the following steps:
  • the titanium tube body is placed in the passivation treatment liquid for passivation treatment, the treatment temperature is 50 ° C, the treatment time is 30 seconds, and after taking out, it is washed with pure water and then dried.
  • the tubular heat exchanger uses a titanium tube, which comprises a titanium tube body, the titanium tube body is subjected to passivation treatment, and the passivation treatment comprises the following steps:
  • the titanium tube body is placed in the passivation treatment liquid for passivation treatment, the treatment temperature is 50 ° C, the treatment time is 30 seconds, and after taking out, it is washed with pure water and then dried.
  • the tubular tube heat exchanger uses a titanium tube, which includes a titanium tube body, and the titanium tube body is subjected to passivation treatment,
  • the passivation process includes the following steps:
  • the titanium tube body is placed in the passivation treatment liquid for passivation treatment, the treatment temperature is 50 ° C, the treatment time is 30 seconds, and after taking out, it is washed with pure water and then dried.
  • the tubular heat exchanger uses a titanium tube, which comprises a titanium tube body, the titanium tube body is subjected to passivation treatment, and the passivation treatment comprises the following steps:
  • the titanium tube body is placed in the passivation treatment liquid for passivation treatment, the treatment temperature is 50 ° C, the treatment time is 30 seconds, and after taking out, it is washed with pure water and then dried.
  • the invention has the advantages and beneficial effects of providing a titanium tube for a tubular heat exchanger, wherein the titanium tube body is passivated, and a uniform passivation protective film is formed on the surface, which has excellent oxidation resistance, abrasion resistance and resistance. Corrosion, heat resistance, cold resistance, weather resistance, and good surface finish.
  • the performance and use of the “passivation treatment liquid” is determined by its composition and ratio, and the different components in the “passivation treatment liquid” will affect each other.
  • the composition and its ratio will determine the “passivation treatment liquid”.
  • the final performance if the components and their ratios are not coordinated, the beneficial effects of the individual components will be reduced or even eliminated by other components. In severe cases, the different components will conflict with each other and will not be integrated. Role, producing negative effects and defective products.
  • the invention obtains the optimal composition and ratio of the "passivation treatment liquid" through a large amount of creative labor and repeated verification, so that the plurality of components are integrated, coordinated, and positively integrated.
  • a tubular tube heat exchanger uses a titanium tube, which includes a titanium tube body, which is subjected to passivation treatment, and the passivation treatment includes the following steps:
  • the titanium tube body is placed in the passivation treatment liquid for passivation treatment, the treatment temperature is 50 ° C, the treatment time is 30 seconds, and after taking out, it is washed with pure water and then dried.
  • a tubular tube heat exchanger uses a titanium tube, which includes a titanium tube body, which is subjected to passivation treatment, and the passivation treatment includes the following steps:
  • the titanium tube body is placed in the passivation treatment liquid for passivation treatment, the treatment temperature is 50 ° C, the treatment time is 30 seconds, and after taking out, it is washed with pure water and then dried.
  • a tubular tube heat exchanger uses a titanium tube, which includes a titanium tube body, which is subjected to passivation treatment, and the passivation treatment includes the following steps:
  • the titanium tube body is placed in the passivation treatment liquid for passivation treatment, the treatment temperature is 50 ° C, the treatment time is 30 seconds, and after taking out, it is washed with pure water and then dried.
  • a tubular tube heat exchanger uses a titanium tube, which includes a titanium tube body, which is subjected to passivation treatment, and the passivation treatment includes the following steps:
  • the titanium tube body is placed in the passivation treatment liquid for passivation treatment, the treatment temperature is 50 ° C, the treatment time is 30 seconds, and after taking out, it is washed with pure water and then dried.
  • the titanium tube body is passivated to form a uniform passivation protective film on the surface, which has excellent oxidation resistance, abrasion resistance, corrosion resistance, heat resistance and cold resistance. , weather resistance, and surface finish.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Treatment Of Metals (AREA)

Abstract

La présente invention concerne un tube en titane pour un échangeur de chaleur tubulaire, comprenant un corps de tube en titane ayant subi un traitement de passivation. Le traitement de passivation comprend les étapes suivantes consistant : 1) à ajouter successivement de 1 à 2 parties en poids d'acide orthophosphorique, 1,1 partie en poids d'éthanolamine, 0,8 partie en poids de thiourée, 2,2 parties en poids d'acétate de butyle et 4,6 parties en poids de carboxylate d'éthoxylate de nonylphénol dans 25 parties en poids d'eau désionisée et à bien agiter ; 2) puis à ajouter successivement 0,4 partie en poids de dihydrogénophosphate de potassium, 1,5 partie en poids de tripolyphosphate de sodium, 1,4 partie en poids de sulfate d'alkyle de sodium, 1,7 partie en poids de 1-hydroxybenzotriazole et 2,2 parties en poids d'inositol hexaphosphate, et à agiter en continu jusqu'à ce que tous les constituants soient intimement mélangés afin d'obtenir une solution de traitement de passivation ; 3) à introduire un corps de tube en titane dans la solution de traitement de passivation pour effectuer un traitement de passivation, la température de traitement étant de 50 °C et le temps de traitement étant de 30 secondes, à rincer le corps de tube de titane avec de l'eau pure lors du retrait, puis à le sécher.
PCT/CN2017/109881 2017-11-06 2017-11-08 Tube en titane pour échangeur de chaleur tubulaire WO2019084987A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201711076157.2A CN107747087A (zh) 2017-11-06 2017-11-06 一种列管式换热器用钛管
CN201711076157.2 2017-11-06

Publications (1)

Publication Number Publication Date
WO2019084987A1 true WO2019084987A1 (fr) 2019-05-09

Family

ID=61253275

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2017/109881 WO2019084987A1 (fr) 2017-11-06 2017-11-08 Tube en titane pour échangeur de chaleur tubulaire

Country Status (2)

Country Link
CN (1) CN107747087A (fr)
WO (1) WO2019084987A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108823467A (zh) * 2018-06-29 2018-11-16 苏州市金翔钛设备有限公司 一种防腐蚀钛管的加工方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102168265A (zh) * 2011-03-25 2011-08-31 东北大学 一种无铬复合钝化剂及其制备方法
CN104694915A (zh) * 2014-12-08 2015-06-10 中国船舶重工集团公司第七二五研究所 一种用于船舶钛合金基材表面处理的有机无机钝化液
CN105349979A (zh) * 2015-11-20 2016-02-24 常熟市欧迪管业有限公司 空调冷冻水用镀锌钢管的生产工艺
CN105397430A (zh) * 2015-12-24 2016-03-16 常熟市欧迪管业有限公司 列管式换热器用钛管
CN105951082A (zh) * 2016-06-27 2016-09-21 无锡伊佩克科技有限公司 用于镀锡钢板的无铬钝化剂及其制备方法
CN106148935A (zh) * 2015-04-03 2016-11-23 东莞新科技术研究开发有限公司 钝化液及钝化处理方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106381485A (zh) * 2016-08-30 2017-02-08 常熟市江南电热元件厂 插接式电热管
CN106283004A (zh) * 2016-08-30 2017-01-04 常熟市江南电热元件厂 水烧电热管
CN106381487A (zh) * 2016-08-30 2017-02-08 常熟市江南电热元件厂 直型电热管

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102168265A (zh) * 2011-03-25 2011-08-31 东北大学 一种无铬复合钝化剂及其制备方法
CN104694915A (zh) * 2014-12-08 2015-06-10 中国船舶重工集团公司第七二五研究所 一种用于船舶钛合金基材表面处理的有机无机钝化液
CN106148935A (zh) * 2015-04-03 2016-11-23 东莞新科技术研究开发有限公司 钝化液及钝化处理方法
CN105349979A (zh) * 2015-11-20 2016-02-24 常熟市欧迪管业有限公司 空调冷冻水用镀锌钢管的生产工艺
CN105397430A (zh) * 2015-12-24 2016-03-16 常熟市欧迪管业有限公司 列管式换热器用钛管
CN105951082A (zh) * 2016-06-27 2016-09-21 无锡伊佩克科技有限公司 用于镀锡钢板的无铬钝化剂及其制备方法

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Publication number Publication date
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