WO2011069802A1 - Corps en carbure de silicium imprégné de résine - Google Patents

Corps en carbure de silicium imprégné de résine Download PDF

Info

Publication number
WO2011069802A1
WO2011069802A1 PCT/EP2010/067766 EP2010067766W WO2011069802A1 WO 2011069802 A1 WO2011069802 A1 WO 2011069802A1 EP 2010067766 W EP2010067766 W EP 2010067766W WO 2011069802 A1 WO2011069802 A1 WO 2011069802A1
Authority
WO
WIPO (PCT)
Prior art keywords
silicon carbide
resin
heat exchanger
open
impregnated
Prior art date
Application number
PCT/EP2010/067766
Other languages
German (de)
English (en)
Inventor
Marcus Franz
Oswin ÖTTINGER
Original Assignee
Sgl Carbon Se
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 Sgl Carbon Se filed Critical Sgl Carbon Se
Priority to EP10779313.5A priority Critical patent/EP2510304B1/fr
Priority to BR112012014072A priority patent/BR112012014072A2/pt
Priority to JP2012542437A priority patent/JP5542957B2/ja
Priority to CN2010800561504A priority patent/CN102695937A/zh
Priority to KR1020127014867A priority patent/KR101403196B1/ko
Priority to CA2782458A priority patent/CA2782458C/fr
Priority to RU2012129174/06A priority patent/RU2508517C1/ru
Publication of WO2011069802A1 publication Critical patent/WO2011069802A1/fr
Priority to US13/493,074 priority patent/US20120312518A1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/81—Coating or impregnation
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/46—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with organic materials
    • C04B41/48—Macromolecular compounds
    • C04B41/4823—Phenol-formaldehyde condensation products
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/81—Coating or impregnation
    • C04B41/82—Coating or impregnation with organic materials
    • C04B41/83—Macromolecular compounds
    • 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
    • F28F21/02—Constructions of heat-exchange apparatus characterised by the selection of particular materials of carbon, e.g. graphite
    • 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
    • F28F21/04—Constructions of heat-exchange apparatus characterised by the selection of particular materials of ceramic; of concrete; of natural stone

Definitions

  • the present invention is a resin impregnated body of silicon carbide, a process for its preparation and its use as a tube in a heat exchanger.
  • Heat exchanger tubes or blocks usually comprise graphite.
  • Graphite has a good thermal conductivity, is resistant to fracture and pressure, temperature and corrosion resistant.
  • Graphite-based composite materials with a resin are also widely used in many technical applications. For example, graphite is impregnated with phenolic resin to make apparatus and pressure vessels to obtain a dense material. The previously open-pored material is present either as a block, plate or tubular semi-finished product. Phenol resin is used as the impregnating agent because phenolic resin has sufficient temperature resistance and at the same time is chemically very resistant to acids.
  • a body comprising open-pore silicon carbide which is at least partially impregnated with resin.
  • a body is highly erosion resistant, abrasion resistant and dense. Furthermore, such a body is highly thermally conductive. The thermal conductivity of the silicon carbide is not affected by the resin impregnation.
  • the resin is thermoset.
  • the body is preferably constructed such that the open pores of the open-pored silicon carbide contain the resin.
  • the body preferably has no closed resin film on its surface. That is, the silicon carbide is not completely covered by the resin, but the open pores of the silicon carbide contain the resin, so that the silicon carbide forms a sealed body together with the resin.
  • the silicon carbide has open pores.
  • the open pores may be interconnected in a variety of ways.
  • the open cell silicon carbide then comprises a porous silicon carbide framework or network.
  • the resin penetrates into the silicon carbide and can also completely fill it under suitable conditions.
  • the network of pores then becomes a network of resin.
  • One network comprises a contiguous framework of silicon carbide.
  • the other network comprises resin penetrated into the pores of the silicon carbide. Both networks, the silicon carbide network and the resin network, combine to provide the excellent properties of the body of the invention.
  • the body according to the invention is resistant to liquid and impermeable when the pore network of silicon carbide is completely filled with hardened resin.
  • the silicon carbide 5% open pores with a pore size of 1 ⁇ and 8-10% open pores with a pore size of 0.2 ⁇ .
  • the open-pored silicon carbide has an Si content of less than 0.50%, more preferably 0.35%. More preferably, the open cell silicon carbide is open cell Si-free silicon carbide.
  • the open cell silicon carbide is recrystallized silicon carbide (RSiC).
  • the open cell silicon carbide may alternatively be nitride bonded silicon carbide (NSiC).
  • the silicon carbide may contain at least one ceramic or mineral filler, the choice of fillers being adapted to the application.
  • fillers are substances from the group consisting of naturally occurring flake graphites, artificially produced electrographites, carbon blacks or carbon, graphite or carbon fibers.
  • ceramic or mineral fillers in granular, platelet or fiber form such as silicates, carbonates, sulfates , Oxides, glasses or selected mixtures thereof.
  • the open cell silicon carbide is carbon fiber reinforced, i. a so-called C / SiC material.
  • the specific behavior of the carbon fiber has the effect that the prestressing of the reinforcement is maintained even with strongly changing or swelling loading of the pipe. Due to the negative coefficient of thermal expansion coefficient of the carbon fiber reinforcement is further biased at a temperature increase, the bursting and sealing holding pressure is greater at higher temperature than at room temperature.
  • the carbon fiber reinforcement improves the properties of resin-impregnated silicon carbide tubes as follows: increasing the bursting pressure, the pipe becomes less sensitive
  • the body according to the invention can be produced by the following method, which comprises the steps
  • the density of the body which is generally required in apparatus construction, is achieved by impregnating the silicon carbide with the resin.
  • the resin is pressed into the open pores of the silicon carbide and these are completely filled. Subsequently, the resin is cured at elevated temperature. Resin impregnation and curing increases the strength of the body by a factor of 2 to 3 compared to the silicon carbide prior to impregnation, without compromising thermal conductivity.
  • Step a) of the process according to the invention involves, in particular, the provision of recrystallized silicon carbide.
  • the silicon carbide provided preferably has a bulk density between 1, 9 and 3.5 g / cm 3 .
  • Step b) of the method according to the invention comprises in particular the filling of the open pores of the silicon carbide.
  • the resin once introduced into the pores of the silicon carbide does not tend to leak out of the pores.
  • the resin used in step b) preferably has a viscosity in the range of 5 to 4000 mPa ⁇ s.
  • the resin can be used in pure form in the impregnation or dissolved in a suitable solvent.
  • the resin may be dissolved in water, optionally in combination with alcohols.
  • the resin content in the solvent depends on the desired consistency of the resin to be used for impregnation and the pore size of the open pores of the silicon carbide.
  • the impregnation of the silicon carbide carried out in step b) of the process according to the invention can be achieved by a dipping process.
  • the silicon carbide is subjected to a deaeration treatment prior to impregnation.
  • the optionally dissolved resin may also be subjected to a deaeration treatment prior to impregnation.
  • a dipping method is used with previously evacuating a silicon carbide-containing vessel and flooding the evacuated vessel with the resin optionally dissolved in a solvent so that the silicon carbide immerses in the resin.
  • the vessel after flooding with the resin is still subjected to a gas pressure.
  • the silicon carbide impregnated with the resin may further be subjected to a deaeration treatment to evacuate gaseous components in the resin and the silicon carbide under reduced pressure.
  • the deaeration treatment can be repeated as often as desired.
  • the impregnation is shortened or it is the surfaces from which the impregnation should emanate, respectively coated with resin or sprayed or the silicon carbide is only partially immersed. After this treatment, excess resin is removed from the surface by, for example, scraping.
  • Step b) of the process according to the invention can be repeated as often as desired.
  • the silicon carbide can be produced by carrying out the process according to the invention. up to 100% of its own weight of resin. At a lower open pore volume, the silicon carbide can absorb little, for example, only 20 wt .-% resin based on its own weight. Subsequently, the resin is cured.
  • the curing carried out in step c) is preferably carried out at temperatures of 120 to 180 ° C within up to two hours, without pressure or at pressures of 0.5 to 1, 5 bar. At high temperatures, ie at 170 to 180 ° C, a curing time of up to 15 minutes is generally sufficient. The higher the temperature, the lower the cure time.
  • the body produced by the method of the present invention does not contain voids such as blisters or cracks which may be caused by reactions of the resin upon curing.
  • the body can be produced with little effort. It is resistant to corrosion, thermally conductive and, depending on the degree of compaction, from technically liquid-permeable to technically gas-tight.
  • a preferred embodiment of the method according to the invention furthermore comprises the step following step c)
  • the resin-impregnated silicon carbide is thus reinforced with at least one carbon fiber.
  • the compressive strength of the body is increased.
  • the resin impregnated with silicon carbide is wrapped in a network with at least one carbon fiber under high bias voltage.
  • Phenol resin has a sufficient temperature resistance and is very resistant to acids and thus represents an ideal material for the production of the body according to the invention.
  • open-pored silicon carbide which comprises at least one ceramic or mineral filler.
  • a carbon fiber reinforced silicon carbide (C / SiC) is provided.
  • a heat exchanger comprising a body according to the invention has, for example, the following structure:
  • the heat exchanger comprises a jacket which has an inlet and an outlet for a fluid.
  • baffles may also be arranged, which protrude from the shell into the interior of the shell and are arranged in parallel so that they support a circulation of the fluid located in the jacket.
  • at least one tube bundle is arranged in the jacket. Ends of the tubes of the
  • Tube bundles are arranged on a tube plate, which is fluid-tightly connected to the jacket.
  • the tubesheet has at least one inlet and an outlet for another fluid that circulates in the tubes of the tube bundle and that has a different temperature than that of the fluid in the jacket for heat transfer between the two fluids.
  • the body according to the invention is particularly suitable for use as a tube in the tube bundle of the heat exchanger. Due to its high strength, a tube made from the body according to the invention permits self-cleaning by means of a rapidly circulating fluid, which is possibly loaded with particles.
  • the other components mentioned above or, if appropriate, further built-in components are made of graphite, coated graphite, metal plates or rubberized metal plates. Further features and advantages of the invention will now be explained with reference to the following example, without limiting it to it.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ceramic Products (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Paints Or Removers (AREA)

Abstract

L'invention concerne un corps comprenant du carbure de silicium à pores ouverts, imprégné au moins partiellement de résine. L'invention concerne également un procédé de fabrication d'un corps, consistant à a) préparer le carbure de silicium à pores ouverts, b) imprégner au moins partiellement de résine le carbure de silicium à pores ouverts et c) durcir la résine. L'invention concerne également l'utilisation du corps selon l'invention en tant que tube dans un échangeur de chaleur.
PCT/EP2010/067766 2009-12-11 2010-11-18 Corps en carbure de silicium imprégné de résine WO2011069802A1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
EP10779313.5A EP2510304B1 (fr) 2009-12-11 2010-11-18 Tube or plaque d'echangeur de chaleur en carbure de silicium imprégné de résine
BR112012014072A BR112012014072A2 (pt) 2009-12-11 2010-11-18 corpo impregnado com resina produzido de carboneto de silíco.
JP2012542437A JP5542957B2 (ja) 2009-12-11 2010-11-18 樹脂含浸された炭化ケイ素製の成形品としての熱交換器管又は熱交換器板、並びに、該成形品の製造方法
CN2010800561504A CN102695937A (zh) 2009-12-11 2010-11-18 由碳化硅制成的树脂浸渍体
KR1020127014867A KR101403196B1 (ko) 2009-12-11 2010-11-18 탄화규소로 이루어진 수지-함침 바디
CA2782458A CA2782458C (fr) 2009-12-11 2010-11-18 Corps en carbure de silicium impregne de resine
RU2012129174/06A RU2508517C1 (ru) 2009-12-11 2010-11-18 Пропитанное смолой изделие из карбида кремния
US13/493,074 US20120312518A1 (en) 2009-12-11 2012-06-11 Resin-impregnated body made of silicon carbide and method of producing the resin-impregnated body

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009054574.3 2009-12-11
DE102009054574A DE102009054574B3 (de) 2009-12-11 2009-12-11 Wärmetauscherrohr oder Wärmetauscherplatte mit offenporigem Siliciumcarbidnetzwerk und Verfahren zu deren Herstellung

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US13/493,074 Continuation US20120312518A1 (en) 2009-12-11 2012-06-11 Resin-impregnated body made of silicon carbide and method of producing the resin-impregnated body

Publications (1)

Publication Number Publication Date
WO2011069802A1 true WO2011069802A1 (fr) 2011-06-16

Family

ID=43242846

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/067766 WO2011069802A1 (fr) 2009-12-11 2010-11-18 Corps en carbure de silicium imprégné de résine

Country Status (9)

Country Link
US (1) US20120312518A1 (fr)
EP (1) EP2510304B1 (fr)
JP (1) JP5542957B2 (fr)
KR (1) KR101403196B1 (fr)
CN (1) CN102695937A (fr)
CA (1) CA2782458C (fr)
DE (1) DE102009054574B3 (fr)
RU (1) RU2508517C1 (fr)
WO (1) WO2011069802A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109503209A (zh) * 2018-12-28 2019-03-22 广东昭信照明科技有限公司 一种新型多通孔材料致密化的制备方法
CN111995435B (zh) * 2020-09-02 2022-05-03 中国石油化工股份有限公司 陶瓷传热元件气孔的填充方法、陶瓷传热元件及浸渗装置
CN113754412A (zh) * 2021-09-15 2021-12-07 北京理工大学 一种高强吸能陶瓷-聚合物复合结构的制备方法及其产品

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1238392A (fr) * 1968-02-21 1971-07-07
DE3415238A1 (de) * 1984-04-21 1985-10-31 Balcke-Dürr AG, 4030 Ratingen Verfahren und vorrichtung zur wiederaufheizung von rauchgasen
US5792717A (en) * 1994-05-26 1998-08-11 Ebara Corporation Sliding material
US6126749A (en) * 1995-05-22 2000-10-03 Korea Institute Of Science And Technology Apparatus for manufacturing reaction bonded silicon carbide
EP1174400A1 (fr) * 1999-11-30 2002-01-23 Ibiden Co., Ltd. Comprime en carbure de silicium poreux fritte et composite de carbure de silicium et de metal adapte a une utilisation dans une table de machine de polissage de plaquettes
DE202004018924U1 (de) * 2004-01-17 2005-05-25 Schmid, Christoph Rippenrohrwärmetauscher
US20060269683A1 (en) * 2000-02-18 2006-11-30 Eiji Tani Silicon carbide-based, porous, lightweight, heat-resistant structural material and manufacturing method therefor

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU810649A1 (ru) * 1978-12-28 1981-03-07 Предприятие П/Я М-5443 Способ получени пористых изде-лий из КАРбидА КРЕМНи
DE3116309C2 (de) * 1981-04-24 1985-05-02 Sigri Elektrographit Gmbh, 8901 Meitingen Graphitrohr
JPS63147881A (ja) * 1986-12-12 1988-06-20 宇部興産株式会社 炭化珪素−有機高分子複合材
JPH0238623B2 (ja) * 1987-10-29 1990-08-31 Tatsuro Kuratomi Somenkeiseiuisukafukugogoseijushihimakuohifukushitatoryuoyobisonoseizoho
US5127783A (en) * 1989-05-25 1992-07-07 The B.F. Goodrich Company Carbon/carbon composite fasteners
JPH0784344B2 (ja) * 1991-11-20 1995-09-13 工業技術院長 炭素繊維強化炭化ケイ素複合セラミックスの製造方法
JPH0725670A (ja) * 1993-07-06 1995-01-27 Mitsubishi Heavy Ind Ltd 高温用複合材料
US5765596A (en) * 1995-06-16 1998-06-16 Hps Merrimac Ceramic heat exchanger
EP0835853A1 (fr) * 1996-10-14 1998-04-15 Societe Europeenne De Propulsion Elément de friction en matériau composite carbone/carbone-carbure de silicium et procédé pour sa fabrication
JP2001158674A (ja) * 1999-11-30 2001-06-12 Ibiden Co Ltd 多孔質炭化珪素焼結体及びその製造方法、並びにウェハ研磨装置用部材及びウェハ研磨装置用テーブル
JP4273195B2 (ja) * 2000-02-18 2009-06-03 独立行政法人産業技術総合研究所 炭化ケイ素系耐熱性軽量多孔質構造材の製造方法
JP4110244B2 (ja) * 2002-07-26 2008-07-02 独立行政法人産業技術総合研究所 炭化ケイ素系耐熱多孔質構造材及びその製造方法
JP4858954B2 (ja) * 2006-03-29 2012-01-18 独立行政法人産業技術総合研究所 メソポーラス炭化珪素膜及びその製造方法
TWI467087B (zh) * 2008-03-25 2015-01-01 Amicable Inv S Llc 與空氣或氣體交互作用的設備及其噴射發動機

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1238392A (fr) * 1968-02-21 1971-07-07
DE3415238A1 (de) * 1984-04-21 1985-10-31 Balcke-Dürr AG, 4030 Ratingen Verfahren und vorrichtung zur wiederaufheizung von rauchgasen
US5792717A (en) * 1994-05-26 1998-08-11 Ebara Corporation Sliding material
US6126749A (en) * 1995-05-22 2000-10-03 Korea Institute Of Science And Technology Apparatus for manufacturing reaction bonded silicon carbide
EP1174400A1 (fr) * 1999-11-30 2002-01-23 Ibiden Co., Ltd. Comprime en carbure de silicium poreux fritte et composite de carbure de silicium et de metal adapte a une utilisation dans une table de machine de polissage de plaquettes
US20060269683A1 (en) * 2000-02-18 2006-11-30 Eiji Tani Silicon carbide-based, porous, lightweight, heat-resistant structural material and manufacturing method therefor
DE202004018924U1 (de) * 2004-01-17 2005-05-25 Schmid, Christoph Rippenrohrwärmetauscher

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
HURLEY J: "New silicon carbide composite is tested in outer space", MATERIALS PERFORMANCE, NACE INTERNATIONAL, HOUSTON, TX, US, vol. 47, no. 9, 1 September 2008 (2008-09-01), pages 19 - 20, XP001517026, ISSN: 0094-1492 *
MASAHIRO T; JUNICHI, U: "Silicon carbide-organic macromolecule composite materials for sliding parts", CHEMICAL ABSTRACTS, 14 November 1988 (1988-11-14), pages 309, XP000155329, ISSN: 0009-2258 *

Also Published As

Publication number Publication date
KR20120093342A (ko) 2012-08-22
CN102695937A (zh) 2012-09-26
RU2508517C1 (ru) 2014-02-27
KR101403196B1 (ko) 2014-06-27
CA2782458C (fr) 2014-09-09
RU2012129174A (ru) 2014-01-20
CA2782458A1 (fr) 2011-06-16
JP2013513772A (ja) 2013-04-22
EP2510304B1 (fr) 2016-03-30
JP5542957B2 (ja) 2014-07-09
US20120312518A1 (en) 2012-12-13
DE102009054574B3 (de) 2011-03-03
EP2510304A1 (fr) 2012-10-17

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