JPH01280426A - Cooking device - Google Patents
Cooking deviceInfo
- Publication number
- JPH01280426A JPH01280426A JP10945988A JP10945988A JPH01280426A JP H01280426 A JPH01280426 A JP H01280426A JP 10945988 A JP10945988 A JP 10945988A JP 10945988 A JP10945988 A JP 10945988A JP H01280426 A JPH01280426 A JP H01280426A
- Authority
- JP
- Japan
- Prior art keywords
- food
- stainless steel
- pot
- heating
- alumina
- 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.)
- Pending
Links
- 238000010411 cooking Methods 0.000 title claims abstract description 17
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 23
- 239000010935 stainless steel Substances 0.000 claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims abstract description 22
- 235000013305 food Nutrition 0.000 claims abstract description 20
- 229910002060 Fe-Cr-Al alloy Inorganic materials 0.000 claims abstract description 12
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 34
- 230000003647 oxidation Effects 0.000 abstract description 15
- 238000007254 oxidation reaction Methods 0.000 abstract description 15
- 239000000463 material Substances 0.000 abstract description 14
- 230000007797 corrosion Effects 0.000 abstract description 9
- 238000005260 corrosion Methods 0.000 abstract description 9
- 241000209094 Oryza Species 0.000 abstract description 7
- 235000007164 Oryza sativa Nutrition 0.000 abstract description 7
- 235000009566 rice Nutrition 0.000 abstract description 7
- 230000002093 peripheral effect Effects 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052804 chromium Inorganic materials 0.000 abstract description 3
- 230000001590 oxidative effect Effects 0.000 abstract description 3
- 229910052782 aluminium Inorganic materials 0.000 abstract 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 3
- 239000007789 gas Substances 0.000 description 9
- 239000003973 paint Substances 0.000 description 9
- 230000005855 radiation Effects 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000001816 cooling Methods 0.000 description 6
- 239000000919 ceramic Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000010953 base metal Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 101100298225 Caenorhabditis elegans pot-2 gene Proteins 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 230000005457 Black-body radiation Effects 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Landscapes
- Baking, Grill, Roasting (AREA)
- Cookers (AREA)
- Frying-Pans Or Fryers (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、加熱効率、耐熱性および耐食性に優れた調理
器に関し、たとえば一般家庭用および業務用厨房機器と
して使用することができる調Ｆｌ器に関する。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a cooking device with excellent heating efficiency, heat resistance, and corrosion resistance, and relates to a cooking device that can be used, for example, as kitchen equipment for general household use and commercial use.
従来の技術
従来からの調理器において、食品の加熱には、遠赤外線
放射が有効なことが知られている。これは、食品を構成
する高分子材料は、一般に、遠赤外線の波長域に吸収ピ
ークを持っている為であり、また、遠赤外線そのものが
表面で吸収されて、熱にかわりやすい特性をもっている
為である。BACKGROUND OF THE INVENTION It is known that far-infrared radiation is effective for heating food in conventional cookers. This is because the polymeric materials that make up foods generally have an absorption peak in the far-infrared wavelength range, and also because far-infrared rays themselves have the property of being absorbed by the surface and easily converted into heat. It is.
従来から、遠赤外線の放射体としては、有機系および無
機系などの塗料を金属付付表面に塗布した構成を有して
いる。このような先行技術では、加熱および冷却を繰返
すことによって、塗料が剥離し、このｉ［した塗料が食
品に混入する。また、塗料は耐熱性に劣り、有機系塗料
は２００〜３゜０℃で軟化してしまい、無機系塗料でも
５００”Ｃが限度で軟化してしまう、また、３１１理中
の水分によって、金属母材が腐食し、塗料表面に錆が付
いてくる。Conventionally, far-infrared radiators have been constructed by applying organic or inorganic paints to metal surfaces. In such prior art, the paint peels off by repeated heating and cooling, and this peeled paint mixes into food. In addition, paints have poor heat resistance, organic paints soften at 200 to 30°C, and even inorganic paints soften at a temperature of 500°C. The base material corrodes and rust forms on the paint surface.
池の先行技術は、金属母材の表面にセラミックを溶射し
た構成を有する。このような先行技術では、金属母材と
セラミックとの熱膨張率の違いによって、加熱冷却の繰
返しを行うと、変形したり、セラミックが剥離する恐れ
がある。また、生産性が劣り、原価の低減に劣る。さら
にまた、セラミックの焼結体は耐熱性を有し、かつ遠赤
外線の放射特性に優れているという利点はあるけれども
、熱衝撃によって破損し、この破損したセラミックは食
品に混入する恐れがある。Ike's prior art has a configuration in which ceramic is sprayed onto the surface of a metal matrix. In such prior art, due to the difference in coefficient of thermal expansion between the metal base material and the ceramic, repeated heating and cooling may cause deformation or peeling of the ceramic. In addition, productivity is poor and cost reduction is poor. Furthermore, although ceramic sintered bodies have the advantage of being heat resistant and having excellent far-infrared radiation characteristics, they may be damaged by thermal shock, and this broken ceramic may be mixed into food.
発明が解決すべき課題
本発明の目的は、上述の先行技術の有している問題点を
一挙に解決し、加熱効率、耐熱性および耐食性に優れた
！ａＩＦＪ器を提供することである。Problems to be Solved by the Invention The purpose of the present invention is to solve the problems of the above-mentioned prior art all at once, and to achieve excellent heating efficiency, heat resistance, and corrosion resistance! The objective is to provide an aIFJ device.
課題を解決するための手段
本発明は、Ｆｅ−Ｃｒ−Ａｌ’ステンレス鋼の表面を酸
化処理して、アルミナウィスカを生成させ、加熱される
べき食品に接触または対向する加熱面を構成したことを
特徴とする調理器である。Means for Solving the Problems The present invention involves oxidizing the surface of Fe-Cr-Al' stainless steel to generate alumina whiskers to form a heating surface that contacts or faces the food to be heated. This is a unique cooking device.
また本発明は、ステンレス鋼は、Ｃｒ１２〜２８重！１
２６、Ａ１１〜８重量％を含有することを特徴とする。In addition, in the present invention, the stainless steel has a Cr of 12 to 28! 1
26, A11 to 8% by weight.
さらに本発明は、アルミナウィスカは、０．１μｍ以上
の長さを有することを特徴とする。Furthermore, the present invention is characterized in that the alumina whiskers have a length of 0.1 μm or more.
さらに本発明は、アルミナウィスカは、２μｍ以上の長
さを有することを特徴とする。Furthermore, the present invention is characterized in that the alumina whiskers have a length of 2 μm or more.
作 用
本発明に従えば、食品に接触または対向する加熱面は、
Ｆ ｅ−Ｃｒ−Ａ／ステンレス鋼の表面にアルミナウィ
スカが生成されて構成されるので、アルミナウィスカに
よって遠赤外線の放射特性が向上し、調理器の加熱効率
が向上する。また、このアルミナウィスカは、耐熱性に
浸れており、加熱冷却を繰返しても、アルミナウィスカ
がステンレス鋼母材から剥がれることはない、しかもま
た、アルミナウィスカは耐食性が浸れており、発錆がな
い、このようにして、加熱されるべき食品に異物が混入
する恐れがなく、安全である。Effect According to the present invention, the heating surface that contacts or faces the food is
Since alumina whiskers are generated on the surface of Fe-Cr-A/stainless steel, the alumina whiskers improve far-infrared radiation characteristics and improve the heating efficiency of the cooker. In addition, this alumina whisker is immersed in heat resistance, and even after repeated heating and cooling, the alumina whisker will not peel off from the stainless steel base material.Furthermore, the alumina whisker is immersed in corrosion resistance, so it will not rust. In this way, there is no fear that foreign matter will be mixed into the food to be heated, and it is safe.
実施例
第１図は、本発明の一実施例のガス炊飯器１の簡略化し
た断面図である。外釜２内には、ガスバーナ３が設けら
れ、このガスバーナ３によって内釜４が加熱される。内
釜４内には、食品である水および米である食品５が収納
されて炊飯が行われる。内釜４にはＷ６が設けられ、ま
た外釜２には蓋７が設けられる。Embodiment FIG. 1 is a simplified sectional view of a gas rice cooker 1 according to an embodiment of the present invention. A gas burner 3 is provided inside the outer pot 2, and the inner pot 4 is heated by the gas burner 3. In the inner pot 4, water as food and food 5 as rice are stored and rice is cooked. The inner pot 4 is provided with a W6, and the outer pot 2 is provided with a lid 7.
第２図は、内ｊｉ４の一部の拡大断面図である。FIG. 2 is an enlarged sectional view of a part of the inner ji4.
Ｆ ｅ−Ｃｒ−Ａｌステンレス鋼である母材８の食品５
に接触する内周面には、アルミナウィスカ９が形成され
る。Food 5 of base material 8 which is F e-Cr-Al stainless steel
Alumina whiskers 9 are formed on the inner circumferential surface in contact with.
このステンレス鋼の成分を次のように限定することによ
って、遠赤外線の放射特性と、耐熱性と、耐食性とに優
れた内釜４を構成することができる。By limiting the components of this stainless steel as follows, it is possible to construct the inner pot 4 which has excellent far-infrared radiation characteristics, heat resistance, and corrosion resistance.
Ｃｒ：
Ｃｒはステンレス鋼の必須元素であり、１２重量％未満
では耐食性、耐酸化性がなくなる。またＣｒが２８重量
％を超えると、鋼が脆くなり、放射体に加工できなくな
るので１２重量％以上、２８重量％以下に限定する。Cr: Cr is an essential element for stainless steel, and if it is less than 12% by weight, corrosion resistance and oxidation resistance are lost. Further, if Cr exceeds 28% by weight, the steel becomes brittle and cannot be processed into a radiator, so it is limited to 12% by weight or more and 28% by weight or less.
Ａｌ：
１．０重１％未満では高温酸化処理で形成される酸化皮
膜が、Ｆｅ、Ｃｒ酸化物主体となり、アルミナウィスカ
が生成されず、また耐食性がなくなる。ＡＩが多いほど
、本発明の目的を達成することができるが、８．０重量
％を超えると鋼が脆くなり、鋼板の製造が困難となるた
め、１．０重量％以上、８．０重量％以下に限定する。Al: 1.0 If it is less than 1% by weight, the oxide film formed by high-temperature oxidation treatment will consist mainly of Fe and Cr oxides, no alumina whiskers will be generated, and corrosion resistance will be lost. The more AI there is, the more the object of the present invention can be achieved. However, if it exceeds 8.0% by weight, the steel becomes brittle and it becomes difficult to manufacture a steel plate. % or less.
次に大気などの酸化性雰囲気中で８５０〜１０００℃で
１時間以上保持して高温酸化処理を行い、表面に長さ０
．１μｍ以上のアルミナウィスカを形成させる。Next, high-temperature oxidation treatment is performed by holding the temperature at 850 to 1000°C for more than 1 hour in an oxidizing atmosphere such as the air, and the surface has a length of 0.
．． Alumina whiskers of 1 μm or more are formed.
この高温酸化処理温度は、８５０’Ｃ未満または１００
０℃を超えると、アルミナウィスカが形成されず、酸化
皮膜は平滑なアルミナになり遠赤外線放射特性が得られ
ないため、８５０’Ｃ以上１０００℃以下に限定する。This high temperature oxidation treatment temperature is less than 850'C or 100'C.
If the temperature exceeds 0°C, alumina whiskers will not be formed and the oxide film will become smooth alumina, making it impossible to obtain far-infrared radiation characteristics. Therefore, the temperature is limited to 850'C or more and 1000C or less.
また処理時間は１時間以上とする。１時間未満の酸化処
理ではアルミナウィスカの長さが０．１μｍ以上になら
ないので、１時間以上とする。Furthermore, the processing time is 1 hour or more. If the oxidation treatment is carried out for less than 1 hour, the length of the alumina whiskers will not become 0.1 μm or more, so the oxidation treatment is carried out for 1 hour or more.
ただし、鋼板のＡＩ含有量が３重量％未満の場自、高温
酸化処理のみではアルミナウィスカの長さが短く、密度
が低いことがある。このときには予備酸化処理として、
酸素濃度０．１％以下の雰囲気中に７００〜１０００℃
で１０秒以上熱処理すると、鋼板表面に厚さｔｏｏｏ人
未満の高純度のアルミナ酸化皮膜、が形成され、次に上
記高温酸化処理を行うとアルミナウィスカが生成しやす
くなる。However, when the AI content of the steel sheet is less than 3% by weight, the length of the alumina whiskers may be short and the density may be low if only high-temperature oxidation treatment is performed. At this time, as a preliminary oxidation treatment,
700-1000℃ in an atmosphere with an oxygen concentration of 0.1% or less
When heat-treated for 10 seconds or more, a high-purity alumina oxide film with a thickness of less than 100 ml is formed on the surface of the steel sheet, and when the high-temperature oxidation treatment is performed next, alumina whiskers are likely to be generated.
上記予備酸化処理においては、雰囲気中の酸素濃度が０
．１％を超えると酸化皮膜にＦｅ＋Ｃｒが混入し、アル
ミナウィスカが形成しなくなるので０．１％以下とする
。また７００℃未満や１０秒間未満では生成酸化皮膜が
薄いので効果がなく、１０００℃を超えると鋼板の結晶
粒が粗大化して脆くなり、加工することが不可能となる
ので７００〜１０００℃で１０秒以上に限定する。In the above preliminary oxidation treatment, the oxygen concentration in the atmosphere is 0.
．． If it exceeds 1%, Fe+Cr will be mixed into the oxide film and alumina whiskers will not be formed, so the content should be 0.1% or less. In addition, if the temperature is lower than 700℃ or for less than 10 seconds, the oxide film formed is too thin to be effective, and if the temperature exceeds 1000℃, the crystal grains of the steel plate become coarse and brittle, making it impossible to process. Limited to seconds or more.
本発明に用いるＦｅ−Ｃｒ−Ａｌステンレス鋼の成分ｃ
、ｓｉ、およびＭ ｒＩは、次のように定められる。Component c of Fe-Cr-Al stainless steel used in the present invention
, si, and M rI are defined as follows.
Ｃ： Ｃは母材および溶接部の靭性および延性を劣化させる。C: C deteriorates the toughness and ductility of the base metal and weld.
このため本発明の素材を製造する過程で、板切れ、耳割
れ、曲げ割れを生じ、著しく製造性を損なう。そのため
Ｃを０．０３重量％以下に限定する。Therefore, in the process of manufacturing the material of the present invention, plate breaks, edge cracks, and bending cracks occur, which significantly impairs productivity. Therefore, C is limited to 0.03% by weight or less.
Ｓｉ：
Ｓｔは高温の耐酸化性を向上させるが、母材および溶接
部の延性を著しく阻害するので、１．０重量％以下に限
定する。Si: Although St improves high-temperature oxidation resistance, it significantly impairs the ductility of the base metal and weld, so it is limited to 1.0% by weight or less.
Ｍ ｒＩ：
Ｍ ｒｔは母材および溶接部の靭性を劣化させ、かつ高
温で耐酸化性を損なうので、１．０重量％以下に限定す
る。M rI: M rt deteriorates the toughness of the base metal and the weld zone and impairs oxidation resistance at high temperatures, so it is limited to 1.0% by weight or less.
一般にＦｅ−Ｃｒ−Ａｌステンレス鋼には鋼板の靭性を
高め製造しやすくするためと、耐酸化性を向上させる目
的で０．５重量％までのＴ１、Ｎｂ、Ｚｒを添加したり
、酸化皮膜の耐剥離性を向上させる目的で０．３重１％
までのＹ、Ｃｅ、Ｌａ、Ｎｄなどの希土類元素を添加し
たりするが、これらの元素を添加したＦ ｅ−Ｃｒ−Ａ
ｌステンレス鋼も本発明に好適である。Generally, up to 0.5% by weight of T1, Nb, and Zr are added to Fe-Cr-Al stainless steel to increase the toughness of the steel sheet and make it easier to manufacture, and to improve oxidation resistance. 0.3 weight 1% for the purpose of improving peeling resistance
Rare earth elements such as Y, Ce, La, and Nd are added to Fe-Cr-A.
l Stainless steel is also suitable for the present invention.
第３図は、本発明の他の実施例の調理器１１の断面図で
ある。この調理器は、オーブンまたはグリルなどとして
使用することができる、ハウジング１２内に加熱室を形
成する壁体１３は、前述のようにＦｅ−Ｃｒ−Ａ！・ス
テンレス鋼の外周面に、アルミナウィスカが形成されて
構成される。壁体１３によって形成された加熱室１４内
には、たとえば魚などの食品が収納され、この加熱室１
４には、ガスバーナ１５からの高温度のガスが供給され
る。加熱室１４からの排ガスは、ダクト１６から排出さ
れる。壁体１３の内周面に、アルミナウィスカを形成し
て、遠赤外線を放射することによって、食品の加熱調理
時間を短縮することができ、しかもその食品を遠赤外線
によって内部まで均一に加熱することが可能になる。FIG. 3 is a sectional view of a cooking device 11 according to another embodiment of the present invention. This cooker can be used as an oven or a grill, etc. The wall 13 forming the heating chamber in the housing 12 is made of Fe-Cr-A as described above. - Consists of alumina whiskers formed on the outer peripheral surface of stainless steel. Food such as fish is stored in the heating chamber 14 formed by the wall 13, and the heating chamber 1
4 is supplied with high temperature gas from a gas burner 15. Exhaust gas from the heating chamber 14 is exhausted from the duct 16. By forming alumina whiskers on the inner circumferential surface of the wall body 13 and emitting far infrared rays, it is possible to shorten the cooking time of food, and the food can be evenly heated to the inside by far infrared rays. becomes possible.
第４図は本発明のさらに他の実施例の加熱調理器１７の
簡略化した断面図であり、第５［２Ｉはその斜視図であ
る。＃！１のかば焼きを作る為に、金網１８上には鰻が
載せられる。ガスバーナ１９は、ヒータ簡２０内に挿入
されている。ヒータ筒２０は、Ｆ ｅ −Ｃｒ−Ａｌス
テンレス鋼を母材とし、その外周面にアルミナウィスカ
が形成されて構成される。ヒータｆ！Ｊ２０内からの排
ガスは、ヘッダ２１から外部に排出される。こうしてヒ
ータ面２０から放射される遠赤外線が、金網１８上の鰻
表面に、はぼ全て吸収されることになり、鰻の内部まで
充分に加熱することができる。こうして鰻の表面に焦げ
を殆ど生じることなく、均一に焼き上げることができる
。FIG. 4 is a simplified sectional view of a cooking device 17 according to still another embodiment of the present invention, and No. 5 [2I] is a perspective view thereof. #! In order to make Kabayaki 1, eel is placed on the wire mesh 18. The gas burner 19 is inserted into the heater block 20. The heater cylinder 20 has a base material of Fe-Cr-Al stainless steel, and has alumina whiskers formed on its outer peripheral surface. Heater f! Exhaust gas from inside J20 is discharged to the outside from header 21. In this way, the far infrared rays emitted from the heater surface 20 are almost completely absorbed by the surface of the eel on the wire mesh 18, and the inside of the eel can be sufficiently heated. In this way, the eel can be grilled evenly with almost no charring on the surface.
第６図は、本発明の他の実施例の調理器であるフライヤ
２３の断面図である。ガスバーナ２４によって、油２５
が貯留されている鍋２６が加熱される。この鍋２６は、
Ｆｅ−Ｃｒ−Ａｌステンレス鋼を母材とし、その内周面
にアルミナウィスカが形成される。鍋２６には、油２５
に浸漬されて金網２７が設けられ、この金網２７上にて
んぷらとなる食品が載せられる。こうして鍋２６の内周
面から放射される遠赤外線によって、天ぷらを直接加熱
することになり、したがって低い油温で天ぶらを揚げる
ことができるとともに、油２５を長期間に亘って使用す
ることが可能になる。FIG. 6 is a sectional view of a fryer 23 which is a cooking device according to another embodiment of the present invention. By the gas burner 24, the oil 25
The pot 26 in which the water is stored is heated. This pot 26 is
The base material is Fe-Cr-Al stainless steel, and alumina whiskers are formed on the inner peripheral surface thereof. In the pot 26, add 25 liters of oil.
A wire mesh 27 is provided by being immersed in water, and food to be tempura is placed on this wire mesh 27. In this way, the far infrared rays emitted from the inner peripheral surface of the pot 26 directly heat the tempura, making it possible to fry the tempura at a low oil temperature and allowing the oil 25 to be used for a long period of time. It becomes possible.
本件発明者の実験結果を示す。The experimental results of the inventor are shown below.
放射特性に関し、ＣＦ２Ｏ重１％、ＡＩ ５重量％を含
有するＦｅ−Ｃｒ−Ａｌステンレス鋼を供試材として使
用し、直径０．３の鉄球によりブラスト処理を行った。Regarding the radiation characteristics, a Fe-Cr-Al stainless steel containing 1% by weight of CF2O and 5% by weight of AI was used as a test material, and blasted with an iron ball having a diameter of 0.3.
その結果、表面粗度はＲａで１μｍとなった０次に、大
気雰囲気中で９２５℃で８時間保持すると、表面に長さ
２μｍのアルミナラ・イス力が生成した。この試験片を
４００℃に加熱し、波長３〜１５μｍの赤外線放射強度
を測定し、同一温度の黒体放射との比（放射率）を求め
ると、０８８であった。As a result, the surface roughness was 1 μm in Ra. When the surface roughness was held at 925° C. for 8 hours in the air, an alumina lathe force with a length of 2 μm was generated on the surface. This test piece was heated to 400°C, the infrared radiation intensity at a wavelength of 3 to 15 μm was measured, and the ratio (emissivity) to blackbody radiation at the same temperature was found to be 088.
耐熱性に関し、上述の試験片であるＣＦ２Ｏ重１％、Ａ
Ｉ ５重量％を含有するＦｅ−Ｃｒ−Ａｌステンレス鋼
のアルミナウィスカが生成されたものに対して、比較材
として、市販の５ＬＪＳ３０４にショット・プラスト処
Ｆｌ ７＆、市販のアルミナ・シリカ系遠赤外線塗料を
焼は塗装し、供試した。膜厚を測定したところ１３０μ
ｍであった。これらの耐熱性を調べるために、７００℃
加熱・空中放冷の繰返しテストを行った。比較材は、１
７７回目塗膜に割れが生じたが、供試材は１０００回に
おいても変化がなかった。Regarding heat resistance, the above-mentioned test piece CF2O weight 1%, A
In contrast to Fe-Cr-Al stainless steel containing 5% by weight of Fe-Cr-Al stainless steel in which alumina whiskers were generated, commercially available 5LJS304 was treated with shot-plast treatment Fl 7&, and commercially available alumina-silica far-infrared paint. I painted it and tried it out. The film thickness was measured and was 130μ.
It was m. In order to check the heat resistance of these, we tested them at 700℃.
A repeated test of heating and cooling in the air was conducted. The comparison material is 1
Cracks occurred in the coating film after the 77th coating, but there was no change in the sample material even after 1000 coatings.
耐食性に関し、比較材として、市販の５Ｏ３４３０にシ
ョツトブラスト処理後、市販のアルミナ・シリカ系遠赤
外線塗料を焼付塗装し、供試した。Regarding corrosion resistance, as a comparison material, a commercially available 5O3430 was shot blasted and then baked with a commercially available alumina/silica far-infrared paint.
膜厚を測定したところ、１３０μｍであった。これらの
耐熱性を調べるために、７００℃加熱・水を霧吹き冷却
の繰返しテストを行った。比較材は、５回目で塗膜に、
発錆による茶かつ色の斑点が生じたが、供試材は５０回
においても変化がなかった。When the film thickness was measured, it was 130 μm. In order to examine their heat resistance, a repeated test of heating to 700° C. and cooling by spraying water was conducted. For the comparison material, the coating film changed after the 5th application.
Although brown and colored spots appeared due to rusting, the sample material remained unchanged even after 50 cycles.
発明の効果
以上のように本発明によれば、Ｆｅ−Ｃｒ−Ａｌステン
レス鋼の表面に形成されたアルミナウィスカの皮膜によ
って、遠赤外線の放射特性が向上し、調理器としての加
熱効率が向上する。しがも、ステンレス鋼に形成された
アルミナウィスカによって耐熱性が向上し、加熱冷却を
繰返しても、アルミナウィスカが剥離することがなく、
したがって食品に異物が混入する恐れはない、また、こ
のようなアルミナウィスカによって、耐食性が向上し、
錆の発生が防がれる。Effects of the Invention As described above, according to the present invention, the alumina whisker film formed on the surface of Fe-Cr-Al stainless steel improves far-infrared radiation characteristics and improves heating efficiency as a cooker. . However, the heat resistance is improved by the alumina whiskers formed on the stainless steel, and the alumina whiskers do not peel off even after repeated heating and cooling.
Therefore, there is no risk of foreign matter getting into food, and these alumina whiskers improve corrosion resistance.
This prevents rust from forming.
第１図は本発明の一実施例の炊飯器１の断面図、第２図
はアルミナウィスカ９を示す断面図、第３図は本発明の
他の実施例の調Ｆ！！）１１の断面図、第４図は本発明
のさらに他の実施例の調理器１７の簡略化した断面図、
第５Ｉ２Ｉは第４図に示された調理器１７の斜視図、第
６図は本発明の他の実施例のフライヤ２３の断面図であ
る。
８・・・母材、９・・・アルミナウィスカ代理人 弁
理士 画数 圭一部
Ｍ １ 図
第２ 図
２３ 図
第４図
第６図
ノFIG. 1 is a cross-sectional view of a rice cooker 1 according to an embodiment of the present invention, FIG. 2 is a cross-sectional view showing an alumina whisker 9, and FIG. 3 is a cross-sectional view of a rice cooker 1 according to another embodiment of the present invention. ! ) 11; FIG. 4 is a simplified sectional view of a cooking device 17 according to still another embodiment of the present invention;
5I2I is a perspective view of the cooking device 17 shown in FIG. 4, and FIG. 6 is a sectional view of the fryer 23 of another embodiment of the present invention. 8...Base material, 9...Alumina whisker agent Patent attorney Number of strokes Keiichi M 1 Figure 2 Figure 23 Figure 4 Figure 6
Claims (4)
して、アルミナウィスカを生成させ、加熱されるべき食
品に接触または対向する加熱面を構成したことを特徴と
する調理器。(1) A cooking device characterized in that the surface of Fe-Cr-Al stainless steel is oxidized to generate alumina whiskers to form a heating surface that contacts or faces the food to be heated.
〜８重量％を含有することを特徴とする特許請求の範囲
第１項記載の調理器。(2) Stainless steel is Cr12-28% by weight, Al1
The cooking device according to claim 1, characterized in that the cooking device contains up to 8% by weight.
することを特徴とする特許請求の範囲第１項記載の調理
器。(3) The cooking device according to claim 1, wherein the alumina whisker has a length of 0.1 μm or more.
ことを特徴とする特許請求の範囲第１項記載の調理器。(4) The cooking device according to claim 1, wherein the alumina whisker has a length of 2 μm or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10945988A JPH01280426A (en) | 1988-05-02 | 1988-05-02 | Cooking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10945988A JPH01280426A (en) | 1988-05-02 | 1988-05-02 | Cooking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01280426A true JPH01280426A (en) | 1989-11-10 |
Family
ID=14510770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10945988A Pending JPH01280426A (en) | 1988-05-02 | 1988-05-02 | Cooking device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01280426A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018141210A (en) * | 2017-02-28 | 2018-09-13 | クリナップ株式会社 | Surface treatment metallic component and heating apparatus |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS637839A (en) * | 1986-06-30 | 1988-01-13 | Nippon Radiator Co Ltd | Metallic catalyst carrier |
| JPS6326335A (en) * | 1986-07-18 | 1988-02-03 | Kawasaki Steel Corp | Far infrared ray radiator and its production |
| JPS63154341A (en) * | 1986-12-18 | 1988-06-27 | 川崎製鉄株式会社 | Far infrared radiator |
-
1988
- 1988-05-02 JP JP10945988A patent/JPH01280426A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS637839A (en) * | 1986-06-30 | 1988-01-13 | Nippon Radiator Co Ltd | Metallic catalyst carrier |
| JPS6326335A (en) * | 1986-07-18 | 1988-02-03 | Kawasaki Steel Corp | Far infrared ray radiator and its production |
| JPS63154341A (en) * | 1986-12-18 | 1988-06-27 | 川崎製鉄株式会社 | Far infrared radiator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018141210A (en) * | 2017-02-28 | 2018-09-13 | クリナップ株式会社 | Surface treatment metallic component and heating apparatus |
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