JPH09221372A - Wear resistant member - Google Patents
Wear resistant memberInfo
- Publication number
- JPH09221372A JPH09221372A JP2883796A JP2883796A JPH09221372A JP H09221372 A JPH09221372 A JP H09221372A JP 2883796 A JP2883796 A JP 2883796A JP 2883796 A JP2883796 A JP 2883796A JP H09221372 A JPH09221372 A JP H09221372A
- Authority
- JP
- Japan
- Prior art keywords
- resistant member
- cast steel
- composite material
- wear
- grate
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23H—GRATES; CLEANING OR RAKING GRATES
- F23H17/00—Details of grates
- F23H17/12—Fire-bars
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23H—GRATES; CLEANING OR RAKING GRATES
- F23H2900/00—Special features of combustion grates
- F23H2900/17001—Specific materials therefor
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Porous Artificial Stone Or Porous Ceramic Products (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、たとえばストーカ
式ごみ焼却炉に用いる火格子のような、高温下で耐摩耗
が要求される耐摩耗部材に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wear-resistant member, such as a grate used in a stoker-type refuse incinerator, which requires wear resistance at high temperatures.
【０００２】[0002]
【従来の技術】従来、たとえばストーカ式ごみ焼却炉の
火格子の場合、高Ｃｒ系鋳鋼（Ｃｒ＝25〜28％程度含
有）が用いられてきた。また、試験的にはアルミナなど
のセラミックスが適用されたこともある。2. Description of the Related Art Conventionally, for example, in the case of a grate of a stoker type refuse incinerator, high Cr type cast steel (containing Cr = 25 to 28%) has been used. In addition, ceramics such as alumina have been applied as a test.
【０００３】[0003]
【発明が解決しようとする課題】ところが、高Ｃｒ系鋳
鋼の場合、ごみ灰による摩耗のため材質が劣化し、長時
間使用することはできない場合がある。また、セラミッ
クスの場合、金属と比較すると強度特性に劣るため、ご
み質によっては衝撃により破壊するという問題があっ
た。However, in the case of high Cr type cast steel, the material may deteriorate due to wear due to dust ash, and it may not be possible to use it for a long time. Further, ceramics are inferior in strength characteristics to metals, so that there is a problem in that they are destroyed by impact depending on the type of dust.
【０００４】そこで本発明のうち請求項１記載の発明
は、耐摩耗性や耐衝撃性に優れた耐摩耗部材を提供する
ことを目的としたものである。また請求項２記載の発明
は、耐摩耗性や耐衝撃性により一層優れた耐摩耗部材を
提供することを目的としたものである。Therefore, the first aspect of the present invention is to provide a wear resistant member having excellent wear resistance and impact resistance. A second aspect of the present invention is to provide a wear resistant member that is more excellent in wear resistance and impact resistance.
【０００５】[0005]
【課題を解決するための手段】前述した目的を達成する
ために、本発明のうちで請求項１記載の耐摩耗部材は、
高Ｃｒ系鋳鋼からなる本体の少なくとも他物接触面箇所
に、多孔質セラミックス体の多孔部に溶融金属を注入し
て形成した複合材料を、積層して構成したことを特徴と
したものである。In order to achieve the above-mentioned object, the wear-resistant member according to claim 1 of the present invention comprises:
It is characterized in that a composite material formed by injecting a molten metal into a porous portion of a porous ceramics body is laminated at least at a portion of a main body made of a high Cr-based cast steel in contact with another object to form a laminate.
【０００６】したがって請求項１の発明によると、多孔
質セラミックス体により耐摩耗性を向上し得るととも
に、注入した溶融金属により耐衝撃性を向上し得、以て
複合材料を本体に積層することで形成した耐摩耗部材の
寿命を、大幅に向上し得ることになる。Therefore, according to the first aspect of the present invention, the wear resistance can be improved by the porous ceramic body, and the impact resistance can be improved by the injected molten metal, whereby the composite material is laminated on the main body. The life of the formed wear resistant member can be greatly improved.
【０００７】また本発明の請求項２記載の耐摩耗部材
は、高Ｃｒ系鋳鋼からなる本体の少なくとも他物接触面
箇所に、多孔質セラミックス体の多孔部に金属粉末を充
填して形成した複合材料を積層したのち、加熱処理を行
って構成したことを特徴としたものである。The wear-resistant member according to claim 2 of the present invention is a composite formed by filling the porous portion of the porous ceramic body with metal powder at least at the contact surface of another body of the high Cr cast steel body. It is characterized in that the material is laminated and then heat-treated.
【０００８】したがって請求項２の発明によると、多孔
質セラミックス体により耐摩耗性を向上し得るととも
に、酸化した金属粉末、すなわち金属酸化物により耐衝
撃性を向上し得、以て酸化処理を施した複合材料を本体
に積層することで形成した耐摩耗部材の寿命を、より大
幅に向上し得ることになる。Therefore, according to the second aspect of the present invention, the wear resistance can be improved by the porous ceramic body, and the impact resistance can be improved by the oxidized metal powder, that is, the metal oxide. The life of the wear-resistant member formed by laminating the composite material described above on the main body can be significantly improved.
【０００９】そして本発明の請求項３記載の耐摩耗部材
は、上記した請求項２記載の構成において、金属粉末が
アルミニウム粉末であることを特徴としたものである。
したがって請求項３の発明によると、高Ｃｒ系鋳鋼との
反応が好適なアルミニウム粉末により耐衝撃性を向上し
得ることになる。The wear resistant member according to claim 3 of the present invention is characterized in that, in the structure according to claim 2, the metal powder is aluminum powder.
Therefore, according to the third aspect of the present invention, the impact resistance can be improved by the aluminum powder which is suitable for the reaction with the high Cr type cast steel.
【００１０】[0010]
【発明の実施の形態】以下に、本発明の実施の形態を、
ストーカ式ごみ焼却炉の火格子に採用した状態として図
１、図２に基づいて説明する。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below.
The state adopted in the grate of a stoker type waste incinerator will be described with reference to FIGS. 1 and 2.
【００１１】高Ｃｒ系鋳鋼からなる本体１の少なくとも
他物接触面箇所に、多孔質炭化珪素体（ＳｉＣであっ
て、多孔質セラミックス体の一例）２の多孔部３に高Ｃ
ｒ系鋳鋼（溶融金属の一例）４を注入して形成した複合
材料５を積層することで、火格子（耐摩耗部材の一例）
６を構成している。At least a portion of the main body 1 made of high Cr cast steel that comes into contact with another object, a high C content in the porous portion 3 of the porous silicon carbide body (SiC, which is an example of a porous ceramic body) 2.
A grate (an example of a wear resistant member) is obtained by laminating a composite material 5 formed by injecting r-type cast steel (an example of molten metal) 4
6.
【００１２】ここで高Ｃｒ系鋳鋼４の組成は、Ｓｉ：１
％，Ｃ：0.5 ％，Ｃｒ：28％，Ｎ：0.2 ％，Ｆｅ：残り
％である。そして高Ｃｒ系鋳鋼４の注入は、多孔質炭化
珪素体２を型にセットしたのち、加圧鋳造により高Ｃｒ
系鋳鋼４を鋳込むことにより行われ、その際に鋳造温度
は1600℃である。Here, the composition of the high Cr type cast steel 4 is Si: 1.
%, C: 0.5%, Cr: 28%, N: 0.2%, Fe: remaining%. Then, the high Cr cast steel 4 is injected by setting the porous silicon carbide body 2 in a mold and then performing high pressure Cr casting to obtain high Cr.
Casting is performed by casting the cast steel 4 and the casting temperature is 1600 ° C.
【００１３】このようにして製作された火格子６、すな
わち本発明品と従来の高Ｃｒ系鋳鋼との特性（腐食速度
ならびにビッカース硬さ）とを比較して見ると、下記の
表１のとおりであった。なお比較は、 耐食性：60％Ｎａ2 ＳＯ4 ＋40％ＮａＣｌによる650 ℃
×24ｈの溶融塩腐食 腐食速度（mm／day ）＝（Ｗ0 −Ｗ1 ）／Ｓ・１／ρ・
10・24／ｔ 耐摩耗性：室温におけるビッカース硬さ（荷重 ５Ｋｇ
ｆ） の条件で行った。When the characteristics (corrosion rate and Vickers hardness) of the grate 6 thus produced, that is, the product of the present invention and the conventional high Cr type cast steel are compared and compared, the results are shown in Table 1 below. Met. For comparison, corrosion resistance: 60% Na 2 SO 4 + 40% NaCl at 650 ℃
× 24h molten salt corrosion Corrosion rate (mm / day) = (W 0 −W 1 ) / S ・ 1 / ρ ・
10 ・ 24 / t Abrasion resistance: Vickers hardness at room temperature (load 5 kg
It was performed under the condition of f).
【００１４】[0014]
【表１】 [Table 1]
【００１５】上記の火格子６を用いて、焼却施設にてテ
ストを実施した。すなわち、一般廃棄物による焼却テス
トを2000時間実施したのち、外観を確認したところ、従
来材が摩耗面が約15％程度減肉していたのに対し、複合
材料５を適用したものはテスト前と差がなかった。Tests were carried out in an incineration facility using the grate 6 described above. That is, after an incineration test with general waste was carried out for 2000 hours, the appearance was confirmed and the wear surface of the conventional material was reduced by about 15%, whereas the composite material 5 was not tested before the test. There was no difference.
【００１６】なお、今回用いた多孔質炭化珪素体２は、
焼結温度を1000〜1400℃にすることにより気孔率を30〜
50％に調整したものである。また、高Ｃｒ系鋳鋼４を鋳
込んだのちの気孔率は０％であった。The porous silicon carbide body 2 used this time is
By setting the sintering temperature to 1000 to 1400 ° C, the porosity becomes 30 to
It is adjusted to 50%. In addition, the porosity after casting the high Cr cast steel 4 was 0%.
【００１７】以上の結果からも分かるように、多孔質炭
化珪素体２により耐摩耗性を向上し得るとともに、高Ｃ
ｒ系鋳鋼４により耐衝撃性を向上し得、以て複合材料５
を本体１に積層することで形成した火格子６を、ストー
カ式ごみ焼却炉の火格子として用いた場合、大幅な寿命
の向上をもたらすことが判明した。As can be seen from the above results, the porous silicon carbide body 2 can improve the wear resistance and the high C content.
Impact resistance can be improved by r-type cast steel 4, and thus composite material 5
It has been found that when the grate 6 formed by stacking the above with the main body 1 is used as a grate of a stoker type refuse incinerator, the life is greatly improved.
【００１８】次に、本発明の別の実施の形態を、図３に
基づいて説明する。前述の実施の形態と同様に、多孔質
セラミックス体を多孔質炭化珪素体２にて製作した。そ
して図３（Ａ）に示すように、その多孔部３に加圧成形
によりアルミニウム粉末（金属粉末の一例）10を充填す
ることで、図３（Ｂ）に示す複合材料11を得た。この複
合材料11を、図３（Ｃ）に示すように高Ｃｒ系鋳鋼から
なる本体１の少なくとも他物接触面箇所に密着して積層
させ、そして800 ℃にて大気中２ｈの加熱処理を行っ
た。この加熱処理を行うことで、本体１と複合材料11と
の間に、高Ｃｒ系鋳鋼とアルミニウム粉末10との反応層
12、すなわち結合層が形成され、また複合材料11の内部
や表面側のアルミニウム粉末10は金属酸化物10Ａとなっ
た。これにより図３（Ｄ）に示す火格子13を構成した。Next, another embodiment of the present invention will be described with reference to FIG. Similar to the above-described embodiment, the porous ceramic body was made of the porous silicon carbide body 2. Then, as shown in FIG. 3 (A), the porous portion 3 was filled with aluminum powder (an example of metal powder) 10 by pressure molding to obtain a composite material 11 shown in FIG. 3 (B). As shown in FIG. 3 (C), this composite material 11 was laminated in close contact with at least the contact surface of another body of the main body 1 made of high Cr cast steel, and heat-treated at 800 ° C. for 2 hours in the atmosphere. It was By performing this heat treatment, a reaction layer between the high-Cr cast steel and the aluminum powder 10 is formed between the main body 1 and the composite material 11.
12, that is, the bonding layer was formed, and the aluminum powder 10 inside and on the surface side of the composite material 11 became the metal oxide 10A. This constituted the grate 13 shown in FIG.
【００１９】このようにして製作された火格子13、すな
わち本発明品（酸化処理なし、酸化処理ありを含む）
を、前述の実施の形態と同様にして、従来の高Ｃｒ系鋳
鋼との特性を比較して見ると、下記の表２のとおりであ
った。The grate 13 manufactured in this manner, that is, the product of the present invention (including without oxidation treatment and with oxidation treatment)
Table 2 below shows a comparison of the characteristics with the conventional high Cr cast steel in the same manner as in the above-described embodiment.
【００２０】[0020]
【表２】 [Table 2]
【００２１】上記の火格子13を用いて、前述の実施の形
態と同様の焼却施設にてテストを実施した。2000時間経
過後に外観を確認したが、テスト前と大差はなかった。
この結果、多孔質セラミックス体に金属粉末を充填後、
酸化処理を施した複合材料11についても十分耐久性があ
ることを確認した。Using the grate 13 described above, a test was conducted in an incinerator similar to that of the above-mentioned embodiment. The appearance was confirmed after 2000 hours, but it was not much different from that before the test.
As a result, after filling the porous ceramics body with the metal powder,
It was confirmed that the oxidation-treated composite material 11 also had sufficient durability.
【００２２】なお、得られた摩耗面を切り出し、曲げ試
験を実施したところ、50kgf ／mm2であり、緻密質Ｓｉ
Ｃ単体の強度（40kgf ／mm2 ）と比較して25％アップし
ていた。The wear surface thus obtained was cut out and subjected to a bending test to find that it was 50 kgf / mm 2 and the dense Si
The strength was 25% higher than the strength of C alone (40 kgf / mm 2 ).
【００２３】以上の結果からも分かるように、多孔質炭
化珪素体２により耐摩耗性を向上し得るとともに、酸化
したアルミニウム粉末10、すなわち金属酸化物10Ａによ
り耐衝撃性を向上し得、以て酸化処理を施した複合材料
11を本体１に積層することで形成した火格子13を、スト
ーカ式ごみ焼却炉の火格子として用いた場合、より大幅
な寿命の向上をもたらすことが判明した。As can be seen from the above results, the wear resistance can be improved by the porous silicon carbide body 2 and the shock resistance can be improved by the oxidized aluminum powder 10, that is, the metal oxide 10A. Oxidized composite material
It has been found that when the grate 13 formed by stacking 11 on the main body 1 is used as a grate of a stoker-type refuse incinerator, the life is further improved.
【００２４】上記した別の実施の形態では、充填（封
入）する粉末金属として、高Ｃｒ系鋳鋼との反応を考え
てアルミニウム粉末10としたが、加熱後に反応して密着
が可能となる金属であれば何でも良い。また、加熱温度
を800 ℃としたが、粉末金属の特性に合わすことにより
低くすることも可能である。In the above-described another embodiment, aluminum powder 10 is used as the powder metal to be filled (enclosed) in consideration of the reaction with the high Cr cast steel, but it is a metal capable of reacting and adhering after heating. Anything is fine. Although the heating temperature is 800 ° C, it can be lowered by adjusting the characteristics of the powder metal.
【００２５】上記した両実施の形態では、多孔質セラミ
ックス体として、耐摩耗性を重視して炭化珪素（Ｓｉ
Ｃ）を用いたが、これは用途により、Ａｌ2 Ｏ3 などの
酸化物、Ｓｉ3 Ｎ4 などの窒化物を用いることも可能で
ある。In both of the above-mentioned embodiments, silicon carbide (Si) is used as the porous ceramic body with an emphasis on wear resistance.
Although C) is used, it is also possible to use an oxide such as Al 2 O 3 or a nitride such as Si 3 N 4 depending on the application.
【００２６】上記した両実施の形態では、耐摩耗部材と
して火格子６，13を示したが、これは他箇所の焼却炉形
成部材など、他の構成部材であってもよい。上記した両
実施の形態では、本体１の他物接触面箇所に複合材料
５，11を積層しているが、これは他物接触面箇所を含め
て全面に積層してもよい。In both of the above-mentioned embodiments, the grate 6, 13 is shown as the wear resistant member, but it may be another component such as an incinerator forming member at another place. In both of the above-described embodiments, the composite materials 5 and 11 are laminated on the other-object contact surface portion of the main body 1, but this may be laminated on the entire surface including the other-object contact surface portion.
【００２７】[0027]
【発明の効果】上記した本発明の請求項１によると、多
孔質セラミックス体により耐摩耗性を向上できるととも
に、注入した溶融金属により耐衝撃性を向上でき、以て
複合材料を本体に積層することで形成した耐摩耗部材の
寿命を、大幅に向上できる。したがって、耐摩耗部材を
ストーカ式ごみ焼却炉の火格子などに採用したとき、こ
の火格子などの寿命を大巾に向上できる。According to claim 1 of the present invention described above, the wear resistance can be improved by the porous ceramic body and the impact resistance can be improved by the injected molten metal, so that the composite material is laminated on the main body. The life of the wear-resistant member thus formed can be greatly improved. Therefore, when the wear-resistant member is used for a grate of a stoker-type refuse incinerator, the life of the grate can be greatly improved.
【００２８】また上記した本発明の請求項２によると、
多孔質セラミックス体により耐摩耗性を向上できるとと
もに、酸化した金属粉末、すなわち金属酸化物により耐
衝撃性を向上でき、以て酸化処理を施した複合材料を本
体に積層することで形成した耐摩耗部材の寿命を、より
大幅に向上できる。According to claim 2 of the present invention described above,
The wear resistance can be improved by the porous ceramics body, and the shock resistance can be improved by the oxidized metal powder, that is, the metal oxide, and thus the wear resistance formed by laminating the composite material that has been subjected to the oxidation treatment on the main body. The life of the member can be significantly improved.
【００２９】そして上記した本発明の請求項３による
と、高Ｃｒ系鋳鋼との反応が好適なアルミニウム粉末に
より耐衝撃性を向上できる。According to the third aspect of the present invention described above, the impact resistance can be improved by the aluminum powder which is suitable for the reaction with the high Cr type cast steel.
【図１】本発明の実施の形態の一例を示し、耐摩耗部材
（火格子）の斜視図である。FIG. 1 is a perspective view of an abrasion resistant member (grate) showing an example of an embodiment of the present invention.
【図２】同耐摩耗部材の要部の縦断面図である。FIG. 2 is a longitudinal sectional view of a main part of the wear resistant member.
【図３】本発明の別の実施の形態を示し、耐摩耗部材の
製造プロセスの概略説明図である。FIG. 3 shows another embodiment of the present invention and is a schematic explanatory diagram of a manufacturing process of the wear resistant member.
１ 本体（高Ｃｒ系鋳鋼） ２ 多孔質炭化珪素体（多孔質セラミックス体） ３ 多孔部 ４ 高Ｃｒ系鋳鋼（溶融金属） ５ 複合材料 ６ 火格子（耐摩耗部材） 10 アルミニウム粉末（金属粉末） 10Ａ 金属酸化物 11 複合材料 12 反応層 13 火格子（耐摩耗部材） 1 Main Body (High Cr Cast Steel) 2 Porous Silicon Carbide (Porous Ceramics) 3 Porous Part 4 High Cr Cast Steel (Molten Metal) 5 Composite Material 6 Grate (Abrasion Resistant Member) 10 Aluminum Powder (Metal Powder) 10A metal oxide 11 composite material 12 reaction layer 13 grate (wear resistant member)
フロントページの続き (72)発明者 角谷 茂 大阪府大阪市此花区西九条５丁目３番28号 日立造船株式会社内 (72)発明者 吉田 卓史 大阪府大阪市此花区西九条５丁目３番28号 日立造船株式会社内Front page continuation (72) Inventor Shigeru Sumiya 5-3 28 Nishi Kujo, Konohana-ku, Osaka City, Osaka Prefecture Hitachi Shipbuilding Co., Ltd. Issue Hitachi Shipbuilding Co., Ltd.
Claims (3)
他物接触面箇所に、多孔質セラミックス体の多孔部に溶
融金属を注入して形成した複合材料を、積層して構成し
たことを特徴とする耐摩耗部材。1. A composite material formed by laminating a molten metal into a porous portion of a porous ceramic body at least at a contact surface of another body of a body made of high Cr-based cast steel and laminating the composite material. Abrasion resistant member.
他物接触面箇所に、多孔質セラミックス体の多孔部に金
属粉末を充填して形成した複合材料を積層したのち、加
熱処理を行って構成したことを特徴とする耐摩耗部材。2. A structure in which a composite material formed by filling a porous portion of a porous ceramic body with metal powder is laminated on at least a contact surface of another body of a high Cr cast steel body, and then heat treatment is performed. A wear-resistant member characterized in that
を特徴とする請求項２記載の耐摩耗部材。3. The wear resistant member according to claim 2, wherein the metal powder is aluminum powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2883796A JPH09221372A (en) | 1996-02-16 | 1996-02-16 | Wear resistant member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2883796A JPH09221372A (en) | 1996-02-16 | 1996-02-16 | Wear resistant member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH09221372A true JPH09221372A (en) | 1997-08-26 |
Family
ID=12259494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2883796A Pending JPH09221372A (en) | 1996-02-16 | 1996-02-16 | Wear resistant member |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH09221372A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1705425A1 (en) * | 2005-03-22 | 2006-09-27 | ALSTOM Technology Ltd | Grate covering |
| EP1760488A1 (en) * | 2004-06-21 | 2007-03-07 | Fujitsu Ten Limited | Radar apparatus |
| KR100724554B1 (en) * | 2006-01-06 | 2007-06-04 | 삼성엔지니어링 주식회사 | Grate for incinerator with reinforced durability |
| JP2010274323A (en) * | 2009-06-01 | 2010-12-09 | Sapporo Kokyu Imono Co Ltd | Ceramic/metal composite material by cast-in insertion process and method for manufacturing the same |
| WO2010115541A3 (en) * | 2009-04-08 | 2011-11-10 | Baumgarte Boiler Systems Gmbh | Grate bar for an incinerator and method for producing such a grate bar |
| EP2878888A1 (en) * | 2013-12-02 | 2015-06-03 | WVT Breiding GmbH | Grate element with a cast ceramic insert |
-
1996
- 1996-02-16 JP JP2883796A patent/JPH09221372A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1760488A1 (en) * | 2004-06-21 | 2007-03-07 | Fujitsu Ten Limited | Radar apparatus |
| EP1760488A4 (en) * | 2004-06-21 | 2007-08-15 | Fujitsu Ten Ltd | Radar apparatus |
| US7429947B2 (en) | 2004-06-21 | 2008-09-30 | Fujitsu Ten Limited | Radar apparatus for detecting distance or velocity with respect to an object |
| EP1705425A1 (en) * | 2005-03-22 | 2006-09-27 | ALSTOM Technology Ltd | Grate covering |
| KR100724554B1 (en) * | 2006-01-06 | 2007-06-04 | 삼성엔지니어링 주식회사 | Grate for incinerator with reinforced durability |
| WO2010115541A3 (en) * | 2009-04-08 | 2011-11-10 | Baumgarte Boiler Systems Gmbh | Grate bar for an incinerator and method for producing such a grate bar |
| EA019607B1 (en) * | 2009-04-08 | 2014-04-30 | Баумгарте Бойлер Зистемс Гмбх | Grate bar for an incinerator and method for producing such a grate bar |
| US9038550B2 (en) | 2009-04-08 | 2015-05-26 | Baumgarte Boiler Systems Gmbh | Grate bar for an incinerator and method for producing such a grate bar |
| JP2010274323A (en) * | 2009-06-01 | 2010-12-09 | Sapporo Kokyu Imono Co Ltd | Ceramic/metal composite material by cast-in insertion process and method for manufacturing the same |
| EP2878888A1 (en) * | 2013-12-02 | 2015-06-03 | WVT Breiding GmbH | Grate element with a cast ceramic insert |
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