JPS6381858U - - Google Patents
Info
- Publication number
- JPS6381858U JPS6381858U JP6149286U JP6149286U JPS6381858U JP S6381858 U JPS6381858 U JP S6381858U JP 6149286 U JP6149286 U JP 6149286U JP 6149286 U JP6149286 U JP 6149286U JP S6381858 U JPS6381858 U JP S6381858U
- Authority
- JP
- Japan
- Prior art keywords
- heat treatment
- zone
- treatment furnace
- gas
- pyrolysis gas
- 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.)
- Granted
Links
- 238000010438 heat treatment Methods 0.000 claims description 47
- 239000007789 gas Substances 0.000 claims description 37
- 238000000197 pyrolysis Methods 0.000 claims description 20
- 238000005255 carburizing Methods 0.000 claims description 7
- 239000002994 raw material Substances 0.000 claims description 7
- 238000009795 derivation Methods 0.000 claims description 6
- 238000009792 diffusion process Methods 0.000 claims description 4
- 239000011261 inert gas Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Landscapes
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Description
第１図は本考案の連続式熱処理炉の一例を示し
た断面説明図、第２図は小室２の一例を示した拡
大断面図である。第３図はガスの流れを示した模
式説明図である。第４〜５図は、ガスの流れの他
の例を示した模式説明図である。
１……熱処理炉、１ａ……昇温帯域、１ｂ……
浸炭帯域、１ｃ……拡散帯域、１ｄ……降温帯域
、１Ａ……有効加熱帯域、１Ｂ……有効加熱帯域
以外の帯域、２……小室、３……熱処理雰囲気原
料ガス供給用配管、３′……熱処理雰囲気原料ガ
ス直接供給用配管、４……熱分解ガス導出用配管
、５……筒体、６……ドロツプアーチ、７……装
入プツシヤー、８……装入室、９……炉装入扉、
１０……輻射管型バーナ、１１……フアン、１２
……スキツドレール、１３……トレイ、１４……
スロツト扉、１５……熱処理雰囲気原料ガス供給
系、１６……空気供給系、１７……被処理体。
FIG. 1 is an explanatory sectional view showing an example of a continuous heat treatment furnace of the present invention, and FIG. 2 is an enlarged sectional view showing an example of a small chamber 2. FIG. 3 is a schematic diagram showing the flow of gas. 4 and 5 are schematic explanatory diagrams showing other examples of gas flows. 1... Heat treatment furnace, 1a... Temperature raising zone, 1b...
Carburizing zone, 1c...Diffusion zone, 1d...Temperature cooling zone, 1A...Effective heating zone, 1B...Zone other than the effective heating zone, 2...Small chamber, 3...Piping for supplying heat treatment atmosphere raw material gas, 3' ...Piping for direct supply of heat treatment atmosphere raw material gas, 4...Piping for deriving pyrolysis gas, 5...Cylinder, 6...Drop arch, 7...Charging pusher, 8...Charging chamber, 9...Furnace charging door,
10... Radiation tube type burner, 11... Fan, 12
... Skitt rail, 13 ... Tray, 14 ...
Slot door, 15... heat treatment atmosphere source gas supply system, 16... air supply system, 17... object to be processed.
補正 昭６２．１１．１０
実用新案登録請求の範囲を次のように補正する
。Amendment November 10, 1986 The scope of claims for utility model registration is amended as follows.
【実用新案登録請求の範囲】
１ 不活性ガスをベースとするガス雰囲気下に連
続的に被処理体１７の熱処理を行うための熱処理
炉であつて、熱処理炉１の有効加熱帯域１Ａに小
室２を設け、この小室２に、熱処理雰囲気原料ガ
ス供給用配管３と、熱分解ガスを上記有効加熱帯
域１Ａ以外の帯域１Ｂに導くための熱分解ガス導
出用配管４とを設置したことを特徴とする連続式
熱処理炉。
２ 熱処理炉１がプツシヤー型連続ガス浸炭炉で
あり、有効加熱帯域１Ａが浸炭帯域１ｂおよび／
または拡散帯域１ｃである実用新案登録請求の範
囲第１項記載の連続式熱処理炉。
３ 小室２に、熱処理雰囲気原料ガス供給用配管
３と、熱分解ガスを上記有効加熱帯域１Ａ以外の
帯域１Ｂに導くための熱分解ガス導出用配管４と
、熱分解ガスを有効加熱帯域１Ａに導くための熱
分解ガス導出用配管４ａとを設けてなる実用新案
登録請求の範囲第１項記載の連続式熱処理炉。
４ 小室２に空気を供給可能に構成したことを特
徴とする実用新案登録請求の範囲第１項記載の連
続式熱処理炉。
補正 昭６２．７．９
実用新案登録請求の範囲を次のように補正する
。[Claims for Utility Model Registration] 1. A heat treatment furnace for continuously heat-treating a workpiece 17 in an inert gas-based gas atmosphere, which has a small chamber 2 in an effective heating zone 1A of the heat treatment furnace 1. The small chamber 2 is equipped with a pipe 3 for supplying raw material gas for the heat treatment atmosphere and a pipe 4 for deriving the pyrolysis gas for guiding the pyrolysis gas to the zone 1B other than the effective heating zone 1A. Continuous heat treatment furnace. 2 The heat treatment furnace 1 is a pusher type continuous gas carburizing furnace, and the effective heating zone 1A is the carburizing zone 1b and/or
or a continuous heat treatment furnace according to claim 1, which is a diffusion zone 1c. 3 In the small chamber 2, a heat treatment atmosphere raw material gas supply pipe 3, a pyrolysis gas derivation pipe 4 for guiding the pyrolysis gas to the zone 1B other than the effective heating zone 1A, and a pyrolysis gas to the effective heating zone 1A are provided. A continuous heat treatment furnace according to claim 1, which is provided with a pipe 4a for deriving pyrolysis gas. 4. The continuous heat treatment furnace according to claim 1 of the registered utility model, characterized in that air can be supplied to the small chamber 2. Amendment July 9, 1982 The scope of claims for utility model registration is amended as follows.
【実用新案登録請求の範囲】
１ 不活性ガスをベースとするガス雰囲気下に連
続的に被処理体１７の熱処理を行うための熱処理
炉であつて、熱処理炉１の有効加熱帯域１Ａに小
室２を設け、この小室２に、熱処理雰囲気原料ガ
ス供給用配管３と、熱分解ガスを上記有効加熱帯
域１Ａ以外の帯域１Ｂに導くための熱分解ガス導
出用配管４とを設置したことを特徴とする連続式
熱処理炉。
２ 熱処理炉１がプツシヤー型連続ガス浸炭炉で
あり、有効加熱帯域１Ａが浸炭帯域１ｂおよび／
または拡散帯域１ｃである実用新案登録請求の範
囲第１項記載の連続式熱処理炉。
３ 小室２に、熱処理雰囲気原料ガス供給用配管
３と、熱分解ガスを上記有効加熱帯域１Ａ以外の
帯域１Ｂに導くための熱分解ガス導出用配管４と
、熱分解ガスを有効加熱帯域１Ａに導くための熱
分解ガス導出用配管４ａとを設けてなる実用新案
登録請求の範囲第１項記[Claims for Utility Model Registration] 1. A heat treatment furnace for continuously heat-treating a workpiece 17 in an inert gas-based gas atmosphere, which has a small chamber 2 in an effective heating zone 1A of the heat treatment furnace 1. The small chamber 2 is equipped with a pipe 3 for supplying raw material gas for the heat treatment atmosphere and a pipe 4 for deriving the pyrolysis gas for guiding the pyrolysis gas to the zone 1B other than the effective heating zone 1A. Continuous heat treatment furnace. 2 The heat treatment furnace 1 is a pusher type continuous gas carburizing furnace, and the effective heating zone 1A is the carburizing zone 1b and/or
or a continuous heat treatment furnace according to claim 1, which is a diffusion zone 1c. 3 In the small chamber 2, a heat treatment atmosphere raw material gas supply pipe 3, a pyrolysis gas derivation pipe 4 for guiding the pyrolysis gas to the zone 1B other than the effective heating zone 1A, and a pyrolysis gas to the effective heating zone 1A are provided. Utility model registration claim 1, which is provided with a pyrolysis gas derivation pipe 4a for guiding
Claims (1)
続的に被処理体１７の熱処理を行うための熱処理
炉であつて、熱処理炉１の有効加熱帯域１Ａに小
室２を設け、この小室２に、熱処理雰囲気原料ガ
ス供給用配管３と、熱分解ガスを上記有効加熱帯
域１Ａ以外の帯域１Ｂに導くための熱分解ガス導
出用配管４とを設置したこと特徴とする連続式熱
処理炉。 ２ 熱処理炉１がプツシヤー型連続ガス浸炭炉で
あり、有効加熱帯域１Ａが浸炭帯域１ｂおよび／
または拡散帯域１ｃである実用新案登録請求の範
囲第１項記載の連続式熱処理炉。 ３ 小室２に、熱処理雰囲気原料ガス供給用配管
３と、熱分解ガスを上記有効加熱帯域１Ａ以外の
帯域１Ｂに導くための熱分解ガス導出用配管４と
、熱分解ガスを有効加熱帯域１Ａに導くための熱
分解ガス導出用配管４ａとを設けてなる実用新案
登録請求の範囲第１項記載の連続式熱処理炉。 ４ 小室２に空気を供給可能に構成したことを特
徴とする実用新案登録請求の範囲第１項記載の連
続式熱処理炉。[Claims for Utility Model Registration] 1. A heat treatment furnace for continuously heat-treating a workpiece 17 in an inert gas-based gas atmosphere, comprising a small chamber 2 in an effective heating zone 1A of the heat treatment furnace 1. The small chamber 2 is equipped with a heat treatment atmosphere raw material gas supply pipe 3 and a pyrolysis gas derivation pipe 4 for guiding the pyrolysis gas to a zone 1B other than the effective heating zone 1A. Continuous heat treatment furnace. 2 The heat treatment furnace 1 is a pusher type continuous gas carburizing furnace, and the effective heating zone 1A is the carburizing zone 1b and/or
or a continuous heat treatment furnace according to claim 1, which is a diffusion zone 1c. 3 In the small chamber 2, a heat treatment atmosphere source gas supply piping 3, a pyrolysis gas derivation piping 4 for guiding the pyrolysis gas to the zone 1B other than the effective heating zone 1A, and a pyrolysis gas to the effective heating zone 1A. A continuous heat treatment furnace according to claim 1, which is provided with a pyrolysis gas derivation pipe 4a for guiding the pyrolysis gas. 4. The continuous heat treatment furnace according to claim 1 of the registered utility model, characterized in that air can be supplied to the small chamber 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986061492U JPH0512276Y2 (en) | 1986-04-22 | 1986-04-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986061492U JPH0512276Y2 (en) | 1986-04-22 | 1986-04-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6381858U true JPS6381858U (en) | 1988-05-30 |
| JPH0512276Y2 JPH0512276Y2 (en) | 1993-03-29 |
Family
ID=30894881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986061492U Expired - Lifetime JPH0512276Y2 (en) | 1986-04-22 | 1986-04-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0512276Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56146819A (en) * | 1980-04-16 | 1981-11-14 | Nippon Steel Corp | Heat treatment furnace |
| JPS58163551U (en) * | 1982-04-22 | 1983-10-31 | 関東冶金工業株式会社 | Atmosphere heating furnace |
-
1986
- 1986-04-22 JP JP1986061492U patent/JPH0512276Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56146819A (en) * | 1980-04-16 | 1981-11-14 | Nippon Steel Corp | Heat treatment furnace |
| JPS58163551U (en) * | 1982-04-22 | 1983-10-31 | 関東冶金工業株式会社 | Atmosphere heating furnace |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0512276Y2 (en) | 1993-03-29 |
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