JP2001201264A - Furnace wall inside heating combustion type continuous rotary kiln - Google Patents
Furnace wall inside heating combustion type continuous rotary kilnInfo
- Publication number
- JP2001201264A JP2001201264A JP2000045183A JP2000045183A JP2001201264A JP 2001201264 A JP2001201264 A JP 2001201264A JP 2000045183 A JP2000045183 A JP 2000045183A JP 2000045183 A JP2000045183 A JP 2000045183A JP 2001201264 A JP2001201264 A JP 2001201264A
- Authority
- JP
- Japan
- Prior art keywords
- combustion
- kiln
- rotary kiln
- wall
- furnace wall
- 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
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は、大容量の間接加熱
燃焼式連続ロータリーキルンに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a large-capacity indirect heating combustion type continuous rotary kiln.
【0002】[0002]
【従来の技術】従来大容量の間接加熱燃焼式連続ロータ
リーキルンは、耐熱鋼製のキルンの外部加熱方式が用い
られている。2. Description of the Related Art Conventionally, a large-capacity indirect heating combustion type continuous rotary kiln employs an external heating system for a kiln made of heat-resistant steel.
【0003】[0003]
【発明の解決しようとする課題】しかしこれでは110
0℃を超える温度、又は耐熱鋼を侵す腐食ガスの発生す
る処理品には適しない。However, in this case, 110
It is not suitable for a treated product at a temperature exceeding 0 ° C. or where a corrosive gas is generated to attack heat-resistant steel.
【0004】[0004]
【課題を解決するための手段】その問題を解決するため
に、本発明では外側が円筒鋼鈑製で、内部に腐食に強い
ハイアルミナ質硬質耐火キャスタブル、外側に耐火断熱
キャスタブルを構築し、ハイアルミナ質硬質耐火キャス
タブル内に複数本の穴のあるキルンを作成し、その穴の
中に加熱筒となるセラミックパイプを入れる。尚セラミ
ックパイプはあまり長くすると割れやすくなるので、キ
ルンは1メートルから1.5メートル長さくらいのもの
を複数個連結する構造とする。その接続面にはパッキン
をつけ、燃焼ガス、処理品が漏れないようにしておく。In order to solve the problem, in the present invention, a high-alumina hard refractory castable which is made of a cylindrical steel plate on the outside and is resistant to corrosion and a refractory heat-insulating castable on the outside are constructed. A kiln with a plurality of holes is made in an alumina hard refractory castable, and a ceramic pipe to be a heating cylinder is put in the holes. Note that the ceramic pipe is likely to be broken if it is made too long. Therefore, the kiln has a structure in which a plurality of pipes each having a length of about 1 to 1.5 meters are connected. Packing is attached to the connection surface so that combustion gas and processed products do not leak.
【0005】そのキルンの一方は遮断壁にて蓋をしてお
き、その手前のキルン円周に複数個の処理品の排出口
を、炉壁内の穴に当たらない位置に設ける。その排出口
の外側に内面硬質キャスタブル製の排出フードを、キル
ンと隙間を持たせ架台上に取り付ける。[0005] One of the kilns is covered with a blocking wall, and discharge ports for a plurality of processed products are provided on the circumference of the kiln in front of the kiln so as not to hit holes in the furnace wall. A discharge hood made of hard castable on the inner surface is mounted on the gantry outside the discharge port, leaving a gap with the kiln.
【0006】遮断壁の反対面に燃焼室を設け、その中心
位置にバーナーを取り付けた円形の燃焼壁を設置する。
その燃焼壁は架台に固定され、回転しなく燃焼室と隙間
を設け、パッキンを付け、キルンが熱延長しても良いよ
うにスライド出来る構造となっている。[0006] A combustion chamber is provided on the opposite surface of the shut-off wall, and a circular combustion wall having a burner is installed at the center thereof.
The combustion wall is fixed to a gantry, has a structure in which a gap is provided between the combustion chamber without rotating, a packing is attached, and the kiln can slide so that the kiln may be thermally extended.
【0007】他方の投入側には、外部鋼鈑製で内部に耐
火断熱キャスタブルを施し、燃焼排ガス口のある、コの
字円筒型の排気フードを内外面共スライド式パッキンを
付けて架台上に設置し、複数の加熱筒よりの燃焼排ガス
を集め排気する。On the other input side, a refractory and heat-insulating castable made of an external steel plate is provided inside, and a U-shaped cylindrical exhaust hood having a combustion exhaust gas port is provided with a sliding packing on both the inner and outer surfaces to mount on a mount. Install and collect and exhaust combustion exhaust gas from multiple heating cylinders.
【0008】その排気フードの内部をメンテナンスホー
ルとし、そこにカバーを取り付け、そこに処理品投入用
のスクリューフィーダー、処理品から出る処理品排気口
を設ける。メンテナンスのためキルン内に人間が入る時
には、カバー、スクリューフィーダー、処理品排気口を
取り去るものとする。尚キルンが非常に大きくなれば、
カバーに人間が入れる大きさのマンホールを取り付ける
ことが出来、カバー、スクリューフィーダー、処理品排
気口を取り去ることなく、中に入れるようになる。The interior of the exhaust hood is used as a maintenance hole, a cover is attached to the maintenance hole, and a screw feeder for introducing the processed product and an exhaust port for the processed product are provided. When a person enters the kiln for maintenance, the cover, screw feeder, and processed product exhaust port shall be removed. If the kiln becomes very large,
The cover can be fitted with a manhole large enough for humans to insert into the cover without removing the cover, screw feeder and treated product exhaust.
【0009】本装置は周知のロータリーキルンと同様架
台上にて、2個のタイヤを設け、4個の受けローラーで
そのタイヤを受け、入り口側のタイヤに2個のストッパ
ーローラーをを取り付け、キルン本体にスプロケットを
固定し、減速機とローラーチエンで連結している構造
で、出口方向へある程度傾斜して設置している。In the present apparatus, two tires are provided on a mount like a well-known rotary kiln, the tires are received by four receiving rollers, and two stopper rollers are attached to the tire on the entrance side, and the kiln body is provided. The sprocket is fixed to the gearbox and connected to the reducer and roller chain.
【0010】[0010]
【発明の実施の形態】発明の実施の形態を図面に基づき
説明すると、外側を円筒形の鋼鈑17製で、内面側に腐
食に強いハイアルミナ質の硬質耐火キャスタブル20、
外面側に耐火断熱キャスタブル19を構築した、その硬
質耐火キャスタブルの炉壁内に複数本の穴を設けたキル
ン1を作成し、その穴の中に加熱筒となる炭化珪素又は
アルミナなどの耐熱性の高いセラミックパイプ22を入
れる。尚セラミックパイプはあまり長くすると割れやす
くなるので、キルン1は1メートルから1.5メートル
長さくらいのものを複数個ボルト、ナットっと23にて
連結する構造とする。その分割面24にはパッキン21
をつけ、燃焼ガス、処理品が漏れないようにしておく。
セラミックパイプ22が穴との隙間30があるために転
がって割れたりしないように、各分割面24で穴の端部
を少し広げ、セラミックパイプ22を装着した後、そこ
に充填パッキン33を硬く詰め込む。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings. An outer side is made of a cylindrical steel plate 17 and a hard alumina refractory castable 20 made of high alumina is provided on the inner side.
A kiln 1 in which a plurality of holes are provided in a furnace wall of the hard refractory castable in which a refractory heat-insulating castable 19 is constructed on an outer surface side, and heat resistance such as silicon carbide or alumina serving as a heating cylinder is formed in the hole. A high-quality ceramic pipe 22 is inserted. If the ceramic pipe is too long, it is easily broken. Therefore, the kiln 1 has a structure in which a plurality of pieces having a length of about 1 to 1.5 meters are connected by bolts and nuts 23. The packing 21
So that the combustion gas and processed products do not leak.
In order to prevent the ceramic pipe 22 from rolling and breaking due to the gap 30 with the hole, the end of the hole is slightly widened at each division surface 24, and after the ceramic pipe 22 is mounted, the filling packing 33 is tightly packed therein. .
【0011】そのキルン1の一方は遮断壁29にて蓋を
しておき、その側のキルン円周に複数個の処理品の排出
口26を、炉壁内の穴に当たらない位置に設ける。その
排出口26の外側に内面硬質キャスタブル18製の排出
フード4を、キルン1と隙間を持たせ,両隙間にパッキ
ン21を取り付け架台6上に取り付ける。One of the kilns 1 is covered with a blocking wall 29, and a plurality of treated product outlets 26 are provided in the kiln circumference on the side thereof so as not to hit holes in the furnace wall. The discharge hood 4 made of the inner hard castable 18 is provided outside the discharge port 26 with a gap between the kiln 1 and the packing 21 is attached to both the gaps and mounted on the gantry 6.
【0012】遮断壁29の炉外当たり面に、内部に耐火
断熱キャスタブル19を、セラミックパイプ22がずれ
ないように内径がセラミックパイプ22に少し掛かる寸
法に構築した、円筒形の燃焼室3を設け、その中心位置
にバーナー10を取り付けた円形の燃焼壁9を設置す
る。その燃焼壁9は架台6に2個のサポート11を介し
ボルト、ナット23にて固定され、燃焼室9と隙間を設
け、パッキン21を付け、キルン1が熱延長しても良い
ようにスライド出来る構造となっている。A cylindrical combustion chamber 3 in which a refractory and heat-insulating castable 19 is provided inside the cut-off wall 29 on the outer contact surface of the furnace so that the inner diameter of the refractory castable 19 slightly overlaps the ceramic pipe 22 so that the ceramic pipe 22 does not shift. A circular combustion wall 9 to which a burner 10 is attached is installed at the center position. The combustion wall 9 is fixed to the gantry 6 with bolts and nuts 23 via two supports 11, a gap is provided with the combustion chamber 9, a packing 21 is attached, and the kiln 1 can slide so that the kiln 1 may be thermally extended. It has a structure.
【0013】他端の投入側には、外部鋼鈑17製で内部
に耐火断熱キャスタブル19を施し、燃焼排ガス口14
のある、コの字円筒型の排気フード2を内外面共スライ
ド式パッキン21を付けて架台6上に2個のサポート1
1を介しボルト、ナット23にて固定設置し、複数の加
熱筒であるセラミックパイプ22よりの燃焼排ガスを集
め排気する。On the other input side, a refractory and heat-insulating castable 19 made of an external steel plate 17 is provided inside, and a combustion exhaust gas port 14 is provided.
, A U-shaped cylindrical exhaust hood 2 with two sliding supports 1 on a gantry 6 with a sliding packing 21 attached to the inner and outer surfaces.
1 and fixedly installed with bolts and nuts 23, and collects and exhausts the combustion exhaust gas from the ceramic pipes 22, which are a plurality of heating cylinders.
【0014】その排気フード2の内部をメンテナンスホ
ール28とし、そこにカバー27を取り付け、そこに処
理品投入用のスクリューフィーダー5、処理品から出る
排ガス用の処理品排気口15を設ける。メンテナンスの
ためキルン1内に人間が入る時には、カバー27、スク
リューフィーダー5、処理品排気口15を取り去るもの
とする。尚キルン1が非常に大きくなれば、カバー27
に人間が入れる大きさのマンホールを取り付けることが
出来、カバー27、スクリューフィーダー5、処理品排
気口15を取り去ることなく、中に入れるようになる。The inside of the exhaust hood 2 is a maintenance hole 28, a cover 27 is attached to the maintenance hole 28, and a screw feeder 5 for charging the processed product and a processed product exhaust port 15 for exhaust gas discharged from the processed product are provided therein. When a person enters the kiln 1 for maintenance, the cover 27, the screw feeder 5, and the processed product exhaust port 15 are to be removed. If the kiln 1 becomes very large, the cover 27
A manhole large enough for human beings can be attached to the cover, and the cover 27, the screw feeder 5, and the processed product exhaust port 15 can be inserted into the inside without being removed.
【0015】本装置は周知の直熱式ロータリーキルンと
同様架台6上に、キルン1にタイヤ7、タイヤ8を設
け、各2個の受けローラー12でそのタイヤ7、8を受
け、入り口側のタイヤ7に2個のストッパーローラー1
3をを取り付け、キルン1にスプロケット16を固定
し、架台6上に設置された減速機32とローラーチエン
31で連結した構造となっており、水平面25に対し燃
焼室側へある程度傾斜して設置する。In the present apparatus, a tire 7 and a tire 8 are provided on a kiln 1 on a gantry 6 similarly to a known direct-heat rotary kiln, and the two receiving rollers 12 receive the tires 7 and 8, respectively. 7 with two stopper rollers 1
3 and the sprocket 16 is fixed to the kiln 1 and connected to the reduction gear 32 and the roller chain 31 installed on the gantry 6. I do.
【0016】[0016]
【発明の効果】本発明は以上説明したように構成されて
いるので以下のような効果がある。Since the present invention is configured as described above, the following effects can be obtained.
【0017】耐熱鋼製キルンを使用せずに大容量の間接
加熱で燃焼式連続ロータリーキルンが完成するので、大
容量の間接加熱キルンで1100℃を超える温度の処理
が可能となる。The continuous rotary kiln is completed by a large-capacity indirect heating without using a heat-resistant steel kiln, so that a large-capacity indirect heating kiln can be used at a temperature exceeding 1100 ° C.
【0018】大容量のロータリーキルンで腐食性ガスの
発生する処理品を加熱処理できる。A treated product in which corrosive gas is generated can be heated by a large-capacity rotary kiln.
【0019】キルン1を分割しており、メンテナンス口
があるので修理、点検がしやすい。Since the kiln 1 is divided and has a maintenance port, repair and inspection are easy.
【0020】燃焼排ガスと処理品排ガスのルートが分か
れているので、排ガス処理がしやすい。Since the routes of the combustion exhaust gas and the processed product exhaust gas are separated, the exhaust gas can be easily processed.
【0021】硬質耐火キャスタブルはある程度の大きさ
で必ずひび割れを生ずるものであるが、セラミックパイ
プの中を燃焼ガスは通るのでキルン内に燃焼ガスが入る
ことはなく、処理品に影響しない。The hard refractory castable always causes cracks in a certain size, but since the combustion gas passes through the ceramic pipe, the combustion gas does not enter the kiln and does not affect the processed product.
【図1】 炉壁内加熱燃焼式連続ロータリーキルンの側
面断面図である。FIG. 1 is a side cross-sectional view of a furnace-heating continuous combustion type rotary kiln.
【図2】 炉壁内加熱燃焼式連続ロータリーキルンのA
−A断面図である。Fig. 2 A of a continuous rotary kiln with heating and combustion inside the furnace wall
It is -A sectional drawing.
【図3】 炉壁内加熱燃焼式連続ロータリーキルンのB
−B断面図である。[Fig. 3] B of continuous rotary kiln with heating and combustion inside the furnace wall
It is -B sectional drawing.
【図4】 炉壁内加熱燃焼式連続ロータリーキルンのC
−C断面図である。[Fig. 4] C of a continuous rotary kiln with heating and combustion inside the furnace wall
It is -C sectional drawing.
【図5】 炉壁内加熱燃焼式連続ロータリーキルンのD
−D断面図である。[Fig. 5] D of a continuous rotary kiln with heating and combustion inside the furnace wall
It is -D sectional drawing.
1 キルン 2 排気フード 3 燃焼室 4 排出フード 5 スクリューフィーダー 6 架台 7 タイヤ 8 タイヤ 9 燃焼壁 10バーナー 11サポート 12受けローラー 13ストッパーローラー 14燃焼排ガス口 15処理品排気口 16スプロケット 17鋼鈑 18硬質キャスタブル 19耐火断熱キャスタブル 20硬質耐火キャスタブル 21パッキン 22セラミックパイプ 23ボルト,ナット 24分割面 25水平面 26排出口 27カバー 28メンテナンスホール 29バンド 30隙間 31ローラーチエン 32減速機 33充填パッキン DESCRIPTION OF SYMBOLS 1 Kiln 2 Exhaust hood 3 Combustion chamber 4 Exhaust hood 5 Screw feeder 6 Mount 7 Tire 8 Tire 9 Combustion wall 10 Burner 11 Support 12 Receiving roller 13 Stopper roller 14 Combustion exhaust gas port 15 Treated product exhaust port 16 Sprocket 17 Steel plate 18 Hard castable 19 Fireproof and heat-insulating castable 20 Hard fireproof castable 21 Packing 22 Ceramic pipe 23 Bolt and nut 24 Splitting surface 25 Horizontal surface 26 Outlet 27 Cover 28 Maintenance hole 29 Band 30 Gap 31 Roller chain 32 Reduction gear 33 Filling packing
Claims (4)
造で、図1にて鋼鈑製円筒17の内部に硬質耐火煉瓦、
又は硬質耐火キャスタブル20を構築し、その壁内に複
数本の穴を設け、その中に加熱筒となる燃焼ガス煙道の
セラミックパイプ22を入れた炉壁内加熱燃焼式連続ロ
ータリーキルン。1. A well-known, direct-burning rotary kiln structure, in which a hard refractory brick is provided inside a steel plate cylinder 17 in FIG.
Alternatively, a continuous combustion rotary kiln in a furnace wall in which a hard refractory castable 20 is constructed, a plurality of holes are provided in the wall thereof, and a ceramic pipe 22 of a combustion gas flue serving as a heating cylinder is placed therein.
耐火断熱キャスタブル19を施し、燃焼排ガス口14の
ある、コの字円筒型の排気フード2を内外面共スライド
式パッキン21を付けて架台6上に設置し、複数のセラ
ミックパイプ22より出てきた燃焼排ガスを集め排気す
る構造で、その外にカバー27を設け、そこにスクリュ
ーフィーダー5、処理品から出る排ガス用の処理品排気
口15を設置し、燃焼排ガスと処理品排ガスの出口を分
けた炉壁内加熱燃焼式連続ロータリーキルン。2. In FIG. 1, a U-shaped cylindrical exhaust hood 2 provided with a fire-resistant and heat-insulating castable 19 inside made of an external steel plate on the input side and having a combustion exhaust gas port 14 is a sliding-type packing on both the inner and outer surfaces. 21 is provided on the gantry 6 to collect and exhaust combustion exhaust gas emitted from the plurality of ceramic pipes 22. A cover 27 is provided outside the cover 27, and the screw feeder 5 is provided there for exhaust gas from the processed product. A heated combustion continuous rotary kiln in the furnace wall in which a treated product exhaust port 15 is installed and the outlet of combustion exhaust gas and treated product exhaust gas are separated.
にて蓋をしておき、その手前のキルン1円周に複数個の
処理品の排出口26を、炉壁内の穴に当たらない位置に
設ける。その排出口26の外側に内面硬質キャスタブル
18製の排出フード4を、キルン1と隙間を持たせ架台
6上に取り付けた炉壁内加熱燃焼式連続ロータリーキル
ン。3. In FIG. 1, the treated product exit direction is a blocking wall 29.
, And a plurality of treated product outlets 26 are provided in a position around the circumference of the kiln in front of the lid so as not to hit holes in the furnace wall. A heating and burning type continuous rotary kiln in a furnace wall in which a discharge hood 4 made of an inner hard castable 18 is mounted outside the discharge port 26 on the gantry 6 with a gap between the kiln 1 and the hood 4.
面に燃焼室3を接続し、その中心位置にバーナー10を
取り付けた円形の燃焼壁9を設置する。その燃焼壁9は
架台6上にサポート11を介し固定され、回転せず燃焼
室3と隙間をとり、パッキン21を付け、キルン1が熱
延長しても良いようにスライド出来る構造となっている
炉壁内加熱燃焼式連続ロータリーキルン。4. In FIG. 1, a combustion chamber 3 is connected to a surface of a kiln 1 opposite to a blocking wall 29, and a circular combustion wall 9 to which a burner 10 is attached is provided at a center position thereof. The combustion wall 9 is fixed on the gantry 6 via a support 11, has a structure in which a gap is formed between the combustion chamber 3 without rotation, a packing 21 is attached, and the kiln 1 can slide so that the kiln 1 may be thermally extended. Continuous rotary kiln with heating and combustion inside the furnace wall.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000045183A JP2001201264A (en) | 2000-01-17 | 2000-01-17 | Furnace wall inside heating combustion type continuous rotary kiln |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000045183A JP2001201264A (en) | 2000-01-17 | 2000-01-17 | Furnace wall inside heating combustion type continuous rotary kiln |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2001201264A true JP2001201264A (en) | 2001-07-27 |
Family
ID=18567810
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2000045183A Pending JP2001201264A (en) | 2000-01-17 | 2000-01-17 | Furnace wall inside heating combustion type continuous rotary kiln |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2001201264A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104593588A (en) * | 2014-12-10 | 2015-05-06 | 陕西大山机械有限公司 | Iron oxide ore magnetizing and roasting equipment |
CN106091677A (en) * | 2016-02-01 | 2016-11-09 | 长兴鼎力窑炉设备厂 | Heating ceramic inner bag rotary furnace in a kind of |
-
2000
- 2000-01-17 JP JP2000045183A patent/JP2001201264A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104593588A (en) * | 2014-12-10 | 2015-05-06 | 陕西大山机械有限公司 | Iron oxide ore magnetizing and roasting equipment |
CN106091677A (en) * | 2016-02-01 | 2016-11-09 | 长兴鼎力窑炉设备厂 | Heating ceramic inner bag rotary furnace in a kind of |
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