JPS62430B2 - - Google Patents
Info
- Publication number
- JPS62430B2 JPS62430B2 JP59103331A JP10333184A JPS62430B2 JP S62430 B2 JPS62430 B2 JP S62430B2 JP 59103331 A JP59103331 A JP 59103331A JP 10333184 A JP10333184 A JP 10333184A JP S62430 B2 JPS62430 B2 JP S62430B2
- Authority
- JP
- Japan
- Prior art keywords
- lance
- air
- cooling
- coke oven
- 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.)
- Expired
Links
- 238000001816 cooling Methods 0.000 claims description 41
- 230000008439 repair process Effects 0.000 claims description 23
- 239000007787 solid Substances 0.000 claims description 23
- 239000000571 coke Substances 0.000 claims description 18
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 239000010419 fine particle Substances 0.000 claims description 6
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims description 3
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 229910000423 chromium oxide Inorganic materials 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 239000011777 magnesium Substances 0.000 claims description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 3
- 239000000395 magnesium oxide Substances 0.000 claims description 3
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000013618 particulate matter Substances 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 3
- 229910052596 spinel Inorganic materials 0.000 claims description 3
- 239000011029 spinel Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 229910052726 zirconium Inorganic materials 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 239000002245 particle Substances 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 239000003245 coal Substances 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000003832 thermite Substances 0.000 description 1
Landscapes
- Nozzles (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明はコークス炉の内壁補修に用いられるラ
ンスに関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a lance used for repairing the inner wall of a coke oven.
［従来技術］
耐火物ブロツクで構築されている耐火炉例えば
コークス炉の内壁継目の破損、あるいはひび割れ
等を、操業を中断することなく補修する方法とし
て、アルミニウム、マグネシウム、珪素、ジルコ
ニウム等の酸化され易い金属または半金属性の微
細粒子と、アルミナ、酸化マグネシウム、酸化珪
素、酸化クロムあるいは、これらを含む尖晶石の
ような耐火性物質の微細粒子とからなる固形粒状
物を酸素気流に載せて破損面に吹きつけ、燃焼さ
せて溶着補修する方法が提案されている。この方
法を実施するに当つては、例えば第１図に略示す
るような装置が用いられる。即ち、同図におい
て、１は密閉した外筐であり、底部が開口し前記
固形粒状物３をいれたホツパー２が内設されてい
る。ホツパー２の底部には回転するテーブルフイ
ーダ４が付設され、掻き板５により、テーブルフ
イーダー４上に落下した固形粒状物３がロート状
排出口６から排出される。又、外筐１には配管７
より酸素が圧入される。ロート状排出口６から排
出された固形粒状物３は酸素気流に載せられて固
定配管８を通り、これと接続する可撓性パイプ９
を経て中空のランス１０に達する。そして、その
先端投射口１１より高熱状態にあるコークス炉１
２の破損面１３に向けて投射され、そこで燃焼し
て融着し補修が行なわれる。ここでランス１０に
は冷却水を通し、ランス全体を冷却するための水
冷外套１４が設けられている。１５および１６は
それぞれ冷却水の入口および出口、１５ａおよび
１６ａはそれらと接続する可撓性の通水、排水ホ
ースで図示せざる水供給源、排水管と連結してい
る。ところで、図示例の装置におけるランス１０
はコークス炉でいうと、炉中央部における内壁補
修に用いられるいわゆる水冷ランスと称せられる
もので、水冷外套１４が設けてあるため、投射さ
れる固形粒状物の高温燃焼熱によるランス本体の
破損が防止できる反面、補修の際にランスの移動
に合せて水冷外套１４に接続した通水ホース１５
ａおよび排水ホース１６ａをあちこちに引張り回
さなければならず、また、水冷外套１４を設けた
ことによるランスの重量増もあつて、その取扱い
は甚だ厄介である。また、固形粒状物による先端
投射口１１の目詰まりが頻発して作業性が劣る。[Prior art] As a method for repairing damage or cracks in the inner wall joints of refractory furnaces constructed with refractory blocks, such as coke ovens, without interrupting operation, oxidized materials such as aluminum, magnesium, silicon, zirconium, etc. A solid particulate material consisting of fine particles of a flexible metal or semimetal and fine particles of a refractory substance such as alumina, magnesium oxide, silicon oxide, chromium oxide, or spinel containing these is placed on an oxygen stream. A method has been proposed in which the damaged surface is sprayed and burnt to weld and repair. To carry out this method, for example, an apparatus as schematically shown in FIG. 1 is used. That is, in the figure, reference numeral 1 denotes a sealed outer casing, the bottom of which is open, and a hopper 2 containing the solid granules 3 is disposed therein. A rotating table feeder 4 is attached to the bottom of the hopper 2, and the solid particles 3 that have fallen onto the table feeder 4 are discharged from a funnel-shaped discharge port 6 by a scraper plate 5. In addition, the outer casing 1 has piping 7.
More oxygen is injected. The solid particles 3 discharged from the funnel-shaped outlet 6 are carried by an oxygen stream and pass through a fixed pipe 8, which is connected to a flexible pipe 9.
, and reach the hollow lance 10. Then, the coke oven 1 is in a high temperature state from the tip projection port 11.
It is projected toward the damaged surface 13 of No. 2, where it burns and fuses to repair it. Here, the lance 10 is provided with a water cooling jacket 14 for passing cooling water to cool the entire lance. 15 and 16 are an inlet and an outlet of cooling water, respectively, and 15a and 16a are connected to a water supply source and a drain pipe (not shown) through flexible water passage and drain hoses. By the way, the lance 10 in the illustrated example device
In coke ovens, this is a so-called water-cooled lance that is used to repair the inner wall in the center of the oven.Since it is equipped with a water-cooled jacket 14, the lance body is prevented from being damaged by the high-temperature combustion heat of the solid particles that are projected. On the other hand, the water flow hose 15 connected to the water cooling jacket 14 can be used to prevent the movement of the lance during repairs.
A and the drain hose 16a have to be dragged here and there, and the weight of the lance increases due to the provision of the water cooling jacket 14, making it extremely difficult to handle. Further, the tip projection port 11 is frequently clogged with solid particles, resulting in poor workability.
一方、前記水冷ランスに対するものとして、い
わゆる普通ランスも知られている。これは比較的
低温部、例えばコークス炉でいうと、炉側端の窯
口近傍の内壁補修に主として用いられるもので、
前記水冷ランスにおける水冷外套１４を欠くだけ
の構造のものである。これは水冷外套１４がない
点、および通水ホース、排水ホースを接続してい
ない点で水冷ランスよりも軽重量で取扱いは容易
であるが、固形粒状物の高温燃焼熱によりランス
本体が破損しやすく、また、バツクフアイアの発
生等使用上危険を伴う恐れがある。 On the other hand, a so-called ordinary lance is also known as an alternative to the water-cooled lance. This is mainly used for repairing the inner wall of a relatively low-temperature area, such as the inner wall near the kiln mouth at the end of a coke oven.
This is a structure that only lacks the water cooling jacket 14 in the water cooling lance. This lance is lighter in weight and easier to handle than a water-cooled lance because it does not have a water-cooled mantle 14 and does not have a water supply hose or drainage hose connected, but the lance body may be damaged by the high temperature combustion heat of solid particles. It is easy to use, and there is a possibility that it may be dangerous to use, such as the generation of backfire.
［本発明の目的］
本発明は、ランス自体を空冷構造とすることに
より、前記水冷ランスおよび普通ランスにみられ
る欠点を解消し、コークス炉の高温部、低温部の
いずれにも適用可能な補修用ランスを提供するも
のである。[Object of the present invention] The present invention eliminates the drawbacks of the water-cooled lance and ordinary lance by making the lance itself an air-cooled structure, and provides a repair method that can be applied to both the high-temperature section and the low-temperature section of a coke oven. It provides a lance for use.
［本発明の構成］
本発明は、コークス炉の内壁補修面に酸素気流
にのせて投射し、燃焼させることにより、補修面
上に融着耐火物を形成する固形粒状物を該補修面
に向けて投射する補修用ランスにおいて、前記固
形粒状物を流送する配管部およびその先端に連設
される投射ノズル部のおのおのに、空冷用外套を
設け、さらに該投射ノズル部における空冷用外套
の後端が拡大開口し、配管部における空冷用外套
先端がこれに挿入されていて両者の間に冷却用空
気の吸引間隙が形成されてなるコークス炉内壁の
補修用ランスを要旨とするものである。[Structure of the present invention] The present invention directs solid particulates, which form a fused refractory on the repaired surface, toward the repaired surface by projecting them onto the repaired surface of the inner wall of a coke oven in an oxygen stream and burning them. In a repair lance for projecting solid particles, an air-cooling mantle is provided for each of the piping part that conveys the solid particulate matter and the projection nozzle part connected to the tip thereof, and further, an air-cooling mantle is provided behind the air-cooling mantle in the projection nozzle part. The gist of this lance is a lance for repairing the inner wall of a coke oven, which has an enlarged opening at the end, into which the tip of an air cooling jacket in a piping section is inserted, and a suction gap for cooling air is formed between the two.
［実施例］
以下、本発明を、一実施例を示す図面に基づい
て説明する。第２図は、本発明の補修用ランスの
一例を示す一部を断面で表した正面図、第３図は
第２図におけるＸ―X′線矢視縦断面図、第４図
は同じくＹ―Y′線矢視縦断面図である。これら
の図において、１７は酸素気流にのせて固形粒状
物を流送する材質が例えばステンレスよりなる配
管部で、その後端、１７ａには第１図における固
形粒状物流送用の可撓性パイプ９が接続される。
固形粒状物は前記したとおり、アルミニウム、マ
グネシウム、珪素、ジルコニウム等の酸化れ易い
金属又は半金属性の微細粒子と、アルミナ、酸化
マグネシウム、酸化珪素、酸化クロムあるいは、
これらを含む尖晶石のような耐火性物質の微細粒
子との混合物で粒径が例えば20〜200ミクロンの
ものからなり、コークス炉内壁補修面上でテルミ
ツト反応により高温燃焼して溶着し、耐火性被膜
を形成するものである。１８は、配管部１７と冷
却用空気の流通する間隙を設けて、これに被設さ
れる空冷用外套で、後端面１８ａで閉止され、こ
れを配管部１７が貫通する。また、前方先端１８
ｂは、支持リブ１９で配管部１７を支持して開放
状となつている。空冷用外套には後端面１８ａ近
傍に冷却用空気導入枝管１８ｃが設けられてお
り、これに可撓性パイプ２０が接続され、図示せ
ざる圧空源から空冷用外套１８と配管部１７との
間隙に正圧の冷却用空気が導入されて前記前方先
端１８ｂから後記の空冷用外套２４内の導出され
る。２１は、配管部１７の前方端に、内側に螺子
山を螺設した連結ユニオン２２に着脱自在に連設
される、材質が例えばステンレレスパイプからな
る投射ノズル部であり、その最先端には封止用キ
ヤツプ２３が取付けられる。キヤツプ２３は投射
ノズル部２１内を酸素気流に載せられて流れる固
形粒状物が詰まつたときの掃除の際に、便利なよ
うに、着脱自在なねじ込み式になつている。更
に、投射ノズル部２１には、固形粒状物をコーク
ス炉内壁補修面に向けて投射する先端投射口２１
ｂを備えた枝管２１ａが設けられる。尚、枝管２
１ａの設置方向は、図示するような固形粒状物の
流れと直角の方向に限定されるというものではな
く、適用する補修面に応じて、任意に決められる
ものである。２４は投射ノズル部２１と冷却用空
気の流通する間隙を設けて、これに被設される空
冷用外套である。該空冷用外套２４は、後端面２
４ａが拡大開口しており、これに、前記配管部１
７に被設される空冷用外套１８の前方先端１８ｂ
が挿入され、間隙が形成されてここから空冷用常
圧空気が吸引（矢印で示す）され空冷温度が調節
される。空冷用外套２４内において、投射ノズル
部２１は支持リブ１９で支持されて両者の間の間
隙が保持され、枝管２１ａが投射口閉止面２４ｃ
を貫通し、これらによつて、投射ノズル２１は空
冷外套２４内で固定される。更に、空冷用外套２
４の最先端面２４ｂは開放状となつており、ここ
から、前記空冷用外套１８を経てその前方先端１
８ｂから導出された空冷用空気、および後端面２
４ａから吸引され空冷用外套２４を経た空冷用常
圧空気が一緒になつて排出（矢印で示す）され
る。[Example] Hereinafter, the present invention will be described based on drawings showing one example. FIG. 2 is a partially sectional front view showing an example of the repair lance of the present invention, FIG. 3 is a vertical cross-sectional view taken along the line X-X' in FIG. 2, and FIG. - It is a longitudinal cross-sectional view taken along the Y' line. In these figures, reference numeral 17 denotes a piping section made of stainless steel, for example, for transporting solid particles on an oxygen stream, and at the rear end, 17a, is a flexible pipe 9 for transporting solid particles in FIG. is connected.
As mentioned above, the solid particulates include fine particles of easily oxidizable metals or semimetals such as aluminum, magnesium, silicon, and zirconium, and alumina, magnesium oxide, silicon oxide, chromium oxide, or
A mixture of these and fine particles of refractory substances such as spinel, with a particle size of, for example, 20 to 200 microns, burns at high temperature by thermite reaction on the repaired surface of the inner wall of the coke oven and welds, making it refractory. It forms a sexual film. Reference numeral 18 denotes an air cooling jacket which is placed over the piping part 17 with a gap through which cooling air flows, and is closed at the rear end surface 18a, through which the piping part 17 passes. In addition, the front tip 18
b supports the piping portion 17 with support ribs 19 and has an open shape. A cooling air introduction branch pipe 18c is provided in the vicinity of the rear end surface 18a of the air cooling mantle, and a flexible pipe 20 is connected to this to connect the air cooling mantle 18 and the piping section 17 from a compressed air source (not shown). Positive pressure cooling air is introduced into the gap and led out from the front end 18b into an air cooling jacket 24, which will be described later. Reference numeral 21 denotes a projection nozzle section made of a stainless steel pipe, for example, which is detachably attached to the front end of the piping section 17 to a connecting union 22 having a thread threaded inside. A sealing cap 23 is attached. The cap 23 is of a removable screw-in type for convenience in cleaning when solid particles flowing inside the projection nozzle section 21 are clogged with an oxygen stream. Further, the projection nozzle portion 21 includes a tip projection port 21 for projecting solid particles toward the repair surface of the inner wall of the coke oven.
A branch pipe 21a with b is provided. In addition, branch pipe 2
The installation direction of 1a is not limited to the direction perpendicular to the flow of solid particles as shown in the figure, but can be arbitrarily determined depending on the surface to be repaired. Reference numeral 24 denotes an air cooling jacket which is placed over the projection nozzle part 21 with a gap through which cooling air flows. The air cooling jacket 24 has a rear end surface 2
4a has an enlarged opening, into which the piping section 1
The front end 18b of the air-cooling mantle 18 placed on the
is inserted, a gap is formed through which normal pressure air for air cooling is sucked (indicated by the arrow), and the air cooling temperature is adjusted. Inside the air cooling jacket 24, the projection nozzle section 21 is supported by the support ribs 19 to maintain a gap between them, and the branch pipe 21a is connected to the projection port closing surface 24c.
through which the projection nozzle 21 is fixed within the air-cooling jacket 24. Furthermore, air cooling jacket 2
4 has an open end surface 24b, from which the front end 1 passes through the air cooling mantle 18.
The cooling air led out from 8b and the rear end surface 2
The normal pressure air for air cooling that is sucked in from 4a and passed through the air cooling jacket 24 is discharged together (as shown by the arrow).
第５図は、本発明の補修用ランスのより効果的
な使用例を図示するもので、コークス炉炉頂２５
から装入蓋を外し、石炭装入口２６から炉内壁補
修を行なう場合について示している。即ち、コー
クス炉炉頂２５に架台２７を置き、これに横棒２
８をかけ渡し、バランサー２９で本発明の補修用
ランスを吊下げ、石炭装入口２６から挿入して、
補修する例を示す。これによれば、作業者に対す
る補修ランスの重量負荷がなく、投射ノズルの投
射方向を定める操作のみで、無駄な労力をかけな
いですむという利点がある。尚、同図で、３０は
上昇管３１内に上方へ向けて設けたエヤー噴射管
で、補修に当つて用いられた冷却用空気の炉外へ
の排出を一層容易にするとともに、装入口２６か
らの熱気の立上りを緩和し、補修用ランスを操作
する補修作業者が熱気に煽られることを防ぐ効果
を奏するものである。 FIG. 5 shows an example of more effective use of the repair lance of the present invention.
The case is shown in which the charging lid is removed from the coal charging port 26 and the furnace inner wall is repaired from the coal charging port 26. That is, a pedestal 27 is placed on the top 25 of the coke oven, and the horizontal bar 2 is attached to it.
8, hang the repair lance of the present invention with a balancer 29, insert it from the coal charging port 26,
An example of repair is shown below. According to this, there is no weight burden of the repair lance on the operator, and there is an advantage that there is no need for unnecessary labor by simply determining the projection direction of the projection nozzle. In the figure, reference numeral 30 is an air injection pipe provided upward in the riser pipe 31, which makes it easier to discharge the cooling air used for repairs to the outside of the furnace, and also makes it easier to discharge the cooling air used for repairs to the outside of the furnace. This has the effect of mitigating the rise of hot air and preventing repair workers operating the repair lance from being blown away by the hot air.
［本発明の効果］
本発明の補修用ランスは以上述べたように、固
形粒状物の燃焼溶射により耐火被膜を形成させ
て、コークス炉の破損面の補修を行うのに用いら
れるランスに空冷用外套を設けたことを特徴と
し、従来、コークス炉の炉頂から炉内壁の補修す
るのに難渋しした水冷ランスや冷却装置を付けな
い普通ランスにみられる欠点を一挙に解消するも
のである。しかして、軽量で取扱い易く、例えば
固形粒状物の異常燃焼による不測の事態にも即対
処出来る利点があり、しかも、補修用固形粒状物
による閉塞の問題は皆無に等しく、補修用資材の
無駄を解消するもので、その工業的利用価値は大
である。[Effects of the present invention] As described above, the repair lance of the present invention forms a refractory coating by combustion spraying of solid particles, and is used for air cooling on a lance used for repairing damaged surfaces of coke ovens. It is characterized by the provision of a jacket, which eliminates all the drawbacks of conventional water-cooled lances, which made it difficult to repair the inner walls of coke ovens from the top of the oven, and ordinary lances that do not have a cooling device. Therefore, it is lightweight and easy to handle, and has the advantage of being able to immediately deal with unexpected situations such as abnormal combustion of solid particles.Furthermore, there is no problem of clogging caused by solid particles for repair, and there is no wastage of repair materials. It has great industrial utility value.
第１図は、耐火炉補修装置の略示図、第２図は
本発明の補修用ランスの一例の一部を断面で表わ
した正面図、第３図は第２図のＸ―X′線におけ
る矢視縦断面図、第４図は同じくＹ―Y′線にお
ける矢視縦断面図、第５図は、使用状態を示す図
でである。
１……外筐、２……ホツパー、３……固形粒状
物、４……テーブルフイーダー、５……掻き板、
６……ロート状排出口、７……配管、８……固定
配管、９……可撓性パイプ、１０……ランス、１
１……先端投射口、１２……コークス炉、１３…
…破損面、１４……水冷外套、１５……冷却水入
口、１６……冷却水出口、１７……配管部、１８
……空冷用外套、１９……支持リブ、２０……可
撓性パイプ、２１……投射甲ノズル部、２２……
連結ユニオン、２３……封止用キヤツプ、２４…
…空冷用外套、２５……コークス炉々、２６……
石炭装入口、２７……架台、２８……横棒、２９
……バランサー、３０……エヤー噴射管、３１…
…上昇管。
Fig. 1 is a schematic diagram of a refractory furnace repair device, Fig. 2 is a front view showing a part of an example of the repair lance of the present invention in cross section, and Fig. 3 is a line taken along line X-X' in Fig. 2. FIG. 4 is a vertical cross-sectional view taken along the line YY', and FIG. 5 is a view showing the state of use. 1... Outer casing, 2... Hopper, 3... Solid granules, 4... Table feeder, 5... Scraping board,
6... Funnel-shaped discharge port, 7... Piping, 8... Fixed piping, 9... Flexible pipe, 10... Lance, 1
1... tip projection port, 12... coke oven, 13...
...Damaged surface, 14...Water cooling jacket, 15...Cooling water inlet, 16...Cooling water outlet, 17...Piping section, 18
... Air cooling jacket, 19 ... Support rib, 20 ... Flexible pipe, 21 ... Projection shell nozzle section, 22 ...
Connection union, 23... Sealing cap, 24...
...Air cooling jacket, 25...Coke ovens, 26...
Coal charging inlet, 27... Frame, 28... Horizontal bar, 29
... Balancer, 30 ... Air injection pipe, 31 ...
...Rising tube.
Claims (1)
投射し、燃焼させることにより、補修面上に融着
耐火物を形成する固形粒状物を該補修面に向けて
投射する補修用ランスにおいて、前記固形粒状物
を流送する配管部およびその先端に連設される投
射ノズル部のおのおのに、空冷用外套を設け、さ
らに該投射ノズル部における空冷用外套の後端が
拡大開口し、配管部における空冷用外套先端がこ
れに挿入されていて両者の間に冷却用空気の吸引
間隙が形成されてなることを特徴とするコークス
炉内壁の補修用ランス。 ２ 固形粒状物が、アルミニウム、マグネシウ
ム、珪素、ジルコニウム等の酸化され易い金属ま
たは半金属性の微細粒子と、アルミナ、酸化マグ
ネシウム、酸化珪素、酸化クロムあるいは、これ
らを含む尖晶石からなる耐火性物質の微細粒子と
の混合物である特許請求の範囲第１項記載のコー
クス炉内壁の補修用ランス。[Claims] 1. Solid particulate matter that forms a fused refractory on the repaired surface is projected toward the repaired surface by projecting it onto the repaired surface of the inner wall of a coke oven in an oxygen stream and burning it. In the repair lance, an air-cooling mantle is provided in each of the piping part for conveying the solid particulate matter and the projection nozzle part connected to the tip thereof, and further, the rear end of the air-cooling mantle in the projection nozzle part is enlarged. 1. A lance for repairing an inner wall of a coke oven, which is open and has a tip of an air-cooling mantle in a piping section inserted therein to form a suction gap for cooling air between the two. 2. Fire resistance in which the solid particulates consist of easily oxidized metal or semimetallic fine particles such as aluminum, magnesium, silicon, zirconium, etc., and alumina, magnesium oxide, silicon oxide, chromium oxide, or spinel containing these. The lance for repairing the inner wall of a coke oven according to claim 1, which is a mixture with fine particles of a substance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10333184A JPS60248989A (en) | 1984-05-22 | 1984-05-22 | Lance for repairing inner wall of refractory furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10333184A JPS60248989A (en) | 1984-05-22 | 1984-05-22 | Lance for repairing inner wall of refractory furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60248989A JPS60248989A (en) | 1985-12-09 |
| JPS62430B2 true JPS62430B2 (en) | 1987-01-07 |
Family
ID=14351179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10333184A Granted JPS60248989A (en) | 1984-05-22 | 1984-05-22 | Lance for repairing inner wall of refractory furnace |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60248989A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5660815B2 (en) * | 2010-07-02 | 2015-01-28 | 日本特殊炉材株式会社 | Lance |
| JP6788718B1 (en) * | 2019-10-04 | 2020-11-25 | 黒崎播磨株式会社 | How to repair by spraying a kiln |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5021903A (en) * | 1973-06-28 | 1975-03-08 | ||
| JPS5832139U (en) * | 1981-08-28 | 1983-03-02 | いすゞ自動車株式会社 | Engine sound insulation cover mounting device |
-
1984
- 1984-05-22 JP JP10333184A patent/JPS60248989A/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5021903A (en) * | 1973-06-28 | 1975-03-08 | ||
| JPS5832139U (en) * | 1981-08-28 | 1983-03-02 | いすゞ自動車株式会社 | Engine sound insulation cover mounting device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60248989A (en) | 1985-12-09 |
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