JPS593677B2 - You can't help it. - Google Patents
You can't help it.Info
- Publication number
- JPS593677B2 JPS593677B2 JP8300175A JP8300175A JPS593677B2 JP S593677 B2 JPS593677 B2 JP S593677B2 JP 8300175 A JP8300175 A JP 8300175A JP 8300175 A JP8300175 A JP 8300175A JP S593677 B2 JPS593677 B2 JP S593677B2
- Authority
- JP
- Japan
- Prior art keywords
- furnace slag
- melting furnace
- heat
- rotating body
- rotating
- 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
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- Curing Cements, Concrete, And Artificial Stone (AREA)
- Manufacture Of Iron (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Description
【発明の詳細な説明】
本発明は製鉄・製鋼過程にて生じる高炉滓・転炉滓等の
溶融炉滓より排熱を有効に回収する方法に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for effectively recovering waste heat from melting furnace slag, such as blast furnace slag and converter slag, generated during iron and steel manufacturing processes.
高炉滓・転炉滓等の溶融炉滓は高温で多量の排熱を有し
ているので、この排熱を回収するのが望ましいが、従来
の技術では回収した排熱から得られる蒸気が低圧であり
、かつ大型のタービン機器を要し、また溶融炉滓を効率
よく細粒化して液体状から固体状まで冷却することが困
難であるので、現在ではまだ上記溶融炉滓からの有効な
熱回収は行なわれていない。Melting furnace slag, such as blast furnace slag and converter slag, is high temperature and has a large amount of waste heat, so it is desirable to recover this waste heat, but with conventional technology, the steam obtained from the recovered waste heat is However, it requires large turbine equipment, and it is difficult to efficiently refine the melting furnace slag and cool it from a liquid state to a solid state.Currently, there is still no effective way to utilize the heat from the melting furnace slag. No collection has taken place.
本発明は上記の点に鑑みなされたもので、その目的とす
るところは、製鉄・製鋼過程にて生じる各種溶融炉滓が
有する熱を回収する方法において、立塔内に、横方向の
軸心を有する複数の回転体を、隣接する回転体が上下方
向に関してラップするように、上下方向に対して傾斜す
る方向に列設して、強制回転せしめられた各回転体の上
向き速度成分を有する上面側に溶融炉滓を落下させて細
粒化すると共に、上記立塔等を有する循環ルートを冷却
用流体を循環させて、立塔内を強制的に上昇せしめられ
る冷却用流体により、上記落下する溶融炉滓を冷却し、
この冷却により高温化された冷却用流体を防塵前又は該
後に取り出して熱交換による奪熱により熱を回収した後
、上記奪熱により冷却された冷却用流体を循環ルートに
より立塔内に給送することを特徴とする溶融炉滓より熱
を回収する方法を提供するにある。The present invention has been made in view of the above points, and its purpose is to provide a method for recovering heat possessed by various types of melting furnace slag produced in the iron and steel manufacturing processes. A plurality of rotating bodies having a plurality of rotating bodies are arranged in a direction inclined with respect to the vertical direction so that adjacent rotating bodies overlap in the vertical direction, and an upper surface of each rotating body having an upward velocity component that is forced to rotate. The melting furnace slag is dropped to the side to make it fine, and a cooling fluid is circulated through the circulation route having the tower, etc., and the cooling fluid is forcibly raised inside the tower, and the melting furnace slag is made to fall. Cool the melting furnace slag,
The cooling fluid that has become high in temperature due to this cooling is taken out before or after dustproofing and the heat is recovered by heat removal through heat exchange, and then the cooling fluid that has been cooled by the heat removal is fed into the tower via a circulation route. The present invention provides a method for recovering heat from melting furnace slag.
以下、本発明の構成を図面に基づいて説明する。Hereinafter, the configuration of the present invention will be explained based on the drawings.
第1図において、1は立塔で、この立塔内の上部に後述
する細粒化装置2が設けられ、この立塔内の下部に多数
の冷却気体噴出孔を有する仕切壁3が傾斜して設けられ
、この仕切壁の側部の塔壁に排出口4が設けられている
。In Fig. 1, reference numeral 1 denotes a tower, in the upper part of which a pulverizer 2, which will be described later, is installed, and in the lower part of the tower, a partition wall 3 having a large number of cooling gas ejection holes is inclined. A discharge port 4 is provided in the tower wall on the side of this partition wall.
立塔1の上端部に設けられた炉滓鍋5より細粒化装置2
に向けて高温の溶融炉滓が流下すると、この溶融炉滓は
細粒化されて落下するとともに立塔1の下部より送風機
6により連続的に送入される冷却気体と向流接触しなか
ら細粒同志が再固着不能な程度の温度まで冷却・固化す
る。Particle refining device 2 is connected to furnace slag pan 5 provided at the upper end of tower 1.
When the high-temperature melting furnace slag flows down toward the tower, the melting furnace slag becomes fine particles and falls, and does not come into countercurrent contact with the cooling gas that is continuously introduced from the bottom of the tower 1 by the blower 6. The fine particles are cooled and solidified to a temperature that makes it impossible for them to stick together again.
冷却・固化した細粒は文略下部の排出口4より塔外へ排
出される。The cooled and solidified fine particles are discharged to the outside of the tower from the discharge port 4 at the bottom of the tower.
一方、細粒化炉滓と接触しつつ車路上部へ上昇する高温
の冷却気体は、車路上部より取り出されて集塵機7によ
り除塵された後、熱交換器8へ送られ熱媒体と熱媒体導
管9を介して接触する。On the other hand, the high-temperature cooling gas that rises to the top of the vehicle while coming into contact with the pulverizing furnace slag is taken out from the top of the vehicle and removed by the dust collector 7, and then sent to the heat exchanger 8 where it is mixed with the heat medium and heat medium. Contact is made via conduit 9.
熱媒体は高温気体により加熱されて熱を回収するととも
に、高温になった冷却気体を冷却する。The heat medium is heated by the high temperature gas and recovers the heat, and also cools the high temperature cooling gas.
この冷却気体は送風機6により再度文略1の下部へ送入
循環される。This cooling gas is again sent and circulated to the lower part of the structure 1 by the blower 6.
10は冷却気体パージ管である。10 is a cooling gas purge pipe.
なお第2図に示すように、文略1の下部に隣接して、多
数の冷却気体噴出孔を有する移動床11を備えた固定室
12からなる残留熱回収室を設け、細粒化された溶融炉
滓を文略1の下部から固定室12へ送出し、冷却気体の
一部を移動床11の下側へ送入して、より有効に熱回収
を行なうことができるように構成することもある。As shown in Fig. 2, a residual heat recovery chamber consisting of a fixed chamber 12 equipped with a moving bed 11 having a large number of cooling gas ejection holes is provided adjacent to the lower part of the bunroku 1. The structure is such that the melting furnace slag is sent from the lower part of the bunker 1 to the fixed chamber 12, and a part of the cooling gas is sent to the lower side of the moving bed 11, so that heat can be recovered more effectively. There is also.
また第3図に示すように、文略下部の排出口4に回転キ
ルン13からなる残留熱回収室を接続し、細粒化された
溶融炉滓を文略1の下部から回転キルン13へ送出し、
冷却気体の一部を回転キルン13へ送入して、より有効
に熱回収を行なうことができるように構成することもあ
る。In addition, as shown in Fig. 3, a residual heat recovery chamber consisting of a rotary kiln 13 is connected to the discharge port 4 at the lower part of the bunraku, and the pulverized melting furnace slag is sent from the lower part of the bunraku 1 to the rotary kiln 13. death,
In some cases, a part of the cooling gas is sent to the rotary kiln 13 so that heat can be recovered more effectively.
溶融炉滓を細粒化する方法としては、多重回転体からな
る細粒化装置を採用している。As a method for refining the melting furnace slag, a refining device consisting of multiple rotating bodies is used.
即ち、第4図に示すように、文略壁14に隣接して互い
に平行に、かつ溶融炉滓15の流下または流出方向に対
して回転体の長手方向が直角となるように複数個の回転
体16.16・・・・・・を設ける。That is, as shown in FIG. 4, a plurality of rotating bodies are arranged adjacent to the vertical wall 14, parallel to each other, and so that the longitudinal direction of the rotating body is perpendicular to the flowing down or outflow direction of the melting furnace slag 15. A body 16.16... is provided.
回転体16は、文略壁壁を貫通しかつ両端が文略の外側
部に設けられた軸受によって水平に支承される回転軸に
一体となるよ”うに固着され、文路外部から回転軸およ
び回転体16を駆動可能なように構成されている。The rotating body 16 is fixed so as to be integral with a rotating shaft that penetrates the wall and is horizontally supported at both ends by bearings provided on the outside of the building, and is connected to the rotating shaft and the shaft from outside the building. It is configured to be able to drive the rotating body 16.
回転体は上下方向に対して傾斜する方向の直線状または
任意の曲線状に配列される。The rotating bodies are arranged in a straight line or in an arbitrary curved line that is inclined with respect to the vertical direction.
また回転体の表面形状としては、たとえば回転円筒面、
回転円錐面、回転動物面、回転双曲面等の一部分等の曲
面を採用することができる。In addition, the surface shape of the rotating body includes, for example, a rotating cylindrical surface,
A curved surface such as a portion of a rotating conical surface, a rotating animal surface, a rotating hyperboloid surface, etc. can be employed.
このようにして構成される多重回転体は、たとえば第1
の回転体を軸芯からみて凸状の曲面で構成するならば、
第2の回転体を第1のものとほぼ同一の曲面であるが、
軸芯からみて凹状となるように形成し、第1と第2の回
転体が適渦な隙間をもって噛合うように回転体同志を平
行に配列して形成される。The multi-rotating body constructed in this way is, for example, the first
If the rotating body is composed of a convex curved surface when viewed from the axis, then
The second rotating body has almost the same curved surface as the first one,
It is formed to have a concave shape when viewed from the axis, and the rotating bodies are arranged in parallel so that the first and second rotating bodies mesh with each other with an appropriate gap.
このようにして平行に配列された回転軸群はすべて回転
方向を同一として、駆動されるので、前記噛合いの部分
では互いに逆方向の速度ですれ違い、相対速度は夫々の
回転体の回転周速度の和となっている。Since all of the rotating shafts arranged in parallel in this way are driven in the same direction of rotation, they pass each other at speeds in opposite directions at the meshing part, and the relative speed is determined by the circumferential speed of rotation of each rotating body. It is the sum of
なお上記の理由から、回転体の回転曲面、回転軸同志の
干渉を避けるために、少なくとも回転体の回転軸芯は回
転軸の軸芯と一致させるのが、夫々の軸の回転速度を独
立に決定し得るので望ましい。For the above reasons, in order to avoid interference between the rotating curved surface of the rotating body and the rotating shafts, it is recommended that at least the axis of rotation of the rotating body coincides with the axis of the rotating shaft. This is desirable because it can be determined.
互いに平行に配列された回転軸群は、第4図に示すよう
に、鉛直下向きに流下する溶融炉滓15に対して直線状
または任意の曲線状に配列される。As shown in FIG. 4, the rotating shafts arranged parallel to each other are arranged in a straight line or in an arbitrary curved line with respect to the melting furnace slag 15 flowing vertically downward.
この場合、夫々の回転体表面の周速度ベクトルが上向き
の速度成分を有する表面範囲のみを、落下する溶融炉に
対して露出し、下向きの速度成分を有する表面範囲はそ
の回転体の上方に位置する回転体または遮蔽板の影とな
るように構成している。In this case, only the surface area where the circumferential velocity vector of the surface of each rotating body has an upward velocity component is exposed to the falling melting furnace, and the surface area where the circumferential velocity vector has a downward velocity component is located above the rotating body. It is configured so that it is in the shadow of a rotating body or a shielding plate.
一般に高炉滓、転炉滓のような溶融炉滓の温度は高温で
あるので、高温雰囲気に曝される回転体および回転軸は
耐熱鋳鉄、耐熱用特殊鋼等の部材により構成するのが好
適である。Since the temperature of melting furnace slag such as blast furnace slag and converter slag is generally high, it is preferable that the rotating body and rotating shaft exposed to the high temperature atmosphere be made of materials such as heat-resistant cast iron or heat-resistant special steel. be.
この場合、第5図および第6図に示すように、回転体1
6を中空状として、この回転体16と回転軸1γとの間
の間隙18に外部から冷却水のような冷却液体または冷
却気体を通して連続的に回転体を冷却するように構成す
るのが望ましい。In this case, as shown in FIGS. 5 and 6, the rotating body 1
It is preferable that the rotating body 6 is hollow so that a cooling liquid such as cooling water or a cooling gas is passed from the outside into the gap 18 between the rotating body 16 and the rotating shaft 1γ to continuously cool the rotating body.
なお回転体16の表面に適当な突起を設けて、より細粒
化し易いように構成することもできる。Incidentally, it is also possible to provide suitable protrusions on the surface of the rotating body 16 to make it easier to make the particles finer.
また第7図および第8図に示すように、文略壁14、す
なわち多重回転体支持壁に1個または複数個の冷却流体
噴出口19を、この噴出口19が回転体の間、回転体の
上側または下側に位置するように設けて、回転体を外部
から冷却するとともに回転体へ溶融炉滓が付着するのを
防止して細粒化を促進できるように構成することもある
。In addition, as shown in FIGS. 7 and 8, one or more cooling fluid jets 19 are provided in the vertical wall 14, that is, the multi-rotating body support wall, and the jets 19 are arranged between the rotors. It may be arranged above or below the rotating body to cool the rotating body from the outside, prevent melting furnace slag from adhering to the rotating body, and promote grain refinement.
さらに第9図〜第12図に示すように、1個または複数
個の中空状回転体16の表面に多数の孔20.20・・
・・・・を設けて、回転軸17と回転体16との間の間
隙18に冷却流体を流して回転体16を内部から冷却す
ると共に、孔20,20・・・・・・から冷却流体を噴
出させることにより溶融炉滓15を細粒化できるように
構成することもある。Furthermore, as shown in FIGS. 9 to 12, a large number of holes 20, 20...
... is provided to cool the rotor 16 from the inside by flowing cooling fluid into the gap 18 between the rotating shaft 17 and the rotating body 16, and cooling fluid is supplied from the holes 20, 20... The structure may be such that the melting furnace slag 15 can be made fine by spouting out the melting furnace slag 15.
ここで回転軸17と回転体16さは、別体にて外殻一部
としての着脱交換等は至便であるが、両者16.17の
一体構成によっても可能である。Here, it is convenient to attach and detach the rotating shaft 17 and the rotating body 16 as separate bodies as part of the outer shell, but it is also possible to configure both the rotating shaft 16 and the rotating body 16 in an integrated structure.
本発明は以下のような種々の効果を有している。The present invention has the following various effects.
(1)溶融炉滓が溶融状態から冷却固化状態に到る間に
放出する顕熱、潜熱を有効に回収することができ、回収
エネルギーを高圧水蒸気用、電力用、その他の加熱用に
用いることができる。(1) It is possible to effectively recover the sensible heat and latent heat released while the melting furnace slag changes from the molten state to the cooled and solidified state, and the recovered energy can be used for high-pressure steam, electric power, and other heating purposes. I can do it.
(2)従来の自然および散水冷却方式では、大塊状の固
形炉滓の粉砕、収集、細粒化、分級等の後処理プロセス
を必要としたが、本発明においては細粒化して排水する
ので後処理プロセスが不要となる。(2) Conventional natural and water cooling systems require post-processing processes such as crushing, collecting, pulverizing, and classifying large blocks of solid slag, but in the present invention, it is finely granulated before being discharged. No post-processing process is required.
(3)炉滓処理を連続的に行なえること、および自然落
下を利用する塔方式であるため、プラントは小規模とな
り広大な面積の冷却ヤードを必要としなくなる。(3) Since the furnace slag treatment can be carried out continuously and the tower system utilizes natural fall, the plant is small-scale and does not require a vast cooling yard.
(4)転炉滓は一般に8〜15%、最高25%の鉄分を
含むが、本発明において炉滓粒子排出部等に磁気撰別機
を直接連結することにより、炉滓のハンドリングが簡素
化され、かつプロセスの運転条件を制御することにより
、小径でかつ均一な粒状物を得ることができるので磁気
撰別の効率が高くなる。(4) Converter slag generally contains 8 to 15% iron, up to 25%, but in the present invention, the handling of the slag is simplified by directly connecting the magnetic sorter to the slag particle discharge section, etc. By controlling the operating conditions of the process, small-diameter and uniform granules can be obtained, which increases the efficiency of magnetic sorting.
(5)向流冷却方式のため高レベルの廃熱を回収するこ
とができる。(5) A high level of waste heat can be recovered because of the countercurrent cooling system.
特に、本発明では、文略内に、横方向の軸心を有する複
数の回転体を、隣接する回転体が上下方向に関してラン
プするように、上下方向に対して傾斜する方向に列設し
て、強制回転せしめられた各回転体の上向き速度成分を
有する上面側に、溶融炉滓を落下させて細粒子するので
、溶融炉滓は回転体に対して自由落下速度以上の高い相
対速度で衝突すると共に、上段側の回転体との衝突では
充分細粒化されなかった溶融炉滓は下段側の回転体との
衝突により更に細粒化されるのであり、従って、細粒化
の効率が良いと共に、上記のように、回転体の上向き速
度成分を有する上面側に溶融炉滓を落下させるので、溶
融炉滓は回転体との衝突により、回転体から上記上向き
速度成分を付与されることとなって、その分冊空時間も
長くなり、溶融炉滓からの熱回収率が良い。In particular, in the present invention, a plurality of rotating bodies each having a horizontal axis are arranged in a row in a direction oblique to the vertical direction so that adjacent rotating bodies ramp in the vertical direction. Since the melting furnace slag is dropped onto the upper surface side of each rotating body that is forced to rotate and becomes fine particles, the melting furnace slag collides with the rotating body at a high relative speed higher than the free fall speed. At the same time, the melting furnace slag that was not sufficiently refined by the collision with the rotating body on the upper stage is further refined by collision with the rotating body on the lower stage, and therefore, the efficiency of grain refinement is high. At the same time, as mentioned above, since the melting furnace slag is dropped onto the upper surface side of the rotating body having an upward velocity component, the melting furnace slag will be given the above-mentioned upward velocity component by the rotating body due to the collision with the rotating body. As a result, the empty time between volumes becomes longer, and the heat recovery rate from the melting furnace slag is improved.
又、隣接する両回転体の対向部では、両回転体表面は相
互に逆向きの周速度を有し、その相対速度が犬であるこ
とから、回転体に溶融炉滓が付着した場合でも、隣接す
る両回転体に付着した溶融炉滓の層の厚さが、隣接する
両回転体の隙間以上になった際には、付着した溶融炉滓
は上記対向部で大きな剪断力を受けて、回転体から剥離
飛散せしめられるのであり、従って、回転体に付着した
溶融炉滓の所定以上の成長を、特段のスクレーパを用い
ることなく防止できる。In addition, in the opposing parts of both adjacent rotating bodies, the surfaces of both rotating bodies have circumferential velocities that are opposite to each other, and since the relative speed is constant, even if melting furnace slag adheres to the rotating bodies, When the thickness of the layer of melting furnace slag that has adhered to both adjacent rotating bodies exceeds the gap between both adjacent rotating bodies, the adhered melting furnace slag is subjected to a large shearing force at the opposing part, Therefore, the melting furnace slag attached to the rotating body can be prevented from growing beyond a predetermined level without using a special scraper.
第1図は本発明の方法を実施するための装置のフローシ
ート、第2図は他の実施例を示すフローシート、第3図
はさらに他の実施例を示すフローシート、第4図は細粒
化装置の一実施例を示す説明図、第5図および第6図は
第4図に示す細粒化装置に用いる多重回転体の縦断面図
、第7図および第8図は支持壁に冷却流体噴出口を設け
た細粒化装置の説明図、第9図は表面に多数の孔を有す
る多重回転体からなる細粒化装置の説明図、第10図お
よび第11図は第9図に示す多重回転体の縦断面図、第
12図は第9図に示す多重回転体を複数個有する細粒化
装置の説明図である。
1・・・・・・文略、2・・・・・・細粒化装置、3・
・・・・・仕切壁、4・・・・・・排出口、5・・・・
・・炉滓鍋、6・・・・・・送風機、7・・・・・・集
塵機、8・・・・・・熱交換器、9・・・・・・熱媒体
導管、10・・・・・・冷却気体パージ管、11・・・
・・・移動床、12・・・・・・固定室、13・・・・
・・回転キルン、14・・・・・・文略壁、15・・・
・・・溶融炉滓、16・・・・・・回転体、17・・・
・・・回転軸、18・・・・・・間隙、19・・・・・
・冷却流体噴出口、20・・・・・・孔。FIG. 1 is a flow sheet of an apparatus for implementing the method of the present invention, FIG. 2 is a flow sheet showing another embodiment, FIG. 3 is a flow sheet showing still another embodiment, and FIG. 4 is a detailed flow sheet. An explanatory diagram showing one embodiment of the granulating device, FIGS. 5 and 6 are longitudinal sectional views of the multiple rotating bodies used in the granulating device shown in FIG. 4, and FIGS. FIG. 9 is an explanatory diagram of a pulverizing device equipped with cooling fluid jets, FIG. FIG. 12 is an explanatory diagram of a grain refining device having a plurality of multiple rotors shown in FIG. 9. 1...Text omitted, 2...Particle refining device, 3.
...Partition wall, 4...Discharge port, 5...
... Furnace slag pot, 6 ... Blower, 7 ... Dust collector, 8 ... Heat exchanger, 9 ... Heat medium conduit, 10 ... ...Cooling gas purge pipe, 11...
...Moving floor, 12...Fixed room, 13...
・・Rotating kiln, 14・・Literary wall, 15・・・・
...Melting furnace slag, 16...Rotating body, 17...
...Rotating axis, 18...Gap, 19...
- Cooling fluid spout, 20... hole.
Claims (1)
を回収する方法において、立塔内に、横方向の軸心を有
する複数の回転体を、・隣接する回転体が上下方向に関
してラップするように、上下方向に対して傾斜する方向
に列設して、強制回転せしめられた各回転体の上向き速
度成分を有する上面側に溶融炉滓を落下させて細粒化す
ると共に、上記立塔等を有する循環ルートを冷却用流体
を循環させて、立塔内を強制的に上昇せしめられる冷却
用流体により、上記落下する溶融炉滓を冷却し、この冷
却により高温化された冷却用流体を防塵前又は該後に取
り出して熱交換による奪熱により熱を回収した後、上記
奪熱により冷却された冷却用流体を循環ルートにより立
塔内に給送することを特徴とする溶融炉滓より熱を回収
する方法。1 In a method of recovering the heat possessed by various types of melting furnace slag produced in the iron and steel manufacturing process, a plurality of rotating bodies each having a horizontal axis are arranged in a tower, and adjacent rotating bodies overlap in the vertical direction. As shown in FIG. The cooling fluid is forced to rise inside the tower by circulating a cooling fluid through a circulation route with a cooling fluid that cools the falling melting furnace slag, and the cooling fluid heated to a high temperature by this cooling is cooled. Heat from the melting furnace slag is characterized in that the cooling fluid cooled by the heat removal is fed into the tower through a circulation route after being taken out before or after dustproofing and recovering the heat by heat removal through heat exchange. How to recover.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8300175A JPS593677B2 (en) | 1975-07-03 | 1975-07-03 | You can't help it. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8300175A JPS593677B2 (en) | 1975-07-03 | 1975-07-03 | You can't help it. |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS526153A JPS526153A (en) | 1977-01-18 |
JPS593677B2 true JPS593677B2 (en) | 1984-01-25 |
Family
ID=13789994
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8300175A Expired JPS593677B2 (en) | 1975-07-03 | 1975-07-03 | You can't help it. |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS593677B2 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6194424A (en) * | 1984-10-15 | 1986-05-13 | Matsushita Electric Ind Co Ltd | Transmission controller of air conditioner |
JPS61125286A (en) * | 1984-11-21 | 1986-06-12 | Konishiroku Photo Ind Co Ltd | Radio receiving equipment of television signal |
JPS62127144U (en) * | 1986-01-31 | 1987-08-12 | ||
JPS62127143U (en) * | 1986-01-31 | 1987-08-12 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5358528A (en) * | 1976-11-09 | 1978-05-26 | Mitsui Shipbuilding Eng | Process and apparatus for granulation and heat recovery of slag |
JPS53118152U (en) * | 1977-02-28 | 1978-09-20 | ||
JPS53135900A (en) * | 1977-05-02 | 1978-11-27 | Mitsubishi Heavy Ind Ltd | Molten slag pulverizing and heat recovering apparatus |
JPS5469592A (en) * | 1977-11-15 | 1979-06-04 | Nippon Steel Corp | Heat recovering equipment for molten slag |
JPS55174221U (en) * | 1979-05-31 | 1980-12-13 | ||
JPS55174225U (en) * | 1979-05-31 | 1980-12-13 | ||
JPS56110880A (en) * | 1980-02-04 | 1981-09-02 | Ishikawajima Harima Heavy Ind | Metallurgical slag granulating sensible heat recovery device |
-
1975
- 1975-07-03 JP JP8300175A patent/JPS593677B2/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6194424A (en) * | 1984-10-15 | 1986-05-13 | Matsushita Electric Ind Co Ltd | Transmission controller of air conditioner |
JPS61125286A (en) * | 1984-11-21 | 1986-06-12 | Konishiroku Photo Ind Co Ltd | Radio receiving equipment of television signal |
JPS62127144U (en) * | 1986-01-31 | 1987-08-12 | ||
JPS62127143U (en) * | 1986-01-31 | 1987-08-12 |
Also Published As
Publication number | Publication date |
---|---|
JPS526153A (en) | 1977-01-18 |
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