JPS5819921B2 - Equipment that generates high pressure steam from molten slag - Google Patents
Equipment that generates high pressure steam from molten slagInfo
- Publication number
- JPS5819921B2 JPS5819921B2 JP52044542A JP4454277A JPS5819921B2 JP S5819921 B2 JPS5819921 B2 JP S5819921B2 JP 52044542 A JP52044542 A JP 52044542A JP 4454277 A JP4454277 A JP 4454277A JP S5819921 B2 JPS5819921 B2 JP S5819921B2
- Authority
- JP
- Japan
- Prior art keywords
- slag
- molten slag
- tube
- shell
- water
- 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
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Description
【発明の詳細な説明】
本発明は、溶鉱炉から排出される高温の溶融スラグから
、高圧の水蒸気を発生する装置に関する従来、溶鉱炉か
ら排出される溶融スラグは、水をかげて冷却した後に、
破砕して投棄するか、またはスラグの熱を気体に伝達し
て、通常のボイラでこの熱を回収するかしていた。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an apparatus for generating high-pressure steam from high-temperature molten slag discharged from a blast furnace.
Either the slag was crushed and dumped, or the heat from the slag was transferred to the gas and recovered in a conventional boiler.
前者の場合、溶融スラグのもっている大量のかエネルギ
は、大気中に放散されてしまうため省エネルギの点から
みて、極めて無駄であり、また、後者の場合、溶融スラ
グのもつ熱エネルギは回収されるもの〜それは、スラグ
→気体→ボイラと〜・う手順によるため、能率が悪く、
かつ、それには莫大な伝熱面を必要とするという欠点を
もっている。In the former case, the large amount of energy possessed by the molten slag is dissipated into the atmosphere, which is extremely wasteful from the point of view of energy saving; in the latter case, the thermal energy possessed by the molten slag is recovered. It is inefficient due to the sequence of slag → gas → boiler.
Moreover, it has the disadvantage of requiring a huge heat transfer surface.
本発明は、このような現状に鑑み、溶融スラグのもって
いる大量の熱エネルギを、小型で、能率のよい水蒸気発
生装置により、蒸気の状態で回収しようとするものであ
って、本発明は水蒸気発生用のボイラに、竪形のシェル
−チューブ式（５ｈｅｌｌ ａｎｄ ｔｕｂｅ ５ｔｙ
ｌｅ ）熱交換器形状のものを用い、そのチューブ内に
、上方から溶融スラグを自然落下させると共にチューブ
の外側に、被加熱水を下方から押送することにより、ボ
イラの上方から、水蒸気を取出すようにした溶融スラグ
により蒸気を発生するようにした点を特長とする。In view of the current situation, the present invention aims to recover a large amount of thermal energy contained in molten slag in the form of steam using a small and efficient steam generator. The boiler for generation is a vertical shell-tube type (5 hell and tube 5 type).
le) Using a heat exchanger shape, water vapor is extracted from above the boiler by allowing molten slag to fall naturally into the tube from above and pushing water to be heated from below to the outside of the tube. The feature is that steam is generated from the molten slag.
次に、図面により、本発明の一実施例を説明する。Next, one embodiment of the present invention will be described with reference to the drawings.
図において、７はボイラであって、複数のチューブ８と
これらを水密状に取囲むシェル１１とから成り立ち、各
チューブ８の上端は、スラグの貯槽２の底面に穿設した
小径のスラグ流下孔４に連っている。In the figure, a boiler 7 is composed of a plurality of tubes 8 and a shell 11 that surrounds them in a watertight manner. It is connected to 4.
またボイラ７の下端には水槽１２が設げられていて、各
チューブ８の下端は該水槽１２に開口する。Further, a water tank 12 is provided at the lower end of the boiler 7, and the lower end of each tube 8 opens into the water tank 12.
水槽１２内には、シェル１１と連通ずる給水予熱管１３
が設けられており、ボイラ給水は、ポンプ１４により、
該給水予熱管１３を介して、ボイラ７のシェル１１内に
供給される。Inside the water tank 12, there is a water supply preheating pipe 13 communicating with the shell 11.
is provided, and the boiler water is supplied by a pump 14.
The water is supplied into the shell 11 of the boiler 7 via the feed water preheating pipe 13.
一方、ボイラ７の上方には、蒸気取出管１６が、シェル
１１内に開口している。On the other hand, above the boiler 7, a steam extraction pipe 16 opens into the shell 11.
この装置において、溶融スラグ投入口１から貯槽２内に
供給される溶融状のスラグ３は、スラグ流下孔４から各
チューブ８内に紡糸５状となって落下する。In this device, molten slag 3 supplied into a storage tank 2 from a molten slag input port 1 falls into each tube 8 from a slag flow hole 4 in the form of a spun fiber 5.
スラグ流下孔４の直径は、チューブ８の直径より゛も小
さい寸法になっているため、流下孔４からチューブ８に
流入したスラグは、チューブ８の壁面には触れずに、チ
ューブ８内を自然落下する。Since the diameter of the slag flow hole 4 is smaller than the diameter of the tube 8, the slag flowing into the tube 8 from the flow hole 4 naturally flows inside the tube 8 without touching the wall surface of the tube 8. Fall.
そして、その自然落下中に溶融スラグは、平伏のスラグ
６になる。During the natural fall, the molten slag becomes a prostrate slag 6.
一方、スラグの保有している熱は、輻射や対流によって
、（第２図の矢印１０がチューブ８内での空気の対流状
態を示す）チューブ８に吸収され、それは、チューブ８
を通ってシ潟し内の水９に伝えられる。On the other hand, the heat held by the slag is absorbed into the tube 8 by radiation or convection (arrow 10 in FIG. 2 indicates the state of air convection within the tube 8);
It is transmitted to the water 9 in the lagoon through the water.
そして、平伏になって落下しなからスラグ６は、チュー
ブ８内を落下中に、その熱を放散するために冷却され、
水槽１２内に落下するときは、平伏のスラグは略々固化
されて、粒状となる。Then, the slag 6, which does not fall prostrate, is cooled while falling in the tube 8 in order to dissipate its heat.
When falling into the water tank 12, the prostrate slag is substantially solidified and becomes granular.
そして、水槽１２内の水１５を加熱し、この水を介して
、給水予熱管１３は加熱されることになる。Then, the water 15 in the water tank 12 is heated, and the water supply preheating pipe 13 is heated through this water.
一方、シェル１１内を、チューブ８の外壁に沿って上昇
する給水は、上昇するにしたがってチューブ８を介して
、スラグによって次第に加熱されてやがては蒸気となり
、蒸気取出管１６からバルブ１７を開（ことにより、取
出されることになる。On the other hand, the supply water rising inside the shell 11 along the outer wall of the tube 8 is gradually heated by the slag through the tube 8 as it rises, and eventually turns into steam, which opens the valve 17 from the steam extraction pipe 16 ( As a result, it will be taken out.
このように、本装置によればスラグ流下孔４の直径がチ
ューブ６の直径よりも小さいので、溶融スラグはまず紡
糸状５でチューブ６中を落下し、次。As described above, according to the present device, since the diameter of the slag flow hole 4 is smaller than the diameter of the tube 6, the molten slag first falls in the tube 6 in the form of a spun 5, and then falls through the tube 6.
いで平伏６になるため、スラグの放熱面積は飛躍的に増
加する。Since the slag has a flat position of 6, the heat dissipation area of the slag increases dramatically.
したがって、スラグの輻射による伝熱能率は大巾に増大
し、また、平伏（又は粒状）のスラグの流下時に、粒状
のスラグの周囲に発生する気体の渦１０が、伝熱能率を
増大するから１．′スラグがチューブ８内を落下中に、
スラグがチューブに直接接触しなくても、スラグからチ
ューブへの伝熱は、極めて効果的に行えることになる。Therefore, the heat transfer efficiency due to slag radiation increases greatly, and the gas vortex 10 generated around the granular slag when the flat (or granular) slag flows down increases the heat transfer efficiency. 1. 'While the slag is falling inside the tube 8,
Even if the slug does not come into direct contact with the tube, heat transfer from the slug to the tube can be carried out very effectively.
このようにして、スラグの熱は、チューブ８を介して給
水９に伝えられ、これを加熱して高圧蒸気を発生させる
と共に、スラグは、粒状となって、水槽に回収されるか
ら、水槽１２から取出した後のスラグの処理は、極めて
容易となる。In this way, the heat of the slag is transferred to the water supply 9 through the tube 8, which heats it to generate high-pressure steam.The slag is collected in the water tank in the form of particles, so the water tank 12 The treatment of the slag after it has been taken out is extremely easy.
従来は、固化したスラグを粒状に破砕するために別の装
置を用いていたが、本発明では、回収されたときにスラ
グは粒状となっているため、従来のようと破砕装置を必
要とせず、また、破砕装置作動用のエネルギを必要とし
ないから、それだけ省エネルギ化に役立つことになる。Conventionally, a separate device was used to crush solidified slag into granules, but with the present invention, since the slag is granular when collected, there is no need for a crushing device like in the past. Moreover, since no energy is required for operating the crushing device, this contributes to energy saving.
このように、本発明によれば、放出されていた溶融スラ
グのもつ熱エネルギを、蒸気の状態で回収することがで
きると共に、冷却したスラグの破砕用に、別にエネルギ
を必要としないため、本発明は省エネルギ化という観点
から、極めて有効な発明であるということができる。As described above, according to the present invention, the thermal energy of the released molten slag can be recovered in the form of steam, and no separate energy is required for crushing the cooled slag. The invention can be said to be extremely effective from the viewpoint of energy saving.
図は本発明の一実施例を示すもので、第１図は側断面図
、第２図は要部の拡大作動図である。
２・・・スラグの貯槽、４・・・流下孔、７・・・ボイ
ラ、８・・・チューブ、９・・・給水、１１・・・シェ
ル、１２・・・水槽、１３・・・給水予熱管、１４・・
・ポンプ、１６・・・蒸気取出管。The drawings show one embodiment of the present invention; FIG. 1 is a side sectional view, and FIG. 2 is an enlarged operational view of the main parts. 2... Slag storage tank, 4... Downstream hole, 7... Boiler, 8... Tube, 9... Water supply, 11... Shell, 12... Water tank, 13... Water supply Preheating tube, 14...
・Pump, 16...Steam extraction pipe.
Claims (1)
と、該シェルの下端に設けた水槽とからなり、前記シェ
ル内には前記スラグ貯槽から前記水槽に至る複数のチュ
ーブを設け、これらチューブの上端は、前記スラグ貯槽
の底面に穿設した、前記チューブの直径よりも小さい直
径を有する溶融スラグ流下孔と連通し、またこれらチュ
ーブの下端は前記水槽に開口し、一方、前記水槽内には
前記シェルに連通ずる給水予熱管を配設すると共に前記
シェルの上部に蒸気取出管を設けたことを特徴とする溶
融スラグから高圧蒸気を発生する装置1 Consisting of a molten slag storage tank, a shell extending downward from the storage tank, and a water tank provided at the lower end of the shell, a plurality of tubes extending from the slag storage tank to the water tank are provided within the shell, and the upper ends of these tubes are provided. communicate with molten slag flow holes drilled in the bottom of the slag storage tank and having a diameter smaller than the diameter of the tubes, and the lower ends of these tubes open into the water tank, while the An apparatus for generating high-pressure steam from molten slag, characterized in that a water supply preheating pipe communicating with the shell is provided, and a steam extraction pipe is provided in the upper part of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP52044542A JPS5819921B2 (en) | 1977-04-20 | 1977-04-20 | Equipment that generates high pressure steam from molten slag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP52044542A JPS5819921B2 (en) | 1977-04-20 | 1977-04-20 | Equipment that generates high pressure steam from molten slag |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS53129706A JPS53129706A (en) | 1978-11-13 |
| JPS5819921B2 true JPS5819921B2 (en) | 1983-04-20 |
Family
ID=12694386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP52044542A Expired JPS5819921B2 (en) | 1977-04-20 | 1977-04-20 | Equipment that generates high pressure steam from molten slag |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5819921B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104501606A (en) * | 2014-07-19 | 2015-04-08 | 王志凯 | Liquid-state furnace slag heat energy recovering device |
-
1977
- 1977-04-20 JP JP52044542A patent/JPS5819921B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS53129706A (en) | 1978-11-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3909077B2 (en) | Waste heat recovery equipment for heat generation furnace | |
| CN104359322B (en) | Heat-energy recovery system of high-temperature material and method of work thereof | |
| CN104048284B (en) | The method of high-temp solid heat recovery waste heat boiler and recovery waste heat | |
| CN101315183A (en) | Flue gas waste heat recovery system of metallurgy electric furnace | |
| CN210892746U (en) | Novel high-efficient waste heat power generation system of dry process grog production line | |
| CN108827005A (en) | A kind of sinter waste heat recycles perpendicular tank and boiler integrated apparatus | |
| JPS5819921B2 (en) | Equipment that generates high pressure steam from molten slag | |
| US3223860A (en) | Heat exchange system | |
| CN206094134U (en) | Boiler flue gas dust removal waste heat recovery device | |
| CN107500294A (en) | A kind of activated carbon production system | |
| CN210176804U (en) | Full waste boiler flow gasification system | |
| JPH11230517A (en) | Combustion treatment apparatus for waste | |
| JPS55102452A (en) | High temperature gas treatment device | |
| CN203923256U (en) | A kind of coal gas of converter cryogenic heat exchanger | |
| JPS587121B2 (en) | Equipment that generates high pressure steam from molten slag | |
| CN207540389U (en) | A kind of dyeing waste water waste-heat recovery device | |
| SU992453A1 (en) | Apparatus for granulating molten slag | |
| JPS6126334Y2 (en) | ||
| CN210921332U (en) | Small-sized waste heat boiler | |
| JPS6441778A (en) | Latent heat recovery apparatus | |
| CN106642156A (en) | Vertical garbage incineration afterheat recovery boiler | |
| JPS5798794A (en) | Method and device for recovering thermal energy from molten slag | |
| JPH10298560A (en) | Crude gas cooler | |
| CN2338613Y (en) | Low temp. rotary film type apparatus for deaeration of water | |
| CN206449618U (en) | A kind of efficient waste-heat boiler |