JPS604982Y2 - Water supply system for granulated slag manufacturing equipment - Google Patents
Water supply system for granulated slag manufacturing equipmentInfo
- Publication number
- JPS604982Y2 JPS604982Y2 JP1980167167U JP16716780U JPS604982Y2 JP S604982 Y2 JPS604982 Y2 JP S604982Y2 JP 1980167167 U JP1980167167 U JP 1980167167U JP 16716780 U JP16716780 U JP 16716780U JP S604982 Y2 JPS604982 Y2 JP S604982Y2
- Authority
- JP
- Japan
- Prior art keywords
- spray box
- slag
- granulated slag
- head tank
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/02—Physical or chemical treatment of slags
- C21B2400/022—Methods of cooling or quenching molten slag
- C21B2400/024—Methods of cooling or quenching molten slag with the direct use of steam or liquid coolants, e.g. water
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/05—Apparatus features
- C21B2400/062—Jet nozzles or pressurised fluids for cooling, fragmenting or atomising slag
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
Landscapes
- Glanulating (AREA)
- Manufacture Of Iron (AREA)
- Furnace Details (AREA)
Description
【考案の詳細な説明】 本考案は水砕スラグ製造設備の給水装置に関する。[Detailed explanation of the idea] The present invention relates to a water supply device for granulated slag manufacturing equipment.
水砕スラグ製造設備においては、高炉などから出滓樋を
介して流出してきた溶滓に対してスプレーボックスから
高圧水を噴射して溶滓を急冷微粒化し、これによって形
成された水砕スラグスラリーを水砕樋を介して攪拌槽内
に送り込み、さらに脱水機により脱水し、その脱水され
たスラグをホッパー内に投入するものである。In granulated slag manufacturing equipment, high-pressure water is injected from a spray box to the molten slag flowing out from a blast furnace through a slag gutter to rapidly cool and atomize the slag, thereby forming a granulated slag slurry. The slag is fed into a stirring tank via a water crushing gutter, dehydrated by a dehydrator, and the dehydrated slag is placed into a hopper.
ところで従来の構成であると、ポンプによりスプレーボ
ックス内に直接、高圧水を供給しているため、停電時な
どの非常時には、上記ポンプの作動が停止し、スプレー
ボックスからの高圧水の噴射が停止させられ、出滓樋が
切替えられるまでの間、溶滓が直接、水砕樋上に落下す
るものである。By the way, in the conventional configuration, a pump supplies high-pressure water directly into the spray box, so in an emergency such as a power outage, the pump stops operating and the high-pressure water jetting from the spray box stops. The slag falls directly onto the granulating gutter until the slag tap is switched.
このため従来の水砕樋では、その落下した溶滓が当該水
砕樋に固着し、この水砕樋の機能を破損させ、また溶滓
が攪拌槽内に流れ込んで爆発する危険もある。For this reason, in the conventional granulating gutter, the fallen molten sludge sticks to the granulating gutter and damages the function of the granulating gutter, and there is also a risk that the molten sludge may flow into the stirring tank and cause an explosion.
そこで常時高圧（３〜４ｋｏ／Ｃｆｔ）の高圧配管を緊
急用として配設することが考えられるが、この構成では
、高価になると共にその切替時に高圧水の噴射条件が変
化するため水砕スラグの品質が悪化するおそれがある。Therefore, it is conceivable to install high-pressure piping that is always at high pressure (3 to 4 ko/Cft) for emergency use, but this configuration is expensive and the high-pressure water injection conditions change when switching, so the granulated slag Quality may deteriorate.
本考案はかかる問題点を解消した給水装置を提供するも
のである。The present invention provides a water supply device that solves these problems.
以下、本考案の一実施例を図に基づいて説明する。Hereinafter, one embodiment of the present invention will be described based on the drawings.
１は水砕樋、２はスプレーボックス、３は該スプレーボ
ックス２よりも高所（たとえば１０？７Ｌ以上上方）に
配設されたヘッドタンクであって、通常は高炉に付設さ
れている。1 is a granulation gutter, 2 is a spray box, and 3 is a head tank disposed higher than the spray box 2 (for example, 10 to 7 L or more above), and is usually attached to a blast furnace.
４は該ヘッドタンク３に付設されたオーバフロ一部、５
はヘッドタンク３内に配管６を介して給水するポンプ、
７は上記オーバフロ一部４とスプレーボックス２とをつ
なぐ主配管、８はヘッドタンク３の底部と主配管７を介
してスプレーボックス２とをつなぐ補助配管、９は該補
助配管８に設けられたエヤ作動弁であって、弁本体１０
と、該弁本体１０を開閉動作させるエアシリンダ１１と
、該エアシリンダ１１のピストンｌｌａを往復移動させ
る４ポ一ト２位置のソレノイド１２付き切換弁１３と、
空気源１４とを重味常時は図に示すごとく切換弁１３が
ソレノイド１２の励磁により■位置にあり、空気源１４
のエアによりピストンｌｌａが矢印Ａ方向へ押圧されて
弁閉鎖状態となっている。4 is a part of the overflow attached to the head tank 3; 5
is a pump that supplies water into the head tank 3 via piping 6;
7 is a main pipe connecting the overflow part 4 and the spray box 2, 8 is an auxiliary pipe connecting the bottom of the head tank 3 and the spray box 2 via the main pipe 7, and 9 is provided in the auxiliary pipe 8. An air-operated valve, the valve body 10
, an air cylinder 11 that opens and closes the valve body 10, a switching valve 13 with a solenoid 12 with 4 points and 2 positions that reciprocates the piston lla of the air cylinder 11,
As shown in the figure, the switching valve 13 is in position ■ due to the excitation of the solenoid 12, and the air source 14 is
The piston lla is pressed in the direction of arrow A by the air, and the valve is in the closed state.
上記構成において、ポンプ５の作動によりヘツドタンク
３内に給水され、該ヘッドタンク３内の水はオーバフロ
ーしてオーバフロ一部４内に入り、主配管７を介してス
プレーボックス２内に供給される。In the above configuration, water is supplied into the head tank 3 by the operation of the pump 5, and the water in the head tank 3 overflows into the overflow part 4 and is supplied into the spray box 2 via the main pipe 7.
一方、高炉などから出滓樋（図示せず）を介して矢印イ
方向へ溶滓が流出し、その溶滓に対して上記スプレーボ
ックス２から高圧水が噴射され、溶滓が急冷微粒化され
るものである。On the other hand, molten slag flows out from a blast furnace or the like in the direction of arrow A through a slag gutter (not shown), and high-pressure water is sprayed onto the slag from the spray box 2 to rapidly cool and atomize the slag. It is something that
これによって形成された水砕スラグスラリーは水砕樋１
を介して攪拌槽（図示せず）内に送り込まれるものであ
る。The granulated slag slurry thus formed is transferred to the granulated slag 1
The liquid is fed into a stirring tank (not shown) through the .
かかる状態において、たとえば停電した場合には、ポン
プ５の作動が停止させられるので、ヘッドタンク３内へ
の給水が停止され、オーバフロ一部４より主配管７を介
してスプレーボックス２内に給水されなくなるが、停電
と同時にソレノイド１２の励磁も解除され、切換弁１３
がＩ位置に切換えられ、空気源１４のエアによりピスト
ン１１ａが矢印Ｂ方向へ移動させられ、弁本体１０が開
放される。In such a state, for example, in the event of a power outage, the operation of the pump 5 is stopped, so water supply to the head tank 3 is stopped, and water is supplied from the overflow part 4 to the spray box 2 via the main pipe 7. However, the excitation of the solenoid 12 is also canceled at the same time as the power outage, and the switching valve 13
is switched to the I position, the piston 11a is moved in the direction of arrow B by the air from the air source 14, and the valve body 10 is opened.
これによってヘッドタンク３内の水が補助配管８を介し
てスプレーボックス２内に供給され、該スプレーボック
ス２から溶滓に向けて高圧水が噴射され、出滓樋が切換
えられるまでの間、溶滓が直接、水砕樋１上に落下する
のを防止し、正常状態と同じ状態で、水砕スラグを製造
するものである。As a result, water in the head tank 3 is supplied into the spray box 2 via the auxiliary piping 8, and high-pressure water is injected from the spray box 2 toward the slag. The slag is prevented from falling directly onto the granulated slag 1, and granulated slag is produced in the same state as normal.
以上述べたごとく本考案の水砕スラグ製造設備の給水装
置によれば、スプレーボックスよりも上方適所にヘッド
タンクを配設し、該ヘッドタンクからのオーバフロー水
を上記スプレーボックス内に供給するための主配管を設
け、上記ヘッドタンクの下部とスプレーボックスとをつ
なぐ補助配管を設け、該補助配管に常時はこの補助配管
を閉鎖する開閉弁を設けであるから、停電時などの非常
時には、オーバフロー水が無くなるが、上記開閉弁を開
放することによって、ヘッドタンク内の水が補助配管を
介してスプレーボックス内に供給され、該スプレーボッ
クスから溶滓に向けて高圧水が噴射される。As described above, according to the water supply device for granulated slag manufacturing equipment of the present invention, a head tank is disposed at a suitable location above the spray box, and overflow water from the head tank is supplied into the spray box. A main pipe is provided, and an auxiliary pipe is provided that connects the lower part of the head tank and the spray box.The auxiliary pipe is equipped with an on-off valve that normally closes the auxiliary pipe, so in the event of an emergency such as a power outage, overflow water will be removed. However, by opening the on-off valve, water in the head tank is supplied into the spray box via the auxiliary piping, and high-pressure water is sprayed from the spray box toward the slag.
したがって非常時発生から出滓樋が切換えられるまでの
間、溶滓が直接、水砕樋上に落下するのを防止し、正常
状態と同じ状態で、水砕スラグを製造することができる
ものである。Therefore, from the occurrence of an emergency until the slag tap is switched, slag is prevented from falling directly onto the granulated slag, and granulated slag can be produced under the same conditions as normal. .
またこのとき、主配管を流れる水も補助配管を流れる水
も、ともにほぼ同一水圧となるから、その切替えをおこ
なっても噴射条件がほとんど変化せず、水砕スラグの品
質を良好に保持することができるものである。In addition, at this time, the water flowing through the main pipe and the water flowing through the auxiliary pipe both have approximately the same water pressure, so even if they are switched, the injection conditions will hardly change and the quality of the granulated slag will be maintained at a good level. It is something that can be done.
さらに従来の高圧配管を緊急用として配設する場合に比
べて経済性においても優れているものである。Furthermore, it is more economical than the case where conventional high-pressure piping is installed for emergency use.
図は本考案の一実施例を示す概略縦断面図である。
１・・・・・・水砕樋、２・・・・・・スプレーボック
ス、３・・・・・・ヘッドタンク、４・・・・・・オー
バフロ一部、５・・・・・・ポンプ、７・・・・・・主
配管、８・・・・・・補助配管、９・・・・・・エア作
動弁（開閉弁）、１０・・・・・・弁本体、１１・・・
・・・エアシリンダ、１２・・・・・・ソレノイド、１
３・・・・・・切換弁、１４・・・・・・空気源。The figure is a schematic vertical sectional view showing an embodiment of the present invention. 1... Granulation gutter, 2... Spray box, 3... Head tank, 4... Part of overflow, 5... Pump , 7... Main piping, 8... Auxiliary piping, 9... Air operated valve (on/off valve), 10... Valve body, 11...
...Air cylinder, 12...Solenoid, 1
3...Switching valve, 14...Air source.
Claims (1)
該ヘッドタンクからのオーバフロー水ヲ上記スプレーボ
ックス内に供給するための主配管を設け、上記ヘッドタ
ンクの下部とスプレーボックスとをつなぐ補助配管を設
け、該補助配管に常時はこの補助配管を閉鎖する開閉弁
を設けたことを特徴とする水砕スラグ製造設備の給水装
置。The head tank is located higher than the spray box,
A main pipe is provided to supply overflow water from the head tank into the spray box, and an auxiliary pipe is provided to connect the lower part of the head tank and the spray box, and the auxiliary pipe is always closed. A water supply device for granulated slag manufacturing equipment, characterized by being equipped with an on-off valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1980167167U JPS604982Y2 (en) | 1980-11-20 | 1980-11-20 | Water supply system for granulated slag manufacturing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1980167167U JPS604982Y2 (en) | 1980-11-20 | 1980-11-20 | Water supply system for granulated slag manufacturing equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5792733U JPS5792733U (en) | 1982-06-08 |
| JPS604982Y2 true JPS604982Y2 (en) | 1985-02-15 |
Family
ID=29525814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1980167167U Expired JPS604982Y2 (en) | 1980-11-20 | 1980-11-20 | Water supply system for granulated slag manufacturing equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS604982Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5478340B2 (en) * | 2010-04-12 | 2014-04-23 | 株式会社Ｉｈｉ | Mist cooling device and heat treatment device |
-
1980
- 1980-11-20 JP JP1980167167U patent/JPS604982Y2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5792733U (en) | 1982-06-08 |
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