JP2688307B2 - Slide sealing device - Google Patents
Slide sealing deviceInfo
- Publication number
- JP2688307B2 JP2688307B2 JP19749592A JP19749592A JP2688307B2 JP 2688307 B2 JP2688307 B2 JP 2688307B2 JP 19749592 A JP19749592 A JP 19749592A JP 19749592 A JP19749592 A JP 19749592A JP 2688307 B2 JP2688307 B2 JP 2688307B2
- Authority
- JP
- Japan
- Prior art keywords
- valve
- pipe
- valve chamber
- chamber
- sliding
- 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 - Fee Related
Links
Landscapes
- Valve Housings (AREA)
- Lift Valve (AREA)
Description
【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION
【0001】[0001]
【産業上の利用分野】本発明は、高温の鉄鉱石粒や粉体
等のダストを含む流体が通過する弁室のスライドシール
装置の改良に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of a slide seal device for a valve chamber through which a fluid containing dust such as high temperature iron ore particles or powder passes.
【0002】[0002]
【従来の技術】従来のこの種の熱流体シール装置は、摂
氏900度以上の高温流体が通過する流体通過管内に開
閉弁を設け、該開閉弁を閉じることによって当該流体通
過管内から弁室内へ高温粉塵や気体が流入するのを止め
ていた。2. Description of the Related Art A conventional thermal fluid seal device of this type is provided with an opening / closing valve in a fluid passage pipe through which a high temperature fluid of 900 ° C. or higher passes, and by closing the opening / closing valve, the inside of the fluid passage pipe is moved into the valve chamber. It stopped the inflow of high temperature dust and gas.
【0003】[0003]
【発明が解決しようとする課題】しかし、上述のような
従来のスライドシール装置では、流体通過管内に設けた
開閉弁の弁体のシール面が高温によって損傷を受け易
く、寿命が極めて短く、また、シール状態を良好に保持
することが非常に困難であるという欠点があった。However, in the conventional slide seal device as described above, the sealing surface of the valve body of the on-off valve provided in the fluid passage pipe is easily damaged by high temperature, and the life is extremely short. However, there is a drawback that it is very difficult to maintain a good sealing condition.
【0004】本発明の目的は、従来のこのような欠点に
鑑み、シール面の高温による損傷を回避でき、寿命が長
く、良好なシール状態を長期間に亘って保持できるスラ
イドシール装置を提供することにある。In view of the above-mentioned conventional drawbacks, an object of the present invention is to provide a slide seal device capable of avoiding damage to the seal surface due to high temperature, having a long life, and maintaining a good seal state for a long period of time. Especially.
【0005】[0005]
【課題を解決するための手段】上記目的を達成するため
に、本発明の要旨とするところは、放熱性を有する壁面
からなる気密性弁室と、該弁室の略中央に配設され第1
の弁体を備えた弁室を二分割可能な隔壁と、前記弁室に
流体を導く導入管と、該導入管開口部を弁室の入口で遮
蔽可能な第2の弁体と、前記弁室から流体を排出する排
出管と、該排出管開口部を遮蔽可能に配設された第3の
弁体と、前記導入管の外周に摺動可能に挿嵌され、前記
弁室内で導入管開口部と排出管開口部を接続する摺動管
と、外摺動管を駆動する駆動機構を備えたことを特徴と
するスライドシール装置にあり、前記弁室は補助室を備
え、この補助室内へ摺動管を待避させるよう構成したこ
とにある。In order to achieve the above object, the gist of the present invention is to provide an airtight valve chamber formed of a wall surface having a heat radiation property, and to arrange the valve chamber approximately at the center of the valve chamber. 1
A partition wall capable of dividing the valve chamber into two parts, an introduction pipe for guiding a fluid to the valve chamber, a second valve body capable of shielding the opening of the introduction pipe at the inlet of the valve chamber, and the valve. A discharge pipe for discharging fluid from the chamber, a third valve body arranged so as to be able to shield the discharge pipe opening, and slidably fitted on the outer periphery of the introduction pipe, and the introduction pipe is provided in the valve chamber. A slide seal device comprising a sliding pipe connecting the opening and the discharge pipe opening and a drive mechanism for driving the outer sliding pipe, wherein the valve chamber includes an auxiliary chamber, It is configured to retract the sliding tube.
【0006】[0006]
【作用】本発明に係るスライドシール装置は、導入管か
らの輻射熱を第2の弁体で、排出管からの輻射熱を第3
の弁体で遮蔽すると共に、隔壁に設けた第1の弁体でガ
スを気密シールするので、第1の弁体が余熱で劣化する
のを防止して確実なシール状態が保持される。また、夫
々の弁体が高温流体に直接晒される事がないので、高温
で歪んだり、劣化することがない。In the slide seal device according to the present invention, the radiant heat from the introducing pipe is supplied to the second valve body and the radiant heat from the discharge pipe is supplied to the third valve body.
Since the gas is hermetically sealed by the first valve element provided on the partition wall while being shielded by the second valve element, deterioration of the first valve element due to residual heat is prevented and a reliable sealed state is maintained. Further, since each valve body is not directly exposed to the high temperature fluid, it is not distorted or deteriorated at a high temperature.
【0007】[0007]
【実施例】以下において、本発明の実施例につき、図面
を参照しつつ詳細に説明する。図1は本発明の実施例に
係るスライドシール装置の流体遮断状態を示す要部断面
図、図2は、本発明の実施例に係るスライドシール装置
の開成状態を示す要部断面図である。Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a sectional view of a main part showing a fluid cutoff state of a slide seal device according to an embodiment of the present invention, and FIG. 2 is a sectional view of a main part showing an open state of a slide seal device according to an embodiment of the present invention.
【0008】図中11は気密性を有した弁室であり、放
熱性を有する壁面10から構成されている。また、弁室
11は、略中央の隔壁13で2分割されており、この隔
壁13の中央開口部には第1の弁体12が開閉自在に配
設されている。弁室11は、上部板、下部板、両側板、
正面板及び背面板がいずれも断熱材を施してない放熱性
及び気密性を有する鋼鈑から構成されている。In the figure, reference numeral 11 denotes an airtight valve chamber, which is composed of a wall surface 10 having a heat radiation property. Further, the valve chamber 11 is divided into two parts by a partition wall 13 at a substantially central portion, and a first valve body 12 is arranged at a central opening portion of the partition wall 13 so as to be openable and closable. The valve chamber 11 includes an upper plate, a lower plate, both side plates,
Both the front plate and the back plate are made of a steel plate having no heat insulating material and having heat dissipation and airtightness.
【0009】弁室11には流体を導く導入管14の開口
部と、該導入管14を弁室11の入口で遮蔽可能な第2
の弁体15が開閉自在に配設されている。また、弁室1
1から流体を排出する排出管16の開口部と、該排出管
16を遮蔽可能に配設された第3の弁体17が開閉可能
に配設されている。An opening portion of an introduction pipe 14 for introducing a fluid into the valve chamber 11 and a second opening capable of blocking the introduction pipe 14 at the inlet of the valve chamber 11.
The valve body 15 is arranged to be openable and closable. Also, valve chamber 1
An opening portion of a discharge pipe 16 for discharging the fluid from 1 and a third valve body 17 arranged so as to shield the discharge pipe 16 are arranged to be openable and closable.
【0010】弁室11には、補助室20が接続されてお
り、前記導入管14は補助室20を貫通している。一
方、摺動管18は、エアシリンダ等から構成された駆動
機構19により補助室20内へ待避することができるよ
うにスライド自在に配設されている。また、駆動機構1
9により摺動管18を弁室11内へ延長した場合には、
前記摺動管18は導入管14の開口部と排出管16の開
口部とを接続し、流体は導入管14から排出管16へ摺
動管18を介して導かれ、弁室11内の温度上昇を防止
することができる。An auxiliary chamber 20 is connected to the valve chamber 11, and the introduction pipe 14 penetrates the auxiliary chamber 20. On the other hand, the sliding tube 18 is slidably arranged so that it can be retracted into the auxiliary chamber 20 by a drive mechanism 19 composed of an air cylinder or the like. Also, the driving mechanism 1
When the sliding tube 18 is extended into the valve chamber 11 by 9,
The sliding pipe 18 connects the opening of the introduction pipe 14 and the opening of the discharge pipe 16, and the fluid is guided from the introduction pipe 14 to the discharge pipe 16 through the sliding pipe 18, and the temperature inside the valve chamber 11 is increased. The rise can be prevented.
【0011】導入管14、摺動管18、排出管16の内
周面には、断熱材14a,18a,16aがライニング
されており、管路内の高熱が外部に漏れ難くなってい
る。また、図3に示す如く導入管14の外周の一部に
は、環状の突起27が立設されると共に、摺動管18の
後端内周には環状突起28が立設されている。したがっ
て、駆動機構19を延長した場合、突起27と突起28
が当接し、摺動管18の突出量を調整することができ
る。Thermal insulation materials 14a, 18a, 16a are lined on the inner peripheral surfaces of the introduction pipe 14, the sliding pipe 18, and the discharge pipe 16 so that high heat in the pipe line is unlikely to leak to the outside. Further, as shown in FIG. 3, an annular projection 27 is erected on a part of the outer circumference of the introduction tube 14, and an annular projection 28 is erected on the inner circumference of the rear end of the sliding tube 18. Therefore, when the drive mechanism 19 is extended, the protrusion 27 and the protrusion 28
Abut on each other, and the amount of protrusion of the sliding tube 18 can be adjusted.
【0012】また、第1の弁体12は、軸24を中心に
図外のエアシリンダで回動自在に支承されており、摺動
管18の伸長時には摺動管18の移動軌跡上から待避し
ており、摺動管18の収納時には弁座12aと当接して
弁室11を2分割する。The first valve body 12 is rotatably supported by an air cylinder (not shown) about a shaft 24. When the sliding pipe 18 is extended, it is retracted from the movement path of the sliding pipe 18. When the sliding tube 18 is stored, it abuts on the valve seat 12a to divide the valve chamber 11 into two parts.
【0013】第2の弁体15は、軸25を中心に図外の
エアシリンダで回動自在に支承されており、摺動管18
の伸長時には摺動管18の移動軌跡上から待避してお
り、摺動管18の収納時には弁座15aと当接し、弁室
11の入口部を閉成し、摺動管18を補助室20内に収
納する。The second valve body 15 is rotatably supported by an air cylinder (not shown) about a shaft 25, and a sliding pipe 18 is provided.
Is retracted from the movement path of the sliding tube 18 when the sliding tube 18 is extended, abuts the valve seat 15a when the sliding tube 18 is housed, closes the inlet of the valve chamber 11, and slides the sliding tube 18 into the auxiliary chamber 20. Store inside.
【0014】更に、第3の弁体17も前記第2の弁体1
5と同様に、軸26を中心に図外のエアシリンダで回動
自在に支承されており、摺動管18の伸長時には摺動管
18の移動軌跡上から待避しており、摺動管18の収納
時には弁座17aと当接し、排出管16の開口部を閉成
し弁室11の排出口を閉じる。Further, the third valve body 17 is also the second valve body 1
Similar to 5, the shaft 26 is rotatably supported by an air cylinder (not shown), and when the sliding pipe 18 extends, the sliding pipe 18 is retracted from the movement path of the sliding pipe 18. When it is stored, it contacts the valve seat 17a, closes the opening of the discharge pipe 16 and closes the discharge port of the valve chamber 11.
【0015】補助室20は、一部が弁室11内に開口し
ており、その開口部に導入管14が他端から貫通されて
いる。導入管14の外周に貫挿された摺動管18は、腕
22で駆動機構19であるエアシリンダの移動棒23に
連結されている。ここで、エアシリンダの移動棒23を
最大限延ばした時、摺動管18の先端部は排出管16の
開口部に当接し、最小限縮小した時、摺動管18の先端
部は導入管14の端部と略同位置にある。つまり、摺動
管18は、縮小時には完全に補助室20内に収納されて
しまう。A part of the auxiliary chamber 20 opens into the valve chamber 11, and the introduction pipe 14 penetrates through the opening from the other end. The sliding tube 18 inserted through the outer circumference of the introduction tube 14 is connected to the moving rod 23 of the air cylinder, which is the drive mechanism 19, by the arm 22. Here, when the moving rod 23 of the air cylinder is extended to the maximum extent, the tip portion of the sliding tube 18 comes into contact with the opening portion of the discharge pipe 16, and when it is contracted to the minimum, the tip portion of the sliding tube 18 is introduced to the introduction tube. It is substantially at the same position as the end of 14. That is, the sliding tube 18 is completely stored in the auxiliary chamber 20 when it is reduced.
【0016】次に以上のように構成されたスライドシー
ル装置の動作について説明する。先ず、スライドシール
装置を開成して高温流体を通過させる場合は、各弁体1
2,15,17を開き駆動機構19を操作して摺動管1
8を弁室11内へスライドさせて突出させる(図2参
照)。このように突出させて所定の位置にくると、導入
管14と排出管16は、摺動管18により直接接続され
ると共に、高温流体が断熱材を内張りした導入管14,
摺動管18,排出管16内を流れるので弁座15a,1
2a,17aは高温流体に直接晒されることもない。し
たがって、弁座が熱により劣化することもない。Next, the operation of the slide seal device configured as described above will be described. First, when the slide seal device is opened to allow passage of high temperature fluid, each valve element 1
2, 15 and 17 are opened and the driving mechanism 19 is operated to operate the sliding tube 1.
8 is slid into the valve chamber 11 to project (see FIG. 2). When projecting in this way and coming to a predetermined position, the introduction pipe 14 and the discharge pipe 16 are directly connected by the sliding pipe 18, and the introduction pipe 14 in which the high temperature fluid is lined with a heat insulating material,
Since it flows in the sliding pipe 18 and the discharge pipe 16, the valve seats 15a, 1
Neither 2a nor 17a is directly exposed to the high temperature fluid. Therefore, the valve seat does not deteriorate due to heat.
【0017】高温流体を遮断する場合について説明する
と、先ず導入管14の経路側に設けた図外のカット弁を
閉成し、高温粉体を止めると共に、駆動機構19を操作
する事により摺動管18を弁室11から補助室20へ移
動する。然る後、第2の弁体15、第1の弁体12、第
3の弁体17を夫々閉じる。Explaining the case of shutting off the high temperature fluid, first, a cut valve (not shown) provided on the path side of the introduction pipe 14 is closed to stop the high temperature powder and slide by operating the drive mechanism 19. The pipe 18 is moved from the valve chamber 11 to the auxiliary chamber 20. After that, the second valve body 15, the first valve body 12, and the third valve body 17 are closed.
【0018】この時、弁座12aは高温部材から離れた
位置にあるので、熱の影響を減少させる事ができる。特
に、第2の弁体15と弁座15aは、金属同士で熱ガス
を遮断すると共に、隔壁に設けられた弁座12aと第1
の弁体12部位に今まで高温流体に接していた部材が残
らないのでゴム、アスベスト等の材料を使用する事がで
きる。したがって、完全なシールができる。At this time, since the valve seat 12a is located away from the high temperature member, the influence of heat can be reduced. In particular, the second valve body 15 and the valve seat 15a block the hot gas between the metals and the valve seat 12a and the first valve seat 12a provided on the partition wall.
Since the member that has been in contact with the high temperature fluid does not remain in the valve body 12 part, the material such as rubber or asbestos can be used. Therefore, a perfect seal can be obtained.
【0019】本発明の上記実施例によれば、摺動管18
を補助室20に格納し第2の弁体15で覆うので、弁室
11内への熱伝達を効果的に防止することができ、と共
に第2の弁体15及び弁座15aが金属製なので、導入
管14、摺動管18から伝達される熱に対しても十分に
耐えることができるという利点がある。According to the above embodiment of the present invention, the sliding tube 18
Is stored in the auxiliary chamber 20 and covered with the second valve body 15, heat transfer to the inside of the valve chamber 11 can be effectively prevented, and the second valve body 15 and the valve seat 15a are made of metal. The advantage is that it can sufficiently withstand the heat transmitted from the introduction pipe 14 and the sliding pipe 18.
【0020】なお、本発明は、上記実施例によって限定
されるものではなく、駆動機構としてエアシリンダに代
えて油圧シリンダを用いてもよく、流体として粒体以外
に粉体を扱う場合にも適用でき、要旨から逸脱しない範
囲でその他種々の変形が可能である。The present invention is not limited to the above embodiment, and a hydraulic cylinder may be used as a drive mechanism instead of an air cylinder, and is also applied to the case of handling powder other than granules as fluid. Various modifications are possible without departing from the spirit of the invention.
【0021】[0021]
【発明の効果】以上説明したように、本発明は、放熱性
を有する壁面からなる気密性弁室と、該弁室の略中央に
配設され第1の弁体を備えた弁室を二分割可能な隔壁
と、前記弁室に流体を導く導入管と、該導入管開口部を
弁室の入口で遮蔽可能な第2の弁体と、前記弁室から流
体を排出する排出管と、該排出管開口部を遮蔽可能に配
設された第3の弁体と、前記導入管の外周に摺動可能に
挿嵌され、前記弁室内で導入管開口部と排出管開口部を
接続する摺動管と、該摺動管を駆動する駆動機構とを備
えたので、熱流体の遮断を確実に行う事ができる。ま
た、弁室の略中央に配設され第1の弁体を備えた隔壁部
まで熱が及ばないので確実なシール状態を長期間に亘っ
て保持できる。As described above, according to the present invention, there are provided an airtight valve chamber having a wall surface having a heat dissipation property and a valve chamber having a first valve body arranged substantially in the center of the valve chamber. A separable partition wall, an introduction pipe for guiding the fluid to the valve chamber, a second valve body capable of shielding the introduction pipe opening at the inlet of the valve chamber, and a discharge pipe for discharging the fluid from the valve chamber, A third valve body, which is arranged so as to shield the discharge pipe opening, and slidably fitted around the outer circumference of the introduction pipe, and connects the introduction pipe opening and the discharge pipe opening in the valve chamber. Since the slide tube and the drive mechanism for driving the slide tube are provided, it is possible to reliably shut off the thermal fluid. Further, since heat does not reach the partition wall portion provided at the substantially center of the valve chamber and provided with the first valve body, a reliable sealed state can be maintained for a long period of time.
【図1】本発明の実施例に係るスライドシール装置の流
体遮断状態を示す要部断面図である。FIG. 1 is a sectional view of essential parts showing a fluid cutoff state of a slide seal device according to an embodiment of the present invention.
【図2】本発明の実施例に係るスライドシール装置の開
成状態を示す要部断面図である。FIG. 2 is a cross-sectional view of essential parts showing an open state of the slide seal device according to the embodiment of the invention.
【図3】本発明の実施例に係るスライドシール装置の摺
動管部拡大断面図である。FIG. 3 is an enlarged cross-sectional view of a sliding tube portion of a slide seal device according to an embodiment of the present invention.
10 壁面 11 弁室 12 第1の弁体 12a 弁座 13 隔壁 14 導入管 15 第2の弁体 15a 弁座 16 排出管 17 第3の弁体 17a 弁座 18 摺動管 19 駆動機構 20 補助室 21 開口部 22 腕 23 移動棒 24,25,26 軸 27,28 環状突起 10 wall surface 11 valve chamber 12 first valve body 12a valve seat 13 partition wall 14 introduction pipe 15 second valve body 15a valve seat 16 discharge pipe 17 third valve body 17a valve seat 18 sliding pipe 19 drive mechanism 20 auxiliary chamber 21 Opening 22 Arm 23 Moving Rod 24, 25, 26 Shaft 27, 28 Annular Protrusion
Claims (2)
と、該弁室の略中央に配設された第1の弁体を備えた弁
室を二分割可能な隔壁と、前記弁室に流体を導く導入管
と、該導入管開口部を弁室の入口で遮蔽可能な第2の弁
体と、前記弁室から流体を排出する排出管と、該排出管
開口部を遮蔽可能に配設された第3の弁体と、前記導入
管の外周に摺動可能に挿嵌され、前記弁室内で導入管開
口部と排出管開口部を接続する摺動管と、該摺動管を駆
動する駆動機構とを備えたことを特徴とするスライドシ
ール装置。1. An airtight valve chamber formed of a wall surface having a heat dissipation property, a partition wall which is provided at a substantially central portion of the valve chamber, and is capable of dividing the valve chamber into two partitions, and the valve chamber. An inlet pipe for guiding fluid to the valve, a second valve body capable of shielding the inlet pipe opening at the inlet of the valve chamber, a discharge pipe for discharging the fluid from the valve chamber, and a shield for the discharge pipe opening. A disposed third valve body, a sliding pipe slidably fitted on the outer periphery of the introduction pipe and connecting the introduction pipe opening and the discharge pipe opening in the valve chamber, and the sliding pipe. And a drive mechanism for driving the slide seal device.
え、この補助室内へ摺動管を待避させるよう構成したこ
とを特徴とする請求項1記載のスライドシール装置。2. The slide seal device according to claim 1, wherein the valve chamber has an auxiliary chamber for accommodating the sliding pipe, and the sliding pipe is retracted into the auxiliary chamber.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19749592A JP2688307B2 (en) | 1992-07-02 | 1992-07-02 | Slide sealing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19749592A JP2688307B2 (en) | 1992-07-02 | 1992-07-02 | Slide sealing device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0617943A JPH0617943A (en) | 1994-01-25 |
JP2688307B2 true JP2688307B2 (en) | 1997-12-10 |
Family
ID=16375427
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19749592A Expired - Fee Related JP2688307B2 (en) | 1992-07-02 | 1992-07-02 | Slide sealing device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2688307B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4997361B2 (en) * | 2009-03-05 | 2012-08-08 | Smc株式会社 | Vacuum valve |
-
1992
- 1992-07-02 JP JP19749592A patent/JP2688307B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH0617943A (en) | 1994-01-25 |
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