JP2001116191A - Steam trap - Google Patents
Steam trapInfo
- Publication number
- JP2001116191A JP2001116191A JP29388899A JP29388899A JP2001116191A JP 2001116191 A JP2001116191 A JP 2001116191A JP 29388899 A JP29388899 A JP 29388899A JP 29388899 A JP29388899 A JP 29388899A JP 2001116191 A JP2001116191 A JP 2001116191A
- Authority
- JP
- Japan
- Prior art keywords
- valve
- outlet passage
- condensate
- outlet
- valve chamber
- 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.)
- Pending
Links
Landscapes
- Lift Valve (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、蒸気輸送管や蒸気
使用機器等の蒸気配管系に発生する復水を自動的に排出
するスチームトラップに関し、特に排出復水の高速流に
よる出口通路の浸食を防止できるようにしたものに関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a steam trap for automatically discharging condensed water generated in a steam piping system such as a steam transport pipe and a steam-using apparatus, and more particularly to erosion of an outlet passage caused by a high-speed flow of discharged condensed water. Related to what can be prevented.
【０００２】[0002]
【従来の技術】蒸気配管系においては復水の発生は不可
避であり、適宜発生した復水を系外に排出する必要があ
る。この復水を自動的に排出する装置がスチームトラッ
プと呼ばれる特殊なバルブである。2. Description of the Related Art In a steam piping system, the occurrence of condensate is inevitable, and it is necessary to discharge the condensate generated appropriately to the outside of the system. A device that automatically discharges this condensate is a special valve called a steam trap.
【０００３】スチームトラップは、弁部材の駆動原理に
よって、蒸気と復水の比重差を利用したメカニカルタイ
プ、蒸気と復水の熱力学的特性差を利用したサーモダイ
ナミックタイプ、蒸気と復水の温度差を利用したサーモ
スタチックタイプ等に分類されるが、その基本的構成
は、入口が上部に開口した弁室と、この弁室から隔てら
れ出口が上部に開口した出口通路とをケーシングに形成
し、弁室側端に弁孔が開口し出口通路側端に分岐孔が開
口した弁座部材を出口通路の下部に設けて弁室と出口通
路を連通し、弁孔を開閉する弁部材を弁室内に配置した
ものである。この一例が特開平１０−２４９１号公報に
示されている。[0003] The steam trap is of a mechanical type using a difference in specific gravity between steam and condensate, a thermodynamic type using a difference in thermodynamic characteristics between steam and condensate, and a temperature of steam and condensate according to the driving principle of a valve member. It is classified into a thermostatic type using the difference, etc., and its basic configuration is that a valve chamber with an inlet opening at the top and an outlet passage separated from this valve chamber and with an outlet opening at the top are formed in the casing. A valve member that opens and closes the valve hole by providing a valve seat member having a valve hole opened at the valve chamber side end and a branch hole opened at the outlet passage side end at a lower portion of the outlet passage to communicate the valve chamber and the outlet passage. It is arranged in the valve chamber. One example of this is disclosed in Japanese Patent Application Laid-Open No. Hei 10-2491.
【０００４】[0004]
【発明が解決しようとする課題】上記従来技術のスチー
ムトラップにおいては、開弁時に弁孔から分岐孔を通し
て出口通路側に排出される復水が出口通路の内壁を衝突
しながら高速に流下するために、出口通路の内壁が排出
復水によって浸食されると言う問題点があった。In the above-described conventional steam trap, the condensate discharged from the valve hole to the outlet passage through the branch hole at the time of valve opening flows down at a high speed while colliding with the inner wall of the outlet passage. In addition, there is a problem that the inner wall of the exit passage is eroded by the discharge condensate.
【０００５】従って、本発明の技術的課題は、出口通路
の浸食を防止できるスチームトラップを提供することで
ある。Accordingly, it is an object of the present invention to provide a steam trap which can prevent erosion of an outlet passage.
【０００６】[0006]
【課題を解決するための手段】上記の技術的課題を解決
するために講じた本発明の技術的手段は、入口が上部に
開口した弁室と、この弁室から隔てられ出口が上部に開
口した出口通路とをケーシングに形成し、弁室側端に弁
孔が開口し出口通路側端に分岐孔が開口した弁座部材を
出口通路の下部に設けて弁室と出口通路を連通し、弁孔
を開閉する弁部材を弁室内に配置したものにおいて、出
口通路の下方に復水溜まり部を連接し、弁座部材の分岐
孔を復水溜まり部に向けて開口したことを特徴とするス
チームトラップにある。Means for Solving the Problems The technical means of the present invention taken to solve the above technical problem is to provide a valve chamber having an inlet opened at an upper part, and an outlet separated from the valve chamber and having an outlet opened at an upper part. A valve seat member having a valve hole opened at the valve chamber side end and a branch hole opened at the outlet passage side end is provided at a lower portion of the outlet passage to communicate the valve chamber and the outlet passage, A steam trap, wherein a valve member for opening and closing a valve hole is arranged in a valve chamber, wherein a condensate reservoir is connected below an outlet passage, and a branch hole of a valve seat member is opened toward the condensate reservoir. It is in.
【０００７】[0007]
【発明の実施の形態】本発明は、出口通路の下方に復水
溜まり部を連接し、弁座部材の分岐孔を復水溜まり部に
向けて開口したものである。そのため、開弁時に弁孔か
ら分岐孔を通して出口通路側に排出される復水のエネル
ギーが復水溜まり部の復水に衝突することによって減衰
せしめられる。そのため、出口通路の浸食を防止するこ
とができる。DESCRIPTION OF THE PREFERRED EMBODIMENTS In the present invention, a condensate pool is connected below an outlet passage, and a branch hole of a valve seat member is opened toward the condensate pool. For this reason, the energy of the condensate discharged from the valve hole to the outlet passage side through the branch hole when the valve is opened collides with the condensate in the condensate pool, and is attenuated. Therefore, erosion of the outlet passage can be prevented.
【０００８】[0008]
【実施例】上記の技術的手段の具体例を示す実施例を説
明する（図１参照）。本実施例はフリーフロート式スチ
ームトラップに適用したものである。フリーフロート式
スチームトラップのケーシングは入口１と出口２と出口
通路３を有する本体４に蓋部材５を締結して形成し、内
部に弁室６を有する。入口１と出口２は本体４の上部に
同一軸上に開口し、入口４は弁室６の上部に連通し、出
口２は出口通路３の上部に連通する。弁室６と出口通路
３は本体４に一体に形成した隔壁７で隔てる。An embodiment showing a specific example of the above technical means will be described (see FIG. 1). This embodiment is applied to a free float steam trap. The casing of the free-float type steam trap is formed by fastening a lid member 5 to a main body 4 having an inlet 1, an outlet 2, and an outlet passage 3, and has a valve chamber 6 therein. The inlet 1 and the outlet 2 open coaxially at the upper part of the main body 4, the inlet 4 communicates with the upper part of the valve chamber 6, and the outlet 2 communicates with the upper part of the outlet passage 3. The valve chamber 6 and the outlet passage 3 are separated by a partition wall 7 formed integrally with the main body 4.
【０００９】弁室６側端に弁孔８が開口し出口通路３側
端に分岐孔９が開口した弁座部材１０を出口通路３の下
部に設け、弁室６と出口通路３を連通する。弁座部材１
０は隔壁７に気密保持用のシール部材１１を介して挿着
し、保持部材１２を介してプラグ１３で固定する。出口
通路６の下方に復水溜まり部１４を連接し、復水溜まり
部１４の底壁をプラグ１５で形成する。復水溜まり部１
４方向に弁座部材１０の分岐孔９を開口する。弁座部材
１０と保持部材１２とフラグ１５は耐浸食性を有するス
テンレス鋼で作る。A valve seat member 10 having a valve hole 8 opened at the end of the valve chamber 6 and a branch hole 9 opened at the end of the outlet passage 3 is provided below the outlet passage 3 to communicate the valve chamber 6 with the outlet passage 3. . Valve seat member 1
Numeral 0 is inserted into the partition 7 via a sealing member 11 for maintaining airtightness, and is fixed with a plug 13 via a holding member 12. A condensate pool 14 is connected below the outlet passage 6, and a bottom wall of the condensate pool 14 is formed by a plug 15. Condensate pool part 1
The branch holes 9 of the valve seat member 10 are opened in four directions. The valve seat member 10, the holding member 12 and the flag 15 are made of erosion resistant stainless steel.
【００１０】弁室６にステンレス鋼薄板で中空に作った
弁手段としての球形フロート１６を自由状態で収容す
る。球形フロート１６は外表面が弁座部材１０に直接離
着座して弁孔８を開閉する。弁室６の下端に球形フロー
ト１６が弁孔９を塞いだ位置で球形フロート１６を保持
するフロート座１７を形成する。A spherical float 16 as a valve means made of a stainless steel thin plate and hollow is accommodated in the valve chamber 6 in a free state. The outer surface of the spherical float 16 is directly attached to and detached from the valve seat member 10 to open and close the valve hole 8. At the lower end of the valve chamber 6, a float seat 17 for holding the spherical float 16 at a position where the spherical float 16 closes the valve hole 9 is formed.
【００１１】上記フリーフロート式スチームトラップの
作動は次の通りである。入口１は蒸気使用機器等の復水
発生個所に接続する。復水と蒸気が弁室６に流入し、復
水が下部に蒸気が上部に分離して溜まる。The operation of the above-mentioned free float steam trap is as follows. The inlet 1 is connected to a condensate generation point such as a device using steam. The condensate and steam flow into the valve chamber 6, and the condensate separates and the steam separates and accumulates in the upper part.
【００１２】球形フロート１６は弁室６内の液位に従っ
て浮上降下し、弁孔８を開閉する。弁孔８が開口される
と、弁室６の復水が弁孔８、分岐孔９、復水溜まり部１
４、出口通路３を通して出口２に排出される。このと
き、分岐孔９から復水溜まり部１４に排出される復水の
エネルギーが復水溜まり部１４の復水に衝突することに
よって減衰せしめられるので、出口通路３の浸食を防止
することができる。復水の排出によって弁室６内の液位
が低下すると、球形フロート１６は降下して弁孔８を閉
する。The spherical float 16 rises and falls according to the liquid level in the valve chamber 6, and opens and closes the valve hole 8. When the valve hole 8 is opened, the condensate in the valve chamber 6 is conveyed to the valve hole 8, the branch hole 9, the condensate pool 1
4. Discharged to the outlet 2 through the outlet passage 3. At this time, the energy of the condensate discharged from the branch hole 9 to the condensate reservoir 14 is attenuated by colliding with the condensate in the condensate reservoir 14, so that the erosion of the outlet passage 3 can be prevented. When the liquid level in the valve chamber 6 decreases due to the discharge of the condensate, the spherical float 16 descends and closes the valve hole 8.
【００１３】上記実施例ではフリーフロート式スチ―ム
トラップを例示したが、本発明はレバーフロート式やフ
リーバケット式やレバーバケット式あるいはディスク式
その他の型式のスチームトラップにも適用できるもので
ある。In the above embodiment, a free-float type steam trap has been exemplified, but the present invention can be applied to a lever-float type, a free bucket type, a lever bucket type, a disk type and other types of steam traps.
【００１４】[0014]
【発明の効果】上記のように本発明によれば、出口通路
の下方に復水溜まり部を連接し、弁座部材の分岐孔を復
水溜まり部に向けて開口させることにより、開弁時に弁
孔から分岐孔を通して出口通路側に排出される復水のエ
ネルギーが復水溜まり部の復水に衝突することによって
減衰せしめられ、出口通路の浸食を防止することができ
ると言う優れた効果を生じる。As described above, according to the present invention, the condensate pool is connected below the outlet passage, and the branch hole of the valve seat member is opened toward the condensate pool so that the valve hole is opened when the valve is opened. The energy of the condensate discharged to the outlet passage side through the branch hole is attenuated by colliding with the condensate in the condensate pool portion, and an excellent effect that erosion of the outlet passage can be prevented is produced.
【図面の簡単な説明】[Brief description of the drawings]
【図１】本発明のフリーフロート式スチ―ムトラップの
断面図である。FIG. 1 is a sectional view of a free-float type steam trap of the present invention.
１ 入口 ２ 出口 ３ 出口通路 ４ 本体 ５ 蓋部材 ６ 弁室 ８ 弁孔 ９ 分岐孔 １０ 弁座部材 １４ 復水溜まり部 １６ 球形フロート DESCRIPTION OF SYMBOLS 1 Inlet 2 Outlet 3 Outlet passage 4 Main body 5 Lid member 6 Valve chamber 8 Valve hole 9 Branch hole 10 Valve seat member 14 Condensate reservoir 16 Spherical float
Claims (1)
から隔てられ出口が上部に開口した出口通路とをケーシ
ングに形成し、弁室側端に弁孔が開口し出口通路側端に
分岐孔が開口した弁座部材を出口通路の下部に設けて弁
室と出口通路を連通し、弁孔を開閉する弁部材を弁室内
に配置したものにおいて、出口通路の下方に復水溜まり
部を連接し、弁座部材の分岐孔を復水溜まり部に向けて
開口したことを特徴とするスチームトラップ。1. A casing having a valve chamber having an inlet opened at an upper part and an outlet passage separated from the valve chamber and having an outlet opened at an upper part. A valve hole opens at a valve chamber side end and an outlet path side end. A valve seat member having a branch hole opened in the lower portion of the outlet passage to communicate the valve chamber with the outlet passage, and a valve member for opening and closing the valve hole is disposed in the valve chamber. And a branch hole of the valve seat member is opened toward the condensate reservoir.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29388899A JP2001116191A (en) | 1999-10-15 | 1999-10-15 | Steam trap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29388899A JP2001116191A (en) | 1999-10-15 | 1999-10-15 | Steam trap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001116191A true JP2001116191A (en) | 2001-04-27 |
Family
ID=17800461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29388899A Pending JP2001116191A (en) | 1999-10-15 | 1999-10-15 | Steam trap |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001116191A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006226324A (en) * | 2005-02-15 | 2006-08-31 | Tlv Co Ltd | Steam trap |
| JP2012087825A (en) * | 2010-10-15 | 2012-05-10 | Tlv Co Ltd | Float type steam trap |
| CN106051449A (en) * | 2016-07-22 | 2016-10-26 | 中国船舶重工集团公司第七〇九研究所 | Integrated draining device |
-
1999
- 1999-10-15 JP JP29388899A patent/JP2001116191A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006226324A (en) * | 2005-02-15 | 2006-08-31 | Tlv Co Ltd | Steam trap |
| JP2012087825A (en) * | 2010-10-15 | 2012-05-10 | Tlv Co Ltd | Float type steam trap |
| CN106051449A (en) * | 2016-07-22 | 2016-10-26 | 中国船舶重工集团公司第七〇九研究所 | Integrated draining device |
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