JP2001027393A - Orifice type steam trap - Google Patents
Orifice type steam trapInfo
- Publication number
- JP2001027393A JP2001027393A JP11200302A JP20030299A JP2001027393A JP 2001027393 A JP2001027393 A JP 2001027393A JP 11200302 A JP11200302 A JP 11200302A JP 20030299 A JP20030299 A JP 20030299A JP 2001027393 A JP2001027393 A JP 2001027393A
- Authority
- JP
- Japan
- Prior art keywords
- orifice
- valve
- valve body
- valve seat
- steam trap
- 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
- Details Of Valves (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蒸気の凝縮水として
の復水を、自動的に外部に排出するスチームトラップに
関し、特に、常時開孔している小径のオリフィスから復
水を排出するオリフィス式スチームトラップに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a steam trap for automatically discharging condensed water of steam generated in a steam piping system of a steam transport pipe, a steam-using device, or the like to the outside, and more particularly, to a steam trap which constantly operates. The present invention relates to an orifice type steam trap for discharging condensate from a small-diameter orifice having an opening.
【０００２】[0002]
【従来の技術】従来のオリフィス式スチームトラップと
しては、例えば、特開平１０−１７６７９０号公報に示
されているものが用いられていた。これは、弁室５内に
円板状の弁体１１を配置して、この弁体１１をコイルば
ね１２により弁座部１０から離座する方向に付勢すると
共に、弁座部１０の下端に入口３と出口４を連通するオ
リフィス１３を設けたもので、流体圧力が低い場合に
は、弁体１１がコイルばね１２のばね力によって弁座部
１０から離座して大きな弁口を開口することにより、多
量の復水を滞留することなく排出することができるもの
である。2. Description of the Related Art As a conventional orifice type steam trap, for example, the one disclosed in Japanese Patent Application Laid-Open No. Hei 10-176790 has been used. This means that a disc-shaped valve element 11 is arranged in the valve chamber 5, the valve element 11 is urged by a coil spring 12 in a direction away from the valve seat 10, and the lower end of the valve seat 10 is Is provided with an orifice 13 communicating the inlet 3 and the outlet 4. When the fluid pressure is low, the valve body 11 is separated from the valve seat 10 by the spring force of the coil spring 12 to open a large valve port. By doing so, a large amount of condensate can be discharged without stagnation.
【０００３】[0003]
【発明が解決しようとする課題】上記従来のオリフィス
式スチームトラップでは、流体中に含まれる錆やゴミ等
の異物が小径のオリフィスに詰まってしまい、最悪の場
合は全く復水を排出できなくなってしまう問題があっ
た。通常、オリフィス式スチームトラップの入口側に
は、流体中の異物を濾し取るメッシュ状のスクリーンが
取り付けられるのであるが、このスクリーンを通過して
しまう微小なゴミやあるいは繊維状の異物がオリフィス
内に付着堆積するためである。In the above-mentioned conventional orifice type steam trap, foreign matters such as rust and dust contained in the fluid are clogged in the small-diameter orifice, and in the worst case, condensate cannot be discharged at all. There was a problem. Normally, a mesh screen that filters out foreign substances in the fluid is attached to the inlet side of the orifice type steam trap. This is because of adhesion and deposition.
【０００４】従って本発明の課題は、多量の低圧復水を
確実に排出することができるものにおいて、オリフィス
部の異物による詰りを確実に防止することのできるオリ
フィス式スチームトラップを提供することにある。Accordingly, an object of the present invention is to provide an orifice type steam trap which can reliably discharge a large amount of low pressure condensate and which can surely prevent clogging of an orifice portion by foreign matter. .
【０００５】[0005]
【課題を解決するための手段】上記の課題を解決するた
めに講じた本発明の手段は、トラップケーシングに入口
と弁室と出口を順次形成して、当該弁室内に入口側と出
口側を区画する弁座部とオリフィスを配置して、当該弁
座部に対向して変位可能に弁体を配置し、当該弁体を弁
座部から離座する方向に付勢する弾性部材を取り付けた
ものにおいて、オリフィスを弁体のほぼ中央部に設ける
と共に、当該弁体のオリフィス内を貫通する掃除棒を設
けたものである。In order to solve the above-mentioned problems, the means of the present invention is to form an inlet, a valve chamber, and an outlet in a trap casing in order, and to form an inlet and an outlet in the valve chamber. A valve seat portion and an orifice to be partitioned are arranged, a valve body is arranged so as to be displaceable in opposition to the valve seat portion, and an elastic member for biasing the valve body in a direction away from the valve seat portion is attached. In this apparatus, an orifice is provided substantially at the center of a valve body, and a cleaning rod penetrating through the orifice of the valve body is provided.
【０００６】[0006]
【発明の実施の形態】弁体のほぼ中央部にオリフィスを
設けて、このオリフィス内を貫通する掃除棒を設けたこ
とにより、弁体が流体圧力に応じて変位すると掃除棒も
オリフィス内を貫通変位して、オリフィス内に付着して
いるゴミ等の異物を除去することができる。DESCRIPTION OF THE PREFERRED EMBODIMENTS An orifice is provided substantially at the center of a valve body, and a cleaning rod penetrating through the orifice is provided. When the valve element is displaced according to fluid pressure, the cleaning rod also passes through the orifice. Displacement can remove foreign matter such as dust attached to the orifice.
【０００７】[0007]
【実施例】図1において、略円筒状の入口部材１と出口
部材２でトラップケーシングを形成し、それぞれ入口３
と弁室４と出口５を形成し、弁室４内にオリフィス８を
形成した弁体６と掃除棒７を配置してオリフィス式スチ
ームトラップを構成する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In FIG.
, A valve chamber 4 and an outlet 5, and a valve body 6 having an orifice 8 formed therein and a cleaning rod 7 are arranged in the valve chamber 4 to constitute an orifice type steam trap.
【０００８】入口３から弁室４に至る間に、通過する流
体中に混入しているゴミ等の異物を濾し取る筒状のスク
リーン９を、保持部材１０を介して取り付ける。保持部
材１０には複数の貫通孔１１を設けて、入口３と弁室４
を連通する。出口部材２の左端部にリング状の弁座１２
を一体に設ける。Between the inlet 3 and the valve chamber 4, a cylindrical screen 9 for filtering foreign substances such as dust mixed in the passing fluid is attached via a holding member 10. The holding member 10 is provided with a plurality of through holes 11 so that the inlet 3 and the valve chamber 4
To communicate. A ring-shaped valve seat 12 is provided at the left end of the outlet member 2.
Are provided integrally.
【０００９】弁座１２に対向する位置に略円板状の弁体
６を、弾性部材としてのコイルばね１３を介して配置す
る。コイルばね１３は圧縮コイルばねで、弁体６を弁座
１２から離座する方向に付勢する。図１に示す状態は、
コイルばね１３の弾性力に抗して、弁体６が入口３から
の流体圧力によって押し下げられて、弁座１２に着座し
た状態を示す。弁座１２の中央には弁体６で開閉される
弁口１４を設ける。A substantially disk-shaped valve element 6 is disposed at a position facing the valve seat 12 via a coil spring 13 as an elastic member. The coil spring 13 is a compression coil spring and urges the valve body 6 in a direction away from the valve seat 12. The state shown in FIG.
The valve body 6 is pushed down by the fluid pressure from the inlet 3 against the elastic force of the coil spring 13 and is seated on the valve seat 12. In the center of the valve seat 12, a valve port 14 opened and closed by the valve body 6 is provided.
【００１０】弁体６のほぼ中央部に弁体６を貫通したオ
リフィス８を形成して、その内部に掃除棒７を摺動自在
に取り付ける。掃除棒７の左端部を保持部材１０の中心
部に圧入して取り付ける。掃除棒７は移動することがな
く、弁体６が入口３からの流体圧力によって左右に変位
することにより、掃除棒７がオリフィス８内を相対的に
変位することによってオリフィス８内に付着したゴミ等
の異物を取り除くものである。An orifice 8 penetrating the valve body 6 is formed substantially at the center of the valve body 6, and a cleaning rod 7 is slidably mounted therein. The left end of the cleaning rod 7 is pressed into the center of the holding member 10 and attached. The cleaning rod 7 does not move, and the valve body 6 is displaced to the left and right by the fluid pressure from the inlet 3, and the cleaning rod 7 is relatively displaced in the orifice 8, and the dust adhered to the orifice 8. And other foreign matter.
【００１１】弁室４内へ流入してくる復水を含む流体の
圧力が低圧の場合は、弁体６はコイルばね１３の弾性力
により保持部材１０側へ変位して、弁座１２の弁口１４
が全開することにより、多量の低圧復水を出口５から外
部へ排出することができ、同時にオリフィス８内のクリ
ーニングを掃除棒７で行なうことができる。When the pressure of the fluid containing condensate flowing into the valve chamber 4 is low, the valve 6 is displaced toward the holding member 10 by the elastic force of the coil spring 13, and the valve of the valve seat 12 is closed. Mouth 14
Is fully opened, a large amount of low-pressure condensate can be discharged from the outlet 5 to the outside.
【００１２】低圧復水が排出されて弁室４内へ流入する
復水の圧力が所定圧力まで上昇すると、図１に示すよう
に、弁体６が弁座１２に着座して、弁口１４を閉口する
ことにより、断面積の小さなオリフィス８だけが貫通状
態となり、蒸気の外部への漏洩を少なくするものであ
る。When the low pressure condensate is discharged and the condensate pressure flowing into the valve chamber 4 rises to a predetermined pressure, the valve element 6 is seated on the valve seat 12 as shown in FIG. By closing the orifice, only the orifice 8 having a small cross-sectional area enters a penetrating state, thereby reducing leakage of steam to the outside.
【００１３】[0013]
【発明の効果】上記のように本発明によれば、変位可能
な弁体に設けたオリフィス内に掃除棒を取り付けたこと
により、オリフィス部の異物による詰りを確実に防止す
ることができる。As described above, according to the present invention, since the cleaning rod is mounted in the orifice provided in the displaceable valve body, clogging of the orifice portion by foreign matter can be reliably prevented.
【図１】本発明のオリフィス式スチームトラップの実施
例を示す断面図。FIG. 1 is a sectional view showing an embodiment of an orifice type steam trap according to the present invention.
１ 入口部材 ２ 出口部材 ３ 入口 ４ 弁室 ５ 出口 ６ 弁体 ７ 掃除棒 ８ オリフィス １２ 弁座 １３ コイルばね １４ 弁口 DESCRIPTION OF SYMBOLS 1 Inlet member 2 Outlet member 3 Inlet 4 Valve room 5 Outlet 6 Valve body 7 Cleaning rod 8 Orifice 12 Valve seat 13 Coil spring 14 Valve port
Claims (1)
を順次形成して、当該弁室内に入口側と出口側を区画す
る弁座部とオリフィスを配置して、当該弁座部に対向し
て変位可能に弁体を配置し、当該弁体を弁座部から離座
する方向に付勢する弾性部材を取り付けたものにおい
て、オリフィスを弁体のほぼ中央部に設けると共に、当
該弁体のオリフィス内を貫通する掃除棒を設けたことを
特徴とするオリフィス式スチームトラップ。1. An inlet, a valve chamber, and an outlet are sequentially formed in a trap casing, and a valve seat and an orifice for partitioning an inlet side and an outlet are arranged in the valve chamber, and are opposed to the valve seat. An orifice is provided at a substantially central portion of a valve body in which a valve body is displaceably disposed and an elastic member for urging the valve body away from a valve seat is attached. An orifice type steam trap provided with a cleaning rod penetrating the inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11200302A JP2001027393A (en) | 1999-07-14 | 1999-07-14 | Orifice type steam trap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11200302A JP2001027393A (en) | 1999-07-14 | 1999-07-14 | Orifice type steam trap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001027393A true JP2001027393A (en) | 2001-01-30 |
Family
ID=16422065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11200302A Pending JP2001027393A (en) | 1999-07-14 | 1999-07-14 | Orifice type steam trap |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001027393A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002005389A (en) * | 2000-06-19 | 2002-01-09 | Tlv Co Ltd | Orifice type steam trap |
| JP2010249234A (en) * | 2009-04-15 | 2010-11-04 | Tlv Co Ltd | Lever float type drain trap |
| JP2011085202A (en) * | 2009-10-15 | 2011-04-28 | Tlv Co Ltd | Lever float type drain trap |
| JP2011190891A (en) * | 2010-03-15 | 2011-09-29 | Tlv Co Ltd | Lever float type drain trap |
| WO2017051704A1 (en) * | 2015-09-25 | 2017-03-30 | 株式会社テイエルブイ | Orifice-type drain discharge mechanism and drain discharge system |
-
1999
- 1999-07-14 JP JP11200302A patent/JP2001027393A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002005389A (en) * | 2000-06-19 | 2002-01-09 | Tlv Co Ltd | Orifice type steam trap |
| JP4522546B2 (en) * | 2000-06-19 | 2010-08-11 | 株式会社テイエルブイ | Orifice type steam trap |
| JP2010249234A (en) * | 2009-04-15 | 2010-11-04 | Tlv Co Ltd | Lever float type drain trap |
| JP2011085202A (en) * | 2009-10-15 | 2011-04-28 | Tlv Co Ltd | Lever float type drain trap |
| JP2011190891A (en) * | 2010-03-15 | 2011-09-29 | Tlv Co Ltd | Lever float type drain trap |
| WO2017051704A1 (en) * | 2015-09-25 | 2017-03-30 | 株式会社テイエルブイ | Orifice-type drain discharge mechanism and drain discharge system |
| JPWO2017051704A1 (en) * | 2015-09-25 | 2017-11-02 | 株式会社テイエルブイ | Orifice drain discharge mechanism and drain discharge system |
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