JP2009041720A - Steam trap with piping joint - Google Patents

Steam trap with piping joint Download PDF

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Publication number
JP2009041720A
JP2009041720A JP2007209494A JP2007209494A JP2009041720A JP 2009041720 A JP2009041720 A JP 2009041720A JP 2007209494 A JP2007209494 A JP 2007209494A JP 2007209494 A JP2007209494 A JP 2007209494A JP 2009041720 A JP2009041720 A JP 2009041720A
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Prior art keywords
passage
communicating
outlet
inlet
valve chamber
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JP2007209494A
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Japanese (ja)
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Takeshi Fukuda
剛士 福田
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TLV Co Ltd
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TLV Co Ltd
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Priority to JP2007209494A priority Critical patent/JP2009041720A/en
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Abstract

<P>PROBLEM TO BE SOLVED: To easily repair and exchange a valve seat member. <P>SOLUTION: The seat trap comprises trap casings 5, 6 having a connecting portion 8 forming an inlet passage 9 and an outlet passage 10 on one side surface, and having a valve chamber 11 communicating to the inlet passage 9 and a communicating passage 7 communicating to the outlet passage 10 inside; a piping joint member 2 having an inlet 23 communicating to the inlet passage 9 and an outlet 24 communicating to the outlet passage 10, and rotatably attached/detached to/from the trap casings 5, 6; a fixing member 3 formed integrally or separately from the connecting portion 8, and coupling the trap casings 5, 6 and the piping joint member 2; a valve seat member 13 having a discharging passage 14 attached from a side surface on an opposite side to the connecting portion 8 and communicating the valve chamber 11 and the communicating passage 7; and a float 15 disposed in the valve chamber 11 and functioning as a valve member for opening/closing the discharging passage 14. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

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、特に種々の配管取り付け状態に応じて取り付けることのできる配管ジョイント付スチームトラップに関する。   The present invention relates to a steam trap that automatically discharges condensate generated in a steam pipe system such as a steam transport pipe or a steam-using device, and more particularly to a steam trap with a pipe joint that can be attached according to various pipe mounting states. .

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。このスチームトラップは、蒸気配管や蒸気使用装置の下部末端に取り付けられる場合が多く、取り付けスペースや取り付け方向が、その他の配管や装置により限定されたものとなってしまうことが多かった。そこで取り付けスペースや方向が限定されたものになっていたとしても、比較的広範囲の対象に取り付けることができるものとして、配管ジョイント付スチームトラップが用いられている。   Condensate generation is unavoidable in the steam piping system, and it is necessary to discharge the generated condensate out of the system. A device that automatically discharges this condensate is a special valve called a steam trap. In many cases, the steam trap is attached to the lower end of the steam pipe or the steam using device, and the mounting space and the mounting direction are often limited by other pipes and devices. Therefore, even if the installation space and direction are limited, a steam trap with a pipe joint is used as one that can be attached to a relatively wide range of objects.

従来の配管ジョイント付スチームトラップは、入口通路と出口通路を形成した接続部を一側面に有し入口通路に連通する弁室と出口通路に連通する連通路とを内部に有するトラップケーシングと、入口通路に連通する入口及び出口通路に連通する出口を有しトラップケーシングに回動自在に着脱される配管ジョイント部材と、接続部と一体にあるいは別体に形成されトラップケーシングと配管ジョイント部材を連結する固定部材と、接続部が設けられた一側面から取り付けられ弁室と連通路とを連通する排出通路を有する弁座部材と、弁室に配置され排出通路を開閉する弁部材と、を具備するものである。   A conventional steam trap with a pipe joint includes a trap casing having a connecting portion forming an inlet passage and an outlet passage on one side surface, a valve chamber communicating with the inlet passage, and a communication passage communicating with the outlet passage, and an inlet A pipe joint member that has an inlet that communicates with the passage and an outlet that communicates with the outlet passage and is rotatably attached to and detached from the trap casing, and is formed integrally with or separately from the connecting portion, and connects the trap casing and the pipe joint member. A fixing member; a valve seat member that is attached from one side surface provided with the connecting portion and has a discharge passage that communicates the valve chamber and the communication passage; and a valve member that is disposed in the valve chamber and opens and closes the discharge passage. Is.

上記従来の配管ジョイント付スチームトラップは、弁室と連通路とを連通する排出通路を有する弁座部材が、接続部が設けられた一側面から取り付けられたものであるので、弁座部材を取り付ける外方に配管ジョイント部材や配管ジョイント部材に連結された配管部材が位置する。そのため、弁座部材を修理したり交換したりすることが困難であるという問題点があった。
特開２００７−１０７６４２ In the conventional steam trap with a pipe joint, the valve seat member having the discharge passage that communicates the valve chamber and the communication passage is attached from one side surface provided with the connection portion. A piping joint member and a piping member connected to the piping joint member are located outward. Therefore, there is a problem that it is difficult to repair or replace the valve seat member.
JP2007-107642A

解決しようとする課題は、容易に弁座部材を修理したり交換したりすることのできる配管ジョイント付スチームトラップを提供することである。   The problem to be solved is to provide a steam trap with a pipe joint that can easily repair or replace the valve seat member.

本発明は、入口通路と出口通路を形成した接続部を一側面に有し入口通路に連通する弁室と出口通路に連通する連通路とを内部に有するトラップケーシングと、入口通路に連通する入口及び出口通路に連通する出口を有しトラップケーシングに回動自在に着脱される配管ジョイント部材と、接続部と一体にあるいは別体に形成されトラップケーシングと配管ジョイント部材を連結する固定部材と、接続部とは反対側の側面から取り付けられ弁室と連通路とを連通する排出通路を有する弁座部材と、弁室に配置され排出通路を開閉する弁部材と、を具備することを特徴とする配管ジョイント付スチームトラップにある。   The present invention relates to a trap casing having a connecting portion forming an inlet passage and an outlet passage on one side surface and communicating with the inlet passage and a communication passage communicating with the outlet passage, and an inlet communicating with the inlet passage. And a piping joint member that has an outlet communicating with the outlet passage and is rotatably attached to and detached from the trap casing, and a fixing member that is formed integrally with or separately from the connecting portion and connects the trap casing and the piping joint member. And a valve seat member having a discharge passage that is attached from a side opposite to the portion and communicates the valve chamber and the communication passage, and a valve member that is disposed in the valve chamber and opens and closes the discharge passage. It is in a steam trap with a pipe joint.

本発明は、弁室と連通路とを連通する排出通路を有する弁座部材を接続部とは反対側の側面から取り付けることにより、容易に弁座部材を修理したり交換したりすることができるという優れた効果を生じる。   According to the present invention, the valve seat member can be easily repaired or replaced by attaching the valve seat member having a discharge passage communicating the valve chamber and the communication passage from the side surface opposite to the connection portion. This produces an excellent effect.

本発明の配管ジョイント付スチームトラップは、弁室と連通路とを連通する排出通路を有する弁座部材が接続部とは反対側の側面から取り付けられたものである。そのため、弁座部材を取り付ける外方に配管ジョイント部材や配管ジョイント部材に連結された配管部材が位置しない。そのため、容易に弁座部材を修理したり交換したりすることが可能となる。   In the steam trap with a pipe joint of the present invention, a valve seat member having a discharge passage communicating the valve chamber and the communication passage is attached from the side surface opposite to the connection portion. Therefore, the piping joint member connected to the piping joint member or the piping joint member is not located on the outside where the valve seat member is attached. Therefore, the valve seat member can be easily repaired or replaced.

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）。配管ジョイント付スチームトラップはスチームトラップ１と配管ジョイント部材２とを固定部材３を介して図示しないボルトで固着して構成する。スチームトラップ１のトラップケーシングは、本体５とこの本体５に図示しないボルトで締結した蓋体６とで構成する。本体５は一側面に接続部８とフランジ状の固定部材３を一体に形成する。本体５と蓋体６は鋳造により形成する。接続部８は本体５と別体に形成することもできる。また固定部材３は接続部８と別体に形成することもできる。接続部８は中心部に入口通路９を有し、入口通路９の上方と下方に出口通路１０を有する。出口通路１０は少なくとも一つ設けることができる。入口通路９は本体５と蓋体６の内部に形成される弁室１１に連通する。本体５に出口通路１０に連通する連通路７を形成し、本体５と蓋体６に出口通路１０に連通する第２連通路１２を形成する。   An embodiment showing a specific example of the above technical means will be described (see FIG. 1). A steam trap with a pipe joint is configured by fixing a steam trap 1 and a pipe joint member 2 with a bolt (not shown) through a fixing member 3. The trap casing of the steam trap 1 includes a main body 5 and a lid body 6 fastened to the main body 5 with bolts (not shown). The main body 5 integrally forms the connecting portion 8 and the flange-shaped fixing member 3 on one side. The main body 5 and the lid body 6 are formed by casting. The connecting portion 8 can be formed separately from the main body 5. The fixing member 3 can also be formed separately from the connection portion 8. The connecting portion 8 has an inlet passage 9 in the center and an outlet passage 10 above and below the inlet passage 9. At least one outlet passage 10 can be provided. The inlet passage 9 communicates with a valve chamber 11 formed in the main body 5 and the lid body 6. A communication passage 7 that communicates with the outlet passage 10 is formed in the main body 5, and a second communication passage 12 that communicates with the outlet passage 10 is formed in the main body 5 and the lid body 6.

本体５の接続部８とは反対側の側面の下部に斜め下方に開けた開口を設け、開口から本体５に弁座部材１３をねじ結合し、開口にプラグ４をネジ結合して開口を塞ぐ。弁座部材１３は弁室１１と連通路７とを連通する排出通路１４を有する。弁室１１に弁部材としての中空球形のフロート１５を自由状態で収容する。フロート１５は弁室１１の液面にしたがって浮上降下し、外表面が弁座部材１３に直接離着座して排出通路１４を開閉する。フロート１５が排出通路１４を閉じた位置でフロート１５を保持するフロート座部材１６を本体５の底部に形成する。弁室１１の上部に円筒状で異物捕捉用の濾過孔を多数開けたスクリーン１７を固定し、スクリーン１７内に浮上したフロート１５を保持するフロートカバー１８を固定する。フロートカバー１８は連通孔１９を有する。蓋体６に排気弁座２０をねじ結合する。排気弁座２０は一端が弁室１１に開口し他端が第２連通路１２に開口した排気通路２１を有する。排気通路２１を開閉する温度応動部材としての湾曲バイメタル２２を設ける。   An opening that is opened obliquely downward is provided in the lower portion of the side surface opposite to the connection portion 8 of the main body 5, the valve seat member 13 is screwed to the main body 5 from the opening, and the plug 4 is screwed to the opening to close the opening. . The valve seat member 13 has a discharge passage 14 that communicates the valve chamber 11 with the communication passage 7. A hollow spherical float 15 as a valve member is accommodated in the valve chamber 11 in a free state. The float 15 ascends and descends according to the liquid level of the valve chamber 11, and the outer surface opens and closes directly to the valve seat member 13 to open and close the discharge passage 14. A float seat member 16 that holds the float 15 at a position where the float 15 closes the discharge passage 14 is formed at the bottom of the main body 5. A cylindrical screen 17 having a large number of filtration holes for capturing foreign substances is fixed to the upper portion of the valve chamber 11, and a float cover 18 that holds the float 15 floating in the screen 17 is fixed. The float cover 18 has a communication hole 19. The exhaust valve seat 20 is screwed to the lid 6. The exhaust valve seat 20 has an exhaust passage 21 having one end opened to the valve chamber 11 and the other end opened to the second communication passage 12. A curved bimetal 22 is provided as a temperature responsive member that opens and closes the exhaust passage 21.

配管ジョイント部材２は、同軸上に上部に入口２３と下部に出口２４を有し、その中央部に入口通路９に連通する入口連結路２５を有し、入口連結路２５の下方に出口通路１０に連通する出口連結路２６を有する。入口２３と入口連結路２５の間に円筒状で異物捕捉用の濾過孔を多数開けたスクリーン２７を配置する。スクリーン２７の円筒内面は入口２３に連通し、円筒外面は入口連結路２５に連通する。出口通路１０と出口連結路２６は、出口通路１０を囲む環状溝２８と出口連結路２６を囲む環状溝２９を介して連通する。環状溝は出口通路１０と出口連結路２６の少なくとも一方側に設けることができる。入口２３に配管部材接続用の入口フランジ３０を取り付け、出口２４に配管部材接続用の出口フランジ３１を取り付ける。   The pipe joint member 2 has an inlet 23 at the upper part and an outlet 24 at the lower part on the same axis, an inlet connecting path 25 communicating with the inlet passage 9 at the center, and the outlet path 10 below the inlet connecting path 25. The outlet connection path 26 communicates with the outlet. A cylindrical screen 27 having a large number of filtration holes for capturing foreign substances is disposed between the inlet 23 and the inlet connection path 25. The cylindrical inner surface of the screen 27 communicates with the inlet 23, and the outer cylindrical surface communicates with the inlet connection path 25. The outlet passage 10 and the outlet connecting path 26 communicate with each other via an annular groove 28 surrounding the outlet passage 10 and an annular groove 29 surrounding the outlet connecting path 26. The annular groove can be provided on at least one side of the outlet passage 10 and the outlet connecting path 26. An inlet flange 30 for connecting a piping member is attached to the inlet 23, and an outlet flange 31 for connecting the piping member is attached to the outlet 24.

入口２３は蒸気使用機器等の復水発生個所に接続する。入口２３から流入してくる流体は、スクリーン２７の濾過孔を通過することにより流体中の異物が捕捉され、入口連結路２５から入口通路９を経て弁室１１に流入し、スクリーン１７の濾過孔を通過することにより流体中の異物が捕捉される。蒸気輸送初めのように弁室１１の温度が低温であると、湾曲バイメタル２２は下に凸状に変形して排気弁座２０から離座して排気通路２１を開き、低温の空気や復水を排気通路２１から第２連通路１２、出口通路１０、環状溝２８，２９、出口連結路２６を通して出口２４に排出する。低温の空気や復水の排出により弁室１１内の温度が高くなってくると、湾曲バイメタル２０は温度上昇にしたがって徐々に上に凸状に変形して排気弁座２０に近付き、所定の高温で排気通路２１を閉じ、蒸気の漏出を防止する。また、弁室１１の液面の上昇によってフロート１５が浮上し弁座部材１３から離座して排出通路１４を開き、弁室１１の復水を排出通路１４から連通路７、出口通路１０、環状溝２８，２９、出口連結路２６を通して出口２４に排出する。復水の排出によって弁室１１の液面が下がると、フロート１５が降下してフロート座部材１６に乗った位置で排出通路１４を閉じ、蒸気の漏出を防止する。   The inlet 23 is connected to a condensate generation site such as a steam using device. The fluid flowing in from the inlet 23 passes through the filtration hole of the screen 27, so that foreign matter in the fluid is captured, flows into the valve chamber 11 from the inlet connection path 25 through the inlet passage 9, and passes through the filtration hole of the screen 17. Foreign matter in the fluid is captured by passing through. When the temperature of the valve chamber 11 is low as in the beginning of steam transportation, the curved bimetal 22 is deformed downward and is separated from the exhaust valve seat 20 to open the exhaust passage 21, and low-temperature air or condensate is formed. Is discharged from the exhaust passage 21 to the outlet 24 through the second communication passage 12, the outlet passage 10, the annular grooves 28 and 29, and the outlet connection passage 26. When the temperature in the valve chamber 11 rises due to the discharge of low-temperature air or condensate, the curved bimetal 20 gradually deforms upwardly as the temperature rises and approaches the exhaust valve seat 20 to reach a predetermined high temperature. Thus, the exhaust passage 21 is closed to prevent vapor leakage. Further, the float 15 rises due to the rise of the liquid level in the valve chamber 11 and is separated from the valve seat member 13 to open the discharge passage 14, and the condensate in the valve chamber 11 is connected to the communication passage 7, the outlet passage 10, The gas is discharged to the outlet 24 through the annular grooves 28 and 29 and the outlet connecting path 26. When the liquid level in the valve chamber 11 is lowered due to the discharge of the condensate, the float 15 descends and closes the discharge passage 14 at a position where it rides on the float seat member 16 to prevent the leakage of steam.

本発明の配管ジョイント付スチームトラップの断面図。Sectional drawing of the steam trap with a piping joint of this invention.

符号の説明Explanation of symbols

１ スチームトラップ
２ 配管ジョイント部材
３ 固定部材
５ 本体
６ 蓋体
７ 連通路
８ 接続部
９ 入口通路
１０ 出口通路
１１ 弁室
１３ 弁座部材
１４ 排出通路
１５ フロート
２３ 入口
２４ 出口
DESCRIPTION OF SYMBOLS 1 Steam trap 2 Piping joint member 3 Fixing member 5 Main body 6 Cover body 7 Communication path 8 Connection part 9 Inlet path 10 Outlet path 11 Valve chamber 13 Valve seat member 14 Outlet path 15 Float 23 Inlet 24 Outlet

Claims (1)

入口通路と出口通路を形成した接続部を一側面に有し入口通路に連通する弁室と出口通路に連通する連通路とを内部に有するトラップケーシングと、入口通路に連通する入口及び出口通路に連通する出口を有しトラップケーシングに回動自在に着脱される配管ジョイント部材と、接続部と一体にあるいは別体に形成されトラップケーシングと配管ジョイント部材を連結する固定部材と、接続部とは反対側の側面から取り付けられ弁室と連通路とを連通する排出通路を有する弁座部材と、弁室に配置され排出通路を開閉する弁部材と、を具備することを特徴とする配管ジョイント付スチームトラップ。
A trap casing having a connecting portion forming an inlet passage and an outlet passage on one side surface and communicating with the inlet passage and a communicating passage communicating with the outlet passage; and an inlet and outlet passage communicating with the inlet passage A pipe joint member that has a communicating outlet and is rotatably attached to and detached from the trap casing, a fixing member that is formed integrally with or separately from the connection portion, and that connects the trap casing and the pipe joint member, and is opposite to the connection portion A steam joint with a pipe joint, comprising: a valve seat member having a discharge passage that is attached from a side surface and that has a discharge passage communicating the valve chamber and the communication passage; and a valve member that is disposed in the valve chamber and opens and closes the discharge passage. trap.
JP2007209494A 2007-08-10 2007-08-10 Steam trap with piping joint Pending JP2009041720A (en)

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JP2007209494A JP2009041720A (en) 2007-08-10 2007-08-10 Steam trap with piping joint

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57124198A (en) * 1980-12-17 1982-08-02 Aamusutorongu Intern Inc Combined inflow-delivery ports fitting
JP2007107642A (en) * 2005-10-14 2007-04-26 Tlv Co Ltd Steam trap with piping joint
JP2007107643A (en) * 2005-10-14 2007-04-26 Tlv Co Ltd Float drain trap

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57124198A (en) * 1980-12-17 1982-08-02 Aamusutorongu Intern Inc Combined inflow-delivery ports fitting
JP2007107642A (en) * 2005-10-14 2007-04-26 Tlv Co Ltd Steam trap with piping joint
JP2007107643A (en) * 2005-10-14 2007-04-26 Tlv Co Ltd Float drain trap

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