JPH0665913B2 - Regulator valve - Google Patents
Regulator valveInfo
- Publication number
- JPH0665913B2 JPH0665913B2 JP62054095A JP5409587A JPH0665913B2 JP H0665913 B2 JPH0665913 B2 JP H0665913B2 JP 62054095 A JP62054095 A JP 62054095A JP 5409587 A JP5409587 A JP 5409587A JP H0665913 B2 JPH0665913 B2 JP H0665913B2
- Authority
- JP
- Japan
- Prior art keywords
- valve body
- valve
- pressure
- opening
- main body
- 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
- 239000012530 fluid Substances 0.000 claims description 40
- 239000002184 metal Substances 0.000 claims description 24
- 229910052751 metal Inorganic materials 0.000 claims description 24
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 8
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 9
- 230000008859 change Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000004043 responsiveness Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Safety Valves (AREA)
Description
【発明の詳細な説明】 イ．発明の目的 産業上の利用分野 本発明は、例えば触媒開発等、小型で自動化でき、特に
正確な条件設定が要求される反応試験装置に用いられる
調圧弁に関するものである。Detailed Description of the Invention a. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pressure regulating valve used in a reaction test apparatus which is small in size, can be automated, and requires particularly accurate condition setting, such as catalyst development.
従来の技術 調圧弁の代表的なものとしては米国テスコム社が開発し
たダイヤフラム式のものがある。このタイプは調節ノブ
を回し弁体を押圧しているスプリングにかかる圧力を変
えて設定圧力を変化させるもので、プロセス側と圧力設
定側の仕切りとしてゴム系、又はテフロン等の樹脂製の
一枚板を使用しているが、ダイヤフラムの材質上から、
使用する圧力、温度の制約がある。2. Description of the Related Art A typical type of pressure regulating valve is a diaphragm type valve developed by TESCOM, Inc. of the United States. This type changes the set pressure by changing the pressure applied to the spring that presses the valve disc by turning the adjustment knob.A rubber or Teflon resin sheet is used as a partition between the process side and the pressure setting side. I am using a plate, but from the diaphragm material,
There are restrictions on the pressure and temperature used.
またＯ−リング式のものも用いられている。これは上記
ダイヤフラム式と同様な材質からなるＯ−リングによっ
てプロセス側と圧力設定側を仕切っているが、同様に材
質からの制約及びＯ−リング部における摺動抵抗により
制御精度と応答性が悪いという問題がある。An O-ring type is also used. This is because the process side and the pressure setting side are separated by an O-ring made of the same material as the diaphragm type, but similarly the control accuracy and responsiveness are poor due to restrictions from the material and sliding resistance in the O-ring part. There is a problem.
発明が解決しようとする問題点 本発明は、従来技術の問題点を解決し、５００℃という
高温でも使用することができ、一次側の圧力や流量変動
に対して敏感に対応できる調圧弁を提供することを目的
とする。DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention The present invention solves the problems of the prior art and provides a pressure regulating valve that can be used even at a high temperature of 500 ° C. and that can respond sensitively to pressure and flow rate fluctuations on the primary side. The purpose is to do.
ロ．発明の構成 問題点を解決するための手段 本発明の調圧弁は、円筒状凹部を有し、該凹部の底面の
周辺部または底面に近い側壁に第１の流体導通管の開口
部、底面の中央部に第２の流体導通管の開口部を有する
本体の円筒状凹部に、第２の流体導通管の開口部を閉鎖
し得る形状の弁体と金属製ベローズとベローズ座が一体
化された弁構造体が、その弁体と金属製ベローズの部分
が本体の円筒状凹部の側壁に接触しない状態で内装され
て弁体が第２の流体導通管の開口部に接触し、ベローズ
座が本体の開放端を閉鎖する本体カバーにより固定され
た構造で、かつ前記弁体が第２の流体導通管の開口部に
接触し押圧する圧力を任意に調節できる機構として金属
製ベローズ内に外部から加圧流体を導入する流通孔を本
体カバーに設けてあることを特徴とする。B. Means for Solving the Problems The pressure regulating valve of the present invention has a cylindrical recess, and the opening of the first fluid passage pipe and the bottom of the first fluid passage pipe are provided on the peripheral portion of the bottom surface of the recess or on the side wall near the bottom surface. A valve body, a metal bellows, and a bellows seat having a shape capable of closing the opening of the second fluid conducting pipe are integrated into a cylindrical recess of the main body having the opening of the second fluid conducting pipe in the central portion. The valve structure is installed such that the valve body and the metal bellows portion do not contact the side wall of the cylindrical recess of the main body, the valve body contacts the opening of the second fluid conduit, and the bellows seat is the main body. The structure is fixed by a main body cover that closes the open end of the valve body, and the pressure applied by the valve body in contact with and pressing the opening of the second fluid conduit is adjusted as desired, and is externally applied to the metal bellows. A special feature is that the main body cover has a flow hole for introducing pressurized fluid. To.
以下添付図面に基づいて本発明を具体的に説明するが、
本発明は図示された構造に限定されるものではない。Hereinafter, the present invention will be specifically described with reference to the accompanying drawings.
The invention is not limited to the structure shown.
本発明の調圧弁は、大別して本体１、弁構造体２及び本
体カバー３よりなる。The pressure regulating valve of the present invention roughly comprises a main body 1, a valve structure 2 and a main body cover 3.
本体１は円筒状凹部１１を有し、第１図の如く凹部１１
の底面１２の周辺部又は２図の如く凹部１１の底面に近
い側壁に第１の流体導通管１３の開口部、底面１１の中
央部に第２の流体導通管１４の開口部を有する。The main body 1 has a cylindrical recess 11, and as shown in FIG.
The opening of the first fluid conducting tube 13 is provided on the peripheral portion of the bottom surface 12 or on the side wall near the bottom of the recess 11 as shown in FIG. 2, and the opening of the second fluid conducting tube 14 is provided at the center of the bottom surface 11.
底面１１における第２の流体導通管１４の開口部は、弁
体と接触して気密を保つのに重要な部分なので、弁座１
４Ａを嵌合した構造にして、交換が可能なようにするこ
とが好ましい。Since the opening of the second fluid conducting pipe 14 on the bottom surface 11 is an important part for contacting the valve body and maintaining airtightness, the valve seat 1
It is preferable that the 4A be fitted so that it can be replaced.
弁構造体２は、第２の流体導通管１４の開口部を閉鎖し
得る形状の弁体２１と金属製ベローズ２２とベローズ座
２３が一体化されてなる。The valve structure 2 is formed by integrating a valve body 21, a metal bellows 22, and a bellows seat 23, which have a shape capable of closing the opening of the second fluid conducting pipe 14.
弁体２１と金属製ベローズ２２は、上記円筒状凹部１１
に、その側壁に接触しない状態で内装されるので、円筒
状凹部１１の内径より小さい外径のものでなければなら
ないことは当然である。The valve body 21 and the metal bellows 22 are formed by the cylindrical recess 11
In addition, since it is installed in a state where it does not come into contact with the side wall, it is natural that the outer diameter must be smaller than the inner diameter of the cylindrical recess 11.
弁構造体２を一体化するには、弁体２１、金属製ベロー
ズ２２、ベローズ座２３と順次溶接することによって行
なうが、溶接方法は特に限定されることなく通常の方法
で実施すればよい。To integrate the valve structure 2, the valve body 21, the metal bellows 22, and the bellows seat 23 are sequentially welded, but the welding method is not particularly limited and may be any ordinary method.
これらの材質は使用する流体の特性を考慮して選定され
るが、溶接の点からみて同種類の材質を選定することが
好ましく、例えば弁体、ベローズ及びベローズ座の材質
を全てＳＵＳ系とする。These materials are selected in consideration of the characteristics of the fluid to be used, but it is preferable to select the same type of material from the viewpoint of welding. For example, the valve body, bellows and bellows seat are all made of SUS type. .
弁体２１の先端部は第２の流体導通管１４の開口部（そ
こに弁座を設けた場合は弁座部分）と接触し気密を保つ
重要な部分なので、特別の材質又は特殊コーティングし
たチップ２１Ａを弁体基部にネジ込む構造とし、交換が
可能なようにしておくことが好ましい。The tip of the valve body 21 is an important part that keeps airtightness by contacting with the opening of the second fluid conducting pipe 14 (the valve seat portion when a valve seat is provided there), so a tip made of a special material or a special coating It is preferable to have a structure in which 21A is screwed into the base of the valve body so that it can be replaced.
上記のように構成されている弁構造体の弁体２１と金属
製ベローズ２２の部分は、本体１の円筒状凹部１１に、
その側壁に接触しない状態で内装されて弁体２１が第２
の流体導通管１４の開口部に接触し、ベローズ座２３は
本体１の開放端（図では下端）を閉鎖する本体カバー３
により固定される。The valve body 21 and the metal bellows 22 of the valve structure configured as described above are provided in the cylindrical recess 11 of the main body 1,
The valve body 21 is installed in a state where it does not contact the side wall and
The body cover 3 that contacts the opening of the fluid conducting pipe 14 and closes the open end (lower end in the figure) of the body 1 by the bellows seat 23.
Fixed by.
図示の構造では、ベローズ座２３を、本体１と本体カバ
ー３との間にガスケット４及びガスケット５（耐熱性を
持たせるためには銅のような金属又はアスベスト等）を
介して挟み、本体カバー３をボルト６で本体１に締め付
けることによってベローズ座２３は固定される。In the illustrated structure, the bellows seat 23 is sandwiched between the main body 1 and the main body cover 3 via the gasket 4 and the gasket 5 (metal such as copper or asbestos for heat resistance), and the main body cover The bellows seat 23 is fixed by tightening 3 onto the body 1 with bolts 6.
固定した時に、金属製ベローズ２２が圧縮状態になるよ
うに円筒状凹部１１の深さ及び金属製ベローズ２２の高
さを適宜設定してあれば、弁体２１は金属製ベローズ２
２の弾力によって第２の流体導通管１４の開口部に押圧
される。If the depth of the cylindrical recess 11 and the height of the metal bellows 22 are appropriately set so that the metal bellows 22 will be in a compressed state when fixed, the valve body 21 will be the metal bellows 2.
The elastic force of 2 presses the opening of the second fluid conduit 14.
なお、弁構造体２が本体１内で安定に位置するように、
第２図に示す如くベローズ２２内にスプリング７を設け
てもよい。この場合、弁体２１は金属製ベローズ２２の
弾力及びスプリング７の弾力の合計値で第２の流体導通
管１４の開口部に押圧される。In addition, in order that the valve structure 2 is stably positioned in the main body 1,
A spring 7 may be provided in the bellows 22 as shown in FIG. In this case, the valve body 21 is pressed against the opening of the second fluid conducting pipe 14 by the total value of the elasticity of the metal bellows 22 and the elasticity of the spring 7.
このようにして、弁を組み立てる際の金属製ベローズ２
２の圧縮度により、またスプリング７を設置した場合は
両者の圧縮度に応じて弁体は第２の流体導通管１４の開
口部に押圧されるが、この調圧弁の使用条件（設定圧
力）を変化させ得るよう、弁体２１を第２の流体導通管
１４の開口部に押圧する圧力を任意に調節できる機構を
設ける。In this way, the metal bellows 2 when assembling the valve
The valve body is pressed against the opening of the second fluid communication pipe 14 depending on the degree of compression of 2 and the degree of compression of both when the spring 7 is installed. In order to change the pressure of the valve body 21, a mechanism capable of arbitrarily adjusting the pressure for pressing the valve body 21 against the opening of the second fluid conduit 14 is provided.
その機構の具体例としては、第１図及び第２図に示すよ
うに、ベローズ座２３及び本体カバー３に流通孔８を設
け、この流通孔８を通じて金属製ベローズ２２内に任意
の加圧した流体、例えば、ガス、オイル又は水を外部か
ら導入するようにしておけば、その流体の圧力を調節す
ることにより弁体２１を第２の流体導通管１４の開口部
に押圧する圧力を任意に調節することができる。As a specific example of the mechanism, as shown in FIG. 1 and FIG. 2, a flow hole 8 is provided in the bellows seat 23 and the main body cover 3, and an arbitrary pressure is applied to the metal bellows 22 through the flow hole 8. If a fluid such as gas, oil or water is introduced from the outside, the pressure for pressing the valve body 21 against the opening of the second fluid conduit 14 can be arbitrarily adjusted by adjusting the pressure of the fluid. It can be adjusted.
特定の圧力を設定する時は、金属製ベローズ２２及びス
プリング７による押圧力を差引いた流体圧を金属製ベロ
ーズ内にかければよい。When setting a specific pressure, the fluid pressure obtained by subtracting the pressing force of the metal bellows 22 and the spring 7 may be applied to the metal bellows.
作用 本発明の調圧弁は、前述のように小型で自動化した反応
試験装置の一次側プロセス圧力の変動に対応して、それ
を一定値（設定値Ｐｓ）に維持するために用いられる。Action The pressure regulating valve of the present invention is used for maintaining a constant value (set value Ps) in response to the fluctuation of the primary side process pressure of the small-sized and automated reaction test device as described above.
圧力を一定値に維持すべき反応器の出口を本調圧弁の第
１の流体導通管１３に接続する。調圧弁の金属製ベロー
ズ２２内（蓄圧室となる）には流通孔８を通して圧力Ｐ
１の流体を導入し、金属製ベローズ２２による押圧力
（スプリング７を設けた場合は金属製ベローズ２２によ
る押圧力とスプリング７による押圧力の合計）をＰ０と
した時、Ｐ０とＰ１の合計値が設定値Ｐｓになるように
する。The outlet of the reactor whose pressure is to be maintained at a constant value is connected to the first fluid conduit 13 of the pressure regulating valve. The pressure P is passed through the through hole 8 in the metal bellows 22 (which becomes the pressure accumulating chamber) of the pressure regulating valve.
When the fluid of No. 1 is introduced and the pressing force by the metal bellows 22 (when the spring 7 is provided, the total of the pressing force by the metal bellows 22 and the spring 7) is P 0 , P 0 and P 1 The total value of is set to Ps.
一次側プロセスの圧力が設定値Ｐｓ以上になると圧力Ｐ
ｓで圧着されている弁体２１を押し下げ、一次側プロセ
スの流体の一部が第２の流体導通管１４から放出され、
一次側圧力は設定値Ｐｓに維持される。When the pressure of the primary process exceeds the set value Ps, the pressure P
The valve body 21 crimped by s is pushed down, and a part of the fluid of the primary side process is discharged from the second fluid conduit 14.
The primary pressure is maintained at the set value Ps.
金属製ベローズ２２内（蓄圧室）の流体圧力をＰ１に維
持するためには、二次的に調圧弁を設けて圧力Ｐ１に維
持した流体を流通状態にするか、又はニードルバルブ等
で流量を制御しつつ蓄圧室内の圧力を上げＰ１に達した
ところでバルブを閉止するようにする。In order to maintain the fluid pressure in the metal bellows 22 (accumulation chamber) at P 1 , a secondary pressure regulating valve is provided to bring the fluid maintained at the pressure P 1 into a circulating state, or by a needle valve or the like. While controlling the flow rate, the pressure in the pressure accumulating chamber is increased and when the pressure reaches P 1 , the valve is closed.
後者の場合、蓄圧室内の圧力は外気温の影響を受ること
になるが、恒温槽を使用して避けることが出来る。例え
ば２５０℃で保温した場合恒温槽の温度を±１℃以内に
制御することにより一次側の圧力の変動を±０．２％以
内に抑えることが可能である。In the latter case, the pressure inside the accumulator will be affected by the outside temperature, but it can be avoided by using a thermostatic chamber. For example, when the temperature is kept at 250 ° C., it is possible to suppress the fluctuation of the pressure on the primary side within ± 0.2% by controlling the temperature of the constant temperature bath within ± 1 ° C.
なお上記の説明では、第１の流体導通管１３を一次側プ
ロセスに接続して使用するものとして説明したが、第２
の流体導通管１４を一次側プロセスに接続して使用する
ことも可能である。しかし第１の流体導通管１３を一次
側プロセスに接続して使用する方が圧力変化に対する応
答性が優れている。In the above description, the first fluid conducting pipe 13 is used by being connected to the primary side process.
It is also possible to use the above fluid conduit 14 connected to the primary side process. However, when the first fluid conduit 13 is connected to the primary side process and used, the responsiveness to pressure change is superior.
ハ．発明の効果 １）圧力の設定が極めて容易である。C. Effects of the Invention 1) It is extremely easy to set the pressure.
２）ゴム、プラスチック等の材料を使用していないの
で、５００℃という高温下でも使用することが出来る。2) Since materials such as rubber and plastic are not used, it can be used even at a high temperature of 500 ° C.
３）一次側プロセスラインにおける微小な流体流量およ
び圧力変動にも容易に追従し、反応条件を安定化する。3) The reaction conditions are stabilized by easily following minute fluid flow rates and pressure fluctuations in the primary process line.
例えば、微小流量（ガスの場合は５cc／分〜１０cc／
分、液の場合は、１cc／時間）でも安定に圧力を保持で
きる。For example, minute flow rate (5cc / min-10cc / in case of gas)
In the case of minute and liquid, the pressure can be stably maintained even at 1 cc / hour.
第１図は本発明の調圧弁の具体例の断面図、第２図は他
の具体例の断面図ある。 １…本体 １１…円筒状凹部、１２…円筒状凹部底面、 １３…第１の流体導通管、 １４…第２の流体導通管、１４Ａ…弁座、 ２…弁構造体 ２１…弁体、２１Ａ…弁体先端チップ、 ２２…金属製ベローズ、２３…ベローズ座 ３…本体カバー、４，５…ガスケット ６…ボルト、７…スプリング、８…流通孔FIG. 1 is a sectional view of a specific example of the pressure regulating valve of the present invention, and FIG. 2 is a sectional view of another specific example. DESCRIPTION OF SYMBOLS 1 ... Main body 11 ... Cylindrical recess, 12 ... Cylindrical recess bottom surface, 13 ... 1st fluid conduction pipe, 14 ... 2nd fluid conduction pipe, 14A ... Valve seat, 2 ... Valve structure 21 ... Valve body, 21A ... Tip of valve body, 22 ... Metal bellows, 23 ... Bellows seat 3 ... Main body cover, 4, 5 ... Gasket 6 ... Bolt, 7 ... Spring, 8 ... Flow hole
Claims (2)
または底面に近い側壁に第１の流体導通管の開口部、底
面の中央部に第２の流体導通管の開口部を有する本体の
円筒状凹部に、第２の流体導通管の開口部を閉鎖し得る
形状の弁体と金属製ベローズとベローズ座が一体化され
た弁構造体が、その弁体と金属製ベローズの部分が本体
の円筒状凹部の側壁に接触しない状態で内装されて弁体
が第２の流体導通管の開口部に接触し、ベローズ座が本
体の開放端を閉鎖する本体カバーにより固定された構造
で、かつ前記弁体が第２の流体導通管の開口部に接触し
押圧する圧力を任意に調節できる機構として金属製ベロ
ーズ内に外部から加圧流体を導入する流通孔を本体カバ
ーに設けてあることを特徴とする調圧弁。1. A cylindrical recess, wherein the opening of the first fluid conduit is located at the peripheral portion of the bottom surface of the recess or a side wall near the bottom surface, and the opening of the second fluid conduit is located at the center of the bottom surface. A valve structure in which a valve body, a metal bellows, and a bellows seat, which have a shape capable of closing the opening of the second fluid conducting pipe, is integrated in a cylindrical concave portion of the main body, is provided between the valve body and the metal bellows. A structure in which the valve body is in contact with the side wall of the cylindrical recess of the main body so that the valve body contacts the opening of the second fluid conduit, and the bellows seat is fixed by the main body cover that closes the open end of the main body. In addition, the main body cover is provided with a flow hole for introducing a pressurized fluid from the outside into the metal bellows as a mechanism capable of arbitrarily adjusting the pressure with which the valve body comes into contact with and presses the opening of the second fluid conducting pipe. A pressure regulating valve characterized by being present.
ップを弁体の先端部として弁体の基部にネジ込む構造に
してある特許請求の範囲第１項記載の調圧弁。2. The pressure regulating valve according to claim 1, wherein a tip made of a material different from that of the base portion of the valve body is screwed into the base portion of the valve body as a tip portion of the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62054095A JPH0665913B2 (en) | 1987-03-11 | 1987-03-11 | Regulator valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62054095A JPH0665913B2 (en) | 1987-03-11 | 1987-03-11 | Regulator valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63225774A JPS63225774A (en) | 1988-09-20 |
| JPH0665913B2 true JPH0665913B2 (en) | 1994-08-24 |
Family
ID=12961063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62054095A Expired - Fee Related JPH0665913B2 (en) | 1987-03-11 | 1987-03-11 | Regulator valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0665913B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115992861B (en) * | 2023-03-09 | 2025-03-04 | 中科艾尔(北京)科技有限公司 | A nitrogen spring loaded pressure reducing valve and its preset regulating device |
-
1987
- 1987-03-11 JP JP62054095A patent/JPH0665913B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63225774A (en) | 1988-09-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |