JPS58217867A - Gate valve - Google Patents
Gate valveInfo
- Publication number
- JPS58217867A JPS58217867A JP10084082A JP10084082A JPS58217867A JP S58217867 A JPS58217867 A JP S58217867A JP 10084082 A JP10084082 A JP 10084082A JP 10084082 A JP10084082 A JP 10084082A JP S58217867 A JPS58217867 A JP S58217867A
- Authority
- JP
- Japan
- Prior art keywords
- valve
- valve seat
- plate
- passage
- valve 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.)
- Pending
Links
- 239000007788 liquid Substances 0.000 abstract description 34
- 239000012530 fluid Substances 0.000 abstract description 8
- 238000007789 sealing Methods 0.000 abstract description 7
- 230000003628 erosive effect Effects 0.000 abstract description 6
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 8
- 239000007787 solid Substances 0.000 description 8
- 238000011010 flushing procedure Methods 0.000 description 6
- 238000012856 packing Methods 0.000 description 6
- 239000003245 coal Substances 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 210000004907 gland Anatomy 0.000 description 3
- 239000003250 coal slurry Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/16—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together
- F16K3/20—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the seats
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding Valves (AREA)
Abstract
Description
【発明の詳細な説明】
本発明はゲートバルブ、特に、固形物粒子を含有する液
体の流れを制御するのに有用な新規な構造のゲートバル
ブに関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to gate valves, and more particularly to gate valves of novel construction useful for controlling the flow of liquids containing solid particles.
一般に、石炭液化プロセスにおける石炭液化生成物溶液
のように灰分や触媒などの固形物粒子を含有する高圧液
の流れをボールバルブやゲートバルブで制御する場合、
弁の入口側と出口側の差圧による押力をシール部に受け
た状態で開閉することになるため、大きな駆動力を必要
とし、しかも、弁の開閉動作によりシール部に固形物粒
子を巻き込み、シール部が損傷して気密力が低下し、ま
た、液体の通過面積の減少に伴う流速の上昇をきたし、
弁の接液部材のエロージョンが激しくなる。さらに、溶
解ガスのフラッシングや、トウピード部あるいは屈曲部
に起因する乱流状態若しくは衝撃もエロージョンを激し
くさせるという問題がある。Generally, when controlling the flow of high-pressure liquid containing solid particles such as ash and catalyst, such as a coal liquefaction product solution in a coal liquefaction process, using a ball valve or gate valve,
Since the valve opens and closes while the seal receives pressure from the differential pressure between the inlet and outlet sides, a large driving force is required, and solid particles are drawn into the seal when the valve opens and closes. , the sealing part is damaged and the airtightness is reduced, and the flow velocity increases due to the decrease in the liquid passage area.
Severe erosion of the valve's wetted parts. Further, there is a problem in that flashing of dissolved gas, turbulent flow conditions or shocks caused by towpede portions or bent portions also intensify erosion.
本発明は、このような問題に鑑みてなされたものであっ
て、固形物粒子や溶解ガスを含む液体の流れの制御に使
用してもエロージョンを著しく少なくし、小さな駆動力
で開閉しうるゲートバルブを提供することを目的とする
。The present invention has been made in view of these problems, and provides a gate that significantly reduces erosion even when used to control the flow of liquid containing solid particles and dissolved gas, and that can be opened and closed with a small driving force. The purpose is to provide valves.
本発明のゲートバルブは、シリンダ状弁本体と、該弁本
体内部の一端側にその液路と直交方向に往復動可能に配
設された板状弁体と、前記弁本体内部にその液路に摺接
して往復動可能に配設され、前記板状弁体に当接可能な
シリンダ状弁座部材とからなることを特徴とするもので
ある。The gate valve of the present invention includes a cylindrical valve body, a plate-shaped valve body disposed on one end side inside the valve body so as to be able to reciprocate in a direction orthogonal to the liquid passage, and a liquid passage inside the valve body. The present invention is characterized by comprising a cylindrical valve seat member that is arranged to be reciprocatingly movable in sliding contact with the plate-shaped valve body and that can come into contact with the plate-shaped valve body.
以下、添付の図面を参照して具体的に説明する。A detailed description will be given below with reference to the accompanying drawings.
図において、１はシリンダ状弁本体、２は入口、３は出
口、４は板状弁体、５はシリンダ状弁座部材で、板状弁
体４は弁本体１の流路６と直交して形成された弁室７内
に、流路６と直交方向に往復動可能に配設されている。In the figure, 1 is a cylindrical valve body, 2 is an inlet, 3 is an outlet, 4 is a plate-shaped valve body, and 5 is a cylindrical valve seat member. The valve chamber 7 is disposed in a valve chamber 7 formed by the valve chamber 7 so as to be able to reciprocate in a direction orthogonal to the flow path 6.
この弁体４は、第２図に示されるように、液体の流路と
なる開口部４ａを有１７、アクチュエータ（図示せず）
に連結された駆動軸８により駆動される。駆動軸８と弁
本体１との間をシールするシール機構９は、シールリン
グ１０、ランタンリングＩＪ１スペーサリング１２、グ
ランドパツキン１３、パツキン押え１４、パツキングラ
ンド１５、パツキン１６、パツキン押え１７からなり、
フラッシング液供給孔１８からランタンリング１１を介
してフラッシングされるクリーンな液体により弁内の液
体中の固形物粒子が進入するのを防止している。As shown in FIG. 2, this valve body 4 has an opening 4a that serves as a liquid flow path 17, and an actuator (not shown).
It is driven by a drive shaft 8 connected to. The sealing mechanism 9 that seals between the drive shaft 8 and the valve body 1 includes a seal ring 10, a lantern ring IJ1 spacer ring 12, a gland packing 13, a packing holder 14, a packing gland 15, a packing 16, and a packing holder 17.
The clean liquid flushed from the flushing liquid supply hole 18 through the lantern ring 11 prevents solid particles in the liquid from entering the valve.
弁本体１の流路６内に摺動可能に配設されたシリンダ状
弁座部材５１」、その軸方向に貫通した流路５ａを有Ｉ
７、その一端側は弁体４に対し弁座として機能する。弁
座部材５の外周部にはフランジ部２０が形成され、シー
ル固定部材２１．２２で固定されたシールリング２３で
弁本体１との間をシールすると共に、駆動液給排孔２４
，２５から駆動液を供給排出するようにしてあり、給排
孔２５から供給する駆動液の圧力を変えることにより弁
座部材５が往復動する。弁座部材５と弁本体１との間に
液体中の固形物粒子が進入して両者を損傷させるのを防
止するため、シール機構２６．２７が配設されている。A cylindrical valve seat member 51 is slidably disposed within the flow path 6 of the valve body 1, and has a flow path 5a passing through it in the axial direction.
7. Its one end side functions as a valve seat for the valve body 4. A flange portion 20 is formed on the outer periphery of the valve seat member 5, and a seal ring 23 fixed by seal fixing members 21 and 22 seals between the valve body 1 and the driving fluid supply/discharge hole 24.
, 25, and by changing the pressure of the driving fluid supplied from the supply/discharge hole 25, the valve seat member 5 reciprocates. In order to prevent solid particles in the liquid from entering between the valve seat member 5 and the valve body 1 and damaging them, sealing mechanisms 26 and 27 are provided.
これらのシール機構は、それぞれシールリング２８．２
９のクリアランスシールで構成され、前記駆動液をフラ
ッシング液とすることで、クリーンな液体のフラッシン
グによりシールしている。なお、クリアランスシール部
にグランドパツキンを用いても良いが、締込量を調整す
る手段を加味すれば本体の分割数が多くなり、外部への
気密性が低下するので多少の内部リークを許容できる使
用目的に対しては図示の構造が好ましい。３０はガスケ
ットである。These sealing mechanisms each have a sealing ring 28.2.
It consists of 9 clearance seals, and by using the flushing liquid as the driving liquid, sealing is achieved by flushing clean liquid. Note that a gland packing may be used for the clearance seal, but if a means to adjust the amount of tightening is added, the number of divisions of the main body will increase, and the airtightness to the outside will decrease, so some internal leakage can be tolerated. The structure shown is preferred for the intended use. 30 is a gasket.
前記構成のバルブを使用する場合、入口２側の液体の圧
力をＰ□、出口３側の圧力をＰ２（Ｐ□）Ｐ２）とする
と、図示の閉状態では、駆動液供給孔２４からの駆動液
の供給圧はＰ１＋α、フラッシング液供給孔１８、およ
び駆動液供給口２５から供給する各液の供給圧はＰ２Ｉ
−αとそれぞれ若干高くしである。なお、フラッシング
液と駆動液は同一で、固形物粒子等を含まないクリーン
な液体であればよく、またフラッシング液としては、バ
ルブ内を流れる液体と混合されても支障をきたすことの
ない液体、例えば、バルブ内を流れる液体が石炭液化生
成物溶液や石炭スラリの場合、石炭スラリ製造用溶剤、
あるいは分留した石炭液化油などを使用ずれはよい。バ
ルブを開にする場合、駆動液供給孔２５から供給する駆
動液の圧力をＰ□十αより高くすればよく、それによっ
て、弁座部材５を第１図の左方へ移動させると、弁体４
と弁本体１との間の微小間隙を通って入口側の液体が出
口側に流れ、差圧がなくなり、この状態で弁体４を第２
図で右方へ駆動し、開口部４が液路６と同位置となった
後、弁座部材を第１図の右方に戻すと全開される。閉じ
る場合は、まず、弁座部材５を第１図の左方に駆動させ
、弁体４を第２図の状態に戻し、次いで駆動液供給孔２
５からの駆動液の圧力をＰ十αに戻すと、弁座部材５が
弁体４に当接し、シールする。When using a valve with the above configuration, assuming that the pressure of the liquid on the inlet 2 side is P□ and the pressure on the outlet 3 side is P2 (P□)P2), in the closed state shown in the figure, the drive from the drive liquid supply hole 24 The supply pressure of the liquid is P1+α, and the supply pressure of each liquid supplied from the flushing liquid supply hole 18 and the driving liquid supply port 25 is P2I.
−α, which are slightly higher. Note that the flushing liquid and the driving liquid are the same, as long as they are clean liquids that do not contain solid particles, and the flushing liquid may be a liquid that does not cause any problems even when mixed with the liquid flowing inside the valve. For example, if the liquid flowing inside the valve is a coal liquefaction product solution or coal slurry, a solvent for producing coal slurry,
Alternatively, it is better to use fractionated coal liquefied oil. When opening the valve, the pressure of the driving fluid supplied from the driving fluid supply hole 25 should be made higher than P body 4
The liquid on the inlet side flows to the outlet side through the minute gap between the valve body 1 and the valve body 1, and the differential pressure disappears.
After the valve is driven to the right in the figure and the opening 4 is in the same position as the liquid path 6, the valve seat member is returned to the right in Figure 1 to be fully opened. When closing, first drive the valve seat member 5 to the left in FIG. 1, return the valve body 4 to the state shown in FIG. 2, and then close the driving fluid supply hole 2.
When the pressure of the driving fluid from 5 is returned to P1α, the valve seat member 5 comes into contact with the valve body 4 and seals it.
以上の説明から明らかなように、本発明に係るゲートバ
ルブは、弁座を弁体から離し、差圧のない状態で弁体を
移動させるため弁開閉時の駆動力が小さくて良く、また
、弁体を移動させる際シール部に異物を巻き込むことが
なく、従って、エロージョン、シール部の損傷、気密力
の低下などを減少させ、しかも弁開時の流路は配管の直
径と同一にでき、障害物や屈曲部もないので、滑らかな
液流となり、液体中に含有された固形物粒子によるエロ
ージョンの発生を著しく少なくできる他、入口と出口側
の差圧をなくしてから開閉できるので、配管系に衝撃を
与えることがないなど優れた効果を奏する。As is clear from the above description, the gate valve according to the present invention moves the valve seat away from the valve body and moves the valve body without differential pressure, so the driving force when opening and closing the valve is small, and When moving the valve body, no foreign matter gets caught in the seal part, thus reducing erosion, damage to the seal part, and reduction in airtightness.Furthermore, the flow path when the valve is open can be made the same as the diameter of the piping. Since there are no obstacles or bends, the liquid flows smoothly, significantly reducing the occurrence of erosion caused by solid particles contained in the liquid, and since the differential pressure between the inlet and outlet sides can be eliminated before opening and closing, piping It has excellent effects such as not giving any shock to the system.
第１図は本発明のゲートバルブの一実施例を示す断面図
、第２図は第１図のＡ−Ａ線ｔごおける切欠断面図であ
る。
１・・・シリンダ駄弁本休、２・・・入口、３・・・出
口、４・・・板状弁体、５・・・シリンダ状弁座部材、
４ａ。
５ａ、６・・・流路、２４．２５・・・駆動液供給孔、
９゜２６．２７・・・シール機構。
特 許 出 願 人 株式会社神戸製鋼所代 理 人
弁理士 青白 葆 ほか１名吟 Ｌ
／ ロ ＼
ト ′
／。
八
［−、８，−１
＼ ／ ！
＼ ／ ０
〜 へ
吟
３１ 。
關 Ｓ
〜
〜
ψ１
−「FIG. 1 is a sectional view showing an embodiment of the gate valve of the present invention, and FIG. 2 is a cutaway sectional view taken along line A--A in FIG. 1. DESCRIPTION OF SYMBOLS 1... Cylinder valve honkyu, 2... Inlet, 3... Outlet, 4... Plate-shaped valve body, 5... Cylinder-shaped valve seat member,
4a. 5a, 6... Channel, 24.25... Driving liquid supply hole,
9°26.27...Seal mechanism. Patent applicant: Kobe Steel, Ltd. Agent Patent attorney: Aohaku Ao and one other person Gin L/RO\TO'/. Eight [-, 8, -1 \ / ! ＼ / 0 ~ Hegin 31.關 S ~ ~ ψ1 − "
Claims (1)
にその流路と直交方向に往復動可能に配設された板状弁
体と、前記弁本体内部にその流路に摺接して往復動可能
に配設され、前記板状弁体に当接可能なシリンダ状弁座
部材とからなることを特徴とするゲートバルブ。(1) A cylindrical valve body, a plate-shaped valve body disposed on one end side inside the valve body so as to be able to reciprocate in a direction orthogonal to the flow passage, and a plate-shaped valve body disposed inside the valve body in sliding contact with the flow passage. 1. A gate valve comprising a cylindrical valve seat member that is arranged to be reciprocally movable and that can come into contact with the plate-shaped valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10084082A JPS58217867A (en) | 1982-06-12 | 1982-06-12 | Gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10084082A JPS58217867A (en) | 1982-06-12 | 1982-06-12 | Gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58217867A true JPS58217867A (en) | 1983-12-17 |
Family
ID=14284508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10084082A Pending JPS58217867A (en) | 1982-06-12 | 1982-06-12 | Gate valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58217867A (en) |
-
1982
- 1982-06-12 JP JP10084082A patent/JPS58217867A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9046184B2 (en) | Fluid pressure control device having a throttling element seal | |
| US3557822A (en) | Gate valve | |
| CA2746189C (en) | Stemless ball valve | |
| US4688757A (en) | Soft seat Y pattern globe valve | |
| US3955591A (en) | Insert type sliding gate valve | |
| US3563508A (en) | Valve including piston with spaced apart plates | |
| US5899232A (en) | Debris-resistant hydropneumatic valve | |
| US20070170389A1 (en) | Valve structure and valve device having same field of the invention | |
| JPS58217867A (en) | Gate valve | |
| CN111089183A (en) | Pneumatic sealing combined control valve | |
| RU2229648C1 (en) | Straight-way valve | |
| JPH01220784A (en) | Valve | |
| JPS58217868A (en) | Ball valve | |
| RU2217637C2 (en) | Valve-distributor | |
| CN221922160U (en) | Double-sealing composite valve | |
| CN220957034U (en) | Wear-resistant V-shaped ball valve | |
| FI89300B (en) | OPERATING VALVES FOR THE UNDERSTANDING OF UNDERVATTENSLAEGE | |
| RU2285177C2 (en) | Valve | |
| JPS58217865A (en) | Plunger valve | |
| US6588728B2 (en) | Modified isbester (MI) flow control gate valve | |
| JPS58200869A (en) | Valve | |
| RU2284429C2 (en) | Valve | |
| JP2001271959A (en) | Two-port valve | |
| CN207111958U (en) | Stop valve for the throttling of conveying solid substance particulate matter | |
| CN120042928A (en) | Black water multistage pressure reducing regulating valve |