JPH08145199A - Slide valve for high temperature - Google Patents
Slide valve for high temperatureInfo
- Publication number
- JPH08145199A JPH08145199A JP28575094A JP28575094A JPH08145199A JP H08145199 A JPH08145199 A JP H08145199A JP 28575094 A JP28575094 A JP 28575094A JP 28575094 A JP28575094 A JP 28575094A JP H08145199 A JPH08145199 A JP H08145199A
- Authority
- JP
- Japan
- Prior art keywords
- orifice plate
- guide member
- valve seat
- high temperature
- cone member
- 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
- Sliding Valves (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、例えば石油精製施設な
どにおいて化学触媒などの粉流体を含む高温流体を流通
させる流路の途中に介装する高温用スライド弁に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a high temperature slide valve which is inserted in the middle of a flow path through which a high temperature fluid containing a powdered fluid such as a chemical catalyst flows in an oil refining facility.
【０００２】[0002]
【従来の技術】この種の高温用スライド弁の一例を図２
及び図３に基づいて説明すると、弁箱１内の粉流体を含
む高温流体を流通させる流路２の流入口２ａがテーパー
状に形成されると共に、該流路２のほぼ中央に設けた弁
座３が中央部に貫通孔３ａ，３ｂを貫設したコーン部材
３Ａと該コーン部材３Ａの下流側端面に設けたオリフィ
スプレート３Ｂとで形成され、前記流路２を開閉する弁
体５が前記オリフィスプレート３Ｂの下流側端面に設け
たガイド部材４にスライド自在に支持されており、図外
の油圧シリンダーなどの液圧シリンダーを駆動すること
により、ピストンステム６を介して弁体５がスライドさ
れて、流路２を開放（図３実線状態）または閉鎖（図３
仮想線状態）することができるようになっている。な
お、図中、８は弁箱１の内面に形成された耐熱材、９は
コーン部材３Ａと弁箱１とを一体連結する連結部材、１
０は流入口２ａ、弁座３及び弁体５の高温流体が強く当
たる部分にライニングされた耐摩耗材であって、多数の
六角形の孔を形成した網目状のステンレス材からなるヘ
クスチールと、該ヘクスチールの網目に充填された耐磨
耗性のライニング材とから形成されている。2. Description of the Related Art An example of a slide valve for high temperature of this type is shown in FIG.
3 and FIG. 3, the inlet 2a of the flow path 2 for flowing the high temperature fluid containing the powder fluid in the valve box 1 is formed in a taper shape, and the valve provided at the substantially center of the flow path 2 is provided. The valve body 5 for opening and closing the flow path 2 is formed by the seat 3 including a cone member 3A having through holes 3a and 3b formed in the central portion thereof and an orifice plate 3B provided on the downstream end surface of the cone member 3A. The valve body 5 is slidably supported by a guide member 4 provided on the downstream end surface of the orifice plate 3B, and a valve cylinder 5 is slid through a piston stem 6 by driving a hydraulic cylinder such as a hydraulic cylinder (not shown). To open (shown by the solid line in FIG. 3) or close (see FIG. 3) the flow path 2.
Virtual line status). In the figure, 8 is a heat-resistant material formed on the inner surface of the valve box 1, 9 is a connecting member for integrally connecting the cone member 3A and the valve box 1, 1
Reference numeral 0 denotes a wear-resistant material lined in portions of the inflow port 2a, the valve seat 3 and the valve body 5 which are strongly hit by the high temperature fluid, and a hex steel made of a mesh-like stainless material having a large number of hexagonal holes, It is formed of a wear-resistant lining material filled in a mesh of hex steel.
【０００３】図４に示すように、従来、前記コーン部材
３Ａとオリフィスプレート３Ｂとは、その中央部に貫設
した貫通孔３ａ，３ｂの内径Ｒ１，Ｒ２が流入口２ａの
下流側内径ｒとほぼ同径であって、その内周面が耐摩耗
材１０，１０を介して流路２に露出しており、また、前
記ガイド部材４と弁体５との対向面にそれぞれ硬化肉盛
１１，１１がライニングされ、更に、オリフィスプレー
ト３Ｂがコーン部材３Ａにボルト１２止めされると共
に、ガイド部材４がオリフィスプレート３Ｂにボルト・
ナット１３止めされている。As shown in FIG. 4, conventionally, in the cone member 3A and the orifice plate 3B, the inner diameters R1 and R2 of the through holes 3a and 3b penetrating in the central portions thereof are the same as the inner diameter r of the downstream side of the inflow port 2a. The diameter is almost the same, the inner peripheral surface is exposed to the flow path 2 through the wear resistant materials 10, 10, and the hard facings 11, 11 are respectively formed on the facing surfaces of the guide member 4 and the valve body 5. 11, the orifice plate 3B is bolted to the cone member 3A by bolts 12, and the guide member 4 is bolted to the orifice plate 3B.
The nut 13 is stopped.
【０００４】[0004]
【発明が解決しようとする課題】上記従来の構成では、
コーン部材３Ａ及びオリフィスプレート３Ｂの耐摩耗材
１０，１０やガイド部材４の硬化肉盛１１などが流路２
内を流通する粉流体を含む高温流体により摩耗された場
合には、ボルト１２止め及びボルト・ナット１３止めを
解除してオリフィスプレート３Ｂ及びガイド部材４を取
り外して弁座３を分解し、前記耐摩耗材１０，１０及び
硬化肉盛１１などを補修した後、前記と逆の手順でオリ
フィスプレート３Ｂ及びガイド部材４を元通りに取り付
けて弁座３を組立る必要があり、これでは、弁座３の分
解及び組立に手間がかかると共に、補修箇所が多く、作
業能率が低いという難点がある。SUMMARY OF THE INVENTION In the above conventional configuration,
The wear-resistant materials 10 and 10 of the cone member 3A and the orifice plate 3B, the hardfacing 11 of the guide member 4 and the like are used as the flow path 2
When it is abraded by a high temperature fluid containing powder fluid flowing inside, the bolt 12 and the bolt / nut 13 are released, the orifice plate 3B and the guide member 4 are removed, and the valve seat 3 is disassembled to remove the wear resistance. After repairing the wear materials 10, 10 and the hardfacing 11, etc., it is necessary to assemble the valve seat 3 by reattaching the orifice plate 3B and the guide member 4 in the reverse order of the above procedure. It takes time and effort to disassemble and assemble, and there are many repair points, resulting in low work efficiency.
【０００５】本発明は、上記難点に鑑み、弁座の補修作
業を能率的に行なうことができる高温用スライド弁を提
供することを目的としている。In view of the above problems, it is an object of the present invention to provide a high temperature slide valve capable of efficiently performing valve seat repair work.
【０００６】[0006]
【課題を解決するための手段】上記目的を達成するた
め、本発明は、弁箱内の粉流体を含む高温流体を流通さ
せる流路のほぼ中央部に設けた弁座が中央部に貫通孔を
貫設したコーン部材と該コーン部材の下流側端面に止着
したオリフィスプレートとで形成され、前記流路を開閉
する弁体が前記オリフィスプレートの下流側端面に設け
たガイド部材にスライド自在に支持された高温用スライ
ド弁において、前記コーン部材の貫通孔の内径が前記流
路の流入口の下流側内径よりも大径に形成され、前記オ
リフィスプレートの上流側内周縁部に一体突設した環状
突出部が前記コーン部材の貫通孔内に嵌入されると共
に、該オリフィスプレートの貫通孔がに連通され、前記
ガイド部材が前記オリフィスプレートに一体形成されて
いることを特徴としている。To achieve the above object, according to the present invention, a valve seat provided in a substantially central portion of a flow path for circulating a high temperature fluid containing powdered fluid in a valve box has a through hole in the central portion. A valve member formed by a cone member penetrating through and an orifice plate fixed to the downstream end surface of the cone member, and opening and closing the flow path is slidable on a guide member provided on the downstream end surface of the orifice plate. In the supported high temperature slide valve, the inner diameter of the through hole of the cone member is formed to be larger than the inner diameter of the downstream side of the inlet of the flow path, and the protrusion is integrally provided on the upstream inner peripheral edge of the orifice plate. The annular protrusion is fitted into the through hole of the cone member, the through hole of the orifice plate is communicated with, and the guide member is integrally formed with the orifice plate. That.
【０００７】[0007]
【作用】上記構成において、流路を流通する粉流体を含
む高温流体によって弁座の内周面が摩耗された場合に
は、コーン部材からオリフィスプレート及びガイド部材
を取り外して弁座を分解し、その弁座の摩耗された部分
を補修した後、前記と逆の手順で弁座を組立るだけでよ
い。In the above structure, when the inner peripheral surface of the valve seat is worn by the high temperature fluid containing the powder fluid flowing through the flow passage, the orifice plate and the guide member are removed from the cone member to disassemble the valve seat, After repairing the worn portion of the valve seat, the valve seat need only be assembled in the reverse order of the above.
【０００８】この場合、コーン部材がオリフィスプレー
トにより保護されて流路を流通する粉流体を含む高温流
体によって摩耗されることがないため、そのコーン部材
を補修する必要がなく、その分だけ従来に比べて補修箇
所が減少しており、補修作業を能率的に行なうことがで
きる。In this case, since the cone member is protected by the orifice plate and is not abraded by the high temperature fluid containing the powder fluid flowing in the flow path, it is not necessary to repair the cone member, and the cone member can be repaired by that much. Compared with this, the number of repair points is reduced, and repair work can be performed efficiently.
【０００９】また、ガイド部材がオリフィスプレートに
一体形成されているから、弁座の分解及び組立を従来に
比べて簡単に行なうことができる。Further, since the guide member is formed integrally with the orifice plate, disassembly and assembly of the valve seat can be performed more easily than in the conventional case.
【００１０】[0010]
【実施例】以下、本発明の実施例を図面に基づいて説明
する。図１は本発明の一実施例である高温用スライド弁
の要部を示すものであって、コーン部材３Ａの貫通孔３
ａの内径Ｒ１が流入口２ａの下流側内径ｒよりも大径に
形成され、オリフィスプレート３Ｂの上流側内周縁部に
一体突設した環状突出部１４が前記コーン部材３Ａの貫
通孔３ａ内に嵌入され、該環状突出部１４の端面が流入
口２ａの下流側端面に当接され、そのオリフィスプレー
ト３Ｂ及び環状突出部１４には、その内周面に耐摩耗材
１０がライニングされると共に、その内径Ｒ２が流入口
２ａの下流側内径ｒとほぼ同径に設定され、これによっ
て、オリフィスプレート３Ｂの貫通孔３ｂが流入口２ａ
に連通されている。また、ガイド部材４がオリフィスプ
レート３Ｂに一体形成され、その一体化されたガイド部
材４及びオリフィスプレート３Ｂがその両者を貫通する
貫通孔１５を介してコーン部材３Ａにボルト・ナット１
３止めされている。上記以外の構成は、図４に示す従来
例とほぼ同じであるから、同一部分に同一符号を付して
その説明を省略する。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a main part of a high temperature slide valve according to an embodiment of the present invention, in which a through hole 3 of a cone member 3A is provided.
The inner diameter R1 of a is formed to be larger than the inner diameter r of the downstream side of the inflow port 2a, and the annular projection 14 integrally provided on the upstream inner peripheral edge of the orifice plate 3B is provided in the through hole 3a of the cone member 3A. The end surface of the annular protruding portion 14 is fitted into contact with the downstream end surface of the inflow port 2a, and the orifice plate 3B and the annular protruding portion 14 are lined with the wear-resistant material 10 on the inner peripheral surfaces thereof. The inner diameter R2 is set to be substantially the same as the downstream inner diameter r of the inflow port 2a, whereby the through hole 3b of the orifice plate 3B is set to the inflow port 2a.
Is communicated to. In addition, the guide member 4 is integrally formed with the orifice plate 3B, and the integrated guide member 4 and orifice plate 3B have a through hole 15 penetrating both the guide member 4 and the orifice plate 3B.
3 are stopped. Since the configuration other than the above is almost the same as that of the conventional example shown in FIG. 4, the same reference numerals are given to the same portions and the description thereof will be omitted.
【００１１】上記構成において、流路２を流通する粉流
体を含む高温流体によって弁座３の内周面が摩耗された
場合には、ボルト・ナット１３止めを解除し、一体化さ
れたガイド部材４及びオリフィスプレート３Ｂをコーン
部材３Ａから取り外して弁座３を分解し、摩耗された耐
摩耗材１０などを補修した後、前記とは逆の手順で、一
体化されたガイド部材４及びオリフィスプレート３Ｂを
コーン部材３Ａにボルト・ナット１３止めして弁座３を
組立るだけでよい。In the above structure, when the inner peripheral surface of the valve seat 3 is abraded by the high temperature fluid containing the powder fluid flowing through the flow path 2, the bolt / nut 13 stop is released and the integrated guide member is released. 4 and the orifice plate 3B are removed from the cone member 3A, the valve seat 3 is disassembled, and the worn wear-resistant material 10 and the like are repaired. It is sufficient to assemble the valve seat 3 by fixing the bolt and nut 13 to the cone member 3A.
【００１２】この場合、コーン部材３Ａがオリフィスプ
レート３Ｂにより保護されて流路２を流通する粉流体を
含む高温流体によって摩耗されることがないため、従来
のようにコーン部材３Ａの補修作業を行なう必要がな
く、その補修箇所が減少した分だけ補修作業を能率的に
行なうことができる。In this case, since the cone member 3A is protected by the orifice plate 3B and is not abraded by the high temperature fluid containing the powder fluid flowing through the flow path 2, the cone member 3A is repaired as in the conventional case. There is no need, and the repair work can be performed efficiently as much as the number of repair points is reduced.
【００１３】また、ガイド部材４がオリフィスプレート
３Ｂに一体形成されているので、そのガイド部材４とオ
リフィスプレート３Ｂとを一体にボルト・ナット１３で
コーン部材３Ａに止着することができ、従来のようにガ
イド部材４とオリフィスプレート３Ｂとをそれぞれ別個
に止着する場合に比べてその止着箇所が半減しており、
その半減した分だけ弁座３の分解及び組立を簡単に行な
うことができる。Further, since the guide member 4 is formed integrally with the orifice plate 3B, the guide member 4 and the orifice plate 3B can be integrally fixed to the cone member 3A with the bolts and nuts 13, and the conventional structure can be used. As compared with the case where the guide member 4 and the orifice plate 3B are separately fixed as described above, the fixing points are halved.
The valve seat 3 can be easily disassembled and assembled by the amount reduced by half.
【００１４】[0014]
【発明の効果】本発明によれば、コーン部材がオリフィ
スプレートにより保護されて流路を流通する粉流体を含
む高温流体によって摩耗されることがないため、そのコ
ーン部材を補修する必要がなく、その補修箇所が減少し
た分だけ補修作業を能率的に行なうことができる。According to the present invention, since the cone member is protected by the orifice plate and is not abraded by the high temperature fluid containing the powder fluid flowing through the flow path, it is not necessary to repair the cone member. The repair work can be efficiently performed as much as the number of repair points is reduced.
【００１５】また、ガイド部材がオリフィスプレートに
一体形成されているから、弁座の分解及び組立を従来に
比べて簡単に行なうことができる。Further, since the guide member is formed integrally with the orifice plate, the valve seat can be disassembled and assembled more easily than in the conventional case.
【図１】本発明の一実施例である高温用スライド弁の要
部の水平断面図である。FIG. 1 is a horizontal sectional view of a main part of a high temperature slide valve according to an embodiment of the present invention.
【図２】同高温用スライド弁の縦断面図である。FIG. 2 is a vertical cross-sectional view of the high temperature slide valve.
【図３】同高温用スライド弁の横断面図である。FIG. 3 is a cross-sectional view of the same high temperature slide valve.
【図４】従来例を示す要部の水平断面図である。FIG. 4 is a horizontal sectional view of a main part showing a conventional example.
１ 弁箱 ２ 流路 ２ａ 流入口 ３ 弁座 ３ａ コーン部材の貫通孔 ３ｂ オリフィスプレートの貫通孔 ３Ａ コーン部材 ３Ｂ オリフィスプレート ４ ガイド部材 ５ 弁体 １４ 環状突出部 Ｒ１ コーン部材の内径 ｒ 流入口の下流側内径 DESCRIPTION OF SYMBOLS 1 Valve box 2 Flow path 2a Inlet 3 Valve seat 3a Through hole of cone member 3b Through hole of orifice plate 3A Cone member 3B Orifice plate 4 Guide member 5 Valve body 14 Annular protrusion R1 Inner diameter of cone member r Downstream of inlet Inside diameter
Claims (1)
せる流路のほぼ中央部に設けた弁座が中央部に貫通孔を
貫設したコーン部材と該コーン部材の下流側端面に止着
したオリフィスプレートとで形成され、前記流路を開閉
する弁体が前記オリフィスプレートの下流側端面に設け
たガイド部材にスライド自在に支持された高温用スライ
ド弁において、前記コーン部材の貫通孔の内径が前記流
路の流入口の下流側内径よりも大径に形成され、前記オ
リフィスプレートの上流側内周縁部に一体突設した環状
突出部が前記コーン部材の貫通孔内に嵌入されると共
に、該オリフィスプレートの貫通孔が前記流入口に連通
され、前記ガイド部材が前記オリフィスプレートに一体
形成されていることを特徴とする高温用スライド弁。1. A cone member having a through hole in a central portion of a valve seat provided at a substantially central portion of a flow path for circulating a high temperature fluid containing a powdered fluid in a valve box, and a downstream end surface of the cone member. In a high temperature slide valve in which a valve body formed of a fixed orifice plate for opening and closing the flow path is slidably supported by a guide member provided on the downstream end surface of the orifice plate, a through hole of the cone member is provided. Has an inner diameter larger than the inner diameter on the downstream side of the inlet of the flow path, and an annular protrusion integrally projecting on the upstream inner peripheral edge of the orifice plate is fitted into the through hole of the cone member. At the same time, a through-hole of the orifice plate communicates with the inflow port, and the guide member is integrally formed with the orifice plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28575094A JPH08145199A (en) | 1994-11-21 | 1994-11-21 | Slide valve for high temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28575094A JPH08145199A (en) | 1994-11-21 | 1994-11-21 | Slide valve for high temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08145199A true JPH08145199A (en) | 1996-06-04 |
Family
ID=17695569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28575094A Pending JPH08145199A (en) | 1994-11-21 | 1994-11-21 | Slide valve for high temperature |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08145199A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH112340A (en) * | 1997-06-16 | 1999-01-06 | Kubota Corp | Sliding valve for hot temperature |
| CN105715817A (en) * | 2014-12-02 | 2016-06-29 | 中国石油天然气集团公司 | Guide rail and valve seat insert structure for slide valve and slide valve |
-
1994
- 1994-11-21 JP JP28575094A patent/JPH08145199A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH112340A (en) * | 1997-06-16 | 1999-01-06 | Kubota Corp | Sliding valve for hot temperature |
| CN105715817A (en) * | 2014-12-02 | 2016-06-29 | 中国石油天然气集团公司 | Guide rail and valve seat insert structure for slide valve and slide valve |
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