JPS59144877A - Knife gate valve equipped with a cleaning device for the valve body etc. and a device to prevent cargo leakage. - Google Patents
Knife gate valve equipped with a cleaning device for the valve body etc. and a device to prevent cargo leakage.Info
- Publication number
- JPS59144877A JPS59144877A JP1739683A JP1739683A JPS59144877A JP S59144877 A JPS59144877 A JP S59144877A JP 1739683 A JP1739683 A JP 1739683A JP 1739683 A JP1739683 A JP 1739683A JP S59144877 A JPS59144877 A JP S59144877A
- Authority
- JP
- Japan
- Prior art keywords
- valve body
- valve
- cleaning
- knife gate
- gate valve
- 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
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
- F16K3/30—Details
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding Valves (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
ナイフゲート弁を備えるパイプラインに゛よって、流体
を輸送する場合、輸送物が、劇毒物や放射能を帯びた物
である際ｖｃは、弁体を開いた時、弁体に何滴した輸送
物が、グランドパツキンを越えて、弁室外へ導き出さ扛
、こ江が周囲へ飛散して、環境を汚染しブヒリ、動植物
に害を為えたりする恐れがある。１
本発明は、上述の欠点をＭａｒ消（〜たナイフゲート弁
Ｇて関するもので、以下添句の図面（（基いて具体的に
説明する。[Detailed Description of the Invention] When a fluid is transported by a pipeline equipped with a knife gate valve, when the transported object is a highly poisonous substance or radioactive substance, when the valve body is opened, There is a risk that the transported material that drops onto the valve body will be drawn out of the valve chamber beyond the gland packing and be scattered to the surrounding area, polluting the environment and causing harm to animals and plants. 1 The present invention relates to a knife gate valve G that eliminates the above-mentioned drawbacks, and will be specifically explained based on the attached drawings below.
まず第１図において、（１）は弁箱、（２）は板１ノこ
の弁体で、弁体（２）の外ｔ’Ｊ ｂで連結したステム
（３）を、適宜の伎首（図示省略）ｆ／ｉ［、Ｊ：υ、
側方へ移動さ亡ることにより、弁体（２）は開閉させら
れる５、弁箱ｔ１）ノ基端外［／ｉ′ｉ（第１図左１ｆ
ｊｉ ）には、弁体（２）の全開Ｉｔ；’、’ ＋でお
いても、弁体（２）を完全に覆うカッ＜−（４）が摸席
されている。カバー（４）の要所（・て（は、洗浄孔（
５）（５）が穿設され、常時は、プラグ（６）ｌ、（（
）により閉塞されている。First, in Fig. 1, (1) is the valve body, (2) is the plate 1, and the stem (3) connected to the outside of the valve body (2) at t' (not shown) f/i [, J: υ,
By moving to the side, the valve body (2) is opened and closed.
ji) is provided with a cup <-(4) that completely covers the valve element (2) even when the valve element (2) is fully open. The key points of the cover (4) are the cleaning holes (
5) (5) is drilled, and the plug (6) l, ((
) is occluded.
なお（力はグランドパツキン、（８）はノくソキン押え
である。、
第２図に示すように、弁口（９）の内側縁における軸線
方向の中間部要所には、弁体（２）のガイド（ｌ ０）
（１０）とストッパー（ｌ ］）（ｉ ｌ）が止着さ扛
、かつ弁（Ａ＝（２）の後面（第２図下面）が接しうる
、断面Ｈ字形をなす環状の弁座（１２）が嵌設されてい
る。(The force is a gland packing, and (8) is a gripper.) As shown in Fig. 2, a valve body (2 ) guide (l 0)
An annular valve seat (12) with an H-shaped cross section, where the stopper (10) and the stopper (l) (i l) are fixed, and the rear surface (lower surface in Figure 2) of the valve (A = (2) can touch). ) is fitted.
弁口（９）の前部（第２図上部）要所には拡径段部（Ｉ
３）が切設され、この拡径段部（１３）には、欠配する
洗浄環（１４）が、止着環（１５）と○リング（１６）
（１６）をもって、気密的に嵌設されている。There is an enlarged diameter step (I
3) is cut out, and the missing cleaning ring (14) is cut out in this enlarged diameter step part (13), and the retaining ring (15) and the ○ ring (16)
(16), and is airtightly fitted.
洗浄環（１４）は、外周面中央部に、環状溝（１７）を
備え、かつ後面には、環状溝（１７）に連通ずるととも
に、弁体（２）方向を向く、多数の噴射孔（１８）が穿
設されている。The cleaning ring (14) has an annular groove (17) in the center of its outer peripheral surface, and has a large number of injection holes ( 18) is perforated.
環状溝（１７）は、弁箱（１）の外面要所に設けた洗浄
流体入口（１９）と連通し、流体入口（１９）は、図示
全省略した洗浄流体源に接続されている。The annular groove (17) communicates with a cleaning fluid inlet (19) provided at key points on the outer surface of the valve body (1), and the fluid inlet (19) is connected to a cleaning fluid source (not shown).
弁箱（１）の基部における弁体（２）の出入通路ｆ２ｔ
１）の後面（Ｃは、排出口（２１）が穿設されているＤ
なお、（２２）はグランドパツキン、（２３）はバラギ
ン押えである。Entry/exit passage f2t of the valve body (2) at the base of the valve box (1)
1) Rear surface (C is D where the discharge port (21) is bored)
In addition, (22) is a ground packing, and (23) is a baragin presser.
上述した本発明ナイフゲート弁においては、弁の開閉Ｃ
て際して、弁体（２）に付着して、グランドパツキン（
２２）を越えて、弁箱＋＋ｉ外へ持ち出された微細な輸
送物は、プラグ（６）を外して、一方の洗浄孔（５）よ
り他方の洗浄孔（５）に向けて洗浄水を流すことにＪニ
ジ、洗い落とすことができる。。In the above-described knife gate valve of the present invention, the valve opening/closing C
When this occurs, it may adhere to the valve body (2) and cause the gland packing (
22) and taken out of the valve box++i, remove the plug (6) and flush the cleaning water from one cleaning hole (5) to the other cleaning hole (5). Especially J Niji, it can be washed off. .
従って、輸送物の一部が弁箱外へ導き出されて、環境を
汚染したり、周囲に危害全及ぼしたりするおそ／″Ｌは
なくなる。。Therefore, there is no possibility that a part of the transported object will be led out of the valve box and pollute the environment or cause harm to the surrounding area.
なお、上記実施例においては、随時輸送物の輸送を停止
して、弁口（９）内を空にした後、弁体（２）を閉じる
か、あるいはその開閉中に、第２図矢印で示すように、
洗浄環（１滲の噴射孔（１８） 、Ｊ：す、弁体（２）
等に刺着した粉粒体が、乾燥している場合には空気を、
捷だ液（＊を含む場合には水を噴射することにより、こ
ルらを洗い落として、排出口（２１）より排出し、弁体
（２）等を清掃することが、でき、弁体（２）の開閉を
、常に円滑かつ完全としうるとともに、弁体が腐食する
のを防上することができる３、In the above-mentioned embodiment, after stopping the transport of the transported object at any time and emptying the inside of the valve port (9), the valve body (2) is closed, or during its opening and closing, the arrows in FIG. As shown,
Cleaning ring (1 injection hole (18), J: Su, valve body (2)
If the powder stuck to the surface is dry, remove the air.
If it contains sewage liquid (*), you can wash it off by spraying water and discharge it from the outlet (21) to clean the valve body (2), etc. 2) can always be opened and closed smoothly and completely, and the valve body can be prevented from corroding; 3.
第１図は、本発明ナイフゲート弁の一例を示す一部切欠
正面図、
第２図は、同じく要部拡大中央縦断正面図。
第６図は、第２図におけるＡ−Ａ線描断面゛商、第４図
は、洗浄環の一部切欠正面図である１゜（１）弁箱
（２）弁体
（３）ステム （４） カバー（５）洗浄
孔 （６）プラグ（カ グランドパツキン
（８）パツキンＪｌｌｌえ（９）弁口 （
１０） ガイド（１１）ストッパー （１２）
弁座（１３）段部 （１４）洗浄環（１５
）止着環 ｆｔｏ ｏリング（１７）環状
溝 （１８）噴射孔０９）洗浄流体入口
（２０ｉ 通路（２１） 排出口 （
２２）グランドパツキン（２３）パツキン押えFIG. 1 is a partially cutaway front view showing an example of the knife gate valve of the present invention, and FIG. 2 is an enlarged central longitudinal sectional front view of the same main part. Fig. 6 is a cross-sectional view taken along the line A-A in Fig. 2, and Fig. 4 is a partially cutaway front view of the cleaning ring, 1° (1) valve box.
(2) Valve body (3) Stem (4) Cover (5) Washing hole (6) Plug (Gland packing)
(8) Patsukin Jlllle (9) Benguchi (
10) Guide (11) Stopper (12)
Valve seat (13) Stepped part (14) Cleaning ring (15
) Retaining ring fto O-ring (17) Annular groove (18) Injection hole 09) Cleaning fluid inlet
(20i passage (21) outlet (
22) Grand packing (23) packing presser foot
Claims (1)
流体源に連通ずる環状溝がすＪ設され、かつ後面に、環
状溝に連通して、弁体方向を向く多数の噴射孔が穿設さ
れた洗浄３Ｍを設けるとともに、弁箱の基部における弁
体の出入通路の渋所１・て、弁体を洗浄した流体の餠、
出ロケ設け、また、弁箱の基端外面に、弁が全開時Ｕて
も、弁体を完全に緩い、要所１（適数の洗浄口を穿設し
たカバーを装着した、弁体清掃装置と輸送物漏洩防止装
置を設けたナイフゲート弁。In front of the valve body at the valve opening 1c, an annular groove communicating with an appropriate cleaning fluid source is provided on the circumferential surface, and on the rear surface, a large number of jets are connected to the annular groove and directed toward the valve body. In addition to providing a cleaning hole 3M with a hole drilled therein, at the base of the valve body at the entrance/exit passageway for the valve body, a fluid for cleaning the valve body is placed.
In addition, the valve body is cleaned by installing a cover with an appropriate number of cleaning holes on the outer surface of the proximal end of the valve box to ensure that the valve body is completely loose even when the valve is fully open. Knife gate valve equipped with device and conveyance leakage prevention device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1739683A JPS59144877A (en) | 1983-02-07 | 1983-02-07 | Knife gate valve equipped with a cleaning device for the valve body etc. and a device to prevent cargo leakage. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1739683A JPS59144877A (en) | 1983-02-07 | 1983-02-07 | Knife gate valve equipped with a cleaning device for the valve body etc. and a device to prevent cargo leakage. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59144877A true JPS59144877A (en) | 1984-08-20 |
Family
ID=11942831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1739683A Pending JPS59144877A (en) | 1983-02-07 | 1983-02-07 | Knife gate valve equipped with a cleaning device for the valve body etc. and a device to prevent cargo leakage. |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59144877A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000071915A3 (en) * | 1999-05-22 | 2001-05-10 | Robert Peter Enston | Freeing of seized valves |
| DE19961226A1 (en) * | 1999-12-18 | 2001-07-05 | Coperion Waeschle Gmbh & Co Kg | Gate valve |
| EP1640647A3 (en) * | 2002-07-05 | 2006-04-12 | Rohm and Haas Company | Valve mounting assembly |
| KR101315998B1 (en) * | 2011-12-29 | 2013-10-18 | (주)현우산업 | Knife gate valve-knife of disc contact |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52101716A (en) * | 1976-02-23 | 1977-08-26 | Nippon Kokan Kk | Sluice valve |
-
1983
- 1983-02-07 JP JP1739683A patent/JPS59144877A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52101716A (en) * | 1976-02-23 | 1977-08-26 | Nippon Kokan Kk | Sluice valve |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000071915A3 (en) * | 1999-05-22 | 2001-05-10 | Robert Peter Enston | Freeing of seized valves |
| JP2003500612A (en) * | 1999-05-22 | 2003-01-07 | エンストン，ロバート・ピーター | How to release a stuck valve |
| US6698444B1 (en) | 1999-05-22 | 2004-03-02 | Robert Peter Enston | Freeing of seized valves |
| DE19961226A1 (en) * | 1999-12-18 | 2001-07-05 | Coperion Waeschle Gmbh & Co Kg | Gate valve |
| EP1640647A3 (en) * | 2002-07-05 | 2006-04-12 | Rohm and Haas Company | Valve mounting assembly |
| KR101315998B1 (en) * | 2011-12-29 | 2013-10-18 | (주)현우산업 | Knife gate valve-knife of disc contact |
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