CN104192544A - Coal feeder quick-closing valve - Google Patents
Coal feeder quick-closing valve Download PDFInfo
- Publication number
- CN104192544A CN104192544A CN201410443048.XA CN201410443048A CN104192544A CN 104192544 A CN104192544 A CN 104192544A CN 201410443048 A CN201410443048 A CN 201410443048A CN 104192544 A CN104192544 A CN 104192544A
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- China
- Prior art keywords
- flange
- shaft seal
- sealing
- orbit
- seal member
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- 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.)
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Abstract
A coal feeder quick-closing valve comprises a flange and an insertion board shaft seal, wherein the flange and the insertion board shaft seal are oppositely arranged to form a sealing orbit. The coal feeder quick-closing valve further comprises a flexible sealing component which is arranged in the sealing orbit, the shape of the flexible sealing component is matched with that of the sealing orbit, and the flexible sealing component abuts against the flange and the insertion board shaft seal. In the structure design, the flange and the insertion board shaft seal are oppositely arranged, a gap exists between the flange and the insertion board shaft seal, and the gap forms the sealing orbit. The flexible sealing component is arranged in the sealing orbit, and thus the gap is sealed through the flexible sealing component. By means of the structure design, the sealing orbit is arranged to ensure the normal operation of the valve, and the sealing performance of the valve is improved by arranging the flexible sealing component in the sealing orbit. Felt is added between the insertion board shaft seal and the flange of the coal feeding quick-closing valve, it can be ensured that the flange and the insertion board shaft seal are close without air leakage or coal leakage, environment pollution is easily avoided, and safe and energy-saving operation of equipment is ensured.
Description
Technical field
The present invention relates to electric power factory equipment technical field, more particularly, particularly a kind of feeder main stop valve.
Background technology
Feeder main stop valve is positioned at feeder coal unloading tube and burner hearth junction, is furnished with air-actuator, will guarantee not leak out, leak coal during operation, pneumatic insertion plate door non-internal leakage.In order to increase feeder safety, at coal spout, install pneumatic quick-acting valve additional, this valve and feeder temperature interlocking.This valve quick closedown when feeder overtemperature, the feeder of jumping in parallel. guarantee feeder safe in operation.But feeder main stop valve plate and the lower coal groove gap of on-the-spot operation are large, leak out, leak coal during operation, often cause on platform and pile up a large amount of cinders, bring very big inconvenience also in the time of contaminated environment the work of operations staff and service personnel.
Summary of the invention
In view of this, the invention provides a kind of feeder main stop valve, to address the above problem.
For achieving the above object, the invention provides following technical scheme:
A feeder main stop valve, includes flange and plate shaft seal, and described flange and described plate shaft seal are oppositely arranged and are formed with sealing track, also include flexible seal member, and described flexible seal member is arranged in described sealing track;
The shape of the shape of described flexible seal member and described sealing track matches;
Described flexible seal member and described flange and described plate shaft seal offset.
Preferably, described flexible seal member is felt, cotton or rubber.
Preferably, described flexible seal member includes polylith, and two adjacent described flexible seal members adopt 45 degree angle docking.
Feeder main stop valve provided by the invention, includes flange and plate shaft seal, and flange and plate shaft seal are oppositely arranged and are formed with sealing track, also include flexible seal member, and flexible seal member is arranged in sealing track; The shape of flexible seal member matches with the shape of sealing track; Flexible seal member and flange and plate shaft seal offset.
In the present invention, in order to guarantee that feeder main stop valve can normally move, flange and plate shaft seal are oppositely arranged, between flange and plate shaft seal, have gap, this gap is formed with sealing track.In sealing track, flexible seal member is set, so, by this gap of flexible seal member shutoff.The present invention designs by said structure, is provided with sealing track, guarantees that valve normally moves, and in sealing track, flexible seal member is set and can improves the leak tightness of valve.By said structure, design, between feeder main stop valve plate shaft seal and flange, add felt, can guarantee between flange and plate shaft seal tightly, do not leak out, leak coal, the favourable environmental pollution of having avoided, assurance device security energy-saving run.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the local structure schematic diagram of feeder main stop valve in an embodiment of the present invention.
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Please refer to Fig. 1, Fig. 1 is the local structure schematic diagram of feeder main stop valve in an embodiment of the present invention.
The invention provides a kind of feeder main stop valve, include flange 1 and plate shaft seal 2, flange 1 is oppositely arranged and is formed with sealing track with plate shaft seal 2, also includes flexible seal member 3, and flexible seal member 3 is arranged in sealing track; The shape of flexible seal member 3 matches with the shape of sealing track; Flexible seal member 3 offsets with flange 1 and plate shaft seal 2.
In the prior art, between flange and plate shaft seal, due to reasons such as assembling parts mate, it can have gap, and this gap can impact the safe operation of equipment.In order to address this problem, the invention provides flexible seal member 3.Meanwhile, in order to guarantee that feeder main stop valve can normally move, flange 1 and plate shaft seal 2 are oppositely arranged, between flange 1 and plate shaft seal 2, have gap, this gap is formed with sealing track.In sealing track, flexible seal member 3 is set, so, by this gap of flexible seal member 3 shutoff.The present invention designs by said structure, is provided with sealing track, guarantees that valve normally moves, and in sealing track, 3 leak tightnesss that can improve valve of flexible seal member is set.
By said structure, design, between feeder main stop valve plate shaft seal 2 and flange 1, add felt, can guarantee between flange 1 and plate shaft seal 2 tightly, do not leak out, leak coal, the favourable environmental pollution of having avoided, assurance device security energy-saving run.
Concrete scheme of the invention process is: feeder main stop valve is disintegrated, between feeder main stop valve flange 1 and plate shaft seal 2, add felt, prune felt, make it consistent with sealing trade shape.Plate sealed packing fills up seal groove, and interface is cut 45 degree angle docking, and felt size can not be less than seal groove size, if be less than seal groove, can add double-deck felt.
Particularly, flexible seal member 3 is felt, cotton or rubber.
In an embodiment of the invention, flexible seal member 3 is preferably felt.
Particularly, flexible seal member 3 includes polylith, and adjacent two flexible seal members 3 adopt 45 degree angle docking.
Beneficial effect of the present invention is: between feeder main stop valve flange 1 and plate shaft seal 2, add after felt, seal groove is tight, eliminated and leaked out, leaked coal phenomenon, main stop valve platform is clean and tidy without long-pending coal, good operating environment is provided to operations staff and service personnel, and then guarantees device security energy-saving run.
Above-mentioned explanation, makes professional and technical personnel in the field can realize or use the present invention.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (3)
1. a feeder main stop valve, includes flange (1) and plate shaft seal (2), and described flange and described plate shaft seal are oppositely arranged and are formed with sealing track, it is characterized in that,
Also include flexible seal member (3), described flexible seal member is arranged in described sealing track;
The shape of the shape of described flexible seal member and described sealing track matches;
Described flexible seal member and described flange and described plate shaft seal offset.
2. feeder main stop valve according to claim 1, is characterized in that,
Described flexible seal member is felt, cotton or rubber.
3. feeder main stop valve according to claim 1, is characterized in that,
Described flexible seal member includes polylith, and two adjacent described flexible seal members adopt 45 degree angle docking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410443048.XA CN104192544A (en) | 2014-09-01 | 2014-09-01 | Coal feeder quick-closing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410443048.XA CN104192544A (en) | 2014-09-01 | 2014-09-01 | Coal feeder quick-closing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104192544A true CN104192544A (en) | 2014-12-10 |
Family
ID=52077972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410443048.XA Pending CN104192544A (en) | 2014-09-01 | 2014-09-01 | Coal feeder quick-closing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104192544A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0018220A1 (en) * | 1979-04-20 | 1980-10-29 | Tomoe Technical Research Company | Butterfly valve |
| CN87203330U (en) * | 1987-05-30 | 1988-03-23 | 杨树蔚 | Closed butterfly valve for controlling flow of high and low temp. fluid |
| JPH02163571A (en) * | 1988-12-19 | 1990-06-22 | Tomoe Gijutsu Kenkyusho:Kk | Butterfly valve and manufacture thereof |
| US5975494A (en) * | 1995-10-12 | 1999-11-02 | Orbit Valve Company | Replaceable seal members for butterfly valve |
| CN101338836A (en) * | 2008-08-16 | 2009-01-07 | 肖勇 | Double open board plug coal valve |
| CN201526683U (en) * | 2009-09-27 | 2010-07-14 | 安徽荣达阀门有限公司 | Flange type butterfly valve with static powder coating |
| CN201621309U (en) * | 2010-03-08 | 2010-11-03 | 赵云辉 | Ceramic wearable gate valve |
| CN101929554A (en) * | 2010-08-06 | 2010-12-29 | 上海高中压阀门股份有限公司 | Improved flat gate valve |
| CN102966758A (en) * | 2012-11-08 | 2013-03-13 | 佛山市科皓燃烧设备制造有限公司 | Flange type three-way butterfly valve |
| CN204038515U (en) * | 2014-09-01 | 2014-12-24 | 大唐保定热电厂 | Feeder main stop valve |
-
2014
- 2014-09-01 CN CN201410443048.XA patent/CN104192544A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0018220A1 (en) * | 1979-04-20 | 1980-10-29 | Tomoe Technical Research Company | Butterfly valve |
| CN87203330U (en) * | 1987-05-30 | 1988-03-23 | 杨树蔚 | Closed butterfly valve for controlling flow of high and low temp. fluid |
| JPH02163571A (en) * | 1988-12-19 | 1990-06-22 | Tomoe Gijutsu Kenkyusho:Kk | Butterfly valve and manufacture thereof |
| US5975494A (en) * | 1995-10-12 | 1999-11-02 | Orbit Valve Company | Replaceable seal members for butterfly valve |
| CN101338836A (en) * | 2008-08-16 | 2009-01-07 | 肖勇 | Double open board plug coal valve |
| CN201526683U (en) * | 2009-09-27 | 2010-07-14 | 安徽荣达阀门有限公司 | Flange type butterfly valve with static powder coating |
| CN201621309U (en) * | 2010-03-08 | 2010-11-03 | 赵云辉 | Ceramic wearable gate valve |
| CN101929554A (en) * | 2010-08-06 | 2010-12-29 | 上海高中压阀门股份有限公司 | Improved flat gate valve |
| CN102966758A (en) * | 2012-11-08 | 2013-03-13 | 佛山市科皓燃烧设备制造有限公司 | Flange type three-way butterfly valve |
| CN204038515U (en) * | 2014-09-01 | 2014-12-24 | 大唐保定热电厂 | Feeder main stop valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141210 |