CN104132146A - Double-layer sealing type lift valve - Google Patents
Double-layer sealing type lift valve Download PDFInfo
- Publication number
- CN104132146A CN104132146A CN201410326676.XA CN201410326676A CN104132146A CN 104132146 A CN104132146 A CN 104132146A CN 201410326676 A CN201410326676 A CN 201410326676A CN 104132146 A CN104132146 A CN 104132146A
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- China
- Prior art keywords
- valve
- valve plate
- layer
- double
- lower floor
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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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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
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- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
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- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/44—Details of seats or valve members of double-seat valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The invention discloses a double-layer sealing type lift valve which comprises a valve body, a valve plate assembly and a lifting driving device connected with the valve plate assembly, wherein an upper-layer valve seat and a lower-layer valve seat are arranged inside the valve body, sealing strips are arranged on the upper-layer valve seat and the lower-layer valve seat respectively, the valve plate assembly comprises an upper-layer valve plate matched with the upper-layer valve seat and a lower-layer valve plate matched with the lower-layer valve seat, and a compression spring is arranged between the upper-layer valve plate and the lower-layer valve plate. According to the double-layer sealing type lift valve, the double layers of valve seats are arranged in the valve body, the corresponding double layers of valve plates are arranged, the compression spring is arranged between the two layers of valve plates, repulsive force is provided for the double layers of valve plates through the compression spring, and in this way, the sealing performance of the lift valve is effectively guaranteed, the situation that the sealing performance is reduced due to deformation of the valve seats or ash is avoided, and then the safety performance of a dedusting system is effectively improved and normal work of a boiler system can be effectively guaranteed.
Description
Technical field
The present invention relates to valve, specifically, relate to a kind of for the double sealing lift valve on the sack cleaner of control atmosphere pollution.
Background technique
Dust pelletizing system is a part for integrated pot furnace system as boiler accessory machinery system, in order better to adapt to the normal requirements of one's work of steam generator system, avoid improper boiler smoke to cause damage to filter bag, ensure that not affecting steam generator system normally works, bypath system must be set in dust pelletizing system, and wherein the parts of most critical are for importing and exporting stop valve and combination bypass valve.
For example, in the time that sack cleaner is normally worked, for making smoke emissioning concentration meet NBS, must ensure that the leak-down rate of combination bypass valve is 0.Meanwhile, in the time there is improper flue gas in boiler, import and export stop valve and combination bypass valve want can be fast and safely unlatching.
At present, general import and export stop valve and the by-pass valve adopting is essentially multi-disc fly valve board combining structure or traditional veneer lifting type structure, multi-disc fly valve board combining structure can produce distortion in the time being heated, and makes to produce very large gap between each sheet valve plate, causes valve closing not tight; And traditional veneer lifting type structure, although can ensure the impact of not temperature distortion of valve, is that face contacts at valve plate and valve seat, easily cause certain dust stratification, cause valve closing not tight.
Above two kinds of by-pass valves all can not effectively be protected the filter bag of sack cleaner, once filter bag is compromised, will causes great loss, and for this technical problem in correlation technique, not yet propose at present effective solution.
Summary of the invention
For the above-mentioned technical problem in correlation technique, the present invention proposes a kind of double sealing lift valve, can make high-temperature systems flue close rear without leaking, and ensures the normal use of the sack cleaner of the normal work of steam generator system.
Technological scheme of the present invention is achieved in that
A kind of double sealing lift valve, comprise valve body, valve plate and the lifting driving device being connected with valve plate, described valve inner is provided with upper strata valve seat and lower floor's valve seat, on described upper strata valve seat and described lower floor valve seat, be provided with Stamping Steel Ribbon, and, lower floor's valve plate that described valve plate comprises the upper strata valve plate that matches with described upper strata valve seat and matches with described lower floor valve seat, is provided with holddown spring between described upper strata valve plate and described lower floor valve plate.
Further, described valve plate is connected with described lifting driving device by promoting guide rod.
Further, described double sealing lift valve also comprises: guiding pole socket, described guiding pole socket is arranged at described valve inner, and is connected with described lifting guide rod.
Further, described guiding pole socket and described lifting guide rod are connected and comprise: on described guiding pole socket, be provided with groove, the up and down motion in described groove of described lifting guide rod.
Further, between described guiding pole socket and described lifting guide rod, be provided with seal ring.
Preferably, the area of described upper strata valve plate is greater than the area of described lower floor valve plate.
Preferably, the shape of described upper strata valve plate comprises circle.
Preferably, the shape of described lower floor valve plate comprises circle.
The present invention by arranging double-deck valve seat in valve body, and configure corresponding double-deck valve plate, and between double-deck valve plate, holddown spring is set, provide repulsion by holddown spring for double-deck valve plate, thereby effective sealing that has ensured poppet valve, prevent that valve seat from occurring because distortion or grieshoch cause the problem that sealing reduces, and then effectively raise the Security of dust pelletizing system, can effectively ensure the normal work of steam generator system.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, to the accompanying drawing of required use in embodiment be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation during according to the double sealing lift valve open mode of the embodiment of the present invention;
Fig. 2 is the structural representation during according to the double sealing lift valve closed condition of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technological scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain, belongs to the scope of protection of the invention.
According to embodiments of the invention, provide a kind of double sealing lift valve.
As shown in Fig. 1 to 2, comprise valve body 1, valve plate 2 and the lifting driving device 3 being connected with valve plate 2 according to the double sealing lift valve of the embodiment of the present invention, described valve body 1 inside is provided with upper strata valve seat 4 and lower floor's valve seat 5, on described upper strata valve seat 4 and described lower floor valve seat 5, be provided with Stamping Steel Ribbon, and, lower floor's valve plate 202 that described valve plate 2 comprises the upper strata valve plate 201 that matches with described upper strata valve seat 4 and matches with described lower floor valve seat 5, is provided with holddown spring 6 between described upper strata valve plate 201 and described lower floor valve plate 202.
In the time of practical application, in order to make poppet valve there is good guide function, can connect valve plate 2 and lifting driving device 3 by lifting guide rod 7 is set, simultaneously in order to make poppet valve there is good locating function, guiding pole socket 8 also can be set in the inside of valve body 1, and the pole socket 8 that makes to lead is connected with lifting guide rod 7.
And for being connected between guiding pole socket 8 and lifting guide rod 7, can on guiding pole socket 8, groove be set, and promote guide rod 7 up and down motion in described groove, wherein, the gap promoting between guide rod 7 and groove is preferably 0.5mm.
Certainly,, for the sealing of poppet valve is further provided, also can and promotes between guide rod 7 at guiding pole socket 8 and be provided with seal ring.
In addition, in the time of practical application, the area of upper strata valve plate 201 can be set to be greater than the area of lower floor's valve plate 202, the shape of upper strata valve 201 plates can be set to circle simultaneously, the shape of lower floor's valve plate 202 can arrange circle, certainly,, in the time of practical application, area and the shape of valve plate 2 also can be set according to actual needs.
In addition, in the time of practical application, for adapting to the application of large-scale wind pipeline, multiple double sealing lift valves one-tenth in parallel combination brake switch and proporting can be used.
When concrete use, for example, drive valve plate 2 to move up and down by the lifting driving device 3 (, electric pushrod, cylinder unit or electric actuator) of top.In the time of valve closing, double-deck valve plate 2 moves downward, and first lower floor's valve plate 202 contact with lower floor valve seat 5 Stamping Steel Ribbons, and contact afterwards holddown spring 8 starts stressed, in the time that holddown spring 6 is compressed to certain stroke, upper strata sealing plate 201 contacts compression with the Stamping Steel Ribbon of upper strata valve seat 4.When impacting force is applied to certain pressure, lifting driving device 3 stop motion pressurizes, at this moment upper strata valve plate 201 leans on the pressure of lifting driving device 3, valve plate 2 and Stamping Steel Ribbon close contact.Lower floor's valve plate 202 and the pressure close contact of lower floor's valve seat 5 by holddown spring 6.Ensured the sealing effect of valve, impelling leak-down rate is 0.
In addition,, in the time of concrete use, owing to being provided with holddown spring 6 between upper strata valve plate 201 and lower floor's valve plate 202, thereby also effectively compensate amount of deformation that steel structure at high temperature produces and the slow-action amount of lifting driving device.
In sum, by means of technique scheme of the present invention, by double-deck valve seat is set in valve body, and configure corresponding double-deck valve plate, and and between double-deck valve plate, holddown spring is set, provide repulsion by holddown spring for double-deck valve plate, thereby effective sealing that has ensured poppet valve, prevent that valve seat from occurring because distortion or grieshoch cause the problem that sealing reduces, and then effectively raise the Security of dust pelletizing system, can effectively ensure the normal work of steam generator system.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. a double sealing lift valve, comprise valve body, valve plate and the lifting driving device being connected with valve plate, it is characterized in that, described valve inner is provided with upper strata valve seat and lower floor's valve seat, on described upper strata valve seat and described lower floor valve seat, be provided with Stamping Steel Ribbon, and lower floor's valve plate that described valve plate comprises the upper strata valve plate that matches with described upper strata valve seat and matches with described lower floor valve seat, is provided with holddown spring between described upper strata valve plate and described lower floor valve plate.
2. double sealing lift valve according to claim 1, described valve plate is connected with described lifting driving device by promoting guide rod.
3. double sealing lift valve according to claim 2, is characterized in that, also comprises: guiding pole socket, described guiding pole socket is arranged at described valve inner, and is connected with described lifting guide rod.
4. double sealing lift valve according to claim 3, is characterized in that, described guiding pole socket and described lifting guide rod are connected and comprise:
On described guiding pole socket, be provided with groove, the up and down motion in described groove of described lifting guide rod.
5. double sealing lift valve according to claim 3, is characterized in that, between described guiding pole socket and described lifting guide rod, is provided with seal ring.
6. according to the double sealing lift valve described in any one in claim 1 to 5, it is characterized in that, the area of described upper strata valve plate is greater than the area of described lower floor valve plate.
7. according to the double sealing lift valve described in any one in claim 1 to 5, it is characterized in that, the shape of described upper strata valve plate comprises circle.
8. according to the double sealing lift valve described in any one in claim 1 to 5, it is characterized in that, the shape of described lower floor valve plate comprises circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410326676.XA CN104132146A (en) | 2014-07-10 | 2014-07-10 | Double-layer sealing type lift valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410326676.XA CN104132146A (en) | 2014-07-10 | 2014-07-10 | Double-layer sealing type lift valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104132146A true CN104132146A (en) | 2014-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410326676.XA Pending CN104132146A (en) | 2014-07-10 | 2014-07-10 | Double-layer sealing type lift valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104132146A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104678876A (en) * | 2015-02-02 | 2015-06-03 | 浙江中仪科教设备有限公司 | Intelligent dish selling system |
| CN105402421A (en) * | 2015-12-15 | 2016-03-16 | 北京赫宸环境工程股份有限公司 | Double-layer elastically sealing lift valve |
| CN105536373A (en) * | 2016-01-25 | 2016-05-04 | 曾星 | Bag deduster bypath sealing device |
| CN107084251A (en) * | 2017-05-17 | 2017-08-22 | 中冶节能环保有限责任公司 | A kind of double-layer seal by-passing valve with gas check |
| CN107877385A (en) * | 2017-11-15 | 2018-04-06 | 宁国松岭电力设备有限公司 | A kind of sand-blasting machine feed hopper |
| CN108825794A (en) * | 2018-08-29 | 2018-11-16 | 江苏保丽洁环境科技股份有限公司 | the waste gas outlet structure of adsorption box |
| CN109028100A (en) * | 2018-05-07 | 2018-12-18 | 长兴（广州）光电材料有限公司 | A kind of low leakage poppet and the accumulation of heat burning facility using the poppet |
| CN110925478A (en) * | 2019-12-22 | 2020-03-27 | 北京星和众工设备技术股份有限公司 | Lifting valve of furnace body |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0691495A1 (en) * | 1994-07-07 | 1996-01-10 | Blue Circle Heating Limited | Flow control devices |
| CN2725648Y (en) * | 2004-08-18 | 2005-09-14 | 吴江宝带除尘有限公司 | Pressure type non-leakage valve |
| CN2937681Y (en) * | 2006-08-07 | 2007-08-22 | 何保海 | Bypass valve for dust remover |
| CN101818810A (en) * | 2010-01-25 | 2010-09-01 | 江苏新中环保股份有限公司 | Double sealing lift valve used in pipeline of dust collector |
| CN203297635U (en) * | 2013-06-09 | 2013-11-20 | 中国能建集团装备有限公司北京技术中心 | Lifting-type fully-sealed valve |
| CN203948653U (en) * | 2014-07-10 | 2014-11-19 | 北京赫宸环境工程股份有限公司 | Double sealing lift valve |
-
2014
- 2014-07-10 CN CN201410326676.XA patent/CN104132146A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0691495A1 (en) * | 1994-07-07 | 1996-01-10 | Blue Circle Heating Limited | Flow control devices |
| CN2725648Y (en) * | 2004-08-18 | 2005-09-14 | 吴江宝带除尘有限公司 | Pressure type non-leakage valve |
| CN2937681Y (en) * | 2006-08-07 | 2007-08-22 | 何保海 | Bypass valve for dust remover |
| CN101818810A (en) * | 2010-01-25 | 2010-09-01 | 江苏新中环保股份有限公司 | Double sealing lift valve used in pipeline of dust collector |
| CN203297635U (en) * | 2013-06-09 | 2013-11-20 | 中国能建集团装备有限公司北京技术中心 | Lifting-type fully-sealed valve |
| CN203948653U (en) * | 2014-07-10 | 2014-11-19 | 北京赫宸环境工程股份有限公司 | Double sealing lift valve |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104678876A (en) * | 2015-02-02 | 2015-06-03 | 浙江中仪科教设备有限公司 | Intelligent dish selling system |
| CN105402421A (en) * | 2015-12-15 | 2016-03-16 | 北京赫宸环境工程股份有限公司 | Double-layer elastically sealing lift valve |
| CN105536373A (en) * | 2016-01-25 | 2016-05-04 | 曾星 | Bag deduster bypath sealing device |
| CN107084251A (en) * | 2017-05-17 | 2017-08-22 | 中冶节能环保有限责任公司 | A kind of double-layer seal by-passing valve with gas check |
| CN107877385A (en) * | 2017-11-15 | 2018-04-06 | 宁国松岭电力设备有限公司 | A kind of sand-blasting machine feed hopper |
| CN107877385B (en) * | 2017-11-15 | 2024-03-22 | 宁国松岭电力设备有限公司 | Feeder hopper of sand blasting machine |
| CN109028100A (en) * | 2018-05-07 | 2018-12-18 | 长兴（广州）光电材料有限公司 | A kind of low leakage poppet and the accumulation of heat burning facility using the poppet |
| CN108825794A (en) * | 2018-08-29 | 2018-11-16 | 江苏保丽洁环境科技股份有限公司 | the waste gas outlet structure of adsorption box |
| CN110925478A (en) * | 2019-12-22 | 2020-03-27 | 北京星和众工设备技术股份有限公司 | Lifting valve of furnace body |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20141105 |