CN107345586A - It is a kind of to open and close explosion-proof decompression device certainly - Google Patents
It is a kind of to open and close explosion-proof decompression device certainly Download PDFInfo
- Publication number
- CN107345586A CN107345586A CN201710456577.7A CN201710456577A CN107345586A CN 107345586 A CN107345586 A CN 107345586A CN 201710456577 A CN201710456577 A CN 201710456577A CN 107345586 A CN107345586 A CN 107345586A
- Authority
- CN
- China
- Prior art keywords
- guide rod
- bonnet
- support
- upper flange
- flange plate
- 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.)
- Withdrawn
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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/06—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with special arrangements for adjusting the opening pressure
-
- 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
-
- 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
- F16K1/46—Attachment of sealing rings
-
- 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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/164—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side and remaining closed after return of the normal pressure
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Special Wing (AREA)
Abstract
It is a kind of to open and close explosion-proof decompression device certainly, the upper flange plate top of flange sets bonnet, bonnet is pressed on the sealing surface of upper flange plate, uniform vertically-guided bar is set on upper flange plate, the edge of bonnet guide plate corresponding with guide rod respectively, guide rod both passes through the hole on corresponding guide plate, the centre bit of bonnet installs vertical middle guide rod, buffer spring is socketed on middle guide rod, the top of middle guide rod passes through the support fixed respectively with each guide rod top, the varying diameter portion of middle guide rod is located at the top of support, magnetic suction disc is set in the middle part of support, the top of middle guide rod still passes through the magnetic suction disc, the top of middle guide rod sets upper sucker corresponding with magnetic suction disc, also include regulation component and seal assembly.The present invention compared with prior art there is pretightning force to be easy to adjust, the advantages that the good sealing effect of bonnet.
Description
The present invention relates to a kind of pipe safety protector, more particularly to a kind of explosion-protection equipment for technical field.
Background technology causes equipment to damage in for systems such as generating, chemical industry, oil, heat supplies to prevent inflammable medium from firing
Bad and fire, need to need to add explosion proof door on pulverized coal preparation system pipeline or flue, existing explosion proof door be from open-close type explosion proof door, its
Primary structure is：The upper flange plate top of flange sets bonnet, and bonnet is pressed on the sealing surface of upper flange plate, on upper flange plate
If uniform vertically-guided bar, guide plate corresponding with guide rod, guide rod both pass through corresponding lead respectively at the edge of bonnet
To the hole on plate, the centre bit of the bonnet installs vertical middle guide rod, is socketed buffer spring on the middle guide rod, centre is led
The top of bar is located at the top of support, support through the support fixed respectively with each guide rod top, the varying diameter portion of middle guide rod
Middle part set magnetic suction disc, the top of middle guide rod still passes through the magnetic suction disc, and the top of middle guide rod is set and magnetic suction disc pair
The upper sucker answered.The explosion proof door of this structure is led using adjustable magneticaction and centre between magnetic suction disc and upper sucker
The spring-force driven dual of bar, buffer spring etc., the automatic open close of bonnet is realized, complete venting of dust explosion.It is existing to be deposited from open-close type explosion proof door
In following deficiency：1st, the pretightning force regulation of its bonnet is controlled by the magnetite of magnetic suction disc and the spacing of upper sucker, due to bonnet
Seal pressure be venting of dust explosion key factor, existing regulative mode scope is small, difficulty is big, and reliability is low；2nd, its bonnet with it is upper
The main seal form for using silica gel strip, graphite or metallic copper between ring flange, silica gel strip good airproof performance, but by hot environment
Influence, silica gel strip is easy to aging, installs the good sealing effect at initial stage, and the phenomenon for the powder that leaks out, leaks occurs after the time is longer；Graphite pads
The resistance to temp effect of piece sealing is good, but loose phenomenon easily occurs in sealing surface, the tightness of sealing surface is not reached requirement；Metallic copper
Although the resistance to gentle tightness of sealing is preferable, because its requirement on machining accuracy is higher, during real work, the particle such as dust is easily right
Sealing surface causes to damage, and influences sealing effectiveness, in addition, the cost of metallic copper is higher.
It is an object of the invention to provide a kind of pretightning force of not only bonnet to be easy to adjust for the content of the invention, and bonnet
Good sealing effect opens and closes explosion-proof decompression device certainly.
Improvement of the present invention mainly on the basis of the existing explosion proof door from open-close type, concrete technical scheme are as follows：
The invention mainly comprises have flange, bonnet, guide rod, middle guide rod, support, magnetic suction disc and upper suction
Disk, the upper flange plate top of flange set bonnet, and bonnet is pressed on the sealing surface of upper flange plate, is set on upper flange plate uniform
Vertically-guided bar, guide plate corresponding with guide rod, guide rod are both passed through on corresponding guide plate respectively at the edge of bonnet
Hole, the centre bit of the bonnet install vertical middle guide rod, buffer spring, the top of middle guide rod are socketed on the middle guide rod
Through the support fixed respectively with each guide rod top, the varying diameter portion of middle guide rod is located at the top of support, set in the middle part of support
Magnetic suction disc, the top of middle guide rod still pass through the magnetic suction disc, and the top of middle guide rod sets upper suction corresponding with magnetic suction disc
Disk；Present invention additionally comprises having regulation component and seal assembly, wherein at least one group of regulation component, every group of regulation component is by base
Seat, support tube, pressure head, spring and adjusting screw rod composition are held out against, wherein pedestal is arranged on support, oblique with one on pedestal
To support tube, the spring extended along its length is set in the support tube, one end connection of spring holds out against pressure head, and this holds out against pressure
One end of head and spring interface, the varying diameter portion that the other end stretches out support tube and above-mentioned middle guide rod connect, the spring it is another
The opening of end connection adjusting screw rod, the adjusting screw rod and support tube is connected through a screw thread, one end and the spring phase of adjusting screw rod
Connect, the other end stretches out support tube；The seal assembly is made up of projection and pad, wherein projection in a ring, its transverse cutting
Face is serrated, and projection is arranged on the lower edge position of bonnet, and the upper flange plate corresponds to above-mentioned projection position and sets annular
Slotted eye, the pad of annular is set in slotted eye, the lower end of the projection is in contact with the upper end of pad.
Preferably, the regulation component has three groups, and this three groups of spring regulation components are distributed on around middle guide rod.
Preferably, the pad is silicic acid aluminium backing.
As the preferred scheme of the present invention, present invention additionally comprises have leading truck and guide pad, wherein leading truck at least
There are 3, they are vertically set on the outward flange position of upper flange plate, and the cross section of leading truck is in door shape, its openend direction
The center of bonnet；The outward flange end of the bonnet is set and the one-to-one guide pad of leading truck, the horizontal stroke of guide pad respectively
Section is in T shape, and the outer end of each guide pad stretches in corresponding leading truck respectively, to realize that it can be along guiding
Frame vertically moves.
As another preferred scheme of the present invention, fire-retardant cover is set between the support and upper flange plate, the fire-retardant cover is
The barrel-type casing being open up and down, thereon edge of opening connect with support, under shed edge connects with upper flange plate, make support with
Side between upper flange plate forms enclosed area.
The work of the present invention is still to utilize magneticaction between magnetic suction disc and upper sucker and middle guide rod, buffering elastic
The spring-force driven dual of spring etc., the automatic open close of bonnet is realized, complete venting of dust explosion.During real work, hold out against pressure head and act on centre and lead
The reduced diameter portion of bar, downward power is provided to middle guide rod, bonnet is acted on, forms the pretightning force of valve bonnet seal, tune can be passed through
Section screw rod realizes the adjustment to holding out against ram pressures, to realize the adjustment to bonnet pretightning force；Take saw in valve bonnet seal face region
Tooth line contact, deformation of this seal form to horizontal direction have very big adaptability, effectively can prevent sealing surface from putting down
High temperature deformation in the range of face；During venting of dust explosion, while bonnet opens and closes, guide pad and leading truck play a part of being oriented to and resetted；
The range of scatter of flame when fire-retardant cover can effectively control detonation, ensure equipment or the safety of personnel to greatest extent.
The present invention has the following advantages that compared with prior art：
1st, the accurate adjustment of bonnet pretightning force can be realized, adjustable range is big, and regulation difficulty is low, can ensure that pretension is adjusted
Reliability and service life；
2nd, valve bonnet seal position is not in the phenomenon of powder of leaking out, leak, and sealing surface is not reliable, loose, and tightness is high；
3rd, bonnet guiding resistance is small, is not in bite phenomenon, ensures to be oriented to the accuracy of position.
4th, it is safe and reliable, ensure the security of operating personnel.
Illustrate the regulation component schematic diagram that Fig. 1 is the embodiment of the present invention 1.
Fig. 2 is the main view diagrammatic cross-section of the embodiment of the present invention 1.
Fig. 3 is Fig. 2 A portions enlarged drawing.
Fig. 4 is the top cross-sectional view of the embodiment of the present invention 2.
Next embodiment just elaborates with reference to accompanying drawing to the present invention
Embodiment 1 is a kind of from keying explosion-proof decompression device：
As shown in figure 1, regulation component by pedestal, support tube, hold out against pressure head, spring and adjusting screw rod and form, its
Middle pedestal 10-1 is arranged on support 7, is had an oblique support tube 10-3 on pedestal, is set along its length in the support tube
The spring 10-2 of extension, one end connection of spring hold out against pressure head 10-4, and this holds out against one end of pressure head and spring interface, and the other end is stretched
The varying diameter portion 501 for going out support tube and above-mentioned middle guide rod 5 connects, the other end connection adjusting screw rod 10-5 of the spring, the tune
It is connected through a screw thread at the opening 10-6 of section screw rod and support tube, one end of adjusting screw rod and spring interface, the other end stretch out branch
Support cylinder.
As shown in Figures 2 and 3, the top of upper flange plate 1 of flange sets bonnet 2, and bonnet is pressed in the sealing of upper flange plate
Set uniform vertically-guided bar 3 on face, on upper flange plate, the edge of bonnet guide plate 4 corresponding with guide rod respectively, guide rod
The hole on corresponding guide plate is both passed through, the centre bit of the bonnet installs vertical middle guide rod 5, covered on the middle guide rod
Buffer spring 6 is connect, the top of middle guide rod passes through the support 7 fixed respectively with each guide rod top, the varying diameter portion of middle guide rod
501 are located at the top of support, set magnetic suction disc 8 in the middle part of support, the top of middle guide rod still passes through the magnetic suction disc, and centre is led
The top of bar sets upper sucker 9 corresponding with magnetic suction disc, sets three groups of regulation components 10 on the support, this three groups of spring pressure regulation groups
Part is distributed on around middle guide rod, and the lower edge of the bonnet sets the projection 11 of annular, and the lateral cross section of projection is in sawtooth
Shape, upper flange plate correspond to the slotted eye 12 that above-mentioned projection position sets annular, and the silicic acid aluminium backing 13 of annular, the projection are set in slotted eye
Lower end be in contact with the upper end of pad, set fire-retardant cover 14 between the support and upper flange plate, the fire-retardant cover is opens up and down
Mouthful barrel-type casing, thereon edge of opening connect with support, under shed edge connects with upper flange plate, makes support and upper flange plate
Between side formed enclosed area.
Embodiment 2
The present embodiment is substantially the same manner as Example 1, and difference is also to include leading truck and guide pad, as shown in figure 4,
Leading truck 15 has 3, and they are vertically set on the outward flange position of upper flange plate 1, and the cross section of leading truck is in door shape, and it is opened
Mouth end sets guide pad 16 one-to-one with leading truck, guide pad respectively towards the center of valve 2, the outward flange end of bonnet
Cross section it is in T shape, the outer end of each guide pad stretches in corresponding leading truck respectively, to realize that it being capable of edge
Leading truck vertically moves.
Claims (5)
- It is 1. a kind of from keying explosion-proof decompression device, including flange, bonnet, guide rod, middle guide rod, support, magnetic suction disc And upper sucker, the upper flange plate top of flange set bonnet, bonnet is pressed on the sealing surface of upper flange plate, on upper flange plate If uniform vertically-guided bar, guide plate corresponding with guide rod, guide rod both pass through corresponding lead respectively at the edge of bonnet To the hole on plate, the centre bit of the bonnet installs vertical middle guide rod, is socketed buffer spring on the middle guide rod, centre is led The top of bar is located at the top of support, support through the support fixed respectively with each guide rod top, the varying diameter portion of middle guide rod Middle part set magnetic suction disc, the top of middle guide rod still passes through the magnetic suction disc, and the top of middle guide rod is set and magnetic suction disc pair The upper sucker answered；It is characterized in that：Also include regulation component and seal assembly, wherein at least one group of regulation component, every group of tune Pressure component by pedestal, support tube, hold out against pressure head, spring and adjusting screw rod and form, wherein pedestal is arranged on support, base There is an oblique support tube on seat, the spring extended along its length is set in the support tube, one end connection of spring is held out against Pressure head, this holds out against one end of pressure head and spring interface, and the other end stretches out support tube and the varying diameter portion of above-mentioned middle guide rod connects, institute The other end connection adjusting screw rod of spring is stated, the opening of the adjusting screw rod and support tube is connected through a screw thread, adjusting screw rod One end and spring interface, the other end stretch out support tube；The seal assembly is made up of projection and pad, and wherein projection is in ring Shape, its lateral cross section are serrated, and projection is arranged on the lower edge position of bonnet, and the upper flange plate corresponds to above-mentioned projection position The slotted eye of annular is installed, the pad of annular is set in slotted eye, the lower end of the projection is in contact with the upper end of pad.
- 2. it is according to claim 1 from keying explosion-proof decompression device, it is characterized in that：The regulation component has three groups, and this three Group spring regulation component is distributed on around middle guide rod.
- 3. it is according to claim 1 or 2 from keying explosion-proof decompression device, it is characterized in that：The pad is silicic acid aluminium backing.
- 4. it is according to claim 1 from keying explosion-proof decompression device, it is characterized in that：Also include leading truck and guide pad, Wherein leading truck at least 3, they are vertically set on the outward flange position of upper flange plate, and the cross section of leading truck is in door word Shape, its openend is towards the center of bonnet；The outward flange end of the bonnet is set respectively leads correspondingly with leading truck To block, the cross section of guide pad is in T shape, and the outer end of each guide pad stretches in corresponding leading truck respectively, with Realize that it being capable of vertically moving along leading truck.
- 5. explosion-proof decompression device is opened and closed certainly according to claim 1 or 4, it is characterized in that：The support and upper flange plate it Between set fire-retardant cover, the fire-retardant cover is the barrel-type casing that is open up and down, and edge of opening connects with support thereon, under shed edge and Upper flange plate connects, and the side between support and upper flange plate is formed enclosed area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710456577.7A CN107345586A (en) | 2017-06-16 | 2017-06-16 | It is a kind of to open and close explosion-proof decompression device certainly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710456577.7A CN107345586A (en) | 2017-06-16 | 2017-06-16 | It is a kind of to open and close explosion-proof decompression device certainly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107345586A true CN107345586A (en) | 2017-11-14 |
Family
ID=60253346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710456577.7A Withdrawn CN107345586A (en) | 2017-06-16 | 2017-06-16 | It is a kind of to open and close explosion-proof decompression device certainly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107345586A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108533805A (en) * | 2018-04-14 | 2018-09-14 | 上海中船三井造船柴油机有限公司 | A kind of effective safety valve of scavenging collection |
| CN112107819A (en) * | 2019-06-19 | 2020-12-22 | 中国石油化工股份有限公司 | Efficient explosion-resistant flame arrester |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10135832A1 (en) * | 2001-07-23 | 2003-02-20 | Wildeboer Bauteile Gmbh | Fire protection valve comprises inner and outer closure elements, and intumescent material in enclosed compartment |
| CN2642735Y (en) * | 2003-09-25 | 2004-09-22 | 朱耀平 | Leading and automatically operating type explosion-proof door |
| CN101260946A (en) * | 2008-04-11 | 2008-09-10 | 张永志 | Negative-pressure superconductor automatic opening-closing vented explosion device |
| CN201126050Y (en) * | 2008-04-30 | 2008-10-01 | 张永志 | Positive-pressure superconduction automatic start and stop discharge exploding apparatus |
| CN201251019Y (en) * | 2008-09-18 | 2009-06-03 | 张梁 | Magnetic preloaded-type double-pneumatic protective explosion-proof device |
| CN103062459A (en) * | 2013-01-19 | 2013-04-24 | 盐城市瑞恒电力石化设备制造有限公司 | Automatic opening and closing pressure-relief anti-explosion safety valve for pipeline system |
| CN104324797A (en) * | 2014-10-22 | 2015-02-04 | 中国神华能源股份有限公司 | Air duct explosion venting device of coal mill |
| CN104645535A (en) * | 2013-11-17 | 2015-05-27 | 盐城市瑞恒电力石化设备制造有限公司 | Intelligent fire-fighting pressure-release explosion relief valve |
| CN204942717U (en) * | 2015-09-11 | 2016-01-06 | 宁波埃美柯铜阀门有限公司 | Diaphragm stop valve |
| CN206860979U (en) * | 2017-06-16 | 2018-01-09 | 锐驰恩科技（大连）有限公司 | It is a kind of to open and close explosion-proof decompression device certainly |
-
2017
- 2017-06-16 CN CN201710456577.7A patent/CN107345586A/en not_active Withdrawn
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10135832A1 (en) * | 2001-07-23 | 2003-02-20 | Wildeboer Bauteile Gmbh | Fire protection valve comprises inner and outer closure elements, and intumescent material in enclosed compartment |
| CN2642735Y (en) * | 2003-09-25 | 2004-09-22 | 朱耀平 | Leading and automatically operating type explosion-proof door |
| CN101260946A (en) * | 2008-04-11 | 2008-09-10 | 张永志 | Negative-pressure superconductor automatic opening-closing vented explosion device |
| CN201126050Y (en) * | 2008-04-30 | 2008-10-01 | 张永志 | Positive-pressure superconduction automatic start and stop discharge exploding apparatus |
| CN201251019Y (en) * | 2008-09-18 | 2009-06-03 | 张梁 | Magnetic preloaded-type double-pneumatic protective explosion-proof device |
| CN103062459A (en) * | 2013-01-19 | 2013-04-24 | 盐城市瑞恒电力石化设备制造有限公司 | Automatic opening and closing pressure-relief anti-explosion safety valve for pipeline system |
| CN104645535A (en) * | 2013-11-17 | 2015-05-27 | 盐城市瑞恒电力石化设备制造有限公司 | Intelligent fire-fighting pressure-release explosion relief valve |
| CN104324797A (en) * | 2014-10-22 | 2015-02-04 | 中国神华能源股份有限公司 | Air duct explosion venting device of coal mill |
| CN204942717U (en) * | 2015-09-11 | 2016-01-06 | 宁波埃美柯铜阀门有限公司 | Diaphragm stop valve |
| CN206860979U (en) * | 2017-06-16 | 2018-01-09 | 锐驰恩科技（大连）有限公司 | It is a kind of to open and close explosion-proof decompression device certainly |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108533805A (en) * | 2018-04-14 | 2018-09-14 | 上海中船三井造船柴油机有限公司 | A kind of effective safety valve of scavenging collection |
| CN112107819A (en) * | 2019-06-19 | 2020-12-22 | 中国石油化工股份有限公司 | Efficient explosion-resistant flame arrester |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171114 |