CN105333188A - Adjustable pressure release valve - Google Patents
Adjustable pressure release valve Download PDFInfo
- Publication number
- CN105333188A CN105333188A CN201510741958.0A CN201510741958A CN105333188A CN 105333188 A CN105333188 A CN 105333188A CN 201510741958 A CN201510741958 A CN 201510741958A CN 105333188 A CN105333188 A CN 105333188A
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- CN
- China
- Prior art keywords
- adjustable
- swing frame
- ball
- axle
- pressure release
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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.)
- Pending
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Classifications
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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
- 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
- F16K17/12—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side weight-loaded
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention relates to an adjustable pressure release valve. The adjustable pressure release valve is composed of a valve body, a movable valve deck, a sealing pair, a swing frame and a universal ball journal assembly. The movable valve deck is connected with the swing frame together through the universal ball journal assembly, so that the swing flexibility of the movable valve deck is improved, and the closing airtightness performance of the sealing pair between the movable valve deck and the valve body is guaranteed. The swing frame is provided with a two-way adjustable heavy hammer swing position, the automatic micro-positive-pressure or positive-pressure release starting purpose can be achieved through adjustment of the mass and the position of a two-way adjustable heavy hammer, and the accidents that equipment and personal safety are jeopardized through the positive pressure generated by a system are avoided. By the adoption of the adjustable pressure release valve, various abnormal conditions such as system power failure, induced draft fan operation stop caused by sudden faults and pressure release starting caused by instant positive pressure generation of the system due to operation or other reasons occurring due to gas media such as high-temperature smoke, air and dust gas in operation of the pressure system can be dealt with, and the adjustable pressure release valve has the beneficial effects of being simple in structure, sensitive in response, reliable in action, adjustable in pressure parameter, capable of being repeatedly used under the high-temperature condition and the like.
Description
[technical field]
The present invention relates to the safety installation to proterctive equipment and pipeline in industrial pipeline pressure system; valve technology field is belonged in particular to a kind of decompression anti-explosion device; particularly relate in a kind of high-temperature flue gas, air, dirt feed channel system when preventing system malfunctions and require to carry out fast pressure relief to high-temperature flue gas, air, dirt gas, thus the accident jeopardizing equipment and personal safety avoiding the malleation produced because of system to cause occurs.
[background technique]
Existing pressure-relief anti-explosion valve, as the gravity explosion proof door of regulation in " thermal power plant cigarette wind pulverized coal channel component modular design handbook ", explosion proof door is made to be covered in its sealing of air outlet by gravity, general employing rubber is as sealing material, can only use under normal temperature state, can only open gravity door under barotropic condition, and the remolding sensitivity of cracking pressure is poor; Inclined-plane explosion proof door and circular explosion proof door, because burst disk is disposable products, all need after each pressure release to change burst disk, use comparatively inconvenience, after pressure release, a large amount of medium leaks, use under normal temperature state, simultaneously due to waste incineration disposing technique and other special process, the pressure in its e-quipment and pipe is all negative pressure when normal operation.When system occurs that non-normal working situation inside produces positive pressure, often safety valve also has little time to open and just leads to serious consequence.Publication number is the technological scheme disclosed in the patent document of CN203230897U " pressure-relief valve in refuse burning system " in addition, adopt and drive pivot pin displacement to solenoid valve signal, movable valve gap is opened, its movable valve gap can not be closed after opening automatically, what system emitted after producing malleation is high-temperature flue gas, easily burns drive unit and solenoid valve.
[summary of the invention]
For the deficiency that prior art exists, goal of the invention of the present invention be to overcome prior art above shortcomings and provide that a kind of structure is simple, reaction sensitivity is high, reliable in action, automatically recover, pressure parameter is adjustable, can the adjustable Decompression valves of Reusability in the case of a high temperature.
For achieving the above object, the invention provides following technological scheme: adjustable Decompression valves, it comprises valve body and adjustable counter balance, and described valve body is provided with upper valve base and support, is positioned at upper valve base and is provided with sealing pair; Described sealing pair is made up of bottom sealing socket and upper seal support, and described bottom sealing socket is fixed on upper valve base, and described upper seal support is fixed on moving valve and covers; Described movable valve gap is installed together by bolt and univesal sphere axle; Described univesal sphere axle assembly is made up of ball axle, upper fixing body and lower fixing body, described ball axle is provided with lower sphere and stud shaft, lower sphere is installed together by screw and lower fixing body by described upper fixing body, described stud shaft passes through and is fixed on swing frame by locking nut in the mounting hole on swing frame, the axle sleeve sliding axle be positioned on swing frame is arranged on bearing bracket by bearing, and described bearing bracket is fixed on support; Described swing frame is furnished with adjustment counterweight.
The present invention is set to further: it is triangular in shape that described bottom sealing socket is provided with convex seal; It is corresponding with convex seal triangle that upper seal support is provided with recessed seal groove, in recessed seal groove, be provided with groove.
The present invention is set to further: described swing frame is provided with stud, axle sleeve, middle screw, mounting hole, perpendicular stud, side screw, upper saw pulley.
The present invention is set to further: described movable valve gap is made up of cover plate, refractory layer and thermal-protective coating.
The present invention is set to further: be provided with refractory insulating layer in described valve body, and described valve body is provided with leading truck and the upper saw pulley on swing frame is limited corresponding range of movement.
The present invention is set to further: be provided with in described lower fixing body in the upper fixing body described in recessed ball and be provided with fovea superior ball; Lower sphere on described ball axle is arranged in recessed ball and fovea superior ball and does corresponding activity.
Technical solution of the present invention is rational in infrastructure, change traditional Decompression valves and adopt burst disk or rubber sealing structure, innovate removable cover to take to be connected by special univesal sphere axle assembly with swing frame, improve movable valve gap flexible swinging, effective sealing performance when the sealing pair that ensure that between movable valve gap and valve body is closed, on swing frame, be provided with bidirectional modulation weight putting position simultaneously, can by adjust two-way weight quality and weight position reaches micro positive pressure or malleation opens pressure release automatically, thus the accident jeopardizing equipment and personal safety avoiding the malleation produced because of system to cause occurs, it have structure simple, be quick on the draw, the feature such as reliable in action, pressure parameter are adjustable, can use in the case of a high temperature.
Further describe each details of the present invention more by reference to the accompanying drawings below.
[accompanying drawing explanation]
Fig. 1 is structural representation of the present invention;
Fig. 2 is the B-B sectional view of Fig. 1;
Fig. 3 is the univesal sphere axle assembly structural representation in invention;
Fig. 4 is the A place partial enlarged drawing of sealing pair in Fig. 1;
Fig. 5 is the swing frame structural representation in the present invention;
Number in the figure: 1-valve body, the movable valve gap of 2-, 3-sealing pair, 4-swing frame, 5-univesal sphere axle assembly, 6-leading truck, 7-locking nut, 8-bolt, 9-adjusts screw rod, 10-bearing bracket, 11-sliding axle, 12-regulates counterweight, 13-nut, 14-bearing, 1.1-support, 1.2-upper valve base, 1.3-refractory insulating layer, 2.1-cover plate, 2.2-refractory layer, 2.3-thermal-protective coating, 3.1-bottom sealing socket, 3.1.1-convex seal, 3.2-upper seal support, 3.2.1-recessed seal groove, 3.2.2-groove, 4.1-stud, 4.2-axle sleeve, screw in 4.3-, 4.4-mounting hole, 4.5-erects stud, 4.6-side screw, 4.7-upper saw pulley, 5.1-ball axle, 5.2-screw, fixing body under 5.3-, the upper fixing body of 5.4-, 5.3.1-recessed ball, 5.4.1-fovea superior ball, 5.1.1-lower sphere, 5.1.2-stud shaft.
[embodiment]
As shown in Figures 1 to 5, adjustable Decompression valves, it comprises valve body 1 and adjustable counter balance 12, and described valve body 1 is provided with upper valve base 1.2 and support 1.1, is positioned at upper valve base 1.2 and is provided with sealing pair 3; Described sealing pair 3 is made up of bottom sealing socket 3.1 and upper seal support 3.2, and described bottom sealing socket 3.1 is fixed on upper valve base 1.2, and described upper seal support 3.2 is fixed on movable valve gap 2; Described movable valve gap 2 is installed together by bolt 8 and univesal sphere axle assembly 5, and described univesal sphere axle assembly 5 is made up of ball axle 5.1, upper fixing body 5.4 and lower fixing body 5.3, and described ball axle 5.1 is provided with lower sphere 5.1.1 and stud shaft 5.1.2; Lower sphere 5.1.1 is installed together by screw 5.2 and lower fixing body 5.3 by described upper fixing body 5.4; Described stud shaft 5.1.2 passes through and is fixed on swing frame 4 by locking nut 7 in the mounting hole 4.4 on swing frame 4; Axle sleeve 4.2 sliding axle 11 be positioned on swing frame 4 is arranged on bearing bracket 10 by bearing 14, and described bearing bracket 10 is fixed on support 1.1; Described swing frame 4 is furnished with and regulates counterweight 12.
As Figure 1 and Figure 4, it is triangular in shape that described bottom sealing socket 3.1 is provided with convex seal 3.1.1; It is corresponding with convex seal 3.1.1 triangle that upper seal support 3.2 is provided with recessed seal groove 3.2.1, groove 3.2.2 is provided with in recessed seal groove 3.2.1, closely cooperate because upper-lower seal seat adopts corresponding triangle body shape to reach, be provided with groove 3.2.2 in recessed seal groove 3.2.1 serve differential pressure sealing and prevent the root of the convex seal 3.1.1 on bottom sealing socket 3.1 and recessed seal groove 3.2.1 from withstanding simultaneously, reach sealing pair 3 and press tighter and tighter object.
As shown in Figure 1, shown in Figure 5, described swing frame 4 is provided with stud 4.1, axle sleeve 4.2, middle screw 4.3, mounting hole 4.4, perpendicular stud 4.5, side screw 4.6, upper saw pulley 4.7; Described middle screw 4.3 and side screw 4.6 are provided with adjustment screw rod 9, by adjustment screw rod 9, upper seal support 3.2 steadily can be coincide with the bottom sealing socket 3.1 on valve body when closing by movable valve gap 2 and play seal action, movable valve gap 2 can also be made to leave certain amount of freely swinging after sealing pair 3 coincide simultaneously, guarantee that sealing pair 3 is not interfered at the Action of Gravity Field lower stress of swing frame 4, because the quality on swing frame 4 is all delivered to by univesal sphere axle assembly 5 on the central position of movable valve gap 5, to reach best sealing effect; When system normally operates in negative pressure state, it needs micro positive pressure to open, and can be locked on stud 4.1 by adjustment weight 12 quantity as required by nut 13, now perpendicular stud 4.5 is not established and regulates weight 12; When system normally operates in barotropic state, its cracking pressure is far above normally using pressure, under the maximum service pressure that normally can use according to system, weight required on swing frame 4 is calculated by mechanical seal end surface specific pressure formula, again adjustment weight 12 quantity is as required fixed on perpendicular stud 4.5, now stud 4.1 is not established and regulate weight 12.
As shown in Figure 1, described movable valve gap 2 is made up of cover plate 2.1, refractory layer 2.2 and thermal-protective coating 2.3, reaches the serviceability temperature that heat insulation and resistance to fire action improves removable cover 2.
As shown in Figure 1, in described valve body 1, be provided with refractory insulating layer 1.3, reach the serviceability temperature that heat insulation and resistance to fire action improves valve body 1; Described valve body 1 is provided with leading truck 6 and is limited in corresponding range of movement by the upper saw pulley 4.7 on swing frame 4 and swing, and prevents the excessive fault that can not automatically recover that causes of movable valve gap 2 opening angle from occurring.
As shown in Figure 1, Figure 3, in described lower fixing body 5.3, be provided with recessed ball 5.3.1, in described upper fixing body 5.4, be provided with fovea superior ball 5.4.1; Lower sphere 5.1.1 on described ball axle 5.1 is arranged in recessed ball 5.3.1 and fovea superior ball 5.4.1 and does corresponding activity, guarantee that ball axle 5.1 has the object that freely swings in a small amount in upper fixing body 5.4 and lower fixing body 5.3, described lower fixing body 5.3 is arranged on the middle part of movable valve gap 2, and the active force that ball axle 5.1 is transmitted is in the central position of movable valve gap 2.
Claims (6)
1. adjustable Decompression valves, it comprises valve body (1) and adjustable counter balance (12), it is characterized in that: valve body (1) is provided with upper valve base (1.2) and support (1.1), be positioned at upper valve base (1.2) and be provided with sealing pair (3); Described sealing pair (3) is made up of bottom sealing socket (3.1) and upper seal support (3.2), described bottom sealing socket (3.1) is fixed on upper valve base (1.2), and described upper seal support (3.2) is fixed on movable valve gap (2); Described movable valve gap (2) is installed together by bolt (8) and univesal sphere axle assembly (5); Described univesal sphere axle assembly (5) is made up of ball axle (5.1), upper fixing body (5.4) and lower fixing body (5.3), described ball axle (5.1) is provided with lower sphere (5.1.1) and stud shaft (5.1.2), and lower sphere (5.1.1) is installed together by screw (5.2) and lower fixing body (5.3) by described upper fixing body (5.4); Described stud shaft (5.1.2) passes through in the mounting hole (4.4) on swing frame (4) and is fixed on swing frame (4) by locking nut (7), axle sleeve (4.2) sliding axle (11) be positioned on swing frame (4) is arranged on bearing bracket (10) by bearing (14), and described bearing bracket (10) is fixed on support (1.1); Described swing frame (4) is furnished with adjustment counterweight (12).
2. adjustable Decompression valves according to claim 1, is characterized in that: it is triangular in shape that described bottom sealing socket (3.1) is provided with convex seal (3.1.1); It is corresponding with convex seal (3.1.1) triangle that upper seal support (3.2) is provided with recessed seal groove (3.2.1), is provided with groove (3.2.2) in recessed seal groove (3.2.1).
3. adjustable Decompression valves according to claim 1, is characterized in that: described swing frame (4) is provided with stud (4.1), axle sleeve (4.2), middle screw (4.3), mounting hole (4.4), perpendicular stud (4.5), side screw (4.6), upper saw pulley (4.7).
4. adjustable Decompression valves according to claim 1, is characterized in that: described movable valve gap (2) is made up of cover plate (2.1), refractory layer (2.2) and thermal-protective coating (2.3).
5. adjustable Decompression valves according to claim 1, it is characterized in that: be provided with refractory insulating layer (1.3) in described valve body (1), described valve body (1) is provided with leading truck (6) and the upper saw pulley (4.7) on swing frame (4) is limited corresponding range of movement.
6. adjustable Decompression valves according to claim 1, it is characterized in that: in described lower fixing body (5.3), be provided with recessed ball (5.3.1), in described upper fixing body (5.4), be provided with fovea superior ball (5.4.1); Lower sphere (5.1.1) on described ball axle (5.1) is arranged in recessed ball (5.3.1) and fovea superior ball (5.4.1) and does corresponding activity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510741958.0A CN105333188A (en) | 2015-10-31 | 2015-10-31 | Adjustable pressure release valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510741958.0A CN105333188A (en) | 2015-10-31 | 2015-10-31 | Adjustable pressure release valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105333188A true CN105333188A (en) | 2016-02-17 |
Family
ID=55283887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510741958.0A Pending CN105333188A (en) | 2015-10-31 | 2015-10-31 | Adjustable pressure release valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105333188A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090366A (en) * | 2016-06-20 | 2016-11-09 | 宝钢工程技术集团有限公司 | The automatic open close of adjustable gravity seals air bleeding valve and using method thereof |
| CN110566923A (en) * | 2019-09-26 | 2019-12-13 | 中国恩菲工程技术有限公司 | Explosion-proof door of exhaust-heat boiler |
| CN110792821A (en) * | 2019-01-15 | 2020-02-14 | 王欣 | Weight lever type safety valve |
| CN110566923B (en) * | 2019-09-26 | 2024-06-11 | 中国恩菲工程技术有限公司 | Explosion door of waste heat boiler |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5856849U (en) * | 1981-10-14 | 1983-04-18 | 住友金属工業株式会社 | Bleeder valve for blast furnace |
| CN2609934Y (en) * | 2003-04-11 | 2004-04-07 | 石家庄三环阀门股份有限公司 | Blast furnace gas diffusion valve |
| CN2719851Y (en) * | 2004-07-12 | 2005-08-24 | 石家庄三环阀门股份有限公司 | Blast furnace up-down sealing valve |
| CN102506206A (en) * | 2011-11-23 | 2012-06-20 | 石家庄阀门一厂股份有限公司 | Bleeding valve realizing sealing effect by adopting magnetic force and gravity of valve cap |
| CN202768971U (en) * | 2012-09-10 | 2013-03-06 | 江苏江洲阀门制造有限公司 | Plunger type pressure release valve with pressure regulation block |
| CN205618756U (en) * | 2015-10-31 | 2016-10-05 | 瑞安市阀门一厂 | Relief valve with adjustable |
-
2015
- 2015-10-31 CN CN201510741958.0A patent/CN105333188A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5856849U (en) * | 1981-10-14 | 1983-04-18 | 住友金属工業株式会社 | Bleeder valve for blast furnace |
| CN2609934Y (en) * | 2003-04-11 | 2004-04-07 | 石家庄三环阀门股份有限公司 | Blast furnace gas diffusion valve |
| CN2719851Y (en) * | 2004-07-12 | 2005-08-24 | 石家庄三环阀门股份有限公司 | Blast furnace up-down sealing valve |
| CN102506206A (en) * | 2011-11-23 | 2012-06-20 | 石家庄阀门一厂股份有限公司 | Bleeding valve realizing sealing effect by adopting magnetic force and gravity of valve cap |
| CN202768971U (en) * | 2012-09-10 | 2013-03-06 | 江苏江洲阀门制造有限公司 | Plunger type pressure release valve with pressure regulation block |
| CN205618756U (en) * | 2015-10-31 | 2016-10-05 | 瑞安市阀门一厂 | Relief valve with adjustable |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090366A (en) * | 2016-06-20 | 2016-11-09 | 宝钢工程技术集团有限公司 | The automatic open close of adjustable gravity seals air bleeding valve and using method thereof |
| CN110792821A (en) * | 2019-01-15 | 2020-02-14 | 王欣 | Weight lever type safety valve |
| CN110792821B (en) * | 2019-01-15 | 2021-06-08 | 王欣 | Weight lever type safety valve |
| CN110566923A (en) * | 2019-09-26 | 2019-12-13 | 中国恩菲工程技术有限公司 | Explosion-proof door of exhaust-heat boiler |
| CN110566923B (en) * | 2019-09-26 | 2024-06-11 | 中国恩菲工程技术有限公司 | Explosion door of waste heat boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160217 |
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| RJ01 | Rejection of invention patent application after publication |