CN109386636A - Actively with the difunctional pressure relief device that is passively combined - Google Patents
Actively with the difunctional pressure relief device that is passively combined Download PDFInfo
- Publication number
- CN109386636A CN109386636A CN201710674510.0A CN201710674510A CN109386636A CN 109386636 A CN109386636 A CN 109386636A CN 201710674510 A CN201710674510 A CN 201710674510A CN 109386636 A CN109386636 A CN 109386636A
- Authority
- CN
- China
- Prior art keywords
- valve body
- rupture disk
- pressure
- rupture
- difunctional
- 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
- 230000005284 excitation Effects 0.000 claims abstract description 28
- 230000005611 electricity Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000004880 explosion Methods 0.000 claims description 5
- 238000001727 in vivo Methods 0.000 claims description 3
- 239000000956 alloy Substances 0.000 description 10
- 229910045601 alloy Inorganic materials 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 238000005474 detonation Methods 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000009172 bursting Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000013467 fragmentation Methods 0.000 description 2
- 238000006062 fragmentation reaction Methods 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
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
- F16K17/14—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side with fracturing member
- F16K17/16—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side with fracturing member with fracturing diaphragm ; Rupture discs
- F16K17/162—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side with fracturing member with fracturing diaphragm ; Rupture discs of the non reverse-buckling-type
-
- 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
- F16K17/36—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position
- F16K17/38—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position of excessive temperature
-
- 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
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0091—For recording or indicating the functioning of a valve in combination with test equipment by measuring fluid parameters
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
Abstract
The present invention relates to a kind of actives and the difunctional pressure relief device passively combined, realize that pressure difference releases, realizes under set temperature and actively release under the conditions of mainly solving the problems, such as to cannot be considered in terms of in the prior art passively.The present invention is by using a kind of active and the difunctional pressure relief device that is passively combined, including valve body, rupture disk, pressure ring, connector, thermocouple assembly, electronic control unit and fixed point excitation structure, described valve body one end is connected to leakage path, leakage path outlet is equipped with rupture disk, rupture disk is held between pressure ring and the upper surface of valve body, connector is compressed on pressure ring and is fixedly connected with the valve body, thermocouple assembly is fixed on body wall, the technical solution for the rupture that the fixed point excitation structure is able to achieve rupture disk preferably solves the above problem, it can be used in overpressure relief.
Description
Technical field
The present invention relates to a kind of actives and the difunctional pressure relief device that is passively combined.
Background technique
The long-tube trailer pressure relief device of existing application includes: rupture disk component and fusible plug, and explosion chip architecture is solid
It is scheduled on the inside of valve body, fusible plug is connected on the outside of rupture disk, and the extrusion pressure of fusible plug is lower than bursting pressure of bursting sheet.
This structure causes fusible plug to lose the effect opened at a certain temperature, can only play quick-fried under the differential pressure action of setting
The purpose that fragmentation is opened.When long-tube trailer is in fire working, although to be not up to rupture disk quick-fried for storage pressure in long-tube trailer
Broken pressure, but this dangerous working condition needs fusible plug and rupture disk to open in time, to achieve the purpose that safety relief medium.But
It is that existing result is unable to satisfy such demand.
Current rupture disk combines in bleeder with fusible plug, and detonation releases pressure lower than quick-fried under easy fusing alloy plug room temperature
The pressure of releasing of fragmentation, when pressure reach rupture disk release pressure when, rupture disk explosion, almost simultaneously easy fusing alloy plug also with
Detonation.And after environment temperature is more than the fusion temperature of easy fusing alloy plug, easy fusing alloy plug fusing, but rupture disk is because of pressure
Not up to Initiation Pressure and it is intact, combination unit fail to detonate in time under high temperature environment, Yi Yinqi releases slowly, to occur
High-voltage safety accident.
So, it would be highly desirable to it proposes that one kind can realize that pressure difference is released under the conditions of passive, can also realize master at a set temperature
The dynamic pressure relief device suitable for long-tube trailer gas cylinder released.
Summary of the invention
The technical problem to be solved by the present invention is to realization pressure differences under the conditions of cannot be considered in terms of in the prior art passively to release, set
Determine to realize the problem of actively releasing at temperature, the new active of one kind and the difunctional pressure relief device passively combined are provided.It should
Method realizes that pressure difference releases, realizes under set temperature and actively release under the conditions of having the advantages that take into account passively.
To solve the above problems, The technical solution adopted by the invention is as follows: a kind of active with passively combined it is difunctional super
Press bleeder, including valve body, rupture disk, pressure ring, connector, thermocouple assembly, electronic control unit and fixed point excitation structure, the valve
Body one end is connected to leakage path, and leakage path outlet is equipped with rupture disk, rupture disk be held on pressure ring and valve body upper surface it
Between, connector is compressed on pressure ring and is fixedly connected with the valve body, and thermocouple assembly is fixed on body wall, can acquire in valve body and be situated between
The temperature signal of matter, thermocouple assembly are connected by automatically controlled conducting wire and the data input pin of electronic control unit, the data of electronic control unit
Output end is connect by automatically controlled conducting wire with fixed point excitation structure, and the fixed point excitation structure is able to achieve the rupture of rupture disk.
In above-mentioned technical proposal, it is preferable that the signal for the valve in-vivo medium that the temperature element will test is transmitted to electricity
Unit is controlled, the electronic control unit analyzes temperature signal, and when temperature is higher than the explosion temperature of setting, the electronic control unit passes through electricity
Conduct line triggering fixed point excitation structure, the fixed point excitation structure forces rupture disk rupture, and then valve body is connected with extraneous, is
Medium provides leakage path in long-tube trailer.
In above-mentioned technical proposal, it is preferable that electronic control unit includes the high-frequency data acquisition structure and power supply of Electricity Federation, the control
Circuit processed can be according to the execution for the temperature signal control fixed point excitation structure that temperature element acquires.
In above-mentioned technical proposal, it is preferable that when pressure is not up to the burst pressure of rupture disk, and temperature in container and valve body
When the temperature value not up to set, rupture disk does not rupture.
In above-mentioned technical proposal, it is preferable that when pressure reaches the burst pressure of rupture disk in valve body, rupture disk rupture.
In above-mentioned technical proposal, it is preferable that when pressure is not up to the burst pressure of rupture disk in valve body, thermocouple assembly
By temperature signal real-time Transmission in collected valve body to electronic control unit, electronic control unit analyzes the temperature signal, when in valve body
When medium temperature reaches the temperature value of setting, electronic control unit triggers fixed point excitation structure, fixed point excitation knot by automatically controlled conducting wire
Structure forces rupture disk rupture, provides leakage path for medium, so that medium be released away in Initial Stage of Fire.
In above-mentioned technical proposal, it is preferable that rupture disk is positive arch form.
In above-mentioned technical proposal, it is preferable that the valve body other end is connected to long-tube trailer.
Using the method for this patent, when pressure is not up to the burst pressure of domed rupture disk, and temperature in container and valve body
When the temperature value that degree is not up to set, domed rupture disk does not rupture.When pressure reaches the quick-fried of domed rupture disk in valve body
When broken pressure, domed rupture disk rupture.When pressure is not up to the burst pressure of domed rupture disk in valve body, thermocouple group
Temperature signal real-time Transmission in collected valve body to electronic control unit, electronic control unit are analyzed the temperature signal, work as valve body by part
When interior medium temperature reaches the temperature value of setting, electronic control unit triggers fixed point excitation structure, fixed point excitation by automatically controlled conducting wire
The rupture of construction forces domed rupture disk, provides leakage path for medium, so that medium be released away in Initial Stage of Fire.It is main
It is dynamic to realize the requirement of releasing using pressure and temperature as parameter attribute with the dual drainage method passively combined, it achieves preferably
Technical effect.
Detailed description of the invention
Fig. 1 is the flow diagram of the method for the invention.
In Fig. 1,1 valve body；2 pressure rings；3 domed rupture disks；4 connectors；5 thermocouple assemblies；6 electronic control unit；7 automatically controlled lead
Line；8 fixed point excitation structures.
Fig. 2 is comparative example attached drawing.
In Fig. 2,1 valve seat, 2 copper washer, 3 positive 4 rupture disk edge of arch rupture disk 5 pressure ring, 6 fastening nut, 7 leakage path 8
Easy fusing alloy plug.
The present invention will be further described below by way of examples, but is not limited only to the present embodiment.
Specific embodiment
[embodiment 1]
A kind of active and the difunctional pressure relief device passively combined, as shown in Figure 1, include (1) valve body, (2) pressure ring,
(3) domed rupture disk, (4) connector, (5) thermocouple assembly, (6) electronic control unit, (7) automatically controlled conducting wire and (8) fixed point excitation knot
Structure composition.The pressure relief device forms temperature by (5) thermocouple assembly and (6) electronic control unit and measures circuit: (5) thermocouple
Component is fixed on the side wall of (1) valve body, can acquire the intracorporal temperature signal of (1) valve in real time.Thermocouple assembly passes through (7) electricity
Conduct line is connect with the data input pin of (6) electronic control unit, and the data output end of (6) electronic control unit is led by the way that (7) are automatically controlled
Line is connect with (8) fixed point excitation structure, and (8) fixed point excitation structure is able to achieve the rupture of (3) domed rupture disk.
(6) electronic control unit includes the high-frequency data acquisition structure of Electricity Federation and power supply, the control circuit can be according to survey
The execution of temperature signal control (8) the fixed point excitation structure of warm element acquisition.
Using described in the present embodiment actively with the difunctional pressure relief device that is passively combined the following steps are included:
When pressure is not up to the burst pressure of (3) domed rupture disk, and temperature not up to setting in container and (1) valve body
Temperature value when, (3) domed rupture disk does not rupture.When pressure reaches the burst pressure of (3) domed rupture disk in valve body
When, the rupture of (3) domed rupture disk.When pressure is not up to the burst pressure of (3) domed rupture disk in valve body, (5) thermoelectricity
For even component by temperature signal real-time Transmission in collected valve body to (6) electronic control unit, (6) electronic control unit analyzes the temperature letter
Number, when medium temperature reaches the temperature value of setting in valve body, (6) electronic control unit is swashed by automatically controlled conducting wire triggering (8) fixed point
Structure is sent out, (8) pinpoint excitation structure and force the rupture of (3) domed rupture disk, leakage path is provided for medium, thus at the beginning of fire
Phase releases away medium.Actively realize with the dual drainage method passively combined using pressure and temperature as parameter attribute
Requirement of releasing.
Using the method for this patent, when pressure is not up to the burst pressure of domed rupture disk, and temperature in container and valve body
When the temperature value that degree is not up to set, domed rupture disk does not rupture.When pressure reaches the quick-fried of domed rupture disk in valve body
When broken pressure, domed rupture disk rupture.When pressure is not up to the burst pressure of domed rupture disk in valve body, thermocouple group
Temperature signal real-time Transmission in collected valve body to electronic control unit, electronic control unit are analyzed the temperature signal, work as valve body by part
When interior medium temperature reaches the temperature value of setting, electronic control unit triggers fixed point excitation structure, fixed point excitation by automatically controlled conducting wire
The rupture of construction forces domed rupture disk, provides leakage path for medium, so that medium be released away in Initial Stage of Fire.It is main
It is dynamic to realize the requirement of releasing using pressure and temperature as parameter attribute with the dual drainage method passively combined, it achieves preferably
Technical effect.
[comparative example]
The prior art is as shown in Fig. 2, include valve seat, copper washer, positive arch rupture disk, rupture disk edge, pressure ring, fastening
Nut, leakage path easy fusing alloy plug.
Detonation pressure of releasing is slightly below the pressure of releasing of positive arch rupture disk (3) under easy fusing alloy plug (8) room temperature, works as pressure
Reach positive arch rupture disk (3) release pressure when, easy fusing alloy plug (8) also and then detonate.And when environment temperature is more than meltable
After the fusion temperature of alloy plug (8), easy fusing alloy plug (8) fusing, but positive arch rupture disk (3) is intact, and combination unit fails
It detonates in time under hot environment, easily causes and release slowly, so that high-voltage safety accident occur.
Claims (8)
1. a kind of active and the difunctional pressure relief device passively combined, including valve body, rupture disk, pressure ring, connector, thermocouple
Component, electronic control unit and fixed point excitation structure, described valve body one end are connected to leakage path, and leakage path outlet is equipped with explosion
Piece, rupture disk are held between pressure ring and the upper surface of valve body, and connector is compressed on pressure ring and is fixedly connected with the valve body, thermocouple
Component is fixed on body wall, can acquire the temperature signal of valve in-vivo medium, thermocouple assembly by automatically controlled conducting wire with it is automatically controlled
The data input pin of unit connects, and the data output end of electronic control unit is connect by automatically controlled conducting wire with fixed point excitation structure, described
Fixed point excitation structure is able to achieve the rupture of rupture disk.
2. according to claim 1 actively with the difunctional pressure relief device that is passively combined, it is characterised in that the thermometric
The signal for the valve in-vivo medium that element will test is transmitted to electronic control unit, and the electronic control unit analyzes temperature signal, works as temperature
Higher than setting explosion temperature when, the electronic control unit passes through automatically controlled conducting wire triggering fixed point excitation structure, and fixed point excitation is tied
Structure forces rupture disk rupture, and then by valve body and extraneous conducting, provides leakage path for medium in long-tube trailer.
3. according to claim 1 actively with the difunctional pressure relief device that is passively combined, it is characterised in that electronic control unit
High-frequency data acquisition structure and power supply including Electricity Federation, the temperature signal that the control circuit can be acquired according to temperature element control
Pinpoint the execution of excitation structure.
4. according to claim 1 actively with the difunctional pressure relief device that is passively combined, it is characterised in that when container and
Pressure is not up to the burst pressure of rupture disk in valve body, and when temperature is not up to the temperature value set, rupture disk does not rupture.
5. according to claim 1 actively with the difunctional pressure relief device that is passively combined, it is characterised in that when in valve body
When pressure reaches the burst pressure of rupture disk, rupture disk rupture.
6. according to claim 1 actively with the difunctional pressure relief device that is passively combined, it is characterised in that when in valve body
When pressure is not up to the burst pressure of rupture disk, thermocouple assembly is by temperature signal real-time Transmission in collected valve body to automatically controlled
Unit, electronic control unit analyzes the temperature signal, and when medium temperature reaches the temperature value of setting in valve body, electronic control unit is logical
Automatically controlled conducting wire triggering fixed point excitation structure is crossed, fixed point excitation structure forces rupture disk rupture, provides leakage path for medium, thus
Medium is released away in Initial Stage of Fire.
7. according to claim 1 actively with the difunctional pressure relief device that is passively combined, it is characterised in that rupture disk is
Positive arch form.
8. according to claim 1 actively with the difunctional pressure relief device that is passively combined, it is characterised in that valve body is another
End is connected to long-tube trailer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710674510.0A CN109386636A (en) | 2017-08-09 | 2017-08-09 | Actively with the difunctional pressure relief device that is passively combined |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710674510.0A CN109386636A (en) | 2017-08-09 | 2017-08-09 | Actively with the difunctional pressure relief device that is passively combined |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109386636A true CN109386636A (en) | 2019-02-26 |
Family
ID=65415147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710674510.0A Pending CN109386636A (en) | 2017-08-09 | 2017-08-09 | Actively with the difunctional pressure relief device that is passively combined |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109386636A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117443288A (en) * | 2022-07-18 | 2024-01-26 | 中国石油化工股份有限公司 | Collection devices and relief systems for relief systems |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4195745A (en) * | 1978-02-13 | 1980-04-01 | The United States Of America As Represented By The Secretary Of The Army | Thermally sensitive pressure release assembly for sealed pressurized vessel |
| CN102401162A (en) * | 2010-09-19 | 2012-04-04 | 上海华理安全装备有限公司 | Temperature and pressure double-acting explosion-proof device |
| CN203146951U (en) * | 2013-03-23 | 2013-08-21 | 大连理工安全装备有限公司 | Rupture disk device for long pipe trailer |
| CN103574114A (en) * | 2013-10-29 | 2014-02-12 | 大连理工大学 | Active and passive dual-function overpressure relief device and overpressure relief method |
| CN204269069U (en) * | 2014-12-24 | 2015-04-15 | 大连理工安全装备有限公司 | A kind of rupture disk monitoring running state device |
| CN206221975U (en) * | 2016-11-23 | 2017-06-06 | 华东理工大学 | A kind of high-pressure natural gas long-tube trailer combined blasting piece safety device |
-
2017
- 2017-08-09 CN CN201710674510.0A patent/CN109386636A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4195745A (en) * | 1978-02-13 | 1980-04-01 | The United States Of America As Represented By The Secretary Of The Army | Thermally sensitive pressure release assembly for sealed pressurized vessel |
| CN102401162A (en) * | 2010-09-19 | 2012-04-04 | 上海华理安全装备有限公司 | Temperature and pressure double-acting explosion-proof device |
| CN203146951U (en) * | 2013-03-23 | 2013-08-21 | 大连理工安全装备有限公司 | Rupture disk device for long pipe trailer |
| CN103574114A (en) * | 2013-10-29 | 2014-02-12 | 大连理工大学 | Active and passive dual-function overpressure relief device and overpressure relief method |
| CN204269069U (en) * | 2014-12-24 | 2015-04-15 | 大连理工安全装备有限公司 | A kind of rupture disk monitoring running state device |
| CN206221975U (en) * | 2016-11-23 | 2017-06-06 | 华东理工大学 | A kind of high-pressure natural gas long-tube trailer combined blasting piece safety device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117443288A (en) * | 2022-07-18 | 2024-01-26 | 中国石油化工股份有限公司 | Collection devices and relief systems for relief systems |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20190226 |