CN204364747U - The automatically controlled safe pressure relief device of low pressure carbon dioxide fire extinguishing systems basin - Google Patents
The automatically controlled safe pressure relief device of low pressure carbon dioxide fire extinguishing systems basin Download PDFInfo
- Publication number
- CN204364747U CN204364747U CN201420767461.7U CN201420767461U CN204364747U CN 204364747 U CN204364747 U CN 204364747U CN 201420767461 U CN201420767461 U CN 201420767461U CN 204364747 U CN204364747 U CN 204364747U
- Authority
- CN
- China
- Prior art keywords
- pressure
- basin
- electrically
- valve
- safety valve
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses the automatically controlled safe pressure relief device of a kind of low pressure carbon dioxide fire extinguishing systems basin, described basin is connected with two safety valves in parallel by basin pressure release adapter, described safety valve is connected with relief tube, described automatically controlled safe pressure relief device comprises pressure detection mechanism, controller and electrically-controlled valve, described electrically-controlled valve to be taken over basin pressure release by bypass pipe and is connected, and it is in parallel with described safety valve, described electrically-controlled valve is connected with relief tube, and described pressure detection mechanism and electrically-controlled valve are electrically connected with controller respectively.The utility model is by arranging the electrically-controlled valve in parallel with safety valve, the opening pressure of electrically-controlled valve is made to be greater than the higher limit of basin service pressure and to be less than the lower limit of safety valve service pressure, like this, removal is opened by electrically-controlled valve when basin superpressure, and safety valve can not action, thus tight and produces trace leakage because returning seat after avoiding safety valve to open.Only have when automatically controlled safe pressure relief device lost efficacy, just need safety valve action, the pressure of removal basin.
Description
Technical field
The utility model belongs to fire-fighting equipment technical field, particularly the automatically controlled safe pressure relief device of a kind of low pressure carbon dioxide fire extinguishing systems basin.
Background technology
Low pressure carbon dioxide fire extinguishing systems basin is the same with general liquid carbon dioxide basin, all belong to pressure vessel category, under special circumstances, in basin, pressure constantly raises, the limit is born when what exceed basin, basin can be caused to explode, bring serious security incident, therefore safety valve is absolutely necessary annex.The safety valve that present carbon dioxide basin configures is generally spring loaded safety valve, and when pressure reaches its set-pressure, safety valve is opened, and the pressure in release basin, prevents the security incident that the blast of basin brings; Meanwhile, when pressure in basin is reduced to the blow pressure of safety valve, automatic-closing safety valve, ensures that the carbon dioxide in basin is not discharged in a large number, meets normal use.
But the ubiquitous situation of present safety valve is, when safety valve blowback is closed, often there is trace and reveal, operate there being people or reveal insensitive place to trace, the situation that safety valve blowback is not closed completely does not affect normal use.For low pressure carbon dioxide fire extinguishing systems, it is full automatic working method, and micro-leakage can cause the carbon dioxide in basin constantly to reduce, and does not reach the carbon dioxide storage amount that fire extinguishing needs.Present low pressure carbon dioxide fire extinguishing systems, adopts the mode of this safety valve just, often occurs that safety valve blowback is not closed completely, the low warning of system storage capacity, artificial supplementation must fill carbon dioxide extinguishing agent, ensures the service behaviour of system.
Utility model content
Goal of the invention of the present utility model is: for above-mentioned Problems existing, there is provided one reliably to close after excess pressure, to ensure the automatically controlled safe pressure relief device of low pressure carbon dioxide fire extinguishing systems basin that low pressure carbon dioxide fire extinguishing systems works reliably and with long-term releasing in basin.
The technical solution adopted in the utility model is such: the automatically controlled safe pressure relief device of low pressure carbon dioxide fire extinguishing systems basin, described basin is connected with two safety valves in parallel by basin pressure release adapter, described safety valve is connected with relief tube, it is characterized in that: described automatically controlled safe pressure relief device comprises pressure detection mechanism, controller and electrically-controlled valve, described electrically-controlled valve to be taken over basin pressure release by bypass pipe and is connected, and it is in parallel with described safety valve, described electrically-controlled valve is connected with relief tube, described pressure detection mechanism and electrically-controlled valve are electrically connected with controller respectively, the opening pressure of described electrically-controlled valve should be greater than the higher limit of basin service pressure and be less than the lower limit of safety valve service pressure.
The automatically controlled safe pressure relief device of low pressure carbon dioxide fire extinguishing systems basin described in the utility model, pressure detection mechanism described in it is pressure sensor or electro connecting pressure gauge, and described pressure detection mechanism is for taking the pressure in basin and signal being passed to controller.
The automatically controlled safe pressure relief device of low pressure carbon dioxide fire extinguishing systems basin described in the utility model, electrically-controlled valve described in it is magnetic valve or motor-driven valve.
The utility model is by arranging the electrically-controlled valve in parallel with safety valve, the opening pressure of electrically-controlled valve is made to be greater than the higher limit of basin service pressure and to be less than the lower limit of safety valve service pressure, like this, removal is opened by electrically-controlled valve when basin superpressure, and safety valve can not action, thus tight and produces trace leakage because returning seat after avoiding safety valve to open.Only have when automatically controlled safe pressure relief device lost efficacy, just need safety valve action, the pressure of removal basin, i.e. the duty of existing CO2 extinguishment system basin.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is fundamental diagram of the present utility model.
Mark in figure: 1 is basin, 2 is basin pressure release adapter, and 3 is safety valve, and 4 is relief tube, and 5 is pressure detection mechanism, and 6 is controller, and 7 is electrically-controlled valve, and 8 is bypass pipe.
Detailed description of the invention
below in conjunction with accompanying drawing, the utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As illustrated in fig. 1 and 2, the automatically controlled safe pressure relief device of low pressure carbon dioxide fire extinguishing systems basin, described basin 1 is connected with two safety valves 3 in parallel by basin pressure release adapter 2, described safety valve 3 is connected with relief tube 4, described automatically controlled safe pressure relief device comprises pressure detection mechanism 5, controller 6 and electrically-controlled valve 7, described electrically-controlled valve 7 is connected with basin pressure release adapter 2 by bypass pipe 8, and it is in parallel with described safety valve 3, described electrically-controlled valve 7 is connected with relief tube 4, described pressure detection mechanism 5 and electrically-controlled valve 7 are electrically connected with controller 6 respectively, the opening pressure of described electrically-controlled valve 7 should be greater than the higher limit of basin 1 service pressure and be less than the lower limit of safety valve 3 service pressure.
Wherein, described pressure detection mechanism 5 is pressure sensor or electro connecting pressure gauge, and described pressure detection mechanism 5 is for taking the pressure in basin 1 and signal being passed to controller 6, and described electrically-controlled valve 7 is magnetic valve or motor-driven valve.
Operation principle of the present utility model is: by national standard basin service pressure at 1.9MPa ~ 2.1MPa, and the opening pressure of safety valve is at 2.26MPa ~ 2.5MPa, and the blow pressure of safety valve is at 2.15MPa.Choose the opening pressure of electrically-controlled valve at 2.25MPa, blow pressure is at 2.15MPa.Take the pressure signal in basin to pass to controller by pressure sensor, controller computing obtains force value, and judges to output signal to electrically-controlled valve, controls electrically-controlled valve and opens, closes, and namely when pressure reaches 2.25MPa, controls electrically-controlled valve and opens; When pressure drops to 2.15MPa, control electrically-controlled valve and close.
Wherein, described pressure sensor can adopt electro connecting pressure gauge to replace, and described electro connecting pressure gauge is the parts with switching function, therefore also can be powered to electrically-controlled valve by battery by electro connecting pressure gauge, controls it and opens or close.
Therefore, the superpressure of basin opens removal by electrically-controlled valve, and safety valve can not action, safety valve blowback also would not occur and sternly do not produce trace and reveal.Only have when automatically controlled safe pressure relief device lost efficacy, just need safety valve action, the pressure of removal basin, namely without the duty of this automatically controlled safe pressure relief device.
The utility model reliably can close pressure relief device after excess pressure releasing in basin, carbon dioxide in basin can not too much be discharged, therefore often artificial supplementation need not fill carbon dioxide extinguishing agent, ensure that working reliably and with long-term of low pressure carbon dioxide fire extinguishing systems.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (3)
1. the automatically controlled safe pressure relief device of low pressure carbon dioxide fire extinguishing systems basin, described basin (1) is connected with two safety valves (3) in parallel by basin pressure release adapter (2), described safety valve (3) is connected with relief tube (4), it is characterized in that: described automatically controlled safe pressure relief device comprises pressure detection mechanism (5), controller (6) and electrically-controlled valve (7), described electrically-controlled valve (7) is taken over (2) by bypass pipe (8) with basin pressure release and is connected, and it is in parallel with described safety valve (3), described electrically-controlled valve (7) is connected with relief tube (4), described pressure detection mechanism (5) and electrically-controlled valve (7) are electrically connected with controller (6) respectively, the opening pressure of described electrically-controlled valve (7) should be greater than the higher limit of basin (1) service pressure and be less than the lower limit of safety valve (3) service pressure.
2. the automatically controlled safe pressure relief device of low pressure carbon dioxide fire extinguishing systems basin according to claim 1, it is characterized in that: described pressure detection mechanism (5) is pressure sensor or electro connecting pressure gauge, described pressure detection mechanism (5) is for taking the pressure in basin (1) and signal being passed to controller (6).
3. the automatically controlled safe pressure relief device of low pressure carbon dioxide fire extinguishing systems basin according to claim 1 and 2, is characterized in that: described electrically-controlled valve (7) is magnetic valve or motor-driven valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420767461.7U CN204364747U (en) | 2014-12-09 | 2014-12-09 | The automatically controlled safe pressure relief device of low pressure carbon dioxide fire extinguishing systems basin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420767461.7U CN204364747U (en) | 2014-12-09 | 2014-12-09 | The automatically controlled safe pressure relief device of low pressure carbon dioxide fire extinguishing systems basin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204364747U true CN204364747U (en) | 2015-06-03 |
Family
ID=53321001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420767461.7U Expired - Fee Related CN204364747U (en) | 2014-12-09 | 2014-12-09 | The automatically controlled safe pressure relief device of low pressure carbon dioxide fire extinguishing systems basin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204364747U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104368110A (en) * | 2014-12-09 | 2015-02-25 | 四川威特龙消防设备有限公司 | Electronic control safety pressure relief device of storage tank of low-pressure carbon dioxide extinguishing system |
| CN109675240A (en) * | 2019-02-21 | 2019-04-26 | 威特龙消防安全集团股份公司 | Critical state carbon-dioxide fire engine equipment |
-
2014
- 2014-12-09 CN CN201420767461.7U patent/CN204364747U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104368110A (en) * | 2014-12-09 | 2015-02-25 | 四川威特龙消防设备有限公司 | Electronic control safety pressure relief device of storage tank of low-pressure carbon dioxide extinguishing system |
| CN104368110B (en) * | 2014-12-09 | 2017-02-22 | 威特龙消防安全集团股份公司 | Electronic control safety pressure relief device of storage tank of low-pressure carbon dioxide extinguishing system |
| CN109675240A (en) * | 2019-02-21 | 2019-04-26 | 威特龙消防安全集团股份公司 | Critical state carbon-dioxide fire engine equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FI2854956T3 (en) | Electrically operated gas vents for fire protection sprinkler systems and related methods | |
| CN204364747U (en) | The automatically controlled safe pressure relief device of low pressure carbon dioxide fire extinguishing systems basin | |
| CN202547892U (en) | Device for detecting pipeline water leakage | |
| CN203790497U (en) | Fire pump operating state monitoring device | |
| CN106870942B (en) | Pipe pressure type explosion-proof valve | |
| CN101824998B (en) | Double-direction relief damper | |
| CN104368110A (en) | Electronic control safety pressure relief device of storage tank of low-pressure carbon dioxide extinguishing system | |
| CN203303543U (en) | Wet-type automatic water sprinkling extinguisher | |
| CN203732253U (en) | Pressure switch detection device | |
| CN102679561A (en) | Seepage preventing device for water storage container | |
| CN104696584B (en) | Water automatic prompting device based on buoyancy control | |
| CN203548873U (en) | Safety interlocking device for quick opening blind plate | |
| CN201500407U (en) | Foam spraying fire-extinguishing device | |
| CN202598866U (en) | Anti-seepage device for water storage container | |
| CN204852759U (en) | Drainage device that leaks of valve drenches | |
| CN205182034U (en) | Mine is with initiative fire extinguishing systems | |
| CN204815456U (en) | Special fire extinguisher in magnetic resonance examination room | |
| CN207906860U (en) | Nitrogen system | |
| CN204187063U (en) | A kind of pressure safety valve | |
| CN107956910A (en) | Intelligent running water protective device | |
| WO2014123695A3 (en) | Automatic switching device for a breathing apparatus with an alarm-relief function and automatic reset | |
| CN106621155A (en) | A household special-purpose intelligent fire-fighting system | |
| CN205742370U (en) | A kind of intelligent fire bolt of SMS-Based short message state notice | |
| CN205182038U (en) | Closed foam - water spray set | |
| CN203545943U (en) | Backflow preventing device for desulfurization and oxygen injection of naphtha |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150603 Termination date: 20161209 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |