CN201064634Y - Dry type water fire extinguishing system fast exhausting device - Google Patents
Dry type water fire extinguishing system fast exhausting device Download PDFInfo
- Publication number
- CN201064634Y CN201064634Y CNU2007200662267U CN200720066226U CN201064634Y CN 201064634 Y CN201064634 Y CN 201064634Y CN U2007200662267 U CNU2007200662267 U CN U2007200662267U CN 200720066226 U CN200720066226 U CN 200720066226U CN 201064634 Y CN201064634 Y CN 201064634Y
- Authority
- CN
- China
- Prior art keywords
- valve
- dry
- fire
- compressed air
- pipeline
- 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 - Lifetime
Links
Images
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model discloses a rapid exhaust device used in the dry fire fighting system, wherein, a rapid exhaust device is installed on the dry fire fighting system, including an air pressure gauge, an accelerator and two pipe cut-off valves; when the fire occurs and causes the rupture of the spray header in this area, the pressure decreases in the pipe net and an automatic air-supply system supplies compressed air to the pipe; but when the compressed air supplied to the pipe can not meet the need of the pressure required by the system and reaches a set value of the pressure difference change, the rupture of the fire spray header of this area caused by the fire in the involving protecting area is affirmed and a rapid exhaust valve is touched off to exhaust the compressed air out of the pipe rapidly; then the fire water pushes out a pipe valve and gets to the fire site rapidly. In case of fire, the utility model can response rapidly and let the water out to extinguish the fire, so that the system responding time is greatly improved and the utility model is beneficial to the property protection of a company.
Description
Technical field
The utility model relates to a kind of dry fire protection system, relates in particular to a kind of rapid exhaust of dry fire protection system.
Background technology
Dry fire protection system be useful in environment temperature be lower than 4 degrees centigrade or be higher than 70 degrees centigrade be not suitable for installing wet type fire-fighting system place, mainly by sealed sprinkler head, water flow indicator, dry type alarm valve group, and composition such as distributing pipe line, water facilities, air feed facility, voltage stabilizing facility.
Be filled with pressure in the pipeline of place and remain compressed air between 35～40Psi to protecting in dry valve upper end; for fear of the misoperation that causes dry valve because of the gas leakage of the trace of reasons such as pipeline air-tightness; compressed air supply line stable-pressure device can be in the fire protection pipeline pipe network air feed, guarantee the remaining between 35～40Psi of pressure stability in the pipeline all the time.Under the normal condition, manifold pressure is stable remains the water of the pressure sum of compressed air between 35～40Psi and dry valve valve gap own wt greater than 115Psi pressure in the pipe network of dry valve lower end, guarantees that fire water can not back down valve gap and flow ipe.Dry system is by the temperature-sensing element detection of fires of the sealed sprinkler head that is installed in the protection zone.In the scene of a fire, when the hot flue gas that is subjected to fire when the glass envelope of sealed sprinkler head is heated to specified operating temperature, burst under the thermal expansion with portion's working solution within it, the shower nozzle of sealing is opened, finished the open program of sprinkler tip.After sealed sprinkler head is open, compressed air in the pipeline is discharged from the sprinkler tip that bursts glass, after the pressure of pipeline compressed air is less than 29Psi, the water of 115Psi pressure backs down valve gap in the pipe network of dry valve lower end, and valve gap is locked in the position of unlatching, fire water enters pipeline and arrives open shower nozzle place sprinkling fire, and has current valve body warning pipe flow will to report to the police and the warning water system warning to pressure switch.Though dry system has solved the problem in the incompatibility high temperature low temperature place of wet pipe system existence, but owing to when on the alert, there is not water in the distributing pipe line, shower nozzle action back compressed air supply line stable-pressure device also can be in the fire protection pipeline pipe network air feed, but can be less than the compressed air of shower nozzle discharge, system must be a pipeline exhaust water filling process through one when starting, therefore the water spray phenomenon that lags behind appears, can occur being open in the time interval of water spray from sprinkler tip, fire continues to spread, and fire extinguishing brings adverse effect to system.
For the low temperature that prevents winter with the fire fighting water system frost crack pipe, the fire-fighting protection system of open area generally adopts dry fire protection system.Dry fire protection system is in the interior pipeline of open area and is filled with compressed air, the gas that is filled with in the pipe-line system makes valve be in closed condition at ordinary times, when causing this regional fire-fighting spraying head, on-the-spot breaking out of fire breaks, air pressure in the pipe network descends, when dropping to certain numerical value, valve open, water enter pipe network system and the shower nozzle ejection from opening, and carry out fire-extinguishing function concurrently.Through on-the-spot actual test, the time of dry fire protection system water outlet is compared the wet type fire-fighting system and on average has delay about 50 seconds, and is quite unfavorable to the company property in the protection affiliated area.
The utility model content
The technical problems to be solved in the utility model provides a kind of rapid exhaust of dry fire protection system, when this installs breaking out of fire situation at the scene, can move rapidly, and the water outlet fire extinguishing, SRT improves greatly, is beneficial to the protection to company property.
For solving the problems of the technologies described above; the utility model provides a kind of rapid exhaust of dry fire protection system; a pressure pressure test device is installed between dry fire protection system compressed air piping end and dry valve warning delivery outlet; when causing this regional fire-fighting spraying head, on-the-spot breaking out of fire breaks; air pressure in the pipe network descends; automatically air compensating system can replenish compressed air in pipeline; but can not satisfy the pressure requirement of system when the compressed air that in pipeline, replenishes; and when arriving pressure differential and changing setting value; there is fire to cause this regional fire-fighting spraying head to break in the protection zone under assert; will trigger rapid escape valve the compressed air in the pipeline is discharged to dry valve warning delivery outlet fast; push the dry valve valve gap jointly open with fire water, make fire water can arrive spray head rent scene of fire fast and put out a fire.
The rapid exhaust of the utility model dry fire protection system comprises dry valve, compressed air inlet, water filling port, discharge opening, warning delivery outlet, ann test mouth, water pressure table and pressure switch; Wherein, dry valve is connected with compressed air inlet, water filling port, discharge opening, warning delivery outlet, ann test mouth, water pressure table by pipeline; Be provided with valve 1 between compressed air inlet and the dry valve; Be provided with valve 2 between discharge opening and the dry valve; Be provided with valve 3 between water filling port and the dry valve; Be provided with valve 8 between water pressure table and the dry valve; Pressure switch is connected with warning delivery outlet, ann test mouth, is provided with valve 5 and valve 6 between pressure switch and the dry valve; Be provided with valve 7 between ann test mouth and the dry valve; This device also comprises atmospheric pressure table, accelerator and two pipeline shutoff valve valves 9 and valve 10; The atmospheric pressure table is connected with dry valve, is provided with valve 4 between atmospheric pressure table and the dry valve; Valve 9 is connected with the compressed air inlet; Valve 10 is connected with the warning delivery outlet; Accelerator is located between valve 9 and the valve 10.
Described accelerator comprises valve port P, valve port A, valve port T and executive component, and valve port P is connected with described compressed air inlet by described valve 9; Valve port T is connected with described warning delivery outlet by described valve 10; Valve port A is connected with executive component; Described atmospheric pressure table is connected with executive component by pipeline.
When valve port P has the compressed air input, promote the barrier film spool and move to right, valve port P is communicated with valve port A, gives the executive component air feed, blocks the path between valve port P and the valve port T, and the pressure behind the system stability in the pipeline remains between 35～40Psi; When causing the air pressure moment in the pipe network, on-the-spot breaking out of fire descends, the atmospheric pressure table shows when the air pressure change value reaches setting value, the barrier film spool moves to left, block valve port P and valve port A path, open valve port T, valve port A path simultaneously, block compressed air supply line stable-pressure device to valve port P end air feed, the gas of pressure makes gas be discharged to the warning delivery outlet fast by valve port T by valve port A in the fire protection pipeline pipe network, the valve gap that promotes dry valve is opened rapidly, puts out a fire.
Described executive component is a cylinder.
The utlity model has following beneficial effect: 1. the installation of this system is not influence under any function situation of original dry fire protection system, just carries out suitable transformation and install on the pipeline of original system, and installed device is easy, simple, directly perceived.2. the system acting principle is simply effective, simple, easily of method of operating, and the recovery routine behind the system acting is easy.3. during this system breaking out of fire situation at the scene; can move rapidly; before comparing, improves greatly SRT; average reaction time shortened to 6.42 seconds from 44.83 seconds; average reaction time shortens 85.7%; can give full play to the defencive function of fire-fighting system timely and effectively, protect the safety of personnel and company property to greatest extent.4. safeguard and when this system maintenance, maintenance, only need the shutoff valve of pipeline is closed that method of operating is easy at dry system, safeguard, maintenance finishes the back and recovers easy.5. it is very stable, reliable that the back operation is installed by system, never takes place because the fire-fighting dry system misoperation that the own device of system etc. cause.
Description of drawings
Fig. 1 is the structural representation of the rapid exhaust of the utility model dry fire protection system, and wherein, 1-10 is a valve, 11 is dry valve, 12 is the compressed air inlet, and 13 is discharge opening, and 14 is water filling port, 15 is pressure switch, 16 are the warning delivery outlet, and 17 is the ann test mouth, and 18 is the water pressure table, 19 is the atmospheric pressure table, and 20 is accelerator;
Fig. 2 is the schematic cross-section of the rapid exhaust of the utility model dry fire protection system, and wherein P, A, T are the valve port of accelerator;
Fig. 3 is the water discharge time effect contrast schematic diagram of the utility model and prior art.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail.
As shown in Figure 1, the rapid exhaust of the utility model dry fire protection system comprises:
Dry valve 11: be used for disjunction fire water and scene and be filled with compressed-air actuated dry type pipeline, after can dropping to certain numerical value at the system pressure of compressed air end, opens inner valve gap, and be locked in the position of unlatching, fire water enters pipeline and arrives open shower nozzle place sprinkling fire.
Compressed air inlet 12: be connected with dry valve 11 by pipeline, for on-the-spot dry system pipeline and rapid exhaust provide compressed air, front end is equipped with the compressed air stable-pressure device, and the compressed air of steady pressure is provided.
Valve 1: be located between compressed air inlet 12 and the dry valve 11, be used for disjunction compressed air air supply line, it under normal condition normally open, for on-the-spot dry system pipeline and rapid exhaust provide the compressed air of steady pressure, when dry system breaks down, moves back or safeguard, close when overhauling.
Discharge opening 13: be connected with dry valve 11 by pipeline, when system breaks down, moves back recovery system or safeguard, when overhauling, fire water remaining in the pipeline can be discharged.
Valve 2: being located between discharge opening 13 and the dry valve 11, is normally off under the normal condition, when system breaks down, moves back recovery system or safeguard, open in the time of the fire water in the pipeline need being discharged when overhauling.
Water filling port 14: be connected with dry valve 11 by pipeline, under the normal condition, in order to guarantee the safe, stable of air-tightness between dry valve 11 inner valve gaps and the on-the-spot dry system pipeline compressed air and dry system operation, just an amount of water need be above valve gap, injected under the normal condition, an amount of water can be added from here.
Valve 3: being located between water filling port 14 and the dry valve 11, is normally off under the normal condition, is breaking down, moving back recovery system or safeguard, overhaul when finishing and to open need cover the end water filling for dry valve 11 inner valve the time when dry system.
Pressure switch 15: being connected with dry valve 11 by pipeline, is normal pressure (atmospheric pressure) state under the normal condition, has current to pass through after the dry system action, sends alarm signal, signal can be connected to central control room.
Valve 5: being located between pressure switch 15 and the dry valve 11, is normally open under the normal condition, closes when the system failure, Maintenance and Repair maybe need to change gas pressure switch 15.
Valve 6: being located between pressure switch 15 and the dry valve 11, is normally open under the normal condition, closes when the system failure, Maintenance and Repair maybe need to change gas pressure switch 15.
Warning delivery outlet 16: be connected with the inner loop cover of dry valve 11 valve gaps by pipeline, because the inner loop of dry valve 11 valve gaps is with seal washer, so be ready following time in system, its pressure inside is normal pressure (atmospheric pressure), can not be subjected to the influence of valve gap top compressed air and lower end fire water pressure.Break when on-the-spot breaking out of fire causes spray head, the valve gap of dry valve 11 is opened to scene of fire supply fire water, has fire water simultaneously and enters the warning delivery outlet, triggers the pressure switch action, sends Pressure Alarm
Ann test mouth 17: be connected with dry valve 11 valve gap lower ends by pipeline, communicate with the fire water of lower end of duct, by opening ann test mouth 17, have current by pressure switch 15, make pressure switch 15 actions, whether detected pressures switch 15 states are good; Also have water simultaneously and flow out to from ann test mouth 17 in the container of lower end, can detect whether water is arranged.
Valve 7: be normally off under the normal condition, when needs test dry valve pressure switch 15, open.
Water pressure table 18: be connected with dry valve 11 by pipeline, show fire water pressure value in the dry system pipeline.
Valve 8: being located between water pressure table 18 and the dry valve 11, is normally open under the normal condition, closes when needs are changed water pressure table 18.
Above-mentioned parts are that existing dry fire protection system has, and the utility model has increased the rapid exhaust that has constituted the utility model dry fire protection system with lower member on this basis:
1, atmospheric pressure table 19: be connected with dry valve 11 by pipeline, the compressed-air actuated force value in the demonstration rapid exhaust executing agency is used to check system compresses air value and the affirmation system is normal or the state of action.Establishing valve 4 between atmospheric pressure table 19 and dry valve 11, is normally open under these valve 4 normal conditions, when needs are more closed during scavenge pressure table 19.
2, two pipeline shutoff valves (valve 9 and valve 10): valve 9 is connected with compressed air inlet 12, and valve 10 is connected with warning delivery outlet 16, is used for connection/disjunction compressed air supply line and warning output pipe, is normally open under the normal condition; When system failure state or equipment requiring installation and maintenance, close, be convenient to installation, troubleshooting and the Maintenance and Repair of equipment.
3, accelerator 20 (rapid escape valve): be located between two pipeline shutoff valves 9 and 10; After the action of dry fire protection system spray head, accelerator moves after detecting air pressure change when fire takes place, and guarantees to discharge as early as possible the gas in the pipe network, and dry valve is moved as early as possible, and fire water enters the water supply network sprinkling fire smoothly, apace.
Above-mentioned connecting pipe comprises that zero material such as galvanized pipe and elbow is some, constitutes the compressed air gas transfer pipeline together and reports to the police the output gas transfer pipeline.
As shown in Figure 2, accelerator in the rapid exhaust that dry fire protection system is installed has three valve ports: valve port P, valve port A, valve port T, valve port P connects the compressed air inlet, valve port A connects the executive component (cylinder) of accelerator, valve port T connects the warning delivery outlet of dry valve, and the atmospheric pressure table is connected with the executive component (cylinder) of accelerator.
Valve port P holds compressed-air actuated air feed to be controlled by compressed air supply line stable-pressure device, compressed air is supplied with the fire protection pipeline pipe network that is in the open area simultaneously, when the fire protection pipeline pipe network in the open area causes the gas leakage of trace owing to the air-tightness reason, the compressed air supply line can be in the fire protection pipeline pipe network air feed, all the time guarantee that the pressure in the pipeline remains between 35～40Psi, avoids causing because of the gas leakage of the trace of pipeline the misoperation of rapid escape valve and dry valve; The air pressure of the executive component inside that valve port A end is connect is consistent with the air feed compressed air pressure, is between 35～40Psi; The pressure of the dry valve warning delivery outlet that valve port T end is connect is atmospheric pressure under armed state.
When valve port P has the compressed air input, promote the barrier film spool and move to right, valve port P is communicated with valve port A, gives the executive component air feed, blocks valve port P, valve port A path, and the pressure behind the system stability in the pipeline remains between 35～40Psi; When causing this regional fire-fighting spraying head, on-the-spot breaking out of fire breaks, air pressure moment decline in the pipe network, changing value reaches the 2Psi pressure differential when changing setting value or when the compressed air pressure in the pipeline during less than 32Psi, the barrier film spool moves left work, block valve port P, valve port A path, open valve port T simultaneously, valve port A path, block compressed air supply line stable-pressure device to valve port P end air feed, the gas of pressure makes gas be discharged to dry valve warning delivery outlet fast by valve port T by valve port A in the fire protection pipeline pipe network, compressed air enters the inside ring set of dry valve valve gap by warning delivery outlet pipeline, the valve gap that promotes dry valve with the fire water of pipe network lower end is jointly opened rapidly, and valve gap is locked in the position of unlatching, make fire water arrive the scene of fire fast and put out a fire.
Before dry fire protection system is transformed, whole plant area is equipped with each regional system pipeline end water testing device of dry fire protection system carries out one by one the test that discharges water, test from the draining valve of opening the pipeline end water testing device begin to have fire water ejection blanking time, obtain one group of test data (seeing table 1 and Fig. 3 for details: before installing (S)); After the transformation of dry fire protection system installation rapid exhaust is finished, carry out one by one the test that discharges water at the pipeline end water testing device, test from the draining valve of opening the pipeline end water testing device begin to have fire water ejection blanking time, obtain another group test data (seeing table 1 and Fig. 3 for details: back (S) is installed).
Through the data comparative analysis; time of comparing the dry fire protection system water outlet that rapid exhaust is installed water outlet time that the dry fire protection system of rapid exhaust is not installed has significantly and postpones; the H factory building (refrigerating plant room and cooling tower) of wherein regional pipe network protection area maximum region reaches 110 seconds time delay; if breaking out of fire; probably cause spreading and enlarging of fire, fire-fighting system is quite unfavorable to personnel, company property in the protection affiliated area.
As table 1 and shown in Figure 3; after dry system is transformed; before comparing, improves greatly SRT; average reaction time shortened to 6.42 seconds from 44.83 seconds; average reaction time shortens 85.7%; can give full play to the defencive function of fire-fighting system, protect the safety of personnel and company property to greatest extent.
Table 1
| The moisture district | B1A-D | B1B-F | B1B-D | B1C-F | B1D-D | B2A-D | B2B-D | B2D-D | W1-D | T1-D | T1-S | H1-D | On average (S) |
| Before installing (S) | 26 | 52 | 20 | 22 | 24 | 42 | 68 | 100 | 31 | 31 | 12 | 110 | 44.83 |
| Back (S) is installed | 6 | 7 | 5 | 6 | 5 | 7 | 8 | 8 | 7 | 7 | 3 | 8 | 6.42 |
Moisture area note:
B1A-D:B (FAB) factory building Stall west side platform
Soda acid chemicals waste collection district, B1B-F:B (FAB) factory building Stall west side
B1B-D:B (FAB) factory building Stall halfpace
Solvent chemicals waste collection district, B1C-F:B (FAB) factory building Stall east side
B1D-D:B (FAB) factory building Stall east side platform
B2A-D:B (FAB) factory building second floor scrubbing tower west side platform
B2B-D:B (FAB) factory building second floor scrubbing tower halfpace
B2D-D:B (FAB) factory building second floor scrubbing tower east side platform
W1-D:W (waste disposal) factory building verandah
T1-D:T (chemicals storage) factory building open-air storage zone
T1-S:T (chemicals storage) factory building silane gas cylinder storage area
H1-D:H (refrigeration machine and cooling tower) factory building.
Claims (3)
1. the rapid exhaust of a dry fire protection system comprises dry valve, compressed air inlet, water filling port, discharge opening, warning delivery outlet, ann test mouth, water pressure table and pressure switch; Wherein, dry valve is connected with compressed air inlet, water filling port, discharge opening, warning delivery outlet, ann test mouth, water pressure table by pipeline; Be provided with valve (1) between compressed air inlet and the dry valve; Be provided with valve (2) between discharge opening and the dry valve; Be provided with valve (3) between water filling port and the dry valve; Be provided with valve (8) between water pressure table and the dry valve; Pressure switch is connected with warning delivery outlet, ann test mouth, is provided with valve (5) and valve (6) between pressure switch and the dry valve; Be provided with valve (7) between ann test mouth and the dry valve; It is characterized in that: also comprise atmospheric pressure table, accelerator and two pipeline shutoff valve valves (9) and valve (10); The atmospheric pressure table is connected with dry valve, is provided with valve (4) between atmospheric pressure table and the dry valve; Valve (9) is connected with the compressed air inlet; Valve (10) is connected with the warning delivery outlet; Accelerator is located between valve (9) and the valve (10).
2. the rapid exhaust of dry fire protection system as claimed in claim 1, it is characterized in that, described accelerator comprises valve port (P), valve port (A), valve port (T) and executive component, and valve port (P) is connected with described compressed air inlet by described valve (9); Valve port (T) is connected with described warning delivery outlet by described valve (10); Valve port (A) is connected with executive component; Described atmospheric pressure table is connected with executive component by pipeline.
3. the rapid exhaust of dry fire protection system as claimed in claim 2 is characterized in that, described executive component is a cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200662267U CN201064634Y (en) | 2007-01-11 | 2007-01-11 | Dry type water fire extinguishing system fast exhausting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200662267U CN201064634Y (en) | 2007-01-11 | 2007-01-11 | Dry type water fire extinguishing system fast exhausting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201064634Y true CN201064634Y (en) | 2008-05-28 |
Family
ID=39481792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200662267U Expired - Lifetime CN201064634Y (en) | 2007-01-11 | 2007-01-11 | Dry type water fire extinguishing system fast exhausting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201064634Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101991924B (en) * | 2009-08-21 | 2012-07-25 | 中国石油化工股份有限公司 | Fire detection and automatic fire extinguisher system and application thereof in floating roof tank sealing ring |
| CN104540554A (en) * | 2012-06-25 | 2015-04-22 | 马里奥夫有限公司 | Preaction sprinkler system operation booster |
| CN114173888A (en) * | 2019-05-20 | 2022-03-11 | 泰科消防产品有限合伙公司 | Dry pipe accelerator system and method |
| RU217297U1 (en) * | 2021-12-27 | 2023-03-27 | Николай Вадимович Сова | FIRE EXTINGUISHING INSTALLATION WITH SHUT-OFF AND START-UP DEVICE |
-
2007
- 2007-01-11 CN CNU2007200662267U patent/CN201064634Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101991924B (en) * | 2009-08-21 | 2012-07-25 | 中国石油化工股份有限公司 | Fire detection and automatic fire extinguisher system and application thereof in floating roof tank sealing ring |
| CN104540554A (en) * | 2012-06-25 | 2015-04-22 | 马里奥夫有限公司 | Preaction sprinkler system operation booster |
| CN104540554B (en) * | 2012-06-25 | 2018-04-03 | 马里奥夫有限公司 | Preact spray system operates booster |
| US10709918B2 (en) | 2012-06-25 | 2020-07-14 | Marioff Corporation Oy | Preaction sprinkler system operation booster |
| CN114173888A (en) * | 2019-05-20 | 2022-03-11 | 泰科消防产品有限合伙公司 | Dry pipe accelerator system and method |
| CN114173888B (en) * | 2019-05-20 | 2023-01-06 | 泰科消防产品有限合伙公司 | Dry pipe accelerator system and method |
| RU217297U1 (en) * | 2021-12-27 | 2023-03-27 | Николай Вадимович Сова | FIRE EXTINGUISHING INSTALLATION WITH SHUT-OFF AND START-UP DEVICE |
| RU219720U1 (en) * | 2021-12-27 | 2023-08-01 | Николай Вадимович Сова | FIRE EXTINGUISHING INSTALLATION WITH SHUT-OFF AND START DEVICE |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5099925A (en) | Dry sprinkler system | |
| CN110102001B (en) | Fire-fighting linkage control system | |
| KR200457601Y1 (en) | The chain action operation structure of fire extinguisher | |
| KR101187672B1 (en) | Preventing freezing of water supply apparatus to fire extinguishing | |
| CN210472840U (en) | Lithium ion battery energy storage system fire prevention and control device | |
| KR102064947B1 (en) | Sprinkler and sprinkler system with freeze protection structure | |
| CN103656922A (en) | Automatic carbon dioxide fire extinguishing system | |
| CN102755709A (en) | Debugging method of hotel fire fighting system | |
| CN201064634Y (en) | Dry type water fire extinguishing system fast exhausting device | |
| CN201022922Y (en) | Hydatogenous membranous froth spraying fire fighting device | |
| CN204972786U (en) | Wet -type automatic sprinkling fire extinguishing system | |
| CN106032848A (en) | A deluge valve control module | |
| CN110180109A (en) | A kind of Box-in device having both sound insulation module Yu fire-fighting module | |
| CN206304262U (en) | A kind of foam tank extinguishing device | |
| CN219815086U (en) | Charging station fills electric pile automatic fire extinguishing system | |
| CN215351723U (en) | Building outer wall external insulation automatic fire extinguishing system | |
| CN216925208U (en) | Automatic water spraying fire extinguishing system of cooling tower | |
| CN207186978U (en) | A kind of automatic alarm leakproof preact spray system valve group | |
| KR101236828B1 (en) | Fire disaster prevention system and method | |
| CN212756939U (en) | High-pressure water mist system for fire fighting | |
| CN202526814U (en) | Quick water-filling and exhaust system for fire fighting sprinkling pipe network | |
| CN113144487A (en) | Building outer wall external insulation automatic fire extinguishing system | |
| CN2605885Y (en) | Foam-water spraying combined automatic extinguisher | |
| CN104540554A (en) | Preaction sprinkler system operation booster | |
| CN112145506A (en) | Device and method for preventing fire in case of oil leakage of hydraulic system of rolling mill |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (BEIJING Free format text: FORMER OWNER: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) CORPORATION Effective date: 20121127 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 201203 PUDONG NEW AREA, SHANGHAI TO: 100176 DAXING, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20121127 Address after: 100176 No. 18 Wenchang Avenue, Beijing economic and Technological Development Zone Patentee after: Semiconductor Manufacturing International (Beijing) Corporation Address before: 201203 Shanghai City, Pudong New Area Zhangjiang Road No. 18 Patentee before: Semiconductor Manufacturing International (Shanghai) Corporation |
|
| CX01 | Expiry of patent term |
Granted publication date: 20080528 |
|
| EXPY | Termination of patent right or utility model |