CN203954499U - Cable shaft fire prevention and control device - Google Patents
Cable shaft fire prevention and control device Download PDFInfo
- Publication number
- CN203954499U CN203954499U CN201420345357.9U CN201420345357U CN203954499U CN 203954499 U CN203954499 U CN 203954499U CN 201420345357 U CN201420345357 U CN 201420345357U CN 203954499 U CN203954499 U CN 203954499U
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- Prior art keywords
- cable shaft
- fire
- cable
- control device
- dry powder
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- Expired - Fee Related
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- 230000002265 prevention Effects 0.000 title claims abstract description 28
- 239000000843 powder Substances 0.000 claims abstract description 36
- 230000000903 blocking effect Effects 0.000 claims abstract description 15
- 239000000779 smoke Substances 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 abstract description 9
- 238000002485 combustion reaction Methods 0.000 abstract description 4
- 238000010292 electrical insulation Methods 0.000 abstract description 3
- 239000000443 aerosol Substances 0.000 description 2
- 229940026110 carbon dioxide / nitrogen Drugs 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003999 initiator Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model relates to a kind of cable shaft fire prevention and control device, comprise cable shaft, in described cable shaft, be provided with fireproof blocking, in described cable shaft, be provided with the screen work for attached cable, described screen work is provided with hanging type super fine dry powder fire extinguisher, described hanging type super fine dry powder fire extinguisher is connected to respectively emergent manual actuation of button and fire extinguishing control panel by wire, in described cable shaft, be also provided with temperature-sensitive/Smoke Sensor, described temperature-sensitive/Smoke Sensor is connected to fire alarm control unit, described fire alarm control unit is connected to fire extinguishing control panel and alarm.This cable shaft fire prevention and control device can be controlled fast and stamp out a fire, can total space uniform decrease in temperature, prevent fire resume combustion, electrical insulation properties is good, cable is not caused to damage, and is convenient to the inner installation of cable shaft, cost is lower, and three-dimensional prevention and control are respond well.
Description
Technical field
The utility model relates to a kind of cable shaft fire prevention and control device.
Background technology
Along with the increase of power plant unit capacity, the raising of automatization level, cable use amount also increases thereupon, and the fire prevention and control demand of cable also strengthens, requires also increasingly stringent day by day.Compared with the cable structures such as cable shaft and cable duct, cable tunnel, cable testing bridge and cable pipe laying, there is following feature: be first that cable in cable shaft gathers, not effectively isolation between cable, influence of fire scope is large; Next be cable vertical shaft be to be arranged vertically, once fire occurs, the stack effect of generation, makes fire spreading more rapid; Be exactly finally that cable shaft structure is relatively sealed, inner space is relatively little.General cable shaft only leaves to be installed or changes the hand well that cable is used, once fire occurs, portable fire extinguisher is difficult to effectively put out cable shaft internal flame.
Cable shaft inside is often due to former thereby initiation fires such as cable long term high temperature work, cable short circuit or cable are aging.Its fire main manifestations is that cable bunchy prolongs combustion, is attended by high concentration combustible gas when burning, and fire-propagation speed is fast, has a strong impact on the normal operation of generating set, and direct and consequential damage is huge.The cable shaft fire hazard that uses in power plant obviously and be difficult to prevention and control, in power plant, the fire prevention and control to cable shaft did not give enough attention in the past, its measure is generally employing flame retardant cable, vertical shaft is carried out to fireproof blocking, send early warning by the temperature-sensitive/Smoke Sensor being arranged in vertical shaft simultaneously, rely on the fire extinguishing of manually reaching the spot; But due to the sealing of cable shaft structure, narrow space, only relies on manual extinguishing, reacts slower, and fire-fighting efficiency is low.Therefore, be extremely necessary, at a kind of independent automatic fire extinguisher that can meet its internal firefighting needs of the inner installation of power plant cable shaft, in the time of breaking out of fire, to put out a fire, effectively prevention and control cable shaft fire.
Utility model content
In view of the deficiencies in the prior art, the purpose of this utility model is to provide a kind of cable shaft fire prevention and control device, by suitable independent automatic fire extinguisher being installed in cable shaft inside, and in conjunction with the measure of original strick precaution cable shaft fire, reach the object that effective prevention and control cable shaft fire occurs.
To achieve these goals, the technical solution of the utility model is: a kind of cable shaft fire prevention and control device, comprise cable shaft, in described cable shaft, be provided with fireproof blocking, in described cable shaft, be provided with the screen work for attached cable, described screen work is provided with hanging type super fine dry powder fire extinguisher, described hanging type super fine dry powder fire extinguisher is connected to respectively emergent manual actuation of button and fire extinguishing control panel by wire, in described cable shaft, be also provided with temperature-sensitive/Smoke Sensor, described temperature-sensitive/Smoke Sensor is connected to fire alarm control unit, described fire alarm control unit is connected to fire extinguishing control panel and alarm.
Further, in described cable shaft, be arranged at intervals with multiple fireproof blockings, between adjacent two fireproof blockings, form a relatively independent space, in each independently space, be provided with multiple hanging type super fine dry powder fire extinguishers.
Further, the hanging type super fine dry powder fire extinguisher in each independently space starts in groups.
Further, every group of hanging type super fine dry powder fire extinguisher is all connected to independently emergent manual actuation of button, and is connected to fire extinguishing control panel.
Further, described emergent manual actuation of button is arranged near cable shaft.
Further, described fire extinguishing control panel is arranged at fire protection control room or main control room.
Further, described wire lays by cable shaft, conduit line and cable testing bridge.
Further, the spacing of described fireproof blocking is 7m.
Further, the distance between adjacent two hanging type super fine dry powder fire extinguishers should not be greater than 3m.
Further, in described cable shaft, every 1m～1.5m, one group of screen work is installed.
Compared with prior art, the utlity model has following advantage: this cable shaft fire prevention and control device can be controlled fast and stamp out a fire, can total space uniform decrease in temperature, prevent fire resume combustion, electrical insulation properties is good, cable is not caused to damage, and be convenient to the inner installation of cable shaft, cost is lower, and three-dimensional prevention and control are respond well.
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the startup schematic diagram of the utility model embodiment.
In figure: 1-cable shaft, 2-fireproof blocking, 3-screen work, 4-hanging type super fine dry powder fire extinguisher, the 5-manual actuation of button of meeting an urgent need, 6-fire extinguishing control panel, 7-temperature-sensitive/Smoke Sensor, 8-fire alarm control unit, 9-alarm.
Detailed description of the invention
As shown in Figure 1, a kind of cable shaft fire prevention and control device, comprise cable shaft 1, in described cable shaft 1, be provided with fireproof blocking 2, in described cable shaft 1, be provided with the screen work 3 for attached cable, described screen work 3 is provided with hanging type super fine dry powder fire extinguisher 4, described hanging type super fine dry powder fire extinguisher 4 is connected to respectively emergent manual actuation of button 5 and fire extinguishing control panel 6 by wire, in described cable shaft 1, be also provided with temperature-sensitive/Smoke Sensor 7, described temperature-sensitive/Smoke Sensor 7 is connected to fire alarm control unit 8, described fire alarm control unit 8 is connected to fire extinguishing control panel 6 and alarm 9.
In the present embodiment, alter combustion in order to prevent fire, in described cable shaft 1, be arranged at intervals with multiple fireproof blockings 2, between adjacent two fireproof blockings 2, form a relatively independent space, in each independently space, be provided with multiple hanging type super fine dry powder fire extinguishers 4.In order to improve fire extinguishing effect, hanging type super fine dry powder fire extinguisher 4 in each independently space starts more effectively to put out initial fire disaster in groups, every group of hanging type super fine dry powder fire extinguisher 4 is all connected to independently emergent manual actuation of button 5, and is connected to fire extinguishing control panel 6.Described emergent manual actuation of button 5 is arranged near cable shaft 1, and described fire extinguishing control panel 6 is arranged at fire protection control room or main control room, and described wire lays by cable shaft 1, conduit line and cable testing bridge.
In the present embodiment, in described cable shaft 1, just there is fireproof blocking 2 every 7m, described hanging type super fine dry powder fire extinguisher 4 is chosen the specification of 0.5kg/ so that in the inner installation of cable shaft 1, distance between adjacent two hanging type super fine dry powder fire extinguishers 4 should not be greater than 3m, therefore in cable shaft 1, recommends to install in every 7m space 3 hanging type super fine dry powder fire extinguishers 4.In described cable shaft 1, every 1m～1.5m, one group of screen work 3 is just installed, to facilitate hanging type super fine dry powder fire extinguisher 4 to install.Because hanging type super fine dry powder fire extinguisher 4 explosive payloads of selecting are few, volume is little, does not affect the cable laying of cable shaft 1 inside, the wire that hanging type super fine dry powder fire extinguisher 4 connects simultaneously also can utilize cable shaft 1 to lay easily.
At present there are many kinds for the technology of fire prevention and control, wherein mainly comprise water spray extinguishing device, carbon dioxide/nitrogen extinguishing device, aerosol fire-extinguishing device and ultrafine dry powder extinguishing installation.During for cable shaft 1 interior fires prevention and control, the shortcoming of water spray extinguishing device and carbon dioxide/nitrogen extinguishing device is that apparatus structure complexity, cost are high, need to lay pipe network in vertical shaft inside, installation and maintenance workload is large, need to take the inner expensive real estate of vertical shaft.The shortcoming of aerosol fire-extinguishing device is to have certain pollution and corrosiveness, and blow-off velocity is slower, is not suitable for the places such as cable shaft 1 and uses.And ultrafine dry powder extinguishing installation extinguishing property and electrical insulation properties are very good, and only need arrange extinguishing device and connect wire, belonging to fire extinguishing equipment without network, be extremely convenient to the inner installation of cable shaft 1, and apparatus cost being lower.What therefore the utility model adopted is the extinguishing device of ultrafine dry powder extinguishing installation as cable shaft 1 inside.
As shown in Figure 2, in order to ensure reliability, described hanging type super fine dry powder fire extinguisher 4 Starting mode have three kinds: temperature-sensing element temperature control that hanging type super fine dry powder fire extinguisher 4 carries starts, controlled and started by emergency starting and the signal interlock of sending by the inner temperature-sensitive/Smoke Sensor 7 installed of cable shaft 1 manually of emergent manual actuation of button 5.
(1) temperature-sensing element starts: in the time of cable shaft 1 interior breaking out of fire, but because power supply breaks down or temperature-sensitive/Smoke Sensor 7, fire alarm control unit 8 are malfunctioning can not carry out fire extinguishing instruction time, for example, when the temperature-sensing element that hanging type super fine dry powder fire extinguisher 4 carries senses predetermined temperature (60 DEG C ~ 80 DEG C), start voluntarily, implement fire extinguishing.
(2) manual-operated emergent starts: in the time of cable shaft 1 interior breaking out of fire, if having people to work near cable shaft 1 or time on duty, personnel can press emergent manual actuation of button 5, start hanging type super fine dry powder fire extinguisher 4 by electric initiator, implement fire extinguishing.
(3) interlock is controlled and is started: in the time of cable shaft 1 interior breaking out of fire, the signal that temperature-sensitive/Smoke Sensor 7 sends is to fire alarm control unit 8, fire alarm control unit 8 makes alarm 9 report to the police and send a signal to fire extinguishing control panel 6 simultaneously, fire extinguishing control panel 6 starts hanging type super fine dry powder fire extinguisher 4 by electric initiator, implements fire extinguishing.
Certainly, described fire extinguishing control panel 6 also can be operated by personnel, directly starts hanging type super fine dry powder fire extinguisher 4; Described fire extinguishing control panel 6 can also pass through delayer delay start hanging type super fine dry powder fire extinguisher 4, to evacuate the personnel in cable shaft 1.
The foregoing is only preferred embodiment of the present utility model, all equalizations of doing according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.
Claims (10)
1. a cable shaft fire prevention and control device, comprise cable shaft, it is characterized in that: in described cable shaft, be provided with fireproof blocking, in described cable shaft, be provided with the screen work for attached cable, described screen work is provided with hanging type super fine dry powder fire extinguisher, described hanging type super fine dry powder fire extinguisher is connected to respectively emergent manual actuation of button and fire extinguishing control panel by wire, in described cable shaft, be also provided with temperature-sensitive/Smoke Sensor, described temperature-sensitive/Smoke Sensor is connected to fire alarm control unit, described fire alarm control unit is connected to fire extinguishing control panel and alarm.
2. cable shaft fire prevention and control device according to claim 1, it is characterized in that: in described cable shaft, be arranged at intervals with multiple fireproof blockings, between adjacent two fireproof blockings, form a relatively independent space, in each independently space, be provided with multiple hanging type super fine dry powder fire extinguishers.
3. cable shaft fire prevention and control device according to claim 2, is characterized in that: the hanging type super fine dry powder fire extinguisher in each independently space starts in groups.
4. cable shaft fire prevention and control device according to claim 3, is characterized in that: every group of hanging type super fine dry powder fire extinguisher is all connected to independently emergent manual actuation of button, and is connected to fire extinguishing control panel.
5. according to the cable shaft fire prevention and control device described in claim 1 or 4, it is characterized in that: described emergent manual actuation of button is arranged near cable shaft.
6. according to the cable shaft fire prevention and control device described in claim 1 or 4, it is characterized in that: described fire extinguishing control panel is arranged at fire protection control room or main control room.
7. according to the cable shaft fire prevention and control device described in claim 1 or 4, it is characterized in that: described wire lays by cable shaft, conduit line and cable testing bridge.
8. cable shaft fire prevention and control device according to claim 2, is characterized in that: the spacing of described fireproof blocking is 7m.
9. according to the cable shaft fire prevention and control device described in claim 2 or 8, it is characterized in that: the distance between adjacent two hanging type super fine dry powder fire extinguishers should not be greater than 3m.
10. cable shaft fire prevention and control device according to claim 1 and 2, is characterized in that: in described cable shaft, every 1m～1.5m, one group of screen work is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420345357.9U CN203954499U (en) | 2014-06-26 | 2014-06-26 | Cable shaft fire prevention and control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420345357.9U CN203954499U (en) | 2014-06-26 | 2014-06-26 | Cable shaft fire prevention and control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203954499U true CN203954499U (en) | 2014-11-26 |
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ID=51915143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420345357.9U Expired - Fee Related CN203954499U (en) | 2014-06-26 | 2014-06-26 | Cable shaft fire prevention and control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203954499U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107435553A (en) * | 2017-08-03 | 2017-12-05 | 肥城白庄煤矿有限公司 | Extinguishing device and method for well industrial and mineral well shaft |
| CN108072679A (en) * | 2018-01-19 | 2018-05-25 | 国网安徽省电力有限公司电力科学研究院 | A kind of electric shaft fire behavior test platform |
| CN110359675A (en) * | 2019-08-08 | 2019-10-22 | 俞园芳 | It a kind of cable shaft and applies in internal cable |
| CN112569511A (en) * | 2021-01-13 | 2021-03-30 | 杭州遥卡数码电子有限公司 | Movable fire-fighting device in cable shaft |
| CN113937711A (en) * | 2021-10-21 | 2022-01-14 | 安徽精工电缆桥架有限公司 | Well cable laying uses cable shaft |
| CN114377320A (en) * | 2021-10-22 | 2022-04-22 | 国网浙江省电力有限公司 | Automatic fire identification and protection system for vertical cable channel |
| CN114904184A (en) * | 2022-05-13 | 2022-08-16 | 上海金盾消防智能科技有限公司 | Fire detection alarm and automatic fire extinguishing method for wind generating set |
| CN115045337A (en) * | 2022-07-19 | 2022-09-13 | 中国能源建设集团广东省电力设计研究院有限公司 | Fireproof and fireproof cable shaft and construction method thereof |
| CN115212501A (en) * | 2022-06-17 | 2022-10-21 | 国网江苏省电力有限公司盐城供电分公司 | Fire extinguishing device used in electric wire shaft |
-
2014
- 2014-06-26 CN CN201420345357.9U patent/CN203954499U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107435553A (en) * | 2017-08-03 | 2017-12-05 | 肥城白庄煤矿有限公司 | Extinguishing device and method for well industrial and mineral well shaft |
| CN108072679A (en) * | 2018-01-19 | 2018-05-25 | 国网安徽省电力有限公司电力科学研究院 | A kind of electric shaft fire behavior test platform |
| CN110359675A (en) * | 2019-08-08 | 2019-10-22 | 俞园芳 | It a kind of cable shaft and applies in internal cable |
| CN110359675B (en) * | 2019-08-08 | 2020-11-13 | 义乌市佳倩科技有限公司 | Cable shaft and cable applied inside |
| CN112569511A (en) * | 2021-01-13 | 2021-03-30 | 杭州遥卡数码电子有限公司 | Movable fire-fighting device in cable shaft |
| CN113937711A (en) * | 2021-10-21 | 2022-01-14 | 安徽精工电缆桥架有限公司 | Well cable laying uses cable shaft |
| CN114377320A (en) * | 2021-10-22 | 2022-04-22 | 国网浙江省电力有限公司 | Automatic fire identification and protection system for vertical cable channel |
| CN114904184A (en) * | 2022-05-13 | 2022-08-16 | 上海金盾消防智能科技有限公司 | Fire detection alarm and automatic fire extinguishing method for wind generating set |
| CN115212501A (en) * | 2022-06-17 | 2022-10-21 | 国网江苏省电力有限公司盐城供电分公司 | Fire extinguishing device used in electric wire shaft |
| CN115045337A (en) * | 2022-07-19 | 2022-09-13 | 中国能源建设集团广东省电力设计研究院有限公司 | Fireproof and fireproof cable shaft and construction method thereof |
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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: 20141126 Termination date: 20210626 |
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| CF01 | Termination of patent right due to non-payment of annual fee |