CN101559269A - Active nitrogen-rich refractory protection - Google Patents
Active nitrogen-rich refractory protection Download PDFInfo
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- CN101559269A CN101559269A CNA2009100217559A CN200910021755A CN101559269A CN 101559269 A CN101559269 A CN 101559269A CN A2009100217559 A CNA2009100217559 A CN A2009100217559A CN 200910021755 A CN200910021755 A CN 200910021755A CN 101559269 A CN101559269 A CN 101559269A
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Abstract
The invention relates to the field of fire control and fire extinguishing and discloses an active nitrogen-rich refractory protection; the device is arranged in a sealed fire prevention area, mainly comprising an air feeder, an air separator, a control unit which is in electric connection with the air feeder and the air distribution device respectively and an oxygen-nitrogen-content measuring unit; wherein, the inlet of the air feeder is arranged inside the sealed fire prevention area, the outlet thereof is communicated with the inlet of the air distribution device by a pipeline; the nitrogen outlet of the air distribution device is also arranged in the sealed fire prevention area, the oxygen outlet thereof is communicated to the outside of the sealed fire prevention area; the oxygen-nitrogen-content measuring unit measures nitrogen content in the sealed fire prevention area and output the measuring result to the control unit which controls start-stop operation of the air feeder and the air distribution, so that nitrogen content in the sealed fire prevention area can be kept at the preset range.
Description
Technical field
The present invention relates to the fire-fighting fire extinguishing field, particularly a kind of active nitrogen-rich refractory protection.
Background technology
As everyone knows, fire is the formidable enemy of harm humans life and property, therefore in life and production place, people have prepared some fire-fighting fire-extinguishing equipments, but traditional fire-fighting fire-extinguishing equipment all is to be main purpose with the fire extinguishing, and their shortcoming is to carry out passive fire extinguishing after fire takes place, and is the remedial measure after a kind of disaster takes place, the loss that disaster causes can only be reduced, the generation of disaster prevention can not be shifted to an earlier date.
Traditional fire-fighting fire-extinguishing equipment also has and utilizes nitrogen to put out a fire as extinguishing chemical, this situation normally adopt the high pressure mode with nitrogen storage in gas cylinder, when breaking out of fire, spurt nitrogen to the scene of fire, implement fire extinguishing.Storage of higher pressures nitrogen has a lot of shortcomings, container, pipeline, valve that embodies a concentrated expression of nitrogen storage and conveying etc. is withstand voltage and sealing requirements is very high, and this traditional fire-fighting fire-extinguishing equipment processing and assembling is complicated, bulky, cost is high, have a lot of links to be difficult to control in using, as extinguishing chemical leak easily, extinguishing chemical fills needs specific purpose tool and equipment etc.
The rich nitrogen fire prevention system of a kind of centralized active is also arranged, need set up the nitrogen station, its fire prevention mechanism is that the pure nitrogen gas of nitrogen station output is sent into the guard plot by pipeline, the oxygen in guard plot dilution or cement out, make and reach in the guard plot and remain on the oxygen deprivation state, thereby destroy the necessary condition that fire takes place, reach the purpose of fire prevention.The rich nitrogen fire prevention system of this active need be set up the nitrogen station, and the pipe network complexity, and whole system need adopt centralized Control, and the overall cost height is only applicable to large-scale newly-built fire prevention place, and for building or reconstruction project, its application flexibility is poor again.
Summary of the invention
The object of the present invention is to provide a kind of active nitrogen-rich refractory protection that can flexible configuration, it is not only applicable to the fire prevention place of different scales, and easy for installation, and cost is low, and energy consumption is little.
In order to achieve the above object, the present invention is achieved by the following technical solutions.A kind of active nitrogen-rich refractory protection places in the airtight fire district, it is characterized in that, comprising: pressure fan, and air separation machine is electrically connected the control module of pressure fan and air separation machine and oxygen nitrogen content detecting unit respectively; The inlet of described pressure fan places in the airtight fire district, and its outlet is communicated with the inlet of air separation machine by pipeline; The nitrogen outlet of air separation machine places in the airtight fire district, and its oxygen outlet is communicated to outside the airtight fire district; Described oxygen nitrogen content detecting unit detects nitrogen content and the Input Control Element in the airtight fire district, and the start and stop work of control pressure fan and air separation machine remains in the scope of setting the nitrogen content in the airtight fire district.
Further characteristics of the present invention are:
Described pressure fan inlet is away from the nitrogen outlet of air separation machine.
Described oxygen nitrogen content detecting unit is away from the nitrogen outlet of air separation machine.
Described oxygen nitrogen content detecting unit is nitrogen probe or oxygen probe.
The oxygen content of setting in the described airtight fire district is 14%～16%.
Described pressure fan is air compressor machine, air exhauster or air blast.
The present invention can shift to an earlier date the generation of fire preventing, prevents that fire from damaging the mankind and property; And can effectively avoid the unreasonable configuration of low load with strong power or high load with small power according to the active nitrogen-rich refractory protection of the space flexible in size configuration different capacity of airtight fire district; Convenient newly-built, build or reconstruct the rich nitrogen fire prevention of active of airtight fire district again; Avoided pipe network complexity, the control of the rich nitrogen fire prevention system of centralized active complicated, many defectives such as big, the cost height of investment once.
Description of drawings
Fig. 1 is the airtight fire district schematic diagram that disposes active nitrogen-rich refractory protection of the present invention; Wherein: 1, pressure fan; 2, control module; 3, remote monitoring unit; 4, oxygen nitrogen content detecting unit; 5, alarm; 6, gate light; 7, fire protection control center; 8, warning sign; 9, air separation machine; 10, nitrogen nozzle; 11, oxygen jet.
The specific embodiment
With reference to Fig. 1, in airtight fire district, initiatively nitrogen-rich refractory protection is set.Initiatively nitrogen-rich refractory protection mainly comprises: pressure fan 1, air separation machine 9, control module 2, and oxygen nitrogen content detecting unit 4.Pressure fan 1 can be air compressor machine, air exhauster or air blast, and present embodiment adopts air compressor machine.The inlet of air compressor machine places in the airtight fire district, and its outlet is communicated with the inlet of air separation machine 9 by pipeline; The nitrogen outlet of air separation machine 9 connects nitrogen nozzle 10 by pipeline, places in the airtight fire district; The oxygen outlet of air separation machine 9 connects oxygen jet 11 by pipeline, is communicated to outside the airtight fire district.The air compressor machine inlet is away from the nitrogen outlet of air separation machine 9, so that improve oxygen nitrogen separative efficiency.
Oxygen nitrogen content detecting unit 4 is nitrogen probe or oxygen probe away from the nitrogen outlet of air separation machine; Also can adopt a plurality of nitrogen probes or oxygen probe to be distributed in the zones of different of airtight fire district.Present embodiment adopts the oxygen probe, away from the nitrogen nozzle.The air compressor machine inlet is near airtight fire district one side, and the oxygen probe places opposite side, and the nitrogen nozzle is near the middle part.
The oxygen probe detects the oxygen content (calculating can obtain nitrogen content) in the airtight fire district, Input Control Element 2, and the start and stop work of control pressure fan 1 and air separation machine 9 remains in 14%～16% scope of setting the oxygen content in the airtight fire district.Control module 2 can be single-chip microcomputer, PLC controller, the perhaps control circuit of being made up of relay.
Be specially: the air in the airtight fire district is delivered to air separation machine 9 (or air separation unit) through air compressor machine with certain flow and pressure, air separation machine 9 comes out airborne nitrogen separation, by the nitrogen blanketing valve net, nitrogen is fed back in the airtight fire district, remaining air that contains a large amount of oxygen is discharged into outside the airtight fire district.Air separation machine 9 can adopt the embrane method technology to carry out air separation, pressure swing adsorption carries out multiple modes such as air separation, cryogenic air separation technology, molecular sieve and carries out nitrogen separation.
Oxygen concentration is delivered to control module by the monitoring of oxygen probe by the signal of telecommunication in the airtight fire district, after oxygen concentration (can be equivalent to nitrogen gas concn) reaches certain requirement, stops nitrogen and carries, and promptly air compressor machine, air separation machine 9 quit work energy savings.After oxygen concentration is higher than this requirement, start air compressor machine, air separation machine 9, start working, provide nitrogen, reduce oxygen concentration, guarantee that the oxygen concentration in the airtight fire district remains in certain requirement for a long time by centrifugation to the guard plot.Oxygen concentration situation of change in the airtight fire district of remote monitoring unit 3 monitoring, remote monitoring unit 3 can also monitor whether the door of airtight fire district is opened, whether the someone enters airtight fire district, when these situations of generation, transmit signal and give alarm 5, warning message is passed to fire protection control center 7, show by dialing the police emergency number automatically and report to the police.The door of airtight fire district is provided with the warning sign 8 of gate light 6 and luminous type, can warn round the clock, and the personnel of preventing are strayed in the anoxic guard plot and cause danger.
The present invention can be widely used in various industry, civilian, military place, as: munitions, chemical industry and civilian warehouse, mine, or the protection place of historical relic and grain.
Claims (6)
1, a kind of active nitrogen-rich refractory protection places in the airtight fire district, it is characterized in that, comprising: pressure fan, and air separation machine is electrically connected the control module of pressure fan and air separation machine and oxygen nitrogen content detecting unit respectively; The inlet of described pressure fan places in the airtight fire district, and its outlet is communicated with the inlet of air separation machine by pipeline; The nitrogen outlet of air separation machine places in the airtight fire district, and its oxygen outlet is communicated to outside the airtight fire district; Described oxygen nitrogen content detecting unit detects nitrogen content and the Input Control Element in the airtight fire district, and the start and stop work of control pressure fan and air separation machine remains in the scope of setting the nitrogen content in the airtight fire district.
2, a kind of active nitrogen-rich refractory protection according to claim 1 is characterized in that, described pressure fan inlet is away from the nitrogen outlet of air separation machine.
3, a kind of active nitrogen-rich refractory protection according to claim 1 is characterized in that, described oxygen nitrogen content detecting unit is away from the nitrogen outlet of air separation machine.
4, a kind of active nitrogen-rich refractory protection according to claim 1 is characterized in that, described oxygen nitrogen content detecting unit is nitrogen probe or oxygen probe.
5, a kind of active nitrogen-rich refractory protection according to claim 1 is characterized in that, the oxygen content of setting in the described airtight fire district is 14%～16%.
6, a kind of active nitrogen-rich refractory protection according to claim 1 is characterized in that, described pressure fan is air compressor machine, air exhauster or air blast.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100217559A CN101559269B (en) | 2009-03-27 | 2009-03-27 | Active nitrogen-rich fire-proof device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100217559A CN101559269B (en) | 2009-03-27 | 2009-03-27 | Active nitrogen-rich fire-proof device |
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| Publication Number | Publication Date |
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| CN101559269A true CN101559269A (en) | 2009-10-21 |
| CN101559269B CN101559269B (en) | 2012-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009100217559A Expired - Fee Related CN101559269B (en) | 2009-03-27 | 2009-03-27 | Active nitrogen-rich fire-proof device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106492370A (en) * | 2016-12-10 | 2017-03-15 | 厦门泰消防科技开发有限公司 | A kind of note nitrogen control oxygen active fire precaution system and its using method |
| CN107847777A (en) * | 2015-07-02 | 2018-03-27 | 艾摩罗那股份公司 | The method that oxygen reduces system and reduces system for configuring oxygen |
| CN108578926A (en) * | 2018-05-24 | 2018-09-28 | 国信机器人无锡股份有限公司 | Active fire precaution fire-fighting system for closed stereo garage |
| CN110270032A (en) * | 2019-07-19 | 2019-09-24 | 应急管理部天津消防研究所 | A kind of lithium ion battery energy storage system fire prevention and control device and implementation method |
| CN111089373A (en) * | 2019-12-18 | 2020-05-01 | 盐城工业职业技术学院 | Novel ventilation system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4105548B2 (en) * | 2001-01-11 | 2008-06-25 | ワグナー アラーム ウント シヘルングシステメ ゲーエムベーハー | Inactivation method with nitrogen buffer |
| CN1533814A (en) * | 2003-03-27 | 2004-10-06 | 廖赤虹 | Fire disaster prevention of sealed space and fire extinguishing equipmet |
| CN100509088C (en) * | 2003-05-26 | 2009-07-08 | 萧志福 | Fireproof nitrogen supplying system for supporting human breath |
| CN201505380U (en) * | 2009-03-27 | 2010-06-16 | 西安新竹防灾救生设备有限公司 | Refractory protection capable of automatically controlling content of nitrogen |
-
2009
- 2009-03-27 CN CN2009100217559A patent/CN101559269B/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107847777A (en) * | 2015-07-02 | 2018-03-27 | 艾摩罗那股份公司 | The method that oxygen reduces system and reduces system for configuring oxygen |
| CN106492370A (en) * | 2016-12-10 | 2017-03-15 | 厦门泰消防科技开发有限公司 | A kind of note nitrogen control oxygen active fire precaution system and its using method |
| CN108578926A (en) * | 2018-05-24 | 2018-09-28 | 国信机器人无锡股份有限公司 | Active fire precaution fire-fighting system for closed stereo garage |
| CN110270032A (en) * | 2019-07-19 | 2019-09-24 | 应急管理部天津消防研究所 | A kind of lithium ion battery energy storage system fire prevention and control device and implementation method |
| CN110270032B (en) * | 2019-07-19 | 2024-03-22 | 应急管理部天津消防研究所 | Fire prevention and control device of lithium ion battery energy storage system and implementation method |
| CN111089373A (en) * | 2019-12-18 | 2020-05-01 | 盐城工业职业技术学院 | Novel ventilation system |
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| Publication number | Publication date |
|---|---|
| CN101559269B (en) | 2012-01-11 |
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