CN201505380U - Refractory protection capable of automatically controlling content of nitrogen - Google Patents
Refractory protection capable of automatically controlling content of nitrogen Download PDFInfo
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- CN201505380U CN201505380U CN 200920032386 CN200920032386U CN201505380U CN 201505380 U CN201505380 U CN 201505380U CN 200920032386 CN200920032386 CN 200920032386 CN 200920032386 U CN200920032386 U CN 200920032386U CN 201505380 U CN201505380 U CN 201505380U
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- nitrogen
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model relates to the fire-fighting field, and discloses a refractory protection capable of automatically controlling the content of nitrogen, which is arranged in a close fireproofing area and mainly comprises an air blower, an air separator, a control unit respectively electrically connected with the air blower and the air separator, and an oxygen and nitrogen content detecting unit, an inlet of the air blower is arranged in the close fireproofing area, an outlet thereof is communicated with an inlet of the air separator by pipes, a nitrogen outlet of the air separator is arranged in the close fireproofing area, an oxygen outlet is communicated to the outer of the close fireproofing area, the oxygen and nitrogen content detecting unit can detect the content of nitrogen in the close fireproofing area and input the same to the control unit to control the staring and stopping of the air blower and the air separator, thus the content of nitrogen in the close fireproofing area is kept in the set range.
Description
Technical field
The utility model 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 purpose of this utility model is to provide a kind of active nitrogen-rich refractory protection that can flexible configuration, and 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 utility model 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 utility model 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 utility model 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 utility model; 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 utility model 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 nitrogen-rich refractory protection initiatively 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 |
|---|---|---|---|
| CN 200920032386 CN201505380U (en) | 2009-03-27 | 2009-03-27 | Refractory protection capable of automatically controlling content of nitrogen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920032386 CN201505380U (en) | 2009-03-27 | 2009-03-27 | Refractory protection capable of automatically controlling content of nitrogen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201505380U true CN201505380U (en) | 2010-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920032386 Expired - Lifetime CN201505380U (en) | 2009-03-27 | 2009-03-27 | Refractory protection capable of automatically controlling content of nitrogen |
Country Status (1)
| Country | Link |
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| CN (1) | CN201505380U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101559269B (en) * | 2009-03-27 | 2012-01-11 | 西安新竹防灾救生设备有限公司 | Active nitrogen-rich fire-proof device |
-
2009
- 2009-03-27 CN CN 200920032386 patent/CN201505380U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101559269B (en) * | 2009-03-27 | 2012-01-11 | 西安新竹防灾救生设备有限公司 | Active nitrogen-rich fire-proof device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100616 Effective date of abandoning: 20090327 |