CN109954241A - A kind of device and method with carbon dioxide Extinguish The Fire On Oil - Google Patents
A kind of device and method with carbon dioxide Extinguish The Fire On Oil Download PDFInfo
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- CN109954241A CN109954241A CN201910266751.0A CN201910266751A CN109954241A CN 109954241 A CN109954241 A CN 109954241A CN 201910266751 A CN201910266751 A CN 201910266751A CN 109954241 A CN109954241 A CN 109954241A
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- carbon dioxide
- oil tank
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/06—Fire prevention, containment or extinguishing specially adapted for particular objects or places of highly inflammable material, e.g. light metals, petroleum products
- A62C3/065—Fire prevention, containment or extinguishing specially adapted for particular objects or places of highly inflammable material, e.g. light metals, petroleum products for containers filled with inflammable liquids
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/04—Control of fire-fighting equipment with electrically-controlled release
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- Business, Economics & Management (AREA)
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a kind of device and method with carbon dioxide Extinguish The Fire On Oil, belong to fire-fighting equipment technical field, including storage tank, main line, branch pipeline and endless tube；The storage tank is used for storing carbon dioxide firing-fighting medium, and the carbon-dioxide fire engine medium includes gas phase carbon dioxide and liquid phase carbon dioxide；The main line separates the branch pipeline of at least one, and main line is used to storage tank carbon-dioxide fire engine medium being transported to branch pipeline；One end of the branch pipeline is communicated with endless tube；The endless tube is fixed in oil tank floating roof, is used for the uniform transport of carbon dioxide in oil tank sealing ring Along ent direction.Solve the problems such as slow large-scale petroleum storing tank blow-off velocity, pollution crude oil, long distance delivery firing-fighting medium crushing are big, easy ice is stifled, extinguishing chemical reserves are small.
Description
Technical field
The invention belongs to fire-fighting equipment technical fields, relate in particular to a kind of setting with carbon dioxide Extinguish The Fire On Oil
Standby and method.
Background technique
Petroleum and its liquid product are inflammable and explosive dangerous goods, and the enlargement of petroleum storage tank necessarily brings oil movement and storage fire-fighting
The huge challenge of safety.Petroleum storage tank mostly uses outer floating roof structure, according to American Petroleum Institute (API) to 81 fire incidents
Statistics, nearly 72.8% starts from outer one secondary seal circle of floating roof structure in the fire that storage tank occurs.Lightning stroke is to cause sealing ring fire
The main reason for.This kind of fire will appear " dodging quick-fried " first, at this point, part secondary seal and foam weir plate are impaired, form one
Three faces of local openings are limited combustion space；And then sealing ring is completely on fire；Final storage tank collapses.
From the point of view of situation is protected in the fire-fighting of large-scale petroleum storing tank, sealing ring froth fire extinguishing system is mostly used to be protected, so
And along with the enlargement of storage tank, conventional foam fire extinguishing system is increasingly difficult to meet the needs of practical fire attack.Study carefully its original
Cause, main cause have following three points: first is that traditional sealing ring froth fire extinguishing system, which starts to the entire liquid level of covering from system, to be needed
The overlong time wanted, its fire load is very big after the enlargement of simultaneous and storage tank, is difficult to once the fighting opportunity for missing Initial Stage of Fire
It is disposed；Second is that fire foam is to crude oil, there are biggish pollutions, once occur accidentally to spray or reveal, wherein storing
Crude oil can only cancel, and economic loss is serious；Third is that developing fire is rapidly and normal with explosion, it may be to secondary seal, foam
Weir plate, foam producer or foam fire-fighting pipe network damage, and fire extinguishing system is caused to fail completely or partially.
Gas extinguishing system all has the characteristics of " long ago, going out small " and to the free of contamination feature of oil product, but in addition to titanium dioxide
Carbon fire extinguishing system, other gas extinguishing systems can only be used as total flooding and protect, once secondary seal or weather shield are due to explosion
Breakage, closed environment is destroyed in sealing ring, will seriously affect every other extinction using gas other than removing carbon dioxide fire extinguishing system
The extinguishing effect of system, in other words, the CO2 extinguishment system for only having local fire extinguishment ability can solve explosion and resist energy
The integrity problem of power.
In view of this, the fire-fighting for large-scale petroleum storing tank is protected, needs one kind and have both quick response, high-effect fire-extinguishing, peace
Loopful protects, the fire extinguishing system of reliable performance.
Summary of the invention
The purpose of the present invention is provide in view of the above shortcomings a kind of equipment with carbon dioxide Extinguish The Fire On Oil and
Method, intend to solve large-scale petroleum storing tank blow-off velocity slow, pollution crude oil, long distance delivery firing-fighting medium crushing is big, it is stifled to be easy ice,
The problems such as extinguishing chemical reserves are small.To achieve the above object, the invention provides the following technical scheme:
A kind of equipment with carbon dioxide Extinguish The Fire On Oil, including storage tank 1, main line 2, branch pipeline 3 and endless tube 4；The storage
For tank 1 for pressure store in the carbon-dioxide fire engine medium of set interval, the carbon-dioxide fire engine medium includes gas phase dioxy
Change carbon 11 and liquid phase carbon dioxide 12；The main line 2 separates the branch pipeline 3 of at least one, and main line 2 is used for storage tank 1
Carbon-dioxide fire engine medium is transported to branch pipeline 3；One end of the branch pipeline 3 is communicated with endless tube 4；The endless tube 4 is fixed on oil
In 5 floating roof of tank, it is used for the 5 uniform transport of carbon dioxide in sealing ring Along ent direction of oil tank.By above structure it is found that the storage tank
1 is used for pressure store in the carbon-dioxide fire engine medium of set interval, i.e. carbon-dioxide fire engine medium is maintained at setting pressure area
Between, state to be spurted is kept at any time, if pressure store is lower than set interval, i.e., when temperature setting is lower, carbon-dioxide fire engine
Medium reserves ability increases, but blowing down pressure becomes smaller, if pressure store is higher than set interval, i.e., when temperature setting is higher, and two
Carbonoxide firing-fighting medium reserves ability reduces, but blowing down pressure becomes larger, this needs to carry out cooperation setting according to the size of oil tank 5；
Such as it can be by storage tank 1 through the measurement to end blowing down pressure test and storage tank reserves for 500 meters or more of longer transmission distance
Pressure is maintained at 5.0MPa~5.3MPa, that is, guarantees the carbon-dioxide fire engine medium of big reserves, but keep high pressure wait spurt
State, the state to be spurted of high pressure can avoid pipeline and the stifled problem of ice occur；The carbon-dioxide fire engine medium includes gas phase two
Carbonoxide 11 and liquid phase carbon dioxide 12, main line 2 protrude into the bottom in storage tank 1, contact with liquid phase carbon dioxide 12；Once hair
It lights a fire calamity, main line 2 discharges carbon dioxide, and external pressure is small, and 12 moment of liquid phase carbon dioxide becomes gas phase carbon dioxide 12, i.e.,
Oil tank carries out quick extinguishing and achievees the purpose that the oil tank that cools down again；The main line 2 separates the branch pipeline 3 of at least one, when one
Storage tank 1 when being responsible for an oil tank 5, then only one branch pipeline 3；A general storage tank 1 is responsible for four oil tanks 5, then there are four
Branch pipeline 3, main line 2 are used to 1 carbon-dioxide fire engine medium of storage tank being transported to branch pipeline 3；One end of each branch pipeline 3 is connected to
There is endless tube 4；Endless tube 4 is fixed in 5 floating roof of oil tank, can be moved with the movement of 5 floating roof of oil tank, it is known that it is soft that branch pipeline 3, which has part,
Property pipeline, facilitate endless tube 4 mobile with oil tank 5 floating roof and move；One end of branch pipeline 3 is communicated with endless tube 4, can directly be connected to
It can be with indirect communication；For endless tube 4 to the 5 uniform transport of carbon dioxide in sealing ring Along ent direction of oil tank, endless tube 4 is a formation closed loop
Pipe, compared to classification pipeline one-to-two, two divide four, four to divide eight to be extended again again to spurt the pipeline of mouth, 4 pressure loss of endless tube
It is small, be not in be classified pipeline air-flow obstruction cause the biggish pressure loss and hinder caused by flow reduce to form titanium dioxide
Carbon ice is stifled, and influences spurting for firing-fighting medium；To the 5 uniform transport of carbon dioxide in sealing ring Along ent direction of oil tank, according to oil tank 5
Structure, select position appropriate, substantially sealing ring Along ent nearby spurts carbon dioxide, and Along ent can be 12 equal parts
Point, or the Along ent of multiple quantity covers the fire location near sealing ring comprehensively.
It further, further include cooling assembly 13, heating component 14, pressure sensor and controller；The pressure sensing
Pressure information is passed to controller for measuring 1 pressure of storage tank by device；The controller is for controlling cooling assembly 13 or adding
Hot component 14 works, and controls the pressure of carbon-dioxide fire engine medium in storage tank 1 in certain section.By above structure it is found that
When carbon-dioxide fire engine pressure medium is lower than setting minimum value in pressure sensor monitoring to storage tank 1, controller control heating
Component 14 works, to carbon-dioxide fire engine medium heating boosting in storage tank 1, until pressure meets set interval, controller control
Heating component 14 stops working；When carbon-dioxide fire engine pressure medium is higher than setting maximum in pressure sensor monitoring to storage tank 1
When value, controller controls cooling assembly 13 and works, and is depressured to carbon-dioxide fire engine medium cooling in storage tank 1, until pressure meets
Set interval, controller control cooling assembly 13 stop working；Setting carbon-dioxide fire engine pressure medium in storage tank 1 always
Section；Cooling assembly 13 includes refrigeration unit, evaporation coil, and evaporation coil and refrigeration unit form closed loop；Evaporation coil
It is contacted with gas-phase space and liquid Space；Heating component includes casing and heater；Heater is arranged in casing；Casing and gas
Phase space and liquid Space contact.
It further, further include main control valve 15 and selector valve 16；The main line 2 is equipped with main control valve 15, described to be in charge of
Road 3 is equipped with selector valve 16；15 opening time of main control valve is later than selector valve 16.By above structure it is found that when fire occurs,
The controller controls corresponding selector valve 16 and opens, and corresponding branch pipeline 3 is connected；The unlatching of main control valve 15, main line 2 are controlled again
Conducting；It is less than main control valve 15 since selector valve 16 bears pressure capability, by first opening selector valve 16, is then turned on main control valve 15,
Be conducive to the selector valve 16 for protecting bearing capacity low；Controller controls corresponding selector valve 16, main control valve 15 opens or closes, can
With directly control can also be indirectly by pneumatic control.
Further, the radial tubes 6 of quantity identical as 5 sealing ring Along ent of oil tank are uniformly communicated on the endless tube 4；Institute
It is that starting point extends to 5 sealing ring Along ent of oil tank that radial tubes 6, which are stated, with endless tube 4, for uniformly conveying the carbon dioxide in endless tube 4
All standing fire extinguishing is carried out to 5 sealing ring of oil tank.By above structure it is found that radial tubes 6 start from endless tube 4, the sealing ring finally of radial tubes 6
Near Along ent, fire location is covered comprehensively, 6 terminal of radial tubes is provided that carbon dioxide is nozzle specially used.
Further, the 5 sealing ring Along ent of oil tank is 12.By above structure it is found that sealing ring Along ent is got over
Radial tubes more than 6 that are more, that is, being arranged, engineering difficulty and cost are bigger, and sealing ring Along ent is fewer, that is, the radial tubes 6 being arranged are got over
Few, then influence carbon dioxide spurts flow, and it is stifled to be likely to result in ice；5 sealing ring Along ent of oil tank be 12 be cost and
The coordination for spurting flow reaches best extinguishing effect, pressure spurts effect and effect at low cost.
Further, the endless tube 4 is equipped with the straight tube 8 with 4 overlapping diameters of endless tube；8 both ends of straight tube and endless tube 4 connect
It is logical；One end of the branch pipeline 3 is connected to endless tube 4 by straight tube 8.By above structure it is found that one end of branch pipeline 3 passes through straight tube 8
It is connected to endless tube 4, endless tube 4 quickly can be full of carbon dioxide, and carbon dioxide is transmitted to fire extinguishing point.
Further, carbon-dioxide fire engine medium temperature is maintained at 14.2 DEG C~16.7 DEG C in the storage tank 1, and pressure is kept
In 5.0MPa~5.3MPa.By above structure it is found that since storage tank 1 needs electricity consumption, cannot be placed in 5 floating roof of oil tank, it can only
It is placed on outside the cofferdam of oil tank 5, for large oil tank common at present, the long transmission urgently to be solved for seeking to 500 meters or more
Pressure can be maintained at 5.0MPa~5.3MPa, i.e., through the measurement to end blowing down pressure test and storage tank reserves by distance fire extinguishing
Guarantee the carbon-dioxide fire engine medium of big reserves, and keep the state to be spurted of high pressure, the state to be spurted of high pressure can be kept away
Exempt from pipeline and the stifled problem of ice occurs.
A method of with carbon dioxide Extinguish The Fire On Oil, saved oil using a kind of described in first item with carbon dioxide
The equipment of 5 fire of tank, the oil tank 5 are equipped with fire detector；The following steps are included: when fire detector detects oil tank 5
When fire occurs, the carbon-dioxide fire engine medium in storage tank 1 successively passes through main line 2, branch pipeline 3 arrives at endless tube 4, the endless tube
4 send carbon-dioxide fire engine homogeneous media to 5 sealing ring Along ent of oil tank, carry out 5 sealing ring all standing of oil tank fire extinguishing.By
Above structure is it is found that fire detector can be placed in 5 floating roof of oil tank, when fire detector detects oil tank 5 fire occurs, two
Carbonoxide firing-fighting medium is corresponding by the oil tank 5 of main line 2, the corresponding branch pipeline 3 of the oil tank 5 arrival generation fire that fire occurs
Endless tube 4, endless tube 4 sends carbon-dioxide fire engine homogeneous media to 5 sealing ring Along ent of oil tank, carries out oil tank 5 and seals
Enclose all standing fire extinguishing.
A method of with carbon dioxide Extinguish The Fire On Oil, it is characterised in that: use two using a kind of described in Section 6
The equipment of 5 fire of carbonoxide fighting oil tank, the oil tank 5 are equipped with fire detector；Including security step, level pressure step, go out
Fiery step and end step；
Security step are as follows: when fire detector does not detect oil tank 5, and fire occurs, all selector valves 16 are closed, Suo Youfen
Pipeline 3 is not turned on；Main control valve 15 is closed, and main line 2 is not turned on；
Level pressure step are as follows: when carbon-dioxide fire engine pressure medium is lower than setting minimum value in pressure sensor monitoring to storage tank 1,
Controller controls heating component 14 and works, to carbon-dioxide fire engine medium heating boosting in storage tank 1, until pressure meets setting area
Between, controller control heating component 14 stops working；When carbon-dioxide fire engine pressure medium in pressure sensor monitoring to storage tank 1
When higher than setting maximum value, controller controls cooling assembly 13 and works, and is depressured to carbon-dioxide fire engine medium cooling in storage tank 1,
Until pressure meets set interval, controller control cooling assembly 13 stops working；Make carbon-dioxide fire engine medium pressure in storage tank 1
Power is always in set interval；
Knocking down step are as follows: when fire detector detects oil tank 5, and fire occurs, fire detector is by 5 information of oil tank of detection
Pass to controller；The controller controls corresponding selector valve 16 and opens, and corresponding branch pipeline 3 is connected；Main control valve is controlled again
15 open, and main line 2 is connected；Carbon-dioxide fire engine medium in storage tank 1 successively passes through main line 2, branch pipeline 3, straight tube 8 and arrives at
Endless tube 4；Carbon-dioxide fire engine medium leads to oil tank 5 sealing ring, 12 Along ents from 12 radial tubes 6 on endless tube 4 again,
Carry out 5 sealing ring all standing of oil tank fire extinguishing；
End step are as follows: after knocking down step, when fire detector does not detect oil tank 5, and fire occurs, main control valve 15 is closed
It closes, main line 2 is not turned on；Corresponding selector valve 16 is closed, and corresponding branch pipeline 3 is not turned on.
The beneficial effects of the present invention are:
A kind of device and method with carbon dioxide Extinguish The Fire On Oil disclosed by the invention, using carbon dioxide to large-scale petroleum
Storage tank fire extinguishing fire extinguishing, avoids crude oil pollution, and waste gas recovery can be used in carbon dioxide, more environmentally friendly；Using gas-liquid two-phase
Carbon dioxide storage, and pressure in interval range, i.e. the high reserves of guarantee firing-fighting medium guarantee the blowing down pressure of fire extinguishing again, improve
Extinguishing effect avoids ice stifled；Using endless tube distribution structure, one-to-two with traditional gas, two point four, four point eight of I-shaped
It is different to be classified pipe network, the endless tube by being mounted on floating plate center realizes pressure equilibrium.Experiment proves that drawn from endless tube
After 12 radial tubes are pressed, the differing pressure of system distalmost end and most proximal end is less than 0.05MPa.The innovative design of endless tube is significantly simple
Change extinction using gas pipe network, reduced project installation difficulty, has CO2 extinguishment system floating in large-scale petroleum storing tank
The engineering specifications of disk installation application.A kind of device and method with carbon dioxide Extinguish The Fire On Oil disclosed by the invention solve
Large-scale petroleum storing tank blow-off velocity is slow, pollution crude oil, long distance delivery firing-fighting medium crushing is big, is easy ice blocks up, extinguishing chemical reserves
The problems such as small.
Detailed description of the invention
Fig. 1 is tank structure schematic diagram of the present invention；
Fig. 2 is overall structure of the present invention；
In attached drawing: 1- storage tank, 2- main line, 3- branch pipeline, 4- endless tube, 5- oil tank, 6- radial tubes, 8- straight tube, 11- gas phase dioxy
Change carbon, 12- liquid phase carbon dioxide, 13- cooling assembly, 14- heating component, 15- main control valve, 16- selector valve.
Specific embodiment
With reference to the accompanying drawing with specific embodiment, the present invention is described in more detail, but the present invention is not limited to
Following embodiment.
Embodiment one:
See attached drawing 1 ~ 2.A kind of equipment with carbon dioxide Extinguish The Fire On Oil, including storage tank 1, main line 2, branch pipeline 3 and ring
Pipe 4；The storage tank 1 is used for carbon-dioxide fire engine medium of the pressure store in set interval, the carbon-dioxide fire engine medium packet
Include gas phase carbon dioxide 11 and liquid phase carbon dioxide 12；The main line 2 separates the branch pipeline 3 of at least one, and main line 2 is used
In 1 carbon-dioxide fire engine medium of storage tank is transported to branch pipeline 3；One end of the branch pipeline 3 is communicated with endless tube 4；The endless tube 4
It is fixed in 5 floating roof of oil tank, is used for the 5 uniform transport of carbon dioxide in sealing ring Along ent direction of oil tank.By above structure it is found that
For pressure store in the carbon-dioxide fire engine medium of set interval, i.e., carbon-dioxide fire engine medium is maintained at sets the storage tank 1
Constant-pressure section keeps state to be spurted at any time, if being lower than set interval, carbon-dioxide fire engine medium reserves ability increases,
But blowing down pressure becomes smaller, if being higher than set interval, carbon-dioxide fire engine medium reserves ability reduces, but blowing down pressure becomes larger,
This needs to carry out cooperation setting according to the size of oil tank 5；Such as 500 meters or more of longer transmission distance, through being spurted to end
Pressure can be maintained at 5.0MPa~5.3MPa, that is, guarantee the carbon dioxide of big reserves by the measurement of pressure testing and storage tank reserves
Firing-fighting medium, and the state to be spurted of high pressure is kept, the state to be spurted of high pressure can avoid pipeline and the stifled problem of ice occurs；Institute
Stating carbon-dioxide fire engine medium includes gas phase carbon dioxide 11 and liquid phase carbon dioxide 12, and main line 2 protrudes into the bottom in storage tank 1
Portion is contacted with liquid phase carbon dioxide 12；Once fire occurs, main line 2 discharges carbon dioxide, and external pressure is small, liquid phase dioxy
Change 12 moment of carbon becomes gas phase carbon dioxide 12, i.e. oil tank progress quick extinguishing achievees the purpose that the oil tank that cools down again；The supervisor
Road 2 separates the branch pipeline 3 of at least one, when being responsible for an oil tank 5 for one storage tank 1, then only one branch pipeline 3；Generally
One storage tank 1 is responsible for four oil tanks 5, then there are four branch pipeline 3, main line 2 is used to convey in 1 carbon-dioxide fire engine medium of storage tank
To branch pipeline 3；One end of each branch pipeline 3 is communicated with endless tube 4；Endless tube 4 is fixed in 5 floating roof of oil tank, can be moved with 5 floating roof of oil tank
It moves and moves, it is known that it is flexible conduit that branch pipeline 3, which has part, facilitates endless tube 4 mobile with 5 floating roof of oil tank and moves；Branch pipeline 3
One end is communicated with endless tube 4, and can directly be connected to can also be with indirect communication；Endless tube 4 is uniformly defeated to 5 sealing ring Along ent direction of oil tank
Send carbon dioxide, endless tube 4 is the pipe for forming closed loop, compared to classification pipeline one-to-two, two divide four, four to divide eight to be expanded again again
The pipeline of mouth is spurted in exhibition, and 4 pressure loss of endless tube is small, be not in be classified pipeline air-flow obstruction cause the biggish pressure loss and
Flow caused by obstruction reduces that form carbon dioxide ice stifled, and influences spurting for firing-fighting medium；To 5 sealing ring Along ent side of oil tank
Position appropriate is selected according to the structure of oil tank 5 to uniform transport of carbon dioxide, substantially near sealing ring Along ent, equal part
Point can be 12 Along ents, or the Along ent of multiple quantity covers the fire location near sealing ring comprehensively
Lid.
It further include cooling assembly 13, heating component 14, pressure sensor and controller；The pressure sensor is for measuring
1 pressure of storage tank, and pressure information is passed into controller；The controller is for controlling 14 work of cooling assembly 13 or heating component
Make, controls the pressure of carbon-dioxide fire engine medium in storage tank 1 in certain section.By above structure it is found that working as pressure sensing
When device monitors that carbon-dioxide fire engine pressure medium is lower than setting minimum value in storage tank 1, controller controls heating component 14 and works,
To carbon-dioxide fire engine medium heating boosting in storage tank 1, until pressure meets set interval, controller control heating component 14 is stopped
Only work；When carbon-dioxide fire engine pressure medium is higher than setting maximum value in pressure sensor monitoring to storage tank 1, controller control
Cooling assembly 13 processed works, and is depressured to carbon-dioxide fire engine medium cooling in storage tank 1, until pressure meets set interval, controls
Device control cooling assembly 13 stops working；Make in storage tank 1 carbon-dioxide fire engine pressure medium always in set interval；Cooling assembly
13 include refrigeration unit, evaporation coil, and evaporation coil and refrigeration unit form closed loop；Evaporation coil and gas-phase space and liquid
Phase space contact；Heating component includes casing and heater；Heater is arranged in casing；Casing and gas-phase space and liquid phase are empty
Between contact.
It further include main control valve 15 and selector valve 16；The main line 2 is equipped with main control valve 15, and the branch pipeline 3 is equipped with
Selector valve 16；15 opening time of main control valve is later than selector valve 16.By above structure it is found that when fire occurs, the control
Device controls corresponding selector valve 16 and opens, and corresponding branch pipeline 3 is connected；The unlatching of main control valve 15 is controlled again, and main line 2 is connected；By
Pressure capability is born in selector valve 16 to be then turned on main control valve 15 by first opening selector valve 16 less than main control valve 15, be conducive to protect
Protect the low selector valve 16 of bearing capacity；Controller controls corresponding selector valve 16, main control valve 15 opens or closes, and can directly control
System can also be indirectly by pneumatic control.
The radial tubes 6 of quantity identical as 5 sealing ring Along ent of oil tank are uniformly communicated on the endless tube 4；The radial tubes 6
It is that starting point extends to 5 sealing ring Along ent of oil tank with endless tube 4, it is close for the carbon dioxide in endless tube 4 to be uniformly delivered to oil tank 5
Seal carries out all standing fire extinguishing.By above structure it is found that radial tubes 6 start from endless tube 4, sealing ring Along ent is attached finally for radial tubes 6
Closely, fire location is covered comprehensively, 6 terminal of radial tubes is provided that carbon dioxide is nozzle specially used.
The 5 sealing ring Along ent of oil tank is 12.By above structure it is found that sealing ring Along ent is more, that is, it is arranged
Radial tubes more than 6, engineering difficulty and cost are bigger, and sealing ring Along ent is fewer, that is, the radial tubes 6 being arranged are fewer, then influence
Carbon dioxide spurts flow, and it is stifled to be likely to result in ice；5 sealing ring Along ent of oil tank is cost for 12 and spurts flow
Coordinate, achievees the effect that best extinguishing effect and at low cost.
The endless tube 4 is equipped with the straight tube 8 with 4 overlapping diameters of endless tube；8 both ends of straight tube are connected to endless tube 4；Described point
One end of pipeline 3 is connected to endless tube 4 by straight tube 8.By above structure it is found that one end of branch pipeline 3 is connected to endless tube 4 by straight tube 8,
Endless tube 4 quickly can be full of carbon dioxide, and carbon dioxide is transmitted to fire extinguishing point.
Carbon-dioxide fire engine medium temperature is maintained at 14.2 DEG C~16.7 DEG C in the storage tank 1, and pressure is maintained at 5.0MPa
~5.3MPa.By above structure it is found that since storage tank 1 needs electricity consumption, it cannot be placed in 5 floating roof of oil tank, oil can only be placed on
Outside the cofferdam of tank 5, for large oil tank common at present, the longer transmission distance fire extinguishing urgently to be solved for seeking to 500 meters or more,
Through the measurement to end blowing down pressure test and storage tank reserves, pressure can be maintained to 5.0MPa~5.3MPa, i.e. guarantee great Chu
The carbon-dioxide fire engine medium of amount, and the state to be spurted of high pressure is kept, the state to be spurted of high pressure can avoid pipeline and go out
Existing ice blocks up problem.
Embodiment two:
See attached drawing 1 ~ 2.A method of with carbon dioxide Extinguish The Fire On Oil, carbon dioxide is used using a kind of described in first item
The equipment of 5 fire of fighting oil tank, the oil tank 5 are equipped with fire detector；The following steps are included: when fire detector detects
When fire occurs for oil tank 5, the carbon-dioxide fire engine medium in storage tank 1 successively passes through main line 2, branch pipeline 3 arrives at endless tube 4, institute
It states endless tube 4 to send carbon-dioxide fire engine homogeneous media to 5 sealing ring Along ent of oil tank, carries out 5 sealing ring all standing of oil tank
Fire extinguishing.By above structure it is found that fire detector can be placed in 5 floating roof of oil tank, fire detector detects oil tank 5 and fire occurs
When calamity, carbon-dioxide fire engine medium is by main line 2, the oil for the corresponding branch pipeline 3 of the oil tank 5 arrival generation fire that fire occurs
The corresponding endless tube 4 of tank 5, endless tube 4 send carbon-dioxide fire engine homogeneous media to 5 sealing ring Along ent of oil tank, carry out oil
5 sealing ring all standing of tank fire extinguishing.
Embodiment three:
See attached drawing 1 ~ 2.A method of with carbon dioxide Extinguish The Fire On Oil, it is characterised in that: using described in Section 6 one
The equipment of kind 5 fire of carbon dioxide fighting oil tank, the oil tank 5 are equipped with fire detector；It is walked including security step, level pressure
Suddenly, knocking down step and end step；
Security step are as follows: when fire detector does not detect oil tank 5, and fire occurs, all selector valves 16 are closed, Suo Youfen
Pipeline 3 is not turned on；Main control valve 15 is closed, and main line 2 is not turned on；
Level pressure step are as follows: when carbon-dioxide fire engine pressure medium is lower than setting minimum value in pressure sensor monitoring to storage tank 1,
Controller controls heating component 14 and works, to carbon-dioxide fire engine medium heating boosting in storage tank 1, until pressure meets setting area
Between, controller control heating component 14 stops working；When carbon-dioxide fire engine pressure medium in pressure sensor monitoring to storage tank 1
When higher than setting maximum value, controller controls cooling assembly 13 and works, and is depressured to carbon-dioxide fire engine medium cooling in storage tank 1,
Until pressure meets set interval, controller control cooling assembly 13 stops working；Make carbon-dioxide fire engine medium pressure in storage tank 1
Power is always in set interval；
Knocking down step are as follows: when fire detector detects oil tank 5, and fire occurs, fire detector is by 5 information of oil tank of detection
Pass to controller；The controller controls corresponding selector valve 16 and opens, and corresponding branch pipeline 3 is connected；Main control valve is controlled again
15 open, and main line 2 is connected；Carbon-dioxide fire engine medium in storage tank 1 successively passes through main line 2, branch pipeline 3, straight tube 8 and arrives at
Endless tube 4；Carbon-dioxide fire engine medium leads to oil tank 5 sealing ring, 12 Along ents from 12 radial tubes 6 on endless tube 4 again,
Carry out 5 sealing ring all standing of oil tank fire extinguishing；
End step are as follows: after knocking down step, when fire detector does not detect oil tank 5, and fire occurs, main control valve 15 is closed
It closes, main line 2 is not turned on；Corresponding selector valve 16 is closed, and corresponding branch pipeline 3 is not turned on.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all utilizations
Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content is applied directly or indirectly in other correlations
Technical field, be included within the scope of the present invention.
Claims (9)
1. a kind of equipment with carbon dioxide Extinguish The Fire On Oil, it is characterised in that: including storage tank (1), main line (2), be in charge of
Road (3) and endless tube (4)；The storage tank (1) is used for carbon-dioxide fire engine medium of the pressure store in set interval, the titanium dioxide
Carbon firing-fighting medium includes gas phase carbon dioxide (11) and liquid phase carbon dioxide (12)；The main line (2) separates at least one
Branch pipeline (3), and main line (2) is used to storage tank (1) carbon-dioxide fire engine medium being transported to branch pipeline (3)；The branch pipeline
(3) one end is communicated with endless tube (4)；The endless tube (4) is fixed in oil tank (5) floating roof, is used for oil tank (5) sealing ring equal part
The point uniform transport of carbon dioxide in direction.
2. a kind of equipment with carbon dioxide Extinguish The Fire On Oil according to claim 1, it is characterised in that: further include system
Cold component (13), heating component (14), pressure sensor and controller；The pressure sensor is used to measure storage tank (1) pressure,
And pressure information is passed into controller；The controller makes for controlling cooling assembly (13) or heating component (14) work
The pressure of the interior carbon-dioxide fire engine medium of storage tank (1) controls in certain section.
3. a kind of equipment with carbon dioxide Extinguish The Fire On Oil according to claim 2, it is characterised in that: further include master
Control valve (15) and selector valve (16)；The main line (2) is equipped with main control valve (15), and the branch pipeline (3) is equipped with selector valve
(16)；Main control valve (15) opening time is later than selector valve (16).
4. a kind of equipment with carbon dioxide Extinguish The Fire On Oil according to claim 3, it is characterised in that: the endless tube
(4) radial tubes (6) of quantity identical as oil tank (5) sealing ring Along ent are uniformly communicated on；The radial tubes (6) are with endless tube
(4) extend for starting point to oil tank (5) sealing ring Along ent, for the carbon dioxide in endless tube (4) to be uniformly delivered to oil tank (5)
Sealing ring carries out all standing fire extinguishing.
5. a kind of equipment with carbon dioxide Extinguish The Fire On Oil according to claim 4, it is characterised in that: the oil tank
(5) sealing ring Along ent is 12.
6. a kind of equipment with carbon dioxide Extinguish The Fire On Oil according to claim 5, it is characterised in that: the endless tube
(4) it is equipped with the straight tube (8) with endless tube (4) overlapping diameters；Straight tube (8) both ends are connected to endless tube (4)；The branch pipeline
(3) one end passes through straight tube (8) connection endless tube (4).
7. a kind of equipment with carbon dioxide Extinguish The Fire On Oil described according to claim 1 ~ one of 6, it is characterised in that: institute
It states the interior carbon-dioxide fire engine medium temperature of storage tank (1) and is maintained at 14.2 DEG C~16.7 DEG C, pressure is maintained at 5.0MPa~5.3MPa.
8. a kind of method with carbon dioxide Extinguish The Fire On Oil, it is characterised in that: using a kind of use as described in claim 1
The equipment of carbon dioxide fighting oil tank (5) fire, the oil tank (5) are equipped with fire detector；The following steps are included: working as fire
When detector detects oil tank (5) generation fire, the carbon-dioxide fire engine medium in storage tank (1) successively passes through main line (2), divides
Pipeline (3) arrives at endless tube (4), and the endless tube (4) sends carbon-dioxide fire engine homogeneous media to oil tank (5) sealing ring Along ent
On, carry out oil tank (5) sealing ring all standing fire extinguishing.
9. a kind of method with carbon dioxide Extinguish The Fire On Oil, it is characterised in that: using a kind of use as claimed in claim 6
The equipment of carbon dioxide fighting oil tank (5) fire, the oil tank (5) are equipped with fire detector；It is walked including security step, level pressure
Suddenly, knocking down step and end step；
Security step are as follows: when fire detector does not detect oil tank (5), and fire occurs, all selector valves (16) are closed, institute
There is branch pipeline (3) to be not turned on；Main control valve (15) is closed, and main line (2) is not turned on；
Level pressure step are as follows: when the interior carbon-dioxide fire engine pressure medium of pressure sensor monitoring to storage tank (1) is lower than setting minimum value
When, controller controls heating component (14) work, heats and boosts to the interior carbon-dioxide fire engine medium of storage tank (1), until pressure accords with
Set interval is closed, controller control heating component (14) stops working；When pressure sensor monitoring to storage tank (1) interior carbon dioxide
When firing-fighting medium pressure is higher than setting maximum value, controller controls cooling assembly (13) work, goes out to storage tank (1) interior carbon dioxide
Fiery medium cooling decompression, until pressure meets set interval, controller control cooling assembly (13) stops working；Make storage tank (1)
Interior carbon-dioxide fire engine pressure medium is always in set interval；
Knocking down step are as follows: when fire detector detects oil tank (5), and fire occurs, fire detector is by the oil tank (5) of detection
Information passes to controller；The controller controls corresponding selector valve (16) and opens, corresponding branch pipeline (3) conducting；It controls again
Main control valve (15) processed is opened, main line (2) conducting；Carbon-dioxide fire engine medium in storage tank (1) successively pass through main line (2),
Branch pipeline (3), straight tube (8) arrive at endless tube (4)；Carbon-dioxide fire engine medium is logical from 12 radial tubes (6) on endless tube (4) again
To 12 Along ents of oil tank (5) sealing ring, oil tank (5) sealing ring all standing fire extinguishing is carried out；
End step are as follows: after knocking down step, when fire detector does not detect oil tank (5), and fire occurs, main control valve
(15) it closes, main line (2) is not turned on；Corresponding selector valve (16) is closed, and corresponding branch pipeline (3) are not turned on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910266751.0A CN109954241A (en) | 2019-04-03 | 2019-04-03 | A kind of device and method with carbon dioxide Extinguish The Fire On Oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910266751.0A CN109954241A (en) | 2019-04-03 | 2019-04-03 | A kind of device and method with carbon dioxide Extinguish The Fire On Oil |
Publications (1)
| Publication Number | Publication Date |
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| CN109954241A true CN109954241A (en) | 2019-07-02 |
Family
ID=67025543
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910266751.0A Withdrawn CN109954241A (en) | 2019-04-03 | 2019-04-03 | A kind of device and method with carbon dioxide Extinguish The Fire On Oil |
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| Country | Link |
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| CN (1) | CN109954241A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110448825A (en) * | 2019-08-22 | 2019-11-15 | 应急管理部天津消防研究所 | A kind of fire integrated fire extinguishing system of large size floating roof tank and extinguishing method |
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