CN1108960A - Automatic fire prevention for gasoline transporting and storing - Google Patents
Automatic fire prevention for gasoline transporting and storing Download PDFInfo
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Abstract
An automatic fire-preventing technique for gasoline features that nitrogen or CO2 is used to cover the surface of gasoline in container to isolate it from air. It prevents the gasline from burning or exploring even if there is electric spark in its container. Its main accessories include gas tank, telescopic gas bag, steel cylinder of liquefied nitrogen or co2, gas-liquefying compressing or air separator, and automatic exhausting valve of gas.
Description
The present invention relates to the automatic fire prevention of gasoline, particularly gasoline container is at the automatic fire prevention of transporting and storing.
The invention motivation: Huang Island oil depot gasoline oil storage tank is because of being struck by lightning, and electric spark is ignited and formed fire; Nanjing Refinery gasoline tank boil-overs, tractor exhaust ashes initiation fire; Trans-ocean tanker also has breaking out of fire, and car (comprising racing car) runs foul of each other or is subjected to gunslinging, and the concurrent fire of fuel tank explosion etc. all make us soul-stirring.At frightened surplus quiet think of and inquired into gasoline container and be in the automatic fire prevention problem of accumulating with state.
The objective of the invention is the fire prevention of gasoline.Task of the present invention is to solve the automatic fire prevention problem of gasoline container in transporting and storing.The burning of combustible or the condition of blast are must possess with oxygen (air or other oxidant) to contact or temperature mixed and that reach burning or explode.This is the problem that theory and practice solves already, and has set up complete theoretical system and many-sided, the package of paid enforcement early.At the environment that gasoline container exists, hang the plate of " No Open Flames " everywhere, this is the safety measure that prevents the simple and effective universal whole world of gasoline breaking out of fire.But this considers that just the temperature of burning takes place gasoline, has also utilized " fuel oil and air are isolated " to put out a fire, or has prevented fire with the little fire that goes out; Do not considered at large that thereby gasoline and air insulated reached the purpose of gasoline automatic fire prevention, guaranteed the safety of gasoline in accumulating is used.
The present invention promptly is under the principle of " gasoline and air insulated " instructs, and adopts nitrogen or carbon dioxide to replace air to cover in gasoline container on the gasoline level, makes gasoline and air isolated, thereby reaches the purpose that makes gasoline container energy automatic fire prevention.Under such situation, even temperature arrives " burning-point of gasoline and air mixture or flash-point " that temperature, or in gasoline container, guide with electric spark, burning or blast can not take place yet.Below lift the application of the principle of five example explanations above-mentioned " with nitrogen or isolated gasoline of carbon dioxide and air "; Concrete operations are as long as rationally can have nothing in common with each other; Mentioned above principle also can be applicable to other low boiling combustible or oil and converted products thereof automatic fire prevention at transporting and storing, to guarantee safety.Five examples down are described subsequently successively.
One, the automatic fire prevention of gasoline oil storage tank
Two, the automatic fire prevention of oil truck (railway, highway)
Three, the automatic fire prevention of oil carrier (oil barge)
Four, the automatic fire prevention of drummed gasoline
Five, the automatic fire prevention of car
One, the automatic fire prevention of gasoline oil storage tank
Fig. 1-1 is a gasoline oil storage tank field schematic diagram.0 pipe valve of supplying gas, 1,3 oil-feed header valves, 2,4 fuel-displaced header valves, 5 oil spilling pipe valves (are drained the oil or water in the receiver of special-purpose no oxygen, wherein the gas of oily is got back to breather line--do not draw down slightly), 6 connections for breather pipe, 11,12 oil storage tanks, be the garden tubular, two ends become the segment shape, 111,121 liquid measure pipe valves about it, 112,122 liquid measure pipes, 113,123 oil-feed pipe valves, 114,124 fuel-displaced pipe valves are not drawn the earth connection, the whole district of explosion-proof Oil pump electrical machinery and every jar and every jar lightning rod among the figure.
Another gasoline tank district schematic diagram of Fig. 1-2,0 pipe valve of supplying gas, 1, the oily header valve of 2,3,4 turnover, 5 oil spilling pipe valves, 6 connections for breather pipe, 21,22,23 oil storage tanks, 211,221,231 liquid measure pipe valves, 212,222,232 liquid measure pipes, 213,223,233 turnover tubing valves, 224,234,235 main line pipe valves are not drawn ground wire, lightning rod, oil pump among the figure.
Fig. 1-3 float-type gas storage tank schematic diagram, 5 oil spilling pipe valves, 6 connections for breather pipe, the automatic emptying pipe valve of 7 gases, 8 gas source pipe valves, the reversible whereabouts pipe valve of 9 gases, the 31 gas storage tanks pipe valve of supplying gas, top, 32 garden floating drum (high 30 meters), 33 maximum air storage amount restriction cards, 34 garden shape storage tanks (high 50 meters, as to be filled with water), 35 balanced body, totally six to eight on every side.The maximum voltage endurance capability of total system is about 3 * 10
5Pascal.Be suitable for storing nitrogen.Partly sit underground type, be beneficial to heat-preserving anti-freezing.
Fig. 1-4 water tower formula gas storage tank schematic diagram, 5 oil spilling pipe valves, 6 connections for breather pipe, the automatic emptying pipe valve of 7 gases, 8 gas source pipe valves, the reversible whereabouts pipe valve of 9 gases, 40 pipe valves of supplying gas, 41 liquid measure pipes, 42 automatic valves upwards, 1401 air receivers, 1402 water storage tanks, 1403 water towers (h=30 rice), the maximum voltage endurance capability of total system is about 3 * 10
5Pascal.Be suitable for storing nitrogen.
The scalable air storage bag of Fig. 1-5 schematic diagram, 502 air storage bags, 506,507 turnover tracheae valves, 508 oil spilling pipe valves, 509 automatic bidirectional air delivery valves (upper right corner is its amplification) are when air pressure 2.5 * 10
5Supply gas to one side during Pascal, 510 springs, 511 steel balls are with packing ring, 512 automatics blow off valve valve air relief, air pressure inside 3 * 10
5Automatic deflation during Pascal.Air storage bag (502) is used to store nitrogen or carbon dioxide, maximum voltage endurance capability about 3 * 10
5Pascal and 5 * 10
5Two kinds of Pascals are not subjected to the gasoline corrosion, can adapt to the temperature Change voltage endurance capability and not subtract.
Fig. 1-1 or Fig. 1-2 can combine with Fig. 1-3, Fig. 1-4 or Fig. 1-5.
Fig. 1-the 6th, the combination of Fig. 1-1 and Fig. 1-3 can be consulted its explanation.Owing in the gas storage tank more water is arranged, be unsuitable for the storage carbon dioxide so only be suitable for storing nitrogen, water-soluble because of the latter, especially pressurized conditions is just more remarkable down.Can in the water of storage tank, add antifreezing agent such as methyl alcohol, glycerine winter ... Deng, the measure of heating should be considered in the north.
Fig. 1-the 7th, the combination of Fig. 1-2 and Fig. 1-5 can be consulted its explanation.Air storage bag (502) often is in half-full.
Fig. 1-6, Fig. 1-7 is made up of oil storage and air storage two parts, and air storage part end all has the automatic atmospheric valve of gas (7), gas source valve (8) to connect the mouth of pipe of liquid nitrogen steel cylinder or carbon dioxide steel cylinder or process gas; The reversible whereabouts valve of gas (9) is factory, the workshop of nitrogen or carbon dioxide being sent to demand, or sends back from these factory floors, and gas can be regulated use, does not draw steel cylinder, compressor among the figure.When gas does not have the outlet can't hold again, automatically emptying (7) is reported to the police simultaneously to cause operating personnel's attention, and { as stop oil-feed or put some oil or improve reversible whereabouts (9) etc. } should take immediate steps, stop gas emptying, because contain gasoline vapour in the gas.The pasta temperature of oil storage tank should be lower than the temperature of air storage part slightly in addition, can reduce gasoline like this and partly condense in air storage.The gas capacity size of gas storage tank and air storage bag will be decided (several gas storage devices can be connected use to increase gas capacity) according to oil storage tank with the situation of gas source, reversible whereabouts, it is the auxiliary device of gasoline oil storage tank field; Need oil refining produced and other (chemical fertilizer, emptyly divide, system alkali, beverage) industrial production connects to do to consider every possible angle and tentatively fixs general air storage capacity and make comparisons reasonably that arrangement designs through production process is on probation then again., make a return journey easily gas reliable for gas source is more suitable for adopting the device (the co 2 liquefaction ratio is easier to) of Fig. 1-7.
Charge operation (one) douche 1. gets up connection for breather pipe " 6 " butt joint of the gentle body storage tank in oil storage tank field as Fig. 1-6 first; 2. top, garden floating drum (32) is in minimum [if air receiver (1401) should be filled with water].3. oil storage tank and gas storage tank being filled with water (opens all pipe valves earlier, then water pipe is connected oil-feed house steward (1), switch on the pump, see that mouth of pipe water outlet later on and just close that pipe valve, inner air is all discharged, drip until not holding, when closing all pipe valves, stop water pump.4. gas source pipe valve (8) connects the liquid nitrogen steel cylinder, open all pipe valves except that the pipe valve of supplying gas (0), oil spilling pipe valve (5), the automatic atmospheric valve of gas (7), the reversible whereabouts pipe valve of gas (9), turn on the liquid nitrogen steel cylinder, input nitrogen can see that from the liquid measure pipe water level descends, until having put water, close header valve (1,2,3,4) immediately, i.e. inflation finishes, and closes gas source pipe valve (8), tightens the liquid nitrogen steel cylinder.In gas replenishment process, can open oil spilling pipe valve (5), residual water is discharged, close spill valve (5) then immediately.
(2) empty point-score 1. is as Fig. 1-6, Fig. 1-7, close all pipe valves, open the automatic emptying pipe valve of gas (7), fill clear water and top, garden floating drum (32) is put into extreme lower position to float-type gas storage tank, and close the pipe valve of supplying gas (the 31) { air receiver (1401) of water tower formula gas storage tank, should fill with clear water and close the pipe valve of supplying gas (40), or, close the automatic emptying pipe valve of gas (7) subsequently with scalable air storage bag (502) flattening; 2. oil storage tank field oil pipe header valve (1,2,3,4) merging is connected to the air separation machine air inlet, the reversible whereabouts pipe valve of gas (9) is connected to the air separation machine exhaust outlet, gas source pipe valve (8) connects the liquid nitrogen steel cylinder, open and remove the pipe valve (0 of supplying gas, 31), oil spilling pipe valve (5), the automatic emptying pipe valve of gas (7), gas source pipe valve (8) all pipe valves in addition, start air separation machine then and make the interior air circulation of closed system, in the pressurization temperature-fall period, oxygen liquefaction earlier is stored in steel cylinder, make nitrogen and oxygen separation, thereby remove the remaining nitrogen of oxygen, after oxygen content is less than standard and meets the requirements in the check nitrogen, stop air separation machine, open the deficiency that gas source pipe valve (8) input nitrogen (the air storage bag can be imported carbon dioxide) replenishes air pressure.Close all pipe valves except that the pipe valve of supplying gas (31) at last, remove air separation machine.
(3) metal deoxidizing, step with empty point-score, and replace air separation machine with the closed oxidation furnace of heating wire heating of metal copper or iron, (charcoal process need not burn owing to the solid-state metal oxide of generation is removed the remaining nitrogen of oxygen, has a small amount of poisonous carbon monoxide like that, so inadvisable).
(4) risk method 1. is with (two) empty point-score step 1.2. select fine (no thunder and lightning) date that there was dampness in the air (ground does not have electrostatic accumulation), the oil storage tank field header valve (1,2,3,4) that advances to drain the oil is connected to gasoline (if just safe with the diesel oil) output channel of oil plant, open all pipe valves except that pipe valve of supplying gas (0,31) and oil spilling pipe valve (5) and start oil pump, rise from the visible oil level of liquid measure pipe, when oil storage tank will store up full oil, open near the oil spilling pipe valve (5) of connection for breather pipe (6) if see oil dripping, close conveniently, stop the oil pump oil-feed this moment immediately, closes all pipe valves.3. gas source pipe valve (8) connects liquid nitrogen or liquid carbon dioxide steel cylinder and turns on steel cylinder, open all pipe valves except that air delivery valve (0,31), oil spilling pipe valve (5), the automatic emptying pipe valve of gas (7), the reversible whereabouts pipe valve of gas (9), oil pump changes into fuel-displaced, nitrogen or carbon dioxide enter oil level and fall after rise, and oxygen content is satisfied the criteria and can be stopped oil pump and close turnover oily header valve (1,2,3,4) in (if should all emit with diesel oil) check gas.4. open the pipe valve of supplying gas (31), since gas enter top, garden floating drum (32) is risen gradually (bottom is raised to dotted line position, water tower formula gas storage tank then liquid level drops to the centre position of expansion box), scalable air storage bag (502) is in plentiful, stop air inlet and close gas source pipe valve (8) this moment, tightens steel cylinder.This method will inflate and oil-feed to combine be an advantage, be its defective but the danger of breaking out of fire is arranged, as long as careful or desirable.
After the oil storage operation inflation, as Fig. 1-6, Fig. 1-7, the gasoline source connects the oil-feed house steward and opens header valve (1), the pipe valve (31) of supplying gas, first oil storage tank (11,21) oil-feed pipe valve (113,213) and liquid measure pipe valve (111,211), start oil pump, gasoline enters first oil storage tank (11,21), from liquid measure pipe (112,212) visible oil level rises, top, the garden floating drum (32) of gas storage tank rises or the bloated gradually height of air storage bag (502) gradually simultaneously, increased gas capacity, when gasoline will be filled with first oil storage tank (11,21) (should reserve gasoline thermal expansion space) time and send signal automatically, at this moment should open second oil storage tank (12,22) oil-feed pipe valve (123,223) and liquid measure pipe valve (121,221) also close first oil storage tank (11 simultaneously, 21) oil-feed pipe valve (113,213), equally successively to the 3rd, four ... (13,14 ..., 23,24 ...) oil storage tank sends gasoline to.If because oil-feed makes at 4/5 o'clock of gas comprises gas storage tank (34) or air storage bag (502) heap(ed) capacity, can open the reversible whereabouts pipe valve of gas (9) digestive gas (some gasoline condenses and is back to oil storage tank earlier), when gas storage tank (34) or air storage bag (502) has been store full gas, the reversible whereabouts pipe valve of gas (9) also can't digest, air pressure inside increases to about 3 * 10
5Pascal, the automatic emptying pipe valve of gas (7) is just opened automatically and is allowed gas enter atmosphere at that time, give the alarm simultaneously (gas of putting into atmosphere contains gasoline vapour), should adopt measure immediately as improving the digestive gas method, stop oil-feed, emitting a part of gasoline etc. alarm is stopped.Close the pipe valve of into draining the oil, the reversible whereabouts pipe valve of gas (9) at last.
Drain the oil operation as Fig. 1-6, Fig. 1-7, after the oil storage, the gasoline that can comply with one's wishes and emit arbitrary jar, as emitting first oil storage tank (11,21) gasoline, can open the fuel-displaced pipe valve (114 of first oil storage tank, 213), liquid measure pipe valve (111,211) and header valve (2) the main line pipe valve (224) and the pipe valve (31 of supplying gas, 506) (do not need especially, this valve does not cut out), starting oil pump quickens to drain the oil, descend from the visible oil level of liquid measure pipe, when first oil storage tank (11, when 21) having put oil, close its fuel-displaced pipe valve (114 immediately, 213), open second oil storage tank (12 simultaneously, 22) liquid measure pipe valve (121,221) and fuel-displaced pipe valve (124,223); So successively from third and fourth ... (13,14 ... 23,24 ...) ... oil storage tank is sent gasoline.
If the process of draining the oil, gas storage tank or the no gas supply of air storage bag (502), the pipe valve (31) of supplying gas this moment will be closed automatically, gives the alarm simultaneously, also stops oil pump automatically and drains the oil, closes header valve (2).Should be in time from gas source pipe valve (8), or the reversible whereabouts pipe valve of gas (9) send a part of gas to gas storage tank or air storage bag (502), also can advance a part of gasoline to oil storage tank and meet an urgent need.
She Ji gasoline oil storage tank field like this, though increased gas storage tank or air storage bag (502), but can simplify the internal structure of gasoline oil storage tank, intensity might be changed in peacetime in the tank farm of sparse type, thereby can save floor space, and most importantly safety problem has thorough assurance, so be very feasible, especially at the abominable changing period of global climate, especially big storm and especially big arid occur simultaneously or alternately occur, lightning accompanied by peals of thunder, ground static duty is poly-, and with the guiding cause of fire that there is no lack of strange things, this design will have crucial meaning.
Two, the automatic fire prevention of oil truck (railway, highway)
Fig. 2 oil truck is to the oil depot emptying schematic diagram 0 oily header valve of pipe valve 1,2 turnover of supplying gas, 5 oil spilling pipe valves, 6 connections for breather pipe, 7 automatic emptying pipe valves, 8 gas source pipe valves, the reversible whereabouts pipe valve of 9 gases, the oil tank of 200 cars, 201 oil depot oil storage tanks, 34 gas storage tanks are consulted Fig. 1-3 and explanation thereof, 011 liquid measure pipe valve, 012 liquid measure pipe, 013 oil depot oil storage tank turnover tubing valve, the oil tank turnover tubing valve of 014 car, the oil tank of 015,016 car pipe valve suitable for reading, 502 scalable air storage bags are consulted Fig. 1-5 and explanation thereof.
For the first time the oil tank (200) of car is filled with gasoline, flatten { the method for operating: the oil tank turnover tubing valve (014) of car is received gasoline oil storage tank field pass in and out oily header valve (1) of all air in air storage bag (502) the discharge system ... open the two pipe valve, start the oil tank (200) that oil pump gasoline enters car, (discharge air) stops oil-feed when filling }; Then the oil tank of car pipe valve suitable for reading (015) is docked with gasoline oil storage tank field snorkel valve (0), open the oil tank that pipe valve starts car and go out oil pump, part gasoline is refunded the gasoline oil storage tank, part nitrogen enters the oil tank (200) of car, when reaching safe innage, stop oil pump and close relevant pipe valve.Automatically the two-way valve of supplying gas (509) of air storage bag (502) is received the oil tank pipe valve suitable for reading (016) of car, and it is 5 * 10 that air storage bag (502) is deposited the maximum voltage endurance capability of half-full nitrogen (or carbon dioxide)
5Pascal.
Oil truck keeps airtight in the process of transporting, should be firm on the structure, and the system's inner volume that the ability temperature Change causes and the variation of pressure, half-full air storage bag (502) can play compensator or trimmer pressure.
When oil truck is delivered to the somewhere oil depot with gasoline, the oil tank of car (200) gasoline imports and exports (014) and oil depot oil storage tank (201) gasoline is imported and exported (013) (1) butt joint, oil tank of car (015) suitable for reading and the oil depot pipe valve (0) of supplying gas is connected, open relevant pipe valve and start oil pump, make gasoline enter oil depot oil storage tank (201) from the oil tank (200) of car, nitrogen enters the oil tank (200) of car from the oil depot district, and flattening air storage bag (502) makes nitrogen or carbon dioxide enter the oil tank (200) of car, advancing to drain the oil finishes, and closes oil pump and relevant pipe valve (see figure 2).Oil truck can prevent to take place burning or blast at storage and transport process in oil tank (200) like this.
Three, the automatic fire prevention of oil carrier (oil barge)
The little cargo tank distribution schematic diagram of Fig. 3-1 oil carrier, 1,2,3 ... little cargo tank sequence number for hypothesis.
The little cargo tank gas-liquid of Fig. 3-2 oil carrier pipeline schematic diagram is not drawn pipeline pipe valve suitable for reading, air storage bag and terminal pipe valve among the figure.Each cabin of gas pipeline can be with one, suitable for readingly changes two mouthfuls of two-tube valves into and replaces two gas pipelines also can.1 ', 1 " petroleum pipeline, 0 ', 0 " appendix, dotted line represents that pipeline connects and oil level.
Oil carrier (oil barge) is adorned gasoline for the first time and can be adopted cargo tank to fill gasoline earlier, not remaining point space is discharged the air in the little cargo tank (want strictness to follow operating instructions and guarantee safety) fully, then to defeated an amount of nitrogen or the topped gasoline level of carbon dioxide of cargo tank, there is small quantities of gasoline to flow backwards and gets back to the oil storage tank of oil storage tank field, can stop turnover oil when little cargo tank reaches safe innage.
The little cargo tank of oil carrier is answered good seal, oil carrier should have steel cylinder, confession carbon dioxide or the liquefaction of nitrogen compressor of a scalable air storage bag of gas (502) [consulting Fig. 1-5, Fig. 1-7 and explanation thereof], liquid carbon dioxide or liquid nitrogen, uses as gas source (8), the reversible whereabouts of gas (9).In order to the volume of dealing with the G﹠O that temperature Change causes and the variation of pressure.
When oil carrier sails to certain port oil depot, connect oil carrier and the gas of oil depot and the pipeline of gasoline, to open pipe valve and start oil pump, gasoline enters oil depot from oil carrier, and gas enters oil carrier from oil depot.
Oilburg adopts " big oil carrier, little cargo tank " structure, to reduce in case the extent of damage of disaster may take place, shown in Fig. 3-1,1, by 1,2,3 ... the order charge of oil, by opposite order emptying.2 if the gasoline of same grade, available balance charge of oil method, i.e. and each little cargo tank oil-feed simultaneously, oil level rises simultaneously.[see Fig. 3-2, close pipe valve " 0.1 ", along dotted line connect gas, oil conduit, tank farm petroleum pipeline (2) connects with ship cargo tank petroleum pipeline (1 '), tank farm snorkel (0) is connected with the appendix (0 ') of ship cargo tank, start oil pump, oil enters ship cargo tank (close the tracheae valve of a cargo tank in short-term, can make oil cross the cabin), gas oil return tank field].Middle cargo tank should be slightly greatly and slightly little along the limit, and each cargo tank two petroleum pipelines and two appendixs, each mouth of pipe have pipe valve, uses so that connect flexibly.
Can prevent that so burning or blast take place gasoline in the cargo tank, the fire prevention outer to cargo tank also provides very advantageous conditions.
Four, the automatic fire prevention of drummed gasoline
Fig. 4-1 petrol drum longitudinal section schematic diagram, 401 gasoline are imported and exported, 402 gas inlet and outlets, 403 oil guide pipes.
Fig. 4-2 gasoline is imported and exported the longitudinal section schematic diagram of stopper, 403 oil guide pipes, and 404 stopper end openings, 405 springs, 406 removable covers, the plastic sheet or the sheet rubber of the anti-gasoline dissolving of interior pad, 407 steel balls, 408 packing rings, 409 external oil guide pipes rely on clamp to be buckled in the mouth of pipe.The stopper bottom tightens at the oil drum mouth, and unclamp on stopper top, and spring (405) upwards compresses removable cover (406), and natural enclosing is just not fuel-displaced; When external oil guide pipe is pressed in oral area, tighten upper stopper, torsion is depressed removable cover (406) by steel ball (407), and fuel dispensing outlet becomes path.
The longitudinal section schematic diagram of Fig. 4-3 gas inlet-outlet stopper, 410 stopper end openings, 411 springs, 412 garden balls (bronze) have elastic tape or plastic ring above it, 413 packing rings, 414 gas pipeline tube connectors.
Import gasoline from the gasoline gateway (401) of oil drum for the first time, discharge whole air, connect the pipe valve of supplying gas (0) of gasoline oil storage tank field (Fig. 1-6, Fig. 1-7) with the gas inlet-outlet (402) that is about to oil drum, send into an amount of nitrogen or carbon dioxide to oil drum, some gasoline is refunded oil storage tank, till being safe innage in the bucket.Attention in Various Seasonal, gasoline grade difference, to deposit barrel asynchronism(-nization) safety innage also different.Petrol drum should have certain robustness, seals gas, the volume of oil and the variation of pressure that good ability temperature Change causes; Do not tan by the sun and load and transport summer, and strictness is carried out safety regulation for operations, stopped the thermal expansion explosion accident.Above-mentioned drummed gasoline can prevent to take place in the bucket burning or blast.No auxiliary device should be specifically noted that safe innage.
Five, the automatic fire prevention of car
The petrol tank of car (comprising gasoline automobile and racing car) is in collision or middle bullet very easily sets off an explosion and breaking out of fire, as shown in Figure 5, be petrol tank and scalable air storage bag schematic diagram, 501 petrol tanks, 502 scalable air storage bags, its upper end is heavy slightly, can depress exhaust naturally, be not subjected to the gasoline corrosion, performance was constant when the energy adaptive temperature changed, and maximum voltage endurance capability is about 3 * 10
5Pascal (1 standard atmospheric pressure=1.01325 * 10
5Pascal) interior inflated with nitrogen or carbon dioxide can several logotypes.503 connect the tubing valve of gasoline engine, 504 gasoline inlet pipe valves, 505 fuel tanks pipe valve suitable for reading, 506, the gas inlet and outlet pipe valve of 507 air storage bags, 508 oil spilling pipe valves, 509 two-way valves of supplying gas automatically, can replace pipe valve (506) to be access to fuel tank (505) suitable for reading, when air pressure reaches 2.5 * 10
5During Pascal, two-way valve (509) will be opened automatically, supply gas to another side.The pasta temperature of fuel tank (501) is lower than the temperature of air storage bag (502) slightly, then can reduce gasoline condensing in air storage bag (502).
Earlier air storage bag (502) is flattened, drain wherein air, fill gas from liquid nitrogen steel cylinder or liquid carbon dioxide steel cylinder, and fuel tank (501) filled with gasoline, until (505) suitable for reading oil dripping, be about to fuel tank (505) suitable for reading and be connected with air storage bag (502) gas outlet (506), allow a small amount of gas enter fuel tank (501), gasoline has refunds oil storage tank on a small quantity, closes fuel-displaced pipe valve (503).The fuel-displaced pipe valve of fuel tank (503) can connect to internal combustion engine and wait for driving.The frequent filling oil mass of fuel tank (501) is no more than safe innage.The gasoline that condenses in the air storage bag (502), water can be emitted through oil spilling pipe valve (508).
Can guarantee in the fuel tank not can catching fire in design like this, also can not blast.Also very favourable to the safety beyond the oil tank system.
Above-mentioned five examples adopt nitrogen or carbon dioxide to protect each local safety according to different situations.If can generally use, adopt the possibility of carbon dioxide bigger in the future, because it is than the easy liquefaction of nitrogen, the energy reactive power consumption is fewer, will generally be adopted, or adopts the mixed air of the two.But through liquefaction several times or arrive the gas storage tank several times, with regard to remaining nitrogen only.Do not lose carbon dioxide through liquefaction,, spill into atmosphere at last in of the dissolving of gas storage tank through water.Can adopt additional method in case of necessity, promptly standby liquid carbon dioxide steel cylinder.The back example only briefly explains, and should consult the explanation of front.
Claims (6)
1, gasoline is in the automatic fire prevention technology of transporting and storing, and its principal character is that to use nitrogen or carbon dioxide topped the contacting of isolated gasoline of gasoline level and air in various gasoline containers, can reach automatic fire prevention.The main auxiliary device of gasoline container has gas storage tank (Fig. 1-3, Fig. 1-4), scalable air storage bag (502), liquid nitrogen steel cylinder or liquid carbon dioxide steel cylinder, gas liquefaction compressor or air separation machine, the automatic atmospheric valve of gas (7).
2, gasoline as claimed in claim 1 is in the automatic fire prevention technology of transporting and storing, one application example: " gasoline oil storage tank field ", except nitrogen or the topped gasoline level secluding air of carbon dioxide, it is characterized in that the gas storage tank only holds nitrogen, air storage bag (502) then can hold nitrogen and carbon dioxide, the volume-variable of gas storage tank or air storage bag also has gas source valve, the reversible whereabouts valve of gas, and the automatic atmospheric valve of gas can adapt to volume, the pressure change of G﹠O.
3, gasoline as claimed in claim 1 is in the automatic fire prevention technology of transporting and storing, the Another Application example: " gasoline truck " is except nitrogen or the topped gasoline level secluding air of carbon dioxide, it is characterized in that oil truck in transportation, have only air storage bag (502) as the pressure buffer utensil.
4, gasoline as claimed in claim 1 is in the automatic fire prevention technology of transporting and storing, it is an application example again: " oil carrier or the oil barge " that carries gasoline, except nitrogen or carbon dioxide topped the gasoline level secluding air of each cargo tank, it is characterized in that adopting the form shipment gasoline of " big oil carrier, little cargo tank ", without the gas storage tank only with air storage bag (502), other has liquid nitrogen steel cylinder or liquid carbon dioxide steel cylinder, gas liquefaction compressor, the automatic atmospheric valve of gas auxiliary.
5, gasoline as claimed in claim 1 is in the automatic fire prevention technology of transporting and storing, its another application example: " drummed gasoline " in oil drum, have nitrogen or carbon dioxide topped the gasoline level secluding air guarantee in the oil drum not can be on fire or blast, it is characterized in that oil drum two is suitable for reading has particular design to make air can not enter oil drum.
6, gasoline as claimed in claim 1 is in the automatic fire prevention technology of transporting and storing, its last application example: " car ", in nitrogen or the topped fuel tank of carbon dioxide the gasoline level secluding air, the fuel tank that it is characterized in that being in operation is connected with air storage bag (502), fuel feeding is continuous, also can be not on fire in the fuel tank.
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| CN 94119710 CN1108960A (en) | 1994-12-08 | 1994-12-08 | Automatic fire prevention for gasoline transporting and storing |
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|---|---|---|---|
| CN 94119710 CN1108960A (en) | 1994-12-08 | 1994-12-08 | Automatic fire prevention for gasoline transporting and storing |
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| CN1108960A true CN1108960A (en) | 1995-09-27 |
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| CN 94119710 Pending CN1108960A (en) | 1994-12-08 | 1994-12-08 | Automatic fire prevention for gasoline transporting and storing |
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| CN106582181A (en) * | 2017-01-03 | 2017-04-26 | 上海联金环保科技有限公司 | Air purifier |
| US10881112B2 (en) | 2015-02-18 | 2021-01-05 | Generale Biscuit | Soft cake and method of manufacture thereof |
| CN113002407A (en) * | 2021-03-24 | 2021-06-22 | 深圳市旺久鑫科技有限公司 | Special equipment for anti-collision protection of oil tank truck |
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1994
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| CN101884829A (en) * | 2010-06-28 | 2010-11-17 | 杨杨 | Installation process of oil loading rack fire-extinguishing system of rail tank car |
| CN101884829B (en) * | 2010-06-28 | 2015-04-22 | 杨杨 | Installation process of oil loading rack fire-extinguishing system of rail tank car |
| CN104176007A (en) * | 2014-07-07 | 2014-12-03 | 江苏名和集团有限公司 | Method and system for monitoring abnormal change of fuel oil in fuel oil tank |
| US10881112B2 (en) | 2015-02-18 | 2021-01-05 | Generale Biscuit | Soft cake and method of manufacture thereof |
| CN105584070A (en) * | 2016-02-26 | 2016-05-18 | 三力士股份有限公司 | Preparation method of impregnated cloth for triangular belts |
| CN106582181A (en) * | 2017-01-03 | 2017-04-26 | 上海联金环保科技有限公司 | Air purifier |
| CN113002407A (en) * | 2021-03-24 | 2021-06-22 | 深圳市旺久鑫科技有限公司 | Special equipment for anti-collision protection of oil tank truck |
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