CN205872947U - Pressure release interlock system bleeds - Google Patents
Pressure release interlock system bleeds Download PDFInfo
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- CN205872947U CN205872947U CN201620764525.7U CN201620764525U CN205872947U CN 205872947 U CN205872947 U CN 205872947U CN 201620764525 U CN201620764525 U CN 201620764525U CN 205872947 U CN205872947 U CN 205872947U
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- storage tank
- oil storage
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- pressure
- gas
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Abstract
The utility model discloses a pressure release interlock system bleeds, including oil storage tank, setting in order to detect on the oil storage tank pressure measurement, the setting of oil storage tank internal pressure are in oil storage tank top and with the oil gas condensing equipment of oil storage tank intercommunication and according to the vacuum pump of bleeding that pressure value that pressure measurement detected was opened and close, oil gas condensing equipment's upper end is equipped with the gas outlet, vacuum pump connection bleeds the gas outlet. The utility model discloses a pressure release interlock system bleeds, through the cooperation of vacuum pump and pressure measurement, the automatic start step -down of bleeding when the great default of oil storage tank internal pressure to the atmosphere earlier through oil gas condensing equipment, can directly not arranged to oil gas, reduces oil gas leak potential safety hazard of bringing and to the pollution of environment of relief valve on through the oil storage tank.
Description
Technical field
This utility model relates to oil storage tank pressure release technical field, particularly relates to one and bleeds pressure release interlock system.
Background technology
In the place such as gas station, oil truck, in refueling process, transportation, generally have oil gas volatilization out.Wherein,
During refueling, have oil gas enter oil tank, due to volume read-out: recovery oil gas is that 1:1-1.2 (i.e. adds one liter of oil and has 1 liter
Oil tank is returned to the oil gas of 1.2 liters), so when oil gas enters oil tank amount more than volume read-out, tank pressure will certainly raise, when
When oil tank reaches certain pressure, oil tank will pressure release.The oil tank pressure release of currently the majority gas station be in tank gas directly to sky
Gas discharges, pollutes the environment, also have the danger of fire and blast when oil-gas accumulation.
Utility model content
The technical problems to be solved in the utility model is, it is provided that oil storage tank Automatic-bleeding is carried out by one by vacuum pump
The pressure release interlock system of bleeding of blood pressure lowering.
This utility model solves its technical problem and be the technical scheme is that offer one is bled pressure release interlock system,
The pressure-detecting device that including oil storage tank, detects described oil storage pressure inside the tank, be arranged on above described oil storage tank and with described storage
The aspirator vacuum that the oil gas condensation device of oil tank connection and the force value detected according to described pressure-detecting device open and close
Pump；The upper end of described oil gas condensation device is provided with gas outlet, and described aspirator vacuum pump connects described gas outlet.
Preferably, described pressure-detecting device include the pressure sensing cell that is arranged on oil storage tank and with described pressure
The control unit that power detector unit connects；Described aspirator vacuum pump is connected with described control unit.
Preferably, described oil storage tank is provided with relief valve.
Preferably, described oil gas condensation device includes cooling assembly, is connected to above described oil storage tank to receive from institute
State the drainer of the oil gas of oil storage tank and be arranged on the condensing tube in described drainer；Described condensing tube and described refrigeration train
Part connects, for cold-producing medium by so that the oil gas in described drainer is carried out condensation at low temperature；
It is communicated with described drainer and oil storage tank between described drainer and oil storage tank, leads to for oil gas in described oil storage tank
Cross the air inlet entered in described drainer；The bottom of described drainer is provided with the liquid collecting portion being spaced described air inlet, described collection
The bottom in liquid portion is communicated with the leakage fluid dram to described oil storage tank.
Preferably, described cooling assembly includes compressor, the heat exchanger being connected successively and with described compressor outlet
The second pipe and the 3rd that one pipeline, restricting element, one end are connected with described first pipeline by described restricting element is managed
Road；The other end of described second pipe is connected with the import of described condensing tube, and described 3rd pipeline is connected to described condensing tube
Between outlet and the entrance point of described compressor.
Preferably, described cooling assembly also includes being connected between described compressor outlet and the first pipeline, to described
The cold-producing medium of compressor output carries out the condensing unit lowered the temperature.
Preferably, described cooling assembly also includes around the 4th pipeline overlayed on periphery, described liquid collecting portion；Described 4th pipe
The one end in road connects the port of export of described compressor, and the other end connects described first pipeline, for cold-producing medium by with described collection
Fluid heat exchange in liquid portion, makes described oil liquid temperature raise；
Described 4th pipeline and/or the first pipeline close on one end of described compressor and are provided with valve.
Preferably, described condensing tube is that bending is arranged in described drainer；And/or, described condensing tube is provided with scattered
Hot fin.
Preferably, the counterflow element preventing described fluid countercurrently it is provided with at described leakage fluid dram；Described counterflow element is check
Valve or S-shaped pipe.
Preferably, pressure release interlock system of bleeding described in also includes the suction that condensation separation gas out carries out adsorption treatment
Coupon unit, described absorbing unit is connected between the gas outlet of described oil gas condensation device and described aspirator vacuum pump.
Pressure release interlock system of bleeding of the present utility model, is coordinated with pressure-detecting device by vacuum pump, in oil storage tank
Automatically it is actuated for pumped down during pressure preset value significantly, and oil gas first passes through oil gas condensation device, will not be exhausted directly to
Air, is reduced oil gas and is leaked brought potential safety hazard and the pollution to environment by relief valve on oil storage tank.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the structural representation of the pressure release interlock system of bleeding of this utility model one embodiment.
Detailed description of the invention
In order to be more clearly understood from technical characteristic of the present utility model, purpose and effect, now comparison accompanying drawing is detailed
Detailed description of the invention of the present utility model is described.
As it is shown in figure 1, the pressure release interlock system of bleeding of this utility model one embodiment, including oil storage tank 1, detection oil storage tank
The pressure-detecting device of pressure in 1, it is arranged on oil gas condensation device 2, the Yi Jigen connected above oil storage tank 1 and with oil storage tank 1
The aspirator vacuum pump 8 that the force value detected according to pressure-detecting device opens and closes.The upper end of oil gas condensation device 2 is provided with gas outlet
211, aspirator vacuum pump 8 connects gas outlet 211；Being actuated for bleeding at aspirator vacuum pump 8, the oil gas in oil storage tank 1 passes through
Oil gas condensation device 2 is drawn out of, and in making oil storage tank 1, pressure declines.
Wherein, in oil storage tank 1, explosion-proof flame-retardant material can be filled, safe and reliable, can guarantee that electrostatic, burn, weld, rifle
Hit, collide, explosion danger occur, even if the leakage rate of the damaged fluid of oil storage tank 1 is the most slow under the fortuitous event such as rollover
Slowly.
Explosion-proof flame-retardant material is whole inner chamber in being preferably filled with oil storage tank 1.Oil storage tank 1 is preferably the oil tank of double-wall structure.
This explosion-proof flame-retardant material can be but be not limited to aluminium alloy fire proofing, polyethers fire proofing and Flame retardant polyester material；
Explosion-proof flame-retardant material entirety can have micropore can adsorb fluid in cellular, and in oil storage tank 1, fluid can be by being filled in
The micropore of explosion-proof flame-retardant material is stored in oil storage tank 1, electrostatic, burn, weld, gunslinging, collide, the unexpected feelings such as rollover
Explosion danger is there is not, even if leakage rate is the most slowly under condition.
Nozzle 3 connects oil storage tank 1 by oil pipeline 5 and recovery channel 6, and in oil storage tank 1, the fluid of storage is by defeated
Oil-piping 5 is delivered to nozzle 3, thus refuels for vehicle 10.Oil gas in oil tank of vehicle passes through nozzle 3 and recovery tube
Road 6 returns in oil storage tank 1.
Oil storage tank 1 is provided with relief valve 13 and/or vacuum-breaking valve, and in case of emergency relief valve 13 is opened, and carries out oil gas
Release, pressure in oil storage tank 1 is maintained in a safety range.Vacuum-breaking valve is preferably provided at oil storage tank 1 top, prevents from bearing
Pressure.
Pressure-detecting device include the pressure sensing cell 15 that is arranged on oil storage tank 1 and with pressure sensing cell 15
The control unit (not shown) connected；Aspirator vacuum pump 8 is connected with control unit.Aspirator vacuum pump 8 is provided with one and starts pressure
Force value, the pressure data that control unit receives and processing pressure detector unit 15 detects, reach aspirator vacuum at pressure data
During the startup force value of pump 8, control aspirator vacuum pump 8 and be actuated for bleeding, thus reduce pressure in oil storage tank 1.When oil storage tank 1
When interior pressure is down to safety range value, aspirator vacuum pump 8 stops bleeding.
Preferably, the startup force value of aspirator vacuum pump 8 is less than ordering about the preset value that relief valve 13 starts so that in oil storage
In tank 1 pressure reach aspirator vacuum pump 8 startup force value and not up to relief valve 13 start preset value time, can be by taking out
Gas vacuum pump 8 carries out pumped down, reduces the startup of relief valve 13 and leaks oil gas.
In pressure-detecting device, pressure sensing cell 15 can be Pressure gauge or pressure transducer.
Oil gas condensation device 2 is arranged on above oil storage tank 1.Oil gas condensation device 2 can be fast by the assembly such as joint or flange
Speed is connected on oil storage tank 1, and fast and easy dismounts.
Oil gas condensation device 2 includes cooling assembly, is connected to above oil storage tank 1 to receive the oil gas from oil storage tank 1
Drainer 21 and the condensing tube 22 being arranged in drainer 21.Condensing tube 22 is connected with cooling assembly, for cold-producing medium by with
Oil gas in drainer 21 is carried out condensation at low temperature.Oil gas in drainer 21 and the cold-producing medium in condensing tube 22 carry out heat friendship
Change, condensed after be separated into fluid and gas, fluid down drips, gas rise.
For increasing the heat exchange area between condensing tube 22 and oil gas, condensing tube 22 is preferably arranged in drainer 21 in bending
In.Additionally, radiating fin 221 also can be arranged on condensing tube 22.
The air inlet 11 of drainer 21 and oil storage tank 1 it is communicated with, in oil storage tank 1 between drainer 21 and oil storage tank 1
Oil gas is by entering in drainer 21.The bottom of drainer 21 is provided with the liquid collecting portion 212 of interval air inlet 11, liquid collecting portion 212
Bottom is communicated with the leakage fluid dram 12 to oil storage tank 1, and in oil gas, condensation separation fluid out collects in liquid collecting portion 212, and
Flow back to, in oil storage tank 1, carry out recycling by leakage fluid dram 12.Owing to oil gas becomes the phase transformation of liquid phase from gas phase, make gas phase
Pressure reduces, thus the pressure in oil storage tank 1 declines.Gas outlet 211 is arranged on the upper end of drainer 21, condensation point in oil gas
The gas separated out then can be discharged by this gas outlet 211.
Liquid collecting portion 212 is preferably in funnel-form；The fluid dropped onto in liquid collecting portion 212 is concentrated along liquid collecting portion 212 internal face
To bottom, and it is discharged in oil storage tank 1 by leakage fluid dram 12.
Additionally, air inlet 11 also can be provided with controlled valve controls the break-make of air inlet 11.For preventing fluid from reversely floing back towards liquid collecting
Portion 212, can be provided with counterflow element 14 at leakage fluid dram 12.Counterflow element 14 can be non-return valve or S-shaped pipe.Wherein, S-shaped pipe is in storage
It is connected laterally in oil tank 1 at leakage fluid dram 12.
Cooling assembly includes compressor 23, be connected with compressor 23 port of export successively heat exchanger 231 and the first pipeline 24,
Restricting element 25, one end pass through second pipe 26 and the 3rd pipeline 27 that restricting element 25 is connected with the first pipeline 24；Second
The other end of pipeline 26 is connected with the import of condensing tube 22, and the 3rd pipeline 27 is connected to the outlet of condensing tube 22 and compressor 23
Between entrance point.Compressor 23, heat exchanger the 231, first pipeline 24, restricting element 25, second pipe 26, condensing tube 22 and
Three pipelines 27 are interconnected, and form the refrigerating circuit for cold-producing medium circulation wherein.Compressor 23, as power set, drives
Cold-producing medium is made to lead at refrigerating circuit inner recirculation flow.Wherein, restricting element 25 can be capillary tube or expansion valve.
Cold-producing medium forms gases at high pressure after compressor 23 compresses, and temperature may be up to about 100 DEG C, compressor 23 port of export
Heat exchanger 231 cold-producing medium is carried out condensation formed highly pressurised liquid, temperature can be down to about 40 DEG C；Highly pressurised liquid is by the first pipe
Road 24 flow to restricting element 25, becomes low temperature low pressure gas and/or liquid, circulate through second pipe 26 after reducing pressure by regulating flow freezes
To condensing tube 22.During cold-producing medium circulates in condensing tube 22, logical after carrying out heat exchange with the oil gas in drainer 21
Cross the 3rd pipeline 27 and flow back to compressor 23, circulate with this.And the oil gas in drainer 21 is cooled after heat exchange, in oil gas
Hydrocarbons condenses into liquid and down drips and accumulate in liquid collecting portion 212, and drains in oil storage tank 1, and is mixed with not in oil gas
The gases such as the oxygen of energy liquefaction, nitrogen rise, and discharge from gas outlet 211.
Further, in the present embodiment, cooling assembly also includes around the 4th pipeline 28 overlayed on periphery, liquid collecting portion 212；
One end of 4th pipeline 28 connects the port of export of compressor 23, and the other end connects the first pipeline 24, for cold-producing medium by with collection
Fluid heat exchange in liquid portion 212, makes oil liquid temperature raise, and rises to temperature above freezing from zubzero temperature.Setting of 4th pipeline 28
Put, oil storage tank 1 also can be made when emptying, by heating up, the fluid remnants sticked in liquid collecting portion 212 are steamed.
4th pipeline 28 and/or the first pipeline 24 close on one end of heat exchanger 231 and are provided with valve, control the logical of pipeline
Disconnected, the 4th pipeline 28 can be first passed through again according to fluid the need of intensification opening/shutting valve, the cold-producing medium making compressor 23 export
It flow to the first pipeline 24, or be flowed directly to the first pipeline 24.
Being processed by condensation separation, the gas outlet 211 expellant gas typical temperature of drainer 21 is the lowest, for reclaiming gas
The waste cold of body, can carry out heat exchange by gas and the oil gas entering drainer 21, oil gas is carried out precooling treatment.
Air inlet 11 and gas outlet 211 lay respectively on the two ends (two ends on length direction) of drainer 21.
Further, oil gas condensation device may also include several deflection plate 29.Several deflection plates 29 are in being cross-linked up and down
In drainer 21 on upper wall and diapire, in drainer 21, form baffling passage pass through for oil gas.The folding being connected on diapire
Leaving certain gaps uncovered by the economic plan between bottom and the diapire of stream plate 29, the fluid conveniently condensed out is by focus on liquid collecting portion 212.Deflection plate
The setting of 29 also add the oil gas time of staying outside condensing tube 22, increases heat exchange area so that oil gas condensation effect is more preferable.
In the present embodiment, several deflection plates 29 are distributed between the bending section of condensing tube 22, and oil gas enters from air inlet 11
After entering drainer 21, along condensing tube 22 and baffling passage, with pass through from the bottom up and in the horizontal direction
Flow direction flows, with the cold-producing medium heat exchange in condensing tube 22 in flow process, condensation and separation of fluid and gas.
Further, pressure release interlock system of bleeding also includes the absorption that condensation separation gas out carries out adsorption treatment
Unit 4, absorbing unit 4 is connected between the gas outlet 211 of oil gas condensation device 2 and aspirator vacuum pump 8.Gas outlet 211
Expellant gas enters absorbing unit 4, discharges from the port of export of absorbing unit 4 after adsorption treatment again；After adsorption treatment
Gaseous combustible gas content is extremely low, is fully achieved national standard, can be exhausted directly in air, Environmental Safety.Absorbing unit 4 can wrap
Include absorbent charcoal adsorption tank.
Aspirator vacuum pump 8 is bled when starting outward, and before and after making absorbing unit 4, pressure reduction produces through absorbing unit 4 more than gas
Resistance drop, make gas discharge smoothly.Further, in the case of in oil storage tank 1, pressure rises sharply, carried out by aspirator vacuum pump 8
Bleed and reduce pressure in oil storage tank 1, oil storage tank 1 on the startup of relief valve 13 is reduced or avoided, it is to avoid not through condensation, inhale
The oil gas of attached process is vented directly in air, reduces potential safety hazard and environmental pollution.
Aspirator vacuum pump 8 break down or in oil storage tank 1 rate of rise higher than aspirator vacuum pump 8 pumped down speed etc.
In emergency circumstances, the relief valve 13 opening on oil storage tank 1 is just needed to carry out pressure release.
The nozzle 3 connecting oil storage tank 1 is preferably total enclosing fire protection flame retarding petroleum vapor recovery type nozzle, it is ensured that refueling process
Total enclosing, without any combustible gas leakage, safer.During oiling, nozzle 3 fully seals with the fuel tank on vehicle 10 and is connected, nothing
Any oil and gas leakage, when oil pipeline 5 oiling pump 51 works, the oil-gas recovery vacuum pump 61 on recovery channel 6 starts simultaneously, protects
Card volume read-out is 1:(1～1.1 with return-air amount ratio), the petroleum vapor recovery sleeve pipe of nozzle 3 there is explosion-proof flame-retardant air inlet, to protect
Card vehicle 10 top tank pressure and extraneous balance (not taken out flat).The oil gas in the fuel tank petroleum vapor recovery sleeve pipe by nozzle 3
The petroleum vapor recovery passage of inner side returns in oil storage tank 1.When causing pressure suddenly to raise due to the accumulation of oil gas in oil storage tank 1
Time, aspirator vacuum pump 8 starts under the interlocked control of pressure-detecting device starts outwards bleeds, and in making oil storage tank 1, pressure reduces.
When nozzle 3 refuels for vehicle 10, the periphery (position as being connected with the fuel tank of vehicle 10) of nozzle 3 is provided with
Oil and gas detection device, once detect that oil filler has oil and gas leakage to stop oil pump 51 to interlocking in air, cuts off oil feed line
(oil pipeline 5), prevents dangerous generation.
The foregoing is only embodiment of the present utility model, not thereby limit the scope of the claims of the present utility model, every
Utilize equivalent structure or equivalence flow process conversion that this utility model description and accompanying drawing content made, or be directly or indirectly used in
Other relevant technical fields, are the most in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. a pressure release interlock system of bleeding, it is characterised in that include oil storage tank, detect described oil storage pressure inside the tank pressure inspection
Survey device, be arranged on the oil gas condensation device connected above described oil storage tank and with described oil storage tank and according to described pressure
The aspirator vacuum pump that the force value that detection device detects opens and closes；The upper end of described oil gas condensation device is provided with gas outlet, institute
State aspirator vacuum pump and connect described gas outlet.
Pressure release interlock system of bleeding the most according to claim 1, it is characterised in that described pressure-detecting device includes arranging
Pressure sensing cell on oil storage tank and the control unit being connected with described pressure sensing cell；Described aspirator vacuum pump
It is connected with described control unit.
Pressure release interlock system of bleeding the most according to claim 1, it is characterised in that described oil storage tank is provided with relief valve.
Pressure release interlock system of bleeding the most according to claim 1, it is characterised in that described oil gas condensation device includes refrigeration
Assembly, it is connected to above described oil storage tank to receive from the drainer of oil gas of described oil storage tank and to be arranged on described cold
Condensing tube in solidifying tank；Described condensing tube is connected with described cooling assembly, for cold-producing medium by with to the oil in described drainer
Gas carries out condensation at low temperature；
Be communicated with between described drainer and oil storage tank described drainer and oil storage tank, for oil gas in described oil storage tank pass through into
Enter the air inlet in described drainer；The bottom of described drainer is provided with the liquid collecting portion being spaced described air inlet, described liquid collecting portion
Bottom be communicated with the leakage fluid dram to described oil storage tank.
Pressure release interlock system of bleeding the most according to claim 4, it is characterised in that described cooling assembly include compressor,
The heat exchanger being connected with described compressor outlet successively and the first pipeline, restricting element, one end by described restricting element with
The second pipe of described first pipeline connection and the 3rd pipeline；The other end of described second pipe enters with described condensing tube
Mouth connects, and described 3rd pipeline is connected between the outlet of described condensing tube and the entrance point of described compressor.
Pressure release interlock system of bleeding the most according to claim 5, it is characterised in that described cooling assembly also includes being connected to
The condensing unit that the cold-producing medium exported between described compressor outlet and the first pipeline, to described compressor is lowered the temperature.
Pressure release interlock system of bleeding the most according to claim 5, it is characterised in that described cooling assembly also includes around overlaying on
The 4th pipeline on periphery, described liquid collecting portion；One end of described 4th pipeline connects the port of export of described compressor, and the other end is even
Connect described first pipeline, for cold-producing medium by with the fluid heat exchange in described liquid collecting portion, make described oil liquid temperature raise；
Described 4th pipeline and/or the first pipeline close on one end of described compressor and are provided with valve.
Pressure release interlock system of bleeding the most according to claim 4, it is characterised in that described condensing tube is that bending is arranged in
In described drainer；And/or, described condensing tube is provided with radiating fin.
Pressure release interlock system of bleeding the most according to claim 4, it is characterised in that be provided with at described leakage fluid dram and prevent fluid
The counterflow element of adverse current；Described counterflow element is non-return valve or S-shaped pipe.
10. according to the pressure release interlock system of bleeding described in any one of claim 1-9, it is characterised in that described in bleed pressure release connection
Lock system also includes the absorbing unit that condensation separation gas out carries out adsorption treatment, and described absorbing unit is connected to described
Between gas outlet and the described aspirator vacuum pump of oil gas condensation device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620764525.7U CN205872947U (en) | 2016-07-19 | 2016-07-19 | Pressure release interlock system bleeds |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620764525.7U CN205872947U (en) | 2016-07-19 | 2016-07-19 | Pressure release interlock system bleeds |
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| Publication Number | Publication Date |
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| CN205872947U true CN205872947U (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620764525.7U Active CN205872947U (en) | 2016-07-19 | 2016-07-19 | Pressure release interlock system bleeds |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110073645A (en) * | 2017-11-21 | 2019-07-30 | 深圳市尚佳能源网络有限责任公司 | A kind of communication implementation method, platform and second terminal based on license plate |
| CN112263422A (en) * | 2020-06-23 | 2021-01-26 | 中国人民解放军海军特色医学中心 | Pressurized medium killing and inactivating system and pressurized cabin |
-
2016
- 2016-07-19 CN CN201620764525.7U patent/CN205872947U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110073645A (en) * | 2017-11-21 | 2019-07-30 | 深圳市尚佳能源网络有限责任公司 | A kind of communication implementation method, platform and second terminal based on license plate |
| CN112263422A (en) * | 2020-06-23 | 2021-01-26 | 中国人民解放军海军特色医学中心 | Pressurized medium killing and inactivating system and pressurized cabin |
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