CN208454488U - A kind of railway gasoline entrucking oil-gas recovery processing device - Google Patents
A kind of railway gasoline entrucking oil-gas recovery processing device Download PDFInfo
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- CN208454488U CN208454488U CN201821066047.8U CN201821066047U CN208454488U CN 208454488 U CN208454488 U CN 208454488U CN 201821066047 U CN201821066047 U CN 201821066047U CN 208454488 U CN208454488 U CN 208454488U
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Abstract
It include double film gas holders that oil tank of train discharge outlet is connected by collecting pipe the utility model relates to a kind of railway gasoline entrucking oil-gas recovery processing device, double film gas holders are connected to oil-gas recovery processing device, and oil-gas recovery processing device connects gasoline tank；The pressure stabilizing cavity formed between the inside and outside film of double film gas holders passes through piping connection blower, there are switching control pilot I, safety valve and pressure gauge on pipeline, blower, switching control pilot I, pressure gauge are electrically connected plc controller, the bottom of double film gas holders is connected separately with inlet pipe and outlet pipe by three-way connection, switching control pilot II is arranged in the top of three-way connection, switching control pilot III, gas flowmeter are provided on inlet pipe, switching control pilot II, switching control pilot III, gas flowmeter are electrically connected plc controller, and outlet pipe is connected to oil-gas recovery processing device.The utility model separate unit oil vapor treatment equipment can meet petroleum vapor recovery processing needs, reduce investment and energy consumption, it is ensured that system safe and stable operation.
Description
Technical field
The utility model relates to Investigation of Petroleum Vapor Recovery Technology field, in particular to a kind of railway gasoline entrucking is handled with petroleum vapor recovery
Device.
Background technique
It is required according to " storage tank farm atmosphere pollutants emission standards " (GB20960-2007), the oil gas that when charge of oil generates should be into
The closed collection of row and processing, efficiency of oil & gas processing >=95% of petroleum vapor recovery facility, concentration of oil and gas discharged≤25mg/m3。
According to measuring and calculating, 1m3Concentration is 10%-40%(volume fraction) oil gas be mixed into air and will form 20m3Explosivity
Gas can pollute 6700m3Atmospheric environment, a large amount of oil gas volatilization to the ecological environment of the mankind, security context, are good for into air
Health environment causes hidden trouble.
Currently, the domestic oil vapor treatment technique mainly taken is: the oil gas generated when charge of oil enters petroleum vapor recovery processing dress
Processing is set, the oil gas after oil-gas recovery processing device liquefies returns to gasoline tank.Domestic existing oil-gas recovery processing device
Processing capacity is generally in 100m3/h-500m3/ h or so, maximum 800m3/ h, when oil gas yield is 800m3When/h or more, by just
Normal entrucking situation, needs to be arranged more oil-gas recovery processing devices, and use simultaneously, this results in high investment, and energy consumption is larger.
Summary of the invention
The utility model has provided a kind of railway gasoline dress automobile oil to make up deficiencies of the prior art
Gas recycling and processing device.
The utility model is achieved by the following technical solution:
A kind of railway gasoline entrucking oil-gas recovery processing device, is characterized in that include to pass through collecting pipe
Double film gas holders of oil tank of train discharge outlet are connected, which is connected to oil-gas recovery processing device, oil-gas recovery processing device
Connect gasoline tank；Double film gas holders have inner membrance and outer membrane, and the pressure stabilizing cavity formed between inner membrance and outer membrane passes through piping connection wind
Machine is additionally provided with switching control pilot I, safety valve and pressure gauge on pipeline, and blower, switching control pilot I, pressure gauge are electrically connected
The bottom of plc controller, double film gas holders is connected separately with inlet pipe and outlet pipe by three-way connection, and the top setting of three-way connection is opened
Control valve II is closed, is provided with switching control pilot III, gas flowmeter, switching control pilot II, switching control pilot III, gas on inlet pipe
Flowmeter is electrically connected plc controller, and outlet pipe is connected to oil-gas recovery processing device.
Preferably, the external mold of above-mentioned double film gas holders uses PVDF material, and inner membrance uses TPU material.
Preferably, above-mentioned oil-gas recovery processing device uses condensation+adsorption combined technology, wherein condensation portion
For B-grade condensation operating condition, adsorbent uses active carbon.Condensation method can effectively reduce the gas concentration of residual air after condensed in two stages, can subtract
Few activated carbon dosage, and then reduce absorbing unit volume.
The utility model is made by being provided with double film gas holders between oil-gas recovery processing device and oil tank of train discharge outlet
Oil gas when obtaining entrucking more than oil-gas recovery processing device processing capacity can be temporarily stored into double film gas holders, during entrucking twice,
Oil gas is recycled in the sustainable processing of device for recovering oil and gas.This is with the prior art (when oil gas yield is higher than the processing of separate unit petroleum vapor recovery
The processing capacity of device is to use by the way of more oil-gas recovery processing devices are arranged and simultaneously) it compares, there is investment
Less, the advantage that low energy consumption.
The beneficial effects of the utility model are: it realizes gasoline railway entrucking using gas holder+petroleum vapor recovery treatment process
Petroleum vapor recovery processing, railway GASOLINE VAPOR RECOVERY DURING TANK CAR LOADING processing need can be met by realizing existing separate unit petroleum vapor recovery processing equipment
It wants, greatly reduces investment and energy consumption, it can be ensured that system safe and stable operation, efficiency of oil & gas processing and exhaust emissions concentration are equal
Better than national standard.
Detailed description of the invention
The utility model will be further described below with reference to the accompanying drawings.
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the specific connection structure diagram of double film gas holders in the utility model.
In figure, 1 oil tank of train, 2 pairs of film gas holders, 2-1 outer membrane, 2-2 inner membrance, 2-3 pipeline, 2-4 blower, 2-5 switch control
Valve I, 2-6 safety valve, 2-7 pressure gauge, 2-8 three-way connection, 2-9 inlet pipe, 2-10 outlet pipe, 2-11 gas flowmeter, 2-12 switch
Control valve III, 2-13 switching control pilot II, 2-14plc controller, 3 oil-gas recovery processing devices, 4 gasoline tanks.
Specific embodiment
Embodiment 1
The embodiment is to pass through collecting pipe in the discharge outlet of oil tank of train 1 and connect double film gas holders 2, double film gas holders connection oil
Gas recycling and processing device 3, oil-gas recovery processing device connect gasoline tank 4；Double film gas holders have TPU material inner membrance 2-2 and
The outer membrane 2-1 of PVDF material, the pressure stabilizing cavity formed between inner membrance and outer membrane pass through on pipeline 2-3 connection blower 2-4, pipeline 2-3
It is additionally provided with I 2-5 of switching control pilot, safety valve 2-6 and pressure gauge 2-7, blower, switching control pilot I, pressure gauge are electrically connected
The bottom of plc controller 2-14, double film gas holders are connected separately with inlet pipe 2-9 and outlet pipe 2-10 by three-way connection 2-8, and three connect
II 2-13 of switching control pilot is arranged in the top of head, is provided with III 2-12 of switching control pilot, gas flowmeter 2-11 on inlet pipe, switchs
Control valve II, switching control pilot III, gas flowmeter are electrically connected plc controller, and outlet pipe is connected to petroleum vapor recovery processing dress
It sets.
Plc controller controls blower to adjust the pressure stabilizing cavity air pressure of double film gas holders, and specifically, Plc controller controls
Blower 2-4 holds interacvity air-filling to pressure stabilizing, and when reaching certain pressure value when measure pressure by pressure gauge 2-7, plc controller controls wind
Machine stops, and when pressure is lower than certain pressure value, control blower is again started up.When due to storage gas increase and cause pressure stabilizing to hold
When intracavitary atmospheric pressure value is more than certain pressure value, safety valve 2-6 is able to carry out pressure release to setting value.
In the open state under II normality of switching control pilot, Plc controller receives the flow that gas flowmeter 2-11 is measured
Value, when the flow value measured is higher than the processing capacity of oil-gas recovery processing device, beyond oil gas treating device processing capacity
Oil gas enters double film gas holder storages by switching control pilot II, and the oil gas of storage can be filled during entrucking twice by oil vapor treatment
Sustainably processing recycling oil gas is set, this can effectively improve treatment effeciency, reduce equipment investment；And it is low in the flow value measured
When the processing capacity of oil-gas recovery processing device, plc controller control switch control valve II is closed, at this time oil gas treating device
Directly handle the oil gas collected by oil tank of train discharge outlet, this can effectively reduce as oil gas flowed fluctuation and caused by double film gas
The problem of components frequent movement such as cabinet blower, improves system reliability of operation and stability.
Oil-gas recovery processing device is transmitted back to gasoline tank after carrying out liquefaction recovery processing to oil gas.Petroleum vapor recovery processing dress
It sets using condensation+adsorption combined technology manufacture.Condensation method is the saturated vapor according to hydrocarbon component different temperatures various in oil gas
The rate of recovery and exhaust emissions concentration limit as defined in pressure, national legislation, determine the temperature of condensing condition, and according to component heating power
The cooling method of the grouping of matter parameter, zonal cooling reduces oil gas temperature, reaches hydrocarbon vapours component from gaseous state to liquid phase-change
Hypersaturated state, to directly obtain the fluid oil of recycling.It completes to administer oil vapour pollution and harmful substance recycling is returned
It receives and utilizes.According to oil gas composition and property, condensation portion uses B-grade condensation operating condition, i.e. condensation temperature reaches -60 DEG C, makes oil gas
In the hydrocarbon component condensation liquefaction containing C3 to C5；Adsorbent uses active carbon.By handling above, efficiency of oil & gas processing >=95%,
Exhaust emissions concentration≤20g/m3.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this
The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover in the scope of the claims of the utility model.
Claims (5)
1. a kind of railway gasoline entrucking oil-gas recovery processing device, it is characterised in that: include to connect fire by collecting pipe
Double film gas holders (2) of vehicle oil tank (1) discharge outlet, double film gas holder connections oil-gas recovery processing device (3), the petroleum vapor recovery
Processing unit connects gasoline tank (4)；Double film gas holders have inner membrance (2-2) and outer membrane (2-1), between the inner membrance and outer membrane
The pressure stabilizing cavity of formation connects blower (2-4) by pipeline (2-3), is additionally provided with switching control pilot I on the pipeline (2-3)
(2-5), safety valve (2-6) and pressure gauge (2-7), the blower, switching control pilot I, pressure gauge are electrically connected plc controller
The bottom of (2-14), double film gas holders are connected separately with inlet pipe (2-9) and outlet pipe (2-10), institute by three-way connection (2-8)
Top setting switching control pilot II (2-13) of three-way connection is stated, is provided with switching control pilot III (2-12), gas on the inlet pipe
Flowmeter body (2-11), the switching control pilot II, switching control pilot III, gas flowmeter are electrically connected plc controller, institute
It states outlet pipe and is connected to oil-gas recovery processing device.
2. railway gasoline entrucking oil-gas recovery processing device according to claim 1, it is characterised in that: double film gas holders
External mold use PVDF material, inner membrance use TPU material.
3. railway gasoline entrucking oil-gas recovery processing device according to claim 1, it is characterised in that: the petroleum vapor recovery
Processing unit uses condensation+adsorption combined technology.
4. railway gasoline entrucking oil-gas recovery processing device according to claim 3, it is characterised in that: the petroleum vapor recovery
The condensation portion of processing unit is B-grade condensation operating condition.
5. railway gasoline entrucking oil-gas recovery processing device according to claim 3, it is characterised in that: the petroleum vapor recovery
The adsorbent of processing unit uses active carbon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821066047.8U CN208454488U (en) | 2018-07-06 | 2018-07-06 | A kind of railway gasoline entrucking oil-gas recovery processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821066047.8U CN208454488U (en) | 2018-07-06 | 2018-07-06 | A kind of railway gasoline entrucking oil-gas recovery processing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208454488U true CN208454488U (en) | 2019-02-01 |
Family
ID=65172056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821066047.8U Active CN208454488U (en) | 2018-07-06 | 2018-07-06 | A kind of railway gasoline entrucking oil-gas recovery processing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208454488U (en) |
-
2018
- 2018-07-06 CN CN201821066047.8U patent/CN208454488U/en active Active
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