CN106382457A - Liquefied petroleum gas loading and unloading pry - Google Patents
Liquefied petroleum gas loading and unloading pry Download PDFInfo
- Publication number
- CN106382457A CN106382457A CN201610671444.7A CN201610671444A CN106382457A CN 106382457 A CN106382457 A CN 106382457A CN 201610671444 A CN201610671444 A CN 201610671444A CN 106382457 A CN106382457 A CN 106382457A
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- CN
- China
- Prior art keywords
- gas
- lpg
- unloading
- liquid
- port
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000003915 liquefied petroleum gas Substances 0.000 title claims abstract description 175
- 239000007789 gas Substances 0.000 claims abstract description 101
- 239000007788 liquid Substances 0.000 claims abstract description 78
- 239000012530 fluid Substances 0.000 claims description 31
- 230000008676 import Effects 0.000 claims description 13
- 238000009434 installation Methods 0.000 description 5
- 238000000926 separation method Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
- F17C5/02—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with liquefied gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
- F17C7/02—Discharging liquefied gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/03—Mixtures
- F17C2221/032—Hydrocarbons
- F17C2221/035—Propane butane, e.g. LPG, GPL
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0146—Two-phase
- F17C2223/0153—Liquefied gas, e.g. LPG, GPL
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
- F17C2225/01—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the phase
- F17C2225/0146—Two-phase
- F17C2225/0153—Liquefied gas, e.g. LPG, GPL
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/01—Propulsion of the fluid
- F17C2227/0192—Propulsion of the fluid by using a working fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2265/00—Effects achieved by gas storage or gas handling
- F17C2265/01—Purifying the fluid
- F17C2265/015—Purifying the fluid by separating
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention provides a liquefied petroleum gas loading and unloading pry which comprises a gas path unit and a liquid path unit. A gas inlet of a booster device in the gas path unit communicates with an inlet end of the gas path unit, and a gas outlet of the booster device communicates with an outlet end of the gas path unit; the liquid path unit comprises a loading branch and an unloading branch which are connected in parallel; a first liquid loading valve, a loading gas-liquid separator, a loading mass flow meter and a second liquid loading valve are sequentially arranged on the loading branch; an inlet of the loading branch communicates with a second end opening of the liquid path unit and an outlet of the loading branch communicates with a first end opening of the liquid path unit; a first liquid unloading valve, an unloading gas-liquid separator, an unloading mass flow meter and a second liquid unloading valve are sequentially arranged on the unloading branch; and an inlet of the unloading branch communicates with the first end opening of the liquid path unit, and an outlet of the unloading branch communicates with the second end opening of the liquid path unit. When the liquefied petroleum gas loading and unloading pry is used for loading and unloading LPG, a great number of pipelines do not needed to be mounted on the site, work can be started by connecting corresponding inlet and outlet, and inner line connection is simple, so that mounting workload is reduced, working progress is quickened, and loading and unloading efficiency of LPG is greatly improved.
Description
Technical field
The present invention relates to liquefied petroleum gas handler, more particularly, to a kind of liquefied petroleum gas handling sled.
Background technology
In recent years, with the reinforcement of energy-conserving and environment-protective consciousness, the rising steadily of fuel price, LPG technology progressively ripe,
The related industry of LPG has obtained quick development.LPG supplies project and storage is joined project and all can be related to asking of LPG handling at present
Topic, due to needing the connection of multichannel pipeline, could realize loading and the unloading of LPG respectively, thus is required for during current LPG handling
Substantial amounts of pipeline is installed at the scene.Not only connection is complicated but also floor space is big for various pipelines, leads to peace during execute-in-place
Loading amount is big, installation period is longer, handling operation troublesome poeration, has delayed job schedule, and the pipeline after simultaneously installing is transported more
Trouble, can only shift after dismantling and use elsewhere, service efficiency is relatively low.
Content of the invention
It is an object of the invention to LPG handling need that a large amount of pipeline of in-site installation, workload be big, dress in solution prior art
Unload complex operation, the problem of pipeline transhipment inconvenience.
For solving above-mentioned technical problem, the present invention provides a kind of liquefied petroleum gas handling sled, including：Gas circuit unit, has
Entrance point and the port of export；Described gas circuit unit also includes pressurizer, the air inlet of this pressurizer and described gas circuit unit
Entrance point connects, and the gas outlet of pressurizer is connected with the port of export of described gas circuit unit；The entrance point of this gas circuit unit is passed through
Gaseous state LPG；Fluid path unit, has first port and second port；Described fluid path unit also includes entrucking branch road parallel with one another
With branch road of unloading；The import of described entrucking branch road is connected with the second port of described fluid path unit, exports and described fluid path unit
First port connection, the import of this entrucking branch road is sequentially provided with the first dress liquid valve, entrucking gas-liquid separator, entrucking matter to outlet
Amount effusion meter, the second dress liquid valve；The import of described branch road of unloading is connected with the first port of described fluid path unit, outlet with described
The second port connection of fluid path unit, the import of this branch road of unloading is sequentially provided with first to outlet and unloads liquid valve, gas-liquid separation of unloading
Device, mass flowmenter of unloading, second unload liquid valve.
Preferably, the air inlet of described pressurizer is connected by a gas-liquid equilibrium pipe with gas outlet, and described gas phase is put down
Weighing apparatus pipe is provided with gas-liquid equilibrium valve.
Preferably, it is equipped with charging crane at the port of export of described gas circuit unit and the first port of fluid path unit.
Preferably, described charging crane includes loading and unloading stop valve and Pull breaking ualve.
Preferably, described gas circuit unit is provided with two groups of described pressurizer parallel with one another；Described two groups of pressurizer
Air inlet is all connected with the entrance point of described gas circuit unit, the gas outlet of described two groups of pressurizer all with described gas circuit unit
The port of export connects.
Preferably, described liquefied petroleum gas handling sled also includes two-way gas phase return duct；One end of one tunnel gas phase return duct
It is connected on described entrucking gas-liquid separator, the other end is connected with described gas circuit unit；One end of another road gas phase return duct is connected on
Described unload on gas-liquid separator, the other end is connected with described gas circuit unit.
Preferably, described pressurizer is LPG compressor, LPG is special loads and unloads pump or LPG compressor and the special handling of LPG
Pump Unit erriger.
As shown from the above technical solution, beneficial effects of the present invention are：
Gas circuit unit, fluid path unit and whole feature pipelines and relevant control valve system are integrated in liquid by the present invention
During liquefied oil gas handling one is prized, by pressurizer, gaseous state LPG is pressurizeed, recycle the liquefied petroleum gas flooding hydrodynamic after pressurization
State LPG circulates in handling sled, and then completes loading or the unloading of liquid LPG.This device internal wiring connects simple, operation letter
Just, whole device floor space is little, can flexibly transport, for the use in different places.With liquefied petroleum gas of the present invention dress
When unloading sled and carrying out LPG handling, substantial amounts of pipeline need not be installed at the scene, connect the phase of handling sled and toter, carrying vessel
The import and export answered can be started working, and internal wiring connects simply, decreases installation workload, accelerates the progress of work, significantly
Improve the efficiency of loading and unloading of LPG.
Brief description
Fig. 1 is the structural representation of liquefied petroleum gas handling sled embodiment of the present invention.
Fig. 2 is the structural representation of liquefied petroleum gas handling sled embodiment fluid path unit of the present invention.
Description of reference numerals is as follows：1st, liquefied petroleum gas handling sled；11st, gas circuit unit；11a, entrance point；11b, outlet
End；111st, gas valve；112nd, unload gas valve；113rd, entrucking gas valve；114th, pressurizer；115th, air inlet valve；116、
Gas outlet valve；117th, gas-liquid equilibrium pipe；118th, gas-liquid equilibrium valve；12nd, fluid path unit；12a, first port；12b, the second end
Mouthful；121st, entrucking branch road；1211st, the first dress liquid valve；1212nd, entrucking gas-liquid separator；1213rd, loading quality effusion meter；1214、
Second dress liquid valve；122nd, unload branch road；1221st, first unload liquid valve；1222nd, unload gas-liquid separator；1223rd, unload mass flow
Meter；1224th, second unload liquid valve；124th, gas phase return duct；13rd, charging crane；131st, load and unload stop valve；132nd, Pull breaking ualve；2、LPG
Tank car.
Specific embodiment
Embody feature of present invention will describe in detail in the following description with the exemplary embodiment of advantage.It should be understood that
The present invention can have various changes on different embodiments, and it neither departs from the scope of the present invention, and theory therein
Bright and diagram is treated as purposes of discussion in itself, and is not used to limit the present invention.
In order to further illustrate principle and the structure of the present invention, in conjunction with accompanying drawing, the preferred embodiments of the present invention are carried out in detail
Describe in detail bright.
The liquefied petroleum gas handling sled of the present invention is applied to traditional LPG handling station, LPG shipping dock, LPG load and unload temporarily
Ground etc. needs to carry out the place of LPG handling, by connecting LPG tank car and corresponding storage container, carries out the loading of LPG and unloads
Carry.
Refering to Fig. 1, the liquefied petroleum gas handling sled 1 of the present embodiment includes gas circuit unit 11 and fluid path unit 12.
Gas circuit unit 11 connection gaseous state LPG storage container and LPG tank car 2 and LPG storage tank, hold in storage for gaseous state LPG
Circulate between device and LPG tank car 2 and storage container and LPG storage tank, make gaseous state LPG respectively enter LPG tank car 2 or LPG storage
Tank, and then promote the LPG flowing in LPG tank car 2 or LPG storage tank.
Fluid path unit 12 connection LPG tank car 2 and LPG storage tank, circulate between LPG tank car 2 and LPG storage tank for LPG, make
LPG flows into LPG tank car 2 or from LPG tank car 2 inflow LPG storage tank from LPG storage tank, and then realizes the loading of liquefied petroleum gas and unload
Carry.It should be noted that in other preferred embodiments, the fluid path unit 12 of liquefied petroleum gas handling sled 1 also can connect
Between two LPG tank cars 2, or between two LPG storage tanks, realize between LPG tank car 2 or between LPG storage tank LPG handling.
The gas circuit unit 11 of the present embodiment has entrance point 11a and port of export 11b, wherein, entrance point 11a and gaseous state LPG
Storage container connects, and port of export 11b is connected with LPG tank car 2 and LPG storage tank.At the entrance point 11a of the present embodiment gas circuit unit 11
It is provided with gas valve 111, after opening gas valve 111, gaseous state LPG can enter gas circuit unit 11；The port of export 11b of gas circuit unit 11
It is provided with gas valve 112 of unloading with LPG tank car 2 junction, the port of export 11b of gas circuit unit 11 and LPG storage tank junction are provided with dress
Car gas valve 113.
After opening gas valve 111, gaseous state LPG can enter gas circuit unit 11 from gaseous state LPG storage container, if now unloading
Gas valve 112 is in opening, and entrucking gas valve 113 is closed, and the gaseous state LPG in storage container can pass through gas
Road unit 11 enters LPG tank car 2, and then can promote the flowing of liquefied petroleum gas in LPG tank car 2；If at entrucking gas valve 113
In opening, gas valve 112 of unloading is closed, and the gaseous state LPG in storage container can be entered by gas circuit unit 11
Enter LPG storage tank, and then the flowing of liquefied petroleum gas in LPG storage tank can be promoted.
In other preferred embodiments, the port of export 11b of gas circuit unit 11 is optionally stored up with LPG tank car 2 or LPG
Tank connects, and arranges stop valve at the port of export 11b of gas circuit unit 11.When needing the loading carrying out LPG, by gas circuit unit 11
Port of export 11b is connected with LPG storage tank, opens gas valve 111 and stop valve simultaneously, and gaseous state LPG can enter LPG storage tank, thus
Promote the flowing of liquefied petroleum gas in LPG storage tank；When needing the unloading carrying out LPG, by the port of export 11b of gas circuit unit 11 with
LPG tank car 2 connects, and opens gas valve 111 and stop valve, gaseous state LPG can enter LPG tank car 2, thus promoting LPG tank simultaneously
The flowing of liquefied petroleum gas in car 2.
In order to increase the pressure entering the gaseous state LPG in LPG tank car 2 or LPG storage tank, gas circuit unit 11 also includes supercharging dress
Put 114, pressurizer 114 can increase the pressure of gaseous state LPG to entering gaseous state LPG pressurization therein.
Specifically, refering to Fig. 1, the air inlet of pressurizer 114 is connected with the entrance point 11a of gas circuit unit 11, gas outlet
Connect with the port of export 11b of gas circuit unit 11.It is equipped with valve at the air inlet of pressurizer 114 and gas outlet, enter respectively
QI KOU valve 115 and gas outlet valve 116.When two valves are all in opening, gaseous state LPG can be through air inlet valve
Pressurizeed in 115 entrance pressurizer 114, the gaseous state LPG after pressurization flows from pressurizer 114 through gas outlet valve 116
Go out, enter in LPG tank car 2 or LPG storage tank.
Further, in order to ensure the gas between gaseous state LPG storage container and LPG tank car 2 or LPG storage tank before LPG handling
Phase pressure balances, and in the present embodiment, the gas outlet of pressurizer 114 is connected by a gas-liquid equilibrium pipe 117 with air inlet, gas
The pipe 117 that balances each other is provided with gas-liquid equilibrium valve 118.
Before the liquefied petroleum gas handling sled 1 with the present embodiment carries out loading and the unloading of LPG, first close pressurizer
The air inlet valve 115 at 114 two ends and gas outlet valve 116, open the gas-liquid equilibrium valve being arranged on gas-liquid equilibrium pipe 117
118, carry out the operation of gas-liquid equilibrium in gas circuit unit 11, in so that handling is prized, gaseous pressure keeps poised state, it is to avoid because of pressure
The excessive and safety that affects LPG charge and discharge operations.
More preferably, the liquefied petroleum gas handling sled 1 of the present embodiment is provided with two groups of pressurizer 114, two groups of pressurizer 114
Parallel with one another.Specifically, the air inlet of two groups of pressurizer 114 is all connected with the entrance point 11a of gas circuit unit 11, and gas outlet is equal
Connect with the port of export 11b of gas circuit unit 11.
When using, one of which pressurizer 114 can be as standby equipment, when another group of pressurizer 114 damages
When, open standby pressurizer 114 and can ensure liquefied petroleum gas handling sled 1 normal work, handling sled dismounting need not be carried out
Maintenance, improves the utilization rate of equipment.Additionally, two groups of pressurizer 114 also can be opened simultaneously, increase entrance LPG tank car 2 or
The tolerance of gaseous state LPG in LPG storage tank, improves the work efficiency of liquefied petroleum gas handling sled 1.In some other preferred embodiment
In, liquefied petroleum gas handling sled 1 can be provided with multigroup pressurizer 114, is all parallel relationship between multigroup pressurizer 114.
Wherein, pressurizer 114 can be LPG compressor, LPG special handling pump or LPG compressor and the special handling of LPG
Pump Unit erriger.What two groups of pressurizer 114 of the present embodiment adopted is all LPG compressor bank.
Refer to Fig. 1 and Fig. 2 in the lump, fluid path unit 12 is had two ports, all can be connected with LPG tank car 2 or LPG storage tank,
In order to describe needs, two ports are referred to as first port 12a and second port 12b.The of fluid path unit 12 in the present embodiment
Single port 12a is connected with LPG tank car 2, and second port 12b is connected with LPG storage tank.
Fluid path unit 12 also includes entrucking branch road 121 and branch road 122 of unloading, and two branch roads are parallel with one another.Wherein, entrucking is propped up
The import on road 121 is connected with second port 12b of fluid path unit 12, and outlet is connected with first port 12a of fluid path unit 12, dress
The import of car branch road 121 is sequentially provided with the first dress liquid valve 1211, entrucking gas-liquid separator 1212, loading quality effusion meter to outlet
1213rd, the second dress liquid valve 1214；The import of branch road 122 of unloading is connected with first port 12a of fluid path unit 12, outlet and fluid path
The second port 12b connection of unit 12, the import of branch road 122 of unloading is sequentially provided with first to outlet and unloads liquid valve 1221, gas of unloading
Liquid/gas separator 1222, mass flowmenter 1223 of unloading, second unload liquid valve 1224.
When the liquefied petroleum gas handling sled 1 of the present embodiment is used for the loading of LPG, for fluid path unit 12, open entrucking
The first dress liquid valve 1211 in branch road 121 and the second dress liquid valve 1214, close first unloading in branch road 122 and unload liquid valve 1221 He
Second unloads liquid valve 1224, and now, the LPG in LPG storage tank first passes through the first dress liquid valve 1211 under the promotion of gaseous state LPG, then according to
Secondary via entrucking gas-liquid separator 1212 with loading quality effusion meter 1213, entrucking gas-liquid separator 1212 carries out gas-liquid and divides
From rear, then the metering through loading quality effusion meter 1213, enter in LPG tank car 2 finally by the second dress liquid valve 1214, complete
The loading of LPG.
When the liquefied petroleum gas handling sled 1 of the present embodiment is used for the unloading of LPG, for fluid path unit 12, unlatching is unloaded
In branch road 122 first is unloaded liquid valve 1221 and second and unloads liquid valve 1224, closes the first dress liquid valve 1211 He in entrucking branch road 121
Second dress liquid valve 1214, now, the LPG in LPG tank car 2 first passes through first under the promotion of gaseous state LPG and unloads liquid valve 1221, then according to
Secondary via gas-liquid separator 1222 and the mass flowmenter 1223 of unloading of unloading, carry out gas-liquid in gas-liquid separator 1222 of unloading and divide
From rear, then the metering through mass flowmenter 1223 of unloading, unload liquid valve 1224 finally by second and enter in LPG storage tank, complete
The unloading of LPG.
More preferably, in order to improve the service efficiency of gaseous state LPG, the gaseous state LPG after gas-liquid separation, this reality are made full use of
The liquefied petroleum gas handling sled 1 applying example also includes two-way gas phase return duct 124, a termination of wherein one tunnel gas phase return duct 124
On entrucking gas-liquid separator 1212, the other end is connected with gas circuit unit 11, is mainly used in entrucking branch road 121 through gas-liquid separation
Gaseous state LPG afterwards flows back into gas circuit unit 11, is circulated utilization；One end of another road gas phase return duct 124 is connected on unloads
On gas-liquid separator 1222, the other end is connected with gas circuit unit 11, the gas after gas-liquid separation in the branch road 122 that is mainly used in unloading
State LPG flows back into gas circuit unit 11, is circulated utilization.
Additionally, in the present embodiment liquefied petroleum gas handling sled 1 port of export 11b of gas circuit unit 11 and fluid path unit 12 the
It is equipped with charging crane 13, charging crane 13 includes loading and unloading stop valve 131 and Pull breaking ualve 132 at Single port 12a.Wherein handling cut
Only valve 131 controls the connection of LPG tank car 2 and gas circuit unit 11 and fluid path unit 12, when handling stop valve 131 is closed
When, gaseous state LPG cannot be introduced into LPG tank car 2, and LPG also cannot flow in or out LPG tank car 2；For Pull breaking ualve 132, when LPG tank
Car 2 due to displacement out of control excessive when, Pull breaking ualve 132, emergency cut-off pipeline can be opened, it is to avoid gaseous state LPG and LPG lets out
Dew, reduces potential safety hazard.
Therefore, during the liquefied petroleum gas handling sled 1 handling LPG of the application present invention, only need to be by gas circuit unit 11, fluid path unit
12 corresponding ports are connected with gaseous state LPG storage container, LPG storage tank, LPG tank car 2, regulate and control corresponding valve, need not be
The handling substantial amounts of pipeline of in-site installation, decreases installation workload, accelerates the progress of work, further shorten the working cycle,
Liquefied petroleum gas handling sled 1 internal pipeline of the present invention connects simply simultaneously, all very convenient and whole using mounting and dismounting in front and back
Individual plant area area is little, can flexibly transport, and is easy to the use for the handling of different places LPG, substantially increases the dress of LPG
Unload efficiency.
Although describing the present invention with reference to several exemplary embodiment, it is to be understood that, term used be explanation and
Exemplary and nonrestrictive term.Due to the present invention can be embodied as in a variety of forms without deviating from invention spirit or
Essence, it should therefore be appreciated that above-mentioned embodiment is not limited to any aforesaid details, and should be limited in appended claims
Widely explain in spirit and scope, therefore fall into the whole changes in claim or its equivalent scope and remodeling all should be with
Attached claim is covered.
Claims (7)
1. a kind of liquefied petroleum gas handling sled is it is characterised in that include：
Gas circuit unit, has entrance point and the port of export；Described gas circuit unit also includes pressurizer, the air inlet of this pressurizer
Connect with the entrance point of described gas circuit unit, the gas outlet of pressurizer is connected with the port of export of described gas circuit unit；This gas circuit
The entrance point of unit is passed through gaseous state LPG；
Fluid path unit, has first port and second port；Described fluid path unit also includes entrucking branch road parallel with one another and unloads
Car branch road；The import of described entrucking branch road is connected with the second port of described fluid path unit, outlet and the of described fluid path unit
Single port connects, and the import of this entrucking branch road is sequentially provided with the first dress liquid valve, entrucking gas-liquid separator, loading quality stream to outlet
Gauge, the second dress liquid valve；The import of described branch road of unloading is connected with the first port of described fluid path unit, exports and described fluid path
The second port connection of unit, the import of this branch road of unloading is sequentially provided with first to outlet and unloads liquid valve, gas-liquid separator of unloading, unloads
Car mass flowmenter, second unload liquid valve.
2. liquefied petroleum gas according to claim 1 handling sled is it is characterised in that the air inlet of described pressurizer and going out
QI KOU is connected by a gas-liquid equilibrium pipe, and described gas-liquid equilibrium pipe is provided with gas-liquid equilibrium valve.
3. liquefied petroleum gas according to claim 1 handling sled is it is characterised in that the port of export of described gas circuit unit and liquid
It is equipped with charging crane at the first port of road unit.
4. liquefied petroleum gas handling sled according to claim 3 is it is characterised in that described charging crane includes handling cut-off
Valve and Pull breaking ualve.
5. liquefied petroleum gas according to claim 1 handling sled it is characterised in that described gas circuit unit be provided with two groups mutual
Described pressurizer in parallel；The air inlet of described two groups of pressurizer is all connected with the entrance point of described gas circuit unit, described
The gas outlet of two groups of pressurizer is all connected with the port of export of described gas circuit unit.
6. liquefied petroleum gas handling sled according to claim 1 is it is characterised in that described liquefied petroleum gas handling sled also wraps
Include two-way gas phase return duct；One end of one tunnel gas phase return duct is connected on described entrucking gas-liquid separator, the other end and described gas
Road unit connection；One end of another road gas phase return duct is unloaded on gas-liquid separator described in being connected on, the other end and described gas circuit list
Unit's connection.
7. liquefied petroleum gas according to claim 1 handling sled it is characterised in that described pressurizer be LPG compressor,
LPG special handling pump or LPG compressor handling special with LPG pump Unit erriger.
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