CN209470016U - A kind of low temperature LNG immersed pump sled - Google Patents
A kind of low temperature LNG immersed pump sled Download PDFInfo
- Publication number
- CN209470016U CN209470016U CN201822066622.0U CN201822066622U CN209470016U CN 209470016 U CN209470016 U CN 209470016U CN 201822066622 U CN201822066622 U CN 201822066622U CN 209470016 U CN209470016 U CN 209470016U
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- China
- Prior art keywords
- pipeline
- immersed pump
- low temperature
- lng
- storage tank
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- 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.)
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Abstract
The utility model discloses a kind of low temperature LNG immersed pump sleds, including immersed pump and metab, the immersed pump is fixed on the middle position of metab, the right side of the immersed pump, which is located on metab, is provided with storage tank inlet pipeline, gas returning port storage-tank pipeline is provided in the front position of the immersed pump, and layout designs are more rationally compact, occupied area is smaller, and it can realize that LNG tank car unloads liquid and is delivered to LNG storage tank and LNG dispenser by PLC robot control system(RCS) module perfection, to realize that device systems carry out self-operating, it can be achieved unattended, intelligence degree is significantly improved, and the more stable smoothness of system self-operating, reduce human cost, non-pollution discharge is more environmentally-friendly, effectively improve economic benefit and social benefit.
Description
Technical field
The utility model relates to related gas-fired equipment technical fields, and in particular to a kind of low temperature LNG immersed pump sled.
Background technique
LNG is gradually widely used in motor vehicle fuel as new cleaning fuel in recent years.Since 2012, LNG vapour
Vehicle rapidly develops, and LNG gas station is promoted to speed up the construction.It is domestic to lack design experiences again since related specifications are short of, in certain journey
LNG gas filling station design, construction, operation are affected on degree, gas damage, operational safety etc. occurs in part LNG gas station after building up
Problem.In conjunction with nearly 2 years related work experiences, propose that the key of LNG gas station is the control to design, and in gas station
Mostly important equipment is immersed pump sled, reinforces the design prized to immersed pump and controls, effectively Subsequent secure can be avoided to run
The generation of problem can be LNG gas station storage tank continuous-stable liquid feeding, be that LNG dispenser continues liquid feeding.
The utility model low temperature LNG low temperature immersed pump sled follows GB50156-2014 and " automobile fuel filler gas filling station design and applies
Work specification ", GB50016 " Code for fire protection design of buildings ", GB50058 " explosion and fire prevention hazardous environment electric device design rule
Model ", GB50057 " Code for design of lightning protection of buildings ", GB/T20368 " liquefied natural gas (LNG) production, storage and transportation and shipment ", GB
50251-2015 " code for design of gas transmission pipeline engineering ", GB50028-2006 " Code for design of city gas engineering ", TSG D0001-
2009 " pressure pipeline safety and technical supervision regulations-industrial pipeline " are designed manufacture, test and examination.My company, which combines, to be added
The features such as gas station actual management, operation, operation, optimizes the topology layout of low temperature LNG immersed pump sled, ensure that latent
Liquid pump prizes the complete, compact-sized of function, good appearance.There are unreasonable structures, operation for such skid mounted equipment currently on the market
Inconvenient, the shortcomings that taking up a large area, the reason of generating these problems a part be that the configurations of certain components influences, also have
Caused by a part is the reason is that inconsiderate umbra is rung when designing.
Existing low temperature LNG immersed pump sled technology has the following problems: existing low temperature LNG immersed pump sled layout is not very
Rationally it is compact, occupied area is larger, the degree of automation is not high, system self-operating is not very stable smoothness, to increase manpower
Cost, not fine consideration economic benefit and social benefit.
Utility model content
The purpose of this utility model is to provide a kind of low temperature LNG immersed pump sleds, to solve to propose in above-mentioned background technique
Existing low temperature LNG immersed pump sled layout be not it is quite reasonable it is compact, occupied area is larger, the degree of automation is not high, system from
Operation is not very stable smoothness, to increase human cost, the problem of without good economic benefit and social benefit.
To achieve the above object, the utility model provides the following technical solutions:
A kind of low temperature LNG immersed pump sled, including immersed pump and metab, the immersed pump are fixed on metab
Middle position on, the right side of the immersed pump, which is located on metab, is provided with storage tank inlet pipeline, the immersed pump
Gas returning port storage-tank pipeline is provided in front position, the lower section of the gas returning port storage-tank pipeline, which is located on immersed pump, is provided with storage tank
Liquid outlet pipeline, the centre of the storage tank liquid outlet pipeline are provided with liquid phase mouth pipeline of unloading, the liquid phase mouth pipeline of unloading
Side, which is located on metab, is provided with boost port pipeline of unloading, and is provided with storage tank among the rear end of the boost port pipeline of unloading
BOG outlet conduit is provided with dispenser inlet pipeline, the dispenser feed liquor among the upper end of the liquid phase mouth pipeline of unloading
The lower section of mouth pipeline, which is located on storage tank inlet pipeline, is provided with dispenser liquid return hole pipeline, the dispenser inlet pipeline
Front side, which is located on liquid phase mouth pipeline of unloading, is provided with gas phase mouth pipeline of unloading, and the EAG is vented outlet conduit, gas phase mouth of unloading
Pipeline and EAG emptying inlet pipeline are connected with combined gasifying device, and the combined gasifying device is fixedly mounted on metab
On, the immersed pump and external power supply are electrically connected.
Preferably, the EAG emptying inlet pipeline includes that left side connecting flange, intermediate conduit, intermediate square and right side connect
Acting flange, the centre of the intermediate conduit are provided with intermediate square, and the left end of the intermediate conduit is provided with left side connecting flange,
The right end of the intermediate conduit is provided with right side connecting flange, and the left side connecting flange is connected on combined gasifying device.
Preferably, the immersed pump includes bridge piece, the connection pump housing and mounting flange, and the upper end of the connection pump housing is set
It is equipped with bridge piece, the front end of the bridge piece is provided with mounting flange, and the mounting flange is connected to storage tank inlet pipe
On the junction middle position of road and dispenser inlet pipeline.
Preferably, described device includes that unload booster, pneumatic emergency of immersed pump (4), metab (6), air temperature type is cut
Disconnected valve, cryogenic globe valve, low temperature check-valves, low-temperature safety diffusion valve, pressure gauge, thermometer, pressure transmitter, temperature pick-up
Device, stainless steel cryogenic piping, stainless steel low temperature pipe fitting, steel flange, stainless steel bolt.
Preferably, the storage tank BOG outlet conduit, gas returning port storage-tank pipeline, storage tank liquid outlet pipeline, storage tank inlet pipe
Road, EAG emptying outlet conduit, liquid phase mouth of unloading pipeline, boost port of unloading pipeline, gas phase mouth pipeline of unloading, EAG are vented inlet tube
The inside in road, dispenser inlet pipeline and dispenser liquid return hole pipeline is at hollow state.
Preferably, it is described can by PLC robot control system(RCS) module perfection realize LNG tank car unload liquid be delivered to LNG storage tank and
LNG dispenser.
Preferably, the immersed pump is fixedly connected by way of being welded and fixed with metab.
Preferably, the shape size of the EAG emptying outlet conduit and EAG emptying inlet pipeline is equal, and the EAG is put
Air Export pipeline and EAG are vented inlet pipeline centre two sides symmetrically state.
Compared with prior art, the utility model provides a kind of low temperature LNG immersed pump sled, have it is following the utility model has the advantages that
The utility model low temperature LNG immersed pump sled mainly includes that immersed pump (4), metab (6), air temperature type are unloaded pressurization
Device, pneumatic emergency stop valve, cryogenic globe valve, low temperature check-valves, low-temperature safety diffusion valve, pressure gauge, thermometer, pressure inverting
Device, temperature transmitter, stainless steel cryogenic piping, stainless steel low temperature pipe fitting, steel flange, stainless steel bolt, and be laid out and set
Meter is more rationally compact, occupied area is smaller, and can realize that LNG tank car unloads liquid conveying by PLC robot control system(RCS) module perfection
To LNG storage tank and LNG dispenser, after every control logic imports PLE robot control system(RCS), robot control system(RCS) can be controlled voluntarily remotely
The equipment such as pneumatic emergency stop valve, immersed pump, transmitter, device systems carry out self-operating, it can be achieved that unattended, intelligent journey
Degree is significantly improved, and system self-operating more stable smooth, reduction human cost, non-pollution discharge more ring
It protects, effectively improves economic benefit and social benefit.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention, in the accompanying drawings:
Fig. 1 be the utility model proposes a kind of low temperature LNG immersed pump prize structural schematic diagram；
Fig. 2 be the utility model proposes low temperature LNG immersed pump prize sectional perspective structural schematic diagram；
Fig. 3 be the utility model proposes low temperature LNG immersed pump prize top structure schematic diagram；
Fig. 4 be the utility model proposes EAG be vented inlet pipeline structure schematic diagram；
Fig. 5 be the utility model proposes immersed pump structural schematic diagram；
In figure: 1, storage tank BOG outlet conduit；2, gas returning port storage-tank pipeline；3, storage tank liquid outlet pipeline；4, immersed pump；41,
Bridge piece；42, the pump housing is connected；43, mounting flange；5, storage tank inlet pipeline；6, metab；7, EAG is vented outlet
Road；8, combined gasifying device；9, liquid phase mouth of unloading pipeline；10, boost port of unloading pipeline；11, it unloads gas phase mouth pipeline；12,EAG
It is vented inlet pipeline；121, left side connecting flange；122, intermediate conduit；123, intermediate square；124, right side connecting flange；13,
Dispenser inlet pipeline；14, dispenser liquid return hole pipeline.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-5 is please referred to, the utility model provides a kind of technical solution:
A kind of low temperature LNG immersed pump sled, including immersed pump 4 and metab 6, immersed pump 4 are fixed on metab
On 6 middle position, the right side of immersed pump 4, which is located on metab 6, is provided with storage tank inlet pipeline 5, before immersed pump 4
It is provided with gas returning port storage-tank pipeline 2 on end position, the lower section of gas returning port storage-tank pipeline 2, which is located at, to be provided with storage tank on immersed pump 4 and go out
The centre of liquid mouth pipeline 3, storage tank liquid outlet pipeline 3 is provided with liquid phase mouth pipeline 9 of unloading, the side position of liquid phase mouth of unloading pipeline 9
In being provided with boost port pipeline 10 of unloading on metab 6, storage tank BOG is provided among the rear end of boost port of unloading pipeline 10 and is gone out
Mouthful pipeline 1 is provided with dispenser inlet pipeline 13, dispenser inlet pipeline 13 among the upper end of liquid phase mouth of unloading pipeline 9
Lower section be located on storage tank inlet pipeline 5 and be provided with dispenser liquid return hole pipeline 14, the front side of dispenser inlet pipeline 13
Gas phase mouth pipeline 11 of unloading is provided on liquid phase mouth pipeline 9 of unloading, EAG is vented outlet conduit 7, gas phase mouth pipeline 11 of unloading
It is connected with EAG emptying inlet pipeline 12 with combined gasifying device 8, combined gasifying device 8 is fixedly mounted on metab 6,
Immersed pump 4 and external power supply are electrically connected.
Further, it includes left side connecting flange 121, intermediate conduit 122, intermediate square 123 that EAG, which is vented inlet pipeline 12,
With right side connecting flange 124, the centre of intermediate conduit 122 is provided with intermediate square 123, and the left end of intermediate conduit 122 is provided with
Left side connecting flange 121, the right end of intermediate conduit 122 are provided with right side connecting flange 124, and left side connecting flange 121 is connected to
On combined gasifying device 8, the left side connecting flange 121 of EAG emptying inlet pipeline 12 is connected on combined gasifying device 8, in this way
By being fixedly connected for flange, so that the stronger convenience being fixedly connected, and to be fixedly connected more closely, and in
Between on pipeline 122 screw socket can be very good to communicate with external connection line so that more convenient when in use, and right side connects
Flange 124 can be very good to be connected with external device (ED), so that more convenient when in use.
Further, immersed pump 4 includes bridge piece 41, the connection pump housing 42 and mounting flange 43, connects the upper end of the pump housing 42
It is provided with bridge piece 41, the front end of bridge piece 41 is provided with mounting flange 43, and mounting flange 43 is connected to storage tank inlet
On the junction middle position of pipeline 5 and dispenser inlet pipeline 13, the mounting flange 43 of immersed pump 4 is connected to storage tank feed liquor
On the junction middle position of mouth pipeline 5 and dispenser inlet pipeline 13, so that more convenient when in use.
Further, device mainly includes that unload booster, pneumatic emergency of immersed pump (4), metab (6), air temperature type is cut
Disconnected valve, cryogenic globe valve, low temperature check-valves, low-temperature safety diffusion valve, pressure gauge, thermometer, pressure transmitter, temperature pick-up
Device, stainless steel cryogenic piping, stainless steel low temperature pipe fitting, steel flange, stainless steel bolt, so as to be controlled well
It uses, and more to facilitate when in use.
Further, storage tank BOG outlet conduit 1, gas returning port storage-tank pipeline 2, storage tank liquid outlet pipeline 3, storage tank inlet pipe
Road 5, EAG emptying outlet conduit 7, liquid phase mouth of unloading pipeline 9, boost port of unloading pipeline 10, unload gas phase mouth pipeline 11, EAG are put
The inside of empty inlet pipeline 12, dispenser inlet pipeline 13 and dispenser liquid return hole pipeline 14 at hollow state, so as to
Well by object, so that will not hinder when in use.
Further, it is possible to be unloaded by PLC robot control system(RCS) module perfection realization LNG tank car, liquid is delivered to LNG storage tank and LNG adds
Mechanism of qi can be very good to carry out automation control use in this way, so that control is more efficient.
Further, immersed pump 4 is fixedly connected by way of being welded and fixed with metab 6, is consolidated in this way by what is welded
It is fixed, so that being fixedly connected more securely.
Further, it is equal with the EAG emptying shape size of inlet pipeline 12 to be vented outlet conduit 7 by EAG, and EAG is vented out
Mouth pipeline 7 and EAG are vented the intermediate two sides of inlet pipeline 12 symmetrically state, so as to be fixedly connected well, so that
It is more convenient when in use.
The working principle and process for using of the utility model: after the utility model installs, so that it may which low temperature LNG is dived
Liquid pump sled is mounted on designated position.And low temperature LNG immersed pump sled passes through the fixed placement of metab 6, so that placing more
Add stabilization.The connection for connecting model ISG125-25 immersed pump 4 Yu external power supply later fixes EAG later and is vented out
The connection of mouth pipeline 7, unload gas phase mouth pipeline 11 and EAG emptying inlet pipeline 12 1 side flange and combined gasifying device 8.It uses
When, just connecting storage tank BOG outlet conduit 1, gas returning port storage-tank pipeline 2, storage tank liquid outlet pipeline 3, storage tank inlet
Pipeline 5, EAG are vented outlet conduit 7, liquid phase mouth of unloading pipeline 9, boost port of unloading pipeline 10, unload gas phase mouth pipeline 11, EAG
It is vented inlet pipeline 12, dispenser inlet pipeline 13 and dispenser liquid return hole pipeline 14 and external connection.And low temperature LNG is latent
Liquid pump sled mainly includes that immersed pump (4), metab (6), air temperature type are unloaded booster, pneumatic emergency stop valve, low temperature cut-off
Valve, low temperature check-valves, low-temperature safety diffusion valve, pressure gauge, thermometer, pressure transmitter, temperature transmitter, stainless steel cryotronl
Road, stainless steel low temperature pipe fitting, steel flange, stainless steel bolt, and the LNG low temperature high pressure gas of each pipeline release passes through EAG
After gasifier, diffused gas can smoothly enter into gas station room temperature diffusion system, prevent immersed pump sled system from influencing because of pressure rise
Equipment safety and equipment operation, protection immersed pump sled equipment and personnel safety.Immersed pump 4 is mostly important in immersed pump sled sets
It is standby, the purpose is to pressurize to LNG liquid, makes LNG liquid smooth delivery of power to LNG storage tank or be delivered to LNG dispenser, liquid of diving
Pump 4 is equipped with corresponding pressure, thermometric instrument, safe diffusion system, and 4 outlet tube road of immersed pump is respectively set low temperature pneumatic emergency and cuts
Disconnected valve controls controlling flow direction, and low temperature LNG immersed pump sled can realize that LNG tank car unloads liquid by PLC robot control system(RCS) module perfection
It is delivered to LNG storage tank and LNG dispenser, after every control logic imports PLE robot control system(RCS), robot control system(RCS) can be controlled voluntarily
The equipment such as long-range pneumatic emergency stop valve, immersed pump 4, transmitter, device systems carry out self-operating, it can be achieved that unattended, intelligence
Degree can be changed significantly to be improved.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (8)
1. a kind of low temperature LNG immersed pump sled, including immersed pump (4) and metab (6), it is characterised in that: the immersed pump (4)
It is fixed on the middle position of metab (6), the right side of the immersed pump (4), which is located on metab (6), to be provided with
Storage tank inlet pipeline (5) is provided with gas returning port storage-tank pipeline (2), the gas returning port in the front position of the immersed pump (4)
The lower section of storage-tank pipeline (2), which is located on immersed pump (4), is provided with storage tank liquid outlet pipeline (3), the storage tank liquid outlet pipeline (3)
Centre be provided with unload liquid phase mouth pipeline (9), the side of the liquid phase mouth pipeline (9) of unloading, which is located on metab (6), to be set
It is equipped with unload boost port pipeline (10), is provided with storage tank BOG outlet conduit among the rear end of boost port pipeline (10) of unloading
(1), dispenser inlet pipeline (13), the dispenser feed liquor are provided among the upper end of liquid phase mouth pipeline (9) of unloading
The lower section of mouth pipeline (13), which is located on storage tank inlet pipeline (5), is provided with dispenser liquid return hole pipeline (14), the dispenser
The front side of inlet pipeline (13), which is located to unload, is provided with unload gas phase mouth pipeline (11) on liquid phase mouth pipeline (9), and EAG is vented out
Mouthful pipeline (7) unloads gas phase mouth pipeline (11) and EAG is vented inlet pipeline (12) and is connected with combined gasifying device (8), described
Combined gasifying device (8) is fixedly mounted on metab (6), and the immersed pump (4) and external power supply are electrically connected.
2. a kind of low temperature LNG immersed pump sled according to claim 1, it is characterised in that: the EAG is vented inlet pipeline
It (12) include left side connecting flange (121), intermediate conduit (122), intermediate square (123) and right side connecting flange (124), it is described
The centre of intermediate conduit (122) is provided with intermediate square (123), and the left end of the intermediate conduit (122) is provided with left side connection
Flange (121), the right end of the intermediate conduit (122) are provided with right side connecting flange (124), the left side connecting flange
(121) it is connected on combined gasifying device (8).
3. a kind of low temperature LNG immersed pump sled according to claim 1, it is characterised in that: the immersed pump (4) includes connection
The upper end of bend pipe (41), the connection pump housing (42) and mounting flange (43), the connection pump housing (42) is provided with bridge piece (41),
The front end of the bridge piece (41) is provided with mounting flange (43), and the mounting flange (43) is connected to storage tank inlet pipeline
(5) and on the junction middle position of dispenser inlet pipeline (13).
4. a kind of low temperature LNG immersed pump sled according to claim 1, it is characterised in that: the gas returning port storage-tank pipeline
(2), including immersed pump (4), metab (6), air temperature type are unloaded booster, pneumatic emergency stop valve, cryogenic globe valve, low temperature
It is check-valves, low-temperature safety diffusion valve, pressure gauge, thermometer, pressure transmitter, temperature transmitter, stainless steel cryogenic piping, stainless
Steel low temperature pipe fitting, steel flange, stainless steel bolt.
5. a kind of low temperature LNG immersed pump sled according to claim 1, it is characterised in that: the storage tank BOG outlet conduit
(1), gas returning port storage-tank pipeline (2), storage tank liquid outlet pipeline (3), storage tank inlet pipeline (5), EAG emptying outlet conduit (7),
Liquid phase mouth of unloading pipeline (9), boost port of unloading pipeline (10), gas phase mouth pipeline (11) of unloading, EAG emptying inlet pipeline (12),
The inside of dispenser inlet pipeline (13) and dispenser liquid return hole pipeline (14) is at hollow state.
6. a kind of low temperature LNG immersed pump sled according to claim 1, it is characterised in that: described to pass through PLC automatic control system
System module perfection realizes that LNG tank car unloads liquid and is delivered to LNG storage tank and LNG dispenser.
7. a kind of low temperature LNG immersed pump sled according to claim 1, it is characterised in that: the immersed pump (4) and metal bottom
Seat (6) is fixedly connected by way of being welded and fixed.
8. a kind of low temperature LNG immersed pump sled according to claim 4, it is characterised in that: the EAG is vented outlet conduit
(7) and the shape size of EAG emptying inlet pipeline (12) is equal, and EAG emptying outlet conduit (7) and EAG are vented import
The intermediate two sides of pipeline (12) symmetrically state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822066622.0U CN209470016U (en) | 2018-12-11 | 2018-12-11 | A kind of low temperature LNG immersed pump sled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822066622.0U CN209470016U (en) | 2018-12-11 | 2018-12-11 | A kind of low temperature LNG immersed pump sled |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209470016U true CN209470016U (en) | 2019-10-08 |
Family
ID=68089257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822066622.0U Expired - Fee Related CN209470016U (en) | 2018-12-11 | 2018-12-11 | A kind of low temperature LNG immersed pump sled |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209470016U (en) |
-
2018
- 2018-12-11 CN CN201822066622.0U patent/CN209470016U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191008 Termination date: 20201211 |