CN202629586U - Box type gas filling device for liquefied natural gas - Google Patents
Box type gas filling device for liquefied natural gas Download PDFInfo
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- CN202629586U CN202629586U CN 201220127511 CN201220127511U CN202629586U CN 202629586 U CN202629586 U CN 202629586U CN 201220127511 CN201220127511 CN 201220127511 CN 201220127511 U CN201220127511 U CN 201220127511U CN 202629586 U CN202629586 U CN 202629586U
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- natural gas
- liquefied natural
- lng liquefied
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- liquid
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Abstract
The utility model discloses a box type gas filling device for a liquefied natural gas. The device comprises a storage tank and a pump sump. The storage tank is arranged in a box type frame. A lining type protecting dike is arranged in the box type frame. An immersed pump and a flow meter are arranged in the pump sump, and are immersed in the liquefied natural gas of the pump sump. In such a way, according to the box type gas filling device for the liquefied natural gas, an accidentally leaked liquefied natural gas can be effectively prevented from overflowing from a box body; the immersed pump and the flow meter are immersed in the liquefied natural gas of the pump sump, so that the liquefied natural gas can be instantly filled without precooling; and the immersed pump is speed-variable, so that the filling speed of the liquefied natural gas and the saturation degree of the stored liquefied natural gas can be controlled.
Description
Technical field
The utility model relates to the LNGV application, particularly relates to the box aerator of a kind of LNG Liquefied natural gas.
Background technique
The automotive applications of China LNG (LNG Liquefied natural gas) 2005 along with the LNG industrial expansion grows up.LNG (LNG Liquefied natural gas) is a kind of boiling point-162 ℃ cryogenic liquid, its storage and use the characteristic that all relates to the cryogenic liquid medium.
The LNG storage facilities must have good heat-insulating property, thereby avoids unnecessary vaporization of LNG and discharging.The LNG loading system also should make LNG in filling process, remain pure liquid state basically, promptly in adding liquid systems, avoids gas-liquid two-phase flow to exist.
In view of the characteristic of LNG cryogenic liquid, let automobile to motor car engine the gas fuel of pressure and stability of flow is provided with the LNG fuel system, the LNG liquid that automobile provides with the box loading system of LNG is to meet the LNG saturated liquids that automobile requires with gaseous-pressure.
Existing movable liquefied natural gas liquid-adding device; Or consider design lined embankment (like tank car time liquid feeding car); Or it is the same with fixed LNG liquid feeding station; Need transform embankment on the ground, the utility model is that portable LNG liquid-adding device provides the lined embankment, effectively the Safety performance of generator.
The model utility content
The technical problem that the utility model mainly solves provides the box aerator of a kind of portable LNG Liquefied natural gas; Be placed in the removable box frame that is provided with the lined embankment, can effectively prevent the safety protection when LNG adds liquid systems accidental release LNG; Immersed pump and flowmeter are immersed in the LNG Liquefied natural gas in pump pond; Do not need precooling to carry out immediately to vehicle-mounted bottle filling LNG Liquefied natural gas; Immersed pump adopts the motor of variable speed, can control the liquid feeding speed of LNG Liquefied natural gas and the natural saturation ratio state of liquefaction of storage.
For solving the technical problem of above-mentioned existing product; The technological scheme that the utility model adopts is: provide a kind of LNG Liquefied natural gas box aerator; Comprise: storage tank and the pump pond that is arranged on the storage tank below; Storage tank is arranged on box frame inside, storage tank comprise shell and the heat insulation layer that forms by shell in interior tank body, interior tank body top is connected with the LNG Liquefied natural gas liquid inlet pipe; The liquid outlet of interior tank body is through the liquid-inlet in vacuum insulation feed liquid pipeline connection pump pond, and the gas outlet in pump pond connects the gas inlet on interior tank body top through the vacuum insulation blowdown piping;
The pump pond comprise shell and the heat insulation layer that forms by shell in inner container; The inner container set inside has immersed pump and flowmeter; LNG Liquefied natural gas connects the import of immersed pump, the outlet connection traffic meter import of immersed pump, and the flowmeter top is connected with liquid-feeding tube and adds hydraulic control valve.
In preferred embodiment of the utility model, said box frame comprises and supports sled and be installed in sidewall and the base that supports on the sled, sidewall comprise vertical placement I-steel, be arranged on X-member and metal fence on the I-steel.
In preferred embodiment of the utility model, be provided with the lined embankment in the said box frame.
In preferred embodiment of the utility model, the support at said box frame top sled is provided with illuminatian plate, and box frame is the container-type frame structure.
In preferred embodiment of the utility model, the LNG Liquefied natural gas liquid inlet pipe of said interior tank body top is provided with drencher, and interior tank body below is provided with liquid-returner.
In preferred embodiment of the utility model, said vacuum insulation feed liquid pipeline is provided with liquid supply valve, and the vacuum insulation blowdown piping is provided with return-air valve;
In preferred embodiment of the utility model; Also comprise first interface, first control valve, second interface and second control valve; The liquid pipe that unloads of said LNG Liquefied natural gas haulage vehicle is connected the vacuum insulation feed liquid pipeline through first interface with first control valve, and the muffler of LNG Liquefied natural gas haulage vehicle is connected to the vacuum insulation blowdown piping through second interface and second manually operated valve.
In preferred embodiment of the utility model, also be connected with the flowmeter by-pass pipe on the said flowmeter, be connected with saturated cycle heat exchange coil pipe and saturated cycle heat exchange coil pipe control valve on the flowmeter by-pass pipe.
In preferred embodiment of the utility model, also comprise the secondary pipeline, the secondary pipeline takes back interior tank body through the flowmeter by-pass pipe, and the secondary pipeline is provided with saturated cycle heat exchange coil pipe.
The beneficial effect of the utility model is: be placed on one to the LNG Liquefied natural gas loading system movably in the box frame; Be provided with the lined embankment in the box frame; The LNG Liquefied natural gas of tank inside is connected to immersed pump; Immersed pump be speed change and have flowmeter, immersed pump and flowmeter are immersed in the LNG Liquefied natural gas in pump pond, do not need precooling to carry out immediately vehicle-mounted bottle filling LNG Liquefied natural gas; Immersed pump adopts speed change, can control the liquid feeding speed of LNG Liquefied natural gas and the natural degree of saturation of liquefaction of storage.
Description of drawings
Fig. 1 is the structural representation of box aerator one preferred embodiment of the utility model LNG Liquefied natural gas;
Fig. 2 is the structural representation of a preferred embodiment of the box frame of the utility model;
The mark of each parts is following in the accompanying drawing: 1, storage tank, 1-1, shell, 1-2, interior tank body, 1-2-1, drencher, 1-2-2, liquid-returner, 2, the pump pond; 2-1, shell, 2-2, inner container, 3, the vacuum insulation feed liquid pipeline, 4, the feed liquor valve, 5, the vacuum insulation blowdown piping, 6, return-air valve; 7, immersed pump, 8, flowmeter, 9, liquid-feeding tube, 10, add hydraulic control valve, 11, support sled, 12, sidewall; 13, base, 14, I-steel, 15, X-member, 16, metal fence, 19, illuminatian plate, 20, first interface; 21, first manually operated valve, 22, second interface, 23, second manually operated valve, 24, the flowmeter by-pass pipe, 25, saturated cycle heat exchange coil pipe; 26, saturated cycle heat exchange coil pipe control valve, 27, the secondary pipeline, 28, the liquid valve of diving, 29, the LNG Liquefied natural gas liquid inlet pipe, 30, liquid inlet control valve.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiment of the utility model is set forth in detail, thereby the protection domain of the utility model is made more explicit defining so that advantage of the utility model and characteristic can be easier to it will be appreciated by those skilled in the art that.
See also Fig. 1 to Fig. 2, the utility model is embodiment comprise:
The box aerator of a kind of LNG Liquefied natural gas comprises: storage tank 1 and the pump pond 2 that is arranged on storage tank 1 below.
Wherein, storage tank 1 is arranged on box frame inside, and box frame is the container-type frame structure.Said box frame comprises supporting sled 11 and being installed in support prizes sidewall 12 and base 13 on 11.Sidewall 12 comprise vertical placement I-steel 14, be arranged on X-member 15 and metal fence 16 on the I-steel 14.Sidewall 12 comprises that storage tank 1 is surrounded to the various parts of transport system, protects it not receive the damage of external force.
Be provided with the lined embankment in the box frame, the lined protection is carried and is adopted stainless steel material to process.When accidental release appearred in storage tank 1, pump pond 2 or pipe-line system, the lined embankment was stored in the LNG Liquefied natural gas that leaks in the embankment, prevented to external leakage the LNG Liquefied natural gas upwards ascension of can only vaporizing.
The support sled 11 at box frame top is provided with illuminatian plate 19, is used for the illumination at night.The base 13 of box frame is a packaged type, is convenient to the handling operation on haulage vehicle.
Said storage tank 1 is a double-walled construction, comprises shell 1-1 and by the interior tank body 1-2 of shell 1-1 parcel, forms adiabatic space between the two.Interior tank body 1-2 interior reservoir has a certain amount of LNG Liquefied natural gas, and top is gas-phase space, and the bottom is the liquid phase space.Interior tank body 1-2 top is provided with spraying head 1-2-1, can when feed liquor, reduce a jar internal pressure.Interior tank body 1-2 top is connected with LNG Liquefied natural gas liquid inlet pipe 29 and liquid inlet control valve 30, so that from the LNG Liquefied natural gas haulage vehicle LNG Liquefied natural gas of removing stage makeup and costume.
The liquid outlet of interior tank body 1-2 below is through the liquid-inlet in vacuum insulation feed liquid pipeline 3 connection pump ponds 2, and the gas outlet in pump pond 2 is through the gas inlet on tank body 1-2 top in 5 connections of vacuum insulation blowdown piping.
Wherein, vacuum insulation feed liquid pipeline 3 is provided with liquid supply valve 4, can control the flow of LNG Liquefied natural gas in the vacuum insulation feed liquid pipeline 3; Vacuum insulation blowdown piping 5 is provided with return-air valve 6, can control gaseous flow to storage tank 1 from pump pond 2.Liquid supply valve 4 stays open when the LNG Liquefied natural gas haulage vehicle unloads liquid at storage tank with return-air valve 6, so that flow direction pump pond 2, and allows the backflow of gas in the pump pond 2.
The liquid pipe that unloads on the LNG Liquefied natural gas haulage vehicle is connected to vacuum insulation feed liquid pipeline 3 through first interface 20 and first manually operated valve 21, and the muffler on the LNG Liquefied natural gas haulage vehicle is connected to vacuum insulation blowdown piping 5 through second interface 22 and second manually operated valve 23.
Storage tank 1 concrete topping up process is:
At first close return-air valve 6 and liquid supply valve 4; Isolate pump pond 2 and storage tank 1, next connects drainage pipe on the haulage vehicle to first interface 20, connects muffler on the haulage vehicle to second interface 22; And open first manually operated valve 21 and second manually operated valve 23; Make and LNG Liquefied natural gas entering pump pond 2 under the effect of gravity in the storage tank 1 open then and dive liquid valve 28 and start immersed pump 7, the topping up process that immersed pump 7 is started working and assisted storage tank 1.
Said pump pond 2 comprises shell 2-1 and the inner container 2-2 that is surrounded by shell 2-1.Inner container 2-2 set inside has the immersed pump 7 and flowmeter 8 of the rock gas submergence that is liquefied.The import of immersed pump 7 connects LNG Liquefied natural gas, the import of the outlet connection traffic meter 8 of immersed pump 7, and flowmeter 8 tops are connected with liquid-feeding tube 9 and add hydraulic control valve 10, and LNG Liquefied natural gas is transported in the vehicle-mounted bottle through liquid-feeding tube 9,
Also be connected with flowmeter by-pass pipe 24 on the flowmeter 8, be connected with saturated cycle heat exchange coil pipe 25 and saturated cycle heat exchange coil pipe control valve 26 on the flowmeter by-pass pipe 24.Flowmeter by-pass pipe 24 is delivered to saturated cycle heat exchange coil pipe 25 to the LNG Liquefied natural gas without flowmeter.
The box aerator of said LNG Liquefied natural gas also comprises secondary pipeline 27, tank body 1-2 in secondary pipeline 27 will take back through the LNG Liquefied natural gas of supersaturation cycle heat exchange coil pipe 25.
When saturated circulation mode, open saturated cycle heat exchange coil pipe control valve 26, immersed pump 7 gets into saturated cycle heat exchange coil pipe 25 with liquefied natural gas pump, and the saturated cycle heat exchange coil pipe 25 of flowing through is after secondary pipeline 27 is back to interior tank body 1-2.Secondary pipeline 27 keeps shut when vehicle-mounted bottle is annotated at LNG Liquefied natural gas.After LNG Liquefied natural gas gets into saturated cycle heat exchange coil pipe 25; Heat around absorbing; Liquid-returner 1-2-2 through interior tank body 1-2 below gets back to interior tank body 1-2 inside; LNG Liquefied natural gas temperature in the storage tank 1 is risen, up to reaching the needed suction pressure of motor car engine that LNG Liquefied natural gas is a fuel.
The speed of immersed pump 7 is variable, can be when liquid feeding high speed pump feed liquor rock gas, also can play saturated cycle stage slow running.Beating the saturated cycle stage, the speed of immersed pump 7 can be controlled the flow velocity that reaches certain makes liquid pass through saturated cycle heat exchange coil pipe 25.
The beneficial effect of the box aerator of the utility model LNG Liquefied natural gas is:
Storage tank 1 is arranged on box frame inside, is provided with the lined embankment in the box frame, and in the time of can preventing that accidental release from appearring in storage tank and system, LNG Liquefied natural gas overflows outside the case, and the ascension of can only vaporizing upwards;
The inner LNG Liquefied natural gas of storage tank 1 is connected to immersed pump 7, immersed pump 7 be speed change and have flowmeter 8, LNG Liquefied natural gas flows to the pump pond under action of gravity;
Immersed pump 7 is immersed in the LNG Liquefied natural gas in pump pond 2 with flowmeter 8, does not so need precooling immersed pump 7 or flowmeter 8, just can begin the LNG Liquefied natural gas of annotating at once;
LNG Liquefied natural gas in the storage tank 1 can reach the saturation state that needs through saturated cycle heat exchange coil pipe 25 or heat exchanger coil, so that make vehicle-mounted bottle to motor car engine stable and enough flow and pressure are provided;
Immersed pump 7 is provided with flowmeter by-pass pipe 24 and is connected to saturated coil pipe 25; LNG Liquefied natural gas can pump and get into saturated cycle heat exchange coil pipe 25; The inside of transmitting back storage tank 1 through liquid-returner 1-2-2 then makes LNG Liquefied natural gas reach required saturation state like this.
The above is merely the embodiment of the utility model; Be not thus the restriction the utility model claim; Every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the utility model.
Claims (9)
1. box aerator of LNG Liquefied natural gas; It is characterized in that, comprising: storage tank and the pump pond that is arranged on the storage tank below, storage tank is arranged on box frame inside; Storage tank comprise shell and the heat insulation layer that forms by shell in interior tank body; Interior tank body top is connected with the LNG Liquefied natural gas liquid inlet pipe, and the liquid outlet of interior tank body is through the liquid-inlet in vacuum insulation feed liquid pipeline connection pump pond, and the gas outlet in pump pond is through the gas inlet on tank body top in the connection of vacuum insulation blowdown piping;
The pump pond comprise shell and the heat insulation layer that forms by shell in inner container; The inner container set inside has immersed pump and flowmeter; LNG Liquefied natural gas connects the import of immersed pump, the outlet connection traffic meter import of immersed pump, and the flowmeter top is connected with liquid-feeding tube and adds hydraulic control valve.
2. the box aerator of LNG Liquefied natural gas according to claim 1; It is characterized in that; Said box frame comprises and supports sled and be installed in sidewall and the base that supports on the sled, sidewall comprise vertical placement I-steel, be arranged on X-member and metal fence on the I-steel.
3. the box aerator of LNG Liquefied natural gas according to claim 2 is characterized in that, is provided with the lined embankment in the said box frame.
4. the box aerator of LNG Liquefied natural gas according to claim 2 is characterized in that, the support sled at said box frame top is provided with illuminatian plate, and box frame is the container-type frame structure.
5. the box aerator of LNG Liquefied natural gas according to claim 2 is characterized in that, the support sled at said box frame top is provided with illuminatian plate, and box frame is the container-type frame structure.
6. the box aerator of LNG Liquefied natural gas according to claim 1 is characterized in that said vacuum insulation feed liquid pipeline is provided with liquid supply valve, and the vacuum insulation blowdown piping is provided with return-air valve.
7. the box aerator of LNG Liquefied natural gas according to claim 1; It is characterized in that; Also comprise first interface, first control valve, second interface and second control valve; The liquid pipe that unloads of said LNG Liquefied natural gas haulage vehicle is connected the vacuum insulation feed liquid pipeline through first interface with first control valve, and the muffler of LNG Liquefied natural gas haulage vehicle is connected to the vacuum insulation blowdown piping through second interface and second manually operated valve.
8. the box aerator of LNG Liquefied natural gas according to claim 1 is characterized in that, also is connected with the flowmeter by-pass pipe on the said flowmeter, is connected with saturated cycle heat exchange coil pipe and saturated cycle heat exchange coil pipe control valve on the flowmeter by-pass pipe.
9. the box aerator of LNG Liquefied natural gas according to claim 8 is characterized in that also comprise the secondary pipeline, the secondary pipeline takes back interior tank body through the flowmeter by-pass pipe, and the secondary pipeline is provided with saturated cycle heat exchange coil pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220127511 CN202629586U (en) | 2012-03-30 | 2012-03-30 | Box type gas filling device for liquefied natural gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220127511 CN202629586U (en) | 2012-03-30 | 2012-03-30 | Box type gas filling device for liquefied natural gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202629586U true CN202629586U (en) | 2012-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220127511 Expired - Lifetime CN202629586U (en) | 2012-03-30 | 2012-03-30 | Box type gas filling device for liquefied natural gas |
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| Country | Link |
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| CN (1) | CN202629586U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103791231A (en) * | 2014-02-19 | 2014-05-14 | 中船圣汇装备有限公司 | LNG (Liquefied Natural Gas) filling sled |
| CN104235594A (en) * | 2013-06-13 | 2014-12-24 | 张家港中集圣达因低温装备有限公司 | Horizontal double-layer buried storage tank |
| CN104235595A (en) * | 2013-06-13 | 2014-12-24 | 张家港中集圣达因低温装备有限公司 | Horizontal double-layer buried storage tank |
| CN105042329A (en) * | 2015-08-26 | 2015-11-11 | 成都华气厚普机电设备股份有限公司 | Double-layer type LNG pump well structure and storage tank comprising structure |
| CN107606486A (en) * | 2017-11-09 | 2018-01-19 | 成都深冷凌泰机电科技有限公司 | A kind of LNG gas stations loading system and its method |
-
2012
- 2012-03-30 CN CN 201220127511 patent/CN202629586U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104235594A (en) * | 2013-06-13 | 2014-12-24 | 张家港中集圣达因低温装备有限公司 | Horizontal double-layer buried storage tank |
| CN104235595A (en) * | 2013-06-13 | 2014-12-24 | 张家港中集圣达因低温装备有限公司 | Horizontal double-layer buried storage tank |
| CN104235594B (en) * | 2013-06-13 | 2017-05-03 | 张家港中集圣达因低温装备有限公司 | Horizontal double-layer buried storage tank |
| CN103791231A (en) * | 2014-02-19 | 2014-05-14 | 中船圣汇装备有限公司 | LNG (Liquefied Natural Gas) filling sled |
| CN105042329A (en) * | 2015-08-26 | 2015-11-11 | 成都华气厚普机电设备股份有限公司 | Double-layer type LNG pump well structure and storage tank comprising structure |
| CN105042329B (en) * | 2015-08-26 | 2017-06-30 | 成都华气厚普机电设备股份有限公司 | Two-layer equation LNG pump well construction and the storage tank containing its structure |
| CN107606486A (en) * | 2017-11-09 | 2018-01-19 | 成都深冷凌泰机电科技有限公司 | A kind of LNG gas stations loading system and its method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121226 |
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| CX01 | Expiry of patent term |