CN204922494U - Gas station and power device thereof - Google Patents
Gas station and power device thereof Download PDFInfo
- Publication number
- CN204922494U CN204922494U CN201520666929.8U CN201520666929U CN204922494U CN 204922494 U CN204922494 U CN 204922494U CN 201520666929 U CN201520666929 U CN 201520666929U CN 204922494 U CN204922494 U CN 204922494U
- Authority
- CN
- China
- Prior art keywords
- suction flow
- liquid
- flow container
- container
- pressure
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model provides a gas station and power device thereof, this power device includes: suction fluid reservoir and atmospheric pressure adjustment mechanism, the inlet of suction fluid reservoir and the first leakage fluid dram of liquid storage pot link to each other, and the leakage fluid dram of suction fluid reservoir links to each other with liquid adding machine, and the air inlet and the high pressure of suction fluid reservoir are supplied gas the mechanism and are linked to each other, and the gas vent of suction fluid reservoir links to each other with low pressure exhaust mechanism, at first state, the disconnection of the leakage fluid dram of suction fluid reservoir and liquid adding machine, the mechanism's disconnection of supplying gas of the air inlet and the high pressure of suction fluid reservoir, the gas vent and the low pressure exhaust mechanism of suction fluid reservoir communicate with each other, and the inlet of suction fluid reservoir is linked together with the first leakage fluid dram of liquid storage pot, at the second state, the disconnection of the inlet of suction fluid reservoir and the first leakage fluid dram of liquid storage pot, gas vent and the disconnection of low pressure exhaust mechanism, the leakage fluid dram and the liquid adding machine of suction fluid reservoir of suction fluid reservoir communicate with each other, and the air inlet of suction fluid reservoir and high pressure are supplied gas and are communicated with each other between the mechanism. This power device can replace the immersed pump, and reduce cost reduces the maintenance cost.
Description
Technical field
The utility model relates to a kind of LNG (LiquefiedNaturalGas, LNG Liquefied natural gas) aerating technology, is related specifically to a kind of gas station and power plant thereof.
Background technique
Current, rock gas has been widely used in the many aspects of society, life.Wherein, utilize rock gas as fuel, drive the running of other equipment to become an importance of gas utilization.Conveniently transport and load, by forming LNG Liquefied natural gas (LiquefiedNaturalGas, LNG) to natural gas liquefaction, one of important way becoming gas utilization.
In order to expand the using scope of LNG, currently usually take the mode that LNG gas station is set at preposition, preposition for long-distance transport heavily block, bus or other treat the aerating of aerating equipment.
LNG gas station is generally main comprises liquid container, fluid filling pump sledge, liquid filler (also claiming liquid filler, filling machine), BOG (flash steam) recovering device and control gear with immersed pump.Wherein, liquid filler is used for treating the aerating of aerating equipment directly to automobile or other, general BOG recovering device comprises knock out drum, compressor or the pressure regulating metering device etc. that store BOG, compressor is directly compressed into the BOG reclaimed the CNG (CompressedNaturalGas) of applicable natural gas vehicle, and treats aerating equipment filling CNG by filling machine directly to automobile or other;
The LNG of prearranging quatity is stored in liquid container, and the pressure of LNG in liquid container is lower, and the LNG pressure that liquid filler needs is higher, therefore, the LNG in liquid container can provide by fluid filling pump sledge and predetermined pipeline the LNG with predetermined pressure meeting liquid filler standard to liquid filler; Fluid filling pump sledge is also used for unloading for LNG transport vehicle and being filled into LNG storage tank; Control gear for controlling the break-make of predetermined pipeline, to realize the control of whole liquid feeding process.
In whole LNG gas station, fluid filling pump sledge is the core component of whole gas station, is used for as liquid feeding system provides power.Wherein the core component of fluid filling pump sled is immersed pump, in order to improve the liquid feeding ability of gas station, can also arrange multiple immersed pump, coming for one or more liquid filler is with predetermined pressure and flow feed flow.
At present, have the LNG gas station of three kinds of specifications on the market: first order station, secondary station and three grades of stations, generally, a single pump sledge two liquid fillers are equipped with at three grades of stations, and secondary station is equipped with a double pump sledge four liquid fillers, and an immersed pump is two liquid filler feed flows.
Immersed pump is the centrifugal immersed pump that a kind of specialized designs (-162 DEG C) under ultra low temperature state works, working state requires harsh, rotating speed is high, lift is low, by LNG liquid lubrication, in use very easily damage, belong to easily damaged parts, and relative cost is very high, when double pump sledge, immersed pump accounts for more than 50% of whole fluid filling pump sledge manufacture cost.Current domestic immersed pump market is monopolized primarily of two international vendors, the like product of domestic production in a short time also possibility do not break this monopolization situation.
In addition, LNG is a kind of material very easily gasified, and is in use difficult to the generation avoiding BOG, and when not having corresponding BOG recovery plant, rock gas has to discharge into the atmosphere, and both pollutes air, causes again very large economic loss.From LNG gas station use aspect, it is the CNG becoming to be applicable to gas-fueled vehicles use by compressor compresses that BOG reclaims most convenient with most economical way, is refueling by CNG filling machine.
In addition, technically, LNG immersed pump role and limited in whole refueling system.See to the full extent, immersed pump also only increases LNG the pressure of 7-10 kilogram on pressure of foundation, but the BOG of the affiliated facility produced because of it and generation loss is this kind of maximum disadvantage of design, is also the technical barrier of related domain.
Model utility content
The purpose of this utility model is to provide a kind of gas station and power plant thereof and controlling method, and can solve LNG gas station in prior art and adopt immersed pump as feed flow power equipment, existing manufacture cost is high, use and maintenance cost high-technology problem.
Technological scheme provided by the utility model is as follows:
A kind of power plant, for being delivered to liquid filler by the LNG Liquefied natural gas in gas station liquid container; Described power plant comprise:
Suction flow container, the tank body of described suction flow container is provided with suction port, relief opening, liquid entering hole and liquid port, and the liquid entering hole of described suction flow container is connected with the first liquid port of liquid container, and the liquid port of described suction flow container is connected with liquid filler; And,
Pneumatic adjusting mechanism, described Pneumatic adjusting mechanism comprises high pressure and to supply gas mechanism and low pressure exhaust mechanism, and described high pressure mechanism of supplying gas is connected with the suction port of described suction flow container, and described low pressure exhaust mechanism is connected with the relief opening of described suction flow container;
Wherein, described suction flow container has the first state and the second state that mutually switch,
In described first state, the liquid entering hole of described suction flow container communicates with the first liquid port of liquid container, the relief opening of described suction flow container communicates with described low pressure exhaust mechanism, liquid port and the liquid filler of described suction flow container disconnect, the suction port of described suction flow container and described high pressure mechanism of supplying gas disconnects, to make described liquid sucking-discharging pressure tank reach the first predetermined pressure, and from liquid container imbibition;
In described second state, the liquid entering hole of described suction flow container and the first liquid port of liquid container disconnect, the relief opening of described suction flow container and the separated of described low pressure exhaust mechanism, the liquid port of described suction flow container communicates with between liquid filler, the suction port of described suction flow container is supplied gas between mechanism with described high pressure and is communicated, to make the pressure of described suction flow container reach the second predetermined pressure, and to liquid filler discharge opeing.
Further, described suction flow container has two at least, and when wherein at least one suction flow container is in described first state, at least another suction flow container is in described second state, to make at least two suction flow containers can continuously to liquid filler feed flow.
Further, described Pneumatic adjusting mechanism comprises:
One low pressure tank group, comprises at least one low pressure tank, and described low pressure tank is provided with air inlet pipeline;
One compressor, described low pressure tank is connected with the inlet opening of described compressor; And,
One pressure pan group, comprises at least one pressure pan, and described pressure pan is connected with the delivery outlet of described compressor;
Wherein, described pressure pan group is provided with gas exhaust piping, described gas exhaust piping is connected by the suction port of pressure regulator valve with described suction flow container, and forms described high pressure and to supply gas mechanism.
Further, the air inlet pipeline of described low pressure tank group can be connected with the second liquid port of liquid container, the fortune tank be arranged on gas transportation vehicle, the relief opening of liquid container and the one or more of flash steam floss hole of gas station by pressure regulator valve and booster gasification apparatus.
Further, the air inlet pipeline of described low pressure tank group and the gas exhaust piping of described pressure pan group are also provided with one-way valve.
Further, the air inlet pipeline of described low pressure tank group is connected with the relief opening of described suction flow container, and forms described low pressure exhaust mechanism.
Further, described suction flow container is also provided with liquid level detector, pressure detector and Temperature Detector.
A kind of gas station, comprising:
For storing the liquid container of LNG Liquefied natural gas;
For to treat aerating equipment filling LNG Liquefied natural gas liquid filler;
And for the LNG Liquefied natural gas in liquid container being delivered to the power plant of described liquid filler, described power plant adopt power plant as above.
Further, described gas station also comprises:
One control gear, for according to predetermined strategy, controls described suction flow container and mutually switches between described first state and described second state.
Further, described control gear can also according to predetermined strategy, control at least one suction flow container when being in described first state, control at least another suction flow container and be in described second state, to make at least two suction flow containers can continuously to liquid filler feed flow.
Further, described control gear comprises:
Receiving element, the data that liquid level detector, pressure detector and Temperature Detector for obtaining on described suction flow container gather, and generate testing result;
First processing unit, for receiving the testing result of described receiving module, and when described testing result be described suction flow container current level value lower than first preset level value and/or described suction flow container current pressure values reach the first predetermined pressure time, generate the first control signal;
First performance element, for when receiving the first control signal that described first processing unit sends, first liquid port of the liquid entering hole and liquid container that control described suction flow container communicates, the relief opening of described suction flow container communicates with described low pressure exhaust mechanism, the described liquid port of suction flow container and the separated of liquid filler, the suction port of described suction flow container and described high pressure are supplied gas between mechanism and are disconnected, to make described suction flow container from liquid container imbibition;
Second processing unit, for receiving the testing result of described receiving module, and when described testing result be described suction flow container current level value higher than second preset level value and/or described suction flow container current pressure values reach the second predetermined pressure time, generate the second control signal;
Second performance element, for when receiving the second control signal that described second processing unit sends, first liquid port of the liquid entering hole and liquid container that control described suction flow container disconnects, the relief opening of described suction flow container and the separated of described low pressure exhaust mechanism, the liquid port of described suction flow container communicates with between liquid filler, the suction port of described suction flow container is supplied gas between mechanism with described high pressure and is communicated, to make the backward liquid filler discharge opeing of LNG Liquefied natural gas supercharging in described suction flow container.
The beneficial effects of the utility model are as follows:
Power plant provided by the utility model, immersed pump can be replaced, and be LNG fluid pressurization and the hydraulic force of maintenance setting, so that the LNG in liquid container is delivered in liquid filler, namely, it can when not having immersed pump, while gas station provides identical LNG gas supply capacity, reduces overall cost of building a station, reduces the maintenance cost in using.
Accompanying drawing explanation
Fig. 1 represents the structural representation of the LNG gas station provided in the utility model embodiment.
Embodiment
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
Entirety is caused to build a station high in cost of production technical problem for adopting immersed pump in LNG gas station in prior art, the utility model provides a kind of power plant, immersed pump can be replaced, by the LNG Liquefied natural gas in the liquid container of gas station when not affecting liquid container internal pressure, for refueling system be forced into predetermined pressure after be delivered to liquid filler, and under the normal inflating function of guarantee, reduce manufacture cost.
Before being described in detail to power plant provided by the utility model, be necessary necessary explanation is carried out for the fueling process of LNG gas station in prior art.
In prior art, LNG gas station generally by LNG Liquefied natural gas with LNG Liquefied natural gas (LNG), compressed natural gas (CNG) two kinds of forms are supplied to automobile or other treat aerator.The pressure and temperature of the LNG stored in liquid container is lower, after needing by fluid filling pump sledge (immersed pump) and predetermined pipeline predetermined pressure to be forced into LNG, feed flow is to liquid filler, and by high plunger pump, high pressure gasifier, air cylinder group and filling machine, with the form of CNG for natural gas vehicle refueling.
Power plant provided by the utility model, its first object, can replace immersed pump of the prior art exactly, is forced into by the LNG in liquid container and meets liquid filler required pressure, with predetermined amount of flow to liquid filler liquid feeding.
Power plant provided by the utility model, its second object is exactly can Appropriate application BOG recovering device, is carried out by BOG reasonably using and reclaiming timely.
Just power plant provided by the utility model are described in detail below.
As shown in Figure 1, power plant provided by the utility model mainly comprise suction flow container 100 and Pneumatic adjusting mechanism, the tank body of wherein said suction flow container 100 is provided with suction port, relief opening, liquid entering hole and liquid port, be connected by the first control valve group 201 between the liquid entering hole of described suction flow container 100 and the first liquid port of liquid container 10, the liquid port of described suction flow container 100 is connected by the second control valve group 202 with between liquid filler 20; Described Pneumatic adjusting mechanism comprises for mechanism and the low pressure exhaust mechanism for being discharged by gas in suction flow container 100 of supplying gas to the high pressure of conveying high-pressure gas in suction flow container 100, and, the supply gas air pressure of mechanism of high pressure is greater than suction flow container 100 internal pressure, and the air pressure of low pressure exhaust mechanism is less than suction flow container 100 internal air pressure, described high pressure is supplied gas between mechanism and the suction port of described suction flow container 100 and is connected by the 3rd control valve group 203, is connected between described low pressure exhaust mechanism and the relief opening of described suction flow container 100 by the 4th control valve group 204;
Described suction flow container 100 has the first state and the second state that mutually switch,
In described first state, disconnected by described second control valve group 202 between the liquid port of described suction flow container 100 and liquid filler 20, the suction port of described suction flow container 100 and described high pressure are supplied gas between mechanism and are disconnected by described 3rd control valve group 203, the relief opening of described suction flow container 100 is communicated by the 4th control valve group 204 with between described low pressure exhaust mechanism, the first predetermined pressure is reached to make the gas in described suction flow container 100, then the liquid entering hole of described suction flow container 100 is made to be communicated with by the first control valve group 201 with the first liquid port of liquid container 10, imbibition in liquid container 10,
In described second state, the liquid entering hole of described suction flow container 100 and the first liquid port of liquid container 10 are disconnected by the first control valve group 201, disconnected by the 4th control valve group 204 between the relief opening of described suction flow container 100 and described low pressure exhaust mechanism, the liquid port of described suction flow container 100 is communicated by described second control valve group 202 with between liquid filler 20, suction port and the described high pressure of described suction flow container 100 are supplied gas between mechanism and are communicated by described 3rd control valve group 203, the second predetermined pressure is reached to make the pressure of described suction flow container 100, and to liquid filler 20 discharge opeing.
Based on technique scheme, power plant provided by the utility model can be connected between liquid container 10 and liquid filler 20, respectively by control each control valve group, the on off operating mode that suction flow container 100 and liquid container 10, liquid filler 20, high pressure are supplied gas between mechanism and low pressure exhaust mechanism is controlled, realize the switching of suction flow container 100 two states, wherein
The connection that cut-out suction flow container 100 and high pressure are supplied gas between mechanism and liquid filler 20, and when only suction flow container 100 being connected with low pressure exhaust mechanism and liquid container 10, because suction flow container 100 internal air pressure is greater than low pressure exhaust mechanism, and start to be rapidly to the exhaust of low pressure exhaust mechanism, thus, suction flow container 100 internal air pressure is made to reach the first predetermined pressure, described first predetermined pressure is lower than the pressure in liquid container, there is pressure reduction between suction flow container 100 and liquid container, thus suction flow container 100 starts imbibition in liquid container 10;
And the connection cut off between suction flow container 100 and low pressure exhaust mechanism and liquid container 10, and only suction flow container 100 and high pressure are supplied gas mechanism and liquid filler 20 are when connecting, because high pressure gas mechanism air pressure is higher than suction flow container 100 internal air pressure, and start to conveying high-pressure in suction flow container 100, and until make suction flow container 100 internal air pressure reach the second predetermined pressure, and to the LNG pressurization in suction flow container 100, make LNG in suction flow container 100 meet liquid filler 20 required pressure, and start to liquid filler 20 discharge opeing.
For the imbibition and draining flow etc. of suction flow container 100, control according to the actual requirements by arranging flow control valve etc. on each connecting pipeline.
As can be seen here, in the utility model, by controlling the on off operating mode that each control valve group is supplied gas between mechanism and low pressure exhaust mechanism to suction flow container 100 and liquid container 10, liquid filler 20, high pressure, imbibition and the discharge opeing action of suction flow container 100 can be completed, thus its first object can be realized, replace immersed pump by the LNG in liquid container 10 with predetermined pressure feed flow to liquid filler 20, and greatly reduce gas station and to build a station cost;
And, only need suction flow container 100 is set between liquid container 10 and liquid filler 20, high pressure supply gas mechanism, low pressure exhaust mechanism, the parts such as each control valve group and connecting tube, whole power plant can be formed, complex structure is adopted and compared with expensive immersed pump with prior art, while cost can be reduced greatly, structure is simple, not fragile, life-span extends greatly compared to immersed pump, reduces maintenance expenses.
It should be noted that, in power plant provided by the utility model, the on off operating mode that suction flow container 100 and liquid container 10, liquid filler 20, high pressure are supplied gas between mechanism and low pressure exhaust mechanism can be controlled by each control valve group, also can be controlled by miscellaneous part, not limit at this; Further, each control valve group can be manually-operated gate, manually controls, and realizes the switching of the two states of suction flow container 100; In addition, each control valve group preferably can adopt the electronic control valves such as pneumatic control valve, utilizes control gear to control according to the working state of predetermined strategy to each control valve group, and realizes the automatic switchover of the two states of suction flow container 100; Or each control valve group can also be the combination of manually operated valve and electronic control valve, both can carry out Non-follow control, can automatically control again.
Also it should be noted that, power plant provided by the utility model not only can be applicable in LNG gas station, other occasions will exported after liquid pressing to preset pressure can also be applied to, such as: these power plant can also replace high-pressure plunger pump in L-CNG system for high pressure gasifier provides the LNG with relevant pressure to inject.
In power plant provided by the utility model, preferably, as shown in Figure 1, described suction flow container 100 is provided with at least two, and when wherein at least one suction flow container 100 is in described first state, at least another suction flow container 100 is in described second state.
That is, in power plant, when suction flow container 100 at least arranges two, each suction flow container 100 alternately can perform suction, discharge opeing action, and when at least two suction flow containers 100, at least one performs imbibition action, another is in execution discharge opeing action.So, at least two suction flow containers 100 can be made alternately to liquid filler 20 feed flow, and whole power plant can be realized continuously to the object of liquid filler 20 feed flow.
It should be noted that, in actual applications, the quantity etc. for suction flow container 100 is not limited at this.The concrete quantity of suction flow container 100 can reasonably adjust according to the actual requirements, such as: the quantity of suction flow container 100 can also be more than one or two.
And, when the LNG pressure that liquid filler 20 needs is different, when suction flow container 100 can be set to two or more, by controlling different suction flow container 100, LNG can also be forced into different preset pressure, for the LNG that different liquid filler 20 provides pressure different, with practical requirement.
In addition, it should be noted that, in the utility model, the object arranging described Pneumatic adjusting mechanism is, for suction flow container 100 provides two working pressure conditions, to form the pressure differential that suction flow container 100 carries out needed for imbibition and discharge opeing, for the concrete structure of described Pneumatic adjusting mechanism, in actual applications, multiple implementation can be had, only need meet and provide high pressure and low pressure respectively in suction flow container 100, be to be understood that, the various structure that can realize to suction flow container 100 conveying high-pressure and low pressure all should within protection domain of the present utility model.
A kind of preferred structure of Pneumatic adjusting mechanism is provided below in preferred embodiment of the present utility model.
As shown in Figure 1, in the present embodiment, described Pneumatic adjusting mechanism mainly comprises low pressure tank group 300, compressor 400 and a pressure pan group 500, and wherein, described low pressure tank group 300 comprises at least one low pressure tank, and described low pressure tank is provided with air inlet pipeline; The relief opening of described low pressure tank is connected with the inlet opening of described compressor 400; Described pressure pan group 500 comprises at least one pressure pan, and described pressure pan is connected with the delivery outlet of described compressor 400;
Wherein, described pressure pan group 500 is provided with gas exhaust piping, described gas exhaust piping by being connected between pressure regulator valve 900 with the suction port of described suction flow container 100, and forming described high pressure and to supply gas mechanism; The air inlet pipeline of described low pressure tank group 300 is connected by the first pipeline with between the relief opening of described suction flow container 100, and forms described low pressure exhaust mechanism.
In such scheme, described Pneumatic adjusting mechanism mainly comprises low pressure tank group 300, compressor 400 and a pressure pan group 500, in low pressure tank group 300, gas can enter pressure pan group 500 after compressor 400 pressurizes, and pressure pan group 500 is connected with the suction port of suction flow container 100, and be embodied as the object of suction flow container 100 conveying high-pressure gas; In suction flow container 100, gas can be expelled to again low pressure tank group 300, and circulates.Should be understood that, in actual applications, what described high pressure supplied gas mechanism and low pressure exhaust mechanism can implementation not only be confined to this.
In addition, LNG is a kind of material very easily gasified, and is in use difficult to the generation avoiding BOG (flash steam), when there is no corresponding BOG recovery plant, rock gas has to discharge into the atmosphere, and both pollutes air, causes again very large economic loss.
Based on the technological scheme provided above, in order to realize second object of the utility model power plant, namely, utilize the BOG reclaiming system of this gas station, initiatively by the LNG in the liquid container 10 or LNG on gas transportation vehicle, be directly the tonifying Qi of low pressure tank group 500, thus ensure that low pressure tank group has enough rock gases to be pressure pan group 500 and CNG filling machine 30 air feed, the utility model can also adopt following further technological scheme:
Further, as shown in Figure 1, the air inlet pipeline of described low pressure tank group 300 can also be connected with the BOG floss hole 700 of the relief opening of the second liquid port of liquid container 10, described liquid container 10 and LNG gas station, the air inlet pipeline of low pressure tank group 300 also arranges booster gasification apparatus and pressure regulator valve 900, and described booster gasification apparatus comprises: for carrying out the supercharging vaporizer 310 of supercharging gasification vaporization to the liquified natural gas entered before described low pressure tank group 300; And, for making the heating device 320 of the gaseous natural gas intensification entered before described low pressure tank group 300.
Described compressor 400 can adopt multistage compressor, and its at least one delivery outlet is connected to CNG gas holder group 301, and described CNG gas holder group 301 is connected with filling machine 30.
Adopt such scheme, as shown in Figure 1, the LNG that second liquid port of liquid container 10 exports can after described booster gasification apparatus vaporization, form CNG, together with the BOG of the relief opening from liquid container 10, again after compressor 400 pressurizes, discharge from one of them delivery outlet of compressor, and be high pressure tank group 500 tonifying Qi, remaining gas can be set to from the delivery pressure of another delivery outlet of compressor 400 can pressure needed for CNG automobile or other equipment aeratings, and flow to CNG air cylinder group 301, CNG filling machine is directly connected with CNG air cylinder group 301, CNG filling machine is again with height, in, low pressure form gets gas from air cylinder group 301.
It should be noted that, in such scheme, because in liquid container 10, the temperature of LNG is extremely low, and exceed the tolerable temperature of each equipment and pipeline in each equipment in gas station and power plant, and, usual filling machine 30 is supplied to automobile or other treat that the CNG of aerating equipment needs to reach predetermined temperature, therefore, by arranging described heat riser 320 on the air inlet pipeline of described low pressure tank group 300 in such scheme, can heat up to the CNG of the air inlet pipeline of low pressure tank group 300, on the one hand, prevent the temperature of the CNG entering low pressure tank group 300 too low, cause and equipment components is damaged, on the other hand, achieve and the gas temperature in high pressure storage tank 500 is reduced, thus make the gas temperature entering suction flow container as far as possible low, be reduced in the amount of vaporization in suction flow container.
In addition, in power plant provided by the utility model, as shown in Figure 1, heat exchanger 600 is provided with between described first pipeline and the outlet pipe of described pressure pan group 500, this heat exchanger 600 can carry out heat exchange for connecting suction flow container 100 with between the first pipeline of low pressure tank group 300 with the outlet pipe of the pressure pan group 500 for being connected pressure pan group and suction flow container, to lower the temperature to the CNG carried in suction flow container 100 from pressure pan group 500, and the gas discharged from suction flow container 100 to low pressure tank group 300 is heated up simultaneously.
Such scheme, because the CNG temperature of carrying in suction flow container 100 from pressure pan group 500 is higher than the temperature of LNG in suction flow container 100, the CNG temperature in pressure pan group 500 can be reduced by heat exchanger 600, make it suitable with gas phase temperature in suction flow container 100, and reduce the harmful effect that temperature difference causes; Meanwhile, after the CNG discharged to low pressure tank group 300 by suction flow container 100 is heated up by heat exchanger 600, then enter low pressure tank group 300, reasonable recycling has been carried out to heat energy.
Based on the technological scheme provided above, achieve second object of the utility model power plant, that is, Appropriate application BOG reclaiming system, reasonably recycles BOG.
In addition, in the prior art, the liquid container 10 of usual LNG gas station utilizes fluid filling pump sled to unload by the fortune tank on gas transportation vehicle.On the basis of the technological scheme provided above, in order to realize the 3rd object of the utility model power plant, namely, without the need to adopting fluid filling pump, but realize unloading by described power plant, therefore, the utility model can also adopt following further technological scheme:
Further, as shown in Figure 1, in power plant provided by the utility model, described supercharging vaporizer 310 is also connected with for first pipeline section 401 and second pipeline section 402 tank connected with fortune.When the fortune tank of gas transportation vehicle is unloaded, first, by the water influent pipeline on liquid container 10, liquid container 10 can be communicated with fortune tank, make pressure balance between liquid container 10 and fortune tank; Then, be connected cutting off between liquid container 10 with fortune tank, and utilize described first pipeline section 401 and described second pipeline section 402 to be connected with the fortune tank be positioned on gas transportation vehicle by supercharging vaporizer 310, to make in fortune tank LNG Liquefied natural gas can after described supercharging vaporizer 310 pressurizes, be back to again in fortune tank, realize the supercharging of fortune tank; And the pipeline section 403 between fortune tank with liquid container 10 is communicated with, because fortune tank internal pressure is greater than liquid container 10 internal pressure, utilize pressure reduction between the two, can the process of unloading be completed.
Compared with prizing with adopting fluid filling pump in prior art to unload, the whole process of unloading can without the need to adopting fluid filling pump again, but directly utilize the supercharging vaporizer 310 in booster gasification apparatus to complete the process of unloading, and structure is simple, and cost reduces.
Wherein, the water influent pipeline of described first pipeline section 401 and described liquid container 10 is provided with one-way valve 800, to ensure that gas can not reflux.
It should be noted that, as shown in Figure 1, whole process of unloading, the coupled condition can carrying out pilot line by the control valve group be arranged on each connecting pipeline realizes.
In addition, also it should be noted that, LNG on gas transportation vehicle can be also liquid container 10 liquid feeding by the suction flow container 100 in whole power plant, particularly, can, by controlling the break-make of each control valve group, make when suction flow container 100 performs imbibition action, imbibition in the fortune tank gas transportation vehicle, when suction flow container 100 performs discharge opeing action, to liquid container 10 discharge opeing.
In addition, based on the power plant provided above, in order to realize the 4th object of the utility model power plant, that is, can by the LNG in fortune tank, especially, to complete after unloading remaining LNG in fortune tank and carry out Appropriate application.As shown in Figure 1, when needing to utilize the LNG in fortune tank to be directly supplied to power plant, the first pipeline section 401 that described supercharging vaporizer 310 connects can be connected with fortune tank, and the second pipeline section 402 is disconnected, LNG in fortune tank can after supercharging vaporizer 310 be vaporized, heat up through heat riser 320 again, and enter low pressure tank group 300, thus be fed directly to suction flow container 100 or filling machine 30.
In addition, in order to ensure the functional reliability of whole power plant, as shown in Figure 1, preferably, the air inlet pipeline of described low pressure tank group 300 and the outlet pipe of pressure pan group are also provided with one-way valve 800 and pressure regulator valve 900.Gas backstreaming in pipeline can be prevented by arranging one-way valve 800; Regulating 900 by arranging pressure, pressure regulable control can be carried out to the gas entered in low pressure tank group 300 and the gas that is delivered in suction flow container 100 by pressure pan group 500 respectively.
In addition, as shown in Figure 1, other connecting pipelines of power plant can also arrange one-way valve 800 and pressure regulator valve 900 according to actual conditions.
In addition, in power plant provided by the utility model, described suction flow container 100 is also provided with liquid level detector, pressure detector and Temperature Detector, for detecting temperature and tank internal air pressure in the current level value of suction flow container 100, tank, so that switch the two states of suction flow container 100.Particularly, when the current level value of suction flow container 100 reaches the first predetermined pressure lower than the first default level value and/or described suction flow container 100 current pressure values, by controlling each control valve group, suction flow container 100 can be switched to the first state; And when described testing result reaches the second predetermined pressure for being described suction flow container 100 current level value when described testing result higher than the second default level value and/or described suction flow container 100 current pressure values, by controlling each control valve group, suction flow container 100 can be switched to the second state.
Additionally provide a kind of gas station in embodiment of the present utility model, as shown in Figure 1, this gas station comprises:
For storing the liquid container 10 of LNG Liquefied natural gas;
For to treat aerating equipment filling LNG Liquefied natural gas liquid filler 20;
And, for the LNG Liquefied natural gas in liquid container 10 being delivered to the power plant of described liquid filler 20;
Wherein, described power plant adopt the power plant provided in the utility model embodiment.
A kind of preferred embodiment of the LNG gas station below providing the utility model to provide.
Figure is depicted as the equipment flowsheet schematic diagram of the LNG gas station provided in the utility model preferred embodiment.
As shown in Figure 1, in the present embodiment, LNG gas station comprises: liquid container 10; Power plant; Liquid filler 20, filling machine 30; Wherein, described power plant comprise: supercharging vaporizer 310, heat riser 320, low pressure tank group 300, compressor 400, pressure pan group 500, first suction flow container and the second suction flow container etc., wherein each suction flow container 100 is provided with liquid entering hole, liquid port, suction port and relief opening, described liquid container 10 is provided with the first liquid port, the second liquid port, liquid entering hole and relief opening, each connecting pipeline of whole gas station is provided with BOG floss hole 700;
The liquid entering hole of each suction flow container 100 is connected by the first control valve group 201 with between the first liquid port on described liquid container 10; The liquid port of each suction flow container 100 is connected by the second control valve group 202 with between filling device; Be connected by the 3rd control valve group 203 between the suction port of each suction flow container 100 and the gas exhaust piping of pressure pan group 500; Be connected by the 4th control valve group 204 between the relief opening of each suction flow container 100 and the air inlet pipeline of low pressure tank group 300;
Second liquid port of described liquid container 10 and for can pipeline be passed through with tank connected first pipeline section 401 of the fortune being positioned at gas transportation vehicle, after connecting described supercharging vaporizer 310 and described heat riser 320 successively, be connected with the suction port of described low pressure tank group 300;
The relief opening of described liquid container 10 and the BOG floss hole 700 of whole gas station are connected with the suction port of described low pressure tank group 300 after can connecting described heat riser 320 by pipeline;
The air outlet of described low pressure tank group 300 is communicated to the suction port of described compressor 400, described compressor 400 can adopt multistage compressor, the delivery outlet L of wherein said compressor is connected with described pressure pan group 500, and the delivery outlet H of compressor is connected with described CNG air cylinder group 301 and filling machine 30;
By the first pipeline connection between described suction flow container 100 and described low pressure tank group 300, between the first pipeline and the gas exhaust piping of pressure pan group 500, be provided with heat exchanger 600;
On the air inlet pipeline of low pressure tank group 300, between described heat riser 500 and described low pressure tank group 300, be provided with pressure regulator valve 900; On the air inlet pipeline of low pressure tank group 300, between described pressure pan group 500 and described suction flow container 100, be also provided with pressure regulator valve 900; The air inlet pipeline of low pressure tank group 300 is also provided with one-way valve 800;
The first pipeline section 401 and the second pipeline section 402, first pipeline section 401 is also connected with the second pipeline section 402 for being connected with the fortune tank on gas transportation vehicle at the two ends of described supercharging vaporizer 310;
The liquid entering hole of described liquid container 10 is also connected with one for connecting the water influent pipeline of the fortune tank on described liquid container 10 and gas transportation vehicle.
Obviously, the gas station that the utility model embodiment provides has the whole beneficial effects corresponding to power plant provided with the utility model.
In addition, in the gas station that the utility model preferred embodiment provides, described gas station can also comprise a control gear, can be controlled by this control gear to whole gas station.
Wherein, this control gear according to predetermined strategy, can control described suction flow container 100 and mutually switches between described first state and described second state.And, preferably, when being provided with at least two suction flow containers 100 in power plant, described control gear can according to predetermined strategy, control at least one suction flow container 100 when being in described first state, control at least another suction flow container 100 and be in described second state, to make at least two suction flow containers 100 can continuously to liquid filler 20 feed flow.
In gas station provided by the utility model, preferably, described control gear comprises:
Receiving element, the data that liquid level detector, pressure detector and Temperature Detector for obtaining on described suction flow container 100 gather, and generate testing result;
First processing unit, for receiving the testing result of described receiving module, and when to be described suction flow container 100 current level value preset level value lower than first to described testing result, generates the first control signal;
First performance element, for when receiving the first control signal that described first processing unit sends, the relief opening controlling described suction flow container 100 communicates with described low pressure exhaust mechanism, the liquid port of described suction flow container 100 and the separated of liquid filler 20, the suction port of described suction flow container 100 and described high pressure are supplied gas between mechanism and are disconnected, first liquid port of the liquid entering hole and liquid container 10 that then control described suction flow container 100 is connected, to make described suction flow container 100 from liquid container 10 imbibition;
Second processing unit, for receiving the testing result of described receiving module, and when described testing result be described suction flow container 100 current pressure values reach the second predetermined pressure time, generate the second control signal;
Second performance element, for when receiving the second control signal that described second processing unit sends, first liquid port of the liquid entering hole and liquid container 10 that control described suction flow container 100 disconnects, the relief opening of described suction flow container 100 and the separated of described low pressure exhaust mechanism, the liquid port of described suction flow container 100 communicates with between liquid filler 20, the suction port of described suction flow container 100 is supplied gas between mechanism with described high pressure and is communicated, to make backward liquid filler 20 discharge opeing of LNG Liquefied natural gas supercharging in described suction flow container 100.
Adopt such scheme, can by control gear according to the current level value of each suction flow container 100 and current pressure values, control the working state of each suction flow container 100 and each control valve group between liquid container 10, liquid filler 20, pressure pan group 500 and low pressure tank group 300, control the first state of each suction flow container 100 and the switching of the second state, and according to predetermined strategy, can control two suction flow containers 100 when being in the first state, another suction flow container 100 is in the second state.
It should be noted that, in such scheme, preferably, according to the current level value of suction flow container 100, control suction flow container 100 and switch to the first state, when the current level value of suction flow container 100 being detected lower than default level value, control suction flow container 100 and start imbibition, should be understood that, in other embodiments of the present utility model, also the switching of the first state of suction flow container 100 can be controlled according to other modes, such as: described first processing unit can also according to the current pressure values of suction flow container 100, when described suction flow container 100 current pressure values reaches the first predetermined pressure, control gear controls suction flow container 100 and switches to the first state.
Similarly, in such scheme, preferably, according to the current pressure of suction flow container 100, control suction flow container 100 and switch to the second state, when detecting that the current pressure of suction flow container 100 reaches the second preset pressure, control suction flow container 100 and start discharge opeing, should be understood that, in other embodiments of the present utility model, also the switching of the second state of suction flow container 100 can be controlled according to other modes, such as: described second processing unit can also be the current level value according to suction flow container 100, when described suction flow container 100 current level value presets level value higher than first, control gear controls suction flow container 100 and switches to the second state.
Also it should be noted that, in gas station provided by the utility model, each connecting pipeline can also arrange other control valve groups except above-mentioned first, second, third and fourth control valve group and pressure, the isoparametric detector of temperature for detecting each connecting pipeline, described control gear can also according to predetermined strategy, control the working state of other control valve groups in gas station, this is illustrated no longer one by one.
The working procedure of the gas station provided in the utility model preferred embodiment is below described.
One) to unload process:
First, by the water influent pipeline of liquid container 10, liquid container 10 can be communicated with fortune tank, make pressure between liquid container 10 and fortune tank reach balance;
Then, by cut off liquid container 10 between liquid container 10 and fortune tank water influent pipeline between connection, and utilize described first pipeline section 401 and described second pipeline section 402 to be connected with the fortune tank be positioned on gas transportation vehicle by supercharging vaporizer 310, in fortune tank, LNG Liquefied natural gas can after described supercharging vaporizer 310 pressurizes, be back to again in fortune tank, realize pressurizeing to fortune tank;
Finally, cut off between supercharging vaporizer 310 and fortune tank, be again communicated with between fortune tank with liquid container 10, because fortune tank internal pressure is greater than liquid container 10 internal pressure, utilize pressure reduction between the two, can the process of unloading be completed.
Two) aerating control procedure:
According to predetermined strategy, control the first suction flow container 100 and be in the first state, its relief opening is communicated with described low pressure exhaust mechanism, liquid port and liquid filler 20 disconnect, suction port and described high pressure mechanism of supplying gas disconnects, and makes the pressure of the first suction flow container 100 be less than the pressure of liquid container 10, then, the liquid entering hole of the first suction flow container is connected with the first liquid port of liquid container 10, from liquid container 10 imbibition; Simultaneously, control the second suction flow container 100 and be in the second state, its liquid entering hole is communicated with the first liquid port of liquid container 10, relief opening communicates with described low pressure exhaust mechanism, liquid port and liquid filler 20 disconnect, suction port and described high pressure mechanism of supplying gas disconnects, and makes the pressure of the pressure filling machine of the second suction flow container 100, and to liquid filler 20 discharge opeing; When the first suction flow container 100 completes imbibition, when the second suction flow container 100 completes discharge opeing, then control the first suction flow container 100 and start discharge opeing, meanwhile, control the second liquid sucking-discharging pipe and start imbibition, so repeatedly.
Wherein in aerating control procedure, can according to actual conditions, to control in fortune tank on the liquid port of liquid container 10, the relief opening of liquid container 10, gas transportation vehicle and BOG floss hole 700 one or more connects with low pressure tank group 300.
The controlling method of the gas station provided in the utility model embodiment is below described, comprises: control the step of liquid container 10 to filling device transportation of liquefied natural gas, that is, aerating rate-determining steps, specifically comprises:
Step S1: according to predetermined strategy, the relief opening controlling described suction flow container 100 communicates with described low pressure exhaust mechanism, liquid port and the liquid filler 20 of described suction flow container 100 disconnect, the suction port of described suction flow container 100 and described high pressure mechanism of supplying gas disconnects, with the pressure making the pressure of described suction flow container 100 be less than liquid container 10, then the liquid entering hole of suction flow container 100 is connected with the first liquid port of liquid container 10, and from liquid container 10 imbibition;
Step S2: after completing steps S1, according to predetermined strategy, first liquid port of the liquid entering hole and liquid container 10 that control suction flow container 100 disconnects, relief opening and the described low pressure exhaust mechanism of described suction flow container 100 disconnect, the liquid port of described suction flow container 100 communicates with liquid filler 20, suction port and the described high pressure of described suction flow container 100 mechanism of supplying gas communicates, with the pressure making the pressure of described suction flow container 100 be greater than filling device, and to liquid filler 20 discharge opeing, and after discharge opeing completes, be back to step S1.
Wherein, when being provided with at least two suction flow containers 100 in the power plant of gas station, control when wherein at least one suction flow container 100 performs step S1, control at least another suction flow container 100 and perform step S2.So, at least two suction flow containers 100 can be made continuously to filling device feed flow.
Wherein, by detecting the liquid level, pressure and temperature etc. of each suction flow container 100, the first state of suction flow container 100 and the switching of the second state can be controlled according to testing result.Particularly, step S1 comprises:
The data that liquid level detector, pressure detector and Temperature Detector on described suction flow container 100 on step S11, acquisition suction flow container 100 gather;
Step S12, when described testing result be described suction flow container 100 current level value lower than first preset level value and/or described suction flow container 100 current pressure values reach the first predetermined pressure time, first liquid port of the liquid entering hole and liquid container 10 that control described suction flow container 100 communicates, the relief opening of described suction flow container 100 communicates with described low pressure exhaust mechanism, the liquid port of described suction flow container 100 and the separated of liquid filler 20, the suction port of described suction flow container 100 and described high pressure are supplied gas between mechanism and are disconnected, to make described suction flow container 100 from liquid container 10 imbibition.
Step S2 specifically comprises:
The data that liquid level detector, pressure detector and Temperature Detector on described suction flow container 100 on step S21, acquisition suction flow container 100 gather;
Step S22, when described testing result be described suction flow container 100 current level value higher than second preset level value and/or described suction flow container 100 current pressure values reach the second predetermined pressure time, first liquid port of the liquid entering hole and liquid container 10 that control described suction flow container 100 disconnects, relief opening and the described low pressure exhaust mechanism of described suction flow container 100 disconnect, the liquid port of described suction flow container 100 communicates with liquid filler 20, suction port and the described high pressure of described suction flow container 100 mechanism of supplying gas communicates, to make backward liquid filler 20 discharge opeing of LNG Liquefied natural gas supercharging in described suction flow container 100.
In addition, the controlling method of the LNG gas station provided in the utility model embodiment also comprises: control the step of fortune tank to transportation of liquefied natural gas in liquid container 10, that is, step of unloading.
Step of unloading specifically comprises:
Step S30, fortune tank to be communicated with liquid container 10, to make fortune tank and liquid container 10 internal pressure reach balance;
Step S31, control the first pipeline section 401 and the second pipeline section 402 communicates with fortune tank, by LNG Liquefied natural gas in fortune tank after supercharging vaporizer 310 pressurizes, then be back in fortune tank;
Step S32, after completing steps S31, the first pipeline section 401 and the second pipeline section 402 are disconnected with fortune tank, the second liquid port of described liquid container 10 is communicated with fortune tank, the LNG Liquefied natural gas in fortune tank is delivered in liquid container 10.
The above is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (11)
1. power plant, for being delivered to liquid filler by the LNG Liquefied natural gas in gas station liquid container; It is characterized in that, described power plant comprise:
Suction flow container, the tank body of described suction flow container is provided with suction port, relief opening, liquid entering hole and liquid port, and the liquid entering hole of described suction flow container is connected with the first liquid port of liquid container, and the liquid port of described suction flow container is connected with liquid filler; And,
Pneumatic adjusting mechanism, described Pneumatic adjusting mechanism comprises high pressure and to supply gas mechanism and low pressure exhaust mechanism, and described high pressure mechanism of supplying gas is connected with the suction port of described suction flow container, and described low pressure exhaust mechanism is connected with the relief opening of described suction flow container;
Wherein, described suction flow container has the first state and the second state that mutually switch,
In described first state, the liquid entering hole of described suction flow container communicates with the first liquid port of liquid container, the relief opening of described suction flow container communicates with described low pressure exhaust mechanism, liquid port and the liquid filler of described suction flow container disconnect, the suction port of described suction flow container and described high pressure mechanism of supplying gas disconnects, to make described liquid sucking-discharging pressure tank reach the first predetermined pressure, and from liquid container imbibition;
In described second state, the liquid entering hole of described suction flow container and the first liquid port of liquid container disconnect, the relief opening of described suction flow container and the separated of described low pressure exhaust mechanism, the liquid port of described suction flow container communicates with between liquid filler, the suction port of described suction flow container is supplied gas between mechanism with described high pressure and is communicated, to make the pressure of described suction flow container reach the second predetermined pressure, and to liquid filler discharge opeing.
2. power plant according to claim 1, is characterized in that,
Described suction flow container has two at least, and when wherein at least one suction flow container is in described first state, at least another suction flow container is in described second state, to make at least two suction flow containers can continuously to liquid filler feed flow.
3. power plant according to claim 1, is characterized in that,
Described Pneumatic adjusting mechanism comprises:
One low pressure tank group, comprises at least one low pressure tank, and described low pressure tank is provided with air inlet pipeline;
One compressor, described low pressure tank is connected with the inlet opening of described compressor; And,
One pressure pan group, comprises at least one pressure pan, and described pressure pan is connected with the delivery outlet of described compressor;
Wherein, described pressure pan group is provided with gas exhaust piping, described gas exhaust piping is connected by the suction port of pressure regulator valve with described suction flow container, and forms described high pressure and to supply gas mechanism.
4. power plant according to claim 3, is characterized in that,
The air inlet pipeline of described low pressure tank group can be connected with the second liquid port of liquid container, the fortune tank be arranged on gas transportation vehicle, the relief opening of liquid container and the one or more of flash steam floss hole of gas station by pressure regulator valve and booster gasification apparatus.
5. power plant according to claim 3, is characterized in that,
The air inlet pipeline of described low pressure tank group and the gas exhaust piping of described pressure pan group are also provided with one-way valve.
6. power plant according to claim 3, is characterized in that,
The air inlet pipeline of described low pressure tank group is connected with the relief opening of described suction flow container, and forms described low pressure exhaust mechanism.
7. power plant according to claim 1, is characterized in that,
Described suction flow container is also provided with liquid level detector, pressure detector and Temperature Detector.
8. a gas station, comprising:
For storing the liquid container of LNG Liquefied natural gas;
For to treat aerating equipment filling LNG Liquefied natural gas liquid filler;
And for the LNG Liquefied natural gas in liquid container being delivered to the power plant of described liquid filler, it is characterized in that, described power plant adopt the power plant as described in any one of claim 1 to 7.
9. gas station according to claim 8, is characterized in that,
Described gas station also comprises:
One control gear, for according to predetermined strategy, controls described suction flow container and mutually switches between described first state and described second state.
10. gas station according to claim 9, is characterized in that,
Described control gear can also according to predetermined strategy, controls at least one suction flow container when being in described first state, controls at least another suction flow container and be in described second state, to make at least two suction flow containers can continuously to liquid filler feed flow.
11. gas stations according to claim 9, is characterized in that,
Described control gear comprises:
Receiving element, the data that liquid level detector, pressure detector and Temperature Detector for obtaining on described suction flow container gather, and generate testing result;
First processing unit, for receiving the testing result of described receiving module, and when described testing result be described suction flow container current level value lower than first preset level value and/or described suction flow container current pressure values reach the first predetermined pressure time, generate the first control signal;
First performance element, for when receiving the first control signal that described first processing unit sends, first liquid port of the liquid entering hole and liquid container that control described suction flow container communicates, the relief opening of described suction flow container communicates with described low pressure exhaust mechanism, the described liquid port of suction flow container and the separated of liquid filler, the suction port of described suction flow container and described high pressure are supplied gas between mechanism and are disconnected, to make described suction flow container from liquid container imbibition;
Second processing unit, for receiving the testing result of described receiving module, and when described testing result be described suction flow container current level value higher than second preset level value and/or described suction flow container current pressure values reach the second predetermined pressure time, generate the second control signal;
Second performance element, for when receiving the second control signal that described second processing unit sends, first liquid port of the liquid entering hole and liquid container that control described suction flow container disconnects, the relief opening of described suction flow container and the separated of described low pressure exhaust mechanism, the liquid port of described suction flow container communicates with between liquid filler, the suction port of described suction flow container is supplied gas between mechanism with described high pressure and is communicated, to make the backward liquid filler discharge opeing of LNG Liquefied natural gas supercharging in described suction flow container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520666929.8U CN204922494U (en) | 2015-08-31 | 2015-08-31 | Gas station and power device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520666929.8U CN204922494U (en) | 2015-08-31 | 2015-08-31 | Gas station and power device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204922494U true CN204922494U (en) | 2015-12-30 |
Family
ID=54971620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520666929.8U Withdrawn - After Issue CN204922494U (en) | 2015-08-31 | 2015-08-31 | Gas station and power device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204922494U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106352235A (en) * | 2016-10-17 | 2017-01-25 | 泰恩博能燃气设备（天津）股份有限公司 | Liquid suction and drainage power device and gas filling station |
| CN106481972A (en) * | 2015-08-31 | 2017-03-08 | 泰恩博能燃气设备（天津）股份有限公司 | Gas station and its power set and control method |
-
2015
- 2015-08-31 CN CN201520666929.8U patent/CN204922494U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481972A (en) * | 2015-08-31 | 2017-03-08 | 泰恩博能燃气设备（天津）股份有限公司 | Gas station and its power set and control method |
| CN106481972B (en) * | 2015-08-31 | 2019-02-15 | 泰恩博能燃气设备（天津）股份有限公司 | Gas station and its power device and control method |
| CN106352235A (en) * | 2016-10-17 | 2017-01-25 | 泰恩博能燃气设备（天津）股份有限公司 | Liquid suction and drainage power device and gas filling station |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203082530U (en) | L-CNG (liquefied-compressed natural gas) station | |
| CN203731079U (en) | LNG (Liquefied Natural Gas) filling system for inland lake ship | |
| CN201964142U (en) | LNG (liquefied natural gas) pump-free aeration equipment with function of BOG (boil off gas) recovery | |
| CN101520128B (en) | Movable type method and device for supplying liquid phase natural gas and gas phase natural gas | |
| CN201206726Y (en) | LCNG mobile charging stations system | |
| EP0717699A1 (en) | System and method for compressing natural gas | |
| CN105135208A (en) | Compression recycling method for evaporation gas of liquefied natural gas | |
| CN111765369A (en) | LNG filling online saturation adjusting mechanism and control method | |
| CN105318190A (en) | Boil off gas (BOG) liquefaction recovery system and method | |
| CN204922494U (en) | Gas station and power device thereof | |
| CN102230569A (en) | Liquefied natural gas storage system, gas filling device and gas supply device for engine | |
| CN100451438C (en) | Automatic gasifying and gas adding device for energy saving type gasifying natural gas | |
| CN106481972B (en) | Gas station and its power device and control method | |
| CN217540363U (en) | Hydrogenation system | |
| CN102425725B (en) | System and method for reclaiming boil off gas (BOG) in liquefied natural gas (LNG) storage tank | |
| CN105020574A (en) | L-CNG gas station | |
| CN108953988B (en) | Liquid hydrogen vaporization and self-pressurization device | |
| CN201034242Y (en) | Energy-saving liquefied natural gas automatically gasifying and aerating means | |
| CN210601032U (en) | Novel liquefied natural gas unloading system capable of being started quickly | |
| CN102095071B (en) | Method and device for supplying multifunctional mobile liquid-phase natural gas and gas-phase natural gas | |
| CN204629077U (en) | CNG air entraining substation trailer pipe-line system and CNG air entraining substation system | |
| CN214093988U (en) | LNG transfers saturated filling device | |
| CN205746013U (en) | A kind of LNG loading system | |
| CN206831142U (en) | The line refueling system of hydraulic natural gas automobile secondary gas filling station double pump three | |
| CN110762386B (en) | LNG quick unloading system and method for recycling BOG gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 300467 Ecological City Park Road, Tianjin Ecological Industrial Park, No. 02, the standard factory building, No. 3667 Patentee after: Tyne Boneng gas equipment (Tianjin) Limited by Share Ltd Address before: 300467 green industrial park, new eco city, Binhai New Area, Tianjin Patentee before: Tyne Boneng gas equipment (Tianjin) Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20151230 Effective date of abandoning: 20190215 |
|
| AV01 | Patent right actively abandoned |