CN205424406U - LNG gas station - Google Patents

Abstract

The utility model discloses a LNG gas station, include that 1# immersed pump, 1#LNG low temperature storage tank, LNG low temperature tank wagon, LNG add mechanism of qi, feed liquor house steward pipe network, air supply header pipe network, its characterized in that, 1#LNG low temperature storage tank with the 1# immersed pump is established ties, has 2#LNG low temperature storage tank and 2# immersed pump and a 3#LNG low temperature storage tank and 3# immersed pump with 1#LNG low temperature storage tank, 1# immersed pump are parallelly connected, the one end of the parallelly connected LNG low temperature storage tank of three groups and immersed pump with feed liquor house steward pipe network is connected, the other end with the air supply header pipe network is connected, LNG low temperature tank wagon with LNG adds and to be equipped with 4#LNG low temperature storage tank between the mechanism of qi, is equipped with the 4# immersed pump between LNG low temperature tank wagon and 4#LNG low temperature storage tank, and LNG low temperature tank wagon is connected with the 4# immersed pump through the feed liquor house steward that unloads, at 4#LNG low temperature storage tank and LNG with being equipped with the 5# immersed pump between the mechanism of qi. The utility model discloses a transform, use LNG low temperature storage tank and the common air feed of LNG low temperature tank wagon, make more safe and reliable of air feed.

Description

A kind of LNG gas station

Technical field

This utility model relates to liquefied natural gas LNG gas station technological process field, is specifically related to a kind of LNG gas station.

Background technology

In recent years, China's LNG industry achieves fast development, and LNG is outside satisfied tradition domestic gas, industrial gas, fuel gas generation demand, it has also become the clean energy resource of diesel oil substitute, along with PM2.5 environment is administered assigning of requirement by country, the construction of LNG gas station becomes focus the most therewith.Existing LNG gas station is the special charging system filling LNG for LNG automobile, and LNG station system includes that LNG storage tank, LNG pump, LNG fill adapter (rifle), LNG feed-line, LNG measure.

nullChina's application publication number is CN204785533U，Application publication date is 2015-11-18，The utility model of entitled " a kind of LNG gas station with BOG recovery system "，LNG low-temperature storage tank including LNG liquefied gas、Storage tank supercharger、LNG immersed pump、Carburator、LNG filling machine、Heater、Pressure regulator valve、Turbine flowmeter and check-valves，LNG low-temperature storage tank is connected with storage tank supercharger，LNG low-temperature storage tank is connected with LNG filling machine by LNG immersed pump，LNG low-temperature storage tank is connected with gas ductwork by carburator，LNG low-temperature storage tank is connected with pressure pipeline，The branch road in pressure pipeline downstream is provided with heater，Pressure pipeline downstream is provided with filter，Filter downstream is sequentially installed with pressure regulator valve、Turbine flowmeter and check-valves，Check-valves input connects gas ductwork，Its utility model achieves the recycling of BOG，Reduce due to low temperature effect upstream device and the selection of pipe material，Reduce cost，But fail to realize the multiple utilization of supply.Therefore, for above not enough, the utility model proposes a kind of LNG gas station.

Utility model content

The utility model discloses a kind of LNG gas station, it is intended to by workflow reengineering, reduce the tolerance being discharged into air supply header pipe network, use LNG low-temperature storage tank parallel way simultaneously, make supply safety and reliability.

nullA kind of LNG gas station，Including 1# immersed pump、1#LNG low-temperature storage tank、LNG low-temperature tanker、LNG filling machine、Feed liquor house steward's pipe network、Air supply header pipe network，It is characterized in that，Described 1#LNG low-temperature storage tank is connected with described 1# immersed pump，With 1#LNG low-temperature storage tank、What 1# immersed pump was in parallel has 2#LNG low-temperature storage tank and 2# immersed pump and 3#LNG low-temperature storage tank and 3# immersed pump，Three groups of LNG low-temperature storage tanks in parallel are connected with one end of immersed pump and described feed liquor house steward's pipe network，The other end is connected with described air supply header pipe network，It is provided with 4#LNG low-temperature storage tank between described LNG low-temperature tanker and described LNG filling machine，4# immersed pump it is provided with between LNG low-temperature tanker and 4#LNG low-temperature storage tank，LNG low-temperature tanker is connected with 4# immersed pump by the feed liquor house steward that unloads，5# immersed pump it is provided with between 4#LNG low-temperature storage tank and LNG filling machine.

The utility model has the advantage of: by workflow reengineering, reduce the tolerance being discharged into pipe network, use LNG low-temperature storage tank parallel way simultaneously, supply more safe and reliable.

Accompanying drawing explanation

In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.

Fig. 1 is this utility model schematic diagram；

In accompanying drawing, 1 is 1#LNG low-temperature storage tank, and 2 is 2#LNG low-temperature storage tank, 3 is 3#LNG low-temperature storage tank, and 4 is 4#LNG low-temperature storage tank, and 5 is 1# immersed pump, 6 is 2# immersed pump, and 7 is 3# immersed pump, and 8 is 4# immersed pump, 9 is LNG low-temperature tanker, and 10 is 5# immersed pump, and 11 is LNG filling machine, 12 is No. 1 valve, and 13 is No. 2 valves, and 14 is feed liquor house steward's pipe network, 15 is air supply header pipe network, and 16 is the feed liquor house steward that unloads, and 17 is No. 3 valves.

Detailed description of the invention

The utility model discloses a kind of LNG gas station, it is intended to by workflow reengineering, reduce the tolerance being discharged into air supply header pipe network, use LNG low-temperature storage tank parallel way simultaneously, make supply safety and reliability.

Below in conjunction with the accompanying drawing in this utility model, the technical scheme in this utility model is clearly and completely described, it is clear that described is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained on the premise of not making creative work, broadly fall into the scope of this utility model protection.

nullAs shown in Figure 1，A kind of LNG gas station，Including 1# immersed pump 5、1#LNG low-temperature storage tank 1、LNG low-temperature tanker 9、LNG filling machine 11、Feed liquor house steward's pipe network 14、Air supply header pipe network 15，Described 1#LNG low-temperature storage tank 1 is connected with described 1# immersed pump 5，With 1#LNG low-temperature storage tank 1、1# immersed pump 5 parallel connection have 2#LNG low-temperature storage tank 2 and 2# immersed pump 6 and 3#LNG low-temperature storage tank 3 and 3# immersed pump 7，Three groups of LNG low-temperature storage tanks in parallel are connected with one end of immersed pump and described feed liquor house steward's pipe network 14，The other end is connected with described air supply header pipe network 15，It is provided with 4#LNG low-temperature storage tank 4 between described LNG low-temperature tanker 9 and described LNG filling machine 11，It is provided with 4# immersed pump 8 between LNG low-temperature tanker 9 and 4#LNG low-temperature storage tank 4，LNG low-temperature tanker 9 is connected with 4# immersed pump 8 by the feed liquor house steward 16 that unloads，It is provided with 5# immersed pump 10 between 4#LNG low-temperature storage tank 4 and LNG filling machine 11.

Additionally, LNG filling machine 11 is connected with air supply header pipe network 15 and is provided with valve, LNG filling machine 11 is connected with the feed liquor house steward 16 that unloads and is provided with valve.

Operation principle of the present utility model:

Feed liquor house steward's pipe network 14 enters 1#LNG low-temperature storage tank 1,2#LNG low-temperature storage tank 2,3#LNG low-temperature storage tank 3 by 1# immersed pump 5,2# immersed pump 6,3# immersed pump 7, the gas of gasification enters air supply header pipe network 15 through pipe network, LNG low-temperature tanker 9 is 4#LNG low-temperature storage tank 4 topping up, when LNG low-temperature tanker 9 amount of liquid is not enough to LNG filling machine 11 aerating, now close No. 3 valves 17, open No. 1 valve 12, the return-air of LNG filling machine 11 is connected with the feed liquor house steward 16 that unloads, and controls to open and close by No. 2 valves 13.

By above description, this utility model provides a kind of LNG gas station, and scheme is in process of technical according to this, it is possible to reduce be discharged into the tolerance of pipe network, uses gas tank parallel way, supplies safety and reliability.

Above content is to combine concrete preferred implementation further detailed description of the utility model, it is impossible to assert that of the present utility model being embodied as is confined to these explanations.For this utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, it is also possible to make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.

Claims (1)

1. null1. a LNG gas station，Including 1# immersed pump、1#LNG low-temperature storage tank、LNG low-temperature tanker、LNG filling machine、Feed liquor house steward's pipe network、Air supply header pipe network，It is characterized in that，Described 1#LNG low-temperature storage tank is connected with described 1# immersed pump，With 1#LNG low-temperature storage tank、What 1# immersed pump was in parallel has 2#LNG low-temperature storage tank and 2# immersed pump and 3#LNG low-temperature storage tank and 3# immersed pump，Three groups of LNG low-temperature storage tanks in parallel are connected with one end of immersed pump and described feed liquor house steward's pipe network，The other end is connected with described air supply header pipe network，It is provided with 4#LNG low-temperature storage tank between described LNG low-temperature tanker and described LNG filling machine，4# immersed pump it is provided with between LNG low-temperature tanker and 4#LNG low-temperature storage tank，LNG low-temperature tanker is connected with 4# immersed pump by the feed liquor house steward that unloads，5# immersed pump it is provided with between 4#LNG low-temperature storage tank and LNG filling machine.