CN-121993726-A - Modularized assembled LNG (liquefied Natural gas) filling station and modularized assembling method

CN121993726ACN 121993726 ACN121993726 ACN 121993726ACN-121993726-A

Abstract

The invention discloses a modularized assembled LNG filling station and a modularized assembling method, wherein the filling station comprises a box-type LNG skid-mounted module, a gas filling machine skid-mounted module and a standardized pipeline connecting module, the box-type LNG skid-mounted module is a box-type LNG filling station core skid integrating all equipment, standardized gas filling machine interface areas are arranged on two opposite sides of the box-type LNG filling station core skid in the length direction, at least one LNG filling machine is arranged in the gas filling machine skid-mounted module, an interface area corresponding to the box-type LNG skid-mounted module interface area is prefabricated on the gas filling machine skid-mounted module, the standardized pipeline connecting module connects the box-type LNG skid-mounted module interface area with the interface area corresponding to the gas filling machine skid-mounted module, and the gas filling machine skid-mounted module is arranged on any one side or two sides of the box-type LNG skid-mounted module and is not connected with the gas filling machine skid-mounted module. The invention can realize the combination mode of various LNG gas stations through the modularization and interface standardization of the design, and has higher universality.

Inventors

Quan bing
FU JIE
ZHAO YU
YANG FAN
Zhan Shigan

Assignees

中石化石油机械股份有限公司
中石化氢能机械(武汉)有限公司

Dates

Publication Date: 20260508
Application Date: 20260130

Claims (8)

1. The utility model provides a LNG gas station of modularization equipment, its characterized in that, including box LNG skid-mounted module, mechanism of qi skid-mounted module and standardized pipeline connection module, box LNG skid-mounted module is the box LNG gas station core skid of each equipment of integration, and it all is provided with standardized mechanism of qi interface district in the both sides that length direction is opposite, install at least one LNG mechanism of qi in the mechanism of qi skid-mounted module, prefabricated have the interface district corresponding with box LNG skid-mounted module interface district on the mechanism of qi skid-mounted module, standardized pipeline connection module is connected box LNG skid-mounted module interface district and the corresponding interface district of mechanism of qi skid-mounted module, mechanism of qi skid-mounted module sets up in any one of them side or all sets up or box LNG skid-mounted module is not connected in both sides of box LNG skid-mounted module.
2. The modular assembled LNG terminal of claim 1, wherein the box-type LNG skid integrated equipment includes LNG storage tanks, booster vaporizers, EAG vaporizers, immersed pumps, meter cabinets and connecting lines.
3. The modular assembled LNG filling station of claim 1, wherein the dispenser interface areas provided on both sides of the box-type LNG skid module each include a reserved filling port and a reserved return port, and the dispenser interface areas of the dispenser skid module are a liquid inlet and a liquid return port.
4. The modular assembled LNG terminal of claim 1, wherein the dispenser skid module is a self-contained and removable skid unit.
5. The modular assembled LNG terminal of claim 1, further comprising a awning module bolted to the top of the dispenser skid module.
6. The modular assembled LNG terminal of claim 1, wherein the standardized pipeline connection module includes standardized pipelines and flanges through which the interface areas of the box-type LNG skid module are connected in one-to-one correspondence with the corresponding interface areas of the dispenser skid module.
7. The modular assembled LNG fueling station as set forth in claim 3, wherein said box-type LNG skid module is further reserved with an instrument air source interface and an electrical communication interface, said instrument air source interface being connected to an off-site instrument air manifold, said electrical communication interface being connected to an off-site control cabinet.
8. A modular assembly method for a modular assembled LNG fueling station as set forth in any one of claims 1 to 7 comprising the steps of: 1. The independent box-type LNG skid-mounted module is connected to an off-site gas dispenser for gas supply through a reserved interface; 2. The gas filling machine skid-mounted module is connected to one side interface area of the box-type LNG skid-mounted module, and then the awning module is connected to the gas filling machine skid-mounted module; 3. the gas filling machine skid-mounted module is connected to an interface area on the other side opposite to the box-type LNG skid-mounted module, and then the awning module is connected to the gas filling machine skid-mounted module; 4. The two side interface areas of the box-type LNG skid-mounted module are respectively connected with one gas filling machine skid-mounted module through standardized pipeline connection modules, and meanwhile, 2 awning modules are connected to the two side gas filling machine skid-mounted modules to form a gas filling station for simultaneously filling gas for vehicles on two sides.

Description

Modularized assembled LNG (liquefied Natural gas) filling station and modularized assembling method Technical Field The invention relates to the technical field of LNG (liquefied Natural gas) filling stations. More particularly, the present invention relates to a modular assembled LNG fueling station and modular assembly method. Background Along with the increasing demand of LNG gas stations, higher demands are also put forward on the type of LNG gas filling, the construction period and the construction site. The conventional LNG gas station comprises an LNG conventional station, a tank LNG gas station and an integrated gas station, wherein the LNG conventional station integrates an EAG gasifier, a booster gasifier, a immersed pump, an instrument cabinet and a connecting pipeline on a sledge, the tank LNG gas station is based on the LNG conventional station and integrates a storage tank on the sledge, and the integrated gas station is based on the tank LNG gas station and integrates an LNG gas dispenser on the sledge. The integrated LNG filling station has the main problems that 1, the integration level of the LNG conventional station is not high, transportation and field installation are inconvenient, 2, the integrated level of the box type LNG filling station is slightly higher than that of the LNG conventional station, but the problems of large field pipeline connection workload, poor integrity and longer field construction period exist, 3, the integrated filling station has higher integration level, but the problems of various product models and poor universality caused by the fact that the positions (the same side, different sides or two sides) of the filling machine are fixed in a factory also exist, and the integrated filling station is inconvenient to transport due to overlong length. Disclosure of Invention The invention aims to provide a modularized LNG (liquefied Natural gas) filling station and a modularized assembling method, which are capable of keeping the advantage of rapid deployment of skid-mounted equipment and flexibly adapting to various filling layouts. Through modularization and interface standardization of design, can realize multiple type LNG gas station combination mode, the commonality is higher. In order to solve the technical problems, the invention provides a modularized assembled LNG filling station, which comprises a box-type LNG skid-mounted module, a gas filling machine skid-mounted module and a standardized pipeline connecting module, wherein the box-type LNG skid-mounted module is a box-type LNG filling station core skid integrating all equipment, standardized gas filling machine interface areas are arranged on two opposite sides in the length direction of the box-type LNG skid-mounted module, at least one LNG filling machine is arranged in the gas filling machine skid-mounted module, an interface area corresponding to the box-type LNG skid-mounted module interface area is prefabricated on the gas filling machine skid-mounted module, the standardized pipeline connecting module connects the box-type LNG skid-mounted module interface area with the interface area corresponding to the gas filling machine skid-mounted module, and the gas filling machine skid-mounted module is arranged on any one side or two sides of the box-type LNG skid-mounted module and is not connected with the gas filling machine skid-mounted module. Preferably, the box-type LNG skid-mounted module integrated equipment comprises an LNG storage tank, a booster gasifier, an EAG gasifier, a immersed pump, an instrument cabinet and connecting pipelines. Preferably, the gas dispenser interface areas arranged on two sides of the box-type LNG skid-mounted module comprise reserved filling ports and gas return ports, and the interface areas corresponding to the gas dispenser skid-mounted modules one by one are a liquid inlet and a liquid return port. Preferably, the dispenser skid is a self-contained and removable skid. Preferably, the device further comprises a awning module which is connected to the top of the gas dispenser skid module through bolts. Preferably, the standardized pipeline connection module comprises a standardized pipeline and a flange, and the interface areas of the box-type LNG skid-mounted module and the interface areas corresponding to the gas filling machine skid-mounted module are connected in one-to-one correspondence through the flange. Preferably, an instrument air source interface and an electrical communication interface are reserved on the box-type LNG skid-mounted module, the instrument air source interface is connected to an off-site instrument air manifold, and the electrical communication interface is connected to an off-site control cabinet. The invention also provides a modularized assembly method of the modularized assembled LNG filling station, which comprises the following steps: 1. The independent box-type LNG skid-mounted module is connected to an off-site gas dispenser for