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A lng gasification pressure regulating metering skid and its operation method

An operation method and a technology of metering skids, which are applied to container filling methods, container discharge methods, pressure vessels, etc., can solve the problems of short service life, high maintenance cost, low work efficiency, etc., and achieve improved service life, convenient operation, The effect of high work efficiency

Active Publication Date: 2016-04-13
江苏大昌燃气设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] With the continuous expansion of social needs, energy problems have become more and more prominent. With the development and application of natural gas, the problem of energy shortage has been alleviated. Natural gas equipment is becoming more and more abundant. LNG gasification and pressure regulation metering skid is one of them. However, the current filling station equipment has low working efficiency, short service life, complex structure, high maintenance cost, and complicated operation. Flexibility and other issues

Method used

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  • A lng gasification pressure regulating metering skid and its operation method

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Such as figure 1As shown, a LNG gasification and pressure regulating metering skid provided in this embodiment includes a base 1, and the base 1 is horizontally provided with an unloading supercharger 2, an air-temperature gasifier 3, an electric heating 4 and the air-temperature EAG heater 5; a first main pipe 6 is horizontally provided on one side of the unloading supercharger 2, and a first inlet 601 and a first air outlet 602 located at both ends thereof are opened on the first main pipe 6, and The second gas outlet 603 in the middle; the side of the air-temperature vaporizer 3 near the unloading supercharger 2 is provided with three liquid inlets, the second gas outlet 603 extends two gas outlet branches through the pipeline, the first The gas outlet branches are connected to the first to third liquid inlets of the air-temperature vaporizer 3 respectively, and the second gas outlet branch is connected to the natural gas outlet 7 through the air-temperature EAG heat...

Embodiment 2

[0040] The structure of the device in this embodiment is the same as that of Embodiment 1, and the operation method of the LNG gasification pressure regulating metering skid of this embodiment is carried out according to the following steps:

[0041] Step (1): When using for the first time, ensure that the base 1 is fixed on a horizontal surface, first use inert gas nitrogen to purge the pipeline at a pressure of 1Mpa to discharge debris, keep it for 30 minutes, and use a white-painted wooden target plate on all gas outlets Stop for 5 minutes, if there is no foreign matter, it is qualified, otherwise continue to blow until no foreign matter flies out of all outlets;

[0042] Step (2): Connect the liquid inlet valve on the tank car to the first inlet 601, open the valve of the unloading supercharger 2 at an opening of 2% / s to pre-cool the pipeline for 9 minutes, and then pressurize the pipeline with the unloading Device 2 increases the tank car to 0.7Mpa, opens the liquid inlet...

Embodiment 3

[0045] The structure of the device in this embodiment is the same as that of Embodiment 1, and the operation method of the LNG gasification pressure regulating metering skid of this embodiment is carried out according to the following steps:

[0046] Step (1): When using for the first time, ensure that the base 1 is fixed on a horizontal surface, first use inert gas nitrogen to purge the pipeline at a pressure of 2Mpa to discharge debris, keep it for 35min, and use a white-painted wooden target plate at all gas outlets Stop for 5 minutes, if there is no foreign matter, it is qualified, otherwise continue to blow until no foreign matter flies out of all outlets;

[0047] Step (2): Connect the liquid inlet valve on the tank car to the first inlet 601, open the valve of the unloading booster 2 at an opening of 1% / s to pre-cool the pipeline for 8 minutes, and then pressurize the pipeline with the unloading Device 2 increases the tank car to 0.8Mpa, opens the liquid inlet valve on ...

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Abstract

The invention discloses an LNG gasification and pressure regulating metering skid, which includes a base, and the base is sequentially and horizontally provided with an unloading supercharger, an air-temperature gasifier, an electric heater and an air-temperature EAG heater. ; One side of the unloading supercharger is horizontally provided with a first main pipe and the first main pipe is provided with a first inlet and a first air outlet located at both ends thereof, and a second air outlet located in the middle; the second air outlet branch The natural gas outlet is connected to the natural gas outlet through the air-temperature EAG heater; the first gas outlet is connected to the first gas outlet branch extending from the second gas outlet through a pipeline, and the air-temperature gasifier includes at least one gas outlet and the gas outlet passes through The electric heater is connected to the natural gas outlet, and the first to third liquid inlets of the air-temperature vaporizer are respectively provided with a liquid inlet valve at the connection with the pipeline; and the operation of the LNG gasification pressure regulation metering skid is provided. The method can improve work efficiency, meet the requirements of different processes, and have a long service life.

Description

technical field [0001] The invention relates to the technical field of skid installation, in particular to an LNG gasification pressure regulation metering skid installation and an operation method thereof. Background technique [0002] With the continuous expansion of social needs, energy problems have become more and more prominent. With the development and application of natural gas, the problem of energy shortage has been alleviated. Natural gas equipment is becoming more and more abundant. LNG gasification and pressure regulation metering skid is one of them. However, the current filling station equipment has low working efficiency, short service life, complex structure, high maintenance cost, and complicated operation. issues of flexibility. Contents of the invention [0003] The technical problem to be solved by the present invention is to propose an LNG gasification pressure regulating metering skid and its operation method in view of the above shortcomings of the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F17C5/02F17C7/04F17C13/02
Inventor 潘秀袁萌季邺陈红祥
Owner 江苏大昌燃气设备有限公司
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