LNG vaporizing, pressure-regulating and metering prizing tool and operation method thereof

An operation method and measuring skid technology, applied in container filling method, container discharge method, pressure vessel, 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: 2014-12-10
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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  • LNG vaporizing, pressure-regulating and metering prizing tool and operation method thereof

Examples

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 vaporizing, pressure-regulating and metering prizing tool which comprises a base; an unloading pressurizing device, an air-heated vaporizer, an electric-heating heater and an air-heated EAG heater are arranged along the length direction of the base in sequence; a first main pipe is horizontally arranged on one side of the unloading pressurizing device; a first air inlet and a first air outlet are formed in two ends of the first main pipe; a second air outlet is formed in the middle of the first main pipe; a second air outlet branch is connected with a natural gas outlet by the air-heated EAG heater; the first air outlet is connected with a first air outlet branch in a conduction manner by a pipeline; the first air outlet branch extends from the second air outlet; the air-heated vaporizer comprises at least one air outlet which is connected to the natural gas outlet by the electric-heating heater; liquid inlet valves are arranged on connection parts of first to third liquid inlets of the air-heated vaporizer and the pipeline. The invention also provides an operation method of the LNG vaporizing, pressure-regulating and metering prizing tool; the working efficient is improved, requirements of different processes can be met, and the service life is long.

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 Applications(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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