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Emergent LNG supply device

A technology for a gas supply device and a gasification device, which can be applied to fixed-capacity gas storage tanks, gas/liquid distribution and storage, pressure vessels, etc., and can solve the problems of bulky heating devices and low natural gas gasification efficiency.

Active Publication Date: 2015-06-17
QINGDAO ENN GAS FACILITIES DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problems of low natural gas gasification efficiency and bulky heating device in the prior art, the present invention provides an LNG emergency gas supply device with stable performance, convenient heating and movement

Method used

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  • Emergent LNG supply device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Such as figure 1 As shown, the LNG emergency gas supply device includes a gasification device, a first temperature gauge 3, a first pressure gauge 6, a second temperature gauge 7, a safety valve 8, and a pressure regulating group 9, which are sequentially connected in series by a gas transmission pipeline 4 , And the second pressure gauge 10. The gasification device is composed of one gasifier or a plurality of gasifiers 1 connected in parallel, and a ball valve 2 is installed on the gas inlet or gas outlet of the gasifier 1 . A ball valve 2 is installed between the first temperature gauge 3 and the first pressure gauge 6, and a heating device 5 is connected in parallel to the ball valve 2 between the first temperature gauge 3 and the first pressure gauge 6, and a heating device 5 is installed in the heating device 5 Natural gas burner 51. The gas pipeline 4 behind the second pressure gauge 10 is divided into a user pipe 41 for supplying gas to the user and a gas supp...

Embodiment 2

[0019] On the basis of Embodiment 1, the LNG emergency gas supply device can also include a vehicle frame, the vehicle frame has wheels, the gasification device, the first temperature gauge 3, the first pressure gauge 6, and the second temperature gauge 7 , safety valve 8, pressure regulating group 9, second pressure gauge 10, heating device 5, and air supply pipe 42 are fixed on the vehicle frame. The vehicle frame includes a compartment that seals various devices, and the compartment has a door. The vehicle frame facilitates the movement of the LNG emergency gas supply device, and the compartment plays the role of protecting various components.

[0020] On the basis of embodiment 1 or embodiment 2, the following improvements can also be made:

[0021] Further, the natural gas burner 51 includes 1 to 5 nozzles.

[0022] Further, the gas supply pipe 42 is installed with a temperature control regulator to control the flow rate of the nozzle, and the temperature control regula...

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Abstract

The invention discloses an emergent LNG supply device. The emergent LNG supply device comprises a gasification device, a first temperature gauge, a first pressure gauge, a second temperature gauge, a safety valve, a pressure regulation set and a second pressure gauge which are connected with one another in series in sequent through a gas transmission pipe, wherein the gasification device comprises a gasifier or a plurality of gasifiers which are connected in parallel with each other, so that the gasification efficiency is improved; a ball valve is mounted between the first temperature gauge and the first pressure gauge and is connected in parallel with a heating device; the gas transmission pipe on the back of the second pressure gauge is divided into a user pipe used for supply gas for users and a gas supply pipe used for supplying gas for the heating device; the gas supply pipe is connected to the heating device; when the outside temperature is extremely low, the natural gas transmitted to the heating device by the gas supply pipe is ignited, so that workers can conveniently heat the LNG. The emergent LNG supply device also comprises a frame capable of conveniently moving and a carriage arranged on the frame and used for sealing the devices; by virtue of the frame, the device can move more conveniently; the carriage plays a role of protecting the parts such as the gasification device, the first temperature gauge and the first pressure gauge.

Description

technical field [0001] The invention relates to a gas supply device, in particular to an LNG emergency gas supply device capable of moving and conveniently gasifying and heating natural gas. Background technique [0002] In the process of urban natural gas supply, rescue and maintenance operations of natural gas pipelines are often encountered. The use of emergency natural gas supply devices can effectively reduce the occurrence of gas outage accidents during emergency repair operations and ensure the safe and continuous use of gas by users. [0003] At present, the natural gas supply device occupies a large area and is inconvenient to move; and when the outside temperature is too low, the gasification efficiency of the gasification device decreases, and the liquefied natural gas gasified by the gasification device is not completely gasified; the incomplete gasification Natural gas has a certain damage effect on pipelines. In the prior art, there have been devices for heati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F17C7/04F17D3/01F17D1/02
Inventor 滑体之唐晓东朱晓敏
Owner QINGDAO ENN GAS FACILITIES DEV
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