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Device for measuring liquid level of liquefied natural gas cylinder

A liquefied natural gas and liquid level measurement technology, applied in the field of liquid level measurement devices, can solve the problems of complex structure of ultrasonic liquid level gauge, easy damage of float type liquid level gauge, difficulty in popularization and popularization, etc., and achieve good dynamic response characteristics, The effect of strong anti-overload ability and strong adaptability

Inactive Publication Date: 2014-02-12
贾林祥
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problems of complex structure, high cost, difficult maintenance, difficulty in popularization and popularization of ultrasonic liquid level gauge, easy damage of buoy type liquid level gauge, poor reliability and large amount of maintenance, the present invention further proposes a liquefied natural gas cylinder liquid surface measuring device

Method used

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  • Device for measuring liquid level of liquefied natural gas cylinder

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Experimental program
Comparison scheme
Effect test

specific Embodiment approach 1

[0007] Specific implementation mode one: combine figure 1 Describe this embodiment, the liquid level measuring device of a kind of liquefied natural gas cylinder described in this embodiment comprises terminal post 1, shell assembly 2, compression nut 3, first insulating sleeve 4, guide sleeve 5, support sleeve 6, The second insulating sleeve 7, the positioning nut 8, the inner tube 9 and the outer tube 10, the terminal 1 is inserted in the housing assembly 2, and the upper end of the terminal 1 is exposed outside the housing assembly 2, and the first insulating sleeve 4 is set On the outer wall of the terminal 1, and the first insulating sleeve 4 is located between the outer wall of the terminal 1 and the inner wall of the housing assembly 2, the guide sleeve 5, the supporting sleeve 6, and the second insulating sleeve 7 are sequentially arranged from inside to outside. It is set on the outer wall of the lower part of the terminal 1, and the guide sleeve 5, the support sleeve...

specific Embodiment approach 2

[0009] Specific implementation mode two: combination figure 1 To illustrate this embodiment, a liquid level measuring device for a liquefied natural gas cylinder in this embodiment further includes a lock nut 11 and a lock nut 12, and the housing assembly 2 includes an upper shell 2-1 and a lower shell The body 2-2, the upper casing 2-1 and the lower casing 2-2 are arranged sequentially from top to bottom, the lock nut 12 is set on the outer side wall of the upper end of the lower casing 2-2, and the upper part of the lock nut 11 The inner sidewall is threadedly connected to the outer sidewall of the lower end of the upper housing 2 - 1 , and the inner sidewall at the bottom of the lock nut 11 is threaded to the outer sidewall of the lock nut 12 . Other components and connections are the same as those in the first embodiment.

specific Embodiment approach 3

[0010] Specific implementation mode three: combination figure 1 To describe this embodiment, a sealing gasket 13 is provided at the joint between the upper casing 2-1 and the lower casing 2-2 of the liquid level measuring device for a liquefied natural gas cylinder described in this embodiment. Other components and connections are the same as those in the second embodiment.

[0011] working principle

[0012] When the present invention is used, a negative electrode is connected to the top of the inner tube 9, an anode is connected to the bottom of the outer tube 10, the present invention is put into a liquefied natural gas cylinder, and the lower part of the outer tube 10 is inserted under the liquid surface of the liquefied natural gas. When the liquid level in the bottle changes, the liquefied natural gas liquid enters the inner tube 9 through the second through hole 10-1 on the outer tube 10 and the first through hole 9-1 on the inner tube 9, and the inner tube 9 and the o...

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Abstract

The invention discloses a device for measuring a liquid level of a liquefied natural gas cylinder and relates to a liquid level measuring device, in particular to a device for measuring the liquid level of the liquefied natural gas cylinder. The invention aims to solve the problems that an acoustic wave type liquid level meter is complex in structure, high in cost and difficult in maintenance and popularization and a float-type liquid level meter is easily damaged and has low reliability and high maintenance quantity. A binding post is inserted into a shell component; a first insulating sleeve is sleeved on an outer side wall of the binding post; a guide sleeve, a supporting sleeve and a second insulating sleeve are sleeved on an outer side wall of the lower part of the binding post in turn from interior to exterior; an inner tube is sleeved on the second insulating sleeve; an outer tube is sleeved on the inner tube; a plurality of first through holes are arranged on the outer side wall of the inner tube; a plurality of second through holes are arranged on the outer side wall of the outer tube; the lower end of the binding post is provided with a positioning nut; and a pressing nut is sleeved on the outer side wall of the upper end of the shell component. The device is used for measuring liquid level height change in the liquefied natural gas cylinder.

Description

technical field [0001] The invention relates to a liquid level measuring device, in particular to a liquid level measuring device for a liquefied natural gas cylinder. Background technique [0002] At present, there are many devices used to measure the liquid level, and the widely used ones are ultrasonic liquid level gauge, float type liquid level gauge and capacitive liquid level gauge. Ultrasonic liquid level gauges are complex in structure, expensive to manufacture, difficult to maintain, and difficult to popularize and popularize; the detection part of displacer type liquid level gauges is a movable part, so it is easily damaged, has poor reliability, and requires a lot of maintenance. Contents of the invention [0003] In order to solve the problems of complex structure, high cost, difficult maintenance, difficulty in popularization and popularization of ultrasonic liquid level gauge, easy damage of buoy type liquid level gauge, poor reliability and large amount of m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F17C13/02
Inventor 贾林祥
Owner 贾林祥
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