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Natural gas liquefaction exchange pressure regulator

A pressure regulator and natural gas technology, applied in safety valves, engine components, balance valves, etc., can solve problems such as inconvenience in production and management, increased costs, and LP outlet pressure exceeding the tolerance range

Active Publication Date: 2016-07-27
NINGBO JINOU HARDWARE PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Due to the fixed length of the pressure regulating rod of the currently used natural gas liquefaction interchangeable pressure regulator, when the spring force of the pressure regulating spring changes slightly, the LP outlet pressure may exceed the tolerance range
Moreover, different pressure regulating springs should be used for different outlet air pressures and different flow rates, which will bring inconvenience to production and management.
In production and processing, it is impossible to directly judge whether the natural gas liquefaction interchangeable regulator is in the NG state or the LP state, and it is necessary to increase the process to judge, which greatly increases the cost

Method used

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  • Natural gas liquefaction exchange pressure regulator

Examples

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Effect test

Embodiment

[0025] The pressure regulating rod in the device is composed of connecting rod 2 and pressure plate 3. When the elastic force of the pressure regulating spring of the same specification deviates, the length of the pressure regulating rod can be adjusted by controlling the depth of the threaded rod 9 extending into the second threaded hole 12 Thereby controlling the elastic force of the pressure regulating spring, a kind of pressure regulating spring can also be used under the situation of different outlet air pressures and different flow rates, and the length of the pressure regulating rod can be changed to change the pressure regulating spring. It can be visually judged whether the factory state of the pressure regulator is NG or LP through the circular through hole 4 arranged on the upper end surface of the pressure cap 6 . LP status as image 3 As shown, the NG state is as Figure 4 shown.

[0026] When the device is in the LP state and the length of the pressure regulati...

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Abstract

The invention relates to a natural gas liquefaction exchange pressure regulator which comprises a nut pressing cap (1), a connecting rod (2) and a pressing plate (3), wherein a circular through hole (4) is vertically formed in the middle of the upper end surface of the nut pressing cap (1); and a first threaded hole (11) is vertically formed in the middle of the lower end surface of the nut pressing cap (1), communicates with the circular through hole (4), and connected with a threaded part I (10) at one end of the connecting rod (2) or a threaded part II (10) at one end of the pressing plate (3). A pressure regulating rod of the natural gas liquefaction exchange pressure regulator provided by the invention is composed of the connecting rod and the pressing plate; when pressure regulating springs of the same specification are subjected to elasticity deviation, the elasticity of the pressure regulating springs can be controlled by adjusting the length of the pressure regulating rod; and accordingly, the pressure regulating springs of the same specification can be used under the circumstance of different air outlet pressure and different flow.

Description

technical field [0001] The invention relates to the technical field of pressure regulators, in particular to a natural gas liquefaction interchangeable pressure regulator. Background technique [0002] Due to the fixed length of the pressure regulating rod of the currently used natural gas liquefaction interchangeable pressure regulator, when the spring force of the pressure regulating spring changes slightly, the LP outlet pressure may exceed the tolerance range. Moreover, different pressure regulating springs will be used under different outlet air pressures and different flow rates, which will bring inconvenience to production and management. In production and processing, it is impossible to directly judge whether the natural gas liquefaction interchangeable regulator is in the NG state or the LP state, and it needs to increase the process to judge, which greatly increases the cost. Contents of the invention [0003] The technical problem to be solved by the present in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K17/20
CPCF16K17/20
Inventor 刘进助陈辉
Owner NINGBO JINOU HARDWARE PROD
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