Natural gas liquefaction treatment device adopting composite refrigeration liquefaction

A technology for liquefied natural gas and liquefaction treatment, which is applied in the field of compound refrigeration liquefied natural gas liquefaction treatment devices, and can solve the problems affecting the purity and mixing of liquefied natural gas

Pending Publication Date: 2021-12-10
孙本涛
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, when natural gas is liquefied, it is necessary to pre-cool the natural gas so that its temperature is lowered to close to the critical temperature at which it turns into a liquid, so as to facilitate the subsequent preparation process. However, the existing devices are pre-cooling the natural gas Natural gas is usually directly cooled when it is produced, but when the natural gas is just produced, it is usually mixed with some other impurities, if it is directly cooled, it will affect the purity of the liquefied natural gas

Method used

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  • Natural gas liquefaction treatment device adopting composite refrigeration liquefaction
  • Natural gas liquefaction treatment device adopting composite refrigeration liquefaction
  • Natural gas liquefaction treatment device adopting composite refrigeration liquefaction

Examples

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Effect test

Embodiment 1

[0040] A compound refrigeration liquefied natural gas liquefaction treatment device, such as figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10 , Figure 11 and Figure 17 As shown, it includes a base 1, a casing 2, a sealed tank 4, a natural gas inlet pipe 5, a condensation box 6, an air extraction component 7, a condensation component 8, a drainage component 9 and a water injection component 12, and the top of the base 1 is fixedly connected with the casing 2, The middle part of the casing 2 is connected with a sealed tank 4 by bolts, and the bottom of the sealed tank 4 has a water outlet. The left side of the inner wall is equipped with an air extraction assembly 7, which is connected between the airtight tank 4 and the condensation box 6, the condensation box 6 is provided with a condensation assembly 8, the lower part of the airtight tank 4 is provided with a drainage assembly 9, and the inner wal...

Embodiment 2

[0047] On the basis of Example 1, such as Figure 12 , Figure 13 , Figure 14 , Figure 15 , Figure 16 , Figure 18 and Figure 19 As shown, a control assembly 10 is also included, and the control assembly 10 includes a first air intake pipe 1001, a ball valve 1002, a second gear 1003, a second guide sleeve 1004, a U-shaped rod 1005, a first spring 1006 and a second rack 1007 The left side of the natural gas intake pipe 5 is connected with a first intake pipe 1001, a ball valve 1002 is rotated on the first intake pipe 1001, a second gear 1003 is connected to the front and rear sides of the ball valve 1002, and a second gear 1003 is connected to the front and rear symmetrically on the left side of the sealed tank 4. U-shaped rod 1005 is slidingly arranged between the second guide sleeve 1004 and the second guide sleeve 1004, and the upward movement of the first baffle plate 901 will drive the U-shaped rod 1005 to move upward, and the front and back between the U-shaped r...

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Abstract

The invention relates to a natural gas liquefaction treatment device, in particular to a natural gas liquefaction treatment device adopting composite refrigeration liquefaction. The invention aims to provide the natural gas liquefaction treatment device adopting composite refrigeration liquefaction which can remove impurities and water in natural gas and can quickly cool natural gas. According to the technical scheme, the natural gas liquefaction treatment device adopting composite refrigeration liquefaction comprises a base, a shell, a sealing tank, a natural gas inlet pipe, a condensation box, a gas extraction assembly, a condensation assembly, a drainage assembly and a water injection assembly, wherein the top of the base is connected with the shell, and the sealing tank is connected to the middle in the shell. According to the natural gas liquefaction treatment device adopting composite refrigeration liquefaction, natural gas is directly injected into water, then some water-soluble impurities in the natural gas can be dissolved in the water, so that the impurities in the natural gas can be removed, and then water contained in the natural gas can be condensed into solids in the condensation box.

Description

technical field [0001] The invention relates to a natural gas liquefaction processing device, in particular to a compound refrigeration liquefied natural gas liquefaction processing device. Background technique [0002] Natural gas is a naturally occurring gas that can be used as fuel. It is mainly composed of methane, ethane and propane. When using natural gas, it needs to be liquefied to make it into a liquid, and its volume can be reduced many times. Afterwards, it is transported, so before the transportation process of natural gas, it needs to be cooled and then liquefied. [0003] At present, when natural gas is liquefied, it is necessary to pre-cool the natural gas so that its temperature is lowered to close to the critical temperature at which it turns into a liquid, so as to facilitate the subsequent preparation process. However, the existing devices are pre-cooling the natural gas Usually, the natural gas is directly cooled. However, when the natural gas is just pr...

Claims

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Application Information

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IPC IPC(8): F25J1/02
CPCF25J1/0228F25J1/0022
Inventor 孙本涛
Owner 孙本涛
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