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Non-concentric variable cross section GWF device

A non-concentric, variable-section technology, used in gas fuel, gas treatment, vapor condensation, etc., can solve the problems of small centrifugal force, complex structure and process flow, high manufacturing and operating costs, and achieve improved recovery rate, efficient separation or liquefaction. effect, small size effect

Active Publication Date: 2018-09-11
闫家义 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main disadvantages of these two technical methods are: complex structure and process flow of the device, high manufacturing and operating costs, separation and liquefaction efficiency are greatly affected by changes in the working conditions of the imported gas source
The vortex airflow moving in the circular cross-section flow channel has a small centrifugal force in the area around the center of the cross-section, and there is a vortex stagnation area with a small rotational momentum, and the droplets in this area are subjected to a small centrifugal force. It is not easy to be thrown to the walls of the expansion section and the working section of the nozzle and shunted out by the separation port, thus preventing the further improvement of the separation efficiency of the entire device

Method used

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Examples

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Embodiment

[0048] Embodiment Non-concentric variable section GWF device ( Figure 12 , image 3 shown)

[0049] Location of use: A gas gathering station in Kuqa, southern Xinjiang

[0050] Operation time: October 1, 2012

[0051] Raw gas initial conditions and requirements:

[0052] 1. Entry pressure: 2.0~2.2MPa.g

[0053] 2. Entry temperature (T0): ≤30°C

[0054] 3. Capacity: 6~15×10 4 N m 3 / day (0.1MPa, at 20°C)

[0055] 4. Water dew point (under outlet pressure): ≤-15°C

[0056] 5. Feed gas components (the sum of carbon-3 and above components is 5.52%)

[0057] components

[0058] Set device design parameters (with a processing capacity of 13×10 4 N m 3 / day is set for standard working conditions)

[0059] 1. Device import parameters:

[0060] Inlet flow (G1): 15.3×10 4 N m 3 / day (0.1MPa, at 20°C)

[0061] Inlet temperature (T1): 10~0℃

[0062] Inlet pressure (P1): 3.65MPa.g

[0063] 2. Device export parameters:

[0064] Outlet pressure (P2): 2.17MPa.g ...

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Abstract

The invention discloses a non-concentric variable cross section GWF device, which is mainly successively integrated by a device entry end, a device jet pipe, a device diffusion section connected withthe device jet pipe and a device exit end. The device jet pipe is successively integrated by a constricted section, a throat part, an expansion section and a working section. different from existing concentric circle cross section GWF devices, the invention has the following beneficial effects: the concentric circle cross section design of an original device jet pipe section is abandoned and the structural design of a non-concentric variable cross section is created, additional centrifugal force is generated at each area of each cross section of the jet pipe channel, centrifugal action of thecentrifugal force on liquid drops is increased, a vortex stagnation zone with low spinning momentum is eliminated, and separation and recycling efficiency of natural gas is far higher than separationand recycling efficiency of a J-T valve and a turbo expander. In comparison with a concentric circle cross section GWF device, the non-concentric variable cross section GWF device also obviously showsoutstanding advantages.

Description

technical field [0001] The invention belongs to a gas separation and liquefaction device, in particular a non-concentric variable cross-section controllable vortex type high-speed vortex flow gas separation device that greatly improves separation efficiency. For the convenience of description, it is referred to as a non-concentric variable cross-section GWF device. , suitable for advanced technical equipment for gas purification and liquefaction industries such as natural gas, petrochemical, metallurgy, medical treatment and purified water. Background technique [0002] At present, in the actual engineering applications of various industries such as natural gas, petrochemical, metallurgy, medical treatment and purified water, there are mainly two technical methods for gas separation and liquefaction. One is the widely used cryogenic separation method of expander refrigeration. This method is to cool down the gas that has been compressed to a certain pressure through a heat ...

Claims

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Application Information

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IPC IPC(8): B01D53/00B01D5/00B01D45/16C10L3/10
CPCB01D5/0033B01D45/16B01D53/002C10L3/10C10L3/101C10L3/106B01D2256/245C10L2290/54
Inventor 闫家义刘一维
Owner 闫家义
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