Gas-liquid separator of water electrolysis system

Patent metadata

Field	Value
Publication number	US-2022186391-A1
Application number	US-202117400147-A
Country	US
Kind code	A1
Filing date	Aug 12, 2021
Priority date	Dec 15, 2020
Publication date	Jun 16, 2022
Grant date	—

Abstract

To provide a gas-liquid separator of a water electrolysis system, comprising: a liquid feeding atomizer and a gas-liquid separation chamber, wherein the liquid feeding atomizer includes a liquid feeding pressurized tube; and an atomizing spray head, in which the atomizing spray head converts a gas-liquid mixed liquor after pressurized by the liquid feeding pressurized tube into a mist droplet gas-liquid mixture. The gas-liquid separation chamber comprises a spiral flowing way, and the spiral flowing way extends the time that the mist droplet gas-liquid mixture spraying into the gas-liquid separation chamber flows downwards to the bottom of the gas-liquid separation chamber; an ultrasonic oscillation mechanism; a stirrer; an internal reservoir; and a filter mechanism, which performs the gas-liquid separation for unbroken bubbles in the mist droplet gas-liquid mixture through the pore difference.

First claim

What is claimed is:

1 . A gas-liquid separator of a water electrolysis system, comprising:
a liquid feeding atomizer, including:
a liquid feeding pressurized tube, for receiving and pressurizing a gas-liquid mixed liquor after performing the electrolytic reaction of water electrolysis system; and
an atomizing spray head, which is connected to the liquid feeding pressurized tube, in which the atomizing spray head converts the gas-liquid mixed liquor after pressurized by the liquid feeding pressurized tube into a mist droplet gas-liquid mixture; and
a gas-liquid separation chamber, the liquid feeding atomizer being set above the gas-liquid separation chamber, wherein the atomizing spray head sprays the mist droplet gas-liquid mixture into the gas-liquid separation chamber, wherein the gas-liquid separation chamber comprises:
a spiral flowing way, which is set on an inner wall of the gas-liquid separation chamber, and when the mist droplet gas-liquid mixture is sprayed into the spiral flowing way, the spiral flowing way extends the time that the mist droplet gas-liquid mixture spraying into the gas-liquid separation chamber flows downwards to the bottom of the gas-liquid separation chamber;
an ultrasonic oscillation mechanism, set on an outer wall of the gas-liquid separation chamber, which is used for oscillating the mist droplet gas-liquid mixture in the gas-liquid separation chamber;
a stirrer, set at the bottom of the gas-liquid separation chamber, which is used to stir the mist droplet gas-liquid mixture accumulated in a lower layer of the gas-liquid separation chamber at a high speed;
an internal reservoir, located in the gas-liquid separation chamber, which is used to store and discharge a liquid in the mist droplet gas-liquid mixture after the gas-liquid separation; and
a filter mechanism, located at the top of the internal reservoir, which performs the gas-liquid separation for unbroken bubbles in the mist droplet gas-liquid mixture through the pore difference.

2 . The gas-liquid separator according to claim 1 , wherein the gas-liquid separator further comprises:
a liquid discharging pipe, connected to the internal reservoir, and the liquid after the gas-liquid separation is discharged from the gas-liquid separation chamber through the liquid discharging pipe; an exhaust pipe, connected to the gas-liquid separation chamber, and a gas after the gas-liquid separation is discharged from the gas-liquid separation chamber through the exhaust pipe; a differential pressure valve, connected to the exhaust pipe, and used to adjust the exhaust pipe to be a negative pressure; and a gas collection pipe, connected to the differential pressure valve, and used to collect the gas after the gas-liquid separation.

3 . The gas-liquid separator according to claim 2 , wherein the gas-liquid separator further comprises:
an external pipe, which is communicated to the liquid discharging pipe and the differential pressure valve, and used to collect a remaining small amount of gas in the liquid that is discharged from the gas-liquid separation chamber.

4 . The gas-liquid separator according to claim 1 , wherein a diameter range of a spout of the atomizing spray head is between 0.5 mm and 5 mm.

5 . The gas-liquid separator according to claim 1 , wherein an oscillation frequency of the ultrasonic oscillation mechanism is between 20 kHz and 50 kHz.

6 . The gas-liquid separator according to claim 1 , wherein the ultrasonic oscillation mechanism is attached to the outside of the gas-liquid separation chamber in at least one manner of a plate and annular plate.

7 . The gas-liquid separator according to claim 1 , wherein the stirrer provides a stirring action by a mechanical way at least one of fan blades, paddle boards or a magnetic stirring stone.

8 . The gas-liquid separator according to claim 1 , wherein the number of layers of the filter mechanism is more than one.

9 . The gas-liquid separator according to claim 1 , wherein the filter mechanism has a mesh size of 16-400 meshes or a hole size of 0.05 mm-1 mm.

10 . The gas-liquid separator according to claim 1 , wherein a liquid viscosity of the gas-liquid mixed liquor is greater than 10 cps.

11 . The gas-liquid separator according to claim 1 , wherein a surface of spiral flowing way is an annular or groove-shaped protrusion, and a pitch of the spiral flowing way is between 0.5 mm and 2.5 mm, and a height of thread of the spiral flowing way is between 0.5 mm and 1.5 mm.

Assignees

• Nat Chung Shan Inst Science & Tech

Inventors

• Hao Chia-Kan
• Lai Kuan-Ting
• Lu Chung-Yen

Classifications

• B01D19/02

  Foam dispersion or prevention (during boiling B01B1/02; during fermentation C12) · CPC title

• B01D19/0052

  in rotating vessels, vessels containing movable parts or in which centrifugal movement is caused (B01D19/0026 takes precedence) · CPC title

• B01D19/0047

  Atomizing, spraying, trickling · CPC title

• B01D19/0078

  by vibration · CPC title

• B01D19/0031

  by filtration · CPC title