Gas-liquid separation device and liquid level inhibition method thereof

Abstract

The invention provides a gas-liquid separation device and a liquid level inhibition method thereof.The gas-liquid separation device comprises a gas-liquid separation device tank, a gas outlet, a liquid outlet, a gas-liquid inlet and a damping plate, wherein the gas outlet, the liquid outlet and the gas-liquid inlet are formed in the gas-liquid separation device tank, and the damping plate is arranged in the gas-liquid separation device tank; according to the gas-liquid separation device, hydrogen and liquid generated by water electrolysis are separated by means of gravity, the periphery of the damping plate is attached to the inner wall of the gas-liquid separation device, and shaking of the liquid in the tank body is reduced by arranging the damping plate in the tank body of the gas-liquid separation device. The method reference can be provided for stabilization of the liquid tank of a gas-liquid separation device for offshore hydrogen production and storage and the like.

Description

Technical Field

[0001] The present invention relates to the technical field of liquid level suppression of offshore liquid tanks, and in particular to a gas-liquid separation device and a liquid level suppression method thereof. Background Art

[0002] As climate anomalies caused by global climate change become more and more frequent, people urgently need to develop more clean energy to replace traditional fossil energy. Hydrogen, as an important clean energy, has the advantages of being multifunctional, clean, and flexible, and its energy density is three times that of traditional oil. In the process of accelerating the global energy transformation to clean energy and actively responding to climate change, the use of renewable energy for offshore hydrogen production has become a focus of attention in the field of new energy and is considered an important solution to problems such as power transmission, peak load regulation, and consumption.

[0003] Usually, offshore hydrogen production equipment needs to be installed on floating platforms, which have poor dynamic stability. Under the combined effects of wind, waves and currents, multi-degree-of-freedom movements such as heave, surge, sway, pitch, roll and bow swing occur, which in turn cause the gas-liquid separation device installed on the deck to slosh violently, resulting in complex nonlinear phenomena such as wave curling, breaking and fusion of the liquid tank inside the device, and mixed multiphase flow of separation flow and water gas. The engineering aspects seriously interfere with and destroy the normal separation process and the difficulty of liquid suppression. In view of the problem that the gas-liquid separation device in offshore hydrogen production technology faces the problem of large sloshing of the liquid tank, involving complex nonlinear phenomena such as wave curling, breaking and fusion, and mixed multiphase flow of separation flow and water gas, there is currently a lack of technical methods for suppressing the liquid level sloshing of the gas-liquid separation device in offshore hydrogen production technology and modeling. Summary of the invention

[0004] In view of the defects in the prior art, the purpose of the present invention is to provide a gas-liquid separation device and a liquid level suppression method thereof. The present invention can provide a method reference and simulation technology support for the anti-rolling of the liquid tank of the gas-liquid separation device such as offshore hydrogen production and storage.

[0005] To solve the above problems, the technical solution of the present invention is:

[0006] A gas-liquid separation device comprises a gas-liquid separation device tank body, a gas outlet, a liquid outlet, a gas-liquid inlet arranged on the gas-liquid separation device tank body, and a damping plate arranged inside the gas-liquid separation device tank body, wherein the gas-liquid separation device separates hydrogen and liquid produced by water electrolysis by means of gravity; the outer periphery of the damping plate is in contact with the inner wall of the gas-liquid separation device, and by arranging the damping plate in the tank body of the gas-liquid separation device, sloshing of liquid in the tank body is reduced.

[0007] Preferably, the gas-liquid inlet is arranged on the side of the tank body of the gas-liquid separation device, the gas outlet is arranged on the upper part of the tank body of the gas-liquid separation device, and the liquid outlet is arranged on the lower part of the tank body of the gas-liquid separation device.

[0008] Preferably, the damping plate is provided with a plurality of circular holes for upward and downward liquid circulation.

[0009] Preferably, the damping plate is arranged below the liquid surface and close to the free liquid surface, which can increase damping and further suppress liquid level sloshing.

[0010] Preferably, the damping plate may adopt different types of damping plates, including but not limited to single-layer plates, multi-layer plates, and multi-porous plates.

[0011] Furthermore, the present invention also provides a liquid level suppression method for a gas-liquid separation device, the method comprising: setting a damping plate inside a tank body of the gas-liquid separation device, the outer periphery of the damping plate being in contact with an inner wall of the gas-liquid separation device to reduce sloshing of liquid in the tank body.

[0012] Compared with the prior art, the present invention achieves the purpose of anti-rolling of the liquid tank by arranging a damping plate of a certain shape inside the liquid tank of the gas-liquid separation device, provides a method for suppressing the liquid level sloshing problem of the gas-liquid separation device of the offshore hydrogen production system, and has important guiding significance for the efficient development of new energy hydrogen production. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Other features, objects and advantages of the present invention will become more apparent from the detailed description of non-limiting embodiments made with reference to the following drawings:

[0014] Figure 1 It is a schematic diagram of the gas-liquid separation device of the present invention;

[0015] Figure 2 Another schematic diagram of the gas-liquid separation device of the present invention;

[0016] Figure 3 The comparison diagram of the water level in the separator tank under sinusoidal excitation rolling with and without the damping plate attached;

[0017] Figure 4 The figure is a comparison of the flow field changes in the separator tank with and without an additional damping plate. DETAILED DESCRIPTION

[0018] The present invention is described in detail below in conjunction with specific embodiments. The following embodiments will help those skilled in the art to further understand the present invention, but are not intended to limit the present invention in any form. It should be noted that, for those of ordinary skill in the art, several changes and improvements can also be made without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0019] Specifically, the present invention provides a gas-liquid separation device, such as Figure 1 and Figure 2As shown, the gas-liquid separation device includes a gas-liquid separation device tank body 2, a gas outlet 1, a liquid outlet 3, a gas-liquid inlet 4 and a damping plate 5, wherein the gas-liquid inlet 4 is arranged on the side of the gas-liquid separation device tank body 2, the gas outlet 1 is arranged on the upper part of the gas-liquid separation device tank body 2, and the liquid outlet 3 is arranged on the lower part of the gas-liquid separation device tank body 2. The gas-liquid separation device separates hydrogen and liquid produced by water electrolysis by gravity.

[0020] The damping plate 5 is arranged in the tank body of the gas-liquid separation device, and the outer periphery of the damping plate 5 is in contact with the inner wall of the gas-liquid separation device. The damping plate 5 is provided with a plurality of circular holes for the upward and downward flow of liquid. By arranging the damping plate in the liquid tank of the gas-liquid separation device, the sloshing of liquid in the tank body is reduced.

[0021] Furthermore, according to the actual sloshing degree and requirements of the gas-liquid separation device, the damping plate 5 is arranged below the liquid surface, as close to the free liquid surface as possible, which can increase damping and further reduce the sloshing of the liquid tank. In an optional embodiment, according to the actual liquid level sloshing degree and requirements of the gas-liquid separation device, the damping plate is not limited to a single-layer plate, and different types of damping plates can be used, such as a multi-layer plate, a multi-porous plate, etc.

[0022] Figure 3 The comparison diagram of the water level in the separator tank under sinusoidal excitation rolling with and without the damping plate is shown in the figure. Figure 4 The comparison diagram of the flow field change of the separator tank after adding the damping plate. Figure 3 and Figure 4 It can be seen that under the condition of additional damping plate, the sloshing water level in the liquid tank of the gas-liquid separation device is significantly reduced, and the water level suppression effect of the liquid tank of the gas-liquid separation device is significant after adding the damping plate.

[0023] The present invention provides a liquid level suppression method for a gas-liquid separation device, which can suppress the sloshing of a liquid tank when the gas-liquid separation device is operating at sea and avoid potential safety hazards. The method comprises: arranging a damping plate inside a tank body of the gas-liquid separation device, wherein the outer periphery of the damping plate is in contact with the inner wall of the gas-liquid separation device to reduce the sloshing of liquid in the tank body.

[0024] The above describes the specific embodiments of the present invention. It should be understood that the present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes or modifications within the scope of the claims, which does not affect the essence of the present invention. In the absence of conflict, the embodiments of the present application and the features in the embodiments can be combined with each other arbitrarily.

Claims

1. A gas-liquid separation device, characterized in that: The gas-liquid separation device includes a gas-liquid separation device tank body, a gas outlet, a liquid outlet, a gas-liquid inlet arranged on the gas-liquid separation device tank body, and a damping plate arranged inside the gas-liquid separation device tank body. The gas-liquid separation device separates hydrogen and liquid generated by water electrolysis with the help of gravity; the outer periphery of the damping plate is in contact with the inner wall of the gas-liquid separation device, and by arranging the damping plate in the tank body of the gas-liquid separation device, the sloshing of liquid in the tank body is reduced.

2. The gas-liquid separation device according to claim 1, characterized in that: The gas-liquid inlet is arranged at the side of the tank body of the gas-liquid separation device, the gas outlet is arranged at the upper part of the tank body of the gas-liquid separation device, and the liquid outlet is arranged at the lower part of the tank body of the gas-liquid separation device.

3. The gas-liquid separation device according to claim 1, characterized in that: The damping plate is provided with a plurality of circular holes for upward and downward liquid circulation.

4. The gas-liquid separation device according to claim 1, characterized in that: The damping plate is arranged below the liquid surface and close to the free liquid surface, which can increase damping and further suppress liquid level sloshing.

5. The gas-liquid separation device according to claim 1, characterized in that: The damping plate may adopt different types of damping plates, including but not limited to a single-layer plate, a multi-layer plate, and a multi-porous plate.

6. A method for suppressing liquid level in a gas-liquid separation device, characterized in that: The method comprises: arranging a damping plate inside a tank body of a gas-liquid separation device, wherein the outer periphery of the damping plate is in contact with the inner wall of the gas-liquid separation device to reduce sloshing of liquid in the tank body.

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