Gas liquid mixing apparatus and application method thereof

Abstract

The invention provides a gas liquid mixing apparatus and an application method thereof. The gas liquid mixing apparatus comprises a liquid inlet pipe (19) and a gas inlet pipe (17), and is characterized in that the gas liquid mixing apparatus also includes a gas distributor pipe (3) and a drive unit. One end of the gas inlet pipe (17) is equipped with a plurality of first gas spray orifices (18),which are inserted into liquid inlet pipe (19); the gas distributor pipe (3) is sleeved in the gas inlet pipe (17) and is equipped with a plurality of second gas spray orifices (2) on corresponding positions of the first gas spray orifices (18) at one end; the drive unit drives the gas distributor pipe (3) to move, so as to adjust relative positions of the first gas spray orifices (18) and the second gas spray orifices (2). The gas liquid mixing apparatus of the present invention can rapidly cut out gas feed when gas lateral pressure and flow are reduced, so as to guarantee no backflow.

Description

technical field [0001] The invention belongs to equipment in the field of gas-liquid mixing, which is used for mixing gas and liquid, and is especially suitable for mixing gas and solid-containing liquid. Background technique [0002] The mixing of gas and liquid is usually achieved by a gas-liquid mixer, so as to ensure the dispersion of gas in the liquid and the mixing effect between the gas and liquid phases. In general, the core component of the gas-liquid mixer is the gas distribution plate. There are a certain number of gas nozzles on the gas distribution plate. The gas passes through the gas distribution plate from the gas phase pipeline and mixes with the liquid. As well as making the bubbles smaller and redistributed, the mixing effect between the gas-liquid two phases can be ensured. At present, this type of gas-liquid mixer is generally used in the occasion of gas-liquid two-phase mixing in industrial equipment. [0003] Although the gas-liquid mixing device of ...

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Problems solved by technology

[0003] Although the gas-liquid mixing device of the prior art is simple in structure, the gas-liquid mixing device ensures the gas-liquid mixing effect through the number and size of the openings of the gas distribution plate, and the gas-liquid mixing device of the prior art has the following disadvantages: Many problems: the number of openings and the distribution method of the gas distribution plate are limited; the gas distribution plate is generally arranged on the gas side, which affects the gas-liquid mixing effect to a certain extent; for solid-containing liquids, if the pressure and flow rate on the gas side decrease , the liquid is prone to backflow, resulting in blockage of the gas pipeline

However, these improvements to the gas-liquid mixing method cannot effectively prevent the backflow of the liquid phase while ensuring the effective mixing of gas and liquid, and the structure is relatively complicated. Once the gas outlet is blocked, it is difficult to detect and maintain

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