Micro-nano gas-liquid mixing preparation device and preparation method of micro-nano bubbles
A gas-liquid mixing and preparation device technology, applied in mixing methods, mixers, fluid mixers, etc., can solve problems such as difficulty in meeting large flow and uniform operating conditions, and achieve the effect of improving quality and improving environmental protection.
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[0061] The present invention also proposes a method for preparing the aforementioned micro-nano-scale gas-liquid mixing preparation device, including:
[0062] Step 1, feeding liquid into the input port of the input cover, and feeding gas into the air inlet of the input cover;
[0063] Step 2, first adjust the pressure value of the gas to the first pressure value, and then adjust the pressure value of the liquid to the second pressure value;
[0064] Step 3, adjusting the overlapping area of the first flow hole and the second flow hole, adjusting the flow rate to the first flow rate value, and discharging the mixed liquid containing micro-sized bubbles and nano-sized bubbles.
[0065] In the actual preparation process, the first pressure value in step 2 may be 0.5MPa-0.8MPa, and the second pressure value may be 0.5MPa-0.8MPa. In Step 3, the first flow value may be 5L / min-15L / min. The circulation time of the liquid in step 4 can be selected as 15min-25min. The standing tim...
Embodiment 1
[0070] Implementation conditions: a group of bubble generating devices is installed in the outer cabin, the pressure of the liquid and the gas are the same, the porosity of the inner ceramic tube is the same as that of the middle ceramic tube, and the wall thickness of the inner ceramic tube and the middle ceramic tube is the same.
[0071] Step 1: Liquid: water; liquid pressure: 0.5MPa; gas: compressed air; gas pressure: 0.5MPa; internal ceramic tube porosity 2000 mesh, intermediate ceramic tube porosity 2000 mesh, internal ceramic tube and intermediate ceramic tube The length of the tube is 150mm, and the wall thickness is 3mm;
[0072] Step 2: Connect the liquid in step 1 to the input port, and the gas to the intake pipe to ensure no leakage;
[0073] Step 3: First adjust the opening of the gas to 0.5MPa, and then stabilize the opening pressure of the liquid at 0.5MPa;
[0074] Step 4: Adjust the coincidence degree of the porous structure of the annular array, and control ...
Embodiment 2
[0080] Implementation conditions: a group of gas generating devices is installed in the outer cabin, and on the basis of the first embodiment, the pressure of the gas is increased, the porosity of the intermediate ceramic tube is increased, and the flow rate is reduced.
[0081] Step 1: Liquid: water; liquid pressure: 0.5MPa; gas: compressed air; gas pressure: 0.8MPa; internal ceramic tube porosity 2000 mesh, intermediate ceramic tube porosity 3000 mesh, internal ceramic tube and intermediate ceramic tube The length of the tube is 150mm, and the wall thickness is 3mm;
[0082] Step 2: Connect the liquid in step 1 to the input port, and the gas to the intake pipe to ensure no leakage;
[0083] Step 3: First adjust the opening of the gas to 0.8MPa, and then stabilize the opening pressure of the liquid at 0.5MPa;
[0084] Step 4: Adjust the coincidence degree of the annular array porous structure, and control the flow rate at 5L / min;
[0085] Step 5: Circulate 20L of water for ...
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Abstract
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