The utility model belongs to the field of catalytic reaction equipment, and relates to a photocatalytic fixed
nitrogen generating and collecting device which comprises a fixed seat, a front clamping position, a rear clamping position and a panel, and a water bucket and a product collecting bucket are further arranged in the fixed seat; the bottom of the panel is in contact with the front clamping position and the rear clamping position, the panel comprises a reaction generation part on the left side and a
solar light panel part on the right side, and an S-shaped transparent glass
test tube is embedded in the reaction generation part; the S-shaped transparent glass
test tube is respectively communicated with the water bucket, the product collecting bucket and the nano bubble generator through a first rubber connecting tube, a second rubber connecting tube and a third rubber connecting tube; the two ends of the reaction generation part on the left side are further provided with semi-arc-shaped light gathering covers, and the reaction generation part is further fixedly provided with a plurality of LED
ultraviolet lamps along the S-shaped curve of the S-shaped transparent glass
test tube and on the light gathering covers. When the weather is bad, the condensation structure is used for supplementing light for the reaction, and
solar energy can be better utilized for improving the
nitrogen fixation performance of the
system.