Multi-stage hennery air purification equipment
A technology of one-stage purification and air, applied in the field of multi-stage air purification equipment in chicken houses, can solve the problems of poor ventilation conditions, high civil construction investment, poor feeding conditions, etc., and achieve the goal of reducing air pollution, improving air quality and delaying fermentation speed. Effect
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Embodiment 1
[0035] Such as figure 1As shown, a multi-stage purification equipment for air in a chicken house includes a connected circulating air chamber one 1 and a circulating air chamber two 2, the circulating air chamber one 1 is arranged vertically, and the circulating air chamber two 2 is arranged horizontally, The diameter of circulating air chamber one 1 is smaller than the diameter of circulating air chamber two 2. Several purification nets are arranged in circulating air chamber two 2, and the purification nets are arranged along the vertical direction. The mesh includes an upper layer, a middle layer and a lower layer fixedly connected, the upper layer has a pore size of 0.5 μm, the middle layer has a pore size of 0.1 μm, and the lower layer has a pore size of 0.5 μm. Two suction pumps 9 are arranged mirror-symmetrically on the outer wall of the circulating air cavity-1. Aspirating pump 9 communicates with circulating air chamber 1 internally, and the inlet and outlet of aspir...
Embodiment 2
[0038] polyaldehyde foam Synthesized by:
[0039] First vacuum dehydrate the polyether glycol, and then add polyacetal resin, dimethylol propionic acid and triethylamine in a molar ratio of 1:1.5:0.5:0.2 to the four In the mouth bottle, close the feeding port. Keep the temperature in a water bath at 50°C for 30 minutes until the reaction materials are completely dissolved, then add isophorone diisocyanate with a molar ratio of 1:0.8, react at 75°C for 2-3 hours, and determine by di-n-butylamine titration At the end of the reaction, cool down to 70°C, add 1,4-butanediol and polyoxyethylene ether at a molar ratio of 1:1:1.2 for chain extension reaction for 2 hours, and add 2.5% (mass ratio) of trimethylolpropane for crosslinking Modified for 1 hour to obtain a polyurethane prepolymer, add 20% mass ratio of acetone during the reaction to adjust the viscosity, cool the prepolymer to 40°C and transfer it to a dispersion bucket, add water to emulsify under high-speed stirring, an...
Embodiment 3
[0041] The preparation method of 3-aminotriethoxysilane-nanometer silicon is as follows:
[0042] Weigh 300 mg of Si nanoparticles (particle size 70-90 nm) and ultrasonically disperse them into 50 mL of absolute ethanol, add 10 mL of 3-aminotriethoxysilane dropwise, after ultrasonic treatment, heat at reflux at 70 °C for 3 h. The excessive 3-aminotriethoxysilane is removed through several times of centrifugation and washing to obtain 3-aminotriethoxysilane-nano silicon.
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