Spore powder collection method, spore powder collection apparatus and brushing machine

Abstract

The invention discloses a spore powder collection method, a spore powder collection apparatus and a brushing machine. The spore powder collection method comprises the following steps: a fungi bed is sent into a first cyclone separator by a sucking conveying material-collector, and a light material is collected by a pulse deduster to obtain spore powder; a heavy material is conveyed to the brushing machine, and a fine material screened by the brushing machine is sent into a fourth cyclone separator; a thick material screened by the brushing machine is sent into a second cyclone separator; a heavy material separated by the second cyclone separator is sent into a pulverizer, and a pulverized material is sent into a third cyclone separator; and the light material of each cyclone separator is conveyed to a pulse deduster via a blower fan by negative pressure, and the spore powder is collected by the pulse deduster. According to the method, a segmented multistage separation manner comprising first, cyclone separation, then kneading and brushing screening, again, cyclone separation, and cyclone separation of the heavy material after pulverizing is used to ensure that the collected spore powder can reach 160-180 billion / g, the living spore rate reaches 85-90%, and spore extracted from residue is only 400 million / g, so that separating extraction is very sufficient.

Description

Technical field [0001] The invention relates to the field of microbial spore collection, in particular to a method and device for collecting spore powder and a brushing machine. Background technique [0002] Beauveria bassiana is an entomogenous fungus of imperfect fungi. It has vegetative organs-hyphae and reproductive organs-conidia. The hyphae have transverse septa and branches. Beauveria bassiana has a wide range of distribution. Beauveria bassiana has been found in mountains from several meters above sea level to more than 2000 meters. Beauveria bassiana can invade 6 orders and 15 families of more than 200 insects and mites to multiply. Continuous production of Beauverin (macrocyclic lipid toxin) and calcium oxalate crystals, these substances can cause insect poisoning, change the body fluid function, disrupt the metabolism and cause death. [0003] Metarhizium is a broad-spectrum insect pathogen of Ascomycota, Hypophyllales, Ergotaceae, and Metarhizium anisopliae. Its pest c...

AI Technical Summary

Problems solved by technology

However, pre-crushed medium particles will increase the burden of separation, and it is prone to dead ends in stirring. When the amount of material added is large, the stirring energy consumption is high, the overall production efficiency is not high, and it is not suitable for large-scale production.

The fungal spore separator of Chinese patent document 200510047737.X first circulates the solid particle material in the early stage of separation to fully separate the fungal spores from the culture medium, and then uses the cyclone separator to separate and collect the spores from the introduced spore-containing air flow. Its structure It is relatively simple and the separation speed is fast. The problem is that the solid particle material still contains a large number of spores, and the utilization rate is not high.

The existing problem is that the separation of solid medium particles and spores is not thorough enough, and the spore content of solid medium particles in the remaining material is relatively high, resulting in a large waste, and is not suitable for large-scale industrial production

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