Corn pollen self-disturbance normal temperature variable pressure active dehumidification device and dehumidification method using it

Abstract

The invention relates to the technical field of dehumidifying devices, and discloses a self-perturbing room temperature variable pressure active dehumidifying device for maize pollen and a dehumidifying method adopting the same. The dehumidifying device has the main technical characteristics by comprising a vacuum pump, wherein the vacuum pump is connected with a precipitating bottle through a first suction tube; the precipitating bottle is connected with a suspending bottle through a connecting tube; a 100-mesh stainless steel screen is arranged at the lower part of the suspending bottle; the bottom of the suspending bottle is connected with a pollen inlet tube; the vacuum pump is connected with a deflating valve of a sterilizing pot through a second suction tube; a pressure controller is arranged at a pressure meter connector of the sterilizing pot; an electrically controlled reversing valve is arranged at a safety valve connector of the sterilizing pot; the pressure controller is connected with the electrically controlled reversing valve; the electrically controlled reversing valve is connected with an air inlet tube. The dehumidifying device adopts the suspending separation method to eliminate dry, old and poor pollen, and the specific proportion is put forward; the pressure control method, instead of the vacuum method, is used to dehumidify maize pollen; variable pressure in stages, instead of constant pressure, is adopted to realize the purpose of protecting pollen grains.

Description

technical field [0001] The invention belongs to the technical field of dehumidification devices, and in particular relates to a corn pollen self-disturbance normal temperature variable pressure active dehumidification device and a dehumidification method using the same. Background technique [0002] Ultra-low temperature cryopreservation technology of active pollen is widely used in long-distance transportation and long-term preservation of germplasm resources, which is of great significance for breeding and resource research. Before ultra-low temperature freezing of pollen, the water content needs to be reduced to prevent the high water content tissue from forming ice crystals during freezing and damaging the pollen cell membrane. Corn is an important crop. Pollen preservation is an important means of resource conservation and breeding. However, its pollen grains are trinuclear pollen grains. At room temperature, its vitality can only last for about one day. 50-60%, the op...

AI Technical Summary

Problems solved by technology

[0005] In the method provided above, direct drying causes less mechanical damage to pollen grains, but takes a long time; although vacuum drying takes a short time, the change in pressure difference is too large, resulting in more pollen damage and affecting vitality

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