Internal absorption type solar drier

Abstract

The invention discloses an internal absorption type solar drier. The internal absorption type solar drier comprises a solar heat collecting device, a drying box and a control system, wherein phase change energy storage drawers, material drying drawers, a cross flow waste heat recovery exchanger and adsorption dehumidification drawers are sequentially arranged inside the drying box from top to bottom; a partition is arranged between the phase change energy storage drawers, the material drying drawers, the cross flow waste heat recovery exchanger and the adsorption dehumidification drawers and the back inner wall of the drying box; the partition and the back inner wall of the drying box define a preheated air flow channel; a circulating fan is arranged at the bottom of the drying box; the bottoms of the drawers are screen-shaped; a phase change energy storage material is placed in the phase change energy storage drawers; a to-be-dried material is placed in the material drying drawers; an adsorption dehumidification material is placed in the adsorption dehumidification drawers; the cross flow waste heat recovery exchanger is provided with an air inlet and an exhaust hole; heat superconducting finned tubes in the solar heat collecting device are positioned inside vacuum heat collecting pipes; the vacuum heat collecting pipes are obliquely arranged; the bottom ends of the vacuum heat collecting pipes are connected with pipe holders and are supported by a bracket; the top ends of the vacuum heat collecting pipes are hermetically connected with the upper part of the drying box; and the heat superconducting finned tubes stretch into the preheated air flow channel inside the drying box.

Description

technical field [0001] The invention relates to an internal absorption solar dryer, which uses solar energy to dry materials in agricultural and pastoral areas at medium and low temperatures through thermal superconducting heat transfer technology, phase change energy storage technology and adsorption dehumidification technology, and belongs to the technical field of drying equipment. Background technique [0002] Solar drying technology is a drying and dehydration technology combined with solar energy utilization technology and drying operation unit technology. Compared with the traditional drying technology, this technology introduces solar energy utilization technology into the drying process, and is applied to the drying process of pasture, grain, seeds, Chinese and Mongolian medicine, food, etc., which not only saves energy, but also protects the environment, and is especially suitable for remote and energy-scarce areas. The material obtained by this drying technology h...

AI Technical Summary

Problems solved by technology

At present, domestic artificial pasture drying equipment mainly includes drum type forage dryer, 93QH series coal-fired pasture drying unit, 93QH series drying unit, 93QH1000 fuel (gas) pasture drying unit, all of which use fuel oil, coal and gas as the main Energy, so the cost of pasture after drying is high, industrialization is difficult, and economic benefits are not obvious

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