Drying-chamber heating system for solar heat pump

Abstract

The invention discloses a drying-chamber heating system for a solar heat pump. The drying-chamber heating system comprises a solar evaporator device, a dehumidifying waste heat recovery device and a curing barn, wherein the curing barn consists of a drying chamber and a hot air chamber; the hot air chamber is divided into an air supply chamber, a condensation chamber and an air return chamber by partitions; the solar evaporator device is connected with the outer wall of the hot air chamber; evaporator components are arranged at the upper part of the solar evaporator device and consist of coil pipes and evaporation fins; the coil pipes are of multi-layer framework structures; the two sets of coil pipes are connected end to end to form a closed tower structure; the evaporation fins are of wavy sheet structures; the dehumidifying waste heat recovery device consists of a total heat exchanger, an air return channel, a dehumidification air channel, a moisture removal air channel and an axial-flow fan; and the total heat exchanger is arranged in a tank body of the solar evaporator device. The drying-chamber heating system can absorb solar energy and air heat energy in a multi-angle and multidimensional manner, is reasonable in structure and high in practicability and is energy-saving and environment-friendly, the heat-absorbing areas of the evaporation fins are effectively increased, and heat can be reutilized.

Description

technical field [0001] The invention relates to the technical field of solar energy utilization, in particular to a heating system for a solar heat pump drying room. Background technique [0002] my country is rich in fruit and vegetable resources. With the increase of people's demand for high-quality convenience food and the rapid development of the export industry, the drying and processing of various fruits and vegetables such as grapes, apples, peppers, bamboo shoots, and shiitake mushrooms is becoming more and more popular. However, the storage, fresh-keeping, drying, grading and other post-harvest primary processing facilities in my country's current fruit and vegetable production areas are very simple, primitive methods, and backward technology, resulting in high post-harvest loss rates for farmers' stored grain, vegetables, and fruits. Hot air drying is the most widely used technology in fruit and vegetable drying. The drying room has simple facilities, low cost, and...

AI Technical Summary

Problems solved by technology

Heat pump technology is a new type of energy-saving cooling and heating technology. The heating system mainly based on solar direct heating and supplemented by air source heat pump has attracted more and more attention. Because the sun's azimuth and sun's altitude change with seasons and daytime changes, it causes problems such as unstable heating and low solar energy utilization efficiency.

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