Evaluate the technical and economic basis of drying equipment

How to evaluate drying equipment is a comprehensive problem that can be evaluated mainly in terms of its technical and economic aspects.

Evaluating the economics of drying equipment is mainly based on the economic benefits and overall costs of equipment use. *, the service life of a set of drying equipment is often several years or longer, the price of equipment is only a fixed fee, and the main factor affecting the economic benefits of the equipment during the life cycle is variable cost. During the operation period of the drying equipment, the profit is the income during the period of use minus the fixed and variable expenses of the equipment. The fixed fee refers to the depreciation and loan interest of the equipment, etc. The variable expenses refer to the raw material cost, operation cost and maintenance cost. Since depreciation and interest are constant, the real impact on the equipment revenue is the variable cost, and the variation cost of different drying equipment is very different, so the raw material cost, operation cost and maintenance cost of the equipment are the basis for evaluating the drying equipment. Second, it is necessary to combine the dry materials of the equipment and the batch to assess the drying cost of the materials, taking into account the impact of equipment energy-saving ways, waste heat recovery and environmental protection on drying costs. Therefore, the overall cost of drying equipment is also the basis for evaluating drying equipment.

The technical evaluation of drying equipment is mainly based on the processing quality and energy utilization rate of the equipment.

*, the energy efficiency of drying equipment is an important indicator to measure the strength of a drying process or drying equipment. The energy utilization rate of a so-called drying device refers to the ratio of the energy required to remove moisture from the device to the energy supplied to the device. It is generally believed that the energy utilization of the drying equipment depends on the initial and zui final temperatures of the drying medium, the ambient temperature and moisture content, the heat supplied and lost, and the circulation of the exhaust gases. The heat supplied to the drying equipment mainly includes three parts: the heat required for evaporation of water, the heat required for heating the material, and heat loss. When evaluating drying equipment, the energy efficiency of the drying equipment is an important basis for evaluating drying equipment.

Second, there are many application industries for drying equipment, and each industry has its own particularity. There are specific requirements for the material, structure and processing quality of drying equipment. Therefore, manufacturers are required to provide drying equipment with high processing quality to meet the requirements of drying equipment in various industries. Processing quality is an important basis for evaluating drying equipment.

(Source: China Drying Equipment Network)

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