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Heat pump electrostatic combined drying system and working method thereof

An electrostatic composite and drying system technology, applied in the field of electrostatic drying, can solve the problems of unsatisfactory food drying effect, poor food quality, high heating power, etc., and achieve the effect of good drying quality of materials, accelerated drying process, and accelerated evaporation

Pending Publication Date: 2019-11-12
ZHONGYUAN ENGINEERING COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional electric heater wire heating is to use the principle of electric resistance to generate heat, so that its thermal efficiency cannot be greater than 1, which leads to a larger heating power and more energy consumption, and the effect of traditional hot air drying on food drying is not good. Not ideal, the quality of the dried food is poor

Method used

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  • Heat pump electrostatic combined drying system and working method thereof
  • Heat pump electrostatic combined drying system and working method thereof
  • Heat pump electrostatic combined drying system and working method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Such as figure 1 As shown, the present invention provides a heat pump electrostatic composite drying system, including a heat pump system, an electrostatic generating system and a circulating air system; the heat pump system includes an air-cooled condenser 2, an air-cooled evaporator 4 and a miniature compressor 1 , the electrostatic generation system includes an electrostatic generator 7 and an electrostatic plate 6. In addition to the air-cooled condenser 2 and the air-cooled evaporator 4, the circulating air system also includes an electric heater 5, a drying oven 8, a fan Ⅰ 9 and a fan Ⅱ 12, the effect diagram See image 3 .

[0029] In the heat pump system, an expansion valve 3 is provided between the air-cooled condenser 2 and the air-cooled evaporator 4, the outlet of the micro compressor 1 is connected to the air-cooled condenser 2, and then the refrigerant enters the air-cooled evaporation through the expansion valve 3 The device 4 returns to the inlet of th...

Embodiment 2

[0038] Such as figure 2 As shown, the present invention provides a heat pump electrostatic composite drying system. The drying box 8 is provided with upper and lower tuyeres, which are tuyere I11 and tuyere II10 respectively. II10 is arranged oppositely, and fan I9 is ​​arranged oppositely to tuyere I11. The air valve I13, air-cooled evaporator 4, fan I9 and tuyere I11 are arranged on the same horizontal plane; the air valve II14, air-cooled condenser 2, electric heater 5, fan II12 and tuyere II10 are arranged on the same horizontal plane. Other structures are the same as in Embodiment 1, and the effect diagram is shown in Figure 4 .

[0039] The working principle of the air supply system described in this embodiment is as follows: in the circulating air system, the fresh air is heated by the air-cooled condenser 2 after passing through the air valve II14, and then enters the drying box 8, and after drying the materials in the drying box 8, Waste heat is recovered through...

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Abstract

The invention relates to the field of electrostatic drying, in particular to a heat pump electrostatic combined drying system and a working method thereof. The heat pump electrostatic combined dryingsystem comprises a heat pump system, a static electricity generation system and a circulating air system. The heat pump system comprises an air-cooled condenser, an air-cooled evaporator and a micro-compressor. The static electricity generation system comprises a static electricity generator and an electrostatic plate. The circulating air system internally comprises an electric heater, a drying oven, a fan I and a fan II as well as an air-cooled condenser and an air-cooled evaporator. According to the heat pump electrostatic combined drying system and the working method thereof, an electric heater system in a traditional drying machine is replaced with a heat pump; compared with a traditional electric heater, the heat pump system is better in energy saving effect; an electrostatic drying device is additionally arranged, the diffusing speed, towards the surface, of water molecules can be increased through electrostatic drying, evaporation of water on the surface of food is accelerated,thus the drying process is accelerated, and the material drying quality is good.

Description

technical field [0001] The invention relates to the field of electrostatic drying, in particular to a heat pump electrostatic composite drying system and a working method thereof. Background technique [0002] The food dryer equipment is also called the mesh belt dryer. It distributes the materials to be processed on the conveyor belt through a suitable spreading mechanism, such as a star distributor, a swing belt, a pulverizer or a granulator. ,The conveyor belt passes through a channel composed of one or several heating units, each heating unit is equipped with an air heating and circulation system, each channel has one or several dehumidification systems, when the conveyor belt passes, the hot air flows from top The material on the conveyor belt is passed down or from bottom to top, so that the material can be dried evenly. The traditional electric heater wire heating is to use the principle of electric resistance to generate heat, so that its thermal efficiency cannot b...

Claims

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Application Information

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IPC IPC(8): F26B3/34F26B21/02F26B21/08F26B21/10F26B23/04F25B30/02
CPCF26B21/02F26B23/04F25B30/02F26B21/08F26B21/10F26B3/34Y02P60/85
Inventor 孟照峰刘寅高龙闫俊海于彰彧王烽先王航
Owner ZHONGYUAN ENGINEERING COLLEGE
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