Dehumidification and energy-saving drying device and method

A technology of drying equipment and drying area, which is applied in the direction of drying, drying machine, lighting and heating equipment, etc., and can solve the problems of high energy consumption, moisture return, and long time consumption

Pending Publication Date: 2019-07-05
苏州达善净化科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this drying method not only takes a long time and consumes a lot of energy, but also the dried items still contain a certain amount of water, which leads to the fact that when the items are taken out from the drying area and placed in a normal temperature environment after drying, the temperature of the items drops. There will be a phenomenon of "resurgence"

Method used

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  • Dehumidification and energy-saving drying device and method
  • Dehumidification and energy-saving drying device and method
  • Dehumidification and energy-saving drying device and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0062] Example 1 Dehumidification and energy-saving drying equipment

[0063] Such as Figure 1-3 As shown, a dehumidification and energy-saving drying equipment in this embodiment includes an outer box 1 and an inner box 7, an insulation layer 3 arranged on the outer box 1, a controller 4 located on the outer box 1, and a Caster wheels 15, compressor 14, refrigerant pipeline, refrigerant running in the refrigerant pipeline, drying chamber, heating device for heating gas to form heated gas, and sending heated gas to the drying chamber under the outer box 1 The air supply device 18, the cooling release device for releasing the cooling capacity of the refrigerant, the heat recovery device 20 for recovering heat from the gas discharged from the drying chamber, the cooling device for condensing the gas, and the cooling device for releasing excess heat Heat releasing device, the drying chamber is provided with a drying area 8, the heat recovery device 20 includes a heat recovery d...

Embodiment 2

[0070] Embodiment 2 drying method

[0071] Such as Figure 1-3 As shown, this embodiment provides a drying method according to the dehumidification and energy-saving drying equipment in Embodiment 1. The drying method uses heated gas to dry the articles. The drying method specifically includes the following steps:

[0072] (1) Place the items to be dried in the preset drying zone 8, the drying zone 8 has a heating gas inlet and a heating gas outlet.

[0073] (2) The heating gas is passed into the drying zone 8 from the heating gas inlet, and after the articles in the drying zone 8 are heated, the drying zone 8 is discharged from the heating gas outlet, wherein the heating gas discharged from the drying zone 8 Divided into two shares.

[0074] (3) After dehumidifying and heating one of the two heated gases, it is re-introduced into the drying area. The gas to be dehumidified accounts for 20%-98% of the total volume of the gas output from the drying zone, preferably 30%-50%, ...

Embodiment 3

[0079] Embodiment 3 equipment running process

[0080] In practical application, the working process of dehumidification and energy-saving drying equipment is as follows:

[0081] When the dehumidification and energy-saving drying equipment is first started, it will first operate in the heat pump mode to raise the temperature of the drying zone 8 to the set temperature. The purpose of dry items.

[0082] Specifically, the following processes are included:

[0083] 1. When the equipment is started, the heat pump is used to quickly increase the temperature in the drying area:

[0084] 1. The heat pump operates to rapidly increase the temperature in the drying area, including the following steps:

[0085] (1) The compressor 14 is running to compress the refrigerant to form a high-temperature and high-pressure gaseous refrigerant that is discharged from the exhaust port of the compressor 14. The high-temperature and high-pressure gaseous refrigerant enters the first condensing ...

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Abstract

The invention discloses a dehumidification and energy-saving drying device. The dehumidification and energy-saving drying device comprises a compressor, a refrigerant pipeline connected with the compressor, a refrigerant operating in the refrigerant pipeline, a drying chamber for placing to-be-dried objects, a heating device for heating air to form heated air, an air supply device for delivering the heated air to the drying chamber, a cooling capacity releasing device for releasing the cooling capacity of the refrigerant, a heat recovery device for cooling the heated air discharged from the drying chamber, and a cooling device for condensing and dehumidifying the air; the refrigerant pipeline is provided with a four-way valve, a first expansion valve is arranged between the four-way valveand the cooling capacity releasing device, and a second expansion valve is arranged between the four-way valve and the cooling device; and the heat recovery device comprises a first heat exchange channel and a second heat exchange channel, and the drying chamber is internally provided with a drying area. According to the dehumidification drying device, the cooling capacity and heat are all utilized, and energy saving is more significant.

Description

technical field [0001] The invention belongs to the technical field of drying equipment and a drying method, and in particular relates to a dehumidification and energy-saving drying equipment and a drying method based on the dehumidification and energy-saving drying equipment. Background technique [0002] The existing drying equipment on the market generally uses electric heating directly for heating and drying, or uses a heat pump unit to use the compressor to compress the refrigerant to generate heat, and the heat emitted by the condenser after heat exchange is used for drying. The temperature in the drying area rises to achieve the purpose of drying the articles in the drying area. However, after the air in the drying area is heated, the moisture content of the air increases greatly. Although the humid air in the drying area will be exhausted through sensors or timing settings, and then the outside air will be sucked in to dry and wet the air. air exchange. However, th...

Claims

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Application Information

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IPC IPC(8): F26B9/06F26B21/02F26B21/08F26B21/10F26B25/00
CPCF26B9/06F26B21/002F26B21/02F26B21/08F26B21/10F26B25/00Y02P70/10
Inventor 沈文荣
Owner 苏州达善净化科技有限公司
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