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Opening type drying tunnel using multi-connected type heat pump

A multi-joint, drying tunnel technology, applied in drying, dryer, lighting and heating equipment, etc., can solve problems such as insufficient heating heat, save plant space, reduce production costs, reduce heat loss and fan power. consumption effect

Inactive Publication Date: 2018-09-07
TONGJI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But using only exhaust air as a single heat source may result in insufficient heat for heating

Method used

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  • Opening type drying tunnel using multi-connected type heat pump
  • Opening type drying tunnel using multi-connected type heat pump

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] An open drying tunnel (air source heat pump) using a multi-connected heat pump, the structure and flow are as follows figure 1 As shown, it includes a drying tunnel 2, a heating assembly 5, an exhaust assembly 6, and a heat pump host 1. Three heating assemblies 5 are arranged along the length of the drying tunnel 2 to provide hot air to the drying tunnel 2. The exhaust assembly 6 is arranged along the drying tunnel. 2. Three are arranged in the length direction, which are used for exhausting the drying tunnel 2. One heat pump host 1 is arranged to connect with each heating assembly 5 and supply heat to each heating assembly 5 respectively.

[0043]Wherein, the heating assembly 5 includes a return air duct 11, a fresh air duct 12, an air supply duct 13, an air supply fan 14 and a heating box 15, and one end of the return air duct 11 is connected with the drying duct 2, and the other end is connected with the supply air duct. Road 13 is connected, one end of fresh air duc...

Embodiment 2

[0056] An open drying tunnel (water source heat pump) using a multi-connected heat pump, the structure and flow are as follows figure 2 shown. Compared with Embodiment 1, in this embodiment, the heat pump host 1 takes heat from water, the evaporator 42 is a refrigerant-water heat exchanger, the heat pump host is provided with a water pump 60, and the water pump 60 passes through the water channel of the water pipe and the evaporator 42 connect. Common types of refrigerant-water heat exchangers such as plate heat exchangers, casing heat exchangers, etc. The heat pump host is connected to the water pipe, and the heat pump cycle absorbs heat from water or solution, and the generated cold energy can be used as chilled water for equipment cooling or air conditioning cold source.

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Abstract

The invention relates to an opening type drying tunnel using a multi-connected type heat pump. The opening type drying tunnel comprises a drying tunnel body, heating assemblies, air exhausting assemblies and a heat pump main machine; and the multiple heating assemblies are arranged in the length direction of the drying tunnel body and are used for providing hot air to the drying tunnel body, the multiple air exhausting assemblies are arranged in the length direction of the drying tunnel body and are used for air exhausting of the drying tunnel body, and the heat pump main machine is connectedwith all heating assemblies and supplies heat to all heating assemblies. Compared with the prior art, on the basis that the heat pump is used as a heat source, the multi-connected type heat pump is adopted, heat exchange components can be scattered to the positions nearby all air openings, the air transmission and distribution losses and energy consumption are reduced, meanwhile, only one heat pump main machine is needed for meeting the needs of the overall drying tunnel body, the cost is low, and the floor space is small.

Description

technical field [0001] The invention relates to an open drying tunnel with fresh air and exhaust air, in particular to an open drying tunnel using a multi-connected heat pump. Background technique [0002] Channel-type continuous material drying tank is widely used in battery manufacturing, printing, packaging and food production, referred to as drying channel. There is a material supporting shaft in the drying channel, on which the material to be dried is supported. The working principle of a type of drying tunnel is that the fresh air from the outside is mixed with the return air from the drying tunnel and then heated by a heating device to form high-temperature and dry air that is sent into the drying tunnel. After the material is heated, the air absorbs the moisture in the material, and the high-humidity exhaust gas is discharged out of the drying tunnel through the exhaust fan. This kind of drying tunnel with fresh air and exhaust air is called an open drying tunnel. ...

Claims

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Application Information

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IPC IPC(8): F26B21/00F26B21/04
CPCF26B21/002F26B21/004F26B21/04
Inventor 张春路曹祥刘洪鑫梁星宇邵亮亮
Owner TONGJI UNIV
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