Silica gel particle ultralow-water-content high-temperature heat pump drying system and control method

A high-temperature heat pump, silica gel particle technology, applied in drying, dryer, granular material drying and other directions, can solve problems such as unfavorable continuous production, low drying efficiency of silica gel particles, etc., to save operating devices and energy consumption, maintain sealing requirements, the effect of reducing energy consumption

Pending Publication Date: 2021-06-01
烟台明辉热泵节能科技有限公司 +1
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Problems solved by technology

[0003] Aiming at the deficiencies in the prior art, the present invention provides a silica gel particle ultra-low moisture content high-temperature heat pump drying system and control method to solve the technical problem in the prior art that the drying efficiency of silica gel particles is low and unfavorable for continuous production

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  • Silica gel particle ultralow-water-content high-temperature heat pump drying system and control method

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Embodiment Construction

[0016] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0017] Refer to attached figure 1 , a high-temperature heat pump drying system for silica gel particles with ultra-low moisture content, including a drying chamber 1 for storing and drying silica gel particles, a vacuum generating mechanism for maintaining the vacuum state of the drying chamber 1, and a heat pump for providing the drying environment inside the drying chamber 1 The drying mechanism increases the vacuum degree in the drying chamber 1 by setting a vacuum generating mechanism, thereby reducing the boiling point of the moisture in the material in the drying chamber 1. By setting the condenser 5 in the drying chamber 1, the refrigeration process in the condenser 5 is used Condensate and release heat, and ...

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Abstract

The invention relates to a silica gel particle ultralow-water-content high-temperature heat pump drying system and a control method, and belongs to the technical field of silica gel particle drying processing. The silica gel particle ultralow-water-content high-temperature heat pump drying system comprises a drying bin, a vacuum generation mechanism for keeping the vacuum state of the drying bin, and a heat pump drying mechanism for providing the drying environment in the drying bin. The vacuum generation mechanism communicates with the drying bin. The heat pump drying mechanism comprises a condenser located in the drying bin. An inlet pipe and an outlet pipe of the condenser penetrate through the wall of the drying bin and then are connected with a compressor, an expansion valve and an evaporator in series. The silica gel particle ultralow-water-content high-temperature heat pump drying system and the control method are used for solving the technical problem that in the prior art, due to the fact that the silica gel particle drying efficiency is low, continuous production is not facilitated.

Description

technical field [0001] The invention relates to a high-temperature heat pump drying system with ultra-low moisture content of silica gel particles and a control method, belonging to the technical field of silica gel particle drying and processing. Background technique [0002] After granulation, the moisture content of silica gel is generally about 80%, and it needs to be dried until the moisture content does not exceed 1%. Generally, the drying is divided into two processes, and the moisture content is reduced from 80% to below 1%. At present, the drying of the second process is relatively difficult because the final moisture content is very low. Most of them use electric heating, which takes a long time to heat and consumes a lot of energy. The energy consumption per ton of products is about 500 kWh, which is greatly reduced. In order to improve the drying efficiency, the production cost is higher. Contents of the invention [0003] Aiming at the deficiencies in the pri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F26B5/04F26B23/00F26B25/00
CPCF26B5/041F26B23/005F26B25/002F26B25/008F26B2200/08
Inventor 韩明磊白树生迟平迟永江
Owner 烟台明辉热泵节能科技有限公司
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