Automatic control system of gas jet impact drying machine

An automatic control system, gas jet technology, applied in the direction of drying solid materials, drying, lighting and heating equipment, etc.

Inactive Publication Date: 2013-12-11
CHINA AGRI UNIV
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Problems solved by technology

[0007] The purpose of the present invention is to provide an automatic control system for a gas jet impingement dryer, which can realize automatic weighing of material weight and moisture content detection, precise control of drying temperature, automatic regulation of drying humidity, and automatic drying of wind speed during the drying process. Change and other functions to solve the problems existing in the existing gas jet impingement drying technology and improve the automation and intelligence level of the gas jet impingement drying equipment

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  • Automatic control system of gas jet impact drying machine
  • Automatic control system of gas jet impact drying machine
  • Automatic control system of gas jet impact drying machine

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Embodiment Construction

[0040] The present invention will be further described below in conjunction with accompanying drawing and embodiment:

[0041] figure 1 It is a functional block diagram of the automatic control system of the gas jet impingement dryer of the present invention, including a programmable touch display 1, wherein the programmable touch display 1 includes a man-machine interface and a background program module, so that the programmable touch display 1 is While the system provides man-machine interaction function, it also becomes the control core of the system; among them, the system man-machine interface is used for parameter setting, such as multi-stage drying parameter setting, automatic weighing parameter setting, and is used for real-time display of various data during the drying process , such as temperature and humidity data, wind speed data, material weight data, and moisture content data, used to display the status of each functional part of the dryer, such as dehumidificati...

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Abstract

The invention discloses an automatic control system of a gas jet impact drying machine, and belongs to the technical field of drying machines. The system comprises a programmable touch display screen (1), a single chip microcomputer (2), a weighing sensor (8), a temperature and humidity sensor (11), an air inflow / moisture discharging electromagnetic valve (13), a temperature controller (3), a heating pipe (15), a temperature sensor (16), a frequency converter (4) and a centrifugal fan (17). According to the automatic control system, in a drying process, the functions of automatic weighing of materials, moisture content detection, drying temperature precise controlling, drying temperature automatic regulation, drying air speed automatic conversion and the like can be achieved, the problem that the materials need to be weighed relying on manual work when the moisture content in a product is obtained in the drying process is solved, labor intensity of operating staff is reduced, meanwhile the quality of drying products can be effectively guaranteed, and automatic and intelligent level of gas jet impact drying equipment is improved.

Description

technical field [0001] The invention relates to an automatic control system of a gas jet impingement dryer, which belongs to the technical field of dryers. Background technique [0002] Gas jet impingement drying is a new drying technology. This technology is a drying method that sprays heated gas with a certain pressure through a nozzle of a certain shape and directly impacts the material with it. It has high air velocity, high heat transfer coefficient, The heat transfer rate is controllable and so on. The wind speed, drying temperature and drying humidity in gas jet impact drying have a significant impact on the drying process and the quality of the dried product. Realizing the automatic and precise control of these parameters can effectively ensure the quality of the product while improving the degree of automation of the equipment. Shorten drying time and reduce drying energy consumption. [0003] Moisture content is the primary quality indicator of dry products in ma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F26B25/22
Inventor 高振江王栋林海代建武
Owner CHINA AGRI UNIV
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