Temperature control system for mixed air heating and control method thereof

A temperature control system and control method technology, applied in the direction of combustion control, combustion method, lighting and heating equipment, etc., can solve the problems of low precision, unstable oven temperature control, blank in the field of ultra-high temperature oven temperature control, etc., to achieve reduction Small production cost, cost-saving effect

Active Publication Date: 2022-05-27
XIAN AEROSPACE HUAYANG PRINTING & PACKAGING MACHINERY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of this invention is to provide a temperature control system for mixed air heating, which solves the problem of unstable temperature control and low precision of the existing equipment at high temperatures. Blank issue in the field of ultra-high temperature oven temperature control

Method used

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  • Temperature control system for mixed air heating and control method thereof
  • Temperature control system for mixed air heating and control method thereof
  • Temperature control system for mixed air heating and control method thereof

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Embodiment Construction

[0039] The present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0040] The present invention is a temperature control system for mixed air heating, such as Figure 1 、 2 Shown, comprising a power supply module 1, power module 1 sequentially with the CPU module 2 (CPU module 2 is a CPU module of the PLC), analog input and output module 3 is connected to the rail installed in the distribution cabinet, CPU module 2 controls the cold air electric valve 9 and the natural gas electric valve 14 through the analog input and output module 3, the cold air electric valve 9 controls the size of the cold air entering the primary mixing box 10, the natural gas electric valve 14 controls the amount of natural gas inlet into the combustion furnace 13, Primary mixing box 10 is equipped with a mixing box PT100 thermocouple 7, a mixing box PT100 thermocouple 7 will be the actual temperature in the box through the primary mixing box t...

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Abstract

The invention discloses a mixed air heating temperature control system which comprises a power supply module, the power supply module is connected with a CPU module and an analog quantity input and output module which are installed in a power distribution cabinet, the CPU module is sequentially connected with a fan frequency converter and an air inlet fan, and the analog quantity input and output module is connected with a primary air mixing box, an oven and a natural gas electric valve. The natural gas electric valve is connected with the combustion furnace, and the power module is connected with an HMI. The invention further discloses a control method of the temperature control system for mixed air heating. The problems that the temperature control of an oven is unstable and low in precision at high temperature of existing equipment, and the field of temperature control of an ultra-high-temperature oven is blank are solved.

Description

Technical field [0001] The present invention belongs to the field of gas diffusion layer (GDL) material technology, relates to a temperature control system heated by a mixed air, the present invention further relates to a control method of the control system described above. Background [0002] Since 2020, the state has successively issued a number of policies such as hydrogen energy industry development planning, hydrogen fuel cell technology industry chain development blueprint, hydrogen fuel cell supply construction, etc., to promote the development of hydrogen energy industry. When developing hydrogen energy functional materials, the material will be sintered at high temperature (350-400 °C) or carbonized at ultra-high temperature (900-1800 °C) in the oven, and in order to maintain this temperature, the simple use of traditional natural gas heating as a heat source is costly and energy consumption is high. [0003] In response to the national environmental protection policy, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F26B21/00F26B21/10F26B21/12F23N1/00B05D3/04H01M4/88
CPCF26B21/001F26B21/10F26B21/12F23N1/005B05D3/0413H01M4/8807Y02E60/50
Inventor 唐康张泽灵王弘煜高艳红唐连涛刘阳张京京
Owner XIAN AEROSPACE HUAYANG PRINTING & PACKAGING MACHINERY
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