Flow and heat transfer process numerical simulation analysis method of hot air drum type phoenix single fir tea leaf fixation machine

A technology of numerical simulation and heat transfer process, applied in CAD numerical modeling, pre-extraction tea processing, electrical digital data processing, etc.

Inactive Publication Date: 2021-02-05
SOUTH CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, most of our country adopts hot finishing, by heating rollers or pots and other

Method used

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  • Flow and heat transfer process numerical simulation analysis method of hot air drum type phoenix single fir tea leaf fixation machine
  • Flow and heat transfer process numerical simulation analysis method of hot air drum type phoenix single fir tea leaf fixation machine
  • Flow and heat transfer process numerical simulation analysis method of hot air drum type phoenix single fir tea leaf fixation machine

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0060] In this example, see figure 1 , the hot-air drum type Phoenix Dancong tea greening machine used in this embodiment mainly includes: a heating system, a greening drum, a draft system, a piping system, a feeding system, a heat recovery device and a discharging system. The heating system is The natural air is heated by the heating device, and then the hot air is introduced into the degreening machine by the air induction system to heat and deactivate the tea leaves in the drum; The air system is used to extract the drum; the heat recovery device collects the heat of the waste hot air extracted by the air induction system and reuses it, so as to improve the overall energy utilization rate of the tea greening machine system. The method for numerical simulation analysis of the flow and heat transfer process of the drum-type degreening machine in this embodiment is applicable to the numerical simulation calculation process of the hot-air drum-type Phoenix Dancong tea degreenin...

Embodiment 2

[0109] This embodiment is basically the same as Embodiment 1, especially in that:

[0110] In this embodiment, the hot air drum type Phoenix Dancong tea greening machine system mainly includes: a heating system, a greening drum, a blowing air system, a piping system, a feeding system, a heat recovery device, and a discharging system. This embodiment is a method for numerical simulation analysis of the flow and heat transfer process in the de-greening machine. The computational fluid dynamics software FLUENT is used to analyze the dehydration process of the tea leaves in the drum-type de-greening machine and the accompanying heat transfer with the hot fluid. Numerical calculations were carried out on the quality process, and the obtained results perfected the dehydration mechanism of degreening, which has significant value and important guiding significance for improving the high-efficiency tea degreening process, and to a certain extent, avoids high costs and technical risks ca...

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Abstract

The invention discloses a flow and heat transfer process numerical simulation method of a hot air drum type phoenix single fir tea leaf fixation machine, and uses the hot air drum type phoenix singlefir tea leaf fixation machine which is scientific and reasonable in structure, good in fixation effect, high in efficiency, low in cost and easy to realize. According to the numerical simulation analysis method for the flow and heat transfer process in the fixation machine, calculation fluid dynamics software FLUENT is adopted for carrying out numerical calculation on the dehydration process of tea leaves in the drum-type fixation machine and the accompanying heat exchange and mass transfer process between the tea leaves and hot fluid, high cost and raw material waste caused by experiments orblind design are avoided, and the method has certain guiding significance for improving the fixation quality of the tea. High cost and technical risks caused by tests or blind design are avoided to acertain extent; programs of the numerical simulation analysis process are easy to implement, and the method has remarkable value in application of the efficient tea leaf fixation process.

Description

technical field [0001] The invention relates to an experimental analysis method of actual working conditions in drying process equipment, in particular to a method for numerical simulation analysis of the flow and heat transfer process of a hot-air drum type Phoenix Dancong tea greening machine, which is applied to the greening process technology field. Background technique [0002] my country is the origin of tea trees and has a long history of tea production. According to data from the National Bureau of Statistics, in 2018, the state-owned tea garden area was 2,985,800 hectares, and the tea picking area was 2,310,760 hectares; the output of tea was 2,610,400 tons. The planting scale of tea in my country ranks first in the world, and the domestic and global tea consumption is generally on the rise every year, so tea trees have high economic value. Tea greening is to destroy and passivate the oxidase activity in fresh tea leaves by high temperature, inhibit the enzymatic ...

Claims

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Application Information

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IPC IPC(8): G06F30/17G06F30/23G06F30/28A23F3/06G06F111/10G06F113/08G06F119/08G06F119/14
CPCG06F30/17G06F30/23G06F30/28A23F3/06G06F2111/10G06F2113/08G06F2119/08G06F2119/14
Inventor 刘少群刘成源郑泽锋曾志亨唐婷马宝淇韩重阳胡智标
Owner SOUTH CHINA AGRI UNIV
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