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An Optimal Design Method for the Air Inlet Pipeline System of the Oven of a Gravure Printing Machine

An air inlet duct and optimization design technology, applied in computer-aided design, design optimization/simulation, calculation, etc., can solve problems such as uneven wind speed and increased energy consumption of the oven, so as to achieve simple and clear design methods and reduce energy consumption Loss, the effect of improving uniformity

Active Publication Date: 2021-05-25
XIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing gravure printing machine oven air inlet duct system design generally adopts empirical design method, without optimal design, but the designed oven is prone to eddy currents, resulting in uneven speed of air entering the oven, increasing energy consumption

Method used

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  • An Optimal Design Method for the Air Inlet Pipeline System of the Oven of a Gravure Printing Machine
  • An Optimal Design Method for the Air Inlet Pipeline System of the Oven of a Gravure Printing Machine
  • An Optimal Design Method for the Air Inlet Pipeline System of the Oven of a Gravure Printing Machine

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Embodiment 1

[0070] This embodiment provides an optimal design method for the air inlet duct system of the gravure printing machine oven, which is specifically implemented according to the following steps:

[0071] Step 1: Design the structure of the oven inlet duct system according to the space of the gravure printing machine, the size of the oven body and the selection of the fan, and determine the structure and size of the heater, inlet duct, return duct and lumen, or directly from the enterprise Obtain the structure of the oven inlet duct system to be optimized;

[0072] Step 2: Use 3D design software to model the fluid domain of the air inlet duct system designed in step 1. The model is as follows figure 1 As shown, and then use the grid processing software GAMBIT to discretize the fluid domain;

[0073] Step 3: Use the fluid simulation software to set boundary conditions for the fluid domain discretized in Step 2, including velocity inlet: velocity is 30m / s, pressure outlet: static ...

Embodiment 2

[0082] This embodiment provides an optimal design method for the air inlet duct system of the gravure printing machine oven, which is specifically implemented according to the following steps:

[0083] Step 1: Design the structure of the oven inlet duct system according to the space of the gravure printing machine, the size of the oven body and the selection of the fan, and determine the structure and size of the heater, inlet duct, return duct and lumen, or directly from the enterprise Obtain the structure of the oven inlet duct system to be optimized;

[0084] Step 2: Use 3D design software to model the fluid domain of the air inlet duct system designed in step 1, and then use the grid processing software GAMBIT to discretize the fluid domain;

[0085] Step 3: Use the fluid simulation software to set boundary conditions for the fluid domain discretized in Step 2, including velocity inlet: velocity is 30m / s, pressure outlet: static pressure is 101325pa, wall condition: no-sli...

Embodiment 3

[0093] This embodiment provides an optimal design method for the air inlet duct system of the gravure printing machine oven, which is specifically implemented according to the following steps:

[0094] Step 1: Design the structure of the oven inlet duct system according to the space of the gravure printing machine, the size of the oven body and the selection of the fan, and determine the structure and size of the heater, inlet duct, return duct and lumen, or directly from the enterprise Obtain the structure of the oven inlet duct system to be optimized;

[0095] Step 2: Use 3D design software to model the fluid domain of the air inlet duct system designed in step 1, and then use the grid processing software GAMBIT to discretize the fluid domain;

[0096] Step 3: Use the fluid simulation software Fluent to set boundary conditions for the fluid domain discretized in step 2, including velocity inlet: velocity is 30m / s, pressure outlet: static pressure is 101325pa, wall conditions...

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Abstract

The invention discloses a method for optimizing the design of the air inlet pipeline system of a gravure printing machine, which is specifically implemented according to the following steps: Step 1: designing the structure of the oven air inlet pipeline system; Step 2: building a fluid domain Step 3: Display and analyze the calculation results of the flow field; Step 4: Select components with obvious eddy current characteristics; Step 5: Determine the design structure of the final oven inlet duct system. The invention is simple and clear, easy to apply and strong in implementability; the air inlet duct system of the oven designed by the invention improves the uniformity of the air inlet speed of the oven and reduces the energy loss of the air inlet duct system.

Description

technical field [0001] The invention belongs to the field of printing equipment, and relates to an optimal design method for an air inlet duct system of an oven of a gravure printing machine. Background technique [0002] At present, the ovens of most gravure printing machines are located between each printing unit, and the hot air blown out by rows of nozzles dries the printing ink on the roll material substrate or substrate. Among them, the air inlet pipeline system of the gravure printing machine oven is composed of fans, heaters, air inlet pipes, return air pipes, pipe chambers and other parts, and undertakes the work of conveying hot air to the oven. The new air and the hot air for secondary use are heated by the heater and sent to the oven through various forms of pipelines. Existing gravure printing machine oven air intake duct system design generally adopts empirical design method without optimal design, but the designed oven is prone to eddy currents, resulting in ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F30/20G06F30/17G06T17/00G06F113/14
CPCG06F30/17G06F30/20
Inventor 刘澎张海燕
Owner XIAN UNIV OF TECH
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