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An air circulation system for a multi-color printing press

An air circulation system and printing machine technology, applied in printing machines, general parts of printing machinery, printing and other directions, can solve the problem of not meeting the requirements of multi-color printing of decorative gravure materials, avoid excessive drying surface curing, improve Efficiency, the effect of reducing solvent residues

Active Publication Date: 2020-01-07
广州黑马科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The air circulation system of the existing packaging material printing machine cannot meet the requirements of multi-color printing of decorative gravure materials

Method used

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  • An air circulation system for a multi-color printing press
  • An air circulation system for a multi-color printing press
  • An air circulation system for a multi-color printing press

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Embodiment Construction

[0032] In order to understand the above-mentioned purpose, features and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0033] It should be noted that the "first", "second", ..., and "eighth" appearing in the present invention are only used to distinguish different structures and components, and there is no sequence, nor are they used as limitations on structures or components themselves At the same time, "and / or" in the present invention means that it can be possessed at the same time, or one of them can be selected, such as scheme A and / or scheme B, including scheme A, scheme B, scheme A and scheme B. Condition.

[0034] Such as Figure 1-7 As shown, the air circulation sys...

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Abstract

The invention discloses an air circulation system of a multicolor printing machine. The air circulation system of the multicolor printing machine comprises n printing couples, wherein n is greater than or equal to 2, each printing couple comprises an air inlet and an air outlet, an air outlet of at least one printing couple communicates with a main air exhausting pipe through an air exhausting valve, and the air outlet of at least one printing couple communicates with a main air return pipe through an air return valve; the air outlets of all the printing couples at least communicate with the main air exhausting pipe or the main air return pipe, air inlets of all the printing couples communicate with the main air return pipe, and an outlet of the main air exhausting pipe is led to a waste gas treatment device. According to the air circulation system of the multicolor printing machine, multicolor printing waste gas which is low in air output and high in content of VOCs can be obtained, meanwhile, waste gas of one or more full-page printing couples can be exhausted directly, and waste gas of one or more non-full-page printing couples enters the main air return pipe to be circulated, so that the waste gas treatment efficiency is improved, and the waste gas treatment cost in the multicolor printing process is reduced.

Description

technical field [0001] The invention relates to energy saving and emission reduction of multi-color printing, in particular to an air circulation system of a multi-color printing machine, in particular to an air circulation system of a multi-color printing machine for decorative materials. Background technique [0002] Multi-color printing is widely used in industrial production. For example, PVC floors, building walls and furniture surface decoration materials all use multi-color printing. Multi-color printing is to apply ink on the printed body and then dry it. So far, solvent-based Ink, that is, ink containing VOCs (volatile organic compounds, that is, volatile organic compounds), ink containing VOCs will produce a large amount of gas containing VOCs during the drying process. Since VOCs are emitted into the atmosphere, they will chemically react with nitrogen oxides (NOx) in the air under sunlight to produce PM2.5 and harmful ozone, which is the smog that is of particula...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41F33/00
CPCB41F33/00
Inventor 马军陈金发刘新文
Owner 广州黑马科技有限公司
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