Air circulation system for printing machine

An air circulation system and printing machine technology, applied in the printing machine air circulation system, energy saving and emission reduction fields, can solve the problems of high cost of waste gas treatment, can not meet the requirements of multi-color printing of decorative gravure materials, etc., to improve efficiency and reduce costs Effect

Pending Publication Date: 2017-11-21
广州黑马科技有限公司
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  • Abstract
  • Description
  • Claims
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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, resulting in high waste gas treatment costs

Method used

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  • Air circulation system for printing machine
  • Air circulation system for printing machine

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Embodiment Construction

[0024] 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.

[0025] 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 .

[0026] Such as Figure 1-2As shown, the air circulation system of a printing machine proposed by the present invention is especially suitable for multi-color printing of plastic films and decorative materials, including n printing color groups X1, ..., Xn arranged in parallel, where n is g...

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Abstract

The invention discloses an air circulation system for a printing machine. The air circulation system comprises n printing color cells which are arranged in parallel, wherein n is larger than or equal to 2. Each printing color cell comprises a printing drying channel, a color set air supply draught fan, an exhaust valve and an air return valve, wherein an inlet of the printing drying channel communicates with an outlet of the color cell air supply draught fan. An outlet of the printing drying channel of each printing color cell communicates with a main exhaust pipe through the corresponding exhaust valve, and the outlet of the printing drying channel of each printing color cell communicates with a main air return pipe through the corresponding air return valve. An inlet of the color cell air supply draught fan of each printing color cell communicates with the main air return pipe, and an outlet of the main exhaust pipe communicates with an inlet of a main exhaust draught fan. An outlet of the main exhaust draught fan is led to a waste gas treatment device, and a certain number of exhaust valves are opened for controlling the air extracting amount of the main exhaust draught fan. By means of the air circulation system for the printing machine, waste gas of the printing color cells large in ink feeding amount can be directly discharged, waste gas of the printing color cells small in ink feeding amount enters the main air return pipe to be cycled, the waste gas treatment efficiency is improved, and the waste gas treatment cost 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 printing machine, in particular to an air circulation system of a gravure printing machine and a 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 pa...

Claims

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Application Information

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IPC IPC(8): B41F33/00B41F23/00
CPCB41F23/00B41F33/00
Inventor 马军陈金发宋兴刚
Owner 广州黑马科技有限公司
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