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Fountain solution filtering method and device for printing

A filtering device and filtering method technology, applied in printing, printing presses, rotary presses, etc., can solve the problems of increased chemical substances and waste, shortened service life of fountain solution, and time-consuming, etc. The effect of prolonging service life and reducing downtime

Inactive Publication Date: 2011-07-20
YONGLIAN PRINTING CONSUMABLES SHENZHEN
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] First of all, as mentioned above, the existing printing machine will cause the stagnation of the machine due to the lack of its protection system, and after each machine stagnation, it takes a lot of time to replace the fountain solution. In today's huge demand, every little bit of time spent is wasting a lot of money. This is one of the main disadvantages of existing printing machines in the case of insufficient protection systems.
[0006] Secondly, as mentioned above, due to the lack of protection system of existing printing machines, the service life of fountain solution will be shortened, and the reduction of isopropanol will increase chemical substances and waste and pollute the environment. There is another disadvantage brought about by the printing machine in the case of insufficient protection system

Method used

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  • Fountain solution filtering method and device for printing
  • Fountain solution filtering method and device for printing
  • Fountain solution filtering method and device for printing

Examples

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Embodiment Construction

[0028] Such as Figures 1 to 7 Shown, a kind of fountain solution filtering method and device thereof for printing, wherein, such as figure 1 The printing fountain solution filtration method shown includes:

[0029] The printing dampening solution is sucked into a pneumatic dampening solution filtering device from the external circulation loop of the dampening solution by using the principle of pneumatics.

[0030] The suction of the fountain solution by using the pneumatic principle is realized by means of a self-priming air-operated pump 1 , and the self-priming air-operated pump 1 has an air inlet 2 , a liquid inlet 3 and a liquid outlet 4 .

[0031] Wherein, the air inlet 2 is connected with the air pressure control gauge 5, and the air pressure control gauge 5 is connected with the external air hole 51, and the liquid inlet 3 is connected with the external circulation circuit of the dampening solution.

[0032] The dampening solution is transported from the liquid inlet...

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Abstract

The invention relates to a filtration method for dampening solution used printing and a device thereof. By adopting the method, the dampening solution used for printing in an external circulation loop is inhaled mainly utilizing the pneumatic principles, and then the dampening solution is filtered by the corresponding filtration device for pneumatic dampening solution. The filtration device for the pneumatic dampening solution comprises a filter, a regulator and a shell, wherein, the filter is arranged on the shell, the regulator is arranged inside the shell, furthermore, the filter is connected with the regulator. Proved by long term experiments of researchers, the service life of the dampening solution which is filtered by the method of the invention is six times more than the service life of ordinary dampening solution which is not filtered. In addition, less chemical is used in the invention and exhaust emission and the cost of tail gas treatment is reduced greatly.

Description

technical field [0001] The invention relates to a method and device for filtering printing liquid, in particular to a method and device for filtering fountain solution for printing by using a pneumatic pump. Background technique [0002] With the continuous improvement of people's living standards, people are also pursuing spiritual needs while pursuing material, so various books, magazines and newspapers have appeared in society to meet people's spiritual needs. However, books The mass production of printed materials such as books, magazines and newspapers is inseparable from printing technology. In order to provide a large number of books, magazines and newspapers, etc., it is necessary to have better printing conditions and printing effects. [0003] In such a market with strict printing requirements, it is imperative to keep the printing machine working normally, but the fountain solution of the printing machine is one of the main factors affecting the working condition ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41N3/08B41F7/24B41F3/32
Inventor 韦天生
Owner YONGLIAN PRINTING CONSUMABLES SHENZHEN
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