Management of Printed Materials
Improve the management of enterprise's original data, achieve reasonable inventory control and efficient distribution and application, adhere to the clean and orderly storage and working area, ensure that all containers are properly labeled, carefully check the data before consignment, and return it to the supplier immediately if it is found that the data is not in conformity with the request, accurately record the amount of original data, so as to enable it to Measure each reduction; mark the purchase date on each container and adopt the strategy of "buy first, use first" to avoid the old information being used up and the new one being opened; carry out regular inspection and maintenance, periodically check the leakage of containers and equipment; insist on all container sealing to avoid steamination. Release, spill, or material dryness; preserve waste liquids for reuse after separation, or send them to the recycling department; maintain harmless information so as not to be polluted; outdated information can be consulted and mutually assisted with some local departments still in need of utilization.
Prepress Design and Graphics Disposal
In decoration design and creativity, we should try our best to apply the color, texture and color of the printing material itself to prevent over-printing, and minimize the use of hot stamping, film coating and other processes under the condition of meeting decoration requirements, and minimize packaging materials.
The application of computer direct plate making technology can greatly reduce the discharge of waste liquid containing silver, hydroquinone and other harmful to human body and environment, as well as violet, by directly exporting RIP graphic and text information to the plate, removing the intermediate links of film and reducing the steps of film output, development, fixing and printing in plate making. External light is harmful to human body.
To minimize the loss, the effective way is to prevent waste from being produced in the first time. Reducing waste can help enterprises reduce the cost of shutdown, maintain environmental quality, reduce waste disposal costs, improve the health and safety of the workplace, reduce long-term obligations, and show a good image of the enterprise.
Before implementing the waste reduction plan, the management departments of printing enterprises should set up corresponding mechanisms to strengthen the management and guidance of waste reduction. We should make the best use of non-polluting or low-polluting industrial consumption technology, improve printing methods, process flow, and change the original materials and printing structure to prevent waste production and ultimately reduce pollution.
Reduction of major waste
The generation of waste is inevitable, but it can reduce the quantity and pollution of waste through effective ways. Ink, detergent and rag contain a lot of organic solvents, which not only pollute the environment, but also endanger human health. Therefore, we should take these three kinds of hard-to-dispose waste seriously.
(1) Ink. In order to reduce the volatilization of organic solvents, the use of ink without solvent or with low solvent content, such as soybean ink in lithographic offset printing, water-based ink in gravure printing and flexographic printing, can reduce pollution and save energy. In addition, such as UV curing ink, electron beam curing ink, etc.
(2) rags. Repeated use of rags, that is, dirty rags as the first scrub, and then clean rags as the second scrub, as far as possible use recyclable rags rather than disposable rags. If one-time scrubbing is used, the cleaning agent should be separated as far as possible before disposal, and the filter should be twisted or centrifuged. The used cloth and the invalid cleaning agent should be separately placed in sealed containers.
(3) Cleaning agent. Use low toxicity ink detergent instead of gasoline and other solvents. Use ink detergent only to clean ink and oil. For other cleaning work, soap or detergent can be used. Containers with smaller openings such as extruded or sprayed containers are used to limit the cleaning dose in the dishcloth, and a lot of ink can be erased because of a small amount of detergent. When using automatic cleaning equipment, a plate is placed under the cots to collect waste cleaning agent and ink.
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