A new generation of cold-setting electromagnetic wave corrugated board production line with high efficiency, energy saving and environmental protection (below)

Third, the social benefits of cold-setting electromagnetic wave corrugated board production line

(I) Promoting technological progress in the packaging industry

1. The implementation of cold-set microwave production lines and cold-formed electromagnetic wave production lines will have far-reaching impacts on improving China's regional economic development level and solving energy problems. The implementation of the project will foster the packaging of high-tech enterprises with completely independent intellectual property rights in China, improve the economic efficiency of enterprises, increase employment opportunities, and contribute to the regional economy and packaging industry. This project is based on the promotion and application in the international and domestic packaging and corrugated industries. It can save the cost of each company by several million yuan each year, thereby enhancing the market competitiveness of the carton enterprises.

2. Promote the technological progress and development of the packaging industry, and promote the technological progress of related industries; China's corrugated packaging industry is a large-scale, high energy consumption, pollution-prone industries. The promotion and application of cold setting technology has reduced the industrial cost and saved energy consumption. Green environmental protection further promotes the technological progress of the packaging industry.

3. Energy conservation, water conservation, environmental protection, and construction of a conservation-minded society are in line with the packaging recycling economy and sustainable development strategy.

(b) Examples of environmentally friendly corrugating machine production lines

The implementation of this project can reduce the environmental pollution caused by the use of coal-burning by packaging companies, produce low noise during production, meet the requirements of environmental protection, and create a good environment for producers; the use of this product will reduce the environmental burden on packaging companies and protect them. The ecological environment has made outstanding contributions to the harmonious development of the national economy and nature. The following is a data analysis without using coal to reduce atmospheric pollution (taking a carton factory in southern Sichuan as an example).

1. Electricity - Water, nuclear, and solar power can be used. Coal is a non-renewable resource and requires coal resources regardless of the use of steam boilers or oil furnaces. A production capacity of 12 million m2 corrugated cardboard production line consumes 2.3 tons of coal per day and consumes 700 tons per year. The country's 3,400 production lines do not consume coal and can save more than 2.4 million tons of coal per year.

2. Do not burn coal, reduce soot, gas, dust and other environmental pollution.

If all cartons manufacturing enterprises implement pollutant discharge standards, the standard limit is: air pollution implementation standards: GB13223-1996.

Dust-reduction technology implementation: The boiler is equipped with a cyclone and smoke-removing dust collector. The dust removal efficiency is 94% and no desulfurization is implemented. Exhaust tube height 15m. Smoke and SO2 emissions.

(1) Calculation method:

Ca=B·A·Dfh(1-η)/(1-Cfh)//

Dfh - Percentage of combustibles in flue gas (%):

Cfh - Percentage of combustibles in smoke (%);

B - Coal consumption (t).

SO2: C SO2=1.6B·B·(1-η)

Where: B - coal consumption (t);

S - total sulfur content of coal (%);

η - SO2 removal efficiency.

In the above two formulas:

A is 25.88%; dfh is 20%; S is 2.27%; η is 86%; ηSO2 is 0; Cfh is 15%; B is 700 tons/year. (2) Calculation result: dust 17 tons/year; SO272 tons/year.

(3) Judgment: Smoke emission concentration: 196 mg/Nm3; SOfh emission concentration: 873 mg/Nm3.

Comparing the standard limit value in this paragraph is judged to meet the standard emission.

To sum up, a production line of 12 million m2 /year corrugated board, which consumes 700 tons of coal per year, implements environmental monitoring and discharges up to standard emissions. Each year, 17 tons of fumes are emitted, SO272 tons are discharged, and 3400 lines across the country. Smoke emissions are 58 ,000 tons, S22.5 million tons. The promotion and use of this production line can eliminate the pollution to the atmosphere and avoid harm to the environment and human health. (under)


Reprinted from: China Packaging News

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