The Hainan Provincial People's Government recently issued the “Hainan Province Air Pollution Prevention and Control Implementation Plan 2014†(hereinafter referred to as the “Planâ€), requiring all cities and counties in the province to maintain the PM10 concentration at the 2013 level, and the PM2.5 concentration in Haikou City remained in 2013. Level. The total SO2 and NOx emissions in the province were controlled within 39,200 tons and 101,000 tons respectively.
The "Plan" pointed out that the main problems of air pollution prevention and control at present stage in Hainan Province are: industrial source emission reduction work promotes imbalance, power denitrification transformation is subject to power supply dispatching, progress lags behind cement and other industries; construction site and road dust management The control is weak and lacks effective management control; the elimination of yellow-label vehicles and old cars needs to be strengthened.
The Plan emphasizes that it is necessary to increase the intensity of comprehensive management, reduce pollutant emissions by focusing on desulfurization and denitrification in key industries, promoting the control of volatile organic pollutants, and strengthening the environmental supervision of waste incineration power plants. It is necessary to accelerate the promotion of two units of the Changjiang Nuclear Power Plant. Construction of projects such as 10,000 kilowatt nuclear power units.
The "Plan" requires that environmental supervision capabilities should be improved, and relevant research institutions in Hainan should be supported to carry out research and development of key technologies for air pollution prevention and control, and strengthen the capacity building of air quality warning and forecasting in the province. By the end of 2014, the online monitoring capacity of sulfur dioxide, nitrogen oxides and particulate matter in key polluting enterprises will be fully completed, and networked with provincial and municipal environmental protection departments.
Wheel loader Brake System Accessories include: air booster pump, Air Brake Valve , Loader Brake Clamp, loader brake pads and so on.
Air Booster Pump uses air pressure as power to push the piston in the air chamber. Through the transfer of the push rod, the cylinder piston moves, thus increasing the pressure of the brake fluid, and then transferring it to the brake caliper to play the braking effect.
Air Brake Booster have different specifications and models, which are widely used in Liugong, XCMG, XGMA, Lonking, Yutong, SDLG, SEM, JGM, ENSIGN and so on.
At present, the brake system of wheel loader generally adopts gas cap oil comprehensive brake.Air-cap oil comprehensive brake is mainly composed of air compressor, oil-water separator combined valve, air storage tank, foot brake, air afterburner, brake pipeline and other components. The air afterburner is a very important braking element, which can directly convert the gas pressure energy generated by the compressed air to the liquid pressure energy generated by the pressurized gas piston, so as to push the clamp disc brake on the dry drive axle for braking. If the air afterburner fails, the braking performance of the loader will be reduced or lost, which will seriously threaten the safety of human life. Therefore, it is very necessary to understand the structure and principle of air afterburner pump for the selection, maintenance and repair of air afterburner pump of loader.
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