It is not an easy task to become a national “green factoryâ€. The selection criteria cover factors such as production process, energy and resource consumption. It needs to be evaluated by third-party evaluation agencies, expert argumentation, publicity, etc. This honor is really full of gold.
The green hills are the Jinshan Yinshan. The government work report proposes to protect the ecological environment with a more effective system. As an independent engine enterprise, Xichai has always taken the initiative to take the initiative to actively carry out industrial green transformation, accelerate the construction of green manufacturing system, and build advanced enterprises in green manufacturing. It has not only achieved the economic benefits of sales in the top three in the industry, but also achieved good results. Environmental and social benefits.
Cold test process application
Green facilities interpret the concept of green development of Xichai
When it comes to manufacturing, many people first think of thick smoke and polluted rivers. In fact, with the continuous implementation of the national environmental protection policy, the environmental protection concept of “green development†of many enterprises is gradually strengthening. Xichai is a company that is at the forefront of green development. According to the relevant personnel of Xichai, the first step in the implementation of “green development†in Xichai is to establish a sound green infrastructure system.
It is understood that in the past ten years, Xichai has invested hundreds of millions of funds to carry out the most basic safety and environmental protection construction. It has successively established sewage treatment stations, added sound insulation, sound absorption and noise reduction facilities, and added spray paint treatment. Adsorption system; replacing the coal-fired boiler with steam from the thermal power plant, reducing the total discharge of major pollutants by 57%; the completed sewage pipe network transformation, the daily sewage treatment capacity of Xichai was raised from the original 2700 cubic meters / day to 3200 cubic meters / day.
Now, Xichai has used recycled water in the fields of daily greening, toilet cleaning and cooling. It is estimated that Xicai uses 400,000 tons of reclaimed water every year. In this year alone, it can save more than 1 million yuan in water costs. At the same time, Xichai spent 14.5 million yuan on the central air-conditioning system built by Huishan Heavy Duty Diesel Engine Production Base. Using a ground-source heat pump hybrid system, this new energy utilization technology that uses the shallow energy of the earth's surface for heating and cooling, saves 40% of electricity consumption per square meter per month compared with the air source heat pump system, saving electricity throughout the year. 3.34 million degrees, saving electricity costs of 2.83 million yuan; bathroom and canteen and other staff living areas, using solar water heating system, compared with the traditional electric heating hot water system, saving 122,000 kWh annually, saving electricity costs 100,000 yuan, Huishan The parking shed in the plant area uses 0.311MW distributed photovoltaic power generation facilities, which can provide 300,000 kWh of electricity per year. In addition, by introducing equipment such as concentrated circulating fluid treatment system and equipment, centralized dust-absorbing and dust-removing devices, it can reduce the total non-methane emissions per year. 5.8 tons, reducing COD emissions by about 20 tons.
Aowei remanufactured engine
Technological innovation makes the industry develop "green"
In the last century when the core technology of internal combustion engines was seriously scarce, Xichai relied on technological innovation and reborn from the predicament. In today's increasingly serious environmental pollution, Xichai also relies on technological innovation to let the green concept run through design, R&D and manufacturing. The process plays a demonstration role for the national energy conservation and emission reduction cause.
In the design stage, Xichai requires each new product to have innovations and breakthroughs in energy conservation, material saving, and emission reduction. In the research and development stage, Xichai requires research and development and application of advanced technologies and means to develop low emission and low noise. Low-energy, environmentally-friendly green engines; in the manufacturing stage, Xichai requires zero waste and zero pollution through the use of new processes, increased technological transformation and increased productivity.
As a new technology that has emerged rapidly in recent years, the cold test process has the advantages of high test accuracy, short time, increased productivity, energy conservation, reduced loss, and improved product quality. It has become a popular new technology for mainstream engine manufacturers at home and abroad. According to reports, Xichai has been researching the cold test process since 2010 and is the first enterprise in China to apply cold test technology to heavy duty diesel engine production lines. Compared with the traditional hot test, the cold test technology saves a lot of water, electricity and gas supply. The diesel consumption of a single 6DM engine is reduced by 10.86Kg, the carbon dioxide emission is reduced by 36.36Kg, and the single 6DM engine reduces the loss of diesel oil and antifreeze. About 70 yuan. At the same time, the engine test capacity has been increased from an annual output of 75,000 units to an annual output of 125,000 units, achieving true low-carbon, environmentally-friendly and efficient production.
At the same time, Xichai is also actively engaged in engine remanufacturing projects. Compared with new manufactured products, Xichai remanufactured engines can save 60% energy, 70% materials and materials cost while ensuring the same quality and performance. About 50%, the annual air pollutant emissions are reduced by more than 80%. According to estimates, for every 5,000 Aowei series remanufactured engines, the added value of recycled products is close to 125 million yuan, saving 7 million kW•h and reducing carbon dioxide emissions by 300 tons.
In addition, as early as the national five emission policy was not officially introduced, Xichai had already invested in the research and development of post-processing technology products. Now, the "EGR+DOC+DPF" technical route has been successfully applied to the national six engine, emission margin. >20%, fuel economy is more than 3%, urea consumption ratio is 3%-5% lower, and the product is energy-saving and emission-reducing. In 2017, Aowei CA6DL3-35E6 diesel engine matched the coach, and passed the British Vehicle Certification Agency. The organization's complete vehicle PEMS test became the first diesel engine in China to pass the Euro VI C stage emission test; in 2018, the Conway 4DW93-45DT4 diesel engine officially passed the US Environmental Protection Agency (EPA) T4 Final stage emission certification, and obtained 2018. The annual model certificate has become the first multi-cylinder diesel engine in China to receive this certification from the United States!
The successful selection of the “National†brand “Green Factory†marks the recognition of Xichai’s work in energy conservation, environmental protection, safety and intelligence. In the future, Xichai will continue to tap the emission reduction potential of diesel engines to further reduce pollution. And energy consumption, strive to make "zero pollution" engine, to make greater contributions to the harmonious development of the economy and the natural environment.
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