Weichai Power has always adhered to the business philosophy of “green power, international chopping wood” and has done a lot of work in low-carbon emission, recycling economy and comprehensive utilization of resource conservation.

The first is to adjust the structure and promote development to create green products

Since 1998, Weichai Group has carried out all-round and systematic innovation in the fields of operation system, business model, technology research and development, and internal management, and has embarked on an intrinsic-style development path of independent innovation. At present, Weichai has developed into an equipment manufacturing group with four business segments: complete vehicles, powertrains, auto parts, and luxury yachts. This not only opens up new markets for the development of enterprises, but also drives energy conservation, emission reduction and development of enterprises. The pace of the circular economy.

As early as the "Eleventh Five-Year Plan" period, Weichai took the lead in successfully developing a high-power, high-speed diesel engine that meets the National III, National IV, and National V emission standards and has completely independent intellectual property rights. The main technical indicators are in line with international advanced standards. Among them, the Blue-Rising III engine, which is currently supplied in large quantities in the market, is more than 15% more fuel-efficient than similar domestic products. Weichai has been dedicated to the research and development of alternative fuel internal combustion engine products. Weichai LNG (liquefied natural gas) power has been widely used in long-distance passenger cars, wide-body dump trucks, heavy trucks and construction machinery.

The second is to take responsibility for re-circulation and develop green manufacturing

In recent years, Weichai has been actively developing green manufacturing. While manufacturing green and energy-saving products, it also focuses on the green and energy-saving of the manufacturing process, and truly implements “Green Weichai”. Take the recycling of industrial wastewater as an example. Weichai has a wastewater recyclable system with a daily treatment capacity of 4,400 tons in the old factory. All industrial wastewater enters the sewage station and realizes "closed-circuit circulation". The system recycles more than 100 years of waste oil. Tons, annual reduction of 1.2 million tons of industrial wastewater discharge, annual water reuse of more than 1.5 million tons, and annual water saving of 1.5 million tons. In the industrial park, a wastewater recycling and reuse system with a daily processing capacity of 1,000 tons was built. The advanced technology of pretreatment of the quality and reintegration treatment was used, and 360,000 tons of reclaimed water and 360,000 tons of fresh water were recycled annually. After being treated and reused by the enterprise, Zhongshui is widely used in the production and life of trial-cycle water, production process water, toilet flush water, and fire-fighting water for large-series diesel engines, which reduces fresh water consumption and improves the environment. Reduced pollution.

Weichai has built four new industrial parks in Weifang and covers an area of ​​nearly 3,000 acres. The new project's energy-saving and emission-reduction basic construction equipment is valued. Taking the new foundry industrial park as an example, the low-energy and energy-saving production facilities are fully selected in the process design, and the waste heat utilization technology is adopted. The high-temperature flue gas waste heat utilization system and steam condensate recovery system are installed in the cupola to implement waste heat and residual energy. Recycling, effectively reducing the park's heating steam and natural gas consumption. Among them, 80 tons of hot air oxygen-enriched cupolas, castings with an overall scrap rate of 1.8% or less, 220 tons of coke per ton of castings, 47,000 tons of coke per year than the domestic average, and secondary combustion of flue gas through waste heat utilization technology. The temperature of molten iron is 1500-1550°C, and the melting efficiency is increased by 45%. The recycling rate of waste sand is over 85% through the recycling technology of old sand. With the technology of fully sealed bag dust removal, the dust removal rate reaches 99.8%.

The third is to combine national research projects to boost the development of green power

Weichai Power combines national key scientific research projects to carry out the research on the life cycle modular design technology of the powertrain of construction machinery. Through the structural optimization design of the engine, hydraulic torque converter and gearbox, the vibration and noise control technology of the powertrain of the construction machinery was developed, and the formation of vibration and its transmission and radiation problems were suppressed from the structure. For the first time, the green design concept for the whole life cycle is applied to the design support system of the powertrain of the construction machinery, and a green design support system for the powertrain of the construction machinery based on the green design knowledge model and knowledge reuse technology of the whole life cycle is developed.

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