James Hay, Director of Asia Pacific at DuPont High Polymers Division, said: “This project shows how lightweight high-performance materials such as ZytelHTN (Nylon) can maximize their effectiveness, allowing designers to increase the weight of metals without It is possible to give more innovation possibilities to electric cars and hybrid cars."
According to people concerned with SIMDrive, their goal is to create an electric car that is as good as a conventional gasoline-powered car in terms of energy and comfort. For example, SIM-WIL is not inferior to a mid-size sports car in terms of acceleration. The internal space of a car is similar to that of a luxury car, but its body size is only equivalent to a mini car.
According to a person familiar with the company, plastic materials are of great significance for car weight reduction, including powertrains, polycarbonate windows, and insulating plastics and other applications. The company hopes to work more closely with the plastics industry and said that its research has only just begun.
When the prototype was announced, SIMDrive did not specifically mention the special role played by plastics, but the company said it would use new materials, including the hard-shell steel space frame that was put into use for the first time.
It is understood that this framework is a major breakthrough in the weight reduction of electric vehicles, can reduce production costs and improve the body's rigidity.
The company’s stakeholders stated that they hope to put the car into mass production in 2014, and one of the purposes of producing the prototype is to demonstrate that the technology provided by 34 different partners can be used reliably in mass production.
According to DuPont, the prototype uses eight different plastics, films, papers, and coatings, such as Zytel for wheel motor spools, which are stronger and lighter than the original PPS material. Cost-effective.
The above-mentioned personnel also said that the car uses Kapton polyimide film in the lamp lighting, eliminating the need for circuit boards, and thus reducing the weight of lighting components by 80%.
An official from DuPont said that the prototype project is of great significance to DuPont.
Suzue Kikuyama, director of the hybrid tram business unit at Dupont in Tokyo, said that DuPont is also closely involved in the early design phase of the car, and it is often difficult for material suppliers to get involved in this stage of work.
She also said that DuPont is particularly interested in the project because so far no company has used wheel motor systems in mass-produced electric vehicles. Moreover, this is DuPont's Zytel material was first applied to the wheel motor spool.
In addition to DuPont, SIM has also cooperated with a number of other material companies, such as Japan's engineering plastics complex manufacturer Polyplastics Co., Ltd. and Kuraray Co., Ltd.
Boiler auxiliary equipment mainly includes water supply equipment, ventilation equipment, fuel supply, slag removal and dust removal equipment, steam and water pipes and accessories, detection instruments and automatic control equipment.
1. Water supply equipment
It is composed of water treatment equipment, water supply tank and feed pump 24. Water treatment equipment is used to remove impurities in water, such as oxygen, calcium and magnesium ions, to avoid scaling and corrosion on the inner wall of steam boiler, and to ensure the quality of boiler water supply. The treated boiler feed water is lifted by the feed water pump and then sent to the upper drum through the economizer.
2. Ventilation
The ventilation equipment includes air supply fan, induced draft fan and chimney. Its function is to provide air for mule fuel combustion and lead out combustion product flue gas from the boiler, so as to ensure the normal combustion, and make the flue gas wash the heating surface at the necessary flow rate of 7a68696466fe78988e69d8331333433626465 to strengthen heat transfer. Finally, the stack with a certain height will exhaust the smoke to the atmosphere to reduce the smoke pollution and improve environmental health.
3. Fuel supply, slag removal and dust removal equipment
This is for conveying fuel to boiler, removing ash and purifying flue gas. Belt conveyor, ash conveyor, ash truck and dust remover, etc. For boilers that need to be pre processed with fuel, fuel preparation such as screening, crushing and coal grinding shall also be included. In addition, the dust remover or flue gas desulfurization and denitrification device installed in the flue at the tail of the boiler is an indispensable auxiliary equipment to reduce the smoke pollution and protect the environment.
4. Check instruments and automatic control equipment
In addition to water level gauge, pressure gauge, safety valve and other instruments installed on the boiler body, in order to supervise, regulate and control the safe and economic normal operation of the boiler equipment, a series of instruments, automatic boiler feed water regulating device, automatic fuel combustion control device, etc. are often installed. Some boiler rooms are also equipped with industrial television and remote control device and even more modern automatic control system, more Scientific supervision. Control boiler operation.
Boiler auxiliary equipment, not every boiler is equipped completely, but with the boiler capacity, type, fuel characteristics and combustion mode as well as water quality characteristics and many other factors to adapt to local conditions, adapt to the times, more practical requirements and objective conditions.
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