Heat treatment quenching oil

The energy source of heat treatment and heating equipment must be reasonably selected according to the local conditions. The heat efficiency of the heating equipment has a great room for improvement. The waste heat of fuel products must be fully utilized. A large number of cooling water must be recycled. The grease cleaned from the workpiece surface shall be recycled by classification. The invalid quenching oil shall be collected, refined and reused or used for other purposes.

China is a big energy consumer, and machinery manufacturing industry is a very important part of it. With the continuous development of heavy industries such as parts and components, machinery manufacturing and so on, heat treatment plays an important supporting role in the revitalization and development of China's machinery manufacturing industry, and the development of machinery manufacturing industry will certainly drive the rapid development of China's heat treatment industry, provide a broad development space for the development of China's heat treatment industry, and the industry has a broad development prospect. The 12th Five year plan specifically points out that it is necessary to make full use of the industry information platform, promote new technology, guide enterprise innovation, vigorously develop energy-saving heat treatment; give full play to the advantages of the technology research and development service platform to provide support for energy conservation and emission reduction in the industry; give full play to the role of the think tank of the CPC Committee, and earnestly organize and recommend basic engineering projects. Chongqing, as an important equipment manufacturing base in the west, one of the four automobile production bases and the largest motorcycle production base in China, is the forefront of reform and innovation in the heat treatment industry.

Waste water, waste gas, waste salt, dust, noise and electromagnetic radiation from heat treatment production will cause pollution to the environment. To solve the environmental pollution of heat treatment and to implement clean heat treatment (or green heat treatment) is one of the development directions of heat treatment technology in developed countries. In order to reduce the emission of SO2, Co, CO2, dust and cinder, the use of coal as fuel has been basically eliminated, and the use of heavy oil is becoming less and less. The majority of light oil is used, and natural gas is still the ideal fuel. The waste heat utilization of combustion furnace has reached a high level. The optimization of burner structure and the strict control of air-fuel ratio ensure that NOx and CO can be reduced to a low level under the premise of reasonable combustion. Gas carburizing, carbonitriding and vacuum heat treatment technology are used instead of salt bath treatment to reduce the pollution of waste salt and CN containing toxic substances to water sources. Water soluble synthetic quenching oil is used instead of partial quenching In order to reduce oil pollution, biodegradable vegetable oil is used instead of some mineral oil.

Induction heat treatment equipment has many advantages, such as fast heating speed, energy saving, no oxidation and decarbonization, no pollution to the environment and high production efficiency. These advantages are widely recognized by heat treatment workers, so it has developed rapidly in the past decade. Of course, this actual demand also greatly promotes the development and technical upgrading of domestic induction heat treatment equipment. Taking FAW in Changchun as an example, the company has more than 100 induction heat treatment equipment, of which 50 have been newly added or updated in the past decade, almost all of which are SCR if equipment and IGBT super audio equipment. At present, the weight of induction heat treatment parts of FAW's medium-sized trucks has reached 291.3kg, accounting for 52% of all heat treatment parts. Induction heat treatment has really raised half of the heat treatment.

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