For the wide range of Applications of hydraulics, high temperature cooling of hydraulic oil is the key to ensure the good operation of the equipment. We have accumulated a lot of experience in design calculation and production in the 20 years of hydraulic oil cooling. Whether the unit is a Hydraulic Oil Cooler or a hybrid hydraulic Oil Cooler, we can individually customize the product according to the individual needs of the customer's industrial hydraulic equipment. At the same time, we also offer a standard hydraulic oil cooler series solution to ensure the performance at the same time. Avoid long-term problems with separate designs, and we offer different cooling drive methods for different application areas, such as hydraulic motors, DC motors, AC motors, explosion-proof motors, pneumatic motors, etc.
Hydraulic technology is also used in solar tracking systems, wave simulation devices, ship driving simulators, seismic reconstruction, rocket-assisted launching devices, aerospace environment simulations, and high-rise building anti-vibration systems and emergency braking devices.
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These difficulties are embodied in the following three aspects: First, the production capacity of high-energy-consuming and highly-polluting products grows too fast, and it is difficult to curb them. In recent years, investment growth in nitrogen fertilizers, soda ash, caustic soda, calcium carbide, and yellow phosphorus has increased at a rate of around 30%, resulting in overcapacity in these industries. At the same time, due to weak regulatory mechanisms and local protection, national industrial policies cannot It is very difficult to implement the implementation and reverse the trend that the production capacity of high energy-consuming and highly polluting products will grow too fast. Second, the basic work of energy conservation and emission reduction has lags behind. At present, the industry's statistical methods for energy consumption and emissions are not sound. Some of them were formulated more than a decade ago and they have not been adapted to the needs of the current industry; some have no standards at all and need to be studied and formulated immediately. In addition, the statistics and management team for energy saving and emission reduction are very weak. Many companies do not have full-time energy and environmental management personnel. Even the statistical data of the National Bureau of Statistics requires many industry associations to help verify.
In addition, the development and promotion of energy-saving and emission-reduction technologies are insufficient. Promoting energy conservation and emission reduction needs technical support. In recent years, companies have invested more in expanding their scale, but insufficient investment in technology development for energy conservation and emission reduction. Even though some companies have developed good energy-saving and emission-reduction technologies, some are not willing to share in the industry because of their own interests. For industries that already have mature energy-saving and emission-reduction technologies, the state has not shown sufficient strength in promoting technology and setting up special support.
In response to the above issues, industry experts made suggestions to continue guiding the healthy development of the industry. The first is to tighten the market access system and strengthen the guidance of industrial policies. The second is to suggest that the country formulate an exit policy for backward production capacity and establish a backward production capacity withdrawal mechanism. The third is to set up special support for the promotion of key practical energy-saving emission reduction technologies, such as dry acetylene technology, large-scale closed type calcium carbide furnace, hollow electrode and furnace gas comprehensive utilization technology, yellow phosphorus electro-de- dusting technology and exhaust gas comprehensive utilization technology, chromium salt free of calcium Roasting technology, zero discharge technology of nitrogen fertilizer production sewage, nitrogen fertilizer energy saving technology, etc. The fourth is to provide preferential policies for the introduction of energy-saving emission reduction technologies and equipment, such as financial support and import tax deductions. Fifthly, it is recommended that the state issue encouragement policies to support the metallurgical industry to conduct research on chromium-containing slag for the production of chromium-containing alloy steels so as to eliminate the environmental pollution of chromium salt slag and realize the comprehensive utilization of resources. Sixthly, it is suggested that key state-owned enterprises in the petrochemical industry should not be included in the WTO "GPA" entity list or adopt a selective, phased approach to the WTO "Government Procurement Agreement."
Because hydraulic technology has many outstanding advantages, it has been widely used from civilian to national defense, general transmission to highly accurate control systems. In the defense industry. Many of the weapons and equipment of the Air Force have adopted hydraulic transmission and control. Such as airplanes, tanks, ships, radars, artillery, missiles and rockets. In the machine tool industry, 85% of the current machine tool transmission systems use hydraulic transmission and control, such as grinding machines, milling machines, planers, broaching machines, presses, shearing machines and combination machine tools.
In the metallurgical industry, electric furnace control systems, rolling mill control systems, open hearth charging, converter control, blast furnace control, strip deviation and constant tension devices all use hydraulic technology. In construction machinery, hydraulic transmissions such as excavators, tire loaders, truck cranes, crawler bulldozers, tire cranes, self-propelled scrapers, graders and vibratory rollers are commonly used.
In agricultural machinery, hydraulic technology is also widely used, such as combine harvesters, tractors and plows. In the automotive industry, hydraulic off-road vehicles, hydraulic dump trucks, hydraulic aerial work vehicles and fire trucks all use hydraulic technology; in the textile industry, plastic injection molding machines and rubber vulcanizers are used. Paper machines, printing presses and textile machines; in the marine industry, the application of hydraulic technology is very common, such as full hydraulic dredgers, salvage boats, piling boats, oil production platforms, hydrofoil ships, hovercrafts and ship auxiliary machines. recent years.
Overcapacity in energy-saving emission reduction in petrochemical industry
In the context of energy conservation and emission reduction across the country, the petroleum and chemical industries have achieved some achievements in energy conservation and emission reduction despite the guidance of the government and relevant associations, but they still face greater difficulties.