“Originally, after many years of technological transformation, our production system has been very mature in terms of process technology, and the space for further energy conservation has been very limited. However, the introduction of high-voltage inverters has enabled energy-saving space to be magnified.†Zhejiang Juhua Co., Ltd. A person in charge of the company's sulfuric acid plant told reporters.
What is a high voltage inverter? Why is it so magical? The reporter can not help but feel curious. With the deepening of the interview, the reporter learned that the rise of high-voltage inverters indicates that the energy-saving revolution of chemical companies is entering a new stage.
According to an engineer from Zhejiang Yijia Energy Saving Equipment Co., Ltd., a motor with a rated voltage of 3KV, 6KV, or 10KV is a high-voltage motor, and a matched inverter is called a high-voltage inverter. High-voltage motors are used in some large-scale petrochemical enterprises and basic chemical companies that win by scale. They are mainly used to drive wind turbines, pumps, compressors, and various large-scale machinery, and their energy consumption can generally be reduced to the current total energy of the motor. Less than 70% of consumption. Traditionally, the operating efficiency of these loads averages between 20% and 50%. Therefore, to improve the operating efficiency of these loads is the highlight of the energy saving and consumption reduction of chemical companies' power systems. The application of frequency control, can make the motor run at the most energy-saving speed.
On June 6, the 4# air fan of the roasting furnace in the sulfuric acid plant of Juhua Co., Ltd. was successfully commissioned using a frequency converter. This high-voltage frequency converter can save more than 100 kWh per hour for the fan, and can save more than 500,000 yuan per year. So far, the plant has adopted high-voltage inverters in several locations such as cooling circulating water pumps, urea stranding cages for compound fertilizer sections, sewage pumps for sewage stations, and ordinary running motors for 3#. In spite of the high price, each one is worth millions, but the energy-saving effect is obvious, and companies still feel that they are very cost-effective. Take the giant cooling water circulation pump as an example. During the production of sulfuric acid, a large amount of cooling water is required. Before the frequency conversion, the enterprise uses the outlet valve to control the water flow and the pipe network pressure. The cooling water flow rate and pressure passes through the cooling water circulation pump outlet, The regulating valve on the inlet liaison tube regulates the operation, while the sulfuric acid plant has 8 plate heat exchangers and more than 10 valves, which are very inconvenient to adjust and waste electricity. Because the equipment is selected according to the maximum load, there is a large margin in the actual operation, and the fluctuation of the water consumption is very large as the load rises and falls and the temperature changes. In 2005, Juhua cooperated with Yijia Energy Saving Equipment Company and adopted the wind and light high-voltage frequency converter provided by Shandong New Scenery Electronic Technology Company. In combination with the characteristics of enterprise equipment, Yijia Company has tailor-made a set of frequency conversion adjustment system. After the system is put into operation, the actual operation energy saving rate of the cooling water pump reaches 35%, and the operation is simple and easy, which improves the safety of the equipment.
The introduction of multiple high-voltage frequency converters not only effectively alleviated the pressure for energy saving in Juhua Sulfuric Acid Plant, but also created good economic benefits for the company. In 2006, the whole plant saved 3.96 million kwh. From January to May of this year, the plant saved 1.65 million kWh compared to the same period last year.
The interest in high-voltage inverters is far more than Juhua.
"In 2004, the company was established. In 2005, there were small gains in market development. In 2006, sales revenue reached more than 30 million. This year's situation will only be better." Ye Shengxi, general manager of Zhejiang Yijia Energy Saving Equipment Co., Ltd The reporter said, “We have a strong feeling that with the increasing pressure for energy conservation in China, the market potential of high-voltage inverters in chemical companies is very large. Before the cooperation with Juhua Group, we also let our products And technical service capabilities are full of confidence."
Ye Shengxi said that although the market for high-voltage frequency converters has risen in double digits in recent years, due to the one-time investment in equipment, the number of enterprises that have made major transformations such as Juhua in the field of chemical industry in Zhejiang is still low. Many are limited to several large companies with relatively strong strengths, such as Zhenhai Refinery, Zhejiang Longsheng Group and so on. But this situation is changing. He said that from last year to this year, he felt a clear change in his contact with the company: The original salesman could only take the initiative to come to the door and spend enough time to let the other party know what kind of product he is selling. Now, many owners of chemical companies have come to consult the product's features and performance. This change is enough to prove: On the one hand, the awareness of energy conservation of chemical companies is increasing. On the other hand, the degree of recognition and recognition of frequency conversion by users is undergoing tremendous changes.
The reporter called Wang Liang, another general agent of Lieder Float, which produces high voltage frequency converters. He said on the phone that at present the market development of Zhejiang Lidwar float company in Zhejiang chemical companies is just beginning, but optimistic about the late market.
Through interviews, the reporter has deep feelings: Under the background of the state's efforts to promote energy conservation and emission reduction, high-end inverters and other high-end energy-saving equipment have become an ideal choice for more and more chemical companies. Suppliers are closely linked to business opportunities and include the chemical industry as a key development market after the power industry. With the formation of a large energy-saving environment, equipment upgrades have become a new hot spot for energy conservation in chemical companies, and will eventually promote the industry to a new level.
What is a high voltage inverter? Why is it so magical? The reporter can not help but feel curious. With the deepening of the interview, the reporter learned that the rise of high-voltage inverters indicates that the energy-saving revolution of chemical companies is entering a new stage.
According to an engineer from Zhejiang Yijia Energy Saving Equipment Co., Ltd., a motor with a rated voltage of 3KV, 6KV, or 10KV is a high-voltage motor, and a matched inverter is called a high-voltage inverter. High-voltage motors are used in some large-scale petrochemical enterprises and basic chemical companies that win by scale. They are mainly used to drive wind turbines, pumps, compressors, and various large-scale machinery, and their energy consumption can generally be reduced to the current total energy of the motor. Less than 70% of consumption. Traditionally, the operating efficiency of these loads averages between 20% and 50%. Therefore, to improve the operating efficiency of these loads is the highlight of the energy saving and consumption reduction of chemical companies' power systems. The application of frequency control, can make the motor run at the most energy-saving speed.
On June 6, the 4# air fan of the roasting furnace in the sulfuric acid plant of Juhua Co., Ltd. was successfully commissioned using a frequency converter. This high-voltage frequency converter can save more than 100 kWh per hour for the fan, and can save more than 500,000 yuan per year. So far, the plant has adopted high-voltage inverters in several locations such as cooling circulating water pumps, urea stranding cages for compound fertilizer sections, sewage pumps for sewage stations, and ordinary running motors for 3#. In spite of the high price, each one is worth millions, but the energy-saving effect is obvious, and companies still feel that they are very cost-effective. Take the giant cooling water circulation pump as an example. During the production of sulfuric acid, a large amount of cooling water is required. Before the frequency conversion, the enterprise uses the outlet valve to control the water flow and the pipe network pressure. The cooling water flow rate and pressure passes through the cooling water circulation pump outlet, The regulating valve on the inlet liaison tube regulates the operation, while the sulfuric acid plant has 8 plate heat exchangers and more than 10 valves, which are very inconvenient to adjust and waste electricity. Because the equipment is selected according to the maximum load, there is a large margin in the actual operation, and the fluctuation of the water consumption is very large as the load rises and falls and the temperature changes. In 2005, Juhua cooperated with Yijia Energy Saving Equipment Company and adopted the wind and light high-voltage frequency converter provided by Shandong New Scenery Electronic Technology Company. In combination with the characteristics of enterprise equipment, Yijia Company has tailor-made a set of frequency conversion adjustment system. After the system is put into operation, the actual operation energy saving rate of the cooling water pump reaches 35%, and the operation is simple and easy, which improves the safety of the equipment.
The introduction of multiple high-voltage frequency converters not only effectively alleviated the pressure for energy saving in Juhua Sulfuric Acid Plant, but also created good economic benefits for the company. In 2006, the whole plant saved 3.96 million kwh. From January to May of this year, the plant saved 1.65 million kWh compared to the same period last year.
The interest in high-voltage inverters is far more than Juhua.
"In 2004, the company was established. In 2005, there were small gains in market development. In 2006, sales revenue reached more than 30 million. This year's situation will only be better." Ye Shengxi, general manager of Zhejiang Yijia Energy Saving Equipment Co., Ltd The reporter said, “We have a strong feeling that with the increasing pressure for energy conservation in China, the market potential of high-voltage inverters in chemical companies is very large. Before the cooperation with Juhua Group, we also let our products And technical service capabilities are full of confidence."
Ye Shengxi said that although the market for high-voltage frequency converters has risen in double digits in recent years, due to the one-time investment in equipment, the number of enterprises that have made major transformations such as Juhua in the field of chemical industry in Zhejiang is still low. Many are limited to several large companies with relatively strong strengths, such as Zhenhai Refinery, Zhejiang Longsheng Group and so on. But this situation is changing. He said that from last year to this year, he felt a clear change in his contact with the company: The original salesman could only take the initiative to come to the door and spend enough time to let the other party know what kind of product he is selling. Now, many owners of chemical companies have come to consult the product's features and performance. This change is enough to prove: On the one hand, the awareness of energy conservation of chemical companies is increasing. On the other hand, the degree of recognition and recognition of frequency conversion by users is undergoing tremendous changes.
The reporter called Wang Liang, another general agent of Lieder Float, which produces high voltage frequency converters. He said on the phone that at present the market development of Zhejiang Lidwar float company in Zhejiang chemical companies is just beginning, but optimistic about the late market.
Through interviews, the reporter has deep feelings: Under the background of the state's efforts to promote energy conservation and emission reduction, high-end inverters and other high-end energy-saving equipment have become an ideal choice for more and more chemical companies. Suppliers are closely linked to business opportunities and include the chemical industry as a key development market after the power industry. With the formation of a large energy-saving environment, equipment upgrades have become a new hot spot for energy conservation in chemical companies, and will eventually promote the industry to a new level.
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