0, Foreword
"Energy efficiency power plant" is a virtual power plant, through the implementation of a package of energy-saving plans to reduce the power consumption of electricity customers demand to meet the electricity supply system and construction of the same effect. "Energy efficiency power plant" to be effective in improving the efficiency of energyuse, reduce the demand for new generating capacity, it has a short construction period, energy-saving effect of significantlylower cost and does not occupy land, water resources and fuel, emissions and other pollution-free Advantages.
Although Shenzhen is a high-tech manufacturing enterprises based in large cities, but its power, petrochemical, plastics,construction materials, urban water supply and central air-conditioning industry is the main power consumption of big cities.Shenzhen around the power plant has a total installed capacity of 1 million KW, if lower electricity rates by one percentage point, equivalent to saving one unit of 100,000 KW in capacity, the entire city of Shenzhen is expected to energy-saving potential equivalent to six 10 000 KW generating units, generating capacity, that is to build a capacity of 600,000 KW for the energy efficiency of power plants. Build an installed capacity of 600,000 KW of power plants, need to invest 3.6 billion yuan, the construction period for 2 - 3 years, the generating capacity of 30-36 million, required fuelabout 1.2 million tons of coal, CO 2 emissions to the atmosphere 3.67 million tons, SO 2 2592 tons, may lead to acid rain and greenhouse effect.And the use of 2 million KW of electrical inverter for energy transformation, energy-saving rate by 30 percent, the energy-saving devices 600,000 KW capacity, that is, 3.2 billion of electricity (in operation by 6000 hours), about 1 billion investment Yuan, financial and technical transformation of enterprises energy efficiency investment, not consumption of fuel,no emissions CO 2, SO 2 and other gases.
Therefore, it is still in the conceptual "energy efficiency power plant," the market a bright future, only below the Shenzhen City of injection molding machine to project the energy efficiency of the power plant vision.
1, injection molding industry in Shenzhen City, the status and development trend of energy consumption and energy output value of the status quo.
1.1 injection industry in Shenzhen City Status
As the production of injection molding industry and technology in the continuous progress, injection product
applications from the general daily, and civilian sectors to develop the national economy almost all sectors, such as home appliances, automobiles, transportation, information, and other industrial sectors, and a fairly high The technologicalcontent and high value-added products is growing injection, replacing the large number of metal and other materials, is widely used, good prospects for development.
2000 to date, Shenzhen is in the plastic industry innovation and development stage and has become increasingly mature. Although the low-end products in a more serious competition in the industry, the industry faced with rising prices of raw materials, water shortages, power shortage and lack of workers, and other difficulties, a small number of enterprises to transfer neighbors, the traditional extensive mode of growth is challenged.Industry leading enterprises is the main adjustment of product structure, product focus to high value-added, high threshold, has a
unique competitive, and other direction.In addition Shenzhen City adjacent to Hong Kong, Hong Kong and Taiwan enterprises to the large number of coastal areas,transfer of Shenzhen, which also created the injection molding industry in Shenzhen City of stability and development.
Shenzhen City, about 2,000 enterprises from more than injection molding, injection molding machines10 million Taiwan, plastic injection molding products account for 40 percent of products in 2004, the plastics industry before the five enterprises and leading products ranking to Foxconn Technology Group Headed by, of which three are injection
enterprises; plastics industry in 2004 before the 10 high-growth small business ranking, south of days by the plastic
products led by the Limited, of which five are injection enterprises.
1.2 Shenzhen future development trend of the plastic industry
Shenzhen,the size of the plastic industry will continue to expand, the number of enterprises is expected to be 5 per cent per annum growth, the industry will be an annual industrial output value of more than 10 per cent rate increase.
In order to reduce the production costs of enterprises, to accept the transformation of energy-saving more and more enterprises, and strive to achieve 30 per cent of the energy-saving targets (most of the above data from the Shenzhen trade and industry associations 2004-2005 annual report).
1.3 output value of Shenzhen injection of energy consumption in industry 200, for example. Shenzhen City in 2004 above-scale industrial enterprises in total industrial output value of enterprises for 342.28 billion yuan, up 17.3 percent growth in 2003, of which the plastic industry enterprises above the scale of the total industrial output value of about 43.9 billion yuan, up 13.8 per cent growth in 2003, accounting for the city's total The output value of 12.8% sales revenue 325.17 billion yuan, of which the plastic industry to 42.2 billion yuan, accounting for 12.9% of the proportion of the city.Energy consumption of enterprises for the injection of around 800 / million, in the
largest energy consumption in the plastics industry, is modified plastic blow molding and film industries such as 1.3-4 times that of the municipality's total industrial output value is 2.9 times the energy consumption, injection molding industry Energy-saving work of the task is arduous.
1.4 injection of energy-saving industry status quo
In recent years
injection molding industry itself need to lower costs and reduce consumption, in the early part of a 2000 energy-saving
awareness of the enterprises have started the transformation of energy-saving injection molding machine.The early
stage of injection molding machine energy-saving technology is not yet mature, than the ordinary fans, pumps frequency energy of the great difficulty, and the effects of instability, affecting the quality and quantity of products, while energy-saving transformation of the market confusion, the use of variable quality of energy-saving products Therefore, some companies successful transformation of the energy-saving, good economic returns; some failure of energy-saving enterprises, thereby transforming the energy-saving lack of confidence. Development up to now, injection molding machine frequency of energy-saving technology has been very mature, injection molding industry, energy transformation has been done and the success of injection molding machines accounted for about 10 percent of total capacity.
1.5 transformation of the energy-saving injection molding machine capacity
According to the Shenzhen Municipal Association of Plastic relevant information, Shenzhennow has the capacity injection molding machine about 2.0385 million kilowatts, of which pump is a quantitative transformationof the energy-saving about 90 percent, due process materials and a variety of reasons, do not have the value of the injection- 15 per cent, in past years has made the transformation of energy-saving injection molding machines accounted for about 10percent, according to the current status of statistics, Shenzhen City can do the transformation of energy-saving injection molding machine capacity of 1.4035 million kilowatts.
1.6 injection molding machine energy-saving implementation of the programme estimatesAccording to our calculations of electricity and energy-savinginjection molding machine after the power load calculations of the two methods of calculation Energy-saving capacity of injection molding machine calculation:
203.85 (10,000 kilowatts) × 90% × 85% × 90% = 140.35 (10,000kilowatts)Injection molding machine energy-saving efficiency of the power plant calculation:
a. the energy efficiency of computing power plant capacity:
140.3 5 × (365 × 24 × 60%) × 40% = 295071 (10,000 kwh) = 29.5 (billion kilowatt-hours)
A 300,000 kilowatt turbine generator group by running 5,500 hours a year, the rate of five percent of electricity plants, electricity, Internet: 300,000 kilowatts × (1-5%) × 5500 hour = 1.5675 billion kwh = 1567000000 Kwh
30/X=15.67/29.5 Energy-efficient power plant capacity: 30 / X = 15.67/29.5
(Summary: According to calculationsof electricity, energy-efficient power plant capacity of 565,000 kilowatts, equivalent to 2 sets of 300,000 kilowatt turbine
generator group of Internet capacity.)
b. After the transformation of the energy-saving injection molding machine
load calculation of energy-efficient power capacity:(Summary: After the transformation of the energy-saving injection molding machine load calculations, energy-efficient power plant capacity of 565,000 kilowatts, equivalent to 2 sets of 300,000 kilowatt generating units of Internet capacity.)
Energy-efficient power plant's total investment calculation:
30 × 2 × 7700 = 46200 dollar = 4.62 billion yuan
Conservation of raw coal calculation:
Calorific value of coal: 5,500 kcal / kg, Biaomei heat value: 7700 kcal / kg
Standard coal consumption: 333 g / KWH
300,000 kilowatts of electricity generating units in the Internet: 1.567 billionkwh
Thesecalculations are conditions for the Shenzhen Municipal 1403500 kilowatt injection molding machine to conduct energy transformation, with an average energy saving rate of 40 percent, its load factor was 60%, energy-saving amounted to 2.95 billion kwh a year.
1 Taiwan 300,000 kilowatts of electricity Internet Turbine year (year-on-year running 5500 hours, the electricity plant was 50 per cent), the Internet is 1.567 billion kwh of electricity.
The results of these two energy-efficient power plant capacity of 565,000 kwh, equivalent to about 2 sets of 300,000 kilowatt capacity turbogenerator. Energy-saving injection of 1.7-case analysisA group's accessories plastic molding factory has 171 injection
From December 2002 start of injection molding machine energy-saving, energy-saving transformation to 2004 a total of 140 injection molding machine, the transformation capacity of 4154.3 kilowatts, accounting for 84.6 percent of capacity, energy-saving capital of 3.6636 million yuan, an average of about 900 uan / KW, the Factory energy-saving effect of better, the end of 2003-2005 total 4.852 million yuan saving electricity, 8-12 months, the recovery of energy costs, the average energy saving rate of 40 percent.At present the plant as long as the purchase of a new injection molding machine, the inevitable targeting converter.Economic and social benefitsInjection molding machine after the implementation of energy-saving will havethree benefits.
2.1 cost-effective
Injection of Shenzhen City in the most important industries of energy efficiency demonstration power plant, injection molding machine industry is bound to bring tremendous economic benefits.Injection frequency energy industry average energy saving rateof up to 40 percent, as 1.4 million kilowatts of energy-saving injection molding machine, the annual energy saving amounted to 2.95 billion kwh, the annual electricity saving 2.3 billion yuan (0.78 yuan at an average price / kWH).This will greatly reduce the cost of production injection enterprises, price hikes inraw materials, water shortages, lack of electricity in the environment, to improve their own competitiveness, stability anddevelopment, increased corporate profits, increasing injection of Shenzhen City's industrial output value of industryincreased Shenzhen Municipal Government's tax benefits are great.
From a macro point of view, because of promoting energy efficiency power plant - of investment in energy-saving injection molding machine to be 1.12 billion yuan (800 yuan per kilowatt investment balance), as can all the time about a year investment recovery, a decrease of about 2 Taiwan 300,000 kwh Turbine demand for electricity, equivalent to a
saving of 4.6 billion yuan investment in the construction of generating units, each of saving electricity to 2.3 billion yuan for the country save more than 5.8 billion yuan of funds.
At the same time as a shortage of resources-saving building in Shenzhen City with Chang 13.9 square meters, 146 tons per year of water conservation, water conservation 5000-6000 cycle of 10,000 tons, saving coal-fired 1.328 million tons, much of a saving of social resources.
2.2-effectiveness of the social environment
Further promote the environment clean and reduce the emission ofpollutants and reduce greenhouse gases.If the energy efficiency of power plants - injection of energy-saving function of the project implementation, not onlyto reduce power load, to ease the summer power supply tension in benefits, and 2.95 billion kwh of electricity a year savings, which means that every year 982,300 less Biaomei Tons, in the atmosphere to reduce SO 2 emissions from 14,000 tons,5,600 tons NO emission reduction, to reduce CO 2 emissions from 1.764 million tons, reducing ash generated 185,900 tons, willbenefit future generations, the building of a beautiful environment, fresh air, and the ecological environment Shenzhen tomake a good contribution.
2.3 other social benefits.
As energy-saving injection molding machine of the implementation of the project, the frequency of Shenzhen City will pull the development of industries, improve the technological level of
energy, promote energy conservation ranks of the healthy growth of all walks of life bound to a new upsurge of energy, to enhance the entire society The efficiency of energy use to contribute.
2 Conclusion
The deadline for the end of 2006, China's total installed generating capacity has exceeded 500 million kW, to 508 million kW. 其中火电装机约占 80% ,为 4 亿 kW 左右。 Of which thermal power installed capacity accounts for about 80 percent, to about 400 million kW. 全国年发电量已突然 2 万亿 kW.H 。 The national generating capacity has suddenly 2000000000000 kW.H.National Motor total installed capacity has reached over 400 million kW, the power consumption of 1.2 trillion kW.H, of the nation's total electricity consumption of 60 per cent of industrial consumption 80 percent of which fans, pumps, compressors installed Total capacity has more than 200 million kW, the power consumption of 800 billion kW.H, of the nation's total electricity consumption of around 40 percent.More than 70 percent of fans, pumps, compressors operation should be adjusted, so far, only about 5 percent of running speed.We have to reduce the power consumption to 1.0%, the fans, pumps, compressors on the electricity section 8 billion kW.H,the country amounted to 12 billion electrical power saving kW.H.Here, the vision of energy-efficient power plant is conceivable.

Ge Pusi energy-saving injection molding machine fever (patent products NO.9016414.6)
Source: Shenzhen magazine "energy-saving technology and the market" section 4 (2007 newsletter), 7 |