1、2 0 1 1 届 本 科 生 毕 业 设 计 英文文献 英文文献 Energy saving furnace and waste heat utilization First, macro-surface Dealing with the fire kiln, furnace output by the daily life of most products occupy, which is also an important part of modern society. Dealing with fire, it involves combustion, involving insula
2、tion, related to emissions, so that people attached furnace industry a better life, an attached greenhouse gases and harmful gas emissions, its important can be seen. Based on this understanding, the Copenhagen meeting, if the furnace industry changes, can bring immediate results. 1, the quality of
3、the pursuit of the furnace of the pursuit of product quality, can bring twice the impact. Just think, give up this purpose, what will bring serious consequences. Take the building ceramics industry, the turn of the century, the development of Foshan ceramics impressive, as Foshan, even people relish
4、. But cool to think, how much consumption of Foshan ceramics fossil raw materials, chemical raw materials and fuel? Large number of ceramic products has still retained in our home and decoration of public facilities? In other words, is not there for 10 years or 20 years of happiness and joy in excha
5、nge for future generations or even centuries of tragic years? starting from 2009 the national expansion of construction ceramics industry, race, location far below the level of Foshan. The development of society should be going up, and such a situation, energy conservation and emission reduction in
6、crying today, means that we will face even greater tragedy! Industrialization is a perpetual motion machine, not long before the earth disappear ceramic raw materials and fuel can depleted. Besides, we have begun to face non-ceramic material can be dug, recoverable state. The sake of our posterity,
7、we have to consider seriously some of the problems. The needs of low-quality low-end success of the furnace equipment and other manufacturing equipment market? Or the other hand, because of backward production facilities, it has cultivated a low-end market? This is a subject not tell Road, unknown,
8、but the result is yes, the building ceramics products, the products of low quality means durability, poor persistence, in the near future (maybe this time is about 10 years), social development, and now the rural market and low-income groups, a significant portion of will be renovated, which in turn
9、 is a tremendous waste. China is a big country, but it is also resource poor countries, must be considered in the durable goods production conditions, development of appropriate national policy, or economic prosperity, social prosperity will not last long. Product quality and production equipment fo
10、r quality products is the largest energy source. Good equipment must be able to produce a good product, good equipment, but it is also more durable and energy efficient, resulting benefits are double. Grasp the product quality, focus on the quality of equipment, saving energy is the key link. We can
11、 do this kind of discourse, low quality of the equipment (usually cheap), I will not speak a certain low-quality products and low-cost, on the device itself, may be faced with three years of minor repairs to five years The overhaul, maintenance costs do not say, may soon be eliminated, while the nee
12、d to remove obsolete equipment, recycled, pay a considerable cost recovery. Chinas economic development in the early, low-cost investment to make the first pot of gold enterprise development, and enable enterprises to gradually regulate, grow, is feasible but should be necessary, but with considerab
13、le capital scale of today, still make such repeat the story, it had to say our sad! if not well resolved, which will be a moment for the future lay hidden dangers of national disaster. 2, industry standards and other thermal equipment furnace is actually involved in multidisciplinary industry, no ru
14、les to follow in a few years. Kiln industry norms, can be 2 0 1 1 届 本 科 生 毕 业 设 计 英文文献 divided into the following areas: First, practitioners, furnace and other thermal equipment industry is essentially a high threshold for industry, country or the relevant trade associations should be the main furn
15、ace design and manufacturing, to be provided for construction workers, limiting their qualification. Followed by furnace and related enterprises to implement qualification system for personnel, equipment and operation of enterprises and to validate the request. The third is a thermal furnace and rel
16、ated equipment, the product itself to develop industry standards. Furnace product to solve the temperature problem, that firing system (or pressure systems) or heat treatment. Used for different purposes, different temperature, the kilns are classified, on the furnace design, material selection, sel
17、ection of auxiliary equipment, combustion and control, manufacturing, installation and commissioning of equipment and other aspects of security in particular is a refractory, burner and control system, furnace control systems were provided. In addition, it must be the performance of the product itse
18、lf, such as furnace fuel consumption indicators, power consumption targets, emission targets, control the level of development testing, evaluation criterion. Kilns is that most sources of industrial and domestic products, the furnace industry to progress only in the specification, the furnace indust
19、ry and progress, and industry to progress, social order and progress! What is more, our emission reduction becomes possible. 3, R & D investment industry furnace is interdisciplinary, involving materials science (steel and refractory materials, etc.), combustion and control studies, thermal engineer
20、ing, mechatronics, automation and control and many other branches of science. Kiln industry is also an ancient industry, has a long history of ancient China, there kilns, Jun ware, kiln, etc., prestigious, but ultimately are kiln, not energy. Furnace of history, is the history of civilization, with
21、the technology, the furnace has also been rapid development of the industry, gave birth to the modern material civilization. All highly sophisticated materials such as aerospace materials, special materials (such as high temperature materials, high strength materials, corrosion-resistant materials,
22、etc.) and so on, no furnace is not a masterpiece. Chinas technological strength behind the western countries, one important aspect, that is, behind the furnace industry. Furnace with the aforementioned development of the industrys development in all subjects, or conversely, to the latest development
23、s in technology disciplines applied to the furnace industry, facilitate the development and progress of the furnace industry, and then consolidate the material of modern civilization. In China, the economic principle of priority, the lack of kiln industry standards, resulting in the furnace product
24、quite a mixed bag, and then fired low-end products so popular in the market. This is the first, that as new technologies are the means the cost of Zeng Jia, causing the user does not seek the introduction of new technologies； the other, takes in this area of research and development is backward Yu F
25、adaguojias. Second, the design and manufacture of furnace First, the production of precision； First, the latest technology. Intelligent furnace and related products, is our pursuit. The latest Combustion Theory and combustion equipment (system), the latest control technology in our products can be a
26、pplied. To adapt to continuous production of roller kiln tunnel kiln and take the following measures to ensure the quality of the furnace so as to enhance the energy efficiency of the furnace: 1, optimal design. Different products for different customers, different output curves at different tempera
27、tures for specific design to meet the product in the case of firing, as saving space, as adapted for multi-product, multi-system firing. In the design and implementing the following basic techniques: thermal equilibrium bifurcation diagram. According to bifurcation diagrams, before 2 0 1 1 届 本 科 生 毕
28、 业 设 计 英文文献 embarking on the design of the furnace to make a basic thermal calculation. Bifurcation picture shows the designer pointed out the basic design direction. For example, the treatment of the kiln, the flue gas treatment, can be seen from the bifurcation diagram comes in many forms. Differe
29、nt furnace, thermal equilibrium bifurcation diagram similar. high quality materials, including steel and refractory materials. Furnace steel and refractory materials is the basic principal is directly related to the durability and energy-saving furnace indicators. Furnace with fire, dealing with the
30、 high temperature products, working environment. Any carelessness furnace structure, would have serious consequences, so the main selection of the furnace must be cautious. Steel manufacturers have to use the regular high-quality steel, welded solid, polished, rust decontamination, spray rust (zinc-
31、rich paint the best choice) and the metal finish. After such processing and production of long steel will not rust, durable. Selected according to temperature requirements refractory thermal conductivity, specific gravity (heat specific volume), have better physical properties of high temperature ma
32、terials, with special emphasis on the consistency of quality materials to ensure that the furnace used to heat high to low heat and kiln regenerator, and the furnace to a long life. 2, in addition to the conventional technology, the company also follows for the roller kiln tunnel kiln and unique tec
33、hnology: pressure balance system using waste heat. In diameter, under certain conditions, flow depends on the pipeline pressure. And so the company developed the principle of waste heat recovery systems, waste heat can be done for different purposes without the slightest impact on the normal operati
34、on of the furnace. impulse control impulse control is actually the closest to micro-combustion system variable control theory. Temperature curve for each rise or insulation is actually variable by numerous micro-component heat input, while the pulse is characterized by the need to control the heat i
35、nput is a fire, do not completely closed when the burner is to do a small variables, to ensure that the temperature curve of continuous and smooth. In addition, since pulse is varied between zero in the fire and, together with the random pulse system balance, high-temperature gas inside the furnace
36、due to mixing and considerable homogenization. So pulse system for wide-body kiln, need a minimum temperature of the products or firing, there is a distinct advantage. furnace control PLC + HMI + SCADA system with high-quality, accurate and constant heat output of the combustion and control system,
37、makes the PLC control in the furnace on the practical application possible. The PLC application, supplemented by detailed data such as burner combustion power, fuel air-fuel ratio, temperature curves characteristics, pipeline pressure drop, so that intelligent control of the entire furnace can be ef
38、fectively achieved. It is worth mentioning that the use of temperature (or pressure) module, due to the use of the PID loops proportional, integral, differential technique, and these parameters can be set according to different use of the environment, making their application form with the normal te
39、mperature control is more effective. HMI that is touch screen user interface for the furnace operation. The company introduced the furnace operating SCADA system is based on iFax4.0 infinite point spread over the Chinese Internet version developed with its function is very powerful. gas emission red
40、uction and the use of hot flue gas take away a large proportion of the total heat that can use this part of the heat up, will bring great economic benefits. The Company will adopt two measures of the gas processing: A semi-automatic and efficient development of the whole closed drying system, full use of flue gas heat. B the porous ceramics used for flue gas treatment. Conclusion The primary direction of energy saving furnace is the quality of the furnace,
