The Fuel Burning Speed of Cement Rotary Kiln Essay Example for Free

The Fuel Burning Speed of Cement Rotary Kiln Essay Rotary kiln is refers to rotating calcining kiln (also known as rotating kiln), which belongs to thermal equipment. Rotary kiln can be divided into metallurgy kiln, chemical engineering kiln, and building material kiln according to its different dealing materials. The building material kiln is mainly used in calcining clinker cement, limestone and porcelain granule. Metallurgy rotary kiln is mainly used for the magnetizing calcining of lean iron ore in iron and steel plant in metallurgy industry, the chromites and josephinite oxidizing calcining , calcining of dewalquite and clinker aggregate and aluminum hydroxide roasting in aluminum factory; Chemical engineering rotary kiln is used in chemical plant for chromium ore and chromium ore powder roasting. The limestone kiln( activity limestone kiln ) is used for calcining activity lime and dolomite in iron and steel plant and ferroalloy works Rotary kiln is the equipment which is widely used for dealing with solid material mechanically, physically and chemically in building material, metallurgy, chemical, engineering and environment protection industries. Rotary kiln belongs to building materials equipment. The rotary kiln can be divided into cement kiln, metallurgy chemical kiln and lime kiln according to the different handling materials. During the operation of rotary kiln, fuel burning speed directly influences the quality and production of materials roasting. As a result, customers should have a understanding of influencing factors of rotary kiln fuel burning speed. The main influencing factors are not the reaction of fuel itself but the mixture of coal gas and air as well as raising-heat speed of heated flammable gas after mixing. The mixing degree and the mixing speed between fuel and air(the proportion that help air burn and temperature of heated material) have determined the burning speed and the burning degree in that ignition reaction is faster than mixture. Therefore, preheating the air and coal gas is helpful to improve burning speed and the complete burning of material. Our manager said that we could keep the vacancy position for the females. He said that the market competition is more intense. We are facing with a lot of pressure,maybe our welfare is not perfect,but we are very concerned about it. As for females who would get married,it is unrealistic to maintain too long time for the position,but a month is considerable. However, Manager Zhang promised that if the employees work without any major mistakes,we welcome for their return after maternity leave.

One Proposal for Peace Based on A Modest Proposal Essay -- English Lit

One Proposal for Peace Based on A Modest Proposal There is a grave national crisis occurring all across the nation. Children everywhere are committing acts of hostility in their schools. Schools are no longer a safe haven for children but are now considered war zones where victims are abundant and violence is the enemy. Fifty-seven percent of public elementary and secondary school principals reported that one or more incidents of crime or violence occurred in their schools and were reported to law enforcement officials. Ten percent of all public schools experienced one or more serious violent crimes. Some 6,093 students were expelled during the 1996-1997 academic school year for bringing firearms or explosives to school. Students ages twelve through eighteen were victims of more than 2.7 million total crimes at school as indicated in the School Crime and Safety 2000 Report by U.S. Department of Education and U.S. Department of Justice, 2000. Factors contributing to school violence are numerous, complex, and include the following: poverty, dysfunctional families, lack of paternal involvement, unemployment, truancy, and inner-city environment. Adequate parental supervision and control of these students has weakened, and many students have diminished respect for all forms of authority. As a result, schools are confronted with problems of students possessing weapons, involved with gang recruitment and rivalry, and engaged in drug trafficking. Such problems lead to violent ac...

Corporate Strategy Analysis Discussion Summary Essay

â€Å"Corporate strategy identifies the set of businesses, markets, or industries in which the organization competes and the distribution of resources among those businesses† (Bateman & Snell, 2011). There are four basic alternatives for corporate strategy. These strategies include concentration, vertical integration, concentric diversification and conglomerate diversification. Every company has their type of corporate strategy that they follow to include Coca-Cola, Xerox, Southwest Airlines, and VF. In 2004 Coca-Colas CEO Neville Isdell agrees to come out of retirement and becomes cokes new chief executive. Coca-Cola’s worse drop in sales at 24% resulted in the return of Neville Isdell (Foust, 2014). With the return of Neville, Coca-Cola agreed to use a corporate strategy of their own (vertical integration) when they bought Glaceau’s vitamin water. Coca-Cola also came out with their coffee cola (Coke Blak) and their green tea (Envigo). The decision to purchase vitamin water was vital to the increase of Coca-Cola’s sales and bring them back into competition with PepsiCo. Coca-Cola is using an aggressive strategy to expand globally with their carbonated and non-carbonated drinks. To this day Coca-Cola is still expanding with their products such as Fuze and Gold Peak tea. Anne Mulcahy began the transformation of Xerox by following a concentrated strategy by focusing on a single industry. She pursed concentrated strategy by first reducing Xerox nearly $18 billion in debt. She accomplished this by cutting billions of dollars through slashing of jobs and selling off divisions. Anne Mulcahy then evaluated alternatives by pouring resources into a consulting division; this made the company more accessible for potential clients and customers. She developed a new business strategic plan, although a risky choice helped the organization seize new opportunities or thwart challenges. She also closed the desk top printers division and moved away from expensive consumer  printers with functions nobody wanted. Xerox took new technology and moved into colored digital printing and started developing high end color commercial printers. Xerox made this decision because the profit margin of color pages was five times that of black and white copies. Xerox used the strategy of concentric diversification by moving into a new business that was related to the company’s core business. Xerox then purchased office Services Company and Image Services for 1.5 billion dollars to demonstrate its new marketable high end color digital printers and copier services. References Bateman,T.S., & Snell, S.A. (2011). Management:Leading & collaborating in a competitive world (9th ed.). New York,NY: McGraw-Hill Irwin. Foust, D. (2014). Gone Flat. Retrieved from http://www.businessweek.com/stories/2004-12-19/gone-flat

Essay about Gay and Lesbian Theater - 689 Words

â€Å"Gay and Lesbian Theater† Gay and Lesbian themes were introduced into the theater before the 1960s. Long before homosexual characters were seen in American plays on a regular basis, there were isolated incidents when a gay or lesbian appeared in the plot; they were called freaks when doing so. Many people were often offended by homosexuality. Cross dressing was used in performances that raised concerns about sexual and gender roles: men dressed in drag and women wore men clothing. Festivals were used to educate and entertain audiences. The theater festival was introduced to spread awareness on issues, themes, and problems that deals with gay and lesbian lifestyles in the theater. Edward Albee, William Inge, and Tennessee Williams all†¦show more content†¦Viewers are less likely to accept same-sex lovers than the company who hires them. The text stated that gay, lesbian, and bisexual actors support the Queer Theory considers the â€Å"performative† nature of gender: the idea that gender â€Å"identity† is actually nothing more than a â€Å"role† actor learns to do what’s necessary. Actors may be more skilled at their role with this type of experiment and not be judged by society, if that statement is true. Living double lives in the theater wasn’t very hard to do. Publicist often manipulated the media making easier for actors to do so. Actors such as Montgomery Clift, James Dean, Greta Garbo, Cary Grant, and Randolph Scott lived these constricted lives. The text stated that 29 percent of Americans would be â€Å"less interested† in seeing their favorite actor perform in a movie or TV show if they learned tha t he or she was â€Å"gay† in 1995. Many actors who were gay often didn’t want their named linked to anything they choose to provide to the media. Gay and lesbian actors are more seen in films and on stage a lot more today. Sexuality is still a question rather it should be should treated as heterosexuals would still remains. You can enjoy an ordinary film the same you would a film with homosexuals. As I stated early I’ve viewed a play with men dressed in drag as well as men dating women in a play. Their acting skills are just the same. Who or howShow MoreRelatedBlack History After American History900 Words   |  4 Pagessuffered in America, Canada, and the United Kingdom especially African Americans; therefore, a month was created to raise awareness of their culture and the role they played in American history. There are other minorities such as Latinos and the Gay/Lesbian community who have suffered and played a huge role in American history who deserve an annual celebration of achievements by Mexican Americans. 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