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Analysis on the Development Trend of China's Valve Standards

(1) Strengthen the connection between standards and scientific research, especially the research of major national scientific and technological projects, guide key enterprises with advanced scientific research and technology, transform the achievements of independent innovation into standards, and promote the development of new technologies and new processes. The National Valve Standard Committee is now developing the national standard "intelligent valve electric device". Valve intelligent electric device, is a new product developed at the beginning of this century abroad, China through the introduction and research and development, has mastered the technology, and the development is very fast. Yangzhou Electric Power Building, Tianjin Ertong, Wenzhou Rotok, Changzhou Power Station Auxiliary Equipment, etc. can be produced, and the product quality is also quite good. Development of high technology-inclusive

16

2012

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05

Application of glass fiber coated filter bag in kiln head dust collector

Shanghai Pudong Cement Plant has built the first domestic self-designed and manufactured dry pre-decomposition production line. The first one has adopted an electric bag composite dust collector in the kiln head, and pioneered the use of glass fiber coated filter bags in the system. Since the dust collector has been in operation for more than 3 years, the filter bag has zero damage and the resistance is controlled at 700Pa ~ 950Pa, which has achieved great success and filled the gap in the use of glass fiber coated filter bag in the kiln head dust collector. Now the application of glass fiber coated filter bag in Pudong cement plant is introduced to you, so that readers can get some experience and methods suitable for their own transformation. The production line of Shanghai Pudong Cement Plant is made by Tianjin Cement Industry

23

2012

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04

China's cement industry will usher in ten thousand tons of production line kiln head "bag dust collection" era

With the implementation of the kiln head bag dust collector and air cooler project of Xuzhou Zhonglian Cement Phase II 10000t/d clinker cement production line successfully won by China Building Materials (Beijing) Environmental Protection Engineering Development Co., Ltd., China's cement industry will usher in the era of "bag dust collection" at the kiln head of 10,000-ton clinker production line. It is reported that this is currently the largest single kiln head bag dust collector in China, and it is also the first time that the kiln head of the domestic 10,000-ton clinker production line adopts the method of "air cooler and cloth bag dust collector" for dust collection. This will change the previous 10,000-ton clinker production line kiln head has been using electric dust collector dust collection method, marking China's environmental protection in the field of cement.

16

2012

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04

Operation and Maintenance of Bucket Elevator

1. The bucket elevator must be started in the no-load state. After 2-3 minutes of starting, the material is evenly added to the elevator. The production capacity of the feeding device shall be within the rated delivery capacity of the hoist, and no excessive feeding shall be allowed to prevent the lower part from being blocked by materials. 2. When the hoist is running, it is not allowed to clean and repair the moving parts, and the roller press is not allowed to adjust the tension device. 3. Unload the materials in the machine before stopping. 4. When the hoist is running for about 200 hours after the first use or repair, the chain hoist should carefully re-tighten all bolted joints. 5, to regularly check the operation of various components

14

2012

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04

Guaranteed Housing Drives Cement Stocks to Soar in 12th Five-Year Plan Industry to Maintain High Business

Last week, the biggest winner in the Shanghai and Shenzhen industry sector was the cement sector. Statistics show that the cement building materials industry had a net inflow of 0.911 billion yuan last week, ranking first in the list of net capital inflows. Industry insiders pointed out that although the current cement demand is in a period of low growth, the total number of tasks related to the construction of affordable housing, high-speed rail construction and water conservancy construction in the "Twelfth Five-Year Plan" will not change at will. Therefore, the cement industry is in the "Twelfth Five-Year Plan". During the period, supply and demand will remain basically balanced, and it is expected that there will be a valuation repair market in the industry in 2012. On Friday, cement stocks became the brightest stars in the market. Among them, Guangzheng Steel Structure, Sichuan

07

2012

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04

Building materials industry: policy to warm infrastructure and rural cement demand.

First of all, we believe that since the beginning of this year, following the 12th five-year Plan for the large-scale development of the western region and the 4 trillion of water conservancy, the policy side has once again released positive results, boosted the demand for infrastructure and rural cement, and hedged the risk of a slowdown in real estate investment growth. The plan stipulates that the construction of transportation infrastructure should be seriously promoted. We will build a number of major railway projects and start a number of urgently needed projects in due course; promote the national highway network planning project and rural highway construction, and strengthen the transformation of national and provincial trunk lines; implement a number of waterway and land island transportation projects to improve the navigation conditions of the Yangtze River trunk line; start construction, continue construction and complete a number of airport and urban rail transit projects. Further

28

2012

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03

Analysis of Production Status of Cement Equipment in China from Pengfei

Recently, I went to Jiangsu Pengfei Group to study and study. This is an enterprise that has only taken ten years to become a large-scale kiln grinding cement equipment manufacturing base in China. The person in charge of the enterprise showed us the rotary kiln they made for Libya's export. Because the war could not be shipped, it had the opportunity for the Chinese to watch. Come to the front, let our eyes brighten, its beautiful and perfect degree, compared with the equipment we used to spend high prices to import, it is even worse! Surprised, gave birth to a number of insights, would like to justify themselves from these insights: sentiment one, the domestic cement equipment manufacturing level has reached the proud of the situation, marking the Chinese economy

19

2012

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03

Technical Status and Prospect of Bag Filter

Preface China's energy structure is dominated by coal, China is the world's largest coal consumer, every year there are a large number of soot emissions, serious environmental pollution. Therefore, environmental protection requirements are becoming more and more stringent, and the state has put forward more stringent requirements for soot and S02 emissions. The Emission Standard of Air Pollutants for Thermal Power Plants (GB13223-2003) stipulates that since January 1, 2004, the maximum allowable mass concentration of soot emission is 50mg/m3 for new, expanded and rebuilt thermal power plant construction projects approved by the environmental impact report of the construction project. For the new standard, the current use of electrostatic precipitators

15

2012

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03

Introduction and advantages and disadvantages of bag filter

Bag filter in China's various industrial production departments have a history, and now the bag filter has become a common dust collector for dust removal in most factories. The production of dust collectors is mainly due to the progress of scientific and technological development and the social demand for dust collectors. As a kind of equipment for filtering the exhaust gas discharged from industrial production, the dust collector has been widely used because of the higher and higher emission standards of the factory gas stipulated by the state, and the higher and higher efficiency of the dust collector. In all the dust collector, bag filter is relatively widely used in various factories in the dust removal equipment. This

05

2012

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03

Cement bulk equipment electric flow control valve industry standard

Standard Name Cement Bulk Equipment Electric Flow Control Valve Standard Type the People's Republic of China Building Materials Industry Standard Number JC/T609-1995 1 Subject Content and Scope of Application. Standard Text This standard specifies the product classification, technical requirements, test methods, inspection rules, signs, packaging, transportation and storage of electric flow control valves for cement bulk. Wood standard applies to cement bulk with electric flow control valve (hereinafter referred to as flow control valve). 2 Reference Standard GB/T1804 General Tolerances Final Tolerances for Linear Dimensions GB9439 Gray Iron Castings

24

2012

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