"2023 China Cement Energy Conservation and New Energy Development Conference" was held grandly!

On July 6, the "2023 China Cement Energy Conservation and New Energy Development Conference" sponsored by China Cement Network was held in Chongqing, a mountain city. The theme of this

conference is "energy saving and cost reduction, green energy helps to improve quality and efficiency". Bo Kegang, Chairman of Sichuan Cement Association, Secretary of the Party Committee and President of Southwest Cement Co., Ltd., Cui Cheng, Researcher of Macroeconomic Research Institute of National Development and Reform Commission,; Zhang Zhenkun, Chairman of China Cement Network and CEO of Asia Cement (China) Holding Company; Lv Zhijian, Chairman of Xinjiang Building Material Industry Association; Xiong Ke, Secretary-General of Chongqing Cement Association; Chairman Unit of China Cement Network, Eastern Hope

How to find a way out and vitality for the development of cement industry under the predicament?

Cui Cheng introduced distributed photovoltaic, photovoltaic building integration, perovskite photovoltaic, crystalline silicon photovoltaic, energy storage, hydrogen energy, electric vehicle and other related content, he said that wind, light, energy storage, hydrogen, ammonia, high temperature gas-cooled reactor, small reactor, CCUS and other future technologies are highly uncertain; It is extremely necessary to strengthen R & D and demonstration, but it is not appropriate to carry out construction everywhere. Different stages have different characteristics, so it is necessary to make overall strategic consideration. At the same time, special attention should be paid to the sunk cost of existing equipment and personnel transfer (not only related to cost market competition); early transformation or merger and acquisition of similar industries is a favorable way.

Xiong Ke said that the more serious the situation is, the more we need to work together, pool our wisdom and efforts, and promote technology in order to make steady progress, so as to achieve high-quality development and stable efficiency. The association is willing to become a pusher of the industry and enterprises, and work with colleagues to jointly promote the healthy, green, orderly and high-quality development of the cement industry.

Pan Jingong said that the research and development of cadmium telluride power generation glass has solved four major problems in the domestic industrial field. The first is the purification of elemental materials: the physical and chemical properties of tellurium and key impurities such as arsenic and selenium, such as deposition potential and saturated vapor pressure, are close, and it is extremely difficult to remove and separate impurities from raw materials containing tellurium and high-purity tellurium. The second is the preparation of semiconductor alloy: cadmium telluride alloy has high vapor pressure in the preparation process, the product segregation is serious, and it is very easy to explode. The third is the development of coating process: it is difficult to control the temperature field when coating on a large area of substrate glass, and the substrate deformation caused by gravity and high temperature coupling can not achieve uniform coating. The fourth is the design of complete equipment: in the process of dynamic continuous coating, there are defects inside the film and between the interfaces of different films, which makes it difficult to achieve stable mass production.

Zhang Zhenkun emphasized that with the decrease of cement demand, the output of rotary kiln is not the higher the better, but to find the best output, to achieve the lowest cost and the best quality. At the same time, we should not only produce high-quality cement, but also produce high-performance concrete, from cement, aggregate, machine-made sand, admixture, concrete and other aspects to make a long and wide industrial chain, enhance brand value and improve the overall operating results.

Shao Jun pointed out that while reducing costs and increasing efficiency, cement practitioners should also look for new development directions. Semiconductor and new energy are well-known future directions, and these two tracks have huge growth space in the future. In fact, the cement industry is not only a simple traditional building materials manufacturing industry, but also a future ecological industry with environmental protection, energy transfer and other functions.

. The fire concentration of rotary kiln is the core to improve the temperature of the burning zone. The heat of pulverized coal should be brought into full play in the burning zone as far as possible. The combustion efficiency of pulverized coal is the key to affect the fire concentration of rotary kiln. The factors affecting the combustion efficiency of pulverized coal include: quality and fineness of pulverized coal; burner; temperature of secondary air; air speed in the kiln and combustion air volume of pulverized coal; under the condition that the equipment and pulverized coal are unchanged, the temperature of secondary air should be increased as much as possible, the combustion speed of pulverized coal should be increased, and the air speed in the kiln should be reduced as much as possible while meeting the ventilation in the kiln.

Liu Wei emphasized that the successful application of driverless technology in mines is of great significance to enhance the level of mine technology and drive the growth of mining technology. It can greatly enhance the level of mine production and management, and liberate the labor force of some mine production and construction operations to a large extent, thus creating a better guarantee for the safety of personnel operations.

Wei Yu emphasized that distributed photovoltaic has broad prospects. First, the filing procedure of industrial and commercial distributed photovoltaic is simpler, the voltage level is lower and it is not controlled by the index scale. Second, industrial energy consumption is constrained. Third, the rate of return is higher. Fourth, tax incentives. However, it should be noted that the mode of promoting distributed photovoltaic in the whole county is not yet mature, Shaanxi and Jiangxi have encountered many problems, and the projects are scattered, requiring more personnel.

, the output of clinker will be about 1.43 billion tons, and the coal consumption will exceed 1. Cement consumes a lot of energy and resources in production. How to improve energy efficiency and reduce emissions has always been an important task for the industry to achieve high-quality development, and also an important guiding point for policy. What are the ways to improve the energy efficiency level of cement industry in the

future? The second is to upgrade energy-saving technology and equipment, and carry out technical transformation of preheater, fan, motor frequency conversion, kiln burner, etc. To save electricity and improve the combustion speed of pulverized coal. The third is to build an energy management and control center to monitor and control all energy-using equipment in each production process, and to refine the analysis of energy use. Fourth, vigorously promote the co-disposal of solid waste, cement kiln co-disposal of domestic waste, municipal sludge, hazardous waste, etc., to improve the fuel substitution rate.

https://img7.ccement.com/richtext/img/e16n2oyjfmn1688638970102., she said, Anticorrosive materials for kiln tail chimney and dust collector must have three fatal elements: superior ductility and flexibility, superior seismic performance and thermal conductivity, and superior high temperature resistance. The high temperature graphite anticorrosive coating not only has excellent flexibility and ductility, but also has many characteristics, such as good thermal shock resistance, strong alkali and weak acid resistance, super anticorrosive performance and so on.

> < IMG SRC =" What are the new technologies, new ideas, and new thoughts of the https://img7.ccement.com/richtext/img/hpfmbo8hy4i1688639174674. tomorrow?