In the next 5 years, these 7 energy-saving technologies will be promoted and applied in the ceramic tile industry.
Ceramic raw material dry milling technology
The dry milling technology is popularized compared to the wet milling technology. It is suitable for the preparation of ceramic raw materials in the building materials industry. It uses the “rough→fine, dry→dry” process to dry and finely grind the raw materials. The fine powder is mixed with water to complete humidification and granulation, and the excessively wet powder is dried, sieved and suffocated (staple) to prepare a powder for dry pressing forming.
In terms of performance, dry milling technology directly saves water by more than 70% compared with wet milling, and can reduce heat consumption. Through intelligent control, each process is automatically monitored to save manpower and material resources, reduce scrap rate, and improve The effect of production efficiency.
The current promotion ratio of this technology is only 1%. It is estimated that in the next 5 years, the proportion of promotion and application will reach 10%, energy saving will be 2.23 million tce/a, and CO2 emission reduction will be 6.02 million t/a.
Preparation and application technology of dry high strength ceramic grinding body
Dry high-strength ceramic grinding body preparation and application technology is suitable for dry non-metallic mineral grinding. The use of high conversion, small primary diameter, low sodium content calcined alpha alumina instead of chrome steel ball is used in grinding equipment, reducing the filling load of the mill, reducing the sintering temperature, reducing the power consumption of the grinding system, and avoiding the steel ball production process. The problem of chromium contamination in the process.
The application of this technology can make the particle grading better and more wear-resistant; at the same time, it can cool down and reduce noise, can effectively solve the problem of high temperature of abrasive in summer, reduce noise by 15-20 decibels; more green and environmental protection, eliminating the use of high chrome Hexavalent chromium contamination of steel balls.
The preparation and application technology is currently popularized at 10%. It is expected that the promotion rate will reach 30% in the next 5 years, and 60% in the machine tool industry, energy saving is 94,300 tce/a, and CO2 emission reduction is 24.52 million t/a.
Mechanical wear ceramic alloy automatic repair technology
Mechanical wear ceramic alloy automatic repair technology is suitable for all mechanical equipment using lubricating oil (fat). The ceramic alloy powder is added to the lubricating oil (fat). During the friction lubrication process, the ceramic alloy powder and the iron-based surface metal undergo a mechanical chemical reaction, which automatically generates high hardness, high smoothness, low friction coefficient, wear resistance, corrosion resistance, etc. The characteristic ceramic alloy layer realizes the mechanical wear repair and efficient operation of the equipment.
In terms of performance, the technology can achieve on-line repair: wear on mechanical equipment, achieve "non-disintegration", dynamic in-situ repair; at the same time can generate ceramic alloy: ceramic alloy layer automatically generated on the metal friction surface, with superhard, Ultra-slip, corrosion-resistant, high-temperature resistance and other characteristics.
The current promotion ratio of this technology is <1%. It is estimated that in the next 5 years, the proportion of promotion and application can reach 15%, energy saving is 555,000 tce/a, and CO2 emission reduction is 1.48 million t/a.
Industrial boiler general intelligent optimization control technology (BCS)
Industrial Boiler General Intelligent Optimization Control Technology (BCS) is suitable for a variety of industrial and industrial furnaces. The technology uses advanced soft measurement, process optimization control, fault diagnosis and self-healing control, large system coordination optimization, intelligent software interface, enterprise-level big data mining, neural network predictive control and other technologies to achieve safety and stability of boiler (kiln) devices. Run with the economy.
The technology can significantly improve the stability and safety of the system operation; the process control index is significantly better than the original control level; significantly reduce fuel consumption: the energy saving rate of fuel for coal is above 1.5%, and the energy saving rate of fuel for gas is more than 3.0%. In terms of performance, technology can automatically control functions; achieve coordinated optimization of large systems; safety control technology; rolling optimization technology: the furnace is in the highest efficiency operating state.
The current promotion ratio of this technology is only 1%. It is estimated that in the next 5 years, the proportion of promotion and application can reach 30%, energy saving can be 2 million tce/a, and CO2 emission reduction is 5.4 million t/a.
Cooling tower water vapor deep recovery energy-saving technology
Cooling tower water vapor deep recovery energy-saving technology This technology is suitable for energy-saving technical transformation of cooling towers. The technology uses a steam condensate recovery unit consisting of parallel spaced channels (cold air and wet hot air, separated by partitions) and heat exchanger plates to recover heat and condensate from the cooling tower water vapor. The recovered condensed water continues to enter the circulating water equipment to participate in the cooling process. The recovered heat is used to eliminate the white mist of the cooling tower, eliminating the traditional electric heating to eliminate the white mist energy consumption and reducing the water vapor dissipation.
The promotion and application of this technology eliminates the extra energy consumption of white fog in autumn and winter, does not affect the temperature drop of circulating water, does not increase the head of circulating water pump, does not increase the power consumption of the fan, and has obvious energy-saving effect; reducing the carrier and section of smog formation Water environmental protection.
The current promotion ratio of this technology is only 1%. It is estimated that in the next 5 years, the proportion of promotion and application can reach 20%, energy saving is 63,000 tce/a, and CO2 emission reduction is 17.01 million t/a.
Efficient large-scale coal water slurry gasification technology
Efficient large-scale coal-water slurry gasification technology This technology is applicable to energy-saving technological transformation and coal-based syngas in the chemical industry. After the coal water slurry and oxygen enter the gasification chamber, physical and chemical processes such as atomization, heat transfer, evaporation, devolatilization, combustion, gasification, etc. are successively performed. The coal slurry particles are turbulent dispersion and oscillating movement in the gasification furnace. Convection heating, radiant heating, coal slurry evaporation, devolatilization precipitation, and gas phase reaction form a gas and ash mainly composed of CO and H2. The produced syngas is purified by fractional purification to meet the requirements of the subsequent section. At the same time, the syngas produced by the direct heat exchange type slag water treatment system is purified by the 56-stage purification to meet the requirements of the subsequent section, and the direct heat exchange type slag water treatment system is adopted.
The technology is easy to be large in performance; the process performance index is advanced; the life of the gasifier refractory brick is prolonged; the life of the gasifier burner is long; the structure of the gasification furnace chilling chamber has advantages.
The current promotion ratio of the technology has reached 10%. It is estimated that in the next five years, the proportion of promotion and application can reach 15%, energy saving is 1.623 million tce/a, and CO2 emission reduction is 4.382 million t/a.
High-efficiency clean combustion technology of coal water slurry
This technology is suitable for the efficient cleaning and utilization of coal. The technology is based on fluid state reconstruction. The high-efficiency clean combustion technology of suspended fluidized coal-water slurry covers gas-solid two-phase flow, combustion, heat transfer and pollution control in the furnace. Under the premise of ensuring high thermal efficiency and high burning rate. Solve the problem of nitrogen oxides and sulfur dioxide pollutants emissions from the boiler side of the heat source, so that the original emissions of nitrogen oxides and sulfur dioxide in boilers meet the ultra-low emission standards. Through the adiabatic high-efficiency cyclone separator and the returning device, the utilization rate of the coal material is improved, the replenishing amount of the coal material is reduced, and the combustion efficiency is improved; the bed temperature is lowered by the circulation of the coal material to further improve the coal slurry burning Rate.
In terms of performance, the technology can achieve low-temperature and low-nitrogen combustion, improve the height of the reducing atmosphere in the lower part of the furnace, and greatly reduce the original NOx emission concentration (<50mg/m3); efficient desulfurization in the furnace to achieve direct desulfurization during combustion. The desulfurization efficiency can reach over 95%; the efficient combustion, the boiler efficiency is up to 90%.
The current promotion ratio of the technology is 3.14%. It is expected that the proportion of promotion and application will reach 5.8% in the next 5 years, which will result in energy saving of 1.82 million tce/a and CO2 reduction of 4.914 million t/a.
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