MTW European Type Trapezium Mill
Input size:30-50mm
Capacity: 3-50t/h
LM Vertical Roller Mill
Input size:38-65mm
Capacity: 13-70t/h
Raymond Mill
Input size:20-30mm
Capacity: 0.8-9.5t/h
Sand powder vertical mill
Input size:30-55mm
Capacity: 30-900t/h
LUM series superfine vertical roller grinding mill
Input size:10-20mm
Capacity: 5-18t/h
MW Micro Powder Mill
Input size:≤20mm
Capacity: 0.5-12t/h
LM Vertical Slag Mill
Input size:38-65mm
Capacity: 7-100t/h
LM Vertical Coal Mill
Input size:≤50mm
Capacity: 5-100t/h
TGM Trapezium Mill
Input size:25-40mm
Capacity: 3-36t/h
MB5X Pendulum Roller Grinding Mill
Input size:25-55mm
Capacity: 4-100t/h
Straight-Through Centrifugal Mill
Input size:30-40mm
Capacity: 15-45t/h
High temperature slag forced water cooling steam recovery
Energy recovery from high temperature slags ScienceDirect
2011年9月1日 The slag temperature is adjusted to 500–800 °C in the fluidized bed by controlling the ratio of recycled to liquid slag The heat is primarily (65%) recovered into high pressure 2021年6月14日 From the perspective of energy recovery, the threestage threemedium waste heat recovery process can recycle the heat of molten slag in the form of hightemperature ThreeStage Method Energy–Mass Coupling HighEfficiency 2023年8月1日 Results have revealed that fCaO in steel slag can be completely hydrolyzed to calcium hydroxide after immersion in water for some time Hot smothering technology based Energy and exergy analysis of waste heat recovery from 2024年4月22日 Maruoka et al explored hightemperature steel slag waste heat recovery based on methanesteam reforming reaction (MSR) The waste heat recovery system uses a rotary Research progress of hydrogen production and CO2 fixation
Granulation and Heat Recovery from Metallurgical Slags
2019年12月9日 Without water cooling, evaporation loss is about 1 m 3 of water per t slag whereas with water cooling, this drops to about 07 m 3 /t slag Water cooling also significantly 2013年12月1日 Molten slag exhausted with critically high temperature of about 1450–1550 °C is a potential resource of energy and raw materials Water quenching is a traditional heat A review of waste heat recovery technologies towards molten slag 2020年2月24日 Through the technical comparison and analysis of the packed bed, fluidized bed and moving bed waste heat recovery scheme, it is concluded that the moving bed has REVIEW OF WASTE HEAT RECOVERY TECHNOLOGIES 2020年2月27日 On this basis, in order to achieve efficient waste heat recovery and resource utilization of centrifugal granulated blast furnace slag particles, this paper puts forward specific RESEARCH OVERVIEW ON RECOVERY OF WASTE HEAT
[PDF] Waste Heat Recovery from HighTemperature Blast Furnace Slag
2017年3月1日 Based on the problem mentioned above, a technique of thermal energy recovery from high temperature slag particles using gravity bed waste heat boiler was exploited The 2020年2月24日 granulated blast furnace slag particles at high temperature Fig 7 Moving Bed Recovery Scheme of Research Team of Xi'an Jiaotong University Siyi Luo[9] of Qingdao University of Technology proposed technical scheme of biomass pyrolysis using waste heat from blast furnace slag(As was shown Fig8) High temperature slag particles produced by REVIEW OF WASTE HEAT RECOVERY TECHNOLOGIES 2015年12月1日 The specific heat of air is low, and there must be a great amount of air to cool the hightemperature molten slag, thus indicating high energy consumption In the process of producing electrical power using the thermal energy of molten slag, the recovery efficiency of thermal energy is low due to the energy lost in every step of the processThermal energy recovery from hightemperature blast furnace slag 2020年11月18日 Cita on: Okorie O (2020) High Temperature Rheological Characteris cs of Iron and Steel Making Slag and its Waste Heat RecoveryA Review Adv Metallurg Mater Eng 3(1):104116 OkorieHigh Temperature Rheological Characteristics of
Hightemperature modification and airquenching granulation of steel slag
2021年8月5日 21 Materials Lack of the conditions of direct airquenching of liquid steel slag, this experiment uses cooled steel slag as the raw materials (as shown in Fig 1), which are firstly remelted in a small DC arc furnace and then used for the airquenching processThe raw materials in this experiment are untreated converter steel slag and waterquenched BF slag 2020年7月5日 In this paper, a novel heat pipe thermoelectric generator (HPTEG) is designed for simultaneous hightemperature waste heat recovery and electricity generation The HPTEG has a broad application potential in hightemperature waste heat recovery For example, the HPTEG can be used to recover heat from hightemperature waste gas and molten slagExperimental study on heat pipe thermoelectric generator for industrial 2024年4月22日 Research progress of hydrogen production and CO 2 fixation in molten slag cooling process Chaogang Zhou, heat exchange is carried out between steel slag and air, then air and water generate steam, and heat recovery from steel slag via steam Steam could be conveniently used as a heating medium to directly and indirectly utilize local Research progress of hydrogen production and CO2 fixation 2017年3月1日 Based on the problem mentioned above, a technique of thermal energy recovery from high temperature slag particles using gravity bed waste heat boiler was exploited The waste heat boiler can produce steam obtained in the upper part of the gravity bed boiler and the heat recovery rate can reach as much as 91%[PDF] Waste Heat Recovery from HighTemperature Blast Furnace Slag
Review A review of boiler waste heat recovery technologies
2021年12月15日 Compared with EHP, AHP is more widely used in waste heat recovery systems, because AHP can be driven by natural gas, steam, hot water or flue gas with a high temperature [40] Fig 5 (b) depicts the schematic diagram of the AHP system driven by natural gas AHP mainly consists of a generator, an evaporator, a condenser and an absorber2020年2月27日 of semimelt and widescreening particles and the hightemperature waste heat recovery technology of hightemperature slag particles Keywords: Waste Heat Recovery, Particle phase transformation, High temperature slag 1 INTRODUCTION As a pillar industry of national economy, iron and steel industry is an important symbol of nationalRESEARCH OVERVIEW ON RECOVERY OF WASTE HEAT 2011年4月19日 (5) The thermal energy of high temperature slag is wasted without recovery To solve these problems, we studied the dry granulation of the molten slag by rotary cup atomizer (RCA) The molten slag System for Recovering Waste Heat from High Temperature Molten Blast 2015年12月1日 The water pipes were arranged in the bed and the cooling water absorbed heat from the BF slag particles, resulting in the generation of hightemperature steam used for power generation in the Thermal energy recovery from hightemperature blast furnace slag
Energy Saving and Emission Reduction from the Steel
2016年10月18日 The steel industry is an energyintensive and CO 2intensive industry and the greenhouse gas (GHG) emission in the steel industry was more than 295 billion tons in 2012, which faces the great challenge of energy saving and CO 2 emission reduction in the context of global warming The heat recovery from high temperature slags (1450–1650 °C) from the 2017年3月3日 between air and high temperature slag particles was intense, so the high temperature slag particles can be cooled down completely for a short time Before the cooling time reached 770s, temperature of air at the entry (08m) kept at a constant high temperature level After 770s, temperature of air at the entryWaste Heat Recovery from HighTemperature Blast 2019年4月3日 3 Development of Slag Heat Recovery Process 31 Design of Slag Heat Recovery Pilot Plant The slag heat recovery pilot plant which was built in this development is a counterflow packed bedtype heat exchanger like the one used in coke dry quenching (CDQ) However, when compared in the same conditions (same volume and charging temperature), theDevelopment of Heat Recovery System from 2020年7月10日 As depicted in Fig 1, the present authors have developed an integrated steam modification process towards utilizing steel slag wastes to achieve hydrogen production, iron recovery, heat recovery, and volumetric stabilization, simultaneously [11]The incorporation of steam oxidation (Eq (1)) and hydration [12] (Eq (2)) reactions along the hot to cold cooling Hydrogen generation characteristics of steel slagsteam high
Experimental investigation and modeling of cooling processes of high
2014年9月16日 The treatment of high temperature molten slag usually involves a phase change cooling process coupled with crystallization behavior, which is a very challenging process and will significantly 1 Introduction The basic oxygen steelmaking (BOS) process produced over 70% of the global crude steel in 2018, [] generating 100 to 150 kg of slag (“BOS slag”) for every tonne of crude steel produced BOS slag, a product of hot metal element (eg, Si, Mn, Fe, P) oxidation and flux (eg, lime, dolomite) dissolution, plays a critical role in the production of highquality crude steelBasic Oxygen Steelmaking Slag: Formation, Reaction, and 2021年6月24日 The first module cools the slag from the tapping temperature of about 1500 °C down to 850 °C Inside the second module, more thermal energy is gathered from the already solidified slag cooling the slag down to ambient temperature The captured energy can be used for various processes, such as gas preheating or generation of steam The Process Concept for the Dry Recovery of Thermal Energy of 2012年7月31日 After hightemperature slag particles are obtained on the basis of dry granulation, researchers study physical and chemical recovery methods around the waste heat recovery of hightemperature slag Waste Heat Recovery from Blast Furnace Slag by Chemical
Thermodynamic Analysis of Thermochemical Recovery
As high temperature waste from steelworks, molten BF slag is selected in this study as an example, then its cooling phenomena to room temperature is taken as an objective process The point is high temperature, 1773K, of slag This method will be also applicable easily to other wastes; such as other slags and LDGsteel slag is cooled by natural cooling, water cooling, stirring cooling and other methods The cooling rate and trend of steel slag are relatively consistent The cooling rate in the high temperature section before 10 min is relatively large; After 10min, as the temperature of the steel slag itself decreases, a black slag layer is formed onDevelopment of waste heat recovery technology from 2018年3月30日 The heating water, which is cooled and returned from the heat consumer via the return pipe, is led to the condenser of the hightemperature heat pump, where it is preheated and then led to the hot Technical Aspects and Energy Effects of Waste 2024年10月15日 Traditional water treatmentcrushing granulation methods can achieve BFS granules with up to 95 % glass phase content [3]However, these methods did not considerate energy recovery and utilization, and caused significant water waste and environmental pollution [4]Dry granulationhigh temperature granules heat recovery was proposed as an alternative to Waste heat recovery of blast furnace slag considering
Recent research progress on recycling metallurgical waste slag
2024年11月1日 The hightemperature oxidation and the molten hot oxidation methods entail higher costs and contribute to SO 2 pollution in the environment The solidstate hydrothermal leaching method results in substantial wastage of cooling water and slag heat during treatment, leading to H 2 S pollution In recent years, a novel method for treating system On the contrary, using hightemperature boiler feed water can greatly reduce its harm However, there is little thermodynamic analysis and research on the technology of hightemperature boiler feed water recovery of mid−lowtemperature flue gas waste heat At the same time, in the research of flue gas waste heat recovery technology, thePerformance Analysis of the Technology of High 2020年3月3日 A variant of utilizing of slag physical heat in drumlike installations has been considered A hightemperature melt is delivered to movable metal bodiesResearch Overview on Recovery of Waste Heat from High Temperature Slag 2023年4月15日 The BF slag is emitted at a very high temperature of 1600 Kelvin or above and thus contains a huge amount of waste heat of ∼ 1700 MJ/ton [4] Yet, the hightemperature BF slag is conventionally treated by the water quenching method, which fails to recover the waste heat, and incurs extra energy and freshwater consumption [5]Unraveling the role of chemical composition in the critical cooling
ThreeStage Method Energy–Mass Coupling HighEfficiency
2021年6月14日 From the perspective of energy recovery, the threestage threemedium waste heat recovery process can recycle the heat of molten slag in the form of hightemperature steam and hightemperature air, and realize the cascade recovery of waste heat from steel slag The heat recovery rate of steel slag is greater than 80 pct2020年11月16日 Based on this problem encountered, they exploited a technique of thermal energy recovery from high temperature slag particles using gravity bed waste heat boiler to produce steam Its heat recovery rate reached as much as 91% Deng, et al studied aircooling waste heat recovery from molten slag of slagtap boilers They reported that thermal High Temperature Rheological Characteristics of Iron and 2024年9月9日 Heat Transfer Research 364 Gan, Shangguan, Zhou ss2 2 s 1 p TT Ckrq tr rr ∂∂∂⎛⎞ ρ= +⎜⎟ ∂∂ ∂⎝⎠ , (1) where T is the temperature, Cp is the specifi c heat, and k is the SIMULATION OF HEAT TRANSFER AND 2020年2月24日 granulated blast furnace slag particles at high temperature Fig 7 Moving Bed Recovery Scheme of Research Team of Xi'an Jiaotong University Siyi Luo[9] of Qingdao University of Technology proposed technical scheme of biomass pyrolysis using waste heat from blast furnace slag(As was shown Fig8) High temperature slag particles produced by REVIEW OF WASTE HEAT RECOVERY TECHNOLOGIES
Thermal energy recovery from hightemperature blast furnace slag
2015年12月1日 The specific heat of air is low, and there must be a great amount of air to cool the hightemperature molten slag, thus indicating high energy consumption In the process of producing electrical power using the thermal energy of molten slag, the recovery efficiency of thermal energy is low due to the energy lost in every step of the process2020年11月18日 Cita on: Okorie O (2020) High Temperature Rheological Characteris cs of Iron and Steel Making Slag and its Waste Heat RecoveryA Review Adv Metallurg Mater Eng 3(1):104116 OkorieHigh Temperature Rheological Characteristics of 2021年8月5日 21 Materials Lack of the conditions of direct airquenching of liquid steel slag, this experiment uses cooled steel slag as the raw materials (as shown in Fig 1), which are firstly remelted in a small DC arc furnace and then used for the airquenching processThe raw materials in this experiment are untreated converter steel slag and waterquenched BF slag Hightemperature modification and airquenching granulation of steel slag2020年7月5日 In this paper, a novel heat pipe thermoelectric generator (HPTEG) is designed for simultaneous hightemperature waste heat recovery and electricity generation The HPTEG has a broad application potential in hightemperature waste heat recovery For example, the HPTEG can be used to recover heat from hightemperature waste gas and molten slagExperimental study on heat pipe thermoelectric generator for industrial
Research progress of hydrogen production and CO2 fixation
2024年4月22日 Research progress of hydrogen production and CO 2 fixation in molten slag cooling process Chaogang Zhou, heat exchange is carried out between steel slag and air, then air and water generate steam, and heat recovery from steel slag via steam Steam could be conveniently used as a heating medium to directly and indirectly utilize local 2017年3月1日 Based on the problem mentioned above, a technique of thermal energy recovery from high temperature slag particles using gravity bed waste heat boiler was exploited The waste heat boiler can produce steam obtained in the upper part of the gravity bed boiler and the heat recovery rate can reach as much as 91%[PDF] Waste Heat Recovery from HighTemperature Blast Furnace Slag 2021年12月15日 Compared with EHP, AHP is more widely used in waste heat recovery systems, because AHP can be driven by natural gas, steam, hot water or flue gas with a high temperature [40] Fig 5 (b) depicts the schematic diagram of the AHP system driven by natural gas AHP mainly consists of a generator, an evaporator, a condenser and an absorberReview A review of boiler waste heat recovery technologies 2020年2月27日 of semimelt and widescreening particles and the hightemperature waste heat recovery technology of hightemperature slag particles Keywords: Waste Heat Recovery, Particle phase transformation, High temperature slag 1 INTRODUCTION As a pillar industry of national economy, iron and steel industry is an important symbol of nationalRESEARCH OVERVIEW ON RECOVERY OF WASTE HEAT
System for Recovering Waste Heat from High Temperature Molten Blast
2011年4月19日 (5) The thermal energy of high temperature slag is wasted without recovery To solve these problems, we studied the dry granulation of the molten slag by rotary cup atomizer (RCA) The molten slag