Introduction
With the expansion of industrial production scale, the emissions of slag, water slag and fly ash show a straight-line upward trend. The massive discharge of industrial solid waste has a bad impact on the environment. Under the current severe situation, how to use high-tech means to improve the comprehensive recycling efficiency of industrial solid waste, turn industrial waste into treasure and create due value has become an urgent production task in the national economic construction.
1. Slag: it is an industrial waste discharged during ironmaking. It is a material with "potential hydraulic property", that is, it is basically anhydrous when it exists alone. However, under the action of some activators (lime, clinker powder, alkali, gypsum, etc.), it shows water hardness.
2. Water slag: water slag is the product discharged from the blast furnace after melting the non-ferrous components in iron ore, coke and ash in injected coal when smelting pig iron in iron and steel enterprises. It mainly includes slag pool water quenching and furnace front water quenching. It is an excellent cement raw material.
3.Fly ash: fly ash is the fine ash collected from the flue gas after coal combustion. Fly ash is the main solid waste discharged from coal-fired power plants. With the development of power industry, the fly ash emission of coal-fired power plants is increasing year by year, which has become one of the industrial waste residues with large displacement in China.
Application area
1. Application of slag: when it is used as raw material to produce slag Portland cement, it can be used to produce slag brick and wet rolled slag concrete products. It can produce slag concrete and prepare slag crushed stone concrete. Application of expanded slag and expanded beads expanded slag is mainly used as lightweight aggregate to make lightweight concrete.
2. Application of water slag: it can be used as cement mixture or made into clinker free cement. As a mineral admixture of concrete, water slag powder can replace cement in the same amount and be directly added to commercial concrete.
3. Application of fly ash: fly ash is mainly produced in coal-fired power plants and has become a large single pollution source of industrial solid waste. It is urgent to improve the utilization rate of fly ash. At present, according to the comprehensive utilization of fly ash at home and abroad, the application technology of fly ash in building materials, buildings, roads, filling and agricultural production is relatively mature. The use of fly ash can produce a variety of building materials products, fly ash cement and fly ash concrete. In addition, fly ash has high application value in agriculture and animal husbandry, environmental protection, flue gas desulfurization, engineering filling, recycling and many other fields.
Industrial design
In view of the current situation of industrial solid waste pulverization, the HLM Vertical roller mill and HLMX ultra-fine Vertical grinding mill manufactured by Guilin Hongcheng have a large amount of sophisticated product equipment, which can greatly meet the pulverization demand in the field of industrial solid waste. It is an excellent grinding system specializing in improving production capacity, reducing energy consumption, energy conservation and environmental protection. With the advantages of high yield, energy conservation and environmental protection, high grinding efficiency and low comprehensive investment cost, it has become an ideal equipment in the field of slag, water slag and fly ash, and has made great contributions to environmental protection and improving resource utilization.
Equipment Selection
With the accelerating process of industrialization, the unreasonable exploitation of mineral resources and its smelting discharge, long-term sewage irrigation and sludge application to the soil, atmospheric deposition caused by human activities, and the application of chemical fertilizers and pesticides have caused serious soil pollution. With the in-depth implementation of the scientific outlook on development, China pays more and more attention to environmental protection, and the monitoring of water, air and land pollution is increasing. With the improvement of science and technology, the resource treatment of industrial solid waste is becoming wider and wider, and the application field is also gradually improved. Therefore, the market prospect of industrial solid waste also presents a vigorous development trend.
1. As an expert in powder equipment manufacturing, Guilin Hongcheng can customize and create an exclusive grinding production line solution according to the production needs of the industry. We provide a complete set of technical support and after-sales service support to provide a complete set of product services in the field of solid waste, such as experimental research, process scheme design, equipment manufacturing and supply, organization and construction, after-sales service, parts supply, skill training and so on.
2.The industrial solid waste grinding system built by Hongcheng has made great breakthroughs in production capacity and energy consumption. Compared with the traditional mill, it is an excellent grinding system integrating intelligent, scientific and technological, large-scale and other product features, which can improve production capacity, reduce energy consumption, save energy and clean production. It is an ideal equipment to shorten the comprehensive investment cost and improve the investment efficiency.
HLM vertical roller mill:
Product fineness: ≥ 420 ㎡/kg
Capacity: 5-200T / h
Specifications and technical parameters of HLM slag (steel slag) micro powder vertical mill
| Model | Intermediate diameter of mill (mm) |
Capacity
(th) |
Slag moisture | Specific surface area of mineral powder | Product moisture (%) | Motor power
(kw) |
| HLM30/2S | 2500 | 23-26 | <15% | ≥420m2/kg | ≤1% | 900 |
| HLM34/3S | 2800 | 50-60 | <15% | ≥420m2/kg | ≤1% | 1800 |
| HLM42/4S | 3400 | 70-83 | <15% | ≥420m2/kg | ≤1% | 2500 |
| HLM44/4S | 3700 | 90-110 | <15% | ≥420m2/kg | ≤1% | 3350 |
| HLM50/4S | 4200 | 110-140 | <15% | ≥420m2/kg | ≤1% | 3800 |
| HLM53/4S | 4500 | 130-150 | <15% | ≥420m2/kg | ≤1% | 4500 |
| HLM56/4S | 4800 | 150-180 | <15% | ≥420m2/kg | ≤1% | 5300 |
| HLM60/4S | 5100 | 180-200 | <15% | ≥420m2/kg | ≤1% | 6150 |
| HLM65/6S | 5600 | 200-220 | <15% | ≥420m2/kg | ≤1% | 6450/6700 |
Note: bond index of slag ≤ 25kwh / T. Bond index of steel slag ≤ 30kwh / T. When grinding steel slag, the output of micro powder decreases by about 30-40%.
Advantages and features: Hongcheng industrial solid waste vertical mill effectively breaks through the bottleneck of traditional grinding mill with low production capacity, high energy consumption and high maintenance cost. It is widely used in the recycling of industrial solid waste such as slag, water slag and fly ash. It has the advantages of high grinding efficiency, low energy consumption, easy adjustment of product fineness, simple process flow, small floor area, low noise and small dust. It is an ideal equipment for efficient processing of industrial solid waste and turning waste into treasure.
Service support
Training guidance
Guilin Hongcheng has a highly skilled, well-trained after-sales team with a strong sense of after-sales service. After sales can provide free equipment foundation production guidance, after-sales installation and commissioning guidance, and maintenance training services. We have set up offices and service centers in more than 20 provinces and regions in China to respond to customer needs 24 hours a day, pay return visits and maintain the equipment from time to time, and create greater value for customers wholeheartedly.
After-sale service
Considerate, thoughtful and satisfactory after-sales service has been the business philosophy of Guilin Hongcheng for a long time. Guilin Hongcheng has been engaged in the development of grinding mill for decades. We not only pursue excellence in product quality and keep pace with the times, but also invest a lot of resources in after-sales service to shape a highly skilled after-sales team. Increase efforts in installation, commissioning, maintenance and other links, meet customer needs all day, ensure the normal operation of equipment, solve problems for customers and create good results!
Project acceptance
Guilin Hongcheng has passed ISO 9001:2015 international quality management system certification. Organize relevant activities in strict accordance with the certification requirements, conduct regular internal audit, and continuously improve the implementation of enterprise quality management. Hongcheng has advanced testing equipment in the industry. From casting raw materials to liquid steel composition, heat treatment, material mechanical properties, metallography, processing and assembly and other related processes, Hongcheng is equipped with advanced testing instruments, which effectively ensures the quality of products. Hongcheng has a perfect quality management system. All ex factory equipment are provided with independent files, involving processing, assembly, testing, installation and commissioning, maintenance, parts replacement and other information, creating strong conditions for product traceability, feedback improvement and more accurate customer service.
Post time: Oct-22-2021
