Yankuang Group is a Fortune 500 company located in ShanDong, China, which mainly engaged in mining and high-end coal chemicals. The group is committed to optimize the technology of coal clean combustion, customize coal clean combustion complete technology and ultra-low emission overall solutions to promotes the healthy development of the ecological environment. In order to explore a new way, Yankuang Group has cooperated with Hcmilling (Guilin Hongcheng) closely and ordered five ultra-fine grinding mills featuring high-efficiency, high throughput rate, and environmentally friendly, to create more value.

Recently, Mr. Rong Dongguo, President of Hcmilling (Guilin Hongcheng), led a return visit team to Yankuang Group, had visited the operation condition of the entire clean coal grinding mill compound additive production line. The site is clean and tidy, the equipment runs smoothly, the capacity is high, the line has greatly saved the comprehensive investment and reduced the energy consumption, which is highly praised by customer.

Project Scheme details

Mill Model: HCH1395 ultra-fine grinding mill

Number of equipment: 5 sets

Grinding material: limestone

Fineness: 10μm

Production capacity: 4-5 tons / hour

Application of finished product: this coal pendulum mill can process high-efficiency compound additive for clean briquette processing

Project Introduction

The production line went through the processes of trial grinding, project design, manufacturing, installation and commissioning, and each phrase was beyond the customer's expectations, which led Yankuang Group ultimately determined to adopt the five HCH ultra-fine grinding mills for the production of compound additives instead of the original ball mill production plan. It is proved that’s a wise decision, which has saved up to USD 6 million dollars of overall investment, and reduced energy consumption dramatically. The production line is the optimum equipment for clean energy and promote clean coal.

Final product processed by dry pressing

1# Clean coal

2# Clean coal

3# Clean coal

Coal powder

1# High performance composite additive

The Development Prospect of Clean Coal

Yankuang Group aims at a modern coal efficient and clean utilization system of "clean, efficient, low-carbon, safe and sustainable", focuses on developing coal clean and efficient utilization, coal complementary industries and strategies emerging industry.

High-efficiency composite additives are vital part of the entire clean coal production project. By fully mixing with ordinary bituminous coal powder, it can be made into clean coal,

 which can allow the combustion of sulfur dioxide emissions less than the level of 0.4% superior "ultra-low sulfur coal", the efficiency of burning sulfur fixation reaches 60-95%, which achieves the environmental protection effect of superior ultra-low sulfur coal.

Energy saving and consumption reduction is the trend of the coal-fired industry. Hcmilling (Guilin Hongcheng) has launched the EPC service of clean coal mill production line to satisfy the market requirements.

The advantages of Hcmilling (Guilin Hongcheng) clean coal grinding system

 1.High throughput rate

Even air distribution and decreased pressure drop, reducing energy consumption.

2. High efficiency of classification

The forced turbine classification system for even and fine particle size, fineness can be altered from 325-2500 mesh.

3. Clean and environmental protection

Full pulse dust collection system for clean and dust free condition.

4. Long service lifetime

Hard surfaced overlaid grinding rolls for improved performance and excellent wear.

5. Compact and complete system

The base of the main machine adopts integral casting structure for minimum noise and low maintenance.

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