Cement/Sand Industry Three-Cylinder Rotary Dryer

We absorb the management experience of large enterprises in our company management, implement total quality management, and establish a scientific quality assurance system to ensure the product quality of processed Bucket Elevator, Coal briquette making machine, Impulse Dust Collector. We adhere to the concept of innovation leading the future, adhere to the development path of independent innovation and are committed to providing first-class products and services to global customers. We will work hard to provide customers with high-quality products and services with a pragmatic and innovative spirit. We strengthen international exchanges and cooperation to demonstrate our responsible corporate image to the world.

Brief introduction of fly ash dryer

Fly ash dryer is also called rotary dryer, which is a continuously working equipment to process a large number of materials. The moisture content of fly ash after drying could reach 10% below (moisture content is adjustable by the control system). Due to the reliable performance, high operation flexibility, wide application, high handling capacity, fly ash dryer has a good drying effect for fly ash, raw coal, coal slime, lignite, coal cinder, anthracite, coal powder, etc. It is widely used in the building materials and chemical materials industry, etc. Materials that are dried by fly ash dryers are convenient to transport. Fly ash dryer is energy-saving and environment-protecting equipment that not only improves the utilization of materials but also creates a good economic benefit and social benefit.

Fly ash dryer has been used widely both in China and other countries. For example, our client in Shandong uses fly ash as building materials, Australian client Coal Mining LLC and South Africa client use fly ash dryer to dry raw coal. Fly ash dryer produced by us has been sold to many countries, such as India, Malaysia, Philippines, Indonesia, Oman, Mexico, etc. Now our drying equipment is running normally, clients speak highly of fly ash dryer.

Fly ash dryer manufactured by Zhengke has passed the inspection of Henan Quality Supervision Bureau, ISO9001 international quality management system certification, Europe CE certificate standard, Russian GOST certificate, etc. Meanwhile, we had applied many patents of fly ash dryers to the State Patent Office and were well-known in the drying equipment industry.

Features of Zhengke fly ash dryer

1. High drying efficiency, good drying effect. Fly ash dryer is continuously working drying equipment, used “feeding at one end and discharging at the other” method for drying materials. Due to high moisture content, high stickiness, we make a special design of the inside structure, fly ash dryer has high drying efficiency. We could control and adjust the final moisture content to the client's request.

2. Energy-saving, environment-protecting, no pollution, no noise. Zhengke fly ash dryer could dry fly ash, raw coal, coal slime, lignite, then reuse them. This improves resource utilization and reduces dust pollution. Due to the special design of mechanical structure and electricity control, the fly ash dryer works at low power. Also, the fly ash dryer is equipped with multistage dust collecting equipment to meet the national standard of environment protection. Reduce the environmental pollution from equipment; it is a kind of good energy conservation and environmental protection equipment. Our fly ash dryer adopts an enclosed structure; no air pollution and noise pollution will happen during the drying process.

3. Wide application range, low request for the working environment. Zhengke fly ash dryer is applicable for every country in the world. We could make some adjustments according to the different situations in different countries, such as voltage, engineering design requirement, geographical conditions, etc. As to the working environment, Zhengke fly ash dryer could work normally in severe cold, high temperature, plateau, etc.

4. Simple installation. Fly ash dryer could work directly on a horizontal hardened site. In the running, no vibration happens. It is also convenient to transfer and transport the equipment.

5. Few workers, simple operation, easy maintenance. To client request, Zhengke could provide semi-automation and a total automation production line. Only regular maintenance to the instruction is needed. It is very convenient to maintain.

6. High safety. The transmission parts all adopt enclosed or semi-enclosed design to the equipment standard of security, such as transmission shaft, motor, belt pulley, etc. This ensures the safety of equipment and workers.

Technical parameter of fly ash dryer

Model	Gradient（％）	Diameter    （mm）	Length      （mm）	Speed（r/min）	Rotary Power（kw）	Capacity（t/h）	Weigh（t）
ZKRD-0606	3-5	600	6000	3-8	3	0.5-1.5	2.9
ZKRD-0608	3-5	600	8000	3-8	4	0.6-1.2	3.1
ZKRD-0808	3-5	800	8000	3-8	4	0.8-2.0	3.5
ZKRD-0810	3-5	1000	8000	3-8	4	0.8-2.5	5.6
ZKRD-1010	3-5	1000	10000	3-8	5.5	1.0-3.5	6.7
ZKRD-1012	3-5	1000	12000	3-8	5.5	1.5-3.5	7.2
ZKRD-1208	3-5	1200	8000	3-8	7.5	2-4	8.8
ZKRD-1210	3-5	1200	10000	3-8	7.5	1.8-5	9.8
ZKRD-1212	3-5	1200	12000	3-8	11	2-6	10.5
ZKRD1512	3-5	1500	12000	2-6	15	3.5-9	13.5
ZKRD-1514	3-5	1500	14000	2-6	15	4-11	15.4
ZKRD-1812	3-5	1800	12000	2-6	18.5	5-12	18.9
ZKRD-1814	3-5	1800	14000	2-6	18.5	5-15	23.2
ZKRD-1820	3-5	1800	20000	2-6	22	8-20	26.1
ZKRD-2018	3-5	2000	18000	2-6	30	8-23	36.5
ZKRD-2020	3-5	2000	20000	2-6	37	10-24	38.8
ZKRD-2218	3-5	2200	18000	1.5-6	37	10-25	42.3
ZKRD-2220	3-5	2200	20000	1.5-6	37	12-28	45.2
ZKRD-2420	3-5	2400	20000	1.5-5	45	18-30	50.7
ZKRD-2820	3-5	2800	20000	1.5-5	55	20-35	60.4
ZKRD-2824	3-5	2800	24000	1.5-5	75	25-35	70.4
ZKRD-3020	3-5	3000	20000	1.5-5	75	25-40	78.2
ZKRD-3025	3-5	3000	25000	1.5-5	75	30-45	104.9

Note：The above technical parameters are for reference, can be separately designed according to the customer’s actual situation.

Working principle of fly ash dryer

Fly ash dryer is placed at an inclination of 3-5°. Fly ash is sent to the inlet by feeding device, then spiral feeders push materials into the drum from feeding end to discharge end. Hot air will be drawn into the drum by the draft fan and exchange heat with materials constantly. As the drum rotates, materials are lifted and scattered by lifting boards repeatedly under gravity and move toward the lower end. As fly ash moves forward, it gets heat directly and indirectly from the heating medium. Thus, fly ash gets dried and discharged at the outlet. On the inner of the cylinder, lifting boards are equipped to lift materials and scatter them. This would spread the contact surface to improve the drying rate and promote materials to move forward. On the feeding end, a movable grate could break big lumps to increase the heating area, shorten drying time, and improve drying efficiency. On the inner wall of the drum, a movable steel chain would beat the drum repeatedly to prevent sticky material stick on the wall. The heating medium could be hot air, flue gas, etc. Usually, a cyclone collector would collect the dust that the heating medium entrains. If you want to reduce dust content further, a baghouse or wet scrubber may be needed.

1、Furnace；1-1、Gas Stove；2、Materials；3、Feeding Conveyor；4、Inlet；5、Feeding Cover；6、Roller Ring；7、Carrier Roller；8、Drum；9、Transmission；10、Gear Ring；11、Roller Ring；12、Carrier Roller；13、Discharge Cover；14、Dust Collector；15、Chimney；16、Induced Draft Fan；17、Motor；18、Outlet；19、Discharging Conveyor

Kehua Industrial is one of the leading manufacturers and suppliers of high-quality and high-safety fly ash rotary dryers in China. Our fly ash rotary dryer products are sold at a cheap price, and our factory has many products in stock. Welcome to buy energy-saving, eco-friendly, and discount equipment with us and check the quotation with us.

Our company is developing towards the direction of 'unity, harmony, atmosphere and openness', and is committed to providing Cement/Sand Industry Three-Cylinder Rotary Dryer with quality assurance for the groups in need. Our vision is to become a leading brand in the field and an enterprise that employees can be proud of, trusted by the public and respected by the society. Our company has always insisted on creating a brand with perfect quality and effective management, and achieved leapfrog development through technological innovation, market development, and technical services.

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