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Widely microwave used coal rotary dryer Widely microwave used coal rotary dryer Widely microwave used coal rotary dryer

Widely microwave used coal rotary dryer

Product Description Product description of coal rotary dryer Coal rotary dryer is used for drying sand, coal, sludge, coal slurry, brown coal, gypsum, mineral powder,...
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Product Description

Product Description

Product description of coal rotary dryer

Coal rotary dryer is used for drying sand, coal, sludge, coal slurry, brown coal, gypsum, mineral powder, iron powder, feed, chicken manure etc. It is widely used in building materials, metallurgy, cement and mining industry.

Coal rotary dryer consists of drum barrel, roll ring, wheel gear, lifting board, chain, reduction gears, and motors etc parts. It is matched with conveyor,dust remover and draught fan etc equipments.

Product Parameters
Model(mm) Gradient(°) Speed(r/min) Power(KW) Capacity(t/h) Weight(t)
ZKRDΦ600×6000 3-5 3-8 3 0.5-1.5 2.9
ZKRDΦ800×8000 3-5 3-8 4 0.8-2.0 3.5
ZKRDΦ800×10000 3-5 3-8 4 0.8-2.5 5.6
ZKRDΦ1000×10000 3-5 3-8 5.5 1.0-3.5 6.7
ZKRDΦ1700×10000 3-5 3-8 7.5 1.8-5 14.5
ZKRDΦ1200×12000 3-5 3-8 11 2-6 14.8
ZKRDΦ1500×12000 3-5 3-8 15 3.5-9 17.8
ZKRDΦ1800×12000 3-5 3-8 18.5 5-12 25
ZKRDΦ1800×14000 3-5 3-8 18.5 5-15 27
ZKRDΦ1800×20000 3-5 3-8 22 8-20 30
ZKRDΦ2000×18000 3-5 3-8 30 8-23 45
ZKRDΦ2200×18000 3-5 3-8 37 10-25 48
ZKRDΦ2200×20000 3-5 3-8 37 12-28 56
ZKRDΦ2400×20000 3-5 3-8 45 18-30 60
ZKRDΦ2800×20000 3-5 3-8 55 20-35 68
ZKRDΦ3000×20000 3-5 3-8 55 25-40 78
ZKRDΦ3000×25000 3-5 3-8 75 30-45 104.9
Detailed Images

Detailed images of coal rotary dryer:

Coal rotary dryer mainly consists of drum barrel, roll ring, wheel gear, lifting board, chain, reduction gears, and motors etc parts. It is matched with conveyor,dust remover and draught fan etc equipments.

Features of coal rotary dryer:

1) Reasonable strucyure, excellent fabrication;
2) High production, low consumption;
3) Economical & environmental etc.

Working Principle

Working principle of coal rotary dryer:

The heat source of dryer is from combustion devices. This dryer adopts direct flow heating method. So the material should be sent to the shell by the feed chamber and feed chute. After that the material will be pushed backward by the spiral shoveling plate. As the dryer is located with a tilt, the material flows to the end by the gravity and circumduction meanwhile it is shoveled repeatedly by the shoveling plate to the upper end then comes down constantly, forming an even curtain in the drum and exchanging heat fully with the hot current in the drum. With the material being raised and scattered again and again, the moisture is dried gradually. Finally it is dried totally.

Packing & Delivery

Packing and delivery of coal rotary dryer:

Packing Details : standard export packing
Delivery Details : Shipped in 30 days after payment

Our Company

Our company

Zhengzhou Kehua Industrial equipment Co.,Ltd is a trustworthy and specialist designer and manufacture of series rotary dryer equipment and briquetting machine.

Following the concept of "Service marketing", our company will advance as usual and fully utilize various advantages in resource, talent and R&D so as to offer quality service to customers with perfect products, quality.


Our company developes and strengthens through continuous reforms, and was awarded the title of "Excellent Management Standard Enterprise" by Ministry of Agricultural and took the Widely microwave used coal rotary dryer position to obtain ISO9001 interational quality system management certification in 2001.

Cooperative partners

We have more than 8 years export experience such as Malaysia, Thailand, Philippines, India, Northern Ireland of United Kingdom, United States, Australia, Indonesia, Israel, Egypt, Oman, Moldova, Kazakhstan, South Africa etc. Our products are popular in the field and are well accepted by new and existing customers.

Our Service

Pre-sale Service

1. We will help you to choose the right model based on your materials, or Specially designed for you;
2. Design the suitable produce offer the reasonable consultation, testing your material;

3. We will help to choose the most suitable machine for you.

On-Line Sale Service

1. Super & solid quality with whole line CE;
2. All order will be supplied within the stipulated period;
3. Standard export package or as your demand;
4.24 hours online service.

After-Sale Service

1. Repairing & maintenance if any problem occur in the warranty;
2. Installation & clerk training;
3. Provide wearing parts for whole years.


Q1. What is your terms of packing?

A: Generally, in nude,we can also according to customers' demands.

Q2. Are you trading company or manufacturer?
A: We are manufacturer.welcome to visit .(WhatsApp:0086-18838981175)

Q3: How long is your delivery time?
A: Generally it is Within 30 working days after received deposit delivery from factory.

Q4: How we set up cooperate relationship long-term?
A: We will respect every cooperate partner and regard them as our friends.We will provide our high quality and competitive price products for customers.

Jinan Joysun Machinery Co., Ltd., relying on strong technical support, advanced production equipment, excellent processing technology and scientific detection methods, we ensure product quality and delivery time, and provide a fully optimized technical solution according to your requirements. Jinan Joysun Machinery Co., Ltd. for thawing of meat products and seafood, the equipment has stable performance, reliable quality and short thawing time. It is an ideal defrosting equipment for high-tech meat products, made of stainless steel, conforming to food production standard. Welcome new and old customers to inquire. Our international business covers customers all over the world. We have competitive prices and are proud of our excellent after-sales service. The working attitude of the company and the continuous improvement of the innovation concept will lead Tuo Bo and you to step into the brilliant future hand in hand and create a better future.
Through continuous exploration and practice, the company has developed the advantages of low investment, high efficiency, low operation cost, high product quality and convenient control and operation. The microwave frequency thawing equipment with microwave frequency of 915MHz and output power of 20kw-200kw is above. For food processing enterprises such as chain fast food industry in China, food thawing is provided, and the improvement of food thawing technology in China is also renewed. The benefit is not only "farsightedness", but also at the foot of the eyes. According to experts, the traditional food thawing are based on heat conduction method, material surface temperature is higher than the internal temperature in the thawing process, inevitably there will be drop loss, which will increase the business loss. If merchants use microwave dryer, Widely microwave used coal rotary dryer power, material temperature and transmission speed can be used to achieve adjustable linkage, and the overall heating process control advantages can greatly reduce material consumption and improve food utilization. In addition, as the microwave thawing only needs electricity, no need to consume a lot of water, in the low carbon era, this is not lost a recommended fashion trend.

microwave dryer is a new type of environmental protection drying method. When dry, Widely microwave used coal rotary dryer directly to the medium molecules converted into heat, because the Widely microwave used coal rotary dryer penetrating performance of heating medium and at the same time, no need to heat conduction, so the heating speed is very fast, the water content below 30% of the food, the drying speed can be shortened hundreds of times.


microwave dryer advantages of equipment

1, microwave dryer, short, fast

Conventional thermal sterilization is used to transmit heat from the surface of the food to the interior through heat conduction, convection, or radiation. It often takes a long time to get the germicidal temperature. The Widely microwave used coal rotary dryer is the direct interaction between microwave energy and microorganisms such as food and bacteria. The interaction between heat effect and non thermal effect can achieve fast warming and bactericidal action, and the processing time is greatly reduced. The sterilization effect of various materials is usually 3-5 minutes.


2, Widely microwave used coal rotary dryer low temperature sterilization keep the nutrition and traditional flavor The Widely microwave used coal rotary dryer is through special heat and non thermal effect sterilization, compared with conventional thermal sterilization, it can get the desired disinfection effect at relatively low temperature and short time. Practice shows that the general sterilization temperature can reach the effect at 75-80 degrees centigrade. In addition, microwave dryer processed foods can retain more nutrients and color, aroma, taste, shape and other flavors, and have puffing effect. For example, the vitamin C retained in vegetables treated by conventional heat treatment is 46-50%, while that in microwave treatment is 60-90%, while that in conventional heating is 58%, while that in microwave heating is 84%.


3 microwave dryer and Widely microwave used coal rotary dryer save energy Conventional thermal sterilization often has heat loss in the environment and equipment, and microwave is directly treated to food, so there is no extra heat loss. In addition, the conversion efficiency of the electric energy to the microwave energy is in the 70-80%, and the power is generally reduced to 30-50%.



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