Sand Drying Production Line Price Chart
New Triple-pass Design I High Energy-efficiency I High Performance
Introduction to Rotary Sand Dryers
Rotary Sand Dryers are one of the typical applying area of rotary dryers due to its reliable performance, high efficiency and low manufacturing cost. Our factory has been making rotary dryers for drying sand since 1950s. Back then only single-pass rotary dryers were available for all drying processes. As entering 21st century, all industries facing more and more environmental challenges and higher demand for energy efficiency. Our factory started to R &D Triple-pass Rotary Sand Dryers in 2002, which now has basically replaced conventional single-pass rotary dryer in sand drying plants.
Various sand: eg. River sand, sea sand, mining sand, molding sand, etc.
Grain sizes: 0.075 to 10mm typically
» Output Capacity:
3 t/h to 110 t/h
Final moisture: ≤ 0.5%
» Motor Power:
4 Kw/h to 88 Kw/h
» Drying Temperature:
Max. 750 oC
Features of Triple-pass Rotary Sand Dryers
⇒ Thermal efficiency improved by 40%
⇒ Coal consumption (as fuel) is 30% of conventional dryers.
⇒ Outer shell temperature reduced to less than 60 oC; exhaust gas below 120 oC. filter bags can work twice 20t/h microwave Rotary Sand Dryer Price 5% off in Triple-pass Design and no need for cooling.
⇒ Floor area reduced by 40% to 60% by comparison
⇒ Lowered investment for the same capacity.
⇒ Improved sealing and improved reliability.
How Does It Work ?
|Triple Pass Rotary Dryer has 3 drying zones in the 3 cylinders (internal one, middle one and external one) which construct the rotating body. Heat processing of a product with high moisture content is done efficiently in those 3 drying zones. The product is put in from the inlet of the hopper, sent to the internal cylinder where heating of the product is made, then moves to the middle cylinder where evaporation of moisture is promoted further. The solid constituent of the product is gradually broken into pieces and discharged from the outlet via the third final drying zone. The hot air produced in the furnace is sent to the internal cylinder, passes through the middle and external cylinders. The hot air is then sent to the cyclone where dust is removed|
|Automatic Dry Mix Mortar/ Tile Adhesive Plant||Small Dry Mixed Mortar Production Line||
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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, 20t/h microwave Rotary Sand Dryer Price 5% off in Triple-pass Design 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, 20t/h microwave Rotary Sand Dryer Price 5% off in Triple-pass Design directly to the medium molecules converted into heat, because the 20t/h microwave Rotary Sand Dryer Price 5% off in Triple-pass Design 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 20t/h microwave Rotary Sand Dryer Price 5% off in Triple-pass Design 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, 20t/h microwave Rotary Sand Dryer Price 5% off in Triple-pass Design low temperature sterilization keep the nutrition and traditional flavor The 20t/h microwave Rotary Sand Dryer Price 5% off in Triple-pass Design 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 20t/h microwave Rotary Sand Dryer Price 5% off in Triple-pass Design 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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