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Zhengzhou Jiutian is the most professional, most authoritative enterprise in China, which is engaged in coal drying equipment research and development, which is the only Chinese coal slime drying industry set design, production, sales in the integration of science and technology enterprises. After nearly 20 years of rapid development, Jiutian has gradually become the first brand of the Chinese drying equipment industry in China. Our company based on the lignite, washed coal such as high moisture content coal, with the carefully technical research and practice, developed the coal rotary drying drum system,After 20 years drying experience and constantly improvement in the equipment design, with its advanced technology, high efficiency, low energy consumption, stable operation, convenient operation and maintenance, security, environmental protection,the product are well received by users, more than 100 sets of coal drying equipment running in China and all over the world.
This type of equipment can be used for drying all kinds of coal, lignite, carbon coal, including anthracite, lean coal and poor lean coal, lean coal, coking coal, fat coal, air fertilizer coal, gas coal, coal and weakly caking coal, not sticky coal, long flame coal, lignite, coal washing, screening, raw coal, bituminous coal,the tail coal, midding coal, etc. Equipment can be made according to the customers' requirements.
Coal drum dryer is mainly composed of hot blast stove, belt feeding machine, drum dryer, belt discharging machine, induced draft fan, cyclone dust collector, bag filter (or wet dust collector) and operation control system.Equipment used downstream drying process, its working principle is as follows: wet material after entering drying drum divided into the following workaround: one is the feeding area, the coal into the area exchanged with high temperature and hot air quickly evaporate moisture, the material in large Angle of guide plate copy, to be imported under a workspace;2 The copy plate area, the coal in this area is copying by copy board forming curtain material, the material with good contact with hot air, the moisture in coal rapid evaporation become water vapor, water vapor was siphoned off by induced draft fan, so as to achieve the aim of coal drying;The moisture of coal in this area is less than 15% (or less) under state of loose, after heat exchange the materials achieves the required moisture state,and discharging out;Three is discharging area, do not set copy plate roller in the region, the material in this area scroll taxiing to the discharge port,then complete the whole drying process.
Lignite dryer is mainly composed of a hot blast stove, belt feeding machine, drum dryer, belt discharging machine, induced draft fan, cyclone dust collector, bag filter (or wet dust collector), and operation control system.
First, Solve coal feeding uniformity and roading inside the dryer, overcome the problem such as intermittent feeding, before plugging material, transient capacity big etc.Which is the premise to improve the evaporation intensity.
1, With unique design of the buffer bin and feeder mechanism, overcome uneven feeding of intermittent feeding problems;
2, Set up large dip Angle on the roller feeding end unpowered spiral propeller, not only evenly sent the wet slurry into drum drying section, but also make large pieces of wet coal cutting and scattered;
Second, Improve the internal structure design of the dryer, maximize the increasing the heating area between material and hot air, which is the basis of increase evaporation strength.
1, Constantly optimize roller structure layout and the feed plate design, final setting is now unique internal feed roller plate structure and different effect of mixing drum of whole section distribution.The dryer with all "material curtain"even no dead Angle, no gap, the maximum increase the heating area of the coal and hot air, and the heat exchange area, make the coal moisture to evaporate rapidly ,and was taken away by hot air.
2,With the original rotary drum dryer dry layer patent technology.According to the different particles material inside the drum's heating speed and speed different, set up more groups of layer drying device, dropping grate, control of small particle materials drying and pulverization, too large particle materials have different internal and external heat drying uneven phenomenon, ensure dry uniformity.
Third, reasonable selecting hot blast stove furnace, optimizing its internal structure design and laying quality, reduce the air leakage rate, reduce the oxygen content in the hot air less than 5%, 700-1200 ºC arbitrary random control process requirement of temperature points, provide the dryer with homogeneous stable heat source,which is the reliable safeguard of coal dryer running with high strength.
Fourth, measurement and control system adopts PLC frequency conversion control technology, temperature, pressure, oxygen concentration, speed equipment, process parameters on-line interlocking spreading, realize automatic detection and control of the whole system have centralized, on-site switching function, guarantee system to maximize capacity, optimal quality, the most energy saving mode, the safety explosion protection and stable operation.
Fifth, Optimizing the allocation of gravity settling +cyclone dust collector + wet cyclone/bag dust collector level 3 by dust bag filter dust removal equipment, dust concentration < 30 mg/Nm3, guarantee dust emission standard.
Sixth, The unique modular design, the manufacture, transportation, installation, assembling and commissioning platform, service concept in a more optimized design manufacturing, installation services return customers more convenient transportation, guarantee the customer's maximum benefit.
Seventh, Solve the traditional dryer downstream caused in the process of the direction of dehumidifying system temperature reduced water vapor return material, improve the efficiency of drying, achieve the goal of deep dehydration.
Eighth, the dryer using labyrinth and expandable graphite packing type double mechanical seal sealing mode, to ensure the safe operation of the dryer within tightly closed oxygen.
Nine. half carbon coke cooling machine used with raw coal dryer series, recycled half carbon carbocoal heat used for coal drying and dewatering, both to achieve LAN charcoal semi coke dry quenching cooling, and to get low moisture LAN charcoal carbon coal, and make full use of heat energy for the depth of the coal removal moisture, temperature preheating, reduce subsequent pressure of coal chemical industry equipment, comprehensive utilization of heat energy, energy conservation, environmental protection, the perfect process is more reasonable.
| Model | Capacity(T/D) | Initial moisture(%) | Final moisture(%) | Total Power(kw) | Covering area(m²) |
| JTMG1916 | 300 | 30-60 | 17±5 | 120 | 8*26 |
| JTMG2218 | 500 | 30-60 | 17±5 | 160 | 10*35 |
| JTMG2520 | 700 | 30-60 | 17±5 | 200 | 10*40 |
| JTMG2820 | 1000 | 30-60 | 17±5 | 290 | 12*40 |
| JTMG3430 | 1500 | 30-60 | 17±5 | 420 | 15*46 |
| JTMG4032 | 2000 | 30-60 | 17±5 | 500 | 15*50 |
| Note: the capacity of equipment is directly related to the reduction of water content of coal. The proportion of precipitation is large, and the production capacity of equipment decreases correspondingly. Specific consulting Jiutian company. | |||||
Q: What is your Business Model? Trading company or factory?
A: We are an 20 years factory, all our machinery is manufactured by ourselves, factory direct sales, product quality, and after-sales service can be guaranteed.
A: Yes. Many domestic and international customers visit our factory every year. Our company is located in Zhengzhou Henan province, China, you can come here by air or train.
The nearest airport is Zhengzhou Xinzheng International Airport, and the Airport Code is CGO.
We will pick you up at the airport. Welcome to visit our factory.
A: Zhengzhou Jiutian products come with the best quality, and our products passed CE certification, exported to lots of countries around the world, such as Australia, Malaysia, India, Italy, Indonesia, Vietnam, Philippines, Korea, Brazil, Argentina, Russia, South Africa, etc. You can rest assured of the quality.
A: Our warranty period is one year generally.
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