Europe style for Corn Silage Cutter - EFB single pass dryer – OPPS
Europe style for Corn Silage Cutter - EFB single pass dryer – OPPS Detail:
SINGLE PASS DRYER SYSTEM
• In single pass dryer, wet furnish is mixed directly with hot gas inside the rotating insulated drum. The wet materials and hot gas normally flow concurrently through the dryer so the hottest gases come in contact with the wettest material.
• The product is dried with hot gas at 350 ºC approx. in the rotary drum. The rotary drum is divided into different sections for a higher efficiency in the execution of the dehydration. In the first contact between the vapor and the product, a spontaneous evaporation is produced resulting in a temperature drop to 150-180 ºC. Immediately after, a slow and progressive drying takes place until reaching a temperature of 95-110 ºC at the outlet of rotary drum.
• The rotation of the drum, with the aid of flights, lifts solids in the dryer so they tumble through the hot gas, promoting better heat and mass transfer. Hot flue gas can be fed directly into the dryer. Other options include using a burner or a steam heater to raise the temperature of incoming air.
• The exhaust gases leaving the dryer may pass through a cyclone, multi-cyclone, baghouse filter, scrubber, ESP or WESP to remove any fine material entrained in the gas. An ID fan is usually placed after the emissions control equipment to reduce erosion of the fan, but may also be placed before the first cyclone to provide the pressure drop through downstream equipment.
1.DRYER DESCRIPTION
Single pass dryer can accept a fairly wide range of particles sizes, moisture content or throughput and still achieve high drying rates. The design permits the use of the highest possible drying temperatures.
The drum rotates by means of two large tracks that lie on four machined rollers, two on each side of the drum. The wheels are mounted on a support block and rotate by means of two bearing supports each one mounted at the end of the wheel shaft. The support block at the rotary drum outlet, has two gear motors which operate the two wheels of that drum block, and thus make the rotary drum rotate on its horizontal ax. Rotation speed of the drum would be adjustable by frequency converter 3-6 rpm. On the drum drive block two position rollers are placed to avoid the longitudinal displacements of the rotary drum, mainly due to expansion. These rollers manage to touch the inside parts of the track, rotating on its shaft when this contact is produced. The rotary drum is thermal isolated by fiber wool and exterior sheeting, thus achieving low radiation heat losses.
The process principle for single pass dryer.
•The technology of our single pass dryer is using Vandenbroek VDB rotary drum dryer. The VDB MPS (Multi-pass-system) is the invention from Vandenbroek, which is used widely in the field of made pallet, biomass, sludge, coal, msw, etc since 1948, and the market share of dryer is around 30% in the world and become one of the most renowned three producers in the market, the other two brands is Nyrup in denmark and Sulzer in Switzerland.
•VDB MPS rotary drum dryer is composite of drum and rotary pass. Every pass has special size of induction plate, and the induction plate is located together with overflow weir plate in the line of shaft as pass. All the induction is combined as block type.
the material is moved in rotary guiding pass by rotary force generated from drum and attractive force from hot air, so that the material can be completely heat exchanged inside the drum, and make sure the final moisture is 2%-3%.
The inner constructure is as follows
Inlet hot air contact with material of high moisture. Heat from high temperature hot air is absorbed by water inside the material and Evaporated. The temperature of material maintenace the same level, the content of water is lowered down by lowering down the temperature of hot air. Later on, the hot air with lower temperature and dried material are going through every pass together, during this process, the remain water inside material is Evaporated in the low temperature.
Product detail pictures:
Related Product Guide:
Our concentrate on is always to consolidate and enhance the excellent and service of present solutions, in the meantime regularly develop new products to meet distinctive customers' demands for Europe style for Corn Silage Cutter - EFB single pass dryer – OPPS, The product will supply to all over the world, such as: Jakarta , Dubai , Puerto Rico , Our professional engineering group will always be ready to serve you for consultation and feedback. We are able to also offer you with absolutely free samples to meet your requirements. Finest efforts will likely be produced to give you the ideal service and goods. For anyone who is thinking about our company and merchandise, please contact us by sending us emails or contact us quickly. As a way to know our merchandise and firm. lot more, you can come to our factory to find out it. We'll always welcome guests from all over the world to our business to build company relations with us. Please feel free to get in touch with us for business and we believe we are going to share the top trading practical experience with all our merchants.
By Nick from Croatia - 2017.06.19 13:51
Company director has very rich management experience and strict attitude, sales staff are warm and cheerful, technical staff are professional and responsible,so we have no worry about product,a nice manufacturer.
By Hazel from Holland - 2018.06.05 13:10