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Vertical Drier Working Principle
- Sep 04, 2017 -

Vertical dryer is the face of today's briquette drying furnace prevalence of large investment, large area of the case of high failure rate for industrial briquette drying characteristics.

Vertical drying machine for the cylinder is standing up and named, vertical drying furnace, also known as vertical dryer, is for briquette and pellet ball ball pellet design and design, reasonable design, heat High utilization rate, good drying effect, adjustable air volume. As the vertical dryer stand up, and the dryer is flat, because the vertical dryer and dryer compared to more space-saving, of course, dryer and drum dryer is not the same, for the ability to With the dryer can also use the dryer in terms of the production line, with a vertical dryer is a significant savings in the venue.

Vertical dryer works: After forming the "water polo" by the belt conveyor to the top of the furnace, the fabric device evenly distributed to the roof of the full section. The briquette is heat exchanged with strong winds while moving slowly on the track. The moisture from the briquette is taken away from the strong wind. The briquette is fully dried by about two hours of evaporation. Economic characteristics: Compared with today's common back-type drying furnace, the investment reduced by 1/2; covers an area of its 1 / 5-1 / 3; energy consumption and operating costs significantly reduced. Features: This product is a good match, easy to connect with other devices in the production line and to achieve automation. The equipment is easy to operate and easy to maintain. Drying furnace body without mechanical moving parts, daily without maintenance. Continuous operation, high efficiency, large output. To a large-scale fertilizer plant to use, dry coal rods, and achieved good results, into the gas furnace coal rods, water down to about 3%, significantly increased gas production; substantial savings in manpower, reduce labor intensity, saving the site, The output.

Such as wood in the production of wood mold, wood before the drying can prevent the deformation of the product, ceramic billet in the calcination before drying can prevent the finished product cracking. In addition, the dry material is also easy to transport and storage, such as the harvest of food to a certain moisture content below, to prevent mildew. As the natural drying can not meet the needs of the development of production, a variety of mechanized dryer more and more widely applied.

The amount of water vapor in the compressed air is determined by the temperature of the compressed air: reducing the temperature of the compressed air to reduce the water vapor content in the compressed air while maintaining the compressed air pressure substantially constant, and the excess water vapor will condense Into a liquid. Freeze dryer is the use of this principle using refrigeration technology to dry compressed air. So the cold and dry machine has a refrigeration system. Freeze dryer refrigeration system is compressed refrigeration, refrigeration compressors, condensers, evaporators, expansion valves and other four basic components. They are connected in turn by piping to form a closed system, the refrigerant in the system continue to flow, the state changes and the compressed air and cooling medium for heat exchange. The compressed air dryer also has an adsorption dryer and a dissolving dryer.

The refrigerant compressor sucks the low pressure (low temperature) refrigerant in the evaporator into the compressor cylinder, the refrigerant vapor is compressed, the pressure and the temperature rise simultaneously; the high pressure high temperature refrigerant vapor is pressed into the condenser, in the condenser, The higher the temperature of the refrigerant vapor and the temperature is relatively low cooling water or air for heat exchange, the refrigerant heat is taken away by water or air condensed down, the refrigerant vapor into a liquid. This part of the liquid is then transported to the expansion valve, through the expansion valve into a low temperature and low pressure liquid and into the evaporator; in the evaporator low temperature, low pressure refrigerant liquid to absorb the heat of compressed air and vaporization (commonly known as "evaporation") And the compressed air is cooled to condense a large amount of liquid water; the refrigerant vapor in the evaporator is sucked by the compressor so that the refrigerant is compressed, condensed, throttled and evaporated in the system so that the refrigerant Completed a loop.

In the refrigeration system of the freeze dryer, the evaporator is a device for conveying the cooling capacity in which the refrigerant absorbs the heat of the compressed air to achieve the purpose of dehydration and drying. The compressor is the heart, plays the role of inhalation, compression, and delivery of refrigerant vapor. The condenser is a device that discharges heat and transfers the heat absorbed in the evaporator together with the heat of the compressor input power to the cooling medium (such as water or air). The expansion valve / throttle valve acts as a throttle to the refrigerant, and controls and regulates the quantity of the refrigerant liquid flowing into the evaporator, and divides the system into two parts: the high pressure side and the low pressure side.