Heat Pump Technology In The Application Of Baked Tobacco
Over 40% of the world for the production of flue-cured tobacco
, that is, we can buy the package of cigarettes in shops in China this ratio is 85%. Cigarette tobacco to cigarette from the basic to experience harvest - dry - fixed acquisition - redrying other sectors. To make a good smoke, cultivation, harvesting, curing all three are indispensable, which is a key step drying test.
The traditional way of flue-cured tobacco is heated by way of fire, flue-cured tobacco growers need to build housing, then or in the room and light a fire under the floor, for baking. Roast a room smoke, usually takes a week's time, that is, a week, can not put out the fire, workers can not rest, in order to add fuel at any time, switch or adjust the temperature, humidity and transom, labor intensity is considerable.
In addition, the baking process, the very strict temperature control requirements. Such as from yellow leaves of the yellow bars on the need to dry bulb temperature rose from 38 48 , but the wet-bulb temperature should be maintained at around 37 . Tendons in the late dry period, required about the temperature maintained at 68 , but can not exceed 70 , avoid tobacco red, aroma deterioration, and wear burnt smell. Baked using traditional methods, workers need frequent measurement of temperature, feeding less feed, control room temperature, while the manual operation, it is inevitable that omissions and errors, which to some extent, affected the quality of tobacco.
The closer look reveals that the process needs baking temperature below 70 range, precisely because of existing air source heat pump can provide the optimal temperature range. Temperature control, heat pump unit has already automated, running without staff intervention, completely accurate and reliable temperature control. Do not use traditional fuels, but also reduce environmental pollution, but also to some extent improved the quality of tobacco. But now, several companies have not set foot in this area, The reason, from technology to operations, there are many problems.
"First of all, this thing had a higher technical requirements." Energy-saving equipment, Dongguan Science and Technology Division General Manager Yang Wen said the country so all of the reporters. This year, the Division yang exported to Myanmar has 200 sets of air to heat the whole tobacco curing barn, just when I was in Dakota when the sun factory, there are two sets of equipment just finished packing, to be delivered to Yunnan for the management of local tobacco department to do testing. "Industrial production, industrial applications, has its own process, there are specific requirements for temperature. You fail, then what use do not." Wen general continued, "The unit we can do long hours under 80 reliable operation, so it can only be guaranteed barn equipment operation. "
Is well known, high-temperature heat pump running, if you do not adopt appropriate technology and improvements, then the result is to shorten the compressor life, the deteriorating state of plant operation, high exhaust pressure may damage the pipe or fittings. Benefit from the special agent in the suppression of cold, scientific yang heat pump condensing temperature at 80 , the discharge pressure to 20 atmospheres. This would effectively ensure that the unit in a long time high temperature reliability.
"Now we bake a room smoke, reduce the time from one week to 5 days, 13 ambient temperature around the average power consumption about 280 degrees. The labor intensity and significantly reduce the cost of baking." Wen said total light In Yunnan province, there are 300,000 old-fashioned barn needs reform, its overall size. "So from next year, we will put the focus of business the production of heat curing barn."
Looking at the air to water heater industry, there are several other companies producing air-source heat pump barn, such as Jorge Watts, Division of Creator and so on, but on the whole, only small-scale attempts, no real shape. Looking to this untapped market, a bright future. As the text always said, "earned a saliva (water heaters) than to let off steam" heat pump water out of the small group, perhaps you will find a wider world.
by: gaga
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