英语翻译SPRAY DRYINGSPRAY drying consists primarily in the fine atomization of a liquid or slurry containing solids,in either solution or suspension,in the presence of a desiccating medium so as to evaporate the liquid phase and leave the solid p

英语翻译SPRAY DRYINGSPRAY drying consists primarily in the fine atomization of a liquid or slurry containing solids,in either solution or suspension,in the presence of a desiccating medium so as to evaporate the liquid phase and leave the solid p
英语翻译
SPRAY DRYING
SPRAY drying consists primarily in the fine atomization of a liquid or slurry containing solids,in either solution or suspension,in the presence of a desiccating medium so as to evaporate the liquid phase and leave the solid phase in free suspension in the gaseous phase consisting of the desiccating medium and the evaporated liquid phase Secondarily it consists of removal of the solid phase in powdered form from the gaseous and vapor phase.The process consists of producing the desiccating medium,atomizing the liquid containing solids,bringing the two into contact in such a manner as to remove the moisture while all individual particles are in free suspension,and removing the dry solids from the system.
Heating the Desiccating Medium
The necessary air heating device may be direct-fired or heated indirectly by steam coils.In England and on the Continent hot oil has been substituted for steam in the coils,and there are also several heat transfer fluids that can be employed.At present the best procedure appears to be the use of a specially designed “Carbofrax”-lined oil furnace which turns all the products of combustion into the main incoming air stream.By this means and suitable dampers it is possible to control the condition of the desiccating medium with great accuracy and a steadiness of temperature that is very satisfactory.Furthermore,such a device is flexible in control and will produce an airflue-gas mixture that is quite clean.By careful design of the furnace it is possible to obtain a high heat liberation (30,000B.t.u.per cubic foot per hour) and at the same time,by means of high turbulence and restricted refractory passages,all free carbon is consumed.
Atomization
In the atomization of such fluids as oil and milk,the utilization of high-pressure atomizers having small orifices is permissible.The use of these devices with materials such as blood,clay slips,cooked potato,or peas (including the skins),etc.,led to obvious difficulties-and resulted in the develop-ment of centrifugal atomization in its many forms.

英语翻译SPRAY DRYINGSPRAY drying consists primarily in the fine atomization of a liquid or slurry containing solids,in either solution or suspension,in the presence of a desiccating medium so as to evaporate the liquid phase and leave the solid p
喷雾干燥
喷雾干燥组成,主要是在良好的雾化液体或泥浆含有固体,在任何解决方案或暂时停工,在存在一个干燥介质,使蒸发液相和离开固相在自由悬浮在气相构成该干燥介质和蒸发液相其次,它的脱除固相粉末状的形式由气态和气相.过程中构成的生产干燥介质,雾化的液体含有固体,使两个接触到以这种方式,以消除水分,而所有的个别粒子在自由悬浮,及消除干固体从系统.
加热干燥介质
必要的空气加热装置,可直燃或间接加热蒸汽线圈.在英格兰和对大陆热油已取代了蒸汽在线圈,也有几个传热流体可以employed.at目前最好的程序,似乎是使用一种特别设计的“ carbofrax ”内衬石油炉转的所有产品燃烧到主要的空气流.由这意味着和合适的阻尼器是有可能的控制条件下的干燥介质与伟大的准确性和稳定性的温度,这是非常令人满意的.此外,这种装置是灵活的控制将产生airflue -气体混合物这是很干净.通过仔细的设计炉是有可能获得高耐热解放（ 30000b.叶锡恩每立方米英尺每小时） ,并在同一时间内,手段高的动荡,以及限制难治通道,所有游离碳消耗.
雾化
在雾化液,例如石油和牛奶,利用高压力雾化后,小口是permissible.the使用这些设备与物料,如血液,纸粘土,煮熟的土豆,或豌豆（包括外观）等,导致明显的困难和,导致在发展- ment离心雾化在其许多形式