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影響沸騰干燥機干燥效果的四個因素及設(shè)備特點

來源:http://owlshollowfarm.com/   日期:2021-01-26   瀏覽量:0
TAG:山東制氮機,山東干燥機,山東螺桿鼓風機,山東空壓機,山東自動排水器

沸騰干燥機在密閉負壓操作,用PLC控制系統(tǒng)控制,溫度可自動調(diào)控,工作溫度始終保持在50~120℃之間。物料沸騰狀況好、吸收熱量均勻、烘干速度快、物料干燥質(zhì)量好等優(yōu)點,沸騰干燥機廣泛吸收、消化國外技術(shù),結(jié)合國情研發(fā)成功的新機型。結(jié)構(gòu)合理,性能穩(wěn)定,操作方便,整機無死角,無外露螺釘。

The boiling dryer is operated under closed negative pressure and controlled by PLC control system. The temperature can be adjusted automatically and the working temperature is always kept between 50 ℃ and 120 ℃. It has the advantages of good boiling condition, uniform absorption of heat, fast drying speed and good drying quality. It is a new type of fluidized bed dryer which has been successfully developed by absorbing and digesting foreign technology and combining with national conditions. Reasonable structure, stable performance, easy operation, no dead angle, no exposed screw.

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沸騰干燥機由主機、空氣處理系統(tǒng)、加熱系統(tǒng)、控制系統(tǒng)等組成。工作時,物料加入干燥機的料斗,按工藝要求設(shè)定程序和參數(shù),整機開始工作??諝饨?jīng)過空氣處理系統(tǒng)過濾、經(jīng)加熱系統(tǒng)加熱后進入主機,物料經(jīng)熱空氣流化,水份迅速蒸發(fā),物料被快速干燥。按設(shè)定的程序與參數(shù)完成操作后,將料倉推出與提升轉(zhuǎn)料機扣合提升出料,有效地控制粉塵與交叉污染。設(shè)備處于密閉負壓下工作,且整個設(shè)備內(nèi)表面光潔,無死角,易于清洗,符合“GMP”要求。

?? boiling dryer is composed of main machine, air handling system, heating system and control system. When working, the material is added into the hopper of the dryer, the program and parameters are set according to the process requirements, and the whole machine starts to work. The air is filtered by the air treatment system and heated by the heating system before entering the main engine. The material is fluidized by hot air, and the water evaporates rapidly, and the material is dried rapidly. After the operation is completed according to the set procedures and parameters, the silo is pushed out and connected with the lifting transfer machine to lift the discharge material, so as to effectively control the dust and cross pollution. The equipment works under closed negative pressure, and the inner surface of the whole equipment is smooth and clean without dead angle, which is easy to clean and meets the requirements of GMP.

沸騰干燥機能直接將液態(tài)物料干燥、具有快速干燥顆粒、粉狀物料等多種功能。裝物料的料斗是錐形,可增加物料的流速,便于流化,物料在料斗內(nèi)不易形成死角,物料吸受熱量均勻,烘干速度快。裝物料的料斗內(nèi)備有取樣裝置,可隨時取樣,以測試物料的干燥的干燥終點,保證產(chǎn)品質(zhì)量。

??? boiling dryer can directly dry liquid materials, and has many functions such as fast drying particles, powder materials and so on. The hopper for loading materials is conical, which can increase the flow rate of materials and facilitate fluidization. The materials are not easy to form a dead angle in the hopper. The materials absorb heat evenly and dry fast. A sampling device is equipped in the hopper for loading materials, which can sample at any time to test the drying end point of materials and ensure the quality of products.

沸騰干燥機有冷風后處理工藝,干燥后的物料可及時通冷風冷切??煞乐刮锪弦蛴酂徇^度而變質(zhì),確保了物料烘干質(zhì)量。采用特殊材料進行空氣熱過濾,以防散熱器的異物及空氣中的雜質(zhì)進入物料,確保物料的干凈純潔。沸騰干燥機設(shè)計了特殊的氣體分布板,使載熱氣流橫向呈螺旋狀進入,使沸騰起的物料流分接觸載熱氣流,吸受熱量均勻,物料干燥快。減少了蒸汽消耗,節(jié)約了能源。

?? boiling dryer has cold air post-treatment process, and the dried materials can be cut by cold air in time. It can prevent materials from deteriorating due to excessive waste heat and ensure the drying quality of materials. Special materials are used for air thermal filtration to prevent foreign matters in the radiator and impurities in the air from entering the materials and ensure the cleanliness of the materials. A special gas distribution plate is designed in the boiling dryer to make the heat carrying gas flow enter into the dryer in a transverse spiral shape, so that the boiling material flow contacts the heat carrying gas flow separately, and the heat absorption is uniform, and the material drying is fast. The steam consumption is reduced and the energy is saved.

一般來說,影響干燥效果的四個因素,即干燥溫度,露點,時間和氣流。

?? generally speaking, there are four factors affecting the drying effect, namely drying temperature, dew point, time and air flow.

所謂的露點是從沸騰的干燥器中除去濕空氣,使其含有低的殘留水分。然后,通過加熱空氣以減少其相對濕度。此時,干燥空氣壓力會降低。通過加熱,可以使內(nèi)部的水分離開與空氣擴散周圍的顆粒的結(jié)合力。露點讀數(shù)可以幫助用戶找到一些問題,所以要提高干燥空氣的露點,可以監(jiān)測露點的值。

?? the so-called dew point is to remove the wet air from the boiling dryer so that it contains low residual moisture. The air is then heated to reduce its relative humidity. At this point, the dry air pressure will decrease. By heating, the internal moisture can leave the binding force with the particles around the air diffusion. Dew point reading can help users find some problems, so to improve the dew point of dry air, you can monitor the dew point value.

沸騰干燥機的干燥溫度也是一個重要因素。熱量是打開聚合物之間的水分和水分的關(guān)鍵。當高于一定溫度時,水分子和聚合物鏈會大大降低重力,水蒸氣會被干燥的空氣吹走。因此,干燥溫度對終干燥效果的影響也有重要的影響。

The drying temperature of ? ? boiling dryer is also an important factor. Heat is the key to opening the water and moisture between polymers. Above a certain temperature, water molecules and polymer chains will greatly reduce the gravity, and water vapor will be blown away by dry air. Therefore, the drying temperature also has an important influence on the final drying effect.

干燥時間不能忽視。相關(guān)供應商應規(guī)定材料在適當?shù)臏囟群吐饵c下干燥所需的時間。由于吸收熱量和水分子擴散到顆粒表面,在顆粒周圍的空氣中需要一些時間,干燥時間會在一定程度上影響材料的影響。

?? drying time can not be ignored. The relevant supplier shall specify the time required for the material to dry at the appropriate temperature and dew point. Due to the absorption of heat and the diffusion of water molecules to the particle surface, it takes some time in the air around the particle, and the drying time will affect the material to a certain extent.

材料在干燥過程中,熱空氣將熱量傳遞到干燥倉中的顆粒,從顆粒表面除去水分,并將水分送回烘干機。這一次,必須有足夠的空氣將樹脂加熱到干燥溫度并保持一段時間的溫度。

?? during the drying process, the hot air transfers the heat to the particles in the drying bin, removes the moisture from the particle surface, and sends the moisture back to the dryer. This time, there must be enough air to heat the resin to the drying temperature and maintain the temperature for a period of time.


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