一、工作原理與適用范圍 Working principle and scope of application
熱泵干燥機是利用逆卡諾原理，吸收空氣的熱量并將其轉(zhuǎn)移到房內(nèi)，實現(xiàn)烘干房的溫度提高，配合相應(yīng)的設(shè)備實現(xiàn)物料的干燥。熱泵烘干機工作同時又在回收干燥室排出的濕熱空氣中所含的顯熱和潛熱，需要輸入的能量只有熱泵壓縮機的耗功，而壓縮機又有消耗少量功即可鋪集搬運大量熱量的優(yōu)勢，因此熱泵烘干機組加熱效率遠大于其他方式的烘干設(shè)備，可以實現(xiàn)節(jié)能減排的效果。
熱泵烘干機組主要適用于農(nóng)副產(chǎn)品脫水烘干，如銀耳、瓜子、花生、果蔬、肉制品、腸衣、煙葉、香菇、枸杞、糧食、腐竹、海產(chǎn)品、中藥材等?；し矫嬉灿写罅繎?yīng)用，如紙品、木材、污泥、石膏、粘土、煤泥等的烘干。在工業(yè)熱水方面，還可滿足電鍍廠電鍍液的恒溫、屠宰場高溫?zé)崴募訜岷捅?，星級酒店高溫?zé)崴墓?yīng)和工業(yè)企業(yè)高溫?zé)崴男枨笠约按采嫌闷返暮娓傻取?/span>
Heat pump drier utilizes the reverse Carnot's principle to absorb the heat of air and transfer it to the room to realize the temperature increase of the drying room and cooperate with corresponding equipment to realize drying of materials. The heat pump drier recycles the sensible heat and potential heat contained in the wet and hot air exhausted by the drying room while operating, the energy that shall be input is the power consumption of heat pump compressor only, and the compressor has the advantage that a lot of heat can be gathered and transferred by consuming a small amount of power, therefore, heating efficiency of heat pump drying unit is much larger than that of other drying equipment and it can realize the effects of energy conservation and emission reduction.
Heat pump drying unit is mainly suitable for dehydration and drying of agricultural and sideline products, such as tremella, melon seeds, peanuts, fruits and vegetables, meat products, casing, tobacco, mushrooms, medlar, grain, dried bean milk cream in tight rolls, marine products, traditional Chinese medicinal materials. It is also widely used in chemical aspect, for example, drying of paper products, wood, sludge, gypsum, clay, coal slime, etc. In the industrial hot water aspect, it can also meet meet the requirements of constant temperature of electroplate liquid of electroplate factory, heating and heat preservation of high-temperaturehot-water of slaughter house, supply of star ho high temperature hot water and high-temperature hot water of industrial enterprises, and drying of bedding article.
二、特點Characteristics
1. 高效節(jié)能。熱泵干燥裝置SMER（消耗單位能量所除去濕物料中的水分量）通常為1.0～4.0kg/kWh，而傳統(tǒng)對流干燥器的SMER值約為0.2～0.6kg/Kwh。
2. 可實現(xiàn)低溫空氣封閉循環(huán)干燥，物料干燥質(zhì)量好。通過控制裝置的工況，使干燥室的熱干空氣的溫度在20～80℃之間，可滿足大多數(shù)熱敏物料的高質(zhì)量干燥要求；干燥介質(zhì)的封閉循環(huán)，可避免與外界氣體交換所可能對物料帶來的雜質(zhì)污染，這對食品、藥品或生物制品尤其重要。此外，當(dāng)物料對空氣中的氧氣敏感（易氧化或燃燒爆炸）時，還可采用惰性介質(zhì)代替空氣作為干燥介質(zhì)，實現(xiàn)無氧干燥。
3. 環(huán)境友好。熱泵干燥裝置中干燥介質(zhì)在其中封閉循環(huán)，沒有物料粉塵、揮發(fā)性物質(zhì)及異味隨干燥廢氣向環(huán)境排放而帶來的污染；干燥室排氣中的余熱直接被熱泵回收來加熱冷干空氣，沒有機組對環(huán)境的熱污染。
4. 與其它低溫（進干燥室空氣溫度<>
Efficient and energy-saving. Heat pump drying unit’s SMER (Specific Moisture Extraction Rate ) is generally 1.0～4.0kg/kWh and SMER value of traditional convection drier is about 0.2～0.6kg/Kwh.
It can realize low-temperature air closed cycle drying and has good material drying quality. Through controlling the working condition of unit, the temperature of hot and dry air in the drying room is at 20～80℃. It can meet the high quality drying requirements of most of the heat sensitive materials; closed cycle of drying medium can prevent the impurity contamination possibly brought by exchange with external gas to the materials, which is very important for food, drugs or biological products. In addition, when the materials are sensitive to the oxygen in the air (easy for oxidation or burning e xplosion, the inert medium can be used as a drying medium instead of air to realize anaerobic drying.
It is environment-friendly. The drying medium conducts a closed cycle in the hot pump drying unit without contamination of material dust, volatile substance and peculiar smell brought by discharge of drying waste gas to the environment; the afterheat in the exhaust gas of drying room is directly recycled by heat pump to heat the cool and dry air without thermal pollution of unit to environment.
Compared with other low-temperature (inlet air temperature of drying room<40℃) drying="" units="" (such="" as="" microwave="" drying,="" vacuum="" drying="" and="" freeze="" drying),="" heat="" pump="" drying="" unit="" has="" obvious="" economical="" efficiency="" due="" to="" small="" initial="" investment="" of="" equipment="" and="" low="" operation="" cost.="" the="" heat="" pump="" drying="" unit="" is="" mainly="" composed="" of="" heat="" pump="" and="" drying="" room,="" of="" which="" the="" drying="" room="" has="" the="" same="" requirements="" with="" convection="" drying="" room,="" without="" special="" air="" tightness="" and="" pressure-bearing="">
三、技術(shù)參數(shù)（下表中數(shù)值僅供選型時參考）
Technical parameters (the values in the table below are for reference in type selection only)
四、工藝流程圖Process flow diagram
四川川大干燥科技工程有限責(zé)任公司（簡稱：川大干燥）是于2001年成立的一家集技術(shù)研發(fā)、技術(shù)轉(zhuǎn)讓、裝備制造加工的企業(yè)。川大干燥行政管理與設(shè)計研發(fā)部門設(shè)在四川大學(xué)科技創(chuàng)新中心大樓內(nèi)；生產(chǎn)和試驗科研基地位于成都羊安鎮(zhèn)工業(yè)園區(qū)內(nèi)，并獨自建設(shè)有加工制造中心與產(chǎn)品測試展演中心。公司從建立之初即著力科技研發(fā)，重心即著力醫(yī)藥、食品等方面的工藝技術(shù)研究與裝備的研制上。公司具有門類學(xué)科齊全的專業(yè)研發(fā)隊伍，所研發(fā)的產(chǎn)品品質(zhì)優(yōu)良、性能可靠、外形美觀；經(jīng)過近三十年的產(chǎn)業(yè)技術(shù)研究、產(chǎn)品技術(shù)研制、產(chǎn)出技術(shù)研驗，已具有獨立*自主知識產(chǎn)權(quán)的工藝及配方生產(chǎn)技術(shù)三項；固體制劑系列裝備已研制有十二類近兩百種不同規(guī)格。而今川大干燥嚴格按照新版GMP精心研制的制藥與食品裝備無論是在技術(shù)性能上，還是在性價比上都處于同行前列?，F(xiàn)“川大干燥”的產(chǎn)品與服務(wù)無論在中國還是在世界各國的制藥、食品、保健品、動物藥業(yè)等行業(yè)以及其它行業(yè)均享有盛譽，已經(jīng)形成*特色與影響力的品牌。川大干燥除了在制藥與食品等行業(yè)提供良好技術(shù)服務(wù)與優(yōu)良產(chǎn)品以外，川大干燥還擁有包括工業(yè)粉塵凈化回收技術(shù)與系統(tǒng)工程裝備研制技術(shù)、大氣凈化環(huán)保工程裝備與家用PM2.5凈化器等系列產(chǎn)品技術(shù)。川大干燥向提供的優(yōu)良裝備產(chǎn)品有：各種烘干設(shè)備、各種造粒設(shè)備、各種混料設(shè)備、各種粉碎設(shè)備、各種篩分設(shè)備、各種滅菌設(shè)備、各種濃縮提取設(shè)備、各種環(huán)保設(shè)備等等。川大干燥向提供的具有*自主知識產(chǎn)權(quán)的工藝及裝備總包的項目有：l 雞精調(diào)味料工藝技術(shù)、工藝配方生產(chǎn)技術(shù)，雞精調(diào)味料全套生產(chǎn)線。l 高品位高純度三偏磷酸鈉工藝生產(chǎn)技術(shù)以及生產(chǎn)線（川大干燥起草的三偏磷酸鈉國家標(biāo)準已于2015年3月正式公布實施）。l 鮮榨提取制取方便型老姜湯沖劑工藝技術(shù)以及全套生產(chǎn)線等等。
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