外文資料翻譯---冷庫節(jié)能與自動控制-全文預(yù)覽
【正文】 n the past basically , self problem, has no way to realize the energy conservation purpose since choosing the type , adjustment and product. Electron expansion valve appearing measures bining with selecting parametric Kuwen of temperature much , can realize energy conservation operation fairly good, sort but energy conservation 10%. But the thick gravy generation hydrocarbon refrigerating system heating power expansion valve product already be mensurate to maturity and still have the specialpurpose PLC Kuwen controller, for a variety of reasons, adopt extension , wait for to increase energy not yet monly in cold storage refrigerating system. Working hot shot degree of ammonia refrigerating system evaporation implement is not big , degree of difficulty is under the control of relatively bigger , there is no at present still mature ammonia using electron to expand ? ? valve product. The system 6 冷庫節(jié)能與自動控制 1 當前冷庫自控現(xiàn)狀 冷庫自控雖然得到了全面普及，然而大多數(shù)冷庫的側(cè)重面只是安全保護，或者還增加了溫庫撿測和控制，對于全系統(tǒng)的自動調(diào)節(jié)和冷庫的節(jié)能控制還很少涉及。 May adopt air defrosting K besides with defrosting water restoring to the storehouse. That this two measure is given by autocontrol being put into effect, is effective energy conservation method , the domestic trade headquarter has not been 20,000 tons of Long Kou City gas that the research institute designs obj1 exchange a warehouse being a very good example of one 17 }. Low relative humidities adjust the adjustment Low relative humidities adjust the adjustment demanding the cold room to low relative humidity , controlling also should be ready for two aspect mainly. One is on the basis selecting and using dehumidification method and dehumidification machine stopping bringing quantity of heat into cold room to the full, hot few cold p rooms load controlling good dehumidification while procedure, reaching the relative humidity request. It39。 Freon system evaporates the implement refrigerant rate of flow , great majority achieve simple proportion measures. The air cooler air mass flow great majority do not measure or speed and the electric fan platform number measure only when two. This two kinds parametric rate of flow adjustment all are cold the adjustment assigning the equipment refrigerating output and storehouse temperature direct relevance , one of the content being also that the cold storage energy conservation selfcontrol responds to in taking seriously with the storehouse. Fetch the warehouse taken height Sets up right under the control of accuracy and adds the storehouse temperature setting up the modity and different storage period controlling the different storehouse , different stock out of gauge having no equal to and their under the control of accuracy request. Set off from the energy conservation angle, the storehouse temperature ought to take height not choosing low , the mild highaccuracy controlling accuracy ought to fetch the warehouse taken height , insisted to run after face to face unnecessarily low low controls as long as not affecting the modity quality. To the cold room of many } storehouse temperature under the control of, except original storehouse temperature setting value, suitable add set up Kuwen transfinite controlling value. This pair of factors storehouse temperature adjusts deflect but premature bringing into service being able to achieve when refrigerating system needs bringing into service , incapable because of } pins up the storehouse temperature。s puts process into practice sometimes is that the purpose checking K amendment , reaching energy conservation until according with design demand by designing , assembling debugging , pilot run , effect is extremely. While the project requires that content is changed into a ratio to some extent, may revise K at any time satisfying a request. The cold storage energy conservation sometimes r
畢業(yè)設(shè)計相關(guān)推薦
鄂ICP備17016276號-1