flow-drying 中文意思是什麼
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The simulation and optimization design of gas flow drying of pseudo - boehmite
擬薄水鋁石氣流乾燥過程數值模擬 -
Study on process of rice concurrent - mixed flow drying
水稻順混流乾燥工藝的研究 -
There are rotation flow pieces and elutriation ring inside the drying charnber. it is used to control the moisture and granule of raw material to the needed level
乾燥室上部加裝陶析環及旋流片可以控制出口物料的粒度及濕度，以達到不同物料的終水份粒度的要求。 -
The flow diagram of a lpg bottle paint - drying heating system using heat carrier as heat - medium, which has similar properties as other heat - carrier heating systems, has been improved, which has good effect in avoiding oil - spraying, shortening dehydration time and power - fail protecting etc. after making a series of analysis, calculational methods of expansion tank dimension have been deduced, which takes the moisture boiling - off of heat carrier into account and accords with real conditions
對與其它熱載體加熱系統具有共性的鋼瓶熱載體加熱系統的流程圖進行了改進和完善，在防止噴油、縮短脫水時間和停電保護等方面取得了良好效果。通過分析，整理出了熱載體加熱系統膨脹器容積的計算方法，該方法考慮了熱載體所含水分汽化而帶來的影響，比原有的計算方法更加符合實際。 -
It is possible for small equipment to carry our large - scale production ; 5. there are rotational flow pieces inside the drying chamber. it is used to control the moisture and granule of raw material to the needed level
乾燥室上部加裝淘析環及旋流片可以控制出口物料的粒度及濕度，以達到不同物料的終水份粒度的要求。 -
In the bed there is stirrer. it avoid agglomeration of damp material and forming channel flow during drying
床內設置攪拌，避免了潮濕物料的團聚及乾燥過程中形成溝流。 -
The influence of pipeline flow resistance on net speed of vacuum pump is analyzed in long - distance pipeline vacuum drying, the calculation method of net speed of vacuum pump is given and checked up with site experiment
摘要分析了長輸管道真空乾燥中真空泵組的有效抽速受管道流阻的影響，給出了有效抽速的計算方法，並用現場實驗對其進行了驗證。 -
The dehydration time is square of the droplets diameter so the small diameters of the droplets can cut down the drying time then reduce the height of the drying chamber. to the combined spin - flow pressure spray drying, the diameters of droplets are small and the dehydration rate is higher so keeping the qualities of the dried products we can increase the speed of the inlet wind and reduce the temperature of the outlet wind thus can improve the evaporation intensity of the drying chamber and the average energy utilization of the drying equipment
因霧滴的脫水時間與其直徑的平方成正比，減小液滴直徑有利於縮短乾燥脫水時間，可有效降低乾燥塔的高度；由於旋流式組合壓力噴嘴霧化滴徑的減小，脫水速度明顯加快，在不影響乾燥物料性質的前提下，適當提高進風溫度，同時有效地降低排氣溫度，有利於提高幹燥塔的蒸發強度，也有利於提高幹燥設備的平均能源利用率。 -
This type of dryer was fitful for liquid drying in concurrent, counter - current or mixed air - flow. the dryer can produce powders, granules, hollow spherical particles and agglomerates products. the spraying capacity and particle size were changed by altering the parts assembled in the nozzle
壓力噴霧乾燥裝置其霧化器的結構適用易調，可通過改變噴嘴的內部結構得到所需要的噴液量和霧滴尺寸，目前該型式乾燥機已推廣應用於食品、化工、醫藥、建材、環保等行業。 -
Under the direction of such theories, the influence of the composition of the concrete to the workability, mechanical property and durability of hplc is analyzed systematically ; the key technology of the preparation of hplc was grasped. the theory of strength improvement of subsidiary bonder is detected, special additive - fdl for hplc is made, lc40 - lc60 hplc with the slump over 18cm, the slump flow over 50cm, segregation degree below 5 %, small drying shrinkage, high tension strength and long durability is prepared. the concept and experimental method of the segregation degree of the mixture is put out and the analytical system of high performance hplc is built
以設計理念和設計理論為指導，系統研究了輕集料、輔助膠凝材料等組分及其配比參數對輕集料混凝土工作性能、力學性能和耐久性能的影響規律，探明了輔助膠凝材料對于輕集料混凝土的增強機理，研製出能夠有效控制輕集料混凝土拌和物分層離析度和降低坍落度經時損失的專用外加劑fdl ，掌握了制備高性能輕集料混凝土的關鍵技術，制備出坍落度大於18cm 、擴展度大於50cm 、分層度小於5 、低干縮、高韌性、高耐久的lc40 lc60高性能輕集料混凝土。 -
( 3 ) comparison of the experimental data with the simulation results a pulse combustion spray drying system was constructed and the spray drying of nacl solution was carried out under a high oscillating flow field generated by the pulse combustor
（ 3 ）進行了脈動燃燒噴霧乾燥試驗和數學模型驗證建立了脈動燃燒噴霧乾燥試驗裝置，並利用質量分數10的nacl溶液進行脈動氣流直接霧化和乾燥的試驗。 -
( 1 ) the cfd model for the pulse combustion spray drying process. the computational fluid dynamics ( cfd ) based on the two - phase flow theory was employed in this paper, which used the standard k - e model and the particle trajectory model to simulate the gas - particle flow in the drying chamber. the momentum, heat and mass transfer regarding both gaseous and particulate phases during the spray drying inside the drying chamber was also revealed
為解決這一難題，本文利用氣體一顆粒兩相流理論和計算流體力學（ cfd ）技術，建立了更符合實際噴霧乾燥過程的數學模型即噴霧乾燥的cfd模型，並進行了脈動燃燒噴霧乾燥過程模擬，其主要內容如下： （ 1 ）建立了脈動燃燒噴霧乾燥的cfd模型該數學模型建立在氣體一顆粒兩相流基礎之上，用標準k -模型預測乾燥室內的氣體湍流運動過程，顆粒軌道模型追蹤乾燥室內顆粒群的運動軌跡，熱質傳遞模型描述空氣和液滴的熱質傳遞過程。 -
The unstable gas stream is characterized by oscillations with transient velocities of about + 100 m / s and frequencies from 50 - 200h /. the enhanced mixing and transport processes lead to a highly efficient moisture evaporation rate during pulsating spray drying. the computational fluid dynamics ( cfd ) method was used for the analysis and investigation of flow, temperature and humidity fields in a pulsating flow spray - drying chamber
長期以來，對噴霧乾燥過程進行了各種試驗和模擬研究，但這些研究並不能揭示噴霧乾燥室內氣體運動狀態，顆粒群的運動軌跡和各種熱力學參數分佈信息，常規的測試手段又很難測得，而這些參數分佈信息對乾燥器沒計和過程優化具有重要指導作用。 -
Clk - proliferation cyclone applicable to the collection of non - fiber drying of granular dust is the main characteristics of a conical dongshen, thus reducing the dust since the dongshen gas exports to the centre to short - circuit the possibility and install a conical reflector screen to prevent the two air separation will have to roll up the dust down, brought out by the increased flow, thereby enhancing the efficiency of dust
Clk擴散式旋風除塵器，適用於捕集乾燥的非纖維性的顆粒狀粉塵，主要特點是筒身呈圓錐形，因而減少了含塵氣體自筒身中心短路到出口去的可能性，並裝有圓錐形的反射屏，防止兩次氣流將已經分離下來的粉塵重新捲起，被上升氣流帶出，因而提高了除塵效率。 -
( 2 ) base on the analysis of the atomizing principles of spray nozzle, mathematical model of combined spin - flow pressure spray drying was set up and the essential parameters such as spraying pressure, liquid quantity, temperature, spraying angle, inject distance, particle diameter and distribution, hollow diameter for several materials in normal conditions by experiment and ldv
（ 2 ）對旋流式組合壓力噴嘴噴射霧化機理加以分析，建立了旋流式噴嘴霧化的數學模型，採用冷態試驗法並藉助激光霧滴測試等實驗裝置對噴嘴的霧化參數（如霧化壓力、噴液量、料液溫度、霧化角、霧距、霧滴直徑和分佈以及噴嘴的空芯半徑等）進行測量和計算。 -
We concluded that the application of our device have not only reduced operators work dramatically, but also shortened technological flow process and improved the precision of measurement and inspection due to the integration of sealed air measurement and inspection function and sealed cabin drying function. it also provided a user - friendly human machine interface because the adoption of mcgs
課題「密封艙性能自動檢測裝置」已經在工程中應用，由於集成了氣密性檢測功能和密封艙的乾燥功能，採用了自動檢測技術和在線存儲技術，不但大大縮短了工藝流程，提高了檢測精度，降低了工人的勞動強度，而且給用戶一個良好的界面。 -
( 4 ) the droplets diameter of the combined spin - flow pressure spray drying are between 30um and 150um and the ranges of the droplets are narrow. the average diameter of the droplets is between 50 um and 100 um and the spraying angle can be adjusted from 30 to 180
（ 4 ）採用旋流式組合壓力噴嘴霧化后的液滴直徑大都分佈在30 150um之間，霧滴分佈范圍較窄，其霧化的平均液滴直徑在50 100um左右，壓力噴嘴的霧化角度可在150 180范圍內。 -
In this dissertation, the author summed up the muti - technique in fluid dynamics, heat and mass transferring, mechanical designing and computational technique and studied the conventional pressure spray dryers with different air disperse structure and outlet equipment, at last put forward the theme i. e. the study on combined spin - flow pressure spray drying technology, the main contents were as follows : ( 1 ) the combined spin - flow pressure nozzle was designed whose novel structure has no report at present, and the structural designing parameters were obtained through analyzing the physical characteristic of materials and distribution of particles
本文總結了國內外在壓力噴霧乾燥裝置的研究應用狀況，並分析了現有噴霧乾燥裝置設計方面的優缺點，運用流體力學、空氣動力學、傳熱傳質學、機械設計和計算機技術等多學科知識，綜合研究了傳統壓力噴霧乾燥系統的單噴嘴霧化裝置在併流、逆流以及混流乾燥中的應用和噴霧乾燥塔的不同布風裝置以及出風裝置的設置情況等，提出了新型旋流式組合壓力噴霧乾燥技術並對此進行了研究，其主要內容包括： （ 1 ）本文創造性地設計出旋流式組合壓力噴嘴的基本結構，並通過對料液的物化特性研究分析以及顆粒度的分佈要求，給出了噴嘴的不同結構設計參數。 -
Sensors are used to detect the content of water and the temperature of grains, to measure the velocity of influx and to position the grains in the drying machines respectively. thermal sensors are thermocouples to monitor the temperature of heated air current and thermo resistances to measure the temperature of grains on different surfaces ; water sensors include neutron probes and condensates to measure the content of water of grains before and after drying respectively ; the velocity of flow of grains is measured by the indicators of flow
溫度傳感器主要採用熱電偶和熱電阻，分別探測熱風溫度和乾燥機各個層面上的糧食溫度；水分傳感器主要採用中子式在線水分測量儀和電容式在線水分測量儀，中子式在線水分測量儀由於不受穀物解凍的影響，用來測量烘前穀物的水分，電容式在線水分測量儀用來測定烘后的糧食水分；在線流量計採用沖板式流量計，用來記錄排糧流量，統計產量。 -
The simulated profiles of flow field, temperature and humidity of the air phase, as well as particulate phase, in the drying chamber were showed. the simulation also showed that a large - scale vortex was observed in upper part of the drying chamber because of the unstable process of flow field and particle trajectories
通過模型的求解，得到了乾燥室內氣體運動狀態，氣體溫度、濕度分佈，顆粒運動軌跡，顆粒沿運動軌跡質量變化，顆粒沿運動軌跡的溫度變化等各種動力學和熱力學參數分佈信息。
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