預熱加工 的英文怎麼說
中文拼音 [yùrèjiāgōng]
預熱加工
英文
preheat treatment machining-
We specialize in manufacturing & developing the high efficiency self recuperative gas burners, which are widely used in direct heating and the radiant tube in various industrial heat treatment furnaces
本公司專業生產和開發高效率空氣自身預熱式燒嘴,廣泛應用於各種工業熱處理爐的明火或輻射管加熱Coating machine ( whether two - sided gyro wheel scribble, is it scribble two, flatten to blow the form and two, two hot to dissolve and react the trough the polishing form ) surface processing and manufacturing is antibiotic, defends, waterproof, ventilative to used in not weaving cotton cloth, pack and prevent germs to infect and isolate and use the cloth in food, medical treatment
塗布機(雙面滾輪塗、單面刮塗二次、壓平及拋光單面二次、兩座熱溶反應槽)用於不織布表面加工製造抗菌、防? 、防水、透氣,食品、醫療包裝和預防病菌傳染隔離用布。In this paper, three unique models were designed to research atom diffusion at interface, contacting line and joining point under bpec heating and compare with it under radiation heating in order to find out if bpec speed atom diffusion. the first model was aimed to research atom diffusion at interface under bpec heating. experiment condition of bpec diffusion welding sheet cu and ni : direct diffusion welding, at a pressure of l0mpa, welded at 750 ~ 900, with heat rate of 200 ~ 400 / min for 10mm, on / off of 6 / l ~ 48 / 8, with die or not, vacuum of 6pa
本文設計出三種樣品預構件,研究脈沖大電流加熱條件下片狀材料、線狀材料和球形顆粒之間的原子擴散過程,弄清脈沖大電流加熱條件下原子擴散與一般燒結和焊接過程中原子擴散的區別,以證實特殊的電場和磁場是否對原子的擴散有推動作用,揭示脈沖大電流加熱條件下原子的擴散過程,探索脈沖大電流熱加工技術快速高效的原因。Reasons and improving measures for processing difficult after preparatory heat treatment of 20crmnti carburizing steel
滲碳鋼預備熱處理后加工困難的原因及改進措施The nature conservancy of cement tile blank. after the surface coating production line in preheated purge bottom spray drying intermediate layer spray drying launched drying table a total of three cooling heating and drying surface, the second spraying process, weatherability cement tiles surface coating to achieve the best performance
自然養護后的水泥瓦坯,在塗裝生產線上經過表面吹掃預熱乾燥底層噴塗中間乾燥面層噴塗面塗乾燥表面冷卻共三次加熱乾燥二次噴塗的工藝過程,使水泥彩瓦表面耐候性塗層達到最佳性能。Steel for the prestressing of concrete - part 5 : hot - rolled steel bars with or without subsequent processing
混凝土預應力鋼筋.第5部分:有或無后續加工的熱軋鋼筋The process parameters of electric upsetting include : velocities of upsetting cylinder and anvil cylinder, heating current, preheating length and time, etc. because different materials have different mechanical, electric and thermal characteristics, and there are effects between different parameters, the determination of those parameters becomes a complex problem
電熱鐓粗成形過程的工藝參數主要包括鐓粗缸活塞運動速度、砧子缸活塞運動速度、鐓粗壓力、加熱電流和預熱長度等。這些參數的選擇是一個復雜的問題,其復雜性不僅在於不同的材料具有不同的力學、電和熱傳導特性,而且各參數相互影響、相互制約。Frame for pre - heater at kiln inlet will adopt steel structure to save investment, accelerate erection speed and beautify building
改進窯尾工藝布置,窯尾預熱器塔架設計為鋼結構,既可加快施工安裝進度,節省投資,又可美化建築。Appliances for the instantaneous production of hot water for domestic use operating on propane - air and on butane - air of 25 mj m3 and 24, 3 mj m3 net calorific value respectively and intended for connection to a vmc system mechanical extraction of combustion products
用25mj m3丙烷氣體和24 . 3mj m3丁烷氣體凈熱值工作的,並預定與燃燒物的vmc系統機械抽排裝置連接的家用快速加熱供水設備The measurement of stress can provide basis for material ' s evaluation, predict the fatigue life of the workpiece, inspect the technical effect of heat treatment and strength disposal on the surface, control cutting technics and determine the effect of stress elimination
測量材料或構件的應力分佈不僅為材料的評價提供依據,而且還可預報構件的疲勞情況,檢查熱處理及表面強度處理工藝效果,控制構件切削加工工藝,檢查消除應力的工藝效果。This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory
本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題,主要研究內容有: ( 1 )實驗、測定了20種常見生物質的能量(發熱量)和c 、 h 、 n元素含量,根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式,並通過r _ ( 0 . 05 )檢驗;為閃速熱解液化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便; ( 2 )選擇了8種生物質試樣作了等加熱速率( 10 min 、 20 min 、 40 min 、 60 min )和恆溫加熱的tg和dtg實驗,根據實驗數據和阿倫尼烏斯公式建立了生物質熱解反應動力學微分方程,並採用goast - redfem積分法和p函數對其動力學參數進行了求解,解析出各種生物質的頻率因子和活化能參數,進而建立了各種生物質的熱解動力學模型,為科學確定反應器的閃速熱解工作溫度范圍及熱解反應動力學描述,提供了理論和依據; ( 3 )為研究和確定不同尺度的生物質顆粒中心達到全熱解的時間,在體視顯微鏡下對不同粒度的生物質顆粒的長徑比進行了實驗觀察和測定,得出生物質的長徑比( l d )一般在5 . 0 6 . 0之間,平均為5 . 3的結果; ( 4 )採用復雜溫度場傳熱學理論對生物質傳熱過程及充分熱解時間理論進行了研究,解析推導出了不同尺寸生物質顆粒中心溫度達到充分熱解溫度的時間( t ) ,得出了理論推導的充分熱解時間與最大產油率的熱解時間相一致的結果,為閃速熱解反應器固相滯留時間設計和預測提供了理論依據; ( 5 )根據上述實驗結果,綜合運用工程力學、工程材料、機械設計學原理,推導、建立了轉錐式閃速熱解反應器物料滯留時間( )與轉速(或頻率)合理匹配理論; ( 6 )提出了轉錐式閃速熱解反應器的最小錐角設計、錐壁強度設計、生產能力設計理論和功率計算方法及臨界轉速理論等。Abstract : approximate methods for calculating aerodynamic heating rates on space shuttles are discussed. various methods are given for predicting the heating rate at axisymmetric stagnation points, general three dimensional stagnationpoints and the leading edge stagnation point of wings. numerous laminar and turbulent heating techniques for flat plates and cones are analyzed and compared. a brief review of some methods is presented to predict heating rate for winward centerline and lateral direction off the symmetry plane. the results show that the methods are simpler and can guarantee enought precision for predicting aerodynamic heating environment of space shuttles
文摘:介紹了國內外預測航天飛機氣動加熱的工程計算方法.給出了軸對稱、非軸對稱和機翼前緣等各種外形駐點熱流密度的計算,分析和比較了平板、錐體的層流和湍流熱流密度計算的各種方法,概述了航天飛機迎風面中心線和離開中心線橫向熱流密度的計算.計算結果表明,本文方法用在航天飛機氣動熱環境初步設計中比較簡單並且有足夠精度Abstract : the in servie tubular heaters built early in refineries and chemical plans have low thermal load and low heat efficiency, therefore measures for technical reform are offered, including ( 1 ) enlarging the surface area of convection tubes to increase the thermal load of rhe convection section ; ( 2 ) increasign the heat interchanging area of radiant tubes ; ( 3 ) changing the height of the chimney ; ( 4 ) using new burner with forced air supply to increase calorific capacityu ; ( 5 ) adding air preheater between the convection section and chimney to enhence the temperature of the air entering the furnace ; ( 6 ) adopting high temperature radiant coating to improve the effect of radiant heat interchanging
文摘:針對早期建造的煉油廠和化工廠在役管式加熱爐熱負荷和熱效率低的狀況,提出了若干技術改造措施包括,增大對流管表面積以增大對流段的熱負荷;增加輻射管的換熱面積;修正煙囪高度;換用新型燃燒器,變自然通風為強制供風,以增大燃燒器的發熱量,減小過剩空氣系數,節省燃料2 % 3 % ;在對流段和煙囪之間增設空氣預熱器以提高空氣入爐溫度;採用高溫輻射塗料增強輻射換熱效果,從而增加熱源對爐壁的輻射傳熱量和爐管的傳熱量等。The in servie tubular heaters built early in refineries and chemical plans have low thermal load and low heat efficiency, therefore measures for technical reform are offered, including ( 1 ) enlarging the surface area of convection tubes to increase the thermal load of rhe convection section ; ( 2 ) increasign the heat interchanging area of radiant tubes ; ( 3 ) changing the height of the chimney ; ( 4 ) using new burner with forced air supply to increase calorific capacityu ; ( 5 ) adding air preheater between the convection section and chimney to enhence the temperature of the air entering the furnace ; ( 6 ) adopting high temperature radiant coating to improve the effect of radiant heat interchanging
針對早期建造的煉油廠和化工廠在役管式加熱爐熱負荷和熱效率低的狀況,提出了若干技術改造措施包括,增大對流管表面積以增大對流段的熱負荷;增加輻射管的換熱面積;修正煙囪高度;換用新型燃燒器,變自然通風為強制供風,以增大燃燒器的發熱量,減小過剩空氣系數,節省燃料2 % 3 % ;在對流段和煙囪之間增設空氣預熱器以提高空氣入爐溫度;採用高溫輻射塗料增強輻射換熱效果,從而增加熱源對爐壁的輻射傳熱量和爐管的傳熱量等。The company is a sino - foreign joint - venture enterprise, incorporating smelting, electroslog, refining, forging, steel rolling and tool manufacturing. it has production lines for high speed steel, mould steel, hss circular saw blades, face - sides cutters, mould, blocks, pre - hard fine plate, garden knives, alloy special cutters and planer knives, as well as six production lines for heat treating. the nano coating center is production base for tool & mould steel productions in domestic
公司是一家集冶煉、電渣重熔、鍛造、軋鋼、精整、工具製造於一體的中外合資企業,擁有高速鋼、冷、熱作模具鋼生產線,高速鋼圓鋸片、三面刃銑刀、模具預硬精板、木工刨刀生產線,高溫熱處理、表面鍍層研發加工中心,是國內最專業的工模具鋼製品化生產基地。Through appropriate sprayer ' s selection and preheating system ' s reformation, granular br dye has been processed from the original granulating installation
本文介紹在原有裝置上,選用合適的霧化器、預熱系統部分改造,而加工出粒狀br染料。In the compression moulding technology, preheat and prepressing procedures are added to improve the flowability of the bond and physical and mechanical properties of the product
在壓縮模塑工藝中,增加預熱、預壓工序,提高粘合劑的流動性和產品的物理機械性能。Many means such as reasonable selecting mould material, correct forging process, appropriate heat treatment, rough machining of type hole before quenching and so on are taken in production to prevent deformation and cracking of mould effectively
在生產實踐中,通過合理選擇模具材料、正確的鍛造工藝、合適的熱處理工藝以及淬火前形孔預加工等措施,可有效防止模具的變形與開裂。The products are as follows, glass deeply processed apparatus, glass washing & drying machizne, glass roller machine, preheat & prepressure, glass roller machine bending furnace series
產品有:玻璃深加工設備、玻璃清洗機、玻璃平壓機、真空預熱預壓機、合片機、中空壓機、熱彎爐系列。As an equipment for heating bus, truck and engneering vehicle chamber and preheating engine, oil heaters have been largely used all over the world
汽車空氣燃油加熱器作為客車車室、貨車駕駛室和工程車輛的取暖裝置以及預熱發動機的主要設備,已被國內外廣泛採用。分享友人