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heating recovery
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  加热回收
     The column diameter and column height were increased,the high performance stuffing was used, the heating recovery condensed water in re-ebullator was increased,the back flow type at the top of the column was changed into the forced reflux,the column temperature,the re-ebullator flow and the back flow at the top of the column was concatenate controlled,the sensitive plate was reaccount.
     增加塔径、塔高,采用高效填料,增加再沸器加热回收冷凝水,将塔顶改为强制回流,塔温与再沸器流量和塔顶回流量串级控制,重新核算灵敏板等。
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  “heating recovery”译为未确定词的双语例句
     Development of Sealings for Petroleum Heating Recovery Sealer
     石油热采封隔器密封件的研制
短句来源
     PRODUCTION TEST PROPOSAL AND EFFECT ANALYSIS ON ROD PUMP ELECTRICAL HEATING RECOVERY
     有杆泵电加热深抽试采方案设计及效果分析
短句来源
     Research and Application of Explosive Deflagration Ash-cleaning Technology on Steam Injection Boiler for Heavy Oil Heating Recovery
     稠油热采注汽锅炉弱爆炸除灰技术应用研究
短句来源
     MECHANISM ANALYSIS AND TREATMENT MEASUREMENTS OF CASING DAMAGE OF HEATING RECOVERY OF LIAOHE OILFIELD
     辽河油田热采井套损机理分析与治理措施
短句来源
     In order to enhance the heavy oil heating recovery by steam injection with horizontal well, a hemi-analytic numerical model was established using a FORTRAN Ⅳ programme.
     为改善水平井沿井管射孔的两相蒸汽出流的均匀性,提高用水平井注蒸汽稠油热采的采收率,建立了半解析计算模型,编制了计算程序。
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  相似匹配句对
     DEVELOPMENT OF RECOVERY HEATING FURNACE
     蓄热式加热炉的发展
短句来源
     Application of recovery burning technology in heating furnace
     蓄热式燃烧技术在加热炉上的应用
短句来源
     Road Heating
     道路供热
短句来源
     Induction heating
     感应加热的工艺探讨
短句来源
     Backup and Recovery
     备份和恢复软件
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On the basis of the analysis of the previous paper, the present work poses a series of problems in dilute-phase heat transfer technique as applied to chemical metallurgy, and illustrates its practical aspects through pilot-scale measurements and experiments in the development of new metallurgical processes.In actual practice, particles are more often than not in accelerative motion while heat is being transported between them and the surrounding fluid medium, with the result that the transfer coefficient...

On the basis of the analysis of the previous paper, the present work poses a series of problems in dilute-phase heat transfer technique as applied to chemical metallurgy, and illustrates its practical aspects through pilot-scale measurements and experiments in the development of new metallurgical processes.In actual practice, particles are more often than not in accelerative motion while heat is being transported between them and the surrounding fluid medium, with the result that the transfer coefficient seldom retains a constant value. An acceleration integral∫F(x)=integral from n=Re_0 to (Re_0+Re)((Re_s~xdRe_s)/(Ar_(Δρ)-fRe_s~2)) is proposed from which four dimensionless groups are derived (Eqs. (28), (29), (31), and (36)) which permit comparison of analogous heat transfer equipment on a generalized basis. Towards this end, Eq. (43) is derived for calculating the effectiveness of heat recovery for multi-layer dense-phase fluidization with full allowance for heterogeneous nonuniformity, so that the dense-phase operation may be compared directly with the corresponding dilute-phase operation as given by Eqs. (26) and (26a).After heat transfer measurements had been conducted on pilot scale, the authors applied the dilute-phase technique to heat transfer problems in the magnetizing roasting of low-grade iron ores and the sulfatizing roasting of an iron ore containing small amounts of copper and cobalt. In both cases pilot plant results indicate that the capital investment of dilute-phase equipment would be much lower that those of the conventional counterparts of corresponding capacities. Finally, it is concluded that dilute-phase technique is a new, yet rapidly developing field in the application of fluidization to chemical metallurgy, and a few important problems are proposed for future investigation.

在前文的分析基础上,提出了将稀相技术应用于流态化冶金中換热过程时的一系列問題,并通过稀相換热的扩大实驗和中間工厂实践进一步闡明稀相流态化的应用。在工艺換热过程中顆粒在加速度状态下与周围的流体进行換热,因此換热系数并非为常数。本文通过一个加速度积分∫F(x)=integral from n=Re_0 to (Re_0+Re)((Re_s~xdRe_s)/(Ar_(Δρ)-fRe_s~2)),对換热設备的換热能力和压降特性用四个无因次数加以統一描述[式(28),(29),(31)和式(36)]。将稀相換热与多层浓相流态化床比較时,本文为流速的非齐次性提出式(43)所表示的多层流态化床的热量回收率关系,使之可与稀相換热[式(26)和式(26a)进行直接比較]。在进行稀相換热扩大实驗后,将稀相技术应用于貧铁矿的磁化焙烧和含低品位銅鈷氧化鉄矿的硫酸化焙烧中間工厂中,并指出采用稀相換热的設备投资仅为习俗設备的一个很小的百分数。指出稀相技术是一个流态化冶金中正在开始发展的領域,其中許多問題尚待进一步的探索和研究。

The present work, on the basis of experimental investigation of water heat pipes, proposes an optimal wick structure with low resistance and high transport capability and treats of the mechanism of heat transfer in the evaporator zone of the heat pipe. It is concluded that heat is transferred by conduction across wick-liquid matrix for metal working fluids and non-metallic working fluids in low heat flux. For non-metallic working fluids in high heat flux, nucleate boiling...

The present work, on the basis of experimental investigation of water heat pipes, proposes an optimal wick structure with low resistance and high transport capability and treats of the mechanism of heat transfer in the evaporator zone of the heat pipe. It is concluded that heat is transferred by conduction across wick-liquid matrix for metal working fluids and non-metallic working fluids in low heat flux. For non-metallic working fluids in high heat flux, nucleate boiling may occur in wick liquid matrix. In this case, premature burnout caused by nucleate boding can be prevented by means of proper wick design. The results of the test indicate that by the use of the gravity-assisted water heat pipe with 1.5-M-length and tilt angle of 3? its maximum heat transfer rate will be five times greater than that of horizontal heat pipe. Finally, engineering application of heat pipes to thyristor cooling and heat recovery will be presented.

本文在水热管试验研究的基础上,提出低热阻、高传热率的最佳吸液芯结构,论述热管蒸发区内的传热机理。对于金属流体和低热流密度下的非金属流体,蒸发区内的传热主要靠通过吸液芯-液体组合体的导热;对于高热流密度下的非金属流体,蒸发区内可能出现核沸腾,这时妥善设计吸液芯,可以延缓因核沸腾而过早地出现干涸的现象。试验表明,1.5米长的重力辅助水热管,倾角3°下最大传热率竟比水平时增加6倍。最后,介绍水热管在晶闸管散热和余热回收中的工程应用。

A condensing steam turbine (model No. 31-12) in the steam power plant of the First Automobile Manufactory was retiofitted in 1971. After having been retiofitted, the turbine was put into low vacuum operation. Since then, the latent heat of the turbine exhaust steam has been utilized for factory and domestic heating. The total amount of heat recovery in every heating season was up to 95×103 Meal. In this article the principle and economics of low vacuum operation of a condensing steam...

A condensing steam turbine (model No. 31-12) in the steam power plant of the First Automobile Manufactory was retiofitted in 1971. After having been retiofitted, the turbine was put into low vacuum operation. Since then, the latent heat of the turbine exhaust steam has been utilized for factory and domestic heating. The total amount of heat recovery in every heating season was up to 95×103 Meal. In this article the principle and economics of low vacuum operation of a condensing steam turbine are described together with the experiences gained during the retiofit and practical operation of the turbine in this factory for the last nine years.

第一汔车厂动力分厂于1971年对一台31-12型凝汽式汽轮机进行技术改造,投入低真空运行。利用汽轮机的排汽潜热供工厂及居民采暖。每个采暖期可回收热量95×10~3百万大卡。本文介绍了凝汽式汽轮机低真空运行的原理与经济性以及该厂改造的经过和九年来实际运行的情况。

 
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