预热器

The company is located in Shanghai Chemical Industrial Zone in southern, mainly the production of boiler pipe attachment and accessory products - pile tip has passed ISO9001: 2000 quality system certification, more than twenty years for the production of boiler plant attachment, economizer, superheater, reheater, air preheater, such as supporting the entire Product.

公司座落于上海南部化学工业区，主要生产锅炉附件及管桩的配套产品--桩尖，已通过ISO9001：2000质量体系认证，多年来为二十多家电厂生产锅炉附件、省煤器、过热器、再热器、空气预热器等全配套产品。

Furthermore, the effects of the location of TVC、the quantity and location of preheater are shown.

同时分析了平流流程喷射器位置、预热器位置和预热热量变化时对系统热力性能的影响。

Power boiler air preheater hot spots detection system is a indispensable installation which are applied in power plant largely.

电站锅炉空气预热器是广泛应用于火力发电厂的不可缺少的设备，但是由于其自身的工作特性所决定，空气预热器比较容易起火。

It is very important problem how to detect aggregate fuels and sediments temperature on air preheater parts surface effectively in order to prevent air preheater from fire.

如何有效地检测空气预热器表面的燃料油污沉积物的温度，是防止空气预热器表面起火所必须考虑的问题。

The use of partitions condenser and water ring vacuum pump with heat pump, condenser pipe snake, water ring vacuum pump condenser preheater material doubles as a full use of steam at the end of the second heat efficiency and reduce the consumption of cooling water.

采用间壁式冷凝器和水环真空泵带热泵、蛇管冷凝器、水环真空泵冷凝器兼作物料预热器充分利用末效二次蒸汽的热量，并减少冷却水量的耗量。

The principles and application of the heat medium water air preheater for the delayed coker heater are presented.

介绍了水热媒空气预热器的基本原理和应用情况，其在延迟焦化加热炉上工业应用的结果表明，该类型空气预热器能够适应加热炉负荷和燃料性质的变化，余热回收效率高、节能效果好，使加热炉热效率提高了7。

Sulfur corrodible sites and their characteristics were introduced of the prefractionation system, air preheaters of heating furnace and product air coolers etc,and chlorine corrodible sites and their characteristics were also presented of the thermocouple casing tubes, product air coolers and fire arrestors of heating furnace etc in the catalytic reforming and diesel hydrogenated unit s.

介绍了中国石油哈尔滨石化公司催化重整及柴油加氢装置在预分馏系统、加热炉空气预热器、加氢装置反应产物空冷器等处易发生硫腐蚀和在预加氢热偶套管、加氢反应产物空冷器、加热炉阻火器等处易发生氯腐蚀的部位及其表现特征，指出装置在低温(不高于120℃)、含水、容易被堵塞的部位易形成HCl-H2S-H2O腐蚀体系，分析了腐蚀原因和介质来源，总结和提出了开好原油的电脱盐、采用脱氯技术、加强对加热炉的排烟温度控制和腐蚀介质的精制与净化、加大空冷器的注水量等针对性防腐经验和措施。

Market forecasting: Our company is the first to produce enamel heat-transfer elements gilled heat-transfer elements used for the cold ends of rotary air forewarmer in big electric power plants,and enamel light pipe heat-transfer elements used for the tubing or box-type air forewarmer in small-sized electric power plants,are both made in our company .Our products are used in over 40 electic power plants of our country and exported to Japan、 Viet Nam、 Pakistan etc.

市场预测：我公司是国内第一家搪瓷传热元件生产厂家，大型电厂的回转式空气预热器冷端所用的片式传热元件和小型电厂管箱式空气预热器所用的搪瓷光管传热元件均为我公司生产，已在全国40多家电厂采用，并出口到日本、越南、伊朗、巴基斯坦等国家。

The paper describes the development of the pre-heater of hot-blast stove for blast furnace, and the technical advancements of the pre-heater in terms of material, heat exchanger type as well as heat transfer medium.

叙述了高炉热风炉预热器的发展情况，介绍了预热器在材料、换热器形式和换热工质等方面的技术进步。

The model aims at minimum annual cost (including operating cost and equipment depreciation cost) of whole evaporation system (including two sequential system——multi-evaporation system and multi-level preheating system). The tempreture of flesh vapor, the tempreture of condenser, effective heat-transfer temperature difference of vari-effect, and outlet solution temperature of vari-level preheater were both decision variables.

优化设计数学模型以整个蒸发系统(包括多效蒸发和多级预热两个序贯系统)的年总费用(包括系统年操作费用和设备年折旧费用)最小为优化目标，以生蒸汽温度T0、冷凝器中二次蒸汽温度Tk、各效蒸发器有效传热温度差Δti及各级预热器溶液出口温度tpj为决策变量。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。