冷却系统

These will include more modern , air cooling and eating heating systems.

这些系统包括更现代化的，制冷空气冷却和加热系统。

Process water cooling with open circuit is designed Two indrirect circulating systems are used, of which BF circulating system with flow rate of 1,900 t/h for BF proper and 600 t/h for stove HP circulating system used for cooling of tuyere and small cooler of cinder notch with flow rate of 330 t/h 1.2.1.4 BF structure The 450 m3 blast furnace is of stand free type with steel frame structure for supporting of 5 platforms and the skip bridge.

过程中的冷却水与开放电路设计两个indrirect系统循环使用，其中高炉循环水系统与流量1900吨/小时正确高炉和600吨/小时炉惠普循环系统用于冷却风口和小凉煤渣缺口流速为330笔/小时 1.2.1.3高炉结构 450 m3高炉是站在自由型钢架结构为支撑平台5和跳过大桥。

The principle of system is introduced, through the theoretical calculation of atomized refrigerating capacity in spray heat exchange system, offer foundation of calculation for rationally design system.

本文介绍了系统的组成原理，并通过喷雾换热系统的雾化冷却能力的理论计算，为系统的合理设计提供了计算依据。

According to the theoretical analysis,the results show that the fresh air dehumidified before mixed with return air is more energy-saving among many kinds of realization shapes.Indoor exhaust used as regeneration air can also reduce the total energy consumption of the system.It may enhance the regeneration property when the recuperator is adopted to absorb energy to preheat the dilute liquid.

对此空调系统进行理论分析，得出如下结论：在溶液除湿蒸发冷却空调系统的多种实现形式中，新风经除湿后与回风混合比新回风混合后再除湿节能；将室内排风返回溶液再生器，进行热湿交换，既可加强对处理空气的预冷，回收排风冷量，又可提高再生器的效率，降低系统能耗；把回热器吸收除湿浓溶液中的部分热量用于溶液再生器的稀溶液预热，可以提高溶液的再生性能。

The main reason is that many high-grade office space is equipped with all-air central air conditioning, is to first deal with air, reducing temperature and humidity, the air sent through the pipeline to the room through the return air, pipeline to return to the central processing system, central processing system for cooling air return after降湿part of the new wind coupled with the second round after the blast, and so the cycle, while the central air-conditioning system for energy conservation, often adding a little fresh air, return air devices in the recovery rate of 80%, resulting in cross-infection the opportunity to increase significantly.

主要的原因是，许多高品位的办公空间配备了全空气中央空调，是先处理空气，降低温度和湿度，空气通过管道传送到房间通过回风管道返回中央处理系统，中央处理系统，冷却空气降湿后返回的一部分，新风，加上第二轮爆炸后，所以周期，而中央空调系统节能，往往增加了小新鲜空气，回风装置，回收率为80 ％，导致交叉感染的机会大大增加。

The cooling system is made up of the passages inside the engine block and heads, a water pump to circulate the coolant, a thermostat to control the temperature of the coolant, a radiator to cool the coolant, a radiator cap to control the pressure in the system, and some plumbing consisting of interconnecting hoses to transfer the coolant from the engine to radiator and also to the car's heater system where hot coolant is used to warm up the vehicle's interior on a cold day.

制冷系统是在发动结内部中间和顶部有许多段组成的，一个水泵来循环制冷剂，一个自动调温器来控制制冷剂的温度，一个水箱来冷却制冷剂，一个水箱盖来控制系统的压力，许多泵还包括互相连接的水管输送制冷剂在发动机和水箱之间，或是发动机和汽车的加热系统，当冷天气，加热剂来增加汽车的内部温度。

Based on solidification theory and analysis of process of Aluminum alloy Direct Chill casting, the control system of DC casting for big size billet has been designed. For improving the quality of billet-optimized control strategy of cooling water must be determined to eliminate the instability of the traditional feedforward control, PID control and cascade control have been introduced.

通过对铝合金DC铸造工艺过程的分析，建立了铝合金DC铸造的控制系统；在分析DC铸造铸锭结晶凝固原理的基础上，完成了冷却水量自动控制的系统设计，并进行了控制策略的选择；基于对铝合金直接水冷铸造，DC凝固原理和工艺过程的分析，本文提出了大尺寸铝合金圆锭铸造的控制系统设计方案。

In order to investigate the effect of minior actinide data on integral parameter, the accelerator-driven minior actinide benchmark system was selected in this work.

为了确定加速器驱动系统中少錒系核素的核数据的不确定性对此系统中积分参数的影响，选择一铅－铋冷却次临界系统来进行分析，选择不同的微观评价库，CENDL-3.0，JENDL-3.2及ENDF/B-VI。

Aiming at the characteristics of saving water, using the water safely and the limited field, the surface evaporative air cooler, perfect safety measures and integrated cooling and cooling water system are adopted in design; the degassing tank is set up in the discharging tube of the cooler for solving gas disposition of the system.

针对系统要求节水、安全用水、设备布置场地狭窄等特点，设计采用了表面蒸发式冷却器及集成冷却和冷却水系统，在空冷器出水总管设置脱气罐，解决了系统积气问题，并采用了完善的事故保安措施。

The hot helium temperature follows HTR-10's nuclear power changes slowly, and there is a large coupling between them, so the RPHHT system adopts cascade control, the minor loop is fast, and the major loop is hot helium temperature control loop whose dynamic response is slow; there is also a large coupling between main helium loop and steam-water loop, and both the main steam temperature measure signal and the heating process of the once-through steam generator are delayed, therefore, the MHFMST applies cascade control, the minor is main helium flow control loop whose dynamic response is fast, and the major is the main steam temperature control loop whose dynamic response is slow.

本文运用机理建模法，建立了HTR-10系统动态控制模型，然后进行了动态性能仿真，将堆芯用集中参数表示，冷却剂按一维流动处理；直流蒸汽发生器按二回路工质不同的相分为预热段、蒸发段和过热段，建立了三环节控制模型，得到HTR-10系统控制模型；仿真结果与数值计算结果对比表明，本文所建立的控制模型，能近似地反映HTR-10的动态特性，适合设计控制系统。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐