输送管

Keywords Gas-solid two-phase flow;Pneumatic conveying;High temperature pipe expansion system;Numerical simulation;Structural optimization

气固两相流；气力输送；高温管式膨胀系统；数值模拟；结构优化

New five-stage cyclone pre-heater system, high efficiency air g**er grate cooler, multi-passage pulverized coal burner, Davison heat temperature fan, Luqi BS930 electrical dust collector, as well as chain-board elevator, chain conveyor adopted in this production line can ensure that the technology is advanced compared to other production lines with the same scale.

如新型五级旋风预热预分解系统、高效空气梁篦冷机，节能型多通道喷煤管，戴维森高温风机，鲁奇最新技术生产的电收尘（BS930）等，输送设备采用了耐用、节电的板链提升机、链式输送机，将使本工程的装备在同规模生产线中处于领先水平。

Accessories to industrial automation product development, design, production and marketing of our factory main products: all kinds of machine tools shield material, engineering plastics Tuolian, a new type of flexible PVC shielding, the organ -, Drum-and-armor, shielding shutter-stretching, Al-shaped protective screens, TL Steel Aluminium Tuolian bridge, the bridge closed all engineering plastics Tuolian, rectangular metal hose jacket, DGT-catheter sheath , Spiral strip sheathing, Machine Tool blowing litter board, T-hit block groove boards, adjustable plastic cooling pipe, S78 series of machine tools Sizing Block, Paixie, in addition to chip conveyor, Shu Songlian, all I Tools The full range of products company, the lowest price, prompt delivery.

山东宇鑫机械配件有限公司致力于工业自动化产品的开发、设计、生产和销售我厂主要产品有：各种材质的机床防护罩、工程塑料拖链、新型PVC柔性护罩、风琴式、圆桶式、铠甲式、卷帘式伸缩护罩、铝形防护帘、TL桥式钢铝拖链、桥式全封闭式工程塑料拖链、矩形金属软管护套、DGT型导管护套、螺旋钢带护套、机床导轨刮屑板、T型撞块槽板、可调塑料冷却管、S78系列机床垫铁、排屑器、除屑输送机、输送链、各种工量具我公司的产品品种齐全、价格全国最低、交货及时。

These products are all made of high quality sted by forging and finishing cut, They have good.

油壬用于水泥车、压裂车、各种管汇及其他高压设备和管线上，是输送油、水、压裂液及混合流体的重要部件，这些产品均采用优质钢锻造成及精加工制成，具有

Once the position of the device was found to be satisfactory and without or with only a trace to small residual shunt was confirmed, the device was released by turning the cable counterclockwise using the pin vise.

选择大于所测PDA最窄直径2～4 mm的Amplatzer封堵器，于透视下经6 F输送鞘管将其封堵于PDA处。10分钟后重复主动脉造影，若封堵器形状、位置满意，无或仅有微～少量残余分流时，可释放封堵器。

I also EXAIR as the United States in China and Hong Kong agents, marketing and sales of the company's air knife, vortex tube chassis electric cooler, gas knife-type pneumatic conveying equipment, electrostatic air cleaner knives and other products.

我公司还作为美国EXAIR公司在中国及香港地区的代理商，推广及销售该公司的气刀、涡管式电气机箱冷却器、气刀型气力输送装置、气刀式静电清除器等产品。

steel pipes at trial production, which were confirmed meeting the GB/T 9711.2 standard by the China National Quality Supervision, Testing and Inspection Center of Oil Tubular Goods.

产品X80 φ1219×27.5直缝埋弧焊管，经国家石油管材质量监督检验中心检验，确认符合GB/T 9711.2-1999《石油天然气输送钢管交货技术条件第2部分：B级钢管》及TSG D7002-2006《压力管道元件型式实验规则》的要求。

Test shows that the self-priming height and period of the pump vary with the viscocity of the fluid delivered and the self-priming performance is also affected by the gas content in fluid, installing height of pump and immersed depth of suction pipe.

试验表明，输送液体的粘度不同，泵的自吸高度和自吸时间也不同。同时，泵的自吸性能还受液体含气量、安装高度和吸入管浸入深度等诸因素的影响，因此应正确地选用和安装。

Since its creation, the company constantly to scientific and technological innovation, product replacement-oriented, scientific and technical personnel through the company's efforts, in fluoroplastics processing based on the development of steel-lined PTFE technology, production of pipes, tower sections, fittings, containers, sealed first-class steel-lined equipment, applicable to a wide range of long life and can transport a variety of media, which has won the trust of their clients.

公司自创建以来，不断以科技创新，产品更新换代为导向，经过公司科技人员的努力，在氟塑料加工基础上，开发出聚四氟乙烯钢衬技术，生产的管道、塔节、管件、容器、封头等钢衬设备，适用范围广、寿命长、能输送多种介质，从而赢得了广大客户的信赖。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。