本实用新型解决了长期以来压风机站不能在回风巷道内分设的难题。
The utility model solves the problem that compressed air station is not separately arranged in the air return laneway for a long time.
该钵体播种机，机架上设有负压风机、正压风机、种盘、钵体苗盘和钵体播种盘；
The potted seeding machine is characterized in that a negative pressure fan, a positive pressure fan, a seed tray, a potted seedling tray and a potted seeding tray are arranged on a stand;
在山西长子县某水源井施工中，利用现有7/9压风机与TB850/50泥浆泵设备，采用泡沫增压钻进技术进行钻探。
In a construction of water source well in Zhangzi County, Shanxi, we used available 7/9 air compressor and TB850/50 slurry pump, and foam pressurized drilling technique.
日本进口原装轴流风机，316L不锈钢材料模具压形的烘干箱，真正永不生锈，保证了整机的运转性能。
Imported original axis flow fans, 316l stainless material mould press shaped drying box, real never rust steel from Japan which guaranteeing the running characteristic of whole machine.
调节引风机，使上箱体中床层物料上部保持微负压，维持良好的干燥环境并防止粉尘外泄（略）。
Fan regulation, which box on the bed material to maintain the upper-vacuum, maintain good dry environment and prevent dust leakage.
给出了一种根据现场有关实测参数，借助模型求取工作点流量和风机全压，以实现动态工作点监视的简便方法。
A simple method is presented to realize work point dynamic monitoring by solving the flow and the total pressure of the fan with the model and relative parameters got on the spot.
本试验利用烘干机配备起冷却作用的钢板仓（配有通风机和通风道装置）合理安装排管与压管进行通风储藏玉米。
The experiment of ventilation storage for corn was carried out making use of driers combined silo which had cooling function (equipped with fanner and ventilation channel installation).
介绍了对风机叶轮前盘采用分段压型和组焊的工艺方案以及制造工艺的过程。
Sectionally pressing and assembled weld technology of front disc on fan impeller is introduced.
对矿井开采中采用的局部扇风机进行泄压通风的技术作了介绍。
This paper introduces the decompression ventilation technique with local fans in the excavation of the mine.
试验结果表明，串联吸气全压与单风机全压相比在小流量区域全压显著增大，改善了风机的性能；
The results show that the pressure in series is increased markedly in small flow-rate area, so performance of the fans is improved.
矿井主扇扩散器是用来降低出口速压以提高风机静压而回收风机出口动能的装置。
The diffuser of mine main fan is a device to use reducing velocity pressure of outlet, increase static pressure and recovery kinetic energy.
通过对三种风道系统的压力进行分析，认为应根据风机全压等于风管系统阻力损失来选择风机。
According to the analysis on pressure of three kinds of duct systems, concludes that the total pressure of a fan should be equal to the resistance loss of the duct system.
提出了混合器出口背压与所需风机的最小压头之间的关系式可以用于预混燃烧器风机的选取；
The relation between mixer back pressure and minimum fan pressure was developed, which could used to select the fan when design a premixed burner.
介绍了SIMOVE RT MV中压变频器在莱钢干熄焦循环风机中的应用情况。
This paper presents the application of SIMOVERT MV medium voltage frequency transformer in the circulating fan for CDQ in Laigang.
介绍了风机集流器弧段压型、组焊的工艺方法。
The method of segmental arc pressing and combinational weld technology of fan collector is introduced.
对现有风机节能改造可采用更换或切削叶轮、调整可调叶片角度，改变扩压器叶片角度以及风机变速运行等措施。
Changing or cutting the impeller, adjusting the angles of variable blades, changing the angles of pressure expander and variable speed of fans may be adopted for the energy-saving of fans on hand.
目前，对压水堆主泵的惰转特性已有大量的实验研究和实际运行结果，但有关主氦风机惰转特性的实验研究与理论研究还很缺乏。
The stopping behavior of the primary pump has been studied in the experiments and the reactor plant, however, the study on the stopping behavior of the primary helium circulator for HTR is very lack.
分析了罗茨鼓风机轴功率随压差和转速变化的特性，导出了相应的换算公式。
The character on change of the shaft power with the differential pressure or rotational speed for Roots blower is analysed, the conversion formulas for the shaft power are deduced.
提出了有效床存量的概念、床压控制的原则、一次风机压头选择的依据。
The concept of effective bed inventory, the principle of bed inventory control and the selection theory of primary fan pressure are suggested.
在紧密纺大风机系统设计中，车头、车尾各锭的负压差异要保持在允许误差范围之内。
When designing FDF system of compact spinning, the negative pressure drops resulting from spindles at the front and back of the machine should be kept within allowance.
首先，对于多翼离心风机涡流噪声的降噪，主要通过优化叶轮、蜗壳的结构几何参数和在叶轮出口加装旋转扩压器等方式进行。
Firstly, the vortex noise can be reduced mainly through the optimization of the geometric parameters of the impeller and volute and installing a rotation diffuser in the outlet of the impeller.
无熔丝开关，压缩机超压，过热，过电流保护超温保护，风机过载保护，保险丝，干烧保护器，缺水保护。
No fuse breaker, over pressure, over heat and over current protectors for compressor, over temp. protector, over load protectorof fan, dry heat pr techto.
空气管道出口处负压现象的发现，打破了传统的空气管道终端压力分布理论，改变了人们长期形成的风机出口管道终端不会出现负压的观念。
The traditional pressure distribution theory in air pipeline has been smashed by discovery of vacuum phenomena in the outlet of air pipeline.
利用产品的组态功能，可以将产品应用于：中央空调末端设备，换热器，压差旁通阀，空气品质、冷却塔、风机、水泵、液位、室内静压、直接蒸发式空调机组等。
To use its self-configured function , The DDC can be used in center air-condition endmost equipment, the quality of air , wind machine , water pump , liquid location , compressive stress and so on.
在整个风机系统改造后，鼓风机达到了无压启动和无压关闭的效果，提高了运行效率，降低了能耗。
After reconstruction of the whole system, no pressure startup and no pressure close were achieved; and thus improving the operation efficiency and reducing the energy consumption.
它还有一套风运装置，由风机的进风口负压实现粮食的风运收集。
The utility model is also provided with a set of winnowing device, and grains are winnowed and collected by the negative pressure of an air intake of a blower.
高温气冷堆主氦风机与压水堆主泵一样，均为反应堆一回路的关键设备。
Both the primary helium circulator for high-temperature gas-cooled reactor (HTR) and the primary pump for the pressurized-water reactor are the key components in the reactor primary loop.
高温气冷堆主氦风机与压水堆主泵一样，均为反应堆一回路的关键设备。
Both the primary helium circulator for high-temperature gas-cooled reactor (HTR) and the primary pump for the pressurized-water reactor are the key components in the reactor primary loop.
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