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正压浓相气力输送技术

生产厂家:江苏纽兰普能源环境科技有限公司
所属类别:产品介绍
发布时间:2018-11-8 14:09:33
来源:http://www.fjlgs.com
本文将对正压浓相气力输送技术详细的说明与介绍,江苏纽兰普能源环境科技有限公司作为是专业的正压浓相气力输送技术生产厂家,为您选购适合自己的产品做一定的指导是必要的。要问正压浓相气力输送技术哪里好,当选江苏纽兰普能源环境科技有限公司。

详细信息

    正压浓相气力输送技术具有系统简洁,布置灵活,运行可靠,自动化 程度高,系统投资省,输送灰气比高,流速低,维护工作量小和年运行费用低等特点,深受广大用户的欢迎。
    正压浓相气力输送技术,可以根据各种情况和用户需要,选用L型泵 静压柱塞输送系统,T型泵集团流气力输送系统和NPD型泵动压悬浮气力输送系统。
    公司所提供泵(发送器)的进料阀采用气封式圆顶阀,其出料阀采用独特的气动圆柱旋转阀(专用技术),所有泵(发送器)的进气阀门和料位计均采用国外原装进口设备。
    气力输送系统能输送从细粉状、粒状到块状各种松散体物料,如燃煤电厂的粉煤灰、脱硫灰、循环流化床床砂及炉底渣、石灰石粉、石子煤、石英石、纯碱等物料。
     纽正压浓相气力输送技术的适应输送距离为50—1200米,其中提升高度巳达到75米,系统输送能力可达到250t/h,输送物料址低温度为—20℃,址“温度为450℃。

Positive Dense Phase Pneumatic Conveyance Technology

Pneumplan Pneumati Conveyance Technology has such advantages as simple configuration,flexible and reliable operation,high auto control level,low initial investment,high ash/air ratio,less air consumption,small size conveying pipeline,low velocity,saved maintenance and annual operation cost.According to the special requirements of customer,we can offer L type conveyor static pressure plug flow pneumatic conveying system,T type conveyor group flow pneumatic conveying system NPD type conveyor dynamic pressure suspended flow pneumatic conveying system.

The Pneuplan positive dense phase pneumatic conveyance technology can handle the bulk material in size ranging from powder to granular such as fly ash,FGD system ash,CFB boiler bed sand and bottom ash,Pyrites,limestone powder,quartz flour,etc.

The applicable distance Pneuplan system can convey is between 50-1200m,among which the lift height is 75m,the conveyance capacity is up to 250t/h,the minimal temp of bulk material we transfer is -20℃ and the maximal 450℃

 

高密度气力输送系统十大特点 

    一、系统配置简洁   

    系统内转动部件少,其中进料阀、出料阀为转动部件,无其他辅助设备;仪用气源和输送气源公用;灰斗不需设设置气化装置,气化风机和空气加热器;运行方式灵活多变,可连续运行,也可定期运行。

    二、系统输送灰气比高

    系统采用高密度的低压栓流式输送,消耗较少的压缩空气可以输送较多的物料,输送灰比最高可达80-100。以100m趴离的粉煤从输送为例,输送灰气比可达80kg/kg。

    三、输送能耗低

    由于输送等量物料需要的压缩空气量较小,且输送压力较低,因此输送能耗远低于其他形式的气力输送系统。

    四、系统输送流速低

    系统输送速度低,以L型泵为例,出口初速度为3m/s,未速度为7m/s。

    五、管道磨损小

    由于采用较低的输送速度,而气力输送的管道磨损与输送流速成立方比例,管道流速低必然大大降低管道磨损。

    六、系统投资少,年运行维护费用低

   由于系统配置简洁,设备少,要求的电除尘器安装高度比较低,因此只需要较小的投资。 而由于设备可靠,检修维护量少,系统能耗低,所以只需较低的费用就可保证系统安全可靠的运行。

    七、进料阀采用国际先进的气动圆顶阀

    阀门结构可靠,寿命长,检修维护简便,采用国际******的气封式结构,阀门启闭时阀芯可以充气密封圈之间无接触,密封圈采用特殊配方橡胶制成,保证使用寿命可达100万次。

    八、出料阀采用独特的气动圆柱旋转阀

    阀门结构可靠,加工精度高,专为栓流式气`力输送系统研制。阀芯与管道平滑过渡,无曲率变化,适介于浓相栓流式输送,采用耐磨阀芯,保证使用寿命为50万次。(公司专用技术)

    九、阀门气动执行器性能可靠,寿命长,推力大

    气动执行器采用全封闭回转推杆式直缸驱动,封闭腔内轨迹转换,回转输出,即使在恶劣工况下,也不会由于执行器密封件的磨损而导致内泄漏。(公司专用技术)

    十、系统控制水平高

系统控制采用先进的可编程控制器(PIC),有自动控制、远方操作和就地手动控制三种控制方式,正常情况下采用自动控制方式。控制系统可实现运行数据和故障信号的采集自动化,对运行数据自动分析和故障判断,并对系统中的故障实现分类报警。  

Pneuplan Dense Phase Pneumatic Conveying
System Ten CharacteristicS


1. Simple System Configuration

The moving parts of system are mininmized,only the Dome valve and In-line valve are moving parts.No other auxiliary equipment is required such as the fluidizing equipment of hoppers.The system has the flexibilty of running modes such as a continuous running mode or a periodic running mode according to the requirements.

 2. high ash/air ratio

The system conveys the ash in a mode of "Plug" with low compressed air consumption to transfer much more material.The ash/air ratio can reach 80—100 max.taking the 100—meter distance of conveyance for example,the ash/air ratio is up t0 80kg/kg.

 3.Low energy consumption

The energy consumption is far lower than any other conveying system since it needs a little compressed air and pressure.

 4.Low transfer velocity

The system has a low conveying velocity normally 3m/s at the beginning and 7m/s at the end for L type conreyor

 5.Lowwear of pipeline

The low ash conVeying speed keeps the pipe wear to the minimum for the reason that the wear of pipe is in cubic proporton to conveying speed.

 6.Low initial and maintenance cost

The initial and maintenance cost of Pneuplan conveying system is saved due to the simple system  cofiguration,less equipment required and the low erection height requirement of ESP The system ensure its normal operation in a state of reliable and robust construction with little maintenance and low energy consumption.

 7.Advanced Pneuplan Done Valve

with its advanced and reliable air—sealed structure,long service life and convenient maintenance,the dome valve guarantees the operation cycles up to 1 million as the inflatable Pressure tight seal never contacts with the dome when opening or closing.

 8. Unique Pneuplan In-line Valve

With the reliable structure and high Precision of machining,the in-1ine valve is developed specially for “plug” conveying system.The service life can reach 500 thousand operation cycles.

 9.Reliable,long life and powerful pneumatic actuator

The actuator is easy to install almost everywhere thanks to its clever structure.It can be rotated at 90-degree intervals and the valve can be connected to either end of the shaft.If necessary,the valve can be manually secured at the free end of the shaft by using a key.The position of the actuator is clearly indicated by a direction arrow marked on the actuator.Even in abnormal condition,no leakage will occur if the seal is worn.

 10.High control level

The system is automahcally controlled by PLC with which you can undertake three control modes in-cluding auto mode,manual mode and remote control mode.In normal condition the auto made is used.The system can realize the automatic collection of running data and failure signal.It also can automahcally analyze the data and estimate the fault.The alarm of malfunction can be achieved and classified.

 

气力输送系统的典型结构与原理
Typical Structure and operation principles

   气力输送系统的发送器以栓塞方式输送物料,  灰斗和发送器不需额外的流化,系统的典型结构如图所示。系统运行一般由五个阶段组成。

  阶段一:可靠的、高强度的圆顶阀关闭发送器进料口

  阶段二:输送空气导入发送器,进行浓相栓塞输送

  阶段三:输送空气推动灰栓沿养输送管移动

  阶段四:施加的空气压力一直保持到灰栓进入灰库

  阶段五:进入灰库的空气经布袋除尘器排出灰库

  整个运行过程采用全自动PLC控制,也可进行就地手动控制。

The conveying system is based on conveyors which send the ash in a non contimuous mode as “plug” without additional energy-intensive fluidizing. The typical Pneuplan pneumatic conveying system is a five-Phase process as described in the adjacent diagram

In Phase1  an extremely reliable and robust dome valve closes the conveyor's entrance opening.

In Phase2  conveyance air is led to the conveyor and starts the dense phase conveyance.

In Phase3  conveying air forces the ash Plug to move along the conveying pipeline.

In Phase4  air pressure is applied until the ash plug reaches the silo.

In Phase5  access air is exhausted from the silo through a dust filter.

The whole process including silo function is fully automated by PLC.Local manual control is always possible as well.


上一篇我们就库顶切换阀做了详细介绍和说明, 电热锅炉用电热管在下一篇继续做详细介绍,如需了解更多我们的信息,请持续关注。
本文由正压浓相气力输送技术生产厂家江苏纽兰普能源环境科技有限公司于2018-11-8 14:09:33整理发布。
转载请注明出处:http://www.fjlgs.com/product/5374.html。


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