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气力输送设备原理有哪些?

文章来源: 作者:罗茨机电 发布时间:2021-08-11 浏览次数:682

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气力输送又被称为气流输送,是利用空气的能量来进行粉粒状物料连续输送的输运技术。在电力、化工、食品处理、钢铁、冶金、机械制造、医药等行业具有广泛的应用。

Pneumatic conveying, also known as air conveying, is a transportation technology that uses the energy of air to continuously transport powder and granular materials. It is widely used in electric power, chemical industry, food processing, iron and steel, metallurgy, machinery manufacturing, medicine and other industries.

气力输送方式

Pneumatic conveying mode

按照每单位体积的气体载体中所携带的粉体的质量多少可分为:稀相气力输送和浓相气力输送,而浓相气力输送又分为浓相动压气力输送和浓相静压栓流气力输送。

According to the mass of the powder carried in the gas carrier per unit volume, it can be divided into dilute phase pneumatic conveying and dense phase pneumatic conveying, and the dense phase pneumatic conveying can be divided into dense phase dynamic pressure pneumatic conveying and dense phase static pressure plug flow pneumatic conveying.

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按输送方式可分为:吸式、压送式和混合式。

According to the conveying mode, it can be divided into suction type, pressure feeding type and mixed type.

稀相气力输送与浓相气力输送的对比

Comparison between dilute phase pneumatic conveying and dense phase pneumatic conveying

气力输送系统与装置类型

Pneumatic conveying system and device type

气力输送粉状物料的系统形式大致分为吸送式、压送式或者两种方式相结合三种。

The system forms of pneumatic conveying powder materials can be roughly divided into suction type, pressure type or a combination of the two methods.

吸送式气力输送系统

Suction pneumatic conveying system

吸送式气力输送系统

Suction pneumatic conveying system

1-消声器;2-引风机;3-料仓;4-除尘器;5-卸料闸阀;6-转向阀;7-加料仓;8-加料阀;9-铁路漏斗车;10-船舱

1 - silencer; 2 - induced draft fan; 3 - silo; 4 - dust collector; 5 - discharge gate valve; 6 - steering valve; 7 - feeding bin; 8 - charging valve; 9 - railway hopper car; 10 - cabin

特点:

characteristic:

系统较简单,无粉尘飞扬,可同时多点取料,工作压力较低(小于0.1MPa),但输送距离较短,气固分离器密封要求严格。

The system is simple, no dust flying, can take materials at multiple points at the same time, the working pressure is low (less than 0.1MPa), but the conveying distance is short, and the sealing requirements of gas-solid separator are strict.

压送式气力输送系统

Pressure pneumatic conveying system

压送式气力输送系统

Pressure pneumatic conveying system

1-料仓;2-供料器;3鼓风机;4-输送管;5-转向阀;6-除尘器

1 - silo; 2 - feeder; 3 blower; 4 - conveying pipe; 5 - steering valve; 6 - dust collector

特点:

characteristic:

工作压力大(0.1~0.7MPa),输送距离长,对分离器的密填充要求稍低,但易混入油水等杂物,系统较复杂。

The working pressure is high (0.1 ~ 0.7MPa), the conveying distance is long, and the requirements for dense filling of the separator are slightly low, but it is easy to mix with sundries such as oil and water, and the system is complex.

压送式分为低压输送和高压输送两种,前者工作压力一般小于0.1Mpa,供料设备有空气输送斜槽、气力提升泵及低压喷射泵等;后者工作压力为0.1~0.7Mpa,供料设备有仓式泵、螺旋泵及喷射泵等。

The pressure conveying type is divided into low-pressure conveying and high-pressure conveying. The working pressure of the former is generally less than 0.1MPa. The feeding equipment includes air conveying chute, pneumatic lift pump and low-pressure jet pump; The working pressure of the latter is 0.1 ~ 0.7MPa, and the feeding equipment includes bin pump, screw pump and jet pump.

好的产品成就好的服务,好的企业成就好的产品,气力输送设备厂家坚持为客户提供优质的服务,详情请继续关注我们的网站:http://www.sdyqtc.com

Good products make good services, and good enterprises make good products. Pneumatic conveying equipment manufacturers insist on providing customers with high-quality services. Please continue to pay attention to our website for details: http://www.sdyqtc.com


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