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氣力輸送的管道磨損原因

文章來源: 作者:羅茨機電 發布時間:2022-04-25 瀏覽次數:327

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氣力輸送系統管道被磨損的因素有很多,主要因素如下:

There are many factors for the wear of pneumatic conveying system pipeline, and the main factors are as follows:

1、輸送速度

1. Conveying speed

介質速度是影響沖蝕磨損率的主要因素。

The medium velocity is the main factor affecting the erosion wear rate.

2、粒子形狀

2. Particle shape

粒子形狀對沖蝕磨損的影響主要體現為其對磨損機理的影響。粒子沖擊靶材時,粒子與靶材的接觸面積決定了兩者之間作用強度。尖角形粒子對塑性材料表面的沖蝕多為切削型磨損,球形粒子沖蝕所產生的磨損主要表現為塑性變形磨損。

The influence of particle shape on erosion wear is mainly reflected in its influence on wear mechanism. When the particles impact the target, the contact area between the particles and the target determines the interaction strength between them. The erosion of sharp angular particles on the surface of plastic materials is mostly cutting wear, and the wear caused by spherical particles is mainly plastic deformation wear.

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3、粒子強度

3. Particle strength

粒子強度主要是影響粒子在輸送過程中的破碎難度與破碎率,以及由此引起的二次磨損。被輸送物料的平均粒徑隨經過彎頭數量的增加而呈減小的趨勢。這種粒徑減小的趨勢越明顯,相應材料對彎頭造成的沖蝕磨損率越高,也就是說,粒子在輸送過程中越容易破碎,則其產生的沖蝕磨損率越高。

Particle strength mainly affects the crushing difficulty and crushing rate of particles in the transportation process, as well as the secondary wear caused by it. The average particle size of the conveyed material decreases with the increase of the number of elbows. The more obvious the trend of particle size reduction, the higher the erosion wear rate caused by the corresponding materials on the elbow, that is, the easier the particles are broken in the transportation process, the higher the erosion wear rate.

4、粒子粒度

4. Particle size

粒子粒度對彎頭沖蝕磨損的影響與常規沖蝕磨損影響規律類似,即對于不同氣力輸送條件下的沖蝕磨損,粒徑都存在*限值。當粒子粒徑大于*限值時,磨損量趨于穩劇。有相關研究表明,沖蝕磨損率隨粒子粒度加大而迅速加大。

The influence of particle size on the erosion wear of elbow is similar to that of conventional erosion wear, that is, for the erosion wear under different pneumatic conveying conditions, the particle size has a * limit. When the particle size is greater than the * limit, the wear amount tends to be stable. Relevant studies show that the erosion wear rate increases rapidly with the increase of particle size.

5、物料濃度

5. Material concentration

隨著粒子濃度的加大,彎頭的總質量損失降低,即單位質量粒子造成的沖蝕磨損量降低,由于懸浮濃度的加大,粒子間撞擊的幾率也加大,撞擊管壁的粒子動能降低。

With the increase of particle concentration, the total mass loss of elbow decreases, that is, the erosion wear caused by unit mass particles decreases. Due to the increase of suspension concentration, the probability of collision between particles increases and the kinetic energy of particles impacting the pipe wall decreases.

6、沖擊角

6. Impact angle

沖擊角是指入射粒子軌跡與靶材表面之間的夾角。沖擊角的不同主要影響了粒子沖擊靶材時動能的切向和法向分量,以及在沖擊過程中的**消耗。對于沖擊粒子來說,動能切向分量是產生切削,而法向分量則是影響粒子壓入靶材表面的深*,兩者共同決定著磨損量。

Impact angle refers to the angle between the trajectory of incident particles and the surface of the target. Different impact angles mainly affect the tangential and normal components of kinetic energy when particles impact the target, as well as the * * consumption in the impact process. For impact particles, the tangential component of kinetic energy is to produce cutting, while the normal component is to affect the depth * of particles pressed into the target surface, which together determine the amount of wear.

為了減少磨損對生產造成的影響,工業上采取了多種措施來降低氣力輸送管道的磨損,延長管道的使用壽命,其中降低物料在管道中輸送的速度就是一個很好的辦法,對于管道外形的優化設計和耐磨材料優選都是比較好的減磨方法。

In order to reduce the impact of wear on production, a variety of measures have been taken in industry to reduce the wear of pneumatic conveying pipeline and prolong the service life of pipeline. Among them, reducing the conveying speed of materials in the pipeline is a good way. It is a better wear reduction method for the optimal design of pipeline shape and the optimization of wear-resistant materials.

以上就是為大家介紹的有關氣力輸送設備廠家的詳細的介紹,希望對您有所幫助.如果您有什么疑問的話,歡迎聯系我們.我們將以專業的態度,為您提供服務http://www.makemoore.com

The above is a detailed introduction to the manufacturers of pneumatic conveying equipment. I hope it will be helpful to you If you have any questions, please contact us We will provide you with professional service http://www.makemoore.com


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