2024年1月30日星期二

How does Trommel Screen Work?

People utilize screening tools to separate different qualities of products such as soil, gravel, mulch, and sand. These machines work fantastic when they are working with dry material, even if bits, as well as pieces, are big in size. A noteworthy weak point, nonetheless, is the problem that standard screeners have with wet products such as damp dirt, damp sand, and also garden compost. These substances often tend to glob together when they are wet, which decreases the effectiveness of the equipment. Furthermore, damp material can congest the equipment and also stay with the display. This can be difficult to displace and also will set you back a great deal of time. The good news is, trommel screen sifters are readily available to make these jobs a lot easier.


Trommel Screen


How do they work?


A trommel is a screen that is curved right into a cylinder. The maker rotates the cylindrical screen in order to arrange via the product as it is fed with. During this process, the wet material tumbles around. Air is added and the dirt, compost, or sand ends up being lighter as well as drier. The rolling activity also allows maximum call time with the screen so that the fine material makes it through quickly. A trommel screen can arrange with dry compounds rapidly as well, although it is designed with a wet product specifically in mind.

 

These sifters can be found in various sizes, however, generally, they are portable enough to be relocated by vehicle. This is very useful if you require to evaluate dirt or mulch in more than one location of a homestead or if you require to move the maker to a different place totally. Because of the materials that trommel screens focus on, they are especially popular with landscaping companies as well as digging deep into specialists. When points require to get done quickly, you can not rely on your product being completely dry sufficiently for a basic testing maker. Every handyman recognizes the value of bringing the ideal tool for the work. The larger the work, the more important the device.

 

What are they utilized for?


Cities can typically discover a lot of usages for evaluating makers. Trommel devices are particularly valuable since they can deal with a range of tasks with rate. A high-quality screener pays for itself swiftly when there are several tasks available. They are a beast that can tackle a lot of jobs, but make sure not to overfill the maker. With a trommel, extra material beyond the developed ability will only slow down points. The surface area of the screen is the limiting variable, so blocking the center of the rotary with more dirt or mulch will not complete anything. These makers are top-notch high quality, so it is important to keep in mind that they need to be permitted to operate at their set pace. Even if there is a great deal of labor to be done, the trommel will cut through it at a healthy speed, so let it run its course.

 

Finally Ideas


Like with many sturdy types of equipment, it is best to buy a trommel screen directly from a manufacturer. By far, this will certainly obtain you the best price. By cutting out the intermediary, you will certainly additionally avoid all the overhead prices of a different store and any salesperson commissions. You pay the freight expenses, but you would be indirectly paying for that anyway. The only issue with dealing straight with the supplier is that you require to do a little study. The good news is, the web has actually made this concern all but vanish. Manufacturers that market directly to customers have websites that discuss the information of their products and supply informative videos and also summaries. By contrasting different screeners and businesses, you can locate the finest quality devices at the most effective possible costs. If you are fairly good at doing internet searches, the whole process will certainly take less than an hr. If you require to look as well as arrange wet products, acquiring trommel equipment straight from the supplier is the means to go.

 

Qunfeng is a Trommel Screen supplier, please feel free to contact us if you need them.

2024年1月9日星期二

Impact Crusher: All You Need to Know

 

What are the benefits of an impact crusher?


Impact crushers reduce mineral materials such as concrete, asphalt and natural rock in size to produce a valuable commodity product. A fast spinning rotor throws the material against a solid stationary impact wall. The striking and impacting causes the material to shatter into smaller pieces. The result is a very homogenous and cubical product leaving the crusher box.

  • Versatility

Good for processing reinforced concrete, asphalt, cinder blocks, sand & gravel, soft rock, and hard rock.

  • High Reduction Ratio

Ideal for producing a spec product without the need of a primary jaw crusher.

  • Superior Material Compaction

Material produced by an impact crusher is easier to grade and compact making it perfect for base and subbase.


Impact crusher


Types of Impactors


There are 2 main types impact crushers - horizontal shaft impact (HSI) crushers and vertical shaft impact (VSI) crushers.

  • Horizontal Shaft Impactor (HSI)

The horizontal shaft impactors are the most common impactor type that can be used in recycling, primary and secondary crushing applications. This type impactor will take reasonable size pieces and produce small output material.

  • Vertical Shaft Impactor (VSI)

Vertical shaft impactors are designed to process already small material even smaller and are therefore used in a tertiary crushing application (e.g. producing manufactured sand).

 

What are the main components?


The crusher box includes a rotor with hammers (also called blow bars). Depending on the rotor style you will have either 3 bars or 4 bars. Hammers are cast iron replaceable wear parts that are actually in contact with the material. They are designed to withstand the many impacts of the material. The impact wall (also called apron) has several crushing stages and is armoured by thick wear plates.

Once the hammer hits the big material entering the crusher box it is thrown against the wall and starts ricocheting between hammers, wall and other material particles. As soon as the material is small enough the fit in between the rotor and the lowest crushing stage of the impact wall it will leave the crusher box at the bottom.

 

What materials can you process?


Impact crushers is a versatile crusher that can be used to process natural rock and recycle materials alike. Many people claim that you can't process hard rock with an impact crusher. This is not entirely true because it depends on the breaking characteristics of the rock and the feed size.

  • Concrete & asphalt recycling

Reinforced concrete, demolition material, asphalt millings, washout concrete, high PSI runway concrete, brick & masonry.

  • Soft & medium hard rock

Every rock is different even if it is the same type of rock. There is soft limestone and there is hard limestone. Please consult a crushing expert to verify your application.

Slag, railroad ties, glass, ivory, and pre-stressed concrete is also possible but need closer attention. Please consult a crushing specialist.

 

What size material can you produce?


The beauty of impact crushers is their versatility in terms of input material and output size. There are many different designs out there but generally speaking impact crushers can produce material from 3" down. The smaller the input material the harder it gets to crush. The output gradation can be adjusted through various settings.

  • Rotor Speed

The higher the speed the more fines are produced.

  • Crusher Geometry

Altering the distance between the rotor and the impact wall influences gradation and overall output size.

  • Hammer Setup

Common hammer setups are 2 high 2 low or 4 high hammers.

 

Qunfeng provides high-quality impact crusher. If you are interested in our producs, please contact us now!

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