Customer concerns About YGM High Pressure Suspension Grinding Mill

YGM series high-pressure grinding mill is used for making 30-400 mesh stone powder. Because of its high cost performance, it is one of the best-selling models of CLIRIK Machinery.

We have received many customers' questions about YGM high-pressure grinding mill. Next, we will answer them one by one.



You will learn about in this article.

1. Why is this machine called YGM high-pressure grinding mill? What's the difference between it and Raymond mill?
2. What materials can YGM series high-pressure grinding mill process?
3. What are the requirements for feeding humidity of YGM high-pressure grinding mill?
4. What are the requirements for feeding size of YGM high-pressure grinding mill?
5. How fine powder can YGM high pressure grinding mill produce? What is the output?
6. Are the machines and accessories of YGM high pressure grinding mill durable?
7. Is YGM high pressure grinding mill noisy? Is it environmentally friendly enough?

1. Why is this machine called YGM high-pressure grinding mill? What's the difference between it and Raymond mill?

YGM series high-pressure grinding mill is upgraded from the traditional Raymond mill.
The Raymond mill has already existed in the world for over 100 years, and first time produced by C.V.Grueber in Berlin of Germany.
Finally, from the years passed, many countries guys try to improve this machine, and finally, it has different names, like VR mill, YGM, MTM, MTW, these kinds of series.
But CLIRIK Machinery still called this machine to be YGM, because YGM is the first name that we started to produce this machine.



High pressure refers to the high pressure spring inside the YGM mill.
The roller hanger is fastened with a high-pressure spring with a pressure of 1000-1500 kg. After starting to work, the grinding roller rotates around the main shaft and rolls against the grinding ring under the action of high-pressure spring and centrifugal force. Its rolling pressure is 1.2 times higher than that of the Raymond mill under the same power condition, so the output is greatly improved.
 

2. What materials can YGM series high-pressure grinding mill process?

YGM grinding mill is suitable for kinds of materials, whose Moh's hardness is smaller than 9, such as bauxite, manganese, iron oxide, barite, calcite, potassium feldspar, talc, marble, limestone, dolomite, fluorite these kinds of stones.


 

3. What are the requirements for feeding humidity of YGM high-pressure grinding mill?

About the feeding moisture, we suggest the feeding moisture is smaller than 6%.
Normally smaller moisture will have a bigger capacity because the moisture will affect the working electric current of the mill.
But there is no big difference for the capacity, no matter the feeding moisture is 1%,3% or more like that.
This is the advantage of YGM high-pressure grinding mill.
 

4. What are the requirements for feeding size of YGM high-pressure grinding mill?

It depends on the material: if you feed hard material, we suggest the feeding size smaller than 15mm.
5-15mm is the best feeding size after we made many experiments.
If you feed the soft material like calcium carbonate, barite these kinds of materials, then the feeding size just smaller than 20 mm will be ok.

The feeding size can't be all smaller than 1mm size. That means you can not feed the powder or all be sand to this machine.
There are wo reasons.
Firstly, if you feed too small material to this machine, the material can not be kept between roller and ring, so it can not crush or impact the material.
The second reason is the vibration of the machine will be very high and it will damage the machine,

At the same time, you can not feed the large size material, like all the material size bigger than 20mm size, we also don't suggest that.
If the material is too big, then the roller and ring of the machine, the inside grinding chamber will be easily blocked.
 

5. How fine powder can YGM high pressure grinding mill produce? What is the output?

Output size For this YGM grinding mill, it can make 33 microns to 613 microns size ( 30-400 mesh), we can adjust it between this range.
Actually, for traditional Raymond mill, it can not make 33 microns, this fine size, but for our YGM mill, we use the new turbo type classifier for this machine,so it can separate 33 microns size out, it is about 400 mesh, with over 90% passing through rate. Also, if you want to make very coarse size, like 600 microns size, then we can reduce the running speed of the classifier, and also enlarge the blower air capacity to make capacity bigger, and also the size will be coarser a lot.
 

6. Are the machines and accessories of YGM high pressure grinding mill durable?

Lifetime and spare parts Many customers also asked about the lifetime of YGM mill and spare parts.
For YGM mill, this machine normally can easily work about 10-15 years easily, but if you grind hard material very often, the lifetime will be also shorter.
As for spare parts, it is the same principle, if you grind soft material, the lifetime will be very long, but for hard material, lifetime also will be shorter.
 

7. Is YGM high pressure grinding mill noisy? Is it environmentally friendly enough?

Many customers very cared about the noise and the dust, because of local strict environmental policy.

Let's see the noise of this machine. For example, when the machine is working, we are standing nearby the machine within 1 meter, then a sound can be smaller than 90dB.
And if the distance is about 10 meters, then the sound can be controlled to smaller than 75dB.
Actually, this intensity of noise can be easily accepted by many developed countries. So it is ok for the noise.

As for the dust. Let's think about a question, where is the dust come out? 
Firstly is from the crushing parts, when you feed the stones to the crusher, there is dust out.
Then the feeding parts from the vibrating feeder to the grinding mill, it also has dust out.
Afterwards the silo inlet, also has dust.
Finally the packing parts. These four parts totally.
Actually for the grinding mill, there is no dust out. Because the whole milling system is a closed structure.
The whole production line is a close working system, it has the negative pressure and positive pressure.
The air will go inside from feeding parts to the mill, and then air go to cyclone collector, and then to the blower, and then again back to the mill.
You can see it is a cyclic system. The air will be recycling in the system.
We already know the dust only come out from that four parts.
Therefore if you want to solve the dust problem, you can choose a high configuration with good bag filter system. So that all the dust will be collected and you can keep your factory to be very clean.
Shanghai CLIRIK Machinery Company is a professional manufacturer of stone powder grinding mill, such as Raymond mill, high pressure grinding mill, ultrafine mill, vertical roller mill, coarse powder grinding mill, and so on.
If you need our grinding mill, or have other questions about the YGM high pressure grinding mill. Welcome to leave us a message.
Email: [email protected]
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