How Vertical Grinding Mills Work (Coal Pulverizer Example)
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- เผยแพร่เมื่อ 7 ส.ค. 2024
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Learn about vertical grinding mills and coal pulverizers! We look at all of the vertical grinding mill’s main components, how it works and some of its design features. For this video, we assume the working material of the mill is coal i.e. the mill is a coal pulverizer.
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▶️Introduction
Vertical grinding mills are commonly used in the power generation, steel and cement industries. The power generation and steel industries use vertical mills for coal pulverization. There are other coal pulverizers available, but the vertical grinding mill has found widespread application due to its simple design and high efficiency.
Vertical Grinding Mill Components
Electric Motor
Grinding Rollers
Grinding Table
Gearbox
Classifier
Rockers
How Coal Pulverizers Work
Coal enters the mill and is fed to the grinding table. The grinding table rotates which throws the coal outwards towards the outer periphery of the table. The coal is then ground between stationary grinding rollers and the grinding table.
Some pulverized coal exits over the dam ring and is conveyed upwards pneumatically by the hot gas stream which enters at the base of the mill. Oversized coal is returned to the grinding table by a rotating classifier whilst correctly sized coal continues through the classifier and exits the mill through the discharge duct.
Coal Pulverizer Purpose
A coal pulverizer is designed to classify, dry and grind coal. It is beneficial to dry, grind and classify the coal prior to it entering the furnace as this gives much more efficient ignition and combustion. Coal pulverizers are a common site at many coal fired thermal power stations.
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Want to teach/instruct with the 3D models shown in this video? Then visit:
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I realize Im quite off topic but does anybody know a good website to stream newly released tv shows online ?
@Bowie Terrance I use FlixZone. You can find it by googling :)
@Bowie Terrance I would suggest Flixzone. Just search on google for it =)
@Bowie Terrance lately I have been using FlixZone. Just search on google for it =)
This isn't a machine, this is a work of art
Incredibly educative. I have always loved your comprehensive explanation to machines. Thanks always for the quality videos.
Thank you very much!
Great quality of content. I am already binge watching your channel.
Visit courses.savree.com please! Loads more there.
Awesome video man
I just joined loesche gmbh the company which designs and erects VRM for coal and cement...i just passed my engineering (mechanical) last month and was in search for a video on mills like this....
Again thnx a lot gr8 job 👍👌
Awesome! now it's very easy to understand how this type of mill works, congratulations on the video!
Thank you very much!
Simple & Easily understandable & helpful
This inspiring software, the calm and clear way you explain it is just great.
We offer customized ultrafine grinding mills system and coated machines for caco3/dolomite/talc/gypsum/limestone/calcite/calcium oxide/ bentonite/dolomite powder
1.325mesh~3500mesh, finished powder fineness is adjustable.
2.Built-in air classifier, higher classifiying accuracy, powder narrow particle size distribution, better powder quality
3.lower energy-consumption, higher outpout(for same install capacity, 200~300Kg/hour)
4.PLC control, simple operation: 1. Low voltage components: Schneider 2. VF/Soft Start: ABB 3. PLC Controller: SIMENS
5.No Dust when producing
Samuel
Web:www.lymill.com/show_19.htmlm
MP/Wechat/Whatsapp: +86 15105956429
Email:Samuel@lymill.com
very informative video for application understanding of Coal Pulverizer. thank you.
Thank you! I really understand the VRM now!
We offer customized ultrafine grinding mills system and coated machines for caco3/dolomite/talc/gypsum/limestone/calcite/calcium oxide/ bentonite/dolomite powder
1.325mesh~3500mesh, finished powder fineness is adjustable.
2.Built-in air classifier, higher classifiying accuracy, powder narrow particle size distribution, better powder quality
3.lower energy-consumption, higher outpout(for same install capacity, 200~300Kg/hour)
4.PLC control, simple operation: 1. Low voltage components: Schneider 2. VF/Soft Start: ABB 3. PLC Controller: SIMENS
5.No Dust when producing
Samuel
Web:www.lymill.com/show_19.htmlm
MP/Wechat/Whatsapp: +86 15105956429
Email:Samuel@lymill.com
Another excellent explanation!
Amazing 3D model and clear explanation. Suggestion: make a video on air-dampers used in Coilover shocks
We offer customized ultrafine grinding mills system and coated machines for caco3/dolomite/talc/gypsum/limestone/calcite/calcium oxide/ bentonite/dolomite powder
1.325mesh~3500mesh, finished powder fineness is adjustable.
2.Built-in air classifier, higher classifiying accuracy, powder narrow particle size distribution, better powder quality
3.lower energy-consumption, higher outpout(for same install capacity, 200~300Kg/hour)
4.PLC control, simple operation: 1. Low voltage components: Schneider 2. VF/Soft Start: ABB 3. PLC Controller: SIMENS
5.No Dust when producing
Samuel
Web:www.lymill.com/show_19.htmlm
MP/Wechat/Whatsapp: +86 15105956429
Email:Samuel@lymill.com
Good Demonstration
It's a great work..👍👍👌👌
very useful.. thanks
Thank you!
saVRee 3D hi, I run one of these, however we grind gypsum, we are experiencing an issue whereby the mill is rejecting a lot of material out the bottom, can you have explain why this scenario might be occurring? Many thanks
Thank you, we need more information about vertical grinding mills to use in a thermal plant with 3 units 12 coal pulverized mills Raimond a
and babcok do you have spare parts .
Hi sir
Very helpful your channel plz make some videos on Dolo lime kiln or limestone kiln and Roller mills of quick lime... Thank.
very good
good job
We offer customized ultrafine grinding mills system and coated machines for caco3/dolomite/talc/gypsum/limestone/calcite/calcium oxide/ bentonite/dolomite powder
1.325mesh~3500mesh, finished powder fineness is adjustable.
2.Built-in air classifier, higher classifiying accuracy, powder narrow particle size distribution, better powder quality
3.lower energy-consumption, higher outpout(for same install capacity, 200~300Kg/hour)
4.PLC control, simple operation: 1. Low voltage components: Schneider 2. VF/Soft Start: ABB 3. PLC Controller: SIMENS
5.No Dust when producing
Samuel
Web:www.lymill.com/show_19.htmlm
MP/Wechat/Whatsapp: +86 15105956429
Email:Samuel@lymill.com
Very helpful video sir. Could you please tell can we grind clinker and flyash together in coal Pulverizer mill and make cement using the same mill as well ?
We offer customized ultrafine grinding mills system and coated machines for caco3/dolomite/talc/gypsum/limestone/calcite/calcium oxide/ bentonite/dolomite powder
1.325mesh~3500mesh, finished powder fineness is adjustable.
2.Built-in air classifier, higher classifiying accuracy, powder narrow particle size distribution, better powder quality
3.lower energy-consumption, higher outpout(for same install capacity, 200~300Kg/hour)
4.PLC control, simple operation: 1. Low voltage components: Schneider 2. VF/Soft Start: ABB 3. PLC Controller: SIMENS
5.No Dust when producing
Samuel
Web:www.lymill.com/show_19.htmlm
MP/Wechat/Whatsapp: +86 15105956429
Email:Samuel@lymill.com
Good understanding video, Gaztron engineering Pvt Ltd from INDIA is designing and Manufacturing of Nitrogen Inertization system for Coal Mill
Hello friend. China producer Get【Price & parameter of 2-120tph Raymond Mill 】Click:www.china-sand-maker.com/machine/p54.html?yt
This stuff scratches a really unique itch for me. I'm a chemical engineer and in my free time I like to code on hobby projects (Python etc) and play city/factory building games. The satisfaction of seeing 'inside' some big machine and realising the ingenuity that went into its design is probably one of the things I enjoy most. The crushing table/upwards draft design with the classifier on top seems so much more elegant than our refinery's hammer mills and separate classifiers, but I'm no expert!
Can we restart the Mill immediately after stop/trip.
Can you make a video on clinker kiln and preheater?
We offer customized ultrafine grinding mills system and coated machines for caco3/dolomite/talc/gypsum/limestone/calcite/calcium oxide/ bentonite/dolomite/kaolin/clay powder
1.325mesh~4000mesh, finished powder fineness is adjustable.
2.Built-in air classifier, higher classifiying accuracy, powder narrow particle size distribution, better powder quality
3.lower energy-consumption, higher outpout(for same install capacity, 200~300Kg/hour)
4.PLC control, simple operation: 1. Low voltage components: Schneider 2. VF/Soft Start: ABB 3. PLC Controller: SIMENS
5.No Dust when producing
Samuel
Web:www.lymill.com/show_19.htmlm
MP/Wechat/Whatsapp: +86 15105956429
Email: Samuel@lymill.com
We offer customized ultrafine grinding mills system and coated machines for caco3/dolomite/talc/gypsum/limestone/calcite/calcium oxide/ bentonite/dolomite powder
1.325mesh~3500mesh, finished powder fineness is adjustable.
2.Built-in air classifier, higher classifiying accuracy, powder narrow particle size distribution, better powder quality
3.lower energy-consumption, higher outpout(for same install capacity, 200~300Kg/hour)
4.PLC control, simple operation: 1. Low voltage components: Schneider 2. VF/Soft Start: ABB 3. PLC Controller: SIMENS
5.No Dust when producing
Samuel
Web:www.lymill.com/show_19.htmlm
MP/Wechat/Whatsapp: +86 15105956429
Email:Samuel@lymill.com
Ce serait extraodinaire d'avoir cette video en Français
Please, can I have a video in French?
i want design of this and 5 roller vertical mill mtw175
What is the RPM of a classifier
Why the peculiar shape? Also, why not harvest the heat?
Vertical Mill & Table Mill is a same thing?
Hello friend. China producer Get【Price & parameter of 2-120tph Raymond Mill 】Click:www.china-sand-maker.com/machine/p54.html?yt
We offer customized ultrafine grinding mills system and coated machines for caco3/dolomite/talc/gypsum/limestone/calcite/calcium oxide/ bentonite/dolomite powder
1.325mesh~3500mesh, finished powder fineness is adjustable.
2.Built-in air classifier, higher classifiying accuracy, powder narrow particle size distribution, better powder quality
3.lower energy-consumption, higher outpout(for same install capacity, 200~300Kg/hour)
4.PLC control, simple operation: 1. Low voltage components: Schneider 2. VF/Soft Start: ABB 3. PLC Controller: SIMENS
5.No Dust when producing
Samuel
Web:www.lymill.com/show_19.htmlm
MP/Wechat/Whatsapp: +86 15105956429
Email:Samuel@lymill.com
Any office in Dhaka Bangladesh
We offer customized ultrafine grinding mills system and coated machines for caco3/dolomite/talc/gypsum/limestone/calcite/calcium oxide/ bentonite/dolomite powder
1.325mesh~3500mesh, finished powder fineness is adjustable.
2.Built-in air classifier, higher classifiying accuracy, powder narrow particle size distribution, better powder quality
3.lower energy-consumption, higher outpout(for same install capacity, 200~300Kg/hour)
4.PLC control, simple operation: 1. Low voltage components: Schneider 2. VF/Soft Start: ABB 3. PLC Controller: SIMENS
5.No Dust when producing
Samuel
Web:www.lymill.com/show_19.htmlm
MP/Wechat/Whatsapp: +86 15105956429
Email:Samuel@lymill.com
👍🙏👍💪