Grinding Equipment
Your Professional Grinding Equipment Supplier!
Henan Zhongjin Machinery Co., Ltd. covers an area of 15000 square meters and has its own standardized workshop. The company integrates research and development design, manufacturing, sales, and installation services.The company's main products include: feeding and screening equipment, crushing and sand making equipment, grinding and beneficiation equipment, drying and calcination equipment, dust removal and conveying equipment, and other series of products; Complete sets of mineral processing equipment such as ball mills, magnetic separators, rotary kilns, classifiers, and dryers;
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Cement Tube MillCapacity:14t/h-38.2t/hread more
power:475kw-1400kw
Advantages:Advantages:Cement tube mill delivers large throughput with stable performance, flexible particle‑size... -
Stone Grinding MachineCapacity:1. 3t/h-330t/hread more
power:22kw-1120kw
Advantages:The center perimeter discharge Stone grinding machine can be used for wet and dry type, the product particle size is coarser, the... -
Ball GrinderCylinder speed:31.45r/min-10r/minread more
power:4kw-200kw
Advantages:More energy‑saving compared with similar products, featuring novel structure, simple operation, safe application and stable &... -
Glass Ball MillGlass ball mill is a set of mature grinding equipment developed on the basis of extracting foreign technical advantages and combining traditional ball mills. It can continuously grind all kinds of...read more
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Raymond MillFinished particle size:0.125-0.044mmread more
Central shaft speed:82-280r/min
Advantages:Compact footprint, uniform finished particle size, screening efficiency up to...
Why Choose Us
Rich Experience
Our experience across Africa, South America, and Southeast Asia demonstrates our ability to handle different materials, climates, and project conditions, giving buyers confidence in reliable delivery and performance.
Quality Control
We offer a full range of crushing, screening, and mineral processing equipment, supported by standardized production and quality control processes to ensure consistent and dependable operation.
One-stop Solution
We provide a complete solution covering design, manufacturing, delivery, installation, and commissioning. This integrated approach helps reduce coordination costs and ensures smoother project execution for buyers.

Mining grinding equipment includes grate ball mills, rod mills, and various types of grinding mills, ranging from small pilot lines to large concentrators.It can process gold, copper, iron, lead-zinc, and molybdenum ores, as well as materials such as quartz, limestone, barite, and fluorite, supporting both wet and dry grinding.
Whether it's a single mill or a complete crushing and grinding production line, Zhongjin Machinery provides equipment, drawings, and on-site commissioning.
Product Specification
We offers the following product specifications:
|
Specification |
Cylinder size(mm) |
Charging weight(t) |
Cylinder speed(r/min) |
Installed power(kw) |
Weight(t) |
|
0.5T |
φ1200*1420 |
0.5 |
31.45 |
4 |
2.5 |
|
1T |
φ1400*1800 |
1 |
27 |
11 |
3 |
|
1.5T |
φ1800*2200 |
1.5 |
23 |
30 |
4.5 |
|
2T |
φ2000*2200 |
2 |
20 |
37 |
5.9 |
|
2.5T |
φ2200*2200 |
2.5 |
20 |
45 |
6.8 |
|
3T |
φ2200*2600 |
3 |
20 |
45 |
7.6 |
|
5T |
φ2500*3000 |
5 |
16 |
55 |
12.5 |
|
8T |
φ2800*3400 |
8 |
13.8 |
75 |
17.5 |
|
10T |
φ2800*3400 |
10 |
13.8 |
75 |
21 |
|
15T |
φ3000*5000 |
15 |
13 |
90 |
23 |
|
18T |
φ3200*4500 |
18 |
13 |
90 |
25.5 |
|
20T |
φ3200*5800 |
20 |
13 |
110 |
27 |
|
30T |
φ3400*6500 |
30 |
12 |
132 |
31 |
|
40T |
φ3600*7000 |
40 |
12 |
160 |
36 |
|
50T |
φ3800*8000 |
50 |
11 |
200 |
43 |
|
60T |
φ4000*8500 |
60 |
10 |
200 |
52 |
Product advantages
Cost Efficiency
One of the primary advantages is the low installation and grinding medium costs. Ball mills do not require complex machinery or high maintenance, reducing operational expenditures. The ability to adjust parameters like ball size and milling duration allows for process optimization without significant capital investment.
Versatility in Application
Ball mills are remarkably adaptable, suitable for both batch and continuous operation. They can handle materials of varying hardness, from soft powders to hard metals, making them indispensable in fields such as mineral processing and ceramics.
Particle Size Control
Precision in controlling particle size is another notable benefit. By adjusting parameters such as milling time, rotational speed, and ball size, operators can achieve specific particle size distributions.
Enhanced Material Properties
Ball milling can induce physical and chemical changes in materials, leading to enhanced properties. The process can increase surface area, promote amorphous structures, and enable solid-state reactions at lower temperatures.
Metal Ore Beneficiation: Fine grinding of gold, copper, iron, lead-zinc and other ores to the particle size required for flotation, magnetic separation or leaching.
Non-Metallic Minerals: Grinding of quartz, feldspar, barite, limestone, gypsum and talc.
Cement & Building Materials: Raw meal and clinker grinding, slag micro-powder production.
Chemical & Metallurgy:Grinding of chemical raw materials, slag and fly ash.

Key Components
Cylinder/Shell
The grinding chamber, lined with wear-resistant liners.
Liners
Protect the shell and lift the grinding media; available in manganese steel or rubber.
Grinding Media
Steel balls or rods that crush material by impact and attrition.
Drive Unit
Motor, reducer and gear ring that rotate the shell.
Feeding & Discharging Device
Feeder, trunnion and discharge screen.
Bearings & Base Frame
Support the shell for stable operation.
Diaphragm / Partition Plate
Divides the shell into two or more chambers, so that grinding media of different sizes work in separate stages – coarse grinding first, then fine grinding.
Grate Plate
Installed at the discharge end of grate ball mills. Its slots let the ground material pass through while keeping the grinding media inside, which speeds up discharge and reduces over-grinding.
Inching / Auxiliary Drive
Turns the shell at a very low speed during maintenance or start-up, making it easier to adjust the liner position and reducing the load on the main motor when starting.
Material Compatibility
Kaolin
Kaolin is also called china clay. It is a soft white clay. It is essential for ceramics, paper coating, and refractory products. Using a ball mill machine for making Kaolin powder, it can improve kaolin’s plasticity and brightness while reducing impurities.
Dolomite
Dolomite is a carbonate mineral. It is another key material for ball mills. It is widely used in steelmaking, glass manufacturing, and soil conditioning. Ball milling enhances its reactivity and ensures uniform particle size. It is critical for metallurgical and agricultural applications.
Quartz
Quartz is a hard and abrasive silica mineral. You can use ball mill machines for processing quartz powder for glass, ceramics, and engineered stone. During the ball mill grinding process, you can control the particle shape and size. These directly influence the product strength and clarity.
Other Services
All of our machines will be fully checked by our quality control department before the shipment. We guarantee all have a one-year warranty (quick-wear parts not included).
Training details: Operation principles, system, and structure, safety and maintenance, software processing technique, etc.
However, we would like to handle it as follows once malfunction occurs:
1.We guarantee that we will give you a clear reply within 24 hours.
2.Customer service staff will assist you in analyzing the malfunction to locate the cause.
3.If the malfunction is caused by improper operation of software and other soft faults, we will help solve the problem online.
4.We will offer plenty of online support, like detailed technical and installation instructions via email, video, and telephone.
Package & Delivery
1. Package: Standard export package or Custom
2. Delivery: By air express, by sea

We are one of the most professional manufacturers and suppliers of grinding equipment in China. Please feel free to buy durable grinding equipment made in China here from our factory. Also, custom service is available.
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