About Us

Henan LIMING Heavy Industry Science and Technology Co. LTD which mainly manufacture large and medium-sized crushing and grinding equipments was founded in 1987. It is a modern joint-stock corporation with research, manufacturing and sales together. The Headquarter is located in HI-TECH Industry Development Zone of Zhengzhou and covers 80000 m ². Another workshop in Shangjie Industry Park covers 67000 m ². Over the more than 30 years, our company adheres to modern scientific management system, precision manufacturing, pioneering and innovation. Now LIMING has become the leader in domestic and oversea machinery manufacturing industry.

120

million

cubic meters

Industrial chain production base

70

national patents

689sets

national patents

170

Equipment service country

Company Culture

core values of the company

Create Value

Share Value

Observe Order

Respect Value

Service philosophy

Religious, fine, tight, and harmonious

LIMING spirit

Standardization, value, serialization, and differentiation will always exceed our contract

Brand Concept

Create and promote civilization, refine and interpret brilliantly

Business philosophy

Religious, meticulous, rigorous, and harmonious work

Our Global Footprint

Case Scene

Ball Mill Liner Function Wear Parts For Industry ...

Ball Mill Liner Function. Ball mill is a major equipment in the production of power plants, cement plants, mines, chemical industry, metallurgy and other industries, the liner is one of the components of the mill, the main role is to protect the cylinder, the cylinder from the grinding body and Material direct impact and friction, help to improve the mill grinding efficiency, increase production and reduce metal consumption. As the liner

The Liner Of Ball Mill Explosive Grinding

1 Plane ball mill liner is used in the fine grinding chamber the rise height of the grinding body depends on the static friction coefficient between the ball mill liner and the tree board. 2 Binding ball mill liner is used in the first grinding chamber which can make the grinding body rise higher with the greater impacting energy.

Ball Mill Liner Design - 911 Metallurgist

05/01/2016  This is done in wet grinding mills. Since dry grinding mills get hot due to heat from grinding generally rubber liners and rubber materials cannot be used. Optimize Ball Mill Liner Replacement. Shell liners may be furnished of various materials and of several designs. In each case the material used is the best obtainable, resulting in the lowest cost per ton of ore ground. The liner contours are selected for the specific grinding application and take into consideration liner

Grinding Mill Liners - 911 Metallurgist

06/08/2015  Ball mills working as the secondary portion of a grinding circuit will utilize the lower profile liners. The reason is as lift decreases, friction increases. To function effectively they need this type of grinding action to obtain the maximum contact of their high surface area. There are two other factors that the liner design must accommodate other than the degree of lift. The TYPE of grinding media and the SIZE of the media. To do this, there have been developed different liner

Selection of Annular Groove Liner of Ball Mill - EB Castworld

11/10/2020  The liner is used as the main accessory of the ball mill. Convex groove liner is mainly used in the rough grinding chamber of ball mill. The convex wave groove liner of the ball mill has a lifting angle formed by smooth wave peaks and troughs. When the ball moves on the liner of the ball mill, it can be lifted and dragged with the revolution of the cylinder liner, and it can also roll and rotate

Study on the influence of liner parameters on the power of ...

The impact energy of grinding ball and the moving state of medium are the direct factors that affect the grinding effect of ball mill. The structure of liner is closely related to both. In order to further study the influences of impact energy and medium motion on the grinding effect of liner structure, especially stepped liner structure, the paper studies the effect that the friction angle of ...

explosive material consumption cylindrical grinding

The Liner Of Ball Mill Explosive grinding MC Machinery Grinding mill liners ball mill the liner of ball mill explosive grinding ball mill wikipedia a ball mill a type of grinder is a cylindrical device used in grinding or mixing materials like ores chemicals ceramic raw materials and mills rotate around a horizontal axis partially filled with the material to be ground plus the grinding medium

Effect of impact on the grinding media and mill liner in a ...

02/02/1987  The mill revolved at 11.2 rev min 1 and the ball volume was 7% - 8% of 251 TABLE 1 Composition of mill liner and grinding ball Composition (wt.%) C Mn Si Cr Mo P S Mill liner 0.45 0.75 0.50 2.00 0.45 - - 127 mm diameter grinding balls 0.80 0.85 0.60 0.50 0.03 0.04 25, 38 and 51 mm diameter 0.80 0.98 0.23 0.53 0.07 0.017 0.038 grinding balls the total mill volume. The life of the

Optimization of mill performance by using

different liner designs at different mill speed but with constant filling degree (30%). Indeed, as explained previously, at a mill stop, the measurement of ball charge filling degree could be undertaken and will provide the static media charge angle (βstatic = 143°). An online measurement of the similar angle (βdynamic), when the mill is running,

The Effect of the Grinding Charge Trajectory on the ...

Ball Mill Simulations of the Mill Power Effect on the Throughput Conclusions. Introduction At the moment, the conventional grinding technologies of SAG and Ball Mills are power inefficient, they use from 3-5% of the total of the energy consumed. Some researchers have indicated that the maximum grinding efficiency of grinding is limited to 3 about 20% using intra particle fracture. Introduction ...

The function of grinding ball mill liner

Ball mill is important equipment in the ore beneficiation production line. Its grinding effect mainly depends on the rotary motion of the cylinder. The ball mill lining board is used to bring the stones to the high point for downward throwing motion. It impacts the ball mill lining board to achieve the function of crushing and grinding.

Grinding Mill Liners - 911 Metallurgist

06/08/2015  There are basically two groups of Grinding Mill Liners. Ones with a HIGH PROFILE and those with a LOW PROFILE. The high profile liner is designed to give the media the higher lift. This type will be used in mills that are designed for primary grinding and as a result require the impact of the higher cascade. Ball mills working as the secondary portion of a grinding circuit will utilize the ...

The Influence of Ball Mill Liner on Grinding Effect - Xinhai

30/10/2015  The influence of ball mill liner material on grinding effect: Ball mill liner’s materials include stone, metal or alloy, wear-resistant rubber and others. When the liner is stone, the wear-resisting degree is small, and the abrasion is large. The liner needs to be change frequently and its service life is no more than eighteen months. When the ball mill liner is metal or alloy, the wear ...

MINE LINERS - Magotteaux

The two main functions of a mill liner consist in protecting the mill shell against wear and in transmitting the ... needed in coarse grinding for instance primary ball mills). 3. ATTRITION This mechanism involves size reduction between moving grinding balls. Adequate size reduction will require high relative movement between the grinding balls while main-taining the pressure within the ball ...

Study on the influence of liner parameters on the power

The impact energy of grinding ball and the moving state of medium are the direct factors that affect the grinding effect of ball mill. The structure of liner is closely related to both. In order to further study the influences of impact energy and medium motion on the grinding effect of liner structure, especially stepped liner structure, the paper studies the effect that the friction angle of ...

Effect of impact on the grinding media and mill liner in a ...

02/02/1987  The mill revolved at 11.2 rev min 1 and the ball volume was 7% - 8% of 251 TABLE 1 Composition of mill liner and grinding ball Composition (wt.%) C Mn Si Cr Mo P S Mill liner 0.45 0.75 0.50 2.00 0.45 - - 127 mm diameter grinding balls 0.80 0.85 0.60 0.50 0.03 0.04 25, 38 and 51 mm diameter 0.80 0.98 0.23 0.53 0.07 0.017 0.038 grinding balls the total mill volume. The life of the

The Selection Design and Application of Mill Liners for ...

applications as ball mill liners and grinding balls Typical microstructure of class 1 type D nickel-chromium white cast iron. Source: Perez and Stameroff (2003) > Mineral Processing > RESOURCE PROJECTS > TECHNOLOGY > INTEGR > Engineering Design > Training > Specialist ServicesATED SERVICES High Chrome/Moly Iron Liners > 600 – 700 BHN Cr iron- rod mills and ball mills >

The Effect of the Grinding Charge Trajectory on the ...

Ball Mill Simulations of the Mill Power Effect on the Throughput Conclusions. Introduction At the moment, the conventional grinding technologies of SAG and Ball Mills are power inefficient, they use from 3-5% of the total of the energy consumed. Some researchers have indicated that the maximum grinding efficiency of grinding is limited to 3 about 20% using intra particle fracture. Introduction ...

EFFECTS OF GRINDING MEDIA SHAPES ON BALL MILL

grinding. Ball size distribution inside an industrial mill was analysed in terms of shapes and sizes. Load behaviour, mill power and breakage as affected by media shapes were studied in a pilot laboratory mill. An inductive proximity probe, light emitting diode, phototransistor and video photographs were used to determine the load orientation in terms of toe and shoulder positions. A load beam ...

A novel approach to the geometallurgical modelling of

01/10/2009  The third grinding line (Line 3) consists of one 40 × 22 ft (21,000 kW) SAG mill working with two 26 × 38 ft (15,500 kW each) ball mills. The SAG mill is currently the largest of its kind in the world. The SAG mill trommel oversize product (pebbles) is sent to the pebble crushing plant, consisting of two pebble crushers in parallel. Crushed pebbles are returned to the coarse ore stockpile ...

The function of grinding ball mill liner

Ball mill is important equipment in the ore beneficiation production line. Its grinding effect mainly depends on the rotary motion of the cylinder. The ball mill lining board is used to bring the stones to the high point for downward throwing motion. It impacts the ball mill lining board to achieve the function of crushing and grinding.

The Influence of Ball Mill Liner on Grinding Effect - Xinhai

30/10/2015  The influence of ball mill liner material on grinding effect: Ball mill liner’s materials include stone, metal or alloy, wear-resistant rubber and others. When the liner is stone, the wear-resisting degree is small, and the abrasion is large. The liner needs to be change frequently and its service life is no more than eighteen months. When the ball mill liner is metal or alloy, the wear ...

MINE LINERS - Magotteaux

The two main functions of a mill liner consist in protecting the mill shell against wear and in transmitting the ... needed in coarse grinding for instance primary ball mills). 3. ATTRITION This mechanism involves size reduction between moving grinding balls. Adequate size reduction will require high relative movement between the grinding balls while main-taining the pressure within the ball ...

Study on the influence of liner parameters on the power

The impact energy of grinding ball and the moving state of medium are the direct factors that affect the grinding effect of ball mill. The structure of liner is closely related to both. In order to further study the influences of impact energy and medium motion on the grinding effect of liner structure, especially stepped liner structure, the paper studies the effect that the friction angle of ...

The Selection and Design of Mill Liners - MillTraj

The second primary function of a liner is to transfer rotary motion of the mill to the grinding media and charge. After all, it is the interface between the mill and the grinding charge. Although work on the grinding action in mills was published 100 years ago (White 1905 and Davis 1919), the first publication on the influence of liner design on the charge motion only appeared in 70 years ...

The Selection Design and Application of Mill Liners for ...

applications as ball mill liners and grinding balls Typical microstructure of class 1 type D nickel-chromium white cast iron. Source: Perez and Stameroff (2003) > Mineral Processing > RESOURCE PROJECTS > TECHNOLOGY > INTEGR > Engineering Design > Training > Specialist ServicesATED SERVICES High Chrome/Moly Iron Liners > 600 – 700 BHN Cr iron- rod mills and ball mills >

Effect of impact on the grinding media and mill liner in a ...

02/02/1987  The mill revolved at 11.2 rev min 1 and the ball volume was 7% - 8% of 251 TABLE 1 Composition of mill liner and grinding ball Composition (wt.%) C Mn Si Cr Mo P S Mill liner 0.45 0.75 0.50 2.00 0.45 - - 127 mm diameter grinding balls 0.80 0.85 0.60 0.50 0.03 0.04 25, 38 and 51 mm diameter 0.80 0.98 0.23 0.53 0.07 0.017 0.038 grinding balls the total mill volume. The life of the

The Effect of the Grinding Charge Trajectory on the ...

Ball Mill Simulations of the Mill Power Effect on the Throughput Conclusions. Introduction At the moment, the conventional grinding technologies of SAG and Ball Mills are power inefficient, they use from 3-5% of the total of the energy consumed. Some researchers have indicated that the maximum grinding efficiency of grinding is limited to 3 about 20% using intra particle fracture. Introduction ...

EFFECTS OF GRINDING MEDIA SHAPES ON BALL MILL

grinding. Ball size distribution inside an industrial mill was analysed in terms of shapes and sizes. Load behaviour, mill power and breakage as affected by media shapes were studied in a pilot laboratory mill. An inductive proximity probe, light emitting diode, phototransistor and video photographs were used to determine the load orientation in terms of toe and shoulder positions. A load beam ...

A novel approach to the geometallurgical modelling of

01/10/2009  The third grinding line (Line 3) consists of one 40 × 22 ft (21,000 kW) SAG mill working with two 26 × 38 ft (15,500 kW each) ball mills. The SAG mill is currently the largest of its kind in the world. The SAG mill trommel oversize product (pebbles) is sent to the pebble crushing plant, consisting of two pebble crushers in parallel. Crushed pebbles are returned to the coarse ore stockpile ...