Refractory for Cement Rotary kiln

Product Details

Refractory for Cement Rotary Kiln

The environments of transition zone, burning zone and cooling zone in cement rotary kiln are severe dueto high temperature from burning clinker and erosion of K,Na,Cl,S. The upsize of rotary kiln and usage inwaste disposal make the condition of using refractories even harsher. Yotai group developed MgO-Cr2O3series, MgO- AlO Spinel series and nonchrome series bricks for cement rotary kiln, which haveachieved remarkable results. We occupy top shares in Japan refractory market, and have expandedgreatly in China market as well.

Unit MgO-Cr2O3 Brick Dirdct-bonded MgO-Cr2O3 Brick
YMGe-10 YMGe-9 YMGe-8 YDMC-12 YDMC-10 YDMC-8
Apparent Porosity % 19.0 19.0 19.0 17.5 17.5 18.0
Bulk Density g/cm3 2.96 2.96 2.95 3.02 3.00 2.98
Cold Crushing Strength MPa 40 40 40 45 45 45
Refractoriness Under Load T2 1580 1580 1580 1700 1700 1680
Thermal Shock Resistance(1100℃-water) Cycles 5 5 5 6 6 6
Chemical Composition MgO % 70 70 72 70 75 77
F.C. 10 9 8 12 10 8


MgO- Cr2O3 Brick

A kind of silicate combined basic firebrick fit for dry cement rotary kiln less than 2000t/d in capacity

Unit Dirdct-bonded MgO-Cr2O3 Brick Hercynite-Brick MgO-Al2O3-ZrO2-Brick
Apparent Porosity % 17.5 18.0 18.0 16.5 17.0
Bulk Density g/cm3 3.03 3.00 3.00 2.96 2.92
Cold Crushing Strength MPa 45 40 40 50 50
Refractoriness Under Load T2 1700 1700 1680 1700 1700
Thermal Shock Resistance(1100℃-water) Cycles 6 6 5 8 10
Chemical Composition MgO % 76 75 75 84 85
Cr2O3 10 10 10
Fe2O3 4
ZrO2 1


A kind of bas bickcs made rom purer law mtrils.shased with high pressure and sntedunder high temperature

Unit MgO-Al2O3 Spinel Brick Hercynite-Brick
Apparent Porosity % 17.0 17.0 17.0 16.5
Bulk Density g/cm3 2.92 2.92 2.93 2.95
Cold Crushing Strength MPa 5 50 50 55
Refractoriness Under Load T2 1700 1700 1700 1700
Thermal Shock Resistance(1100℃-water) Cycles 10 10 10 10
Chemical Composition MgO % 76 85 80 85
Al2O3  16 10 15 5
Fe2O3 4


For environmental conservation,non- chrome bricks including MgO- Al2O3,MgO- Al2O3 Spinel,Hercynite,MgO- ZrO2 were developed and are widly used in transition zone,cooling zone andburning zone to replace MgO- Cr:O brick

Production equipment

Automatic hydraulic refractory press is the fairly elite mechanical equipment equipped with the integr ation of mechanics, electronics, and hydaulics. Controlled by PLC, It can automatically complete feeding, suppressing, demolding, clamping and injecting in the porcess of supression, and can make adobes with high density, stable quality, precise dimensions by means of precise volumetric feeding, bi-directional pressurization and hydrostatic pressure.

Additional Information

LMM GROUP has a prudent schedule and delivery system that enables us to manage large volumes of orders smoothly and on time. Since we have excellent connections with all major shipping lines, we are able to offer our customers the fastest connections and transit times to any destination around the world.

Delivery TimeImmediate
Port Of DispatchChina
Production Capacity2000 tons
Packaging DetailsWooden pallet packing
Payment TermsL/C (Letter of Credit),T/T (Bank Transfer),D/P,Other


Product testing

Product package


The company strictly according to modern enterprise management requirements set up a perfectquality assurance system, and passed the ISO9001:2008 quality management system certification,ISO14001:2004 environmental management system certification, OHSAS18001:1999 occupationalhealth and safety management system certification.

Service Display

recommend suitable products according to the actual working conditions and needs of customers.It can also bedeveloped and designed according to needs, and customized services can be provided. During the epidemic, provide remote detection technical support

Strict quality control:
From raw materials, to the production process and befor eleaving the factory, all performance indicators arestrictly tested, and the professional QC team controls according to the process.

After-sales service:
Quality assurance and Resolution of any issues that arise


Q1. What business does your company have?
A. The company is mainly engaged in:
Various refractory materials production, research and development, kiln design, masonry construction. Provide comprehensive technical support and after-sales service for cement rotary kiln, non-ferrous metal smelting, waste disposal, glass kiln and other industries with refractory materials.

 Q2. What products do you have?
A. Company main products: MgO-C Brick、MgO Brick、MgO-Cr2O3 Brick、MgO-Al2O3-ZrO2 Brick,MgO-Al2O3 Spinel Brick, Al2O3-C Brick, Al2O3- MgO-C Brick, Fused MgO Brick, MgO Castable, High alumina castable, Slide gate plate, Nozzle, Precast-block, Ladle shroud, Monolithic Stoppers series.etc

Q3. Which countries are you cooperating with?
A. Nearly 100 customers have established cooperative relations and have been providing customers with the best quality service. LMM have been supplied to world’s top steel

Q4. How to guarantee the quality of your products?
A. We have established strict production processes and inspection standards, and we have established a professional QA and QC department to ensure that the products delivered by the factory meet the customer’s technical indicators and related regulations.

Q5. Can you provide samples?
A. We can provide you with samples and delivery services, we will charge a certain sample and shipping costs, samples and shipping fees can be reduced in bulk orders later!

Product Brochure Download

LMM GROUP Established in 2007. Our production technology comes from Japanese Yotai. As an experienced and international player in the refractories industry. We have succeeded in expanding both the breadth of its product range and the depth of its services. From raw material selection, refractory portofio & optimization, installation & services & recycle of used refractories on site to further reduce client’s Opex & Capex in refractory consumption per ton steel output, meanwhile improve product quality of client.

Our Address: magnesia city, site area is 75258 mm2
Production Capacity: 80,000 Ton/Year
Employees: 240 persons


Dalian Office:
Building 8, Yintian South Park, Yida Chuntian, Ganjingzi District, Dalian 116000, China 
Shenyang Office:
Room 12-12 A4 Building YuZhou Square, Huannan Disruct, Shenyang City China
Tel: +86 84174804

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