Fireclay Brick - Good Price and High Quality MgO-C Brick for Steel Ladle
- Ref Price:
-
- Loading Port:
- Dalian
- Payment Terms:
- TT or LC
- Min Order Qty:
- 23 m.t.
- Supply Capability:
- 500000 m.t./month
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Company Profile
CNBM INTERNATIONAL CORPORATION
We are a primary subsidiary of China National Building Material Group Co., Ltd.
CNBM Group is a central government-owned enterprise and a Fortune Global 500 company (Ranking 203th in 2019). It is the largest building material manufacturer and service provider in the world, with 15 publicly-listed companies and over 180,000 employees (2019).
Refractory Technology
Our plant was one of the research institutes on refractory materials in CNBM. It was set up in 2001.
Taking the advantages of combining research,process,marketing and technical service,CNBM supply not only first-class refractory materials but also supply distinctive technical services.
CNBM has been dedicated to expand grow space via resource integration and product diversification.5 subsidiaries has been set up by June,2010.
Refractory Plants
·Our annual output is 5000,000 tons per year.
·Our plant are ISO 9001:2008 certificated
·The products cover the refractory area of steel-making, cement, non-ferrous, glass, ceramic and others.
Feature of Magnesia Carbon Brick
Excellent resistance in slag abrasion
Higher temperate resistant with good refractoriness
Lower creep in high temp.
Good thermal shock resistance performance
Lower apparent prosity
not easily wet with slag
Specifications of Magnesia Carbon Brick
MgO and carbon content
Widely used throughout metallurgical industry
Physical And Chemical Indicators For Magnesia Carbon Brick
| Item | MZ-97A | MZ-97B | MZ-95A | MZ95B | MZ-93 | MZ-91 | MZ-89 | DMZ98 | DMZ97 | DMZ96 |
| Density(g/cm3)≥ | 2.96 | 2.96 | 2.94 | 2.94 | 2.94 | 850 | 900 | 3.1 | 3.1 | 3 |
| Cold Crushing Strength (Mpa)≥ | 60 | 60 | 60 | 60 | 60 | 60 | 50 | 90 | 90 | 90 |
| Reheating Linear Change (%) | 1650ºC x 2h 0~ -0.2 | 1650ºC x 2h 0~ -0.3 | 1650ºC x 2h 0~ -0.4 | 1650ºC x 2h 0~ -0.6 | - | - | - | |||
| Refractoriness Under Load(ºC)≥ | 1700 | 1700 | 1650 | 1650 | 1620 | 1560 | 1550 | 1700 | 1700 | 1700 |
| Apparent Porosity (%)≤ | 16 | 18 | 16 | 18 | 18 | 18 | 20 | 14 | 14 | 15 |
| MgO(%) | 97.0 | 96.5 | 95.0 | 94.5 | 93.0 | 91.0 | 89.0 | 97.7 | 97.1 | 96.3 |
| SiO2(%) | 1.0 | 2.0 | 2.0 | 2.0 | 3.5 | - | - | 0.58 | 0.97 | 1.20 |
| CaO(%) | - | - | 2.0 | 2.0 | 2.0 | 3.0 | 3.0 | 0.63 | 0.97 | 1.30 |
| Application | Kiln Linning in Iron and Steel, Copper, Lead, Tin and Zinc Industries | The Tap Hole of Steel Furnace; Tap Hole and Slag Line in Non-Ferrous Industry | ||||||||
Our Services
Free samples are available by freight collect;
Strict QC & Fast delivery
High quality goods, Perfect Pre-sales and after-sales service.
CNBM will update you any production process after placing order.
We have special after-sales team to solve your problem during using our products.
Any question will be get our feedback in the first time.
Packaging & Shipping
Packaging : Packed by sea-worthy wooden pallet + shrink wrapped + carton
For example, Standard size of Fireclay brick : 230X114X65mm
Shipping : 384PCS/plt X 18plts in one 20 feet container;
Proprietary Technology & Patented Products
Refractory technology
All process are conform to ISO9001 quality control systems
(1)The test of raw materials
★For all raw materials, the purchase department should give the test report to the quality supervision department.
(2)The control of production
★Each batch products should be tested
★The quality supervision department should record all test result.
(3)Test Before Production
★Before packing, the quality supervision department should test the chemical content and physical
★Only quality products can be delivery.
★The delivery department should check the package, quantity, name, code, production date, etc.
(4)Quality Traceability Analysis
★Track the products after using and get the feedback of performance.
If customer required, we will give the customer technical solutions and also improve the products.
Damage Mechanism Analysis and Improvement
★ For the maintenance project, CNBM will check the damage condition of the refractory materials in the furnace carefully.
★And then CNBM will give the damage mechanism analysis report to the customer.And CNBM also will provide products improvement solutions to extend the products' service life.
Technical Solution& Construction
★Optimization solutions of the original design to the customer.
★Consultation Service of Refractories Technology
★Technical Staff Training in Refractories Technology
★Specialized Design and Refractories Selection
FAQ
Q:Are you a trading company or manufacturer?
A:CNBM is a large-scale central governmental industrial group with its own manufacturing sector, research and development sector, trading sector and logistics sector.
Q:I have some special requirement about specifications.
A:We have a well-rounded product range, which endows us with the capability of applying many special specifications. Please feel free to contact us with yours.
Q:Do you accept OEM service?
A:Yes, we do.
Q:What is your delivery time?
A:It depends on the size/complexity of your order and our own production schedule. Usually we provide a faster delivery than the industry's average.
Q:What is the payment term?
A:Our payment terms are negotiable.
Q:Can I have my own logo on the product?
A:Sure, we can apply your own logo on the products according to your drawings.
- Q: What types of refractory bricks are divided into?
- Chimney and flue are places that high temperature gas of sulfur gathers, it should use acid material. Refractory material is divided into three major parts: acid, neutral and alkaline.
- Q: how much is the content of the high alumina of refractory brick?
- linear?change?on?reheating is small and Slag resistance is good, matte smelting, good thermal shock resistance used refractory materials should be resistant to high temperature: In front of the furnace, the temperature can reach 1800, copper blowing. The maximum temperature in the smelting furnace area is on the top, pyro-refining and electrorefining, magnesia chrome brick, magnesia chrome castable, magnesia alumina brick. The commonly used refractory materials is direct-bonded?magnesia-chrome?bricks, which has large volume density. manufacturing technique of copper smelting consists of five parts, Clay brick
- Q: What are the differences between fireclay brick and high alumina refractory brick?
- One is the high alumina, solid and hollow respectively, fused mullite as main raw material made of high-grade refractory materials, strong corrosion resistance, has the advantages of through mud treatment, good thermal shock stability. Good resistance to slag, used to build steel making furnace and glass furnace. High alumina brick is a kind of refractory material. Clay brick is also known as sintered brick, electric smelting corundum and low creep high alumina brick [1] with high grade bauxite, this kind of refractory brick's main component is AL2O3, which is suitable for large and small buildings with artificial bulk. High thermal stability. A neutral refractory material with more than 48% of alumina oxide content, clay brick has clay (including shale, molding, coal gangue and other powder) as the main raw materials, cement rotary furnace lining. The product has a small high-temperature creep, one is clay. From bauxite or other high content of aluminium oxide raw materials' forming and firing, refractoriness is above 1770 deg. High R.U.L and medium-sized hot-blast furnace is different firstly in the material, forming from drying and roasting
- Q: The renewal of refractory brick internal the lime kiln belongs to overhaul. In the absence of production, are the replacement of valve and sporadic projects also considered overhauls? Or routine maintenance!
- The replacement of fire brick is a major overhaul. If the part causes the furnace shutdown, which is also a major overhaul, so the key of overhaul is depends on what reason it is
- Q: How to adjust the temperature in the 160 meter tunnel kiln?
- Increase will reduce the amount of fuel added to the kiln, then the temperature will change.
- Q: When the coal-fired steam boiler is built, it is necessary to build a common red brick between the refractory bricks. May I ask what is the requirement for this common red brick?
- unnecessary
- Q: Are refractory bricks poisonous?
- Zirconium minerals are often associated with other minerals in the mining, because the bricks are basically burned under more than 1 thousand degree. But some of the bricks contain heavy metal elements chromium. Some of the brick contains zirconium, the vast majority are very safe, and heavy metal elements have a certain toxicity, there are many kinds of refractory bricks that the nature is very stable, and the associated minerals are generally radioactive
- Q: Development prospect of refractory bricks
- Should increase the intensity of adjusting; masonry method is improper, excessive pressure damages the refractory brick, and its ingredients. In use, to reduce the consumption of refractories clinker. Use pleonaste bricks to replace magnesia chrome bricks directly, after deliberation, the experts present agree unanimously to adopt the draft standard, meet the needs of the new situation, to promote the cement kiln refractory standardization, small thermal expansion rate, fluctuation of product quality, good thermal shock resistance of high alumina brick. Of course, in the process of testing, automation level is low, saving energy. The reasons of refractory life is not high are that the production equipment of manufacturers are out-dated; fine management level is low, some companies began to develop energy-saving products, cultivate leading enterprises. Reduce the heat consumption of clinker tons, which effectively avoid the chrome pollution in the next few years, will promote the elimination of backward production equipment. To increase cooperation efforts on industry, education and research, to promote industry to develop to large-scale and intensification the requirement of firing and fuel In order to solve the problem of short service life of refractory material, the size deviation is large, cement enterprises should take measures aiming at the process conditions and raw material of cement kiln.
- Q: The shape and size of general used refractory brick
- According to the national standard, the outline dimension of mechanism red brick is: length is 240mm, width is 115mm and thickness is 53mm. That is: 240mm * 115mm * 53mm. The shape and size of the ordinary refractory bricks are: Length is 230mm, width is 114mm and thickness is 65mm, that is: 230mm * 114mm * 65mm. The shape and size of special refractory bricks are: 345mm*328mm*97mm.
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Fireclay Brick - Good Price and High Quality MgO-C Brick for Steel Ladle
- Ref Price:
-
- Loading Port:
- Dalian
- Payment Terms:
- TT or LC
- Min Order Qty:
- 23 m.t.
- Supply Capability:
- 500000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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