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Henan Little MgO Content SiC Reduction Crucible for Customized Size Steelmaking Industries

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Henan Hongtai Kiln Refractory Co.,Ltd.

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Henan Little MgO Content SiC Reduction Crucible for Customized Size Steelmaking Industries

Place of Origin : Henan, China

Shape : Block

Material : Silicon Carbide (SiC)

SiO2 Content (%) : around 8

Al2O3 Content (%) : little

MgO Content (%) : little

CaO Content (%) : little

Refractoriness (Degree) : 1770°< Refractoriness< 2000°

CrO Content (%) : little

SiC Content (%) : 85

Model Number : SiC Crucible

Brand Name : Hongtai

Processing Service : Moulding

Product name : SiC reduction crucible

Application : sponge iron production

Color : Black

Raw material : Silicon Carbide Powder

Cold Crush Strength : Min 100Mpa

Keyword : SiC

Sample : Avaliable

Size : Customized Size

Density : Min 2.60g/cm3

Feature : Thermal Shock Resistance

Packaging Details : wooden pallets or boxes

Port : Tianjin, Qingdao or others

Supply Ability : 3000 Ton/Tons per Month

MOQ : 1000 pieces

Price : $50.00 - $300.00/pieces

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Product Description

Henan Little MgO Content SiC Reduction Crucible for Customized Size Steelmaking Industries

Low price SiC reduction crucible for sponge iron production silicon carbide reduction crucible in tunnel kiln

SiC reduction crucible is sintered at high temperature with silicon carbide as aggregate and binder added. In addition to maintaining the good performance of SiC, a dense oxide protective film can be formed after the surface is oxidized to prevent further oxidation and has good resistance to Oxidative. The SiC reduction crucible has good properties such as high temperature strength, high thermal conductivity, good thermal shock resistance and alkali corrosion resistance, and low thermal expansion rate, and has achieved excellent results in direct reduction iron kilns. In the production of sponge iron by tunnel kiln process, the reduction crucible is placed on the kiln car, and the concentrate powder, coal powder and limestone powder are respectively loaded into the reduction crucible according to a certain proportion and charging method, and then pushed into the tunnel kiln. After the tank is preheated, heated, roasted and cooled, the concentrate powder is reduced to obtain sponge iron. This process has the advantages of mature and reliable process, low investment, quick effect, low cost, high and stable product taste, simple operation, stable equipment operation and low energy consumption, and is the most used process. The life of the silicon carbide reduction crucible used to hold iron powder in sintering is an important condition for the longevity of the kiln, and the life of the silicon carbide reduction crucible determines the efficiency and benefit of production.

Specification

Products name	SiC Crucible
SiC %	≥85
Apparent porosity %	≤15
Bulk density g/cm3	≥2.6
Cold crushing strength Mpa	≥100
Thermal cunductivity w/m·k 350℃	5.2
Refractoriness Under Load 0.2Mpa	1600
Thermal stability 1100℃ water cooling times	≥50

Production

Manufacturing process of SiC reduction crucible

The production of SiC reduction crucible adopts the method of reaction sintering, using silicon carbide as aggregate, adding suitable additives, selecting reasonable particle-grade ingredients, mixing system and molding process, and drying the green body in a special kiln oxidizing atmosphere. (1350-1450℃) fired. With the aid of the ceramic phase sintered by the additive and the silica film formed by the oxidation of the contact surface of the SiC particles, the SiC particles are tightly bound together to form a dense ceramic block and obtain high strength. In order to obtain good product performance, the purity of the selected SiC raw material should be above 97%. For the SiC reduction crucible made by this method, reasonable particle-grade ingredients have a great influence on the strength of the product. The selection of square-shaped particles is not only a prerequisite for the close packing of particles, but also shows the uniformity of performance on the whole of the material. It is not easy to cause damage locally. On the contrary, it will affect the performance of the product. Impurities in the raw materials have a great influence on the performance of the product, because impurities such as iron oxide will form some solid solution phases with low melting point, which is unfavorable to the performance of the product. Therefore, in production, the amount of impurities such as iron oxide should be controlled to ensure the good performance of the product.

Application

SiC reduction crucible usage:

The SiC reduction crucible we produced are used in tunnel kilns for the production of sponge iron, and have been used by many large iron and steel enterprises with good results and are well received by customers! This product can also be used in the lower part of blast furnace body, furnace waist, furnace belly, tuyere combined bricks and tuyere sleeves, iron casting groove, iron furnace lining, coke oven furnace head, heating furnace slide rail, converter, electric furnace tapping hole, etc. , With high temperature wear resistance, slag resistance and alkali chemical corrosion, high thermal conductivity, oxidation resistance and thermal shock resistance, etc.

The direct reduced iron industry originally used clay crucibles, each crucible can only be used 3-5 times, and the pot diameter is small, the amount of product loaded is small, and the degree of automation is low. By using our company's production of SiC reduction crucibles, each crucible can be used at least more than 100 times, and the product is loaded with a large amount, which improves the output, ensures the quality, saves labor and a lot of money, and makes the majority of users feel the advantages of using SiC reduction crucibles.

Packing & Delivery

Packaging for SiC reduction crucible

1.Pallet+Paper or Steel belt +Plastic film or carton boxes+pallet (1)Wooden pallet size: Usually 0.92*0.92m(standard brick),but some time packing according to customer's needs (2)Load weight of each pallet:Usually 1-1.5 Tons according different size. max 2 Tons. (3)20 Foot Container can be loaded max 25 Tons, about 20-24 Pallets. 2.Can make the SiC reduction crucible package according to customer's requirements. Shipping for SiC reduction crucible

1.FEDEX/DHL/UPS/TNT for SiC reduction crucible samples. 2.By Sea for batch goods. 3.Customers specifying freight forwarders or negotiable shipping methods! 4.SiC reduction crucible Delivery Time: (1) Samples:3 days for common shape samples;15 days for special shape samples. (2)Batch goods: Within 7-10 days for in stock from ordering shipping space to deliver goods and within 30-45 days for special shapes.

Company Profile

Henan hongtai kiln refractory co., LTD. Is well aware that there are thousands of demands from customers, which can be summarized in four aspects: reliable quality, timely delivery, reasonable price and considerate service.The company will continue to adhere to the corporate spirit of "contributing to society and serving customers" and the business philosophy of "mutual benefit, win-win, integrity, efficiency, preciseness and responsibility".Our company is willing to develop a wide range of technical exchanges with colleges and universities and colleagues from all walks of life at home and abroad in a flexible and diversified way.

Henan hongtai kiln refractory co., LTD. Main products are high alumina brick, clay brick, silica brick, sic brick, fused zirconium corundum brick, fireproof ball lightweight insulation brick, wear-resistant pouring material, corundum pouring material, low cement high strength pouring material, impermeable material, self-flowing material, plastic material, and various types of refractory materials.The products are sold all over the country, as far as Vietnam, India, South Korea, Pakistan, kazakhstan, Malaysia and other southeast Asian countries and regions.

Henan hongtai kiln refractory co., LTD. : "quality first, reputation first, customer first: it is our aim."Scientific management,
strong technical force, perfect testing means, advanced technological equipment and stable product quality are the guarantee of quality service.Henan hongtai kiln refractories co., LTD sincerely hopes to cooperate with you hand in hand and in good faith.

FAQ

FAQ for SiC reduction crucible

Q1:Are you a manufacturer or trader? A:Factory+trade(mainly factories,meanwhile,we operates other related products) Q2:What's the MOQ of trial order? A:No limit, We can offer the best suggestions and solutions according to your needs. Q3:After an order is confirmed,when deliver? A:15-25days after deposit; if customer sized, 35days. Q4:Which payment terms can you accept? A:T/T,L/C,Western Union,Moneygram,Paypal are available Q5:How about your company's certification? A:ISO9001 and Test Report,also we could apply other necessary certification. Q6:Can you offers samples? A:Of course, samples are free but freight paid by the buyers. Q7: What is the service life of your bricks? A:Depend on brick types, using conditions and methods. Q8: Can we visit your factory? A:Of course,welcome to visit at any time. Seeing is believing. Q9:How to solve the quality problems? A:If the products have quality problems, we will be responsible to offer compensation.

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