Refractory castable material inspection before construction

Construction of casting material before should strictly check the following:

    1. Casting material construction is made of steel or hard wood templates are available. The template must be of adequate strength, good rigidity, not out of shape, do not shift, no leakage of slurry. Steel template to mold release agent. Wood template to brush waterproof paint. The repeated use of the template to cleaning, painting can be used.
    2. Water, pouring material should be strictly according to the manual control, shall not exceed the limit. Under the premise of ensuring the construction performance, the amount of water should be less than.
    3. Castable refractory mixing time should not less than 5 minutes. The operation to the use of forced mixer. Mixing should first dry mix, then add 80% dosage of water mixing, and then depending on the extent of wet and dry, gently stir until the remaining water, obtaining suitable work consistency so far. Stirring casting material different should first mixer clean.
    4. Pouring material must use the whole barrel bag full of. Stirring casting material generally good must be used within 30 minutes. Drying at high temperature working environment should be appropriate to shorten this time. Already first castable coagulation even caking not poured into the mould, nor of mixing water reuse.
    5. If the project inspection unqualified should deal with qualified rear can construction. Expired materials shall not be used. Construction of castable to ensure that no power outages not interrupted construction.

Steel Flow Initiator ,Refractory Material,Refractory Product,Refractory Castable,Castable Refractories,Flow Initiator

Steel Flow Initiator 

Steel flow initiator is a kind of ladle slid nozzle filler which is successfully developed by our company in recent years, results show that ladle castables success rate of automatic start casting can reach above 95 percent. There is no metallic inclusion in ingot surface, is a kind of ideal ladle slide nozzle filler. Steel flow initiator contains metal mixture whose weight is heavier and melting point is lower than molten steel. Before pouring we put it into upper nozzle, using it to burning and causing the molten steel within the upper nozzle will not be solidified, to achieve the purpose of automatic start casting and avoid the problem of ingot inclusions. 

Electric Furnace Gunning Mix ,Gunning Mix,Mix Powder,Refractory Material,Refractory Product,Refractory Castable

Electric furnace gunning mix

Electric furnace gunning mix with magnesia based and magnesia-calcium based material, binder and sintering agent, is characterized by high bonding strength, strong corrosion resistance and non-spalling. When hot repairing temperature is higher than 1000℃, hot repairing effect is good and adhesion rate is higher than 85%.

Refractory castable flowability

        We know that there is refractoriness refractory castable, but what is its fluidity is it? This point will we do not know, because a lot of people for refractorycastable fluidity is not particularly understand, so today let technicians Changxing new secret to tell you: the flow of knowledge refractory castable degree.

We all know that is not the same refractory castable construction, but only that they have the same fluidity, but there will be different refractory castable performance problems at the same fluidity of the situation, and these are associated with castable construction method, temperature and material used so inseparable bond, so it proved castable has a certain fluidity. But how do we find the fluidity of refractory castable and its determination it? Then we need to use the fluidity of the measurement equipment, and is a 760mm diameter table of jump. The trial of a high 127mm, catchy diameter 171mm, 254mm outlet diameter truncated cones placed in the center jump table, mixing the two layers tamping castable placed the barrel, then remove the cone to a beat rate of 15 times per second, so that the desktop castable expansion amount of the expanded diameter D (mm). The formula to calculate the degree of liquidity is: F1: F1 = (D-254) / 254 * 100%. After these processes is measured out refractory castable degree of liquidity.

Comprehensive above described, the fluidity of refractory castable what knowledge you have some understanding of it, if you want to consult more knowledge about refractory castable can consult us.

How is the castable development prospect

    For some want to do industry castable but very hesitant people, who are considering how is industry castable prospects, technical staff of Xinmi Changxing today to give you an answer.

    In fact, choose industry castable shows that you are still very eyes, because the development prospect of the castable is very broad, whether can use castable in what place, so it can be said is the choice of castable is not wrong; there is the prospect of castable is good but also because of their condition outstanding, first of all the first is the castable high-temperature considerable, so whatever is great in the iron and steel factory or in the furnace of the demand, and the use of many places, development benefit will be relatively good many; and then pouring material and long service life, unlike the ordinary refractory material, we did not take long for the index has declined step by step, to bring certain influence to our production and work efficiency, problems like this we can choose castable. But like the petrochemical industry are large enterprises to use castable, the future development has brought great benefits, so in general the development prospects of castables is very good.

    The content of the development prospects of castable maybe you have some understanding of it, if you want to ask more about castable knowledge can consult us freely.

Filler for Well Block,Filter Material,Refractory Material,Refractory Products,Refractory Castable

Filler for Well Block

Filler for well block is produced with magnesia based materials and additive, is characterized by corrosion erosion resistance and easy installation etc. It has good filling effect for ladle well block. 

Matters needing attention during the construction of the castable refractory

Refractory castable is a widely used refractory products, it is there for many industries are very popular, because often used to this kind of refractory products, so today I will introduce the construction of refractory castable, should pay attention to the related matters.

The first step in the pre construction should be strictly examined, including: (1) to form a clear structure of castable refractory equipment is, and it will be clean. (2) to know have the process holes (3) construction require the use of the equipment must be in good condition, so we can ensure that the work can be carried out smoothly, (4) to know how is refractory castable packaging and delivery date, check whether the product failure. Using the second step is the construction of templates you can use steel or hard wood. But must ensure that the template has a very good rigidity, also is the strength to be good enough, so as to ensure not to use when running, will not shift, leakage. The use of wood template you must brush on a layer of waterproof paint, but steel template will be used in addition to mold agent, want to save template words, must be cleaned before use.

The final point to note is the lining refractory castable, stirring time, time can not be less than 5 minutes, can not use ordinary mixer, and to the use of forced mixer, must first dry mixed before mixing, then adding 80% solvent mixing, slowly stirring to obtain suitable work consistency. If there is something still unknown that you can contact us freely.

Prospects of refractory castable products

             Refractory castable as a very practical refractory material, it is very important in the status of the industry, at the same time, in our country also cannot lack the existence of this product, and now with the development of our country more and more quickly, need of castable refractory industry is also growing, so that the production of domestic enterprises have been constantly emerging. So from this we should be able to predict, in the future this kind of refractory products in the market is affected by many users and consumers and other industry's attention, but also bring great use for the development of our country.

            Nowadays with the rapid development of refractory castable, many new species are also in the constant increase, but this does not mean that the quality of the products is not guaranteed, but with the increase in varieties, the quality of the products also increased, many more new refractory raw materials have also been developed. My company is a very advanced technology enterprises, and many years of production experience, is worthy of the trust of the people, but also very quality assurance. If people want to have the quality and safety assurance of castable refractory products, welcome to our company for purchase.

            Now that the castable refractories market so well, so my company in the market prospects will be very broad, when people focus on the industry and the products of the enterprise, we will let consumers with special respect.

Carburant,Carburant Refractory,Yilong Refractory,Refractory Material

Carburant

• Name: Carburant
• Products Id: a69
• Advantage: Less impurity content, recovery carbon stable with obvious effects, fixed C can be more than 93%
• Delivery Time: 30-60 Days
• Products Used:

Dry Vibration Mix ,Refractory Material.,Refractory Castable,Refractory Mortar

 Dry Vibration Mix 

This product is mainly used for tundish lining, which is the 3rd generation of high-tech product following insulation board and tundish coating, and this product is characterized by convenient construction, without baking and long service life.

Steel Flow Initiator,Refractory Castable

Steel Flow Initiator

Steel flow initiator is a kind of ladle slid nozzle filler which is successfully developed by our company in recent years, results show that ladle castables success rate of automatic start casting can reach above 95 percent. There is no metallic inclusion in ingot surface, is a kind of ideal ladle slide nozzle filler.
Steel flow initiator contains metal mixture whose weight is heavier and melting point is lower than molten steel. Before pouring we put it into upper nozzle, using it to burning and causing the molten steel within the upper nozzle will not be solidified, to achieve the purpose of automatic start casting and avoid the problem of ingot inclusions.

Light-weight Insulating Castables for Heating Furnace

 Light-weight Insulating Castables for Heating Furnace

This product mainly takes multi-hole clinker, floating ball, vermiculite and perlite as principal raw materials, and it is characterized by high strength, good heat insulation property and thermal shock resistance. It can be used as the heat-insulation castable on parts like furnace wall, top and bottom of various steel rolling heating furnaces.

Notes About Fire Bricks Laying During Furnace Construction

1. Construct the furnace either by one kind of brick or by two kinds of brick, the required matching percentage of brick in theory may differ from the actual percentage affected by distortion of cylinder. So there is no need to use bricks totally as the theoretical required amount while constructing the furnace. It’s a key point to lay the big side of brick close to the cylinder when doing the construction, and the bricks should be laid straightly and there had better no gaps between each two bricks. Fill the gaps and distortion with mortar, the repair seam line should not be too hard in case of breaking of bricks.

2. Abandon the twisted bricks which are out of distortion standard, making sure that the bricks are tightly bonded and no looseness. While construct the furnace by bricklaying machine, the upper brick especially alkaline brick can not be given too much pressure, because alkaline brick’s strength at normal temperature is relatively lower. Avoid bricks broken by uneven compression, so that to avoid kiln body falling off while working.

3. While laying alkaline bricks, watering or grouting the brick upper surface is prohibited. The well up cement mortar should be cleaned before it hardens.

4. Construct the furnace strictly according to each brick matching method to avoid distortion of brick block and kiln body working out of balance, furthermore to avoid affecting working cycle.

5. During the construction, check carefully and immediately both annular flatness and axial flatness according to the datum line in every circle and section. Parallel vertical seam line with furnace axis, parallel annular seam lines with each other, and make the parallel annular seam line vertical with the furnace axis. If the furnace body distorts or the bricks are irregular, adjust the body by steel plate and the bricks by cement mortar. The steel plates should just fit with the bricks (the length and height of steel plate should be 5mm smaller than those of brick).

6. When finish semicircle construction of the furnace, firstly check the deviation of vertical seam line with datum line and annular seam line with datum line, then lay one tier or two tiers of bricks, set up the mandrel and turn the furnace by 90⁰. Construct the left half furnace on the other side, set up another mandrel while finishing one section. Turn the furnace after the mortar hardens.

Construction of Refractory Castable

During the construction of refractory castable, special attention should be paid on pin welding, asphalt brushing, stirring of castable with water, making and fixing of mould, vibration and ramming of castable, demoulding, sizes’ and measuring points’ accuracy, etc. http://www.yilongrefractory.comDo construction strictly as material manufacturer and boiler works required.

1. Installation of Pin and Claw Nails

Reinstall the pins missing for any reason and the pins in the area of heating surface composite melding junction before hydraulic pressure. Lengthen and reinstall the pins properly in coal mouth, material return mouth and upper inflection point of air duct furnace so that meets the required density of pins. Brush all the pre-buried metal parts and claw nails with asphalt paint (thickness > 1mm) or cover them with combustibles before casting.

2. Dosing and Stirring of Castable & Water

The dosing of castable and water should be done strictly as the instructions of material manufacturer. The water should be clean, such as drinking water, ph 6-8. The mixer should be clean forced action mixer, and clean it for the next time using. Pay attention on the adding order of castable and water and its stirring time, adding water freely and prolonging of stirring time are forbidden. The water and castable should be mixed evenly and stirred till smooth. Carry away the mixed casatble immediately after stirring, the castable poured out from stirring tank is disallowed to be poured into the tank and stirred again. Clean the tank after every construction for the next using, record the amount of water and castable, and the stirring time.

3. Checking Before Making Template

Check carefully whether the pin, hook nail and strutting part conform to the drawing, whether all the re-welding and is done and firm, whether the temporary metal parts have been cut off. Check whether the metal parts which should be brushed with asphalt paint meet the requirement, whether the casting place is clean, any other unrelated materials are forbidden to appear. For easy demoulding, a thin tier of partition (such as used oil) can be brushed in the mould. There can not be gaps between each two templates to avoid castable leaking out, so that also convenient for mould releasing. The refractory castable should be used up in 30 minutes after stirring, and should be casted to the required thickness in 1 time. Ram the castable till tight. For the too thick parts, cast tier by tier, while casting the upper tier, vibration bar can not touch the lower casted tier.

Refractory Mortar Products

Refractory Mortar Products

Our company can prepare light weight, clay, aluminum, mullite, corundum, carborundum-mullite refractory mortars and the product can be delivered in powder or in mortar. This series of products have powerful bond strength and appropriate bonding, etc.

Refractory Castables for Working Lining of Heating Furnaceng in heating furnace working

The castables, characterized by qualified flint clay, superfine aluminuma, fused alumina, sintered mullite, etc material and combined with micro mist, several additives. Its main character is good volume stability, good thermal shock resistance and high strength, widely used for heating furnace’s roof and wall of various types of steel rolling by casting.

 

High-temperature Bonding Agent

High-temperature Bonding Agent

Introduction

Bonding agents have been developed for economical processing of various types of insulating materials and lightweight construction systems. They are inorganic, asbestos-free and can be used for high temperatures. Structure, consistency and processing methods have been developed to suit special insulating material groups.

Advantages

They are ready-to-use, high permanent temperature resistance up to 1000 °C, quick bonding, and high adhesion strength.

Application

It is used to high temperature working to laying brick.

Special Refractory Mortar

Special Refractory Mortar

Introduction

The refractory mortar is prepared by using polyphosphates as a bonding agent and good-quality alumina clinker aggregates as a main material and adding additives such as an expansion agent and a plasticizer in a reasonable ratio, and has excellent performance.

Advantages

They have characteristics of high refractoriness, excellent plasticity, high performance.

Application

It is widely applied to laying of high-aluminum bricks of blast furnaces, hot air furnaces and other industrial kiln furnaces. It has been widely used in large- and medium-scale iron and steel enterprises.

Refining Slag,Slag Refractory,Slag

Refining Slag is a new auxiliary material of steel making  that developed by our company to meet the requirement of low-sulphur stel. I t was melted from many kinds of material by electric furnace in high temperature that makes out the calcium aluminates, which mainly includes 7Al₂O₃ and 12Cao in more than 90%, and their activity coefficient is more than 70. The product has the following features: quick melted, high activity degree, quick speed of slag making, early appearing of white slag, high degree of fluidity after being melted, large quantity of offspring of deoxidation and desulphurization in molten steel can be absorbed, refining time can be shortened, and cost of steel making can be decreased. With all the above features, the harmful impurity in molten steel can be reduced and the component in molten steel can be purified.

Method of use

1. Added with flow of steel when rapping

2. Or added when position of refining furnace is measured

3. Or added according to technology.

Refractory material,Refractory Material Products,Refractory Materials

The key to success with refractory materials is selecting the right products for each application. There is a complete line of refractory materials with over 1000 products to choose. Besides the selection, the construction is also important. Refractory construction is a specialized process. From tear-out to heat-up our highly qualified team understands all the details that make a refractory installation successful. The latest installation methods and materials are widely used and the most up to date equipment to maximize product quality, so as to increase the service life of the refractory materials.