Reasons of Graphite Crucible’s Fracture

1.Defects of design. The fracture happened in graphite crucible combining site generally. And it is transverse fracture normally.

2. Defects of processing. It is cracking from seams, then spreading. It usually split along the vertical direction.

3. Defect of raw material. This is the biggest question. Although the overall is uniformity, the same piece of graphite still exist certain differences between the inside parts. Which determines the graphite exist certain problems fundamentally.

4.Incorrect use while operating. This question mainly appear while cooling furnace. If it is too quickly while cooling, the different temperature between the outer and internal stress may cause crack beyond the scope of crucible can bear. It is easy to cause crack.

 5.Improper transportation loading and unloading. Loading and unloading mainly occurred in the process of transportation.

6. The environment of storage. The graphite crucible should be put   in ventilated and dry environment to prevent affecting with damp.

 

XRD Graphite Crucibles are customized by various drawings.

article from: http://www.xrdcarbon.com/news/165.html  

Technological Innovation 

Influential Factors On Graphite Rotor Service-Life

Major Breakthrough In Machining Graphite Crucible

Graphite Crucible is widely used in many industries like steelworks,chemical plant etc,due to the characteristics of high temperature resistance and corrosion resistance etc.Someone believes the moon will be more round abroad,but the level of production in nation equals to abroad actually,and XRD Graphite Manufacturing Co.,Ltd(professional graphite crucible manufacturer) can make it too.

Graphite Crucible is widely used in manufacturers in abroad.some are used in high temperature,and others are high corrosion resistance.quantity demanded has increased for several years.we can meet customer needs.

Graphite Crucible that is high quality and high-performance is Is every customer needs.customers can choose better manufacturer which has more advanced and better quality.not only graphite crucible but other graphite machining products XRD Graphite Manufacturing Co.,Ltd makes.we will make it better!

Article From: http://www.xrdcarbon.com/news/140.html 

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Considerations Of Graphite Crucible When Used

Graphite crucible has good thermal conductivity and high temperature resistance,when used at high temperature,it has certain strain resistance to thermal shock and quench.it also has excellent chemical stability,so it has strong corrosion resistance to acid and alkaline solution.it’s widely used in many industries.so it’s necessary to list the considerations of graphite crucible when used.

1、When Handled it should be light up light put,do not break the surface coating,avoid rolling by all means.

2、Stored in a dry environment,must not be affected with damp.

3、When Used for coke oven,it should be used crucible holder,crucible holder diameter should be slightly bigger than the bottom graphite crucible diameter,fully support the bottom of graphite crucible.

4、Shall not be tilted when inside furnace,top of the graphite curcible is not higher the furnace.between the furnace and the crucible,should be used wall brick,the wall brick is higher the crucible.the cover of the furnace should be on the furnace wall.

5、the coke briquette should be smaller than the spacing of furnace wall and the crucible,which is automatic fall,shall not be ramming.

6、The heat temperature of Graphite crucible need to up to 200℃ for 1-1.5 hours when used at the first time.then one hour up to 800℃,the baking time should not be too long.(first baked,graphite crucible should be rolled constantly,The temperature of the crucible should be slowly up inside and outside,up and down of the crucible,and shall not exceed 100 ℃,when it Stays cool,continues to heat up after water vapor discharges)

7、Furnace lining must keep in good condition,so it can focus the flame.

8、Adopt heating burner,flame should not be direct injection on the crucible,but the crucible holder.

9、Use The same crucible tongs when raised and  loaded.

10、When raised,broken material first then the metal ingot.But not too close and placed horizontally.avoid crucible cracked due to the metal expansion.

11、Better to continuous melting when graphite crucible startd to use,reduce the interval of time.

12、If Stoped in the middle time,The residual liquid should be all clear,avoid crucible cracked when used the next time.

13、In the process of smelting,The dosage of refining agent must be strictly controlled,if too much,it will reduce the life of graphite crucible accordingly.besides,Junction of ballastless must be cleared,which affects graphite crucible and triggers the broken of the upper crucible at the same time.

Article From: http://www.xrdcarbon.com/industry_news/125.html

XRD Graphite Have Graphite Crucible for Sale

XRD Graphite Manufacturing Co., Ltd is a professional graphite manufacturers, specialized in graphite machining. Now XRD Graphite has different sizes graphite crucible for sale.

You may have a question, how about the quality of the graphite crucible XRD Graphite are selling? Maybe it is the first you see the brand “XRD Graphite”, you have no idea about it. Do not worry at all, I will give you some data and information about it, so that you can make a good decision.

XRD Graphite was established in 2011 and since then has grown considerably. XRD Graphite have earned a good reputation in graphite and carbon market. It own graphite production line forisostatic graphite, high purity molded graphite, and edm graphite to ensure the stable supplies. These are raw materials to machine the graphite crucible.

There is one sentence saying that good original make good quality. The professional production of graphite raw material guaranteed the machining parts quality. Then, the graphite crucible is the one that processed with the graphite material.

Recently, XRD Graphite have graphite crucible for sale, it is good news to many industries and companies. If you are wondering about which one to choose, XRD Graphite Crucible may be a nice choice.

Article From: http://www.xrdcarbon.com/news/107.html

How to Examine Graphite Crucible

1.Please check whether the external packing is in good condition or not as soon as you receive the graphite crucible. At the same time, you must examine the crucible is good after open package.

2.Regard to the storage, do not put crucible on the floor directly. It is better to put in pallet with dry place and good ventilation.

3.Rolling on the ground is forbidden while transport, graphite crucible should be carried on conveyance.

4.Please use pedestal at the bottom of the crucible, the material of pedestal must be same as the crucible, and the bottom diameter is not less than the crucible’s.

Article From: http://www.xrdcarbon.com/industry_news/105.html