Pularin:
Foot ball shaped 60 atoms of carbon at edges is layed in pularin.Pularin atoms are arranged in ball.
Each atom is called Bucky balls and tubes are called Bucky tubes or Nano tubes.Each nano tube is 1 to 7 nm diameter i.e 1nm=50000 part of a hair sting.
where?
1)mangampet ,cuddapah dist.Ap,India.app 800 ppm(parts prer million)info given by stanford University.
Cost:
150 times costlier than gold.
10 grams pularin $23000 to $45000
also info given by Bucky-USA website.
Special uses if this becomes common:
1)Pularin coting on aeroplanes withstands from thunders ,rains ,Flashes etc.
2)Bullet proof ackets
3)curing cancer etc.
Delicious High protein content Healthy nutrition meatball production line ,fish meatball ,beef meatball ,chickent meatball ,pork meatball ,vegetable meatball , welcome cooperate!
Suitable food factory ,food shopping ,restaurant ,hotel ,university,college ,shool, big factory ,supermarketing ...
The diameter of ball according to client's to customized moulds .
Metal tin is mainly used in the manufacture of alloys.
Tin and sulfur compounds - tin sulfide, which is similar in color to gold, is commonly used as a gold pigment.
Tin's modern application is as a solder for the electronics industry. Used in various purities and alloys (often with lead or indium), tin solders have a low melting point, which makes them suitable for bonding materials.
Standard
ASTM B29-03, BS EN 12659:1999, GB/T 469 -2005 ,
Content
Pb â?¥ 99.99 %
Density
11.34 g / cm 2
Color
Bluish
Weight
35 kgs / lump, 55 kgs / lump
Dimension
21" x 4" x 2.5"
Package
Standard Sea-worthy package, fixed by belt per ton
Shape
Rectangular Lump
Application
lead-acid storage batteries
Ammunition, cable sheathing, and building construction materials
counterweights, battery clamps
cast products such as: bearings, ballast, gaskets, type metal, terne plate, and foil
Swivel type lead-bronze bushed trunnion bearings are generally furnished on large diameter ball Mills. The bearing swivels are of Meehanite metal spherically turned outside and bored and faced inside to receive the removable bushing. The bushing is bored and scraped to fit the mill trunnion. The bushing is provided with end flanges thus assuring that the trunnion flanges run against a bronze face.
On smaller mills rigid or swivel type bearings support the mill trunnions. The lower half of such bearings are lined with bronze or a special mill babbitt which is peened in place and bored to fit the trunnion.
In all cases a low bearing pressure is maintained to assure freedom from overheating, long life and minimum maintenance. They are designed to provide support to the mill proper, its media and pulp load.
Trunnion bearings are generally supplied with seals for use with a circulating oil lubrication system. They can be designed to accommodate block grease or oil with wool waste.
For special applications trunnion bushings can be furnished constructed of Micarta to allow water lubrication or oil lubrication.
In many dry grinding applications, or where heat is developed, the trunnion bearings can be furnished for water cooling. This system carries away the excess heat transmitted through bearings and protects them.
Activated alumina is a versatile material with a wide range of applications. Here are some additional details:
## Production Process
1. Bauxite mining: Activated alumina is typically produced from bauxite, a type of rock that contains aluminum hydroxide.
2. Refining: The bauxite is refined to produce alumina (Al2O3).
3. Activation: The alumina is then activated through a process of heating and treating to increase its surface area and adsorption capacity.
## Properties
1. Surface area: Activated alumina has a high surface area, typically ranging from 200-400 m2/g.
2. Pore size: The pore size of activated alumina can vary depending on the application.
3. Chemical stability: Activated alumina is chemically stable and resistant to corrosion.
4. Thermal stability: Activated alumina is thermally stable and can withstand high temperatures.
## Applications
1. Air purification: Activated alumina is used in air purification systems to remove impurities and contaminants.
2. Water treatment: Activated alumina is used in water treatment systems to remove impurities and contaminants.
3. Gas separation: Activated alumina is used in gas separation applications, including the separation of oxygen and nitrogen.
4. Catalysis: Activated alumina is used as a catalyst or catalyst support in various chemical reactions.
## Benefits
1. High efficiency: Activated alumina is highly efficient in removing impurities and contaminants.
2. Long lifespan: Activated alumina has a long lifespan and can be reused multiple times.
3. Low maintenance: Activated alumina requires low maintenance and can be easily cleaned and regenerated.
4. Cost-effective: Activated alumina is a cost-effective solution for various applications.
## Industries
1. Chemical industry: Activated alumina is used in the chemical industry for various applications, including catalysis and adsorption.
2. Petroleum industry: Activated alumina is used in the petroleum industry for various applications, including gas separation and drying.
3. Pharmaceutical industry: Activated alumina is used in the pharmaceutical industry for various applications, including purification and filtration.
4. Water treatment industry: Activated alumina is used in the water treatment industry for various applications, including adsorption and filtration.
Sodium sulfide is a chemical compound known for its multiple industrial applications, primarily in the realm of metallurgy and the production of chemicals. It is a yellow to red solid or solution that serves as a powerful reducing agent, facilitating the removal of oxygen from various metal ores during ore processing, thereby aiding in the extraction of metals like copper, lead, and zinc. Sodium sulfide also plays a role in the leather industry for hair removal during leather processing and in the textile industry for dyeing and desulfurization. Additionally, it is used in wastewater treatment as a precipitating agent for heavy metals and in the production of various organic chemicals. Its versatility as a reducing and sulfur-bearing agent makes sodium sulfide crucial in multiple industrial processes.
roll shaft bearing
Material:ZG30Mn
Weight:3-10t
Process:sand casting
Description: the main parts of coal grinding machine
Function: Roller shaft bearing is the main accessories of grinding machine, connection roller cover and the bearing seat, and easy to open the shaft bearing and maintain it after open the roller cover
