Media Abrasive
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 Deluxe Abrasive Blaster Media Sand Blasting Blast Hood $39.94 Time Remaining: 7d 3h 7m Buy It Now for only: $39.94 |
 Abrasive Media Blasting Blast Cabinet Gloves 1 Pair $35.94 (1 Bid) Time Remaining: 7h 32m |
 ABRASIVE SAND MEDIA BEAD BLAST BLASTER BLASTING CABINET $134.49 Time Remaining: 6d 16h 4m Buy It Now for only: $134.49 |
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 BB 200D MEDIA ABRASIVE SAND BLAST BLASTING CABINET $239.00 Time Remaining: 20d 23h 31m Buy It Now for only: $239.00 |
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 BB550BVD MEDIA ABRASIVE SAND BLAST BLASTING CABINET $1,549.00 Time Remaining: 20d 3h 19m Buy It Now for only: $1,549.00 |
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 BB500XLD SANDBLASTING MEDIA ABRASIVE SAND BLAST BLASTING CABINET AIR COMPRESSOR $3,458.00 Time Remaining: 20d 7h 17m Buy It Now for only: $3,458.00 |
 MEDIA ABRASIVE SAND BLAST BLASTING CABINET COMPRESSOR $2,599.00 Time Remaining: 20d 6h 34m Buy It Now for only: $2,599.00 |
Media Abrasive
Ceramic Lined Pipe
Background
Thousands of feet of pipeline thread coal processing plants. Keeping material flowing through those lines can be a headache; sharp, abrasive material wear pipelines until they sometimes blow. When they do, production ceases and magnetite is lost.
Coal Production
Such was the problem facing the Fording River operation of Elkford, British Columbia, owned by Fording Coal Ltd. of Calgary, Alberta. In 1992, Fording River produced 22,440 tons of clean coal per day. Clean coal productivity increased from 30.8 tons per manshift in 1991 to 34.7 tons per manshift in 1993.
Located at an elevation of 5,400 feet (ft), the Fording River mine is one of the highest surface mines in North America. It also is said to be the only mine in the world to use a dragline for major extraction of mountainous coal.
The mine produces mainly hard coking coal for export to customers world-wide. Recent sales figures show that 33.6% of total sales is standard coal, 33.9% medium-volatile, 27.1% high volatile coal and 5.4% other. More than 600 112- to 120-car trains are shipped from the preparation plant annually.
Coal Processing Plant
H.E. Kennedy, superintendent of processing, said that Fording River has the highest productivity per manshift in western Canada. "And, we are proud of our record." An integral component to maintaining productivity is the processing plant. In operation since 1973, the The Fording Coal operation has the highest productivity in western Canada. Four-circuit heavy-media plants run around the clock, producing just under 23,100 tons of clean coal daily, or between 990 and 1,210 tons per hour, depending on the blend. The recovery rate is usually 67% to 68%.
Preparation Plant Downtime
The preparation plant has a maintenance crew of approximately 40 people. In the early 1980s, the frequent downtime that occurred when replacing the pipe in the plant began to affect productivity and increase maintenance costs, Kennedy said. "When a line or an elbow blew, we had to shut the plant down, and that impacts productivity negatively." The abrasive coking coal was destroying the mild steel straight pipe and elbows at a startling rate, requiring elbow replacements every six to eight months. Mild steel straights had to be replaced annually.
Ceramic Lined Abrasion Resistant Pipe, Elbows and Fittings
To solve the problem, in 1986, Fording River began to replace existing pipe and elbows with ceramic lined abrasion-resistant pipe, elbows and fittings.To test the ceramic lined abrasion resistant pipe, Fording River installed sections in the most problematic area of the plant, according to Jim Shoemaker, processing maintenance foreman. "We put the pipe in our worst area first, in the horizontal lines on the heavy-media circuit. It worked. All of the pipe that went in at the start is still here. Using it has curtailed maintenance costs and reduced downtime. We can now plan maintenance."
Durability and Life Cycle
Kim Spence, process maintenance supervisor, said that the ceramic lined straight pipe has lasted seven years and the ceramic lined elbows have lasted five years, and they are still there. "That's quite a difference," he said. Since 1986, Fording River has installed approximately 3,400 ft of ceramic lined pipe and more than 390 fittings, as well as ceramic lined high-density alumina ceramic fittings.
As a manufacturer and supplier of abrasion resistant materials, the abrasion resistant pipes
and bends developed and manufactured by Cangzhou Boyang Pipeline Equipment Manufacture
Co.,Ltd are widely used in coal preparation plants, metal mines, coal-
fired power plants and other industries. Depending on different working conditions, our company
has developed abrasion resistant materials with different specifications. It offers solutions with
optimal wear protection and reliable slide promotion of plant components and pipes on the basis
of experience gathered over many years.
Website: http://bypipefittings.com/ Email:sales@bypipefittings.com
About the Author
Cangzhou Boyang Pipeline Equipment Manufacture Co.,Ltd Website: http://bypipefittings.com/ http://tianrunzhihai.en.alibaba.com Skype:optimalsteel1 Yahoo Messenger: myluckysteel@yahoo.cn Tel:0086-317-5690690 Fax:0086-317-6087218 MSN:mystxssteel@hotmail.com Email:sales@bypipefittings.com
What abrasive blasting media to use with polyurethane removal?
I have 400sqft car siding on my vaulted ceiling in my 4 seasons porch. My dad messed up on applying the polyurethane to the ceiling. He put it on with a roller and because of that there are tons of run marks are drips which dried so we have a dripping effect on the ceiling. Anywho, I'm going to refinish it but first I must get rid of the old polyurethane. I've used chemical stripper and doesn't seem to be doing the job without having like a belt sander. I decided that I'm going to apply the chemical stripper and instead of using sand paper to take it off I'm going to blast media to take it off. Which is the best stuff to use and where can I get it? Corn Cob? the lowest point of the ceiling is approx. 9 ft off the floor and then inclines up to around 17ft off the floor.
OMG,,, blasting inside,,,, what a mess,,,, and the noise.
OK,, ,if you are going to do this, the media used depends on the material the polyurethane is on. I think you have metal,,, but I'm not sure.
Corn cob works,,, but it's slow. It will not damage plastic as much as other types of media,,,but will take a long time.
Nut husks,,,, is probably what you want. Walnut shell is my fav.
Of course, there are several types of plastic bead media,,, and if you can control the overspray,,, and can clean up easy,,,, and have good respiratory protection,,,, the tried and true sand is the best for cutting that polyurethane,,, toot sweet.
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