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proline gold mining and prospecting equipment/gold dredges

proline gold mining and prospecting equipment/gold dredges

Many years of research and development, along with decades of invaluable dredging experience, have gone into the dredges we build today. At Proline we understand the importance of performance, as well as reliability, serviceability, weight, appearance, and cost. It was with all of those criteria in mind that we developed our line of dredges, most of which have seen many recent improvements. All of our dredges are "flare" dredges. The flare dredges are easily distinguished from the dredges that use a hopper, or "header box", in that they incorporate a large expansion chamber or "flare" which is located between the dredge's power jet and the sluice box. There are several advantages that come from this design. The flare's rapid expansion causes all dredged material to slow down and begin to spread out before reaching the sluice box for improved particle distribution. In addition, the configuration of the flare dredge allows the sluice box to sit much closer to the water, improving power and efficiency. The result of this design is greater dredge vacuum, less horse power required for operation, fewer rock jams, and improved fine gold recovery. We've always used the finest cross-link polyethylene plastic in our floatation. It has proven to be one of the toughest materials available, as it is very UV resistant and maintains its pliability much longer than some other types of plastic currently being used. All Proline pontoons have stainless steel threaded inserts cast into them which makes for easy assembly and maximum strength.

The recovery systems in our dredges are always under constant development. Although the changes are not always apparent, their results have been rewarding. Critical attention has been directed at riffle profile, riffle timing, and classifier design. Many hours of classifier testing eventually led to the design now found in all Proline flare dredges. Our highly acclaimed "wave" classifier is unique in that it creates a pulsing or "jigging" action similar to that which is found in many large mining operations. This allows the heavier values to settle out much sooner, while at the same time working the lighter material out of the sluice box, constantly enriching the concentrate. Our system not only provides impressive, consistent fine gold recovery, but is much lighter and easier to work with than the cumbersome "triple-sluice" and "multi-stage" designs offered by others. All of our dredges are equipped with "Nomad" matting for the entire length of the sluice box.

One major problem associated with all gold dredges over the years has been the far too frequent rock jams in the dredge hose, particularly at the power jet. On conventional dredge designs, the steel power jet slips inside the hose, creating a restriction and many plugs in the process. All 3" and larger Proline dredges utilize our exclusive "sure-flow" hose coupler system to essentially eliminate all surface rock jams. This system, when coupled to our unique oversized jet-flare assembly not only prevents a lot of downtime clearing the dredge hose, but will generally outlast conventional steel power jets by 400% or more. We pioneered the original non-clogging jet many years ago, and although it's been imitated many times, it's still the most efficient, simplest design on the market today. Buying a gold dredge isn't something most people do every day, so it pays to do some research before making a purchase. Feel free to contact us with any questions you may have. We'll be more than happy to discuss your options, and point out the advantages that come from choosing a Proline dredge.

The Proline 2" dredge has seen many improvements, resulting in a smaller and more portable unit, with increased power and features normally found only on larger dredges. It is powered by our Honda GXH50/HP100 pump package, which produces well over 100 gallons per minute, with twice the pressure of our previous pumps. The Honda engine is very quiet, offering nearly twice the fuel economy of the 2-cycle engines, and it eliminates the need to mix gas and oil. Our HP100 pump is manufactured with the same quality and features found on our larger pumps, such as the "flusher port," which supplies water pressure to run a flusher nozzle for cleaning crevices. The Proline was the first 2" dredge with this feature. Due to recent changes in the pump and jetting system...

This machine was a trend setter when it first came on the market and it continues to be one of our best sellers many years later. When other 2.5" dredges were floating on inner-tubes, required a suction nozzle for producing dredge vacuum, and had limited depth capabilities, the Proline 2.5" dredge sat on sturdy pontoons and used a power jet for dredge vacuum. It was also capable of driving an air compressor to support more active underwater mining. It was originally powered by our HP175 pump, but this pump has been replaced by our newer HP200, which is more powerful and easier to prime... more

Before its arrival most 3" dredges were essentially the same size as their 4"counterparts because they used the same pontoons, frame, pump, etc. This dredge was designed to be smaller and lighter than our 4" dredge, without sacrificing strength or stability. It sits on its own frame with pontoons that were matched to its size and weight. Another unique feature of this dredge is the pump. To this day, the HP300 is the only pump on the market designed specifically for 3" dredges... more

The light weight, portability and affordability of our 4" dredge makes it appealing to both the weekend prospector and the serious dredger alike. Small enough to slide into a pickup, light enough to be packed into remote areas, the 4" makes an excellent one man dredge. This model is equipped with pontoons that have increased stability over previous models, while remaining compact and lightweight. The frame remains essentially the same as previous models. It's a sturdy bolt together design which allows the dredge to be disassembled into smaller components for ease of transport. Assembly requires only a few hand tools...

Our 5" size always has been popular with dredgers who were looking for the perfect balance of portability with higher productivity. Smaller dredges simply can't process as much gravel and the larger dredges require more effort to get into those more remote areas where the richer gold deposits are. This is why the 5" dredge size is normally the smallest dredge chosen by the serious prospectors and professional dredgers.

Our 6" dredge is one of our personal favorites. It is relatively lightweight and can be transported and assembled with little more effort than that required for a 5" dredge, yet, it is capable of processing several times more material than those smaller dredges. The 6" dredge is ideally suited for use as an exploration and sampling unit for larger mining projects and is also capable of being the primary source of gold recovery in smaller operations. In our opinion, the 6" is the largest dredge that can be effectively operated by one man, however, a two-man team would allow the dredge to be used to its fullest potential...

The Proline Commercial 6" Dredge has all of the hardcore features and construction our customers need, while remaining portable and easy to use. The flotation consists of six cross-link polyethylene pontoons, cast extra thick and incorporating large threaded steel inserts for easy mounting. Our new modular frame design utilizes CNC machined steel tubing and laser cut components to allow for fast, trouble-free assembly. This dredge is equipped standard with two Honda GX270 engines and our famous HP500 water pumps, and provides excellent vacuum to moderate depths. We also offer a Deep Water model, with a variety of larger engine/pump packages, an inline booster jet, an outboard hose support, and two heavy duty PCA10 air compressors for extreme mining/sampling applications....

Years in the making, the Proline 8" Dredge has set a new standard for portability and performance. Computer analysis and rigorous field testing, backed by over forty years of experience, has resulted in one of the most efficient and user friendly designs that has ever been offered. The unique CNC machined, tig welded modular frame incorporates extensive use of laser cut components to ensure a high degree of accuracy. We include sturdy aluminum walking decks, which have been convered with a special non-slip coating. Designed for simplified shipping and transport into remote locations, assembly and adjustments can be made with just a few basic hand tools. Our winching system allows for easy sluice box slope adjustments while the dredge is in use, and we've greatly simplified the fore/aft movement of the sluice box. It rolls on four heavy duty plastic wheels, making it quick and easy to achieve proper dredge balance in the field....

mining 101: ultimate list of gold mining equipment - precious metal info

mining 101: ultimate list of gold mining equipment - precious metal info

Found in Bulgaria are some of the oldest gold artifacts known to mankind, in the Varna Necropolis, a collection of graves built between 4700 and 4200 BC. This finding, dating back nearly 7000 years, provides evidence of the first civilization to use gold mining equipment. Some archeologists claim the Sakdrisi site in southern Georgia, which dates to roughly 4000 BC, is the worlds first gold mine.

In the 19th century, gold rushes occurred around the globe and people migrated to different regions hoping to strike it rich. The Victorian Gold Rush took place in Victoria, Australia, between 1851 and the late 1860s, and the Second Boer War took place in South Africa between 1899 and 1902. In America, the famous California Gold Rush took place in 1949, and discovery of Nevada's Carlin Trend,North America's largest gold depository,took placein 1961.

Since the beginning of civilization, humans have mined around 6 billions troy ounces of gold. Today, 2.5 percent of all gold production happens in Nevada, making it one of the primary regions on earth. As of 2017, China produced the most gold per year at 429 metric tons, followed by Australia, and then Russia. However, there's still a lot of gold out there, and you can join in the gold mining industry by investing in basic gold mining equipment.

There are two basic steps to gold mining: prospecting and production. "Prospecting" refers to the actual search in a certain area for valuable minerals, and "production," also known as mining, is the physical act of removing the gold from where you found it. Since different equipment exists for prospecting and mining, this article explores, briefly, equipment used for prospecting, and then focuses, primarily, on gold mining equipment.

How do you find gold? In the gold mining industry, theres a lot of value in learning from others who have gone before you. No one ever gets all the gold out of any one location. So, try going to where gold exists in abundance. Consider this: the California Gold Rush only removed a small percentage of the gold thats out there. That's right.

There are areas in California that are still open to recreational prospecting, including the Auburn State Recreation Area and the South Yuba Recreation lands. Once you get your feet wet in an area proven to have gold, you can move on to other areas closer to home. After mastering prospecting and gold-mining techniques, you might even want to look for gold in your own back yard.

Some people say, Gold is where you find it. What this means is you have to learn what to look for. First, understand that the way water moves in rivers and streams determines where gold deposits might settle. Next, you need to learn why gold concentrates in certain areas, and then search those areas.

Once youve selected a specific waterway for mining, youll want to pick specific points to search. Since it is impractical to search the entire stream or river, there are ways to read a waterway to determine the most likely places to find gold. The following describes how to find those places.

The first thing to know is gold is heavy. Its about 19 times heavier than the same amount of water and 6 times heavier than solid material found in streams and rivers. So, anything that slows the movement of water is likely to trap gold deposits. Things that slow down moving water are:

Water on the downriver side of obstacles will move slower, and this is where heavier gold will settle. When looking at a chosen waterway, begin by searching for natural dams where gold may have collected. Another place that collects heavier objects in a waterway is inside bends, places where water naturally slows down. Heavy objects will often form a bar at these points, and the upside of a bar inside bends is a great place to look for gold.

Once gold has settled in a stream, over time, it works its way down layers of soil and settles in bedrock. A great location for gold is in the material coating bedrock under a stream. Choose a location on the inside a bend where there is an obstruction and then dig to the bedrock. Sifting the soil coating bedrock, usually, will produce gold.

Learn to delay the excitement of seeing gold for the first time and you will have more gold-filled dirt to take home with you. Once you get better at choosing locations, and especially if you find a proven location, its best to spend your time digging and removing dirt, rather than sifting and cleaning it on site. Delay celebrating and get as much dirt as possible to take home. Once you get home, sift and clean the gold youve found.

Another great place to look for gold is in tall grass growing above an inside bend. Grass acts like a sieve and the largest gold pieces end up at the roots of grass. They often call this kind of gold oat gold. The pieces might be smaller than gold found in other places, but there could be a lot.

If you want to invest a little in your endeavor, you can purchase a metal detector designed to find gold. This gold mining equipment can cut down on the time spend hunting, but a mid-level detector can cost about $600.

When considering getting involved in gold prospecting and mining, make sure you learn and follow the rules. There are certain places where prospecting is legal and others where it is not. Many prospecting clubs exist and joining one can help ensure you are following rules. For examples, most sites require that you refill any holes you have dug, and that you do not destroy local plant life. Learn the rules before you head out with your gold mining equipment.

Once youve finished prospecting and have a location where you know there is gold, you will need gold mining equipment. What you use will depend on the size of your operation. If you are working in the gold industry, you will have industrial gold mining equipment. If you are mining on your own as a hobby, youll need smaller, personal gold mining equipment. Lets look at both.

If you want to use industrial mining equipment, make sure you have the proper training. If working for a business, they should provide needed training. However, if you purchased industrial gold mining equipment for a personal claim, be certain you know what you are doing. Safety should always come first.

Miners use drills for underground mining to create access holes for descending underground, or to place explosive charges to bring material to the surface. The drill miners choose depends on how and what is being mined.

Blasting tools create an explosion to blast away chunks of material to access minerals. Blasting can also remove chunks of unwanted materials that are keeping other machines or people from getting to a seam of wanted materials. In underground and open pit mines, miners use both drilling and blasting tools, often together. They use drills to place blasting tools at the right depth and in the right place.

Earth-moving machines move around large amounts of materials. They might haul material after blasting, move other materials allowing access to seams of minerals, dig underground mines, or get down to the bedrock where minerals might exist.

Crushing equipment moves materials around an underground mine. Miners use this equipment to keep the flow of materials going at an efficient rate, and to save money. It is easier to remove crushed rocks rather than heavy chunks, so crushing equipment saves time and effort.

A sluice box is a way to sift through raw material more quickly. Essentially, its automated panning. These machines used to be large and heavy in the early days of panning, but are now lightweight and easier to use. If youre serious about mining, they are worth checking out.

A higher quality sluice box, high banker boxes have a water pump allowing more material to move through faster. These boxes recycle water so you dont have to rely on water flow in the river. They recover more gold than basic models.

If you arent going into the professional gold mining industry, but are looking for a hobby or a part-time job to bring in a little extra money, consider joining a mining club to help you once you begin your prospecting journey. The club will help you learn about personal gold mining equipment, but, for now, lets take a quick look at what you will need.

There are lots of different sizes, colors, and options in gold pans. Essentially, a 14-inch plastic pan is the best size, by far. Color does not matter, however gold shows up better in black. Black sand shows up better in blue or green. There are many new kinds of pans, but a basic pan with sharp, undercut riffles is all you need. Make sure the bottom of the pan is as wide as possible to catch more gold.

You will need a place to store the gold you find. All you need is a waterproof container you can close tightly, such as a 35mm film container. You can purchase containers on the internet, specifically made for holding gold.

The last thing to consider is investing in Gold Lab, a personal system that recovers gold from the concentrate you have refined. A good gold panner can get most of the gold from refined dirt, but a Gold Lab kit will allow you to further refine and recover 100% of your gold.

Once you have your equipment, its time to get in the river to pan for gold. This simple technique mimics what the river does naturally. You recover material, or dirt and place it in the pan, from a river location where you think there might be gold. Then, you shake it in a left-to-right motion underwater to sweep away light materials while causing heavier materials to go to the bottom of the pan.

Take the pan with the riffles on the far side and shake it, vigorously, left and right. This breaks up materials sending heavier items to the bottom. Do not slosh water out of the pan. If you need to, repeat the previous step and break up larger chunks again.

Continue shaking the pan back and forth and keep removing the top layer of lighter materials until you are down to only the heaviest materials, such as coins, BBs, old bullets, buckshot, nails, garnets, black iron rocks and black sand. You should now be able to see gold in the pan when shaking and tilting it forward slightly.

Use a magnet to remove black sand and other metal objects. Keep removing things until only gold remains. Remove the larger gold pieces and save any leftover concentrate. Let it sit for a while so you can recover any remaining pieces of gold that settle.

If you have enjoy the outdoors, and have just a little ambition, you can make a hobby out of gold prospecting and mining. All you need are basic tools that as your gold mining equipment and the willingness to do a little research. Once you decide where to go, or join a mining club to help you find locations, pack up your tools and prospect. It may take practice at panning before you find anything, but once you do, youll love the feeling of satisfaction and discovery. If you find you enjoy the hobby, invest in semi-professional gold mining equipment and see if you can up the amount you discover. Even if you only discover a few flakes, prospecting can be a great way to make new friends, learn about the gold industry, and understand a little about gold prospectors of old. Its an inexpensive hobby, so grab basic gold mining equipment and get started today.

911MPE has for target market what mining professionals consider the pilot-plant scale mining operation or artisanal mining operations with a focus around under 500TPD. Metals you can extract include: gold, silver or other of the precious group as well as the classic base metals; copper, lead, zinc, nickel, molybdenum. Much of our ultra-small scale equipment allows you to process from just a few kilo (pounds) per day and work on your passion for a small budget.

home - technica mining

home - technica mining

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brief history of mining & advancement of mining technology | general kinematics

brief history of mining & advancement of mining technology | general kinematics

Since civilization began, people have used mining techniques to access minerals in the surface of the Earth. Discoveries have shown that flint pebbles were extracted from deposits in France and Britain as far back as the New Stone Age. Ancient Egyptians mined copper as far back as 3000 BCE. In the earliest days, mining was slow-going and dangerous. However, as time progressed, society has developed safer and more accurate methods of locating and uncovering substances found in the earth.

In the beginning, miners used primitive tools for digging. Mining shafts were dug out by hand or using stone tools, making the entire process very lengthy. Eventually, the pick and hammer were replaced with fire to clear tunnels and reach greater depths at a faster rate. By piling a heap of logs near the rock face and burning them, the rock weakened and fractured.

Mining technology leaped forward again in the late Middle Ages when miners started using explosives to break up large rocks. Black powder reached the West, likely from China. Black powder was eventually replaced with dynamite in the mid 19th century. At the same time, advancements were being made in motorized mining tools, such as drills, lifts and steam-powered pumps.

The Industrial Revolution spurred improvements in explosives and mining equipment. Mechanical drills powered by pistons, then compressed air, significantly increased the capability and efficiency of mining hard rock. Improvements in other mining processes occurred too. Hand-powered loading and hauling were replaced by electric conveyors, mine cars, and vehicles. Steam-driven pumps solved the problem of water inflow. Candles and oil-wick lamps were improved by gas lamps, and eventually battery-powered lamps. Mechanization and new technology sparked dramatic improvements in mining techniques.

In todays technologically-advanced society, mining techniques are always improving. For example, using surface mining techniques, many mining operations are now able to extract over 85 percent of minerals and 98 percent of metallic ores without digging a shaft or endangering the lives of workers. Newly-developed machines used for grinding and crushing can extract minerals from the earth with less energy than ever before.

Miners still use heavy machinery, such as explosives, trucks, drills, and bulldozers, especially if they must dig deep into the earth. However, advances in technology have allowed miners to excavate with more accuracy and less harm to the surrounding environment. More efficient machinery can also be used to reduce energy consumption and improve the number of minerals or metals gleaned from the shaft.

The history of mining is rich and complicated. Mining has led to great advancements for society, but the dangers of mining have also resulted in the deaths of many workers. As technology continues to advance, however, mining techniques become even more accurate and efficient. In the future, revolutionary technologies may eliminate the need for hands-on involvement from miners entirely.

I thought that it was interesting when you said that mining for gold used to be a very lengthy and intensive process when there wasnt very advanced technology to help in the process. I have been thinking about starting my own business for gold mining but I have been worried that it will be too difficult. I would be sure to use new technological advancements in equipment so that I could be successful and efficient.

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