What Type of Pump for a Gold Dredge?

Gold prospecting has been around for centuries, and with the advancement in technology, various methods have been developed to extract gold from rivers and streams. One such method is using a gold dredge, which was first introduced in New Zealand in 1861. A gold dredge is essentially a large vacuum cleaner that sucks up gravel underneath the water's surface and then sifts out the gold.

For those who are new to gold prospecting, using a gold pan may be the most common method of extracting gold. However, for areas where gold is more abundant or where the terrain is too difficult to work with a gold pan, a gold dredge can be an excellent tool. Popular TV shows like 'The Curse Of Oak Island' (Discovery Channel) have also featured gold dredges, making them a familiar sight for many.

But before you start gold dredging, it's essential to understand the different types of pumps that are used in these machines. A pump is crucial for sucking up gravel and water, and the right type of pump can make all the difference between success and failure.

So, what type of pump should you use for a gold dredge? The answer depends on several factors, including the size of your dredge, the depth of the water, and the amount of debris in the water. Here are some common types of pumps used in gold dredges:

1. Submersible Pump: This type of pump is designed to be submerged underwater and can handle high-pressure applications. It's ideal for deep-water operations and can suck up gravel and water with ease.

2. Trash Pump: As its name suggests, a trash pump is designed to handle heavy debris and sediment in the water. It's perfect for areas where there are a lot of rocks or other obstructions that could clog a regular pump.

3. Diaphragm Pump: A diaphragm pump uses a flexible membrane to create suction, making it an excellent choice for applications with high levels of sand and gravel. It's also relatively quiet and energy-efficient compared to other types of pumps.

When choosing the right pump for your gold dredge, consider the following factors:

* Flow rate: How much water do you need to move to extract gold? A higher flow rate means more gold can be extracted in a shorter amount of time.

* Head pressure: What's the maximum height you need to pump water and gravel? Higher head pressures require more powerful pumps.

* Debris handling: Are there a lot of rocks, sticks, or other debris in the water that could clog your pump?

By considering these factors and choosing the right type of pump for your gold dredge, you can ensure maximum efficiency and effectiveness in extracting gold from rivers and streams. Whether you're a first-time prospector or an experienced gold miner, having the right equipment is crucial to success.

In conclusion, using a gold dredge requires careful consideration of various factors, including the right type of pump for the job. By understanding the different types of pumps available and choosing the one that best suits your needs, you can increase your chances of finding gold and making your prospecting experience more enjoyable and rewarding.

What type of pump for a gold dredge