5.5" Metzke Thread High Carbon Steel Reverse Circulation Hammer
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Detailed Product Description
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3"-5.5" Reverse Circulation RC Hammers Metzke Thread For Collecting Dry Sample
Product Introduce: Reverse Circulation drilling, or RC drilling, is a method of
drilling which uses dual wall drill rods that consist of an outer
drill rod with an inner tube. These hollow inner tubes allow the
drill cuttings to be transported back to the surface in a
continuous, steady flow. The hammer is used to remove rock samples which are pushed through
the machine with compressed air. When air is blown down the annulus
(ring-shaped structure) of the rod, the pressure shift creates a
reverse circulation, bringing the cuttings up the inner tube. When
the cuttings reach a deflector box at the top of the rig, the
matter is moved through a hose attached to the top of the cyclone. The drill cuttings will travel around the cyclone until they fall
through the bottom opening into a sample bag. These bags are marked
with the location and depth of the place where the sample was
collected and can be transported directly to the assay lab for
analysis. Specification:
Adavantages: 1.Reliable and uncontaminated samples 2.High drilling penetration rates 3.Versatile in tough conditions Detailed Photo:
About us: SOLLROC Reverse Circulation drilling (RC) ,from size 3’’ to 5.5’’, is a technique of drilling that uses dual wall drill rods that consist of an outer drill rod with an inner tube. By using compressed air to extract rock fragments sample,the samples travel through rods to a sample splitter at surface, avoiding all contact between the samples and the borehole wall that allows samples to be retrieved with minimal contamination,which is mainly used in deep hole exploration and mining grade control.
Delivery Way: By Air, By express or By Sea
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| Product Tags: 5.5" Reverse Circulation Hammer High Carbon Steel Reverse Circulation Hammer 5.5" Metzke Thread RC Hammer |
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