DTH Hammer QL50

 

The DTH Hammer QL50 is a type of drilling tool used in the mining, construction, and exploration industries for rock drilling and borehole drilling applications. DTH hammers are a critical component of the DTH drilling technique, which involves using compressed air to drive a hammer's piston, which in turn strikes the drill bit to break and penetrate rock formations.

 

The "QL50" designation for a DTH hammer refers to a specific hammer model or size classification. Different manufacturers might have variations in their naming conventions, but generally, the "QL" prefix indicates the hammer series, and the number (in this case, "50") indicates the hammer size or diameter.

 

A larger number typically corresponds to a larger hammer size and, therefore, a larger borehole diameter that the hammer can create. The DTH Hammer QL50 would typically be used for drilling larger-diameter boreholes in harder rock formations. It's important to note that different manufacturers may have variations in their hammer size classifications, so it's always a good practice to refer to the specifications provided by the specific manufacturer for accurate details on the hammer's capabilities and recommended applications.

 

 

A DTH (Down-The-Hole) hammer is a drilling tool used in various industries, primarily in the mining, construction, and oil and gas sectors, for drilling holes in rock, soil, and other hard materials. The QL50 designation refers to a specific size and type of DTH hammer. QL50 hammers are typically used in larger drilling operations where a larger hole diameter is required or in more challenging drilling conditions. Here are some common usage scenarios for a DTH Hammer QL50:

 

Mining Exploration: QL50 DTH hammers are often used in mining exploration to create boreholes for collecting geological samples or assessing mineral deposits. They are capable of drilling through hard rock formations encountered in mining regions.

 

Quarrying and Rock Blasting: In the quarrying industry, QL50 DTH hammers are employed to drill holes for rock blasting. This is essential for extracting large blocks of stone or minerals from quarries.

 

Construction Foundation Piling: QL50 DTH hammers can be used in construction projects to create deep foundation piles. These piles provide stability and support for large structures like buildings, bridges, and towers.

 

Water Well Drilling: DTH Hammer QL50 can be utilized in water well drilling projects to create holes for water extraction. They are suitable for drilling through hard rock layers to access underground water sources.

 

Oil and Gas Exploration: In the oil and gas industry, QL50 DTH hammers can be used for drilling exploration wells to assess the presence of oil and gas reserves.

 

Geothermal Drilling: Geothermal drilling involves creating boreholes for harnessing geothermal energy. QL50 DTH hammers can be used to drill deep wells that tap into underground heat sources.

 

Civil Engineering Projects: For various civil engineering projects, such as tunnel construction or dam building, DTH Hammer QL50 can be employed to create holes for anchoring and stability.

 

Environmental Sampling: DTH Hammer QL50 are used in environmental and geotechnical projects to drill holes for soil sampling, groundwater monitoring wells, and other environmental assessment purposes.

 

Blast Hole Drilling: In open-pit mining operations, DTH Hammer QL50 can be used for blast hole drilling, which involves creating holes for explosives to break apart rock for easier extraction.

 

Infrastructure Development: DTH Hammer QL50 play a role in infrastructure development, such as drilling holes for construction of bridges, tunnels, and roads in challenging terrains.

 

It's important to note that the specific usage scenario of a DTH Hammer QL50 will depend on factors such as the geological conditions, drilling objectives, required hole diameter, and the equipment available at the drilling site. Proper training and expertise are crucial when using DTH hammers to ensure efficient and safe drilling operations.

 

 

Technical Parameters Of QL50 DTH Hammers

 

Bit Shank	QL50
Hole Range	Φ135-152mm
Connection Thread	API 2 3/8" Reg API 3 1/2" Reg
Working Pressure	10-25Bar / 1-2.5Mpa
Speed Recommend	30-60rpm
Pull Force Recommend	9.5KN
Length	1156mm
Weight	73Kg

 

Technical Parameters Of QL50 DTH Bits

Diameter		Gauge Buttons	Front Buttons				Weight(KG)	Part Number
mm	Inch		Flat Face	Convex Face	Concave Face	Face Type
140	5 1/2	Φ18*7	Φ14*3	Φ15*4	/	Convex Face	15.1	LN-QL50-140CV
140	5 1/2	Φ16*8	Φ14*8	/	/	Flat Face	15.3	LN-QL50-140FF
146	5 3/4	Φ18*8	Φ15*8	/	/	Flat Face	15.9	LN-QL50-146FF
146	5 3/4	Φ18*8	Φ15*4	/	Φ14*3	Concave Face	15.8	LN-QL50-146CC
152	6	Φ18*8	Φ15*8	/	/	Flat Face	16.4	LN-QL50-152FF
152	6	Φ18*8	Φ16*4	/	Φ14*4	Concave Face	16.2	LN-QL50-152CC