The DTH (Down-the-Hole) hammer is a critical tool in the drilling industry, particularly in applications such as mining, construction, and geothermal drilling. This technology has revolutionized how companies approach drilling projects, improving efficiency and reducing costs. In this article, we'll explore the workings of the DTH hammer, its advantages, and the manufacturers who are leading the way in this essential field.

DTH drilling refers to a method where the drilling bit is located at the end of a drill string, below the surface of the ground. This technique is distinguished by the use of high-performance percussion hammers, which are positioned on the drill bit. DTH drilling involves the use of compressed air to deliver rapid impacts, breaking rock into smaller fragments. This method is particularly effective in hard rock formations, making it a preferred choice for mining operations and various drilling applications.

Applications in Various Industries

Submarine hammer drilling, often referred to as underwater percussion drilling, is an advanced technique utilized primarily in marine construction and resource exploration. This method combines the principles of traditional drilling with hydraulic and pneumatic operations, enabling the effective penetration of hard substrates beneath the sea floor. In this article, we will explore the processes, equipment, advantages, and applications of submarine hammer drilling.

4. Renewable Energy Projects With the rise of offshore wind energy, submarine hammer drilling is increasingly used to install the foundations for wind turbines. The ability to achieve deep penetration in various seabed conditions makes this method invaluable in the renewable energy sector.

(1) When using the drilling rig to drill, the driver should be placed in the drilling position, so that the front end is against the rock, and the distribution should be careful to let the drilling rig move forward, so that the drill bit touches the rock; When opening the hole, first quietly let the drilling rig drive, when the drill rod is in place in the rock, it is allocated to the full open position.
(2) Before starting the drilling rig, check whether the charging pressure of the accumulator is normal; Check whether the scouring water pressure and the lubricating air pressure can be; Check whether there is sufficient lubricating oil in the lubricator, and whether the oil supply is appropriate; Check the reverse tendency of the oil pump motor. (3) If the drilling rig cannot open the hole smoothly, it should first assign the rock drill to retreat, and then let the rock drill move forward to open the hole from the beginning.
(4) When replacing the drill bit, the drill bit should be gently pressed against the rock, so that the motor of the drill can be reversed to complete the sensitive unloading head.
(5) The inspection of hydraulic components can only be prevented under the condition of pole cleaning, and after the connecting tissue is removed, it must be quickly plugged with the cleaning tightly matched plug. Before the repaired rock drill is used from scratch, it is necessary to circulate the hydraulic oil into the oil circuit to wash the components of the hydraulic system.
(6) The oil level and oil supply of the lubricator should be checked regularly; The gear with reverse structure is regularly filled with high-temperature grease; Check the oil level in the lubricating oil tank regularly and remove the dirt in the oil tank

2. Acier allié Pour des applications nécessitant une résistance accrue à la fatigue et à la corrosion, des barres de forage en acier allié peuvent être utilisées. Ces alliages contiennent des éléments tels que le nickel, le chrome et le molybdène, qui augmentent leur résistance et leur longévité.

4. Ergonomic Design Many fractional head hammers are designed with ergonomics in mind, offering comfortable grips and balanced weight distribution. This ergonomic focus helps reduce user fatigue during prolonged use, making such hammers a better option for professionals and hobbyists alike.