Mud pump principle

Mud pump is in the drilling process, the drilling mud or water to send the irrigation fluid machinery. Mud pumps are an important part of drilling machinery. Its main function is to inject mud into the borehole along with the drill bit during the drilling process. It plays the role of cooling the drill bit, cleaning the drill tool, fixing the borehole wall, driving the drilling, and bringing the cuttings back to the ground. Commonly used in the positive circulation drilling mud pump is the surface flushing medium ─ ─ clear water slurry or polymer flushing fluid at a certain pressure through the high-pressure hose faucet and drill pipe center hole straight to send the bottom of the drill bit to achieve Cool the drill bit to remove cuttings and deliver them to the surface. Commonly used mud pump is a piston or piston-type? Powered by the pump-driven crankshaft rotation? Cross the crankshaft through the crosshead and then drive the piston or plunger in the cylinder to do? Stack large? T 谖? 牒 group 懦 龇 Mu Panic Meng Meng leak o to achieve the purpose of pressure delivery and circulating irrigation fluid.

Mud pump performance

The two main parameters for mud pump performance are displacement and pressure. Exhaust displacement of several liters per minute calculation? It is related to the diameter of the borehole and the required rate of flushing fluid from the bottom of the hole? The greater the aperture? The greater the displacement required. The rate at which the flushing fluid is required to cut off the cuttings from the drill bit. The rock dust is washed away from the bottom of the hole in time and reliably carried to the surface. Geological core drilling? Generally return to the speed of 0.4 to 1 m / min or so. The pressure of the pump depends on the depth of the borehole, the resistance of the passage through which the flushing fluid passes, the nature of the flushing fluid delivered and the like. The deeper the hole? The greater the resistance of the pipe? The higher the pressure required. As the borehole diameter changes in depth, the displacement of the pump can also be adjusted at any time. In the pump mechanism with gearbox or hydraulic motor to adjust its speed? In order to achieve the purpose of changing the displacement. In order to increase the market demand, it is imperative to improve the performance of the pump. At any one time, the drilling personnel should be informed about the operation of the pump. At the same time, Prevention of intra-hole accidents.

Mud pump classification

Single and double action mud pump type two types of single-acting mud pump piston reciprocating motion in only one cycle of suction and drainage action. And double-acting mud pump every? Ostrich Huai urn vomiting flash sauce Pan? Ao H 舭 Zhaolu tomb? Rose mother capital throwing? There are single cylinder? Three-cylinder and three-cylinder type.

Sewage pump is a single-stage single-suction vertical centrifugal pump, the main components of the volute, impeller, pump base, pump housing, support tube, motor base, motor and other components. Volute, pump base, motor base, impeller nut is cast iron, corrosion resistance is better, the processing technology is convenient. Impeller is a single string of three curved leaves, the choice of semi-enclosed impeller, and the use of malleable iron, so high strength, corrosion resistance; processing convenience, good sex, high efficiency. In order to reduce weight and reduce the amount of turning, the shaft is made of high-quality carbon steel cold-drawn Park Steel. Mud pump seat is equipped with four skeleton oil seals and bushings to prevent shaft wear and prolong the service life of the shaft. The mud pump can be vertical or inclined to use, covers an area of ​​small, volute buried in the working medium to work, easy to start, without diversion, the direction of rotation should be from the motor tail is clockwise to work. Switchboard length with a variety of specifications, so that the use of units according to their own use according to local conditions.

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