Screw pump basic working principle of introduction
July 21 14:09:26, 2023
Screw pump according to the number of Screws can be divided into single rod pump, twin screw pump, three screw pump, five screw pump. Screw pump is also widely used in food industry, textile industry, chemical industry, construction industry and even the nuclear industry are involved. The following we will detail the structure of the screw pump screw pump basic working principle. Screw pump structure Screw pump basic working principle 1. Screw pump is the use of screw rotation to suction and discharge liquid. The figure shows a cross-sectional view of a three-screw pump. In the picture, the middle screw is the active screw which is driven by the prime mover. The screw on both sides is the driven screw, which rotates reversely with the active screw. Active screw driven screw thread are double-headed thread. Due to the mutual engagement of the screws and the close cooperation of the screw with the inner wall of the liner, one or more sealed spaces are separated between the suction and discharge of the pump. As the screw is rotated and engaged, these sealed spaces are constantly formed at the suction side of the pump, sealing the liquid in the suction chamber therein and continuously displacing in the axial direction of the screw from the suction chamber to the discharge end to be closed in the respective spaces Continued discharge of liquid, like a nut in the screw rotation is constantly moving forward, as the case, which is the basic working principle of the screw pump. 2. The basic working principle of the screw pump is that when the screw pump is working, the liquid is sucked into the sealed space enclosed by the screw thread and the pump shell. When the driving screw rotates, the screw pump sealing volume is increased under the extrusion of the screw tooth to improve the screw pump Pressure, and axial movement. Since the screw is rotating at a constant speed, the flow of liquid out is also uniform. Screw pump features: screw pump loss, good economic performance. High pressure and uniform, uniform flow, high speed, with the original direct motivation. Screw pump can transport lubricating oil, conveying fuel, conveying a variety of oils and polymers for conveying viscous liquid. Conveying High Viscosity Media: 3. Depending on the size of the pump, media of viscosities from centipoise can be delivered. Medium containing particles or fibers: The particle diameter can be 30mm (not exceeding rotor eccentricity). The fiber length can be 350mm (equivalent to the pitch of 0.4 rotor). Its content is generally up to 40% of the media pit, the medium if the solid matter is a fine powder, the maximum content of up to 60% or more can also be transported. Requires delivery pressure is stable, the inherent structure of the medium is not damaged, the selection of single screw pump ideal delivery. Screw pump has a smooth flow, long life, low noise, the transmission medium will not form a vortex, you can also transport high viscosity medium. Understand the basic working principle and advantages of screw pump, we also pay attention to the maintenance of screw pump, daily, weekly, quarterly, annual should be careful to maintain careful maintenance, to ensure its efficient work.
Brass fasteners are used for their physical and aesthetic properties. Brass is utilized due to its high thermal conductivity and corrosion resistant properties, it is suitable for use in hot and cold environments, and resistant to water corrosion, making it a staple of industries such as heating and plumbing. Brass fasteners are largely non-magnetic (like any fastener, slight magnetic properties can develop during the manufacturing process) and resistant to tarnishing.
Brass fasteners are suited for some marine environments, including brackish water and slow current sea water; brass in this environment develops a protective green coating. Brass fasteners are also commonly used with wood applications, as the golden coloring blends well with the tan wood. Brass is a softer metal and must be used with care, always drilling pilot holes and using driver bits that fit the head of the screw precisely to prevent stripping. Brass Bolts also require a pilot hole be driven before installtion.
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