Introduction of arc gear pump

Circular arc gear pumps rely on the work of the pump cylinder and the meshing gear formed between the volume change and movement to transport liquid or to make the pressure booster rotary pump.
Outer meshing double gear pump structure. A pair of intermeshing gears and pump cylinders separate the suction chamber from the discharge chamber. When the gear rotates, the volume between the teeth on the side of the suction chamber and the teeth on the side gradually increases, and the pressure decreases, and the liquid enters the space between the teeth under the pressure difference. As the gear turns, the liquid between the teeth is brought to the discharge chamber. At this time, the volume between the teeth on the discharge side of the tooth on the side of the cavity is gradually reduced, and the liquid is discharged. Gear pump is suitable for conveying non-solid particles, non-corrosive, large viscosity range of lubricating liquid. Pump flow to 300 m 3 / hour, the pressure up to 3 × 107 Pa. It is often used as a hydraulic pump and delivery of various types of oil. Gear pump structure is simple and compact, easy to create, easy maintenance, self-priming capacity, but the flow, pressure pulsation and noise. Gear pump must be equipped with safety valve to prevent for some reason, such as the exhaust pipe plugging the outlet pressure of the pump to exceed the allowable value damage to the pump or prime mover arc gear pump is a positive displacement pump, the two gears, the pump body And the front cover and the back cover form two closed spaces. When the gear rotates, the volume of the space on the side of the gear disengagement becomes larger to form a vacuum, the liquid is sucked in, the volume of the space on the gear meshing side becomes smaller, and the liquid Squeeze into the pipeline. The suction chamber and the discharge chamber are separated by the meshing line of two gears.
The pressure at the outlet of the circular gear pump depends entirely on the resistance of the pump.
Arc gear pump operation and maintenance (1) Before starting work check all pipe flanges, joints tightness.
(2) Disc drive coupling, no friction and collision sound.
(3) The first start of the work should be injected into the pump liquid.
(4) The entire sheet of paper should be drawn in and out of the pipeline before starting work, valve is strictly prohibited to start working.
(5) to verify the motor to turn the direction, the motor began to work.

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