中文How to achieve online maintenance of rotor pumps
2020-12-31
When the rotary pump is running, it uses two synchronous rotors. The rotor rotates in the opposite direction under the synchronous drive of the main and secondary shafts, resulting in a change in pump volume and no gap between the rotor and the pump casing. The rotor is continuously driven, pushing the medium from the suction end to the outlet end. Due to its symmetrical design, the conveying direction is reversible, which can achieve positive suction and backwashing.
The rotor pump has a simple structure and can be repaired online without dismantling pipelines or special tools. It can be maintained online by replacing high-strength protective sleeves and simple mechanical seals, mainly reflected in the overall design of the pump cover, strong universality of accessories, and simple structural design.
Using a cam rotary pump to treat fecal wastewater has a simple maintenance method and low cost. Widely used in animal husbandry, agricultural breeding, and dairy farms, fecal wastewater is mainly composed of animal feces, particulate matter, and long flocculent matter, with a water content generally between 96% and 99%.
The rotor of a cam rotor pump is coated with rubber and mainly serves several purposes:
1. Strong self suction, no need for water diversion device: The process of treating fecal wastewater requires vertical self suction. Generally between 5-6 meters, up to 7 meters at low speeds, and no vacuum assisted water intake device is required.
2. Wear resistance and corrosion resistance: Rubber coated rotors are chemically resistant to corrosion. The cam rotor pump has a long service life and a long replacement cycle for vulnerable parts.
3. No entanglement, no blockage: The inlet and outlet of the cam rotor pump are wide and have long flocculent structures. Animal hair will not clog the inlet and outlet of the pump.
4. Easy installation and easy maintenance: When replacing the rotor and mechanical seal, there is no need to remove the pump from the pipeline. No need to separate from the motor, just open the pump cover, truly achieving complete online maintenance.
For operational safety, the cam rotor pump is also equipped with a pressure alarm device for the pump. It can ensure that the operating pressure is controlled below the set value, ensuring the safety of equipment operation.
Cam rotor pump is a positive displacement pump with the characteristics of low speed, strong suction capacity, gas-liquid solid mixed transportation, and low requirements for impurity filtration. It has a wide range of applications in crude oil extraction, storage, transportation, refining, and other fields.
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