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Papua New Guinea WQ submersible sewage pump
Category:
Papua New GuineaSewage pump
Product Description
Product parameters
Model: SWQ/SWBQ
The SWQ and SWBQ series submersible sewage pumps have significant energy-saving effects, anti entanglement, no blockage, automatic installation, and automatic control, and have unique effects on discharging solid particles and long fiber waste. It can be installed in small and simple pump stations, concealed underground without causing any obstruction, and can quickly and conveniently sink into the liquid along the guide rod. It is flexible to use and easy to install and disassemble. It can automatically control the water level according to user requirements and is equipped with automatic protection devices and electrical control cabinets. Transport medium (60 ℃)
New type of automatic protection device for submersible sewage pump
1. Overheating protection components to prevent damage from high temperatures
2. Leakage probe, monitor whether there is water in the pump chamber
3. Float switch, monitor mechanical seal failure and water ingress in motor chamber
4. Bearing temperature protection, monitoring whether the motor bearing temperature is too high
Application
1. Buildings, ditches, embankments, tunnels, and land drainage.
2. Extraction and discharge of raw water, mixed water, natural sewage, and mud water.
3. Treatment and extraction of wastewater sediment recycling fluids and garbage.
4. Pumping, irrigation and drainage, surface treatment, water source protection, and water level control in open-pit mining.
Working conditions
| Entrance and exit caliber | 40-500mm (flange size in accordance with GB/1724.16-2022) |
| Flow range | 8-8000m3/h |
| Head range | 5-62m |
| Rotational speed | 720,990，1480和2960r/min |
| Power | 0.55KW-200KW |
| Temperature range | The maximum temperature of the liquid is less than 60 ℃, and the ambient temperature is generally 45 ℃ |
| Maximum working pressure | (Import pressure+pumping pressure): 1.0MPa (G) (Hsp75m) or 6MPa (G) (Hsp>75m). Special configurations can reach 1.6MPa (G) or 2.5MPa (G), respectively |
| Material | Cast iron, stainless steel SS304, SS316 |
| Medium | Wastewater, sewage, and rainwater containing solid particles and long fibers |
| Structure Design | Single stage single suction centrifugal pump, vertically installed |
Structural description
★ Bearings:
Imported SKF and NTN bearings with reasonable configuration can extend the service life of the pump.
★ Cooling:
The built-in cooling system ensures the normal operation of the pump, regardless of whether the motor is above or below the liquid level. It extracts a portion of the liquid and directs the vibration generated by the motor from the pump circulation to the cooling cylinder and pump casing. When external cooling is required, the cooling jacket can be separated from the pump casing and connected separately to the cooling system.
★ Motor:
F-class insulation, maximum working temperature 155 ℃, protection level IPX8, good sealing effect
★ Mechanical seal:
Adopting German Bergmann mechanical seals, the two seals are connected in series and work separately to isolate the motor from the pump seal, providing dual protection for the motor.
The pump side sealing material is tungsten carbide/tungsten carbide, and the motor side sealing material is graphite/silicon carbide.
★ Oil chamber:
Oil can lubricate and cool mechanical seals, and prevent liquids from infiltrating the motor, providing additional safety benefits. There is a certain amount of air left in the oil chamber, which can reduce the accumulated pressure rise,.
★ Impeller:
After optimization design, the impeller will not block when transporting liquids, with the best flow rate and speed, and the highest efficiency. There are suitable impeller options for each working condition according to the extracted medium, including single blade, double blade, and three blade impellers.
★ Pump casing:
Adopting CAD/CAM technology results in the highest efficiency and minimal wear.
★ Monitoring system:
There are three series thermal control switches embedded inside the stator, which are in a "normally open" state at room temperature and open when the stator temperature reaches 125 ℃. There is a water leakage probe installed in the oil chamber to detect water leakage. When the mechanical seal on the pump side leaks and the oil-water ratio in the oil rate reaches a certain concentration, an alarm signal (indicator light on) is issued to automatically cut off the power and stop the pump from working
Maintenance personnel should promptly replace lubricating oil, check the mechanical seal on the pump side, and replace it if necessary,
The junction box for motors of 30kW and above is equipped with a water leakage probe to check if the cable seal is leaking,
★ Float switch:
When the mechanical seal on the motor side leaks, the liquid enters the switch room and reaches a certain height, and the float switch will issue a warning signal (indicator light on).
Your One Stop, One Solution!
Each optimal solution is determined by its particular application requirements, design, and installation parameters combined with our experience and know-how on pump technology.
CONTACT US
E-Mail: sales@rdpump.com
Tel.：+86-18932675895
WhatsApp：+86-18932675895
Add.：Shifo Town, Anguo City, Baoding City, Hebei Province, China
