A sewage pumping station is equipped to divert domestic and industrial wastewater from houses and businesses into the general wastewater system of a settlement. Pumping station ventilation is one of the necessary engineering networks.
Requirements for ventilation of sewage pumping stations
Ventilation of the pumping stations ensures the removal of heat generated by the mechanisms during operation, and also prevents an increase in temperature in the block-box.
The main indicator in the design of ventilation of a sewage pumping station is the transmitted air volume.
To calculate the ventilation of sewage pumping stations, it is necessary to take into account the location and number of the following components: air ducts, grilles, valves, temperature sensors.
The temperature in the pumping station hall should be in the range from +5 to +45 degrees.
Ventilation of pumping stations
Ventilation of the pumping station is necessary to provide fresh air to employees, as well as to create appropriate conditions for the operation of equipment.
A comfortable air conditioning system is provided for the premises of the main control room, offices of employees and dispatchers. Ventilation of the pumping room is necessary in the engine rooms and pumping rooms.
The most effective method is supply and exhaust ventilation of a sewerage pumping station on a mechanical traction.
When calculating the ventilation of the pumping room, the following indicators are taken into account:
- Humidity;
- The speed of movement of air masses;
- Temperature.
All pumping rooms are divided into three categories of severity:
- The first light is offices, control rooms, communications, control rooms;
- The second "A" is of medium weight for distribution booths and cable;
- The second "B" is of medium severity, this category includes ventilation of pumping stations, machines and accumulators.
According to technical standards, it is necessary to install separate ventilation systems for equipment rooms and other rooms. It is allowed to install general ventilation systems of a sewage pumping station only by supplying them with adjustable dampers. Gates close in case of fire or other force majeure circumstances. It is forbidden to combine ventilation systems for flammable premises and electrical machines.
In most cases, the ventilation of the pumping station is equipped on the basis of circular ventilation ducts. The diameter of the sections is selected in accordance with the required air exchange rate.
