What is sewer cleaning?
In every household, several liters of water mixed with urine, feaces and toilet paper flow through the sewers every day. Solids accumulate due to incorrectly disposed of waste. Since the flow rate of the wastewater is not sufficient to wash away the solids, they have to be removed by machine.
How does sewer cleaning work?
Sewer cleaning is always done with water. By inserting a pressurized nozzle, it is “pulled or pushed” into the channel. When the end of the line to be cleaned is reached, the nozzle is withdrawn. Through precisely calculated nozzle openings, the water emerges in the form of a sharp jet to loosen the material to be removed, to throw it to the rear and to remove it from the channel in the direction of flow. The actual cleaning of a channel takes place when the nozzle is withdrawn. The effective cleaning of the canal occurs by the so-called injector. The water pressure produced by the high-pressure pump and transported through the high-pressure hose emerges at the nozzle in the form of a sharp water jet. This beam is hazardous and can cause serious injuries. Nozzles always have “holes” pointing backwards.
The nozzle is drawn into the channel through the water outlet to the rear. Such creates high tr-active forces that also allow for greater distances. Such nozzles, which have the water outlet to the front, are suitable for removing blockages. Depending on the angle of the water outlet, a nozzle is ideal for clearing performance (amount of solids), degree of cleaning (cleanliness of the pipe wall) or traction (for long distances). The pressure and the liter capacity arise in connection with the diameter of the individual nozzle holes and their number. The smaller the holes, the larger the water backlog in the “high-pressure pump, hose, nozzle” system.
The pipe cleaning spiral or drainage spiral is a tool for cleaning drainpipes and down-pipes without having to unscrew them. The term is misleading since technically it is not a spiral, but a helical, more or less flexible shaft. Our sewage pipes are contaminated with grease, faeces and waste (from sinks or toilets); urine, too, leads to deposits through urine stones, which impede the flow. Such obstacles typically form in pipe bends. They cannot be reached there without special tools, especially if the pipes are in a wall. Strictly speaking, the spiral is not a tool but brings the actual device to the place of use. Spirals are available in different dimensions: the most common are 8, 16 and 22 mm in diameter, which is used depending on the pipe size and bend-ability.
In most homes, there are always clogged drains, dirty pipes or problems with gutters. These become a severe problem, especially when the commercially available methods such as suction cups, chemicals or spirals fail.
Sewer and drain cleaning services – manually or by machine
Sewer cleaning includes measures for cleaning sewage pipes, sewers or maintenance holes. Wastewater can be cleaned by hand as well as by machine. If the drain is accessible, hand cleaning is recommended. Channels that are larger than two meters are cleaned with the help of balloons, walls or ships. Mechanical cleaning occurs for ducts that have a pipe diameter of more than two meters.
Continuous sewer and drain cleaning
It is essential to check wastewater pipes at regular intervals. Such keep the lines intact. The cause of blockages is often structural defects, deposits, subsidence or wrong gradients. Regular sewer cleaning prevents blockages.
The professional help with severe drain blockages
Drain cleaning is necessary for blocked drains. The clogged drain can usually be cleaned mechanically in private households. In the case of bathtub drains, the cause of the constipation is often a clump of hair. Drain cleaning becomes more complicated if the purpose of the blockage lays in the sewer.
Methods for pipe cleaning and drain cleaning
There are three different methods for pipe and drain cleaning:
The first method for pipe cleaning is high-pressure flushing. Flushing water, which comes from a water tank, for example, is sprayed onto the sewer wall using a high-pressure pump.
The second …Read More
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