Ground radiation heating is widely used in new projects and civil buildings. The main forms of ground radiation heating are low temperature hot water ground radiation heating and cable ground radiation heating. More than 90% of the buildings in China are heated by low-temperature hot water ground radiation. PE-rt and PE-EX pipes are mostly laid in underground cement mortar layer as geothermal pipes.
Jinan pipeline dredging
Importance of Floor Heating Pipeline Cleaning
With the increasing number of users of geothermal heating, many questions and problems follow. Whether the system design is reasonable or not, the location of the ground heating pipe, the size of the gap between the pipes and the thickness of the pipe diameter will affect the later heating. Even if there is no problem in the design of pavement, if the construction process is not fully in accordance with the design drawings, it will cause no heat. At the same time, because the water of floor heating system contains a lot of minerals, calcium and magnesium ions, due to the change of the temperature of water supply and return, calcium and magnesium ions scale will be produced and adhered to the inner wall of the pipeline, forming pipe scale. As a result, the water flow becomes weaker, the heat transfer effect is reduced, the room temperature is reduced, and the normal quality of life is affected. In addition, the floor heating system contains a large number of microorganisms in the water. Under appropriate conditions, it will produce a large number of biological sludge covered inner pipe walls, resulting in green, black pipes, such as long time can not be effectively cleaned, will cause floor heating system failure, leading to a large number of large-scale pipes, hindering the flow of water. Even cause ground damage, dismantle or replace the geothermal pipeline system, causing property damage and inconvenience to users of geothermal.
Jinan pipeline dredging
Working Principle of Ground Heating Pipe Cleaning
The working principle is one wash, two bubbles and three washes. "One flush" refers to free scale, biological sludge and magnesium and calcium ions washed out from pipes with clean water. "Double bubbles" refers to injecting geothermal cleaning agent into the heat pipe to circulate in the pipe, so that the scale and biological sludge attached to the wall of the pipe are fully loosened. "Three washing" is to use the physical wave of pulse geothermal washing machine to shock the pipe wall and microwave vibration, so that loose scales, biological sludge and other sediments peel off the pipe wall. The disadvantage is its corrosion, which causes damage while cleaning the inner wall of the pipeline, directly affects the cleaning effect of the pipeline, and artificially reduces the service life of the pipeline network.
Thermal pollution and blockage of coil pipes have become a prominent problem restricting the development of the heating market. Although geothermal heating devices are used in stores to avoid the flow of dust and add filters or water to the source, the formation of pipe scale and biological loam can not be prevented. Therefore, the fundamental way to solve the heating problem of heat pipes should be to regularly clean the inside of pipes on the basis of professional equipment.
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