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What is the difference between the brushing method and the natural gas burning method in the marking removal


Release time:2018/2/1 15:42:32 Source:www.benklassen.com/

Abstract:The working principle of the brush cleaning machine is to drive the steel wire brush disc through th

The working principle of the brush cleaning machine is to drive the steel wire brush disc through the power and transmission device to remove the attachments on the working surface. According to the different equipment and working principle, the brush cleaning machine can be divided into three types: heating type, thixotropic type and reciprocating type. Heating brush cleaning Before removing the marking, heat the original marking, and then remove it with a steel wire brush disc after the marking is softened; Thixotropic brush cleaning is to brush a layer of chemical thixotropic paint remover on the surface of the marking before cleaning to make it fully contact, swell, peel, soften, separate, fall off and other physical and chemical changes with the marking paint, and then remove the marking with a steel wire brush disc; The reciprocating brush cleaning is to make the steel wire brush disc move back and forth on the working surface driven by the power device by adjusting the pressure of the spring acting on the steel wire brush disc, so as to remove the marking paint or dirt in the gap of different depths on the road surface. The brushing and wiping method is relatively thorough in removing the marking paint, but its removal speed is slow because it needs to heat or swell the marking or needs to move back and forth. Therefore, it is not suitable for use when the road traffic is busy. At the same time, it has certain noise during construction, so it should not be used when there are residents around to rest. Marking removal Natural gas burning method Natural gas burning is used to burn the marking by aiming the natural gas torch at the marking. The construction process is simple, and the required equipment is simple, so there is basically no professional requirements for construction personnel. However, since the markings attached to the road surface are not easy to burn, the construction speed is very slow, and not all markings can be removed well. Generally, the removal effect is good for thick hot-melt markings. In addition, the burning of markings will produce a lot of harmful gases, which is adverse to construction personnel and the environment. Marking removal Soda jet cleaning method Soda jet cleaning method is to remove the marking through a soda jet cleaner. The soda jet cleaner uses a high-pressure pump to make a certain solvent (such as water-soluble sodium bicarbonate) that can dissolve the marking paint fracture to release energy to remove the marking paint or other pollutants. At the same time, the solvent dissolved in the marking paint will be cleaned. Soda spray is a very inexpensive and effective method of removal that does not cause any damage to the work surface area. However, as the dissolution of marking paint requires a certain reaction time, the removal efficiency of soda spray is relatively low, which is not suitable for long distance marking removal, and it does not work for all markings. Generally, the removal effect of hot-melt marking paint is good. In addition, the soda jet cleaning method requires professional equipment and multiple operators, and is usually completed by specialized institutions abroad.


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