With the progress of the times, the way people travel is no longer by taking buses and cars in the past, but now by airplanes and high-speed trains. In particular, the subway and high-speed rail are the most commonly used means of transportation. Therefore, when the subway was built, the project was very large. For the convenience of the project, the engineers adopted the shield method to excavate the tunnel, especially the super large diameter shield tunnel construction. However, during the construction process, the shield mud is prone to a large amount of foam. The shield mud defoamer customized by Nanhui manufacturer can eliminate the foam and control the occurrence of foam.
(Picture: Application scene of shield mud defoamer)
Reasons for Shield Mud Foaming
1. Because shield construction is often used in the construction of high-depth and super-large-diameter shield tunnels, the mud-water balance shield method is generally used to cool and lubricate the cutter head, carry the excavated soil, and reduce the pressure of the soil bin; but here During the process, it will easily cause the mud to foam;
2. Adding chemical agents such as separating agent and flocculant can easily cause foaming;
3. The silt is easy to foam during cleaning;
4. It is easy to foam during the mixing process of the shield machine;
5. In shield construction, a certain concentration, pressure and flow are usually used to fill the work area, so that there is too much foam;
There are a lot of air bubbles in the mud excavated by the shield construction. If you want to use the shield mud as a resource, the air bubbles in the shield mud not only affect the dewatering efficiency, but also affect the quality of the mud cake after the mud water is separated. Therefore, the editor recommends using shield water treatment defoamer to eliminate foam in order to achieve the purpose of construction and improve engineering efficiency.
(Picture: Mud foam hazard of shield machine)
Nanhui shield mud defoaming plan
The Nanhui defoaming agent manufacturer has developed a shield mud defoaming agent for the characteristics of shield mud foaming, which has strong defoaming ability, fast defoaming speed, and a small amount of addition. And has the following characteristics:
1. Factory direct sales, high cost performance, custom defoamer;
2. Provide one-to-one foam solutions, and get free samples of the foaming agent;
3. Nanhui shield defoaming agent has good defoaming performance, fast defoaming speed and long foam suppression time
4. With very low surface tension, it can quickly reduce the surface tension of the foam and help the progress of sand washing;
5. It has no effect on other processes, does not affect the separation of muck and soil, and does not affect the sedimentation of mud. Does not affect the operation of the sand washing machine, does not affect the high-standard stones, does not affect the separation of fine aggregates.
6. The concentration of defoamer is high, and the dosage is small, which can control the cost of addition.
(Picture: Nanhui Shield Mud Defoamer)
The source manufacturer of Nanhui defoamer can solve various industrial foam problems in a targeted manner. If you encounter bubble problems in related industries, you can call Nanhui Technical Specialist, Ms. Yoyo, at 0086 134 2860 1010.
