Therefore, in the case where the kitchen cement floor is a flat structure, it is difficult to maintain the water seepage prevention by the galvanized steel sheet, and such a structure is not preferable.
Trouble-shooting (1) Use a leak-proof glue to block the joint between the cement floor and the wall in the kitchen to reduce the chance of water seeping into the iron floor. The seams must be cleaned and dried first, and the leaking glue must be placed in place no less than 4 times.
(2) The iron floor avoids the trunking, and drills a hydrophobic hole at the water seepage collection place to discharge the seepage water outside the vehicle. At the same time, the sand holes in the iron floor trough and the places where the splicing is not tight are sealed with super glue, which reduces the chance of water seepage into the trough.
(3) The wiring box of the under-counter junction box is polished with sandpaper, the oxide layer is removed, the insulating board is dried, the bolts, nuts and washers are replaced. After the installation is tightly fastened, the insulating sealant is coated to protect or avoid the water vapor pair. The effect of insulation.
(4) Drill the vent hole in the bottom cover of the split box to avoid the accumulation of water vapor. After the above treatment, although the wastewater of the kitchen cannot be completely prevented from penetrating into the iron floor through the gap between the floor and the wall, the insulation requirement of the passenger car has been reached, and the safe operation of the passenger car can be ensured. After half a year of use, the response was good.
It is recommended to solve the problem of local water seepage on the floor to establish an effective and long-lasting anti-seepage measures. For this reason, the author suggests to improve the original structure when the bus is newly built or repaired.
(1) The cement floor is constructed with a 50mm high and a 40mm wide water retaining step along the joint wall. According to the author's observation, the kitchen equipment of the 25G dining car, such as boilers, steaming boxes, stoves, refrigerators, and sinks, are 60mm away from the wall. The steps are added, which does not affect the installation. Only some coal boxes need to be moved 40mm or The bottom is slightly modified.
(2) The four surrounding plates are changed from the original 0.7mm galvanized steel plate to the thick 1.5mm aluminum plate. The aluminum plate and the cement floor retaining step and the wall are sealed with a strong glue to prevent the splashed water from penetrating outside the wall gap. The aluminum plate is corrosion resistant and has a long life.
Metal side plate: Made of metal materials, with high strength and stability, suitable for load-bearing occasions, but the price is relatively high. Metal side plate: Made of metal materials, with high strength and stability, suitable for load-bearing occasions, but the price is relatively high.
Different side panels are suitable for different occasions and needs, and the selection needs to be considered comprehensively according to the actual situation.
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