How to use fire sand?

The cover can be removed directly, and the two hinges under the front box body open at the top like the rear slot of the freight car. Usually the interior is filled with dry sand and two flat shovels are used. In case of emergency fire fighting, two or one person removes the upper cover, opens two handles on the upper part of the box, and the dry sand flows out by gravity, and two or one person covers the oil with a spade. Usually, it is very useful to put out the fire flowing on the ground.

Whenever the rainy season comes, low-lying areas, basement entrances, garages and so on are essential. The temporary waterproof project is completed in the shortest time, and the sandbags are easily moved. Emergency disasters, typhoon floods, floods, drainage works, garage water retaining, soil collapse prevention and other emergency temporary works and flood control necessities.

Extended data:

When preparing concrete, medium sand should be preferred. When using coarse sand, the sand ratio should be increased and sufficient cement dosage should be maintained; When fine sand is used, the sand ratio should be reduced appropriately. Sand for masonry mortar shall meet the technical requirements of sand for concrete.

Because the mortar layer is thin, the maximum particle size of sand should be limited. For the sand used in rubble masonry, the maximum particle size should be less than a quarter to a fifth of the thickness of mortar layer. Brick masonry should use medium sand, the particle size should not be greater than 2.5 mm, and plastering and jointing mortar should use fine sand.

After use, it can be collected and reused (if the bag is well preserved and has no holes, it can be reused). Emergency sandbags, like ordinary cloth bags, are light and easy to take and can be folded and stored. Cross stacking, just like using traditional sandbags, is easier to use, carry and collect than sandbags.

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