The trench cover is also known as the "drain cover", "manhole cover", and "sewer manhole cover" was originally made of cement, cast iron, and it is easily damaged after normal use, and the replacement cost is large. It is made of pressure-welded steel grid plate, which has the advantages of simple construction and installation, light weight, good bearing, strong impact resistance, non-slip, and excellent drainage. Then, the following Xiaobian introduces the purpose of the trench cover and the type of trench cover.
The use of trench cover
1. Water treatment: Overhaul aisle, drain cover, scrubber, trash rack, flow sink, biochemical water treatment pool hangers, ventilation windows, stairs, cooling tower console pavement.
2. Chemical plants: stair rafts, operating platforms, guardrails, double floors, trench covers, and gratings.
3, the oil industry: offshore oil platform.
4. Power plants: chemical water workshop trench covers, waste water pools, etc.
Ditch cover type
1. XU groove cover
It is suitable for most common mudless trenchless trenches. The U-shaped trench cover is very simple and economical. No special trench edge is required. When loading T-6, T-14, it is recommended to embed angle steel on the trench. When a car is needed, this type of furrow is only suitable for side furrows (the direction of the car is parallel to the furrow). It is suitable for most common mud-mixed trenchless trenches. The use of U-shaped trench covers is very simple and economical. No special trench edge is required. When loading T-6, T-14, it is recommended to embed angle steel on the ditch. When a car is needed, this type of furrow is only suitable for side furrows (the direction of the car is parallel to the furrow). Code Description:
2, XT groove cover
Applicable to the groove along the edge of the support, along the mouth is usually covered with angle steel. When used as a transversal groove cover (vertical direction of the traveling direction and the direction of the ditch), taking into account the danger that the cover plate is provoked by the impact, bolt-type ditch cover or welding on the angle steel caulking shall be adopted, and the steel grid plate groove cover shall be preserved Hot dip galvanized.
3, XM trench cover
This kind of cover plate can be used for the drainage well holes or the covers of the air holes and manholes in rainwater wells, sand-draining wells, sewage inlets, sewage wells, etc. in roads, parks and other municipal facilities.
4, XG ditch cover
Applicable to the deep groove along the mouth of the support, when used in parallel with the concrete cover plate, it can be flush with the upper surface of the concrete trench cover; when used as a cross-ditch cover (direction of the car and the direction of the cover Vertical) can effectively prevent the cover from being picked up by the risk of shock. Steel grid plate cover corrosion using hot-dip zinc.
5, cast iron trench cover
Material: gray iron iron nodular iron
Main use: for inspection wells, drainage wells, drain covers
Cast iron cover products will have air holes, cracks and other quality defects, and can not repair welding.
Cast iron covers are less ductile, brittle and have a risk of fracture.
When the weather is cold, the surface of the cast iron cover plate is frozen and the anti-skid effect is poor.
6. Steel grille cover plate
Material: Low alloy carbon steel
Main use: Used for the cover of inspection wells, drainage wells, drainage ditch, lighting wells, etc.
Editor's summary: The purpose of the trench cover and the type of trench cover are introduced here. I hope to help everyone. If you want to know more related information, you can pay attention to this website information.
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