Steel Pipe on the Surface of the High Pressure Water Descaling System Improvement
Through the pipe with high pressure water to remove the outer surface of iron oxide, can improve the quality of the outer surface of steel. As the market for hot-rolled seamless steel tube outer surface of the increasingly high demand for water descaling system running conditions the problem is highlighted. Stability of the system working pressure and improve system reliability improvements are as follows:
1) improving the plunger and the seal between the sealing gland. The original letter and seal between the plunger seal life is short. Replaced once a week at least, or leakage to the system pressure and flow can not meet production requirements. The original seal is the material for the nylon sealing ring plus graphite. Sealing material is too hard, deformation is small, adjust the stuffing box seal leaking gland had no effect. Improved seal material PTFE + graphite + copper rings alternating combination of ring seal. Improved seal life up to 2 to 4 months, during which a slight leakage can adjust the stuffing box seal gland.
2) improving the structure of one-way valve, check valve to improve the seal. The original one-way valve for the vertical one-way valve, the flow direction of the low prices, plug and seal the surface between the valve seat seal, spool valve cover by the position and orientation. If the valve core and valve seat between the mechanical impurities, Mifengbuyan valve and valve seat, while the valve stem cover and easily deformed, the valve cover down on the spool positioning guide, seal between the valve core and valve seat further down until the system is not working properly. Improved one-way valve to control one-way valve, the flow direction of the horizontal flow, the valve core and valve seat to seal between the cone seal. Valve plug along the axial direction of the guide bar, there is strong external spool valve with spring and guide rod and to strengthen the role of one-way valve with one set of orientation and position, orientation, good stability, good sealing effect.
3) Improved suction valve, discharge valve and pump seals and springs between. The original suction valve, discharge valve and pump seals between the shape of a trapezoid cross-section, material is nylon. Deformation is very small, poor sealing. Benxi Water Pump Factory to improve the suction pressure valve, drain valve and pump material to seal between the rubber O-ring. The suction valve, discharge valve and pump seals between improved to solve the system fleeing into low pressure water inlet side of pump damage, the formation of Malaysia cellular block; and fleeing into the high-pressure water to solve the system into the low pressure water pipes, damaged pipes and components problems. The original suction valve, discharge valve spring material improvements for the 1Cr18Ni9Ti, to address the suction valve, discharge valve of the original spring break due to less elastic and sudden, fleeing into the low pressure caused by high pressure water inlet side of the issue. The improved system stability conditions, suction, drain valve from the maintenance period to about one and a half per week.
4) to extend the life of the improved plunger. The original plunger often have a vertical scratches. The reason was mainly due to the high-speed reciprocating plunger and the stuffing inside the sealed letter in the body of the friction effect, the outer surface of the plunger plated Ni60, and 30m thick Ni layer after the plunger into the vertical scratches appear significantly reduced.
1) improving the plunger and the seal between the sealing gland. The original letter and seal between the plunger seal life is short. Replaced once a week at least, or leakage to the system pressure and flow can not meet production requirements. The original seal is the material for the nylon sealing ring plus graphite. Sealing material is too hard, deformation is small, adjust the stuffing box seal leaking gland had no effect. Improved seal material PTFE + graphite + copper rings alternating combination of ring seal. Improved seal life up to 2 to 4 months, during which a slight leakage can adjust the stuffing box seal gland.
2) improving the structure of one-way valve, check valve to improve the seal. The original one-way valve for the vertical one-way valve, the flow direction of the low prices, plug and seal the surface between the valve seat seal, spool valve cover by the position and orientation. If the valve core and valve seat between the mechanical impurities, Mifengbuyan valve and valve seat, while the valve stem cover and easily deformed, the valve cover down on the spool positioning guide, seal between the valve core and valve seat further down until the system is not working properly. Improved one-way valve to control one-way valve, the flow direction of the horizontal flow, the valve core and valve seat to seal between the cone seal. Valve plug along the axial direction of the guide bar, there is strong external spool valve with spring and guide rod and to strengthen the role of one-way valve with one set of orientation and position, orientation, good stability, good sealing effect.
3) Improved suction valve, discharge valve and pump seals and springs between. The original suction valve, discharge valve and pump seals between the shape of a trapezoid cross-section, material is nylon. Deformation is very small, poor sealing. Benxi Water Pump Factory to improve the suction pressure valve, drain valve and pump material to seal between the rubber O-ring. The suction valve, discharge valve and pump seals between improved to solve the system fleeing into low pressure water inlet side of pump damage, the formation of Malaysia cellular block; and fleeing into the high-pressure water to solve the system into the low pressure water pipes, damaged pipes and components problems. The original suction valve, discharge valve spring material improvements for the 1Cr18Ni9Ti, to address the suction valve, discharge valve of the original spring break due to less elastic and sudden, fleeing into the low pressure caused by high pressure water inlet side of the issue. The improved system stability conditions, suction, drain valve from the maintenance period to about one and a half per week.
4) to extend the life of the improved plunger. The original plunger often have a vertical scratches. The reason was mainly due to the high-speed reciprocating plunger and the stuffing inside the sealed letter in the body of the friction effect, the outer surface of the plunger plated Ni60, and 30m thick Ni layer after the plunger into the vertical scratches appear significantly reduced.
