Common Problems and Maintenance of High Pressure Water Descaling Valve
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Release Time：2016-07-14
The key component of the high-pressure water descaling valve device is the descaling nozzle. The state of the descaling nozzle directly affects the surface quality of the product. Therefore, it is of great significance to do a good job in the maintenance of the high-pressure water descaling nozzle. The abnormal condition of the descaling nozzle is mainly manifested in three aspects: 1. The nozzle core of the descaling valve nozzle is fatigue and worn, and slight cracks appear at both ends of the long axis. When the high-pressure water flow passes through the crack part of the nozzle core, turbulence will be formed, the outflow direction will be confused, the energy of the high-pressure water will be consumed, the impact force will be reduced, and the descaling effect will be affected. The phenomenon is that the high-pressure water flow emitted by the nozzle core diverges and is white in the case of strong light, which is more transparent than other nozzle cores.
High pressure water descaling valveThe key component of the device is the descaling nozzle, the state of the descaling nozzle directly affects the surface quality of the product, so do the maintenance of the high-pressure water descaling nozzle.The abnormal condition of descaling nozzle is mainly manifested in three aspects:
1. The nozzle core of the descaling valve nozzle is fatigued and worn, and slight cracks appear on both ends of the long axis. When the high-pressure water flow passes through the crack part of the nozzle core, it will form turbulence and mix the outflow direction.Disorder, high-pressure water energy loss, reduced impact, affecting the descaling effect. The phenomenon is that the high-pressure water flow emitted from the nozzle core diverges and is white in the case of strong light.Flow, compared with other nozzle core injection of transparent fan high-pressure water contrast is very sharp, abnormal situation is easy to find.
2. The high-pressure water breaks down between the nozzle and the copper pad, causing water to run between the nut and the nozzle head, causing high-pressure water energy loss, reducing the hitting force, and affecting the descaling effect. itsThe phenomenon is that the contact surface between the nut and the nozzle head runs water. The initial flow pressure is small and the flow rate is small, so it is difficult to find it without careful observation. Continue to use after a period of time, damagedThe contact surface problem will be enlarged, and the pressure and flow rate of the water flow will become larger and become ejected. Because it is easy to find later, it often misses the best maintenance time.
3. The breakdown between the welding base and the copper pad by descaling high-pressure water causes water to run at the threaded joint of the nut and the welding base, resulting in energy loss of high-pressure water, reduction of hitting force and influenceDescaling effect. The early abnormal phenomenon is that there is water at the threaded joint between the nut and the welding base, but there is no obvious water flow, which can be found by careful comparison with the same part of the adjacent nozzle.Now. After continuing to use for a period of time, there will be a significant downward water flow at the threaded joint between the nut and the welding base.
The above three conditions will affect the descaling effect. The first and second conditions are easier to deal with. If the problem is found in time and handled early, it will not affect the product.any impact on quality. The emergence of the third situation is very important, because of the descaling nozzle inspection process more visual occlusion, the observation angle is limited, the inside of the descaling device.The water vapor is very large, so it tends to miss the best treatment time and worsen the running water condition. The damaged part is impacted by high-pressure water for a long time, which can easily cause the end face of the welding base to be damaged,The new copper pad cannot compensate for the damaged end face of the welding base. In this way, the phenomenon of running water will always exist, seriously affecting the descaling effect, the surface quality of the product can not be obtained.to the guarantee.
Descaling valve maintenance points:
In order to ensure the effect of high-pressure water descaling and avoid the above three abnormal conditions, the following maintenance points are put forward:
1, strengthen the descaling nozzle daily inspection, shorten the inspection cycle
2. Replace the copper pad of the descaling nozzle periodically. The replacement period of the copper pad is 15 days, and the copper pad off the production line shall be scrapped. Nozzle replacement cycle is set at 30 days, offlineAfter the nozzle is cleaned and checked, the normal state shall be reserved for standby.
3. Perform the standardized operation of descaling nozzle replacement to avoid the occurrence of lax contact between the nozzle, welding base and copper pad caused by human factors.
High pressure water descaling valve, descaling injection valve
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