Water hammer protection and nozzle performance analysis of high pressure water descaling system
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Release Time：2017-04-17
Descaling is an indispensable and important process in the production process of hot rolled strip steel. Its function is to remove the furnace oxide scale (primary oxide scale) generated on the surface of the slab and the regenerated oxide scale (secondary oxide scale) generated during the rolling process. At present, Wuhan Xiete Valve Technology Co., Ltd. widely uses high-pressure water descaling technology. Most of the high-pressure water descaling systems designed in China are designed by analogy method according to the same type of hot rolling mills abroad, so it is difficult to meet the requirements of rolling process changes and cannot guarantee the surface quality of strip steel. Moreover, due to the high water pressure in the system pipeline and the uncertainty of the opening and closing sequence of the descaling valve, the descaling system pipe
descalingIt is an indispensable and important process in the production process of hot-rolled strip steel, and its role is to remove the furnace oxide scale (primary oxide scale) generated on the surface of the slab and the regenerated oxide scale (secondary oxide scale) generated during the rolling process.Wuhan Xiete Valve Technology Co., Ltd.Widely used ishigh pressure water descalingTechnology. domestic designhigh pressure water descaling systemMost of the same type of hot rolling mills abroad are designed by analogy, so it is difficult to meet the requirements of rolling process changes and cannot guarantee the surface quality of the strip; and due to the high water pressure in the system pipeline and the uncertainty of the timing of the opening and closing of the descaling valve,descaling systemThe water hammer and vibration of different degrees often appear in the pipeline, which is bound to cause damage to the pipeline and its support and other ancillary equipment.
Therefore,Wuhan Xiete Valve Technology Co., Ltd.The water hammer phenomenon will be numerically calculated and the necessary water hammer tests will be carried out to study and analyzedescaling systemThe transient conditions of the fluid in the pipeline, and the development of the corresponding water hammer protection measures;descaling equipmentThe core element in the nozzle is analyzed to further improvedescaling systemprocess technology and overall performance.
Wuhan Xiete Valve Technology Co., Ltd.Right.high pressure water descalingThe water hammer generated in the process is numerically calculated, and the main analysis and study of the protective characteristics of the accumulator to the water hammer, including: the installation position of the accumulator, the volume size of the accumulator, the number of the accumulator and the setting of the pipeline fixed bracket on the water hammer protection performance.high pressure water descaling systemIn the water hammer to develop the corresponding protective measures;high pressure water descalingThrough the numerical simulation of the internal flow field of the nozzle, the influence of the nozzle structure parameters on the internal flow field is obtained, the relationship between the nozzle structure parameters and the dynamic performance is established, and the performance of the descaling nozzle is further improved, so that the pressure of the water head in the whole descaling system can be appropriately reduced while the outlet jet velocity is ensured, so as to reduce the harm caused by water hammer to a certain extent.
Wuhan Xiete Valve Technology Co., Ltd.According to the use of the environment and size, our engineers can carry out on-site mapping, give professional advice, make the most suitable for your product.
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Wuhan Xiete Valve Technology Co., Ltd.Focus on all kinds of valves,Filter,Gas drainer,Throttle orifice plateIt is a professional manufacturing enterprise integrating R & D, production, sales and after-sales, with 20 years of rich experience in the industry. It owns the Xiete valve brand, builds the best R & D professional team in the industry, and has a number of independently designed and developed patented products. Provide customers with the bestValve function customization solution, and has successfully provided professional design customization services for many enterprises and institutions. At the same time, Wuhan Xiete Valve Technology Co., Ltd. has obtained ISO9001 quality system certification and TS special equipment license. Our product types, complete styles, quality assurance, factory direct sales, economical, convenient and fast to provide customers with one-stop service!
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