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29.04.2026

Key Challenges in Immersed Tube Water Supply Pipeline Construction: Problems and Solutions

Abstract: Constructing water supply pipes across navigable waterways is a major challenge and one of the most critical aspects of the project. As an underwater construction method, the immersed tube technique...
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  • Posted: 10/26/2018 11:36:34  Hits: 82
    The 8th Asia Steel Forum (ASF) will curtain up on Nov. 12th, at Sheraton Seoul Palace Gangnam Hotel (in Seoul, South Korea), hosted by Steel & Steel from South Korea, China Mysteel Research Institute, Japan Metal Daily, and Taiwan Steelnet, and with full support from China Association of Automobile...
  • Posted: 07/30/2018 14:23:49  Hits: 89
    Exhibition Name: The Shanghai Glass-lined Equipment Exhibition 2018 Exhibition Date: from 19th to 21st November, 2018 Exhibition venue: Shanghai Address: Shanghai New International Expo Center Contractor: Shanghai Weibo Exhibition Co., Ltd. Introduction of the Exhibition Glass-lined equipment is widely used in industrial...
  • Posted: 05/24/2018 17:28:07  Hits: 68
    The information of the exhibition Exhibition name: The Guangzhou International Pipe & Tube Processing Equipment Exhibition 2018 Exhibition date: From June 6 to June 9, 2018 Exhibition venue: The International Exhibition Exhibition address: No. 980 Xingang East Road, Haizhu District, Guangzhou City Organizer: Guangzhou...
  • Posted: 11/15/2017 16:04:25  Hits: 160
    Time: November 20-22, 2017 Location: Shanghai New International Expo Center Organizers: China Steel Structure Association Steel Pipe Branch, Shanghai Steel Pipe Association and Yangtze River Delta Pipeline Materials Industry Association Co-organizers: Foshan Steel Pipe Industry Association and Changshu Steel Pipe Industry...
  • Posted: 10/27/2017 13:44:14  Hits: 26
    (3) Installing the slow closing check valve on the outlet pipe of the large diameter pump   The slow closing check valve can effectively eliminate the water hammer caused by a stopped pump. There must be overflow pipes for suction wells, because a certain backflow will happen in the operation of the slow closing...
  • Posted: 10/09/2017 14:07:29  Hits: 37
    There are many prevention measures for water hammers. Different measures will should be taken according to the possible causes of water hammers. 1. Reducing the flow velocity of the water pipeline Reducing the flow velocity of the water pipeline can lower the pressure of the water hammer to a certain extent, but this will...
  • Posted: 09/21/2017 13:43:04  Hits: 56
    Cold rolled seamless pipes Cold rolled seamless pipes(GB3639-2000)are cold drawn or cold rolled precision seamless steel pipes with high accuracy of the dimension and good finish of the surface used for the machinery and hydraulic equipment. The cold rolled process refers to the method adopted to process the steel plates...
  • Posted: 09/13/2017 17:50:28  Hits: 61
    When sudden power cuts happen or valves are closed too fast, water shock waves will be generated like hammers beating against pipes due to inertia of pressure flows, which is known as water hammers. The force generated by the water shock wave coming back and forth is great sometimes, which will break the valve and the...
  • Posted: 08/31/2017 11:26:17  Hits: 43
    Cast iron pipes are made of casting cast iron, which are applied to water supply, drainage and gas pipelines. Cast iron pipes include cast iron straight pipes and pipe fittings. The cast iron pipe can be divided into the gray cast iron pipe and the ductile iron pipe based on the material. Connection types of cast iron...
  • Posted: 08/12/2017 12:59:12  Hits: 95
    【1】Cleaning Use solvent and emulsion to clean the surface of high-pressure boiler tubes in order to remove the oil, grease, dust, lubricant and similar organics. However, it can not remove the rust, oxide scale, welding flux, etc. from the surface of high pressure boiler tubes. Therefore, this method can only be seen...
  • Posted: 07/25/2017 11:35:41  Hits: 116
    The pipeline is the equipment consisting of the pipe, the pipe fitting and the valve, and is used for transporting gas, liquid, or fluid with solid particles. Usually, after being pressurized by blowers, compressors, pumps and boilers, fluid will flow from the pipes' high pressure parts to the low pressure parts, and...
  • Posted: 06/16/2017 13:37:28  Hits: 62
    Exhibition Information     Name: The 18th Guangzhou International Pipe and Pipe Processing Equipment Exhibition. Sponsor: Guangzhou Julang Exhibition Planning Company. Co-organizer: Tianjin Federation of Industry and Commerce Metal Materials Chamber of Commerce. Special Thanks to: South Korea Iron and Steel Association,...