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  6. Ice cleaning method for various pressure pipelines over long distances in a short time using ice pigs.

Ice cleaning method for various pressure pipelines over long distances in a short time using ice pigs.

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last updated:Oct 20, 2022

東亜グラウト工業
東亜グラウト工業
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It discharges dirt, organic matter, biofilm, manganese, and red rust outside the pipe with ice, which causes a decrease in flow in the pressure pipeline and leads to the generation of hydrogen sulfide that causes corrosion!

The "Ice Pigging Pipe Cleaning Method" is a revolutionary pipe cleaning technique that uses a special ice slurry to scrape off deposits and contaminants from the pipe walls, allowing for discharge outside the pipe without damaging it or causing blockages. The slurry-like ice pig can easily follow bends and changes in pipe diameter, ensuring stable cleaning without the risk of clogs. Additionally, the special ice slurry is made from water and salt, making it environmentally friendly and harmless to humans. [Applications] ● Removal of accumulated dirt that causes a decrease in water flow rate ● Removal of dirt that leads to the generation of hydrogen sulfide, which causes internal corrosion ● Removal of peeling and floating seal coats in aging water pipes ● Removal of organic matter and biofilms that cause water quality deterioration and chlorine consumption ● Removal of manganese and red rust that cause colored water issues ● Cleaning of complex piping shapes with bends, different diameters, and horizontal sections.

    Renovation and repair methods
Ice.jpg

Ice cleaning method for various pressure pipelines over long distances in a short time using ice pigs.

Ice.jpg
Ice.jpg
  • Related Link - http://www.toa-g.co.jp/kanro/senjo/

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【Features】 ● No worry about clogging because it uses ice ● Can flexibly follow bends and changes in pipe diameter ● Removes all accumulated debris in the bypass section without leaving any behind ● Capable of cleaning long distances in one go, making it time-efficient and economical ● Special ice sherbet is environmentally friendly and harmless to the human body 【Application Conditions】 ● The type of pipe to be cleaned does not matter as long as it is a pressure pipeline ● Applicable diameters are between 50mm and 400mm (If exceeding 400mm, further consideration is required) ● There must be facilities such as air valves or fire hydrants for injecting and discharging the special ice sherbet into the pipeline ● The total transport and injection time for the special ice sherbet must be within four hours in principle

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Applications/Examples of results

【Purpose】 ● Removal of accumulated dirt that causes reduced water flow ● Removal of dirt that leads to the generation of hydrogen sulfide, which causes internal pipe corrosion ● Removal of peeling and floating seal coats in aging water pipes ● Removal of organic matter and biofilm that cause water quality deterioration and chlorine consumption ● Removal of manganese and red rust that cause colored water issues ● Cleaning of complex piping shapes with bends, different diameters, and buried sections

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Ice pigging internal cleaning method

Ice pigging internal cleaning method

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[Media] Japan Waterworks News Company published an article on "Ice Pigging Pipeline Cleaning Method" in "Water Tech".

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An article has been published in the Japan Waterworks News "Water Tech" about the "Ice Pigging Method" for cleaning pressurized pipelines using special ice sherbet. "Extending the life of dirty pipelines economically, quickly, and safely. All with just 'water and salt.'" The article provides a broad introduction to this technology, which has been developed over many years, including an interview with the person in charge, on-site conditions leading to 500 achievements nationwide, and future developments utilizing AI. Please check the article at the bottom of the page under "Related Links." 【Media】Japan Waterworks News Electronic Edition Portal Site 'Water Tech' 【Article Title】Pipeline Cleaning Leads to Sustainable Water Infrastructure - Ice Pigging Facing the Water Crisis *Past content can also be viewed from the list of published articles at the bottom of the Water Tech page.

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A demonstration of technology at the booth.

We exhibited at the "Sewerage Exhibition '26 Tokyo."

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We exhibited at the "Sewage Exhibition '26 Tokyo" held from August 4 (Tuesday) to August 7 (Friday), 2026. Thank you very much to everyone who visited our booth. This time, we introduced pipeline maintenance and management technologies under the theme "Comprehensive Pipeline Management Supported by AI and Advanced Technologies." ≪Exhibited Technologies≫ 【Sewage】 - Self-supporting manhole rehabilitation technology using field-curing lining: "VertiLiner Method (Light Curing Method)" - Earthquake resistance technology for sewage facilities: "Magma Rock Method" - Cleaning technology for pressure pipelines using special ice sherbet: "Ice Pig Pipe Cleaning Method" 【AI/DX】 - Leak detection technology using satellites: "Astella Recover" - AI-supported pipeline renewal planning technology: "Asset Advance" - Optimization technology for hydraulic model analysis: "Optimizer" -------------------------------------------------- If you have any questions, please feel free to contact us. We will continue to strive to contribute to the efficient maintenance and management of your water supply and sewage pipelines.

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東亜グラウト工業

東亜グラウト工業

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Since its establishment, our company has played a role in national construction, primarily focusing on the "ground improvement field" with our unique grouting method. Subsequently, in response to the changes in social infrastructure development, we have refined our technologies to adapt to the needs of the times and, at times, acquired new ones to expand our business scope. As a result, we have now established three main pillars: "ground improvement business," "slope disaster prevention business," and "pipeline business."

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