Concrete delivery hoses are often used to deliver highly abrasive media such as quartz sand, cast steel shot, corundum, glass. And the hose can be used with a vibrator to help resolve layers of concrete while building. The inner layer of the pipe is mostly made of UPE and SBR & NR synthetic rubber, which has strong wear resistance. In order to prevent the pipe body from bursting due to the pressure of scouring, the middle is reinforced with 2~4 layers of steel cords. Positive pressure performance is good.
The chemical industry hose has good pressure resistance. When the fluid is suddenly overpressured, it will not burst, but will only cause the pipe body to creep. The high working pressure can reach 4.0Mpa. The chemical hose with good temperature resistance can be used in the environment of -40℃~+130℃, and the hose will not become hard or soft due to the change of temperature; the operating temperature is as high as 180℃. Chemical fiber hoses are used in chemical products, such as aromatic hydrocarbons, acid and alkali and other liquid media, and have good performance.
When metal hoses and rubber hoses cannot be used, the use of composite hoses is an ideal choice. On May 16, Luohe Litong Hydraulic Technology Co., Ltd. held the "Opening Ceremony of Lean Dojo". The company's chairman and CEO Zhao Hongliang, executive vice president Zhang Yong and the original Nissin CEO Wang Qinghe attended the ceremony. After two days of intensive training, Litong participants learned theoretical knowledge (safety + seven types of waste + improvement points), hands-on training, in-depth discussions, calculated profits and submitted a summary report, benefiting a lot. Petrochemical hoses A steel plant in Shandong needs a batch of high temperature resistant rubber hoses. The equipment used in the steel production process includes continuous casting equipment, which is divided into electric oven converters and thermal oven converters. Among them, the requirements for the hose must be a shielded appearance for thermal insulation, temperature reduction and fire protection.
In order to use oil pumps and pumping stations, a qualified pressure must be obtained. The high-temperature resistant series hoses developed by Litong are high-quality hoses that can safely transport saturated steam at 260°C, petroleum-based hydraulic oil, and hot water. They are mainly focused on the fields of petroleum, construction machinery and smelting. Advantages of chemical oil hose: 1. Insert copper wire design: insert copper wire for grounding and eliminating static electricity; 2. Spiral wire in reinforcement layer: can improve bending resistance, strengthen hose structure, and prolong service life; 3. Externally reinforced spiral wire reinforcement: Spiral wire reinforcement can be added to the hose to improve wear resistance. Extend the life of the oil and rubber hose.
The pipes connecting the various components of the system are also called oil pipes. Its function is to connect various hydraulic components in the hydraulic system to ensure the circulation of the hydraulic system and the transmission of energy. The requirements for pipelines are: small energy loss, high strength and easy operation when transporting oil. As we all know, hydraulic oil is generally transported in the inner hydraulic pipeline, and the inner rubber is made of NBR rubber, which can withstand high temperature of 90 degrees, and will not expand after long-term use.
We will update more about-petrochemical hoses gradually, so stay tuned.
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