A stainless steel pipe for food machinery that exhibits excellent impact resistance, corrosion resistance, and sound insulation.

10 Dec,2021

A stainless steel pipe for food machinery that exhibits excellent impact resistance, corrosion resistance, and sound insulation.

In the food industry, large quantities of steel pipes are required to convey liquids or powders. When seamless steel pipes are used for long-distance transport of liquid fluids such as chemical solutions or water, severe turbulence often develops within the pipeline. This turbulence leads to uneven flow velocities and a sharp drop in pressure, resulting in increased energy consumption and reduced transportation efficiency. Moreover, the transported liquids are typically flammable, making it necessary to develop a… Stainless steel tubes for food machinery , to prevent fires and substantial losses.

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Technical highlight: The technician provides a… Stainless steel tubes for food machinery It exhibits excellent impact resistance, thermal insulation, corrosion resistance, and sound insulation, while also ensuring a stable flow velocity of the fluid inside the pipe. To achieve these objectives, the technical solution adopted for this stainless steel pipe used in food machinery is as follows: the pipe comprises an inner tube and an outer tube with a hollow cavity between them; the inner surface of the inner tube is equipped with multiple guide strips extending along its length, and the inner wall of the inner tube features grooves that correspond to these guide strips, forming guiding channels between adjacent strips; the outer tube consists of a rubber shock-absorbing sleeve and an insulating layer. The outer surface of the rubber shock-absorbing sleeve is provided with slender, hollow protrusions distributed along the length of the outer tube, which are filled with vitrified microsphere material, while the inner surface of the insulating layer is fitted with corresponding slender grooves that match these protrusions. By incorporating this design—creating a hollow cavity between the inner and outer tubes—the heat generated within the inner tube remains confined to the cavity, preventing direct heat transfer through solid materials to the exterior of the pipe. Additionally, guide rods are mounted on the inner wall of the inner tube, with guiding channels formed between adjacent rods, which help direct fluid flow, stabilize flow velocity, and minimize heat loss caused by turbulence. The interplay between the guide rods and their corresponding grooves creates a detachable structure, allowing users to increase the inner tube’s radius when removing the guide rods and thereby create new guiding channels on the inner wall, enabling flexible adjustment of the effective diameter as needed, thus enhancing practicality and reducing costs. Furthermore, by designing slender, hollow protrusions and filling them with vitrified microspheres, a flame-retardant framework can be established on the rubber surface of the shock-absorbing sleeve, improving the pipe’s overall flame‑retardant performance and achieving fire‑protection goals. The complementary connection between the protrusions and grooves strengthens their engagement. The cross-section of the guide rod in this stainless steel pipe for food machinery is elliptical, with its major axis positioned radially within the inner tube, and the rod itself is hollow. The depth of the groove exceeds half the major radius of the guide rod; inserting an elliptically shaped guide rod to a specific depth within the groove provides restraint, preventing displacement, simplifying operation, and lowering costs. Finally, the inner surface of the rubber shock-absorbing sleeve is equipped with arcuate protrusions, while the outer surface of the inner tube features arcuate grooves that correspond to these protrusions.

In summary, the aforementioned Stainless steel tubes for food machinery Not only does it provide shock‑absorption, but it also secures the rubber vibration‑isolating sleeve to the outer wall of the inner tube, preventing movement. The interior of the arcuate protrusions is hollow, and they are filled with sound‑absorbing cotton. This hollow structure enhances the shock‑absorbing performance of the rubber sleeve, while the sound‑absorbing cotton inside the arcuate bumps helps reduce noise.


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A stainless steel pipe for food machinery that effectively prevents loosening.

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A high-strength, durable stainless steel pipe for food-processing machinery.