The pillow-shaped embossed structure generates three-dimensional flow turbulence, significantly enhancing heat transfer performance. The resulting heat transfer coefficient is 20–50% higher than that of conventional jacketed systems.

Uniform distribution of the heating and cooling media ensures stable tank wall temperatures with minimal fluctuations (±1–2°C), making the system especially suitable for precise process control of heat-sensitive materials, including biopharmaceutical products and fine chemicals.

The pillow jacket is fabricated through integral pressing and laser welding, forming a honeycomb-like stiffened structure that provides both enhanced heat transfer performance and pressure-bearing capability.The pillow jacket is capable of withstanding jacket-side pressures of 1.6–3.0 MPa or higher, offering superior pressure resistance compared with conventional half-pipe jackets (typically ≤1.0 MPa). In addition, it functions as an external stiffening layer for the vessel, allowing a reduction in the main shell wall thickness and achieving material savings.

Through flexible forming processes, pillow plates can be precisely adapted to conical heads, elliptical bottoms, and complex-shaped vessels, achieving full-surface heat transfer coverage.

The smooth, crevice-free surface eliminates dead zones where materials can accumulate, coke, or support microbial growth, ensuring excellent cleaning performance during CIP/SIP operations.

The fully welded, gasket-free and flange-free construction eliminates leakage risks caused by gasket aging and seal degradation, providing a design service life of 15–20 years.

Beyond being a next-generation replacement for conventional jackets, it represents a key technology pathway for advanced process equipment to achieve precise thermal control, intrinsic safety, and sustainable manufacturing.