Research and Development Innovation
R&D equipment
Large-scale Cold-Model Experimental Apparatus for Composite Multi-Overflow Tray Columns
Adjacent tower heat-mold experimental setup
Packing and Tray Cold-Model Experimental Apparatus
Chemical Laboratory
Coil-tube heat exchanger experimental setup
R&D equipment
Large-scale Cold-Model Experimental Apparatus for Composite Multi-Overflow Tray Columns
Adjacent tower heat-mold experimental setup
Industry-University-Research Collaboration
Collaboration among multiple universities and research institutions
Tsinghua University
Central South University
East China University of Science and Technology
Institute of Process Engineering, Chinese Academy of Sciences
China University of Petroleum
Zhejiang University of Technology
Patented product
Patent No.: 202020667037.0
Features: The valve body is elliptical in shape and features a guide hole at the top, which reduces the liquid-level gradient, promotes more uniform liquid flow across the tray, increases the tray’s processing capacity, and enhances its efficiency. The unique valve-leg design prevents the floating valve from rotating or detaching, eliminates wear, and ensures a long service life.
High-Throughput Floating Valve
Patent No.: 201922456064.3
Features: The valve body features a hexagonal structure—wide in the middle and tapering at both ends—and is equipped with four pairs of triangular cutouts on the valve top, which maximize gas–liquid contact area and enhance mass transfer, making it a high-capacity, high-efficiency tray. The unique valve-leg design ensures that the floating valve remains stable, does not rotate or detach, experiences no wear, and boasts a long service life.
Corrugated Guide Floating Valve
Patent Number: 2200520042783.6 (East China University of Science and Technology)
Features: On corrugated-guided floating-valve trays, during operation, the gas streams blown out from both sides of the corrugated guiding valves come into contact with the liquid flow on the tray. Meanwhile, the gas streams exiting through the guide holes in the corrugated valve discs achieve even more thorough and uniform contact with the liquid flow, while also reducing the vertical component of the gas velocity. The larger cross-sectional area of the gas channels on either side of the floating valves significantly diminishes the counterflow between the vapor and liquid phases, thereby improving the tray’s hydrodynamic performance and substantially enhancing its processing capacity and efficiency.
Patent Number: 201920025586.59 (East China University of Science and Technology)
Features: The valve body is automatically stamped from the tray, securely mounted on the tray, and provides excellent fluid flow, making it suitable for systems containing solid impurities and those prone to coking. Compared with floating-valve trays, it features lower pressure drop and lower capital cost; compared with sieve-tray trays, it offers higher efficiency and greater operational flexibility.
Patent No.: 201922174449.0
Features: The valve body is circular, with three guide holes at the top. Compared with conventional F1 sieve trays, this design significantly reduces the liquid-level gradient, resulting in more uniform mass transfer and a substantial increase in tray efficiency. The unique valve-leg structure prevents the floating valves from rotating or detaching, eliminates wear, and ensures a long service life. When paired with BN-V heavy-duty valves, it delivers even greater operational flexibility.
Three-Channel Double-Row Blades (a CCUS Gas Distribution Device)
Patent Number: 202520413141.X
Features: The CCUS gas distribution device is designed such that, as gas enters the gas flow channel, it is directed by two sets of primary guide vanes to spread laterally to both sides of the device, thereby achieving uniform horizontal gas distribution. Simultaneously, the gas can also pass through the vent holes in the upper frame and diffuse upward, enabling upward gas flow and compensatory distribution at the top of the CCUS gas distribution device. This enhances gas flow efficiency, provides a larger gas-phase equilibrium space, improves the effectiveness of uniform gas distribution, and reduces manufacturing costs.
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