Factory-direct tower internals manufactured in our Pingxiang facility, designed to meet the rigorous specifications of global petrochemical, chlor-alkali, and environmental engineering facilities.
Random dump packings in chemical absorption columns rely on continuous interfacial surface renewal without imposing parasitic aerodynamic drag on gas moving blowers. The Plastic Super Saddles Ring (frequently designated in engineering literature as the Super Intalox Saddle geometry) represents a dramatic leap forward from legacy Berl saddles and smooth-walled cylindrical Raschig rings.
Traditional smooth saddle profiles suffer from nested blind zones, where contiguous saddle faces interlock, choking the interstitial void fraction (ε) and inducing liquid channeling. Plastic super saddles incorporate scallop-cut peripheral rims and arched stiffening ribs that physically inhibit nested packing orientations, maintaining interstitial void fractions above 78%–84%.
Equipped with perforated drain slots and notched planar drip points, the super saddle structure forces downward percolating liquid films to repeatedly divide, detach, and coalesce. This continuous surface film regeneration maximizes the liquid-side mass transfer coefficient (kL), accelerating gas dissolution rates in acid fume scrubbing and stripping services.
By harmonizing the volumetric gas-liquid contact efficiency, plastic super saddles exhibit significantly decreased Height Equivalent to a Theoretical Plate (HETP). Column designers can downsize overall column shell heights by 15%–25% or achieve lower parts-per-million (ppm) vent emissions within pre-existing tower vessels during revamp projects.
Zhongtai plastic super saddles are custom compounded to resist exact thermodynamic, corrosive, and mechanical loads encountered across distinct localized manufacturing zones.
Operating Zone: Thermal power plants and municipal waste-to-energy plants in Germany, Poland, and China.
Duty: Packed absorption towers utilizing limestone-gypsum or sodium caustic wash slurries. Polypropylene (PP) and glass-reinforced polypropylene (RPP) super saddles resist abrasive slurry scaling, maintaining continuous vapor passage without plugging.
Operating Zone: Chemical manufacturing clusters in the Gulf Coast (USA), Jubail (Saudi Arabia), and Jiangsu (China).
Duty: Direct contact cooling and drying of chlorine gas with concentrated sulfuric acid or caustic neutralization. PVDF (Polyvinylidene Fluoride) super saddles deliver superior chemical inertness against aggressive nascent chlorine radicals and chlorate salts up to 135°C.
Operating Zone: Advanced fab corridors in Hsinchu (Taiwan), Gyeonggi-do (South Korea), and Arizona (USA).
Duty: Neutralization of hazardous gaseous hydrides (SiH4, PH3) and acid vapors (HF, HNO3). Cleanroom-grade pure virgin fluoropolymer (PFA/PVDF) super saddles prevent metal trace leaching and resist hydrofluoric chemical dissolution that would destroy ceramic packings.
Operating Zone: Municipal reclamation plants and fertilizer manufacturing sites in Southeast Asia and Latin America.
Duty: Counter-current air stripping of free NH3 from digestate effluent. High-rigidity PVC and CPVC super saddles provide economical surface area while resisting biological biofilm slime overgrowth and bicarbonate encrustation.
Continuous innovation in polymer physics is redefining tower performance limits. Pingxiang Zhongtai is executing a targeted multi-stage technological roadmap to elevate random packing thermodynamic thresholds.
Objective: Overcoming native polyolefin hydrophobicity. Raw polypropylene exhibits high aqueous contact angles (>90°), causing liquid streams to bead rather than form uniform films. Zhongtai's advanced plasma surface discharge process grafts polar hydroxyl (-OH) groups, lowering contact angles to below 38° and increasing effective wetted interfacial area (aw) by up to 28% without modifying bulk mechanical creep properties.
Objective: Mitigating electrostatic discharge risks in VOC condensation towers handling flammable hydrocarbons (benzene, hexane, toluene). By integrating multi-walled carbon nanotubes (MWCNTs) directly into the polypropylene melt matrix, surface resistivity is reduced from 1014 Ω/sq to <106 Ω/sq, ensuring full compliance with European ATEX and American NFPA safety directives for hazardous explosive atmospheres.
Objective: Bridging the thermal divide between plastics (<130°C) and metals/ceramics (>250°C). Zhongtai's developmental pipeline includes precision tooling for Polyetheretherketone (PEEK) and aliphatic polyketone (POK) super saddles. These materials maintain structural elasticity and compressive modulus up to 220°C, providing total chemical corrosion resistance without the heavy bulk weight and brittleness of ceramic packing rings.
Pingxiang City in Jiangxi Province represents the undisputed global epicenter of industrial chemical packing and ceramic media fabrication. Sourcing direct from Pingxiang Zhongtai provides unmatched structural supply chain advantages that international trading intermediaries cannot match.
Within a 20-kilometer radius of our Pingxiang Hi-Tech Industry Park factory sits a dense infrastructure of polymer compounding, masterbatch additive synthesizers, precision CNC mold fabrication workshops, and testing laboratories. This localized proximity enables rapid injection die modifications in 7 to 10 days and cushions our production lines against upstream raw resin supply shocks.
Our injection facilities operate multi-cavity hot-runner tooling ranging from 350-ton to 1200-ton clamping force, fitted with robotic demolding manipulators. With continuous 24/7 automated molding cycles, Zhongtai fulfills high-volume refinery turnarounds requiring 500 m3 to 2,000 m3 of plastic super saddles in fractions of standard overseas delivery schedules.
Unlike specialized single-material molders, Zhongtai engineers and casts ceramics, stainless alloys (304, 316L), and engineering plastics under unified management. When a processing tower design requires an acid-resistant ceramic saddle bottom layer topped with lightweight plastic super saddles and a metal mist eliminator mesh, buyers consolidate the entire intern-column BOM with one single supplier.
Empirical design data for hydraulic column sizing calculations. Figures are measured under standardized air-water systems at 20°C and 1.013 bar absolute pressure.
| Nominal Size | Dimensions (D × H × T mm) | Geometric Surface Area (m2/m3) | Interstitial Void Fraction (ε %) | Packing Count (pcs / m3) | Bulk Density (PP kg/m3) | Dry Packing Factor (m-1) | Max Temp (°C) |
|---|---|---|---|---|---|---|---|
| #1 (25 mm / 1") | 25 × 25 × 1.2 | 205 | 84.5% | 110,000 | 58 | 148 | PP: 100°C / PVDF: 140°C |
| #2 (38 mm / 1.5") | 38 × 38 × 1.5 | 160 | 88.0% | 32,000 | 52 | 98 | PP: 100°C / PVDF: 140°C |
| #3 (50 mm / 2") | 50 × 50 × 1.8 | 110 | 91.5% | 11,500 | 46 | 62 | PP: 100°C / PVDF: 140°C |
| #4 (76 mm / 3") | 76 × 76 × 2.5 | 78 | 93.5% | 3,400 | 41 | 39 | PP: 100°C / PVDF: 140°C |
Procurement teams and engineering EPCs demand complete material traceability. Zhongtai produces complete documentation suites accompanying every bulk packaging container.
Each injection lot is subjected to diametric compressive crush strength evaluations (ASTM D695 standard equivalent) to confirm packing bed hold-up integrity under dynamic hydrostatic loads. Melt Flow Index (MFI) and density tests (ASTM D792) ensure that no unapproved regrind or degraded post-industrial plastic compromises structural longevity.
All polymer grades utilized comply strictly with EU RoHS Directive 2011/65/EU and REACH Regulation (EC) No 1907/2006 concerning Substances of Very High Concern (SVHC). For potable water treatment and marine scrubbers, NSF-compliant food-grade virgin resins and halogen-free fire retardants (UL94-V0 classification) are readily furnished upon specification.
Standard shipment utilizes anti-UV, high-tensile 1.0 m3 woven jumbo super sacks equipped with top discharge spouts and bottom tie cords, or sturdy 5-ply cartons strapped to heat-treated fumigation-free wooden or composite pallets. Direct intermodal freight connections through Ningbo, Shanghai, or Shenzhen ensure swift worldwide maritime port transit.
Established in 2003, Pingxiang Zhongtai has expanded from an industrial ceramics workshop into an integrated chemical internals manufacturer. Operating out of the West Section Hi-Tech Industry Park with commercial headquarters in Pingxiang's Economic Development Zone, we manufacture ceramic balls, random and structured metal packing, molecular sieves, and polymeric saddles exported across 6 continents.
Founded in the historic ceramics heartland of Pingxiang, establishing high-capacity tunnel kilns and press lines for inert support spheres and acid tower packings.
South Korean industrial engineering delegations conducted complete on-site facility and ISO quality system audits, approving long-term procurement supply agreements.
Executed long-term EPC partnership contracts with South American chemical refineries and expanded into VOC abatement honeycomb media production.
Key exhibitor at the China International E-commerce Expo and Jakarta Indonesia Industrial Expo, supporting Southeast Asia's rapid chemical manufacturing expansion.
Clear, specification-grade answers addressing hydrodynamic sizing, resin compatibility, shipping logistics, and structural packing considerations.
Complementing our plastic random packings, Pingxiang Zhongtai manufactures complete lines of industrial ceramics, zeolites, and porous bio-media for global process engineers.
Connect directly with our Pingxiang chemical engineering team. Submit your tower diameter, gas/liquid flow rates, operating temperature, and corrosive media data for immediate hydrodynamic packing sizing, volumetric estimates, and competitive FOB/CIF quotation.
