Explore factory-direct chemical packing, biological substrates, and precision catalyst bed media manufactured under ISO 9001:2015 strict quality control in Pingxiang, China.
Maximizing hydraulic settling efficiency through shallow basin kinematics, laminar boundary layer control, and self-cleaning sloped channels.
Sedimentation basin capacity is fundamentally governed by surface area rather than detention time. According to Allen Hazen’s formulation ($q_0 = Q / A$), introducing hexagonal honeycomb inclined tubes divides a deep sedimentation tank into hundreds of shallow, micro-settling channels. This drastically curtails the particle vertical travel distance from 3–5 meters down to just a few centimeters, yielding instant floc dropout.
Standard sedimentation basins often suffer from wind-induced short-circuiting, density currents, and turbulence. Zhongtai’s isometric hexagonal geometry restricts the hydraulic radius ($R_h$), keeping the Reynolds number strictly below 500 ($Re < 500$) and pushing the Froude number above $10^{-5}$. This ensures complete laminar flow, prohibiting vortex formation and preventing already-flocculated sludge from re-suspending.
Thermal-welded at a rigid 60-degree inclined angle, the hexagonal cellular matrices enable counter-current phase separation. While treated water flows upward toward effluent collection launders, settling solids consolidate along the lower dihedral angle of each hexagon, sliding downward under gravity. The concentrated sludge continuously slips back into the bottom hopper without clogging or requiring motorized mechanical wipers.
When upgrading an existing rectangular or circular clarifier basin with Zhongtai Hexagonal Inclined Tubes, the effective projected surface settling area $A_{eff}$ is calculated as: $A_{eff} = A_{plan} \cdot (\cos\theta + L \cdot \sin\theta / d)$, where $\theta = 60^\circ$, $L$ represents tube length (typically 1000mm), and $d$ is the inscribed circle diameter. This engineering leap allows EPC contractors to increase volumetric throughput by 250% to 400% without incurring expensive civil construction or land acquisition costs.
Factory-direct wholesale pricing tiers based on raw polymer market values, thickness specifications, and container volume tiers (FOB / CIF Global Ports).
| Inscribed Dia. (Φ) | Material Grade | Sheet Thickness | Specific Surface Area | Standard Block Size | Wholesale Tier (>100 m³) | Wholesale Tier (>500 m³) |
|---|---|---|---|---|---|---|
| Φ 25 mm | Virgin PP / Food PVC | 0.50 mm – 0.60 mm | 160 m²/m³ | 1000 × 500 × 866 mm | $34.50 – $38.00 / m³ | $29.50 – $32.00 / m³ |
| Φ 35 mm | Polypropylene (PP) | 0.55 mm – 0.70 mm | 135 m²/m³ | 1000 × 500 × 866 mm | $31.00 – $34.50 / m³ | $26.80 – $29.00 / m³ |
| Φ 50 mm (Standard) | Polypropylene (PP) | 0.60 mm – 0.85 mm | 110 m²/m³ | 1000 × 1000 × 866 mm | $26.00 – $29.50 / m³ | $22.50 – $24.80 / m³ |
| Φ 50 mm (Heavy) | Unplasticized PVC | 0.80 mm – 1.00 mm | 110 m²/m³ | 1000 × 1000 × 866 mm | $32.00 – $36.00 / m³ | $28.00 – $31.00 / m³ |
| Φ 80 mm | High-Impact PP / PVC | 0.80 mm – 1.20 mm | 75 m²/m³ | 1000 × 1000 × 866 mm | $28.50 – $33.00 / m³ | $24.00 – $27.50 / m³ |
| Custom FRP | Isophthalic Resin | 1.20 mm – 2.00 mm | Customized | Engineered Blocks | Quote on Drawing | Project Contract |
Choose Φ25mm for fine particle / low-turbidity drinking water clarification; Φ35mm-50mm for general municipal wastewater; and Φ80mm for coal slurries and heavy grit.
Constructed with virgin homo-polymer or co-polymer PP mixed with hindered amine light stabilizers (HALS), resisting intense outdoor solar UV radiation without embrittlement.
Orders can be dispatched as fully welded structural blocks or as compact nested loose sheets, reducing ocean freight shipping volume by up to 75% for massive global projects.
Direct manufacturer tiers offer competitive cost advantages for large EPC contractors, municipal frameworks, water treatment distributors, and system OEMs worldwide.
Harnessing two decades of specialized manufacturing depth in Pingxiang, Jiangxi Province—China’s global capital for chemical packing and water filtration media.
Operating directly inside Pingxiang’s advanced industrial ecosystem gives Pingxiang Zhongtai Environmental Chemical Packing Co., Ltd. instantaneous access to dedicated chemical-grade polymer supplies. Raw polymer granule procurement, antioxidant blending, and UV stabilizing masterbatches are localized within an ultra-short radius, eliminating supply chain disruptions and buffering our wholesale clients against raw material volatility.
Our modern plant utilizes multi-line automated vacuum suction molding and continuous high-pressure thermoforming machinery. Each sheet’s hexagonal corrugation is pressed with microscopic thickness uniformity (tolerance within ±0.02 mm). The continuous cooling loops lock molecular chain orientation into the polymer, guaranteeing that our inclined plates will not suffer creep deformation or sag under hydrostatic head pressure.
With dozens of high-speed thermoforming presses and semi-automated thermal welding stations, Zhongtai commands an active monthly production capacity exceeding 2,500 cubic meters. Whether supplying standard 40HQ container shipments to regional distributors or fulfilling emergency multi-thousand cubic meter municipal retrofit orders within 15 days, our high throughput guarantees punctual delivery.
Every production batch undergoes comprehensive mechanical and material testing: ISO 527 tensile strength, Charpy notched impact resistance, Shore hardness, and ASTM D1525 Vicat softening temperature validation. Complete QA test certificates (MTC) accompany every Bill of Lading.
Connected via direct express freight corridors to Ningbo, Shanghai, and Shenzhen container terminals, Zhongtai expedites rapid customs clearance and secure container dispatch. We maintain long-term space commitments with major ocean lines, dampening global shipping rate shocks.
Having engineered chemical packings, catalyst supports, and tower internals since 2003, our master technicians and tooling die designers bring deep process expertise to every custom corrugated angle, nesting notch, and interlocking rib profile.
From custom structural reinforcement to optimized containerized freight calculations, we eliminate technical and logistical hurdles for international procurement managers.
While standard blocks measure 1000×500×866mm or 1000×1000×866mm, our computerized CNC cutters slice diagonal ends to match circular clarifiers, peripheral launders, or irregularly shaped heritage concrete basins.
For open-air basins in high-irradiance regions (Middle East, Latin America, Southeast Asia), we fortify polymer blends with 1.5%–2.5% premium Carbon Black or UV-326 stabilizers to ensure a 15-year operational lifespan.
Water saturation and hydraulic surges can lift unanchored plastic blocks. Zhongtai provides turn-key anti-flotation retainers, top restraint grids, and SS304/SS316 support beam load calculations to prevent module lifting.
By nesting un-welded corrugated sheets into compact timber crates or steel racks, a single 40HQ container accommodates up to 260 cubic meters of effective settler media, slashing international freight costs by over 70%.
Guaranteed compliance with international potable water health thresholds, strict environmental standards, and comprehensive on-site installation support.
When used in municipal potable water treatment, media must be entirely free from heavy metal leaching (lead, cadmium, arsenic) and volatile organic release. Zhongtai supplies virgin food-grade PP and specialized non-toxic PVC resins tested to meet NSF/ANSI Standard 61 drinking water contact criteria and FDA Title 21 CFR 177 regulations, guaranteeing zero secondary taste, odor, or micro-contaminant migration into municipal mains.
Export consignments dispatched to the European Union and North America strictly comply with EU REACH (EC 1907/2006) candidate list of Substances of Very High Concern (SVHC) and RoHS Directive 2011/65/EU. Our plastic formulations eliminate harmful ortho-phthalate plasticizers, chlorinated paraffins, and brominated flame retardants, ensuring total eco-friendly compliance throughout the media life cycle and eventual recycling.
For clients purchasing nested loose sheets to reduce freight, Zhongtai supplies specialized high-efficiency thermal bonding iron heads, automated temperature controllers, and industrial welding guns. We accompany each project with detailed CAD layout prints, step-by-step video training manuals, and direct remote engineering assistance to ensure your local installation team achieves factory-grade weld shear strength on site.
Proven operational performance across municipal waterworks, harsh chemical processing, mining dewatering, and high-load wastewater treatment plants.
Service: Coagulation & Flocculation Clarifiers.
Media: Φ35mm / Φ50mm Virgin PP.
Outcome: Replaced aged flat settling basins; elevated peak raw water intake handling from 40,000 m³/day to 110,000 m³/day while dropping finished water turbidity below 0.8 NTU.
Service: Heavy Metal Hydroxide Precipitation.
Media: Φ50mm Acid/Alkali Resistant PP.
Outcome: Achieved continuous settling of Cu²⁺, Ni²⁺, Cr⁶⁺ hydroxide precipitates without plate dissolution, consistently satisfying municipal environmental discharge limits.
Service: High-Solids Thickener Optimization.
Media: Φ80mm Heavy-Duty PVC / FRP.
Outcome: Resists severe abrasion from suspended silica particles and coal fines; doubled underflow solids concentration and freed up clean water for closed-loop mineral recycling.
Service: Fiber Reclamation & Color Clarification.
Media: Φ50mm PP Inclined Tube.
Outcome: Traps fine cellulose fibers and polymer coagulants efficiently, eliminating secondary bio-reactor filter blinding and lowering overall chemical flocculant consumption by 18%.
Next-generation advancements in polymeric coatings, anti-biofouling nanocomposites, and smart digital integration shaping modern sedimentation infrastructure.
Modern clarification basins exposed to heavy direct sunlight face severe green algae growth that clogs inclined openings. Zhongtai is engineering nano-silver and zinc-pyrithione compounded polymers that suppress biofilm attachment without leaching biocides into effluent streams.
Advanced Computational Fluid Dynamics (CFD) modeling has paved the way for modified hexagonal profiles with asymmetric, variable-slope dihedral vertices. These induce low-shear boundary vortex shedding, expediting fine sludge drop-off without channel bridging.
Integration with automated sonar sludge interface detectors and underwater automated suction scouring crawlers ensures that sludge blankets are purged precisely when levels near the bottom skirt of the honeycomb media, avoiding bed blinding.
In response to international carbon-neutral infrastructure initiatives, our research and development facility in Pingxiang is prototyping high-tensile, 100% mechanically recyclable polypropylene grades with reduced embedded carbon footprints.
Specific, specification-grade answers directly from Zhongtai’s chemical engineering and manufacturing team.
Complete your facility's mass transfer, mist elimination, gas purification, and catalyst support requirements with factory-direct solutions from Pingxiang Zhongtai.
