Ceramic Y-Type Partition Ring | High-Efficiency Packing

Ceramic Y Type Partition Ring

Ceramic Y-type partition ring is a short ceramic ring with internal Y-shaped partitions moulded across its bore. It sits low — its height is about half its diameter — and the Y-shaped walls inside (one or three per ring) split the open centre into several channels. Those partitions do two things: they add a lot of ceramic surface for the gas and liquid to meet on, and they set up turbulence that mixes the two phases thoroughly, so the ring transfers mass about 30 to 60 percent better than a plain Raschig ring while keeping the pressure drop low. It is fired from ceramic — alumina, silicon carbide or kaolin — so it stands up to about 1000 degrees and to acids, alkalis and organic solvents. Sizes 25 to 80 mm; model RJ-218.

Short ceramic ring with internal Y-shaped partitions dividing the bore into channels.
Partitions add surface and stir turbulence — mass transfer up about 30 to 60 percent.
Low pressure drop; surface area to about 240 m²/m³ in the standard sizes.
Ceramic (alumina, SiC or kaolin); withstands about 1000 degrees, acids and alkalis.
Sizes 25 to 80 mm; real per-size data below; model RJ-218.

Technial Parameters

Specification	Size D×H×wall (mm)	Surface area (m²/m³)	Free volume (%)	Pieces per m³	Bulk density (kg/m³)	Dry packing factor (m⁻¹)
φ25	25 × 13 × 2	240	74	87,000	760	390
φ38	38 × 20 × 3	160	75	27,600	740	260
φ50	50 × 30 × 4	138	75	10,100	745	233
φ80	80 × 50 × 9	90	70	1,910	710	262

Size is diameter × height × wall thickness (mm).

Property	Value
Product Type	Ceramic random packing (Y-type partition ring)
Structure	Short ring (height about ½ diameter) with internal Y-shaped partitions (1 or 3)
Material	Ceramic — alumina (Al₂O₃), silicon carbide (SiC) or kaolin
Model NO.	RJ-218
Standard Sizes	φ25, φ38, φ50, φ80 mm
Surface Area	90–240 m²/m³ (partitioned design; up to ~800 in finer types)
Free Volume	70–75%
Bulk Density	710–760 kg/m³
Dry Packing Factor	233–390 m⁻¹
Max Temperature	About 1000 °C
Colour	Creamy white
Advantages	High surface area, high mass transfer (+30–60% vs Raschig), low pressure drop, acid/alkali/solvent resistant
Applications	Distillation, absorption, stripping; chemical, oil and environmental processes
Trademark	RONGJIAN
Origin	China
HS Code	6909110000
Transport Package	Carton box / ton bag / steel drum

FAQs

What is a ceramic Y-type partition ring, and how is it built?

A ceramic Y-type partition ring is a ring-shaped packing with extra walls built inside it. Start with a short ceramic ring, its height only about half its diameter, so it is squat rather than tall, then add one or three Y-shaped partitions running across the open bore. Those internal walls are what set this packing apart from a plain ring. Where an ordinary ring is hollow in the middle, the partition ring has its centre divided into several small channels by the Y-walls. That gives the packing far more internal surface than a hollow ring of the same size, and it turns the straight path through the ring into a set of twisting channels. The whole piece is fired from ceramic, so it is hard, heat-proof and chemically resistant. In short, it is a ring with an internal Y that carves its bore into channels.

How do the Y partitions improve the ring's performance?

Everything the partition ring does better comes from those internal Y-walls. First, surface: by filling the bore with partitions, the ring exposes much more ceramic to the gas and liquid than a hollow ring would, and mass transfer scales with surface. Second, turbulence: the liquid and gas cannot run straight through, so they are forced around the partitions and mixed thoroughly rather than sliding past each other. Together those effects lift the mass-transfer efficiency by roughly 30 to 60 percent over a conventional Raschig ring. And because the channels are shaped to guide the flow rather than choke it, the pressure drop stays low, so the gain in efficiency does not cost extra pumping energy. More surface plus more mixing, at a low pressure drop, is the whole case for the partitioned design.

What is it made of, and what conditions can it take?

The ring is a fired ceramic, and the exact body is chosen for the service, commonly alumina, silicon carbide or a kaolin-based clay. Whichever it is, ceramic gives the packing two things metal and plastic struggle to match together: it takes very high heat, up to about 1000 degrees, and it resists acids, alkalis and organic solvents at the same time, without corroding. That is why it is trusted in hot, chemically severe towers where a plastic would melt and a metal might corrode. The trade, as with any ceramic, is that it is heavier and more brittle than metal, so it wants careful handling and loading. Tell us the temperature and the chemistry and we will confirm the ceramic body.

What is a ceramic Y-type partition ring used for?

The ceramic Y-type partition ring is used where a tower needs precise separation or reaction and the conditions are hot or corrosive. Typical duties are distillation, absorption and stripping, in chemical processing, oil refining and environmental plants. The reason it is picked over a simpler ring is the combination it offers: high mass-transfer efficiency from its partitioned surface and turbulence, a low pressure drop that saves energy on high-throughput columns, and a ceramic body that handles about 1000 degrees and aggressive chemistry. Where the separation must be sharp and the environment is punishing, the partition ring earns its place. Send us the process, the temperature and the tower size and we will confirm the size and the ceramic.

The ceramic Y-type partition ring takes an ordinary ring and builds Y-shaped walls inside it. The ring itself is short, roughly twice as wide as it is tall, and across its open bore run one or three Y-shaped partitions. Those partitions are the point of the design. They fill the hollow centre with ceramic surface, so the gas and liquid have far more area to meet on than a plain ring offers, and they break the straight path through the ring into twisting channels that force the two phases to mix. The result is much better contact at a low pressure drop, and because the whole piece is fired ceramic, it does its work in heat and chemistry that would defeat metal or plastic.

What the partitioned design gives you:

Feature	What it does
Internal Y-shaped partitions (one or three)	Fill the bore with ceramic surface for more gas-liquid contact
Turbulent internal channels	Force thorough mixing, mass transfer up about 30 to 60 percent over a Raschig ring
Short ring (height about half the diameter)	Compact, stable, freely draining bed at a low pressure drop
Ceramic body (alumina, SiC or kaolin)	Withstands about 1000 degrees and acids, alkalis and solvents

That mix makes it a strong choice for demanding separations and reactions — distillation, absorption and stripping in chemical, oil and environmental plants, especially where the column runs hot or corrosive. It is made in φ25, φ38, φ50 and φ80 mm; the per-size surface area, void and packing factor are tabulated above. To size a bed, send us the tower, the operating temperature and the medium, and we will match the ring size and the ceramic.