At the heart of core chemical unit operations like distillation towers, absorption columns, and scrubbers, Metal Raschig Rings have stood the test of time. With their simple yet efficient structure and exceptional durability, they consistently play a pivotal role. When forged from high-quality stainless steel - particularly SS304, SS316, and SS316L - their value transcends that of mere packing; they become the robust skeleton supporting continuous, efficient, and stable industrial production.
Application
Empowered by the reliability and adaptability of stainless steel, Metal Raschig Rings prove invaluable across numerous vital industrial sectors:
- The "Separator" for Energy & Chemicals:
- Petroleum Refining: Crude oil atmospheric/vacuum distillation, FCC/hydrocracker fractionators, lube oil refining.
- Natural Gas Processing: Absorption towers in desulfurization (H2S, CO2), dehydration, and sulfur recovery units (SRUs).
- Coal Chemical: Syngas purification (desulfurization/decyanation), coal tar processing, synthesis gas refining.
- The "Efficiency Engine" for Basic Chemicals:
- Acid/Alkali Production: Absorption, drying, purification towers in sulfuric, nitric, hydrochloric acid, and caustic soda production.
- Fertilizer Industry: CO2 removal in ammonia synthesis, urea prilling tail gas scrubbing, ammonium nitrate neutralization & concentration.
- Organic Synthesis: Solvent (alcohols, ketones, esters, aromatics) recovery, distillation & purification columns; monomer (e.g., styrene, vinyl chloride) purification.
- The "Purification Guardian" for Environmental Control:
- Flue Gas Treatment: Flue Gas Desulfurization (FGD) absorbers (especially suitable for corrosive slurry environments) in coal-fired power plants, steel mills, waste incinerators (wet/semi-dry); flue gas denitrification absorbers.
- Exhaust Gas Treatment: VOC (Volatile Organic Compounds) absorption/recovery columns in chemical, painting, semiconductor industries; purification of acid- (HCl, HF), alkali- (NH3), or sulfur- (H2S) containing exhaust gases.
- Wastewater Treatment: Stripping towers for high-concentration ammonia-nitrogen wastewater; extraction columns for toxic wastewater containing phenols, cyanides; neutralization towers for acidic wastewater.
- The "Corrosion Resistance Champion" for Marine & Frontier Fields:
- Seawater Desalination: Key equipment in pretreatment - seawater degassing columns (removing corrosive dissolved gases like oxygen, CO2). SS316/316L is the preferred choice here due to its exceptional chloride ion corrosion resistance.
- Biomass Energy & Fine Chemicals: Bioethanol distillation, biodiesel purification, refining/separation of high-value chemicals (pharmaceutical intermediates, electronic chemicals, fragrances).
Product Parameters
| Size (Inch/mm) |
Specification(mm) |
Bulk density (kg/m3) |
Bulk numbers (per /m) |
Surface area (m²/m³) |
Free volume (%) |
Dry packing factor
m-1 |
| 1/4" |
6*6*0.3 |
900 |
4000000 |
904 |
88.6 |
1307.4 |
| 3/8" |
10*10*0.3 |
480 |
768000 |
482 |
93.8 |
583.8 |
| 1/2" |
13*13*0.3 |
420 |
410000 |
415 |
4.8 |
489.2 |
| 5/8" |
16*16*0.3 |
348 |
201000 |
344 |
95.5 |
393.2 |
| 1" |
25*25*0.4 |
288 |
53500 |
212 |
96.2 |
229.8 |
| 1" |
25*25*0.5 |
367 |
53500 |
216 |
95 |
237.2 |
| 1" |
25*25*0.6 |
439 |
53500 |
219 |
94.2 |
244.1 |
| 1.5" |
38*38*0.4 |
193 |
15000 |
143 |
97.2 |
148.4 |
| 1.5" |
38*38*0.5 |
246 |
15180 |
145 |
96.7 |
151.7 |
| 1.5" |
38*38*0.6 |
328 |
15000 |
146 |
95.9 |
154.6 |
| 2" |
50*50*0.5 |
191 |
6500 |
106 |
97.5 |
115.2 |
| 2" |
50*50*0.8 |
300 |
6500 |
108 |
96.4 |
120.9 |
| 2" |
50*50*1.0 |
380 |
6500 |
109 |
95.4 |
125 |
| 3" |
76*76*1.0 |
265 |
1920 |
69 |
97.4 |
79.6 |
| 3.5" |
90*90*1.0 |
224 |
1220 |
61 |
97.1 |
66.2 |
Detailed Photos
The Metal Raschig Ring employs a fundamental geometric form: a hollow cylinder with an outer diameter equal to its height, typically featuring one or more inwardly bent tangs (or partitions). This seemingly simple design embodies engineering wisdom:
- Balanced Contact: The cylindrical shape ensures relatively uniform contact paths for gas and liquid phases within the packing bed.
- Efficient Distribution: Internal tangs disrupt the tendency for liquid "wall flow," promoting dispersion, convergence, and redistribution of liquid across the packing surface. This significantly enhances effective surface utilization and reduces channeling.
- Throughput vs. Pressure Drop Balance: The structure provides a high specific surface area (surface area per unit volume) to intensify mass transfer, while maintaining high void fraction (proportion of free space in the bed). This ensures excellent fluid passage capacity and lowers system pressure drop.
Product Line
Packaging & Shipping
FAQ
Q1: Where Is Your Factory Located?
A: Our factory are located in No.1-269, Zone B, Xiangdong Industrial Park, Xiangdong District, Pingxiang City, Jiangxi,China.welocme your visiting.
Q 2: What Are Your Main Products?
A:Our factory mainly produces various kinds of ceramic balls, molecular sieves, actived alumina, tower random packing,plastic and metal material, environmental filter materials, high-performance ceramics and so on.
Q3: What Kind Of Payment Do You Accept?
A:we accept T/T,western union.
Q4:What's your terms of delivery?
A:EXW,FCA, FOB, CIF,DAP,DDP.
Q5: Can I get free samples?
A: Yes, free samples 1-2 kg,please advise your contact details.
Q6: What is your MOQ?
A: The MOQ is different as per different products, for example, 1 Ton for ceramic ball.
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