Crane Selection Guide for Biotech Fermentation & Enzyme Production
Bio-fermentation and enzyme manufacturing (fermenters 10–100 t/unit, disc centrifuges 1–3 t/unit, chromatography columns 2–5 t/unit, spray dryers 3–8 t/unit) rely primarily on stainless steel vessels and precision equipment. Recommended setup: LD single-girder 5–10 t stainless steel crane + KBK 2 t with cleanroom lifting spreader + mobile gantry + electric flat car. Kelude's bio-fermentation solutions feature full SUS304/316L stainless steel construction with GMP cleanroom design.
From fermentation and enzyme production through cultivation, separation, purification, and drying, the entire process relies primarily on stainless steel (304/316L) tanks and piping. Cleanliness requirements range from Class 10,000 to Class 100,000 (GMP), with internal surface roughness of Ra≤0.8μm. Surface protection during equipment installation is critical—even minor scratches on tank surfaces can create dead zones that compromise CIP cleaning. This article outlines a complete lifting and handling solution for the full production process.
Fermenter Installation: Large Stainless Steel Tank Assembly & Welding
Fermenters (10–100t per unit, φ2–5m × H5–15m) are installed on-site following this procedure: foundation acceptance → sectional hoisting of tank segments (5–15t each) → tack-up and welding → internal surface polishing (Ra≤0.8μm) → pressure testing (0.3–0.5MPa) → insulation layer → piping connections. Fermenters are interconnected via pipe racks, and valve and instrumentation installation requires coordinated multi-point lifting.
Recommended model: LD Type single-girder electric crane, 5–10t capacity / 12–18m span, stainless steel configuration (stainless steel hoist + galvanized crane rail + nylon sling + silicone pad). Tank flipping and tack-up use a C-type rubber-coated lifting spreader (polyurethane coating, 10mm thick) with a welding positioner. Polishing is handled by a dedicated polishing jib crane.
Price reference: LD single-girder crane, 5t / 15m span: approximately $7,400–$14,800 per unit; stainless steel hoist adds roughly 25%. Kelude's fermenter solution includes stainless steel lifting spreaders, tank protection silicone pads, and PE film wrapping.
Separation & Purification: Precision Installation of Centrifuges, Columns & Membrane Systems
Separation equipment (disc-stack centrifuges, 1–3t per unit, rotational speed 5,000–10,000rpm) requires installation levelness of ≤0.05mm/m. Purification equipment (chromatography columns, 2–5t per unit, packed with Sepharose resin at approximately $740/L) demands shock-proof handling (acceleration ≤2g) and temperature-controlled storage (2–30°C). Membrane systems (hollow fiber / spiral wound, 500–2,000kg per skid) are prone to membrane element damage.
Recommended model: KBK flexible modular crane, 2t capacity, paired with a precision lift platform (micro-motion ±1mm) covering the separation and purification area. Column installation uses a mobile gantry (3t load capacity, stainless steel construction) with a shock-absorbing transfer trolley. Centrifuges are moved using an air-cushion transport system.
Price reference: KBK 2t system: approximately $5,900–$11,900 per set; mobile gantry, 3t: approximately $3,000–$5,900 per unit. Kelude's purification solution includes a precision lift platform, dedicated column transfer cart, and acceleration inspection report.
Drying & Packaging: Spray Dryer Tower and Finished Product Line
Spray drying towers (3–8t per unit, H10–20m) convert fermentation broth into enzyme powder. Internal tower surfaces require cleaning every 1–2 years to remove product buildup. An electric hoist is installed at the tower top for raising and lowering the cleaning basket. The packaging line (filling / sealing / weighing) is fully automated, with filling accuracy of ±1g.
Recommended model: LD Type single-girder electric crane, 3–5t capacity / 8–12m span, covering the spray dryer area. Tower-top electric hoist, 250kg, with stainless steel basket. Packaging line equipped with automatic filling, weighing, metal detection, and AGV offloading.
Price reference: LD single-girder crane, 3t: approximately $3,000–$7,400 per unit. Kelude's drying solution includes an in-tower cleaning basket, safety fall arrester, and stainless steel wire rope.
Lifting Configuration Comparison for Bio-Fermentation Facilities
| Process | recommended model | tonnage | Material/requirements | reference price |
|---|---|---|---|---|
| Fermenter | LDStainless Steel+nylon sling | 5~10t | SUS304/316L/Ra≤0.8 | 5~1010,000 |
| Separation and Purification | KBK+Mobile Gantry+Shock-Absorbing Trolley | 2~3t | Plusspeed≤2g/Cleanroom | 4~1210,000 |
| Drying and Packaging | LD+Tower Top Electrical Hoist+AGV | 3~5t | Stainless Steel+fall arrester | 2~710,000 |
Kelude Service Advantages for Biopharma Fermentation
Kelude Heavy Industry's biopharma fermentation solutions feature full SUS304/316L stainless steel construction, nylon and silicone lifting slings, and GMP-compliant cleanroom design — delivering zero-damage handling with surface roughness maintained at Ra ≤ 0.8 μm.
All-Stainless-Steel Configuration
Stainless steel hoist, galvanized crane rail, nylon slings, and silicone pads — zero surface damage to stainless steel vessels.
Precision Equipment Handling
Precision lift platforms, shock-absorbing transport carts, and air-cushion systems keep centrifuge and chromatography column acceleration at or below 2 g.
FAQ — Fermentation Vessel Handling & Hoist Configurations
Q: How do you protect the polished stainless steel inner surface of a fermenter?
A: After mirror polishing (Ra ≤ 0.8 μm), any scratch on the fermenter's inner wall compromises CIP cleaning effectiveness. Protection measures: ① No wire rope inside the vessel — use nylon slings with silicone protective pads instead; ② Wrap the vessel exterior with PE film and purge with nitrogen; ③ Lifting lugs are welded to the head reinforcing plate, keeping the inner wall untouched; ④ Ship the vessel in sealed, gas-filled moisture-proof packaging. Kelude's solution includes a full-wrap vessel protective cover with a nitrogen purge port.
Q: What crane coordination is required for packing chromatography columns?
A: The column packing process (Sepharose resin) works as follows: ① Use a mobile gantry to lift the column onto the packing platform; ② Fill the column with 20% ethanol to purge air; ③ Vacuum-degas the resin for 30 minutes, then pour it in through the feed port; ④ Use a packing tool (assisted by a KBK crane) to compress the resin to 85–90% of the column height; ⑤ Close the top and bottom flanges to complete packing. The entire process takes 2–4 hours, with the column kept perfectly vertical throughout (tilt ≤ 1°). Kelude supplies a vertical column lifting spreader and packing tool support platform.
Q: What specifications should the electric hoist on top of a spray dryer tower meet?
A: The tower-top electric hoist (250 kg) requires: ① Stainless steel construction (304 grade) for corrosion resistance; ② IP55 protection rating (steam escapes at the tower top); ③ Overload protection with upper and lower limit switches; ④ 316L stainless steel wire rope for rust prevention; ⑤ A floor-mounted control box for operator convenience. The in-tower cleaning basket (200 kg load capacity) must be fitted with a safety fall arrester (locking distance ≤ 200 mm). Kelude's tower-top hoist package includes a stainless steel basket, fall arrester, and overload alarm.
Q: What material requirements apply to cranes in a biopharma cleanroom workshop?
A: Crane requirements for cleanroom areas (Class 10,000–100,000 / GMP): ① Hoist — full stainless steel body (304), hermetic motor (IP54 with sealing cover to prevent carbon dust contamination); ② Crane rail — hot-dip galvanized (zinc layer ≥80 μm); ③ Chain — 304 stainless steel (standard chain rusts and sheds particles); ④ Lubricating oil — food-grade white oil (H1 grade, NSF certified); ⑤ Control box — located outside the cleanroom or inside a positive-pressure enclosure. Kelude Heavy Industry's cleanroom solutions provide particle detection reports (≥0.5 μm particles ≤352,000 pcs/m³).
