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Split-type Baijiu Distillation Pot

Updated: 2026-07-22

Overview

The split-type baijiu distillation pot is an industrial-grade apparatus designed for traditional Chinese liquor manufacturing. Unlike conventional stills, its modular construction separates the boiler, distillation column, and condenser, allowing targeted temperature management and scalability. Developed to meet GMP standards, it preserves the complex ester profiles characteristic of baijiu while improving yield by 15-20% compared to traditional earth kilns. Modern versions integrate food-grade stainless steel with steam jacket heating, replacing direct-fire methods to prevent scorching. Leading manufacturers offer capacities from 200L to 10,000L, catering to craft distilleries and large-scale operations. The design complies with China's GB150-2011 pressure vessel regulations for industrial safety.

Structure and Working Principle

Structurally, the system comprises three interlinked modules: a fermentation mash boiler, multi-tray distillation column, and tubular condenser. The boiler heats grain mash to 78-85°C, creating alcohol-laden vapor that rises through the column's perforated plates. Each plate acts as a mini-distillation stage, enriching the vapor's volatile compounds. The condenser then liquefies the vapor using circulating coolant, with separate outlets for heads (initial impure distillate), hearts (main product), and tails. Advanced models feature PLC-controlled temperature zones and sight glasses for process monitoring. The split design permits simultaneous cleaning and operation, significantly reducing downtime between batches.

Key Features

1. Material Integrity: 316L stainless steel contact surfaces resist acidic fermentation byproducts and chloride corrosion, extending service life beyond 10 years with proper maintenance. 2. Energy Efficiency: Steam jackets reduce thermal energy consumption by 30% versus direct heating, with waste heat recovery options available. Precise temperature control (±1°C) prevents undesirable congener production. 3. Customizable Configurations: Distilleries can specify tray numbers (typically 8-20), condenser cooling area, and automated ethanol concentration monitoring. Optional aroma collectors facilitate specialty baijiu production.

Application Areas

Primarily deployed in baijiu production, these systems excel in Maotai-flavor (sauce-aroma) and strong-aroma liquor processing where multi-stage distillation is critical. Smaller units serve experimental batches for flavor development, while industrial-scale installations handle continuous output. Beyond baijiu, adapted versions distill rice wine, medicinal herb extracts, and essential oils. Some craft whiskey producers utilize modified pots for grain spirit trials. The equipment meets export demands in Southeast Asia and Africa for local alcoholic beverage industries.

Maintenance and Precautions

Regular maintenance includes monthly gasket inspections, quarterly descaling with citric acid solution, and annual pressure vessel certification. Always depressurize before opening the boiler, and use pH-neutral detergents for cleaning. Critical precautions involve maintaining water seals in the condenser, avoiding overfilling the mash chamber (≤80% capacity), and monitoring steam pressure (typically <0.4MPa). Install explosion-proof vents and conduct staff training on emergency shutdown procedures. Manufacturers recommend replacing copper mesh in aroma chambers every 500 operating hours.

B2B Procurement Guide

When sourcing, verify the manufacturer's pressure vessel manufacturing license (China TSG 21-2016) and food equipment certification (GB 4806.9-2016). Request material test reports for stainless steel composition. Key procurement considerations include: production capacity matching fermentation scale, availability of spare parts (e.g., silicone seals, temperature probes), and compatibility with existing steam systems. Leading production hubs are Shandong and Sichuan provinces, with OEM services offering 3-10% cost savings. Negotiate FOB terms and confirm compliance with destination country alcohol equipment regulations if exporting.

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