🌿 Industrial Evaporation Technology

Simple Multiple Evaporator System
For Herbal Extract & Essential Oil Production

Advanced multi-effect evaporation solutions engineered for pharmaceutical-grade botanical extraction, delivering maximum energy efficiency and product purity at industrial scale.

Featured Systems

Simple Multiple Evaporator Systems for Herbal & Essential Oil Production

Our simple multiple evaporator systems are purpose-built for herbal extract concentration and essential oil production, combining robust industrial engineering with precision process control to meet the demands of modern botanical manufacturers.

Simple Multiple Evaporator System for Herbal Extract Production

Waste-heat-driven multi-effect evaporation optimized for botanical extract concentration with minimal energy consumption.

Multi-Effect Evaporator for Essential Oil Concentration

Three-effect falling-film evaporation system designed to preserve aromatic compounds and volatile active ingredients.

MVR Evaporator System for Botanical Extract Plants

Mechanical Vapor Recompression evaporator achieving the lowest unit energy consumption for large-scale herbal processing.

TVR Thermal Vapor Recompressor for Herbal Medicine Manufacturing

TVR System for Herbal Medicine Manufacturing

Thermal Vapor Recompression evaporation for continuous, stable concentration of traditional herbal medicine liquids.

Technology Overview

What Is a Simple Multiple Evaporator System?

A Simple Multiple Evaporator System is an industrial evaporation configuration in which steam or vapor generated from one evaporation stage is reused as the heating medium for subsequent stages. This cascaded energy reuse dramatically reduces steam consumption and operating costs compared to single-effect evaporation, making it the preferred technology for high-volume herbal extract and essential oil production facilities worldwide.

⚡ A three-effect multiple evaporator system can reduce steam consumption by up to 60–70% compared to single-effect evaporation — a critical advantage for energy-intensive herbal extract and essential oil production operations running 24/7 at industrial scale.

Feed Introduction

Raw herbal liquid or essential oil extract feed is pre-heated and introduced into the first evaporation effect under controlled temperature and vacuum conditions.

Primary Evaporation

Live steam heats the first effect, generating secondary steam vapor which carries volatile aroma compounds and moisture from the botanical liquid.

Cascaded Heat Reuse

Secondary steam from effect one becomes the heating medium for effect two, and so on — each stage operating at progressively lower pressure and temperature.

Concentrated Output

Concentrated herbal extract or essential oil is discharged at the final effect meeting target Brix or concentration specifications, ready for downstream processing.

Market Landscape

Commercial & Industrial Status of Multiple Evaporator Systems in Herbal & Essential Oil Production

The global herbal extract market exceeded USD 9.5 billion in 2023 and is projected to surpass USD 17 billion by 2032, driven by surging demand for natural health products, traditional medicine, nutraceuticals, and natural cosmetics. Essential oil production is similarly booming, with the global market valued at over USD 12 billion and growing at a CAGR of approximately 8% annually. At the core of both industries lies the concentration and purification process — and simple multiple evaporator systems have become the industrial backbone of this critical manufacturing step.

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Global Market Expansion

Herbal extract and essential oil manufacturers across China, India, the EU, and North America are rapidly scaling production capacity. Multiple evaporator systems are the standard concentration technology adopted in new greenfield facilities, replacing outdated batch evaporation processes with continuous, energy-efficient multi-effect systems capable of processing hundreds of tonnes of botanical liquid per day.

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Industrial Scale Adoption

Leading pharmaceutical and nutraceutical manufacturers — including traditional Chinese medicine (TCM) producers, Ayurvedic extract companies, and European phytopharmaceutical groups — have transitioned to two-effect, three-effect, and MVR-enhanced evaporation systems. These systems handle diverse botanical feeds from delicate flower extracts to robust root and bark concentrates with consistent quality output.

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Energy Cost Pressures Driving Adoption

Rising industrial energy costs have made energy efficiency a top priority for botanical extract producers. Multiple evaporator systems directly address this challenge: a typical triple-effect system evaporates approximately 2.5–3 kg of water per kg of steam consumed, versus just 0.9–1.1 kg/kg for single-effect units. This dramatic improvement in steam economy makes multi-effect systems indispensable for commercially competitive herbal extract operations.

Deep Application Analysis

Key Application Scenarios: Simple Multiple Evaporator Systems in Action

Simple multiple evaporator systems serve a remarkably diverse range of applications within the herbal extract and essential oil production ecosystem. Below we analyze the most commercially significant use cases in depth.

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Traditional Chinese Medicine (TCM) Extract Concentration

TCM manufacturing facilities process thousands of herbal formulations — from astragalus and ginseng to angelica and licorice root — that require precise concentration to standardized active ingredient levels. Multiple evaporator systems enable continuous processing of these complex multi-component botanical liquids at low temperatures (typically 50–70°C under vacuum), preserving heat-sensitive polysaccharides, alkaloids, and flavonoids while achieving target Brix values of 1.25–1.35. Modern three-effect falling-film evaporators purpose-built for TCM extract concentration can process 5,000–20,000 L/hour of dilute herbal decoction, making them essential infrastructure for large-scale TCM pharmaceutical manufacturers.

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Essential Oil & Hydrosol Recovery

In essential oil production, multiple evaporator systems are deployed for concentrating hydrosol distillate waters, recovering trace essential oil components, and processing spent biomass liquids after steam distillation. Low-temperature vacuum evaporation in multiple-effect configurations is critical here — operating temperatures below 45°C preserve the delicate terpene and terpenoid profiles of lavender, rose, chamomile, and other high-value aromatic botanicals. The recovered concentrates are used in perfumery, aromatherapy products, and natural cosmetics, commanding significant price premiums over conventionally processed extracts.

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Pharmaceutical-Grade Botanical Extract Manufacturing

Pharmaceutical manufacturers producing standardized botanical extracts — such as ginkgo biloba extract (24% flavone glycosides), milk thistle silymarin, or echinacea polysaccharides — require GMP-compliant evaporation systems with full CIP (Clean-in-Place) capability, sanitary design, and validated process controls. Simple multiple evaporator systems configured for pharmaceutical service incorporate 316L stainless steel construction, mirror-polished contact surfaces, automated PLC/SCADA control with data logging, and FDA/GMP-compliant documentation. These systems ensure batch-to-batch consistency and product traceability required for regulated pharmaceutical markets in the US, EU, and Japan.

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Natural Cosmetics & Personal Care Ingredient Production

The natural cosmetics industry relies heavily on concentrated botanical extracts — aloe vera gel concentrate, green tea polyphenol extract, centella asiatica extract, and hundreds of others — as active ingredients. Multiple evaporator systems enable cosmetic ingredient manufacturers to produce these concentrates at industrial scale with consistent quality. The gentle low-temperature evaporation preserves the bioactive compounds responsible for anti-aging, anti-inflammatory, and moisturizing properties that make these ingredients commercially valuable. MVR-enhanced systems are particularly favored in this sector for their ultra-low energy consumption and ability to handle viscous, heat-sensitive botanical liquids.

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Nutraceutical & Functional Food Extract Processing

Nutraceutical manufacturers producing plant-based supplements — including elderberry extract, turmeric curcumin concentrate, ashwagandha extract, and adaptogen blends — use multiple evaporator systems as the primary concentration step before spray drying or freeze drying. The ability to handle high-sugar, high-viscosity botanical liquids without fouling or caramelization is a key design requirement. Modern systems incorporate forced-circulation evaporation effects for viscous feeds, combined with falling-film effects for dilute initial stages, providing a flexible multi-effect configuration optimized for the full range of nutraceutical botanical feeds.

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Solvent Recovery & Waste Liquid Treatment

Herbal extract manufacturers using ethanol or other solvent extraction processes generate large volumes of dilute solvent-botanical liquids that must be concentrated and the solvent recovered for reuse. Multiple evaporator systems configured for solvent-resistant service — with explosion-proof electrical systems and solvent-compatible sealing — handle ethanol recovery and botanical concentration simultaneously. This dual function provides significant economic benefit: recovering valuable ethanol for reuse while concentrating the botanical extract in a single continuous process, reducing both operating costs and environmental emissions.

Future Outlook

Development Trends: The Future of Multiple Evaporator Systems in Botanical Production

The technology landscape for multiple evaporator systems in herbal extract and essential oil production is evolving rapidly, driven by sustainability imperatives, digitalization, and the demands of increasingly sophisticated botanical product markets.

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AI-Driven Process Optimization

Next-generation multiple evaporator systems integrate AI-powered process control that continuously optimizes steam consumption, evaporation rates, and product concentration in real time. Machine learning algorithms analyze sensor data from hundreds of process points to predict and prevent fouling, optimize energy use, and maintain consistent product quality — even as feed composition varies with seasonal botanical harvest variations.

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Zero-Carbon & Green Manufacturing

Sustainability regulations and corporate ESG commitments are driving herbal extract manufacturers to adopt MVR-enhanced multiple evaporator systems powered by renewable electricity. Heat pump integration, waste heat recovery, and closed-loop condensate systems are becoming standard features, enabling botanical extract facilities to dramatically reduce their carbon footprint while maintaining production efficiency.

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Inline Quality Analytics

Integration of inline NIR spectroscopy, refractometry, and mass spectrometry sensors directly into multiple evaporator systems enables real-time monitoring of active ingredient concentrations, Brix values, and product purity — eliminating the need for off-line laboratory testing and enabling continuous quality assurance for pharmaceutical and nutraceutical grade botanical extracts.

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Modular & Scalable Design

Modern multiple evaporator systems for botanical applications are increasingly designed as modular, skid-mounted units that can be rapidly deployed, expanded, or reconfigured as production requirements change. This flexibility is particularly valuable for contract botanical extract manufacturers who process diverse product portfolios and need to switch between different herbal feed materials with minimal downtime.

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Digital Twin & Remote Monitoring

Digital twin technology creates virtual replicas of physical multiple evaporator systems, enabling manufacturers to simulate process changes, troubleshoot issues, and optimize performance without interrupting production. Combined with remote monitoring platforms accessible via cloud dashboards, plant managers can oversee multiple evaporator systems across geographically distributed botanical extract facilities from a single interface.

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Water Recovery & Zero Liquid Discharge

Environmental regulations are pushing botanical extract manufacturers toward zero liquid discharge (ZLD) operations. Advanced multiple evaporator systems are being integrated with crystallization, membrane filtration, and wastewater treatment units to achieve ZLD — recovering clean water for reuse in extraction processes while concentrating and safely disposing of residual botanical process liquids.

About The Manufacturer

About Jiangsu Zongheng Concentration & Drying Equipment Co., Ltd.

Jiangsu Zongheng Concentration & Drying Equipment Co., Ltd. (formerly Yixing Yangxi Light Industry Machinery Factory), founded in 1992, is located in Zhoutie Town, Yixing City, on the shores of the beautiful Taihu Lake. The company covers an area of over 54,000 square meters, with a production workshop area of over 22,000 square meters.

54,000+

Company Land Area (square meters)

22,000+

Production Workshop Area (square meters)

30+

Years of Manufacturing Excellence

Senior Engineers & 20+ Engineering Staff

Jiangsu Zongheng is a modern high-tech enterprise specializing in the manufacturing of concentration, drying, starch industry, alcohol DDGS, and Category III medium & low-pressure vessel equipment. It is currently a member enterprise of the China Starch and Alcohol Association. Its products are widely used in industries such as food fermentation, alcohol, chemical, pharmaceutical, environmental protection, and petrochemical.

Manufacturing Capabilities

World-Class Engineering for Herbal Extract Evaporation Systems

The company's other main products include Tube Bundle Dryers, with design and manufacturing capabilities reaching 1600m² (making it a primary manufacturer of large tube bundle dryers). Other main products such as Single Screw Fiber & Germ Dehydrators and Wash Cyclones are recognized as high-quality products by starch manufacturers and the industry. High-quality products and a sincere service attitude have won consistent praise and trust from numerous users at home and abroad, fully demonstrating the company's first-class technical advantages and manufacturing capabilities for large-scale equipment.

Jiangsu Zongheng is always committed to exploration and innovation. Through years of sincere effort and user support, it has achieved sustained development. Main products include evaporation plants, comprising Multi-Effect Evaporators, Thermal Vapor Recompressors (TVR), Waste Heat Evaporators, and Mechanical Vapor Recompressors (MVR, achieving minimal unit energy consumption). These are widely used for liquid concentration, including distillates, alcohol stillage, ammonium sulfate, corn steep liquor, itaconic acid, threonine, starch sugar, sorbitol, glucose, fructose, trehalose, erythritol, organic wastewater, high-salinity wastewater, etc., making the company one of the domestic manufacturers with the most extensive product variety.

Quality Assurance

Multiple Certificate Verification

In March 2002, the company took the lead in obtaining ISO9001:2015 international quality system certification (Certificate No.: 45021), establishing a complete quality assurance system aligned with international standards. In July 2007, it became a Jiangsu Provincial High-Tech Enterprise. In April 2009, the company obtained the Special Equipment Manufacturing License of the People's Republic of China (License No.: TS2232C42). In August 2012, it acquired the ASME "U" Stamp authorization, marking the company's entry into a new phase of development. The company possesses strong R&D capabilities and advanced manufacturing processes, currently employing over 3 senior engineers and more than 20 engineers and assistant engineers. Multiple innovative technologies have been patented, and many products hold leading positions domestically.

Trusted By Industry Leaders

Our Partners

The company currently holds an absolutely leading position in evaporation technology and has extensive cooperation with many renowned large domestic group companies, including Zhuofeng Biology, Meihua Group, Yufeng Group, Yihai Kerry, North China Pharmaceutical Group, Harbin Pharmaceutical Group, Shouguang Juneng, Qilu Pharmaceutical, Qiyuan Pharmaceutical, Xiwang Group, Shengtai Biology, Zhejiang Huakang, Kelun Pharmaceutical (Yili), and Shandong Tianli.

Complete Product Range

More Evaporator Systems for Herbal Extract & Essential Oil Production

Explore our comprehensive range of industrial evaporation systems engineered for every stage of herbal extract and essential oil production — from dilute botanical feed concentration to final product finishing.

Waste Heat Evaporator for Herbal Extract Plants

Utilizes process waste heat streams for zero-additional-energy botanical liquid concentration.

Double-Effect Falling Film Evaporator for Essential Oil

Gentle low-temperature two-effect evaporation preserving volatile aromatic compounds in essential oil processing.

Triple-Effect Evaporator for TCM Herbal Concentrate

High-efficiency three-effect system for traditional Chinese medicine extract concentration at pharmaceutical grade.

MVR Evaporator for Botanical Extract Energy Saving

Mechanical Vapor Recompression system achieving minimum steam consumption for large-scale botanical processing.

TVR Evaporator for Continuous Herbal Medicine Concentration

Thermal Vapor Recompression system for stable continuous-operation herbal medicine liquid concentration lines.

Forced Circulation Evaporator for Viscous Herbal Extract

Designed for high-viscosity, high-sugar botanical feeds that would foul conventional falling-film evaporators.

GMP Evaporation System for Pharmaceutical Botanical Extracts

FDA/GMP-compliant evaporation system with CIP, sanitary design and full process data logging for regulated markets.

Solvent Recovery Evaporator for Ethanol Herbal Extraction

Explosion-proof multi-effect evaporator recovering ethanol solvent while concentrating botanical extract simultaneously.

Partner With Us for Your Herbal Extract Evaporation Project

While meeting domestic market demand, the company's DDGS alcohol equipment and tube bundle dryer series products have been exported to Russia and Southeast Asian markets. We are capable of providing professional technical support and after-sales service nationwide for our vast user base. High-quality products and their unique solutions not only enhance our corporate economic benefits but also bring us satisfaction by solving processing challenges for our clients.

We warmly welcome friends from various industries, both domestic and international, to visit us for cooperation and mutual development!

Explore Our Evaporator Systems →

Simple Multiple Evaporator SystemFor Herbal Extract & Essential Oil Production