Micro Fixed Bed

The YZuBPR series from YanZheng Instruments is a miniature fixed-bed reactor system. This reactor system is widely applicable for evaluating various catalysts and reaction process conditions under gas–solid phase or trickle-flow conditions, including catalyst screening, compositional screening and optimization of multi‑component catalysts, optimization of reaction conditions and processes, as well as catalyst life studies. The YZuBPR system from YanZheng can also be custom‑designed according to users’ experimental requirements and research objectives, perfectly aligning with the actual application needs of end users.

Atmospheric Pressure Electrode Fixed Bed

An electrode fixed-bed reactor is an electrochemical reactor in which electrodes are arranged in a fixed-bed configuration, allowing reactants to undergo electrochemical reactions either at the electrode surface or as they pass through the electrode bed. This type of reactor is commonly used in fields such as electrochemical synthesis, wastewater treatment, fuel cells, and metal refining. Electrodes can take various forms, including mesh, granular, fibrous, or planar, and are typically made from conductive materials such as platinum, carbon, nickel, and others. They may also be coated with a catalyst layer to enhance reaction efficiency. The design of fixed-bed electrodes must ensure adequate spacing between electrodes to facilitate efficient diffusion and transport of gaseous and liquid reactants. In an electrode fixed‑bed reactor, electric current flows through the electrodes, triggering redox reactions. During the reaction, ions or molecules are transported either at the electrode surface or through the electrode bed, thereby enabling the conversion of matter or the transformation of energy. The design and operating parameters of electrode fixed‑bed reactors—such as electrode material, electrode spacing, reactor structure, operating pressure, and temperature—can all significantly influence reaction efficiency and selectivity. The advantages of electrode fixed‑bed reactors include high electrochemical reaction efficiency, superior mass transfer characteristics, and long catalyst lifetimes. However, these reactors also present certain challenges, such as electrode fouling, catalyst loss, and corrosion of electrode materials—issues that require careful design and operational strategies to address effectively.

Fixed-Bed Hydrogenation Reactor for Light Oil Evaluation

The light oil hydrogenation fixed-bed reactor evaluation system is an experimental apparatus used to simulate industrial hydrogenation processes, primarily for researching and evaluating the performance of catalysts in hydrogenating light crude oil within a fixed-bed reactor. The light oil hydrogenation fixed‑bed reactor evaluation system enables engineers to simulate industrial hydrogenation processes at the laboratory scale, assess catalyst performance, optimize reaction conditions, and provide both theoretical foundations and technical support for industrial production.

Four-Channel Catalyst Evaluation System

The 4‑channel parallel reaction system developed by Yan Zheng Instruments is a high‑throughput platform designed for multiphase catalyst screening experiments. It primarily comprises the following integrated modules: a gas flow control module, a liquid flow control module, a 4‑channel reactor liquid collection module, and a system pressure control module.

Fixed-Bed Catalytic Cracking

The catalytic cracking microreactor fixed-bed online evaluation system is designed for butene catalytic cracking or the coupled reaction of butene with methanol, coupled with online gas chromatography. The system features a reactor made of 310S material, equipped with a three‑stage electric heating system. The system comprises a gas feed unit, a liquid feed unit, a preheating unit, a reaction unit, a product condensation and collection unit, and a tail gas treatment unit. The reactor is designed to operate at a temperature of 800°C and a pressure of 10 MPa. The system demands a high degree of automation, excellent data accuracy and reproducibility, as well as robust safety and reliable, long‑term stable operation.

Electrode Fixed Bed

The electrode fixed-bed reactor is a laboratory-scale reaction apparatus used in electrochemical processes, enabling the study and development of electrochemical reactions under controlled conditions. The device typically consists of a fixed-bed reactor packed with conductive materials—such as carbon paper, carbon cloth, metal mesh, and the like—as electrodes, along with working electrodes, counter electrodes, and reference electrodes for carrying out electrochemical reactions. Electrode fixed-bed reactors find wide applications in fields such as electrochemical synthesis, electrocatalysis, battery research, fuel cells, and corrosion science. Through this apparatus, researchers can delve deeply into the mechanisms underlying electrochemical reactions, optimize electrochemical reaction conditions, and develop new electrochemical materials and processes.

Shunkong Dual-Channel Fixed Bed

The sequential control dual‑channel fixed bed is a type of chemical process equipment primarily used for conducting continuous or semi‑continuous chemical reactions. It consists of two parallel fixed‑bed reactors, commonly referred to as “channels.” In a sequential control dual‑channel fixed bed, the reactants can flow alternately between the two channels, or one channel can be used for reaction while the other serves as a standby, or vice versa—allowing for counter‑control of the reaction direction. This design enables more flexible operating modes and superior temperature control. Thanks to the presence of two channels, it achieves higher heat exchange efficiency and more stable reaction conditions, thereby improving product quality and yield. Moreover, the dual‑channel fixed bed facilitates convenient catalyst loading, replacement, and regeneration, reducing downtime. In chemical production, the sequential control dual‑channel fixed bed is often employed in applications that require precise control of reaction conditions, are sensitive to temperature, or involve multi‑step reactions.

Fixed-Bed Catalyst Evaluation System

The fixed-bed catalyst evaluation unit is an experimental apparatus used to test and assess catalyst performance. It simulates the operating conditions of industrial fixed-bed reactors, enabling quantitative analysis of key parameters such as catalyst activity, selectivity, stability, and mechanical strength at the laboratory scale. The fixed‑bed catalyst evaluation unit can conduct comprehensive evaluations of catalysts under conditions closely resembling real industrial reactions, providing a reliable basis for catalyst development and industrial applications.

Three‑Channel Fixed Bed Reactor

The multi‑channel fixed‑bed jacket system from Yanzheng Instruments offers precise feed delivery, high parallelism, and excellent reproducibility. Temperature, pressure, and even stirring speed can all be controlled independently, and operations such as online sampling and analysis can be fully automated. This is a truly fully automated, high‑throughput system that can boost research efficiency by a factor of dozens. Yanzheng Instruments can customize complete reaction systems according to customers’ specific process requirements.

Fixed-Bed Reaction System – Dual-Channel Explosion-Proof Hydrogenation Fixed Bed

The fixed-bed reactor system is a commonly used reactor type in chemical processes. Its primary characteristic is that the catalyst is immobilized in solid form within the reactor, while the reactants—whether in liquid or gaseous form—pass through the fixed bed and come into contact with the catalyst to undergo chemical reactions. Fixed-bed reactor systems are widely employed in fields such as chemical engineering, petroleum refining, fine chemicals, and environmental protection. For example, in petroleum refining, fixed-bed reactors are used in processes like cracking, reforming, and alkylation; in fine chemicals, they are utilized for the synthesis of dyes, pharmaceuticals, pesticides, and other chemical products; and in environmental protection, they are applied to exhaust gas treatment and wastewater treatment.

Fixed-Bed Catalyst Evaluation System

The YanZheng Instrument Fixed-Bed Catalyst Evaluation System is primarily used to evaluate and study process operations, explore optimal process parameters, and obtain data on product distribution and product properties through sampling, analysis, evaluation, and data processing—providing foundational design data for pilot-scale and industrial-scale process design. This system is suitable for continuous reaction experiments under high temperature and high pressure. It demands a high degree of automation, excellent data accuracy and reproducibility, as well as reliable safety and the ability to operate stably over long periods.

High‑pressure fixed‑bed reactor

The high-pressure fixed-bed unit is primarily used for hydrogenation and ammoniation, as well as for researching continuous hydrogenation processes of petroleum products and other feedstocks under the catalytic action. The main component of this unit is a reactor made of 316L material, equipped with an oil bath heating system and internal cooling coils for temperature reduction. It is fitted with raw material feed and reaction effluent discharge systems, along with a hydrogen pressurization and pressure control system that ensures stable operation and continuous tail gas emission. The unit mainly consists of a gas feed unit, a liquid feed unit, and a reaction unit.