Electrode Fixed Bed

The electrode-fixed bed is a technological device that combines the effects of an electric field with a fixed-bed structure, and it finds important applications in a variety of fields—including environmental engineering, bioengineering, and chemical production. Like traditional fixed beds, it consists of a vessel filled with solid particles. These solid particles typically exhibit a certain particle size distribution and pore structure, offering a large specific surface area that provides a suitable environment for various physical and chemical processes. For example, in catalytic reactions, the solid particles may serve as supports loaded with catalysts; in adsorption processes, the particles may be adsorbents such as activated carbon.

Polyester polymerization complete set of equipment

Compatible with PET, PBT, PLA and other systems, it supports the entire process of esterification, polycondensation, and vacuum degassing, with a modular design that allows flexible expansion from 2 L to 50 L. Featuring high‑precision temperature control (±0.5℃), multi‑stage vacuum control, and real‑time viscosity and pressure monitoring, it ensures accurate and reliable reaction data. Compatible with both laboratory and pilot‑scale applications, it empowers the R&D of bio‑based and biodegradable polyesters, and offers customizable experimental protocols for specialty materials such as high‑viscosity PLA and corrosion‑resistant LCP, accelerating material innovation and process optimization.

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.

Polyester Polymerization Reactor

This equipment features a stainless steel sealed reactor vessel, equipped with an intelligent temperature control system and a multi‑functional agitator (with options for propeller or turbine impellers). The reaction temperature is precisely regulated via a jacket or coil. It supports precise formulation based on multiple feed inputs and, combined with automated sensing technology, optimizes polycondensation reaction conditions in real time while simultaneously removing byproducts, significantly enhancing polyester synthesis efficiency. Specifically designed for the production of high‑performance polyester fibers, films, and engineering plastics, it is widely used in industries such as textiles, packaging, and electronics, helping to drive industrial upgrades through stable processes and high‑purity outputs.

Explosion‑proof High‑Pressure Reactor System

The explosion‑proof high‑pressure reactor system is equipped with a reaction system, a heating system, an electric lifting system, and a control cabinet. The entire reaction unit is explosion‑proof and certified to ExdIIBT4. The unit features electric lifting functionality and is fitted with inlet ports for gases and liquids. The reactor is designed with an oil bath jacket for heating, complete with an insulation layer. Experimental data can be transmitted remotely and collected by designated monitoring systems, including the internal temperature of the reactor, the liquid level within the reactor, the internal pressure of the reactor, the stirring speed, and the electric separation of the reactor vessel and lid.

Carbon Dioxide Catalytic Material Evaluation Device

The carbon dioxide catalytic material evaluation system is primarily used for research on flue gas treatment processes. It supports online gas blending for 14 gaseous streams and 2 liquid streams, enabling precise control of component gases, and can evaluate the catalytic performance of catalysts under both pressurized and atmospheric pressure conditions. The system is designed with a quartz glass reactor that can be interchangeably used with a 310S metal reaction tube, and the reactor is equipped with a three‑stage electric heating system. The system mainly comprises a feed unit, a reaction unit, and a tail gas treatment unit, providing capabilities for multi‑component gas blending and catalyst evaluation.

5L Multi‑Functional Self‑Controlled Reactor Unit

The 5L multi‑functional, self‑controlled reactor unit is a test setup designed for low‑temperature and low‑pressure applications. It is used to evaluate and study the small‑scale synthesis process of epoxy resins, exploring optimal operating conditions. Through sampling analysis, process control, and data analysis, it generates product synthesis process parameters, providing foundational design data for industrial production of epoxy resins. The control system employs a mature and cost‑effective PLC control system, complemented by a computer and software suite to form a complete control system that enables automated monitoring and automatic control of the entire experimental setup. The unit utilizes an advanced, internationally recognized control system specifically designed for medium‑ and small‑scale experimental setups. It features multi‑level safety protection logic, adopts a master–slave architecture, and supports flexible scalability. In addition to performing sophisticated process control and batch logic control, it is also well suited for data acquisition. It can be configured for large‑scale distributed control or implemented as a low‑cost standalone unit. While retaining the proven design characteristics of traditional PLCs, it also leverages advancements in information technology by offering fully open data structures, multimedia applications, fieldbus connectivity, and Internet access.

Four‑tube fixed bed

A four‑bed fixed‑bed reactor is a type of chemical process equipment commonly used in catalytic reactions or adsorption processes. The equipment consists of four independent reaction zones, or beds, each of which can be packed with different catalysts or adsorbents—or with the same material to carry out distinct stages of a reaction. The primary advantage of the four‑bed fixed‑bed design is its ability to perform multiple reaction steps simultaneously, thereby enhancing production efficiency and process flexibility. In a four‑bed fixed‑bed reactor, raw gas or liquid flows sequentially through each bed, with each bed capable of independent control over parameters such as temperature, pressure, and residence time. This configuration allows for sequential, stepwise, or parallel reactions to be carried out in different beds, enabling optimization of the overall process in terms of conversion rate and selectivity. The four‑bed fixed‑bed reactor finds wide application in fields such as petroleum refining, fine chemical synthesis, environmental engineering (e.g., exhaust gas treatment), and bioengineering. For example, in petroleum refining, it can be employed for cracking, reforming, isomerization, and alkylation reactions, among others. Because the four‑bed fixed‑bed reactor involves multiple reaction zones, it places high demands on operational control and process monitoring. A precise control system is required to adjust the reaction conditions in each bed and ensure the stable operation of the entire system. In addition, the selection of catalysts or adsorbents, the design of the beds, and the optimization of fluid dynamics are all critical factors in ensuring the efficient operation of the four‑bed fixed‑bed reactor.

Smart Hydrogenation Reactor (Desktop)

1. Heat Transfer Efficiency: The built‑in high‑efficiency cooling coil, in conjunction with an automatic stepless refrigerant control valve, enables automated heat transfer. 2. Process Intensification: Equipped with micrometer‑scale gas dispersers, self‑priming agitators, and baffle plates, and featuring a design that increases the equipment’s rotational speed up to 2000 rpm, this setup significantly enhances material mixing performance. 3. Safety: The equipment is fitted with a sealed, integrated active ventilation experimental chamber and equipped with a hydrogen gas alarm for proactive safety interlocks. 4. Intelligence: On-site touch‑screen HMI control, multi‑stage programmed temperature ramping, three‑tier interlock protection, and remote monitoring and alarm functionality via a WeChat mini‑program. 5. Efficiency: Quick‑release flanges, a design that prevents the reactor vessel from seizing, and a rapid heating device for the furnace at the end of the reaction.

6-Channel Fixed-Bed Catalyst Evaluation System

The 6‑channel fixed‑bed catalyst evaluation system is a high‑throughput platform designed for multiphase catalyst screening experiments. It primarily comprises a gas distribution module, a liquid distribution module, 6‑channel reactors, a liquid collection module, an online gas sampling interface, and a system pressure control module. Drawing on advanced technology and years of accumulated expertise, YanZheng Instruments ensures temperature consistency across each reactor channel, enabling the six reactor channels to operate within acceptable temperature and pressure ranges.