Source Double Layer Glass Lined Reactor for Mixing, Heating, and Cooling

Strategic Sourcing Guide for Double Layer Glass Lined Reactors

Procuring industrial reaction vessels, specifically those described as double layer glass lined reactors, requires a rigorous approach to technical verification and supplier evaluation. The market presents a diverse array of configurations, from small-scale laboratory units to large-scale production kettles. Buyers must navigate a complex landscape of materials, pressure ratings, and agitation systems to ensure the selected equipment aligns with specific process requirements. This guide outlines the critical factors for sourcing these units, focusing on the observable attributes of the current market inventory and the necessary due diligence for a successful procurement cycle.

Technical Specifications and Structural Variations

The fundamental distinction in reactor sourcing lies in the material composition and structural design. The supplied product data reveals a significant divergence in material grades, with listings explicitly identifying both "Glass-Lined" and "Stainless Steel" constructions. While the core keyword focuses on glass-lined units, buyers must verify that the specific listing they are evaluating matches this material requirement, as stainless steel variants offer different chemical resistance profiles. The "Glass-Lined" designation typically implies a steel substrate coated with a glass enamel to prevent corrosion, a critical feature for handling aggressive chemical media.

Structural attributes further define the reactor's utility. The inventory shows a "Jacketed" heat transfer structure, which is essential for maintaining precise temperature control during exothermic or endothermic reactions. This jacket allows for the circulation of heating or cooling media. The heating method is frequently listed as "Electric Heating," though some entries note "Outside (Inside) Coil Heating," indicating a need to confirm the specific heat exchange mechanism required for the process. Pressure ratings vary significantly across the market; observed data includes "Atmospheric" pressure units alongside "Negative" pressure models capable of achieving a vacuum degree of up to -0.095MPa. The allowable pressure range is often cited as "Negative ~Normal," suggesting that not all units are designed for positive pressure applications.

Agitation is another pivotal specification. The market offers a variety of agitator models, including "Paddle Agitator," "Anchor Agitator," and "Turbine Agitator." The selection depends heavily on the viscosity of the reactants and the desired mixing intensity. For instance, an anchor agitator is often preferred for high-viscosity fluids, while a turbine agitator suits lower viscosity applications. Rotation speeds also vary, with observed ranges from 0-1200 r/Min to 0-1400 R/Min. Buyers must ensure the motor and drive system can sustain the required torque and speed for their specific chemical process.

Volume, Dimensions, and Capacity Constraints

Capacity is a primary driver in reactor selection, with the market offering a wide spectrum of sizes. The data indicates units ranging from small laboratory-scale volumes of 1L/2L and 3L/5L to larger capacities of 50L. Some listings specify a "Mezzanine Capacity" of 15.75 L, which may refer to a specific internal configuration or a secondary vessel. The physical dimensions are equally critical for facility planning. Observed standard dimensions include compact units measuring 440400950mm and larger industrial models reaching 8205802270mm.

Weight is a significant logistical factor. The product data lists weights ranging from 19-20kg for smaller units to 79kg for larger models, with some specifications noting a range of 19-32kg. These figures are essential for determining floor load requirements and shipping logistics. Furthermore, the number of openings on the reactor head varies, with observations of 5 or 6 pieces. These openings are necessary for the installation of thermocouples, agitator shafts, feed ports, and sampling valves. Buyers must verify that the number and size of openings match their process piping and instrumentation needs.

Compliance, Certification, and Safety Standards

Ensuring regulatory compliance is non-negotiable in industrial procurement. The observed product data highlights specific certifications, including "CE" and "ISO9001." The CE mark indicates conformity with health, safety, and environmental protection standards for products sold within the European Economic Area, while ISO9001 certifies that the manufacturer has a quality management system in place. However, buyers should not assume that every listed product automatically possesses these certifications; verification of the specific unit's documentation is required.

Standardization in manufacturing is also evident in the data. Some listings reference a "prod_standard" of 440400950mm, which appears to be a dimensional standard rather than a material standard. Other entries list weight standards such as 25-27kg or 35kg. It is crucial for buyers to distinguish between dimensional standards and material or performance standards. The operating temperature range is a critical safety parameter, with observed capabilities spanning from -80°C to 200°C. This wide range suggests suitability for cryogenic processes as well as high-temperature reactions, but the specific unit must be validated for the intended operating envelope.

Cost Drivers and Pricing Dynamics

The pricing landscape for these reactors is highly variable, with an observed range from $99 to $150,000 USD. This vast disparity is driven by several factors, including volume, material thickness, agitation complexity, and the level of customization available. The data confirms that "Customization" is an available attribute, which typically incurs additional costs but allows for tailored solutions. The minimum order quantity (MOQ) is observed to be 1 unit, indicating that buyers can purchase single units without needing to commit to large bulk orders.

The condition of the equipment is listed as "New," which generally commands a premium over refurbished units. However, the price difference between a 1L glass-lined unit and a 50L unit with advanced agitation and vacuum capabilities is substantial. Buyers should analyze the cost per liter of capacity and the cost of auxiliary features like electric heating or specific agitator types. The "Wooden Package" or "Wooden Box Packaging" noted in the data is a standard for heavy industrial equipment, ensuring protection during transit, but it also adds to the overall shipping weight and cost.

Typical Applications and Process Compatibility

The versatility of these reactors supports a broad range of applications. The "Reaction Kettle" and "Tank Reactor" classifications suggest use in chemical synthesis, pharmaceutical manufacturing, and food processing. The "Spray Tower Reactor" type mentioned in the data points to specific applications involving gas-liquid contact or coating processes. The "Glass-Lined" material is particularly advantageous for processes involving corrosive acids, alkalis, or solvents that would degrade stainless steel over time.

The vacuum capabilities, with a degree up to -0.095MPa, make these units suitable for distillation, dehydration, and degassing processes. The ability to operate at negative pressure is essential for handling volatile solvents or preventing oxidation during sensitive reactions. The condensing area, observed at 0.01 Square Meter for smaller units and 0.1 Square Meter for larger ones, indicates the efficiency of the cooling system. Buyers must match the condensing area to the heat load of their reaction to ensure efficient reflux and solvent recovery.

Supplier Evaluation and Quality Control

When evaluating suppliers, buyers should prioritize those who provide transparent technical data and clear certification documentation. The origin of the products is listed as "Xi'an" and "China," which are major manufacturing hubs. However, the specific location should not be the sole criterion; the manufacturer's track record and quality control processes are more important. The presence of "Automatic Grade" and "Manual Grade" options suggests varying levels of automation, which impacts the operational complexity and labor requirements.

Quality control should extend beyond the initial inspection. Buyers must verify the integrity of the glass lining, as any micro-cracks can lead to catastrophic failure. The "Jacket Volume" of 1.2L~1.3L for certain models indicates the capacity for heat transfer media, which must be sufficient for the reactor's thermal mass. The "Bottle Opening Quantity" of 5 pieces for specific models highlights the importance of port configuration. A robust quality control plan should include hydrostatic testing of the jacket, visual inspection of the glass lining, and functional testing of the agitator and heating elements.

Long-Term Procurement and Operational Considerations

Long-term success with these reactors depends on maintenance and spare parts availability. The "New" condition of the units suggests they are ready for immediate deployment, but the long-term durability of the glass lining and the mechanical seals is paramount. The "Filling Tube" structure noted in the data may require specific maintenance protocols to prevent clogging or leakage. The "Wooden Package" ensures safe delivery, but the internal components must be protected from humidity and vibration during storage.

Buyers should also consider the scalability of their operations. The range of volumes from 1L to 50L allows for pilot testing and small-scale production, but larger scale-up may require different equipment specifications. The "Automatic Grade" units offer the potential for integration into automated production lines, reducing human error and increasing throughput. However, the "Manual Grade" units may be more suitable for batch processes requiring frequent operator intervention.

In conclusion, sourcing a double layer glass lined reactor requires a meticulous review of technical specifications, material properties, and compliance documentation. The market offers a wide array of options, from small laboratory units to large industrial kettles, each with unique characteristics. By focusing on the observed data regarding pressure, volume, agitation, and certification, buyers can make informed decisions that align with their specific process needs. The variability in pricing and customization options necessitates a thorough cost-benefit analysis, ensuring that the selected reactor delivers optimal performance and safety throughout its operational lifecycle.