Urea-formaldehyde Resin Production Line | JCT Machinery

We are committed to providing high-efficiency turnkey projects for urea-formaldehyde resin production lines to global wood processing, plywood, medium-density fiberboard (MDF) and particleboard manufacturers, contact us: +86-181 3837 3963 (Whatsapp, Wechat), contact@jctmixing.com.

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Product Details

Urea-formaldehyde Resin Production Line Equipment

Equipment	Function
Formaldehyde storage tanks & transfer pumps	A large-capacity, safe storage system for formaldehyde solution is used, and it is then transported to the reaction area in a sealed manner through corrosion-resistant pipelines
Liquid flow meters / metering tanks	High-precision mass flow meters (or high-level weighing tanks) are used to achieve precise quantitative addition of liquid raw materials such as formaldehyde, liquid alkali, and formic acid
Urea silos / weighing hoppers	Solid urea granules are stored and automatically fed into the reaction vessel via a sealed screw conveyor or vacuum negative pressure feeding system
Reactor	This is the core of the production line. Formaldehyde and urea undergo hydroxymethylation (addition) and polycondensation reactions here. The vessel is equipped with a powered agitator to ensure thorough mixing of the materials
Shell and tube condenser	The vapor evaporated in the reactor is efficiently condensed, liquefied, and then introduced into the collection system
Water distributor / vacuum buffer tank	The condensed liquid is recovered. During the reflux stage, the solvent is returned to the reactor to continue the reaction; during the dehydration and concentration stage, the wastewater is isolated and collected
Water ring vacuum pump	A negative pressure environment is established in the system. In the later stage of polycondensation, vacuum negative pressure is used for dehydration, rapidly removing moisture at a lower temperature to increase the solids content of the resin
Blending and cooling tank	The resin that has passed the polycondensation standard is in a high-temperature state, and direct storage can easily lead to gelation. It is discharged into a cooling tank, where it is rapidly cooled to room temperature by circulating cold water through a jacket, and then final modification is added
Discharge pump & bag filter	The resin has a high viscosity; it is pumped out using a gear pump or screw pump and filtered through a stainless steel bag filter to remove any undissolved urea particles or impurities

urea-formaldehyde resin production line

Features of Urea-formaldehyde Resin Reactor

Stirring system: Provides medium-low speed, high torque stirring to ensure rapid dissolution of solid urea in large-capacity reactors and uniform heating/cooling of the reaction system.

Jacket/pipe coil temperature control system: Initially, steam or hot water is introduced to hear and initiate the reaction; in the middle and later stages, the polycondensation reaction is violently exothermic, so cold water is immediately introduced to cool down and prevent overheating and expansion of the reactor.

Urea-formaldehyde Resin Prduction Process

urea-formaldehyde resin production flow

Urea-formaldehyde Resin Production Line FAQ

What production capacity scales do your production lines support?
Our complete urea-formaldehyde resin production line supports full customization. Single batch outputs range from 1 ton for trial production, to 5 tons or 10 tons for medium-sized industrial production, and even 20 tons or 30 tons per batch for large-scale automated factories - all can be tailored to your specifications.
The reaction is highly exothermic; how can the equipment be designed to prevent overheating or other safety accidents?
Our reactor features a high-heat-exchange-area honeycomb jacket (or internal coil) design and is equipped with an intelligent automatic hot and cold source switching valve assembly. During the exothermic polycondensation stage, when the central control system detects that the temperature is approaching the critical point, the PLC will automatically close the steam valve and fully open the circulating cold water valve within seconds, forcibly suppressing the exothermic rebound. The equipment is also equipped with over-temperature/over-pressure audible and visual alarms and mechanical safety valves to ensure absolute production safety.
What are the feeding methods for solid urea and liquid formaldehyde? Is a large amount of manual labor required?
We offer feeding solutions with varying degrees of automation. In our standard fully automated line: liquid raw materials are pumped in precisely with a single button via stainless steel corrosion-resistant pipes, using a mass flow meter or weighing tank; solid raw materials are automatically metered and fed in using bulk silos and screw conveyors, or a pneumatic vacuum suction system. The entire line operates in a largely closed, dust-free environment, requiring only 1-2 operators monitoring from the central control room, significantly reducing labor costs.
What engineering services do you provide? Are they turnkey projects?
We provide complete one-stop turnkey projects. Services include:
• Initial 3D workshop layout planning and process piping disgram design.
• Complete equipment R&D, manufacturing, and pre-shipment inspection.
• Dispatching experienced engineering teams to domestic and international sites for installation guidance, system piping connections, and line commissioning.
• Providing process training to your local operators, ensuring they can operate production independently and proficiently.
Can you provide resin production process technology or basic formulations?
We are not only an equipment manufacturer, but also a chemical system integrator. We can provide basic urea-formaldehyde resin production process training for customers purchasing complete production lines. If you have special performance requirements for the resin, we can also connect you with senior chemical process experts in the industry for targeted technical support.

urea-formaldehyde resin production line reactor

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