Looking to improve safety, consistency, and efficiency in your production line? Automated chemical spray systems for conveyors are a proven solution used across industries for tasks like surface treatment, cleaning, lubrication, and disinfection. Here’s everything you need to know.

What is an Automated Chemical Spray System for Conveyors?

An automated chemical spray system is a precision-controlled unit that dispenses specific chemicals—such as sanitizers, lubricants, anti-rust agents, or coatings—onto products moving along a conveyor belt. Controlled by sensors, PLCs, or timers, the system ensures uniform, hands-free application, reducing manual labor and enhancing workplace safety.

Key Components and Functions
ComponentFunction
Spray NozzlesAtomize or fan spray chemicals onto surfaces
Chemical TankSecurely stores liquid chemicals
Pump (Diaphragm/Gear/Peristaltic)Transfers liquid from the tank to nozzles
Solenoid ValvesControl on/off flow triggered by sensors or PLCs
Sensors (IR / Proximity)Detect product presence and position
Control Panel (PLC/Timer)Manages spray intervals and quantity
Filters & RegulatorsPrevent clogging and ensure consistent pressure
Protective EnclosureContains mist/overspray to prevent contamination
Drain & Collection SystemRecovers excess spray for reuse or disposal
Where Are These Systems Used?
IndustryApplicationCommon Chemicals
Metal FinishingAnti-rust coating, degreasingPhosphates, corrosion inhibitors
Food & BeverageConveyor sanitation, lubricationFood-safe sanitizers, silicone oils
AutomotiveMold release, surface prepGraphite, water-based emulsions
PackagingLabel adhesion, anti-staticIPA, anti-slip sprays
TextileFabric conditioningSofteners, starch solutions
MiningDust suppressionSurfactants, wetting agents
Modes of Operation
ModeFunctionality
Continuous SprayConstant application while the belt moves
Intermittent SprayTimed or sensor-triggered spraying
Zone-Based SprayActivates only in specific conveyor zones
Speed-Synced SprayAdapts spray volume based on conveyor speed
Built-In Safety & Handling Features
  • Corrosion-resistant materials: PVC, Teflon, SS316
  • Automated flush cycles to prevent clogs
  • Chemical level alarms in storage tanks
  • Exhaust fans or sealed hoods to contain mist
  • Emergency stop controls and manual overrides
Benefits of Using an Automated Spray System
  • Optimized chemical use – reduces overuse and waste
  • Consistent application – every product receives the same treatment
  • Enhanced safety – minimizes operator exposure to chemicals
  • Low downtime – includes auto-clean and anti-clog features
  • Eco-conscious design – optional reclaim and recycling modules
Recommended Nozzle Types by Use
PurposeNozzle TypeSpray Pattern
DisinfectionFine mist / foggingFull cone / atomized cloud
CoatingFlat fanLinear coverage
Lubrication / OilHollow coneCircular spray
Moisture / Static ControlAir-assistedDiffused mist
Integration Options

This system integrates easily into modern automation setups:

  • PLC + HMI interfaces for advanced control
  • Timer relay-based systems for simpler operations
  • SCADA connectivity for large-scale monitoring
  • VFD syncing to adjust spray with conveyor speed