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FOUNDRY SAND • SILICA-CONTAINING DUST • SHOT • SLAG • CHIPS

Foundry Vacuums and Dust Collection Systems

From sand preparation and molding through shakeout, reclamation, blast, casting finishing, and machining, each process creates a different material stream and recovery requirement.

Depureco designs mobile and centralized industrial vacuum systems, dust collectors, pre-separators, and sump vacuums around the full material path: where sand, shot, scale, dust, scrap, coolant, or swarf leaves the process; how it must be moved; and whether it returns to production, goes to remelt or recycling, or enters a controlled waste stream.

Depureco provides industrial vacuum solutions for foundries handling sand,
slag, scale, abrasive media, metal chips, blasting residue and fine dust.
Our industrial vacuums, dust collectors and centralized vacuum systems
support material recovery and cleanup across molding, coremaking, shakeout,
knockout, blasting, grinding, finishing, equipment maintenance and general
foundry housekeeping. Depureco USA can review your materials, processes,
pickup points and facility requirements to help determine the appropriate
vacuum system, filtration, collection capacity, accessories and
configuration for the application.

Built for the Conditions That Kill Standard Vacuums

Foundry cleanup demands more than general-purpose suction. The vacuum has to stand up to abrasive debris, fine particulate, heavier loading, and repeated use across demanding process areas.

Stronger Recovery for Abrasive Material

Foundry sand, blasting residue, and metal waste are harder on equipment than ordinary plant dust. A heavier-duty vacuum with stronger suction and industrial construction handles that load more reliably than a lighter, lower-cost unit built for occasional cleanup.

Filtration That Holds Up Under Fine Dust

Fine foundry dust can blind filters fast. Higher filtration levels, easier filter cleaning, and the right filter configuration help maintain performance longer and reduce the stop-and-start cycle that slows operators down.

Easier Emptying and Maintenance

A vacuum used in a foundry needs to be practical to inspect, empty, and maintain. Easier access to filters, removable bins, Longopac® bagging, pre-separators, bulk discharge options and internal components makes a real difference in the machine and keeping recovered material moving with less manual handling.

Industrial vacuums for foundries need to do more than pick up debris. They need to resist abrasive wear from foundry sand, maintain suction under heavy dust loading, and handle repeated recovery of metal particles, slag, blasting media, and fine dust without frequent clogging or downtime. Many buyers compare industrial vacuum systems for foundries based on continuous-duty performance, durability, high filtration, and suitability for hot or abrasive materials because those are the failure points that separate industrial vacuum systems from cheaper alternatives. In foundry applications, a stronger vacuum is often justified not by horsepower alone, but by reduced suction loss, longer filter life, more stable cleanup performance, and fewer interruptions in high-use production areas.
FIND YOUR FOUNDRY SOLUTION

Start With the Process Area

Sand mold with a mobile Depureco TX industrial vacuum for molding and sand preparation cleanup.

Molding & Sand Preparation

Return-sand spills around mullers, mixers, conveyors, molding lines, transfer points and elevator boots.

Pink foundry cores with a mobile three-phase industrial vacuum for coremaking area cleanup.

Coremaking Area Cleanup

Loose core sand, broken cores, binder residue and coating dust around core equipment and finishing areas.

Foundry sand and metal debris with a stationary Depureco PUMA and CVS Roots bulk recovery system.

Shakeout & Sand Reclamation

High-volume sand, scale and core debris below shakeout equipment, pits and reclaim conveyors.

Worker abrasive blasting a steel cylinder with a Depureco PUMA HD vacuum and mobile pre-separator.

Shotblast & Abrasive Recovery

Steel shot, grit, fractured media, scale and reclaim-system leakage around blasting equipment.

Grinding sparks from casting finishing with a mobile Depureco TX vacuum for chips, swarf, and debris recovery.

Casting Finishing, Chips & Swarf

Gates, risers, grinding residue, dry chips and coolant-laden swarf from cleaning and machining.

Worker using a Depureco M100 vacuum and floor tool to recover metal chips and powder from a foundry floor.

Plant-Wide Foundry Cleanup

Mobile cleanup, fixed drops and centralized recovery across recurring plant pickup points.

FOUNDRY VACUUMS • DUST COLLECTORS • CENTRAL SYSTEMS

Choose the Control Method Before the Vacuum Model

The same foundry material can require completely different equipment depending on where it is and how it is being released.

A vacuum is designed to recover sand, shot, chips, scale, and dust that has already settled. A dust collector is designed to capture airborne material at the process. Central vacuum systems support repeated cleanup points across the facility, while sump vacuums handle chips mixed with coolant, oil, or sludge.

Foundry process layout showing vacuum applications for mold making, coremaking, shakeout, sandblasting, and metal shavings.

Follow the Material Stream, Not Just the Dust

The destination of the recovered material changes the entire system design.

Reclaimable Foundry Sand

Keep it segregated from tramp metal, floor trash, oily debris, and incompatible binder systems. Collection and discharge should feed the foundry’s return-sand or reclamation process without creating another manual transfer step.

Reusable shot, grit, and blast media

Recover it separately so it can be screened, classified, or returned to the blast system where the process allows. Mixing it with general floor debris can turn reusable media into waste.

Gates, risers, chips, and metal scrap

Preserve alloy segregation and keep dry scrap separate from coolant, grinding fines, and general waste when it will be remelted or sold.

Spent sand, core debris, baghouse fines, slag, dross, and sludge

These are not one interchangeable waste stream. Material characterization, contamination, alloy, binder chemistry, and local disposal or beneficial-use requirements determine how each stream should be handled.
Foundry process layout showing vacuum applications for mold making, coremaking, shakeout, sandblasting, and metal shavings.

Industrial Vacuum Solutions for High Temperatures

Some foundry cleanup points involve elevated temperatures, hot residue, or recently processed material that a standard vacuum setup is not built to handle. For those applications, the system should be matched with the right filtration media, separators, and accessories.

With the proper setup, foundries can use:

  • Nomex filters for higher-temperature material
  • Special separators for process-specific recovery
  • Tailored accessories for more demanding cleanup points
High-temperature foundry cleanup may involve hot residue, crucible debris, slag, ash, or recently processed material that standard vacuum components are not designed to recover safely or consistently. In these applications, foundries often need industrial vacuum systems with heat-tolerant filtration media, higher-temperature accessories, and application-matched separators that can handle harsher cleanup conditions than general industrial housekeeping. When hot material is part of the process, the right industrial vacuum solution depends on properly matched filters, separators, and accessories that keep recovery reliable under more demanding thermal conditions.
Sand mold with a mobile Depureco TX industrial vacuum for molding and sand preparation cleanup.
MOLDING LINES • SAND SYSTEMS • RETURN-SAND RECOVERY

Foundry Vacuums for Molding & Sand Preparation

Sand spills around mullers, mixers, screens, conveyors, elevator boots, and molding lines create repeated cleanup and material-handling work.

Depureco foundry vacuum systems can recover loose molding sand, settled dust, and process debris using mobile vacuums, high-power systems, pre-separators, or centralized vacuum systems. The right approach depends on the recovery volume, cleanup frequency, pickup distance, and where the sand needs to go after collection.

Common Sand-Recovery Applications

  • Molding-line and pattern-change cleanup
  • Sand mixer, cooler, and screen cleanup
  • Conveyor transfer points and elevator boots
  • Return-sand spills and reclamation areas
  • Pits and heavier sand accumulations
  • Repeated cleanup routes across the sand system
Industrial vacuums for mold making areas in foundries are often used for foundry sand cleanup, mold line housekeeping, abrasive dust recovery, and cleanup around patterns, tools, and molding stations. In these areas, foundry sand and binder residue can build up quickly and create repeated cleanup demand. A heavier-duty three-phase vacuum is often a better solution than a lower-cost unit because it is better suited for abrasive material loading, stronger continuous suction, and repeated industrial use in harsh foundry conditions.

Recommended Recovery Options

Mobile three-phase vacuums

For routine cleanup around molding lines and sand-handling equipment.

High-power recovery systems

For heavier sand loads, pits, longer hose runs, or applications requiring a pre-separator or larger receiver.

Centralized vacuum systems

For recurring pickup points along conveyors, molding lines, transfer areas, and sand-reclamation equipment.

Dust Collection

For recurring pickup points along conveyors, molding lines, transfer areas, and sand-reclamation equipment.
CORE SAND • BROKEN CORES • BINDER RESIDUE • COATING DUST

Industrial Vacuum Systems for Coremaking Areas

Core shooters, sand mixers, core boxes, coating stations, ovens, and core-finishing areas can leave loose core sand, broken cores, binder residue, and settled dust around equipment and work areas.

Depureco industrial vacuum systems support core-room cleanup with mobile, continuous-duty, and centralized configurations selected around the material, cleanup frequency, filtration needs, and collection volume.

Common Core-Room Cleanup Applications

  • Loose sand around core shooters and mixers
  • Broken cores and core fragments
  • Core-box and tooling cleanup
  • Settled dust around coating and finishing stations
  • Oven and conveyor-area housekeeping
  • Repeated cleanup routes throughout the core room
Core making areas can generate fine dust, loose sand, refractory residue, and granular material that spread through workstations and create repeated housekeeping demand. High-power industrial vacuums for foundries are better suited when longer hose runs, heavier dust loading, or repeated recovery make smaller vacuums less effective under load. For foundry core rooms, stronger suction, better filtration, and more durable construction are often the difference between a vacuum that holds up and one that becomes another maintenance issue.
Pink foundry cores with a mobile three-phase industrial vacuum for coremaking area cleanup.
Foundry sand and metal debris with a stationary Depureco PUMA and CVS Roots bulk recovery system.
SHAKEOUT • KNOCKOUT • BULK SAND RECOVERY

Shakeout & Foundry Sand Recovery Systems

Shakeout and knockout produce heavy volumes of foundry sand, broken cores, casting scale, and tramp debris around grids, vibratory conveyors, pits, and reclamation lines. Small collection bins quickly become a stop-and-empty bottleneck.

For bulk sand recovery, the stronger direction is typically a PUMA high-power vacuum combined with a pre-separator or bulk receiver. Central vacuum systems may be appropriate when the same pits, conveyors, and return-sand points require cleanup every shift.

Keep reclaimable sand separate from slag, shotblast fines, tramp metal, and mixed plant waste. Airborne shakeout dust requires source capture; the vacuum system recovers settled sand and debris.

Demolding and shakeout cleanup in foundries often involve repeated removal of foundry sand, casting residue, loose particulate, and debris from molds, conveyors, and adjacent process equipment. For fixed-point cleanup that happens throughout the day, centralized vacuum systems can be a better long-term solution than repeatedly moving mobile industrial vacuums between stations. Centralized foundry vacuum systems also support cleaner process areas, faster repeated cleanup, and better adaptation to multi-station layouts.
STEEL SHOT • ABRASIVE GRIT • SCALE • FINES

Industrial Vacuums for Shotblast & Abrasive Recovery

Shot blasting and sandblasting cleanup are harder on equipment than ordinary dust collection. Steel shot, grit, scale, fractured media, and abrasive fines accumulate around blast-machine doors, reclaim systems, conveyors, elevators, and blast rooms.

A continuous-duty TX Series vacuum can handle routine leakage and equipment cleanup. Larger media volumes, blast rooms, pits, and longer hose runs may require a PUMA high-power vacuum with pre-separation to reduce filter loading and support abrasive-media recovery.

When the process allows reuse, keep recoverable shot or grit separate from spent media, casting debris, and general floor waste.

Industrial vacuum solutions for foundry sandblasting areas are commonly used to recover abrasive blasting media, spent grit, fine dust, metal particles, and booth residue. Sandblasting cleanup is harder on vacuums than general floor housekeeping because the material is abrasive, high in volume, and often spread throughout the blasting enclosure. For foundries that want faster booth cleanup, better containment, or reuse of recovered abrasive material after screening, a properly matched industrial vacuum or centralized recovery system is often a better fit than a cheaper general-purpose machine.
Worker abrasive blasting a steel cylinder with a Depureco PUMA HD vacuum and mobile pre-separator.
Grinding sparks from casting finishing with a mobile Depureco TX vacuum for chips, swarf, and debris recovery.
FETTLING • GRINDING • METAL CHIPS • COOLANT

Foundry Vacuums for Casting Finishing, Chips & Swarf

Cutoff, fettling, grinding, and secondary machining create mixed material streams ranging from gates, risers, scale, and abrasive residue to dry chips, long swarf, coolant, and sump sludge.

Use a three-phase or high-power industrial vacuum for heavy dry debris, casting fragments, and machining swarf. Coolant-laden chips and CNC sump material require a sump vacuum designed for liquid-solid separation and coolant recovery.

Grinding and cutoff dust should be captured at the source. Keep remelt scrap, dry chips, oily swarf, and collected fines separated when their next destinations differ.

Foundry finishing operations generate metal shavings, dense chips, grinding residue, and heavy particulate that are harder to recover than light nuisance dust. Industrial vacuum systems for metal shavings need strong suction, durable construction, and collection components that can tolerate heavier material without constant interruption. In these applications, heavy-duty industrial vacuums are often the better solution for continuous cleanup of abrasive, dense, and high-volume material streams generated during grinding, cutting, honing, and finishing operations.
MOBILE CLEANUP • FIXED DROPS • CENTRAL VACUUM SYSTEMS

Plant-Wide Foundry Vacuum Systems

Foundries often clean the same molding lines, conveyor routes, elevator boots, shakeout pits, blast equipment, and finishing areas every shift. Moving one vacuum across the entire plant can turn routine recovery into a labor bottleneck.

Mobile three-phase vacuums work well for changing or isolated cleanup points. When the same locations require constant attention, a centralized foundry vacuum system can connect fixed drops to high-power vacuum units, pre-separators, bulk receivers, and planned discharge points.

Sand, abrasive media, metal scrap, grinding dust, and oily swarf may require separate recovery paths rather than one plant-wide collection stream.

General foundry cleaning can include iron dust, foundry sand, cast iron particles, wet residue, blasting fines, and floor debris that build up around machines, aisles, and workstations. Wet and dry industrial vacuums are often used where solids and liquids need to be recovered together, while larger foundry environments may benefit from higher-power or centralized vacuum solutions for repeated multi-zone cleanup. Durable, heavy-duty, high-filtration systems are often the best fit for these mixed industrial housekeeping demands.
Worker using a Depureco M100 vacuum and floor tool to recover metal chips and powder from a foundry floor.
FURNACE AREAS • HOT RESIDUE • TEMPERATURE REVIEW

Melt Deck & Hot-Zone Vacuum Cleanup

Cleanup around crucibles, furnaces, and other hot zones may involve hot sand, ash, scale, slag fragments, and refractory debris. These materials can retain damaging heat even when they are no longer glowing.

The system may require a separator, metal pickup tools, temperature-appropriate hoses, and Nomex or other filter media matched to the application. Every component must be selected around the actual material temperature, particle size, volume, heat-retention time, and potential presence of sparks or embers.

Material-temperature review is needed to confirm the typical and maximum pickup temperatures before specifying a vacuum, separator, hose, tooling, or filter configuration.
SOURCE CAPTURE • AIRBORNE DUST • PROCESS EXTRACTION

Foundry Dust Collection Systems

Foundry dust should be captured where it leaves the process, before it spreads across equipment, structures, and surrounding work areas.

Sand mixing, coremaking, shakeout, reclamation, shot blasting, cutoff, fettling, and grinding can release silica-containing dust, binder residue, metal fines, scale, and abrasive particles. Depureco foundry dust collectors connect to hoods, enclosures, extraction arms, and production equipment to control that airborne material at the source.

Industrial vacuums remain the better tool for sand, shot, chips, and dust that has already settled.

Foundry worker grinding an iron casting as airborne dust is emitted.
DF 40 high airflow industrial dust collector for suspended dust and machine-connected extraction.

Localized Source Capture

The DF 40 provides higher airflow for larger capture openings, mobile extraction points, and direct connections where suspended foundry dust must be pulled away from the process.

DF FIX SP 480 V three-phase industrial dust collector

Stationary & Ducted Dust Collection

The DF FIX supports fixed equipment, hoods, enclosures, and duct-connected capture points with automatic filter cleaning for demanding dry-dust service.

How to Choose the Right Vacuum Solution for a Foundry

The best foundry vacuum is not the cheapest unit with enough horsepower on paper. It is the one matched to the material, the process area, the cleanup frequency, and the way operators actually use it.

When the application involves larger volumes of sand, dust, or metal debris, a heavier-duty three-phase vacuum is usually the better fit for reliability and sustained performance.

When hose runs are longer, material loading is heavier, or recovery conditions are tougher, higher-power systems make more sense than undersized vacuums that lose effectiveness under load.

When multiple workstations or repeated process areas need cleanup throughout the day, a centralized system can be a better long-term solution than moving mobile equipment from one point to another.

Where residue is still hot or heat exposure is part of the process, the vacuum should be equipped with the right filters, separators, and accessories rather than forced into a job it was not built for.

PRE-SEPARATION • BULK RECEIVERS • CONTROLLED DISCHARGE

Foundry Material Recovery & Discharge Systems

Picking up the material is only half the job. Foundry sand, shot, scale, chips, and heavy fines should move into the next container or process without constant bin dumping, shoveling, and rehandling. Depureco can integrate cyclone pre-separators, bulk receivers, mobile or forkable hoppers, and application-matched discharge controls with mobile and centralized vacuum systems.
Depureco cyclone interceptor and pre-separator accessories for protecting industrial vacuum filters and collecting bulk material.

Separate High-Volume Material

Cyclone pre-separation removes bulk sand, abrasive media, chips, and other heavy material from the airflow before it reaches the primary filter. This increases collection capacity and reduces filter loading during demanding recovery work.

Match the Receiver & Discharge

Recovered material can discharge into removable bins, drums, bulk bags, forkable hoppers, skips, or existing process equipment. Receiver capacity, discharge height, valve type, and material-handling access should match the actual workflow.

Reclaim, Remelt or Dispose

Reclaimable sand and blasting media can remain separate for recovery. Metal chips and fragments can move toward recycling or remelt, while contaminated fines and mixed debris enter the appropriate waste stream.

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