Moving the Trim Is Only Half the Job
Vacuum transfer air dust collection from Engineered Recycling Systems handles the part of the job that comes after the trim has moved. Vacuum transfer carries the scrap away from the machine. What travels with it is dust-laden air, and that air has to be separated, filtered and returned before it reaches the plant. ERS engineers the hoods, ducting, separators, filtration and fans as one system, from Atlanta.
What vacuum transfer leaves behind
A transfer line that moves trim reliably can still leave a plant with an air problem. Fine paper dust released at the knives and the die stays in the airstream long after the trim has gone, and it settles on the line, the lights and the floor. Moving the material is half the task; handling the air is the half that decides what the building looks like in year three.
That is the distinction ERS works to. The transfer system and the air dust collection are specified together, against the same duty, so the two are not fighting each other.
The substrates and the machines
Kraft liner, coated papers, recycled board and multi-wall substrates all behave differently in air, and the dust each one releases is different in quantity and in character. Coated stock sheds fine, light dust; recycled board sheds more of it and carries more fiber with it.
On the machine side the duty comes from slitters, sheeters, die cutters and the converting lines that follow them. Each produces waste at a different rate and a different particle size, and the system is sized for the line that is actually installed rather than for a general case.
Low Profile Separators
The ERS Low Profile Separator takes the scrap out of the airstream and guides it to a baler or a bin. Separating material from air before the material reaches anything mechanical is what keeps the rest of the system clear, and it is where most airflow instability is prevented rather than corrected.
The compact height is what makes it work as a retrofit. In converting plants the space above a line is usually already taken, so a separator that fits under an existing mezzanine is often the difference between a project that proceeds and one that does not.
CCM® OCT filtration
At the end of the system the air is filtered. The CCM® OCT filter cleans its own media continuously while the filter stays in service, and does it without compressed air. A single gear motor sits outside the filter, out of the dust, and turns the central shaft and the boom. The nozzle traverse takes its motion from that rotation mechanically, so nothing electrical moves inside the drum.
Scrapers turn with the shaft and wipe dust off the rings back onto the media. Media changes are tool-free and take roughly four to six minutes per panel, which matters on a line that cannot give up much time for maintenance.
Continuous cleaning is what holds pressure drop steady. A filter that is cleaned on a cycle lets resistance climb between cleans, and the fan has to work harder to hold the same pick-up at the machine.
Cyclone separation and dust compaction
Collected dust discharges through a cyclone separator. Where the volume justifies it, ERS adds a compaction stage that presses residual dust into dense pucks, which can go to disposal or back into the baler chute.
Compacted dust takes up a fraction of the space of loose dust and stays where it is put. On a high-volume line that turns a recurring housekeeping job into a scheduled one.
Fan control and energy
Variable fan speeds and pressure balancing match the system to what the plant is running rather than holding it at full draw all shift. On a site with several converting lines starting and stopping through the day, a system that can rebalance keeps pick-up stable at the machines that are working and stops drawing air through the ones that are not.
Energy follows from that. A fan held at full duty for a plant running at half load is the most common avoidable cost in a converting dust system.
Retrofitting a line that is already running
Most of this work goes into a building that already exists, around production that cannot stop for long. ERS surveys the plant first, designs around what is physically there, and plans the installation into the shutdown window the plant can actually give.
The survey is also where the realistic answers come from. What a system will do is easier to state once somebody has stood at the machine and watched the air come off it.
One engineered system, not three purchases
Trim removal, vacuum transfer air dust collection and scrap system dust collection are specified together as one engineered design. ERS engineers, supplies and installs the complete scope and supports it afterwards through spare parts and service.
That matters most when something needs changing. One system with one set of controls has one place to look, rather than three suppliers each explaining that their part is working correctly.
Across the converting side
The same approach runs through corrugated box plants, folding carton converting, paperboard production, paper converting, slitting and rewinding lines, tissue converting and flexible packaging. For plants running several lines into one stream, ERS builds turnkey waste conveyance and dust collection systems.
How a project starts
It starts at the line. ERS looks at what the machines produce, how fast they run, which substrates pass through them and what the building will allow, then designs the system around that. Send the details through the contact form and we will take it from there.