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Multi-Outlet, Multi-Operator Blast Pot Buying Guide

A selection of industrial multi-outlet blast pots for multiple users ranging from 2-16 blasters, both fixed installation and portable solutions.

Should you have any questions, reach out to our dedicated customer service team who are happy to help.

Name	Available for Rent	Capacities Available	Number of Outlets	Blast Time	Best Applications	Advantages	Options
SCHMIDT® 10 CUFT BLAST MACHINE	No	10 co. ft	1-2	2 ½ manhours	Excellent for a blastroom application with 1-2 blasters	Ability for multiple blasters to operate for an extended time without needing to refill	Combo/Micro pressure release deadman system Thompson pressure hold deadman system Electric deadman handle (will fit to either of the above types of systems)
SCHMIDT® 20 CUFT BLAST MACHINE – DUAL OUTLET	No	20 cu. ft	2	4 manhours	Excellent for a blastroom application with 2 blasters	Ability for multiple blasters to operate for an extended time without needing to refill	Combo/Micro pressure release deadman system Thompson pressure hold deadman system Electric deadman handle (will fit to either of the above types of systems)
SCHMIDT® BULK AMPHIBLAST	Yes	8t of garnet	2-4	16 blasting hours	Multiple operator blasting where dust sensitivity is an issue, but containment is not viable.	Ability of multiple outlets to independently blast wet or dry. Dry Blast, Mist Blast, Washdown or Blowdown independently. Unique soft wash feature automatically lowers blast air pressure and increases water flow for an effective, gentle rinse	None
MEGA BLASTER BULK BLAST MACHINE	Yes	40 cu. ft 75 cu. ft 120 cu. ft 175 cu. ft	4	8 to 30 manhours	High production, on site use e.g., coal terminal, fertilizer plant, fuel storage, bridge blasting.	Built in AirPrep Sufficient capacity to blast with four operators for an entire shift.	Yard or highway trailer, 20” leg extensions or shipping legs
SUPAMEGA BULK BLASTER BLAST MACHINE WITH IN-BUILT AIRPREP	Yes	40 cu. ft 75 cu. ft 120 cu. ft 175 cu. ft	2-4	8 to 30 manhours	High production, on site use e.g., coal terminal, fertilizer plant, fuel storage, bridge blasting.	Built in AirPrep Sufficient capacity to blast with four operators for an entire shift.	Yard or highway trailer, 20” leg extensions or shipping legs
SHIPYARD BLAST POT	No	560 cu ft	8	96 Manhours	High production shipyard Monopile and transition towers	Touchscreen Integrated HMI Level sensors to detect high and low media levels	Automated slide gate for automatic fill from storage hopper


	SCHMIDT® 10 CUFT BLAST MACHINE	SCHMIDT® 20 CUFT BLAST MACHINE – DUAL OUTLET	SCHMIDT® BULK AMPHIBLAST	MEGA BLASTER BULK BLAST MACHINE	SUPAMEGA BULK BLASTER BLAST MACHINE WITH IN-BUILT AIRPREP	SHIPYARD BLAST POT
Available for Rent	No	No	Yes	Yes	Yes	No
Capacities Available	10 co. ft	20 cu. ft	8t of garnet	40 cu. ft 75 cu. ft 120 cu. ft 175 cu. ft	40 cu. ft 75 cu. ft 120 cu. ft 175 cu. ft	560 cu ft
Number of Outlets	1-2	2	2-4	4	2-4	8
Blast Time	2 ½ manhours	4 manhours	16 blasting hours	8 to 30 manhours	8 to 30 manhours	96 Manhours
Best Applications	Excellent for a blastroom application with 1-2 blasters	Excellent for a blastroom application with 2 blasters	Multiple operator blasting where dust sensitivity is an issue, but containment is not viable.	High production, on site use e.g., coal terminal, fertilizer plant, fuel storage, bridge blasting.	High production, on site use e.g., coal terminal, fertilizer plant, fuel storage, bridge blasting.	High production shipyard Monopile and transition towers
Advantages	Ability for multiple blasters to operate for an extended time without needing to refill	Ability for multiple blasters to operate for an extended time without needing to refill	Ability of multiple outlets to independently blast wet or dry. Dry Blast, Mist Blast, Washdown or Blowdown independently. Unique soft wash feature automatically lowers blast air pressure and increases water flow for an effective, gentle rinse	Built in AirPrep Sufficient capacity to blast with four operators for an entire shift.	Built in AirPrep Sufficient capacity to blast with four operators for an entire shift.	Touchscreen Integrated HMI Level sensors to detect high and low media levels
Options	Combo/Micro pressure release deadman system Thompson pressure hold deadman system Electric deadman handle (will fit to either of the above types of systems)	Combo/Micro pressure release deadman system Thompson pressure hold deadman system Electric deadman handle (will fit to either of the above types of systems)	None	Yard or highway trailer, 20” leg extensions or shipping legs	Yard or highway trailer, 20” leg extensions or shipping legs	Automated slide gate for automatic fill from storage hopper

Why use Multi-Operator Blasting Systems?

Many years ago, large blasting projects were completed using multiple blast machines, each operator having his own blast machine. Subsequently, bulk blasting machines were developed to increase the efficiency of multi-operator blasting projects. The biggest time/cost saver of using a bulk blaster is reducing the time spent refilling the blast machine. Typically, they are filled at the start of a shift and do not need refilling till the end of it. Not only do they reduce the refill labour in filling the pot but the lost time for the blast operator waiting for the pot to be refilled is minimized as well.

In addition, bulk blasters keep the abrasive dryer. This because every time a blast machine depressurizes, a fresh load of wet air enters. By only pressurizing once per shift the constant reintroduction of moist air is reduced. Dryer air equals better flowing abrasive.

Common issues with Multi-Operator Blasting Systems

BlastOne bulk blasters are designed for easy high productivity use and are largely problem free to operate if operated by skilled personnel.

Consideration does need to be given to how they will be loaded. Manual loading from small bags or my shovel is not possible and has to carried out by crane, forklift, or blower truck. This means that the bulk blaster needs to be accessible to this type of equipment.

One issue that does also occur is the fact that not all abrasive is fed out of the bulk blaster. All granular materials have an angle of repose (angle that they will free flow by gravity). Being heavy materials, abrasive blasting materials have a fairly steep angle of repose. The design requirements for a bulk blaster preclude having a base that will give an angle of repose that assist enter evacuation of abrasive. Therefore, there will always be a small amount of abrasive remaining in the bottom of the bulk blaster which may require either removal by vacuum or shovel

Important considerations when choosing the right Multi-Operator Blasting Systems

One of the key decisions when choosing a bulk blaster is whether the worksite where it will eb used will allow refilling by crane or blower truck. As stated above manual filling is not viable

Available compressor size also is a consideration. 4 operators blasting with No.7 nozzles will require a minimum of 1200 cfm. A compressor upsize may be required as well as the purchase of the bulk blaster.

Another choice to be made is whether a highway or yard towable trailer is required. A highway towable trailer has much more stringent design and certification requirements to enable it to be used on public roads and with this comes attendant increased costs. If highway towable is not an absolute necessity, then yard towable may be more economical.

Frequently Asked Questions

What other options are valuable for multi-operator blasting systems?
- Bulk bag frame for the top of a bulk blaster to ensure safe unloading from a bulk bag.
- ASAP depressurization system – This allows depressurization of the hose near the metering valve, which dramatically cuts depressurization. This is advantageous when running long lengths of hose which can take a dangerously long time to depressurize.
- Electric deadman controls.
- Inbuilt Vacuum loading capabilities.
- Access platform.
- Union End Ball Valve for ease of maintenance.
- Time Clock.
Can I turn my Bulk Blaster into a Wet blaster?
- Yes, the Mist Blaster System is ideal for this. This is because the water is added in at the exit of the metering valve with a mist blaster system. The slurry blaster concept that requires filing the blast machine with water is impractical for use on a bulk blaster.
Can I have either electric or pneumatic deadman controls on my bulk blaster?
- Yes, both options are possible. However, the large blasting projects that justify using a bulk blaster also often entail long hose lengths which necessitate the quick response times of an electric dead man system.
What sort of time savings does a bulk blaster provide?
- By way of comparison, a 6.5 cu. ft. pot will need refilling every 90 minutes. Therefore, it will require filling up to 5 times in an eight hour shift. By the time the blaster stops, refills the bulk blaster, and starts blasting again, 20 minutes can have elapsed. Consequently, this can equate 100 minutes blasting time regained in an 8 hour shift by using a bulk blaster.

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