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Bulk
Storage Silo(s)
Bulk storage cementitious
storage can be configured as single units, multi-compartment, or multiple
silo arrangements. Individual and multi-compartment silo sizes range
from 200 BBL's to 2,500 BBL's. Larger bolt-together units are also
available. Storage capacities can be tailored to your production
requirements.
For more information on bulk storage silo configurations please visit
our bulk storage silos
Web page.
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Cement
Weigh Batcher
The cement weigh batcher
provides precise weighing for the plants cementitious materials.
Standard components include NTEP approved stainless steel load cells,
pneumatic inching type discharge valve, aeration, pneumatic vibrator,
and test weight hanging brackets. Multiple cementitious materials weigh
batchers can be provided to increase throughput, prevent cross-contamination,
and preserve color sensitive end products.
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Twin
Shaft Mixer
The capital investment in
a central mix plant is justified by the added benefits of efficiency,
throughput, and versatility that a twin shaft mixer provides in comparison
to a traditional transit mix or dry batch plant. Efficiency is maximized
with reduced cycle and truck loading times, and greater control of concrete
consistency; factors that limit dry batch production. In addition
to greater production capability, a twin shaft mixer offers the versatility
of being able to produce zero slump concrete, roller compacted concrete
(RCC), and flowable fill. Pan, turbine, planetary, and ribbon type
mixers can also be installed in lieu of the twin shaft mixer and provide
similar and unique benefits to the concrete producer. Twin shaft
mixers are available in sizes up to 12 cubic yards. Retrofitting
your existing transit mix plant with a twin shaft mixer can also be a
cost effective way to gain the added benefits of a central mix concrete
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Mixer
Stand & Platform
Custom designed and engineered
mixer support stand and platform tailored to your particular application.
The mixer structural support and access platform can be configured
for truck drive-through and to accommodate unique production layouts.
The platform provides inspection and service access to the mixer.
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Control
& Electrical Containers
Separate stackable control
and electrical containers house the plants automation system and electrical
system. The pre-wired electrical trailer contains the motor control
panel, main disconnect, and transformer for all primary and control devices;
requiring a single power source connection. The electrical system
can be configured to accommodate international voltage requirements and
all interconnecting primary and control wiring can be provided with pin
and sleeve connections to facilitate quick installation. The climate
controlled control trailer contains the plant's computer controlled automation
system, free-standing manual back-up panel, wall mounted mixer slump meter,
and the aggregate handling control panel. The container is fully
insulated and finished with durable furnishings and goods. A modular
stairway, wrap-around inspection platform, and large windows afford the
operator clear views of the truck charging area. |
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Water
Weigh Batcher & Holding Tank
Each central mix plant is
outfitted with a water weigh batcher and holding tank. Weighed
water is a faster and more reliable method for measuring batch water
and a requirement for most batch plants producing high specification
concrete A water meter is provided for loads that require tempering.
Combination water and ice weigh batchers can be provided for producers
that require concrete cooling capability.
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Mixer
Charging Conveyor
The mixer charging conveyor
transfers the weighed aggregate materials from the aggregate weigh batcher
to the mixer. Various sizes and configurations can be designed to
meet your specific layout and production requirements. Most high
speed production plants will have a minimum 48" wide (belt size)
deep truss mixer charging conveyor with 45 degree troughing idlers to
transfer the aggregate materials to the mixer in the most efficient manner.
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Aggregate
Feed System
There are many possibilities
for ground storage and transfer methods of aggregate materials to overhead
plant storage. The systems are designed based upon production requirements,
site topography and size, and budget. Some of the systems available
include: single feed conveyor with electric turnhead or shuttle
conveyor, single feed conveyors for each overhead compartment, radial
stacking conveyors, or a combination thereof. Various ground storage
hopper configurations can be customized for your particular application,
including drive-over systems, tunnel systems, and rail unloading.
These systems can be completely automated. Aggregate heating of
ground storage is also available for cold weather concrete production.
More
information. |
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Concrete
Batch Plant Aggregate Section
The aggregate section consists
of the overhead aggregate storage compartments and the aggregate weigh
batcher. The overhead storage bin can be customized to accommodate
the number of compartments and storage capacity that you require.
The aggregate weigh batcher comes standard with NTEP approved stainless
steel load cells, high speed inching type discharge gate, pneumatic
vibrator, and test weight hanging brackets. Multiple and live
bottom aggregate weigh batchers are available. The overhead bins
and weigh batcher can be supplied with replaceable abrasion resistant
urethane liners, moisture measuring and compensation probes, material
level indicators, and heating systems for cold weather concrete production.
Contact
Us for more information about central mix plants.
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© Copyright 2012 National Concrete Corporation |
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