Microwave-assisted concrete recycling - Microwave-Assisted Concrete Technology: Production, Demolition and Recycling - page 133

Figure 4.2 Mobile concrete recycling plant.

from nonconcrete debris. The simplest plants, which put no or minimal
effort into the sorting of debris, are referred to as level 1 fixed plants [11].
This class of concrete-recycling plants achieves the lowest level in terms of
recycled output and separation quality. Level 1 plants are similar to mobile
plants in terms of the technology used and usually consist of a number of
simple crushing steps using either jaw or impact crushers (Figure 4.3), fol-
lowed by grain size separation. Because of the relatively large amount of

First Stage
Impact Curtain
with Anvils

Impact Curtain
Adjusting Rods

Second Stage
Impact Curtain
with Anvils

Wear Liners

Rotor

Blow
Bar

Service Door
ird Stage
Impact Plate

Wedge Lock
Assembly

Discharge
Opening

Back-up Bar

(a) (b)

Figure 4.3 Schematic illustration of (a) jaw crusher and (b) impact crusher. (Courtesy of
Jalal Afsar, http://www.engineeringintro.com.)