Green Manufacturer - July/August 2010

Wash rack water filtration,
recycling equipment

The Hydrokleen product line, recently updated by Hydro Engineering Inc., includes equipment for water filtration and recycling. The products are for use with wash rack systems to collect the wastewater and either filter it for discharge to the sewer or filter and recycle it and process it back into the wash process.

Each component in the line delivers results for a single task. Users can identify contaminants in their wastewater streams that are of concern and then pick the component required to reduce or eliminate that contaminant.

The primary solids filter collects dirt, sand, silt, clay, and gravel in a wash pad. The secondary solids filter removes free-floating or suspended solids with autoindexing bed filters, eliminating bag filters. The CMAUF- 2 removes the suspended solids to 1 micron nominal.

Oil separation is handled with an active oil coalescing system. It collects free-floating oil and floats it to the surface, where it is skimmed and removed with a belt skimmer. Excess water is decanted back to the system.

Bioreactors consume organic material, reduce BOD/COD, and control odor. This moving-bed, self-cleaning bioreac-tor provides a noncorrosive method for bacteria control within the wash rack.

Water filtration is added that contains a target media to filter continuously the water of dissolved solids and emulsified oils. A PLC in this module monitors system activity. Heavy metals filtration is done with a second targeted media absorbing suspended metals.

Hydro Engineering Inc. • 801-972-1181

• www.hydroblaster.com
High-inertia servomotor

Siemens Industry Inc. has introduced the 1FK7-HI high-inertia servomotor. The high rotor inertia makes the control response suitable for high- and variable-load inertia applications, including the feed and auxiliary axes on machine tools, as well as winders and unwinders on converting, packaging, and printing equipment.

The self-cooled servomotors provide stall torque from 3 to 20 Nm and are offered in IP64 or IP65 with IP67 flange degree of protection, with selectable options for plain or keyed shaft, holding brake, 22-bit incremental or absolute encoders, and 18 colors.

A mechanical decoupler between the motor and encoder shaft protects the encoder from mechanical vibrations. If the encoder needs to be exchanged, the device automatically aligns the encoder signal to the rotor pole position, enabling feedbacks to be changed in the field in less than five minutes, according to the manufacturer.

The servomotors also feature the Drive-Cliq® serial bus and electronic nameplate recognition, allowing virtual plug-and-play operation when paired to the Sinamics® S drive platform. All servomotors in this new line are configured to interface with Siemens Sinumerik® CNC technology.

Siemens • 800-879-8079

• www.usa.siemens.com

Industrial AC drive

The Reliance Electric GV6000 drive from Rockwell Automation incorporates general-purpose (V/Hz), sensorless-vector (SVC), and flux-vector (FVC) control. The drive handles simple to complex applications in an expandable platform.

The package has a compact bookshelf design and is suitable for stand-alone, retrofit, or integration into new system designs that require high power density.

All three control methods are standard without the need for option boards. Encoder feedback interface is included on each drive.

A keypad is supplied with every drive, with a backlit LCD providing an interface to the drive. A copycat function transfers parameter sets between drives.