A06_-_Specifications_for_Air_Cleaner.pdf

Air Screen Cleaner

Specifications

Product capabilities: For cleaning of impurities from free-flowing seed material products. Designed to aspirate, scalp out large material, sift out small material and/or grade product. Cleaner includes shaker feeder, pre-suction and after-suction system, electronic control system, flexible screen flow and air lifting fan.

Delivery to: Iowa DNR, Prairie Resource Center, 2820 Brushy Creek Rd, Lehigh, IA. Forklift available on site.

Deliver by: November 1, 2024

Required features:

Extreme machine dimensions: 5’ L x 2’10” W x 6’10” H

Roll feeder with a ½ HP, 1750 RPM Totally Enclosed Fan Cooled (TEFC) variable speed motor.

Control panel with actuators for regulation of air volume and air velocity in both the pre- and post-aspiration.

Two pass aspiration system. First pass product enters cleaner prior to screening to remove light impurities. Second pass after product has been screened to remove remaining light material.

Screens are fully enclosed for dust control, with doors designed for easy access to screen rows.

Machine is designed to accept one set of (3) 15-3/4" wide x 31-1/2" long screens.

3/4 HP x 1,140 RPM TEFC motor

Capable of around-the-clock operation

230 voltage / 1 phase / 60 HZ voltage

Variable speed tandem bottom air fans with a 3/4 HP x 1,750 RPM TEFC variable speed smart motor.

Tubular steel frame to support screen boats made from 11-gauge tubular steel.

“Quick seal” clean-out feature to reduce screen changeover downtime. Reduces seed lodging between screen and rail.

If building new machine, cull and good discharge should be on left hand discharge when facing unit on screen loading end.

One manual and one can of spare paint.

Required Accessories:

One set of self-cleaning permanent type ball boxes complete with 120 rubber balls.

Spouting, material pans and accessories to accommodate multiple flow configurations.

32 total screens, sizes listed below. Substitutions allowed by request.

Screen frames are a wood design and connected with a glued tongue and groove joint for corners and a glued mortise and tenon joint for middle supports. Steel perforated material is a 20-gauge thick cold rolled steel and is secured to the wood frame with screws.

Screen boxes are designed of 13-ply marine grade wood.

Perforated round metal screens that are 15-3/4" wide by 31-1/2" long: need 24 screens in sizes below

3.5/64 inch

4/64 inch

4.5/64 inch

5/64 inch

5.5/64 inch

6/64 inch

6.5/64 inch

7/64 inch

7.5/64 inch

8/64 inch

9/64 inch

10/64 inch

12/64 inch

14/64 inch

20/64 inch

1/12 inch

1/13 inch

1/15 inch

1/18 inch

1/20 inch

1/21 inch

1/22 inch

1/24 inch

1/25 inch

Slotted hole perforated metal screens that are 15-3/4" wide by 31-1/2" long: need two screens in the sizes below.

11/64 inch by 3/4 inch slotted

7/64 inch by 3/4 inch slotted

Stainless steel wire mesh screens that are 15-3/4" wide by 31-1/2" long: need six screens in the sizes below.

30x30 (openings per square inch)

34x34 (openings per square inch)

40x40 (openings per square inch)

50x50 (openings per square inch)

60x60 (openings per square inch)-need two of these.