The world leader in serving science CQM Coal Quality Manager

2 CQM  Sample-fed analyzer with a capacity of 0 to 30-tph or 20 to 70- tph  Replaces the 1812C chute analyzer Design of the analysis zone was optimized for coal Half the source strength of the 1812C with the same or better performance. Material flow control designed into the unit Smaller foot print  Moisture gauge is built into the unit  The CQM is a stand-alone unit

3 Thermo Scientific CQM PGNAA Coal Quality Manager

4 CQM Drawing

5 CQM between 2 Bunker Feed Conveyors

6 CQM fed by 2-Stage Sampler

7 7 Thermo CQM Cross Section Cf-252 Neutron Source Fission Gamma Ray Shield Slider Plates Neutron Moderator / Reflector Neutron Shield NaI Crystal Photo-multiplier Tube Shielding Gamma Ray

8 Microwave Moisture Meter

9 CQM

10 CQM installed at Loadout

11 CQM at the pre-plant

12 CQM built into tower at power plant

13 CQM at Power Plant

14 CQM in China

15 CQM in China

16 Simplistic CQM install for first 1.5 years

17 Coal entering a CQM

18 Coal exiting CQM

19 CQM Electrical Specifications Electronic enclosureNEMA 4X, stainless steel box Motor control boxNEMA 4X stainless steel Power needs: Electronics Enclosure230VAC 50 or 60 Hz, 5 amps Motor control box460VAC 50 or 60 Hz, 10 amps or 230VAC 50 or 60 Hz, 20 amps Operator console120VAC 50 or 60 Hz, 5 amps or 230VAC 50 or 60 Hz, 2.5 amps Communication links: Electronics enclosure to Operator console RS-422 twisted pair or Fiber optic 6.25/125 multimode

20 CQM and Sampling System Require Interfacing  Required signals from Sampler to CQM Exit chute plugged (24 VDC dry contact) Exit belt stopped (24 VDC dry contact)  Required signals from CQM to Sampling System Analyzer Ready Signal (5-30VDC or 110VAC dry contact) Input Hopper Overflow (5-30VDC or 110VAC dry contact) CQM Motor on (5-30VDC or 110VAC dry contact) All field connections are laid out on page 9 and 10 of the CQM site prep document.

21 CQM – Flow Control  The flow control through the CQM is controlled by our PLC  Coal enters our hopper from a sampling system  The coal level is read by a Ramsey level sensor  When the coal goes above the set point, the CQM belt will turn on, and control the level accordingly

22 Analyzer Location Issues  CQM Since it requires a sample stream, it’s preferred to integrate it with an existing sampling system Has to be somewhere where the topsize does not exceed 3 inches Requires about 8-10 feet of vertical clearance Need to allow for electronics doors opening source cask placement nearby Liner removal Level sensor at top of input hopper Optimal flow is 3 tph to 15 tph Would like sample increments no less often than every 2 minutes Ideally want it as close as possible to the process being controlled