Bacharach 24-7224 Manual de usuario

Introduction

The Bacharach Flue-Gas Sample Conditioning System consists of the

following components:

• Probe with Peltier Cooler

• Condensate Pump with Water Trap

• Power Supply

The function of this system is to remove water vapor from the ue-gas

sample, thus preventing the formation of water droplets inside the

probe hose. If water droplets were to form inside the hose, a portion of

the gas sample could be absorbed by the water, thus resulting in lower-

than-actual readings of NO2and SO2.

Water vapor is removed from the ue-gas sample by passing the sample

through a Peltier Cooler where the sample is chilled, which in turn,

causes the water vapor contained in the gas sample to be removed from

the sample.

The water that was extracted from the gas sample is then pumped out

of the Peltier Cooler and into a water trap.

The now dry, conditioned ue-gas sample is then sent to its associated

combustion test equipment for analysis.

Product Leadership • Training • Service • Reliability

Figure 1. Flue-Gas Sample Conditioning System

Probe w/ Peltier Cooler

Power Supply

Instruction 24-9415

Flue-Gas Sample

Conditioning System

P/N 24-7224

Rev. 5 – June 2005

Pump

w/ Water Trap

Flue Gas Sample Conditioning System

2Bacharach, Inc. Instruction 24-9415

Technical Data

Probe:

Standard Length......................................................... 11.5 in (295 mm)

Optional Lengths ............................................................. 7 in (180 mm)

19.5 in (500 mm)

39 in (1000 mm)

Peltier Cooler:

Inlet Sample Dew Point.......................................... 149 °F (65 °C) max.

Outlet Sample Dew Point.................18 °F (10 °C) min. below ambient

Cooling Power ................................................................................. 10 W

Environment Temperature ............................. 32 to 104 °F (0 to 40 °C)

Weight ................................................................................8.5 oz (240 g)

Condensate Pump:

Sample Flow Rate..........................................................1.5 LPM @ STP

Length of Hose ...................................................................... 6.6 ft (2 m)

Reservoir Storage........................................................................... 50 ml

Environment Temperature ............................. 32 to 104 °F (0 to 40 °C)

Weight ..............................................................................12.7 oz (360 g)

Power Supply:

Input ..............................................................100 to 240 VAC, 50/60 Hz

Output ............................................................ 9 VDC, max. @ 4 A, max.

Equipment Setup

Refer to Figure 2. If not already done, attach the Peltier cooler to the

probe assembly by rst removing the plastic end cap from the rear of

the probe, and then inserting the cooler’s inlet connector, ensuring rst

that a lter is present between the cooler and probe.

Attach the pump’s inlet hose to the bottom of the Peltier cooler. Water

that is condensed from the ue-gas sample will be pumped into the con-

densate pump’s reservoir through this hose. Note that the condensate

pump can be placed in an upright, horizontal, or hanging position. A

magnet mounted in the base of the pump allows the pump to be at-

tached to overhead ductwork.

Connect the power supply’s DC output connector to the condensate

pump; then connect the condensate pump’s DC output power connector

to the Peltier cooler. The Peltier cooler and its associated condensate

pump are started by plugging the power supply into a source of AC

power that is between 100 and 240 VAC, 50/60 Hz.

Connect the probe assembly’s stack-temperature thermocouple con-

nector, pressure tting, and ue-gas tting to the combustion analyzer

per the analyzer’s instruction manual.

Instruction 24-9415 Bacharach, Inc. 3

Flue Gas Sample Conditioning System

Figure 2. Equipment Setup

PELTIER

COOLER

PROBE ASSEMBLY

PUMP

POWER SUPPLY 100 – 240 VAC

50/60 HZ

Connect to

Combustion Test

Equipment

STACK TEMP.

THERMOCOUPLE

PRESSURE (Blue)

FLUE GAS (Yellow)

Flue Gas Sample Conditioning System

4Bacharach, Inc. Instruction 24-9415

Operation

When ready to conduct a combustion efciency test, plug in the power

supply of the Flue-Gas Sample Conditioning System. You should hear

the condensate pump start running and see the Peltier cooler’s red LED

turn on and off as the cooler is cycled. Note that the cooler’s operating

time changes according to its temperature.

Set up and congure the combustion analyzer as described in its in-

struction manual. Then insert the probe into the ue stack and begin

testing.

During the combustion test, the condensed water vapor from the ue

gas will accumulate inside the pump’s reservoir. If the water level be-

gins to approach the ends of the tubes inside the reservoir, then stop the

test and empty the reservoir as described in the Maintenance Section of

this manual.

WARNING! The probe tube is hot! In the following step, be

sure to allow the probe tube sufcient time to cool before

handling.

At the conclusion of the combustion test, remove the probe from the

stack; then unplug the Peltier cooler’s power supply.

Instruction 24-9415 Bacharach, Inc. 5

Flue Gas Sample Conditioning System

Maintenance

Probe

The probe’s sponge-type lter (Figure 3, Item 9) needs to be inspected at

regular intervals for dirt contamination. Replace lter as necessary by

rst pulling out the Peltier cooler from the probe and then exchanging

the lter with a new one.

Peltier Cooler

The cooler’s wadding lter (Figure 3, Item 12) needs to be inspected at

regular intervals for dirt contamination. Replace lter as necessary by

rst pulling off the lter chamber’s top cap and then exchanging the

lter with a new one.

Condensate Pump

WARNING! The condensed water will be warm and slightly

acidic. Take all necessary precautions to prevent the water

from splashing into your eyes or contacting your skin.

Empty the pump’s reservoir (Figure 3, Item 15) by rst holding the

pump with its reservoir facing downwards. Then twist the reservoir 90

degrees (either clockwise or counterclockwise) to free it from the pump

base. Empty the reservoir; then reattach it to the pump. Before reat-

taching the reservoir, however, make sure that the reservoir’s o-ring

(Figure 3, Item 20) is properly positioned inside its grove in the pump

base.

The pump’s wadding lter (Figure 3, Item 17) needs to be inspected at

regular intervals for dirt contamination. Replace lter as necessary by

rst unscrewing the lter chamber cap and then exchanging the lter

with a new one.

Flue Gas Sample Conditioning System

6Bacharach, Inc. Instruction 24-9415

Replacement Parts

Item Description Part No.

(Fig 3)

Probe:

1 Complete Assembly (w/ 11.5 in. probe tube)................. 24-3038

2 Probe Tubes:

7 in. (180 mm) .......................................................... 24-1183

11.5 in. (295 mm) ..................................................... 24-1184

19.5 in. (500 mm) ..................................................... 24-1185

39 in. (1000 mm) ...................................................... 24-1186

3 Gas Hose Fitting ............................................................ 24-0877

4 Draft Hose Fitting.......................................................... 24-0878

5 Probe Stop ...................................................................... 19-3037

6 Thumb Screw ............................................................... 102-0875

7 Screw, M4 x 6mm......................................................... 501-3829

8 Retaining Nut............................................................... 102-3740

9 Filter (Qty. 5).................................................................. 07-1646

Peltier Cooler & Power Supply:

10 Complete Assembly, Peltier Cooler & Power

Supply (AC Power Cord not included) ....................... 24-1179

11 Plastic End Cap............................................................ 106-5454

12 Filter Wadding ............................................................... 07-1647

13 Power Supply ............................................................... 304-1713

14 AC Power Supply Cord, 3-Wire................................. 4998-8986

Condensate Pump:

15 Complete Assembly........................................................ 24-1180

16 Reservoir ...................................................................... 106-5453

17 Plastic Screw-On Cap .................................................. 106-5455

18 Filter Wadding (Qty. 1).................................................. 24-1205

19 Plastic Cap w/ Drain .................................................... 106-5456

O-Rings:

20 9 x 2 mm ....................................................................... 105-5105

21 4 x 1.75 mm .................................................................. 105-5106

22 50 x 3 mm ..................................................................... 105-5107

23 11 x 1 mm ..................................................................... 105-5108

Instruction 24-9415 Bacharach, Inc. 7

Flue Gas Sample Conditioning System

Figure 3. Replacement Parts

Part of Item 10

21 96

7 8 5 2

Part of Item 10

13 14

20 19

Flue Gas Sample Conditioning System

8Bacharach, Inc. Instruction 24-9415

Bacharach Sales/Service Centers

Service can be obtained by contacting a Bacharach Service

Center at the following locations:

United States

Bacharach Sales/Service Center

621 Hunt Valley Circle

New Kensington, PA 15068

Phone: 724-334-5051

Fax: 724-334-5723

Email: [email protected]

Canada

Bacharach of Canada, Inc.

250 Shields Court Unit #3

Markham, Ontario L3R 9W7 Canada

Phone: 905-470-8985

Fax: 905-470-8963

Email: [email protected]

México

Bacharach de México

Playa Regatas No. 473 Tercer Piso

Col. Militar Marte

Delegación Iztacalco, 08830

México D.F. México

Phones: +52-555-634-7740

+52-555-634-7741

Fax: +52-555-634-7738

Email: [email protected]

Europe

European Headquarters

Bacharach Instruments

Sovereign House, Queensway

Royal Leamington Spa

Warwickshire CV31 3JR

United Kingdom

Phone: +44-1926-338111

Fax: +44-1926-338110

Email: [email protected]

Instruction 24-9415 Bacharach, Inc. 9

Flue Gas Sample Conditioning System

Headquarters:

621 Hunt Valley Circle, New Kensington, PA15068

Ph: 724-334-5000 • Fax: 724-334-5001 • Toll Free: 800-736-4666

Website: www.bacharach-inc.com • E-mail: [email protected]

Printed in U.S.A. ® Registered Trademark

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