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Condensing Economizers

Part No. 750-266

2-27

The digital I/O screen allows the user to manually stroke valves and verify input status of the system
for setup and troubleshooting purposes. This screen is password protected to discourage unauthorized
access.

2.5.2 - CEC 10x

System features:

• 128x64 monochrome LCD display with push button style operator interface.
• Digital inputs for fuel type selection
• Relay outputs for valve control and remote alarm indication
• Analog inputs for economizer water temperature, flue gas temperature and firing rate signals
• On-screen indication of economizer water temperatures

The system overview screen displays an overview of economizer performance.

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Содержание C1X Series

Страница 1: ...Economizers 750 266 1 15 CRE CCE C2X C1X Operation Manual...

Страница 2: ......

Страница 3: ...chase orders for replacement manuals to your local Cleaver Brooks authorized representative Manual Part No 750 266 1 15 Printed in U S A Cleaver Brooks 2015 CLEAVER BROOKS Economizers CRE CCE C2X C1X...

Страница 4: ...how a basic burner operates Operating controls will normally function for long periods of time and we have found that some operators become lax in their daily or monthly testing assuming that normal...

Страница 5: ...LATION 1 2 STARTUP 1 7 MONITORING PERFORMANCE 1 8 MAINTENANCE 1 8 OPTIONS 1 10 Section 2 Condensing Economizers C2X and C1X 2 1 GENERAL 2 2 UNLOADING 2 2 INSTALLATION 2 3 OPERATING SEQUENCES EXAMPLE I...

Страница 6: ...vi NOTES...

Страница 7: ...www cleaverbrooks com Section 1 Model CRE and CCE Economizers GENERAL 1 2 UNLOADING 1 2 INSTALLATION 1 2 STARTUP 1 7 MONITORING PERFORMANCE 1 8 MAINTENANCE 1 8 OPTIONS 1 10...

Страница 8: ...ely to the carrier within the allowable time limit The CCE product line units are shipped in enclosed crates To remove the economizer first position the unit while either still in the shipping contain...

Страница 9: ...uately supported In some cases the economizer may be placed directly on top of the combustion source in effect forming the first section of the exhaust duct with the existing exhaust stack lifted or c...

Страница 10: ...he exchanger can then be set on the beams and slid to the lower stack and or stack adapter for final securing Position four 4 tie rods as specified and supplied by others which can be used to suspend...

Страница 11: ...ent Drain piping should include valves of dependable manufacture in order to further reduce the possibility of an undetected leak Safety relief valves as required should be located at the exchanger an...

Страница 12: ...oid safety valve leakage ensure that safety valve set pressure is sufficiently higher than dead head pressure of the feed pump It is recommended that the pipe and circulating tank if included be insul...

Страница 13: ...of the system and begins to take on feedwater normal operation can resume If the final exhaust temperatures are too low pressure drop across the economizer is too high or if the desired water temperat...

Страница 14: ...system containing a pump and BTU storage tank if the economizer pressure relief valve discharges it is likely that there is no or little liquid circulating through the economizer Check the pump opera...

Страница 15: ...e initiated If the economizer is not equipped with a timed automatic sootblower the access door should be opened for inspection and cleaning A large access door optional hinged assembly available for...

Страница 16: ...the flue gas stream The internal bypass damper must be in the open position during blowdown A routine blowdown schedule should be established at time intervals consistent with the soot loading charac...

Страница 17: ...ASSY is controlled by a solenoid valve The solenoid is energized at the beginning ofthe sootblowing cycle by the Delay Timer allowing the ram to move outward to its furthest position At the end of its...

Страница 18: ...r control of thesootblowing cycle as required A manual push button start located at the Pneumatic Drive Cylin der s solenoid allows for amanual override and is used to check test runs for speed at whi...

Страница 19: ...xhaust outlet of the economizer begins to drop to a safe operating exit temperature the flow control valve is adjusted to maintain the proper flow required to stabilize the minimum desired gas tempera...

Страница 20: ...Standard Economizers 1 14 Part No 750 266 Figure 1 7 Piping with circulating tank BOILER...

Страница 21: ...s com Section 2 Model C2X and C1X Condensing Economizers GENERAL 2 2 UNLOADING 2 2 INSTALLATION 2 3 OPERATING SEQUENCES EXAMPLE INSTALLATIONS 2 12 ECONOMIZER CONTROLS 2 24 MONITORING PERFORMANCE 2 29...

Страница 22: ...or further heating of the feedwater after it leaves the deaerator The C1X or the C2X upper stage can also be used to heat any other liquid besides boiler feedwater By matching the economizer with the...

Страница 23: ...Cleaver Brooks representative for suggestions All exchangers include steel pads for mounting to the final support supplied by others as required by the installation NOTE Spare parts may be shipped wit...

Страница 24: ...n no case should the static load on the economizer inlet or outlet flange exceed 500 pounds In no case should any moment be applied to the economizer inlet or outlet Four 4 lifting lugs are supplied o...

Страница 25: ...tion to ensure that no outside forces from thermal expansion to either the exhaust gas connections or to the piping will be permitted Exhaust connections are generally mated with optional mating flang...

Страница 26: ...floor support Figure 2 5 Installation horizontal flow unit w ceiling support Liquid connections are connected either with NPT threaded fittings or flange connections Liquid piping should include shut...

Страница 27: ...ecommended in order to purge air out especially during initial start up 2 3 1 Special Installation Considerations The C B economizer may be installed inside or outside with appropriate drain piping in...

Страница 28: ...lace Consult the factory for suitable descaling solutions 2 3 2 Condensing economizer dimensions and weights Table 2 1 Economizer weights C2X lbs Table 2 2 Dimensions C2X see Figure 2 7 all dimensions...

Страница 29: ...Condensing Economizers Part No 750 266 2 9 Figure 2 7 Dimension diagram C2X BB...

Страница 30: ...L286AL C1X R2D6AL C1X S2F6AL C1X Z2N6AL A 52 2 54 4 61 5 101 6 B 48 0 48 0 58 0 90 0 C 28 4 28 3 32 7 51 4 D 24 6 24 6 28 9 46 7 E 17 1 31 5 39 5 F 16 12 24 12 24 12 31 5 G 53 6 71 6 81 6 118 6 H 10 0...

Страница 31: ...Condensing Economizers Part No 750 266 2 11 Figure 2 8 Dimension diagram C1X G K H J I L M N O A C B D E F I D AA BB...

Страница 32: ...tion describes four typical configurations utilizing the C2X 2 stage economizer NOTE the examples given are for illustrative purposes only individual applications may vary Contact CB to determine the...

Страница 33: ...Condensing Economizers Part No 750 266 2 13 Figure 2 9 Single boiler with deaerator...

Страница 34: ...Condensing Economizers 2 14 Part No 750 266 NOTES to Figure 2 9 CONTACT LOCAL CB REPRESENTATIVE IZING...

Страница 35: ...Condensing Economizers Part No 750 266 2 15 2 4 2 Single boiler with deaerator and surge tank refer to Figure 2 10...

Страница 36: ...Condensing Economizers 2 16 Part No 750 266 Figure 2 10 Single boiler with deaerator and surge tank...

Страница 37: ...Condensing Economizers Part No 750 266 2 17 NOTES to Figure 2 10 CONTACT LOCAL CB REPRESENTATIVE IZING SURGE TANK...

Страница 38: ...Condensing Economizers 2 18 Part No 750 266 2 4 3 Two boilers with deaerator refer to Figure 2 11...

Страница 39: ...Condensing Economizers Part No 750 266 2 19 Figure 2 11 Two boilers with deaerator...

Страница 40: ...Condensing Economizers 2 20 Part No 750 266 NOTES to Figure 2 11 CONTACT LOCAL CB REPRESENTATIVE IZING...

Страница 41: ...Condensing Economizers Part No 750 266 2 21 2 4 4 Two boilers with deaerator and surge tank refer to Figure 2 12...

Страница 42: ...Condensing Economizers 2 22 Part No 750 266 Figure 2 12 Two boilers with deaerator and surge tank...

Страница 43: ...Condensing Economizers Part No 750 266 2 23 NOTES to Figure 2 12 CONTACT LOCAL CB REPRESENTATIVE IZING SURGE TANK...

Страница 44: ...ystem features 5 7 color touchscreen display Digital inputs for fuel type selection Relay outputs for valve control and remote alarm indication Analog inputs for economizer water temperature flue gas...

Страница 45: ...raphical overview screen displays an overview of economizer performance The setpoint entry screens allow the user to configure the system to match individual project requirements These screens are pas...

Страница 46: ...y screen informs the operator of any operating conditions that fall outside of the norm The analog configuration screens allows the user to easily set the scaling values for the analog I O These scree...

Страница 47: ...uthorized access 2 5 2 CEC 10x System features 128x64 monochrome LCD display with push button style operator interface Digital inputs for fuel type selection Relay outputs for valve control and remote...

Страница 48: ...allows the user to configure the system to match individual project requirements This screen is password protected to discourage unauthorized access The digital I O screens allow the user to manually...

Страница 49: ...from the 2 oil from combining with condensate and forming sulfuric acid which would destroy the metallic components In near condensing mode any cold makeup water is routed to the dearator and not thro...

Страница 50: ...er core area will depend on the conditions of temperature and the quality of combustion within the flue gas stream NOTE Ensure that the combustion source is off and is cool and that the economizer is...

Страница 51: ...Condensing Economizers Part No 750 266 2 31...

Страница 52: ...e mail info cleaverbrooks com Web Address http www cleaverbrooks com...

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