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Summary of Contents for Eclipse ThermJet TJ0015 - 2000
- Page 1 Eclipse ThermJet Burners Model TJ0015 - 2000 Technical Information Edition 2.14 Version 2...
- Page 2 Please send your corrections and comments to our Technical Documentation Specialist. Product Name Item # It must be understood that Eclipse’s liability for its product, DD MMM YYYY whether due to breach of warranty, negligence, strict liability, or otherwise is limited to the furnishing of...
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Page 3: Table Of Contents
Table of Contents 1 Introduction..........................4 Product Description ......................4 Audience ..........................4 Purpose ..........................4 ThermJet Documents ......................4 Related Documents......................4 2 Safety............................5 Safety Warnings ........................5 Capabilities........................... 5 Operator Training ......................... 5 Replacement Parts....................... 5 3 System Design........................6 Design .......................... -
Page 4: Introduction
• Used with Datasheets to complete installation Related Documents • EFE 825 (Combustion Engineering Guide) • Eclipse Bulletins and Information Guides: 610, 710, 720, 730, 742, 744, 760, 930 Figure 1.1. Eclipse ThermJet Burner ThermJet, V2, Technical Information, Edition 2.14... -
Page 5: Safety
■ The burners, described herein, are designed to mix should adjust, maintain or troubleshoot any mechanical or fuel with air and burn the resulting mixture. All fuel electrical part of this system. Contact Eclipse for any burning devices are capable of producing fires and needed commissioning assistance. -
Page 6: System Design
@ standard conditions (MJ/m @ normal conditions) 6. Main gas shut-off valve train selection If using an alternative fuel supply, contact Eclipse with an 7. Process temperature control system accurate breakdown of the fuel components. Step 1: Burner Model Selection... -
Page 7: Step 2: Control Methodology
Installation Guide No. 205). performance characteristics. Use the control circuits contained within this section or contact Eclipse for written, approved alternatives. There are two main methods to control the input of a ThermJet system. Each of these methods also has two variants. - Page 8 Modulating Gas & Air NOTE: The ratio regulator can be biased to give excess air at low fire. On-ratio Control or Excess Air @ Low Fire (Figure 3.1) NOTE: Do not use an adjustable limiting orifice (ALO) as A burner system with modulating control gives an input ...
- Page 9 Modulating Gas with Fixed-Air Control NOTE: Use of a ratio regulator in a fixed-air system is (Figure 3.2) optional on a single burner system only. However, eliminating the ratio regulator will adversely affect the A burner system with modulating control gives an input ignition reliability at inputs greater than 40% of maximum.
- Page 10 High/Low Air & Gas Control (Pulse Firing) b. High fire: A control input opens the solenoid valve (Figure 3.3) . As a result the CRS valve quickly moves to high fire. A burner system with high/low control gives a high or low fire input to the process.
- Page 11 High/Low Gas with Fixed-Air Control a. Low fire: A control input closes the solenoid valve . Low fire gas passes through the butterfly valve (Can also be used for pulse firing.) A burner system with high/low control gives a high or a low b.
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Page 12: Step 3: Ignition System
Step 3: Ignition System For the ignition system use: • 6,000 VAC transformer • Full-wave spark transformer • One transformer per burner DO NOT USE: • 10,000 VAC transformer • Twin outlet transformer • Distributor type transformer • Half-wave transformer It is recommended that low fire start be used, however, ThermJet burners are capable of direct spark ignition anywhere within the specified ignition zone (see... - Page 13 Bypass Start Gas (Optional) (Figure 3.5) During the trial for ignition period, the solenoid valve in the bypass line plus the automatic gas shut-off valve (either at A bypass start gas circuit provides gas flow around zone each burner or each zone) are opened. If a flame is gas control valves during the trial for ignition period.
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Page 14: Step 4: Flame Monitoring Control System
The density of the air decreases, and as a result, options: the outlet pressure and the flow of the blower decrease. An accurate description of these effects is in the Eclipse • Flame monitoring control for each burner: if one Combustion Engineering Guide (EFE 825). The Guide... - Page 15 Table 3.3 Fuel Gas Heating Values hp in Bulletin 610. Stoichiometric* Gross Heating Air/Gas Ratio Value 4. Eclipse recommends that you select a totally enclosed Fuel Gas fan cooled (TEFC) motor. (ft q (Btu/ft 5. Select the other parameters: Natural Gas 9.41...
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Page 16: Step 6: Main Gas Shut-Off Valve Train
Step 6: Main Gas Shut-Off Valve Train Consult Eclipse Eclipse can help you design and obtain a main gas shut- off valve train that complies with the current safety standards. The shut-off valve train must comply with all the local safety standards set by the authorities that have jurisdiction. -
Page 17: Appendix
Appendix Conversion Factors Metric to English From Multiply By actual cubic meter/h (am³/h) actual cubic foot/h (acfh) 35.31 normal cubic meter/h (Nm³/h) standard cubic foot /h (scfh) 38.04 degrees Celsius (°C) degrees Fahrenheit (°F) (°C x 9/5) + 32 kilogram (kg) pound (lb) 2.205 kilowatt (kW) -
Page 18: System Schematics
This impulse line is connected between the top of the ratio regulator and the burner body. Main Gas Main Gas Shut-Off Valve Eclipse strongly endorses NFPA as a Shut-Off 790/791 Train minimum. Valve... - Page 19 Bulletin/ Symbol Appearance Name Remarks Info Guide Hermetic Booster Booster is used to increase gas pressure. Automatic butterfly valves are typically used Automatic Butterfly Valve to set the output of the system. Manual butterfly valves are used to balance Manual Butterfly Valve the air or gas flow at each burner.
- Page 20 © Eclipse, Inc. All Rights Reserved...
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