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Summary of Contents for Eclipse Combustion ImmersoJet Series
- Page 1 Design Guide No. 330, 10/02 Immersion Burners ImmersoJet Series version 2.20...
- Page 2 Please send your corrections and comments to our Documentation Manager. It must be understood that Eclipse Combustion’s liability for its IABILITY AND products, whether due to breach of warranty, negligence, strict...
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Page 3: About This Manual
About this manual This manual has been written for people who are already UDIENCE familiar with all aspects of an immersion burner and its add-on components, also referred to as “the burner system.” These aspects are: • design/selection • use •... - Page 4 Act carefully. Note: Indicates an important part of the text. Read thoroughly. If you need help, you can contact your local Eclipse Combustion OW TO GET HELP representative. You can also contact Eclipse Combustion at any of the addresses listed on the back of this document.
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Page 5: Table Of Contents
Table of Contents About this manual ............. 3 ..............5 Table of contents Introduction ................7 Product Description ..............7 Safety ..................9 Introduction ................. 9 Safety .................... 9 Capabilities ................... 10 Operator Training ............... 10 Replacement Parts ..............10 System Design .............. - Page 6 This page left blank intentionally. Eclipse ImmersoJet v2.20 Design Guide 330, 10/02...
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Page 7: Introduction
Introduction RODUCT The ImmersoJet (IJ) is a nozzle-mix tube-firing burner that is designed to fire at high velocities through small diameter ESCRIPTION immersion tubes. The standard burner includes a packaged blower, actuator control motor, integral butterfly valve, ratio regulator, burner body, combustion chamber, nozzle (specific to fuel used), rear cover, spark and flame rods, and gas orifice (also specific to fuel used). - Page 8 This page left blank intentionally. Eclipse ImmersoJet v2.20 Design Guide 330, 10/02...
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Page 9: Safety
Read this entire manual before you attempt to start the system. If you do not understand any part of the information in this manual, then contact your local Eclipse representative or Eclipse Combustion before you continue. Eclipse ImmersoJet v2.20 Design Guide 330, 10/02... -
Page 10: Capabilities
Adjustment, maintenance and troubleshooting of the mechanical APABILITIES and the electrical parts of this system should be done by qualified personnel with good mechanical aptitude and experience with combustion equipment. The best safety precaution is an alert and competent operator. PERATOR Thoroughly instruct operators so they demonstrate an RAINING... -
Page 11: System Design
System Design Designing a burner system is a straightforward exercise. The ESIGN steps are: 1. Burner model selection. a. Determine net input required for the tank or process b. Select tube efficiency c. Calculate gross input required d. Select burner model 2. - Page 12 Applications requiring special consideration: URNER ODEL ImmersoJet burners are used for firing spray wash tanks, dip tanks, ELECTION CONTINUED and storage tanks such as those used for fire sprinkler systems. Generally, the small bore system can be used wherever conventional immersion burner systems are used, except where high heat flux off the small bore tube can break down the tanks contents.
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Page 13: Step 2: Tube Design
S S S S S 2: 2: 2: 2: 2: Determine effective tube length ESIGN Find the required effective tube length using the previously selected tube efficiency, net heat input values and the following figures 3.2. or 3.3. The effective length of a tube is the total centerline length of tube covered by liquid. - Page 14 Detailed guidelines for flue sizing calculations are in the Dilution air Eclipse Combustion Engineering Guide (EFE 825). Tube exhaust Draft breaking hood A draft breaking hood is an open connection between the heater tube exhaust and the exhaust stack.
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Page 15: Step 3: Control Methodology
S S S S S 3: 3: 3: 3: 3: Control methodology ONTROL ImmersoJet burners use a modulating on-ratio control system YSTEM as shown in Figure 3.3. To control the heat delivered by the burner, adjust the air flow to the burner. The gas flow will change in proportion to the air flow. -
Page 16: Step 4: Ignition System
For the ignition system you should use: S S S S S 4: 4: 4: 4: 4: GNITION YSTEM • 6000 VAC transformers • full wave spark transformers • one transformer per burner. Do not use: • 10,000 VAC transformers •... -
Page 17: Step 6: Combustion Air System
The density of the air decreases, and as a result, the outlet pressure and the flow of the blower decrease. An accurate description of these effects is in the Eclipse Combustion Engineering Guide (EFE 825). The Guide contains tables to calculate the effect of pressure, altitude and temperature on air. - Page 18 Blower OMBUSTION The rating of the blower must match the system requirements. YSTEM CONTINUED You can find all the blower data in Bulletin 610. Follow these steps: 1. Calculate the outlet pressure. When calculating the outlet pressure of the blower, the total of these pressures must be calculated.
- Page 19 Application example: OMBUSTION A designer of a spray washer has determined the heat input for the YSTEM CONTINUED water tank requires 857,500 Btu/hr. Based on the size of his tank, he has selected a tube efficiency of 70% which results in a gross burner input of 1,225,000 Btu/hr.
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Page 20: Step 7: Main Gas Shut-Off Valve Train
The shut-off valve train must comply with all the local safety standards set by the authorities that have jurisdiction. For details, please contact your local Eclipse Combustion representative or Eclipse Combustion. Note... -
Page 21: Appendix
Appendix Metric to English. ONVERSION ULTIPLY BY ACTORS cubic meter (m cubic foot (ft 35.31 cubic meter/hour (m cubic foot/hour (cfh) 35.31 degrees Celsius (°C) degrees Fahrenheit (°F) (°C x 1.8) + 32 kilogram (kg) pound (lb) 2.205 kilowatt (kW) Btu/hr 3414 meter (m) -
Page 22: Key To The System Schematics
These are the symbols used in the schematics. SCHEMATICS YMBOL PPEARANCE EMARKS ULLETIN NFO GUIDE ImmersoJet burner Main gas shutoff valve train Eclipse Combustion, Inc. Main gas strongly endorses NFPA as a shut-off valve train minimum Combustion air blower The combustion air blower provides the combustion air pressure to the burner (s). - Page 23 YMBOL PPEARANCE EMARKS ULLETIN NFO GUIDE A ratio regulator is used to control the air/gas ratio. The ratio regulator is a sealed unit that adjusts the gas flow in ratio with the air flow. To do this, it measures the air pressure with a Ratio regulator pressure sensing line, the impulse line.
- Page 24 Design Guide 330 10/02 Litho in U.S.A.
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