AUTOFLAME Mk7 - Draft Control Set-Up and Commissioning

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6.1.4 Steam Flow Metering without Deaerator, with Economiser

Expansion Option 38.1 set to 3.

6 Steam and Heat Flow Metering

October 2014

Mk7 Manual: Expansion Board Set-Up Guide

Page 105

Main Page

Important Notes5
Introduction11
Water Level Schematic12
Water Level Features13
Set-Up15
Dimensions16
Terminals Description17
Electrical Specification20
Options21
Commissioning Water Level30
Operational Checks33
First Outs Set-Up34
Integrating Other Water Level Controls with Autoflame36
Water Level Probes37
Steam Flow Induced Surge38
Schematic Explanation of the Water Level Probe Operation39
Capacitance Probe40
Schematic of the Probe Sampling Software41
Capacitance Probe – Externally Mounted Pots42
Capacitance Probe – Internally Mounted Pots44
Capacitance Probe – Installation for a Water Tube Boiler46
External Probe Chamber Dimensions47
Capacitance Probe Specification48
Water Level Treatment49
Nd Low Probe50
Modulating Feed Water Valve51
Feed Water Valve Specification52
Bronze Liner53
Feed Water Valve Sizing Calculations54
Flanged Feed Water Valve55
Threaded Feed Water Valve56
Replacing the Servomotor for a Feed Water Valve58
Storage, Operation and Maintenance60
Total Dissolved Solids Management61
TDS Probe Calibration62
Method of TDS Control66
Continuous TDS Blowdown67
Installation of TDS Probe Assembly68
TDS Probe and Autoflame Sampling Vessel69
Top Blowdown Adjusters70
Sample Routine72
Relationship between Conductivity, Temp and TDS Values73
Bottom Blowdown74
Bottom Blowdown Time Reduction75
Bottom Blowdown Valve Drawings78
Front Facia and Dimensions80
Bottom Blowdown Configuration81
Commissioning Bottom Blowdown Module with M.M85
Battery Test89
Bottom Blowdown Timer Configuration90
Commissioning Standalone Bottom Blowdown Module93
Bottom Blowdown Operation97
Further Bottom Blowdown Time Reduction Savings Calculations100
Shunt Switch106
Steam and Heat Flow Metering107
Steam Flow Metering Incorporating a Deaerator112
Calculations for Steam Flow Metering with Deaerator113
Steam Flow Metering Without Deaerator114
Steam Flow Metering Without Deaerator, with Economiser115
Steam Flow Metering with Deaerator116
Steam Flow Metering with Deaerator and Economiser117
Steam Flow Metering with Deaerator and Feed Water Sensor118
Heat Flow Metering119
Heat Flow Metering Calculation120
Heat Flow Metering121
Heat Flow Metering with Economiser122
Draft Control123
Set-Up125
Commissioning with Draft Control127
Draft Control Operation142
Trim Operation144
Troubleshooting and Diagnostics145

AUTOFLAME Mk7 - Draft Control Set-Up and Commissioning

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