Boiler Operation Calculator
About this app
Boiler Operation Calculator - Calculate various parameters related to boiler operation
Boiler Operation Calculator Boiler Operation Calculator Choose Calculation: Calculate Mass Flow Rate and Power Output Calculate Boiler Load Calculate Burner Load Calculate FGR Calculate NOx Conversion and NOx Cal Calculate Air Flow Needed Calculate Chemical Combustion Efficiency Calculate Reset Results:
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Source
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title>Boiler Operation Calculator</title>
<meta name="description" content="Boiler Operation Calculator - Calculate various parameters related to boiler operation">
<meta name="keywords" content="boiler, operation, calculator, mass flow rate, power output, boiler load, burner load, FGR, NOx conversion, NOx Cal, air flow, combustion efficiency">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.6.0/jquery.min.js"></script>
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet"
integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">
<link href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet">
<script type="text/javascript">
try {
// App Javascript Goes Here. Place your entire script content inside the try block for error handling.
// This will run when the DOM is ready.
document.addEventListener("DOMContentLoaded", function() {
function get_input(parameter_name, unit) {
while (true) {
try {
var value = parseFloat(prompt("Enter " + parameter_name + " (" + unit + "): "));
if (isNaN(value)) {
throw new Error("Invalid input. Please enter a numerical value.");
}
return value;
} catch (error) {
alert(error.message);
}
}
}
function calculate_mass_flow_rate(volume_flow_rate, density_of_gas) {
return volume_flow_rate * density_of_gas;
}
function calculate_power_output(mass_flow_rate, calorific_value, conversion_factor) {
return mass_flow_rate * calorific_value * conversion_factor;
}
function calculate_boiler_load(steam_load, boiler_design_steam_load) {
return (steam_load / boiler_design_steam_load) * 100;
}
function calculate_burner_load(burner_maximum_power, burner_power) {
return burner_maximum_power * (burner_power / 100);
}
function calculate_fgr(air_o2, wb_o2, stack_o2) {
return ((air_o2 - wb_o2) / (wb_o2 - stack_o2)) * 100 / 1.06;
}
function calculate_nox_conversion(raw_nox) {
return raw_nox * 2.05;
}
function calculate_nox_cal(nox_conversion, o2_ref) {
return nox_conversion * 17.9 / (20.9 - o2_ref);
}
function calculate_air_flow_needed(gas, excess_air, moles) {
return gas * moles * excess_air;
}
function calculate_efficiency(co2, max_co2) {
return (co2 / max_co2) * 100;
}
function show_result(result_description, value, unit) {
var result = document.createElement("div");
result.innerHTML = "<strong>" + result_description + ":</strong> " + value + " " + unit;
document.getElementById("results").appendChild(result);
}
function clear_results() {
document.getElementById("results").innerHTML = "";
}
function calculate() {
var choice = document.getElementById("calculation-choice").value;
switch (choice) {
case "1":
var volume_flow_rate = get_input("Volume Flow Rate", "m³/h");
var density_of_gas = get_input("Density of Gas", "kg/m³");
var calorific_value = get_input("Calorific Value", "MJ/kg");
var conversion_factor = 0.000277777777777778;
var mass_flow_rate = calculate_mass_flow_rate(volume_flow_rate, density_of_gas);
var power_output = calculate_power_output(mass_flow_rate, calorific_value, conversion_factor);
show_result("Mass Flow Rate", mass_flow_rate, "kg/h");
show_result("Power Output", power_output, "MW");
break;
case "2":
var steam_load = get_input("Steam Load", "T/H");
var boiler_design_steam_load = get_input("Boiler Design Steam Load", "T/H");
var boiler_load = calculate_boiler_load(steam_load, boiler_design_steam_load);
show_result("Boiler Load", boiler_load, "%");
break;
case "3":
var burner_maximum_power = get_input("Burner Maximum Power", "MW");
var burner_power = get_input("Burner Power", "%");
var burner_load = calculate_burner_load(burner_maximum_power, burner_power);
show_result("Burner Load", burner_load, "MW");
break;
case "4":
var air_o2 = get_input("Air o2", "%");
var wb_o2 = get_input("WB o2", "%");
var stack_o2 = get_input("Stack o2", "%");
var fgr = calculate_fgr(air_o2, wb_o2, stack_o2);
show_result("FGR", fgr, "%");
break;
case "5":
var raw_nox = get_input("Raw NOx", "ppm");
var o2_ref = get_input("o2 Ref", "%");
var nox_conversion = calculate_nox_conversion(raw_nox);
var nox_cal = calculate_nox_cal(nox_conversion, o2_ref);
show_result("NOx Conversion", nox_conversion, "mg/Nm³");
show_result("NOx Cal", nox_cal, "mg/Nm³");
break;
case "6":
var gas = get_input("Gas", "m³/h");
var excess_air = get_input("Excess Air", "%");
var moles = get_input("Moles", "law");
var air_flow_needed = calculate_air_flow_needed(gas, excess_air, moles);
show_result("Air Flow Needed", air_flow_needed, "m³/h");
break;
case "7":
var max_co2 = get_input("Max Co2", "%");
var co2 = get_input("Co2", "%");
var efficiency = calculate_efficiency(co2, max_co2);
show_result("Chemical Combustion Efficiency", efficiency, "%");
break;
default:
alert("Invalid choice. Please try again.");
break;
}
}
document.getElementById("calculate-button").addEventListener("click", function() {
clear_results();
calculate();
});
document.getElementById("reset-button").addEventListener("click", function() {
clear_results();
});
});
} catch (error) {
// This will throw the error to the parent window.
throw error;
}
</script>
<style>
/* App CSS Goes Here */
body {
font-family: 'Arial', sans-serif;
}
.container {
margin-top: 50px;
}
h1 {
text-align: center;
margin-bottom: 30px;
}
.input-label {
font-size: 18px;
font-weight: bold;
margin-bottom: 10px;
}
.input-field {
width: 100%;
padding: 10px;
border: 1px solid #ccc;
border-radius: 5px;
margin-bottom: 20px;
font-size: 16px;
}
.button-container {
display: flex;
justify-content: center;
margin-top: 30px;
}
.button {
padding: 10px 20px;
border: none;
border-radius: 5px;
background-color: #dc3545;
color: #fff;
font-size: 18px;
cursor: pointer;
margin-right: 10px;
transition: background-color 0.3s;
}
.button:hover {
background-color: #c82333;
}
.result-container {
margin-top: 50px;
}
.result-label {
font-size: 18px;
font-weight: bold;
margin-bottom: 10px;
}
.result-value {
font-size: 16px;
}
</style>
</head>
<body>
<div id="main-container" class="container">
<h1>Boiler Operation Calculator</h1>
<div class="row">
<div class="col-md-6">
<div class="form-group">
<label class="input-label" for="calculation-choice">Choose Calculation:</label>
<select class="input-field" id="calculation-choice">
<option value="1">Calculate Mass Flow Rate and Power Output</option>
<option value="2">Calculate Boiler Load</option>
<option value="3">Calculate Burner Load</option>
<option value="4">Calculate FGR</option>
<option value="5">Calculate NOx Conversion and NOx Cal</option>
<option value="6">Calculate Air Flow Needed</option>
<option value="7">Calculate Chemical Combustion Efficiency</option>
</select>
</div>
</div>
</div>
<div class="row">
<div class="col-md-6">
<div id="inputs-container">
<!-- Inputs will be dynamically added here based on the selected calculation -->
</div>
<div class="button-container">
<button class="button" id="calculate-button">Calculate</button>
<button class="button" id="reset-button">Reset</button>
</div>
</div>
</div>
<div class="result-container">
<h2>Results:</h2>
<div id="results"></div>
</div>
</div>
<script>
// This will run when the DOM is ready.
document.addEventListener("DOMContentLoaded", function() {
function showInputFields(inputFields) {
var inputsContainer = document.getElementById("inputs-container");
inputsContainer.innerHTML = "";
for (var i = 0; i < inputFields.length; i++) {
var inputField = document.createElement("div");
inputField.innerHTML = '<label class="input-label" for="' + inputFields[i].id + '">' + inputFields[i].label + '</label>' +
'<input class="input-field" type="text" id="' + inputFields[i].id + '">';
inputsContainer.appendChild(inputField);
}
}
function getInputValues() {
var inputsContainer = document.getElementById("inputs-container");
var inputFields = inputsContainer.getElementsByClassName("input-field");
var inputValues = [];
for (var i = 0; i < inputFields.length; i++) {
inputValues.push(parseFloat(inputFields[i].value));
}
return inputValues;
}
function clearInputFields() {
var inputsContainer = document.getElementById("inputs-container");
var inputFields = inputsContainer.getElementsByClassName("input-field");
for (var i = 0; i < inputFields.length; i++) {
inputFields[i].value = "";
}
}
function clearResults() {
document.getElementById("results").innerHTML = "";
}
function showResult(resultDescription, value, unit) {
var resultContainer = document.getElementById("results");
var resultLabel = document.createElement("p");
resultLabel.className = "result-label";
resultLabel.innerHTML = "<strong>" + resultDescription + ":</strong>";
var resultValue = document.createElement("p");
resultValue.className = "result-value";
resultValue.innerHTML = value + " " + unit;
resultContainer.appendChild(resultLabel);
resultContainer.appendChild(resultValue);
}
function calculate() {
var choice = document.getElementById("calculation-choice").value;
switch (choice) {
case "1":
showInputFields([
{ id: "volume-flow-rate", label: "Volume Flow Rate (m³/h)" },
{ id: "density-of-gas", label: "Density of Gas (kg/m³)" },
{ id: "calorific-value", label: "Calorific Value (MJ/kg)" }
]);
var calculateButton = document.getElementById("calculate-button");
calculateButton.addEventListener("click", function() {
var volumeFlowRate = getInputValues()[0];
var densityOfGas = getInputValues()[1];
var calorificValue = getInputValues()[2];
var conversionFactor = 0.000277777777777778;
var massFlowRate = calculateMassFlowRate(volumeFlowRate, densityOfGas);
var powerOutput = calculatePowerOutput(massFlowRate, calorificValue, conversionFactor);
showResult("Mass Flow Rate", massFlowRate, "kg/h");
showResult("Power Output", powerOutput, "MW");
});
break;
case "2":
showInputFields([
{ id: "steam-load", label: "Steam Load (T/H)" },
{ id: "boiler-design-steam-load", label: "Boiler Design Steam Load (T/H)" }
]);
var calculateButton = document.getElementById("calculate-button");
calculateButton.addEventListener("click", function() {
var steamLoad = getInputValues()[0];
var boilerDesignSteamLoad = getInputValues()[1];
var boilerLoad = calculateBoilerLoad(steamLoad, boilerDesignSteamLoad);
showResult("Boiler Load", boilerLoad, "%");
});
break;
case "3":
showInputFields([
{ id: "burner-maximum-power", label: "Burner Maximum Power (MW)" },
{ id: "burner-power", label: "Burner Power (%)" }
]);
var calculateButton = document.getElementById("calculate-button");
calculateButton.addEventListener("click", function() {
var burnerMaximumPower = getInputValues()[0];
var burnerPower = getInputValues()[1];
var burnerLoad = calculateBurnerLoad(burnerMaximumPower, burnerPower);
showResult("Burner Load", burnerLoad, "MW");
});
break;
case "4":
showInputFields([
{ id: "air-o2", label: "Air o2 (%)" },
{ id: "wb-o2", label: "WB o2 (%)" },
{ id: "stack-o2", label: "Stack o2 (%)" }
]);
var calculateButton = document.getElementById("calculate-button");
calculateButton.addEventListener("click", function() {
var airO2 = getInputValues()[0];
var wbO2 = getInputValues()[1];
var stackO2 = getInputValues()[2];
var fgr = calculateFgr(airO2, wbO2, stackO2);
showResult("FGR", fgr, "%");
});
break;
case "5":
showInputFields([
{ id: "raw-nox", label: "Raw NOx (ppm)" },
{ id: "o2-ref", label: "o2 Ref (%)" }
]);
var calculateButton = document.getElementById("calculate-button");
calculateButton.addEventListener("click", function() {
var rawNox = getInputValues()[0];
var o2Ref = getInputValues()[1];
var noxConversion = calculateNoxConversion(rawNox);
var noxCal = calculateNoxCal(noxConversion, o2Ref);
showResult("NOx Conversion", noxConversion, "mg/Nm³");
showResult("NOx Cal", noxCal, "mg/Nm³");
});
break;
case "6":
showInputFields([
{ id: "gas", label: "Gas (m³/h)" },
{ id: "excess-air", label: "Excess Air (%)" },
{ id: "moles", label: "Moles (law)" }
]);
var calculateButton = document.getElementById("calculate-button");
calculateButton.addEventListener("click", function() {
var gas = getInputValues()[0];
var excessAir = getInputValues()[1];
var moles = getInputValues()[2];
var airFlowNeeded = calculateAirFlowNeeded(gas, excessAir, moles);
showResult("Air Flow Needed", airFlowNeeded, "m³/h");
});
break;
case "7":
showInputFields([
{ id: "max-co2", label: "Max Co2 (%)" },
{ id: "co2", label: "Co2 (%)" }
]);
var calculateButton = document.getElementById("calculate-button");
calculateButton.addEventListener("click", function() {
var maxCo2 = getInputValues()[0];
var co2 = getInputValues()[1];
var efficiency = calculateEfficiency(co2, maxCo2);
showResult("Chemical Combustion Efficiency", efficiency, "%");
});
break;
default:
alert("Invalid choice. Please try again.");
break;
}
}
var calculateButton = document.getElementById("calculate-button");
calculateButton.addEventListener("click", function() {
clearResults();
calculate();
});
var resetButton = document.getElementById("reset-button");
resetButton.addEventListener("click", function() {
clearInputFields();
clearResults();
});
});
</script>
</body>
</html>
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