Dec 31, 2023
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Javascript, HTML, CSS Code
<html>
<head>
<script type="text/javascript"> window.addEventListener('error', function(event) { var message = JSON.parse(JSON.stringify(event.message)); var source = event.filename; var lineno = event.lineno; var colno = event.colno; var error = event.error; window.parent.postMessage({ type: 'iframeError', details: { message: message, source: source, lineno: lineno, colno: colno, error: error ? error.stack : '' } }, '*'); }); window.addEventListener('unhandledrejection', function(event) { window.parent.postMessage({ type: 'iframePromiseRejection', details: { reason: event.reason } }, '*'); }); </script>
<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>
<link rel="canonical" href="https://calculator.tools/app/boiler-operation-calculator-897/">
<meta charset="utf-8">
</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>
<script type="text/javascript"> var localStoragePrefix = "ct-897"; var lastSave = 0; function saveLocal(data) { if (Date.now() - lastSave < 1000) { return; } let cookie = localStoragePrefix + "=" + JSON.stringify(data) + "; path=" + window.location.pathname + "'; SameSite=Strict"; cookie += "; expires=" + new Date(Date.now() + 1000 * 60 * 60 * 24 * 365 * 1000).toUTCString(); document.cookie = cookie; lastSave = Date.now(); } function loadLocal() { var cookiePrefix = localStoragePrefix + "="; var cookieStart = document.cookie.indexOf(cookiePrefix); if (cookieStart > -1) { let cookieEnd = document.cookie.indexOf(";", cookieStart); if (cookieEnd == -1) { cookieEnd = document.cookie.length; } var cookieData = document.cookie.substring(cookieStart + cookiePrefix.length, cookieEnd); return JSON.parse(cookieData); } } </script>
<script type="text/javascript"> window.addEventListener('load', function() { var observer = new MutationObserver(function() { window.parent.postMessage({height: document.documentElement.scrollHeight || document.body.scrollHeight},"*"); }); observer.observe(document.body, {attributes: true, childList: true, subtree: true}); window.parent.postMessage({height: document.documentElement.scrollHeight || document.body.scrollHeight},"*"); }); </script>
</body>
</html>
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