I. Basic Introduction
Only proceed to the next program after the interlock protection with the combustion-aiding fan is fully operational.
1. 1 The biogas boiler is equipped with a single combustion unit capable of 80 × 10^4 kCa1/h biogas combustion, featuring:
The burner design maintains a certain distance between the flame stabilization zone and the nozzle, keeping the nozzle in a constant cooling state, thus extending the nozzle's lifespan, preventing coking and blockages, ensuring excellent burner performance and stable operation.
2. Good flame shaping, regular, robust, without wobble, in a stream-like flame form.
3. Burners burn completely, with high efficiency and significant energy savings.
4. Burner maintenance and inspection cycles are long.
5. The burner has strong adaptability to fuel and high operational flexibility.
The burner features a multi-nozzle swirl structure. After ignition, the gas is injected into the combustion head through the valve and pipeline. Once ignited, it is uniformly mixed with radial swirls, axial recirculation, and small axial-radial jets, forming a flame jet into the furnace. The combustion air and gas mix rapidly near the nozzle, accelerating the combustion rate and increasing the combustion temperature, resulting in efficient combustion. It ensures timely ignition of the gas, stable combustion, no flameout or dropout, and easy adjustment of high and low loads.
1. The 3 burners are structurally designed for easy individual disassembly, facilitating maintenance and cleaning.
4. Burner anthracite flue gas control valve, air调节 valve proportional adjustment.
1. 5, Combustion and Control Systems
i. Aimed at boiler pressure, the fuel ratio control and fan air volume regulation are continuously and automatically completed with no intermediate steps, with a burner adjustment ratio of 1:4.
ii. Full-process automatic flame detection, real-time flame status display, and shutdown protection upon flame extinction.
iii. Burners automatically adjust based on pressure with overpressure protection.
iv. Automatic shutdown of the furnace upon power interruption to the safety interlock device.
v. Fault standby protection alarm, protection.
vi. Low-pressure Gas Protection
Before ignition, perform valve position safety protection and gas pressure
2.1 Composition of the Combustion System.
3 Ignition Air Supply System
Combustion air supply systems consist of combustion blowers, electric air control valves, and so on.
4 Natural Gas Supply System
Gas supply system includes gas pipeline fittings, exhaust valves, pressure gauges, pneumatic cut-off valves, electric actuators, gas proportioning valves, and gas.
Gas arrestor and other components.
5 Gas Ignition Wire Harness
The gas ignition system consists of: ignition point, ignition gas angle seat valve, ignition compressed air solenoid valve, ignition transformer, ignition needle valve, throttle valve, ignition electrode, metal flexible hose, etc.
Programmable Control, Safety Protection, and Load Control System - The Programmable Control, Safety Protection, and Load Control System consists of a programmable controller, flame detectors, gas low-pressure switches, pressure transmitters, valve position protection, control cabinets, and more.