Natural gas burner: high injection speed, no tempering, no deslagging, and sufficient combustion

Introduction to the characteristics and application range of high-speed temperature regulating burners for natural gas furnaces:

1、 Product features:

1. High combustion efficiency, blue flame, and all parameters in the combustion products meet national environmental protection standards.

2. The flue gas injection speed can reach over 100m/s. According to user requirements, different burner bricks can be used to achieve different flue gas injection speeds.

3. Small power adjustment range, low noise, no flashback, no detachment, good flame shape, and stable combustion.

4. The burner head is made of high-temperature resistant material, which has the advantages of long service life and no rust.

5. It has automatic ignition and flame detection functions, and can be used with automatic igniters and detection controllers to achieve automatic control of kiln temperature and flameout alarm.

2、 Structural principle:

The characteristic of a high-speed temperature regulating burner is that the combustion gas outlet speed of the burner can reach over 100 meters/second, and the temperature of the combustion gas at the outlet is reduced to a temperature close to the heating temperature of the workpiece by adding secondary air. Therefore, the use of high-speed temperature regulating burners can enhance convective heat transfer. It is very beneficial to improve the heating quality of the workpiece and save energy by promoting the airflow circulation in the furnace, unifying the furnace temperature, and reducing the temperature difference between the flame and the workpiece.

3、 Technical performance of burner:

1. Gas type, calorific value, combustion capacity, burner model and structural dimensions are shown in the table

2. The gas pressure before the burner is generated by furnace gas, coke oven gas 3.5-4.5KPa, natural gas, liquefied petroleum gas 5.0-6.0 KPa

3. Air pressure in front of burner: furnace gas, coke oven gas, 4.0-5.0 KPa, natural gas, liquefied petroleum gas, 5.5-6.5 KPa

4. Gas flow rate at the outlet of the burner: 130 meters/second

5. Outlet gas temperature of burner: 150-1300 ℃

6. Burner adjustment ratio: 1:15

7 Noise level (A): 80 (dB)

4、 Instructions for use:

The fuel used for the burner is various types of gas, and its rated heating value is shown in the table. When selecting the burner model, calculate the burner energy (standard cubic meters/hour) based on the actual low heating value of the gas used, and select the burner model in sequence

When the gas pressure before the burner is lower than 3.5KPa (producing furnace gas, coke oven gas) and 5.0KPa (liquefied petroleum gas), the energy of the burner is calculated using the following formula:

V1=sqr2 {P2/35 (50)} V (standard cubic meter/hour)

In the formula, P2- Actual pressure value (KPa)

V - The energy of the burner at the rated gas pressure before the burner. The rated pressure in front of the coke oven gas nozzle is 3.5KPa, and the rated pressure in front of the natural gas liquefied petroleum gas nozzle is 5.0KPa

When preheating the air, the energy of the burner decreases to the following values:

Air preheating temperature (℃)

one hundred and fifty

two hundred

two hundred and fifty

three hundred

three hundred and fifty

four hundred

Energy as a percentage of normal amount (%)

eighty

seventy-six

seventy-two

sixty-nine

sixty-five

sixty-four

Applicable scope:

Applicable industries: metallurgy, chemical industry, ceramics, glass, refractory materials, machinery, papermaking, pharmaceuticals, etc.

Applicable kiln types: industrial kilns and heating equipment such as tunnel kilns, roller kilns, heating furnaces, quenching furnaces, annealing furnaces, hot air furnaces, aluminum melting furnaces, zinc melting furnaces, rotary kilns, drying machines, etc.

5、 Installation and ignition:

1. Installation: The horizontal or vertical installation method of the burner utilizes the foot flange at the root of the burner to connect to the furnace frame. If inclined installation is required, users can modify the inclination angle of the angle flange themselves.

2 ignition: First, open all the flue dampers and furnace doors

Before ignition, turn on the fan to blow the furnace

When igniting, first supply a small amount of air to the burner, connect the igniter, and then turn on the gas. After igniting, turn off the igniter, and adjust the gas volume to the desired state;

If there is no igniter, an open flame or electric igniter can be inserted from the manual ignition hole to ignite the burner;

If equipped with a flame monitoring system, the igniter will automatically stop working after the burner is ignited, and can automatically ignite after the flame is extinguished;

If the gas volume has been increased but has not yet been ignited, the gas should be turned off first, the air volume should be increased to purge the furnace, the cause should be identified, and the ignition should be restarted. Do not: a large amount of gas should accumulate in the furnace and suddenly encounter an open flame, causing gas explosion.

Zhengzhou Zhongwei Environmental Protection Equipment Co., Ltd. ZW series high-speed burners are classified according to different fuels: natural gas high-speed burners, liquefied gas high-speed burners, light hydrocarbon gas high-speed burners, coke oven gas high-speed burners, blast furnace gas high-speed burners, ore furnace gas high-speed burners, yellow phosphorus tail gas high-speed burners, diesel high-speed burners, heavy oil high-speed burners, methanol high-speed burners, etc.

Zhongwei Environmental Protection Group Co., Ltd. (Zhengzhou Zhongwei Environmental Protection Equipment Co., Ltd., Zhengzhou Deste Automation Equipment Co., Ltd.) undertakes the "general contracting" project of large-scale gas and oil fired kilns, automation control systems, desulfurization and denitrification equipment, kiln refractory material masonry, and online monitoring devices both domestically and internationally. It is a "one-stop" environmental protection kiln boiler solution provider and implementer.

Contact number: 15713691937 13849187223

Xiong'an New Area: 19801987223 15720057200

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