CN-224215870-U - Tubular heating furnace burner assembly with automatic ignition function

Abstract

The utility model provides a burner assembly of a tubular heating furnace with an automatic ignition function, which comprises a main control panel and a plurality of groups of burners, wherein the main control panel is provided with a plurality of groups of burner control and display components, each group of burner control and display components are respectively connected with a corresponding burner, and each group of burners comprises a pulse igniter, a thermocouple electromagnetic valve, an ignition probe and a burner nozzle. After the ignition switch is started, the pulse igniter discharges, the ignition probe forms an electric spark near the burner nozzle, and the fuel gas regulating valve is opened, so that the ignition can be completed, the ignition time is saved, the primary ignition success rate is increased, the stability of the process parameters of the heating furnace is ensured, and the fluctuation of the process parameters such as the flow, the temperature and the pressure of the heating furnace system, which are caused by long-time non-ignition success, is avoided, and the quality of the product of the device is influenced. Through increasing thermocouple response needle, can cut off thermocouple solenoid valve immediately when the heating furnace is flameout, protection device safe and stable operation.

Inventors

• LIU ZE
• ZHAN SHIFENG
• TANG BO
• LIU CHAO
• GU Yu
• WANG MINGYANG
• WANG YANBO
• LIU HONGWEI

Assignees

• 北方华锦化学工业股份有限公司

Dates

Publication Date

20260508

Application Date

20250527

Claims (7)

1. 1. A burner assembly of a tubular heating furnace with an automatic ignition function is characterized in that the burner assembly of the tubular heating furnace comprises a main control panel and a plurality of groups of burners, The main control panel is provided with a plurality of groups of burner control and display components, each group of burner control and display components comprises an ignition switch and a combustion gas regulating valve, and each group of burner control and display components is respectively connected with a corresponding burner; When the ignition is needed, the ignition switch is started, the current acts on the ignition probe through the pulse igniter, electric sparks are formed on the ignition probe, the fuel gas regulating valve is opened, the thermocouple electromagnetic valve opens the fuel gas to spray out through the burner nozzle, and the fuel gas is burnt after contacting the electric sparks released by the ignition probe.
2. 2. The burner assembly for a tube furnace having an auto-ignition function according to claim 1, wherein each of said burner control and display means comprises a flame combustion status indicator lamp for displaying the combustion status of the fuel gas.
3. 3. The tube furnace burner assembly with auto-ignition of claim 1, wherein each set of burners includes a plurality of ignition probes and burner tips.
4. 4. A tube furnace burner assembly with auto-ignition as claimed in claim 3, wherein a plurality of burner tips surround the outer periphery of the plurality of ignition probes.
5. 5. The burner assembly of a tubular furnace with auto-ignition according to claim 1 wherein each burner group comprises a thermocouple sensing pin which converts thermal energy to electrical energy to ensure that the thermocouple solenoid valve is normally open and which transmits a signal to the thermocouple solenoid valve when the burner nozzle is extinguished and the thermocouple solenoid valve is immediately closed to stop the flow of fuel gas into the furnace.
6. 6. The tube furnace burner assembly with auto-ignition of claim 5, wherein each set of burners includes a thermocouple sensing pin.
7. 7. The burner assembly for a tube furnace with auto-ignition function according to claim 6, wherein the thermocouple sensing pin is disposed inside the plurality of ignition probes.

Description

Tubular heating furnace burner assembly with automatic ignition function Technical Field The utility model belongs to the technical field of heating furnace equipment accessories, and particularly relates to a tubular heating furnace burner assembly with an automatic ignition function. Background The tube type heating furnace is a process heating furnace used in industries such as petroleum refining, petrochemical industry, coal chemical industry, tar processing, crude oil conveying and the like, and heated substances are gas or liquid flowing in a tube and are inflammable and explosive substances, and the operation conditions are harsh. Meanwhile, the long-period operation is continuous, and the heating mode directly receives fire. The burner is a heat generating device that atomizes fuel and mixes air to burn the fuel. In the current production, when the burner nozzle needs to be ignited, a worker usually holds the igniter by hand to deeply penetrate into the igniter from a viewing hole at the bottom of the burner to ignite one by one. Due to the fact that the technical levels of personnel and the like are different, the problems of long ignition time, low ignition efficiency and the like are easily caused, so that the outlet temperature of the heating furnace fluctuates, and the stable and continuous operation of the device is affected when serious. Therefore, a tubular heating furnace burner assembly with an automatic ignition function is needed to be designed, when a burner air tap needs to be ignited, a plurality of burners can be ignited quickly and timely, stable temperature of an outlet of the heating furnace is ensured, and fluctuation of a production device is avoided. Disclosure of utility model First, the technical problem to be solved The utility model provides a tubular heating furnace burner assembly with an automatic ignition function, which aims to solve the technical problem that when a burner nozzle needs to be ignited in actual production, the manual ignition time is long and the efficiency is low, so that the operation of a heating furnace is affected, and the flow, the temperature, the pressure and other technological parameters of a device are fluctuated. (II) technical scheme The utility model provides a tubular heating furnace burner assembly with an automatic ignition function, which comprises a main control panel and a plurality of groups of burners, wherein the main control panel is provided with the plurality of groups of burner control and display components, each group of burner control and display components comprises an ignition switch and a combustion gas regulating valve, each group of burner control and display components is respectively connected with a corresponding burner, each group of burners comprises a pulse igniter, a thermocouple electromagnetic valve, an ignition probe and a burner nozzle, when ignition is needed, the ignition switch is started, current acts on the ignition probe through the pulse igniter and forms electric spark on the ignition probe, the fuel gas regulating valve is opened, the thermocouple electromagnetic valve starts fuel gas to spray out through the burner nozzle, and the fuel gas is burnt after contacting the electric spark released by the ignition probe. Further, each set of burner control and display means comprises a flame combustion status indicator light for displaying the combustion status of the fuel gas. Further, each set of burners includes a plurality of ignition probes and burner tips. Further, a plurality of burner tips surrounds the outer periphery of the plurality of ignition probes. Further, each group of combustor comprises a thermocouple induction needle, the thermocouple induction needle converts heat energy into electric energy, the thermocouple electromagnetic valve is guaranteed to be in a normally open state, when a burner nozzle is extinguished, the thermocouple induction needle transmits signals to the thermocouple electromagnetic valve, the thermocouple electromagnetic valve is immediately closed, and fuel gas is stopped from entering the heating furnace. Further, each set of burners includes a thermocouple sensing needle. Further, thermocouple sensing pins are provided inside the plurality of ignition probes. (III) beneficial effects The utility model provides a burner assembly of a tubular heating furnace with an automatic ignition function, which comprises a main control panel and a plurality of groups of burners, wherein the main control panel is provided with a plurality of groups of burner control and display components, each group of burner control and display components comprises an ignition switch and a combustion gas regulating valve, each group of burner control and display components is respectively connected with a corresponding burner, and each group of burners comprises a pulse igniter, a thermocouple electromagnetic valve, an ignition probe and a burner nozzle. After the ignition switch is started,