Bottom air inlet independent center fire three-time mixing premixing type burner

Abstract

The utility model discloses a bottom air inlet independent center fire three-time mixing premixing type burner, and relates to the technical field of burners. The bottom air inlet independent center fire three-time mixing premixing type combustor comprises a shell, a premixing inner core and a center fire three-way device are fixedly arranged on the inner side of the shell, and a plurality of mixing rotating holes are formed in the outer wall of the premixing inner core. Gas can be mixed for the first time quickly after entering the premixing inner core, a foundation is laid for subsequent sufficient combustion, the combustion efficiency is improved, the gas is primarily mixed in the premixing inner core through the mixing rotating hole, and then the gas is secondarily mixed with air in the gas storage chamber through the secondary mixing hole in the top surface of the premixing inner core; and the three-time mixing design can ensure that the fuel gas and the air are fully mixed, so that the combustion is more sufficient, the energy utilization rate is improved, and the emission of harmful gas is reduced.

Description

Technical Field

[0001] This utility model relates to the field of burner technology, specifically a bottom-inlet independent center fire three-stage mixing premixed burner. Background Technology

[0002] A burner is a general term for a device that sprays fuel and air in a specific manner to mix and burn. Burners are classified into several types based on their application: industrial burners, combustion engines, civil burners, and special burners. They are mostly made of corrosion-resistant and high-temperature-resistant materials such as stainless steel or titanium.

[0003] The existing burners do not mix the gas and air sufficiently, resulting in low combustion efficiency, serious energy waste, and the generation of a large amount of harmful gases, which does not meet the current urgent needs for energy conservation and environmental protection. Therefore, a bottom-inlet independent center fire three-stage mixing premixed burner is proposed. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a bottom-inlet independent center-fired tertiary mixing premixed burner, which solves the problem of insufficient mixing of gas and air, resulting in low combustion efficiency, serious energy waste, and the generation of a large amount of harmful gases, thus failing to meet the current urgent needs for energy conservation and environmental protection.

[0005] To achieve the above objectives, this utility model is implemented through the following technical solution: it includes an outer shell, on the inner side of which a premixed inner core and a center fire three-way device are fixedly disposed, and the outer wall of the premixed inner core is provided with a plurality of mixing rotation holes;

[0006] A burner cap base is fixedly mounted on the top surface of the outer casing, and a burner cap is mounted on the burner cap base. The inner side of the burner cap base is a combustion chamber. The top surface of the central ignition three-way device is fixedly mounted through the bottom surface of the burner cap base and extends into the combustion chamber. A flame cap is fitted onto the outer wall of the central ignition three-way device, and an ignition needle and a sensing needle are mounted on the top surface of the flame cap. The central ignition three-way device is fixedly mounted on the inner side of the outer casing, and the top surface of the central ignition three-way device is fixedly mounted through the bottom surface of the premixed inner core and extends into the interior of the premixed inner core.

[0007] Preferably, the outer wall of the outer shell is provided with a main air inlet, and the main air inlet is fixedly extended through the outer wall of the premixed inner core to the interior of the premixed inner core on one side near the premixed inner core.

[0008] Preferably, a central small flame air inlet is fixedly provided through the outer wall of the outer shell, and the side of the central small flame air inlet near the central flame three-way device extends through the outer wall of the central flame three-way device and into the interior of the central flame three-way device.

[0009] Preferably, the bottom surface of the outer casing is provided with a fan air inlet, and the inner side of the fan air inlet is provided with a central small flame air outlet extending into the interior of the outer casing. The top surface of the central small flame air outlet is fixedly provided through the outer wall of the central flame tee device and extends into the interior of the central flame tee device.

[0010] Preferably, a gas storage chamber is provided between the flame cap base and the premixed inner core, a plurality of secondary mixing holes are fixedly provided through the top surface of the premixed inner core, a plurality of air inlets are provided through the bottom surface of the flame cap base, and a plurality of air inlets are provided on the surface of the flame cap.

[0011] Preferably, the bottom surface of the outer casing is fixedly provided with multiple fan connection screw holes.

[0012] This invention provides a bottom-inlet, independent center-fire, tertiary mixing premixed burner. It has the following advantages:

[0013] (I) This bottom-inlet independent center flame three-stage mixing premixed burner has multiple mixing rotating holes on the outer wall of the premixed inner core, which allows the gas to be quickly mixed for the first time after entering, laying the foundation for subsequent complete combustion and improving combustion efficiency. The gas is first initially mixed in the premixed inner core through the mixing rotating holes, then mixed a second time with the air in the gas storage chamber through the secondary mixing holes on the top surface of the premixed inner core, and finally enters the combustion chamber through the air inlet on the surface of the burner cap for the third mixing. This three-stage mixing design can ensure that the gas and air are fully mixed, making combustion more complete, improving energy utilization, and reducing harmful gas emissions. By independently setting the center flame three-way device, the center flame air inlet and the center flame air distribution port are specially designed to provide gas and air for the center flame. With the help of the burner cap, ignition needle and induction needle, the center flame can achieve stable independent combustion, which is convenient for controlling ignition and flame state and ensuring combustion stability and safety.

[0014] (ii) The bottom-inlet independent center fire three-stage mixing premixed burner has a compact layout of components such as the shell, premixed core, and burner base. The design of each air inlet, mixing hole, and gas storage chamber is ingenious, which not only ensures the smooth progress of the combustion process, but also makes the overall structure simple, easy to manufacture, install and maintain. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of this utility model.

[0017] In the diagram: 1. Outer shell; 2. Burner cap; 3. Burner cap; 4. Combustion chamber; 5. Burner cap base; 6. Ignition needle; 7. Gas storage chamber; 8. Secondary mixing port; 9. Premixed inner core; 10. Center burner air inlet; 11. Blower air inlet; 12. Center burner air distribution port; 13. Blower connection screw hole; 14. Center burner tee device; 15. Main air inlet; 16. Mixing rotation port; 17. Induction needle. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Please see Figure 1-2 The present invention provides a technical solution: including a shell 1, a premixed inner core 9 and a center fire three-way device 14 are fixedly arranged on the inner side of the shell 1, and a plurality of mixing rotation holes 16 are opened on the outer wall of the premixed inner core 9;

[0020] A burner cap base 5 is fixedly mounted on the top surface of the outer casing 1. A burner cap 2 is mounted on the burner cap base 5. The inner side of the burner cap base 5 is a combustion chamber 4. A center ignition three-way device 14 is fixedly mounted on the top surface of the burner cap base 5, extending into the combustion chamber 4. A burner cap 3 is fitted on the outer wall of the center ignition three-way device 14. An ignition needle 6 and a sensing needle 17 are mounted on the top surface of the burner cap 3. A center ignition three-way device 14 is fixedly mounted on the inner side of the outer casing 1. The top surface of the center ignition three-way device 14 is fixedly mounted on the top surface of the premixed inner core 9, extending into the premixed inner core 9. A main air inlet 15 is fixedly mounted on the outer wall of the outer casing 1. The side of the main air inlet 15 near the premixed inner core 9 is fixedly mounted on the outer wall of the premixed inner core 9, extending into the premixed inner core 9. A center pilot air inlet 10 is fixedly mounted on the outer wall of the outer casing 1. The central small flame air inlet 10 is fixedly installed on one side near the central flame three-way device 14, extending through the outer wall of the central flame three-way device 14 and into the interior of the central flame three-way device 14. A fan air inlet 11 is provided on the bottom surface of the outer shell 1. A central small flame air distribution port 12 is provided through the inner side of the fan air inlet 11 and extends into the interior of the outer shell 1. The top surface of the central small flame air distribution port 12 is fixedly installed through the outer wall of the central flame three-way device 14 and extends into the interior of the central flame three-way device 14. An air storage chamber is provided between the flame cap base 5 and the premixed inner core 9. Multiple secondary mixing holes 8 are fixedly provided through the top surface of the premixed inner core 9. Multiple air inlets are provided through the bottom surface of the flame cap base 5. Multiple air inlets are provided on the surface of the flame cap 2. Multiple fan connection screw holes 13 are fixedly provided through the bottom surface of the outer shell 1.

[0021] In use, the bottom of the central small flame air outlet 12 and the fan inlet 11 is equipped with a fan connection flange, which can be directly connected to the fan or air inlet pipe. The central small flame air outlet 12 is set between the central flame three-way device 14 and the fan inlet 11. The central small flame air inlet 10 sends the gas into the premixed inner core 9. The side wall of the premixed inner core 9 is provided with a mixing rotation hole 16. After the gas enters, it undergoes the first mixing and enters the gas storage chamber 7. The top surface of the premixed inner core 9 is provided with multiple secondary mixing holes 8. The mixed gas in the gas storage chamber 7 is sent into the burner 2 through the bottom air inlet of the burner base 5, and then into the combustion chamber 4 through the air inlet hole on the surface of the burner 2. Thus, the gas can be sent into the burner cap 3. After high-voltage discharge by the ignition needle 6 and the induction needle 17, the central small flame is ignited. When the main gas inlet 15 is opened, the gas reaches the combustion chamber 4 after mixing, and the central small flame ignites the gas, and the burner head works normally.

[0022] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0023] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A bottom air intake, independent, central fire, three-way mixed, premix burner comprising a casing (1), characterized in that: The premixing inner core (9) is fixedly arranged in the shell (1), and a plurality of mixed rotating holes (16) are formed in the outer wall of the premixing inner core (9). The fire cap base (5) is arranged on the top surface of the shell (1), and the fire cap (2) is arranged on the fire cap base (5). The inner side of the fire cap base (5) is a combustion chamber (4). The center fire three-way device (14) is fixedly arranged on the inner side of the shell (1), and the outer wall of the center fire three-way device (14) is sleeved with the fire cap (3).

2. A bottom air supply independent central fire triple mixed premix burner according to claim 1, characterized in that: The outer wall of the shell (1) is fixedly provided with the main gas inlet (15), and the main gas inlet (15) is fixedly arranged on the side of the premixing inner core (9) and extends to the inside of the premixing inner core (9) through the outer wall of the premixing inner core (9).

3. A bottom air intake, independent, central fire, three-way mixed, premix combustion burner according to claim 1, characterized in that: The outer wall of the shell (1) is fixedly provided with the center small fire inlet (10), and the center small fire inlet (10) is fixedly arranged on the side of the center fire three-way device (14) and extends to the inside of the center fire three-way device (14) through the outer wall of the center fire three-way device (14).

4. A bottom air supply independent central fire triple mixed premix burner according to claim 1, characterized in that: The bottom surface of the shell (1) is provided with the fan air inlet (11), and the center small fire air distribution port (12) is fixedly arranged on the inner side of the fan air inlet (11) and extends to the inside of the shell (1).

5. A bottom air supply independent central fire triple mixed premix burner according to claim 1, characterized in that: The fire cap base (5) and the premixing inner core (9) are provided with a gas storage chamber. The premixing inner core (9) is fixedly provided with a plurality of secondary mixing holes (8) on the top surface. The bottom surface of the fire cap base (5) is provided with a plurality of air inlets. The surface of the fire cap (2) is provided with a plurality of air inlets.

6. A bottom air supply independent central fire triple mixed premix burner according to claim 1, characterized in that: The bottom surface of the shell (1) is fixedly provided with a plurality of fan connecting screw holes (13).

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