Combustion nozzle structure of combustion engine of heat-conducting oil furnace

By introducing the Venturi structure and an oxygen supply electric control valve into the combustion machine, the problem of inaccurate control of oxygen volume in traditional combustion machines is solved, and efficient combustion of gas is achieved and losses are reduced.

CN223121420UActive Publication Date: 2025-07-18LIAONING GLORY SPECIAL GRAPHITE CO LTD
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Patent Information

Application Number
CN202422177498.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-05
Publication Date
2025-07-18
Estimated Expiration
2034-09-05

AI Technical Summary

Technical Problem

Traditional combustion machines directly supply oxygen through blowers, and cannot effectively control the amount of oxygen, resulting in oxygen-rich combustion and insufficient combustion.

Method used

The Venturi structure and an oxygen supply electric control valve are adopted, combined with the negative pressure injection principle, the oxygen supply mode of the combustion engine is improved, the oxygen quantity is controlled through the Venturi effect, and the nozzle assembly and fuel electric control valve are installed in the fuel section to accurately control the fuel flow.

Benefits of technology

Improves gas combustion efficiency, reduces gas losses, and achieves precise mixing and control of oxygen and fuel.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223121420U_ABST
Patent Text Reader

Abstract

The utility model discloses a combustion nozzle structure of a combustion engine of a heat-conducting oil furnace, which relates to the technical field of gas heat-conducting oil furnaces and comprises an air blower, the output end of the air blower is sequentially communicated and connected with an oxygen inlet section, a fuel inlet section and an output section, the inside of the oxygen inlet section is of a venturi structure, and the upper end of the oxygen inlet section is communicated and connected with an oxygen supply pipe. An oxygen supply pipe is arranged at the upper end of the fuel inlet section, an oxygen supply electric control valve is arranged on the oxygen supply pipe, a nozzle assembly is arranged in the fuel inlet section, a fuel supply pipe is arranged at the upper end of the fuel inlet section in a penetrating mode, and a flow meter, a fuel electric control valve and a manual valve are sequentially arranged on the fuel supply pipe. An air distribution mode of an air blower in the prior art is changed into a negative pressure air suction and blowing mode, and an oxygen supply electric control valve is arranged, so that the combustion efficiency of fuel gas is greatly improved, and the loss of the fuel gas is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of gas heat-conducting oil furnaces, and particularly relates to a combustion nozzle structure of a heat-conducting oil furnace burner. Background Technique

[0002] The heat-conducting oil furnace burner is a combustion device specifically used for heat-conducting oil furnaces. It generates high-temperature heat energy by burning fuels (such as natural gas, liquefied petroleum gas, diesel oil, etc.), and then heats the heat-conducting oil to increase its temperature for heat energy transfer in industrial production. Traditional burners usually supply oxygen directly into the combustion device by means of a blower. This method cannot effectively control the amount of input oxygen, resulting in too much or too little oxygen inside the burner, and phenomena of oxygen-rich combustion and incomplete combustion occur. Content of the Utility Model

[0003] The purpose of the utility model is to provide a combustion nozzle structure of a heat-conducting oil furnace burner to solve the problem that traditional burners usually supply oxygen directly into the combustion device by means of a blower. This method cannot effectively control the amount of input oxygen, resulting in too much or too little oxygen inside the burner, and phenomena of oxygen-rich combustion and incomplete combustion occur as mentioned in the above background technique.

[0004] To achieve the above purpose, the utility model provides the following technical solution: A combustion nozzle structure of a heat-conducting oil furnace burner, including a blower, the output end of the blower is sequentially connected in communication with an oxygen inlet section, a fuel inlet section and an output section. The inside of the oxygen inlet section is of a Venturi structure. The upper end of the oxygen inlet section is connected in communication with an oxygen supply pipe, and an oxygen supply electric control valve is arranged on the oxygen supply pipe. The inside of the fuel inlet section is provided with a nozzle assembly. The upper end of the fuel inlet section is provided with a fuel supply pipe passing through, and a flowmeter, a fuel electric control valve and a manual valve are sequentially arranged on the fuel supply pipe.

[0005] Preferably, the fuel supply pipe is sequentially connected in communication with a flowmeter section, a fuel electric control valve section and a manual valve section through flanges, and the flowmeter, the fuel electric control valve and the manual valve are respectively arranged on the flowmeter section, the fuel electric control valve section and the manual valve section in sequence.

[0006] Preferably, a blade group is rotationally connected inside the blower through a rotating shaft. A blower motor is arranged at the middle position at the rear side of the blower, and the power output end of the blower motor is connected with the blade group. An air inlet is connected in communication with the middle position at the front side of the blower.

[0007] Preferably, a fuel connection port is provided with the upper end of the fuel inlet section passing through. The output end of the fuel connection port is connected in communication with the nozzle assembly, and the input end of the fuel connection port is connected in communication with the fuel supply pipe.

[0008] Preferably, an oxygen connection port is connected to the upper end of the oxygen inlet section at the position of the throat of the Venturi structure, and the input end of the oxygen connection port is connected to the oxygen supply pipe.

[0009] Compared with the prior art, the beneficial effects of the present utility model are as follows: According to the Venturi effect, the negative pressure jet suction principle is adopted, the previous air distribution mode of the blower is changed to the mode of negative pressure air suction plus air blowing, and an oxygen supply electric control valve is set, which greatly improves the combustion efficiency of the fuel gas and reduces the loss of the fuel gas. Brief Description of the Drawings

[0010] Figure 1 Is the axonometric view of the main structure of the present utility model;

[0011] Figure 2 Is the front sectional view of the main structure of the present utility model;

[0012] Figure 3 Is the front view of the main structure of the present utility model;

[0013] Figure 4 Is the left view of the main structure of the present utility model;

[0014] Figure 5 Is the top view of the main structure of the present utility model.

[0015] In the figure: 1 - blower, 2 - oxygen inlet section, 3 - fuel inlet section, 4 - output section, 5 - oxygen supply pipe, 6 - oxygen supply electric control valve, 7 - nozzle assembly, 8 - fuel supply pipe, 9 - flowmeter, 10 - fuel electric control valve, 11 - manual valve, 12 - flowmeter section, 13 - fuel electric control valve section, 14 - manual valve section, 15 - blade group, 16 - air blowing motor, 17 - air inlet, 18 - fuel connection port, 19 - oxygen connection port. Detailed Description of the Preferred Embodiments

[0016] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0017] Please refer to Figures 1-5, the present utility model provides a burner nozzle structure for a heat transfer oil furnace, including a blower 1. The output end of the blower 1 is sequentially connected in communication with an oxygen inlet section 2, a fuel inlet section 3, and an output section 4. The interior of the oxygen inlet section 2 is a Venturi structure. The upper end of the oxygen inlet section 2 is connected in communication with an oxygen supply pipe 5. An oxygen supply electric control valve 6 is provided on the oxygen supply pipe 5. A nozzle assembly 7 is provided inside the fuel inlet section 3. A fuel supply pipe 8 penetrates through the upper end of the fuel inlet section 3. A flow meter 9, a fuel electric control valve 10, and a manual valve 11 are sequentially provided on the fuel supply pipe 8.

[0018] During use, the blower 1 sucks in and blows external air into the interior of the oxygen inlet section 2. The oxygen inlet section 2 has a Venturi structure. An oxygen supply pipe 5 is provided at the upper end of the oxygen inlet section 2. Through the design of the Venturi-structured oxygen inlet section 2, the oxygen inside the oxygen supply pipe 5 is sucked into the interior of the oxygen inlet section 2. By providing the oxygen supply electric control valve 6 on the oxygen supply pipe 5, the opening and closing of the oxygen supply pipe 5 are controlled through the oxygen supply electric control valve 6, thereby controlling the output volume of oxygen, mixing the oxygen with the air, and blowing it into the interior of the fuel inlet section 3. A nozzle assembly 7 is provided inside the fuel inlet section 3. Fuel is input into the interior of the nozzle assembly 7 through the fuel supply pipe 8. After ignition, under the action of the wind force, it is output into the interior of the heat transfer oil furnace through the output section 4. A flow meter 9, a fuel electric control valve 10, and a manual valve 11 are provided on the fuel supply pipe 8. The fuel flow is detected through the flow meter 9, the fuel output is controlled and adjusted in real time through the fuel electric control valve 10, and the fuel supply pipe 8 is manually closed or opened through the manual valve 11.

[0019] The fuel supply pipe 8 is sequentially connected in communication with a flow meter section 12, a fuel electric control valve section 13, and a manual valve section 14 through flanges. The flow meter 9, the fuel electric control valve 10, and the manual valve 11 are respectively provided on the flow meter section 12, the fuel electric control valve section 13, and the manual valve section 14 in sequence. By providing the flow meter section 12, the fuel electric control valve section 13, and the manual valve section 14, the flow meter 9, the fuel electric control valve 10, and the manual valve 11 are sequentially provided on the fuel supply pipe 8, which facilitates the disassembly and replacement of the flow meter 9, the fuel electric control valve 10, and the manual valve 11 while ensuring fuel circulation.

[0020] A blade group 15 is rotationally connected inside the blower 1 through a rotating shaft. A blower motor 16 is provided at the middle position on the rear side of the blower 1. The power output end of the blower motor 16 is connected to the blade group 15. An air inlet 17 is connected in communication with the middle position on the front side of the blower 1. The blower motor 16 drives the blade group 15 to suck in external air. The air enters the interior of the blower 1 through the air inlet 17 and is output into the interior of the oxygen inlet section 2 under the acceleration of the blade group 15.

[0021] The upper end of the fuel inlet section 3 is provided with a fuel connection port 18 penetrating therethrough. The output end of the fuel connection port 18 is connected to the nozzle assembly 7 in a communicating manner, and the input end of the fuel connection port 18 is connected to the fuel supply pipe 8 in a communicating manner. By providing the fuel connection port 18, the fuel conveyed by the fuel supply pipe 8 is output to the inside of the nozzle assembly 7.

[0022] The upper end of the oxygen inlet section 2 is connected to an oxygen connection port 19 at the throat position of the Venturi structure in a communicating manner. The input end of the oxygen connection port 19 is connected to the oxygen supply pipe 5 in a communicating manner. By providing the oxygen connection port 19, the oxygen conveyed by the oxygen supply pipe 5 is output to the inside of the Venturi structure of the oxygen inlet section 2, ensuring that the oxygen can be attracted into the inside of the oxygen section 2 through the oxygen inlet section 2 of the Venturi structure.

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

Claims

1. A burner nozzle structure of a heat transfer oil furnace, characterized in that: It includes a blower (1), and the output end of the blower (1) is successively connected in communication with an oxygen inlet section (2), a fuel inlet section (3) and an output section (4). The inside of the oxygen inlet section (2) is of a Venturi structure. The upper end of the oxygen inlet section (2) is connected in communication with an oxygen supply pipe (5), and an oxygen supply electric control valve (6) is provided on the oxygen supply pipe (5). A nozzle assembly (7) is provided inside the fuel inlet section (3). A fuel supply pipe (8) penetrates through the upper end of the fuel inlet section (3), and a flow meter (9), a fuel electric control valve (10) and a manual valve (11) are successively provided on the fuel supply pipe (8).

2. The burner nozzle structure of a heat transfer oil furnace burner according to claim 1, characterized in that: The fuel supply pipe (8) is successively connected in communication with a flow meter section (12), a fuel electric control valve section (13) and a manual valve section (14) through flanges, and the flow meter (9), the fuel electric control valve (10) and the manual valve (11) are respectively arranged on the flow meter section (12), the fuel electric control valve section (13) and the manual valve section (14) in sequence.

3. The structure of the burner nozzle of a heat transfer oil furnace burner according to claim 1, characterized in that: A blade group (15) is rotationally connected inside the blower (1) through a rotating shaft. A blower motor (16) is provided at the middle position at the rear side of the blower (1), and the power output end of the blower motor (16) is connected to the blade group (15). An air inlet (17) is connected in communication with the middle position at the front side of the blower (1).

4. The burner nozzle structure of a heat transfer oil furnace burner according to claim 1, characterized in that: A fuel connection port (18) penetrates through the upper end of the fuel inlet section (3). The output end of the fuel connection port (18) is connected in communication with the nozzle assembly (7), and the input end of the fuel connection port (18) is connected in communication with the fuel supply pipe (8).

5. The burner nozzle structure of a heat transfer oil furnace burner according to claim 1, characterized in that: An oxygen connection port (19) is connected in communication with the upper end of the oxygen inlet section (2) at the throat position of the Venturi structure. The input end of the oxygen connection port (19) is connected in communication with the oxygen supply pipe (5).