A burner that uses liquid fuel

Abstract

A liquid fuel burner includes a main body, a gas distribution component, a fuel vaporization device, a buffer storage tank, nozzle components, a central burner head, and an outer ring burner head. The gas distribution component is located within the main body and fixed. A central air outlet and an outer ring air outlet are respectively inserted into a central connecting hole and an outer ring connecting hole. The externally threaded nozzle of one nozzle component is screwed into the central air outlet, and the central burner head is located at the upper end of the injector tube. The externally threaded nozzle of another nozzle component is screwed into the outer ring air outlet, and the outer ring burner head is located at the upper end of the injector tube. The fuel vaporization device and the buffer storage tank are located on the main body and are sequentially connected to the air inlet. The central burner head and the outer ring burner head are designed with a circular cavity serving as a secondary air cavity and a cavity for air introduction through the nozzle, achieving high power and sufficient air supply.

Description

Technical Field

[0001] This utility model relates to a stove burner, and more particularly to a burner using liquid fuel. Background Technology

[0002] The existing technology, Chinese patent 202111636191.7, describes a methanol gas stove, including a shell, panel, burner, electromagnetic pump, fuel pipe, electronic control system, and power cord. The burner includes a support, a copper concentrator ring, an injection pipe, and a burner cap. The hollow center of the copper concentrator ring is the combustion zone, and an annular vaporization chamber is located inside. The bottom surface of the copper concentrator ring has an inlet pipe and an outlet pipe communicating with the vaporization chamber, as well as an annular groove. An electric heating element is embedded in the annular groove and sealed by an annular heat-conducting plate. An annular heat-insulating pad is installed on the lower surface of the annular heat-conducting plate. The copper concentrator ring, along with the annular heat-insulating pad, is fixed to the support with screws. The injection pipe is located in the center of the combustion zone of the copper concentrator ring, and its lower end is connected to the outlet pipe of the copper concentrator ring via a metal bend. The problems are: low power and insufficient secondary air. Utility Model Content

[0003] The purpose of this invention is to provide a burner that uses liquid fuel and features high power, sufficient secondary air, and high energy efficiency.

[0004] This invention is implemented as follows: a burner using liquid fuel, characterized in that it includes a main body, a gas distribution component, a fuel vaporization device, a buffer storage tank, a nozzle component, a central burner head, and an outer ring burner head.

[0005] The main body includes a main body with a lower opening, an annular step on the main body, a central connecting hole, an outer ring connecting hole, and a circular cavity with an upper opening. The circular cavity is provided with several radial air holes.

[0006] The air distribution unit includes an air inlet chamber, an air inlet interface, a central air outlet interface, and several air distribution pipes. The suspended end of the air distribution pipe is provided with an outer ring air outlet interface.

[0007] The nozzle assembly includes an externally threaded nozzle section, an ejector tube section, and an air hole located at the lower part of the ejector tube section;

[0008] The gas distribution unit is located and fixed within the main body. The central gas outlet and the outer ring gas outlet are inserted into the central connecting hole and the outer ring connecting hole, respectively. The external thread nozzle of one nozzle component is screwed into the central gas outlet, and the central combustion head is located at the upper end of the ejector tube. The external thread nozzle of another nozzle component is screwed into the outer ring gas outlet, and the outer ring combustion head is located at the upper end of the ejector tube. The fuel vaporization device and the buffer storage tank are located on the main body, and the fuel vaporization device, the buffer storage tank, and the air inlet are connected in sequence.

[0009] Preferably, the lower part of the ejector tube is provided with a regular hexagonal part, and the air hole passes through the facet.

[0010] Preferably, it also includes an annular fixing cavity with a hollow opening surrounding the lower part of the main body and an arc-shaped cover plate, and the outer ring wall of the annular fixing cavity is provided with an inlet / outlet hole and an outlet / outlet hole;

[0011] The fuel vaporization device includes an arc-shaped main body, a radial liquid inlet at one end, and a radial gas outlet at the other end.

[0012] The curved main body is fitted into the annular fixed cavity, the radial liquid inlet and the radial air outlet extend from the inlet and outlet holes respectively, and the curved cover plate is fastened and fixed to the annular fixed cavity.

[0013] Preferably, the curved cover plate is fastened to the annular fixing cavity with screws and is detachable.

[0014] Preferably, the buffer storage tank is fixed to the outer ring wall of the annular fixed cavity, and the buffer storage tank has an upward angle from the air inlet end to the air outlet end.

[0015] Preferably, the fuel vaporization device includes a tube body and an electric heating wire or electric heating tube.

[0016] The main body of the tube includes an arc-shaped main body, a radial inlet tube, and a radial outlet tube.

[0017] The electric heating wire or electric heating tube is located inside the tube body, with its two ends extending out from the suspended ends of the radial inlet pipe and the radial outlet pipe, respectively.

[0018] Preferably, it also includes a guide plate with an upper opening, the guide plate including an annular edge plate provided in the upper opening, a central hole, an outer hole and a number of axial air holes;

[0019] The guide plate is embedded in the circular cavity, and the upper end of the circular cavity supports the annular edge plate. The central burner head and the outer ring burner head extend from the central burner hole and the outer ring burner hole, respectively.

[0020] Preferably, the central device hole, the outer ring device hole, and the axial air hole are respectively provided with flanges, and the guide plate serves as a liquid receiving device.

[0021] This invention relates to a liquid fuel burner. Due to its structure, the central burner head and the outer ring burner head are arranged, and the circular cavity serves as a secondary air chamber and a chamber for introducing air through the nozzle; thus achieving high power and sufficient air supply. Attached Figure Description

[0022] Figure 1 This is the front view of this utility model.

[0023] Figure 2 yes Figure 1A-A view.

[0024] Figure 3 yes Figure 1 B-B view.

[0025] Figure 4 yes Figure 2 C-C view.

[0026] Figure 5 This is one of the exploded perspective views of this utility model.

[0027] Figure 6 This is the second exploded perspective view of this utility model.

[0028] Figure 7 This is the third exploded perspective view of this utility model.

[0029] Figure 8 This is a perspective view of the present invention. Detailed Implementation

[0030] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0031] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0032] like Figure 1 , Figure 2 , Figure 3 As shown, a burner using liquid fuel includes a main body 1, a gas distribution component 2, a fuel vaporization device 3, a buffer storage tank 4, a nozzle component 5, a central burner head 6, and an outer ring burner head 7.

[0033] The main body 1 includes a main seat 11 with a lower opening, an annular step 12 on the main seat 11, a central connecting hole 13, an outer ring connecting hole 14, and a circular cavity 15 with an upper opening. The circular cavity 15 is provided with a plurality of radial air holes 151. The central connecting hole 13 and the outer ring connecting hole 14 are provided on a partition between the main seat and the circular cavity. The outer ring connecting holes 14 are evenly distributed around the central connecting hole 13. There are four outer ring connecting holes 14. The upper end of the main seat 11 is inserted into the through hole of the liquid receiving tray, and the annular step 12 supports the liquid receiving tray.

[0034] The air distribution component 2 includes an air inlet chamber 21, an air inlet interface 22, a central air outlet interface 23, and several air distribution pipes 24. The suspended end of the air distribution pipe 24 is provided with an outer ring air outlet interface 241, and there are four air distribution pipes 24.

[0035] The nozzle component 5 includes an externally threaded nozzle portion 51, an ejector tube portion 52, and an air hole 53 located at the lower part of the ejector tube portion 52;

[0036] The gas distributor 2 is located inside the main body 11 and fixed to the top plate of the main body. The central gas outlet 23 and the outer ring gas outlet 241 are respectively inserted into the central connecting hole 13 and the outer ring connecting hole 14. The external threaded nozzle part 51 of one nozzle part 5 is screwed into the central gas outlet 23, and the central combustion head 6 is located at the upper end of the ejector tube part 52. The external threaded nozzle part 51 of another nozzle part 5 is screwed into the outer ring gas outlet 241, and the outer ring combustion head 7 is located at the upper end of the ejector tube part 52. The fuel vaporization device 3 and the buffer storage tank 4 are located on the main body 11, and the fuel vaporization device 3, the buffer storage tank 4 and the air inlet 22 are connected in sequence.

[0037] As a further improvement of this utility model: the lower part of the ejector tube 52 is provided with a regular hexagonal part 54, and the air hole 53 passes through the facet.

[0038] As a further improvement of this utility model, it also includes an annular fixing cavity 16 with a hollow opening surrounding the lower part of the main body 11 and an arc-shaped cover plate 17. The outer ring wall of the annular fixing cavity 16 is provided with an inlet / outlet hole 161 and an outlet / outlet hole 162.

[0039] The fuel vaporization device 3 includes an arc-shaped main body 31, a radial liquid inlet 32 ​​at one end, and a radial gas outlet 33 at the other end.

[0040] The curved main body 31 is fitted into the annular fixed cavity 16, the radial liquid inlet 32 ​​and the radial air outlet 33 extend from the inlet and outlet holes 161 and 162 respectively, and the curved cover plate 17 is fastened and fixed to the annular fixed cavity 16.

[0041] The curved cover plate 17 is fastened to the annular fixing cavity 16 by screws and is detachable.

[0042] It also includes a fixed column seat 18 provided on the annular fixed cavity 16, the fixed column seat 18 intersects with the seat body 11 at the lower part of the annular step, the upper end of the fixed column seat 18 and the annular step are on the same plane, and a fixed liquid receiving plate is used.

[0043] As a further improvement of this utility model: the buffer storage tank 4 is fixed to the outer ring wall plate of the annular fixed cavity 16, such as... Figure 8 As shown, the buffer storage tank 4 has an upward angle from the air inlet to the air outlet. The buffer storage tank 4 absorbs heat energy from the main body and further circulates the vaporized fuel inside the buffer storage tank 4, reducing the temperature rise of the main body 1.

[0044] like Figure 4 As shown, the fuel vaporization device 3 includes a tube body 34 and an electric heating wire or electric heating tube 35.

[0045] The tube body 34 includes an arc-shaped tube body 341, a radial inlet tube 342, and a radial outlet tube 343.

[0046] The electric heating wire or electric heating tube 35 is located inside the tube body 34, and its two ends extend from the suspended ends of the radial liquid inlet tube 342 and the radial liquid outlet tube 343, respectively.

[0047] As a further improvement of this utility model, it also includes an upper-opening guide plate 8, the guide plate 8 including an annular edge plate 81 provided in the upper opening, a central hole 82, an outer ring hole 83 and a plurality of axial air holes 84.

[0048] The diameter of the central burner hole 82 is larger than that of the central burner head 6, and the diameter of the outer ring burner hole 83 is larger than that of the outer ring burner head 7;

[0049] The guide plate 8 is embedded in the circular cavity 15, and the upper end of the circular cavity 15 supports the annular edge plate 81. The central burner head 6 and the outer ring burner head 7 extend from the central burner hole 82 and the outer ring burner hole 83, respectively. The guide plate 8 is provided to prevent the central burner head 6 and the outer ring burner head 7 from generating negative pressure during combustion, which would prevent the nozzle component 5 from guiding enough primary air. The axial air hole 84 is used to provide secondary air to the central burner head 6 and the outer ring burner head 7.

[0050] The central device hole 82, the outer ring device hole 83 and the axial air hole are respectively provided with flanges, and the guide plate serves as a liquid receiving device.

[0051] Liquid combustion, such as methanol.

[0052] Although embodiments of the present invention have been shown and described, those skilled in the art will understand 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 claims and their equivalents.

Claims

1. A burner using liquid fuel, characterized in that: It includes the main body, gas distribution components, fuel vaporization device, buffer storage tank, nozzle components, center burner head, and outer ring burner head. The main body includes a main body with a lower opening, an annular step on the main body, a central connecting hole, an outer ring connecting hole, and a circular cavity with an upper opening. The circular cavity is provided with several radial air holes. The air distribution unit includes an air inlet chamber, an air inlet interface, a central air outlet interface, and several air distribution pipes. The suspended end of the air distribution pipe is provided with an outer ring air outlet interface. The nozzle assembly includes an externally threaded nozzle section, an ejector tube section, and an air hole located at the lower part of the ejector tube section; The gas distribution unit is located and fixed within the main body. The central gas outlet and the outer ring gas outlet are inserted into the central connecting hole and the outer ring connecting hole, respectively. The external thread nozzle of one nozzle component is screwed into the central gas outlet, and the central combustion head is located at the upper end of the ejector tube. The external thread nozzle of another nozzle component is screwed into the outer ring gas outlet, and the outer ring combustion head is located at the upper end of the ejector tube. The fuel vaporization device and the buffer storage tank are located on the main body, and the fuel vaporization device, the buffer storage tank, and the air inlet are connected in sequence.

2. A burner using liquid fuel according to claim 1, characterized in that: The lower part of the ejector tube is provided with a regular hexagonal part, and the air hole passes through the facet.

3. A burner using liquid fuel according to claim 1, characterized in that: It also includes an annular fixing cavity with a hollow opening surrounding the lower part of the main body and an arc-shaped cover plate. The outer ring wall of the annular fixing cavity is provided with an inlet / outlet hole and an outlet / outlet hole. The fuel vaporization device includes an arc-shaped main body, a radial liquid inlet at one end, and a radial gas outlet at the other end. The curved main body is fitted into the annular fixed cavity, the radial liquid inlet and the radial air outlet extend from the inlet and outlet holes respectively, and the curved cover plate is fastened and fixed to the annular fixed cavity.

4. A burner using liquid fuel according to claim 3, characterized in that: The curved cover plate is fastened to the annular fixing cavity with screws and is detachable.

5. A burner using liquid fuel according to claim 3, characterized in that: The buffer storage tank is fixed to the outer ring wall of the annular fixed cavity, and the buffer storage tank has an upward angle from the air inlet end to the air outlet end.

6. A burner using liquid fuel according to claim 1, characterized in that: The fuel vaporization device includes a tube body and an electric heating wire or electric heating tube. The main body of the tube includes an arc-shaped main body, a radial inlet tube, and a radial outlet tube. The electric heating wire or electric heating tube is located inside the tube body, with its two ends extending out from the suspended ends of the radial inlet pipe and the radial outlet pipe, respectively.

7. A burner using liquid fuel according to claim 1, 2, 3, 4, 5 or 6, characterized in that: It also includes a top-opening guide plate, which includes an annular edge plate, a central hole, an outer ring hole, and several axial air holes. The guide plate is embedded in the circular cavity, and the upper end of the circular cavity supports the annular edge plate. The central burner head and the outer ring burner head extend from the central burner hole and the outer ring burner hole, respectively.

8. A burner using liquid fuel according to claim 7, characterized in that: The central device hole, outer ring device hole and axial air hole are respectively provided with flanges, and the guide plate serves as a liquid receiving device.

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