Upper air inlet burner

Abstract

An upper air inlet combustor comprises a furnace end, a flow dividing base, a center fire cover and an outer ring fire cover, and the flow dividing base comprises a center fire cover base, a connector, an outer ring fuel gas groove, a center injection pipe in the left-right direction, a center air cavity with a lower opening, a frame-shaped base with an upper center opening, an outer ring injection pipe in the front-back direction, an outer ring air cavity with a lower opening and a frame-shaped base with an upper outer ring opening. The interface is inserted into the cylindrical supporting seat, and the cylindrical supporting seat supports the central fire cover seat; the upper center opening frame-shaped base and the lower center opening frame-shaped base are in butt joint and form a center injection cavity with the center air cavity, and the center air outlet base extends into the center injection pipe and is opposite to the center injection pipe. The upper outer ring opening frame-shaped base and the lower outer ring opening frame-shaped base are in butt joint, the upper outer ring opening frame-shaped base and the outer ring air cavity form an outer ring injection cavity, and the outer ring air outlet base extends into the outer ring injection pipe and is opposite to the outer ring injection pipe. The shunting seat is integrally formed, so that the sealing performance is high; after the flow dividing base and the furnace end are buckled, the center injection cavity and the outer ring injection cavity have the windproof characteristic.

Description

Technical Field

[0001] The utility model relates to a stove burner. Background Art

[0002] The current existing technology, Chinese patent 202410701167.4, discloses an upper air inlet burner and stove. The upper air inlet burner includes a mounting seat, an outer ring nozzle and a burner body, the outer ring nozzle is mounted on the mounting seat; the burner body is arranged on the mounting seat, and a mixing chamber and an outer ring chamber arranged circumferentially around the mixing chamber are arranged in the burner body, and the outer ring chamber is connected to the outer ring fire outlet; a plurality of outer ring gas channels are also arranged between the mixing chamber and the outer ring chamber, and the plurality of outer ring gas channels are evenly spaced along the circumference of the mixing chamber, and both ends of each outer ring gas channel are connected to the outer ring chamber and the mixing chamber, and the outlet of the outer ring nozzle is connected to the mixing chamber through the outer ring ejector. The problem is that the fire cover seat assembly consists of a fire cover upper cover and a fire cover base, which need to be assembled, and there are risks of poor sealing and air leakage. Utility Model Content

[0003] The purpose of the utility model is to provide a top air inlet burner, which has the characteristics of an integrally formed diverter seat and high sealing performance.

[0004] The utility model is realized as follows: a top air inlet burner, which is special in that it includes a burner head, a diverter seat, a central fire cover and an outer ring fire cover,

[0005] The furnace head includes a base plate, a central air inlet base and a central air outlet base, a lower central opening frame base, an outer ring air inlet base and an outer ring air outlet base, a lower outer ring opening frame base and a cylindrical support base provided in the center of the base plate.

[0006] The diverter seat includes a central fire cover seat, an interface, an outer ring gas groove, a left-right central ejector pipe, a lower-opening central air cavity and an upper central opening frame seat, a front-back outer ring ejector pipe, a lower-opening outer ring air cavity and an upper outer ring opening frame seat, the central ejector pipe is connected to the central fire cover seat, the outer ring ejector pipe passes through the central fire cover seat and the gas outlet end is connected to the premixing cavity of the outer ring gas groove;

[0007] The interface is inserted into the cylindrical support seat, and the cylindrical support seat supports the central fire cover seat; the upper central opening frame seat and the lower central opening frame seat are connected to each other and form a central ejection cavity with the central air cavity, and the central air outlet seat extends into the central ejection tube and is opposite to the central ejection tube; the upper outer ring opening frame seat and the lower outer ring opening frame seat are connected to each other and form an outer ring ejection cavity with the outer ring air cavity, and the outer ring air outlet seat extends into the outer ring ejection tube and is opposite to the outer ring ejection tube.

[0008] The special feature of the upper air inlet burner is that an arc-shaped slow-flow diverter plate is provided in the outer ring gas groove, and the arc-shaped slow-flow diverter plate is provided on the radial outer edge of the opening of the premixing chamber and has a gap between it and the outer ring wall plate of the outer ring gas groove.

[0009] The special feature of the upper air inlet burner is that the diverter seat is made of a metal material by die-casting.

[0010] The special feature of the upper air inlet burner is that: the wall panels on both sides of the central air cavity are provided with limit plates, and the two sides of the central air outlet seat cooperate with the limit plates;

[0011] And / or the wall panels on both sides of the outer ring air cavity are provided with limiting plates, and both sides of the outer ring air outlet seat cooperate with the limiting plates.

[0012] The special feature of the upward air inlet burner is that the inner cavities of the central ejector tube and the outer ring ejector tube are circular.

[0013] The utility model relates to a top air inlet burner. The diverter seat is integrally formed and has high sealing performance. After the diverter seat and the burner head are buckled together, the central ejection cavity and the outer ring ejection cavity have the characteristic of being windproof. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a cross-sectional view of the present utility model.

[0015] Figure 2 yes Figure 1 A-A view of.

[0016] Figure 3 yes Figure 2 B-B view.

[0017] Figure 4 It is a three-dimensional diagram of the present utility model.

[0018] Figure 5 This is one of the three-dimensional exploded views of the present invention.

[0019] Figure 6 This is the second three-dimensional exploded view of the present invention. DETAILED DESCRIPTION

[0020] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0021] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to direct connections, indirect connections through an intermediate medium, or internal communication between two components. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances.

[0022] like Figure 1 、 Figure 2 As shown, a top air inlet burner includes a burner head 1, a diverter seat 2, a central fire cover 3 and an outer ring fire cover 4.

[0023] The furnace head 1 includes a base plate 11, a central air inlet seat 121 and a central air outlet seat 122, a lower central opening frame seat 13, an outer ring air inlet seat 141 and an outer ring air outlet seat 142, a lower outer ring opening frame seat 15 and a cylindrical support seat 16 provided at the center of the base plate 11. The central air outlet seat 122 and the central air inlet seat 121 are arranged up and down and are respectively located on the upper surface and the lower surface of the base plate 11, and the lower central opening frame seat 13 corresponds to the central air outlet seat 122; the outer ring air outlet seat 142 and the outer ring air inlet seat 141 are arranged up and down and are respectively located on the upper surface and the lower surface of the base plate 11, and the lower outer ring opening frame seat 15 corresponds to the outer ring air outlet seat 142; Figure 5 As shown, the central air inlet seat 121 and the central air outlet seat 122 are arranged along the Y-axis, and the outer ring air inlet seat 141 and the outer ring air outlet seat 142 are arranged along the X-axis direction; it can also be considered that the central air inlet seat 121 and the central air outlet seat 122 are arranged in the left-right direction, and the outer ring air inlet seat 141 and the outer ring air outlet seat 142 are arranged in the front-back direction;

[0024] like Figure 3 、 Figure 5 As shown, the diverter seat 2 includes a central fire cover seat 21, an interface 22, an outer ring gas groove 23, a central ejector pipe 24 in the left and right directions, a central air cavity 251 with a lower opening, and an upper central opening frame-shaped seat 252, an outer ring ejector pipe 26 in the front and back directions, an outer ring air cavity 271 with a lower opening, and an upper outer ring opening frame-shaped seat 272. The central ejector pipe 24 is connected to the central fire cover seat 21, and the outer ring ejector pipe 26 passes through the central fire cover seat 21 and the gas outlet end is connected to the premixing chamber 28 of the outer ring gas groove 23. For the convenience of description, the left and right and front and back directions mentioned above can also be considered as the front and back directions, and the outer ring ejector pipe 26 can also be considered as the left and right directions.

[0025] The diameter of the center fire cover seat 21 is larger than the diameter of the interface 22;

[0026] The center fire cover is fastened to the center fire cover seat, and the outer ring fire cover is fastened to the outer ring gas groove 23. The interface 22 is inserted into the cylindrical support seat 16, which supports the center fire cover seat 21. The upper center opening frame seat 252 is connected to the lower center opening frame seat 13 and forms a center ejection cavity with the center air cavity 251. The center gas outlet seat 122 extends into the center ejection tube 24 and is opposite to the air inlet end of the center ejection tube 24. The upper outer ring opening frame seat 272 is connected to the lower outer ring opening frame seat 15 and forms an outer ring ejection cavity with the outer ring air cavity 271. The outer ring gas outlet seat 142 extends into the outer ring ejection tube 26 and is opposite to the outer ring ejection tube 26. With this structure, the arrangement of the center ejection cavity and the outer ring ejection cavity prevents indoor wind from affecting the flow of gas.

[0027] As a further improvement of the present invention: an arc-shaped slow-flow diverter plate 231 is provided in the outer ring gas groove 23, and the arc-shaped slow-flow diverter plate 231 is provided on the radial outer edge of the opening of the premixing chamber 28 and there is a gap between it and the outer ring wall plate of the outer ring gas groove 23.

[0028] The diverter seat 2 is made of metal material by die-casting as a whole. During manufacturing, the blanks of the central ejector tube and the outer ring ejector tube 26 are first made and then drilled.

[0029] As a further improvement of the present invention: the wall panels on both sides of the central air cavity 251 are provided with limiting plates 2511, and the two sides of the central air outlet seat 122 cooperate with the limiting plates 2511;

[0030] And / or the outer ring air cavity 271 is provided with stopper plates on both sides, and the outer ring air outlet seat 142 is fitted with the stopper plates on both sides. This structure prevents the diverter seat 2 from rotating relative to the burner head 1, ensuring that the axis of the nozzle of the central air outlet seat coincides with the axis of the central ejector tube, and that the axis of the nozzle of the outer ring air outlet seat coincides with the axis of the outer ring ejector tube.

[0031] The inner cavities of the central ejection tube 24 and the outer ring ejection tube 26 are circular.

[0032] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. An upward air inlet burner, characterized by: Including burner head, diverter seat, center fire cover and outer ring fire cover, The furnace head includes a base plate, a central air inlet base and a central air outlet base, a lower central opening frame base, an outer ring air inlet base and an outer ring air outlet base, a lower outer ring opening frame base and a cylindrical support base provided in the center of the base plate. The diverter seat includes a central fire cover seat, an interface, an outer ring gas groove, a left-right central ejector pipe, a lower-opening central air cavity and an upper central opening frame seat, a front-back outer ring ejector pipe, a lower-opening outer ring air cavity and an upper outer ring opening frame seat, the central ejector pipe is connected to the central fire cover seat, the outer ring ejector pipe passes through the central fire cover seat and the gas outlet end is connected to the premixing cavity of the outer ring gas groove; The interface is inserted into the cylindrical support seat, and the cylindrical support seat supports the central fire cover seat; the upper central opening frame seat and the lower central opening frame seat are connected to each other and form a central ejection cavity with the central air cavity, and the central air outlet seat extends into the central ejection tube and is opposite to the central ejection tube; the upper outer ring opening frame seat and the lower outer ring opening frame seat are connected to each other and form an outer ring ejection cavity with the outer ring air cavity, and the outer ring air outlet seat extends into the outer ring ejection tube and is opposite to the outer ring ejection tube.

2. The upward air inlet burner according to claim 1, characterized in that: An arc-shaped slow-flow diverter plate is provided in the outer ring gas groove. The arc-shaped slow-flow diverter plate is provided at the radial outer edge of the opening of the premixing cavity and has a gap with the outer ring wall plate of the outer ring gas groove.

3. The upward air inlet burner according to claim 1, characterized in that: The diverter seat is made of metal material by die-casting in one piece.

4. The upward air inlet burner according to claim 1, characterized in that: The two side wall panels of the central air cavity are provided with limit plates, and the two sides of the central air outlet seat are matched with the limit plates; And / or the wall panels on both sides of the outer ring air cavity are provided with limiting plates, and both sides of the outer ring air outlet seat cooperate with the limiting plates.

5. The upward air inlet burner according to claim 1, characterized in that: The inner cavities of the central ejector tube and the outer ring ejector tube are circular.

Images