Scale layer porous rotary fire burner

Abstract

The invention discloses a scaly porous swirl burner. It comprises a positioning base, a burner lower shell, a burner upper shell, a small fire cover and a scaly fire cover, wherein the positioning base is arranged at the bottom of the burner, the burner lower shell is arranged on the upper part of the positioning base, the burner upper shell is arranged on the burner lower shell, the small fire cover is arranged on the burner lower shell, the outer ring of the scaly fire cover cooperates with and is fixedly connected to the inner ring of the burner upper shell, 2-6 circles of evenly distributed scaly protrusions are arranged on the upper part of the scaly fire cover, each circle is provided with 30-50 scaly protrusions, and each scaly protrusion is provided with 1-3 oblique fire holes with an angle of 10°-85° with the horizontal plane. The invention has the characteristics of unique and ingenious structure, beautiful shape, ability to realize swirl combustion of porous flames, high thermal efficiency, long service life, etc.

Description

Technical Field

[0001] The invention relates to a burner, in particular to a burner for a gas stove. Background Art

[0002] Existing gas stove burner heads usually adopt a circular rotating structure, and the fire holes and air intake methods adopt a traditional single structural design. The number of fire holes is small, and there are shortcomings such as dispersed flame combustion area, insufficient combustion, and low thermal efficiency. Some burners with multiple fire holes design often become infrared combustion methods, and infrared burners have the disadvantage of short life due to the high burner head temperature. Summary of the invention

[0003] The purpose of the present invention is to provide a scaly layer porous swirl fire burner which has a unique and ingenious structure, beautiful shape, can realize porous flame swirl fire combustion, has high thermal efficiency and long service life.

[0004] To achieve the above-mentioned purpose, the present invention is realized by the following technical solutions. A scale-layer porous rotary fire burner, comprising a positioning base, a burner lower shell, a burner upper shell, a small fire cover and a scale-layer fire cover, wherein the positioning base is arranged at the bottom of the burner, the burner lower shell is arranged on the upper part of the positioning base, the burner upper shell is arranged on the burner lower shell, the small fire cover is arranged on the burner lower shell, the outer ring of the scale-layer fire cover cooperates with and is fixedly connected to the inner ring of the burner upper shell, 2-6 circles of evenly distributed scale-shaped protrusions are arranged on the upper part of the scale-layer fire cover, each circle is provided with 30-50 scale-shaped protrusions, and each scale-shaped protrusion is provided with 1-3 oblique fire holes with an angle of 10°-85° to the horizontal plane, and a partition convex rib A is arranged at the lower part of the scale-layer fire cover, which is connected to the partition convex rib B of the burner upper shell in a straight line and then connected to the convex rib on the burner lower shell, thereby forming a large fire mixing chamber between the scale-layer fire cover and the burner upper shell and the burner lower shell.

[0005] The scale-layer porous rotary fire burner described above has a scale-fire cover which is a circular sheet body, and four semicircular tabs are provided on its outer circumference and connected to the back of the burner upper shell by screws. Four partition ribs A are provided at the lower part of the scale-fire cover, which are connected to the four partition ribs B provided on the burner upper shell in a straight line and then connected to the cross-shaped ribs on the burner lower shell, thereby forming four large fire mixing chambers between the scale-fire cover and the burner upper shell and the burner lower shell.

[0006] The positioning base of the scaly porous rotary fire burner is a circular sheet with a small fire ejector tube positioning hole in the middle, four large fire ejector tube positioning holes evenly distributed around the circumference, and two nozzle seat positioning holes respectively arranged between the four large fire ejector tube positioning holes.

[0007] The described scaly porous rotary fire burner has 5 cylindrical ejector tubes at the lower part of the burner lower shell, the middle one is a small fire ejector tube, the lower end of which is connected to the small fire ejector tube positioning hole of the positioning base, the outer circle is large fire ejector tubes evenly distributed around the circumference, the lower end of the large fire ejector tube is connected to the large fire ejector tube positioning hole of the positioning base, the upper part of the burner lower shell is an annular disk with a small ejection hole in the center, a small fire cover seat is arranged outside the small ejection hole, a turbine-shaped air inlet is arranged on the outer circle of the small fire cover seat, an ignition needle through hole and a thermocouple through hole are arranged on two sides respectively, the outer circle of the turbine-shaped air inlet and the outer circle of the burner lower shell are divided into four fan-shaped large fire mixing chamber lower halves by four cross-shaped convex ribs, and four screw holes are arranged on the cross-shaped convex rib to connect with the burner upper shell.

[0008] The scale-layer porous rotary fire burner described herein has an annular shell on its upper shell, and a circumferentially distributed threaded hole I connected to the burner lower shell and a threaded hole II connected to the scale fire cover on its back. The threaded hole II is arranged on a crescent-shaped boss, and a semicircular notch is arranged on the crescent-shaped boss, which corresponds to and cooperates with the semicircular notch on the scale fire cover.

[0009] The described scaly porous rotary fire burner has a small fire cover which is a circular shell, and its upper circular surface is provided with 2-6 circles with 10-50 small fire holes in each circle, the angle between the small fire holes and the horizontal plane is 20° to 88°, and ignition needle grooves and thermocouple grooves are provided on both sides of the small fire cover.

[0010] The present invention has the following beneficial effects due to the adoption of the above technical solutions. (1) Due to the adoption of the scale-shaped fire cover fire hole design, the scale-shaped design generates a turbulent layer on the scale surface, increases the secondary air intake, makes the combustion more complete, and greatly improves the combustion thermal efficiency; (2) Due to the adoption of the porous flame swirl combustion technology, the flame temperature is higher and the flame is more concentrated at the bottom of the pot, thereby achieving a higher thermal efficiency; (3) Due to the adoption of the turbine-shaped air inlet method, the secondary air is kept consistent with the flame combustion direction through the turbine-shaped air inlet, making it easy to guide the secondary air during flame combustion, making the combustion more complete and improving the thermal efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the explosion structure of the scale-layer porous rotary fire burner of the present invention.

[0012] Figure 2 It is a three-dimensional structural schematic diagram of the scale-layer porous rotary fire burner of the present invention.

[0013] Figure 3 It is a schematic cross-sectional structure diagram of the scale layer porous rotary fire burner of the present invention.

[0014] Figure 4 It is a front structural schematic diagram of the scale fire cover of the scale layer porous rotary fire burner of the present invention.

[0015] Figure 5 It is a schematic diagram of the back structure of the scale fire cover of the scale layer porous rotary fire burner of the present invention.

[0016] Figure 6 The invention discloses a cross-sectional structural diagram of a scale-layer porous rotary fire burner scale-fire cover.

[0017] Figure 7 It is a front structural schematic diagram of the lower shell of the scale-layer porous rotary fire burner of the present invention.

[0018] Figure 8 It is a schematic diagram of the back structure of the lower shell of the scale-layer porous rotary fire burner of the present invention.

[0019] Fig. 9 It is a front structural schematic diagram of the upper shell of the scale-layer porous rotary fire burner of the present invention.

[0020] Fig.10 It is a schematic diagram of the back structure of the upper shell of the scale-layer porous rotary fire burner of the present invention. DETAILED DESCRIPTION

[0021] The specific implementation modes of the present invention are further described in detail below in conjunction with the accompanying drawings.

[0022] Example 1: Figure 1 , Figure 2 and Figure 3 As shown, the scale-layer porous rotary fire burner comprises a positioning base 1, a burner lower shell 2, a burner upper shell 3, a small fire cover 4 and a scale fire cover 5. The positioning base 1 is arranged at the bottom of the burner, the burner lower shell 2 is arranged on the upper part of the positioning base 1, the burner upper shell 3 is arranged on the burner lower shell 2, the small fire cover 4 is arranged on the burner lower shell 2, the outer ring 29 of the scale fire cover 5 is matched with the inner ring 30 of the burner upper shell 3 and fixedly connected, and three circles of evenly distributed scale-like protrusions 6 are arranged on the upper part of the scale fire cover 5, wherein, The inner circle is provided with 45 scale-like protrusions 6, the middle circle is provided with 45 scale-like protrusions 6, and the outer circle is provided with 45 scale-like protrusions 6. Two oblique fire holes 7 with an angle of 45° to the horizontal plane are provided on each scale-like protrusion 6. A partition convex rib A8-1 is provided at the lower part of the scale-like fire cover 5, which is connected to the partition convex rib B8-2 of the burner upper shell 3 in a straight line and then connected to the convex rib 9 on the burner lower shell 2, so as to form a large fire mixing chamber 10 between the scale-like fire cover 5 and the burner upper shell 3 and the burner lower shell 2. Figure 4 , Figure 5 and Figure 6As shown, the scale fire cover 5 is a circular sheet body, and 4 semicircular brackets 11 are provided on its outer circumference and connected to the back of the burner upper shell 3 by screws. Four partition convex ribs A8-1 are provided at the lower part of the scale fire cover 5, which are connected in a line with the 4 partition convex ribs B8-2 provided on the burner upper shell 3 and then connected with the cross convex ribs 9 on the burner lower shell 2, so that 4 large fire mixing chambers 10 are formed between the scale fire cover 5 and the burner upper shell 3 and the burner lower shell 2. The positioning base 1 is a circular sheet body, and a small fire ejector tube positioning hole 31 is provided in the middle, and 4 large fire ejector tube positioning holes 12 are evenly distributed around the circumference. Two nozzle seat positioning holes 13 are respectively provided between the 4 large fire ejector tube positioning holes 12, as shown in FIG. Figure 7 and Figure 8 As shown, the lower part of the burner lower shell 2 is provided with 5 cylindrical ejector tubes, the middle one is a small fire ejector tube 14, the lower end of which is riveted to the small fire ejector tube positioning hole 31 of the positioning base, the outer circle is a large fire ejector tube 15 evenly distributed around the circumference, the lower end of the large fire ejector tube 15 is riveted to the large fire ejector tube positioning hole 12 of the positioning base, the upper part of the burner lower shell 2 is annular, the center is a small ejector hole 16, a small fire cover seat 17 is arranged outside the small ejector hole 16, a turbine-shaped air inlet 18 is arranged on the outer circle of the small fire cover seat 17, and an ignition needle through hole 19 and a thermocouple through hole 20 are arranged on both sides respectively, the outer circle of the turbine-shaped air inlet 18 and the outer circle of the burner lower shell 2 are divided into four fan-shaped large fire mixing chambers 10 lower halves by four cross-shaped convex ribs 9, and four screw holes 21 are arranged on the cross-shaped convex rib 9 to connect with the burner upper shell 3, as shown in FIG. Fig. 9 and Fig.10 As shown, the burner upper shell 3 is an annular shell, and the back side thereof is provided with threaded holes I22 connected to the burner lower shell 2 and threaded holes II23 connected to the fire cover 5 distributed along the circumference. The threaded holes II23 are arranged on a crescent-shaped boss 24, and a semicircular notch 25 is arranged on the crescent-shaped boss 24. The semicircular notch 25 corresponds to the semicircular tab 11 on the fire cover 5. The small fire cover 4 is a circular shell, and four circles of small fire holes 26 are arranged on the upper circular surface. Each circle is provided with 20, 40, 40, and 40 small fire holes 26 from the inside to the outside, respectively. The angle between the small fire hole 26 and the horizontal plane is 45°, and an ignition needle groove 27 and a thermocouple groove 28 are arranged on both sides of the small fire cover 4.

[0023] Embodiment 2: Four circles of evenly distributed scale-like protrusions 6 are provided on the upper part of the scale-like fire cover 5, wherein the inner circle is provided with 50 scale-like protrusions 6, the two middle circles are provided with 50 scale-like protrusions 6 respectively, and the outer circle is provided with 50 scale-like protrusions 6. Three inclined fire holes 7 with an angle of 30° to the horizontal plane are provided on each scale-like protrusion 6. The rest is the same as Embodiment 1.

[0024] Embodiment 3: Three circles of small fire holes 26 are provided on the upper circular surface of the small fire cover 4, and each circle is provided with 25, 50, and 50 small fire holes 26 from the inside to the outside respectively. The angle between the small fire holes 26 and the horizontal plane is 60°, and the rest is the same as Embodiment 1 or Embodiment 2.

[0025] The above embodiments are only used to explain the present invention and do not constitute a limitation on the scope of the claims. Other alternative means that can be thought of by those skilled in the art based on the contents of the specification should all be within the protection scope of the claims of the present invention.

Claims

1. A scale layer porous rotary fire burner, characterized in that: The invention comprises a positioning base (1), a burner lower shell (2), a burner upper shell (3), a small fire cover (4) and a scale fire cover (5). The positioning base (1) is arranged at the bottom of the burner, the burner lower shell (2) is arranged on the upper part of the positioning base (1), the burner upper shell (3) is arranged on the burner lower shell (2), the small fire cover (4) is arranged on the burner lower shell (2), the outer ring (29) of the scale fire cover (5) is matched with and fixedly connected to the inner ring (30) of the burner upper shell (3), and 2-6 circles of uniformly distributed scale fire cover (5) are arranged on the upper part of the scale fire cover (5). The scale-like protrusions (6) are provided with 30-50 scale-like protrusions (6) in each circle, and each scale-like protrusion (6) is provided with 1-3 inclined fire holes (7) with an angle of 10°-85° with the horizontal plane. A partition convex rib A (8-1) is provided at the lower part of the scale-like fire cover (5), which is connected to the partition convex rib B (8-2) of the burner upper shell (3) in a straight line and then connected to the convex rib (9) on the burner lower shell (2), so as to form a large fire mixing chamber (10) between the scale-like fire cover (5) and the burner upper shell (3) and the burner lower shell (2).

2. The scale layer porous rotary fire burner according to claim 1 is characterized in that The scale fire cover (5) is a circular sheet body, and four semicircular brackets (11) are provided on its outer circumference and connected to the back of the burner upper shell (3) by screws. Four partition convex ribs A (8-1) are provided at the lower part of the scale fire cover (5) and are connected to the four partition convex ribs B (8-2) provided on the burner upper shell (3) in a straight line and then connected to the cross convex ribs (9) on the burner lower shell (2), so as to form four large fire mixing chambers (10) between the scale fire cover (5) and the burner upper shell (3) and the burner lower shell (2).

3. The scale layer porous rotary fire burner according to claim 2 is characterized in that The positioning base (1) is a circular sheet, with a small fire ejector tube positioning hole (31) in the middle, four large fire ejector tube positioning holes (12) evenly distributed around the circumference, and two nozzle seat positioning holes (13) are respectively provided between the four large fire ejector tube positioning holes (12).

4. The scale layer porous rotating fire burner according to claim 3 is characterized in that : The lower part of the burner lower shell (2) is provided with 5 cylindrical ejector tubes, the middle one is a small fire ejector tube (14), the lower end of which is connected to the small fire ejector tube positioning hole (31) of the positioning base, the outer circle is a large fire ejector tube (15) evenly distributed around the circumference, the lower end of the large fire ejector tube (15) is connected to the large fire ejector tube positioning hole (12) of the positioning base, the upper part of the burner lower shell (2) is annular, the center is a small ejector hole (16), outside the small ejector hole (16) A small fire cover seat (17) is provided, and a turbine-shaped air inlet (18) is provided on the outer ring of the small fire cover seat (17). An ignition needle through hole (19) and a thermocouple through hole (20) are provided on two sides respectively. The outer ring of the turbine-shaped air inlet (18) and the outer ring of the burner lower shell (2) are divided into four fan-shaped large fire mixing chamber (10) lower halves by four cross-shaped convex ribs (9). Four screw holes (21) are provided on the cross-shaped convex rib (9) to connect with the burner upper shell (3).

5. The scale layer porous rotating fire burner according to claim 4 is characterized in that The upper shell (3) of the burner is an annular shell, and the back side thereof is provided with threaded holes I (22) connected to the lower shell (2) of the burner and threaded holes II (23) connected to the fire cover (5) distributed along the circumference. The threaded holes II (23) are provided on a crescent-shaped boss (24), and a semicircular notch (25) is provided on the crescent-shaped boss (24). The semicircular notch (25) corresponds to the semicircular tab (11) on the fire cover (5).

6. The scale layer porous rotary fire burner according to claim 1, 2 or 5, characterized in that The small fire cover (4) is a circular arc-shaped shell, and 2-6 circles of small fire holes (26) are arranged on the upper circular arc surface, and each circle has 10-50 small fire holes (26). The angle between the small fire holes (26) and the horizontal plane is 20° to 88°. The two sides of the small fire cover (4) are provided with an ignition needle groove (27) and a thermocouple groove (28).

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