CN105351927B - Upper air inlet burner - Google Patents

Abstract

The invention relates to an upper air inlet burner, which is technically characterized in that: the burner comprises a burner base, wherein a base cavity is arranged in the burner base, an inner ring air inlet channel and an outer ring air inlet channel are arranged on the burner base, an inner ring nozzle is arranged on the inner ring air inlet channel, and an outer ring nozzle is arranged on the outer ring air inlet channel; the base upper cover is provided with an air supplement hole; the inner fire cover seat is arranged on the upper cover of the base; the inner fire cover is provided with an inner fire hole, and an inner ring gas channel is defined by the inner fire cover and the inner fire cover seat; one end of the inner injection pipe is opposite to the inner ring nozzle, and the other end of the inner injection pipe is communicated with the inner ring fuel gas channel; the outer fire cover seat is arranged on the upper cover of the base; the outer fire cover is provided with an outer fire hole, an outer ring gas channel is defined by the outer fire cover and the outer fire cover seat, and an air supplement channel is defined between the base upper cover and the outer fire cover seat; and one end of the outer injection pipe is opposite to the outer ring nozzle, and the other end of the outer injection pipe is communicated with the outer ring gas channel. The invention has simple structure and high combustion efficiency.

Description

an upward air burner

【Technical field】

The invention relates to an upward air intake burner.

【Background technique】

After the upper air inlet burner is installed, there is no need to open ventilation holes on the burning appliance, so that cockroaches and mice are not easy to enter the burning appliance, so the interior of the burning appliance is relatively clean, and cleaning and maintenance are more convenient. The upward air intake burner is also widely used, but the upward air intake burner also has its disadvantages. The main reason is that the air supply is insufficient, which may easily lead to incomplete combustion of the gas. In order to supplement enough air, some burners have an air channel that is easy to allow soup, etc. to flow into it. into the burner.

【Content of invention】

The purpose of the present invention is to overcome the deficiencies of the prior art and provide an upward air-intake burner with simple structure, sufficient air supply, complete combustion of gas, and effective prevention of soup from entering the burner.

In order to solve the above problems, the present invention adopts the following technical solutions:

An upward air-intake burner is characterized in that: comprising

The base of the burner, the base of the burner is provided with a base cavity, the base of the burner is provided with an inner ring air intake channel and an outer ring air intake channel, and the inner ring air intake channel communicates with the base cavity An inner ring nozzle is provided at one end, and an outer ring nozzle is provided at the end where the outer ring air intake channel communicates with the base cavity;

The upper cover of the base is arranged on the base of the burner to cover the base cavity, and the upper cover of the base is provided with an air filling hole communicating with the base cavity;

Inner fire cover seat, which is set on the upper cover of the base;

Inner fire cover, it is located on the described inner fire cover seat, is provided with inner fire hole on the described inner fire cover, and described inner fire cover and inner fire cover seat are surrounded with described inner fire cover The inner ring gas channel connected with the seat;

Inner injection pipe, one end of which is opposite to the inner ring nozzle, and the other end communicates with the inner ring gas channel;

The outer fire cover seat is set on the upper cover of the base;

The outer fire cover is arranged on the outer fire cover seat, the inner fire cover is arranged in the outer fire cover and separated from it, the outer fire cover is provided with an outer fire hole, and the outer fire cover The cover and the outer fire cover seat are surrounded by an outer ring gas channel that communicates with the outer fire hole, and the base upper cover and the outer fire cover seat are surrounded by a gas channel that can fill the air into the inner fire. The air filling channel between the cover and the outer fire cover;

One end of the outer injection pipe is opposite to the outer ring nozzle, and the other end communicates with the outer ring gas channel.

The upper air intake burner as described above is characterized in that: the inner fire cover seat, the inner injection pipe and the upper cover of the base are integrally formed.

The upper air intake burner as described above is characterized in that: the middle part of the upper cover of the base is provided with a boss, the air filling hole is arranged on the side wall of the boss, and the inner fire cover seat , The inner injection pipe is arranged on the upper end surface of the boss.

The upper air inlet burner as described above is characterized in that: the upper cover of the base is provided with a guide sleeve communicating with the base cavity, the outer injection pipe is integrally formed with the outer fire cover seat, The outer injection tube extends from the guide sleeve into the cavity of the base.

The upper air intake burner as described above is characterized in that there are three outer ring nozzles arranged in a triangle on the bottom wall of the base cavity, and the outer ring nozzles are arranged in the middle of the bottom wall of the base cavity.

The upper air inlet burner as described above is characterized in that: a baffle is provided in the outer ring gas passage, and a baffle is provided on the baffle, and the baffle blocks the outer guide Above the communication port between the jet tube and the outer ring gas channel.

The upper air inlet burner as described above is characterized in that: the inner injection pipe and the outer injection pipe are three-section pipes, which are composed of an inlet section, a steady flow section, and an air outlet section connected in sequence. The air inlet section and the air outlet section are cone-shaped with a large mouth facing outwards, and the steady flow section is a straight pipe.

The upper air intake burner as described above is characterized in that: the outer fire cover is provided with an energy gathering ring, and there is an air supply gap between the energy gathering ring and the outer fire cover. The upper end of the energy ring is higher than the upper end surface of the outer fire cover.

The upper air inlet burner as described above is characterized in that: the inner side wall of the upper end of the energy gathering ring is provided with an inverted tapered opening, and the inner side wall of the energy gathering ring is provided with a plurality of connecting bosses, so The outer side wall of the outer fire cover is provided with connection edges connected with the connection bosses one by one.

The upper air inlet burner as described above is characterized in that: the edge of the outer fire cover seat is provided with a lower extension extending downward, and the lower extension is separated from the upper cover of the base by a certain distance for air to enter the The air make-up channel described above.

The beneficial effects of the present invention are as follows: the air replenishment hole replenishes air into the burner to provide primary air, mainly providing air at the nozzle, and the air replenishment channel replenishes air between the inner fire cover and the outer fire cover to provide The secondary air mainly supplements the air during gas combustion. Of course, the air can also enter the burner from the air supplement channel through the air supplement hole. In this way, after two air supplements, enough air can be provided to make the gas burn fully. At the same time, the base upper cover covers the base cavity, and the outer fire cover seat is set on the base upper cover, so that when the soup is poured out, it will flow down along the outer fire cover seat and will not directly enter the base cavity; the inner fire cover seat, The inner injection pipe and the upper cover of the base are integrally formed, and the soup is directly blocked on the upper cover of the base when it is poured down; the inner ejection channel and the outer ejection pipe are three-section, and the straight pipe section in the middle can stabilize the flow , so that the gas flow is stable and the combustion rate is improved; an energy-gathering ring is set outside the outer fire cover, so that when the gas burns, the heat is not easy to lose, and it can play a certain role in blocking the wind; the edge of the outer fire cover seat is provided with a downward extending The lower extension, so that the lower extension can partially block the air filling hole, so that the whole burner is beautiful, and at the same time form a hidden air intake effect.

【Description of drawings】

Fig. 1 is a perspective view of the present invention;

Fig. 2 is the main sectional view of the present invention;

Fig. 3 is an explosion diagram of the present invention;

Fig. 4 is a perspective view of the base upper cover of the present invention;

Fig. 5 is the plan view of burner base of the present invention;

Fig. 6 is the perspective view of the outer fire cover of the present invention;

Fig. 7 is the top view of outer fire cover of the present invention;

Fig. 8 is the main cross-sectional view of the outer fire cover of the present invention;

Figure 9 is an exploded view of the outer fire cover of the present invention;

Fig. 10 is a reference diagram of the use state of the present invention.

【Detailed ways】

Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

As shown in Figures 1 to 10, an upward air intake burner is characterized in that it includes

Burner base 1, a base cavity 10 is provided inside the burner base 1, an inner ring air intake channel 11 and an outer ring air intake channel 12 are provided on the burner base 1, and one end of the inner ring air intake channel 11 communicates with the base cavity 10 An inner ring nozzle 13 is provided, and an outer ring nozzle 14 is provided at the end of the outer ring air intake channel 12 communicating with the base cavity 10; the inner ring air intake channel 11 and the outer ring air intake channel 12 have a horizontal section, through which the air is fed in;

Base upper cover 15, which is located on the burner base 1 to cover the base cavity 10, the base upper cover 15 is provided with an air filling hole 21 communicating with the base cavity 10, the air filling hole 21 communicates with the outside world, and the air filling The hole 21 replenishes the air into the base cavity 10 to supplement the air once at the nozzle; the middle part of the base upper cover 15 is provided with a boss 22, and the air filling hole 21 is arranged on the side wall of the boss 22, so that the air filling hole 21 With a certain height, the soup is not easy to enter the base cavity 10 directly from the air filling hole 21;

Inner fire cover seat 2, it is located on the base loam cake 15;

The inner fire cover 3 is arranged on the inner fire cover seat 2, and the inner fire cover 3 is provided with an inner fire hole 31, and the inner fire cover 3 and the inner fire cover seat 2 are surrounded to communicate with the inner fire cover seat 2 The inner ring gas channel 32;

The inner injection pipe 4, one end of which is opposite to the inner ring nozzle 13, and the other end communicates with the inner ring gas channel 32; the inner injection pipe 4 extends vertically downward to the base cavity 10, and the lower end is separated from the inner ring nozzle 13 A certain distance is provided for one-time air supplementation; the inner fire cover seat 2, the inner injection pipe 4 and the base upper cover 15 are integrally formed, and the inner fire cover seat 2 and the inner injection pipe 4 are arranged on the upper end surface of the boss 22, and the soup When spilled, it falls on the end surface of the boss 22, and it is not easy to enter the base cavity 10;

The outer fire cover seat 5 is arranged on the base loam cake 15; the edge of the outer fire cover seat 5 is provided with a lower extension 51 extending downward, and the lower extension 51 surrounds the outside of the boss 22, and the boss 22 is covered therein. The lower extension 51 can partially block the air filling hole 21 like this, and the lower extension 51 is separated from the base loam cake 15 by a certain distance for air to enter the air filling passage 16, and an opening flows out between the lower extension 51 and the base loam cake 15 for supplying air. Air enters into the air supply channel 16;

Outer fire cover 6, it is located on the outer fire cover seat 5, and outer fire cover 6 is above the outer fire cover seat 5, and inner fire cover 3 is located in the outer fire cover 6 and is separated from it, between the inner fire cover 3 and the outer fire cover 6 There is a space between them, the outer fire cover 6 is provided with an outer fire hole 61, the outer fire cover 6 and the outer fire cover seat 5 are surrounded by an outer ring gas passage 62 communicating with the outer fire hole 61, and the base upper cover 15 is connected with the outer fire cover seat 5. There is an air supply channel 16 between the cover base 5 that can fill in the air between the inner fire cover 3 and the outer fire cover 6, and the air enters the inner fire cover 3 and the outer fire cover 6 through the air supply channel 16 In the interval space between, add secondary air to the inner fire cover 3 and the outer fire cover 6;

The outer injection pipe 7 has one end opposite to the outer ring nozzle 14, and the other end communicates with the outer ring gas channel 62. The outer ring nozzle 14 extends vertically downward, and its lower end is spaced from the outer ring nozzle 14 by a certain distance for primary air supplementation. .

The base upper cover 15 is provided with a guide sleeve 17 communicating with the base cavity 10 , the outer injection tube 7 is integrally formed with the outer fire cover seat 5 , and the outer injection tube 7 extends into the base cavity 10 from the guide sleeve 17 .

There are three outer ring nozzles 14 arranged in a triangle on the bottom wall of the base cavity 10 , the outer ring nozzles 14 are arranged in the middle of the bottom wall of the base cavity 10 , and there are three outer injection pipes 7 corresponding to the outer ring nozzles 14 .

The outer ring gas channel 62 is provided with a baffle 63, and the baffle 63 is provided with a shielding part 64, and the shielding part 64 is blocked above the communication port 37 between the outer injection pipe 7 and the outer ring gas channel 62, so as to prevent the gas injection speed from being too fast , so that the gas flow in the outer ring gas passage 62 is uniform.

The inner injection pipe 4 and the outer injection pipe 7 are three-section pipes, which are composed of an air inlet section 18, a flow stabilization section 19, and an air outlet section 20 connected in sequence. The air inlet section 18 and the air outlet section 19 are large openings facing outward Conical, the steady flow section 20 is a straight pipe. The flow stabilization section 20 is a straight pipe, which is conducive to the stability of the gas flow and improves the ejection capacity of the ejection pipe. In this way, under the same ejection capacity requirement, the three-section pipe structure can shorten the length of the ejector pipe.

Outer fire cover 6 is provided with energy-gathering ring 65 outside, and energy-gathering ring 65 surrounds outer fire cover 6 inside, and outer fire hole 61 is surrounded in the energy-gathering ring 65, and sets between energy-gathering ring 65 and outer fire cover 6 There is an air supply gap 66, the air supply gap 66 is located between the energy gathering ring 65 and the outer fire cover 6, the width of the air supply gap 66 is 3-5mm, the upper end of the energy gathering ring 65 is higher than the upper end surface of the outer fire cover 6, and the The upper end of energy ring 3 is higher than outer fire cover 6 upper end face 8-20mm, and h among Fig. 8 is the height difference between the two, and the best embodiment h is 15mm. The inner wall of the upper end of the energy-gathering ring 65 is provided with an inverted tapered mouth 69, and the inner wall of the energy-gathering ring 65 is provided with a plurality of connection bosses 67, and the outer wall of the outer fire cover 6 is provided with the connecting bosses 67 one by one. Connecting edge 68. The energy gathering ring 65 can gather heat, reduce peripheral heat loss, and increase combustion rate.

Claims (7)

1. a kind of upper inlet wind type burner, it is characterised in that：Including

Burner base (1), the burner base (1) is interior to be equipped with base cavity (10), and the burner base is set on (1) There are inner ring inlet channel (11) and outer shroud inlet channel (12), what the inner ring inlet channel (11) was connected to base cavity (10) One end is equipped with inner ring nozzle (13), and one end that the outer shroud inlet channel (12) is connected to base cavity (10) is equipped with outer shroud nozzle (14)；

Base upper cover (15) is located in the burner base (1) and covers base cavity (10), the base upper cover (15) it is equipped with the air communicated with the base cavity (10) and fills into hole (21)；

Endogenous fire cage (2) is located on the base upper cover (15)；

Inner fire cover (3) is located on the endogenous fire cage (2), and the inner fire cover (3) is equipped with interior fire hole (31), described Inner fire cover (3) be surrounded by the inner ring blast tube (32) communicated with the endogenous fire cage (2) with endogenous fire cage (2)；

Interior ejector pipe (4), one end and the inner ring nozzle (13) relatively, the other end and the inner ring blast tube (32) It communicates；

Outer fire cover seat (5) covers on the base upper cover (15)；

Outer fire cover (6) is located on the outer fire cover seat (5), the inner fire cover (3) be located in outer fire cover (6) and and its Separate, the outer fire cover (6) is equipped with outer fire hole (61), the outer fire cover (6) and outer fire cover seat (5) be surrounded by with it is described Outer fire hole (61) connection outer shroud blast tube (62), be surrounded by between the base upper cover (15) and outer fire cover seat (5) The air that air can be added between the inner fire cover (3) and outer fire cover (6) fills into channel (16)；

Outer ejector pipe (7), one end and the outer shroud nozzle (14) relatively, the other end and the outer shroud blast tube (62) It communicates；

Catch (63) is equipped in the outer shroud blast tube (62), the catch (63) is equipped with occlusion part (64), described Occlusion part (64) gear above the communication port (37) of the outer ejector pipe (7) and outer shroud blast tube (62)；Described is outer Fire cover seat (5) edge is equipped with the downward side (51) extended downwardly, and the downward side (51) separates centainly to base upper cover (15) Distance enters the air for air and fills into channel (16), and boss (22), institute are equipped in the middle part of the base upper cover (15) The air stated fills into hole (21) and is located on the side wall of boss (22), and the downward side (51) is trapped among on the outside of boss (22) and will be convex Platform (22) covers in it, make downward side (51) can partial occlusion air fill into hole (21).

2. a kind of upper inlet wind type burner according to claim 1, it is characterised in that：The endogenous fire cage (2), interior injection (4) are managed to be integrally formed with the base upper cover (15).

3. a kind of upper inlet wind type burner according to claim 1, it is characterised in that：The base upper cover (15) is equipped with The guide sleeve (17) being connected to base cavity (10), the outer ejector pipe (7) is integrally formed with the outer fire cover seat (5), described Outer ejector pipe (7) extend into out of guide sleeve (17) in base cavity (10).

4. a kind of upper inlet wind type burner as claimed in any of claims 1 to 3, it is characterised in that：The outer shroud It there are three nozzle (14) is set, is triangularly arranged on base cavity (10) bottom wall, the outer shroud nozzle (14) is located in pedestal In the middle part of chamber (10) bottom wall.

5. a kind of upper inlet wind type burner according to claim 1, it is characterised in that：The interior ejector pipe (4) and draw outside It is three-stage pipe to penetrate pipe (7), is made of the air inlet section (18), steady flow segment (19), the air outlet section (20) that connect successively, the air inlet Section (18) and air outlet section (19) are the taper of big mouth outwardly, and the steady flow segment (20) is straight tube.

6. a kind of upper inlet wind type burner according to claim 1, it is characterised in that：The outer fire cover (6) is externally provided with poly- Can ring (65), between the energy-gathering ring (65) and outer fire cover (6) be equipped with benefit wind gap (66), the energy-gathering ring (65) it is upper End is higher by described outer fire cover (6) upper surface.

7. a kind of upper inlet wind type burner according to claim 6, it is characterised in that：On the inside of described energy-gathering ring (65) upper end Wall is equipped with back taper mouth (69), and the energy-gathering ring (65) madial wall is equipped with multiple connection boss (67), the outer fire The lateral wall of lid (6) is equipped with the connection side (68) to connect one by one with the connection boss (67).