Combustor with annular fire multi-head high-fire combined structure

Abstract

The utility model discloses a combustor with an annular fire multi-head high-fire combined structure. The combustor comprises a furnace end and a multi-head high-fire assembly. The multi-head strong fire assembly comprises a connecting plate, and a main gas nozzle and a plurality of secondary gas nozzles which are fixed on the connecting plate; a gas connector used for being connected with a gas pipe is arranged below the main gas nozzle. A fuel gas communicating chamber is arranged on the fuel gas connector and is connected with the secondary fuel gas spray head through a disc breather pipe. According to the utility model, the combustion and fire supply effect of the additional fire supply of the multi-head high-fire nozzle can be supplemented by additionally arranging the multi-head high-fire assembly on the existing fire supply and combustion platform of the inner and outer double rings. On the premise that the advantage of low cost of the cast iron furnace end is maintained, an additional high-fire multi-head combustion engineering state is provided, and the furnace end is particularly suitable for the instant switching requirement of frying and stir-frying working conditions in Chinese cooking.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of combustion appliance, in particular to a combustion device with annular fire multi -head fierce fire combination structure. BACKGROUND

[0002] Cast iron stove head as the core combustion component of traditional cooking utensil, long-term adoption integral casting process forms the inside and outside double ring fire supply structure, its gas supply system adopts plug valve control mode, through the valve core rotation angle synchronous regulation inside and outside ring gas flow. Plug valve rotation control process, only can adjust the inside ring and outside ring fire supply size, the difference of flame regulation is small, especially for part needs fierce fire cooking scene, lacks the fire supply effect of multi -head fierce fire supply combustion. And multi -head fierce fire combustion condition is one of the common needs of Chinese family cooking. Therefore, seek to design a kind of multi -head fierce fire combustion structure that can be conveniently carried on the existing annular combustion device. SUMMARY

[0003] The utility model aims at at least one of the technical problems existing in prior art. To this end, the utility model provides a kind of combustion device with annular fire multi -head fierce fire combination structure.

[0004] The technical scheme adopted by one embodiment of the utility model to solve its technical problem is as follows: a kind of combustion device with annular fire multi -head fierce fire combination structure, comprising: stove head and multi -head fierce fire assembly;

[0005] The stove head is provided with annular inner ring fire supply seat and outer ring fire supply seat;The center of the inner ring fire supply seat is provided with a central gas supply passage;Annular spacing ring cavity is formed between the inner ring fire supply seat and the outer ring fire supply seat;

[0006] The multi -head fierce fire assembly includes connecting plate, and the main gas nozzle and a plurality of secondary gas nozzles fixed to the connecting plate;The connecting plate is detachably installed on the lower side of the stove head, and the main gas nozzle can be inserted into the central gas supply passage from below;A plurality of secondary gas nozzles are annularly arranged on the outer periphery of the main gas nozzle and can be inserted into the spacing ring cavity from below;The main gas nozzle is provided with a gas interface for connecting a gas pipe below;The gas interface is provided with a gas communication chamber, and the gas communication chamber is connected to the secondary gas nozzle through a disc air pipe.

[0007] Optionally, the axis of the inner ring fire supply seat and the outer ring fire supply seat coincides.

[0008] Optionally, the main gas nozzle and the secondary gas nozzle are provided with a main air supplement hole on the side away from the connecting plate.

[0009] Optionally, the main gas nozzle and the secondary gas nozzle are provided with a hexagonal prism-shaped connecting block;The main air supplement hole is provided in the connecting block.

[0010] Optionally, the main air supplement hole is provided with six holes; and the holes are evenly distributed on the connecting block in the shape of a regular hexagonal prism.

[0011] Optionally, the main gas nozzle and the secondary gas nozzle are further provided with second air supplement holes; and the second air supplement holes are arranged in staggered layers with the main air supplement holes.

[0012] Optionally, the connecting plate is provided with at least two positioning holes; and the connecting plate can be fixed below the burner head through the positioning holes by means of bolts.

[0013] Optionally, the lower portion of the burner head is provided with connecting columns corresponding to the positioning holes; and the connecting columns are provided with threaded holes.

[0014] Optionally, the main gas nozzle and the secondary gas nozzle are fixed to the connecting plate by welding.

[0015] The cast iron burner head provides an inner ring fire seat and an outer ring fire seat, which can provide an inner ring fire and an outer ring fire on the platform of the inner-outer double ring fire combustion; the innovative structure of the detachable and assembled modular multi-head fierce fire assembly on the burner head additionally arranges a multi-head fierce fire nozzle combustion on the central gas supply channel and the interval ring cavity; the main gas nozzle and the secondary gas nozzle form an additional multi-head fierce fire combined combustion unit.

[0016] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the following preferred embodiments are described in detail below, and the accompanying drawings are described as follows. BRIEF DESCRIPTION OF DRAWINGS

[0017] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

[0018] Figure 1 Fig. 1 is a structural schematic view of a burner according to the present application;

[0019] Figure 2 Fig. 2 is another structural schematic view of the burner according to the present application.

[0020] Explanation of main element symbols:

[0021] 10, furnace end; 11, inner ring fire seat; 12, outer ring fire seat; 13, central gas supply channel; 14, spacer ring cavity; 15, connecting column; 20, multi-head fierce fire assembly; 21, connecting plate; 22, main gas jet; 221, gas interface; 222, gas communication chamber; 23, secondary gas jet; 24, disc air pipe; 25, main air supplement hole; 26, connecting block; 27, second air supplement hole; 28, positioning hole. DETAILED DESCRIPTION

[0022] This part will describe the specific embodiments of the utility model in detail, the preferred embodiment of the utility model is shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as limiting the protection scope of the utility model.

[0023] In the description of the utility model, the meaning of multiple is more than two, greater than, less than, more than, etc. is not included in the number, above, below, etc. is included in the number. If it is described as first, second, it is only used for distinguishing technical features for the purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0024] In the description of the utility model, it is understood that the position description, such as the position or location relationship indicated by up, down, front, back, left, right, etc. is based on the position or location relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and is not used to indicate or imply that the device or element indicated must have a specific position, be constructed and operated in a specific position, so it cannot be understood as limiting the utility model.

[0025] In the utility model, unless otherwise explicitly limited, the words "set", "install", "connect" and the like should be broadly understood, for example, they can be directly connected, or indirectly connected through an intermediate medium; can be fixedly connected, or can be detachably connected, or can be integrally formed; can be mechanically connected; can be the internal communication or interaction relationship of two elements. The skilled in the art can reasonably determine the specific meaning of the above words in the utility model according to the specific content of the technical scheme.

[0026] Embodiment

[0027] Reference Figure 1 And Figure 2 The utility model proposes a kind of burner with ring fire multi-head fierce fire combination structure, comprising: furnace end 10 and multi-head fierce fire assembly 20;

[0028] The furnace head 10 is provided with an annular inner ring fire seat 11 and an outer ring fire seat 12; the center of the inner ring fire seat 11 is provided with a central gas supply channel 13; the inner ring fire seat 11 is spaced from the outer ring fire seat 12 to form an annular spacing ring cavity 14;

[0029] The multi-head fierce fire assembly 20 comprises a connecting plate 21, a main gas nozzle 22 and a plurality of secondary gas nozzles 23 fixed to the connecting plate 21; the connecting plate 21 is detachably installed on the lower side of the furnace head 10, the main gas nozzle 22 can extend into the central gas supply channel 13 from below; the plurality of secondary gas nozzles 23 are annularly arranged on the outer periphery of the main gas nozzle 22 and can extend into the spacing ring cavity 14 from below; the lower side of the main gas nozzle 22 is provided with a gas interface 221 for connecting a gas pipe; the gas interface 221 is provided with a gas communication chamber 222, and the gas communication chamber 222 is connected to the secondary gas nozzle 23 through a disc air pipe 24.

[0030] In the utility model, the inner ring fire seat 11 and the outer ring fire seat 12 of the cast iron furnace head 10 can provide an inner-outer double-ring fire combustion platform for inner ring fire and outer ring fire respectively; through the innovative architecture of detachably assembling the modular multi-head fierce fire assembly 20 on the furnace head 10, the multi-head fierce fire nozzle combustion is additionally arranged in the central gas supply channel 13 and the spacing ring cavity 14 to provide the combustion effect; the main gas nozzle 22 and the secondary gas nozzle 23 form an additional multi-head fierce fire combined combustion unit.

[0031] In the embodiment, the axes of the inner ring fire seat 11 and the outer ring fire seat 12 coincide. The axis coincidence design of the inner-outer ring fire seat 12 makes the hot field distribution of combustion more uniform.

[0032] Specifically, in order to ensure that the gas in the nozzle is supplemented with air, the main gas nozzle 22 and the secondary gas nozzle 23 are provided with a main air supplement hole 25 on the side away from the connecting plate 21.

[0033] In the embodiment, the main gas nozzle 22 and the secondary gas nozzle 23 are provided with a hexagonal prism-shaped connecting block 26; the main air supplement hole 25 is arranged in the connecting block 26. The hexagonal prism-shaped connecting block 26 can be conveniently rotated to lock the gas nozzle; and the edges of the hexagonal prism-shaped connecting block 26 generate six groups of directional vortexes, so that the air-gas premixing time is shortened and the mixture is more uniform.

[0034] Specifically, the main air supplement hole 25 is provided with six holes; the holes are uniformly arranged in the hexagonal prism-shaped connecting block 26.

[0035] In the embodiment, the primary gas nozzle 22 and the secondary gas nozzle 23 are also provided with second air supplement holes 27; the second air supplement holes 27 are arranged in staggered layers with the primary air supplement holes 25. The second air supplement holes 27 arranged in staggered layers construct a double-stage ejector mechanism, ensure the air suction amount in the nozzle, and avoid the howling noise caused by the high-speed airflow.

[0036] In the embodiment, in order to facilitate locking and fixing the connecting plate 21 on the burner platform of the furnace head 10, the connecting plate 21 is provided with at least two positioning holes 28; the bolts can pass through the positioning holes 28 to fix the connecting plate 21 below the furnace head 10.

[0037] Specifically, the lower portion of the furnace head 10 is provided with connecting columns 15 corresponding to the positioning holes 28, and the connecting columns 15 are provided with threaded holes.

[0038] In the embodiment, in order to ensure the stability of the multi-head fierce fire assembly 20 module unit, the primary gas nozzle 22 and the secondary gas nozzle 23 are welded and fixed to the connecting plate 21.

[0039] Of course, the utility model is not limited to the above-mentioned embodiment, and the skilled in the art can make equivalent transformation or replacement without departing from the spirit of the utility model, and these equivalent transformations and replacements are all included in the range defined by the claims of the application.

Claims

1. A burner having a combination of ring fire and multi-jet flame, characterized in that, The utility model relates to a stove head (10) and multi-head fierce fire assembly (20) are provided. The stove head (10) is provided with annular inner ring fire seat (11) and outer ring fire seat (12), the center of inner ring fire seat (11) is provided with central gas supply channel (13), and the annular interval ring cavity (14) is formed with the interval between outer ring fire seat (12) of inner ring fire seat (11). The multi-head fierce fire assembly (20) includes connecting plate (21), and the main gas nozzle (22) and several secondary gas nozzles (23) fixed to the connecting plate (21), the connecting plate (21) is detachably installed on the lower side of the stove head (10), the main gas nozzle (22) can be inserted into the central gas supply channel (13) from below, and several secondary gas nozzles (23) are annularly arranged on the outer periphery of the main gas nozzle (22) and can be inserted into the interval ring cavity (14) from below, the main gas nozzle (22) is provided with a gas interface (221) for connecting a gas pipe below, the gas interface (221) is provided with a gas communication chamber (222), and the gas communication chamber (222) is connected with the secondary gas nozzle (23) through a disc air pipe (24). The axes of the inner ring fire seat (11) and the outer ring fire seat (12) coincide.

2. The burner having a ring fire multi-jet flame combination structure according to claim 1, characterized in that: The main gas nozzle (22) and the secondary gas nozzle (23) are provided with a main air supplement hole (25) on the side away from the connecting plate (21).

3. The burner having a ring fire multi-jet flame combination structure according to claim 1, characterized in that: The main gas nozzle (22) and the secondary gas nozzle (23) are provided with a hexagonal connecting block (26), and the main air supplement hole (25) is arranged in the connecting block (26).

4. The burner having a ring-shaped fire multi-jet flame combination structure according to claim 3, characterized in that: The main air supplement hole (25) is provided with six holes, which are evenly arranged in the hexagonal connecting block (26).

5. The burner having a ring fire multi-jet flame combination structure according to claim 4, characterized in that; The main gas nozzle (22) and the secondary gas nozzle (23) are also provided with a second air supplement hole (27), and the second air supplement hole (27) is arranged in a staggered manner with the main air supplement hole (25).

6. The burner having a ring fire multi-jet flame combination structure according to claim 4, characterized in that: The connecting plate (21) is provided with at least two positioning holes (28), and a bolt can pass through the positioning hole (28) to fix the connecting plate (21) below the stove head (10).

7. The burner having a ring fire multi-jet flame combination structure according to claim 1, characterized in that: The lower side of the stove head (10) is provided with a connecting column (15) corresponding to the positioning hole (28), and the connecting column (15) is provided with a threaded hole.

8. The burner having a ring fire multi-jet flame combination structure according to claim 7, characterized in that: The main gas nozzle (22) and the secondary gas nozzle (23) are welded to the connecting plate (21).

9. The burner having a ring fire multi-jet flame combination structure according to claim 1, characterized in that: ​

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