Cast iron furnace end with direct injection function

Abstract

The cast iron furnace end with the direct injection function comprises a furnace end body, a direct injection nozzle and a direct air injection pipe, the furnace end body comprises an inner ring air cavity, an outer ring air cavity and an injection pipe set which are integrally formed through cast iron, the injection pipe set supplies air to the inner ring air cavity and the outer ring air cavity, the inner ring air cavity is located in the middle of the outer ring air cavity, and the direct injection nozzle is located in the middle of the outer ring air cavity. The inner ring gas cavity and the outer ring gas cavity are connected through a connecting part, an inner ring fire gas hole group is formed in the peripheral side of the top of the inner ring gas cavity, an outer ring fire gas hole group is formed in the peripheral side of the top of the outer ring gas cavity, a through mounting hole is formed in the middle of the inner ring gas cavity, and the direct injection nozzle is fixed to the mounting hole. And the direct-injection air pipe is connected with the direct-injection nozzle for air supply. The cast iron furnace end not only has the conventional inner ring fire changing and outer ring fire cooking functions, but also has the middle direct-injection high-fire stir-frying function, and a user can select flames to cook food according to needs so as to meet the use requirements of most people; the problem that a cast iron furnace end in the market at the present stage is single in use function is solved.

Description

【TECHNICAL FIELD]

[0001] The utility model relates to a cast -iron stove head with direct injection. 【BACKGROUND TECHNIQUE]

[0002] The die-casting gas stove head on the market at present usually includes outer ring gas cavity and inner ring gas cavity, ensures uniform distribution of flame heating, is suitable for domestic cooking food use, and is not suitable for explosive frying use due to the uniform heating, lacks pot gas, and fails to satisfy the use demand of users on the market.

[0003] Therefore, it is necessary to further improve it. 【CONTENT OF UTILITY MODEL]

[0004] The utility model discloses a cast -iron stove head with direct injection, which has the functions of direct injection and fierce fire in addition to the conventional inner and outer ring fire cooking functions.

[0005] To achieve the above object, the utility model provides a cast -iron stove head with direct injection, which comprises a stove head body, a direct injection nozzle and a direct injection gas pipe, the stove head body comprises a cast -iron integrally formed inner ring gas cavity, an outer ring gas cavity and an ejector pipe group, the ejector pipe group supplies gas to the inner ring gas cavity and the outer ring gas cavity, the inner ring gas cavity is located at the middle part position of the outer ring gas cavity, the inner ring gas cavity and the outer ring gas cavity are connected through a connecting part, the inner ring gas cavity is provided with an inner ring fire gas hole group on the outer circumferential side of the top thereof, the outer ring gas cavity is provided with an outer ring fire gas hole group on the outer circumferential side of the top thereof, the middle part position of the inner ring gas cavity is provided with a penetrating mounting hole, the direct injection nozzle is fixed on the mounting hole, and the direct injection gas pipe is connected with the direct injection nozzle for gas supply.

[0006] In one or more embodiments, the inner ring gas cavity and the outer ring gas cavity are connected through two connecting parts, the two connecting parts are symmetrically arranged left and right, and an upper air inlet hole is formed between the connecting parts.

[0007] In one or more embodiments, the ejector pipe group comprises a first ejector pipe and a second ejector pipe arranged side by side, the first ejector pipe communicates with the inner ring gas cavity, the second ejector pipe communicates with the outer ring gas cavity, and a structure transverse plate is arranged between the inner ring gas cavity and the outer ring gas cavity.

[0008] In one or more embodiments, an inner thread structure is arranged on the inner wall of the mounting hole, and an outer thread structure matched with the inner thread structure is arranged on the direct injection nozzle.

[0009] In one or more embodiments, the gas outlet end of the direct injection gas pipe is threadedly connected with the gas inlet end of the direct injection nozzle.

[0010] In one or more embodiments, the direct injection nozzle is provided with an air hole on the wall thereof, and the air hole communicates with the air channel in the direct injection nozzle.

[0011] The cast iron stove head has the advantages that in addition to the conventional inner ring fire and outer ring fire cooking function, the cast iron stove head also has the middle straight jet fierce fire stir-frying function, users can select the flame to cook food according to the needs, so as to meet the use needs of most people on the market, and the single use function of the cast iron stove head on the market at the present stage is solved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 The cast iron stove head has the advantages that in addition to the conventional inner ring fire and outer ring fire cooking function, the cast iron stove head also has the middle straight jet fierce fire stir-frying function, users can select the flame to cook food according to the needs, so as to meet the use needs of most people on the market, and the single use function of the cast iron stove head on the market at the present stage is solved.

[0013] Figure 2 The cast iron stove head has the advantages that in addition to the conventional inner ring fire and outer ring fire cooking function, the cast iron stove head also has the middle straight jet fierce fire stir-frying function, users can select the flame to cook food according to the needs, so as to meet the use needs of most people on the market, and the single use function of the cast iron stove head on the market at the present stage is solved. Figure 1 The cast iron stove head has the advantages that in addition to the conventional inner ring fire and outer ring fire cooking function, the cast iron stove head also has the middle straight jet fierce fire stir-frying function, users can select the flame to cook food according to the needs, so as to meet the use needs of most people on the market, and the single use function of the cast iron stove head on the market at the present stage is solved. DETAILED DESCRIPTION

[0014] In order to deepen the understanding of the utility model, the utility model will be further described below in combination with the embodiments and drawings, and the embodiments are only used to explain the utility model and do not constitute the limitation on the protection scope of the utility model.

[0015] Please refer to the accompanying drawings Figures 1-2 The utility model provides a cast iron stove head with straight jet, it includes stove head body, straight jet nozzle 1 and straight jet air pipe 2, stove head body includes cast iron integrated inner ring air cavity 3, outer ring air cavity 4 and ejector pipe group, adopts cast iron integrated structure, has the advantages such as low cost, green environmental protection, good stability. Ejector pipe group is for the gas supply of inner ring air cavity and outer ring air cavity, inner ring air cavity 3 is located in the middle position of outer ring air cavity 4, and inner ring air cavity is connected between outer ring air cavity through connecting portion 5 to be fixed in the position structure of inner ring air cavity and outer ring air cylinder, and the outer peripheral side of the top of inner ring air cavity is equipped with inner ring fire air hole group 6, and the outer peripheral side of the top of outer ring air cavity is equipped with outer ring fire air hole group 7, and inner ring fire air hole group and outer ring fire air hole group are used to provide the conventional inner, outer ring fire cooking food function for user, and the middle position of inner ring air cavity is equipped with the mounting hole of through, and straight jet nozzle 1 is fixed on the mounting hole, and straight jet air pipe 2 is connected with straight jet nozzle and is supplied with gas, and user obtains the function of straight jet fierce fire through the setting straight jet nozzle to meet the use demand of user. Further, the diameter of the outer ring air cavity is 115mm-130mm.

[0016] The inner ring air cavity 3 and the outer ring air cavity 4 are connected through two connecting portions 5, and the two connecting portions are symmetrically arranged left and right. By arranging two connecting portions to connect the inner ring air cavity and the outer ring air cavity, the structural strength of the inner ring air cavity and the outer ring air cavity can be ensured. An upper air inlet hole 8 is formed between the two connecting portions. Fresh air can enter from below the upper air inlet hole to supply oxygen for the inner ring fire air hole group and the straight jet nozzle, ensuring sufficient combustion and improving combustion heat efficiency.

[0017] The ejector pipe group comprises a first ejector pipe 9 and a second ejector pipe 10 arranged side by side, the first ejector pipe is communicated with the inner ring air cavity 3, the second ejector pipe 10 is communicated with the outer ring air cavity 4, the first ejector pipe and the second ejector pipe are arranged side by side, the air inlet ends of the first ejector pipe and the second ejector pipe are located at the same orientation, so that the gas valve body can be connected to supply oxygen, the structure horizontal plate 11 is arranged between the inner ring air cavity and the outer ring air cavity, and the structure horizontal plate can enhance the structural stability of the first ejector pipe and the second ejector pipe.

[0018] The inner wall of the mounting hole is provided with an internal thread structure, the direct injection nozzle 1 is provided with an external thread structure matched with the internal thread structure, the threaded connection has the advantages of easy assembly and disassembly, and is convenient for early production assembly and later maintenance and replacement.

[0019] In order to realize the premixing of air and gas, the direct injection nozzle 1 is provided with an air hole 12 on the wall, and the air hole is communicated with the air channel in the direct injection nozzle.

[0020] The above only describes the preferred embodiments of the present application, and the protection scope of the present application is not limited to the above embodiments, and any equivalent modification or change made by the ordinary skilled in the art according to the disclosed content of the present application shall be included in the protection scope recorded in the claims.

Claims

1. A cast iron stove with direct injection, characterized in that: The burner head body, the direct injection nozzle (1) and the direct injection gas pipe (2), the burner head body includes cast iron integrated inner ring air cavity (3), outer ring air cavity (4) and ejector pipe group, the ejector pipe group is gas supply for inner ring air cavity and outer ring air cavity, inner ring air cavity (3) is located in the middle position of outer ring air cavity (4), and the inner ring air cavity is connected with the outer ring air cavity through connecting part (5), and the inner ring air cavity is provided with inner ring fire air hole group (6) on the outer peripheral side of the top portion thereof, and the outer ring air cavity is provided with outer ring fire air hole group (7) on the outer peripheral side of the top portion thereof, and the inner ring air cavity is provided with through mounting hole in the middle position thereof, the direct injection nozzle (1) is fixed on the mounting hole, and the direct injection gas pipe (2) is connected with the direct injection nozzle for gas supply.

2. A cast iron fire pit with direct injection according to claim 1, characterized in that: The inner ring air cavity (3) and the outer ring air cavity (4) are connected through two connecting parts (5), the two connecting parts are symmetrically arranged, and the connecting part and the connecting part form an upper air inlet (8).

3. A cast iron fire pit with direct injection according to claim 1, characterized in that: The ejector pipe group includes side-by-side arranged first ejector pipe (9) and second ejector pipe (10), the first ejector pipe is communicated with the inner ring air cavity (3), the second ejector pipe (10) is communicated with the outer ring air cavity (4), and the structure transverse plate (11) is arranged between the inner ring air cavity and the outer ring air cavity.

4. A cast iron fire pit with direct injection as defined in claim 1, wherein: The inner wall of the mounting hole is provided with an internal thread structure, and the direct injection nozzle (1) is provided with an external thread structure matched with the internal thread structure.

5. A cast iron fire grate with direct injection according to claim 4, characterized in that: The gas outlet end of the direct injection gas pipe (2) is threadedly connected with the gas inlet end of the direct injection nozzle (1).

6. A cast iron fire pit with direct injection as defined in claim 1, wherein: The direct injection nozzle (1) is provided with an air hole (12) on the wall body thereof, and the air hole is communicated with the air channel in the direct injection nozzle.

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