CN211372501U - Burner capable of improving combustion efficiency - Google Patents

Abstract

The utility model relates to a can improve combustion efficiency's combustor, including having the injection pipe of gas inlet end, its characterized in that: draw and penetrate the mouth of pipe periphery wall that the pipe is close to going into the gas port end and correspond and have a primary air mouth that is used for guiding primary air, still including changing the regulating part of primary air mouth size, compare with prior art, the utility model has the advantages of through rotating the regulating part in order to change the size of a primary air mouth, and then adjust the air input that primary air got into and draws the pipe to make the combustor can be applicable to various air supplies, in order to improve the combustion efficiency of combustor, this primary air mouth can also regard as the inspection hole that the gas tightness detected simultaneously, has convenient to use's characteristics.

Description

Burner capable of improving combustion efficiency

Technical Field

The utility model relates to a technical field of domestic kitchen utensils and appliances especially relates to a can improve combustion efficiency's combustor.

Background

Most of existing stove burners on the market are atmospheric burners, partial primary air needs to be premixed in advance, and therefore the amount of the required premixed primary air needs to be adjusted by an air door opening size adjusting device. One of the most common ways is to adjust the suction volume of the primary air by rotating the air adjusting plate and changing the effective flow area of the primary air suction inlet by the back and forth movement of the air adjusting plate; the air adjusting plate in the form can be clamped and cannot easily rotate when the air adjusting plate is abutted to the injection pipe, for example, the air adjusting plate continuously rotates towards the injection pipe, the air adjusting plate is not easy to rotate around, for example, the air adjusting plate comprises a combustion cylinder with an air inlet or a combustion cylinder with an ignition gun, a mixing cylinder is connected to the rear end of the combustion cylinder with the air inlet or the combustion cylinder with the ignition gun, the mixing cylinder is connected with the combustion cylinder with the air inlet in a straight-through coaxial line mode, the mixing cylinder is connected with the combustion cylinder with the ignition gun in a right-angle mode, an air nozzle entering the mixing cylinder is arranged at the top of an air inlet pipe, and an air adjusting mechanism is arranged at the front end of the air inlet pipe. The gas enters the gas nozzle through the gas inlet pipe, the gas is sprayed out of the gas nozzle to inject surrounding air, and then the gas and the air are mixed in the mixing cylinder, ignited through high-pressure ignition or high-energy ignition, and combusted in the combustion cylinder. Wherein the air nozzle is located mixing drum inside, controls the size of air door through a accent wind mechanism, and main shortcoming is as follows: firstly, the nozzle is positioned in the mixing cylinder, the heat dissipation is not good, the heat of the mixing cylinder is easily transferred to the nozzle, and the load of the nozzle is easily influenced in the cooking process; secondly, the nozzle is positioned in the mixing cylinder, and the nozzle is easily blocked after soup water enters the mixing cylinder in the long-time cooking process (although the soup water can go out of a through hole connected with the mixing cylinder and air, the soup water is still easily blocked when the opening degree of the air adjusting mechanism is small or the soup water overflows); the air injection capacity of the nozzle needs to be enhanced, and the existing structure has large air injection resistance; and fourthly, the adaptability of the air door adjusting mode is poor, and when the air door is closed to a small extent, air cannot be supplied, so that insufficient combustion is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to above-mentioned prior art current situation and provide a be difficult for improving the combustor of combustion efficiency by what the discharge polluted.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: this can improve combustion efficiency's combustor draws penetrating pipe, its characterized in that including having into the gas port end: the outer peripheral wall of the nozzle, which is adjacent to the air inlet end and corresponds to the injection pipe, is provided with a primary air port for guiding primary air, and the injection pipe further comprises an adjusting piece capable of changing the size of the primary air port.

In order to change the size of the primary air port, preferably, the adjusting member includes a sleeve, the sleeve can rotate circumferentially relative to the outer peripheral wall of the nozzle corresponding to the air inlet end of the injection pipe, the pipe wall of the sleeve has a flow guide port, and the primary air is guided when the sleeve rotates to a state where the flow guide port corresponds to the primary air port. The size of the primary air port can be changed by the state that the flow guide port of the sleeve is staggered with the primary air port.

In order to avoid the overflow liquid from blocking the nozzle after entering the injection pipe through the flow guide port, preferably, a flow guide part for guiding the overflow liquid is arranged on the outer surface of the pipe wall of the sleeve pipe at a position corresponding to the flow guide port.

For convenience of processing, the flow guide part is preferably a convex rib protruding from the outer surface of the tube wall of the sleeve.

In order to avoid blocking the diversion opening when the overflowing liquid bypasses the diversion opening, the convex ribs preferably include at least two groups of first convex ribs and second convex ribs which are arranged in a splayed shape.

In order to make the burner suitable for various gas sources, preferably, the sleeve has side edges on at least one side of the two sides of the flow guide part, wherein a first side edge facing the gas inlet end of the injection pipe has a first indicating part, a corresponding pipe orifice peripheral wall corresponding to the gas inlet end of the injection pipe has a second indicating part, and the relative positions of the first indicating part and the second indicating part are changed to adapt to the change of the size of the primary air orifice. So that installer's the indicative function that can pass through first instruction portion and second instruction portion to in the adjustment part is in order to change the size of primary air mouth, and then the multiple air supply of adaptation.

For convenience in processing, the first indicating parts are grooves distributed at intervals on the first side edge, the roots of the first rib and the second rib are connected to the first side edge, and the heads of the first rib and the second rib are closer to the primary air port.

In order to realize better outflow of the overflowing liquid, the peripheral wall of the pipe orifice, which corresponds to the adjacent air inlet end of the injection pipe, is provided with an overflowing liquid port for guiding the overflowing liquid, and the overflowing liquid port is opposite to the primary air port.

The gas injection device is characterized by further comprising a base, wherein a gas channel penetrating through the base is arranged in the center of the base, the side wall of the gas channel is communicated with the injection pipe, and a spiral groove and/or a spiral rib are/is formed in the inner wall of the gas channel and/or the injection pipe. When gas and primary air pass through the inner wall of the gas channel and/or the injection pipe, the gas and the primary air in the inner wall of the gas channel and/or the injection pipe can be driven to rotate along the wall surface, and if overflowing liquid flows downwards from top to bottom, the overflowing liquid can further slow down the speed of entering the nozzle due to the inner wall of the gas channel and/or the injection pipe.

Compared with the prior art, the utility model has the advantages of through rotating the size of regulating part in order to change primary air mouth, and then adjust the air input that primary air got into and draws the injection pipe to make the combustor can be applicable to various air supplies, in order to improve the combustion efficiency of combustor, this primary air mouth can also regard as the inspection hole that the gas tightness detected simultaneously, has convenient to use's characteristics.

Drawings

Fig. 1 is a schematic structural view of an adjusting member in an embodiment of the present invention;

FIG. 2 is a schematic view of another angle of FIG. 1;

fig. 3 is a schematic structural view of the burner in the air tightness inspection state before leaving the factory according to the embodiment of the present invention;

fig. 4 is a cross-sectional view of fig. 3.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in FIGS. 1 to 4, the preferred embodiment of the present invention is shown. The combustor that can improve combustion efficiency in this embodiment is including having the injection pipe 1 of income gas port end 11, it has nozzle 5 to inject the income gas port end 11 adaptation of expecting pipe 1, it has the primary air mouth 12 that is used for leading the primary air to inject the mouth of pipe periphery wall that the pipe 1 is adjacent to income gas port end 11 corresponds, still including the regulating part 2 that can change primary air mouth 12 size, through rotating the regulating part 2 with the size that changes primary air mouth 12, and then adjust the primary air admission and draw the air input of expecting pipe 1, thereby make the combustor can be applicable to various air supplies.

In order to change the size of the primary air port 12, in this embodiment, the adjusting member 2 includes a sleeve, the sleeve can rotate circumferentially relative to the outer peripheral wall of the nozzle corresponding to the air inlet end 11 of the injection pipe 1, the pipe wall of the sleeve has a diversion port 21, when the sleeve rotates to a state where the diversion port 21 corresponds to the primary air port 12, the primary air is guided in, and the size of the primary air port 12 can be changed in a state where the diversion port 21 of the sleeve and the primary air port 12 are staggered. In order to prevent the overflowing liquid from entering the injection pipe 1 through the guide opening 21 and blocking the nozzle 5, a guide part for guiding the overflowing liquid is arranged on the outer surface of the pipe wall of the sleeve pipe at a position corresponding to the guide opening 21, and for convenience of processing, the guide part is preferably a convex rib 22 protruding out of the outer surface of the pipe wall of the sleeve pipe. In order to prevent the overflow from bypassing the diversion opening 21 and blocking the diversion opening 21, it is preferable that the rib 22 includes at least two groups of first ribs 221 and second ribs 222 arranged in a splayed shape.

In order to make the burner suitable for various air sources, preferably, the sleeve has side edges on at least one side of the two sides of the flow guide portion, wherein the first side edge 23 facing the air inlet end 11 of the injection pipe 1 has a first indicating portion 231, the corresponding pipe orifice peripheral wall of the air inlet end 11 of the injection pipe 1 has a second indicating portion 111, and the relative position of the first indicating portion 231 and the second indicating portion 111 is changed to adapt to the change of the size of the primary air port 12, so that an installer can conveniently use the indicating function of the first indicating portion 231 and the second indicating portion 111 to adjust the adjusting member 2 to change the size of the primary air port 12, and further adapt to various air sources. In this embodiment, for convenience of processing, the first indicating portions 231 are grooves that are spaced apart from each other and distributed on the first side 23, the roots 223 of the first ribs 221 and the second ribs 222 are connected to the first side 23, and the heads 224 of the first ribs 221 and the second ribs 222 are closer to the primary air port 12.

In order to realize that the regulating part 2 can regulate the size of the primary air port 12 in the rotating process and realize better outflow of overflowing liquid, the peripheral wall of the pipe orifice, which is adjacent to the air inlet end 11 and corresponds to the injection pipe 1, is provided with an overflowing liquid port 13 for guiding the overflowing liquid, and the overflowing liquid port 13 is opposite to the primary air port 12. When the diversion port 21 of the adjusting piece 2 rotates to 180 degrees, the overflow port 13 is opposite to the primary air port 12 and communicated with the overflow port 13, and then the overflow is discharged. In addition, the burner also comprises a base 3, a gas channel 31 which penetrates through the base 3 from top to bottom is arranged in the center of the base 3, the side wall of the gas channel 31 is communicated with the injection pipe 1, the inner wall of the gas channel 31 and/or the injection pipe 1 is provided with a spiral groove 311 and/or a spiral rib, the embodiment takes the case that the inner wall of the injection pipe 1 is provided with the spiral groove 311 as an example for explanation, when gas and primary air pass through the inner wall of the injection pipe 1, the gas and the primary air in the inner wall of the injection pipe 1 can be promoted to rotate along the wall surface, if overflowing liquid flows downwards from top to bottom, the overflowing liquid can be further slowed down by the inner wall of the injection pipe 1 to enter the nozzle 5, and double protection of the overflowing liquid formed together with the rib 22 is realized.

When the adjusting part 2 rotates circumferentially relative to the outer peripheral wall of the pipe orifice corresponding to the gas inlet end 11 of the injection pipe 1 in the burner for the gas stove, the burner has the following matching state:

a. and (3) air tightness inspection before delivery: rotating the adjusting piece 2 to the state that the diversion port 21 penetrates through the primary air port 12 for air tightness detection;

b. the adjusting member 2 is adjusted to accommodate a plurality of air sources: the relative staggered area of the diversion port 21 and the primary air port 12 is changed by rotating the adjusting piece 2, so that the area of the primary air port 12 is changed due to different air sources, and the size of the primary air port 12 is more clear from the indication function of the first indication part 231 and the second indication part 111;

c. discharging overflowing liquid: when the adjusting member 2 is adjusted to open the overflow port 13, i.e. the diversion port 21 is communicated with the overflow port 13, the overflow can be discharged.

Claims (9)

1. The utility model provides a can improve combustor of combustion efficiency, includes that it penetrates pipe (1) to have the injection of gas inlet end (11), its characterized in that: the injection pipe (1) is provided with a primary air port (12) for guiding primary air adjacent to the outer peripheral wall of the pipe orifice corresponding to the air inlet end (11), and also comprises an adjusting piece (2) capable of changing the size of the primary air port (12).

2. The burner capable of improving combustion efficiency according to claim 1, wherein: the adjusting piece (2) comprises a sleeve, the sleeve can rotate circumferentially relative to the outer peripheral wall of the pipe orifice corresponding to the air inlet end (11) of the injection pipe (1), the pipe wall of the sleeve is provided with a flow guide opening (21), and primary air is guided in when the sleeve rotates to the state that the flow guide opening (21) corresponds to the primary air opening (12).

3. The burner capable of improving combustion efficiency according to claim 2, wherein: the outer surface of the pipe wall of the sleeve is provided with a flow guide part for guiding overflowing liquid at a position corresponding to the flow guide opening (21).

4. The burner capable of improving combustion efficiency according to claim 3, wherein: the flow guide part is a convex edge (22) protruding out of the outer surface of the pipe wall of the sleeve.

5. The burner capable of improving combustion efficiency according to claim 4, wherein: the convex ribs (22) comprise at least two groups of first convex ribs (221) and second convex ribs (222) which are arranged in a splayed shape.

6. The burner capable of improving combustion efficiency according to claim 5, wherein: the sleeve is provided with side edges at least on one side of two sides of the flow guide part, wherein a first side edge (23) facing the air inlet end (11) of the injection pipe (1) is provided with a first indicating part (231), a pipe orifice peripheral wall corresponding to the air inlet end (11) of the injection pipe (1) is provided with a second indicating part (111), and the relative positions of the first indicating part (231) and the second indicating part (111) are changed to adapt to the change of the size of the primary air port (12).

7. The burner capable of improving combustion efficiency according to claim 6, wherein: the first indicating parts (231) are grooves which are distributed at intervals on the first side edge (23), the root parts (223) of the first rib (221) and the second rib (222) are connected to the first side edge (23), and the head parts (224) of the first rib (221) and the second rib (222) are closer to the primary air opening (12).

8. The burner capable of improving combustion efficiency according to any one of claims 1 to 7, wherein: the outer peripheral wall of the nozzle, adjacent to the air inlet end (11), of the injection pipe (1) is provided with a overflowing port (13) for guiding overflowing liquid, and the overflowing port (13) is opposite to the primary air port (12).

9. The burner capable of improving combustion efficiency according to claim 8, wherein: the injection device is characterized by further comprising a base (3), wherein a gas channel (31) which penetrates through the base (3) from top to bottom is arranged at the center of the base, the side wall of the gas channel (31) is communicated with the injection pipe (1), and a spiral groove (311) and/or a spiral rib are/is formed in the inner wall of the gas channel (31) and/or the injection pipe (1).

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