TWM655994U - Double-ring combustion device - Google Patents

Abstract

A double-ring combustion device includes a mixing tube group and a furnace head group. The mixing tube group includes an inner ring mixing tube and an outer ring mixing tube. The outer ring mixing tube uses stainless steel sheet metal parts. The furnace head group uses copper parts. The furnace head group includes an inner ring furnace head and an outer ring furnace head. The inner ring furnace head and the outer ring furnace head are respectively assembled at the inner ring air outlet of the inner ring mixing tube and the outer ring air outlet of the outer ring mixing tube. In this way, the pollution generated during production can be reduced, the used materials and weight can be reduced, and the corrosion resistance can be improved. In addition, the stainless steel sheet metal mixing tube can reduce thermal deformation by combining with the copper furnace head, and at the same time, problems such as red fire and increased exhaust gas can be avoided.

Description

Double ring combustion device

This creation relates to a double-ring combustion device, in particular a double-ring combustion device for a gas stove.

The existing gas stoves are all equipped with a stove head, and the gas can be transported to the stove head and the flame is ejected from the flame hole. However, it is known that the mixing tube of the gas stove is produced by casting, so it produces more pollution in the manufacturing process, and it is known that the stainless steel burner will be thermally deformed after burning for a long time, resulting in problems such as red fire and increased exhaust gas.

The technical problem to be solved by this invention is to provide a double-ring combustion device to address the shortcomings of existing technologies, which can reduce pollution generated during production, reduce the use of materials and weight, and be corrosion-resistant. The stainless steel sheet metal mixing tube group can reduce thermal deformation by combining it with the copper furnace head group, while avoiding problems such as red fire and increased exhaust gas.

In order to solve the above technical problems, the invention provides a double-ring combustion device, including: a mixing tube group, the mixing tube group includes an inner ring mixing tube and an outer ring mixing tube, the inner part of the inner ring mixing tube forms an inner ring mixing flow channel, one end of the inner ring mixing tube has an inner ring air inlet, the other end of the inner ring mixing tube has an inner ring air outlet, the inner ring mixing flow channel is connected between the inner ring air inlet and the inner ring air outlet, the outer ring mixing tube is a stainless steel sheet metal part, the inner part of the outer ring mixing tube forms an outer ring mixing flow channel, one end of the outer ring mixing tube has an outer ring The outer ring mixing tube has an air inlet, the other end of the outer ring mixing tube has an outer ring air outlet, the outer ring mixing flow channel is connected between the outer ring air inlet and the outer ring air outlet; and a furnace head group, the furnace head group includes an inner ring furnace head and an outer ring furnace head, the inner ring furnace head and the outer ring furnace head are copper parts, the inner ring furnace head is assembled at the inner ring air outlet of the inner ring mixing tube, the outer ring furnace head is assembled at the outer ring air outlet of the outer ring mixing tube, the interior of the inner ring furnace head is connected to the inner ring air outlet, and the outer ring furnace head is provided with an annular flow channel, and the annular flow channel is connected to the outer ring air outlet.

The beneficial effect of the invention is that the double-ring combustion device provided by the invention includes a mixing tube group and a furnace head group. The mixing tube group includes an inner ring mixing tube and an outer ring mixing tube, and the outer ring mixing tube is a stainless steel sheet metal part. The furnace head group includes an inner ring furnace head and an outer ring furnace head, and the inner ring furnace head and the outer ring furnace head are copper parts. The inner ring furnace head is assembled at the inner ring air outlet of the inner ring mixing tube, and the outer ring furnace head is assembled at the outer ring air outlet of the outer ring mixing tube. The outer ring mixing tube of the mixing tube group of this invention uses stainless steel sheet metal, which can reduce environmental pollution caused during production, reduce the use of materials and weight, and resist corrosion. The combination of the stainless steel mixing tube group and the copper furnace head group can reduce thermal deformation, while avoiding problems such as red fire and increased exhaust gas, which can reduce environmental pollution during production and avoid the combustion problem of pure stainless steel burners.

In order to further understand the features and technical content of this work, please refer to the following detailed description and diagrams of this work. However, the diagrams provided are only used for reference and explanation and are not used to limit this work.

The following is an explanation of the implementation methods disclosed by this creation through specific concrete embodiments. Those skilled in the art can understand the advantages and effects of this creation from the contents disclosed in this manual. This creation can be implemented or applied through other different specific embodiments, and the details in this manual can also be modified and changed in various ways based on different viewpoints and applications without departing from the concept of this creation. In addition, the drawings of this creation are only for simple schematic illustrations and are not depicted according to actual sizes. Please note in advance. The following implementation methods will further explain the relevant technical contents of this creation in detail, but the disclosed contents are not intended to limit the scope of protection of this creation. In addition, the term "or" used in this article may include any one or more combinations of the related listed items depending on the actual situation.

[Example]

Please refer to Figures 1 to 4. The present invention provides a double-ring combustion device, including a mixing tube group 1 and a furnace group 2.

The mixing tube assembly 1 includes an inner ring mixing tube 11 and an outer ring mixing tube 12. The inner ring mixing tube 11 has an inner ring mixing channel 111 formed inside (as shown in FIGS. 5 and 6). One end of the inner ring mixing tube 11 has an inner ring air inlet 112, and the other end of the inner ring mixing tube 11 has an inner ring air outlet 113. The inner ring mixing channel 111 is arranged between the inner ring air inlet 112 and the inner ring air outlet 113. The inner ring mixing channel 111 is connected to the inner ring air inlet 112 and the inner ring air outlet 113. Preferably, the inner ring mixing tube 11 is designed as a straight tube between the air port 112 and the inner ring air outlet 113. The inner ring mixing tube 11 is vertically arranged. The inner ring air inlet 112 and the inner ring air outlet 113 are respectively arranged at the lower end and the upper end of the inner ring mixing flow channel 111, and the inner ring mixing tube 11 can be directly arranged vertically at the center of the double-ring combustion device. In this embodiment, a plurality of openings 114 are also arranged on the inner ring mixing tube 11 near the inner ring air inlet 112. The inner ring air inlet 112 can be connected to a nozzle 3, and the gas can be delivered to the furnace head assembly 2 through the nozzle 3 in sequence through the inner ring air inlet 112, the inner ring mixing channel 111 and the inner ring air outlet 113. The air intake can be controlled through the opening 114 below the straight pipe to adapt to different environments, reduce the occurrence of combustion problems, reduce pressure loss, increase the primary air volume, make the combustion more complete and reduce exhaust gas. The primary air volume can be increased by about 12% compared with the conventional structure.

The outer ring mixing tube 12 is made of stainless steel sheet metal, which is a stainless steel sheet metal part. The inner part of the outer ring mixing tube 12 forms an outer ring mixing flow channel 121 (as shown in Figures 7 to 9). One end of the outer ring mixing tube 12 has an outer ring air inlet 122, and the other end of the outer ring mixing tube 12 has an outer ring air outlet 123. The outer ring air outlet 123 is in a circular ring shape, so that the gas The gas can be output in a circular shape, the outer ring mixing channel 121 is disposed between the outer ring air inlet 122 and the outer ring air outlet 123, and the outer ring mixing channel 121 is connected between the outer ring air inlet 122 and the outer ring air outlet 123. Preferably, the outer ring mixing channel 121 can be a conical channel, and the inner diameter of the outer ring mixing channel 121 increases from the outer ring air inlet 122 to the outer ring air outlet 123. The gas can be delivered to the furnace head assembly 2 through the outer ring air inlet 122, the outer ring mixing channel 121 and the outer ring air outlet 123 in sequence.

The outer ring mixing tube 12 may be a two-piece design to facilitate the production of the outer ring mixing tube 12. The outer ring mixing tube 12 may include an upper shell 124 and a lower shell 125. The upper shell 124 and the lower shell 125 may be stamped separately. The upper shell 124 is disposed above the lower shell 125 and then connected and assembled so that the outer ring mixing channel 121 is formed between the upper shell 124 and the lower shell 125. The outer ring mixing tube 12 is assembled by the upper shell 124 and the lower shell 125, which is convenient for production.

In this embodiment, the edge of the upper shell 124 and the edge of the lower shell 125 extend to form a first folded edge 1241 and a second folded edge 1251 respectively. The first folded edge 1241 and the second folded edge 1251 are combined with each other, so that the upper shell 124 and the lower shell 125 are connected as a whole by the folded edge structure. In this embodiment, the first folded edge 1241 and the second folded edge 1251 are horizontal (as shown in Figures 8 and 9), the first folded edge 1241 is overlapped on top of the second folded edge 1251, and one end of the first folded edge 1241 extends to an appropriate length so that one end of the first folded edge 1241 can be bent downward to the bottom of the second folded edge 1251, so that the first folded edge 1241 can be clamped outside the second folded edge 1251, so that the edge of the upper shell 124 and the edge of the lower shell 125 can be firmly combined, and no seam can be seen from above, which is more beautiful. In another embodiment (not shown), for example, one end of the second folded edge 1251 can be extended so that one end of the second folded edge 1251 can be bent upward to the top of the first folded edge 1241, so that the second folded edge 1251 can be clamped outside the first folded edge 1241, so that the upper shell 124 and the lower shell 125 are connected as a whole using the folded edge structure.

In this embodiment, the other end of the outer ring mixing tube 12 can be extended to form a third folded edge 126 and a fourth folded edge 127 (as shown in Figures 8 and 9). The third folded edge 126 can be extended and bent from the upper end of the lower shell 125, and the fourth folded edge 127 can be extended and bent from the upper end of the upper shell 124. The third folded edge 126 and the fourth folded edge 127 are both circular ring-shaped, and the fourth folded edge 127 is located at the outer periphery of the third folded edge 126. The third folded edge 126 and the fourth folded edge 127 are arranged at intervals. The third folded edge 126 and the fourth folded edge 127 can be used to connect to the furnace head group 2, so that the outer ring air outlet 123 of the outer ring mixing tube 12 can also be combined with the furnace head group 2 using the folded edge structure.

In this embodiment, the other end of the outer ring mixing tube 12 can be extended to form an inner side wall 128 and an outer side wall 129. The inner side wall 128 and the outer side wall 129 are both annular. The inner side wall 128 and the outer side wall 129 are vertically arranged. The outer side wall 129 is located on the outer periphery of the inner side wall 128. The inner side wall 128 and the outer side wall 129 are spaced apart to facilitate the formation of the outer ring air outlet 123 between the inner side wall 128 and the outer side wall 129. The third folded edge 126 and the fourth folded edge 127 are respectively formed at the upper end of the inner side wall 128 and the upper end of the outer side wall 129, which can facilitate the formation of the folded edge structure, and the inner side wall 128 and the outer side wall 129 can be used to connect the inner ring portion 221 and the outer ring portion 222 respectively.

The furnace head assembly 2 includes an inner ring furnace head 21 and an outer ring furnace head 22, and the inner ring furnace head 21 and the outer ring furnace head 22 are made of copper material, and the inner ring furnace head 21 and the outer ring furnace head 22 are copper parts. The inner ring furnace head 21 is a hollow body, and the lower end of the inner ring furnace head 21 can be sleeved on the inner ring air outlet 113 of the inner ring mixing tube 11, so that the inner ring furnace head 21 can be assembled at the inner ring air outlet 113 of the inner ring mixing tube 11, and the inner part of the inner ring furnace head 21 is connected to the inner ring air outlet 113, and the outer ring furnace head 22 can be assembled at the outer ring air outlet 123 of the outer ring mixing tube 12. The outer ring furnace head 22 may include an inner ring portion 221 and an outer ring portion 222. The inner ring portion 221 and the outer ring portion 222 are both annular. The inner ring portion 221 and the outer ring portion 222 are vertically arranged. The outer ring portion 222 is located at the outer periphery of the inner ring portion 221. The inner ring portion 221 and the outer ring portion 222 are arranged at intervals to form an annular flow channel 223 between the inner ring portion 221 and the outer ring portion 222.

The lower end of the inner ring portion 221 may extend toward the center to form a first flange 224, and the first flange 224 is disposed around the inner side of the inner ring portion 221. The lower end of the outer ring portion 222 may extend toward the center to form a second flange 225, and the second flange 225 is disposed around the inner side of the outer ring portion 222. The lower end of the inner ring portion 221 and the lower end of the outer ring portion 222 may be connected to the other end of the outer ring mixing tube 12, so that the outer ring gas outlet 123 of the outer ring mixing tube 12 is combined with the outer ring furnace head 22 of the furnace head assembly 2, and the annular flow channel 223 is connected to the outer ring gas outlet 123.

In this embodiment, the other end of the outer ring mixing tube 12 extends to form a third folded edge 126 and a fourth folded edge 127. The third folded edge 126 is extended and bent from the other end of the outer ring mixing tube 12 so that the third folded edge 126 can be clamped outside the first flange 224 of the inner ring portion 221. The fourth folded edge 127 is extended and bent from the other end of the outer ring mixing tube 12 so that the fourth folded edge 127 can be clamped outside the second flange 225 of the outer ring portion 222, so that the outer ring air outlet 123 of the outer ring mixing tube 12 can be stably combined with the outer ring furnace head 22 of the furnace head group 2. The third folded edge 126 and the fourth folded edge 127 are both three-bend structures, which can be bent to form a U-shape, have a better clamping effect, and can make the outer ring mixing tube 12 and the outer ring furnace head 22 stably combined.

In this embodiment, an inner ring tooth cover 4 and an outer ring tooth cover 5 are respectively provided on the inner ring furnace head 21 and the outer ring furnace head 22 (as shown in FIGS. 1 to 4 ). The inner ring tooth cover 4 can be a circular cover, and the outer ring tooth cover 5 can be a toroidal cover. The inner ring tooth cover 4 can be used to close the upper end of the inner ring furnace head 21, and the outer ring tooth cover 5 can be used to close the upper end of the inner ring furnace head 21. The gear cover 5 can be used to close the upper end of the annular flow channel 223. The inner ring gear cover 4 is provided with a plurality of inner ring flame holes 41 at intervals. The inner ring flame holes 41 are connected to the inner part of the inner ring furnace head 21, so that the gas can be transported to the inner ring furnace head 21 and the inner ring gear cover 4 through the inner ring mixing tube 11, and the flames are ejected from the inner ring flame holes 41. The outer ring gear cover 5 is provided with a plurality of outer ring flame holes 51 at intervals. The outer ring flame holes 51 are connected to the annular flow channel 223, so that the gas can be transported to the outer ring furnace head 22 and the outer ring gear cover 5 through the outer ring mixing tube 12, and the flames are ejected from the outer ring flame holes 51.

In this embodiment, a soup pan 6 (as shown in FIG. 4 ) can be disposed between the inner ring furnace head 21 and the outer ring furnace head 22. The soup pan 6 includes an upper cover 61 and a lower cover 62. The upper cover 61 is disposed above the lower cover 62. The upper cover 61 and the lower cover 62 are combined. The upper cover 61 and the lower cover 62 are respectively provided with a plurality of upper through holes 611 and a plurality of lower through holes 621. The upper through holes 611 and the lower through holes 621 are staggered with each other to prevent the soup from directly penetrating into the interior of the machine body, making cleaning easier. At the same time, the secondary air can be introduced to the root of the flame, making the combustion more complete and reducing the exhaust gas.

[Beneficial Effects of Embodiments]

The beneficial effect of the invention is that the double-ring combustion device provided by the invention includes a mixing tube group and a furnace head group. The mixing tube group includes an inner ring mixing tube and an outer ring mixing tube, and the outer ring mixing tube is a stainless steel sheet metal part. The furnace head group includes an inner ring furnace head and an outer ring furnace head, and the inner ring furnace head and the outer ring furnace head are copper parts. The inner ring furnace head is assembled at the inner ring air outlet of the inner ring mixing tube, and the outer ring furnace head is assembled at the outer ring air outlet of the outer ring mixing tube. The outer ring mixing tube of the mixing tube group of this invention uses stainless steel sheet metal, which can reduce environmental pollution caused during production, reduce the use of materials and weight, and resist corrosion. The combination of the stainless steel mixing tube group and the copper furnace head group can reduce thermal deformation, while avoiding problems such as red fire and increased exhaust gas, which can reduce environmental pollution during production and avoid the combustion problem of pure stainless steel burners.

The above disclosed contents are only the preferred feasible embodiments of the present invention and do not limit the scope of the patent application of the present invention. Therefore, all equivalent technical changes made by using the instructions and diagrams of the present invention are included in the scope of the patent application of the present invention.

1: Mixing tube assembly 11: Inner ring mixing tube 111: Inner ring mixing channel 112: Inner ring air inlet 113: Inner ring air outlet 114: Opening 12: Outer ring mixing tube 121: Outer ring mixing channel 122: Outer ring air inlet 123: Outer ring air outlet 124: Upper shell 1241: First fold 125: Lower shell 1251: Second fold 126: Third fold 127: Fourth fold 128: Inner side wall 129: Outer side wall 2: Furnace head assembly 21: Inner ring furnace head 22: Outer ring furnace head 221: Inner ring part 222: Outer ring 223: Annular flow channel 224: First flange 225: Second flange 3: Air nozzle 4: Inner ring tooth cover 41: Inner ring flame hole 5: Outer ring tooth cover 51: Outer ring flame hole 6: Soup pan 61: Upper cover 611: Upper perforation 62: Lower cover 621: Lower perforation

FIG1 is a three-dimensional exploded view of the double-ring combustion device of this invention.

Figure 2 is a three-dimensional diagram of the double-ring combustion device of this invention.

FIG. 3 is a cross-sectional view taken along line III-III of FIG. 2 .

FIG4 is a detailed diagram of part IV of FIG3 .

FIG. 5 is a three-dimensional diagram of the inner ring mixing tube and the inner ring furnace head of the present invention.

FIG. 6 is a VI-VI cross-sectional view of FIG. 5 .

FIG. 7 is a three-dimensional diagram of the outer ring mixing tube and the outer ring furnace head of the present invention.

FIG8 is a cross-sectional view taken along the line VIII-VIII in FIG7 .

FIG. 9 is a cross-sectional view taken along line IX-IX of FIG. 7 .

1: Mixing tube set

11: Inner ring mixing tube

111: Inner ring mixing channel

112: Inner ring air inlet

113: Inner ring air outlet

114: Opening

12: Outer ring mixing tube

121: Outer ring mixing channel

122: Outer ring air inlet

123: Outer ring air outlet

124: Upper shell

1241: First fold

125: Lower housing

1251: Second fold

126: Third fold

127: Fourth fold

128: medial wall

129: Outer wall

2: Furnace assembly

21: Inner ring stove head

22: Outer ring stove head

221: Inner Ring Department

222: Outer Ring Department

223: Annular flow channel

224: First flange

225: Second flange

3: Air nozzle

4: Inner ring tooth cover

41: Inner ring flame hole

5: Outer ring tooth cover

51: Outer ring flame hole

6: Soup plate

Claims (10)

A double-ring combustion device, comprising: a mixing tube group, the mixing tube group comprising an inner ring mixing tube and an outer ring mixing tube, the inner ring mixing tube forming an inner ring mixing channel, one end of the inner ring mixing tube having an inner ring air inlet, the other end of the inner ring mixing tube having an inner ring air outlet, the inner ring mixing channel connecting the inner ring air inlet and the inner ring air outlet, the outer ring mixing tube being a stainless steel sheet metal part, the outer ring mixing tube forming an outer ring mixing channel, one end of the outer ring mixing tube having an outer ring air inlet, the other end of the outer ring mixing tube having an outer ring air outlet, the outer ring mixing channel connecting the outer ring air inlet and the outer ring air outlet; and A furnace head group, the furnace head group includes an inner ring furnace head and an outer ring furnace head, the inner ring furnace head and the outer ring furnace head are copper parts, the inner ring furnace head is assembled at the inner ring air outlet of the inner ring mixing tube, the outer ring furnace head is assembled at the outer ring air outlet of the outer ring mixing tube, the interior of the inner ring furnace head is connected to the inner ring air outlet, and the outer ring furnace head is provided with an annular flow channel, and the annular flow channel is connected to the outer ring air outlet. A double-ring combustion device as described in claim 1, wherein the inner ring mixing tube is vertically arranged, the inner ring air inlet and the inner ring air outlet are respectively arranged at the lower end and the upper end of the inner ring mixing flow channel, and the inner ring mixing tube is provided with a plurality of openings near the inner ring air inlet. A double-ring combustion device as described in claim 1, wherein the outer ring mixing tube includes an upper shell and a lower shell, the upper shell is arranged above the lower shell, the edge of the upper shell and the edge of the lower shell extend to form a first fold edge and a second fold edge respectively, the first fold edge and the second fold edge are combined with each other, and the outer ring mixing flow channel is formed between the upper shell and the lower shell. A double-ring combustion device as described in claim 3, wherein the first fold edge and the second fold edge are horizontal, the first fold edge is overlapped above the second fold edge, and one end of the first fold edge extends and bends downward to below the second fold edge, so that the first fold edge is clamped outside the second fold edge. A double-ring combustion device as described in claim 1, wherein the other end of the outer ring mixing tube extends to form a third fold and a fourth fold, the third fold and the fourth fold are both in the shape of a circular ring, the fourth fold is located at the outer periphery of the third fold, the third fold and the fourth fold are arranged at intervals, and the third fold and the fourth fold are connected to the furnace head group. A double-ring combustion device as described in claim 5, wherein the other end of the outer ring mixing tube extends to form an inner wall and an outer wall, the inner wall and the outer wall are vertically arranged, the outer wall is located at the outer periphery of the inner wall, the inner wall and the outer wall are spaced apart, the outer ring air outlet is formed between the inner wall and the outer wall, and the third folded edge and the fourth folded edge are respectively formed at the upper end of the inner wall and the upper end of the outer wall. A double-ring combustion device as described in claim 6, wherein the outer ring furnace head includes an inner ring portion and an outer ring portion, the inner ring portion and the outer ring portion are vertically arranged, the outer ring portion is located at the outer periphery of the inner ring portion, the annular flow channel is formed between the inner ring portion and the outer ring portion, the lower end of the inner ring portion extends to form a first flange, the lower end of the outer ring portion extends to form a second flange, the third folded edge is formed by extending and bending from the other end of the outer ring mixing tube, and the third folded edge is clamped outside the first flange, and the fourth folded edge is formed by extending and bending from the other end of the outer ring mixing tube, and the fourth folded edge is clamped outside the second flange. A double-ring combustion device as described in claim 7, wherein the lower end of the inner ring portion extends toward the center to form the first flange, the lower end of the outer ring portion extends toward the center to form the second flange, and the third fold edge and the fourth fold edge are both three-fold structures. A double-ring combustion device as described in claim 1, wherein an inner ring tooth cover and an outer ring tooth cover are respectively provided on the inner ring furnace head and the outer ring furnace head, the inner ring tooth cover closes the upper end of the inner ring furnace head, and the outer ring tooth cover closes the upper end of the annular flow channel, the inner ring tooth cover is provided with a plurality of inner ring flame holes at intervals, and the inner ring flame holes are connected to the interior of the inner ring furnace head, and the outer ring tooth cover is provided with a plurality of outer ring flame holes at intervals, and the outer ring flame holes are connected to the annular flow channel. A double-ring combustion device as described in claim 1, wherein a soup pan is arranged between the inner ring furnace head and the outer ring furnace head, and the soup pan includes an upper cover and a lower cover, the upper cover is arranged above the lower cover, the upper cover and the lower cover are combined, and the upper cover and the lower cover are respectively provided with a plurality of upper through holes and a plurality of lower through holes, and the upper through holes and the lower through holes are staggered with each other.

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