CN211316162U - Three-ring fire burner with stainless steel furnace end - Google Patents
Three-ring fire burner with stainless steel furnace end Download PDFInfo
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- CN211316162U CN211316162U CN201922500986.XU CN201922500986U CN211316162U CN 211316162 U CN211316162 U CN 211316162U CN 201922500986 U CN201922500986 U CN 201922500986U CN 211316162 U CN211316162 U CN 211316162U
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- air outlet
- outlet pipe
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- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 24
- 239000010935 stainless steel Substances 0.000 title claims abstract description 24
- 238000005192 partition Methods 0.000 claims abstract description 15
- 238000002347 injection Methods 0.000 claims description 97
- 239000007924 injection Substances 0.000 claims description 97
- 238000009423 ventilation Methods 0.000 claims description 27
- 239000000523 sample Substances 0.000 claims description 6
- 230000001502 supplementing effect Effects 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000013022 venting Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 28
- 238000002485 combustion reaction Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
A three-ring fire burner with stainless steel burner head comprises a distributor; the fire distributor comprises a chassis, an upper seat arranged on the chassis, an outer ring fire cover, a middle ring fire cover and an inner ring fire cover; an outer annular groove, a middle annular groove and an inner annular groove which are sequentially arranged at intervals from outside to inside are enclosed between the chassis and the upper seat; two groups of partition plates are arranged in the middle annular groove at intervals, and the middle annular groove is divided into a first strip-shaped groove and a second strip-shaped groove which are not communicated with each other by the two groups of partition plates; the outer side part of the second strip-shaped groove is provided with an air inlet gap communicated with the outer annular groove and an air outlet gap positioned outside the air inlet gap; the chassis comprises a bottom plate and a coaming, wherein the coaming extends upwards from the outer edge of the bottom plate, an outer air inlet hole, a middle air inlet hole and an inner air inlet hole are formed in the bottom plate, the outer air inlet hole is communicated with the outer annular groove and the second strip-shaped groove, the middle air inlet hole is communicated with the first strip-shaped groove, and the inner air inlet hole is communicated with the inner annular groove. The utility model discloses outer annular groove cooperation second strip groove has increased the volume that outside ring fire lid carried the gas.
Description
Technical Field
The utility model relates to a three-ring fire combustor with stainless steel furnace end.
Background
In the prior art, the three-ring fire burner comprises a burner head and a distributor arranged on the burner head, wherein the distributor comprises a chassis structure and an outer ring fire cover, a middle ring fire cover and an inner ring fire cover which are arranged on the chassis structure, and the chassis structure is provided with an outer ring gas groove, a middle ring gas groove and an inner ring gas groove which are respectively communicated with the outer ring fire cover, the middle ring fire cover and the inner ring fire cover.
The outer ring fire cover is provided with the fire holes with the largest number, and the combustion area of the outer ring fire cover is larger than that of the middle ring fire cover and that of the inner ring fire cover when the outer ring fire cover is ignited, so that the demand of the outer ring fire cover on fuel gas is also the largest. The problem lies in that, in the in-service use process, because the volume of outer loop gas groove is less, can't carry sufficient gas to outer loop fire lid, the flame that lights on outer loop fire lid is less. When the burner is in the maximum gear, the flame on the middle ring fire cover is even larger than the flame on the outer ring fire cover, because the air supplement on the middle ring fire cover is insufficient, the combustion is insufficient, and carbon black is easily generated on the middle ring fire cover, which is not beneficial to the cooking of users and the maintenance of the burner, and has certain limitation.
Therefore, further improvements are needed.
In addition, chinese patent document No. CN206469261U discloses a burner of a three-ring stove burner, which includes a head part and an injection pipe part, wherein the head part includes a seat plate, a central fire cover seat arranged at the center of the upper surface of the seat plate, a central injection pipe component arranged on the lower surface of the center of the seat plate, an inner ring air guide channel arranged at one end of the seat plate, and an outer ring air guide channel arranged at the other end of the seat plate, the inner and outer ring air guide channels extend to the upper surface and the lower surface of the seat plate; the central injection pipe assembly comprises a right-angle premixing cavity, a gas nozzle and an air adjusting sleeve, a vertical pipe of the right-angle premixing cavity is communicated with the central fire cover seat, and an air inlet end of a horizontal pipe of the right-angle premixing cavity is provided with an internal thread, an external thread section and an air inlet hole; the inner and outer ring air guide channels are respectively inserted into the inner air outlet seat and the outer air outlet seat, and the upper ends of the inner air outlet seat and the outer air outlet seat support the seat plate.
Wherein, constitute the straight line setting of arranging between center fire lid seat, inner ring air guide channel and the outer loop air guide channel, back on center fire lid seat, inner ring air guide channel and outer loop air guide channel was gone up in the distributor setting, the left and right sides slope that the distributor was easily arranged the direction along center fire lid seat, inner ring air guide channel and outer loop air guide channel straight line is rocked, is unfavorable for the safe handling of combustor.
Therefore, further improvements are also needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a three ring fire combustors with stainless steel furnace end, the second strip groove in its outer ring channel cooperation medium ring channel has increased the volume that outside ring fire lid carried the gas.
The purpose of the utility model is realized like this:
a three-ring fire burner with a stainless steel burner comprises a burner and a distributor arranged on the burner;
the fire distributor comprises a chassis, an upper seat arranged on the chassis, an outer ring fire cover, a middle ring fire cover and an inner ring fire cover;
an outer annular groove, an intermediate annular groove and an inner annular groove which are sequentially arranged at intervals from outside to inside are enclosed between the chassis and the upper seat;
the outer ring fire cover is arranged on the outer annular groove, the middle ring fire cover is arranged on the middle annular groove, and the inner ring fire cover is arranged on the inner annular groove;
two groups of partition plates are arranged in the middle annular groove at intervals, and the middle annular groove is divided into a first strip-shaped groove and a second strip-shaped groove which are not communicated with each other by the two groups of partition plates;
the outer side part of the second strip-shaped groove is provided with an air inlet gap communicated with the outer annular groove and an air outlet gap positioned outside the air inlet gap;
the chassis comprises a bottom plate and a coaming, wherein the coaming extends upwards from the outer edge of the bottom plate, an outer air inlet hole, a middle air inlet hole and an inner air inlet hole are formed in the bottom plate, the outer air inlet hole is communicated with the outer annular groove and the second strip-shaped groove, the middle air inlet hole is communicated with the first strip-shaped groove, and the inner air inlet hole is communicated with the inner annular groove.
The upper seat comprises an outer annular part, a first annular part, a second annular part, a third annular part and a central annular part which all extend along the vertical direction;
an outer annular groove is formed by the outer annular part, the coaming and the bottom plate;
an intermediate annular groove is formed by the first annular part, the second annular part and the bottom plate in a surrounding manner;
an inner annular groove is defined among the third annular part, the central annular part and the bottom plate;
the air inlet gap and the air outlet gap are communicated with the outer annular part and the first annular part;
the two ends of the partition plate respectively extend to the first annular part and the second annular part;
the upper seat further comprises a first horizontal plate covering the second strip-shaped groove, the air inlet gap and the air outlet gap, and the first horizontal plate is connected with the outer annular portion, the first annular portion, the second annular portion and the partition plate respectively.
The two sides of the air inlet gap and the air outlet gap are respectively provided with a first connection plate for connecting the outer annular part and the first annular part, and the first horizontal plate is connected with the first connection plate;
the outside of air inlet breach is provided with the horizontal baffle that meets with first horizontal plate, and the outer inlet port is located the below of horizontal baffle.
A first notch communicated with the first strip-shaped groove is formed in the first annular part, and second connection plates connecting the outer annular part and the first annular part are arranged on two sides of the first notch;
the upper seat further comprises a second horizontal plate covering the first notch, the second horizontal plate is respectively connected with the outer annular part, the second connection plate and the first annular part, and the inner side of the second horizontal plate extends to the second annular part;
the middle air inlet hole is positioned below the second horizontal plate.
A first ventilation interval for supplementing air to the middle fire cover is reserved between the outer annular part and the first annular part;
the bottom plate is provided with a first ventilation notch which is opposite to the first ventilation area and communicated with the first ventilation area.
A plurality of connecting plates for connecting the second annular part and the third annular part are arranged between the second annular part and the third annular part at intervals;
a second notch which is communicated with the inner annular groove and mutually staggered with the connecting plate is arranged on the third annular part, and third connecting plates which are connected with the third annular part and the second annular part are arranged on two sides of the second notch;
the upper seat further comprises a third horizontal plate covering the second notch, the third horizontal plate is respectively connected with the third annular part, the second annular part and the third connection plate, and the inner side of the third horizontal plate extends to the central annular part;
the inner air inlet hole is positioned below the third horizontal plate.
A second ventilation interval used for supplementing air to the inner ring fire cover is reserved between the third annular part and the second annular part;
and a second ventilation notch which is opposite to the second ventilation area and communicated with the second ventilation area is arranged on the bottom plate.
The outer air inlet hole is positioned at the right rear part of the center of the bottom plate, the middle air inlet hole is positioned at the left rear part of the center of the bottom plate, and the inner air inlet hole is positioned at the front part of the center of the bottom plate.
The furnace end comprises a positioning plate, a first air outlet pipe, a second air outlet pipe and a third air outlet pipe, wherein the first air outlet pipe, the second air outlet pipe and the third air outlet pipe are used for being connected with the distributor and conveying gas to the distributor;
the first air outlet pipe is communicated with the middle air inlet hole, the second air outlet pipe is communicated with the inner air inlet hole, and the third air outlet pipe is communicated with the outer air inlet hole;
the outer air inlet hole, the middle air inlet hole and the inner air inlet hole are all provided with connecting pipes extending downwards, and the first air outlet pipe, the second air outlet pipe and the third air outlet pipe are inserted into the corresponding connecting pipes.
The first air outlet pipe, the second air outlet pipe and the third air outlet pipe are arranged on the positioning plate in a non-linear mode;
the first air outlet pipe, the second air outlet pipe and the third air outlet pipe are arranged at intervals from left to right in sequence;
the second air outlet pipe is positioned at the front parts of the first air outlet pipe and the third air outlet pipe;
the first air outlet pipe is positioned at the front part or the rear part of the third air outlet pipe;
a first assembling hole for installing an anti-dry heating probe is formed in the positioning plate;
through holes for preventing the dry-burning probe from penetrating upwards are formed in the centers of the bottom plate and the inner ring fire cover;
the first assembly hole is positioned among the first air outlet pipe, the second air outlet pipe and the third air outlet pipe;
a second assembling hole for installing an ignition needle and a third assembling hole for installing a thermocouple are formed in the positioning plate;
the second assembly hole and the third assembly hole are positioned among the first air outlet pipe, the second air outlet pipe and the third air outlet pipe;
the first assembling hole is positioned behind the second air outlet pipe and is positioned in front of the first air outlet pipe and the third air outlet pipe;
the second assembling hole and the third assembling hole are positioned behind the first assembling hole, and the second assembling hole is positioned on the left side of the third assembling hole;
the positioning plate is provided with a first mounting hole, a second mounting hole and a third mounting hole corresponding to the first air outlet pipe, the second air outlet pipe and the third air outlet pipe;
the first air outlet pipe is arranged in the first mounting hole, the second air outlet pipe is arranged in the second mounting hole, and the third air outlet pipe is arranged in the third mounting hole;
the first mounting hole, the second mounting hole and the third mounting hole are all provided with annular bosses, and at least part of the first air outlet pipe, the second air outlet pipe and the third air outlet pipe are positioned at the inner sides of the corresponding annular bosses;
the connecting pipe is abutted against the corresponding annular boss;
the furnace end comprises a first injection pipe, a second injection pipe and a third injection pipe which are all positioned below the positioning plate;
one end of the first ejector pipe is connected with the first air outlet pipe, one end of the second ejector pipe is connected with the second air outlet pipe, and one end of the third ejector pipe is connected with the third air outlet pipe;
the bottom of the positioning plate is provided with a fixed bracket;
the fixed support comprises a base plate and vertical plates, wherein the base plate is positioned below the first injection pipe, the second injection pipe and the third injection pipe, and the vertical plates extend upwards from the left end and the right end of the base plate respectively and are fixedly connected with the bottom surface of the positioning plate;
the first injection pipe, the second injection pipe and the third injection pipe are positioned between the vertical plates at the left end and the right end of the base plate;
the first injection pipe, the second injection pipe and the third injection pipe are arranged at intervals from left to right in sequence;
the first injection pipe and the first air outlet pipe are of an integrated structure;
the second injection pipe and the second air outlet pipe are of an integrated structure;
the third injection pipe and the third air outlet pipe are of an integrated structure;
the first injection pipe and the first air outlet pipe, the second injection pipe and the second air outlet pipe, and the third injection pipe and the third air outlet pipe are all manufactured by integrally forming stainless steel pipes.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a cross-sectional view of an embodiment of the present invention.
Fig. 3 is an exploded view of a fire distributor according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of an upper seat according to an embodiment of the present invention.
Fig. 5 is an exploded view of a fire divider according to an embodiment of the present invention.
Fig. 6 is a schematic structural view of a burner according to an embodiment of the present invention.
Fig. 7 is a schematic structural view of a burner according to an embodiment of the present invention.
Fig. 8 is a schematic structural view of a burner according to an embodiment of the present invention.
Fig. 9 is an exploded view of a burner according to an embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
Referring to fig. 1 to 9, the three-ring fire burner with the stainless steel burner comprises a burner 1 and a distributor 2 arranged on the burner 1;
and a secondary air inlet interval is formed between the bottom surface of the distributor 2 and the furnace end 1.
The fire distributor 2 comprises a chassis 21, an upper seat 22 arranged on the chassis 21, an outer ring fire cover 23, a middle ring fire cover 24 and an inner ring fire cover 25;
the upper parts of the outer sides of the outer ring fire cover 23, the middle ring fire cover 24 and the inner ring fire cover 25 are respectively provided with a plurality of air outlet through holes which are arranged at intervals along the circumferential direction, the air outlet through holes are arranged in an inclined mode, and the outer sides of the air outlet through holes are higher than the inner sides of the air outlet through holes.
The outer ring fire cover 23, the middle ring fire cover 24 and the inner ring fire cover 25 are all ring-shaped.
An outer annular groove 201, an intermediate annular groove 202 and an inner annular groove 203 are formed between the chassis 21 and the upper seat 22 in sequence at intervals from outside to inside;
the outer annular groove 201, the middle annular groove 202 and the inner annular groove 203 are all used for conveying gas.
The outer ring fire cover 23 is arranged on the outer annular groove 201, the middle ring fire cover 24 is arranged on the middle annular groove 202, and the inner ring fire cover 25 is arranged on the inner annular groove 203;
two groups of partition plates 2021 are arranged in the middle annular groove 202 at intervals, and the two groups of partition plates 2021 divide the middle annular groove 202 into a first strip-shaped groove 2022 and a second strip-shaped groove 2023 which are not communicated with each other;
the two-component partition 2021 is symmetrically arranged.
In this embodiment, the volume of the second stripe-shaped groove 2023 is larger than the volume of the first stripe-shaped groove 2022.
An air inlet gap 2024 and an air outlet gap 2025 are arranged on the outer side of the second strip-shaped groove 2023, wherein the air inlet gap 2024 is communicated with the outer annular groove 201, and the air outlet gap 2025 is arranged on the outer side of the air inlet gap 2024;
the chassis 21 comprises a bottom plate 211 and a coaming 212 extending upwards from the outer edge of the bottom plate 211, wherein an outer air inlet 2111 communicated with the outer annular groove 201 and the second strip-shaped groove 2023 and opposite to the air inlet gap 2024, a middle air inlet 2112 communicated with the first strip-shaped groove 2022 and an inner air inlet 2113 communicated with the inner annular groove 203 are arranged on the bottom plate 211.
Gas is introduced into the distributor 2 through the outer inlet ports 2111, the middle inlet ports 2112, and the inner inlet ports 2113.
The outer annular groove 201 is matched with the second strip-shaped groove 2023 in the middle annular groove 202, so that the volume for conveying gas to the outer annular fire cover 23 is increased, namely, one section in the original middle annular groove 202 is used, the big fire combustion of the outer annular fire cover 23 is facilitated, the gas in the middle annular groove 202 is simultaneously shunted, and the insufficient combustion and the generation of carbon black on the middle annular fire cover 24 are avoided.
The gas input from the external air inlet hole 2111 is divided into the outer annular groove 201 and the second strip groove 2023 through the air inlet gap 2024, most of the gas in the second strip groove 2023 flows into the outer annular groove 201 through the air outlet gap 2025, a small part of the gas in the second strip groove 2023 flows into the outer annular groove 201 through the air inlet gap 2024,
the air inlet gap 2024 and the air outlet gap 2025 are spaced, so that the gas can be input into the outer annular groove 201 from different positions, which is beneficial to the uniform distribution of the gas in the outer annular groove 201.
The number of the air outlet gaps 2025 is one, or the number of the air outlet gaps 2025 is more than two and the air outlet gaps 2025 are arranged at intervals.
In this embodiment, the number of the air outlet gaps 2025 is two, and the two air outlet gaps 2025 are respectively located at the outer sides of the two ends of the second strip-shaped groove 2023, and the two air outlet gaps 2025 are respectively located at the two sides of the air inlet gap 2024.
Further, the upper seat 22 includes an outer annular portion 221, a first annular portion 222, a second annular portion 223, a third annular portion 224, and a central annular portion 225, all extending vertically;
the outer annular portion 221, the first annular portion 222, the second annular portion 223, the third annular portion 224, and the central annular portion 225 are sequentially spaced from the outside to the inside.
The bottom of the outer annular portion 221, the first annular portion 222, the second annular portion 223, the third annular portion 224 and the central annular portion 225 is connected to the upper surface of the bottom plate 211 in an abutting manner.
The outer annular part 221, the coaming 212 and the bottom plate 211 enclose an outer annular groove 201;
the first annular part 222, the second annular part 223 and the bottom plate 211 enclose an annular groove 202;
the third annular part 224, the central annular part 225 and the bottom plate 211 enclose an inner annular groove 203;
the outer side of the outer ring fire cover 23 is provided on the shroud 212 and the inner side of the outer ring fire cover 23 is provided on the outer annular portion 221.
The outer side of the middle ring fire cover 24 is disposed on the first annular portion 222, and the inner side of the middle ring fire cover 24 is disposed on the second annular portion 223.
The outer side of the inner ring fire cover 25 is disposed on the third annular portion 224, and the inner side of the inner ring fire cover 25 is disposed on the central annular portion 225.
The air inlet gap 2024 and the air outlet gap 2025 both penetrate the outer annular portion 221 and the first annular portion 222;
the partition plate 2021 extends to the first annular portion 222 and the second annular portion 223 at two ends respectively;
the upper seat 22 further includes a first horizontal plate 226 covering the second strip-shaped groove 2023, the air inlet gap 2024 and the air outlet gap 2025, and the first horizontal plate 226 is connected to the outer annular portion 221, the first annular portion 222, the second annular portion 223 and the partition plate 2021.
The first horizontal plate 226 is sealed at the upper portion of the second strip-shaped groove 2023, so that the gas can enter the outer annular groove 201 through the second strip-shaped groove 2023 and the gas outlet gap 2025.
Further, two sides of the air inlet gap 2024 and the air outlet gap 2025 are respectively provided with a first connection plate 227 connecting the outer annular portion 221 and the first annular portion 222, the first connection plate 227 extends vertically to connect the outer annular portion 221 and the first annular portion 222, and the first horizontal plate 226 is connected to the first connection plate 227;
the outer side of the air inlet gap 2024 is provided with a horizontal baffle 228 connected with the first horizontal plate 226, and the external air inlet holes 2111 are located below the horizontal baffle 228.
The gas input from the external air inlet hole 2111 contacts the horizontal baffle 228, and the gas is conveyed transversely and divided into the outer annular groove 201 and the second strip groove 2023 more quickly under the blocking action of the horizontal baffle 228.
Further, a first notch 2221 communicated with the first strip groove 2022 is arranged on the first annular portion 222, second connection plates 2222 connecting the outer annular portion 221 and the first annular portion 222 are arranged on two sides of the first notch 2221, and the second connection plates 2222 extend vertically to connect the outer annular portion 221 and the first annular portion 222.
The upper seat 22 further includes a second horizontal plate 2223 covering the first notch 2221, the second horizontal plate 2223 is respectively connected to the outer annular portion 221, the second connection plate 2222 and the first annular portion 222, and the inner side of the second horizontal plate 2223 extends to the second annular portion 223;
the second horizontal plate 2223 is blocked only on a section of the first stripe-shaped groove 2022.
The central air intake holes 2112 are located below the second horizontal plate 2223.
The gas input from the gas inlet hole 2112 contacts the second horizontal plate 2223, and the gas is faster conveyed transversely under the blocking action of the second horizontal plate 2223 and is distributed into the first strip-shaped groove 2022.
Further, a first ventilation zone 205 for supplementing air to the middle fire lid 24 is left between the outer annular portion 221 and the first annular portion 222;
the base plate 211 is provided with a first vent notch 2115 opposite the first vent segment 205 and in communication with the first vent segment 205.
The air outside the distributor 2 is sequentially output to the inner ring fire cover 25 through the secondary air inlet section, the first ventilation notch 2115 and the first ventilation section 205.
The first ventilation section 205 is divided into a plurality of sections by the air inlet gap 2024, the air outlet gap 2025, and the first gap 2221.
Further, a plurality of connecting plates 206 for connecting the second annular part 223 and the third annular part 224 are arranged at intervals between the two annular parts;
in this embodiment, the number of the connection plates 206 is three and is provided at intervals in the circumferential direction.
Be equipped with on the third annular portion 224 communicate with inner ring groove 203 and with the mutual second breach 2241 that staggers of connecting plate 206, the both sides of second breach 2241 all are provided with the third board of plugging into 2242 of connecting third annular portion 224 and second annular portion 223, and the third board of plugging into 2242 is along vertical extension, realizes being connected of third annular portion 224 and second annular portion 223.
The connecting plate 206 and the second notch 2241 are arranged at intervals along the circumferential direction.
The upper seat 22 further includes a third horizontal plate 2243 covering the second notch 2241, the third horizontal plate 2243 is respectively connected to the third annular portion 224, the second annular portion 223 and the third connection plate 2242, and the inner side of the third horizontal plate 2243 extends to the central annular portion 225;
the third horizontal plate 2243 blocks only a section of the inner annular groove 203.
The inner air inlet holes 2113 are located below the third horizontal plate 2243.
The gas input from the inner air inlet hole 2113 contacts the third horizontal plate 2243, and the gas is conveyed transversely and is distributed into the inner annular groove 203 more quickly under the blocking action of the third horizontal plate 2243.
Further, a second ventilation area 204 for supplying air to the inner ring fire cover 25 is left between the third annular portion 224 and the second annular portion 223;
the bottom plate 211 is provided with a second ventilation notch 2114 opposite to the second ventilation area 204 and communicated with the second ventilation area 204.
The air outside the distributor 2 is sequentially output to the inner ring fire cover 25 through the secondary air inlet region, the second ventilation notch 2114 and the second ventilation region 204.
In this embodiment, the number of the second ventilation notches 2114 is four and the second ventilation notches are circumferentially spaced.
Further, the external air intake holes 2111 are located right behind the center of the bottom plate 211, the middle air intake holes 2112 are located left behind the center of the bottom plate 211, and the internal air intake holes 2113 are located front of the center of the bottom plate 211.
The center intake ports 2112 are located forward of the outside intake ports 2111.
Further, the burner 1 comprises a positioning plate 11, a first air outlet pipe 12, a second air outlet pipe 13 and a third air outlet pipe 14, wherein the first air outlet pipe 12 is connected with the distributor 2 and used for conveying gas to the distributor 2;
in the present embodiment, the positioning plate 11 has a rectangular parallelepiped shape, but the positioning plate 11 may have a circular shape, an elliptical shape, other regular polygonal shapes, and non-regular polygonal shapes.
The first outlet pipe 12, the second outlet pipe 13 and the third outlet pipe 14 extend upwards.
The first air outlet pipe 12 is communicated with the middle air inlet hole 2112, the second air outlet pipe 13 is communicated with the inner air inlet hole 2113, and the third air outlet pipe 14 is communicated with the outer air inlet hole 2111;
the external air inlet hole 2111, the middle air inlet hole 2112 and the internal air inlet hole 2113 are all provided with connecting pipes 207 extending downwards, and the first air outlet pipe 12, the second air outlet pipe 13 and the third air outlet pipe 14 are inserted into the corresponding connecting pipes 207.
Further, the first air outlet pipe 12, the second air outlet pipe 13 and the third air outlet pipe 14 are arranged on the positioning plate 11 in a non-linear arrangement;
that is, at least two of the first outlet pipe 12, the second outlet pipe 13, and the third outlet pipe 14 are disposed in a staggered manner in the front-rear direction, and at least two of the first outlet pipe 12, the second outlet pipe 13, and the third outlet pipe 14 are disposed in a staggered manner in the left-right direction.
Therefore, the first outlet pipe 12, the second outlet pipe 13 and the third outlet pipe 14 form a triangular layout structure, and when the fire distributor 2 is arranged on the positioning plate 11, the first outlet pipe 12, the second outlet pipe 13 and the third outlet pipe 14 form three-point support for the fire distributor 2.
The positioning mode is more stable and firmer, the shaking of the distributor 2 relative to the burner 1 and the shaking of the connecting pipe 207 relative to the corresponding first outlet pipe 12, second outlet pipe 13 and third outlet pipe 14 are effectively avoided, and the gas leakage at the connecting part of the connecting pipe 207 and the corresponding first outlet pipe 12, second outlet pipe 13 and third outlet pipe 14 is avoided.
The first air outlet pipe 12, the second air outlet pipe 13 and the third air outlet pipe 14 are arranged at intervals from left to right in sequence;
the second outlet pipe 13 is positioned in front of the first outlet pipe 12 and the third outlet pipe 14;
the first outlet pipe 12 is positioned at the front part or the rear part of the third outlet pipe 14;
in this embodiment, the first outlet pipe 12 is located at the front of the third outlet pipe 14.
A first assembling hole 111 for installing an anti-dry heating probe 101 is formed in the positioning plate 11;
the centers of the bottom plate 211 and the inner ring fire cover 25 are both provided with through holes 208 for preventing the dry-burning probe 101 from penetrating upwards;
the first fitting hole 111 is positioned among the first outlet pipe 12, the second outlet pipe 13 and the third outlet pipe 14;
a second assembling hole 112 for installing an ignition needle 102 and a third assembling hole 113 for installing a thermocouple 103 are formed in the positioning plate 11;
the ignition needle 102 and the thermocouple 103 pass out through the second vent notch 2114 and the second vent area 204 to the outside of the inner ring fire cover 25.
The second assembly hole 112 and the third assembly hole 113 are positioned among the first outlet pipe 12, the second outlet pipe 13 and the third outlet pipe 14;
the first assembling hole 111 is positioned at the rear part of the second outlet pipe 13, and the first assembling hole 111 is positioned at the front parts of the first outlet pipe 12 and the third outlet pipe 14;
the second and third assembly holes 112 and 113 are located behind the first assembly hole 111, and the second assembly hole 112 is located on the left side of the third assembly hole 113;
the horizontal sections of the first air outlet pipe 12, the second air outlet pipe 13 and the third air outlet pipe 14 are all circular;
the projection points of the central axes of the first outlet pipe 12, the second outlet pipe 13 and the third outlet pipe 14 on the horizontal plane are not on the same straight line.
The projected point connecting line of the central axes of the first outlet pipe 12 and the second outlet pipe 13 on the horizontal plane, the projected point connecting line of the central axes of the first outlet pipe 12 and the third outlet pipe 14 on the horizontal plane and the projected point connecting line of the central axes of the second outlet pipe 13 and the third outlet pipe 14 on the horizontal plane form a triangle, so that the first outlet pipe 12, the second outlet pipe 13 and the third outlet pipe 14 form a three-point support for the fire divider 2.
The positioning plate 11 is provided with a first mounting hole 114, a second mounting hole 115 and a third mounting hole 116 corresponding to the first outlet pipe 12, the second outlet pipe 13 and the third outlet pipe 14;
the first air outlet pipe 12 is arranged in a first mounting hole 114, the second air outlet pipe 13 is arranged in a second mounting hole 115, and the third air outlet pipe 14 is arranged in a third mounting hole 116;
the first mounting hole 114, the second mounting hole 115 and the third mounting hole 116 are all provided with annular bosses 117, and the first air outlet pipe 12, the second air outlet pipe 13 and the third air outlet pipe 14 are at least partially positioned at the inner sides of the corresponding annular bosses 117;
the connection tube 207 rests on the respective annular boss 117;
the connection pipe 207 and the annular projection 117 are disposed to have a space between the bottom surface of the distributor 2 and the upper surface of the burner 1, i.e., a secondary air inlet space.
The furnace end 1 comprises a first injection pipe 15, a second injection pipe 16 and a third injection pipe 17 which are all positioned below the positioning plate 11;
one end of the first ejector pipe 15 is connected with the first air outlet pipe 12, one end of the second ejector pipe 16 is connected with the second air outlet pipe 13, and one end of the third ejector pipe 17 is connected with the third air outlet pipe 14;
and air door baffles 104 are arranged at one ends of the first injection pipe 15, the second injection pipe 16 and the third injection pipe 17 far away from the positioning plate 11.
The air door baffle plate 104 is used for limiting the maximum air inlet amount of primary air, fixing the nozzle, ensuring the coaxiality of the nozzle and the first injection pipe 15, the second injection pipe 16 and the third injection pipe 17, and the nozzle is fixed on the air door baffle plate 104 in a radial interference fit and axial buckling mode.
A fixing bracket 18 is arranged at the bottom of the positioning plate 11;
the fixed bracket 18 comprises a base plate 181 positioned below the first injection pipe 15, the second injection pipe 16 and the third injection pipe 17 and vertical plates 182 which extend upwards from the left end and the right end of the base plate 181 and are fixedly connected with the bottom surface of the positioning plate 11;
the base plate 181 is fixed on a bottom case (not shown) of the oven by screws.
The first injection pipe 15, the second injection pipe 16 and the third injection pipe 17 are positioned between the vertical plates 182 at the left end and the right end of the base plate 181;
the positioning plate 11 and the fixing bracket 18 are both made of stainless steel.
The first injection pipe 15, the second injection pipe 16 and the third injection pipe 17 are arranged at intervals from left to right in sequence;
a first fixing piece 105 for connecting the first injection pipe 15 and the second injection pipe 16 is arranged between the first injection pipe 15 and the second injection pipe 16, and a second fixing piece 106 for connecting the second injection pipe 16 and the third injection pipe 17 is arranged between the second injection pipe 16 and the third injection pipe 17.
The first fixing plate 105 is in a U shape, two ends of the first fixing plate 105 are respectively connected with the first injection pipe 15 and the second injection pipe 16, and the bottom of the first fixing plate 105 is fixed on a bottom shell of the stove through screws.
The second fixing plate 106 is also U-shaped, two ends of the second fixing plate 106 are respectively connected with the second injection pipe 16 and the third injection pipe 17, and the bottom of the second fixing plate 106 is fixed on the bottom case of the stove by screws.
The first injection pipe 15 and the first air outlet pipe 12 are of an integral structure;
the second injection pipe 16 and the second air outlet pipe 13 are of an integral structure;
the third injection pipe 17 and the third air outlet pipe 14 are of an integral structure;
the first air outlet pipe 12, the second air outlet pipe 13, the third air outlet pipe 14, the first injection pipe 15, the second injection pipe 16, the third injection pipe 17 and the fixing support 18 are finally fixed on the positioning plate 11 through welding.
The first injection pipe 15 and the first air outlet pipe 12, the second injection pipe 16 and the second air outlet pipe 13, and the third injection pipe 17 and the third air outlet pipe 14 are respectively formed by integrally forming stainless steel pipes.
The first injection pipe 15, the second injection pipe 16 and the third injection pipe 17 are all formed by processing stainless steel sheets, the inner walls of the first injection pipe 15, the second injection pipe 16 and the third injection pipe 17 are obviously thinner than the inner walls of the injection pipes of the cast iron burner, the heat storage capacity of the first injection pipe 15, the second injection pipe 16 and the third injection pipe 17 is weak, and the first injection pipe 15, the second injection pipe 16 and the third injection pipe 17 can be cooled by heat dissipation when fuel gas is input, so that the first injection pipe 15, the second injection pipe 16 and the third injection pipe 17 are kept at lower temperature, and long-term use of the burner 1 is facilitated.
The first pipe 15 and first outlet duct 12 of drawing that forms by the stainless steel manufacturing, the second draws and draws pipe 16 and second outlet duct 13 and the third draws and draw pipe 17 and third outlet duct 14, locating plate 11 and fixed bolster 18 constitution stainless steel furnace end 1, this furnace end 1 has light in weight and indelible corrosion, the quantity of raw and other materials is less than the cast iron furnace end, effectively reduce the cost of furnace end 1, make the manufacturing cost of combustor reduce simultaneously, be favorable to prolonging the life of combustor.
The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, but rather that various changes and modifications may be made without departing from the spirit and scope of the invention, the scope of which is defined by the appended claims and their equivalents.
Claims (10)
1. A three-ring fire burner with a stainless steel burner is characterized by comprising a burner (1) and a distributor (2) arranged on the burner (1);
the fire distributor (2) comprises a chassis (21), an upper seat (22) arranged on the chassis (21), an outer ring fire cover (23), a middle ring fire cover (24) and an inner ring fire cover (25);
an outer annular groove (201), an intermediate annular groove (202) and an inner annular groove (203) which are sequentially arranged at intervals from outside to inside are defined between the chassis (21) and the upper seat (22);
the outer ring fire cover (23) is arranged on the outer annular groove (201), the middle ring fire cover (24) is arranged on the middle annular groove (202), and the inner ring fire cover (25) is arranged on the inner annular groove (203);
two groups of partition plates (2021) are arranged in the middle annular groove (202) at intervals, and the middle annular groove (202) is divided into a first strip-shaped groove (2022) and a second strip-shaped groove (2023) which are not communicated with each other by the two groups of partition plates (2021);
an air inlet gap (2024) and an air outlet gap (2025) are arranged on the outer side of the second strip-shaped groove (2023), wherein the air inlet gap (2024) is communicated with the outer annular groove (201) and the air outlet gap (2024) is positioned on the outer side of the air inlet gap (2024);
the chassis (21) comprises a bottom plate (211) and a coaming (212) extending upwards from the outer edge of the bottom plate (211), wherein an outer air inlet hole (2111) communicated with the outer annular groove (201) and the second strip-shaped groove (2023) and opposite to the air inlet gap (2024), a middle air inlet hole (2112) communicated with the first strip-shaped groove (2022) and an inner air inlet hole (2113) communicated with the inner annular groove (203) are formed in the bottom plate (211).
2. Three-ring fire burner with stainless steel burner according to claim 1, characterized in that said upper seat (22) comprises an outer annular portion (221), a first annular portion (222), a second annular portion (223), a third annular portion (224) and a central annular portion (225), all extending vertically;
an outer annular groove (201) is defined by the outer annular part (221), the coaming (212) and the bottom plate (211);
the first annular part (222), the second annular part (223) and the bottom plate (211) enclose an annular groove (202) therebetween;
an inner annular groove (203) is defined by the third annular part (224), the central annular part (225) and the bottom plate (211);
the air inlet gap (2024) and the air outlet gap (2025) penetrate through the outer annular part (221) and the first annular part (222);
the two ends of the partition plate (2021) respectively extend to the first annular part (222) and the second annular part (223);
the upper seat (22) further comprises a first horizontal plate (226) covering the second strip-shaped groove (2023), the air inlet gap (2024) and the air outlet gap (2025), and the first horizontal plate (226) is respectively connected with the outer annular portion (221), the first annular portion (222), the second annular portion (223) and the partition plate (2021).
3. The three-ring fire burner with stainless steel burner head according to claim 2, characterized in that the inlet gap (2024) and the outlet gap (2025) are provided with a first connection plate (227) connecting the outer annular portion (221) and the first annular portion (222) on both sides, the first horizontal plate (226) is connected with the first connection plate (227);
the outer side of the air inlet notch (2024) is provided with a horizontal baffle (228) connected with the first horizontal plate (226), and the external air inlet hole (2111) is positioned below the horizontal baffle (228).
4. The burner with a triple ring fire having a stainless steel burner as claimed in claim 3, wherein the first annular portion (222) is provided with a first notch (2221) communicating with the first strip groove (2022), and both sides of the first notch (2221) are provided with second connection plates (2222) connecting the outer annular portion (221) and the first annular portion (222);
the upper seat (22) further comprises a second horizontal plate (2223) covering the first notch (2221), the second horizontal plate (2223) is respectively connected with the outer annular part (221), the second connection plate (2222) and the first annular part (222), and the inner side of the second horizontal plate (2223) extends to the second annular part (223);
the middle air inlet hole (2112) is positioned below the second horizontal plate (2223).
5. Three-ring fire burner with stainless steel burner head according to claim 4, characterized in that between said outer ring (221) and first ring (222) there remains a first ventilation interval (205) for supplementing the middle ring fire cap (24) with air;
the bottom plate (211) is provided with a first ventilation notch (2115) which is opposite to the first ventilation section (205) and is communicated with the first ventilation section (205).
6. The three-ring fire burner with stainless steel burner of claim 2, wherein a plurality of connecting plates (206) connecting the second annular portion (223) and the third annular portion (224) are arranged at intervals between the two annular portions;
a second gap (2241) which is communicated with the inner annular groove (203) and staggered with the connecting plate (206) is formed in the third annular part (224), and third connecting plates (2242) which are used for connecting the third annular part (224) and the second annular part (223) are arranged on two sides of the second gap (2241);
the upper seat (22) further comprises a third horizontal plate (2243) covering the second notch (2241), the third horizontal plate (2243) is respectively connected with the third annular part (224), the second annular part (223) and the third connection plate (2242), and the inner side of the third horizontal plate (2243) extends to the central annular part (225);
the inner air inlet hole (2113) is positioned below the third horizontal plate (2243).
7. Three-ring fire burner with stainless steel burner head according to claim 6, characterized in that between said third annular portion (224) and second annular portion (223) there is left a second venting zone (204) for air replenishment to the inner ring fire cap (25);
and a second ventilation notch (2114) which is opposite to the second ventilation area (204) and communicated with the second ventilation area (204) is arranged on the bottom plate (211).
8. The three-ring fire burner with stainless steel burner of claim 1, wherein the outer intake holes (2111) are located right behind the center of the bottom plate (211), the middle intake holes (2112) are located left behind the center of the bottom plate (211), and the inner intake holes (2113) are located front of the center of the bottom plate (211).
9. The three-ring fire burner with stainless steel burner according to any of the claims 1 to 8, characterized in that the burner (1) comprises a positioning plate (11), a first outlet duct (12) for connecting with the distributor (2) and delivering gas to the distributor (2), a second outlet duct (13) and a third outlet duct (14);
the first air outlet pipe (12) is communicated with the middle air inlet hole (2112), the second air outlet pipe (13) is communicated with the inner air inlet hole (2113), and the third air outlet pipe (14) is communicated with the outer air inlet hole (2111);
and the external air inlet hole (2111), the middle air inlet hole (2112) and the internal air inlet hole (2113) are respectively provided with a connecting pipe (207) extending downwards, and the first air outlet pipe (12), the second air outlet pipe (13) and the third air outlet pipe (14) are inserted into the corresponding connecting pipes (207).
10. The burner with stainless steel burner of claim 9, wherein the first outlet duct (12), the second outlet duct (13) and the third outlet duct (14) are arranged on the positioning plate (11) in a non-linear arrangement;
the first air outlet pipe (12), the second air outlet pipe (13) and the third air outlet pipe (14) are arranged at intervals from left to right in sequence;
the second air outlet pipe (13) is positioned at the front parts of the first air outlet pipe (12) and the third air outlet pipe (14);
the first air outlet pipe (12) is positioned at the front part or the rear part of the third air outlet pipe (14);
a first assembling hole (111) for installing an anti-dry heating probe (101) is formed in the positioning plate (11);
the centers of the bottom plate (211) and the inner ring fire cover (25) are respectively provided with a through hole (208) for preventing the dry-burning probe (101) from penetrating out upwards;
the first assembly hole (111) is positioned among the first air outlet pipe (12), the second air outlet pipe (13) and the third air outlet pipe (14);
a second assembly hole (112) for installing an ignition needle (102) and a third assembly hole (113) for installing a thermocouple (103) are formed in the positioning plate (11);
the second assembly hole (112) and the third assembly hole (113) are positioned among the first air outlet pipe (12), the second air outlet pipe (13) and the third air outlet pipe (14);
the first assembling hole (111) is positioned behind the second air outlet pipe (13), and the first assembling hole (111) is positioned in the front parts of the first air outlet pipe (12) and the third air outlet pipe (14);
the second assembly hole (112) and the third assembly hole (113) are positioned behind the first assembly hole (111), and the second assembly hole (112) is positioned on the left side of the third assembly hole (113);
the positioning plate (11) is provided with a first mounting hole (114), a second mounting hole (115) and a third mounting hole (116) corresponding to the first air outlet pipe (12), the second air outlet pipe (13) and the third air outlet pipe (14);
the first air outlet pipe (12) is arranged in the first mounting hole (114), the second air outlet pipe (13) is arranged in the second mounting hole (115), and the third air outlet pipe (14) is arranged in the third mounting hole (116);
the first mounting hole (114), the second mounting hole (115) and the third mounting hole (116) are respectively provided with an annular boss (117), and at least part of the first air outlet pipe (12), the second air outlet pipe (13) and the third air outlet pipe (14) is positioned at the inner side of the corresponding annular boss (117);
the connecting tube (207) rests on the respective annular boss (117);
the furnace end (1) comprises a first injection pipe (15), a second injection pipe (16) and a third injection pipe (17) which are all positioned below the positioning plate (11);
one end of the first injection pipe (15) is connected with the first air outlet pipe (12), one end of the second injection pipe (16) is connected with the second air outlet pipe (13), and one end of the third injection pipe (17) is connected with the third air outlet pipe (14);
a fixed bracket (18) is arranged at the bottom of the positioning plate (11);
the fixed support (18) comprises a base plate (181) positioned below the first injection pipe (15), the second injection pipe (16) and the third injection pipe (17) and vertical plates (182) which respectively extend upwards from the left end and the right end of the base plate (181) and are fixedly connected with the bottom surface of the positioning plate (11);
the first injection pipe (15), the second injection pipe (16) and the third injection pipe (17) are positioned between the vertical plates (182) at the left end and the right end of the base plate (181);
the first injection pipe (15), the second injection pipe (16) and the third injection pipe (17) are arranged at intervals from left to right in sequence;
the first injection pipe (15) and the first air outlet pipe (12) are of an integrated structure;
the second injection pipe (16) and the second air outlet pipe (13) are of an integral structure;
the third injection pipe (17) and the third air outlet pipe (14) are of an integral structure;
the first injection pipe (15), the first air outlet pipe (12), the second injection pipe (16), the second air outlet pipe (13), the third injection pipe (17) and the third air outlet pipe (14) are all manufactured by integrally forming stainless steel pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922500986.XU CN211316162U (en) | 2019-12-31 | 2019-12-31 | Three-ring fire burner with stainless steel furnace end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922500986.XU CN211316162U (en) | 2019-12-31 | 2019-12-31 | Three-ring fire burner with stainless steel furnace end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211316162U true CN211316162U (en) | 2020-08-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922500986.XU Expired - Fee Related CN211316162U (en) | 2019-12-31 | 2019-12-31 | Three-ring fire burner with stainless steel furnace end |
Country Status (1)
| Country | Link |
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| CN (1) | CN211316162U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111043597A (en) * | 2019-12-31 | 2020-04-21 | 中山市厨宝智能厨电有限公司 | Three-ring fire burner with stainless steel furnace end |
-
2019
- 2019-12-31 CN CN201922500986.XU patent/CN211316162U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111043597A (en) * | 2019-12-31 | 2020-04-21 | 中山市厨宝智能厨电有限公司 | Three-ring fire burner with stainless steel furnace end |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200821 |