CN213983555U - Central direct-injection type combustor - Google Patents
Central direct-injection type combustor Download PDFInfo
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- CN213983555U CN213983555U CN202022204983.4U CN202022204983U CN213983555U CN 213983555 U CN213983555 U CN 213983555U CN 202022204983 U CN202022204983 U CN 202022204983U CN 213983555 U CN213983555 U CN 213983555U
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Abstract
The utility model relates to the technical field of cooking utensils, in particular to center direct injection type combustor, including base, furnace end, outer ring fire gas input tube, inner ring fire gas input tube, outer ring fire gas inlet tube, inner ring fire gas inlet tube, outer ring fire gas groove, inner ring fire gas groove, the middle part that the furnace end is located inner ring fire gas groove is equipped with central through hole, the base is equipped with center direct injection gas nozzle corresponding to this central through hole position, the base still is equipped with center direct injection gas input tube, set up central through hole in the middle part of the inner ring fire gas groove of furnace end, and set up the center direct injection gas nozzle corresponding to this central through hole on the base, adopt the mode of center direct injection fire to carry out center afterburning to the combustor middle part, make the thermal efficiency of center afterburning higher; and the center direct-ignition gas nozzle is communicated with the outer ring ignition gas input pipe of the base, namely the gas start-stop control of the center direct-ignition gas nozzle is synchronous with the gas start-stop control of the outer ring ignition gas input pipe, and the gas injection valve is simple in structure and convenient and fast to operate.
Description
Technical Field
The utility model relates to a cooking utensils technical field, in particular to center direct injection formula combustor.
Background
At present, most of the existing household gas burners are atmospheric burners, also called partial premix burners; the working principle is as follows: the gas flows out from the nozzle at a certain flow rate under a certain pressure, enters the injection pipe, and attracts a certain amount of surrounding air under the injection action of the energy of the gas, wherein the air is called primary air. The primary air and the fuel gas are mixed in the injection pipe and the mixing cavity of the burner and then flow out through the fire holes to be combusted. Air is drawn from the surrounding of the flame to support combustion during the combustion process, and the air is called secondary air. However, in the prior art, the type of burner generally has only an outer ring fire and an inner ring fire, when a big fire is required, the gas of the outer ring fire and the gas of the inner ring fire are turned on, so that the outer ring fire and the inner ring fire are simultaneously combusted, and when a small fire is required, the gas of the outer ring fire is turned off, so that the inner ring fire is independently combusted. The two-ring fire type big and small fire adjusting mode leads to lower central thermal efficiency of the burner when big fire occurs, and is not beneficial to cooking of a pot. The prior art also mentions a central fire supplementing mode to solve the problem, but the burner is complex in structure and inconvenient to adjust, and the central part of the burner generates central fire supplementing combustion by firstly mixing gas and air and then arranging the fire hole of the fire cover, so that the central thermal efficiency of the conventional central fire supplementing mode is still low.
Disclosure of Invention
Aiming at the defects of the prior art, the central direct-injection type combustor is provided, wherein a central through hole is formed in the middle of an inner ring fire gas groove of a furnace end, a central direct-injection gas nozzle corresponding to the central through hole is arranged on a base, central fire compensation is performed on the middle of the combustor in a central direct-injection mode, and the thermal efficiency of the central fire compensation is high; and the center direct-ignition gas nozzle is communicated with the outer ring ignition gas input pipe of the base, namely the gas start-stop control of the center direct-ignition gas nozzle is synchronous with the gas start-stop control of the outer ring ignition gas input pipe, the structure is simple, and the operation is convenient.
In order to achieve the above object, the present invention provides the following technical solutions.
A central direct injection type burner comprises a base and a burner, wherein the burner is arranged above the base, the base is provided with an outer ring fire gas input pipe and an inner ring fire gas input pipe, the bottom of the burner is provided with an outer ring fire gas inlet pipe corresponding to the outer ring fire gas input pipe and an inner ring fire gas inlet pipe corresponding to the inner ring fire gas input pipe, the burner is internally provided with an outer ring fire gas groove communicated with the outer ring fire gas inlet pipe and an inner ring fire gas groove communicated with the inner ring fire gas inlet pipe, the middle part of the burner, which is positioned in the inner ring fire gas groove, is provided with a central through hole, the base is provided with a central direct injection fire gas nozzle corresponding to the central through hole, and is also provided with a central direct injection fire gas input pipe, one end of the central direct-ignition gas input pipe is communicated with the outer ring-ignition gas input pipe, and the other end of the central direct-ignition gas input pipe is communicated with the central direct-ignition gas nozzle.
Preferably, the central direct-flame-injection gas nozzle extends into the central through hole, and a central direct-flame-injection air inlet is formed between the central direct-flame-injection gas nozzle and the hole wall of the central through hole.
Further preferably, an inner ring fire cover is arranged on the inner ring fire gas groove of the burner, and a center direct fire injection hole matched with the center through hole is formed in the middle of the inner ring fire cover.
Preferably, the base is provided with an ignition needle and a thermocouple which extend between the outer ring fire gas groove and the inner ring fire gas groove, and the periphery of the inner ring fire cover is provided with an inner ring fire hole corresponding to the ignition needle and the thermocouple.
Preferably, an outer ring fire cover is arranged on the outer ring fire gas groove of the furnace end, and a plurality of outer ring fire holes are uniformly distributed on the outer ring fire cover.
Preferably, the bottom of the burner is provided with two outer ring fire gas inlet pipes which are arranged in parallel, and an outer ring fire gas guide groove matched with the two outer ring fire gas inlet pipes is formed in the outer ring fire gas groove.
Further preferably, the inner ring fire gas introducing pipe at the bottom of the furnace end is obliquely arranged.
Preferably, a primary air inlet is formed between the base and the burner, the central direct-firing air inlet is communicated with the primary air inlet, a secondary air inlet is formed in the periphery of the burner, and an annular groove formed between the outer annular-firing gas groove and the inner annular-firing gas groove is communicated with the secondary air inlet.
Preferably, the outer ring fire gas input pipe of the base is provided with an outer ring fire gas nozzle corresponding to the outer ring fire gas introduction pipe, the inner ring fire gas input pipe of the base is provided with an inner ring fire gas nozzle corresponding to the inner ring fire gas introduction pipe, and air inlet gaps communicated with the primary air inlet are formed between the outer ring fire gas nozzle and the outer ring fire gas introduction pipe and between the inner ring fire gas nozzle and the inner ring fire gas introduction pipe.
Compared with the prior art, the utility model discloses beneficial effect does: the utility model discloses set up the central through hole in the middle part of the inner ring fire gas groove of furnace end, and set up the center direct flame projecting gas nozzle corresponding to this central through hole on the base, adopt the mode of the direct flame projecting of center to carry on the central fire compensation to the middle part of the burner, make the thermal efficiency of the central fire compensation higher; and this center directly spouts fiery gas nozzle and base outer ring fire gas input tube intercommunication, and this center directly spouts fiery gas nozzle's gas start-stop control and outer ring fire gas input tube's gas start-stop control phase synchronization promptly, makes the gas through center directly spout fiery gas input tube, spouts in the central through-hole by center directly spouts fiery gas nozzle, its simple structure, the simple operation.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is an exploded schematic view of a first embodiment of the present invention.
Fig. 3 is a cross-sectional view of a first embodiment of the present invention.
Fig. 4 is a schematic structural view of the base of the present invention after being turned over.
Fig. 5 is a schematic structural view of a furnace head after being turned over in the first embodiment of the present invention.
Fig. 6 is a schematic structural view of the furnace head after being turned over in the second embodiment of the present invention.
Reference numerals
1. A base, 2, a furnace end, 3, an outer ring fire gas input pipe, 4, an inner ring fire gas input pipe,
5. a central ring fire gas input pipe, 6 an outer ring fire gas inlet pipe, 7 an inner ring fire gas inlet pipe,
8. an outer ring fire combustion groove, 9, an inner ring fire combustion gas groove, 10, a center direct fire combustion gas nozzle,
11. the central through hole, 12, a central direct fire injection air inlet, 13, an inner ring fire cover, 14, a central direct fire hole, 15, an inner ring fire hole, 16, an outer ring fire cover, 17, an outer ring fire hole, 18, an outer ring fire gas guide groove, 19, a primary air inlet, 20, a secondary air inlet, 21, an outer ring fire gas nozzle, 22 and an inner ring fire gas nozzle.
Detailed Description
The technical solution of the present invention will be further elaborated with reference to the drawings and the embodiments.
Embodiment one, as shown in fig. 1 to 5, a central direct injection burner comprises a base 1 and a burner 2, the burner 2 is disposed above the base 1, the base 1 is provided with an outer ring fire gas input pipe 3 and an inner ring fire gas input pipe 4, the bottom of the burner 2 is provided with an outer ring fire gas input pipe 6 corresponding to the outer ring fire gas input pipe 3 and an inner ring fire gas input pipe 7 corresponding to the inner ring fire gas input pipe 4, the burner 2 is provided with an outer ring fire gas groove 8 communicated with the outer ring fire gas input pipe 6 and an inner ring fire gas groove 9 communicated with the inner ring fire gas input pipe 7, the burner 2 is provided with a central through hole 11 at the middle part of the inner ring fire gas groove 9, the base 1 is provided with a central direct injection gas nozzle 10 corresponding to the central through hole 11, the base 1 is further provided with a central direct injection gas input pipe 5, one end of the central direct injection gas input pipe 5 is communicated with the outer ring fire gas input pipe 3, the other end of the central direct-flaming gas input pipe 5 is communicated with the central direct-flaming gas nozzle 10, a central through hole 11 is formed in the middle of an inner ring flame gas groove 9 of the burner 2, the central direct-flaming gas nozzle 10 corresponding to the central through hole 11 is arranged on the base 1, and central fire compensation is performed on the middle of the burner in a central direct-flaming mode, so that the thermal efficiency of the central fire compensation is high; and this center directly spouts fiery gas nozzle 10 and base 1 outer ring fire gas input tube 3 intercommunication, and the gas of this center directly spouts fiery gas nozzle 10 is opened and close the control with the gas of outer ring fire gas input tube 3 and is controlled synchronous mutually promptly, makes the gas through center directly spout fiery gas input tube 5, by center directly spout fiery gas nozzle 10 spout in central through-hole 11, its simple structure, the simple operation.
In this embodiment, the center direct-flame-injection gas nozzle 10 extends into the center through hole 11, a center direct-flame-injection air inlet 12 is formed between the center direct-flame-injection gas nozzle 10 and the hole wall of the center through hole 11, and air is introduced through the center direct-flame-injection air inlet 12 and mixed with the gas in the center through hole 11, so that the gas in the center through hole 11 is sufficiently combusted.
In this embodiment, be equipped with inner ring fire lid 13 on the inner ring fire gas tank 9 of furnace end 2, the middle part of this inner ring fire lid 13 be equipped with central through-hole 11 assorted center directly spouts fire hole 14, inner ring fire lid 13 directly spouts fire hole 14 integrated into one piece setting with the center, enables inner ring fire and central ring fire and spouts fire from inner ring fire lid 13 simultaneously, and simple structure is reasonable.
In this embodiment, the base 1 is provided with an ignition needle and a thermocouple which extend between the outer ring fire gas groove 8 and the inner ring fire gas groove 9, an inner ring fire hole 15 corresponding to the ignition needle and the thermocouple is formed in the periphery of the inner ring fire cover 13, the ignition needle and the thermocouple are arranged corresponding to the inner ring fire cover 13, the ignition needle and the thermocouple are connected conveniently, the inner ring fire gas can be directly ignited, and the gas can be sprayed out from the inner ring fire hole 5 after being ignited by the ignition needle.
In the second embodiment, as shown in fig. 6, an outer ring fire cover 16 is disposed on an outer ring fire gas groove 8 of the burner 2, a plurality of outer ring fire holes 17 are uniformly distributed on the outer ring fire cover 16, two outer ring fire gas introducing pipes 6 are disposed at the bottom of the burner 2, the two outer ring fire gas introducing pipes 6 are arranged in an anti-parallel manner, an outer ring fire gas guide groove 18 matched with the two outer ring fire gas introducing pipes 6 is formed in the outer ring fire gas groove 8, the outer ring fire gas guide groove 18 is matched with the outer ring fire cover 16, and the outer ring fire gas guide groove 18 uniformly disperses gas from the inner part of the outer ring fire gas introducing pipe 6 into the plurality of outer ring fires.
The difference between this embodiment and the first embodiment is that only the outer ring fire is provided, the inner ring fire does not have the center ring fire, the inner ring fire gas introducing pipe 7 at the bottom of the burner 2 is obliquely arranged, the inner ring fire gas groove 9 is in a circular groove structure, a concave cavity is formed between the bottom end of the inner ring fire gas groove 9 and the base 1, and the inner ring fire gas introducing pipe 7 is obliquely arranged in the concave cavity and is opposite to the inner ring fire gas introducing pipe 7 of the first embodiment.
In this embodiment, a primary air inlet 19 is formed between the base 1 and the burner 2, the central direct-flaming air inlet 12 is communicated with the primary air inlet 19, a secondary air inlet 20 is formed at the periphery of the burner 2, an annular groove formed between the outer ring flame gas groove 8 and the inner ring flame gas groove 9 is communicated with the secondary air inlet 20, and the primary air inlet 19 facilitates air to enter the inner ring flame gas groove 9 and the central through hole 11 to be fully mixed with gas, so that the gas in the central through hole 11 and the inner ring flame gas groove 9 is completely combusted.
In this embodiment, the outer ring fire gas input pipe 3 of the base 1 is provided with an outer ring fire gas nozzle 21 corresponding to the outer ring fire gas introduction pipe 6, the inner ring fire gas input pipe 4 of the base 1 is provided with an inner ring fire gas nozzle 22 corresponding to the inner ring fire gas introduction pipe 7, air inlet gaps communicated with the primary air inlet 19 are formed between the outer ring fire gas nozzle 21 and the outer ring fire gas introduction pipe 6 and between the inner ring fire gas nozzle 22 and the inner ring fire gas introduction pipe 7, and air and gas can be further sufficiently mixed through the air inlet gaps.
The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.
Claims (9)
1. The utility model provides a central direct injection formula combustor, including base (1) and furnace end (2), furnace end (2) set up in base (1) top, base (1) is equipped with outer ring fire gas input tube (3) and inner ring fire gas input tube (4), furnace end (2) bottom is equipped with outer ring fire gas input tube (3) that corresponds outer ring fire gas input tube (6) and inner ring fire gas inlet tube (7) that correspond with inner ring fire gas input tube (4), be equipped with in furnace end (2) outer ring fire gas groove (8) that communicate with outer ring fire gas inlet tube (6) and inner ring fire gas groove (9) that communicate with inner ring fire gas inlet tube (7), its characterized in that: the middle part that furnace end (2) are located inner ring fire gas tank (9) is equipped with central through hole (11), and base (1) is equipped with center direct flame injection gas nozzle (10) corresponding to the position of this central through hole (11), and base (1) still is equipped with center direct flame injection gas input tube (5), and this center direct flame injection gas input tube (5) one end and outer ring fire gas input tube (3) intercommunication, this center direct flame injection gas input tube (5) other end with center direct flame injection gas nozzle (10) intercommunication.
2. The central direct injection combustor according to claim 1, wherein: the center directly spouts fire gas nozzle (10) and stretches into in central through-hole (11), center directly spout fire gas nozzle (10) with be formed with center directly between the pore wall of central through-hole (11) and spout fire air intake (12).
3. The central direct injection combustor according to claim 1, wherein: the inner ring fire gas groove (9) of the burner (2) is provided with an inner ring fire cover (13), and the middle part of the inner ring fire cover (13) is provided with a center direct fire injection hole (14) matched with the center through hole (11).
4. The central direct injection combustor according to claim 3, wherein: the base (1) is provided with an ignition needle and a thermocouple which extend into a space between the outer ring fire gas groove (8) and the inner ring fire gas groove (9), and the periphery of the inner ring fire cover (13) is provided with an inner ring fire hole (15) corresponding to the ignition needle and the thermocouple.
5. The central direct injection combustor according to claim 1, wherein: an outer ring fire cover (16) is arranged on an outer ring fire gas groove (8) of the furnace end (2), and a plurality of outer ring fire holes (17) are uniformly distributed on the outer ring fire cover (16).
6. The central direct injection combustor according to claim 1, wherein: the gas stove is characterized in that two outer ring fire gas introducing pipes (6) are arranged at the bottom of the stove head (2), the two outer ring fire gas introducing pipes (6) are arranged in an anti-parallel mode, and outer ring fire gas guide grooves (18) matched with the two outer ring fire gas introducing pipes (6) are formed in the outer ring fire gas grooves (8).
7. The central direct injection combustor according to claim 6, wherein: the inner ring fire gas introducing pipe (7) at the bottom of the furnace end (2) is obliquely arranged.
8. The central direct injection combustor according to claim 2, wherein: a primary air inlet (19) is formed between the base (1) and the furnace end (2), the central direct-flaming air inlet (12) is communicated with the primary air inlet (19), a secondary air inlet (20) is formed in the periphery of the furnace end (2), and an annular groove formed between the outer ring fire gas groove (8) and the inner ring fire gas groove (9) is communicated with the secondary air inlet (20).
9. The central direct injection combustor according to claim 8, wherein: the base is characterized in that an outer ring fire gas input pipe (3) of the base (1) is provided with an outer ring fire gas nozzle (21) corresponding to the outer ring fire gas introduction pipe (6), an inner ring fire gas input pipe (4) of the base (1) is provided with an inner ring fire gas nozzle (22) corresponding to the inner ring fire gas introduction pipe (7), and air inlet gaps communicated with the primary air inlet (19) are formed between the outer ring fire gas nozzle (21) and the outer ring fire gas introduction pipe (6) and between the inner ring fire gas nozzle (22) and the inner ring fire gas introduction pipe (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022204983.4U CN213983555U (en) | 2020-09-30 | 2020-09-30 | Central direct-injection type combustor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022204983.4U CN213983555U (en) | 2020-09-30 | 2020-09-30 | Central direct-injection type combustor |
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| Publication Number | Publication Date |
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| CN213983555U true CN213983555U (en) | 2021-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022204983.4U Active CN213983555U (en) | 2020-09-30 | 2020-09-30 | Central direct-injection type combustor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117433018A (en) * | 2023-12-21 | 2024-01-23 | 佛山市宇煜五金有限公司 | Three-ring direct-injection burner |
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2020
- 2020-09-30 CN CN202022204983.4U patent/CN213983555U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117433018A (en) * | 2023-12-21 | 2024-01-23 | 佛山市宇煜五金有限公司 | Three-ring direct-injection burner |
| CN117433018B (en) * | 2023-12-21 | 2024-04-05 | 佛山市宇煜五金有限公司 | Three-ring direct-injection burner |
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