CN216521655U - Annular fire cover for furnace end and furnace end with same - Google Patents
Annular fire cover for furnace end and furnace end with same Download PDFInfo
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- CN216521655U CN216521655U CN202123180355.8U CN202123180355U CN216521655U CN 216521655 U CN216521655 U CN 216521655U CN 202123180355 U CN202123180355 U CN 202123180355U CN 216521655 U CN216521655 U CN 216521655U
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Abstract
The utility model relates to an annular fire cover for a furnace end and the furnace end with the annular fire cover, comprising an annular cover body, wherein the annular cover body is provided with an annular gas groove matched with a furnace end base; the annular gas groove is characterized in that a plurality of gas outlet holes and a plurality of gas outlet pipes radiating outwards are respectively arranged on the outer wall of the annular gas groove along the circumferential direction, and the gas inlet and the gas outlet of each gas outlet pipe are both positioned below the gas outlet holes. Its advantage does: the burner fire hole can not be blocked, the combustion efficiency is high, the combustion is sufficient, the combustion oxygen supply is sufficient, the carbon monoxide emission is reduced, the oil dirt blockage and after-sale service are reduced, the labor cost is reduced, the carbon monoxide emission is reduced by about thirty percent compared with the national standard requirement of a household gas cooker, and the thermal efficiency exceeds about ten percent of the primary energy efficiency of the cooker energy efficiency limit value.
Description
Technical Field
The utility model relates to an annular fire cover for a furnace end and the furnace end with the annular fire cover.
Background
At present, after a cooking bench is used for a long time, a fire outlet of a furnace end is blocked by oil stains or other objects, and the furnace end is not easy to clean, so that the gas outlet of the furnace end is blocked, the combustion efficiency is low, and the combustion is not uniform; in addition, because of insufficient oxygen supply during combustion, the emission of carbon monoxide is increased, and the use is unsafe.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide the annular fire cover for the furnace end and the furnace end with the fire cover, the fire hole of the furnace end is not blocked, the combustion efficiency is high, the combustion is sufficient, the combustion oxygen supply is sufficient, the carbon monoxide emission is reduced, the oil dirt blockage and after-sale service are reduced, the labor cost is reduced, the carbon monoxide emission is reduced by about thirty percent compared with the national standard requirement of a household gas cooker, and the thermal efficiency exceeds the energy efficiency limit value of the cooker by about ten percent of one level.
In order to achieve the aim, the utility model is realized in such a way that the annular fire cover for the furnace end comprises an annular cover body, wherein an annular gas groove matched with a furnace end base is arranged on the annular cover body; the annular gas groove is provided with a plurality of gas outlet holes and a plurality of gas outlet pipes radiating outwards along the circumferential direction, the annular gas groove is communicated with the outside through the gas outlet holes and the gas outlet pipes, and the gas inlet and the gas outlet of the gas outlet pipes are both positioned below the gas outlet holes.
In the technical scheme, the air outlet pipe is positioned between two adjacent air outlet holes, and a gap is formed between the two adjacent air outlet pipes.
In the technical scheme, the outer side of the top of the annular cover body is provided with an annular outer edge protruding outwards, and the annular outer edge is positioned above the air outlet hole.
In the technical scheme, the included angle between the air outlet pipe and the outer wall of the annular cover body is a, and the range of the included angle a is 75-150 degrees.
In the technical scheme, the vertical distance between the air inlet and the air outlet is d, and the distance range of d is 2-13 mm.
In the technical scheme, the horizontal length of the outward extension of the air outlet pipe is L, and the length range of the L is 2-20 mm.
In the technical scheme, the inner wall of the annular air groove is inclined inwards from bottom to top to form an air guide surface.
The technical scheme also provides a furnace end with the fire cover, which comprises an outer ring fire ejecting pipe, a central fire ejecting pipe, an outer ring fire gas mixing cavity, a base, an outer ring fire annular gas outlet groove, a central fire gas mixing cavity, a central fire hole and a central fire cover; the outer ring fire ejecting pipe, the central fire ejecting pipe, the outer ring fire mixing air cavity, the outer ring fire annular air outlet groove, the central fire mixing air cavity and the central fire hole are respectively arranged on the base; the gas outlet of the outer ring fire ejecting pipe is communicated with the outer ring fire mixing gas cavity, the outer ring fire mixing gas cavity is communicated with the outer ring fire annular gas outlet groove, the gas inlet of the central fire ejecting pipe is communicated with the outside, the gas outlet of the central fire ejecting pipe is communicated with the central fire mixing gas cavity, the central fire mixing gas cavity is communicated with the central fire hole, and the central fire cover is covered at the gas outlet of the central fire hole; the annular fire cover is characterized in that the annular fire cover is matched with the annular gas outlet groove of the outer fire ring, and the annular gas outlet groove is covered on and communicated with the annular gas outlet groove of the outer fire ring; the horizontal length of the central fire injection pipe is E, and the length range of the E is 30-140 mm.
Compared with the prior art, the utility model has the advantages that: the burner fire hole can not be blocked, the combustion efficiency is high, the combustion is sufficient, the combustion oxygen supply is sufficient, the carbon monoxide emission is reduced, the oil dirt blockage and after-sale service are reduced, the labor cost is reduced, the carbon monoxide emission is reduced by about thirty percent compared with the national standard requirement of a household gas cooker, and the thermal efficiency exceeds the energy efficiency limit value of the cooker by about ten percent of one-level energy efficiency.
Drawings
Fig. 1 is a perspective view of an annular fire cover for a burner according to a first embodiment of the present invention;
FIG. 2 is a bottom view of FIG. 1;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a perspective view of the rear view of FIG. 1;
FIG. 5 is a perspective view of the burner head of the present invention with the fire cover;
FIG. 6 is a front view of FIG. 5;
FIG. 7 is a cross-sectional view B-B of FIG. 6;
FIG. 8 is a cross-sectional view C-C of FIG. 7;
FIG. 9 is a perspective view of another burner head with the fire cover of the present invention;
FIG. 10 is a perspective view of an annular fire cover for a second burner of the present invention;
FIG. 11 is a front view of FIG. 10;
FIG. 12 is a cross-sectional view D-D of FIG. 11;
FIG. 13 is a perspective view of an annular fire cover for a three burner head in accordance with an embodiment of the present invention;
FIG. 14 is a bottom view of FIG. 13;
FIG. 15 is a cross-sectional view E-E of FIG. 14;
fig. 16 is a perspective view of an annular fire cover for a three burner of an embodiment of the present invention;
FIG. 17 is a bottom view of FIG. 13;
fig. 18 is a sectional view F-F of fig. 17.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
In the description of the present invention, the terms "upper" and "lower" and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention but do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, the terms "disposed" and the like are to be understood in a broad sense, and for example, may be fixedly connected, detachably connected, or detachably disposed or integrated; the two components can be connected mechanically, directly or indirectly through an intermediate medium, so that the two components can be communicated with each other or the two components can be in an interaction relationship, and the specific meaning of the terms in the utility model can be understood according to specific situations by a person skilled in the art.
Example one
As shown in fig. 1 and 9, the annular fire cover for the burner comprises an annular cover body 1, wherein an annular gas groove 5 matched with a burner base is arranged on the annular cover body 1; a plurality of air outlet holes 3 and a plurality of air outlet pipes 4 radiating outwards are respectively and uniformly arranged on the outer wall of the annular air groove 5 along the circumferential direction, and an air inlet 41 and an air outlet 42 of each air outlet pipe 4 are both positioned below the air outlet holes 3.
In this embodiment, the angle between the outlet pipe 4 and the outer wall of the annular cover 1 is a, and the angle a is preferably 110 °. The included angle a ranges from 75 degrees to 150 degrees, the angle of a is 75 degrees, 80 degrees, 85 degrees, 90 degrees, 95 degrees, 100 degrees, 105 degrees, 110 degrees, 115 degrees, 120 degrees, 125 degrees, 130 degrees, 135 degrees, 140 degrees, 145 degrees and 150 degrees, and the included angle a is any one value from 90 degrees to 150 degrees.
When the annular gas groove burner is used, the gas outlet holes 3 and the gas outlet pipe 4 are arranged on the outer wall of the annular gas groove 5, gas in the annular gas groove 5 is sprayed outwards through the gas outlet holes 3 and the gas outlet pipe 4 respectively and is combusted, the gas inlet 41 and the gas outlet 42 of the gas outlet pipe 4 are not easily blocked, the combustion efficiency is improved, and the heat efficiency exceeds the energy efficiency limit value of a cooker by about ten percent of one level; the combustion oxygen supply is sufficient, the carbon monoxide emission is reduced, and the carbon monoxide emission is reduced by about thirty percent compared with the national standard requirement of the household gas cooker.
In this embodiment, the air outlet pipe 4 is located between two adjacent air outlet holes 3, and a gap is formed between two adjacent air outlet pipes 4. The air supplies oxygen to the air outlet holes 3 through the gaps of the air outlet pipe 4, so that the combustion efficiency is improved, the combustion is sufficient, and the emission of carbon monoxide is reduced.
In the embodiment, an annular outer edge 2 protruding outwards is arranged on the outer side of the top of the annular cover body 1, and the annular outer edge 2 is positioned above the air outlet hole 3.
In the present embodiment, the vertical distance between the air inlet 41 and the air outlet 3 is d, and the distance of d is in the range of 2-13 mm; the vertical distance of d can be any one of 2mm, 4mm, 6mm, 8mm, 10mm and 13mm according to practical conditions.
In this embodiment, the horizontal length of the outward extension of the outlet pipe 4 is L, and the length range of L is 2-20 mm; the horizontal length of L may be any one of 2mm, 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm and 20mm according to practical conditions.
In this embodiment, the inner wall of the annular gas groove 5 is inclined inward from bottom to top to form a gas guiding surface 51, and the gas is better guided into the gas outlet hole 3 and the gas outlet pipe 4 through the gas guiding surface 51.
The utility model also provides a burner with the annular fire cover, which comprises an outer ring fire ejecting pipe 6, a central fire ejecting pipe 7, an outer ring fire gas mixing cavity 8, a base 9, an outer ring fire annular gas outlet groove 10, a central fire gas mixing cavity 11, a central fire hole 12 and a central fire cover 13; the outer ring fire ejecting pipe 6, the central fire ejecting pipe 7, the outer ring fire gas mixing cavity 8, the outer ring fire annular gas outlet groove 10, the central fire gas mixing cavity 11 and the central fire hole 12 are respectively arranged on the base 9; the gas inlet of the outer ring fire ejecting pipe 6 is communicated with external gas, the gas outlet of the outer ring fire ejecting pipe 6 is communicated with the outer ring fire mixed gas cavity 8, the outer ring fire mixed gas cavity 8 is communicated with the outer ring fire annular gas outlet groove 10, the gas inlet of the central fire ejecting pipe 7 is communicated with the outside, the gas outlet of the central fire ejecting pipe 7 is communicated with the central fire mixed gas cavity 11, the central fire mixed gas cavity 11 is communicated with the central fire hole 12, and the central fire cover 13 covers the gas outlet of the central fire hole 12; the annular fire cover is matched with the annular outer fire outlet groove 10, and the annular gas groove 5 covers the annular outer fire outlet groove 10 and is communicated with the annular outer fire outlet groove to form an annular gas passage; the horizontal length of the central fire injection pipe 7 is E, and the length range of E is 30-140 mm; the horizontal length of E may be any one of 30mm, 40mm, 50mm, 60mm, 70mm, 80mm, 90mm, 100mm, 110mm, 120mm, 130mm or 140mm, as the case may be.
Example two
As shown in fig. 10 and 12, the annular fire cover for the burner comprises an annular cover body 1, wherein an annular gas groove 5 matched with a burner base is arranged on the annular cover body 1; a plurality of air outlet holes 3 and a plurality of air outlet pipes 4 radiating outwards are respectively and uniformly arranged on the outer wall of the annular air groove 5 along the circumferential direction, and an air inlet 41 and an air outlet 42 of each air outlet pipe 4 are both positioned below the air outlet holes 3.
In this embodiment, the angle between the outlet pipe 4 and the outer wall of the annular cover 1 is a, and the angle a is preferably 105 °. The range of the included angle a is 75 degrees to 150 degrees, and according to the actual situation, the angle of the angle a can also be any one of values of 75 degrees, 80 degrees, 85 degrees, 90 degrees, 95 degrees, 100 degrees, 105 degrees, 110 degrees, 115 degrees, 120 degrees, 125 degrees, 130 degrees, 135 degrees, 140 degrees, 145 degrees and 150 degrees.
When the annular gas groove burner is used, the gas outlet holes 3 and the gas outlet pipe 4 are arranged on the outer wall of the annular gas groove 5, gas in the annular gas groove 5 is sprayed outwards through the gas outlet holes 3 and the gas outlet pipe 4 respectively and is combusted, the gas inlet 41 and the gas outlet 42 of the gas outlet pipe 4 are not easily blocked, the combustion efficiency is improved, and the heat efficiency exceeds the energy efficiency limit value of a cooker by about ten percent of one level; the combustion oxygen supply is sufficient, the carbon monoxide emission is reduced, and the carbon monoxide emission is reduced by about thirty percent compared with the national standard requirement of the household gas cooker.
In this embodiment, the air outlet pipe 4 is located between two adjacent air outlet holes 3, and a gap is formed between two adjacent air outlet pipes 4. The air supplies oxygen to the air outlet holes 3 through the gaps of the air outlet pipe 4, so that the combustion efficiency is improved, the combustion is sufficient, and the emission of carbon monoxide is reduced.
In the embodiment, an annular outer edge 2 protruding outwards is arranged on the outer side of the top of the annular cover body 1, and the annular outer edge 2 is positioned above the air outlet hole 3.
In the present embodiment, the vertical distance between the air inlet 41 and the air outlet 3 is d, and the distance of d is in the range of 2-13 mm; the vertical distance of d can be any one of 2mm, 4mm, 6mm, 8mm, 10mm and 13mm according to practical conditions.
In this embodiment, the horizontal length of the outward extension of the outlet pipe 4 is L, and the length range of L is 2-20 mm; the horizontal length of L may be any one of 2mm, 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm and 20mm according to practical conditions.
In this embodiment, the inner wall of the annular gas groove 5 is inclined inward from bottom to top to form a gas guiding surface 51, and the gas is better guided into the gas outlet hole 3 and the gas outlet pipe 4 through the gas guiding surface 51.
The utility model also provides a burner with the annular fire cover, which comprises an outer ring fire ejecting pipe 6, a central fire ejecting pipe 7, an outer ring fire gas mixing cavity 8, a base 9, an outer ring fire annular gas outlet groove 10, a central fire gas mixing cavity 11, a central fire hole 12 and a central fire cover 13; the outer ring fire ejecting pipe 6, the central fire ejecting pipe 7, the outer ring fire gas mixing cavity 8, the outer ring fire annular gas outlet groove 10, the central fire gas mixing cavity 11 and the central fire hole 12 are respectively arranged on the base 9; the gas inlet of the outer ring fire ejecting pipe 6 is communicated with external gas, the gas outlet of the outer ring fire ejecting pipe 6 is communicated with the outer ring fire mixed gas cavity 8, the outer ring fire mixed gas cavity 8 is communicated with the outer ring fire annular gas outlet groove 10, the gas inlet of the central fire ejecting pipe 7 is communicated with the outside, the gas outlet of the central fire ejecting pipe 7 is communicated with the central fire mixed gas cavity 11, the central fire mixed gas cavity 11 is communicated with the central fire hole 12, and the central fire cover 13 covers the gas outlet of the central fire hole 12; the annular fire cover is matched with the annular outer fire outlet groove 10, and the annular gas groove 5 covers the annular outer fire outlet groove 10 and is communicated with the annular outer fire outlet groove to form an annular gas passage; the horizontal length of the central fire injection pipe 7 is E, and the length range of E is 30-140 mm; the horizontal length of E may be any one of 30mm, 40mm, 50mm, 60mm, 70mm, 80mm, 90mm, 100mm, 110mm, 120mm, 130mm or 140mm, as the case may be.
EXAMPLE III
As shown in fig. 13 and 15, the annular fire cover for the burner comprises an annular cover body 1, wherein an annular gas groove 5 matched with a burner base is arranged on the annular cover body 1; a plurality of air outlet holes 3 and a plurality of air outlet pipes 4 radiating outwards are respectively and uniformly arranged on the outer wall of the annular air groove 5 along the circumferential direction, and an air inlet 41 and an air outlet 42 of each air outlet pipe 4 are both positioned below the air outlet holes 3.
In this embodiment, the angle between the outlet pipe 4 and the outer wall of the annular cover 1 is a, and the angle a is preferably 90 °. The included angle a ranges from 75 ° to 150 °; according to practical situations, the angle of a can be any one of 75 °, 80 °, 85 °, 90 °, 95 °, 100 °, 105 °, 110 °, 115 °, 120 °, 125 °, 130 °, 135 °, 140 °, 145 ° and 150 °.
When the annular gas groove burner is used, the gas outlet holes 3 and the gas outlet pipe 4 are arranged on the outer wall of the annular gas groove 5, gas in the annular gas groove 5 is sprayed outwards through the gas outlet holes 3 and the gas outlet pipe 4 respectively and is combusted, the gas inlet 41 and the gas outlet 42 of the gas outlet pipe 4 are not easily blocked, the combustion efficiency is improved, and the heat efficiency exceeds the energy efficiency limit value of a cooker by about ten percent of one level; the combustion oxygen supply is sufficient, the carbon monoxide emission is reduced, and the carbon monoxide emission is reduced by about thirty percent compared with the national standard requirement of the household gas cooker.
In this embodiment, the air outlet pipe 4 is located between two adjacent air outlet holes 3, and a gap is formed between two adjacent air outlet pipes 4. The air supplies oxygen to the air outlet holes 3 through the gaps of the air outlet pipe 4, so that the combustion efficiency is improved, the combustion is sufficient, and the emission of carbon monoxide is reduced.
In the embodiment, an annular outer edge 2 protruding outwards is arranged on the outer side of the top of the annular cover body 1, and the annular outer edge 2 is positioned above the air outlet hole 3.
In the present embodiment, the vertical distance between the air inlet 41 and the air outlet 3 is d, and the distance of d is in the range of 2-13 mm; according to practical conditions, the vertical distance of d can be 2mm, 4mm, 6mm, 8mm, 10mm and 13mm, and the distance of d can be any value in the range of 2-13 mm.
In this embodiment, the horizontal length of the outward extension of the outlet pipe 4 is L, and the length range of L is 2-20 mm; the horizontal length of L may be any one of 2mm, 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm and 20mm according to practical conditions.
In this embodiment, the inner wall of the annular gas groove 5 is inclined inward from bottom to top to form a gas guiding surface 51, and the gas is better guided into the gas outlet hole 3 and the gas outlet pipe 4 through the gas guiding surface 51.
The utility model also provides a burner with the annular fire cover, which comprises an outer ring fire ejecting pipe 6, a central fire ejecting pipe 7, an outer ring fire gas mixing cavity 8, a base 9, an outer ring fire annular gas outlet groove 10, a central fire gas mixing cavity 11, a central fire hole 12 and a central fire cover 13; the outer ring fire ejecting pipe 6, the central fire ejecting pipe 7, the outer ring fire gas mixing cavity 8, the outer ring fire annular gas outlet groove 10, the central fire gas mixing cavity 11 and the central fire hole 12 are respectively arranged on the base 9; the gas inlet of the outer ring fire ejecting pipe 6 is communicated with external gas, the gas outlet of the outer ring fire ejecting pipe 6 is communicated with the outer ring fire mixed gas cavity 8, the outer ring fire mixed gas cavity 8 is communicated with the outer ring fire annular gas outlet groove 10, the gas inlet of the central fire ejecting pipe 7 is communicated with the outside, the gas outlet of the central fire ejecting pipe 7 is communicated with the central fire mixed gas cavity 11, the central fire mixed gas cavity 11 is communicated with the central fire hole 12, and the central fire cover 13 covers the gas outlet of the central fire hole 12; the annular fire cover is matched with the annular outer fire outlet groove 10, and the annular gas groove 5 covers the annular outer fire outlet groove 10 and is communicated with the annular outer fire outlet groove to form an annular gas passage; the horizontal length of the central fire injection pipe 7 is E, and the length range of E is 30-140 mm; the horizontal length of E may be any one of 30mm, 40mm, 50mm, 60mm, 70mm, 80mm, 90mm, 100mm, 110mm, 120mm, 130mm or 140mm, as the case may be.
Example four
As shown in fig. 16 and 18, the annular fire cover for the burner comprises an annular cover body 1, wherein an annular gas groove 5 matched with a burner base is arranged on the annular cover body 1; a plurality of air outlet holes 3 and a plurality of air outlet pipes 4 radiating outwards are respectively and uniformly arranged on the outer wall of the annular air groove 5 along the circumferential direction, and an air inlet 41 and an air outlet 42 of each air outlet pipe 4 are both positioned below the air outlet holes 3.
In this embodiment, the angle between the outlet pipe 4 and the outer wall of the annular cover 1 is a, and the angle a is preferably 85 °. The included angle a ranges from 75 ° to 150 °; according to the practical situation, the angle of a is any one of 75 degrees, 80 degrees, 85 degrees, 90 degrees, 95 degrees, 100 degrees, 105 degrees, 110 degrees, 115 degrees, 120 degrees, 125 degrees, 130 degrees, 135 degrees, 140 degrees, 145 degrees and 150 degrees.
When the annular gas groove burner is used, the gas outlet holes 3 and the gas outlet pipe 4 are arranged on the outer wall of the annular gas groove 5, gas in the annular gas groove 5 is sprayed outwards through the gas outlet holes 3 and the gas outlet pipe 4 respectively and is combusted, the gas inlet 41 and the gas outlet 42 of the gas outlet pipe 4 are not easily blocked, the combustion efficiency is improved, and the heat efficiency exceeds the energy efficiency limit value of a cooker by about ten percent of one level; the combustion oxygen supply is sufficient, the carbon monoxide emission is reduced, and the carbon monoxide emission is reduced by about thirty percent compared with the national standard requirement of the household gas cooker.
In this embodiment, the air outlet pipe 4 is located between two adjacent air outlet holes 3, and a gap is formed between two adjacent air outlet pipes 4. The air supplies oxygen to the air outlet holes 3 through the gaps of the air outlet pipe 4, so that the combustion efficiency is improved, the combustion is sufficient, and the emission of carbon monoxide is reduced.
In the embodiment, an annular outer edge 2 protruding outwards is arranged on the outer side of the top of the annular cover body 1, and the annular outer edge 2 is positioned above the air outlet hole 3.
In the present embodiment, the vertical distance between the air inlet 41 and the air outlet 3 is d, and the distance of d is in the range of 2-13 mm; the vertical distance of d can be any one of 2mm, 4mm, 6mm, 8mm, 10mm and 13mm according to practical conditions.
In this embodiment, the horizontal length of the outward extension of the outlet pipe 4 is L, and the length range of L is 2-20 mm; the horizontal length of L may be any one of 2mm, 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm and 20mm according to practical conditions.
In this embodiment, the inner wall of the annular gas groove 5 is inclined inward from bottom to top to form a gas guiding surface 51, and the gas is better guided into the gas outlet hole 3 and the gas outlet pipe 4 through the gas guiding surface 51.
The utility model also provides a burner with the annular fire cover, which comprises an outer ring fire ejecting pipe 6, a central fire ejecting pipe 7, an outer ring fire gas mixing cavity 8, a base 9, an outer ring fire annular gas outlet groove 10, a central fire gas mixing cavity 11, a central fire hole 12 and a central fire cover 13; the outer ring fire ejecting pipe 6, the central fire ejecting pipe 7, the outer ring fire gas mixing cavity 8, the outer ring fire annular gas outlet groove 10, the central fire gas mixing cavity 11 and the central fire hole 12 are respectively arranged on the base 9; the gas inlet of the outer ring fire ejecting pipe 6 is communicated with external gas, the gas outlet of the outer ring fire ejecting pipe 6 is communicated with the outer ring fire mixed gas cavity 8, the outer ring fire mixed gas cavity 8 is communicated with the outer ring fire annular gas outlet groove 10, the gas inlet of the central fire ejecting pipe 7 is communicated with the outside, the gas outlet of the central fire ejecting pipe 7 is communicated with the central fire mixed gas cavity 11, the central fire mixed gas cavity 11 is communicated with the central fire hole 12, and the central fire cover 13 covers the gas outlet of the central fire hole 12; the annular fire cover is matched with the annular outer fire outlet groove 10, and the annular gas groove 5 covers and is communicated with the annular outer fire outlet groove 10; the horizontal length of the central fire injection pipe 7 is E, and the length range of E is 30-140 mm; the horizontal length of E may be any one of 30mm, 40mm, 50mm, 60mm, 70mm, 80mm, 90mm, 100mm, 110mm, 120mm, 130mm or 140mm, as the case may be.
The embodiments of the present invention are described in detail above with reference to the drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model.
Claims (8)
1. An annular fire cover for a furnace end comprises an annular cover body (1), wherein an annular gas groove (5) matched with a furnace end base is formed in the annular cover body (1); the air-conditioning device is characterized in that a plurality of air outlet holes (3) and a plurality of air outlet pipes (4) radiating outwards are respectively arranged on the outer wall of the annular air groove (5) along the circumferential direction, and an air inlet (41) and an air outlet (42) of each air outlet pipe (4) are both positioned below the air outlet holes (3).
2. The annular fire cover for the furnace end according to claim 1, wherein the air outlet pipe (4) is positioned between two adjacent air outlet holes (3), and a gap is formed between two adjacent air outlet pipes (4).
3. The annular fire cover for the furnace end according to claim 1, wherein an annular outer rim (2) protruding outwards is arranged on the outer side of the top of the annular cover body (1), and the annular outer rim (2) is positioned above the air outlet hole (3).
4. The annular fire cover for the furnace end according to claim 1, wherein the angle between the outlet pipe (4) and the outer wall of the annular cover body (1) is a, and the angle a ranges from 75 ° to 150 °.
5. Annular fire cover for burners according to claim 1, characterised in that the vertical distance between said air inlet (41) and said air outlet (3) is d, the distance of d ranging from 2 to 13 mm.
6. The annular fire cover for the burner of claim 1, wherein the outlet duct (4) extends outwardly with a horizontal length L, the length of L being in the range of 2-20 mm.
7. The annular fire cover for the furnace end according to claim 1, wherein the inner wall of the annular air groove (5) is inclined inward from bottom to top to form an air guide surface (51).
8. A furnace end with the annular fire cover comprises an outer annular fire ejecting pipe (6), a central fire ejecting pipe (7), an outer annular fire gas mixing cavity (8), a base (9), an outer annular fire gas outlet groove (10), a central fire gas mixing cavity (11), a central fire hole (12) and a central fire cover (13); the outer ring fire ejector pipe (6), the central fire ejector pipe (7), the outer ring fire gas mixing cavity (8), the outer ring fire annular gas outlet groove (10), the central fire gas mixing cavity (11) and the central fire hole (12) are respectively arranged on the base (9); the gas outlet of the outer ring fire ejecting pipe (6) is communicated with the outer ring fire mixed gas cavity (8), the outer ring fire mixed gas cavity (8) is communicated with the outer ring fire annular gas outlet groove (10), the gas inlet of the central fire ejecting pipe (7) is communicated with the outside, the gas outlet of the central fire ejecting pipe (7) is communicated with the central fire mixed gas cavity (11), the central fire mixed gas cavity (11) is communicated with the central fire hole (12), and the central fire cover (13) covers the gas outlet of the central fire hole (12); the annular fire cover is characterized in that the annular fire cover is matched with an annular fire outlet groove (10) of an outer ring fire, and the annular gas groove (5) is covered on and communicated with the annular fire outlet groove (10) of the outer ring fire; the horizontal length of the central fire injection pipe (7) is E, and the horizontal length range of the E is 30-140 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123180355.8U CN216521655U (en) | 2021-12-17 | 2021-12-17 | Annular fire cover for furnace end and furnace end with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123180355.8U CN216521655U (en) | 2021-12-17 | 2021-12-17 | Annular fire cover for furnace end and furnace end with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216521655U true CN216521655U (en) | 2022-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123180355.8U Active CN216521655U (en) | 2021-12-17 | 2021-12-17 | Annular fire cover for furnace end and furnace end with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216521655U (en) |
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2021
- 2021-12-17 CN CN202123180355.8U patent/CN216521655U/en active Active
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Denomination of utility model: Annular fire cover for furnace head and furnace head with the annular fire cover Effective date of registration: 20230112 Granted publication date: 20220513 Pledgee: Guangdong Shunde Rural Commercial Bank Co.,Ltd. science and technology innovation sub branch Pledgor: GUANGDONG XINQI ELECTRIC CO.,LTD. Registration number: Y2023980030855 |
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