CN218209557U - Special pilot burner of low pressure fuel gas - Google Patents
Special pilot burner of low pressure fuel gas Download PDFInfo
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- CN218209557U CN218209557U CN202222506342.3U CN202222506342U CN218209557U CN 218209557 U CN218209557 U CN 218209557U CN 202222506342 U CN202222506342 U CN 202222506342U CN 218209557 U CN218209557 U CN 218209557U
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- gas
- pressure fuel
- outer tube
- low pressure
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Abstract
The utility model discloses a special pilot burner of low pressure fuel gas, including steady flame pipe, gas shower nozzle, air distribution plate, inner tube, outer tube, flange, air regulation piece, gas joint, each part forms a whole part through welding and screw fastening, is exclusively used in ignition, the stable combustion of low pressure fuel gas. The fuel gas sprayed by the gas nozzle of the pilot burner and the combustion-supporting air from the air distribution plate are fully mixed and combusted in the flame stabilizing pipe, so that the pilot burner has a stable and continuous flame shape and can prevent the tempering phenomenon of low-pressure fuel gas. The utility model discloses changming lamp simple structure, convenient to detach, it is convenient to maintain, installs and uses on the combustor, provides the safety guarantee for the long-term steady operation of equipment.
Description
Technical Field
The utility model relates to a petrochemical industry tubular heating furnace and coloured smelting furnace burner are with the relevant field of changming lamp, especially relate to a special changming lamp of low pressure fuel gas.
Background
With the continuous emphasis of the country on the safety of the petrochemical industry and the nonferrous smelting furnace industry, the safe operation of the tubular heating furnace and the burner for the nonferrous smelting furnace is particularly important. Therefore, safety and stability of the pilot light providing ignition energy to the burner are of great importance. At present, the Changming lamp for the domestic burner generally adopts high-pressure fuel gas to inject and carry a part of air, the air is fully mixed in a Venturi tube and then burns after coming out of a nozzle of the Changming lamp, the burning effect is good under higher fuel gas pressure, but when the pressure fluctuation of a fuel gas pipe network is larger or a user can only provide lower fuel gas pressure, the condition that the flame propagation speed is higher than the flow speed of the fuel gas can be generated, so that the tempering phenomenon can be generated, the fuel can burn in the Venturi tube, a metal hose can be burned out in serious conditions, and the service life and the safe operation of the device are greatly influenced. Obviously, when the fuel gas pressure is low, the pilot lamp is not suitable for use.
Therefore, the research on the pilot burner special for the low-pressure fuel gas plays an important role and guarantee in the long-term safe and stable operation of the tubular heating furnace and the non-ferrous melting furnace.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a special pilot burner of low pressure fuel gas to be adapted to the safe operation requirement of petrochemical trade tubular heating furnace and coloured smelting furnace.
In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a special pilot burner of low pressure fuel gas, including steady flame pipe, the gas shower nozzle, join in marriage the aerofoil, the inner tube, the outer tube, flange, the air adjustment piece, the gas joint, steady flame pipe mounting is in outer tube one end, the inside inner tube that is equipped with of outer tube, the inner tube extends outer tube to one of steady flame intraductal to serve and installs the gas shower nozzle, and the inner tube extends and installs the gas joint on the other end of outer tube, install in the one end of outer tube and steady flame union coupling and join in marriage the aerofoil, and install flange on the outer tube outside, install the air adjustment piece on the inner tube between gas joint and the outer tube.
Preferably, the side surface of the flame stabilizing pipe is provided with at least two circular holes and cutting grooves.
Preferably, the radial direction and the axial direction of the gas nozzle are both provided with at least two gas outlets.
Preferably, the air distribution plate is provided with at least two annular air inlet holes.
Preferably, the components are formed as a single integral unit by welding and screw fastening.
The utility model has the advantages that:
the utility model discloses lead to and set up the flame stabilizing pipe at the changming lamp holder portion, the side is provided with a plurality of round holes and grooving, and burning flame overflows from these holes, forms continuous stable flame, can effectively avoid the changming lamp holder portion to take place to take off a fire phenomenon.
The utility model discloses a radial direction and the axial direction of gas shower nozzle all are provided with a plurality of gas and portal, can promote fuel gas and combustion air at the intraductal intensive mixing of flame stabilizing, prevent that the interior surplus air coefficient of stove is too big to reach energy-conserving effect.
The utility model discloses the air distribution plate is provided with a plurality of annular fresh air inlets, and combustion-supporting wind supplies with the burning of changming lamp through air distribution plate annular fresh air inlet, and fuel gas is from the blowout of gas orifice, and combustion-supporting wind and fuel gas only are in flame stabilizing pipe intensive mixing burning, can avoid the tempering phenomenon to take place.
The utility model discloses steady flame pipe adopts threaded connection with the outer tube, and gas shower nozzle adopts threaded connection with the inner tube, the utility model discloses simple structure, it is convenient to maintain, and long service life reaches 6 ~ 8 years, can agree with general factory equipment overhaul more than 2 periods.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of a flame holder of the present invention;
FIG. 3 is a schematic view of the gas burner of the present invention;
fig. 4 is a schematic view of the air distribution plate of the present invention.
Wherein: the gas burner comprises a flame stabilizing pipe-1, a gas burner-2, an air distribution plate-3, an inner pipe-4, an outer pipe-5, a connecting flange-6, an air adjusting sheet-7 and a gas joint-8.
Detailed Description
In order to further explain the technical solution of the present invention, the following is a detailed explanation through specific examples.
As shown in fig. 1-4, the utility model provides a special pilot burner of low pressure fuel gas, which comprises a flame stabilizing pipe 1, a fuel gas nozzle 2, an air distribution plate 3, an inner pipe 4, an outer pipe 5, a connecting flange 6, an air adjusting sheet 7 and a fuel gas joint 8;
the flame stabilizing pipe 1 is arranged at one end of the head part of the outer pipe 5, the inner pipe 4 is arranged in the outer pipe 5, the inner pipe 4 is positioned at two ends of the outer pipe 5, a gas nozzle 2 is arranged at one end of the inner pipe 4 extending out of the head part of the outer pipe 5 to the inner part of the flame stabilizing pipe 1, a gas joint 8 is arranged at the other end of the inner pipe 4 extending out of the tail part of the outer pipe 5, an air distribution plate 3 is arranged in one end of the outer pipe 5 connected with the flame stabilizing pipe 1, a connecting flange 6 is arranged outside the outer pipe 5, and an air adjusting sheet 7 is arranged on the inner pipe 4 between the gas joint 8 and the outer pipe 5; it should be noted that, each component in this embodiment forms an integral component through welding and screw fastening, wherein, flame stabilizing pipe 1 and outer tube 5 adopt threaded connection, and gas shower nozzle 2 and inner tube 4 adopt threaded connection, conveniently carry out the dismouting.
As shown in fig. 2, eight circular through holes are uniformly arranged at the middle section and the upper end of the flame stabilizing tube 1 in the embodiment, four cutting grooves are arranged between the circular through holes, one end of each cutting groove extends to the four circular through holes at the middle section, the other end of each cutting groove extends to the top port of the flame stabilizing cover 1, the burning flame of the flame stabilizing cover 1 overflows from the holes to form continuous and stable flame, and the occurrence of the fire-out phenomenon of the head of the pilot burner can be effectively avoided.
As shown in fig. 3, in the present embodiment, six gas outlets are provided in both the radial direction and the axial direction of the gas nozzle 2, which can promote the fuel gas and the combustion air to be fully mixed in the flame stabilizing pipe, and prevent the excess air coefficient in the furnace from being too large, thereby achieving the energy saving effect.
As shown in fig. 4, in the present embodiment, at least two annular air inlet holes are formed in the air distribution plate 3, the combustion-supporting air is supplied to the pilot burner through the annular air inlet holes of the air distribution plate 3 for combustion, the fuel gas is sprayed from the fuel gas spray holes, and the combustion-supporting air and the fuel gas are only sufficiently mixed and combusted in the flame stabilizing pipe, so as to avoid the occurrence of the backfire phenomenon.
The utility model provides a special pilot burner of low pressure fuel gas, lead to the flame stabilizing tube 1 that sets up in the pilot burner head, the side is provided with a plurality of round holes and grooving, the burning flame overflows from these holes, form the continuous stable flame, can effectively avoid the pilot burner head to take place to take off a fire the phenomenon; the radial direction and the axial direction of the gas nozzle 2 are provided with a plurality of gas outlets, so that the fuel gas and the combustion air can be promoted to be fully mixed in the flame stabilizing pipe, the excessive air coefficient in the furnace is prevented from being too large, and the effect of saving energy is achieved; the air distribution plate 3 is provided with a plurality of annular air inlet holes, combustion-supporting air is supplied to the pilot burner for combustion through the annular air inlet holes of the air distribution plate 3, fuel gas is sprayed out from the fuel gas spray holes, and the combustion-supporting air and the fuel gas are only fully mixed and combusted in the flame stabilizing pipe, so that the tempering phenomenon can be avoided; steady flame pipe 1 adopts threaded connection with outer tube 5, and gas shower nozzle 2 adopts threaded connection with inner tube 4, the utility model discloses simple structure, it is convenient to maintain, and long service life reaches 6 ~ 8 years, can agree with general factory equipment overhaul more than 2 periods.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A special pilot burner of low pressure fuel gas, its characterized in that: including steady flame pipe (1), gas shower nozzle (2), air distribution plate (3), inner tube (4), outer tube (5), flange (6), air regulation piece (7), gas connector (8), steady flame pipe (1) is installed in outer tube (5) one end, outer tube (5) inside is equipped with inner tube (4), inner tube (4) are extended outer tube (5) to one of steady flame pipe (1) and are served and install gas shower nozzle (2), just inner tube (4) are extended and are installed gas connector (8) on the other end of outer tube (5), install air distribution plate (3) in the one end that outer tube (5) and steady flame pipe (1) are connected, just install flange (6) on outer tube (5) outside, install air regulation piece (7) on inner tube (4) between gas connector (8) and outer tube (5).
2. The pilot lamp for low pressure fuel gas according to claim 1, wherein: and at least two round holes and cutting grooves are formed in the side surface of the flame stabilizing pipe (1).
3. The pilot lamp for low pressure fuel gas according to claim 1, wherein: the radial direction and the axial direction of the gas nozzle (2) are both provided with at least two gas outlets.
4. The special pilot burner of low-pressure fuel gas of claim 1, characterized in that: and at least two annular air inlet holes are formed in the air distribution plate (3).
5. The pilot lamp for low pressure fuel gas according to any one of claims 1 to 4, wherein: the parts are welded and screwed together to form a single part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222506342.3U CN218209557U (en) | 2022-09-20 | 2022-09-20 | Special pilot burner of low pressure fuel gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222506342.3U CN218209557U (en) | 2022-09-20 | 2022-09-20 | Special pilot burner of low pressure fuel gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218209557U true CN218209557U (en) | 2023-01-03 |
Family
ID=84636263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222506342.3U Active CN218209557U (en) | 2022-09-20 | 2022-09-20 | Special pilot burner of low pressure fuel gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218209557U (en) |
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2022
- 2022-09-20 CN CN202222506342.3U patent/CN218209557U/en active Active
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