CN109539305B - Novel self-cooling electrode applied to industrial burner - Google Patents
Novel self-cooling electrode applied to industrial burner Download PDFInfo
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- CN109539305B CN109539305B CN201910034346.6A CN201910034346A CN109539305B CN 109539305 B CN109539305 B CN 109539305B CN 201910034346 A CN201910034346 A CN 201910034346A CN 109539305 B CN109539305 B CN 109539305B
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- electrode
- cooling
- ceramic tube
- inner cavity
- cavity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23Q—IGNITION; EXTINGUISHING-DEVICES
- F23Q7/00—Incandescent ignition; Igniters using electrically-produced heat, e.g. lighters for cigarettes; Electrically-heated glowing plugs
- F23Q7/22—Details
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Combustion (AREA)
- Measuring Oxygen Concentration In Cells (AREA)
Abstract
The novel self-cooling electrode comprises an electrode and a burner for installing the electrode, wherein the electrode comprises an electrode head, an electrode shell, an O-shaped ring, an electrode clamping sleeve, an extension electrode wire, a ceramic tube, an adapter and an adjusting nut; the burner is also provided with a cooling inner cavity, the other end of the ceramic tube is inserted into the cooling inner cavity, and the other end of the extension electrode wire penetrates through the cooling inner cavity to enter a position of the burner for ignition. The invention adopts the integrated insulating electrode shell and is provided with the air interface, so that equipment and personnel are effectively protected, the service life of the equipment or the device is prolonged, and the device can be commonly used on different combustors.
Description
Technical Field
The invention relates to the field of industrial electrodes, in particular to a novel self-cooling electrode applied to an industrial burner.
Background
In modern industrial heating processes, burners are an essential part of the thermal work and heat plant. As shown in fig. 7, industrial electrodes for ignition and detection on existing burners generally comprise an electrode tip 1 ', an electrode wire 2', an electrode ferrule 3 ', and a ceramic tube 4'. However, when the electrode is installed on a burner for use, part of electrode wires are exposed between the ceramic tube and the electrode, and when ignition occurs, the electrode is ignited near the electrode head, namely, the shell of the burner, so that potential safety hazards are caused. Meanwhile, after the service time is long, the electrode wire can generate stress deformation in a high-temperature environment, so that the position of the ignition end of the electrode wire is deviated, and the ignition success rate is greatly reduced.
Disclosure of Invention
In order to overcome the defects of the prior art and solve the safety problem and the performance problem of the electrode, the invention provides a novel self-cooling electrode applied to an industrial burner.
The technical scheme adopted for solving the technical problems is as follows:
the novel self-cooling electrode comprises an electrode and a burner for installing the electrode, wherein the electrode comprises an electrode head, an electrode shell, an O-shaped ring, an electrode clamping sleeve, an extension electrode wire, a ceramic tube, an adapter and an adjusting nut; the electrode shell comprises a mounting cavity I and a mounting cavity II and a channel used for communicating the mounting cavity I and the mounting cavity II; the O-shaped ring is arranged in the mounting cavity I, one end of the adapter is arranged in the mounting cavity I and is in contact with the O-shaped ring, and the adjusting nut is movably arranged at the other end of the adapter through threaded fit; one end of the ceramic tube sequentially passes through the adapter and the O-shaped ring, the inner cavity of the ceramic tube is communicated with the channel, the electrode head is arranged on the mounting cavity II, one end of the electrode head is inserted into the ceramic tube through the channel, the electrode cutting sleeve is arranged at one end of the electrode head inserted into the ceramic tube, and one end of the extension electrode wire is inserted into the ceramic tube and connected and arranged on the electrode cutting sleeve; the electrode shell is also provided with an air interface communicated with the channel, and the air interface, the channel and the inner cavity of the ceramic tube form a cooling air channel; the burner is provided with a mounting screw hole, and the electrode is connected with the mounting screw hole through the adapter and mounted on the burner; the burner is also provided with a cooling inner cavity, the other end of the ceramic tube is inserted into the cooling inner cavity, the cooling air duct is communicated with the cooling inner cavity, and the other end of the extension electrode wire penetrates through the cooling inner cavity to enter a position of the burner for ignition.
In the invention, the electrode head comprises an electrode joint for connecting a power supply, a mounting nut for connecting and mounting the electrode joint and an insulating electric porcelain head for isolating current, the mounting nut is mounted on the electrode joint, the insulating electric porcelain head is mounted on the electrode joint, the electrode joint comprises an electrode wire penetrating through the insulating electric porcelain head, and the electrode head is connected with an electrode clamping sleeve through the electrode wire.
In the invention, the outer diameters of the electrode clamping sleeve, the extension electrode wire and the electrode wire are smaller than the diameter of the inner cavity of the ceramic tube.
In the invention, the outer diameters of the electrode wire and the extension electrode wire are smaller than the diameter of the inner cavity of the electrode cutting sleeve, and the electrode wire and the extension electrode wire are respectively inserted into the inner cavity of the electrode cutting sleeve.
In the invention, the electrode cutting sleeve is made of conductive materials, and an adjusting distance is arranged between the electrode wires respectively connected to the electrode cutting sleeve and the extension electrode wires.
In the invention, the cooling inner cavity is also provided with an electrode bracket, the electrode bracket is provided with a through hole, the through hole is provided with a guide piece which is convenient for the insertion of a ceramic tube, and one end of the ceramic tube is fixed on the guide piece.
In the present invention, the guide is horn-shaped.
In the invention, the cross-sectional shapes of the mounting cavity I and the mounting cavity II comprise a convex shape.
In the present invention, the electrode housing is integrally molded from an insulating material.
The invention has the beneficial effects that: the invention utilizes the air interface to access external cold air, and the cold air plays a role in cooling and protecting the whole electrode wire along the cooling air duct and the cooling inner cavity, thereby avoiding the problem that the electrode wire and the extension electrode wire deform due to thermal stress to influence the electrode performance. The length of the burner can be flexibly adjusted by adjusting the arrangement of the spacing, so that the burner is suitable for more burners with different sizes; meanwhile, the adjusting nut and the adapter are matched for use, and the integral installation position and the integral installation length of the electrode on the burner can be adjusted, so that the burner has good universality. The ceramic tube can be better fixed through the electrode bracket, so that the ceramic tube is prevented from loosening due to vibration in the long-term use process, and the normal use of the electrode wire is prevented from being influenced. In summary, the invention adopts the integrated insulating electrode shell and is provided with the air interface, so that equipment and personnel are effectively protected, the service life of the equipment or the device is prolonged, and the device can be commonly used on different combustors.
Drawings
The invention is further described below with reference to the drawings and embodiments:
fig. 1 is a schematic view of the overall structure of the present embodiment;
FIG. 2 is a schematic view of the electrode structure of the present embodiment;
FIG. 3 is a schematic view of the component fan-out configuration of FIG. 2;
FIG. 4 is a schematic view of the structure of an electrode head;
FIG. 5 is a schematic view of the structure of an electrode housing;
FIG. 6 is a schematic diagram of the air flow direction when the electrode is in use;
fig. 7 is a schematic diagram of a conventional electrode structure.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1 to 6, a novel self-cooling electrode applied to an industrial burner comprises an electrode and a burner for mounting the electrode. Further, the electrode comprises an electrode head 1, an electrode shell 2, an O-shaped ring 3, an electrode clamping sleeve 4, an extension electrode wire 5, a ceramic tube 6, an adapter 7 and an adjusting nut 8. The electrode shell 2 is integrally formed by insulating materials, and the electrode shell 2 comprises a mounting cavity I21, a mounting cavity II 22 and a channel 23 for communicating the mounting cavity I21 and the mounting cavity II 22; the installation cavity I21, the installation cavity II 22 and the channel 23 are respectively provided with connecting threads for connection and matching; the cross-sectional shapes of the installation cavity I21 and the installation cavity II 22 comprise a convex shape. The O-shaped ring 3 is arranged in the installation cavity I21, one end of the adapter 7 is installed in the installation cavity I21 and is in contact with the O-shaped ring 3, and the adjusting nut 8 is movably installed on the other end of the adapter 7 through threaded fit. One end of the ceramic tube 6 sequentially passes through the adapter 7 and the O-shaped ring 3, and the ceramic tube 6 is extruded by the O-shaped ring 3 to achieve the aim of fixed installation. The inner cavity of the ceramic tube 6 is communicated with the channel 23, the electrode head 1 is arranged on the mounting cavity II 22, and one end of the electrode head is inserted into the ceramic tube 6 through the channel 23. The electrode cutting sleeve 4 is arranged at one end of the electrode head 1 inserted into the ceramic tube 6, and one end of the extension electrode wire 5 is inserted into the ceramic tube 6 and connected and installed on the electrode cutting sleeve 4. The electrode shell 2 is also provided with an air interface 24 communicated with the channel 23, and the air interface 24, the channel 23 and the inner cavity of the ceramic tube 6 form a cooling air channel. Furthermore, the burner is provided with a mounting screw hole, and the electrode is connected with the mounting screw hole through the adapter 7 and is mounted on the burner; the burner is also provided with a cooling inner cavity 100, the other end of the ceramic tube 6 is inserted into the cooling inner cavity 100, the cooling air duct is communicated with the cooling inner cavity 100, and the other end of the extension electrode wire 5 passes through the cooling inner cavity 100 and enters a position of the burner for ignition.
Preferably, as shown in fig. 4, the electrode tip 1 includes an electrode tip 11 for connecting to a power source, a mounting nut 12 for connecting and mounting the electrode tip 11, and an insulating electric porcelain tip 13 for isolating a current, the mounting nut 12 is mounted on the electrode tip 11, the insulating electric porcelain tip 13 is mounted on the electrode tip 11, the electrode tip 11 includes an electrode wire passing through the insulating electric porcelain tip 13, and the electrode tip 1 is connected with the electrode ferrule 4 through the electrode wire.
Preferably, in order to form a cooling air channel with the air interface 24 and the channel 23 in the inner cavity of the ceramic tube 6, the outer diameters of the electrode cutting sleeve 4, the extension electrode wire 5 and the electrode wire are smaller than the inner cavity diameter of the ceramic tube 6.
Preferably, the outer diameters of the electrode wire and the extension electrode wire 5 are smaller than the inner cavity diameter of the electrode cutting sleeve 4, and the electrode wire and the extension electrode wire 5 are respectively inserted into the inner cavity of the electrode cutting sleeve 4. Further, the electrode sleeve 4 is made of conductive materials, and an adjusting distance is arranged between the electrode wires respectively connected to the electrode sleeve 4 and the extension electrode wires 5. The length of the burner can be flexibly adjusted by adjusting the interval, and the burner is suitable for more burners with different sizes, so that the burner has good universality.
Preferably, the cooling cavity 100 is further provided with an electrode support 101, the electrode support 101 is provided with a through hole, the through hole is provided with a guide member 102 for facilitating penetration of the ceramic tube 6, and one end of the ceramic tube 6 is fixed on the guide member 102. Further, the guide 102 is horn-shaped. The ceramic tube 6 can be better fixed through the electrode bracket 101, so that the ceramic tube 6 is prevented from loosening due to vibration in the long-term use process, and the normal use of the electrode wire 5 is prevented from being influenced.
The foregoing is only a preferred embodiment of the present invention, and all technical solutions for achieving the object of the present invention by substantially the same means are included in the scope of the present invention.
Claims (7)
1. The utility model provides a be applied to novel self-cooling electrode of industrial burner, includes electrode and is used for installing the combustor of electrode, its characterized in that: the electrode comprises an electrode head (1), an electrode shell (2), an O-shaped ring (3), an electrode clamping sleeve (4), an extension electrode wire (5), a ceramic tube (6), an adapter (7) and an adjusting nut (8); the electrode shell (2) comprises a mounting cavity I (21), a mounting cavity II (22) and a channel (23) for communicating the mounting cavity I (21) with the mounting cavity II (22); the O-shaped ring (3) is arranged in the mounting cavity I (21), one end of the adapter (7) is arranged in the mounting cavity I (21) and is contacted with the O-shaped ring (3), and the adjusting nut (8) is movably arranged at the other end of the adapter (7) through threaded fit; one end of the ceramic tube (6) sequentially passes through the adapter (7) and the O-shaped ring (3), the inner cavity of the ceramic tube (6) is communicated with the channel (23), the electrode tip (1) is arranged on the installation cavity II (22) and one end of the electrode tip is inserted into the ceramic tube (6) through the channel (23), the electrode cutting sleeve (4) is arranged at one end of the electrode tip (1) inserted into the ceramic tube (6), and one end of the extension electrode wire (5) is inserted into the ceramic tube (6) and connected with the electrode cutting sleeve (4); an air interface (24) communicated with the channel (23) is further arranged on the electrode shell (2), and a cooling air channel is formed by the air interface (24), the channel (23) and the inner cavity of the ceramic tube (6); the burner is provided with a mounting screw hole, and the electrode is connected with the mounting screw hole through an adapter (7) and mounted on the burner; the burner is also provided with a cooling inner cavity (100), the other end of the ceramic tube (6) is inserted into the cooling inner cavity (100), the cooling air duct is communicated with the cooling inner cavity (100), and the other end of the extension electrode wire (5) passes through the cooling inner cavity (100) and enters a position of the burner for ignition;
the electrode head (1) comprises an electrode joint (11) for connecting a power supply, a mounting nut (12) for connecting and mounting the electrode joint (11) and an insulating electric porcelain head (13) for isolating current, wherein the mounting nut (12) is mounted on the electrode joint (11), the insulating electric porcelain head (13) is mounted on the electrode joint (11), the electrode joint (11) comprises an electrode wire penetrating through the insulating electric porcelain head (13), and the electrode head (1) is connected with an electrode clamping sleeve (4) through the electrode wire;
the cooling cavity (100) is further provided with an electrode support (101), the electrode support (101) is provided with a through hole, the through hole is provided with a guide piece (102) which is convenient for the ceramic tube (6) to penetrate, and one end of the ceramic tube (6) is fixed on the guide piece (102).
2. A novel self-cooling electrode for industrial burners according to claim 1, characterized in that: the outer diameters of the electrode clamping sleeve (4), the extension electrode wire (5) and the electrode wire are smaller than the inner cavity diameter of the ceramic tube (6).
3. A new self-cooling electrode for industrial burners according to claim 1 or 2, characterized in that: the outer diameters of the electrode wire and the extension electrode wire (5) are smaller than the inner cavity diameter of the electrode cutting sleeve (4), and the electrode wire and the extension electrode wire (5) are respectively inserted into the inner cavity of the electrode cutting sleeve (4).
4. A novel self-cooling electrode for industrial burners according to claim 3, characterized in that: the electrode cutting ferrule (4) is made of conductive materials, and an adjusting distance is arranged between electrode wires and an extension electrode wire (5) which are respectively connected to the electrode cutting ferrule (4).
5. A novel self-cooling electrode for industrial burners according to claim 1, characterized in that: the guide (102) is horn-shaped.
6. A novel self-cooling electrode for industrial burners according to claim 1, characterized in that: the cross-sectional shapes of the installation cavity I (21) and the installation cavity II (22) comprise a convex shape.
7. A novel self-cooling electrode for industrial burners according to claim 1, characterized in that: the electrode housing (2) is integrally formed from an insulating material.
Priority Applications (1)
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CN201910034346.6A CN109539305B (en) | 2019-01-15 | 2019-01-15 | Novel self-cooling electrode applied to industrial burner |
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CN201910034346.6A CN109539305B (en) | 2019-01-15 | 2019-01-15 | Novel self-cooling electrode applied to industrial burner |
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CN109539305A CN109539305A (en) | 2019-03-29 |
CN109539305B true CN109539305B (en) | 2023-10-10 |
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CN116182192B (en) * | 2023-03-09 | 2024-04-19 | 中国空气动力研究与发展中心空天技术研究所 | Air film cooling ignition ring for combustion heating equipment |
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CN107218623A (en) * | 2017-05-25 | 2017-09-29 | 航天神洁(北京)环保科技有限公司 | A kind of sliding arc auxiliary combustion equipment for producing atmospheric non-equilibrium plasma |
CN209655354U (en) * | 2019-01-15 | 2019-11-19 | 佛山市科皓燃烧设备制造有限公司 | A kind of novel self-cooling applied to industrial burner but electrode |
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