CN218209567U - Plasma composite burner and ceramic kiln - Google Patents
Plasma composite burner and ceramic kiln Download PDFInfo
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- CN218209567U CN218209567U CN202222698241.0U CN202222698241U CN218209567U CN 218209567 U CN218209567 U CN 218209567U CN 202222698241 U CN202222698241 U CN 202222698241U CN 218209567 U CN218209567 U CN 218209567U
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Abstract
The utility model provides a compound nozzle of plasma and ceramic furnace, including gas piping, the tube-shape casing, electricity mechanism and air supply line of striking sparks, the utility model discloses a two combustion-supporting gas pipelines that supply, all be provided with the combustion-supporting gas chamber in the inboard and the outside in gas chamber, design through two gas supply passageways makes gas and combustion-supporting gas more disperse when spouting, be convenient for gas and combustion-supporting gas's intensive mixing, and let the flame combustion of nozzle stable, can not appear from the flame, take off the fire, flame-out phenomenon, can continuously discharge between a plurality of electrode tubes that set up in addition, carry out the ionization to the combustion-supporting gas who lets in, the plasma that produces can increase flame length and improve flame temperature when burning, make the intensification rapid, the electric arc that produces can work for a long time in succession, the arc phenomenon can not appear breaking, thereby let the flame combustion of nozzle stable, flame-out phenomenon can not appear, improve the work efficiency of nozzle.
Description
Technical Field
The utility model relates to a burner technical field for the kiln heating specifically is a compound nozzle of plasma and ceramic kiln.
Background
Ceramic, glass, resistant firebrick, metal refine the production course of working in need carry out high temperature heating, and the temperature will reach about 1300 degrees usually, and more than 1600 degrees even, the gas nozzle is the important part that provides the heat energy to the kiln, and reasonable, efficient gas nozzle can not only make the gas fully burn, avoids CO's production, still has stable combustion effect, overcomes the shortcoming such as combustion process flame, easy flame-out, flame do not have impulsive force.
The utility model provides a public number is CN213119071U provides a gas mixed structure for industrial kiln nozzle, use the center to lead to the gas, the peripheral combustion-supporting gas's project organization that leads to, and set up the electrode on the electrode hole, ignite the mist, this kind of structure is at the front end of nozzle through air and gas natural blow-out and mixes, can cause air and gas to mix unevenly, thereby cause the nozzle power range to be restricted, and take place the condition such as take off a fire easily, adopt ordinary electrode to strike sparks in addition, take place the condition of flame-out easily, thereby still need to set up special detection device and ignition again, make the availability factor of nozzle not high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a compound nozzle of plasma and ceramic kiln to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a plasma recombination burner comprising:
the gas pipeline is internally provided with a gas cavity, a first combustion-supporting gas cavity is arranged at the center of the gas cavity, a second combustion-supporting gas cavity is arranged outside the gas cavity, and openings are formed in the upper ends of the gas cavity, the first combustion-supporting gas cavity and the second combustion-supporting gas cavity and are respectively used for ejecting gas and combustion-supporting gas;
the cylindrical shell is internally provided with a hollow combustion chamber, the upper end of the cylindrical shell is provided with an open combustion port, the cylindrical shell is arranged at the upper end of a gas pipeline, the upper end of the gas pipeline extends into the combustion chamber, and the cylindrical shell is used for gathering combustion flames;
electric spark mechanism, electric spark mechanism includes electrode tube, high temperature resistant insulating ceramic dish and the insulating dish of the even symmetric distribution of multiunit, high temperature resistant insulating ceramic dish is fixed in first combustion-supporting gas intracavity, and the insulating dish sets up in first combustion-supporting gas chamber bottom, electrode tube bottom is fixed on the insulating dish, and high temperature resistant insulating ceramic dish is passed to the upper end, and the upper end of electrode tube is crooked, and the bend of a plurality of electrode tubes all towards the center in first combustion-supporting gas chamber, the bottom of insulating dish is fixed with the terminal rod, the terminal rod passes insulating dish and electrode tube electric connection.
The gas supply pipeline comprises a gas pipe communicated with the gas cavity and a combustion-supporting gas pipe communicated with the first combustion-supporting gas cavity and the second combustion-supporting gas cavity.
In one embodiment, the gas pipeline comprises a gas pipe, a separation inner cylinder and a flange sleeve, the lower end of the gas pipe is fixed at the bottom of the flange sleeve, a cylindrical shell is fixed at the upper end face of the flange sleeve, the gas pipe penetrates through the flange sleeve and extends into the combustion chamber, the separation inner cylinder is arranged inside the gas pipe, the bottom of the separation inner cylinder is fixed at the bottom of the gas pipe, the space of the separation inner cylinder is a first combustion-supporting gas cavity, the space of the separation outer side of the inner cylinder and the space of the inner side of the gas pipe are gas cavities, and the space of the outer side of the gas pipe, the space of the flange sleeve and the space of the inner side of the cylindrical shell are second combustion-supporting gas cavities.
In one embodiment, a cyclone disk is fixed at the upper end opening of the second combustion supporting gas chamber, and the cyclone disk is positioned 2 cm-10 cm below the upper end outlet of the second combustion supporting gas chamber.
In one embodiment, the inclination angle of the cyclone sheets of the cyclone disk is 15-45 degrees in a counterclockwise direction.
In one embodiment, the gas supply pipeline comprises a first gas inlet pipe, a gas inlet pipe and a second gas inlet pipe, a gas inlet cavity is fixed at the bottom of the gas pipe, a communication hole is formed in the insulating disc and is used for communicating the gas inlet cavity with the first combustion-supporting gas cavity, the first gas inlet pipe is fixed on the side face of the gas inlet cavity and is communicated with the inside of the gas inlet cavity, the gas inlet pipe and the second gas inlet pipe are fixed on the outer side wall of the flange sleeve, the gas inlet pipe penetrates through the second combustion-supporting gas cavity and is communicated with the inside of the gas cavity, and the second gas inlet pipe is communicated with the inside of the second combustion-supporting gas cavity.
In one embodiment, the upper end of the fuel gas cavity is sealed and uniformly provided with a plurality of fuel gas holes, so that the fuel gas cavity is communicated with the combustion chamber, and the side wall of the separation inner cylinder at the upper end of the high-temperature resistant insulating ceramic disc is provided with a plurality of air inlet holes, so that the fuel gas cavity is communicated with the inside of the first combustion-supporting gas cavity.
In one embodiment, the electrode tubes are uniformly provided with three groups and are composed of stainless steel tubes, the distance between the bending parts of the three electrode tubes is 2-4 mm, and the insulating disc is made of insulating polytetrafluoroethylene materials.
In one embodiment, the cylindrical shell is a silicon carbide tube.
The utility model discloses still provide a ceramic kiln in addition, ceramic kiln includes the kiln body and sets up the combustor at the internal portion of kiln, be provided with the nozzle on the combustor, the nozzle adopts the compound nozzle of foretell plasma.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a two combustion-supporting gas pipelines that supply, inboard and the outside in the gas chamber all are provided with the combustion-supporting gas chamber, design through two gas supply passageways makes gas and combustion-supporting gas more disperse when spouting, the gas of being convenient for and combustion-supporting gas's intensive mixing, and let the flame combustion of nozzle stable, can not appear from the flame, take off the fire, flameout phenomenon, can continuously discharge between a plurality of electrode tubes that set up in addition, carry out the ionization to the combustion-supporting gas who lets in, the plasma that produces can increase flame length and improve flame temperature when burning, make intensification rapidly, the electric arc that produces can work for a long time in succession, the arc breaking phenomenon can not appear, thereby the flame combustion of nozzle is stable, flameout phenomenon can not appear, the work efficiency of improvement nozzle.
Drawings
FIG. 1 is a schematic view of the overall cross-sectional structure of the present invention;
FIG. 2 is a schematic structural view of the electric ignition mechanism of the present invention;
FIG. 3 is a schematic cross-sectional front view of the gas pipeline of the present invention;
FIG. 4 is a schematic top view of the gas pipeline of the present invention;
FIG. 5 is a schematic view of the bottom structure of the gas pipeline in the present invention;
fig. 6 is a schematic view of the overall external structure of the present invention.
In the figure: 100 gas pipelines, 110 gas pipes, 111 gas chambers, 112 gas inlets, 113 gas holes, 120 separating inner cylinders, 121 first combustion-supporting gas chambers, 130 flange sleeves, 131 second combustion-supporting gas chambers, 140 cyclone discs, 2000 cylindrical shells, 210 combustion chambers, 220 combustion ports, 300 electric ignition mechanisms, 310 insulating discs, 311 communication holes, 320 high-temperature-resistant insulating ceramic discs, 330 electrode pipes, 340 wiring rods, 400 gas supply pipelines, 410 first gas inlet pipes, 420 gas inlet chambers, 430 gas inlet pipes and 440 second gas inlet pipes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Example (b):
referring to fig. 1 to 6, the present invention provides a technical solution:
a plasma composite burner comprises a gas pipeline 100, a cylindrical shell 200, an electric ignition mechanism 300 and a gas supply pipeline 400, wherein:
the gas pipeline 100 comprises a gas pipe 110, a separating inner cylinder 120 and a flange sleeve 130, the lower end of the gas pipe 110 is fixed at the bottom of the flange sleeve 130, the gas pipe 110 is sleeved inside the flange sleeve 130, the joint of the gas pipe 110 and the flange sleeve 130 is sealed, a cylindrical shell 200 is fixed on the upper end face of the flange sleeve 130, the joint of the cylindrical shell 200 and the flange sleeve 130 is sealed, the gas pipe 110 penetrates through the flange sleeve 130 and extends into a combustion chamber 210, the separating inner cylinder 120 with the bottom fixed at the bottom of the gas pipe 110 is arranged inside the gas pipe 110, the space separating the inner cylinder 120 is a first combustion-supporting gas cavity 121, the space separating the outer side of the inner cylinder 120 and the inner side of the gas pipe 110 is a gas cavity 111, the space separating the outer side of the gas pipe 110 and the inner sides of the flange sleeve 130 and the cylindrical shell 200 is a second combustion-supporting gas cavity 131, the lower ends of the gas cavity 111, the first combustion-supporting gas cavity 121 and the second combustion-supporting gas cavity 131 are sealed, the upper ends are open, and the opening is positioned inside the combustion-supporting chamber 210.
Optionally, the gas pipeline 100 may also adopt a structure of three concentric cylinders, as long as the center of the gas cavity 111 is provided with a first combustion-supporting gas cavity 121, the outside of the gas cavity 111 is provided with a second combustion-supporting gas cavity 131, and the upper ends of the gas cavity 111, the first combustion-supporting gas cavity 121, and the second combustion-supporting gas cavity 131 are all provided with openings, so as to be capable of spraying gas and combustion-supporting gas.
Further, a cyclone disk 140 is fixed at an opening at the upper end of the second combustion supporting gas chamber 131, the cyclone disk 140 is positioned 2cm to 10cm below an outlet at the upper end of the second combustion supporting gas chamber 131, an inclination angle of a cyclone sheet of the cyclone disk 140 is an anticlockwise inclination angle of 15 to 45 degrees, when combustion supporting gas passes through the second combustion supporting gas chamber 131 and is sprayed out to a mountain, the combustion supporting gas passes through the cyclone disk 140, and the cyclone disk 140 allows the passing combustion supporting gas to form an anticlockwise air cyclone, so that the combustion supporting gas and the combustion supporting gas are mixed more fully.
The cylindrical casing 200 has a hollow combustion chamber 210 therein, a combustion chamber port 220 opened at the upper end thereof, the cylindrical casing 200 is disposed at the upper end of the gas pipeline 100, the upper end of the gas pipeline 100 extends into the combustion chamber 210, the cylindrical casing 200 is used for collecting combustion flames, and further, a silicon carbide tube is used as the cylindrical casing 200.
The electric ignition mechanism 300 comprises a plurality of groups of electrode tubes 330, a high-temperature-resistant insulating ceramic disc 320 and an insulating disc 310 which are uniformly and symmetrically distributed, the high-temperature-resistant insulating ceramic disc 320 is fixed in a first combustion-supporting gas cavity 121, air holes are formed in the high-temperature-resistant insulating ceramic disc 320 to facilitate the passage of combustion-supporting gas, the outer side of the high-temperature-resistant insulating ceramic disc is fixed on the inner side wall of a separation inner cylinder 120, the insulating disc 310 is arranged at the bottom of the first combustion-supporting gas cavity 121, the outer side of the high-temperature-resistant insulating ceramic disc 320 is fixed on the inner side wall of the separation inner cylinder 120, the air holes are respectively formed in the center of the high-temperature-resistant insulating ceramic disc 320 and between adjacent electrode tubes 330, the bottom of each electrode tube 330 is fixed on the insulating disc 310, the upper end of each electrode tube 330 penetrates through the high-temperature-resistant insulating ceramic disc 320, the upper end of each electrode tube 330 is bent, the bent parts of the plurality of electrode tubes 330 face the center of the first combustion-supporting gas cavity 121, the space among the plurality of electrode tubes 330 are ionization cavities, discharge can continuously occur among the plurality of electrode tubes 330, the electrode tubes ionize combustion-tubes, the introduced gas, generated plasma can increase the flame length and improve the flame temperature when the flame temperature, so that the flame is rapidly increased, the generated plasma can continuously work for a long time, the arc can be generated, the flame combustion-supporting phenomenon of the burner, the burner can be avoided, the electric arc generated by the electric arc can be continuously work for stabilizing the electric arc, and the flame of the electric ignition mechanism, the burner can be stably, and the burner, the flame of the burner can be stably combusted, and the burner, the flame combustion-supporting efficiency of the burner can be improved, and the flame can be improved, the flame efficiency of the burner can be improved.
The bottom of insulating dish 310 is fixed with terminal rod 340, terminal rod 340 passes insulating dish 310 and electrode tube 330 electric connection, and terminal rod 340 is the metal screw rod, conveniently energizes electrode tube 330.
Further, three groups of electrode tubes 330 are uniformly arranged and are composed of stainless steel tubes, the distance between the bent parts of the three electrode tubes 330 is 2 mm-4 mm, and the insulating disc 310 is made of insulating polytetrafluoroethylene material.
The gas supply pipeline 400 comprises a first gas inlet pipe 410, a gas inlet pipe 430 and a second gas inlet pipe 440, a gas inlet cavity 420 is fixed at the bottom of the gas pipe 110, a communication hole 311 is formed in the insulating disc 310, the gas inlet cavity 420 and the first combustion-supporting gas cavity 121 are communicated through the communication hole 311, the first gas inlet pipe 410 is fixed on the side face of the gas inlet cavity 420 and communicated with the inside of the gas inlet cavity 420, combustion-supporting gas can be introduced into the first combustion-supporting gas cavity 121 through the first gas inlet pipe 410, the gas inlet pipe 430110 and the second gas inlet pipe 440 are fixed on the outer side wall of the flange sleeve 130, the gas inlet pipe 430 penetrates through the second combustion-supporting gas cavity 131 and is communicated with the inside of the gas cavity 111, the gas inlet pipe 430 and the side wall of the flange sleeve 130 are subjected to sealing treatment, gas can be introduced into the gas cavity 111 through the gas inlet pipe 430, the second gas inlet pipe 440 is communicated with the inside of the second combustion-supporting gas cavity 131, and combustion-supporting gas can be introduced into the second combustion-supporting gas cavity 131 through the second gas inlet pipe 440.
The first combustion-supporting gas chamber 121 and the second combustion-supporting gas chamber 131 of this embodiment constitute two combustion-supporting gas pipelines that supply, all are provided with combustion-supporting gas chamber in the inboard and the outside in gas chamber, and design through two gas supply passageways makes gas and combustion-supporting gas disperse more when spouting, the intensive mixing of the gas of being convenient for and combustion-supporting gas, and the flame combustion who lets the nozzle is stable, can not appear leaving flame, taking off a fire, flame-out phenomenon.
Further, the upper end of the gas cavity 111 is sealed, and a plurality of gas holes 113 are uniformly formed, so that the gas cavity 111 is communicated with the combustion chamber 210, the side wall of the separation inner cylinder 120 at the upper end of the high-temperature-resistant insulating ceramic disc 320 is provided with a plurality of gas inlets 112, so that the gas cavity 111 is communicated with the inside of the first combustion-supporting gas cavity 121, the gas sprayed from the gas holes 113 can be mixed with the combustion-supporting gas sprayed from the second combustion-supporting gas cavity 131 more uniformly, the gas inlets 112 can introduce the gas into the first combustion-supporting gas cavity 121, and after the gas is mixed with the combustion-supporting gas inside the first combustion-supporting gas cavity 121, the gas is ignited by the electric ignition mechanism 300 at the outlet of the first combustion-supporting gas cavity 121, so that the gas and the combustion-supporting gas are mixed more fully.
The utility model discloses still provide a ceramic kiln in addition, ceramic kiln includes the kiln body and sets up the combustor at the internal portion of kiln, be provided with the nozzle on the combustor, the nozzle adopts the compound nozzle of foretell plasma.
The utility model discloses an application principle: taking combustion gas as natural gas and combustion-supporting gas as air as examples, when the cyclone separator is used, air provided by a high-pressure fan enters the air inlet cavity 420 through the first air inlet pipe 410 and then enters the first combustion-supporting gas cavity 121, the air enters the second combustion-supporting gas cavity 122 through the second air inlet pipe 440, and after passing through the cyclone disc 140, high-pressure air in the first combustion-supporting gas cavity 121 forms an anticlockwise air cyclone at an outlet at the upper end;
the natural gas is introduced into the gas chamber 111 through the gas inlet pipe 430, is fully mixed with the air discharged from the first combustion supporting gas chamber 121 and the second combustion supporting gas chamber 131 through the gas inlet hole 112 and the gas hole 113 at the gas outlet, and is ignited by the electric ignition mechanism 300, and the ignited gas rapidly passes through the combustion chamber 210, so that a rapidly rotating flame is formed at the combustion port 220, and the length of the flame is changed along with the difference between the amount of the introduced air and the amount of the gas.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A plasma recombination burner, comprising:
the gas pipeline is internally provided with a gas cavity, the center of the gas cavity is provided with a first combustion-supporting gas cavity, the outside of the gas cavity is provided with a second combustion-supporting gas cavity, and the upper ends of the gas cavity, the first combustion-supporting gas cavity and the second combustion-supporting gas cavity are respectively provided with an opening for spraying gas and combustion-supporting gas;
the cylindrical shell is internally provided with a hollow combustion chamber, the upper end of the cylindrical shell is provided with an open combustion port, the cylindrical shell is arranged at the upper end of a gas pipeline, the upper end of the gas pipeline extends into the combustion chamber, and the cylindrical shell is used for gathering combustion flames;
the electric ignition mechanism comprises a plurality of groups of electrode tubes, high-temperature-resistant insulating ceramic discs and insulating discs, wherein the electrode tubes, the high-temperature-resistant insulating ceramic discs and the insulating discs are uniformly and symmetrically distributed, the high-temperature-resistant insulating ceramic discs are fixed in a first combustion-supporting gas cavity, the insulating discs are arranged at the bottom of the first combustion-supporting gas cavity, the bottom of each electrode tube is fixed on the insulating discs, the upper ends of the electrode tubes penetrate through the high-temperature-resistant insulating ceramic discs, the upper ends of the electrode tubes are bent, the bent parts of the electrode tubes face the center of the first combustion-supporting gas cavity, and wiring rods are fixed at the bottom of the insulating discs and penetrate through the insulating discs to be electrically connected with the electrode tubes;
the air supply line, the air supply line includes the gas pipe that is linked together with the gas chamber and helps the gas pipe with first combustion-supporting gas chamber, the combustion-supporting gas chamber intercommunication of second.
2. A plasma recombination burner according to claim 1, wherein: the gas pipeline comprises a gas pipe, a separation inner cylinder and a flange sleeve, the lower end of the gas pipe is fixed to the bottom of the flange sleeve, a cylindrical shell is fixed to the upper end face of the flange sleeve, the gas pipe penetrates through the flange sleeve and extends into the combustion chamber, the separation inner cylinder is fixed to the bottom of the gas pipe, the space of the separation inner cylinder is a first combustion-supporting gas cavity, the space of the outer side of the separation inner cylinder and the inner side of the gas pipe is a gas cavity, and the space of the outer side of the gas pipe, the flange sleeve and the inner side of the cylindrical shell is a second combustion-supporting gas cavity.
3. A plasma recombination burner according to claim 2, wherein: and a cyclone disc is fixed at the opening at the upper end of the second combustion-supporting gas cavity and is positioned 2 cm-10 cm below the outlet at the upper end of the second combustion-supporting gas cavity.
4. A plasma recombination burner according to claim 3, wherein: the inclination angle of the cyclone sheet of the cyclone disc is 15-45 degrees in anticlockwise inclination.
5. A plasma recombination burner according to claim 2, wherein: the gas supply line includes first intake pipe, advances gas pipe and second intake pipe, the gas socle portion is fixed with the chamber of admitting air, be provided with the intercommunicating pore on the insulating dish, the intercommunicating pore will admit air chamber and first combustion-supporting gaseous chamber intercommunication, first intake pipe is fixed in the chamber side of admitting air, and admit air intracavity portion intercommunication, advances gas pipe and second intake pipe and fix at the flange cover lateral wall, advances the gas pipe and passes the combustion-supporting gaseous chamber of second and the combustion-supporting gaseous intracavity portion intercommunication of gas, second intake pipe and the combustion-supporting gaseous intracavity portion intercommunication of second.
6. A plasma recombination burner according to claim 2, wherein: the gas chamber upper end is sealed, and evenly is provided with a plurality of gas holes, lets gas chamber and combustion chamber intercommunication, the partition inner tube lateral wall of high temperature resistant insulating ceramic dish upper end is provided with a plurality of inlet ports, lets gas chamber and the inside intercommunication of first combustion-supporting gas chamber.
7. A plasma recombination burner according to claim 1, wherein: the electrode tubes are evenly provided with three groups of electrode tubes and are composed of stainless steel tubes, the distance between the bending parts among the three electrode tubes is 2-4 mm, and the insulating disc is made of insulating polytetrafluoroethylene materials.
8. A plasma recombination burner according to claim 1, wherein: the cylindrical shell adopts a silicon carbide tube.
9. A ceramic kiln is characterized in that: the ceramic kiln comprises a kiln body and a burner arranged in the kiln body, wherein the burner is provided with a burner, and the burner adopts the plasma composite burner as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222698241.0U CN218209567U (en) | 2022-10-13 | 2022-10-13 | Plasma composite burner and ceramic kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222698241.0U CN218209567U (en) | 2022-10-13 | 2022-10-13 | Plasma composite burner and ceramic kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218209567U true CN218209567U (en) | 2023-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222698241.0U Active CN218209567U (en) | 2022-10-13 | 2022-10-13 | Plasma composite burner and ceramic kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218209567U (en) |
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2022
- 2022-10-13 CN CN202222698241.0U patent/CN218209567U/en active Active
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