CN116772573A - Plasma gas heating furnace - Google Patents
Plasma gas heating furnace Download PDFInfo
- Publication number
- CN116772573A CN116772573A CN202310732006.7A CN202310732006A CN116772573A CN 116772573 A CN116772573 A CN 116772573A CN 202310732006 A CN202310732006 A CN 202310732006A CN 116772573 A CN116772573 A CN 116772573A
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- Prior art keywords
- furnace
- furnace body
- gas
- inner cylinder
- cylinder
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 72
- 238000002955 isolation Methods 0.000 claims description 8
- 239000007789 gas Substances 0.000 abstract description 104
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract description 16
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract description 8
- 239000001569 carbon dioxide Substances 0.000 abstract description 8
- 239000002803 fossil fuel Substances 0.000 abstract description 7
- 239000011261 inert gas Substances 0.000 abstract description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 4
- 239000003546 flue gas Substances 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 7
- 239000002184 metal Substances 0.000 description 5
- 239000011449 brick Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000009991 scouring Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910000851 Alloy steel Inorganic materials 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 229910052593 corundum Inorganic materials 0.000 description 2
- 239000010431 corundum Substances 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000008092 positive effect Effects 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- -1 electronics Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces ; Tank furnaces
- F27B3/08—Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces ; Tank furnaces heated electrically, with or without any other source of heat
- F27B3/085—Arc furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces ; Tank furnaces
- F27B3/10—Details, accessories or equipment, e.g. dust-collectors, specially adapted for hearth-type furnaces
- F27B3/20—Arrangements of heating devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Details (AREA)
Abstract
The application discloses a plasma gas heating furnace, which relates to the technical field of heating furnaces, wherein the heating furnace is of an inner sleeve structure and an outer sleeve structure, and the plasma gas heating furnace comprises: the furnace body inner cylinder is a plasma gas channel, and a gas outlet is arranged on the furnace body inner cylinder; the furnace body outer cylinder is a working gas channel and sleeved on the outer side of the furnace body inner cylinder, and is communicated with the furnace body inner cylinder; the arc plasma torch is arranged at one end of the inner cylinder of the furnace body, which is far away from the air outlet; and the air inlet assembly is communicated with the furnace body outer cylinder and is used for introducing working gas into the furnace body outer cylinder. The high-temperature plasma jet is sprayed into the furnace body by adopting the arc plasma torch and is mixed with the working gas introduced from the air inlet component to form target gas, so that the high-temperature inert gas heated by electric energy is used for replacing high-temperature flue gas generated by burning fossil fuel, a heat source is provided for an industrial furnace, and nearly zero carbon dioxide emission in the whole heating process is realized.
Description
Technical Field
The application relates to the technical field of heating furnaces, in particular to a plasma gas heating furnace.
Background
The heating furnace is applied to various industries such as petroleum, chemical industry, metallurgy, machinery, heat treatment, surface treatment, building materials, electronics, materials, light industry, daily chemicals, pharmacy and the like. At present, a heating furnace in the oil refining and chemical industry is conventionally heated by burning fossil fuel, and a large amount of carbon dioxide emission can be generated in the fossil fuel burning process, so that the requirement of carbon dioxide emission reduction can not be met.
If the electric power is used for replacing the traditional fossil fuel gas in the heating process, the emission of carbon dioxide can be greatly reduced, but the heating furnace in the refining industry has the characteristics of large total power, high hearth temperature, large medium treatment capacity and long-term stability, and the existing electric heating device is difficult to meet the characteristics of the heating furnace.
Disclosure of Invention
The application aims to provide a plasma gas heating furnace, which solves the technical problems that an electric heating device is difficult to meet the requirements of large total power, high furnace temperature, large medium treatment capacity and long-term stability of the heating furnace to a certain extent.
In order to solve the technical problems, the application adopts the following technical scheme:
a first aspect of an embodiment of the present application provides a plasma gas heating furnace, the heating furnace having an inner and outer sleeve structure, the plasma gas heating furnace comprising: the furnace body inner cylinder is a plasma gas channel, and a gas outlet is arranged on the furnace body inner cylinder; the furnace body outer cylinder is a working gas channel and sleeved on the outer side of the furnace body inner cylinder, and is communicated with the furnace body inner cylinder; the arc plasma torch is arranged at one end of the inner cylinder of the furnace body, which is far away from the air outlet; the air inlet assembly is arranged on the furnace body outer cylinder and communicated with the furnace body outer cylinder and is used for introducing working gas into the furnace body outer cylinder.
In some embodiments, the furnace inner cylinder is provided with a plurality of rows of through holes which are staggered and communicated with the furnace outer cylinder.
In some embodiments, the apertures of the rows of through holes are progressively increased from the arc plasma torch toward the gas outlet.
In some embodiments, the heating furnace further comprises an adjusting cylinder, the adjusting cylinder is movably sleeved on the inner cylinder of the furnace body, and the aperture of the through hole is slidably adjusted on the outer wall of the inner cylinder of the furnace body through the adjusting cylinder.
In some embodiments, a first mounting plate is disposed at an end of the inner barrel of the furnace body away from the air outlet, and at least one arc plasma torch is disposed on the first mounting plate.
In some embodiments, an isolation unit is provided on the arc plasma torch for a quick seal with the first mounting plate when the arc plasma torch is removed or installed in-line.
In some embodiments, a second mounting plate is arranged at one end of the furnace outer cylinder corresponding to the first mounting plate, and the air inlet assembly is arranged on the second mounting plate and comprises at least one air inlet.
In some embodiments, the number of gas inlets is 3 or more, the gas inlets being evenly distributed circumferentially around the arc plasma torch.
In some embodiments, the inner cylinder of the furnace body is a cylinder at the low-temperature gas heating section, the outer cylinder of the furnace body is a cone, and the diameter of the cone is gradually reduced from the air inlet component to the air outlet.
In some embodiments, the cone angle of the cone is 0 ° to 60 °.
In some embodiments, at least one temperature sensing unit is arranged on the inner cylinder of the furnace body in an adhering manner at the air outlet.
According to the technical scheme, the application has at least the following advantages and positive effects:
according to the plasma gas heating furnace, high-temperature plasma jet is sprayed into the furnace body by adopting the arc plasma torch, and is mixed with working gas introduced from the air inlet component to form target gas, so that high-temperature inert gas heated by electric energy is used for replacing high-temperature flue gas generated by burning fossil fuel, a heat source is provided for the industrial furnace, and nearly zero carbon dioxide emission in the whole heating process is realized; meanwhile, working gas is introduced into the inner cylinder of the furnace body, so that on one hand, the temperature of the inner cylinder of the furnace body is reduced through heat conduction, and on the other hand, a flowing working gas film layer is formed on the wall of the inner cylinder of the furnace body in a distributed manner, so that the inner cylinder of the furnace body is prevented from being washed by high-temperature plasma jet flow, the inner cylinder of the furnace body is prevented from being burnt out, and the service life and the safety of equipment are improved. In addition, the working gas is introduced into the inner cylinder of the furnace body in a grading manner, so that the mixing distance of cold and hot gas can be shortened, and the temperature uniformity of outlet gas can be ensured.
The plasma gas heating furnace generates uniform high-temperature gas through the arc plasma torch, has the characteristics of high power, high heating temperature, real-time adjustment and continuous and stable operation, and can be used as a heat source of various industrial furnaces; meanwhile, the plasma gas heating furnace has strong applicability and large power adjusting range, realizes temperature adjustment and gas volume adjustment of high-temperature gas, can provide partial or all heat sources for the industrial furnace, and meets the process requirements of the industrial furnace.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a plasma gas heating furnace according to an embodiment;
FIG. 2 is a cross-sectional view of a plasma gas heating furnace according to an embodiment;
FIG. 3 is a schematic view of a furnace inner barrel of a plasma gas heating furnace according to an embodiment;
FIG. 4 is a schematic view of an installation of a plasma gas heating furnace with 1 arc plasma torch according to an embodiment;
FIG. 5 is a schematic installation view of a plasma gas heating furnace with 2 arc plasma torches according to an embodiment;
FIG. 6 is a schematic installation view of a plasma gas heating furnace with 3 arc plasma torches according to an embodiment;
fig. 7 is an installation schematic of a plasma gas heating furnace provided with 4 arc plasma torches according to an embodiment.
The reference numerals are explained as follows: 1. an arc plasma torch; 2. an air inlet; 3. a first mounting plate; 4. an outer cylinder of the furnace body; 5. an inner cylinder of the furnace body; 6. a temperature sensing unit; 7. an air outlet; 8. an isolation unit; 9. second mounting panel, 10, adjustment section of thick bamboo.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", or a third "may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
Please refer to fig. 1 and 2.
Fig. 1 is a schematic structural view of a plasma gas heating furnace according to an embodiment of the present application, and fig. 2 is a sectional view of a plasma gas heating furnace according to an embodiment of the present application, as shown in the drawing, the heating furnace has an inner and outer sleeve structure, and the plasma gas heating furnace includes: the furnace body inner cylinder 5 is a plasma gas channel, and a gas outlet 7 is arranged on the furnace body inner cylinder 5; the furnace body outer cylinder 4 is a working gas passage and is sleeved on the outer side of the furnace body inner cylinder 5, and the furnace body outer cylinder 4 is communicated with the furnace body inner cylinder 5; the arc plasma torch 1 is arranged at one end of the furnace body inner cylinder 5, which is far away from the air outlet 7; the air inlet assembly is arranged on the furnace body outer cylinder 4 and communicated with each other and is used for introducing working gas into the furnace body outer cylinder 4. The arc plasma torch 1 is adopted to spray high-temperature plasma jet into the furnace body, and the high-temperature plasma jet is mixed with working gas introduced from the air inlet component to form target gas, so that high-temperature inert gas heated by electric energy is used for replacing high-temperature flue gas generated by burning fossil fuel, a heat source is provided for an industrial furnace, and nearly zero carbon dioxide emission in the whole heating process is realized; meanwhile, working gas is introduced into the furnace inner cylinder 5, and flowing working gas film layers are formed on the wall of the furnace inner cylinder 5, so that on one hand, the temperature of the furnace inner cylinder 5 is reduced, on the other hand, the low furnace inner cylinder 5 is prevented from being washed by high-temperature plasma jet flow, the furnace inner cylinder 5 is prevented from being burnt out, and the service life and safety of equipment are improved. The arc plasma torch 1 generates uniform high-temperature gas, has the characteristics of high power and high heating temperature, can be adjusted in real time and continuously and stably works, and can be used as a heat source of various industrial furnaces; meanwhile, the plasma gas heating furnace has strong applicability and large power adjusting range, realizes temperature adjustment and gas volume adjustment of high-temperature gas, can provide partial or all heat sources for the industrial furnace, and meets the process requirements of the industrial furnace.
Please refer to fig. 3.
In some embodiments, the furnace inner cylinder 5 is provided with a plurality of rows of staggered circumferential through holes, and the working gas is introduced into the furnace inner cylinder 5 in a grading manner through the through holes of each row after being introduced into the furnace outer cylinder 4. In the specific implementation process of the embodiment, the working gas enters the furnace body outer cylinder through the gas inlet 2, and the through holes are longitudinally arranged, so that the working gas firstly enters the furnace body inner cylinder 5 from one side close to the gas inlet 2, and then sequentially enters the furnace body inner cylinder from the through holes passing through each row, the working gas is led into the furnace body inner cylinder 5 in a grading manner, the mixing distance between the working gas and the high-temperature plasma jet can be shortened, and meanwhile, the temperature uniformity of target gas sprayed out from the gas outlet 7 is ensured; the staggered arrangement of the rows of through holes can ensure that working gas enters the furnace inner cylinder 5 from different positions and ensure that the working gas and high-temperature plasma jet are fully mixed; working gas enters the furnace inner cylinder 5 through each through hole, and flowing working gas film layers are formed on the wall of the furnace inner cylinder 5 in a distributed mode, so that on one hand, the temperature of the furnace inner cylinder 5 is reduced, on the other hand, the low furnace inner cylinder 5 is prevented from being flushed by high-temperature plasma jet flow, the furnace inner cylinder 5 is prevented from being burnt out, and the service life and safety of equipment are improved. The number and the size of the communication holes of the furnace inner barrel 5 are determined according to the actual gas quantity and the power of the heating furnace, so that the gas flow rate is ensured to be in a reasonable range.
In some embodiments, the apertures of the through holes of each row are gradually increased from the arc plasma torch 1 to the air outlet direction. In the specific implementation process of this embodiment, the working gas enters the furnace inner cylinder 5 from the side close to the air inlet 2, the air flow pressure on the side close to the air inlet 2 is high, the air flow pressure on the side close to the air outlet 7 is low, the aperture of each row of through holes is gradually increased, the same air inflow of each through hole can be ensured, and the working gas uniformly enters the furnace inner cylinder through each through hole.
In some embodiments, a first mounting plate 3 is disposed at an end of the inner furnace cylinder 5 away from the air outlet 7, and at least one arc plasma torch 1 is disposed on the first mounting plate 3. The electric arc plasma torches 1 with different numbers can be arranged on the first mounting plate 3 according to the power of the required end of the heating furnace, and the heating furnace can adjust the power of the plasma gas heating furnace, the temperature of the outlet gas and the flow in real time by adjusting the output power of the electric arc plasma torch 1 and the air inflow of working gas.
In some embodiments, the heating furnace further comprises an adjusting cylinder 10, the adjusting cylinder 10 is movably sleeved on the inner furnace cylinder 5, and the aperture of the through hole is slidably adjusted on the outer wall of the inner furnace cylinder 5 through the adjusting cylinder.
In some embodiments, an isolation unit 8 is provided on the arc plasma torch 1, and the isolation unit 8 is provided at a connection part between the arc plasma torch 1 and the first mounting plate 3, so as to realize quick sealing between the arc plasma torch and the first mounting plate when the arc plasma torch is dismounted or mounted on line. The isolation unit 8 can be used for detaching or installing the single arc plasma torch 1 on line under the condition of no furnace shutdown; when on-line replacement is needed, a single arc plasma torch 1 is replaced on line through the isolation unit 8, other arc plasma torches work normally, the temperature in the furnace inner barrel 5 can be guaranteed to be in a normal state, gas backflow in the heating furnace caused by the fact that all arc plasma torches stop working is prevented, and after maintenance is completed, the arc plasma torches 1 are restarted through the isolation assembly 8.
In some embodiments, the power of the arc plasma torch 1 is 100KW to 10MW.
Please refer to fig. 2.
In some embodiments, a second mounting plate 9 is disposed at one end of the furnace outer cylinder 4 corresponding to the first mounting plate 3, the air inlet assembly includes an air inlet 2, one end of the air inlet 2 is connected to the second mounting plate 9, and the other end of the air inlet 2 is connected to a source of working gas. In the specific implementation process of this embodiment, the four air inlets 2 are disposed, and the four air inlets 2 are annularly distributed around the arc plasma torch 1, and the working gas is introduced through different positions, so that the working gas is ensured to enter the inner cylinder of the furnace body from different angles, and then is fully mixed with the high-temperature plasma jet.
In some embodiments, the working gas may be one of nitrogen, carbon dioxide and inert gas or a mixed gas, and the working temperature is 0 ℃ to 500 ℃.
In some embodiments, the inner furnace cylinder 5 is a cylinder at the low-temperature gas heating section, the outer furnace cylinder 4 is a cone, the diameter of the cone is gradually reduced from the air inlet component to the air outlet direction, the cone angle of the outer furnace cylinder 4 is 0-60 degrees, and the working gas enters the inner furnace cylinder 5 through the conical surface of the outer furnace cylinder 4, so that the working gas passing through the inner furnace cylinder 5 is ensured to be uniformly distributed.
In some embodiments, at least one temperature sensing unit 6 is arranged on the inner cylinder 5 of the furnace body in an adhering manner at the air outlet, and the temperature sensing unit 6 is a thermocouple, and the thermocouple is used for detecting the temperature of the high-temperature gas. The thermocouple is used for detecting the temperature of the high-temperature gas, and the outlet temperature and the flow of the high-temperature gas can be controlled by adjusting the power of the arc plasma torch 1 and the air inflow of the working gas, so that the temperature control requirement of the industrial furnace can be better met.
In some embodiments, a metal cylinder liner is arranged at one end of the furnace inner cylinder 5 near the air outlet 7, and the metal cylinder liner is made of high-alumina bricks or corundum bricks. The requirements of high temperature resistance and scouring resistance of the air outlet 7 are met through the metal cylinder lining.
In some embodiments, the furnace outer cylinder 4 is provided with a heat insulation layer, so that heat dissipation loss in the furnace outer cylinder 4 is reduced through the heat insulation layer, and the heat efficiency of the plasma gas heating furnace is improved.
In some embodiments, the furnace outer cylinder 4 is made of carbon steel or one of low alloy steel and high alloy steel. The specific material selection of the furnace body outer cylinder 4 can be determined by the heating temperature required to be reached by the heating furnace.
In some embodiments, a lining layer formed by compounding one high temperature resistant material or a plurality of high temperature resistant materials is arranged in the furnace inner barrel 5. The lining layer meets the requirements of high temperature resistance and scouring resistance of the inner cylinder 5 of the furnace body.
In some embodiments, the air outlet 7 is provided with a metal cylinder liner made of high alumina bricks or corundum bricks. The requirements of high temperature resistance and scouring resistance of the air outlet 7 are met through the metal cylinder lining.
Please refer to fig. 4-7;
fig. 4 is a schematic installation view of 1 arc plasma torch 1 provided on the first mounting plate 3 in the present embodiment, and fig. 5 is a schematic installation view of 2 arc plasma torches 1 provided on the first mounting plate 3; fig. 6 is a schematic installation view of 3 arc plasma torches 1 arranged on a first installation plate 3; fig. 7 is a schematic installation view of arranging 4 arc plasma torches 1 on the first installation plate 3, and arranging different numbers of arc plasma torches 1 on the first installation plate 3 according to the required end power of the heating furnace to control the heating temperature of the heating furnace.
According to the technical scheme, the application has at least the following advantages and positive effects:
according to the plasma gas heating furnace, high-temperature plasma jet is sprayed into the furnace body by adopting the arc plasma torch, and is mixed with working gas introduced from the air inlet component to form target gas, so that high-temperature inert gas heated by electric energy is used for replacing high-temperature flue gas generated by burning fossil fuel, a heat source is provided for the industrial furnace, and nearly zero carbon dioxide emission in the whole heating process is realized; meanwhile, working gas is introduced into the inner cylinder of the furnace body, so that on one hand, the temperature of the inner cylinder of the furnace body is reduced through heat conduction, and on the other hand, a flowing working gas film layer is formed on the wall of the inner cylinder of the furnace body in a distributed manner, so that the inner cylinder of the furnace body is prevented from being washed by high-temperature plasma jet flow, the inner cylinder of the furnace body is prevented from being burnt out, and the service life and the safety of equipment are improved. In addition, the working gas is introduced into the inner cylinder of the furnace body in a grading manner, so that the mixing distance of cold and hot gas can be shortened, and the temperature uniformity of outlet gas can be ensured.
The plasma gas heating furnace generates uniform high-temperature gas through the arc plasma torch, has the characteristics of high power, high heating temperature, real-time adjustment and continuous and stable operation, and can be used as a heat source of various industrial furnaces; meanwhile, the plasma gas heating furnace has strong applicability and large power adjusting range, realizes temperature adjustment and gas volume adjustment of high-temperature gas, can provide partial or all heat sources for the industrial furnace, and meets the process requirements of the industrial furnace.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present application should be included in the scope of the present application. Therefore, the protection scope of the application is subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a plasma gas heating furnace which characterized in that, the heating furnace is inside and outside sleeve structure, plasma gas heating furnace includes:
the furnace body inner cylinder is a plasma gas channel, and a gas outlet is arranged on the furnace body inner cylinder;
the furnace body outer cylinder is a working gas channel and sleeved on the outer side of the furnace body inner cylinder, and is communicated with the furnace body inner cylinder;
the arc plasma torch is arranged at one end of the inner cylinder of the furnace body, which is far away from the air outlet;
and the air inlet assembly is communicated with the furnace body outer cylinder and is used for introducing working gas into the furnace body outer cylinder.
2. The plasma gas heating furnace according to claim 1, wherein the furnace inner cylinder is provided with a plurality of rows of through holes which are staggered and communicated with the furnace outer cylinder.
3. The plasma gas heating furnace according to claim 2, wherein the hole diameters of the through holes of the respective rows are gradually increased from the arc plasma torch toward the gas outlet.
4. The plasma gas heating furnace according to claim 2, further comprising an adjusting cylinder movably sleeved on the inner cylinder of the furnace body, wherein the aperture of the through hole is slidably adjusted on the outer wall of the inner cylinder of the furnace body through the adjusting cylinder.
5. The plasma gas heating furnace of claim 1, wherein a first mounting plate is disposed at an end of the furnace inner barrel away from the gas outlet, and at least one arc plasma torch is disposed on the first mounting plate.
6. The plasma gas heating furnace of claim 5, wherein an isolation unit is provided on the arc plasma torch for a quick seal with the first mounting plate when the arc plasma torch is removed or installed in-line.
7. The plasma gas heating furnace according to claim 5, wherein a second mounting plate is arranged at one end of the furnace body outer cylinder corresponding to the first mounting plate, the air inlet assembly is arranged on the second mounting plate, and the air inlet assembly comprises at least one air inlet.
8. The plasma gas heating furnace of claim 7, wherein the number of gas inlets is 3 or more, the gas inlets being evenly distributed circumferentially around the arc plasma torch.
9. The plasma gas heating furnace according to claim 1, wherein the furnace inner cylinder is a cylinder at the low temperature gas heating section, the furnace outer cylinder is a cone, and the diameter of the cone is gradually reduced from the gas inlet assembly to the gas outlet.
10. The plasma gas heating furnace according to claim 1, wherein the furnace inner tube is provided with at least one temperature sensing unit at the gas outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310732006.7A CN116772573A (en) | 2023-06-20 | 2023-06-20 | Plasma gas heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310732006.7A CN116772573A (en) | 2023-06-20 | 2023-06-20 | Plasma gas heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116772573A true CN116772573A (en) | 2023-09-19 |
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ID=87990812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310732006.7A Pending CN116772573A (en) | 2023-06-20 | 2023-06-20 | Plasma gas heating furnace |
Country Status (1)
| Country | Link |
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| CN (1) | CN116772573A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117704810A (en) * | 2023-12-08 | 2024-03-15 | 北京碳源领航环保科技有限公司 | Heat source supply device |
| CN117704347A (en) * | 2023-12-08 | 2024-03-15 | 北京碳源领航环保科技有限公司 | boiler system |
-
2023
- 2023-06-20 CN CN202310732006.7A patent/CN116772573A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117704810A (en) * | 2023-12-08 | 2024-03-15 | 北京碳源领航环保科技有限公司 | Heat source supply device |
| CN117704347A (en) * | 2023-12-08 | 2024-03-15 | 北京碳源领航环保科技有限公司 | boiler system |
| CN117704810B (en) * | 2023-12-08 | 2025-02-21 | 北京碳源领航环保科技有限公司 | Heat source supply device |
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