CN219976434U - Dual-fluid fuel plasma nuclear energy and chemical energy composite burner - Google Patents

Abstract

The utility model provides a dual-fluid fuel plasma nuclear energy and chemical energy composite burner, and relates to the technical field of fluid fuel composite combustion. The device comprises a combustion torch, a high-voltage nozzle and a multiphase plasma generation electrode assembly, wherein fuel is injected through the high-voltage nozzle, and ionization ignition is performed under the action of a high-voltage alternating non-uniform high-frequency arc in the area of the multiphase plasma generation electrode assembly; the gas phase/liquid phase fuel suspension enters an electric arc area from a combustion torch through a fuel feeding pipe, is cracked, ionized and ignited, and fully combusts chemical energy and nuclear energy generated in an electric arc electric field area to be combined together under the action of secondary air at the periphery of the combustion torch, and simultaneously releases the chemical energy, so that the release amount of the nuclear energy is increased, the consumption of fossil fuel is reduced, and the effects of energy conservation and emission reduction are achieved.

Description

Dual-fluid fuel plasma nuclear energy and chemical energy composite burner

Technical Field

The utility model relates to the technical field of double-fluid fuel composite combustion, in particular to a double-fluid fuel plasma nuclear energy and chemical energy composite combustor.

Background

The industrial large-scale burner (torch) is mainly applied to the aspects of industrial heating furnaces, metallurgical smelting equipment, various boilers, large-scale ignition special industries and the like. The single power is typically over 1000KW (1 MW) and sometimes even over 10 MW. It is common for such combustion devices to use a single fuel, or fuel or gas. However, the flame temperature is insufficient, the fuel cannot be completely combusted, the main combustion flame temperature is generally lower than 1900 ℃, oxygen-enriched gas is needed to replace air in order to raise the flame combustion temperature, and the temperature is difficult to exceed 2200 ℃.

In order to raise the flame temperature of fuel oil and gas, the utilization of plasma combustion-supporting technology, such as the technology of plasma arc auxiliary fuel oil excitation in the aspect of fuel oil of an aircraft engine, is gradually considered.

With the publication and release of "fossil fuel plasma nuclear chemical energy composite combustion works" - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -5-to-5-to-29-0) ISBN 978-7-5646-5429-0, a single fuel plasma composite burner, for example, an "one oxygen flame composite torch" of the utility model patent 202111355023.0, "a single fuel plasma composite burner, has been developed and used in succession, and saved by 10% -50% of fossil fuel. However, larger combustors for coupled combustion of dual fluid fuels, such as coal water slurry-coal fines, heavy oil-coal fines, oil/gas-biomass fines, etc., have not been presented, and have not been able to save fossil fuel usage more efficiently.

In view of the shortcomings of the prior art, it is necessary to provide a dual fluid fuel plasma nuclear and chemical energy hybrid combustor that solves the problems set forth in the background art.

Disclosure of Invention

The utility model aims to provide a dual-fluid fuel plasma nuclear energy and chemical energy composite burner which can solve the defects in the prior art, and the chemical energy and the nuclear energy generated in an electric arc field area are fully compositely combusted and released simultaneously, so that the release amount of the nuclear energy can be improved, and the use amount of fossil fuel is greatly reduced.

The embodiment of the utility model provides a dual-fluid fuel plasma nuclear energy and chemical energy composite burner, which comprises a combustion torch, a high-pressure nozzle and a multi-phase plasma generation electrode assembly, wherein the high-pressure nozzle is connected to the center of the bottom end of the combustion torch;

the combustion torch comprises a fuel conveying double-layer shell and a secondary air shell, and the secondary air shell is connected to the outer side wall of the fuel conveying double-layer shell in a staggered manner; the fuel conveying double-layer shell comprises a combustion chamber of an inner layer and a fuel suspension atomization chamber formed between the combustion chamber and an outer layer, the high-pressure nozzle and multiphase plasma generating electrode assembly is arranged in the combustion chamber, the lower part of the outer side wall of the fuel conveying double-layer shell is connected with a fuel feeding pipe and a primary air pipe, the primary air pipe is arranged on the fuel feeding pipe, and the fuel feeding pipe and the primary air pipe are communicated with the fuel suspension atomization chamber;

the secondary air chamber is formed between the secondary air shell and the outer side wall of the fuel conveying double-layer shell, the lower part of the outer side wall of the secondary air shell is connected with a secondary air pipe, and the secondary air pipe is communicated with the secondary air chamber.

In some embodiments of the present utility model, a connection plate is disposed at the bottom of the fuel delivery double-layer casing, the fuel suspension atomization chamber is located above the connection plate, a purge electrode bellows is formed between the outer side wall of the connection plate and the casing of the fuel delivery double-layer casing, and a plurality of uniformly distributed purge air holes are further formed on the connection plate.

In some embodiments of the utility model, an electrode assembly purging air pipe is connected to the lower part of the outer side wall of the fuel conveying double-layer shell, the electrode assembly purging air pipe is communicated with the purging electrode bellows, and the purging electrode bellows is communicated with the combustion chamber through the purging air hole.

In some embodiments of the present utility model, the front end of the inner wall of the suspension atomization chamber is shorter than the front end of the outer wall of the suspension atomization chamber, the front end of the inner wall of the suspension atomization chamber is provided with a plurality of fuel distributing holes along the circumference thereof, and the front end of the outer wall of the suspension atomization chamber is provided with a necking conical ring.

In some embodiments of the present utility model, a plurality of cyclone plates are arranged at the front end of the inner wall of the secondary air shell.

In some embodiments of the present utility model, the high pressure nozzle includes a nozzle body and a nozzle cover, the outer side wall of the nozzle cover is provided with an external thread, the lower part of the external thread is connected to the inner wall of the top opening of the nozzle body, and the upper part of the external thread is connected to the central hole formed by the connecting plate;

the nozzle body is internally provided with a nozzle cone, a fuel channel is arranged in the nozzle cone, the bottom of the nozzle body is provided with a fuel inlet pipe, and the fuel inlet pipe is communicated with the fuel channel; the fuel channel comprises a conical channel, a nozzle straight pipe section and a diffusion conical nozzle which are sequentially communicated from bottom to top;

the nozzle cover is internally provided with a conical hole, the nozzle cone penetrates through the conical hole and forms a high-pressure air cavity with the inner wall of the conical hole, the bottom of the nozzle main body is also provided with a primary air high-pressure air inlet pipe, and the primary air high-pressure air inlet pipe is communicated with the high-pressure air cavity.

In some embodiments of the utility model, the fuel inlet pipe is provided with an auxiliary inlet pipe.

In some embodiments of the utility model, a pressure test communication pipe is further provided at the bottom of the nozzle body, the pressure test communication pipe being in communication with the high pressure air chamber.

In some embodiments of the utility model, the nozzle cover top is provided with two fastening holes.

In some embodiments of the present utility model, the multiphase plasma generating electrode assembly is composed of a plurality of electrodes, each of the electrodes includes an electrode rod, an electrode insulation protection sleeve and an electrode tip, the electrode insulation protection sleeve is disposed outside the electrode rod, the electrode tip is disposed through the top end of the electrode rod, wherein the electrode tip is located in the combustion chamber, and the electrode is disposed through the bottom of the fuel delivery double-layer shell through the electrode insulation protection sleeve.

In some embodiments of the present utility model, the electrode tip is made of any one of a high-melting-point heat-resistant metal material and a conductive ceramic material, and the middle part of the electrode tip is hollow, and the shape of the electrode tip is a non-cylindrical streamline body.

In some embodiments of the utility model, the spacing of each electrode head is 2mm-10mm, the electrode phase voltage is 600V-20000V, and the frequency is 50Hz-20000Hz.

Compared with the prior art, the embodiment of the utility model has at least the following advantages or beneficial effects:

the high-pressure plasma generating electrode assembly is arranged at the bottom of the combustion torch in a penetrating way and distributed on the periphery of the high-pressure nozzle; the combustion torch comprises a fuel conveying double-layer shell and a secondary air shell, and the secondary air shell is connected to the outer side wall of the fuel conveying double-layer shell in a staggered manner; the fuel conveying double-layer shell comprises a combustion chamber of an inner layer and a fuel suspension atomization chamber formed between the combustion chamber and an outer layer, the high-pressure nozzle and multiphase plasma generating electrode assembly is arranged in the combustion chamber, the lower part of the outer side wall of the fuel conveying double-layer shell is connected with a fuel feeding pipe and a primary air pipe, the primary air pipe is arranged on the fuel feeding pipe, and the fuel feeding pipe and the primary air pipe are communicated with the fuel suspension atomization chamber; the secondary air chamber is formed between the secondary air shell and the outer side wall of the fuel conveying double-layer shell, the lower part of the outer side wall of the secondary air shell is connected with a secondary air pipe, and the secondary air pipe is communicated with the secondary air chamber. Injecting fuel through a high-voltage nozzle, and ionizing and igniting under the action of a high-voltage alternating nonuniform high-frequency arc in the area of the multiphase plasma generating electrode assembly; the gas phase/liquid phase fuel suspension enters an electric arc area from a combustion torch through a fuel feeding pipe, is cracked, ionized and ignited, and fully combusts chemical energy and nuclear energy generated in an electric arc electric field area to be combined together under the action of secondary air at the periphery of the combustion torch, and simultaneously releases the chemical energy, so that the release amount of the nuclear energy is increased, the consumption of fossil fuel is reduced, and the effects of energy conservation and emission reduction are achieved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of a dual fluid fuel plasma nuclear and chemical energy hybrid combustor in accordance with an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of a dual fluid fuel plasma nuclear and chemical energy hybrid combustor in accordance with an embodiment of the present utility model;

FIG. 3 is a schematic view of a high pressure nozzle according to an embodiment of the present utility model;

FIG. 4 is a cross-sectional view of a high pressure nozzle in an embodiment of the utility model;

fig. 5 is a schematic structural diagram of a multiphase plasma generating electrode assembly according to an embodiment of the present utility model.

Reference numerals: 100. a combustion torch; 110. a fuel delivery double-layer housing; 111. a fuel feed pipe; 112. a primary air duct; 113. a connecting plate; 1131. purging the air holes; 114. the electrode assembly sweeps the air pipe; 115. a fuel split aperture; 116. a necking conical ring; 120. a secondary air housing; 121. a secondary air duct; 122. a rotational flow wind plate; 130. a combustion chamber; 140. a fuel suspension atomization chamber; 150. a secondary air chamber; 160. purging the electrode bellows; 170. a compressed air sealing plate; 200. a high pressure nozzle; 210. a nozzle body; 211. a nozzle cone; 2111. a tapered channel; 2112. a nozzle straight tube section; 2113. a diverging conical nozzle; 212. a fuel inlet pipe; 213. an auxiliary access tube; 214. a pressure test communicating pipe; 215. primary air high-pressure air inlet pipe; 220. a nozzle cover; 221. a fastening hole; 230. a high pressure air chamber; 300. a multiphase plasma generating electrode assembly; 310. an electrode rod; 320. an electrode insulation protective sleeve; 330. an electrode head; 400. and (5) connecting the flanges.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-5, a schematic structural diagram of a dual fluid fuel plasma nuclear and chemical energy hybrid combustor in accordance with an embodiment of the present utility model is shown;

a dual fluid fuel plasma nuclear and chemical energy composite burner specifically comprises: the high-pressure nozzle 200 is connected to the center of the bottom end of the combustion torch 100, and the multiphase plasma generating electrode assembly 300 is arranged at the bottom of the combustion torch 100 in a penetrating manner, and is distributed on the periphery of the high-pressure nozzle 200;

the combustion torch 100 comprises a fuel conveying double-layer shell 110 and a secondary air shell 120, wherein the secondary air shell 120 is connected to the outer side wall of the fuel conveying double-layer shell 110 in a staggered manner; the fuel delivery double-layer shell 110 comprises a combustion chamber 130 of an inner layer and a fuel suspension atomization chamber 140 formed between the combustion chamber 130 and an outer layer, a high-pressure nozzle 200 and a multiphase plasma generating electrode assembly 300 are arranged in the combustion chamber 130, a fuel feeding pipe 111 and a primary air pipe 112 are connected to the lower part of the outer side wall of the fuel delivery double-layer shell 110, the primary air pipe 112 is arranged on the fuel feeding pipe 111, and the fuel feeding pipe 111 and the primary air pipe 112 are communicated with the fuel suspension atomization chamber 140;

a secondary air chamber 150 is formed between the secondary air casing 120 and the outer side wall of the fuel delivery double-layer casing 110, and a secondary air pipe 121 is connected to the lower part of the outer side wall of the secondary air casing 120, and the secondary air pipe 121 communicates with the secondary air chamber 150.

Next, a dual fluid fuel plasma nuclear and chemical energy composite burner according to the present exemplary embodiment will be further described.

In one embodiment of the present embodiment, the combustion torch 100 includes a fuel-transporting double-layer housing 110 and a secondary air housing 120, the secondary air housing 120 is connected to an outer side wall of the fuel-transporting double-layer housing 110 in a staggered manner, and is positioned above the fuel-transporting double-layer housing 110, i.e., forms the combustion torch 100 with a thinner lower part and a thicker upper part, and a connecting flange 400 is provided at an outer side of the secondary air housing 120 for connecting to an external device; the fuel transporting double-layer shell 110 comprises a combustion chamber 130 of an inner layer and a fuel suspending atomization chamber 140 formed between the combustion chamber 130 and an outer layer, a high-pressure nozzle 200 and a multi-phase plasma generating electrode assembly 300 are arranged in the combustion chamber 130, a first fuel enters the combustion chamber 130 to generate ionization combustion, a fuel feeding pipe 111 and a primary air pipe 112 are connected to the lower part of the outer side wall of the fuel transporting double-layer shell 110, the primary air pipe 112 is arranged on the fuel feeding pipe 111, the fuel feeding pipe 111 and the primary air pipe 112 are communicated with the fuel suspending atomization chamber 140, and a second fuel enters from the fuel feeding pipe 111 and is accelerated to be fed into the fuel suspending atomization chamber 140 under the action of the primary air pipe 112; the bottom of the fuel transporting double-layer shell 110 is provided with a connecting plate 113, the connecting plate 113 is provided with a central hole and a plurality of connecting holes, the central hole is used for being connected with the high-pressure nozzle 200, the plurality of connecting holes are used for being connected with the multiphase plasma generating electrode assembly 300, the fuel suspending atomization chamber 140 is positioned above the connecting plate 113, the bottom of the connecting plate 113 is provided with a compressed air sealing plate 170, and the compressed air sealing plate 170 is used for sealing the combustion chamber 130; a secondary air chamber 150 is formed between the secondary air casing 120 and the outer side wall of the fuel delivery double-layer casing 110, the lower part of the outer side wall of the secondary air casing 120 is connected with a secondary air pipe 121, the secondary air pipe 121 is communicated with the secondary air chamber 150, namely, after the secondary air high-pressure air fed by the secondary air pipe 121 enters the secondary air chamber 150, the secondary air moves upwards in the secondary air chamber, the flow velocity and the oxygen content are increased under the action of the secondary air, and the full combustion chemical energy and the nuclear energy generated by the electric arc field area are combined together to realize complete combustion and release simultaneously.

As an example, a purge electrode bellows 160 is formed between the outer side wall of the connecting plate 113 and the outer shell of the fuel conveying double-layer casing 110, a plurality of purge air holes 1131 are uniformly formed in the connecting plate 113, an electrode assembly purge air pipe 114 is connected to the lower portion of the outer side wall of the fuel conveying double-layer casing 110, the electrode assembly purge air pipe 114 is communicated with the purge electrode bellows 160, and the purge electrode bellows 160 is communicated with the combustion chamber 130 through the purge air holes 1131. Air is blown into the purge electrode bellows 160 through the electrode assembly purge air duct 114, and is discharged into the combustion chamber 130 through the purge air holes 1131, so that the arc generated by the booster multi-phase plasma generating electrode assembly 300 moves upward to accelerate the mixing with the fuel.

As an example, the front end of the side wall of the fuel suspension atomization chamber 140 is provided with a plurality of fuel diversion holes 115 along the circumference thereof, when the second fuel enters the fuel suspension atomization chamber 140 and moves upwards, a part of the second fuel is blown into the combustion chamber 130 from the fuel diversion holes 115, is ignited by the plasma arc to be gasified and burned, and then another part of the second fuel enters the combustion chamber 130 to be ignited in two stages, so that the explosion is easier to ignite, thereby realizing the complete combustion.

As an example, the front end of the outer wall of the suspension atomizer chamber is provided with a necking cone 116, and the necking cone 116 is used for changing the concentration of the powdery/liquid phase fuel so that the concentration becomes larger when reaching the front end of the suspension atomizer chamber, so as to realize complete combustion.

As an example, a plurality of swirl baffles 122 are provided at the front end of the inner wall of the secondary air case 120. The swirl air plates 122 are welded with the inner wall of the secondary air shell 120, and a plurality of swirl air plates 122 are arranged to enable secondary air to form swirl air at the position, so that on one hand, the fact that combustion flame in the combustion chamber 130 is extinguished due to direct-current air is avoided, and on the other hand, the swirl air moving upwards can enable combustion to be more sufficient, and combustion stability is improved.

In one implementation manner of this embodiment, the high-pressure nozzle 200 includes a nozzle body 210 and a nozzle cover 220, an outer side wall of the nozzle cover 220 is provided with an external thread, a lower portion of the external thread is screwed to an inner wall of a top opening of the nozzle body 210, and an upper portion of the external thread is screwed to a central hole formed in the connection plate 113; the nozzle body 210 is provided with a nozzle cone 211, a fuel channel is arranged in the nozzle cone 211, the bottom of the nozzle body 210 is provided with a fuel inlet pipe 212, the fuel inlet pipe 212 is communicated with the fuel channel, specifically, the fuel channel comprises a conical channel 2111, a nozzle straight pipe section 2112 and a diffusion conical nozzle 2113 which are sequentially communicated from bottom to top, the diameter of the nozzle straight pipe section 2112 is far smaller than the outer diameters of the conical channel 2111 and the diffusion conical nozzle 2113, so that when the fuel passes through the nozzle straight pipe section 2112, the fuel is mechanically compressed, the cross section area is reduced, the pressure is increased, and the first fuel is atomized and then sprayed out of the diffusion conical nozzle 2113; the nozzle cover 220 is provided with a tapered hole, the nozzle cone 211 is disposed in the tapered hole in a penetrating manner, and a high-pressure air chamber 230 is formed between the nozzle cone and the inner wall of the tapered hole, the bottom of the nozzle body 210 is further provided with a primary air high-pressure air inlet pipe 215, the primary air high-pressure air inlet pipe 215 is communicated with the high-pressure air chamber 230, high-pressure air is blown into the primary air high-pressure air inlet pipe 215, and is discharged upwards through the high-pressure air chamber 230 to be mixed with fuel, so that the fuel is further dispersed under a larger pressure, the fuel atomization effect is better, and the fuel can be fully mixed.

It should be noted that, the area of the high-pressure air chamber 230 gradually decreases from bottom to top, that is, the gap between the top of the nozzle cone 211 and the top of the conical hole is smaller, so that the primary air high-pressure air has larger pressure, strong pressure and strong scattering when being discharged; two fastening holes 221 are formed at the top of the nozzle cover 220, and after the two fastening holes 221 are inserted and locked by a tool, a rotating force is applied to the nozzle cover 220 to drive the nozzle cover 220 to rotate, so that the nozzle cover 220 moves upwards or downwards, and the gap can be changed, thereby changing the primary air pressure, that is, when the nozzle cover 220 moves downwards, the gap gradually decreases, the pressure increases, and when the nozzle cover 220 rotates upwards, the gap gradually increases, and the pressure decreases. Specifically, the gap can be adjusted by a distance of 0.5mm-2mm, the fuel pressure is 0.1-0.5MPa, and the primary air pressure is 0.3-0.6MPa.

The fuel injected from the nozzle body 210 is one or a mixture of gas phase and liquid phase fuel, and the fuel feed pipe 111 of the combustion torch 100 is one or a mixture of wind-loaded solid powder fuel and liquid phase fuel.

Further, the fuel inlet pipe 212 is provided with an auxiliary inlet pipe 213, and forms a Y-shaped fuel pipe together with the fuel inlet pipe 212. When the fuel is liquid fuel, the fuel can be directly delivered into the combustion chamber 130 at high pressure through the external pump body, but when the fuel is gas-phase fuel, the fuel does not have enough pressure, and at the moment, high-pressure air can be introduced through the auxiliary inlet pipe 213 to pressurize the delivery of the fuel, so that the flow rate and the pressure are improved, and the later mixing efficiency is improved.

As an example, the bottom of the nozzle body 210 is further provided with a pressure test communication pipe 214, the pressure test communication pipe 214 is in communication with the high pressure air chamber 230, and the bottom of the pressure test communication pipe 214 is provided with threads, and the pressure inside the high pressure air chamber 230 can be detected in real time by being in threaded connection with the pressure sensor, so that the pressure inside the controller varies.

In one implementation manner of this embodiment, the multiphase plasma generating electrode assembly 300 is composed of a plurality of electrodes, specifically, an integer multiple of "3" multiphase electrodes, in this embodiment, each electrode is preferably a six-phase electrode, and each electrode includes an electrode rod 310, an electrode insulation protection sleeve 320 and an electrode tip 330, the electrode insulation protection sleeve 320 is disposed outside the electrode rod 310, the electrode tip 330 is disposed through the top end of the electrode rod 310, where the electrode tip 330 is disposed in the combustion chamber 130, the electrode is disposed through the electrode insulation protection sleeve 320 at the bottom of the fuel conveying double-layer casing 110, and the electrode assembly is tightly disposed between two fluid fuels, that is, both fuels are in a non-uniform alternating high-voltage electric field formed by the electrode assembly, so as to form a plasma region, that is, one fuel can ionize under a high-voltage alternating non-uniform high-frequency arc, and is fully compositely combusted with the other fuel, so as to release nuclear energy.

Specifically, the interval of each electrode head 330 is 2mm-10mm, the electrode phase voltage is 600V-20000V, and the frequency is 50Hz-20000Hz, so that the burner can work in a larger power range, and the applicability is good.

As an example, the electrode tip 330 is made of any one of a high-melting-point heat-resistant metal material and a conductive ceramic material, and has a non-cylindrical streamline shape, and the middle of the electrode tip 330 is hollow, allowing any one of air cooling and water cooling.

Example 1

When in use, the plasma power supply is firstly turned on, after the multiphase plasma arc is spontaneous, a proper amount of wind-loaded pulverized coal is fed from the fuel feed pipe 111 of the combustion torch 100, and the pulverized coal is ignited by the plasma arc to be gasified and combusted. In the process, pulverized coal is gasified and decomposed and is plasmatized together with air steam, wherein trace deuterium and tritium plasmatized atomic nuclei are subjected to collision fusion under the action of a non-uniform high-frequency alternating high-voltage electric field, nuclear energy is released, and therefore chemical energy and nuclear energy are combined to burn under the excitation of the plasmas. In order to reduce tail gas pollutants, the high-pressure nozzle 200 in the center of the burner is opened, the water-coal slurry with water content of 40%wt is sprayed along with high-pressure air of 0.3-0.5MPa through a spraying hole with the diameter of 2.5mm, the gap between the nozzle cover 220 and the high-pressure nozzle 200 is 0.8mm, the included angle of 25 degrees is formed, the flow is 180kg/h, and the water-coal slurry is ionized and ignited in a plasma sliding arc. The steam also participates in the water gas reaction in the composite combustion process, the use of the water-coal slurry replaces part of coal dust, harmful substances in tail gas can be effectively reduced by combustion, and the release of nuclear energy is reduced by 10% -20% of coal consumption, so that the effects of energy conservation and emission reduction are achieved.

Example 2

In the embodiment 1, the coal water slurry is replaced by diesel oil or natural gas, the coal powder is replaced by solid organic dangerous waste ground powdery materials, and the burner can be used as a burner for rapidly treating organic solid waste.

Example 3

In example 2, the air can be replaced by oxygen-enriched or industrial oxygen, so that the burner can greatly improve the flame temperature and can be used for smelting waste metals and the like.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (12)

1. The dual-fluid fuel plasma nuclear energy and chemical energy composite burner is characterized by comprising a combustion torch, a high-pressure nozzle and a multi-phase plasma generation electrode assembly, wherein the high-pressure nozzle is connected to the center of the bottom end of the combustion torch, and the multi-phase plasma generation electrode assembly penetrates through the bottom of the combustion torch and is distributed on the periphery of the high-pressure nozzle;

the combustion torch comprises a fuel conveying double-layer shell and a secondary air shell, and the secondary air shell is connected to the outer side wall of the fuel conveying double-layer shell in a staggered manner; the fuel conveying double-layer shell comprises a combustion chamber of an inner layer and a fuel suspension atomization chamber formed between the combustion chamber and an outer layer, the high-pressure nozzle and multiphase plasma generating electrode assembly is arranged in the combustion chamber, the lower part of the outer side wall of the fuel conveying double-layer shell is connected with a fuel feeding pipe and a primary air pipe, the primary air pipe is arranged on the fuel feeding pipe, and the fuel feeding pipe and the primary air pipe are communicated with the fuel suspension atomization chamber;

the secondary air chamber is formed between the secondary air shell and the outer side wall of the fuel conveying double-layer shell, the lower part of the outer side wall of the secondary air shell is connected with a secondary air pipe, and the secondary air pipe is communicated with the secondary air chamber.

2. The dual-fluid fuel plasma nuclear and chemical energy composite burner of claim 1, wherein a connecting plate is arranged at the bottom of the fuel conveying double-layer shell, the fuel suspension atomizing chamber is positioned above the connecting plate, a purge electrode bellows is formed between the outer side wall of the connecting plate and the shell of the fuel conveying double-layer shell, and a plurality of uniformly distributed purge air holes are further formed in the connecting plate.

3. The dual fluid fuel plasma nuclear and chemical energy composite burner of claim 2, wherein an electrode assembly purge air pipe is connected to the lower portion of the outer side wall of the fuel delivery double-layer shell, the electrode assembly purge air pipe is communicated with the purge electrode bellows, and the purge electrode bellows is communicated with the combustion chamber through the purge air hole.

4. The dual fluid fuel plasma nuclear and chemical energy composite burner of claim 1, wherein the front end of the inner wall of the suspension atomization chamber is shorter than the front end of the outer wall of the suspension atomization chamber, the front end of the inner wall of the suspension atomization chamber is provided with a plurality of fuel diversion holes along the circumference thereof, and the front end of the outer wall of the suspension atomization chamber is provided with a necking conical ring.

5. The dual fluid fuel plasma nuclear and chemical energy composite burner of claim 1, wherein a plurality of swirl plates are provided at the front end of the inner wall of the secondary air casing.

6. The dual fluid fuel plasma nuclear and chemical energy composite burner of claim 2, wherein the high pressure nozzle comprises a nozzle body and a nozzle cover, the outer side wall of the nozzle cover is provided with external threads, the lower part of the external threads are connected with the inner wall of the top opening of the nozzle body, and the upper part of the external threads are connected with the central hole formed in the connecting plate;

the nozzle body is internally provided with a nozzle cone, a fuel channel is arranged in the nozzle cone, the bottom of the nozzle body is provided with a fuel inlet pipe, and the fuel inlet pipe is communicated with the fuel channel; the fuel channel comprises a conical channel, a nozzle straight pipe section and a diffusion conical nozzle which are sequentially communicated from bottom to top;

the nozzle cover is internally provided with a conical hole, the nozzle cone penetrates through the conical hole and forms a high-pressure air cavity with the inner wall of the conical hole, the bottom of the nozzle main body is also provided with a primary air high-pressure air inlet pipe, and the primary air high-pressure air inlet pipe is communicated with the high-pressure air cavity.

7. The dual fluid fuel plasma nuclear and chemical energy composite burner of claim 6, wherein the fuel inlet tube is provided with an auxiliary inlet tube.

8. The dual fluid fuel plasma nuclear and chemical energy composite burner of claim 6, wherein the bottom of the nozzle body is further provided with a pressure test communication pipe, which communicates with the high pressure air chamber.

9. The dual fluid fuel plasma nuclear and chemical energy composite burner of claim 6, wherein the nozzle cover top is provided with two fastening holes.

10. The dual fluid fuel plasma nuclear and chemical energy composite burner of claim 1, wherein the multi-phase plasma generating electrode assembly is comprised of a plurality of electrodes, each of the electrodes comprising an electrode rod, an electrode insulation protective sleeve and an electrode tip, the electrode insulation protective sleeve being disposed outside the electrode rod, the electrode tip being disposed through the top end of the electrode rod, wherein the electrode tip is disposed within the combustion chamber, the electrode being disposed through the electrode insulation protective sleeve at the bottom of the fuel delivery double-layer housing.

11. The dual fluid fuel plasma nuclear and chemical energy composite burner of claim 10, wherein the electrode tip is made of any one of a high-melting-point heat-resistant metal material and a conductive ceramic material, and the middle part of the electrode tip is hollow and has a non-cylindrical streamline shape.

12. The dual fluid fuel plasma nuclear and chemical energy composite burner of claim 10, wherein the spacing of each electrode tip is 2mm-10mm, the electrode phase voltage is 600V-20000V, and the frequency is 50Hz-20000Hz.