CN117948610A - Shock wave device, shock wave gasification burner and combustion method - Google Patents
Shock wave device, shock wave gasification burner and combustion method Download PDFInfo
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- CN117948610A CN117948610A CN202410323031.4A CN202410323031A CN117948610A CN 117948610 A CN117948610 A CN 117948610A CN 202410323031 A CN202410323031 A CN 202410323031A CN 117948610 A CN117948610 A CN 117948610A
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- Prior art keywords
- shock wave
- cylindrical cyclone
- inlet pipeline
- phase change
- cyclone
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- 230000035939 shock Effects 0.000 title claims abstract description 94
- 238000002309 gasification Methods 0.000 title claims abstract description 44
- 238000009841 combustion method Methods 0.000 title abstract description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 75
- 239000007788 liquid Substances 0.000 claims abstract description 69
- 239000000446 fuel Substances 0.000 claims abstract description 65
- 239000000203 mixture Substances 0.000 claims abstract description 36
- 238000002485 combustion reaction Methods 0.000 claims abstract description 19
- 239000002245 particle Substances 0.000 claims abstract description 11
- 239000006096 absorbing agent Substances 0.000 claims description 34
- 238000005192 partition Methods 0.000 claims description 9
- 238000005507 spraying Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 230000001012 protector Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 8
- 239000000295 fuel oil Substances 0.000 abstract description 4
- 239000002737 fuel gas Substances 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 20
- 238000000889 atomisation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K5/00—Feeding or distributing other fuel to combustion apparatus
- F23K5/02—Liquid fuel
- F23K5/14—Details thereof
- F23K5/22—Vaporising devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K5/00—Feeding or distributing other fuel to combustion apparatus
- F23K5/02—Liquid fuel
- F23K5/14—Details thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K5/00—Feeding or distributing other fuel to combustion apparatus
- F23K5/02—Liquid fuel
- F23K5/14—Details thereof
- F23K5/20—Preheating devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
The invention relates to the technical field of combustors, in particular to a shock wave device, a shock wave gasification combustor and a combustion method, wherein the shock wave gasification combustor comprises a phase change device, a shock wave device, a cylindrical cyclone and an external fire sleeve, the phase change device is provided with a liquid inlet and an exhaust port, the liquid inlet is used for inputting liquid fuel, the exhaust port is used for exhausting gaseous fuel gasified by the phase change device, the shock wave device is provided with an air inlet pipeline and a liquid inlet pipeline, the gaseous fuel entering the shock wave device through the air inlet pipeline collides with the liquid fuel entering the shock wave device through the liquid inlet pipeline, one end of the cylindrical cyclone is provided with a reducing part, the outer side of the cylindrical cyclone is provided with a plurality of swirl holes which are obliquely arranged along the circumferential direction, and the shock wave device is arranged at the other end of the cylindrical cyclone. The invention utilizes the collision of methanol gas and liquid fuel in the shock wave device to form the combustible mixture of fuel gas and fuel oil particles, realizes the full combustion of fuel and can be applied to high-power use scenes.
Description
Technical Field
The invention relates to the technical field of combustors, in particular to a shock wave device, a shock wave gasification combustor and a combustion method.
Background
When the liquid fuel is combusted, the liquid fuel is generally required to be converted into a gaseous state for full combustion and convenient control, and the liquid fuel is generally atomized by adopting an atomization technology, such as a pressure atomization technology, a mechanical atomization technology and the like.
Accordingly, there is a need for improvements over the prior art.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems of the prior art, and it is therefore an object of one aspect of the present invention to provide a shock absorber that facilitates the conversion of liquid fuel into a gaseous state.
Another aspect of the invention is directed to: the shock wave gasifying burner has high combustion effect and is suitable for high power condition.
It is an object of yet another aspect of the present invention to provide a shock wave gasification combustion method.
In order to achieve the above purpose, according to one aspect of the present invention, there is provided a shock absorber, including a shock absorber body, one end of the shock absorber body is provided with an air inlet pipeline and a liquid inlet pipeline, the air inlet pipeline is used for connecting a gaseous fuel pipeline, the liquid inlet pipeline is used for connecting a liquid fuel pipeline, the other end of the shock absorber body is provided with a discharge port communicated with the air inlet pipeline and the liquid inlet pipeline, and an included angle is formed between the air inlet pipeline and the discharge direction of the liquid inlet pipeline.
According to the shock wave device provided by the invention, the methanol gas is utilized to collide with the liquid fuel to form the combustible mixture of particles and the methanol gas, and a large amount of liquid fuel can be micronized by a small amount of methanol.
Preferably, the liquid inlet pipeline comprises n oil delivery pipes uniformly distributed along the circumferential direction of the shock absorber body, the rear ends of the n oil delivery pipes are communicated with an annular buffer cavity, the annular buffer cavity is communicated with the discharge port through an annular gap, the liquid inlet pipeline and the annular gap are coaxially arranged, and the diameter of one end of the liquid inlet pipeline communicated with the discharge port is smaller than the diameter of the discharge port.
In another aspect, the present invention provides a shock wave gasification burner comprising any one of the shock wave devices described above, and:
the phase change device is provided with a liquid inlet and an exhaust port, the liquid inlet is used for inputting liquid fuel, the exhaust port is used for exhausting gaseous fuel gasified by the phase change device, and the air inlet pipeline is communicated with the exhaust port of the phase change device;
The cyclone device comprises a cylindrical cyclone, wherein one end of the cylindrical cyclone is provided with a reducing part, the outer side of the cylindrical cyclone is provided with a plurality of swirl holes along the circumferential direction, the swirl holes are obliquely arranged, the shock absorber is arranged at the other end of the cylindrical cyclone, the diameter of a discharge hole of a shock absorber body is smaller than that of the other end of the cylindrical cyclone, and the reducing part of the cylindrical cyclone is provided with an igniter;
the liquid inlet pipeline is connected with a bypass oil pipe, and gaseous fuel entering the shock absorber body through the air inlet pipeline collides with liquid fuel entering the shock absorber body through the liquid inlet pipeline.
The combustible mixture output by the shock wave device body is mixed by the cylindrical cyclone and combusted after being distributed with air, so that the full combustion of fuel and the application of high-power scenes can be realized.
Preferably, the cyclone burner further comprises an outer fire sleeve, wherein the outer fire sleeve is arranged on the outer side of the cylindrical cyclone, one end of the outer fire sleeve is a combustion end, and a gap is arranged between the cylindrical cyclone and the outer fire sleeve.
In order to facilitate air supply to the swirl holes, a baffle plate is arranged between the cylindrical cyclone and the outer fire sleeve, and the baffle plate is positioned between the swirl holes and the reducing part.
In order to reduce the methanol gasification cost, the device further comprises a preheating gasification pipe, the preheating gasification pipe is arranged at the position, close to the diameter-changing part, of the cylindrical cyclone, one end of the preheating gasification pipe is connected with a shock wave oil conveying pipe, and the other end of the preheating gasification pipe is communicated with a liquid inlet of the phase change device.
Preferably, a flameout protector is arranged in the cylindrical cyclone, a fan is arranged at the other end of the outer fire sleeve, and air is supplied through the fan.
In order to ensure the effect of three times of air distribution, the partition plate is provided with an air distribution hole, the air distribution hole is communicated with the combustion end, and the opening size of the air distribution hole is adjustable.
Preferably, the device further comprises a controller, and the igniter, the fan and the phase change device are all connected with the controller.
In still another aspect, the present invention provides a shock wave gasification combustion method, which adopts any one of the shock wave gasification combustion machines, and further includes:
S1, inputting methanol into a liquid inlet of a phase change device by utilizing a shock wave oil pipeline, converting the methanol into gaseous fuel through the phase change device, sequentially conveying the gaseous fuel to a shock wave device body and a cylindrical cyclone through an exhaust port, igniting an igniter, and preheating a system by burning the gaseous fuel;
S2, inputting liquid fuel by the bypass oil pipe, wherein the liquid fuel and the gaseous fuel collide in the shock absorber body to form particles, the particles and the gaseous fuel are mixed to form a combustible mixture, then the combustible mixture is sent into the cylindrical cyclone at a high speed, the diameter of the feeding end of the cylindrical cyclone is larger than that of the discharging hole of the shock absorber body, and the combustible mixture is diffused and expanded at the discharging hole of the shock absorber body to perform primary air distribution; the preheating gasification pipe is used for preheating and gasifying methanol input by the shock wave oil conveying pipe;
S3, carrying out secondary air distribution on the combustible mixture at the cyclone holes, and uniformly mixing under the action of cyclone air; when the combustible mixture reaches the reducing part, the combustible mixture is cracked and gasified again by conduction heat in the cylindrical cyclone, and then is ignited to be sprayed out from the reducing part;
S4, spraying the flame at the variable diameter part into the outer fire sleeve at high speed and high temperature, and realizing three air distribution through the air distribution holes due to the fact that the diameter of the outer fire sleeve is increased.
Compared with the prior art, the invention has the following beneficial effects:
1. The invention utilizes the collision of methanol gas and liquid fuel oil in a shock wave device to form a combustible mixture of methanol gas and fuel oil particles, so as to realize the full combustion of fuel oil; the atomization of a large amount of liquid fuel can be realized by a small amount of methanol, and the method can be applied to high-power use scenes.
2. The invention is provided with the cylindrical cyclone, and the combustible mixture of methanol gas and fuel particles is uniformly mixed in the cylindrical cyclone, so that the burnout rate is improved, and the invention is more environment-friendly.
3. According to the invention, the preheating gasification pipe is arranged in the cylindrical cyclone, and the methanol is preheated by the preheating gasification pipe, so that the power requirement on the phase change device can be reduced, and the use cost is saved.
Drawings
The following detailed description of the invention will be given with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of a shock wave device;
FIG. 2 is a schematic view of a shock wave gasification burner;
FIG. 3 is a schematic diagram of a swirl hole arrangement.
In the figure: the device comprises a 1-phase change device, a 101-liquid inlet, a 102-exhaust outlet, a 2-shock absorber body, a 201-air inlet pipeline, a 202-liquid inlet pipeline, a 203-discharge outlet, a 204-oil delivery pipe, a 205-annular buffer cavity, a 206-annular gap, a 3-bypass oil pipe, a 4-cylindrical cyclone, a 401-diameter-changing part, a 402-swirl hole, a 5-external fire sleeve, a 501-partition plate, a 502-air distribution hole, a 6-preheating gasification pipe, a 7-igniter, an 8-shock oil delivery pipe and a 9-flameout protector.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
As shown in fig. 1, a shock absorber comprises a shock absorber body 2, one end of the shock absorber body 2 is provided with an air inlet pipeline 201 and a liquid inlet pipeline 202, the air inlet pipeline 201 is used for connecting a gaseous fuel pipeline, the liquid inlet pipeline 202 is used for connecting a liquid fuel pipeline, the other end of the shock absorber body 2 is provided with a discharge port 203 communicated with the air inlet pipeline 201 and the liquid inlet pipeline 202, the liquid inlet pipeline 202 comprises n oil delivery pipes 204 uniformly distributed along the circumferential direction of the shock absorber body 2, n is an integer greater than or equal to 1, the rear ends of the n oil delivery pipes 204 are communicated with an annular buffer cavity 205, the annular buffer cavity 205 is communicated with the discharge port 203 through an annular gap 206, the annular gap 206 is in a round table shape, the large end of the annular gap 206 is communicated with the annular buffer cavity 205, and the small end of the annular gap 206 is communicated with the discharge port 203. The liquid outlet direction of the annular gap 206 and the air outlet direction of the air inlet pipeline 201 have an included angle theta, and the included angle theta satisfies 0 < theta <90 degrees, preferably 45 degrees.
The air inlet pipeline 201 and the annular gap 206 are coaxially arranged, the diameter of one end, communicated with the discharge port 203, of the air inlet pipeline 201 is smaller than the diameter of the discharge port 203, and negative pressure can be generated at the position during operation.
The liquid fuel enters the annular buffer cavity 205 through the oil delivery pipe 204, is discharged through the annular gap 206, and the methanol fuel gas input through the air inlet pipeline 201 collides with the liquid fuel discharged through the annular gap 206 to form a combustible mixture of methanol gas and fuel particles, so that a large amount of liquid fuel can be micronized by a small amount of methanol, and the fuel can be fully combusted conveniently.
Embodiment two:
As shown in fig. 1 to 3, a shock wave gasification burner, a phase change device 1, a cylindrical cyclone 4, an external flame sleeve 5 and a shock wave device as described in embodiment 1, wherein the phase change device 1 is provided with a liquid inlet 101 and an exhaust port 102, the liquid inlet 101 is used for inputting liquid fuel, the phase change device 1 converts the input liquid fuel into gaseous fuel, the exhaust port 102 is used for exhausting the gaseous fuel gasified by the phase change device 1, and the phase change device 1 is of the prior art, for example, a prior methanol gasifier is used.
The air inlet pipeline 201 of the shock absorber body 2 is communicated with the air outlet 102 of the phase change device 1, the liquid inlet pipeline 202 is connected with the bypass oil pipe 3, the bypass oil pipe 3 is used for supplying liquid fuel, the gaseous fuel entering the shock absorber body 2 through the air inlet pipeline 201 collides with the liquid fuel entering the shock absorber body 2 through the liquid inlet pipeline 202, so that the liquid fuel is micronized, and a combustible mixture of particulates and methanol gas is formed.
One end of the cylindrical cyclone 4 is provided with a reducing part 401, the shock absorber is arranged at the other end of the cylindrical cyclone 4, the diameter of a discharge hole 203 of the shock absorber body 2 is smaller than that of the other end of the cylindrical cyclone 4, the combustible mixture output by the shock absorber body 2 is subjected to primary air mixing at the discharge hole 203 of the shock absorber body 2, a plurality of swirl holes 402 are circumferentially arranged at the outer side of the cylindrical cyclone 4, the swirl holes 402 are obliquely arranged along the same swirl direction, and preferably, the included angle between the axis of the swirl hole 402 and the normal line of the cylindrical cyclone 4 is 45 degrees, and the combustible mixture reaches the swirl hole 402 to carry out secondary air mixing.
The outer fire sleeve 5 is arranged outside the cylindrical cyclone 4, a gap through which air can pass is arranged between the cylindrical cyclone 4 and the outer fire sleeve 5, one end of the outer fire sleeve 5 is a combustion end, the other end of the outer fire sleeve 5 is provided with a fan, and the air is supplied to the cylindrical cyclone 4 and the outer fire sleeve 5 through the fan.
In order to ensure the normal operation of the cylindrical cyclone 4 and improve the secondary air mixing effect, a partition plate 501 is arranged between the cylindrical cyclone 4 and the outer fire sleeve 5, the partition plate 501 is positioned between the swirl hole 402 and the variable diameter part 401, air entering through between the cylindrical cyclone 4 and the outer fire sleeve 5 enters the swirl hole 402 under the barrier of the partition plate 501, swirl air is formed in the cylindrical cyclone 4, and combustible mixture in the cylindrical cyclone 4 is uniformly mixed and distributed.
The diameter-variable part 401 of the cylindrical cyclone 4 is provided with an igniter 7, the cylindrical cyclone 4 is internally provided with a flameout protector 9, the combustible mixture entering the diameter-variable part 401 is gasified and cracked again by conduction heat in the cylindrical cyclone 4 because the diameter-variable part 401 is close to the combustion end of the outer fire sleeve 5, and is sprayed out at a high speed and high temperature after being ignited by the igniter 7, and the diameter of the outer fire sleeve 5 is larger than that of the diameter-variable part 401, so that the combustible mixture is diffused and expanded at the position to realize three times of air mixing, and the fuel is fully combusted.
In order to improve the effect of tertiary air mixing, an air distribution hole 502 is formed in the partition plate 501, the air distribution hole 502 is communicated with the combustion end, and air is supplied through the air distribution hole 502. Preferably, the opening size of the air distribution holes 502 is adjustable.
The igniter 7, the fan and the phase change device 1 are all connected with a controller and controlled by the controller.
Embodiment III:
on the basis of embodiment 2, the embodiment further comprises a preheating gasification pipe 6, the preheating gasification pipe 6 is arranged at the position of the cylindrical cyclone 4 close to the variable diameter part 401, fuel in the preheating gasification pipe 6 is preheated by utilizing heat released by combustion of a combustion end, one end of the preheating gasification pipe 6 is connected with a shock wave oil delivery pipe 8, and the other end of the preheating gasification pipe 6 is communicated with a liquid inlet 101 of the phase change device 1. The methanol input by the shock wave oil delivery pipe 8 firstly passes through the preheating gasification pipe 6 and then enters the phase change device 1 after being preheated, so that the power of the phase change device 1 can be reduced, and the use cost is reduced.
Embodiment four:
a method of shock wave gasification combustion comprising a shock wave gasification combustor of embodiment 2 or embodiment 3, further comprising:
S1, inputting methanol into a liquid inlet 101 of a phase change device 1 by using a shock wave oil pipeline 8, converting the methanol into gaseous fuel by the phase change device 1, sequentially conveying the gaseous fuel to a shock absorber body 2 and a cylindrical cyclone 4 through an exhaust port 102, igniting an igniter 7, and burning the gaseous fuel for preheating.
S2, inputting liquid fuel by the bypass oil pipe 3, wherein the liquid fuel and the gaseous fuel collide in the shock absorber body 2 to form particles, the particles and the gaseous fuel are mixed to form a combustible mixture, then the combustible mixture is sent into the cylindrical cyclone 4 at a high speed, the diameter of the cylindrical cyclone 4 is larger than the diameter of the discharge port 203 of the shock absorber body 2, and the combustible mixture is diffused and expanded at the discharge port 203 of the shock absorber body 2 to perform primary air distribution; the preheating gasification pipe 6 can preheat and gasify the methanol input by the shock wave oil pipeline 8, thereby reducing the use requirement on the phase change device 1 and reducing the use cost.
And S3, carrying out secondary air distribution on the combustible mixture at the swirl holes 402, uniformly mixing the combustible mixture under the action of swirl air, and when the combustible mixture reaches the variable diameter part 401, conducting heat in the cylindrical cyclone 4 to crack and gasify the combustible mixture again, igniting the combustible mixture to burn, and spraying the combustible mixture from the variable diameter part 401.
S4, spraying the flame of the variable diameter part 401 into the outer fire sleeve 5 at a high speed and high temperature, and realizing three air distribution through the air distribution holes 502 to realize full combustion as the diameter of the outer fire sleeve 5 is enlarged.
The preferred embodiments of the present invention have been described in detail, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention, and the various changes are included in the scope of the present invention.
Claims (10)
1. A shock wave device, characterized in that: including shock wave ware body (2), shock wave ware body (2) one end is provided with air inlet pipeline (201) and feed liquor pipeline (202), and air inlet pipeline (201) are used for connecting gaseous fuel pipeline, and feed liquor pipeline (202) are used for connecting liquid fuel pipeline, and shock wave ware body (2) other end is provided with discharge gate (203) with air inlet pipeline (201), feed liquor pipeline (202) intercommunication, and air inlet pipeline (201) have the contained angle with the ejection of compact direction of feed liquor pipeline (202).
2. A shock wave generator according to claim 1, wherein: the liquid inlet pipeline (202) comprises n oil delivery pipes (204) uniformly distributed along the circumference of the shock absorber body (2), the rear ends of the n oil delivery pipes (204) are communicated with an annular buffer cavity (205), the annular buffer cavity (205) is communicated with a discharge hole (203) through an annular gap (206), the air inlet pipeline (201) is coaxially arranged with the annular gap (206), and the diameter of one end of the air inlet pipeline (201) communicated with the discharge hole (203) is smaller than that of the discharge hole (203).
3. A shock wave gasification burner comprising a shock wave device as defined in any one of claims 1 or 2, and
The phase change device (1), the phase change device (1) is provided with a liquid inlet (101) and an exhaust port (102), the liquid inlet (101) is used for inputting liquid fuel, the exhaust port (102) is used for exhausting gaseous fuel gasified by the phase change device (1), and the air inlet pipeline (201) is communicated with the exhaust port (102) of the phase change device (1);
The cyclone device comprises a cylindrical cyclone (4), wherein one end of the cylindrical cyclone (4) is provided with a variable diameter part (401), a plurality of cyclone holes (402) are formed in the outer side of the cylindrical cyclone (4) along the circumferential direction, the cyclone holes (402) are obliquely formed, the shock wave device is arranged at the other end of the cylindrical cyclone (4), the diameter of a discharge hole (203) of a shock wave device body (2) is smaller than the diameter of the other end of the cylindrical cyclone (4), and an igniter (7) is arranged at the variable diameter part (401) of the cylindrical cyclone (4);
The liquid inlet pipeline (202) is connected with a bypass oil pipe (3), and gaseous fuel entering the shock wave device through the air inlet pipeline (201) collides with liquid fuel entering the shock wave device through the liquid inlet pipeline (202).
4. A shock wave gasification burner according to claim 3 wherein: the combustion device further comprises an outer fire sleeve (5), wherein the outer fire sleeve (5) is arranged on the outer side of the cylindrical cyclone (4), one end of the outer fire sleeve (5) is a combustion end, and a gap is formed between the cylindrical cyclone (4) and the outer fire sleeve (5).
5. A shock wave gasification burner according to claim 4 wherein: a partition plate (501) is arranged between the cylindrical cyclone (4) and the external fire sleeve (5), and the partition plate (501) is positioned between the cyclone hole (402) and the reducing part (401).
6. A shock wave gasification burner according to claim 5 wherein: the device further comprises a preheating gasification pipe (6), the preheating gasification pipe (6) is arranged at the position, close to the diameter-changing part (401), of the cylindrical cyclone (4), one end of the preheating gasification pipe (6) is connected with a shock wave oil conveying pipe (8), and the other end of the preheating gasification pipe (6) is communicated with a liquid inlet (101) of the phase change device (1).
7. A shock wave gasification burner according to claim 4 wherein: a flameout protector (9) is arranged in the cylindrical cyclone (4), and a fan is arranged at the other end of the outer fire sleeve (5).
8. A shock wave gasification burner according to claim 6 wherein: the air distribution device is characterized in that an air distribution hole (502) is formed in the partition plate (501), the air distribution hole (502) is communicated with the combustion end, and the opening size of the air distribution hole (502) is adjustable.
9. A shock wave gasification burner according to claim 8 wherein: the device also comprises a controller, and the igniter (7), the fan and the phase change device (1) are all connected with the controller.
10. A method of shock gasification combustion employing a shock gasification burner according to any one of claims 6 to 9, comprising:
s1, inputting methanol into a liquid inlet (101) of a phase change device (1) by using a shock wave oil pipeline (8), converting the methanol into gaseous fuel by the phase change device (1), sequentially conveying the gaseous fuel to a shock wave device body (2) and a cylindrical cyclone (4) through an exhaust port (102), igniting an igniter (7), and preheating the gaseous fuel by burning;
S2, inputting liquid fuel by the bypass oil pipe (3), wherein the liquid fuel and the gaseous fuel collide in the shock absorber body (2) to form particles, the particles and the gaseous fuel are mixed to form a combustible mixture, then the combustible mixture is sent into the cylindrical cyclone (4) at a high speed, the diameter of the feeding end of the cylindrical cyclone (4) is larger than that of the discharging hole (203) of the shock absorber body (2), and the combustible mixture is diffused and expanded at the discharging hole (203) of the shock absorber body (2) to perform primary air distribution; the preheating gasification pipe (6) carries out preheating gasification on methanol input by the shock wave oil pipeline (8);
S3, carrying out secondary air distribution on the combustible mixture at the swirl holes (402), uniformly mixing the combustible mixture under the action of swirl air, and when the combustible mixture reaches the variable diameter part (401), conducting heat in the cylindrical cyclone (4) to crack and gasify the combustible mixture again, igniting the combustible mixture and spraying the combustible mixture from the variable diameter part (401);
s4, spraying the flame of the diameter-changing part (401) into the outer fire sleeve (5) at a high speed and high temperature, and realizing three air distribution through the air distribution holes (502) because the diameter of the outer fire sleeve (5) is increased.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202410323031.4A CN117948610B (en) | 2024-03-21 | 2024-03-21 | Shock wave device, shock wave gasification burner and combustion method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410323031.4A CN117948610B (en) | 2024-03-21 | 2024-03-21 | Shock wave device, shock wave gasification burner and combustion method |
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| CN117948610A true CN117948610A (en) | 2024-04-30 |
| CN117948610B CN117948610B (en) | 2024-06-18 |
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