CN107044638B - Gas-liquid dual-purpose burner - Google Patents
Gas-liquid dual-purpose burner Download PDFInfo
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- CN107044638B CN107044638B CN201710452578.4A CN201710452578A CN107044638B CN 107044638 B CN107044638 B CN 107044638B CN 201710452578 A CN201710452578 A CN 201710452578A CN 107044638 B CN107044638 B CN 107044638B
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- air inlet
- outer cover
- gas
- pressing
- assembly
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- 239000007788 liquid Substances 0.000 title claims abstract description 38
- 239000000446 fuel Substances 0.000 claims abstract description 52
- 239000000779 smoke Substances 0.000 claims abstract description 51
- 239000011521 glass Substances 0.000 claims abstract description 34
- 230000006835 compression Effects 0.000 claims abstract description 15
- 238000007906 compression Methods 0.000 claims abstract description 15
- 238000002485 combustion reaction Methods 0.000 claims description 17
- 238000001514 detection method Methods 0.000 claims description 17
- 238000005192 partition Methods 0.000 claims description 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 5
- 230000009977 dual effect Effects 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 2
- 239000006260 foam Substances 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 description 17
- 238000007599 discharging Methods 0.000 description 9
- 230000003287 optical effect Effects 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001499 laser induced fluorescence spectroscopy Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000004071 soot Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D17/00—Burners for combustion conjointly or alternatively of gaseous or liquid or pulverulent fuel
- F23D17/002—Burners for combustion conjointly or alternatively of gaseous or liquid or pulverulent fuel gaseous or liquid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2204/00—Burners adapted for simultaneous or alternative combustion having more than one fuel supply
- F23D2204/10—Burners adapted for simultaneous or alternative combustion having more than one fuel supply gaseous and liquid fuel
-
- 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)
- Control Of Combustion (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses a gas-liquid dual-purpose burner which comprises a bottom plate, an air inlet assembly, an outer cover and a smoke exhaust barrel, wherein a motor and a screw rod are arranged on the bottom plate, the motor is connected with the screw rod, the air inlet assembly is arranged on an air inlet assembly support, the air inlet assembly comprises a fuel air inlet pipe, an air inlet sleeve and a combustion-supporting gas inlet, a porous medium layer and a rectifying ball are arranged in the air inlet sleeve, the outer cover is arranged on the outer cover support, glass is arranged on the side surface of the outer cover, the smoke exhaust barrel is arranged at the top of the outer cover through a compression assembly, and the inner cavity of the outer cover is communicated with the inner barrel of the smoke exhaust barrel. The gas-liquid dual-purpose burner is applicable to both gas fuel and liquid fuel, has uniform fuel and combustion-supporting gas feeding, can generate laminar flame with adjustable stability, pressure and flame position, and can prevent the liquid fuel from condensing in the air inlet pipe.
Description
Technical Field
The invention relates to a burner, in particular to a gas-liquid dual-purpose burner.
Background
Flame is the most direct reflection of whether combustion state is stable or not, and various detection methods for laminar flame combustion are developed in order to explore the relation among combustion mechanism of laminar flame of various hydrocarbon fuels under different parameters, components, combustion temperature and pressure of various products (soot), intermediate Products (PAH), polycyclic aromatic hydrocarbon and the like during combustion. In recent years, in-situ detection technology adopts laser detection technologies such as Laser Induced Fluorescence (LIF), laser induced glow (LII), extinction method (LOSA) and the like to test and research combustion laminar flame and soot emission characteristics in various combustors and high-pressure combustion systems.
The laminar flame is the flame formed when static gas in a pipe or laminar flow gas is ignited, is relatively stable, has small fluctuation in measurement and is suitable for atomic absorption quantitative analysis. The premixed burner produces laminar flame, so that it is also called laminar burner, and the fuel gas and combustion-supporting gas are uniformly mixed in the fog chamber, then sprayed out from burner head in laminar state.
The current laminar flow burner mainly burns gas fuel and is not applicable to liquid fuel. Combustion process research of liquid fuel is limited due to the fact that the liquid fuel cannot control fuel consumption, flame is difficult to stabilize under the same condition, repeatability is poor, and the like. Accordingly, there is a need for a gas-liquid dual burner that produces a stable, pressure-adjustable, laminar flame that is adjustable relative to a fixed light source position and that is suitable for combustion of both gaseous and liquid fuels.
Disclosure of Invention
In order to solve the technical problems, the invention provides a gas-liquid dual-purpose burner which comprises a bottom plate, an air inlet component, an outer cover and a smoke exhaust tube, wherein a motor and a screw rod are arranged on the bottom plate, the motor is connected with the screw rod, so that the flame position can be adjusted,
the air inlet assembly is arranged on the air inlet assembly support, the air inlet assembly comprises a fuel air inlet pipe, an air inlet sleeve and a combustion-supporting air inlet, a porous medium layer and a rectifying ball are arranged in the air inlet sleeve, so that the fuel and the combustion-supporting air are fed uniformly,
the outer cover is arranged on the outer cover support, glass is arranged on the side surface of the outer cover to provide a light path for flame detection,
the smoke exhaust barrel is arranged at the top of the outer cover through the compression assembly, and the inner cavity of the outer cover is communicated with the inner barrel of the smoke exhaust barrel.
Further, the motor, the screw rod and the nut are matched to drive the air inlet assembly support to move, and the air inlet assembly support drives the air inlet sleeve to move in the outer cover.
Further, one end of the fuel air inlet pipe is arranged at the bottom of the air inlet sleeve, the other end of the fuel air inlet pipe extends out of the air inlet sleeve and is connected with the nozzle, the porous medium layer is arranged at the bottom and the top of the lining, an inner cavity is formed between the two porous medium layers through the partition plate, the inner cavity is filled with the alumina balls, and the combustion-supporting gas inlet is arranged on the air inlet sleeve and is connected with the lining.
Further, a piston ring is further arranged in the air inlet sleeve, and the air inlet assembly is sealed with the outer cover through the piston ring.
Further, the outer surface of the outer cover comprises a first side surface and a second side surface which are adjacently connected, and the inner surface of the outer cover is a smooth surface.
Further, a fixing hole is formed in the first side face, the glass is pressed and arranged in the fixing hole through a glass pressing block, a multipurpose hole is formed in the second side face, and the multipurpose hole is used for detecting combustion temperature or correcting an interface.
Further, the compressing assembly is arranged at the top of the outer cover, the compressing assembly comprises a compressing block and a compressing screw, two ends of the compressing screw are respectively fixedly connected with the compressing bracket, and the compressing screw penetrates through the compressing block.
Further, the pressing support is arranged on the upper side of the glass and is in pressing connection with the first side face through bolts.
Further, the smoke exhaust barrel is pressed and arranged at the top of the outer cover through the pressing block, the pressing screw and the pressing support, and the top of the smoke exhaust barrel is provided with an exhaust hole.
Further, safety valves are respectively arranged at the bottom of the air inlet assembly and the top of the smoke exhaust barrel, and the safety valves are used for adjusting the pressure in the combustor.
The implementation of the invention has the following beneficial effects:
(1) The gas-liquid dual-purpose burner is applicable to both gas fuel and liquid fuel, and can generate laminar flame which is stable, adjustable in pressure and adjustable in flame position relative to a fixed light source position of laser detection.
(2) The fuel inlet pipe and the combustion-supporting gas inlet are respectively arranged on the air inlet sleeve, and the air inlet sleeve is internally provided with the rectifying air inlet channel formed by the porous medium layer and the rectifying ball, so that the combustion-supporting gas surrounds the fuel, and the fuel and the combustion-supporting gas are uniformly fed.
(3) When the liquid fuel is used, the air inlet sleeve forms a high-temperature air inlet channel, so that condensation in the fuel air inlet pipe before the liquid fuel is combusted can be prevented.
(4) The gas-liquid dual-purpose burner outer cover is provided with glass, so that optical path channels which are mutually perpendicular and intersected in the center of flame are formed, and an optical path is provided for laser detection of laminar flame.
(5) The compressing assembly of the gas-liquid dual-purpose burner ensures good sealing performance between the smoke exhaust tube and the outer cover and can be conveniently disassembled.
Drawings
In order to more clearly illustrate the technical solutions of the present invention, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a three-dimensional view of a gas-liquid dual purpose burner of the present invention;
FIG. 2 is a schematic diagram of the structure of the gas-liquid dual-purpose burner of the present invention;
fig. 3 is a schematic view of the structure of the air intake assembly in embodiment 2;
fig. 4 is a schematic structural view of an air intake assembly in embodiment 3;
fig. 5 is a schematic view of the structure of the compression assembly of the present invention.
Wherein, the reference numerals in the figures correspond to: 1-bottom plate, 2-motor, 3-lead screw, 4-subassembly support that admits air, 5-subassembly that admits air, 51-fuel intake pipe, 52-bush, 53-sleeve that admits air, 54-combustion-supporting gas inlet, 55-nozzle, 56-porous medium, 57-baffle, 58-rectifier ball, 59-piston ring, 6-dustcoat support, 7-dustcoat, 71-first side, 72-second side, 8-glass briquetting, 9-glass, 10-compress tightly the support, 11-compress tightly the piece, 12-compress tightly the screw rod, 13-chimney, 14-nut, 15-screw.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. 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.
Example 1
The invention discloses a gas-liquid dual-purpose burner, which comprises a bottom plate 1, an air inlet assembly 5, an outer cover 7 and a smoke exhaust cylinder 13, wherein a motor 2 and a screw rod 3 are arranged on the bottom plate 1, the motor 2 is connected with the screw rod 3, so that the flame position can be adjusted,
the motor 2, the screw rod 3 and the nut 14 cooperate to drive the air inlet assembly support 4 to move, and the air inlet assembly support 4 drives the air inlet sleeve 53 to move in the outer cover 7. The air inlet assembly 5 is arranged on the air inlet assembly support 4, the air inlet assembly 5 comprises a fuel air inlet pipe 51, an air inlet sleeve 53 and a combustion-supporting air inlet 54, a porous medium layer 56 and a rectifying ball 58 are arranged in the air inlet sleeve 53, so that the fuel and the combustion-supporting air are fed uniformly,
the porous medium layers 56 are arranged at the bottom and the top of the bushing 52, an inner cavity is formed between the two porous medium layers 56 through the partition plate 57, the inner cavity is filled with the rectifying balls 58,
the glass 9 is arranged on the side surface of the outer cover 7 to form a fire observation channel for providing a light path for laser detection of laminar flame, the smoke exhaust barrel 13 is arranged at the top of the outer cover 7, and the inner cavity of the outer cover 7 is communicated with the inner barrel of the smoke exhaust barrel 13.
One end of the fuel inlet pipe 51 is arranged at the bottom of the air inlet sleeve 53, the other end extends out of the air inlet sleeve 53 and is connected with the nozzle 55, and the combustion-supporting gas inlet 54 is arranged on the air inlet sleeve 53 and is connected with the bushing 52. A piston ring 59 is also arranged in the air inlet sleeve 53, and the air inlet assembly 5 and the outer cover 7 are sealed by the piston ring 59.
The outer surface of the housing 7 comprises a first side 71 and a second side 72 which are adjacently connected, and the inner surface of the housing 7 is a smooth surface. The first side 71 is provided with a fixing hole, the glass 9 is pressed and arranged in the fixing hole through the glass pressing block 8, the second side 72 is provided with a multipurpose hole, and the multipurpose hole is used for detecting the combustion temperature or correcting an interface.
The smoke discharging barrel 13 is arranged at the top of the outer cover 7 through a pressing component, and an inner cavity of the outer cover 7 is communicated with an inner barrel of the smoke discharging barrel 13. The compressing assembly comprises a compressing block 11 and a compressing screw 12, two ends of the compressing screw 12 are respectively and fixedly connected with the compressing bracket 10, and the compressing screw 12 penetrates through the compressing block 11. The pressing bracket 10 is arranged on the upper side of the glass 9 and is in pressing connection with the first side face 71 through bolts.
The smoke exhaust barrel 13 is tightly pressed and arranged at the top of the outer cover 7 through the pressing block 11, the pressing screw 12 and the pressing bracket 10, and the top of the smoke exhaust barrel 13 is provided with an exhaust hole. The bottom of the air inlet assembly 5 and the top of the smoke discharging barrel 13 are respectively provided with a safety valve, and the safety valves are used for adjusting the pressure in the combustor.
Example 2
The invention discloses a gas-liquid dual-purpose burner, which comprises a bottom plate 1, an air inlet component 5, an outer cover 7 and a smoke exhaust cylinder 13,
the motor 2 is fixedly arranged on the bottom plate 1, one end of the screw rod 3 is connected with the motor 2, the other end of the screw rod 3 extends out of the air inlet assembly support 4, the screw rod 3 is connected with the motor 2 and works in a matched mode, the flame position can be adjusted relative to a fixed light source for laser detection, the air inlet assembly support 4 moves linearly under the matching of the motor 2, the screw rod 3 and the nut 14, and the air inlet assembly support 4 drives the air inlet sleeve 53 to move in the outer cover 7.
The air inlet assembly 5 is arranged on the air inlet assembly support 4, the air inlet assembly 5 comprises a fuel air inlet pipe 51, an air inlet sleeve 53 and two combustion-supporting air inlets 54, a rectifying air inlet channel formed by a porous medium layer 56 and an alumina ball 58 is arranged in the air inlet sleeve 53, so that the fuel and the combustion-supporting air are fed uniformly,
the glass 9 is arranged on the side surface of the outer cover 7 to form a fire observation channel for providing a light path for laser detection of laminar flame, the smoke exhaust barrel 13 is arranged at the top of the outer cover 7, and the inner cavity of the outer cover 7 is communicated with the inner barrel of the smoke exhaust barrel 13. One end of the fuel inlet pipe 51 is arranged at the bottom of the air inlet sleeve 53, the other end extends out of the air inlet sleeve 53 and is connected with a nozzle 55,
the porous medium layers 56 are disposed at the bottom and top of the liner 52, an inner cavity is formed between the two porous medium layers 56 by a partition 57, the inner cavity is filled with alumina balls 58, and the two combustion-supporting gas inlets 54 are symmetrically disposed at the side portions of the inlet sleeve 53 and connected with the liner 52. Three layers of piston rings 59 are further arranged in the air inlet sleeve 53, and the air inlet assembly 5 and the outer cover 7 are sealed through the three layers of piston rings 59.
The outer surface of the housing 7 comprises a first side 71 and a second side 72 which are adjacently connected, and the inner surface of the housing 7 is a smooth surface. The first side 71 is provided with a fixing hole, the glass 9 is pressed and arranged in the fixing hole through the glass pressing block 8, the second side 72 is provided with a multipurpose hole, and the multipurpose hole is used for detecting the combustion temperature or correcting an interface.
The smoke discharging barrel 13 is arranged at the top of the outer cover 7 through a pressing component, and an inner cavity of the outer cover 7 is communicated with an inner barrel of the smoke discharging barrel 13. The compressing assembly comprises a compressing block 11 and a compressing screw 12, two ends of the compressing screw 12 are respectively and fixedly connected with the compressing bracket 10, and the compressing screw 12 penetrates through the compressing block 11. The pressing bracket 10 is arranged on the upper side of the glass 9 and is in pressing connection with the first side face 71 through bolts.
The smoke exhaust barrel 13 is tightly pressed and arranged at the top of the outer cover 7 through the pressing block 11, the pressing screw 12 and the pressing bracket 10, and the top of the smoke exhaust barrel 13 is provided with an exhaust hole.
The bottom of the air inlet assembly 5 and the top of the smoke discharging barrel 13 are respectively provided with a safety valve, and the safety valves are used for adjusting the pressure in the combustor.
Example 3
The invention discloses a gas-liquid dual-purpose burner, which comprises a bottom plate 1, an air inlet assembly 5, an outer cover 7 and a smoke exhaust tube 13, wherein a motor 2 is fixedly arranged on the bottom plate 1, a screw rod 3 is connected with the motor 2 and works in a matched manner, so that the position of flame can be adjusted relative to a fixed light source for laser detection,
the air inlet assembly 5 is arranged on the air inlet assembly support 4, the air inlet assembly 5 comprises a fuel air inlet pipe 51, an air inlet sleeve 53 and a combustion-supporting air inlet 54, a rectifying air inlet channel formed by a porous medium layer 56 and an aluminum ball 58 is arranged in the air inlet sleeve 53, so that the fuel and the combustion-supporting air are fed uniformly,
the glass 9 is arranged on the side surface of the outer cover 7 to form a fire observation channel for providing a light path for laser detection of laminar flame, the smoke exhaust barrel 13 is arranged at the top of the outer cover 7, and the inner cavity of the outer cover 7 is communicated with the inner barrel of the smoke exhaust barrel 13.
The air inlet assembly support 4 moves linearly under the cooperation of the motor 2, the screw rod 3 and the nut 14, and the air inlet assembly support 4 drives the air inlet sleeve 53 to move in the outer cover 7.
One end of the fuel air inlet pipe 51 is arranged at the bottom of the air inlet sleeve 53, the other end of the fuel air inlet pipe extends out of the air inlet sleeve 53 and is connected with the nozzle 55, the porous medium layer 56 is arranged at the bottom and the top of the bushing 52, four inner cavities are formed between the two porous medium layers 56 through the partition plates 57, the four inner cavities are filled with the aluminum balls 58, and the combustion-supporting air inlets 54 are symmetrically arranged at the bottom of the air inlet sleeve 53 and are connected with the bushing 52.
The air inlet sleeve 53 is also internally provided with two layers of piston rings 59, and the air inlet assembly 5 and the outer cover 7 are sealed by the two layers of piston rings 59.
The outer surface of the housing 7 comprises a first side 71 and a second side 72 which are adjacently connected, and the inner surface of the housing 7 is a smooth surface. The first side 71 is provided with a fixing hole, the glass 9 is pressed and arranged in the fixing hole through the glass pressing block 8, the second side 72 is provided with two multipurpose holes, and the multipurpose holes are used for detecting combustion temperature or correcting interfaces.
The compressing assembly is arranged at the top of the outer cover 7 and comprises a compressing block 11 and a compressing screw 12, two ends of the compressing screw 12 are respectively and fixedly connected with the compressing bracket 10, and the compressing screw 12 penetrates through the compressing block 11. The pressing bracket 10 is arranged on the upper side of the glass 9 and is in pressing connection with the first side face 71 through bolts.
The smoke exhaust barrel 13 is tightly pressed and arranged at the top of the outer cover 7 through the pressing block 11, the pressing screw 12 and the pressing bracket 10, and the top of the smoke exhaust barrel 13 is provided with an exhaust hole. The bottom of the air inlet assembly 5 and the top of the smoke discharging barrel 13 are respectively provided with a safety valve, and the safety valves are used for adjusting the pressure in the combustor.
Example 4
The invention discloses a gas-liquid dual-purpose burner, which comprises a bottom plate 1, a stepping motor 2, a screw rod 3, an air inlet component 5, an outer cover 7, glass 9, a smoke exhaust cylinder 13 and a wedge-shaped compression component,
the bottom of the air inlet assembly 5 and the top of the smoke discharging barrel 13 are respectively provided with a safety valve, and the safety valves are used for adjusting the pressure in the combustor.
The stepping motor 2 is fixedly arranged on the bottom plate 1, the screw rod 3 is connected with the stepping motor 2 and works cooperatively, so that the flame position can be adjusted relative to a fixed light source for laser detection, the air inlet assembly support 4 moves linearly under the cooperation of the stepping motor 2, the screw rod 3 and the nut 14, and the air inlet assembly support 4 drives the air inlet sleeve 53 to move in the outer cover 7.
The air inlet assembly 5 is arranged on the air inlet assembly support 4, the air inlet assembly 5 comprises a fuel air inlet pipe 51, an air inlet sleeve 53 and a combustion-supporting air inlet 54, one end of the fuel air inlet pipe 51 is arranged at the bottom of the air inlet sleeve 53, the other end extends out of the air inlet sleeve 53 and is connected with a nozzle 55, a rectifying air inlet channel formed by a porous medium layer 56 and a rectifying ball 58 is arranged in the air inlet sleeve 53, so that the fuel and the combustion-supporting air are fed uniformly,
the glass 9 is arranged on the side surface of the outer cover 7 to form a fire observation channel for providing a light path for laser detection of laminar flame, the smoke exhaust barrel 13 is arranged at the top of the outer cover 7, and the inner cavity of the outer cover 7 is communicated with the inner barrel of the smoke exhaust barrel 13.
The porous medium layers 56 are arranged at the bottom and the top of the bushing 52, an inner cavity is formed between the two porous medium layers 56 through the partition plates 57, the inner cavity is filled with the rectifying balls 58, and the porous medium layers 56 are alumina foam ceramic layers.
The combustion air intake port 54 is provided on the intake sleeve 53 and is connected to the liner 52. A piston ring 59 is also arranged in the air inlet sleeve 53, and the air inlet assembly 5 and the outer cover 7 are sealed by the piston ring 59.
The outer surface of the housing 7 comprises a first side 71 and a second side 72 which are adjacently connected, and the inner surface of the housing 7 is a smooth surface. The first side 71 is provided with a fixing hole, the glass 9 is pressed and arranged in the fixing hole through the glass pressing block 8, the second side 72 is provided with a multipurpose hole, and the multipurpose hole is used for detecting the combustion temperature or correcting an interface.
The wedge-shaped compression assembly is arranged at the top of the outer cover 7 and comprises a wedge-shaped compression block 11 and a compression screw 12, two ends of the compression screw 12 are respectively fixedly connected with the compression bracket 10, and the compression screw 12 penetrates through the wedge-shaped compression block 11.
The pressing bracket 10 is arranged on the upper side of the glass 9 and is in pressing connection with the first side face 71 through bolts. The smoke exhaust barrel 13 is tightly arranged on the outer cover 7 through the wedge-shaped compression block 11, the compression screw 12 and the compression bracket 10, and the top of the smoke exhaust barrel 13 is provided with an exhaust hole.
Example 5
The invention discloses a gas-liquid dual-purpose burner, which comprises a bottom plate 1, an air inlet assembly 5, an outer cover 7 and a smoke exhaust cylinder 13, wherein a motor 2 and a screw rod 3 are arranged on the bottom plate 1, the motor 2 is fixedly arranged on the bottom plate 1, the motor 2 is connected with the screw rod 3, so that the flame position can be adjusted,
in order to ensure accuracy and stability, symmetrical synchronous driving is adopted, and when in use, the screw rod 3 and the motor 2 are matched to drive the air inlet assembly support 4 to move along four polished rods arranged between the bottom plate 1 and the outer cover support 6, and the air inlet assembly support 4 drives the air inlet sleeve 53 to move up and down in the outer cover 7.
The air inlet assembly 5 is arranged on the air inlet assembly support 4, the air inlet assembly 5 comprises a fuel air inlet pipe 51, an air inlet sleeve 53 and a combustion-supporting air inlet 54, a rectifying air inlet channel formed by a porous medium layer 56 and a rectifying ball 58 is arranged in the air inlet sleeve 53, so that fuel and combustion-supporting air are uniformly fed, a piston ring 59 is further arranged in the air inlet sleeve 53, and the air inlet assembly 5 and the outer cover 7 are sealed by the piston ring 59.
The smoke exhaust barrel 13 is arranged at the top of the outer cover 7, and the inner cavity of the outer cover 7 is communicated with the inner barrel of the smoke exhaust barrel 13. The bottom of the air inlet assembly 5 and the top of the smoke discharging barrel 13 are respectively provided with a safety valve, and the safety valves are used for adjusting the pressure in the combustor.
One end of the fuel inlet pipe 51 is arranged at the bottom of the air inlet sleeve 53, the other end extends out of the air inlet sleeve 53 and is connected with the nozzle 55, and the combustion-supporting gas inlet 54 is arranged on the air inlet sleeve 53 and is connected with the bushing 52.
The porous medium layer I56 is arranged at the bottom of the bushing 52, the porous medium layer II 56 is arranged at the top of the bushing 52, an inner cavity is formed between the porous medium layer I56 and the porous medium layer II 56 through the partition plate 57, and the inner cavity is filled with the rectifying balls 58.
The outer surface of the housing 7 comprises a first side 71 and a second side 72 which are adjacently connected, and the inner surface of the housing 7 is a smooth surface. The outer cover 7 is integrally processed by stainless steel, CFD analysis is carried out on the outer cover 7, and the curved surface parameters of the inner surface of the outer cover 7 are optimized according to the result, so that the optimal curved surface parameters with the smallest influence on air flow are obtained.
The first side 71 is provided with a fixing hole, the glass 9 is pressed and arranged in the fixing hole through the glass pressing block 8, the second side 72 is provided with a multipurpose hole, and the multipurpose hole is used for detecting the combustion temperature or correcting an interface.
The glass 9 is installed on the side of the outer cover 7 to form a fire observation channel for providing a light path for laser detection of laminar flame, and the pressing support 10 is arranged on the upper side of the glass 9 and is in pressing connection with the first side 71 through bolts.
The compressing assembly is arranged at the top of the outer cover 7 and comprises a compressing block 11 and a compressing screw 12, two ends of the compressing screw 12 are respectively and fixedly connected with the compressing bracket 10, and the compressing screw 12 penetrates through the compressing block 11. The smoke exhaust barrel 13 is tightly pressed and arranged at the top of the outer cover 7 through the pressing block 11, the pressing screw 12 and the pressing bracket 10, and the top of the smoke exhaust barrel 13 is provided with an exhaust hole.
The implementation of the invention has the following beneficial effects:
(1) The gas-liquid dual-purpose burner is applicable to both gas fuel and liquid fuel, and can generate laminar flame which is stable, adjustable in pressure and adjustable in flame position relative to a fixed light source position of laser detection.
(2) The fuel inlet pipe and the combustion-supporting gas inlet are respectively arranged on the air inlet sleeve, and the air inlet sleeve is internally provided with the rectifying air inlet channel formed by the porous medium layer and the rectifying ball, so that the combustion-supporting gas surrounds the fuel, and the fuel and the combustion-supporting gas are uniformly fed.
(3) When the liquid fuel is used, the air inlet sleeve forms a high-temperature air inlet channel, so that condensation in the fuel air inlet pipe before the liquid fuel is combusted can be prevented.
(4) The gas-liquid dual-purpose burner outer cover is provided with glass, so that optical path channels which are mutually perpendicular and intersected in the center of flame are formed, and an optical path is provided for laser detection of laminar flame.
(5) The compressing assembly of the gas-liquid dual-purpose burner ensures good sealing performance between the smoke exhaust tube and the outer cover and can be conveniently disassembled.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the invention, such changes and modifications are also intended to be within the scope of the invention.
Claims (6)
1. The gas-liquid dual-purpose burner is characterized by comprising a bottom plate (1), an air inlet assembly (5), an outer cover (7) and a smoke exhaust barrel (13),
a motor (2) and a screw rod (3) are arranged on the bottom plate (1), the motor (2) is connected with the screw rod (3) so that the flame position can be adjusted,
the air inlet assembly (5) is arranged on the air inlet assembly support (4), the air inlet assembly (5) comprises a fuel air inlet pipe (51), an air inlet sleeve (53) and a combustion-supporting air inlet (54), a porous medium layer (56) and a rectifying ball (58) are arranged in the air inlet sleeve (53) so that fuel and combustion-supporting air are uniformly fed, the porous medium layer (56) is an alumina foam ceramic layer,
the outer cover (7) is arranged on the outer cover support (6), the side surface of the outer cover (7) is provided with glass (9) for providing a light path for flame detection,
the smoke exhaust barrel (13) is arranged at the top of the outer cover (7) through a compression assembly, and the inner cavity of the outer cover (7) is communicated with the inner barrel of the smoke exhaust barrel (13);
the pressing assembly is arranged at the top of the outer cover (7), the pressing assembly comprises a pressing block (11) and a pressing screw rod (12), two ends of the pressing screw rod (12) are fixedly connected with the pressing bracket (10) respectively, and the pressing screw rod (12) penetrates through the pressing block (11);
the smoke exhaust barrel (13) is tightly pressed and arranged at the top of the outer cover (7) through the pressing block (11), the pressing screw rod (12) and the pressing bracket (10), and the top of the smoke exhaust barrel (13) is provided with an exhaust hole; the motor (2), the screw rod (3) and the nut (14) are matched to drive the air inlet assembly support (4) to move, and the air inlet assembly support (4) drives the air inlet sleeve (53) to move in the outer cover (7); a piston ring (59) is further arranged in the air inlet sleeve (53), and the air inlet assembly (5) and the outer cover (7) are sealed through the piston ring (59).
2. The gas-liquid dual-purpose burner according to claim 1, wherein,
one end of the fuel air inlet pipe (51) is arranged at the bottom of the air inlet sleeve (53), the other end extends out of the air inlet sleeve (53) and is connected with the nozzle (55),
the porous medium layers (56) are arranged at the bottom and the top of the bushing (52), an inner cavity is formed between the porous medium layers (56) through the partition plates (57), the inner cavity is filled with the rectifying balls (58),
the combustion-supporting gas inlet (54) is arranged on the gas inlet sleeve (53) and is connected with the bushing (52).
3. A gas-liquid dual purpose burner as claimed in claim 1, wherein the outer surface of the housing (7) comprises a first side (71) and a second side (72) connected adjacently, and the inner surface of the housing (7) is a smooth surface.
4. A gas-liquid dual-purpose burner according to claim 3, characterized in that the first side (71) is provided with a fixing hole, the glass (9) is pressed and arranged in the fixing hole by a glass pressing block (8), and the second side (72) is provided with a multipurpose hole for detecting the combustion temperature or correcting an interface.
5. The gas-liquid dual-purpose burner according to claim 4, wherein the pressing bracket (10) is arranged on the upper side of the glass (9) and is in pressing connection with the first side (71) through bolts.
6. The gas-liquid dual-purpose burner according to claim 1, characterized in that the bottom of the gas inlet assembly (5) and the top of the smoke exhaust tube (13) are respectively provided with a safety valve for regulating the pressure in the burner.
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| CN201710452578.4A CN107044638B (en) | 2017-06-15 | 2017-06-15 | Gas-liquid dual-purpose burner |
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Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR981072A (en) * | 1949-02-18 | 1951-05-22 | Liquid fuel burner | |
| GB693997A (en) * | 1950-02-13 | 1953-07-08 | Bataafsche Petroleum | Burner for gaseous fuel |
| GB1060768A (en) * | 1963-07-03 | 1967-03-08 | Carves Simon Ltd | Improvements in or relating to gas burners |
| JP2006002991A (en) * | 2004-06-17 | 2006-01-05 | Matsushita Electric Ind Co Ltd | Combustion device |
| CN201293313Y (en) * | 2008-11-07 | 2009-08-19 | 贾臻 | Prewarming type hydrophilious slurry burner |
| CN101556040A (en) * | 2009-05-15 | 2009-10-14 | 大连理工大学 | Porous medium combustion apparatus of combustion use liquid fuel |
| CN102506428A (en) * | 2011-11-04 | 2012-06-20 | 中国人民解放军国防科学技术大学 | Flat-flamed burner |
| CN103968386A (en) * | 2014-05-11 | 2014-08-06 | 中国科学技术大学 | Remote-ignition gas following wake combustion device |
| CN203929570U (en) * | 2014-05-17 | 2014-11-05 | 中国科学技术大学 | A kind of burner for the soot characteristic research under environment under low pressure |
| CN104501162A (en) * | 2015-01-04 | 2015-04-08 | 中国矿业大学 | Porous medium burner with packed bed structure |
| CN104613470A (en) * | 2014-12-05 | 2015-05-13 | 哈尔滨工业大学深圳研究生院 | Pulse type micro-jet gas nozzle control device |
| CN104654300A (en) * | 2013-11-25 | 2015-05-27 | 陈训宏 | Novel adjustable fire burner |
| CN104772243A (en) * | 2015-04-22 | 2015-07-15 | 刘金玲 | Solid-liquid two-phase working medium pressure atomizing nozzle |
| CN105485677A (en) * | 2016-01-14 | 2016-04-13 | 无锡顺鼎阿泰克科技有限公司 | Burning lance for coal tar oxy-fuel control system |
| CN105864775A (en) * | 2016-04-29 | 2016-08-17 | 桐乡市致远环保科技有限公司 | Adjustable pure oxygen combustor |
| CN105910136A (en) * | 2016-04-18 | 2016-08-31 | 中国科学院工程热物理研究所 | Adjustable nozzle, nozzle array and combustor |
| CN106093285A (en) * | 2016-08-26 | 2016-11-09 | 南京师范大学 | A kind of multicomponent gas diffusion combustion and combustion monitoring device |
| CN106383198A (en) * | 2016-11-24 | 2017-02-08 | 天津大学 | Device and method for simulating influence of diesel engine waste gas recirculation on tail gas exhaust |
| CN207049928U (en) * | 2017-06-15 | 2018-02-27 | 哈尔滨工业大学深圳研究生院 | A kind of gas liquid two purpose burner |
-
2017
- 2017-06-15 CN CN201710452578.4A patent/CN107044638B/en active Active
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR981072A (en) * | 1949-02-18 | 1951-05-22 | Liquid fuel burner | |
| GB693997A (en) * | 1950-02-13 | 1953-07-08 | Bataafsche Petroleum | Burner for gaseous fuel |
| GB1060768A (en) * | 1963-07-03 | 1967-03-08 | Carves Simon Ltd | Improvements in or relating to gas burners |
| JP2006002991A (en) * | 2004-06-17 | 2006-01-05 | Matsushita Electric Ind Co Ltd | Combustion device |
| CN201293313Y (en) * | 2008-11-07 | 2009-08-19 | 贾臻 | Prewarming type hydrophilious slurry burner |
| CN101556040A (en) * | 2009-05-15 | 2009-10-14 | 大连理工大学 | Porous medium combustion apparatus of combustion use liquid fuel |
| CN102506428A (en) * | 2011-11-04 | 2012-06-20 | 中国人民解放军国防科学技术大学 | Flat-flamed burner |
| CN104654300A (en) * | 2013-11-25 | 2015-05-27 | 陈训宏 | Novel adjustable fire burner |
| CN103968386A (en) * | 2014-05-11 | 2014-08-06 | 中国科学技术大学 | Remote-ignition gas following wake combustion device |
| CN203929570U (en) * | 2014-05-17 | 2014-11-05 | 中国科学技术大学 | A kind of burner for the soot characteristic research under environment under low pressure |
| CN104613470A (en) * | 2014-12-05 | 2015-05-13 | 哈尔滨工业大学深圳研究生院 | Pulse type micro-jet gas nozzle control device |
| CN104501162A (en) * | 2015-01-04 | 2015-04-08 | 中国矿业大学 | Porous medium burner with packed bed structure |
| CN104772243A (en) * | 2015-04-22 | 2015-07-15 | 刘金玲 | Solid-liquid two-phase working medium pressure atomizing nozzle |
| CN105485677A (en) * | 2016-01-14 | 2016-04-13 | 无锡顺鼎阿泰克科技有限公司 | Burning lance for coal tar oxy-fuel control system |
| CN105910136A (en) * | 2016-04-18 | 2016-08-31 | 中国科学院工程热物理研究所 | Adjustable nozzle, nozzle array and combustor |
| CN105864775A (en) * | 2016-04-29 | 2016-08-17 | 桐乡市致远环保科技有限公司 | Adjustable pure oxygen combustor |
| CN106093285A (en) * | 2016-08-26 | 2016-11-09 | 南京师范大学 | A kind of multicomponent gas diffusion combustion and combustion monitoring device |
| CN106383198A (en) * | 2016-11-24 | 2017-02-08 | 天津大学 | Device and method for simulating influence of diesel engine waste gas recirculation on tail gas exhaust |
| CN207049928U (en) * | 2017-06-15 | 2018-02-27 | 哈尔滨工业大学深圳研究生院 | A kind of gas liquid two purpose burner |
Non-Patent Citations (2)
| Title |
|---|
| Lei Zhou 等."Measurements of sooting tendency in laminar diffusion flames of n-heptane at elevated pressure".《Combustion and Flame》.2013,第160卷(第11期),第2507-2516页. * |
| 周磊 ; 张红兴 ; 王震 ; .利用激光诱导炽光研究高压环境下液体燃料层流扩散火焰碳烟分布的二维图像.影像科学与光化学.(第02期),全文. * |
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