CN109708109A - A kind of dual burner - Google Patents
A kind of dual burner Download PDFInfo
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- CN109708109A CN109708109A CN201910156553.9A CN201910156553A CN109708109A CN 109708109 A CN109708109 A CN 109708109A CN 201910156553 A CN201910156553 A CN 201910156553A CN 109708109 A CN109708109 A CN 109708109A
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Abstract
The present invention relates to burner arts, specifically disclose a kind of dual burner, including the mixing chamber for mixing biomass combustion gas and combustion air, further includes that the first adjusting door and second adjust door, be respectively used to adjust and be sent into the indoor combustion-supporting air quantity of the mixing chamber and biomass fuel tolerance；Gas spraying mouth structure comprising the combustion chamber being connected to the mixing chamber, and the natural gas channel being connected to the combustion chamber；Third adjusts door, for adjusting the gaseous mixture scale of construction formed after the combustion-supporting air quantity being sent into the combustion chamber through the mixing chamber, or adjusting combustion air and biological fuel gas mixing；Igniter, for lighting the mixed gas of the natural gas being admitted in the combustion chamber and/or biological fuel gas and combustion air.The present invention both can also realize the dual-purpose of burner simultaneously using natural gas and biological fuel gas as fuel individually using natural gas or biological fuel gas as fuel.
Description
Technical field
The present invention relates to burner arts more particularly to a kind of dual burners.
Background technique
Existing clean energy resource includes biological fuel gas, natural gas, fuel oil etc., and wherein biological fuel gas refers to utilizing agriculture
Crop material, forest tree castoff, edible fungi residues, fowl and animal excrement and all inflammable substances are converted to flammable performance as raw material
Source, biological fuel gas CO in entire production and use process2Total emission volumn be zero, SO2Discharge amount it is also almost nil.It
Right gas hardly sulfur-bearing, dust and other harmful substances, the carbon dioxide that when burning generates is less than other fossil fuels, to greenhouse
The influence of effect is relatively low, while natural gas is nontoxic, easily distributes, and specific gravity is lighter than air, should not be accumulated into explosive gas.Therefore,
Usually biological fuel gas, natural gas etc. are burnt as fuel in the prior art.
But in the prior art, each burner is simply possible to use in a kind of clean energy resource that burns, and it is natural such as only to can be suitably used for burning
Gas, or only can be suitably used for biomass burning combustion gas, it can not achieve while being suitable for the burning of two kinds or more kinds of clean energy resourcies.
Therefore, a kind of dual burner is needed, to realize biomass and natural gas single fire or multifuel combustion.
Summary of the invention
The purpose of the present invention is to provide two kinds of burners of a kind of biological fuel gas and natural gas single fire or multifuel combustion, can
Solving the problems, such as existing burner cannot burn two kinds of clean energy resourcies simultaneously.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of dual burner, including the mixing chamber for mixing biomass combustion gas and combustion air, further includes:
First, which adjusts door and second, adjusts door, is respectively used to adjust and is sent into the indoor combustion-supporting air quantity of the mixing chamber and life
Substance combustible gas amount；
Gas spraying mouth structure comprising the combustion chamber being connected to the mixing chamber, and be connected to the combustion chamber
Natural gas channel；
Third adjusts door, for adjusting the combustion-supporting air quantity being sent into the combustion chamber through the mixing chamber, or adjusting
The gaseous mixture scale of construction formed after combustion air and biological fuel gas mixing；
Igniter, for lighting the natural gas being admitted in the combustion chamber and/or biological fuel gas and combustion air
Mixed gas.
Further include combustion fan as a kind of optimal technical scheme of dual burner, is configured as the mixing chamber
Indoor mixed gas or combustion air are sent into the combustion chamber.
As a kind of optimal technical scheme of dual burner, it is equipped with flow-guiding structure in the mixing chamber, is configured as
The indoor combustion air of the mixing chamber will be entered or mixed gas is sent to the combustion fan.
It further include circulation passage as a kind of optimal technical scheme of dual burner, both ends are mixed with described respectively
Chamber is connected to the combustion chamber；
The central axis of the circulation passage and the biological fuel gas are sent into the indoor direction of the mixing chamber and form folder
Angle.
As a kind of optimal technical scheme of dual burner, the third adjusts door and includes:
Third air door is placed in the circulation passage and can rotate relative to the circulation passage to be connected to or disconnect institute
State mixing chamber and the combustion chamber；
Third driving unit can drive the third air door to rotate.
As a kind of optimal technical scheme of dual burner, it further includes fixed throttle that the third, which adjusts door, and described the
Three air doors can be connected to the fixed throttle；One end of the igniter is placed in outside the mixing chamber, and the other end is successively worn
It crosses the mixing chamber, the fixed throttle and is directed toward the combustion chamber.
As a kind of optimal technical scheme of dual burner, the fixed throttle includes the air door of two settings at an acute angle
Plate is gradually increased along the distance between two air door plate opposite sides faces of gas flow direction.
As a kind of optimal technical scheme of dual burner, the natural gas channel includes:
Inner tube, outer tube, the outer tube sleeve are set in said inner tube；
Multiple natural gas branch pipes, circumferentially distributed along said inner tube, one end of each natural gas branch pipe is placed in described outer
Between pipe and inner tube, the other end penetrates said inner tube and bends to gas flow direction.
As a kind of optimal technical scheme of dual burner, be equipped with central tube in said inner tube, said inner tube with it is described
Dispersion chamber is formed between central tube, the center tube cavity forms the combustion chamber；
The mixed gas of portion of natural gas and/or part combustion air and/or part combustion air and biological fuel gas into
Enter it is described dispersion it is intracavitary and from multiple air inlets on the central tube enter the combustion chamber in.
As a kind of optimal technical scheme of dual burner, spiral board, the natural gas branch are equipped in the combustion chamber
Pipe, the igniter are respectively positioned on the upstream of the spiral board；
The spiral board is equipped with igniter described in the natural vent hole of natural gas branch pipe outlet side described in face, face and sets
The fire hole set and several whirl holes for forming swirl vane.
Beneficial effects of the present invention: the present invention adjusts door, the second adjusting door and third by setting first and adjusts door, respectively
The indoor combustion-supporting air quantity of the mixing chamber, biomass fuel tolerance are sent into, through the combustion of mixing chamber feeding for adjusting
Burn the gaseous mixture scale of construction formed after intracavitary combustion-supporting air quantity or combustion air and biological fuel gas mixing；Both it can individually use
Natural gas or biological fuel gas can also realize burner simultaneously using natural gas and biological fuel gas as fuel as fuel
It is dual-purpose.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, institute in being described below to the embodiment of the present invention
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also implement according to the present invention
The content of example and these attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram of dual burner provided in an embodiment of the present invention；
Fig. 2 is the sectional view along A-A of dual burner shown in Fig. 1；
Fig. 3 is the connection schematic diagram of main casing, combustion-aid air pipe shown in Fig. 1 and biomass fuel tracheae；
Fig. 4 is another visual angle figure of structure shown in Fig. 3 (part main casing, strainer are not shown)；
Fig. 5 is the connection schematic diagram of runner pipe, igniter shown in Fig. 1 and gas spraying mouth structure；
Fig. 6 is the B-B direction cross-sectional view of dual burner shown in Fig. 1；
Fig. 7 is another visual angle figure of structure shown in Fig. 5；
Fig. 8 is the structural schematic diagram of spiral board shown in Fig. 7.
In figure:
1, main casing；10, mixing chamber；11, gas feed；12, flow-guiding structure；13, combustion fan；131, motor；
132, eddy flow fan；
20, biomass fuel tracheae；21, biological fuel gas channel；22, second door is adjusted；221, the second air door；222, second
Adjusting rod；
30, combustion-aid air pipe；301, air intlet；31, combustion air channel；32, strainer；33, first door is adjusted；331,
First air door；332, the first adjusting rod；
4, runner pipe；40, circulation passage；41, square duct；42, gradual change channel；421, maintenance door；43, third is adjusted
Door；431, third air door；432, third adjusting rod；433, third driving unit；434, second component is rotated synchronously；4341, bent
Handle；4342, connecting rod；435, fixed throttle；
5, igniter；
6, gas spraying mouth structure；60, combustion chamber；61, outer tube；62, inner tube；63, natural gas branch pipe；631, first
Pipe；632, the second branch pipe；64, second flange；65, the first sealing plate；66, central tube；661, air inlet；67, the second sealing plate；68,
Spiral board；681, the first swirl vane；682, the second swirl vane；683, the first natural vent hole；684, the second natural gas is logical
Hole；685, fire hole；686, centre bore；69, pressure sensing cell；
70, natural gas chamber；80, disperse chamber.
Specific embodiment
To keep the technical problems solved, the adopted technical scheme and the technical effect achieved by the invention clearer, below
In conjunction with attached drawing and pass through specific embodiment to further illustrate the technical scheme of the present invention.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing and it is not all.
A kind of dual burner that one embodiment of the present of invention provides, fuel mainly include biological fuel gas, natural gas,
It may be implemented individually to use biological fuel gas as fuel by the dual burner, may be implemented individually to use natural gas conduct
Fuel, can also be simultaneously using biological fuel gas and natural gas as fuel.It can of course be using the replacement life of other gaseous fuels
Substance combustible gas and natural gas.
As shown in Figures 1 to 8, according to gas flow direction, above-mentioned dual burner mainly includes biological fuel gas channel
21, combustion air channel 31, mixing chamber 10, natural gas channel, combustion chamber 60.When in use, biological fuel gas, combustion air
Mixing in mixing chamber 10 is entered by biological fuel gas channel 21 and combustion air channel 31 respectively, is then sent into combustion chamber 60
Interior, natural gas is then sent directly into combustion chamber 60, lights biological fuel gas and natural gas in combustion chamber 60.
As shown in Fig. 2, above-mentioned dual burner includes biomass fuel tracheae 20 and main casing 1, the inner cavity of main casing 1 is formed
The inner cavity of mixing chamber 10, biomass fuel tracheae 20 forms biological fuel gas channel 21, mixes for biological fuel gas to be sent into
In chamber 10.In order to realize the burning of biological fuel gas, combustion air is needed, therefore, which, which also sets up, helps
Air duct 31 is fired, for being passed through combustion air into mixing chamber 10.In order to simplify structure, the present embodiment is on main casing 1
Gas feed 11 is set, combustion-aid air pipe 30, biomass fuel tracheae 20 and combustion-aid air pipe are arranged outside biomass fuel tracheae 20
Chamber between 30 forms combustion air channel 31, and the both ends of combustion-aid air pipe 30 are respectively welded first flange, second flange,
First flange is connect with main casing 1 by bolt, nut, and combustion air channel 31, biological fuel gas channel 21 is made to pass through gas
Import 11 is connected to mixing chamber 10, and second flange is connect with biomass fuel tracheae 20 by bolt, nut.In the present embodiment,
The radial section of biomass fuel tracheae 20 is annulus, open at one end feeding biomass of the biological fuel gas from biomass fuel tracheae 20
In blast tube 21, and it is admitted in mixing chamber 10 from its another end opening by gas feed 11.
As shown in Figure 3 and Figure 4, the air intlet 301 on combustion-aid air pipe 30 makes to enter perpendicular to biomass fuel tracheae 20
Combustion air in combustion air channel 31 changes combustion air by 20 outer wall of biomass fuel tracheae and flows direction, then enters
In mixing chamber 10, mix biological fuel gas and combustion air more abundant.It is understood that may be used also in the present invention
Combustion-aid air pipe 30 to be sheathed in biomass fuel tracheae 20；It can also be by 20 phase of combustion-aid air pipe 30 and biomass fuel tracheae
It is mutually independent, and two gas feeds are opened up on main casing 1, so that combustion-aid air pipe 30 is passed through a gas feed for combustion air
It is sent into mixing chamber 10, biological fuel gas is sent into mixing chamber 10 by another gas feed by biomass fuel tracheae 20
It is interior.
In the present embodiment, combustion-aid air pipe 30 includes square pipe and circular pipe, and circular pipe is sheathed on biomass fuel
Outside tracheae 20, the central axis upright of square pipe is in the central axis of circular pipe, one end of square pipe and circular pipe
Air intlet 301 is arranged in connection, the other end.It is understood that the structure of combustion-aid air pipe 30 is not limited in the present invention
Above structure can be spliced with two circular pipes.In order to filter the impurity in combustion air, set in air intlet 301
Set strainer 32.
Referring to Figure 2 to Figure 4, in order to improve the combustion rate of biological fuel gas, it is desirable that biological fuel gas and combustion air need to be pressed
It is mixed according to certain ratio, the first adjusting door 33 is respectively set in combustion air channel 31 and biological fuel gas channel 21 thus
Door 22 is adjusted with second, the first adjusting door 33 and the second adjusting door 22 are respectively used to adjust the combustion-supporting sky being sent into mixing chamber 10
Tolerance and biomass fuel tolerance.
Referring to Fig. 4, above-mentioned first adjusting door 33 includes the first air door 331 and first being placed in combustion air channel 31
Adjusting rod 332, the first adjusting rod 332 are connected to the first air door 331, and the both ends of the first adjusting rod 332 are rotationally connected with respectively to be helped
Fire 30 side wall of air hose.Drive the rotation of the first air door 331 with the rotation of the first air door 331 by the first adjusting rod 332, to adjust sky
The aperture of gas import 301 then adjusts the combustion-supporting air quantity being sent into combustion air channel 31.
In the present embodiment, the first air door 331 is set in square pipe, and the first air door 331 is rectangular slab.Due to square pipe
Radial section it is larger, usually be arranged two the first air doors 331, it is desirable that two 331 collective effects of the first air door can close completely
Combustion air channel 31 is closed, corresponding first adjusting rod 332 also configures two.In the present invention, the quantity of the first air door 331 is not
Be only limitted to two, can also be one or three or more.Two the first adjusting rods 332 are arranged in parallel and are connected to one
First air door 331, each first air door 331 and corresponding first adjusting rod 332 are connected by least two pairs of bolts nut structure,
It is not limited to above-mentioned connection type, can also be welding, clamping etc..The both ends of each first adjusting rod 332 pass through respectively
Bearing is rotationally connected with the side wall of square pipe, two 332 synchronization actions of the first adjusting rod, and each first adjusting rod 332 rotates
It is able to drive corresponding first air door 331 to rotate, then adjusts the combustion-supporting air quantity being sent into mixing chamber 10.
Referring to Fig. 2 and Fig. 3, above-mentioned second adjusting door 22 includes the second air door 221 being placed in biological fuel gas channel 21,
And it is connected to the second adjusting rod 222 of the second air door 221, the both ends of the second adjusting rod 222 are rotationally connected with biomass fuel respectively
Tracheae 20.Drive the rotation of the first air door 331 with the rotation of the first air door 331 by the first adjusting rod 332, to adjust air intlet
301 aperture then adjusts the combustion-supporting air quantity being sent into combustion air channel 31.In the present embodiment, the second air door 221 is circle
Shape plate, so that the second air door 221 can completely close biological fuel gas channel 21.Second adjusting rod 222 and the second air door 221 are logical
At least two pairs of bolts nut structure connection is crossed, it is not limited to above-mentioned connection type, can also be welding, clamping etc..Second
The both ends of adjusting rod 222 pass through the circumferential side wall that bearing is rotationally connected with biomass fuel tracheae 20 respectively.Second 222 turns of adjusting rod
It is dynamic, it is able to drive the rotation of the second air door 221, then adjusts the biomass fuel tolerance being sent into mixing chamber 10.
In order to realize the automatic rotation of the first air door 331, the second air door 221, above-mentioned first adjusting door 33 further includes driving
That first driving unit (not shown) of first adjusting rod 332 rotation, the second adjusting door 22 further include that driving second is adjusted
The second driving unit (not shown) that pole 222 rotates, the first driving unit and the second driving unit are electrically connected to control
Device processed, the first driving unit and the second driving unit can be realized the structure of rotation for motor etc..In the present embodiment, first
Adjusting door 33 further includes the first synchronous rotation component, and to realize that two the first adjusting rods 332 rotate synchronously, rotating synchronously component can
To use brace and connecting rod framework, it is to be understood that can also be not provided with rotating synchronously component in the present invention, using two first
Driving unit respectively drives two the second adjusting rod 222 rotations, controls two the first driving unit synchronization actions by controller.
As shown in figure 5, above-mentioned dual burner further includes circulation passage 40, both ends respectively with mixing chamber 10 and burning
Chamber 60 is connected to.In order to save installation space, the central axis of the central axis and biomass fuel tracheae 20 that make circulation passage 40 hangs down
Directly, that is to say, that the mixed gas into combustion air or biological fuel gas and combustion air in mixing chamber 10 is needed mixed
It closes and enters in circulation passage 40 after changing direction in chamber 10.For this purpose, combustion fan is arranged in mixing chamber 10 referring to Fig. 4
13, the mixed gas of combustion air or biological fuel gas and combustion air in mixing chamber 10 is sent into through circulation passage 40 and is fired
It burns in chamber 60.In the present embodiment, combustion fan 13 include eddy flow fan 132 and and driving eddy flow fan 132 rotate motor
131, the centerline axis parallel of eddy flow fan 132 is helped in the central axis of biomass fuel tracheae 20 from what gas feed 11 entered
The mixed gas of combustion air or biological fuel gas and combustion air enters in eddy flow fan 132 from the inlet end of eddy flow fan 132.
Motor 131 is electrically connected to controller, and controller controls motor 131 and eddy flow fan 132 is driven to rotate, combustion air or biomass fuel
The mixed gas of gas and combustion air is from back-out between each blade of eddy flow fan 132 and enters in circulation passage 40.It is sending
When entering the mixed gas that gas in mixing chamber 10 is biological fuel gas and combustion air, also having makes biological fuel gas and helps
Combustion air mixes more uniform effect.
In order to further improve the mixed effect of biological fuel gas and combustion air, water conservancy diversion is set in mixing chamber 10
Structure 12 send the combustion air entered in mixing chamber 10 or mixed gas to combustion fan 13.Specifically, flow-guiding structure
12 include the deflector and flow-guiding channel being located between the main casing 1 of 11 position of first flange and gas feed, flow-guiding channel
Both ends difference face gas feed 11 and eddy flow fan 132 inlet end setting, flow through the combustion air of gas feed 11
Or the mixed gas of combustion air and biological fuel gas is entered in eddy flow fan 132 by flow-guiding channel.In the present embodiment, along gas
The internal diameter of body flow direction flow-guiding channel is then become larger by small again by gradually becoming smaller greatly.
As shown in Figure 5 and Figure 6, above-mentioned dual burner further includes runner pipe 4, which includes along gas flowing side
To the rectangular tube and gradient tube being sequentially communicated, the inner cavity of rectangular tube forms square duct 41, and it is logical that the inner cavity of gradient tube forms gradual change
Road 42, square duct 41 and gradual change channel 42, which are connected to, is collectively formed above-mentioned circulation passage 40, and one end of rectangular tube is connected to main casing
Body 1 is connected to circulation passage 40 with mixing chamber 10.Above-mentioned gradient tube be connected to rectangular tube one end radial section be it is rectangular,
The radial section of the other end is circle；Above-mentioned gradient tube is that four corner angle of a rectangular tube are become multiple conical plates.By setting
Gradient tube is set, makes the radial section of runner pipe 4 by rectangular variation to be round, to adapt to installation requirements and air-flow flow demand,
And 40 inner wall of circulation passage can be made there are multiple corner angle, mix combustion air and biological fuel gas more uniform.
Third is equipped in above-mentioned circulation passage 40 and adjusts door 43, is sent into helping in combustion chamber 60 through mixing chamber 10 to adjust
Air capacity is fired, or adjusts the gaseous mixture scale of construction formed after combustion air and biological fuel gas mixing.Specifically, third adjusts door 43
Including the third driving unit 433 that third air door 431, third adjusting rod 432 and driving third adjusting rod 432 rotate, third wind
Door 431 is located in rectangular tube, and third adjusting rod 432 is connected to third air door 431, and the both ends of third adjusting rod 432 rotate respectively
It is connected to 4 side wall of runner pipe.Third driving unit 433 is electrically connected to controller.Third driving unit 433 can be motor,
It can be other structures that third adjusting rod 432 can be driven to rotate.431 turns of third air door are driven by third adjusting rod 432
It is dynamic, to adjust the mixed gas formed after the combustion-supporting air quantity being sent into combustion chamber 60 or combustion air and biological fuel gas mixing
Amount.
In the present embodiment, third air door 431 is set in rectangular tube, since the radial section of rectangular tube is larger, third air door
431 are equipped with it is not limited to two, it is desirable that two third air doors 431 can completely close circulation passage 40, corresponding third
Adjusting rod 432 also is provided with two.Two third adjusting rods 432 are arranged in parallel and are connected to a third air door 431, each
Third air door 431 is connected with corresponding third adjusting rod 432 by least two pairs of bolts nut structure, it is not limited to above-mentioned
Connection type can also be welding, clamping etc..The both ends of each third adjusting rod 432 pass through the bearing side of being rotationally connected with respectively
The side wall of shape pipe, two 432 synchronization actions of third adjusting rod, each rotation of third adjusting rod 432 are able to drive corresponding third
Air door 431 rotates, and then adjusts shape after being sent into the combustion-supporting air quantity in combustion chamber 60 or combustion air and biological fuel gas mixing
At the gaseous mixture scale of construction.
In order to realize that two third adjusting rods 432 rotate synchronously, above-mentioned third air door 431 further includes the second synchronous rotation group
Part 434, third driving unit 433 drive one of third air door 431 to rotate, and drive one by third driving unit 433
Third adjusting rod 432 rotates, and drives another third adjusting rod 432 to rotate by the third adjusting rod 432.In the present embodiment,
The second synchronous rotation component 434 is crank link mechanism, and specifically, above-mentioned second synchronous rotation component 434 includes being connected to
The crank 4341 of each third adjusting rod 432 connects the connecting rod 4342 of two cranks 4341.It is understood that of the invention
In, the structure of the second synchronous rotation component 434 is not limited in above structure, can also be other structures, can such as use two
A third driving unit 433 respectively drives two third adjusting rods 432 and rotates, and controls two third driving units by controller
433 synchronization actions.
It further includes fixed throttle 435 that third, which adjusts door 43, and fixed throttle 435 is set between two third air doors 431 and phase
It is fixed for runner pipe 4, two third air doors 431 can be made to be connected to fixed wind respectively by rotating two third air doors 431
The both ends of door 435, to be connected to or disconnect mixing chamber 10 and combustion chamber 60.Above-mentioned dual burner further includes igniter 5, is used for
For lighting the mixed gas of the natural gas being admitted in combustion chamber 60 and/or biological fuel gas and combustion air.5 electricity of igniter
It is connected to controller, the igniter 5 in the present embodiment is burning torch.One end of igniter 5 is placed in outside main casing 1, the other end from
It is protruded into mixing chamber 10 outside main casing 1, and sequentially passes through mixing chamber 10, fixed throttle 435, and subsequently point to combustion chamber 60.
In order to avoid igniter 5 causes to interfere to the rotation of eddy flow fan 132, igniter 5 is being located at flow-guiding structure 12 just
Top.And the effect that fixed throttle 435 is set be in order to wear igniter 5, on this basis, the fixed throttle in the present embodiment
435 include the air door plate of two settings at an acute angle, along the distance between the opposite sides face of two air door plates of gas flow direction
It is gradually increased.The fixed throttle 435 of above structure flows gas to the surrounding of circulation passage 40, further makes combustion air
It is mixedly more uniform with biological fuel gas.Igniter is arranged on one of air door plate to perforate, in order to which igniter 5 passes through.
Referring to Fig. 5, for the ease of being overhauled to above-mentioned third adjusting door 43 or gas spraying mouth structure 6, in runner pipe 4
Side wall access hole is set, access hole is removably connected with maintenance door 421.Specifically, access hole is set on gradient tube, maintenance door
421 are connected to access hole by multipair bolt, nut structure.In the present embodiment, there are two access hole is set, it is respectively arranged on gradient tube
Opposite sides face, corresponding maintenance door 421 also is provided with two.
As shown in fig. 7, above-mentioned dual burner further includes gas spraying mouth structure 6, the gas spraying mouth structure 6 include with
The combustion chamber 60 that mixing chamber 10 is connected to, and the natural gas channel being connected to combustion chamber 60.In the present embodiment, natural gas channel packet
It includes outer tube 61, inner tube 62 and multiple natural gas branch pipes 63 circumferentially distributed along inner tube 62, outer tube 61 to be sheathed on outside inner tube 62, inner tube
62 are equipped with the first perforating, and one end of multiple natural gas branch pipes 63 is placed between outer tube 61 and inner tube 62, and the other end passes through the
One perforating is simultaneously bent to extend along gas flow direction, and the natural gas between outer tube 61 and inner tube 62 is made to pass through natural gas branch pipe
63 are sent into combustion chamber 60.
Specifically, the both ends of outer tube 61 pass through second flange 64 respectively and the first sealing plate 65 is connected to inner tube 62, outer tube 61,
The region that second flange 64, inner tube 62 and the first sealing plate 65 surround forms natural gas chamber 70.
The axial length of outer tube 61 is less than the axial length of inner tube 62, is equipped with central tube 66 in inner tube 62, in central tube 66
Chamber forms combustion chamber 60, and outer tube 61 and central tube 66 are arranged along gas flow, i.e. the upstream that is located at central tube 66 of outer tube 61, center
The downstream of pipe 66 is connect with the downstream of inner tube 62 by the second sealing plate 67,66 outer wall of central tube, 62 inner wall of inner tube, the second envelope
The region that plate 67 is encircled a city forms dispersion chamber 80, region between 66 upstream end of central tube and inner tube 62 formed dispersion chamber 80 into
Mouthful, the downstream of central tube 66 is equipped with multiple circumferentially distributed air inlets 661, and multiple air inlets 661 are circumferential to be uniformly distributed, and enters
A part of gas in inner tube 62 is sent into combustion chamber 60 by natural gas branch pipe 63, and another part gas enters dispersion chamber 80
It is interior, then entered in combustion chamber 60 by air inlet 661, keep the burning of natural gas and biological fuel gas more abundant.
As shown in Figure 7 and Figure 8, spiral board 68 is equipped in central tube 66, spiral board 68 and air inlet 661 are located at central tube 66
Axial ends, make enter combustion chamber 60 in combustion air, biological fuel gas and natural gas mixing it is more uniform, improve
The burn-off rate of fuel.Spiral board 68 is equipped with the natural vent hole of 63 outlet side of face natural gas branch pipe, face igniter 5 is arranged
Fire hole 685 and it is several formed swirl vane whirl hole.Specifically, spiral board 68 is equipped with multiple circumferentially distributed the
One swirl vane 681, multiple the second circumferentially distributed swirl vanes 682, multiple the first circumferentially distributed natural vent holes 683,
Multiple circumferentially distributed the second natural vent holes 684 and fire hole 685, wherein the first swirl vane 681, the first natural vent hole
683, the second swirl vane 682, the second natural vent hole 684 are sequentially distributed from outside to inside along 68 radial direction of spiral board, fire hole 685
Between two neighboring second swirl vane 682.Igniter 5 is located at the upstream of spiral board 68, and the igniting of igniter 5 is rectified
Fire hole 685 is arranged.In the present embodiment, the first swirl vane 681 is equipped with 20 and is uniformly distributed, the first natural vent hole
683 are equipped with and 15 and are uniformly distributed, and the second swirl vane 682 is equipped with 11,11 the second swirl vanes 682 and a fire hole
685 are circumferentially uniformly distributed, and the second natural vent hole 684 is equipped with 6 and is uniformly distributed.
Natural gas branch pipe 63 protrudes into rear 90-degree bent in combustion chamber 60 and extends along gas flow direction, each natural gas branch
Pipe 63 includes the first branch pipe 631 and the second branch pipe 632, wherein one end of the first branch pipe 631 is placed in natural gas chamber 70, it is another
Inner tube 62 is protruded at end, and the second branch pipe 632 is located at the first branch pipe 631 and spiral board perpendicular to the first branch pipe 631, the second branch pipe 632
Between 68,631 the first natural vent hole 683 of face of the first branch pipe of part is arranged, 632 the second natural gas of face of the second branch pipe of part
Through-hole 684 is arranged.It is additionally provided with centre bore 686 on above-mentioned spiral board 68, during real work, spiral board 68 is located at air-flow
The portion gas of the side in direction downstream can flow to the other side of spiral board 68 by centre bore 686, make gas mixing more
Uniformly.
Referring to Fig. 7, above-mentioned dual burner further includes the pressure sensing cell 69 for detecting natural gas channel inner pressure,
The pressure in natural gas chamber 70 is specifically detected, which can be pressure gauge, pressure sensor etc., pass through
The pressure detected in natural gas chamber 70 is confirmed whether there are problems that natural gas leakage.Specifically, natural gas chamber has
Natural gas inlet pipe, natural gas inlet pipe are connected with the 4th adjusting door, and the 4th adjusting door is used to adjust the day being sent into natural gas inlet pipe
Right tolerance.If amount of natural gas determines in feeding natural gas inlet pipe, the pressure in natural gas chamber 70 is also determined that, specifically may be used
To be determined according to multiplicating test.If the detected value of pressure sensing cell 69 not be sent into natural gas inlet pipe in it is natural
Test corresponding to tolerance determines in pressure limit, then it is assumed that there are leakage problem or blockage problems, convenient for reminding user timely
It is overhauled, improves security performance.The structure and the domestic gas cover adjusting structure of amount of natural gas of 4th adjusting door are similar, difference
The 4th adjusting door being only that in the present embodiment is electrically connected to controller, adjusts door by controller control the 4th and acts, and the 4th
The structure for adjusting door no longer specifically describes herein.
Fuel is different, and the working condition of above-mentioned dual burner is different, and dual burner includes two kinds of works in the present embodiment
Make situation.The first working condition is that fuel is natural gas, and controller control the 4th adjusts door, the first adjusting door 33, third tune
Section door 43, igniter 5, combustion fan 13 work, and the second adjusting door 22 is in close state, and combustion air is logical by combustion air
Road 31 enters in mixing chamber 10, and under the action of combustion fan 13, is sent into combustion chamber 60 through circulation passage 40；Natural gas
Through the combustion gas through-hole on natural gas chamber 70, natural gas branch pipe 63, spiral board 68, then it is ignited device 5 and lights.
Second of working condition be fuel be biological fuel gas, controller control first adjust door 33, second adjust door 22,
Third adjusts door 43, igniter 5, combustion fan 13 and works, and the 4th adjusting door is in close state, and combustion air passes through combustion-supporting sky
Gas channel 31 enters in mixing chamber 10, and biological fuel gas is entered in mixing chamber 10 by biological fuel gas channel 21, and
It after being sufficiently mixed under the action of combustion fan 13, and is sent into combustion chamber 60 through circulation passage 40, is ignited device 5 and lights.
The third working condition is that fuel is biological fuel gas and natural gas, and controller control first adjusts door 33, second
It adjusts door 22, the third adjusting adjusting of door the 43, the 4th door, igniter 5, combustion fan 13 to work, combustion air passes through combustion air
Channel 31 enters in mixing chamber 10, and biological fuel gas is entered in mixing chamber 10 by biological fuel gas channel 21, and is being helped
It after being sufficiently mixed under the action of combustion blower 13, and is sent into combustion chamber 60 through circulation passage 40, is ignited device 5 and lights；Day simultaneously
Right gas is then ignited device 5 and lights through the combustion gas through-hole on natural gas chamber 70, natural gas branch pipe 63, spiral board 68.
In above-described embodiment, it should be noted that due to the first driving unit, the second driving unit and third driving unit
433 can be realized the structure of rotation for motor etc., and controller and motor etc. can be realized and how to be electrically connected between the structure of rotation
It is connected in the prior art, superfluous chat is not repeated herein.How the motor 131 of combustion fan 13, igniter 5 etc. are electrically connected with controller
It also is the prior art, it is no longer superfluous herein to chat.
Obviously, the above embodiment of the present invention is just for the sake of clearly illustrating examples made by the present invention, and being not is pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention
Protection scope within.
In the description of the present application, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for describe the application and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.In addition, term " first ", " second ", only
For descriptive purposes, it is not understood to indicate or imply relative importance.Wherein, term " first position " and " second position "
For two different positions.
In the description of the present application, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in application.
Claims (10)
1. a kind of dual burner, including the mixing chamber (10) for mixing biomass combustion gas and combustion air, feature exists
In, further includes:
First, which adjusts door (33) and second, adjusts door (22), is respectively used to adjust the combustion-supporting sky being sent into the mixing chamber (10)
Tolerance and biomass fuel tolerance；
Gas spraying mouth structure (6) comprising the combustion chamber (60) being connected to the mixing chamber (10), and with the combustion chamber
(60) the natural gas channel being connected to；
Third adjusts door (43), for adjusting the combustion air being sent into the combustion chamber (60) through the mixing chamber (10)
Amount, or adjust the gaseous mixture scale of construction formed after combustion air and biological fuel gas mixing；
Igniter (5), for lighting the natural gas being admitted in the combustion chamber (60) and/or biological fuel gas and combustion air
Mixed gas.
2. dual burner according to claim 1, which is characterized in that further include combustion fan (13), be configured as by
Mixed gas or combustion air in the mixing chamber (10) are sent into the combustion chamber (60).
3. dual burner according to claim 2, which is characterized in that be equipped with flow-guiding structure in the mixing chamber (10)
(12), it is configured as sending the combustion air entered in the mixing chamber (10) or mixed gas to the combustion fan
(13)。
4. dual burner according to claim 1, which is characterized in that further include circulation passage (40), both ends difference
It is connected to the mixing chamber (10) and the combustion chamber (60)；
The central axis and the biological fuel gas of the circulation passage (40) are sent into the direction shape in the mixing chamber (10)
At angle.
5. dual burner according to claim 4, which is characterized in that the third adjusts door (43) and includes:
Third air door (431) is placed in the circulation passage (40) and can rotate relative to the circulation passage (40) to connect
On-off opens the mixing chamber (10) and the combustion chamber (60)；
Third driving unit (433) can drive the third air door (431) to rotate.
6. dual burner according to claim 5, which is characterized in that it further includes fixed wind that the third, which adjusts door (43),
Door (435), the third air door (431) can be connected to the fixed throttle (435)；One end of the igniter (5) is placed in
Outside, the other end sequentially passes through described in the mixing chamber (10), the fixed throttle (435) and direction the mixing chamber (10)
Combustion chamber (60).
7. dual burner according to claim 6, which is characterized in that the fixed throttle (435) includes two in sharp
The air door plate of angle setting, is gradually increased along the distance between two air door plate opposite sides faces of gas flow direction.
8. dual burner according to claim 1, which is characterized in that the natural gas channel includes:
Inner tube (62), outer tube (61), the outer tube (61) are sheathed in said inner tube (62)；
Multiple natural gas branch pipes (63), circumferentially distributed along said inner tube (62), one end of each natural gas branch pipe (63) is set
Between the outer tube (61) and inner tube (62), the other end penetrates said inner tube (62) and bends to gas flow direction.
9. dual burner according to claim 8, which is characterized in that central tube (66) are equipped in said inner tube (62),
Dispersion chamber (80) is formed between said inner tube (62) and the central tube (66), central tube (66) inner cavity forms the burning
Chamber (60)；
The mixed gas of portion of natural gas and/or part combustion air and/or part combustion air and biological fuel gas enters institute
It states in dispersion chamber (80) and enters in the combustion chamber (60) from multiple air inlets (661) on the central tube (66).
10. dual burner according to claim 8, which is characterized in that be equipped with spiral board in the combustion chamber (60)
(68), the natural gas branch pipe (63), the igniter (5) are respectively positioned on the upstream of the spiral board (68)；
The spiral board (68) is equipped with described in the natural vent hole of natural gas branch pipe (63) outlet side described in face, face and lights a fire
The fire hole (685) of device (5) setting and several whirl holes for forming swirl vane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910156553.9A CN109708109A (en) | 2019-03-01 | 2019-03-01 | A kind of dual burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910156553.9A CN109708109A (en) | 2019-03-01 | 2019-03-01 | A kind of dual burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109708109A true CN109708109A (en) | 2019-05-03 |
Family
ID=66266050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910156553.9A Pending CN109708109A (en) | 2019-03-01 | 2019-03-01 | A kind of dual burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109708109A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108036313A (en) * | 2017-12-29 | 2018-05-15 | 广州优的新能源科技有限公司 | Biological fuel gas and natural gas dual burner |
| CN207999824U (en) * | 2018-03-14 | 2018-10-23 | 无锡赛威特燃烧器制造有限公司 | Natural gas, coke-stove gas dual-purpose type burner |
| CN209655293U (en) * | 2019-03-01 | 2019-11-19 | 烟台龙源电力技术股份有限公司 | A kind of dual burner |
-
2019
- 2019-03-01 CN CN201910156553.9A patent/CN109708109A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108036313A (en) * | 2017-12-29 | 2018-05-15 | 广州优的新能源科技有限公司 | Biological fuel gas and natural gas dual burner |
| CN207999824U (en) * | 2018-03-14 | 2018-10-23 | 无锡赛威特燃烧器制造有限公司 | Natural gas, coke-stove gas dual-purpose type burner |
| CN209655293U (en) * | 2019-03-01 | 2019-11-19 | 烟台龙源电力技术股份有限公司 | A kind of dual burner |
Non-Patent Citations (1)
| Title |
|---|
| 沐风网>模型库）机械设备>通用设备>燃烧器>丛维熙: "工业燃烧器", Retrieved from the Internet <URL:https://www.mfcad.com/tuzhi/ug/6024/115196.html> * |
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