CN208349296U - From preheating temperature adjustment fuel burner nozzle - Google Patents
From preheating temperature adjustment fuel burner nozzle Download PDFInfo
- Publication number
- CN208349296U CN208349296U CN201820775691.6U CN201820775691U CN208349296U CN 208349296 U CN208349296 U CN 208349296U CN 201820775691 U CN201820775691 U CN 201820775691U CN 208349296 U CN208349296 U CN 208349296U
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- shell
- diversion pipe
- fuel gas
- gas conduit
- air
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Abstract
The utility model relates to technical field of combustion equipment, more particularly to preheating temperature adjustment fuel burner nozzle certainly, including, fuel gas conduit, primary air diversion pipe, auxiliary air diversion pipe, primary air diversion pipe is arranged in enclosure interior, primary air diversion pipe coaxial sleeve is connected in the outside of fuel gas conduit, auxiliary air diversion pipe with the outlet side of fuel gas conduit.Certainly preheating temperature adjustment fuel burner nozzle provided by the utility model, air inflow flame temperature by controlling auxiliary air diversion pipe is adjusted, simultaneously mix auxiliary air and flue gas, the temperature for reducing flue gas, keeps flame temperature adjustable, and the heat that flue gas carries can be swapped with primary air, it is more suitable for primary air combustion-supporting, the heat for reducing flue gas simultaneously, improves the temperature of combustion air, to save the energy.
Description
Technical field
The utility model relates to technical field of combustion equipment, and in particular to from preheating temperature adjustment fuel burner nozzle.
Background technique
Soil pollutant is broadly divided into inorganic pollution and organic pollutant two major classes.Inorganic pollution mainly includes
Acid, alkali, heavy metal, salt, radioactive element caesium, the compound of strontium, containing arsenic, selenium, compound of fluorine etc..Organic pollutant is main
It is brought including organic agricultural chemicals, phenols, cyanide, petroleum, synthetic detergent, BaP and by municipal sewage, sludge and barnyard manure
Harmful microorganism etc..It is excessive when containing hazardous substance in soil, more than the self-purification capacity of soil, will cause composition of the soil,
Structure and function changes, and microbial activities is suppressed, and gradually accumulation is logical in the soil for harmful substance or its decomposition product
It crosses " soil → plant → human body ", or be absorbed by the body indirectly by " soil → water → human body ", reaches and be detrimental to health
Degree.
And after soil is contaminated, it is difficult quickly to repair, general soil purification needs three, 40 years time, contaminated
Soil brings huge harm, crop production reduction and quality of agricultural product reduction, underground water and surface water pollution, atmosphere to the mankind
Environmental quality reduces, human health is on the hazard, and soil remediation is extremely urgent.
So needing quickly to repair soil using modern technologies, there are many current soil restoring technology method, greatly
Cause can be divided into physics, chemistry and biological three kinds of methods, wherein being heated to heating method to the soil being polluted by organic matter organic
More than object boiling point, the method for making the organic matter in absorption soil be volatilized into separating treatment again after gaseous state is most widely used.
Fuel burner nozzle is arranged in well head current fuel burner nozzle, and burned flame sprays to heat radiation tube, to heat radiation tube
It is heated, soil is heated by heat radiation tube, but heating temperature is uncontrollable.
Utility model content
The technical problem to be solved by the present invention is to overcome in the prior art fuel burner nozzle heating temperature it is uncontrollable
Defect.
For this purpose, the technical solution used, the utility model is provided from preheating temperature adjustment fuel burner nozzle, comprising:
Shell；
Fuel gas conduit is extended along shell axis direction, and inlet end is set to enclosure interior, and shell is stretched out in outlet side
Outside, and the fuel gas inlet being connected to the inlet end of the fuel gas conduit is provided on the shell；
Primary air diversion pipe, for coaxial sleeve in the outside of fuel gas conduit, inlet end is set to enclosure interior, and outlet side is stretched out
Shell and extend to the fuel gas conduit outlet end outside, and be provided on the shell and the primary air diversion pipe
Inlet end connection primary air air inlet；
Auxiliary air diversion pipe, for coaxial sleeve in the outside of fuel gas conduit, inlet end is set to enclosure interior, and outlet side is stretched out
Shell and extend to the fuel gas conduit outlet end outside, and be provided on the shell and the auxiliary air diversion pipe
Inlet end connection auxiliary air air inlet；
Flue gas diversion pipe, coaxial sleeve are set to enclosure interior in the outside of the auxiliary air diversion pipe, outlet side,
Inlet end stretches out shell and extends to the outside of the outlet end of the fuel gas conduit, is provided with and the flue gas water conservancy diversion on the shell
The flue gas emission mouth of the outlet side connection of pipe.
In order to increase the heated perimeter of burner, since the fire end of burner will protrude into underground, when in order to make burner work
Structure is more stable, reduces the area occupied of fuel gas conduit aerial part, and preferred technical solution is that shell is stretched out in fuel gas conduit outlet side
The length of body is greater than the length that its inlet end stretches out shell.
In order to make primary air and combustion gas mixing be easier to light, preferred technical solution is that primary air diversion pipe is remote
One end of shrinking away from theshell body is slightly longer than the one end of fuel gas conduit far from shell.
In order to make primary air and combustion gas mixing be easier to light, primary air and contacts fuel gas area are bigger, and make
Primary air air and combustion gas mixing more sufficiently, preferred technical solution is that fuel gas conduit connects air far from one end of shell
Air deflector is provided through several gap on the side wall of air deflector.
In order to keep primary air and contacts fuel gas area bigger, and make more filling for primary air air and combustion gas mixing
Point, while it is pre-mixed primary air and combustion gas before ignition, keep fuel gas buring more abundant, further preferred technical side
Case is that air deflector is equipped with the axial stomata of multiple perforations, the tube wall of air deflector close to the periphery of fuel gas conduit outlet side
Circumferential position is equipped with the radial stomata of multiple perforations.
In order to make flame combustion more sufficiently, and make that flame heat regulating is higher, more assembles, preferred technical solution is one
Secondary airflow duct connects combustion chamber far from one end of shell, and the one end of combustion chamber far from air deflector is setting of closing up.
In order to which the combustion gas that the outlet side of fuel gas conduit is discharged is easy to light, and igniter is not by combustion chamber high temperature shadow
It rings, it further includes the first igniter from temperature adjustment fuel burner nozzle is preheated that preferred technical solution, which is, is arranged on shell, and first
The firing tip of igniter is located at the outlet side of fuel gas conduit.
In order to make the temperature control of flame, while reduce heat in flue gas discharge process, by controlling auxiliary air
The air inflow flame temperature of diversion pipe is adjusted, while mixes auxiliary air and flue gas, further decreases flue-gas temperature, together
When further exchanged heat in flue gas exclusion process with auxiliary air, further decrease the temperature of flue gas, preferred technology
Scheme is, one end that auxiliary air diversion pipe stretches out shell connects heat exchanger tube, heat exchange pipe sleeve in the outside of primary air diversion pipe,
Heat exchanger tube extends to the outlet side of fuel gas conduit.
In order to be sufficiently mixed auxiliary air with flame and flue gas, the temperature of flame and flue gas is reduced, while making flame
The more aggregation of burning, heating efficiency is higher, and preferred technical solution is that heat exchanger tube is set far from one end of auxiliary air diversion pipe
The first closing in pipe is set, the first closing in pipe sleeve is in the outside of combustion chamber, and first, which closes up, is arranged gap between pipe and combustion chamber, first receives
The closing in diameter of mouth pipe is greater than the closing in diameter of combustion chamber.
Working principle provided by the utility model from preheating temperature adjustment fuel burner nozzle are as follows: firstly, fuel burner nozzle is protruded into soil
In earth, be passed through combustion gas in fuel gas conduit, primary air air inlet is passed through combustion-supporting gas, combustion-supporting gas by primary air diversion pipe with
Combustion gas mixing, the first igniter light combustion gas；Gap, axial stomata, radial stomata make combustion-supporting gas and combustion gas mixing more
Sufficiently, it burns more abundant；Cooling air is passed through in auxiliary air diversion pipe, cooling air is imported at flame, it is mixed with flame,
The temperature of flame is reduced, thus the temperature that regulating gas burner jets out flames, while sufficient oxygen can be provided for flame combustion
Gas, combustion efficiency are more preferable, moreover it is possible to reduce the temperature of combustion chamber and the first closing in pipe, the flue gas and cooling air for generation of burning are mixed
It closes, reduces the temperature of flue gas, the process that flue gas leads to flue gas emission mouth is exchanged heat with cooling air by heat exchanger tube, further
The temperature for reducing flue gas discharge, has saved the energy.
Technical solutions of the utility model have the advantages that
Air inflow flame temperature by controlling auxiliary air diversion pipe is adjusted, while keeping auxiliary air and flue gas mixed
It closes, reduces the temperature of flue gas, keep flame temperature adjustable, and the heat that flue gas carries can be swapped with primary air, be made
Primary air is more suitable for heat that is combustion-supporting, while reducing flue gas, improves the temperature of combustion air, to save the energy.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the overall structure diagram of the utility model embodiment 1；
Fig. 2 is the structural schematic diagram of air deflector in the utility model；
Fig. 3 is the overall structure diagram of the utility model embodiment 2；
Fig. 4 is the overall structure diagram of the utility model embodiment 3
Wherein 1- shell；2- fuel gas conduit；3- primary air air inlet；The first igniter of 4-；5- primary air diversion pipe；6-
Air deflector；61- gap；62- axial direction stomata；63- radial direction stomata；The combustion chamber 7-；9- flue gas emission mouth；10- flue gas water conservancy diversion
Pipe；11- auxiliary air diversion pipe；12- auxiliary air air inlet；13- heat exchanger tube；14- first, which closes up, to manage；15- inner tube hanged hook；
16- combustible-gas detector；17- controller；18- second igniter；19- side opening；20- anti backfire valve；21- annular groove；22-
Two, which close up, manages；23- flue gas check valve.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
Embodiment 1
As shown in Figure 1, the utility model is provided from preheating temperature adjustment fuel burner nozzle, comprising: shell 1；
Fuel gas conduit 2 is located inside shell 1, and is arranged along 1 axis direction of shell, and shell is stretched out at the both ends of fuel gas conduit 2
The both ends of body 1；
Primary air diversion pipe 5 is set inside shell 1,5 coaxial sleeve of primary air diversion pipe is in the outside of fuel gas conduit 2, and one
Secondary airflow duct 5 is arranged close to one end of shell connection setting primary air air inlet 3, primary air air inlet 3 in shell 1
On, the one end of primary air diversion pipe 5 far from shell 1 is connected to the outlet side of fuel gas conduit 2；
Flue gas diversion pipe 10 is set inside shell 1,10 coaxial sleeve of flue gas diversion pipe in the outside of primary air diversion pipe 5,
Auxiliary air diversion pipe 11, the outlet side company of auxiliary air diversion pipe 11 and fuel gas conduit 2 are coaxially disposed inside flue gas diversion pipe 10
It is logical, gap, auxiliary air water conservancy diversion are respectively provided between auxiliary air diversion pipe 11 and flue gas diversion pipe 10 and primary air diversion pipe 5
One end of pipe 11 is located inside shell 1, and the other end is located at outside shell 1, and one end of flue gas diversion pipe 10 is connect with shell 1, separately
One end is connect with the end part seal that auxiliary air diversion pipe 11 is arranged in inside shell 1, is connected outside flue gas diversion pipe 10 and shell 1
It is logical；
Auxiliary air air inlet 12 is arranged in 1 side of shell, and auxiliary air air inlet 12 is connected to auxiliary air diversion pipe 11；
Flue gas emission mouth 9 is arranged in 1 side of shell, and flue gas emission mouth 9 is connected to flue gas diversion pipe 10.
In order to increase the heated perimeter of burner, since the fire end of burner will protrude into underground, when in order to make burner work
Structure is more stable, reduces the area occupied of 2 aerial part of fuel gas conduit, and preferred technical solution is that 2 outlet side of fuel gas conduit is stretched out
The length of shell 1 is greater than the length that its inlet end stretches out shell 1.
In order to make primary air and combustion gas mixing be easier to light, preferred technical solution is that primary air diversion pipe 5 is remote
One end of shrinking away from theshell body 1 is slightly longer than the one end of fuel gas conduit 2 far from shell 1.
In order to make primary air and combustion gas mixing be easier to light, primary air and contacts fuel gas area are bigger, and make
Primary air air and combustion gas mixing more sufficiently, preferred technical solution is that fuel gas conduit 2 connects empty far from one end of shell 1
Gas air deflector 6 is provided through several gap 61 on the side wall of air deflector 6.
In order to keep primary air and contacts fuel gas area bigger, and make more filling for primary air air and combustion gas mixing
Point, while it is pre-mixed primary air and combustion gas before ignition, keep fuel gas buring more abundant, further preferred technical side
Case is that air deflector 6 is equipped with the axial stomata 62 of multiple perforations close to the periphery of 2 outlet side of fuel gas conduit, air deflector 6
Location around tube wall is equipped with the radial stomata 63 of multiple perforations.
In order to make flame combustion more sufficiently, and make that flame heat regulating is higher, more assembles, preferred technical solution is one
Secondary airflow duct connects combustion chamber far from one end of shell, and the one end of combustion chamber 7 far from air deflector 6 is setting of closing up.
In order to which the combustion gas that the outlet side of fuel gas conduit is discharged is easy to light, and igniter is not by combustion chamber high temperature shadow
It rings, it further includes the first igniter 4 from temperature adjustment fuel burner nozzle is preheated that preferred technical solution, which is, it is arranged on shell 1, and the
The firing tip of one igniter 4 is located at the outlet side of fuel gas conduit 2.
In order to make the temperature control of flame, while reduce heat in flue gas discharge process, by controlling auxiliary air
The air inflow flame temperature of diversion pipe is adjusted, while mixes auxiliary air and flue gas, further decreases flue-gas temperature, together
When further exchanged heat in flue gas exclusion process with auxiliary air, further decrease the temperature of flue gas, preferred technology
Scheme is that one end that auxiliary air diversion pipe 11 stretches out shell 1 connects heat exchanger tube 13, and 13 sets of heat exchanger tube in primary air diversion pipe
5 outside, heat exchanger tube 13 extend to the outlet side of fuel gas conduit 2.
In order to be sufficiently mixed auxiliary air with flame and flue gas, the temperature of flame and flue gas is reduced, while making flame
The more aggregation of burning, heating efficiency is higher, and preferred technical solution is, heat exchanger tube 13 far from auxiliary air diversion pipe 11 one
The first closing in pipe 14 of end setting, outside of first 14 sets of the closing in pipe in combustion chamber 7 is set between first closing in pipe 14 and combustion chamber 7
Gap is set, the closing in diameter of the first closing in pipe 14 is greater than the closing in diameter of combustion chamber 7.
Embodiment 2
As shown in figure 3, on the basis of embodiment 1, fuel gas buring is insufficient in order to prevent, it is arranged in flue gas emission mouth 9
Controller 17 is arranged on shell 1 for combustible-gas detector 16, and controller 17 is connect with external power supply, combustible-gas detector 16
It is connect with controller 17；Second igniter 18 is set outside first closing in pipe 14, second igniter 18 is connect with controller 17, the
The side of one closing in pipe 14 opens up several side openings 19, side opening 19 be located at second igniter 18 and the first closing in pipe 14 mouth end it
Between；When combustible-gas detector 16 detects fuel gas, controller 17 controls second igniter 18 and lights a fire, and side opening 19 is to combustion
It burns insufficient combustion gas and oxygen is provided, anti backfire valve 20 is set between ring flange 8 and primary air diversion pipe 5, fill burning not
The combustion gas divided carries out second-time burning, while heating to auxiliary air, avoids combustion gas and the waste of heat.
Embodiment 3
As shown in figure 4, on the basis of embodiment 1, annular groove 21, annular is arranged close to one end of shell 1 in heat exchanger tube 13
The lateral surface of slot 21 is connect with ring flange 8, and gap, the notch court of annular groove 21 is arranged in the medial surface and ring flange 8 of annular groove 21
To shell 1, the second closing in pipe 22, the osculum and two of the second closing in pipe 22 is arranged in one end that auxiliary air diversion pipe stretches out shell 1
Secondary airflow duct is tightly connected, and the osculum of the second closing in pipe 22 is arranged towards shell 1, the big opening end insertion of the second closing in pipe 22
In annular groove 21, and there is gap with annular groove 21, if dry flue gas check valve 23, flue gas check valve is arranged in the bottom of annular groove 21
23 between 21 lateral wall of annular groove and the second closing in pipe 22；Between flue gas passes through between the second closing in pipe 22 and annular groove 21
Gap is flowed to flue gas emission mouth 9, and gas cleaning liquid is injected in annular groove 21, and liquid water did not had the second closing in pipe 22, when combustion gas is fired
Vapor is generated after burning after heat exchanger tube 13, vapor condensation, liquid water flows into annular groove along 22 inner wall of the second closing in pipe
In 21, flue gas enters annular groove 21 by flue gas check valve 23, is purified by gas cleaning liquid, then outside annular groove 21
Enter flue gas emission mouth 9 between wall and the second closing in pipe 22.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes among the protection scope created still in the utility model.
Claims (9)
1. from preheating temperature adjustment fuel burner nozzle characterized by comprising
Shell (1)；
Fuel gas conduit (2) is extended along shell (1) axis direction, and inlet end is set to shell (1) inside, and outlet side is stretched
Shell (1) is external out, and the fuel gas inlet being connected to the inlet end of the fuel gas conduit (2) is provided on the shell (1)
(24)；
Primary air diversion pipe (5), for coaxial sleeve in the outside of fuel gas conduit (2), inlet end is set to shell (1) inside, outlet
End stretches out shell (1) and extends to the outside of the outlet end of the fuel gas conduit (2), and is provided on the shell (1) and institute
State the primary air air inlet (3) of the inlet end connection of primary air diversion pipe (5)；
Auxiliary air diversion pipe (11), for coaxial sleeve in the outside of fuel gas conduit (2), inlet end is set to shell (1) inside, outlet
End stretches out shell (1) and extends to the outside of the outlet end of the fuel gas conduit (2), and is provided on the shell (1) and institute
State the auxiliary air air inlet (12) of the inlet end connection of auxiliary air diversion pipe (11)；
Flue gas diversion pipe (10), coaxial sleeve are set to shell (1) in the outside of the auxiliary air diversion pipe (11), outlet side
Inside, inlet end stretch out shell (1) and extend to the outside of the outlet end of the fuel gas conduit (2), be arranged on the shell (1)
There is the flue gas emission mouth (9) being connected to the outlet side of the flue gas diversion pipe (10).
2. according to claim 1 from preheating temperature adjustment fuel burner nozzle, which is characterized in that shell is stretched out in fuel gas conduit (2) outlet side
The length of body (1) is greater than the length that its inlet end stretches out shell (1).
3. according to claim 1 from preheating temperature adjustment fuel burner nozzle, which is characterized in that primary air diversion pipe (5) is separate
One end of shell (1) is slightly longer than the one end of fuel gas conduit (2) far from shell (1).
4. according to claim 3 from preheating temperature adjustment fuel burner nozzle, which is characterized in that fuel gas conduit (2) is far from shell (1)
One end connects air deflector (6), is provided through several gap (61) on the side wall of air deflector (6).
5. according to claim 4 from preheating temperature adjustment fuel burner nozzle, which is characterized in that air deflector (6) is close to combustion gas
The periphery for managing (2) outlet side is equipped with the axial stomata (62) of multiple perforations, and the location around tube wall of air deflector (6) is equipped with more
The radial stomata (63) of a perforation.
6. according to claim 5 from preheating temperature adjustment fuel burner nozzle, which is characterized in that primary air diversion pipe (5) is separate
One end of shell (1) connects combustion chamber (7), and the one end of combustion chamber (7) far from air deflector (6) is setting of closing up.
7. according to claim 6 from preheating temperature adjustment fuel burner nozzle, which is characterized in that also wrapped from preheating temperature adjustment fuel burner nozzle
It includes the first igniter (4), is arranged on shell (1), and the firing tip of the first igniter (4) is located at the outlet of fuel gas conduit (2)
End.
8. according to claim 1 from preheating temperature adjustment fuel burner nozzle, which is characterized in that auxiliary air diversion pipe (11) stretches out
One end of shell (1) connects heat exchanger tube (13), and heat exchanger tube (13) is covered in the outside of auxiliary air diversion pipe (11), heat exchanger tube (13)
Extend to the outlet side of fuel gas conduit (2).
9. according to claim 8 from preheating temperature adjustment fuel burner nozzle, which is characterized in that heat exchanger tube (13) is far from auxiliary air
One end setting first of diversion pipe (11), which is closed up, manages (14), and the first closing in pipe (14) is covered to close up in the outside of combustion chamber (7), first
Gap is set between pipe (14) and combustion chamber (7), and the closing in that the first closing in diameter for closing up pipe (14) is greater than combustion chamber (7) is straight
Diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820775691.6U CN208349296U (en) | 2018-05-23 | 2018-05-23 | From preheating temperature adjustment fuel burner nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820775691.6U CN208349296U (en) | 2018-05-23 | 2018-05-23 | From preheating temperature adjustment fuel burner nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208349296U true CN208349296U (en) | 2019-01-08 |
Family
ID=64890407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820775691.6U Active CN208349296U (en) | 2018-05-23 | 2018-05-23 | From preheating temperature adjustment fuel burner nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208349296U (en) |
-
2018
- 2018-05-23 CN CN201820775691.6U patent/CN208349296U/en active Active
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