CN108488795A - A kind of porous nozzles and gas water jacket furnace low NO - Google Patents
A kind of porous nozzles and gas water jacket furnace low NO Download PDFInfo
- Publication number
- CN108488795A CN108488795A CN201810487927.0A CN201810487927A CN108488795A CN 108488795 A CN108488795 A CN 108488795A CN 201810487927 A CN201810487927 A CN 201810487927A CN 108488795 A CN108488795 A CN 108488795A
- Authority
- CN
- China
- Prior art keywords
- nozzles
- gas
- porous
- mixing chamber
- main body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 239000007789 gas Substances 0.000 claims abstract description 55
- 238000002485 combustion reaction Methods 0.000 claims abstract description 19
- 239000000567 combustion gas Substances 0.000 claims abstract description 11
- 239000002737 fuel gas Substances 0.000 claims abstract description 10
- 239000011159 matrix material Substances 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 5
- 238000005496 tempering Methods 0.000 claims 1
- 239000000446 fuel Substances 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000017525 heat dissipation Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 239000010779 crude oil Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000006196 drop Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 229910017464 nitrogen compound Inorganic materials 0.000 description 1
- 150000002830 nitrogen compounds Chemical class 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/48—Nozzles
- F23D14/58—Nozzles characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N1/00—Regulating fuel supply
- F23N1/02—Regulating fuel supply conjointly with air supply
Abstract
A kind of porous nozzles and gas water jacket furnace low NO, wherein porous nozzles include nozzles main body and gas mixing chamber, the nozzles main body is equipped with porous burner structure along fuel gas flow direction, and flame deflector is additionally provided in the nozzles main body of porous burner structure both sides；It further includes the ignition system for lighting combustion gas mixing indoor fuel gas for being connected to nozzles main body；The burner includes the porous nozzles of above structure, and the gas mixing chamber's connection gas pipeline and air supply duct of porous nozzles, gas pipeline is equipped with the solenoid valve for controlling gas flow.The present invention carries out disperses combustion using porous burner structure, and combustion flame point production is cut into multiple flammules by it, and flame heat dissipation area increases, and reduces flame peak temperature, reduces the generation of thermal NO x；Improved burner realizes fuel flow rate, air capacity and the flexible modulation of the duration of ignition, and can be in control pipeline and combustion gas mixing room pressure, prevent from being tempered, operation more convenient and safe.
Description
Technical field
The present invention relates to burner arts, especially a kind of porous nozzles and gas water jacket furnace low NO.
Background technology
During crude oil transmission, the control that water batch heater is glutinous for heating crude oil, drop, water batch heater are generally used
It is defeated to the collection of crude oil to play a crucial role.
But small-sized water batch heater (referring generally to the heating furnace that power is less than 500kW) high, nothing that there is NOx emission values at present
The problems such as method realization automatically controls.As country is higher and higher to environmental requirement, small-sized water batch heater existing at present exists big
The exceeded situation of flue gas emission value is measured, or even affects normal production and operation.
The burner of current water batch heater mostly uses greatly direct injection combustion, and not only fuel mixing uniformity is poor, burning
It is insufficient, and concentrated combustion is unfavorable for heat radiation, and excessively high flame temperature also will produce a large amount of environmentally harmful nitrogen
Compound, in order to improve the efficiency of burning and reduce pollutant, current water batch heater burner is typically designed more complicated
Burning layered structure, and multiple nuisance catalyst converter is set, not only Operation and Maintenance is complicated, and use cost is also higher, is unfavorable for
It promotes and applies.
Invention content
The object of the present invention is to provide a kind of porous nozzles and gas water jacket furnace low NOs, it has structure tight
It gathers, the advantages of easy and safe to operate and low azo-cycle is protected.
The present invention is achieved like this, a kind of porous nozzles, it includes nozzles main body and in nozzles main body
Gas mixing chamber, which is characterized in that the nozzles main body is equipped with porous burner structure, porous burner knot along fuel gas flow direction
It is additionally provided with flame deflector in the nozzles main body of structure both sides.
It further includes the ignition system for lighting combustion gas mixing indoor fuel gas for being connected to nozzles main body.
Preferably：The porous burner structure includes the panel vertical with fuel gas flow direction and on panel
The poroid combustion head of matrix arrangement.Ignition system is including extending into combustion gas mixing room, and the igniting plate opposite with panel, the point
Matrix arrangement has fire rod on fiery plate.
The present invention also describes a kind of gas water jacket furnace low NO, which is characterized in that it includes the more of above structure
Hole nozzles, the gas mixing chamber's connection gas pipeline and air supply duct of porous nozzles, gas pipeline are equipped with for controlling combustion gas
The solenoid valve of flow is equipped with wind turbine on air supply duct.
Preferably：It is also arranged with protection cylinder outside the porous nozzles, is also associated in protection cylinder by porous nozzles and wind
The partition board that machine and solenoid valve separate.
It further includes anti-backfire system, anti-backfire system include pressure sensor for detecting stream pressure and with pressure
The controller of force snesor electrical connection, the controller are connected with wind turbine, solenoid valve and ignition system control；The pressure sensing
Device includes at least the first pressure sensor and second pressure sensor being located in gas mixing chamber and air supply duct.
Gas pipeline and air supply duct are merging into premixing duct, premixing duct and combustion gas before gas mixing chamber
Mixing chamber is connected to away from the side of flame deflector.
Preferably：The premixing duct is additionally provided with the unilateral gate for preventing mixer reverse flow.
Beneficial effects of the present invention are：After being mixed with fuel present invention employs air, then by porous burner structure into
The scheme of row disperses combustion, the flame in gas mixing chamber after premixed combustion are cut combustion flame point production by porous burner structure
At multiple flammules, flame heat dissipation area increases, and reduces flame peak temperature, reduces the generation of thermal NO x；And flame passes through
Flame deflector has good heat radiation directivity and protective；Also the burner with the porous nozzles is changed
Into realizing fuel flow rate, air capacity and the flexible modulation of the duration of ignition, and can be in control pipeline and combustion gas mixing room
Pressure, operation more convenient and safe, while can also be achieved the functions such as burner automatic start-stop, remote monitoring.
Description of the drawings
Fig. 1 is the structural schematic diagram of the porous nozzles one embodiment of the present invention.
Fig. 2 is the structural schematic diagram of porous another embodiment of nozzles of the present invention.
Fig. 3 is the structural schematic diagram of gas water jacket furnace low NO one embodiment of the present invention.
Fig. 4 is the structural schematic diagram of another embodiment of gas water jacket furnace low NO of the present invention.
Fig. 5 is the side view after the porous nozzles of the present invention are connect with protection cylinder.
In the figure 1, nozzles main body 2, gas mixing chamber 3, porous burner structure 4, flame deflector 5, ignition system
6, gas pipeline 7, air supply duct 8, solenoid valve 9, wind turbine 10, protection cylinder 11, partition board 12, premixing duct 13, unidirectional
Door 14, controller.
Specific implementation mode
The specific implementation mode of the present invention is described further below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, the invention is realized in this way, the porous nozzles include nozzles main body 1 and are located at fiery
Gas mixing chamber 2 in mouth main body, is structurally characterized in that, the nozzles main body 1 is equipped with porous burner along fuel gas flow direction
Structure 3 is additionally provided with flame deflector 4 in the nozzles main body 1 of porous burner structure both sides.Present invention employs air and fuel are mixed
After conjunction, then by the scheme of the progress disperses combustion of porous burner structure 3, fuel gas and air first is pre- in gas mixing chamber 2
Combustion flame point production is cut into multiple flammules, flame heat dissipation area increases, and reduces by mixed burning by porous burner structure 3
Flame peak temperature reduces the generation of thermal NO x；And flame by flame deflector 4 there is the radiation of good heat to be directed toward
Property and protective.
In order to improve the reliability and stability of nozzles work, also design is optimized to its detailed structure in the present invention,
In the specific implementation, it further includes the ignition system 5 for lighting combustion gas in gas mixing chamber 2 for being connected to nozzles main body 1；Institute
State the hole that porous burner structure 3 includes the panel 301 and matrix arrangement positioned at panel 301 on vertical with fuel gas flow direction
Shape combustion head 302.In order to improve the uniformity of ignition, ignition system 5 is including extending into gas mixing chamber 2, and and face
The opposite igniting plate 501 of plate 301, matrix arrangement has fire rod on the igniting plate 501；In actual installation, the panel 301 is carried on the back
From igniting plate 501, the combustion gas in gas mixing chamber 2 is lighted by the fire rod of matrix arrangement simultaneously, gas mixing chamber is pre- in combustion
After mixed burning, by the 302 evenly dispersed burning of poroid combustion head on panel 301；It certainly, if necessary, can also be in hole
NOx catalysed particulates are arranged in 302 front of shape combustion head and the inside of close flame, to further decrease the production of harmful nitride
It is raw.
As shown in Figure 3 and Figure 4, the present invention also describes a kind of gas water jacket furnace low NO, it includes above structure
Porous nozzles, the gas mixing chamber 2 of porous nozzles is connected to gas pipeline 6 and air supply duct 7, and gas pipeline 6 is equipped with and is used for
The solenoid valve 8 of gas flow is controlled, wind turbine 9 is installed on air supply duct 7.The present invention is a kind of middle-size and small-size combustion of the solution that can be imitated
Air water blind roaster discharges the low NO of excessive problem；According to Actual combustion needs, distinguished by controlling solenoid valve 8 and wind turbine 9
Fuel delivery and air capacity are adjusted, mixing ratio is improved, to realize fully burning.
For the safety used, the present invention is also arranged with protection cylinder 10 outside the porous nozzles, as shown in figure 5, anti-
It is also associated with the partition board 11 for separating porous nozzles and wind turbine 9 and solenoid valve 8 on casing 10, utilizes protection cylinder 10 and partition board 11
Cooperation, the flame combustion part of burner and fuel can be conveyed and air delivery portion detaches, divide independent function
Subregion, burning are more safe and reliable.
Simultaneously, in order to improve the convenience of operation, it is also provided with anti-backfire system, anti-backfire system includes for examining
The controller 14 surveyed the pressure sensor of stream pressure and be electrically connected with pressure sensor, the controller 14 and wind turbine 9, electromagnetism
Valve 8 and the control connection of ignition system 5；The pressure sensor includes at least and is located at gas mixing chamber 2 and air supply duct 7
Interior first pressure sensor and second pressure sensor is detected the pressure of gaseous mixture using pressure sensor, avoided the occurrence of
High combustion-gas pressure realizes function of preventing back-fire, and coordinates solenoid valve 8, wind turbine 9 and ignition system 5, realizes The fuel stream
Amount, air capacity and the adjusting of the duration of ignition, also can flexibly change the pressure in pipeline and gas mixing chamber 2, operation and control
More convenient and safe, while can realize the functions such as burner automatic start-stop, remote monitoring.
In terms of pipeline, to make burning gases mix more uniform, the gas pipeline 6 and air supply duct with air
7 are merging into premixing duct 12 before gas mixing chamber 2, and premixing duct 12 deviates from flame water conservancy diversion with gas mixing chamber 2
The side of plate 4 is connected to；The premixing duct 12 is additionally provided with the unilateral gate 13 for preventing mixer reverse flow, which rises
To good protective action, combustion chamber is avoided to be tempered in pipeline, certain premixing duct 12 may also set up and 14 electricity of controller
The continuous monitoring of pressure can be achieved in the third pressure sensor of connection in this way.
Claims (9)
1. a kind of porous nozzles, it includes nozzles main body (1) and the gas mixing chamber (2) in nozzles main body, feature
It is, the nozzles main body (1) is equipped with porous burner structure (3), the fire of porous burner structure both sides along fuel gas flow direction
Flame deflector (4) is additionally provided in mouth main body (1).
2. porous nozzles as described in claim 1, which is characterized in that it further include be connected to nozzles main body (1) be used for point
Fire the ignition system (5) of gas mixing chamber (2) interior combustion gas.
3. porous nozzles as described in claim 1, which is characterized in that the porous burner structure (3) includes and fuel gas flow
The poroid combustion head (302) of the vertical panel in direction (301) and the matrix arrangement on panel (301).
4. porous nozzles as described in claim 1, which is characterized in that ignition system (5) includes extending into gas mixing chamber (2)
Interior and opposite with panel (301) igniting plate (501), matrix arrangement has fire rod on the igniting plate (501).
5. a kind of gas water jacket furnace low NO, which is characterized in that it includes more described in any one of claim 2-4
Hole nozzles, gas mixing chamber (2) the connection gas pipeline (6) and air supply duct (7), gas pipeline (6) of porous nozzles are equipped with
Solenoid valve (8) for controlling gas flow is equipped with wind turbine (9) on air supply duct (7).
6. gas water jacket furnace low NO as described in claim 1, which is characterized in that be also arranged with outside the porous nozzles
Protection cylinder (10) is also associated with the partition board for separating porous nozzles and wind turbine (9) and solenoid valve (8) in protection cylinder (10)
(11)。
7. gas water jacket furnace low NO as described in claim 1, which is characterized in that it further includes anti-backfire system, is prevented
Tempering Systems include pressure sensor for detecting stream pressure and the controller (14) being electrically connected with pressure sensor, should
Controller (14) is connected with wind turbine (9), solenoid valve (8) and ignition system (5) control；
The pressure sensor includes at least the first pressure sensing being located in gas mixing chamber (2) and air supply duct (7)
Device and second pressure sensor.
8. gas water jacket furnace low NO as described in claim 1, which is characterized in that gas pipeline (6) and air supply duct
(7) premixing duct (12) is being merged into before gas mixing chamber (2), premixing duct (12) is carried on the back with gas mixing chamber (2)
Side connection from flame deflector (4).
9. gas water jacket furnace low NO as described in claim 1, which is characterized in that the premixing duct (12) also sets
Having prevents the unilateral gate (13) of mixer reverse flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810487927.0A CN108488795A (en) | 2018-05-21 | 2018-05-21 | A kind of porous nozzles and gas water jacket furnace low NO |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810487927.0A CN108488795A (en) | 2018-05-21 | 2018-05-21 | A kind of porous nozzles and gas water jacket furnace low NO |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108488795A true CN108488795A (en) | 2018-09-04 |
Family
ID=63354547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810487927.0A Pending CN108488795A (en) | 2018-05-21 | 2018-05-21 | A kind of porous nozzles and gas water jacket furnace low NO |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108488795A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469902A (en) * | 2018-12-19 | 2019-03-15 | 陕西环通标准锅炉有限公司 | A kind of low full premixed device of nitrogen low consumption low noise |
| CN109612110A (en) * | 2018-11-12 | 2019-04-12 | 广东零壹电器科技有限公司 | Novel combustion system and gas water heater |
| CN110319441A (en) * | 2019-08-01 | 2019-10-11 | 南阳市中通防爆电机电器有限公司 | A kind of super low NO |
| CN113551225A (en) * | 2020-04-23 | 2021-10-26 | 中国石油天然气股份有限公司 | Multi-point injection energy-saving burner and water jacket furnace |
| CN113757667A (en) * | 2021-07-29 | 2021-12-07 | 北京联众华禹环保科技有限公司 | Special combustor for oil field |
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| CN208871625U (en) * | 2018-05-21 | 2019-05-17 | 北京联众华禹环保科技有限公司 | A kind of porous nozzles and gas water jacket furnace low NO |
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| JPH11223341A (en) * | 1998-02-09 | 1999-08-17 | Mitsubishi Heavy Ind Ltd | Combustor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109612110A (en) * | 2018-11-12 | 2019-04-12 | 广东零壹电器科技有限公司 | Novel combustion system and gas water heater |
| CN109469902A (en) * | 2018-12-19 | 2019-03-15 | 陕西环通标准锅炉有限公司 | A kind of low full premixed device of nitrogen low consumption low noise |
| CN110319441A (en) * | 2019-08-01 | 2019-10-11 | 南阳市中通防爆电机电器有限公司 | A kind of super low NO |
| CN113551225A (en) * | 2020-04-23 | 2021-10-26 | 中国石油天然气股份有限公司 | Multi-point injection energy-saving burner and water jacket furnace |
| CN113757667A (en) * | 2021-07-29 | 2021-12-07 | 北京联众华禹环保科技有限公司 | Special combustor for oil field |
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