CN200982664Y - Multi-stage atomized vortex micro-oil gun - Google Patents
Multi-stage atomized vortex micro-oil gun Download PDFInfo
- Publication number
- CN200982664Y CN200982664Y CNU200620158516XU CN200620158516U CN200982664Y CN 200982664 Y CN200982664 Y CN 200982664Y CN U200620158516X U CNU200620158516X U CN U200620158516XU CN 200620158516 U CN200620158516 U CN 200620158516U CN 200982664 Y CN200982664 Y CN 200982664Y
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- CN
- China
- Prior art keywords
- pedestal
- fuel
- gas
- compressed air
- cyclone
- 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.)
- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
The utility model discloses a multilevel pulverization rotary stream micro oil gun, which comprises a casing, a flame jet at the front end of the casing, a high-pressure blast port, a fuel port, a compressed air port, a high voltage ignition electrode connection access and a flame detection sensor connection access arranged at the close over at the rear end of the casing, a permanent seat disposed in the casing, a fuel jet fixed on the seat, a pair of high voltage ignition electrodes, a U-shaped fuel preheating pipe, a U-shaped compressed air preheating pipe and at least a flame detection sensor provided around the fuel jet, and a rotary gas apparatus surrounding the fuel jet in the casing. The utility model has the advantages that provided with the compressed air preheating pipe and the fuel preheating pipe, the pulverization effect of fuel is improved and fuel is mixed with air more evenly and sufficiently to meet the work requirement of traces of fuel, and the work environment of the sensor is improved by the flame detection sensor and the wind cooling jet to make the sensor run more reliably.
Description
Technical field
The utility model relates to a kind of boiler torch oil gun, especially a kind of multistage atomizing cyclone micro-oil rifle that is used for station boiler tiny-oil ignition system.
Background technology
Most of thermal power plants pulverized-coal fired boiler uses big oil gun fuel ignition and underload to throw the steady combustion of oil, the exerting oneself about 800kg/h-2500kg/h of every big oil gun.Ignition of the boiler and steady burnup oil are controlled within the specific limits, helped improving the economy of boiler and generating set operation, reduce cost of electricity-generating, energy savings.Adopt the tiny-oil ignition technology, substitute big oil gun work with little oil gun, exerting oneself about about 20kg/h of little oil gun can be saved great amount of fuel oil, and rate of economizing gasoline is realized replace oil with coal up to more than 95%.Existing similar torch oil gun exists functional defects such as igniting reliability, efficiency of combustion to some extent, exists because of problems such as structure is not good, safeguard procedures are not brought by force inconvenient maintenance, maintenance are big.
The utility model content
At the problem that prior art exists, the purpose of this utility model is to provide a kind of multistage atomizing cyclone micro-oil rifle that can realize generating plant pulverized coal boiler cold start and low-load combustion-stabilizing under the fuel ignition state that uses trace.
For achieving the above object, technical solution of the present utility model is:
A kind of multistage atomizing cyclone micro-oil rifle, comprise shell, the shell front end has flame jet, the rear end has capping, capping is provided with the high-pressure blast interface, the fuel oil interface, the compressed air interface, high-tension ignition electrode connection inlet and flame detection sensor wiring inlet, be provided with fixed pedestal in the shell, forward end one side is fixed with a fuel nozzle above the pedestal, be surrounded with a pair of high-tension ignition electrode on the pedestal of fuel nozzle periphery, the U type fuel preheating pipe that forward end is extended, the U type compressed air economizer bank that forward end is extended, with at least one flame detection sensor, described high-tension ignition electrode is connected with its binding post lead with described flame detection sensor, described U type fuel preheating pipe one end passes pedestal and links to each other with described fuel oil interface, its other end insert pedestal and with pedestal in the fuel delivery passage that links to each other with fuel nozzle that is provided with join, described U type compressed air economizer bank one end passes pedestal and links to each other with described compressed air interface, its other end insert pedestal and with pedestal in the compressed air delivery passage that links to each other with fuel nozzle that is provided with join, also be provided with a gas cyclone device around fuel nozzle in the shell, this gas cyclone device and pedestal together are separated into shell inner cavity back cavity and ante-chamber, wherein back cavity is connected with described high-pressure blast interface, before in the shell, back cavity joins by the gas cyclone passage on the gas cyclone device, and the front opening of ante-chamber constitutes described flame jet.
Further, also be provided with described flame detection sensor gas cooled nozzle on the described pedestal, this gas cooled nozzle directly joins by external pipe and described compressed air interface; Perhaps the gas cooled nozzle at first insert pedestal and with pedestal in the cooled gas path that is provided with join, and then described cooled gas path is joined by external pipe and described compressed air interface; Perhaps the gas cooled nozzle insert pedestal and with pedestal in the gas cooled passage that is provided with join, this gas cooled passage and described U type compressed air economizer bank cold leg join when passing pedestal.
Further, described pedestal is provided with two flame detection sensors, the described fuel nozzle of this two flame detection sensors symmetry apportion both sides.
Further, described shell is that reducing is cylindric, be spliced for three sections by body section, reducer and the flame jet section of arranging vertically, wherein flame jet section diameter links to each other by being conical reducer between body section and the flame jet section less than the body section diameter.
Further, described gas cyclone device is an annular, and between described pedestal and described outer casing inner wall, its upper edge circumferentially is evenly equipped with several helical blades, adjacently constitutes at interval the gas cyclone passage in twos between the blade.
Further, described pedestal fixes by described gas cyclone device and described outer casing inner wall.
Further, described fuel nozzle is positioned on the axis of described shell.
Further, described gas cyclone device and described pedestal are made into integration, and pedestal integral body is in the form of annular discs, and the some and helicla flute that its circumferential surface distributes constitutes described gas cyclone passage.
The utility model multistage atomizing cyclone micro-oil rifle has improved the atomizing effect of fuel oil by compressed air and fuel preheating pipe are set, and makes fuel oil and Air mixing more all even fully, thereby makes it satisfy the job requirement of using micro-fuel ignition.After flame detection sensor and gas cooled nozzle thereof are set, improved the working environment of sensor, make its work more reliable.
Description of drawings
Fig. 1 is a perspective view of the present utility model;
Fig. 2 is the perspective view of the utility model other direction;
Fig. 3 removes side view after the front shell for the utility model;
Fig. 4 is the A-A profile of Fig. 3;
Fig. 5 is the B-B profile of Fig. 3;
Fig. 6 is the C-C profile of Fig. 3;
Fig. 7 is the D-D profile of Fig. 3.
The specific embodiment:
As Fig. 1, shown in 2, a kind of multistage atomizing cyclone micro-oil of the utility model rifle, comprise shell 1, shell 1 is that reducing is cylindric, by body section 11 along shell 1 axially-aligned, reducer 12 and flame jet section are spliced for 13 3 sections, wherein the diameter of flame jet section 13 is less than the diameter of body section 11, link to each other by being conical reducer 12 between body section 11 and the flame jet section 13, the front end of flame jet section 13 forms flame jet 14, be provided with fixed pedestal 3 in the shell 1, forward end one side is fixed with a fuel nozzle 31 above the pedestal 3, this fuel nozzle 31 is positioned on the axis of described shell 1, be provided with a pair of high-tension ignition electrode 32 in fuel nozzle 31 peripheries around fuel nozzle 31 on the pedestal 3, the U type fuel preheating pipe 33 that forward end is extended, the U type compressed air economizer bank 34 that forward end is extended, with two flame detection sensors 35, these two flame detection sensors, 34 symmetrical apportion fuel nozzles, 31 both sides, also be provided with two gas cooled nozzles 36 that are respectively applied for cooling two flame detection sensors 35 on the pedestal 3, the rear end of shell 1 has capping 2, capping 2 is provided with high-pressure blast interface 21, fuel oil interface 331, compressed air interface 341, high-tension ignition electrode connection inlet 321 and flame detection sensor wiring inlet 351, this gas cooled nozzle 36 directly joins by external pipe and described compressed air interface 341; Shown in Fig. 3,4,5, high-tension ignition electrode 32 is connected with its binding post lead respectively with flame detection sensor 35, and U type fuel preheating pipe 33 1 ends pass pedestal 3 and link to each other with fuel oil interface 331, the other end insert pedestal 3 and with pedestal in the fuel delivery passage 332 that links to each other with fuel nozzle 31 that is provided with join, U type compressed air economizer bank 34 1 ends pass pedestal 3 and link to each other with compressed air interface 341, the other end inserts pedestal 3 and joins with the pedestal 3 interior compressed air delivery passages 342 that link to each other with fuel nozzle 31 that are provided with, shown in Fig. 6,7; Also be provided with a gas cyclone device 4 around fuel nozzle 31 in the shell 1, pedestal 3 integral body are cylindric, gas cyclone device 4 for be distributed in pedestal 3 circumferential surfaces and with pedestal 3 integrated some helical blades, pedestal 3 fixes by helical blade and shell 1, adjacent formation gas cyclone passage 41 between the blade in twos.This gas cyclone device 4 together is separated into back cavity 14 and ante-chamber 15 with the inner chamber of shell 1 with pedestal 3, wherein back cavity 14 is connected with described high-pressure blast interface 21, front/ back cavity 15,14 is connected by the gas cyclone passage 41 on the gas cyclone device in the shell, and the front opening of ante-chamber 15 promptly constitutes described flame jet 11.
In addition, gas cooled nozzle 35 also can at first insert pedestal and with pedestal in the cooled gas path that is provided with join, and then described cooled gas path is joined by external pipe and described compressed air interface;
Perhaps gas cooled nozzle 36 insert pedestals and with pedestal in the gas cooled passage that is provided with join, gas cooled passage and described U type compressed air economizer bank cold leg join when passing pedestal.
Claims (8)
1. multistage atomizing cyclone micro-oil rifle, it is characterized in that, comprise shell, the shell front end has flame jet, the rear end has capping, capping is provided with the high-pressure blast interface, the fuel oil interface, the compressed air interface, high-tension ignition electrode connection inlet and flame detection sensor wiring inlet, be provided with fixed pedestal in the shell, forward end one side is fixed with a fuel nozzle above the pedestal, be surrounded with a pair of high-tension ignition electrode on the pedestal of fuel nozzle periphery, the U type fuel preheating pipe that forward end is extended, the U type compressed air economizer bank that forward end is extended, with at least one flame detection sensor, described high-tension ignition electrode is connected with its binding post lead with described flame detection sensor, described U type fuel preheating pipe one end passes pedestal and links to each other with described fuel oil interface, its other end insert pedestal and with pedestal in the fuel delivery passage that links to each other with fuel nozzle that is provided with join, described U type compressed air economizer bank one end passes pedestal and links to each other with described compressed air interface, its other end insert pedestal and with pedestal in the compressed air delivery passage that links to each other with fuel nozzle that is provided with join, also be provided with a gas cyclone device around fuel nozzle in the shell, this gas cyclone device and pedestal together are separated into shell inner cavity back cavity and ante-chamber, wherein back cavity is connected with described high-pressure blast interface, before in the shell, back cavity joins by the gas cyclone passage on the gas cyclone device, and the front opening of ante-chamber constitutes described flame jet.
2. multistage atomizing cyclone micro-oil rifle according to claim 1 is characterized in that also be provided with described flame detection sensor gas cooled nozzle on the described pedestal, this gas cooled nozzle directly joins by external pipe and described compressed air interface; Perhaps the gas cooled nozzle at first insert pedestal and with pedestal in the cooled gas path that is provided with join, and then described cooled gas path is joined by external pipe and described compressed air interface; Perhaps the gas cooled nozzle insert pedestal and with pedestal in the gas cooled passage that is provided with join, this gas cooled passage and described U type compressed air economizer bank cold leg join when passing pedestal.
3. as multistage atomizing cyclone micro-oil rifle as described in the claim 2, it is characterized in that described pedestal is provided with two flame detection sensors, the described fuel nozzle of this two sensors symmetry apportion both sides.
4. as multistage atomizing cyclone micro-oil rifle as described in the claim 3, it is characterized in that, described shell is that reducing is cylindric, be spliced for three sections by body section, reducer and the flame jet section of arranging vertically, wherein flame jet section diameter links to each other by being conical reducer between body section and the flame jet section less than the body section diameter.
5. as multistage atomizing cyclone micro-oil rifle as described in the claim 4, it is characterized in that described gas cyclone device is an annular, between described pedestal and described outer casing inner wall, its upper edge circumferentially is evenly equipped with several helical blades, adjacently constitutes at interval the gas cyclone passage in twos between the blade.
6. as multistage atomizing cyclone micro-oil rifle as described in the claim 5, it is characterized in that described pedestal fixes by described gas cyclone device and described outer casing inner wall.
7. as multistage atomizing cyclone micro-oil rifle as described in the claim 6, it is characterized in that described fuel nozzle is positioned on the axis of described shell.
8. as multistage atomizing cyclone micro-oil rifle as described in the claim 4, it is characterized in that described gas cyclone device and described pedestal are made into integration, pedestal integral body is in the form of annular discs, and the some and helicla flute that its circumferential surface distributes constitutes described gas cyclone passage.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNU200620158516XU CN200982664Y (en) | 2006-11-20 | 2006-11-20 | Multi-stage atomized vortex micro-oil gun |
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CNU200620158516XU CN200982664Y (en) | 2006-11-20 | 2006-11-20 | Multi-stage atomized vortex micro-oil gun |
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CN200982664Y true CN200982664Y (en) | 2007-11-28 |
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CNU200620158516XU Expired - Fee Related CN200982664Y (en) | 2006-11-20 | 2006-11-20 | Multi-stage atomized vortex micro-oil gun |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101220962B (en) * | 2008-01-28 | 2010-06-16 | 烟台海融电力技术有限公司 | Novel flame generating means |
CN102486309A (en) * | 2010-12-02 | 2012-06-06 | 烟台龙源电力技术股份有限公司 | Gasification oil burner |
CN102788350A (en) * | 2011-05-18 | 2012-11-21 | 烟台龙源电力技术股份有限公司 | Oil gasifier and oil burner |
WO2012174925A1 (en) * | 2011-06-22 | 2012-12-27 | 湖南三一智能控制设备有限公司 | Burner |
CN104296134A (en) * | 2014-09-28 | 2015-01-21 | 力聚热力设备科技有限公司 | Short-flame and large-diameter diesel burner |
CN108253456A (en) * | 2017-12-29 | 2018-07-06 | 南京航空航天大学 | A kind of swirl afterburner based on outer cavity |
-
2006
- 2006-11-20 CN CNU200620158516XU patent/CN200982664Y/en not_active Expired - Fee Related
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101220962B (en) * | 2008-01-28 | 2010-06-16 | 烟台海融电力技术有限公司 | Novel flame generating means |
CN102486309A (en) * | 2010-12-02 | 2012-06-06 | 烟台龙源电力技术股份有限公司 | Gasification oil burner |
WO2012072003A1 (en) * | 2010-12-02 | 2012-06-07 | 烟台龙源电力技术股份有限公司 | Oil gasification burner and internal combustion burner comprising oil gasification burner |
CN102486309B (en) * | 2010-12-02 | 2014-08-20 | 烟台龙源电力技术股份有限公司 | Gasification oil burner |
CN102788350A (en) * | 2011-05-18 | 2012-11-21 | 烟台龙源电力技术股份有限公司 | Oil gasifier and oil burner |
WO2012174925A1 (en) * | 2011-06-22 | 2012-12-27 | 湖南三一智能控制设备有限公司 | Burner |
CN104296134A (en) * | 2014-09-28 | 2015-01-21 | 力聚热力设备科技有限公司 | Short-flame and large-diameter diesel burner |
CN108253456A (en) * | 2017-12-29 | 2018-07-06 | 南京航空航天大学 | A kind of swirl afterburner based on outer cavity |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |