CN203656918U - Rotary cup burner for heavy oil - Google Patents
Rotary cup burner for heavy oil Download PDFInfo
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- CN203656918U CN203656918U CN201320882624.1U CN201320882624U CN203656918U CN 203656918 U CN203656918 U CN 203656918U CN 201320882624 U CN201320882624 U CN 201320882624U CN 203656918 U CN203656918 U CN 203656918U
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- oil
- cup
- revolving
- heavy oil
- pipe
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Abstract
The utility model discloses a rotary cup burner for heavy oil, which is easy in ignition and stable in combustion. The rotary cup burner comprises a mounting barrel, a bellows mechanism and a rotary cup mechanism. The mounting barrel is provided with a burning torch. The rotary cup mechanism is composed of a rotary cup shell communicated with a primary bellows. A rotary cup, an inner shell and a heavy oil inlet pipe are arranged in the inner cavity of the rotary cup shell. The cup mouth of the rotary cup is arranged at the mouth part of the rotary cup shell. An air outlet gap is reserved between the outer wall of the cup mouth of the rotary cup and the mouth part of the rotary cup shell. One end of the heavy oil inlet pipe extends to be connected with the inner wall of the rotary cup, and the other end of the heavy oil inlet pipe is communicated with a heavy oil delivery pipe. The inner shell is in sealed communication with the bottom end of the rotary cup and is also communicated with the primary bellows. A rotary cup rotation drive device in the inner shell comprises a central shaft. The front end of the central shaft is fixedly connected with the bottom of the rotary cup, and the rear end of the central shaft is fixedly connected with a motor output shaft. A light oil inlet pipe outside a light oil control valve is provided with a light oil by-pass pipe. The light oil by-pass pipe is communicated with the heavy oil delivery pipe and is provided with a light oil electromagnetic valve.
Description
Technical field
The utility model relates to marine boiler field, is specifically related to the heavy oil burner on marine boiler.
Background technology
Current domestic shipping market is depressed, and finished product light diesel price rises steadily, and for reducing shipping cost, all adopts the reduced fuel oil of heavy oil revolving-cup combustor burning viscosity more than 180CST on most of boats and ships of shipping company.Heavy oil revolving-cup combustor used at present, comprise: mounting cylinder, bellows mechanism and cup revolving mechanism, wherein bellows mechanism comprises: bellows and secondary air box, No. one time bellows are connected with blower fan with secondary air duct by an air channel respectively with secondary air box, the air of described bellows is for heavy oil atomizing, and the air in secondary air box is for heavy oil combustion; In mounting cylinder, be provided with burner inner liner, the middle part of mounting cylinder is provided with air inlet, and air inlet is connected with secondary air box, is also provided with the burning torch for lighting a fire on mounting cylinder, and burning torch is connected with the light oil oil inlet pipe with light oil control valve; Described cup revolving mechanism is arranged in the air inlet of mounting cylinder, its structure comprises: revolving cup housing, the oral area of revolving cup housing stretches in the burner inner liner in mounting cylinder, in revolving cup housing, be provided with revolving cup, inner casing and heavy oil oil inlet pipe, the rim of a cup of revolving cup is positioned at the oral area of revolving cup housing, between the rim of a cup outer wall of revolving cup and the oral area of revolving cup housing, leave air-out gap, revolving cup housing is connected with bellows; The port of export extension of heavy oil oil inlet pipe is communicated to revolving cup inwall, thereby makes heavy oil can paste revolving cup inwall, also can thrown away by revolving cup High Rotation Speed, and the other end of heavy oil oil inlet pipe is connected with the oil transfer pipe with heavy oil control valve outside revolving cup housing; Described inner casing is communicated with revolving cup bottom end seal, and inner casing is connected with bellows, in inner casing, be provided with revolving cup rotating driving device, the structure of revolving cup rotating driving device comprises: central shaft, in the bearing block of central shaft expansion bearing in inner casing, the front end of central shaft is fixedly connected with revolving cup bottom, and the rear end of central shaft is provided with belt wheel, on belt wheel, be provided with driving-belt, described driving-belt is driven by the driving pulley on the drive motors output shaft outside inner casing.
The operation principle of above-mentioned heavy oil revolving-cup combustor is as follows: when burning work, first open light oil control valve, make light oil by lighting a fire in light oil oil inlet pipe inlet point firelock, then open heavy oil control valve, heavy oil is entered in the heavy oil oil inlet pipe in revolving cup housing from oil transfer pipe, heavy oil oil inlet pipe by oil transfer to the wall of cup of revolving cup, revolving cup is high-speed rotation under the driving of drive motors, air in bellows is successively by the inner chamber of revolving cup housing, the backward outer ejection in air-out gap between revolving cup housing and revolving cup rim of a cup forms the exterior atomization air-flow that makes heavy oil atomizing, air in bellows is the inside atomization air flow of heavy oil atomizing by the inner chamber of inner casing from the inside cavity ejection formation of revolving cup simultaneously, heavy oil is at centrifugal force, under the acting in conjunction of exterior atomization air-flow and inner atomization air flow, be atomized into tiny vaporific particle, and injected enter burner inner liner, the tiny vaporific particle of heavy oil is closed light oil control valve after by light oil flame ignition, heavy oil is constantly atomized into tiny vaporific particle, and constantly injected enter in burner inner liner, thereby constantly burning.Air constantly blasts from secondary air box in burner inner liner, for heavy oil combustion provides sufficient oxygen.
But there is following defect in above-mentioned heavy oil revolving-cup combustor: one, finish in rear oil transfer pipe, heavy oil oil inlet pipe will certainly residual heavy oil in each burning, because the furol viscosity after temperature reduction is high, it is poor to flow, therefore, after heavy oil runs up to a certain degree in oil transfer pipe and heavy oil oil inlet pipe, can cause the ignition difficulties of heavy oil when burn next time; Two, central shaft is driven by belt wheel and driving-belt by drive motors, and between the driving mechanism being made up of conveyer belt and belt wheel and central shaft, easily produces bias, thereby easily causes cup revolving mechanism Frequent Troubles, and this driving mechanism is dismantled, maintenance is all inconvenient.
Utility model content
The problem that the utility model need to solve is to provide one can make the igniting of heavy oil revolving-cup combustor easily, flameholding, and can greatly reduce the heavy oil revolving-cup combustor that cup revolving mechanism operation troubles occurs.
For addressing the above problem, the technical solution adopted in the utility model is: heavy oil revolving-cup combustor, comprising: mounting cylinder, bellows mechanism and cup revolving mechanism, and wherein bellows mechanism comprises: bellows and secondary air box; In mounting cylinder, be provided with burner inner liner, the middle part of mounting cylinder is provided with air inlet, and air inlet is connected with secondary air box, is also provided with the burning torch for lighting a fire on mounting cylinder, and burning torch is connected with the light oil oil inlet pipe with light oil control valve; Described cup revolving mechanism is arranged in the air inlet of mounting cylinder, cup revolving mechanism comprises: revolving cup housing, the oral area of revolving cup housing stretches in the burner inner liner in mounting cylinder, in the inner chamber of revolving cup housing, be provided with revolving cup, inner casing and heavy oil oil inlet pipe, the rim of a cup of revolving cup is positioned at the oral area of revolving cup housing, between the rim of a cup outer wall of revolving cup and the oral area of revolving cup housing, leave air-out gap, revolving cup housing is connected with bellows; The port of export of heavy oil oil inlet pipe extends the inwall that is communicated to revolving cup, and the other end of heavy oil oil inlet pipe is connected with the oil transfer pipe with heavy oil control valve outside revolving cup housing; Described inner casing is communicated with revolving cup bottom end seal, and inner casing is connected with bellows, in inner casing, be provided with revolving cup rotating driving device, the structure of revolving cup rotating driving device comprises: central shaft, in the bearing block of central shaft expansion bearing in inner casing, the front end of central shaft is fixedly connected with revolving cup bottom, it is characterized in that: the rear end of central shaft is directly fixedly connected with motor output shaft, and described motor is fixedly mounted in the installing rack on revolving cup housing; On light oil oil inlet pipe outside described light oil control valve, be provided with the light oil bypass pipe being connected with oil transfer pipe, on described light oil bypass pipe, be provided with light oil magnetic valve.
Further, aforesaid heavy oil revolving-cup combustor, wherein, the structure of burning torch comprises: air bell, on the cover wall at the ignition location place of air bell, be provided with exhaust vent, on the cover wall at the tail position place of air bell, be provided with fresh air inlet, in air bell, be provided with igniting oil pipe and ignitor, ignitor is arranged in insulation tube and with ignition transformer and is electrically connected, igniting oil pipe and insulation tube are all arranged in the burning torch installing rack of air bell tail end, the firing tip of ignitor is positioned at the oil-out place of igniting oil pipe, the oil-out of described igniting oil pipe is positioned at the ignition location place of air bell, the oil-in of igniting oil pipe is connected with light oil oil inlet pipe.
Further, aforesaid heavy oil revolving-cup combustor, wherein, is provided with the nozzle spraying to burner inner liner direction on the oil-out of igniting oil pipe.
Further, aforesaid heavy oil revolving-cup combustor, wherein, is provided with the wind blade in air guide burner inner liner in the air inlet of the mounting cylinder in cup revolving mechanism outside.
The utility model has the advantages that: the igniting of heavy oil revolving-cup combustor is easy, flameholding, and can greatly reduce the generation of cup revolving mechanism operation troubles.
Accompanying drawing explanation
Fig. 1 is the operation principle schematic diagram of heavy oil revolving-cup combustor described in the utility model.
Fig. 2 is the internal structure schematic diagram of heavy oil revolving-cup combustor described in the utility model.
Fig. 3 is the structural representation of burning torch in Fig. 1.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, Figure 2, Figure 3 shows, heavy oil revolving-cup combustor, comprise: mounting cylinder 1, bellows mechanism and cup revolving mechanism 12, wherein bellows mechanism comprises: bellows 2 and 3, bellows 2 of secondary air box are connected with blower fan with secondary air duct by an air channel respectively with secondary air box 3, in mounting cylinder 1, be provided with burner inner liner 4, the middle part of mounting cylinder 1 is provided with air inlet 5, air inlet 5 is connected with secondary air box 3, on mounting cylinder 1, be also provided with the burning torch 6 for lighting a fire, the structure of the burning torch in the present embodiment comprises: air bell 18, on the cover wall of air bell 18 lighting-up tuyere positions, be provided with four exhaust vents 181, four exhaust vents 181 are arranged at the even circumferential of air bell 18, on the cover wall at the tail position place of air bell 18, be provided with four fresh air inlets 182, four fresh air inlets 182 are arranged along the even circumferential of air bell 18, in air bell 18, be provided with igniting oil pipe 19 and ignitor 20, ignitor 20 is arranged in insulation tube 21, described ignitor 20 is electrically connected with ignition transformer, igniting oil pipe 19 and insulation tube 21 are all arranged in the burning torch installing rack 183 of air bell 18 tail ends, the firing tip of ignitor 20 is positioned at the oil-out position of igniting oil pipe 19, the oil-out of described igniting oil pipe 19 is positioned at the lighting-up tuyere position of air bell 18, on the oil-out of igniting oil pipe 19, be provided with the nozzle 191 spraying to burner inner liner 4 directions.The oil-in of igniting oil pipe 19 is connected with the light oil oil inlet pipe 7 with light oil control valve 71; Cup revolving mechanism 12 is arranged in the air inlet 5 of mounting cylinder 1, its structure comprises: revolving cup housing 8, the oral area of revolving cup housing 8 stretches in the burner inner liner 4 in mounting cylinder 1, in the inner chamber of revolving cup housing 8, be provided with revolving cup 9, inner casing 10 and heavy oil oil inlet pipe 11, the rim of a cup of revolving cup 9 is positioned at the oral area of revolving cup housing 8, between the rim of a cup outer wall of revolving cup 9 and the oral area of revolving cup housing 8, leave air-out gap, the inner chamber of revolving cup housing 8 is connected with bellows 2; In order well air to be blasted in burner inner liner 4, in the air inlet 5 of the mounting cylinder 1 in cup revolving mechanism outside, be provided with the wind blade in air guide burner inner liner 4 51.The port of export extension of heavy oil oil inlet pipe 11 is communicated to the inwall of revolving cup 9, thereby heavy oil can be sprayed along the inwall of revolving cup 9, and the other end of heavy oil oil inlet pipe 11 is connected with the oil transfer pipe 13 with heavy oil control valve 131 outside revolving cup housing 8; Inner casing 10 is communicated with the bottom end seal of revolving cup 9, and the inner chamber of inner casing 10 is connected with bellows 2, in inner casing 10, be provided with revolving cup rotating driving device, the structure of revolving cup rotating driving device comprises: central shaft 14, in the pair of bearing 15 of central shaft 14 expansion bearings in inner casing 10, the front end of central shaft 14 is fixedly connected with the bottom of revolving cup 9, and the rear end of central shaft 14 is directly fixedly connected with the output shaft of motor 16, and motor 16 is fixedly mounted in the installing rack 81 on revolving cup housing 8; Motor 16 can be selected direct insertion variable-frequency motor, thus under the driving of motor 16 central shaft 14 in bearing block 15, rotate drive revolving cup 9 rotate.On light oil oil inlet pipe 7 outside described light oil control valve 71, be provided with the light oil bypass pipe 17 being connected with oil transfer pipe 13, on described light oil bypass pipe 17, be provided with light oil magnetic valve 171.
Operation principle of the present utility model: when burning work, first open light oil control valve 71, light oil is passed through in the igniting oil pipe 19 in light oil oil inlet pipe 7 inlet point firelocks, when the nozzle 191 of igniting oil pipe 19 sprays moment of light oil, ignitor 20 is lighted light oil, due to igniting oil pipe 19 and the outer air bell 18 that is provided with of ignitor 20, in fresh air inlet 182 for the air burning from air bell 18, enter in air bell 18, for light oil ignition, in the exhaust vent 181 of air after burning from air bell 18, discharge, make like this light oil burned flame be the circle of not disperseing, thereby make light oil igniting reliable and stable.After light oil burning, open heavy oil control valve 131, heavy oil is entered in the heavy oil oil inlet pipe 11 in revolving cup housing 8 from oil transfer pipe 13, heavy oil oil inlet pipe 11 by oil transfer to the inwall of revolving cup 9, revolving cup 9 is high-speed rotation under the driving of motor 16, air in bellows 2 is successively by the inner chamber of revolving cup housing 8, it is the exterior atomization air-flow of heavy oil atomizing that air-out gap between revolving cup housing 8 and revolving cup 9 rims of a cup outwards sprays formation, air in bellows 2 forms from the inside cavity ejection of revolving cup 9 the inside atomization air flow that makes heavy oil atomizing by the inner chamber of inner casing 10 simultaneously, heavy oil is at centrifugal force, under the effect of exterior atomization air-flow and inner atomization air flow, be atomized into tiny vaporific particle, and injected enter in burner inner liner, and by light oil flame ignition, the tiny vaporific particle of heavy oil is closed light oil control valve 71 after being lighted, heavy oil is constantly transported on the inwall of revolving cup 9 after oil transfer pipe 13 is delivered to heavy oil oil inlet pipe 11, then be constantly atomized into tiny vaporific particle, and constantly injected enter in burner inner liner 4, thereby constantly burning.Air constantly blasts from secondary air box 3 in burner inner liner 4, for heavy oil combustion provides sufficient oxygen.Because revolving cup 9 is directly driven by the output shaft of motor 16 by jackshaft 14, this driving mechanism simple in structure, dismounting and maintenance are all very convenient, this drives structure can reduce, between the output shaft of motor 16 and jackshaft 14 and revolving cup 9 axle center, eccentric probability occurs greatly, thereby greatly reduces the probability that the fault of cup revolving mechanism occurs.In the time that heavy oil burner is about to quit work, little fire operation, time-delay closing heavy oil control valve 131, open light oil magnetic valve 171, light oil enters heavy oil oil inlet pipe 11 from oil transfer pipe 13, thereby the heavy oil in this section of oil transfer pipe 13 and heavy oil oil inlet pipe 11 is rinsed, and the miscella that is mixed with heavy oil and light oil is transported on the inwall of transporting to revolving cup 9, burn until heavy oil burner quits work after being atomized into vaporific fine particle.Heavy oil control valve 131 is just clean by cleaning after light oil dilution to the heavy oil in oil transfer pipe 13 and heavy oil oil inlet pipe 11 between cup revolving mechanism like this, effectively avoid heavy oil to the oil transfer pipe 13 between cup revolving mechanism and heavy oil oil inlet pipe 11, to form precipitation and accumulation at heavy oil control valve 131, thus the igniting while greatly facilitating burning next time of heavy oil revolving-cup combustor.
Claims (4)
1. heavy oil revolving-cup combustor, comprising: mounting cylinder, bellows mechanism and cup revolving mechanism, and wherein bellows mechanism comprises: bellows and secondary air box; In mounting cylinder, be provided with burner inner liner, the middle part of mounting cylinder is provided with air inlet, and air inlet is connected with secondary air box, is also provided with the burning torch for lighting a fire on mounting cylinder, and burning torch is connected with the light oil oil inlet pipe with light oil control valve; Described cup revolving mechanism is arranged in the air inlet of mounting cylinder, cup revolving mechanism comprises: revolving cup housing, the oral area of revolving cup housing stretches in the burner inner liner in mounting cylinder, in the inner chamber of revolving cup housing, be provided with revolving cup, inner casing and heavy oil oil inlet pipe, the rim of a cup of revolving cup is positioned at the oral area of revolving cup housing, between the rim of a cup outer wall of revolving cup and the oral area of revolving cup housing, leave air-out gap, revolving cup housing is connected with bellows; The port of export of heavy oil oil inlet pipe extends the inwall that is communicated to revolving cup, and the other end of heavy oil oil inlet pipe is connected with the oil transfer pipe with heavy oil control valve outside revolving cup housing; Described inner casing is communicated with revolving cup bottom end seal, and inner casing is connected with bellows, in inner casing, be provided with revolving cup rotating driving device, the structure of revolving cup rotating driving device comprises: central shaft, in the bearing block of central shaft expansion bearing in inner casing, the front end of central shaft is fixedly connected with revolving cup bottom, it is characterized in that: the rear end of central shaft is directly fixedly connected with motor output shaft, and described motor is fixedly mounted in the installing rack on revolving cup housing; On light oil oil inlet pipe outside described light oil control valve, be provided with the light oil bypass pipe being connected with oil transfer pipe, on described light oil bypass pipe, be provided with light oil magnetic valve.
2. heavy oil revolving-cup combustor according to claim 1, it is characterized in that: the structure of burning torch comprises: air bell, on the cover wall at the ignition location place of air bell, be provided with exhaust vent, on the cover wall at the tail position place of air bell, be provided with fresh air inlet, in air bell, be provided with igniting oil pipe and ignitor, ignitor is arranged in insulation tube and with ignition transformer and is electrically connected, igniting oil pipe and insulation tube are all arranged in the burning torch installing rack of air bell tail end, the firing tip of ignitor is positioned at the oil-out place of igniting oil pipe, the oil-out of described igniting oil pipe is positioned at the ignition location place of air bell, the oil-in of igniting oil pipe is connected with light oil oil inlet pipe.
3. heavy oil revolving-cup combustor according to claim 2, is characterized in that: on the oil-out of igniting oil pipe, be provided with the nozzle spraying to burner inner liner direction.
4. according to the heavy oil revolving-cup combustor described in claim 1 or 2 or 3, it is characterized in that: in the air inlet of the mounting cylinder in cup revolving mechanism outside, be provided with the wind blade in air guide burner inner liner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320882624.1U CN203656918U (en) | 2013-12-31 | 2013-12-31 | Rotary cup burner for heavy oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320882624.1U CN203656918U (en) | 2013-12-31 | 2013-12-31 | Rotary cup burner for heavy oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203656918U true CN203656918U (en) | 2014-06-18 |
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ID=50923299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320882624.1U Withdrawn - After Issue CN203656918U (en) | 2013-12-31 | 2013-12-31 | Rotary cup burner for heavy oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203656918U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103697472A (en) * | 2013-12-31 | 2014-04-02 | 张家港格林沙洲锅炉有限公司 | Heavy oil rotary-cup burner |
-
2013
- 2013-12-31 CN CN201320882624.1U patent/CN203656918U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103697472A (en) * | 2013-12-31 | 2014-04-02 | 张家港格林沙洲锅炉有限公司 | Heavy oil rotary-cup burner |
| CN103697472B (en) * | 2013-12-31 | 2015-12-09 | 张家港格林沙洲锅炉有限公司 | Heavy oil rotary-cup burner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140618 Effective date of abandoning: 20151209 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |