CN103115354A - Combined cyclone combustion chamber - Google Patents
Combined cyclone combustion chamber Download PDFInfo
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- CN103115354A CN103115354A CN2013100554402A CN201310055440A CN103115354A CN 103115354 A CN103115354 A CN 103115354A CN 2013100554402 A CN2013100554402 A CN 2013100554402A CN 201310055440 A CN201310055440 A CN 201310055440A CN 103115354 A CN103115354 A CN 103115354A
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Abstract
The invention provides a combined cyclone combustion chamber which is applied to a heater product. The combined cyclone combustion chamber comprises an outer shell and an inner shell of a combustion chamber main body, a main cyclone piece, a small cyclone piece and a cyclone piece connecting cylinder, wherein the outer shell is coaxially sleeved outside the inner shell; a cold air channel is formed between the inner shell and the outer shell of the combustion chamber main body; the main cyclone piece is arranged at the front of an inner cavity of the outer shell of the combustion chamber main body; the periphery of the main cyclone piece is fixed on the inner wall of the outer shell of the combustion chamber main body; the front end of the inner shell of the combustion chamber main body props against the rear side of the main cyclone piece; the cyclone piece connecting cylinder is fixed in a center hole of the main cyclone piece; the small cyclone piece is fixed in the cyclone piece connecting cylinder; and a center hole of the small cyclone piece is communicated with a fuel oil atomization nozzle. The combined cyclone combustion chamber is compact in structure and can improve the utilization rate of fuel and reduce fuel consumption, so that the fuel can be most fully burnt within a limited region.
Description
Technical field
The invention belongs to the combustion heat-exchange technical field, relate to particularly a kind of combined type whirlwind combustion chamber.
Background technology
Combined type whirlwind of the present invention combustion chamber is mainly used in the warmer product, be used for assisting vehicle and carry out cold-starting, warmer passes to cooling fluid, air with its heat that sends, then comes heated engine body and gearbox etc. by heated cooling fluid, air.The combustion chamber that warmer adopts mainly contains evaporation-combustion chamber, disc formula combustion chamber and atomizer formula combustion chamber, wherein the invention belongs to atomizer formula combustion chamber.The combustion chamber is the core component of warmer, and efficiency of combustion and combustion intensity all can affect heating effect, and how the combustion chamber that a kind of fuel utilization ratio is high, efficiency of combustion is high is provided is the technical problem that those skilled in the art need to be resolved hurrily.
Summary of the invention
The invention provides a kind of combined type whirlwind combustion chamber, be applied in the warmer product, this combined type whirlwind chamber structure is compact, can improve fuel utilization ratio, reduce oil consumption, makes fuel oil reach burning the most fully in the zone that limits.
Technical scheme:
a kind of combined type whirlwind combustion chamber, it is characterized in that, described combined type whirlwind combustion chamber comprises the combustion chamber main body cover, combustion chamber main body inner casing, main whirlwind sheet, whirly sheet and whirlwind sheet connecting cylinder, wherein said combustion chamber main body cover coaxial sleeve is outside the main body inner casing of described combustion chamber, be provided with the plate that is tightly connected between the rear end of the rear end of described combustion chamber main body cover and described combustion chamber main body inner casing, form cold air channel between described combustion chamber main body inner casing and combustion chamber main body cover, described main whirlwind sheet is arranged on the front portion of the inner chamber of described combustion chamber main body cover, the periphery of described main whirlwind sheet is fixed on the inwall of described combustion chamber main body cover, the periphery of described main whirlwind sheet is provided with some breach, the inwall of described breach and described combustion chamber main body cover is formed for the cold air opening that air enters described cold air channel, described combustion chamber main body inner casing front end withstands on the rear side of described main whirlwind sheet, fixing described whirlwind sheet connecting cylinder in the centre bore of described main whirlwind sheet, described whirlwind sheet connecting cylinder is hollow cylindrical, be fixed with described whirly sheet in described whirlwind sheet connecting cylinder, the centre bore of described whirly sheet is used for being connected with fuel atomizer, the front end of described combustion chamber main body cover is used for being connected with air inlet pipeline.
The outlet blade angle of described main whirlwind sheet is 15 °-45 °, and the outlet blade angle of described whirly sheet is 5 °-15 °.
The outlet blade angle of described main whirlwind sheet is 30 °, and the outlet blade angle of described whirly sheet is 8 °.
The edge circumferentially offers some openings, i.e. jet orifice near 2/3rds positions of described combustion chamber main body inner casing.
The rear portion of described combustion chamber main body inner casing is a reducing section, and the tapering of described reducing section is 30 °, and described reducing section is oblate structure of hollow, along circumferential some openings, i.e. the blending pore of offering on the side of oblate structure of hollow of reducing section.
Described combustion chamber main body inner casing also comprises cooling section, described cooling section is connected with described reducing section and is positioned at the rear side of described reducing section, described cooling section is the oblate column construction of hollow, along circumferential some openings, i.e. the wind order of offering on the side of the oblate column construction of hollow of described cooling section.
The ratio of tolerance and the tolerance of the air that enters described cold air channel from described cold air opening that directly enters the air of combustion chamber main body inner casing from the blade exit of described main whirlwind sheet and whirly sheet is 1:3; Described jet orifice, blending pore and wind purpose stomatal size are than being 38.4:25:4.5.
Described jet orifice is comprised of the hole of 12 φ 8, and described blending pore is comprised of the hole of 20 φ 5, and described wind order is comprised of the hole of 10 φ 3.
Also comprise pressure conversion device, described pressure conversion device is the frustum cone structure of a hollow, the large port of described frustum cone structure is used for being connected with described air inlet pipeline, the portlet of described frustum cone structure is connected with the front port of combustion chamber main body cover, and the tapering of the frustum cone structure of described pressure conversion device is 30 °.
Also comprise after-burner, described after-burner is hollow tube-shape, and its front port is connected with the rear port of described combustion chamber main body cover.
The front portion of the hollow tube-shape of described after-burner is the first throat structure, the rear portion of the hollow tube-shape of described after-burner is the second throat structure, the main body that is positioned at the middle after-burner of described the first throat structure and the second throat structure is hollow cylindrical structure, and the portlet diameter of the second throat structure wherein equals described cooling section rear port diameter.
Than entering the indoor described fuel oil of described combined type burning, the excess coefficient that enters the indoor air of described combined type burning is 10-20%.
Technique effect:
The invention provides a kind of combined type whirlwind combustion chamber, comprise combustion chamber main body cover, combustion chamber main body inner casing, main whirlwind sheet, whirly sheet and whirlwind sheet connecting cylinder, the centre bore of whirly sheet is used for being connected with fuel atomizer, not destroy the fuel oil of atomizer ejection, fuel oil can be entered in the main body inner casing of combustion chamber smoothly.The front end of combustion chamber main body cover is used for being connected with air inlet pipeline, the gas that enters combined type whirlwind combustion chamber is divided into three parts, a part enters in cold air channel between combustion chamber main body inner casing and combustion chamber main body cover by the cold air opening, second portion enters in the inner chamber of combustion chamber main body inner casing by the blade exit of main whirlwind sheet, and third part enters in the inner chamber of combustion chamber main body inner casing by the blade exit of whirly sheet.Main whirlwind sheet carries out eddy flow with the second portion air, improves peripheral speed, reduces axial velocity, forms eddy current, to extend the time of staying of air (being mainly oxygen) in the main body inner casing inner chamber of combustion chamber; The atomized fuel that the whirly sheet will spray into from the centre bore of whirly sheet mixes mutually with the third part air that the blade exit from the whirly sheet enters combustion chamber main body inner casing inner chamber, improves peripheral speed, the reduction axial velocity of atomized fuel.Being used in combination of main whirlwind sheet and whirly sheet can make atomized fuel obtain mixing the most fully with air (being mainly airborne oxygen), and cause negative pressure in the axial centre of combustion chamber main body inner casing inner chamber, form the backflow of " atomizing combustion gas ", play the effect of the retention flame in combustion process.
15 °-45 ° of the outlet blade angles of main whirlwind sheet preferably, are 30 °; 5 °-15 ° of the outlet blade angles of whirly sheet, preferably, it is 8 °, as seen, the outlet blade angle of whirly sheet is less than the outlet blade angle of main whirlwind sheet, can improve the space availability ratio in the main body inner casing of combustion chamber, make the blending space of fuel oil in the main body inner casing of combustion chamber as far as possible large, be conducive to shorten the length of combustion chamber main body inner casing and combustion chamber main body cover.
Further, rear section at combustion chamber main body inner casing is provided with jet orifice, preferably, hole by 12 φ 8 forms, a certain proportion of air (being mainly oxygen) in cold air channel is in the inner chamber of jet orifice flowing in combustion chamber main body inner casing, form the primary zone between the rear side of the whirly sheet of combustion chamber main body inner casing inner chamber and jet orifice front side, most of fuel oil burns, jet orifice can effectively reduce main whirlwind sheet and the whirly sheet coordinates the recirculating zone that forms, improve the combustion space utilization rate in primary zone, enhanced burning intensity, and can improve the stability of burning.The rear portion of combustion chamber main body inner casing is a reducing section, the effect of supercharging is played in reducing, be provided with the blending pore on the reducing section, preferably, hole by 20 φ 5 forms, the fuel oil that the primary zone is imperfect combustion mixes with air (being mainly oxygen) according to a certain percentage again, so that the structure of rear side (after-burner) can be carried out second-time burning to it.The rear side of reducing section is connected with cooling section, is provided with the wind order on cooling section, preferably, is comprised of the hole of 10 φ 3, and Main Function is the structure temperature in cooling flame exit, prevents the overheated generation distortion of structure.
The present invention also comprises pressure conversion device, and it is a hollow round table structure, is used for the air that air inlet pipeline is sent into is carried out the pressure conversion, makes a certain proportion of static pressure become dynamic pressure, reaches the effect that improves air velocity.
Further, also comprise after-burner, air in cold air channel enters in the main body inner casing inner chamber of combustion chamber by the blending pore, mix with the not clean-burning fuel oil secondary in primary zone, the place forms stable pressure at after-burner, Fuel Remained is carried out second-time burning, improve the temperature of flame export in the time of with the raising fuel utilization ratio, the heat exchanger that more is conducive to warmer carries out heat exchange to it.Preferably, the front portion of after-burner is the first throat structure, and the rear portion is provided with the second throat structure, the purpose of the first throat structure and the second throat structure be do not change hot-fluid to prerequisite under, reduce the diffusion space of Fuel Remained, improve the space density of atomized fuel, be more conducive to burning.The diameter of the portlet of the second throat structure wherein equals the diameter of the rear port of cooling section, and purpose is not destroy the heat flow direction that main chamber produces.
The present invention is in the process of air distribution, improve the excess coefficient of air, excessive air directly enters combustion chamber main body inner casing inner chamber, enters cold air channel from the cold air opening and enter combustion chamber main body inner casing inner chamber from jet orifice, blending pore and wind order again from main whirlwind sheet and whirly sheet respectively.
Description of drawings
Fig. 1 is that the master of a kind of embodiment of combined type whirlwind of the present invention combustion chamber looks schematic diagram;
Fig. 2 is the left view of the main body of combined type whirlwind of the present invention combustion chamber;
Fig. 3 is that the schematic diagram of main whirlwind sheet of combined type whirlwind of the present invention combustion chamber and A-A are to view.
Reference numeral lists as follows:
The 1-pressure conversion device; 2-master's whirlwind sheet; 3-whirly sheet; 4-whirlwind sheet connecting cylinder; 5-combustion chamber main body cover; 6-combustion chamber main body inner casing; The 7-cold air channel; The 8-jet orifice; 9-reducing section; 10-blending pore; The 11-cooling section; 12-wind order; The 13-plate that is tightly connected; The 14-after-burner; 15-the first throat structure; 16-the second throat structure, 17-cold air opening.
The specific embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
Be illustrated in figure 1 as the structural representation of a kind of embodiment of a kind of combined type whirlwind of the present invention combustion chamber.this combined type whirlwind combustion chamber employing stainless steel, include successively from front to back pressure conversion device 1, combustion chamber main body cover 5, combustion chamber main body inner casing 6, after-burner 14, the rear port of pressure conversion device 1 wherein is connected with the front port of combustion chamber main body cover 5, the rear port of combustion chamber main body cover 5 is connected with the front port of after-burner 14, the coaxial inside that is positioned at combustion chamber main body cover 5 of combustion chamber main body inner casing 6, be provided with the plate 13 that is tightly connected between the rear end of combustion chamber main body inner casing 6 and the rear end of combustion chamber main body cover 5, to form cold air channel 7 between combustion chamber main body inner casing 6 and combustion chamber main body cover 5, be provided with main whirlwind sheet 2, whirly sheet 3 and whirlwind sheet connecting cylinder 4 in the front portion of combustion chamber main body cover 5 inner chambers, the main body of combustion chamber main body inner casing 6 is that column structure, the rear portion of hollow is followed successively by the reducing section 9 of oblate structure of hollow and the cooling section 11 of the oblate rod structure of hollow, combustion chamber main body inner casing 6 2/3rds near position (comprising 2/3rds positions) locate around circumferentially offering jet orifice 8, offer blending pore 10 on reducing section 9, be provided with wind order 12 on cooling section 11.
Particularly, pressure conversion device 1 is the frustum cone structure of hollow, and large port is connected with intake stack, portlet is connected with combustion chamber main body cover 5, be used for the air that air inlet pipeline is sent into is carried out the pressure conversion, make a certain proportion of static pressure become dynamic pressure, reach the effect that improves air velocity.Preferably, the tapering of pressure conversion device 1 is 30 °.Certainly, for the present invention, pressure conversion device 1 is not to be necessary parts, but a kind of preferred.
particularly, see Fig. 1-3, main whirlwind sheet 2 is arranged on the front portion of the inner chamber of combustion chamber main body cover 5, the periphery of main whirlwind sheet 2 fix (such as, be welded and fixed) on the inwall of combustion chamber main body cover 5, be provided with some breach on the periphery of main whirlwind sheet 2, be 6 breach in Fig. 2, the inwall of each breach and adjacent combustion chamber main body cover 5 is formed for the cold air opening 17 that air enters cold air channel 7, the front end of combustion chamber main body inner casing 6 withstands on the rear side of main whirlwind sheet 2, fixing in the centre bore of main whirlwind sheet 2 (such as, be welded and fixed) whirlwind sheet connecting cylinder 4, whirlwind sheet connecting cylinder 4 is hollow cylindrical structure, whirlwind sheet connecting cylinder 4 is interior to be fixed (such as, be welded and fixed) whirly sheet 3 arranged, the centre bore of whirly sheet 3 is used for being connected with fuel atomizer.The fuel oil that centre bore by whirly sheet 3 enters in combustion chamber main body inner casing 6 mixes mutually with the air that blade exit from whirly sheet 3 enters in combustion chamber main body inner casing 6, with peripheral speed, the reduction axial velocity that improves atomized fuel; Blade exit by main whirlwind sheet 2 enters the interior air of combustion chamber main body inner casing 6, and peripheral speed improves, axial velocity reduces, form eddy current, to extend the time of staying of air (being mainly oxygen) in main body inner casing 6 inner chambers of combustion chamber.Preferably, consider peripheral speed and axial velocity, the blade outlet angle of main whirlwind sheet 2 is 15 °-45 °, and optimum angle is 30 °; The blade outlet angle of whirly sheet 3 is 5 °-15 °, optimum angle is 8 °, the outlet blade angle of whirly sheet 3 is less than the outlet blade angle of main whirlwind sheet 2, can improve the space availability ratio in combustion chamber main body inner casing 6, make the blending space of fuel oil in combustion chamber main body inner casing 6 as far as possible large, be conducive to shorten the length of combustion chamber main body inner casing 6 and combustion chamber main body cover 5.See Fig. 3, be the schematic diagram of main whirlwind sheet 2 and its A-A to view, visible blade outlet angle is 30 °.In addition, enter the air of cold air channel 7 from cold air opening 17, follow-uply return to main body inner casing 6 inside, combustion chamber by jet orifice 8, blending pore 10 and wind order 12 again.
Particularly, the main body of combustion chamber main body inner casing 6 is that hollow circuit cylinder body structure, rear portion are the reducing section 9 of oblate structure of hollow and the cooling section 11 of the oblate rod structure of hollow.near position 2/3rds places or 2/3rds of combustion chamber main body inner casing 6 (being positioned on the hollow circuit cylinder body structure) offers jet orifice 8, jet orifice 8 is along several circumferential openings, in the present embodiment, jet orifice 8 is comprised of the hole of 12 φ 8, cold air in cold air channel 7 enters in combustion chamber main body inner casing 6 by jet orifice 8, form the primary zone between the rear side of the whirly sheet 3 of combustion chamber main body inner casing 6 inner chambers and jet orifice 8 front sides, most of fuel oil burns, jet orifice 8 can effectively reduce main whirlwind sheet 2 and whirly sheet 3 coordinates the recirculating zone that forms, improve the combustion space utilization rate in primary zone, enhanced burning intensity, and can improve the stability of burning.The tapering of reducing section 9 is 30 °, the large port of reducing section 9 is connected with the hollow circuit cylinder body structure of front side, its portlet is connected with cooling section 11, be provided with blending pore 10 on reducing section 9, blending pore 10 is along some openings of offering on the side of oblate structure of hollow, preferably, blending pore 10 is comprised of the hole of 20 φ 5, the fuel oil that the primary zone is imperfect combustion mixes with air (being mainly oxygen) according to a certain percentage again, in order to can carry out second-time burning to it in the after-burner 14 of rear side.The effect of supercharging has also been played in the reducing of reducing section 9.Be provided with wind order 12 on cooling section 11, wind order 12 is the some openings that arrange along on the side of the oblate column construction of hollow of cooling section, and preferably, wind order 12 is comprised of the hole of 10 φ 3, Main Function is the structure temperature in cooling flame exit, prevents the overheated generation distortion of structure.Preferably, the stomatal size of jet orifice 8, blending pore 10 and wind order 12 is than being 38.4:25:4.5, at this moment, the air in cold air channel 7 also is 38.4:25:4.5 by the ratio that jet orifice 8, blending pore 10 and wind order 12 enter the intake in combustion chamber main body inner casing 6 respectively.Preferably, the ratio of tolerance and the tolerance of the air that enters cold air channel 7 from cold air opening 17 that the blade exit of main whirlwind sheet 2 and whirly sheet 3 directly enters the air of combustion chamber main body inner casing 6 is 1:3, is beneficial to the abundant burning of fuel.
In the present embodiment, whirly sheet 3 is positioned at the rear side of main whirlwind sheet 2, mainly to consider to atomizer to reserve enough placement spaces, when in the situation that conditions permit, length growth such as pressure conversion device 1, main whirlwind sheet 2 and whirly sheet 3 can be arranged in same vertical plane, be also a kind of preferred situation this moment, is more conducive to the mixing of air and atomized fuel.
particularly, rear side at combustion chamber main body cover 5 also is provided with after-burner 14, the main body of after-burner 14 (interlude) is the hollow circuit cylinder body structure, the front portion is provided with the first throat structure 15, the rear portion is the second throat structure 16, the large port of the first throat structure 15 is connected with the rear port of combustion chamber main body cover 5, the portlet of the first throat structure 15 is connected with the front port of the hollow circuit cylinder body structure of interlude, the large port of the second throat structure 16 is connected with the rear port of the hollow circuit cylinder body structure of interlude, the portlet of the second throat structure 16 is free end, and the diameter of the portlet of the second throat structure 16 equals the diameter of the rear port of cooling section 11.After-burner 14 provides the place of fuel oil second-time burning, has improved the temperature of flame export when having improved fuel utilization ratio.The purpose that the first throat structure 15 and the second throat structure 16 are set be do not change hot-fluid to prerequisite under, reduce the diffusion space of Fuel Remained, improve the space density of atomized fuel, be more conducive to burning.The diameter of the portlet of the second throat structure 16 wherein equals the diameter of the rear port of cooling section 11, and purpose is not destroy the heat flow direction that combustion chamber main body inner casing 6 produces.
Combined type whirlwind of the present invention combustion chamber, be divided into the level Four air intake, by main whirlwind sheet 2 and whirly sheet 3(one-level air intake) with jet orifice 8(secondary air intake) coordinate and form primary zone and recirculating zone, main whirlwind sheet 2 and whirly sheet 3 make fuel oil and the air mixed proportion more even, retention flame effect is played in the recirculating zone, three grades of air intakes of blending pore 10() further mix the imperfect combustion fuel in primary zone, burn, wind order 12(level Four air intake) carry out cooling to flame export.
By in the process of air distribution, improve the excess coefficient of air, than fuel oil, the excess coefficient of air is 10-20%, is preferably 15%, that is to say, improve the excess air of 10-20% according to oil inflame and the clean-burning stoichiometric ratio of oxygen, preferably, 15% excess air.Utilize the rear remaining excess air of burning, the place increases after-burner 14 at flame export, making imperfect combustion fuel oil carry out secondary with last excess air mixes, and the flow velocity of reduction air mixture, utilize the combustion flame of previous stage that air mixture is burnt again, improve fuel utilization ratio.
Combined type whirlwind of the present invention combustion chamber is mainly used in the warmer product, when improving fuel utilization ratio, solved the required high blast requirement in traditional combustion chamber, thereby reduce the requirement to fan and fan electromotor, the main whirlwind sheet of its inside and whirly sheet can effectively shorten the length of combustion chamber main body cover and combustion chamber main body inner casing, can improve fuel utilization ratio and reduce oil consumption, make fuel oil reach burning the most fully, energy savings in the zone that limits.
Claims (12)
1. combined type whirlwind combustion chamber, it is characterized in that, described combined type whirlwind combustion chamber comprises the combustion chamber main body cover, combustion chamber main body inner casing, main whirlwind sheet, whirly sheet and whirlwind sheet connecting cylinder, wherein said combustion chamber main body cover coaxial sleeve is outside the main body inner casing of described combustion chamber, be provided with the plate that is tightly connected between the rear end of the rear end of described combustion chamber main body cover and described combustion chamber main body inner casing, form cold air channel between described combustion chamber main body inner casing and combustion chamber main body cover, described main whirlwind sheet is arranged on the front portion of the inner chamber of described combustion chamber main body cover, the periphery of described main whirlwind sheet is fixed on the inwall of described combustion chamber main body cover, the periphery of described main whirlwind sheet is provided with some breach, the inwall of described breach and described combustion chamber main body cover is formed for the cold air opening that air enters described cold air channel, described combustion chamber main body inner casing front end withstands on the rear side of described main whirlwind sheet, fixing described whirlwind sheet connecting cylinder in the centre bore of described main whirlwind sheet, described whirlwind sheet connecting cylinder is hollow cylindrical, be fixed with described whirly sheet in described whirlwind sheet connecting cylinder, the centre bore of described whirly sheet is used for being connected with fuel atomizer, the front end of described combustion chamber main body cover is used for being connected with air inlet pipeline.
2. combined type whirlwind according to claim 1 combustion chamber, is characterized in that, the outlet blade angle of described main whirlwind sheet is 15 °-45 °, and the outlet blade angle of described whirly sheet is 5 °-15 °.
3. combined type whirlwind according to claim 2 combustion chamber, is characterized in that, the outlet blade angle of described main whirlwind sheet is 30 °, and the outlet blade angle of described whirly sheet is 8 °.
4. according to claim 2 or 3 described combined type whirlwind combustion chambers, is characterized in that, near 2/3rds positions of described combustion chamber main body inner casing along circumferentially offering some openings, i.e. jet orifice.
5. according to claim 2 or 3 described combined type whirlwind combustion chambers, it is characterized in that, the rear portion of described combustion chamber main body inner casing is a reducing section, the tapering of described reducing section is 30 °, described reducing section is oblate structure of hollow, circumferential some openings, i.e. the blending pore of offering on the side of oblate structure of hollow along the reducing section.
6. combined type whirlwind according to claim 5 combustion chamber, it is characterized in that, described combustion chamber main body inner casing also comprises cooling section, described cooling section is connected with described reducing section and is positioned at the rear side of described reducing section, described cooling section is the oblate column construction of hollow, circumferential some openings, i.e. the wind order of offering on the side of the oblate column construction of hollow along described cooling section.
7. combined type whirlwind according to claim 6 combustion chamber, it is characterized in that, the ratio of tolerance and the tolerance of the air that enters described cold air channel from described cold air opening that directly enters the air of combustion chamber main body inner casing from the blade exit of described main whirlwind sheet and whirly sheet is 1:3; Described jet orifice, blending pore and wind purpose stomatal size are than being 38.4:25:4.5.
8. combined type whirlwind according to claim 7 combustion chamber, is characterized in that, described jet orifice is comprised of the hole of 12 φ 8, and described blending pore is comprised of the hole of 20 φ 5, and described wind order is comprised of the hole of 10 φ 3.
9. one of according to claim 1-8 described combined type whirlwind combustion chambers, it is characterized in that, also comprise pressure conversion device, described pressure conversion device is the frustum cone structure of a hollow, the large port of described frustum cone structure is used for being connected with described air inlet pipeline, the portlet of described frustum cone structure is connected with the front port of combustion chamber main body cover, and the tapering of the frustum cone structure of described pressure conversion device is 30 °.
10. one of according to claim 1-9 described combined type whirlwind combustion chambers, is characterized in that, also comprise after-burner, described after-burner is hollow tube-shape, and its front port is connected with the rear port of described combustion chamber main body cover.
11. combined type whirlwind according to claim 10 combustion chamber, it is characterized in that, the front portion of the hollow tube-shape of described after-burner is the first throat structure, the rear portion of the hollow tube-shape of described after-burner is the second throat structure, the main body that is positioned at the middle after-burner of described the first throat structure and the second throat structure is hollow cylindrical structure, and the portlet diameter of the second throat structure wherein equals described cooling section rear port diameter.
12. one of according to claim 1-11 described combined type whirlwind combustion chambers is characterized in that than entering the indoor described fuel oil of described combined type burning, the excess coefficient that enters the indoor air of described combined type burning is 10-20%.
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| CN107246346A (en) * | 2017-05-22 | 2017-10-13 | 中国北方车辆研究所 | A kind of burner mounting seat and the buner system including base |
| CN107314369A (en) * | 2017-05-22 | 2017-11-03 | 中国北方车辆研究所 | A kind of premixing ignition, diffusion burner system |
| CN108469039A (en) * | 2018-03-21 | 2018-08-31 | 哈尔滨工业大学 | A kind of wall jet oval combustion chamber with low emission |
| CN110260304A (en) * | 2017-05-22 | 2019-09-20 | 中国北方车辆研究所 | A kind of design method and its buner system of secondary air cylinder |
| CN110274225A (en) * | 2017-05-22 | 2019-09-24 | 中国北方车辆研究所 | A kind of mounting bracket and its buner system |
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| CN110274226A (en) * | 2017-05-22 | 2019-09-24 | 中国北方车辆研究所 | A kind of eddy flow generating plate and its buner system |
| CN107246346A (en) * | 2017-05-22 | 2017-10-13 | 中国北方车辆研究所 | A kind of burner mounting seat and the buner system including base |
| CN110513678B (en) * | 2017-05-22 | 2021-06-08 | 中国北方车辆研究所 | Vehicle heater system |
| CN110260304A (en) * | 2017-05-22 | 2019-09-20 | 中国北方车辆研究所 | A kind of design method and its buner system of secondary air cylinder |
| CN110274225A (en) * | 2017-05-22 | 2019-09-24 | 中国北方车辆研究所 | A kind of mounting bracket and its buner system |
| CN110274227A (en) * | 2017-05-22 | 2019-09-24 | 中国北方车辆研究所 | A kind of burning air feed plectane and its buner system |
| CN107314369A (en) * | 2017-05-22 | 2017-11-03 | 中国北方车辆研究所 | A kind of premixing ignition, diffusion burner system |
| CN110513677A (en) * | 2017-05-22 | 2019-11-29 | 中国北方车辆研究所 | A kind of vehicle warmer system |
| CN110274225B (en) * | 2017-05-22 | 2020-10-30 | 中国北方车辆研究所 | Mounting bracket and combustor system thereof |
| CN107314369B (en) * | 2017-05-22 | 2020-05-12 | 中国北方车辆研究所 | Premixed ignition and diffusion combustor system |
| CN110513678A (en) * | 2017-05-22 | 2019-11-29 | 中国北方车辆研究所 | A kind of vehicle warmer system |
| CN110260304B (en) * | 2017-05-22 | 2021-05-28 | 中国北方车辆研究所 | Design method of secondary air inlet cylinder and burner system thereof |
| CN110513677B (en) * | 2017-05-22 | 2021-06-04 | 中国北方车辆研究所 | Vehicle heater system |
| CN108469039A (en) * | 2018-03-21 | 2018-08-31 | 哈尔滨工业大学 | A kind of wall jet oval combustion chamber with low emission |
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| CN103115354B (en) | 2015-08-05 |
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