CN201071740Y - Water-cooled turbine box structure of minitype mixed flow turbosupercharger - Google Patents
Water-cooled turbine box structure of minitype mixed flow turbosupercharger Download PDFInfo
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- CN201071740Y CN201071740Y CNU2007201145592U CN200720114559U CN201071740Y CN 201071740 Y CN201071740 Y CN 201071740Y CN U2007201145592 U CNU2007201145592 U CN U2007201145592U CN 200720114559 U CN200720114559 U CN 200720114559U CN 201071740 Y CN201071740 Y CN 201071740Y
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Abstract
The utility model discloses a water-cooling turbine box structure of small-size mixed flow turbocharger, which comprises a turbine box with disc seat, the turbine box is provided with a rotary center hole of the mixed flow turbine impeller arranging the mixed flow turbine rotary shaft, the turbine box inner part is arranged with an airflow channel, the airflow channel fuel gas inlet is arranged on the disc plate center part, and a waste gas outlets is arranged at the turbine box center part, wherein: the airflow channel inner cavity is a cross section cavity, which varies with variety of angle, the turbine box airflow channel periphery is arranged with a cooling waterway, the cooling waterway water inlet and water outlet are arranged on two sides of the disc seat fuel gas inlet, and at least two sand discharging holes communicated with the cooling waterway inner part are arranged on the turbine box. The utility model has simple structure, high efficiency and energy conservation, so as to obstruct transmission of high temperature fuel gas to the turbine box surface, thereby satisfying particular requirements of different engine customers on engine surface temperature, and heightening using safety of the turbocharger.
Description
Technical field
The utility model relates to the light mechanical and electrical integration field, is specifically related to the water-cooled turbine box structure of a kind of small-sized mixed flow turbine pressurized machine of motor car engine or marine engine use.
Background technique
Develop rapidly along with Domestic Automotive Industry and shipping industry, car engine and marine engine technology are being brought in constant renewal in the replacement, technical merit improves constantly, have only high efficiency, fuel oil energy consumption motor low, low emission could adapt to the future market, this is to having higher requirement with the pressurized machine of Engine Matching.
The waste gas that engine exhaust pipe is discharged contains 25%～35% of fuel oil energy, and this part energy has been wasted on non-supercharged engine.Turbosupercharger is to make full use of the heat energy that high-temp waste gas contained that outlet pipe is discharged, kinetic energy and pressure energy, blow turbine wheel high speed rotating (being similar to the windmill principle), the compressor impeller high speed rotating of drive in same rotating shaft, make the air density that enters cylinder increase (being equivalent to blower), increased the air inflow of motor, the perfect combustion of fuel and the more fuel oil that can burn have been promoted, increased substantially engine power (efficiently), reduced fuel consumption rate (energy-conservation), reduced exhaust emission pollution, reduce emission level (environmental protection), be widely used in engine art.
Generally about 500 ℃～750 ℃, these high-temp waste gas enter the air-flow path of turbine box to the exhaust gas temperature that motor is discharged, and blow turbine wheel, so turbine box is under the fuel gas temperature influence, and hull-skin temperature also reaches 500 ℃～600 ℃.Because motor upgrades, and HP, hp/litre continues to increase, causing delivery temperature is that the turbine box temperature is higher on the one hand.Turbine box is connected with bearing support, and the turbine box temperature raises the lubricating oil temperature in the bearing support to the bearing support transmission, has reduced the lubrication effect of lubricant oil, the reliability of harm bearing arrangement.On the other hand, the turbine box surface temperature about 500 ℃～750 ℃, when the driver was safeguarded motor, particularly the driver of marine engine produced scald hidden danger with other staff owing to contacting the turbine box surface.
Summary of the invention
Technical problem to be solved in the utility model is the present situation at prior art, provide a kind of simple in structure, energy-efficient, can intercept the water-cooled turbine box structure of high-temperature fuel gas to the small-sized mixed flow turbine pressurized machine of the transmission on turbine box surface.
The utility model solves the problems of the technologies described above the technological scheme that is adopted: a kind of water-cooled turbine box structure of small-sized mixed flow turbine pressurized machine, comprise the turbine box that is shaped on the dish seat, turbine box has the center hole of the mixed flow turbine wheel rotation that the mixed flow turbine rotating shaft is set, the inside of described turbine box is provided with air-flow path, the gas inlet of air-flow path is arranged on the center portion of dish seat, the waste gas air outlet is arranged on the center portion of turbine box, wherein: the cross section cavity of the internal cavity of described air-flow path for changing with angle, described turbine box air-flow path outer periphery is equipped with cooling water channel, the water intake of described cooling water channel and water outlet are arranged on the both sides of the gas inlet of dish seat, and described turbine box is provided with at least two clearance holes that communicate with described cooling water channel inside.
For optimizing technique scheme, the measure of being taked also comprises:
The internal cavity of the cooling water channel of above-mentioned turbine box is the divergent shape structure that increases with angle by water intake to the channel cross-section of water outlet.
The internal cavity of the air-flow path of above-mentioned turbine box is the convergence shape structure that reduces with the angle increase by gas inlet to waste gas air outlet channel cross-sectional area.
The dish seat suction port center and the engine exhaust gas outlet center of above-mentioned turbine box are complementary.
One side of above-mentioned turbine box is provided with annular table, and this annular table is arranged on the side of turbine box waste gas air outlet, and the exhaust steam passage of water-cooled turbine box is communicated with described through annular table.
Compared with prior art, the beneficial effects of the utility model are as follows: 1. water-cooled turbine box dish seat is provided with water intake and water outlet, and two holes connect mutually, forms cooling water channel.From the cooling water of motor cooling water channel through turbine box, intercepted the transmission of high-temperature fuel gas to the turbine box surface, make water-cooled turbine box surface temperature well below general turbine box surface temperature, satisfied the specific (special) requirements of different motor clients, strengthened the Security that pressurized machine uses the Engine Surface temperature; 2. from the cooling water of the motor cooling water channel through turbine box, the high-temperature fuel gas that has reduced turbine box has improved the reliability of pressurized machine bearing arrangement to the heat that the bearing support bearing arrangement transmits; 3. on small-sized mixed flow turbine pressurized machine basis, creationary employing water-cooled turbine box technology has satisfied high efficiency, the high performance requirements of motor of new generation to pressurized machine, has satisfied the particular client demand that requires the turbine box surface low-temperature again.
Description of drawings
Fig. 1 is the utility model embodiment inner side cross-sectional view;
Fig. 2 is the dish seat Facad structure schematic representation of Fig. 1;
Fig. 3 is the three-dimensional cooling water channel cross-sectional view of Fig. 1;
Fig. 4 is the general assembly cross-sectional schematic that Fig. 1 assembles example.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Structure of the present utility model sees that Fig. 1 is to shown in Figure 3, a kind of water-cooled turbine box structure of small-sized mixed flow turbine pressurized machine, comprise the turbine box 10 that is shaped on dish seat 11, turbine box 10 is the water-cooled turbine box, its global shape is like snail, turbine box 10 has the center hole of mixed flow turbine impeller 9 rotations that the mixed flow turbine rotating shaft is set, the inside of described turbine box 10 is provided with air-flow path 12, the gas inlet 13 of air-flow path 12 is arranged on the center portion of dish seat 11, waste gas air outlet 14 is arranged on the center portion of turbine box 10 for circular port, this is waste gas air outlet 14, water-cooled turbine box 10 front sides are provided with a rectangular disk seat 11, dish seat 11 centers have just like rectangular opening, it is a gas inlet 13, the center of the center of gas inlet 13 and engine exhaust air outlet is complementary, and the waste gas of engine combustion enters turbine box air-flow path 12 through suction port; The cross section cavity of the internal cavity of air-flow path 12 for changing with angle, described turbine box 10 air-flow paths 12 outer periphery are equipped with cooling water channel 15, the water intake 16 of described cooling water channel 15 and water outlet 17 are rectangular hole, it is separately positioned on the both sides of the gas inlet 13 of dish seat 11, discharges turbine box 10 from the useless combustion gas that dish seat 11 rectangle gas inlets 13 enter through a side of waste gas air outlet 14.Turbine box 10 is provided with at least two clearance holes 18 that communicate with described cooling water channel 15 inside, and clearance hole 18 is convenient and be provided with in order to cast time row's core.
One side of turbine box 10 is provided with annular table 19, and this annular table 19 is arranged on the side of turbine box 10 waste gas air outlets 14, and the waste gas that enters water-cooled turbine box 10 excretes through annular table 19.
The rectangle gas inlet 13 that is provided with on the turbine box 10 dish seats 11 connects with turbine box core exhaust gases air outlet 14, its internal interface is not wait, along with the area of the increasing section of angle of swing is constantly reducing, it is circular-arc that the change curve in cross section roughly becomes, and forms the air-flow path 12 of convergent contour.Waste gas enters air-flow path 12 from dish seat 11 rectangle gas inlets 13, because of gas is constantly arranged, and the cross section of the air-flow path 12 that enters of gas constantly reduces, waste gas is compressed, gas after being compressed has very high heat energy, kinetic energy, also has high pressure, under the impelling of such gas, the mixed flow turbine impeller 9 that is arranged on the mixed flow turbine rotating shaft of turbine box 10 center holes rotates, thereby drive rotating shaft 8 and compressor impeller 2 rotations, the waste gas that motor is discharged is fully utilized, and has improved the utilization ratio of fuel.The high speed rotating of compressor impeller 2 makes fresh gas constantly enter compressor volute 1, enters engine interior, impels the internal combustion engines full combustion of fuel, has improved the utilization ratio of fuel, has reduced the discharging of pollutant, has saved the energy.Turbine box 10 dish seats 11 are provided with two rectangular holes, and one is water intake 16, and another is that water outlet 17, two holes are interconnected, and forms cooling water channel 15.To water outlet 17, channel cross-sectional area increases with the increase of angle the inner section of turbine box 10 cooling water channels 15 by water intake 16, is the divergent shape structure, and water temperature increases the problem that cooling effect reduces in this structure Design solution water flow process.From the cooling water of motor cooling water channel 15 through water-cooled turbine box 10, intercepted the transmission of high-temperature fuel gas to turbine box 10 surfaces, make water-cooled turbine box 10 surface temperatures well below general turbine box surface temperature, reduced the heat of the high-temperature fuel gas of turbine box to the transmission of bearing support bearing arrangement, improved the reliability of pressurized machine bearing arrangement, satisfied the specific (special) requirements of different motor clients, satisfied high efficiency, the high performance requirements of motor of new generation pressurized machine to the Engine Surface temperature.The employing of turbine box Water Cooling Technology has strengthened the Security that pressurized machine uses.
When using the water-cooled turbine box structure of small-sized mixed flow turbine pressurized machine, the pressurized machine that assembles is installed in place, engine exhaust air outlet, pressurized machine waste gas inlet and engine exhaust gas outlet center position should be complementary.The suction port 13 that the waste gas that motor is discharged is provided with from dish seat 11 enters the air-flow path 12 of water-cooled turbine box 10, drives mixed flow turbine impeller 9 rotations that are arranged on the turbine box center, discharges turbine box from the waste gas air outlet 14 that water-cooled turbine box 10 is provided with.Cooling water from motor enters cooling water channel 15 through the water intake 16 of water-cooled turbine box 10 dish seats 11, water-cooled turbine box 10 integral body is cooled off the back flow out from water outlet 17.The turbine box cooling water can adopt circulating water, has saved water resources, has protected environment.This model utility is simple in structure, with high content of technology, the setting of cooling water channel on the turbine box, intercepted the transmission of high-temperature fuel gas to the turbine box surface, reduced high-temperature fuel gas to the heat that the bearing support bearing arrangement transmits, improved the reliability of pressurized machine bearing arrangement, made water-cooled turbine box surface temperature well below general turbine box surface temperature, strengthened the Security that pressurized machine uses, satisfied high efficiency, the high performance requirements of motor of new generation pressurized machine.
Shown in Figure 4, a kind of water-cooled turbine box design of mini mixed flow turbine pressurized machine that is fitted with, it mainly is made up of parts such as turbine box 10, mixed flow turbine rotating shaft, thermal shield 6, bearing support 5, gas compressor pressing plate 4, compressor impeller 2, compressor volute 1, axle big envelope, thrust bearing, thrust plate, floating bearings.The center portion of compressor volute 1 is provided with impeller bore 3, and impeller bore 3 inside are provided with compressor impeller 2, and impeller bore 3 is complementary with compressor impeller 2.Arranged outside at compressor impeller 2 has bearing support 5, by the Ka Tai that is provided with on the compressor volute 1 bearing support 5 is carried out spacing, by gas compressor pressing plate 4 and link that bearing support 5 is fixing again.Bearing support 5 is the water cooled bearing body, its inside is provided with water-cooling channel, can cool off parts such as the bearing support 5 inner bearings that are provided with, turbine shaft by water-cooling channel, guarantee that lubricating oil temperature is in the normal working temperature scope, guarantee the functional reliability of pressurized machine bearing arrangement, also guarantee the functional reliability of turbine end sealing configuration, improved the pressurized machine overall reliability.The opposite side of bearing support 5 is fixed on the turbine box 10.Contact with bearing support 5 inside of a side of turbine box 10 is provided with thermal shield 6 and mixed flow turbine rotating shaft, and thermal shield 6 is provided with rotary shaft hole 7.
The mixed flow turbine rotating shaft comprises rotating shaft 8 and mixed flow turbine impeller 9, mixed flow turbine impeller 9 has adopted the mixed flow turbine technology, the advantage of compatible radial turbine and axial-flow turbine technology greatly improves the negotiability of turbine, can obtain high efficient under higher specific speed.Mixed flow turbine impeller 9 is integrally welded by friction welding with rotating shaft 8, has constituted the mixed flow turbine rotating shaft.The structure of the mixed flow turbine impeller 9 of combined flow turbine pressurized machine is improved, and inlet diameter is reduced to Ф 50mm by normal Ф 55mm, and the employing of this unconventional matching technique has reduced the rotary inertia of rotor assembly, improves the overall acceleration performance of pressurized machine.The rotary shaft hole 7 of the rotating shaft 8 of mixed flow turbine rotating shaft by being provided with on the thermal shield 6 passes bearing support 5, gas compressor pressing plate 4 is connected with compressor impeller 2, and compressor impeller 2 and mixed flow turbine rotating shaft are rotated synchronously.This pressurized machine is on small-sized mixed flow turbine pressurized machine basis, adopt water-cooled turbine box technology, periphery design at the turbine box exhaust steam passage has been made cooling water channel, promptly satisfied the requirement of motor to high efficiency, high-performance pressurized machine, alleviated the negative effect of high-temp waste gas again to lubricant oil, and guaranteed that driver and driver and conductor avoid scalding, satisfied the needs of customer demand turbine box surface low-temperature.Turbine box is designed, manufactures the water-cooled turbine box, make the turbine box surface temperature below 200 ℃, guarantee that the driver and conductor can unexpected not burnt by turbine box, reduced the heat transfer of turbine box simultaneously, guarantee the reliably working of pressurized machine bearing arrangement to bearing support.New type pressurized device removes water-cooled turbine box and the mixed flow turbine technology of adopting, improved the pressurized machine total efficiency, prevented the transmission of high-temperature fuel gas, also reduced the heat that transmits to bearing arrangement to the turbine box outer surface, improve the reliability of pressurized machine bearing arrangement, strengthened the Security that pressurized machine uses.
Most preferred embodiment of the present utility model is illustrated, and various variations or the remodeling made by those of ordinary skills can not break away from scope of the present utility model.
Claims (5)
1. the water-cooled turbine box structure of a small-sized mixed flow turbine pressurized machine, comprise the turbine box (10) that is shaped on dish seat (11), turbine box (10) has the center hole of mixed flow turbine impeller (9) rotation that the mixed flow turbine rotating shaft is set, the inside of described turbine box (10) is provided with air-flow path (12), the gas inlet (13) of air-flow path (12) is arranged on the center portion of dish seat (11), waste gas air outlet (14) is arranged on the center portion of turbine box (10), it is characterized in that: the cross section cavity of the internal cavity of described air-flow path (12) for changing with angle, described turbine box (10) air-flow path (12) outer periphery is equipped with cooling water channel (15), the water intake (16) of described cooling water channel (15) and water outlet (17) are arranged on the both sides of the gas inlet (13) of dish seat (11), and described turbine box (10) is provided with at least two clearance holes (18) that communicate with described cooling water channel (15) inside.
2. the water-cooled turbine box structure of the described a kind of small-sized mixed flow turbine pressurized machine of root a tree name claim 1 is characterized in that: the internal cavity of the cooling water channel (15) of described turbine box (10) is the divergent shape structure that increases with angle by water intake (16) to the channel cross-section of water outlet (17).
3. the water-cooled turbine box structure of the described a kind of small-sized mixed flow turbine pressurized machine of root a tree name claim 2 is characterized in that: the internal cavity of the air-flow path (12) of described turbine box (10) is with angle to waste gas air outlet (14) channel cross-sectional area by gas inlet (13) and increases the convergence shape structure that reduces.
4. the water-cooled turbine box structure of root a tree name claim 1 or 2 or 3 described a kind of small-sized mixed flow turbine pressurized machines, it is characterized in that: dish seat (11) suction port (13) center and the engine exhaust gas outlet center of described turbine box (10) are complementary.
5. the water-cooled turbine box structure of root a tree name claim 1 or 2 or 3 described a kind of small-sized mixed flow turbine pressurized machines, it is characterized in that: a side of described turbine box (10) is provided with annular table (19), this annular table (19) is arranged on the side of turbine box (10) waste gas air outlet (14), and the exhaust steam passage of water-cooled turbine box (10) is communicated with described through annular table (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201145592U CN201071740Y (en) | 2007-09-05 | 2007-09-05 | Water-cooled turbine box structure of minitype mixed flow turbosupercharger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201145592U CN201071740Y (en) | 2007-09-05 | 2007-09-05 | Water-cooled turbine box structure of minitype mixed flow turbosupercharger |
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| CN201071740Y true CN201071740Y (en) | 2008-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2007201145592U Expired - Fee Related CN201071740Y (en) | 2007-09-05 | 2007-09-05 | Water-cooled turbine box structure of minitype mixed flow turbosupercharger |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011000182A1 (en) * | 2009-07-03 | 2011-01-06 | Wang Hang | Dual-passage variable-section turbine of turbocharger |
| CN101943034A (en) * | 2010-09-18 | 2011-01-12 | 中国兵器工业集团第七○研究所 | Water-cooled gas compressor spiral housing |
| CN101949308A (en) * | 2010-09-18 | 2011-01-19 | 中国兵器工业集团第七○研究所 | Water-cooled volute device |
| CN102297041A (en) * | 2010-06-24 | 2011-12-28 | 福特环球技术公司 | Combustion motor with cylinder cover and turbo machine and operation method thereof |
| US8365526B2 (en) * | 2006-03-15 | 2013-02-05 | Man Truck & Bus Ag | Vehicle or stationary power plant having a turbocharged internal combustion engine as a drive source |
| CN104405454A (en) * | 2014-11-13 | 2015-03-11 | 宁波威孚天力增压技术有限公司 | Cooling water circulating system for supercharger laboratory |
| CN105986884A (en) * | 2015-03-18 | 2016-10-05 | 株式会社丰田自动织机 | Turbocharger |
| CN106907228A (en) * | 2015-12-23 | 2017-06-30 | 北京福田康明斯发动机有限公司 | For cooling means and system, the engine and vehicle of the booster of engine |
| CN106996320A (en) * | 2016-01-22 | 2017-08-01 | 福特环球技术公司 | Turbine cylinder |
| JP2018188965A (en) * | 2017-04-28 | 2018-11-29 | ダイハツ工業株式会社 | Exhaust turbocharger |
| CN110332042A (en) * | 2019-07-31 | 2019-10-15 | 湖南天雁机械有限责任公司 | A kind of turbine box structure reducing thermal stress |
| CN110595067A (en) * | 2019-08-07 | 2019-12-20 | 西安交通大学 | Volute-shaped condensing type fuel gas heat exchange equipment and heat exchange method |
-
2007
- 2007-09-05 CN CNU2007201145592U patent/CN201071740Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8365526B2 (en) * | 2006-03-15 | 2013-02-05 | Man Truck & Bus Ag | Vehicle or stationary power plant having a turbocharged internal combustion engine as a drive source |
| WO2011000182A1 (en) * | 2009-07-03 | 2011-01-06 | Wang Hang | Dual-passage variable-section turbine of turbocharger |
| CN102297041A (en) * | 2010-06-24 | 2011-12-28 | 福特环球技术公司 | Combustion motor with cylinder cover and turbo machine and operation method thereof |
| CN101943034A (en) * | 2010-09-18 | 2011-01-12 | 中国兵器工业集团第七○研究所 | Water-cooled gas compressor spiral housing |
| CN101949308A (en) * | 2010-09-18 | 2011-01-19 | 中国兵器工业集团第七○研究所 | Water-cooled volute device |
| CN104405454A (en) * | 2014-11-13 | 2015-03-11 | 宁波威孚天力增压技术有限公司 | Cooling water circulating system for supercharger laboratory |
| CN105986884A (en) * | 2015-03-18 | 2016-10-05 | 株式会社丰田自动织机 | Turbocharger |
| CN106907228A (en) * | 2015-12-23 | 2017-06-30 | 北京福田康明斯发动机有限公司 | For cooling means and system, the engine and vehicle of the booster of engine |
| CN106907228B (en) * | 2015-12-23 | 2019-04-19 | 北京福田康明斯发动机有限公司 | The cooling means and system of booster for engine, engine and vehicle |
| CN106996320A (en) * | 2016-01-22 | 2017-08-01 | 福特环球技术公司 | Turbine cylinder |
| JP2018188965A (en) * | 2017-04-28 | 2018-11-29 | ダイハツ工業株式会社 | Exhaust turbocharger |
| CN110332042A (en) * | 2019-07-31 | 2019-10-15 | 湖南天雁机械有限责任公司 | A kind of turbine box structure reducing thermal stress |
| CN110595067A (en) * | 2019-08-07 | 2019-12-20 | 西安交通大学 | Volute-shaped condensing type fuel gas heat exchange equipment and heat exchange method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: NINGBO WEIFU TIANLI TURBOCHARGING TECHNOLOGY CO., Free format text: FORMER NAME: NINGBO TIANLI TURBOCHARGER CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 315032 Zhejiang Province, Ningbo Jiangbei District Haichuan Road 168 Lane No. 1 Patentee after: Ningbo Weifu Tianli Turbocharging Technology Co., Ltd. Address before: 315032 Zhejiang Province, Ningbo Jiangbei District Haichuan Road 168 Lane No. 1 Ningbo Tianli turbocharger Co. Ltd. Patentee before: Ningbo Tianli Turbocharger Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080611 Termination date: 20160905 |