CN209510669U - A kind of double dynamical and raising speed mode gas compressing equipment - Google Patents
A kind of double dynamical and raising speed mode gas compressing equipment Download PDFInfo
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- CN209510669U CN209510669U CN201920081280.1U CN201920081280U CN209510669U CN 209510669 U CN209510669 U CN 209510669U CN 201920081280 U CN201920081280 U CN 201920081280U CN 209510669 U CN209510669 U CN 209510669U
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- shaft
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- raising speed
- line shaft
- double dynamical
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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Abstract
A kind of double dynamical and raising speed mode gas compressing equipment, the cathode exhaust gas of fuel cell has certain pressure and energy, it is flowed into air impeller shell by air inlet and pushes exhaust driven gas turbine rotation, simultaneously, the rotation of direct current generator energization rear driving power axis, to make the cathode exhaust gas of fuel cell combine driving line shaft rotation with direct current generator, low flow velocity exhaust energy can be recycled to save the driving energy of supercharging equipment institute actual consumption, that is, there is energy-saving effect.Meanwhile being significantly reduced power capacity, size and the cost of supercharging equipment motility device.Restriction of the high revolving speed of line shaft to machinery brought by direct current generator and electrotechnical bottleneck is avoided, the technical difficulty of line shaft support aspect is reduced, improves reliability significantly and reduce cost.
Description
Technical field
The utility model relates to plenum technical fields, and in particular to the double dynamical and raising speed mode gas compression of one kind is set
It is standby.
Background technique
Centrifugal gas compress technique has special advantage and is used widely, such as internal combustion engine is matched useless
Air turbine booster, the matched air inlet air compressor machine of hydrogen fuel cell, technical grade mass flow air compressor etc..Its principle is former dynamic
Power machinery drives centrifugal compression impellor high speed rotation, so that it is acted on air inlet gas and generates rotation and centrifugal movement and formed
Supercharging effect.The revolving speed of usual centrifugal compression impellor is up to tens of thousands of per minute to go to hundreds of thousands of turns per minute, thus product is set
Meter and production all have higher technical difficulty.
As a kind of application scenarios, motive power using high-speed motor as driving centrifugal compressor, consumed by
Energy is more.For example the matched electric air compressor of hydrogen fuel cell system, consumption in operation electric energy account for fuel cell
The 20% of system output power.Air compressor becomes the maximum parasitic energy consumable part of fuel cell system, therefore subtracts
Energy consumed by few gas compressing equipment, and there is compact, reliable and inexpensive air manager system simultaneously, have significant
Energy conservation and economic benefit.
The tail gas that the high pressure gas of gas compressing equipment output is discharged after by downstream unit use usually contains one
Fixed dump energy.Such as in the compressed air induction system of hydrogen fuel cell, compressed air has been consumed part in the inside of pile
After oxygen, remaining tail gas is discharged from pile, and the pressure of the discharge tail gas is about as much as the 70% of boost charge-air pressure.Such as
How the energy being vented compared with low flow velocity is recycled, is to realize the energy-efficient key of compressor.
Summary of the invention
The utility model provides a kind of scheme of new recycling tail gas energy to overcome the shortcomings of the above technology,
Under the constraint condition for not dramatically increasing tail gas discharge back pressure, exhaust energy can be recycled and significantly reduce the double dynamical of energy consumption and rise
Fast mode gas compressing equipment.
The utility model overcomes the technical solution used by its technical problem to be:
A kind of double dynamical and raising speed mode gas compressing equipment, comprising:
Shell, it is internal that there is cavity；
Line shaft, through bearing rotational installation in the cavity of shell；
Direct current generator is set in the cavity of shell, and motor stator is connected with the inner wall of shell, rotor and power
Axis is coaxially fixedly mounted；
Air impeller shell is installed on shell one end, is provided with air inlet and exhaust outlet, and the air inlet is connected to combustion
Expect the cathode exhaust gas channel of battery；
Exhaust driven gas turbine is installed in air impeller shell, and the flowing gas entered in air inlet pushes exhaust driven gas turbine rotation,
Exhaust driven gas turbine is coaxially connected with line shaft；
Compressor housings are installed on the shell other end, are provided with compressed air outlet, the compressed air outlet connection
In the cathode inlet channel of fuel cell；And
Compressor impeller is set in compressor casing body, and shaft I is installed in compressor housings, I one end of shaft with calm the anger
Machine impeller is coaxially connected, and the other end is connected by raising speed mechanism with line shaft, and raising speed mechanism makes the revolving speed of shaft I be greater than power
The revolving speed of axis.
Further, above-mentioned bearing is rolling bearing.
Further, above-mentioned bearing is floating bearing.
Further, above-mentioned raising speed mechanism include the bracket being installed on shell, with line shaft it is coaxially connected in annulus
The change of shape and the along the circumferential direction circular N number of planetary gear for being set to I periphery of shaft centered on the axis of shaft I, it is described
Planetary gear is rotatablely installed by shaft II on bracket, and the axis of planetary gear is equal with the axis of the axis of shaft I and line shaft
Row, the cylinder of the outboard end of planetary gear is in contact with the circular inner wall of change, the cylinder of the inner end of planetary gear and shaft I it is outer
End face is in contact.
It further include being set to the lubricant passageway I of shell upper end and being set to shell lower end to improve lubricity
The arrival end of lubricant passageway II, the lubricant passageway I is connected with the outlet end of lubricating pump, and outlet end is set to bearing
Place, the arrival end of the lubricant passageway II are set at bearing, and outlet end is connected with the arrival end of lubricating pump.
In order to improve leakproofness, sealing ring I is respectively arranged between the shell and line shaft of bearing two sides.
Preferably, 3 N.
It further include being set to the traction fluid channel I calmed the anger on machine support and being set in shaft I to improve lubricity
Traction fluid channel II, the arrival end in traction fluid channel I is connected with traction liquid pump, and one outlet end is towards the cylinder position of planetary gear
It sets, another outlet end is connected with the arrival end in traction fluid channel II, and the outlet end in traction fluid channel II is set to shaft I and row
Between the interface that star-wheel is in contact, the traction fluid outlet for traction fluid reflux is provided on the shell.
In order to improve leakproofness, sealing ring II is provided between bracket and shaft I, the sealing ring II is located at raising speed mechanism
Between compressor impeller.
The beneficial effects of the utility model are: the cathode exhaust gas of fuel cell has certain pressure and energy, pass through
Air inlet, which flows into air impeller shell, pushes exhaust driven gas turbine rotation, meanwhile, the rotation of direct current generator energization rear driving power axis, from
And the cathode exhaust gas of fuel cell is made to combine driving line shaft rotation with direct current generator, it is practical that supercharging equipment institute can be saved significantly on
The driving energy of consumption has energy-saving effect.Meanwhile being significantly reduced the power capacity of supercharging equipment motility device, ruler
Very little and cost.Line shaft rotation is rotated by raising speed mechanism drive shaft I, so that compressor impeller is rotated, compressor impeller
The cathode inlet channel of indentation fuel cell will be exported after gas boosting by compressed air outlet.Avoid the high revolving speed of line shaft
Restriction to machinery brought by direct current generator and electrotechnical bottleneck reduces the technical difficulty of line shaft support aspect, shows
It lands and improves reliability and reduce cost.Relative to the high-revolving scheme of line shaft 7, this double dynamical and raising speed mode gas compression
The slow-speed of revolution exhaust driven gas turbine of equipment is formed by back pressure resistance effect to the tail gas discharge of upstream device and reduces significantly, Neng Gouli
With the energy compared with low flow velocity tail gas discharge link.Meanwhile avoid the high revolving speed of line shaft to machinery brought by direct current generator with
The restriction of electrotechnical bottleneck reduces the technical difficulty of line shaft support aspect, improves reliability significantly and reduce cost.
Detailed description of the invention
Fig. 1 is the main view the schematic diagram of the section structure using rolling bearing of the utility model；
Fig. 2 is the main view the schematic diagram of the section structure using floating bearing of the utility model；
Fig. 3 is the schematic diagram of the section structure at the speed raising apparatus position of the utility model；
In figure, 1. shell, 2. air impeller shell, 3. air inlet, 4. exhaust outlet, 5. compressor housings, 6. compressed air
Export 7. line shaft, 8. rolling bearing, 9. exhaust driven gas turbine, 10. compressor impeller, 11. lubricant passageway, I 12. lubricant passageway
II 13. motor stator, 14. rotor, 15. sealing ring, I 16. change, 17. planetary gear, 18. bracket, 19. shaft I 20.
The outlet of I 24. traction fluid channel of sealing ring II 21. floating bearing, 22. shaft, II 23. traction fluid channel, II 25. traction fluid.
Specific embodiment
With reference to the accompanying drawing 1, attached drawing 2, attached drawing 3 are described further the utility model.
A kind of double dynamical and raising speed mode gas compressing equipment, comprising: shell 1, it is internal that there is cavity；Line shaft 7,
Through bearing rotational installation in the cavity of shell 1；Direct current generator is set in the cavity of shell 1, motor stator 13 and shell
1 inner wall is connected, rotor 14 and the coaxial fixed installation of line shaft 7；Air impeller shell 2 is installed on 1 one end of shell,
It is provided with air inlet 3 and exhaust outlet 4, and air inlet 3 is connected to the cathode exhaust gas channel of fuel cell；Exhaust driven gas turbine 9, is installed on
In air impeller shell 2, the flowing gas entered in air inlet 3 pushes exhaust driven gas turbine 9 to rotate, and exhaust driven gas turbine 9 and line shaft 7 are same
Axis connection；Compressor housings 5 are installed on 1 other end of shell, are provided with compressed air outlet 6, the compressed air outlet 6
It is connected to the cathode inlet channel of fuel cell；And compressor impeller 10, it is set in compressor housings 5, shaft I 19 is pacified
Loaded in compressor housings 5, I 19 one end of shaft and compressor impeller 10 are coaxially connected, and the other end is by raising speed mechanism and moves
Power axis 7 is connected, and raising speed mechanism makes the revolving speed of shaft I 19 greater than the revolving speed of line shaft 7.The cathode exhaust gas of fuel cell has one
Fixed pressure and energy is flowed into air impeller shell 2 by air inlet 3 and exhaust driven gas turbine 9 is pushed to rotate, meanwhile, direct current
Rotor 14 drives line shaft 7 to rotate after machine is powered, to make exhaust driven gas turbine 9 actively rotate, to make the yin of fuel cell
Pole exhaust is combined driving line shaft 7 with direct current generator and is rotated, and the driving energy of supercharging equipment institute actual consumption can be saved significantly on,
There is energy-saving effect.Meanwhile being significantly reduced power capacity, size and the cost of supercharging equipment motility device.Line shaft 7
Rotation is rotated by raising speed mechanism drive shaft I 19, so that compressor impeller 10 be made to rotate, compressor impeller 10 increases gas
The cathode inlet channel of fuel cell is pressed into after pressure by compressed air outlet 6.Due to passing through shaft I after raising speed mechanism raising speed
For 19 revolving speed much larger than line shaft 7,7 revolving speed of line shaft even can be only 1/10th magnitudes of shaft I 19.It avoids
Restriction of the high revolving speed of line shaft 7 to machinery brought by direct current generator and electrotechnical bottleneck reduces the support aspect of line shaft 7
Technical difficulty, improve reliability significantly and reduce cost.Relative to the high-revolving scheme of line shaft 7, this is double dynamical and rises
The slow-speed of revolution exhaust driven gas turbine 9 of fast mode gas compressing equipment is formed by back pressure resistance effect to tail gas and reduces significantly, is easy to
Meet condition required by tail gas discharge link.
As shown in Fig. 3, raising speed mechanism include the bracket 18 being installed on shell 1, with line shaft 7 it is coaxially connected in circle
The change 16 of annular and the along the circumferential direction circular N number of row for being set to I 19 periphery of shaft centered on the axis of shaft I 19
Star-wheel 17, planetary gear 17 are rotatablely installed by shaft II 22 on bracket 18, the axis of planetary gear 17 and the axis of shaft I 19
And the axis of line shaft 7 is parallel, the cylinder of the outboard end of planetary gear 17 is in contact with the circular inner wall of change 16, planetary gear 17
The cylinder of inner end be in contact with the outer end face of shaft I 19.Line shaft 7 drives change 16 to rotate, and change 16 utilizes when rotating
The each planetary gear 17 of frictional force drives rotates, and is rotated when each planetary gear 17 rotates by its drive shaft I 19 of frictional force, from
And compressor impeller 10 is rotated, since the perimeter of the circular hole of change 16 is greater than the perimeter of planetary gear 17, change 16 is driven
When planetary gear 17 rotates, the velocity of rotation of planetary gear 17 is greater than the velocity of rotation of change 16, and the outer diameter of planetary gear 17 is greater than and turns
The outer diameter of axis I 19, therefore when the rotation of 17 drive shaft I 19 of planetary gear, the velocity of rotation of planetary gear 17 is less than shaft I 19
Velocity of rotation.It is achieved that 2 grades of speedups are turned since the revolving speed of shaft I 19 is very high by change 16- planetary gear 17-
It is high-revolving to solve the problems, such as that conventional gears engagement speed increasing mechanism does not adapt to for the driving route of axis I 19.N can be 3, setting
3 planetary gears 17 are optimal selection.
It further, further include the lubricant passageway I 11 for being set to 1 upper end of shell and the profit for being set to 1 lower end of shell
Lubrication prescription channel II 12, the arrival end of lubricant passageway I 11 are connected with the outlet end of lubricating pump, and outlet end is set to bearing
Place, the arrival end of lubricant passageway II 12 are set at bearing, and outlet end is connected with the arrival end of lubricating pump.Lubricating pump will
Lubricant is pumped into lubricant passageway I 11, to be lubricated to bearing, the lubricant after lubrication passes through lubricant passageway II
12 flow back to lubricating pump, realize circulation.
Further, sealing ring I 15 is respectively arranged between the shell 1 and line shaft 7 of bearing two sides.Sealing ring I 15
The leakproofness to bearing is improved, lubricant is prevented to be flowed into shell 1.
It further, further include being set to the traction fluid channel I 23 calmed the anger on machine support 18 and being set to shaft I 19
In traction fluid channel II 24, the arrival end in traction fluid channel I 23 is connected with traction liquid pump, and one outlet end is towards planetary gear
17 cylinder location, another outlet end are connected with the arrival end in traction fluid channel II 24, the outlet in traction fluid channel II 24
End is set between the interface that shaft I 19 is in contact with planetary gear 17.It draws liquid pump and traction fluid is pumped into traction fluid channel I 23
In, traction fluid is flowed into the rotation connection region between shaft I 19 and compressor housings 5 from traction fluid channel II 24 and realizes profit
It is sliding, the lubrication realized to planetary gear 17 is flowed between shaft I 19 and planetary gear 17, is provided on shell 1 and flows back for traction fluid
Traction fluid outlet 25.Traction fluid is realized and is recycled by 25 discharge of traction fluid outlet.
Further, sealing ring II 20 is provided between bracket 18 and shaft I 19, sealing ring II 20 is located at raising speed machine
Between structure and compressor impeller 10.Sealing ring II 20 can prevent traction fluid to be flowed into compressor housings 5, improve sealing
Property.
Claims (9)
1. a kind of double dynamical and raising speed mode gas compressing equipment characterized by comprising
Shell (1), it is internal that there is cavity；
Line shaft (7), through bearing rotational installation in the cavity of shell (1)；
Direct current generator is set in the cavity of shell (1), and motor stator (13) is connected with the inner wall of shell (1), rotor
(14) with line shaft (7) it is coaxial be fixedly mounted；
Air impeller shell (2) is installed on shell (1) one end, is provided with air inlet (3) and exhaust outlet (4), the air inlet
(3) it is connected to the cathode exhaust gas channel of fuel cell；
Exhaust driven gas turbine (9) is installed in air impeller shell (2), and the flowing gas entered in air inlet (3) pushes exhaust driven gas turbine
(9) it rotates, exhaust driven gas turbine (9) and line shaft (7) are coaxially connected；
Compressor housings (5) are installed on shell (1) other end, are provided with compressed air outlet (6), and the compressed air goes out
Mouth (6) is connected to the cathode inlet channel of fuel cell；And
Compressor impeller (10) is set in compressor housings (5), and shaft I (19) is installed in compressor housings (5), shaft I
(19) one end and compressor impeller (10) are coaxially connected, and the other end is connected by raising speed mechanism with line shaft (7), raising speed mechanism
The revolving speed of shaft I (19) is set to be greater than the revolving speed of line shaft (7).
2. according to claim 1 double dynamical and raising speed mode gas compressing equipment, it is characterised in that: the bearing is rolling
Dynamic bearing (8).
3. according to claim 1 double dynamical and raising speed mode gas compressing equipment, it is characterised in that: the bearing is floating
Dynamic bearing (21).
4. according to claim 1 double dynamical and raising speed mode gas compressing equipment, it is characterised in that: the raising speed mechanism
Including be installed on shell (1) bracket (18), the change (16) in circular ring shape coaxially connected with line shaft (7) and with turn
Along the circumferential direction around the N number of planetary gear (17) for being set to shaft I (19) periphery, the planet centered on the axis of axis I (19)
(17) are taken turns to be rotatablely installed by shaft II (22) on bracket (18), the axis of planetary gear (17) and the axis of shaft I (19) and
The axis of line shaft (7) is parallel, and the cylinder of the outboard end of planetary gear (17) is in contact with the circular inner wall of change (16), planet
The cylinder for taking turns the inner end of (17) is in contact with the outer end face of shaft I (19).
5. as claimed in any of claims 1 to 4 double dynamical and raising speed mode gas compressing equipment, feature exist
In: it further include the lubricant passageway I (11) for being set to shell (1) upper end and the lubricant passageway for being set to shell (1) lower end
The arrival end of II (12), the lubricant passageway I (11) is connected with the outlet end of lubricating pump, and outlet end is set at bearing,
The arrival end of the lubricant passageway II (12) is set at bearing, and outlet end is connected with the arrival end of lubricating pump.
6. according to claim 5 double dynamical and raising speed mode gas compressing equipment, it is characterised in that: the shell of bearing two sides
Sealing ring I (15) is respectively arranged between body (1) and line shaft (7).
7. according to claim 4 double dynamical and raising speed mode gas compressing equipment, it is characterised in that: N 3.
8. according to claim 4 double dynamical and raising speed mode gas compressing equipment, it is characterised in that: further include being set to
It calms the anger the traction fluid channel I (23) on machine support (18) and the traction fluid channel II (24) that is set in shaft I (19), traction
The arrival end in liquid channel I (23) with traction liquid pump be connected, one outlet end towards planetary gear (17) cylinder location, it is another out
Mouthful end is connected with the arrival end in traction fluid channel II (24), the outlet end in traction fluid channel II (24) be set to shaft I (19) and
Between the interface that planetary gear (17) is in contact, the traction fluid outlet (25) for traction fluid reflux is provided on the shell (1).
9. according to claim 4 double dynamical and raising speed mode gas compressing equipment, it is characterised in that: bracket (18) with turn
Be provided with sealing ring II (20) between axis I (19), the sealing ring II (20) be located at raising speed mechanism and compressor impeller (10) it
Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920081280.1U CN209510669U (en) | 2019-01-18 | 2019-01-18 | A kind of double dynamical and raising speed mode gas compressing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920081280.1U CN209510669U (en) | 2019-01-18 | 2019-01-18 | A kind of double dynamical and raising speed mode gas compressing equipment |
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| CN209510669U true CN209510669U (en) | 2019-10-18 |
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| CN201920081280.1U Active CN209510669U (en) | 2019-01-18 | 2019-01-18 | A kind of double dynamical and raising speed mode gas compressing equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654040A (en) * | 2019-01-18 | 2019-04-19 | 孙军 | A kind of double dynamical and raising speed mode gas compressing equipment |
| CN112080306A (en) * | 2020-10-08 | 2020-12-15 | 杨松 | Operation method of waste tire pyrolysis exhaust gas turbocharging system |
-
2019
- 2019-01-18 CN CN201920081280.1U patent/CN209510669U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654040A (en) * | 2019-01-18 | 2019-04-19 | 孙军 | A kind of double dynamical and raising speed mode gas compressing equipment |
| CN109654040B (en) * | 2019-01-18 | 2024-04-30 | 孙军 | Dual-power and speed-raising type gas compression equipment |
| CN112080306A (en) * | 2020-10-08 | 2020-12-15 | 杨松 | Operation method of waste tire pyrolysis exhaust gas turbocharging system |
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