CN115506855A - Turbine of carbon dioxide power generation device - Google Patents
Turbine of carbon dioxide power generation device Download PDFInfo
- Publication number
- CN115506855A CN115506855A CN202211193597.7A CN202211193597A CN115506855A CN 115506855 A CN115506855 A CN 115506855A CN 202211193597 A CN202211193597 A CN 202211193597A CN 115506855 A CN115506855 A CN 115506855A
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- ring
- carbon dioxide
- turbine
- positioning clamp
- mounting
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
- F01D5/3007—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
- F01D5/3053—Fixing blades to rotors; Blade roots ; Blade spacers by means of pins
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
- F01D5/32—Locking, e.g. by final locking blades or keys
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
The invention relates to the technical field of carbon dioxide power generation, in particular to a turbine of a carbon dioxide power generation device, which comprises a turbine main disc, a rotating shaft and blades, wherein the turbine main disc is fixedly sleeved on the rotating shaft; the turbine main disc is provided with blades through the connection of the mounting assembly, and the mounting assembly is locked through the arranged locking assembly. According to the invention, the mounting assembly and the locking assembly are arranged on the turbine in the carbon dioxide power generation device, so that the blades can be quickly dismounted and mounted, the stability and mounting precision of the mounted blades are ensured, convenience is provided for cleaning and maintenance work of the blades in the later period, the working quality of the blades is ensured, and through the matched use of the mounting assembly and the locking assembly, the blades are dismounted, cleaned and maintained, the whole turbine main disc does not need to be dismounted from the rotating shaft, the workload is reduced, and the actual use requirements are met.
Description
Technical Field
The invention relates to the technical field of carbon dioxide power generation, in particular to a turbine of a carbon dioxide power generation device.
Background
Carbon dioxide power generation is a novel power generation technology, and after the first industrial revolution, the main utilization mode of heat energy is to convert the heat energy into mechanical energy through a power system so as to provide power for human activities; a supercritical carbon dioxide power generation system belongs to one of power systems, and carbon dioxide in a supercritical state is used as a working medium to convert heat of a heat source into mechanical energy.
For the existing chinese patent document with publication number CN208619185U and publication number 20190319, a double-shaft high-low pressure turbine supercritical carbon dioxide power generation system structure is disclosed, which mainly includes two types in terms of system structure for the current supercritical carbon dioxide power generation system: one type is coaxial and integrated, namely that a compressor, a motor and a turbine are on the same rotating shaft, the rotating speeds are the same, but the rotating speeds of the turbine and the compressor cannot be optimally matched due to the limited rotating speed of the motor, so that the efficiency is reduced, the two-axis system is longer, the strength requirement of the axis system is higher, the design difficulty is improved, and the starting current of the three systems is high when the three systems are started; the other is a split structure, a motor drives an air compressor, and a turbine drives a generator; the disadvantage is that compared with the coaxial system, when the same electric quantity is generated, the power of the generator needs to be larger to counteract the problem of the power of the motor for improvement and optimization; namely, the double-shaft high-low pressure turbine supercritical carbon dioxide power generation system structure is designed, so that the current during the system starting is reduced, and the system reliability is improved; meanwhile, the system efficiency is higher, the gas compressor and the high-pressure turbine are not limited by the rotating speed of the generator, and the gas compressor and the high-pressure turbine can be matched with the optimal rotating speed, so that the efficiency is improved; and by adopting a double-shaft design, the shaft length is shorter, and the design difficulty of a shaft system is reduced.
To using in the above-mentioned scheme to connect the setting in the pivot to the blade turbine, through the gaseous drive of its, turn into its kinetic energy electric energy, need change the blade under long-time use, wash and maintain, it sets up on the main disc usually to weld fixture for the blade, need wholly demolish it from the pivot when wasing and maintaining, the troublesome poeration, some is to fix the blade on the main disc through the joint, can dismantle the blade alone or wholly dismantle when washing and maintaining, but in the independent dismouting in-process of blade, can cause the influence to its installation accuracy and steadiness, and then influence its operating mass, need further improve and optimize.
To this end, the invention provides a turbine of a carbon dioxide power generation device for solving the problems.
Disclosure of Invention
The present invention is directed to a turbine for a carbon dioxide power generation device to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme: a turbine of a carbon dioxide power generation device comprises a turbine main disc, a rotating shaft and blades, wherein the turbine main disc is fixedly sleeved on the rotating shaft;
blades are connected and arranged on the turbine main disc through the mounting assembly, and the mounting assembly is locked through the arranged locking assembly, namely the blades ensure the mounting stability and the mounting quality through the arranged locking assembly;
the mounting assembly comprises a positioning clamp cavity, a positioning clamp body, a bearing ring sleeve, a threaded ring, a mounting ring, a rotating handle and a pressing ring;
the locking assembly comprises a mounting screw, a cylindrical knob, a thread groove, a tight supporting block, a transmission strip, a first connecting spring, an arc-shaped curved surface, an annular accommodating groove, a movable ring, an auxiliary ball, a second connecting spring, a limiting bump and a limiting sliding groove.
Preferably, the two main turbine discs are arranged on the rotating shaft, are different in size and are identical in structural connection.
Preferably, locator card chamber equidistance sets up the avris position at the turbine master, and the looks adaptation joint is provided with the locator card body in the locator card chamber, the fixed setting of locator card body equidistance is on bearing ring cover inside wall, and the lateral wall equidistance fixed connection of bearing ring cover is provided with the blade, the screw ring is fixed to be set up on the turbine master, and screw ring looks adaptation threaded connection is provided with the collar, the fixed rotatory handle that is provided with of one end equidistance of collar, the fixed clamping ring that is provided with of lateral wall of the other end of collar.
Preferably, the positioning card body corresponds to the positioning card cavity in arrangement position and has the same arrangement group number.
Preferably, after the positioning clamp body is clamped into the positioning clamp cavity, the mounting ring is in threaded connection with the threaded ring, so that the pressing ring on the outer side wall of the end part of the mounting ring presses the positioning clamp body tightly.
Preferably, the fixed cylindricality knob that is provided with of one end of installation screw, and installation screw and thread groove looks adaptation threaded connection, inseparable kicking block symmetry activity sets up in the locator card body, and the one end of inseparable kicking block sets up to the avris position of the locator card body, and the fixed transmission strip that is provided with of one end of inseparable kicking block, and inseparable kicking block is fixed with the fixed first connecting spring that is provided with of transmission strip phase connection, and the fixed setting in the locator card body of first connecting spring other end, the one end of transmission strip extends to in the thread groove, and the tip of transmission strip is provided with the arc curved surface, the groove setting is accomodate in the cylindricality knob to the annular, and the avris symmetry in groove is provided with spacing spout, and the activity is accomodate the groove to the annular is provided with the loose ring, the one end of loose ring extends to the cylindricality knob outside, and the tip equidistance activity scarf joint of loose ring is provided with supplementary ball, and the fixed second connecting spring that is provided with of other end equidistance of loose ring, and the one end of second connecting spring is fixed to be set up in the groove is accomodate in the annular, spacing symmetrical lug is fixed in the lateral wall of loose ring, the fixed the lateral wall that sets up in spacing spout.
Preferably, the movable ring is corresponding with the setting position of clamping ring, when the clamping ring extrudees the locator card body promptly, the movable ring also can compress tightly the clamping ring after screwing the mounting screw for the mounting ring chucking.
Preferably, the compact supporting blocks correspond to the transmission bars in arrangement positions and are arranged in the same number, and two groups of the compact supporting blocks and the transmission bars are arranged in the positioning clamp body.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the mounting assembly and the locking assembly are arranged on the turbine in the carbon dioxide power generation device, so that the blades can be quickly disassembled and assembled, the stability and the mounting precision of the installed blades are ensured, convenience is provided for the cleaning and maintenance work of the blades in the later period, the working quality of the blades is ensured, and through the matched use of the mounting assembly and the locking assembly, the blades are disassembled, cleaned and maintained, the whole main disc of the turbine does not need to be disassembled from the rotating shaft, the workload is reduced, and the actual use requirements are met.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged, fragmentary view of the structural joint of FIG. 1 in accordance with the present invention;
FIG. 3 is a schematic illustration of the exploded left side of the turbine structure connection of the present invention;
FIG. 4 is an enlarged, fragmentary view of the structural joint of FIG. 3 in accordance with the present invention;
FIG. 5 is a schematic illustration of the exploded right side of the turbine structure attachment of the present invention;
FIG. 6 is a schematic view of the structural connection of the vanes with the bearing ring and the locking assembly of the present invention;
FIG. 7 is a top plan view, partially in section, of the structural connection of the locking assembly in the body of the locator card of the present invention;
FIG. 8 is an enlarged, fragmentary view of the structural joint of FIG. 7 in accordance with the present invention;
FIG. 9 is a bottom view, partially in section, of the structural attachment of the locking assembly in the alignment clip body of the present invention;
fig. 10 is a partially enlarged view of the structural connection of fig. 9 according to the present invention.
In the figure: the device comprises a main turbine disc 1, a rotating shaft 2, blades 3, a mounting assembly 4, a positioning clamp cavity 401, a positioning clamp body 402, a bearing ring sleeve 403, a threaded ring 404, a mounting ring 405, a rotating handle 406, a pressing ring 407, a locking assembly 5, a mounting screw 501, a cylindrical knob 502, a threaded groove 503, a tight supporting block 504, a driving strip 505, a first connecting spring 506, an arc curved surface 507, an annular accommodating groove 508, a movable ring 509, auxiliary balls 510, a second connecting spring 511, a limiting lug 512 and a limiting sliding groove 513.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below. The embodiments of the present invention, and all other embodiments obtained by a person of ordinary skill in the art without any inventive work, belong to the scope of protection of the present invention.
Referring to fig. 1 to 10, the present invention provides a technical solution: the utility model provides a carbon dioxide power generation facility turbine, includes turbine master 1, pivot 2 and blade 3, and fixed the cup jointing is provided with turbine master 1 in the pivot 2.
Wherein, connect through installation component 4 on the turbine main disc 1 and be provided with blade 3, and installation component 4 locks through the locking Assembly 5 that sets up, and its installation stability and installation quality are guaranteed through the locking Assembly 5 that sets up to blade 3 promptly.
The mounting assembly 4 comprises a positioning clamp cavity 401, a positioning clamp body 402, a bearing ring sleeve 403, a threaded ring 404, a mounting ring 405, a rotating handle 406 and a pressing ring 407.
The locking assembly 5 comprises a mounting screw 501, a cylindrical knob 502, a threaded groove 503, a tight supporting block 504, a driving bar 505, a first connecting spring 506, an arc-shaped curved surface 507, an annular accommodating groove 508, a movable ring 509, an auxiliary ball 510, a second connecting spring 511, a limit projection 512 and a limit sliding groove 513.
Specifically, two turbine main disks 1 are arranged on a rotating shaft 2, and the two turbine main disks are different in size and are identical in structural connection; the positioning clamp cavities 401 are equidistantly arranged at the side position of the turbine main disc 1, the positioning clamp bodies 402 are arranged in the positioning clamp cavities 401 in a matched and clamped mode, the positioning clamp bodies 402 are equidistantly and fixedly arranged on the inner side wall of the bearing ring sleeve 403, blades 3 are fixedly connected to the outer side wall of the bearing ring sleeve 403 at equal intervals, the threaded ring 404 is fixedly arranged on the turbine main disc 1, the threaded ring 404 is matched and in threaded connection with the mounting ring 405, the rotating handle 406 is fixedly arranged at one end of the mounting ring 405 at equal intervals, and the pressing ring 407 is fixedly arranged on the outer side wall of the other end of the mounting ring 405; the positioning card body 402 corresponds to the positioning card cavity 401 in arrangement position and has the same arrangement number; after the positioning card body 402 is clamped into the positioning card cavity 401, the mounting ring 405 is connected with the threaded ring 404 through the threads, so that the pressing ring 407 on the outer side wall of the end part of the mounting ring 405 presses the positioning card body 402 tightly.
Specifically, one end of the mounting screw 501 is fixedly provided with a cylindrical knob 502, the mounting screw 501 is in adaptive threaded connection with a threaded groove 503, a tight supporting block 504 is symmetrically and movably arranged in a positioning clamp body 402, one end of the tight supporting block 504 is arranged at the side position of the positioning clamp body 402, one end of the tight supporting block 504 is fixedly provided with a transmission bar 505, the tight supporting block 504 is fixedly provided with a first connecting spring 506 at the side end connected with the transmission bar 505, the other end of the first connecting spring 506 is fixedly arranged in the positioning clamp body 402, one end of the transmission bar 505 extends into the threaded groove 503, the end of the transmission bar 505 is provided with an arc-shaped curved surface 507, an annular accommodating groove 508 is arranged in the cylindrical knob 502, the side of the annular accommodating groove 508 is symmetrically provided with a limit sliding groove 513, a movable ring 509 is movably arranged in the annular accommodating groove 508, one end of the movable ring 509 extends to the outer side of the cylindrical knob 502, the end of the movable ring 509 is movably embedded with auxiliary balls 510 at equal intervals, the other end 511 of the movable ring 509 is fixedly provided with a second connecting spring at equal intervals, one end of the second connecting spring is fixedly arranged in the annular accommodating groove 508, the movable ring 509 is arranged in the outer side wall of the movable ring 512, the limit sliding groove 512, and the limit protrusion 512 is arranged in the limit protrusion 512; the movable ring 509 corresponds to the position of the pressing ring 407, that is, when the pressing ring 407 extrudes the positioning clamp body 402, the movable ring 509 also compresses the pressing ring 407 after the mounting screw 501 is screwed, so that the mounting ring 405 is clamped; the tight supporting blocks 504 correspond to the driving bars 505 and are provided in the same number of sets, and two sets are provided in the positioning card body 402.
According to the invention, the mounting component 4 and the locking component 5 are arranged on the turbine in the carbon dioxide power generation device, so that the blade 3 can be quickly disassembled and assembled, and the stability and mounting precision of the installed blade 3 are ensured, thereby facilitating the cleaning and maintenance work of the blade 3 in the later period; for the installation work of the blade 3, firstly, the positioning clamp body 402 is clamped in the positioning clamp cavity 401 on the turbine main disc 1, meanwhile, the bearing ring sleeve 403 is tightly attached to and sleeved on the turbine main disc 1, then, the installation ring 405 is in threaded connection with the threaded ring 404, the installation ring 405 is screwed by rotating the handle 406, so that the pressing ring 407 on the side wall of the bottom end of the installation ring 405 compresses the positioning clamp body 402, and finally, the installation ring 405 and the positioning clamp body 402 are locked by the locking component 5; rotating cylindricality knob 502 promptly makes installation screw 501 enter into thread groove 503 in, and the one end of installation screw 501 extrudees the arc curved surface 507 of drive link 505 one end, meanwhile, the activity ring 509 of setting in cylindricality knob 502 extrudees clamping ring 407, until compressing tightly clamping ring 407 can, and installation screw 501 extrudees drive link 505 this moment, make drive link 505 promote inseparable kicking block 504 and extrude the inside wall in locator card chamber 401, improve the compactness and the fastness of locator card body 402 and locator card chamber 401 joint.
When the dismounting maintenance work is carried out, the whole turbine main disc 1 does not need to be dismounted from the rotating shaft 2, the mounting screws 501 only need to be unscrewed through the cylindrical knobs 502, the extrusion on the transmission bars 505 is relieved, the extrusion on the pressing rings 407 by the movable rings 509 is also relieved, then the mounting rings 405 are unscrewed, the positioning clamp bodies 402 are separated from the positioning clamp cavities 401, the dismounting work on the blades 3 can be finished, and the operation is simple.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A turbine of a carbon dioxide power generation device comprises a turbine main disc (1), a rotating shaft (2) and blades (3), wherein the turbine main disc (1) is fixedly sleeved on the rotating shaft (2); the method is characterized in that:
blades (3) are connected and arranged on the turbine main disc (1) through a mounting assembly (4), and the mounting assembly (4) is locked through a locking assembly (5);
the mounting assembly (4) comprises a positioning clamp cavity (401), a positioning clamp body (402), a bearing ring sleeve (403), a threaded ring (404), a mounting ring (405), a rotating handle (406) and a pressing ring (407);
the locking component (5) comprises a mounting screw (501), a cylindrical knob (502), a thread groove (503), a tight supporting block (504), a transmission strip (505), a first connecting spring (506), an arc-shaped curved surface (507), an annular accommodating groove (508), a movable ring (509), an auxiliary ball (510), a second connecting spring (511), a limiting convex block (512) and a limiting sliding groove (513).
2. A carbon dioxide power plant turbine according to claim 1, characterized in that: two turbine main disks (1) are arranged on the rotating shaft (2), the two turbine main disks are different in size, and the structural connection is the same.
3. A carbon dioxide power plant turbine according to claim 1, characterized in that: the utility model discloses a turbine main disc, including fixing clip, bearing ring cover (403), setting clip chamber (401) equidistance, the avris position of fixing clip chamber (401) equidistance setting in turbine main disc (1), and well adaptation joint is provided with the fixing clip body (402) in fixing clip chamber (401), the fixed setting of fixing clip body (402) equidistance is on bearing ring cover (403) inside wall, and the lateral wall equidistance fixed connection that bears ring cover (403) is provided with blade (3), threaded ring (404) are fixed to be set up on turbine main disc (1), and threaded ring (404) looks adaptation threaded connection is provided with collar (405), the one end equidistance of collar (405) is fixed to be provided with and rotates handle (406), and the lateral wall of the other end of collar (405) is fixed to be provided with clamping ring (407).
4. A carbon dioxide power plant turbine according to claim 3, characterized in that: the positioning card body (402) corresponds to the positioning card cavity (401) in arrangement position and has the same arrangement number.
5. A carbon dioxide power plant turbine according to claim 3, characterized in that: after the positioning clamp body (402) is clamped into the positioning clamp cavity (401), the mounting ring (405) is in threaded connection with the threaded ring (404), so that the pressing ring (407) on the outer side wall of the end part of the mounting ring (405) compresses the positioning clamp body (402).
6. A carbon dioxide power plant turbine according to claim 1, characterized in that: the installation screw is characterized in that a cylindrical knob (502) is fixedly arranged at one end of the installation screw (501), the installation screw (501) is in matched threaded connection with a threaded groove (503), a tight supporting block (504) is symmetrically and movably arranged in a positioning clamp body (402), one end of the tight supporting block (504) is arranged at the side position of the positioning clamp body (402), a transmission strip (505) is fixedly arranged at one end of the tight supporting block (504), a first connecting spring (506) is fixedly arranged at the connecting end of the tight supporting block (504) and the transmission strip (505), the other end of the first connecting spring (506) is fixedly arranged in the positioning clamp body (402), one end of the transmission strip (505) extends into the threaded groove (503), an arc-shaped curved surface (507) is arranged at the end part of the transmission strip (505), an annular accommodating groove (508) is arranged in the cylindrical knob (502), a limiting sliding groove (513) is symmetrically arranged at the side of the annular accommodating groove (508), a movable ring (509) is movably arranged in the annular accommodating groove (508), a movable ring (509) extends to the outer side of the cylindrical knob (509), a second movable ring (511) is fixedly connected with a second movable ring (511) at the other end part of the equidistant spring (508), the limiting convex blocks (512) are symmetrically and fixedly arranged on the outer side wall of the movable ring (509), and the limiting convex blocks (512) are movably arranged in the limiting sliding grooves (513).
7. A carbon dioxide power plant turbine according to claim 6, characterized in that: the movable ring (509) is corresponding to the setting position of the pressing ring (407), namely when the pressing ring (407) extrudes the positioning clamp body (402), the movable ring (509) can compress the pressing ring (407) after screwing the mounting screw (501), so that the mounting ring (405) is clamped.
8. A carbon dioxide power plant turbine according to claim 6, characterized in that: the compact supporting blocks (504) correspond to the transmission bars (505) in arrangement position and are arranged in the same number of groups, and two groups of the compact supporting blocks and the transmission bars are arranged in the positioning clamp body (402).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211193597.7A CN115506855B (en) | 2022-09-28 | 2022-09-28 | Turbine of carbon dioxide power generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211193597.7A CN115506855B (en) | 2022-09-28 | 2022-09-28 | Turbine of carbon dioxide power generation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115506855A true CN115506855A (en) | 2022-12-23 |
| CN115506855B CN115506855B (en) | 2023-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211193597.7A Active CN115506855B (en) | 2022-09-28 | 2022-09-28 | Turbine of carbon dioxide power generation device |
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| CN (1) | CN115506855B (en) |
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| US20210017867A1 (en) * | 2019-07-19 | 2021-01-21 | Rolls-Royce Plc | Turbine section of a gas turbine engine with ceramic matrix composite vanes |
| CN216043892U (en) * | 2021-08-25 | 2022-03-15 | 浙江华燃动力科技股份有限公司 | Novel high-pressure turbine |
| WO2022105214A1 (en) * | 2020-11-18 | 2022-05-27 | 至玥腾风科技集团有限公司 | Dual-shaft power generation gas turbine |
| CN114562336A (en) * | 2022-04-02 | 2022-05-31 | 马鞍山方圆动力科技有限公司 | Impeller with front edge being of drop-shaped curve section for turbocharger |
| CN217354810U (en) * | 2022-04-14 | 2022-09-02 | 安徽泰臻真空科技有限公司 | Ultrahigh vacuum molecular pump |
| CN115013356A (en) * | 2022-06-02 | 2022-09-06 | 绍兴市百润通风设备有限公司 | Centrifugal impeller capable of automatically stabilizing air quantity and fan thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009009130A1 (en) * | 2009-02-17 | 2010-08-19 | Bosch Mahle Turbo Systems Gmbh & Co. Kg | Turbocharger for use as supercharger of combustion engine of motor vehicle, has heat flow throttle arrangements provided between carrier ring and push-action spring mechanism that comprises compression springs |
| CN207609472U (en) * | 2017-10-30 | 2018-07-13 | 福建易工专用汽车制造有限公司 | It is a kind of can blade dismounting turbocharger |
| CN110318812A (en) * | 2019-07-18 | 2019-10-11 | 北京动力机械研究所 | A kind of radial turbine electricity generation system gas lubrication ceramic rotor and its manufacturing method |
| US20210017867A1 (en) * | 2019-07-19 | 2021-01-21 | Rolls-Royce Plc | Turbine section of a gas turbine engine with ceramic matrix composite vanes |
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| CN216043892U (en) * | 2021-08-25 | 2022-03-15 | 浙江华燃动力科技股份有限公司 | Novel high-pressure turbine |
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| CN217354810U (en) * | 2022-04-14 | 2022-09-02 | 安徽泰臻真空科技有限公司 | Ultrahigh vacuum molecular pump |
| CN115013356A (en) * | 2022-06-02 | 2022-09-06 | 绍兴市百润通风设备有限公司 | Centrifugal impeller capable of automatically stabilizing air quantity and fan thereof |
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|---|---|
| CN115506855B (en) | 2023-06-20 |
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