CN112112689B - ORC waste heat power generation turbo expander and high-speed motor matching structure - Google Patents
ORC waste heat power generation turbo expander and high-speed motor matching structure Download PDFInfo
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- CN112112689B CN112112689B CN202011000786.9A CN202011000786A CN112112689B CN 112112689 B CN112112689 B CN 112112689B CN 202011000786 A CN202011000786 A CN 202011000786A CN 112112689 B CN112112689 B CN 112112689B
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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
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
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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
- F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
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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
- F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
- F01D11/003—Preventing or minimising internal leakage of working-fluid, e.g. between stages by packing rings; Mechanical seals
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
- H02K7/1823—Rotary generators structurally associated with turbines or similar engines
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Abstract
An ORC waste heat power generation turboexpander and high-speed motor matching structure comprises a volute, wherein a nozzle flow adjusting plate is arranged on one side of a volute bottom plate, an air outlet ring is matched with the left side of the volute, the left end of a sealing sleeve stretches into the right end and the right end of an air outlet pipe of the air outlet ring to be matched with the left end of a nozzle pressing plate, the right end of the nozzle pressing plate is fixed with the left side of the nozzle flow adjusting plate, and an air duct is arranged between the right side surface of the nozzle pressing plate and the left side surface of the nozzle flow adjusting plate; the left end of the impeller extends into a nozzle pressing plate cavity of the nozzle pressing plate, the middle part of the impeller corresponds to the air channel, and the right end of the impeller corresponds to an adjusting plate cavity of the nozzle flow adjusting plate; the high-speed motor comprises a motor shell, a stator, a rotor and a transition connecting sleeve, wherein the transition connecting sleeve is provided with a transition connecting sleeve cavity, the left end of the rotor extends to the left side of the transition connecting sleeve and is connected with an impeller, the left end of the rotor is supported in the transition connecting sleeve cavity, and a dry gas sealing mechanism is arranged between the left shaft head of the rotor and the left side of a rotor supporting bearing. The mechanical loss and the leakage point of the process gas are reduced, and the structure is simple.
Description
Technical Field
The invention belongs to the technical field of turboexpanders, and particularly relates to a matching structure of an ORC waste heat power generation turboexpander and a high-speed motor.
Background
The ORC system is an important device for power generation by energy recovery of waste heat and exhaust gas, engine waste heat recovery and utilization, differential pressure type energy recovery and reuse, natural gas liquefaction and gasification energy recovery and reuse, and gas co-generation waste heat comprehensive utilization. Currently, there are two types of generator heads for ORC systems: one is a screw type; the second is a turbine type. The screw type is also called piston type, namely piston type expansion machine, because it is restricted by small power generation (below 200 KW), it can not produce large power generation, so it is not heavy for people, the turbine type is also called turbine centrifugal type, namely it is used to called turbine expansion machine, it can produce large power (200 KW) but need to cooperate with generator, the rotating speed of centrifugal turbine structure is reduced to generator rotating speed by a gear box to meet the requirement of power generation. However, the use of a gearbox to slow down, i.e., slow down, results in an ORC head that is bulky, complex and adds mechanical losses, as well as increased leakage points for the ORC process gas, i.e., increased leakage of the ORC working fluid.
In recent years, the technology of high-speed motors (capable of regulating speed according to requirements) in China has great progress, and the high-speed motors have good advantages in structural stability, working reliability and price rationality, so that if the high-speed motors are combined with an ORC centrifugal turbo expander to be applied to power generation, the mechanical loss can be reduced, the leakage points of process gas can be obviously reduced, and the requirements of improving the overall power generation quantity of an ORC system and detecting and supplementing the leakage of the process gas can be met. However, the technical contents of the good coupling of the high-speed motor and the ORC cogeneration turboexpander are not available in the patent and non-patent documents published so far, and the technical solutions to be described below are generated in this context.
Disclosure of Invention
The invention aims to provide a matching structure of an ORC waste heat power generation turboexpander and a high-speed motor, which is beneficial to reducing mechanical loss, reducing leakage points of process gas and reflecting the concise effect of the whole structure.
The task of the invention is completed in such a way that an ORC waste heat power generation turbo expander and a high-speed motor are matched, the ORC waste heat power generation turbo expander comprises a volute, a nozzle flow adjusting plate is arranged at the central position of one side of a volute bottom plate of the volute, which faces a volute cavity, an adjusting plate matching seat is formed at the central position of the right side of the nozzle flow adjusting plate, the adjusting plate matching seat is matched with a central hole of the volute bottom plate on the volute bottom plate in an embedding manner, a heat insulating plate is arranged between the right side surface of the nozzle flow adjusting plate and the left side surface of the volute bottom plate, the heat insulating plate central hole of the heat insulating plate is sleeved on the adjusting plate matching seat, an air outlet ring is hermetically matched with the left side of the volute, an air outlet ring air outlet pipe is formed at the central position of the air outlet ring, the right end of the air outlet pipe of the air outlet ring extends into, the left end of the sealing sleeve extends into the right end of the gas outlet pipe of the gas outlet ring, a seal is formed between the outer wall of the sealing sleeve and the wall of the gas outlet pipe cavity of the gas outlet ring, the right end of the sealing sleeve is in seal fit with the left end of the nozzle pressing plate, the right end of the nozzle pressing plate is fixed with the left side of the nozzle flow adjusting plate, and a vent channel for leading high-pressure gas entering the volute cavity into the gas outlet pipe cavity of the gas outlet ring and leading the high-pressure gas out of the gas outlet pipe cavity in a low-pressure gas mode is formed between the right side surface of the nozzle pressing plate and the left side surface of the nozzle flow adjusting plate; the left end of the impeller extends into a nozzle pressing plate cavity of the nozzle pressing plate, the middle part of the impeller corresponds to the air channel, and the right end of the impeller corresponds to an adjusting plate cavity in the central position of the nozzle flow adjusting plate; the high-speed motor comprises a motor shell, a stator arranged in the motor shell, and a rotor, wherein the middle of the rotor corresponds to the central position of the stator, the left end of the rotor extends out of a left end cover of the motor shell, and the right end of the rotor is rotatably supported on a right end cover of the motor shell And (5) forming.
In a specific embodiment of the invention, the left side of the nozzle flow adjusting plate and the position corresponding to the air passage are provided with air flow size adjusting nozzles at intervals around the periphery of the nozzle flow adjusting plate, the left side of the middle part of the nozzle flow adjusting plate is provided with a back plate fixing cavity, and a back plate which is used for shielding the left cavity opening of the adjusting plate cavity and is sleeved at the right end of the impeller in a hollow way is fixed in the back plate fixing cavity through a back plate fixing screw.
In another specific embodiment of the present invention, a left transitional connecting sleeve flange is formed at the left end of the transitional connecting sleeve, and a right transitional connecting sleeve flange is formed at the right end of the transitional connecting sleeve, the left transitional connecting sleeve flange is fixed to the right side of the casing bottom plate of the volute casing by a left flange screw, and the right transitional connecting sleeve flange is fixed to the left end cover of the motor casing by a right flange screw.
In another specific embodiment of the invention, a left end cover cavity shielding disc for shielding a left end cover cavity of the left end cover is arranged on the left side of the left end cover of the motor shell, the peripheral edge part of the left end cover cavity shielding disc is fixed with the right end face of the transitional connecting sleeve through a shielding disc fixing screw, and the central position of the left end cover cavity shielding disc is sleeved on the rotor through a rotor abdicating hole.
In another specific embodiment of the present invention, the dry gas sealing mechanism includes a shaft sleeve, a movable ring, a spring seat, a pressing sleeve, a spring, a pressing ring, a spring seat fixing seat and a carbon ring sealing member, the shaft sleeve is fixed at the left end of the rotor left spindle nose of the rotor and is located at the left side of the rotor supporting bearing, the left end of the shaft sleeve extends to the regulating plate cavity and is bordered by the right end face of the impeller, the movable ring is sleeved on the shaft sleeve and is fixed with the shaft sleeve, the pressing sleeve is located at the right end of the shaft sleeve, the middle of the pressing sleeve is sleeved on the rotor left spindle nose, the inner wall of the left end is matched with the outer wall of the right end of the shaft sleeve, the left end face of the pressing sleeve corresponds to the right end face of the movable ring, a pressing sleeve flange is formed around the pressing sleeve on the outer wall of the middle of the pressing sleeve, the pressing sleeve flange is fixed with the right end face of the shaft sleeve by a pressing sleeve flange screw, a compressing sleeve space is kept between the inner wall of the right end of the compressing sleeve and the outer wall of the left spindle head of the rotor, a mixed gas vent groove is formed between the outer wall of the compressing sleeve and the inner wall of the spring seat, an isolating gas vent groove is formed on the outer wall of the compressing sleeve at a position corresponding to a first carbon ring sealing element cavity I of the carbon ring sealing element, the isolating gas vent groove is communicated with the mixed gas vent groove through a gap between the inner wall of the carbon ring sealing element and the outer wall of the compressing sleeve, the spring seat is sleeved outside the compressing sleeve at a position corresponding to the mixed gas vent groove in an empty mode, a moving ring cavity is formed on one side, facing the moving ring, of the spring seat, a second carbon ring sealing element cavity II is formed on one side, facing the carbon ring sealing element, a spring seat fixing flange extends around the periphery of the outer wall on the outer wall of the spring seat, and the spring seat fixing flange is fixed with the spring seat fixing seat through a spring seat fixing flange screw, a spring seat sealing dry gas introducing hole and a spring seat mixed gas introducing hole are further formed in the middle of the spring seat, the spring seat sealing dry gas introducing hole is communicated with the first carbon ring sealing member cavity I, the spring seat mixed gas introducing hole is communicated with the mixed gas vent groove, the moving ring is arranged in the moving ring cavity at a position corresponding to the right side of the moving ring and is movably matched with the spring seat, a moving ring sealing dry gas passing gap is formed between the left side surface of the moving ring and the right side surface of the moving ring, the moving ring sealing dry gas is communicated with the mixed gas vent groove through the gap, the pressing ring is arranged in the moving ring cavity at a position corresponding to the right side of the moving ring, the left side surface of the pressing ring is attached to and contacted with the right side surface of the moving ring, the spring is provided with a group distributed around the circumferential direction of the pressing ring at intervals, one end of the spring is supported on the right side of the pressing ring, the other end of the spring seat fixing seat is supported on the cavity wall of the movable ring cavity, the spring seat fixing seat is matched with the transitional connecting sleeve cavity of the transitional connecting sleeve and is fixed with the transitional connecting sleeve by a spring seat fixing seat screw, a fixing seat sealing dry gas leading-in hole and a fixing seat mixed gas leading-out hole are formed in the spring seat fixing seat, the fixing seat sealing dry gas leading-in hole is communicated with a transitional connecting sleeve sealing dry gas leading-in hole formed in the transitional connecting sleeve and is also communicated with the spring seat sealing dry gas leading-in hole, a fixing seat mixed gas leading-out hole is communicated with a transitional connecting sleeve mixed gas leading-out hole formed in the transitional connecting sleeve and is also communicated with the spring seat mixed gas leading-out hole, a carbon ring sealing element is sleeved at the right end of the compression sleeve at a position corresponding to the second carbon ring sealing element cavity II, and a micro gap is formed between the inner wall of the carbon ring sealing element and the outer wall of the compression sleeve, and a carbon ring sealing baffle disc is arranged on the right side of the second carbon ring sealing cavity II and at a position corresponding to the right side of the carbon ring sealing element, and the carbon ring sealing baffle disc is fixed with the right side of the spring seat.
In a further specific embodiment of the present invention, a movable ring fixing flange is formed on the outer wall of the shaft sleeve and around the circumference of the shaft sleeve, and the movable ring is fixed with the movable ring fixing flange through a movable ring fixing screw; and a moving ring sealing ring groove is formed in the right side surface of the moving ring fixing flange plate and also surrounds the moving ring fixing flange plate, a moving ring sealing ring is embedded in the moving ring sealing ring groove, and the left side surface of the moving ring is in sealing contact with the moving ring sealing ring.
In a more specific embodiment of the present invention, a moving ring left-right moving guide post is disposed on a left cavity wall of a moving ring cavity of the spring seat, a moving ring limit stopper is fixed on a top wall of the moving ring cavity at a position corresponding to a distal end of the moving ring left-right moving guide post, a moving ring guide flange plate extends on an outer wall of the moving ring and around a circumferential direction of the moving ring, a moving ring guide flange plate guide post hole is disposed on the moving ring guide flange plate at a position corresponding to the moving ring left-right moving guide post, the moving ring guide flange plate guide post hole is in sliding fit with the moving ring left-right moving guide post, and the moving ring limit stopper corresponds to a right side of the moving ring guide flange plate.
In a further specific embodiment of the present invention, a sleeve sealing ring is embedded on the inner wall of the sleeve, the sleeve sealing ring forms a seal with the outer wall of the rotor left shaft head, a pressure ring sealing ring is arranged between the pressure ring and the cavity bottom wall of the moving ring cavity, and the pressure ring sealing ring is also in contact with the right side surface of the moving ring; a first spring seat sealing ring I, a second spring seat sealing ring II and a third spring seat sealing ring III are embedded in the outer wall of the spring seat and at the position matched with the inner wall of the spring seat fixing seat, the periphery of the joint part of the dry gas guide hole of the fixing seat and the dry gas guide hole of the spring seat is sealed by the first spring seat sealing ring I and the second spring seat sealing ring II together, and the periphery of the joint part of the mixed gas guide hole of the fixing seat and the mixed gas guide hole of the spring seat is sealed by the second spring seat sealing ring II and the third spring seat sealing ring III together; a baffle disc sealing ring seat is formed on the left side of the baffle disc of the carbon ring sealing element, a baffle disc sealing ring is embedded in the baffle disc sealing ring seat, and the baffle disc sealing ring and the spring seat form sealing; and a sealing air inlet hole is formed in the transition connecting sleeve and at the position corresponding to the left side of the mixed air outlet hole of the transition connecting sleeve, the sealing air inlet hole is communicated with the adjusting plate cavity, and the adjusting plate cavity is communicated with the sealing dry air of the moving ring through a gap.
In yet a more specific embodiment of the present invention, the sealing dry gas is dry air or nitrogen; the mixed gas is the mixed gas of R134a and dry air or the mixed gas of R134a and nitrogen.
In a further embodiment of the present invention, a lubricant introduction hole for introducing lubricant to the rotor support bearing is provided on the intermediate connection sleeve at a position on the right side of the dry air inlet hole of the intermediate connection sleeve, and corresponds to the upper side of the rotor support bearing.
The technical scheme provided by the invention has the technical effects that: the high-speed motor is creatively adopted, the right side surface of the volute bottom plate of the volute of the structural system of the turboexpander is connected with the left side surface of the left end cover of the structural system of the high-speed motor through the transition connecting sleeve, the left end of the rotor is fixedly connected with the impeller of the turboexpander through the transition connecting sleeve cavity of the transition connecting sleeve, and the dry gas sealing mechanism is arranged on the rotor left shaft head of the rotor positioned in the transition connecting sleeve cavity and at the position corresponding to the position between the volute bottom plate and the rotor supporting bearing, so that the mechanical loss and the leakage point of process gas are reduced, and the simplification effect of the whole structure is reflected.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention.
Fig. 2 is a detailed configuration diagram of the dry gas sealing mechanism shown in fig. 1.
Detailed Description
In order to clearly understand the technical spirit and the advantages of the present invention, the applicant below describes in detail by way of example, but the description of the example is not intended to limit the technical scope of the present invention, and any equivalent changes made according to the present inventive concept, which are merely in form and not in material, should be considered as the technical scope of the present invention.
In the following description, all the concepts related to the directions or orientations of up, down, left, right, front and rear are based on the position state of fig. 1 and 2, and thus, it should not be understood as a particular limitation to the technical solution provided by the present invention.
Referring to fig. 1, the following components of the structural system of the ORC cogeneration turboexpander are shown: a volute 1, a nozzle flow adjusting plate 13 is arranged at the central position of one side, namely the left side, of a volute bottom plate 11 of the volute 1 facing a volute cavity 12, an adjusting plate matching seat 131 is formed at the central position of the right side of the nozzle flow adjusting plate 13, the adjusting plate matching seat 131 is matched with a volute bottom plate central hole 111 on the volute bottom plate 11 in a matching manner, a heat insulation plate 14 is arranged between the right side surface of the nozzle flow adjusting plate 13 and the left side surface of the volute bottom plate 11, a heat insulation plate central hole 141 at the central position of the heat insulation plate 14 is sleeved on the adjusting plate matching seat 131, an air outlet ring 2 is in sealing fit with the left side of the volute 1, an air outlet ring air outlet pipe 21 is formed at the central position of the air outlet ring 2, the right end of the air outlet ring air outlet pipe 21 extends into the volute cavity 12, a sealing sleeve 3a and a nozzle pressing plate 3b are arranged, the left end of the sealing sleeve 3a stretches into the right end of the air outlet ring air outlet pipe 21 A labyrinth seal is formed between the cavity walls of the cavity 211, the right end of the seal sleeve 3a is in seal fit with the left end of the nozzle pressure plate 3b, the right end of the nozzle pressure plate 3b is fixed with the left side of the nozzle flow adjusting plate 13, and an air channel 3c for leading high-pressure air entering the volute cavity 12 into an air outlet cavity 211 of the air outlet ring air outlet pipe 21 and leading the air out from the air outlet cavity 211 in a low-pressure air mode is formed between the right side surface of the nozzle pressure plate 3b and the left side surface of the nozzle flow adjusting plate 13; an impeller 4, the left end of the impeller 4 is inserted into the nozzle pressing plate cavity 3d of the nozzle pressing plate 3b, the middle part, i.e. the part with the largest diameter of the impeller 4, is corresponding to the air duct 3c, and the right end of the impeller 4 is substantially formed as the fixed end of the impeller and is corresponding to the adjusting plate cavity 132 at the central position of the nozzle flow adjusting plate 13; the motor housing 5 of the aforementioned high-speed motor construction, the stator 6 disposed within the motor housing 5, and the rotor 7 having a center corresponding to the center of the stator 6, a left end projecting out of the left end cap 51 of the motor housing 5, and a right end rotatably supported on the right end cap 52 of the motor housing 5 are shown. Because the high-speed motor (capable of regulating speed according to requirements) belongs to the motor category and the working principle of the motor becomes axiom, the applicant does not describe the high-speed motor any more.
The technical key points of the technical scheme provided by the invention are as follows: besides the ORC cogeneration turboexpander and the high-speed motor, the present invention further comprises a transition connecting sleeve 8 fixed between the right side surface of the volute bottom plate 11 and the left side surface of the left end cover 51, the transition connecting sleeve 8 is provided with a transition connecting sleeve cavity 81 which is communicated from the left end to the right end of the transition connecting sleeve 8, the left end of the rotor 7 extends from the right side of the transition connecting sleeve cavity 81 to the left side of the transition connecting sleeve 8 and is fixedly connected with the impeller 4 through an impeller fixing connecting bolt 73 at the position corresponding to the adjusting plate cavity 132, the left end of the rotor 7 is also rotatably supported in the transition connecting sleeve cavity 81 through a rotor supporting bearing 71 in the transition connecting sleeve cavity 81, a dry gas seal mechanism 9 is provided on the rotor left shaft head 72 of the rotor 7 at a position (which may also be referred to as "area") corresponding between the right side of the volute floor 11 and the left side of the aforementioned rotor support bearing 71.
Continuing to refer to fig. 1, air flow rate adjusting nozzles 133 are provided at intervals around the nozzle flow rate adjusting plate 13 at positions corresponding to the air passages 3c on the left side of the nozzle flow rate adjusting plate 13, a back plate fixing cavity 134 is formed on the left side of the middle portion of the nozzle flow rate adjusting plate 13, and a back plate 1341 for covering the left cavity opening of the adjusting plate cavity 132 and being fitted in the right end of the impeller 4 is fixed in the back plate fixing cavity 134 by a back plate fixing screw.
Since the shape of the above-mentioned nozzle flow adjusting plate 13 is substantially the same as that of the nozzle in CN207470234U (nozzle flow adjusting device of turbo expander), the flow rate of the high-pressure air passing through the air duct 3c can be changed by adjusting the forward/backward angle (clockwise or counterclockwise angle) as required, and thus, the applicant does not need to describe any further details.
As shown in fig. 1, a left transitional coupling flange 82 is formed at the left end of the transitional coupling sleeve 8, and a right transitional coupling flange 83 is formed at the right end of the transitional coupling sleeve 8, the left transitional coupling flange 82 is fixed to the right side of the casing bottom plate 11 of the volute 1 by left flange screws, and the right transitional coupling flange 83 is fixed to the left end cover 51 of the motor casing 5 by right flange screws.
A left end cover cavity shielding disc 511 for shielding the left end cover cavity of the left end cover 51 is arranged on the left side of the left end cover 51 of the motor shell 5, the peripheral edge part of the left end cover cavity shielding disc 511 is fixed with the right end face of the transitional connecting sleeve 8 through a shielding disc fixing screw 512, and the central position of the left end cover cavity shielding disc 511 is sleeved on the rotor 7 through a rotor abdicating hole.
Referring to fig. 2 in conjunction with fig. 1, the dry gas sealing mechanism 9 includes a shaft sleeve 91, a movable ring 92, a movable ring 93, a spring seat 94, a pressing sleeve 95, a spring 96, a pressing ring 97, a spring seat fixing seat 98 and a carbon ring seal 99, the shaft sleeve 91 is fixed to the left end of the rotor left shaft head 72 of the rotor 7 through a tension sleeve or a flat key and is located at the left side of the rotor support bearing 71, the left end of the shaft sleeve 91 extends to the adjusting plate cavity 132 and is bordered by the right end face of the impeller 4 (shown in fig. 1), the movable ring 92 is sleeved on the shaft sleeve 91, i.e. is sleeved outside the shaft sleeve 91 and is fixed to the shaft sleeve 91, the pressing sleeve 95 is located at the right end of the shaft sleeve 91, the middle of the pressing sleeve 95 is sleeved on the rotor left shaft head 72, the inner wall of the left end is matched with the right end outer wall of the shaft sleeve 91 and the left end face of the pressing sleeve 95 corresponds to the right side face of the movable ring 92, a pressing sleeve flange 951 is formed on the outer wall of the middle of the pressing sleeve 95 around the pressing sleeve 95, the pressing sleeve flange 951 is fixed with the right end face of the shaft sleeve 91 through a pressing sleeve flange screw 9511, a pressing sleeve space 954 is kept between the inner wall of the right end of the pressing sleeve 95 and the outer wall of the rotor left shaft head 72, a mixed gas vent groove 952 is formed between the outer wall of the pressing sleeve 95 and the inner wall of the spring seat 94, an isolating gas vent groove 953 is formed on the outer wall of the pressing sleeve 95 at a position corresponding to a first carbon ring seal cavity I991 of the carbon ring seal 99, the isolating gas vent groove 953 is communicated with the mixed gas vent groove through a clearance of several microns between the inner wall of the carbon ring seal 99 and the outer wall of the pressing sleeve 952, the spring seat 94 is sleeved outside the pressing sleeve 95 at a position corresponding to the mixed gas vent groove 952 in an empty mode, a moving ring cavity 943 is formed on one side, namely the left side of the spring seat 94 facing the moving ring 93, a second carbon ring seal cavity ii 944 is formed toward one side, i.e., the right side, of the carbon ring seal 99, a spring seat fixing flange 941 is extended on the outer wall of the spring seat 94 and around the periphery of the outer wall, the spring seat fixing flange 941 is fixed to the spring seat fixing seat 98 by a spring seat fixing flange screw 9411, a spring seat seal dry gas introducing hole 942a and a spring seat mixture gas introducing hole 942b are further formed in the middle of the spring seat 94, the spring seat seal dry gas introducing hole 942a communicates with the first carbon ring seal cavity i 991, the spring seat mixture gas introducing hole 942b communicates with the mixture gas vent 952, the moving ring 93 is disposed in the moving ring cavity 943 at a position corresponding to the right side of the moving ring 92 and movably engages with the spring seat 94, a moving ring seal dry gas passage gap 931 is formed between the left side surface of the moving ring 93 and the right side surface of the moving ring 92, the moving ring seal dry gas is communicated with the mixed gas vent 952 through a gap 931, the press ring 97 is disposed in the moving ring cavity 943 at a position corresponding to the right side of the moving ring 93 and the left side surface of the press ring 97 is in contact with the right side surface of the moving ring 93, the springs 96 are provided in a group distributed at intervals in the circumferential direction of the press ring 97, one end of each spring 96 is supported on the right side of the press ring 97 and the other end is supported on the cavity wall of the moving ring cavity 943, the spring seat fixing seat 98 is engaged with the transition connecting sleeve cavity 81 of the transition connecting sleeve 8 and fixed with the transition connecting sleeve 8 by the spring seat fixing seat screw 984, a fixing seat seal dry gas introduction hole 981 and a fixing seat mixed gas introduction hole 982 are opened on the spring seat fixing seat 98, the fixing seat seal dry gas introduction hole 981 is communicated with the connecting seat seal dry gas introduction hole 84 (shown in fig. 1) opened on the transition connecting sleeve 8 and is also communicated with the spring seat seal dry gas introduction hole 942a, the fixed seat mixture outlet hole 982 communicates with the transition connecting sleeve mixture outlet hole 85 (shown in fig. 1) formed in the transition connecting sleeve 8 and also communicates with the spring seat mixture outlet port 942b, the carbon ring seal 99 is fitted to the right end of the pressing sleeve 95 at a position corresponding to the second carbon ring seal chamber ii 944 and a slight gap of only several micrometers is formed between the inner wall of the carbon ring seal 99 and the outer wall of the pressing sleeve 95, a carbon ring seal retainer plate 992 is provided on the right side of the second carbon ring seal chamber ii 944 and at a position corresponding to the right side of the carbon ring seal 99, and the carbon ring seal retainer plate 992 is fixed to the right side of the spring seat 94 by a retainer plate fixing screw 9922.
Continuing to refer to fig. 2, a moving ring fixing flange 911 is formed on the outer wall of the shaft sleeve 91 and around the circumference of the shaft sleeve 91, and the moving ring 92 is fixed with the moving ring fixing flange 911 by a moving ring fixing screw 921; a moving ring sealing ring groove 9111 is formed in the right side surface of the moving ring fixing flange 911 and also surrounds the moving ring fixing flange 911, a moving ring sealing ring 91111 is embedded in the moving ring sealing ring groove 9111, and the left side surface of the moving ring 92 is in sealing contact with the moving ring sealing ring 91111.
Preferably, a shift ring leftward/rightward movement guide 9431 is provided on a left cavity wall of the shift ring cavity 943 of the spring seat 94, a shift ring stopper 9432 is fixed to a top wall of the shift ring cavity 943 at a position corresponding to a distal end of the shift ring leftward/rightward movement guide 9431, a shift ring guide flange 932 extends from an outer wall of the shift ring 93 in a circumferential direction of the shift ring 93, a shift ring guide flange hole is formed in the shift ring guide flange 932 at a position corresponding to the shift ring leftward/rightward movement guide 9431, and is slidably engaged with the shift ring leftward/rightward movement guide 9431, and the shift ring stopper 9432 corresponds to a right side of the shift ring guide flange 932 and is not displaced leftward when the shift ring 93 is stopped by the shift ring stopper 9432.
Preferably, a sleeve sealing ring 912 is embedded on the inner wall of the sleeve 91, the sleeve sealing ring 912 forms a seal with the outer wall of the rotor left spindle nose 72, a pressing ring sealing ring 971 is arranged between the pressing ring 97 and the cavity bottom wall of the moving ring cavity 943, and the pressing ring sealing ring 971 is also in contact with the right side surface of the moving ring 93; a first spring seat seal i 945a, a second spring seat seal ii 945b and a third spring seat seal iii 945c are fitted to the outer wall of the spring seat 94 and at a position matching the inner wall of the spring seat fixed seat 98, the periphery of the joint between the dry gas introduction hole 981 and the dry gas introduction hole 942a of the fixed seat is sealed by the first spring seat seal i 945a and the second spring seat seal ii 945b together, and the periphery of the joint between the mixed gas introduction hole 982 and the mixed gas introduction hole 942b of the fixed seat is sealed by the second spring seat seal ii and the third spring seat seal iii 945c together; a baffle disc sealing ring seat 9921 is formed on the left side of the baffle disc 992 of the carbon ring sealing element, a baffle disc sealing ring 99211 is embedded in the baffle disc sealing ring seat 9921, and the baffle disc sealing ring 99211 forms a seal with the spring seat 94; a seal air inlet hole 86 is formed in the transition connecting sleeve 8 at a position corresponding to the left side of the mixture outlet hole 85 of the transition connecting sleeve, the seal air inlet hole 86 communicates with the adjusting plate cavity 132, and the adjusting plate cavity 132 communicates with the moving ring seal dry air through a gap 931.
In this embodiment, the sealing dry gas is dry air or nitrogen; the mixed gas is a mixed gas of R134a and dry air or a mixed gas of R134a and nitrogen.
When the dry sealing air introduced through the dry sealing air introduction hole 981 of the fixed seat is dry air, the dry air sequentially enters the isolated air ventilation groove 953 through the dry sealing air introduction hole 942a of the spring seat and the first carbon ring sealing member cavity i 991 (the carbon ring sealing member may be called "carbon seal", the same as above), the dry air entering the isolated air ventilation groove 953 is divided into a left path and a right path, the gas in the right path isolates the oil gas flowing leftwards from the direction of the rotor support bearing 71, the mixed gas formed by the meeting of the two is a mixed gas of the oil gas and the dry air, the left path enters the mixed gas' ventilation groove 952 and meets the dry air entering the mixed gas ventilation groove 952 through the gap 931 of the moving ring sealing dry air through the gap 931 to form a mixed gas, the mixed gas is led out through the spring seat mixed gas outlet 942b and the fixed seat mixed gas outlet 982 in sequence and is recycled after being treated. Since the self-sealing dry gas enters the working medium gas R134a of the ORC waste heat power turbine expansion machine through the gap 931, the mixed gas is a mixed gas of R134a and dry air. Based on the above, if the dry seal gas introduced from the dry seal gas introduction hole 981 is nitrogen gas, the mixed gas formed by mixing with the oil gas is a mixed gas of oil gas and nitrogen gas, and in the same example, the mixed gas formed by mixing with the R134a is a mixed gas of R134a and nitrogen gas.
As shown in fig. 1, a lubricant introducing hole 87 for introducing lubricant to the rotor support bearing 71 is formed in the transition connecting sleeve 8 at a position on the right side of the dry air inlet hole 84 for sealing the transition connecting sleeve, and the lubricant introducing hole 87 corresponds to the upper side of the rotor support bearing 71.
Preferably, a rotor vibration detecting probe 89 for detecting the vibration level of the rotor 7 is further provided on the transition connecting sleeve 8 at a position between the aforementioned transition connecting sleeve dry air inlet hole 84 and the lubricating oil inlet hole 87, and the rotor vibration detecting probe 89 is in contact with the rotor left shaft head 72, and the rotor vibration detecting probe 89 is electrically connected with the electric controller by a line.
When the high-speed motor is in an operating state, the rotor 7 drives the impeller 4 to move, and at the same time, the rotor left shaft head 72 of the rotor 7 drives the shaft sleeve 91 and the compression sleeve 95 at the same time, and the shaft sleeve 91 drives the movable ring 92 at the same time. The high-pressure air entering the volute cavity 12 of the volute 1 enters the air outlet cavity 211 through the air passage 3C, i.e. is led out from the air outlet cavity 211 in the form of low-pressure air. In the above process, the dry seal gas, i.e. the aforementioned dry air or nitrogen gas, is introduced through the dry seal gas inlet 86 and the transition connecting sleeve dry seal gas inlet 84. The sealing dry gas which is indicated by the downward arrow at the upper left of fig. 2 and is introduced through the sealing dry gas inlet hole 86 mainly performs air sealing on the right end of the impeller 4, and inevitably the working medium gas such as R134a from the right end of the impeller 4 enters the adjusting plate cavity 132 and enters the mixed gas vent groove 952 through the moving ring sealing dry gas passing gap 931 and is led out through the fixed seat mixed gas outlet hole 982 according to the above, but a large amount (i.e. most) of the working medium gas such as R134a which enters the adjusting plate cavity 132 and the mixed gas of the sealing dry gas introduced through the sealing dry gas inlet hole 86 are led out through the working medium gas and the sealing dry gas mixed gas outlet hole 88 which is arranged on the transition connecting sleeve 8 and are recycled after being treated. It can be seen that the main function of the dry sealing gas introduced from the dry sealing gas inlet hole 86 is to prevent the working gas such as R134a at the right end of the impeller 4 from leaking (forming a gas barrier). When the moving ring seals the dry gas passing through the gap 931, the spring 96 is compressed, and the degree of compression depends on the pressure of the gas. Similarly, when the rotor 7 drives the impeller 4 to operate, the lubricant introducing hole 87 supplies the lubricant to the rotor support bearing 71, and the rotor support bearing 71 is in a good lubrication state.
In conclusion, the technical scheme provided by the invention overcomes the defects in the prior art, successfully completes the invention task and truly realizes the technical effects of the applicant in the technical effect column.
Claims (9)
1. An ORC waste heat power generation turbo expander and high-speed motor matching structure comprises a volute (1), a nozzle flow adjusting plate (13) is arranged at the central position of one side, facing a volute cavity (12), of a volute bottom plate (11) of the volute (1), an adjusting plate matching seat (131) is formed at the central position of the right side of the nozzle flow adjusting plate (13), the adjusting plate matching seat (131) is matched with a volute bottom plate central hole (111) in the volute bottom plate (11) in a matching mode, a heat insulating plate (14) is arranged between the right side face of the nozzle flow adjusting plate (13) and the left side face of the volute bottom plate (11), a heat insulating plate central hole (141) of the heat insulating plate (14) is sleeved on the adjusting plate matching seat (131), an air outlet ring (2) is in sealing fit with the left side of the volute (1), an air outlet ring air outlet pipe (21) is formed in the central position of the air outlet ring (2), the right end of the air outlet ring air outlet pipe (21) extends into the volute cavity (12), a sealing sleeve (3a) and a nozzle pressing plate (3b) are arranged, the left end of the sealing sleeve (3a) extends into the right end of the air outlet ring air outlet pipe (21), a seal is formed between the outer wall of the sealing sleeve (3a) and the cavity wall of an air outlet pipe cavity (211) of the air outlet ring air outlet pipe (21), the right end of the sealing sleeve (3a) is in sealing fit with the left end of the nozzle pressing plate (3b), the right end of the nozzle pressing plate (3b) is fixed with the left side of the nozzle flow adjusting plate (13), and an air channel (3c) for leading high-pressure air entering the volute cavity (12) into the air outlet pipe cavity (21) of the air outlet ring air outlet pipe and leading out of the air outlet pipe cavity (211) in a low-pressure air pipe cavity form is formed between the right side surface of the nozzle pressing plate (3b) and the nozzle pressing plate (3b) (ii) a The left end of the impeller (4) extends into a nozzle pressing plate cavity (3d) of the nozzle pressing plate (3b), the middle part of the impeller (4) corresponds to the air channel (3c), and the right end of the impeller (4) corresponds to an adjusting plate cavity (132) in the central position of the nozzle flow adjusting plate (13); the high-speed motor comprises a motor shell (5), a stator (6) arranged in the motor shell (5), and a rotor (7) of which the middle part corresponds to the central position of the stator (6), the left end extends out of a left end cover (51) of the motor shell (5), and the right end is rotatably supported on a right end cover (52) of the motor shell (5), and is characterized by further comprising a transitional connecting sleeve (8) fixed between the right side surface of the volute bottom plate (11) and the left side surface of the left end cover (51), wherein the transitional connecting sleeve (8) is provided with a transitional connecting sleeve cavity (81) which penetrates from the left end to the right end of the transitional connecting sleeve (8), the left end of the rotor (7) extends from the right side of the transitional connecting sleeve cavity (81) to the left side of the transitional connecting sleeve (8) and is fixedly connected with the impeller (4) at the position corresponding to the adjusting plate cavity (132), the left end of the rotor (7) is rotatably supported in the transitional connection sleeve cavity (81) through a rotor supporting bearing (71) in the transitional connection sleeve cavity (81), a dry gas sealing mechanism (9) is arranged on a rotor left shaft head (72) of the rotor (7) and at a position corresponding to a position between the right side of a volute bottom plate (11) and the left side of the rotor supporting bearing (71), the dry gas sealing mechanism (9) comprises a shaft sleeve (91), a movable ring (92), a movable ring (93), a spring seat (94), a pressing sleeve (95), a spring (96), a pressing ring (97), a spring seat fixing seat (98) and a carbon ring sealing member (99), the shaft sleeve (91) is fixed at the left end of the rotor left shaft head (72) of the rotor (7) and is positioned at the left side of the rotor supporting bearing (71), the left end of the shaft sleeve (91) extends to the adjusting plate cavity (132) and is connected with the right end face of the impeller (4), the dynamic ring (92) is sleeved on the shaft sleeve (91) and fixed with the shaft sleeve (91), the compression sleeve (95) is positioned at the right end of the shaft sleeve (91), the middle part of the compression sleeve (95) is sleeved on the rotor left shaft head (72), the inner wall of the left end is matched with the outer wall of the right end of the shaft sleeve (91), the end face of the left end of the compression sleeve (95) corresponds to the right side face of the dynamic ring (92), a compression sleeve flange (951) is formed on the outer wall of the middle part of the compression sleeve (95) around the periphery of the compression sleeve (95), the compression sleeve flange (951) is fixed with the end face of the right end of the shaft sleeve (91) through compression sleeve flange screws (9511), a compression sleeve space (954) is kept between the inner wall of the right end of the compression sleeve (95) and the outer wall of the rotor left shaft head (72), and a mixed gas vent groove (952) is formed between the outer wall of the compression sleeve (95) and the inner wall of the spring seat (94), and the outer wall of the pressing sleeve (95) is formed with an isolation gas vent groove (953) at the position corresponding to the first carbon ring seal member cavity I (991) of the carbon ring seal member (99), the isolation gas vent groove (953) is communicated with the mixed gas vent groove (952) through the gap between the inner wall of the carbon ring seal member (99) and the outer wall of the pressing sleeve (95), the spring seat (94) is sleeved outside the pressing sleeve (95) at the position corresponding to the mixed gas vent groove (952), one side of the spring seat (94) facing the moving ring (93) is formed with a moving ring cavity (943), one side facing the carbon ring seal member (99) is formed with a second carbon ring seal member cavity II (944), a spring seat fixing flange (941) is extended on the outer wall of the spring seat (94) and around the periphery of the outer wall, the spring seat fixing flange (941) is fixed with the spring seat fixing seat (98) through a spring seat fixing flange screw (9411), a spring seat seal dry gas introduction hole (942a) and a spring seat mixture gas introduction hole (942b) are further formed in the middle of the spring seat (94), the spring seat seal dry gas introduction hole (942a) is communicated with the first carbon ring seal member chamber I (991), the spring seat mixture gas introduction hole (942b) is communicated with the mixture gas vent groove (952), the shift ring (93) is disposed in the shift ring chamber (943) at a position corresponding to the right side of the shift ring (92) and is movably engaged with the spring seat (94), a shift ring seal dry gas passage gap (931) is formed between the left side surface of the shift ring (93) and the right side surface of the shift ring (92), the shift ring seal dry gas passage gap (931) is communicated with the mixture gas vent groove (952) through the gap (931), the press ring (97) is disposed in the shift ring chamber (943) at a position corresponding to the right side of the shift ring (93) and the left side surface of the press ring (97) and the shift ring (93) The right side face of the spring (96) is contacted, the spring (96) is provided with a group of springs distributed at intervals along the circumferential direction of the press ring (97), one end of the spring (96) is supported at the right side of the press ring (97), the other end of the spring is supported on the cavity wall of the movable ring cavity (943), the spring seat fixing seat (98) is matched with the transitional connection sleeve cavity (81) of the transitional connection sleeve (8) and is fixed with the transitional connection sleeve (8) through a spring seat fixing seat screw (984), a fixing seat sealing dry gas leading-in hole (981) and a fixing seat mixed gas leading-out hole (982) are arranged on the spring seat fixing seat (98), the fixing seat sealing dry gas leading-in hole (981) is communicated with the transitional connection sleeve sealing dry gas leading-in hole (84) arranged on the transitional connection sleeve (8) and is also communicated with the spring seat sealing dry gas leading-in hole (942a), and the fixing seat mixed gas leading-out hole (982) is communicated with the transitional connection sleeve mixed gas leading-out hole (85) arranged on the transitional connection sleeve (8) and is also communicated with the transitional connection sleeve And the carbon ring sealing element is also communicated with the mixed gas leading-out port (942b) of the spring seat, the carbon ring sealing element (99) is sleeved at the right end of the pressing sleeve (95) at the position corresponding to the second carbon ring sealing element cavity II (944), a micro gap is formed between the inner wall of the carbon ring sealing element (99) and the outer wall of the pressing sleeve (95), a carbon ring sealing element baffle disc (992) is arranged on the right side of the second carbon ring sealing element cavity II (944) and at the position corresponding to the right side of the carbon ring sealing element (99), and the carbon ring sealing element baffle disc (992) is fixed with the right side of the spring seat (94).
2. The ORC cogeneration turboexpander and high-speed motor matching structure according to claim 1, wherein a ventilation volume adjusting nozzle (133) is provided at a left side of the nozzle flow adjusting plate (13) and at a position corresponding to the ventilation duct (3c) at intervals around the circumference of the nozzle flow adjusting plate (13), a back plate fixing cavity (134) is formed at a middle left side of the nozzle flow adjusting plate (13), and a back plate (1341) for shielding a left cavity opening of the adjusting plate cavity (132) and being fitted empty at a right end of the impeller (4) is fixed in the back plate fixing cavity (134) by a back plate fixing screw.
3. The ORC cogeneration turboexpander and high-speed motor matching structure according to claim 1, wherein a left transitional connecting sleeve flange (82) is formed at the left end of the transitional connecting sleeve (8), a right transitional connecting sleeve flange (83) is formed at the right end of the transitional connecting sleeve (8), the left transitional connecting sleeve flange (82) is fixed to the right side of the shell bottom plate (11) of the volute (1) through left flange screws, and the right transitional connecting sleeve flange (83) is fixed to the left end cover (51) of the motor housing (5) through right flange screws.
4. The ORC waste heat power turbine expander and high-speed motor matching structure is characterized in that a left end cover cavity shielding disc (511) used for shielding a left end cover cavity of a left end cover (51) is arranged on the left side of the left end cover (51) of the motor shell (5), the peripheral edge part of the left end cover cavity shielding disc (511) is fixed with the right end face of the transition connecting sleeve (8) through shielding disc fixing screws (512), and the central position of the left end cover cavity shielding disc (511) is sleeved on the rotor (7) in an empty mode through an opened rotor abdicating hole.
5. The ORC cogeneration turboexpander and high-speed motor matching structure according to claim 1, wherein a moving ring fixing flange plate (911) is formed on the outer wall of the shaft sleeve (91) and around the circumference of the shaft sleeve (91), and the moving ring (92) is fixed with the moving ring fixing flange plate (911) through a moving ring fixing screw (921); a moving ring sealing ring groove (9111) is formed in the right side face of the moving ring fixing flange plate (911) and around the moving ring fixing flange plate (911), a moving ring sealing ring (91111) is embedded in the moving ring sealing ring groove (9111), and the left side face of the moving ring (92) is in sealing contact with the moving ring sealing ring (91111).
6. The ORC cogeneration turboexpander of claim 1 in combination with a high speed electric machine, it is characterized in that a left cavity wall of a moving ring cavity (943) of the spring seat (94) is provided with a moving ring left-right moving guide post (9431), a moving ring limit stop (9432) is fixed on the top wall of the moving ring cavity (943) and at the position corresponding to the tail end of the moving ring left-right moving guide post (9431), a shift ring guide flange (932) extending on the outer wall of the shift ring (93) and around the circumferential direction of the shift ring (93), a moving ring guide flange disc guide post hole is arranged on the moving ring guide flange disc (932) and at the position corresponding to the moving ring left and right moving guide post (9431), the guide post hole of the moving ring guide flange disc is in sliding fit with a left and right moving guide post (9431) of the moving ring, the shift ring limit stop (9432) corresponds to the right side of the shift ring guide flange (932).
7. The ORC waste heat power turbine expander and high-speed motor matching structure according to claim 1, wherein a shaft sleeve sealing ring (912) is embedded on the inner wall of the shaft sleeve (91), the shaft sleeve sealing ring (912) and the outer wall of the rotor left shaft head (72) form a seal, a pressure ring sealing ring (971) is arranged between the pressure ring (97) and the cavity bottom wall of the moving ring cavity (943), and the pressure ring sealing ring (971) is also in contact with the right side face of the moving ring (93); a first spring seat sealing ring I (945a), a second spring seat sealing ring II (945b) and a third spring seat sealing ring III (945c) are embedded in the outer wall of the spring seat (94) and at the part matched with the inner wall of the spring seat fixing seat (98), the periphery of the joint of the dry gas leading-in hole (981) and the dry gas leading-in hole (942a) of the fixing seat is sealed by the first spring seat sealing ring I (945a) and the second spring seat sealing ring II (945b) together, and the periphery of the joint of the mixed gas leading-out hole (982) of the fixing seat and the mixed gas leading-out hole (942b) of the spring seat is sealed by the second spring seat sealing ring II (945b) and the third spring seat sealing ring III (945c) together; a baffle disc sealing ring seat (9921) is formed on the left side of the baffle disc (992) of the carbon ring sealing element, a baffle disc sealing ring (99211) is embedded in the baffle disc sealing ring seat (9921), and the baffle disc sealing ring (99211) and the spring seat (94) form sealing; and a sealing air inlet hole (86) is formed in the transition connecting sleeve (8) and at a position corresponding to the left side of the mixed air leading-out hole (85) of the transition connecting sleeve, the sealing air inlet hole (86) is communicated with the adjusting plate cavity (132), and the adjusting plate cavity (132) is communicated with the moving ring sealing dry air through a gap (931).
8. The ORC cogeneration turboexpander and high speed motor mating structure of claim 7, wherein said dry sealing gas is dry air or nitrogen; the mixed gas is the mixed gas of R134a and dry air or the mixed gas of R134a and nitrogen.
9. The ORC cogeneration turboexpander and high-speed motor mating structure according to claim 1, wherein a lubricating oil introducing hole (87) for introducing lubricating oil to the rotor support bearing (71) is opened in the transition connecting sleeve (8) at a position on the right side of the transition connecting sleeve seal dry air inlet hole (84), and the lubricating oil introducing hole (87) corresponds to the upper side of the rotor support bearing (71).
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005059331A2 (en) * | 2003-12-15 | 2005-06-30 | Innovative Turbo Systems Corporation | Bearing system for high-speed rotating machinery |
| WO2013117716A1 (en) * | 2012-02-09 | 2013-08-15 | Schaeffler Technologies AG & Co. KG | Lubricant filtering for the bearing device of an exhaust-gas turbocharger |
| CN103746493A (en) * | 2014-01-07 | 2014-04-23 | 天津大学 | Main shaft sealing device of high-speed turbine-generator applied to ORC (organic Rankine cycle) |
| CN205779038U (en) * | 2016-05-31 | 2016-12-07 | 西安索能动力科技有限公司 | Turbo-expander and high-speed engine are coaxial turbine power generation unit |
| CN206581991U (en) * | 2017-01-22 | 2017-10-24 | 中国长江动力集团有限公司 | Organic rankine cycle system turbo-expander sealing structure |
| CN107448246A (en) * | 2017-07-26 | 2017-12-08 | 中国科学院工程热物理研究所 | A kind of supercritical carbon dioxide turbine generators |
| CN207470234U (en) * | 2017-11-09 | 2018-06-08 | 联优机械(常熟)有限公司 | The spray nozzle flow regulator of turbo-expander |
| CN207485490U (en) * | 2017-07-25 | 2018-06-12 | 航天推进技术研究院 | A kind of Organic Rankine Cycle multikilowatt power generator |
| CN110439634A (en) * | 2019-08-19 | 2019-11-12 | 哈尔滨电气股份有限公司 | One kind being used for direct connection natural gas radial-inflow turboexpaner generating equipment |
| CN110905609A (en) * | 2019-05-28 | 2020-03-24 | 上海慕帆动力科技有限公司 | High-parameter ORC turbine power generation equipment applied to engine waste heat recovery and ORC device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5924307A (en) * | 1997-05-19 | 1999-07-20 | Praxair Technology, Inc. | Turbine/motor (generator) driven booster compressor |
| US7948105B2 (en) * | 2007-02-01 | 2011-05-24 | R&D Dynamics Corporation | Turboalternator with hydrodynamic bearings |
| KR101101344B1 (en) * | 2009-09-17 | 2012-01-02 | 한국에너지기술연구원 | Turbo generator for organic rankine cycle for preventing penetration of operating fluid |
| CN102767402A (en) * | 2012-07-04 | 2012-11-07 | 联优机械(常熟)有限公司 | Connecting shaft structure of external work output connection device of turbine expansion engine |
| US9944399B2 (en) * | 2014-08-07 | 2018-04-17 | Pratt & Whitney Canada Corp. | Seal assembly for a bearing assembly in a gas turbine engine |
-
2020
- 2020-09-22 CN CN202011000786.9A patent/CN112112689B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005059331A2 (en) * | 2003-12-15 | 2005-06-30 | Innovative Turbo Systems Corporation | Bearing system for high-speed rotating machinery |
| WO2013117716A1 (en) * | 2012-02-09 | 2013-08-15 | Schaeffler Technologies AG & Co. KG | Lubricant filtering for the bearing device of an exhaust-gas turbocharger |
| CN103746493A (en) * | 2014-01-07 | 2014-04-23 | 天津大学 | Main shaft sealing device of high-speed turbine-generator applied to ORC (organic Rankine cycle) |
| CN205779038U (en) * | 2016-05-31 | 2016-12-07 | 西安索能动力科技有限公司 | Turbo-expander and high-speed engine are coaxial turbine power generation unit |
| CN206581991U (en) * | 2017-01-22 | 2017-10-24 | 中国长江动力集团有限公司 | Organic rankine cycle system turbo-expander sealing structure |
| CN207485490U (en) * | 2017-07-25 | 2018-06-12 | 航天推进技术研究院 | A kind of Organic Rankine Cycle multikilowatt power generator |
| CN107448246A (en) * | 2017-07-26 | 2017-12-08 | 中国科学院工程热物理研究所 | A kind of supercritical carbon dioxide turbine generators |
| CN207470234U (en) * | 2017-11-09 | 2018-06-08 | 联优机械(常熟)有限公司 | The spray nozzle flow regulator of turbo-expander |
| CN110905609A (en) * | 2019-05-28 | 2020-03-24 | 上海慕帆动力科技有限公司 | High-parameter ORC turbine power generation equipment applied to engine waste heat recovery and ORC device |
| CN110439634A (en) * | 2019-08-19 | 2019-11-12 | 哈尔滨电气股份有限公司 | One kind being used for direct connection natural gas radial-inflow turboexpaner generating equipment |
Non-Patent Citations (1)
| Title |
|---|
| 余热透平发电机低压发电侧密封改造;朱忠翔 等;《铜业工程》;20161015(第5期);全文 * |
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