CN102751845A - Transmission system of rotary-type heat exchanger - Google Patents
Transmission system of rotary-type heat exchanger Download PDFInfo
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- CN102751845A CN102751845A CN2012102369543A CN201210236954A CN102751845A CN 102751845 A CN102751845 A CN 102751845A CN 2012102369543 A CN2012102369543 A CN 2012102369543A CN 201210236954 A CN201210236954 A CN 201210236954A CN 102751845 A CN102751845 A CN 102751845A
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Abstract
The invention discloses a transmission system of a rotary-type heat exchanger, wherein the transmission system of the rotary-type heat exchanger comprises a third speed reducer. The transmission system of the rotary-type heat exchanger is characterized in that one end of the third speed reducer is connected with one end of a first magnetic force coupling device, and the other end of the first magnetic force coupling device is connected with a rotary end of a second main motor; the other end of the second main motor is connected with a control box; the other end of the third speed reducer is connected with one end of the second magnetic force coupling device; the other end of the second magnetic force coupling device is connected with a rotary end of a second auxiliary motor; the other end of the secondary auxiliary motor is connected with the control box; and the control box is connected with a rotor speed measuring system and a power supply. The transmission system of the rotary-type heat exchanger provided by the invention has the characteristics of high reliability, simplified running and maintaining operation, and the like.
Description
Technical field
The present invention relates to a kind of drive system of rotary type heat exchanger, belong to the rotary type heat exchanger equipment technical field.
Background technology
Rotary type heat exchanger is the core component of this equipment.It mainly acts on is to absorb the boiler leading portion to discharge used heat, comes heating boiler burning and coal dust to carry air, or heats the desulphurization system cooled smoke again.Huge revolving formula heat exchanger comprises air preheater and flue gas-flue gas heat exchange device, and its rotor weight of filling heat-transfer surface can reach hundreds of tons, adopts the drive system of particular design to guarantee its continuous rotation.Because can the rotation of air preheater normally move concerning steam generator system, the reliability of its work is extremely important to the boiler unit.
The general continuous rotation of adopting following dual mode to accomplish rotor of the rotary type heat exchanger of traditional design:
(1) shroud type of drive: (referring to Fig. 1)
The rotor 1 of rotary type heat exchanger links to each other with upper bearing 3 and lower bearing 4 through rotating shaft 2, and upper bearing 3 is installed on the top beam 5, and lower bearing 4 is installed on the lower beam 6.Top beam 5 links to each other with lower beam 6 through the supporting seat 13 at its two ends, and the formation bearing frame is delivered to the weight and the performance load of heat exchanger on the outside framework.Periphery at rotor 1 is equipped with transmission shroud 10, its by steel loop 11 up and down with etc. the bearing pin 12 arranged of pitch constitute.On outer cover of heat exchanger, be connected with reductor carriage 8, the top is used for laying first reductor, 7, the first reductors, 7 belows and connects travelling gear 9, travelling gear 9 and 10 engagements of transmission shroud, the purpose of realization transmission rotor.
(2) centre-driven mode: (referring to Fig. 2)
Different with the shroud type of drive is, centre-driven mode rotor periphery is not established shroud, and second reductor 16 is installed in top beam 5 tops, and second reductor 16 directly drives the extension, top 14 of rotating shaft 2; Perhaps second reductor 16 is installed in lower beam 6 belows, drives the extension, bottom 15 of rotating shaft 2.
The shroud drive system is as shown in Figure 3: first reductor 7 is provided with two to three inputs usually, to guarantee system safety operation.The main driving by the first main motor 21 formed with fluid coupling 22, and fluid coupling 22 is used to provide and starts protection, alleviates the influence of starting torque to the first main motor 21; The secondary driving by first auxiliary-motor 25 formed with freewheel clutch 23, when requiring the auxiliary driving tachometer value low, adds auxilliary reductor 24.The common power of major-minor motor is different; When customer requirements major-minor motor adopts the equal-wattage motor, also can adopt the installing frequency converter, (Fig. 1 does not represent frequency converter to realize starting the purpose of protection and adjustment rotor speed with VFC; When adopting VFC, can not establish fluid coupling)
The centre-driven drive system is as shown in Figure 4: second reductor 16 is provided with 2-3 input usually; The first main motor 21 is identical with first auxiliary-motor, 25 power; Adopt frequency-variable controller 28 to make to start protection and adjusting rotating speed; When the main gear reducer speed reducing ratio is not enough, add auxilliary reductor 26 of main transmission and the auxilliary reductor 27 of auxiliary driving.
The said system existing problems are:
(1) to the shroud type of drive, when adopting fluid coupling 22, its installation requirement is high, and the both sides axiality requires less than 0.1mm, and the inner oil that uses is working media, in overload or refuel and do not occur interior oil at that time easily and overflow and cause transmission to be failed, forces the boiler shutdown.
(2) to the shroud type of drive, the major-minor power of motor not simultaneously, when switching to the work of first auxiliary-motor 25, long-term band is operated at full capacity if the power of first auxiliary-motor 25, can not guarantee unit less than first main motor 21 power.
(3) to the shroud type of drive, during 25 work of first auxiliary-motor, its life-span had both been shortened in the first main motor 21 meeting transfers, also can't realize the purpose of the on-line replacing first main motor 21.
(4) to the center type of drive, though the major-minor power of motor is identical, can switch each other, the transfer all the time of idle motor also can't realize on-bne repair and the purpose of changing the fault motor.
When (5) adopting VFC, the reliability of frequency converter is very crucial, in case damage, can cause drive system normally to start and speed governing.
(6) above-mentioned drive system can't realize that all unit do not shut down the function that changes heat exchanger rotor rotation direction, to the boiler unit of specific (special) requirements is arranged, change the heat exchanger rotor and turn to and must shut down the rotation direction that resets motor.
Summary of the invention
The objective of the invention is to solve can't on-bne repair with change the fault motor, change the problem of heat exchanger rotor rotation direction, the drive system that a kind of reliability is high, simplify the rotary type heat exchanger of operation maintenance work is provided.
In order to achieve the above object, the invention provides a kind of drive system of rotary type heat exchanger, comprise the 3rd reductor; It is characterized in that; One end of described the 3rd reductor is connected with an end of the first magnetic force coupling device, and the other end of the first magnetic force coupling device is connected with the round end of the second main motor, and the other end of the second main motor is connected with control cabinet; The other end of the 3rd reductor is connected with an end of the second magnetic force coupling device; The other end of the second magnetic force coupling device is connected with the round end of second auxiliary-motor, and the other end of second auxiliary-motor is connected with control cabinet, and control cabinet is connected with rotor velocity-measuring system, power supply.
Preferably; The described second magnetic force coupling device comprises brake, and a side of brake is provided with shaft joint, and the opposite side of brake is provided with permanent magnetic speed-adjusting type magnetic coupling; Be provided with conductor disc in the permanent magnetic speed-adjusting type magnetic coupling; Permanent magnetic speed-adjusting type magnetic coupling is provided with magnet, and conductor disc is connected with the adjusting actuator, regulates actuator and comprises manual dish, actuating motor.
Preferably, the interstice coverage between described conductor disc and the magnet is 1～10mm, realizes that starting the accelerating time is 10～50s.
Preferably, the interstice coverage between described conductor disc and the magnet is generally 2～5mm.
Preferably, the described first magnetic force coupling device is the permanent-magnet coupler or the second magnetic force coupling device.
Preferably, the described second main motor is identical with the power of second auxiliary-motor.
The present invention relates to a kind of drive system of air preheater, can realize that capacity such as major-minor transmission is equipped with mutually, adopt magnetic coupling to do to start buffer protection equipment, can cancel the fluid coupling or the frequency-variable controller of rotary type heat exchanger drive system; Adopt permanent magnetic speed-adjusting type magnetic coupling to substitute traditional freewheel clutch, can realize stepless speed regulation; The present invention can realize the not transfer fully of inoperative motor, improves the tolerance deviation range that motor and speed reducer is installed axiality, makes the on-line replacing motor be called possibility; Can also realize functions such as the online switching of major-minor motor, online completion switching heat exchanger rotor turn to.The present invention can improve and improve the function and the reliability of huge revolving formula heat exchanger, and simplifies operation maintenance work.
The present invention also has the following advantages:
(1) the plain edition system can substitute the existing drive system that adopts fluid coupling and general freewheel clutch; Cancellation fluid coupling or frequency converter, the permanent-magnet coupler can allow the coaxiality deviation of 5mm, does not have the oil design; Basically do not have maintenance requirement, can improve equipment dependability greatly.
(2) permanent magnetic speed-adjusting type magnetic coupling is regulated the gap between permanent magnetic speed-adjusting type magnetic coupling conductor inside dish and magnet (being contained on the permanent magnetic speed-adjusting type magnetic coupling) through regulating actuator; The output speed of permanent magnetic speed-adjusting type magnetic coupling is relevant with the size of this gap; Increase output speed with the gap reduces, and with gap length constant relation is arranged, and therefore can preset output speed through the numerical value that preestablishes conductor disc and gap; Thereby realization speed-regulating function; After the gap was arrived to a certain degree greatly, output speed was very low, near zero; It is zero using brake can guarantee to link to each other with the motor rotating speed of side this moment, realizes the purpose of not transfer of inoperative motor fully.
(3) employing permanent magnetic speed-adjusting type magnetic coupling can not only be realized reductor input speed governing and realize not transfer of motor fully, substitutes freewheel clutch and frequency converter, can also realize the needs of on-line replacing motor.After motor does not rotate; Through the disintegration shaft joint; Can on-bne repair or remove the fault motor, because permanent magnetic speed-adjusting type magnetic coupling requires very lowly (maximumly to allow 3～5mm), thereby after motor adorns again to the axiality of both sides; Need not to carry out meticulous adjustment axis work, thereby guarantee can not occur vibrating behind the on-line replacing motor, new possible breakdown such as heating with reductor.
(4) the perfect form system has further improved reliability on the basis of plain edition system; Realized being equipped with fully mutually of two input motors; The both sides input function is identical; All can guarantee heat exchanger band full load needs, the needs of all can realize starting protection, regulating input speed and online gap motor.
(5) basic model and perfect form can both expand the reverse needs of heat exchanger rotation.Turn to control cabinet through installing the scene additional, can realize online heat exchanger rotor negative function.Heat exchanger generally allows short time (as being no more than 3 minutes) online stall; For this reason, the tach signal of heat exchanger is introduced control cabinet, in the steam generator system machine operation that quits work; After heat exchanger rotor speed is reduced to zero; Change work drive motor through control cabinet and turn to, through regulating the conductor disc and the magnet gap of actuator change permanent magnetic speed-adjusting type magnetic coupling, dish moves the heat exchanger rotor again at a slow speed; The gap that after rotating a few, reduces permanent magnetic speed-adjusting type magnetic coupling is to normal value, thereby the reverse full speed that realizes the heat exchanger rotor is rotated.The difference of two systems is that basic model can realize through auxiliary-motor, and perfect form then can use arbitrary motor.
(6) perfect form design system can be used on shroud type of drive and centre-driven mode, need not to be provided with two sets of plan.When the centre-driven mode, permanent magnetic speed-adjusting type magnetic coupling needs and regulates actuator to cooperate, and prolongs and starts governing time, reduces the startup impulsive force of reductor.On the shroud type of drive, then can directly use single gap set point, quicken the buffer time startup according to fixing startup.
Description of drawings
Fig. 1 is the schematic diagram of shroud type of drive rotary type heat exchanger drive system;
Fig. 2 is the schematic diagram of centre-driven mode rotary type heat exchanger drive system;
Fig. 3 is the structural representation of rotary type heat exchanger shroud drive system;
Fig. 4 is the structural representation of rotary type heat exchanger centre-driven system;
Fig. 5 is the structural representation of basic model rotary type heat exchanger drive system;
Fig. 6 is the structural representation of perfect form rotary type heat exchanger drive system.
Description of reference numerals
1 is rotor, and 2 are rotating shaft, and 3 is upper bearing, and 4 is lower bearing, and 5 is the top beam, and 6 is on the lower beam; 7 is first reductor, and 8 is the reductor carriage, and 9 is travelling gear, and 10 for the transmission shroud, 11 be about steel loop, 12 is bearing pin; 13 is supporting seat, and 14 is the extension, top, and 15 is the extension, bottom, and 16 is second reductor, and 21 is the first main motor, and 22 is fluid coupling; 23 is freewheel clutch, and 24 is auxilliary reductor, and 25 is first auxiliary-motor, and 26 are the auxilliary reductor of main transmission, and 27 are the auxilliary reductor of auxiliary driving, and 28 is frequency-variable controller; 30 is the 3rd reductor, and 31 is the second main motor, and 32 is first coupling device, and 33 is second coupling device, and 34 is the permanent-magnet coupler, and 35 is magnet; 36 is manually to coil, and 37 is actuating motor, and 38 for regulating actuator, and 39 is conductor disc, and 40 is permanent magnetic speed-adjusting type magnetic coupling, and 41 is brake; 42 is shaft joint, and 43 is second auxiliary-motor, and 44 is control cabinet, and 45 is the rotor velocity-measuring system, and 46 is power supply.
Embodiment
For making the present invention more obviously understandable, now with preferred embodiment, and conjunction with figs. elaborates as follows.
As shown in Figure 5, be the structural representation of basic model rotary type heat exchanger drive system.The present invention is a kind of drive system of rotary type heat exchanger; One end of the 3rd reductor 30 is connected with an end of the first magnetic force coupling device 32; The other end of the first magnetic force coupling device 32 is connected with the round end of the second main motor 31; The other end of the second main motor 31 is connected with control cabinet 44, and the other end of the 3rd reductor 30 is connected with an end of the second magnetic force coupling device 33, and the other end of the second magnetic force coupling device 33 is connected with the round end of second auxiliary-motor 43; The other end of second auxiliary-motor 43 is connected with control cabinet 44, and control cabinet 44 is connected with rotor velocity-measuring system 45, power supply 46.Can realize that through control cabinet 44 the on-line replacing heat exchanger turns to.The second magnetic force coupling device 33 comprises brake 41; One side of brake 41 is provided with shaft joint 42; The opposite side of brake 41 is provided with permanent magnetic speed-adjusting type magnetic coupling 40, is provided with conductor disc 39 in the permanent magnetic speed-adjusting type magnetic coupling 40, and permanent magnetic speed-adjusting type magnetic coupling 40 is provided with magnet 35; Conductor disc 39 with regulate actuator 38 and be connected, adjusting actuator 38 comprises manual dish 36, actuating motor 37.The first magnetic force coupling device 32 is that permanent-magnet coupler 34, the second main motors 31 are identical with the power of second auxiliary-motor 43.
The present invention has used on actual engineering and had verified, and with time enough operation test, has excellent application value and prospect.
(1) start protection: the basic model design, realize that through permanent-magnet coupler 34 and magnet 35 gaps of setting main motor side this gap is controlled in 1～10mm scope, can realize starting the accelerating time is 10～50s, setting this gap usually is 2～5mm.To the centre-driven mode, the present invention is with changing permanent magnetic speed-adjusting type magnetic coupling 40 between starter motor and the 3rd reductor 30, and above-mentioned gap needs progressively to narrow down to about 1～3mm from 10～20mm with actuator, and adjustment process was generally more than 0.5 minute.
(2) regulate heat exchanger rotor speed: rely on permanent magnetic speed-adjusting type magnetic coupling 40; If the heat exchanger rotor only need be at several fixing rotary speed workings; Can the conductor disc 39 of permanent magnetic speed-adjusting type magnetic coupling 40 be set several value corresponding with magnet 35 gap data; Because the output speed of permanent magnetic speed-adjusting type magnetic coupling 40 is relevant with its power bracket, also with its structurally associated, output speed and conductor disc 39 are provided by magnetic coupling production company with the relation in magnet 35 gaps; Set in view of the above the heat exchanger rotor normal rotation, water flushing, low speed jiggering, stop and the velocity of rotation when other functional requirement is arranged; These gaps can use adjusting actuator 38 to regulate, and simple method is to set motor rotation time or the position of regulating actuator 38, and is corresponding with these output speeds that need.
(3) not transfer of motor function realizes: to base model system, auxiliary-motor 43 can be accomplished not transfer fully, and to the perfect form system, the non operating state motor can be accomplished not transfer arbitrarily.The permanent magnetic speed-adjusting type magnetic coupling 40 of work drive motor side is not moved conductor disc 39 and magnet 35 gaps to the maximum position that allows with regulating actuator 38, connect the power supply of brake 41 behind the certain hour, and non-so not work drive motor is not transfer fully just.
(4) major-minor switching: major-minor switching is sent instruction by steam generator system DCS; After former work drive motor loses power supply in 0～3 minute; Permanent magnetic speed-adjusting type magnetic coupling 40 inner wire dishes 39 are transferred to the starting state gap with magnet 35 gaps, connect another motor power, have just accomplished the switching of motor.
(5) on-line replacing motor: to base model system, can on-line replacing auxiliary-motor 43.After brake 41 is accomplished braking, take shaft joint 42 apart and can the fault motor be thrown off field-strip.The motor of repairing or renewing can be loaded onto again, only need and the rigging position basically identical of original motor just can, needn't excessively check the axiality (but axiality can not greater than 5mm) of motor and reductor power shaft.
(6) online change heat exchanger rotor turns to: this function realizes through local control box 44, notices that the 3rd reductor 30 internal mechanicals design of being selected for use needs to guarantee to allow counter-rotating.After cutting off the work at present motor power; The motor steering control element should change the steering mode of major-minor motor simultaneously in the control cabinet 44; The adjusting actuator 38 of work drive motor side is transferred to conductor disc 39 and magnet 35 gaps more than the 10mm; And guarantee that brake 41 is a releasing orientation; Receiving that tach signal that rotor velocity-measuring system 45 transmits is lower than 0.1 and changes back about 3 minutes (preferably add artificial confirm) complete stall of rotor, starter motor starts drive system, after keeping rotor rotation and being not less than 1 circle; Progressively turn conductor disc 39 and magnet 35 gaps down 1～3mm (specifically according to magnetic coupling producer numerical value) with regulating actuator 38, realize that the reverse full speed of heat exchanger rotor is rotated.
As shown in Figure 6, be the structural representation of perfect form rotary type heat exchanger drive system.The present invention is a kind of drive system of rotary type heat exchanger, and the first magnetic force coupling device 32 is the second magnetic force coupling device 33.With the difference of plain edition system (being the basic model rotary type heat exchanger drive system among the embodiment 1) be that native system is regardless of major-minor and drives; Only be to change the magnetic coupling 34 of basic model master driving side into permanent magnetic speed-adjusting type magnetic coupling 40; And the corresponding actuator 38 (containing actuating motor 37 and manual dish 36) of regulating of configuration, other composition is identical with the plain edition system.
The present invention has used on actual engineering and had verified, and with time enough operation test, has excellent application value and prospect.
(1) starts protection: the design of perfect form; Permanent-magnet coupler 34 through setting main motor side or the conductor disc of permanent magnetic speed-adjusting type magnetic coupling 40 39 realize with magnet 35 gaps; This gap is controlled in 1～10mm scope; Can realize starting the accelerating time is 10～50s, and setting this gap usually is 2～5mm.To the centre-driven mode, the present invention is with changing permanent magnetic speed-adjusting type magnetic coupling 40 between starter motor and the 3rd reductor 30, and above-mentioned gap needs progressively to narrow down to about 1～3mm from 10～20mm with actuator, and adjustment process was generally more than 0.5 minute.
(2) regulate heat exchanger rotor speed: rely on permanent magnetic speed-adjusting type magnetic coupling 40; If the heat exchanger rotor only need be at several fixing rotary speed workings; Can the conductor disc 39 of permanent magnetic speed-adjusting type magnetic coupling 40 be set several value corresponding with magnet 35 gap data; Because the output speed of permanent magnetic speed-adjusting type magnetic coupling 40 is relevant with its power bracket, also with its structurally associated, output speed and conductor disc 39 are provided by magnetic coupling production company with the relation in magnet 35 gaps; Set in view of the above the heat exchanger rotor normal rotation, water flushing, low speed jiggering, stop and the velocity of rotation when other functional requirement is arranged; These gaps can use adjusting actuator 38 to regulate, and simple method is to set motor rotation time or the position of regulating actuator 38, and is corresponding with these output speeds that need.
(3) not transfer of motor function realizes: to the perfect form system, the non operating state motor can be accomplished not transfer arbitrarily.The permanent magnetic speed-adjusting type magnetic coupling 40 of work drive motor side is not moved conductor disc 39 and magnet 35 gaps to the maximum position that allows with regulating actuator 38, connect the power supply of brake 41 behind the certain hour, and non-so not work drive motor is not transfer fully just.
(4) major-minor switching: major-minor switching is sent instruction by steam generator system DCS; After former work drive motor loses power supply in 0～3 minute; Permanent magnetic speed-adjusting type magnetic coupling 40 inner wire dishes 39 are transferred to the starting state gap with magnet 35 gaps, connect another motor power, have just accomplished the switching of motor.
(5) on-line replacing motor: to perfect form, main motor 31 all can be realized with auxiliary-motor 43.After brake 41 is accomplished braking, take shaft joint 42 apart and can the fault motor be thrown off field-strip.The motor of repairing or renewing can be loaded onto again, only need and the rigging position basically identical of original motor just can, needn't excessively check the axiality (but axiality can not greater than 5mm) of motor and reductor power shaft.
(6) online change heat exchanger rotor turns to: this function realizes through local control box 44, notices that the 3rd reductor 30 internal mechanicals design of being selected for use needs to guarantee to allow counter-rotating.After cutting off the work at present motor power; The motor steering control element should change the steering mode of major-minor motor simultaneously in the control cabinet 44; The adjusting actuator 38 of work drive motor side is transferred to conductor disc 39 and magnet 35 gaps more than the 10mm; And guarantee that brake 41 is a releasing orientation; Receiving that tach signal that rotor velocity-measuring system 45 transmits is lower than 0.1 and changes back about 3 minutes (preferably add artificial confirm) complete stall of rotor, starter motor starts drive system, after keeping rotor rotation and being not less than 1 circle; Progressively turn conductor disc 39 and magnet 35 gaps down 1～3mm (specifically according to magnetic coupling producer numerical value) with regulating actuator 38, realize that the reverse full speed of heat exchanger rotor is rotated.
Claims (6)
1. the drive system of a rotary type heat exchanger; Comprise the 3rd reductor (30); It is characterized in that; One end of described the 3rd reductor (30) is connected with an end of the first magnetic force coupling device (32), and the other end of the first magnetic force coupling device (32) is connected with the round end of the second main motor (31), and the other end of the second main motor (31) is connected with control cabinet (44); The other end of the 3rd reductor (30) is connected with an end of the second magnetic force coupling device (33); The other end of the second magnetic force coupling device (33) is connected with the round end of second auxiliary-motor (43), and the other end of second auxiliary-motor (43) is connected with control cabinet (44), and control cabinet (44) is connected with rotor velocity-measuring system (45), power supply (46).
2. the drive system of a kind of rotary type heat exchanger as claimed in claim 1; It is characterized in that; The described second magnetic force coupling device (33) comprises brake (41), and a side of brake (41) is provided with shaft joint (42), and the opposite side of brake (41) is provided with permanent magnetic speed-adjusting type magnetic coupling (40); Be provided with conductor disc (39) in the permanent magnetic speed-adjusting type magnetic coupling (40); Permanent magnetic speed-adjusting type magnetic coupling (40) is provided with magnet (35), and conductor disc (39) is connected with adjusting actuator (38), regulates actuator (38) and comprises manual dish (36), actuating motor (37).
3. the drive system of a kind of rotary type heat exchanger as claimed in claim 2 is characterized in that, the interstice coverage between described conductor disc (39) and the magnet (35) is 1～10mm, realizes that starting the accelerating time is 10～50s.
4. the drive system of a kind of rotary type heat exchanger as claimed in claim 3 is characterized in that, the interstice coverage between described conductor disc (39) and the magnet (35) is generally 2～5mm.
5. the drive system of a kind of rotary type heat exchanger as claimed in claim 1 is characterized in that, the described first magnetic force coupling device (32) is the permanent-magnet coupler (34) or the second magnetic force coupling device (33).
6. the drive system of a kind of rotary type heat exchanger as claimed in claim 1 is characterized in that, the described second main motor (31) is identical with the power of second auxiliary-motor (43).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210236954.3A CN102751845B (en) | 2012-07-09 | 2012-07-09 | Transmission system of rotary-type heat exchanger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210236954.3A CN102751845B (en) | 2012-07-09 | 2012-07-09 | Transmission system of rotary-type heat exchanger |
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| CN102751845A true CN102751845A (en) | 2012-10-24 |
| CN102751845B CN102751845B (en) | 2014-04-09 |
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| CN201210236954.3A Active CN102751845B (en) | 2012-07-09 | 2012-07-09 | Transmission system of rotary-type heat exchanger |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102969944A (en) * | 2012-11-05 | 2013-03-13 | 无锡新大力电机有限公司 | High load motor starter |
| CN104864408A (en) * | 2015-05-20 | 2015-08-26 | 大唐国际发电股份有限公司陡河发电厂 | Maintenance method for motor of vertically-arranged rotary air pre-heater in thermal power plant |
| CN105449924A (en) * | 2014-09-22 | 2016-03-30 | 格拉尔德·黑亨贝格尔 | Powertrain system for energy acquisition device |
| CN107302283A (en) * | 2015-07-14 | 2017-10-27 | 国电龙源节能技术有限公司 | Load speed switching equipment including permanent magnetic speed-adjusting unit and power frequency rotating speed unit |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050284674A1 (en) * | 2002-04-29 | 2005-12-29 | Achim Menne | Hybrid drive system comprising a hydrodynamic clutch particularly for motor vehicles |
| CN201113759Y (en) * | 2006-05-26 | 2008-09-10 | 广州广重企业集团有限公司 | Magnetic force coupling gearing device |
| CN201297373Y (en) * | 2008-09-27 | 2009-08-26 | 陕西科技大学 | Mechanical reduction gear with controllable starting |
| US7931107B2 (en) * | 2009-02-02 | 2011-04-26 | Jones Jr John | Vehicle kinetic energy utilization transmission system |
-
2012
- 2012-07-09 CN CN201210236954.3A patent/CN102751845B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050284674A1 (en) * | 2002-04-29 | 2005-12-29 | Achim Menne | Hybrid drive system comprising a hydrodynamic clutch particularly for motor vehicles |
| CN201113759Y (en) * | 2006-05-26 | 2008-09-10 | 广州广重企业集团有限公司 | Magnetic force coupling gearing device |
| CN201297373Y (en) * | 2008-09-27 | 2009-08-26 | 陕西科技大学 | Mechanical reduction gear with controllable starting |
| US7931107B2 (en) * | 2009-02-02 | 2011-04-26 | Jones Jr John | Vehicle kinetic energy utilization transmission system |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102969944A (en) * | 2012-11-05 | 2013-03-13 | 无锡新大力电机有限公司 | High load motor starter |
| CN102969944B (en) * | 2012-11-05 | 2016-05-11 | 无锡新大力电机有限公司 | A kind of high capacity motor starter |
| CN105449924A (en) * | 2014-09-22 | 2016-03-30 | 格拉尔德·黑亨贝格尔 | Powertrain system for energy acquisition device |
| CN104864408A (en) * | 2015-05-20 | 2015-08-26 | 大唐国际发电股份有限公司陡河发电厂 | Maintenance method for motor of vertically-arranged rotary air pre-heater in thermal power plant |
| CN104864408B (en) * | 2015-05-20 | 2017-03-15 | 大唐国际发电股份有限公司陡河发电厂 | Thermal power plant is arranged vertically rotary regenerative air heater electrical machmary maintenance method |
| CN107302283A (en) * | 2015-07-14 | 2017-10-27 | 国电龙源节能技术有限公司 | Load speed switching equipment including permanent magnetic speed-adjusting unit and power frequency rotating speed unit |
| CN107302283B (en) * | 2015-07-14 | 2019-05-17 | 国电龙源节能技术有限公司 | Load speed switching equipment including permanent magnetic speed-adjusting unit and power frequency revolving speed unit |
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| CN102751845B (en) | 2014-04-09 |
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