A kind of large directly driven permanent magnet wind generating rotor heating furnace and using method thereof
Technical field
The invention belongs to permanent magnet direct-driving aerogenerator field, be specifically related to a kind of large directly driven permanent magnet wind generating rotor heating furnace and using method thereof.
Background technology
The rotor entering factory is at present the operation of end cap placed face down, and due to rotor height reason, heating furnace cover cannot use with rotor engagement.Just can reach to 55 degrees Celsius after the process rotor magnetic pole temperature of heating needs to be warming up to 6 hours, because heating furnace cover cannot coordinate with rotor, so that average 6 the some non-uniform temperature of rotor pole face, because heating-up temperature is uneven, affect rotor magnetic pole coating quality, affect production efficiency.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of large directly driven permanent magnet wind generating rotor heating furnace, overcomes above-mentioned defect.
For solving the problems of the technologies described above, the invention provides a kind of large directly driven permanent magnet wind generating rotor heating furnace, comprise heating furnace cover and melt pit, described heating furnace cover lid is located on described melt pit, described heating furnace cover comprises heating furnace cover upper body and thermal insulation furnace body, described heating furnace cover upper body comprises caping and bell sidewall, described caping and bell sidewall are structure as a whole, the below of described bell sidewall connects described thermal insulation furnace body, described melt pit is located at below ground, concavely, the bottom of described melt pit is provided with the melt pit support for support rotor, the sidewall of described melt pit is provided with sidewall heat-insulation layer, the bottom of described melt pit is provided with bottom heat-insulation layer, when described heating furnace cover lid is located on described melt pit, the bottom of described thermal insulation furnace body contacts the top of described sidewall heat-insulation layer.
As a kind of preferred version of a kind of large directly driven permanent magnet wind generating rotor heating furnace of the present invention, in described thermal insulation furnace body, use felt seal.
As a kind of preferred version of a kind of large directly driven permanent magnet wind generating rotor heating furnace of the present invention, the height of described thermal insulation furnace body is 1.2 meters.
As a kind of preferred version of a kind of large directly driven permanent magnet wind generating rotor heating furnace of the present invention, described thermal insulation furnace body place offers manhole door.
As a kind of preferred version of a kind of large directly driven permanent magnet wind generating rotor heating furnace of the present invention, the height of described manhole door is 1.1 meters.
As a kind of preferred version of a kind of large directly driven permanent magnet wind generating rotor heating furnace of the present invention, the side-wall outer side of described heating furnace cover is provided with ladder.
As a kind of preferred version of a kind of large directly driven permanent magnet wind generating rotor heating furnace of the present invention, the side-wall outer side of described heating furnace cover is provided with railing.
As a kind of preferred version of a kind of large directly driven permanent magnet wind generating rotor heating furnace of the present invention, described heating furnace also comprises the controller for controlling described heating furnace in-furnace temperature
As a kind of preferred version of a kind of large directly driven permanent magnet wind generating rotor heating furnace of the present invention, described heating furnace also comprises the temperature measurer for monitoring described heating furnace in-furnace temperature.
The present invention also provides a kind of using method of large directly driven permanent magnet wind generating rotor heating furnace, comprising: be first positioned among melt pit by rotor, is then covered on described melt pit by heating furnace cover, heat heating furnace; After described heating furnace heating-up temperature reaches 35 degrees Celsius, described heating furnace cover is removed, stop heating; Complete described rotor injecting glue; Described heating furnace cover is covered on again on described melt pit, 55 degrees Celsius are heated to described heating furnace and complete rotor heating.
Compared with prior art, a kind of large directly driven permanent magnet wind generating rotor heating furnace that the present invention proposes and using method thereof, structure is simple, easy to use, with low cost, safe and reliable, can effectively solve rotor injecting glue complete after potential safety hazard in heating process, improve rotor magnetic pole coating quality, enhance productivity, requirement of improving the quality of products.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.Wherein,
Fig. 1 is the sectional structure schematic diagram of a kind of large directly driven permanent magnet wind generating rotor heating furnace of the present invention.
Wherein: 1 be heating furnace cover, 11 be heating furnace cover upper body, 111 be caping, 112 be bell sidewall, 12 be thermal insulation furnace body, 2 be melt pit, 21 be melt pit support, 22 be sidewall heat-insulation layer, 23 be bottom heat-insulation layer, 3 for rotor.
Embodiment
A kind of large directly driven permanent magnet wind generating rotor heating furnace of the present invention, comprises heating furnace cover 1 and melt pit 2, and described heating furnace cover 1 lid is located on described melt pit 2.
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, and below in conjunction with embodiment, the present invention is further detailed explanation.
First, alleged herein " embodiment " or " embodiment " refers to special characteristic, structure or the characteristic that can be contained at least one implementation of the present invention.Different local in this manual " in one embodiment " occurred not all refers to same embodiment, neither be independent or optionally mutually exclusive with other embodiments embodiment.
Secondly; the present invention utilizes structural representation etc. to be described in detail; when describing the embodiment of the present invention in detail; for ease of explanation; represent that the schematic diagram of large directly driven permanent magnet wind generating rotor heating furnace structure can be disobeyed general ratio and be made partial enlargement; and described schematic diagram is example, it should not limit the scope of protection of the invention at this.In addition, the three dimensions of length, width and the degree of depth should be comprised in actual fabrication.
Embodiment one
Refer to Fig. 1, Fig. 1 is the sectional structure schematic diagram of a kind of large directly driven permanent magnet wind generating rotor heating furnace of the present invention.As shown in Figure 1, large directly driven permanent magnet wind generating rotor heating furnace, comprise heating furnace cover 1 and melt pit 2, described heating furnace cover 1 lid is located on described melt pit 2, described heating furnace cover 1 comprises heating furnace cover upper body 11 and thermal insulation furnace body 12, described heating furnace cover upper body 11 comprises caping 111 and bell sidewall 112, described caping 111 and bell sidewall 112 are structure as a whole, the below of described bell sidewall 112 connects described thermal insulation furnace body 12, described melt pit 2 is located at below ground, concavely, the bottom of described melt pit 2 is provided with the melt pit support 21 for support rotor, the sidewall of described melt pit 21 is provided with sidewall heat-insulation layer 22, the bottom of described melt pit 2 is provided with bottom heat-insulation layer 23, when described heating furnace cover 1 lid is located on described melt pit 2, the bottom of described thermal insulation furnace body 12 contacts the top of described sidewall heat-insulation layer 22.
In one embodiment, in order to improve heat insulation effect, in described thermal insulation furnace body 12, use felt seal.
The height of described thermal insulation furnace body 12 is 1.2 meters.
Conveniently employee passes in and out body of heater maintenance, cleaning or detects, and described thermal insulation furnace body 12 place offers manhole door (not shown), and preferably, the height of described manhole door is 1.1 meters.
In another embodiment, the side-wall outer side of described heating furnace cover 1 is provided with ladder (not shown), is convenient to employee and ascends a height to operation above heating furnace cover 1 and maintenance personal's maintenance.
Ascend a height to caping 111 for the ease of employee and install suspender belt, be convenient to heating furnace cover 1 handling during operation, the side-wall outer side of described heating furnace cover 1 is provided with railing (not shown).
Described heating furnace also comprises the controller (not shown) for controlling described heating furnace in-furnace temperature and the temperature measurer (not shown) for monitoring described heating furnace in-furnace temperature.Temperature measurer by the Temperature displaying in stove, by operating personnel's tuning up or turning down according to in-furnace temperature regulable control instrument.
The using method of above-mentioned heating furnace, comprising: be first positioned among melt pit 2 by rotor 3, is then covered on described melt pit 2 by heating furnace cover 1, heats heating furnace; After described heating furnace heating-up temperature reaches 35 degrees Celsius, described heating furnace cover 1 is removed, stop heating; Complete described rotor 3 injecting glue; Described heating furnace cover 1 is covered on again on described melt pit 2,55 degrees Celsius are heated to described heating furnace and complete rotor 3 and heat.
Principle of the present invention is: carry out magnetic pole protection process operations after the rotor magnetic steel of institute's organic type machinery fixed work order completes, and when needing preheating before rotor 3 injecting glue, stops heating when preheat temperature reaches 30 degrees Celsius-35 degrees Celsius; To the rotor 3 of injecting glue be needed to hang in melt pit 2, now heating furnace cover 1 is hung in melt pit 2 and cover rotor 3 and heat, stop heating when rotor 3 temperature reaches 35 degrees Celsius, remove heating furnace cover 1.Start to carry out injecting glue operation to rotor 3, after injecting glue operation completes, heating furnace cover 1 is hung on melt pit 2, cover rotor 3 and carry out heating operation.When reaching 55 degrees Celsius after 2 hours, firing equipment automatically stops heating and carries out insulation 6.5 hours.After temperature retention time was more than 6.5 hours, closes heating furnace power supply stops heating.Finally winch to and remove heating furnace cover 1, remove the surperficial all coating of rotor 3, check magnetic pole coating quality.
What the those of ordinary skill in affiliated field should be understood that is, one of feature of the present invention or object are: structure is simple, easy to use, with low cost, safe and reliable, can effectively solve rotor injecting glue complete after potential safety hazard in heating process, improve rotor magnetic pole coating quality, enhance productivity, requirement of improving the quality of products.
It should be noted that, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.