CN217275626U

CN217275626U - Fixed graphite rotor rotating rod heating furnace

Info

Publication number: CN217275626U
Application number: CN202220085542.3U
Authority: CN
Inventors: 王道全
Original assignee: Jinan Changda Thermotechnical Co ltd
Current assignee: Jinan Changda Thermotechnical Co ltd
Priority date: 2022-01-13
Filing date: 2022-01-13
Publication date: 2022-08-23
Anticipated expiration: 2032-01-13

Abstract

The utility model discloses a fixed graphite rotor rotating rod heating furnace, which comprises an upper furnace body arranged at the upper part, a middle furnace body arranged at the lower part of the upper furnace body, and a lower furnace body arranged at the lower part of the middle furnace body; a lower furnace body argon interface and a lower furnace body thermocouple are arranged on the side wall of the lower furnace body; an upper furnace body argon interface and an upper furnace body thermocouple are arranged on the side wall of the upper furnace body; a circulating fan interface is arranged on the outer side of the upper furnace body; and a heating element is arranged in the middle furnace body. The special heating furnace with the protective gas is adopted to preheat the graphite rotor rotating rod, so that the oxidation problem in the preheating process of the graphite rotor rotating rod is effectively prevented, and the service life of the graphite rotor is prolonged.

Description

Fixed graphite rotor rotating rod heating furnace

Technical Field

The utility model belongs to aluminum alloy casting equipment field, concretely relates to fixed graphite rotor bull stick heating furnace.

Background

The cast aluminum alloy is an aluminum alloy obtained by filling a casting mold with molten metal to form parts blanks in various shapes. The high-strength steel has the advantages of low density, high specific strength, good corrosion resistance and casting manufacturability, small limitation of part structural design and the like. Medium strength alloys based on Al-Si and Al-Si-Mg-Cu; Al-Cu based high strength alloys; corrosion resistant alloys based on Al-Mg; Al-Re-based hot strength alloys. Most require heat treatment for strengthening the alloy, eliminating internal stress in the casting, stabilizing the structure and the size of the part, etc. The method is used for manufacturing beams, gas turbine blades, pump bodies, hangers, hubs, air inlet lips, engine casings and the like. The method is also used for manufacturing parts such as a cylinder cover, a gearbox and a piston of an automobile, a shell of an instrument, a booster pump body and the like.

The cast aluminum alloy has good casting performance and can be made into parts with complex shapes; no bulky additional equipment is required; has the advantages of saving metal, reducing cost, reducing working hours and the like, and is widely applied to the aviation industry and the civil industry.

In the prior art, the graphite rotor rotating rod is preheated for 5-10 minutes by heat emitted by the aluminum liquid above the liquid level of the aluminum liquid before being immersed in the aluminum liquid so as to avoid the influence of sharp cooling and sharp heating on the material, but the graphite rotor rotating rod is easy to oxidize when being preheated so as to gradually reduce the shaft diameter of a rotor shaft until being broken and scrapped, and the service life is obviously shortened.

SUMMERY OF THE UTILITY MODEL

The utility model provides a fixed graphite rotor bull stick heating furnace, the use of this equipment can prevent that the graphite rotor from taking place the oxidation at preheating the in-process, and then the life of extension graphite rotor.

In order to achieve the above purpose, the utility model provides a following technical scheme: a fixed graphite rotor rotating rod heating furnace comprises an upper furnace body arranged at the upper part, a middle furnace body arranged at the lower part of the upper furnace body, and a lower furnace body arranged at the lower part of the middle furnace body; a lower furnace body argon interface and a lower furnace body thermocouple are arranged on the side wall of the lower furnace body; an upper furnace body argon interface and an upper furnace body thermocouple are arranged on the side wall of the upper furnace body; a circulating fan interface is arranged on the outer side of the upper furnace body; and a heating element is arranged in the middle furnace body.

Preferably, a circulating fan interface is arranged on the outer side of the lower furnace body.

Preferably, a furnace body heat insulation material is arranged on the outer side of the heating furnace.

Preferably, a maintenance manhole is installed on the side wall of the lower furnace body.

Preferably, the heating element is a heating wire.

Compared with the prior art, the beneficial effects of the utility model are that: the special heating furnace with the protective gas is adopted to preheat the graphite rotor rotating rod, so that the oxidation problem in the preheating process of the graphite rotor rotating rod is effectively prevented, and the service life of the graphite rotor is prolonged.

Other features of the present disclosure and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the present disclosure or technical solutions in related arts, the drawings used in the description of the embodiments or related arts will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present disclosure, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a perspective view of a heating furnace of the present invention;

FIG. 2 is a sectional view of the heating furnace of the present invention;

in the figure: 1. the furnace comprises an upper furnace body, a middle furnace body, a lower furnace body argon interface, a lower furnace body thermocouple, a lower furnace body argon interface, an upper furnace body argon interface, a lower furnace body thermocouple, an upper furnace body argon interface, a lower furnace body argon interface, an upper furnace body thermocouple, a circulating fan interface, a furnace body heat insulation material, a heating element, a circulating fan interface, a furnace body heat insulation material, a heating element, a circulating fan interface and a maintenance manhole, wherein the furnace body heat insulation material is arranged in the furnace body argon interface, the furnace body argon interface is arranged in the furnace body argon interface, and the circulating fan interface is arranged in the furnace body argon interface.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Unless specifically stated otherwise, the relative arrangement of parts and steps, numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be discussed further in subsequent figures.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Referring to fig. 1-2, the present invention provides a technical solution: a fixed graphite rotor rotating rod heating furnace comprises an upper furnace body 1 arranged at the upper part, a middle furnace body 2 arranged at the lower part of the upper furnace body 1, and a lower furnace body 3 arranged at the lower part of the middle furnace body 2; a lower furnace argon interface 4 and a lower furnace thermocouple 5 are arranged on the side wall of the lower furnace 3; an upper furnace body argon interface 6 and an upper furnace body thermocouple 7 are arranged on the side wall of the upper furnace body 1; a circulating fan interface 8 is arranged on the outer side of the upper furnace body 1; the heating element 10 is arranged in the middle furnace body 2. The outer side of the lower furnace body 3 is provided with a circulating fan interface 8. The outer side of the heating furnace is provided with a furnace body heat insulation material 9. The side wall of the lower furnace body 3 is provided with a maintenance manhole 11. The heating element 10 is a heating wire.

The basic frame of the heating furnace is a cylinder plate rolled by stainless steel, the device is divided into an upper furnace body 1, a middle furnace body 2 and a lower furnace body 3, the middle part is a heating element 10, the side surface of the cylinder body is filled with a furnace body heat insulation material 9, and thermocouples are arranged on the upper furnace body and the lower furnace body to detect the temperature of the furnace body; the two argon interfaces provide argon to the furnace body; the upper furnace body and the lower furnace body are provided with circulating fan interfaces 8 which are connected with a circulating fan, so that the temperature in the furnace bodies can be kept uniform, and the furnace temperature uniformity is good; the equipment work makes the stove be full of the argon gas through the argon gas interface, and the heating element 10 of middle part furnace body heats the argon gas, and circulating fan makes the argon gas circulation in the stove get up and make furnace temperature keep even, and the rotor can be better after putting into from the top preheats the rotor, makes its oxidation degree reduce to the minimum to reach increase of service life's purpose.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fixed graphite rotor bull stick heating furnace which characterized in that: the heating furnace comprises an upper furnace body (1) arranged at the upper part, a middle furnace body (2) is arranged at the lower part of the upper furnace body (1), and a lower furnace body (3) is arranged at the lower part of the middle furnace body (2); a lower furnace body argon interface (4) and a lower furnace body thermocouple (5) are arranged on the side wall of the lower furnace body (3); an upper furnace body argon interface (6) and an upper furnace body thermocouple (7) are arranged on the side wall of the upper furnace body (1); a circulating fan interface (8) is arranged on the outer side of the upper furnace body (1); and a heating element (10) is arranged in the middle furnace body (2).

2. The stationary graphite rotor rotating-rod heating furnace according to claim 1, wherein: and a circulating fan interface (8) is arranged on the outer side of the lower furnace body (3).

3. The fixed graphite rotor rotating-rod heating furnace according to claim 1 or 2, wherein: and a furnace body heat-insulating material (9) is arranged on the outer side of the heating furnace.

4. The stationary graphite rotor rotating-rod heating furnace according to claim 1, wherein: and a maintenance manhole (11) is arranged on the side wall of the lower furnace body (3).

5. The fixed graphite rotor rotating-rod heating furnace according to claim 1, wherein: the heating element (10) is an electric heating wire.