CN218270163U - Stirring device with temperature measurement function and vacuum melting furnace - Google Patents

Abstract

The utility model provides a stirring device with temperature measuring function and a vacuum melting furnace using the stirring device; the stirring device comprises: a stirring component and a temperature measuring component; the stirring subassembly includes: the stirring shaft is used for driving a stirring rotating motor for rotating the stirring shaft and stirring slurry fixed at the lower end of the stirring shaft, and the stirring slurry is arranged in a vacuum shell of the vacuum smelting furnace; the temperature measurement subassembly includes: control that temperature measurement spare and temperature measurement spare are connected, temperature measurement spare is partial body at least and sets up on the (mixing) shaft is arranged in vacuum shell partial axis body, temperature measurement spare is used for the inside temperature of real-time supervision vacuum melting furnace, control be used for with the controller communication connection of vacuum melting furnace, the stirring rotating electrical machines drives the (mixing) shaft and rotates, the (mixing) shaft drives the stirring rake and carries out real-time motion, the stirring rake stirs the gas of smelting in the stove shell, the thermocouple of being convenient for carries out real-time temperature monitoring to the gas of co-altitude in the stove shell of smelting, improve the persuasion of the data of thermocouple monitoring.

Description

Stirring device with temperature measurement function and vacuum melting furnace

Technical Field

The utility model relates to a non ferrous metal processing field particularly, especially relates to an agitating unit and vacuum melting furnace with temperature measurement function.

Background

With the development of non-ferrous metal manufacturing industry, a vacuum smelting furnace is developed immediately afterwards, because the induction heating process of the vacuum smelting furnace is mainly realized by means of electromagnetic induction diathermy and heat transmission, non-ferrous metal materials can be heated to the expected depth and temperature in a short time, and in the induction heating process of the vacuum smelting furnace, energy is transmitted in the form of electromagnetic waves, so that the external influence is small, the energy diffusion is less, and the heating efficiency is improved; the energy source for heating the vacuum melting furnace is mainly electric energy, harmful gas and other pollutants are not generated in the heating process, and the vacuum melting furnace belongs to a novel clean energy type and is widely used;

however, the temperature in the vacuum melting furnace needs to be monitored in real time during the operation of the conventional vacuum melting furnace, and the temperature measuring element is usually fixed in the vacuum melting furnace, so that the temperature measuring element can only monitor the local temperature in the vacuum melting furnace, and the monitored data cannot accurately indicate the temperature in the reaction furnace.

Disclosure of Invention

In view of the above-mentioned technical problems, an agitating apparatus and a vacuum melting furnace having a temperature measuring function are provided. The utility model discloses mainly utilize through setting up temperature measurement component on to the vacuum melting furnace agitating unit, and then the temperature in can real-time monitoring stove.

The utility model discloses a technical means as follows:

a stirring device with temperature measurement function comprises: the stirring assembly and the temperature measuring assembly;

the stirring subassembly includes: the stirring shaft is used for driving a stirring rotating motor for rotating the stirring shaft and stirring slurry fixed at the lower end of the stirring shaft, and the stirring slurry is arranged in a vacuum shell of the vacuum smelting furnace;

the temperature measurement component comprises: the temperature measuring part (adopting a thermocouple) is connected with a control part (integrated with a conductive slip ring) which is connected with the temperature measuring part, at least part of the body of the temperature measuring part is arranged on a part of a shaft body of the stirring shaft arranged in the vacuum shell, the temperature measuring part is used for monitoring the internal temperature of the vacuum smelting furnace in real time, and the control part is used for being in communication connection with a controller of the vacuum smelting furnace.

Further, in the above-mentioned case,

the stirring device further includes: the adjusting mechanism is used for adjusting the length of the stirring shaft extending into the vacuum shell of the vacuum smelting furnace:

the above-mentioned adjustment mechanism includes: the lifting bracket is used for fixing the support frame with a smelting furnace shell of the vacuum smelting furnace, the linear sliding table module is fixed on the support frame, and the lifting bracket is fixed on a sliding table of the linear sliding table module;

the stirring rotating motor is fixed on the lifting bracket, and the stirring shaft moves along with the stirring rotating motor;

the sliding table module is driven by a motor.

In a further aspect of the present invention,

the matching part of the stirring shaft and a vacuum shell (a part of a smelting furnace shell) of the vacuum smelting furnace is sealed by a first vacuum sealing element, and the stirring shaft penetrates through the first vacuum sealing element and can freely rotate around the central axis of the first vacuum sealing element;

the stirring rotating motor is a shaft-hung motor, and the shaft body of the part of the upper part of the stirring shaft extending out of the upper end of the stirring rotating motor is covered and sealed by a second vacuum sealing element;

the control member is fixed to the second vacuum sealing member.

A vacuum melting furnace comprising: the stirring device comprises a smelting mechanism arranged inside the smelting furnace shell, a vacuum pump arranged outside the smelting furnace shell and used for pumping gas inside the smelting furnace shell, and an inflation mechanism arranged outside the smelting furnace shell and used for feeding hydrogen into the smelting furnace shell.

Further, in the above-mentioned case,

the smelting mechanism comprises: the crucible smelting device comprises a smelting platform, an insulating shell, a crucible and a plurality of coils, wherein the insulating shell is fixedly installed at the top end of the smelting platform, the crucible is installed inside the insulating shell, and the plurality of coils are wound and connected on the outer side of the crucible;

the smelting platform is fixed with the interior of the smelting furnace shell, and the insulating shell is fixed on the smelting platform.

In a further aspect of the present invention,

the inflation mechanism includes: the device comprises an air supply pipeline, an air pump, an air taking pipeline and a hydrogen tank;

the gas inlet of the air pump is fixedly communicated with a gas taking pipeline, one end, far away from the air pump, of the gas taking pipeline is fixedly communicated with a hydrogen tank, the gas outlet of the air pump is fixedly communicated with a gas supply pipeline, one end, far away from the air pump, of the gas supply pipeline is fixed on one side, adjacent to the smelting furnace shell, of the smelting furnace shell, and the gas supply pipeline is communicated with a smelting chamber inside the smelting furnace shell.

Compared with the prior art, the utility model has the advantages of it is following:

1. the part of the stirring device extending into the furnace body is separately provided with a temperature measuring component, so that the temperature in the furnace can be monitored in real time.

2. The stirring device has up-and-down adjusting capability, so that the temperature of the gas in the furnace can be monitored more comprehensively.

Drawings

In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a stirring device with a temperature measuring function.

FIG. 2 is a view showing the overall layout of a vacuum melting furnace to which the stirring apparatus is applied.

Fig. 3 is a schematic structural diagram of a melting mechanism of the vacuum melting furnace.

Fig. 4 is a schematic structural diagram of an air charging mechanism of the vacuum melting furnace.

In the figure:

1. smelting a furnace shell; 2. a vacuum pump; 3. an exhaust duct; 4. extracting a pipeline;

5. an inflation mechanism; 51. an air supply duct; 52. an air pump; 53. a gas taking pipeline; 54. a hydrogen tank;

6. a stirring device; 601. a sliding table module; 602. a support frame, 603 motor; 604. a lifting bracket; 605. a stirring shaft; 606. a stirring rotating motor; 607. stirring the slurry; 608. a temperature measuring part; 609. a vacuum shell; 610. a first vacuum seal; 611. a second vacuum seal; 612. a control member;

7. a smelting mechanism; 71. a smelting platform; 72. an insulating case; 73. a crucible; 74. and a coil.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below 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 work belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the 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 that are known by one of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. Any specific values in all examples shown and discussed herein are to be construed as exemplary only and not as 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, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element in question must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

For ease of description, spatially relative terms such as "over 8230," "upper surface," "above," and the like may be used herein to describe the spatial positional relationship of one device or feature to other devices or features 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 terms "at 8230; \8230; above" may include both orientations "at 8230; \8230; above" and "at 8230; \8230; below". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

As shown in fig. 1, the utility model provides an agitating unit with temperature measurement function, agitating unit includes: a stirring component and a temperature measuring component;

the stirring subassembly includes: the stirring shaft 605, a stirring rotating motor 606 for driving the stirring shaft 605 to rotate and a stirring paddle 607 fixed at the lower end of the stirring shaft 605, wherein the stirring paddle 607 is arranged in a vacuum shell 609 of the vacuum smelting furnace;

the temperature measurement component comprises: the temperature measuring part 608 (adopting a thermocouple) is connected with a control part 612 (integrating a conductive slip ring) of the temperature measuring part 608, at least part of the body of the temperature measuring part is arranged on the stirring shaft 605 which is arranged in the vacuum shell 609, the temperature measuring part 608 is used for monitoring the internal temperature of the vacuum smelting furnace in real time, and the control part 612 is used for being in communication connection with a controller of the vacuum smelting furnace.

Further, in the above-mentioned case,

the stirring device further includes: an adjusting mechanism for adjusting the length of the stirring shaft 605 extending into the vacuum shell of the vacuum melting furnace:

the above-mentioned adjustment mechanism includes: a supporting frame 602 for fixing with the smelting furnace shell 1 of the vacuum smelting furnace, a linear sliding table module 601 fixed on the supporting frame 602, and a lifting bracket 604 fixed on the sliding table of the linear sliding table module 601;

the stirring rotation motor 606 is fixed to the lifting bracket 604, and the stirring shaft 605 moves along with the stirring rotation motor 606;

the sliding table module 601 is driven by a motor 603.

Further, in the above-mentioned case,

the portion of the stirring shaft 605 engaged with a vacuum shell 609 (a part of a furnace shell) of the vacuum melting furnace is sealed by a first vacuum seal 610, and the stirring shaft 605 penetrates the first vacuum seal 610 and is capable of freely rotating around the central axis thereof;

the stirring rotating motor 606 is a spindle motor, and a shaft body of a part of the upper part of the stirring shaft 605 extending out of the upper end of the stirring rotating motor 606 is covered and sealed by a second vacuum sealing element 611;

the control member 612 is fixed to the second vacuum seal 611.

The process that the (mixing) shaft goes up and down (motor 603 drive slip table module 601's slip table and then drive lift bracket 604, lift bracket 604 drives stirring rotating electrical machines 606, and then (mixing) shaft 605 follow-up) drives stirring rake and thermocouple (temperature measurement piece 608) and carries out the simultaneous movement, start after thermocouple (temperature measurement piece 608) circular telegram, thermocouple (temperature measurement piece 608) carries out real-time supervision to the temperature in smelting the stove outer covering 1, start after stirring rotating electrical machines circular telegram, stirring rotating electrical machines 606 drives (mixing) shaft 605 and carries out the simultaneous movement, stirring shaft 605 drives stirring rake 607 and carries out the simultaneous movement, stirring rake 607 disturbs the gas on every side, be convenient for the thermocouple to monitor gas on every side.

As shown in fig. 2, a vacuum melting furnace includes: the stirring device comprises a smelting mechanism 7 arranged inside the smelting furnace shell 1, a vacuum pump 2 arranged outside the smelting furnace shell 1 and used for pumping gas inside the smelting furnace shell, and an inflation mechanism 5 arranged outside the smelting furnace shell 1 and used for feeding hydrogen into the smelting furnace shell.

Further, as shown in fig. 3,

the melting mechanism 7 includes: the crucible smelting device comprises a smelting table 71, an insulating shell 72, a crucible 73 and a plurality of coils 74, wherein the insulating shell 72 is fixedly installed at the top end of the smelting table 71, the crucible 73 is installed inside the insulating shell 72, and the plurality of coils 74 are wound and connected on the outer side of the crucible 73;

the melting table 71 is fixed to the inside of the melting furnace casing, and the insulating casing 72 is fixed to the melting table 71.

Further, as shown in fig. 4,

the inflation mechanism 5 includes: an air supply pipe 51, an air pump 52, an air supply pipe 53, and a hydrogen tank 54;

an air inlet of the air pump 52 is fixedly communicated with an air taking pipeline 53, one end, far away from the air pump 52, of the air taking pipeline 53 is fixedly communicated with a hydrogen tank 54, an air outlet of the air pump 52 is fixedly communicated with an air feeding pipeline 51, one end, far away from the air pump 52, of the air feeding pipeline 51 is fixed with one side, adjacent to the smelting furnace shell 1, of the smelting furnace shell 1, and the air feeding pipeline 51 is communicated with a smelting chamber inside the smelting furnace shell 1.

Before nonferrous metal processing, the smelting furnace shell 1 needs to be kept in a vacuum state, the vacuum pump 2 is started after being electrified, the vacuum pump 2 pumps gas in the smelting furnace shell 1 through the pumping pipeline 4, the pumped gas is discharged to the outside through the exhaust pipeline 3, the air pump 52 is started after being electrified, the air pump 52 pumps hydrogen in the hydrogen tank 54 through the gas taking pipeline 53, the pumped hydrogen is conveyed into the smelting furnace shell 1 through the gas feeding pipeline 51, the hydrogen is used as protective gas, a worker places a nonferrous metal raw material in the crucible 73, the coil 74 is started after being electrified, the crucible 73 in the coil 74 generates high temperature, heat radiation of the coil 74 is conducted on the crucible 73, and the crucible 73 processes the nonferrous metal; and then starting the stirring device, driving the stirring paddle 607 and the thermocouple 608 to synchronously move in the lifting process of the stirring shaft 605, starting the thermocouple 608 after electrifying, monitoring the temperature in the smelting furnace shell 1 in real time by the thermocouple 608, starting the stirring rotating motor 606 after electrifying, driving the stirring shaft 605 to synchronously move by the stirring rotating motor 606, driving the stirring paddle 607 to synchronously move by the stirring shaft 605, and disturbing ambient gas by the stirring paddle 607 so as to facilitate the monitoring of the ambient gas by the thermocouple 608.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (6)

1. The utility model provides a agitating unit with temperature measurement function which characterized in that includes: a stirring component and a temperature measuring component;

the stirring subassembly includes: the stirring shaft (605), a stirring rotating motor (606) for driving the stirring shaft (605) to rotate and a stirring paddle (607) fixed at the lower end of the stirring shaft (605), wherein the stirring paddle (607) is arranged in a vacuum shell (609) of the vacuum smelting furnace;

the temperature measurement component comprises: the temperature measuring part (608) is connected with a control part (612) of the temperature measuring part (608), at least part of the body of the temperature measuring part is arranged on a part of a shaft body of a stirring shaft (605) arranged in a vacuum shell (609), the temperature measuring part (608) is used for monitoring the temperature of materials in the vacuum smelting furnace in real time, and the control part (612) is used for being in communication connection with a controller of the vacuum smelting furnace.

2. The stirring device with temperature measuring function as claimed in claim 1,

the stirring device further includes: the adjusting mechanism is used for adjusting the length of the stirring shaft (605) extending into the vacuum shell of the vacuum smelting furnace:

the above-mentioned adjustment mechanism includes: the device comprises a supporting frame (602) used for being fixed with a smelting furnace shell (1) of a vacuum smelting furnace, a linear sliding table module (601) fixed on the supporting frame (602) and a lifting bracket (604) fixed on a sliding table of the linear sliding table module (601);

the stirring rotating motor (606) is fixed on the lifting bracket (604), and the stirring shaft (605) moves along with the stirring rotating motor (606).

3. The stirring device with temperature measuring function as claimed in claim 2,

the part of the stirring shaft (605) which is matched with a vacuum shell (609) of the vacuum melting furnace is sealed by a first vacuum seal (610), and the stirring shaft (605) penetrates through the first vacuum seal (610) and can freely rotate around the central axis of the stirring shaft;

the stirring rotating motor (606) is a shaft-hung motor, and the shaft body of the part, extending out of the upper end of the stirring rotating motor (606), of the upper part of the stirring shaft (605) is covered and sealed by a second vacuum sealing element (611);

the control member (612) is fixed to the second vacuum seal (611).

4. A vacuum melting furnace, comprising: the stirring device as claimed in claim 1 or 3, a smelting mechanism (7) arranged inside the smelting furnace shell (1), a vacuum pump (2) arranged outside the smelting furnace shell (1) for pumping gas inside the smelting furnace shell, and an aerating mechanism (5) arranged outside the smelting furnace shell (1) for feeding hydrogen into the smelting furnace shell.

5. A vacuum smelting furnace according to claim 4,

the melting mechanism (7) includes: the smelting device comprises a smelting platform (71), an insulating shell (72), a crucible (73) and a plurality of coils (74), wherein the insulating shell (72) is fixedly installed at the top end of the smelting platform (71), the crucible (73) is installed inside the insulating shell (72), and the plurality of coils (74) are wound and connected on the outer side of the crucible (73);

the smelting platform (71) is fixed with the interior of the smelting furnace shell, and the insulating shell (72) is fixed on the smelting platform (71).

6. A vacuum smelting furnace according to claim 4 or 5,

the inflation mechanism (5) includes: an air supply pipeline (51), an air pump (52), an air taking pipeline (53) and a hydrogen tank (54);

an air inlet of the air pump (52) is fixedly communicated with an air taking pipeline (53), one end, far away from the air pump (52), of the air taking pipeline (53) is fixedly communicated with a hydrogen tank (54), an air outlet of the air pump (52) is fixedly communicated with an air feeding pipeline (51), one end, far away from the air pump (52), of the air feeding pipeline (51) is fixed to one side, adjacent to the smelting furnace shell (1), and the air feeding pipeline (51) is communicated with a smelting chamber in the smelting furnace shell (1).

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