CN215002912U - Gas-based reduction simulation furnace - Google Patents
Gas-based reduction simulation furnace Download PDFInfo
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- CN215002912U CN215002912U CN202120268995.5U CN202120268995U CN215002912U CN 215002912 U CN215002912 U CN 215002912U CN 202120268995 U CN202120268995 U CN 202120268995U CN 215002912 U CN215002912 U CN 215002912U
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Abstract
The utility model discloses a gas-based reduction simulation furnace belongs to high temperature laboratory gas-based thermal simulation experiment technical field, has solved the lower problem of material secondary oxidation, the accuracy of experimental result after the reduction among the prior art. The utility model discloses a simulation stove includes reduction furnace, protector, cooler and protection air feed unit, and protection air feed unit and protector intercommunication, experiment material are arranged in the reduction furnace, and the opening of protector sets up down, and the top of reducing furnace is located to the protector knot, and the experiment material after the reduction shifts out from the reduction furnace and gets into the protector conveying to the cooler. The utility model discloses a simulation stove can be used to the gas base reduction simulation.
Description
Technical Field
The utility model belongs to the technical field of high temperature laboratory gas-based thermal simulation experiment, concretely relates to gas-based reduction simulation furnace.
Background
The material is reduced by adopting a high-temperature reduction experimental furnace, and because the temperature of the reduced material is higher and oxidation reaction is easy to occur, the reduced material needs to be subjected to atmosphere protection.
When the existing gas-based reduction furnace needs to be cooled, a high-temperature sample is directly taken out and then placed into a crucible or a container in non-oxidizing atmosphere, and the reduced material is taken out from the reduction furnace and is in contact with air in the process of being fed into the crucible, so that the atmosphere protection of the material in the discharging and feeding processes cannot be guaranteed in all directions, secondary oxidation of the material is easily caused, and the accuracy of an experimental result is low.
SUMMERY OF THE UTILITY MODEL
In view of the above analysis, the utility model aims at providing a gas-based reduction simulation furnace has solved the lower problem of the accuracy of material secondary oxidation, experimental result after the reduction among the prior art.
The purpose of the utility model is mainly realized through the following technical scheme:
the utility model provides a gas-based reduction simulation furnace, including reduction furnace, protector, cooler and protection air feed unit, protection air feed unit and protector intercommunication for the protector provides the protective gas, the protective gas in the protector is the malleation. The experimental material is placed in a reduction furnace, an opening of a protector is arranged downwards, and the protector is buckled at the top end of the reduction furnace; from the reduction furnace to the cooler, the reduced experimental material is positioned in the protective gas of the protector; the reduced test material is removed from the reduction furnace into a protector and transferred to a cooler under the protection of the protector.
Further, the protective gas is one or a mixture of more of nitrogen, argon and carbon dioxide in any proportion.
Further, the protection gas supply unit is also communicated with the cooler and is also used for providing protection gas for the cooler.
Furthermore, the side wall of the cooler is provided with a plurality of cooling air inlets along the radial direction, and the cooling air inlets are connected with the protection air supply unit through connecting pipes.
Further, the gas-based reduction simulation furnace further comprises a hoisting device, and the protector and the experimental material are sequentially hoisted below the hoisting device.
Furthermore, the protector is hung below the hoisting device through a protector hoisting wire.
Furthermore, the protector is in an inverted cylindrical shape, the bottom end of the protector is an opening end, the top end of the protector is a closed surface, a protector through hole is formed in the center of the top end, and the diameter of the protector through hole is larger than the outer diameter of the protector suspension wire.
Furthermore, a plurality of protective air inlets are formed in the side wall of the protector along the radial direction, and the protective air inlets are connected with the protective air supply unit through connecting pipes.
Further, the reduction furnace comprises a charging basket, a furnace tube, a furnace shell, a heating body and a temperature controller connected with the heating body; from inside to outside, charging basket, furnace tube, heating member and stove outer covering set gradually, and the charging basket is located the furnace tube and hangs through the charging basket sling and locates the below of hoist and mount ware and protective gas, and the one end of charging basket sling is connected with the charging basket, and the other end of charging basket sling passes the protector after and is connected with the hoist and mount ware, and the experiment material is arranged in the charging basket, and the heating member is located between furnace tube and the stove outer covering.
Further, the reduction furnace also comprises a reduction gas supply unit, the furnace tube is provided with a reduction gas inlet and a reduction gas outlet, and the reduction gas inlet is connected with the reduction gas supply unit.
Furthermore, the reduction air inlet is arranged at the bottom end of the furnace tube, and the reduction air outlet is arranged at the top end of the furnace tube.
Further, the inner wall of the furnace shell is provided with an insulating layer.
Furthermore, the reduction furnace further comprises a sealing flange, the sealing flange comprises an upper flange and a lower flange detachably connected with the upper flange, the lower flange is fixedly connected with the top end of the furnace tube, the upper flange cover is arranged at the top end of the furnace tube, the charging basket moves upwards, the upper flange cover is arranged at the top end of the charging basket, and the charging basket and the upper flange are moved out of the reduction furnace together and enter the protector.
Furthermore, an upper flange through hole is formed in the upper flange, and the charging basket suspension wires sequentially penetrate through the upper flange and the protector and then are connected with the hoisting device.
Furthermore, the reduction furnace also comprises a reduction support, and the furnace tube, the heating body, the heat insulation layer and the furnace shell are all erected on the reduction support.
Further, the reduction support comprises a reduction top plate, a reduction intermediate plate, a reduction bottom plate and a reduction connecting plate, the reduction top plate, the reduction intermediate plate and the reduction bottom plate are sequentially arranged from top to bottom and are connected through the reduction connecting plate along the vertical direction, the heating body, the heat preservation layer and the furnace shell are all arranged on the reduction intermediate plate, a gap is formed between the reduction intermediate plate and the reduction bottom plate, and the bottom end of the furnace tube penetrates through the reduction intermediate plate.
Furthermore, the reduction top plate is arranged in a top plate through hole concentric with the furnace tube, the diameter of the top plate through hole is larger than the outer diameter of the furnace tube, and the diameter of the top plate through hole is smaller than the inner diameter of the protective gas.
Further, the shape of cooler is cylindrical, and the opening sets up upwards, and the top is the open end, and the bottom is sealed end, and the internal diameter of cooler is greater than the external diameter of charging basket.
Furthermore, the protector is arranged at the opening of the cooler after being moved to the upper part of the cooler.
Further, the gas-based reduction simulation furnace also comprises a cooling bracket, and the cooler is arranged on the cooling bracket.
Further, the cooling support comprises a cooling top plate, a cooling bottom plate and a cooling connecting plate, the cooling top plate and the cooling bottom plate are sequentially arranged from top to bottom and are connected through the cooling connecting plate along the vertical direction, and the cooler is arranged on the cooling bottom plate.
Further, the cooling bracket and the reduction bracket are both steel brackets.
Compared with the prior art, the utility model discloses can realize one of following beneficial effect at least:
a) the utility model provides a gas-based reduction simulation furnace has changed the pay-off mode of current gas-based reduction furnace and has got the material mode, has led to the protector of protective gas through addding, and the opening of protector down, from the pay-off in-process of reduction furnace to cooler, and the high temperature experiment material after the reduction is in the protection of protective gas in the protector all the time to can improve accuracy, authenticity and the reliability of gas-based reduction simulation experiment greatly.
b) The utility model provides a gas-based reduction simulation furnace lets in the cooler with the protection gas of protection in the air feed unit, and the high temperature experiment material refrigerated in-process after the reduction, the high temperature experiment material after the protector can protect the reduction in real time to reduce the high temperature experiment material after the reduction and take place the condition of secondary oxidation in cooling process.
c) The utility model provides a gas-based reduction simulation furnace, through the setting of sealed flange, before the basket of feeding shifts out the boiler tube, go up the flange and can cover and establish on the top of the basket of feeding, seal the inner space of the basket of feeding, then, go up the flange and constitute a whole common entering protector with the basket of feeding to can guarantee that the experimental material in the basket of feeding is in the protection of protective gas all the time at the removal in-process.
d) The utility model provides a gas-based reduction simulation furnace, which adopts a reduction bracket, and a protector can be directly buckled on a reduction top plate, thereby ensuring the stability of the protector; in addition, a gap is formed between the reduction room plate and the reduction bottom plate, and the bottom end of the furnace tube penetrates through the reduction room plate to enter a space between the reduction room plate and the reduction bottom plate, so that the gas outlet is conveniently connected with the reduction gas supply unit.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
The drawings are only for purposes of illustrating the particular invention and are not to be construed as limiting the invention, wherein like reference numerals are used to designate like parts throughout the figures.
FIG. 1 is a schematic structural view of a gas-based reduction simulation furnace provided by the present invention;
FIG. 2 is a front view of the protector in the gas-based reduction simulation furnace provided by the present invention;
FIG. 3 is a top view of a protector in the gas-based reduction simulation furnace provided by the present invention;
FIG. 4 is a bottom view of the protector in the gas-based reduction simulation furnace provided by the present invention;
fig. 5 is a cross-sectional view C-C of fig. 2.
Reference numerals:
1-a reduction furnace; 2-a protector; 3-a hoisting device; 4-a cooler; 5-protecting the gas supply unit; 6-furnace tube; 7-furnace shell; 8-an insulating layer; 9-a heating body; 10-a temperature controller; 11-a loading basket; 12-loading basket suspension wire; 13-test material; 14-reduction of the scaffold; 15-reduction gas inlet; 16-reduction gas outlet; 17-a sealing flange; 18-protector suspension wires; 19-protection of the air inlet; 20-cooling the air inlet; 21-cooling the support; 22-connecting tube.
Detailed Description
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, wherein the drawings constitute a part of the present invention, and together with the present invention, serve to explain the principles of the present invention.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the term "connected" should be interpreted broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection, which may be a mechanical connection, an electrical connection, which may be a direct connection, or an indirect connection via an intermediate medium.
The terms "top," "bottom," "above … …," "below," and "on … …" as used throughout the description are relative positions with respect to components of the device, such as the relative positions of the top and bottom substrates inside the device. It will be appreciated that the devices are multifunctional, regardless of their orientation in space.
The utility model discloses usual working face can be plane or curved surface, can incline, also can the level. For convenience of explanation, the embodiments of the present invention are placed on a horizontal plane and used on the horizontal plane, and thus "high and low" and "up and down" are defined.
The utility model provides a gas-based reduction simulation furnace, refer to fig. 1 to 5, including reduction furnace 1, protector 2, cooler 4 and protection air feed unit 5, protection air feed unit 5 and 2 intercommunications of protector for 2 provide the protection gas of protector, the protection gas in the protector 2 is the malleation. The experimental material 13 is placed in the reduction furnace 1, the opening of the protector 2 is arranged downwards, the protector 2 is buckled at the top end of the reduction furnace 1, and the reduced experimental material 13 is moved out of the reduction furnace 1, enters the protector 2 and is conveyed to the cooler 4 under the protection of the protector 2.
During implementation, the experimental material 13 is subjected to gas-based reduction in the reduction furnace 1, the reduced high-temperature experimental material 13 is moved out of the reduction furnace 1 and enters the protector 2, the protector 2 is filled with protective gas, the protector 2 is moved, and the reduced high-temperature experimental material 13 is conveyed to the cooler 4 for cooling under the protection of the protective gas in the protector 2.
Compared with the prior art, the utility model provides a gas-based reduction simulation furnace has changed the pay-off mode of current gas-based reduction furnace 1 and has got the material mode, has the protector 2 of protective gas through addding, and the opening of protector 2 down, from reduction furnace 1 to cooler 4's pay-off in-process, and the high temperature experiment material 13 after the reduction is in protector 2's protection in protector 2 all the time to can improve accuracy, authenticity and the reliability of gas-based reduction simulation experiment greatly.
Illustratively, the protective gas is one or more of nitrogen, argon and carbon dioxide mixed in any proportion.
It should be noted that the reduced high-temperature test material 13 also has a secondary oxidation problem during the cooling process in the cooler 4, and therefore, the protection gas supply unit 5 is also communicated with the cooler 4, and the protection gas supply unit 5 is also used for providing protection gas for the cooler 4. Like this, let in cooler 4 with the protection gas in the protection air feed unit 5, at the refrigerated in-process of the high temperature experiment material 13 after the reduction, protector 2 can protect the high temperature experiment material 13 after the reduction in real time to reduce the high temperature experiment material 13 after the reduction and take place the condition of secondary oxidation in the cooling process.
It will be appreciated that, in order to achieve the transportation of the shielding gas, the side wall of the cooler 4 is provided with a plurality of cooling gas inlets 20 along the radial direction, and the cooling gas inlets 20 and the shielding gas supply unit 5 are connected with the cooler 4 through connecting pipes 22.
In order to realize the movement of the protector 2, the gas-based reduction simulation furnace further comprises a hoisting device 3, the protector 2 and the experimental material 13 are sequentially hoisted below the hoisting device 3, wherein the protector 2 is hoisted below the hoisting device 3 through a protector hoisting wire 18, and thus, the experimental material 13 and the protector 2 can be moved through the movement of the hoisting device 3.
As for the structure of the protector 2, specifically, the shape is an inverted cylinder, the bottom end of the protector 2 is an open end, the top end of the protector 2 is a closed surface, the center of the top end is provided with a through hole of the protector 2, and the diameter of the through hole of the protector 2 is larger than the outer diameter of the protector sling 18, so that the protector sling 18 can be ensured to smoothly pass through, and the connection between the protector 2 and the hoisting device 3 is realized; the side wall of the protector 2 is provided with a plurality of protection air inlets 19 along the radial direction, and the protection air inlets 19 are connected with the protection air supply unit 5 through a connecting pipe 22.
As for the structure of the reduction furnace 1, specifically, the reduction furnace comprises a charging basket 11, a furnace tube 6, a furnace shell 7, a heating body 9 and a temperature controller 10 connected with the heating body 9; from inside to outside, charging basket 11, furnace tube 6, heating body 9 and stove outer covering 7 set gradually, and charging basket 11 is located in furnace tube 6 and hangs below of hoist and mount ware 3 and protective gas through charging basket sling 12, and charging basket sling 12's one end is connected with charging basket 11, and charging basket sling 12's the other end passes behind protector 2 and is connected with hoist and mount ware 3, and experiment material 13 is arranged in charging basket 11, and heating body 9 is located between furnace tube 6 and stove outer covering 7. In the implementation process, the temperature controller 10 is started, the temperature controller 10 controls the heating body 9 to increase the temperature, and the experimental material 13 in the material loading basket 11 is heated and subjected to gas-based reduction reaction.
It can be understood that, in the gas-based reduction process of the experimental material 13, a reducing gas needs to be introduced into the furnace tube 6, and therefore, the reduction furnace 1 further includes a reduction gas supply unit, the furnace tube 6 is provided with a reduction gas inlet 15 and a reduction gas outlet 16, the reduction gas inlet 15 is connected with the reduction gas supply unit, illustratively, the reduction gas inlet 15 is provided at the bottom end of the furnace tube 6, and the reduction gas outlet 16 is provided at the top end of the furnace tube 6.
It is worth noting that the heat insulating property of the furnace shell 7 can influence the heating of the heating body 9 on the experimental material 13, therefore, the inner wall of the furnace shell 7 is provided with the heat insulating layer 8, the heat insulating layer 8 can isolate the heating body 9 from the external environment, the heat exchange between the heating body 9 and the external environment is reduced, and the heating accuracy of the heating body 9 on the experimental material 13 can be ensured.
In order to realize the tightness of the inner space of the furnace tube 6, the reduction furnace 1 further comprises a sealing flange 17, the sealing flange 17 comprises an upper flange and a lower flange detachably connected with the upper flange, the lower flange is fixedly connected with the top end of the furnace tube 6, the charging basket 11 moves upwards, the upper flange is covered on the top end of the charging basket 11, and the charging basket 11 and the upper flange are moved out of the reduction furnace 1 and enter the protector 2. Like this, through the setting of sealing flange 17, before the basket 11 of feeding shifts out boiler tube 6, go up the flange and can cover the top of establishing at the basket 11 of feeding, seal the inner space of the basket 11 of feeding, then, go up the flange and constitute a whole entering protector 2 jointly with the basket 11 of feeding to can guarantee that the experimental material 13 in the basket 11 of feeding is in the protection of protective gas all the time at the removal in-process.
In order to ensure the connection among the loading basket 11, the upper flange, the protector 2 and the lifting device 3, the upper flange needs to be provided with an upper flange through hole, and the loading basket suspending wires 12 sequentially penetrate through the upper flange and the protector 2 and then are connected with the lifting device 3.
In order to realize the installation of the reduction furnace 1, the reduction furnace 1 further comprises a reduction support 14, and the furnace tube 6, the heating body 9, the insulating layer 8 and the furnace shell 7 are all erected on the reduction support 14.
Particularly, reduction support 14 includes reduction roof, reduction intermediate plate, reduction bottom plate and reduction connecting plate, along vertical direction, reduction roof, reduction intermediate plate and reduction bottom plate from last to setting gradually down and connecting through reduction connecting plate, and heating member 9, heat preservation 8 and stove outer covering 7 are all located on the reduction intermediate plate, and the reduction roof is seted up in the endocentric roof through-hole of boiler tube 6, and the diameter of roof through-hole is greater than the external diameter of boiler tube 6, is less than the internal diameter of protective gas. The reason is that, by adopting the reduction bracket 14 with the structure, the protector 2 can be directly buckled on the reduction top plate, so that the arrangement stability of the protector 2 is ensured; in addition, a gap is reserved between the reduction room plate and the reduction bottom plate, and the bottom end of the furnace tube 6 penetrates through the reduction room plate to enter a space between the reduction room plate and the reduction bottom plate, so that the gas outlet is conveniently connected with the reduction gas supply unit.
To the structure of cooler 4, specifically, its shape is cylindrical, and the opening sets up upwards, and the top is the open end, and the bottom is sealed end, and the internal diameter of cooler 4 is greater than the external diameter of charging basket 11, and the high temperature experiment material 13 after the reduction in protector 2 gets into in cooler 4 through the opening.
It should also be noted that, in order to realize that the reduced high-temperature test material 13 can be in a sealed environment during entering the cooler 4, the protector 2 can be fastened at the opening of the cooler 4 after moving above the cooler 4.
In order to realize the installation of the cooler 4, the gas-based reduction simulation furnace further comprises a cooling bracket 21, and the cooler 4 is erected on the cooling bracket 21.
Specifically, cooling support 21 includes cooling roof, cooling floor and cooling connecting plate, and along vertical direction, cooling roof and cooling floor set gradually from last to down and connect through the cooling connecting plate, and cooler 4 locates on the cooling floor. This is because, with the cooling bracket 21 having such a structure, the protector 2 can be directly fastened to the cooling ceiling plate, and the stability of the protector 2 is ensured.
Considering that the cooling bracket 21 and the reduction bracket 14 are mainly of force bearing structures, the cooling bracket 21 and the reduction bracket 14 are both steel brackets by way of example.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. A gas-based reduction simulation furnace is characterized by comprising a reduction furnace, a protector, a cooler and a protective gas supply unit;
the protection gas supply unit is communicated with the protector;
placing the experimental material in a reduction furnace;
the opening of the protector is arranged downwards, and the protector is buckled at the top end of the reduction furnace;
from the reduction furnace to the cooler, the reduced experimental material is located in the protective gas of the protector.
2. The gas-based reduction simulation furnace according to claim 1, wherein the side wall of the cooler is provided with a plurality of cooling air inlets along the radial direction, and the cooling air inlets are connected with a protective air supply unit.
3. The gas-based reduction simulation furnace according to claim 1, further comprising a hoisting device, wherein the protector is hoisted below the hoisting device through a protector hoisting wire.
4. The gas-based reduction simulation furnace according to claim 3, wherein the protector has an inverted cylindrical shape;
the top end of the protector is provided with a protector through hole, and the diameter of the protector through hole is larger than the outer diameter of the protector suspension wire.
5. The gas-based reduction simulation furnace according to claim 1, wherein the side wall of the protector is provided with a plurality of protective gas inlets along the radial direction, and the protective gas inlets are connected with a protective gas supply unit.
6. The gas-based reduction simulation furnace according to any one of claims 1 to 5, wherein the reduction furnace comprises a charging basket, a furnace tube, a furnace shell, a heating body and a temperature controller connected with the heating body;
the charging basket, the furnace tube, the heating body and the furnace shell are arranged in sequence from inside to outside;
the experimental material is placed in a material loading basket.
7. The gas-based reduction simulation furnace of claim 6, wherein the reduction furnace further comprises a reduction gas supply unit, the furnace tube is provided with a reduction gas inlet and a reduction gas outlet, and the reduction gas inlet is connected with the reduction gas supply unit.
8. The gas-based reduction simulation furnace according to claim 6, wherein the inner wall of the furnace shell is provided with an insulating layer.
9. The gas-based reduction simulation furnace according to claim 6, wherein the reduction furnace further comprises a sealing flange, the sealing flange comprises an upper flange and a lower flange detachably connected with the upper flange;
the lower flange is fixedly connected with the top end of the furnace tube, and the upper flange cover is arranged at the top end of the furnace tube.
10. The gas-based reduction simulation furnace according to claim 1, further comprising a cooling rack, wherein the cooler is mounted on the cooling rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120268995.5U CN215002912U (en) | 2021-01-29 | 2021-01-29 | Gas-based reduction simulation furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120268995.5U CN215002912U (en) | 2021-01-29 | 2021-01-29 | Gas-based reduction simulation furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215002912U true CN215002912U (en) | 2021-12-03 |
Family
ID=79144972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120268995.5U Active CN215002912U (en) | 2021-01-29 | 2021-01-29 | Gas-based reduction simulation furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215002912U (en) |
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2021
- 2021-01-29 CN CN202120268995.5U patent/CN215002912U/en active Active
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