CN216205188U - Aluminum bar hybrid heating furnace - Google Patents
Aluminum bar hybrid heating furnace Download PDFInfo
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- CN216205188U CN216205188U CN202122373586.4U CN202122373586U CN216205188U CN 216205188 U CN216205188 U CN 216205188U CN 202122373586 U CN202122373586 U CN 202122373586U CN 216205188 U CN216205188 U CN 216205188U
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Abstract
The utility model provides an aluminum bar mixed heating furnace, which comprises a preheating furnace, a heating furnace and an aluminum bar conveying mechanism, wherein the preheating furnace is provided with a preheating aluminum bar outlet, the heating furnace is provided with a heating aluminum bar inlet, the aluminum bar conveying mechanism is arranged between the preheating aluminum bar outlet and the heating aluminum bar inlet, the inner cavity wall of the heating furnace is provided with a plurality of annular flame assemblies and a plurality of annular air outlet assemblies, the annular air outlet assemblies are uniformly distributed along the length direction of the heating furnace, each annular air outlet assembly comprises a plurality of air outlets uniformly distributed along the circumferential direction of the heating furnace, and the central axes of all the air outlets of the same annular air outlet assembly are tangent to the same imaginary circle. This application promotes the air flow in the inner chamber of heating furnace through setting up annular flame subassembly and annular air-out subassembly and heat the inner chamber of heating furnace comprehensively to realize rapid heating and keep heating even, and then reduced the heating furnace energy consumption and improved the efficiency to the aluminium bar heating, had fine practicality.
Description
Technical Field
The utility model relates to the field of heating furnaces, in particular to an aluminum bar mixed heating furnace.
Background
An aluminum bar is one of aluminum products. Before the aluminum bar is extruded into the aluminum profile, the aluminum bar needs to be slowly and uniformly heated by an aluminum bar heating furnace. The existing aluminum bar heating furnace generally comprises a preheating furnace, a heating furnace and a pipeline, wherein one end of the pipeline is communicated with the inner cavity of the heating furnace through an exhaust hole on the side wall of the inner cavity of the heating furnace, and the other end of the pipeline is communicated with the inner cavity of the preheating furnace. Through setting up the pipeline between heating furnace inner chamber and preheating furnace inner chamber, current aluminium bar heating furnace can discharge the high temperature waste heat waste gas of heating furnace in preheating the furnace to carry out slow heat treatment to the aluminium bar in preheating the furnace, improve energy utilization efficiency.
However, the existing heating furnace needs to heat a plurality of aluminum bars at the same time, so that the space of the inner cavity of the heating furnace is extremely large, the heating is not uniform enough, the energy consumption of the heating furnace is caused, and the efficiency of heating the aluminum bars is not in line with the production benefit.
SUMMERY OF THE UTILITY MODEL
Based on the above, in order to solve the problem of uneven heating of the heating furnace, the utility model provides an aluminum bar mixed heating furnace, which has the following specific technical scheme:
an aluminum bar mixing heating furnace comprises a preheating furnace, a heating furnace and an aluminum bar conveying mechanism, wherein the preheating furnace is provided with a preheating aluminum bar outlet, the heating furnace is provided with a heating aluminum bar inlet, the aluminum bar conveying mechanism is arranged between the preheating aluminum bar outlet and the heating aluminum bar inlet, a plurality of annular flame assemblies and a plurality of annular air outlet assemblies are arranged on the inner cavity wall of the heating furnace, the annular air outlet assemblies are uniformly distributed along the length direction of the heating furnace, each annular air outlet assembly comprises a plurality of air outlets uniformly distributed along the circumferential direction of the heating furnace, and the central axes of all the air outlets of the same annular air outlet assembly are tangent to the same imaginary circle;
and an electric heating device is arranged on the inner wall of the preheating furnace.
Foretell aluminium bar hybrid heating furnace, through setting up annular flame subassembly and annular air-out subassembly and heat the inner chamber of heating furnace comprehensively to promote the air flow in the inner chamber of heating furnace, thereby realize the rapid heating and keep heating even, and then reduced the heating furnace energy consumption and improved the efficiency to the aluminium bar heating, had fine practicality.
Further, the plurality of annular flame assemblies comprise a plurality of flame ports which are uniformly arranged along the circumferential direction of the heating furnace.
Further, the annular flame assembly is arranged between two adjacent annular air outlet assemblies.
Further, the flame nozzle and the air outlet are arranged in a staggered mode.
Further, the distances from the air outlet to the adjacent flame nozzles are the same.
Furthermore, the center of each imaginary circle is located on the central axis of the inner cavity of the heating furnace.
Further, aluminium bar hybrid heating furnace still includes pipeline, pressure sensor, cylinder and sprue, the inner chamber lateral wall of heating furnace is equipped with the pressure release hole, the one end of pipeline is passed through the pressure release hole with the inner chamber intercommunication of heating furnace, the other end of pipeline with the inner chamber intercommunication of preheater, the lateral wall in pressure release hole is equipped with the recess, the piston rod of cylinder with sprue fixed connection, the cylinder body of cylinder with the recess is kept away from the lateral wall fixed connection in pressure release hole, the sprue respectively with the recess and the lateral wall sliding seal in pressure release hole connects, pressure sensor set up in the inner chamber of heating furnace, pressure sensor with cylinder signal connects.
Further, the air cylinder is connected with an air source, and the pressure sensor is connected with a power supply.
Further, a heat insulation layer is arranged in the groove.
Furthermore, the electric heating devices are resistance wire heating pipes and are uniformly distributed on the inner wall of the preheating furnace.
Drawings
The utility model will be further understood from the following description in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate corresponding parts throughout the different views.
FIG. 1 is a schematic structural diagram of an aluminum bar hybrid heating furnace according to an embodiment of the present invention;
FIG. 2 is a schematic view of a part of a structure of an aluminum bar hybrid heating furnace according to an embodiment of the present invention.
Description of reference numerals:
1. preheating a furnace; 2. heating furnace; 3. an aluminum bar conveying mechanism; 4. an air outlet; 5. a flame nozzle; 6. a material rack; 7. a first bar turning mechanism; 8. a second bar turning mechanism; 9. a pipeline; 10. a pressure relief vent; 11. a cylinder; 12. blocking; 13. a pressure sensor; 14. an imaginary circle.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to embodiments thereof. It should be understood that the detailed description and specific examples, while indicating the scope of the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The terms "first" and "second" used herein do not denote any particular order or quantity, but rather are used to distinguish one element from another.
As shown in fig. 1-2, an aluminum bar mixing heating furnace in an embodiment of the present invention includes a preheating furnace 1, a heating furnace 2, and an aluminum bar conveying mechanism 3, where the preheating furnace 1 is provided with a preheated aluminum bar outlet, the heating furnace 2 is provided with a heated aluminum bar inlet, the aluminum bar conveying mechanism 3 is disposed between the preheated aluminum bar outlet and the heated aluminum bar inlet, a plurality of annular flame assemblies and a plurality of annular air outlet assemblies are disposed on an inner cavity wall of the heating furnace 2, the plurality of annular air outlet assemblies are uniformly distributed along a length direction of the heating furnace 2, the annular air outlet assemblies include a plurality of air outlets 4 uniformly distributed along a circumferential direction of the heating furnace 2, and central axes of all air outlets 4 of the same annular air outlet assembly are tangent to a same imaginary circle 14;
an electric heating device is arranged on the inner wall of the preheating furnace 1.
Foretell aluminium bar hybrid heating furnace comes the inner chamber of heating furnace 2 of comprehensive heating through setting up annular flame subassembly and annular air-out subassembly to promote the air flow in the inner chamber of heating furnace 2, thereby realize the rapid heating and keep heating even, and then reduced heating furnace 2 energy consumption and improved the efficiency to the aluminium bar heating, had fine practicality.
Specifically, the inner cavity of the heating furnace 2 is cylindrical, and a plurality of imaginary circles are respectively in one-to-one correspondence with the annular air outlet assemblies.
In one embodiment, as shown in fig. 2, the circle of the two-dot chain line in the figure is an imaginary circle 14, and the middle axis of the air outlet 4 is the chain line in the figure; the center of each imaginary circle 14 is located on the central axis of the inner cavity of the heating furnace 2. Specifically, the central axis of the air outlet 4 and the inner wall of the heating furnace 2 are inclined in the length direction of the heating furnace 2, and through the design, the air outlet 4 can form a cyclone which spirally moves in the heating furnace 2, and the air outlets 4 can provide enough oxygen, so that a plurality of aluminum bars in the heating furnace 2 are uniformly heated.
In one embodiment, the plurality of annular flame assemblies comprises a plurality of flame ports 5 uniformly arranged along the circumference of the furnace 2.
In one embodiment, the annular flame assemblies are arranged between two adjacent annular air outlet assemblies.
In one embodiment, the flame nozzle 5 and the air outlet 4 are arranged in a staggered manner.
In one embodiment, the distances from the air outlet 4 to the adjacent flame ports 5 are the same.
Through the arrangement of the flame nozzles 5, the air flow sprayed from the air outlet 4 can drive flames sprayed from the flame nozzles 5, so that heat transfer is greatly driven, and the heating efficiency is improved.
In one embodiment, the aluminum bar hybrid heating furnace further comprises a pipeline 9, a pressure sensor 13, an air cylinder 11 and a block 12, a pressure relief hole 10 is formed in the side wall of an inner cavity of the heating furnace 2, one end of the pipeline 9 is communicated with the inner cavity of the heating furnace 2 through the pressure relief hole 10, the other end of the pipeline 9 is communicated with the inner cavity of the preheating furnace 1, a groove is formed in the side wall of the pressure relief hole 10, a piston rod of the air cylinder 11 is fixedly connected with the block 12, a cylinder body of the air cylinder 11 is fixedly connected with the side wall of the pressure relief hole 10, the block 12 is respectively connected with the groove and the side wall of the pressure relief hole 10 in a sliding and sealing mode, the pressure sensor 13 is arranged in the inner cavity of the heating furnace 2, and the pressure sensor 13 is in signal connection with the air cylinder 11.
In one embodiment, the cylinder 11 is connected to a gas source, and the pressure sensor 13 is connected to a power source. Specifically, the pressure sensor 13 is a pressure sensor 13 commonly used in the prior art, and is not described herein again.
Through the design, the air pressure in the heating furnace 2 can be detected through the pressure sensor 13, when the air pressure in the heating furnace 2 is too high, the air cylinder 11 pulls the blocking block 12 to the groove, so that the inner cavity of the heating furnace 2 is communicated with the inner cavity of the preheating furnace 1, high-temperature gas in the heating furnace 2 is enabled to flow into the preheating furnace 1 through the pressure relief hole 10 and the pipeline 9, the preheating effect on an aluminum rod in the preheating furnace 1 can be improved by matching with the electric heating device, and meanwhile, energy can be saved; when the air pressure in the inner cavity of the heating furnace 2 is reduced, the air cylinder 11 pushes the blocking block 12 out of the groove to block the pressure relief hole 10, so that the tightness of the heating furnace 2 is ensured.
In one embodiment, a thermal insulation layer is arranged in the groove.
The heat insulation layer can be made of heat insulation materials in the prior art, and is not described in detail herein, and the influence of high temperature on the cylinder 11 can be avoided through the heat insulation layer.
In one embodiment, the electric heating devices are resistance wire heating pipes, and the electric heating devices are uniformly distributed on the inner wall of the preheating furnace 1.
The preheating furnace 1 is further provided with a preheating aluminum bar inlet, an inclined material rack 6 is fixedly installed in an inner cavity of the preheating furnace 1, one end, far away from the aluminum bar conveying mechanism 3, of the material rack 6 is higher than one end, close to the aluminum bar conveying mechanism 3, of the material rack 6, a first bar turning mechanism 7 used for lifting an aluminum bar to the material rack 6 is arranged at the preheating aluminum bar inlet, and a second bar turning mechanism 8 used for turning the aluminum bar to the aluminum bar conveying mechanism 3 is arranged at the preheating aluminum bar outlet.
The first rod turning mechanism 7 can well place the aluminum rods on the material rack 6 for preheating treatment. The second rod turning mechanism 8 can well turn the aluminum rods in the preheating furnace 1 to the aluminum rod conveying mechanism 3, so that the aluminum rod conveying mechanism 3 conveys the aluminum rods subjected to preheating treatment to the heating furnace 2 for heating treatment. The aluminum bar conveying mechanism 3 can be a conveyor belt or a conveying roller. Since the first bar turning mechanism 7, the second bar turning mechanism 8 and the aluminum bar conveying mechanism 3 are conventional technical means in the art, they are not described herein again.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. An aluminum bar mixed heating furnace comprises a preheating furnace, a heating furnace and an aluminum bar conveying mechanism, wherein the preheating furnace is provided with a preheating aluminum bar outlet, the heating furnace is provided with a heating aluminum bar inlet, and the aluminum bar conveying mechanism is arranged between the preheating aluminum bar outlet and the heating aluminum bar inlet;
and an electric heating device is arranged on the inner wall of the preheating furnace.
2. The aluminum bar mixing furnace of claim 1, wherein the plurality of ring-shaped flame assemblies includes a plurality of flame ports arranged uniformly in a circumferential direction of the furnace.
3. The aluminum bar mixing and heating furnace as recited in claim 2, wherein said ring-shaped flame assembly is disposed between two adjacent ring-shaped air outlet assemblies.
4. The aluminum bar mixing and heating furnace of claim 3, wherein said flame ports and said air outlet are offset.
5. The aluminum bar mixing and heating furnace as recited in claim 4, wherein said air outlet is spaced from adjacent ones of said flame ports by the same distance.
6. The aluminum bar mixing furnace of claim 1, wherein the center of each of said imaginary circles is located on the central axis of the interior chamber of said furnace.
7. The aluminum bar mixing heating furnace of claim 1, further comprising a pipeline, a pressure sensor, a cylinder and a block, wherein a pressure relief hole is formed in a side wall of an inner cavity of the heating furnace, one end of the pipeline is communicated with the inner cavity of the heating furnace through the pressure relief hole, the other end of the pipeline is communicated with the inner cavity of the preheating furnace, a groove is formed in a side wall of the pressure relief hole, a piston rod of the cylinder is fixedly connected with the block, a cylinder body of the cylinder is fixedly connected with the groove, far away from the side wall of the pressure relief hole, the block is respectively connected with the groove and the side wall of the pressure relief hole in a sliding and sealing manner, the pressure sensor is arranged in the inner cavity of the heating furnace, and the pressure sensor is in signal connection with the cylinder.
8. The aluminum bar mixing heating furnace of claim 7, wherein said air cylinder is connected to an air source, and said pressure sensor is connected to a power source.
9. The aluminum bar hybrid heating furnace according to claim 7, wherein a heat insulating layer is provided in the groove.
10. The aluminum bar hybrid heating furnace of claim 1, wherein the electric heating devices are resistance wire heating tubes, and the electric heating devices are uniformly distributed on the inner wall of the preheating furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122373586.4U CN216205188U (en) | 2021-09-28 | 2021-09-28 | Aluminum bar hybrid heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122373586.4U CN216205188U (en) | 2021-09-28 | 2021-09-28 | Aluminum bar hybrid heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216205188U true CN216205188U (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122373586.4U Active CN216205188U (en) | 2021-09-28 | 2021-09-28 | Aluminum bar hybrid heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216205188U (en) |
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2021
- 2021-09-28 CN CN202122373586.4U patent/CN216205188U/en active Active
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