CN212504993U - Annealing furnace capable of uniformly heating - Google Patents
Annealing furnace capable of uniformly heating Download PDFInfo
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- CN212504993U CN212504993U CN202020942231.5U CN202020942231U CN212504993U CN 212504993 U CN212504993 U CN 212504993U CN 202020942231 U CN202020942231 U CN 202020942231U CN 212504993 U CN212504993 U CN 212504993U
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Abstract
The utility model relates to an annealing furnace technical field, concretely relates to annealing furnace of even heating. The annealing furnace comprises a sealed annealing furnace main body, wherein the annealing furnace main body comprises a heating part for heating gas and an annealing part for placing annealing parts, the heating part is communicated with the annealing part through a uniform heat transfer diffusion mechanism, the uniform heat transfer diffusion mechanism comprises a plurality of diffusion devices for diffusing the heating gas, and a flow guide device for uniformly providing the heating gas for each diffusion device. The utility model discloses equipment is provided with even heat transfer diffusion mechanism, heat transfer diffusion mechanism intercommunication heating portion and annealing portion for the diffusion that the heating gas that gets into annealing portion from heating portion can be even gets into annealing portion, realizes the interior even of being heated of annealing portion.
Description
Technical Field
The utility model relates to an annealing furnace technical field, concretely relates to annealing furnace of even heating.
Background
The annealing furnace is mainly used for annealing large carbon steel and alloy steel parts; tempering the surface quenching part; and (4) performing heat treatment processes such as stress relief annealing and aging on the weldment.
When the existing annealing furnace is used for annealing objects, the situation that the objects cannot be uniformly heated always exists, so that the working precision and the working efficiency of the annealing furnace are reduced;
experimental observation of the flow of the fluid through the field gas flow in the annealing furnace revealed that the reason for this was: when heating, air enters the annealing chamber for storing the annealing object through the air duct via the heating device, but the effect of the air duct on uniform diffusion of the heated gas is poor, so that the distribution of the furnace temperature is uneven, materials or workpieces in the furnace are heated unevenly, the service performance of products is reduced, meanwhile, the annealing furnace chamber is unbalanced for a long time and has high temperature effect, the inner surface of the annealing furnace chamber is easy to damage, and the service life of the annealing furnace chamber is shortened.
SUMMERY OF THE UTILITY MODEL
To the deficiency that the prior art exists, the utility model aims to provide an annealing furnace of even heating solves above-mentioned problem.
The utility model provides an annealing stove of even heating, includes sealed annealing stove main part, annealing stove main part is including the heating portion that is used for heating gas and the annealing portion that is used for laying annealing part, the heating portion communicates annealing portion through a uniform heat transfer diffusion mechanism, uniform heat transfer diffusion mechanism includes a plurality of diffusion devices that are used for the diffusion heating gas to and evenly provide the guiding device who heats gas for each diffusion device.
Preferably, a heat transfer air duct is formed by the inner wall of the heating part and the outer wall of the annealing part, the heating part and the annealing part are communicated through the heat transfer air duct, and the uniform heat transfer diffusion mechanism is installed in the heat transfer air duct. Used for uniformly dispersing the heating gas in the heat transfer air duct.
Preferably, the diffusion device is a plurality of heat dissipation vent hole plates which are arranged at the air inlet of the annealing part at equal intervals, and the air inlet of the heat dissipation vent hole plates is externally covered with the flow guide device.
Preferably, the flow guiding device is a U-shaped flow guiding plate assembly, one end of the U-shaped flow guiding plate assembly covers the heat dissipation ventilation pore plate, the other end of the U-shaped flow guiding plate assembly extends into the heat transfer air duct, and the heat transfer air duct is uniformly divided into a plurality of heat transfer air cavities by the U-shaped flow guiding plate assembly and the heat dissipation ventilation pore plate.
Preferably, the U-shaped baffle assembly comprises a dividing plate for dividing the heated air from the heating and heat transfer air duct, and a baffle plate for guiding the heated air divided by the dividing plate, the dividing plate is vertically installed in the heat transfer air duct, the baffle plate is horizontally installed in the heat transfer air duct, and the dividing plate is fixedly connected with the baffle plate.
Preferably, the annealing part is connected with the heating part through a circulating device, and the circulating device is used for realizing repeated circulating flow of the heating gas along the heating part, the uniform heat transfer diffusion mechanism and the annealing part in sequence.
Preferably, the circulating device comprises a heating box and a circulating fan which are arranged at the air outlet of the top of the annealing part, an air outlet pipe of the heating box is communicated with an air inlet of the circulating fan, and an air outlet pipe of the circulating fan is communicated with an air inlet of the heating part.
Preferably, a plurality of groups of heating pipes for heating the gas are uniformly distributed on the inner wall of the heating part.
Preferably, a plurality of groups of placing frames for placing annealing parts are uniformly distributed in the annealing part.
Preferably, the bottom of the annealing furnace main body is provided with a plurality of rollers for moving the annealing furnace main body
Compared with the prior art, the utility model discloses the beneficial effect of equipment is:
the utility model discloses equipment is provided with even heat transfer diffusion mechanism, heat transfer diffusion mechanism intercommunication heating portion and annealing portion for the diffusion that the heating gas that gets into annealing portion from heating portion can be even gets into annealing portion, realizes the interior even of being heated of annealing portion.
Drawings
Fig. 1 is a schematic structural view of an annealing furnace uniformly heated in this embodiment.
Fig. 2 is a sectional view of an annealing furnace of the present embodiment, which is uniformly heated.
In the drawings: the annealing furnace comprises an annealing furnace main body 1, universal wheels 1-1, a heating part 2, a heating pipe 2-1, an annealing part 3, a mounting frame 3-1, a heat transfer air duct 4, a heat transfer air chamber 4-1, a first heat transfer air chamber 4-1-1, a second heat transfer air chamber 4-1-2, a third heat transfer air chamber 4-1-3, a heat dissipation and ventilation pore plate 5, a U-shaped guide plate assembly 6-1 partition plate 6-2, a guide plate 7, a heating box 8, a circulating fan 8 and an air outlet pipe 8-1.
Detailed Description
In the following, the technical solutions in the embodiments of the present invention will be clearly and completely described 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. 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 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 a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
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 in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
An annealing furnace with uniform heating comprises a sealed annealing furnace main body 1, wherein the annealing furnace main body 1 comprises a heating part 2 for heating gas and an annealing part 3 for placing annealing parts, the heating part 2 is communicated with the annealing part 3 through a uniform heat transfer diffusion mechanism, and the uniform heat transfer diffusion mechanism comprises a plurality of diffusion devices for diffusing the heating gas and flow guide devices for uniformly providing the heating gas for each diffusion device;
the effect of the even diffusion of gas after current annealing stove wind channel is to the heating is relatively poor for furnace temperature distributes inhomogeneously, thereby leads to material or work piece in the stove to be heated inhomogeneously, reduces the performance of product, so the utility model discloses equipment is through an even heat transfer diffusion mechanism intercommunication heating portion 2 and annealing portion 3, makes the diffusion that can be even of the heating gas that gets into annealing portion 3 from heating portion 2 get into annealing portion 3, realizes the even of being heated in the annealing portion 3.
The inner wall of the heating part 2 and the outer wall of the annealing part 3 form a heat transfer air duct 4, the heating part 2 and the annealing part 3 are communicated through the heat transfer air duct 4, and the uniform heat transfer diffusion mechanism is arranged in the heat transfer air duct 4 and used for uniformly dispersing the heating gas in the heat transfer air duct 4.
The uniform heat transfer and diffusion mechanism is arranged in the heat transfer air duct 4 and uniformly disperses the heated gas, so that the gas in the heat transfer air duct 4 is uniformly dispersed into the annealing part 3.
The diffusion device is a plurality of heat dissipation ventilation pore plates 5 which are arranged at the air inlet of the annealing part 3 at equal intervals, and the air inlet of the heat dissipation ventilation pore plates 5 is covered with the flow guide device.
The heat dissipation and ventilation pore plates 5 are equidistantly arranged at the air inlet of the annealing part 3, and heated gas passes through the flow guide device and is uniformly dispersed into the annealing part 3 through the heat dissipation and ventilation pore plates 5.
The flow guiding device is a U-shaped flow guiding plate assembly 6, one end of the U-shaped flow guiding plate assembly 6 covers the heat dissipation and ventilation pore plate 5, the other end of the U-shaped flow guiding plate assembly 6 extends into the heat transfer air duct 4, and the heat transfer air duct 4 is uniformly divided into a plurality of heat transfer air cavities 4-1 by the U-shaped flow guiding plate assembly 6 and the heat dissipation and ventilation pore plate 5.
In the embodiment, three heat dissipation and ventilation pore plates 5 are arranged, three U-shaped guide plate assemblies 6 are correspondingly arranged, the three heat dissipation and ventilation pore plates 5 and the three U-shaped guide plate assemblies 6 are correspondingly arranged to form three heat transfer air cavities 4-1, namely a first heat transfer air cavity 4-1-1, a second heat transfer air cavity 4-1-2 and a third heat transfer air cavity 4-1-3, heating gases in the first heat transfer air cavity 4-1-1, the second heat transfer air cavity 4-1-2 and the third heat transfer air cavity 4-1-3 are subjected to fluid force experiments, and the temperature difference among the first heat transfer air cavity 4-1-1, the second heat transfer air cavity 4-1-2 and the third heat transfer air cavity 4-1-3 is only about 0.5 ℃ through observation of airflow flow and temperature change, therefore, the heat transfer air cavity 4-1 formed by the U-shaped guide plate assembly 6 and the heat dissipation and ventilation pore plate 5 has obvious effect on uniform dispersion of the heated air.
The U-shaped flow guide plate assembly 6 comprises a dividing plate 6-1 used for dividing the heating gas from the heating and heat transfer air duct 4 and a flow guide plate 6-2 used for guiding the heating gas divided by the dividing plate 6-1, the dividing plate 6-1 is vertically arranged in the heat transfer air duct 4, the flow guide plate 6-2 is horizontally arranged in the heat transfer air duct 4, and the dividing plate 6-1 is fixedly connected with the flow guide plate 6-2.
The plurality of partition plates 6-1 are used for partitioning the heating gas from the self-heating heat transfer air duct 4, so that the heating gas uniformly enters each flow guide plate 6-2, and the flow guide plates 6-2 guide the flow of the heating gas partitioned by the partition plates 6-1, so that the heating gas uniformly passes through the heat dissipation and ventilation pore plates 5 and then uniformly disperses through the heat dissipation and ventilation pore plates 5 to enter the annealing part 3.
The annealing part 3 is connected with the heating part 2 through a circulating device, and the circulating device is used for realizing the repeated circulating flow of the heating gas along the heating part 2, the uniform heat transfer diffusion mechanism and the annealing part 3 in sequence.
Through fluid experiments, the gas in the annealing part 3 is found to be diffused more uniformly in a flowing state.
The circulating device comprises a heating box 7 and a circulating fan 8 which are arranged at an air outlet at the top of the annealing part 3, an air outlet pipe of the heating box 7 is communicated with an air inlet of the circulating fan 8, and an air outlet pipe 8-1 of the circulating fan 8 is communicated with an air inlet of the heating part 2.
When annealing is carried out on the annealing part, after the gas in the heat transfer air duct 4 is heated by the heating part 2 and is guided by the U-shaped guide plate assembly 6, the gas enters the annealing part 3 for annealing under the dispersion of the heat dissipation and ventilation pore plates 5, the circulating fan 8 is started, the heated gas enters the heating box 7 from the air outlet of the annealing part 3, then enters the circulating fan 8 through the air outlet pipe of the heating box 7, and enters the heating part 2 again through the air outlet pipe 8-1 of the circulating fan 8, and the heating part 2 heats the gas again, so that the gas is heated in a circulating flow manner.
The inner wall of the heating part 2 is uniformly provided with a plurality of groups of heating pipes 2-1 for heating gas, and the heating pipes 2-1 are adopted for heating in the embodiment, but the heating mode is not limited to the heating pipes.
A plurality of groups of placing frames 3-1 for placing annealing parts are uniformly distributed in the annealing part 3.
The bottom of the annealing furnace main body 1 is provided with universal wheels 1-1 for moving the annealing furnace main body 1, and the universal wheels 1-1 can facilitate the movement of the annealing furnace main body 1.
The working principle is as follows:
when annealing is carried out on the annealing part, the gas in the heat transfer air duct 4 is heated by the heating part 2 and then is guided by the U-shaped guide plate assembly 6, the guide mode is that a plurality of partition plates 6-1 are used for dividing the heating gas from the heat transfer air duct 4, the heated gas uniformly enters each guide plate 6-2, the guide plates 6-2 guide the heating gas divided by the partition plates 6-1, the heating gas uniformly passes through the heat dissipation and ventilation pore plates 5 and then uniformly disperses into the annealing part 3 through the heat dissipation and ventilation pore plates 5, the annealing part is annealed, the circulating fan 8 is started, the heated gas enters the heating box 7 from the air outlet of the annealing part 3, then enters the circulating fan 8 through the air outlet pipe of the heating box 7 and enters the heating part 2 again through the air outlet pipe 8-1 of the circulating fan 8, the heating unit 2 reheats the gas to heat the gas in a circulating flow.
The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.
Claims (10)
1. An annealing furnace of even heating which characterized in that: including sealed annealing stove main part (1), annealing stove main part (1) is including heating portion (2) that are used for heating gas and annealing portion (3) that are used for laying annealing part, heating portion (2) are through an even heat transfer diffusion mechanism intercommunication annealing portion (3), even heat transfer diffusion mechanism includes a plurality of diffusion devices that are used for diffusing heating gas to and evenly provide the guiding device of heating gas for each diffusion device.
2. A uniformly heated annealing furnace according to claim 1, characterized in that: the inner wall of the heating part (2) and the outer wall of the annealing part (3) form a heat transfer air duct (4), the heating part (2) and the annealing part (3) are communicated through the heat transfer air duct (4), and the uniform heat transfer diffusion mechanism is installed in the heat transfer air duct (4) and used for uniformly dispersing the heating gas in the heat transfer air duct (4).
3. A uniformly heated annealing furnace according to claim 2, characterized in that: the heat dissipation device is characterized in that the diffusion device is a plurality of heat dissipation vent hole plates (5) which are arranged at the air inlet of the annealing part (3) at equal intervals, and the air inlet of the heat dissipation vent hole plates (5) is covered with the flow guide device.
4. A uniformly heated annealing furnace according to claim 3, characterized in that: the heat transfer air duct is characterized in that the flow guide device is a U-shaped flow guide plate assembly (6), one end of the U-shaped flow guide plate assembly (6) covers the heat dissipation and ventilation pore plate (5), the other end of the U-shaped flow guide plate assembly (6) extends into the heat transfer air duct (4), and the heat transfer air duct (4) is uniformly divided into a plurality of heat transfer air cavities (4-1) by the U-shaped flow guide plate assembly (6) and the heat dissipation and ventilation pore plate (5).
5. A uniformly heated annealing furnace according to claim 4, characterized in that: the U-shaped guide plate assembly (6) comprises a dividing plate (6-1) used for dividing heating gas from a heating and heat transfer air duct (4) and a guide plate (6-2) used for guiding the heating gas divided by the dividing plate (6-1), the dividing plate (6-1) is vertically arranged in the heat transfer air duct (4), the guide plate (6-2) is horizontally arranged in the heat transfer air duct (4), and the dividing plate (6-1) is fixedly connected with the guide plate (6-2).
6. A uniformly heated annealing furnace according to claim 1, characterized in that: the annealing part (3) is connected with the heating part (2) through a circulating device, and the circulating device is used for realizing the repeated circulating flow of the heating gas along the heating part (2), the uniform heat transfer diffusion mechanism and the annealing part (3) in sequence.
7. A uniformly heated annealing furnace according to claim 6, characterized in that: the circulating device comprises a heating box (7) and a circulating fan (8) which are arranged at an air outlet at the top of the annealing part (3), wherein an air outlet pipe of the heating box (7) is communicated with an air inlet of the circulating fan (8), and an air outlet pipe (8-1) of the circulating fan (8) is communicated with an air inlet of the heating part (2).
8. A uniformly heated annealing furnace according to claim 7, characterized in that: a plurality of groups of heating pipes (2-1) used for heating gas are uniformly distributed on the inner wall of the heating part (2).
9. A uniformly heated annealing furnace according to claim 8, characterized in that: a plurality of groups of placing frames (3-1) for placing annealing parts are uniformly distributed in the annealing part (3).
10. A uniformly heated annealing furnace according to claim 9, characterized in that: the bottom of the annealing furnace main body (1) is provided with universal wheels (1-1) used for moving the annealing furnace main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020942231.5U CN212504993U (en) | 2020-05-29 | 2020-05-29 | Annealing furnace capable of uniformly heating |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020942231.5U CN212504993U (en) | 2020-05-29 | 2020-05-29 | Annealing furnace capable of uniformly heating |
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| CN212504993U true CN212504993U (en) | 2021-02-09 |
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| CN202020942231.5U Active CN212504993U (en) | 2020-05-29 | 2020-05-29 | Annealing furnace capable of uniformly heating |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116751958A (en) * | 2023-08-24 | 2023-09-15 | 河南大成包装材料有限公司 | Wire annealing furnace with uniform heating |
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2020
- 2020-05-29 CN CN202020942231.5U patent/CN212504993U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116751958A (en) * | 2023-08-24 | 2023-09-15 | 河南大成包装材料有限公司 | Wire annealing furnace with uniform heating |
| CN116751958B (en) * | 2023-08-24 | 2023-11-07 | 河南大成包装材料有限公司 | Wire annealing furnace with uniform heating |
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