CN220724262U - Hot air circulation system of annealing furnace - Google Patents
Hot air circulation system of annealing furnace Download PDFInfo
- Publication number
- CN220724262U CN220724262U CN202322315086.4U CN202322315086U CN220724262U CN 220724262 U CN220724262 U CN 220724262U CN 202322315086 U CN202322315086 U CN 202322315086U CN 220724262 U CN220724262 U CN 220724262U
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- annealing furnace
- circulation system
- hot air
- air circulation
- air guide
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- 238000000137 annealing Methods 0.000 title claims abstract description 47
- 238000009423 ventilation Methods 0.000 claims abstract description 12
- 238000009413 insulation Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 8
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Furnace Details (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
The utility model discloses a hot air circulation system of an annealing furnace, which comprises a motor, a multi-wing fan and a guide cover arranged in the annealing furnace, wherein the upper end of the guide cover is provided with a vent hole, the motor is arranged at the top of the annealing furnace, and the output end of the motor is connected with the multi-wing fan; the multi-wing fan is arranged on the ventilation hole, the lower port of the multi-wing fan is communicated with the ventilation opening, and the side port is arranged on the upper side of the air guide sleeve. The multi-wing fan transmits hot air from the side port to the lower port, so that the hot air circulates around the guide cover; the requirements of the fan port on the space are avoided, the requirements on the installation space of the fan are reduced, and the utilization rate of the space of the annealing furnace is improved; the guide plate on the upper side of the guide cover can improve the efficiency of hot air circulation.
Description
Technical Field
The utility model relates to the technical field of annealing furnaces, in particular to a hot air circulation system of an annealing furnace.
Background
Annealing furnaces are important equipment for annealing processes, in which the metal is slowly heated to a certain temperature, held for a sufficient time, and then cooled at a suitable rate. The hot air circulation system is an important part of the annealing furnace for heat exchange and air circulation. At present, an axial flow fan is adopted in a hot air circulation system, air is introduced into the upper end of the axial flow fan, air is discharged from the lower end of the axial flow fan, the space requirements on the air inlet and the air outlet are large, and the space utilization rate in the annealing furnace is low.
Disclosure of Invention
Aiming at the technical problems in the prior art, the utility model provides the hot air circulation system of the annealing furnace, which reduces the requirement on the installation space of a fan and can improve the utilization rate of the space of the annealing furnace.
The utility model discloses a hot air circulation system of an annealing furnace, which comprises a motor, a multi-wing fan and a guide cover arranged in the annealing furnace, wherein the upper end of the guide cover is provided with a vent hole, the motor is arranged at the top of the annealing furnace, and the output end of the motor is connected with the multi-wing fan; the multi-wing fan is arranged on the ventilation hole, the lower port of the multi-wing fan is communicated with the ventilation opening, and the side port is arranged on the upper side of the air guide sleeve. The multi-wing fan transmits hot air from the side port to the lower port, so that the hot air circulates around the guide cover; the requirement of a fan port on space is avoided, the requirement on the fan installation space is reduced, and the utilization rate of the annealing furnace space is improved.
Preferably, a plurality of heaters are arranged in the mounting groove of the furnace roof at intervals and extend downwards; and the mounting groove is provided with a heater cover plate. And a plurality of motors and multi-wing fans are arranged on the furnace top at intervals.
Preferably, the multi-wing fan comprises a mounting disc, a mounting ring and blades, wherein a plurality of blades are arranged between the mounting disc and the mounting ring at intervals; the output end of the motor is connected with the mounting plate. A cone is arranged outside the vent hole, and the mounting ring is in clearance fit with the cone; the downside of ventilation hole is provided with the filter screen. The blades are arc-shaped blades, and the included angle between the connecting line of the two ends of the arc of each arc-shaped blade and the radial direction of the mounting disc is 10-18 degrees. The multi-wing fan is provided with two layers of blades.
Preferably, the guide cover is hung in the annealing furnace through a hanging rod; the side wall of the air guide sleeve is provided with an adjusting window; the annealing furnace comprises an annealing furnace body, a furnace bottom and a guide piece, wherein the furnace bottom of the annealing furnace body is provided with a support piece; the furnace wall of the annealing furnace is provided with a heat insulation layer; one side of the annealing furnace is provided with a step ladder, and the furnace top is provided with a guardrail.
Preferably, the motor is mounted on the furnace roof through a motor box; the plurality of motors are arranged on the furnace roof at intervals.
Preferably, an air channel is formed between the side wall of the air guide sleeve and the furnace wall of the annealing furnace, a plurality of air guide plates are arranged on the upper side of the air guide sleeve, one end of each air guide plate extends to the side port, and the other end of each air guide plate extends to the air channel. The left side and the right side of the air guide sleeve are respectively provided with an air channel, the inner ends of the two air guide sleeve are connected, and the area at the front side or the rear side is separated from the air channels.
Compared with the prior art, the utility model has the beneficial effects that: the multi-wing fan transmits hot air from the side port to the lower port, so that the hot air circulates around the guide cover; the requirement of a fan port on space is avoided, the requirement on the fan installation space is reduced, and the utilization rate of the annealing furnace space is improved.
Drawings
FIG. 1 is a schematic view of the heated air circulation system of the present utility model;
FIG. 2 is a schematic diagram of the installation of a multi-wing blower;
FIG. 3 is a schematic view of a multi-wing blower;
FIG. 4 is a schematic structural view of an annealing furnace;
fig. 5 is a schematic distribution of baffles.
The marks in the figure: 1 annealing furnace, 11 furnace bottom, 12 mounting groove, 13 suspender, 14 furnace top, 15 furnace door, 16 furnace wall, 17 support piece, 18 heater cover plate, 19 heat insulation layer; 21 air guide sleeve, 22 cone, 23 filter screen, 24 adjusting window, 26 guide piece, 27 guide plate and 28 air channel; 3 steps, 31 guardrails; 4 hot air circulation system, 41 motor, 42 motor box, 5 multi-wing fan, 51 mounting plate, 52 blade, 53 mounting ring, 6 heater.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model is described in further detail below with reference to the attached drawing figures:
1-4, a hot air circulation system 4 of an annealing furnace comprises a motor 41, a multi-wing fan 5 and a guide cover 21 arranged in the annealing furnace 1, wherein the upper end of the guide cover 21 is provided with a vent hole, the motor 41 is arranged on the top 14 of the annealing furnace 1, and the output end of the motor 41 is connected with the multi-wing fan 5; the multi-wing fan 5 is installed on the ventilation hole, the lower port of the multi-wing fan 5 is communicated with the ventilation hole, and the side port is arranged on the upper side of the air guide sleeve 21.
The multi-wing fan 5 transmits hot air from the side port to the lower port, so that the hot air circulates around the air guide sleeve 21; the requirement of a fan port on space is avoided, the requirement on the fan installation space is reduced, and the utilization rate of the annealing furnace space is improved.
Wherein the circulating wind can be heated or kept warm by a heater 6 provided in the annealing furnace 1. Specifically, a plurality of heaters 6 are arranged in the mounting groove 12 of the furnace roof 14 at intervals and extend downward; the mounting groove 12 is provided with a heater cover 18.
Fig. 2 and 3 show a specific structure of the multi-wing blower 5: comprises a mounting plate 51, a mounting ring 53 and a plurality of blades 52 arranged between the mounting plate 51 and the mounting ring 53 at intervals; the output end of the motor 41 is connected to the mounting plate 51 for driving the fan in rotation. In one embodiment, the lower port of the mounting ring 53 is an air outlet port, and the side port of the blade 52 is an air suction port, but is not limited thereto. The outer side of the vent hole can be provided with a cone 22, and the mounting ring 53 is in clearance fit with the cone 22, so that the mounting ring 53 and the cone 22 can rotate relatively; the underside of the vent may be provided with a filter screen 23. The baffle 27 is removed in fig. 2.
Wherein, the blade 52 is a circular arc blade, and the included angle between the connecting line of the two ends of the circular arc blade and the radial direction of the mounting disc 51 is 10-18 degrees, preferably 12.5 degrees. Optionally, the multi-wing fan 5 is arranged with two layers of blades 52.
As shown in fig. 1 and 2, the pod 21 is suspended in the lehr 1 by a boom 13; the side wall of the air guide sleeve 21 is provided with an adjusting window 24 for adjusting the ventilation quantity of the air guide sleeve 21; the hearth 11 of the lehr 1 is provided with supports 17 for supporting the work product, such as aluminum foil. One side of the furnace bottom may be provided with a guide for reducing windage. The furnace wall of the annealing furnace 1 is provided with a heat insulating layer 19. As shown in fig. 4, a step 3 is arranged on one side of the annealing furnace 1, a guardrail 31 is arranged on the furnace top 14, and a furnace door 15 is arranged on the front side of the annealing furnace 1.
Wherein the motor 41 is mounted to the stove top 14 by a motor housing 42. The furnace roof can be provided with a plurality of motors, the heat circulation can be enhanced by the plurality of motors 41 and the plurality of fans, wherein, a plurality of through holes can be arranged on the upper side of the air guide sleeve, and a baffle plate for separating the through holes is arranged in the air guide sleeve.
Fig. 1 and 5 show the structure of the upper baffle 27 of the pod 21: an air duct 28 is formed between the side wall of the air guide sleeve 21 and the furnace wall 16 of the annealing furnace 1, a plurality of air guide plates 27 are arranged on the upper side of the air guide sleeve 21, one end of each air guide plate 27 extends towards a side port, the other end of each air guide plate extends towards the air duct, and the air guide plates are used for guiding gas and liquid between the side ports of the multi-wing fans and the air duct, so that the efficiency of hot air circulation is improved. In fig. 5, air ducts 28 are respectively disposed on the left and right sides of the air guide cover 21, and the inner ends of two adjacent air guide covers 21 on the front side or the rear side are connected, and the front side or the rear side area is separated from the air ducts 28, so that the wind resistance can be reduced, and the efficiency of hot air circulation can be improved.
In the hot air circulation system, the air guide sleeve is used for separating the hot air circulation channel, the motor and the multi-wing fan provide power for hot air circulation, compared with an axial flow fan, the installation space of an upper port can be effectively saved, the requirement on the installation space of the fan is reduced, and the utilization rate of the space of the annealing furnace can be improved.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (9)
1. A hot air circulation system of an annealing furnace is characterized by comprising a motor, a multi-wing fan and a guide cover which are arranged in the annealing furnace,
the upper end of the air guide sleeve is provided with a vent hole,
the motor is arranged at the top of the annealing furnace, and the output end of the motor is connected with the multi-wing fan;
the multi-wing fan is arranged on the ventilation hole, the lower port of the multi-wing fan is communicated with the ventilation hole, and the side port is arranged on the upper side of the air guide sleeve.
2. The heated air circulation system of claim 1, further comprising a heater disposed within the lehr.
3. The hot air circulation system of claim 2, wherein a plurality of heaters are spaced apart in the mounting slot of the cooktop and extend downwardly;
and the mounting groove is provided with a heater cover plate.
4. The heated air circulation system of claim 1, wherein the multi-wing fan includes a mounting plate, a mounting ring, and a plurality of vanes spaced between the mounting plate and the mounting ring;
the output end of the motor is connected with the mounting plate.
5. The hot air circulation system according to claim 4, wherein a cone is arranged outside the ventilation hole, and the mounting ring is in clearance fit with the cone;
the downside of ventilation hole is provided with the filter screen.
6. The hot air circulation system according to claim 4, wherein the blades are arc-shaped blades, and an included angle between a connecting line of two arc ends of each arc-shaped blade and the radial direction of the mounting disc is 10-18 degrees;
the multi-wing fan is provided with two layers of blades.
7. The heated air circulation system of claim 1, wherein the pod is suspended within the lehr by a boom; the side wall of the air guide sleeve is provided with an adjusting window;
the annealing furnace comprises an annealing furnace body, a furnace bottom and a guide piece, wherein the furnace bottom of the annealing furnace body is provided with a support piece;
the furnace wall of the annealing furnace is provided with a heat insulation layer;
one side of the annealing furnace is provided with a step ladder, and the furnace top is provided with a guardrail.
8. The hot air circulation system according to claim 1, wherein an air duct is formed between the side wall of the air guide sleeve and the wall of the annealing furnace,
the upper side of the air guide sleeve is provided with a plurality of air guide plates, one ends of the air guide plates extend towards the side ports, and the other ends of the air guide plates extend towards the air channels.
9. The hot air circulating system as claimed in claim 8, wherein the air guide sleeve is provided with air channels on the left and right sides,
the inner ends of two adjacent fairings on the front side or the rear side are connected, and the area on the front side or the rear side is separated from the air duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322315086.4U CN220724262U (en) | 2023-08-28 | 2023-08-28 | Hot air circulation system of annealing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322315086.4U CN220724262U (en) | 2023-08-28 | 2023-08-28 | Hot air circulation system of annealing furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220724262U true CN220724262U (en) | 2024-04-05 |
Family
ID=90500532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322315086.4U Active CN220724262U (en) | 2023-08-28 | 2023-08-28 | Hot air circulation system of annealing furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220724262U (en) |
-
2023
- 2023-08-28 CN CN202322315086.4U patent/CN220724262U/en active Active
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