CN210268154U - Rotary blank heating furnace - Google Patents
Rotary blank heating furnace Download PDFInfo
- Publication number
- CN210268154U CN210268154U CN201920825163.1U CN201920825163U CN210268154U CN 210268154 U CN210268154 U CN 210268154U CN 201920825163 U CN201920825163 U CN 201920825163U CN 210268154 U CN210268154 U CN 210268154U
- Authority
- CN
- China
- Prior art keywords
- furnace body
- rotary
- rotary furnace
- heating
- furnace
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Tunnel Furnaces (AREA)
Abstract
The utility model belongs to the technical field of heating furnaces, in particular to a rotary blank heating furnace, which comprises a rotary furnace body, a support frame and a support mechanism, wherein the rotary furnace body is arranged on the support frame, and the rotary furnace body is rotationally connected with the support frame; the rotary furnace body is connected with a driving mechanism, the rotary furnace body is driven to rotate through the driving mechanism, the cross section of the rotary furnace body is semicircular, a plurality of heating channels are arranged on the rotary furnace body and evenly distributed along the rotating shaft of the rotary furnace body, and the supporting mechanism is connected with the rotary furnace body and used for supporting the rotary furnace body. The cross section of the rotary furnace body is semicircular and is effectively supported by the support frame and the support mechanism, so that the reliable operation of the furnace body is ensured. The weight of the rotary furnace body is greatly reduced, thereby reducing the loss caused by later production.
Description
Technical Field
The utility model belongs to the technical field of the heating furnace, concretely relates to rotation blank heating furnace.
Background
At present, the heating operation line forms adopted in the rolling production process of pipes and bars and wires mainly comprise the following types:
continuous heating furnace line
The heating furnace and the rolling mill of the continuous heating furnace operating line are arranged in an L shape, and the blank is sent into the furnace from one end of the continuous heating furnace through a charging facility. In the heating process, the blank runs along the transverse direction of the blank, and after the blank reaches the heating temperature, the blank is pushed out of the heating furnace by the pusher in the transverse direction or the longitudinal direction. And conveying the blanks out of the furnace to the front of the rolling mill by a conveying roller way. In the production of tube and bar materials, heating furnaces used include a stepping continuous heating furnace, a pusher heating furnace and an inclined hearth furnace.
The disadvantages of such a heating line are: (1) all blanks move from the furnace head to the furnace tail, the furnace bottom structure is heavy, and the energy consumption is high during operation; (2) the blank runs for a long distance at high temperature, and burning loss is serious; (3) when the rolling is not smooth, the blank stays in the furnace or is pushed out of the furnace, so that heat loss and blank loss are caused; (4) the position of the furnace is far away from the rolling mill, the running time outside the blank furnace is long, and the heat loss is large; (5) the operation line is long, the occupied area of the workshop is large, and the construction cost of the workshop is high.
Annular heating furnace operation line
The heating furnace and the rolling mill of the annular heating furnace operating line are arranged in a q shape, and the annular heating furnace with the diameter of dozens of meters is arranged in front of the side of the main rolling line. The annular furnace heating furnace consists of circular inner and outer walls and an annular furnace bottom, the furnace bottom can rotate, blanks are sent into the furnace through a furnace opening by a manipulator, the furnace bottom rotates by a station and then sends a second blank, the furnace bottom rotates by a station until the first blank reaches an outlet, the heated blanks are taken out by the manipulator, fall on a transverse rolling rack and roll on a roller way in front of the machine to be sent into a rolling mill.
The disadvantages of such a heating line are: (1) the furnace body is annular, the feeding and discharging are not easy to be coordinated with a rolling line, and the workshop design and equipment arrangement are difficult; (2) the furnace bottom structure is heavy, and the energy consumption is high during operation; (3) the space of the furnace bottom is large, the gaps of the furnace body are many, and the heat loss is serious; (3) the furnace is operated at high temperature, and when rolling is not smooth, the blank stays in the furnace or is pushed out of the furnace, so that heat loss and blank loss are caused; (4) the blank is in a high-temperature state for a long time, and the burning loss is serious; (5) the furnace body is annular, the floor area is large, the span of a factory building is large, the construction difficulty is large, and the manufacturing cost is high; (6) the furnace is located far from the rolling mill, and the heat loss of the blank is large.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model provides a rotation blank heating furnace, this heating furnace is semi-circular to alleviate whole weight, reduce the energy consumption when moving.
In order to solve the technical problem, the utility model discloses a technical scheme be:
a rotary blank heating furnace comprises a rotary furnace body, a support frame and a support mechanism, wherein the rotary furnace body is arranged on the support frame and is rotationally connected with the support frame; the rotary furnace body is connected with a driving mechanism, the rotary furnace body is driven to rotate through the driving mechanism, the cross section of the rotary furnace body is semicircular, a plurality of heating channels are arranged on the rotary furnace body and evenly distributed along the rotating shaft of the rotary furnace body, and the supporting mechanism is connected with the rotary furnace body and used for supporting the rotary furnace body.
The driving mechanism adopts a gear driving mechanism.
The supporting mechanism comprises an arc-shaped support and a plurality of carrier rollers, the carrier rollers are distributed in an arc shape and are rotationally connected with the arc-shaped support, and the carrier rollers are in contact connection with the rotary furnace body.
The supporting mechanism is provided with two.
The automatic steel pushing and rolling device is characterized by further comprising a steel pusher and a rolling mill, wherein the steel pusher is located at one end of the rotary furnace body, the rolling mill is located at the other end of the rotary furnace body, and corresponding conveying roller ways are arranged at two ends of the rotary furnace body respectively.
The pusher, the rolling mill, the rotary furnace body and the conveying roller way are arranged in a straight line.
Heaters which operate independently are respectively arranged in each heating channel.
The heater is composed of a plurality of sections of heating rings which respectively and independently operate.
Compared with the prior art, the utility model, the beneficial effect who has is:
the cross section of the rotary furnace body is semicircular and is effectively supported by the support frame and the support mechanism, so that the reliable operation of the furnace body is ensured. The weight of the rotary furnace body is greatly reduced, thereby reducing the loss caused by later production.
The heating furnace is close to the inlet of the rolling mill, the blank runs along the axis, the running time outside the furnace is short, the temperature drop loss is less, and the temperature difference between the head and the tail of the blank is small; the furnace body operation mechanism is simple and convenient to maintain; the method is suitable for small-batch production of various products and specifications; the blank is convenient to enter and exit the furnace, and can exit the heating furnace under the condition that the production process is terminated, so that the blank loss is reduced.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the rotary furnace body of the present invention;
FIG. 3 is a sectional view of the rotary furnace body of the present invention;
fig. 4 is a schematic structural diagram of the supporting mechanism of the present invention;
fig. 5 is a schematic structural diagram of an embodiment of the present invention;
fig. 6 is a schematic structural view of the heater of the present invention;
wherein: the device comprises a rotary furnace body 1, a heating channel 11, a support frame 2, a support mechanism 3, an arc-shaped support 31, a carrier roller 32, a driving mechanism 4, a pusher 5, a rolling mill 6 and a conveying roller way 7.
Detailed Description
The technical solutions in the embodiments of the present invention are described below clearly and completely, 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.
As shown in fig. 1 to 4, a rotary blank heating furnace comprises a rotary furnace body 1, a support frame 2 and a support mechanism 3, wherein the rotary furnace body 1 is arranged on the support frame 2, and the rotary furnace body 1 is rotatably connected with the support frame 2; the rotary furnace body 1 is connected with a driving mechanism 4, and the rotary furnace body 1 is driven to rotate by the driving mechanism 4. The driving mechanism 4 can adopt a chain driving mechanism, a friction type driving mechanism and a gear driving mechanism. The specific structure of the gear driving mechanism is well known to those skilled in the art, and comprises a gear ring, a gear and a reduction motor, wherein the gear ring is arranged on the rotary furnace body 1, the gear is meshed with the gear ring, and an output shaft of the reduction motor is connected with the gear.
The cross section of the rotary furnace body 1 is semicircular, namely the whole shape of the rotary furnace body 1 is a semi-cylinder; the rotary furnace body 1 is provided with a plurality of heating channels 11, the heating channels 11 are evenly distributed along the rotating shaft of the rotary furnace body 1, and the specific number of the heating channels 11 is adjusted and designed according to the actual situation. Specifically, in order to reduce the resistance during rotation, two ends of a rotating shaft of the rotating furnace body 1 are respectively connected with the support frame 2 through bearings, bearing sleeves are arranged on the rotating shaft, the inner ring of the bearing sleeves is connected with the rotating shaft, and the outer ring of the bearing sleeves is connected with the support frame 2.
The supporting mechanism 3 is connected with the rotary furnace body 1 and mainly used for supporting the rotary furnace body 1 and ensuring stable rotation; the support mechanism 3 can thus be realized with support wheels as is common in the art.
Further, the supporting mechanism 3 comprises an arc-shaped support 31 and a carrier roller 32, and the carrier roller 32 is provided with a plurality of arc-shaped distribution, so that the outer surface of the rotary furnace body 1 can be better attached. Each carrier roller 32 is rotationally connected with the arc-shaped bracket 31, and the carrier rollers 32 are in contact connection with the rotary furnace body 1. When the rotary furnace body 1 rotates, the carrier roller 32 can be driven to rotate by friction force, and the carrier roller 32 plays an effective supporting role.
Further, two support mechanisms 3 are preferably provided.
As shown in fig. 5, further, the furnace body further comprises a pusher 5 and a rolling mill 6, wherein the pusher 5 is located at one end (feeding side) of the rotary furnace body 1, the rolling mill 6 is located at the other end (discharging side) of the rotary furnace body 1, and two ends of the rotary furnace body 1 are respectively provided with corresponding roller conveyors 7, so that a complete production line is formed. The pusher 5, the rolling mill 6, the rotary furnace body 1 and the conveying roller way 7 are arranged in a straight line.
When the rotary furnace body 1 works, the rotary furnace body 1 rotates left and right in a stepping mode, the rotary furnace body 1 stops at a feeding position, and the pusher 5 pushes blanks into the heating channel 11 for heating; the driving mechanism 4 is started to rotate the rotary furnace body 1 by an angle, and stops when the rotary furnace body reaches the next feeding position, and the pusher 5 pushes the next blank into the heating channel 11 and continues the previous process. When the heated blank reaches the position of the discharge hole, the pusher 5 pushes the blank out, and the blank is sent to the rolling mill 6 for rolling through the conveying roller way 7.
Further, as shown in fig. 6, heaters are provided in the heating passages 11, and the heating system of each heater can be set individually. The heater consists of a plurality of sections of heating rings, the heating rings are heated by adopting resistance heating elements, the heating elements of each section of heating ring are independently arranged, and the heater has adjustable temperature distribution gradient along the length direction.
The above description has been made in detail only for the preferred embodiment of the present invention, but the present invention is not limited to the above embodiment, and various changes can be made without departing from the spirit of the present invention within the knowledge scope of those skilled in the art, and all such changes are intended to be encompassed by the present invention.
Claims (8)
1. A rotary blank heating furnace is characterized in that: the furnace comprises a rotary furnace body (1), a support frame (2) and a support mechanism (3), wherein the rotary furnace body (1) is arranged on the support frame (2) and is rotationally connected with the support frame (2); the rotary furnace body (1) is connected with a driving mechanism (4), the rotary furnace body (1) is driven to rotate through the driving mechanism (4), the cross section of the rotary furnace body (1) is semicircular, a plurality of heating channels (11) are arranged on the rotary furnace body (1), the heating channels (11) are evenly distributed along the rotating shaft of the rotary furnace body (1), and the supporting mechanism (3) is connected with the rotary furnace body (1) and used for supporting the rotary furnace body (1).
2. The rotary billet heating furnace as set forth in claim 1, wherein: the driving mechanism (4) adopts a gear driving mechanism.
3. The rotary billet heating furnace as set forth in claim 1, wherein: the supporting mechanism (3) comprises an arc-shaped support (31) and carrier rollers (32), the carrier rollers (32) are distributed in an arc shape and are rotatably connected with the arc-shaped support (31), and the carrier rollers (32) are in contact connection with the rotary furnace body (1).
4. The rotary billet heating furnace as set forth in claim 1, wherein: the number of the supporting mechanisms (3) is two.
5. The rotary billet heating furnace as set forth in claim 1, wherein: the rotary furnace is characterized by further comprising a pusher (5) and a rolling mill (6), wherein the pusher (5) is located at one end of the rotary furnace body (1), the rolling mill (6) is located at the other end of the rotary furnace body (1), and corresponding conveying roller ways (7) are arranged at two ends of the rotary furnace body (1) respectively.
6. The rotary billet heating furnace as set forth in claim 5, wherein: the pusher (5), the rolling mill (6), the rotary furnace body (1) and the conveying roller way (7) are arranged in a straight line.
7. The rotary billet heating furnace as set forth in claim 1, wherein: heaters which operate independently are respectively arranged in each heating channel (11).
8. The rotary billet heating furnace as set forth in claim 7, wherein: the heater is composed of a plurality of sections of heating rings which respectively and independently operate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920825163.1U CN210268154U (en) | 2019-06-03 | 2019-06-03 | Rotary blank heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920825163.1U CN210268154U (en) | 2019-06-03 | 2019-06-03 | Rotary blank heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210268154U true CN210268154U (en) | 2020-04-07 |
Family
ID=70040249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920825163.1U Active CN210268154U (en) | 2019-06-03 | 2019-06-03 | Rotary blank heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210268154U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186275A (en) * | 2019-06-03 | 2019-08-30 | 太原科技大学 | A kind of rotary blank material heating furnace |
-
2019
- 2019-06-03 CN CN201920825163.1U patent/CN210268154U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186275A (en) * | 2019-06-03 | 2019-08-30 | 太原科技大学 | A kind of rotary blank material heating furnace |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2170151C2 (en) | Rolling mill and method for rolling blanks in such mill | |
| CN103769398B (en) | vehicle-mounted oil pipe cleaning device | |
| CN101818238B (en) | Roller-hearth solution furnace | |
| CN103060544A (en) | Long-rod type workpiece heat treatment line | |
| CN103008348B (en) | Skew rolling pipe rolling mill set | |
| CN210268154U (en) | Rotary blank heating furnace | |
| CN105728603B (en) | Round steel is by bringing-up section successively continuous pure head rolling equipment | |
| CN201648468U (en) | Roller-hearth type solid solution furnace | |
| JP2012187593A (en) | Apparatus for heating forging stock | |
| CN210420054U (en) | Auger type quenching furnace | |
| CN211527011U (en) | Tunnel cave drying system | |
| CN207738819U (en) | Multichannel roller transmission system, heating furnace | |
| CN203638668U (en) | Row-up rack for section steel transferring | |
| CN218380410U (en) | Natural gas type aluminum bar extrusion heating furnace | |
| CN216582790U (en) | A aluminium alloy material loading conveyor for processing | |
| CN214987946U (en) | Tubular product conveying loading attachment | |
| CN207090348U (en) | A kind of steel ball treats warm helix transporting device | |
| CN214502058U (en) | Turning transmission track suitable for rapid heating billet manufacturing | |
| CN214039512U (en) | Novel stepping furnace | |
| CN203096127U (en) | Heat treatment line for long rod type workpieces | |
| CN203638669U (en) | Chain conveying mechanism for section steel transferring | |
| CN213887612U (en) | Cold drawing machine capable of stably discharging | |
| CN206817982U (en) | A kind of substep efficiently corrects the transmitting device of roller kilns adobe trend | |
| CN110186275A (en) | A kind of rotary blank material heating furnace | |
| CN103013537A (en) | Destructive distillation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |