CN214458199U - Double-layer split-roller bottom type annealing furnace - Google Patents
Double-layer split-roller bottom type annealing furnace Download PDFInfo
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- CN214458199U CN214458199U CN202120432740.8U CN202120432740U CN214458199U CN 214458199 U CN214458199 U CN 214458199U CN 202120432740 U CN202120432740 U CN 202120432740U CN 214458199 U CN214458199 U CN 214458199U
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Abstract
The utility model relates to a double-layer split roller bottom type annealing furnace, which is used for heat treatment in the annealing furnace. The annealing furnace comprises an upper furnace flue and a lower furnace flue, wherein the furnace flue comprises a feeding heat exchange chamber, an annealing chamber and a discharging heat exchange chamber which are sequentially connected; the upper discharging heat exchange chamber is arranged above the lower feeding heat exchange chamber, the upper feeding heat exchange chamber is arranged above the lower discharging heat exchange chamber, the upper and lower heat exchange chambers are communicated with each other, and the upper and lower annealing chambers work independently; the transfer mechanism is provided with two layers of feeding ends and discharging ends which respectively correspond to the two layers of furnace paths, so that workpieces at two ends are transferred. The product adopts the direct heat exchange mode between the upper layer and the lower layer to recover the waste heat of the waste gas, thereby greatly improving the heat efficiency and reducing the energy consumption so as to save the production cost.
Description
Technical Field
The utility model relates to a double-layer split roller bottom type annealing furnace, which is used for heat treatment in the annealing furnace.
Background
In a traditional heat treatment annealing furnace, a workpiece is usually processed by only one hearth layer, the yield is improved by widening and lengthening and properly heightening the hearth, and one-time wire annealing process can be basically completed within 5-8 hours, so that a large yield is completed by a very long production line, or a plurality of annealing low-yield annealing furnaces are completed together, and the annealing area is large in occupied land; the working temperature of the heat treatment annealing furnace is about 350 ℃, and because the temperature is relatively low, a waste heat recovery system is not arranged to recover and utilize waste heat of waste flue gas generated by combustion of the waste heat recovery system.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems existing in the prior art and provide a novel double-layer split-roller bottom annealing furnace.
The utility model adopts the technical scheme as follows:
a double-layer split roller hearth annealing furnace comprises an upper layer of furnace path and a lower layer of furnace path, wherein the furnace path comprises a feeding heat exchange chamber, an annealing chamber and a discharging heat exchange chamber which are sequentially connected; the upper discharging heat exchange chamber is arranged above the lower feeding heat exchange chamber, the upper feeding heat exchange chamber is arranged above the lower discharging heat exchange chamber, the upper and lower heat exchange chambers are communicated with each other, and the upper and lower annealing chambers work independently; the transfer mechanism is provided with two layers of feeding ends and discharging ends which respectively correspond to the two layers of furnace paths, so that workpieces at two ends are transferred.
Preferably, the transfer mechanism comprises a loading and unloading roller way, a rotary lifting roller way, a feeding roller way, a discharging roller way, a transfer trolley and a transfer trolley support, wherein the feeding end and the discharging end of the furnace channel are respectively provided with the transfer trolley support, and the transfer trolley transversely moves to the feeding end and the discharging end of the furnace channel along the transfer trolley support; a rotary lifting roller way is arranged between the feeding roller way and the discharging roller way, and one side of the rotary lifting roller way is connected with the loading and unloading roller way.
Preferably, an annealing chamber feeding inner door and an annealing chamber discharging inner door are arranged on two sides of the annealing chamber, a feeding furnace door is arranged on one side of the feeding heat exchange chamber, and a discharging furnace door is arranged on one side of the discharging heat exchange chamber.
Preferably, an annealing chamber roller way is arranged in the annealing chamber, and heat exchange chamber roller ways are arranged in the feeding heat exchange chamber and the discharging heat exchange chamber.
Preferably, the material heat exchange chamber and the discharge heat exchange chamber are internally provided with a heat exchange chamber circulating fan, a heat exchange chamber upper air channel, a heat exchange chamber side air channel and a heat exchange chamber lower air channel, the heat exchange chamber circulating fan pumps the heat of the workpiece at high temperature in the discharge heat exchange chamber into the heat exchange chamber upper air channel, then the heat enters the heat exchange chamber lower air channel through the heat exchange chamber side air channel, and then the heat is blown into the feeding heat exchange chamber, so that the cold workpiece which just enters the furnace is directly preheated.
Preferably, an annealing chamber circulating fan, an annealing chamber burner, an annealing chamber upper air channel, an annealing chamber side air channel and an annealing chamber lower air channel are arranged in the annealing chamber, and heat generated by combustion of the annealing chamber burner is pumped into the annealing chamber side air channel through the annealing chamber upper air channel by the annealing chamber circulating fan and then blown out through the annealing chamber lower air channel to heat the workpiece.
Compared with the prior art, the beneficial effects of the utility model are that:
the product adopts a mode of directly carrying out heat exchange between an upper layer and a lower layer to carry out waste gas waste heat recovery, so that the heat efficiency can be greatly improved, and the energy consumption is reduced, thereby saving the production cost; the upper and lower layers are provided with the annealing chambers which work independently, compared with the annealing furnaces with the same yield, the floor area is greatly reduced, space is saved for production, and because the two annealing chambers can work independently, the production can be flexibly arranged on the production arrangement, only one annealing chamber is opened in small batches, and the double-layer alternative work is realized after the quantity is large; the circulating mode of bottom air outlet after the upper heating air suction side is circularly stirred is adopted, hot air is fully stirred by the centrifugal fan blade and then blown out from the bottom, the uniformity of the temperature in the furnace is greatly improved, and the good treatment effect of the product is further improved; the turnover conveying of the feeding and discharging of the annealing furnace is only provided with one material loading and unloading conveying roller way, other conveying roller ways controlled by an automatic program and a transfer trolley are all completed, the degree of automation is very high, the annealing temperature and the annealing time can be set according to the process requirements after the materials are loaded, and the management efficiency of field materials can be greatly improved.
Drawings
Fig. 1 is a front sectional view of the product.
Fig. 2 is a cross-sectional view a-a of fig. 1.
Fig. 3 is a sectional view of B-B in fig. 2.
Fig. 4 is a cross-sectional view of C-C in fig. 2.
Description of reference numerals: 1. a discharge transfer trolley support; 2. a lower layer feeding transfer trolley; 3. a lower layer feeding furnace door; 4. a lower feed heat exchange chamber; 5. a feeding inner door of the lower annealing chamber; 6. a lower annealing chamber; 7. a discharging inner door of the lower annealing chamber; 8. a lower layer discharging heat exchange chamber; 9. a lower layer discharge furnace door; 10. a lower layer discharging transfer trolley; 11. a feeding transfer trolley support; 12. an upper layer feeding transfer trolley; 13. an upper layer feeding furnace door; 14. an upper layer feeding heat exchange chamber; 15. an upper annealing chamber feeding inner door; 16. an upper annealing chamber; 17. an upper annealing chamber discharge inner door; 18. an upper layer discharging heat exchange chamber; 19. an upper layer discharging furnace door; 20. an upper layer discharging transfer trolley;
2/20, lower layer feeding transfer vehicle/upper layer discharging transfer vehicle; 3/19, lower layer feeding furnace door/upper layer discharging furnace door; 4/18, lower layer feeding heat exchange chamber/upper layer discharging heat exchange chamber; 5/17, a lower annealing chamber feeding inner door/an upper annealing chamber discharging inner door; 6/16, upper/lower annealing chamber; 7/15, a lower annealing chamber discharging inner door/an upper annealing chamber feeding inner door; 8/14, lower layer discharge heat exchange chamber/upper layer feed heat exchange chamber; 9/13, lower layer discharging furnace door/upper layer feeding furnace door; 10/12, lower layer discharging transfer vehicle/upper layer feeding transfer vehicle; 21/22, lower layer feeding roller way/upper layer discharging roller way; 23. rotating the lifting roller way; 24. loading and unloading roller bed; 25/26, lower layer discharging roller way/upper layer feeding roller way;
4/8, lower feed/discharge heat exchange chamber; 14/18, upper layer feeding/discharging heat exchange chamber; 21/25, lower layer feeding roller way/lower layer discharging roller way; 22/26, an upper discharging roller way/an upper feeding roller way; 27. a heat exchange chamber circulating fan; 28. an upper air duct of the heat exchange chamber; 29. an upper layer heat exchange chamber roller way; 30. a side air duct of the heat exchange chamber; 31. a heat exchange chamber lower air duct; 32. a lower layer heat exchange chamber roller way; 33. the upper annealing chamber circulating fan; 34. an upper annealing chamber side air duct; 35. a lower air duct of the upper annealing chamber; 36. an upper annealing chamber roller way; 37. an upper air duct of the upper annealing chamber; 38. the upper annealing chamber burner; 39. a circulating fan of the lower annealing chamber; 40. the lower annealing chamber side air duct; 41. a lower air duct of the lower annealing chamber; 42. a lower annealing chamber roller way; 43. an upper air duct of the lower annealing chamber; 44. the lower annealing chamber burner.
Note that: in the drawings, since some parts overlap, reference numerals overlap and embodiments can be distinguished.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The functions of conveying, rotating, lifting, displacing and the like of the transfer trolley, the rotary lifting roller way and various conveying roller ways in the embodiment are all the prior art, and therefore detailed description is omitted.
Example (b):
as shown in fig. 1-4, the present embodiment is a double-layer split roller hearth annealing furnace, which comprises an upper and a lower furnace paths, wherein the furnace paths comprise a feeding heat exchange chamber, an annealing chamber and a discharging heat exchange chamber which are connected in sequence; the upper discharging heat exchange chamber is arranged above the lower feeding heat exchange chamber, the upper feeding heat exchange chamber is arranged above the lower discharging heat exchange chamber, the upper and lower heat exchange chambers are communicated with each other, and the upper and lower annealing chambers work independently; the transfer mechanism is provided with two layers of feeding ends and discharging ends which respectively correspond to the two layers of furnace paths, so that workpieces at two ends are transferred.
The transfer mechanism of the embodiment comprises a loading and unloading roller way, a rotary lifting roller way, a feeding roller way, a discharging roller way, a transfer vehicle and a transfer vehicle support, wherein the feeding end and the discharging end of the furnace way are respectively provided with a transfer vehicle support (1 a discharging transfer vehicle support and 11 a feeding transfer vehicle support), and the transfer vehicle transversely moves to the feeding end and the discharging end of the furnace way along the transfer vehicle supports; a rotary lifting roller way is arranged between the feeding roller way and the discharging roller way, and one side of the rotary lifting roller way is connected with the loading and unloading roller way.
The annealing chamber both sides of this embodiment are equipped with annealing chamber feeding inner door and annealing chamber ejection of compact inner door, and feeding heat transfer chamber one side is equipped with the feeding furnace gate, and ejection of compact heat transfer chamber one side is equipped with the ejection of compact furnace gate.
The annealing chamber of this embodiment is equipped with the annealing chamber roll table, is equipped with the heat transfer room roll table in feeding heat transfer room and the ejection of compact heat transfer room.
The material heat transfer chamber of this embodiment all is equipped with wind channel under heat transfer chamber circulating fan, the heat transfer chamber wind channel on, the heat transfer chamber side wind channel and the heat transfer chamber in with ejection of compact heat transfer chamber, and heat transfer chamber circulating fan takes out the work piece heat that is in the high temperature in the heat transfer chamber and goes into wind channel on the heat transfer chamber, and the wind channel under rethread heat transfer chamber side wind channel gets into the heat transfer chamber, and in the feeding heat transfer chamber of blowing back, the realization was directly preheated the cold work piece of entering the stove just.
The annealing chamber of this embodiment is equipped with annealing chamber circulating fan, annealing chamber nozzle, wind channel, annealing chamber side wind channel and the wind channel under the annealing chamber on the annealing chamber, and annealing chamber circulating fan takes out the heat of annealing chamber nozzle burning into annealing chamber side wind channel through the wind channel on the annealing chamber, and the back blows off through the wind channel under the annealing chamber, heats the work piece.
The working process of the product (part of technical names adopt upper layer, lower layer, feeding and discharging to make specific distinction so as to be convenient for understanding):
the annealing furnace is structurally divided into an upper annealing chamber and a lower heat exchange chamber which can work independently, the lower layer is a 2-layer feeding transfer trolley, a 4-layer feeding heat exchange chamber, a 6-layer annealing chamber, an 8-layer discharging heat exchange chamber and a 10-layer discharging transfer trolley from left to right, the upper layer is a discharging transfer trolley, a discharging heat exchange chamber, an annealing chamber, a feeding heat exchange chamber and a 12-layer feeding transfer trolley from left to right, the upper layer and the lower layer are arranged just oppositely, namely an 18-layer discharging heat exchange chamber is arranged above the 4-layer feeding heat exchange chamber, a 14-layer feeding heat exchange chamber is arranged above the 8-layer discharging heat exchange chamber, the upper heat exchange chamber and the lower heat exchange chamber are communicated with each other, when the upper layer and the lower layer work simultaneously, a workpiece is loaded into a material frame, enters a 23-rotating lifting roller table from a 24-loading material roller table, enters a 21-layer feeding roller table after rotating, is conveyed to the tail end to be transited to the 2-layer transfer trolley, and then moves to the front of a furnace body from the 2-layer transfer trolley, 3 lower floor's feeding furnace gate is opened, send into 4 lower floor's feeding heat transfer chambers with the work piece through the rollgang, the work piece that finishes in 16 upper strata annealing room this moment gets into 18 upper strata ejection of compact heat transfer chambers simultaneously through 36 upper strata annealing room rollgangs, then through 27 heat transfer chamber circulating fan will be in 18 upper strata ejection of compact heat transfer chambers in the work piece heat of high temperature take out 28 heat transfer chamber upper air channels, rethread 30 heat transfer chamber side air channels get into 31 heat transfer chamber lower air channels, then through the even 4 lower floor's feeding heat transfer chambers of blowing in of air outlet, directly preheat the cold work piece of just entering the stove, 18 upper strata ejection of compact heat transfer chambers are got back again to the air of relative microthermal back again after the heat transfer, cool off the thermal work piece of having handled, prepare out the stove.
The work piece preheated in the 4 lower layer feeding heat exchange chamber enters the 6 lower layer annealing chamber through the 32 lower layer heat exchange chamber roller way, the 5 lower layer annealing chamber feeding inner door and the 7 lower layer annealing chamber discharging inner door are opened and closed simultaneously when the annealing chamber feeds and discharges materials, and are used as independently working heating chambers, the work piece enters and then carries out annealing process treatment according to the set temperature and time of the process requirements, the 39 lower layer annealing chamber circulating fan pumps the heat burned by the 44 lower layer annealing chamber burner into the 40 lower layer annealing chamber side air channel through the 43 lower layer annealing chamber upper air channel, and blows out from the 41 lower layer annealing chamber lower air channel outlet to heat and preserve the work piece, after the treatment is finished, the work piece is conveyed to the 8 lower layer discharging chamber through the 42 lower layer annealing chamber roller way, the condition of the feeding heat exchange chamber is just opposite to the condition of the front side feeding heat exchange chamber, the heat of the lower layer treated hot work piece is brought into the 14 upper layer feeding heat exchange chamber to preheat the cold work piece which just enters, and after heat exchange is finished, opening a lower layer discharging furnace door 9, enabling the workpiece to enter a lower layer discharging transfer trolley 10 through a lower layer heat exchange chamber roller way 32, enabling the transfer trolley to transversely move to the position in front of a lower layer discharging roller way 25, sending the workpiece into the roller way, conveying the workpiece to a rotary lifting roller way 23 through the lower layer discharging roller way 25, sending the workpiece into a discharging roller way 24 through rotation, unloading the treated workpiece by a worker, and preparing the workpiece to be treated next time.
13, opening an upper feeding furnace door, 14, namely, a workpiece which has finished heat exchange in an upper feeding heat exchange chamber enters 16 an upper annealing chamber through a 29 upper heat exchange chamber roller way, 15, simultaneously opening a 15 upper annealing chamber feeding inner door and a 17 upper annealing chamber discharging inner door when the annealing chamber feeds and discharges materials, closing the doors simultaneously, serving as heating chambers working independently, carrying out annealing process treatment according to the set temperature and time of the process requirements after the workpiece enters, 33, namely, a circulating fan of the upper annealing chamber, pumping the heat combusted by a 38 upper annealing chamber burner into 34 an upper annealing chamber side air channel through a 37 upper air channel of the upper annealing chamber, blowing out the heat from a 35 upper annealing chamber lower air channel air outlet, heating and heat preservation are carried out on the workpiece, after the treatment is finished, the workpiece is conveyed to an 18 upper discharging heat exchange chamber through a 36 upper annealing chamber roller way, exchanging heat with a 4 lower feeding heat exchange chamber cold workpiece, and 19, namely, opening an upper discharging furnace door after the heat exchange is finished, the workpiece enters 20 an upper discharging transfer trolley through 29 upper heat exchange chamber roller ways, the transfer trolley moves transversely to 22 upper discharging roller ways, the workpiece is sent into the roller ways, the workpiece is conveyed to 23 rotary lifting roller ways through 22 upper discharging roller ways, the workpiece is sent into 24 loading and unloading roller ways through rotation, the processed workpiece is unloaded by workers, and the next workpiece to be processed is prepared.
The embodiment can realize the following functions:
the product adopts a mode of directly carrying out heat exchange between an upper layer and a lower layer to carry out waste gas waste heat recovery, so that the heat efficiency can be greatly improved, and the energy consumption is reduced, thereby saving the production cost; the upper and lower layers are provided with the annealing chambers which work independently, compared with the annealing furnaces with the same yield, the floor area is greatly reduced, space is saved for production, and because the two annealing chambers can work independently, the production can be flexibly arranged on the production arrangement, only one annealing chamber is opened in small batches, and the double-layer alternative work is realized after the quantity is large; the circulating mode of bottom air outlet after the upper heating air suction side is circularly stirred is adopted, hot air is fully stirred by the centrifugal fan blade and then blown out from the bottom, the uniformity of the temperature in the furnace is greatly improved, and the good treatment effect of the product is further improved; the turnover conveying of the feeding and discharging of the annealing furnace is only provided with one material loading and unloading conveying roller way, other conveying roller ways controlled by an automatic program and a transfer trolley are all completed, the degree of automation is very high, the annealing temperature and the annealing time can be set according to the process requirements after the materials are loaded, and the management efficiency of field materials can be greatly improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a double-deck roller hearth annealing stove that runs from opposite directions which characterized in that: the device comprises an upper layer of furnace path and a lower layer of furnace path, wherein the furnace path comprises a feeding heat exchange chamber, an annealing chamber and a discharging heat exchange chamber which are sequentially connected; the upper discharging heat exchange chamber is arranged above the lower feeding heat exchange chamber, the upper feeding heat exchange chamber is arranged above the lower discharging heat exchange chamber, the upper and lower heat exchange chambers are communicated with each other, and the upper and lower annealing chambers work independently; the transfer mechanism is provided with two layers of feeding ends and discharging ends which respectively correspond to the two layers of furnace paths, so that workpieces at two ends are transferred.
2. The double layer oppositely opening roller hearth annealing furnace according to claim 1, characterized in that: the transfer mechanism comprises a loading and unloading roller way, a rotary lifting roller way, a feeding roller way, a discharging roller way, a transfer trolley and a transfer trolley support, wherein the feeding end and the discharging end of the furnace channel are respectively provided with the transfer trolley support, and the transfer trolley transversely moves to the feeding end and the discharging end of the furnace channel along the transfer trolley support; a rotary lifting roller way is arranged between the feeding roller way and the discharging roller way, and one side of the rotary lifting roller way is connected with the loading and unloading roller way.
3. The double layer oppositely opening roller hearth annealing furnace according to claim 1, characterized in that: the annealing chamber is provided with an annealing chamber feeding inner door and an annealing chamber discharging inner door on two sides, a feeding furnace door is arranged on one side of the feeding heat exchange chamber, and a discharging furnace door is arranged on one side of the discharging heat exchange chamber.
4. The double layer oppositely opening roller hearth annealing furnace according to claim 1, characterized in that: an annealing chamber roller way is arranged in the annealing chamber, and heat exchange chamber roller ways are arranged in the feeding heat exchange chamber and the discharging heat exchange chamber.
5. The double layer oppositely opening roller hearth annealing furnace according to claim 1, characterized in that: the material heat transfer chamber and ejection of compact heat transfer indoor all be equipped with wind channel, heat transfer chamber side wind channel and heat transfer chamber wind channel down on heat transfer chamber circulating fan, the heat transfer chamber circulating fan with ejection of compact heat transfer chamber in be in the work piece heat of high temperature take out wind channel on the heat transfer chamber, rethread heat transfer chamber side wind channel gets into wind channel under the heat transfer chamber, in the back-blowing feeding heat transfer chamber, realize directly preheating the cold work piece of just advancing the stove.
6. The double layer oppositely opening roller hearth annealing furnace according to claim 1, characterized in that: the annealing chamber in be equipped with annealing chamber circulating fan, annealing chamber nozzle, the wind channel is gone up to the annealing chamber, annealing chamber side wind channel and the wind channel under the annealing chamber, annealing chamber circulating fan take out annealing chamber side wind channel through the wind channel on the annealing chamber with the heat that the annealing chamber nozzle burns, blow off through the wind channel under the annealing chamber after, heat the work piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120432740.8U CN214458199U (en) | 2021-02-26 | 2021-02-26 | Double-layer split-roller bottom type annealing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120432740.8U CN214458199U (en) | 2021-02-26 | 2021-02-26 | Double-layer split-roller bottom type annealing furnace |
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| Publication Number | Publication Date |
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| CN214458199U true CN214458199U (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120432740.8U Active CN214458199U (en) | 2021-02-26 | 2021-02-26 | Double-layer split-roller bottom type annealing furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114457226A (en) * | 2021-02-26 | 2022-05-10 | 杭州众汇工业炉有限公司 | Double-layer split roller bottom type annealing furnace |
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2021
- 2021-02-26 CN CN202120432740.8U patent/CN214458199U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114457226A (en) * | 2021-02-26 | 2022-05-10 | 杭州众汇工业炉有限公司 | Double-layer split roller bottom type annealing furnace |
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