CN216303940U - Annealing furnace - Google Patents
Annealing furnace Download PDFInfo
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- CN216303940U CN216303940U CN202122920494.3U CN202122920494U CN216303940U CN 216303940 U CN216303940 U CN 216303940U CN 202122920494 U CN202122920494 U CN 202122920494U CN 216303940 U CN216303940 U CN 216303940U
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Abstract
The application discloses annealing stove relates to the hot processing treatment facility field, especially relates to an annealing stove, and it includes the furnace body, is provided with the processing platform that is used for placing the parts in the furnace body, and the opening part of furnace body is provided with the heat preservation door, is provided with the heating device who is used for heating the parts and is used for cooling off the cooling device of parts on the furnace body, one side of furnace body is provided with circulating device, and circulating device includes preheating chamber and heat-circulating pipe, the heat-circulating pipe communicates between the inside of preheating chamber and furnace body, heating device includes the heat cycle fan, the air intake and the preheating chamber intercommunication of heat cycle fan, the air outlet and the inside intercommunication of furnace body of heat cycle fan. The heat exchanger has the effect of improving the utilization rate of heat in heat flow.
Description
Technical Field
The application relates to the field of hot processing equipment, in particular to an annealing furnace.
Background
A machine for heat treatment of metals is composed of a annealing furnace for slowly heating the metal parts in different annealing furnaces to a certain temp, holding the temp for a certain time, and cooling at proper speed.
The existing annealing furnace heats metal parts by making heat flow circulate in the furnace to maintain the temperature in the furnace at a certain temperature, discharging the heat flow after heating is finished, and then inputting cold flow into the furnace for cooling, but after the parts are heated, the heat flow in the furnace still has a large amount of heat, and the direct discharge of the heat flow can cause the reduction of the utilization rate of the heat in the heat flow, thereby causing the waste of resources.
SUMMERY OF THE UTILITY MODEL
In order to improve the utilization rate of heat in heat flow, the application provides a method.
The annealing furnace adopts the following technical scheme:
the annealing furnace comprises a furnace body, wherein a processing table for placing a machine part is arranged in the furnace body, a heat-insulating door is arranged at an opening of the furnace body, a heating device for heating the machine part and a cooling device for cooling the machine part are arranged on the furnace body, a circulating device is arranged on one side of the furnace body and comprises a preheating chamber and a heat circulating pipe, the heat circulating pipe is communicated between the preheating chamber and the inside of the furnace body, the heating device comprises a heat circulating fan, an air inlet of the heat circulating fan is communicated with the preheating chamber, and an air outlet of the heat circulating fan is communicated with the inside of the furnace body.
By adopting the technical scheme, the heat flow blown out of the thermal circulation fan into the furnace body circulates in the furnace body, the heat flow in the furnace body flows into the preheating chamber through the thermal circulation pipe after heating is finished, the heat flow still having heat is stored in the preheating chamber, the air inlet of the thermal circulation fan is communicated with the preheating chamber, and the heat flow still having heat in the preheating chamber is directly utilized for heating when the thermal circulation fan is started, so that the utilization rate of heat in the heat flow can be improved, the energy is saved, the heating rate can be accelerated, and the working efficiency is accelerated.
Optionally, an air outlet of the thermal circulation fan is communicated with a hot air pipe, the hot air pipe is located in the furnace body, and the hot air pipe is provided with a plurality of nozzles along the axial direction of the hot air pipe.
By adopting the technical scheme, the plurality of burning nozzles are arranged on the hot air pipe, so that heat flow blown out by the thermal circulation fan can be circulated in the furnace body in a reciprocating manner, and the uniformity of the temperature in the furnace body is ensured.
Optionally, the preheating chamber, the heat circulating pipes and the heat circulating fans are provided with two groups, the two groups of heat circulating pipes are provided with heat air pumps, the two groups of heat circulating fans are communicated with hot air pipes (22), and the two groups of hot air pipes are provided with a plurality of burning nozzles.
By adopting the technical scheme, the preheating chamber, the heat circulating pipe and the heat circulating fan are provided with two groups of heating speed which can accelerate the heating speed in the furnace body and the recovery speed after the heating is finished.
Optionally, the processing table is connected in the furnace body in a sliding manner along the opening direction of the furnace body, and a lifting support table for supporting the processing table is arranged outside the furnace body.
By adopting the technical scheme, the machine parts are inconvenient to take and place on the processing table in the furnace body, the processing table is connected in the furnace body through sliding, the processing table can slide out when the machine parts are taken and placed, the machine parts are convenient to take and place, and the supporting table can support the processing table when the processing table slides out to take and place the machine parts, so that the damage to the processing table is prevented.
Optionally, a pressure gauge for detecting the pressure in the furnace body and a manual butterfly valve for controlling the pressure in the furnace body are arranged on the furnace body.
By adopting the technical scheme, the pressure gauge can monitor the pressure in the furnace body, when parts needing high temperature are heated, the pressure in the furnace body can be overlarge possibly caused by continuously blowing heat flow into the furnace body, and the pressure in the furnace body can be reduced by discharging the heat flow in the furnace body through the manual butterfly valve.
Optionally, the preheating chamber is wrapped with an insulating layer.
Through adopting above-mentioned technical scheme, the heat preservation can keep warm with the heat current of preheating indoor temporary storage, reduces the heat loss of heat current.
Optionally, one side of the heat preservation door facing the inside of the furnace body is fixedly connected with a heat preservation rubber ring.
Through adopting above-mentioned technical scheme, the leakproofness between heat preservation door and the furnace body can be strengthened to the heat preservation rubber circle, improves the rate of heating or cooling.
Optionally, the air inlet of the heat cycle fan is detachably connected with a filter screen.
Through adopting above-mentioned technical scheme, probably have impurity in the heat current that absorbs back to in the preheating chamber from the furnace body, the impurity filtration of heat current in the preheating chamber can prevent that the thermal cycle fan from blockking up and influencing normal work with the filter screen.
In summary, the present application includes at least one of the following beneficial technical effects:
the heat flow with heat in the furnace body is recovered to the preheating chamber for the heat supply circulating fan to be used again;
the preheating chamber, the heat circulation fan and the heat circulation pipe are respectively provided with two groups, so that the heating rate and the heat flow recovery rate can be increased, and the working efficiency is increased;
the processing table is connected in the furnace body in a sliding manner, so that the parts can be conveniently taken and placed.
Drawings
FIG. 1 is a schematic view of an annealing furnace according to an embodiment of the present application.
FIG. 2 is a view showing an internal structure of an annealing furnace according to an embodiment of the present application.
FIG. 3 is a sectional view of a preheating chamber of an annealing furnace according to an embodiment of the present application.
Description of reference numerals:
1. a furnace body; 11. a processing table; 12. a heat preservation door; 13. a lifting support platform; 14. a heat-insulating rubber ring; 2. a heating device; 21. a thermal circulation fan; 22. a hot air pipe; 23. a filter screen; 24. burning a nozzle; 3. a cooling device; 4. a circulation device; 41. a preheating chamber; 42. circulating the heat pipe; 43. a heat-insulating layer; 44. a hot air pump; 5. a pressure gauge; 51. a manual butterfly valve; 6. a cold exhaust pipe; 61. a cold air pump.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses an annealing furnace. Referring to fig. 1, the annealing furnace includes a furnace body 1, on which a heating device 2 for heating the work in the furnace body, a cooling device 3 for cooling the work in the furnace body, and a circulating device 4 for recovering heat flow in the furnace body are provided.
Referring to fig. 2 and 3, the circulating device 4 includes two preheating chambers 41 and two sets of circulating heat pipes 42, the two preheating chambers 41 are located at the bottom of the furnace body 1 and are oppositely disposed, the outer surface of the preheating chamber 41 is wrapped by a heat insulation layer 43, the circulating heat pipes 42 are divided into two sections, a heat pump 44 is disposed between the two sections of circulating heat pipes 42, the heat pump 44, the preheating chambers 41 and the interior of the furnace body 1 are communicated with each other by the two sections of circulating heat pipes 42, the heat pump 44 can control the opening and closing of the circulating heat pipes 42 and can pump out heat flow in the furnace body 1, the heat flow flows into the preheating chambers 41 through the circulating heat pipes, air inlets of the circulating heat pipes 42 are disposed at high positions in the furnace body 1, the heat flow can spontaneously go to high positions, and can help the heat pump 44 to recover the heat flow when recovering the heat flow.
Referring to fig. 2 and 3, the heating device 2 includes two sets of heat circulation fans 21, the two sets of heat circulation fans 21 are located at the bottom of the furnace body 1 and are arranged oppositely, the air inlet of the heat circulation fan 21 is communicated with the preheating chamber 41, the air inlet of the heat circulation fan 21 is detachably connected with the filter screen 23, the air outlet of the heat circulation fan 21 is communicated with the hot air pipe 22, the hot air pipe 22 is located in the furnace body 1 and is arranged along the height direction of the furnace body 1, the hot air pipe 22 is provided with a plurality of burning nozzles 24, the burning nozzles 24 are arranged along the axial direction of the hot air pipe 22, and the arrangement of the plurality of burning nozzles can enable heat flow to circulate in the furnace body in a reciprocating manner, so as to ensure the temperature uniformity in the furnace body.
Referring to fig. 2, a heat preservation door 12 is hinged at an opening of the furnace body 1, and a heat preservation rubber ring 14 is fixedly connected to one side of the heat preservation door 12 facing the interior of the furnace body 1; a processing table 11 for placing a machine part is arranged in the furnace body 1, the processing table 11 is divided into a fixed section and a sliding section, the fixed section is slidably connected in the sliding section, the fixed section of the processing table 11 is fixedly connected to the inner wall of the furnace body 1, the sliding section of the processing table 11 can slide on the fixed section of the processing table 11 along the opening direction of the furnace body 1, a lifting support table 13 for supporting the processing table 11 is arranged outside the furnace body 1, and the lifting support table 13 can lift along the axial direction of a lifting shaft of the lifting support table 13; the top of the furnace body 1 is provided with a pressure gauge 5 for detecting the pressure in the furnace body 1 and a manual butterfly valve 51 for controlling the pressure in the furnace body 1, when the pressure in the furnace body 1 is too high, the manual butterfly valve 51 can be opened to discharge partial heat flow in the furnace body 1, thereby reducing the pressure in the furnace body 1.
Referring to fig. 2, the cooling device 3 is arranged at the top of the furnace body 1, two sets of cold exhaust pipes 6 are communicated between the inside and the outside of the furnace body 1, the two sets of cold exhaust pipes 6 are respectively arranged at two sides of the furnace body 1, each set of cold exhaust pipes 6 is divided into two sections, a cold air pump 61 is arranged between the two sections of cold exhaust pipes 6, the cold air pump 61 can control the opening and closing of the cold exhaust pipes 6 and can pump out cold flow in the furnace body 1 to the outside of the furnace body 1, an air inlet of the cold exhaust pipes 6 is arranged at a low position in the furnace body 1, the cold flow can spontaneously go to the low position, and the cold air pump 61 is helpful for discharging the cold flow.
The implementation principle of the annealing furnace in the embodiment of the application is as follows: firstly, the heat preservation door 12 is opened, then the processing platform 11 is pulled out from the furnace body 1, the lifting support platform 13 is lifted to support the processing platform 11, the machine part to be processed is placed on the processing platform 11, then the processing platform 11 is returned into the furnace body 1, the lifting support platform 13 is lowered, then the heat preservation door 12 is closed, after the hot air pump 44 and the cold air pump 61 are ensured to be in the closed state, the heat circulation fan 21 is started, the heat flow of the heat circulation fan 21 circulates in the furnace body 1 through the burner 24 of the hot air pipe 22, the machine part in the furnace body 1 is uniformly heated, if the pressure gauge 5 is observed in the heating process and the pressure in the furnace body 1 is over high, the manual butterfly valve 51 can be opened to draw out partial heat flow in the furnace body 1, the manual butterfly valve 51 is closed after the pressure in the furnace body 1 is recovered to be normal, after the heating is finished, the heat circulation fan 21 is closed, the heat pump 44 is opened to suck the heat flow in the preheating chamber 41 for storage, and then the hot air pump 44 is closed, the cooling device 3 is started to cool the parts in the furnace body 1, after cooling is completed, the cold air pump 61 is started, the cold air pump 61 discharges the used cold air in the furnace body 1 from the cold exhaust pipe 6 to the outside of the furnace body 1, the cold air pump 61 is closed after the cold air discharge is completed, then the heat preservation door 12 is opened, the processing table 11 is pulled out, the processed parts are taken down, the next machining of the parts can be carried out, and when the parts are heated next time, the thermal circulation fan 21 can rapidly heat the inside of the furnace body 1 by utilizing the heat flow stored in the preheating chamber 41, and the utilization rate of heat in the heat flow is improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides an annealing furnace, includes furnace body (1), is provided with in furnace body (1) and is used for placing machining platform (11) of parts, and the opening part of furnace body (1) is provided with heat preservation door (12), is provided with heating device (2) that are used for heating parts and cooling device (3) that are used for cooling parts on furnace body (1), its characterized in that: one side of the furnace body (1) is provided with a circulating device (4), the circulating device (4) comprises a preheating chamber (41) and a heat circulating pipe (42), the heat circulating pipe (42) is communicated between the preheating chamber (41) and the inside of the furnace body (1), a heat air pump (44) is arranged on the heat circulating pipe (42), the heating device (2) comprises a heat circulating fan (21), an air inlet of the heat circulating fan (21) is communicated with the preheating chamber (41), and an air outlet of the heat circulating fan (21) is communicated with the inside of the furnace body (1).
2. An annealing furnace according to claim 1, characterized in that: an air outlet of the thermal circulation fan (21) is communicated with a hot air pipe (22), the hot air pipe is positioned in the furnace body (1), and the hot air pipe (22) is provided with a plurality of burners (24) along the axial direction.
3. An annealing furnace according to claim 2, characterized in that: the preheating chamber (41), the heat circulating pipes (42) and the heat circulating fans (21) are respectively provided with two groups, the two groups of heat circulating pipes (42) are respectively provided with a heat air pump (44), the two groups of heat circulating fans (21) are respectively communicated with a hot air pipe (22), and the two groups of hot air pipes (22) are respectively provided with a plurality of nozzles (24).
4. An annealing furnace according to claim 1, characterized in that: the processing table (11) is connected in the furnace body (1) in a sliding manner along the opening direction of the furnace body (1), and a lifting support table (13) for supporting the processing table (11) is arranged outside the furnace body (1).
5. An annealing furnace according to claim 1, characterized in that: the furnace body (1) is provided with a pressure gauge (5) for detecting the pressure in the furnace body (1) and a manual butterfly valve (51) for controlling the pressure in the furnace body (1).
6. An annealing furnace according to claim 1, characterized in that: the preheating chamber (41) is wrapped with an insulating layer (43).
7. An annealing furnace according to claim 1, characterized in that: one side of the heat preservation door (12) facing the interior of the furnace body (1) is fixedly connected with a heat preservation rubber ring (14).
8. An annealing furnace according to claim 1, characterized in that: an air inlet of the heat circulating fan (21) is detachably connected with a filter screen (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122920494.3U CN216303940U (en) | 2021-11-25 | 2021-11-25 | Annealing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122920494.3U CN216303940U (en) | 2021-11-25 | 2021-11-25 | Annealing furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216303940U true CN216303940U (en) | 2022-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122920494.3U Active CN216303940U (en) | 2021-11-25 | 2021-11-25 | Annealing furnace |
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| CN (1) | CN216303940U (en) |
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 |
-
2021
- 2021-11-25 CN CN202122920494.3U patent/CN216303940U/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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