CN205803547U - A kind of double-chamber vacuum copper annealing stove - Google Patents

Abstract

The utility model relates to a double-chamber vacuum annealing furnace for copper material, which solves the problems of low precision and inconvenient operation in the prior art of a device for conducting heat treatment on a conductor. The utility model provides a double-chamber vacuum copper annealing furnace. The heating furnace feeds high-temperature gas into the material furnace through a heating circulation device to heat the material in the material furnace, and the heat exchange device heats the high-temperature gas in the material furnace. Cooling, and the cooled gas is fed into the material furnace to cool the material. The heating furnace, heating circulation device, heat exchange device, and cooling device are all controlled by the control device. When the material is annealed, the annealing furnace can realize automatic work , the annealing furnace is easy to operate and improves the accuracy of the annealing furnace.

Description

A Double-chamber Vacuum Copper Annealing Furnace

technical field

The utility model relates to a heat treatment device for conductors, in particular to a double-chamber vacuum copper annealing furnace.

Background technique

Conductors are materials that can conduct electricity, such as cables and wires, which are conductors. During the production process, the conductors need to be heat-treated after forming to make the conductors have good performance.

In the prior art, the device used for heat treatment of the conductor has a simple structure. When the conductor is heat treated, the heating temperature and holding time of the conductor are manually controlled by technicians. This control method makes the temperature control accuracy low during the heat treatment of the conductor, and The operation is inconvenient, the labor intensity of technicians is increased, and the heat treatment quality of the conductor is reduced.

Contents of the invention

The utility model provides a double-chamber vacuum copper annealing furnace, which aims to overcome the shortcomings of low precision and inconvenient operation in the prior art for conducting heat treatment on conductors.

In order to solve the above technical problems, the utility model adopts the following technical scheme: a double-chamber vacuum copper annealing furnace, including a material furnace, a heating furnace, a heating circulation device, a cooling device, a heat exchange device, an air guide device, a hydraulic device and a control device, the heating furnace feeds high-temperature gas into the material furnace through the heating circulation device, the heating furnace and the material furnace are equipped with temperature detectors, the temperature detectors communicate with the control device, the heating furnace, the heating The circulation device is controlled by the control device. The heat exchange device cools the high-temperature gas in the material furnace and supplies the cooled high-temperature gas into the material furnace through the cooling device. The heat exchange device and the cooling device are controlled by the control device; the material furnace It is equipped with an air guide device to evenly disperse the high temperature gas and cooling gas in the material furnace. The material furnace is also equipped with an air pressure stabilization device to keep the air pressure in the material furnace stable. The air pressure stabilization device is controlled by the control device; The control device is provided with a pressure alarm device and a temperature alarm device, and the pressure alarm device and the temperature alarm device are all controlled by the control device; the material furnace is also provided with a vacuum device for evacuating the material furnace and the heating furnace. The vacuuming device is controlled by a control device. The material furnace and the heating furnace are equipped with a vacuum detection device. The vacuum detection device communicates with the control device. The material furnace is also provided with a mechanical safety valve. A material rack is provided in the furnace; the material furnace includes a furnace cover, the furnace cover is driven by a hydraulic device, and the hydraulic device is controlled by a control device; a pressure detector for detecting pressure is provided in the material furnace and the heating furnace, The pressure detector is in communication with a control device.

As an optional solution, the double-chamber vacuum copper annealing furnace further includes a material trolley driven by a hydraulic device, and the moving direction of the material trolley is perpendicular to the axis of the material furnace. The occupied area of the annealing furnace is reduced, and the copper material is moved by the material trolley to reduce the labor intensity of technicians. The material trolley is driven by a hydraulic device, which is convenient for technicians to operate.

An optional solution, the control device includes a storage device for storing operating parameters of the heating furnace and the material furnace. The operating parameters in the heating furnace and the material furnace are stored by the storage device, which is convenient for technicians to check later and optimizes the performance of the annealing furnace.

An optional solution, the heating furnace includes a shell, a radiant tube heating device is arranged inside the shell, a furnace lining is also provided between the radiant tube heating device and the shell, and a furnace lining is also provided on the shell. A shell cover, the shell cover is driven by a hydraulic cylinder, and the hydraulic cylinder is controlled by a control device. The radiant tube heating device has good heating performance, which optimizes the use performance of the heating furnace, and the shell cover is driven by a hydraulic cylinder, which facilitates the maintenance of the heating furnace and optimizes the use performance of the heating furnace.

An optional solution, the heating circulation device includes a ventilation pipe connected to the heating furnace and the material furnace, a circulation fan is arranged between the heating furnace and the ventilation pipe, and a first electromagnetic valve is also provided on the ventilation pipe, Both the circulation fan and the first electromagnetic valve are controlled by a control device; an expansion joint is provided between the ventilation pipe and the material furnace. The expansion joint is used to compensate the deformation of the ventilation pipe, optimize the performance of the annealing furnace and prolong the service life of the annealing furnace.

An optional solution, the cooling device includes a cooling air pipe connecting the heat exchange device and the material furnace and a cooling fan connected in series on the cooling air pipe, and an expansion joint is also arranged between the cooling air pipe and the material furnace , A second electromagnetic valve is provided between the cooling air pipe and the heat exchange device, and the cooling fan and the second electromagnetic valve are controlled by the control device. The performance of the annealing furnace is optimized, and the service life of the annealing furnace is prolonged.

An optional solution, the air guide device includes an air guide pipe evenly coiled in the material furnace and air guide holes evenly distributed on the air guide pipe, and the air guide pipe communicates with the ventilation pipe and the cooling air pipe at the same time . The air duct can evenly distribute hot air or cold air in the material furnace, which optimizes the performance of the annealing furnace, simplifies the structure of the air guide device, and reduces the manufacturing cost of the annealing furnace.

In an optional solution, the material furnace includes a furnace shell and a lining material, a guide rail is provided inside the lining material, the material rack is slidably arranged on the guide rail, and a detection furnace cover is installed on the material furnace. A position detection device in place, said position detection device communicating with the control device. The material rack is slidingly set on the guide rail, and the material rack moves flexibly, which is convenient for moving in or out of the material, and optimizes the performance of the annealing furnace. The position detection device is used to detect whether the furnace cover is in place, which further optimizes the performance of the annealing furnace.

As an optional solution, both the pressure alarm device and the temperature alarm device include sound alarms and light alarms, and the sound alarms and light alarms are controlled by the control device. Simultaneously sound and light alarms are used to optimize the prompting performance of the pressure alarm device and temperature alarm device.

An optional solution, a first frequency converter for regulating the speed of the circulating fan is provided between the circulating fan and the control device, and a second frequency converter for regulating the speed of the cooling fan is provided between the cooling fan and the control device . Optimized the performance of circulation fan and cooling fan.

Compared with the prior art, the utility model provides a double-chamber vacuum copper annealing furnace, which has the following advantages: the heating furnace feeds high-temperature gas into the material furnace through the heating circulation device to heat the material in the material furnace, The heat exchange device cools the high-temperature gas in the material furnace, and feeds the cooled gas into the material furnace to cool the material. The heating furnace, heating circulation device, heat exchange device, and cooling device are all controlled by the control device. When performing annealing treatment, the annealing furnace can realize automatic work, the annealing furnace is easy to operate and the accuracy of the annealing furnace is improved;

Compared with the prior art, the utility model discloses a technical solution, which also has energy-saving and high-efficiency technical effects in the specific use process; after the materials complete the heating and heat preservation process, when the process conditions allow rapid cooling, the heat exchange device, cooling The device cools the material, which improves the cooling efficiency of the material. The cooling time for the material to be cooled from the furnace to the furnace is not more than 8 hours; the power consumption of the annealing process per ton of material is not more than 100 kWh; and the elongation rate of the material after being discharged from the furnace is not low. at 40%;

In addition, the storage device stores the operating data of the material furnace and the heating furnace, which is convenient for technicians to check later and optimizes the performance of the annealing furnace.

Description of drawings

Accompanying drawing 1 is the schematic diagram of a kind of double-chamber vacuum copper material annealing furnace of the present utility model.

detailed description

Below in conjunction with accompanying drawing, a kind of double-chamber vacuum copper annealing furnace of the present utility model is described further. As shown in Figure 1, a double-chamber vacuum copper annealing furnace includes a material furnace 1, a heating furnace 2, a heating cycle device 3, a cooling device 4, a heat exchange device 5, an air guiding device 6, a hydraulic device 8 and a control device 9. When using, first put the material into the material furnace 1, then evacuate the material furnace 1 and the heating furnace 2, then fill the material furnace 1 and the heating furnace 2 with protective gas, and finally pass the heating furnace 2 to the material furnace 1 High temperature gas is supplied inside to heat the material;

Referring to Fig. 1, the heating furnace 2 includes a casing 20, a radiant tube heating device 21 is arranged inside the casing 20, and a furnace lining is also provided between the radiant tube heating device 21 and the casing 20, and the furnace lining is used for insulating heat, in order to reduce the heat loss of the heating furnace 2, the shell 20 is also provided with a shell cover 22, the shell cover 22 is driven by a hydraulic cylinder 23, and the hydraulic cylinder 23 is controlled by the control device 9. The furnace 2 can conveniently control the hydraulic cylinder 23 to open or close the shell cover 22, and the heating furnace 2 is convenient for maintenance;

Referring to Fig. 1, the material furnace 1 includes a furnace shell and a lining material, and the lining material is used to insulate the material furnace 1 to reduce the heat loss of the material furnace 1, and the material furnace 1 is also provided with a mechanical safety valve 15 , the mechanical safety valve 15 optimizes the safety performance of the annealing furnace. The material furnace 1 is provided with a material rack 16, and the material rack 16 is made of heat-resistant stainless steel for hanging materials; the lining material is provided with a guide rail 29, and the guide rail 29 can be fixed on the lining material by bolts, and the material rack 16 is slidably arranged on the guide rail 29; the material furnace 1 includes a furnace cover 17, and the furnace cover 17 is driven by a hydraulic device 8, and the hydraulic device 8 is controlled by Controlled by the device 9, the material furnace 1 is provided with a position detection device for detecting whether the furnace cover 17 is closed in place, the position detection device communicates with the control device 9, and the position detection device is used to detect whether the furnace cover 17 is closed in place, When the furnace cover 17 is not closed in place, the control device 9 cannot open the heating furnace 2 and the vacuum device 13, that is, when the furnace cover 17 is not closed in place, the annealing furnace cannot operate normally;

Referring to Fig. 1, the heating circulation device 3 includes a ventilation pipe 24 communicating with the heating furnace 2 and the material furnace 1, a circulation fan 25 is arranged between the heating furnace 2 and the ventilation pipe 24, and a ventilation pipe 24 is also provided with The first solenoid valve 26, the circulating fan 25 and the first solenoid valve 26 are all controlled by the control device 9; an expansion joint 27 is arranged between the ventilation pipe 24 and the material furnace 1, and the expansion joint 27 is used to compensate the ventilation pipe 24 The deformation of avoiding ventilation pipe 24 breaks;

Referring to Fig. 1, the cooling device 4 includes a cooling air pipe 28 connected to the heat exchange device 5 and the material furnace 1 and a cooling fan connected in series on the cooling air pipe 28, the cooling fan is used to send the cooled high-temperature gas into the heating Furnace 2, an expansion joint 27 is also provided between the cooling air pipe 28 and the material furnace 1, a second solenoid valve is provided between the cooling air pipe 28 and the heat exchange device 5, the cooling fan, the second electromagnetic valve The valves are all controlled by the control device 9;

Referring to Fig. 1 , the material furnace 1 is provided with an air guide device 6 for uniformly distributing high-temperature gas and cooling gas in the material furnace 1. The air guide device 6 includes an air guide pipe evenly coiled in the material furnace 1 and The air guide holes evenly distributed on the air guide pipe, the air guide pipe communicates with the ventilation pipe 24 and the cooling air pipe 28 at the same time. The high-temperature gas in the tube is evenly distributed in the material furnace 1 through the air guide holes to heat the material; when the material furnace 1 is cooled, the cooling air duct 28 supplies the cooled high-temperature gas into the air guide tube, and the cooled gas in the air guide tube The high-temperature gas is evenly distributed in the material furnace 1 through the air guide holes to cool the material; the temperature of each part of the material furnace 1 is uniform when heating or cooling, which optimizes the performance of the material furnace 1; in order to optimize the circulation fan 25 and the cooling fan. Usability, a first frequency converter for speed regulation of the circulation fan 25 is provided between the circulation fan 25 and the control device 9, and a second frequency converter for speed regulation of the cooling fan is provided between the cooling fan and the control device 9 ;

Referring to Fig. 1, described heating furnace 2 feeds high-temperature gas into material furnace 1 through heating circulation device 3, and described heating furnace 2, material furnace 1 are all provided with temperature detector 7, and described temperature detector 7 and control Device 9 communication, one temperature detector 7 can be set in the heating furnace 2, three temperature detectors 7 can be set in the material furnace 1, and the three temperature detectors 7 should be evenly distributed in the material furnace 1 to improve the temperature of the material furnace. 1. Detection accuracy of internal temperature;

Referring to Fig. 1, the heating furnace 2 and the heating cycle device 3 are controlled by the control device 9, the heat exchange device 5 cools the high-temperature gas in the material furnace 1 and feeds the cooled high-temperature gas into the material furnace 1 through the cooling device 4, When the material is annealed, the gas in the material furnace 1 is a protective gas, and the gas composition is different from the air composition. This gas is the protective gas used when the conductor is heat-treated in the prior art. 4 is controlled by the control device 9; when using the heat exchange device 5 and the cooling device 4 to cool the material furnace 1, the high-temperature gas in the material furnace 1 should be pumped into the heat exchange device 5 to cool down, and then the cooled high-temperature gas The gas passes through the cooling device 4 and then feeds into the material furnace 1 to cool down the material;

Referring to Fig. 1, the material furnace 1 is also provided with an air pressure stabilizing device 10 to keep the air pressure in the material furnace 1 stable, and the air pressure stabilizing device 10 is controlled by the control device 9; There is a pressure detector 18 for detecting pressure, and the pressure detector 18 communicates with the control device 9; the pressure detector 18 detects the air pressure in the material furnace 1 and the heating furnace 2, and transmits the detected air pressure signal to the control device 9 , then the air pressure stabilizing device 10 is controlled by the control device 9. When the air pressure in the heating furnace 2 and the material furnace 1 is low, the air pressure stabilizing device 10 supplies protective gas into the material furnace 1, and the air pressure in the heating furnace 2 and the material furnace 1 When it is too high, the material furnace 1 discharges excess protective gas to the air pressure stabilizing device 10;

Referring to Fig. 1, described control device 9 is provided with pressure alarm device 11, temperature alarm device 12, and described pressure alarm device 11, temperature alarm device 12 are all controlled by control device 9; Described pressure alarm device 11, temperature alarm device 12 all comprise sound alarm and light alarm, and described sound alarm, light alarm are all controlled by control device 9; Optimized the prompting effect of pressure alarm device 11, temperature alarm device 12;

Referring to Fig. 1, the material furnace 1 is also provided with a vacuum device 13 for evacuating the material furnace 1 and the heating furnace 2, and the vacuum device 13 is controlled by the control device 9, and the material furnace 1 and the heating furnace 2 All are equipped with a vacuum detection device 14, the vacuum detection device 14 communicates with the control device 9, during the vacuuming process, the vacuum detection device 14 detects the vacuum degree in the material furnace 1 and the heating furnace 2, and then sends the parameters to the control Device 9, control device 9 controls vacuum device 13 according to this parameter;

Referring to Fig. 1, this double-chamber vacuum copper material annealing furnace also includes material dolly 19, and described material dolly 19 is driven by hydraulic device 8, and the moving direction of described material dolly 19 is perpendicular to the axis of material furnace 1, and material dolly 19 uses It is easy to operate when transporting materials, moving materials into or out of the material furnace 1, and reduces the labor intensity of technicians;

The control device 9 includes a storage device for storing the operating parameters of the heating furnace 2 and the material furnace 1. The storage device stores the operating parameters of the annealing furnace during operation, such as pressure, temperature, etc., which is convenient for technicians to follow up and optimizes the use of the annealing furnace performance.

In actual use, open the furnace cover 17, use the material trolley 19 to transport the material to the opening of the material furnace 1, slide the material rack 16, install the material on the material rack 16, and then slide the material rack 16 to move the material to the heating furnace 2, the furnace cover 17 is closed by the hydraulic device 8, and then the material furnace 1 and the heating furnace 2 are evacuated. degree, and then fill the material furnace 1 and heating furnace 2 with protective gas through the air pressure stabilizing device 10. After the air pressure in the material furnace 1 reaches the rated value, the control device 9 opens the heating furnace 2, and the heating furnace 2 controls the material in the material furnace 1. Timely heating, after the heat treatment of the material is completed, the gas in the material furnace 1 is cooled by the heat exchange device 5, and then the cooled gas is fed into the material furnace 1 through the cooling device 4 to cool the material, and the temperature of the material reaches room temperature. , the material can be taken out, and the operation is very convenient.

The above are only preferred implementations of the present utility model, aiming to embody the outstanding technical effects and advantages of the present utility model, and are not intended to limit the technical solution of the present utility model. Those skilled in the art should understand that all modifications, changes or replacement technical features made based on the technical content of the present utility model shall fall within the technical scope of the appended claims of the present utility model.

Claims (10)

1. a double-chamber vacuum copper annealing stove, it is characterised in that: include material stove (1), heating furnace (2), heat cycles device (3), chiller (4), heat-exchange device (5), air ducting (6), hydraulic means (8) and control device (9), described heating furnace (2) feeding high-temperature gas in material stove (1) by heat cycles device (3), described heating furnace (2), material stove are all provided with in (1) There are temperature detector (7), described temperature detector (7) and control device (9) communication, described heating furnace (2), heat cycles device (3) by controlling device (9) control, heat-exchange device (5) cools down the high-temperature gas in material stove (1) and by chiller (4) Feeding the high-temperature gas after cooling in material stove (1), described heat-exchange device (5), chiller (4) are by controlling device (9) Control；It is provided with in described material stove (1) and makes high-temperature gas, cooling gas uniformly dispersing air ducting in material stove (1) (6), described material stove (1) being additionally provided with the stable gas pressure device (10) keeping material stove (1) internal gas pressure stable, described air pressure is steady Determine device (10) and controlled by controlling device (9)；Described control device (9) is provided with pressure warning unit (11), temperature alarming dress Putting (12), described pressure warning unit (11), temperature alarming device (12) are controlled by controlling device (9)；Described material stove (1) On be additionally provided with material stove (1), the vacuum extractor (13) of heating furnace (2) evacuation, described vacuum extractor (13) is by controlling Device (9) controls, and is equipped with vacuum checking device (14), described vacuum checking device in described material stove (1), heating furnace (2) (14) with control device (9) communication, described material stove (1) is additionally provided with mechanical safety valve (15), is provided with in described material stove (1) Bin (16)；Described material stove (1) includes bell (17), and described bell (17) is driven by hydraulic means (8), described hydraulic means (8) by controlling device (9) control；The pressure detector (18) of detection pressure it is equipped with in described material stove (1), heating furnace (2), Described pressure detector (18) and control device (9) communication.

A kind of double-chamber vacuum copper annealing stove the most according to claim 1, it is characterised in that: this double-chamber vacuum copper annealing Stove also includes material dolly (19), and described material dolly (19) is driven by hydraulic means (8), and described material dolly (19) Moving direction is vertical with the axis of material stove (1).

A kind of double-chamber vacuum copper annealing stove the most according to claim 2, it is characterised in that: described control device (9) is wrapped Include storage heating furnace (2), the storage device of material stove (1) operational factor.

A kind of double-chamber vacuum copper annealing stove the most according to claim 1, it is characterised in that: described heating furnace (2) includes Housing (20), is provided with radiation tube heater (21), described radiation tube heater (21) and housing in described housing (20) (20) being additionally provided with furnace lining between, described housing (20) is additionally provided with cap (22), described cap (22) is driven by hydraulic cylinder (23), Described hydraulic cylinder (23) is controlled by controlling device (9).

A kind of double-chamber vacuum copper annealing stove the most according to claim 1, it is characterised in that: described heat cycles device (3) include connecting heating furnace (2), the ventilation duct (24) of material stove (1), be provided with between described heating furnace (2) and ventilation duct (24) Circulating fan (25), described ventilation duct (24) is additionally provided with the first electromagnetic valve (26), described circulating fan (25), the first electromagnetic valve (26) by controlling device (9) control；Expansion joint (27) it is provided with between described ventilation duct (24) and material stove (1).

A kind of double-chamber vacuum copper annealing stove the most according to claim 5, it is characterised in that: described chiller (4) wraps Include connection heat-exchange device (5) and the cooling duct (28) of material stove (1) and the cooling blower being serially connected on cooling duct (28), Expansion joint (27), described cooling duct (28) and heat-exchange device it is additionally provided with between described cooling duct (28) and material stove (1) (5) being provided with the second electromagnetic valve between, described cooling blower, the second electromagnetic valve are controlled by controlling device (9).

A kind of double-chamber vacuum copper annealing stove the most according to claim 6, it is characterised in that: described air ducting (6) wraps Include the guide duct being uniformly coiled in material stove (1) and the air-guiding hole being distributed on guide duct, described guide duct simultaneously with ventilation Pipe (24), cooling duct (28) communicate.

A kind of double-chamber vacuum copper annealing stove the most according to claim 1, it is characterised in that: described material stove (1) includes Furnace shell and lining material, be provided with guide rail (29) in described lining material, described bin (16) is slidably arranged on guide rail (29), described material stove (1) it is provided with whether detection bell (17) covers the position detecting device put in place, described position detecting device and control device (9) Communication.

A kind of double-chamber vacuum copper annealing stove the most according to claim 1, it is characterised in that: described pressure warning unit (11), temperature alarming device (12) all include voice guard and light alarm apparatus, described voice guard, light alarm apparatus are equal Controlled by controlling device (9).

A kind of double-chamber vacuum copper annealing stove the most according to claim 7, it is characterised in that: described circulating fan (25) And control to be provided with between device (9) the first converter to circulating fan (25) speed governing, described cooling blower and control device (9) Between be provided with the second converter to cooling blower speed governing.