CN218507847U - Heating furnace for remelting and solution treatment - Google Patents

Abstract

The utility model discloses a heating furnace for solution treatment remelts, it includes: the furnace comprises a furnace body, a bearing seat, a loading vehicle and a furnace door, wherein an opening is formed in the furnace body; the bearing seat is movably arranged in the furnace body; the bearing seat is arranged on the carrying vehicle, the carrying vehicle is connected with a driving device, and the carrying vehicle can drive the bearing seat to move to penetrate through the opening; the furnace door is arranged on the carrying vehicle, and the carrying vehicle can drive the furnace door to move to the opening and seal the opening. The loading vehicle drives the furnace door and the bearing seat to move, so that the effects of automatically loading and closing the furnace and automatically discharging the furnace from the furnace can be realized. The automatic door opening and discharging after the heating process is finished can be automatically carried out and finished without the need of approaching an operator, so that the operation of the operator in a severe working environment can be effectively avoided, and the labor intensity and the labor difficulty of the operator are effectively reduced.

Description

Heating furnace for remelting and solution treatment

Technical Field

The utility model relates to the field of metal processing, in particular to a heating furnace for remelting and solution treatment.

Background

The lining plate inside the ladle used in the continuous casting and rolling line usually uses a copper plate as a base plate. In the production process of the red copper plate, remelting and solution treatment are usually required to improve the bonding force between the hard alloy layer and the copper plate so as to achieve the hardness required by the hard alloy. However, in the remelting and solution treatment of the red copper plate in the heating furnace, the heat-resistant steel chamber with the lining plate needs to be taken out from the heating furnace at a high temperature, which has the disadvantages of harsh working environment and high labor intensity of operators. And, the operation under high temperature also has great potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a heating furnace for solution treatment of remelting can reduce the influence of the high temperature when coming out of the furnace to operating personnel.

According to an embodiment of the first aspect of the utility model, be used for remelting solution treatment's heating furnace includes: the furnace comprises a furnace body, a bearing seat, a loading vehicle and a furnace door, wherein an opening is formed in the furnace body; the bearing seat is movably arranged in the furnace body; the bearing seat is arranged on the carrying vehicle, the carrying vehicle is connected with a driving device, and the carrying vehicle can drive the bearing seat to move to penetrate through the opening; the furnace door is arranged on the carrying vehicle, and the carrying vehicle can drive the furnace door to move to the opening and seal the opening.

According to the utility model discloses a heating furnace for remelting solution treatment has following beneficial effect at least: after the furnace body is heated, the driving device drives the loading vehicle to move and drives the furnace door and the bearing seat to move together. Under the drive of the loading vehicle, the furnace door moves away from the furnace body, so that the opening is opened; and the movement of the loading vehicle can drive the bearing seat to move through the opened opening, so that the material on the bearing seat can be driven to the outside of the furnace body.

The loading vehicle drives the furnace door and the bearing seat to move, so that the effects of automatically loading and closing the furnace and automatically discharging the furnace from the furnace can be realized. The automatic door opening and discharging after the heating process is finished can be automatically carried out and completed without the need of approaching an operator, so that the operation of the operator in a severe working environment can be effectively avoided, and the labor intensity and the difficulty of the operator are effectively reduced.

According to some embodiments of the utility model, the furnace further comprises a vacuum-pumping device, a vacuum cavity is arranged in the furnace body, and the vacuum-pumping device is connected into the vacuum cavity and can perform vacuum-pumping operation on the interior of the vacuum cavity; the bearing seat is movably arranged in the vacuum cavity.

According to some embodiments of the utility model, be provided with the heat preservation radiation shield in the vacuum cavity, be provided with heating device in the heat preservation radiation shield, bearing seat activity set up in the heat preservation radiation shield.

According to the utility model discloses a some embodiments, this a heating furnace for remelting solution treatment still includes the pressure regulating valves, the pressure regulating valves intercommunication extremely in the vacuum cavity and can be right carry nitrogen gas in the vacuum cavity.

According to some embodiments of the utility model, be provided with heating device in the furnace body, be provided with temperature control mechanism on the bearing seat, temperature control mechanism with the heating device electricity is connected.

According to some embodiments of the utility model, temperature control mechanism including set up in first temperature measurement spare and PID control system in the furnace body, be provided with on the bearing seat and be used for the second temperature measurement spare with the material contact, first temperature measurement spare the second temperature measurement spare with heating device all with PID control system electricity is connected.

According to some embodiments of the utility model, be provided with circulation air cooling mechanism on the furnace body, circulation air cooling mechanism communicates to in the furnace body and can make the inside of furnace body carry out endless air cooling operation.

According to some embodiments of the present invention, the circulating air cooling mechanism includes a nitrogen charging assembly, a pressure sensor and an opening/closing valve are disposed in the furnace body, and the nitrogen charging assembly is communicated to the furnace body and can drive nitrogen to circularly flow in the furnace body; the pressure sensor is connected with the opening and closing valve, and the opening and closing valve is connected with the nitrogen charging assembly and can prevent nitrogen from entering or flowing out of the furnace body.

According to some embodiments of the utility model, be provided with heating chamber and cooling chamber in the furnace body, fill nitrogen subassembly including set up in fan and heat exchanger in the cooling chamber, the fan is connected with the wind channel, the heating intracavity is provided with the nozzle, the wind channel with the nozzle is connected, the on-off valve set up in the heating chamber with between the cooling chamber and can be isolated to the two.

According to some embodiments of the invention, the furnace wall of the furnace body has a water-cooling jacket layer therein.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of a heating furnace for remelting solution treatment according to an embodiment of the present invention.

Reference numerals: 100 is a furnace body, 150 is a furnace door, 170 is a vacuum cavity body, 190 is a track, 200 is a carrying vehicle, 300 is a bearing seat, 320 is a support, 350 is a chassis, 400 is a heat-insulating sleeve, 500 is a heating device, 600 is a nitrogen charging assembly, 610 is a fan, 620 is a heat exchanger, 630 is a nozzle, 650 is an opening and closing valve, 710 is a heating cavity, and 720 is a cooling cavity.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If there is a description of first and second for the purpose of distinguishing technical features only, this is not to be understood as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1, a heating furnace for remelting solution treatment includes: the furnace comprises a furnace body 100, a bearing seat 300, a carrying vehicle 200 and a furnace door 150, wherein an opening is formed in the furnace body 100; the supporting seat 300 is movably arranged in the furnace body 100; the bearing seat 300 is arranged on the carrying vehicle 200, the carrying vehicle 200 is connected with a driving device, and the carrying vehicle 200 can drive the bearing seat 300 to move through the opening; the oven door 150 is disposed on the cart 200, and the cart 200 can drive the oven door 150 to move to the opening and close the opening. After the furnace body 100 is heated, the driving device drives the loading cart 200 to move, and drives the furnace door 150 and the supporter 300 to move together. Under the driving of the carrier vehicle 200, the oven door 150 will move away from the oven body 100, so that the opening is opened; the movement of the cart 200 also moves the support base 300 through the opened opening, so that the material on the support base 300 is carried out of the furnace body 100. The loading car 200 drives the oven door 150 and the supporting seat 300 to move, so that the effects of automatically loading and closing the oven and automatically discharging the oven from the oven can be realized. The automatic door opening and furnace discharging after the heating process is finished can be automatically carried out and completed without the need of approaching of operators, so that the operators can be effectively prevented from working in severe working environment, and the labor intensity and the labor difficulty of the operators are effectively reduced.

Specifically, the carrier 200 is an electric cart, and the driving device is a motor. Of course, the specific configuration of the loading cart 200 and the configuration of the driving device are not exclusive, and can be adjusted according to the actual situation, and are not limited herein.

Specifically, a support 320 is disposed on the supporting base 300, the supporting base 300 is connected to a chassis 350 through the support 320, and the chassis 350 is used for bearing materials. The chassis 350 of the grid structure made of heat-resistant steel serves as a tool for preventing a copper lining plate, so that strength is guaranteed, heating and cooling are not affected, meanwhile, enough job-title area needs to be guaranteed, and indentation is prevented. The heat resistant steel chassis 350 is used only for static support of the copper lining plate and is used in a vacuum environment, and the service life can be maximized.

Further, the inner wall of the furnace body 100 is provided with slide rails, and the support base 300 is slidably connected to the slide rails.

In some embodiments, the heating furnace for remelting and solution treatment can realize full automation of operation by using a PLC (programmable logic controller) as a control center, has a certain fault self-diagnosis function, and can realize remote or centralized control when a computer is connected with a user local area network. The treatment process of the material is adjustable and controllable, the whole treatment process is controlled by a computer, the risk of scrapping the workpiece is basically eliminated, and the performance of the workpiece after treatment is stable.

Specifically, a control system of the equipment adopts a PLC as a logic operation center, an industrial personal computer is used as an upper computer, and all operations of login, process compilation, equipment starting and stopping, data recording and query are carried out on the industrial personal computer. After connecting the user's local area network, the device can implement remote monitoring or centralized control.

In some embodiments, referring to fig. 1, the furnace body 100 further includes a vacuum pumping device, a vacuum chamber 170 is disposed in the furnace body, and the vacuum pumping device is connected to the vacuum chamber 170 and can perform vacuum pumping operation on the inside of the vacuum chamber; the holder 300 is movably disposed in the vacuum chamber 170. After the vacuum pumping device performs pumping operation in the vacuum cavity 170, the vacuum cavity 170 is in a vacuum state as much as possible, so that the conditions that materials are in contact with oxygen, oxidation reaction and decarburization are generated, and the mechanical performance of the produced product is guaranteed

Specifically, the vacuum pumping device comprises a roots pump vacuum unit or a diffusion pump vacuum unit. Of course, the specific configuration of the vacuum pumping device is not exclusive, and can be adjusted accordingly according to the actual situation, and is not limited herein.

In some embodiments, referring to fig. 1, an insulating sleeve 400 is disposed in the vacuum chamber 170, a heating device 500 is disposed in the insulating sleeve 400, and the supporting base 300 is movably disposed in the insulating sleeve 400. The heat insulation sleeve 400 can enable the heat generated by the heating device 500 to act on the material as much as possible, so that the material can be fully heated and remelted, and the temperature control can be more accurate without considering the problem of heat dissipation too much.

Specifically, the heating device 500 is a resistance heater. Of course, the specific configuration of the heating device 500 is not exclusive, and can be adjusted accordingly according to the actual situation, and is not limited herein.

In some embodiments, referring to fig. 1, the heating furnace for remelting and solution treatment further includes a pressure regulating valve set, which is communicated to the vacuum chamber 170 and can deliver nitrogen gas into the vacuum chamber 170. The pressure regulating valve group can be filled with small-flow nitrogen in a high-temperature environment, so that the vacuum degree in the furnace is reduced, and the problem of evaporation and burning loss of copper or other alloy elements is avoided.

In some embodiments, referring to fig. 1, a heating device 500 is disposed in the furnace body 100, and a temperature control mechanism is disposed on the supporting base 300 and electrically connected to the heating device 500. The temperature control mechanism can directly control the heating device 500 and cut off the heat supply in the furnace body 100 under the condition that the temperature in the furnace body 100 is too high, thereby avoiding the over-temperature condition and further ensuring the safety of materials and equipment.

In some embodiments, referring to fig. 1, the temperature control mechanism includes a first temperature measuring component and a PID control system disposed in the furnace body 100, a second temperature measuring component for contacting with the material is disposed on the supporting base 300, and the first temperature measuring component, the second temperature measuring component and the heating device 500 are all electrically connected to the PID control system. The PID control system is a control system for controlling the proportion, the integral and the differential of the error generated by comparing the real-time data acquisition information of the controlled object with the given value, and has the advantages of simple principle, strong robustness, wide practical range and the like, so that the heating device 500 can be effectively controlled according to the values transmitted by the first temperature measuring part and the second temperature measuring part, and the effect of avoiding the over-temperature condition is achieved.

Specifically, the PID control system includes a PID controller with a precision of 0.1 level, the first temperature measuring element includes an S-type thermocouple disposed in the furnace body 100, and the second temperature measuring element includes a plurality of N-type sheathed thermocouples disposed on the furnace door 150 for detecting the temperature of the material.

In some embodiments, referring to fig. 1, the furnace body 100 is provided with a circulating air cooling mechanism, which is connected to the inside of the furnace body 100 and can perform a circulating air cooling operation inside the furnace body 100. The air cooling structure can enable the furnace body 100 to have circulating airflow, so that the circulating airflow is utilized to cool materials, the temperature of the materials is lower as far as possible when the materials are discharged, and heat received by workers is relieved and reduced.

In some embodiments, referring to fig. 1, the circulating air cooling mechanism includes a nitrogen charging assembly 600, a pressure sensor and an on-off valve 650 are disposed in the furnace body 100, and the nitrogen charging assembly 600 is communicated to the furnace body 100 and can drive nitrogen to circularly flow in the furnace body 100; the pressure sensor is connected with the on-off valve 650, and the on-off valve 650 is connected with the nitrogen charging assembly 600 and can prevent nitrogen from entering or flowing out of the furnace body 100. The cooperation of nitrogen charging assembly 600 and pressure sensor for operating personnel can adjust the intensity of cooling through the pressure of adjusting the nitrogen of charging into, thereby realizes the regulation to copper welt sclerosis layer hardness through changing the refrigerated dynamics. The cooling intensity of the lining boards with different specifications can be determined most appropriately through process exploration, and then the lining boards are compiled into corresponding process formulas. The operation can be completed by calling corresponding process formulas corresponding to different materials by operators, so that the heating furnace for remelting and solution treatment also has the advantage of wide application range. Meanwhile, compared with the conventional cooling mode of continuously inputting high-purity nitrogen, the continuous circulating nitrogen flow also has the advantages of reducing the power consumption, remarkably reducing the consumption of the high-purity nitrogen and greatly reducing the production cost.

Specifically, the on-off valve 650 is a pneumatic valve.

In some embodiments, referring to fig. 1, a heating chamber 710 and a cooling chamber 720 are disposed in the furnace body 100, the nitrogen charging assembly 600 includes a fan 610 and a heat exchanger 620 disposed in the cooling chamber 720, the fan 610 is connected with an air duct, a nozzle 630 is disposed in the heating chamber 710, the air duct is connected with the nozzle 630, and an on-off valve 650 is disposed between and can isolate the heating chamber 710 and the cooling chamber 720. The nitrogen is sucked from the hot material into the heat exchanger 620 of the cooling chamber 720 by the pneumatic valve under the power of the fan 610, and then blown back to the material in the heating chamber 710 through the air duct and the nozzle 630, thereby directly and effectively forming a circulating cooling effect. The pneumatic valve is closed when heated and opened when cooled, thus effectively reducing energy consumption.

Specifically, the heat exchanger 620 is a red copper heat exchanger 620.

In certain embodiments, referring to FIG. 1, the furnace 100 has a water-cooled jacket layer within the walls of the furnace. The water-cooling jacket layer can effectively cool the furnace wall of the furnace body 100, so that the temperature of the outer wall of the furnace body 100 is close to the room temperature, the temperature environment in a workshop is prevented from being influenced, and the effect of providing a better working environment for operators is realized.

Furthermore, the water-cooling jacket layer is a double-layer water-cooling jacket.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (10)

1. A heating furnace for remelting solution treatment, comprising:

the furnace body (100), wherein an opening is formed in the furnace body (100);

a bearing seat (300) movably arranged in the furnace body (100);

the carrying trolley (200), the bearing seat (300) is arranged on the carrying trolley (200), the carrying trolley (200) is connected with a driving device, and the carrying trolley (200) can drive the bearing seat (300) to move through the opening;

the oven door (150) is arranged on the loading vehicle (200), and the loading vehicle (200) can drive the oven door (150) to move to the opening and seal the opening.

2. The heating furnace for remelting solution treatment according to claim 1, wherein:

the furnace body (100) is internally provided with a vacuum cavity (170), and the vacuum device is connected into the vacuum cavity (170) and can vacuumize the inside of the vacuum cavity; the supporting seat (300) is movably arranged in the vacuum cavity (170).

3. The heating furnace for remelting solution treatment according to claim 2, wherein:

a heat-insulating sleeve (400) is arranged in the vacuum cavity (170), a heating device (500) is arranged in the heat-insulating sleeve (400), and the bearing seat (300) is movably arranged in the heat-insulating sleeve (400).

4. The heating furnace for remelting solution treatment according to claim 2, characterized in that:

the nitrogen-filled vacuum pump further comprises a pressure regulating valve group, wherein the pressure regulating valve group is communicated to the inside of the vacuum cavity (170) and can convey nitrogen to the inside of the vacuum cavity (170).

5. The heating furnace for remelting solution treatment according to claim 1, wherein:

the heating device (500) is arranged in the furnace body (100), the temperature control mechanism is arranged on the bearing seat (300), and the temperature control mechanism is electrically connected with the heating device (500).

6. The heating furnace for remelting solution treatment according to claim 5, characterized in that:

the temperature control mechanism comprises a first temperature measurement piece and a PID control system, the first temperature measurement piece and the PID control system are arranged in the furnace body (100), a second temperature measurement piece used for being in contact with materials is arranged on the bearing seat (300), and the first temperature measurement piece, the second temperature measurement piece and the heating device (500) are all electrically connected with the PID control system.

7. The heating furnace for remelting solution treatment according to claim 1, characterized in that:

the furnace body (100) is provided with a circulating air cooling mechanism which is communicated to the inside of the furnace body (100) and can enable the inside of the furnace body (100) to carry out circulating air cooling operation.

8. The heating furnace for remelting solution treatment according to claim 7, characterized in that:

the circulating air cooling mechanism comprises a nitrogen charging assembly (600), a pressure sensor and an opening and closing valve (650) are arranged in the furnace body (100), and the nitrogen charging assembly (600) is communicated into the furnace body (100) and can drive nitrogen to circularly flow in the furnace body (100); the pressure sensor is connected with the opening and closing valve (650), and the opening and closing valve (650) is connected with the nitrogen charging assembly (600) and can prevent nitrogen from entering or flowing out of the furnace body (100).

9. The heating furnace for remelting solution treatment according to claim 8, wherein:

be provided with heating chamber (710) and cooling chamber (720) in furnace body (100), fill nitrogen subassembly (600) including set up in fan (610) and heat exchanger (620) in cooling chamber (720), fan (610) are connected with the wind channel, be provided with nozzle (630) in heating chamber (710), the wind channel with nozzle (630) are connected, open and close valve (650) set up in heating chamber (710) with between cooling chamber (720) and can isolate the two.

10. The heating furnace for remelting solution treatment according to claim 1, wherein:

the furnace wall of the furnace body (100) is internally provided with a water-cooling jacket layer.

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