CN215261169U - Electric calcining furnace with controllable discharge port - Google Patents
Electric calcining furnace with controllable discharge port Download PDFInfo
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- CN215261169U CN215261169U CN202121171704.7U CN202121171704U CN215261169U CN 215261169 U CN215261169 U CN 215261169U CN 202121171704 U CN202121171704 U CN 202121171704U CN 215261169 U CN215261169 U CN 215261169U
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Abstract
The utility model provides an electric calcining furnace with a controllable discharge port, belonging to the technical field of electric calcining graphitization; the electric calcining furnace comprises an electric calcining furnace body, wherein a plurality of discharging pipes are arranged at the bottom of the electric calcining furnace body, a negative electrode is arranged on the inner side of the bottom of the electric calcining furnace body, a cooling water jacket is arranged on the side face of the bottom of the electric calcining furnace body, a heat insulation ring is arranged on the upper portion of the cooling water jacket on the side face of the electric calcining furnace body, a distribution plate is arranged in the middle of the inner side of the electric calcining furnace body, the middle of the electric calcining furnace body is of a cylindrical barrel structure, the distribution plate is of an inverted cone structure, the distribution plate is located on the wall face of the electric calcining furnace body and is a high point, the distribution plate is located in the center of the inner portion of the electric calcining furnace body and is a low point, a positive electrode is arranged on the inner side of the top of the electric calcining furnace body, a plurality of feeding pipes are arranged on the top of the electric calcining furnace body, and an exhaust pipe is arranged on one side of the top of the electric calcining furnace body. The utility model discloses a furnace charge drainage unloader with furnace center material drainage to discharging pipe in, replenishes peripheral material to the furnace center in the stove again, reaches the controllable formula ejection of compact, guarantees that what the discharging pipe was carried is from peripheral flow to central electricity and forges even furnace charge.
Description
Technical Field
The utility model provides an electric calcining furnace of controllable formula discharge gate belongs to the electric graphitization technical field of calcining.
Background
An electric calcining furnace is a furnace kiln device for carrying out heat treatment on carbon particle raw materials such as anthracite, petroleum coke, pitch coke, metallurgical coke, carbon block baking and crushing and the like in the metallurgical industry. The whole electric calcining furnace is in a vertical hollow cylindrical structure, carbon particles are continuously added from the upper part of the electric calcining furnace, and are continuously discharged from the lower part of the electric calcining furnace. The upper part of the electric calcining furnace is provided with an upper electrode, the lower part of the electric calcining furnace is provided with a lower electrode, when the carbon particles pass through the cavity of the furnace body from top to bottom, the electric calcining furnace is electrified, the carbon particles form a resistance material layer to generate heat, and the electric energy is utilized to carry out self-heating. The electric calcining furnace can heat treat the carbon particle raw material to the average temperature of more than 1700 ℃ through electric energy, thereby removing the volatile matters, sulfur, nitrogen and other impurities in the carbon particles, simultaneously improving the true density of the carbon particles and reducing the resistivity of the carbon particles, so that the carbon particles have excellent performance when being used as blast furnace carbon blocks, cathode carbon blocks for aluminum, electric furnace carbon blocks and recarburization raw materials. The temperature gradient exists in the furnace along the radial direction, namely the temperature in the central part of the furnace can reach more than 2000 ℃, but the temperature in the peripheral part of the furnace can only reach 1200-1400 ℃. The carbon particles after electric calcination have uneven texture, thereby limiting the improvement of the performances of blast furnace carbon blocks, aluminum cathode carbon blocks, electric furnace carbon blocks and carburant which are made of the carbon particles, and particularly, the carbon particles can not be made of high-grade carburant with low requirements on sulfur content and nitrogen content.
SUMMERY OF THE UTILITY MODEL
The utility model provides an electricity of controllable formula discharge gate is forged stove has adopted furnace charge drainage unloader, with furnace center material drainage to discharging pipe in, supplements the furnace periphery material to the center in the stove again, reaches the controllable formula ejection of compact, guarantees that what the discharging pipe was carried is from peripheral flow to central electricity and forges even furnace charge.
The utility model provides an electric calcining furnace of controllable formula discharge gate, its characterized in that: including the electricity forge furnace, electricity forge furnace bottom is equipped with a plurality of discharging pipes, electricity forge furnace bottom inboard is equipped with the negative electrode, electricity forge furnace bottom side is equipped with the cooling water jacket, electricity forge furnace side is located cooling water jacket upper portion and is equipped with adiabatic ring, electricity forge furnace inboard middle part is equipped with the distributing plate, electricity forge furnace middle part is cylindrical barrel structure, the distributing plate is the obconic structure, the distributing plate is located electricity forge furnace wall department and is the high point, the distributing plate is located electricity forge furnace internal center department and is the low point, electricity forge furnace top inboard is equipped with the positive electrode, electricity forge furnace top is equipped with a plurality of inlet pipes, electricity forge furnace top one side and be equipped with the blast pipe.
The electric calcining furnace is characterized in that a power supply device is arranged on the outer side of the electric calcining furnace, a transformer is arranged on the power supply device, the transformer is connected with a rectifier through a circuit, the negative electrode of the rectifier is connected to the negative electrode through a circuit, and the positive electrode of the rectifier is connected to the positive electrode through a circuit.
The side surface of the bottom of the cooling water jacket is provided with a water inlet pipe, the water inlet pipe is provided with a water inlet valve, the side surface of the top of the cooling water jacket is provided with a water return pipe, and the water return pipe is provided with a water return valve.
The electric calcining furnace is provided with a heat insulation layer on the upper part of the heat insulation ring.
The discharging pipe is provided with a discharging valve, and the exhaust pipe is provided with an exhaust valve.
The inlet pipe top is equipped with the feeder hopper.
The principle of the utility model is as follows:
when in use, carbon particles are added from a feed hopper and enter an electric calcining furnace through a feed pipe, the electric calcining furnace is connected with a power supply after being filled, the power supply is reduced in voltage through a transformer and then is transmitted to a positive electrode through a rectifier after being rectified, the positive electrode is contacted with the carbon particles and is continuously transmitted, and finally is transmitted to a rectifier negative electrode through a negative electrode to form a loop, the resistance of the carbon particles is larger, the carbon particles are heated and heated automatically after current transmission, so that impurities such as volatile matters, sulfur, nitrogen and the like in the carbon particles are discharged, meanwhile, the density of the carbon particles is improved, the resistivity of the carbon particles is reduced, an exhaust valve is opened, the discharged volatile gas is discharged to a specified processing device through an exhaust pipe, a water inlet valve and a water return valve are opened, a cooling water jacket is used for circularly cooling the bottom of the electric calcining furnace, the first batch of bottom materials are not heated sufficiently and are unqualified products, and after the output current of the power supply is stable, open the bleeder valve, at first discharge the nonconforming product of bottom, then continue normal ejection of compact to the assigned device, block because of the distributing plate, be located the electric calciner central point and put the carbon particle through sufficient electric calcining and at first supply to the bottom, the carbon particle that is located the electric calciner edge slides to the electric calciner center along the distributing plate, the inlet pipe is located electric calciner top side simultaneously, guarantee that the feeding gets into from the top edge and pushes away to the inside central point of electric calciner again, thereby guarantee that all carbon particles all pass through the inside central core zone of heating of electric calciner, the material that the discharging pipe discharged all passes through the electric calciner edge and preheats, pass through electric calciner center and continue to heat, the quality of the product of control discharge gate discharge, improved the stability of electric calciner simultaneously, thereby the controllability of discharge gate has been realized. The function of the heat insulating ring is to ensure that the cold energy of the cooling water jacket can not be transmitted to the upper heating area of the electric calcining furnace through the electric calcining furnace to influence the electric calcining temperature, and the function of the heat insulating layer is to ensure that the heat in the electric calcining furnace is not dissipated.
The utility model has the advantages that:
the utility model provides an electricity of controllable formula discharge gate is forged stove has adopted furnace charge drainage unloader, with furnace center material drainage to discharging pipe in, supplements the furnace periphery material to the center in the stove again, reaches the controllable formula ejection of compact, guarantees that what the discharging pipe was carried is from peripheral flow to central electricity and forges even furnace charge.
Drawings
Fig. 1 is a schematic structural view of an electric forging furnace with a controllable discharge port of the present invention.
(1, electric calcining furnace; 2, discharge pipe; 3, negative electrode; 4, cooling water jacket; 5, heat-insulating ring; 6, distribution plate; 7, positive electrode; 8, feed pipe; 9, exhaust pipe; 10, transformer; 11, rectifier; 12, water inlet pipe; 13, water inlet valve; 14, water return pipe; 15, water return valve; 16, heat-insulating layer; 17, discharge valve; 18, exhaust valve; 19, feed hopper)
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
The utility model provides an electric calcining furnace of controllable formula discharge gate, its characterized in that: including electricity forge furnace 1, 1 bottom of electricity forge furnace is equipped with a plurality of discharging pipes 2, 1 bottom inboard of electricity forge furnace is equipped with negative electrode 3, 1 bottom side of electricity forge furnace is equipped with cooling water jacket 4, 1 side of electricity forge furnace is located cooling water jacket 4 upper portion and is equipped with adiabatic ring 5, 1 inboard middle part of electricity forge furnace is equipped with distributing plate 6, 1 middle part of electricity forge furnace is cylindrical barrel structure, distributing plate 6 is the obconic structure, distributing plate 6 is located 1 wall department of electricity forge furnace and is the high point, distributing plate 6 is located 1 inside center department of electricity forge furnace and is the low point, 1 top inboard of electricity forge furnace is equipped with positive electrode 7, 1 top of electricity forge furnace is equipped with a plurality of inlet pipes 8, 1 top one side of electricity forge furnace is equipped with blast pipe 9.
The electric calcining furnace is characterized in that a power supply device is arranged on the outer side of the electric calcining furnace 1, the power supply device is provided with a transformer 10, the transformer 10 is connected with a rectifier 11 through a circuit, the negative pole of the rectifier 11 is connected to the negative electrode 3 through a circuit, and the positive pole of the rectifier 11 is connected to the positive electrode 7 through a circuit.
The side of the bottom of the cooling water jacket 4 is provided with a water inlet pipe 12, the water inlet pipe 12 is provided with a water inlet valve 13, the side of the top of the cooling water jacket 4 is provided with a water return pipe 14, and the water return pipe 14 is provided with a water return valve 15.
The electric calcining furnace 1 is provided with an insulating layer 16 on the upper part of the heat insulating ring 5.
The discharge pipe 2 is provided with a discharge valve 17, and the exhaust pipe 9 is provided with an exhaust valve 18.
The top of the feeding pipe 8 is provided with a feeding hopper 19.
According to the illustration of FIG. 1:
when the electric calcining furnace is used, carbon particles are added from a feed hopper 19 and enter the electric calcining furnace 1 through a feed pipe 8, the electric calcining furnace 1 is powered on after being fully charged, the power supply is reduced in voltage through a transformer 10 and then is transmitted to a positive electrode 7 through a rectifier 11 after being rectified, the positive electrode 7 is in contact with the carbon particles and is continuously transmitted, and finally is transmitted to a negative electrode of the rectifier 11 through a negative electrode 3 to form a loop, the resistance of the carbon particles is relatively large, the carbon particles are heated and heated automatically after current transmission, so that impurities such as volatile matters, sulfur, nitrogen and the like in the carbon particles are discharged, meanwhile, the density of the carbon particles is improved, the resistivity of the carbon particles is reduced, an exhaust valve 18 is opened, the discharged volatile gas is discharged to a designated processing device through an exhaust pipe 9, a water inlet valve 13 and a water return valve 15 are opened, a cooling water jacket 4 is used for circularly cooling the bottom of the electric calcining furnace 1, and the first batch of bottom materials is not sufficiently heated when the furnace is opened, for unqualified products, when the output current of the power supply is stable, the discharge valve 17 is opened to discharge the unqualified products at the bottom, then continuously and normally discharging to a designated device, because the distribution plate 6 blocks, the carbon particles which are positioned at the center of the electric calcining furnace 1 and fully calcined are firstly supplemented to the bottom, the carbon particles positioned at the edge of the electric calcining furnace 1 slide to the center of the electric calcining furnace 1 along the distribution plate 6, meanwhile, the feeding pipe 8 is positioned on the side surface of the top of the electric calcining furnace 1 to ensure that the feeding material enters from the edge of the top and is pushed to the central position in the electric calcining furnace 1, thereby guarantee that all carbon particles all pass through the inside central core zone of heating of electricity forge furnace 1, the material of discharging pipe 2 exhaust all preheats through electricity forge furnace 1 edge, and through the continuous heating in electricity forge furnace 1 center, the quality of the discharge gate exhaust product is controlled, has improved the stability of electricity forge furnace 1 simultaneously to the controllability of discharge gate has been realized. The heat insulation ring 5 has the function of ensuring that the cold energy of the cooling water jacket 4 cannot be transmitted to the upper heating area of the electric calcining furnace 1 through the electric calcining furnace 1 to influence the electric calcining temperature, and the heat insulation layer 16 has the function of ensuring that the heat in the electric calcining furnace 1 is not dissipated.
The utility model discloses a furnace charge drainage unloader with furnace center material drainage to discharging pipe in, replenishes peripheral material to the furnace center in the stove again, reaches the controllable formula ejection of compact, guarantees that what the discharging pipe was carried is from peripheral flow to central electricity and forges even furnace charge.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides an electric calcining furnace of controllable formula discharge gate which characterized in that: comprises an electric calcining furnace (1), a plurality of discharging pipes (2) are arranged at the bottom of the electric calcining furnace (1), a negative electrode (3) is arranged on the inner side of the bottom of the electric calcining furnace (1), a cooling water jacket (4) is arranged on the side surface of the bottom of the electric calcining furnace (1), the side surface of the electric calcining furnace (1) is provided with a heat insulating ring (5) at the upper part of the cooling water jacket (4), the middle part of the inner side of the electric calcining furnace (1) is provided with a distribution plate (6), the middle part of the electric calcining furnace (1) is of a cylindrical barrel structure, the distribution plate (6) is of an inverted cone structure, the distribution plate (6) is positioned on the wall surface of the electric calcining furnace (1) and is a high point, the distribution plate (6) is positioned at the center of the inside of the electric calcining furnace (1) and is a low point, the inside of the top of the electric calciner (1) is provided with a positive electrode (7), the top of the electric calciner (1) is provided with a plurality of feeding pipes (8), and one side of the top of the electric calciner (1) is provided with an exhaust pipe (9).
2. An electric calciner according to claim 1 in which the discharge port is controllable, and the discharge port is: the electric calcining furnace is characterized in that a power supply device is arranged on the outer side of the electric calcining furnace (1), the power supply device is provided with a transformer (10), the transformer (10) is connected with a rectifier (11) through a circuit, the negative pole of the rectifier (11) is connected to the negative pole (3) through a circuit, and the positive pole of the rectifier (11) is connected to the positive pole (7) through a circuit.
3. An electric calciner according to claim 1 in which the discharge port is controllable, and the discharge port is: the side of the bottom of the cooling water jacket (4) is provided with a water inlet pipe (12), the water inlet pipe (12) is provided with a water inlet valve (13), the side of the top of the cooling water jacket (4) is provided with a water return pipe (14), and the water return pipe (14) is provided with a water return valve (15).
4. An electric calciner according to claim 1 in which the discharge port is controllable, and the discharge port is: the electric calcining furnace (1) is provided with a heat insulation layer (16) on the upper part of the heat insulation ring (5).
5. An electric calciner according to claim 1 in which the discharge port is controllable, and the discharge port is: the discharging pipe (2) is provided with a discharging valve (17), and the exhaust pipe (9) is provided with an exhaust valve (18).
6. An electric calciner according to claim 1 in which the discharge port is controllable, and the discharge port is: the top of the feeding pipe (8) is provided with a feeding hopper (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121171704.7U CN215261169U (en) | 2021-05-28 | 2021-05-28 | Electric calcining furnace with controllable discharge port |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121171704.7U CN215261169U (en) | 2021-05-28 | 2021-05-28 | Electric calcining furnace with controllable discharge port |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215261169U true CN215261169U (en) | 2021-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121171704.7U Active CN215261169U (en) | 2021-05-28 | 2021-05-28 | Electric calcining furnace with controllable discharge port |
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| Country | Link |
|---|---|
| CN (1) | CN215261169U (en) |
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2021
- 2021-05-28 CN CN202121171704.7U patent/CN215261169U/en active Active
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