CN214308127U - Cyaniding tailings electromagnetic heating processing apparatus - Google Patents
Cyaniding tailings electromagnetic heating processing apparatus Download PDFInfo
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- CN214308127U CN214308127U CN202120129968.XU CN202120129968U CN214308127U CN 214308127 U CN214308127 U CN 214308127U CN 202120129968 U CN202120129968 U CN 202120129968U CN 214308127 U CN214308127 U CN 214308127U
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- rotary kiln
- induction heating
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Abstract
The utility model relates to a cyaniding tailings electromagnetic heating processing apparatus belongs to cyaniding tailings processing apparatus. The intermediate frequency induction heating control power supply is connected with spiral induction heating inductor electricity, spiral induction heating inductor is around the rotary kiln external portion, temperature measurement thermocouple fixed connection is external at the rotary kiln, drive gear is connected with servo driving motor, drive gear, transition gear train and drive gear intermeshing, this drive gear both sides respectively with the stopper of admitting air, rotary kiln body fixed connection, the cylindrical jar of body of steel is internal at the rotary kiln through the stopper fixed connection that screws, the stopper that screws and the internal wall threaded connection of rotary kiln, the admission valve rotates with drive gear through the stopper that admits air to be connected, discharge valve rotates with the stopper of screwing to be connected. The device has the advantages of novel structure, thorough oxidation reaction, high efficiency, energy conservation, accurate temperature control and long service life, adopts electromagnetic energy to indirectly heat the cyanided tailings, and can be widely applied to the field of cyanided tailings heating treatment.
Description
Technical Field
The utility model belongs to the technical field of cyaniding tailings processing apparatus, in particular to cyaniding tailings electromagnetic heating processing apparatus.
Background
As most gold mines in China always adopt cyaniding gold extraction technology, a large amount of cyanide-containing tailings are generated in the gold production process, and most of the cyanide-containing tailings are accumulated in a tailings pond in a dry discharge mode. Along with the expansion of gold production scale and the extension of mining history, the accumulation amount of cyanide-containing tailings is increased year by year, a large amount of land is occupied, the tailings contain cyanide and heavy metals and become dangerous waste commonly existing in gold mine enterprises, and when the seepage-proofing treatment of a tailing pond is improper or the maintenance and management are not timely, the cyanide in the cyanide-containing tailings can pollute the surrounding environment and underground water due to rain infiltration.
At present, a plurality of methods for treating cyanide exist, wherein cyanide can be thoroughly decomposed by a heating method through an air atmosphere, the process is simple, and no secondary pollution is caused. The heating mode generally adopts resistance wire heating, and this kind of heating mode programming rate is slower to in the intensification process, thermal loss is great, and the energy consumption is high, and resistance wire life is short. Therefore, how to treat the cyaniding tailings quickly, efficiently and in an energy-saving manner is a key problem for realizing efficient, economic, clean and deep purification of the tailings.
Disclosure of Invention
The utility model provides a cyaniding tailings electromagnetic heating processing apparatus to when solving the present resistance wire heating that adopts, the programming rate of existence is slower, the problem that the energy consumption is high.
The utility model adopts the technical proposal that: the device comprises a medium-frequency induction heating control power supply, a spiral induction heating sensor, a transmission gear, an air inlet valve, a transition gear set, a driving gear, a steel cylindrical tank body, a servo driving motor, a rotary kiln body, a screwing plug, an air inlet plug, an exhaust valve and a temperature thermocouple, wherein the medium-frequency induction heating control power supply is electrically connected with the spiral induction heating sensor, the spiral induction heating sensor is wound outside the rotary kiln body, the gap between the spiral induction heating sensor and the spiral induction heating sensor is 3-6 mm, the temperature thermocouple is fixedly connected outside the rotary kiln body, the driving gear is connected with the servo driving motor, the driving gear, the transition gear set and the transmission gear are mutually meshed, two sides of the transmission gear are respectively and fixedly connected with the air inlet plug and the rotary kiln body, the steel cylindrical tank body is fixedly connected inside the rotary kiln body through the screwing plug, the screwing plug is in threaded connection with the inner wall of the rotary kiln body, and the air inlet valve is rotatably connected with the transmission gear through the air inlet plug, the exhaust valve is rotationally connected with the screwing plug, a channel is arranged between the transmission gear and the screwing plug, two ends of the steel cylindrical tank body are provided with openings, the diameters of the openings are consistent with those of the opening of the rotary kiln body, the channel in the screwing plug and the channel in the transmission gear, and the openings, the air inlet valve and the exhaust valve form an air passage.
The rotary kiln body is of a steel cylindrical structure.
The utility model has the advantages that the structure is novel, adopt the electromagnetic energy to heat cyaniding tailings indirectly, electromagnetic heating has advantages such as rate of heating is fast, energy-efficient, accurate accuse temperature, long service life, the electromagnetic heating principle is through intermediate frequency induction heating power output, the spiral induction heating inductor produces alternating magnetic field with the rotary kiln body part of external load, when placing inside the magnetic field with cylindrical rotary kiln body metal container, the container surface promptly cuts the magnetic line of force of alternation and produces the magnetic induction vortex of alternation at the circular outer wall of container, realize the intermediate frequency induction heating effect to the rotary kiln body; the atmosphere when heating is the air atmosphere, and the tailings passes through space stirring heating, and the degree of fragmentation is good, fully contacts with the air, and oxidation reaction is thorough, and electromagnetic induction intensity size can be adjusted, and heating temperature is controllable, and the indirect heating cyaniding tailings of electromagnetic energy rate of heating is fast, energy-efficient, accurate accuse temperature, long service life, can wide application in cyaniding tailings heat treatment field.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The device comprises a medium-frequency induction heating control power supply 1, a spiral induction heating inductor 2, a transmission gear 3, an air inlet valve 4, a transition gear set 5, a driving gear 6, a steel cylindrical tank body 7, a servo driving motor 8, a rotary kiln body 9, a screwing plug 10, an air inlet plug 11, an exhaust valve 12 and a temperature thermocouple 13, wherein the medium-frequency induction heating control power supply 1 is electrically connected with the spiral induction heating inductor 2, the spiral induction heating inductor 2 is wound outside the rotary kiln body 9, the gap between the spiral induction heating inductor and the rotary kiln body 9 is 3-6 mm, the temperature thermocouple 13 is fixedly connected outside the rotary kiln body 9, the driving gear 6 is connected with the servo driving motor 8, the driving gear 6, the transition gear set 5 and the transmission gear 3 are mutually meshed, two sides of the transmission gear 3 are respectively and fixedly connected with the air inlet plug 11 and the rotary kiln body 9, the steel cylindrical tank body 7 is fixedly connected in the rotary kiln body 9 through the screwing plug 10, the rotary kiln comprises a rotary kiln body 9, a screwing plug 10, an air inlet valve 4, an exhaust valve 12, a transmission gear 3, a screwing plug 10, a steel cylindrical tank body 7 and an air passage, wherein the screwing plug 10 is in threaded connection with the inner wall of the rotary kiln body 9 along with synchronous rotation of the rotary kiln body 9, the air inlet valve 4 is in rotary connection with the transmission gear 3 through the air inlet plug 11, the exhaust valve 12 is in rotary connection with the screwing plug 10, channels are formed in the middles of the transmission gear 3 and the screwing plug 10, the two ends of the steel cylindrical tank body are provided with openings, the diameters of the openings are consistent with those of the openings of the rotary kiln body 9, the channels in the screwing plug 10 and the channels in the transmission gear 3, and the openings, the air passage and the air inlet valve 4 and the exhaust valve 12 form an air passage.
The rotary kiln body 9 is of a steel cylindrical structure.
One end of the air inlet valve 4 is provided with a ball bearing, and the bearing end is connected with the air inlet plug 11, so that the air inlet plug can be kept still while rotating, and air is kept continuously introduced into the system;
and one end of the exhaust valve 12 is provided with a ball bearing, and the bearing end is connected with the screwing plug 10, so that the rotation is realized, the rotation is kept still, and the emission function of system experiment tail gas is realized.
Medium frequency induction heating control power supply 1, screw-type induction heating inductor 2, and electromagnetic heating system is constituteed to a plurality of temperature thermocouple 13, medium frequency induction heating control power supply rated output intermediate frequency is 10 ~ 15KHz, rated power 150KW, screw-type induction heating inductor 2's effective heating end is that external diameter 12mm and wall thickness are the curved system of heliciform cavity copper pipe of 1mm and forms, the inside cooling water return circuit that is the UNICOM's power of hollow copper pipe, for the system cooling, the 2 other ends of screw-type induction heating inductor are connected on the positive and negative poles of medium frequency induction heating control power supply 1's output, constitute whole electromagnetic heating system's current loop, and screw-type induction heating inductor profile shape and cylindrical steel rotary kiln body 9 phase-matches, both clearances are 3 ~ 6 mm.
The utility model discloses a working process:
firstly, cyanide tailings are filled into a steel cylindrical tank body 7, the steel cylindrical tank body 7 is filled into a rotary kiln body 9, and the rotary kiln body 9 is screwed in and fastened by a screwing plug 10; starting a servo driving motor 8, driving a gear 6 to start rotating, driving a transmission gear 3 to rotate through a transition gear set 5, and finally enabling a rotary kiln body 9 and a steel cylindrical tank body 7 to synchronously rotate at a constant speed; the air inlet valve 4 is opened, air is continuously introduced, so that cyanide tailings in the steel cylindrical tank body 7 are fully reacted and decomposed with the air, and waste gas is discharged by the exhaust valve 12; starting a medium-frequency induction heating control power supply 1, connecting a rotary kiln body 9 at a load end through a spiral induction heating inductor 2, outputting power, heating the rotary kiln body 9, driving an inner steel cylindrical tank body 7 to heat, heating cyaniding tailings, detecting the temperature of the rotary kiln body 9 through a plurality of temperature thermocouples 13, and feeding back to the medium-frequency induction heating control power supply 1 to keep the final experimental temperature between 400 and 450 ℃; and after the system runs for 60min, closing the medium-frequency induction heating control power supply 1, closing the servo driving motor 8, closing the air inlet valve 4 and completing the cyaniding tailings electromagnetic heating treatment process.
Claims (2)
1. The utility model provides a cyaniding tailings electromagnetic heating processing apparatus which characterized in that: the device comprises a medium-frequency induction heating control power supply, a spiral induction heating sensor, a transmission gear, an air inlet valve, a transition gear set, a driving gear, a steel cylindrical tank body, a servo driving motor, a rotary kiln body, a screwing plug, an air inlet plug, an exhaust valve and a temperature thermocouple, wherein the medium-frequency induction heating control power supply is electrically connected with the spiral induction heating sensor, the spiral induction heating sensor is wound outside the rotary kiln body, the gap between the spiral induction heating sensor and the spiral induction heating sensor is 3-6 mm, the temperature thermocouple is fixedly connected outside the rotary kiln body, the driving gear is connected with the servo driving motor, the driving gear, the transition gear set and the transmission gear are mutually meshed, two sides of the transmission gear are respectively and fixedly connected with the air inlet plug and the rotary kiln body, the steel cylindrical tank body is fixedly connected inside the rotary kiln body through the screwing plug, the screwing plug is in threaded connection with the inner wall of the rotary kiln body, and the air inlet valve is rotatably connected with the transmission gear through the air inlet plug, the exhaust valve is rotationally connected with the screwing plug, a channel is arranged between the transmission gear and the screwing plug, two ends of the steel cylindrical tank body are provided with openings, the diameters of the openings are consistent with those of the opening of the rotary kiln body, the channel in the screwing plug and the channel in the transmission gear, and the openings, the air inlet valve and the exhaust valve form an air passage.
2. The cyanidation tailings electromagnetic heating processing device according to claim 1, characterized in that: the rotary kiln body is of a steel cylindrical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120129968.XU CN214308127U (en) | 2021-01-18 | 2021-01-18 | Cyaniding tailings electromagnetic heating processing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120129968.XU CN214308127U (en) | 2021-01-18 | 2021-01-18 | Cyaniding tailings electromagnetic heating processing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214308127U true CN214308127U (en) | 2021-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120129968.XU Active CN214308127U (en) | 2021-01-18 | 2021-01-18 | Cyaniding tailings electromagnetic heating processing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214308127U (en) |
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2021
- 2021-01-18 CN CN202120129968.XU patent/CN214308127U/en active Active
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