CN216011688U - Device for simplifying RKEF production line equipment - Google Patents
Device for simplifying RKEF production line equipment Download PDFInfo
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- CN216011688U CN216011688U CN202121793665.4U CN202121793665U CN216011688U CN 216011688 U CN216011688 U CN 216011688U CN 202121793665 U CN202121793665 U CN 202121793665U CN 216011688 U CN216011688 U CN 216011688U
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- rotary kiln
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Abstract
The utility model discloses a device for simplifying RKEF production line equipment, which comprises a feeding box body: the automatic opening and closing mechanism is arranged at the upper side position of the feeding box body; the rotary kiln is connected to the right side of the feeding box body through a bearing; the blanking box body is connected to the right end of the rotary kiln through a bearing; the first supporting seat is arranged at the left side position of the lower end of the rotary kiln; the rotary supporting mechanism is connected to the upper end face of the first supporting seat; and the second supporting seat is arranged at the right side position of the lower end of the rotary kiln. This simplify device of RKEF production line equipment can be convenient for guarantee the leakproofness of full-line operation and the full-line design of lining up to thermal utilization ratio has been improved, and can be convenient for adjust the hot-blast balance of negative pressure of flue gas and avoid carbon monoxide to be lighted, thereby improves the production security of this RKEF production line.
Description
Technical Field
The utility model relates to the technical field of RKEF production lines, in particular to a device for simplifying RKEF production line equipment.
Background
The RKEF refers to a rotary kiln electric furnace which is a mainstream process for smelting ferronickel at present, a large amount of high-temperature flue gas is generated when the RKEF is used for smelting ferronickel, in the existing RKEF production line, the processing flow or emission of the flue gas have different operation modes, and the most common domestic use method comprises the following steps:
1. the operation method well controls the flue gas flow, but has the defects of high early investment cost, high operation cost, large amount of labor and the like;
2. the method also considers the flue gas dust removal result of the submerged arc furnace, generally adopts electric dust removal due to stable flue gas temperature, but the flue gas of the submerged arc furnace contains a certain amount of carbon monoxide, the ignition point of the carbon monoxide is low, and the flue gas enters the electric dust removal device and is easy to ignite and explode;
therefore, there is a need for a device that simplifies the equipment of the RKEF line to address the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a device for simplifying RKEF production line equipment, which aims to solve the problems of high investment cost, high operation cost, large amount of labor and poor production safety of the conventional RKEF production line in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme:
a device for simplifying RKEF production line equipment comprises a feeding box body:
the automatic opening and closing mechanism is arranged at the upper side position of the feeding box body;
the rotary kiln is connected to the right side of the feeding box body through a bearing;
the blanking box body is connected to the right end of the rotary kiln through a bearing;
the first supporting seat is arranged at the left side position of the lower end of the rotary kiln;
the rotary supporting mechanism is connected to the upper end face of the first supporting seat;
the second supporting seat is arranged at the right side position of the lower end of the rotary kiln;
the rotary kiln driving mechanism is connected to the upper end face of the second supporting seat;
the air mixing chamber is arranged at the right side of the blanking box body and is connected with the upper end of the blanking box body through a pipeline;
the first high-temperature flue gas adjusting valve is connected to a pipeline between the air mixing chamber and the blanking box body;
the submerged arc furnace is arranged at the front side position of the air mixing chamber and is connected with the air mixing chamber through a pipeline;
the inspection door is connected to the outer wall of the submerged arc furnace;
the thermal imaging device is fixedly connected to the outer wall of the submerged arc furnace on the upper side of the inspection door;
the second flue gas high-temperature regulating valve is connected to a pipeline between the submerged arc furnace and the air mixing chamber;
the denitration system is arranged at the right side of the air mixing chamber and is connected with the air mixing chamber through a pipeline;
the drying system is arranged on the right side of the denitration system and is connected with the denitration system through a pipeline;
and the vertical thrust stirrer is connected to the upper end face of the drying system.
By adopting the technical scheme, the materials can be heated, roasted and pre-reduced conveniently through the rotary kiln, the flue gas can be mixed conveniently through the air mixing chamber, and the smelting and charging conditions in the submerged arc furnace can be remotely monitored conveniently through the thermal imaging equipment.
Preferably, the automatic opening and closing mechanism includes:
the cover plate is connected to the inner position of the upper side of the upper material box body in a sliding mode;
the rack is fixedly connected to the middle position of the lower end face of the cover plate;
the opening and closing motor is fixedly connected to the upper side position of the left end face of the feeding box body;
the switching gear, switching gear key-type connect in on the axle of switching motor, just the switching gear with the rack toothing is connected.
By adopting the technical scheme, the cover plate can be conveniently opened when feeding, and the cover plate can be automatically closed after feeding is completed, so that the loss of hot gas in the production process can be prevented.
Preferably, the rotation support mechanism includes:
the support frame is fixedly connected to the upper end face of the first support seat;
the supporting wheel is connected to the front side and the rear side of the supporting frame through the supporting wheel shaft;
and the support ring is fixedly connected to the outer side surface of the left end of the rotary kiln.
By adopting the technical scheme, the rotary kiln can be conveniently and smoothly rotated by the contact connection of the supporting wheels and the supporting rings, the rotating friction force is reduced, and the loss of electric energy is reduced.
Preferably, the rotary kiln driving mechanism comprises:
the rotary driving motor is fixedly connected to the upper end face of the second supporting seat;
a rotary drive gear keyed to a shaft of the rotary drive motor;
and the gear ring is fixedly connected to the outer side surface of the right end of the rotary kiln.
By adopting the technical scheme, the rotary kiln can be driven to rotate by the rotary driving motor, so that the reaction of the materials in the rotary kiln is more uniform.
Preferably: rubber layers are arranged on the upper end face and the lower end face of the left side of the cover plate.
By adopting the technical scheme, the rubber layers arranged on the upper end surface and the lower end surface of the left side of the cover plate can improve the sealing performance of the closed cover plate.
Compared with the prior art, the utility model has the beneficial effects that: this simplify device of RKEF production line equipment can be convenient for guarantee the leakproofness of full-line operation and the design of lining up of full-line to improved thermal utilization ratio, and can be convenient for adjust the hot-blast balance of negative pressure of flue gas and avoid carbon monoxide to be lighted, thereby improve the production security of this RKEF production line:
1. the sealing performance of the RKEF production line can be effectively improved through the arranged automatic opening and closing mechanism and the vertical thrust stirrer, so that the leakage amount of flue gas hot air is reduced, the whole line is in a run-through design, a single fan is used for controlling, the utilization rate of heat is improved, the flow is simplified, the number of equipment and labor is reduced, the investment cost is reduced, and the operation energy consumption is saved;
2. the hot stove in ore deposit and the hot-blast balance of rotary kiln flue gas negative pressure can be adjusted through setting up of first flue gas high temperature regulating valve and second flue gas high temperature regulating valve, and the flue gas need not to get into electrostatic precipitator to avoid carbon monoxide to be lighted and produce the explosion, thereby improve the production security of this RKEF production line.
Drawings
FIG. 1 is a front perspective view of the present invention;
FIG. 2 is an enlarged view of point a of FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of point b of FIG. 1 according to the present invention;
FIG. 4 is a schematic left-view perspective view of the present invention;
fig. 5 is an enlarged schematic view of point c in fig. 4 according to the present invention.
In the figure: 1. a feeding box body; 2. an automatic opening and closing mechanism; 201. a cover plate; 202. a rack; 203. switching on and off the motor; 204. an opening and closing gear; 3. a rotary kiln; 4. a blanking box body; 5. a first support base; 6. a rotation support mechanism; 601. a support frame; 602. a support wheel; 603. a support ring; 7. a second support seat; 8. A rotary kiln driving mechanism; 801. a rotary drive motor; 802. a rotary drive gear; 803. a ring gear; 9. A wind mixing chamber; 10. a first flue gas high temperature regulating valve; 11. a submerged arc furnace; 12. an inspection door; 13. a thermal imaging device; 14. a second flue gas high-temperature regulating valve; 15. a denitration system; 16. a drying system; 17. a vertical thrust mixer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution:
a device for simplifying RKEF production line equipment comprises a feeding box body 1:
the automatic opening and closing mechanism 2 is arranged at the upper side position of the upper material box body 1; the automatic opening/closing mechanism 2 includes: the cover plate 201 is connected to the inner position of the upper side of the feeding box body 1 in a sliding mode; the rack 202 is fixedly connected to the middle position of the lower end face of the cover plate 201; the opening and closing motor 203, the opening and closing motor 203 is fixedly connected to the upper side position of the left end face of the upper material box body 1; an opening and closing gear 204, wherein the opening and closing gear 204 is connected to the shaft of the opening and closing motor 203 in a key manner, and the opening and closing gear 204 is meshed with the rack 202; rubber layers are arranged on the upper end face and the lower end face of the left side of the cover plate 201; when the material loading is needed, the opening and closing gear 204 is driven to rotate through the rotation of the opening and closing motor 203, the opening and closing gear 204 drives the rack 202 to move, so that the rack 202 drives the cover plate 201 to slide on the material loading box body 1 to be opened, after the material loading is completed, the opening and closing motor 203 rotates reversely to drive the cover plate 201 to be closed, and therefore the dissipation of smoke heat is prevented.
The rotary kiln 3 is connected to the right side of the feeding box body 1 through a bearing; the blanking box body 4 is connected to the right end of the rotary kiln 3 through a bearing; the first supporting seat 5 is arranged at the left side position of the lower end of the rotary kiln 3; the rotary supporting mechanism 6 is connected to the upper end face of the first supporting seat 5; the rotation support mechanism 6 includes: the support frame 601 is fixedly connected to the upper end face of the first support seat 5; the supporting wheels 602 are connected with the front side and the rear side of the supporting frame 601 through shafts; the support ring 603, the support ring 603 is fixedly connected on the outer side surface of the left end of the rotary kiln 3; the friction force of the rotary kiln 3 is reduced by the rolling friction between the rotary kiln 3 and the rotary support mechanism 6 through the matching of the support wheels 602 and the support ring 603.
The second supporting seat 7 is arranged at the right side position of the lower end of the rotary kiln 3; the rotary kiln driving mechanism 8 is connected to the upper end face of the second supporting seat 7; the rotary kiln driving mechanism 8 comprises: the rotary driving motor 801 is fixedly connected to the upper end face of the second supporting seat 7; a rotary driving gear 802, wherein the rotary driving gear 802 is connected to the shaft of the rotary driving motor 801 in a key manner; the gear ring 803 is fixedly connected to the outer side surface of the right end of the rotary kiln 3; the rotary driving gear 802 is driven to rotate by the rotation of the rotary driving motor 801, and the rotary driving gear 802 drives the rotary kiln 3 to rotate through the gear ring 803, so that the material reaction is more uniform.
The air mixing chamber 9 is arranged at the right side position of the blanking box body 4, and the air mixing chamber 9 is connected with the upper end of the blanking box body 4 through a pipeline; the first flue gas high-temperature adjusting valve 10 is connected to a pipeline between the air mixing chamber 9 and the blanking box body 4; the submerged arc furnace 11 is arranged at the front side of the air mixing chamber 9, and the submerged arc furnace 11 is connected with the air mixing chamber 9 through a pipeline; an inspection door 12, wherein the inspection door 12 is connected to the outer wall of the submerged arc furnace 11; the thermal imaging device 13, the thermal imaging device 13 is fixedly connected to the outer wall of the submerged arc furnace 11 on the upper side of the inspection door 12; the second flue gas high-temperature regulating valve 14, the second flue gas high-temperature regulating valve 14 is connected to the pipeline between the submerged arc furnace 11 and the air mixing chamber 9; the arrangement of the first flue gas high-temperature regulating valve 10 and the second flue gas high-temperature regulating valve 14 can regulate the negative pressure hot air balance of the flue gas of the submerged arc furnace 11 and the rotary kiln 3, so that the utilization rate and the safety of the heat of the flue gas are improved; the smelting and charging conditions in the submerged arc furnace 11 can be remotely monitored through the arrangement of the thermal imaging device 13.
The denitration system 15 is arranged at the right side position of the air mixing chamber 9, and the denitration system 15 is connected with the air mixing chamber 9 through a pipeline; the drying system 16 is arranged on the right side of the denitration system 15, and the drying system 16 is connected with the denitration system 15 through a pipeline; a vertical thrust mixer 17, wherein the vertical thrust mixer 17 is connected to the upper end surface of the drying system 16; by the arrangement of the vertical thrust mixer 17 on the upper side of the drying system 16, the vertical thrust mixer 17 can convey dry or wet ore in large quantities in the operating state, and is basically in a closed state when the operation is stopped, thereby improving the sealing performance of the RKEF production line, and the content which is not described in detail in the specification belongs to the prior art which is well known by the technicians in the field.
It is to be understood that the terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the purpose of convenience and simplicity of description, and do not indicate or imply that the referenced devices or components must be in a particular orientation, constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the present invention.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a simplify device of RKEF production line equipment, includes the material loading box, its characterized in that:
the automatic opening and closing mechanism is arranged at the upper side position of the feeding box body;
the rotary kiln is connected to the right side of the feeding box body through a bearing;
the blanking box body is connected to the right end of the rotary kiln through a bearing;
the first supporting seat is arranged at the left side position of the lower end of the rotary kiln;
the rotary supporting mechanism is connected to the upper end face of the first supporting seat;
the second supporting seat is arranged at the right side position of the lower end of the rotary kiln;
the rotary kiln driving mechanism is connected to the upper end face of the second supporting seat;
the air mixing chamber is arranged at the right side of the blanking box body and is connected with the upper end of the blanking box body through a pipeline;
the first high-temperature flue gas adjusting valve is connected to a pipeline between the air mixing chamber and the blanking box body;
the submerged arc furnace is arranged at the front side position of the air mixing chamber and is connected with the air mixing chamber through a pipeline;
the inspection door is connected to the outer wall of the submerged arc furnace;
the thermal imaging device is fixedly connected to the outer wall of the submerged arc furnace on the upper side of the inspection door;
the second flue gas high-temperature regulating valve is connected to a pipeline between the submerged arc furnace and the air mixing chamber;
the denitration system is arranged at the right side of the air mixing chamber and is connected with the air mixing chamber through a pipeline;
the drying system is arranged on the right side of the denitration system and is connected with the denitration system through a pipeline;
and the vertical thrust stirrer is connected to the upper end face of the drying system.
2. The apparatus of claim 1, wherein the automatic opening and closing mechanism comprises:
the cover plate is connected to the inner position of the upper side of the upper material box body in a sliding mode;
the rack is fixedly connected to the middle position of the lower end face of the cover plate;
the opening and closing motor is fixedly connected to the upper side position of the left end face of the feeding box body;
the switching gear, switching gear key-type connect in on the axle of switching motor, just the switching gear with the rack toothing is connected.
3. The apparatus of claim 1, wherein said rotary support mechanism comprises:
the support frame is fixedly connected to the upper end face of the first support seat;
the supporting wheel is connected to the front side and the rear side of the supporting frame through the supporting wheel shaft;
and the support ring is fixedly connected to the outer side surface of the left end of the rotary kiln.
4. The apparatus as claimed in claim 1, wherein said rotary kiln drive mechanism comprises:
the rotary driving motor is fixedly connected to the upper end face of the second supporting seat;
a rotary drive gear keyed to a shaft of the rotary drive motor;
and the gear ring is fixedly connected to the outer side surface of the right end of the rotary kiln.
5. The apparatus of claim 2, wherein said apparatus further comprises: rubber layers are arranged on the upper end face and the lower end face of the left side of the cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121793665.4U CN216011688U (en) | 2021-08-03 | 2021-08-03 | Device for simplifying RKEF production line equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121793665.4U CN216011688U (en) | 2021-08-03 | 2021-08-03 | Device for simplifying RKEF production line equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216011688U true CN216011688U (en) | 2022-03-11 |
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ID=80589869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121793665.4U Active CN216011688U (en) | 2021-08-03 | 2021-08-03 | Device for simplifying RKEF production line equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216011688U (en) |
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2021
- 2021-08-03 CN CN202121793665.4U patent/CN216011688U/en active Active
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