CN216115203U - Electric furnace tail gas drying device for zinc production - Google Patents
Electric furnace tail gas drying device for zinc production Download PDFInfo
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- CN216115203U CN216115203U CN202122745552.3U CN202122745552U CN216115203U CN 216115203 U CN216115203 U CN 216115203U CN 202122745552 U CN202122745552 U CN 202122745552U CN 216115203 U CN216115203 U CN 216115203U
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Abstract
The utility model discloses an electric furnace tail gas drying device for zinc production, and relates to the technical field of electric furnace zinc smelting. The drying cylinder comprises a drying cylinder, a first tail gas inlet pipe and a centrifugal assembly, wherein the first tail gas inlet pipe is arranged at the center of the inside of the drying cylinder, a first gear ring is fixedly sleeved at the top end of the first tail gas inlet pipe and meshed with a first gear, the first gear is fixed on an output shaft of a first motor, and the first motor is fixed at the top of the drying cylinder. According to the utility model, the first tail gas inlet pipe can rotate by arranging the first gear ring and the first gear, the rotating plate can rotate by arranging the second gear ring and the driving mechanism, raw materials falling onto the rotating plate through the material guide hopper are gradually dispersed under the action of centrifugal force and are fully contacted and dried with the tail gas of the high-temperature electric furnace, the drying effect is greatly improved, and the problems that the raw materials and the tail gas of the existing electric furnace tail gas drying device are not fully contacted and the drying effect is not ideal are solved.
Description
Technical Field
The utility model belongs to the technical field of electric furnace zinc smelting, and particularly relates to an electric furnace tail gas drying device for zinc production.
Background
There are two kinds of smelting processes for zinc: pyrometallurgy and hydrometallurgy.
The pyrometallurgical zinc smelting technology is divided into vertical tank zinc smelting, closed blast furnace zinc smelting, electric furnace zinc smelting and horizontal tank zinc smelting. The first two methods are the current main zinc-smelting methods in China, the electric furnace zinc smelting is only adopted by medium and small zinc-smelting plants, and the horizontal tank zinc smelting is eliminated.
The zinc smelting method by using electric furnace is a zinc smelting method which directly heats zinc-containing furnace charge by using electric energy as a heat source and continuously reduces and distills metal zinc. The electric heating method is directly at the stove interior heating furnace charge, does not need the combustion chamber, so the used stove of electric heating method accounts for the volume little, and hot loss is also little, and heat utilization rate is high, and the tail gas that the electric stove produced contains a large amount of heats, and the white discharge can cause the waste of the energy, so often adopt electric stove tail gas to dry the zinc-making raw materials now, the energy saving, but current electric stove tail gas drying device still has following drawback in the in-service use:
1. the existing drying device has insufficient contact between raw materials and tail gas and has unsatisfactory drying effect;
2. the existing drying device is weak in continuous production, and the drying efficiency needs to be improved.
Therefore, the existing electric furnace tail gas drying device cannot meet the requirements in practical use, so that an improved technology is urgently needed in the market to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an electric furnace tail gas drying device for zinc production, which is characterized in that a first tail gas inlet pipe can be rotated by arranging a first gear ring and a first gear, a rotating plate can be rotated by arranging a second gear ring and a driving mechanism, raw materials falling onto the rotating plate through a material guide hopper are gradually dispersed under the action of centrifugal force and are fully contacted and dried with tail gas of a high-temperature electric furnace, the drying effect is greatly improved, and the problems that the raw materials are not fully contacted with the tail gas and the drying effect is not ideal in the conventional electric furnace tail gas drying device are solved.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
the utility model relates to an electric furnace tail gas drying device for zinc production, which comprises a drying cylinder, a first tail gas inlet pipe and a centrifugal assembly, wherein the first tail gas inlet pipe is arranged at the center of the inside of the drying cylinder;
three groups of spray head groups distributed at equal intervals are arranged on the first tail gas inlet pipe, each spray head group comprises an upper layer of spray heads, a middle layer of spray heads and a lower layer of spray heads, and the spray angles of the upper layer of spray heads, the middle layer of spray heads and the lower layer of spray heads are arranged in an increasing mode;
three centrifugal assemblies which are distributed at equal intervals are vertically arranged in the drying cylinder, each centrifugal assembly comprises a material guide hopper and a rotating plate, the material guide hoppers are fixed on the inner wall of the drying cylinder, and the rotating plates are arranged below the material guide hoppers;
and the three centrifugal assemblies rotate through a driving mechanism.
Further, a feed hopper is arranged at one end of the top of the drying cylinder, and a tail gas outlet pipe is arranged at the other end of the top of the drying cylinder.
Furthermore, the top end of the first tail gas inlet pipe penetrates through the top surface of the drying cylinder and is rotatably connected with the bottom of the rotary joint, the top of the rotary joint is fixedly connected with the end of the second tail gas inlet pipe, the first tail gas inlet pipe is supported by a first bearing seat, and the first bearing seat is fixed at the top of the drying cylinder.
Furthermore, a second gear ring is fixed at the bottom of the rotating plate, the bottom of the second gear ring is in sliding fit with the supporting plate, and the supporting plate is also fixed on the inner wall of the drying cylinder.
Furthermore, the driving mechanism comprises a second gear, a transmission shaft, a second bearing seat and a second motor, the transmission shaft is fixedly sleeved with three second gears which are distributed at equal intervals, the second gears are meshed with a second gear ring, the top end of the transmission shaft is rotatably connected with the second bearing seat, and the bottom end of the transmission shaft is fixedly connected with an output shaft of the second motor.
Further, the driving mechanism is arranged in a cavity in the side box body, the second bearing seat and the second motor are fixed in the side box body, and the side box body is fixed on the outer side face of the drying cylinder.
Further, the rotation direction of the first exhaust gas inlet pipe is opposite to the rotation direction of the rotating plate.
The utility model has the following beneficial effects:
1. according to the utility model, the first tail gas inlet pipe is rotatable through the arrangement of the first gear ring and the first gear, so that the rotary type high-temperature tail gas spraying can be realized, the spray head groups comprise the upper, middle and lower layers of spray heads, the spray angles of the upper, middle and lower layers of spray heads are gradually increased, so that the tail gas of the high-temperature electric furnace can be sprayed to each corner of the drying cylinder, no dead angle is generated during drying, the rotating plate is rotatable through the arrangement of the second gear ring and the driving mechanism, the rotating plate and the first tail gas inlet pipe are opposite in rotation, raw materials falling onto the rotating plate through the material guide hopper are gradually scattered under the action of centrifugal force, the raw materials are fully contacted with the tail gas of the high-temperature electric furnace and dried, and the drying effect is greatly improved.
2. According to the utility model, the three centrifugal assemblies are arranged, so that the drying device has a multi-stage drying function, under the action of centrifugal force, raw materials on the rotating plate of the upper-layer centrifugal assembly gradually fall down and fall onto the rotating plate of the lower-layer centrifugal assembly through the material guide hopper, and the raw materials continuously roll in the falling process, so that tail gas of the high-temperature electric furnace can be more fully contacted with the raw materials.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic exterior view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic view of a first exhaust gas inlet pipe connection structure according to the present invention;
fig. 4 is a schematic view of the structure of the rotating plate of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a drying cylinder; 2. a first exhaust gas inlet pipe; 3. a centrifuge assembly; 4. a drive mechanism; 5. a side box body; 11. a feed hopper; 12. a tail gas outlet pipe; 21. a rotary joint; 22. a second tail gas inlet pipe; 23. a first ring gear; 24. a first gear; 25. a first motor; 26. a nozzle group; 27. a first bearing housing; 31. a material guide hopper; 32. rotating the plate; 41. a second gear; 42. a drive shaft; 43. a second bearing housing; 44. a second motor; 321. a second ring gear; 322. and a support plate.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1 and 3, the utility model relates to an electric furnace tail gas drying device for zinc production, which comprises a drying cylinder 1, a first tail gas inlet pipe 2 and a centrifugal assembly 3, wherein one end of the top of the drying cylinder 1 is provided with a feed hopper 11, the other end of the top of the drying cylinder 1 is provided with a tail gas outlet pipe 12, the center of the interior of the drying cylinder 1 is provided with the first tail gas inlet pipe 2, the top end of the first tail gas inlet pipe 2 is fixedly sleeved with a first gear ring 23, the first gear ring 23 is meshed with a first gear 24, the first gear 24 is fixed on an output shaft of a first motor 25, and the first motor 25 is fixed on the top of the drying cylinder 1.
Wherein as shown in fig. 3, the top surface that the top of first tail gas intake pipe 2 passed drying cylinder 1 rotates with rotary joint 21's bottom to be connected, rotary joint 21's top and the tip fixed connection of second tail gas intake pipe 22, first tail gas intake pipe 2 supports through first bearing frame 27, first bearing frame 27 is fixed at drying cylinder 1's top, be provided with three equidistant nozzle groups 26 of distribution of group on the first tail gas intake pipe 2, every nozzle group 26 all includes upper, middle and lower three-layer nozzle, and the spray angle of upper, middle and lower three-layer nozzle increases progressively and sets up.
During specific work, the first motor 25 drives the first gear 24 to rotate, the first gear 24 drives the first gear ring 23 to rotate, the first gear ring 23 drives the first tail gas inlet pipe 2 to rotate, and the first tail gas inlet pipe 2 drives the nozzle group 26 to rotate, so that high-temperature tail gas can be sprayed in a rotary mode.
As shown in fig. 2 and 4, three centrifugal assemblies 3 distributed at equal intervals are vertically arranged inside the drying cylinder 1, each centrifugal assembly 3 includes a material guide hopper 31 and a rotating plate 32, the material guide hopper 31 is fixed on the inner wall of the drying cylinder 1, the rotating plate 32 is arranged below the material guide hopper 31, a second ring gear 321 is fixed at the bottom of the rotating plate 32, the bottom of the second ring gear 321 is in sliding fit with a support plate 322, and the support plate 322 is also fixed on the inner wall of the drying cylinder 1.
As shown in fig. 2 and 4, the three centrifugal assemblies 3 are all rotated by the driving mechanism 4, the rotation direction of the first exhaust gas inlet pipe 2 is opposite to the rotation direction of the rotating plate 32, the driving mechanism 4 includes a second gear 41, a transmission shaft 42, a second bearing seat 43 and a second motor 44, the transmission shaft 42 is fixedly sleeved with the three second gears 41 which are distributed at equal intervals, the second gears 41 are engaged with the second gear ring 321, the top end of the transmission shaft 42 is rotatably connected with the second bearing seat 43, and the bottom end of the transmission shaft 42 is fixedly connected with the output shaft of the second motor 44.
During specific work, the second motor 44 drives the transmission shaft 42 to rotate, the transmission shaft 42 drives the three second gears 41 to rotate, the three second gears 41 respectively drive the respective second gear rings 321 to rotate, the three second gear rings 321 respectively drive the respective rotating plates 32 to rotate, under the action of centrifugal force, raw materials falling onto the rotating plates 32 through the material guide hopper 31 are gradually scattered, fully contacted with tail gas of the high-temperature electric furnace and dried, and gradually fall into the lower-layer centrifugal assembly 3 from the upper-layer centrifugal assembly 3 to be continuously dried.
As shown in fig. 1 and 4, the driving mechanism 4 is disposed in a cavity in the side box 5, the second bearing seat 43 and the second motor 44 are fixed in the side box 5, and the side box 5 is fixed on the outer side surface of the drying cylinder 1.
One specific application of this embodiment is:
when in use, the raw materials are added into the drying cylinder 1 through the feed hopper 11 and fall onto the uppermost rotating plate 32 through the uppermost material guide hopper 31;
tail gas of the high-temperature electric furnace enters the first tail gas inlet pipe 2 through the second tail gas inlet pipe 22, is sprayed out of the spray head group 26, and dries the raw material on the rotating plate 32;
in the drying process, the first motor 25 drives the first tail gas inlet pipe 2 to rotate, so that high-temperature tail gas is sprayed in a rotating mode, the second motor 44 drives the rotating plate 32 to rotate, and under the action of centrifugal force, raw materials on the rotating plate 32 are gradually scattered, fully contacted with tail gas of the high-temperature electric furnace and dried;
the raw material on the rotating plate 32 of the upper layer centrifugal assembly 3 gradually falls down and falls onto the rotating plate 32 of the lower layer centrifugal assembly 3 through the material guide hopper 31, so that three-stage drying is realized.
The above are only preferred embodiments of the present invention, and the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made to the technical solutions described in the above embodiments, and to some of the technical features thereof, are included in the scope of the present invention.
Claims (7)
1. The utility model provides a system zinc is with electric stove tail gas drying device, includes drying cylinder (1), first tail gas intake pipe (2) and centrifugal component (3), its characterized in that: a first tail gas inlet pipe (2) is arranged at the center of the interior of the drying cylinder (1), a first gear ring (23) is fixedly sleeved at the top end of the first tail gas inlet pipe (2), the first gear ring (23) is meshed with a first gear (24), the first gear (24) is fixed on an output shaft of a first motor (25), and the first motor (25) is fixed at the top of the drying cylinder (1);
three groups of spray head groups (26) which are distributed at equal intervals are arranged on the first tail gas inlet pipe (2), each spray head group (26) comprises an upper layer of spray heads, a middle layer of spray heads and a lower layer of spray heads, and the spray angles of the upper layer of spray heads, the middle layer of spray heads and the lower layer of spray heads are arranged in an increasing mode;
the drying cylinder (1) is internally and vertically provided with three centrifugal assemblies (3) which are distributed at equal intervals, each centrifugal assembly (3) comprises a material guide hopper (31) and a rotating plate (32), each material guide hopper (31) is fixed on the inner wall of the drying cylinder (1), and each rotating plate (32) is arranged below each material guide hopper (31);
the three centrifugal assemblies (3) are rotated by a driving mechanism (4).
2. The electric furnace tail gas drying device for zinc production according to claim 1, wherein a feed hopper (11) is arranged at one end of the top of the drying cylinder (1), and a tail gas outlet pipe (12) is arranged at the other end of the top of the drying cylinder (1).
3. The device for drying the tail gas of the electric furnace for zinc production according to claim 1, wherein the top end of the first tail gas inlet pipe (2) penetrates through the top surface of the drying cylinder (1) to be rotatably connected with the bottom of the rotary joint (21), the top of the rotary joint (21) is fixedly connected with the end of the second tail gas inlet pipe (22), the first tail gas inlet pipe (2) is supported by a first bearing seat (27), and the first bearing seat (27) is fixed on the top of the drying cylinder (1).
4. The exhaust gas drying device of the electric furnace for zinc production as set forth in claim 1, wherein a second gear ring (321) is fixed to the bottom of the rotating plate (32), the bottom of the second gear ring (321) is in sliding fit with the support plate (322), and the support plate (322) is also fixed to the inner wall of the drying cylinder (1).
5. The exhaust gas drying device of the electric furnace for zinc production as claimed in claim 4, wherein the driving mechanism (4) comprises a second gear (41), a transmission shaft (42), a second bearing seat (43) and a second motor (44), the transmission shaft (42) is fixedly sleeved with three second gears (41) distributed at equal intervals, the second gears (41) are engaged with a second gear ring (321), the top end of the transmission shaft (42) is rotatably connected with the second bearing seat (43), and the bottom end of the transmission shaft (42) is fixedly connected with an output shaft of the second motor (44).
6. An electric furnace tail gas drying device for zinc production according to claim 5, characterized in that the driving mechanism (4) is arranged in a cavity in the side box body (5), the second bearing seat (43) and the second motor (44) are fixed in the side box body (5), and the side box body (5) is fixed on the outer side surface of the drying cylinder (1).
7. An electric furnace exhaust gas drying device for zinc production according to claim 5, characterized in that the direction of rotation of the first exhaust gas inlet pipe (2) is opposite to the direction of rotation of the rotating plate (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122745552.3U CN216115203U (en) | 2021-11-10 | 2021-11-10 | Electric furnace tail gas drying device for zinc production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122745552.3U CN216115203U (en) | 2021-11-10 | 2021-11-10 | Electric furnace tail gas drying device for zinc production |
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| Publication Number | Publication Date |
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| CN216115203U true CN216115203U (en) | 2022-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122745552.3U Active CN216115203U (en) | 2021-11-10 | 2021-11-10 | Electric furnace tail gas drying device for zinc production |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115773649A (en) * | 2022-12-13 | 2023-03-10 | 四川中科兴业高新材料有限公司 | Continuous drying device of polyphenylene sulfide resin |
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2021
- 2021-11-10 CN CN202122745552.3U patent/CN216115203U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115773649A (en) * | 2022-12-13 | 2023-03-10 | 四川中科兴业高新材料有限公司 | Continuous drying device of polyphenylene sulfide resin |
| CN115773649B (en) * | 2022-12-13 | 2023-10-03 | 四川中科兴业高新材料有限公司 | Continuous drying device of polyphenylene sulfide resin |
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