CN214830582U - Gravity settling device for recycling zinc powder - Google Patents
Gravity settling device for recycling zinc powder Download PDFInfo
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- CN214830582U CN214830582U CN202121365729.0U CN202121365729U CN214830582U CN 214830582 U CN214830582 U CN 214830582U CN 202121365729 U CN202121365729 U CN 202121365729U CN 214830582 U CN214830582 U CN 214830582U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Abstract
The utility model discloses a gravity settling device for retrieving zinc powder, including one-level settling cask and second grade settling cask, the one-level settling cask includes casing and baffle, the casing top of baffle one side is provided with the intake pipe, the casing upper portion of opposite side is provided with the outlet duct, the second grade settling cask includes the roof, barrel and back taper, the slope is provided with the baffle in the barrel, be provided with the U-shaped pipe on the lateral wall of barrel, the vertical pivot that is provided with in the barrel of baffle top, the circumference equipartition has a plurality of frames and interception net in the pivot, be provided with support ring and plectane in the barrel of baffle below, the below of plectane is provided with the inner tube, the polylith baffling board has been arranged in the inside of inner tube in a staggered way from top to bottom, be provided with the spiral guide plate between inner tube and the barrel, the inboard of spiral guide plate is fixed on the outer wall of inner tube, the slope of outside is arranged downwards. The utility model discloses rational in infrastructure, convenient operation, the zinc powder rate of recovery is high, has apparent economic value and social value.
Description
Technical Field
The utility model relates to a zinc metallurgy equipment technical field, concretely relates to gravity settling device for retrieving zinc powder.
Background
The electric furnace zinc smelting uses electric energy as a heat source, under the condition of the existence of reducing agents such as coke or coal, the furnace burden is directly heated, so that zinc oxide in the furnace burden is continuously reduced into zinc vapor and condensed into metal zinc, the condenser cannot completely collect the zinc powder due to smaller zinc powder particles formed by condensation of the zinc vapor, and the zinc-containing flue gas is required to be treated subsequently to recover the zinc powder in the flue gas. At present, equipment such as a gravity settling chamber and a cloth bag dust removal device are used for processing, the traditional gravity settling chamber is used for separating zinc powder particles from gas by utilizing the fact that after zinc-containing flue gas enters the gravity settling chamber, the flow sectional area is enlarged, the flow velocity is reduced, and the zinc powder particles contained in the flue gas are slowly settled downwards under the action of gravity, so that the zinc powder particles are separated from the gas, but the problems of unreasonable structure, low zinc powder recovery rate and the like exist, and the problems of zinc powder waste, environmental pollution and the like are caused because the zinc powder in the flue gas cannot be well recovered. Therefore, it is objectively needed to develop a gravity settling device for recovering zinc powder, which has a reasonable structure, is convenient to operate, and has a high zinc powder recovery rate.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a rational in infrastructure, convenient operation, the zinc powder rate of recovery is high is used for retrieving the gravity settling device of zinc powder.
The utility model aims at realizing like this, including the one-level settling cask and the second grade settling cask that set up side by side, the one-level settling cask includes casing and the baffle of vertical setting in the casing, and the top in the casing is fixed to the upper end of baffle, and the lower extreme is unsettled to be arranged, and the casing top of baffle one side is provided with the intake pipe, and the casing upper portion of opposite side is provided with the outlet duct, and the bottom of casing is provided with first ash pipe.
The secondary sedimentation tank comprises a top plate, a barrel and an inverted cone which are sequentially arranged from top to bottom, an exhaust pipe is arranged on the top plate, a second ash discharge pipe is arranged at the bottom of the inverted cone, a partition plate is obliquely arranged in the barrel, a third ash discharge pipe is arranged on the side wall of the barrel above the lower end of the partition plate, a U-shaped pipe is arranged on the side wall of the barrel, two ends of the U-shaped pipe are respectively communicated with the interiors of the barrel above and below the partition plate, a rotating shaft is vertically arranged in the barrel above the partition plate and is positioned on the vertical center line of the barrel, a plurality of frames are uniformly distributed on the circumference of the rotating shaft, an intercepting net is arranged in each frame, the upper end of the rotating shaft penetrates through the top plate and is connected with a driving device in a transmission mode, a support ring is arranged in the barrel below the partition plate and is provided with a circular plate, the support ring is connected with the circular plate through bolts and nuts, an inner barrel is arranged below the circular plate, and a flat plate is arranged at the upper end of the inner barrel, dull and stereotyped center department is provided with the trachea, the center department processing of plectane has the through-hole, it fixes in the through-hole to go up tracheal upper end, the inside crisscross polylith baffling board of having arranged from top to bottom of inner tube, the outside of every baffling board is fixed on the inner tube, the inboard slope is downward and unsettled arranging, be provided with the spiral guide plate between inner tube and the barrel, the inboard of spiral guide plate is fixed on the outer wall of inner tube, the outside slope is downward arranged, and leave the ash falling clearance between the outside of spiral guide plate and the inner wall of barrel, the tip of outlet duct and the barrel intercommunication of support ring below.
Further, the cylinder body is connected with the top plate through a flange.
Furthermore, a flexible sealing gasket is arranged between the support ring and the circular plate.
Furthermore, a spring is arranged on the bolt between the nut and the support ring, and a vibrating machine is installed on the circular plate.
Furthermore, the inner cylinder is of a conical structure with a large upper port and a small lower port.
Furthermore, a filter screen is arranged in the upper air pipe.
Furthermore, the lower part of the inner cylinder is provided with an ash blocking cover which is a cone with a tip part facing upwards and an opening end facing downwards, and the top of the ash blocking cover is fixedly connected with the lower end of the inner cylinder through a connecting rod.
Further, the lower ends of the first ash discharge pipe and the second ash discharge pipe are connected with a screw conveyer.
When the utility model is operated, the zinc-containing smoke enters the shell of the first-level settling tank from the air inlet pipe, meanwhile, because the baffle forms a curve channel from top to bottom and then from bottom to top in the shell of the first-level settling tank, in the process that the zinc-containing smoke flows along the curve channel, zinc powder in the zinc-containing smoke can subside under the action of gravity and is discharged from the first ash discharge pipe, thereby zinc powder in partial smoke is recovered, and the residual smoke still containing certain zinc powder enters the second-level settling tank through the air outlet pipe, after the smoke enters the second-level settling tank, the smoke spirally flows downwards in the annular space between the inner cylinder and the cylinder under the flow guiding action of the spiral flow guide plate, in the process, partial zinc powder in the smoke can be thrown around and moves downwards along the inner wall of the cylinder, and falls into the inverted cone after the ash falling gap, the smoke turns to flow upwards from the inner cylinder after flowing through the spiral guide plate, and the flow direction is changed for many times under the blocking action of the baffle plates, the smoke continuously rises in a zigzag way in the inner cylinder and collides with the baffle plate, zinc powder in the smoke is separated again and falls into the inverted cone, the last smoke enters the cylinder above the partition plate along the U-shaped pipe, at the moment, the frame and the interception net are driven by the rotating shaft to rotate ceaselessly, the interception net is in continuous contact with zinc powder in the flue gas in the rotating process, and the zinc-containing flue gas is adhered to the interception net, finally falls down under the action of gravity, and is discharged from the third ash discharge pipe after sliding along the partition plate, in conclusion, after being sequentially treated by a plurality of steps, can be comparatively thorough isolate the zinc powder in the flue gas, the rate of recovery of zinc powder is higher, and the structure is comparatively compact, and the operation is comparatively convenient. The utility model discloses rational in infrastructure, convenient operation, the zinc powder rate of recovery is high, has apparent economic value and social value.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of node A in FIG. 1;
in the figure: 1-shell, 2-baffle, 3-inlet pipe, 4-outlet pipe, 5-first ash discharge pipe, 6-top plate, 7-barrel, 8-inverted cone, 9-exhaust pipe, 10-second ash discharge pipe, 11-baffle, 12-third ash discharge pipe, 13-U-shaped pipe, 14-rotating shaft, 15-frame, 16-interception net, 17-driving device, 18-supporting ring, 19-round plate, 20-inner barrel, 21-flat plate, 22-upper air pipe, 23-baffle, 24-spiral guide plate, 25-ash falling gap, 26-flange, 27-flexible sealing gasket, 28-spring, 29-bolt, 30-nut, 31-vibrator, 32-filter screen, 33-ash blocking cover, 34-screw conveyor.
Detailed Description
The present invention will be further described with reference to the accompanying drawings, but the present invention is not limited in any way, and any changes or improvements based on the present invention are all within the protection scope of the present invention.
As shown in fig. 1-2, the utility model discloses a one-level settling cask and second grade settling cask that set up side by side, one-level settling cask include casing 1 and vertical setting baffle 2 in casing 1, and the top in casing 1 is fixed to the upper end of baffle 2, and the lower extreme is unsettled to be arranged, and 1 top of casing of 2 one sides of baffle is provided with intake pipe 3, and 1 upper portion of casing of opposite side is provided with outlet duct 4, and the bottom of casing 1 is provided with first ash pipe 5.
The secondary sedimentation tank comprises a top plate 6, a cylinder 7 and an inverted cone 8 which are sequentially arranged from top to bottom, an exhaust pipe 9 is arranged on the top plate 6, a second ash discharge pipe 10 is arranged at the bottom of the inverted cone 8, a partition plate 11 is obliquely arranged in the cylinder 7, a third ash discharge pipe 12 is arranged on the side wall of the cylinder 7 above the lower end of the partition plate 11, a U-shaped pipe 13 is arranged on the side wall of the cylinder 7, two ends of the U-shaped pipe 13 are respectively communicated with the insides of the cylinder 7 above and below the partition plate 11, a rotating shaft 14 is vertically arranged in the cylinder 7 above the partition plate 11, the rotating shaft 14 is positioned on the vertical center line of the cylinder 7, a plurality of frames 15 are uniformly distributed on the circumference of the rotating shaft 14, an intercepting net 16 is arranged in each frame 15, the upper end of the rotating shaft 14 penetrates through the top plate 6 and is connected with a driving device 17 in a transmission manner, the driving device 17 is an existing device and comprises a motor, a speed reducer and the like and is used for driving the rotating shaft 14 to rotate so as to drive the frames 15 and the intercepting net 16 to rotate together, a supporting ring 18 is arranged in the cylinder 7 below the partition plate 11, a circular plate 19 is arranged on the supporting ring 18, the supporting ring 18 is connected with the circular plate 19 through a bolt 29 and a nut 30, an inner cylinder 20 is arranged below the circular plate 19, a flat plate 21 is arranged at the upper end of the inner cylinder 20, an upper air pipe 22 is arranged at the center of the flat plate 21, a through hole is processed at the center of the circular plate 19, the upper end of the upper air pipe 22 is fixed in the through hole, a plurality of baffle plates 23 are staggered up and down in the inner cylinder 20, the outer side of each baffle plate 23 is fixed on the inner cylinder 20, the inner side is obliquely arranged downwards and is suspended, a spiral guide plate 24 is arranged between the inner cylinder 20 and the cylinder 7, the inner side of the spiral guide plate 24 is fixed on the outer wall of the inner cylinder 20, and the outer side is obliquely arranged downwards, and a dust falling gap 25 is reserved between the outer side of the spiral guide plate 24 and the inner wall of the cylinder 7, and the end part of the air outlet pipe 4 is communicated with the cylinder 7 below the support ring 18.
When the utility model is operated, the zinc-containing smoke enters the shell 1 of the primary settling tank from the air inlet pipe 3, meanwhile, because the baffle 2 forms a curve channel from top to bottom and from bottom to top in the shell 1 of the primary settling tank, the zinc powder in the zinc-containing smoke can settle down under the action of gravity and is discharged from the first ash discharge pipe 5, thereby recovering the zinc powder in partial smoke, and the residual smoke still containing certain zinc powder enters the secondary settling tank through the air outlet pipe 4, after the smoke enters the secondary settling tank, under the flow guiding action of the spiral flow guiding plate 24, the smoke spirally flows downwards in the annular space between the inner barrel 20 and the barrel 7, in the process, partial zinc powder in the smoke can be thrown around, and moves downwards along the inner wall of the barrel 7, and falls into the inverted cone 8 after passing through the ash falling gap 25, after the smoke flows through the spiral guide plate 24, the smoke turns to flow upwards from the inside of the inner cylinder 20, the flow direction of the smoke is changed for many times under the blocking action of the baffle plates 23, the smoke continuously meanders and rises in the inner cylinder 20 and collides with the baffle plates 23, zinc powder in the smoke is separated again and falls into the inverted cone 8, the last smoke enters the cylinder 7 above the baffle plate 11 along the U-shaped pipe 13, at the moment, the frame 15 and the interception net 16 rotate ceaselessly under the drive of the rotating shaft 14, the interception net 16 continuously contacts with the zinc powder in the smoke in the rotating process and adheres to the interception net 16, finally falls under the gravity action, and is discharged from the third ash discharge pipe 12 after sliding along the baffle plate 11, in conclusion, after the smoke containing zinc is sequentially treated by a plurality of steps, the zinc powder in the smoke can be completely separated, the recovery rate of the zinc powder is high, and the structure is more compact, and the operation is more convenient.
In order to facilitate the disassembly and the maintenance of the device, the cylinder body 7 is connected with the top plate 6 through the flange 26, when the zinc powder on the interception net 16 is excessive, the flange 26 can be loosened, the top plate 6 is completely moved out of the cylinder body 7, and the interception net 16 is convenient to clean or replace.
A flexible sealing gasket 27 is arranged between the supporting ring 18 and the circular plate 19, the flexible sealing gasket 27 can improve the sealing performance between the supporting ring 18 and the circular plate 19 and prevent smoke containing zinc from directly escaping from the space between the supporting ring 18 and the circular plate 19, and secondly, the supporting ring 18 and the circular plate 19 can be separated to prevent direct contact between the supporting ring 18 and the circular plate 19, reduce friction and prolong the service life.
When the device runs, some zinc powder can be accumulated on the baffle plate 23 and the spiral guide plate 24 along with the extension of running time, so that the normal operation of the device is influenced, the spring 28 is arranged on the bolt 29 between the nut 30 and the support ring 18, the vibrator 31 is arranged on the circular plate 19 and is an existing device, the vibration can be generated, the vibration can be transmitted to the flat plate 21 and the inner cylinder 20 through the circular plate 19 and the upper air pipe 22 and finally transmitted to the baffle plate 23 and the spiral guide plate 24, the zinc powder accumulated on the baffle plate 23 and the spiral guide plate 24 is vibrated down, so that the normal operation of the device is ensured, but the vibration can generate adverse factors to the whole device, so that the vibrator 31 can be opened intermittently at regular time, and meanwhile, the influence of the vibration on external parts such as the cylinder 7 and the like can be reduced through the arrangement of the spring 28.
The inner barrel 20 is a conical structure with a large upper port and a small lower port, when the device is operated, smoke flows upwards from the lower end of the inner barrel 20, the inner barrel 20 with the large upper port and the small lower port can reduce the flow speed due to the increase of the volume of the inner barrel 20 when the smoke flows upwards, and therefore the zinc powder sedimentation efficiency in the smoke is improved.
Be provided with filter screen 32 in last trachea 22, through filter screen 32's setting, can block the passing through of zinc powder in the flue gas, further improve the rate of recovery of zinc powder.
In order to facilitate the collection and discharge of zinc powder, the lower ends of the first ash discharge pipe 5 and the second ash discharge pipe 10 are connected with a screw conveyor 34, and the screw conveyor 34 is an existing device and used for conveying zinc powder and can be purchased on the market as required.
Claims (8)
1. The utility model provides a gravity subsides device for retrieving zinc powder which characterized in that: the device comprises a primary settling tank and a secondary settling tank which are arranged side by side, wherein the primary settling tank comprises a shell (1) and a baffle (2) vertically arranged in the shell (1), the upper end of the baffle (2) is fixed at the top in the shell (1), the lower end of the baffle is arranged in a suspended manner, an air inlet pipe (3) is arranged at the top of the shell (1) on one side of the baffle (2), an air outlet pipe (4) is arranged at the upper part of the shell (1) on the other side of the baffle, and a first ash discharge pipe (5) is arranged at the bottom of the shell (1);
the secondary sedimentation tank comprises a top plate (6), a barrel body (7) and an inverted cone (8) which are sequentially arranged from top to bottom, an exhaust pipe (9) is arranged on the top plate (6), a second ash discharge pipe (10) is arranged at the bottom of the inverted cone (8), a partition plate (11) is obliquely arranged in the barrel body (7), a third ash discharge pipe (12) is arranged on the side wall of the barrel body (7) above the lower end of the partition plate (11), a U-shaped pipe (13) is arranged on the side wall of the barrel body (7), two ends of the U-shaped pipe (13) are respectively communicated with the insides of the barrel body (7) above and below the partition plate (11), a rotating shaft (14) is vertically arranged in the barrel body (7) above the partition plate (11), the rotating shaft (14) is positioned on the vertical center line of the barrel body (7), a plurality of frames (15) are uniformly distributed on the circumference of the rotating shaft (14), and an intercepting net (16) is arranged in each frame (15), the upper end of the rotating shaft (14) penetrates through the top plate (6) and then is connected with a driving device (17) in a transmission manner, a supporting ring (18) is arranged in the cylinder body (7) below the partition plate (11), a circular plate (19) is arranged on the supporting ring (18), the supporting ring (18) is connected with the circular plate (19) through a bolt (29) and a nut (30), an inner cylinder (20) is arranged below the circular plate (19), a flat plate (21) is arranged at the upper end of the inner cylinder (20), an upper air pipe (22) is arranged at the center of the flat plate (21), a through hole is processed at the center of the circular plate (19), the upper end of the upper air pipe (22) is fixed in the through hole, a plurality of baffle plates (23) are arranged in an up-and-down staggered manner in the inner cylinder (20), the outer side of each baffle plate (23) is fixed on the inner cylinder (20), the inner side is obliquely arranged downwards and is suspended, and a spiral baffle plate (24) is arranged between the inner cylinder body (7), the inner side of the spiral guide plate (24) is fixed on the outer wall of the inner cylinder (20), the outer side of the spiral guide plate is obliquely and downwards arranged, a dust falling gap (25) is reserved between the outer side of the spiral guide plate (24) and the inner wall of the cylinder body (7), and the end part of the air outlet pipe (4) is communicated with the cylinder body (7) below the support ring (18).
2. The gravity settling device for recycling zinc powder as claimed in claim 1, wherein the barrel (7) is connected with the top plate (6) through a flange (26).
3. The gravity settling device for recycling zinc dust according to claim 1, characterized in that a flexible sealing gasket (27) is arranged between the support ring (18) and the circular plate (19).
4. The gravity settling device for recycling zinc dust according to claim 1, characterized in that a spring (28) is arranged on a bolt (29) between the nut (30) and the support ring (18), and a vibrator (31) is arranged on the circular plate (19).
5. The gravity settling device for recycling zinc powder as defined in claim 1, wherein the inner barrel (20) has a tapered structure with a larger upper port and a smaller lower port.
6. The gravity settling device for recycling zinc dust as defined in claim 1, wherein a screen (32) is provided in said upper air pipe (22).
7. The gravity settling device for recycling zinc powder as claimed in claim 1, wherein an ash blocking cover (33) is arranged below the inner cylinder (20), the ash blocking cover (33) is a cone with a tip part facing upwards and an open end facing downwards, and the top of the ash blocking cover (33) is fixedly connected with the lower end of the inner cylinder (20) through a connecting rod.
8. The gravity settling device for recycling zinc dust as defined in claim 1, wherein the lower ends of the first ash discharge pipe (5) and the second ash discharge pipe (10) are connected with a screw conveyor (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121365729.0U CN214830582U (en) | 2021-06-20 | 2021-06-20 | Gravity settling device for recycling zinc powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121365729.0U CN214830582U (en) | 2021-06-20 | 2021-06-20 | Gravity settling device for recycling zinc powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214830582U true CN214830582U (en) | 2021-11-23 |
Family
ID=78808510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121365729.0U Active CN214830582U (en) | 2021-06-20 | 2021-06-20 | Gravity settling device for recycling zinc powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214830582U (en) |
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2021
- 2021-06-20 CN CN202121365729.0U patent/CN214830582U/en active Active
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