CN215088716U - Zinc dross recovery plant - Google Patents
Zinc dross recovery plant Download PDFInfo
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- CN215088716U CN215088716U CN202120799418.9U CN202120799418U CN215088716U CN 215088716 U CN215088716 U CN 215088716U CN 202120799418 U CN202120799418 U CN 202120799418U CN 215088716 U CN215088716 U CN 215088716U
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Abstract
The utility model discloses a zinc dross recovery plant, the discharge end that adds the feed bin switches on one-level screening mechanism in proper order, the feed end in first undersize powder transmission device and zinc ash storehouse, and add the feed bin, one-level screening mechanism, form between first undersize powder transmission device and the zinc ash storehouse and fall "Z" style of calligraphy, the feed end of second grade screening mechanism switches on the discharge end of one-level screening mechanism, the discharge end of second grade screening mechanism passes through second undersize powder transmission device switch-on to first undersize powder transmission device simultaneously on, and second grade screening mechanism, form between second undersize powder transmission device and the first undersize powder transmission device and fall "b" style of calligraphy. The utility model discloses a zinc dross recovery plant not only has higher rate of recovery to zinc to shared space has been reduced.
Description
Technical Field
The utility model relates to a zinc dross treatment facility technical field, more specifically the utility model relates to a zinc dross recovery plant that says so.
Background
China is a big country for producing zinc, zinc smelting is mainly obtained by a wet process, a cathode zinc casting process of the process can produce a certain amount of zinc dross, the yield of the dross is about 5 percent of the yield of zinc ingots, the dross contains 80 percent of zinc, and the zinc dross needs to be recovered in order to improve the metal direct yield and increase the economic benefit.
Because the zinc dross contains a composition of sintered metal particles and zinc oxide, and contains particles and dust with different diameters, the zinc dross needs to be screened so as to classify the zinc dross particles with different sizes, the zinc dross can be effectively utilized, and the resource waste can be avoided.
However, some of the conventional zinc dross recovery apparatuses have a low zinc recovery rate, and the apparatuses having a high zinc recovery rate occupy a large space.
Therefore, how to provide a zinc dross recycling device which can not only improve the zinc recycling rate, but also reduce the space occupancy is a problem that needs to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a zinc dross recovery plant not only has higher rate of recovery to zinc to shared space has been reduced.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a zinc dross recycling apparatus, comprising: the device comprises a feeding bin, a primary screening mechanism, a secondary screening mechanism, a first undersize powder conveying device, a zinc ash bin and a second undersize powder conveying device; wherein, add the discharge end in proper order switch-on of feed bin one-level screening mechanism first undersize powder transmission device with the feed end in zinc ash storehouse, just add the feed bin one-level screening mechanism first undersize powder transmission device with form between the zinc ash storehouse and fall "Z" word form, the feed end switch-on of second grade screening mechanism the discharge end of one-level screening mechanism, simultaneously the discharge end of second grade screening mechanism passes through second undersize powder transmission device switch-on extremely on the first undersize powder transmission device, just second grade screening mechanism second undersize powder transmission device with form between the first undersize powder transmission device and fall "b" word form.
Preferably, the method further comprises the following steps: the pulse bag-type dust collector is close to the first undersize powder conveying device.
Preferably, a primary sieve plate is fixed in the feeding bin close to the feeding port of the feeding bin, and the diameter of meshes of the primary sieve plate is 30 mm.
Preferably, the first undersize powder conveying device and the second undersize powder conveying device are both horizontally arranged, and the first undersize powder conveying device and the second undersize powder conveying device are both vibrating conveyors.
Preferably, the primary screening mechanism comprises:
the first vibrating screen is close to the first undersize powder conveying device and is provided with a feeding hole, an oversize material discharging hole and an undersize material discharging hole, the oversize material discharging hole of the first vibrating screen is communicated with the secondary screening mechanism, and the undersize material discharging hole of the first vibrating screen is communicated with the feeding end of the first undersize powder conveying device;
the intermediate bin is fixed at the top end of the first vibrating screen through a support, and a discharge hole of the intermediate bin is communicated with a feed hole of the first vibrating screen;
first bucket elevator, first bucket elevator is located add the feed bin with between the support, just first bucket elevator's feed inlet switch-on add the discharge gate of feed bin, first bucket elevator's discharge gate switch-on the feed inlet of intermediate storage storehouse.
Preferably, a flexible star-shaped ash discharge valve is installed at a discharge hole of the intermediate bin.
Preferably, the discharge end of the first undersize powder conveying device is communicated with the feed inlet of the zinc ash bin through a second bucket elevator.
Preferably, the secondary screening mechanism comprises: the second vibrating screen is provided with a feeding hole, a first oversize material discharging hole, a second oversize material discharging hole and a second undersize material discharging hole, the feeding hole of the spiral conveyor is communicated with the oversize material discharging hole of the first vibrating screen, the discharging hole of the spiral conveyor is sequentially communicated with the feeding holes of the ball mill, the third bucket elevator and the second vibrating screen, the undersize material discharging hole of the second vibrating screen is communicated with the feeding end of the second undersize powder conveying device, and the discharging end of the second undersize powder conveying device is connected to the middle section of the first undersize powder conveying device; and an inverted 'b' -shaped structure is formed among the spiral conveyor, the ball mill, the third bucket elevator, the second vibrating screen, the second undersize powder conveying device and the first undersize powder conveying device.
Preferably, a first sieve plate is arranged in the first vibrating sieve, and the first sieve plate is 80 meshes or 20 meshes.
Preferably, the second vibrating screen is provided with a 120-mesh screen plate and a 60-mesh screen plate.
Can know via foretell technical scheme, compare with prior art, the utility model discloses a zinc dross recovery plant can realize following technological effect:
the utility model discloses successively through twice screening, not only can obtain the multiple screening thing of different particle diameters, can guarantee moreover that the granule in every kind of screening thing is even, consequently can improve the utility model discloses a screening effect to improve the rate of recovery to zinc, simultaneously, the utility model discloses form between reinforced storehouse, one-level screening mechanism, first undersize powder transmission device and the zinc ash storehouse and fall "Z" word form, and form between second grade screening mechanism, second undersize powder transmission device and the first undersize powder transmission device and fall "b" word form, consequently can make the utility model discloses it is compact between a plurality of devices, with reducing the utility model discloses shared space.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a front view of a zinc dross recycling apparatus of the present invention;
FIG. 2 is a side view of the zinc dross recycling apparatus of the present invention;
fig. 3 is a top view of the zinc dross recycling apparatus of the present invention.
Wherein, 1-a feeding bin; 2-a first-level screening mechanism; 3, a secondary screening mechanism; 4-a first undersize powder conveying device; 5-zinc ash bin; 6-pulse bag dust collector; 8-a second undersize powder conveying device; 21-a first vibrating screen; 22-an intermediate bunker; 202-a scaffold; 23-a first bucket elevator; 220-star type ash discharge valve; 7-a second bucket elevator; 31-a screw conveyor; 32-ball mill; 33-a third bucket elevator; 34-second vibrating screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment of the utility model discloses zinc dross recovery plant, include: the device comprises a feeding bin 1, a primary screening mechanism 2, a secondary screening mechanism 3, a first undersize powder conveying device 4, a zinc ash bin 5 and a second undersize powder conveying device 8; wherein, add the feed end of feed bin 1 and switch on one-level screening mechanism 2 in proper order, the feed end in first undersize powder transmission device 4 and zinc ash storehouse 5, and add feed bin 1, one-level screening mechanism 2, form between first undersize powder transmission device 4 and the zinc ash storehouse 5 and fall "Z" style of calligraphy, the feed end of second grade screening mechanism 3 switches on the feed end of one-level screening mechanism 2, the discharge end of second grade screening mechanism 3 simultaneously switches on to first undersize powder transmission device 4 middle section through second undersize powder transmission device 8, and second grade screening mechanism 3, form between second undersize powder transmission device 8 and the first undersize powder transmission device 4 and fall "b" style of calligraphy.
The utility model discloses successively through twice screening, not only can obtain the multiple screening thing of different particle diameters, can guarantee moreover that the granule in every kind of screening thing is even, consequently can improve the utility model discloses a screening effect to improve the rate of recovery to zinc, simultaneously, the utility model discloses form between reinforced storehouse 1, one-level screening mechanism 2, first undersize powder transmission device 4 and the zinc ash storehouse 5 and fall "Z" word form, and form between second grade screening mechanism 3, second undersize powder transmission device 8 and the first undersize powder transmission device 4 and fall "b" word form, consequently can make the utility model discloses in compact between a plurality of devices, in order to reduce the utility model discloses shared space.
In order to further optimize the above technical solution, the method further comprises: and the pulse bag-type dust collector 6 is close to the first undersize powder conveying device 4.
The utility model discloses a zinc dust that in-process production such as reinforced, screening and ball-milling can be collected to pulse sack cleaner 6, and make with returning zinc concentrate storehouse or zinc powder to the regular clearance of zinc dust that gets off.
In order to further optimize the technical scheme, a primary sieve plate is fixed in the feeding bin 1 close to the feeding port of the feeding bin, and the diameter of meshes of the primary sieve plate is 30 mm.
The utility model discloses a founding ingot casting is sent to the great bright zinc that the manual work left on with elementary sieve, and falls into with the feed bin 1 by the zinc dross under the elementary sieve to as the screening raw materials of one-level screening mechanism 2.
In order to further optimize the above technical scheme, first undersize powder transmission device 4 and second undersize powder transmission device 8 are all placed horizontally, and first undersize powder transmission device 4 and second undersize powder transmission device 8 are vibrating conveyor.
The utility model discloses a first undersize powder transmission device 4 and 8 levels of second undersize powder transmission device are placed the level and are placed, avoid the material of carrying on it to drop in transportation process, and the utility model discloses a first undersize powder transmission device 4 and second undersize powder transmission device 8 are vibrating conveyer, then in the multiple spot feeding, realize the remote even feed that the feed inlet and outlet is not at the coplanar.
In order to further optimize the above technical solution, the primary screening mechanism 2 includes:
the first vibrating screen 21 is close to the first undersize powder conveying device 4, the first vibrating screen 21 is provided with a feeding hole, an oversize material discharging hole and an undersize material discharging hole, the oversize material discharging hole of the first vibrating screen 21 is communicated with the secondary screening mechanism 3, and the undersize material discharging hole of the first vibrating screen 21 is communicated with the feeding end of the first undersize powder conveying device 4;
the intermediate bin 22 is fixed at the top end of the first vibrating screen 21 through a support 202, and a discharge hole of the intermediate bin 22 is communicated with a feed hole of the first vibrating screen 21;
the first bucket elevator 23, the first bucket elevator 23 is located between the loading bin 1 and the support 202, and the feed inlet of the first bucket elevator 23 is communicated with the discharge outlet of the loading bin 1, and the discharge outlet of the first bucket elevator 23 is communicated with the feed inlet of the intermediate bin 22.
In order to further optimize the technical scheme, a flexible star-shaped ash discharge valve 220 is arranged at the discharge hole of the intermediate storage bin 22.
The utility model improves the uniformity of zinc scum conveyed by the first bucket elevator 23 entering the first vibrating screen 21 when the first bucket elevator 23 and the first vibrating screen 21 pass through the intermediate bin 22, thereby improving the screening effect of the utility model; and, the utility model discloses each structure adopts above-mentioned position relation among the one-level screening mechanism 2, not only makes compact structure, practices thrift area moreover.
In order to further optimize the technical scheme, a flexible star-shaped ash discharge valve 220 is arranged at the discharge hole of the intermediate storage bin 22.
The utility model discloses a star type unloading valve 220 can control zinc dross and get into the flow of first shale shaker 21 from the discharge gate of middle feed bin 22, consequently can further improve the homogeneity that zinc dross got into first shale shaker 21, thereby can further improve the utility model discloses a screening effect.
In order to further optimize the technical scheme, the discharge end of the first undersize powder conveying device 4 is communicated with the feed inlet of the zinc ash bin 5 through a second bucket elevator 7.
The utility model discloses a second bucket elevator 7 can send into the undersize thing that the one-level screening mechanism 2 of conveying goes up first undersize powder transmission device 4 produced to zinc ash storehouse 5 and preserve to finally can send into the zinc powder of preserving in zinc ash storehouse 5 to zinc concentrate storehouse or sell outward, or return the calcination workshop.
In order to further optimize the above technical solution, the secondary screening mechanism 3 includes: the device comprises a spiral conveyor 31, a ball mill 32, a third bucket elevator 33 and a second vibrating screen 34, wherein the second vibrating screen 34 is provided with a feeding hole, a first oversize material discharging hole, a second oversize material discharging hole and a undersize material discharging hole, the feeding hole of the spiral conveyor 31 is communicated with the oversize material discharging hole of the first vibrating screen 21, the discharging hole of the spiral conveyor 31 is sequentially communicated with the feeding holes of the ball mill 32, the third bucket elevator 33 and the second vibrating screen 34, the undersize material discharging hole of the second vibrating screen 34 is communicated with the feeding end of a second undersize powder conveying device 8, and the discharging end of the second undersize powder conveying device 8 is connected to the middle section of the first undersize powder conveying device 4; an inverted 'b' shape is formed among the screw conveyor 31, the ball mill 32, the third bucket elevator 33, the second vibrating screen 34, the second undersize powder conveying device 8 and the first undersize powder conveying device 4.
The utility model transmits the oversize material of the first vibrating screen 21 to the ball mill 32 and then to the second vibrating screen 34 through the screw conveyer 31, so that the ball mill 32 can separate the sintered metal particles from the zinc oxide, then the coarse zinc particles, the fine zinc particles, namely zinc oxide, zinc chloride and zinc powder can be obtained after the screening by a second vibrating screen 34, coarse zinc particles are discharged from a discharge port of the first oversize product and packed into bags for export sales, fine zinc particles, namely zinc oxide and zinc chloride are discharged from a discharge port of the second oversize product, so as to return to the electric furnace, the zinc powder is discharged from the screen underflow discharge port to the second screen underflow conveying device 8, then the second screen underflow conveying device 8 conveys the zinc powder to the first screen underflow conveying device 4, so that the first undersize powder conveying device 4 can convey the zinc powder obtained in the secondary screening mechanism and the zinc powder obtained in the primary screening mechanism to the zinc ash bin 5 together.
In order to further optimize the above technical solution, a first sieve plate is installed in the first vibrating sieve 21, and the first sieve plate is 80 meshes or 20 meshes.
In order to further optimize the technical scheme, a 120-mesh sieve plate and a 60-mesh sieve plate are respectively arranged in the second vibrating sieve.
Example 1:
the embodiment of the utility model discloses zinc dross recovery plant, its process is:
after being treated by a slag smashing machine, hot zinc dross in the casting process is placed in a dross material area for natural cooling, when the temperature is lower than 60 ℃, a hopper loaded with the zinc dross is lifted by a crane, and the zinc dross is discharged into a charging bin 1;
the zinc dross is primarily separated in the feeding bin 1: the metal bright zinc blocks on the primary sieve plate are manually selected and returned to a casting electric furnace to be directly cast into zinc ingots, and zinc dross (small-particle metal zinc, zinc oxide sinter and zinc dust) screened by the primary sieve plate falls into a feeding bin 1 so as to be used as screening raw materials of a primary screening mechanism 2;
the first bucket elevator 23 conveys zinc dross in the feeding bin 1 to the intermediate bin 22, the intermediate bin 2 conveys the zinc dross to the first vibrating screen 21, and the star-shaped ash discharge valve 220 can control the flow of the zinc dross entering the first vibrating screen 21 from the discharge hole of the intermediate bin 22, so that the uniformity of the zinc dross entering the first vibrating screen 21 can be further improved, and the screening effect of the utility model can be further improved;
the first-stage undersize of the first vibrating screen 21 falls onto the first undersize powder conveying device 4 through a discharge hole of the undersize, the first undersize powder conveying device 4 conveys the first-stage undersize of the first vibrating screen 21 to the zinc ash bin 5, and then the second bucket elevator 7 conveys the undersize generated by the first vibrating screen 21 conveyed on the first undersize powder conveying device 4 to the zinc ash bin 5 for storage, so that the zinc powder stored in the zinc ash bin 5 can be finally conveyed to a zinc concentrate bin or an external pin, or returned to a roasting workshop;
and the oversize material of the first vibrating screen 21 is conveyed to the ball mill 32 through the screw conveyer 31 and then conveyed to the second vibrating screen 34, so that the ball mill 32 can separate the sintered metal particles from the zinc oxide, then the coarse zinc particles, the fine zinc particles, namely zinc oxide, zinc chloride and zinc powder can be obtained after the screening by a second vibrating screen 34, coarse zinc particles are discharged from a discharge port of the first oversize product and packed into bags for export sales, fine zinc particles, namely zinc oxide and zinc chloride are discharged from a discharge port of the second oversize product, so as to return to the electric furnace, the zinc powder is discharged from the screen underflow discharge port to the second screen underflow conveying device 8, then the second screen underflow conveying device 8 conveys the zinc powder to the first screen underflow conveying device 4, so that the first undersize powder conveying device 4 can convey the zinc powder obtained in the secondary screening mechanism and the zinc powder obtained in the primary screening mechanism to the zinc ash bin 5 together.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A zinc dross recovery apparatus, comprising: the device comprises a feeding bin (1), a primary screening mechanism (2), a secondary screening mechanism (3), a first undersize powder conveying device (4), a zinc ash bin (5) and a second undersize powder conveying device (8); wherein, the discharge end that adds feed bin (1) switches on in proper order one-level screening mechanism (2) first undersize powder transmission device (4) with the feed end in zinc ash storehouse (5), just add feed bin (1) one-level screening mechanism (2) first undersize powder transmission device (4) with form between zinc ash storehouse (5) and fall "Z" word form, the feed end switch-on of second grade screening mechanism (3) the discharge end of one-level screening mechanism (2), simultaneously the discharge end of second grade screening mechanism (3) switches on through second undersize powder transmission device (8) extremely on first undersize powder transmission device (4), just second grade screening mechanism (3) second undersize powder transmission device (8) with form between the first undersize powder transmission device (4) and fall "b" word form.
2. The zinc dross recycling apparatus of claim 1, further comprising: the pulse bag dust collector (6), pulse bag dust collector (6) are close to first undersize powder transmission device (4).
3. The zinc dross recycling apparatus of claim 1, wherein a primary screen is fixed in the charging bin (1) near the inlet, and the diameter of the mesh of the primary screen is 30 mm.
4. The zinc dross recycling apparatus of claim 1, wherein the first undersize conveyor (4) and the second undersize conveyor (8) are both horizontally disposed, and wherein the first undersize conveyor (4) and the second undersize conveyor (8) are both vibrating conveyors.
5. The zinc dross recycling apparatus of claim 4, wherein the primary screening mechanism (2) comprises:
the first vibrating screen (21), the first vibrating screen (21) is close to the first undersize powder conveying device (4), the first vibrating screen (21) is provided with a feeding hole, an oversize material discharging hole and an undersize material discharging hole, the oversize material discharging hole of the first vibrating screen (21) is communicated with the secondary screening mechanism (3), and the undersize material discharging hole of the first vibrating screen (21) is communicated with the feeding end of the first undersize powder conveying device (4);
the middle bin (22), the middle bin (22) is fixed at the top end of the first vibrating screen (21) through a support (202), and a discharge hole of the middle bin (22) is communicated with a feed hole of the first vibrating screen (21);
first bucket elevator (23), first bucket elevator (23) are located add feed bin (1) with between support (202), just the feed inlet switch-on of first bucket elevator (23) add the discharge gate of feed bin (1), the discharge gate switch-on of first bucket elevator (23) the feed inlet of intermediate bin (22).
6. The zinc dross recycling apparatus of claim 5, wherein the discharge port of the intermediate bin (22) is fitted with a flexible star-shaped dump valve (220).
7. The zinc dross recycling apparatus according to claim 4, wherein the discharge end of the first undersize conveyer (4) is connected to the feed inlet of the zinc ash bin (5) by a second bucket elevator (7).
8. The zinc dross recycling apparatus of claim 5, wherein the secondary screening mechanism (3) comprises: the device comprises a spiral conveyor (31), a ball mill (32), a third bucket elevator (33) and a second vibrating screen (34), wherein the second vibrating screen (34) is provided with a feeding hole, a first oversize material discharging hole, a second oversize material discharging hole and a undersize material discharging hole, the feeding hole of the spiral conveyor (31) is communicated with the oversize material discharging hole of the first vibrating screen (21), the discharging hole of the spiral conveyor (31) is sequentially communicated with the ball mill (32), the third bucket elevator (33) and the feeding holes of the second vibrating screen (34), the undersize material discharging hole of the second vibrating screen (34) is communicated with the feeding end of the second undersize powder conveying device (8), and the discharging end of the second undersize powder conveying device (8) is connected to the middle section of the first undersize powder conveying device (4); the spiral conveyor (31), the ball mill (32), the third bucket elevator (33), the second vibrating screen (34), the second undersize powder conveying device (8) and the first undersize powder conveying device (4) form an inverted 'b' shape.
9. The zinc dross recycling apparatus of claim 5, wherein the first vibrating screen (21) has a first screen plate mounted therein, and the first screen plate is 80 mesh or 20 mesh.
10. The zinc dross recycling apparatus of claim 8, wherein the second vibrating screen is provided with 120 mesh screen plates and 60 mesh screen plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120799418.9U CN215088716U (en) | 2021-04-19 | 2021-04-19 | Zinc dross recovery plant |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120799418.9U CN215088716U (en) | 2021-04-19 | 2021-04-19 | Zinc dross recovery plant |
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| CN215088716U true CN215088716U (en) | 2021-12-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL442304A1 (en) * | 2022-09-16 | 2024-03-18 | Oksymet Spółka Z Ograniczoną Odpowiedzialnością Spółka Jawna | Method of recovering zinc from galvanizing ashes generated in the hot-dip galvanizing process |
-
2021
- 2021-04-19 CN CN202120799418.9U patent/CN215088716U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL442304A1 (en) * | 2022-09-16 | 2024-03-18 | Oksymet Spółka Z Ograniczoną Odpowiedzialnością Spółka Jawna | Method of recovering zinc from galvanizing ashes generated in the hot-dip galvanizing process |
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