CN216688260U - Continuous leaching pickling equipment - Google Patents
Continuous leaching pickling equipment Download PDFInfo
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- CN216688260U CN216688260U CN202123030470.7U CN202123030470U CN216688260U CN 216688260 U CN216688260 U CN 216688260U CN 202123030470 U CN202123030470 U CN 202123030470U CN 216688260 U CN216688260 U CN 216688260U
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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 continuous leaching pickling equipment, belonging to the technical field of hazardous waste treatment; it includes: the method comprises the following steps: the device comprises a horizontal washing kettle, and a transmission assembly, a sludge driving assembly and an acid liquor driving assembly which are arranged in the horizontal washing kettle; the driving component comprises a driving piece and a transmission shaft, the transmission shaft is rotationally connected with the horizontal washing kettle, and the driving piece is rotationally connected with the transmission shaft and is used for driving the transmission shaft to rotate; the sludge driving assembly comprises a plurality of stirring paddle wheels and a sludge bucket, the stirring paddle wheels are rotationally connected with the transmission shaft, the periphery of each stirring paddle wheel is connected with the sludge bucket, the sludge bucket is obliquely arranged relative to the stirring paddle wheels, and the sludge bucket can stir the sludge and push the sludge to horizontally move; the acid liquor driving assembly comprises a plurality of driving paddles, the driving paddles are rotatably connected with the transmission shaft, and the driving paddles can drive the acid liquor to move in the opposite direction relative to the horizontal movement of the sludge. The utility model can realize the countercurrent washing of the sludge, and has high washing efficiency, high metal extraction rate and less resource waste.
Description
Technical Field
The utility model relates to the technical field of hazardous waste treatment, in particular to continuous leaching pickling equipment.
Background
In an industrial process, a large amount of solid waste materials, such as smelting slag, anode slime, etc., containing a large amount of heavy metal substances therein, which are directly disposed as conventional waste materials, are inevitably generated, and thus, it is easy to cause a great harm to the environment, and the solid waste materials contain some recyclable substances, such as precious metals, and a great waste of resources is caused when the solid waste materials are directly discarded.
In the process of recovering precious metals from the sludge, the metal substances in the sludge need to be dissolved by acid liquor, so that the recoverable metals are separated from the useless waste materials, and the washing effect can be achieved only by repeatedly washing the sludge with the conventional sludge acid washing equipment. The washing process includes the steps of adding acid, stirring, settling and other steps. In the washing process, repeated washing for many times leads to large amount of acid for washing, long washing period and low washing efficiency.
SUMMERY OF THE UTILITY MODEL
In view of the above, there is a need to provide a continuous leaching pickling apparatus, which is used to solve the problems of low washing efficiency and low extraction rate of the existing pickling apparatus.
The utility model provides a continuous leaching and pickling device, which comprises: the device comprises a horizontal washing kettle, and a transmission assembly, a sludge driving assembly and an acid liquor driving assembly which are arranged in the horizontal washing kettle;
the transmission assembly comprises a driving piece and a transmission shaft, the transmission shaft is rotatably connected with the horizontal washing kettle, and the driving piece is rotatably connected with the transmission shaft and used for driving the transmission shaft to rotate;
the sludge driving assembly comprises a plurality of stirring paddle wheels and a sludge bucket, the stirring paddle wheels are rotationally connected with the transmission shaft, the periphery of each stirring paddle wheel is connected with the sludge bucket, the sludge bucket is obliquely arranged relative to the stirring paddle wheels, and the sludge bucket can stir sludge and push the sludge to horizontally move;
the acid liquor driving assembly comprises a plurality of driving paddles, the driving paddles are rotatably connected with the transmission shaft, and the driving paddles can drive the acid liquor to move in the opposite direction relative to the horizontal movement of the sludge.
Furthermore, two ends of the transmission shaft are rotatably connected with two ends of the horizontal washing kettle, and the transmission shaft is arranged in a manner of being overlapped relative to the axis of the horizontal washing kettle.
Further, a plurality of the paddle wheels are arranged at equal intervals along the transmission shaft, and the driving paddle is positioned between two adjacent paddle wheels.
Furthermore, the stirring paddle wheel comprises a wheel rim rotationally connected with the transmission shaft and at least two paddles fixedly connected with the wheel rim, the paddles are arranged around the axis of the wheel rim at equal intervals, and the paddles can stir the sludge and the acid liquor in the cross section direction of the horizontal washing kettle.
Furthermore, the dredging bucket is fixedly connected with the tail end of the paddle wheel, the cross section of the dredging bucket is of a U-shaped structure, the opening direction of the dredging bucket is obliquely arranged relative to the paddle wheel of the paddle wheel, one end of the dredging bucket, relative to the movement direction of the sludge, is opened, and the other end of the dredging bucket, relative to the movement direction of the sludge, is provided with a baffle.
Furthermore, the driving paddle comprises a paddle ring connected with the transmission shaft in a rotating mode and at least two paddles fixedly connected with the paddle ring, the two paddles are arranged around the axis of the paddle ring at equal intervals, and the paddles are arranged in a twisting mode relative to the paddle ring.
Furthermore, a first feed opening for feeding acid liquor and a second feed opening for feeding sludge are respectively arranged on two sides of the top end of the horizontal washing kettle, and the first feed opening is located at the end of the movement direction of the sludge.
Furthermore, a discharge window for discharging the washed sludge is arranged below the first feeding port, and the discharge window is detachably connected with the horizontal washing kettle.
Furthermore, a discharging unit for discharging acid liquor is arranged below the second feeding port, the discharging unit comprises a filter pipe, one end of the filter pipe is arranged at an interval with the bottom of the horizontal washing kettle, the other end of the filter pipe is communicated with the outside through a shell of the horizontal washing kettle, and the filter pipe can separate sludge and acid liquor.
Furthermore, a cushion block is arranged between the horizontal washing kettle and the ground, and the cushion block is a flexible cushion block.
Compared with the prior art, the utility model has the beneficial effects that:
according to the continuous leaching and pickling equipment, the stirring paddle wheels and the driving paddles are arranged on the driving shaft at intervals, the mud buckets on the stirring paddle wheels dig the mud residues from the bottom of the inner cavity of the horizontal type washing kettle and push the mud residues to move horizontally, the blades of the driving paddles drive acid liquor to move in the opposite direction relative to the horizontal movement of the mud residues, the countercurrent washing of the mud residues is achieved, the washing efficiency is high, and the extraction rate of metals in the mud residues is high.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:
FIG. 1 provides an overall schematic of the structure of the present invention:
FIG. 2 is a schematic view of the sludge drive assembly of the present invention;
FIG. 3 is a schematic view of the construction of the bucket of the present invention;
in the figure, the horizontal washing kettle 100, the first feeding port 110, the second feeding port 120, the discharging window 130, the discharging unit 140, the filtering pipe 141, the spacer 150, the transmission assembly 200, the driving member 210, the transmission shaft 220, the sludge driving assembly 300, the paddle wheel 310, the rim 311, the paddle 312, the dredging bucket 320, the baffle 321, the acid liquor driving assembly 400, the driving paddle 410, the paddle ring 411 and the paddles 412.
Detailed Description
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate preferred embodiments of the utility model and together with the description, serve to explain the principles of the utility model and not to limit the scope of the utility model.
Referring to fig. 1 to 3, a continuous leaching and pickling apparatus according to the present embodiment includes: the horizontal type washing kettle 100, and a transmission assembly 200, a sludge driving assembly 300 and an acid liquor driving assembly 400 which are arranged in the horizontal type washing kettle 100. The transmission assembly 200 drives the sludge driving assembly 300 and the acid liquor driving assembly 400 to rotate, and the sludge driving assembly 300 and the acid liquor driving assembly 400 respectively drive the sludge and the acid liquor to move oppositely, so that the sludge is completely pickled. The transmission assembly 200 includes a driving member 210 and a transmission shaft 220, the transmission shaft 220 is rotatably connected to the horizontal washing kettle 100 through a sealed bearing, the driving member 210 is specifically a driving motor, a base of the driving member 210 is fixedly connected to the horizontal washing kettle 100, an output end of the driving member 210 is connected to the transmission shaft 220, and the driving member 210 drives the transmission shaft 220 to rotate clockwise. The sludge driving assembly 300 comprises a plurality of stirring paddle wheels 310 and a sludge bucket 320, wherein the stirring paddle wheels 310 are rotatably connected with a transmission shaft 220, the periphery of the stirring paddle wheels 310 is connected with the sludge bucket 320, the sludge bucket 320 is obliquely arranged relative to the stirring paddle wheels 310, the transmission shaft 220 drives the stirring paddle wheels 310 to rotate, the stirring paddle wheels 310 drive the sludge bucket 320 to rotate, the sludge bucket 320 can dig sludge from the bottom of the inner cavity of the horizontal washing kettle 100 and push the sludge to horizontally move, the sludge is dispersed, and recoverable metal in the sludge is thoroughly dissolved. The acid liquor driving assembly 400 comprises a plurality of driving paddles 410, and blades of the driving paddles 410 can drive acid liquor to move in a direction opposite to the horizontal movement direction of sludge, so that the sludge is washed in a counter-current manner, and the acid liquor and the sludge are fully mixed.
It should be briefly explained that: two ends of the transmission shaft 220 are rotatably connected with two ends of the horizontal washing kettle 100, two ends of the horizontal washing kettle 100 are provided with clapboards, the transmission shaft 220 is rotatably connected with the clapboards through sealed shaft bearings, the driving part 210 is fixedly connected with the clapboards, the transmission shaft 220 is overlapped relative to the axis of the horizontal washing kettle 100, and when each component connected with the transmission shaft 220 normally rotates, the components always keep a constant distance with the kettle wall of the horizontal washing kettle 100 and cannot interfere with the kettle wall of the horizontal washing kettle 100.
Referring to fig. 1, the paddle wheels 310 are disposed at equal intervals along the transmission shaft 220, and the driving paddle 410 is disposed between two adjacent paddle wheels 310. In the specific implementation process, the rotation diameter of the paddle wheel 312 is larger than that of the driving paddle 410, the sludge close to the inner wall of the horizontal washing kettle 100 moves in one direction under the action of the paddle wheel 310, the driving paddle 410 adjacent to the paddle wheel 310 drives the acid liquor in the center of the horizontal washing kettle 100 to move in the opposite direction, the contact and the mixing of the sludge and the acid liquor are further accelerated, and the extraction rate of metals in the sludge is improved.
Referring to fig. 1 and 2, the paddle wheel 310 includes a rim 311 rotatably connected to the transmission shaft 220 and paddles 312 fixedly connected to the rim 311, the rim 311 is fixedly connected to the transmission shaft 220, at least two paddles 312 are disposed around the axis of the rim 311 at equal intervals, and in the cross-sectional direction of the horizontal washing tank 100, the paddles 312 rotate to stir the sludge and the acid solution in the vertical region, thereby further improving the mixing degree between the sludge and the acid solution.
Referring to fig. 1 to 3, the excavator bucket 320 is fixedly connected to the end of the paddle 312, the section of the excavator bucket 320 is U-shaped, the opening direction of the excavator bucket 320 is inclined relative to the paddle 312 of the paddle wheel 310, the excavator bucket 320 obliquely cuts into the sludge deposited at the bottom of the horizontal washing kettle 100, scoops up a portion of the sludge and pushes the sludge to move obliquely upward, so that the sludge is driven to move in one direction while being uniformly contacted with the acid solution. One end of the dredging bucket 320 corresponding to the movement direction of the sludge is opened, and the other end of the dredging bucket 320 corresponding to the movement direction of the sludge is provided with a baffle 321. The sludge entering the hopper 320 is pushed out of the opening, and the baffle 321 can prevent the reverse movement of the sludge.
Referring to fig. 1, the driving paddle 410 includes a paddle ring 411 rotatably connected to the driving shaft 220 and blades 412 fixedly connected to the paddle ring 411, the driving shaft 220 can drive the paddle ring 411 to rotate, at least two blades 412 are equidistantly arranged around an axis of the paddle ring 411, and the blades 412 are arranged in a twisted manner relative to the paddle ring 411. The rotation of the paddles 412 can drive the acid solution to move, so that the acid solution flows horizontally, and the contact and mixing of the sludge and the acid solution are promoted.
Referring to fig. 1, a first material inlet 110 for injecting acid solution and a second material inlet 120 for injecting sludge are respectively disposed on two sides of the top end of the horizontal type washing kettle 100, the first material inlet 110 is located at the end of the sludge movement direction, and the second material inlet 120 is located at the end opposite to the first material inlet 110. The acid solution fed from the first feeding port 110 moves toward the second feeding port 120, and the sludge fed from the second feeding port 120 moves toward the first feeding port 110, in cooperation with the countercurrent washing of the sludge. In a further embodiment, a discharge window 130 for discharging the washed sludge is arranged below the first feeding port 110, and the discharge window 130 is hermetically connected with the outer shell of the horizontal washing kettle 100 through a screw thread, so that the horizontal washing kettle is closed to prevent leakage when in operation. After the washing of the sludge is completed, the discharge window 130 is opened to discharge the washed waste sludge.
Referring to fig. 1, a discharging unit 140 for discharging acid liquid is disposed below the second feeding port 120, the discharging unit 140 includes a filter pipe 141, one end of the filter pipe 141 is spaced from the bottom of the horizontal washing tank 100, and the filter pipe 141 does not interfere with the dredging bucket 320 or the stirring paddle wheel 310. The other end of the filter pipe 141 is connected to the outside through the housing of the horizontal washing tank 100, and is connected to the other end of the filter pipe 141 through a pipe and applies a negative pressure, so that the filter pipe 141 can suck the acidic solution in which the metal is dissolved from the horizontal washing tank 100. The filtering pipe 141 can separate sludge and acid solution, and primarily filter the acid solution to reduce solid substances in the acid solution.
It should be noted that the cushion block 150 is arranged between the horizontal washing kettle 100 and the ground, the cushion block 150 is made of wood, and the cushion block 150 can reduce the vibration caused by the transmission shaft 220. Meanwhile, the pad 150 can raise the distance between the horizontal washing kettle 100 and the ground, and an operation space is reserved for the discharging unit 140 and the discharging window 130.
The working process is as follows: firstly, acid liquor is put in from the first feeding port 110, sludge is put in from the second feeding port 120, the driving member 210 is started, the transmission shaft 220 drives the paddle wheel 310 and the driving paddle 410 to move, the dredging bucket 320 drives the sludge to move towards the discharging window 130, the driving paddle 410 drives the acid liquor to move towards the filtering pipe 141, sufficient countercurrent washing is carried out between the sludge and the acid liquor, and the acid liquor dissolves metals in the sludge.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the present invention.
Claims (10)
1. A continuous leaching pickling plant, characterized by comprising: the device comprises a horizontal washing kettle, and a transmission assembly, a sludge driving assembly and an acid liquor driving assembly which are arranged in the horizontal washing kettle;
the transmission assembly comprises a driving piece and a transmission shaft, the transmission shaft is rotatably connected with the horizontal washing kettle, and the driving piece is rotatably connected with the transmission shaft and used for driving the transmission shaft to rotate;
the sludge driving assembly comprises a plurality of stirring paddle wheels and a sludge bucket, the stirring paddle wheels are rotationally connected with the transmission shaft, the periphery of each stirring paddle wheel is connected with the sludge bucket, the sludge bucket is obliquely arranged relative to the stirring paddle wheels, and the sludge bucket can stir sludge and push the sludge to horizontally move;
the acid liquor driving assembly comprises a plurality of driving paddles, the driving paddles are rotatably connected with the transmission shaft, and the driving paddles can drive the acid liquor to move in the opposite direction relative to the horizontal movement of the sludge.
2. The continuous leaching pickling plant according to claim 1, wherein two ends of the transmission shaft are rotatably connected with two ends of the horizontal washing kettle, and the transmission shaft is arranged in a manner of being overlapped relative to the axis of the horizontal washing kettle.
3. A continuous leach pickling installation according to claim 1, wherein a plurality of said paddle wheels are spaced equidistantly along said drive shaft, said drive paddle being located between adjacent ones of said paddle wheels.
4. The continuous leaching pickling apparatus according to claim 1, wherein the paddle wheel comprises a wheel rim rotatably connected with the transmission shaft and at least two paddle wheels fixedly connected with the wheel rim, the paddle wheels are arranged at equal intervals around the axis of the wheel rim, and the paddle wheels can stir the sludge and the acid liquor in the cross-sectional direction of the horizontal washing kettle.
5. The continuous leaching pickling equipment according to claim 4, wherein the dredging bucket is fixedly connected with the tail end of the paddle wheel, the cross section of the dredging bucket is in a U-shaped structure, the opening direction of the dredging bucket is obliquely arranged relative to the paddle wheel of the paddle wheel, one end of the dredging bucket relative to the movement direction of the sludge is opened, and the other end of the dredging bucket relative to the movement direction of the sludge is provided with a baffle.
6. The continuous leach pickling installation according to claim 1, wherein said drive paddles comprise a collar rotatably connected to said drive shaft and at least two paddles fixedly connected to said collar, said paddles being arranged equidistantly around the axis of said collar, said paddles being arranged in a twisted configuration with respect to said collar.
7. The continuous leaching and pickling equipment according to claim 1, wherein a first feeding port for feeding acid liquor and a second feeding port for feeding sludge are respectively formed in two sides of the top end of the horizontal washing kettle, and the first feeding ports are located at the end of the movement direction of the sludge.
8. The continuous leaching pickling plant according to claim 7, wherein a discharge window for discharging washed sludge is arranged below the first feeding port, and the discharge window is detachably connected with the horizontal washing tank.
9. The continuous leaching pickling equipment according to claim 8, wherein a discharging unit for discharging acid liquor is arranged below the second feeding port, the discharging unit comprises a filter pipe, one end of the filter pipe is arranged at a distance from the bottom of the horizontal washing kettle, the other end of the filter pipe is communicated with the outside through a shell of the horizontal washing kettle, and the filter pipe can separate sludge and acid liquor.
10. The continuous leaching pickling plant according to claim 9, wherein a cushion block is arranged between the horizontal washing tank and the ground, and the cushion block is a flexible cushion block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123030470.7U CN216688260U (en) | 2021-12-04 | 2021-12-04 | Continuous leaching pickling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123030470.7U CN216688260U (en) | 2021-12-04 | 2021-12-04 | Continuous leaching pickling equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216688260U true CN216688260U (en) | 2022-06-07 |
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ID=81836090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123030470.7U Active CN216688260U (en) | 2021-12-04 | 2021-12-04 | Continuous leaching pickling equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216688260U (en) |
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2021
- 2021-12-04 CN CN202123030470.7U patent/CN216688260U/en active Active
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