CN112280993A - Device and method for extracting tin from tin smelting alkaline residue by adopting water leaching and neutralization - Google Patents
Device and method for extracting tin from tin smelting alkaline residue by adopting water leaching and neutralization Download PDFInfo
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- CN112280993A CN112280993A CN202011189954.3A CN202011189954A CN112280993A CN 112280993 A CN112280993 A CN 112280993A CN 202011189954 A CN202011189954 A CN 202011189954A CN 112280993 A CN112280993 A CN 112280993A
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- tin
- reaction frame
- electric valve
- alkaline residue
- smelting
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- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 title claims abstract description 57
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 238000003723 Smelting Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000006386 neutralization reaction Methods 0.000 title claims abstract description 11
- 238000002386 leaching Methods 0.000 title claims description 25
- 238000006243 chemical reaction Methods 0.000 claims abstract description 77
- 238000003860 storage Methods 0.000 claims abstract description 57
- 239000000706 filtrate Substances 0.000 claims abstract description 33
- 238000007654 immersion Methods 0.000 claims abstract description 11
- 238000000498 ball milling Methods 0.000 claims description 15
- 230000003472 neutralizing effect Effects 0.000 claims description 15
- 239000003513 alkali Substances 0.000 claims description 14
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 12
- 239000002244 precipitate Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 8
- 238000000227 grinding Methods 0.000 claims description 6
- 238000001556 precipitation Methods 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 6
- 239000006228 supernatant Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 230000001376 precipitating effect Effects 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 239000000047 product Substances 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 4
- 238000000605 extraction Methods 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 238000000151 deposition Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000001698 pyrogenic effect Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B25/00—Obtaining tin
- C22B25/06—Obtaining tin from scrap, especially tin scrap
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B25/00—Obtaining tin
- C22B25/04—Obtaining tin by wet processes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/02—Apparatus therefor
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention provides a device and a method for extracting tin from tin smelting alkaline residues by adopting water immersion neutralization, and the device comprises a filter press, a filtrate storage tank, a motor box and an outer reaction frame, wherein a booster pump is fixedly arranged in the motor box, an air inlet pipe and an air outlet pipe are arranged on the booster pump, one end of the air outlet pipe is communicated with the top of the filtrate storage tank, the top of the filtrate storage tank is provided with a through hole, and one end of an external discharge pipe penetrates through the through hole and extends to the bottom of the filtrate storage tank.
Description
Technical Field
The invention belongs to the technical field of tin extraction equipment, and particularly relates to a device and a method for extracting tin from tin-smelting alkaline residues by adopting water leaching and neutralization.
Background
The method for smelting tin mainly comprises the following steps of taking the dioxide (cassiterite) and various sulfides (such as the cassiterite) as main components in nature, taking a pyrogenic process as a main component and taking a wet process as an auxiliary component, generating more alkaline residues in the process of extracting tin, wherein the alkaline residues still contain tin and need to be properly treated, otherwise, the environment is polluted and the resource waste is caused.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a device and a method for extracting tin from tin-smelting alkaline residues by adopting water leaching and neutralization, the device for extracting tin from tin-smelting alkaline residues by adopting water leaching and neutralization is reasonable in design, and a filter press, a filtrate storage tank, a motor box and an outer reaction frame are mutually matched, so that each link of extracting tin from tin-smelting alkaline residues by adopting water leaching and neutralization can be continuously carried out, the efficiency and convenience for extracting tin can be effectively improved, the use is convenient, the labor cost can be reduced, the labor intensity is reduced, and the practicability is strong.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an adopt the water logging in and draw device of tin in follow tin-smelting alkali sediment, a adopt the water logging in and draw device of tin in follow tin-smelting alkali sediment, includes pressure filter, filtrating storage jar, motor case and outer reaction frame, fixed mounting has the booster pump in the motor case, be provided with intake pipe and outlet duct on the booster pump, the one end of outlet duct and the top intercommunication of filtrating storage jar, the through-hole has been seted up at the top of filtrating storage jar, and the bottom of through-hole and extension to filtrating storage jar is passed to the one end of external discharge pipe, electric valve one is installed to the one end that external discharge pipe is in the outer filtrating storage jar, the through-hole has been seted up to one side at filtrating storage jar top, and the one end of interpolation pipe is passed the through-hole and is extended to the bottom of filtrating storage jar, electric valve two is installed to the one end that the interpolation pipe is in, install the treater in the control box, install the operation button on the control box, fixed mounting has the motor on the inside wall of outer reaction frame bottom, the ring channel has been seted up on the inside wall of outer reaction frame, movable mounting has the swivel becket in the ring channel, interior reaction frame has been placed at the top of swivel becket, the output shaft of motor and the bottom fixed connection of interior reaction frame, the fly leaf has been placed in the interior reaction frame, the top fixed mounting of outer reaction frame has the interpolation device in advance, the interpolation device includes storage jar and discharge pipe in advance, install electric valve three on the discharge pipe, the one end of discharge pipe is connected and is linked together with the bottom of storage jar, the front side of storage jar is provided with the scale mark, be connected with the power cord on the pressure filter.
As a preferred embodiment of the present invention, a plurality of pull rings are fixedly installed on the top of the movable plate.
As a preferred embodiment of the present invention, a support rod is fixedly installed at the bottom of the outer reaction frame, a support ring is fixedly installed at the top of the support rod, and balls are movably installed between the rotary ring and the annular groove, between the bottom of the inner reaction frame and the rotary ring, and between the bottom of the inner reaction frame and the support ring.
As a preferred embodiment of the present invention, one end of the power line is fixedly connected with a plug, the power line is electrically connected to the processor, the motor, the first electric valve, the second electric valve, the third electric valve, the operation button, the filter press and the booster pump through the power supply circuit, respectively, and the processor is electrically connected to the motor, the first electric valve, the second electric valve, the third electric valve, the operation button, the filter press and the booster pump, respectively.
In a preferred embodiment of the present invention, the other side of the top of the outer reaction frame is provided with an operation opening.
As a preferred embodiment of the present invention, an air inlet hole is opened at the top of the motor box.
A method for neutralizing and extracting tin from tin-smelting alkaline residue by adopting water leaching comprises the following steps:
the method comprises the following steps: finely grinding the raw materials; carrying out ball milling on tin-containing raw material alkaline residue by using a ball mill, continuously adding water in the ball milling process to serve as water for circularly leaching the alkaline residue during ball milling, and standing alkaline residue slurry obtained after ball milling for 3-5 hours after the grinding is finished;
step two: obtaining an alkaline leaching solution; after standing, performing filter pressing on the slurry by using a filter press to obtain an alkali immersion liquid and alkaline ball-milling leaching residues, wherein the pH of the alkali immersion liquid is controlled to be more than 12, and the alkali immersion liquid enters a filtrate storage tank from the filter press;
step three: neutralizing and precipitating tin; controlling a booster pump and a motor to start through an operation key, inputting air into a filtrate storage tank through an air outlet pipe by the booster pump, increasing the air pressure in the filtrate storage tank, extruding the internal filtrate from an adding pipe and conveying the filtrate into an inner reaction frame in an outer reaction frame, adding dilute sulfuric acid into the storage tank of a pre-adding device, opening an electric valve III, allowing the dilute sulfuric acid to enter the inner reaction frame through a discharge pipe, adjusting the pH to 6.7 for neutralization and tin precipitation, simultaneously driving the inner reaction frame to rotate by the motor, thus achieving the stirring effect, and standing and precipitating for 1-2 hours after stirring for a certain time;
step four: obtaining a product; and pumping the supernatant liquor after precipitation out, performing filter pressing by using a filter press, allowing the obtained filtrate to enter a filtrate storage tank, closing an electric valve II on an adding pipe, opening an electric valve I on an external discharge pipe, discharging the filtrate through the external discharge pipe to be used as water for circularly leaching the alkaline residue by using a ball mill, pulling out a movable plate in an inner reaction frame by using a pull ring, taking down the precipitate on the movable plate, and performing filter pressing on the precipitate by using the filter press to obtain the tin with the water content of 35-40%.
The invention has the beneficial effects that: the invention relates to a device for extracting tin from tin smelting alkaline residues by adopting water leaching and neutralization, which comprises a filter press, a filtrate storage tank, a motor box, an outer reaction frame, a booster pump, an air inlet pipe, an air outlet pipe, an external discharge pipe, an electric valve I, an addition pipe, an electric valve II, a control box, a motor, an annular groove, a rotating ring, an inner reaction frame, a movable plate, a pull ring, a support rod, a support ring, an operation opening, a pre-addition device, a storage tank, a discharge pipe, an electric valve III, a scale mark, a power line and an air inlet hole.
1. This adopt the water logging in from tin-smelting alkaline residue and draw the pressure filter of the device of tin, filtrating storage jar, motor case and outer reaction frame mutually support, can be the continuity carry on from tin-smelting alkaline residue adopt the water logging in and draw each link of tin to can improve the efficiency and the convenience of drawing tin effectively, and convenient to use can reduce the cost of labor, reduce intensity of labour, and the practicality is strong.
2. This adopt the water logging in from tin-smelting alkaline residue and draw interior reaction frame in the outer reaction frame of device of tin can rotate under the drive of motor, thereby reach the purpose to the stirring of inside material, and, the internal surface of interior reaction frame is level and smooth, when deposiing, the bottom of reaction frame including the distribution that the precipitate can be even, make things convenient for taking out of precipitate, and, the fly leaf that can take out has been installed on the inboard wall of interior reaction frame bottom, after finishing the supernatant extraction, take out the precipitate that just can be convenient with the fly leaf pulling out, convenient and fast.
3. This adopt the water logging in from tin-smelting alkaline residue and draw the interior reaction frame of the device of tin on placing the swivel becket of outer reaction frame medial side, the swivel becket can rotate, also can rotate relatively between interior reaction frame and the swivel becket to can guarantee interior reaction frame can smooth and easy steady rotation, prevent to take place to block the shell.
4. This adopt the water logging in from the tin-smelting caustic sludge and draw the filtrating in the filtrating holding vessel of the device of tin and discharge through the mode of pressure boost discharge, the filtrating does not pass through the power consumption part, avoids taking place the corruption, and the security is high.
Drawings
FIG. 1 is a schematic cross-sectional view of an apparatus for neutralizing and extracting tin from alkali slag from tin-making by using water leaching;
FIG. 2 is a schematic cross-sectional view of an outer reaction frame of a device for neutralizing and extracting tin from alkali slag from tin smelting by using water leaching;
FIG. 3 is a schematic cross-sectional view of a pre-feeding device of a device for neutralizing and extracting tin from alkali slag from tin smelting by using water leaching;
FIG. 4 is a schematic flow chart of a method for neutralizing and extracting tin from tin-smelting alkaline residue by using water;
in the figure: 1. a filter press; 2. a filtrate storage tank; 3. a motor case; 4. an outer reaction frame; 5. a booster pump; 6. an air inlet pipe; 7. an air outlet pipe; 8. an external discharge pipe; 9. a first electric valve; 10. an addition pipe; 11. an electric valve II; 12. a control box; 13. an electric motor; 14. an annular groove; 15. a rotating ring; 16. an inner reaction frame; 17. a movable plate; 18. a pull ring; 19. a support bar; 20. a support ring; 21. an operation port; 22. a pre-addition device; 23. storing the tank; 24. a discharge pipe; 25. an electric valve III; 26. scale lines; 27. a power line; 28. and (4) air inlet holes.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides an adopt the water logging in and draw device of tin in follow tin-smelting alkaline residue, a adopt the water logging in and draw device of tin in follow tin-smelting alkaline residue, includes pressure filter 1, filtrating storage jar 2, motor case 3 and outer reaction frame 4, fixed mounting has booster pump 5 in the motor case 3, be provided with intake pipe 6 and outlet duct 7 on the booster pump 5, the one end of outlet duct 7 and the top intercommunication of filtrating storage jar 2, the through-hole has been seted up at the top of filtrating storage jar 2, and the through-hole is passed and the bottom of filtrating storage jar 2 is extended to the one end of external discharge pipe 8, electric valve one 9 is installed to the one end that external discharge pipe 8 is in the outer of filtrating storage jar 2, the through-hole has been seted up to one side at filtrating storage jar 2 top, and the through-hole is passed and the bottom of filtrating storage jar 2 is extended to the one end of addition pipe 10, electric valve, one side fixed mounting at 4 tops of outer reaction frame has control box 12, install the treater in the control box 12, install the operation button on the control box 12, fixed mounting has motor 13 on the inside wall of 4 bottoms of outer reaction frame, ring channel 14 has been seted up on the inside wall of outer reaction frame 4, movable mounting has swivel 15 in the ring channel 14, interior reaction frame 16 has been placed at swivel 15's top, the output shaft of motor 13 and the bottom fixed connection of interior reaction frame 16, fly leaf 17 has been placed in interior reaction frame 16, the top fixed mounting of outer reaction frame 4 has pre-addition device 22, pre-addition device 22 includes storage jar 23 and discharge pipe 24, install electric valve three 25 on the discharge pipe 24, the one end of discharge pipe 24 is connected and communicates with the bottom of storage jar 23, the front side of storage jar 23 is provided with scale mark 26, the filter press 1 is connected with a power line 27.
In a preferred embodiment of the present invention, a plurality of pull rings 18 are fixedly mounted on the top of the movable plate 17.
In a preferred embodiment of the present invention, a support rod 19 is fixedly mounted at the bottom of the outer reaction frame 4, a support ring 20 is fixedly mounted at the top of the support rod 19, and balls are movably mounted between the rotating ring 15 and the annular groove 14, between the bottom of the inner reaction frame 16 and the rotating ring 15, and between the bottom of the inner reaction frame 16 and the support ring 20.
As a preferred embodiment of the present invention, one end of the power line 27 is fixedly connected with a plug, the power line 27 is electrically connected to the processor, the motor 13, the first electric valve 9, the second electric valve 11, the third electric valve 25, the operation button, the filter press 1 and the booster pump 5 through the power supply circuit, respectively, and the processor is electrically connected to the motor 13, the first electric valve 9, the second electric valve 11, the third electric valve 25, the operation button, the filter press 1 and the booster pump 5, respectively.
In a preferred embodiment of the present invention, the other side of the top of the outer reaction frame 4 is provided with an operation opening 21.
In a preferred embodiment of the present invention, an air inlet hole 28 is opened at the top of the motor box 3.
A method for neutralizing and extracting tin from tin-smelting alkaline residue by adopting water leaching comprises the following steps:
the method comprises the following steps: finely grinding the raw materials; carrying out ball milling on tin-containing raw material alkaline residue by using a ball mill, continuously adding water in the ball milling process to serve as water for circularly leaching the alkaline residue during ball milling, and standing alkaline residue slurry obtained after ball milling for 3-5 hours after the grinding is finished;
step two: obtaining an alkaline leaching solution; after standing, performing filter pressing on the slurry by using a filter press 1 to obtain an alkali immersion liquid and alkaline ball-milling leaching residues, wherein the pH of the alkali immersion liquid is controlled to be more than 12, and the alkali immersion liquid enters a filtrate storage tank 2 from the filter press 1;
step three: neutralizing and precipitating tin; the booster pump 5 and the motor 13 are controlled to start by operating a key, the booster pump 5 inputs air into the filtrate storage tank 2 through the air outlet pipe 7, the air pressure in the filtrate storage tank 2 increases, the internal filtrate is pressed out from the adding pipe 10 and conveyed into the inner reaction frame 16 in the outer reaction frame 4, dilute sulfuric acid is added into the storage tank 23 of the pre-adding device 22, the electric valve III 25 is opened, the dilute sulfuric acid enters the inner reaction frame 16 through the discharge pipe 24, the pH value is adjusted to 6.7 for neutralization and tin deposition, meanwhile, the motor 13 drives the inner reaction frame 16 to rotate, so as to achieve the stirring effect, standing and depositing are carried out for 1-2 hours after stirring for a certain time, the inner reaction frame 16 in the outer reaction frame 4 can rotate under the driving of the motor 13, so as to achieve the purpose of stirring the internal materials, in addition, the inner surface of the inner reaction frame 16 is smooth, and precipitates can be uniformly distributed at the bottom of the inner reaction frame 16, the precipitate is convenient to take out;
step four: obtaining a product; pumping the supernatant after precipitation out, performing filter pressing by using a filter press 1, allowing the obtained filtrate to enter a filtrate storage tank 2, closing a second electric valve 11 on an adding pipe 10, opening a first electric valve 9 on an external discharge pipe 8, discharging the filtrate through the external discharge pipe 8 to be used as water for circularly leaching alkaline residue by using a ball mill, pulling out a movable plate 17 in an inner reaction frame 16 by using a pull ring 18, taking down the precipitate on the movable plate 17, performing filter pressing on the precipitate by using the filter press 1 to obtain tin with the water content of 35-40%, mounting the movable plate 17 which can be taken out on the inner side wall at the bottom of the inner reaction frame 16, and after the supernatant is pumped out, pulling out the movable plate 17 to conveniently take out the precipitate, which is convenient and rapid.
As a preferred embodiment of the invention, the filter press 1, the filtrate storage tank 2, the motor box 3 and the outer reaction frame 4 are mutually matched, and each link of extracting tin from the tin-smelting alkaline residue by adopting water immersion and tin extraction can be continuously carried out, so that the efficiency and convenience of extracting tin can be effectively improved, the use is convenient, the labor cost can be reduced, the labor intensity is reduced, and the practicability is strong.
As a preferred embodiment of the present invention, the inner reaction frame 16 is placed on the rotating ring 15 at the inner side of the outer reaction frame 4, the rotating ring 15 can rotate, and the inner reaction frame 16 and the rotating ring 15 can also rotate relatively, so that the inner reaction frame 16 can be ensured to rotate smoothly and stably, the housing clamping is prevented, the filtrate in the filtrate storage tank 2 is discharged in a pressurization manner, the filtrate does not pass through an electric component, the corrosion is avoided, and the safety is high.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides an adopt water logging in and draw device of tin from tin-smelting alkaline residue, includes pressure filter (1), filtrating storage jar (2), motor case (3) and outer reaction frame (4), its characterized in that, fixed mounting has booster pump (5) in motor case (3), be provided with intake pipe (6) and outlet duct (7) on booster pump (5), the one end of outlet duct (7) and the top intercommunication of filtrating storage jar (2), the through-hole has been seted up at the top of filtrating storage jar (2), and the one end of external discharge pipe (8) is passed the through-hole and is extended to the bottom of filtrating storage jar (2), electric valve (9) are installed to external discharge pipe (8) is in the outer one end of filtrating storage jar (2), the through-hole has been seted up to one side at filtrating storage jar (2) top, and the one end of adding pipe (10) is passed the through-hole and is extended to the bottom of filtrating storage jar, add outer one end of pipe (10) in filtrating storage jar (2) and install electric valve two (11), one side fixed mounting at outer reaction frame (4) top has control box (12), install the treater in control box (12), install the operation button on control box (12), fixed mounting has motor (13) on the inside wall of outer reaction frame (4) bottom, ring channel (14) have been seted up on the inside wall of outer reaction frame (4), movable mounting has swivel becket (15) in ring channel (14), interior reaction frame (16) have been placed at the top of swivel becket (15), the output shaft of motor (13) and the bottom fixed connection of interior reaction frame (16), movable plate (17) have been placed in interior reaction frame (16), the top fixed mounting of outer reaction frame (4) has interpolation device (22) in advance, add device (22) in advance and include storage jar (23) and discharge pipe (24), install electric valve three (25) on discharge pipe (24), the one end of discharge pipe (24) is connected and is communicate with the bottom of storage jar (23), the front side of storage jar (23) is provided with scale mark (26), be connected with power cord (27) on the pressure filter (1).
2. The device for neutralizing and extracting tin from tin-smelting alkaline residue by adopting water as claimed in claim 1, is characterized in that: the top of the movable plate (17) is fixedly provided with a plurality of pull rings (18).
3. The device for neutralizing and extracting tin from tin-smelting alkaline residue by adopting water as claimed in claim 1, is characterized in that: the bottom fixed mounting of outer reaction frame (4) has bracing piece (19), the top fixed mounting of bracing piece (19) has support ring (20), equal movable mounting has the ball between rotating ring (15) and ring channel (14), between the bottom of interior reaction frame (16) and rotating ring (15) and between the bottom of interior reaction frame (16) and support ring (20).
4. The device for neutralizing and extracting tin from tin-smelting alkaline residue by adopting water as claimed in claim 1, is characterized in that: the one end fixedly connected with plug of power cord (27), power cord (27) pass through power supply circuit respectively with treater, motor (13), electric valve (9), electric valve two (11), electric valve three (25), operation button, pressure filter (1) and booster pump (5) electric connection, the treater respectively with motor (13), electric valve one (9), electric valve two (11), electric valve three (25), operation button, pressure filter (1) and booster pump (5) electric connection.
5. The device for neutralizing and extracting tin from tin-smelting alkaline residue by adopting water as claimed in claim 1, is characterized in that: the other side of the top of the outer reaction frame (4) is provided with an operation opening (21).
6. The device for neutralizing and extracting tin from tin-smelting alkaline residue by adopting water as claimed in claim 1, is characterized in that: an air inlet (28) is formed in the top of the motor box (3).
7. A method for neutralizing and extracting tin from tin-smelting alkaline residue by adopting water leaching is characterized by comprising the following steps:
the method comprises the following steps: finely grinding the raw materials; carrying out ball milling on tin-containing raw material alkaline residue by using a ball mill, continuously adding water in the ball milling process to serve as water for circularly leaching the alkaline residue during ball milling, and standing alkaline residue slurry obtained after ball milling for 3-5 hours after the grinding is finished;
step two: obtaining an alkaline leaching solution; after standing, performing filter pressing on the slurry by using a filter press (1) to obtain an alkali immersion liquid and alkaline ball-milling leaching residues, wherein the pH of the alkali immersion liquid is controlled to be more than 12, and the alkali immersion liquid enters a filtrate storage tank (2) from the filter press (1);
step three: neutralizing and precipitating tin; the booster pump (5) and the motor (13) are controlled to start through an operation key, the booster pump (5) inputs air into the filtrate storage tank (2) through an air outlet pipe (7), the air pressure in the filtrate storage tank (2) is increased, the internal filtrate is pressed out from the adding pipe (10) and conveyed into an internal reaction frame (16) in an external reaction frame (4), dilute sulfuric acid is added into a storage tank (23) of a pre-adding device (22), an electric valve III (25) is opened, the dilute sulfuric acid enters the internal reaction frame (16) through a discharge pipe (24), the pH value is adjusted to 6.7 for neutralization and tin precipitation, meanwhile, the motor (13) drives the internal reaction frame (16) to rotate, so that the stirring effect is achieved, and the precipitation is carried out for 1-2 hours after the stirring for a certain time;
step four: obtaining a product; and pumping out the supernatant after precipitation, performing filter pressing by using a filter press (1), allowing the obtained filtrate to enter a filtrate storage tank (2), closing an electric valve II (11) on an adding pipe (10), opening an electric valve I (9) on an external discharge pipe (8), discharging the filtrate through the external discharge pipe (8) to be used as water for circularly leaching the alkaline residue by using a ball mill, pulling out a movable plate (17) in an inner reaction frame (16) through a pull ring (18), taking down the precipitate on the movable plate (17), and performing filter pressing on the precipitate by using the filter press (1) to obtain tin with the water content of 35-40%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011189954.3A CN112280993B (en) | 2020-10-30 | 2020-10-30 | Device and method for extracting tin from tin smelting alkaline residue by adopting water leaching and neutralization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011189954.3A CN112280993B (en) | 2020-10-30 | 2020-10-30 | Device and method for extracting tin from tin smelting alkaline residue by adopting water leaching and neutralization |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112280993A true CN112280993A (en) | 2021-01-29 |
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| CN112280993B (en) | 2022-07-29 |
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