CN111607700A - Industrial chemical waste liquid copper recovery plant - Google Patents
Industrial chemical waste liquid copper recovery plant Download PDFInfo
- Publication number
- CN111607700A CN111607700A CN202010480759.XA CN202010480759A CN111607700A CN 111607700 A CN111607700 A CN 111607700A CN 202010480759 A CN202010480759 A CN 202010480759A CN 111607700 A CN111607700 A CN 111607700A
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- waste liquid
- block
- reaction
- copper
- plate
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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
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/006—Wet processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/16—Making metallic powder or suspensions thereof using chemical processes
- B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
- B22F9/24—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
-
- 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
- C22B15/00—Obtaining copper
- C22B15/0063—Hydrometallurgy
- C22B15/0084—Treating solutions
- C22B15/0089—Treating solutions by chemical methods
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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
Abstract
The invention discloses an industrial chemical waste liquid copper recovery device which structurally comprises a top cover, a waste liquid inlet, a reaction cavity, a filtering end, a support and a reaction liquid inlet, wherein the waste liquid inlet is arranged at the right side position of the reaction cavity, the filtering end is fixed at the bottom position of the reaction cavity, the support is welded with the reaction cavity, the reaction liquid inlet penetrates through the inner position of the reaction cavity, the reaction cavity is embedded at the lower end position of the top cover, the scraping mechanism can be driven to synchronously descend along the inner wall of the frame body by the buoyancy block according to the descending of the water level of the waste liquid, thereby make scraping mechanism can strike off the adnexed copper granule of reaction chamber inner wall, flow on the surface of deformation when discharging through the waste liquid, can make the waste liquid that flows promote the live-rollers on the deformation face and rotate, so make the waste liquid that flows can dash the adnexed copper ion of face surface and live-rollers surface and fall, avoided the adnexed copper ion on the deformation face to be difficult to the condition of cleaing away.
Description
Technical Field
The invention relates to the field of industrial chemistry, in particular to an industrial chemistry waste liquid copper recovery device.
Background
The waste liquid copper recovery tower is mainly used for separating copper ions in industrial chemical waste liquid, and can convert copper ions into copper precipitates and the bottom of a tower through neutralization of acidic waste liquid and copper-containing alkaline waste liquid, so that the waste liquid recovery tower can filter and separate copper in the waste liquid, and the situation that the copper ions in the waste liquid are discharged along with the waste liquid to cause environmental pollution is avoided, and based on the above description, the inventor finds that the existing industrial chemical waste liquid copper recovery equipment mainly has the following defects, for example:
because the copper that copper ion neutralization conversion in the industrial chemistry waste liquid was changed belongs to the graininess, and the volume is slightly little to so that waste liquid copper recovery tower can some tiny particle copper adhere to waste liquid tower inner wall after accomplishing the waste liquid filtration, and the copper that leads to after the neutralization can not stop completely on the filter screen and is taken out to make waste liquid recovery tower reduce the copper rate of recovery in the industrial chemistry waste liquid.
Disclosure of Invention
Aiming at the problems, the invention provides an industrial chemical waste liquid copper recovery device.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an industrial chemistry waste liquid copper recovery plant, its structure includes that top cap, waste liquid import, reaction chamber, filter end, support, reaction liquid import, the waste liquid import is installed in the right side position of reaction chamber, the bottom position of filter end fixed in reaction chamber, the support welds with reaction chamber mutually, the reaction liquid import link up in reaction chamber's inside position, reaction chamber inlays admittedly in the lower extreme position of top cap.
As a further optimization of the invention, the reaction chamber comprises a scraping mechanism, a buoyancy block and a frame body, the scraping mechanism is in clearance fit with the inner wall of the frame body, the buoyancy block is fixedly connected with the scraping mechanism in an embedded mode, and the buoyancy block is made of foamed plastic.
As a further optimization of the invention, the scraping mechanism comprises a deformation surface, an elastic strip, a linkage block, an opening and closing clamping plate, an extrusion block, a pulling strip and a fixing block, wherein the deformation surface is fixedly connected with the fixing block, the elastic strip is arranged in the linkage block, the right side surface of the linkage block is attached to the left side surface of the deformation surface, the opening and closing clamping plate is connected with the deformation surface, the extrusion block is in clearance fit with the opening and closing clamping plate, the pulling strip is arranged in the opening and closing clamping plate, the fixing block is movably clamped with the linkage block, and the opening and closing clamping plate is in a triangular structure.
As a further optimization of the invention, the extrusion block comprises a bottom block, a movable bead and a clearing mechanism, the bottom block is arranged inside the movable bead, the clearing mechanism is embedded and fixed at the lower end of the bottom block, and the clearing mechanism is made of corrosion-resistant butadiene acrylonitrile rubber.
As a further optimization of the invention, the clearing mechanism comprises a connecting plate, a plate surface, a swinging plate and an elastic sheet, wherein the plate surface and the connecting plate are of an integrated structure, the swinging plate is hinged with the connecting plate, the elastic sheet is installed between the swinging plate and the plate surface, and the elastic sheet is of a triangular structure.
As a further optimization of the invention, the deformation surface comprises rotating rollers, baffle plates and a plate surface, the rotating rollers are movably clamped with the baffle plates, the baffle plates are embedded at the left side and the right side of the plate surface, seven rotating rollers are arranged, and the rotating rollers are uniformly distributed between the two baffle plates in an arc shape.
As a further optimization of the invention, the rotating roller comprises a cleaning surface, movable pieces, protection pieces and a combination ring, wherein the cleaning surface and the movable pieces are of an integrated structure, the movable pieces are hinged with the combination ring, the protection pieces are arranged between two adjacent movable pieces, twelve movable pieces are arranged, and the movable pieces are uniformly distributed in a circular shape on the combination ring.
As a further optimization of the invention, the cleaning surface comprises a lower pressing plate, a water permeable port, a water absorbing block and a block body, wherein the lower pressing plate is hinged with the block body, the water permeable port and the lower pressing plate are of an integrated structure, the water absorbing block is arranged between the block body and the lower pressing plate, and the water permeable port is of a trapezoidal structure.
The invention has the following beneficial effects:
1. when acid waste liquid and alkaline copper-containing waste liquid stop the copper ion in the reaction intracavity and produce the copper granule after the reaction, the waste liquid exhaust in-process that will not contain the copper ion can drive through the buoyancy piece and strike off the mechanism and carry out synchronous decline along the inner wall of framework according to the decline of waste liquid water level to make and strike off the mechanism and can strike off the adnexed copper granule of reaction intracavity wall, the effectual adnexed copper granule's of reaction intracavity wall condition of having avoided.
2. Flow on the face surface of warping when discharging through the waste liquid, can make the waste liquid that flows promote the live-rollers on the face of warping and rotate, so make the waste liquid that flows can dash the adnexed copper ion of face surface and live-rollers surface and fall, avoided on the face of warping adnexed copper ion be difficult to the condition of cleaing away.
Drawings
FIG. 1 is a schematic structural diagram of an industrial chemical waste liquid copper recovery apparatus according to the present invention.
FIG. 2 is a schematic view of the interior of the reaction chamber according to the present invention.
Fig. 3 is a front view of the scraping mechanism of the present invention.
FIG. 4 is a front view of an extruded block of the present invention.
Fig. 5 is a front view of the cleaning mechanism of the present invention.
Fig. 6 is a front view of the deformed surface of the present invention.
FIG. 7 is a side view of the rotatable roller of the present invention.
FIG. 8 is a side view of the cleaning surface of the present invention.
In the figure: a top cover-1, a waste liquid inlet-2, a reaction cavity-3, a filtering end-4, a bracket-5, a reaction liquid inlet-6, a scraping mechanism-31, a buoyancy block-32, a frame-33, a deforming surface-a 1, an elastic strip-a 2, a linkage block-a 3, an opening and closing splint-a 4, an extrusion block-a 5, a pulling strip-a 6, a fixed block-a 7, a bottom block-a 51, a movable bead-a 52, a clearing mechanism-a 53, a connecting plate-b 1, a plate surface-b 2, a swinging plate-b 3, an elastic sheet-b 4, a contact brush-b 5, a rotating roller-c 1, a baffle-c 2, a plate surface-c 3, a clearing surface-c 11, a movable sheet-c 12, a protective sheet-c 13, a combination ring-c 14, a lower pressing plate-d 1, a water permeable opening-d 2, Water absorption block-d 3, block-d 4.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1-5:
the invention provides an industrial chemical waste liquid copper recovery device which structurally comprises a top cover 1, a waste liquid inlet 2, a reaction cavity 3, a filtering end 4, a support 5 and a reaction liquid inlet 6, wherein the waste liquid inlet 2 is arranged at the right side position of the reaction cavity 3, the filtering end 4 is fixed at the bottom position of the reaction cavity 3, the support 5 is welded with the reaction cavity 3, the reaction liquid inlet 6 penetrates through the inner position of the reaction cavity 3, and the reaction cavity 3 is fixedly embedded at the lower end position of the top cover 1.
Wherein, the scraping mechanism 31 includes a deformation surface a1, an elastic strip a2, a linkage block a3, an opening and closing splint a4, an extrusion block a5, a pulling strip a6 and a fixing block a7, the deformation surface a1 is fixedly connected with the fixing block a7, the elastic strip a2 is installed at the inner position of the linkage block a3, the right side surface of the linkage block a3 is attached to the left side surface of the deformation surface a1, the opening and closing splint a4 is connected with the deformation surface a1, the extrusion block a5 is in clearance fit with the opening and closing splint a4, the opening and closing splint a4 is internally provided with the pulling strip a6, the fixing block a7 is movably engaged with the linkage block a3, the deformation surface a1 is made of spring steel with stronger elasticity, the pushing force generated by the friction with the inner wall of the object when the sliding mechanism is sliding down can make the linkage block a3 swing upwards along the fixing block 7, the linkage block a3 swings upwards and the pressing force generated by the swinging of the inner wall of the linkage block 4 to make the opening and closing splint capable, therefore, the linkage block a3 can smoothly swing upwards, the opening and closing splint a4 is in a triangular structure, and the extrusion block a5 can be attached to the inner wall of the opening and closing splint a4 to slide downwards through the extrusion of the extrusion block a5 when the opening and closing splint a4 is closed, so that the extrusion block a5 can push out copper particles entering the opening and closing splint a 4.
The extruding block a5 comprises a bottom block a51, a movable bead a52 and a clearing mechanism a53, wherein the bottom block a51 is arranged inside the movable bead a52, the clearing mechanism a53 is embedded at the lower end of the bottom block a51, the clearing mechanism a53 is made of corrosion-resistant nitrile rubber, the movable bead a52 can rapidly move on the inner wall of the bottom block a51 through vibration generated by impact between the bottom block a51 and the inner wall of an object during rapid contraction, so that the movable bead a52 can generate impact force on the clearing mechanism a53, and the clearing mechanism a53 can vibrate copper particles on the surface of the clearing mechanism a 3583.
The cleaning mechanism a53 comprises a connecting plate b1, a plate surface b2, a swinging plate b3 and an elastic sheet b4, the plate surface b2 and the connecting plate b1 are of an integrated structure, the swinging plate b3 is hinged with the connecting plate b1, the elastic sheet b4 is installed between the swinging plate b3 and the plate surface b2, the elastic sheet b4 is of a triangular structure, the swinging plate b3 can swing back and forth along the connecting plate b1 under the matching of the elastic sheet b4 through impact force generated by the mechanism and the inner wall of an object, the contact brush b5 is made of nylon with high toughness, and the swinging plate b3 swings back and forth to enable the contact brush b5 to swing so as to swing copper particles with high viscosity attached to the surface of the contact brush.
The detailed use method and action of the embodiment are as follows:
in the invention, because the copper which is converted by neutralizing the copper ions in the industrial chemical waste liquid belongs to a particle shape and has a small volume, after the filtering end 4 filters the waste liquid, partial copper particles are adhered to the inner wall of the reaction cavity 3, so that the neutralized copper can not be completely gathered on the filtering end 4 to be taken out, the scraping mechanism 31 on the reaction cavity 3 can effectively solve the problems, when copper particles are generated after the copper ions in the acidic waste liquid and the alkaline copper-containing waste liquid are neutralized and reacted in the reaction cavity 3 and the waste liquid without the copper ions is discharged, the scraping mechanism 31 can be driven by the buoyancy block 32 to synchronously descend along the inner wall of the frame body 33 according to the descending of the water level of the waste liquid, so that the scraping mechanism 31 can scrape the copper particles adhered to the inner wall of the reaction cavity 3, and the back thrust generated by the friction between the scraping mechanism 31 and the inner wall of the reaction cavity 3 when the scraping mechanism 31 slides downwards, the linkage block a3 on the scraping mechanism 31 can swing upwards along the fixed block a7, the open-close splint a4 can be closed through the upward swing of the linkage block a3 and the extrusion force generated by the inner wall of the reaction chamber 3, so that the linkage block a3 can smoothly swing upwards, the extrusion block a5 can be extruded when the open-close splint a4 is closed, the extrusion block a5 can be attached to the inner wall of the open-close splint a4 to slide downwards, so that the extrusion block a5 can push out copper particles entering the open-close splint a4, and when the scraping mechanism 31 slides to the bottom of the reaction chamber 3 to stop sliding downwards, the linkage block a3 can be pushed by the elastic strip a2 to quickly swing downwards to reset, so that the throwing force generated by resetting of the linkage block a3 can throw off the copper particles scraped and adhered by the scraping mechanism 31, thereby effectively avoiding the situation that the copper particles adhered to the inner wall of the reaction chamber 3 cannot be discharged, and the vibration generated by the impact of the extrusion block a5 and the inner wall of the opening and closing splint a4 when the extrusion block a5 is quickly pulled to contract by the pull-back strip a6 can enable the movable bead a52 to quickly move on the inner wall of the bottom block a51, so that the movable bead a52 can generate impact force on the clearing mechanism a53, the swinging plate b3 on the clearing mechanism a53 can swing back and forth along the connecting plate b1 under the coordination of the elastic sheet b4, and the contact brush b5 can swing, so that copper particles with large viscosity attached to the outer surface of the clearing mechanism a53 can be thrown off, and the situation that the extrusion block a5 can also be synchronously reset when the linkage block a3 is reset is effectively avoided, so that the vibration generated by the resetting of the linkage block a3 cannot easily shake off the copper particles attached to the outer surface of the extrusion block a 5.
Example 2
As shown in fig. 6-8:
the deformation surface a1 comprises a rotating roller c1, a baffle c2 and a plate surface c3, wherein the rotating roller c1 is movably clamped with the baffle c2, the baffle c2 is embedded at the left side and the right side of the plate surface c3, seven rotating rollers c1 are arranged, the seven rotating rollers c1 are uniformly distributed between the two baffles c2 in an arc shape, and the rotating rollers c1 can rotate by flowing on the plate surface c3 when the water level in the mechanism is lowered.
The rotating roller c1 comprises a cleaning surface c11, a movable sheet c12, a protective sheet c13 and a combining ring c14, the cleaning surface c11 and the movable sheet c12 are of an integrated structure, the movable sheet c12 is hinged to the combining ring c14, the protective sheet c13 is installed between two adjacent movable sheets c12, twelve movable sheets c12 are uniformly distributed on the combining ring c14 in a circular shape, the movable sheet c12 can swing along the combining ring c14 by means of thrust generated by water flowing through the cleaning surface c11 to the cleaning surface c11, the protective sheet c13 is of an arc structure and made of spring steel with strong elasticity, the movable sheet c12 can swing back and forth by matching with the water flow, and therefore the water flow can more easily flush copper particles adhered to the cleaning surface c11 and can prevent the copper particles from entering between the two movable sheets c 12.
The cleaning surface c11 comprises a lower pressing plate d1, a water permeable port d2, a water absorbing block d3 and a block d4, the lower pressing plate d1 is hinged to the block d4, the water permeable port d2 and the lower pressing plate d1 are of an integrated structure, the water absorbing block d3 is installed between the block d4 and the lower pressing plate d1, the water absorbing block d3 is made of polyester sponge with high water absorption and can absorb water in waste liquid, the water permeable port d2 is of a trapezoidal structure, the lower pressing plate d1 can swing downwards along the block d4 through thrust generated by water flowing on the upper surface of the lower pressing plate d1 to the lower pressing plate d1, and therefore water extruded by the water absorbing block d3 can be extruded out through the water permeable port d 2.
The detailed use method and action of the embodiment are as follows:
in the invention, when the scraping mechanism 31 scrapes the copper particles adhered to the reaction chamber 3, the copper particles adhered to the deformed surface a1 are not easy to be removed, if the copper particles on the deformed surface a1 accumulate for a long time, the usability of the deformed surface a1 is affected, when the waste liquid is discharged, the waste liquid flows on the surface of the deformed surface a1, the flowing waste liquid can push the rotating roller c1 on the deformed surface a1 to rotate, so that the fluidity of the waste liquid on the plate surface c3 can be enhanced, the flowing waste liquid can flush the copper particles on the plate surface c3, the thrust generated by the flowing waste liquid on the cleaning surface c11 on the rotating roller c1 can enable the movable sheet c12 to swing back and forth under the coordination of the protective sheet c13, so that the water flow can flush the copper particles adhered to the cleaning surface c11 more easily, and the protective sheet c13 can prevent the copper particles from entering between the two movable sheets c12, lead to movable plate c12 to cause the influence to normal swing, it is more to adnexed copper granule on clearance face c11, and it is great to contain more viscidity of moisture, lead to the copper granule can form the copper granule face on clearance face c 11's surface, so that rivers are difficult to rinse clean the copper granule face on clearance face c11, can absorb the moisture in the waste liquid through water absorption piece d3 and store, the thrust that produces lower clamp plate d1 is flowed through clearance face c11 upper surface to the waste liquid, can make lower clamp plate d1 along block d4 downward swing, thereby make the moisture that water absorption piece d3 extrudes through water permeable opening d2, so that the moisture that extrudes can be with the copper granule face that adheres to on clearance face c11 and break away, so that the waste liquid of flowing through can rinse the copper granule after breaking away.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.
Claims (6)
1. The utility model provides an industrial chemistry waste liquid copper recovery plant, its structure includes top cap (1), waste liquid import (2), reaction chamber (3), filter end (4), support (5), reaction liquid import (6), install in the right side position of reaction chamber (3) waste liquid import (2), the bottom position of reaction chamber (3) is fixed in filter end (4), support (5) and reaction chamber (3) weld mutually, reaction liquid import (6) link up in the inside position of reaction chamber (3), its characterized in that: the reaction cavity (3) is embedded and fixed at the lower end of the top cover (1).
2. The industrial chemical waste liquid copper recovery apparatus according to claim 1, characterized in that: the reaction chamber (3) comprises a scraping mechanism (31), a buoyancy block (32) and a frame body (33), the scraping mechanism (31) is in clearance fit with the inner wall of the frame body (33), and the buoyancy block (32) is fixedly connected with the scraping mechanism (31).
3. The industrial chemical waste liquid copper recovery apparatus according to claim 2, characterized in that: scraping mechanism (31) including deformation face (a1), elastic strip (a2), linkage piece (a3), splint (a4) open and shut, extrude piece (a5), pull back strip (a6), fixed block (a7), deformation face (a1) and fixed block (a7) built-in connection, the inside position in linkage piece (a3) is installed in elastic strip (a2), the right side surface of linkage piece (a3) is laminated with deformation face (a1) left side surface, open and shut splint (a4) are connected with deformation face (a1), extrude piece (a5) and open and shut splint (a4) clearance fit, the inside of opening and shutting splint (a4) is equipped with and pulls back strip (a6), fixed block (a7) and linkage piece (a3) activity block.
4. The industrial chemical waste liquid copper recovery apparatus according to claim 3, characterized in that: the extrusion block (a5) comprises a bottom block (a51), a movable bead (a52) and a clearing mechanism (a53), wherein the bottom block (a51) is arranged inside the movable bead (a52), and the clearing mechanism (a53) is embedded and fixed at the lower end of the bottom block (a 51).
5. The industrial chemical waste liquid copper recovery apparatus according to claim 4, characterized in that: the clearing mechanism (a53) comprises a connecting plate (b1), a plate surface (b2), a swinging plate (b3) and an elastic piece (b4), the plate surface (b2) and the connecting plate (b1) are of an integrated structure, the swinging plate (b3) is hinged with the connecting plate (b1), and the elastic piece (b4) is installed between the swinging plate (b3) and the plate surface (b 2).
6. The industrial chemical waste liquid copper recovery apparatus according to claim 3, characterized in that: the deformation surface (a1) comprises a rotating roller (c1), a baffle (c2) and a plate surface (c3), wherein the rotating roller (c1) is movably clamped with the baffle (c2), and the baffle (c2) is embedded and fixed at the left and right sides of the plate surface (c 3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010480759.XA CN111607700A (en) | 2020-05-30 | 2020-05-30 | Industrial chemical waste liquid copper recovery plant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010480759.XA CN111607700A (en) | 2020-05-30 | 2020-05-30 | Industrial chemical waste liquid copper recovery plant |
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| CN111607700A true CN111607700A (en) | 2020-09-01 |
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| CN202010480759.XA Pending CN111607700A (en) | 2020-05-30 | 2020-05-30 | Industrial chemical waste liquid copper recovery plant |
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| CN (1) | CN111607700A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112089335A (en) * | 2020-09-09 | 2020-12-18 | 广州德程机电设备有限公司 | Organic food cleaner |
| CN112221857A (en) * | 2020-10-16 | 2021-01-15 | 广州赢帝工业设计有限公司 | Automatic change point and glue equipment assembly line |
| CN112342570A (en) * | 2020-10-23 | 2021-02-09 | 成都宗星柯商贸有限公司 | Industrial chemical waste liquid copper recovery plant |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112342570A (en) * | 2020-10-23 | 2021-02-09 | 成都宗星柯商贸有限公司 | Industrial chemical waste liquid copper recovery plant |
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