CN103627913B - Purification and recovery method for tin slag and recovery apparatus - Google Patents
Purification and recovery method for tin slag and recovery apparatus Download PDFInfo
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- CN103627913B CN103627913B CN201210299057.7A CN201210299057A CN103627913B CN 103627913 B CN103627913 B CN 103627913B CN 201210299057 A CN201210299057 A CN 201210299057A CN 103627913 B CN103627913 B CN 103627913B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Abstract
The invention provides a purification and recovery method for tin slag and a recovery apparatus. According to the invention, the method comprises the following main points: tin slag is heated in a heating tank of a tin furnace, a reducing agent is added to reduce tin slag liquid into reduced tin liquid, the reduced tin liquid is filtered and then overflows out from the tin furnace through a tin overflowing hole located below the level of the reduced tin liquid, so the tin slag is rapidly purified and recovered, and it is guaranteed that the generated reduced tin liquid is pure and not contaminated. The invention further provides the recovery apparatus for the tin slag. The apparatus comprises the heating tank of the tin furnace, an outer circular pipe arranged in the heating tank and an inner circular barrel arranged in the outer circular pipe, wherein the inner circular barrel is used for storing a reducing agent, and impurities and the tin slag liquid in the heating tank enter into the inner circular barrel through holes in a filter plate at the bottom of inner circular barrel so as to interact with the reducing agent in the inner circular barrel, thereby obtaining the reduced tin liquid not containing impurities. The main objective of the invention is to overcome the problem that a machine member gets stuck by large granule tin slag and has difficulty in actuation in a conventional method for recovery of the tin slag through extrusion and scraping.
Description
Technical field
A kind of scruff method for purifying and recovering, espespecially scruff liquid is reduced into reduction tin liquor with reductive agent by one, and reclaims reduction tin liquor fast by the excessive tin hole lower than its liquid level after filtering, guarantees the pure not contaminated method of reduction tin liquor.
Background technology
Along with science and technology is flourish, people grow with each passing day for the degree of dependence of electronic product, and especially in military and people's livelihood electronics industry, the quality for the configuration of printed circuit board (PCB) (PCB), miniature spare part and multifunctional circuit is more focused on, therefore, various countries' relevant manufactures, such as U.S. Electrovert, Japan spring field Tamuna, Japanese Koki, Japanese Yoshida, Taiwan day Chinese toon motor, German Vitronics Soltec, Canadian Cofin, the company such as Singapore CEM, Dutch Harris, the molten tin liquor welding set of constantly improvement and method, finally before 30 ~ 40 years so far, a kind of wave tin-dipping stove and welding technique is developed, so as to printed circuit board (PCB) and the electronic components of a large amount of production high-quality, but, in the course of processing, tin liquor surface can be oxidized because of ingress of air and form useless scruff (stannic oxide, not molten tin, Oxide solder & Dross), even if add nitrogen to reduce the situation of ingress of air, the tin liquor of 20 ~ 30% will be had to be oxidized formation scruff, be attached on facility element or circuit card, produce dry joint, missing solder, lead foot overlaps, tin point waits the problem of rack of fusion, even affect the normal operation of facility, for avoiding aforementioned circumstances, then must the scruff on tin liquor surface be skimmed timing, but also the pure tin liquid of attachment together can be pulled out while pulling scruff out, cause the waste of tin liquor, therefore practitioner thinks and useless scruff is reclaimed reduction recycling, at the existing Practical Operation reclaimed scruff, dealer unanimously adopts mechanical double-screw high temperature hot pressing to extrude journey and equipment, but is separated not easily with pure tin liquid because of scruff, does not therefore find better scruff recovery method so far yet.
Refer to Fig. 1, it is the operation schematic diagram of an existing machinery scruff recycling machine shown in figure, mechanical scruff recycling machine 10 as shown in the figure, it comprises the tin stove 11 in hollow form, tin stove 11 can for taking up scruff and tin liquor, one first cylinder 12 is provided with in it, two screw rod 13 and one second cylinders 14, one end of first cylinder 12 is provided with a scruff scraping blade 121, in order to proportion is lower and the scruff floating over tin liquor surface pushes two screw rods 13 to, the turning direction of two screw rods 13 is contrary, and scruff can be involved in extruding and become tin ash, and make tin ash float on molten tin liquor surface, second cylinder 14 one end is provided with a tin ash scraping blade 141, in order to the tin ash floating on molten tin liquor surface is struck off, it is made to fall into a tin ash box 15 bottom tin stove 11, so, to extrude, the method struck off removes most scruff impurity, and the molten tin liquor making impurity reduce flows to one outside tin stove 11 via overflow port connects tin box 16 and store, but existing machinery scruff recycling machine still immaturity in use, in operational process, scruff scraping blade 121, tin ash scraping blade 141 and screw rod 13 can deposit scruff, form macrobead scruff gradually, facility element is caused often to be blocked by macrobead scruff and be difficult to start, necessary shutdown maintenance, except removing and changing except new parts, has no other way, moreover the position High Temperature Working environment especially of contiguous tin stove 11, if just must shut down and skim scruff for every 1 ~ 2 hour, can increase man-hour and human cost virtually, and for staff not pleasure see.
In addition, even if mechanical scruff recycling machine 10 can strike off most impurity in molten tin liquor, but be limited to existing processing technology and QC ability, and coarse theoretical basis, the composition of 65 ~ 75% is still had to be unoxidized pure tin liquid in the tin ash struck off, if be used as offal treatment can form the wasting of resources, if but directly reclaim melting recycling, again can because of the impurity wherein up to 25 ~ 35%, cause the roughness (Roughness scale) of molten tin liquor, stickiness (Viscosity scale) raises, and the problem such as lubricity (Lubrication scale) reduction, this molten tin liquor containing a large amount of impurity not only weldability is not enough, even serious harm can make the Reliability of product.
Moreover, also there is another significant problem in existing mechanical scruff recycling machine 10, be its twin screw chain drive-belt and move nonsynchronous phenomenon, because existing mechanical scruff recycling machine 10 utilizes a motor 17 to drive the mode of two chains 171 to rotate to drive aforementioned two screw rods 13, therefore when two chains 171 wear away unequal, its translational speed is just inconsistent, form chain 171 and produce jitter in movement, cause pressing separating tin slag granular size difference or fastener shutdown maintenance ratio higher, make the extrusion of scruff and tin ash strike off operational difficulties and time-consuming, even often have and keep in repair shutdown for a long time, cause the situation of pure tin output of fluid deficiency.
Known in sum, further impr-vement of the present invention, be the scruff method for purifying and recovering how designing a kind of innovation, not only can meet the demand of fast purification and recovery scruff, and can owing to adding the chemical process of reductive agent, make scruff liquid reduce and generate pure reduction tin liquor, reclaim scruff with the physical method avoiding existing machinery scruff recycling machine to strike off to extrude, cause facility element to be blocked the problem being difficult to run by macrobead scruff.
Summary of the invention
Because above-mentioned problem, the present inventor is the experience according to being engaged in relevant industries and product design for many years, and carry out studying and analyzing for the structure of scruff recycling machine and recovery process, the phase can design preferably scruff recovery method; Edge this, main purpose of the present invention is to provide one can reclaim scruff by fast purification, guarantees the pure not contaminated scruff method for purifying and recovering of reduction tin liquor generated and the device implementing this method.
The present invention mainly heats scruff liquid and adds reductive agent in the heating tank of a tin stove, make scruff liquid reduce and generate molten state reduction tin liquor, and make pure reduction tin liquor overflow the overflow of tin hole to outside tin stove via lower than one of its liquid level, to reach effect of fast purification and recovery scruff, because impurity all swims in the liquid level of molten state reduction tin liquor, therefore can stay in tin stove and not flow out with reduction tin liquor, therefore can guarantee that the reduction tin liquor generated is pure not contaminated.
In order to achieve the above object, scruff Recovery Purifying equipment of the present invention, its technical scheme is as follows:
A kind of scruff Recovery Purifying equipment, includes:
A tin stove, forms a heating tank in it, and for putting and heating scruff to form scruff liquid, the cell wall of this heating tank is provided with at least one excessive tin hole;
An outer pipe, in hollow form, and is placed in this heating tank, and this outer level attitude of pipe bottom and the bottom surface of heating tank maintain a determining deviation;
An interior drum, is placed in this outer pipe, and for putting the reductive agent reduction of scruff liquid being generated reduction tin liquor, this inner circle bottom of the barrel is provided with screen plate, and the hole on this screen plate can pass through for this reduction tin liquor, scruff liquid, impurity;
A upper cover plate, covers at this tin furnace top surface, is provided with one group of agitating vane below upper cover plate, and this group agitating vane stretches in this interior drum.
Above-mentioned scruff Recovery Purifying equipment, the level attitude of this outer pipe bottom is lower than this position, excessive tin hole.
Above-mentioned scruff Recovery Purifying equipment, the level attitude of this screen plate is lower than this position, excessive tin hole.
Above-mentioned scruff Recovery Purifying equipment, still comprises a upper sealing plate, and this upper sealing plate is located between this upper cover plate and this tin stove, and this upper sealing plate and this outer pipe top Joint, this upper sealing plate is provided with an opening be connected with this outer pipe.
Above-mentioned scruff Recovery Purifying equipment, this upper sealing plate is made up of stainless steel or titanium alloy material, and the end face of its shape and structure and this tin stove matches.
Above-mentioned scruff Recovery Purifying equipment, this interior drum top is pivoted with a carrying handle, and this carrying handle can be reclined to this interior drum end face by rotation.
Above-mentioned scruff Recovery Purifying equipment, this upper cover plate is provided with one and closely connects sensor, and this closely connects the change that sensor responds to this upper cover plate and this tin furnace top surface distance, and the running of this group agitating vane of corresponding control and giving the alarm.
The invention still further relates to a kind of scruff method for purifying and recovering, its concrete technical scheme is as follows:
Use the scruff method for purifying and recovering of aforesaid device, its step includes:
Heating steps: inserted by scruff in the heating tank of tin stove, heat this heating tank, makes this scruff be melt into scruff liquid;
Insert step: be placed in the outer pipe of this tin stove by an interior drum, this interior drum mid-enter reductive agent, this reductive agent can make this tin slag reduction of infiltrating in this this interior drum and generate reduction tin liquor;
Whipping step a: cover plate is covered at this tin furnace top surface, the motor started on this cover plate stirs the mixture in this interior drum to drive one group of agitating vane to rotate, and makes this reduction tin liquor flow in this heating tank by this interior drum; And
Overflow step: this reduction tin liquor flows out outside this tin stove via the excessive tin hole of this heating tank.
Above-mentioned scruff method for purifying and recovering, in this spilling step, this reduction tin liquor flows out after outside this tin stove via the excessive tin hole of this heating tank, flows into one and connects in tin box.
Above-mentioned scruff method for purifying and recovering, in this spilling step, this reduction tin liquor flows out after outside this tin stove via the excessive tin hole of this heating tank, flows in a crest tin stove.
For the effect after making object of the present invention, technical characteristic and enforcement thereof can be more clearly understood, accompanying drawing of hereby arranging in pairs or groups in the following instructions is described, and please consult.
Accompanying drawing explanation
Fig. 1 is the operation schematic diagram of existing machinery scruff recycling machine.
The combination schematic diagram of the scruff Recovery Purifying equipment that Fig. 2 applies for the present invention.
The schematic perspective view of the scruff Recovery Purifying equipment that Fig. 3 applies for the present invention.
The illustrative view of the scruff Recovery Purifying equipment that Fig. 4 applies for the present invention.
Fig. 5 is flow chart of steps of the present invention.
[main element nomenclature]
10 mechanical scruff recycling machine 11 tin stove 12 first cylinder 13 screw rods
121 scruff scraping blade 15 tin ash box 14 second cylinder 17 motors
141 tin ash scraping blade 171 chains 16 connect tin box 2 scruff Recovery Purifying equipment
Drum 211 heating tank 221 screen plate in 21 tin stoves 22
212 excessive tin hole 222 carrying handle 213 tin-guiding tube 214 upper sealing plates
23 outer pipe 2141 openings 25 reduce tin liquor 24 upper cover plate
26 connect tin box 241 agitating vane 27 crest boiler 242 motor
28 control panels 243 closely connect sensor 281 external power source 101 heating steps
102 insert step 103 whipping step 104 overflows step.
Embodiment
Refer to Fig. 2, the combination schematic diagram of the scruff Recovery Purifying equipment applied for the present invention shown in figure, method of the present invention is that the scruff Recovery Purifying equipment 2 applied as shown in the figure completes, scruff Recovery Purifying equipment 2 mainly comprises a tin stove 21, scruff heating and melting can be become the scruff liquid containing impurity by the heating tank 211 in tin stove 21, drum 22 in one is equipped with in heating tank 211, interior drum 22 can discharge reductive agent, make scruff liquid be reduced agent and be reduced into reduction tin liquor 25, and make impurity be suspended in the liquid level of reduction tin liquor 25, heating tank 211 inwall is provided with an excessive tin hole 212 lower than the position of the liquid level of reduction tin liquor 25, make reduction tin liquor 25 can flow out outside tin stove 21 via excessive tin hole 212, so, because impurity all swims in the liquid level of scruff liquid 25, therefore can stay in tin stove 21 and not flow out with reduction tin liquor 25, therefore can guarantee that the reduction tin liquor 25 generated is pure not contaminated.
Refer to Fig. 2 again, and please arrange in pairs or groups and consult Fig. 3, the schematic perspective view of the scruff Recovery Purifying equipment applied for the present invention shown in figure, as shown in Figures 2 and 3, scruff Recovery Purifying equipment 2 mainly comprises a tin stove 21, one outer pipe 23, drum 22 and a upper cover plate 24 in one, wherein be formed with a heating tank 211 in tin stove 21, heating tank 211 is for putting scruff, and scruff heating and melting can be become the scruff liquid containing impurity, outer pipe 23 is in hollow form, and be placed in heating tank 211, the outer level attitude of pipe 23 bottom and the bottom surface of heating tank 211 maintain a spacing, and lower than position, excessive tin hole 212, interior drum 22 is hung in outer pipe 23, for storing and release reductive agent, a screen plate 221 is provided with bottom interior drum 22, hole on screen plate 221 can for scruff liquid, impurity and reductive agent circulation, wherein scruff liquid can discharge by interior drum 22 reductive agent reduction generate reduction tin liquor 25, impurity then can the reductive agent constant absorption that discharges by interior drum 22 and the coated liquid level being suspended in reduction tin liquor 25, stannic oxide is produced to prevent reduction tin liquor 25 to contact with air, separately, in actual applying, interior drum 22 top is still pivoted with a carrying handle 222, and carrying handle 222 can be reclined to interior drum 22 end face by rotation, or drum 22 in being gripped by operator and proposing in outer pipe 23.
Refer to Fig. 4, the illustrative view of the scruff Recovery Purifying equipment applied for the present invention shown in figure, as shown in the figure, scruff Recovery Purifying equipment 2 still comprises a upper cover plate 24, upper cover plate 24 covers at tin stove 21 end face, one group of agitating vane 241 is provided with below upper cover plate 24, group agitating vane 241 rotates by the driving of a motor 242, and can stretch in interior drum 22 to stir, when impurity and scruff liquid, the hole on filter plate 221 enters interior drum 22, and during with reductive agent interaction in interior drum 22, group agitating vane 241 can rotate to stir in interior drum 22, make scruff liquid, impurity and reductive agent mix equably, so, it is low that proportion due to impurity comparatively reduces tin liquor 25, therefore the liquid level of reduction tin liquor 25 can be floated on, add that the hole on screen plate 221 can limit lower (the Specific Gravity of proportion, S.G) impurity flow velocity, even if cause only a few impurity by the hole on screen plate 221, also can moment by arround the higher reduction tin liquor 25 of proportion extrude and lose dive kinetic energy, make impurity upwards buoyance lift and cannot by screen plate 221 fast, the reduction tin liquor 25 only having proportion higher outwards can flow out by bottom interior drum 22 and outer pipe 23, therefore the higher reduction tin liquor 25 of proportion is also only had can to overflow outside tin stove 21 via excessive tin hole 212 and tin-guiding tube 213, moreover, because the level attitude of screen plate 221 and outer pipe 23 bottom is all lower than position, excessive tin hole 212, therefore the lower impurity of proportion is caused mutually cannot to circulate between interior drum 22 and outer pipe 23 completely, and the reduction tin liquor 25 only having proportion higher can flow in heating tank 211 by interior drum 22 and outer pipe 23, and the cell wall of heating tank 211 is formed with an excessive tin hole 212, excessive tin hole 212 communicates with a tin-guiding tube 213, so, when the liquid level of reduction tin liquor 25 is increased to gradually higher than 212 position, excessive tin hole, reduction tin liquor 25 can flow to one outside tin stove 21 via excessive tin hole 212 and tin-guiding tube 213 and connect tin box 26 or a crest boiler 27, to collect pure reduction tin liquor, be convenient to later use, so can intercept low-gravity impurity thoroughly, effective reduction its be mixed into high specific gravity reduction tin liquor 25 possibility.
Refer to Fig. 4 again, in the present embodiment, scruff Recovery Purifying equipment 2 still comprises a upper sealing plate 214, and upper sealing plate 214 is made up of stainless steel or titanium alloy material, and is located between upper cover plate 24 and tin stove 21, the configuration of upper sealing plate 214 and the end face of tin stove 21 match, an opening 2141 on it communicates in outer pipe 23, and with outer pipe 23 top Joint, in order to outer pipe 23 is fixed in heating tank 211, so, scruff can be inserted heating tank 211 via opening 2141 by user, separately, one side of the contiguous heating tank 211 of upper cover plate 24 is provided with one and closely connects sensor 243, when upper cover plate 24 is raised completely, closely connect sensor 243 will be touched, and then stop the running of motor 242 and start counting, send a warning to remind operator simultaneously, and when upper cover plate 24 tegmentum returns tin stove 21 end face, closely connect sensor 243 will again be touched, and then starter motor 242 also counts again, and send a warning, so, get final product the number of times that programming count adds scruff, and remind operator by stopping motor 242 to operate and send a warning, operator is avoided accidentally to be involved in device, or avoid foreign matter to drop and pollute the reduction tin liquor 25 in heating tank 211.
Hold, scruff Recovery Purifying equipment 2 still comprises a control panel 28, control panel 28 is electrically connected with external power source 281 phase, and heating tank 211 and closely connect sensor 243 and be all electrically connected with control panel 28 phase, so, user, namely by control panel 28, adjusts intensification and the cooling of heating tank 211, or via the display data of viewing control panel 28, that learns the opening/closing frequency of upper cover plate 24 and scruff according to this adds indegree.
Refer to shown in Fig. 4 and Fig. 5, Fig. 5 is flow chart of steps of the present invention, and scruff method for purifying and recovering of the present invention comprises the following steps:
(101) heat: a scruff is inserted in the heating tank 211 of a tin stove 21, heating tank 211 is heated, make scruff melted by heating become to contain the scruff liquid of impurity;
(102) insert: drum 22 in is hung in the outer pipe 23 of tin stove 21, in interior drum 22, inserts a reductive agent, make scruff liquid and impurity flow in interior drum 22 via the screen plate 221 bottom interior drum 22;
(103) stir: a upper cover plate 24 is covered at tin stove 21 end face, start a motor 242 on upper cover plate to drive one group of agitating vane 241 Stirring scruff liquid and reductive agent, to produce a reduction tin liquor 25; And
(104) overflow: reduction tin liquor 25 is flowed out outside tin stove 21 by an excessive tin hole 212 of heating tank 211.
Known in sum, the present invention mainly chemically heats scruff liquid and reduces in the heating tank of a tin stove, make scruff liquid reduce and generate reduction tin liquor, and make reduction tin liquor overflow the overflow of tin hole to outside tin stove by lower than one of its liquid level after filtering, pure reduction tin liquor free from foreign meter can be obtained, accordingly, after method of the present invention is implemented according to this, really can reach fast purification and reclaim scruff, guaranteeing the pure not contaminated technique effect of reduction tin liquor generated.
As described above; be only preferred embodiment of the present invention; and be not used to limit scope of the invention process; anyly have the knack of this those skilled in the art; do not depart from the equalization done under spirit of the present invention and scope change with modify; all should be covered by equalization change of the present invention and modify, all should be covered by protection scope of the present invention.
Claims (10)
1. a scruff Recovery Purifying equipment, its feature comprises:
A tin stove, forms a heating tank in it, and for putting and heating scruff to form scruff liquid, the cell wall of this heating tank is provided with at least one excessive tin hole;
An outer pipe, in hollow form, and is placed in this heating tank, and this outer level attitude of pipe bottom and the bottom surface of heating tank maintain a determining deviation;
An interior drum, is placed in this outer pipe, and for putting the reductive agent reduction of scruff liquid being generated reduction tin liquor, this inner circle bottom of the barrel is provided with screen plate, and the hole on this screen plate can pass through for this reduction tin liquor, scruff liquid, impurity;
A upper cover plate, covers at this tin furnace top surface, is provided with one group of agitating vane below upper cover plate, and this group agitating vane stretches in this interior drum.
2. scruff Recovery Purifying equipment as claimed in claim 1, it is characterized in that, the level attitude of this outer pipe bottom is lower than this position, excessive tin hole.
3. scruff Recovery Purifying equipment as claimed in claim 1 or 2, it is characterized in that, the level attitude of this screen plate is lower than this position, excessive tin hole.
4. scruff Recovery Purifying equipment as claimed in claim 1, it is characterized in that, still comprise a upper sealing plate, this upper sealing plate is located between this upper cover plate and this tin stove, and this upper sealing plate and this outer pipe top Joint, this upper sealing plate is provided with an opening be connected with this outer pipe.
5. scruff Recovery Purifying equipment as claimed in claim 4, it is characterized in that, this upper sealing plate is made up of stainless steel or titanium alloy material, and the end face of its shape and structure and this tin stove matches.
6. scruff Recovery Purifying equipment as claimed in claim 1, it is characterized in that, this interior drum top is pivoted with a carrying handle, and this carrying handle can be reclined to this interior drum end face by rotation.
7. scruff Recovery Purifying equipment as claimed in claim 1, it is characterized in that, this upper cover plate is provided with one and closely connects sensor, and this closely connects the change that sensor responds to this upper cover plate and this tin furnace top surface distance, and the running of this group agitating vane of corresponding control and giving the alarm.
8. use a scruff method for purifying and recovering for equipment described in any one of claim 1-7, its step comprises:
Heating steps: inserted by scruff in the heating tank of tin stove, heat this heating tank, makes this scruff be melt into scruff liquid;
Insert step: be placed in the outer pipe of this tin stove by an interior drum, this interior drum mid-enter reductive agent, this reductive agent can make this tin slag reduction of infiltrating in this this interior drum and generate reduction tin liquor;
Whipping step a: cover plate is covered at this tin furnace top surface, the motor started on this cover plate stirs the mixture in this interior drum to drive one group of agitating vane to rotate, and makes this reduction tin liquor flow in this heating tank by this interior drum; And
Overflow step: this reduction tin liquor flows out outside this tin stove via the excessive tin hole of this heating tank.
9. scruff method for purifying and recovering as claimed in claim 8, is characterized in that, in this spilling step, this reduction tin liquor flows out after outside this tin stove via the excessive tin hole of this heating tank, flows into one and connects in tin box.
10. scruff method for purifying and recovering as claimed in claim 8, is characterized in that, in this spilling step, this reduction tin liquor flows out after outside this tin stove via the excessive tin hole of this heating tank, flows in a crest tin stove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210299057.7A CN103627913B (en) | 2012-08-21 | 2012-08-21 | Purification and recovery method for tin slag and recovery apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210299057.7A CN103627913B (en) | 2012-08-21 | 2012-08-21 | Purification and recovery method for tin slag and recovery apparatus |
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| CN103627913A CN103627913A (en) | 2014-03-12 |
| CN103627913B true CN103627913B (en) | 2014-12-31 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105695766A (en) * | 2015-12-31 | 2016-06-22 | 贵州栢通科技有限责任公司 | Solder splash treating device of high-frequency transformer |
| CN111197120B (en) * | 2018-11-16 | 2022-05-24 | 理翰应用科技有限公司 | Hanging furnace type tin soldering slag chemical purification and recovery equipment and operation method thereof |
| CN111197122B (en) * | 2018-11-16 | 2022-10-11 | 理翰应用科技有限公司 | Trolley type chemical purification and recovery equipment for soldering tin slag and operation method thereof |
| CN111455190B (en) * | 2019-01-21 | 2022-10-11 | 上海大学 | Device and method for purifying and microalloying metal melt |
| CN116240396B (en) * | 2023-02-22 | 2023-09-01 | 绍兴金冶环保科技有限公司 | Method for producing tin ingot by recycling tin-containing waste |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101603131A (en) * | 2009-06-26 | 2009-12-16 | 深圳创维－Rgb电子有限公司 | A kind of tin dross separating and reclaiming device |
| CN102086490A (en) * | 2009-12-08 | 2011-06-08 | 亚旭电子科技(江苏)有限公司 | Method for separating tin slag |
-
2012
- 2012-08-21 CN CN201210299057.7A patent/CN103627913B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101603131A (en) * | 2009-06-26 | 2009-12-16 | 深圳创维－Rgb电子有限公司 | A kind of tin dross separating and reclaiming device |
| CN102086490A (en) * | 2009-12-08 | 2011-06-08 | 亚旭电子科技(江苏)有限公司 | Method for separating tin slag |
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