CN1372014A - Method for recovering tin from tin plating, dipping and welding and apparatus thereof - Google Patents

Method for recovering tin from tin plating, dipping and welding and apparatus thereof Download PDF

Info

Publication number
CN1372014A
CN1372014A CN01105413A CN01105413A CN1372014A CN 1372014 A CN1372014 A CN 1372014A CN 01105413 A CN01105413 A CN 01105413A CN 01105413 A CN01105413 A CN 01105413A CN 1372014 A CN1372014 A CN 1372014A
Authority
CN
China
Prior art keywords
tin
liquid
storage tank
recovery
temp
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN01105413A
Other languages
Chinese (zh)
Other versions
CN1263875C (en
Inventor
萧国雄
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CNB011054131A priority Critical patent/CN1263875C/en
Publication of CN1372014A publication Critical patent/CN1372014A/en
Application granted granted Critical
Publication of CN1263875C publication Critical patent/CN1263875C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • 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 method for recovering tin from metal waste material includes the following steps: (1). heating liquid to high-temp. one whose temp. is higher than melting point of tin; (2). soaking the metal waste material with attachment tin in the high-temp. liquid for above 10 min.; (3) using high-temp. liquid to spray-scour the metal waste material to make the tin molten in high-temp. liquid separate from metal waste material; and (4). settling tin, dischjarging, cooling so as to obtain tin product.

Description

Reclaim the method and the device thereof of tin from the metallic scrap of zinc-plated, wicking and scolding tin
The present invention is relevant with tin, particularly a kind of method and device thereof that reclaims tin from the metallic scrap of zinc-plated, wicking and scolding tin.
Tin is rich in ductility because its fusing point only is 232 degree Celsius, and solidity to corrosion is good, therefore often go up zinc-plated, tinfoil, tin-tube, welding etc. for iron plate and be extensive use of, tin is a kind of very important strategic material, especially concerning non-product tinnily, reclaim tin and more seem very important.
The method that at present relevant tin reclaims is as follows:
1. pickling method
To soak with the metallic scrap of tin and be dissolved in the hydrochloric acid, and tin will be dissolved in generate SnCl2 (tin protochloride) solution in the hydrochloric acid, in solution, add aluminium again or zinc is replaced, produce spongy chemical tin and aluminum chloride or zinc chloride.
Wherein this aluminum chloride or zinc chloride promptly become the waste water that easily causes public hazards, and related industries cost of investment and problems such as the treatment facility of waste water and personnel then are that the quite thorny bundle of industry is disturbed the fact.
And the spongy chemical tin that is produced after the above-mentioned displacement, must reheat to handle and remove moisture content and make tin, the smog gas that is evaporated in this heat-treatment process will cause atmospheric pollution again.
So technology and process that above-mentioned useless tin refines are not only loaded down with trivial details, and extremely bother, there is not the economic benefit of recovery.
2. electrolytic process
This method is through the electrolytic tank electrolysis processing treatment with recovery metallic scrap, tin appended on the metallic scrap is decomposed, form on the negative electrode of spongiform chemical tin attached to electrolyzer, the chemical tin of nonmetal tin is taken out, and heating evaporation removal moisture content, heat fused is made tin slab.
Employed electrolytic solution is hydrochloric acid or caustic soda in this kind treatment process, also easily cause public hazards, and the electrochemical equivalent of processing treatment is through about 2.214 grams of actual tests/1 ampere hour, that is electrolysis go out the tin of 2.214 grams must power consumption ampere hours, so the electrochemical machining treating processes is than power consumption, consuming time.
In addition, electrochemical machining equipment price costliness, and also because electrolytic solution has corrodibility, the structure deteriorate rate is fast.
All this all recovery economic benefits of the relevant tin of metallic scrap that causes are unclear, and more difficult attraction industry is invested the recovery of these tin.
The objective of the invention is to propose method and device thereof that a kind of metallic scrap from zinc-plated, wicking and scolding tin reclaims tin, this method and device have the structure letter, control easy characteristics, make the recovery of tin also have the better economic interests for this reason.
The object of the present invention is achieved like this: a kind ofly reclaim the method for tin from the metallic scrap of zinc-plated, wicking or scolding tin, it is characterized in that the step of this method has:
(1) with liquid heat to high-temp liquid with the fusing point that is higher than tin;
(2) metallic scrap that will be attached with tin places said high-temp liquid to soak more than 10 minutes;
(3) spray towards metallic scrap being separated with metallic scrap by the tin that high-temp liquid melts by high-temp liquid with centrifugal separation technique;
(4) tin precipitation, discharging, cooling back obtain tin.
Said liquid is kerosene;
The temperature that said high-temp liquid soaks or the spray gold-attempt belongs in the waste material process should keep perseverance to be higher than the fusing point (232 ℃) of tin;
Implement the device of the method for above-mentioned recovery tin, it is characterized in that this device is by storage tank, whizzer, well heater, pump, transfer lime and recovery tube constitute, the bottom of said storage tank is funnel shaped, its end is provided with bleed valve, well heater can be to the liquid heat in the storage tank, liquid in the storage tank can be pumped to the concentrator bowl that is in the elevated whizzer by pump by transfer lime, said whizzer is by container, engine and concentrator bowl are formed, said container external parcel lagging material, container bottom is provided with outlet, and enter storage tank by the top of storage tank by valve and recovery tube, pass the bottom center of container the rotating shaft sealing of concentrator bowl and link to each other with engine by transmission rig;
Said engine is an electric motor;
Said well heater is an electric heater.
The invention will be further described below in conjunction with embodiment and accompanying drawing thereof.
Fig. 1 is the schematic representation of apparatus that the tin method is reclaimed in enforcement of the present invention.
Among the figure:
1-storage tank 11-periscope hole
12-bleed valve 2-transfer lime
21-pump 3-whizzer
31-container 32-engine
33-recovery tube 34-concentrator bowl
35-outlet 36-valve
37-rotating shaft 38-transmission rig
The 4-well heater
See also shown in Figure 1, the present invention is from zinc-plated, the metallic scrap of wicking and scolding tin reclaims the method and the device thereof of tin, be the storage tank 1 and the well heater 4 (as: electricradiator) of utilization one carrying liquid (hot coal oil), with about liquid heat 280 degree extremely Celsius, can make recovery tin non-sclerous in storage tank 1, the high-temp liquid of storage tank 1 (hot coal oil) is then pumped to whizzer 3 through transfer lime 2 with pump 21, make the metallic scrap in the concentrator bowl 34 of inserting whizzer 3 in advance soaked by high-temp liquid (hot coal oil) 10 to 15 minutes, because of the outside of the container 31 of whizzer 3 is a lagging material, so the temperature perseverance that can effectively continue the maintenance high-temp liquid is higher than the fusing point of tin (232 degree Celsius), makes attached to the tin on the metal and melts.
After immersion treatment, pass through transmission rig 38 by engine 32, rotating shaft 37 drives concentrator bowl 34 rotations of whizzer 3, and cooperate transfer lime 2 continuous spray feed high-temp liquids and the Xi Chong of metallic scrap surface melting is removed, and throw away concentrator bowl 34 in the lump with high-temp liquid, enter in the container 31, open valve 36, tin is by outlet 35, valve 36 is led back the high-temp liquid storage tank 1 from recovery tube 33, because the proportion 7.3 of tin is greater than the proportion 0.85 of liquid (hot coal oil), so sweep away being deposited in the storage tank 1 of tin nature of recovery, through the set periscope hole 11 in storage tank 1 appropriate location inspect and the breakdown of bottom drain valve 12 is controlled, give off tin after the recovery by the bottom, can make tin slab or other tinwork.
After for some time is handled in centrifugation, stop the input of high-temp liquid and the rotation of whizzer 3, after metallic scrap after splendid attire handled is sling from concentrator bowl 34 and is poured over the predetermined position, in concentrator bowl 34, insert the metallic scrap of another batch desire recovery tin again, handling procedures such as immersion, the spray that repeats above-mentioned high-temp liquid medium dashed, centrifugation, precipitation recovery can be in regular turn by the tin in the recovery metallic scrap of criticizing.
The situation of experiment is as follows:
When storage tank 1 Heating temperature is 270 ℃～290 ℃, temperature is 240 ℃～260 ℃ in the container 31, metallic scrap soaks more than 10 minutes, the high-temp liquid spray is 300～500 meters/minute towards speed, flow be the 400-500 liter/minute, the rotating speed of concentrator bowl 34 is 900～1000 rev/mins, can handle a collection of metallic scrap in about 30 minutes, each about 300～500 liters of the metallic scrap of processing.This shows that method and apparatus of the present invention is practicable.
In sum, the recovery method of tin of the present invention has following advantages as can be known:
1. equipment is simplified, and cost of investment is low, and the recovery economic benefit of tin is higher.
2. simple to operation, tin reclaims rapidly.
3. can effectively reclaim tin, prevent the waste of tin in the scrap metal.
4. processing is processed institute and must the time be saved more than ten times than electrolysis.
5. in the process, the generation of the public hazards such as no waste water, waste gas.

Claims (6)

1. one kind is reclaimed the method for tin from the metallic scrap of zinc-plated, wicking and scolding tin, it is characterized in that the step of this method has:
(1) with liquid heat to high-temp liquid with the fusing point (232 ℃) that is higher than tin;
(2) metallic scrap that will be attached with tin places said high-temp liquid to soak more than 10 minutes;
(3) spray towards metallic scrap being separated with metallic scrap by the tin that high-temp liquid melts by high-temp liquid with centrifugal separation technique;
(4) tin precipitation, discharging, cooling back obtain tin.
2. the method for recovery tin according to claim 1 is characterized in that said liquid is kerosene.
3. according to the method for the described recovery tin of claim, it is characterized in that the temperature that said high-temp liquid soaks or the spray gold-attempt belongs in the waste material process should keep perseverance to be higher than the fusing point (232 ℃) of tin.
4. implement the device of the method for claim 1 or 2 or 3 described recovery tin, it is characterized in that this device is by storage tank (1), whizzer (3), well heater (4), pump (21), transfer lime (2) and recovery tube (33) constitute, the bottom of said storage tank (1) is funnel shaped, its end is provided with bleed valve (12), well heater (4) can be to the liquid heat in the storage tank (1), liquid in the storage tank (1) can be pumped to the concentrator bowl that is in elevated whizzer (3) (34) by pump (21) by transfer lime (2), said whizzer (3) is by container (31), engine (32) and concentrator bowl (34) are formed, said container (31) external parcel lagging material, container (31) bottom is provided with outlet (35), and entering storage tank (1) by the top of storage tank (1) by valve (36) and recovery tube (33), the rotating shaft (37) of concentrator bowl (34) is passed the bottom center of container (31) hermetically and is linked to each other with engine (32) by transmission rig (38).
5. the device of recovery tin according to claim 4 is characterized in that said engine (32) is an electric motor.
6. the device of recovery tin according to claim 4 is characterized in that said well heater (4) is an electric heater.
CNB011054131A 2001-02-23 2001-02-23 Method for recovering tin from tin plating, dipping and welding and apparatus thereof Expired - Fee Related CN1263875C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB011054131A CN1263875C (en) 2001-02-23 2001-02-23 Method for recovering tin from tin plating, dipping and welding and apparatus thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB011054131A CN1263875C (en) 2001-02-23 2001-02-23 Method for recovering tin from tin plating, dipping and welding and apparatus thereof

Publications (2)

Publication Number Publication Date
CN1372014A true CN1372014A (en) 2002-10-02
CN1263875C CN1263875C (en) 2006-07-12

Family

ID=4654492

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB011054131A Expired - Fee Related CN1263875C (en) 2001-02-23 2001-02-23 Method for recovering tin from tin plating, dipping and welding and apparatus thereof

Country Status (1)

Country Link
CN (1) CN1263875C (en)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101937742A (en) * 2010-09-10 2011-01-05 北京科技大学 Method and device for separating and recovering metallic copper and tin in tinplating copper rice
CN102002594A (en) * 2010-12-17 2011-04-06 赖小洪 Method for recycling tin
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
CN102676824A (en) * 2011-11-15 2012-09-19 王应龙 Electronic pin copper-tin-iron separation device and electronic pin copper-tin-iron separation method
CN104328286A (en) * 2014-11-12 2015-02-04 铜陵有色金属集团铜冠建筑安装股份有限公司 Method for extracting pure tin from tinning waste slag
CN105409346A (en) * 2013-02-07 2016-03-16 格林里昂集团有限公司 Removal of electronic chips and other components from printed wire boards using liquid heat media
CN105567971A (en) * 2014-10-06 2016-05-11 上海奇谋能源技术开发有限公司 Process for separating copper and welded tin mixture through physical method
CN106683800A (en) * 2017-01-04 2017-05-17 长沙汇聚环境技术有限公司 Recycling method of scrap tinned copper rice
CN106702159A (en) * 2015-07-29 2017-05-24 上海奇谋能源技术开发有限公司 Method for separating copper-soldering tin mixture and device for achieving method
CN106811606A (en) * 2017-01-04 2017-06-09 长沙汇聚环境技术有限公司 A kind of its recovery method as resource of useless tin-coated copper rice
CN106898438A (en) * 2017-01-04 2017-06-27 长沙汇聚环境技术有限公司 A kind of its recovery method as resource of useless tinned wire
CN107002174A (en) * 2014-11-12 2017-08-01 丹尼斯·亚历山德罗维奇·韦图尔金 Apparatus and method for reclaiming tin-lead solder from discarded object
CN107716514A (en) * 2017-10-30 2018-02-23 仁新设备制造（四川）有限公司 For circuit board component detin equipment

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100467634C (en) * 2007-06-13 2009-03-11 汤盛文 Method for recovering tin from tin-plating wastes and special heating turnace thereof

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN102086490B (en) * 2009-12-08 2012-09-05 亚旭电子科技(江苏)有限公司 Method for separating tin slag
CN101937742B (en) * 2010-09-10 2012-05-09 北京科技大学 Method and device for separating and recovering metallic copper and tin in tinplating copper
CN101937742A (en) * 2010-09-10 2011-01-05 北京科技大学 Method and device for separating and recovering metallic copper and tin in tinplating copper rice
CN102002594A (en) * 2010-12-17 2011-04-06 赖小洪 Method for recycling tin
CN102002594B (en) * 2010-12-17 2012-09-19 赖小洪 Method for recycling tin
CN102676824A (en) * 2011-11-15 2012-09-19 王应龙 Electronic pin copper-tin-iron separation device and electronic pin copper-tin-iron separation method
CN102676824B (en) * 2011-11-15 2014-06-18 王应龙 Electronic pin copper-tin-iron separation device and electronic pin copper-tin-iron separation method
CN105409346A (en) * 2013-02-07 2016-03-16 格林里昂集团有限公司 Removal of electronic chips and other components from printed wire boards using liquid heat media
CN105567971A (en) * 2014-10-06 2016-05-11 上海奇谋能源技术开发有限公司 Process for separating copper and welded tin mixture through physical method
CN105567971B (en) * 2014-10-06 2018-04-13 上海奇谋能源技术开发有限公司 The technique that Physical separates copper and scolding tin mixture
CN104328286A (en) * 2014-11-12 2015-02-04 铜陵有色金属集团铜冠建筑安装股份有限公司 Method for extracting pure tin from tinning waste slag
CN107002174A (en) * 2014-11-12 2017-08-01 丹尼斯·亚历山德罗维奇·韦图尔金 Apparatus and method for reclaiming tin-lead solder from discarded object
EP3219816A4 (en) * 2014-11-12 2018-06-27 Vtulkin, Denis Aleksandrovich Device and method for recovering tin-lead solder from scrap
CN106702159A (en) * 2015-07-29 2017-05-24 上海奇谋能源技术开发有限公司 Method for separating copper-soldering tin mixture and device for achieving method
CN106683800A (en) * 2017-01-04 2017-05-17 长沙汇聚环境技术有限公司 Recycling method of scrap tinned copper rice
CN106811606A (en) * 2017-01-04 2017-06-09 长沙汇聚环境技术有限公司 A kind of its recovery method as resource of useless tin-coated copper rice
CN106898438A (en) * 2017-01-04 2017-06-27 长沙汇聚环境技术有限公司 A kind of its recovery method as resource of useless tinned wire
CN106811606B (en) * 2017-01-04 2018-10-26 吴剑辉 A kind of recovery method as resource of useless tin-coated copper rice
CN106898438B (en) * 2017-01-04 2019-03-12 滑县恒琢信息科技有限公司 A kind of recovery method as resource of useless tinned wire
CN107716514A (en) * 2017-10-30 2018-02-23 仁新设备制造（四川）有限公司 For circuit board component detin equipment
CN107716514B (en) * 2017-10-30 2024-03-08 仁新设备制造（四川）有限公司 De-tin equipment for circuit board components

Also Published As

Publication number Publication date
CN1263875C (en) 2006-07-12

Similar Documents

Publication Publication Date Title
CN1263875C (en) Method for recovering tin from tin plating, dipping and welding and apparatus thereof
CN1269995C (en) Fin stripping system with feedback control of water treatment and acid reusing system
CN102002594B (en) Method for recycling tin
CN101049929A (en) Technical method for electrorefining diamond
CN209612365U (en) The filtering and purifying of solid inclusions in a kind of removal fused salt
CN1760383A (en) Vacuum distillation method for separating aluminium element from mixed metals in worn-out printing circuit board
CN1693495A (en) Method of purifying aluminium alloy melt
CN1817518A (en) Production of metal zinc powder from zinc dust and zinc dross
CN104775036A (en) Method for recovering noble metal from waste titanium anodes with noble metal coatings
CN86102633A (en) The technological process of purifying lithium and equipment
CN1235819C (en) Device for melting or purfying of inorganic substances
CN103451667A (en) Depainting method for waste metal packaging container
CN101067168A (en) Method for recovering tin from tin-plating wastes and special heating turnace thereof
CN1108314A (en) System to re-circulate treatment material in processes of surface treatment and finishing
CN117107044A (en) Salt bath quenching tempering heat treatment process method for spring steel wire
CN101012557A (en) Technology for solving hydrogen sulphide corrosion of pipe drilling tool and pump during oil gas dislodging
Kammel et al. Zinc electrowinning from flue dusts at a secondary copper smelter and connected adhesion problems of the metal deposits
Treasure Electrolytic zinc recovery in the EMEW cell
CN1565759A (en) Technique and device for chemical cleansing steel wire surface
CN101570867A (en) Process for reclaiming a contaminated electrolyte from an electrolytic cell used in the production of gaseous fluorine
CN1760386A (en) Vacuum distillation method for separating cadmium element from mixed metals in worn-out printing circuit board
US7288170B2 (en) Process for producing a ready-to-use electrolyte
JP6690048B1 (en) Vanadium recovery method
CN208553677U (en) A kind of active carbon processing waste gas purification apparatus
RU2171721C2 (en) Method of article surface treatment and device for its embodiment

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee