CN105586492A - Waste mercury recovery and purification device and use method thereof - Google Patents
Waste mercury recovery and purification device and use method thereof Download PDFInfo
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- CN105586492A CN105586492A CN201610154903.4A CN201610154903A CN105586492A CN 105586492 A CN105586492 A CN 105586492A CN 201610154903 A CN201610154903 A CN 201610154903A CN 105586492 A CN105586492 A CN 105586492A
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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
- C22B7/005—Separation by a physical processing technique only, e.g. by mechanical breaking
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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
- C22B43/00—Obtaining mercury
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
Abstract
The invention discloses a waste mercury recovery and purification device and a use method thereof. The waste mercury recovery and purification device comprises a control mechanism, a vibration sieving mechanism and a filtering and solution storage mechanism. According to the invention, waste mercury solution can be purified through combination and adjustment, thus generation of toxic wastes is reduced, the inventory rate of hazardous wastes is decreased, the cost of experimental materials is reduced, and the usage rate of mercury is increased; the traditional purification method is broken through, and an organic solvent and high-temperature operation or low-temperature operation are not required, thus the purification method is expanded; high-strength polytetrafluoroethylene plastic is used, thus the support strength is ensured, and moreover, the high-strength polytetrafluoroethylene plastic is corrosion-resistant, free from reacting with mercury, light in weight, and convenient to move and carry; and in the invention, a physical sieving method is utilized, and has the advantages of being high in safety, high in purification effect, simple in equipment and method, low in cost, convenient to move, convenient to operate, easy to popularize and use, and the like compared with the existing purification technologies of vacuum distillation, acid-base washing, and the like.
Description
Technical field
The present invention relates to laboratory services field, relate in particular to a kind of Novel waste mercury and reclaim purifying plant and user thereofMethod.
Background technology
According to GBT21650.1-2008 " mercury injection method and gas determination of adsorption method solid material pore-size distribution and porosity the 1stPart: mercury injection method " utilize non-infiltration dielectric tests microcellular structure, wherein experiment being required with mercury is that analysis is pure, differenceThe mercury injection apparatus of type, as the mercury use of the each test of the instrument such as ThermoScientific, Quantachrome is at least6 grams. In the testing process of laboratory, mainly there is following problem at present:
1, each test microvia structure sample, will produce a large amount of useless mercury, brings puzzlement to actual testing;
2, each user finishes experiment, all will ceaselessly clear up pipeline, collects useless mercury, carefully deposits to double twin-lockExperiment cabinet in.
3, because useless mercury belongs to danger wastes, need to there is specialized company to reclaim, but this class small lot of picture laboratoryStock keeping unit, not professional institution's recovery of visiting.
4, pure mercury belongs to hazardous chemical, and its complex manufacturing technology is expensive, peril of transportation.
5, by constantly buying new pure mercury, cleaning useless mercury, this way is both uneconomical, dangerous again.
Therefore, the recycling of mercury in laboratory, both can save experimental cost, can reduce again bazardous wasteProduce, and reduce the harm of human body is become to problem demanding prompt solution in use procedure.
Summary of the invention
The technical problem to be solved in the present invention is the defect that overcomes prior art, provide a kind of useless mercury reclaim purifying plant andUsing method, does not relate to the experimental facilities such as any chemical reagent, high temperature, low temperature, easy to operate, is easy to promote the use of.
In order to solve the problems of the technologies described above, the invention provides following technical scheme:
A kind of useless mercury of the present invention reclaims purifying plant, comprises controlling organization, vibrating screen mechanism and filtration liquid storage mechanism;
Described controlling organization comprises pounder and is arranged on the fixed platform of described pounder bottom, the table of described controlling organizationFace is arranged with switch, LCDs, operating frequency knob, working time in parallel knob and emergency stop switch is set, described inThe bottom of fixed platform is parallel is fixed with two overall fixed bars, between described overall fixed bar by upper strata fixing hoop,Middle level fixing hoop is connected with bottom support bar, and prop up described upper strata fixing hoop, described middle level fixing hoop and described bottomBetween strut and described overall fixed bar, fix by upper strata fixed part, middle level fixed part and bottom fixed part respectively, described inThe bottom of entirety fixed bar is fixed on base by overall fixed bar nut, and one end of described base is circumscribed with power plugHead;
Described vibrating screen mechanism comprises seal cover and the sieve bucket of shaking, the top of the sieve bucket that shakes described in described seal cover is arranged on, described in shakeThe inside of sieve bucket is arranged with the accurate sieve of mesh standard sieve, mesh standard sieve and first object in parallel, described in the shake bottom of sieve bucket be provided withLeakage fluid dram switch;
Described filtration liquid storage mechanism includes liquid interface, upper water-out mouth and lower accepting water mouth, described in enter liquid interface and insert described mistakeThe top of filter liquid storage mechanism, described upper water-out mouth is arranged on the top of filtering liquid storage mechanism, and described lower accepting water mouth was arranged onThe middle part of filter liquid storage mechanism, the bottom of described filtration liquid storage mechanism is provided with draining switch, the end of described filtration liquid storage mechanismPortion is fixed on the bottom of filtering liquid storage mechanism base, and the inside of described filtration liquid storage mechanism is provided with the second mesh standard sieve.
As a preferred technical solution of the present invention, described in the shake surface of sieve bucket be provided with visual window.
As a preferred technical solution of the present invention, the surface of described filtration liquid storage mechanism is provided with lower visual window.
As a preferred technical solution of the present invention, described in enter liquid interface by high-strength polytetrafluoroethyl-ne plastic tube and rowLiquid mouth switch connects.
As a preferred technical solution of the present invention, all and liquid in described vibrating screen mechanism and described filtration liquid storage mechanismAll make with high-strength polytetrafluoroethyl-ne plastics at the position of contact.
As a preferred technical solution of the present invention, described vibrating screen mechanism by circuit connect respectively described switch, described inLCDs, described operating frequency knob, described working time arrange knob and described emergency stop switch.
Useless mercury reclaims the using method of purifying plant, comprises following operating procedure,
Step 1, start, pours the useless mercury mixture testing into the sieve bucket that shakes, and builds seal cover;
Step 2, operating frequency knob and working time on adjusting control mechanism arrange knob, and working time and work are setWorking frequency, instrument brings into operation, the motion of vibrating screen mechanism up-and-down reciprocating;
Step 3, after the sieve that shakes finishes, the screening situation of every one deck in visual window in observation, while having residue or mercury solution to exist,The operation of repeating step one and step 2, until residue or mercury solution disappear, completes purification process.
The beneficial effect that the present invention reaches is: this useless mercury reclaims purifying plant and using method is passed through vibratory sieve and solidDetermine combination and the adjusting of device, the useless mercury solution of can purifying, reduces and produces toxic waste, the storehouse that has reduced danger wastesDeposit rate, reduce experiment material cost, improved the utilization rate of mercury; Standard screen below has sufficient space can store mercury solution,And standard screen all can fixedly secure, can not turn on one's side because of strenuous vibration, with the sieve bucket secure seal of shaking, can not leakLiquid phenomenon; Upper water-out mouth and lower accepting water mouth all have filtration piston, place mercury solution outflow, can limit deionization current simultaneouslySpeed, makes deionized water Uniform Flow; Break through traditional method of purification, do not needed with an organic solvent, do not needed extraBe equipped with high temperature or low-temperature operation equipment, expanded the method for purification scope of application, equipment is simplified; Adopt high strength polytetrafluoroethyl-neAlkene plastics, has ensured support strength, and high-strength polytetrafluoroethyl-ne plastic corrosion-resisting, do not react with mercury, and heavyAmount is light, is convenient to move and carry.
Brief description of the drawings
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for description, with enforcement of the present inventionExample one is used from explanation the present invention, is not construed as limiting the invention. In the accompanying drawings:
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is controlling organization structural representation of the present invention;
Fig. 3 is vibrating screen mechanism structural representation of the present invention;
Fig. 4 is filtration liquid storage mechanism structural representation of the present invention;
In figure: 100, controlling organization; 101, pounder; 102, fixed platform; 103, switch; 104, liquid crystalShow screen; 105, operating frequency knob; 106, the working time arranges knob; 107, emergency stop switch; 108, upper strata is fixedPortion; 109, upper strata fixing hoop; 110, middle level fixed part; 111, middle level fixing hoop; 112, bottom fixed part;113, bottom support bar; 114, overall fixed bar; 115, overall fixed bar nut; 116, base; 117, power supplyPlug; 200, vibrating screen mechanism; 201, seal cover; 202, shake and sieve bucket; 203,100 mesh standard sieves; 204,200 ordersStandard screen; 205, the one 250 mesh standard sieve; 206, upper visual window; 207, leakage fluid dram switch; 300, filter liquid storageMechanism; 301, enter liquid interface; 302, upper water-out mouth; 303, lower visual window; 304, lower accepting water mouth; 305, second250 mesh standard sieves; 306, draining switch; 307, filter liquid storage mechanism base.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that preferred enforcement described hereinExample only, for description and interpretation the present invention, is not intended to limit the present invention.
Embodiment 1
As Figure 1-4, useless mercury of the present invention reclaims purifying plant, comprises controlling organization 100, vibrating screen mechanism 200 andFilter liquid storage mechanism 300;
Controlling organization 100 comprises pounder 101 and is arranged on the fixed platform 102 of pounder 101 bottoms, controlling organization100 surface is arranged with the setting of switch 103, LCDs 104, operating frequency knob 105, working time in parallel and revolvesButton 106 and emergency stop switch 107, the bottom of fixed platform 102 is parallel is fixed with two overall fixed bars 114, and entirety is solidBetween fixed pole 114, be connected upper strata by upper strata fixing hoop 109, middle level fixing hoop 111 and bottom support bar 113Between fixing hoop 109, middle level fixing hoop 111 and bottom support bar 113 and overall fixed bar 114, pass through respectively upperLayer fixed part 108, middle level fixed part 110 and bottom fixed part 112 are fixing, and the bottom of overall fixed bar 114 is by wholeBody fixed bar nut 115 is fixed on base 116, and one end of base 116 is circumscribed with attaching plug 117;
Vibrating screen mechanism 200 comprises seal cover 201 and the sieve bucket 202 that shakes, and seal cover 201 is arranged on the top of the sieve bucket 202 that shakes,The shake inside of sieve bucket 202 is arranged with 100 mesh standard sieve 203,200 mesh standard sieve the 204 and the 1 target standards in parallelSieve 205, the bottom of the sieve bucket 202 that shakes is provided with leakage fluid dram switch 207;
Filter liquid storage mechanism 300 and include liquid interface 301, upper water-out mouth 302 and lower accepting water mouth 304, enter liquid interface 301Insert the top of filtering liquid storage mechanism 300, upper water-out mouth 302 is arranged on the top of filtering liquid storage mechanism 300, lower accepting waterMouth 304 is arranged on the middle part of filtering liquid storage mechanism 300, and the bottom of filtering liquid storage mechanism 300 is provided with draining switch 306,The bottom of filtering liquid storage mechanism 300 is fixed on the bottom of filtering liquid storage mechanism base 307, in filtration liquid storage mechanism 300Portion is provided with the 2 250 mesh standard sieve 305.
The shake surface of sieve bucket 202 is provided with visual window 206. The surface of filtering liquid storage mechanism 300 is provided with lower visual window303. Entering liquid interface 301 is connected with leakage fluid dram switch 207 by high-strength polytetrafluoroethyl-ne plastic tube. Vibrating screen mechanism 200All make with high-strength polytetrafluoroethyl-ne plastics with the filtration interior all positions that contact with liquid of liquid storage mechanism 300. Vibrating sieving machineStructure 200 is distinguished connecting valve 103, LCDs 104, operating frequency knob 105, working time setting by circuitKnob 106 and emergency stop switch 107.
Concrete, controlling organization part: pounder 101, for impacting the seal cover 201 on vibrating screen mechanism 200, makes itBy fixed frequency up-down vibration, in the time that pounder 101 is worked, upper strata fixed part 108, upper strata fixing hoop 109, inLayer fixed part 110, middle level fixing hoop 111, bottom fixed part 112, bottom support bar 113 will with vibrating screen mechanism 200Together by the motion of frequency up-and-down reciprocating is set; Switch 103 is for the duty of start and stop vibrating screen mechanism 200; Liquid crystalShow that screen 104 can show current operating frequency and working time; Operating frequency knob 105 can be controlled vibrating screen mechanism 200The frequency of up-and-down reciprocating motion; Working time arranges knob 106 and can control vibrating screen mechanism 200 up-and-down reciprocating motionsWorking time; Emergency stop switch 107 is for the emergent stopping of emergency situations;
Vibrating screen mechanism part: the interior wall thickness of vibrating screen mechanism 200, can stablize its inner liquid and acutely rock, can not leakLiquid phenomenon; Seal cover 201 seals the sieve bucket 202 that shakes of whole vibrating screen mechanism 200; The one 250 mesh standard sieve 205 belowsThere is sufficient space can store mercury solution; Standard screen all can with sieve bucket 202 secure seal of shaking, can be because of strenuous vibration generation sideTurn over and the phenomenon of leakage. Upper visual window 206 can be observed the liquid condition of inner each layer, optionally standard of replacement sieve; Discharge opeingMouth switch 207, by connecting high-strength polytetrafluoroethyl-ne plastic tube, is transported to liquid to filter in liquid storage mechanism 300;
Filter liquid storage mechanism part: enter liquid interface 301 and can pass through high-strength polytetrafluoroethyl-ne plastic tube and leakage fluid dram switch207 connect, and liquid is transported to and is filtered in liquid storage mechanism 300, and upper water-out mouth 302 is connected high-strength with lower accepting water mouth 304Degree polytetrafluoroethylplastic plastic pipe, filters liquid storage mechanism 300 supernatant liquids, upper water-out mouth 302 by circulation deionized water rinsingAll there is filtration piston with lower accepting water mouth 304, prevent mercury solution outflow, can limit deionized water flow velocity, make deionization simultaneouslyWater Uniform Flow; Draining switch 306 can be infused in the container not reacting with mercury, and it is firm that draining switch 306 seals;Filter liquid storage mechanism base 307 and support filtration liquid storage mechanism 300, it is fixed on base 116, can freely pull down.
This useless mercury reclaims purifying plant by combining and regulating, and the useless mercury solution of can purifying reduces and produces toxic waste, fallsThe low stock-sales ratio of danger wastes, reduces experiment material cost, has improved the utilization rate of mercury; Break through traditional purification sideMethod, without the need for machine solvent, high temperature or low-temperature operation, has expanded method of purification; Adopt high-strength polytetrafluoroethyl-ne plastics,Ensure support strength, and high-strength polytetrafluoroethyl-ne plastic corrosion-resisting, do not react with mercury, lightweight, be convenient to moveMove and carry.
The useless mercury of the present invention reclaims the using method of purifying plant, comprises following operating procedure:
Step 1, start, pours the useless mercury mixture testing into the sieve bucket 202 that shakes, and builds seal cover 201;
Step 2, operating frequency knob 105 and working time on adjusting control mechanism 100 arrange knob 106, arrangeWorking time and operating frequency, instrument brings into operation, the motion of vibrating screen mechanism up-and-down reciprocating;
Step 3, after the sieve that shakes finishes, in observation, the screening situation of every one deck in visual window 206, has residue or mercury solution to depositTime, the operation of repeating step one and step 2, until residue or mercury solution disappear, completes purification process. Urgent when occurringWhen situation, can press danger button cease operation.
Leakage fluid dram switch 207 on vibrating screen mechanism 200, by connecting high-strength polytetrafluoroethyl-ne plastic tube, is carried liquidTo filtering in liquid storage mechanism 300. Upper visual window 206 can be observed the liquid condition of inner each layer, optionally standard of replacementSieve.
The upper water-out mouth 302 that filters liquid storage mechanism 300 is connected high-strength polytetrafluoroethyl-ne plastic tube with lower accepting water mouth 304,Filter liquid storage mechanism 300 supernatant liquids by circulation deionized water rinsing, upper water-out mouth 302 and lower accepting water mouth 304 all haveFilter piston, prevent mercury solution outflow, can limit deionized water flow velocity, make deionized water Uniform Flow simultaneously. Mercury solution mistakeIn filter liquid storage mechanism, leave standstill and pile up, it is firm that draining switch 306 seals, and can in the container not reacting with mercury, infuse, logicalCrossing high strength polytetrafluoroethylplastic plastic container shifts new mercury and uses to laboratory analytical instrument. By atomic fluorescence analysis instrumentTest, the purity of new mercury all can reach 99%, meets the primary demand of Thermo mercury injection apparatus.
Finally it should be noted that: the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention,Although the present invention is had been described in detail with reference to previous embodiment, for a person skilled in the art, it stillThe technical scheme that can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to and is replacedChange. Within the spirit and principles in the present invention all, any amendment of doing, be equal to replacement, improvement etc., all should be included inWithin protection scope of the present invention.
Claims (7)
1. useless mercury reclaims a purifying plant, it is characterized in that, comprises controlling organization (100), vibrating screen mechanism (200)With filtration liquid storage mechanism (300);
Described controlling organization (100) comprises pounder (101) and is arranged on the fixing of described pounder (101) bottomPlatform (102), the surface of described controlling organization (100) be arranged with in parallel switch (103), LCDs (104),Operating frequency knob (105), working time arrange knob (106) and emergency stop switch (107), described fixed platform (102)Parallel two the overall fixed bars (114) that are fixed with in bottom, between described overall fixed bar (114), fix by upper strataClip (109), middle level fixing hoop (111) and bottom support bar (113) are connected, described upper strata fixing hoop (109),Between described middle level fixing hoop (111) and described bottom support bar (113) and described overall fixed bar (114), divideTong Guo upper strata fixed part (108), middle level fixed part (110) and bottom fixed part (112) fixing, described entirety is solidIt is upper that the bottom of fixed pole (114) is fixed on base (116) by overall fixed bar nut (115), described base (116)One end be circumscribed with attaching plug (117);
Described vibrating screen mechanism (200) comprises seal cover (201) and the sieve bucket (202) that shakes, and described seal cover (201) is establishedPut at the top of the described sieve bucket (202) that shakes, described in shake the inside of sieve bucket (202) be arranged with in parallel 100 mesh standard sieves (203),200 mesh standard sieves (204) and the one 250 mesh standard sieve (205), described in the shake bottom of sieve bucket (202) be provided with rowLiquid mouth switch (207);
Described filtration liquid storage mechanism (300) includes liquid interface (301), upper water-out mouth (302) and lower accepting water mouth (304),Described enter liquid interface (301) top of inserting described filtration liquid storage mechanism (300), described upper water-out mouth (302) is establishedPut at the top of filtering liquid storage mechanism (300), described lower accepting water mouth (304) is arranged on and filters liquid storage mechanism (300)Middle part, the bottom of described filtration liquid storage mechanism (300) is provided with draining switch (306), described filtration liquid storage mechanism(300) bottom is fixed on the bottom of filtering liquid storage mechanism base (307), described filtration liquid storage mechanism (300)Inside is provided with the 2 250 mesh standard sieve (305).
2. the useless mercury of one according to claim 1 reclaims purifying plant, it is characterized in that, described in the sieve bucket (202) that shakesSurface be provided with visual window (206).
3. the useless mercury of one according to claim 1 reclaims purifying plant, it is characterized in that described filtration liquid storage mechanism(300) surface is provided with lower visual window (303).
4. the useless mercury of one according to claim 1 reclaims purifying plant, it is characterized in that, described in enter liquid interface (301)Be connected with leakage fluid dram switch (207) by high-strength polytetrafluoroethyl-ne plastic tube.
5. the useless mercury of one according to claim 1 reclaims purifying plant, it is characterized in that described vibrating screen mechanism (200)All make with high-strength polytetrafluoroethyl-ne plastics with all positions that contact with liquid in described filtration liquid storage mechanism (300).
6. reclaim purifying plant according to claim 1 or the useless mercury of 2 or 5 arbitrary described one, it is characterized in that, described inVibrating screen mechanism (200) connects respectively described switch (103), described LCDs (104), described work by circuitWorking frequency knob (105), described working time arrange knob (106) and described emergency stop switch (107).
7. useless mercury reclaims the using method of purifying plant, it is characterized in that: comprise following operating procedure,
Step 1, start, pours the useless mercury mixture testing into the sieve bucket (202) that shakes, and builds seal cover (201);
Step 2, operating frequency knob (105) and working time on adjusting control mechanism (100) arrange knob (106),Working time and operating frequency are set, and instrument brings into operation, the motion of vibrating screen mechanism up-and-down reciprocating;
Step 3, after the sieve that shakes finishes, in visual window in observation (206), the screening situation of every one deck, has residue or mercuryWhen liquid exists, the operation of repeating step one and step 2, until residue or mercury solution disappear, completes purification process.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610154903.4A CN105586492B (en) | 2016-03-17 | 2016-03-17 | A kind of useless mercury reclaims purifying plant |
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| CN201610154903.4A CN105586492B (en) | 2016-03-17 | 2016-03-17 | A kind of useless mercury reclaims purifying plant |
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| CN105586492B CN105586492B (en) | 2017-07-18 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106053293A (en) * | 2016-08-05 | 2016-10-26 | 江苏三联安全评价咨询有限公司 | Novel industrial powder bulk density testing device and method |
| CN113604674A (en) * | 2021-08-23 | 2021-11-05 | 云南金鼎锌业有限公司 | Synergistic waste mercury regeneration technology and soaking precipitation pool thereof |
| CN114990361A (en) * | 2022-08-05 | 2022-09-02 | 北京博朗德科技有限公司 | Multistage filter-pressing membrane-breaking mercury purification device and method under normal temperature condition |
| CN115011819A (en) * | 2022-08-05 | 2022-09-06 | 北京博朗德科技有限公司 | Multistage filter-pressing rupture of membranes mercury purification device |
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| CN204289354U (en) * | 2014-10-08 | 2015-04-22 | 刘蕾 | Reclaim the device of the mercury in worn-out fluorescent tube |
| CN205398694U (en) * | 2016-03-17 | 2016-07-27 | 江苏三联安全评价咨询有限公司 | Purification device is retrieved to useless mercury |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106053293A (en) * | 2016-08-05 | 2016-10-26 | 江苏三联安全评价咨询有限公司 | Novel industrial powder bulk density testing device and method |
| CN113604674A (en) * | 2021-08-23 | 2021-11-05 | 云南金鼎锌业有限公司 | Synergistic waste mercury regeneration technology and soaking precipitation pool thereof |
| CN114990361A (en) * | 2022-08-05 | 2022-09-02 | 北京博朗德科技有限公司 | Multistage filter-pressing membrane-breaking mercury purification device and method under normal temperature condition |
| CN115011819A (en) * | 2022-08-05 | 2022-09-06 | 北京博朗德科技有限公司 | Multistage filter-pressing rupture of membranes mercury purification device |
| CN115011819B (en) * | 2022-08-05 | 2022-10-28 | 北京博朗德科技有限公司 | Multistage filter-pressing rupture of membranes mercury purification device |
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| CN105586492B (en) | 2017-07-18 |
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Address after: 210000 No. 2200 Chengxin Avenue, Jiangning District, Nanjing, Jiangsu. Patentee after: Suzhou Branch Group (Jiangsu) Safety Science Research Institute Co., Ltd. Address before: 211112 No. 2200 Chengxin Avenue, Jiangning District, Nanjing, Jiangsu. Patentee before: Jiangsu three safety evaluation Advisory Co., Ltd |
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| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 210000 No.8 Fuchunjiang East Street, Jianye District, Nanjing City, Jiangsu Province Patentee after: Suzhou Branch Group (Jiangsu) Safety Science Research Institute Co.,Ltd. Address before: 210000 No. 2200 Chengxin Avenue, Jiangning District, Nanjing, Jiangsu. Patentee before: Suzhou Branch Group (Jiangsu) Safety Science Research Institute Co.,Ltd. |