CN107107073B - Heavy metal piece-rate system - Google Patents
Heavy metal piece-rate system Download PDFInfo
- Publication number
- CN107107073B CN107107073B CN201680005178.2A CN201680005178A CN107107073B CN 107107073 B CN107107073 B CN 107107073B CN 201680005178 A CN201680005178 A CN 201680005178A CN 107107073 B CN107107073 B CN 107107073B
- Authority
- CN
- China
- Prior art keywords
- magnetic powder
- heavy metal
- magnetite
- stirred tank
- rodlike
- 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.)
- Expired - Fee Related
Links
- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 123
- 239000006247 magnetic powder Substances 0.000 claims abstract description 163
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 146
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims abstract description 118
- 239000002253 acid Substances 0.000 claims abstract description 43
- 238000001556 precipitation Methods 0.000 claims description 69
- 230000005291 magnetic effect Effects 0.000 claims description 51
- 239000000463 material Substances 0.000 claims description 46
- 230000008929 regeneration Effects 0.000 claims description 31
- 238000011069 regeneration method Methods 0.000 claims description 31
- 239000006228 supernatant Substances 0.000 claims description 29
- 238000003756 stirring Methods 0.000 claims description 25
- 230000005347 demagnetization Effects 0.000 claims description 20
- 239000007859 condensation product Substances 0.000 claims description 18
- 238000004064 recycling Methods 0.000 claims description 16
- 239000013049 sediment Substances 0.000 claims description 15
- 239000000126 substance Substances 0.000 claims description 14
- 230000007246 mechanism Effects 0.000 claims description 13
- 238000007667 floating Methods 0.000 claims description 11
- 229910052710 silicon Inorganic materials 0.000 claims description 10
- 239000010703 silicon Substances 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 4
- 230000005415 magnetization Effects 0.000 claims description 4
- 229920006395 saturated elastomer Polymers 0.000 claims description 4
- 230000004907 flux Effects 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 2
- 239000000843 powder Substances 0.000 abstract description 14
- 230000009471 action Effects 0.000 abstract description 11
- 238000000926 separation method Methods 0.000 abstract description 9
- 238000011084 recovery Methods 0.000 abstract description 4
- 239000000243 solution Substances 0.000 description 28
- 238000000034 method Methods 0.000 description 13
- 150000003839 salts Chemical class 0.000 description 10
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 9
- 239000010865 sewage Substances 0.000 description 7
- 239000008235 industrial water Substances 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 238000012958 reprocessing Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 230000007935 neutral effect Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000009987 spinning Methods 0.000 description 5
- 239000008399 tap water Substances 0.000 description 5
- 235000020679 tap water Nutrition 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 4
- 239000004568 cement Substances 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 238000005342 ion exchange Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000010802 sludge Substances 0.000 description 4
- 238000007711 solidification Methods 0.000 description 4
- 230000008023 solidification Effects 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 229910052791 calcium Inorganic materials 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 230000002964 excitative effect Effects 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- 229910017604 nitric acid Inorganic materials 0.000 description 3
- 238000004381 surface treatment Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000002156 adsorbate Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- UCNNJGDEJXIUCC-UHFFFAOYSA-L hydroxy(oxo)iron;iron Chemical compound [Fe].O[Fe]=O.O[Fe]=O UCNNJGDEJXIUCC-UHFFFAOYSA-L 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 229910021331 inorganic silicon compound Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000009279 wet oxidation reaction Methods 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
- B01F27/73—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with rotary discs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/005—Pretreatment specially adapted for magnetic separation
- B03C1/01—Pretreatment specially adapted for magnetic separation by addition of magnetic adjuvants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/28—Magnetic plugs and dipsticks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
- C02F1/62—Heavy metal compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention provide a heavy metal species piece-rate system, can be used magnetic powder and low cost and expeditiously by object to be processed heavy metal separate and recover.Heavy metal component in object to be processed is adsorbed in magnetic powder by the heavy metal piece-rate system 100,200, and heavy metal component is transferred to sour water slot 40 together with magnetic powder by magnetite portion 60.Also, the adsorbed state of magnetic powder and heavy metal component is released by the acid solution in sour water slot 40, and magnetropism powder recoverer 70 is discharged, and detaches heavy metal component with magnetic powder in the magnetic powder recoverer 70.Also, it, can be inexpensive and expeditiously by the heavy metal separation and recovery in the object to be processed of incinerator ash etc. by these functional actions.
Description
Technical field
The present invention relates in a kind of object to be processed to the incinerator ash of waste, lower water treatment sludge, sewage etc.
The heavy metal piece-rate system that contained heavy metal component is detached.
Background technology
In the incinerator ash of household garbage or industrial waste, lower water treatment sludge, other waste sludge, sewage etc.
In, there is the situation containing heavy metals such as zinc, copper, manganese, lead, cadmium, chromium.Also, these heavy metals may make natural environment or health
At harmful effect, directly fill or not preferred as recycling.Thus, for example having through the method for theing cement solidifies or dissolving solidification method
It is handled Deng to the incinerator ash etc. containing heavy metal.However, the cement solidifies has heavy metal component because of acid rain in recent years
The possibility of dissolution.In addition, due to dissolving solidification high-temperature process, therefore it is of high cost, what in addition the heavy metal of some volatilized asks
Topic.About these problems, following [patent documents 1], which disclose, a kind of to be related to separating and recovering heavy metal component using magnetic powder
The invention of method.
Existing technical literature
Patent document
Patent document 1：No. 4861718 bulletin of Japanese Unexamined Patent Publication
Invention content
Problem to be solved by the invention
However, [patent document 1] only describes the separation and recovery method of the heavy metal component using magnetic powder, about it is low at
Originally the system composition of heavy metal component separation and recovery and is expeditiously had no into specific record.
The present invention completes in view of the foregoing, and it is an object of the present invention to provide a heavy metal species piece-rate system, uses magnetic powder
And low cost and expeditiously by object to be processed heavy metal separate and recover.
The solution to the problem
About the present invention,
By (1) one heavy metal species piece-rate system 100 of offer, to solve the above subject.It is characterized in that, having：It stirs
Slot 30 is mixed, has agitating unit 32, stirs magnetic powder and the object to be processed containing heavy metal component in water；Processed material precipitates
Portion 34 is set to the lower section of the stirred tank 30；Stirred tank opening/closing unit 36 makes processed material precipitation portion 34 and the stirring
It is opened and closed between slot 30；Sediment in processed material precipitation portion 34 is discharged processed material discharge unit；Sour water slot 40, storage acid
Property solution；Magnetic powder precipitation portion 44 is set to the lower section of the sour water slot 40；Sour water slot opening/closing unit 46, makes the magnetic powder
It is opened and closed between precipitation portion 44 and the sour water slot 40；Magnetic powder discharge unit will be deposited in the magnetic in magnetic powder precipitation portion 44
Property powder is discharged together with heavy metal component；Magnetite portion 60 can come in and go out in the stirred tank 30 and sour water slot 40 thus will be described
Magnetic powder is attached together with one magnetize of heavy metal component；Transfer unit 66 transfers the magnetite portion 60；Demagnetization unit 80, described in releasing
The magnetic in magnetite portion 60 is attached and the magnetic powder falls off together with heavy metal component in the acid solution in the sour water slot 40
In；And magnetic powder recoverer 70, magnetic powder is detached from the sediment being discharged by the magnetic powder discharge unit,
The magnetite portion 60 has：Multiple rodlike magnetites 62；Maintaining part 64 makes the multiple rodlike magnetite 62 vacate regulation
Gap and vertical direction arrange fix.
By (2) one heavy metal species piece-rate system 200 of offer, to solve the above subject.It is characterized in that, having：1st
Stirred tank 30, has agitating unit 32, stirs the object to be processed containing heavy metal component in water；Processed material precipitation portion 34,
It is set to the lower section of the 1st stirred tank 30；Stirred tank opening/closing unit 36 makes processed material precipitation portion 34 be stirred with the described 1st
It mixes and is opened and closed between slot 30；Sediment in processed material precipitation portion 34 is discharged processed material discharge unit；Discharge unit, by institute
The supernatant stated in the 1st stirred tank 30 is sent out；2nd stirred tank 31 has agitating unit 33 and will be sent out from the discharge unit
Supernatant and magnetic powder stir；Magnetite portion 60, the 2nd stirred tank 31 that can come in and go out are interior thus by the magnetic powder together with a huge sum of money
It is attached to belong to one magnetize of ingredient；Transfer unit 66 transfers the magnetite portion 60；Sour water slot 40, the magnetite portion 60 can come in and go out；Demagnetization list
Member 80, the magnetic for releasing the magnetite portion 60 are attached and the magnetic powder falls off together with heavy metal component in the sour water slot 40
In interior acid solution；Magnetic powder precipitation portion 44 is set to the lower section of the sour water slot 40；Sour water slot opening/closing unit 46, makes institute
It states and is opened and closed between magnetic powder precipitation portion 44 and the sour water slot 40；Magnetic powder discharge unit will be deposited in magnetic powder precipitation portion
Magnetic powder in 44 is discharged together with heavy metal component；And magnetic powder recoverer 70, from passing through the magnetic powder discharge unit
Magnetic powder is detached in the sediment of discharge,
The magnetite portion 60 has：Multiple rodlike magnetites 62；Maintaining part 64 makes the multiple rodlike magnetite 62 vacate regulation
Gap and vertical direction arrange fix.
By heavy metal piece-rate system 100 of the offer (3) as recorded in above-mentioned (1), to solve the above subject.Its feature
It is there is regeneration sink 50, which stores the supernatant in stirred tank 30, and is gone by putting into coagulator
After condensation product, it is sent to the stirred tank 30.
By heavy metal piece-rate system 100 of the offer (4) as recorded in above-mentioned (1), to solve the above subject.Its feature
It is, rodlike magnetite 62 is arranged until 80%~90% position of the interior shape size of stirred tank 30, and with 5cm~50cm's
Arranged at equal intervals are fixed.
By heavy metal piece-rate system 200 of the offer (5) as recorded in above-mentioned (2), to solve the above subject.Its feature
Be, rodlike magnetite 62 be arranged until 80%~90% position of the interior shape size of the 2nd stirred tank 31, and with 5cm~
The arranged at equal intervals of 50cm are fixed.
By heavy metal piece-rate system 100,200 of the offer (6) as recorded in above-mentioned (1) or (2), to solve above-mentioned class
Topic.It is characterized in that, saturated magnetization amount of the magnetic powder in the 398kA/m of load magnetic field is 10Am2/ kg~300Am2/kg。
By heavy metal piece-rate system 100,200 of the offer (7) as recorded in above-mentioned (1) or (2), to solve above-mentioned class
Topic.It is characterized in that, rodlike magnetite 62, which is side, has the permanet magnet that the flux density in the attached face of magnetic is 100G~20000G,
Demagnetization unit 80 has：The pluggable sheath 82 of the rodlike magnetite 62；By the sheath 82 from the rodlike magnetic
The disassembly mechanism 84 that stone 62 pulls away,
In the state that the rodlike magnetite 62 is accommodated in sheath 82, by the magnetic powder in slot together with heavy metal component
Magnetic invests 82 surface of the sheath, and in the state of the acid solution in being impregnated in sour water slot 40, is pulled away from the sheath 82
Rodlike magnetite 62 and to release magnetic attached, to make the magnetic powder fall off in the sour water slot 40.
By heavy metal piece-rate system 100,200 of the offer (8) as recorded in above-mentioned (1) or (2), to solve above-mentioned class
Topic.It is characterized in that, rodlike magnetite 62 is electromagnet, and demagnetization unit 80 will beat ON/OFF to the energization of the rodlike magnetite 62
The switching mechanism 88 closed.
By heavy metal piece-rate system 100,200 of the offer (9) as recorded in above-mentioned (1) or (2), to solve above-mentioned class
Topic.It is characterized in that, having floating substance recycling piping 58 near the liquid level of the sour water slot 40, floating substance recycling is matched
The supernatant containing inorganic silicon that the recycling of pipe 58 is floated in sour water slot 40.
Invention effect
Heavy metal piece-rate system according to the present invention can low cost and height for the object to be processed of incinerator ash etc.
Efficient carry out the separation and recovery of the heavy metal using magnetic powder.
Description of the drawings
Fig. 1 is the schematic configuration diagram of the heavy metal piece-rate system of the 1st form of the present invention.
Fig. 2 is the schematic configuration diagram of the heavy metal piece-rate system of the 2nd form of the present invention.
The figure in the magnetite portion of the heavy metal piece-rate systems of Fig. 3 to illustrate the invention.
Fig. 4 is the figure of the example for the demagnetization unit for indicating the heavy metal piece-rate system of the present invention.
Fig. 5 is the table of the experimental result obtained by the heavy metal piece-rate system of expression through the invention.
Specific implementation mode
It is illustrated based on the drawings the implementation form of the heavy metal piece-rate system of the present invention.Herein, Fig. 1 shows the of the present invention
The figure of the heavy metal piece-rate system 100 of 1 form.In addition, Fig. 2 indicates the heavy metal piece-rate system 200 of the 2nd form of the present invention
Figure.
The heavy metal piece-rate system 100 of the 1st form of the present invention shown in FIG. 1 has：Stirred tank 30, stirs magnetic in water
Property powder and the object to be processed containing heavy metal；Sour water slot 40 stores acid solution；Magnetite portion 60, can come in and go out stirred tank 30 and
To which the magnetic powder is attached together with one magnetize of heavy metal component in sour water slot 40；Transfer unit 66 transfers the magnetite portion 60；Disappear
Magnetic cell 80, the magnetic for releasing magnetite portion 60 is attached, and magnetic powder is made to fall off in the acid in sour water slot 40 together with heavy metal component
In property solution；Magnetic powder recoverer 70 detaches magnetic powder from the sediment of sour water slot 40.
In addition, the heavy metal piece-rate system 200 of the 2nd form of the invention shown in Fig. 2 has：1st stirred tank 30, in water
Stir the object to be processed containing heavy metal；2nd stirred tank 31 takes out the supernatant of the 1st stirred tank 30 and is mixed with magnetic powder
Close stirring；Heavy metal component in 2nd stirred tank 31 is transferred to sour water slot 40 by magnetite portion 60 together with magnetic powder；Acid
Sink 40 stores acid solution；Magnetic powder recoverer 70 detaches magnetic powder from the sediment of the sour water slot 40.
Also, stirred tank 30 and the 1st stirred tank 30 have agitating unit 32 in lower part, and downside becomes funnelform leakage
Pan 30a.It should be noted that as the agitating unit 33,42,52 for being set to the agitating unit 32 and aftermentioned each slot, it is excellent
Choosing uses the ware shape impeller of impeller-type.By this composition, other than cleaning the maintenance waited and being relatively easy to, especially in stirred tank
30, magnetite portion 60 can be made to come in and go out in slot in the 2nd stirred tank 31, sour water slot 40 while being stirred, can expeditiously be carried out
The transfer and separation of magnetic powder.
In addition, the front end of pars infundibularis 30a is provided with processed material precipitation portion 34 via stirred tank opening/closing unit 36.Separately
Outside, the air outlet 26 of release compressed air is set preferably on the stirred tank opening/closing unit 36 of the front side of pars infundibularis 30a.
Additionally, it is preferred that the exhaust pipe 28 of the residual air in processed material precipitation portion 34 is discharged in setting under stirred tank opening/closing unit 36.
Additionally, it is preferred that being provided with the observation window 38A or detection precipitated form that can visually observe precipitated form in processed material precipitation portion 34
The detection units such as turbidity detector 38b.Also, it is connected with processed material discharge unit in the front side in processed material precipitation portion 34, the processing
Object discharge unit has dump valve 10a, pump unit 18 and discharge piping 12a.It should be noted that due to the sediment of stirred tank 30
General concentration is high and moisture content is low, and it is preferable to use the vacuum pumps for being difficult to happen blocking for the pump unit 18 for pretending as processed material discharge unit
Deng.
In addition, being connected with discharge unit connection in stirred tank 30, the 1st stirred tank 30, which has will be in slot
The submitting piping 20 and open and close valve 20a and pump unit 20b that supernatant is sent out.Also, stirred tank 30 submitting piping 20 with it is aftermentioned
Regeneration sink 50 connect.In addition, the submitting piping 20 of the 1st stirred tank 30 is connect with aftermentioned 2nd stirred tank 31.In addition,
Stirred tank 30 is connected with water supply piping 14, and water supply piping 14 supplies pure water, ion exchange water, tap water, industrial into slot
Water as defined in water etc..
In addition, the 2nd stirred tank 31 of the heavy metal piece-rate system 200 of the 2nd form is identical as the 1st stirred tank 30, in lower part
With agitating unit 33 and downside is as funnelform pars infundibularis 31a.In addition, the front end of pars infundibularis 31a is opened via the 2nd stirred tank
It closes unit 37 and is provided with the 2nd stirred tank precipitation portion 45.It should be noted that it is preferred that on the 2nd stirred tank opening/closing unit 37
The air outlet 26 of release compressed air is set, exhaust pipe 28 is set under the 2nd stirred tank opening/closing unit 37.Also,
The front side in the 2nd stirred tank precipitation portion 45 is connected with the 2nd stirred tank discharge unit, the 2nd stirred tank discharge unit have dump valve 10d and
Discharge piping 12d.In addition, the 2nd stirred tank 31 has also stream piping 17, this, which also flow, is piped 17 and has and can be supplied to defined water in slot
Water supply piping 14, open and close valve 17a and pump unit 17b, and the residual water after magnetic powder is detached is sent to the 1st stirred tank 30.
It should be noted that when object to be processed is incinerator ash, the mixed liquor of object to be processed and water is shown
Alkalinity.Therefore, the viewpoint deteriorated year in year out based on anti-locking apparatus, stirred tank 30, the 1st stirred tank 30, the 2nd stirred tank 31 and and this
A little relevant components are preferably the material with alkali resistance, or apply the surface treatment of alkali resistance.
In addition, the sour water slot 40 of heavy metal piece-rate system 100,200 is also identical as other slots, lower part has agitating unit 42
And downside becomes funnelform pars infundibularis 40a, the front end of pars infundibularis 40a is arranged and is magnetic via sour water slot opening/closing unit 46
Powder precipitation portion 44.It should be noted that it is preferred that release compression sky is arranged on the sour water slot opening/closing unit 46 of pars infundibularis 40a
Exhaust pipe 28 is arranged in the air outlet 26 of gas under sour water slot opening/closing unit 46.Also, before magnetic powder precipitation portion 44
Side is connected with magnetic powder discharge unit, which has dump valve 10b, pump unit 19 and discharge piping 12b.Into one
Step is connected with acid solution discharge piping 22 and floating substance recycling piping 58, acid solution discharge piping in sour water slot 40
22 have open and close valve 22a and for the acid solutions in accumulator tank, floating substance recycling piping 58 be set to liquid level nearby and
Have open and close valve 58a, and recycles the supernatant containing inorganic silicon etc..It should be noted that inorganic silicon herein refer to inorganic silicic acid,
Inorganic silicon compound etc..In addition, since sour water slot 40 stores acid solution, the sight deteriorated year in year out based on anti-locking apparatus
Point, these components etc. are preferably acid proof material, or have applied acid proof surface treatment.
In addition, the heavy metal piece-rate system 100 of the present invention, can also have for recycling the supernatant in stirred tank 30 and again
The regeneration sink 50 utilized.The regeneration sink 50 also has agitating unit 52 in lower part, and downside becomes funnelform pars infundibularis
The front side of 50a, pars infundibularis 50a are provided with regeneration tank precipitation portion 54 via regeneration tank opening/closing unit 56.It should be noted that
It is preferred that the air outlet 26 of release compressed air is also arranged on the regeneration tank opening/closing unit 56 of pars infundibularis 50a, again
Exhaust pipe 28 is set under raw slot opening/closing unit 56.In addition, the front side in regeneration tank precipitation portion 54 is connected with condensation product discharge unit, it should
Condensation product discharge unit has dump valve 10c and discharge piping 12c.In addition, regeneration sink 50 is connected with also stream piping 16, this is also flowed
Piping 16 has open and close valve 16a and pump unit 16b, and the reprocessing water regenerated in sink 50 is sent to stirred tank 30.
It should be noted that opening/closing unit 36,37,56, dump valve 10a, 10c, 10d and open and close valve 20a, 16a, 17a are excellent
The bore having on the basis of the piping connected is selected, the solenoid valve being opened and closed by manual and electrical control is used.In addition, sour
It is preferable to use the hand-operated valves of low cost by sink opening/closing unit 46, dump valve 10b, open and close valve 22a, 58a.
In addition, magnetite portion 60 has：Multiple rodlike magnetites 62；Maintaining part 64 makes multiple rodlike magnetite 62 vacate regulation
Gap and vertical direction arrange fix.Also, in the heavy metal piece-rate system 100 of the 1st form, magnetite portion 60 passes through transfer
Unit 66 and moved between stirred tank 30 and sour water slot 40.In addition, in the heavy metal piece-rate system 200 of the 2nd form,
It is moved between 2nd stirred tank 31 and sour water slot 40.In addition, magnetite portion 60 by transfer unit 66 can within the limits prescribed on
Lower direction movement, the magnetite portion 60 can the discrepancy in stirred tank 30, the 2nd stirred tank 31 and sour water slot 40 as a result,.
Herein, using Fig. 3 illustrate magnetite portion 60 preferably comprise and appearance and size.Herein, Fig. 3 (a) be magnetite portion 60 into
Enter the pattern vertical view of the state of stirred tank 30, the 2nd stirred tank 31, Fig. 3 (b) is pattern side view.As shown in Fig. 3 (a), (b),
There is rodlike magnetite 62 defined length, upper end side to be fixed on maintaining part 64 and be fixed in a manner of hanging down.This is rodlike
Magnetite is not particularly limited used in magnetite 62, and the permanent magnetics such as well-known ferrite magnetite, rare earth element magnet can be used
Stone or electromagnet.In addition, the diameter of rodlike magnetite 62 is not particularly limited the rodlike magnetite, it is preferable to use about φ 50mm.Into one
Step, the viewpoint of the organic efficiency based on magnetic powder, preferably substantially uniformly the whole stirred tank the 30, the 2nd that is inserted into stirs rodlike magnetite 62
It mixes in slot 31.Therefore, the distance L1 between the two outermost rodlike magnetites 62 in magnetite portion 60 is preferably stirred tank the 30, the 2nd
The 80%~90% of internal diameter size (when stirred tank 30, the 2nd stirred tank 31 are angular interior cun of each side) L2 of stirred tank 31.Separately
Outside, rodlike magnetite 62 suitably sets the setting quantity of maintaining part 64, setting interval according to the magnetic force of rodlike magnetite 62, rodlike
The dense arrangement when magnetic force of magnetite 62 is weaker, sparse arrangement when stronger.But as long as general rodlike magnetite 62, preferably greatly
The range for showing about 2cm~50cm or so equally spaced arranges and is fixed on maintaining part 64.It should be noted that rodlike magnetite 62 makes
When with permanet magnet, the viewpoint of the organic efficiency based on magnetic powder using the wider side of area as the attached face of magnetic, it is preferable to use send out
Wave the magnetized magnetite in diameter direction of function.100G~20000G (Gauss) can be used in the flux density of rodlike magnetite 62 at this time,
Particularly preferably use 8000G~14000G.Also, when rodlike magnetite 62 magnetized using diameter direction, rodlike magnetite 62 is preferably to the greatest extent
It may impregnate deeply to stirred tank 30, the 2nd stirred tank 31.Therefore, as shown in figure 3, it is preferred that the length ratio of rodlike magnetite 62 is by leaking
Distance T long until the upper end position to liquid level of pan 30a, 31a.In addition, as shown in Figure 1, the length of rodlike magnetite 62 also may be used
Make that central side is long, side is short and along pars infundibularis 30a, 31a.According to this constitution, since rodlike magnetite 62 is inserted into pars infundibularis
The side 30a, 31a, therefore the magnetic that further can expeditiously carry out magnetic powder is attached.In addition, when rodlike magnetite 62 is electromagnet, as magnetic
The end face in attached face is preferably located at the length of the intermediate degree of stirred tank 30, the 2nd stirred tank 31.In addition, can spread length difference
Rodlike magnetite 62, to make the end face overall distribution as the attached face of magnetic in stirred tank 30, the 2nd stirred tank 31.
In addition, magnetite portion 60 is provided with the attached demagnetization unit 80 of magnetic for releasing magnetic powder.Herein, Fig. 4 indicates demagnetization unit
80 an example.It should be noted that Fig. 4 indicates that the length of rodlike magnetite 62 is equal example.First, as rodlike magnetite 62
For permanet magnet when demagnetization unit 80 be preferably provided with as shown in Fig. 4 (a)：Sheath 82, it is identical as 62 number of rodlike magnetite simultaneously
Same position is fixed in arrangement, and rodlike magnetite 62 can be inserted into and itself not have magnetic force；Disassembly mechanism 84, by these sheaths 82 from stick
Shape magnetite 62, which takes out, to be inserted into.In addition, the demagnetization unit 80 when being electromagnet as rodlike magnetite 62, as shown in Fig. 4 (b), preferably
It is set as the switching mechanism 88 for opening/closing the energization of the coil 86 excitatory to rodlike magnetite 62.It should be noted that due to electricity
The rodlike magnetite 62 and sheath 82 of magnetite are impregnated in acid solution in sour water slot 40, therefore preferably acid proof material, or apply
There is acid proof surface treatment.
In addition, magnetic powder recoverer 70 has：Dump tank 72 receives from the heavy of the discharge piping 12b sour water slots 40 being discharged
Starch；Magnetic powder separative element 74 separates and recovers the magnetic powder in sediment.It should be noted that magnetic powder separative element
74 can be used well-known permanet magnet, electromagnet or well-known strainer etc..Also, in magnetic powder separative element 74
When using permanet magnet, it is preferably provided with the demagnetization unit of sheath or cover board etc., when using electromagnet, being preferably provided with will be to making magnetic
The switching mechanism that the energization of the property excitatory coil of powder separative element 74 opens/closes.
Then, illustrate the action of the heavy metal piece-rate system 100 of the present invention.First, in stirred tank opening/closing unit 36, opening and closing
In the state that valve 20a is closed, water is supplied to stirred tank 30.At this point, it is preferable to use adjust to the neutrality of about pH7~8 for the water of supply
Regeneration sink 50 in reprocessing water.In addition, it is possible to use pure water, ion exchange water, tap water, industrial water etc..It needs
Illustrate, when using reprocessing water as the water of stirred tank 30, by electric control or manually in a manner of make 50 side of regeneration sink
Open and close valve 16a is in open state, starts pump unit 16b and makes the reprocessing water in regeneration sink 50 by also flowing piping 16
It is supplied in stirred tank 30.In addition, when reprocessing water deficiency etc., from water supply piping 14 be properly supplied tap water, industrial water,
Pure water, ion exchange water etc..It should be noted that when object to be processed is incinerator ash, confluent is preferably about located
Manage the weight of object 4 times~5 times or so.In addition, when object to be processed is sewage, it can according to the concentration of sewage and suitably
Supply these water.
Then, the object to be processed of the incinerator ash of specified amount, lower water treatment sludge, sewage etc. is put into stirred tank
30.Any means fallen etc. using force feed, ribbon conveyer, funnel etc. can be used in the input method of object to be processed.Such as
This can start agitating unit 32 and in water stir process object if putting into water and object to be processed to stirred tank 30.It needs
Illustrate, when object to be processed is incinerator ash, the water mixed with object to be processed is in alkalinity.
It, will be in the magnetic powder input stirred tank 30 of specified amount before and after it.As used magnetic powder at this time, can be used
Magnetic oxide powder, the magnetic arbitrary powder of metal powder of tool of such as ferrite or magnetic iron ore.It should be noted that magnetic
Property powder magnetic invests magnetite, but substantially itself does not have magnetic force.In addition, magnetic powder is preferably used in load magnetic field 398kA/m
In saturated magnetization amount be 10Am2/ kg~300Am2The magnetic powder of/kg.Further, the average grain diameter of magnetic powder is preferably 100 μm
Hereinafter, particularly preferably 10nm~500nm.In addition, for the weight of object to be processed, the input amount of magnetic powder is preferred
For 1wt%~100wt%, particularly preferably about 10wt% or so.It should be noted that the manufacturing method as magnetic powder, it can
Use the well-known manufacturing method such as wet oxidation process.
Also, object to be processed stirring in stirred tank 30 by agitating unit 32 with magnetic powder.Although stirring at this time
Mix unit 32 rotating speed and mixing time according to the capacity of stirred tank 30, the type of object to be processed and amount, water, agitating unit
32 ability etc. and determine, but preferably approximately with 10rpm~3000rpm, more suitably carried out about with 200rpm~3000rpm
30min.At this point, discharging compressed air from air outlet 26, preferably make bottom namely the stirred tank opening/closing unit of stirred tank 30
Object to be processed and magnetic powder are not accumulated in 36 upper surface.The heavy metal component in water is adsorbed in by electric attraction etc. as a result,
Magnetic powder.In addition, when there is inorganic silicon in water, these are also adsorbed in magnetic powder.
Then, start sheet while maintaining object to be processed and magnetic powder will not be piled up in the bottom of stirred tank 30
Member 66.Also, magnetite portion 60 is impregnated in the magnetic powder mixing water in stirred tank 30.As a result, in the attached face of magnetic of rodlike magnetite 62
Or the surface of sheath 82, the states such as magnetic powder absorption heavy metal component can be maintained to carry out magnetic attached.
Then, transfer unit 66 takes out in magnetite portion 60 out of stirred tank 30.At this point, object to be processed is not attached to magnetite
Portion 60, but remain in stirred tank 30.Also, magnetite portion 60 is moved on sour water slot 40 by transfer unit 66, to make it
It is impregnated in the acid solution in sour water slot 40.Sour water slot opening/closing unit 46 at this time, dump valve 10b, at open and close valve 22a, 58a
In closed state.In addition, preferably making 42 spinning movement of agitating unit at this time and discharging compressed air from air outlet 26, make acid
Acid solution in sink 40 is in stirring.It should be noted that acid used in the acid solution of sour water slot 40 is preferably
For inorganic acids such as hydrochloric acid, sulfuric acid, nitric acid, nitric acid is diluted with about 4 times or so of pure water particularly preferably and is used.In addition, being based on
Viewpoint in terms of environment, in terms of cost particularly preferably uses the regenerated strong oxidized water of acid solution institute.
Then, the stirring for maintaining sour water slot 40 makes the action of demagnetization unit 80 release magnetite portion 60 for magnetic powder
Magnetic it is attached.For example, keeping disassembly mechanism 84 and in sheath 82 using in the demagnetization unit 80 of sheath 82 shown in Fig. 4 (a)
Magnetite portion 60 is set to increase in the state of being impregnated in the acid solution of sour water slot 40.As a result, by rodlike magnetite 62 out of sheath 82
The magnetic extracted and release the magnetic powder on 82 surface of sheath is attached.Magnetic powder and heavy metal component etc. fall off in sour water slot 40 as a result,
In acid solution.The sheath 82 that magnetic powder falls off is risen by disassembly mechanism 84, is taken out and is placed in rodlike from sour water slot 40
Magnetite 62.In addition, in the demagnetization unit 80 of the rodlike magnetite 62 constituted with electromagnet shown in Fig. 4 (b), rodlike magnetite
62 be impregnated in acid solution in the state of make switching mechanism 88 close.As a result, to the coil 86 that keeps rodlike magnetite 62 excitatory
It is powered and stops, the magnetic for releasing magnetic powder is attached.Magnetic powder and heavy metal component etc. fall off in the acid solution of sour water slot 40 as a result,
In.Then, magnetite portion 60 is taken out by transfer unit 66 from sour water slot 40.Also, switching mechanism 88 is opened, and rodlike magnetite 62 is made
It is functioned again for magnetite.
By the transfer of the magnetite portion 60 to magnetic powder and heavy metal component etc., until the attached absorption of 62 magnetic of rodlike magnetite
Object repeats 5 times~6 times until disappearing.Also, fall off in sour water slot 40 magnetic powder and heavy metal component etc. pass through acid
Property solution and desorb state and detach.Promote it should be noted that the air discharged at this time from air outlet 26 also has
The function of elementary reaction is gone back into the oxidation of these heavy metal components.
When magnetic powder and heavy metal component are transferred by magnetite portion 60, the spinning movement of the agitating unit 32 of stirred tank 30
And the air release of air outlet 26 stops.Also, stirred tank opening/closing unit 36 by electric control or manually in a manner of be in
Open state.Dump valve 10a is closed at this time.It should be noted that since processed material precipitation portion 34 is connected with exhaust
Pipe 28, therefore noresidue air in processed material precipitation portion 34, and in the breakdown action of stirred tank opening/closing unit 36, processed material precipitation
Air in portion 34 will not be in release to stirred tank 30.Also, to stand 3min~60min under this state.Processing pair as a result,
As object is precipitated in processed material precipitation portion 34 by the stirred tank opening/closing unit 36 in open state by.The object to be processed
Precipitated form is visually observed by observation window 38a or is monitored by detection unit 38b.Also, judge process object
When object has fully been deposited in processed material precipitation portion 34, stirred tank opening/closing unit 36 is by electric control or manually in closing shape
State.Also, after the dump valve 10a of processed material discharge unit is in open state by electric control or manually, pump unit 18 starts.By
This, the object to be processed being deposited in processed material precipitation portion 34 is piped 12a by the discharge of processed material discharge unit and is expelled to regulation
Slot.It should be noted that the mineral substance of heavy metal component, inorganic silicon contained by object to be processed etc. is such as described to pass through magnetic powder
And magnetite portion 60 and be transferred to sour water slot 40, in addition, due to salt etc. dissolution in the supernatant in stirred tank 30, therefore precipitate
Object to be processed does not almost contain these ingredients, and special heavy metal component is below the benchmark of environment office.Processed material is discharged as a result,
The object to be processed that portion is discharged other than the landfill that can specify that handle etc., for example, incinerator ash when, also may be used
Reuse of materials as cement or concrete segment.
In addition, after stirred tank opening/closing unit 36 occludes, the open and close valve 20a of discharge unit is opened by electric control or manual be in
State is opened, pump unit 20b starts.At this point, regeneration tank opening/closing unit 56, the open and close valve 16a of regeneration sink 50 are closed.
The supernatant of stirred tank 30 is sent to regeneration sink 50 by sending out piping 20 as a result,.After the completion of the submitting of supernatant, open and close valve
20a is occluded, and pump unit 20b stops.
Also, the supernatant for being sent to the stirred tank 30 of regeneration sink 50 is thrown by agitating unit 52 while stirring
Enter the coagulator of such as calcium of specified amount.Salt remained in supernatant etc. is set to become such as calcium chloride and solidify as a result,.This
When, preferably from air outlet 26 discharge compressed air, make regeneration sink 50 bottom namely regeneration tank opening/closing unit 56 it is upper
Do not accumulate condensation product in surface.Also, when solidifications such as salts, the spinning movement of agitating unit 52 and the air of air outlet 26
Discharge stops, and regeneration tank opening/closing unit 56 is in open state by electric control or manually.It is closed at this point, dump valve 10c is in
Closed state.It should be noted that since regeneration tank precipitation portion 54 is connected with exhaust pipe 28, therefore do not remained in regeneration tank precipitation portion 54
Air, and in the breakdown action of regeneration tank opening/closing unit 56, the air in regeneration tank precipitation portion 54 will not be discharged to recycled water
In slot 50.Also, it stands in this case.The condensation product of salt etc. is opened and closed single by the regeneration tank in open state as a result,
Member 56 and be deposited in regeneration tank precipitation portion 54.Also, condensation product is set to be filled in regeneration tank precipitation portion 54 by the defined time
After fractional precipitation, regeneration tank opening/closing unit 56 is closed by electric control or hand.Then, the dump valve of condensation product discharge unit
10c is in open state by electric control or manually.The condensation product being deposited in as a result, in regeneration tank precipitation portion 54 passes through condensation product
The discharge piping 12c of discharge unit is expelled to defined slot.The processing for for the condensation product of discharge with its substance should be consistent.Separately
Outside, after the reprocessing water of the separated condensation product for eliminating salt etc. removes other impurities by strainer etc., with tap water (city
Water), industrial water, pure water, ion exchange water etc. suitably diluted, or by putting into additive, to which pH is adjusted to
After neutral degree, as described above, suitably being supplied to stirred tank 30 by also flowing piping 16 using open and close valve 16a, pump unit 16b
And it recycles.
In addition, after the completion of transferring magnetic powder and heavy metal component etc. to sour water slot 40 by magnetite portion 60, stop stirring
The spinning movement of unit 42 and the air release of air outlet 26.Also, sour water slot opening/closing unit 46 passes through electric control or hand
It is dynamic to be in open state.Dump valve 10b at this time is closed.It should be noted that since magnetic powder precipitation portion 44 connects
It is connected to exhaust pipe 28, therefore non-residual air in magnetic powder precipitation portion 44, and in the breakdown action of sour water slot opening/closing unit 46, no
The air that can occur in magnetic powder precipitation portion 44 is discharged to sour water slot 40.Also, magnetic powder and heavy metal component etc. are statically placed in
About 24Hr in acid solution.Magnetic powder and heavy metal component are heavy by the sour water slot opening/closing unit 46 in open state as a result,
It forms sediment in magnetic powder precipitation portion 44.In addition, inorganic silicon etc. can be with bubble floating to the surface of sour water slot 40.Also, by rule
The fixed time makes magnetic powder and heavy metal component fully be deposited in magnetic powder precipitation portion 44, and when the floatings such as inorganic silicon, makes acid
Sink opening/closing unit 46 occludes and the dump valve 10b of magnetic powder discharge unit is in open state, starts pump unit 19.It sinks as a result,
Form sediment in magnetic powder precipitation portion 44 magnetic powder and heavy metal component 12b is piped by the discharge of magnetic powder discharge unit and is expelled to magnetic
The dump tank 72 of property powder recoverer 70.In addition, before and after it, open and close valve 58A is opened, and is connected to floating substance recycling piping 58
Pump unit (not shown) start.The supernatant containing inorganic silicon is expelled to regulation by floating substance recycling piping 58 as a result,
Slot.The supernatant of discharge carries out the processing that should be consistent with its substance.It should be noted that sediment had been discharged with supernatant
Acid solution reuses after can reusing or supplementing the acid of insufficient section directly as strong oxidized water as strong oxidized water.In addition,
It is suitably recycled by acid solution discharge piping 22.
The magnetic powder and heavy metal component for being expelled to dump tank 72 are detached by magnetic powder separative element 74.Herein, magnetic
Property powder separative element 74 using magnetite when, the magnetic powder and heavy metal component and magnetic powder separative element of dump tank 72 will be expelled to
74 adjacent or contacts.74 magnetic of magnetic powder separative element is set to have magnetic powder as a result,.The separation of the magnetic powder can by wet type into
Row, is carried out after can also drying by dry type.It should be noted that since magnetic powder and heavy metal component are divided by acid solution
From, therefore the only magnetic of magnetic powder separative element 74 has magnetic powder, other heavy metal components etc. remain on 72 side of dump tank.Also, magnetic
The property attached magnetic powder of powder 74 magnetic of separative element is by the demagnetization unit of magnetic powder separative element 74 from magnetic powder separative element
74 fall off recycling.It should be noted that the magnetic powder of recycling is bestowed suitably washing/drying etc. and is recycled.In addition, remaining on
The heavy metal component of dump tank 72 detaches each substance and again by the waste treatment or well-known method that are consistent with it
It utilizes.
Then, illustrate the action of the heavy metal piece-rate system 200 of the 2nd form of the present invention.First, it is opened and closed in stirred tank single
Member 36, open and close valve 20a are closed down, put into the object to be processed of specified amount to the 1st stirred tank 30.Object to be processed
Also any method can be used with the 1st homomorphosis in input method.
Then, water is supplied in the 1st stirred tank 30.At this point, the water supplied can also be used the magnetism in the 2nd stirred tank 31
Residual water after powder separation is adjusted to the neutrality of about pH7~8 or so.At this point, the open and close valve 17a of 31 side of the 2nd stirred tank passes through electricity
Control is in open state manually, and pump unit 17b starts and supplied the residual water in the 2nd stirred tank 31 by also flowing piping 17
To the 1st stirred tank 30.At this point, the hydropenic situation etc. of the 1st stirred tank 30, can be also piped from water supply 14 equal supply city's water or
Industrial water.It should be noted that the water of the 1st stirred tank 30 and the 1st homomorphosis, are incinerator ash in object to be processed
When, it is about 4 times~5 times or so of the weight of object to be processed, when object to be processed is sewage, then is set as meeting sewage
Concentration amount.
Water is put into the 1st stirred tank 30 and when object to be processed, agitating unit 32 can spinning movement and from air outlet
26 discharge compressed airs, in water stir process object.Each condition at this time also with the 1st homomorphosis.Also, it is stirred by this
It mixes, to make the heavy metal component in object to be processed be dissolved in the mixing water.
Then, the air of the rotation of agitating unit 32 and air outlet 26 discharge stops, and stirred tank opening/closing unit 36
By electric control or manually in open state.Dump valve 10a closed states at this time.It should be noted that since processed material is heavy
Shallow lake portion 34 is connected with exhaust pipe 28, therefore non-residual air in processed material precipitation portion 34, and in the beginning of stirred tank opening/closing unit 36
When action, the air in processed material precipitation portion 34 will not be expelled in the 1st stirred tank 30.Also, 3min is stood in this case
~60min.As a result, object to be processed by stirred tank opening/closing unit 36 in open state in processed material precipitation portion 34
Precipitation.The precipitated form of the object to be processed is visually observed by observation window 38a or is monitored by detection unit 38b.And
And when judging that object to be processed has fully been deposited in processed material precipitation portion 34, stirred tank opening/closing unit 36 by electric control or
It is closed manually.Also, after the dump valve 10a of processed material discharge unit is in open state by electric control or manually,
Start pump unit 18.The object to be processed being deposited in as a result, in processed material precipitation portion 34 is matched by the discharge of processed material discharge unit
Pipe 12a is expelled to defined slot.It should be noted that due to mineral such as heavy metal component, inorganic silicons contained by object to be processed
Class, salt etc. dissolve out in the supernatant in the 1st stirred tank 30, therefore settled object to be processed be practically free of these at
Point, special heavy metal component is below the benchmark of environment office.Accordingly, for the object to be processed that processed material discharge unit is discharged
Speech, other than the landfill that can specify that handle etc., for example, incinerator ash when, also can be used as cement or concrete and build
The Reuse of materials of block.
In addition, after the occlusion of stirred tank opening/closing unit 36, the open and close valve 20a of discharge unit is in by electric control or manually
Open state, pump unit 20b start.It is closed at this point, the 2nd stirred tank opening/closing unit 37 of the 2nd stirred tank 31, open and close valve 17a are in
Closed state.The supernatant of the 1st stirred tank 30 as a result, dissolved with heavy metal component etc. is sent to the 2nd by submitting piping 20 and stirs
Mix slot 31.After the completion of the submitting of supernatant, open and close valve 20a occlusions, pump unit 20b stops.
Then, for being sent to the supernatant of the 2nd stirred tank 31, from 14 supply city's water of water supply piping or industrial water, by
The pH of supernatant is adjusted to neutral by this.Then, it puts into specified amount magnetic powder to the supernatant for having adjusted pH and starts stirring list
Member 33, to which supernatant and magnetic powder to be mixed.Mixing time needed for agitating unit 33 is according to the capacity of the 2nd stirred tank 31
Or the ability of agitating unit 33, roughly about 10min.At this point, it is preferred that from the release compressed air of air outlet 26, the 2nd is set to stir
Do not accumulate magnetic powder in the upper surface of the bottom namely the 2nd stirred tank opening/closing unit 37 of mixing slot 31.Also, it is dissolved in supernatant
Heavy metal component be precipitated by pH is adjusted to neutral, magnetic powder is adsorbed in electric attraction etc..In addition, being deposited in supernatant
It is also adsorbable in magnetic powder when there is inorganic silicon.It should be noted that will be increased by pH is adjusted to neutral magnetic powder with
The adsorption capacity of heavy metal component.
Then, the degree for the bottom that will not be piled up in the 2nd stirred tank 31 on one side with magnetic powder is stirred, and makes transfer on one side
Unit 66 acts and magnetite portion 60 is made to be impregnated in the magnetic powder mixing water in the 2nd stirred tank 31.As a result, in rodlike magnetite 62
The attached face of magnetic or the surface of sheath 82 can maintain the states such as magnetic powder absorption heavy metal component to carry out magnetic attached.
Then, transfer unit 66 takes out in magnetite portion 60 out of the 2nd stirred tank 31, is moved on sour water slot 40 and soaks
Stain is in sour water slot 40.Then, with the 1st homomorphosis, so that demagnetization unit 80 is acted and release the magnetic of the magnetic powder in magnetite portion 60
It is attached.Magnetic powder and heavy metal component etc. are fallen off in the acid solution of sour water slot 40 as a result,.Magnetic powder and heavy metal component etc.
Transfer by magnetite portion 60 from from the 2nd stirred tank 31 to sour water slot 40, up to the attached magnetic powder disappearance of 62 magnetic of rodlike magnetite is
Only repeat 5 times~6 times.Magnetic powder and heavy metal component of sour water slot 40 etc. is transferred to the 1st form identically to exist
In sour water slot 40 after separation, it is deposited in magnetic powder precipitation portion 44, is expelled to magnetic powder recoverer 70.Also, it is returned in magnetic powder
Receipts portion 70 carries out the separation of magnetic powder and heavy metal component.
In addition, putting into specified amount for transferring the residual water in the 2nd stirred tank 31 of magnetic powder by magnetite portion 60
Such as the coagulator of calcium.Salt remained in water etc. is set to become such as salinization calcium and solidify as a result,.At this point, it is preferred that from air
Outlet 26 discharges compressed air, the upper surface of the bottom namely the 2nd stirred tank opening/closing unit 37 that make the 2nd stirred tank 31 not heap
Product condensation product.When the solidifications such as salt, the air release and the rotation of agitating unit 33 of air outlet 26 stop, and the 2nd stirring
Slot opening/closing unit 37 is in open state by electric control or manually.At this point, dump valve 10d is closed.It needs to illustrate
, since the 2nd stirred tank precipitation portion 45 is connected with exhaust pipe 28, therefore noresidue air in the 2nd stirred tank precipitation portion 45, and
When the breakdown action of the 2nd stirred tank opening/closing unit 37, the air in the 2nd stirred tank precipitation portion 45 will not be discharged to the 2nd stirred tank
In 31.Also, it stands in this case.The condensation product of salt etc. is opened and closed single by the 2nd stirred tank in open state as a result,
Member 37 and in the 2nd stirred tank precipitation portion 45 precipitation.Also, condensation product is set fully to be deposited in the 2nd stirring by the defined time
After in slot precipitation portion 45, the 2nd stirred tank opening/closing unit 37 is closed by electric control or manually.Then, the 2nd stirred tank
The dump valve 10d of discharge unit is in open state by electric control or manually.It is deposited in as a result, in the 2nd stirred tank precipitation portion 45
Condensation product be expelled to defined slot by the discharge of the 2nd stirred tank discharge unit is piped 12d.For the condensation product of discharge, into
The processing that row should be consistent with its substance.In addition, the residual water of the separated removal of the condensation product of salt etc., as described above, using opening
Valve closing 17a, pump unit 17b and by also flowing piping 17, being properly supplied to the 1st stirred tank 30 and recycling.At this point, residual water
With dilutions such as tap water (city's water) or industrial waters, pH is adjusted to neutral degree.
Then, the experimental result as obtained by small-scale of the heavy metal piece-rate system 100 of the 1st form of the invention is as follows
It is shown.First, the incinerator ash 1Kg and magnetic powder of water 5L and the combustiblerefuse as object to be processed are put into stirred tank 30
130g stirs 30min with 200~300rpm.50 μm of the magnetic powder average grain diameter used at this time and in the 398kA/m of load magnetic field
Saturated magnetization amount be 40emu/g.In addition, preparing the aqueous solution of nitric acid 5L of concentration 25% in sour water slot 40.Also, pass through
Magnetic powder is transferred to sour water slot 40 by the rodlike magnetite 62 of 14000G (Gauss) from stirred tank 30.Until rodlike magnetite 62 is not inhaled
6 transfers are carried out until attached (magnetic is attached) adsorbate.Also, it after magnetic powder precipitation, discharges it and obtains isolate.Also, it is right
Object to be processed, isolate before processing, the metal component in treated object to be processed (residue) containing ratio carry out
It is quantitative.The results are shown in Fig. 5.It should be noted that the increase of ferrous components (Fe) of isolate in Fig. 5, manganese ingredient (Mn) be due to
Influence caused by the presence of magnetic powder.
According to Fig. 5, heavy metal component and metal component are can detect that in isolate, to distinguish a huge sum of money through the invention
Heavy metal component can be detached by belonging to piece-rate system.It should be noted that, although also remaining weight in treated object to be processed
Metal component, but by will be optimized to the amount of magnetic powder or various conditions etc., can thus be environmental benchmark value or less.
As described above, the heavy metal piece-rate system 100,200 of the present invention makes the heavy metal component in object to be processed adsorb
Heavy metal component is transferred to sour water slot 40 together with magnetic powder in magnetic powder, and by magnetite portion 60.Also, pass through sour water
Acid solution in slot 40 releases the adsorbed state of magnetic powder and heavy metal component, and magnetropism powder recoverer 70 is discharged, at this
Heavy metal component is detached with magnetic powder in magnetic powder recoverer 70.Also, by making these carry out functional action, so as to
Low cost and expeditiously by the object to be processed of incinerator ash etc. heavy metal separate and recover.
It should be noted that each section composition of heavy metal piece-rate system 100,200 shown in this example, shape, action, each
Condition with route of pipe line etc. is wherein an example, without departing from the main scope of the present invention, changes and implements the present invention.
Reference sign
30 stirred tanks, the 1st stirred tank
31 the 2nd stirred tanks
32,33 agitating unit
34 processed material precipitation portions
36 stirred tank opening/closing units
40 sour water slots
44 magnetic powder precipitation portions
46 sour water slot opening/closing units
50 regeneration sinks
The recycling piping of 58 floating substances
60 magnetite portions
62 rodlike magnetites
64 maintaining parts
66 transfer units
70 magnetic powder recoverers
80 demagnetization units
82 sheaths
84 disassembly mechanisms
88 switching mechanisms
100,200 heavy metal piece-rate system
Claims (9)
1. a heavy metal species piece-rate system, which is characterized in that have：
Stirred tank has agitating unit, stirs magnetic powder and the object to be processed containing heavy metal component in water；
Processed material precipitation portion, is set to the lower section of the stirred tank；
Stirred tank opening/closing unit makes to be opened and closed between processed material precipitation portion and the stirred tank；
Sediment in processed material precipitation portion is discharged processed material discharge unit；
Sour water slot stores acid solution；
Magnetic powder precipitation portion is set to the lower section of the sour water slot；
Sour water slot opening/closing unit makes to be opened and closed between magnetic powder precipitation portion and the sour water slot；
The magnetic powder being deposited in magnetic powder precipitation portion is discharged magnetic powder discharge unit together with heavy metal component；
Magnetite portion can come in and go out in the stirred tank and sour water slot so that the magnetic powder is attached together with one magnetize of heavy metal component；
Transfer unit transfers the magnetite portion；
Demagnetization unit, the magnetic for releasing the magnetite portion are attached and the magnetic powder falls off together with heavy metal component in the acid
In acid solution in sink；And
Magnetic powder recoverer detaches magnetic powder from the sediment being discharged by the magnetic powder discharge unit,
The magnetite portion has：Multiple rodlike magnetites；Maintaining part, make the multiple rodlike magnetite vacate as defined in gap and in lead
Histogram is fixed to arrangement.
2. heavy metal piece-rate system according to claim 1, which is characterized in that it has regeneration sink, the regeneration sink
Supernatant in storage stirred tank is sent to the stirred tank after removing condensation product by putting into coagulator.
3. heavy metal piece-rate system according to claim 1, which is characterized in that rodlike magnetite is arranged to the interior shape of stirred tank
Until 80%~90% position of size, and fixed with the arranged at equal intervals of 5cm~50cm.
4. a heavy metal species piece-rate system, which is characterized in that have：
1st stirred tank, has agitating unit, stirs the object to be processed containing heavy metal component in water；
Processed material precipitation portion is set to the lower section of the 1st stirred tank；
Stirred tank opening/closing unit makes to be opened and closed between processed material precipitation portion and the 1st stirred tank；
Sediment in processed material precipitation portion is discharged processed material discharge unit；
Discharge unit sends out the supernatant in the 1st stirred tank；
2nd stirred tank has agitating unit, and the supernatant sent out from the discharge unit and magnetic powder is stirred；
Magnetite portion, the 2nd stirred tank that can come in and go out are interior to which the magnetic powder is attached together with one magnetize of heavy metal component；
Transfer unit transfers the magnetite portion；
Sour water slot, the magnetite portion can come in and go out；
Demagnetization unit, the magnetic for releasing the magnetite portion are attached and the magnetic powder falls off together with heavy metal component in the acid
In acid solution in sink；
Magnetic powder precipitation portion is set to the lower section of the sour water slot；
Sour water slot opening/closing unit makes to be opened and closed between magnetic powder precipitation portion and the sour water slot；
The magnetic powder being deposited in magnetic powder precipitation portion is discharged magnetic powder discharge unit together with heavy metal component；With
And
Magnetic powder recoverer detaches magnetic powder from the sediment being discharged by the magnetic powder discharge unit,
The magnetite portion, has：Multiple rodlike magnetites；Maintaining part, make the multiple rodlike magnetite vacate as defined in gap and
Vertical direction arrangement is fixed.
5. heavy metal piece-rate system according to claim 4, which is characterized in that rodlike magnetite is arranged to the 2nd stirred tank
Until 80%~90% position of interior shape size, and fixed with the arranged at equal intervals of 5cm~50cm.
6. heavy metal piece-rate system according to claim 1 or 4, which is characterized in that magnetic powder is in load magnetic field 398kA/m
In saturated magnetization amount be 10Am2/ kg~300Am2/kg。
7. heavy metal piece-rate system according to claim 1 or 4, which is characterized in that rodlike magnetite is that have magnetic attached for side
The flux density in face is the permanet magnet of 100G~20000G,
Demagnetization unit has：The pluggable sheath of the rodlike magnetite；The dismounting that the sheath is pulled away from the rodlike magnetite
Mechanism,
In the state that the rodlike magnetite is accommodated in sheath, the magnetic powder in slot is invested into institute together with one magnetize of heavy metal component
Sheath pipe surface is stated, and in the state of the acid solution in being impregnated in sour water slot, pulls away rodlike magnetite from the sheath and releases
Magnetic is attached, to make the magnetic powder fall off in the sour water slot.
8. heavy metal piece-rate system according to claim 1 or 4, which is characterized in that rodlike magnetite is electromagnet, and demagnetization
Unit is the switching mechanism that will be opened/closed to the energization of the rodlike magnetite.
9. heavy metal piece-rate system according to claim 1 or 4, which is characterized in that near the liquid level of the sour water slot
Have the recycling piping of floating substance, the supernatant containing inorganic silicon that floating substance recycling piping recycling is floated in sour water slot.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015-236275 | 2015-12-03 | ||
| JP2015236275A JP5916936B1 (en) | 2015-12-03 | 2015-12-03 | Heavy metal separation system |
| JP2016-086816 | 2016-04-25 | ||
| JP2016086816A JP6116733B1 (en) | 2016-04-25 | 2016-04-25 | Heavy metal separation system |
| PCT/JP2016/082945 WO2017094448A1 (en) | 2015-12-03 | 2016-11-07 | Heavy metal separation system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107107073A CN107107073A (en) | 2017-08-29 |
| CN107107073B true CN107107073B (en) | 2018-10-09 |
Family
ID=58797092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680005178.2A Expired - Fee Related CN107107073B (en) | 2015-12-03 | 2016-11-07 | Heavy metal piece-rate system |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN107107073B (en) |
| TW (1) | TWI603923B (en) |
| WO (1) | WO2017094448A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107803270B (en) * | 2017-11-20 | 2023-07-18 | 华南理工大学 | Device for removing magnetic particles through powder suspension conveying pipeline |
| CN108905282A (en) * | 2018-07-18 | 2018-11-30 | 佛山市高明曦逻科技有限公司 | It is a kind of containing metallic particles purification object use and recovery method |
| CN112775143A (en) * | 2020-11-06 | 2021-05-11 | 邹玉文 | Sodium bichromate waste residue treatment method |
| CN117899984A (en) * | 2024-01-31 | 2024-04-19 | 盐城盛州禾润再生资源有限公司 | Building rubbish recycling device convenient to screen and application method thereof |
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| DD153064A1 (en) * | 1980-09-19 | 1981-12-23 | Peter Kurze | METHOD AND DEVICE FOR DIAMOND TRUCK RECOVERY FROM GRINDING SLUDGE |
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| JPS5120468A (en) * | 1974-08-09 | 1976-02-18 | Toyo Kasei Kogyo Co Ltd | Haiekichuno jukinzokujokyoho |
| JP3118793B2 (en) * | 1994-09-06 | 2000-12-18 | 株式会社石垣 | Separation method of toxic metals in sludge |
| US7255793B2 (en) * | 2001-05-30 | 2007-08-14 | Cort Steven L | Methods for removing heavy metals from water using chemical precipitation and field separation methods |
| JP2013184099A (en) * | 2012-03-07 | 2013-09-19 | Toshiba Corp | Magnetic particle for water treatment and water treatment method |
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2016
- 2016-11-07 WO PCT/JP2016/082945 patent/WO2017094448A1/en active Application Filing
- 2016-11-07 CN CN201680005178.2A patent/CN107107073B/en not_active Expired - Fee Related
- 2016-11-10 TW TW105136719A patent/TWI603923B/en not_active IP Right Cessation
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD153064A1 (en) * | 1980-09-19 | 1981-12-23 | Peter Kurze | METHOD AND DEVICE FOR DIAMOND TRUCK RECOVERY FROM GRINDING SLUDGE |
| CN1360978A (en) * | 2000-12-27 | 2002-07-31 | 松下电器产业株式会社 | Renewable resources treatment apparatus for waste electric appliances |
| WO2004078356A1 (en) * | 2003-03-05 | 2004-09-16 | Cymatec Gmbh | Separating device for magnetisable and non-magnetisable particles of a fluid medium |
| CN101380525A (en) * | 2007-09-03 | 2009-03-11 | 株式会社东芝 | Solid-liquid separator |
| JP2012232253A (en) * | 2011-04-28 | 2012-11-29 | Kinzo Ri | Multistage seawater purification system |
| JP2014018751A (en) * | 2012-07-19 | 2014-02-03 | Toshiba Corp | Apparatus and method for cleaning magnetic powder |
| CN104445790A (en) * | 2014-10-27 | 2015-03-25 | 乔世琴 | Method and device for comprehensively purifying wastewater containing heavy metal ions and organics |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201720760A (en) | 2017-06-16 |
| TWI603923B (en) | 2017-11-01 |
| CN107107073A (en) | 2017-08-29 |
| WO2017094448A1 (en) | 2017-06-08 |
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