WO2014200141A1 - Appareil du type procédé continu et procédé pour le traitement d'une huile isolante usée contenant du biphényle polychloré - Google Patents
Appareil du type procédé continu et procédé pour le traitement d'une huile isolante usée contenant du biphényle polychloré Download PDFInfo
- Publication number
- WO2014200141A1 WO2014200141A1 PCT/KR2013/006305 KR2013006305W WO2014200141A1 WO 2014200141 A1 WO2014200141 A1 WO 2014200141A1 KR 2013006305 W KR2013006305 W KR 2013006305W WO 2014200141 A1 WO2014200141 A1 WO 2014200141A1
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- WIPO (PCT)
- Prior art keywords
- insulating oil
- waste
- cyclone
- tank
- waste insulating
- Prior art date
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- 239000002699 waste material Substances 0.000 title claims abstract description 188
- 150000003071 polychlorinated biphenyls Chemical group 0.000 title claims abstract description 75
- 238000000034 method Methods 0.000 title claims abstract description 39
- 238000010924 continuous production Methods 0.000 title claims abstract description 26
- 238000011282 treatment Methods 0.000 claims abstract description 151
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 71
- 238000006243 chemical reaction Methods 0.000 claims abstract description 70
- 239000011734 sodium Substances 0.000 claims abstract description 69
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims abstract description 68
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 68
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 46
- 238000002156 mixing Methods 0.000 claims abstract description 35
- 238000000926 separation method Methods 0.000 claims abstract description 33
- 229910052751 metal Inorganic materials 0.000 claims abstract description 31
- 239000002184 metal Substances 0.000 claims abstract description 31
- 239000011780 sodium chloride Substances 0.000 claims abstract description 23
- 239000002244 precipitate Substances 0.000 claims abstract description 17
- 238000003860 storage Methods 0.000 claims abstract description 15
- 238000011033 desalting Methods 0.000 claims abstract description 11
- 238000002203 pretreatment Methods 0.000 claims abstract description 8
- 238000001556 precipitation Methods 0.000 claims abstract description 7
- 239000003921 oil Substances 0.000 claims description 204
- 239000007789 gas Substances 0.000 claims description 61
- 238000004062 sedimentation Methods 0.000 claims description 40
- 238000003756 stirring Methods 0.000 claims description 30
- 238000010612 desalination reaction Methods 0.000 claims description 27
- 238000012545 processing Methods 0.000 claims description 26
- 238000006298 dechlorination reaction Methods 0.000 claims description 25
- 230000008569 process Effects 0.000 claims description 18
- 239000013049 sediment Substances 0.000 claims description 17
- 238000009413 insulation Methods 0.000 claims description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 8
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 5
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 5
- 230000006698 induction Effects 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000012546 transfer Methods 0.000 claims description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- 229910052744 lithium Inorganic materials 0.000 claims description 2
- 239000002912 waste gas Substances 0.000 claims 4
- 239000010734 process oil Substances 0.000 claims 2
- 238000005452 bending Methods 0.000 claims 1
- 230000000630 rising effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- 239000005871 repellent Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000002144 chemical decomposition reaction Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000002940 repellent Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 150000002013 dioxins Chemical class 0.000 description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000007669 thermal treatment Methods 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- -1 heating mediums Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000011866 long-term treatment Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- SYSQUGFVNFXIIT-UHFFFAOYSA-N n-[4-(1,3-benzoxazol-2-yl)phenyl]-4-nitrobenzenesulfonamide Chemical class C1=CC([N+](=O)[O-])=CC=C1S(=O)(=O)NC1=CC=C(C=2OC3=CC=CC=C3N=2)C=C1 SYSQUGFVNFXIIT-UHFFFAOYSA-N 0.000 description 1
- 238000006864 oxidative decomposition reaction Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000001846 repelling effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M175/00—Working-up used lubricants to recover useful products ; Cleaning
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M175/00—Working-up used lubricants to recover useful products ; Cleaning
- C10M175/0091—Treatment of oils in a continuous lubricating circuit (e.g. motor oil system)
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/14—Electric or magnetic purposes
- C10N2040/16—Dielectric; Insulating oil or insulators
Definitions
- the present invention relates to an apparatus and a method for treating waste insulating oil containing polychlorinated biphenyls (PCBs) in an environmentally friendly and harmless continuous process, and more particularly, to a waste insulating oil containing polychlorinated biphenyls (PCBs).
- Venturi is passed through the pretreatment tank, which is oil-injected and stored from the waste transformer, condenser, safety device, and breaker, and is heated to a certain temperature, and the venturi tube, in which the heated waste insulating oil is gradually narrowed from both sides to the center.
- Metal sodium a dechlorination reagent
- a mixed reaction apparatus in which polychlorinated biphenyls and molten sodium are chemically reacted and subjected to primary desalination, and waste insulating oil subjected to primary desalination.
- the waste insulating oil of the sedimentation tank located at the end is sent to the treatment oil storage tank, and the precipitated sodium chloride and various sediment are discharged to the outside after treatment, and the exhaust gas generated from the pretreatment, the cyclone treatment tank and the after treatment is filtered and harmful.
- Composed of exhaust gas treatment unit for discharging gas component by pyrolysis It relates to a waste insulating oil continuous process type processing apparatus and method containing polychlorinated biphenyls.
- PCBs Polychlorinated biphenyls
- insulating oils heating mediums, lubricants, and plasticizers, and thus have high value for use. Therefore, as a substance used for various purposes, it is basically a compound in which hydrogen bonded to ten hydrogen atom positions in biphenyl (C 6 H 5 -C 6 H 5 ) is substituted with 1 to 10 chlorine atoms.
- polychlorinated biphenyls used as insulating oils for transformers and capacitors are introduced into sewage treatment plants after use, causing environmental destruction and changes in ecosystems. These polychlorinated biphenyls are used without any environmental measures. Was found to be a serious pollutant, and its production and use has been discontinued worldwide since 1976. However, 1 million tonnes of polychlorinated biphenyls have already been released to the world, and the amount of disposal has reached 2 million tonnes. It is known that a large amount of oil containing the polychlorinated biphenyl component to be treated is urgently required for its efficient decomposition method.
- Korean Patent Publication No. 10-1000462 discloses that the polychlorinated biphenyl from the container of the waste transformer, capacitor, safety device, breaker A predetermined amount of waste insulating oil is stored and preheated to a predetermined temperature, and the preheated waste insulating oil from the pretreatment tank is transferred and stored in a predetermined amount. And a reaction tank for mixing and stirring the polychlorinated biphenyl contained in the waste insulating oil with molten sodium and desalting the molten sodium, and the desalted waste insulating oil from the reaction tank is transferred to a predetermined amount and stored at room temperature for cooling.
- While separating the internal temperature is maintained above the melting point of the sodium metal so that the metal sodium contained in the precipitate is remelted and sent back to the reactor to be reused, and the exhaust gas generated in the pre-treatment tank, the reaction tank and the after-treatment tank It characterized by consisting of an exhaust gas treatment unit for passing through the exhaust gas treatment device stored in the liquid sodium at a certain water level to desalination of the polychlorinated biphenyls contained in the exhaust gas and to filter the filtered gas to discharge the purified gas. Waste insulating oil treatment plant containing polychlorinated biphenyl And a method have been disclosed.
- metal sodium which is a dechlorination reagent, is added to the reaction vessel and melted, so that polychlorinated biphenyl contained in the waste insulating oil and the molten liquid sodium are chemically desalted.
- the metal sodium is not melted well in the reaction tank and is not evenly mixed with the waste insulating oil, so the processing efficiency is very low and the processing time is long, and the unmelted solid metal sodium remains in the reaction tank, There was a problem that a safety accident such as a fire occurred due to the explosive reaction.
- the aftertreatment tank consists of a single cylindrical casing having a cone shape at the bottom, and the waste insulating oil floated on the upper side by a simple precipitation method is sent to the treatment oil storage tank.
- the present invention is to solve the above problems, but the waste insulating oil containing polychlorinated biphenyl is treated by a chemical decomposition treatment method using a metal sodium dispersion method, the waste insulating oil through a venturi tube provided in the mixing reaction apparatus
- the molten sodium from the reagent supply device connected to the venturi tube is continuously introduced and mixed by the pressure difference according to the flow rate change of the waste insulating oil passing through the inside of the central part of the venturi tube, and the polychlorinated biphenyl of the waste insulating oil is continuously passed.
- the super-melt sodium is chemically reacted to make the first desalination treatment, and the first desalination treatment waste oil is discharged into the cyclone treatment tank so that the polychlorinated biphenyl of the waste insulation oil is secondly desalted and mixed evenly with the molten sodium.
- the exhaust gas is discharged upward by generating a vortex that rises in the Secondary desalination waste insulating oil through two sedimentation tanks is cooled continuously at room temperature and continuously overflows. Sodium chloride and various sediments produced during desalting are precipitated and the waste insulating oil stored in the sedimentation tank located at the last is treated oil storage tank.
- the purpose of the present invention is to remove the polychlorinated biphenyls contained in the waste insulating oil safely and quickly in a continuous process by desalting.
- a pre-treatment tank in which waste insulating oil containing polychlorinated biphenyl is oiled from a container, stored in a container, and heated at a predetermined temperature, and a venturi tube having a narrower inner diameter as the heated waste insulating oil moves from both sides to the center part.
- the metal sodium which is a dechlorination reagent
- the metal sodium is melted from the reagent supply device connected to the center of the venturi tube while passing through, it is naturally introduced and mixed by the pressure difference according to the flow rate of the waste insulating oil passing through the inside of the center of the venturi tube.
- the mixed reaction device in which the polychlorinated biphenyl and the molten sodium contained in the waste insulating oil are chemically reacted and subjected to the first desalination treatment, and the waste insulating oil in the process of discharging the first desalted waste insulating oil inward and spirally downward along the inner circumferential surface.
- Polychlorinated biphenyls in secondary desalination by molten sodium cause vortices to rise to the inner center
- the exhaust gas is discharged upward and the desalted waste insulating oil is discharged downward, and the secondary desalted waste insulating oil is introduced into the inside and cooled at room temperature.
- the exhaust gas treatment unit for filtering the exhaust gas generated in the treatment tank and the after-treatment tank and thermally decomposes harmful gas components.
- the waste insulating oil containing polychlorinated biphenyl is treated by a chemical decomposition treatment method using a metal sodium dispersion method, while the waste insulating oil is continuously passed through the venturi tube provided in the mixing reactor.
- the molten sodium from the reagent supply device connected to the venturi tube is naturally introduced and mixed by the pressure difference due to the change in the flow rate of the waste insulating oil passing through the inside of the central part of the venturi tube.
- the reaction is first desalted, and the first desalted waste insulating oil is discharged to the inside of the cyclone treatment tank so that the polychlorinated biphenyl of the waste insulating oil is mixed with molten sodium evenly to generate the second desalted and rise to the inner center.
- Discharge the exhaust gas upward, and desalination through a plurality of sedimentation separation tanks divided into multiple stages of the after-treatment tank As waste oil is cooled at room temperature and continuously overflows, the sodium chloride and various precipitates generated during desalting are precipitated and the waste insulation oil stored in the sedimentation tank located at the end is sent to the treatment oil storage tank to be safely and quickly used in a continuous process. Desalination of the polychlorinated biphenyls contained in it has the effect of maximizing the overall treatment efficiency.
- FIG. 1 is a schematic view showing the overall processing of the waste insulating oil continuous process treatment apparatus according to the present invention
- Figure 2 is a schematic cross-sectional view of the mixing reaction device in the waste oil continuous process type processing apparatus according to the present invention
- Figure 3 is a schematic cross-sectional view of the cyclone treatment tank and the after-treatment tank in the waste oil continuous process type processing apparatus according to the present invention
- Figure 4 is a schematic cross-sectional view of the impeller means in the waste oil continuous process type processing apparatus according to the present invention
- Figure 5 is a schematic cross-sectional view of the stirring reinforcing means in the waste insulating oil continuous process type processing apparatus according to the present invention
- Waste Insulating Oil Continuous Processing System 2. Container
- Reagent supply tube 18. Reagent inlet
- Heating means 20 Refined oil inlet
- the waste insulating oil continuous processing apparatus 1 includes polychlorinated biphenyls (PCBs) used for insulation of waste transformers, capacitors, safety devices, and breakers, as shown in FIGS. 1 to 5. It is a device that treats contained waste insulating oil in an environmentally and harmless continuous process type, and waste insulating oil containing polychlorinated biphenyl is introduced into and stored from a vessel (2) such as a waste transformer, a condenser, a safety device, or a breaker and The central part 15 of the venturi tube 11 is passed through the pretreatment tank 3 to be heated to a temperature, and the heated waste insulating oil passes through the venturi tube 11 having a narrower inner diameter from both sides toward the central portion 15.
- PCBs polychlorinated biphenyls
- the metal sodium which is a dechlorination reagent, is melted from the reagent supply device 16 connected to the mixture, and is naturally mixed by the pressure difference according to the flow rate of the waste insulating oil passing through the inside of the central portion 15 of the venturi tube 11.
- the cyclone treatment tank 22 discharges the exhaust gas upward and discharges the desalted waste insulating oil downward by generating a vortex that rises in the inner center while mixing the waste insulating oil with molten sodium in the secondary desalination process.
- the treated waste insulating oil is introduced into the inside and cooled at room temperature, and continuously overflows through a plurality of sedimentation separation tanks 30 partitioned in multiple stages. Sodium chloride and various sediments generated during desalting are precipitated and the sedimentation separation tank located at the end.
- the waste insulating oil of (30) is sent to the treatment oil storage tank 33, and the post-treatment tank 29, in which the precipitated sodium chloride and various precipitates are discharged to the outside, It consists of pre-treatment group (3) and ssayikeuron treatment tank 22 and the exhaust gas processing unit 38 for filtering the exhaust gas generated in the tank 29 and then discharged by thermal decomposition of harmful gas components.
- waste insulating oil containing polychlorinated biphenyl is introduced into and stored from a vessel 2 such as a waste transformer, a condenser, a safety device, or a breaker as shown in FIG.
- the pretreatment tank 3 has a predetermined cylindrical casing, and the oil repellent pump 4 is oil-repelled from a container 2 such as a normal transformer, a condenser, a safety device, and a breaker by an oil repelling pump 4 at an upper portion of the pretreatment tank 3.
- Pre-treatment tank inlet (5) through which the waste insulating oil flows is formed so that a predetermined amount of waste insulating oil flows into the pretreatment tank (3), and a normal heating heater (6) is installed therein.
- the waste insulating oil is heated to about 100 ⁇ 150 °C to prevent the explosion of molten sodium due to moisture during chemical reaction between the waste insulating oil and molten sodium due to the evaporation of moisture contained in the waste insulating oil.
- the pre-treatment tank outlet 7 is formed on the other side lower portion of the pretreatment tank (3)
- the oil repellent pump 4 is controlled so that the waste insulating oil repelled from 2) no longer flows in.
- the pretreatment tank 3 has a pretreatment gas outlet 9 formed on the upper side of the pretreatment tank 3 so that various exhaust gases including oil vapor and moisture generated during the warming process are discharged through the pretreatment gas discharge port 9. It is to be sent to (38).
- the mixing reactor 10 includes a venturi tube 11 in which waste insulating oil heated to a predetermined temperature in a pretreatment tank 3 is gradually narrower from both sides to a central portion 15. Passing through the inside of the central portion 15 of the venturi tube 11 in a molten state of the metal sodium, which is a dechlorination reagent, from the reagent supply device 16 connected to the central portion 15 of the venturi tube 11. Due to the pressure difference caused by the change in the flow rate of the waste insulating oil, it is naturally mixed evenly, and the polychlorinated biphenyl and the molten sodium contained in the waste insulating oil are chemically reacted to perform the first desalination treatment.
- the mixed reaction inlet pipe 12 is connected to the waste insulating oil heated by the transfer pump 13 installed on the pipe in a state connected to the pretreatment tank outlet 7 of the pretreatment tank 3 through the pipe.
- Mixed reaction inlet pipe at constant flow rate (12) The venturi tube 11 is passed through, and the other side of the venturi tube 11 is connected to the mixed reaction discharge pipe 14 connected to the cyclone treatment tank 22, and the venturi tube 11 is The inner diameter is gradually narrowed from one side to the inner central portion 15, and the inner diameter of the central portion 15 has a minimum value, and the inner diameter is gradually widened from the central portion 15 to the other side, and the venturi tube 11 is formed.
- the waste insulating oil supplied from the mixed reaction inlet pipe 12 having a relatively large diameter passes through the inner central portion 15 of the venturi tube 11 having a smaller diameter. Bernoulli during discharge to According to the principle, as the flow rate of the waste insulating oil passing through the central portion 15 increases instantaneously, the pressure is lowered, and a pressure difference is generated between the inside of the venturi tube 11 and the reagent supply tube 17, thereby reducing the reagent from the reagent supply tube 17.
- the molten sodium stored in the supply device 16 is naturally input by a predetermined amount so that the waste insulating oil and the molten sodium are mixed. Accordingly, the polychlorinated biphenyl contained in the waste insulating oil undergoes a chemical reaction with the molten sodium. It is supposed to be desalted.
- the mixing reaction device 10 is one or a plurality of impeller means 42 are installed in the mixed reaction discharge pipe 14 connected to the venturi tube 11, as shown in Figure 4 waste oil and dechlorination
- the impeller means 42 is provided with an impeller pipe 43 having the same inner diameter as the mixing reaction discharge pipe 14 and the impeller pipe 43 in the center of the impeller pipe 43
- a central axis 44 is provided, and a plurality of fixed blades 45a and 45b are radially attached to the front and rear ends of the central axis 44, respectively, and a central portion of the central axis 44 is provided.
- the impeller body 46 is rotatably installed, and a plurality of rotary blades 47 are fixedly attached to the outer circumferential surface of the impeller body 46, and the waste insulating oil in which the dechlorination reagent from the mixed reaction discharge pipe 14 is mixed.
- the rotary blade 47 On the inlet side of the impeller piping 43 While passing through the fixed blade 45a, the rotary blade 47, and the fixed blade 45b provided on the outlet side, the rotary blade 47 is naturally rotated by the flow rate of the waste insulating oil so that the waste insulating oil and the dechlorination reagent are evenly distributed. It is intended to be stirred and mixed.
- the mixing reaction device 10 includes one or more stirring reinforcing means 48 connected to the mixing reaction discharge pipe 14 connected to the venturi pipe 11 to remove waste insulating oil.
- the stirring mixture of the chlorine reagent is further strengthened, but the stirring reinforcing means 48 is provided with a stirring pipe 49 having the same inner diameter as the mixing reaction discharge pipe 14 and one side of the inner circumferential surface of the stirring pipe 49.
- One side plate of the waste insulating oil impregnated with the dechlorination reagent from the mixed reaction discharge pipe 14 is installed so that the other side plate 51 is positioned between the plurality of one side plate 50. Zigzag between zigzag 50 and other side plate 51 While passing through ag), waste insulating oil and dechlorination reagent are mixed and stirred evenly.
- the reagent supply device 16 is a cylindrical casing having a cone-shaped pointed bottom portion and a reagent inlet 18 is installed on the upper portion thereof so that a predetermined amount of dechlorine reagent is used as metal sodium or metal.
- Lithium is introduced and stored, and the reagent supply pipe 17 having a predetermined length protrudes vertically downward at a lower end formed in a cone shape in the reagent supply device 16, and a conventional banding heater on the outer circumferential surface of the reagent supply pipe 17.
- venturi tube (11) Is installed through the central portion 15 of the venturi tube 11 and communicates with the inner side of the venturi tube 11 while the metal sodium from the reagent supply device 16 is molten. As it is to be injected.
- the reagent supply device 16 has a refined oil inlet 20 formed on one side thereof, and a predetermined amount of refined insulating oil is introduced therein through the refined oil inlet 20 to remove metal sodium, which is a dechlorination reagent, in the air.
- the nitrogen gas inlet 21 is formed on the other side of the reagent supply device 16 so that metal sodium and refined oil are stored and stored in the reagent supply device 16. Nitrogen gas is filled in the upper part to block the inflow of external air.
- the mixing reaction device 10 is supplied from the reagent supply device 16 because the blocking safety wall 41 is surrounded by a predetermined interval at the outer periphery of the venturi tube 11 and the reagent supply device 16. It is designed to prevent safety accidents due to explosive chemical reactions caused by contact of molten sodium with moisture, which is a dechlorination reagent.
- the cyclone treatment tank 22 melts the waste insulating oil in the process of discharging the primary desalted waste insulating oil from the mixing reaction device 10 to the inside and transporting the spiral downward along the inner circumferential surface.
- Sodium is evenly mixed to generate a vortex that rises in the inner center as the second desalination treatment discharges the exhaust gas upward and discharges the desalted waste insulating oil downward, but the cyclone treatment tank 22 has a sharp bottom portion.
- a cylindrical casing having a cone shape, and a cyclone inlet port 23 connected to the other end of the mixed reaction discharge pipe 14 is formed at one upper portion thereof, and a cyclone gas outlet 24 is formed at the upper portion of the inner central portion thereof.
- the center tube 25 is formed to be fixed vertically and the center tube 25 has an upper portion protruded to the outer side of the cyclone treatment tank 22 and the lower portion is open It is installed spaced apart from the inner lower portion of the cyclone treatment tank 22, the lower portion of the cyclone treatment tank 22 is connected to the cyclone inlet 23 of the predetermined length of the cyclone discharge pipe 26 is installed and connected to the cyclone inlet 23
- An induction furnace 27 is formed above the inner circumferential surface of the treatment tank 22 so that the primary desalted waste insulating oil discharged into the cyclone treatment tank 22 through the mixed reaction discharge pipe 14 is the induction furnace 27.
- the cyclone treatment tank 22 is a secondary desalination treatment and lowered to the bottom of the cone-shaped cyclone discharge pipe while mixing the waste insulating oil and molten sodium evenly in the process of the primary desalted waste insulating oil is transported downward spirally. It is to be sent to the after-treatment tank 29 through 26 and the lower portion of the cyclone discharge pipe 26 is a cyclone treatment tank in the state of being put into the first sedimentation separation tank 30 partitioned in the after-treatment tank (29) It is designed to naturally discharge the secondary desalted waste insulating oil from 22).
- the cyclone discharge pipe 26 is a secondary desalting treatment discharged downward through the cyclone discharge pipe 26 is installed at a predetermined interval spaced apart by a predetermined distance between the collision prevention port 28 made of a cone-shaped cap with a lower point at the lower end portion.
- Waste insulating oil is not immediately discharged to the sedimentation separation tank 30, but discharged to the sedimentation separation tank 30 while the discharge speed is reduced by the collision prevention port 28, the first sedimentation separation tank 30 of the after-treatment tank (29)
- Sodium chloride and metal sodium and various precipitates that are settled in the inner lower portion is prevented from being mixed again by collision with the desalted waste insulating oil discharged through the cyclone discharge pipe 26.
- the cyclone treatment tank 22 has one or a plurality of impeller means 42 connected to the cyclone discharge pipe 26 installed vertically connected to the lower end as shown in FIG. It is to be stirred and mixed evenly, the impeller means 42 is provided with an impeller pipe 43 having the same inner diameter as the cyclone discharge pipe 26 and the central axis along the impeller pipe 43 in the center of the impeller pipe 43 (44) is provided and a plurality of fixed blades (45a, 45b) are fixed to the front and rear ends of the central axis 44, respectively, and the impeller body in the center of the central axis (44) (46) is rotatably installed, and a plurality of rotary blades (47) are fixedly attached to the outer circumferential surface of the impeller body (46) so that the waste insulating oil mixed with dechlorination reagent from the cyclone discharge pipe (26) is impeller pipe.
- the impeller means 42 is provided with an impeller pipe 43 having the same inner diameter as the cyclone discharge pipe 26 and the central
- the rotary blade 47 is naturally rotated by the flow rate of the waste insulating oil while passing through the fixed blade 45a and the rotary blade 47 and the fixed blade 45b provided on the outlet side of the inlet. And dechlorination reagents are to be mixed and stirred evenly.
- the cyclone treatment tank 22 is one or more stirring reinforcing means 48 is installed in the cyclone discharge pipe 26 is connected to the bottom vertically as shown in Figure 5, the waste insulating oil and dechlorination reagent
- the stirring reinforcing means 48 is provided with a stirring pipe 49 having the same inner diameter as the cyclone discharge pipe 26, a plurality of inner peripheral surface side of the stirring pipe 49
- One side plate 50 is fixedly installed at a predetermined interval along the stirring pipe 49, and a plurality of other side plates 51 are fixedly installed at a predetermined distance along the stirring pipe 49 on the other side of the inner circumferential surface of the stirring pipe 49.
- the other side plate 51 is located between the plurality of one side plate 50 so that the waste insulating oil mixed with the dechlorination reagent from the cyclone discharge pipe 26 is the one side plate 50 and the other side of the impeller pipe 43. Between the plates 51 While passing through the zigzag type, the waste insulating oil and the dechlorination reagent are uniformly stirred and mixed.
- the post-treatment tank 29 includes a plurality of sedimentation separation tanks separated by a multi-stage while the secondary desalted waste insulating oil from the cyclone treatment tank 22 is introduced into the inside and cooled to room temperature.
- Sodium chloride and various precipitates generated during the desalination treatment by continuously overflowing through 30) are precipitated and continuously overflowed, and the waste insulating oil stored in the sedimentation separation tank 30 positioned at the end is separated into a separate treatment oil storage tank 33.
- the post-treatment tank 29 is a long rectangular tubing casing left and right
- the bottom surface of the plurality of partitions 31 are provided at regular intervals, and the upper end of the plurality of partitions 31 is provided to be spaced apart from the inner upper surface of the after-treatment tank 29 by a predetermined distance.
- a plurality of sedimentation separation tank 30 is divided into a multi-stage set in the after-treatment tank 29, the plurality of sedimentation separation tank 30
- the sedimentation separation tank (30) located in the first is installed so that the lower end of the cyclone discharge pipe 26 provided in the cyclone treatment tank 22 is located at the inner middle height 2 is discharged downward through the cyclone discharge pipe (26)
- the solid desalted waste oil is placed in the sedimentation separation tank (30), which is located first, and is cooled at room temperature to produce solid sodium chloride and the remaining molten sodium remaining in the cyclone treatment tank (22).
- the after-treatment tank outlet 32 is formed so that the waste insulating oil from which sediment is removed through the after-treatment tank outlet 32 is sent to and stored in the treatment oil storage tank 33 and is regenerated after a conventional method. It is intended to be used for oil.
- the post-treatment tank 29 has a hopper portion 34 protruded integrally formed at the lower portion of the sedimentation separation tank 30 located first, and one side end portion of the screw feeder 35 at the hopper portion 34. It is installed in the penetrating state to the inside, and various precipitates including sodium chloride and metal sodium, which are precipitated in the sedimentation separation tank 30 located first, are gathered and stored in the hopper part 34 and various kinds of screw feeders 35 are used. Sediment is to be discharged to the outside.
- the post-treatment tank 29 is a lower surface portion of the hopper portion 34 protruding from the lower portion of the sedimentation tank 30 located first and the lower surface portion of the remaining sedimentation tank 30 by a conventional valve, respectively.
- the discharge drains 36a and 36b which are opened and closed are installed to go through the post-treatment process and then discharge and process various residues remaining in the after-treatment tank 29 to the outside.
- the after-treatment tank 29 has a post-treatment tank gas outlet 37 formed on the upper side of the post-treatment tank 29, and various exhaust gases including oil vapor and moisture generated in the post-treatment tank 29 are post-processing tank gas outlets 37, to be sent to the exhaust gas treatment unit 38.
- the exhaust gas treatment unit 38 filters exhaust gas generated in the pretreatment tank 3, the cyclone treatment tank 22, and the aftertreatment tank 29, and thermally decomposes harmful gas components.
- the exhaust gas generated in the pretreatment tank 3, the cyclone treatment tank 22, and the aftertreatment tank 29 is collected, and passes through a purification filter 39 made of ordinary activated carbon or the like, and the harmful components are filtered out. It is supposed to pass through the ignition coil 40 heated to about 300 ⁇ 500 °C, so that the filtered exhaust gas passes through the ignition coil 40, polychlorinated biphenyl and various harmful gas components are thermally decomposed and burned. The exhaust gas is to be released to the atmosphere in an environmentally harmless state.
- the waste insulating oil continuous process type processing apparatus 1 can be mounted on a vehicle such as a conventional truck or a truck, so that the waste insulating oil can be processed in a mobile manner.
- waste insulating oil containing polychlorinated biphenyl contained in a container (2) such as a conventional waste transformer, a condenser, a safety device, and a breaker is desalted by using the waste insulating oil continuous processing apparatus 1 according to the present invention.
- waste insulating oil containing polychlorinated biphenyl contained in each container 2 is oil-repelled by the oil-repellent pump 4 as shown in FIG.
- the waste insulation oil is approximately 100 to 150 ° C. by heating the heating heater 6 installed inside the pretreatment tank 3.
- the waste insulating oil is removed from the venturi tube 11 of the mixed reaction device 10. For passing Pre-treat with molten sodium for a quick chemical reaction in a short time.
- Waste insulation oil heated to a predetermined temperature as described above is sent to the mixing reaction device 10 in a state having a constant flow rate by the transfer pump 13 and through the mixing reaction inlet pipe 12 of the mixing reaction device 10 In the middle of the venturi tube 11, the waste insulating oil supplied from the mixed reaction inlet tube 12 having a relatively large diameter becomes smaller in diameter as shown in FIG. According to Bernoulli's principle, the flow rate of the waste insulating oil passing through the central portion 15 increases momentarily while the pressure decreases immediately after passing through the mixed reaction discharge pipe 14 having a large diameter.
- a pressure difference is generated between the inside of the venturi tube 11 and the reagent supply tube 17 connected to the central portion 15 of the venturi tube 11 to store the molten sodium stored in the reagent supply device 16 from the reagent supply tube 17.
- the waste insulating oil and the molten sodium are mixed, so that the polychlorinated biphenyl contained in the waste insulating oil is subjected to the first desalination treatment while chemically reacting with the molten sodium.
- the primary desalted waste insulating oil is discharged inward through the induction furnace 27 of the cyclone treatment tank 22 via the mixed reaction discharge pipe 14, and is transported downward along the inner circumferential surface of the cyclone treatment tank 22.
- the inner central tube 25 of the cyclone treatment tank 22 generates rising vortices and various exhaust gases including oil vapor and water generated during desalting reaction along the vortices are moved upward. It is sent to the exhaust gas treatment unit 38 through the cyclone gas outlet 24 in the upper part of the pipe 25, and the waste insulating oil and the molten sodium are evenly mixed while the primary desalted waste insulating oil is transported downward in a spiral manner.
- the secondary desalination is carried out to the bottom of the cone shape and sent to the aftertreatment tank 29 through the cyclone discharge pipe 26.
- the secondary desalted waste insulating oil discharged downward through the cyclone discharge pipe 26 is stored in the first precipitation separation tank 30 provided inside the after-treatment tank 29 and is cooled at room temperature to be generated during desalination treatment.
- Various precipitates including solid sodium chloride and metal sodium produced by unreacted molten sodium remaining in the cyclone treatment tank 22 are recrystallized, are precipitated to the bottom, and the specific gravity of the waste insulating oil floated on the upper partition walls 31 If the height of the excess flows through the sedimentation tank 30 in the next column overflows the sedimentation tank 30 in a manner that the sediment is precipitated again, the various kinds of sediment contained in the secondary desalted waste insulating oil
- the waste insulating oil from which sediment is removed is passed through the after-treatment tank outlet 32 of the sedimentation separation tank 30 positioned at the end and sent to the treatment oil storage tank 33, and stored according to a conventional method.
- various precipitates including sodium chloride and metal sodium are collected and stored in the hopper part 34 installed under the first precipitation separation tank 30 of the after-treatment tank 29 and the hopper part ( Various precipitates are discharged to the outside along the screw feeder 35 installed through 34).
- the exhaust gas generated in the pretreatment tank 3, the cyclone treatment tank 22, and the aftertreatment tank 29 passes through a purification filter 39 provided in the exhaust gas treatment unit 38 to purify harmful components.
- the ignition coil 40 is heated to about 300 ⁇ 500 °C polychlorinated biphenyls and various harmful gas components are thermally decomposed and the exhaust gas is discharged to the atmosphere in an environmentally harmless state.
- the continuous process type processing apparatus for waste insulating oil containing polychlorinated biphenyls (PCBs) safely and quickly treats the waste insulating oil in a continuous process while being environmentally harmless.
- Dechlorination of phenyl can maximize the overall treatment efficiency, so waste insulation oil generated from waste transformers, condensers, safety devices, breakers, etc. will be widely used in the field of purification.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Fire-Extinguishing Compositions (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
La présente invention porte sur un appareil de type procédé continu et sur un procédé pour traiter une huile isolante usée contenant du biphényle polychloré, l'appareil comprenant : un bain de prétraitement, dans lequel l'huile isolante usée est introduite puis stockée et chauffée ; un dispositif de mélange et de réaction, dans lequel l'huile isolante usée chauffée est mélangée à du sodium métallique fondu tout en passant par un tube Venturi, puis est soumise à un premier dessalement par une réaction chimique du biphényle polychloré contenu dans l'huile isolante usée et du sodium fondu, le sodium métallique fondu étant introduit dans une portion centrale du tube Venturi à partir d'un dispositif d'introduction de réactif raccordé à la portion centrale du Venturi ; un bain de traitement à cyclone dans lequel, pendant que l'huile isolante usée et le sodium fondu sont mélangés et soumis à un deuxième dessalement dans l'opération de transfert vers le bas, selon une spirale, de l'huile isolante usée ayant subi le premier dessalement, un gaz d'évacuation est évacué vers le haut, par remontée des vortex générés au centre de l'intérieur, et l'huile isolante usée dessalée est évacuée vers le bas ; et un bain de post-traitement dans lequel, pendant que l'huile isolante usée ayant subi le deuxième dessalement est introduite à l'intérieur puis refroidie à la température ambiante, le chlorure de sodium et différents types de précipités générés au moment d'un traitement de dessalement subissent une précipitation, et l'huile isolante usée est transférée à un bain de stockage d'huile de traitement, en passant par une pluralité de bains de précipitation et de séparation.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20130066921A KR101490304B1 (ko) | 2013-06-12 | 2013-06-12 | 폴리염화비페닐이 함유된 폐절연유 연속공정식 처리장치 및 방법 |
| KR10-2013-0066921 | 2013-06-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2014200141A1 true WO2014200141A1 (fr) | 2014-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2013/006305 WO2014200141A1 (fr) | 2013-06-12 | 2013-07-15 | Appareil du type procédé continu et procédé pour le traitement d'une huile isolante usée contenant du biphényle polychloré |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR101490304B1 (fr) |
| WO (1) | WO2014200141A1 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106583069A (zh) * | 2016-12-22 | 2017-04-26 | 武汉工程大学 | 一种介质清洗系统 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101869333B1 (ko) * | 2017-02-14 | 2018-06-21 | 이달은 | 열분해기용 정제기 |
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|---|---|---|---|---|
| JP2003082382A (ja) * | 2001-09-14 | 2003-03-19 | Japan Atom Energy Res Inst | 水添加遠心分離による廃潤滑油の精製法 |
| JP2005276964A (ja) * | 2004-03-24 | 2005-10-06 | Takaoka Electric Mfg Co Ltd | ポリ塩化ビフェニルに汚染された電気機器を継続使用可能に再生する方法およびシステム |
| JP2006205106A (ja) * | 2005-01-31 | 2006-08-10 | Sanwa Yuka Kogyo Kk | ポリ塩化ビフェニールの脱塩素化分解残渣の処理方法 |
| KR20080108003A (ko) * | 2007-06-07 | 2008-12-11 | 김병문 | 폐절연유 처리 장치 및 방법 |
| KR20100024153A (ko) * | 2008-08-25 | 2010-03-05 | 김병문 | 폴리염화비페닐이 함유된 폐절연유 처리장치 및 방법 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101082795B1 (ko) * | 2009-06-04 | 2011-11-11 | 김병문 | 폴리염화비페닐이 함유된 고상폐기물 처리장치 및 방법 |
| KR101021690B1 (ko) | 2010-05-12 | 2011-03-22 | (주)원창에너지 | 폴리염화비페닐을 함유하는 폐절연유의 처리 방법 |
-
2013
- 2013-06-12 KR KR20130066921A patent/KR101490304B1/ko active IP Right Grant
- 2013-07-15 WO PCT/KR2013/006305 patent/WO2014200141A1/fr active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003082382A (ja) * | 2001-09-14 | 2003-03-19 | Japan Atom Energy Res Inst | 水添加遠心分離による廃潤滑油の精製法 |
| JP2005276964A (ja) * | 2004-03-24 | 2005-10-06 | Takaoka Electric Mfg Co Ltd | ポリ塩化ビフェニルに汚染された電気機器を継続使用可能に再生する方法およびシステム |
| JP2006205106A (ja) * | 2005-01-31 | 2006-08-10 | Sanwa Yuka Kogyo Kk | ポリ塩化ビフェニールの脱塩素化分解残渣の処理方法 |
| KR20080108003A (ko) * | 2007-06-07 | 2008-12-11 | 김병문 | 폐절연유 처리 장치 및 방법 |
| KR20100024153A (ko) * | 2008-08-25 | 2010-03-05 | 김병문 | 폴리염화비페닐이 함유된 폐절연유 처리장치 및 방법 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106583069A (zh) * | 2016-12-22 | 2017-04-26 | 武汉工程大学 | 一种介质清洗系统 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20140145229A (ko) | 2014-12-23 |
| KR101490304B1 (ko) | 2015-02-12 |
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