CN108511772B - System for treating waste dry batteries by chemical method and waste dry battery treatment method - Google Patents
System for treating waste dry batteries by chemical method and waste dry battery treatment method Download PDFInfo
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- CN108511772B CN108511772B CN201810443733.0A CN201810443733A CN108511772B CN 108511772 B CN108511772 B CN 108511772B CN 201810443733 A CN201810443733 A CN 201810443733A CN 108511772 B CN108511772 B CN 108511772B
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- 239000002699 waste material Substances 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000000126 substance Substances 0.000 title claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 claims abstract description 102
- 210000003298 dental enamel Anatomy 0.000 claims abstract description 94
- 238000012806 monitoring device Methods 0.000 claims abstract description 14
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000011701 zinc Substances 0.000 claims abstract description 8
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 31
- 238000010438 heat treatment Methods 0.000 claims description 20
- 238000005070 sampling Methods 0.000 claims description 16
- 239000003513 alkali Substances 0.000 claims description 13
- 238000011010 flushing procedure Methods 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 13
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 claims description 9
- 239000000376 reactant Substances 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- 239000010926 waste battery Substances 0.000 claims description 8
- 239000008213 purified water Substances 0.000 claims description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- 238000011001 backwashing Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- OQVYMXCRDHDTTH-UHFFFAOYSA-N 4-(diethoxyphosphorylmethyl)-2-[4-(diethoxyphosphorylmethyl)pyridin-2-yl]pyridine Chemical compound CCOP(=O)(OCC)CC1=CC=NC(C=2N=CC=C(CP(=O)(OCC)OCC)C=2)=C1 OQVYMXCRDHDTTH-UHFFFAOYSA-N 0.000 claims description 3
- 238000005868 electrolysis reaction Methods 0.000 claims description 3
- 239000000706 filtrate Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000002791 soaking Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 238000010792 warming Methods 0.000 claims description 3
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims description 3
- 229960001763 zinc sulfate Drugs 0.000 claims description 3
- 229910000368 zinc sulfate Inorganic materials 0.000 claims description 3
- 238000001311 chemical methods and process Methods 0.000 claims 1
- 238000004064 recycling Methods 0.000 abstract description 6
- 239000011572 manganese Substances 0.000 abstract description 5
- 229910052748 manganese Inorganic materials 0.000 abstract description 5
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 abstract description 4
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052802 copper Inorganic materials 0.000 abstract description 2
- 239000010949 copper Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 3
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- WJZHMLNIAZSFDO-UHFFFAOYSA-N manganese zinc Chemical compound [Mn].[Zn] WJZHMLNIAZSFDO-UHFFFAOYSA-N 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- IPJKJLXEVHOKSE-UHFFFAOYSA-L manganese dihydroxide Chemical compound [OH-].[OH-].[Mn+2] IPJKJLXEVHOKSE-UHFFFAOYSA-L 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/52—Reclaiming serviceable parts of waste cells or batteries, e.g. recycling
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/84—Recycling of batteries or fuel cells
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- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention provides a system for treating waste dry batteries by a chemical method and a method for treating the waste dry batteries. The reaction rate is controlled by matching the speed-adjustable stirrer arranged in the normal-temperature enamel reaction kettle and the high-temperature enamel reaction kettle with the real-time monitoring device. The invention provides a chemical method for disposing waste dry batteries and a waste dry battery disposal method, which aims at recycling waste dry batteries, recovering zinc and manganese with higher values into resources, recycling, and separating components with lower values of carbon, copper and the like. Not only can reduce environmental pollution, but also can recycle resources.
Description
Technical Field
The invention belongs to the field of waste battery recovery and comprehensive utilization, and particularly relates to a system for treating waste dry batteries by a chemical method and a waste dry battery treatment method.
Background
With the popularization of various electric appliances, a large number of dry batteries have come into thousands of households, and the consumption of dry batteries is very considerable. Because the waste dry batteries contain a plurality of elements including trace mercury and chromium, and because the recycling technology of the waste dry batteries is immature, a large amount of waste batteries are discarded at will, thereby causing serious environmental pollution. Meanwhile, most substances do not participate in the discharge reaction in the use process of the dry battery, so that the change of the structural form is small, and the dry battery can be completely recycled by a proper method. Therefore, the reasonable recycling of the dry battery is not only capable of reducing environmental pollution, but also a problem to be solved urgently for recycling resources.
Alkaline batteries are also called alkaline dry batteries, alkaline zinc-manganese batteries and alkaline-manganese batteries, and are the varieties with optimal performance in zinc-manganese battery series. Alkaline batteries are successful high capacity dry batteries, mainly using manganese dioxide as the positive electrode, zinc as the negative electrode, and potassium hydroxide as the electrolyte. The battery reaction chemical formula is as follows: zn+MnO 2+H2O→Mn(OH)2 +ZnO. The battery is suitable for long-time use with large discharge amount.
The waste abandoned battery contains zinc, manganese and other substances. The invention aims to recover zinc and manganese with higher value, change the zinc and manganese into resources, recycle the resources and separate components with lower equivalent values of carbon and copper.
Disclosure of Invention
In view of the above, the present invention is to provide a system and a method for treating waste dry batteries by chemical method, so as to solve the technical problem of recycling waste dry batteries in the above-mentioned background art.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
A chemical method disposal waste dry battery system comprises a waste dry battery material bin, a mechanical crusher, a raw material feeder, a normal-temperature enamel reactor, a normal-temperature filter, a filter residue feeder, a high-temperature enamel reactor and a high-temperature filter which are connected in series; the normal temperature enamel reactor is provided with a feed inlet, an alkali liquor feed inlet, an overhaul bolt, an adjustable speed stirrer, a real-time monitoring device, a high-pressure water flushing pipe and a discharge outlet.
Further, the normal temperature enamel reaction kettle is internally provided with the speed-adjustable stirrer; the speed-adjustable stirrer comprises a motor, a stirrer rod, stirring blades and a control panel; the motor is arranged at the center of the outer top end of the normal-temperature enamel reaction kettle, and the control panel is arranged on the motor and can be used for adjusting the rotating speed of the speed-adjustable stirrer; the stirrer rod is vertically arranged in the normal-temperature enamel reaction kettle, the upper end of the stirrer rod is connected with the motor, and the lower end of the stirrer rod is suspended to the lower side part of the normal-temperature enamel reaction kettle; the stirring blade is fixed on the stirrer rod;
Further, a set of real-time monitoring device is arranged on the side wall of the normal-temperature enamel reaction kettle and comprises a sampling pipe, a mixing chamber, a first circulating pipe, a second circulating pipe, a pipeline pump, a multiphase sensor, a sensor line collecting groove, a backwashing pipe and a monitoring panel; the sampling tube is a tube with holes in the surface with a prolonged degree, is vertically fixed on the inner wall of the normal-temperature enamel reaction kettle, and the lower end of the sampling tube is communicated with the top end of the mixing chamber with the gradually changed cross section from large to small;
The first circulating pipe is a horizontal pipe, one end of the opening is positioned at the lower side of the mixing chamber, the other end of the opening penetrates through the side wall of the normal-temperature enamel reaction kettle and is vertically and upwards connected with the water inlet of the pipeline pump through a 90-degree elbow, the water outlet of the pipeline pump is connected with the second circulating pipe, the second circulating pipe comprises a vertical section and a horizontal section which are vertically connected, the vertical section vertically and upwards extends to the position above the maximum scale mark of the normal-temperature enamel reaction kettle, the horizontal section penetrates through the wall of the normal-temperature enamel reaction kettle, and the backwashing pipe is arranged at the part of the first circulating pipe, which is positioned outside the wall of the normal-temperature enamel reaction kettle;
the sensor line collecting groove is fixed on the first circulating pipe along the horizontal direction and is communicated with the first circulating pipe through a mounting hole, the multiphase sensor is mounted on the mounting hole in the first circulating pipe, and a signal wire of the multiphase sensor passes through the sensor line collecting groove to the outside of the normal-temperature enamel reaction kettle wall through the mounting hole and is connected to the monitoring panel;
further, the high-pressure water flushing pipe is arranged above the maximum scale mark on the upper part of the inner wall of the normal-temperature enamel reaction kettle and is horizontally and annularly arranged, and the spray head of the high-pressure water flushing pipe forms an included angle downwards;
Further, the feed inlet and the alkali liquor inlet are arranged at the top end of the normal-temperature enamel reaction kettle;
further, the high-temperature enamel reaction kettle also comprises a water purifying port and a heating device; the water purifying port is arranged at the top end of the high-temperature enamel reaction kettle; the heating device is arranged at the bottom of the high-temperature enamel reaction kettle.
Further, the heating device comprises a heating pipe, an oil inlet pipe, an oil outlet pipe, a circulating pump and a heater; the heating pipe is arranged at the bottom of the high-temperature enamel reaction kettle in an annular mode, two ends of the heating pipe penetrate through the wall of the high-temperature enamel reaction kettle, the oil inlet is connected to the heater, the oil outlet is connected to the inlet of the circulating pump, and the outlet of the circulating pump is connected to the heater;
the invention provides a treatment method of waste dry batteries, which comprises the following steps:
(1) Conveying the waste batteries from the waste dry battery material bin to the mechanical crusher for crushing, so that the anode and the cathode are separated;
(2) Adding crushed waste batteries from a feed inlet of a normal-temperature enamel reaction kettle through a raw material feeder;
(3) Adding potassium hydroxide solution into an alkali liquor inlet of a normal-temperature enamel reaction kettle, soaking for 1.5 hours, and stirring;
(4) The reactants are conveyed to a normal temperature filter from a discharge port of a normal temperature enamel reaction kettle for filtering, the filtrate is neutralized by dilute sulfuric acid to zinc sulfate for preparing zinc metal by electrolysis, and filter residues are conveyed to a feed port of a high temperature enamel reaction kettle through a filter residue feeder;
(5) Adding potassium hydroxide solution through an alkali liquid inlet of a high-temperature enamel reaction kettle, adding purified water from a purified water inlet, and keeping high-temperature reaction at 200 ℃ or higher through a heating device;
(6) And conveying reactants from a discharge hole of the high-temperature enamel reaction kettle to a high-temperature filter for filtering to obtain a potassium manganate solution and carbon filter residues.
Compared with the prior art, the chemical method for disposing the waste dry battery system and the waste dry battery disposal method have the following advantages:
After the waste dry batteries are mechanically crushed, the speed-adjustable stirrer in the normal-temperature enamel reaction kettle and the high-temperature enamel reaction kettle is utilized to be fully mixed, so that the reaction rate in the reaction kettle is improved. Sampling tubes, mixing chambers, circulating tubes and pipeline pumps at different positions of a real-time monitoring device in the reaction kettle are utilized, sampling and mixing of a plurality of positions in the reaction kettle are realized, real-time monitoring of the sensor is more accurate and effective, a backwashing tube arranged on the monitoring device can clean a multiphase sensor in the real-time monitoring device, adhesion and blockage of carbon and other components in a dry battery to the multiphase sensor and the sampling tubes are reduced, and accuracy of real-time monitoring is guaranteed. In addition, the high-pressure water flushing pipe arranged in the reaction kettle can flush and clean the reaction kettle when the reaction kettle is regularly maintained, so that the adhesion of filter residues in the dry cell reaction process is reduced, and the concentration of reactants in the subsequent operation is not influenced.
Drawings
FIG. 1 is a schematic diagram of a normal temperature enamel reactor provided by an embodiment of the invention;
FIG. 2 is a schematic diagram of a high-temperature enamel reactor according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a real-time monitoring device according to the present invention;
Fig. 4 is a diagram of a system for disposing waste dry batteries by a chemical method provided by the invention.
Reference numerals illustrate:
1-normal temperature enamel reaction kettle, 11-feed inlet, 12-alkali liquor feed inlet, 13-overhaul bolt and 14-discharge outlet;
2-adjustable speed stirrer, 21-motor, 22-stirring blade, 23-stirrer rod, 24-control panel;
3-real-time monitoring device, 31-sampling tube, 32-first circulating tube, 33-second circulating tube, 34-sensor line collecting groove, 35-pipeline pump, 36-back flushing tube, 37-multiphase sensor, 38-monitoring panel and 39-mixing chamber;
4-high-temperature enamel reaction kettle;
the device comprises a 5-heating device, a 51-heating pipe, a 52-oil inlet pipe, a 53-oil outlet pipe, a 54-circulating pump and a 55-heater;
6-high pressure water flushing pipe.
Detailed Description
Unless defined otherwise, technical terms used in the following examples have the same meaning as commonly understood by one of ordinary skill in the art to which the inventive concepts pertain.
The invention will now be described in more detail with reference to the examples and figures 1-4.
Example 1
The invention provides a system for disposing waste dry batteries by a chemical method, which comprises a waste dry battery material bin, a mechanical crusher, a raw material feeder, a normal-temperature enamel reaction kettle, a normal-temperature filter, a filter residue feeder, a high-temperature enamel reaction kettle and a high-temperature filter which are connected in series.
Fig. 1 is a schematic structural diagram of a normal-temperature enamel reaction kettle provided by the invention, and fig. 3 is a schematic structural diagram of a real-time monitoring device provided by the invention. The normal temperature enamel reactor 1 is internally provided with a speed-adjustable stirrer 2, and the speed-adjustable stirrer 2 comprises: the motor 21 is arranged at the center of the outer top end of the normal-temperature enamel reaction kettle 1, and a control panel 24 for adjusting the rotating speed of the motor 21 is arranged on the motor 21. A stirrer rod 23 vertically arranged in the normal temperature enamel reactor 1 and connected with the motor 21 at the upper end, and stirring blades 22 fixed on the stirrer rod 23. By the operation of the control panel 24, the rotational speed of the motor 21 is controlled so as to accommodate the change in progress of the reaction.
Optionally, the normal temperature enamel reaction kettle 1 is provided with a set of real-time monitoring device 3, and the real-time monitoring device 3 includes: the surface extension length of the sampling tube 31 fixed on the inner wall of the normal temperature enamel reaction kettle 1 is provided with a hole, and the lower end of the sampling tube 31 is communicated with the top end of the mixing chamber 39 gradually changed from large to small. Ensuring that the sampling tube 31 can be sampled from different locations and mix stably in the mixing chamber 39. The opening one end of the first circulating pipe 32 horizontally arranged is positioned at the lower side of the mixing chamber 39, the other end passes through the side wall of the normal-temperature enamel reaction kettle 1, the opening is vertically upwards connected with the water inlet of the pipeline pump 35 through a 90-degree elbow, the water outlet of the pipeline pump 35 is connected with the second circulating pipe 33 vertically fixed, the second circulating pipe 33 extends to the position above the maximum scale mark of the normal-temperature enamel reaction kettle 1, and the horizontal section passes through the wall of the normal-temperature enamel reaction kettle 1, so that a stable circulating loop is formed from the mixing chamber 39 to the position above the liquid level of the reaction kettle by the mixed reactants. In addition, the first circulation pipe 32 is fixed with a sensor line collecting groove 34 along a horizontal length, and a mounting hole communicating with the first circulation pipe 32 is formed in the sensor line collecting groove 34. The multiphase sensor 37 is installed in the first circulating pipe 32 through the installation hole, and the signal wire passes through the sensor line collecting groove 34 to the outside of the wall of the normal-temperature enamel reaction kettle 1 to the monitoring panel 38, so that the multiphase sensor 37 can monitor and display data in real time, and the sensor signal wire is protected. The back flushing pipe 36 is arranged at the part of the first circulating pipe 32 outside the wall of the normal-temperature enamel reaction kettle 1, so that the multiphase sensor 37 and the sampling pipe 31 can be cleaned by high-pressure water or a cleaning agent during maintenance, the adhesion and blockage of carbon and other components in the dry battery to the multiphase sensor 37 and the sampling pipe 31 are reduced, and the accuracy of real-time monitoring is ensured.
Optionally, the normal temperature enamel reaction kettle 1 is provided with a set of high-pressure water flushing pipe 6, the horizontal ring is arranged above the maximum scale mark on the upper part of the inner wall of the normal temperature enamel reaction kettle 1, the spray head of the high-pressure water flushing pipe 6 downwards forms an included angle, when overhauling, the high-pressure water flushing can be carried out in the normal temperature enamel reaction kettle 1, and then the discharge port 14 is opened to discharge the wastewater.
The feed inlet 11 and the alkali liquor feed inlet 12 are both arranged at the top end of the normal-temperature enamel reaction kettle 1, so that reactants are ensured not to flow back when contacting the feed inlet 11 or the alkali liquor feed inlet 12 due to pressure, temperature and other changes.
Fig. 2 is a schematic structural diagram of the high-temperature enamel reaction kettle 4 provided by the invention, and the high-temperature enamel reaction kettle 4 is further deformed to the normal-temperature enamel reaction kettle 1. A water purifying port 15 is added at the top end of the high-temperature enamel reaction kettle 4 and is used for adding purified water as a reaction medium. In addition, as the reaction in the high-temperature enamel reaction kettle 4 needs high temperature of more than 200 ℃, a set of heating device 5 is arranged at the bottom of the high-temperature enamel reaction kettle 4. The warming apparatus 5 includes: the heating pipe 51 is annularly arranged at the bottom of the high-temperature enamel reaction kettle 4, two ends of the heating pipe 51 penetrate through the wall of the high-temperature enamel reaction kettle 4, the oil inlet pipe 52 is connected to the heater 55, the oil outlet pipe 53 is connected to the inlet of the circulating pump 54, the outlet of the circulating pump 54 is connected to the heater 55, a complete loop of heating oil is formed, heat conducting oil flows from bottom to top in the heating pipe, and a reaction temperature of more than 200 ℃ is provided for the high-temperature enamel reaction kettle 4.
Example two
The second embodiment of the invention also provides a treatment method of the waste dry batteries.
The following describes a method for treating waste dry batteries according to an embodiment of the present invention with reference to fig. 4, and the method may include the following steps:
(1) Conveying the waste batteries from the waste dry battery material bin to the mechanical crusher for crushing, so that the anode and the cathode are separated;
(2) Adding crushed waste batteries from a feed inlet of a normal-temperature enamel reaction kettle through a raw material feeder;
(3) Adding potassium hydroxide solution into an alkali liquor inlet of a normal-temperature enamel reaction kettle, soaking for 1.5 hours, and stirring;
(4) The reactants are conveyed to a normal temperature filter from a discharge port of a normal temperature enamel reaction kettle for filtering, the filtrate is neutralized by dilute sulfuric acid to zinc sulfate for preparing zinc metal by electrolysis, and filter residues are conveyed to a feed port of a high temperature enamel reaction kettle through a filter residue feeder;
(5) Adding potassium hydroxide solution through an alkali liquid inlet of a high-temperature enamel reaction kettle, adding purified water from a purified water inlet, and keeping high-temperature reaction at 200 ℃ or higher through a heating device;
(6) And conveying reactants from a discharge hole of the high-temperature enamel reaction kettle to a high-temperature filter for filtering to obtain a potassium manganate solution and carbon filter residues.
The above embodiments are merely preferred embodiments of the present invention and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A chemical disposal waste dry battery system, characterized in that: comprises a waste dry battery material bin, a mechanical crusher, a raw material feeder, a normal temperature enamel reaction kettle (1), a normal temperature filter, a filter residue feeder, a high temperature enamel reaction kettle (4) and a high temperature filter which are connected in series; the normal temperature enamel reactor (1) is provided with a feed inlet (11), an alkali liquor inlet (12), an overhaul bolt (13), an adjustable speed stirrer (2), a real-time monitoring device (3), a high-pressure water flushing pipe (6) and a discharge outlet (14), wherein the feed inlet (11) and the alkali liquor inlet (12) are arranged at the top end of the normal temperature enamel reactor (1), and a set of real-time monitoring device (3) is arranged on the side wall of the normal temperature enamel reactor (1); the real-time monitoring device (3) comprises a sampling tube (31), a mixing chamber (39), a first circulating tube (32), a second circulating tube (33), a pipeline pump (35), a multiphase sensor (37), a sensor line collecting groove (34), a backwashing tube (36) and a monitoring panel (38); the sampling tube (31) is a tube with holes with surface elongation, the sampling tube (31) is vertically fixed on the inner wall of the normal-temperature enamel reaction kettle (1), and the lower end of the sampling tube is communicated with the top end of the mixing chamber (39) with the cross section gradually changed from large to small; the first circulating pipe (32) is a horizontal pipe, one end of an opening is positioned at the lower side of the mixing chamber (39), the other end of the opening penetrates through the side wall of the normal-temperature enamel reaction kettle (1), the opening is vertically upwards connected with the water inlet of the pipeline pump (35) through a section of 90-degree elbow, the water outlet of the pipeline pump (35) is connected with the second circulating pipe (33), the second circulating pipe (33) comprises a vertical section and a horizontal section which are vertically connected, the vertical section vertically upwards extends to the position above the maximum scale mark of the normal-temperature enamel reaction kettle (1), the horizontal section penetrates through the wall of the normal-temperature enamel reaction kettle (1), and the backwashing pipe (36) is placed at the part of the first circulating pipe (32) positioned outside the wall of the normal-temperature enamel reaction kettle (1); the sensor line collecting groove (34) is fixed on the first circulating pipe (32) along the horizontal direction, and is communicated with the first circulating pipe (32) through a mounting hole, the multiphase sensor (37) is mounted in the first circulating pipe (32) on the mounting hole, a signal line of the multiphase sensor (37) passes through the sensor line collecting groove (34) to the outside of the wall of the normal-temperature enamel reaction kettle (1) through the mounting hole, and is connected to the monitoring panel (38), the high-pressure water flushing pipe (6) is arranged above the maximum scale mark on the upper part of the inner wall of the normal-temperature enamel reaction kettle (1) and is horizontally annularly arranged, and a spray head of the high-pressure water flushing pipe (6) forms an included angle downwards.
2. The chemical process disposal of spent dry battery system of claim 1, wherein: the normal temperature enamel reaction kettle (1) is internally provided with the adjustable speed stirrer (2); the speed-adjustable stirrer (2) comprises a motor (21), a stirrer rod (23), stirring blades (22) and a control panel (24); the motor (21) is arranged at the center of the outer top end of the normal-temperature enamel reaction kettle (1), and the control panel (24) is arranged on the motor (21) and can be used for adjusting the rotating speed of the adjustable speed stirrer (2); the stirrer rod (23) is vertically arranged in the normal-temperature enamel reaction kettle (1), the upper end of the stirrer rod is connected with the motor (21), and the lower end of the stirrer rod is suspended to the lower side part of the normal-temperature enamel reaction kettle (1); the stirring blade (22) is fixed on the stirrer rod (23).
3. The chemical disposal of spent dry battery system of claim 1, wherein: the high-temperature enamel reaction kettle (4) further comprises a water purifying opening (15) and a heating device (5); the water purifying port (15) is arranged at the top end of the high-temperature enamel reaction kettle (4); the heating device (5) is arranged at the bottom of the high-temperature enamel reaction kettle (4).
4. A chemical disposal waste dry battery system according to claim 3, wherein the warming device (5) comprises a warming pipe (51), an oil inlet pipe (52), an oil outlet pipe (53), a circulating pump (54), and a heater (55); the heating pipe (51) is arranged at the bottom of the high-temperature enamel reaction kettle (4) and is annularly arranged, two ends of the heating pipe penetrate through the wall of the high-temperature enamel reaction kettle (4), the oil inlet pipe (52) is connected to the heater (55), the oil outlet pipe (53) is connected to the inlet of the circulating pump (54), and the outlet of the circulating pump (54) is connected to the heater (55).
5. A method for treating waste dry batteries by using the chemical method according to any one of claims 1 to 4, characterized in that the method comprises the following steps: (1) Conveying the waste batteries from the waste dry battery material bin to the mechanical crusher for crushing, so that the anode and the cathode are separated; (2) Adding crushed waste batteries from a feed inlet of a normal-temperature enamel reaction kettle through a raw material feeder; (3) Adding potassium hydroxide solution into an alkali liquor inlet of a normal-temperature enamel reaction kettle, soaking for 1.5 hours, and stirring; (4) The reactants are conveyed to a normal temperature filter from a discharge port of a normal temperature enamel reaction kettle for filtering, the filtrate is neutralized by dilute sulfuric acid to zinc sulfate for preparing zinc metal by electrolysis, and filter residues are conveyed to a feed port of a high temperature enamel reaction kettle through a filter residue feeder; (5) Adding potassium hydroxide solution through an alkali liquid inlet of a high-temperature enamel reaction kettle, adding purified water from a purified water inlet, and keeping high-temperature reaction at 200 ℃ or higher through a heating device; (6) And conveying reactants from a discharge hole of the high-temperature enamel reaction kettle to a high-temperature filter for filtering to obtain a potassium manganate solution and carbon filter residues.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810443733.0A CN108511772B (en) | 2018-05-10 | 2018-05-10 | System for treating waste dry batteries by chemical method and waste dry battery treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810443733.0A CN108511772B (en) | 2018-05-10 | 2018-05-10 | System for treating waste dry batteries by chemical method and waste dry battery treatment method |
Publications (2)
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| CN109585961B (en) * | 2018-11-19 | 2020-10-09 | 安徽绿沃循环能源科技有限公司 | Waste lithium battery recovery processing equipment for electronic equipment |
| CN111001211A (en) * | 2019-12-20 | 2020-04-14 | 北京京能清洁能源电力股份有限公司北京分公司 | Chemical treatment equipment for crystalline silicon cell fragments |
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| GB1007088A (en) * | 1963-09-19 | 1965-10-13 | Commissariat Energie Atomique | Apparatus for withdrawing successive samples of a circulating liquid having a constant flow rate in piping |
| CN1716666A (en) * | 2005-08-01 | 2006-01-04 | 华南师范大学 | Recycling method of waste alkaline zinc-manganese dioxide battery |
| CN203737246U (en) * | 2014-03-19 | 2014-07-30 | 牛明睿 | Enamel reaction kettle |
| CN106268567A (en) * | 2016-09-27 | 2017-01-04 | 冀州天大天久精细化工科技有限公司 | A kind of enamel reaction still |
| CN206731124U (en) * | 2017-05-19 | 2017-12-12 | 湖北凌晟药业有限公司 | Enamel reaction still |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1007088A (en) * | 1963-09-19 | 1965-10-13 | Commissariat Energie Atomique | Apparatus for withdrawing successive samples of a circulating liquid having a constant flow rate in piping |
| CN1716666A (en) * | 2005-08-01 | 2006-01-04 | 华南师范大学 | Recycling method of waste alkaline zinc-manganese dioxide battery |
| CN203737246U (en) * | 2014-03-19 | 2014-07-30 | 牛明睿 | Enamel reaction kettle |
| CN106268567A (en) * | 2016-09-27 | 2017-01-04 | 冀州天大天久精细化工科技有限公司 | A kind of enamel reaction still |
| CN206731124U (en) * | 2017-05-19 | 2017-12-12 | 湖北凌晟药业有限公司 | Enamel reaction still |
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