CN113943865B - Environment-friendly cleaning equipment and process for recycling dry batteries - Google Patents
Environment-friendly cleaning equipment and process for recycling dry batteries Download PDFInfo
- Publication number
- CN113943865B CN113943865B CN202111202904.9A CN202111202904A CN113943865B CN 113943865 B CN113943865 B CN 113943865B CN 202111202904 A CN202111202904 A CN 202111202904A CN 113943865 B CN113943865 B CN 113943865B
- Authority
- CN
- China
- Prior art keywords
- zinc
- manganese
- sedimentation tank
- rotary kiln
- dry battery
- 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.)
- Active
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/006—Wet processes
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/05—Preparation or purification of carbon not covered by groups C01B32/15, C01B32/20, C01B32/25, C01B32/30
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/005—Preliminary treatment of scrap
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B15/00—Obtaining copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B19/00—Obtaining zinc or zinc oxide
- C22B19/20—Obtaining zinc otherwise than by distilling
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B19/00—Obtaining zinc or zinc oxide
- C22B19/30—Obtaining zinc or zinc oxide from metallic residues or scraps
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B19/00—Obtaining zinc or zinc oxide
- C22B19/34—Obtaining zinc oxide
- C22B19/38—Obtaining zinc oxide in rotary furnaces
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B47/00—Obtaining manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/001—Dry processes
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C1/00—Electrolytic production, recovery or refining of metals by electrolysis of solutions
- C25C1/16—Electrolytic production, recovery or refining of metals by electrolysis of solutions of zinc, cadmium or mercury
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/54—Reclaiming serviceable parts of waste accumulators
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- Processing Of Solid Wastes (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention relates to the technical field of dry battery garbage treatment equipment, in particular to a dry battery recycling environment-friendly cleaning process and a dry battery recycling environment-friendly cleaning method, wherein the dry battery recycling environment-friendly cleaning equipment comprises a crusher, a water shaking table, a primary sedimentation tank, filter pressing equipment, a rotary kiln, a cloth bag dust collector and a gas purification device; the rotary kiln is used for carrying out negative pressure incineration on the zinc-manganese mud filter material obtained by filter pressing of the filter pressing equipment, and when the zinc-manganese mud filter material is subjected to negative pressure incineration, the recovery auxiliary material and auxiliary materials are added; the recovery auxiliary material is zinc-containing manganese steel ash, zinc-containing steel ash, manganese-containing steel ash or a mixture of manganese-containing steel ash and zinc-containing steel ash; the auxiliary material is coke powder or semi coke. The carbon rod, the nickel-iron material, the ferromanganese alloy, the zinc oxide, the zinc alloy and the copper alloy are respectively obtained by adopting the process of the invention, most of the carbon rod, the nickel-iron material, the ferromanganese alloy, the zinc oxide, the zinc alloy and the copper alloy are non-renewable resources, and then the regeneration and the reutilization of the resources are realized.
Description
Technical Field
The invention relates to the technical field of dry battery garbage treatment equipment, in particular to dry battery recycling and environment-friendly cleaning equipment and process.
Background
With the development of economy and science, batteries play an increasingly important role in our lives, the usage amount is rapidly increased and almost permeates every corner of our lives, however, the used waste batteries cannot be properly treated, and although the volume and the quality of the waste batteries are very small, the waste batteries contain various metal substances, so that water sources, soil, air and the like are polluted if the waste batteries are not properly treated, the health of people is directly or indirectly harmed, and the normal life of people is influenced.
The remote controller, the mobile phone, the alarm clock, the shaver and the like can not be used for batteries, the concept that the waste batteries pollute the environment and can not be discarded at will is deeply felt after years of environmental publicity, the education in schools also advocates that the waste batteries need to be stored in a specified dustbin, and the waste battery recycling faces the embarrassment that the waste batteries cannot be effectively processed, stocked at home or accumulated like a mountain in recycling enterprises in recent years.
In recent years, although the use amount of dry batteries is reduced, because the dry batteries are widely applied, the population base number of China is huge and continuously increased, the total amount is still huge, and a problem of metal waste is caused, more than 30 million tons of batteries are consumed in one year throughout the country, and more than 6 million tons of batteries are wasted only by zinc ore.
The method for treating the waste battery in the prior art comprises the following steps: the waste batteries are solidified, deeply buried, stored in an old mine and recycled, and due to the high added value and full component utilization technology of the waste batteries, the pollution prevention and control of the waste batteries are in accordance with the comprehensive prevention and control principle of closed loop and green recovery, priority of resource utilization and reasonable and safe disposal, so that if the waste batteries can be recovered and separated, the secondary utilization of separated components is realized, the recovery of the waste batteries is very significant and urgent.
Disclosure of Invention
Aiming at the technical defects, the invention aims to provide the dry battery recycling and environment-friendly cleaning equipment and the process, the carbon rod, the nickel-iron material, the ferromanganese alloy, the zinc oxide, the zinc alloy and the copper alloy are respectively obtained by adopting the process, most of the carbon rod, the nickel-iron material, the ferromanganese alloy, the zinc oxide, the zinc alloy and the copper alloy are non-renewable resources, and then the regeneration and the reutilization of the resources are realized.
In order to solve the technical problems, the invention adopts the following technical scheme:
an environmental protection clean-up equipment is retrieved to dry battery includes:
the crusher is used for crushing the waste dry batteries to obtain crushed batteries;
the water shaking table is used for separating the broken batteries to respectively obtain a carbon rod, a zinc-iron-copper mixture and a zinc-manganese solution;
the primary sedimentation tank is used for filtering the zinc-manganese solution to obtain zinc-manganese mud;
the filter pressing equipment is used for carrying out filter pressing on the zinc-manganese mud to obtain a zinc-manganese mud filter material;
the rotary kiln is used for carrying out negative pressure incineration on the zinc-manganese mud filter material, and adding a recovery auxiliary material and auxiliary materials while incinerating;
the recovery auxiliary material is zinc-containing manganese steel ash, zinc-containing steel ash, manganese-containing steel ash or a mixture of manganese-containing steel ash and zinc-containing steel ash; the auxiliary material is coke powder or semi coke;
the cloth bag dust collector is used for collecting zinc oxide generated by negative pressure incineration;
and the gas purification device is used for collecting and purifying the smoke generated by negative pressure incineration.
Preferably, the zinc-manganese mud accounts for 1/3-2/3 of the total weight of the recovery auxiliary material, the auxiliary material and the zinc-manganese mud filter material, and the auxiliary material accounts for 15-30% of the total weight of the non-zinc-manganese mud material.
Preferably, the weight fraction of zinc in the zinc-containing steel ash is more than 5%, the weight fraction of manganese in the manganese-containing steel ash is more than 16%, the weight fraction of zinc in the zinc-containing manganese steel ash is more than 5% and the weight fraction of manganese is more than 16%.
Preferably, the feeding granularity of the crusher is less than or equal to 120mm, the discharging granularity is less than or equal to 20mm, and the production capacity is 2-5t/h;
the motor power of the crusher is 30-55kW, and the high-strength special bearing with the rotating speed of 1000-2000r/min is selected as the bearing;
the crushing knife of the crusher is made of 13mn steel plates, and the thickness of the blade of the crushing knife is 8-10mm;
the bottom sieve of the crusher is made of a 16mn steel plate with the thickness of 5mm, and a plurality of sizes of 7 x 40mm are arranged on the bottom sieve 2 The hole of (a).
Preferably, the dust collector further comprises an ash chamber for recovering materials which are not completely burned, the ash chamber is arranged between the rotary kiln and the bag dust collector, and a circulating pipeline is further connected between the ash chamber and the rotary kiln in a through mode.
Preferably, the device also comprises a magnetic separator for separating nickel-iron materials in the zinc-iron-copper mixture, and the magnetic separator is connected to the water shaking table.
Preferably, still include second grade sedimentation tank and tertiary sedimentation tank, the second grade sedimentation tank is used for right the waste water of one-level sedimentation tank filters, tertiary sedimentation tank is used for right the waste water of second grade sedimentation tank filters, the one-level sedimentation tank passes through the second grade sedimentation tank with tertiary sedimentation tank through connection, tertiary sedimentation tank still respectively with the breaker with water shaking table through connection.
Preferably, the gas purification device is a spray tower, and caustic soda flakes are added into the spray tower.
The invention also provides a treatment process of the dry battery recycling environment-friendly cleaning equipment, which comprises the following steps:
step 1, crushing waste dry batteries by using the crusher to obtain crushed batteries;
step 2, separating the broken batteries by using the water shaking table to obtain a carbon rod, a zinc-iron-copper mixture and a zinc-manganese solution, and recovering the carbon rod;
step 3, filtering the zinc-manganese solution by using the primary sedimentation tank to obtain zinc-manganese mud;
step 4, performing filter pressing on the zinc-manganese mud by using the filter pressing equipment to obtain a zinc-manganese mud filter material and a filtrate;
step 5, carrying out negative pressure incineration on the zinc-manganese mud filter material, the recovery auxiliary material and the auxiliary material together by using the rotary kiln, wherein the kiln head temperature of the rotary kiln is 1000-1200 ℃, the kiln tail temperature is 500-600 ℃, the rotating speed of the rotary kiln is 8-20 s/circle, and the ferromanganese alloy is recovered at the kiln tail of the rotary kiln;
step 6, collecting zinc oxide generated by incineration by using the cloth bag dust collector;
and 7, collecting the flue gas by using the gas purification device, and discharging the flue gas after the sulfur of the flue gas is reduced to reach the emission standard.
Preferably, the method for recovering the dry battery and cleaning the environment-friendly equipment specifically comprises the following steps:
the waste dry batteries enter the crusher to be crushed to obtain crushed batteries, the crushed batteries are separated by the water shaking table to respectively obtain a carbon rod, a zinc-iron-copper mixture and a zinc-manganese solution, the zinc-manganese solution is continuously filtered by the primary sedimentation tank to obtain zinc-manganese mud, the zinc-manganese mud is subjected to filter pressing by the filter pressing equipment to obtain a zinc-manganese mud filter material and a filtrate, then the zinc-manganese mud filter material is subjected to negative pressure incineration in the rotary kiln, a recovery auxiliary material and an auxiliary material are added during the incineration and are combusted together, a ferromanganese alloy is recovered at the kiln tail of the rotary kiln, znO is collected in the bag dust collector, and flue gas generated by the combustion is collected, purified and discharged by the gas purification device;
the magnetic separator is also included, the zinc-iron-copper mixture is separated by the magnetic separator to respectively obtain a nickel-iron material and an alloy material, the alloy material is a zinc alloy material, a copper alloy material or a mixture of the zinc alloy material and the copper alloy material, and then the zinc alloy material and the copper alloy material are respectively recovered;
the system also comprises the secondary sedimentation tank and the tertiary sedimentation tank, after the primary sedimentation tank is sedimentated, the wastewater is filtered by the secondary sedimentation tank and the tertiary sedimentation tank in sequence and then respectively circulated into the crusher and the water shaking table; the filtrate extruded by the filter pressing equipment enters the secondary sedimentation tank;
the rotary kiln further comprises an ash chamber, wherein incompletely burnt materials are recycled by the ash chamber, and the incompletely burnt materials are circulated into the rotary kiln through the circulating pipeline.
Compared with the prior art, the invention has the beneficial effects that:
1. the device in the prior art is improved, so that the dry battery can be crushed without chemical agents and only by physical crushing; according to the invention, collected waste batteries are added into a self-modified crusher for crushing treatment, materials subjected to crushing treatment are separated directly through a water shaking table without manual sorting, so that the manual consumption is effectively reduced, the separated carbon rods, nickel iron materials and alloy materials with large specific gravity can be sold directly, and ash with small specific gravity contains a large amount of metal zinc and manganese after being crushed and is mixed with water to obtain a zinc-manganese solution;
the zinc-manganese solution is precipitated and separated by a primary sedimentation tank to obtain zinc-manganese mud, the zinc-manganese mud is subjected to filter pressing by a filter pressing device to obtain a zinc-manganese mud filter material, the zinc-manganese mud filter material is subjected to incineration treatment by a rotary kiln, a material with a main recoverable component of zinc oxide is recovered in a cloth bag dust collector under negative pressure, and a material with a main recoverable component of manganese-iron alloy is collected at the tail of the kiln; the zinc-manganese mud filter material contains plastics and chlorine-containing compounds, the crushed plastic powder is used as fuel and is burnt into mixed ash, one part of chlorine in the chlorine-containing compounds enters zinc oxide, and the other part of chlorine enters ferromanganese alloy, so that the zinc oxide contains certain trace elements and mixed ash, and the ferromanganese alloy also contains certain trace elements and mixed ash; the materials obtained by recycling are sold and then are respectively subjected to secondary treatment; for example, zinc oxide materials can be dechlorinated and electrolyzed to obtain zinc ingots, other materials are sold and then are subjected to different treatments, and then the materials obtained by separation in the application are purified.
2. By adopting the process, the amount of 6-18 tons of batteries processed per day is realized through practice, 16 percent of ferronickel in the batteries can be sold to 2000 yuan per ton, the rest zinc-copper alloy and carbon rods can be sold directly, and zinc-manganese mud is processed to obtain zinc oxide and ferromanganese; the method directly brings economic benefits while reducing the influence on the environment.
3. The invention carries out water circulation treatment, so that the circulating water is not discharged outside, the simple sectional treatment mode solves the source problem, does not cause secondary pollution, and solves the problems that 31 percent of discharged wastewater generated by chemically decomposing waste batteries in the prior art needs to be provided with a treatment device, the cost is increased, and the environment is still polluted even after the wastewater is treated.
4. The process method is utilized to recover the raw materials in the dry battery, the rotary kiln incineration technology is adopted in the recovery process, and when zinc-manganese mud is incinerated in a rotary kiln under negative pressure, the zinc-manganese mud is incinerated together with a certain amount of recovery auxiliary materials and auxiliary materials to obtain the manganese-iron alloy with high taste; in the prior art, manganese is usually recovered by adopting a method for separately incinerating zinc-manganese mud, which wastes manganese to a certain extent, and by adopting the rotary kiln incineration method, manganese is recovered, and iron and manganese are primarily smelted into ferromanganese under the action of recovery auxiliary materials and auxiliary materials; the ferromanganese is generally extracted from manganese ore in the industry, the extraction process is complex, and the ferromanganese is generally free of iron, so that the process solves the problem of recycling ferromanganese in the zinc-manganese mud.
5. The method can also be used for recovering zinc oxide and ferromanganese by adopting high-grade zinc-manganese steel ash, the zinc-manganese steel ash must reach (manganese is more than 16 percent), otherwise, the recovered ferromanganese has low manganese content and no economic value, when the grade (zinc content) of the zinc-manganese steel ash is too low, the recovered zinc oxide has low manganese content and no economic value, and the zinc-manganese mud (zinc is more than 5 percent and manganese is more than 16 percent) is the best for recovering the zinc oxide and the ferromanganese.
Drawings
FIG. 1 is a process flow diagram of an environment-friendly cleaning device and process for recycling dry batteries according to the present invention; in the figure, 1, a crusher; 2. a water shaking table; 3. a first-stage sedimentation tank; 4. a filter pressing device; 5. a rotary kiln; 6. an ash chamber; 7. a magnetic separator; 8. a bag dust collector; 9. a secondary sedimentation tank; 10. a third-stage sedimentation tank; 11. a gas purification device;
FIG. 2 is a schematic diagram of the internal structure of a crusher of the environment-friendly cleaning equipment for dry battery recycling, wherein 2-1 is a sieve plate; 2-2, a rotor disk; 2-3, a discharge hole; 2-4, a central shaft; 2-5, supporting rods; 2-6, a support ring; 2-7, a feed nozzle; 2-8, a blade; 2-9, a counterattack plate; 2-10, arc inner lining plates; 2-11, a connecting mechanism; 2-12, sieve bottom;
FIG. 3 is a diagram of a content detection object of each element in the nickel-iron material recovered by the environment-friendly cleaning equipment for dry battery recovery according to the present invention;
FIG. 4 is a side view of a crusher of the environment-friendly cleaning equipment for dry battery recycling according to the present invention;
FIG. 5 is a diagram of a rotary kiln object of the dry battery recycling environmental-friendly cleaning equipment of the invention;
FIG. 6 is a diagram of a second pipeline connecting ash chamber of the environment-friendly cleaning equipment for dry battery recycling according to the present invention;
FIG. 7 is a diagram of zinc oxide recovered by a bag dust collector of the environment-friendly cleaning equipment for dry battery recovery according to the present invention;
FIG. 8 is a diagram of an object of the internal structure of a crusher of the environment-friendly cleaning equipment for dry battery recycling of the invention;
FIG. 9 is a screen bottom object diagram of a crusher of the environment-friendly cleaning equipment for dry battery recycling according to the invention;
FIG. 10 is a drawing of a crusher blade object of the environment-friendly cleaning equipment for dry battery recycling according to the present invention.
Detailed Description
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. The raw materials used in the invention are not indicated by manufacturers, and are all conventional products which can be obtained by commercial purchase.
The crusher 1 used in the invention is a technical improvement of a crusher produced by Henan Yuhui, and the type number of the crusher is PC400 multiplied by 600; the model of the used motor is YE2-90S6T-THL; the used bearing model is NU2316L/C4;
in the application, the feeding granularity of the crusher is less than or equal to 120mm, the discharging granularity is less than or equal to 20mm, the production capacity is 2-5t/h, the motor power of the crusher is 30kW, and the weight of the crusher is 3.5t;
the crushing knife of the crusher (1) is made of a 13mn steel plate, and the thickness of a blade of the crushing knife is 9mm; the bottom sieve of the crusher (1) is made of a 16mn steel plate with the thickness of 5mm, and a plurality of sizes of 7 x 40mm are arranged on the bottom sieve 2 The hole of (2).
An environment-friendly dry battery recycling and cleaning device is shown in figure 1 and comprises:
the crusher 1 is used for crushing waste dry batteries to obtain crushed batteries;
the water shaking table 2 is used for separating the broken batteries to respectively obtain a carbon rod, a zinc-iron-copper mixture and a zinc-manganese solution;
the magnetic separator 7 is used for separating metals from the zinc-iron-copper mixture, and the magnetic separator 7 is connected to the water shaking table 2;
the primary sedimentation tank 3 is used for filtering the zinc-manganese solution to obtain zinc-manganese mud;
the secondary sedimentation tank 9 is used for filtering the wastewater in the primary sedimentation tank 3;
the third-stage sedimentation tank 10 is used for filtering the wastewater in the second-stage sedimentation tank 9, and the third-stage sedimentation tank 10 is also respectively communicated with the crusher 1 and the water shaking table 2;
the filter pressing equipment 4 is used for carrying out filter pressing on the zinc-manganese mud to obtain a zinc-manganese mud filter material; the filtrate enters the secondary sedimentation tank 9;
the rotary kiln 5 is used for carrying out negative pressure incineration on the zinc-manganese mud filter material, and adding a recovery auxiliary material and auxiliary materials while incinerating;
the recovery auxiliary material is zinc-containing manganese steel ash, zinc-containing steel ash, manganese-containing steel ash or a mixture of manganese-containing steel ash and zinc-containing steel ash; the auxiliary material is coke powder or semi coke;
the ash chamber 6 is used for recovering materials which are not completely burnt, the ash chamber 6 is arranged between the rotary kiln 5 and the cloth bag dust collector 8, and a circulating pipeline is further connected between the ash chamber 6 and the rotary kiln 5 in a penetrating way;
a bag dust collector 8 for collecting zinc oxide generated by negative pressure incineration;
and the gas purification device 11 is used for collecting and purifying the smoke generated by negative pressure incineration.
The embodiment of the invention relies on the environment-friendly cleaning equipment for dry battery recovery, and is as follows:
example 1
A treatment process of dry battery recycling environment-friendly cleaning equipment comprises the following steps:
waste dry batteries enter the crusher 1 to be crushed to obtain crushed batteries, the crushed batteries are subjected to specific gravity separation through the water shaking table 2 to obtain a carbon rod, a zinc-iron-copper mixture and a zinc-manganese solution, the zinc-manganese solution is continuously filtered in the primary sedimentation tank 3 to obtain zinc-manganese mud, the zinc-manganese mud is subjected to pressure filtration through the pressure filtration equipment 4 to obtain a zinc-manganese mud filter material, the zinc-manganese mud filter material is subjected to negative pressure incineration in the rotary kiln 5, the rotary kiln 5 rotates at a speed of 20 s/circle, the kiln head temperature of the rotary kiln 5 is 1000 ℃, the kiln tail temperature of the rotary kiln is 600 ℃, recovery auxiliary materials and auxiliary materials are added during incineration and are combusted together, the recovery auxiliary materials are selected from zinc-containing steel ash and manganese-containing steel ash, the weight fraction of zinc in the zinc-containing steel ash is greater than 5%, the weight fraction of manganese in the manganese-containing steel ash is greater than 16%, the auxiliary materials are coke powder, the zinc-manganese mud accounts for 2/3 of the total amount of the recovery auxiliary materials, the auxiliary materials and the zinc-manganese mud accounts for 15% of the total weight of the non-zinc-manganese materials; recycling ferromanganese alloy at the tail of the rotary kiln 5, collecting ZnO in the bag dust collector 8, collecting incompletely burnt materials in the ash chamber 6, circulating the completely burnt materials into the rotary kiln 5 through a second pipeline, and collecting, purifying and discharging smoke generated by combustion in the gas purification device 11;
the wastewater is filtered by the primary sedimentation tank 3, the secondary sedimentation tank 9 and the tertiary sedimentation tank 10 in sequence and then respectively circulated into the crusher 1 and the water shaker 2;
the zinc-iron-copper mixture is separated by the magnetic separator 7 to obtain nickel-iron materials and alloy materials respectively.
Example 2
A treatment process of dry battery recycling environment-friendly cleaning equipment comprises the following steps:
waste dry batteries enter the crusher 1 to be crushed to obtain crushed batteries, the crushed batteries are subjected to specific gravity separation through the water shaking table 2 to obtain a carbon rod, a zinc-iron-copper mixture and a zinc-manganese solution, the zinc-manganese solution is continuously filtered by the primary sedimentation tank 3 to obtain zinc-manganese mud, the zinc-manganese mud is subjected to pressure filtration by the pressure filtration equipment 4 to obtain a zinc-manganese mud filter material, the zinc-manganese mud filter material is subjected to negative pressure incineration in the rotary kiln 5, the rotating speed of the rotary kiln 5 is 12 s/circle, the kiln head temperature of the rotary kiln 5 is 1100 ℃, the kiln tail temperature of the rotary kiln is 550 ℃, a recovery auxiliary material and an auxiliary material are added and are combusted together while being incinerated, the recovery auxiliary material is selected from zinc-containing manganese steel ash, the weight fraction of zinc in the zinc-containing manganese steel ash is more than 5% and the weight fraction of manganese is more than 16%, the auxiliary material is semi-coke, the zinc-manganese mud accounts for 20% of the total weight of the recovery auxiliary material, the auxiliary material and the zinc-manganese mud, and the balance is zinc-manganese steel ash; recycling ferromanganese alloy at the tail of the rotary kiln 5, collecting ZnO in the bag dust collector 8, collecting incompletely burnt materials in the ash chamber 6, circulating the completely burnt materials into the rotary kiln 5 through a second pipeline, and collecting, purifying and discharging smoke generated by combustion in the gas purification device 11;
the wastewater is filtered by the primary sedimentation tank 3, the secondary sedimentation tank 9 and the tertiary sedimentation tank 10 in sequence and then respectively circulated into the crusher 1 and the water shaker 2;
the zinc-iron-copper mixture is separated by the magnetic separator 7 to obtain nickel-iron materials and alloy materials respectively.
Example 3
A treatment process of dry battery recycling environment-friendly cleaning equipment comprises the following steps:
waste dry batteries enter the crusher 1 to be crushed to obtain crushed batteries, the crushed batteries are subjected to specific gravity separation through the water shaking table 2 to obtain a carbon rod, a zinc-iron-copper mixture and a zinc-manganese solution, the zinc-manganese solution is continuously filtered by the primary sedimentation tank 3 to obtain zinc-manganese mud, the zinc-manganese mud is subjected to pressure filtration by the pressure filtration equipment 4 to obtain a zinc-manganese mud filter material, the zinc-manganese mud filter material is subjected to negative pressure incineration in the rotary kiln 5, the rotating speed of the rotary kiln 5 is 20 s/circle, the kiln head temperature of the rotary kiln 5 is 1200 ℃, the kiln tail temperature of the rotary kiln is 500 ℃, a recovery auxiliary material and an auxiliary material are added during incineration and are combusted together, the recovery auxiliary material is selected from manganese-containing steel ash, the weight fraction of manganese in the manganese-containing steel ash is more than 16%, the auxiliary material is coke powder, the zinc-manganese mud accounts for 1/3 of the total weight of the recovery auxiliary material, the auxiliary material and the zinc mud, and the auxiliary material accounts for 30% of the total weight of the non-manganese mud material; recycling ferromanganese alloy at the tail of the rotary kiln 5, collecting ZnO in the bag dust collector 8, collecting incompletely burnt materials in the ash chamber 6, circulating the completely burnt materials into the rotary kiln 5 through a second pipeline, and collecting, purifying and discharging smoke generated by combustion in the gas purification device 11;
the wastewater is filtered by the primary sedimentation tank 3, the secondary sedimentation tank 9 and the tertiary sedimentation tank 10 in sequence and then respectively circulated into the crusher 1 and the water shaker 2;
the zinc-iron-copper mixture is separated by the magnetic separator 7 to obtain a nickel-iron material and an alloy material respectively.
The following studies were conducted on examples of the present invention:
after separation, 21% of ferronickel, 2% of carbon rod, 13% of alloy material and the balance of zinc-manganese mud;
TABLE 1 statistical table of metal content in zinc-manganese mud
| Sample (I) | Pb | Zn | Cl | Fe | Mn |
| Example 1 Zinc manganese sludge | 0.18 | 18.27 | 6.78 | 3.46 | 29.69 |
| EXAMPLE 2 Zinc manganese sludge | 0.17 | 32.49 | 0.24 | 3.47 | 31.04 |
| Example 3 Zinc manganese sludge | / | 18.65 | / | / | 30.87 |
The data obtained after burning the zinc-manganese mud are studied, and are specifically shown in table 2:
TABLE 2 statistical table of metal content in zinc oxide obtained after combustion of zinc-manganese slime
| Discharge sample | Pb | ZnO | Cl | Fe | Mn |
| Example 1 | 4.85 | 45.35 | 7.33 | 0.95 | 8.33 |
| Example 2 | 6.78 | 47.89 | 6.78 | 1.78 | 7.62 |
| Example 3 | 9.38 | 43.56 | 5.28 | 1.32 | 6.23 |
The balance is the mixed ash containing a small amount of trace elements;
TABLE 3 statistics of metal content in ferromanganese alloy obtained after burning zinc-manganese mud
The balance is the mixed ash containing a small amount of trace elements;
the metal content of the ferronickel material obtained by separation in the present application was measured, and the results are shown in fig. 3, in which the iron content is 97.46% and the nickel content is 1.51%.
When the zinc-manganese mud enters the rotary kiln, the manganese content in the zinc-manganese mud is about 30 percent, after the recovery auxiliary materials and auxiliary materials are added, the manganese content in the whole zinc-manganese mud accounts for about 22 to 27 percent of the total amount, and after the zinc-manganese mud is burnt, the manganese content is increased by 3 to 5 percent by weight due to the combination of the metal in the zinc-manganese mud and the metal in the recovery auxiliary materials.
The technology of the application is already applied to production, and results show that the separation of the carbon rod, the nickel iron, the ferromanganese, the zinc oxide, the zinc alloy and the copper alloy of the battery is realized, a real object diagram of the current production is provided, and the separated metal materials are sold.
It will be apparent to those skilled in the art that various changes and modifications may be made in the invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The utility model provides an environmental protection clean-up equipment is retrieved to dry battery which characterized in that includes:
the crusher (1) is used for crushing the waste dry batteries to obtain crushed batteries;
the water shaking table (2) is used for separating the broken batteries to respectively obtain a carbon rod, a zinc-iron-copper mixture and a zinc-manganese solution;
the primary sedimentation tank (3) is used for filtering the zinc-manganese solution to obtain zinc-manganese mud;
the filter pressing equipment (4) is used for carrying out filter pressing on the zinc-manganese mud to obtain a zinc-manganese mud filter material;
the rotary kiln (5) is used for carrying out negative pressure incineration on the zinc-manganese mud filter material, and adding a recovery auxiliary material and auxiliary materials while incinerating;
the recovery auxiliary material is zinc-containing manganese steel ash, zinc-containing steel ash, manganese-containing steel ash or a mixture of manganese-containing steel ash and zinc-containing steel ash; the auxiliary material is coke powder or semi coke;
the cloth bag dust collector (8) is used for collecting zinc oxide generated by negative pressure incineration;
and the gas purification device (11) is used for collecting and purifying the smoke generated by negative pressure incineration.
2. The dry battery recycling environment-friendly cleaning device as claimed in claim 1, wherein the zinc manganese mud accounts for 1/3-2/3 of the total weight of the recycling auxiliary material, the auxiliary material and the zinc manganese mud filter material, and the auxiliary material accounts for 15-30% of the total weight of the non-zinc manganese mud material.
3. The dry battery recycling and environment-friendly cleaning device as claimed in claim 1, wherein the weight fraction of zinc in the zinc-containing steel ash is more than 5%, the weight fraction of manganese in the manganese-containing steel ash is more than 16%, the weight fraction of zinc in the zinc-containing manganese steel ash is more than 5% and the weight fraction of manganese is more than 16%.
4. The dry battery recycling environment-friendly cleaning equipment as claimed in claim 1, wherein the feeding granularity of the crusher (1) is less than or equal to 120mm, the discharging granularity is less than or equal to 20mm, and the production capacity is 2-5t/h;
the power of a motor of the crusher (1) is 30-55kW, and a high-strength bearing with the rotating speed of 1000-2000r/min is selected as the bearing;
the crushing knife of the crusher (1) is made of a 13mn steel plate, and the thickness of a blade of the crushing knife is 8-10mm;
the bottom sieve of the crusher (1) is made of a 16mn steel plate with the thickness of 5mm, and a plurality of sizes of 7 x 40mm are arranged on the bottom sieve 2 The hole of (2).
5. The dry battery recycling and environment-friendly cleaning device as claimed in claim 1, further comprising an ash chamber (6) for recycling incompletely burned materials, wherein the ash chamber (6) is arranged between the rotary kiln (5) and the bag dust collector (8), and a circulating pipeline is further connected between the ash chamber (6) and the rotary kiln (5) in a penetrating manner.
6. The dry battery recycling environment-friendly cleaning device as claimed in claim 1, further comprising a magnetic separator (7) for separating nickel-iron materials in the zinc-iron-copper mixture, wherein the magnetic separator (7) is connected to the water shaking table (2).
7. The dry battery recycling environment-friendly cleaning device as claimed in claim 1, further comprising a secondary sedimentation tank (9) and a tertiary sedimentation tank (10), wherein the secondary sedimentation tank (9) is used for filtering the wastewater in the primary sedimentation tank (3), the tertiary sedimentation tank (10) is used for filtering the wastewater in the secondary sedimentation tank (9), the primary sedimentation tank (3) is connected with the tertiary sedimentation tank (10) through the secondary sedimentation tank (9), and the tertiary sedimentation tank (10) is further connected with the crusher (1) and the water shaking table (2) respectively.
8. The dry battery recycling environment-friendly cleaning equipment as claimed in claim 1, wherein the gas purification device (11) is a spray tower, and flake caustic soda is added in the spray tower.
9. The process for treating dry battery recycling environmental-friendly cleaning equipment according to any one of claims 1 to 8, characterized by comprising the following steps of:
step 1, crushing waste dry batteries by using the crusher (1) to obtain crushed batteries;
step 2, separating the broken batteries by using the water shaking table (2) to obtain a carbon rod, a zinc-iron-copper mixture and a zinc-manganese solution, and recycling the carbon rod;
step 3, filtering the zinc-manganese solution by using the primary sedimentation tank (3) to obtain zinc-manganese mud;
step 4, performing filter pressing on the zinc-manganese mud by using the filter pressing equipment (4) to obtain a zinc-manganese mud filter material and a filtrate;
step 5, carrying out negative pressure incineration on the zinc-manganese mud filter material, the recovery auxiliary material and the auxiliary material by using the rotary kiln (5), wherein the kiln head temperature of the rotary kiln (5) is 1000-1200 ℃, the kiln tail temperature is 500-600 ℃, the rotating speed of the rotary kiln (5) is 8-20 s/circle, and the ferromanganese alloy is recovered from the kiln tail of the rotary kiln (5);
step 6, collecting zinc oxide generated by incineration by using the cloth bag dust collector (8);
and 7, collecting the flue gas by using the gas purification device (11), reducing the sulfur content of the flue gas until the flue gas reaches the emission standard, and discharging the flue gas.
10. The treatment process of the dry battery recycling environment-friendly cleaning equipment as claimed in claim 9, wherein the method for recycling the dry battery recycling environment-friendly cleaning equipment specifically comprises the following steps:
waste dry batteries enter the crusher (1) to be crushed to obtain crushed batteries, the crushed batteries are separated by the water shaking table (2) to respectively obtain a carbon rod, a zinc-iron-copper mixture and a zinc-manganese solution, the zinc-manganese solution is continuously filtered by the primary sedimentation tank (3) to obtain zinc-manganese mud, the zinc-manganese mud is subjected to filter pressing by the filter pressing equipment (4) to obtain a zinc-manganese mud filter material and a filtrate, then the zinc-manganese mud filter material is subjected to negative pressure incineration in the rotary kiln (5), recovery auxiliary materials and auxiliary materials are added during incineration and are combusted together, manganese-iron alloy is recovered at the kiln tail of the rotary kiln (5), znO is collected in the cloth bag dust collector (8), and flue gas generated by combustion is collected, purified and discharged by the gas purification device (11);
the zinc-iron-copper mixture is separated by the magnetic separator (7) to obtain a nickel-iron material and an alloy material respectively, wherein the alloy material is a zinc alloy material, a copper alloy material or a mixture of the zinc alloy material and the copper alloy material, and then the zinc alloy material and the copper alloy material are recovered respectively;
the device is characterized by further comprising a secondary sedimentation tank (9) and a tertiary sedimentation tank (10), wherein after the primary sedimentation tank (3) is sedimented, the wastewater is sequentially filtered by the secondary sedimentation tank (9) and the tertiary sedimentation tank (10) and then respectively circulated into the crusher (1) and the water shaking table (2); the filtrate extruded by the filter pressing equipment (4) enters the secondary sedimentation tank (9);
the rotary kiln further comprises an ash chamber (6), wherein incompletely burnt materials are recycled by the ash chamber (6) and are circulated into the rotary kiln (5) through a circulating pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111202904.9A CN113943865B (en) | 2021-10-15 | 2021-10-15 | Environment-friendly cleaning equipment and process for recycling dry batteries |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111202904.9A CN113943865B (en) | 2021-10-15 | 2021-10-15 | Environment-friendly cleaning equipment and process for recycling dry batteries |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113943865A CN113943865A (en) | 2022-01-18 |
| CN113943865B true CN113943865B (en) | 2023-01-10 |
Family
ID=79330556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111202904.9A Active CN113943865B (en) | 2021-10-15 | 2021-10-15 | Environment-friendly cleaning equipment and process for recycling dry batteries |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113943865B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101054187A (en) * | 2007-04-03 | 2007-10-17 | 深圳市格林美高新技术股份有限公司 | Selective volatilization recovery process and recovery system for waste zinc-manganese battery |
| CN101673829A (en) * | 2009-09-25 | 2010-03-17 | 华南师范大学 | Recovery processing method of waste zinc-manganese battery |
| CN102110825A (en) * | 2009-12-25 | 2011-06-29 | 上海市民办尚德实验学校 | Recovery processing method of waste dry battery |
| CN103227337A (en) * | 2013-04-11 | 2013-07-31 | 安徽理工大学 | Waste zinc-manganese dry battery recovery system based on jigger sorting |
| JP2014201784A (en) * | 2013-04-03 | 2014-10-27 | 東邦亜鉛株式会社 | Metal recovery method |
| WO2015162902A1 (en) * | 2014-04-21 | 2015-10-29 | Ｊｆｅスチール株式会社 | Method and equipment for recovering valuable components from waste dry batteries |
| CN106205895A (en) * | 2016-08-26 | 2016-12-07 | 江西格林美资源循环有限公司 | A kind of waste electric wire cable wet crushing sorting process method |
| CN107180977A (en) * | 2017-07-05 | 2017-09-19 | 内蒙古科技大学 | The recoverying and utilizing method of zinc-manganese in old and useless battery |
-
2021
- 2021-10-15 CN CN202111202904.9A patent/CN113943865B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101054187A (en) * | 2007-04-03 | 2007-10-17 | 深圳市格林美高新技术股份有限公司 | Selective volatilization recovery process and recovery system for waste zinc-manganese battery |
| CN101673829A (en) * | 2009-09-25 | 2010-03-17 | 华南师范大学 | Recovery processing method of waste zinc-manganese battery |
| CN102110825A (en) * | 2009-12-25 | 2011-06-29 | 上海市民办尚德实验学校 | Recovery processing method of waste dry battery |
| JP2014201784A (en) * | 2013-04-03 | 2014-10-27 | 東邦亜鉛株式会社 | Metal recovery method |
| CN103227337A (en) * | 2013-04-11 | 2013-07-31 | 安徽理工大学 | Waste zinc-manganese dry battery recovery system based on jigger sorting |
| WO2015162902A1 (en) * | 2014-04-21 | 2015-10-29 | Ｊｆｅスチール株式会社 | Method and equipment for recovering valuable components from waste dry batteries |
| CN106205895A (en) * | 2016-08-26 | 2016-12-07 | 江西格林美资源循环有限公司 | A kind of waste electric wire cable wet crushing sorting process method |
| CN107180977A (en) * | 2017-07-05 | 2017-09-19 | 内蒙古科技大学 | The recoverying and utilizing method of zinc-manganese in old and useless battery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113943865A (en) | 2022-01-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110369451B (en) | Method for synergistically and comprehensively utilizing sintering machine head ash and waste incineration fly ash | |
| CN108011148A (en) | Method for recovering metal from waste lithium ion battery | |
| WO2022142067A1 (en) | Wet separation process for waste lithium batteries and use thereof | |
| JP7511932B2 (en) | Dismantling and separating used lithium-ion batteries | |
| KR970003881B1 (en) | Method of processing nickel-cadmium battery or nickel-hydride battery | |
| CN106558739A (en) | Separating technology is reclaimed based on lithium ion battery environment-friendly high-efficiency in waste mobile phone | |
| CN107623152B (en) | Applying waste lithium ionic power battery resource recycle method | |
| CN110034350B (en) | Method for comprehensively recycling waste lithium batteries through low-oxygen cracking | |
| CN102534220A (en) | Closed circulating and recycling method of waste lead-acid accumulator | |
| CN112635867B (en) | Method for recycling waste lithium battery graphite material | |
| WO2022161086A1 (en) | Process for selectively recovering current collectors from spent lithium-ion batteries and application | |
| CN115084704B (en) | Method for separating and recovering valuable components of waste ternary batteries | |
| CN101673829A (en) | Recovery processing method of waste zinc-manganese battery | |
| WO2022062674A1 (en) | Method for recycling gold from full-mud cyanide tailings | |
| CN1891841B (en) | Regenerative lead processing method and apparatus | |
| CN112828011A (en) | Method for treating waste lithium battery copper-aluminum material and application | |
| CN115149138A (en) | Waste lithium battery disassembling and recycling device and method | |
| CN111206157A (en) | High-efficient environmental protection recovery system of valuable metal of useless circuit board | |
| CN111180821A (en) | Harmless recycling and sorting method for waste lithium ion batteries | |
| CN113943865B (en) | Environment-friendly cleaning equipment and process for recycling dry batteries | |
| CN115301701A (en) | Waste lithium battery crushing and sorting process | |
| CN113399110A (en) | Method for recycling iron-containing zinc-containing solid waste | |
| CN112458295A (en) | Efficient mineral processing method for recycling iron blast furnace ash | |
| CN115970848B (en) | Recovery sorting method and system for lithium ion batteries | |
| CN218731221U (en) | Lithium battery dry-method recovery processing system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |