CN110681281A - Calcining and spraying treatment equipment for extracting fluorescent powder - Google Patents
Calcining and spraying treatment equipment for extracting fluorescent powder Download PDFInfo
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- CN110681281A CN110681281A CN201910947372.8A CN201910947372A CN110681281A CN 110681281 A CN110681281 A CN 110681281A CN 201910947372 A CN201910947372 A CN 201910947372A CN 110681281 A CN110681281 A CN 110681281A
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- 238000001354 calcination Methods 0.000 title claims abstract description 77
- 238000005507 spraying Methods 0.000 title claims abstract description 37
- 239000000843 powder Substances 0.000 title claims abstract description 32
- 238000006243 chemical reaction Methods 0.000 claims abstract description 90
- 238000001914 filtration Methods 0.000 claims abstract description 73
- 238000003756 stirring Methods 0.000 claims abstract description 33
- 238000002156 mixing Methods 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims description 74
- 239000007788 liquid Substances 0.000 claims description 71
- 239000007921 spray Substances 0.000 claims description 37
- 239000000428 dust Substances 0.000 claims description 35
- 230000007246 mechanism Effects 0.000 claims description 35
- 239000002699 waste material Substances 0.000 claims description 22
- 238000005485 electric heating Methods 0.000 claims description 14
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 11
- 239000004744 fabric Substances 0.000 claims description 9
- 238000005086 pumping Methods 0.000 claims description 6
- 238000000605 extraction Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 5
- 238000012545 processing Methods 0.000 abstract description 5
- 238000004064 recycling Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 2
- 238000011084 recovery Methods 0.000 abstract description 2
- 239000000706 filtrate Substances 0.000 description 20
- 238000004090 dissolution Methods 0.000 description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- 239000010793 electronic waste Substances 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 6
- 239000012452 mother liquor Substances 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000002912 waste gas Substances 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 229910052691 Erbium Inorganic materials 0.000 description 1
- 229910052693 Europium Inorganic materials 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 description 1
- OGPBJKLSAFTDLK-UHFFFAOYSA-N europium atom Chemical compound [Eu] OGPBJKLSAFTDLK-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
- 229910000164 yttrium(III) phosphate Inorganic materials 0.000 description 1
- UXBZSSBXGPYSIL-UHFFFAOYSA-K yttrium(iii) phosphate Chemical compound [Y+3].[O-]P([O-])([O-])=O UXBZSSBXGPYSIL-UHFFFAOYSA-K 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/01—Recovery of luminescent materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/80—Destroying solid waste or transforming solid waste into something useful or harmless involving an extraction step
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B2101/00—Type of solid waste
- B09B2101/02—Gases or liquids enclosed in discarded articles, e.g. aerosol cans or cooling systems of refrigerators
-
- 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
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to the field of fluorescent powder recovery processing, in particular to calcining and spraying processing equipment for extracting fluorescent powder, which comprises a rack, a mixing and stirring device, a calcining device, a spraying device and a reaction filtering device, wherein the mixing and stirring device is arranged on the rack through a support frame and is positioned at one end of the rack in the length direction, the calcining device is arranged on the rack and is positioned below the mixing and stirring device, the mixing and stirring device is communicated with the calcining device through a uniform feeder, the reaction filtering device is arranged at the other end of the rack, the spraying device is arranged between the calcining device and the reaction filtering device, the support frame is fixedly arranged on the rack, and the uniform feeder is arranged on the rack and is communicated with the mixing and stirring device and the calcining device. The invention completes the mixing, calcining, spraying and preliminary reaction filtering of the fluorescent powder through the mixing and stirring device, the calcining device, the spraying device and the reaction filtering device, has simple operation and solves the primary problem in the recycling process of the fluorescent powder.
Description
Technical Field
The invention relates to the field of fluorescent powder recovery processing, in particular to calcining and spraying processing equipment for fluorescent powder extraction.
Background
The electronic waste is commonly called as 'electronic garbage', and refers to discarded electric appliances or electronic equipment which are not used any more, and mainly comprises household appliances such as refrigerators, air conditioners, washing machines, televisions and the like, and obsolete products of electronic technologies such as computer communication electronic products and the like. Electronic waste needs to be treated carefully, and in some developing countries, the phenomenon of electronic waste is very serious, and the environment pollution caused by the electronic waste threatens the physical health of local residents. As a resource complex, electronic waste contains a plurality of precious resources, and the recycling and cyclic utilization of the electronic waste are important ways for solving the problems of resource shortage, environmental pollution and the like. The method changes waste into valuable by improving the resource utilization rate, fully exerts the functions of various waste resources including electronic waste, and becomes one of the modes for supporting the rapid development of the economic society of China.
At present, China enters into the electric appliance elimination peak period. As early as 2003, at least 600 ten thousand washing machines, 500 ten thousand televisions and 400 ten thousand refrigerators are scrapped in China every year. In addition, waste automobiles, electric vehicles and the like are also an important source of electronic garbage. According to practical experiments, about 10g of phosphor is generated by each waste CRT television, so that 50 tons of phosphor is generated in total and contains valuable metals such as zinc (Zn), europium (Eu), yttrium (Y), erbium (Er). If not properly treated, contaminants such as metal complexes in the CRT phosphor and lead-containing glass entrained in the phosphor can enter the soil, air and rivers, causing serious problems. Therefore, it is necessary to properly recover the phosphor in the CRT from the viewpoint of environmental management and resource utilization.
In CN109735719A patent, a method for processing waste tv fluorescent powder is required to add carbon powder into collected waste tv fluorescent powder, mix them uniformly, then put into a high temperature furnace at 800-; adding a sulfuric acid solution into the calcined material for dissolving, reacting at the temperature of 70-85 ℃ for 2-3h, then filtering to obtain a filtrate and filter residues, adding phosphate into the filtrate, reacting at the pH of 2-2.5 and the temperature of 65-75 ℃ for 1-2h, and then filtering to obtain yttrium phosphate and mother liquor.
Therefore, a calcination spray treatment device for realizing the above treatment method is needed.
Disclosure of Invention
The invention aims to provide a calcining and spraying treatment device for extracting fluorescent powder.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a calcine spray treatment facility for phosphor powder draws, which comprises a frame, mix agitating unit, calcining device, spray set and reaction filter equipment, mix agitating unit and pass through the one end that the support frame setting just is located frame length direction in the frame, calcining device sets up in the frame and is located the below that mixes agitating unit, mix agitating unit and calcining device and pass through even dispenser intercommunication, reaction filter equipment sets up the other end in the frame, spray set sets up between calcining device and reaction filter equipment, the support frame is fixed to be set up in the frame, even dispenser set up in the frame and with mix agitating unit and calcining device intercommunication.
As an optimal scheme that is used for calcining of phosphor powder extraction to spray treatment facility, mixing stirring device includes stirred tank, gear motor and (mixing) shaft, and the vertical setting of stirred tank is on the support frame, and gear motor sets up the top at stirred tank, and the (mixing) shaft setting is inside stirred tank and be connected with gear motor, stirred tank's bottom and even dispenser intercommunication, and stirred tank's top is provided with a plurality of charge door.
As a preferred scheme of a calcining and spraying treatment device for extracting fluorescent powder, the calcining device comprises an electric calcining furnace, a fan and a condenser, the electric calcining furnace is arranged on a rack, the fan and the condenser are respectively arranged on two sides of the electric calcining furnace, the fan is communicated with the electric calcining furnace, the electric calcining furnace is communicated with the spraying device through a dust guide pipe, the condenser pipe of the condenser is wound on the dust guide pipe, a material receiving pipe is arranged below the dust guide pipe, the material receiving pipe penetrates through the rack and is communicated with the dust guide pipe, a material receiving cloth screen is arranged on the dust guide pipe and is positioned between the spraying device and the material receiving pipe, the material receiving cloth screen is close to the joint of the material receiving pipe and the dust guide pipe, a first material storage barrel is arranged below the material receiving pipe, and a first electromagnetic valve is arranged between the material receiving pipe and the first material storage barrel.
As an optimal scheme of calcining and spraying treatment equipment for extracting fluorescent powder, the spraying device comprises a spraying tower, a liquid tank, a liquid pump, a waste liquid barrel and a plurality of spraying pipes, the spraying tower is vertically arranged on the rack, the lower end of the spraying tower penetrates through the rack and just faces the waste liquid barrel, the liquid tank is arranged on the outer side of the spraying tower, the waste liquid barrel is arranged below the rack, all the spraying pipes are arranged in the spraying tower at intervals, all the spraying pipes are communicated with the liquid pump through a liquid pumping pipe, and the liquid pump is arranged at the top of the liquid tank and is communicated with the liquid tank and the liquid pump.
As an optimal scheme that is used for calcining of phosphor powder extraction to spray treatment facility, reaction filter equipment includes first reaction filtering mechanism and second reaction filtering mechanism, first reaction filtering mechanism and second reaction filtering mechanism all include reation kettle, electric heater unit and receipts liquid bucket, every reation kettle all sets up in the frame and its lower extreme all just to receiving the liquid bucket, electric heater unit's electric heating pipe is all around establishing at the reation kettle outer wall, reation kettle's lower extreme is provided with the filter cartridge, be connected through the second solenoid valve between reation kettle and the filter cartridge, the second solenoid valve setting is in reation kettle's bottom and communicate with reation kettle and filter cartridge.
As a preferred scheme of the calcining and spraying treatment equipment for extracting the fluorescent powder, each filter box is internally provided with a filter drawer, and the filter drawers are inserted into the filter boxes.
As a preferable scheme of the calcining and spraying treatment equipment for extracting the fluorescent powder, the top of each reaction kettle is provided with a temperature sensor.
The invention has the beneficial effects that: pouring the collected waste television fluorescent powder into a stirring kettle through a charging hole, adding carbon powder, driving a stirring shaft by a speed reducing motor to uniformly mix the fluorescent powder and the carbon powder, and then introducing the mixed material into a calcining device through a uniform feeder. After the materials enter the electric calcining furnace, the materials are calcined by the electric calcining furnace, after the materials are calcined, dust materials are blown to the dust guide pipe through the fan, the dust guide pipe is condensed by the condenser, the condensed dust materials are screened and reserved to the material receiving pipe by the dust collecting cloth screen, and the dust materials are controlled to enter the material storage barrel through the first electromagnetic valve. Waste gas generated by material calcination enters the spray tower, the liquid pump sprays out the solution in the liquid tank through the liquid pumping pipe and the spray pipe, the solution absorbs the flue gas to form absorption liquid, and the absorption liquid flows into the waste liquid barrel. Pouring the materials in the storage barrel into a reaction kettle of a first reaction filtering mechanism, adding a specific solution to dissolve the materials, controlling the temperature during dissolution by an electric heating device, opening a second electromagnetic valve of the first reaction filtering mechanism after dissolution, filtering the dissolved materials by a filtering box to obtain filter residues and filtrate, allowing the filtrate to enter a liquid receiving barrel of the first reaction filtering mechanism, pouring the filtrate in the liquid receiving barrel of the first reaction filtering mechanism into a reaction kettle of a second reaction filtering mechanism, simultaneously adding other solutions to enable the dissolution reaction to occur, controlling the temperature during dissolution by the electric heating device, opening a second electromagnetic valve of the second reaction filtering mechanism after dissolution, filtering the dissolved materials by the filtering box of the second reaction filtering mechanism to obtain filtrate and mother liquor. And filtering the dissolved materials through a filter drawer in each filtration to obtain corresponding filtrate and filtrate. The temperature sensor is used for monitoring the reaction temperature corresponding to each reaction kettle.
The invention completes the mixing, calcining, spraying and preliminary reaction filtering of the fluorescent powder through the mixing and stirring device, the calcining device, the spraying device and the reaction filtering device, has simple operation and solves the primary problem in the recycling process of the fluorescent powder.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of the present invention.
Fig. 3 is a side view one of the present invention.
Fig. 4 is a side view two of the present invention.
Fig. 5 is a partial exploded view of the present invention.
Fig. 6 is a cross-sectional view at a-a in fig. 4.
In the figure: the device comprises a frame 1, a mixing and stirring device 2, a calcining device 3, a spraying device 4, a reaction filtering device 5, a supporting frame 6, an even feeder 7, a stirring kettle 2a, a speed reducing motor 2b, a stirring shaft 2c, a charging hole 2d, an electric calcining furnace 3a, a fan 3b, a condenser 3c, a dust guide pipe 3d, a material receiving pipe 3e, a material receiving cloth sieve 3f, a first material storage barrel 3g, a first electromagnetic valve 3h, a spraying tower 4a, a liquid tank 4b, a liquid pump 4c, a waste liquid barrel 4d, a spraying pipe 4e, a liquid pumping pipe 4f, a first reaction filtering mechanism 5a, a second reaction filtering mechanism 5b, a reaction kettle 5c, an electric heating device 5d, a liquid receiving barrel 5e, a filtering box 5f, a second electromagnetic valve 5g, a filtering drawer 5h and a temperature sensor 5 i.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and the specific meanings of the terms may be understood by those skilled in the art according to specific situations.
In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being fixed or detachable or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 6, a calcining spray treatment device for extracting phosphor powder, which comprises a frame 1, a mixing and stirring device 2, a calcining device 3, a spraying device 4 and a reaction filtering device 5, wherein the mixing and stirring device 2 is arranged on the frame 1 through a support frame 6 and is positioned at one end of the length direction of the frame 1, the calcining device 3 is arranged on the frame 1 and is positioned below the mixing and stirring device 2, the mixing and stirring device 2 is communicated with the calcining device 3 through an even feeder 7, the reaction filtering device 5 is arranged at the other end of the frame 1, the spraying device 4 is arranged between the calcining device 3 and the reaction filtering device 5, the support frame 6 is fixedly arranged on the frame 1, and the even feeder 7 is arranged on the frame 1 and is communicated with the mixing and stirring device 2 and the calcining device 3.
Mixing stirring device 2 includes stirred tank 2a, gear motor 2b and (mixing) shaft 2c, and stirred tank 2a is vertical to be set up on support frame 6, and gear motor 2b sets up at stirred tank 2 a's top, and (mixing) shaft 2c sets up inside stirred tank 2a and be connected with gear motor 2b, stirred tank 2 a's bottom and even feeder 7 intercommunication, and stirred tank 2 a's top is provided with a plurality of charge door 2 d. The collected waste television fluorescent powder is poured into a stirring kettle 2a through a charging hole 2d and then carbon powder is added, a speed reducing motor 2b drives a stirring shaft 2c to uniformly mix the fluorescent powder and the carbon powder, and the mixed material is introduced into a calcining device 3 through a uniform feeder 7.
The calcining apparatus 3 comprises an electric calciner 3a, the electric calcining furnace 3a is arranged on the rack 1, the fan 3b and the condenser 3c are respectively arranged on two sides of the electric calcining furnace 3a, the fan 3b is communicated with the electric calcining furnace 3a, the electric calcining furnace 3a is communicated with the spraying device 4 through the dust guide pipe 3d, the condenser pipe of the condenser 3c is wound on the dust guide pipe 3d, the dust guide pipe 3d is provided with the material receiving pipe 3e below, the material receiving pipe 3e penetrates through the rack 1 to be communicated with the dust guide pipe 3d, the dust guide pipe 3d is provided with the material receiving cloth sieve 3f between the spraying device 4 and the material receiving pipe 3e, the material receiving cloth sieve 3f is close to the joint of the material receiving pipe 3e and the dust guide pipe 3d, the first storage barrel 3g is arranged below the material receiving pipe 3e, and the first electromagnetic valve 3h is arranged between the material receiving pipe 3e and the first storage barrel 3 g. After the materials enter the electric calcining furnace 3a, the materials are calcined by the electric calcining furnace 3a, after the calcination is completed, dust materials are blown to the dust guide pipe 3d through the fan 3b, the materials are condensed by the condenser 3c, the condensed dust materials are screened by the dust collection cloth screen and are reserved in the material receiving pipe 3e, and the dust materials are controlled to enter the material storage barrel through the first electromagnetic valve 3 h.
Spray set 4 includes spray column 4a, liquid tank 4b, liquid pump 4c, waste liquid bucket 4d and a plurality of shower 4e, spray column 4a is vertical to be set up in frame 1 and its lower extreme passes frame 1 just to waste liquid bucket 4d, liquid tank 4b sets up the outside at spray column 4a, waste liquid bucket 4d sets up in frame 1 below, all shower 4e equal intervals set up in spray column 4a, all shower 4e all communicate with liquid pump 4c through pump liquid pipe 4f, liquid pump 4c sets up at liquid tank 4 b's top and all communicates with liquid tank 4b and liquid pump 4 c. Waste gas generated by material calcination enters the spray tower 4a, the liquid pump 4c sprays out the solution in the liquid tank 4b through the liquid pumping pipe 4f and the spray pipe 4e, the solution absorbs the flue gas to form absorption liquid, and the absorption liquid flows into the waste liquid barrel 4 d.
The reaction filtering device 5 comprises a first reaction filtering mechanism 5a and a second reaction filtering mechanism 5b, the first reaction filtering mechanism 5a and the second reaction filtering mechanism 5b comprise a reaction kettle 5c, an electric heating device 5d and a liquid receiving barrel 5e, each reaction kettle 5c is arranged on the rack 1, the lower end of each reaction kettle 5c is opposite to the liquid receiving barrel 5e, an electric heating pipe of the electric heating device 5d is wound on the outer wall of the reaction kettle 5c, a filtering box 5f is arranged at the lower end of the reaction kettle 5c, the reaction kettle 5c is connected with the filtering box 5f through a second electromagnetic valve 5g, and the second electromagnetic valve 5g is arranged at the bottom of the reaction kettle 5c and is communicated with the reaction kettle 5c and the filtering box 5 f. Pouring the materials in the storage barrel into a reaction kettle 5c of a first reaction filtering mechanism 5a, adding a specific solution to dissolve the materials, controlling the temperature during dissolution by an electric heating device 5d, opening a second electromagnetic valve 5g of the first reaction filtering mechanism 5a after dissolution, filtering the dissolved materials by a filtering box 5f to obtain filter residues and filtrate, feeding the filtrate into a liquid receiving barrel 5e of the first reaction filtering mechanism 5a, pouring the filtrate in the liquid receiving barrel 5e of the first reaction filtering mechanism 5a into the reaction kettle 5c of a second reaction filtering mechanism 5b, simultaneously adding other solutions to perform dissolution reaction, controlling the temperature during dissolution by the electric heating device 5d, opening the second electromagnetic valve 5g of the second reaction filtering mechanism 5b after dissolution, filtering the dissolved materials by the filtering box 5f of the second reaction filtering mechanism 5b, to obtain a filtrate and a mother liquor.
Each filter box 5f is internally provided with a filter drawer 5h, and the filter drawer 5h is inserted in the filter box 5 f. And filtering the dissolved materials through a filter drawer for 5 hours in each filtration to obtain corresponding filtrate and filtrate.
And the top of each reaction kettle 5c is provided with a temperature sensor 5 i. The temperature sensor 5i is used to monitor the reaction temperature corresponding to each reaction vessel 5 c.
The working principle is as follows: the collected waste television fluorescent powder is poured into a stirring kettle 2a through a charging hole 2d and then carbon powder is added, a speed reducing motor 2b drives a stirring shaft 2c to uniformly mix the fluorescent powder and the carbon powder, and the mixed material is introduced into a calcining device 3 through a uniform feeder 7. After the materials enter the electric calcining furnace 3a, the materials are calcined by the electric calcining furnace 3a, after the calcination is completed, dust materials are blown to the dust guide pipe 3d through the fan 3b, the materials are condensed by the condenser 3c, the condensed dust materials are screened by the dust collection cloth screen and are reserved in the material receiving pipe 3e, and the dust materials are controlled to enter the material storage barrel through the first electromagnetic valve 3 h. Waste gas generated by material calcination enters the spray tower 4a, the liquid pump 4c sprays out the solution in the liquid tank 4b through the liquid pumping pipe 4f and the spray pipe 4e, the solution absorbs the flue gas to form absorption liquid, and the absorption liquid flows into the waste liquid barrel 4 d. Pouring the materials in the storage barrel into a reaction kettle 5c of a first reaction filtering mechanism 5a, adding a specific solution to dissolve the materials, controlling the temperature during dissolution by an electric heating device 5d, opening a second electromagnetic valve 5g of the first reaction filtering mechanism 5a after dissolution, filtering the dissolved materials by a filtering box 5f to obtain filter residues and filtrate, feeding the filtrate into a liquid receiving barrel 5e of the first reaction filtering mechanism 5a, pouring the filtrate in the liquid receiving barrel 5e of the first reaction filtering mechanism 5a into the reaction kettle 5c of a second reaction filtering mechanism 5b, simultaneously adding other solutions to perform dissolution reaction, controlling the temperature during dissolution by the electric heating device 5d, opening the second electromagnetic valve 5g of the second reaction filtering mechanism 5b after dissolution, filtering the dissolved materials by the filtering box 5f of the second reaction filtering mechanism 5b, to obtain a filtrate and a mother liquor. And filtering the dissolved materials through a filter drawer for 5 hours in each filtration to obtain corresponding filtrate and filtrate. The temperature sensor 5i is used to monitor the reaction temperature corresponding to each reaction vessel 5 c.
It should be understood that the above-described embodiments are merely preferred embodiments of the invention and the technical principles applied thereto. It will be understood by those skilled in the art that various modifications, equivalents, changes, and the like can be made to the present invention. However, such variations are within the scope of the invention as long as they do not depart from the spirit of the invention. In addition, certain terms used in the specification and claims of the present application are not limiting, but are used merely for convenience of description.
Claims (7)
1. A calcining and spraying treatment device for extracting fluorescent powder is characterized by comprising a frame (1) and a mixing and stirring device (2), calcining device (3), spray set (4) and reaction filter equipment (5), mix agitating unit (2) and set up in frame (1) and be located frame (1) length direction's one end through support frame (6), calcining device (3) set up in frame (1) and are located the below of mixing agitating unit (2), mix agitating unit (2) and calcining device (3) through even dispenser (7) intercommunication, reaction filter equipment (5) set up the other end in frame (1), spray set (4) set up between calcining device (3) and reaction filter equipment (5), support frame (6) are fixed to be set up in frame (1), even dispenser (7) set up in frame (1) and with mix agitating unit (2) and calcining device (3) intercommunication.
2. The calcining spray treatment equipment for extracting the fluorescent powder as claimed in claim 1, wherein the mixing and stirring device (2) comprises a stirring kettle (2a), a speed reducing motor (2b) and a stirring shaft (2c), the stirring kettle (2a) is vertically arranged on the support frame (6), the speed reducing motor (2b) is arranged at the top of the stirring kettle (2a), the stirring shaft (2c) is arranged inside the stirring kettle (2a) and connected with the speed reducing motor (2b), the bottom of the stirring kettle (2a) is communicated with the homogenizing device (7), and a plurality of feeders (2d) are arranged at the top of the stirring kettle (2 a).
3. The calcining and spraying treatment equipment for extracting the fluorescent powder as claimed in claim 1, wherein the calcining device (3) comprises an electric calcining furnace (3a), a fan (3b) and a condenser (3c), the electric calcining furnace (3a) is arranged on the frame (1), the fan (3b) and the condenser (3c) are respectively arranged at two sides of the electric calcining furnace (3a), the fan (3b) is communicated with the electric calcining furnace (3a), the electric calcining furnace (3a) is communicated with the spraying device (4) through a dust guide pipe (3d), the condenser pipe of the condenser (3c) is wound on a dust guide pipe (3d), a material receiving pipe (3e) is arranged below the dust guide pipe (3d), the material receiving pipe (3e) passes through the frame (1) and is communicated with the dust guide pipe (3d), and a material receiving and distributing sieve (3f) is arranged on the dust guide pipe (3d) and between the spraying device (4) and the material receiving pipe (3e), the cloth receiving screen (3f) is close to the joint of the material receiving pipe (3e) and the dust guide pipe (3d), a first storage barrel (3g) is arranged below the material receiving pipe (3e), and a first electromagnetic valve (3h) is arranged between the material receiving pipe (3e) and the first storage barrel (3 g).
4. The calcining spray treatment equipment for extracting the fluorescent powder, according to claim 1, characterized in that the spray device (4) comprises a spray tower (4a), a liquid tank (4b), a liquid pump (4c), a waste liquid barrel (4d) and a plurality of spray pipes (4e), the spray tower (4a) is vertically arranged on the frame (1) and the lower end of the spray tower passes through the frame (1) and is just opposite to the waste liquid barrel (4d), the liquid tank (4b) is arranged on the outer side of the spray tower (4a), the waste liquid barrel (4d) is arranged below the frame (1), all the spray pipes (4e) are arranged in the spray tower (4a) at intervals, all the spray pipes (4e) are communicated with the liquid pump (4c) through a liquid pumping pipe (4f), and the liquid pump (4c) is arranged at the top of the liquid tank (4b) and is communicated with the liquid tank (4b) and the liquid pump (4 c).
5. The calcination spray treatment device for phosphor extraction according to claim 1, the device is characterized in that the reaction filtering device (5) comprises a first reaction filtering mechanism (5a) and a second reaction filtering mechanism (5b), the first reaction filtering mechanism (5a) and the second reaction filtering mechanism (5b) respectively comprise a reaction kettle (5c), an electric heating device (5d) and a liquid receiving barrel (5e), each reaction kettle (5c) is arranged on the rack (1), the lower end of each reaction kettle is opposite to the liquid receiving barrel (5e), an electric heating pipe of the electric heating device (5d) is wound on the outer wall of the reaction kettle (5c), a filter box (5f) is arranged at the lower end of the reaction kettle (5c), the reaction kettle (5c) is connected with the filter box (5f) through a second electromagnetic valve (5g), and the second electromagnetic valve (5g) is arranged at the bottom of the reaction kettle (5c) and is communicated with the reaction kettle (5c) and the filter box (5 f).
6. The calcining spray treatment equipment for extracting the fluorescent powder as claimed in claim 5, wherein a filter drawer (5h) is arranged in each filter box (5f), and the filter drawer (5h) is inserted in the filter box (5 f).
7. The calcining spray treatment equipment for phosphor extraction as recited in claim 5, characterized in that a temperature sensor (5i) is provided at the top of each reaction kettle (5 c).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910947372.8A CN110681281A (en) | 2019-10-08 | 2019-10-08 | Calcining and spraying treatment equipment for extracting fluorescent powder |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910947372.8A CN110681281A (en) | 2019-10-08 | 2019-10-08 | Calcining and spraying treatment equipment for extracting fluorescent powder |
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| CN110681281A true CN110681281A (en) | 2020-01-14 |
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| CN201910947372.8A Pending CN110681281A (en) | 2019-10-08 | 2019-10-08 | Calcining and spraying treatment equipment for extracting fluorescent powder |
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Cited By (1)
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| CN111780546A (en) * | 2020-06-18 | 2020-10-16 | 陈婉华 | Calcination of phosphor powder sprays treatment facility |
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