CN114907115B - Device and method for preparing production materials of ceramic factory by recycling barium resources - Google Patents
Device and method for preparing production materials of ceramic factory by recycling barium resources Download PDFInfo
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- CN114907115B CN114907115B CN202210673167.9A CN202210673167A CN114907115B CN 114907115 B CN114907115 B CN 114907115B CN 202210673167 A CN202210673167 A CN 202210673167A CN 114907115 B CN114907115 B CN 114907115B
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/46—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates
- C04B35/462—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates
- C04B35/465—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates
- C04B35/468—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on barium titanates
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- C04B35/62204—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products using waste materials or refuse
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- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
- C04B35/6261—Milling
- C04B35/62615—High energy or reactive ball milling
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
- C04B35/62645—Thermal treatment of powders or mixtures thereof other than sintering
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- 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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
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Abstract
The invention discloses a device and a method for preparing production materials of a ceramic factory by recycling barium resources, wherein the device comprises a first processing unit for crushing and granulating barium slag, a second processing unit for carrying out heat treatment on materials, a feeding end of which is connected with a discharging end of the first processing unit, and a third processing unit for carrying out retreatment on the materials after heat treatment, wherein the feeding end of the third processing unit can be connected with a discharging end of the second processing unit; the method comprises the following steps: grinding the barium slag and calcium chloride, and then performing granulation, preheating and roasting treatment; then adding hot water, continuously stirring, performing solid-liquid separation treatment, and collecting liquid; dropwise adding the collected liquid and a titanium chloride solution into an oxalic acid solution, and carrying out aging, filtering, drying and calcining treatment; the invention has reasonable integral structure design, realizes the recovery of barium slag into barium titanate material required by the electronic ceramic industry by utilizing the multi-stage processing unit, and has the advantages of high recovery rate and better economic benefit.
Description
Technical Field
The invention relates to the technical field of barium resource recycling, in particular to a device and a method for preparing production materials of a ceramic factory through recycling barium resources.
Background
The barium slag is solid waste discharged in the process of producing barium carbonate by using barite, and mainly contains acid-soluble barium and water-soluble barium. Particularly, the barium ion content in the black barium slag is high, the black barium slag has toxicity and belongs to dangerous waste, the barium slag is stacked for a long time, not only occupies a large amount of land, but also pollutes the environment, particularly, spontaneous combustion reaction occurs at high temperature, toxic gas is discharged, a large amount of yellow waste water containing sulfide flows out through rainwater infiltration, and flows into surface water and underground water to pollute water; meanwhile, barium sulfide and acid-soluble barium in the waste residue also directly generate toxic action on soil.
At present, most barium salt manufacturers adopt temporary stacking to temporarily store barium residues. If the barium slag can be recycled and prepared into production materials required by ceramic factories, the problems of excessive occupation of the barium slag and environment caused by the excessive occupation can be effectively solved.
Disclosure of Invention
Aiming at the problems, the invention provides a device and a method for preparing production materials of a ceramic factory by recycling barium resources.
The design scheme of the invention is as follows: a device for preparing production materials of a ceramic factory by recycling barium resources comprises a first processing unit for crushing and granulating barium slag, a second processing unit with a feeding end connected with a discharging end of the first processing unit and used for carrying out heat treatment on materials, and a third processing unit with a feeding end capable of being connected with a discharging end of the second processing unit and used for reprocessing the heat-treated materials; the discharge end of the third processing unit is connected with the feed end of the second processing unit;
the first processing unit comprises an equipment shell, a dividing disc, a ball milling component, a feeding component, a screening component, an air guide component and a mixing component, wherein the dividing disc is arranged in the equipment shell and divides the equipment shell into a lower-end crushing cavity and an upper-end mixing cavity;
the cutting disc comprises a cutting disc body and a communicating disc which is arranged on the cutting disc body and is used for communicating the lower-end crushing cavity and the upper-end mixing cavity;
the ball milling assembly comprises a grinding disc arranged in the lower end crushing cavity and a grinding roller assembly arranged in the lower end crushing cavity and contacted with the upper surface of the grinding disc;
the feeding assembly comprises a feeding pipe which penetrates through the upper end mixing cavity and is positioned in the lower end crushing cavity at the bottom, and a material temporary storage groove which is connected with the lower end of the feeding pipe at the feeding end and is funnel-shaped in structure; the discharge end of the material temporary storage groove is positioned right above the grinding disc;
the screening assembly comprises a screening cavity and a separator, wherein the screening cavity is arranged at the lower end of the dividing disc body, and the separator is arranged on the screening cavity; a material return port communicated with the material temporary storage groove is formed in the bottom of the screening cavity, and a screening discharge port communicated with the communicating disc is formed in the top of the screening cavity;
the mixing assembly comprises a mixing groove, a mixing stirring piece and a material twisting disc group, wherein the side wall of the mixing groove is provided with a granular material screen groove, the mixing stirring piece is arranged on the upper end mixing cavity and is positioned in the inner cavity of the mixing groove, and the material twisting disc group is arranged at the end part of the mixing stirring piece and is in contact with the inner wall of the mixing groove;
the granule screen groove comprises a granule through groove communicated with the mixing groove and a granule screen arranged at the communication position of the granule through groove and the mixing groove;
the second processing unit comprises a preheating unit for preheating the materials and a heat treatment unit connected with the preheating unit for heat treatment of the materials;
the third treatment unit comprises a solid-liquid separation unit with a feeding end connected with the discharge end of the heat treatment unit and a reaction aging unit with a feeding end connected with the discharge end of the solid-liquid separation unit;
the reaction aging unit comprises an installation shell, a liquid temporary storage cavity arranged on the outer side wall of the installation shell, a dripping component arranged in the installation shell and connected with the liquid temporary storage cavity, and a reaction aging cavity arranged in the installation shell and connected with the dripping component;
the liquid temporary storage cavity comprises a first liquid temporary storage cavity, a second liquid temporary storage cavity and a third liquid temporary storage cavity, wherein the first liquid temporary storage cavity is connected with the solid-liquid separation unit and used for temporarily storing the barium chloride solution, the second liquid temporary storage cavity is used for temporarily storing the titanium chloride solution, and the third liquid temporary storage cavity is used for temporarily storing the oxalic acid solution;
the reaction aging cavity comprises a reaction cavity body which is connected with the dripping component and is internally provided with a stirring device, an aging cavity body which is connected with the reaction cavity body and is internally provided with a filtering component, and a filter material temporary storage cavity body which is connected with the aging cavity body and is internally provided with a feeding component;
the filter material temporary storage cavity is connected with the preheating unit through the feeding assembly.
Furthermore, the screening cavity comprises a top screening disc which is arranged at the lower end of the dividing disc body and communicated with the communicating disc, and a bottom screening disc which is connected with the top screening disc through an installation rod and communicated with the material temporary storage groove; the top end screening disc and the bottom screening disc form a screening channel; the screening discharge hole is formed in the top screening disc; the bottom screening disc can form a material screening channel together with the side wall of the lower crushing cavity and the top screening disc, so that the separator can be conveniently installed.
Further, a screening base is arranged at the communicating position of the bottom screening disc and the material temporary storage groove.
Furthermore, the separator comprises a first powder concentrator arranged at the inlet end of the screening channel and a second powder concentrator arranged on the screening base and positioned at the outlet end of the screening channel; utilize first selection powder machine, second selection powder machine to carry out dual selection powder and handle, and can combine material screening passageway to install, can be effective handle the accuse to required barium sediment powder granularity, do benefit to the rate of recovery of post processing barium ion.
Furthermore, the air guide assembly comprises a fan arranged at the bottom of the lower-end crushing cavity, a first air pipe assembly connected with the fan and used for blowing fine materials from the ball milling assembly to the screening assembly and the upper-end mixing cavity, and a second air pipe assembly connected with the fan and used for blowing materials in the upper-end mixing cavity to the interior of the mixing tank; the first air pipe assembly and the second air pipe assembly can effectively transfer ground powder.
Further, the solid-liquid separation unit includes the separation casing, sets up the inside hot chamber of carrying of separation casing, with the hot chamber intercommunication of carrying and the intercommunication department is provided with the separation chamber of solenoid valve, sets up the hot stirring subassembly of carrying the intracavity portion, be used for right the hot chamber carries the temperature control device that the chamber controlled the temperature, and sets up the inside separation element of separation chamber.
Furthermore, the separation assembly comprises a first separation assembly and a second separation assembly from top to bottom; the first separation assembly comprises a bulk material disc and a plurality of groups of separation screens, wherein the bulk material disc is arranged at the communication position of the separation shell and the heat extraction cavity, and the separation screens are arranged at intervals from top to bottom and are provided with blanking through holes; the second separation assembly comprises a centrifugal drum cavity arranged in the separation cavity and a baffle cavity plate arranged at the lowest end of the separation screen; the baffle cavity plate is movably connected with the outer side wall of the centrifugal drum cavity through a sliding groove and a sliding rail.
Furthermore, the dripping components comprise 2 to 5 groups; the multiple groups of dripping components are used for processing simultaneously, so that the processing efficiency can be effectively improved.
Furthermore, each group of dripping components comprises a dripping shell, a plurality of groups of dripping modules arranged in the dripping shell, a liquid mixing module used for supplying liquid to the dripping modules, a material adding component used for adding ammonia water into the dripping modules, and a pipe component connected with the dripping modules and the aging cavity;
the dropwise adding module comprises a dropwise adding cavity which can be connected with the third liquid temporary storage cavity and a liquid leaking disc group which is arranged in the dropwise adding cavity and connected with the liquid mixing module; a pH sensor is arranged in the dripping cavity;
the liquid mixing module is respectively connected with the first liquid temporary storage cavity and the second liquid temporary storage cavity; the dropping module can effectively solve the problem of serious particle agglomeration in the oxalate coprecipitation method.
Further, the method for recycling the barium resource by the device comprises the following steps:
s1, grinding barium slag and calcium chloride to powder of 80-120 microns in a first processing unit by using a ball milling assembly, fully mixing in a mixing assembly, and granulating to obtain material particles;
s2, preheating and roasting the material particles by using a second treatment unit;
s3, adding hot water into the roasted material particles by using a solid-liquid separation unit, continuously stirring, carrying out solid-liquid separation treatment, and collecting liquid;
and S4, respectively dripping the collected liquid and the titanium chloride solution into an oxalic acid solution by using a dripping component, ageing the solution in a reaction ageing cavity, filtering the solution, and feeding the solid material into a second treatment unit through a feeding component to dry and calcine the solid material.
Compared with the prior art, the invention has the beneficial effects that: the invention has reasonable integral structure design, realizes the recovery of barium slag into barium titanate material required by the electronic ceramic industry by utilizing the multi-stage processing unit, and has the advantages of high recovery rate and better economic benefit; according to the invention, the barium residues are converted into barium chloride and then further prepared into barium titanate by utilizing the first processing unit, the second processing unit and the third processing unit, so that the overall structure is simple; the third treatment unit can effectively solve the problem of serious particle agglomeration in the oxalate coprecipitation method; the method for recycling the barium resource by using the device has the advantages of simple process and easy operation, and is suitable for large-scale popularization.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic internal structure diagram of a first processing unit according to embodiment 1 of the present invention;
FIG. 3 is a schematic structural view of a split disk according to embodiment 1 of the present invention;
FIG. 4 is a schematic structural view of a sieving module according to example 1 of the present invention;
FIG. 5 is a schematic view of the structure of a solid-liquid separation unit in example 1 of the present invention;
FIG. 6 is a schematic diagram of the structure of a reaction aging unit of example 1 of the present invention;
FIG. 7 is a cross-sectional view of a dropping module in example 1 of the present invention;
FIG. 8 is a schematic view of a partial structure of a dropping module in example 1 of the present invention;
fig. 9 is a schematic internal structure diagram of a first processing unit according to embodiment 2 of the present invention;
wherein the content of the first and second substances, 1-a first processing unit, 11-an equipment shell, 111-a lower end crushing cavity, 112-an upper end mixing cavity, 12-a dividing disc, 121-a dividing disc body, 122-a communicating disc, 13-a ball milling component, 131-a grinding disc, 132-a grinding roller component, 14-a feeding component, 141-a feeding pipe, 142-a material temporary storage groove, 15-a screening component, 151-a screening cavity, 1511-a top end screening disc, 1512-a bottom screening disc, 1513-a screening base, 152-a classifier, 1521-a first powder selector, 1522-a second powder selector, 16-an air guide component, 161-a first air pipe component, 162-a second air pipe component, 17-a mixing component, 171-a granule screen groove, 172-a mixing groove, 173-a mixing stirring component 174-material rolling disc group, 1740-aggregate screen, 2-second treatment unit, 21-preheating unit, 22-heat treatment unit, 3-solid-liquid separation unit, 31-separation shell, 32-heat extraction cavity, 33-separation cavity, 34-stirring component, 35-separation component, 351-first separation component, 3511-dispersing disc, 3512-separation screen, 352-second separation component, 3521-centrifugal drum cavity, 3522-partition cavity plate, 4-reaction aging unit, 41-installation shell 42-liquid temporary storage cavity, 421-first liquid temporary storage cavity, 422-second liquid temporary storage cavity, 423-third liquid temporary storage cavity, 43-dropping component, 431-dropping shell, 432-dropping module, 4321-a dripping cavity, 4322-a liquid leaking plate set, 433-a liquid mixing module, 434-a material adding component, 435-a pipe component, 44-a reaction aging cavity, 441-a reaction cavity, 442-an aging cavity and 443-a filter material temporary storage cavity.
Detailed Description
Example 1
The device for preparing the production material of the ceramic factory by recycling the barium resource as shown in fig. 1 comprises a first processing unit 1 for crushing and granulating the barium slag, a second processing unit 2 with a feeding end connected with a discharging end of the first processing unit 1 and used for carrying out heat treatment on the material, and a third processing unit with a feeding end capable of being connected with a discharging end of the second processing unit 2 and used for reprocessing the heat-treated material; the discharge end of the third processing unit is connected with the feed end of the second processing unit 2;
as shown in fig. 2, the first processing unit 1 includes an apparatus housing 11, a dividing plate 12 disposed inside the apparatus housing 11 and dividing the apparatus housing 11 into a lower end crushing chamber 111 and an upper end mixing chamber 112, a ball milling assembly 13 disposed inside the lower end crushing chamber 111, a feeding assembly 14 penetrating the upper end mixing chamber 112 and having a bottom portion disposed inside the lower end crushing chamber 111, a screening assembly 15 disposed at a top of the lower end crushing chamber 111, an air guide assembly 16 disposed inside the lower end crushing chamber 111, and a mixing assembly 17 installed inside the upper end mixing chamber 112;
as shown in fig. 3, the divider disc 12 includes a divider disc body 121, and a communication disc 122 provided on the divider disc body 121 for communicating the lower end crushing chamber 111 and the upper end mixing chamber 112;
as shown in fig. 2, the ball mill assembly 13 includes a grinding disc 131 installed inside the lower end crushing chamber 111, and a grinding roller assembly 132 installed inside the lower end crushing chamber 111 and contacting an upper surface of the grinding disc 131;
as shown in fig. 2, the feeding assembly 14 includes a feeding pipe 141 penetrating the upper mixing chamber 112 and having a bottom located inside the lower crushing chamber 111, and a material temporary storage trough 142 having a feeding end connected to a lower end of the feeding pipe 141 and having a funnel shape; the discharge end of the material temporary storage groove 142 is positioned right above the grinding disc 131;
as shown in fig. 2, the screening assembly 15 includes a screening chamber 151 mounted at a lower end of the dividing disk body 121, and a sorter 152 disposed on the screening chamber 151; a material return port communicated with the material temporary storage groove 142 is formed in the bottom of the screening cavity 151, and a screening material outlet communicated with the communication disc 122 is formed in the top of the screening cavity 151;
as shown in fig. 2 and 4, the screening chamber 151 includes a top screening plate 1511 mounted at the lower end of the dividing plate body 121 and communicating with the communicating plate 122, and a bottom screening plate 1512 connected to the top screening plate 1511 via a mounting rod and communicating with the material temporary storage tank 142; the top screening tray 1511 and the bottom screening tray 1512 form a screening channel; the screening discharge port is arranged on the top screening disc 1511; a screening base 1513 is arranged at the communication part of the bottom screening disk 1512 and the material temporary storage groove 142; the classifier 152 comprises a first powder concentrator 1521 arranged at the inlet end of the screening channel, and a second powder concentrator 1522 arranged on the screening base 1513 and positioned at the outlet end of the screening channel;
as shown in fig. 2, the mixing unit 17 includes a mixing tank 172 having a screen groove 171 for screening the aggregates on the side wall thereof, a mixing stirring member 173 disposed on the upper mixing chamber 112 and located in the inner cavity of the mixing tank 172, and a material kneading disc group 174 disposed at the end of the mixing stirring member 173 and contacting the inner wall of the mixing tank 172;
as shown in fig. 2, the pellet screen chute 171 includes a pellet chute communicating with the mixing chute 172, and a pellet screen 1740 installed at the place where the pellet chute communicates with the mixing chute 172;
as shown in fig. 1, the second processing unit 2 includes a preheating unit 21 for preheating the material, and a heat treatment unit 22 connected to the preheating unit 21 for heat-treating the material;
as shown in fig. 1, the third treatment unit comprises a solid-liquid separation unit 3 with a feeding end connected with the discharge end of the heat treatment unit 22, and a reaction aging unit 4 with a feeding end connected with the discharge end of the solid-liquid separation unit 3;
as shown in fig. 5, the solid-liquid separation unit 3 includes a separation casing 31, a heat extraction chamber 32 disposed inside the separation casing 31, a separation chamber 33 communicated with the heat extraction chamber 32 and provided with an electromagnetic valve at a communication position, a stirring assembly 34 disposed inside the heat extraction chamber 32, a temperature control device for controlling the temperature of the heat extraction chamber 32, and a separation assembly 35 disposed inside the separation chamber 33; the separating assembly 35 comprises a first separating assembly 351 and a second separating assembly 352 from top to bottom; the first separation assembly 351 comprises a bulk material tray 3511 arranged at the communication position of the separation shell 31 and the heat extraction cavity 32, and two groups of separation screens 3512 which are arranged at intervals from top to bottom and are provided with blanking through holes; the second separation assembly 352 includes a centrifuge drum chamber 3521 disposed inside the separation chamber 33, a dam chamber plate 3522 disposed at the lowermost end of the separation screen 3512; the baffle cavity plate 3522 is movably connected with the outer side wall of the centrifugal drum cavity 3521 through a sliding chute and a sliding rail;
as shown in fig. 6 to 8, the reaction aging unit 4 includes a mounting case 41, a liquid temporary storage chamber 42 provided on an outer side wall of the mounting case 41, a dropping module 43 provided inside the mounting case 41 and connected to the liquid temporary storage chamber 42, and a reaction aging chamber 44 provided inside the mounting case 41 and connected to the dropping module 43;
the liquid temporary storage cavity 42 comprises a first liquid temporary storage cavity 421 connected with the solid-liquid separation unit 3 and used for temporarily storing the barium chloride solution, a second liquid temporary storage cavity 422 used for temporarily storing the titanium chloride solution, and a third liquid temporary storage cavity 423 used for temporarily storing the oxalic acid solution;
the dripping module 432 comprises a dripping cavity 4321 which can be connected with the third liquid temporary storage cavity 423 and a liquid leaking disc group 4322 which is arranged inside the dripping cavity 4321 and connected with the liquid mixing module 433; a pH sensor is arranged in the dripping cavity 4321;
the liquid mixing module 433 is respectively connected with the first liquid temporary storage cavity 421 and the second liquid temporary storage cavity 422;
the reaction aging chamber 44 includes a reaction chamber 441 connected to the dropping module 43 and having a stirring device inside, an aging chamber 442 connected to the reaction chamber 441 and having a filtering module inside, and a filter material temporary storage chamber 443 connected to the aging chamber 442 and having a feeding module inside;
the dropping module 43 has 2 groups; each group of dripping assemblies 43 comprises a dripping shell 431, twelve groups of dripping modules 432 arranged inside the dripping shell 431, a liquid mixing module 433 used for supplying liquid to the dripping modules 432, a material adding assembly 434 used for adding ammonia water into the dripping modules 432, and a conduit assembly 435 connecting the dripping modules 432 and the aging cavity 442;
the filter material temporary storage cavity 443 is connected with the preheating unit 21 through the feeding assembly.
It should be noted that: the embodiment further comprises a PLC control system and power supply equipment, which are not described again; the separator 152, the preheating unit 21, the heat treatment unit 22, the temperature control device, the pH sensor, and other devices are all known in the art, and are not limited herein.
The method for recycling barium resources by using the device of the embodiment comprises the following steps:
s1, detecting the barium slag to be processed to obtain the main components and the content of the barium slag, and then mixing the barium slag with barium carbonate according to the mass ratio of the barium carbonate in the barium slag of 1.5:1, putting the calcium chloride and the barium slag into a ball milling component 13 through a feeding component 14, and grinding the calcium chloride and the barium slag into powder of 80-120 mu m; then, blowing material powder into the mixing component 17 by using the air guide component 16, stirring by using the material mixing stirring piece 173, after fully mixing, opening the granule through groove, and granulating the material by using a granule mesh screen 1740 and a granule mesh screen 174 to obtain material granules; wherein, during the stirring, a certain amount of water is put into the mixing tank 172 to promote the granulation process;
s2, preheating and roasting the material particles by using the second treatment unit 2; wherein the roasting treatment is specifically roasting treatment at 1100 ℃ for 40min;
s3, putting the roasted material particles into a hot extraction cavity 32, adding hot water of 85 ℃ according to the extraction ratio of 2.5, controlling the temperature to be 80 ℃ by using a temperature control device, stirring and continuously extracting for 40min, then carrying out solid-liquid separation in a separation assembly and collecting liquid;
s4, temporarily storing the collected liquid into the first liquid temporary storage cavity 421; respectively dripping the collected liquid and a titanium chloride solution into an oxalic acid solution by using a dripping component 43, ageing in a reaction ageing cavity 44, filtering, feeding the solid material into a second treatment unit 2 through a feeding component, and drying and calcining the solid material to obtain barium titanate; wherein, in the dropping process, dilute ammonia water is added by the feeding component 434 in the whole process to ensure that the pH value of the reaction system is maintained at 2.2-3.
Example 2
The difference from example 1 is: as shown in fig. 9, the air guide assembly 16 includes a blower installed at the bottom of the lower crushing chamber 111, a first air duct assembly 161 connected to the blower for blowing the fine materials from the ball mill assembly 13 to the sieving assembly 15 and the upper mixing chamber 112, and a second air duct assembly 162 connected to the blower for blowing the materials in the upper mixing chamber 112 to the mixing tank 172.
Example 3
The difference from example 1 is: there were 5 sets of the dropping module 43.
Examples of the experiments
The method comprises the following steps of (1) processing barium slag stacked in a barium salt factory by using the device in the embodiment 1, wherein the chemical composition of the barium slag is shown in the table 1;
table 1: the main chemical composition of barium slag stacked in a certain barium salt factory
Respectively detecting the content of acid-soluble barium in the solid and the liquid treated in the step S3 to convert the conversion rate of the acid-soluble barium; calculating to obtain the conversion rate of acid-soluble barium as 100%;
detecting the content of acid-soluble barium in the liquid filtered in the step S4 to convert the conversion rate of the acid-soluble barium; the conversion rate of acid-soluble barium is calculated to be 87.09%;
and (5) detecting the barium titanate obtained in the step (S4) to obtain the barium titanate with the purity of 91.64%.
Claims (9)
1. A device for preparing production materials of a ceramic factory by recycling barium resources comprises a first processing unit (1) for crushing and granulating barium slag, a second processing unit (2) with a feeding end connected with a discharging end of the first processing unit (1) and used for carrying out heat treatment on materials, and a third processing unit with a feeding end capable of being connected with a discharging end of the second processing unit (2) and used for reprocessing the heat-treated materials; the discharge end of the third processing unit is connected with the feed end of the second processing unit (2);
the first processing unit (1) is characterized by comprising an equipment shell (11), a dividing disc (12) which is arranged in the equipment shell (11) and divides the equipment shell (11) into a lower-end crushing cavity (111) and an upper-end mixing cavity (112), a ball milling assembly (13) which is arranged in the lower-end crushing cavity (111), a feeding assembly (14) which penetrates through the upper-end mixing cavity (112) and is positioned in the lower-end crushing cavity (111) at the bottom, a screening assembly (15) which is arranged at the top of the lower-end crushing cavity (111), an air guide assembly (16) which is arranged in the lower-end crushing cavity (111), and a mixing assembly (17) which is arranged in the upper-end mixing cavity (112);
the dividing disc (12) comprises a dividing disc body (121) and a communicating disc (122) which is arranged on the dividing disc body (121) and is used for communicating the lower-end crushing cavity (111) and the upper-end mixing cavity (112);
the ball milling assembly (13) comprises a grinding disc (131) arranged inside the lower end crushing cavity (111) and a grinding roller assembly (132) arranged inside the lower end crushing cavity (111) and contacted with the upper surface of the grinding disc (131);
the feeding assembly (14) comprises a feeding pipe (141) which penetrates through the upper end mixing cavity (112) and is positioned at the bottom inside the lower end crushing cavity (111), and a material temporary storage groove (142) which is connected with the lower end of the feeding pipe (141) at a feeding end and is funnel-shaped in structure; the discharge end of the material temporary storage groove (142) is positioned right above the grinding disc (131);
the screening assembly (15) comprises a screening cavity (151) arranged at the lower end of the dividing disc body (121), and a classifier (152) arranged on the screening cavity (151); a material return port communicated with the material temporary storage groove (142) is formed in the bottom of the screening cavity (151), and a screening material outlet communicated with the communication disc (122) is formed in the top of the screening cavity (151);
the mixing assembly (17) comprises a mixing groove (172) with a granule screen groove (171) arranged on the side wall, a mixing stirring piece (173) arranged on the upper end mixing cavity (112) and positioned in the inner cavity of the mixing groove (172), and a material twisting disc group (174) arranged at the end part of the mixing stirring piece (173) and contacted with the inner wall of the mixing groove (172);
the granule screen groove (171) comprises a granule through groove communicated with the mixing groove (172), and a granule screen (1740) arranged at the communication position of the granule through groove and the mixing groove (172);
the second processing unit (2) comprises a preheating unit (21) for preheating the materials, and a heat treatment unit (22) connected with the preheating unit (21) for heat treatment of the materials;
the third treatment unit comprises a solid-liquid separation unit (3) with a feed end connected with a discharge end of the heat treatment unit (22) and a reaction aging unit (4) with a feed end connected with a discharge end of the solid-liquid separation unit (3);
the reaction aging unit (4) comprises a mounting shell (41), a liquid temporary storage cavity (42) arranged on the outer side wall of the mounting shell (41), a dropwise adding component (43) arranged inside the mounting shell (41) and connected with the liquid temporary storage cavity (42), and a reaction aging cavity (44) arranged inside the mounting shell (41) and connected with the dropwise adding component (43);
the liquid temporary storage cavity (42) comprises a first liquid temporary storage cavity (421) connected with the solid-liquid separation unit (3) and used for temporarily storing barium chloride solution, a second liquid temporary storage cavity (422) used for temporarily storing titanium chloride solution and a third liquid temporary storage cavity (423) used for temporarily storing oxalic acid solution; the dripping components (43) are 2-5 groups;
the reaction aging cavity (44) comprises a reaction cavity (441) which is connected with the dripping component (43) and is internally provided with a stirring device, an aging cavity (442) which is connected with the reaction cavity (441) and is internally provided with a filtering component, and a filtering material temporary storage cavity (443) which is connected with the aging cavity (442) and is internally provided with a feeding component;
the filter material temporary storage cavity (443) is connected with the preheating unit (21) through the feeding assembly.
2. The apparatus for preparing the production material of the ceramic factory by recycling the barium resource as claimed in claim 1, wherein the screening chamber (151) comprises a top end screening tray (1511) installed at the lower end of the dividing tray body (121) and communicated with the communicating tray (122), and a bottom end screening tray (1512) connected with the top end screening tray (1511) through a mounting rod and communicated with the material temporary storage tank (142); the top screening tray (1511) and the bottom screening tray (1512) form a screening channel; the screening discharge gate sets up on top screening dish (1511).
3. The device for preparing the production material of the ceramic factory by recycling the barium resource as claimed in claim 2, wherein a screening base (1513) is arranged at the communication position of the bottom screening tray (1512) and the material temporary storage tank (142).
4. The apparatus for recycling barium resources to prepare production materials of ceramic factories according to claim 3, wherein the separator (152) comprises a first powder concentrator (1521) disposed at the inlet end of the screening passage and a second powder concentrator (1522) disposed on the screening base (1513) and at the outlet end of the screening passage.
5. The apparatus for recycling barium resources to prepare production materials of ceramic factories according to claim 1, wherein the air guide assembly (16) comprises a blower installed at the bottom of the lower crushing chamber (111), a first air duct assembly (161) connected with the blower for blowing fine materials from the ball milling assembly (13) to the screening assembly (15) and the upper mixing chamber (112), and a second air duct assembly (162) connected with the blower for blowing materials in the upper mixing chamber (112) to the interior of the mixing trough (172).
6. The device for recycling barium resources to prepare production materials of ceramic factories according to claim 1, wherein the solid-liquid separation unit (3) comprises a separation shell (31), a heat extraction cavity (32) arranged inside the separation shell (31), a separation cavity (33) communicated with the heat extraction cavity (32) and provided with an electromagnetic valve, a stirring assembly (34) arranged inside the heat extraction cavity (32), a temperature control device for controlling the temperature of the heat extraction cavity (32), and a separation assembly (35) arranged inside the separation cavity (33).
7. The apparatus for preparing ceramic factory production material by recycling barium resource according to claim 6, wherein said separation assembly (35) comprises a first separation assembly (351) and a second separation assembly (352) from top to bottom; the first separation assembly (351) comprises a bulk material disc (3511) arranged at the communication position of the separation shell (31) and the heat extraction cavity (32), and a plurality of groups of separation screens (3512) which are arranged at intervals from top to bottom and are provided with blanking through holes; the second separation assembly (352) comprises a centrifugal drum cavity (3521) arranged inside the separation cavity (33), and a baffle cavity plate (3522) arranged at the lowest end of the separation screen (3512); the baffle cavity plate (3522) is movably connected with the outer side wall of the centrifugal drum rotating cavity (3521) through a sliding groove and a sliding rail.
8. The apparatus for recycling barium resources to prepare production materials of ceramic factories according to claim 1, wherein each group of said dripping modules (43) comprises a dripping housing (431), a plurality of groups of dripping modules (432) installed inside said dripping housing (431), a liquid mixing module (433) for supplying liquid to said dripping modules (432), a material adding assembly (434) for adding ammonia water to the inside of said dripping modules (432), and a conduit assembly (435) connecting said dripping modules (432) and an aging chamber (442);
the dropwise adding module (432) comprises a dropwise adding cavity (4321) which can be connected with the third liquid temporary storage cavity (423), and a liquid leaking plate group (4322) which is arranged in the dropwise adding cavity (4321) and connected with the liquid mixing module (433); a pH sensor is arranged in the dripping cavity (4321);
the liquid mixing module (433) is respectively connected with the first liquid temporary storage cavity (421) and the second liquid temporary storage cavity (422).
9. The method for recycling barium resources according to any one of claims 1 to 8, comprising the steps of:
s1, grinding barium slag and calcium chloride to powder of 80-120 microns in a first processing unit (1) by using a ball-milling assembly (13), fully mixing in a mixing assembly (17), and granulating to obtain material particles;
s2, preheating and roasting the material particles by using a second treatment unit (2);
s3, adding hot water into the roasted material particles by using the solid-liquid separation unit (3), continuously stirring, carrying out solid-liquid separation treatment, and collecting liquid;
and S4, respectively dripping the collected liquid and the titanium chloride solution into an oxalic acid solution by using a dripping component (43), ageing in a reaction ageing cavity (44), filtering, and feeding the solid material into a second treatment unit (2) through a feeding component to dry and calcine the solid material.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210673167.9A CN114907115B (en) | 2022-06-14 | 2022-06-14 | Device and method for preparing production materials of ceramic factory by recycling barium resources |
| JP2022103088A JP7157897B1 (en) | 2022-06-14 | 2022-06-27 | Material production apparatus and method for manufacturing ceramics by recycling barium resources |
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| CN202210673167.9A CN114907115B (en) | 2022-06-14 | 2022-06-14 | Device and method for preparing production materials of ceramic factory by recycling barium resources |
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| CN114907115A CN114907115A (en) | 2022-08-16 |
| CN114907115B true CN114907115B (en) | 2023-03-21 |
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| CN115625192B (en) * | 2022-12-20 | 2023-03-10 | 生态环境部华南环境科学研究所(生态环境部生态环境应急研究所) | Device and method for quickly removing dangerous characteristics of aluminum ash |
| CN116878993B (en) * | 2023-09-07 | 2023-11-17 | 山西省三水实验测试中心有限公司 | Solid-liquid separator for soil detection |
| CN117299063B (en) * | 2023-11-30 | 2024-01-30 | 西安凯尔文石化助剂制造有限公司 | Raw material polymerization reaction device for producing fracturing fluid thickening agent |
| CN117735646B (en) * | 2024-02-19 | 2024-04-19 | 深圳市纯水一号水处理科技有限公司 | Advanced treatment device for high-concentration salt-containing wastewater |
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| JPH0764105B2 (en) * | 1985-06-27 | 1995-07-12 | キヤノン株式会社 | Document processing method |
| CN1178860C (en) * | 2001-10-23 | 2004-12-08 | 李守德 | Process for preparing barium chloride by chlorating and calcining carbonate-type barium ore |
| JP2006169071A (en) * | 2004-12-17 | 2006-06-29 | Mie Prefecture | Resources recovery method |
| JP5323537B2 (en) * | 2009-03-05 | 2013-10-23 | 日本化学工業株式会社 | Method for producing barium titanyl oxalate and method for producing barium titanate |
| KR101751081B1 (en) * | 2012-11-30 | 2017-07-12 | 삼성전기주식회사 | Manufacturing Method of Barium Titanate and Barium Titanate fabricated thereby |
| KR20150060189A (en) * | 2013-11-26 | 2015-06-03 | 삼성전기주식회사 | Method of preparing barium titanyl oxalate, method of preparing barium titanate comprising the same, and barium titanate prepared thereby |
| KR20150060190A (en) * | 2013-11-26 | 2015-06-03 | 삼성전기주식회사 | Method of preparing barium titanate and barium titanate prepared thereby |
| WO2015080303A1 (en) * | 2013-11-26 | 2015-06-04 | 삼성전기 주식회사 | Method for preparing barium titanyl oxalate and method for preparing barium titanate |
| CN113800549A (en) * | 2020-06-17 | 2021-12-17 | 南风化工集团股份有限公司 | Method for extracting barium chloride from precipitated barium sulfate waste residue |
| JP7110306B2 (en) * | 2020-11-19 | 2022-08-01 | 日本化学工業株式会社 | Method for producing barium titanyl oxalate and method for producing barium titanate |
| JP7110305B2 (en) * | 2020-11-19 | 2022-08-01 | 日本化学工業株式会社 | Method for producing barium titanyl oxalate and method for producing barium titanate |
| CN114309006B (en) | 2021-12-13 | 2022-11-25 | 生态环境部华南环境科学研究所 | Process and treatment equipment for harmless recycling of barium slag |
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| JP7157897B1 (en) | 2022-10-21 |
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