CN113877500A - Stirring formula nanometer calcium carbonate preparation equipment - Google Patents

Stirring formula nanometer calcium carbonate preparation equipment Download PDF

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Publication number
CN113877500A
CN113877500A CN202111173850.8A CN202111173850A CN113877500A CN 113877500 A CN113877500 A CN 113877500A CN 202111173850 A CN202111173850 A CN 202111173850A CN 113877500 A CN113877500 A CN 113877500A
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stirring
pipe
shell
calcium carbonate
centrifugal
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CN113877500B (en
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赵小英
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Jiangxi Huaming Nano Calcium Carbonate Co ltd
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Jiangxi Huaming Nano Calcium Carbonate Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18—Stationary reactors having moving elements inside
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0053—Details of the reactor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0053—Details of the reactor
    • B01J19/0066—Stirrers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18—Stationary reactors having moving elements inside
    • B01J19/1868—Stationary reactors having moving elements inside resulting in a loop-type movement
    • B01J19/1881—Stationary reactors having moving elements inside resulting in a loop-type movement externally, i.e. the mixture leaving the vessel and subsequently re-entering it
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
    • B01J3/006—Processes utilising sub-atmospheric pressure; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
    • B01J3/02—Feed or outlet devices therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J4/00—Feed or outlet devices; Feed or outlet control devices
    • B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y40/00—Manufacture or treatment of nanostructures
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/18—Carbonates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
    • 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
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/141—Feedstock

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  • Inorganic Chemistry (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)

Abstract

The invention relates to the technical field of nano calcium carbonate preparation, in particular to stirring type nano calcium carbonate preparation equipment. The device comprises a shell, a mixing cylinder, a piston plate, a cylinder, a gas storage multifunctional component, a stirring centrifugal component and a controller; the mixing cylinder is arranged at the upper end in the shell, and the lower end of the mixing cylinder is provided with an inlet valve and an outlet valve; the gas storage multifunctional component is arranged on the shell, and carbon dioxide/hot air is introduced into the mixing cylinder; the stirring centrifugal component is arranged below the mixing cylinder. The stirring centrifugal assembly is arranged, so that the raw materials are uniformly and quickly mixed, the digestion and carbonization processes are accelerated, and the preparation efficiency of the nano calcium carbonate is improved. The multifunctional gas storage component is arranged, so that carbonization and drying are accelerated, and the functionality and the practicability of the device are enhanced. The invention has simple working method, various functions, compact equipment structure and small occupied area, and is convenient for realizing the high-efficiency preparation of the nano calcium carbonate.

Description

Stirring formula nanometer calcium carbonate preparation equipment
Technical Field
The invention relates to the technical field of nano calcium carbonate preparation, in particular to stirring type nano calcium carbonate preparation equipment.
Background
Chinese patent document with an authorization publication number of CN 213160756U discloses a nano calcium carbonate preparation reaction device, which comprises a reaction kettle, the reaction kettle in be provided with a stirring component, the reaction kettle on be provided with the barometer, the reaction kettle on be provided with the pan feeding mouth, the reaction kettle outside be provided with heating element, the reaction kettle left side be provided with the inlet tube, the reaction kettle right side be provided with the circulation pipe, the circulation pipe connection have control assembly.
The existing nano calcium carbonate preparation reaction device has a single stirring mode, and the raw material mixing speed is low and incomplete, so that the digestion and carbonization effects are poor, and the quality of nano calcium carbonate is influenced.
Disclosure of Invention
Aiming at the problems in the background technology, a stirring type nano calcium carbonate preparation device is provided. The stirring centrifugal assembly is arranged, so that the raw materials are uniformly and quickly mixed, the digestion and carbonization processes are accelerated, and the preparation efficiency of the nano calcium carbonate is improved. The multifunctional gas storage component is arranged, so that carbonization and drying are accelerated, and the functionality and the practicability of the device are enhanced. The invention has simple working method, various functions, compact equipment structure and small occupied area, and is convenient for realizing the high-efficiency preparation of the nano calcium carbonate.
The invention provides stirring type nano calcium carbonate preparation equipment which comprises a shell, a mixing cylinder, a piston plate, a cylinder, a gas storage multifunctional assembly, a stirring centrifugal assembly and a controller, wherein the piston plate is arranged on the shell; the mixing cylinder is arranged at the upper end in the shell, and the lower end of the mixing cylinder is provided with an inlet valve and an outlet valve; the gas storage multifunctional component is arranged on the shell, and carbon dioxide/hot air is introduced into the mixing cylinder; the stirring centrifugal component is arranged below the mixing cylinder. The stirring centrifugal assembly comprises a mounting frame, a centrifugal seat, a rotating disc, a stirring piece, a supporting rod, a stirring frame and a driving piece; the mounting rack is arranged on the inner wall of the shell; the driving piece is arranged at the bottom of the shell and is provided with two groups of independent driving structures; the centrifugal seat is rotationally arranged on the mounting frame through a group of driving structures, and a liquid outlet and a discharge valve are arranged on the centrifugal seat; the rotating disc driven by the other group of driving structures is rotatably arranged on the centrifugal seat and is coaxial with the centrifugal seat, and the rotating disc is provided with a discharging through hole; the stirring piece is arranged on the rotating disc corresponding to the liquid outlet; the support rod is arranged at the center of the rotating disc; the stirring frame is arranged on the supporting rod, and the stirring end extends to the periphery of the mixing cylinder.
Preferably, the stirring member comprises a sliding plate and a stirring plate; the sliding plate is arranged on the centrifugal seat in a sliding manner and is connected with the rotating disc; the stirring plate is arranged on the sliding plate and is deflected by 45 degrees towards one side of the sliding plate.
Preferably, the liquid outlet is arranged along the moving track of the stirring member and is opened/sealed along with the movement of the sliding plate.
Preferably, the driving part comprises a first motor, a first rotating seat, a second motor and a second rotating seat; the second rotating seat is arranged at the bottom of the shell; the second motor is arranged on the second rotating seat; a rotating seat I driven by a motor II is rotatably arranged on the rotating seat II and is connected with the centrifugal seat; the first motor is arranged on the first rotating seat, and the main shaft penetrates through the centrifugal seat and is connected with the rotating disc.
Preferably, the bottom of the shell is provided with a material guide cover; the material guide cover is rotatably arranged at the bottom of the centrifugal seat and surrounds the driving piece; the liquid outlet and the discharge valve are both arranged outside the material guide cover.
Preferably, the discharge through holes are communicated/staggered with the discharge valve along with the rotation of the rotating disc.
Preferably, the gas storage multifunctional component comprises a gas outlet pipe, a three-way pipe, a circulating pump, a gas storage tank, a gas inlet pipe, a communicating pipe and a hot air blower; the air outlet pipe is arranged on the shell, one end of the air outlet pipe extends into the mixing cylinder, and the other end of the air outlet pipe is communicated with the air outlet end of the three-way pipe; the air inlet end of the three-way pipe is respectively communicated with the circulating pump and the air heater; the air outlet end of the air storage tank is communicated with the air inlet end of the circulating pump through a communicating pipe; one end of the air inlet pipe is communicated with the air inlet end of the circulating pump, and the other end of the air inlet pipe extends into the shell.
Preferably, the outlet pipe extends to the periphery of the inlet and outlet valve.
Preferably, the shell is internally provided with a temperature sensor, a humidity sensor and a pressure sensor, the shell is provided with a pressure release valve, an exhaust valve, a feeding pipe, a drainage pipe and a discharging pipe, and the shell is communicated with external vacuum equipment.
The stirring type nano calcium carbonate preparation equipment provided by the invention has the working method as follows:
s1, adding calcium oxide powder and water into the shell, covering the liquid outlet with a stirring piece, and vacuumizing the shell;
s2, driving pieces in the stirring centrifugal assembly drive the rotating seat I to rotate, the centrifugal seat and the rotating disc synchronously rotate, the stirring pieces mix and turn over the raw materials at the bottom, and the stirring frame stirs the raw materials at the upper part; the piston plate moves up and down, and the raw material mixture enters and exits the mixing cylinder for further mixing until digestion is completed;
s3, introducing carbon dioxide into the mixing cylinder through an air outlet pipe in the air storage multifunctional component, further mixing the raw materials and the air, and circulating the gas-liquid mixture through the matching of a circulating pump, a communicating pipe, a three-way pipe and an air storage tank until carbonization is completed;
s4, standing for 1-2 hours, and discharging supernatant through a drain pipe;
s5, the stirring centrifugal assembly works, the rotating disc drives the stirring piece to rotate, and the liquid outlet is opened; the centrifugal seat and the rotating disc synchronously rotate to centrifuge and dehydrate the sediment, and water is discharged from the discharge pipe;
s6, closing a liquid outlet, ventilating the air heater to the mixing drum through a three-way pipe, moving the piston plate up and down to increase the strength of the air flow, and blowing and drying the precipitate below; meanwhile, the rotating disc drives the stirring piece to rotate, and the agglomerated nano calcium carbonate is dispersed to prepare powder;
s7, finally, rotating the rotating disc, wherein the discharging through hole is communicated with the discharging valve, and the nano calcium carbonate powder falls down along the material guiding cover and is finally discharged from the discharging pipe.
Compared with the prior art, the invention has the following beneficial technical effects:
according to the invention, the stirring centrifugal assembly is arranged, the stirring and centrifugal functions are switched by the relative rotation of the centrifugal seat and the rotating disc, and the raw materials are uniformly and quickly mixed by the synchronous rotation of the centrifugal seat and the rotating disc and by the cooperation of the raw material mixture entering and exiting the mixing cylinder, so that the digestion and carbonization processes are accelerated, and the preparation efficiency of the nano calcium carbonate is improved. The multifunctional gas storage component is arranged, so that carbonization and drying are accelerated, and the functionality and the practicability of the device are enhanced. The invention has simple working method, various functions, compact equipment structure and small occupied area, and is convenient for realizing the high-efficiency preparation of the nano calcium carbonate.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a housing in one embodiment of the invention;
FIG. 3 is a cross-sectional view of a housing and mixing drum in one embodiment of the invention;
FIG. 4 is a schematic diagram of the configuration of the agitation centrifuge assembly of FIG. 2;
FIG. 5 is a schematic diagram of the configuration of the agitation centrifuge assembly of FIG. 3;
FIG. 6 is a schematic view of the gas storage multifunctional assembly shown in FIG. 1.
Reference numerals: 1. a housing; 2. a mixing drum; 3. a piston plate; 4. a cylinder; 5. a gas storage multifunctional assembly; 6. a stirring centrifugal assembly; 7. a feed pipe; 8. a discharge pipe; 9. an inlet valve and an outlet valve; 10. a mounting frame; 11. a centrifugal seat; 12. a liquid outlet; 13. rotating the disc; 14. a stirring member; 15. a discharge through hole; 16. a support bar; 17. a stirring frame; 18. a sliding plate; 19. a stirring plate; 20. a second rotating seat; 21. rotating the first base; 22. an air outlet pipe; 23. a three-way pipe; 24. a circulation pump; 25. a gas storage tank; 26. an air inlet pipe; 27. a communicating pipe; 28. a hot air blower; 29. a material guiding cover.
Detailed Description
Example one
As shown in fig. 1-5, the stirring type nano calcium carbonate preparation equipment provided by the invention comprises a shell 1, a mixing cylinder 2, a piston plate 3, a cylinder 4, a gas storage multifunctional component 5, a stirring centrifugal component 6 and a controller; the mixing cylinder 2 is arranged at the upper end in the shell 1, and the lower end of the mixing cylinder is provided with an inlet and outlet valve 9; the gas storage multifunctional component 5 is arranged on the shell 1, and carbon dioxide/hot air is introduced into the mixing cylinder 2; the stirring centrifuge assembly 6 is disposed below the mixing drum 2. The inside temperature-sensing ware, humidity inductor and the pressure sensor that still is provided with of casing 1 is provided with relief valve, discharge valve, inlet pipe 7, drain pipe and discharging pipe 8 on the casing 1, casing 1 and outside vacuum apparatus intercommunication.
The stirring centrifugal assembly 6 comprises a mounting frame 10, a centrifugal seat 11, a rotating disc 13, a stirring piece 14, a supporting rod 16, a stirring frame 17 and a driving piece; the mounting frame 10 is arranged on the inner wall of the shell 1; the driving piece is arranged at the bottom of the shell 1 and is provided with two groups of independent driving structures; a centrifugal seat 11 driven by a group of driving structures is rotatably arranged on the mounting frame 10, and a liquid outlet 12 and a discharge valve are arranged on the centrifugal seat 11; the rotating disc 13 driven by the other group of driving structures is rotatably arranged on the centrifugal seat 11 and is coaxial with the centrifugal seat 11, and the rotating disc 13 is provided with a discharging through hole 15; the discharge through holes 15 communicate/interleave with the discharge valve with the rotation of the rotary disk 13. The stirring member 14 comprises a sliding plate 18 and a stirring plate 19; the sliding plate 18 is arranged on the centrifugal seat 11 in a sliding manner and is connected with the rotating disc 13; the agitating plate 19 is provided on the slide plate 18, being deflected by 45 ° toward one side of the slide plate 18. The liquid outlet 12 is arranged along the moving track of the stirring member 14 and is opened/sealed along with the movement of the sliding plate 18. The support rod 16 is arranged at the center of the rotating disc 13; the stirring frame 17 is arranged on the support rod 16, and the stirring end extends to the periphery of the mixing drum 2.
The driving piece comprises a first motor, a first rotating seat 21, a second motor and a second rotating seat 20; the second rotating seat 20 is arranged at the bottom of the shell 1; the second motor is arranged on the second rotating seat 20; a rotating seat I21 driven by a motor II is rotatably arranged on a rotating seat II 20 and is connected with the centrifugal seat 11; the first motor is arranged on the first rotating seat 21, and the main shaft penetrates through the centrifugal seat 11 and is connected with the rotating disc 13. The bottom of the shell 1 is provided with a material guide cover 29; the material guide cover 29 is rotatably arranged at the bottom of the centrifugal seat 11 and surrounds the driving part; the liquid outlet 12 and the discharge valve are arranged outside the material guide cover 29.
Set up stirring centrifugation subassembly 6 in this embodiment, relative rotation through centrifugal seat 11 and rolling disc 13, adjust opening/closure of liquid outlet 12, realize stirring, centrifugal function's switching, synchronous revolution through centrifugal seat 11 and rolling disc 13, realize stirring 14 and stirring frame 17, mix the effect, the raw materials mixture business turn over mixing drum 2 of deuterogamying for raw materials misce bene, quick, accelerate digestion, carbonization process, improve nanometer calcium carbonate preparation efficiency.
Example two
As shown in fig. 2, 3 and 6, on the basis of the above embodiments, the gas storage multifunctional component 5 in this embodiment includes a gas outlet pipe 22, a three-way pipe 23, a circulating pump 24, a gas storage tank 25, a gas inlet pipe 26, a communicating pipe 27 and a hot air blower 28; the air outlet pipe 22 is arranged on the shell 1, one end of the air outlet pipe extends into the mixing cylinder 2, and the other end of the air outlet pipe is communicated with the air outlet end of the three-way pipe 23; the air inlet end of the three-way pipe 23 is respectively communicated with a circulating pump 24 and a hot air blower 28; the air outlet end of the air storage tank 25 is communicated with the air inlet end of the circulating pump 24 through a communicating pipe 27; one end of the air inlet pipe 26 is communicated with the air inlet end of the circulating pump 24, and the other end of the air inlet pipe extends into the shell 1 and extends to the periphery of the inlet and outlet valve 9.
The embodiment sets up gas storage multifunctional assembly 5, lets in carbon dioxide in to mixing drum 2 through outlet duct 22, through circulating pump 24, communicating pipe 27, three-way pipe 23, gas holder 25 cooperation, circulates the gas-liquid mixture, ventilates to mixing drum 2 through air heater 28, three-way pipe 23, and piston plate 3 moves up and down increases the intensity of air current, and the sediment to the below is blown, is dry. The device has the functions of accelerating carbonization and drying, enhances the functionality and the practicability of the device, and improves the preparation efficiency of the nano calcium carbonate.
EXAMPLE III
On the basis of the above embodiment, the stirring type nano calcium carbonate preparation equipment provided by the invention has the following working method:
s1, adding calcium oxide powder and water into the shell 1, covering the liquid outlet 12 with the stirring piece 14, and vacuumizing the shell 1;
s2, driving pieces in the stirring centrifugal assembly 6 drive the first rotating seat 21 to rotate, the centrifugal seat 11 and the rotating disc 13 synchronously rotate, the stirring pieces 14 mix and turn over raw materials at the bottom, and the stirring frame 17 stirs the raw materials at the upper part; the piston plate 3 moves up and down, and the raw material mixture enters and exits the mixing cylinder 2 to be further mixed until digestion is finished;
s3, introducing carbon dioxide into the mixing cylinder 2 through the gas outlet pipe 22 in the gas storage multifunctional component 5, further mixing the raw materials and the gas, and circulating the gas-liquid mixture through the matching of the circulating pump 24, the communicating pipe 27, the three-way pipe 23 and the gas storage tank 25 until the carbonization is finished;
s4, standing for 1-2 hours, and discharging supernatant through a drain pipe;
s5, the stirring centrifugal assembly 6 works, the rotating disc 13 drives the stirring piece 14 to rotate, and the liquid outlet 12 is opened; the centrifugal seat 11 and the rotating disc 13 synchronously rotate to centrifuge and dehydrate the sediment, and water is discharged from the discharge pipe 8;
s6, closing the liquid outlet 12, ventilating the air heater 28 to the mixing drum 2 through the three-way pipe 23, moving the piston plate 3 up and down to increase the strength of the air flow, and blowing and drying the precipitate below; meanwhile, the rotating disc 13 drives the stirring piece 14 to rotate, and agglomerated nano calcium carbonate is dispersed to prepare powder;
s7, finally, the rotating disc 13 is rotated, the discharging through hole 15 is communicated with the discharging valve, and the nano calcium carbonate powder falls down along the material guiding cover 29 and is finally discharged from the discharging pipe 8.
The stirring type nano calcium carbonate preparation equipment in the embodiment has the advantages of simple working method, multiple functions, compact equipment structure, small occupied area and convenience in realizing efficient preparation of nano calcium carbonate.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims (10)

1. A stirring type nano calcium carbonate preparation device is characterized by comprising a shell (1), a mixing cylinder (2), a piston plate (3), a cylinder (4), a gas storage multifunctional component (5), a stirring centrifugal component (6) and a controller; the mixing cylinder (2) is arranged at the upper end in the shell (1), and the lower end is provided with an inlet and outlet valve (9); the gas storage multifunctional component (5) is arranged on the shell (1) and introduces carbon dioxide/hot air into the mixing cylinder (2); the stirring centrifugal component (6) is arranged below the mixing cylinder (2);
the stirring centrifugal assembly (6) comprises a mounting frame (10), a centrifugal seat (11), a rotating disc (13), a stirring piece (14), a supporting rod (16), a stirring frame (17) and a driving piece; the mounting rack (10) is arranged on the inner wall of the shell (1); the driving piece is arranged at the bottom of the shell (1) and is provided with two groups of independent driving structures; a centrifugal seat (11) driven by a group of driving structures is rotatably arranged on the mounting frame (10), and a liquid outlet (12) and a discharge valve are arranged on the centrifugal seat (11); a rotating disc (13) driven by another group of driving structures is rotatably arranged on the centrifugal seat (11) and is coaxial with the centrifugal seat (11), and a discharging through hole (15) is arranged on the rotating disc (13); the stirring piece (14) is arranged on the rotating disc (13) corresponding to the position of the liquid outlet (12); the support rod (16) is arranged at the center of the rotating disc (13); the stirring frame (17) is arranged on the supporting rod (16), and the stirring end extends to the periphery of the mixing cylinder (2).
2. The stirring type nano calcium carbonate preparation equipment according to the claim 1 is characterized in that the stirring piece (14) comprises a sliding plate (18) and a stirring plate (19); the sliding plate (18) is arranged on the centrifugal seat (11) in a sliding manner and is connected with the rotating disc (13) simultaneously; the stirring plate (19) is arranged on the sliding plate (18) and is deflected by 45 degrees towards one side of the sliding plate (18).
3. The stirring type nano calcium carbonate preparation equipment according to claim 2, wherein the liquid outlet (12) is arranged along the moving track of the stirring member (14) and is opened/sealed along with the movement of the sliding plate (18).
4. The stirring type nano calcium carbonate preparation equipment as claimed in claim 1, wherein the driving member comprises a first motor, a first rotating seat (21), a second motor and a second rotating seat (20); the second rotating seat (20) is arranged at the bottom of the shell (1); the second motor is arranged on the second rotating seat (20); a rotating seat I (21) driven by a motor II is rotationally arranged on a rotating seat II (20) and is connected with the centrifugal seat (11) at the same time; the first motor is arranged on the first rotating seat (21), and the main shaft penetrates through the centrifugal seat (11) and is connected with the rotating disc (13).
5. The stirring type nano calcium carbonate preparation equipment according to claim 4, wherein the bottom of the shell (1) is provided with a material guide cover (29); the material guide cover (29) is rotatably arranged at the bottom of the centrifugal seat (11) and surrounds the driving piece; the liquid outlet (12) and the discharge valve are both arranged outside the material guide cover (29).
6. The stirring type nano calcium carbonate preparation equipment according to claim 1, wherein the discharge through holes (15) are communicated/staggered with a discharge valve along with the rotation of the rotating disc (13).
7. The stirring type nano calcium carbonate preparation equipment according to claim 1, wherein the gas storage multifunctional component (5) comprises a gas outlet pipe (22), a three-way pipe (23), a circulating pump (24), a gas storage tank (25), a gas inlet pipe (26), a communicating pipe (27) and a hot air blower (28); the air outlet pipe (22) is arranged on the shell (1), one end of the air outlet pipe extends into the mixing cylinder (2), and the other end of the air outlet pipe is communicated with the air outlet end of the three-way pipe (23); the air inlet end of the three-way pipe (23) is respectively communicated with a circulating pump (24) and a hot air blower (28); the air outlet end of the air storage tank (25) is communicated with the air inlet end of the circulating pump (24) through a communicating pipe (27); one end of the air inlet pipe (26) is communicated with the air inlet end of the circulating pump (24), and the other end of the air inlet pipe extends into the shell (1).
8. The stirring type nano calcium carbonate preparation equipment according to the claim 7 is characterized in that the air outlet pipe (22) extends to the periphery of the inlet and outlet valve (9).
9. The stirring type nano calcium carbonate preparation equipment according to claim 1, wherein a temperature sensor, a humidity sensor and a pressure sensor are arranged inside the shell (1), a pressure release valve, an exhaust valve, a feeding pipe (7), a water discharging pipe and a discharging pipe (8) are arranged on the shell (1), and the shell (1) is communicated with external vacuum equipment.
10. The stirring type nano calcium carbonate preparation equipment according to any one of claims 1 to 9, characterized in that the working method is as follows:
s1, adding calcium oxide powder and water into the shell (1), covering the liquid outlet (12) with a stirring piece (14), and vacuumizing the shell (1);
s2, a driving piece in the stirring centrifugal assembly (6) drives a first rotating seat (21) to rotate, the centrifugal seat (11) and a rotating disc (13) synchronously rotate, a stirring piece (14) mixes and turns over raw materials at the bottom, and a stirring frame (17) stirs the raw materials at the upper part; the piston plate (3) moves up and down, and the raw material mixture enters and exits the mixing cylinder (2) for further mixing until digestion is completed;
s3, introducing carbon dioxide into the mixing cylinder (2) through an air outlet pipe (22) in the air storage multifunctional component (5), further mixing the raw materials and the air, and circulating the gas-liquid mixture through the matching of a circulating pump (24), a communicating pipe (27), a three-way pipe (23) and an air storage tank (25) until carbonization is completed;
s4, standing for 1-2 hours, and discharging supernatant through a drain pipe;
s5, the stirring centrifugal assembly (6) works, the rotating disc (13) drives the stirring piece (14) to rotate, and the liquid outlet (12) is opened; the centrifugal seat (11) and the rotating disc (13) synchronously rotate to carry out centrifugation and dehydration on the sediment, and water is discharged from the discharge pipe (8);
s6, closing a liquid outlet (12), ventilating the mixing barrel (2) by a hot air blower (28) through a three-way pipe (23), moving a piston plate (3) up and down to increase the strength of air flow, and blowing and drying the precipitate below; meanwhile, the rotating disc (13) drives the stirring piece (14) to rotate, and agglomerated nano calcium carbonate is dispersed to prepare powder;
s7, finally rotating the rotating disc (13), communicating the discharging through hole (15) with the discharging valve, and discharging the nano calcium carbonate powder from the discharging pipe (8) after falling down along the material guiding cover (29).
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