CN114505037A - Carbonization process-based fluorescent grade magnesium oxide production system and method - Google Patents
Carbonization process-based fluorescent grade magnesium oxide production system and method Download PDFInfo
- Publication number
- CN114505037A CN114505037A CN202210193490.6A CN202210193490A CN114505037A CN 114505037 A CN114505037 A CN 114505037A CN 202210193490 A CN202210193490 A CN 202210193490A CN 114505037 A CN114505037 A CN 114505037A
- Authority
- CN
- China
- Prior art keywords
- tank
- decomposition
- filtering
- hydrolysis
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000003763 carbonization Methods 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims abstract description 60
- 239000000395 magnesium oxide Substances 0.000 title claims abstract description 48
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 title claims abstract description 48
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 39
- 230000007062 hydrolysis Effects 0.000 claims abstract description 84
- 238000006460 hydrolysis reaction Methods 0.000 claims abstract description 84
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 80
- 238000001914 filtration Methods 0.000 claims abstract description 79
- 238000003756 stirring Methods 0.000 claims abstract description 48
- 239000012535 impurity Substances 0.000 claims abstract description 33
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 239000002243 precursor Substances 0.000 claims abstract description 20
- 238000010335 hydrothermal treatment Methods 0.000 claims abstract description 16
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims abstract description 16
- 239000000347 magnesium hydroxide Substances 0.000 claims abstract description 16
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims description 67
- 238000007790 scraping Methods 0.000 claims description 58
- QWDJLDTYWNBUKE-UHFFFAOYSA-L magnesium bicarbonate Chemical compound [Mg+2].OC([O-])=O.OC([O-])=O QWDJLDTYWNBUKE-UHFFFAOYSA-L 0.000 claims description 21
- 239000002370 magnesium bicarbonate Substances 0.000 claims description 21
- 229910000022 magnesium bicarbonate Inorganic materials 0.000 claims description 21
- 235000014824 magnesium bicarbonate Nutrition 0.000 claims description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 16
- 238000003860 storage Methods 0.000 claims description 16
- 239000013078 crystal Substances 0.000 claims description 13
- 239000002994 raw material Substances 0.000 claims description 13
- 229910001424 calcium ion Inorganic materials 0.000 claims description 11
- 238000004458 analytical method Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 10
- NEKPCAYWQWRBHN-UHFFFAOYSA-L magnesium;carbonate;trihydrate Chemical compound O.O.O.[Mg+2].[O-]C([O-])=O NEKPCAYWQWRBHN-UHFFFAOYSA-L 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 10
- 229910052742 iron Inorganic materials 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 7
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 6
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 6
- 239000003463 adsorbent Substances 0.000 claims description 6
- 244000309464 bull Species 0.000 claims description 6
- 238000010000 carbonizing Methods 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 229910001385 heavy metal Inorganic materials 0.000 claims description 6
- 229910052748 manganese Inorganic materials 0.000 claims description 6
- 239000011572 manganese Substances 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- YLUIKWVQCKSMCF-UHFFFAOYSA-N calcium;magnesium;oxygen(2-) Chemical compound [O-2].[O-2].[Mg+2].[Ca+2] YLUIKWVQCKSMCF-UHFFFAOYSA-N 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 claims description 4
- 230000003301 hydrolyzing effect Effects 0.000 claims description 4
- 238000005253 cladding Methods 0.000 claims description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 abstract description 10
- 239000001095 magnesium carbonate Substances 0.000 abstract description 10
- 229910000021 magnesium carbonate Inorganic materials 0.000 abstract description 10
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 8
- 239000002351 wastewater Substances 0.000 abstract description 8
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 229910000029 sodium carbonate Inorganic materials 0.000 abstract description 2
- 235000017550 sodium carbonate Nutrition 0.000 abstract description 2
- 238000001179 sorption measurement Methods 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 16
- 239000012065 filter cake Substances 0.000 description 3
- 239000000835 fiber Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- -1 magnesium calcium oxide ions Chemical class 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- 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
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/0804—Cleaning containers having tubular shape, e.g. casks, barrels, drums
- B08B9/0808—Cleaning containers having tubular shape, e.g. casks, barrels, drums by methods involving the use of tools, e.g. by brushes, scrapers
-
- 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
- C01F5/00—Compounds of magnesium
- C01F5/02—Magnesia
-
- 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
- C01F5/00—Compounds of magnesium
- C01F5/02—Magnesia
- C01F5/06—Magnesia by thermal decomposition of magnesium compounds
-
- 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
- C01F5/00—Compounds of magnesium
- C01F5/24—Magnesium carbonates
-
- 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
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00054—Controlling or regulating the heat exchange system
- B01J2219/00056—Controlling or regulating the heat exchange system involving measured parameters
- B01J2219/00058—Temperature measurement
- B01J2219/00063—Temperature measurement of the reactants
-
- 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
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00132—Controlling the temperature using electric heating or cooling elements
- B01J2219/00135—Electric resistance heaters
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
A system and a method for producing fluorescent-grade magnesium oxide based on a carbonization process belong to the technical field of production of fluorescent-grade magnesium oxide, and aim to solve the problems of large wastewater discharge and unsatisfactory carbonization effect in the existing soda ash process for producing magnesium carbonate precursors; secondly current decomposition device can not realize carrying out impurity adsorption filtration in to liquid, leads to inside impurity too much, when influencing the hydrolysis effect, and the waste water of hydrolysising of production can't reuse. The magnesium hydroxide is more fully carbonized through temperature control stirring, the carbonization effect is improved, the production speed is increased, the magnesium carbonate precursor is produced by adopting a unique carbonization method process, the ecological environment is protected, the wastewater discharge amount is greatly reduced compared with the existing soda process, impurities are effectively filtered by the filter layer, the impurity content in the filtered magnesium carbonate precursor is extremely low, the process water in the subsequent hydrothermal treatment stage can be recycled, and the energy consumption can be greatly reduced.
Description
Technical Field
The invention relates to the technical field of fluorescent-grade magnesium oxide production, in particular to a system and a method for producing fluorescent-grade magnesium oxide based on a carbonization process.
Background
Analytically pure magnesium oxide is the highest grade of magnesium oxide among the magnesium oxide industry standards. Fluorescent grade magnesium oxide is not currently in industry standard, but the requirement of fluorescent grade magnesium oxide is more strict than that of analytically pure magnesium oxide, for example, the requirement of analytically pure magnesium oxide on the iron content is less than 50ppm, and the requirement of fluorescent grade magnesium oxide on the iron content is less than 30 ppm. In addition, requirements for the bulk density, whiteness, etc. of fluorescent grade magnesium oxide are also more stringent than those for analytically pure magnesium oxide.
The apparent specific volume of the fluorescent-grade magnesium oxide is required to be more than 8, but if magnesium carbonate trihydrate is directly calcined, the obtained magnesium oxide has the apparent specific volume of only about 4, and the crystal form is needle-shaped, is not ideal sheet-shaped and cannot be used.
1. The existing soda ash process for producing the magnesium carbonate precursor has large wastewater discharge, is easy to pollute the environment and has undesirable carbonization effect;
2. secondly current decomposition device can not realize carrying out impurity adsorption filtration in to liquid, leads to inside impurity too much, when influencing the hydrolysis effect, and the waste water of hydrolysising of production can't reuse.
Disclosure of Invention
The invention aims to provide a carbonization process-based fluorescent-grade magnesium oxide production system and method, which can improve fiber treatment efficiency, improve fiber separation efficiency and accuracy, effectively reduce energy consumption, save resources and cost, have good popularization benefits, and increase extraction convenience.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a fluorescence level magnesium oxide production system based on carbonization technology, includes the carbonization jar, the below of carbonization jar is provided with the bracing piece, and the inside of carbonization jar is provided with stirring component, the side of carbonization jar is provided with the filtration decomposition jar, and the inside of filtration decomposition jar is provided with edulcoration filter assembly, is provided with accuse temperature decomposition device in the filtration decomposition jar of edulcoration filter assembly below, the side of filtration decomposition jar is provided with the hydrolysis unit.
Further, the output end below the carbonization treatment tank is connected with the upper part of the filtering decomposition tank through a bent pipe, and the output end below the filtering decomposition tank is connected with the hydrolysis device through a bent pipe.
Further, the stirring subassembly includes agitator motor, the bull stick, accuse temperature ring, the transverse bar, stirring montant and built-in heating rod, agitator motor fixes the top at the carbonization treatment jar, agitator motor's output and bull stick are connected, accuse temperature ring has been cup jointed on the bull stick, four side terminal surfaces of accuse temperature ring are provided with the transverse bar respectively from top to bottom, the transverse bar is provided with two sets ofly, every group transverse bar is provided with four, the symmetry is fixed on accuse temperature ring, connect by multiunit stirring montant between two sets of transverse bars, the inside cladding of stirring montant is provided with built-in heating rod.
Further, edulcoration filter assembly includes the reservoir, the unloading funnel, the solenoid valve, the impurity filter layer, interior baffle and filter chamber, and the reservoir is seted up in the top of filtering the decomposition jar, and the inside of filtering the decomposition jar of reservoir below is provided with the unloading funnel, installs the solenoid valve on the unloading body of unloading funnel, and the filter chamber has been seted up to the inside of filtering the decomposition jar of unloading funnel lower extreme department, is provided with the impurity filter layer in the filter chamber, and the inside interior baffle that is provided with of filtering the decomposition jar of impurity filter layer below, sets up the material mouth with accuse temperature decomposition device intercommunication on the interior baffle.
Further, accuse temperature decomposition device includes the outer lantern ring body, the heating ring, the guide rod, control system, thermodetector and concentration detector, the outer lantern ring body cover is in filtering decomposition jar below outside, be provided with multiunit heating ring in the space between outer lantern ring body and the filtration decomposition jar, connect the pole by leading between the multiunit heating ring and connect, the heating ring is connected with the control system electricity, control system is connected with thermodetector and concentration detector electricity, thermodetector and concentration detector set up inside the filtration decomposition jar of edulcoration filter assembly below.
Furthermore, the control system comprises a temperature control module, a master control circuit, a detection and analysis module and a timing module, wherein the temperature control module, the detection and analysis module and the timing module are respectively and electrically connected with the master control circuit.
Further, the hydrolysis device comprises a hydrolysis tank, a fixed support, a heating ring seat and a scraping device, the fixed support is installed below the hydrolysis tank, a tank cover plate is arranged at the upper end of the hydrolysis tank, the tank cover plate is connected with the hydrolysis tank through a movable bearing, a water inlet pipe is arranged on the tank cover plate above the hydrolysis tank, the heating ring seat is sleeved on the outer side of the hydrolysis tank, a temperature control system is arranged on the heating ring seat, and the scraping device is arranged on the hydrolysis tank.
Further, the scraping device comprises a tooth groove ring, a gear, a driving motor, a telescopic cylinder, a mounting seat, an outer scraping seat, a built-in groove and an inner scraping strip, the tooth groove ring is sleeved above the hydrolysis tank, the tooth groove ring is meshed with the gear sleeved on the output end of the driving motor, the telescopic cylinder is fixed on the tank cover plate, the mounting seat is connected to the inner end face of the tank cover plate, the front end of the mounting seat is provided with the outer scraping seat attached to the inner wall of the hydrolysis tank, the built-in groove is formed in the mounting seat and the outer scraping seat, the inner scraping strip is arranged in the built-in groove in an inserting mode, the upper end of the inner scraping strip is connected with the output end of the telescopic cylinder, and the inner scraping strip is attached to the inner wall of the hydrolysis tank.
Further, the mounting seat, scrape the seat outward, built-in groove and interior strip setting of scraping are in the inside of jar of hydrolysising, and the discharge gate is seted up to the bottom of jar of hydrolysising, and the jar of hydrolysising passes through tooth groove ring, gear and driving motor and jar apron and heating ring seat swing joint, and the lower extreme is connected with the jar of hydrolysising through the bearing respectively on the heating ring seat.
The invention provides another technical scheme: a production method of a fluorescent grade magnesium oxide production system based on a carbonization process comprises the following steps:
the method comprises the following steps: carbonizing magnesium hydroxide through a carbonization treatment tank, releasing chloride ions and sulfate radicals in raw materials, washing the magnesium hydroxide to reduce the content of chloride radicals and sulfate radicals in products, and meeting the quality requirement of the products;
step two: carbonizing a raw material into a magnesium bicarbonate solution, conveying the magnesium bicarbonate solution into a liquid storage tank through a bent pipe, adding a settling agent and an adsorbent through a plurality of groups of feeding pipes on a filtering decomposition tank, reducing and removing iron, manganese and heavy metal substances, controlling a blanking funnel to open by an electromagnetic valve for blanking, filtering by an impurity filtering layer, and conveying the magnesium bicarbonate solution into a temperature-controlled decomposition device for low-temperature decomposition;
step three: the temperature detector and the concentration detector detect the internal temperature and concentration in real time, and transmit the detected result to the control system, the control system adjusts the temperature reached by the heating ring according to the decomposition condition, controls the concentration and the decomposition temperature of the magnesium bicarbonate solution, so that calcium ions are kept in the solution, and reduces the fluorescent-grade magnesium oxide calcium ions;
step four: the heating ring seat is used for heating and hydrolyzing water in the hydrolysis tank and the treated magnesium carbonate trihydrate, and the crystal structure of the precursor is changed and the apparent density of the product is changed by carrying out hydrothermal treatment on the precursor;
step five: the driving motor drives the gear to rotate, so that the gear groove ring and the hydrolysis tank are driven to rotate together, and when the hydrolysis tank rotates, the outer scraping seat and the inner scraping strip at one end of the mounting seat scrape the residual crystals on the inner wall of the hydrolysis tank.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention provides a system and a method for producing fluorescent-grade magnesium oxide based on a carbonization process, wherein a built-in heating rod is wrapped inside a vertical stirring rod, magnesium hydroxide is carbonized through a carbonization treatment tank, chloride ions and sulfate radicals in raw materials are released, the content of the chloride radicals and the sulfate radicals in a product is reduced through washing the magnesium hydroxide, the product quality requirement is met, in the carbonization process, a stirring motor drives a rotating rod to rotate to drive the vertical stirring rod and a transverse rod to stir, in the stirring process, a temperature control ring controls the temperature of the built-in heating rod, the magnesium hydroxide is carbonized more fully through temperature control stirring, the carbonization effect is improved, the production speed is increased, a unique carbonization process is adopted to produce a magnesium carbonate precursor, the system and the method are ecological and environment-friendly, and the discharge amount of waste water is greatly reduced compared with the existing soda process.
2. The invention provides a system and a method for producing fluorescent grade magnesium oxide based on a carbonization process.A material port communicated with a temperature-controlled decomposition device is arranged on an inner partition plate, raw materials are carbonized into a magnesium bicarbonate solution and are conveyed into a liquid storage tank through a bent pipe, a sedimentation agent and an adsorbent are added through a plurality of groups of feed pipes on a filtering decomposition tank to reduce and remove iron, manganese and heavy metal substances, a discharge hopper is controlled by an electromagnetic valve to open for discharging, the raw materials are conveyed into the temperature-controlled decomposition device for low-temperature decomposition after being filtered by an impurity filtering layer, liquid can fully react in the liquid storage tank, the impurities are effectively filtered by the filtering layer, the impurity content in a magnesium carbonate precursor after being filtered is extremely low, process water in a subsequent hydrothermal treatment stage can be recycled, and the energy consumption can be greatly reduced.
3. According to the system and the method for producing the fluorescent-grade magnesium oxide based on the carbonization process, the temperature detector and the concentration detector detect the internal temperature and concentration in real time, the detected result is transmitted into the control system, the detection and analysis module analyzes the liquid concentration, the total control circuit adjusts the temperature reached by the heating ring through the temperature control module according to the decomposition condition, the concentration and the decomposition temperature of the magnesium bicarbonate solution are effectively and accurately controlled, calcium ions are kept in the solution, and the fluorescent-grade magnesium oxide calcium ions are reduced.
4. The invention provides a carbonization process-based fluorescent grade magnesium oxide production system and method.A heating ring seat is provided with a temperature control system, a hydrolysis tank is provided with a scraping device, the heating ring seat is used for heating and hydrolyzing water in the hydrolysis tank and treated magnesium carbonate trihydrate, a precursor is subjected to hydrothermal treatment to change the crystal structure of the precursor, change the apparent density of a product, and achieve the requirement of apparent specific volume by carrying out hydrothermal treatment on the magnesium carbonate trihydrate, and then a filter cake after the hydrothermal treatment is calcined at a certain temperature to obtain qualified fluorescent grade magnesium oxide, thereby effectively ensuring the quality of the fluorescent grade magnesium oxide.
5. The invention provides a carbonization process-based fluorescent grade magnesium oxide production system and a carbonization process-based fluorescent grade magnesium oxide production method, wherein a hydrolysis tank is movably connected with a tank cover plate and a heating ring seat through a tooth-shaped groove ring, a gear and a driving motor, the upper end and the lower end of the heating ring seat are respectively connected with the hydrolysis tank through bearings, the driving motor drives the gear to rotate, so that the tooth-shaped groove ring and the hydrolysis tank are driven to rotate together, an outer scraping seat and an inner scraping strip at one end of an installation seat scrape residual crystals on the inner wall of the hydrolysis tank while the hydrolysis tank rotates, the inner material collection efficiency is improved, and a telescopic cylinder can drive the inner scraping strip to extend out, so that the scraping length is conveniently adjusted, and the adaptability of scraping is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a half sectional view of the stirring assembly of the present invention;
FIG. 3 is a schematic view of the filter decomposition tank of the present invention;
FIG. 4 is a cross-sectional view of the trash filtration assembly of the present invention;
FIG. 5 is a half sectional view of the temperature controlled decomposition device according to the present invention;
FIG. 6 is a block diagram of the control system connections of the present invention;
FIG. 7 is a schematic view of the hydrolysis apparatus according to the present invention;
fig. 8 is a schematic structural view of the scraping device of the present invention.
In the figure: 1. a carbonization treatment tank; 11. a support bar; 12. bending the pipe; 2. a stirring assembly; 21. a stirring motor; 22. a rotating rod; 23. a temperature control ring; 24. a transverse bar; 25. stirring the vertical rod; 26. a heating rod is arranged inside; 3. a filtering decomposition tank; 4. an impurity removal filtering component; 41. a liquid storage tank; 42. a discharging funnel; 43. an electromagnetic valve; 44. an impurity filtering layer; 45. an inner partition plate; 46. a filter chamber; 5. a temperature-controlled decomposition device; 51. a jacket ring body; 52. a heating ring; 53. a guide rod; 54. a control system; 541. a temperature control module; 542. a master control circuit; 543. a detection analysis module; 544. a timing module; 55. a temperature detector; 56. a concentration detector; 6. a hydrolysis device; 61. a hydrolysis tank; 611. a tank cover plate; 612. a movable bearing; 613. a water inlet pipe; 62. fixing a bracket; 63. heating the ring seat; 64. a scraping device; 641. a gear groove ring; 642. a gear; 643. a drive motor; 644. a telescopic cylinder; 645. a mounting seat; 646. an outer scraping base; 647. a built-in groove; 648. and (4) inner scraping strips.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a system and a method for producing fluorescent grade magnesium oxide based on carbonization process comprises a carbonization treatment tank 1, a support rod 11 is arranged below the carbonization treatment tank 1, a stirring component 2 is arranged inside the carbonization treatment tank 1, a filtering decomposition tank 3 is arranged at the side end of the carbonization treatment tank 1, an impurity removal filtering component 4 is arranged inside the filtering decomposition tank 3, a temperature control decomposition device 5 is arranged inside the filtering decomposition tank 3 below the impurity removal filtering component 4, a hydrolysis device 6 is arranged at the side end of the filtering decomposition tank 3, the lower output end of the carbonization treatment tank 1 is connected with the upper part of the filtering decomposition tank 3 through a bent pipe 12, the lower output end of the filtering decomposition tank 3 is connected with the hydrolysis device 6 through a bent pipe 12, the problems existing in the carbonization process technology are solved, high-quality fluorescent grade magnesium oxide products are produced, and production automation is realized by utilizing a new generation of information technology, greatly reduces various consumptions and realizes the recycling of water.
Referring to fig. 2, the stirring assembly 2 includes a stirring motor 21, a rotating rod 22, a temperature control ring 23, a transverse rod 24, a vertical stirring rod 25 and a built-in heating rod 26, the stirring motor 21 is fixed above the carbonization treatment tank 1, the output end of the stirring motor 21 is connected with the rotating rod 22, the temperature control ring 23 is sleeved on the rotating rod 22, the transverse rods 24 are respectively arranged above and below the four side end faces of the temperature control ring 23, two groups of transverse rods 24 are provided, four transverse rods 24 are provided for each group, symmetrically fixed on the temperature control ring 23, the two groups of transverse rods 24 are connected by a plurality of groups of vertical stirring rods 25, the built-in heating rod 26 is wrapped inside the vertical stirring rod 25, magnesium hydroxide is carbonized through the carbonization treatment tank 1, chloride ions and sulfate radicals in the raw materials are released, and the contents of chloride radicals and sulfate radicals in the product are reduced by washing the magnesium hydroxide, so as to meet the product quality requirements, in the carbonization process, the stirring motor 21 drives the rotating rod 22 to rotate to drive the stirring vertical rod 25 and the transverse rod 24 to stir, the temperature control ring 23 controls the temperature of the built-in heating rod 26 in the stirring process, the magnesium hydroxide is carbonized more fully through temperature control stirring, the carbonization effect is improved, the production speed is increased, a unique carbonization process is adopted to produce a magnesium carbonate precursor, the ecological environment is protected, and the wastewater discharge amount is greatly reduced compared with the existing soda process.
Referring to fig. 3-4, the impurity removing and filtering assembly 4 includes a liquid storage tank 41, a feeding hopper 42, an electromagnetic valve 43, an impurity filtering layer 44, an inner partition plate 45 and a filtering chamber 46, the liquid storage tank 41 is disposed above the filtering and decomposing tank 3, the feeding hopper 42 is disposed inside the filtering and decomposing tank 3 below the liquid storage tank 41, the electromagnetic valve 43 is mounted on a feeding pipe of the feeding hopper 42, the filtering chamber 46 is disposed inside the filtering and decomposing tank 3 at a lower opening of the feeding hopper 42, the impurity filtering layer 44 is disposed inside the filtering chamber 46, the inner partition plate 45 is disposed inside the filtering and decomposing tank 3 below the impurity filtering layer 44, a material port communicated with the temperature-controlled decomposing device 5 is disposed on the inner partition plate 45, the raw material is carbonized into a magnesium bicarbonate solution, the magnesium bicarbonate solution is conveyed into the liquid storage tank 41 through the elbow 12, a settling agent and an adsorbent are added through a plurality of feeding pipes on the filtering and decomposing tank 3 to reduce and remove iron, Manganese and heavy metal substances are fed by controlling the opening of a feeding funnel 42 by an electromagnetic valve 43, are filtered by an impurity filtering layer 44 and are conveyed into a temperature-controlled decomposition device 5 for low-temperature decomposition, liquid can fully react in a liquid storage tank 41, impurities are effectively filtered by the filtering layer 44, the impurity content in a filtered magnesium carbonate precursor is extremely low, process water in a subsequent hydrothermal treatment stage can be recycled, and the energy consumption can be greatly reduced.
Referring to fig. 5-6, the temperature-controlled decomposition device 5 includes an outer jacket body 51, a heating ring 52, a connecting rod 53, a control system 54, a temperature detector 55 and a concentration detector 56, the outer jacket body 51 is sleeved outside the lower portion of the filtration decomposition tank 3, a plurality of sets of heating rings 52 are disposed in a gap between the outer jacket body 51 and the filtration decomposition tank 3, the plurality of sets of heating rings 52 are connected by the connecting rod 53, the heating ring 52 is electrically connected with the control system 54, the control system 54 is electrically connected with the temperature detector 55 and the concentration detector 56, the temperature detector 55 and the concentration detector 56 are disposed inside the filtration decomposition tank 3 below the impurity-removing filter assembly 4, the control system 54 includes a temperature control module 541, a master control circuit 542, a detection and analysis module 543 and a timing module 544, the temperature control module 541, the detection and analysis module 543 and the timing module 544 are respectively electrically connected with the master control circuit 542, the temperature detector 55 and the concentration detector 56 detect the internal temperature and concentration in real time, and convey the detected result to the control system 54, the detection and analysis module 543 analyzes the liquid concentration, the master control circuit 542 adjusts the temperature reached by the heating ring 52 through the temperature control module 541 according to the decomposition condition, so as to effectively and accurately control the concentration and decomposition temperature of the magnesium bicarbonate solution, so that calcium ions are retained in the solution, and the fluorescence-grade magnesium oxide calcium ions are reduced.
Referring to fig. 7, the hydrolysis apparatus 6 includes a hydrolysis tank 61, a fixed bracket 62, a heating ring seat 63 and a scraping apparatus 64, the fixed bracket 62 is installed below the hydrolysis tank 61, a tank cover plate 611 is installed at the upper end of the hydrolysis tank 61, the tank cover plate 611 is connected with the hydrolysis tank 61 through a movable bearing 612, a water inlet pipe 613 is installed on the tank cover plate 611 above the hydrolysis tank 61, the heating ring seat 63 is sleeved on the outer side of the hydrolysis tank 61, a temperature control system is installed on the heating ring seat 63, the scraping apparatus 64 is installed on the hydrolysis tank 61, the heating ring seat 63 performs heating hydrolysis on water in the hydrolysis tank 61 and treated magnesium carbonate trihydrate, the precursor is subjected to hydrothermal treatment to change its crystal structure, change the apparent density of the product, perform hydrothermal treatment on magnesium carbonate trihydrate to meet the requirement of apparent specific volume, then calcine the filter cake after the hydrothermal treatment at a certain temperature to obtain qualified fluorescent grade magnesium oxide, effectively ensuring the quality of the fluorescent grade magnesium oxide.
Referring to fig. 8, the scraping device 64 includes a slotted ring 641, a gear 642, a driving motor 643, a telescopic cylinder 644, a mounting seat 645, an outer scraping seat 646, an inner groove 647 and an inner scraping bar 648, the slotted ring 641 is sleeved above the hydrolysis tank 61, the slotted ring 641 is engaged with the gear 642 sleeved on the output end of the driving motor 643, the telescopic cylinder 644 is fixed on the tank cover plate 611, the mounting seat 645 is connected on the inner end surface of the tank cover plate 611, the outer scraping seat 646 attached to the inner wall of the hydrolysis tank 61 is arranged at the front end of the mounting seat 645, the inner groove 647 is arranged inside the mounting seat 645 and the outer scraping seat 646, the inner scraping bar 648 is inserted into the inner groove 647, the upper end of the inner scraping bar 648 is connected to the output end of the telescopic cylinder 644, the inner scraping bar 648 is attached to the inner wall of the hydrolysis tank 61, the mounting seat 645, the outer scraping seat 646, the inner groove 647 and the inner scraping bar 648 are arranged inside the hydrolysis tank 61, the bottom end of the hydrolysis tank 61 is provided with a discharge port, hydrolysis tank 61 passes through fluted ring 641, gear 642 and driving motor 643 and cover board 611 and heating ring seat 63 swing joint, the lower extreme is connected with hydrolysis tank 61 through the bearing respectively on heating ring seat 63, driving motor 643 drive gear 642 rotates, thereby drive fluted ring 641 and hydrolysis tank 61 and rotate together, hydrolysis tank 61 pivoted in, the outer seat 646 of scraping of mount pad 645 one end is scraped with interior strip 648 scrapes remaining crystal on hydrolysis tank 61 inner wall, improve interior material collection efficiency, and telescopic cylinder 644 can drive interior strip 648 and stretch out, be convenient for adjust scraping length, improve the suitability of scraping the material.
In order to better show the production process of the fluorescent-grade magnesium oxide production system based on the carbonization process, the present embodiment provides a production method of the fluorescent-grade magnesium oxide production system based on the carbonization process, including the following steps:
the method comprises the following steps: carbonizing magnesium hydroxide through a carbonization treatment tank 1, releasing chloride ions and sulfate radicals in raw materials, and washing the magnesium hydroxide to reduce the content of chloride radicals and sulfate radicals in products so as to meet the quality requirements of the products, wherein in the carbonization process, a stirring motor 21 drives a rotating rod 22 to rotate to drive a vertical stirring rod 25 and a transverse rod 24 to stir, and in the stirring process, a temperature control ring 23 controls the temperature of an embedded heating rod 26;
step two: carbonizing raw materials into a magnesium bicarbonate solution, conveying the magnesium bicarbonate solution into a liquid storage tank 41 through a bent pipe 12, adding a settling agent and an adsorbent through a plurality of groups of feeding pipes on a filtering decomposition tank 3, reducing and removing iron, manganese and heavy metal substances, controlling a blanking funnel 42 to be opened by an electromagnetic valve 43 for blanking, filtering the magnesium bicarbonate solution by an impurity filtering layer 44, and conveying the magnesium bicarbonate solution into a temperature-controlled decomposition device 5 for low-temperature decomposition;
step three: the temperature detector 55 and the concentration detector 56 detect the internal temperature and concentration in real time, and transmit the detected result to the control system 54, the control system 54 adjusts the temperature reached by the heating ring 52 according to the decomposition condition, controls the concentration and the decomposition temperature of the magnesium bicarbonate solution, so that calcium ions are kept in the solution, and reduces the fluorescence-grade magnesium oxide calcium ions;
step four: the heating ring seat 63 is used for heating and hydrolyzing the water in the hydrolysis tank 61 and the treated magnesium carbonate trihydrate, and the crystal structure of the precursor is changed and the apparent density of the product is changed by carrying out hydrothermal treatment on the precursor;
step five: the driving motor 643 drives the gear 642 to rotate, so as to drive the fluted ring 641 and the hydrolysis tank 61 to rotate together, and the outer scraping seat 646 and the inner scraping strip 648 at one end of the mounting seat 645 scrape the crystals remaining on the inner wall of the hydrolysis tank 61 while the hydrolysis tank 61 rotates.
In conclusion, the system and the method for producing fluorescent grade magnesium oxide based on carbonization process provided by the invention have the advantages that the built-in heating rod 26 is wrapped and arranged inside the stirring vertical rod 25, magnesium hydroxide is carbonized through the carbonization treatment tank 1, chloride ions and sulfate radicals in the raw materials are released, the content of the chloride radicals and the sulfate radicals in the product is reduced through washing the magnesium hydroxide, the product quality requirement is met, in the carbonization process, the stirring motor 21 drives the rotating rod 22 to rotate to drive the stirring vertical rod 25 and the transverse rod 24 to stir, in the stirring process, the temperature control ring 23 controls the temperature of the built-in heating rod 26, the magnesium hydroxide is carbonized more fully through temperature control stirring, the carbonization effect is improved, the production speed is increased, the magnesium carbonate is produced by adopting the unique carbonization process, the ecological environment is protected, the discharge amount of waste water is greatly reduced compared with the existing soda process, the inner clapboard 45 is provided with a material port communicated with the temperature-controlled decomposition device 5, raw materials are carbonized into magnesium bicarbonate solution, the magnesium bicarbonate solution is conveyed into a liquid storage tank 41 through a bent pipe 12, a plurality of groups of feed pipes on the filtering decomposition tank 3 are added with a settling agent and an adsorbent to reduce and remove iron, manganese and heavy metal substances, a feeding funnel 42 is controlled by an electromagnetic valve 43 to be opened for feeding, the feeding funnel is conveyed into the temperature-controlled decomposition device 5 after being filtered by an impurity filtering layer 44 for low-temperature decomposition, liquid can be fully reacted in the liquid storage tank 41, the impurities are effectively filtered by the filtering layer 44, the impurity content in a magnesium carbonate precursor after being filtered is extremely low, process water in a subsequent hydrothermal treatment stage can be recycled, the energy consumption can be greatly reduced, a temperature detector 55 and a concentration detector 56 carry out real-time detection on the internal temperature and concentration, and the detected result is conveyed into a control system 54, the detection analysis module 543 analyzes the liquid concentration, the master control circuit 542 adjusts the temperature reached by the heating ring 52 through the temperature control module 541 according to the decomposition condition, effectively and accurately controls the concentration and decomposition temperature of the magnesium bicarbonate solution, so that calcium ions are kept in the solution, and fluorescent-grade magnesium calcium oxide ions are reduced, the heating ring seat 63 is provided with a temperature control system, the hydrolysis tank 61 is provided with a scraping device 64, the heating ring seat 63 performs heating hydrolysis on the water in the hydrolysis tank 61 and the treated normal magnesium carbonate trihydrate, the crystal structure of the precursor is changed by performing hydrothermal treatment on the precursor, the apparent density of the product is changed, the hydrothermal treatment on the normal magnesium carbonate trihydrate is performed to reach the specific volume requirement, then the filter cake after the hydrothermal treatment is calcined at a certain temperature, and qualified fluorescent-grade magnesium oxide is obtained, and the quality of the fluorescent-grade magnesium oxide is effectively ensured, hydrolysis tank 61 passes through fluted ring 641, gear 642 and driving motor 643 and cover board 611 and heating ring seat 63 swing joint, the lower extreme is connected with hydrolysis tank 61 through the bearing respectively on heating ring seat 63, driving motor 643 drive gear 642 rotates, thereby drive fluted ring 641 and hydrolysis tank 61 and rotate together, hydrolysis tank 61 pivoted in, the outer seat 646 of scraping of mount pad 645 one end is scraped with interior strip 648 scrapes remaining crystal on hydrolysis tank 61 inner wall, improve interior material collection efficiency, and telescopic cylinder 644 can drive interior strip 648 and stretch out, be convenient for adjust scraping length, improve the suitability of scraping the material.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (10)
1. A fluorescent grade magnesium oxide production system based on carbonization technology is characterized in that: including carbonization treatment tank (1), the below of carbonization treatment tank (1) is provided with bracing piece (11), and the inside of carbonization treatment tank (1) is provided with stirring subassembly (2), the side of carbonization treatment tank (1) is provided with filtering decomposition jar (3), and the inside of filtering decomposition jar (3) is provided with edulcoration filter assembly (4), is provided with in filtering decomposition jar (3) of edulcoration filter assembly (4) below and controls temperature decomposition device (5), the side of filtering decomposition jar (3) is provided with hydrolysis unit (6).
2. A carbonization process based fluorescent grade magnesium oxide production system as claimed in claim 1, wherein: the output end below the carbonization treatment tank (1) is connected with the upper part of the filtering decomposition tank (3) through an elbow pipe (12), and the output end below the filtering decomposition tank (3) is connected with the hydrolysis device (6) through the elbow pipe (12).
3. A carbonation process based fluorescent grade magnesium oxide production system according to claim 1, wherein: stirring subassembly (2) is including agitator motor (21), bull stick (22), accuse temperature ring (23), transverse bar (24), stirring montant (25) and built-in heating rod (26), agitator motor (21) are fixed in the top of carbonization jar (1), agitator motor's (21) output and bull stick (22) are connected, accuse temperature ring (23) have been cup jointed on bull stick (22), four side terminal surface undersides of accuse temperature ring (23) are provided with transverse bar (24) respectively, transverse bar (24) are provided with two sets ofly, every group transverse bar (24) are provided with four, the symmetry is fixed on accuse temperature ring (23), connect by multiunit stirring montant (25) between two sets of transverse bar (24), the inside cladding of stirring montant (25) is provided with built-in heating rod (26).
4. A carbonization process based fluorescent grade magnesium oxide production system as claimed in claim 1, wherein: the impurity removal filtering component (4) comprises a liquid storage tank (41), a discharging funnel (42), an electromagnetic valve (43), an impurity filtering layer (44), an inner partition plate (45) and a filtering cavity (46), wherein the liquid storage tank (41) is arranged above the filtering decomposition tank (3), the discharging funnel (42) is arranged inside the filtering decomposition tank (3) below the liquid storage tank (41), the electromagnetic valve (43) is installed on a discharging pipe body of the discharging funnel (42), the filtering cavity (46) is formed inside the filtering decomposition tank (3) at the lower opening of the discharging funnel (42), the impurity filtering layer (44) is arranged in the filtering cavity (46), the inner partition plate (45) is arranged inside the filtering decomposition tank (3) below the impurity filtering layer (44), and a material opening communicated with the temperature control decomposition device (5) is formed in the inner partition plate (45).
5. A carbonization process based fluorescent grade magnesium oxide production system as claimed in claim 1, wherein: temperature control decomposition device (5) are including outer lantern ring body (51), heating ring (52), lead and connect pole (53), control system (54), thermodetector (55) and concentration detector (56), outer lantern ring body (51) cover is in filtering decomposition jar (3) below outside, be provided with multiunit heating ring (52) in the space between outer lantern ring body (51) and the filtering decomposition jar (3), connect by leading and connect pole (53) between multiunit heating ring (52), heating ring (52) are connected with control system (54) electricity, control system (54) are connected with thermodetector (55) and concentration detector (56) electricity, thermodetector (55) and concentration detector (56) set up inside filtering decomposition jar (3) of edulcoration filter assembly (4) below.
6. A carbonization process-based fluorescent grade magnesium oxide production system as claimed in claim 5, wherein: the control system (54) comprises a temperature control module (541), a master control circuit (542), a detection analysis module (543) and a timing module (544), wherein the temperature control module (541), the detection analysis module (543) and the timing module (544) are respectively and electrically connected with the master control circuit (542).
7. A carbonization process based fluorescent grade magnesium oxide production system as claimed in claim 1, wherein: hydrolysis device (6) are including hydrolysis tank (61), fixed bolster (62), heating ring seat (63) and scraping device (64), fixed bolster (62) are installed to the below of hydrolysis tank (61), the upper end of hydrolysis tank (61) is provided with tank deck board (611), tank deck board (611) are connected with hydrolysis tank (61) through loose bearing (612), be provided with inlet tube (613) on hydrolysis tank (61) top tank deck board (611), hydrolysis tank (61) outside cover has heating ring seat (63), be provided with temperature control system on heating ring seat (63), be provided with scraping device (64) on hydrolysis tank (61).
8. The system for producing phosphor grade magnesium oxide based on carbonization process as claimed in claim 7, wherein: the scraping device (64) comprises a tooth groove ring (641), a gear (642), a driving motor (643), a telescopic cylinder (644), a mounting seat (645), an outer scraping seat (646), an inner groove (647) and an inner scraping strip (648), the tooth groove ring (641) is sleeved above the hydrolysis tank (61), the tooth groove ring (641) is meshed with a gear (642) sleeved on the output end of a driving motor (643), a telescopic cylinder (644) is fixed on a tank cover plate (611), an installation seat (645) is connected on the inner end face of the tank cover plate (611), an outer scraping seat (646) attached to the inner wall of the hydrolysis tank (61) is arranged at the front end of the installation seat (645), built-in grooves (647) are formed in the installation seat (645) and the outer scraping seat (646), inner scraping strips (648) are arranged in the built-in grooves (647) in a matched mode, the upper ends of the inner scraping strips (648) are connected with the output end of the telescopic cylinder (644), and the inner scraping strips (648) are attached to the inner wall of the hydrolysis tank (61).
9. A carbonization process based fluorescent grade magnesium oxide production system as claimed in claim 8, wherein: the installation seat (645), the outer scraping seat (646), the built-in groove (647) and the inner scraping strip (648) are arranged inside the hydrolysis tank (61), a discharge hole is formed in the bottom end of the hydrolysis tank (61), the hydrolysis tank (61) is movably connected with the tank cover plate (611) and the heating ring seat (63) through a tooth groove ring (641), a gear (642) and a driving motor (643), and the upper end and the lower end of the heating ring seat (63) are respectively connected with the hydrolysis tank (61) through bearings.
10. A method for producing a fluorescent grade magnesium oxide production system based on a carbonization process according to any one of claims 1 to 9, characterized in that: the method comprises the following steps:
the method comprises the following steps: carbonizing magnesium hydroxide through a carbonization treatment tank (1), releasing chloride ions and sulfate radicals in raw materials, washing the magnesium hydroxide to reduce the content of the chloride radicals and the sulfate radicals in products and achieve the quality requirement of the products, driving a rotating rod (22) to rotate by a stirring motor (21) to drive a stirring vertical rod (25) and a transverse rod (24) to stir in the carbonization process, and controlling the temperature of a built-in heating rod (26) by a temperature control ring (23) in the stirring process;
step two: carbonizing a raw material into a magnesium bicarbonate solution, conveying the magnesium bicarbonate solution into a liquid storage tank (41) through a bent pipe (12), adding a settling agent and an adsorbent through a plurality of groups of feeding pipes on a filtering decomposition tank (3), reducing and removing iron, manganese and heavy metal substances, controlling a feeding funnel (42) to open by an electromagnetic valve (43) for feeding, filtering by an impurity filtering layer (44), and conveying the magnesium bicarbonate solution into a temperature-controlled decomposition device (5) for low-temperature decomposition;
step three: the temperature detector (55) and the concentration detector (56) detect the internal temperature and concentration in real time, and transmit the detected result to the control system (54), the control system (54) adjusts the temperature reached by the heating ring (52) according to the decomposition condition, controls the concentration and the decomposition temperature of the magnesium bicarbonate solution, so that calcium ions are kept in the solution, and reduces the fluorescence-grade magnesium oxide calcium ions;
step four: the heating ring seat (63) is used for heating and hydrolyzing water in the hydrolysis tank (61) and the treated magnesium carbonate trihydrate, and the crystal structure of the precursor is changed and the apparent density of the product is changed by carrying out hydrothermal treatment on the precursor;
step five: the drive motor (643) drives the gear (642) to rotate, so that the tooth groove ring (641) and the hydrolysis tank (61) are driven to rotate together, and when the hydrolysis tank (61) rotates, the outer scraping seat (646) and the inner scraping strip (648) at one end of the mounting seat (645) scrape crystals remaining on the inner wall of the hydrolysis tank (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210193490.6A CN114505037B (en) | 2022-03-01 | 2022-03-01 | Fluorescent grade magnesium oxide production system and method based on carbonization process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210193490.6A CN114505037B (en) | 2022-03-01 | 2022-03-01 | Fluorescent grade magnesium oxide production system and method based on carbonization process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114505037A true CN114505037A (en) | 2022-05-17 |
| CN114505037B CN114505037B (en) | 2024-09-17 |
Family
ID=81554503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210193490.6A Active CN114505037B (en) | 2022-03-01 | 2022-03-01 | Fluorescent grade magnesium oxide production system and method based on carbonization process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114505037B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102030487A (en) * | 2009-09-28 | 2011-04-27 | 王全祥 | New process for preparing high-purity magnesium oxide by normal temperature carbonization and low temperature pyrolysis |
| JP2014080347A (en) * | 2012-10-18 | 2014-05-08 | Yoshizawa Lime Industry | Extraction method of magnesium oxide from semifired dolomite |
| CN106904844A (en) * | 2017-04-01 | 2017-06-30 | 和顺银圣化工有限公司 | A kind of preparation method of slim sheet material silicon steel magnesia |
| CN108529653A (en) * | 2018-05-24 | 2018-09-14 | 中南大学 | Devices and methods therefor and the application of high-purity magnesium oxide are prepared using dolomite as raw material |
-
2022
- 2022-03-01 CN CN202210193490.6A patent/CN114505037B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102030487A (en) * | 2009-09-28 | 2011-04-27 | 王全祥 | New process for preparing high-purity magnesium oxide by normal temperature carbonization and low temperature pyrolysis |
| JP2014080347A (en) * | 2012-10-18 | 2014-05-08 | Yoshizawa Lime Industry | Extraction method of magnesium oxide from semifired dolomite |
| CN106904844A (en) * | 2017-04-01 | 2017-06-30 | 和顺银圣化工有限公司 | A kind of preparation method of slim sheet material silicon steel magnesia |
| CN108529653A (en) * | 2018-05-24 | 2018-09-14 | 中南大学 | Devices and methods therefor and the application of high-purity magnesium oxide are prepared using dolomite as raw material |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114505037B (en) | 2024-09-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102060938B (en) | Method for extracting algin through comprehensively utilizing brown algae | |
| CN114505037A (en) | Carbonization process-based fluorescent grade magnesium oxide production system and method | |
| CN215234220U (en) | Graphite purification reaction device | |
| CN215823578U (en) | A screening plant for aluminium dihydrogen phosphate | |
| CN218078096U (en) | Stirring storehouse thick liquids crushing slurrying equipment | |
| CN216073086U (en) | Sodium carbonate impurity removal equipment | |
| CN218608970U (en) | Slurry stirring device of lithium ion battery | |
| CN217222358U (en) | Dross removal mechanism is used in iron oxide production | |
| CN115787337A (en) | Refined cotton rolling dewatering equipment | |
| CN210559426U (en) | A device for producing magnesium carbonate by a carbonization method | |
| CN220949494U (en) | Anti-sedimentation printing machine ink storage and conveying mechanism | |
| CN114349223A (en) | Sewage treatment equipment for microalgae culture | |
| CN214106856U (en) | Raw material polymerization equipment for acrylic plate | |
| CN221440694U (en) | Coal tar purifier | |
| CN217340263U (en) | High-purity graphite purification and filtration device | |
| CN219489963U (en) | Fermenting installation of pickling liquid preparation | |
| CN220573054U (en) | Separator is used in hydrogen production | |
| CN211445408U (en) | Biochemical waste recovery processing device | |
| CN220968719U (en) | Stirring device for phthalocyanine blue synthetic pigment | |
| CN217651083U (en) | Aluminiferous pickling sludge recycling device | |
| CN214115186U (en) | Lithium ion battery waste liquid filtration equipment | |
| CN213192785U (en) | A kind of slag removal device for calcium hydroxide production | |
| CN215516927U (en) | Printing waste water purifies recycles device | |
| CN217526509U (en) | Solid-liquid separation device convenient to clearance | |
| CN217887077U (en) | Calcium carbonate precipitation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |