CN113233509B - Mn based on MES system 3 O 4 Continuous production system - Google Patents
Mn based on MES system 3 O 4 Continuous production system Download PDFInfo
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Abstract
The invention discloses Mn based on an MES system 3 O 4 A continuous production system relates to the field of process industrial production process control. The system comprises a material mixing unit, a reaction unit, a material storage unit, a filter pressing unit,The continuous production system comprises a drying unit, a collecting unit and an operating and controlling unit, wherein the mixing unit, the reaction unit, the material storing unit, the filter pressing unit, the drying unit, the collecting unit and the operating and controlling unit are electrically connected, the state of equipment in the production process is provided with data by the information acquisition device, and the MES system regulates and controls the process of the continuous production system according to the acquired data. The invention relates to Mn based on MES system 3 O 4 Mn is realized by a MES system in a continuous production system 3 O 4 Can improve Mn 3 O 4 The production efficiency, the process capability index cpk of the main quality characteristics of the product is improved, and the product is more stable and controllable.
Description
Technical Field
The invention belongs to the field of process industrial production process control, and particularly relates to Mn based on an MES system 3 O 4 A continuous production system.
Background
The manganous-manganic oxide belongs to a high-performance structural material, is mainly used in the electronic industry, is one of important raw materials required for producing the soft magnetic ferrite, and is also a high-quality raw material for preparing the manganese-zinc ferrite, and the prepared soft magnetic ferrite accounts for more than 60 percent of the total amount of the soft magnetic ferrite. After manganous-manganic oxide replaces manganese carbonate as a manganese source to prepare the manganese-zinc soft magnetic ferrite, the manganous-manganic oxide develops rapidly; the soft magnetic ferrite is prepared by mixing oxides of manganese, zinc and iron according to a certain proportion and sinteringThe magnetic material is manufactured by molding, has a narrow remanence induction curve, can be magnetized repeatedly, has high direct current resistivity, and can avoid eddy current loss. It can be used as magnetic core, magnetic disk and magnetic tape for storing information in electronic computer, transformer and high-quality inductor for telephone, flyback transformer for TV, magnetic head for magnetic recording, inductor, magnetic amplifier, saturable inductor, antenna rod, etc. After the development of more than twenty years, the production scale of the trimanganese tetroxide in China becomes the first world, the application of the trimanganese tetroxide is more and more extensive, and the market demand is continuously increased. Therefore, the development of an intelligently produced Mn is urgently needed 3 O 4 The continuous production system.
The MES system is a production informatization management system facing to a workshop execution layer of a manufacturing enterprise. The whole production process from order placement to product completion can be optimally managed through information transmission. Through search, the MES system has been applied to the production fields of ceramics (CN 108706963A), semiconductors (CN 110233122A), formula foods (CN 112258053A) and the like. However, mn has not been found in the prior art 3 O 4 The production and preparation of (2) is combined with the MES system.
There are many methods for preparing mangano-manganic oxide, and they can be classified into the following methods according to reaction properties and process characteristics: reduction, calcination, electrolysis and oxidation. The production process of mangano-manganic oxide in China mostly adopts an electrolytic manganese metal powder sheet suspension oxidation method, the raw material of the mangano-manganic oxide is electrolytic manganese metal sheets, firstly, the manganese metal sheets are crushed into suspension, and the mangano-manganic oxide is prepared by using an oxidant under certain conditions, and the basic process flow is as follows: and (4) pulping the electrolytic manganese metal sheet, oxidizing, drying and obtaining a finished product. The key of the process is an oxidation tank, a washing tower, water treatment and drying equipment. Wherein, reverse osmosis equipment and ion exchange equipment are usually adopted during water treatment; the oxidation tank typically utilizes a titanium-lined plate high-efficiency stirred tank or rubber lining; the scrubber typically utilizes a multi-stage counter-current scrubber; the drying equipment adopts pressure spray type, centrifugal spray type and chamber type drying. CN201410048579.9 discloses a device for continuously preparing powdery MES particles, which comprises a high-shear reactor, a flash dryer, a cyclone separation device, a bag-type dust collector and an induced draft fan, which are sequentially communicated through pipelines; the high-shear reactor is horizontally arranged and is respectively provided with an acid ester inlet, a powder inlet, an air inlet and a material outlet communicated with the flash dryer; meanwhile, the patent also discloses a process, which comprises the following steps: 1) The powdery mixture of the neutralizer, the wrapping agent and the stabilizer enters a high-shear reactor according to a certain proportion, and the fatty acid methyl ester acid ester after the sulfonation of the fatty acid methyl ester also enters the high-shear reactor according to a certain proportion; 2) The materials stay in the high shear reactor for 10 to 60 seconds to generate neutralization reaction and wrap the materials to form MES particles; then the mixture is output from the high shear reactor and enters a flash evaporation dryer; 3) Outputting the MES particles treated by the flash dryer, and then feeding the MES particles into a cyclone separator for cooling and drying; meanwhile, returning part of the coarser MES particles to the high-shear reactor for further crushing, and maintaining the obtained MES particles at a certain granularity; 4) The mixed gas flow from the outlet of the flash dryer enters a cyclone separator for separation, the separated powdery material directly enters a finished product powder bin, and the separated mixed gas flow enters a bag-type dust remover for dust removal and then is emptied; 5) Packaging MES particles in a finished product powder bin to obtain a finished product; returning part of dust obtained by cloth bag dust removal separation to the inlet of the high shear reactor for continuous reaction and granulation. The production equipment has the defects that the production equipment only can realize one-to-one corresponding production mode and cannot realize many-to-many production requirements.
Disclosure of Invention
1. Problems to be solved
Aiming at the existing Mn 3 O 4 The invention provides Mn based on MES system, which has low production efficiency and unstable quality 3 O 4 The continuous production system can intelligently control equipment according to the reaction process, feed back production information in real time and improve Mn 3 O 4 The production efficiency and the quality stability of the product are improved.
2. Technical scheme
In order to solve the problems, the invention adopts the following technical scheme:
mn based on MES system of the invention 3 O 4 The flexible production system comprises at least one production line, each production line comprises a plurality of production units, and each production unitThe production units have respective identification information, and the system is characterized by further comprising an operation and control unit of an MES system database; at least one material conveying device is arranged between two adjacent production units, each material conveying device is provided with identification information, and the identification information of each material conveying device is associated with the material state; and the information acquisition device is used for acquiring the identification information of the production unit from each production unit and the identification information of the material conveying device from each material conveying device, the control unit is connected with the information acquisition device and carries out information binding on the identification information of each material conveying device received from the information acquisition device and the identification information of the corresponding production unit through an MES system database, and the corresponding production unit is a production unit for receiving all materials related to the identification information of the material conveying device.
Furthermore, the production unit comprises a mixing unit, a reaction unit, a filter pressing unit, a drying unit and a collecting unit, the material conveying device between the mixing unit and the reaction unit comprises at least two first conveying pipes, and each first conveying pipe is provided with an electromagnetic ball valve; the material conveying device between the reaction unit and the filter pressing unit comprises at least two second conveying pipes, and each second conveying pipe is provided with an electromagnetic ball valve; the material conveying device between the filter pressing unit and the drying unit comprises at least one feeder; the material conveying device between the drying unit and the collecting unit comprises at least one third conveying pipe.
Furthermore, the information acquisition device is a code scanning gun, the identification information is carried by a bar code, and the corresponding bar code is attached to the outer surfaces of the production unit and the material conveying device.
Further, the compounding unit is including grinding mechanism and rabbling mechanism, the discharge gate that grinds the mechanism passes through first duct connection with the feed inlet of rabbling mechanism, grind the mechanism including tower mill, ball mill or roller mill, can realize the grinding of material can, rabbling mechanism includes stirred tank, agitator tank or stirred tank, can realize the stirring of material can.
Further, the reaction unit comprises a reaction kettle and an air pump, wherein a feed inlet of the reaction kettle is connected with a discharge outlet of the stirring mechanism, and an air inlet of the air pump is positioned at the lower end of the reaction kettle and used for providing air for reaction.
Furthermore, the filter pressing unit comprises a plate-and-frame filter press, a trolley is arranged above the plate-and-frame filter press and used for unloading plates, and a feeder is arranged below the plate-and-frame filter press and used for conveying filter cakes obtained through filter pressing to the drying unit; the filter press is a plate-and-frame filter press, and can be reverse osmosis equipment, ion exchange equipment, a centrifugal machine and a filter machine which can realize the same functions as the plate-and-frame filter press.
Furthermore, the drying unit comprises a flash evaporation dryer and a combustion furnace, the drying body is cylindrical, a high-speed rotating knife is arranged at the bottom of the drying body, a feed inlet is formed below one side of the drying body and is connected with the feeder terminal, the drying body is communicated with an outlet of the combustion furnace in a connected mode, a discharge outlet is formed above the other side of the drying body, materials are output from the discharge outlet and then enter the collecting unit through a third conveying pipe, and the stirring and crushing mechanism comprises the high-speed rotating knife or stirring teeth.
Furthermore, the collecting unit includes the powder concentrator, the powder concentrator below is equipped with first discharge gate, the below of first discharge gate is equipped with high-pressure air pump, the powder concentrator upper end is passed through the pipeline and is connected with dust removal mechanism A, dust removal mechanism A's end is equipped with extraction mechanism A, extraction mechanism A is by motor drive, dust removal mechanism A below is equipped with the second and says the discharge gate, the lower extreme of first discharge gate and the lower extreme of second way discharge gate pass through the pipe connection, form the air feed by high-pressure air pump.
Furthermore, the control unit is provided with a control platform and terminal equipment, the state of the equipment in the production process is provided with data by the information acquisition device, and the MES system regulates and controls according to the acquired data. The terminal equipment can be a computer, a mobile phone and a tablet, and only an MES system database can be installed.
Still further, still include the storage unit, the storage unit includes the stock chest, the stock chest is located the delivery line of second conveyer pipe.
3. Advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
mn based on MES system 3 O 4 Mn is realized by a MES system in a continuous production system 3 O 4 Can improve Mn 3 O 4 The production efficiency, the process capability index cpk of the main quality characteristics of the product is improved, and the product is more stable and controllable.
Drawings
The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and examples, but it should be understood that these drawings are designed for illustrative purposes only and thus do not limit the scope of the present invention. Furthermore, unless otherwise indicated, the drawings are intended to be illustrative of the structural configurations described herein and are not necessarily drawn to scale.
FIG. 1 shows Mn according to the invention 3 O 4 A schematic structure diagram of a continuous production system;
FIG. 2 is a schematic view of a compounding unit of the present invention;
FIG. 3 is a schematic view of a reaction unit according to the present invention;
FIG. 4 is a schematic view of a storage unit according to the present invention;
FIG. 5 is a schematic view of a filter press unit of the present invention;
FIG. 6 is a schematic view of a drying unit according to the present invention;
FIG. 7 is a schematic view of a collection unit according to the present invention;
FIG. 8 is a schematic view of a control unit according to the present invention;
FIG. 9 is a schematic illustration of the material transfer process of the present invention;
in the figure:
200. a mixing unit; 210. a grinding mechanism; 220. a stirring mechanism;
300. a reaction unit; 310. a reaction kettle; 320. an air pump;
400. a storage unit; 410. a storage tank;
500. a filter pressing unit; 510. a filter press; 520. a trolley; 530. a feeder;
600. a drying unit; 610. a dryer; 620. drying the body; 630. a heater; 640. a stirring and crushing mechanism;
700. a collection unit; 710. selecting a powder machine; 720. a first discharge hole; 730. a second discharge port; 740. a dust remover A; 750. an extraction mechanism A; 760. a high pressure air pump;
900. a manipulation unit; 910. a console; 920. and a display screen.
Detailed Description
The detailed description and exemplary embodiments of the invention will be better understood when read in conjunction with the appended drawings, where the elements and features of the invention are identified by reference numerals.
Example 1
As shown in FIGS. 1 to 8, the MES system based Mn of the present embodiment 3 O 4 The continuous production system comprises at least one production line, wherein each production line comprises a plurality of production units, and each production unit has respective identification information; at least one material conveying device is arranged between two adjacent production units, each material conveying device has respective identification information, and the identification information of each material conveying device is associated with the material state (slurry, wet material and powder exist in the invention); and an information acquiring device for acquiring the identification information of the production unit from each production unit and the identification information of the material conveying device from each material conveying device, wherein the control unit 900 is connected with the information acquiring device and performs information matching on the identification information of each material conveying device received from the information acquiring device and the identification information of the corresponding production unit through an MES system database, and the corresponding production unit is a production unit for receiving all materials associated with the identification information of the material conveying device.
In this embodiment, the production unit includes a mixing unit 200, a reaction unit 300, a filter-pressing unit 500, a drying unit 600, and a collecting unit 700, the material conveying device between the mixing unit 200 and the reaction unit 300 includes at least two first conveying pipes, and each first conveying pipe is provided with an electromagnetic ball valve; the material conveying device between the reaction unit 300 and the filter pressing unit 500 comprises at least two second conveying pipes, and each second conveying pipe is provided with an electromagnetic ball valve; the material conveying device between the filter pressing unit 500 and the drying unit 600 comprises at least one feeder; the material conveying means between the drying unit 600 and the collecting unit 700 comprises at least one third conveying pipe. All be provided with the tee bend at the discharge gate of compounding unit, reaction unit, first conveyer pipe and second conveyer pipe all can be connected so far, then control the intercommunication through the electromagnetism ball valve. Furthermore, in some cases, it is also possible to manually connect the corresponding delivery tube to the corresponding production unit.
1) The mixing unit 200: the material mixing unit 200 comprises a vertical tower mill, a horizontal ball mill, a roller mill and three matched stirring tanks, wherein a discharge port of the vertical tower mill is connected with a feed port of each stirring tank through a pipeline;
2) The reaction unit 300: the reaction unit 300 comprises three reaction kettles 310 and an air pump 320, wherein a feed inlet of each reaction kettle 310 is connected with a discharge outlet of the stirring tank, and an air inlet of the air pump 320 is positioned at the lower end of each reaction kettle 310;
3) The storage unit 400: the storage unit 400 comprises three storage tanks 410, and the storage tanks 410 are positioned on the conveying line of the second conveying pipe;
4) The filter pressing unit 500: the filter pressing unit 500 comprises a three-platen frame filter press 510, a trolley 520 is arranged above the frame filter press 510, and a feeder 530 is arranged below the frame filter press 510 and used for conveying filter cakes obtained by filter pressing to the drying unit 600;
5) The drying unit 600: the drying unit 600 comprises three flash dryers 610, each flash dryer 610 comprises a drying body 620 and a combustion furnace 630, each drying body 620 of each flash dryer 610 is cylindrical, a high-speed rotating knife 640 is arranged at the bottom of each drying body 620, a feeding port is arranged below one side of each drying body 620 and is connected with a terminal of a feeding machine 530, each drying body 620 is connected and communicated with an outlet of the combustion furnace 630, a discharging port is arranged above the other side of each drying body 620, and materials are output from the discharging ports and then enter the collecting unit 700 through a third conveying pipe;
6) The collection unit 700: the collecting unit 700 comprises a powder concentrator 710, a first discharge hole 720 is arranged below the powder concentrator 710, a high-pressure air pump 760 is arranged below the first discharge hole 720, the upper end of the powder concentrator 710 is connected with a dust removing mechanism A740 through a pipeline, the dust removing mechanism A740 is connected with an extracting mechanism A750 through a pipeline, the extracting mechanism A750 is driven by a motor, a second discharge hole 730 is arranged below the dust removing mechanism A740, the lower end of the first discharge hole 720 is connected with the lower end of the second discharge hole 730 through a pipeline, and air feeding is formed by the high-pressure air pump 760;
7) The manipulation unit 900: the control unit 900 is provided with a console 910 and a computer 920, the state of the equipment in the production process is provided with data by the information acquisition device, and the MES system performs regulation and control according to the acquired data.
It should be noted that in the actual production process, the number of production units can be increased to meet the actual production requirement. Mn in the prior art 3 O 4 The production equipment of each process is connected one to one by using pipelines, so that the material circulation is realized. But based on different Mn 3 O 4 For Mn 3 O 4 For example, when the grinding mechanism is a vertical mill, the obtained material is thick, when a ball mill is adopted, the obtained material is thin, and when the reaction is carried out, the materials with different fineness need to be respectively conveyed to different reaction kettles for reaction to obtain Mn 3 O 4 . The production line needs many-to-many production processes, and the production requirements cannot be met by adopting a one-to-one conveying mode, so that the production process is combined with the MES system, the identification information of each material conveying device received by the information acquisition device is matched with the identification information of the corresponding production unit through the MES system database, and Mn is realized 3 O 4 And is suitable for many-to-many cross production, as shown in fig. 9.
In addition, in the whole production process of the system, the change of materials is changed from blocky materials to slurry materials, the slurry materials are subjected to filter pressing to form wet materials, and the wet materials are dried to form powder materials.
Further, the information acquisition device is a code scanning gun, the identification information is borne by a bar code, and the corresponding bar code is attached to the outer surfaces of the production unit and the material conveying device. The identification information comprises parameters of main content equipment and physical parameters of raw material products, the code scanning gun obtains the information, the information is matched with the information of the material conveying device, if the information is successfully matched, the material conveying device supplies materials for the production unit, continuous production is achieved, and therefore the current independent working mode of multiple units is achieved.
In this embodiment, thermistor temperature sensors are respectively disposed inside the reaction kettle 310, the drying body 620, the outlet of the combustion furnace 630, and the feed inlet of the dust removing mechanism a 740; be equipped with siemens pressure sensor QBE9103-P25U on dust removal mechanism A740's the feed inlet and the pipeline of connecting extraction mechanism A750 respectively, reation kettle 310 inboard and stock chest 410 inboard are equipped with Omron/ohm dragon level sensor respectively, reation kettle 310 inboard is equipped with mertler-many pH sensor of support, first conveyer pipe between rabbling mechanism 220 and the reation kettle 310 is equipped with the anticorrosive type electromagnetic flowmeter of sodium check, and reation kettle 310 and second conveyer pipe between stock chest 410, stock chest 410 and the filter press 510 are equipped with the anticorrosive type electromagnetic flowmeter of sodium check, and the pipeline between reation kettle 310 and the air pump 320 is equipped with the anticorrosive type electromagnetic flowmeter of sodium check, temperature sensor, pressure sensor, level sensor, pH sensor and flowmeter all with terminal equipment 920 electrical connection.
More specifically, the Mn is based on MES system 3 O 4 The continuous production system comprises the following processes:
s1: modeling: inputting production parameters into a manipulation unit 900 comprising an MES system database;
s2: mixing materials: selecting a specified mixing unit 200, conveying the materials to a tower mill 210 after the materials enter the mixing unit 200, and conveying the materials to a stirring tank 220 for material mixing after the materials are milled to specified parameters;
s3: reaction: after the raw materials are processed by the mixing unit 200, the reaction kettle 310 and a material conveying device input into the reaction kettle 310 are matched according to the conditions required by the reaction, and the reaction is stopped after the reaction reaches the specified pH;
s4: storing materials: after the reaction is finished, determining whether the materials can be discharged or not by the MES system according to the liquid level information of the material storage unit 400;
s5: and (3) filter pressing: based on the liquid level information of the storage tank 410, the MES system determines that the filter press unit 500 is automatically fed;
s6: and (3) drying: according to the equipment state, the material obtained by the S5 pressure filtration is transmitted to a drying unit 600 for drying;
s7: collecting: the material obtained in S6 is collected in the collecting unit 700, and the material may be directly collected or collected after being processed by the powder concentrator 710.
(1) Mixing materials: the manganese metal flakes (purity of 99.7% or more) are ground to a particle size (D) by a tower mill 210 50 ) Manganese slurry with the particle size of 1-20 mu m can be detected by a laser particle size analyzer, and enters a stirring tank 220 for stirring, when the ratio of balls, manganese sheets and pure water is (2-5): 1: (1-3), stirring at the rotating speed of 30-100 rpm/s for 1-2 h, and feeding into a reaction kettle 310 through a pipeline;
(2) reaction: when the reaction kettle 310 is started to stir, the stirring speed is 100-300 rpm, the ground slurry is pumped into the reaction kettle 310, pure water is supplemented until the solid content is 10-40 wt%, ammonium salt is added, wherein the ammonium salt can be one or more of ammonium chloride, ammonium sulfate and ammonium nitrate, the dosage of the ammonium salt is 0.3-3 wt% of the weight of the manganese metal, and the manganese metal is converted into manganese hydroxide by utilizing the catalytic action of the ammonium salt; air is pumped in through an air pump 320 with the flow rate of 200-500m 3 Oxidizing manganese hydroxide into mangano-manganic oxide by using air, controlling the pH value to be 6-8.5 and the temperature to be 50-80 ℃ in the reaction process, finishing the reaction after 10-18 h, monitoring the reaction pH value by using a pH sensor, and in addition, in order to prevent reaction abnormityWhen the temperature exceeds 90 ℃, the system alarms;
(3) storing materials: the reacted slurry is pumped into a storage tank 410 by a pump and is used for storing materials to be filtered, a stirring device is arranged in the storage tank 410, the rotating speed is 60-150 rpm/s, so that the mixture is kept uniform, bottom sinking is avoided, and an alarm is given when the liquid level exceeds 85%;
(4) and (3) filter pressing: the mixture in the storage tank 410 is conveyed into the plate-and-frame filter press 510 through a pump, the mixture is fed → washed → pressed in the plate-and-frame filter press 510 to obtain a filter cake, the plate-and-frame is removed by the trolley 520, the filter cake between the plate-and-frame falls on the feeder 530, the filter cake is conveyed to the dryer 610 by the feeder 530, and the speed of the feeder 530 is 2-4 m/min;
(5) and (3) drying: the filter cake enters a dryer 610, and is dried by blowing air from a combustion furnace 630 in the descending process, wherein the temperature of the combustion furnace 630 is 350-500 ℃, the filter cake dropped with the inlet air pressure of-500 to-100 Pa at the furnace mouth of the combustion furnace 630 is broken by a high-speed rotating knife 640, the frequency of the high-speed rotating knife is 20-50 Hz, the broken material is output upwards through a pipeline under the negative pressure action of a dust remover 740, and the outlet temperature is 120-150 ℃;
(6) collecting: after the material is output by the dryer 610, the material is screened under the centrifugal action of the powder concentrator 710, the material with larger mass sinks to the bottom and is output by the first discharge port 720, the material with smaller mass is easily lifted under the action of negative pressure and is upwards output by a pipeline, and after being output by the second discharge port 730 under the action of the bag type dust remover A740, the material is mixed with the material at the first discharge port 720 through a conveying device, wherein the air outlet temperature of the bag type dust remover A740 is 100-120 ℃, and the air outlet pressure is-3500-1500 Pa.
Preparation of Mn by manganese salt method 3 O 4 Compared with a manganese sheet method, the method does not comprise the step (1) of mixing materials; in the reaction process of the step (2), under the condition of starting stirring, the manganese salt solution and the alkali liquor flow to the reaction kettle 310 in parallel, and the rest steps are the same as the manganese sheet method. The manganese salt solution comprises one of manganese sulfate, manganese chloride or manganese nitrate, and the concentration is 0.1-2.5 mol/L; the alkali liquor comprises ammonia water, sodium hydroxide or potassium hydroxide solution with the concentration of 0.1-2.5 mol/LIn the embodiment, a manganese sulfate solution with a concentration of 1.5mol/L is used as a manganese salt solution, an ammonia water solution is used as an alkali solution, and the ammonia water is prepared from industrial ammonia water with a concentration of 10-22 wt%.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. Mn based on MES system 3 O 4 A continuous production system comprising at least one production line, each production line comprising a plurality of production units, each production unit having respective identification information, characterized in that the system further comprises a control unit (900) of an MES system database; at least one material conveying device is arranged between two adjacent production units, each material conveying device is provided with identification information, and the identification information of each material conveying device is associated with the material state; the control unit (900) is connected with the information acquisition device, and carries out information matching on the identification information of each material conveying device received from the information acquisition device and the identification information of the corresponding production unit through an MES system database, wherein the corresponding production unit is a production unit for receiving all materials related to the identification information of the material conveying device;
the production unit comprises a mixing unit (200), a reaction unit (300), a storage unit (400), a filter pressing unit (500), a drying unit (600) and a collecting unit (700), the material conveying device between the mixing unit (200) and the reaction unit (300) comprises at least two first conveying pipes, and each first conveying pipe is provided with an electromagnetic ball valve; the material conveying device between the reaction unit (300) and the filter pressing unit (500) comprises at least two second conveying pipes, and each second conveying pipe is provided with an electromagnetic ball valve; the material conveying device between the filter pressing unit (500) and the drying unit (600) comprises at least one feeding machine; the material conveying device between the drying unit (600) and the collecting unit (700) comprises at least one third conveying pipe; the information acquisition device is a code scanning gun, the identification information is carried by a bar code, and the corresponding bar code is attached to the outer surfaces of the production unit and the material conveying device;
the mixing unit (200) comprises a grinding mechanism (210) and a stirring mechanism (220), wherein a discharge hole of the grinding mechanism (210) is connected with a feed inlet of the stirring mechanism (220) through a first conveying pipe; the reaction unit (300) comprises a reaction kettle (310) and an air pump (320), wherein a feed inlet of the reaction kettle (310) is connected with a discharge outlet of the stirring mechanism (220), and an air inlet of the air pump (320) is positioned at the lower end of the reaction kettle (310); the drying unit (600) comprises a flash dryer (610), a drying body (620) of the flash dryer (610) is communicated with an outlet of a combustion furnace (630), the storage unit (400) comprises a storage tank (410), and the storage tank (410) is positioned on a conveying line of a second conveying pipe; the collecting unit (700) comprises a dust removing mechanism A (740), an extracting mechanism A (750) is arranged at the tail end of the dust removing mechanism A (740), the control unit (900) is provided with a control platform (910) and terminal equipment (920), the state of the equipment in the production process is provided with data by the information acquiring device, and the MES system regulates and controls according to the acquired data;
temperature sensors are respectively arranged on the inner side of the reaction kettle (310), the inner side of the drying body (620), the outlet of the combustion furnace (630) and the feed inlet of the dust removal mechanism A (740); pressure sensors are respectively arranged on a feed inlet of the dust removal mechanism A (740) and a pipeline connected with the extraction mechanism A (750), liquid level sensors are respectively arranged on the inner sides of the reaction kettle (310) and the material storage tank (410), a pH sensor is arranged on the inner side of the reaction kettle (310), a flowmeter is arranged on a first conveying pipe between the stirring mechanism (220) and the reaction kettle (310), flowmeters are arranged on second conveying pipes between the reaction kettle (310) and the material storage tank (410), between the material storage tank (410) and the plate-and-frame filter press (510), a flowmeter is arranged on a pipeline between the reaction kettle (310) and the air pump (320), and the temperature sensor, the pressure sensors, the liquid level sensors, the pH sensors and the flowmeters are all electrically connected with terminal equipment (920);
the Mn based on MES system 3 O 4 The continuous production system also comprises the following process steps:
s1, modeling: inputting production parameters into a manipulation unit (900) comprising an MES system database;
s2, mixing materials: selecting a specified mixing unit (200), conveying the materials to a grinding mechanism (210) after the materials enter the mixing unit (200), grinding the materials to specified parameters, and conveying the materials to a stirring mechanism (220) for mixing the materials;
s3, reaction: after the raw materials are processed by the mixing unit (200), the reaction kettle (310) and a material conveying device input into the reaction kettle (310) are matched according to the conditions required by the reaction, and the reaction is stopped after the reaction reaches the specified pH; controlling the pH value to be 6-8.5 and the temperature to be 50-80 ℃ in the reaction process, finishing the reaction after 10-18 h, monitoring the reaction pH value by a pH sensor and the temperature by a temperature sensor, and giving an alarm by a system when the temperature exceeds 90 ℃;
s4, storing: after the reaction is finished, determining whether the materials can be discharged or not by the MES system according to the liquid level information of the material storage unit (400);
s5, filter pressing: according to the liquid level information of the storage tank (410), the MES system determines that the filter pressing unit (500) automatically feeds, the liquid level of the storage tank (410) is monitored by a liquid level sensor, and an alarm is given when the liquid level exceeds 85% in the storage process;
s6, drying: according to the equipment state, transmitting the material obtained by S5 pressure filtration to a drying unit (600) for drying;
s7, collecting: and collecting the material obtained in the S6 in a collecting unit (700).
2. An MES system based Mn as claimed in claim 1 3 O 4 Continuous production system, characterized in that the filter press unit (500) comprises a plate and frame filter press (510),the plate-and-frame filter press (510) is provided with a trolley (520) in a matching way, and a feeder (530) is arranged below the plate-and-frame filter press.
3. An MES system based Mn as claimed in claim 2 3 O 4 The continuous production system is characterized in that the drying unit (600) comprises a flash dryer (610), a drying body (620) of the flash dryer (610) is cylindrical, a high-speed rotating knife (640) is arranged at the bottom of the drying body, a feeding hole is formed below one side of the drying body (620) and is connected with a terminal of a feeding machine (530), the drying body (620) is communicated with an outlet of a combustion furnace (630), a discharging hole is formed above the other side of the drying body (620), and materials are output from the discharging hole and then enter the collecting unit (700) through a third conveying pipe.
4. An MES system based Mn as claimed in claim 3 3 O 4 The continuous production system is characterized in that the collecting unit (700) comprises a powder concentrator (710), a first discharge hole (720) is formed below the powder concentrator (710), and a high-pressure air pump (760) is arranged below the first discharge hole (720); the extraction mechanism A (750) is driven by a motor, a second discharge port (730) is arranged below the dust removal mechanism A (740), the lower end of the first discharge port (720) is connected with the lower end of the second discharge port (730) through a pipeline, and air conveying is formed by a high-pressure air pump (760).
5. An MES system based Mn as claimed in claim 4 3 O 4 The continuous production system is characterized in that materials are directly collected or are collected after being processed by a powder concentrator (710).
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