CN216513557U - System for utilize magnesite powder to make light-burned magnesium powder - Google Patents
System for utilize magnesite powder to make light-burned magnesium powder Download PDFInfo
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- CN216513557U CN216513557U CN202122881903.3U CN202122881903U CN216513557U CN 216513557 U CN216513557 U CN 216513557U CN 202122881903 U CN202122881903 U CN 202122881903U CN 216513557 U CN216513557 U CN 216513557U
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Abstract
The utility model discloses a system for manufacturing light-burned magnesium powder by using magnesite powder, and relates to the technical field of manufacturing light-burned magnesium powder. The three systems exist independently and respectively process different materials; the method is more environment-friendly and can treat waste residues more timely; three quality products are produced simultaneously, and users have more choices; more complete, the utilization rate is higher, and the method is more complete.
Description
Technical Field
The utility model relates to the technical field of light-burned magnesium powder manufacturing, in particular to a system for manufacturing light-burned magnesium powder by using magnesite powder.
Background
The light burned magnesium powder is widely used in the fields of building materials, chemical industry, agriculture, light industry, environment-friendly metallurgy, medicine and the like, and is a basic raw material for producing fireproof plates, light partition boards, magnesium sulfate, papermaking, a sulfur removal process, furnace protection splashing slag of steel mills and the like. Magnesite ore is the main raw material for producing light-burned magnesia, and is decomposed by high-temperature calcination to discharge carbon dioxide, so that light-burned magnesia powder is obtained. The light-burned magnesia can be produced by adopting a method of sintering in a high-temperature boiling kiln, can also be produced by adopting a method of sintering in a light-burned reflecting kiln, and can also be produced by adopting a method of calcining in a suspension furnace. The existing production equipment or process method has requirements on production raw materials, such as: the granularity of the raw materials used by the high-temperature boiling kiln needs fine powder smaller than 200 meshes, while the granularity of the raw materials used by the light-burning reflecting kiln needs lump materials larger than 200mm, so that the raw materials can only be used, and different materials cannot be treated differently; in the existing production equipment or process, the waste residues after flotation need to be deeply buried, so that the environmental pollution is caused; 30% of magnesite powder and grains are generated in mining operation, and the raw ore is basically discarded or used for paving, thereby even causing resource waste and environmental pollution; in addition, the temperature of the finished product produced by the existing production equipment or process method is too high, and the finished product is not easy to recycle. There is a need for an apparatus or method that can produce different materials, which is convenient to operate, does not pollute the environment, and has good recycling or packaging of the finished product.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a system for manufacturing light-burned magnesium powder by using magnesite powder, so as to solve the technical problems.
In order to achieve the above purpose, the utility model provides the following technical scheme:
the system for manufacturing the light-burned magnesium powder by using the magnesite powder comprises a concentrate powder system, a raw ore powder system and a tailing powder system, wherein the concentrate powder system comprises a concentrate powder feeding system, a concentrate powder light-burning system, a fine grinding system and a ball pressing system which are sequentially connected in sequence, the raw ore powder system comprises a raw ore powder feeding system and a raw ore powder light-burning system which are sequentially connected in sequence, and the tailing powder system comprises a tailing powder feeding system and a tailing powder light-burning system which are sequentially connected in sequence.
Furthermore, the concentrate powder feeding system comprises a concentrate powder bin, a concentrate powder double-screw conveyor, a concentrate powder measuring belt and a concentrate powder conveying belt which are connected in sequence, wherein the concentrate powder bin, the concentrate powder double-screw conveyor and the concentrate powder measuring belt are respectively provided with three groups, and the concentrate powder bin is used for receiving raw materials of a flotation concentrate storehouse;
the concentrate powder light burning system comprises a concentrate powder spiral feeder, a concentrate powder flash dryer, a concentrate powder cyclone separator, a concentrate powder pulse bag type dust remover, a concentrate powder spiral conveyor, a concentrate powder secondary preheating cyclone separator, a concentrate powder three-stage preheating cyclone separator, a concentrate powder calcining furnace, a concentrate powder high-temperature recovery cyclone separator, a concentrate powder primary cooling cyclone separator, a concentrate powder secondary cooling cyclone separator and a concentrate powder transition bin which are connected in sequence, wherein the concentrate powder spiral feeder is connected with the concentrate powder conveying belt process, the concentrate powder transition bin is connected with a concentrate powder finished product bin process, the concentrate powder light burning system also comprises a concentrate powder primary preheating cyclone separator and a concentrate powder cooling pulse bag type dust remover, and the concentrate powder cyclone separator, the concentrate powder primary preheating cyclone separator and the concentrate powder secondary preheating cyclone separator are connected in sequence, the concentrate powder primary cooling cyclone separator, the concentrate powder cooling pulse bag type dust collector and the concentrate powder transition bin are sequentially connected in a working procedure mode;
the fine grinding system comprises a fine grinding feeding bin, a fine grinding superfine pulverizer, a fine grinding cloth belt and a fine grinding discharging bin which are sequentially connected in sequence, wherein the fine grinding feeding bin is connected with a ton bag packaging machine in a working procedure, and the fine grinding feeding bin is connected with a fine mineral powder finished product bin in a working procedure;
the ball pressing system comprises a ball pressing bin and a ball pressing machine which are connected in a working procedure, and the ball pressing bin is connected with the fine grinding discharging bin in a working procedure.
Further, the raw ore powder feeding system comprises a raw ore powder vibrating feeder, a raw ore powder metering belt, a raw ore powder conveying belt, a raw ore powder rotary air-locking blanking device, a raw ore powder grinding machine, a raw ore powder air box pulse bag dust collector and a raw ore powder sealing scraper which are connected in sequence, wherein the raw ore powder vibrating feeder is used for receiving raw materials of a raw ore raw material storehouse;
the raw ore powder light burning system comprises a raw ore powder spiral feeder, a raw ore powder flash evaporation dryer, a raw ore powder cyclone separator, a raw ore powder pulse bag type dust remover, a raw ore powder spiral conveyor, a raw ore powder primary preheating cyclone separator, a raw ore powder secondary preheating cyclone separator, a raw ore powder three-stage preheating cyclone separator, a raw ore powder calcining furnace, a raw ore powder high-temperature recovery cyclone separator, a raw ore powder primary cooling cyclone separator, a raw ore powder secondary cooling cyclone separator and a raw ore powder transition bin which are connected in sequence, wherein the raw ore powder spiral feeder is connected with a raw ore powder sealing scraper blade process, the raw ore powder transition bin is connected with a raw ore powder finished product bin process, the raw ore powder finished product bin is connected with a finished product bin process of a finished product warehouse, the finished product bin is connected with a ton bag packaging machine process, the raw ore powder light burning system also comprises a raw ore powder primary preheating cyclone separator and a raw ore powder cooling pulse bag type dust remover, the primary ore powder cyclone separator, the primary ore powder primary preheating cyclone separator and the primary ore powder secondary preheating cyclone separator are sequentially connected in a working procedure mode, the primary ore powder primary cooling cyclone separator, the primary ore powder cooling pulse bag type dust collector and the primary ore powder transition bin are sequentially connected in a working procedure mode, and the primary ore powder secondary cooling cyclone separator, the primary ore powder cooling pulse bag type dust collector and the primary ore powder transition bin are sequentially connected in a working procedure mode.
Furthermore, the tailing powder feeding system comprises tailing powder bins, a tailing powder double-screw conveyor, a tailing powder metering belt and a tailing powder conveying belt which are connected in sequence, wherein the tailing powder bins, the tailing powder double-screw conveyor and the tailing powder metering belt are respectively provided with two groups, and the two tailing powder bins are respectively used for receiving waste residues after flotation and raw ore powder crushed by the raw material powder feeding system;
the tailing powder light burning system comprises a tailing powder spiral feeder, a tailing powder flash dryer, a tailing powder cyclone separator, a tailing powder pulse bag type dust remover, a tailing powder spiral conveyor, a tailing powder primary preheating cyclone separator, a tailing powder secondary preheating cyclone separator, a tailing powder tertiary preheating cyclone separator, a tailing powder calcining furnace, a tailing powder high-temperature recovery cyclone separator, a tailing powder primary cooling cyclone separator, a tailing powder secondary cooling cyclone separator and a tailing powder transition bin which are sequentially connected in sequence, wherein the tailing powder spiral feeder is connected with a tailing powder sealing scraper blade process, the tailing powder transition bin is connected with a tailing powder finished product bin process, the tailing powder finished product bin is connected with a finished product bin process of a finished product warehouse, the finished product bin of the finished product warehouse is connected with a ton bag packaging machine process, the tailing powder light burning system further comprises a tailing powder primary preheating cyclone separator and a tailing powder cooling pulse bag type dust remover, the device comprises a tailing powder cyclone separator, a tailing powder primary preheating cyclone separator, a tailing powder secondary preheating cyclone separator, a tailing powder primary cooling cyclone separator, a tailing powder cooling pulse bag type dust remover and a tailing powder transition bin, wherein the tailing powder primary cooling cyclone separator, the tailing powder primary preheating cyclone separator and the tailing powder secondary preheating cyclone separator are sequentially connected in a working procedure mode.
The utility model has the following advantages:
the utility model adopts three sets of systems to carry out different treatments aiming at different materials; the concentrate powder system uses floating powder to carry out light burning treatment, the product directly enters fine grinding, then is pressed into balls, and then enters deep processing after being pressed into balls; the raw ore powder system is characterized in that raw ore is used as a raw material without flotation, the raw ore is crushed and primarily ground in a raw ore powder feeding system and then enters a raw ore powder light burning system for processing, and products can be sold and can be pressed into balls for subsequent processing; the tailing powder system is characterized in that waste residues after flotation, which are deeply buried and pollute the environment in the prior art, are mixed with raw ore powder crushed by a raw ore powder feeding system, the water content is neutralized, and then the waste residues are used as raw materials of the tailing powder system for production, so that the waste residues are utilized, and the environment can be protected; the method has the characteristics of high efficiency, energy conservation, simple operation, negative pressure operation, no pollution to materials and environment, one-time powdering, no need of secondary crushing, good recovery, good ball pressing, good packaging and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art can understand and read the present invention, and do not limit the conditions for implementing the present invention, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the functions and purposes of the present invention, should still fall within the scope covered by the contents disclosed in the present invention.
FIG. 1 is a schematic diagram of a system for producing soft-burned magnesite powder from magnesite powder according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a concentrate powder feeding system of a concentrate powder system of a system for producing light-burned magnesium powder from magnesite powder according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a concentrate powder light-burning system of a concentrate powder system of a system for producing light-burned magnesium powder from magnesite powder according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a fine grinding and ball pressing system of a concentrate powder system of a system for manufacturing light-burned magnesite powder using magnesite powder according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a raw ore powder feeding system of a raw ore powder system of a system for producing light-burned magnesium powder from magnesite powder according to an embodiment of the present invention;
fig. 6 is a schematic diagram of a tailing powder feeding system of a tailing powder system of a system for manufacturing light-burned magnesium powder by using magnesite powder according to an embodiment of the present invention.
In the figure:
1-concentrate powder system, 2-raw mineral powder system, 3-tailings powder system, 10-concentrate powder feeding system, 20-concentrate powder light burning system, 30-fine grinding system, 40-ball pressing system, 50-raw mineral powder feeding system, 60-raw mineral powder light burning system, 70-tailings powder feeding system, 80-tailings powder light burning system, 90-ton bag packing machine, 101-concentrate powder bin, 102-concentrate powder double-screw conveyer, 103-concentrate powder metering belt, 104-concentrate powder conveying belt, 201-concentrate powder spiral feeder, 202-concentrate powder flash evaporation drier, 203-concentrate powder cyclone separator, 204-concentrate powder pulse bag type dust remover, 205-concentrate powder spiral conveyer, 206-concentrate powder secondary preheating cyclone separator, 207-concentrate powder three-stage preheating cyclone separator, 208-concentrate powder calcining furnace, 209-concentrate powder high-temperature recovery cyclone separator, 210-concentrate powder primary cooling cyclone separator, 211-concentrate powder secondary cooling cyclone separator, 212-concentrate powder transition bin, 213-concentrate powder finished product bin, 214-concentrate powder primary preheating cyclone separator, 215-concentrate powder cooling pulse bag type dust remover, 301-fine grinding feeding bin, 302-fine grinding ultrafine powder grinder, 303-fine grinding cloth belt, 304-fine grinding discharging bin, 305-fine grinding bin type pump, 306-fine grinding vertical mill, 401-ball pressing bin, 402-ball pressing machine, 403-ball pressing vibrating screen, 404-ball pressing returning hopper elevator, 501-raw concentrate powder vibrating feeder, 502-raw concentrate powder metering belt, 503-raw ore powder conveying belt, 504-raw ore powder rotary air-locking blanking device, 505-raw ore powder grinding machine, 506-raw ore powder air box pulse bag dust collector, 507-raw ore powder sealing scraper, 508-raw ore powder plate chain hoister, 701-tailing powder bin, 702-tailing powder double-screw conveyor, 703-tailing powder measuring belt and 704-tailing powder conveying belt.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the utility model will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the utility model and that it is not intended to limit the utility model to the particular embodiments disclosed. 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.
In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for clarity of description, and are not intended to limit the scope of the present invention, and changes or modifications in the relative relationship may be made without substantial changes in the technical content.
As shown in fig. 1, the embodiment of the present invention provides a system for producing light-burned magnesite powder by using magnesite powder, which comprises three systems, namely a concentrate powder system 1, a raw ore powder system 2 and a tailing powder system 3; wherein, the raw material of the concentrate powder system 1 comes from a flotation concentrate storehouse, the raw material of raw ore powder comes from a raw ore raw material storehouse, and the raw material of the tailing powder is a mixture of waste residue after flotation and crushed raw ore powder; the three systems perform different treatments on different materials, the concentrate powder system 1 performs light burning treatment by using floating powder, products directly enter fine grinding, then are pressed into balls, and then enter deep processing after being pressed into balls; the raw ore powder system 2 is characterized in that raw ore is used as a raw material without flotation, the raw ore is crushed and primarily ground in a raw ore powder feeding system 50 and then enters a raw ore powder light burning system 60 for processing, and products can be sold and can be pressed into balls for subsequent processing; the tailing powder system 3 is characterized in that the waste residues after flotation, which are deeply buried and pollute the environment in the prior art, are mixed with the raw ore powder crushed by the raw ore powder feeding system 50, the water content is neutralized, and then the waste residues are used as the raw materials of the tailing powder system 3 for production, so that the waste residues are utilized, and the environment can be protected; the method has the characteristics of high efficiency, energy conservation, simple operation, negative pressure operation, no pollution to materials and environment, one-time powdering, no need of secondary crushing, good recovery, good ball pressing, good packaging and the like.
Referring to fig. 1, a concentrate powder system 1 includes a concentrate powder feeding system 10, a concentrate powder light burning system 20, a fine grinding system 30, and a ball pressing system 40, which are connected in sequence.
Referring to fig. 2, the concentrate powder feeding system 10 includes a concentrate powder bin 101, a concentrate powder double-screw conveyor 102, a concentrate powder measuring belt 103, and a concentrate powder conveying belt 104, which are connected in sequence. Three groups of concentrate powder bins 101, concentrate powder double-helix conveyors 102 and concentrate powder measuring belts 103 are arranged. The concentrate powder bin 101 is used for receiving raw materials of a flotation concentrate storehouse, the raw materials are concentrate powder and are generally provided by a flotation plant, the concentrate powder is conveyed to the flotation concentrate storehouse through a closed belt gallery and then is conveyed into the concentrate powder bin 101 through a closed conveying belt, a cloth bag dust remover is not arranged at the top of the concentrate powder bin 101 due to the fact that the water content of the concentrate powder is high and dust is not prone to forming, and a feeding system is continuous operation.
Referring to fig. 3, the fine ore light burning system 20 includes a fine ore spiral feeder 201, a fine ore flash dryer 202, a fine ore cyclone 203, a fine ore pulse bag type dust collector 204, a fine ore spiral conveyor 205, a fine ore secondary preheating cyclone 206, a fine ore tertiary preheating cyclone 207, a fine ore calciner 208, a fine ore high temperature recovery cyclone 209, a fine ore primary cooling cyclone 210, a fine ore secondary cooling cyclone 211 and a fine ore transition bin 212, the fine ore spiral feeder 201 is connected with a fine ore conveying belt 104, the fine ore transition bin 212 is connected with a fine ore finished product bin 213, the fine ore light burning system 20 further includes a fine ore primary preheating cyclone 214 and a fine ore cooling pulse bag type dust collector 215, the fine ore cyclone 203, the fine ore primary preheating cyclone 214 and the fine ore secondary preheating cyclone 206 are connected in sequence, the concentrate powder primary cooling cyclone separator 210, the concentrate powder cooling pulse bag-type dust collector 215 and the concentrate powder transition bin 212 are sequentially connected in sequence, and the concentrate powder secondary cooling cyclone separator 211, the concentrate powder cooling pulse bag-type dust collector 215 and the concentrate powder transition bin 212 are sequentially connected in sequence. The concentrate powder in the concentrate powder bin 101 is continuously conveyed into a concentrate powder flash dryer 202 (the inlet hot air temperature is 450-550 ℃) through a concentrate powder spiral feeder 201, wherein the heat source of the concentrate powder flash dryer 202 is introduced from the residual heat of a calcining furnace under negative pressure. In the concentrate powder flash evaporation dryer 202, under the combined action of the main machine rotating blades and the high-speed hot air flow, the wet material is rapidly dispersed into powder, and the water contained in the concentrate powder is dried and dehydrated to be less than or equal to 0.5-1% within 3-5 seconds. The dried mixture of the material and the flue gas is sequentially brought into a concentrate powder cyclone 203 by the airflow to perform gas-solid separation (dust collection) and dust removal by a concentrate powder pulse bag type dust collector 204. The tail gas is purified by a concentrate powder pulse bag type dust collector 204, is led out by a draught fan (the outlet temperature is about 150 ℃) and is discharged by 1 high-exhaust funnel with the height of 38 m. The project is provided with an online monitoring device for monitoring the pollutant emission concentration in real time. The dry mineral aggregate powder collected from the discharge port of the concentrate powder cyclone 203 sequentially enters the concentrate powder primary preheating cyclone 214, the concentrate powder secondary preheating cyclone 206 and the concentrate powder tertiary preheating cyclone 207, the dry mineral aggregate dust collected by the bag-type dust collector sequentially enters the concentrate powder secondary preheating cyclone 206 and the concentrate powder tertiary preheating cyclone 207, the temperature of the material is raised to 300-400 ℃, and at the moment, the moisture in the material is basically removed. The dry mineral materials from the concentrate powder three-stage preheating cyclone separator 207 fall into a screw feeder of the concentrate powder calcining furnace 208 through a high-temperature discharge valve, and the materials enter the concentrate powder calcining furnace 208 from a feeding port at the bottom of the rotational flow dynamic calcining furnace by the screw feeder (in a fully closed negative pressure state, no dust is leaked out, and in addition, the automatic control of full-line equipment can be realized). In the concentrate powder calcining furnace 208, high-temperature gas is mixed with dry mineral powder which is tangentially added by a conveyor in the process of rotating and rising from the bottom of the furnace, the powder is instantly dispersed by high-temperature airflow in the furnace, the powder is in a high-speed rotating and rising airflow state at 900 ℃, the mineral powder (MgCO3) is decomposed into magnesium oxide (MgO) with multi-aperture particles in arrangement in the process of rapid mass transfer and heat transfer, and the calcining process is completed within 3-5 s. After calcination, clinker (MgO) enters a concentrate powder high-temperature recovery cyclone separator 209 for waste heat recovery from an outlet of the concentrate powder calciner 208 along with negative pressure airflow, and then enters a concentrate powder primary cooling cyclone separator 210 and a concentrate powder secondary cooling cyclone separator 211 for gas-solid separation (dust collection). The specific gas-solid separation process is as follows: hot air exhausted from an air outlet of the concentrate powder primary cooling cyclone separator 210 is sent to three cyclone preheaters in a front-stage mineral aggregate predrying link as heat sources to enter a dryer to dry materials, the temperature of tail gas after the dryer is reduced to about 150 ℃, the tail gas is subjected to two-stage purification treatment of dust collection of the concentrate powder cyclone drying separator and dust collection of a concentrate powder pulse bag type dust collector 204, and the tail gas is exhausted through a 1-38 m high suspension furnace waste gas exhaust funnel by a draught fan. MgO powder separated from a discharge port of a concentrate powder primary cooling cyclone separator 210 firstly enters a negative pressure air cooling system, after the material is cooled to 60-80 ℃, gas-solid separation (dust collection) is carried out on the material through a concentrate powder secondary cooling cyclone separator 211 and dust is generated by a concentrate powder cooling pulse bag type dust collector 215, the dust is purified and then discharged through a 38m high exhaust funnel P3, the dust collected by the concentrate powder secondary cooling cyclone separator 211 and the concentrate powder cooling pulse bag type dust collector 215 is calcined finished product high-activity light burned magnesia powder, the calcined product high-activity light burned magnesia powder is discharged into a concentrate powder buffer bin (indoor) through a rotary discharge valve, the concentrate powder buffer bin plays a role in pressure relief, and the material in the buffer bin is pneumatically conveyed to a concentrate powder finished product bin 213 (outdoor). The hot air replaced by the negative pressure air cooling system (in the cooling cyclone separator) is supplied to the secondary air of the combustion chamber, the tail gas of the dust generated by the feeding of the concentrate powder buffering bin is discharged to the pulse type bag-type dust remover after being treated by the bin top dust remover, and the tail gas is used as cooling air for cooling the material and finally discharged by an exhaust funnel with the length of 38 m.
Referring to fig. 4, the fine grinding system 30 includes a fine grinding feed bin 301, a fine grinding ultrafine pulverizer 302, a fine grinding cloth belt 303 and a fine grinding discharge bin 304 which are connected in sequence, wherein the fine grinding feed bin 301 is connected with the ton bag packing machine 90 in sequence, and the fine grinding feed bin 301 is connected with a concentrate powder finished product bin 213 in sequence. The high-activity light-burned magnesia powder in the finished product bin 213 of the fine mineral powder of the project enters a transition bin in a ball pressing workshop through pneumatic conveying, is conveyed to a fine grinding feeding bin 301 through pneumatic conveying again, enters an ultrafine grinding machine for fine grinding under the action of gravity, is classified into the high-activity light magnesia powder with the particle size of below 400 meshes (the particle size is 400 meshes to 800 meshes, and the like) through a high-efficiency classifier, enters a fine grinding cloth belt 303 through pneumatic conveying, and then enters a fine grinding discharging bin 304.
Referring to fig. 4, the ball pressing system 40 includes a ball pressing bin 401 and a ball pressing machine 402 which are connected in sequence, and the ball pressing bin 401 is connected in sequence with the fine grinding discharge bin 304. The fine grinding discharge bin 304 is pneumatically conveyed to enter a ball pressing bin 401, the ball pressing bin 401 is divided into two parts, a partition is arranged in the middle, one part is a positive bin for storing high-activity light-burned magnesia powder, and the other part is a return bin for storing unqualified balls. The materials enter a ball press 402 under the action of gravity, the balls are pressed by a high-pressure dry method, the pressed product balls are conveyed to a ball press vibrating screen 403 through a conveyor belt, the screened qualified magnesium balls are conveyed to a product area in a ball press workshop through the conveyor belt to be sold, and unqualified magnesium balls are returned to a return bin in a ball press bin 401 through a ball press by an elevator 404 to be pressed again. All the bins in the ball pressing system 40 are matched with bin top dust collectors.
Referring to fig. 1, the raw ore powder system 2 includes a raw ore powder feeding system 50 and a raw ore powder light burning system 60 connected in sequence.
Referring to fig. 5, the raw ore powder feeding system 50 includes a raw ore powder vibrating feeder 501, a raw ore powder measuring belt 502, a raw ore powder conveying belt 503, a raw ore powder rotary air-locking discharger 504, a raw ore powder mill 505, a raw ore powder gas box pulse bag dust collector 506 and a raw ore powder sealing scraper 507, which are connected in sequence, and the raw ore powder vibrating feeder 501 is used for receiving raw materials of a raw ore raw material warehouse. The raw ore is conveyed to a raw ore grinding machine 505 through a raw ore powder vibrating feeder 501, a raw ore powder metering belt 502, a raw ore powder conveying belt 503 and a raw ore powder rotary air-locking blanking device 504, and is conveyed to a raw ore bin of a raw ore calcining system through a raw ore powder sealing scraper 507 after being subjected to primary grinding recovery, and the feeding system is in continuous operation; in the raw ore powder mill 505, the material with larger particle size is conveyed from the bottom of the raw ore powder mill 505 to the raw ore powder plate chain hoisting machine 508 through the belt conveyor, returned to the raw ore powder conveying belt 503, and then enters the raw ore powder mill 505 to be crushed through the raw ore powder rotary air-locking blanking device 504.
The raw ore powder light burning system 60 is basically the same as the concentrate powder light burning system 20, and the calcining process refers to the calcining process of the concentrate powder light burning system 20. The raw ore powder light burning system 60 comprises a raw ore powder spiral feeder, a raw ore powder flash evaporation dryer, a raw ore powder cyclone separator, a raw ore powder pulse bag type dust remover, a raw ore powder spiral conveyor, a raw ore powder primary preheating cyclone separator, a raw ore powder secondary preheating cyclone separator, a raw ore powder three-stage preheating cyclone separator, a raw ore powder calcining furnace, a raw ore powder high-temperature recovery cyclone separator, a raw ore powder primary cooling cyclone separator, a raw ore powder secondary cooling cyclone separator and a raw ore powder transition bin which are connected in sequence, wherein the raw ore powder spiral feeder is connected with a raw ore powder sealing scraper 507 procedure, the raw ore powder transition bin is connected with a raw ore powder finished product bin procedure, the raw ore powder finished product bin is connected with a finished product bin procedure of a finished product bin, the finished product bin of a finished product bin is connected with a ton bag packaging machine 90 procedure, the raw ore powder light burning system 60 further comprises a raw ore powder primary preheating cyclone separator and a raw ore powder cooling pulse bag type dust remover, the primary ore powder cyclone separator, the primary ore powder preheating cyclone separator and the primary ore powder secondary preheating cyclone separator are sequentially connected in a working procedure mode, the primary ore powder cooling cyclone separator, the primary ore powder cooling pulse bag type dust collector and the primary ore powder transition bin are sequentially connected in a working procedure mode, and the primary ore powder secondary cooling cyclone separator, the primary ore powder cooling pulse bag type dust collector and the primary ore powder transition bin are sequentially connected in a working procedure mode.
Referring to fig. 1, the tailing powder system 3 includes a tailing powder feeding system 70 and a tailing powder light-burning system 80, which are connected in sequence.
Referring to fig. 6, the tailing powder feeding system 70 is substantially the same as the concentrate powder feeding system 10, and includes a tailing powder bin 701, a tailing powder double-screw conveyor 702, a tailing powder metering belt 703 and a tailing powder conveying belt 704, which are connected in sequence; the difference is that two sets of tailing powder bins 701, a tailing powder double-screw conveyor 702 and a tailing powder metering belt 703 are arranged, and the two tailing powder bins 701 are respectively used for receiving waste residues after flotation and raw ore powder crushed by a raw material powder feeding system. The raw materials are two parts, wherein one part is waste residues after flotation, the waste residues are conveyed to a raw material bin through a closed belt gallery of a plate-and-frame filter press, then the waste residues are conveyed to a metering belt through a closed conveying belt and conveyed to a mixer through a belt, the other part is crushed raw mineral powder, and the raw mineral powder is conveyed to the mixer through a raw mineral powder sealing scraper 507; after the two materials are mixed by the mixer, the two materials enter a belt conveyor and are conveyed to a tailing powder bin 701.
The tailing powder light burning system 80 is basically consistent with the concentrate powder light burning system 20, and the calcining process refers to the calcining process of the concentrate powder light burning system 20. The tailing powder light burning system 80 comprises a tailing powder spiral feeder, a tailing powder flash dryer, a tailing powder cyclone separator, a tailing powder pulse bag type dust remover, a tailing powder spiral conveyor, a tailing powder primary preheating cyclone separator, a tailing powder secondary preheating cyclone separator, a tailing powder tertiary preheating cyclone separator, a tailing powder calcining furnace, a tailing powder high-temperature recovery cyclone separator, a tailing powder primary cooling cyclone separator, a tailing powder secondary cooling cyclone separator and a tailing powder transition bin which are connected in sequence, wherein the tailing powder spiral feeder is connected with a tailing powder sealing scraper procedure, the tailing powder transition bin is connected with a tailing powder finished product bin procedure, the tailing powder finished product bin is connected with a finished product bin procedure of the finished product bin, the finished product bin of the finished product bin is connected with a ton bag type packaging machine 90 procedure, the tailing powder light burning system 80 further comprises a tailing powder primary preheating cyclone separator and a tailing powder cooling pulse bag type dust remover, the tailing powder cyclone separator, the tailing powder primary preheating cyclone separator and the tailing powder secondary preheating cyclone separator are sequentially connected in a working procedure mode, the tailing powder primary cooling cyclone separator, the tailing powder cooling pulse bag type dust collector and the tailing powder transition bin are sequentially connected in a working procedure mode, and the tailing powder secondary cooling cyclone separator, the tailing powder cooling pulse bag type dust collector and the tailing powder transition bin are sequentially connected in a working procedure mode.
The embodiment of the utility model also provides a method for manufacturing light-burned magnesium powder by using magnesite powder, which is combined with the system for manufacturing light-burned magnesium powder by using concentrate powder shown in figures 1-6, wherein the method comprises three sets of methods, namely a method for manufacturing light-burned magnesium powder by using concentrate powder, a method for manufacturing light-burned magnesium powder by using raw ore powder and a method for manufacturing light-burned magnesium powder by using tailing powder, and the methods correspond to the three sets of systems. The three methods carry out different treatments aiming at different materials; the method for producing light-burned magnesium powder by using concentrate powder comprises the steps of carrying out light burning treatment by using floating powder, directly carrying out fine grinding on a product, then carrying out ball pressing, and carrying out deep processing after ball pressing; a method for preparing light-burned magnesium powder by using raw ore powder is characterized in that the raw ore is used as a raw material without floatation, the raw ore is crushed and primarily ground in a raw ore powder feeding system 50 and then enters a raw ore powder light-burned system 60 for processing, and products can be sold and pressed into balls for subsequent processing; the method for manufacturing the light-burned magnesium powder by using the tailing powder is characterized in that the waste residue after floatation, which needs to be deeply buried and pollutes the environment in the prior art, is mixed with the raw ore powder crushed by the raw ore powder feeding system 50, the water content is neutralized, and then the waste residue is used as the raw material of the tailing powder system 3 for production, so that the waste residue is utilized, and the environment can be protected; the method has the characteristics of high efficiency, energy conservation, simple operation, negative pressure operation, no pollution to materials and environment, one-time powdering, no need of secondary crushing, good recovery, good ball pressing, good packaging and the like.
The method for producing the light-burned magnesium powder by using the concentrate powder comprises the steps of concentrate powder feeding, concentrate powder light burning, concentrate powder fine grinding and concentrate powder ball pressing which are sequentially carried out.
The concentrate powder feeding step comprises the steps of feeding raw materials from a flotation concentrate storehouse into a concentrate powder bin 101, feeding the raw materials into a concentrate powder double-helix conveyor 102, feeding the raw materials into a concentrate powder metering belt 103 and feeding the raw materials into a concentrate powder conveying belt 104 in sequence. The raw material adopts concentrate powder, is generally provided by a flotation plant, is conveyed to a flotation concentrate storehouse through a closed belt vestibule, and is conveyed into a concentrate powder bin 101 through a closed conveying belt, because the concentrate powder has higher water content and is difficult to dust, a cloth bag dust remover is not arranged at the top of the concentrate powder bin 101, and the feeding step is continuous operation.
The fine mineral powder light burning step comprises the steps of sequentially feeding raw materials from a fine mineral powder conveying belt 104 into a fine mineral powder spiral feeder 201, a fine mineral powder flash dryer 202, a fine mineral powder cyclone separator 203, a fine mineral powder pulse bag type dust collector 204, a fine mineral powder spiral conveyor 205, a fine mineral powder secondary preheating cyclone separator 206, a fine mineral powder tertiary preheating cyclone separator 207, a fine mineral powder calcining furnace 208, a fine mineral powder high-temperature recovery cyclone separator 209, a fine mineral powder primary cooling cyclone separator 210, a fine mineral powder secondary cooling cyclone separator 211, a fine mineral powder transition bin 212 and a fine mineral powder finished product bin 213; the fine mineral powder light burning step further comprises the steps of entering a fine mineral powder cyclone 203, entering a fine mineral powder primary preheating cyclone 214 and entering a fine mineral powder secondary preheating cyclone 206 which are sequentially performed, the fine mineral powder light burning step further comprises the steps of entering a fine mineral powder primary cooling cyclone 210, entering a fine mineral powder cooling pulse bag-type dust collector 215 and entering a fine mineral powder transition bin 212 which are sequentially performed, and the fine mineral powder light burning step further comprises the steps of entering the fine mineral powder secondary cooling cyclone 211, entering the fine mineral powder cooling pulse bag-type dust collector 215 and entering the fine mineral powder transition bin 212 which are sequentially performed. The concentrate powder in the concentrate powder bin 101 is continuously conveyed into a concentrate powder flash dryer 202 (the inlet hot air temperature is 450-550 ℃) through a concentrate powder spiral feeder 201, wherein the heat source of the concentrate powder flash dryer 202 is introduced from the residual heat of a calcining furnace under negative pressure. In the concentrate powder flash evaporation dryer 202, under the combined action of the main machine rotating blades and the high-speed hot air flow, the wet material is rapidly dispersed into powder, and the water contained in the concentrate powder is dried and dehydrated to be less than or equal to 0.5-1% within 3-5 seconds. The dried mixture of the material and the flue gas is sequentially brought into a concentrate powder cyclone 203 by the airflow to perform gas-solid separation (dust collection) and dust removal by a concentrate powder pulse bag type dust collector 204. The tail gas is purified by a concentrate powder pulse bag type dust collector 204, is led out by a draught fan (the outlet temperature is about 150 ℃) and is discharged by 1 high-exhaust funnel with the height of 38 m. The project is provided with an online monitoring device for monitoring the pollutant emission concentration in real time. The dry mineral aggregate powder collected from the discharge port of the concentrate powder cyclone 203 sequentially enters the concentrate powder primary preheating cyclone 214, the concentrate powder secondary preheating cyclone 206 and the concentrate powder tertiary preheating cyclone 207, the dry mineral aggregate dust collected by the bag-type dust collector sequentially enters the concentrate powder secondary preheating cyclone 206 and the concentrate powder tertiary preheating cyclone 207, the temperature of the material is raised to 300-400 ℃, and at the moment, the moisture in the material is basically removed. The dry mineral materials from the concentrate powder three-stage preheating cyclone separator 207 fall into a screw feeder of the concentrate powder calcining furnace 208 through a high-temperature discharge valve, and the materials enter the concentrate powder calcining furnace 208 from a feeding port at the bottom of the rotational flow dynamic calcining furnace by the screw feeder (in a fully closed negative pressure state, no dust is leaked out, and in addition, the automatic control of full-line equipment can be realized). In the concentrate powder calcining furnace 208, high-temperature gas is mixed with dry mineral powder which is tangentially added by a conveyor in the process of rotating and rising from the bottom of the furnace, the powder is instantly dispersed by high-temperature airflow in the furnace, the powder is in a high-speed rotating and rising airflow state at 900 ℃, the mineral powder (MgCO3) is decomposed into magnesium oxide (MgO) with multi-aperture particles in arrangement in the process of rapid mass transfer and heat transfer, and the calcining process is completed within 3-5 s. After calcination, clinker (MgO) enters a concentrate powder high-temperature recovery cyclone separator 209 for waste heat recovery from an outlet of the concentrate powder calciner 208 along with negative pressure airflow, and then enters a concentrate powder primary cooling cyclone separator 210 and a concentrate powder secondary cooling cyclone separator 211 for gas-solid separation (dust collection). The specific gas-solid separation process is as follows: hot air exhausted from an air outlet of the concentrate powder primary cooling cyclone separator 210 is sent to three cyclone preheaters in a front-stage mineral aggregate predrying link as heat sources to enter a dryer to dry materials, the temperature of tail gas after the dryer is reduced to about 150 ℃, the tail gas is subjected to two-stage purification treatment of dust collection of the concentrate powder cyclone drying separator and dust collection of a concentrate powder pulse bag type dust collector 204, and the tail gas is exhausted through a 1-38 m high suspension furnace waste gas exhaust funnel by a draught fan. MgO powder separated from a discharge port of a concentrate powder primary cooling cyclone separator 210 firstly enters a negative pressure air cooling system, after the material is cooled to 60-80 ℃, gas-solid separation (dust collection) is carried out on the material through a concentrate powder secondary cooling cyclone separator 211 and dust is generated by a concentrate powder cooling pulse bag type dust collector 215, the dust is purified and then discharged through a 38m high exhaust funnel P3, the dust collected by the concentrate powder secondary cooling cyclone separator 211 and the concentrate powder cooling pulse bag type dust collector 215 is calcined finished product high-activity light burned magnesia powder, the calcined product high-activity light burned magnesia powder is discharged into a concentrate powder buffer bin (indoor) through a rotary discharge valve, the concentrate powder buffer bin plays a role in pressure relief, and the material in the buffer bin is pneumatically conveyed to a concentrate powder finished product bin 213 (outdoor). The hot air replaced by the negative pressure air cooling system (in the cooling cyclone separator) is supplied to the secondary air of the combustion chamber, the tail gas of the dust generated by the feeding of the concentrate powder buffering bin is discharged to the pulse type bag-type dust remover after being treated by the bin top dust remover, and the tail gas is used as cooling air for cooling the material and finally discharged by an exhaust funnel with the length of 38 m.
The fine mineral powder fine grinding step comprises the steps of sequentially feeding materials from a fine mineral powder finished product bin 213 into a fine grinding feeding bin 301, a fine grinding superfine pulverizer 302, a fine grinding cloth belt 303 and a fine grinding discharging bin 304, the fine mineral powder fine grinding step further comprises the steps of sequentially feeding the materials from the fine mineral powder finished product bin 213 into the fine grinding feeding bin 301 and a ton bag packing machine 90 for packing, and the fine mineral powder fine grinding step further comprises the steps of sequentially feeding the materials into the fine grinding superfine pulverizer 302, a fine grinding bin type pump 305, a fine grinding vertical mill 306 and returning to the fine grinding feeding bin 301. The high-activity light-burned magnesia powder in the finished product bin 213 of the fine mineral powder of the project enters a transition bin in a ball pressing workshop through pneumatic conveying, is conveyed to a fine grinding feeding bin 301 through pneumatic conveying again, enters an ultrafine grinding machine for fine grinding under the action of gravity, is classified into the high-activity light magnesia powder with the particle size of below 400 meshes (the particle size is 400 meshes to 800 meshes, and the like) through a high-efficiency classifier, enters a fine grinding cloth belt 303 through pneumatic conveying, and then enters a fine grinding discharging bin 304.
The concentrate powder ball pressing step comprises the steps of feeding materials from the fine grinding discharging bin 304 into a ball pressing bin 401 and feeding the materials into a ball pressing machine 402, and the concentrate powder ball pressing step also comprises the steps of feeding magnesium balls discharged from the ball pressing machine 402 into a ball pressing vibrating screen 403, feeding screened unqualified magnesium balls into a ball pressing vibrating screen, and returning the screened unqualified magnesium balls to the ball pressing bin 401. The fine grinding discharge bin 304 is pneumatically conveyed to enter a ball pressing bin 401, the ball pressing bin 401 is divided into two parts, a partition is arranged in the middle, one part is a positive bin for storing high-activity light-burned magnesia powder, and the other part is a return bin for storing unqualified balls. The materials enter a ball press 402 under the action of gravity, the balls are pressed by a high-pressure dry method, the pressed product balls are conveyed to a ball press vibrating screen 403 through a conveyor belt, the screened qualified magnesium balls are conveyed to a product area in a ball press workshop through the conveyor belt to be sold, and unqualified magnesium balls are returned to a return bin in a ball press bin 401 through a ball press by an elevator 404 to be pressed again. All the bins in the ball pressing system 40 are matched with bin top dust collectors.
The method for producing the light-burned magnesium powder by using the raw ore powder comprises the steps of raw ore powder feeding and raw ore powder light burning which are sequentially carried out.
The raw ore powder feeding step comprises the steps of sequentially feeding raw materials from a raw ore raw material storehouse into a raw ore powder vibrating feeder 501, a raw ore powder metering belt 502, a raw ore powder conveying belt 503, a raw ore powder rotary air-locking blanking device 504, a raw ore powder grinder 505, a raw ore powder air box pulse bag dust collector 506 and a raw ore powder sealing scraper 507, and the raw ore powder feeding step further comprises the steps of sequentially feeding raw ore powder into the raw ore powder grinder 505, feeding into a raw ore powder plate chain hoist 508 and returning to the raw ore powder conveying belt 503. The raw ore is conveyed to a raw ore grinding machine 505 through a raw ore powder vibrating feeder 501, a raw ore powder metering belt 502, a raw ore powder conveying belt 503 and a raw ore powder rotary air-locking blanking device 504, is conveyed to a raw ore bin of a raw ore calcining system through a raw ore powder sealing scraper 507 after being subjected to primary grinding recovery, and is continuously operated; in the raw ore powder mill 505, the material with larger particle size is conveyed from the bottom of the raw ore powder mill 505 to the raw ore powder plate chain hoisting machine 508 through the belt conveyor, returned to the raw ore powder conveying belt 503, and then enters the raw ore powder mill 505 to be crushed through the raw ore powder rotary air-locking blanking device 504.
The raw ore powder light burning step comprises the steps of sequentially entering raw ore powder spiral feeding machine, raw ore powder flash drying machine, raw ore powder cyclone separator, raw ore powder pulse bag type dust remover, raw ore powder spiral conveyor, raw ore powder secondary preheating cyclone separator, raw ore powder three-stage preheating cyclone separator, raw ore powder calcining furnace, raw ore powder high-temperature recovery cyclone separator, raw ore powder primary cooling cyclone separator, raw ore powder secondary cooling cyclone separator, raw ore powder transition bin, raw ore powder finished product bin, finished product bin and ton bag packing machine 90, and the raw ore powder light burning step also comprises the steps of sequentially entering raw ore powder cyclone separator, raw ore powder primary preheating cyclone separator and raw ore powder secondary preheating cyclone separator, the raw ore powder light burning step also comprises the steps of entering a raw ore powder primary cooling cyclone separator, entering a raw ore powder cooling pulse bag type dust remover and entering a raw ore powder transition bin which are sequentially carried out, and the raw ore powder light burning step also comprises the steps of entering a raw ore powder secondary cooling cyclone separator, entering a raw ore powder cooling pulse bag type dust remover and entering a raw ore powder transition bin which are sequentially carried out. The light burning step of the raw ore powder is basically consistent with the light burning step of the concentrate powder, and the light burning step of the concentrate powder is referred to in the calcining process.
The method for producing the light-burned magnesium powder by using the tailing powder comprises the steps of tailing powder feeding and tailing powder light burning which are sequentially carried out.
The tailing powder feeding step comprises the steps of sequentially feeding waste residues subjected to flotation and raw ore powder crushed by a raw material powder feeding system into a tailing powder bin 701, a tailing powder double-screw conveyor 702, a tailing powder metering belt 703 and a tailing powder conveying belt 704. The raw materials are two parts, wherein one part is waste residues after flotation, the waste residues are conveyed to a raw material bin through a closed belt gallery of a plate-and-frame filter press, then the waste residues are conveyed to a metering belt through a closed conveying belt and conveyed to a mixer through a belt, the other part is crushed raw mineral powder, and the raw mineral powder is conveyed to the mixer through a raw mineral powder sealing scraper 507; after the two materials are mixed by the mixer, the two materials enter a belt conveyor and are conveyed to a tailing powder bin 701.
The tailing powder light burning step comprises the steps of sequentially feeding raw materials from a tailing powder conveying belt 704 into a tailing powder spiral feeder, a tailing powder flash dryer, a tailing powder cyclone separator, a tailing powder pulse bag type dust remover, a tailing powder spiral conveyor, a tailing powder secondary preheating cyclone separator, a tailing powder tertiary preheating cyclone separator, a tailing powder calcining furnace, a tailing powder high-temperature recovery cyclone separator, a tailing powder primary cooling cyclone separator, a tailing powder secondary cooling cyclone separator, a tailing powder transition bin, a tailing powder finished product bin, a finished product bin and a ton bag packing machine 90 for packing; the step of light burning the tailing powder also comprises the steps of entering a tailing powder cyclone separator, entering a tailing powder primary preheating cyclone separator and entering a tailing powder secondary preheating cyclone separator which are sequentially carried out; the step of light burning the tailing powder also comprises the steps of entering a tailing powder primary cooling cyclone separator, entering a tailing powder cooling pulse bag type dust remover and entering a tailing powder transition bin in sequence; the tailing powder light burning step also comprises the steps of entering a tailing powder secondary cooling cyclone separator, entering a tailing powder cooling pulse bag type dust remover and entering a tailing powder transition bin in sequence. The tailing powder light burning step is basically consistent with the concentrate powder light burning step, and the calcination process refers to the concentrate powder light burning step.
The three systems exist independently and respectively process different materials; the whole process is more environment-friendly, waste residues can be treated more timely, three quality products are produced simultaneously, and users have more choices; compared with the prior single process, the large process is more complete, higher in utilization rate and more complete.
Although the utility model has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements may be made based on the utility model. Accordingly, such modifications and improvements are intended to be within the scope of the utility model as claimed.
Claims (4)
1. The system for manufacturing the light-burned magnesium powder by using the magnesite powder is characterized by comprising a concentrate powder system, a raw ore powder system and a tailing powder system, wherein the concentrate powder system comprises a concentrate powder feeding system, a concentrate powder light-burning system, a fine grinding system and a ball pressing system which are connected in sequence in a working procedure manner, the raw ore powder system comprises a raw ore powder feeding system and a raw ore powder light-burning system which are connected in sequence in a working procedure manner, and the tailing powder system comprises a tailing powder feeding system and a tailing powder light-burning system which are connected in sequence in a working procedure manner.
2. The system for manufacturing light-burned magnesia powder by using magnesite powder as claimed in claim 1, wherein the concentrate powder feeding system comprises a concentrate powder bin, a concentrate powder double-screw conveyor, a concentrate powder measuring belt and a concentrate powder conveying belt which are connected in sequence, the concentrate powder bin, the concentrate powder double-screw conveyor and the concentrate powder measuring belt are provided with three groups, and the concentrate powder bin is used for receiving raw materials of a flotation concentrate storehouse;
the concentrate powder light burning system comprises a concentrate powder spiral feeder, a concentrate powder flash evaporation dryer, a concentrate powder cyclone separator, a concentrate powder pulse bag type dust remover, a concentrate powder spiral conveyor, a concentrate powder secondary preheating cyclone separator, a concentrate powder three-stage preheating cyclone separator, a concentrate powder calcining furnace, a concentrate powder high-temperature recovery cyclone separator, a concentrate powder primary cooling cyclone separator, a concentrate powder secondary cooling cyclone separator and a concentrate powder transition bin which are connected in sequence, wherein the concentrate powder spiral feeder is connected with the concentrate powder conveying belt process, the concentrate powder transition bin is connected with a concentrate powder finished product bin process, the concentrate powder light burning system also comprises a concentrate powder primary preheating cyclone separator and a concentrate powder cooling pulse bag type dust remover, and the concentrate powder cyclone separator, the concentrate powder primary preheating cyclone separator and the concentrate powder secondary preheating cyclone separator are connected in sequence, the concentrate powder primary cooling cyclone separator, the concentrate powder cooling pulse bag type dust collector and the concentrate powder transition bin are sequentially connected in a working procedure mode;
the fine grinding system comprises a fine grinding feeding bin, a fine grinding superfine pulverizer, a fine grinding cloth belt and a fine grinding discharging bin which are sequentially connected in sequence, the fine grinding feeding bin is connected with the ton bag packaging machine in process, and the fine grinding feeding bin is connected with the fine grinding fine ore finished product bin in process;
the ball pressing system comprises a ball pressing bin and a ball pressing machine which are connected in the working procedure, and the ball pressing bin is connected with the fine grinding discharging bin in the working procedure.
3. The system for manufacturing light-burned magnesia powder by using magnesite powder as claimed in claim 1, wherein the raw ore powder feeding system comprises a raw ore powder vibrating feeder, a raw ore powder metering belt, a raw ore powder conveying belt, a raw ore powder rotary air-locking blanking device, a raw ore powder grinding machine, a raw ore powder gas box pulse bag dust collector and a raw ore powder sealing scraper which are sequentially connected in sequence, wherein the raw ore powder vibrating feeder is used for receiving raw materials of a raw ore raw material storehouse;
the raw ore powder light burning system comprises a raw ore powder spiral feeder, a raw ore powder flash evaporation dryer, a raw ore powder cyclone separator, a raw ore powder pulse bag type dust remover, a raw ore powder spiral conveyor, a raw ore powder primary preheating cyclone separator, a raw ore powder secondary preheating cyclone separator, a raw ore powder three-stage preheating cyclone separator, a raw ore powder calcining furnace, a raw ore powder high-temperature recovery cyclone separator, a raw ore powder primary cooling cyclone separator, a raw ore powder secondary cooling cyclone separator and a raw ore powder transition bin which are connected in sequence, wherein the raw ore powder spiral feeder is connected with a raw ore powder sealing scraper blade process, the raw ore powder transition bin is connected with a raw ore powder finished product bin process, the raw ore powder finished product bin is connected with a finished product bin process of a finished product warehouse, the finished product bin is connected with a ton bag packaging machine process, the raw ore powder light burning system also comprises a raw ore powder primary preheating cyclone separator and a raw ore powder cooling pulse bag type dust remover, the primary ore powder cyclone separator, the primary ore powder primary preheating cyclone separator and the primary ore powder secondary preheating cyclone separator are sequentially connected in a working procedure mode, the primary ore powder primary cooling cyclone separator, the primary ore powder cooling pulse bag type dust collector and the primary ore powder transition bin are sequentially connected in a working procedure mode, and the primary ore powder secondary cooling cyclone separator, the primary ore powder cooling pulse bag type dust collector and the primary ore powder transition bin are sequentially connected in a working procedure mode.
4. The system for producing light-burned magnesia powder by using magnesite powder as claimed in claim 1, wherein the tailing powder feeding system comprises two tailing powder bins, a tailing powder double-screw conveyor, a tailing powder metering belt and a tailing powder conveying belt, which are connected in sequence, wherein the two tailing powder bins, the tailing powder double-screw conveyor and the tailing powder metering belt are respectively used for receiving the waste residue after flotation and the raw ore powder crushed by the raw material powder feeding system;
the tailing powder light burning system comprises a tailing powder spiral feeder, a tailing powder flash dryer, a tailing powder cyclone separator, a tailing powder pulse bag type dust remover, a tailing powder spiral conveyor, a tailing powder primary preheating cyclone separator, a tailing powder secondary preheating cyclone separator, a tailing powder tertiary preheating cyclone separator, a tailing powder calcining furnace, a tailing powder high-temperature recovery cyclone separator, a tailing powder primary cooling cyclone separator, a tailing powder secondary cooling cyclone separator and a tailing powder transition bin which are sequentially connected in sequence, wherein the tailing powder spiral feeder is connected with a tailing powder sealing scraper blade process, the tailing powder transition bin is connected with a tailing powder finished product bin process, the tailing powder finished product bin is connected with a finished product bin process of a finished product warehouse, the finished product bin of the finished product warehouse is connected with a ton bag packaging machine process, the tailing powder light burning system further comprises a tailing powder primary preheating cyclone separator and a tailing powder cooling pulse bag type dust remover, the device comprises a tailing powder cyclone separator, a tailing powder primary preheating cyclone separator, a tailing powder secondary preheating cyclone separator, a tailing powder primary cooling cyclone separator, a tailing powder cooling pulse bag type dust remover and a tailing powder transition bin, wherein the tailing powder primary cooling cyclone separator, the tailing powder primary preheating cyclone separator and the tailing powder secondary preheating cyclone separator are sequentially connected in a working procedure mode.
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