CN212418254U

CN212418254U - Superfine powder processing system

Info

Publication number: CN212418254U
Application number: CN202021195943.1U
Authority: CN
Inventors: 陆全旗; 范顺利; 卢乐民
Original assignee: Guilin Hongcheng Mining Equipment Manufacture Co
Current assignee: Guilin Hongcheng Mining Equipment Manufacture Co
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-01-29
Anticipated expiration: 2030-06-24

Abstract

The utility model relates to an ultramicro powder system of processing, discharge gate including raw materials conveying system is provided with first metering scale, first metering scale is connected with the lifting machine feed inlet, the discharge gate below of lifting machine is provided with vertical stirring mill, the discharge gate of vertical stirring mill is provided with the shale shaker, the ball mill exit linkage ball mill storehouse of shale shaker, the play ball mouth below in ball mill storehouse sets up the second metering scale, the second metering scale is connected with the feed inlet of lifting machine, shale shaker material export intercommunication sorter feed inlet, the fine material export of sorter inserts pulse collector, pulse collector's gas outlet is connected to the fan, the coarse fodder export of sorter is provided with the buffering storehouse of weighing, it is provided with the third metering scale to weigh buffering storehouse discharge gate below, the third metering scale is connected with the feed inlet of lifting machine. Based on the utility model discloses an ultramicro powder system of processing can realize the ultramicro powder preparation, and simple process, production efficiency are high.

Description

Superfine powder processing system

Technical Field

The utility model belongs to the technical field of the grinding, concretely relates to submicron powder system of processing.

Background

At present, the grinding process of the ultrafine powder within 5 mu m mainly comprises a wet stirring grinding and secondary sorting process, wherein the wet stirring grinding process comprises the steps of grinding in liquid, drying, depolymerizing and collecting, and the secondary sorting process comprises the steps of pre-grinding materials by a vertical mill or a ball mill, primary sorting and secondary external sorting to obtain the ultrafine powder within 5 mu m. Therefore, when the wet stirring and grinding process is adopted, the materials are ground in liquid and then need to be dried and depolymerized, the process is complex, waste water and waste gas are generated, and when the secondary separation process is adopted, the process route is long, the number of equipment is large, and byproduct separation defective products are generated.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: provides a superfine powder processing system, which solves the problems of long secondary separation process route, more equipment, complex process and waste water and waste gas generation in the preparation of superfine powder in the prior art.

The utility model discloses a concrete solution as follows:

the utility model provides an ultra-fine powder processing system, which comprises a raw material conveying system, a lifting machine, a vertical stirring mill, a vibrating screen, a ball grinding bin, a sorting machine, a fan, a pulse collector and a weighing buffer bin, wherein a discharge port of the raw material conveying system is provided with a first scale which is connected with a feed port of the lifting machine, the vertical stirring mill is arranged below the discharge port of the lifting machine, the discharge port of the vertical stirring mill is provided with the vibrating screen, a ball grinding outlet of the vibrating screen is connected with the ball grinding bin, a second scale is arranged below a ball outlet of the ball grinding bin and is connected with the feed port of the lifting machine, the material outlet of the vibrating screen is communicated with the feed port of the sorting machine, a fine material outlet of the sorting machine is connected with the pulse collector, and the fan is connected with a gas outlet of the pulse collector, the coarse material outlet of the separator is provided with the weighing buffer bin, a third metering scale is arranged below the discharge port of the weighing buffer bin, and the third metering scale is connected with the feed port of the elevator.

Based on the utility model discloses a technical scheme has following beneficial effect:

(1) based on the utility model discloses a superfine powder system of processing, the raw materials gets into vertical stirring mill and carries out sorting out qualified product (thin material) through grading after the dry process grinding processing, unqualified sorting substandard product (coarse fodder) circulation reentrant vertical stirring crocus mill processing, and the process route is short, does not have by-product and waste water waste gas, reduces investment cost and reduces the energy consumption, improves production efficiency, improves the environmental protection requirement.

(2) The powder ball proportion influences the quality of grinding material, consequently, guarantees the invariable powder (raw materials and coarse fodder sum) ball ratio of entire system and can guarantee the quality of powder product and the stability of product output, based on the utility model discloses an ultramicro powder processing system adopts and divides through the sorter behind the dry process stirring grinding to elect qualified product, and unqualified separation substandard product circulation reentrants vertical stirring mill grinding, guarantees throughout through first weigher, second weigher and third weigher that powder and ball according to certain proportion stir the grinding in vertical stirring mill.

(3) The weighing buffer bin is arranged to reflect the circulation change condition of the graded defective powder in real time so as to adjust the process system, and the grinding ball bin is arranged to temporarily store grinding balls so as to adjust the process at any time.

(4) According to the system, the superfine powder can be prepared by circularly grinding and sorting machines through discharging, and the system is simple in process and high in production efficiency.

On the basis of the above scheme, the utility model discloses can also carry out following improvement:

and the liquid medicine filling device is used for filling liquid medicine into the vertical stirring mill, and a liquid medicine outlet end of a liquid medicine injection pipe of the liquid medicine filling device is positioned in a material inlet of the vertical stirring mill.

Therefore, the medicament which is helpful for grinding and dispersing is added into the vertical stirring mill by the liquid medicament filling device to be ground together, so that the material flowability and the dispersibility can be improved.

Further, still include the pipeline de-ironing separator, the feed inlet of pipeline de-ironing separator is connected the discharge gate of lifting machine, the discharge gate of pipeline de-ironing separator is connected the feed inlet of vertical stirring mill.

Therefore, the granular or blocky metal iron blocks in the raw material powder can be effectively removed.

Further, an air locking valve and the iron remover are arranged between the material outlet of the vibrating screen and the material inlet of the separator.

Further, including the tripper, the tripper install in the sorter coarse fodder export with between the surge bin weighs, the coarse fodder export of tripper is located weigh the surge bin top, the waste material exit linkage waste bin of tripper.

Therefore, the raw product outlet of the sorting machine is provided with the distributor, and unqualified graded defective powder can be discharged out of the system when not needing to be recycled into the grinding machine.

Specifically, the separator is a multi-head horizontal external grading separator

Further, the raw material conveying system comprises a raw material bin and a first spiral conveyor located at an outlet of the raw material bin, and the first spiral conveyor is connected with the first weighing scale.

Further, still include second screw conveyer and deconcentrator, second screw conveyer is located the discharge gate of vertical stirring mill, the deconcentrator is located the discharge gate of second screw conveyer with between the shale shaker.

From this, the deconcentrator is sent into by second screw conveyer after the material comes out from vertical stirring mill, and the screw conveyer control mill ejection of compact carry the speed of shale shaker, then evenly fall into the shale shaker at width direction through the deconcentrator, powder and ball separation, the setting up of deconcentrator improves material screening efficiency, improves screen cloth life.

And the third screw conveyor is positioned at a ball outlet of the ball grinding bin, and a discharge port of the third screw conveyor is connected with the second scale.

Therefore, the material conveying speed is controlled through the first screw conveyor, the second screw conveyor and the third screw conveyor, and the control of the circulation amount of raw materials, grinding balls and crude products in the system is realized.

The powder weighing system comprises a first weighing scale, a second weighing scale, a third weighing scale and a control system, wherein the first weighing scale, the second weighing scale and the third weighing scale respectively comprise a weighing scale hopper body used for containing powder, weighing scale sensors, a weighing scale support and impeller feeders, the control system is respectively electrically connected with the weighing scale sensors and the impeller feeders, the weighing scale hopper body is arranged on the weighing scale support, the weighing scale hopper body is a powder weighing container, the weighing scale sensors are used for measuring the weight value of the hopper in real time and feeding the value back to the control system, so that the control system can adjust the rotating speed of the impeller feeders and adjust the output quantity of powder, the impeller feeders are arranged at the outlets of the weighing scale hopper body, and the control system controls the rotating speed of the impeller feeders through a frequency converter and adjusts the output quantity of powder in real.

Preferably, the first scale, the second scale and the third scale are respectively spiral scales.

The control system controls the first weighing scale (raw material weighing scale), the second weighing scale (grinding balls) and the third weighing scale to automatically add into the elevator according to a specific powder ball proportion.

Further, the control system is electrically connected with the control system and electrically connected with the first screw conveyor, the second screw conveyor and the third screw conveyor.

Therefore, when the weight of the materials in the first scale, the second scale or the third scale reaches a set value, the frequency of the frequency converters of the first screw conveyer, the second screw conveyer and the third screw conveyer is adjusted to a corresponding value, so that the conveying speed of the screw conveyer is adjusted, and the control of the circulation amount of the raw materials, the grinding balls and the crude products in the system is realized.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

In fig. 1, the components represented by the respective reference numerals are as follows:

a raw material bin 1; a first screw conveyor 2; a first scale 3; a hoist 4; a pipeline iron remover 5; a vertical stirring mill 6; a second screw conveyor 7; a disperser 8; a vibrating screen 9; a ball grinding bin 10; a third screw conveyor 11; a second scale 12; a latch valve 13; an iron remover 14; a sorter 15; a distributor 16; a weighing surge bin 17; a third scale 18; a pulse collector 19; a fan 20; liquid medicine filling device 21.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

The invention is described below with reference to specific embodiments in conjunction with 1.

The utility model provides a superfine powder processing system, which comprises a raw material conveying system, a lifter 4, a vertical stirring mill 6, a vibrating screen 9, a grinding ball bin 10, a sorting machine 15, a fan 20, a pulse collector 19 and a weighing buffer bin 17, wherein a discharge port of the raw material conveying system is provided with a first metering scale 3, the first metering scale 3 is connected with a feed port of the lifter 4, the vertical stirring mill 6 is arranged below a discharge port of the lifter 4, the discharge port of the vertical stirring mill 6 is provided with the vibrating screen 9, a grinding ball outlet of the vibrating screen 9 is connected with the grinding ball bin 10, a second metering scale 12 is arranged below a ball outlet of the grinding ball bin 10, the second metering scale 12 is connected with the feed port of the lifter 4, a material outlet of the vibrating screen 9 is communicated with the feed port of the sorting machine 15, a fine material outlet of the sorting machine 15 is connected with the pulse collector 19, the fan 20 is connected with the air outlet of the pulse collector 19, the coarse material outlet of the separator 15 is provided with the weighing buffer bin 17, a third metering scale 18 is arranged below the discharge hole of the weighing buffer bin 17, and the third metering scale 18 is connected with the feed inlet of the elevator 4.

Based on the utility model discloses a superfine powder system of processing, the raw materials gets into vertical stirring mill 6 and carries out selecting qualified product (thin material) through grading after the dry process grinding processing, unqualified sorting substandard product (coarse fodder) circulation reentrant vertical stirring mill 6 grinding processing, and the process route is short, does not have by-product and waste water waste gas, reduces investment cost and reduces the energy consumption, improves production efficiency, improves the environmental protection requirement. The powder ball proportion influences the quality of grinding material, consequently, guarantees the invariable powder (raw materials and coarse fodder sum) ball ratio of entire system and can guarantee the quality of powder product and the stability of product output, based on the utility model discloses an ultramicro powder processing system adopts and divides through the sorter after the dry process stirring grinding to elect qualified product, and unqualified separation substandard product circulation reentrants vertical stirring mill grinding, guarantees throughout through first weigher, second weigher and third weigher that powder and ball according to certain proportion stir the grinding in vertical stirring mill 6.

Based on the utility model discloses an ultramicro powder system of processing still including be used for to the liquid medicine filling device 21 of 6 filling liquid medicines of vertical stirring mill, the medicine outlet end of liquid medicine filling device 21's injection pipe is located in 6 feed inlets of vertical stirring mill.

Therefore, the medicament which is helpful for grinding and dispersing is added into the vertical stirring mill by the liquid medicament filling device 21 to be ground together, and the material fluidity and the dispersibility can be improved.

Based on the utility model discloses an ultramicro powder system of processing still includes pipeline de-ironing separator 5, the feed inlet of pipeline de-ironing separator 5 is connected the discharge gate of lifting machine 4, the discharge gate of pipeline de-ironing separator 5 is connected the feed inlet of vertical stirring mill 6.

Based on the utility model discloses a submicron powder system of processing, the 9 material exports of shale shaker with be provided with airlock valve 13 and de-ironing separator 14 between 15 feed inlets of sorter.

Based on the utility model discloses a submicron powder system of processing still includes tripper 16, tripper 16 install in 15 coarse fodder export of sorter with between the surge bin 17 weighs, tripper 16's coarse fodder export is located 17 tops of surge bin weigh, tripper 16's waste material outlet connects the dump bin.

Thus, the classifier crude product outlet is provided with a distributor 16 which can be discharged outside the system when the defective classified defective powder does not need to be recycled into the mill.

Specifically, the separator is a multi-head horizontal external grading separator.

Based on the utility model discloses an ultramicro powder processing system, former material conveying system includes former feed bin 1 and is located the first screw conveyer 2 of 1 exit in former feed bin, first screw conveyer 2 is connected first measurement is called 3.

Based on the utility model discloses an ultramicro powder system of processing still includes second screw conveyer 7 and deconcentrator 8, second screw conveyer 7 is located vertical stirring mill 6's discharge gate, deconcentrator 8 is located second screw conveyer 7's discharge gate with between the shale shaker 9.

From this, the material is sent into deconcentrator 8 by second screw conveyer 7 after coming out from vertical stirring mill 6, and the screw conveyer control mill ejection of compact carry the speed of shale shaker 9, then evenly fall into shale shaker 9 at width direction through deconcentrator 8, powder and ball separation, the setting of deconcentrator improves material screening efficiency, improves screen cloth life.

Based on the utility model discloses a submicron powder system of processing still includes third screw conveyer 11, third screw conveyer 11 is located the outlet ball mouth in ball storehouse 10, third screw conveyer 11's discharge gate is connected second measurement is called 12.

Therefore, the material conveying speed is controlled through the first screw conveyor 2, the second screw conveyor 7 and the third screw conveyor 11, and the control of the circulation amount of raw materials, grinding balls and crude products in the system is realized.

Based on the utility model discloses an ultramicro powder system of processing still includes control system, first measurement is called 3 second measurement is called 12 with third measurement is called 18 including measurement respectively and is called the bucket body, measurement and call sensor and impeller feeder, control system respectively with each measurement is called sensor and each the impeller feeder electricity is connected, measurement is called the sensor and is used for real-time measurement weight value to feed back numerical value to control system, control system adjusts the impeller feeder rotational speed according to numerical value feedback, adjustment powder output quantity.

Optionally, the first scale 3, the second scale 12 and the third scale 18 are spiral scales respectively.

The control system controls the first weighing scale 3, the second weighing scale 12, the grinding balls and the third weighing scale 18 to be automatically added into the hoister 4 according to a specific powder ball proportion.

Based on the utility model discloses an ultramicro powder system of processing, the control system electricity is connected first screw conveyer 2 second screw conveyer 7 and third screw conveyer 11.

Therefore, when the weight of the materials in the first weighing scale 3, the second weighing scale 12 or the third weighing scale 18 reaches a set value, the frequency converters of the first screw conveyer 2, the second screw conveyer 7 and the third screw conveyer 11 are adjusted to corresponding values, so that the conveying speed of the screw conveyer is adjusted, and the control of the circulation amount of the raw materials, the grinding balls and the crude products in the system is realized.

According to the utility model discloses an embodiment, the grinding process of submicron powder processing system is specifically as follows:

raw materials in a raw material bin 1 are quantitatively fed into a lifter 4 through a first screw conveyor 2 and a first metering scale 3, grinding balls in a grinding ball bin 10 are also quantitatively fed into the lifter 4 through a second screw conveyor 7 and a second metering scale 12, the raw materials and the grinding balls enter a vertical stirring mill 6 after being deironized through a pipeline iron remover 5, meanwhile, a chemical agent which is beneficial to grinding and dispersing effects is quantitatively added into a liquid medicine filling device 21, the raw materials fall into a second conveying screw conveyor 7 after being acted by a rotating stirring shaft and the grinding balls, the raw materials are conveyed into a vibrating screen 9 through a material disperser 8, the screened grinding balls fall back to the grinding ball bin 10, on the other hand, the ground materials are screened and then enter a horizontal multi-head external grading classifier 15 through an air locking valve 13 and an iron remover 14, powder is classified through the horizontal multi-head external grading classifier 15 under the action of negative pressure air of a fan 20, qualified powder enters a pulse collector 19 from an outlet of the multi-head horizontal external grading classifier 15 along with air, the collected finished products are discharged by a discharge valve at the lower part of a pulse collector 19, clean gas is discharged into the atmosphere by a fan 20, unqualified graded inferior-quality powder is discharged by a multi-head horizontal external grading separator 15, the discharge valve at the lower part is discharged to fall into a weighing buffer bin 17 through a distributor 16, the unqualified graded inferior-quality powder is fed into a lifter 4 by a spiral metering scale 18 and enters a mill together with newly fed raw materials for regrinding, and the unqualified graded inferior-quality powder can be discharged out of the system through the distributor 16 when not needing to be recycled into the mill. The grinding balls fed into the vertical stirring mill 6 are composed of balls with different diameters according to a certain quantity proportion, the ground powder and the grinding balls are stirred and ground in the vertical stirring mill 6 according to a certain proportion, the powder and ball proportion is controlled by a first metering scale 3, a second metering scale 12 and a third metering scale 18 together, a control system receives the weight values of the first metering scale 3 and the third metering scale 18 and controls the second metering scale 12 to automatically calculate the ball feeding amount according to the specified powder and ball proportion and add the ball feeding amount into the elevator 4 according to the sum of the feeding amounts of the first metering scale 3 and the second metering scale 12, and the weighing buffer bin 17 can reflect the circulation change condition of the classified defective powder in real time so as to adjust a process system.

Although embodiments of the present invention have been described in detail above, those of ordinary skill in the art will understand that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The superfine powder processing system is characterized by comprising a raw material conveying system, a lifting machine (4), a vertical stirring mill (6), a vibrating screen (9), a grinding ball bin (10), a sorting machine (15), a fan (20), a pulse collector (19) and a weighing buffer bin (17), wherein a discharge port of the raw material conveying system is provided with a first weighing scale (3), the first weighing scale (3) is connected with a feed port of the lifting machine (4), the vertical stirring mill (6) is arranged below the discharge port of the lifting machine (4), the vibrating screen (9) is arranged at the discharge port of the vertical stirring mill (6), a grinding ball outlet of the vibrating screen (9) is connected with the grinding ball bin (10), a second weighing scale (12) is arranged below a ball outlet of the grinding ball bin (10), and the second weighing scale (12) is connected with the feed port of the lifting machine (4), shale shaker (9) material export intercommunication sorter (15) feed inlet, the fine material export of sorter (15) inserts pulse collector (19), fan (20) are connected the gas outlet of pulse collector (19), the coarse fodder export of sorter (15) is provided with surge bin (17) weigh, surge bin (17) discharge gate below of weighing is provided with third weigher (18), third weigher (18) with the feed inlet of lifting machine (4) is connected.

2. The submicron powder processing system as set forth in claim 1, characterized in that it further comprises a liquid medicine filling device (21) for filling liquid medicine into said vertical stirring mill (6), wherein the outlet end of the liquid medicine filling pipe of said liquid medicine filling device (21) is positioned in the inlet of said vertical stirring mill (6).

3. The ultra-micro powder processing system as set forth in claim 1, further comprising a pipeline iron remover (5), wherein the feed inlet of the pipeline iron remover (5) is connected with the discharge outlet of the elevator (4), and the discharge outlet of the pipeline iron remover (5) is connected with the feed inlet of the vertical stirring mill (6).

4. The submicron powder processing system as set forth in claim 1, characterized in that a airlock valve (13) and a de-ironing separator (14) are provided between the material outlet of the vibrating screen (9) and the feed inlet of the sorting machine (15).

5. The submicron powder processing system as set forth in claim 1, characterized in that it further comprises a distributor (16), said distributor (16) is installed between said sorter (15) coarse material outlet and said weighing buffer bin (17), said coarse material outlet of said distributor (16) is located above said weighing buffer bin (17), and said waste material outlet of said distributor (16) is connected to a waste bin.

6. The ultra micro powder processing system as set forth in any one of claims 1 to 5, wherein the raw material conveying system comprises a raw material bin (1) and a first screw conveyor (2) at an outlet of the raw material bin (1), and the first screw conveyor (2) is connected with the first scale (3).

7. The submicron powder processing system as set forth in claim 6, characterized by further comprising a second screw conveyor (7) and a disperser (8), wherein said second screw conveyor (7) is located at the discharge port of said vertical stirring mill (6), and said disperser (8) is located between the discharge port of said second screw conveyor (7) and said vibrating screen (9).

8. The submicron powder processing system as set forth in claim 7, characterized in that it further comprises a third screw conveyor (11), said third screw conveyor (11) is located at the ball outlet of said ball grinding bin (10), the discharge port of said third screw conveyor (11) is connected with said second scale (12).

9. The ultra-fine powder processing system as claimed in claim 8, further comprising a control system, wherein the first scale (3), the second scale (12) and the third scale (18) respectively comprise a scale hopper body, a scale sensor and an impeller feeder, the control system is electrically connected with each scale sensor and each impeller feeder respectively, the scale sensors are used for measuring weight values in real time and feeding back the values to the control system, and the control system adjusts the rotating speed of the impeller feeders according to the value feedback to adjust the powder output.

10. The ultra micro powder processing system according to claim 9, wherein the control system electrically connects the first screw conveyor (2), the second screw conveyor (7) and a third screw conveyor (11).