CN213223262U - Explosive dust material grading system - Google Patents
Explosive dust material grading system Download PDFInfo
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- CN213223262U CN213223262U CN202021394973.5U CN202021394973U CN213223262U CN 213223262 U CN213223262 U CN 213223262U CN 202021394973 U CN202021394973 U CN 202021394973U CN 213223262 U CN213223262 U CN 213223262U
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Abstract
The utility model discloses an explosive dust material grading system, which comprises a grading mechanism, wherein the grading mechanism comprises a shell, a feeding runner, a grading wheel mechanism, a grading driving mechanism and a spiral air inlet mechanism; a feeding control valve is arranged on the feeding flow passage; the feeding port of the sealing feeding mechanism is connected with the feeding runner; and the inert gas supply mechanism is connected with the spiral gas inlet mechanism. The application provides an explosive dust material grading system, simple structure is reasonable, installation convenient to use, and area is little. Can carry out the classification in-process at the material, make the inside sealed inert gas protection environment that forms of system, can effectually prevent that explosive dust from exploding. The production process can realize automatic control, and is favorable for improving the production efficiency and saving the labor cost.
Description
Technical Field
The utility model relates to a powder classification equipment technical field especially relates to an explosive dust material grading system.
Background
The air classifier is an air classifying device, and the classifier, a cyclone separator, a dust remover and an induced draft fan form a set of classifying system. The material moves to the classification area from the feeding port at the lower end of the classifier along with ascending air flow at high speed under the action of suction force of a fan, under the action of strong centrifugal force generated by a classification turbine rotating at high speed, the thick and thin materials are separated, the fine particles meeting the particle size requirement enter a cyclone separator or a dust remover through the blade gaps of the classification wheel for collection, the speed of the fine particles carried by the coarse particles disappears after the fine particles collide with the wall, the coarse particles descend to the secondary air port along the cylinder wall, the coarse and thin particles are separated through the strong elutriation effect of secondary air, the fine particles ascend to the classification area for secondary classification, and the coarse particles descend to the discharge port for discharge.
When the grading system in the prior art is used for treating explosive dust materials, the safety performance is insufficient, and the danger that the system is easy to explode exists.
SUMMERY OF THE UTILITY MODEL
The utility model provides an explosive dust material grading system.
The utility model provides a following scheme:
an explosive dust material classification system comprising:
the grading mechanism comprises a shell, a feeding runner, a grading wheel mechanism, a grading driving mechanism and a spiral air inlet mechanism; a feeding control valve is arranged on the feeding flow passage;
the feeding port of the sealing feeding mechanism is connected with the feeding runner;
the inert gas supply mechanism is connected with the spiral gas inlet mechanism;
the inlet end of the dust removal and collection mechanism is connected with the fine material outlet end of the grading mechanism;
the air inducing mechanism is connected with the dust removal collecting mechanism; a gas component detection sensor is connected to the air inlet of the induced draft mechanism;
the grading driving mechanism, the feeding control valve, the sealing feeding mechanism, the inert gas supplying mechanism, the induced draft mechanism and the gas component detection sensor are respectively and electrically connected with the controller; the controller is used for controlling the working states of the grading driving mechanism, the feeding control valve and the sealing feeding mechanism according to the gas composition at the tail end of the system detected by the gas composition detection sensor.
Preferably: the feeding runner is positioned at the top cover of the shell, the grading wheel mechanism comprises a grading wheel and a fine material bin, and the fine material outlet is connected with the fine material bin; the grading driving mechanism is used for driving the grading wheel to rotate; the spiral air intake mechanism is used for providing rotary ascending air flow into the shell.
Preferably: the sealed feeding mechanism comprises a feeding bin and a feeding driving assembly, the feeding driving assembly is located below the feeding bin, the top of the feeding bin is connected with a bin cover, the bin cover and the feeding bin are closed to form a closed environment in the feeding bin, and the feeding driving assembly is used for supplying materials to be classified to the classifying mechanism in a quantitative mode.
Preferably: the feeding bin is connected with a first material meter, the first material meter is connected with the controller, and the first material meter is used for obtaining the lowest material value in the material bin.
Preferably: the inert gas supply mechanism comprises an inert gas generating assembly and a pressurizing assembly; the inert gas supply mechanism is used for supplying inert gas with certain pressure into the system through the spiral gas inlet mechanism.
Preferably: the dust removal collecting mechanism is connected with a second material level meter.
Preferably: the bottom of dust removal collection mechanism is formed with the drain hole, the top of drain hole is formed with a plurality of observation windows.
Preferably: and an air outlet of the induced draft mechanism is connected with a filtering component.
According to the utility model provides a concrete embodiment, the utility model discloses a following technological effect:
through the utility model, an explosive dust material grading system can be realized, and in an implementation mode, the system can comprise a grading mechanism, wherein the grading mechanism comprises a shell, a feeding runner, a grading wheel mechanism, a grading driving mechanism and a spiral air inlet mechanism; a feeding control valve is arranged on the feeding flow passage; the feeding port of the sealing feeding mechanism is connected with the feeding runner; the inert gas supply mechanism is connected with the spiral gas inlet mechanism; the inlet end of the dust removal and collection mechanism is connected with the fine material outlet end of the grading mechanism; the air inducing mechanism is connected with the dust removal collecting mechanism; a gas component detection sensor is connected to the air inlet of the induced draft mechanism; the grading driving mechanism, the feeding control valve, the sealing feeding mechanism, the inert gas supplying mechanism, the induced draft mechanism and the gas component detection sensor are respectively and electrically connected with the controller; the controller is used for controlling the working states of the grading driving mechanism, the feeding control valve and the sealing feeding mechanism according to the gas composition at the tail end of the system detected by the gas composition detection sensor. The application provides an explosive dust material grading system, simple structure is reasonable, installation convenient to use, and area is little. Can carry out the classification in-process at the material, make the inside sealed inert gas protection environment that forms of system, can effectually prevent that explosive dust from exploding. The production process can realize automatic control, and is favorable for improving the production efficiency and saving the labor cost.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an explosive dust material classification system provided by an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a grading mechanism according to an embodiment of the present invention.
In the figure: the device comprises a grading mechanism 1, a shell 11, a feeding runner 12, a grading wheel mechanism 13, a grading driving mechanism 14, a spiral air inlet mechanism 15, a feeding control valve 2, a sealing feeding mechanism 3, a feeding bin 31, a feeding driving component 32, an inert gas supplying mechanism 4, a dust removal collecting mechanism 5, a discharging port 51, an observation window 52, an air inducing mechanism 6, a gas component detection sensor 7, a controller 8, a first material level indicator 9, a second material level indicator 10, a dust removal collecting mechanism 5, a dust removal device, a dust,
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
Examples
Referring to fig. 1 and 2, an explosive dust material classification system provided in an embodiment of the present invention is shown in fig. 1 and 2, and the system includes a classification mechanism 1, where the classification mechanism 1 includes a housing 11, a feeding runner 12, a classification wheel mechanism 13, a classification driving mechanism 14, and a spiral air intake mechanism 15; specifically, a feeding control valve 2 is arranged on the feeding flow passage 12; the feeding runner 12 is located at the top cover of the shell 11, the classifying wheel mechanism 13 comprises a classifying wheel and a fine material bin, and the fine material outlet is connected with the fine material bin; the grading driving mechanism 14 is used for driving the grading wheel to rotate; the spiral air intake mechanism 15 is used to provide a rotating updraft within the housing.
The feeding port of the sealing feeding mechanism 3 is connected with the feeding runner 12; the sealed feeding mechanism 3 comprises a feeding bin 31 and a feeding driving assembly 32, the feeding driving assembly 32 is located below the feeding bin 31, a bin cover is connected to the top of the feeding bin 31, the bin cover and the feeding bin are closed to form a sealed environment in the feeding bin, and the feeding driving assembly 32 is used for supplying materials to be classified to the classifying mechanism 1 in a quantitative mode. The feeding bin is connected with a first material meter 9, the first material meter 9 is connected with the controller 8, and the first material meter 9 is used for obtaining the lowest material value in the feeding bin 31.
The inert gas supply mechanism 4 is connected with the spiral gas inlet mechanism 15 through the inert gas supply mechanism 4; the inert gas supply mechanism 4 comprises an inert gas generating assembly and a pressurizing assembly; the inert gas supply mechanism 4 is used for supplying inert gas with certain pressure into the system through the spiral gas inlet mechanism 15.
The inlet end of the dust removal and collection mechanism 5 is connected with the fine material outlet end of the grading mechanism 1; the dust removal collection mechanism 5 is connected with a second level gauge 10. The bottom of the dust removal collection mechanism 5 is formed with a drain hole 51, and a plurality of observation windows 52 are formed above the drain hole 51.
The air inducing mechanism 6 is connected with the dust removing and collecting mechanism 5, and the air inducing mechanism 6 is connected with the dust removing and collecting mechanism 5; a gas component detection sensor 7 is connected to the air inlet of the induced draft mechanism 6; and an air outlet of the induced draft mechanism 6 is connected with a filtering component.
A controller 8, to which the classification drive mechanism 14, the feed control valve 2, the seal feed mechanism 3, the inert gas supply mechanism 4, the induced draft mechanism 6, and the gas component detection sensor 7 are electrically connected, respectively; the controller 8 is configured to control the operation states of the staging driving mechanism 14, the feed control valve 2, and the seal feed mechanism 3 according to the gas composition at the end of the system detected by the gas composition detection sensor 7.
When the system is used, materials to be classified are filled into the feeding bin of the sealed feeding mechanism, and the bin cover is closed. The controller controls the inert gas supply mechanism and the air inducing mechanism to start, the inert gas supply mechanism supplies inert gas to the system, the air inducing mechanism leads the gas in the system out, the gas component detecting sensor monitors the gas component at the tail end of the system in real time in the process, when the gas component detecting sensor detects that the gas component at the tail end of the system meets the explosion-proof requirement (most of the air in the system is replaced by the inert gas or all the air is replaced by the inert gas at the moment to meet the explosion-proof requirement), the controller controls the feeding control valve to be opened, and controls the grading driving mechanism and the feeding driving assembly to start, the grading driving mechanism drives the grading wheel to rotate, and the feeding driving assembly adds the materials in the feeding bin into the shell of the grading mechanism in a quantitative mode to carry out grading operation. In the classifying process, the material level condition of the materials to be classified in the material supply bin is monitored in real time through the first material meter, and when the material level condition is detected to reach the lowest value, the parts of the controller control system stop working so as to prevent the air in the material supply bin from entering the system to cause danger. Meanwhile, the material level of the material collected in the dust removal collection mechanism can be monitored in real time through the second material level meter, and when the material level in the dust removal collection mechanism reaches the highest value, the controller controls all parts of the system to stop working. Or the discharging electromagnetic valve of the dust removal collection mechanism is controlled to discharge materials without stopping the machine. The lower part of the dust removal collection mechanism can be provided with a third material meter which is used for monitoring the lowest material level value in the dust removal collection mechanism, and when the lowest material level value is reached, the discharge electromagnetic valve is controlled to be closed, so that air is prevented from entering the system through the discharge hole. Of course, it is conceivable that the above operation is also applicable to coarse material discharge of the classifying mechanism, and the discharge and control principle is the same as the material discharge principle at the bottom of the dust-removing and collecting mechanism, and will not be described in detail herein.
In a word, the explosive dust material grading system that this application provided, simple structure is reasonable, installation convenient to use, and area is little. Can carry out the classification in-process at the material, make the inside sealed inert gas protection environment that forms of system, can effectually prevent that explosive dust from exploding. The production process can realize automatic control, and is favorable for improving the production efficiency and saving the labor cost.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (8)
1. An explosive dust material classification system, comprising:
the grading mechanism comprises a shell, a feeding runner, a grading wheel mechanism, a grading driving mechanism and a spiral air inlet mechanism; a feeding control valve is arranged on the feeding flow passage;
the feeding port of the sealing feeding mechanism is connected with the feeding runner;
the inert gas supply mechanism is connected with the spiral gas inlet mechanism;
the inlet end of the dust removal and collection mechanism is connected with the fine material outlet end of the grading mechanism;
the air inducing mechanism is connected with the dust removal collecting mechanism; a gas component detection sensor is connected to the air inlet of the induced draft mechanism;
the grading driving mechanism, the feeding control valve, the sealing feeding mechanism, the inert gas supplying mechanism, the induced draft mechanism and the gas component detection sensor are respectively and electrically connected with the controller; the controller is used for controlling the working states of the grading driving mechanism, the feeding control valve and the sealing feeding mechanism according to the gas composition at the tail end of the system detected by the gas composition detection sensor.
2. The classification system for explosive dust materials of claim 1, wherein the feed runner is located at a top cover of the housing, the classification wheel mechanism comprises a classification wheel and a fines bin, and the fines outlet is connected to the fines bin; the grading driving mechanism is used for driving the grading wheel to rotate; the spiral air intake mechanism is used for providing rotary ascending air flow into the shell.
3. The classification system for explosive dust materials according to claim 1, wherein the sealing and feeding mechanism comprises a feeding bin and a feeding driving assembly, the feeding driving assembly is located below the feeding bin, a bin cover is connected to the top of the feeding bin, a closed environment is formed in the feeding bin after the bin cover and the feeding bin are closed, and the feeding driving assembly is used for supplying materials to be classified to the classification mechanism in a quantitative mode.
4. The explosive dust material classification system according to claim 3, wherein the feed bin is connected to a first material meter, the first material meter is connected to the controller, and the first material meter is configured to obtain a lowest material value in the feed bin.
5. The classification system for explosive dust materials of claim 1, wherein the inert gas supply mechanism comprises an inert gas generation assembly and a pressurization assembly; the inert gas supply mechanism is used for supplying inert gas with certain pressure into the system through the spiral gas inlet mechanism.
6. The classification system for explosive dust materials of claim 1, wherein the dust removal collection mechanism is connected to a second level gauge.
7. The classification system for explosive dust materials according to claim 6, wherein a discharge hole is formed at the bottom of the dust removal collection mechanism, and a plurality of observation windows are formed above the discharge hole.
8. The classification system for explosive dust materials according to claim 1, wherein the exhaust outlet of the induced draft mechanism is connected with a filter assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021394973.5U CN213223262U (en) | 2020-07-16 | 2020-07-16 | Explosive dust material grading system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021394973.5U CN213223262U (en) | 2020-07-16 | 2020-07-16 | Explosive dust material grading system |
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| Publication Number | Publication Date |
|---|---|
| CN213223262U true CN213223262U (en) | 2021-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021394973.5U Active CN213223262U (en) | 2020-07-16 | 2020-07-16 | Explosive dust material grading system |
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| CN (1) | CN213223262U (en) |
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- 2020-07-16 CN CN202021394973.5U patent/CN213223262U/en active Active
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