CN205413623U - Mine is with selection powder machine - Google Patents
Mine is with selection powder machine Download PDFInfo
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- CN205413623U CN205413623U CN201520836404.4U CN201520836404U CN205413623U CN 205413623 U CN205413623 U CN 205413623U CN 201520836404 U CN201520836404 U CN 201520836404U CN 205413623 U CN205413623 U CN 205413623U
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Abstract
The utility model discloses a mine is with selection powder machine belongs to mine technical field. The utility model discloses a mine is with selection powder machine, including material distribution bin, gyration portion, transmission portion, farine collection portion and flue -dust retainer, be equipped with rotary portion in the material distribution bin, the material import of the last setting of material distribution bin is stretched into to the gyration portion in, gyration portion links to each other with transmission portion, material distribution bin and farine collection portion are linked together, farine collection portion and outside circulated air headtotail, be equipped with middlings export and fine powder outlet on the flue -dust retainer, material distribution bin and middlings export intercommunication, farine collection portion and fine powder outlet intercommunication. The utility model discloses a mine is with selection powder machine, simple structure, easy and simple to handle, it is convenient to use, and production efficiency is high, and application range is wide, is fit for popularizing and applying.
Description
Technical field
This utility model relates to mining machinery field, particularly a kind of mine powder concentrator.
Background technology
In the recovery process in mine, need Ore is crushed, pulverize, sieve a series of operations such as screening, after the crushed Powdered material of Ore, need the material that particle diameter is different carries out refinement screening, and carry out classification storage according to the grade of material.At present, material is in screening categorizing process, the material time of staying in screening installation is short, fine powder and micropowder that wherein particle diameter is minimum are difficult to be collected, also the inaccuracy of classification is resulted in, the powder making particle size be less than 50 μm is difficult to be collected, and has both caused the pollution of air and environment, also creates the waste of resource.It addition, in current material screening, owing to solid accumulation causes the screening scope of same one-level material the most unstable, fluctuation is more obvious, has a strong impact on the efficiency of separation of material, causes inefficiency.
Utility model content
Goal of the invention of the present utility model is: for the problem of above-mentioned existence, a kind of mine powder concentrator is provided, mainly solve the technical problem that particle size is difficult to be collected less than the powder of 50 μm, by extending the dust-contained airflow time of staying in powder concentrator, thus improve the collecting amount of fine powder at different levels and micropowder；Also solve stock grading unstable, the problem that the efficiency of separation is low, by making material by rotating the eddy flow produced and tangential shearing in assorting room, strengthen and stablize the classification field of force, increase dispersibility and improve classification efficiency.
The technical solution adopted in the utility model is as follows:
Mine of the present utility model powder concentrator, including sub-material storehouse, rotating part, driving section, fines collection portion and flue-dust retainer, it is provided with rotating part in described sub-material storehouse, the material inlet arranged on described sub-material storehouse stretches in rotating part, described rotating part is connected with driving section, described sub-material storehouse is connected with fines collection portion, and described fines collection portion is connected with outer loop wind system；Described flue-dust retainer is provided with coarse powder outlet and exports with fine powder, described sub-material storehouse and coarse powder outlet, described fines collection portion and fine powder outlet.
Due to said structure, material can carry out in sub-material storehouse the differentiation of coarse fodder and fines, specifically coarse fodder is discharged from rotating part, and can discharge from coarse powder outlet below sub-material storehouse；And fines is in rotating part, tossed under certain rotating speed, through outer loop wind, it is purged, and be collected storing in fines collection portion, and finally discharge from fine powder outlet.Mine of the present utility model powder concentrator, solves the technical problem that particle size is difficult to less than the powder of 50 μm be collected, by extending the dust-contained airflow time of staying in powder concentrator, thus improves the collecting amount of fine powder at different levels and micropowder；Also solve stock grading unstable, the problem that the efficiency of separation is low, by making material by rotating the eddy flow produced and tangential shearing in assorting room, strengthen and stablize the classification field of force, increase dispersibility and improve classification efficiency.
Mine of the present utility model powder concentrator, described rotating part includes that spreading disk and cage rotor, described cage rotor are inverted conical structure, and are fixed on above spreading disk；The middle part of described spreading disk is fixedly connected with main shaft, and described main shaft is connected to driving section through cage rotor.
Mine of the present utility model powder concentrator, described cage rotor under little big inverted cone-shaped structure, and the tapering of described cage rotor is 1:5；Described cage rotor is formed by the head and the tail two ends of some grizzly bars are fixing, is spaced apart 0.8-1mm between the most any two grizzly bars；The rotating speed of described cage rotor is 227-233r/min.
Mine of the present utility model powder concentrator, described sub-material storehouse includes that sorting bin and dropping system, described rotating part are located in sorting bin, and the lower section of sorting bin is located at by described dropping system, being provided with material collecting disc between described sorting bin and dropping system, the top of described sorting bin connects with fines collection portion.
Mine of the present utility model powder concentrator, described material collecting disc is the disk-like structure that middle low edge is high, and wherein material collecting disc is provided with some through holes, and the aperture of described through hole is 2-4mm.
Mine of the present utility model powder concentrator, described fines collection portion includes two cyclone cylinders, the top of two cyclone cylinders all connects the bottom communication loop wind entrance of one of them cyclone cylinder with the top of sorting bin, the bottom of another cyclone cylinder connects fine powder outlet, the top equal communication loop wind outlet of two cyclone cylinders.
Mine of the present utility model powder concentrator, described sorting bin is respectively equipped with air velocity transducer with the junction of cyclone cylinder, circulated air entrance, circulated air outlet, described cyclone cylinder is provided with flow sensor with fine powder outlet connection, described driving section is provided with rotation sensor, and wherein air velocity transducer, flow sensor and rotation sensor are connected in control system.
Mine of the present utility model powder concentrator, described control system includes feed module, rotating speed module, wind speed module, material discharging module and PLC；Feed module, including the flow transducer being located at material inlet, is transferred to PLC for the charging rate at material inlet is converted into charging digital signal J；Rotating speed module, including being located at the rotation sensor of driving section, is transferred to PLC for the rotating speed of driving section is converted into rotating speed digital signal Z；Wind speed module, including the air velocity transducer being located at everywhere, for detection wind speed everywhere and be converted into wind speed digital signal F1, F2 and F3 and be transferred to PLC；Material discharging module, including being located at the flow sensor of cyclone cylinder, for detecting the collection flow velocity of the fine powder at this and being converted into discharging digital signal C and be transferred to PLC；PLC, receives each digital signal, and judges △ P=| J-C |, if during △ P ＜ 4, according to rotating speed digital signal and each wind speed digital signal, regulates charging rate, driving section rotating speed, the intake velocity of circulated air and ventilation velocity in real time.
That can automatically detect and manage whole powder concentrator selects powder process, difference between charging and discharging exceedes preset value, can be adjusted automatically by regulation charging rate, wind speed and rotating speed etc., demand according to actual production capacity, ordinary circumstance is all to be adjusted rotating speed and wind speed, to improve efficiency.
Mine of the present utility model powder concentrator, PLC receives wind speed digital signal F1, F2 and F3 of wind speed module transmission, and judges △ F=| F2-F1-F3 |, if during △ F ＞ 2, PLC sends alarm signal to alarm module；Alarm module receives the alarm signal of PLC transmission, and sends audible and visible alarm.
When situations such as the leakages that circulated air occurs, send rapidly alarm, it is to avoid affect its efficiency, reduce the risk of production environment simultaneously.
In sum, owing to have employed technique scheme, the beneficial effects of the utility model are:
1, mine of the present utility model powder concentrator, mainly solves the technical problem that particle size is difficult to less than the powder of 50 μm be collected, by extending the dust-contained airflow time of staying in powder concentrator, thus improves the collecting amount of fine powder at different levels and micropowder；
2, mine of the present utility model powder concentrator, also solving stock grading unstable, the problem that the efficiency of separation is low, by making material by rotating the eddy flow produced and tangential shearing in assorting room, strengthen and stablize the classification field of force, increase dispersibility and improve classification efficiency.
3, mine of the present utility model powder concentrator, simple in construction, easy and simple to handle, easy to use, production efficiency is high, and range is wide, is suitable for popularization and application.
Accompanying drawing explanation
Fig. 1 is the structural representation of mine of the present utility model powder concentrator.
Labelling in figure: 1-drive apparatus, 2-main shaft, 3-cage rotor, 4-spreading disk, 5-cyclone cylinder, 6-dropping system, 7-flue-dust retainer, 8-material collecting disc, F-circulated air.
Detailed description of the invention
Below in conjunction with the accompanying drawings, this utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain this utility model, is not used to limit this utility model.
As shown in Figure 1, mine of the present utility model powder concentrator, including sub-material storehouse, rotating part, driving section, fines collection portion and flue-dust retainer 7, it is provided with rotating part in described sub-material storehouse, the material inlet arranged on described sub-material storehouse stretches in rotating part, described rotating part is connected with driving section, and described sub-material storehouse is connected with fines collection portion, and described fines collection portion is connected with outer loop wind system；Described flue-dust retainer 7 is provided with coarse powder outlet and exports with fine powder, described sub-material storehouse and coarse powder outlet, described fines collection portion and fine powder outlet.Wherein said rotating part includes spreading disk 4 and cage rotor 3, and described cage rotor 3 is in inverted conical structure, and is fixed on above spreading disk 4；The middle part of described spreading disk 4 is fixedly connected with main shaft 2, and described main shaft 2 is connected to driving section through cage rotor 3.Wherein said cage rotor 3 under little big inverted cone-shaped structure, and the tapering of described cage rotor 3 is 1:5；Described cage rotor 3 is formed by the head and the tail two ends of some grizzly bars are fixing, is spaced apart 0.8-1mm(and can be chosen as 0.8mm and 1mm, preferably 0.9mm between the most any two grizzly bars)；The rotating speed of described cage rotor 3 is that 227-233r/min(can be chosen as 227r/min and 233r/min, preferably 230r/min).Wherein said sub-material storehouse includes sorting bin and dropping system 6, and described rotating part is located in sorting bin, and the lower section of sorting bin is located at by described dropping system 6, is provided with material collecting disc 8 between described sorting bin and dropping system 6, and the top of described sorting bin connects with fines collection portion.Wherein said material collecting disc 8 is the disk-like structure that middle low edge is high, and wherein material collecting disc 8 is provided with some through holes, and the aperture of described through hole is 2-4mm.Wherein said fines collection portion includes two cyclone cylinders 5, the top of two cyclone cylinders 5 all connects the bottom communication loop wind entrance of one of them cyclone cylinder 5 with the top of sorting bin, the bottom of another cyclone cylinder 5 connects fine powder outlet, the top equal communication loop wind outlet of two cyclone cylinders 5.
When mine of the present utility model powder concentrator works, material is fed by material inlet, falls on spreading disk;Main shaft drives spreading disk revolution, it dispersed is come;The circulated air that the outer main air blower of machine blasts from bottom to top carries out classification to material, and coarse granule falls into dropping system (6) through material collecting disc (8), and discharges from coarse powder outlet；Fine powder rises with air-flow, passes through the cage rotor of revolution, and coarse granule is exported by shooting down coarse powder；Thinner granule enters cyclone cylinder with air-flow and is collected, and through flue-dust retainer, discharges from fine powder outlet.The outlet of the air-flow air outlet from cyclone cylinder top, blast main, circulated air enters the entrance of main air blower, forms circulating current.
Mine of the present utility model powder concentrator, uses height to shed the spreading disk of ability, makes material dispersion uniformly, fully.Spindle drive selects buncher, can change spreading disk rotating speed, and regulation product fineness is convenient.Increasing a cage rotor above spreading disk, the surface of its inverted cone rotates the eddy flow produced and tangential shearing, can strengthen and stablize the classification field of force, increases dispersibility and improves classification efficiency.Additionally, use the cyclone cylinder of efficient low-resistance to collect fine powder, increase air intake vortex angle, extend the dust-contained airflow time of staying in cyclone cylinder, thus improve the collecting amount of fine powder at different levels and micropowder.Mine of the present utility model powder concentrator, compact conformation, invest low, energy-saving high yield effect substantially, advantageously reduce production cost；Because the capacity gauge of fine powder is limited by cyclone cylinder, the specification of rotor powder concentrator should not maximize, and micropowder otherwise can be caused to run off too much, affect ground prod quality.
Mine of the present utility model powder concentrator, described sorting bin is respectively equipped with air velocity transducer with the junction of cyclone cylinder 5, circulated air entrance, circulated air outlet, described cyclone cylinder 5 is provided with flow sensor with fine powder outlet connection, described driving section is provided with rotation sensor, and wherein air velocity transducer, flow sensor and rotation sensor are connected in control system.Described control system includes feed module, rotating speed module, wind speed module, material discharging module and PLC；Feed module, including the flow transducer being located at material inlet, is transferred to PLC for the charging rate at material inlet is converted into charging digital signal J；Rotating speed module, including being located at the rotation sensor of driving section, is transferred to PLC for the rotating speed of driving section is converted into rotating speed digital signal Z；Wind speed module, including the air velocity transducer being located at everywhere, for detection wind speed everywhere and be converted into wind speed digital signal F1, F2 and F3 and be transferred to PLC；Material discharging module, including being located at the flow sensor of cyclone cylinder 5, for detecting the collection flow velocity of the fine powder at this and being converted into discharging digital signal C and be transferred to PLC；PLC, receives each digital signal, and judges △ P=| J-C |, if during △ P ＜ 4, according to rotating speed digital signal and each wind speed digital signal, regulates charging rate, driving section rotating speed, the intake velocity of circulated air and ventilation velocity in real time.Wherein PLC receives wind speed digital signal F1, F2 and F3 of wind speed module transmission, and judges △ F=| F2-F1-F3 |, if during △ F ＞ 2, PLC sends alarm signal to alarm module；Alarm module receives the alarm signal of PLC transmission, and sends audible and visible alarm.
Mine of the present utility model powder concentrator, that can automatically detect and manage whole powder concentrator selects powder process, difference between charging and discharging exceedes preset value, can be adjusted automatically by regulation charging rate, wind speed and rotating speed etc., demand according to actual production capacity, ordinary circumstance is all to be adjusted rotating speed and wind speed, to improve efficiency.The phenomenon such as simultaneously once occur leaking out will have a strong impact on its efficiency, therefore can send alarm.
In sum, mine of the present utility model powder concentrator, mainly solve the technical problem that particle size is difficult to less than the powder of 50 μm be collected, by extending the dust-contained airflow time of staying in powder concentrator, thus improve the collecting amount of fine powder at different levels and micropowder；Also solve stock grading unstable, the problem that the efficiency of separation is low, by making material by rotating the eddy flow produced and tangential shearing in assorting room, strengthen and stablize the classification field of force, increase dispersibility and improve classification efficiency.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all any amendment, equivalent and improvement etc. made within spirit of the present utility model and principle, within should be included in protection domain of the present utility model.
Claims (9)
1. a mine powder concentrator, it is characterized in that: include sub-material storehouse, rotating part, driving section, fines collection portion and flue-dust retainer (7), it is provided with rotating part in described sub-material storehouse, the material inlet arranged on described sub-material storehouse stretches in rotating part, described rotating part is connected with driving section, described sub-material storehouse is connected with fines collection portion, and described fines collection portion is connected with outer loop wind system；Described flue-dust retainer (7) is provided with coarse powder outlet and exports with fine powder, described sub-material storehouse and coarse powder outlet, described fines collection portion and fine powder outlet.
2. mine as claimed in claim 1 powder concentrator, it is characterised in that: described rotating part includes spreading disk (4) and cage rotor (3), and described cage rotor (3) is in inverted conical structure, and is fixed on spreading disk (4) top；The middle part of described spreading disk (4) is fixedly connected with main shaft (2), and described main shaft (2) is connected to driving section through cage rotor (3).
3. mine as claimed in claim 2 powder concentrator, it is characterised in that: described cage rotor (3) under little big inverted cone-shaped structure, and the tapering of described cage rotor (3) is 1:5；Described cage rotor (3) is formed by the head and the tail two ends of some grizzly bars are fixing, is spaced apart 0.8-1mm between the most any two grizzly bars；The rotating speed of described cage rotor (3) is 227-233r/min.
4. mine as claimed in claim 3 powder concentrator, it is characterized in that: described sub-material storehouse includes sorting bin and dropping system (6), described rotating part is located in sorting bin, the lower section of sorting bin is located at by described dropping system (6), being provided with material collecting disc (8) between described sorting bin and dropping system (6), the top of described sorting bin connects with fines collection portion.
5. mine as claimed in claim 4 powder concentrator, it is characterised in that: described material collecting disc (8) is the disk-like structure that middle low edge is high, and wherein material collecting disc (8) is provided with some through holes, and the aperture of described through hole is 2-4mm.
6. mine as claimed in claim 5 powder concentrator, it is characterized in that: described fines collection portion includes two cyclone cylinders (5), the top of two cyclone cylinders (5) all connects with the top of sorting bin, the bottom communication loop wind entrance of one of them cyclone cylinder (5), the bottom of another cyclone cylinder (5) connects fine powder outlet, the top equal communication loop wind outlet of two cyclone cylinders (5).
7. mine as claimed in claim 6 powder concentrator, it is characterized in that: described sorting bin is respectively equipped with air velocity transducer with the junction of cyclone cylinder (5), circulated air entrance, circulated air outlet, described cyclone cylinder (5) and fine powder outlet connection are provided with flow sensor, described driving section is provided with rotation sensor, and wherein air velocity transducer, flow sensor and rotation sensor are connected in control system.
8. mine as claimed in claim 7 powder concentrator, it is characterised in that: described control system includes feed module, rotating speed module, wind speed module, material discharging module and PLC；
Feed module, including the flow transducer being located at material inlet, is transferred to PLC for the charging rate at material inlet is converted into charging digital signal J；
Rotating speed module, including being located at the rotation sensor of driving section, is transferred to PLC for the rotating speed of driving section is converted into rotating speed digital signal Z；
Wind speed module, including the air velocity transducer being located at everywhere, for detection wind speed everywhere and be converted into wind speed digital signal F1, F2 and F3 and be transferred to PLC；
Material discharging module, including being located at the flow sensor of cyclone cylinder (5), for detecting the collection flow velocity of the fine powder at this and being converted into discharging digital signal C and be transferred to PLC；
PLC, receives each digital signal, and judges △ P=| J-C |, if during △ P ＜ 4, according to rotating speed digital signal and each wind speed digital signal, regulates charging rate, driving section rotating speed, the intake velocity of circulated air and ventilation velocity in real time.
9. mine as claimed in claim 8 powder concentrator, it is characterized in that: PLC receives wind speed digital signal F1, F2 and F3 of wind speed module transmission, and △ F=| F2-F1-F3 | is judged, if during △ F ＞ 2, PLC sends alarm signal to alarm module；Alarm module receives the alarm signal of PLC transmission, and sends audible and visible alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520836404.4U CN205413623U (en) | 2015-10-27 | 2015-10-27 | Mine is with selection powder machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520836404.4U CN205413623U (en) | 2015-10-27 | 2015-10-27 | Mine is with selection powder machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205413623U true CN205413623U (en) | 2016-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520836404.4U Expired - Fee Related CN205413623U (en) | 2015-10-27 | 2015-10-27 | Mine is with selection powder machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205413623U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105170463A (en) * | 2015-10-27 | 2015-12-23 | 张荣斌 | Powder selecting machine for mine |
-
2015
- 2015-10-27 CN CN201520836404.4U patent/CN205413623U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105170463A (en) * | 2015-10-27 | 2015-12-23 | 张荣斌 | Powder selecting machine for mine |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20161027 |
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| CF01 | Termination of patent right due to non-payment of annual fee |