CN103861739A - High-voltage electric separator applicable to separation of pulverized fuel ash - Google Patents
High-voltage electric separator applicable to separation of pulverized fuel ash Download PDFInfo
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- CN103861739A CN103861739A CN201410115768.3A CN201410115768A CN103861739A CN 103861739 A CN103861739 A CN 103861739A CN 201410115768 A CN201410115768 A CN 201410115768A CN 103861739 A CN103861739 A CN 103861739A
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- separators
- coal ash
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Abstract
The invention discloses a high-voltage electric separator applicable to separation of pulverized fuel ash. The high-voltage electric separator comprises a rack, wherein the rack is dived into a feeding zone, separation zones and a material receiving zone in sequence in a material separation direction; a vibration cloth hopper and a riffle are arranged in the feeding zone; the vibration cloth hopper and the riffle are mounted at the top of the rack; the riffle is fixed on the vibration cloth hopper; two separation zones are arranged in parallel and located under the vibration cloth hopper. The high-voltage electric separator applicable to separation of the pulverized fuel ash has the advantages of compact structure, little pollution and capability of continuously and uniformly feeding.
Description
Technical field
The present invention relates to a kind of equipment of coal ash sorting, relate in particular to a kind of Separators and High Tension Separation for coal ash sorting.
Background technology
Flyash is a kind of industrial residue that thermal power plant pulverized-coal fired boiler is discharged, and receives to catch the powder getting off and be called flyash in the flue gas from coal combustion.China, take coal as main energy sources, reaches more than 400,000,000 ton with coal every year, and flyash is one of industrial residue that the current discharge capacity of China is larger.The comprehensive utilization of flyash, is the important means that solves contradiction between China's power generation environmental pollution and resource shortage, is also one of task of solution that power generation faces.Through developmental research, flyash is widely used in all departments such as building work, building materials, water conservancy.For the behavior of standard and guiding total utilization of PCA, promote the sound development of total utilization of PCA, on January 5th, 2013, Fa Gai Hui Dengshige department of country of China announced " total utilization of PCA management method ".
Because the phosphorus content of a large amount of flyash is too high, just cannot obtain fully and reasonably utilizing without carbonization treatment.In the time that flyash mixes concrete as admixture, the phosphorus content of flyash is higher, and concrete institute water requirement is just larger, thereby causes water-cement ratio to improve, had a strong impact on giving full play to of flyash effect, and the too high meeting of flyash loss on ignition has a strong impact on the control to Air Content of Air-entrained Concrete.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art, a kind of compact conformation is provided, pollute little, can the flyash of continuous uniform feed in carbon and ash content from the Separators and High Tension Separation for coal ash sorting.
For solving the problems of the technologies described above, the technical scheme that the present invention proposes is:
A kind of Separators and High Tension Separation for coal ash sorting, comprise frame, described frame is divided into feed zone, point constituency and material receiving area successively along material sorting direction, described feed zone involving vibrations cloth bucket and riffle, described vibration cloth bucket and riffle are installed in the top in frame, described riffle is fixed on vibration cloth bucket, and described point of constituency is provided with two side by side, and is positioned at the below of vibration cloth bucket.
Described riffle distributes along feed length direction, and described vibration cloth bucket is provided with vibrating motor, and described vibrating motor drives vibration cloth bucket to do back and forth or circular motion along the length direction of vibration cloth bucket.
Described feed zone also comprises feed hopper and star-like feeder, and described feed hopper is connected with star-like feeder, and described star-like feeder is corresponding with described riffle.
Described star-like feeder is provided with the structure of an entirety or two series connection, between two described star-like feeders of series connection, overlaps connection for transmission by tooth.
Each described point constituency includes corona combination electrode and cylinder electrode, described corona combination electrode is concentric with the surface of cylinder electrode and is equally spaced, and form electric field, described cylinder electrode is provided with the rolling discharging hairbrush that is attached to cylinder electrode surface material for brushing down, and the below of described cylinder electrode is provided with the demarcation strip of separating the material that electric conductivity is different.
Described cylinder electrode is provided with the variable-frequency governor of adjusting rotary speed.
The drum length of described cylinder electrode is 2.0m～4.0m.
The curved distribution of corona discharge electrode of described corona combination electrode, described corona combination electrode is provided with automatic takeup.
Described rolling discharging hairbrush is made up of overall hairbrush or many ring-type hairbrush axles assembled and that rotate with electric brush, and described rolling discharging hairbrush is provided with hairbrush driving belt automatic takeup.
Described material receiving area comprises conductor groove and the non-conductor groove that connects material that connects material, and described conductor groove and the non-conductor groove that connects material that connects material is located at the below of demarcation strip.
Compared with prior art, the invention has the advantages that:
(1) Separators and High Tension Separation for coal ash sorting of the present invention, riffle can carry out sorting by material mean allocation to point constituency of both sides, and compact conformation is reasonable, complete machine seals completely, does not produce secondary pollution, and floor space is little, disposal ability is large, and operation and maintenance is simple.
(2) Separators and High Tension Separation for coal ash sorting of the present invention, utilize uncompleted burned carbon in flyash (high-carbon ash part) and burnt the difference of ash (the grey part of low-carbon (LC)) particle surface electric conductivity, in the compound field of the high-voltage corona utmost point and stationary electrode generation, utilize electric field force for master, what be aided with other power is used for realizing coal ash sorting.
(3) charging gear of the present invention comprises star-like feeder, not only can guarantee feed continuously and evenly, can also realize accurate quantitative analysis feed.
(4) drum length of cylinder electrode of the present invention is 2.0m～4.0m, and compared with prior art, disposal ability has improved 50%.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 be in Fig. 1 A to structural representation.
Number in the figure explanation:
1, feed hopper; 2, star-like feeder; 3, vibration cloth bucket; 4, riffle; 5, corona combination electrode; 6, cylinder electrode; 7, rolling discharging hairbrush; 8, demarcation strip; 9, the conductor groove that connects material; 10, the non-conductor groove that connects material; 11, frame; 12, housing.
The specific embodiment
Below in conjunction with Figure of description and specific embodiment, the invention will be further described.
Fig. 1 and Fig. 2 show a kind of embodiment of the Separators and High Tension Separation for coal ash sorting of the present invention, comprise frame 11, frame 11 is divided into feed zone, point constituency and material receiving area successively along material sorting direction, feed zone comprises charging gear and distribution device, distribution device involving vibrations cloth bucket 3 and riffle 4, vibration cloth bucket 3 and riffle 4 are installed in the top in frame 11, and riffle 4 is fixed on vibration cloth bucket 3, and joins with the outlet of charging gear.Point constituency is provided with two side by side, and is positioned at the below of vibration cloth bucket 3, and riffle 4 can carry out sorting along the blanking mean allocation of vibration cloth bucket 3 length directions to point constituency of both sides, makes that whole electrostatic separator compact conformation is reasonable, floor space is little.Each point of constituency includes corona combination electrode 5 and cylinder electrode 6, and cylinder electrode 6 is positioned at the below of vibration cloth bucket 3, and the material of vibration cloth bucket 3 falls on cylinder electrode 6, and corona combination electrode 5 is concentric with the surface of cylinder electrode 6 and is equally spaced.After energising, between corona combination electrode 5 and cylinder electrode 6, form electric field, for the material on sorting cylinder electrode 6.Cylinder electrode 6 is provided with the rolling discharging hairbrush 7 that is attached to cylinder electrode 6 surperficial materials for brushing down, rolling discharging hairbrush 7 is for brushing down the material that is attached to cylinder electrode 6 surfaces, the Surface Contact of rolling discharging hairbrush 7 and cylinder electrode 6, the below of cylinder electrode 6 is provided with the demarcation strip 8 of separating the material that electric conductivity is different.Material receiving area comprises conductor groove 9 and the non-conductor groove 10 that connects material that connects material, and conductor groove 9 and the non-conductor groove 10 that connects material that connects material is located at the below of demarcation strip 8, and the position that connects material of two grooves that connect material can regulate by demarcation strip 8.Separators and High Tension Separation for coal ash sorting of the present invention, utilize uncompleted burned carbon in flyash (high-carbon ash part) and burnt the difference of ash (the grey part of low-carbon (LC)) particle surface electric conductivity, in the compound field that the high-voltage corona utmost point producing at cylinder electrode 6 and corona combination electrode 5 and stationary electrode produce, utilize electric field force for master, what be aided with other power is used for realizing coal ash sorting, complete machine seals completely, does not produce secondary pollution, and operation and maintenance is simple.
In the present embodiment, riffle 4 distributes along the whole feed length direction of vibration cloth bucket 3, and vibration cloth bucket 3 is provided with vibrating motor.Vibrating motor carries out direct connection or fixes by spring base, motor cabinet, flat spring, vibrating motor drives vibration cloth bucket 3 to do circumference or reciprocating motion along the length direction of vibration cloth bucket 3, and riffle 4 is evenly divided into two-way again by smooth-going cylinder electrode 6 upper surfaces that drop into level two rotations arranged side by side of vibration cloth bucket 3 by material.
In the present embodiment, charging gear comprises housing 12, feed hopper 1 and star-like feeder 2, housing 12 is fixed on the top of frame 11, housing 12 tops are provided with charging aperture, bottom is provided with discharging opening, feed hopper 1 is connected with the charging aperture of housing 12, star-like feeder 2 is installed in housing 12 and is connected with feed hopper 1, the outlet of star-like feeder 2 is connected with discharging opening, star-like feeder 2 is provided with two, the length of each star-like feeder 2 is 1.5m, between two star-like feeders 2, overlaps connection for transmission by tooth, is driven by a motor.Star-like feeder 2 of the present invention, not only can guarantee feed continuously and evenly, can also realize accurate quantitative analysis feed.
In the present embodiment, the drum length of cylinder electrode 6 is 3m, and disposal ability has improved 50% left and right.Bolster is housed in cylinder, on bolster, is fixed with electric calorifie installation and temp testing controlling system.Cylinder electrode 6 is provided with the variable-frequency governor of adjusting rotary speed, and the revolution of cylinder electrode 6 reliablely and stablely regulates by variable-frequency governor, energy-conservation and separating effect is remarkable.
In the present embodiment, corona combination electrode 5 is corona-static combination electrodes, the curved distribution of corona discharge electrode.The position of the quantity of corona discharge electrode, stationary electrode in corona combination electrode 5, and spacing between corona combination electrode 5 and cylinder electrode 6, all can according to requirements regulate, corona combination electrode 5 is provided with automatic takeup, and automatic takeup is spring auto-compensation tensioning apparatus, simple and reliable for structure, make corona discharge electrode in cylinder rotation and in the vibration environment producing, can keep pulling tight in advance, the amplitude of beating is little, corona electricity district is precise and stable, mounting or dismounting are safeguarded very convenient.
In the present embodiment, rolling discharging hairbrush 7 is made up of many ring-type hairbrush axles assembled and that rotate with electric brush, and existing good discharging effect, had again compared with the long life.In other embodiment, can adopt overall hairbrush.Rolling discharging hairbrush 7 is provided with brush belt automatic takeup, is adjusting behind the hairbrush of rolling discharging hairbrush 7 and the gap of roller, without the tensioning of considering again belt.
The operation principle of the Separators and High Tension Separation for coal ash sorting of the present invention is:
Material feeds feed hopper 1 by blanking every sieve, after feed hopper 1 heat drying, flows into star-like feeder 2, then feeds vibration cloth bucket 3 and riffle 4 by star-like feeder 2; Material is by vibration cloth bucket 3 and smooth-going cylinder electrode 6 upper surfaces that fall into rotation of riffle 4.Selected material enters behind the electric field region being made up of cylinder electrode 6 and arc multifibres corona combination electrode 5, all negative electrical charge on lotus.The good material particles of electric conductivity, in the time contacting with cylinder, can promptly discharge through cylinder electrode 6 electrically charged institute, is electroneutral or electropositive, be subject to the repulsion of electrostatic attraction and image charge, and the effect of centrifugal force, do projectile motion and depart from cylinder, fall into the conductor groove 9 that connects material; Non-conductor material particles, because not discharging or discharge very lentamente its charged lotus, so be attached to more securely cylinder electrode 6 surfaces, and along with cylinder is made uniform motion together, then be scrolled discharging hairbrush 7 and brush non-conductor and connect material in groove 10.So, material is just pressed the functional and bad difference of conductor performance of conductor, has realized separation.
Although the present invention discloses as above with better embodiment, but not in order to limit the present invention.Any those of ordinary skill in the art, in the situation that not departing from technical solution of the present invention scope, can utilize the technology contents of above-mentioned announcement to make many possible variations and modification to technical solution of the present invention, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not depart from technical solution of the present invention,, all should drop in the scope of technical solution of the present invention protection any simple modification made for any of the above embodiments, equivalent variations and modification according to the technology of the present invention essence.
Claims (10)
1. the Separators and High Tension Separation for coal ash sorting, comprise frame (11), described frame (11) is divided into feed zone, point constituency and material receiving area successively along material sorting direction, it is characterized in that: described feed zone involving vibrations cloth bucket (3) and riffle (4), described vibration cloth bucket (3) and riffle (4) are installed in the top in frame (11), described riffle (4) is fixed on vibration cloth bucket (3), described point of constituency is provided with two side by side, and is positioned at the below of vibration cloth bucket (3).
2. the Separators and High Tension Separation for coal ash sorting according to claim 1, it is characterized in that: described riffle (4) distributes along feed length direction, described vibration cloth bucket (3) is provided with vibrating motor, and described vibrating motor drives vibration cloth bucket (3) to do back and forth or circular motion along the length direction of vibration cloth bucket (3).
3. the Separators and High Tension Separation for coal ash sorting according to claim 1 and 2, it is characterized in that: described feed zone also comprises feed hopper (1) and star-like feeder (2), described feed hopper (1) is connected with star-like feeder (2), and described star-like feeder (2) is corresponding with described riffle (4).
4. the Separators and High Tension Separation for coal ash sorting according to claim 3, is characterized in that: described star-like feeder (2) is provided with the structure of an entirety or two series connection, between two described star-like feeders (2) of series connection, overlaps connection for transmission by tooth.
5. the Separators and High Tension Separation for coal ash sorting according to claim 1 and 2, it is characterized in that: each described point constituency includes corona combination electrode (5) and cylinder electrode (6), described corona combination electrode (5) is concentric with the surface of cylinder electrode (6) and is equally spaced, and form electric field, described cylinder electrode (6) is provided with the rolling discharging hairbrush (7) for being attached to the surperficial material of cylinder electrode (6) under brush, and the below of described cylinder electrode (6) is provided with the demarcation strip (8) of separating the material that electric conductivity is different.
6. the Separators and High Tension Separation for coal ash sorting according to claim 5, is characterized in that: described cylinder electrode (6) is provided with the variable-frequency governor of adjusting rotary speed.
7. the Separators and High Tension Separation for coal ash sorting according to claim 5, is characterized in that: the drum length of described cylinder electrode (6) is 2.0m～4.0m.
8. the Separators and High Tension Separation for coal ash sorting according to claim 5, is characterized in that: the curved distribution of corona discharge electrode of described corona combination electrode (5), described corona combination electrode (5) is provided with automatic takeup.
9. the Separators and High Tension Separation for coal ash sorting according to claim 5, it is characterized in that: described rolling discharging hairbrush (7) is made up of overall hairbrush or many ring-type hairbrush axles assembled and that rotate with electric brush, and described rolling discharging hairbrush (7) is provided with hairbrush driving belt automatic takeup.
10. the Separators and High Tension Separation for coal ash sorting according to claim 5, it is characterized in that: described material receiving area comprises conductor groove (9) and the non-conductor groove (10) that connects material that connects material, described conductor groove (9) and the non-conductor groove (10) that connects material that connects material is located at the below of demarcation strip (8).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410115768.3A CN103861739B (en) | 2014-03-26 | 2014-03-26 | Separators and High Tension Separation for coal ash sorting |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410115768.3A CN103861739B (en) | 2014-03-26 | 2014-03-26 | Separators and High Tension Separation for coal ash sorting |
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| CN103861739A true CN103861739A (en) | 2014-06-18 |
| CN103861739B CN103861739B (en) | 2016-07-06 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109483766A (en) * | 2018-11-20 | 2019-03-19 | 宁波回珑再生资源科技股份有限公司 | A kind of material sorting device |
| CN115946265A (en) * | 2023-01-17 | 2023-04-11 | 广东省科学院资源利用与稀土开发研究所 | Electrostatic separator |
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| US20030192813A1 (en) * | 2002-04-10 | 2003-10-16 | Yan Eric S. | High-tension electrostatic classifier and separator, and associated method |
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| US4251353A (en) * | 1978-11-13 | 1981-02-17 | Knoll Frank S | Method of treating refuse to separate valuable constituents |
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| CN109483766A (en) * | 2018-11-20 | 2019-03-19 | 宁波回珑再生资源科技股份有限公司 | A kind of material sorting device |
| CN115946265A (en) * | 2023-01-17 | 2023-04-11 | 广东省科学院资源利用与稀土开发研究所 | Electrostatic separator |
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| CN103861739B (en) | 2016-07-06 |
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Inventor after: Gong Wenyong Inventor after: Zhang Hua Inventor after: Cao Zhiqun Inventor after: Liang Han Inventor after: Liu Yang Inventor after: Ma Chongzhen Inventor after: Zhang Jianwen Inventor after: Zhong Wenli Inventor after: Yuan Fu Inventor before: Gong Wenyong Inventor before: Zhang Hua Inventor before: Liang Han Inventor before: Cao Zhiqun Inventor before: Ma Chongzhen Inventor before: Liu Yang Inventor before: Zhang Jianwen Inventor before: Yuan Fu |
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Free format text: CORRECT: INVENTOR; FROM: GONG WENYONG ZHANG HUA LIANG HAN CAO ZHIQUN MA CHONGZHEN LIU YANG ZHANG JIANWEN YUAN FU TO: GONG WENYONG ZHANG HUA CAO ZHIQUN LIANG HAN LIU YANG MA CHONGZHEN ZHANG JIANWEN ZHONG WENLI YUAN FU |
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