CN102198446A - Heavy-media dry-method separator with vibration discharge function - Google Patents
Heavy-media dry-method separator with vibration discharge function Download PDFInfo
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- CN102198446A CN102198446A CN2011101130244A CN201110113024A CN102198446A CN 102198446 A CN102198446 A CN 102198446A CN 2011101130244 A CN2011101130244 A CN 2011101130244A CN 201110113024 A CN201110113024 A CN 201110113024A CN 102198446 A CN102198446 A CN 102198446A
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Abstract
本发明公开一种振动排料干法重介质分选机，属分选设备领域。该分选机结构为：箱框前端设有原料入口，后端设有轻产物排料口和重产物排料口；箱框内设置气体分布器，气体分布器前端对应设在所述箱框上原料入口下方，气体分布器后端与重产物排料口连接；箱框底部从头至尾依次设置与气体分布器底部连接的分选风室和排料风室；气体分布器上方设置一层脱介筛板，脱介筛板的长度小于气体分布器，脱介筛板的前端处设有拨料轮，拨料轮和脱介筛板的前端均处于所述箱框上的原料入口之后，脱介筛板的后端与箱框的轻产物排料口连接；箱框上设置能带动箱框内气体分布器和脱介筛板振动的振动装置。该分选机结构简单、分选效率高，加重质循环量小，运行稳定。
The invention discloses a vibration-discharging dry-process heavy medium sorter, which belongs to the field of sorting equipment. The structure of the sorting machine is as follows: the front end of the box frame is provided with a raw material inlet, and the rear end is provided with a light product discharge port and a heavy product discharge port; Below the upper raw material inlet, the rear end of the gas distributor is connected to the heavy product discharge port; the bottom of the box frame is arranged in sequence from the beginning to the end with a sorting air chamber and a discharge air chamber connected to the bottom of the gas distributor; a layer is arranged above the gas distributor Disengagement sieve plate, the length of the disengagement sieve plate is shorter than the gas distributor, the front end of the disengagement sieve plate is provided with a dial wheel, and the front end of the disengagement screen plate and the disengagement sieve plate are both behind the raw material inlet on the box frame , the rear end of the de-medium sieve plate is connected with the light product discharge port of the box frame; a vibration device that can drive the gas distributor in the box frame and the de-medium sieve plate to vibrate is arranged on the box frame. The sorting machine has the advantages of simple structure, high sorting efficiency, small weight circulation and stable operation.
Description
Technical field
The present invention relates to the screening installation field, relate in particular to a kind of vibration discharge dry method heavy-media separator.
Background technology
The coal separation of air dense medium fluid bed is to contact the gas-solid suspended substance that forms with medium solid as separating medium with air, and the density of suspended substance equates substantially that with separating density genus dry type dense medium separation has sharpness of separation height, the wide advantage of adaptability.
As far back as nineteen twenty-five fluidization technology just come out, the T.Fraser of the U.S. just proposes to adopt the gas-solid fluidized bed sorting coal (U.S. Patent number: 1534846) that comes; G.F.Eveson had designed the fluid bed dry method cull eliminator (U.S. Patent number: 3471016) that is similar to the wet method dense media in 1969; Canadian J.M.Beeckmans had developed the moving adverse current fluid bed coal separation device of chain in 1980, and tail coal is carried by the scraper plate machine and discharged body, because backwash effect, the cleaned coal on upper strata flows to the cleaned coal end in the opposite direction and discharges body (U.S. Patent number: 4194971).Above-mentioned technology is because in the aspect researchs such as grain size distribution of setting, marker method and the medium solid of gas distributor inadequately, the density of fluid bed is even inadequately, and the medium solid back-mixing is serious, and sharpness of separation is undesirable, still is in the laboratory research stage so far.China Mining University has carried out air dense medium fluid bed dry coal preparation Study on Technology and exploitation at early eighties, has developed the big pressure drop gas distributor of two-stage composite (U.S. Patent number: 5392922, China Patent No. 87101056.9).Air dense medium fluid bed dry coal preparation technology has following characteristics: sharpness of separation height, possible deviation Ep value 0.08; Technological adaptability is strong, can be used for the sorting of difficult separation coal, and the separating density wide ranges, can be at 1.4～2.0g/cm
3Regulate in the scope.But the unit disposal ability of present air dense medium fluid-bed separator is low, can not satisfy the requirement of building big-and-middle-sized coal preparation plant; Adopt the drag conveyor discharge, make equipment dependability lower, in coal flat more for a long time, gas distributor may produce obstruction through long-time running.
Fig. 1 is current air dense medium fluid-bed separator structural representation, separator is made up of devices such as air chamber, gas distributor, separation chamber and drag conveyors, feed coal feeds from the separator middle part, light density material come-up, heavy density material sinks, and will float thing and hypostasis discharge by stepless chain-and-flight conveyer.As can be known, structurally there is following problem at least in present air dense medium fluid-bed separator from above-mentioned introduction:
(1) the effective area utilization rate in the separator is too little, and material feeds from the separator middle part, and actual effective sorting area only accounts for half of whole sorting area, causes separator unit are treating capacity low;
(2) weight product mode of movement needs to improve, gap between discharge scraper plate and the gas distributor may be by flat spoil piece filling, extruding coal grain embeds in the pore, causes the local obstruction of gas distributor, influences the long-term stability operation of cloth wind uniformity and separator.
Summary of the invention
Based on above-mentioned existing in prior technology problem, the purpose of embodiment of the present invention provides a kind of vibration discharge dry method heavy-media separator, can make full use of the sorting area in the separator, and be convenient to the conveying of light, heavy product, guarantee the long-term stability operation of cloth wind uniformity and separator.
The objective of the invention is to be achieved through the following technical solutions:
Embodiment of the present invention provides a kind of vibration discharge dry method heavy-media separator, and this separator comprises:
Box-frame, material toggling wheel, vibrating device, gas distributor, de-mediated sieve plate, sorting air compartment and discharge air compartment;
Wherein, front end is provided with the feed(raw material)inlet on the described box-frame, and the rear end is respectively equipped with light product discharge gate and heavy product discharge gate, and described light product discharge gate is arranged on the top of heavy product discharge gate;
In the described box-frame gas distributor is set, described gas distributor front end correspondence is located at below, feed(raw material)inlet on the described box-frame, and described gas distributor rear end is connected with described heavy product discharge gate; Described box-frame bottom from first to last sets gradually sorting air compartment and discharge air compartment, and described sorting air compartment and discharge air compartment all are connected bottom the interior described gas distributor of described box-frame;
Described gas distributor top is provided with one deck de-mediated sieve plate, the length of described de-mediated sieve plate is less than described gas distributor, the front end place of described de-mediated sieve plate is provided with the material toggling wheel, the front end of described material toggling wheel and described de-mediated sieve plate all is in after the feed(raw material)inlet on the described box-frame, and the rear end of described de-mediated sieve plate is connected with the light product discharge gate of box-frame;
The vibrating device that can drive interior gas distributor of box-frame and sculping screen panel vibration is set on the described box-frame.
Described gas distributor is a tabular multi-through hole structure.
Described de-mediated sieve plate is a tabular multi-through hole structure.
Described sorting air compartment and discharge air compartment all are connected with described gas distributor in the described box-frame by the parts that are flexible coupling; Described sorting air compartment is all fixedlyed connected with the described gas distributor in the described box-frame with the discharge air compartment, and the sorting air compartment is connected with the airduct of air supply device by the parts that are flexible coupling with the discharge air compartment.
The front end of described de-mediated sieve plate is provided with adjustable overflow weir.
Described vibrating device adopts vibrating motor or vibrator.
Described gas distributor divides two sections settings, and the leading portion gas distributor is horizontally disposed with, and the back segment gas distributor is low early and high after being obliquely installed.
Described horizontally disposed leading portion gas distributor bottom is connected with described sorting air compartment; The described back segment gas distributor bottom that is obliquely installed is connected with described discharge air compartment.
Described de-mediated sieve plate also is low early and high after being obliquely installed.
The angle of inclination of the described de-mediated sieve plate that is obliquely installed is 3～20 °.
As seen from the above technical solution provided by the invention, the advantage of the separator that provides of embodiment of the present invention is as follows:
(1) feed(raw material)inlet is arranged on the box-frame front end of separator, the weight product is all discharged along separator lengthwise movement to tail end, feed raw material than present from the middle part, actual effectively sorting area only accounts for half fluid-bed separator of whole sorting area, effectively improve the unit are treating capacity of separator, improved the utilization rate of sorting area in the machine;
(2) because the mode that adopts vibration to combine with sorting, make this separator can realize the design of maximizing, just can enlarge the treating capacity of separator by the width of widening separator, and the treating capacity of fluid-bed separator in the past is restricted because of adopting scraper plate to carry;
(3) effectively improved the engineering reliability of dry method cull eliminator.Carry the high density material by mode of vibration, the weight product all moves in the same way along separator, helps mechanical arrangement, and extruding coal grain embeds pore to have avoided adopting in the existing separator scraper plate to carry easily, causes the local blocking problem of gas distributor;
(4) conveying of light product and de-mediated have guaranteed the compactedness of separator structure substantially inner incorporate the finishing of separator;
(5) light product drains into upper strata de-mediated sieve plate under the effect of material toggling wheel, discharges through light product discharge gate along sieve plate under the effect of vibrating inertia force; With with light product directly on the lenient side the product discharge gate discharge and to compare, can effectively reduce the discharge rate of medium solid, reduce the circulating load of medium solid.
That this separator has is simple in structure, the efficiency of separation is high, and the medium solid internal circulating load is little, stable characteristics.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the embodiment of the invention, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite of not paying creative work, can also obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the air dense medium fluid-bed separator structural representation of prior art;
The structural representation of the separator that Fig. 2 provides for the embodiment of the invention;
Each label corresponding components name is called among Fig. 2: the 1-box-frame; 2-material toggling wheel; The adjustable overflow weir of 3-; The 4-vibrating device; The 5-gas distributor; 6-de-mediated sieve plate; The 7-parts that are flexible coupling; 8-sorting air compartment; 9-discharge air compartment; The A-feed(raw material)inlet; The light product discharge gate of B-; The heavy product discharge gate of C-.
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on embodiments of the invention, those of ordinary skills belong to protection scope of the present invention not making the every other embodiment that is obtained under the creative work prerequisite.
Below in conjunction with accompanying drawing the embodiment of the invention is described in further detail.
Present embodiment provides a kind of vibration discharge dry method heavy-media separator, can be used on coal, the mineral five equilibrium is chosen, has efficiency of separation height, gently, heavy product good separation effect, stable advantage, as shown in Figure 2, this separator comprises: box-frame 1, material toggling wheel 2, vibrating device, gas distributor 5, de-mediated sieve plate 6, sorting air compartment 8 and discharge air compartment 9;
Wherein, front end is provided with feed(raw material)inlet A on the box-frame 1, and feed(raw material)inlet A is arranged on the end of front end on the box-frame 1, and box-frame 1 rear end is respectively equipped with light product discharge gate B and heavy product discharge gate C, and light product discharge gate B is arranged on the top of heavy product discharge gate C;
Bottom in the box-frame 1 is provided with gas distributor 5, and gas distributor 5 is flat multi-through hole structure, and gas distributor 5 front end correspondences are arranged on A below in feed(raw material)inlet on the box-frame 1, and gas distributor 5 rear ends are connected with heavy product discharge gate C; Box-frame 1 bottom from first to last sets gradually sorting air compartment 8 and discharge air compartment 9, sorting air compartment 8 and discharge air compartment 9 all are connected with gas distributor 5 bottoms in the box-frame 1 by the parts 7 that are flexible coupling, and sorting air compartment 8 is fixedlyed connected with the airduct of outside air supply device with discharge air compartment 9; Perhaps, sorting air compartment 8 is all fixedlyed connected with the gas distributor 5 in the box-frame 1 with discharge air compartment 9, and sorting air compartment 8 is connected with the airduct of the air supply device of outside by the parts that are flexible coupling with discharge air compartment 9.
Two sections settings of gas distributor 5 concrete branches, leading portion gas distributor 51 is horizontally disposed with, horizontally disposed leading portion gas distributor 51 bottoms are connected with sorting air compartment 8 as dividing selections, back segment gas distributor 52 is low early and high after being obliquely installed, back segment gas distributor 52 bottoms that are obliquely installed are connected as discharge zone with discharge air compartment 9, and back segment gas distributor 52 generally can be 3～20 ° of angle lappings and tiltedly be provided with; Be convenient to make heavy product in heavy product discharge gate C output by discharge zone, and reduce medium solid and discharge at heavy product discharge gate.
Gas distributor 5 tops are provided with one deck de-mediated sieve plate 6, de-mediated sieve plate 6 is a tabular multi-through hole structure, de-mediated sieve plate 6 length are less than gas distributor 5, the front end place of de-mediated sieve plate 6 is provided with rotary material toggling wheel 2, the front end of material toggling wheel 2 and de-mediated sieve plate 6 all is in after the feed(raw material)inlet A on the box-frame 1, promptly can not stop the branch selections that 5 horizontally disposed leading portion gas distributors form, the rear end of de-mediated sieve plate 6 is connected with the light product discharge gate B of box-frame 1; The material toggling wheel 2 light products that the branch selections of gas distributor 5 can be sub-elected are sent into de-mediated sieve plate 6, so that product discharge gate B output on the lenient side again behind the light product process de-mediated sieve plate 6.De-mediated sieve plate 6 also is low early and high after being obliquely installed, and generally can be 3～20 ° of angle lappings and tiltedly be provided with, and is parallel with the discharge zone that is obliquely installed 52 formation of back segment gas distributor substantially; Thereby avoid by the material toggling wheel 2 heavy products of sending into also product discharge gate B output on the lenient side, be provided with adjustable overflow weir 3, can play and reduce light, as to weigh product mispairing effect at the front end of de-mediated sieve plate 6.
Vibrating device 4 is set on the box-frame 1, the clutch end of vibrating device 4 is connected with de-mediated sieve plate 6 with gas distributor 5 respectively, can drive gas distributor 5 and 6 vibrations of de-mediated sieve plate in the box-frame 1, thereby gas distributor and de-mediated sieve plate are carried light, the heavy product after selecting under vibrational state, and vibrating device 4 can adopt vibrating motor or vibrator.
The separator of present embodiment forms fluid bed separation section and discharge zone two parts, the pan feeding raw coal enters behind the separator at first in the sorting of fluid bed separation section, the fluid bed bed surface is made of the gas distributor that makes distribution of gas, the case of low density loads on bed top is subjected to the top that gas fluidized dense media effect is suspended in fluid bed, drain into upper strata de-mediated sieve plate under the effect of material toggling wheel, the high density material of bed bottom is discharged to discharge zone under the inertia force effect that vibration produces.Material after fluid bed separates enters discharge zone, light product is discharged through light product discharge gate along the sculping screen plate under the effect of vibrating inertia force, heavy product moves with light product under the effect of vibrating inertia force equally in the same way, discharges through heavy product discharge gate along the gas distributor of distributing gas.
As can be seen, this separator has following advantage from the description of above-mentioned separator to present embodiment:
(1) feed(raw material)inlet is arranged on the box-frame front end of separator, the weight product is all discharged along separator lengthwise movement to tail end, feed raw material than present from the middle part, actual effectively sorting area only accounts for half fluid-bed separator of whole sorting area, effectively improve the unit are treating capacity of separator, improved the utilization rate of sorting area in the machine;
(2) because the mode that adopts vibration to combine with sorting, make this separator can realize the design of maximizing, just can enlarge the treating capacity of separator by the width of widening separator, and the treating capacity of fluid-bed separator in the past is restricted because of adopting scraper plate to carry;
(3) effectively improved the engineering reliability of dry method cull eliminator.Carry the high density material by mode of vibration, the weight product all moves in the same way along separator, helps mechanical arrangement, and extruding coal grain embeds pore to have avoided adopting in the existing separator scraper plate to carry easily, causes the local blocking problem of gas distributor;
(4) conveying of light product and de-mediated have guaranteed the compactedness of separator structure substantially inner incorporate the finishing of separator;
(5) light product drains into upper strata de-mediated sieve plate under the effect of material toggling wheel, discharges through light product discharge gate along sieve plate under the effect of vibrating inertia force; With with light product directly on the lenient side the product discharge gate discharge and to compare, can effectively reduce the discharge rate of medium solid, reduce the magnetic separation load.
That this separator has is simple in structure, the efficiency of separation is high, and the medium solid internal circulating load is little, stable characteristics.The height of bed that has solved present fluidized bed for separation is difficult to the accurately problem of control, because from the discharge angle, if bed surface is low excessively, light product is difficult to discharge, and bed surface is too high, and the medium solid spill-out is big.And the separator of the embodiment of the invention is owing to adopt in the same way mode of vibration output weight material, and by the de-mediated sieve plate to light product discharge, but not directly discharge light product, thereby effectively reduce control accuracy requirement the height of bed.
The above; only for the preferable specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (10)
1. vibration discharge dry method heavy-media separator is characterized in that this separator comprises:
Box-frame, material toggling wheel, vibrating device, gas distributor, de-mediated sieve plate, sorting air compartment and discharge air compartment;
Wherein, front end is provided with the feed(raw material)inlet on the described box-frame, and the rear end is respectively equipped with light product discharge gate and heavy product discharge gate, and described light product discharge gate is arranged on the top of heavy product discharge gate;
In the described box-frame gas distributor is set, described gas distributor front end correspondence is located at below, feed(raw material)inlet on the described box-frame, and described gas distributor rear end is connected with described heavy product discharge gate; Described box-frame bottom from first to last sets gradually sorting air compartment and discharge air compartment, and described sorting air compartment and discharge air compartment all are connected bottom the interior described gas distributor of described box-frame;
Described gas distributor top is provided with one deck de-mediated sieve plate, the length of described de-mediated sieve plate is less than described gas distributor, the front end place of described de-mediated sieve plate is provided with the material toggling wheel, the front end of described material toggling wheel and described de-mediated sieve plate all is in after the feed(raw material)inlet on the described box-frame, and the rear end of described de-mediated sieve plate is connected with the light product discharge gate of box-frame;
The vibrating device that can drive interior gas distributor of box-frame and sculping screen panel vibration is set on the described box-frame.
2. vibration discharge dry method heavy-media separator according to claim 1 is characterized in that described gas distributor is a tabular multi-through hole structure.
3. vibration discharge dry method heavy-media separator according to claim 1 is characterized in that described de-mediated sieve plate is a tabular multi-through hole structure.
4. vibration discharge dry method heavy-media separator according to claim 1 is characterized in that, described sorting air compartment and discharge air compartment all are connected with described gas distributor in the described box-frame by the parts that are flexible coupling; Perhaps, described sorting air compartment is all fixedlyed connected with the described gas distributor in the described box-frame with the discharge air compartment, and the sorting air compartment is connected with the airduct of air supply device by the parts that are flexible coupling with the discharge air compartment.
5. vibration discharge dry method heavy-media separator according to claim 1 is characterized in that the front end of described de-mediated sieve plate is provided with adjustable overflow weir.
6. vibration discharge dry method heavy-media separator according to claim 1 is characterized in that, described vibrating device adopts vibrating motor or vibrator.
7. vibration discharge dry method heavy-media separator according to claim 1 is characterized in that described gas distributor divides two sections settings, and the leading portion gas distributor is horizontally disposed with, and the back segment gas distributor is low early and high after being obliquely installed.
8. vibration discharge dry method heavy-media separator according to claim 7 is characterized in that, described horizontally disposed leading portion gas distributor bottom is connected with described sorting air compartment; The described back segment gas distributor bottom that is obliquely installed is connected with described discharge air compartment.
9. vibration discharge dry method heavy-media separator according to claim 1 is characterized in that described de-mediated sieve plate also is low early and high after being obliquely installed.
10. vibration discharge dry method heavy-media separator according to claim 9 is characterized in that the angle of inclination of the described de-mediated sieve plate that is obliquely installed is 3～20 °.
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| CN2011101130244A CN102198446A (en) | 2011-05-03 | 2011-05-03 | Heavy-media dry-method separator with vibration discharge function |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105381950A (en) * | 2015-10-19 | 2016-03-09 | 中国矿业大学 | Large dry dense medium fluidized bed separation machine and separation system |
| CN106237701A (en) * | 2016-08-30 | 2016-12-21 | 山东金阳矿业集团有限公司 | A kind of portable medium-separation device |
| CN107051709A (en) * | 2017-04-18 | 2017-08-18 | 中煤科工集团唐山研究院有限公司 | The dense media separator of mechanical intervention material layering |
| CN113145460A (en) * | 2021-03-31 | 2021-07-23 | 唐山市神州机械有限公司 | Energy-saving coal dry separation system with multiple air sources for air supply |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105381950A (en) * | 2015-10-19 | 2016-03-09 | 中国矿业大学 | Large dry dense medium fluidized bed separation machine and separation system |
| CN106237701A (en) * | 2016-08-30 | 2016-12-21 | 山东金阳矿业集团有限公司 | A kind of portable medium-separation device |
| CN107051709A (en) * | 2017-04-18 | 2017-08-18 | 中煤科工集团唐山研究院有限公司 | The dense media separator of mechanical intervention material layering |
| CN113145460A (en) * | 2021-03-31 | 2021-07-23 | 唐山市神州机械有限公司 | Energy-saving coal dry separation system with multiple air sources for air supply |
| CN113145460B (en) * | 2021-03-31 | 2024-01-02 | 唐山神州机械集团有限公司 | Energy-saving coal dry separation system with multiple air supply sources |
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Application publication date: 20110928 |