CN102773170A - Push flow aeration type coal ash flotation and separation device - Google Patents
Push flow aeration type coal ash flotation and separation device Download PDFInfo
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- CN102773170A CN102773170A CN2012102581575A CN201210258157A CN102773170A CN 102773170 A CN102773170 A CN 102773170A CN 2012102581575 A CN2012102581575 A CN 2012102581575A CN 201210258157 A CN201210258157 A CN 201210258157A CN 102773170 A CN102773170 A CN 102773170A
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Abstract
The invention provides a push flow aeration type coal ash flotation and separation device comprising a vertically-arranged drum, an overflow collection device, a tail ash collection device, a feed branching device, an aeration device and a flow pushing device. The overflow collection device is arranged outside the upper section of the drum, and a discharge port is arranged at the bottom end of the overflow collection device; the tail ash collection device is arranged at the lower part of the drum and provided with a tail ash outlet; the feed branching device is located above the overflow collection device, and a plurality of blanking pipelines are arranged at the lower part or the bottom end of the feed branching device; the aeration device comprises a bubble diffuser which comprises a plurality of gas diffusion holes or gas diffusion pipes used for overflowing bubbles; and the flow pushing device is located under the bubble diffuser, and the flow pushing direction of the flow pushing device is pointed at the upper side of the bubble diffuser. In the invention, no physical tower plate is needed, so that the structure is simple and the manufacturing cost is low; the power consumption is small so that the energy source is greatly saved; the used drug dose is less; the ash content of high carbon ash floated by using the flotation device provided by the invention can be reduced to about 10% so that the flotation effect is improved and the high carbon ash with higher carbon content can be obtained.
Description
Technical field
The present invention relates to the flotation of flyash, more particularly, the present invention relates to a kind of plug-flow aeration type flyash FLOTATION SEPARATION equipment.
Background technology
The coal-burning power plant produces a large amount of flue gases through coal burning boiler to proceed electricity generation during the coal-burning boiler operation, and isolated dust is exactly a flyash from this flue gas.Along with development of electric power industry, the flyash discharge capacity of coal-burning power plant increases year by year.The unburned carbon granule that contains in the flyash can be used as the raw material of making active carbon after flotation.
Chinese patent 200810031474.7 discloses a kind of flotation pillar special for fly ash, at flotation column cylindrical shell top pulp distributer is housed, and establishes multilayer bubbling plate in the cylindrical shell; Multiple spot swirl-flow devices and multiple spot tail ash spout hole are established in the cylindrical shell bottom; Install the ore pulp distributing pipe around the pulp distributer, cylindrical shell peripheral device circulating line, the circulating line upper end connects with the ore pulp distributing pipe; Lower end and swirl-flow devices connect; Ore pulp distributing pipe interface is connected the circulating pump two ends respectively with feed inlet and outlet, and high charcoal balanced overflow plate of ash and high charcoal ash overflow collection mouth also are housed on flotation column top, and tail ash spout hole is connected and installed with tail ash automatic control stuff box through pipeline.
Chinese patent 200920064391.8 discloses a kind of CFBB flotation pillar special for fly ash; At the top pulp distributer is housed, in establish multilayer bubbling plate, the multiple spot swirl-flow devices is established in the bottom; The bottom is connected and installed taper tail ash feeder; Install the ore pulp distributing pipe around the pulp distributer, the peripheral device circulating line, the ore pulp distributing pipe connects circulating pump; The high charcoal balanced overflow plate of ash also is housed on flotation column top and collects mouth, the tail ash tube road that its bottom of taper tail ash feeder connects is connected to tail ash automatic control stuff box.
Chinese patent 200920261379.6 discloses a kind of garbage microwave pyrolysis and has produced the stirring floatation equipment that active carbon uses; This stirring floatation equipment comprises: body part F, power section G and stirring flotation section H.Body part F comprises: stir flotation cylinder, frame, the outlet of flotation thing and mixture outlet, power section G comprises: stirring flotation motor and stirring flotation axle, and stir the flotation motor and be fixedly installed on the described frame, stir the flotation motor and be connected with stirring flotation axle.Stirring the flotation section H comprises: stirring vane and flotation blade, stirring vane are fixedly installed on described stirring flotation axle bottom, and the flotation vanes fixed is arranged on described stirring flotation axle top.
Chinese patent 200920063583.7 discloses a kind ofly produces the new equipment of active carbon with flyash, comprises that the former ash of flyash that connects successively advances ash bucket, electronic measuring scale, box tube blower, ore pulp preprocessor, first order flotation column, second level flotation column, first thickener, first filter, first dryer, the special-purpose mill of active carbon, oil water separator, second dryer; Ore pulp preprocessor and second level flotation column also are connected with the automatic medicament feeding machine of dispersant and composite floating chemical, and the special-purpose mill of active carbon also is connected with the high steam pipeline.
Chinese patent 200820046239.2 discloses a kind of flyash flotation carbon process units, the flotation module that flyash flotation carbon process units comprises the screening module that can screen the flyash granularity, stirs module, can leave cleaned coal and tail ash content, dehydration module and the conveying mechanism that become integral body with upper module organic connections successively.
Above-mentioned disclosed floatation equipment all uses the physics column plate, and its complex structure, material cost and processing cost are high, power consumption is big, the flotation agent consumption is big, and flotation effect is undesirable.
Summary of the invention
To the shortcoming of prior art, the purpose of this invention is to provide a kind of physics column plate, simple in structure, cheap for manufacturing cost, power consumption is little, the flotation agent consumption is little and flotation effect is good FLOTATION SEPARATION equipment of not using.
To achieve these goals, the invention provides a kind of plug-flow aeration type flyash FLOTATION SEPARATION equipment, it comprises: the cylindrical shell that vertically is provided with, and floatation process takes place in this cylindrical shell; Overflow gathering apparatus is used to collect the high particle of carbon content that floatingly selects, and it is arranged at the outside of the epimere of cylindrical shell, and its bottom is provided with discharging opening; Tail ash gathering-device, it is arranged at the bottom of cylindrical shell, and it is provided with the outlet of tail ash; The charging part flow arrangement is used to make material to get into cylindrical shell and shunts before, and it is positioned at the overflow gathering apparatus top, and its underpart or bottom are provided with many blanking pipelines; Aerator is used in cylindrical shell, producing bubble to promote floatation process, and it comprises bubble diffusing apparatus; This bubble diffusing apparatus is positioned at cylindrical shell, and is positioned at the below of blanking pipeline bottom, and it comprises a plurality of gas diffusion hole or gas diffusion tube that bubble overflows that are used for; The plug-flow device, it is positioned at the space that cylindrical shell and tail ash gathering-device surrounds, and it is positioned at the bubble diffusing apparatus below, and its plug-flow direction is pointed to the top of bubble diffusing apparatus, and vertical with the plane at a plurality of gas diffusion holes or gas diffusion tube place.
Among the present invention, aerator is to be used for producing bubble at the working solution of liquid or liquid-solid mixing.It both can be various blast aeration devices, for example (little) stingy alveolitoid, middle bubble type, atmosphere alveolitoid, hydraulic shear type, hydraulic blow type blast aeration device; Can be various mechanical aeration devices again, for example pump type impeller aerator, K type impeller aerator, inversed umbrella type impeller aerator and plate impeller aerator etc.; Also can be the aerator of other type.It is preferably blast aeration device commonly used in the sewage disposal; Hydraulic shear type air-diffuser for example, the construction features of its device capable of using itself produce the hydraulic shear effect; Air pocket is cut into minute bubbles; Increase the gas-liquid contact area, reach the purpose of raising the efficiency, as decide spiral aerator etc.
Among the present invention, bubble diffusing apparatus can be the concentric tube that interconnects between tabular, bend pipe, parallel pipe, coil pipe or the adjacent channel of hollow, which is provided with a plurality of gas diffusion hole or gas diffusion tube that bubble overflows that are used for; Also can be a plurality of above-mentioned platy structures or tubular structure laterally arranges up and down.
Among the present invention, when bubble diffusing apparatus overflows bubble through gas diffusion tube, but these a plurality of body anemostat directions straight up as one man, also can be set to separately with different angle points upwards or oblique upper, so that the material in the flotation cells forms turbulent flow.Through making the gas that upwards blows be turbulent condition, the time of contact of carbon granule and bubble is long, contacts more fully, and the probability that fly ash grain is broken for carbon granule and ash particles increases greatly, thereby makes flotation effect better, and flotation efficiency is higher.
Among the present invention, the plug-flow device can be the diving mixer that is used for sewage disposal, submersible agitator, diving impeller etc., and for example power is that 2.2KW, impeller diameter are 320 millimeters submersible agitator.It points to the top of bubble diffusing apparatus, its mainly act on be with the material that is positioned at the cylindrical shell bottom to the top plug-flow, utilize the different specific weight of variable grain in the material, make the different particle layering of phosphorus content; Cooperate other structure or setting simultaneously, can realize the circulation of cylindrical shell inner fluid.According to the material and the duty parameter of flotation, one or more plug-flow devices can be set.
Among the present invention, the plug-flow direction of plug-flow device for along plug-flow device impeller axially and the direction that flows of the fluid that promoted of plug-flow device.Material movement through making the cylindrical shell bottom makes it carry out flotation again to the top of bubble diffusing apparatus.
Operation principle of the present invention is: the main component of flyash is carbon granule and ash content.After adding flotation agent and/or collecting agent and/or other auxiliary agent, the particle in the flyash contacts, collides with bubble, and the carbon granule that floatability is good optionally adheres to bubble, and is carried rising, realizes flotation.The ash content of floatability difference is then to sinking.
Workflow of the present invention is: the powdered coal ash in the charging part flow arrangement and the mixture of flotation agent get into cylindrical shell through many blanking pipelines that are positioned at charging part flow arrangement bottom or bottom.The exhaust in cylindrical shell of the gas diffusion hole of bubble diffusing apparatus or gas diffusion tube, carbon granule adhere to bubble and scatter floating and move upward under the effect of flotation agent, realize the flotation of carbon granule.The particle of falling the cylindrical shell bottom get back under the promotion of plug-flow device bubble diffusing apparatus above, carry out flotation again.The carbon granule that floatingly selects is collected in the overflow gathering apparatus.The ash content of floatability difference is then fallen tail ash gathering-device.
Among the present invention, the plug-flow device produces upwards or thrust obliquely.Carbon granule proportion in the flyash is less, receives the influence of this thrust big, and up stroke is bigger; Correspondingly, the ash content proportion in the flyash is bigger, receives the influence of this thrust little, and up stroke is less; Thereby under the thrust of plug-flow device, the higher particle proportion of phosphorus content is less, is positioned at the upper strata; The particle proportion that phosphorus content is lower is bigger, is positioned at lower floor or bottom.Thereby realized the layering of different specific weight particle in the flyash, and avoided the use of physics column plate (flotation version), simplified device structure, saved equipment cost greatly.
Because aerator and plug-flow device all can be outsourcing piece, floatation equipment of the present invention is not provided with flotation plate, mortar pump simultaneously, makes floatation equipment of the present invention not only simple in structure, and has reduced manufacturing cost; Secondly, because floatation equipment of the present invention does not use mortar pump, the power consumption of plug-flow device and aerator is very little, thereby has saved the energy greatly; In addition, utilize floatation equipment of the present invention, the ash content in the high charcoal ash that flotation obtains can be reduced to about 10%, has improved flotation effect, obtains the higher high charcoal ash of phosphorus content.
According to the embodiment of the invention, the plug-flow device is positioned at the intersection of cylindrical shell inner bottom part, tail ash gathering-device or cylindrical shell and tail ash gathering-device.
Another specific embodiment according to the present invention, aerator are the blast aeration device, and it comprises that wind send device, gas transmission pipeline, bubble diffusing apparatus, and this wind send device to pass through gas transmission pipeline to link to each other with bubble diffusing apparatus.Another specific embodiment according to the present invention, the gas diffusion hole of bubble diffusing apparatus or the number of gas diffusion tube are 3-15, and are divided into multilayer and arrange.
Another specific embodiment according to the present invention; Bubble diffusing apparatus comprises 8 gas diffusion holes or gas diffusion tube; These 8 gas diffusion holes or gas diffusion tube are divided staggered up and down arrange two-layer, and 4 every layer is 90 ° with the angle between adjacent two gas diffusion holes of one deck or the gas diffusion tube.
Another specific embodiment according to the present invention, wind send device to can be air-blast device (for example air blast) or air compression plant (for example air compressor).For example, a capacity is 6m
3/ min, pressure are that 0.7MPa, power are the air compressor of 37KW, can supply the flyash FLOTATION SEPARATION equipment of three playscripts with stage directions invention to use simultaneously.
Another specific embodiment according to the present invention, the sidewall of cylindrical shell are provided with many circulating lines that vertically are provided with outward, and the two ends of circulating line all are communicated with the cylindrical shell fluid.Through circulating line is set, for the fluid in the cylindrical shell provides circulating path, has strengthened the effect of flow circuit, and then realized the repeatedly flotation of material in the cylindrical shell.The height of circulating line is 1.2 meters-3 meters, is preferably 1.5 meters-2 meters; The number of circulating line is the 2-12 bar, is preferably the 4-8 bar.Another specific embodiment according to the present invention, bubble diffusing apparatus is a little more than the bottom of circulating line.
Another specific embodiment according to the present invention, the plug-flow device has a plurality of, and it is positioned at same horizontal plane, and the angle between the adjacent plug-flow device is identical.For example, the plug-flow device has three, and it is positioned at same horizontal plane, and the angle between the adjacent plug-flow device is 120 °; And for example, the plug-flow device has four, and it is positioned at same horizontal plane, and the angle between the adjacent plug-flow device is 90 °.
Another specific embodiment according to the present invention, cylindrical shell are cylinder or side's tube.The corner of side's tube can form reflection, and the particle in the cylinder and the more even distribution of bubble.
According to another specific embodiment of the present invention, FLOTATION SEPARATION equipment also can comprise the barrel that is positioned at FLOTATION SEPARATION equipment or the physical separation means on the bubble diffusing apparatus.Through physical separation means is set, break combining between carbon granule and the ash content effectively, improved the flotation rate of carbon greatly.This physical separation means specifically can be ultrasonic separation means or ultrasonic broken in bulk putting, and improves peeling off of carbon granule and ash content through the emission ultrasonic wave, for example, forms granularity and reaches the ultra-fine carbon granule of 10,000 purposes.Particularly, this ultrasonic separation means or ultrasonic broken in bulk putting comprise ultrasonic transmitter and supporting servicing unit.
According to another specific embodiment of the present invention, overflow gathering apparatus is positioned at the outside of the epimere of cylindrical shell, and its bottom is lower than the top of cylindrical shell, is used to collect the particle that goes out from the overflow of flotation section, and the bottom of overflow gathering apparatus is provided with discharging opening; For example, overflow gathering apparatus can be hydrostatic column porose on the base plate, and the top of cylindrical shell passes from the hole on its base plate, and like this, the particle that floatingly selects in the cylindrical shell is constantly upwards piled up, and just crosses barrel and flows in the overflow gathering apparatus; And for example, the top exterior walls of cylindrical shell is provided with spout hole or overflow pipe, and overflow gathering apparatus is the container that is positioned at this spout hole or overflow pipe below.
According to another specific embodiment of the present invention, tail ash gathering-device is that the awl of pointed end is bucket-shaped, and the outlet of tail ash is positioned at the place, tip of its bottom.The outlet of tail ash connects the tail ash tube road, and for example, the height of the end in this tail ash tube road is positioned on the top layer flotation plate.Further; The end in tail ash tube road is provided with the liquid level regulation apparatus of regulating liquid level in the floatation separator; This liquid level regulation apparatus specifically can comprise: be inserted in the tubule in the tail ash tube road, the external diameter of this tubule is consistent with the internal diameter in tail ash tube road, and the sidewall on this tubule top is provided with a plurality of holes; Be connected in tubule and also can adjust the screw mandrel of tubule height.Wherein, screw mandrel can be fixedly connected on the sidewall or its capping of tubule.
Tail ash in the tail ash tube road goes out from the orifice flow on the tubule sidewall, through regulating the height in hole on the tubule sidewall, can regulate the liquid level in the floatation separator.Particularly, screw mandrel is provided with swing handle, through the rotation swing handle screw mandrel is rotated, and moves up and down thereby drive the tubule that is inserted in the tail ash tube road.
According to another embodiment of the present invention, also comprise the tail ash bin, the tail ash bin is positioned at the end in tail ash tube road, and is enclosed within outside the tail ash tube road, and the bottom or the bottom of tail ash bin have ash discharging hole.
According to another specific embodiment of the present invention, FLOTATION SEPARATION equipment also comprises feed preparing device, and the bottom or the bottom of this feed preparing device are provided with charging line, and this charging line leads to the charging part flow arrangement.The flyash of treating flotation adds chemical agents such as flotation agent in feed preparing device, then through the bottom that is positioned at feed preparing device or the charging line of bottom get into the charging part flow arrangement.Can be provided with agitating device in the feed preparing device, be used for powdered coal ash slurry and flotation agent are fully stirred.Charging line is provided with the slag stock pump, is used for the product pump in the feed preparing device is delivered in the charging part flow arrangement.
According to another specific embodiment of the present invention, the top of tail ash gathering-device can be provided with filter in the cylindrical shell, to slow down the downstream rate of material.
Compared with prior art, the present invention has following beneficial effect:
Among the present invention, the plug-flow device produces upwards or thrust obliquely.Carbon granule proportion in the flyash is less, receives the influence of this thrust big, and up stroke is bigger; Correspondingly, the ash content proportion in the flyash is bigger, receives the influence of this thrust little, and up stroke is less; Thereby under the thrust of plug-flow device, the higher particle proportion of phosphorus content is less, is positioned at the upper strata; The particle proportion that phosphorus content is lower is bigger, is positioned at lower floor or bottom.Thereby realized the layering of different specific weight particle in the flyash, and avoided the use of physics column plate (flotation version), simplified device structure, saved equipment cost greatly.Because aerator and plug-flow device all can be outsourcing piece, floatation equipment of the present invention is not provided with flotation plate, mortar pump simultaneously, makes floatation equipment of the present invention not only simple in structure, and has reduced manufacturing cost; Secondly, because floatation equipment of the present invention does not use mortar pump, the power consumption of plug-flow device and aerator is very little, thereby has saved the energy greatly; Simultaneously, the employed pharmaceutical quantities of floatation equipment of the present invention (flotation agent) lacks about 50% than the floatation equipment of prior art; In addition, utilize floatation equipment of the present invention, the ash content in the high charcoal ash that flotation obtains can be reduced to about 10%, has improved flotation effect, obtains the higher high charcoal ash of phosphorus content.
Below in conjunction with accompanying drawing the present invention is done further detailed description.
Description of drawings
Fig. 1 is the structural representations of embodiments of the invention 1 along the longitudinal section of its axis;
Fig. 2 is the structural representation of embodiments of the invention 1 one cross sections, and it has shown the setting of 8 gas diffusion tube, and wherein the triangle representative is positioned at 4 gas diffusion tube on upper strata, and the square representative is positioned at 4 gas diffusion tube of lower floor;
Fig. 3 is the structural representation of embodiments of the invention 1 another cross section, and it has shown the setting of plug-flow device;
Fig. 4 is the structural representation of the liquid level regulation apparatus of embodiments of the invention 1.
The specific embodiment
Embodiment 1
As shown in Figure 1, the FLOTATION SEPARATION equipment of present embodiment comprises: feed preparing device 1, charging part flow arrangement 2, the cylinder 3 that vertically is provided with, aerator (for example blast aeration device), plug-flow device (for example submersible agitator 6), overflow gathering apparatus 7, tail ash gathering-device 8, liquid level regulation apparatus 9.
Be provided with agitating device 101 in the feed preparing device 1, be used for powdered coal ash slurry and flotation agent are fully stirred.The bottom of feed preparing device 1 is provided with charging line 102, and charging line 102 is provided with slag stock pump 103, and this charging line 102 leads to charging part flow arrangement 2.
Charging part flow arrangement 2 is positioned at overflow gathering apparatus 7 tops, and its underpart is provided with many (for example 6) blanking pipelines 201.The end of blanking pipeline 201 is positioned within the cylinder 3, on the bubble diffusing apparatus 4.
The sidewall of the cylinder 3 that vertically is provided with is provided with the circulating line 301 that many (for example 4) vertically are provided with, and the two ends of circulating line 301 all are communicated with cylinder 3 fluids.The height of circulating line 301 is 1.5 meters.
The blast aeration device comprises that wind send device (for example air compressor 5), gas transmission pipeline 501, bubble diffusing apparatus 4; Bubble diffusing apparatus 4 comprises 8 gas diffusion tube; These 8 gas diffusion tube are divided staggered up and down arrange two-layer; 4 every layer is 90 ° with the angle between adjacent two gas diffusion tube of one deck.As shown in Figure 2, the triangle representative is positioned at 4 gas diffusion tube 401 on upper strata, and the square representative is positioned at 4 gas diffusion tube 402 of lower floor.Bubble diffusing apparatus 4 links to each other with air compressor 5 outside being positioned at cylindrical shell through gas transmission pipeline 501, and gas transmission pipeline 501 is provided with flowmeter 502.
The capacity of air compressor 5 is 6m
3/ min, pressure are that 0.7MPa, power are 37KW, can supply the flyash FLOTATION SEPARATION equipment of three playscript with stage directions embodiment to use simultaneously.
Overflow gathering apparatus 7 is positioned at the outside of cylindrical shell 3 epimeres, and the top of cylinder 3 epimeres is between the top and bottom of overflow gathering apparatus 7; In addition, the bottom of overflow gathering apparatus 7 is provided with discharging opening 701.
Tail ash gathering-device 8 be that the awl of pointed end is bucket-shaped, and its bottom tip place is provided with tail ash outlet 801, and the tail ash exports 801 and is connected with tail ash tube road 802.The end in this tail ash tube road 802 is more lower slightly than the top of cylinder 3, with the liquid level in the adjustment cylinder 3.The end in tail ash tube road 802 is provided with liquid level regulation apparatus 9 (as shown in Figure 4); Liquid level regulation apparatus 9 comprises tubule 901, the capping 903 that is fixedly connected on tubule 901 tops that is inserted in the tail ash tube road 802, the screw mandrel 904 that is fixedly connected on capping 903 tops; Wherein the external diameter of tubule 901 is consistent with the internal diameter in tail ash tube road 802, and the sidewall on tubule 901 tops is provided with a plurality of slotted holes 902; Screw mandrel 904 is provided with swing handle 905, through rotating swing handle 905 screw mandrel 904 is rotated, and moves up and down thereby drive the tubules 901 that are inserted in the tail ash tube road 802, regulates the liquid level in the cylinder 3 through the height of regulating the grey slotted hole 902 that flows out of tail.The tail ash bin is positioned at the end in tail ash tube road 802, and is enclosed within outside the tail ash tube road 802, and the bottom of tail ash bin has ash discharging hole.
In the present embodiment, the power consumption unit that the mixed material in the floatation equipment is moved upward is air compressor (37KW/ platform) and three submersible agitators (2.2KW/ platform).Wherein air compressor is that three FLOTATION SEPARATION equipment are shared, and single FLOTATION SEPARATION is established institute's wasted work rate and is 37KW/3=12.3KW; Three submersible agitator institute wasted work rates are 2.2KW * 3=6.6KW, so it is 12.3+6.6=18.9KW that present embodiment makes the institute's wasted work rate that moves upward of the mixed material in the floatation equipment.In order to reach identical effect, the FLOTATION SEPARATION equipment institute wasted work rate of using Venturi tube of approximately same volume is 55KW.
The employed pharmaceutical quantities of the floatation equipment of present embodiment reduces about 50% than prior art.
Content of ashes in the high charcoal ash that flotation through present embodiment obtains is about 10%, and the content of ashes in the high charcoal ash that the FLOTATION SEPARATION equipment flotation of prior art obtains is about 30%.
Embodiment 2
Embodiments of the invention 2 are with the difference of embodiment 1: 1, the number of blanking pipeline is 8; 2, the height of circulating line is 2 meters; 3, the cylindrical shell side of being cylindrical shell; 4, submersible agitator has four, and the angle between the adjacent submersible agitator is 90 °.
In the present embodiment, the power consumption unit that the mixed material in the floatation equipment is moved upward is: air compressor (37KW/ platform) and three submersible agitators (2.2KW/ platform).Wherein air compressor is that three FLOTATION SEPARATION equipment are shared, and single FLOTATION SEPARATION is established institute's wasted work rate and is 37KW/3=12.3KW; Four submersible agitator institute wasted work rates are 2.2KW * 4=8.8KW, so it is 12.3+8.8=21.1KW that present embodiment makes the institute's wasted work rate that moves upward of the mixed material in the floatation equipment.In order to reach identical effect, the FLOTATION SEPARATION equipment institute wasted work rate of using Venturi tube of approximately same volume is 75KW.
The employed pharmaceutical quantities of the floatation equipment of present embodiment reduces about 50% than prior art.
Content of ashes in the high charcoal ash that flotation through present embodiment obtains is about 10%, and the content of ashes in the high charcoal ash that the FLOTATION SEPARATION equipment flotation of prior art obtains is about 30%.
Though the present invention discloses as above with preferred embodiment, be not in order to limit the scope that the present invention implements.Any those of ordinary skill in the art, promptly every when doing a little improvement in not breaking away from invention scope of the present invention according to the equal improvement that the present invention did, should be invention scope of the present invention and contain.
Claims (10)
1. plug-flow aeration type flyash FLOTATION SEPARATION equipment, it comprises:
The cylindrical shell that vertically is provided with;
Overflow gathering apparatus, it is arranged at the outside of the epimere of said cylindrical shell, and its bottom is provided with discharging opening;
Tail ash gathering-device, it is arranged at the bottom of said cylindrical shell, and it is provided with the outlet of tail ash;
The charging part flow arrangement, it is positioned at said overflow gathering apparatus top, and its underpart or bottom are provided with many blanking pipelines;
Aerator, it comprises bubble diffusing apparatus; Said bubble diffusing apparatus is positioned at said cylindrical shell, and is positioned at the below of said blanking pipeline bottom, and it comprises a plurality of gas diffusion hole or gas diffusion tube that bubble overflows that are used for;
The plug-flow device; It is positioned at the space that said cylindrical shell and said tail ash gathering-device surrounds; It is positioned at said bubble diffusing apparatus below, and its plug-flow direction is pointed to the top of said bubble diffusing apparatus, and vertical with the plane at said a plurality of gas diffusion holes or gas diffusion tube place.
2. FLOTATION SEPARATION equipment as claimed in claim 1, wherein, said plug-flow device is positioned at the intersection of said cylindrical shell inner bottom part, said tail ash gathering-device or said cylindrical shell and said tail ash gathering-device.
3. multistage FLOTATION SEPARATION equipment as claimed in claim 1; Wherein, Said aerator is the blast aeration device, and it comprises that wind send device, gas transmission pipeline, bubble diffusing apparatus, and said wind send device to pass through gas transmission pipeline to link to each other with said bubble diffusing apparatus.
4. multistage FLOTATION SEPARATION equipment as claimed in claim 3, wherein, the gas diffusion hole of said bubble diffusing apparatus or the number of gas diffusion tube are 3-15, and are divided into multilayer and arrange.
5. FLOTATION SEPARATION equipment as claimed in claim 4; Wherein, Said bubble diffusing apparatus comprises 8 gas diffusion holes or gas diffusion tube; These 8 gas diffusion holes or gas diffusion tube are divided staggered up and down arrange two-layer, and 4 every layer is 90 ° with the angle between adjacent two gas diffusion holes of one deck or the gas diffusion tube.
6. FLOTATION SEPARATION equipment as claimed in claim 3, wherein, it is air-blast device or air compression plant that said wind send device.
7. FLOTATION SEPARATION equipment as claimed in claim 1, wherein, the sidewall of said cylindrical shell is provided with many circulating lines that vertically are provided with outward, and the two ends of said circulating line all are communicated with said cylindrical shell fluid.
8. FLOTATION SEPARATION equipment as claimed in claim 7, wherein, the number of said circulating line is the 2-12 bar.
9. FLOTATION SEPARATION equipment as claimed in claim 1, wherein, said plug-flow device has a plurality of, and it is positioned at same horizontal plane, and the angle between the adjacent plug-flow device is identical.
10. FLOTATION SEPARATION equipment as claimed in claim 1, wherein, said plug-flow device is the diving agitating device.
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| CN201210258157.5A CN102773170B (en) | 2012-07-24 | 2012-07-24 | Plug-flow aeration type fuel ash flotation separation equipment |
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| CN201210258157.5A CN102773170B (en) | 2012-07-24 | 2012-07-24 | Plug-flow aeration type fuel ash flotation separation equipment |
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| CN102773170B CN102773170B (en) | 2015-08-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108315237A (en) * | 2018-04-28 | 2018-07-24 | 农业部沼气科学研究所 | Gravity pulling flow type dry fermentation air fertilizer coproduction devices and methods therefor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1276753A (en) * | 1916-05-25 | 1918-08-27 | Frank Groch | Ore concentration. |
| US5182014A (en) * | 1990-05-30 | 1993-01-26 | Goodman Laurence R | Method and apparatus for increasing flotation cell recovery and grade of complex copper-containing ores |
| WO2001066259A2 (en) * | 2000-03-10 | 2001-09-13 | Aeromix Process Systems (Pty) Ltd | Apparatus and process for recovering a desired fraction of a raw material |
| CN102240608A (en) * | 2011-06-10 | 2011-11-16 | 福建省龙岩龙能粉煤灰综合利用有限公司 | Coal ash flotation separation equipment provided with reflection cone gas dispersing device |
| CN202199430U (en) * | 2011-07-04 | 2012-04-25 | 福建省龙岩龙能粉煤灰综合利用有限公司 | Internal cycle type fly ash flotation separation device |
-
2012
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1276753A (en) * | 1916-05-25 | 1918-08-27 | Frank Groch | Ore concentration. |
| US5182014A (en) * | 1990-05-30 | 1993-01-26 | Goodman Laurence R | Method and apparatus for increasing flotation cell recovery and grade of complex copper-containing ores |
| WO2001066259A2 (en) * | 2000-03-10 | 2001-09-13 | Aeromix Process Systems (Pty) Ltd | Apparatus and process for recovering a desired fraction of a raw material |
| CN102240608A (en) * | 2011-06-10 | 2011-11-16 | 福建省龙岩龙能粉煤灰综合利用有限公司 | Coal ash flotation separation equipment provided with reflection cone gas dispersing device |
| CN202199430U (en) * | 2011-07-04 | 2012-04-25 | 福建省龙岩龙能粉煤灰综合利用有限公司 | Internal cycle type fly ash flotation separation device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108315237A (en) * | 2018-04-28 | 2018-07-24 | 农业部沼气科学研究所 | Gravity pulling flow type dry fermentation air fertilizer coproduction devices and methods therefor |
| CN108315237B (en) * | 2018-04-28 | 2023-07-18 | 农业部沼气科学研究所 | Gravity plug flow type dry fermentation gas fertilizer co-production device and method thereof |
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| CN102773170B (en) | 2015-08-19 |
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