CN103977608A - Spiral tube concentration device and using method thereof - Google Patents
Spiral tube concentration device and using method thereof Download PDFInfo
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- CN103977608A CN103977608A CN201410236400.2A CN201410236400A CN103977608A CN 103977608 A CN103977608 A CN 103977608A CN 201410236400 A CN201410236400 A CN 201410236400A CN 103977608 A CN103977608 A CN 103977608A
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Abstract
The invention discloses a spiral tube concentration device and a using method thereof. The spiral tube concentration device comprises a spiral tube, wherein the spiral tube is a spring-shaped hollow three-dimensional structure which is vertically arranged; a feeding hole is formed in the upper end of the spiral tube; a discharge opening is formed in the lower end of the spiral tube; and the discharge opening is separated into a concentrate discharge opening and a circulating water outlet through a separator. Coal slime is separated from the circulating water through centrifugal force generated by centrifugal circular motion of slime water entering a pipeline, the slime water concentration efficiency is greatly improved, and the investment cost is reduced.
Description
Technical field
The present invention relates to a kind of slime water concentration device, relate in particular to a kind of slime water concentration device of helix tube type.
Background technology
Coal preparation plant is in the time adopting wet coal preparation technique, to in raw coal-0.5mm coal adopts floatation process sorting conventionally, black water after sorting must first concentrate, and the concentrated underflow after concentrating just can enter follow-up equipment and dewater, and the concentrated overflow after concentrating can be used as recirculated water and continues to recycle.
Black water after flotation sorting at present all adopts gravity concentration device to concentrate, and the height of enrichment facility thickening efficiency is determined by its concentrated acceleration to a great extent, but because the acceleration of gravity of gravity concentration device is a fixed value, thin mud sinking speed in black water is comparatively slow comparatively speaking, consuming time longer, concentrated effect is not good.When reality is concentrated, often, in order to ensure concentrated quality, provide thickening efficiency, need gravity concentration device that larger settling area is provided, so just increased actual investment and concentrated effect still undesirable.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the invention provides a kind of helix tube type enrichment facility and using method thereof, greatly improved the efficiency of slime water concentration, simple in structure, reduce cost of investment.
Technical scheme: for achieving the above object, technical scheme of the present invention is as follows:
A kind of helix tube type enrichment facility, comprise helix tube, described helix tube is the hollow spring-like stereochemical structure of vertical display, the upper end of described helix tube offers feeding mouth, the bottom of described helix tube offers discharge gate, and described discharge gate becomes concentrate discharge gate and recirculated water outlet by baffle for separating.
Further, described dividing plate is connected with adjusting device, regulates the position of dividing plate at helix tube discharge mouth by adjusting device, changes the export ratio size of concentrate discharge gate and recirculated water outlet; According to the size of the radius of a circle of helix tube and the initial velocity of black water while entering feeding mouth, regulate the position of dividing plate, discharge gate is divided into concentrate discharge gate and the recirculated water outlet of different proportion size.
Further, described feeding mouth is connected with slag stock pump, and described slag stock pump is connected with frequency converter, and described discharge gate place is provided with concentration on-line monitoring equipment, and the signal output part of described concentration on-line monitoring equipment is connected with the signal input part of frequency converter.Described feeding mouth is connected with head tank feed opening, and described head tank is connected with frequency conversion force (forcing) pump, and described discharge gate place is provided with concentration on-line monitoring equipment, and the signal output part of described concentration on-line monitoring equipment is connected with the signal input part of frequency conversion force (forcing) pump.Described feeding mouth is connected with slag stock pump, and described discharge gate place is provided with concentration on-line monitoring equipment, and described dividing plate is connected with motor, and the signal output part of described concentration on-line monitoring equipment is connected with the signal input part of motor.Described feeding mouth is connected with head tank feed opening, described head tank is connected with frequency conversion force (forcing) pump, described discharge gate place is provided with concentration on-line monitoring equipment, and described dividing plate is connected with motor, and the signal output part of described concentration on-line monitoring equipment is connected with the signal input part of motor.
Also comprise some movable supporting frames, connecting rod, newel and lowering or hoisting gear, described lowering or hoisting gear is arranged on newel, described update device can carry out lifting moving along newel, described movable supporting frame is arranged on chute, described movable supporting frame can be done close spiral center and the movement away from spiral center along chute, and described helix tube can free bend, described helix tube is erected at some movable supporting frame peripheries of vertically settling, spiral center at helix tube is provided with newel, each circle from top to bottom of described helix tube is connected with each root movable supporting frame respectively, the at least first lap of helix tube is connected with lowering or hoisting gear by connecting rod respectively with the position of the corresponding movable supporting frame of last lap, rise or decline lowering or hoisting gear, the radius of helix tube diminishes.
The using method of helix tube type enrichment facility, described helix tube type enrichment facility is vertically fixedly put, black water is poured in helix tube by feeding mouth, described black water is made descending manner along the pipeline of helix tube and is accelerated centrifugal motion, described black water is separated into gradually coal slime underflow and recirculated water in the process declining in pipe, described coal slime underflow is positioned at away from spiral central shaft one side, described recirculated water is positioned near spiral central shaft one side, described coal slime underflow is discharged by concentrate discharge gate, and described recirculated water is discharged by recirculated water outlet; Regulate the position of dividing plate at helix tube discharge mouth by adjusting device, change the export ratio size of concentrate discharge gate and recirculated water outlet.The initial velocity of the black water while pouring into by adjusting is realized the concentrating and separating of coal slime and recirculated water.
Beneficial effect: helix tube type enrichment facility of the present invention is compared with gravity concentration device in the past, helix tube type enrichment facility is the concentrating and separating that the black water by entering pipeline is made centrifugal circular motion and produce centrifugal force and complete coal slime underflow and recirculated water, and gravity concentration device is separating of the coal slime underflow that completes by acceleration of gravity and recirculated water.The present invention makes the coal slime underflow of centrifugal circular motion realization and the concentrating and separating of recirculated water by black water, its concentrating and separating effect be can by reduce helix tube radius of a circle, increase helix tube height or increase pan feeding black water speed and continue to increase moisture of coal fines and improve separating effect from required centrifugal force, as long as meet corresponding helix tube radius of a circle, helix tube height or pan feeding black water speed and can reach the high-purity separation effect of corresponding coal slime underflow and recirculated water.In actual concentrating and separating process, the centrifugation acceleration that centrifugal circumference separates can be that 10 times of acceleration of gravity are even more than 100 times, the effect of concentrating and separating will correspondingly improve thereupon so, apparatus of the present invention and concentrating and separating method improve concentrating and separating efficiency and concentrating and separating precision greatly, and simple in structure, reduce cost of investment.
Brief description of the drawings
The front view that accompanying drawing 1 is helix tube type enrichment facility of the present invention.
The top view that accompanying drawing 2 is helix tube type enrichment facility of the present invention.
Accompanying drawing 3 is the front view of the servicing unit of adjustable screw pipe radius size.
Accompanying drawing 4 is the top view of the servicing unit of adjustable screw pipe radius size.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further described.
As shown in accompanying drawing 1,2, a kind of helix tube type enrichment facility of the present invention, comprise helix tube 2, the hollow spring-like stereochemical structure that described helix tube 2 is vertical display, described helix tube 2 cross sections are circle, rectangle or other shapes, the upper end of described helix tube 2 offers feeding mouth 1, and the bottom of described helix tube offers discharge gate, and described discharge gate is separated into concentrate discharge gate 4 and recirculated water outlet 5 by dividing plate 6.Be connected with concentration on-line monitoring equipment at outlet 4 places.
Described dividing plate 6 is connected with adjusting device 3, regulates the position of dividing plate 6 at helix tube 2 discharge gates by adjusting device 3, changes the export ratio size of concentrate discharge gate 4 and recirculated water outlet 5.
The using method of helix tube type enrichment facility, described helix tube type enrichment facility is vertically fixedly put, black water is poured in helix tube 2 by feeding mouth 1 with certain speed, described black water is done rotary decline along the curve pipeline of helix tube 2 and is accelerated centrifugal motion, in the process that described black water declines in rotation because self centrifugal force is separated into gradually coal slime and recirculated water in pipe, until black water moves near discharge gate, the coal slime that now described concentrating and separating goes out has been positioned at away from spiral central shaft one side, described coal slime is discharged by concentrate discharge gate 4, the recirculated water of described concentrating and separating is positioned near spiral central shaft one side, described recirculated water is discharged by recirculated water outlet 5.The initial velocity of the black water while pouring into by adjusting is realized coal slime and the corresponding concentrating and separating precision of recirculated water.
According to the initial velocity of black water and the density of concrete black water that pour into feeding mouth 1, regulate the position of dividing plate 6 at helix tube 2 discharge gates by adjusting device 3, change the corresponding scale of outlet of concentrate discharge gate 4 and recirculated water outlet 5, coal slime and recirculated water after concentrating and separating are just in time discharged respectively by corresponding concentrate discharge gate 4 and recirculated water outlet 5.So, according to the black water of different densities situation, can be by regulating the initial velocity of black water and the relevant position of dividing plate 6 to obtain coal slime and the recirculated water of corresponding required precision.
In the time of actual concentrating and separating, concentrated for the black water of different densities, can be by regulating the initial velocity of black water and the relevant position of dividing plate 6 to obtain coal slime and the recirculated water that corresponding separation accuracy requires, specifically can realize by following four kinds of embodiment: the first is, described feeding mouth 1 is connected with slag stock pump, described slag stock pump is connected with frequency converter, described discharge gate 4 places are provided with concentration on-line monitoring equipment, and the signal output part of described concentration on-line monitoring equipment is connected with the signal input part of frequency converter.Slag stock pump by feeding mouth to helix tube 2 frequency conversion feeds, at discharge gate working concentration on-line monitoring equipment, set concentration limit value, concentration limit value and the detected value of setting are transferred to frequency converter by concentration on-line monitoring equipment, frequency converter is adjusted feed pressure automatically, make concentrating and separating reach the concentration of setting, ensure thickening efficiency and precision.
The second is, described feeding mouth 1 is connected with head tank feed opening, described head tank is connected with frequency conversion force (forcing) pump, and described discharge gate 4 places are provided with concentration on-line monitoring equipment, and the signal output part of described concentration on-line monitoring equipment is connected with the signal input part of frequency conversion force (forcing) pump.Head tank by feeding mouth to helix tube 2 frequency conversions pressurizations feeds, at discharge gate working concentration on-line monitoring equipment, set concentration limit value, the concentration limit value of setting and detected value are transferred to frequency conversion force (forcing) pump by concentration on-line monitoring equipment, frequency conversion force (forcing) pump is adjusted feed pressure automatically, make concentrating and separating reach the concentration of setting, ensure thickening efficiency and precision.
The third is, described feeding mouth 1 is connected with slag stock pump, and described discharge gate 4 places are provided with concentration on-line monitoring equipment, and described dividing plate 6 is connected with motor, and the signal output part of described concentration on-line monitoring equipment is connected with the signal input part of motor.Slag stock pump by feeding mouth to helix tube 2 feeds, at discharge gate working concentration on-line monitoring equipment, set concentration limit value, concentration limit value and the detected value of setting are transferred to motor by concentration on-line monitoring equipment, motor is adjusted dividing plate 6 positions automatically, make concentrating and separating reach the concentration of setting, ensure thickening efficiency and precision.
The 4th kind is, described feeding mouth 1 is connected with head tank feed opening, and described head tank is connected with frequency conversion force (forcing) pump, and described discharge gate 4 places are provided with concentration on-line monitoring equipment, described dividing plate 6 is connected with motor, and the signal output part of described concentration on-line monitoring equipment is connected with the signal input part of motor.Head tank by feeding mouth to helix tube 2 frequency conversions pressurizations feeds, at discharge gate working concentration on-line monitoring equipment, set concentration limit value, concentration limit value and the detected value of setting are transferred to motor by concentration on-line monitoring equipment, motor is adjusted dividing plate 6 positions automatically, make concentrating and separating reach the concentration of setting, ensure thickening efficiency and precision.
Further embodiment, apparatus of the present invention also comprise some movable supporting frames 7, connecting rod 8, newel 9 and lowering or hoisting gear 13, described lowering or hoisting gear 13 is arranged on newel 9, described update device 13 can carry out lifting moving along newel 9, described movable supporting frame 7 is arranged on chute 10, described movable supporting frame 7 can be done close spiral center and the movement away from spiral center along chute 10, and described helix tube 2 use can free bend material or structure make, described helix tube 2 is erected at some movable supporting frame 7 peripheries of vertically settling, spiral center at helix tube 2 is provided with newel 9, each circle from top to bottom of described helix tube 2 is connected by short chain 11 with each root movable supporting frame 7 respectively, the at least first lap of helix tube 2 is connected with lowering or hoisting gear 13 by connecting rod 8 respectively with the position of the corresponding movable supporting frame 7 of last lap, wherein said connecting rod 8 is connected with lowering or hoisting gear 13 and movable supporting frame 7 by connecting ring 12, by the radius of lowering or hoisting gear 13 adjustable screw pipes 2, under identical flowing velocity, can improve centrifugal factor, realize the concentrating and separating of coal slime and recirculated water different accuracy.Be helix tube 2 maximum radius location as shown in Figure 3,4, in the time that lowering or hoisting gear 13 rises or declines, affect connecting rod 8 to shrink to spiral center, helix tube 2 radiuses can diminish, because helix tube 2 radiuses diminish, can there is certain skew in the position that helix tube 2 is connected with short chain 11, but short chain 11 is soft connection device, certain space is provided can to the skew of helix tube 2.
Helix tube type enrichment facility of the present invention is compared with gravity concentration device in the past, helix tube type enrichment facility is the black water by pour into certain initial velocity to feeding mouth 1, described black water just can be made the centrifugal circular motion of descending manner in the pipeline of helix tube 2, due to coal slime and the obviously centrifugal accelerations of the not identical different sizes of density generation of recirculated water, coal slime and recirculated water are assembled respectively to pipeline both sides gradually, completed the concentrating and separating of coal slime and recirculated water; And gravity concentration device is the coal slime that completes by acceleration of gravity and the concentrating and separating of recirculated water, again because acceleration of gravity is definite value, so just restriction to some extent in the kind of the black water separating, in the time separating the black water of some particular density, just cannot reach relying on of apparatus of the present invention and reduce efficiency and the precision of the separation that helix tube 2 radiuss of a circle, height and initial velocity reach.
The present invention does the coal slime of centrifugal circular motion realization and separating of recirculated water by black water, its concentrating and separating effect be can by reduce helix tube 2 radius of a circle, increase helix tube 2 height and increase the initial velocity three aspects: of black water while pouring into improve moisture of coal fines from centrifugal force acceleration, as long as meet the initial velocity of corresponding helix tube radius of a circle, helix tube 2 height and black water and can reach efficiency and the required precision of the concentrating and separating of the black water of any density.And the initial velocity three aspect factor of described helix tube 2 radiuses, helix tube 2 height and black water can not restrict mutually.In actual concentrating and separating process, the volume of concentrating and separating device and accounting space are less, and concentrated efficiency is higher, and production cost is just lower.Therefore, apparatus of the present invention are in actual production, can be by constantly increasing the initial velocity (with the radius of a circle that suitably reduces helix tube 2) of black water when concentrating and separating, the centrifugation acceleration of the centrifugal circumference of black water is unrestrictedly increased, so compared with original gravity concentration device, the efficiency of concentrating and separating will constantly improve thereupon, apparatus of the present invention and concentrating and separating method improve concentrating and separating efficiency and concentrating and separating precision greatly, and simple in structure, reduce the cost of investment of enterprise in equipment volume.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. a helix tube type enrichment facility, it is characterized in that: comprise helix tube (2), the hollow spring-like stereochemical structure that described helix tube (2) is vertical display, the upper end of described helix tube (2) offers feeding mouth (1), the bottom of described helix tube offers discharge gate, and described discharge gate is separated into concentrate discharge gate (4) and recirculated water outlet (5) by dividing plate (6).
2. a kind of helix tube type enrichment facility according to claim 1, it is characterized in that: described dividing plate (6) is connected with adjusting device (3), regulate dividing plate (6) in the position of helix tube (2) discharge gate by adjusting device (3), change the export ratio size of concentrate discharge gate (4) and recirculated water outlet (5).
3. a kind of helix tube type enrichment facility according to claim 1, it is characterized in that: described feeding mouth (1) is connected with slag stock pump, described slag stock pump is connected with frequency converter, described discharge gate (4) locates to be provided with concentration on-line monitoring equipment, and the signal output part of described concentration on-line monitoring equipment is connected with the signal input part of frequency converter.
4. a kind of helix tube type enrichment facility according to claim 1, it is characterized in that: described feeding mouth (1) is connected with head tank feed opening, described head tank is connected with frequency conversion force (forcing) pump, described discharge gate (4) locates to be provided with concentration on-line monitoring equipment, and the signal output part of described concentration on-line monitoring equipment is connected with the signal input part of frequency conversion force (forcing) pump.
5. a kind of helix tube type enrichment facility according to claim 1, it is characterized in that: described feeding mouth (1) is connected with slag stock pump, described discharge gate (4) locates to be provided with concentration on-line monitoring equipment, described dividing plate (6) is connected with motor, and the signal output part of described concentration on-line monitoring equipment is connected with the signal input part of motor.
6. a kind of helix tube type enrichment facility according to claim 1, it is characterized in that: described feeding mouth (1) is connected with head tank feed opening, described head tank is connected with frequency conversion force (forcing) pump, described discharge gate (4) locates to be provided with concentration on-line monitoring equipment, described dividing plate (6) is connected with motor, and the signal output part of described concentration on-line monitoring equipment is connected with the signal input part of motor.
7. a kind of helix tube type enrichment facility according to claim 1, it is characterized in that: also comprise some movable supporting frames (7), connecting rod (8), newel (9) and lowering or hoisting gear (13), described lowering or hoisting gear (13) is arranged on newel (9), described update device (13) can carry out lifting moving along newel (9), described movable supporting frame (7) is arranged on chute (10), described movable supporting frame (7) can be done close spiral center and the movement away from spiral center along chute (10), and described helix tube (2) can free bend, described helix tube (2) is erected at some movable supporting frame (7) peripheries of vertically settling, be provided with newel (9) in the spiral center of helix tube (2), each circle from top to bottom of described helix tube (2) is connected with each root movable supporting frame (7) respectively, the at least first lap of helix tube (2) is connected with lowering or hoisting gear (13) by connecting rod (8) respectively with the position of the corresponding movable supporting frame of last lap (7), rise or decline lowering or hoisting gear (13), the radius of helix tube (2) diminishes.
8. the using method of a helix tube type enrichment facility, it is characterized in that: described helix tube type enrichment facility is vertically fixedly put, black water is poured in helix tube (2) by feeding mouth (1), described black water is made descending manner along the pipeline of helix tube (2) and is accelerated centrifugal motion, described black water is separated into gradually coal slime underflow and recirculated water in the process declining in pipe, described coal slime underflow is positioned at away from spiral central shaft one side, described recirculated water is positioned near spiral central shaft one side, described coal slime underflow is discharged by concentrate discharge gate (4), described recirculated water is discharged by recirculated water outlet (5), regulate dividing plate (6) in the position of helix tube (2) discharge gate by adjusting device (3), change the export ratio size of concentrate discharge gate (4) and recirculated water outlet (5).
9. a kind of using method of helix tube type enrichment facility according to claim 8, is characterized in that: the initial velocity of the black water while pouring into by adjusting is realized the concentrating and separating of coal slime and recirculated water.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104258631A (en) * | 2014-09-23 | 2015-01-07 | 浙江海洋学院 | Improved type backwashing-free and automatic blowdown sand filtering cylinder |
| CN104587711A (en) * | 2015-01-13 | 2015-05-06 | 沈阳化工大学 | Device for separating heterogeneous mixture and operating method thereof |
| CN105056580A (en) * | 2015-06-03 | 2015-11-18 | 中国人民解放军装备学院 | Cyclone in-orbit gas-liquid separation apparatus |
| CN105688459A (en) * | 2016-04-08 | 2016-06-22 | 拜城县众泰煤焦化有限公司 | Spiral concentrating device and concentrating method |
| CN108018434A (en) * | 2017-12-05 | 2018-05-11 | 安徽旺达铜业发展有限公司 | A kind of screw type copper powder recovery tube |
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| CN105664535A (en) * | 2016-03-07 | 2016-06-15 | 沈阳化工大学 | Spiral coil plate hydrocyclone separation device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105688459A (en) * | 2016-04-08 | 2016-06-22 | 拜城县众泰煤焦化有限公司 | Spiral concentrating device and concentrating method |
| CN108018434A (en) * | 2017-12-05 | 2018-05-11 | 安徽旺达铜业发展有限公司 | A kind of screw type copper powder recovery tube |
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