CN114984623A - CCD thickener with defoaming function and without height difference - Google Patents

CCD thickener with defoaming function and without height difference Download PDF

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Publication number
CN114984623A
CN114984623A CN202210915532.2A CN202210915532A CN114984623A CN 114984623 A CN114984623 A CN 114984623A CN 202210915532 A CN202210915532 A CN 202210915532A CN 114984623 A CN114984623 A CN 114984623A
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limiting
arm
fixedly connected
defoaming
shell
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CN114984623B (en
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陈爱民
邢友前
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Jiangsu New Honda Group
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Jiangsu New Honda Group
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/02Settling tanks with single outlets for the separated liquid
    • B01D21/04Settling tanks with single outlets for the separated liquid with moving scrapers
    • B01D21/06Settling tanks with single outlets for the separated liquid with moving scrapers with rotating scrapers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24Feed or discharge mechanisms for settling tanks
    • B01D21/245Discharge mechanisms for the sediments
    • B01D21/2472Means for fluidising the sediments, e.g. by jets or mechanical agitators
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24Feed or discharge mechanisms for settling tanks
    • B01D21/2494Feed or discharge mechanisms for settling tanks provided with means for the removal of gas, e.g. noxious gas, air
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Removal Of Floating Material (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)

Abstract

The invention relates to a CCD thickener with a defoaming function and without height difference, belonging to the technical field of auxiliary devices of thickeners. The invention comprises a support frame and the like; support frame upper portion fixed mounting has the settlement casing, and the crane span structure middle part is rotated and is connected with the drive shaft, and the stirring part that the drive shaft lower part was provided with, drive shaft upper portion is provided with the gathering part, and gathering part inboard is provided with defoaming subassembly. According to the invention, the stirring component is used for adaptively stirring different slurry concentrations and slurry thicknesses, so that slurry is prevented from being accumulated in the center of the bottom of the sedimentation shell, liquid surface foams of supernatant in the sedimentation shell are gathered to the center part through the gathering component, and the gathered bubbles on the surface of the supernatant are punctured through the defoaming component through mechanical action, so that the generation of the bubbles is not aggravated in a mechanical puncturing mode, and large bubbles and small bubbles are better eliminated.

Description

CCD thickener with defoaming function and without height difference
Technical Field
The invention relates to the technical field of auxiliary devices of thickeners, in particular to a CCD thickener with a defoaming function and without height difference.
Background
The thickener is a device for solid-liquid separation based on the principle of gravity sedimentation, acts on ore pulp with the solid content of 10-20%, then is concentrated into underflow ore pulp with the solid content of 45-55% through gravity sedimentation, and then is discharged from the inside of the thickener by virtue of a rake rotating slowly, and the clear liquid at the upper part is discharged from the upper part of the thickener.
The existing thickener equipment can generate foam in the process of treating the pulp, partial suspended matters are carried on the surface of the foam due to liquid tension and adhesive force, so that the purity of discharged supernatant is not high, the traditional thickener equipment has poor adaptability to underflow pulp, the pulp with different solid diameters can be realized only through different rotating speeds of stirring pieces, but the effect is poor, the height between liquid layers in the thickener equipment is easy to change, the sedimentation of the pulp is influenced, the bottom of the equipment is easy to block, the stirring pieces can be lifted for retreatment when the bottom of the equipment is blocked, the treatment process is very complicated, a large amount of manpower and material resources are wasted, and personal danger is easily caused to personnel.
Disclosure of Invention
The invention provides an adjustable CCD thickener with a defoaming function and no height difference, which aims to overcome the defects that a thickener can generate foam when treating ore pulp, the stirring of a stirring piece to underflow ore pulp cannot be adjusted adaptively, and the layering change of the ore pulp in the thickener causes the treatment effect to the ore pulp to be poor and the thickener is easy to block.
The specific technical scheme of the invention is as follows: a CCD thickener with defoaming function and without height difference comprises a support frame, a sedimentation shell is fixedly arranged at the upper part of the support frame, the bottom of the sedimentation shell is communicated with a slurry pump, an overflow groove is fixedly connected to the outer ring at the upper part of the sedimentation shell, a bridge is fixedly arranged at the upper side of the overflow groove, CCD machine vision detection equipment is arranged below the bridge, a degassing groove is arranged at the left side of the bridge, a driving part is arranged at the upper side of the bridge, the middle part of the bridge is rotatably connected with a driving shaft, the driving part is in transmission connection with the driving shaft, a feeding cylinder is arranged at the lower side of the bridge, the degassing groove is communicated with the feeding cylinder through a conveying pipe, a stirring part for stirring slurry is arranged at the lower part of the driving shaft, the stirring part is matched with different slurry concentrations for stirring, the slurry is prevented from being accumulated, an aggregation part is arranged at the upper part of the driving shaft and is used for gathering foam on the water surface to the center, and a defoaming component is arranged at the outer side of the feeding cylinder, defoaming subassembly punctures the elimination to the foam, defoaming subassembly and gathering part sliding fit provide the power of puncturing the foam for defoaming subassembly, and the lower extreme rigid coupling of drive shaft has the stirring piece.
Furthermore, a plurality of tooth grooves are formed in the upper end of the sedimentation shell in the circumferential direction, the bottom of the sedimentation shell is in a frustum shell shape, and the frustum oblique angle of the bottom of the sedimentation shell is 6-12 degrees.
Further, the stirring part is including the fixed block, fixed block fixed connection is in the drive shaft lower part, the fixed block is the square, the global rigid coupling respectively all around of fixed block has the rake arm, the rake arm cross section is the hexagon tube-shape, the rigid coupling has spacing shell respectively between four rake arms and the drive shaft, the fixed gag lever post that is provided with in middle part in the spacing shell, be provided with a plurality of pulling element between drive shaft and the rake arm respectively, four rake arm lower parts are provided with a plurality of scraper blade respectively, the inside regulating part that is provided with of rake arm, the scraper blade is connected with the regulating part, the regulating part is used for adjusting the angle of scraper blade.
Further, along scraper blade clockwise movement direction, the scraper blade is widened gradually backward by the front end, and the front portion of scraper blade is straight state, and the afterbody of scraper blade inwards buckles gradually, and the radian of buckling of scraper blade lateral surface is less than its medial surface radian.
Further, the adjusting part is including the slide bar, the slide bar slides and sets up inside the drive shaft, the slide bar upper end is connected with the driving piece, the flexible end rigid coupling of slide bar has the stopper, the lower part circumference of stopper is provided with four spacing bull sticks, four spacing bull sticks are articulated with the stopper respectively, the inside equidistance of rake arm slides and is provided with the spacing slider of a plurality of, spacing slider is hexagonal prism form, spacing slider is the same with scraper blade quantity, every spacing bull stick all with adjacent spacing slider ball joint, a word groove has been seted up at the middle part of spacing bull stick, the gag lever post of spacing shell is located the word inslot of adjacent spacing bull stick, it is provided with the rack all to slide in every rake arm, rack and the rigid coupling of adjacent a plurality of spacing slider, the upside at a plurality of scraper blade middle part all has the straight-tooth gear through the connecting rod rigid coupling, a plurality of straight-tooth gear meshes with adjacent rack respectively.
Further, the both sides limit of every harrow arm is provided with the limiting plate respectively, and a plurality of spacing groove has all been seted up at two adjacent limiting plate subtend positions, and the distance equals between the spacing groove of limiting plate, and equal rigid coupling has two spacing slide bars in every harrow arm, spacing slider and the spacing sliding connection of spacing slide bar, and the equal rigid coupling of upside of every scraper blade has two spacer pins, and a plurality of spacer pin is spacing slip setting in the spacing groove of adjacent limiting plate respectively.
Further, the gathering component comprises two sealing shells, the two sealing shells are fixedly arranged at the lower side of the feeding cylinder, the two sealing shells are fixedly connected through a supporting block, a rotating ring is rotatably arranged between the two sealing shells, an inner gear ring is arranged at the inner side of the rotating ring, the two sealing shells and the rotating ring form a sealed cavity, the lower part of the driving shaft is fixedly connected with a driving gear, the driving gear is positioned in the sealed cavity, a rotating shaft is respectively and rotatably arranged at the left part and the right part between the two sealing shells, the upper ends of the two rotating shafts are fixedly connected with a first transmission gear, the driving gear is meshed with the first transmission gear, the lower parts of the two rotating shafts are fixedly connected with second transmission gears, the two second transmission gears are respectively meshed with the inner gear ring of the rotating ring, a limit ring is arranged at the middle part of the feeding cylinder, a plurality of groups of scraping components are circumferentially arranged at the outer side of the rotating ring, and a limit chute is arranged at the periphery of the limit ring, the scraping components are respectively in sliding connection with the limiting sliding grooves of the limiting rings, and are used for skimming foams on the water surface and matched with the rotating rings to gather the foams towards the center.
Further, scrape and get the subassembly including the linking arm, linking arm lower extreme fixed connection is at the outer peripheral face of swivel, and the upper end rigid coupling of linking arm has the arc arm, and the medial part of arc arm is perpendicular with the charging barrel, and the lateral part of arc arm inclines to anticlockwise arc, and the outer end of arc arm extends to the medial surface that subsides the casing, and the arc arm downside is in same horizontal plane with the bottom surface that subsides the casing tooth's socket, and the interior cambered surface medial part of arc arm is provided with the first prick of a plurality of.
Further, the defoaming subassembly is including second cone thorn, second cone thorn is equipped with a plurality of, a plurality of second cone thorn evenly distributed and fixed connection are at the peripheral part of charging barrel, second cone thorn of downside is located the bottom surface downside of subsiding the casing tooth's socket, every arc arm medial surface rigid coupling has the fixed pin, spacing slip ring is spacing to slide and is set up on charging barrel upper portion, wave spacing groove has been seted up to the peripheral part of spacing slip ring, every fixed pin all cooperatees with the wave spacing groove of spacing slip ring, the downside of spacing slip ring evenly is provided with a plurality of elastic component, the lower extreme rigid coupling of a plurality of elastic component has the mounting panel, a plurality of logical groove has been seted up to the inner peripheral surface circumference of mounting panel, the logical groove of mounting panel is corresponding with second cone thorn, the downside of mounting panel is provided with the third cone thorn of a plurality of groups.
Furthermore, the third pricks in each group comprise a plurality of the longest third pricks positioned at the inner side and the shortest third pricks positioned at the outer side.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that: the invention carries out adaptive stirring aiming at different slag slurry concentrations and slag slurry thicknesses through the stirring component, prevents the slag slurry from accumulating at the center of the bottom of the sedimentation shell, changes the angle of the scraper blade through the limiting rotating rod and the like when the CCD machine vision detection equipment detects that the slag slurry thickness changes, so as to change the aggregation speed of the slag slurry, ensure that the layer height between different liquid level layers of ore pulp keeps stable, and simultaneously quickens the discharge efficiency of the slag slurry, gathers the liquid level foam of the supernatant in the sedimentation shell to the center part through the aggregation component, in the gathering process of the foam through the arc arm, the first conical prick punctures the large foam, and the smaller foam is gathered inwards, so that the defoaming component punctures the gathered foam on the surface of the supernatant through the mechanical action, punctures the larger foam through the matching of the second conical prick and the third conical prick, and gathers the smaller foam to ensure that the smaller foam is more convenient to puncture, the mechanical puncturing mode does not aggravate the generation of bubbles, and simultaneously, the elimination of large bubbles and small bubbles is better completed.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a sectional view showing a three-dimensional structure of the settling shell of the present invention.
FIG. 3 is a sectional view showing a three-dimensional structure of a stirring member of the present invention.
Fig. 4 is an enlarged view of the invention at a.
FIG. 5 is a partially enlarged sectional view of the stirring member of the present invention.
Fig. 6 is a schematic perspective view of the focusing member of the present invention.
Fig. 7 is a perspective sectional view of a part of the focusing member of the present invention.
Fig. 8 is a perspective view of the scraping assembly of the present invention.
Fig. 9 is a perspective view of the defoaming assembly of the present invention.
Part names and serial numbers in the figure: 1-supporting frame, 2-settling shell, 3-overflow groove, 4-bridge, 5-degassing groove, 6-driving piece, 7-driving shaft, 8-charging barrel, 9-stirring part, 901-fixing block, 902-harrow arm, 903-limit shell, 904-traction piece, 905-scraping plate, 906-sliding rod, 907-limit block, 908-limit rotating rod, 909-limit sliding block, 910-limit plate, 911-limit sliding rod, 912-rack, 913-straight gear, 914-limit pin, 10-gathering part, 1001-sealing shell, 1002-rotating ring, 1003-driving gear, 1004-rotating shaft, 1005-first driving gear, 1006-second driving gear, 1007-limit ring, 1008-connecting arm, 1009-arc arm, 1010-first prick, 11-defoaming component, 1101-second prick, 1102-fixing pin, 1103-limiting slide ring, 1104-elastic component, 1105-mounting plate, 1106-third prick and 12-stirring component.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below.
Example 1
A CCD thickener with defoaming function and without height difference is disclosed, as shown in figures 1-9, comprising a support frame 1, wherein the upper part of the support frame 1 is fixedly provided with a sedimentation shell 2 through bolts, the bottom of the sedimentation shell 2 is communicated with a slurry pump, the upper end of the sedimentation shell 2 is circumferentially provided with a plurality of tooth sockets, the tooth sockets of the sedimentation shell 2 prevent supernatant from concentrating and flowing out a little, so that the upper end of the sedimentation shell 2 discharges the supernatant more uniformly, the bottom of the sedimentation shell 2 is in a frustum shell shape, the frustum oblique angle at the bottom of the sedimentation shell 2 is 6-12 degrees, so that the slurry can freely slide downwards and gather together, the upper part of the sedimentation shell 2 is welded with an outer ring 3, the upper side of the overflow groove 3 is fixedly provided with a bridge 4 through a fixing frame, the lower part of the bridge 4 is provided with CCD machine vision detection equipment through bolts, the left side of the bridge 4 is fixedly provided with a degassing groove 5, the degassing groove 5 is used for degassing ore slurry, be convenient for the ore pulp to carry out the natural settling, driving piece 6 is installed to 4 upsides of crane span structure, 4 middle parts of crane span structure rotate and be connected with drive shaft 7, driving piece 6 is connected with drive shaft 7 transmission, 4 downside fixed mounting of crane span structure have a feed cylinder 8, degassing tank 5 passes through the conveying pipeline intercommunication with a feed cylinder 8, 7 lower parts of drive shaft are provided with stirring part 9, stirring part 9 is used for the stirring of sediment thick liquid, the stirring of the different sediment thick liquid concentration of stirring part 9 cooperation, prevent that the sediment thick liquid from piling up, 7 upper portions of drive shaft are provided with the aggregation part 10 that is used for gathering the foam of the surface of water to the center, 8 outsides of feed cylinder are provided with defoaming subassembly 11, defoaming subassembly 11 punctures the elimination to the foam, defoaming subassembly 11 and aggregation part 10 sliding fit, provide the power of puncturing the foam for defoaming subassembly 11, the lower extreme rigid coupling of drive shaft 7 has stirring part 12.
When the invention is used for processing the ore pulp, an operator firstly removes the gas in the ore pulp through the degassing tank 5, the ore pulp enters the feeding cylinder 8 through the feeding pipe, the ore pulp is uniformly and uniformly injected into the settling shell 2 through the feeding cylinder 8, slag slurry containing slag is deposited downwards at the inclined bottom of the settling shell 2, the operator starts the driving piece 6 to drive the stirring part 9 to rotate clockwise through the driving shaft 7, the stirring part 9 stirs the slag slurry at the bottom of the settling shell 2, the accumulation of the slag slurry to the central part is accelerated, the discharge of the slag slurry is convenient, meanwhile, the stirring part 9 has an adjusting function, when the CCD machine vision detection equipment senses the change of the layer height of the slag slurry in the settling shell 2, the discharge speed of the slag slurry is adjusted through the stirring part 9, the ore pulp in the settling shell 2 is layered and stable, when the slag slurry at the central position at the bottom of the settling shell 2 is difficult to discharge, the stirring effect of the stirring component 9 on the slag slurry is adjusted, the slag slurry is prevented from being accumulated and blocked through the stirring effect, the liquidity of the slag slurry is ensured, the stirring component 12 positioned at the central position of the bottom of the sedimentation shell 2 also plays a role in stirring the slag slurry, the slag slurry is prevented from being blocked at the central position of the bottom of the sedimentation shell 2, when the ore slurry is treated, most of foams are avoided through a defoaming cylinder and other devices, but the foams cannot be avoided, impurities attached to the surfaces of the foams can reduce the purity of discharged supernatant, after the liquid level of the supernatant exceeds the tooth socket at the upper end of the sedimentation shell 2, the supernatant overflows into the overflow trough 3 to be collected and discharged, after the liquid level of the supernatant is contacted with the collecting component 10, the foams floating on the liquid level are collected to the central position through the collecting component 10, the collected foams are broken under the action of the defoaming component 11, so that the impurities carried on the surfaces of the broken foams are downwards deposited from the central position, avoid suspension impurity to follow the supernatant and spill over, stop driving piece 6 after stopping using this device to will subside the interior ore pulp evacuation of casing 2 can.
Example 2
On the basis of embodiment 1, as shown in fig. 3 and 4, the stirring component 9 includes a fixed block 901, the fixed block 901 is fixedly connected to the lower portion of the driving shaft 7, the fixed block 901 is square, the peripheral surfaces of the fixed block 901 are respectively fixedly provided with rake arms 902 through bolts, the cross sections of the rake arms 902 are hexagonal tubular, so as to reduce the resistance of the ore slurry to the rake arms 902 in the rotation process, limit housings 903 are respectively fixedly connected between the four rake arms 902 and the driving shaft 7, limit rods are fixedly arranged at the middle portions in the limit housings 903, a plurality of traction members 904 are respectively arranged between the driving shaft 7 and the rake arms 902, the traction members 904 and the limit housings 903 play a role in stabilizing the driving shaft 7 and the rake arms 902, a plurality of scrapers 905 are respectively arranged at the lower portions of the four rake arms 902 through connecting rods in a rotating manner, the scrapers 905 gradually widen from the front ends to the rear ends along the clockwise movement direction of the scrapers 905, and the front portions of the scrapers 905 are in a flat state, the afterbody of scraper blade 905 inwards buckles gradually, the radian of buckling of scraper blade 905 lateral surface is less than its inboard face radian, scraper blade 905 is narrower along its direction of motion front end, reduce its frictional force when scraping off the sediment thick liquid, make the resistance when the sediment thick liquid rotates rake arm 902 diminish, scraper blade 905 inwards buckles along the direction of motion afterbody simultaneously, with this degree that the afterbody of increaseing scraper blade 905 inwards gathers together to the sediment thick liquid, the inside adjusting part that is provided with of rake arm 902, scraper blade 905 is connected with the adjusting part, the adjusting part is used for adjusting scraper blade 905's angle, with this make scraper blade 905 carry out the adaptability stirring to the sediment thick liquid, be convenient for the discharge of sediment thick liquid and prevent that the sediment thick liquid from blockking up.
As shown in fig. 4 and fig. 5, the adjusting assembly includes a sliding rod 906, the sliding rod 906 is slidably disposed inside the driving shaft 7, the upper end of the sliding rod 906 is connected to the driving member 6, a limiting block 907 is fixedly mounted at the telescopic end of the sliding rod 906 through a bolt, four limiting rotating rods 908 are circumferentially and equidistantly disposed at the lower portion of the limiting block 907, the four limiting rotating rods 908 are respectively hinged to the limiting block 907, a plurality of limiting sliders 909 are slidably disposed in the rake arm 902 at equal intervals, the limiting sliders 909 are hexagonal prism-shaped, so that the limiting sliders 909 are limited and slide in the rake arm 902, the number of the limiting sliders 909 and the number of the scrapers 905 are the same, each limiting rotating rod 908 is in ball contact with the adjacent limiting slider 909, a slot is disposed at the middle of the limiting rotating rod 908, the limiting rod of the limiting casing 903 is disposed in the slot of the adjacent limiting rotating rod 908, so that the upper end of the limiting rotating rod 908 is under the effect of the limiting casing 903 during the up-and down movement, the lower end of the limiting rotary rod 908 pushes the limiting sliding blocks 909 to slide along the rake arms 902, the limiting plates 910 are welded on two side edges of each rake arm 902 respectively, a plurality of limiting grooves are formed in opposite positions of two adjacent limiting plates 910, the distances between the limiting grooves of the limiting plates 910 are equal, two limiting sliding rods 911 are fixedly installed in each rake arm 902, the limiting sliding blocks 909 are connected with the limiting sliding rods 911 in a limiting sliding manner, a rack 912 is arranged in each rake arm 902 in a sliding manner, the rack 912 is fixedly connected with the adjacent limiting sliding blocks 909, a straight gear 913 is fixedly connected to the upper side of the middle part of each scraper 905 through a connecting rod, a plurality of straight gears 913 are respectively meshed with the adjacent racks 912, the straight gears are driven by the racks 912 to rotate synchronously with the adjacent straight gears 913, two limiting pins 914 are fixedly connected to the upper side of each scraper 905, and a plurality of limiting pins 914 are respectively arranged in the limiting grooves of the adjacent limiting plates 910 in a limiting sliding manner, the limiting pin 914 assists the rotation of the scraper 905, so that the scraper 905 can stir the slurry more stably.
The stirring component 9 stirs the slag slurry with different concentrations and thicknesses, so as to prevent the slag slurry from accumulating in the center of the bottom of the sedimentation shell 2, and at the same time, increase the discharge efficiency of the slag slurry, in the invention, the driving shaft 7 drives the four rake arms 902 to rotate clockwise through the fixing block 901, the limiting shell 903 and the traction piece 904 are both used for stabilizing the rake arms 902 and preventing the outer ends of the rake arms 902 from drooping, the rake arms 902 drive the scraper 905 thereon to scrape the slag on the bottom of the sedimentation shell 2, so as to accelerate the gathering speed of the slag to the center part and prevent the slag from accumulating on the bottom of the sedimentation shell 2, when the angle of the scraper 905 needs to be adjusted, an operator controls the sliding rod 906 to move through the driving piece 6, the sliding rod 906 drives the limiting rotating rod 908 through the limiting block 907, the lower end of the limiting rotating rod 908 drives the adjacent limiting slide block 909 to move synchronously under the limiting of the limiting rod in the limiting shell 903, all the limiting slide blocks 909 move along the limiting slide bar 911, the limiting slide blocks 909 drive the straight gears 913 to synchronously rotate through the racks 912 on the limiting slide blocks 909, the straight gears 913 drive the scraping plates 905 to rotate through the connecting rods on the straight gears 913, and in the rotating process of the scraping plates 905, the limiting pins 914 on the limiting slide blocks are matched with the adjacent limiting plates 910, so that the stability of the scraping plates 905 in the rotating process and the stirring process of slag slurry is improved.
When the downward gathering speed of the slurry is too slow, the front end of the scraper 905 is adjusted to move outwards to enable the tail part of the scraper to move inwards synchronously, the inward radian of the inner side surface of the scraper 905 increases the inward gathering degree of the slurry, and the inward radian of the outer side surface of the scraper 905 adjacent to the inner side of the scraper does not influence the flow state of the slurry, so that the slurry is rapidly gathered downwards under the action of the scraper 905, when the slurry is too much gathered at the center position of the bottom of the sedimentation shell 2, the front end of the scraper 905 is adjusted to move inwards to enable the tail part of the scraper 905 to move outwards synchronously, so that the slurry has the tendency of moving outwards along the bottom of the sedimentation shell 2 under the action of the scraper 905, the tendency of the slurry moving downwards along the inclined surface of the sedimentation shell 2 is counteracted, the slurry is prevented from being accumulated downwards, and the radian of the outer side surface tail part of the scraper 905 reduces the upward driving degree of the slurry under the condition that the tail end of the scraper 905 is positioned at a relatively outer side, the excessive degree that the scraper 905 drives the slurry outwards is avoided.
As shown in fig. 6-8, the collecting member 10 includes two sealing shells 1001, two sealing shells 1001 are provided, two sealing shells 1001 are fixedly installed at the lower side of the charging barrel 8, the two sealing shells 1001 are fixedly connected through a supporting block, a rotating ring 1002 is rotatably installed between the two sealing shells 1001, an inner toothed ring is fixedly installed inside the rotating ring 1002, the two sealing shells 1001 and the rotating ring 1002 form a sealed cavity, a driving gear 1003 is fixedly connected to the lower portion of the driving shaft 7, the driving gear 1003 is located in the sealed cavity, a rotating shaft 1004 is rotatably installed at the left and right portions between the two sealing shells 1001, a first transmission gear 1005 is keyed at the upper end of the two rotating shafts 1004, the driving gear 1003 is meshed with the first transmission gear 1005, a second transmission gear 1006 is keyed at the lower portion of the two rotating shafts 1004, acceleration between the first transmission gear 1005 and the second transmission gear 1006 is achieved by acceleration between the driving gear 1003 and the first transmission gear 1005, make the rotational speed of change 1002 be greater than the slew velocity of drive shaft 7, two second drive gear 1006 all mesh with the interior ring gear of change 1002 mutually, 8 middle part covers of charging tube are established and are welded with spacing ring 1007, the outside circumference of change 1002 is provided with a plurality of groups and scrapes the subassembly of getting, spacing spout has been seted up to spacing ring 1007 peripheral part, a plurality of groups scrape get the subassembly respectively with the spacing spout sliding connection of spacing ring 1007, scrape the subassembly and skim the foam of the surface of water, and gather together the foam to the center with the cooperation of change 1002.
As shown in fig. 7 and 8, the scraping component comprises a connecting arm 1008, the lower end of the connecting arm 1008 is welded on the outer peripheral surface of the rotating ring 1002, an arc-shaped arm 1009 is fixedly connected to the upper end of the connecting arm 1008 through a bolt, the inner side portion of the arc-shaped arm 1009 is perpendicular to the feeding cylinder 8, the outer side portion of the arc-shaped arm 1009 is inclined towards the counterclockwise arc, so that the foam is gathered towards the center of the sedimentation shell 2 under the action of the arc-shaped arm 1009, the outer end of the arc-shaped arm 1009 extends to the inner side surface of the sedimentation shell 2, so that the arc-shaped arm 1009 covers the liquid level foam of the supernatant in the sedimentation shell 2, the lower side surface of the arc-shaped arm 1009 and the bottom surface of the tooth socket of the sedimentation shell 2 are located on the same horizontal plane, and a plurality of first conical spines 1010 are arranged at the inner side portion of the inner arc-shaped arm 1009.
The gathering component 10 is used for gathering foams on the liquid surface of the supernatant in the sedimentation shell 2 to the central part, under the action of the driving shaft 7, the driving shaft 7 drives the two first transmission gears 1005 to rotate through the driving gear 1003, the first transmission gears 1005 drive the second transmission gears 1006 to synchronously rotate through the rotating shaft 1004, the two second transmission gears 1006 drive the rotating ring 1002 to rotate anticlockwise, because the rotating speed of the driving shaft 7 is slow, the rotating speed of the rotating ring 1002 is larger than the rotating speed of the driving shaft 7 through the acceleration between the driving gear 1003 and the first transmission gears 1005 and the acceleration between the first transmission gears 1005 and the second transmission gears 1006, the rotating ring 1002 synchronously drives the four connecting arms 1008 to rotate anticlockwise, under the limiting of the limiting ring 1007, the connecting arms 1008 drive the adjacent arc arms 1009 to scrape the foams on the surface of the supernatant, and under the action of the arc arms 1009, the foams on the surface of the supernatant are quickly gathered inwards, bigger air bubbles are punctured under the effect of the first conical prick 1010, suspended substances adhered to the air bubbles directly settle downwards, the air bubbles which cannot be damaged by the first conical prick 1010 continue to be accumulated inwards, under the slow rotation effect of the stirring part 9, ore pulp in the settling shell 2 naturally has a clockwise rotation trend, and the arc-shaped arm 1009 rotates along the movement trend of the reverse ore pulp, so that the collection and gathering of the foam are accelerated.
As shown in fig. 9, the defoaming assembly 11 includes a second cone 1101, a plurality of second cones 1101 are provided, the plurality of second cones 1101 are uniformly distributed and welded on the outer periphery of the charging barrel 8, the second cone 1101 on the lowest side is located on the lower side of the bottom surface of the tooth space of the sedimentation housing 2, a fixing pin 1102 is welded on the inner side surface of each arc arm 1009, the limiting slip ring 1103 is arranged on the upper portion of the charging barrel 8 in a limiting and sliding manner, a wave-shaped limiting groove is formed on the outer periphery of the limiting slip ring 1103, the wave-shaped limiting groove of the limiting slip ring 1103 is under the limiting of the fixing pin 1102, so that the limiting slip ring 1103 reciprocates up and down, each fixing pin 1102 is matched with the wave-shaped limiting groove of the limiting slip ring 1103, a plurality of elastic members 1104 are uniformly arranged on the lower side of the limiting slip ring 1103, the elastic members 1104 in this embodiment are springs, a mounting plate 1105 is fixedly connected to the lower ends of the plurality of elastic members 1104, and a plurality of through grooves are circumferentially arranged on the inner peripheral surface of the mounting plate 1105, the through groove of the mounting plate 1105 corresponds to the second taper 1101, so that clamping between the mounting plate 1105 and the second taper 1101 is avoided, a plurality of groups of third taper 1106 are arranged on the lower side surface of the mounting plate 1105, each group of third taper 1106 comprises a plurality of third tapers, the third taper 1106 positioned on the inner side is the longest, and the third taper 1106 positioned on the outer side is the shortest.
The defoaming assembly 11 punctures the bubbles on the surface of the supernatant through mechanical action, the mechanical puncturing mode does not aggravate the generation of the bubbles, and simultaneously eliminates large bubbles and small bubbles, when the bubbles gather to the central part of the sedimentation shell 2, the bubbles are distributed on the peripheral part of the junction of the feeding cylinder 8 and the supernatant, the bubbles are contacted with the second taper thorn 1101 on the peripheral part of the feeding cylinder 8 and puncture the inwardly gathered bubbles through the second taper thorn 1101, the fixing pin 1102 rotates anticlockwise along with the arc arm 1009, similarly, under the matching of the fixing pin 1102 and the wavy limiting groove of the limiting slip ring 1103, the limiting slip ring 1103 is driven by the fixing pin to slide up and down along the feeding cylinder 8, the limiting slip ring 1103 drives the mounting plate 1105 to move up and down synchronously through the elastic element 1104, during the reciprocating movement of the mounting plate 1105, the third taper thorn 1106 punctures the bubbles gathered to the lower part continuously, under the effect of elastic component 1104, mounting panel 1105 can be accompanied its self in reciprocating motion process and take place tremble, and then be more convenient for puncture foam, because constantly inwards gather of foam, the third awl thorn 1106 of outside contacts the foam at first, follow-up foam is inwards removed gradually, when third awl thorn 1106 upwards removes, the foam constantly with outside-in third awl thorn 1106 pointed end contact slip, when third awl thorn 1106 downwards removes, the tiny foam that can't puncture is by outside under second awl 1101 and third awl 1106 spacing, and then gather together into bigger foam, the foam that later formed is punctured again, constantly repeat this process, realize the elimination to different size foams.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (9)

1. A CCD thickener with defoaming function and without height difference comprises a support frame (1), a sedimentation shell (2) is fixedly arranged on the upper part of the support frame (1), the bottom of the sedimentation shell (2) is communicated with a slurry pump, an overflow trough (3) is fixedly connected with the outer ring on the upper part of the sedimentation shell (2), a bridge (4) is fixedly arranged on the upper side of the overflow trough (3), CCD machine vision detection equipment is arranged below the bridge (4), a degassing tank (5) is arranged on the left side of the bridge (4), a driving piece (6) is arranged on the upper side of the bridge (4), a driving shaft (7) is rotatably connected with the middle part of the bridge (4), the driving piece (6) is in transmission connection with the driving shaft (7), a feeding cylinder (8) is arranged on the lower side of the bridge (4), the degassing tank (5) is communicated with the feeding cylinder (8) through a conveying pipe, and is characterized by further comprising a stirring part (9), and the stirring part (9) for stirring the slurry is arranged on the lower part of the driving shaft (7), the stirring component (9) is matched with different slurry concentrations for stirring to prevent slurry accumulation, the gathering component (10) is arranged at the upper part of the driving shaft (7), the gathering component (10) is used for gathering foam on the water surface to the center, the defoaming component (11) is arranged on the outer side of the charging barrel (8), the defoaming component (11) is used for eliminating the foam by puncturing, the defoaming component (11) is in sliding fit with the gathering component (10) to provide power for puncturing the foam for the defoaming component (11), and the stirring component (12) is fixedly connected at the lower end of the driving shaft (7);
the defoaming assembly (11) comprises a second cone thorn (1101), a plurality of second cone thorn (1101) are arranged, the plurality of second cone thorn (1101) are uniformly distributed and fixedly connected with the outer periphery of the charging barrel (8), the second cone thorn (1101) at the lowest side is positioned at the lower side of the bottom surface of the tooth space of the sedimentation shell (2), a fixing pin (1102) is fixedly connected with the inner side surface of each arc arm (1009), a limiting sliding ring (1103) is arranged at the upper part of the charging barrel (8) in a limiting and sliding manner, a wavy limiting groove is formed in the outer periphery of the limiting sliding ring (1103), each fixing pin (1102) is matched with the wavy limiting groove of the limiting sliding ring (1103), a plurality of elastic pieces (1104) are uniformly arranged on the lower side surface of the limiting sliding ring (1103), a mounting plate (1105) is fixedly connected with the lower ends of the plurality of elastic pieces (1104), a plurality of through grooves are formed in the circumferential direction of the inner peripheral surface of the mounting plate (1105), and the through grooves of the mounting plate (1105) correspond to the second cone thorn (1101), the lower side surface of the mounting plate (1105) is provided with a plurality of groups of third pricks (1106).
2. The CCD thickener with defoaming function and no height difference as claimed in claim 1, wherein a plurality of tooth grooves are circumferentially arranged at the upper end of the sedimentation shell (2), the bottom of the sedimentation shell (2) is in the shape of a frustum shell, and the frustum oblique angle at the bottom of the sedimentation shell (2) is 6-12 degrees.
3. The CCD thickener with defoaming function and no height difference as claimed in claim 1, the utility model is characterized in that, stirring part (9) are including fixed block (901), fixed block (901) fixed connection is in drive shaft (7) lower part, fixed block (901) are the square, the peripheral rigid coupling respectively of fixed block (901) has harrow arm (902), harrow arm (902) cross section is the hexagon tube-shape, it has spacing shell (903) to rigid coupling respectively between four harrow arms (902) and drive shaft (7), the fixed gag lever post that is provided with in middle part in spacing shell (903), be provided with a plurality of between drive shaft (7) and harrow arm (902) respectively and pull piece (904), four harrow arm (902) lower parts are provided with a plurality of scraper blade (905) respectively, the inside adjusting part that is provided with of harrow arm (902), scraper blade (905) are connected with the adjusting part, the adjusting part is used for adjusting the angle of scraper blade (905).
4. The CCD thickener with defoaming function and no height difference as claimed in claim 3, wherein along the clockwise movement direction of the scraper (905), the scraper (905) is gradually widened from the front end to the back, the front part of the scraper (905) is in a straight state, the tail part of the scraper (905) is gradually bent inwards, and the bending radian of the outer side surface of the scraper (905) is smaller than that of the inner side surface thereof.
5. The CCD thickener with defoaming function and no height difference as claimed in claim 3, wherein the adjusting assembly comprises a sliding rod (906), the sliding rod (906) is slidably disposed inside the driving shaft (7), the upper end of the sliding rod (906) is connected with the driving member (6), the telescopic end of the sliding rod (906) is fixedly connected with a limiting block (907), the lower part of the limiting block (907) is circumferentially provided with four limiting rotating rods (908), the four limiting rotating rods (908) are respectively hinged with the limiting block (907), the rake arm (902) is internally provided with a plurality of limiting sliders (909) in an equidistant sliding manner, the limiting sliders (909) are hexagonal prisms, the number of the limiting sliders (909) is the same as that of the scraping plates (905), each limiting rotating rod (908) is in ball joint with the adjacent limiting slider (909), the middle part of the limiting rotating rod (908) is provided with a straight groove, the limiting rod of the limiting shell (903) is located in the straight groove of the adjacent limiting rotating rod (908), the rack (912) is arranged in each rake arm (902) in a sliding manner, the rack (912) is fixedly connected with a plurality of adjacent limiting sliding blocks (909), straight gears (913) are fixedly connected to the upper sides of the middle parts of the scraping plates (905) through connecting rods, the straight gears (913) are respectively meshed with the adjacent racks (912), and two limiting pins (914) are fixedly connected to the upper sides of the scraping plates (905).
6. The CCD thickener with defoaming function and no height difference as claimed in claim 3, wherein two side edges of each rake arm (902) are respectively provided with a limiting plate (910), a plurality of limiting grooves are respectively formed at the opposite parts of two adjacent limiting plates (910), the distances between the limiting grooves of the limiting plates (910) are equal, two limiting slide bars (911) are fixedly connected in each rake arm (902), a limiting slide block (909) is connected with the limiting slide bars (911) in a limiting sliding manner, and a plurality of limiting pins (914) are respectively arranged in the limiting grooves of the adjacent limiting plates (910) in a limiting sliding manner.
7. The CCD thickener with defoaming function and no height difference as claimed in claim 3, wherein the gathering member (10) comprises two sealing shells (1001), two sealing shells (1001) are provided, two sealing shells (1001) are fixedly arranged at the lower side of the charging barrel (8), the two sealing shells (1001) are fixedly connected through a supporting block, a rotating ring (1002) is rotatably arranged between the two sealing shells (1001), an inner gear ring is arranged at the inner side of the rotating ring (1002), the two sealing shells (1001) and the rotating ring (1002) form a sealed cavity, a driving gear (1003) is fixedly connected at the lower part of the driving shaft (7), the driving gear (1003) is positioned in the sealed cavity, a rotating shaft (1004) is rotatably arranged at the left part and the right part between the two sealing shells (1001), a first transmission gear (1005) is fixedly connected at the upper ends of the two rotating shafts (1004), the driving gear (1003) is meshed with the first transmission gear (1005), the equal rigid coupling in two pivot (1004) lower parts has second drive gear (1006), two second drive gear (1006) all mesh with the interior ring gear of change (1002), charging barrel (8) middle part is provided with spacing ring (1007), the outside circumference of change (1002) is provided with a plurality of groups and scrapes the subassembly of getting, spacing spout has been seted up to spacing ring (1007) peripheral part, a plurality of groups scrape the subassembly get respectively with the spacing spout sliding connection of spacing ring (1007), scrape the subassembly and skim the foam of the surface of water, and gather together the foam to the center with change (1002) cooperation.
8. The CCD thickener with defoaming function and no height difference as claimed in claim 7, wherein the scraping component comprises a connecting arm (1008), the lower end of the connecting arm (1008) is fixedly connected to the outer peripheral surface of the rotating ring (1002), an arc arm (1009) is fixedly connected to the upper end of the connecting arm (1008), the inner side part of the arc arm (1009) is perpendicular to the charging barrel (8), the outer side part of the arc arm (1009) inclines in an anticlockwise arc manner, the outer end of the arc arm (1009) extends to the inner side surface of the sedimentation shell (2), the lower side surface of the arc arm (1009) and the bottom surface of the tooth groove of the sedimentation shell (2) are located on the same horizontal plane, and a plurality of first conical spines (1010) are arranged at the inner side part of the inner arc surface of the arc arm (1009).
9. The CCD thickener with defoaming function and no height difference as claimed in claim 1, wherein each group of the third pricks (1106) comprises a plurality of the third pricks, the third prick (1106) at the inner side is the longest, and the third prick (1106) at the outer side is the shortest.
CN202210915532.2A 2022-08-01 2022-08-01 CCD thickener with defoaming function and without height difference Active CN114984623B (en)

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Publication number Priority date Publication date Assignee Title
CN116495858A (en) * 2023-06-27 2023-07-28 中铁建工集团有限公司 Efficient sewage treatment sedimentation tank
CN116899279A (en) * 2023-09-13 2023-10-20 江西亚非国际矿冶研究有限公司 Intelligent mineral separation thickener
CN117205623A (en) * 2023-11-03 2023-12-12 南通腾宇环保设备有限公司 Desilting equipment of sewage sedimentation tank for agricultural production

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CN207667205U (en) * 2017-12-13 2018-07-31 新巴尔虎右旗荣达矿业有限责任公司 Defoaming device for thickener and underflow ore discharge device
CN212039145U (en) * 2020-04-20 2020-12-01 淮北中阳矿山机械有限公司 Central transmission thickener
CN113717644A (en) * 2021-08-23 2021-11-30 广东秦晟环保科技有限公司 Preparation method and device of special drier for automatic dish-washing machine

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Publication number Priority date Publication date Assignee Title
CN101402005A (en) * 2008-11-04 2009-04-08 北京航天万源煤化工工程技术有限公司 Setting tank with rotary scraping and brushing apparatus
CN202700160U (en) * 2012-06-14 2013-01-30 甘肃酒钢集团宏兴钢铁股份有限公司 Rake thickener
CN105641978A (en) * 2014-11-20 2016-06-08 徐静 Defoaming mechanism of central driving thickener
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CN212039145U (en) * 2020-04-20 2020-12-01 淮北中阳矿山机械有限公司 Central transmission thickener
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CN116495858A (en) * 2023-06-27 2023-07-28 中铁建工集团有限公司 Efficient sewage treatment sedimentation tank
CN116495858B (en) * 2023-06-27 2023-10-20 中铁建工集团有限公司 Efficient sewage treatment sedimentation tank
CN116899279A (en) * 2023-09-13 2023-10-20 江西亚非国际矿冶研究有限公司 Intelligent mineral separation thickener
CN116899279B (en) * 2023-09-13 2023-12-01 江西亚非国际矿冶研究有限公司 Intelligent mineral separation thickener
CN117205623A (en) * 2023-11-03 2023-12-12 南通腾宇环保设备有限公司 Desilting equipment of sewage sedimentation tank for agricultural production
CN117205623B (en) * 2023-11-03 2024-03-05 南通腾宇环保设备有限公司 Desilting equipment of sewage sedimentation tank for agricultural production

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