CN109092554A - Cross-flow sand mud washs isolated method and device - Google Patents

Cross-flow sand mud washs isolated method and device Download PDF

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Publication number
CN109092554A
CN109092554A CN201810599887.9A CN201810599887A CN109092554A CN 109092554 A CN109092554 A CN 109092554A CN 201810599887 A CN201810599887 A CN 201810599887A CN 109092554 A CN109092554 A CN 109092554A
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sand
washed
cylinder
flow
room
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CN201810599887.9A
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CN109092554B (en
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张日养
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张日养
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03BSEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B9/00General arrangement of separating plant, e.g. flow sheets
    • B03B9/02General arrangement of separating plant, e.g. flow sheets specially adapted for oil-sand, oil-chalk, oil-shales, ozokerite, bitumen, or the like

Abstract

It is washed the present invention relates to the ejected wash water that a kind of sand mud by soil sand mixed liquor rises with one and obtains clean satisfactory sand grains, espespecially a kind of property in water using sludge in sand mud mixed liquor and sand grains with different settling velocities, the ejected wash water for importing rising separate sand grains with sludge and achieve the purpose that the high-quality sand grains of washing.

Description

Cross-flow sand mud washs isolated method and device
Technical field
The invention belongs to washed-out sand technical fields, and in particular to cross-flow sand mud washs isolated method and device.
Background technique
The washed-out sand work tool of washed-out sand field is as shown in figure 16 on the market at present, and the clay content of this sand washer finished product is excessively high-quality Measure bad, this type of sand washer finished sand 5 includes a large amount of sludge, divide into sand attachment mud, surface sink mud, gap mud its at Because as follows:
Sand adheres to mud: raw sand becomes fluid state and is uniformly distributed in sand mud in water body with washing away for water flow, sand Although in sub- gap sludge separate, due to sand grain surface particle scrambling therefore still have sludge be attached to sand grains this Mud granule will precipitate together with sand grains.
Gap mud: when flow-like mixing quicksand 43 flow into precipitation and separation pond 55 after due to fluid in sinuous flow state and due to The agitation of runner 47, therefore sludge is uniformly distributed in fluid, after sand gradually precipitates sand gradually replace fluid boundary by Layer rises, but due to the porosity in sand gap, is gradually coated on the sludge water containing mud granule wherein in precipitation process Then the property that mud is included in layer of sand is formd, and sand can also carry under one's arms sludge because of the Gradeability amount on its surface in infall process Sedimentation so forms gap mud then.
Surface sinks mud: after leaf 4 of strike-ofing, which scrapes bed load 46, enters fluid, the fluid full of sludge can fill rapidly colloid The gap of 45 surrounding of sand, body containing mudflow is also by up band, this subsequent fluid while leaf 4 of strike-ofing leaves sand setting cylinder 55 It penetrates layer of sand to be discharged from sieve again, the mud granule in fluid is trapped the surface for being deposited on colloid sand 45.
Finished sand clay content based on existing sand washer output is excessively high, and the status of quality not needs one kind in the prior art New technical solution solves problem above.
Summary of the invention
Isolated method and device is washed the purpose of the present invention is to provide a kind of cross-flow sand mud, solves existing skill The finished sand clay content of sand washer output in art is excessively high, quality not the problem of.
The technical solution of the present invention is as follows:
Cross-flow sand mud washing separating method, this method include
One sand mud separating step, material flow sand continue to flow into energy dissipating room, eliminate fluid to contain volume buffering in energy dissipating room Impulse strength, the fluid of this energy dissipating then flow into lead sand surge chamber in the inner muddy water mixed solution up flow into rectification room, sand grains Then borrow enter washed-out sand room from resedimentation and lead on abrasive cone barrel, fall to lead abrasive cone cylinder (sand grains of wall borrow self weight slide into washed-out sand room, The muddy water mixed solution of rectification room is flowed upwardly into rectify the rectification leaf rectification removal rotating vector of indoor radial configuration, rectification The volume that room provides makes the muddy water mixed solution of circulation become current stabilization state, finally passes through the overflow weir uniform flow above rectification room Enter the outer cylinder that catchments, then follows sludge pipe outflow washed-out sand cylinder;
One washed-out sand step, the sand setting for sinking to washed-out sand room continue to interlock toward bottom offset with the upward ejected wash water of sand developing tube injection Displacement, the sludge particle for making sand grains be mingled with and adsorb clean water washing by this upwards, and are shifted into herewith water flow and lead sand buffering Room then flows into rectification room in company with the muddy water mixed solution of shakeout, and the sand grains for passing through washed-out sand room is deposited on sand collecting chamber, is infused with sand developing tube The downward ejected wash water entered goes out this sand setting, and the flow that the finished product sand flow of sand collecting chamber is discharged is adjusted with sand flash valve.
A kind of cross-flow sand mud washing separation device, the device one in appearance under straight ring pointed cone thin wall cylinder, inside Being partitioned into several specific function regions includes:
One energy dissipating room, the inner space of energy dissipating cylinder, energy dissipating cylinder are placed in the axle center of washed-out sand cylinder online and are overlapped with it, Axial contour with washed-out sand cylinder, periphery ring set washed-out sand outer cylinder is connected and fixed between energy dissipating cylinder and washed-out sand outer cylinder with rectifying leaf, with Energy dissipating room buffering flows into the impulse strength of the fluid material sand of washed-out sand cylinder;
One rectification room, is formed by region between washed-out sand outer cylinder and energy dissipating cylinder, and rectification leaf will rectify below room and be partitioned into number A separate space rectifies the rotating vector that leaf eliminates flow-through fluid with this, using this room of rectification adjustment fluid as current stabilization state, this Current stabilization state flow finally uniformly passes through overflow weir and is discharged into the outer cylinder that catchments;
One catchments outer cylinder, is located on the axial top of washed-out sand outer cylinder, mixed to collect the shakeout muddy water that overflow weir overflow goes out Close liquid, built-in sludge pipe, washed-out sand cylinder is discharged in muddy water mixed solution;
One leads sand surge chamber, and for the inner space for leading abrasive cone cylinder, linking leads abrasive cone barrel below washed-out sand outer cylinder Inclination angle is greater than the angle of repose that sand grains glides, and fluid material sand is separated in leading in sand surge chamber sand mud, and muddy water mixed solution is toward upper It moves, sand grains is then toward bottom offset;
One washed-out sand sand collecting chamber, washed-out sand cone cylinder inner space, washed-out sand cone cylinder are thin wall hollow Taper Pipe, and Taper Pipe inclination angle is greater than Lead the tilt angle of abrasive cone pipe, the linking of washed-out sand cone cylinder in lead below abrasive cone cylinder two axis be overlapped, washed-out sand room be washed-out sand cone cylinder with Annular space between sand developing tube, sand setting are cleaned water by this space and remove residual mud, and sand collecting chamber's linking is store below washed-out sand room Stay the sand setting of washes clean;
One sand developing tube, is placed in the centre of washed-out sand cylinder, and sand developing tube is bonded into one with sand developing tube positioning plate and energy dissipating cylinder Body, to guide ejected wash water to flow into washed-out sand room washing sand setting;
One sand flash valve is installed in the washed-out sand cone cylinder axial direction vertex of a cone, the finished sand in sand collecting chamber is derived washed-out sand with sand flash valve Cylinder, and the discharge rate and water content of finished sand are adjusted whereby.
A kind of mud scraper group of cross-flow sand mud washing separation device, the mud scraper group include:
One transmission host, is fixed on washed-out sand cylinder, to drive arm rotation of strike-ofing;
One central rotating shaft, its axial top weldering of one hollow tube of central rotating shaft set transmission shaft and connect with transmission host, axial direction One opening port of bottom end, central rotating shaft top ring set water guiding ring, water guiding ring axial ends are inserted in sealing axle envelope, make water guiding ring in Heart shaft forms a movable confined space, and central rotating shaft is in equidistantly opening up hole in the radial position of this confined space, in The operating strength of heart shaft transmitting transmission host, and guide ejected wash water and enter washed-out sand room;
One water guiding ring is clogged sealing axle envelope for hollow pipe fitting axial ends, is touched with sealing axle envelope and central rotating shaft, led Sand developing tube is inserted into position on water ring diameter, injects central rotating shaft to guide washed-out sand clear water to lead, then follows central rotating shaft injection and wash Sand setting is cleaned in sand room;
One strike-offs arm, and arm of strike-ofing is across in pairs leads on abrasive cone cylinder, is pinned on central rotating shaft wing plate, in transmitting The spinning force of heart shaft;
One stragith edge is assemblied in below arm of strike-ofing, is configured with arm is strike-off with a special angle, be affixed on lead abrasive cone cylinder in pairs On wall, arm is rotated synchronously with strike-ofing, and will lead abrasive cone cylinder, (the product sand above wall is continuously scraped into the washed-out sand of washed-out sand room, to obtain Clean finished sand.
Further, it is strong that the centrifugal force for borrowing high speed rotation to generate after liquid spigot is injected after can pressurizeing to sand mud mixed liquor at a high speed System is divided into the rotation magma containing sand and the rotation thin liquid containing mud, revolves the flow of thin liquid much larger than rotation magma, will contain again at this time highly enriched The rotation magma of silt particle imports silt particle cylinder and carries out washed-out sand operation, so makes into silt particle cylinder to washed-out sand mud mixed liquor Flow is greatly reduced, below identical cleaning water and space occupied situation still to the sand mud mixed liquor of higher sludge viscosity There is identical washed-out sand effect situation.
A kind of multistage cross-flow sand mud washing separating method, each other by several independent cross-flow sand washers mutually It is connected in series with drain pipe, the raw sand containing mud is cleaned through multistage and the minimum finished sand of clay content can be obtained, flow-like is former Material sand flow enters the first section finished sand that bottom of pond is sunken to obtained by the washed program of first section cross-current sand washer, follows just section row by means of liquid level difference The middle section finished sand that sandpipe flows into the clay content reduction that bottom of pond is sunken to obtained by the washed program of middle section cross-current sand washer is borrowed again Liquid level difference follows middle section drain pipe and flows into the final silt particle laundry operation of latter end cross-current sand washer progress, makes to be sunken to latter end cross-current Its clay content of the final finished sand of sand washer meets finished sand required standard, the identical cross-flow concatenated mutually by means of front and back Sand washer washs raw sand, and reaches best washing effect.
Further, the quantity and on-fixed of the cross-flow sand washer concatenated are matched according to washing object elasticity increase and decrease It sets, best washed-out sand effect is obtained with most economical equipment setting.
Further, the sinking speed of sand grains in finished sand is greater than in its flowing velocity of the finished sand flowed in drain pipe, this The flow velocity of finished product sand flow can temporarily transfer the aperture of throttle valve on entire row sandpipe and adjust to optimal flow velocity, make sand in finished sand Grain minimizes the abrasion of drain pipe, and has longest service life.
The present invention by adopting the above technical scheme can be brought the following benefits:
(1) the clay content low quality of finished sand is good: fluid material sand is borrowed certainly in leading in sand surge chamber for washed-out sand cylinder Again shunt sand grains and muddy water, and the sludge that sand setting is mingled with and is adsorbed with the cleaning water flow risen in subsequent washed-out sand room Particle removes, and the clay content of the finished sand of output is effectively reduced, and improves than traditional sand washer a lot of.
(2) sand leakage amount is low: after fluid material sand enters washed-out sand cylinder, fluid impulse strength is eliminated with energy dissipating cylinder, and Spinning force is eliminated to rectify the rectification leaf on room, rectifies sedimentation speed of the upflow velocity lower than sand grains of indoor muddy water mixed solution Degree, this muddy water mixed solution one stablizes ascending current without short flow phenomenon, is only capable of washing from sludge and can not washing away sand grains, therefore leaks Sand amount is effectively reduced.
(3) structure is simple, and appropriate rate is high: moving element of the present invention is few, the element relative friction speed contacted with sand grains Low and sand grains is suspended from liquid and optional contact, therefore it is high to wear away the low appropriate rate of few whole parts loss.
Detailed description of the invention
Fig. 1 is the appearance diagram that cross-flow sand mud of the present invention washs washing separation device.
Fig. 2 is the schematic diagram of Fig. 1 section line 1-1.
Fig. 3 is the schematic diagram of Fig. 1 section line 2-2.
Fig. 4 is the energy dissipating cylinder of cross-flow sand mud washing separation device of the present invention and the combined front view of sand developing tube.
Fig. 5 is the energy dissipating cylinder of cross-flow sand mud washing separation device of the present invention and the Combined Right Elevation Up of sand developing tube.
Fig. 6 is the sand flash valve main view of cross-flow sand mud washing separation device of the present invention.
Fig. 7 is the sand flash valve right view of cross-flow sand mud washing separation device of the present invention.
Fig. 8 is the flow chart of cross-flow sand mud washing separation device of the present invention.
Fig. 9 is the schematic diagram that cross-flow sand mud washing separation device of the present invention installs mud scraper group additional.
Figure 10 is the enlarged diagram of view VIEW:A in Fig. 9.
Figure 11 is the enlarged diagram of view VIEW:B in Fig. 9.
Figure 12 is the schematic diagram of Fig. 9 section line 1-1.
Figure 13 is the schematic diagram of Fig. 9 section line 2-2.
Figure 14 is the schematic diagram of Fig. 9 section line 3-3.
Figure 15 is the washed-out sand operating schematic diagram that cross-flow sand mud washing separation device of the present invention installs mud scraper group additional.
Figure 16 is the enlarged diagram of view VIEW:A in Figure 15.
Figure 17 is the enlarged diagram of the view VIEW:B in Figure 15.
Figure 18 is existing horizontal-flow type sand washer appearance diagram.
Figure 19 is the main view of the liquid spigot of cross-flow sand mud washing separation device of the present invention.
Figure 20 is the top view of the liquid spigot of cross-flow sand mud washing separation device of the present invention.
Figure 21 is the action schematic diagram of the liquid spigot of cross-flow sand mud washing separation device of the present invention.
Figure 22 is the washed-out sand flow chart of pressure centrifugation cross-flow sand mud washing separation device of the invention.
Figure 23 is the washed-out sand flow chart of multistage cross-flow sand mud washing separation device of the invention.
In figure, 1- washed-out sand cylinder, 2- washed-out sand outer cylinder, 3- energy dissipating cylinder, 4- lead abrasive cone cylinder,
Washed-out sand cone cylinder, 6- sand developing tube, 7- overflow weir, 8- sand removing hole, 9- lead abrasive cone, 10- leads abrasive cone endless tube, 11- leads abrasive cone Adjustment screw, 12- lead abrasive cone fixing seat, 13- rectification leaf, 14- sludge pipe, 15- sand developing tube positioning plate, 16- pedestal, 17- sediment outflow Collar extension, 18- fluid material sand, 19- wash mud waste liquid, 20- washed-out sand clear water, 21- finished sand, 22- energy dissipating room, 23- rectification room, 24- leads sand surge chamber, 25- washed-out sand room, 26- sand collecting chamber, 27- lead sand room, 28- central rotating shaft, 29- strike-off arm, 30- stragith edge, 31- water guiding ring, 32- sealing axle envelope, 33- stayed mast, 34- tension arm, 35- central rotating shaft wing plate, 36- strike-off arm wing plate, 37- Tension arm wing plate, 38- clear water ring casing, 39- cleaning water flow, 40- finished product sand flow, 41- cleans water flow upwards, 42- is rinsed downwards Water flow, 43- mixing quicksand, 44- strike-off leaf, 45- colloid sand, 46- bed load, 47- runner, 48- filtrate, 49- washed-out sand waste liquid, 50- Sand mud mixed liquor, 51- bottom horizontal flow sheet, 52- vibrating screen, 53- fluid sand, 54- finished sand, 55- cylinder, 56- scraping arm rotation, 57- sand flash valve, 58- washed-out sand outer cylinder, 59- transmission host, 60- vortex tube, 61- leads coil, 62- accelerates Taper Pipe, 63- rotation is dilute Vortex, 66- rotation magma, 67- forcing pipe, 68- guide wire, 69- are pressurized sand mud mixed liquor, 70- liquid in the main vortex of liquid, 64-, 65- The first section cross-current sand washer of spigot, 71-, the middle section 72- cross-current sand washer, 73- latter end cross-current sand washer, the first section sediment outflow of 74- The first section throttle valve of section finished sand, the middle section 77- finished sand, 78- final finished sand, 79- at the beginning of pipe, the middle section 75- drain pipe, 76-, 80- terminal section throttle valve.
Specific embodiment
Below in conjunction with the drawings and the specific embodiments, the invention will be further described;
As shown in Figure 1, 2, 3, cross-flow sand mud washing separation device, including sharp circular cone, a top under straight ring in appearance Open bottom pointed cone simultaneously in the groove body of its bottom cone installing sand flash valve 57, be partitioned into inside washed-out sand cylinder 1 energy dissipating room 22, Lead sand surge chamber 24, rectification room 23, sand collecting chamber 25 and several parts such as lead sand room 26.The inside of 22 energy dissipating cylinder 3 of energy dissipating room is empty Between, energy dissipating cylinder 3 is placed in the axle center of washed-out sand cylinder 1 in line edge, and the axial line of both this is overlapped configuration, the axial top of energy dissipating cylinder 3 Hold, energy dissipating cylinder 3 hollow and thin-walled cylinder high together with 1 top of washed-out sand cylinder, periphery ring set washed-out sand outer cylinder 58, the axle center of both this Line is also overlapped configuration, and energy dissipating cylinder 3 is connected and fixed with rectifying leaf 13 with washed-out sand outer cylinder 58;Between washed-out sand outer cylinder 58 and energy dissipating cylinder 3 Annular space is rectification room 23, and rectification leaf 13 will rectify below room 23 and be partitioned into several separate spaces, rectification leaf 13 its it is axial with The axial configured in parallel of washed-out sand outer cylinder 58, the rectification for rectifying leaf 13 whereby eliminate the rotating vector for penetrating rectification room 23, make to wear The fluid of rectification room 23 becomes the fluid of simple steady flow upwards thoroughly, and the axial upper limb ring of washed-out sand outer cylinder 58 sets overflow weir 7, makes The stationary flow for penetrating rectification room 23 uniformly flows into the outer cylinder 2 that catchments;The outer cylinder 2 that catchments is located on the axial top of washed-out sand outer cylinder 58, To collect the shakeout muddy water of the spilling of overflow weir 7, it is overlapped configuration with the axial line of washed-out sand cylinder 1, is catchmented built in outer cylinder 2 Sludge pipe 14, washed-out sand cylinder 1 is discharged in washed-out sand waste water 19;Lead the linking of sand surge chamber 24 rectification room 23 and energy dissipating room 22, the inner space of abrasive cone cylinder 4 is led, is connected in the lower section of washed-out sand outer cylinder 58, hollow cone thin-plate element leads abrasive cone cylinder 4 The tilt angle of wall is greater than the minimum angle of repose that sand grains glides, and (angle of repose is in this is defined as: when object is placed in inclined-plane, works as inclined-plane Tilt to object and start the angle to glide), the axial line for leading abrasive cone cylinder 4 is also overlapped with the axial line of washed-out sand cylinder 1, is disappeared certainly Can the fluid material sand 18 that moves down of room 22 in this room because the retardance of internal flow makes the flow of water reverses to bottom offset to upper It moves, borrows self weight to continue to bottom offset in the sand grains in this space material flow sand 18, and the water flow containing mud then up flows into rectification Room 23;Lead and be connected washed-out sand room 25 and sand collecting chamber 26 below sand surge chamber 24,26 washed-out sand cone cylinder 5 of washed-out sand room 24 and sand collecting chamber it is interior Portion space, washed-out sand cone cylinder 5 are also the hollow cone cylinder of a thin-walled, and barrel cone angle is also greater than the inclination angle for leading abrasive cone cylinder 4, washed-out sand The axial line of cone cylinder 5 is also overlapped configuration with the axial line of washed-out sand cylinder 1, and wherein washed-out sand room 25 is washed-out sand cone cylinder 5 and sand developing tube Annular space is formed by between 6, its flow path area of this annular space is in now narrow upper width, the upward cleaning for injecting sand developing tube 6 Water 41 is successively decreased by the flow velocity in this space, and settle into washed-out sand room 25 sand grains then bear be incremented by cleaning water flow washing reach Sand setting washes the purpose of mud, and the sand collecting chamber 26 of 5 lower section of washed-out sand cone cylinder is deposited on by the sand setting of washed-out sand room 25;Sand developing tube 6, which is placed in, to be washed Both centres of sand separation cylinder 1 axial line is overlapped, and sand developing tube 6 up extends energy dissipating cylinder 3, is inserted into washed-out sand cone cylinder 5 down Washed-out sand room 25, with sand developing tube 6 guide washed-out sand clear water 20 enter washed-out sand room 25 clean sand setting, sand developing tube 6 is with sand developing tube positioning plate 15 It connect and is positioned thereon with energy dissipating cylinder 3;The axial cone bottom of washed-out sand cone cylinder 5 connects sand flash valve 57, with sand flash valve 57 by sand collecting chamber 26 Inside the finished sand 21 of washes clean derives washed-out sand cylinder 1, adjusts the aperture of sand flash valve 57 to adjust outflow sand collecting chamber The flow and moisture content of 26 finished sand 21, the finished sand 21 of this flow-like remove moisture content again to be further dehydrated facility, with Conducive to the use of final use.
Sand flash valve 57 as shown in Figure 6,7 fills a sealing plate in the hollow axial side for leading abrasive cone endless tube 10, this sealing plate center Sand removing hole 8 is opened up, concentric arrangement in abrasive cone endless tube 10 is led and leads abrasive cone 9, lead 9 taper of abrasive cone, cone protrudes into sand removing hole 8, leads 9 bottom concentric arrangement of abrasive cone leads abrasive cone adjustment screw 11, this adjustment screw 11 and the screw hole weight for leading 12 center of abrasive cone fixing seat It closes, leads 12 1 plate of abrasive cone fixing seat, be fixed on and lead the axial other end of abrasive cone endless tube 10, in the disk for leading abrasive cone fixing seat 12 Equidistantly open up several sediment outflow collar extensions 17;Sand room is led in formation one between leading abrasive cone endless tube 10 and leading abrasive cone 9 and lead abrasive cone fixing seat 12 27, finished product sand flow 40 in sand collecting chamber 26 is given afflux discharge washed-out sand cylinder 1, abrasive cone adjustment screw 11 is led by means of rotation To guide abrasive cone 9 in the axial displacement of sand flash valve 57, abrasive cone 9 is led at a distance from sand removing hole 8 to change, abrasive cone 9 is led and inserts Enter sand removing hole 8, changes flow path area between the two, to adjust the circulation of finished product sand flow 40, further control finished sand 21 water content.
Cross-flow sand mud washing separating method as shown in Figure 8, sand mud have been uniformly distributed in the fluid material in fluid Sand 18, in a manner of pressure current (as pumping draw give or liquid level difference) flow into energy dissipating cylinder 3, with energy dissipating cylinder 3 provide volume eliminate fluid Impulse strength and the state that tends towards stability, fluid material sand 18 are buffered because leading sand in moving down vector by the presentation of energy dissipating cylinder 3 The retardance strength and reverse directions of fluid become to shift up vector in room 24, the sludge particle that material flow sand 18 includes its Swimming current potential repulsive interaction, divides sludge particle uniformly due to this repulsive interaction of position mutually pushes away caused by particle surface is electrically charged It is distributed in fluid, and the sinking speed of this sludge particle rectifies the fluid flow rate of room 23 shifted up, therefore quilt lower than inflow It synchronizes and brings rectification room 23 into, and its flow velocity of the sand grains in fluid material sand 18 is greater than the fluid rate of climb, therefore not with fluid Flow into rectification room 23 so that the fluid for flowing into rectification room 23 becomes the muddy water mixed solution of shakeout, this muddy water mixed solution is by rectification The rectification leaf 13 of radial configuration in room 23 eliminates the spinning force around the rotation of 1 axial line of washed-out sand cylinder, makes to pass through rectification The fluid of room 23 becomes current stabilization state, this muddy water mixed solution moved up is finally crossed the uniform outer cylinder 2 that catchments that flows into of overflow weir 7 and given With afflux, then the sludge pipe 14 followed thereon flows out washed-out sand cylinder 1;Sand grains in material flow sand 18 borrows that lead sand slow from overweighting Rush in room 24 and continue to bottom offset, after sink to washed-out sand room 25 and lead on 4 wall of abrasive cone cylinder, because the tilt angle for leading 4 wall of abrasive cone cylinder is big Stop angle and lower slide-in washed-out sand room 25 in the mirror that sand grains glides;The lower sand grain surface for sliding into washed-out sand room 25 is still inhaled because of its porosity Attached to stick together sludge particle, the washed-out sand clear water 20 that the sand developing tube 6 at 25 center of washed-out sand room injects at this time makes the fluid in washed-out sand room 25 As state is shifted up, this shifts up the sludge particle that ejected wash water 41 is adhered to washing and depositing sand grain surface, this cleaning Water flow more ensures that the sand grains clay content for flowing into sand collecting chamber 26 is minimized toward sand collecting chamber's its water flow velocity of 26 direction fastlyer, and more than The cleaning water flow 41 risen, which makes to lead sand surge chamber 24 and includes the sludge water of mud, may not flow into sand collecting chamber 26;What sand developing tube 6 injected Washed-out sand clear water 20 in be divided into sand collecting chamber 26 upward ejected wash water 41 and downwards rinse water flow 42, wherein upward ejected wash water 41 to The sludge particle of sedimentation sand grains attachment in washed-out sand room 25 is rinsed, and cleans water flow 42 downwards to settle in sand collecting chamber 26 of getting excited Finished sand 21, avoid finished sand 21 in occur in sand collecting chamber 26 because of the too low illiquidity of water content sand grains build bridge blocking Situation occur;When carrying out washed-out sand operation, the sand content in the unit time in fluid material sand 18 tends to washed-out sand cylinder 1 Constant, the flow that washed-out sand cylinder 1 is discharged in finished sand 21 are controlled by sand flash valve 57, lead abrasive cone 9 and sand removing hole when sand flash valve 57 8 spacing increases, then flow path area increases, and in the case that liquid level in washed-out sand cylinder 1 is contour, makes that washed-out sand cylinder is discharged 1 40 increased flow capacity of finished product sand flow, since the sand setting amount of unit time is that constant increased flow capacity will make the aqueous of finished product sand flow 40 Amount is higher, and the load of the higher rear end dehydration facility of the moisture content of finished sand 21 will be heavier, and the aperture of adjustment sand flash valve 57 makes finished product The moisture content of sand flow 40 is effectively reduced and the situation generation of 26 sand setting of sand collecting chamber bridge formation blocking will not occur.
Cross-flow sand mud washing separating method as also shown in fig. 8, of the invention, including the separation of sand mud and washed-out sand step. Wherein sand mud separating step are as follows: material flow sand 18 continues to flow into energy dissipating room 22, includes volume buffering with energy dissipating room 22 and eliminates stream The impulse strength of body, the fluid of this energy dissipating, which then flows into, leads sand surge chamber 24 in the inner, and muddy water mixed solution up flows into rectification room 8, sand grains, which is then borrowed, to be entered washed-out sand room 25 from resedimentation and leads on 4 wall of abrasive cone cylinder, falls to the sand grains for leading 4 wall of abrasive cone cylinder by means of self weight cunning Enter washed-out sand room 23, flows upwardly into the muddy water mixed solution of rectification room 23 and rectified with the rectification leaf 13 for rectifying radial configuration in room 23 Rotating vector is removed, the volume that rectification room 23 provides makes the muddy water mixed solution of circulation become current stabilization state, finally passes through rectification room The overflow weir 7 of 23 tops uniformly flows into the outer cylinder 2 that catchments, then follows sludge pipe 14 and flow out washed-out sand cylinder 1.Washed-out sand step are as follows: heavy The sand setting for entering washed-out sand room 25 continues the upward ejected wash water 41 toward bottom offset, injected with sand developing tube 6 staggeredly displacement, is mingled with sand grains And the sludge particle of absorption is washed by this upward ejected wash water 41, and is shifted into herewith water flow and is led the then companion of sand surge chamber 24 The muddy water mixed solution of shakeout flows into rectification room 23, and the sand grains for passing through washed-out sand room 25 is deposited on sand collecting chamber 26, with the injection of sand developing tube 6 Downward ejected wash water 42 go out this sand setting, and adjust with sand flash valve 57 flow of the finished product sand flow 40 of discharge sand collecting chamber 26.
If washed-out sand cylinder 1 be greatly lowered the height for leading abrasive cone cylinder 4 and washed-out sand cone cylinder 5 need to.Lead sand Cone cylinder 4, which highly reduces, to be made to lead the inclination angle of 4 wall of abrasive cone cylinder and is less than angle of repose, and making to fall to the sand grains led on 4 wall of abrasive cone cylinder can not Sand collecting chamber 25 is slid by means of self weight, need to be scraped at this time by the sand grains pressure led on abrasive cone cylinder 4 is fallen into washed-out sand room by mechanical forces 25.If 1 centre of washed-out sand cylinder that is shown in of Fig. 9,10,11,12,13 installing mud scraper group scrapes sand setting into washed-out sand room, this Mud scraper group by transmission host 59, central rotating shaft 28, water guiding ring 31, sand developing tube 6, strike-off arm 29 and stragith edge 30 is formed.It passes The power source of dynamic 59 mud scraper group of host is positioned on washed-out sand cylinder 1 to drive central rotating shaft 28 to rotate synchronously;In Its axial top weldering of 28 1 hollow tube of heart shaft sets transmission shaft and connect with transmission host 59,28 top ring set water guide of central rotating shaft Ring 31,31 axial ends of water guiding ring are inserted in sealing axle envelope, and water guiding ring 31 and central rotating shaft 28 is made to form a movable confined air Between, central rotating shaft 28 is in equidistantly opening up hole in the radial position of this confined space, washed-out sand is inserted into position on 31 diameter of water guiding ring Pipe 6 injects central rotating shaft 28 to guide washed-out sand clear water 20, then follows central rotating shaft 28 and inject the cleaning of washed-out sand room 25 sand setting, center One opening port of the lower section of shaft 28, and the central rotating shaft wing plate 35 and tension arm 34 being set as pair are welded, weldering sets tension arm on tension arm 29 Wing plate 37, weldering sets arm wing plate 36 of strike-ofing on arm 29 of strike-ofing, with the rank of stayed mast 33 between tension arm wing plate 37 and arm wing plate 36 of strike-ofing Tension is connect, this stayed mast 33 mutually strike-off resistance to bear stragith edge 30 by pull;It strike-offs in arm 29 and the lower section of central rotating shaft 28 Heart shaft 35 pin joints of wing plate are integral, and arm 29 of strike-ofing in pairs across abrasive cone cylinder 4 is led, swear by the rotation to Delivery Center shaft 28 Amount makes the synchronous rotation of arm 29 of strike-ofing;It strike-offs and installs stragith edge 30 below arm 29, stragith edge 30 and strike-off arm 30 with appropriate angle Assembly, stragith edge 30 are rotated synchronously with arm 29 of strike-ofing, and the sand setting led on abrasive cone cylinder 4 promotion is made its swing offset by stragith edge 30, Since stragith edge 30 and arm 29 of strike-ofing not are therefore configured in parallel generates an axial passage strength, sand setting is pushed to separate toward washed-out sand The axle center displacement of cylinder 1, makes sand setting be pushed into washed-out sand room 25, cleaning shoe 30, which is continued swing offset, to be made to lead on 4 wall of abrasive cone cylinder Sand setting is persistently scraped into washed-out sand room 25 so that the washed-out sand operation of washed-out sand cylinder 1 is carried out continuously.
If the too high viscosity that will lead to this fluid of the sludge concentration of sand mud mixed liquor is too high, sand grains is caused only to rely on power for support Can not precipitation and separation easily, unless reduce its viscosity the dilution of sand mud mixed liquor increasing amount clear water and be conducive to sand mud and separate, But it will lead to 1 volume great Fu of washed-out sand cylinder increase with the substantial increase of rate of water added and quantity of circulating water also need synchronous increase, face To high concentration material, its function is just slightly insufficient not appropriate, as shown in figure 20, can be mixed at this time with pressure pumping to sand mud Liquid pressurization high speed injection liquid spigot (CYCLONE), this pressurization sand mud mixed liquor 69 borrow high speed rotation to generate after injecting liquid spigot 70 Centrifugal force be divided into the rotation magma (66) containing sand and the rotation thin liquid 65 containing mud, wherein rotation thin liquid 65 flow much larger than revolve it is dilute Liquid 65, at this time by containing highly enriched silt particle rotation magma 65 import silt particle cylinder 1 carry out washed-out sand operation, due to its flow compared with Sand mud mixed liquor quantity great Fu before the original centrifugal force separate without pressure is reduced, therefore in identical washed-out sand clear water, The viscosity for being greatly lowered related sand mud mixed liquor is reduced and can easily be divided sand mud conducive to power is only relied on for support by its sludge concentration From and have optimal separation effect, and be not required to improve cleaning water and space occupied.
The sand mud mixed liquor as shown in Figure 19,20,21 is pressurized with pressure pumping and imports liquid spigot 70, this sand along forcing pipe 67 Mud mixed liquor is imported along Archimedian vortex filament shape vortex tube 60, by this pipe guiding with asymptotic whirling streamline in leading coil 61 Interior high speed is rotated down, and the main vortex 63 of this backspin is during being rotated down because accelerating the caliber of Taper Pipe 62 is tapered to make its flowing Resistance is cumulative, when it is main vortex 63 flow downward resistance be equal to sand mud mixed liquor internal pressure when then 63 downward flow velocitys of main vortex be equal to Zero, it is generated in upwards to the guide wire 68 for belonging to low-pressure side then and is vortexed 64 discharge liquor spigots 70, in main vortex 63 and interior vortex 64 The biggish suspended sludge particle of specific gravity and partial size in rotary course in sand mud mixed liquor is influenced and past acceleration by rotary centrifugal force The tube wall of Taper Pipe 62 is rotated down, and small suspended sludge particle is because the centrifugal force of rotation is lower than the electrostatic between mud granule Repulsion is still suspended in the main vortex 63 of backspin, the patch tube wall rotation when the main 63 downward flow velocity of arrival of vortex null position Specific gravity or the higher mud granule of partial size, which are still affixed on, accelerates the rotation of 60 inner wall of Taper Pipe will not be with the interior vortex in main 63 center of vortex 64 rotations upwards, this mud granule borrow the internal pressure for accelerating Taper Pipe 62 and are self-possessed to backspin discharge liquor spigot and are suspended in main vortex The small suspended particulates of partial size in 63 are then with 64 upward discharge liquor spigots 70 of interior vortex, thus by the rotation sub-sieve choosing of sand mud mixed liquor At partial size rotation magma 66 of different sizes and rotation thin liquid 65, wherein the particle size of rotation magma 66 is higher than rotation thin liquid 65, but revolve thick The sludge concentration that liquid 66 includes between the two with rotation thin liquid is similar.Liquid spigot 70 borrow itself high speed rotation of its fluid generate from Mixed liquor screening is divided into rotation magma 66 and rotation thin liquid 61 by mental and physical efforts, wherein rotation thin liquid 61 borrows self weight to flow into silt particle cylinder 1, and Rear end water process is emitted into again rich in the rotation thin liquid after sludge desanding to set.Some fluid material sand 18 are by sludge particle in the inner It is chimeric with sand grains very close, only borrow its resulting finished sand of the single hop cross-flow washed-out sand detached job of single silt particle cylinder 1 21 its clay content are still too high, and multisection type can be used at this time and intersect washed-out sand detached job program.Multistage as shown in figure 21 intersects The washed-out sand flow chart of streaming sand-washing device is provided with 3 cross-current sand washers 71,72,73, each cross-current sand washer 71,72,73 there is liquid level difference, its liquid level elevations of each cross-current sand washer, according to the flow direction of finished sand 21 by cylinder to each other It reduces, liquid level difference is identical to each other for every a pair of cross-current sand washer, and when carrying out cross-current washed-out sand operation, fluid material sand 18 is led It is resulting containing the first section finished sand 21 of mud to enter 71 progress silt particle detached job of just section washed-out sand cylinder, borrows first section silt particle cylinder ratio The gravitational potential energy poor compared with high liquid level of middle section silt particle cylinder 72 follow just section drain pipe 74 be forced into middle section silt particle cylinder 72 into The secondary cross-current washed-out sand of row separates program, reduces the clay content of resulting just section finished sand 76 further, through two Finished sand 77 its clay content in middle section obtained by secondary washing is lower than the clay content of first section finished sand 77, then borrows the liquid level between the two 72,73 The gravitational potential energy that difference generates, makes moderate finished sand 77 follow middle section drain pipe 75 and is forced into latter end cross-current sand washer 73, carries out The washing of middle section finished sand 77 is met required final finished sand 78 at clay content by final cross-current washed-out sand operation, Latter end cross-current sand washer 73 is then exhausted to point of use.It can be according to the property of fluid material sand 18 to be washed, string group cross-current sand washer Quantity, when fluid material sand 18 is more difficult to washes clean, then needed for string group cross-current sand washer quantity it is more, can elasticity match It sets and obtains optimal processing effect.
As shown in figure 23, when carrying out multisection type cross-current washed-out sand detached job program, just, in middle section drain pipe 74,75 The flow velocity of sand flow need to be greater than the sinking speed of sand grains, and making the sand grains just, in terminal section finished sand 74,75 of flow-like, reason is not heavy Reduction of speed degree is greater than the upflow velocity of drain pipe 74,75 and is piled up in generation choking phenomenon in drain pipe.In drain pipe 74,75 The flow velocity of sand flow is equal to the speed that the gravitational potential energy pressurization of liquid level difference each other between each cross-current sand washer 71,72,73 generates The flow velocity of this sand flow can temporarily transfer the whole first, throttle valve 79,80 in middle section drain pipe 74,75 and control sand flow speed, work as throttle valve 79,80 turn down and make sand flow flow-reduction, make in drain pipe 74,75 just, middle section finished sand 74,75 flow velocitys reduce, adjust sand flow Speed to optimum range can effectively reduce sand flow, and to have drain pipe 74,75 to the abrasion of drain pipe 74,75 maximum using the longevity Life.

Claims (7)

1. a kind of cross-flow sand mud washing separating method, it is characterised in that: this method includes
One sand mud separating step, material flow sand (18) continue to flow into energy dissipating room (22), include volume buffering with energy dissipating room (22) The impulse strength of fluid is eliminated, the fluid of this energy dissipating, which then flows into, leads sand surge chamber (24) muddy water mixed solution up flows into the inner It rectifies room (8), sand grains, which is then borrowed, to be entered washed-out sand room (25) from resedimentation and lead on abrasive cone cylinder (4) wall, is fallen to and is led abrasive cone cylinder (4) wall Sand grains borrows self weight to slide into washed-out sand room (23), flows upwardly into the muddy water mixed solution of rectification room (23) to rectify radial in room (23) match Rectification leaf (13) the rectification removal rotating vector set, the volume that rectification room (23) provides make the muddy water mixed solution of circulation become current stabilization State, the overflow weir (7) finally passed through above rectification room (23), which uniformly flows into, to catchment outer cylinder (2), then follows sludge pipe (14) outflow Washed-out sand cylinder (1);
One washed-out sand step, the sand setting for sinking to washed-out sand room (25) continue the upward ejected wash water toward bottom offset, injected with sand developing tube (6) (41) it is staggeredly displaced, the sludge particle for making sand grains be mingled with and adsorb is washed by this upward ejected wash water (41), and with herewith water flow position Immigration leads sand surge chamber (24) and then flows into rectification room (23) in company with the muddy water mixed solution of shakeout, passes through the sand grains of washed-out sand room (25) Sand collecting chamber (26) are deposited on, this sand setting are gone out with the downward ejected wash water (42) that sand developing tube (6) are injected, and with sand flash valve (57) adjustment The flow of the finished product sand flow (40) of sand collecting chamber (26) is discharged.
2. a kind of cross-flow sand mud washing separation device, it is characterised in that: the device one in appearance under straight ring pointed cone thin-walled Cylinder, inside be partitioned into several specific function regions and include:
One energy dissipating room (22), the inner space of energy dissipating cylinder (3), energy dissipating cylinder (3) be placed in washed-out sand cylinder (1) axle center it is online and with It is overlapped, axial, periphery ring set washed-out sand outer cylinder (58) contour with washed-out sand cylinder (1), between energy dissipating cylinder (3) and washed-out sand outer cylinder (58) It is connected and fixed with rectifying leaf (13), the impulse for flowing into the fluid material sand (18) of washed-out sand cylinder (1) is buffered with energy dissipating room (22) Strength;
One rectification room (23), is formed by region between washed-out sand outer cylinder (58) and energy dissipating cylinder (3), and rectification leaf (13) will rectify room (23) lower section is partitioned into several separate spaces, rectifies the rotating vector that leaf (13) eliminate flow-through fluid with this, rectifies room with this (23) adjustment fluid is current stabilization state, this current stabilization state flow finally uniformly passes through overflow weir (7) and is discharged into the outer cylinder that catchments (2);
One catchments outer cylinder (2), is located on the axial top of washed-out sand outer cylinder (58), the shakeout gone out to collect overflow weir (7) overflow Muddy water mixed solution, built-in sludge pipe (14), washed-out sand cylinder (1) is discharged in muddy water mixed solution;
One leads sand surge chamber (24), and for the inner space for leading abrasive cone cylinder (4), linking leads abrasive cone below washed-out sand outer cylinder (58) The inclination angle of cylinder (4) wall is greater than the angle of repose that sand grains glides, fluid material sand (18) in leading sand surge chamber (24) interior sand mud separation, Muddy water mixed solution is up displaced, and sand grains is then toward bottom offset;
One washed-out sand sand collecting chamber, washed-out sand cone cylinder (5) inner space, washed-out sand cone cylinder (5) are thin wall hollow Taper Pipe, and Taper Pipe inclination angle is greater than Lead the tilt angle of abrasive cone pipe (4), washed-out sand cone cylinder (5) linking in lead below abrasive cone cylinder (4) two axis be overlapped, washed-out sand room (25) For the annular space between washed-out sand cone cylinder (5) and sand developing tube (6), sand setting is cleaned water by this space and removes residual mud, sand collecting chamber (26) it is connected the sand setting that washes clean is stored below washed-out sand room (25);
One sand developing tube (6) is placed in the centre of washed-out sand cylinder (1), and sand developing tube (6) is with sand developing tube positioning plate (15) and energy dissipating cylinder (3) it is integrally bonded, to guide ejected wash water to flow into washed-out sand room (25) washing sand setting;
One sand flash valve (57) is installed in the axial vertex of a cone of washed-out sand cone cylinder (5), with sand flash valve (57) by the finished sand in sand collecting chamber (26) (21) washed-out sand cylinder (1) is derived, and adjusts the discharge rate and water content of finished sand (21) whereby.
3. a kind of mud scraper group of cross-flow sand mud washing separation device, it is characterised in that: the mud scraper group includes:
One transmission host (59), is fixed on washed-out sand cylinder (1), to drive arm of strike-ofing (29) to rotate;
One central rotating shaft (28), its axial top weldering of (28) one hollow tube of central rotating shaft set transmission shaft and transmission host (59) even It connects, one opening port of axial bottom end, ring set water guiding ring (31) above central rotating shaft (28), water guiding ring (31) axial ends is inserted in only Water axle envelope makes water guiding ring (31) and central rotating shaft (28) to form a movable confined space, and central rotating shaft (28) is in this confined air Between radial position on equidistantly open up hole, the operating strength of transmission host (59) is transmitted with central rotating shaft (28), and guide clear Wash water enters washed-out sand room (26);
One water guiding ring (31) clogs sealing axle envelope (32) for hollow pipe fitting axial ends, with sealing axle envelope (32) and central rotating shaft (28) touch, position insertion sand developing tube (6) on water guiding ring (31) diameter, turn to lead to guide washed-out sand clear water (20) injection center Axis (28), then follow central rotating shaft (28) injection washed-out sand room (25) cleaning sand setting;
One strike-offs arm (29), and arm of strike-ofing (29) is across leads on abrasive cone cylinder (4) in pairs, is pinned on central rotating shaft wing plate (35), Spinning force to Delivery Center shaft (28);
One stragith edge (30) is assemblied in below arm of strike-ofing (29), with arm of strike-ofing (29) with special angle configuration, is affixed on leads in pairs It on abrasive cone cylinder (4) wall, is rotated synchronously with arm of strike-ofing (29), continuously scraping the product sand for leading above abrasive cone cylinder (4) wall into washing Sand room (25) washed-out sand, to obtain clean finished sand (21).
4. a kind of cross-flow sand mud washing separating method according to claim 1, it is characterised in that: sand mud can be mixed Injected at a high speed after liquid pressurization the centrifugal force that liquid spigot (70) borrows high speed rotation to generate afterwards force to be divided into rotation magma (66) containing sand and Rotation thin liquid (65) containing mud, the flow of rotation thin liquid (65) is much larger than rotation magma (66), at this time again by the rotation containing highly enriched silt particle Magma (66) imports silt particle cylinder (1) and carries out washed-out sand operation, so makes into silt particle cylinder (1) to washed-out sand mud mixed liquor Flow is greatly reduced, and still has below identical cleaning water and space occupied situation to the sand mud mixed liquor of higher sludge viscosity Identical washed-out sand effect situation.
5. a kind of multistage cross-flow sand mud washing separating method, by several independent cross-flow sand washers mutually each other with row Sandpipe is connected in series, and the raw sand containing mud is cleaned through multistage and can obtain the minimum finished sand of clay content, it is characterised in that: stream Body shape raw sand (18) flows into the first section finished sand (76) that bottom of pond is sunken to obtained by the just washed program of section cross-current sand washer (71), Bottom of pond is sunken to obtained by washed program of section drain pipe (74) inflow middle section cross-current sand washer (72) at the beginning of following by means of liquid level difference contains mud Measure reduced middle section finished sand (77) borrows liquid level difference to follow middle section drain pipe (75) inflow latter end cross-current sand washer (73) progress again Final silt particle laundry operation, makes final finished sand (78) its clay content for being sunken to latter end cross-current sand washer (73) meet finished sand Required standard washs raw sand by means of the identical cross-flow sand washer that front and back concatenates mutually, and reaches best washing effect.
6. a kind of multistage cross-flow sand mud washing separating method according to claim 5, it is characterised in that: it is concatenated The quantity and on-fixed of cross-flow sand washer obtained according to washing object elasticity increase and decrease configuration with most economical equipment setting To best washed-out sand effect.
7. a kind of multistage cross-flow sand mud washing separating method according to claim 5, it is characterised in that: in drain pipe (74) its flowing velocity of finished sand flowed in (75) is greater than the sinking speed of sand grains in finished sand, and the flow velocity of this finished product sand flow can It temporarily transfers the aperture of throttle valve (79) (80) on entire row sandpipe (74) (75) and adjusts to optimal flow velocity, make finished sand (76) (77) interior sand grains minimizes the abrasion of drain pipe (74) (75), and has longest service life.
CN201810599887.9A 2018-06-12 2018-06-12 Cross-flow type sand-mud washing and separating method and device Active CN109092554B (en)

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TW234696B (en) * 1993-11-12 1994-11-21 Tsubogawa Tsuneo Fluid moving bed type continuous filtering apparatus
CN1164433A (en) * 1996-05-02 1997-11-12 张日养 Closed horizontal-flow type filter capable of automatically cleaning filtering layer and its filtering method
CN2647850Y (en) * 2003-10-15 2004-10-13 中国石化胜利油田有限公司胜利采油厂 Apparatus for dirty sand containing oil separating washing and dirty oil recovering
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