CN104722135A - Micro-flocculation continuous sand filter - Google Patents
Micro-flocculation continuous sand filter Download PDFInfo
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- CN104722135A CN104722135A CN201510114697.XA CN201510114697A CN104722135A CN 104722135 A CN104722135 A CN 104722135A CN 201510114697 A CN201510114697 A CN 201510114697A CN 104722135 A CN104722135 A CN 104722135A
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Abstract
The invention discloses a micro-flocculation continuous sand filter. The invention mainly aims to provide a filter device which can improve the adsorption efficiency of filter sands and at the same time can realize the cyclic regeneration of the filter sands. The micro-flocculation continuous sand filter is characterized in that the micro-flocculation continuous sand filter comprises a water distribution device, a sand guiding device, a micro-flocculation generation device and a filter sand regeneration device; the filter sand regeneration device is formed by connecting a left meandering sand lifting pipe, a right meandering sand lifting pipe, a double-layer annular solid-liquid separation groove, a drive type mixing dynamic sand washing body and two detachable sieve plate cross flow scrubbing-type sand washing bodies; a water distribution pipe of the water distribution device is formed by welding a plurality of water distribution main pipes which are crossed and communicated with each other into an umbrella shape, and each water distribution main pipe is vertically provided with a plurality of water distribution sieve caps through welding; the micro-flocculation generation device consists of a jet device, a flocculation main pipe and multiple arc steel pipes communicated with one another, and each arc steel pipe is provided with holes; and the sand guiding device is a polygon cone formed by splicing multiple triangular steel plates, and the upper cone angle of the device clings to the part right below the water distribution device.
Description
Technical field
The present invention relates to a kind of continuous sand filtration apparatus with self-cleaning function.
Background technology
Filter is the quality of the key equipment in treatment process for sewage in oil field, its operational effect, is directly connected to the effect of oil-field flooding.Drive and the popularization of alkaline surfactant polymer flooding oil-field technology along with poly-, the change of water quality of oilfield sewage is comparatively large, routine filtration device is in operation occurred the series of problems such as water quality after filter is not up to standard, media regeneration weak effect, directly affects oil field and produce normally.For this reason, the internal structure of numerous researcher to filter proposes multiple imagination, but practical application effect does not still reach perfect condition, the problems such as especially in filter cycle, water quality is stable not, media regeneration effect is difficult to guarantee, filter process can not carry out continuously are particularly remarkable.Meanwhile, in filter, the design of media regeneration mode is unreasonable, and when making backwash, the sand filtering material regeneration of surface adhesion greasy dirt is thorough not, also have impact on effluent quality after filter further.Comparatively significantly problem is routine filtration device processing that viscosity is higher, suspended solid particle diameter is little poly-drive and produced fluids during asp-flooding time occur that backwashing pressure is high, media regeneration weak effect, filter process are interrupted that effluent quality after discontinuous, filter is not up to standard, filtrate service life is short problem.After filter, water quality inferiority affects oil-field flooding efficiency further, and then affects the recovery ratio of crude oil.
Summary of the invention
In order to solve the technical problem mentioned in background technology, the invention provides and be a kind ofly applicable to process that viscosity is large, suspension particle diameter is little, emulsification degree is high and the filter of oilfield sewage containing high concentration polymer, this kind of device is for the water quality characteristics of oilfield sewage, while filtration is carried out, change the particle diameter of suspended impurity in sewage, improve the adsorption efficiency of filter sand, also can realize the reciprocation cycle regeneration of filter sand simultaneously.
Technical scheme of the present invention is: this kind of tiny flocculation continuous sand filter, there is base plate and tank body, manhole is had at the top of tank body, side manhole is had in the stage casing of tank body, the top side wall of tank body have band location-plate filter after delivery port, the draining sand removing hole of cone shape is had at the skirt internal fixtion of tank body, except these conventional structures above, the improvements that the technical program is made are: described tiny flocculation continuous sand filter also comprises water dispensing apparatus, leads sand device, tiny flocculation generating means and filter sand cyclic regeneration device four part-structure;
Wherein, described filter sand cyclic regeneration device is made up of after connecting two, left and right labyrinth sand extraction tube, two, left and right double-layer circular solid-liquid separation tank, two, left and right booster type stirring dynamic washed-out sand body and two, left and right detachable sieve plate cross-flow scrubbing type washed-out sand body; Labyrinth sand extraction tube is superposed by the hollow structure of several hexagon lantern-shapeds and forms, present an inverted Y-shaped shape, one of them oblique branch is positioned at draining sand removing hole, and connect compressed air inlet port, another vertical branch connects de-plugging flange and exports as de-plugging sediment outflow in bottom, central authorities insert a screw rod for de-plugging, and screw rod is the through top to labyrinth sand extraction tube always, connects the spacing ring of a level on the top of screw rod;
Double-layer circular solid-liquid separation tank is made after being welded by outer steel drum and internal layer steel drum, Plate Welding looping passage is together passed through with bottom internal layer outer wall of steel drum bottom its ectomesoderm inner walls of steel drums, the sidewall of internal layer steel drum has the apopore of rhombus, the sidewall of internal layer steel drum is installed the limiting plate that can limit described apopore area of passage; The circular passage of two the double-layer circular solid-liquid separation tanks in left and right is connected by blow-off pipe, and described blow-off pipe is connected with the sewage draining exit of drawing outside tank body;
The booster type stirring dynamic washed-out sand body of tubular is arranged on the centre of described double-layer circular solid-liquid separation tank internal layer steel drum, the vertical bottom of booster type stirring dynamic washed-out sand body is sand-falling port, and the cylinder STH of booster type stirring dynamic washed-out sand body is connected by the upper flanges of bend pipe flange with described labyrinth sand extraction tube; Brasses axle sleeve is fixed in the cylindrical shell upper end of booster type stirring dynamic washed-out sand body, and shaft is penetrated by axle sleeve, and booster type stirrer paddle is installed at the middle part of shaft, connects rotating ring bottom shaft, and described rotating ring can be driven by shaft and move in a circle; Stationary ring is fixed on the top of sand-falling port, stationary ring has identical central axis with described rotating ring, stationary ring has the sand hole be excessively positioned on same circumference that some apertures are different, described rotating ring has one and corresponding cross sand hole, to realize when the sand hole excessively on described rotating ring is identical with the mistake sand hole aperture on described stationary ring, namely sand filtering material falls via sand-falling port; The tapping of cylinder STH is positioned at the top of booster type stirrer paddle;
The cylindrical shell of detachable sieve plate cross-flow scrubbing type washed-out sand body is connected by the inner chamber of washed-out sand body flange with double-layer circular solid-liquid separation tank internal layer steel drum; In the cylindrical shell of detachable sieve plate cross-flow scrubbing type washed-out sand body, weld cone screen plate opposing upper and lower and trapezoidal sieve plate respectively, trapezoidal sieve plate is up big and down small funnel structure, and cone screen plate is conical; Trapezoidal sieve plate and cone screen plate are pressed into muscle silk by stainless steel wire through welding sizing and enclose silk composition, its surface spreads all over the gap being less than 0.5mm, cone screen plate is welded in the cylindrical shell of detachable sieve plate cross-flow scrubbing type washed-out sand body by being with the retainer ring of lacing wire, and the end circular diameter of cone screen plate is less than the width suitable for reading of trapezoidal sieve plate thus realizes the whereabouts of sand filtering material; Ring-type micropore aeration pipe is fixed with in the cylindrical shell bottom of detachable sieve plate cross-flow scrubbing type washed-out sand body;
The water distributor of water dispensing apparatus is welded by the distributing main of some intersections intercommunication and forms in umbrella, vertical several water distributions of welded and installed sieve cap on every root distributing main, distributing main is welded on tank body by fixing angle steel, is positioned at the cone place suitable for reading of draining sand removing hole; Water distribution sieve cap is welded together by base tube, screen casing and hoop to form, and at hoop upper weld arc plate against pressure, base tube has some apopores, screen casing is also pressed into muscle silk by stainless steel wire through welding sizing and encloses silk and form, its surface spread all over be less than 0.5mm pipe between gap, between described pipe, gap is horizontal direction; One is drawn to the water distribution ascending pipe outside tank body by the central authorities of described water distributor;
Lead triangular steel plate that sand device is 20 ° by multiple upper angle to be stitched together the polygonal pyramid formed, on it, cone angle is close to immediately below described water dispensing apparatus, adopts reinforcement welding to fix between the distributing main with described water dispensing apparatus;
Tiny flocculation generating means is made up of the steel pipe that the ejector be connected, flocculation main and many circular arcs are with holes, the lower surface of steel pipe is covered with tiny micropore, the outer wrap gap of steel pipe is less than the flocculation screen casing of 0.5mm simultaneously, flocculation screen casing is also pressed into muscle silk by stainless steel wire through welding sizing and encloses silk and form, its surface spread all over be less than 0.5mm pipe between gap; Ejector has ejector flange, jet import, ejector housing and ejector outlet, and described ejector is vertically connected between flocculation main and flocculant inlet tube; Tiny flocculation generating means is fixed on the top of water dispensing apparatus.
The present invention has following beneficial effect: the tiny flocculation generator of this kind of continuous sand filtering device of tiny flocculation is arranged on filter bed middle and lower part, effectively can improve the particle diameter volume of suspended impurity in sewage, the flocculation for the treatment of sewage, sedimentation, absorption, interception all can be able to be realized in same container, the sand filtering material cyclic regeneration device of structure, sand filtering material regeneration can be changed, improve sand filtering material cleaning and regeneration effect, realize sand filtering material absorption, interception impurity completes with cleaning and regeneration two processes simultaneously, the designs such as unique sand extraction tube can the continuous continual lifting by the sand filtering material polluted during sewage water filtration, cleaning, the washed-out sand of sieve plate cross-flow scrubbing type is with the co-design of ring-type micropore aerating pipe, make sand filtering material in dropping process, under the double action of current and micro air bubble, wash away filter material surface and adhere to sump oil, sump oil is avoided to adhere to sand filtering material surface, affect the deoiling effect of filter.In addition, tiny flocculation technology is with the synergy of sand filtering device, on the basis of regeneration effect greatly ensureing the inner sand filtering material of filter, increase the particle diameter of suspended particulate in sewage, make the impurity of fine particle in sewage more easily by absorption interception, and then improve the water quality index of filtering water outlet.This device can when not changing conventional sewage treatment process, improve the removal efficiency of sewage treatment process, significantly improve the height that suspension content is high, viscosity is large and contain the removal efficiency of gathering oilfield sewage, the oily waste water treatment comparatively large for viscosity, pollutant component content is more, contrast routine filtration device has significant advantage.
Accompanying drawing illustrates:
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is the plan structure schematic diagram of water dispensing apparatus of the present invention.
Fig. 3 is the structural representation of water distribution of the present invention sieve cap and arc plate against pressure.
Fig. 4 is the plan structure schematic diagram of tiny flocculation generating means of the present invention.
Fig. 5 is the structural representation of ejector of the present invention.
Fig. 6 is side view of leading sand device of the present invention.
Fig. 7 is top view of leading sand device of the present invention.
Fig. 8 is the structural representation of labyrinth of the present invention sand extraction tube.
Fig. 9 is the structural representation of double-layer circular solid-liquid separation tank of the present invention.
Figure 10 is the structural representation of booster type stirring dynamic washed-out sand body of the present invention.
Figure 11 is the cross-sectional view of stationary ring in booster type stirring dynamic washed-out sand body of the present invention.
Figure 12 is the plan structure schematic diagram of stationary ring in booster type stirring dynamic washed-out sand body of the present invention.
Figure 13 is the cross-sectional view of rotating ring in booster type stirring dynamic washed-out sand body of the present invention.
Figure 14 is the plan structure schematic diagram of rotating ring in booster type stirring dynamic washed-out sand body of the present invention.
Figure 15 is the structural representation of booster type stirrer paddle in booster type stirring dynamic washed-out sand body of the present invention.
Figure 16 is the structural representation of brasses axle sleeve in booster type stirring dynamic washed-out sand body of the present invention.
Figure 17 is the overall structure schematic diagram of detachable sieve plate cross-flow scrubbing type washed-out sand body of the present invention.
Figure 18 is the structural representation of the trapezoidal sieve plate in detachable sieve plate cross-flow scrubbing type washed-out sand body of the present invention.
Figure 19 is the structural representation of the cone screen plate in detachable sieve plate cross-flow scrubbing type washed-out sand body of the present invention.
Detailed description of the invention:
Below in conjunction with accompanying drawing, the invention will be further described:
By shown in Fig. 1 to Figure 17, this kind of tiny flocculation continuous sand filter, there is base plate 1 and tank body 2, manhole 17 is had at the top of tank body 2, side manhole 25 is had in the stage casing of tank body 2, the top side wall of tank body 2 have band location-plate filter after delivery port 14, have the draining sand removing hole 3 of cone shape at the skirt internal fixtion of tank body 2, these are all the structures of existing filter.In addition, the technical program makes improvements part and is: described tiny flocculation continuous sand filter also comprises water dispensing apparatus 6, leads sand device 5, tiny flocculation generating means 8 and filter sand cyclic regeneration device four part-structure.
Wherein, described filter sand cyclic regeneration device is made up of after connecting two, left and right labyrinth sand extraction tube 9, two, left and right double-layer circular solid-liquid separation tank 19, two, left and right booster type stirring dynamic washed-out sand body 15 and two, left and right detachable sieve plate cross-flow scrubbing type washed-out sand body 23.Labyrinth sand extraction tube 9 is superposed by the hollow structure 42 of several hexagon lantern-shapeds and forms, present an inverted Y-shaped shape, one of them oblique branch is positioned at draining sand removing hole 3, and connect compressed air inlet port 4, another vertical branch connects de-plugging flange 41 as de-plugging sediment outflow outlet 26 in bottom, central authorities insert a screw rod 43 for de-plugging, and screw rod 43 is the through top to labyrinth sand extraction tube 9 always, connects the spacing ring 22 of a level on the top of screw rod 43.
Double-layer circular solid-liquid separation tank 19 is made after being welded by outer steel drum 45 and internal layer steel drum 46, bottom its ectomesoderm steel drum 45 inwall with bottom internal layer steel drum 46 outer wall by Plate Welding looping passage together, the outer rim of described circular passage stretches out and to be formed integrally with upper adpting flange 48.The sidewall of internal layer steel drum 46 has rhombus delivery port 18, the sidewall of internal layer steel drum 46 is installed the limiting plate 47 that can limit described rhombus delivery port area of passage; The circular passage of two the double-layer circular solid-liquid separation tanks 19 in left and right is connected by blow-off pipe 44, and described blow-off pipe is connected with the sewage draining exit 13 of drawing outside tank body 2.
The booster type stirring dynamic washed-out sand body 15 of tubular is arranged on the centre of described double-layer circular solid-liquid separation tank internal layer steel drum 46, the vertical bottom of booster type stirring dynamic washed-out sand body 15 is sand-falling port 55, and the cylinder STH 54 of booster type stirring dynamic washed-out sand body 15 is connected by the upper flanges of bend pipe flange with described labyrinth sand extraction tube; Brasses axle sleeve 52 is fixed in the cylindrical shell upper end of booster type stirring dynamic washed-out sand body 15, and shaft 53 is penetrated by brasses axle sleeve 52, and booster type stirrer paddle 51 is installed at the middle part of shaft 53, connects rotating ring 50 bottom shaft 52, and the top of shaft 53 connects pressure cap 16.Described rotating ring can be driven by shaft 53 and move in a circle; Stationary ring 49 is fixed on the top of sand-falling port 55, stationary ring 49 has identical central axis with described rotating ring, the stationary ring be positioned on same circumference stationary ring 49 having some apertures different crosses sand hole 21, described rotating ring has a corresponding rotating ring and cross sand hole 20, to realize when the sand hole excessively on described rotating ring is identical with the mistake sand hole aperture on described stationary ring, namely sand filtering material falls via sand-falling port 55; The tapping of cylinder STH 54 is positioned at the top of booster type stirrer paddle 51.
The cylindrical shell of detachable sieve plate cross-flow scrubbing type washed-out sand body 23 is connected by the inner chamber of washed-out sand body flange 57 with double-layer circular solid-liquid separation tank internal layer steel drum 46; In the cylindrical shell of detachable sieve plate cross-flow scrubbing type washed-out sand body 23, weld cone screen plate 7 opposing upper and lower and trapezoidal sieve plate 56, cone screen plate and a trapezoidal sieve plate respectively form one group of sand body and fall unit 24.Trapezoidal sieve plate is up big and down small funnel structure, and cone screen plate is conical; Trapezoidal sieve plate and cone screen plate are pressed into muscle silk by stainless steel wire through welding sizing and enclose silk composition, its surface spreads all over the gap being less than 0.5mm, cone screen plate is welded in the cylindrical shell of detachable sieve plate cross-flow scrubbing type washed-out sand body by being with the retainer ring of lacing wire, and the end circular diameter of cone screen plate is less than the width suitable for reading of trapezoidal sieve plate thus realizes the whereabouts of sand filtering material; Be fixed with ring-type micropore aeration pipe 58 in the cylindrical shell bottom of detachable sieve plate cross-flow scrubbing type washed-out sand body, the bottom of micropore aeration pipe connects aeration tube entrance 10.
The water distributor of water dispensing apparatus 6 is welded by the distributing main 27 of some intersections intercommunication and forms in umbrella, vertical several water distributions of welded and installed sieve cap 29 on every root distributing main, distributing main is welded on tank body by fixing angle steel 28, is positioned at the cone place suitable for reading of draining sand removing hole 3; Water distribution sieve cap 29 is welded together by base tube 30, screen casing 31 and hoop 32 to form, and at hoop 32 upper weld arc plate 33 against pressure, base tube has some apopores 59, screen casing 31 is also pressed into muscle silk by stainless steel wire through welding sizing and encloses silk and form, its surface spread all over be less than 0.5mm pipe between gap, between described pipe, gap is horizontal direction; One is drawn to the water distribution ascending pipe 12 outside tank body by the central authorities of described water distributor.
Lead triangular steel plate that sand device 5 is 20 ° by multiple upper angle to be stitched together the polygonal pyramid formed, on it, cone angle is close to immediately below described water dispensing apparatus, adopts reinforcement welding to fix between the distributing main 27 with described water dispensing apparatus.
Tiny flocculation generating means 8 is made up of the steel pipe 36 that the ejector 37 be connected, flocculation main 34 and many circular arcs are with holes, the lower surface of steel pipe 36 is covered with tiny micropore, the outer wrap gap of steel pipe is less than the flocculation screen casing 35 of 0.5mm simultaneously, flocculation screen casing is also pressed into muscle silk by stainless steel wire through welding sizing and encloses silk and form, its surface spread all over be less than 0.5mm pipe between gap; Ejector 37 has ejector flange 38, jet import 39, ejector housing 40 and ejector outlet, and described ejector is vertically connected between flocculation main 34 and flocculant inlet tube 11; Tiny flocculation generating means 8 is fixed on the top of water dispensing apparatus 6.
Below in conjunction with each accompanying drawing, provide and be described in further detail:
In Fig. 2, the water distribution sieve cap of water dispensing apparatus is welded on distributing main, and distributing main is welded on tank body by fixing angle steel.Water distribution sieve cap is welded together by base tube, screen casing, hoop, and at hoop upper weld arc plate against pressure.The design of vertical water distribution sieve cap; between its screen casing, gap is horizontal direction; solve the design of conventional levels screen casing easily by the problem blocked in filtrate dropping process; arc pressure guard is installed on top simultaneously; prevent from water distribution from sieving cap to be out of shape under the sand filtering material weight that weight is larger; play the effect of protection water distribution sieve cap, arcuation design simultaneously also can not cause sand filtering material to pile up.Under this kind of structure, water dispensing apparatus sieves cap by water distributor and water distribution and forms, and water distributor is umbrella distribution, and install 5-8 water distribution sieve cap above every root water distributor, this device utilizes slight drag water distribution characteristic, ensures uniform water distribution.Simultaneously above each water distribution sieve cap, design arcuation baffle, its Main Function is to protect water distribution sieve cap not to be out of shape by under the larger sand filtering material weight of weight.The design of vertical water distribution sieve cap in addition, ensureing even water distribution, crossing on the little basis of water resistance, also solve the problem that its screen pipe opening of water distribution structure of horizontal screen casing design is easily blocked, stopped due to the blocking of water distribution screen pipe opening, cause uneven and that water resistance the is large excessively persistent ailment of water distribution.
In Fig. 4, tiny flocculation generating means is made up of the steel pipe that ejector, main and many circular arcs are with holes.This design utilizes the rapid mixing effect of ejector, improves medicament mixed effect and can shorten the medicament reaction time, increases medicament ejector lift simultaneously.Lower surface steel pipe with holes is that medicament is dispersed to filter bed overall cross sectional area along uniform pore diameter, and steel pipe outer wrap gap with holes is less than the screen casing of 0.5mm simultaneously, plays the protection tiny aperture of steel pipe not by effect that sand filtering material blocks.Under this kind of structure, the steel pipe that tiny flocculation generating means is covered with tiny micropore by an ejector and Duo Gen lower surface forms.The Main Function of ejector is embodied in and improves medicament mixed effect, and medicament is mixed more evenly fast.Steel pipe outer wrap gap is less than the wedge shape filter screen of 0.5mm, and this generator to be arranged on above water dispensing apparatus lower floor position in casting bed.Namely after sewage is via water dispensing apparatus uniform water distribution, first with the flocculation liquid contact that tiny flocculation generating means flows out, in sewage, the granule foreign of fine particle size is under the bridge linking effect of flocculant, the micro-floccule that rapid generation volume is larger, suspended particulate in the sustainable sticky sewage of this micro-floccule, treat this micro-floccule volume increase gradually until by sand filtering material absorption interception, be finally carried in filtrate indirect regeneration with sand filtering material, filtered rear clear water rinse after with outside sewer pouring vessel.The design of this tiny flocculation generating means, significantly improve the suspended substance removal efficiency of conventional continuous sand filter, especially for the disposing polluted water in oil that fine particle size content is higher, suspended particulate in sewage can be made can to complete flocculation, sedimentation, absorption, intercept process in casting bed inside, there is irreplaceable effect.
In Fig. 5, ejector is exported by flange, jet import, ejector housing and ejector and forms.
Leading sand device in Fig. 6, Fig. 7 is the polygonal pyramid be welded by multiple triangular steel plate, this cone has the effect that sand filtering material falls to leading, make sand filtering material along cone surface even drop down, designed by the corner angle of polygonal pyramid, make, in sand filtering material sinking watching, the lateral shift that direction is larger can not be produced, and then ensure overall casting bed even drop down, certain region filtrate is there will not be to sink too fast or excessively slow, to ensure constant clean-up performance and the filtering efficiency of overall casting bed.During concrete enforcement, lead triangular steel plate that sand device is 20 ° by multiple upper angle and to be stitched together the polygonal pyramid formed, upper cone angle is close to immediately below water dispensing apparatus, 300mm bottom lower cone angle distance sand filter.
In Fig. 8, labyrinth sand extraction tube is superposed by multiple hexagonal structure and forms, and is used as the outlet of de-plugging sediment outflow at bottom adpting flange, if there is the situation of sand filtering material blocking, dismantles the outlet of upper and lower two ends, is dredged by plug-removing device.The inwall ripple of this sand extraction tube increases the turbulence effects that fluid moves therein, also the sand filtering material of pollution can be made in sand extraction tube to have more touch opportunity with tube wall, in this strong turbulence, collision, rub, wash away under, improve the desorption effect polluting sand filtering material surface contaminant.The inside caliber thickness of whole sand extraction tube is uneven, and sand extraction tube lower end, labyrinth is arranged on casting bed layer bottommost, and upper end outlet is positioned at above the funneling solid-liquid separation tank internal layer sidewall of double-layer circular.The design principle of labyrinth sand extraction tube is, under the prerequisite not changing sand filtering material type of flow in sand extraction tube, increase the turbulence of sand filtering material in sand extraction tube, filtrate is collided each other, rub more acutely, to improve the desorption effect of sand filtering material in sand extraction tube of pollution.If plug-removing device mainly considers labyrinth sand extraction tube blockage phenomenon, elbow above plug-removing device can be pulled down, open sand extraction tube flange in the bottom closure plate, move plug-removing device from top to bottom, can the labyrinth sand extraction tube of dredge blockage.
Double-layer circular solid-liquid separation tank in Fig. 9, this separating tank is made up of double-deck steel drum, pass through Plate Welding looping passage together with bottom internal layer outer wall of steel drum bottom its ectomesoderm inner walls of steel drums, this passage interconnects with the diamond shaped openings at internal layer sidewall place, and tapping installs limiting plate moving up and down.Can control separating tank internal layer sewage level by limiting plate, in the outer sidewall of annular channel, below connects blowdown pipeline, and it is outer to device for recycling sewage place that blowdown pipeline directly stretches out tank.The Main Function of this solid-liquid separation tank holds the pollution sand filtering material and part addle that are elevated by compressed air, by under the double action of gravity fall and stirring, completes the initial gross separation of sand, water and pollutant.
Booster type stirring dynamic sand-washing device in Figure 10, this device entirety is the design of round cartridge type, be arranged on solid-liquid separation tank internal layer centre, its urceolus STH connects with sand extraction tube upper end, labyrinth, upper end is brasses axle sleeve, shaft is penetrated by axle sleeve, and booster type stirrer paddle is installed at the middle part of shaft, and shaft bottom design dynamically leaks husky mouth.The sand filtering material elevated via compressed air and sewage, under compressed-air actuated effect, continuous impact booster type stirrer paddle, under the multiples impacts effect of gas, water, sand, stirrer paddle can slow circumvolve, and stirrer paddle rotates has two aspect effects, first modifier flow field form, improve the turbulence intensity of sewage current, increase current to the souring polluting filter material surface; It two is spread out by the sand filtering material of pollution, is conducive to the cleaning and regeneration of filtrate; Sand filtering material through dispersed with stirring slowly sinks down into and dynamically leaks husky mouth place, this dynamically leaks husky mouth and is made up of rotating ring and stationary ring two parts, rotating ring can be driven by shaft and move in a circle, when the aperture on rotating ring surface overlaps with different large small-bore, stationary ring surface, namely sand filtering material falls to sieve plate sand-washing device.By the change of rotating ring and stationary ring coincidence aperture passage, can ensure that sand filtering material evenly slowly falls, avoid a large amount of filtrate subsidence velocities too fast and problem that the sand-washing device cleaning performance that produces thoroughly even does not block.Figure 11,12 is the static-ring structure figure dynamically leaked in husky mouth structure.This structure is circular design, and surface has perforate not of uniform size.Figure 13,14 is the movable ring structure figure dynamically leaked in husky mouth structure.This anatomical connectivity is in shaft lower end, and surface has macropore, and this aperture is identical with the centre-to-centre spacing of the surperficial perforate of stationary ring with shaft centre-to-centre spacing, and two rings superpose connection up and down.Figure 15 is the structure chart of booster type stirrer paddle.There is tilting at this blade edge, tilts angle and is about 45 °, and during installation, tilting direction is downward.
Figure 16 is the brasses axle sleeve part on booster type stirring dynamic sand-washing device top. this structure centre is penetrating circular configuration, and in the middle part of cylinder and bottom design O type ring recess, on installation sleeve, O type circle realizes sealing.Aperture each one is opened on top, and mainly conveniently maintenance dismounting uses.The structure of shaft, at middle part and bottom design keyway, conveniently installs booster type stirrer paddle and rotating ring.
Under this kind of structure, booster type stirring dynamic sand-washing device is positioned at the inside of solid-liquid separation tank, is made up of shaft, booster type stirrer paddle, the dynamically husky mouth of leakage.Be connected and fixed with the upper end of separating tank internal layer steel drum and seal above this device, booster type stirrer paddle is installed in the middle and lower part of shaft, and device envisaged underneath dynamically leaks husky mouth, and the husky mouth of this leakage is made up of rotating ring and stationary ring, bottom the funnel place being positioned at separating tank lower end.During operation, the sand filtering material of pollution is with part of contaminated water under compressed-air actuated effect, and be promoted to exit above the sand extraction tube of labyrinth and inject directly to booster type stirrer paddle place, this stirrer paddle is setting in motion under the jet impact effect of gas, water, sand.After stirring running, change flow shape in separating tank on the one hand, improve current to the souring polluting filter sand, pollution filter sand is disperseed gradually simultaneously, be more conducive to filter sand cleaning; Dynamically leak husky mouth on the other hand under the drive of shaft, the rotating ring dynamically leaking husky mouth starts to rotate, and makes the filter sand after stirring and washing fall into detachable sieve plate scrubbing type sand-washing device along dynamically leaking husky mouth rotating ring with the passage between stationary ring.This dynamically leaks side, the rotating ring surface wide-bore of husky mouth, stationary ring surface middle part opens circle aperture not of uniform size, Liang Huankong center is to distance distance of center circle from identical, the husky mouth of dynamic leakage borrows rotating ring with the change of aperture passage between stationary ring, so as to the uniform water distribution of dispersed pollution sand filtering material and washed-out sand sewage.Make to pollute sand filtering material and obtain cleaning and regeneration further.
In Figure 17, detachable sieve plate cross-flow scrubbing type sand-washing device internal layer welds trapezoidal and cone screen plate structure opposing upper and lower respectively, and trapezium structure is up big and down small funnel structure, and cone screen plate structure is conical design.When sand filtering material fall to sand-washing device inner time, first through taper loose sand structure disperses to taper surrounding, continuing to fall through trapezoidal funnel structure.This process reciprocation cycle successively, in sand filtering material dropping process via sieve plate composition passage time, due to being uneven of floor lever of sieve tray, effect is washed in formation by rubbing with the hands, by the sand filtering material fallen by the clear water continuous erosion below sieve plate, and sand filtering material tortuous back and forth whereabouts in sieve plate passage, form relative cross flow effects with the current risen.And this sand-washing device bottom is designed with ring-type micropore aeration pipe, this aeration tube is below in sand-washing device inwall, in sand filtering material dropping process, uninterrupted generation micro air bubble, the sump oil that sand filtering material desorption is got off, impurity are easier in the uphill process of bubble, be carried in solid-liquid separation tank, flow out through limiting plate, discharge eventually through blowdown pipeline.
Figure 18 is the trapezoidal sieve plate funnel structure figure detachably dismantled in sieve plate cross-flow scrubbing type sand-washing device, this structure entirety is made up of sieve plate, wherein the bar seam of sieve plate is horizontal direction, during installation, the large part of opening up, the little place of opening is in below, its mentality of designing make use of the characteristic that water only sand crossed by sieve plate, the existence of floor lever of sieve tray bar seam simultaneously, be conducive to being formed when filter sand falls washing effect by rubbing with the hands, the desorption effect of sand filtering material can be improved, the unblocked of current hinders simultaneously, fall to forming cross-flow form with filter sand, further enhance the cleaning and regeneration effect of filtrate.
Figure 19 is the cone screen plate structure chart in detachable sieve plate cross-flow scrubbing type sand-washing device.This structure entirety makes cone-shaped structure by sieve plate, its objective is the filter sand that will fall in sieve plate cross-flow scrubbing type sand-washing device, and dispersed to pyramidal structure surrounding, what utilize sieve plate bar to stitch washes effect by rubbing with the hands simultaneously, increases the desorption efficiency of filter sand.
Fig. 1 is the continuous sand filtering device overall structure of tiny flocculation, sewage is entered to bottom filter bed by water dispensing apparatus and slowly flows through filter bed from the bottom to top, under the effect of filter bed middle and lower part tiny flocculation generating means, in sewage the mutual adsorption bridging of fine particle impurity link together by sand filtering material absorption retain, the filter sand of stuck foreign matter from top to bottom slowly sinks, filter sand circular regeneration process is by device bottom, by sand extraction tube lower end, labyrinth, import department enters, under compressed-air actuated effect, in the sand extraction tube of labyrinth, do turbulent motion and constantly rise, finally rise in the internal layer of booster type stirring dynamic sand-washing device, complete a cleaning and regeneration in the sand extraction tube of labyrinth.Enter filter sand in booster type stirring dynamic sand-washing device and complete secondary cleaning under the double action of gravity and stirring, slowly be settled down in detachable sieve plate cross-flow scrubbing type sand-washing device via dynamically leaking husky mouth, cross-flow passage washed by rubbing with the hands by sieve plate in detachable sieve plate cross-flow scrubbing type sand-washing device, current scour, sieve plate wash by rubbing with the hands and micro-pore aeration multiple action under, complete the thorough cleaning of filter sand, until fall after rise to casting bed surface.By the detachable sieve plate scrubbing type sand-washing device of Flange joint at double-layer circular Separation of Solid and Liquid trench bottom, it is the final stage polluting sand filtering material cleaning and regeneration.The cross-flow scrubbing type sand filtering material passage of the trapezoidal sieve plate from top to bottom designed respectively in this sand-washing device and triangle sieve plate composition, sieve plate be by stainless steel wire through sizing suppress and fix weld parts, it is primarily of muscle silk and enclose silk composition, and its surface spreads all over the gap being less than 0.5mm.Namely sand filtering material can only along floor lever of sieve tray landing, and washed-out sand clear water passes through by the gap of floor lever of sieve tray, reach the object of scour without sediment motion filter material surface, and filter sand is along in floor lever of sieve tray dropping process, because floor lever of sieve tray is by the rugged washboard plank frame enclosing silk and form, filtrate is reached in dropping process and washes effect by rubbing with the hands.Below welding ring-type micropore aeration pipe in this sieve plate cross-flow scrubbing type passage in addition, by the Float upward function of micro air bubble, improve the removal efficiency of washed-out sand Oil in Sewage Water pearl, utilize gas simultaneously, water combines flushing filtrate, also can further improve the cleaning and regeneration effect of sand filtering material.The below of whole sand-washing device is arranged on certain altitude place above casting bed top layer, the structural design of this sieve plate cross-flow scrubbing type sand-washing device, effectively extend the motion path of sand filtering material in sand-washing device, the motion path in script two-dimensional space is made to become three-dimensional motion path, the motion in sand-washing device of sand filtering material and pollutant is more tortuous, the turbulent motion that liquid rises in sand-washing device is more strong, and the collision of filtering material particle is more violent, and then improves the cleaning and regeneration effect of sand filtering material.
Claims (1)
1. a tiny flocculation continuous sand filter, there is base plate (1) and tank body (2), upper manhole (17) is had at the top of tank body (2), side manhole (25) is had in the stage casing of tank body (2), the top side wall of tank body (2) have band location-plate filter after delivery port (14), there is the draining sand removing hole (3) of cone shape at the skirt internal fixtion of tank body (2), it is characterized in that: described tiny flocculation continuous sand filter also comprises water dispensing apparatus (6), leads sand device (5), tiny flocculation generating means (8) and filter sand cyclic regeneration device four part-structure;
Wherein, described filter sand cyclic regeneration device is formed after two, left and right labyrinth sand extraction tube (9), two, left and right double-layer circular solid-liquid separation tank (19), two, left and right booster type stirring dynamic washed-out sand body (15) and two, left and right detachable sieve plate cross-flow scrubbing type washed-out sand body (23) connect; Labyrinth sand extraction tube (9) is superposed by the hollow structure (42) of several hexagon lantern-shapeds and forms, present an inverted Y-shaped shape, one of them oblique branch is positioned at draining sand removing hole (3), and connect compressed air inlet port (4), another vertical branch connects de-plugging flange (41) as de-plugging sediment outflow outlet (26) in bottom, central authorities insert a screw rod for de-plugging (43), screw rod (43) is the through top to labyrinth sand extraction tube (9) always, connects the spacing ring (22) of a level on the top of screw rod (43);
Double-layer circular solid-liquid separation tank (19) is made after being welded by outer steel drum (45) and internal layer steel drum (46), Plate Welding looping passage is together passed through with bottom internal layer steel drum (46) outer wall bottom its ectomesoderm steel drum (45) inwall, the sidewall of internal layer steel drum (46) has the apopore of rhombus, the sidewall of internal layer steel drum (46) is installed the limiting plate (47) that can limit described apopore area of passage; The circular passage of two the double-layer circular solid-liquid separation tanks (19) in left and right is connected by blow-off pipe (44), and described blow-off pipe is connected with extraction tank body (2) sewage draining exit outward (13);
Booster type stirring dynamic washed-out sand body (15) of tubular is arranged on the centre of described double-layer circular solid-liquid separation tank internal layer steel drum (46), the vertical bottom of booster type stirring dynamic washed-out sand body (15) is sand-falling port (55), and the cylinder STH (54) of booster type stirring dynamic washed-out sand body (15) is connected by the upper flanges of bend pipe flange with described labyrinth sand extraction tube; Brasses axle sleeve (52) is fixed in the cylindrical shell upper end of booster type stirring dynamic washed-out sand body (15), shaft (53) is penetrated by axle sleeve (52), booster type stirrer paddle (51) is installed at the middle part of shaft (53), shaft (52) bottom connects rotating ring (50), and described rotating ring can be driven by shaft (53) and move in a circle; Stationary ring (49) is fixed on the top of sand-falling port (55), stationary ring (49) has identical central axis with described rotating ring, stationary ring (49) has the sand hole be excessively positioned on same circumference that some apertures are different, described rotating ring has one and corresponding cross sand hole, to realize when the sand hole excessively on described rotating ring is identical with the mistake sand hole aperture on described stationary ring, namely sand filtering material falls via sand-falling port (55); The tapping of cylinder STH (54) is positioned at the top of booster type stirrer paddle (51);
The cylindrical shell of detachable sieve plate cross-flow scrubbing type washed-out sand body (23) is connected by the inner chamber of washed-out sand body flange (57) with double-layer circular solid-liquid separation tank internal layer steel drum (46); In the cylindrical shell of detachable sieve plate cross-flow scrubbing type washed-out sand body (23), weld cone screen plate opposing upper and lower (7) and trapezoidal sieve plate (56) respectively, trapezoidal sieve plate (56) is up big and down small funnel structure, and cone screen plate (7) is conical; Trapezoidal sieve plate (56) and cone screen plate (7) are pressed into muscle silk by stainless steel wire through welding sizing and enclose silk composition, its surface spreads all over the gap being less than 0.5mm, cone screen plate (55) is welded in the cylindrical shell of detachable sieve plate cross-flow scrubbing type washed-out sand body (23) by being with the retainer ring of lacing wire, and the end circular diameter of cone screen plate (7) is less than the width suitable for reading of trapezoidal sieve plate (56) thus realizes the whereabouts of sand filtering material; Be fixed with ring-type micropore aeration pipe (58) in the cylindrical shell bottom of detachable sieve plate cross-flow scrubbing type washed-out sand body (23), ring-type micropore aeration pipe (58) be connected to aeration tube entrance (10);
The water distributor of water dispensing apparatus (6) is welded by the distributing main (27) of some intersections intercommunication and forms in umbrella, upper several water distributions of vertical welded and installed sieve cap (29) of every root distributing main (27), distributing main (27) is welded on tank body (2) by fixing angle steel (28), is positioned at the cone place suitable for reading of draining sand removing hole (3); Water distribution sieve cap (29) is welded together by base tube (30), screen casing (31) and hoop (32) to form, and hoop (32) upper weld arc plate (33) against pressure, base tube (30) has some apopores (59), screen casing (31) is also pressed into muscle silk by stainless steel wire through welding sizing and encloses silk and form, its surface spread all over be less than 0.5mm pipe between gap, between described pipe, gap is horizontal direction; One is drawn to the water distribution ascending pipe (12) outside tank body by the central authorities of described water distributor;
Lead triangular steel plate that sand device (5) is 20 ° by multiple upper angle to be stitched together the polygonal pyramid formed, on it, cone angle is close to immediately below described water dispensing apparatus, adopts reinforcement welding to fix between the distributing main (27) with described water dispensing apparatus;
Tiny flocculation generating means (8) is made up of the steel pipe (36) that the ejector be connected (37), flocculation main (34) and many circular arcs are with holes, the lower surface of steel pipe (36) is covered with tiny micropore, the outer wrap gap of steel pipe (36) is less than the flocculation screen casing (35) of 0.5mm simultaneously, flocculation screen casing (35) is also pressed into muscle silk by stainless steel wire through welding sizing and encloses silk and form, its surface spread all over be less than 0.5mm pipe between gap; Ejector (37) has ejector flange (38), jet import (39), ejector housing (40) and ejector outlet, and described ejector is vertically connected between flocculation main (34) and flocculant inlet tube (11);
Tiny flocculation generating means (8) is fixed on the top of water dispensing apparatus (6).
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Cited By (10)
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| CN106348496A (en) * | 2016-11-15 | 2017-01-25 | 济南山源电力设备有限公司 | Integrated water purifier |
| CN107252729A (en) * | 2017-08-16 | 2017-10-17 | 南通振强机械制造有限公司 | One kind circulation sand-washing device |
| CN107282289A (en) * | 2017-08-16 | 2017-10-24 | 南通普瑞特机械有限公司 | A kind of efficient sandblasting separation cleaning device |
| CN107321490A (en) * | 2017-08-16 | 2017-11-07 | 南通振强机械制造有限公司 | A kind of washed-out sand separator |
| CN107335276A (en) * | 2016-05-03 | 2017-11-10 | 博凯勒机械工程股份有限公司 | Suspension is divided into concentrate and the method and apparatus of filtrate by transverse stream filtering |
| CN107413512A (en) * | 2017-08-16 | 2017-12-01 | 南通振强机械制造有限公司 | A kind of high intensity sand-washing device |
| CN107442263A (en) * | 2017-08-16 | 2017-12-08 | 南通振强机械制造有限公司 | A kind of washed-out sand sand sifter |
| CN107442265A (en) * | 2017-08-16 | 2017-12-08 | 南通普瑞特机械有限公司 | A kind of sandblasting separation cleaning device |
| CN112664154A (en) * | 2020-12-29 | 2021-04-16 | 成都北方石油勘探开发技术有限公司 | Filter and oil well blockage removing method based on filter |
| CN113107437A (en) * | 2021-04-19 | 2021-07-13 | 天津大学 | Multistage sand prevention method for exploiting argillaceous silt natural gas hydrate reservoir |
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| CN107442263A (en) * | 2017-08-16 | 2017-12-08 | 南通振强机械制造有限公司 | A kind of washed-out sand sand sifter |
| CN107442265A (en) * | 2017-08-16 | 2017-12-08 | 南通普瑞特机械有限公司 | A kind of sandblasting separation cleaning device |
| CN112664154A (en) * | 2020-12-29 | 2021-04-16 | 成都北方石油勘探开发技术有限公司 | Filter and oil well blockage removing method based on filter |
| CN113107437A (en) * | 2021-04-19 | 2021-07-13 | 天津大学 | Multistage sand prevention method for exploiting argillaceous silt natural gas hydrate reservoir |
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Application publication date: 20150624 Assignee: Daqing Yurun Environmental Protection Technology Co.,Ltd. Assignor: Daqing Jusanyuan Environmental Protection Technology Development Co.,Ltd. Contract record no.: X2023980034008 Denomination of invention: Microflocculation continuous sand filter Granted publication date: 20160224 License type: Common License Record date: 20230322 |
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