CN105600993A - Treatment method and device for high-concentration suspended matter waste water - Google Patents
Treatment method and device for high-concentration suspended matter waste water Download PDFInfo
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- CN105600993A CN105600993A CN201610090998.8A CN201610090998A CN105600993A CN 105600993 A CN105600993 A CN 105600993A CN 201610090998 A CN201610090998 A CN 201610090998A CN 105600993 A CN105600993 A CN 105600993A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a treatment method for high-concentration suspended matter waste water. The treatment method comprises the following steps that 1, a multi-stage hydrocyclone is utilized for separating the waste water containing high-concentration suspended matter to obtain deposition and overflow liquid, and the deposition is recovered; 2, deposited slurry is concentrated, wherein the overflow liquid obtained in the step 1 is guided into a radial-flow sedimentation tank, a flocculating agent is introduced into an accessory adding pipe of the overflow liquid and the radial-flow sedimentation tank in a multi-point adding mode to obtain the deposited slurry and supernatant water, and the supernatant water is recovered; 3, the deposited slurry is dehydrated, wherein the deposited slurry obtained in the step 2 is subjected to filter pressing and drum film secondary extruding dehydrating, meanwhile, air entering and flow penetrating are carried out, and filter residues in a whole filter chamber are purged in a full-flow and high-pressure mode. The invention further discloses a device for using the treatment method for the high-concentration suspended matter waste water. Solid and liquid can be separated fast, the deposited slurry is dehydrated fast, the high-concentration suspended matter waste water can meet the standard or can be recovered for production, the water content of mud cakes is low, and the requirement for clean transportation is met.
Description
Technical field
The present invention relates to big-and-middle-sized Hydraulic and Hydro-Power Engineering sand-stone concrete production system waste dischargeTreatment process, specifically refers to a kind of processing method of high concentration suspended matter waste water, and the present invention also relates toAnd the treating apparatus of this high concentration suspended matter waste water.
Background technology
For ensureing Hydraulic and Hydro-Power Engineering concrete construction quality, sandstone production system often adopts wet methodProduce, rinse materials of man-made sand clay content, wrap up in powder extent control and allow in specification with clear waterIn scope, can produce a large amount of waste water, its total suspended solid concentration (TSS) is generally up to 30～120kg/m3Above, the TSS in large water conservancy hydroelectric engineering sandstone production system generally exceedes120kg/m3, wastewater flow rate can reach hundreds of to thousands of m3More than/h. Therefore, large-scale water conservancy and hydropower workJourney sandstone production system waste water has remarkable spies such as " suspended sediment concentration are high, treatment scale is large "Property. If waste water directly discharges, not only directly affect water quality, ecological environment is had a negative impact,Also can cause that thereby river channel sedimentation reduces flood carrying capacity.
In the process that Hydraulic and Hydro-Power Engineering sandstone is produced, existing waste water treatment process and existence are askedInscribe as follows:
(1) slag blocking dam of tailing pond natural sedimentation: simple, operating cost is low, but need naturalPhysical features, because drain off floodwaters draining and row's problem of oozing exist safety of dam body hidden danger, the not extensive generalization of tool.
(2) use for reference municipal project water-purifying process and adopt preliminary sedimentation tank and sedimentation basin, the row of setting at the bottom of pondWater french drain, two pond alternations, last excavator enters pond dredges, because mud amount is large, Chi TiUse just alluvial soon, clear up and very difficultly finally fall into disuse.
(3) one-level hydrocyclone pretreatment+one or more levels structures precipitation+machineryDehydration equipment.
(4) one-level hydrocyclone pretreatment+integrated high-efficiency effluent treatment plant+machineryDehydration equipment.
Above-mentioned (3), (4) current domestic use are more, and (4) treatment effeciency is high, but entersWater concentration TSS requires lower than 50000mg/L, and Large Sand stone system waste water often exceedes this concentration,And a large amount of dosings, in recycle-water, whether remaining coagulant has impact to still need on concrete quality to testCard. (3) be the technique that the wastewater treatment of current sandstone system generally adopts, but have pretreatmentStone flour yield is little, the easy silting of system, radial flow tank bed mud harden, moisture content of the cake is high, operationThe problem such as have some setbacks. And sandstone wastewater concentration is high, and particle is thin, D50Can be below 10 μ m, orderBefore also do not have effective Separation of Solid and Liquid solution.
Therefore, provide a kind of Separation of Solid and Liquid, high speed dewatering of slurries fast and can make high-density suspendedFloating thing waste water meets that discharged wastewater met the national standard or production reuse, moisture content of the cake are low meets clean transportProcessing method and the device of high concentration suspended matter waste water seem very necessary.
Summary of the invention
Problem to be solved by this invention will provide a kind of Separation of Solid and Liquid fast, mud fast exactlySpeed dehydration and can make high concentration suspended matter waste water meet discharged wastewater met the national standard or production reuse, mud cakeProcessing method and the device of the low high concentration suspended matter waste water that meets clean transport of moisture content.
For solving the problems of the technologies described above, the processing of the designed high concentration suspended matter waste water of the present inventionMethod, comprises the steps:
1) utilize multi-stage water power cyclone to separate containing high concentration suspended matter waste water, obtain precipitumAnd overflowing liquid, reclaim gained precipitum;
2) sedimentation mud is concentrated: by step 1) overflowing liquid of gained imports in radical sedimentation basin,Add the auxiliary material adding tube and the described radial-flow that flocculant are passed into described overflowing liquid by multiple spotIn sedimentation basin, obtain sedimentation mud and the upper strata clear water that meets discharge standard;
3) sedimentation slurry dewatering: to step 2) the sedimentation mud of gained carries out press filtration and eardrum twoInferior extrusion dehydration, obtains filter residue, then, and air inlet percolation, the whole filter chamber of full flow high-pressure blowingInterior filter residue, obtains the mud cake after mummification.
Preferably, step 2) in, flocculant is the mixture of PAM or PAM and CaO compositionOr PAM and CaCl2The mixture of composition.
Further, flocculant is that PAM and CaO are by weight forming for 1:10-100Mixture.
Further, flocculant is PAM and CaCl2By weight mixing for 1:10-125 compositionCompound.
Further, powerful dehydration equipment is high-frequency oscillation dewatering screen.
Wherein, PAM is polyacrylamide.
The device that the processing method of high concentration suspended matter waste water is used, comprises that waste water catchmentsCanal, the first collecting-tank, one-level hydrocyclone, the first powerful dehydration equipment, the first sealing-tape machine,The second collecting-tank, secondary hydrocyclone, the second powerful dehydration equipment, the second sealing-tape machine, spokeFlow settling pond, auxiliary material adding tube, high-efficient diaphragm filter press, the outlet of waste water braiding channel andThe import of one collecting-tank is connected, and the outlet of the first collecting-tank is revolved by the first water pump and one-level waterpowerThe input of stream device is connected, the import phase of the output of one-level hydrocyclone and the second collecting-tankConnect, the outlet of the second collecting-tank is the input phase with secondary hydrocyclone by the second water pumpConnect, the output of secondary hydrocyclone is connected with the import of radical sedimentation basin, and radial-flow is heavyThe mud outlet of bottom, pond, shallow lake is the input phase with high-efficient diaphragm filter press by body refuse elevator pumpConnect; One-level hydrocyclone bottom is provided with precipitum outlet, and the first powerful dehydration equipment is placed inThe downside of one-level hydrocyclone, the first sealing-tape machine is placed in the downside of the first powerful dehydration equipment,Secondary hydrocyclone bottom is provided with precipitum outlet, and the second powerful dehydration equipment is placed in secondaryThe downside of hydrocyclone, the second sealing-tape machine is placed in the downside of the second powerful dehydration equipment, auxiliary materialAdding tube is positioned at the upside of radical sedimentation basin, and the output of auxiliary material adding tube is provided with multiple pointsPort.
Preferably, radical sedimentation basin comprises pond body, and the bottom of pond body is provided with discharge gate, pondOn body, be fixed with crane span structure, crane span structure is positioned on a diameter of pond body end face, and the middle part of crane span structure arrangesHave drive unit, the central downside of crane span structure is fixed with the pan feeding well of both ends open, and secondary waterpower is revolvedStream device output be connected with the charging aperture of pan feeding well, the output of auxiliary material adding tube be provided with toFew three points of ports, one of them of the output of auxiliary material adding tube divided the auxiliary of port and pan feeding wellMaterial import is connected, and all the other of the output of an auxiliary material adding tube point port passes into secondary hydrocycloneOutput and the charging aperture of pan feeding well between connecting line in, main shaft is vertically through crane span structureCenter, pan feeding well and scrape acquisition means and be connected, main shaft is connected with drive unit.
Further, the middle part of crane span structure is also provided with lifting device, hydraulic system and PLC intelligenceControl device, main shaft is connected with lifting device, and lifting device is connected with hydraulic system output,Drive unit, lifting device are all connected with the output of PLC intelligent controlling device.
Further, the upper inner of pond body is provided with the downflow weir of annulus flute profile along circumference, overflowsThe corner on stream weir extends to form overflow spoiler along circumferential pond body inner side.
Further, the tangent plane of overflow spoiler and the angle of horizontal plane are 30-60 °, bridgeFrame is welded on Chi Tishang, and pond body end face opening, side are that the face of cylinder, bottom surface are the rounding conical surface,Scrape acquisition means and comprise center superposition and vertically arranged two truss.
Again further, the output of auxiliary material adding tube is provided with first point of port, second point of endMouth and the 3rd point of port, first point of port is connected with the auxiliary material import of pan feeding well, second point of portPass in connecting line with the 3rd point of port.
Advantage of the present invention is mainly reflected in following several respects:
One, the present invention adopts the multistage recovery precipitum of two stages of hydrocyclones technique, precipitumThe rate of recovery reaches more than 45%, and particle diameter is that precipitums more than 16 μ m is realized full recovery substantially, thanThe precipitum rate of recovery of traditional single stage hydrocyclone technique has improved 20%, after greatly having alleviatedContinuous wastewater treatment load;
Its two, the present invention adopt the mixture of PAM or PAM and CaO composition or PAM andCaCl2Composition mixture as flocculant, reasonable mixture ratio, effect of settling is good, particles settling speedDegree is fast;
Its three, the present invention adopts flocculation reaction and radical sedimentation basin synergy to process overflowLiquid, the heavy speed of sedimentation mud particle reaches 0.30mm/s, and bottom sedimentation mud solid content is increased to30%～40%, precipitation concentrated effect is obvious, and stable effluent quality is up to standard;
Its four, the present invention adopts barrier film press filtration and air inlet percolation combined dehydration technology, high-efficient diaphragmPress filter operating cycle cycle stability, at 45min～50min, is processed effect compared with Cabin type of Filter pressRate improves 1 times, and the moisture content of the cake after press filtration is down to below 15% by 20%～28%, meets mudCake is cleared condition, has greatly reduced mud cake stacking and has taken volume;
Its five, new technology of the present invention efficiently solves in the past that the technique precipitum rate of recovery is low, waste waterThe problems such as precipitation concentrated effect is poor, effluent quality compliance rate is low, body refuse easily hardens.
Its six, the present invention after secondary hydrocyclone is processed the overflowing liquid that obtains by tube connectorRoad enters, and flocculant is added in connecting line and pan feeding well by auxiliary material adding tube multiple spot, like this,The overflowing liquid and the flocculant that after secondary hydrocyclone is processed, obtain just can at connecting lineWith abundant mixed flocculation;
Its seven, the present invention scrapes acquisition means and is designed to truss structure, this design has ensured to scrape collection dressThe intensity of putting, is applicable to scrape collection high concentration, the easy silt particle that hardens, there will not be distortion in useEtc. problem;
Its eight, the present invention is scraping mud resistance larger in the situation that, lifting device can pass through main shaftTo scrape acquisition means and promote, prevent the long-time heavy duty work of drive unit, and scrape acquisition means and declinedCheng Zhong, hydraulic means also can provide power, this power with scrape the two of acquisition means self gravitationRecast with under, scrape acquisition means and more easily decline, can solve mud layer viscosity greatly, mud layer hardening etc.Factor hinders the problem that acquisition means declines of scraping;
Its nine, the overflow spoiler that the present invention arranges along downflow weir one week, can prevent from being scraped collectionThe subparticle shale that device end stirs is directly upwards routed up and is entered downflow weir, this shale particleWalking around in the process of overflow spoiler, can on overflow spoiler, settle down, can be not directEnter downflow weir, ensured the quality of overflow water;
Its ten, PLC intelligent controlling device of the present invention to equipment operation carry out real-time intelligent monitoring andControl, according to parameters such as mud layer resistance, radial flow tank water outlet quality, underflow densities, automatic in real timeAdjust equipment running status, can substitute manual operation equipment completely, stopped maloperation to equipmentThe damage causing.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of radical sedimentation basin;
Fig. 3 is the plan structure schematic diagram of Fig. 2.
In figure: waste water braiding channel 1; The first collecting-tank 2; The first water pump 3; One-level hydraulic cycloneDevice 4; The first powerful dehydration equipment 5; The first sealing-tape machine 6; The second water pump 7; Secondary waterpower is revolvedStream device 8; The second powerful dehydration equipment 9; The second sealing-tape machine 10; Radical sedimentation basin 11; MudSlag elevator pump 12; Auxiliary material adding tube 13; High-efficient diaphragm filter press 14; The second collecting-tank 15;Pond body 111; Downflow weir 112; Discharge gate 113; Crane span structure 114; Pan feeding well 115; Main shaft 116;Scrape acquisition means 117; Connecting line 118; First point of port one 191; Second point of port one 192;The 3rd point of port one 193; Drive unit 1110; Lifting device 1111; Hydraulic system 1112;PLC intelligent controlling device 1113; Overflow spoiler 1114.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail, but shouldEmbodiment should not be construed limitation of the present invention, only for example. Simultaneously by explanationAdvantage of the present invention will become more clear and easily understand.
The processing method of high concentration suspended matter waste water, comprises the steps:
1) utilize multi-stage water power cyclone to separate containing high concentration suspended matter waste water, obtain precipitumAnd overflowing liquid, reclaim gained precipitum;
2) sedimentation mud is concentrated: by step 1) overflowing liquid of gained imports in radical sedimentation basin,Add the auxiliary material adding tube and the described radial-flow that flocculant are passed into described overflowing liquid by multiple spotIn sedimentation basin, obtain sedimentation mud and the upper strata clear water that meets discharge standard;
3) sedimentation slurry dewatering: to step 2) the sedimentation mud of gained carries out press filtration and eardrum twoInferior extrusion dehydration, obtains filter residue, then, and air inlet percolation, the whole filter chamber of full flow high-pressure blowingInterior filter residue, obtains the mud cake after mummification.
Preferably, step 2) in, flocculant is the mixture of PAM or PAM and CaO compositionOr PAM and CaCl2The mixture of composition.
Further, flocculant is that PAM and CaO are by weight forming for 1:10-100Mixture.
Further, flocculant is PAM and CaCl2By weight mixing for 1:10-125 compositionCompound.
The device that the processing method of the high concentration suspended matter waste water shown in figure is used, comprises uselessWater braiding channel 1, the first collecting-tank 2, one-level hydrocyclone 4, the first powerful dehydration equipment 5,The first sealing-tape machine 6, the second collecting-tank 15, secondary hydrocyclone 8, the second powerful dehydration are establishedStandby 9, the second sealing-tape machine 10, radical sedimentation basin 11, auxiliary material adding tube 13, high-efficient diaphragm are pressedFilter 14, the outlet of waste water braiding channel 1 is connected with the import of the first collecting-tank 2, and first catchmentsThe outlet in pond 2 is connected with the input of one-level hydrocyclone 4 by the first water pump 3, one-levelThe output of hydrocyclone 4 is connected with the import of the second collecting-tank 15, the second collecting-tank 15Outlet be connected with the input of secondary hydrocyclone 8 by the second water pump 7, secondary waterpowerThe output of cyclone 8 is connected with the import of radical sedimentation basin 11, radical sedimentation basin 11The mud outlet of bottom is the input phase with high-efficient diaphragm filter press 14 by body refuse elevator pump 12Connect; One-level hydrocyclone 4 bottoms are provided with precipitum outlet, the first powerful dehydration equipment 5Be placed in the downside of one-level hydrocyclone 4, the first sealing-tape machine 6 is placed in the first powerful dehydration equipment5 downside, secondary hydrocyclone 8 bottoms are provided with precipitum outlet, the second powerful dehydrationEquipment 9 is placed in the downside of secondary hydrocyclone 8, and the second sealing-tape machine 10 is placed in the second brute forceThe downside of dehydration equipment 9, auxiliary material adding tube 13 is positioned at the upside of radical sedimentation basin 11, auxiliaryThe output of material adding tube 13 is provided with multiple points of ports.
Radical sedimentation basin 11 comprises pond body 111, and the bottom of pond body 111 is provided with discharge gate113, on pond body 111, be fixed with crane span structure 114, crane span structure 114 is positioned at of pond body 111 end facesOn diameter, the middle part of crane span structure 114 is provided with drive unit 1110, the central downside of crane span structure 114Be fixed with the pan feeding well 115 of both ends open, the output of secondary hydrocyclone 8 and pan feeding well115 charging aperture is connected, and the output of auxiliary material adding tube 13 is provided with at least three points of ports,One of them of the output of auxiliary material adding tube 13 divided the auxiliary material import phase of port with pan feeding well 115Even, all the other of the output of auxiliary material adding tube 13 point port passes into secondary hydrocyclone 8In connecting line 118 between the charging aperture of output and pan feeding well 115, main shaft 116 is verticalThrough crane span structure 114 center, pan feeding well 115 and scrape acquisition means 117 and be connected, main shaft 116 andDrive unit 1110 is connected.
The middle part of crane span structure 114 is also provided with lifting device 1111, hydraulic system 1112 and PLCIntelligent controlling device 1113, main shaft 116 is connected with lifting device 1111, lifting device 1111Be connected with the output of hydraulic system 1112, drive unit 1110, lifting device 1111 all withThe output of PLC intelligent controlling device 1113 is connected.
The upper inner of pond body 111 is provided with the downflow weir 112 of annulus flute profile, overflow along circumferenceThe corner on weir 112 extends to form overflow spoiler 1114 along body 111 inner sides, circumferential pond.
The tangent plane of overflow spoiler 1114 and the angle of horizontal plane are 30-60 °, and crane span structure 114 weldsBe connected on pond body 111, pond body 111 end face openings, side are that the face of cylinder, bottom surface are inverted coneFace, scrapes acquisition means 117 and comprises center superposition and vertically arranged two truss.
The output of auxiliary material adding tube 13 is provided with first point of port one 191, second point of port one 192Be connected with the auxiliary material import of pan feeding well 115 with 193, the first points of port ones 191 of the 3rd point of port one,Second point of port one 192 and the 3rd point of port one 193 pass in connecting line 118.
Embodiment 1
The processing method of high concentration suspended matter waste water, comprises the steps:
1) high concentration suspended matter waste water enters the first collecting-tank 2 from waste water braiding channel 1, then passes throughThe first water pump 3 is sent into one-level hydrocyclone 4, and high concentration suspended matter waste water is through one-level waterpowerCyclone 4 obtains precipitum and overflowing liquid after processing, after one-level hydrocyclone 4 is processedThe precipitum obtaining is delivered to the first powerful dehydration equipment 5, and one-level hydrocyclone 4 combines firstCan remove >=0.038mm of powerful dehydration equipment 5 particle, as stone flour reuse, reduces rear end and gives upSlag is processed load, and protects equipment and filter cloth protected from wear, de-through the first powerful dehydration equipment 5Stone flour moisture content after water can be down to 20%, is directly delivered to stock ground by the first sealing-tape machine 6,The overflowing liquid that one-level hydrocyclone 4 obtains after processing is sent into the second collecting-tank 15, then by theTwo water pumps 7 are sent into secondary hydrocyclone 8, and what one-level hydrocyclone 4 obtained after processing overflowsFlow liquid obtains precipitum and overflowing liquid after secondary hydrocyclone 8 is processed, through secondary waterThe precipitum that power cyclone 8 obtains after processing is delivered to the second powerful dehydration equipment 9; Secondary waterpowerCyclone 8 is combined the second can remove >=0.016mm of powerful dehydration equipment 9 particle as stone flourReuse or abandon, is directly delivered to stock ground by the second sealing-tape machine 10;
2) overflowing liquid obtaining after secondary hydrocyclone 8 is processed is by connecting line 118Import radical sedimentation basin 11, the output of auxiliary material adding tube 13 is provided with first point of port1191; Second point of port one 192; 193, the first points of port ones 191 of the 3rd point of port one and pan feedingThe auxiliary material import of the end face of well 115 is connected, second point of port one 192 and the 3rd point of port one 193Pass in connecting line 118, like this, flocculant is added on connection by auxiliary material adding tube 13 multiple spotsIn pipeline 118 and pan feeding well 115, the overflow obtaining after secondary hydrocyclone 8 is processedLiquid and flocculant can fully act on, the overflow obtaining after secondary hydrocyclone 8 is processedFine particle silt particle in liquid flocculates agglomerating under the effect of flocculant, then by pan feeding well 115Enter pond body 111, the downward sedimentation of floc sedimentation, forms sedimentation mud, finally by scraping acquisition means 117Scrape collection, discharged by the discharge gate 113 of pond body 111 bottoms, upper strata clear water is to overflow to overflowThe rear discharge in weir 112;
Scraping mud resistance larger in the situation that, hydraulic system 1112 can drive lifting device 1111To scrape acquisition means 117 by main shaft 116 and promote, prevent the long-time heavy duty of drive unit 1110Work; Scrape in acquisition means 117 decline processes, hydraulic means 1112 also can provide power,This power with scrape under the double action of acquisition means 117 self gravitations, scrape acquisition means 117 easierDecline, like this, the factors such as mud layer viscosity is large, mud layer hardening that can solve hinder scrapes acquisition means 117The problem declining; PLC intelligent controlling device 1113 moves and carries out real-time intelligent monitoring equipmentAnd control, according to parameters such as mud layer resistance, radial flow tank water outlet quality, underflow densities, in real time certainlyThe moving equipment running status of adjusting.
3) to carry out press filtration and eardrum secondary extrusion by high-efficient diaphragm filter press 14 de-for sedimentation mudWater, obtains filter residue, then, air inlet percolation, the filter residue in the whole filter chamber of full flow high-pressure blowing,Obtain the mud cake after mummification.
Wherein flocculant is the mixture that PAM and CaO form for 1:80 by weight.
The secondary hydrocyclone precipitum rate of recovery reaches 48.9%, and the heavy speed of radial-flow sedimentation tank particle reaches0.31mm/s, bottom sedimentation mud solid content is increased to 35%, and precipitation concentrated effect is obvious, goes outWater quality stabilizing is up to standard, and high-efficient diaphragm press filter operating cycle cycle stability is at 45min～50min,Moisture content of the cake after press filtration is 13%, meets and clears condition, has greatly reduced mud cake stacking and has accounted forUse volume.
Embodiment 2
The processing method of high concentration suspended matter waste water is as embodiment 1, wherein flocculant be PAM withCaO is by weight the mixture for 1:15 composition.
The secondary hydrocyclone precipitum rate of recovery reaches 47.8%, and the heavy speed of radial-flow sedimentation tank particle reaches0.33mm/s, bottom sedimentation mud solid content is increased to 37%, and precipitation concentrated effect is obvious, goes outWater quality stabilizing is up to standard, and high-efficient diaphragm press filter operating cycle cycle stability is at 45min～50min,Moisture content of the cake after press filtration is 11%, meets and clears condition, has greatly reduced mud cake stacking and has accounted forUse volume.
Embodiment 3
The processing method of high concentration suspended matter waste water is as embodiment 1, wherein flocculant be PAM withCaO is by weight the mixture for 1:60 composition.
The secondary hydrocyclone precipitum rate of recovery reaches 46.4%, and the heavy speed of radial-flow sedimentation tank particle reaches0.31mm/s, bottom sedimentation mud solid content is increased to 36%, and precipitation concentrated effect is obvious, goes outWater quality stabilizing is up to standard, and high-efficient diaphragm press filter operating cycle cycle stability is at 45min～50min,Moisture content of the cake after press filtration is 14%, meets and clears condition, has greatly reduced mud cake stacking and has accounted forUse volume.
Embodiment 4
The processing method of high concentration suspended matter waste water is as embodiment 1, wherein flocculant be PAM withCaO is by weight the mixture for 1:10 composition.
The secondary hydrocyclone precipitum rate of recovery reaches 45.8%, and the heavy speed of radial-flow sedimentation tank particle reaches0.34mm/s, bottom sedimentation mud solid content is increased to 39%, and precipitation concentrated effect is obvious, goes outWater quality stabilizing is up to standard, and high-efficient diaphragm press filter operating cycle cycle stability is at 45min～50min,Moisture content of the cake after press filtration is 9%, meets and clears condition, has greatly reduced mud cake stacking and has accounted forUse volume.
Embodiment 5
The processing method of high concentration suspended matter waste water is as embodiment 1, wherein flocculant be PAM withCaO is by weight the mixture for 1:100 composition.
The secondary hydrocyclone precipitum rate of recovery reaches 44.2%, and the heavy speed of radial-flow sedimentation tank particle reaches0.30mm/s, bottom sedimentation mud solid content is increased to 30%, and precipitation concentrated effect is obvious, goes outWater quality stabilizing is up to standard, and high-efficient diaphragm press filter operating cycle cycle stability is at 45min～50min,Moisture content of the cake after press filtration is 15%, meets and clears condition, has greatly reduced mud cake stacking and has accounted forUse volume.
Embodiment 6
The processing method of high concentration suspended matter waste water is as embodiment 1, wherein flocculant be PAM withCaCl2By weight the mixture for 1:60 composition.
The secondary hydrocyclone precipitum rate of recovery reaches 45.8%, and the heavy speed of radial-flow sedimentation tank particle reaches0.34mm/s, bottom sedimentation mud solid content is increased to 33%, and precipitation concentrated effect is obvious, goes outWater quality stabilizing is up to standard, and high-efficient diaphragm press filter operating cycle cycle stability is at 45min～50min,Moisture content of the cake after press filtration is 13%, meets and clears condition, has greatly reduced mud cake stacking and has accounted forUse volume.
Embodiment 7
The processing method of high concentration suspended matter waste water is as embodiment 1, wherein flocculant be PAM withCaCl2By weight the mixture for 1:80 composition.
The secondary hydrocyclone precipitum rate of recovery reaches 47.7%, and the heavy speed of radial-flow sedimentation tank particle reaches0.32mm/s, bottom sedimentation mud solid content is increased to 31%, and precipitation concentrated effect is obvious, goes outWater quality stabilizing is up to standard, and high-efficient diaphragm press filter operating cycle cycle stability is at 45min～50min,Moisture content of the cake after press filtration is 14%, meets and clears condition, has greatly reduced mud cake stacking and has accounted forUse volume.
Embodiment 8
The processing method of high concentration suspended matter waste water is as embodiment 1, wherein flocculant be PAM withCaCl2By weight the mixture for 1:10 composition.
The secondary hydrocyclone precipitum rate of recovery reaches 45.2%, and the heavy speed of radial-flow sedimentation tank particle reaches0.35mm/s, bottom sedimentation mud solid content is increased to 36%, and precipitation concentrated effect is obvious, goes outWater quality stabilizing is up to standard, and high-efficient diaphragm press filter operating cycle cycle stability is at 45min～50min,Moisture content of the cake after press filtration is 13%, meets and clears condition, has greatly reduced mud cake stacking and has accounted forUse volume.
Embodiment 9
The processing method of high concentration suspended matter waste water is as embodiment 1, wherein flocculant be PAM withCaCl2By weight the mixture for 1:125 composition.
The secondary hydrocyclone precipitum rate of recovery reaches 46.1%, and the heavy speed of radial-flow sedimentation tank particle reaches0.31mm/s, bottom sedimentation mud solid content is increased to 32%, and precipitation concentrated effect is obvious, goes outWater quality stabilizing is up to standard, and high-efficient diaphragm press filter operating cycle cycle stability is at 45min～50min,Moisture content of the cake after press filtration is 14%, meets and clears condition, has greatly reduced mud cake stacking and has accounted forUse volume.
The content not being described in detail in this description, belongs to those skilled in the art known existingThere is technology.
Claims (10)
1. a processing method for high concentration suspended matter waste water, is characterized in that, comprises as followsStep:
1) utilize multi-stage water power cyclone to separate containing high concentration suspended matter waste water, obtain precipitumAnd overflowing liquid, reclaim gained precipitum;
2) sedimentation mud is concentrated: by step 1) overflowing liquid of gained imports in radical sedimentation basin,Add the auxiliary material adding tube and the described radial-flow that flocculant are passed into described overflowing liquid by multiple spotIn sedimentation basin, obtain sedimentation mud and the upper strata clear water that meets discharge standard;
3) sedimentation slurry dewatering: to step 2) the sedimentation mud of gained carries out press filtration and eardrum twoInferior extrusion dehydration, obtains filter residue, then, and air inlet percolation, the whole filter chamber of full flow high-pressure blowingInterior filter residue, obtains the mud cake after mummification.
2. the processing method of high concentration suspended matter waste water according to claim 1, its spyLevy and be, described step 2) in, flocculant is the mixture of PAM or PAM and CaO compositionOr PAM and CaCl2The mixture of composition.
3. the processing method of high concentration suspended matter waste water according to claim 2, its spyLevy and be, flocculant is the mixture that PAM and CaO form for 1:10-100 by weight.
4. the processing method of high concentration suspended matter waste water according to claim 3, its spyLevy and be, flocculant is PAM and CaCl2By weight the mixture for 1:10-125 composition.
5. one kind is given up according to the high concentration suspended matter described in arbitrary claim in claim 1-4The device that the processing method of water is used, is characterized in that, comprise waste water braiding channel (1),The first collecting-tank (2), one-level hydrocyclone (4), the first powerful dehydration equipment (5),The first sealing-tape machine (6), the second collecting-tank (15), secondary hydrocyclone (8), secondPowerful dehydration equipment (9), the second sealing-tape machine (10), radical sedimentation basin (11), auxiliary materialAdding tube (13), high-efficient diaphragm filter press (14), the going out of described waste water braiding channel (1)Mouth is connected with the import of described the first collecting-tank (2), the outlet of described the first collecting-tank (2)Be connected with the input of described one-level hydrocyclone (4) by the first water pump (3), described inThe output of one-level hydrocyclone (4) is connected with the import of described the second collecting-tank (15),The outlet of described the second collecting-tank (15) is revolved by the second water pump (7) and described secondary waterpowerStream device (8) input be connected, the output of described secondary hydrocyclone (8) with described inThe import of radical sedimentation basin (11) is connected, the mud of described radical sedimentation basin (11) bottomSlurry outlet is the input with described high-efficient diaphragm filter press (14) by body refuse elevator pump (12)Be connected; Described one-level hydrocyclone (4) bottom is provided with precipitum outlet, described firstPowerful dehydration equipment (5) is placed in the downside of described one-level hydrocyclone (4), described firstSealing-tape machine (6) is placed in the downside of described the first powerful dehydration equipment (5), described secondary waterpowerCyclone (8) bottom is provided with precipitum outlet, and described the second powerful dehydration equipment (9) is putIn the downside of described secondary hydrocyclone (8), described the second sealing-tape machine (10) is placed in instituteState the downside of the second powerful dehydration equipment (9), described in described auxiliary material adding tube (13) is positioned atThe upside of radical sedimentation basin (11), the output of described auxiliary material adding tube (13) is provided withMultiple points of ports.
6. the treating apparatus containing high concentration suspended matter waste water according to claim 5, its spyLevy and be, described radical sedimentation basin (11) comprises pond body (111), described pond body (111)Bottom be provided with discharge gate (113), on described pond body (111), be fixed with crane span structure (114),Described crane span structure (114) is positioned on a diameter of described pond body (111) end face, described crane span structure(114) middle part is provided with drive unit (1110), under the central authorities of described crane span structure (114)Side is fixed with the pan feeding well (115) of both ends open, described secondary hydrocyclone (8) defeatedGo out end and be connected with the charging aperture of described pan feeding well (115), the output of auxiliary material adding tube (13)Be provided with at least three points of ports, one of them of the output of auxiliary material adding tube (13) point endMouthful be connected with the auxiliary material import of described pan feeding well (115), described auxiliary material adding tube (13) defeatedAll the other point of port that goes out end passes into output and the institute of described secondary hydrocyclone (8)State in the connecting line (118) between the charging aperture of pan feeding well (115), main shaft (116) is perpendicularDirect puncture is crossed center, the pan feeding well (115) of described crane span structure (114) and is scraped acquisition means (117) phaseConnect, described main shaft (116) is connected with described drive unit (1110).
7. the treating apparatus containing high concentration suspended matter waste water according to claim 6, its spyLevy and be: the middle part of described crane span structure (114) is also provided with lifting device (1111), hydraulic pressure systemSystem (1112) and PLC intelligent controlling device (1113), described main shaft (116) and liftingDevice (1111) is connected, described lifting device (1111) and described hydraulic system (1112)Output be connected, described drive unit (1110), lifting device (1111) all with described inThe output of PLC intelligent controlling device (1113) is connected.
8. the treating apparatus containing high concentration suspended matter waste water according to claim 7, its spyLevy and be: the upper inner of described pond body (111) is provided with the downflow weir of annulus flute profile along circumference(112), the corner of described downflow weir (112) extends along circumferential pond body (111) inner sideForm overflow spoiler (1114).
9. according to the dress of the processing containing high concentration suspended matter waste water described in claim 6 or 7 or 8Put, it is characterized in that: the tangent plane of described overflow spoiler (1114) and the angle of horizontal plane are30-60 °, it is upper that described crane span structure (114) is welded on described pond body (111), described pond body (111)End face opening, side are that the face of cylinder, bottom surface are the rounding conical surface, described in scrape acquisition means (117) bagDraw together center superposition and vertically arranged two truss.
10. the treating apparatus containing high concentration suspended matter waste water according to claim 9, itsBe characterised in that: the output of described auxiliary material adding tube (13) be provided with first point of port (1191),Second point of port (1192) and the 3rd point of port (1193), described first point of port (1191)Be connected with the auxiliary material import of described pan feeding well (115), described second point of port (1192) andThree points of ports (1193) pass in described connecting line (118).
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| CN110204087A (en) | 2019-09-06 |
| CN110204087B (en) | 2022-10-28 |
| CN105600993B (en) | 2019-11-05 |
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