CN101759322B - Production process for denim sewage treatment and pretreatment - Google Patents
Production process for denim sewage treatment and pretreatment Download PDFInfo
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- CN101759322B CN101759322B CN200910176807XA CN200910176807A CN101759322B CN 101759322 B CN101759322 B CN 101759322B CN 200910176807X A CN200910176807X A CN 200910176807XA CN 200910176807 A CN200910176807 A CN 200910176807A CN 101759322 B CN101759322 B CN 101759322B
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Abstract
The present invention discloses a denim sewage treatment and pretreatment method, and relates to textile technology, organically comprising the following steps: 1, introducing wastewater subjected to pretreatment such as physical sedimentation into a tower biological filter for treatment; 2, performing laser scanning treatment on the sewage for one time; 3, performing ultrasonic treatment on the sewage for one time; and 4, performing ultraviolet irradiation on the sewage for one time; the height of the tower biological filter is reduced greatly; a blast apparatus such as a blast blower is not needed; energy consumption and initial investment are reduced; the main flows of the process treatment are physical treatment flows, the sludge amount is reduced greatly, and the secondary pollution is prevented; and the investment is reduced and the production process is convenient to operate and manage.
Description
Technical field:
The present invention relates to a kind of textile technology, especially relate to a kind of denim sewage disposal pretreatment process.
Background technology:
Cowboy's dress ornament is one of China's important export textiles.The waste water that its production process produces is mainly from operations such as washing, dyeing and starchings.Principal pollutant are dying material, sulfide, slurry and auxiliary agent in the waste water.The characteristics of waste water are that alkalescence is strong, organic contamination substrate concentration height, colourity height, sulfuration object height, and waste water quality, the water yield change greatly.Simple biochemistry or materialization are handled and all are difficult to reach emission request, are considered to one of unmanageable kind of waste water.Water quality also alters a great deal because of the complete processing difference, such as produce mercerising indigo plant, mercerising is black, special dark blue and the contaminated wastewater substrate concentration of special product such as pitch black is just very high.Multiple sewage disposal scheme is arranged at present, but the preferred plan of being generally acknowledged in the world is to filter the membrane type sewage disposal, yet the aperture of filtering membrane is minimum, is 0.2 μ m, is very easily stopped up by the foreign material in the sewage.Our factory has adopted the diverse sewage treatment process of multitasking principle, and all kinds of impurity in the sewage are removed in each sewage disposal link respectively, makes the sewage that enters filtering membrane relatively cleaner, and the present invention is exactly a procedure wherein.
Summary of the invention:
The purpose of this invention is to provide a kind of denim sewage disposal pretreatment process, it can make, and organic contamination substrate concentration, colourity, sulfide content reduce significantly in the waste water, make the sewage quality that enters filtering membrane reach cleanliness levels.
In order to solve the existing problem of background technology, the present invention adopts following steps: step 1, the pretreated waste water of process physical sedimentation at first feed the tower biological filter and handle; Step 2, sewage is carried out laser scanning treatment one time; Step 3, sewage is carried out ultrasonication one time; Step 4, sewage is carried out a uviolizing.More than four flow processs organically be combined into an operation, finish the present invention to the organic pollutant in the denim sewage, colourity, sulfide, the improvement of basicity etc.
Described step 1 at first feeds the tower biological filter through pretreated waste water such as physical sedimentations and handles: waste water has been removed tiny suspended substances such as cloth hair, the end of a thread, fiber flock through pre-treatment, mainly contain pollution substances such as organic pollutant, sulfide in the waste water.Use by first sump pump 4 of first frequency transformer 3 control this waste water is extracted into jet pipe under the top jet pipe 5 of tower biological filter and the first layer filter material layer, carry out the secondary water spray.In the mode of spray by the microbial film in the filler; During operation, at first carry out on the filter material layer 6,7,8 " biofilm ", promptly cultivate the microbial film stage.This operation phase, grow microbial film gradually on the clean no membrane filtration bed.Before the normal operation in filter tank, an operation phase that allows microorganism shake down, breed growth be arranged, be called " biofilm-domestication " stage.During operation, influent waste water is water inlet continuously.The filter bed upper strata, the organic concentration height in the sewage, microbial reproduction speed height, kind is more rudimentary, and based on bacterium, biofilm biomass is more, and organic removal rate is higher.Along with the filter bed degree of depth increases, microorganism is senior from rudimentary trend, and kind increases gradually, biofilm biomass from how to few.When the filter bed degree of depth was 2m, the COD clearance was about 60%, and the film amount is per unit volume 3kg; When the filter bed degree of depth was 5m, the COD clearance was about 66%, and the film amount is per unit volume 1.1kg.
Described step 2 pair sewage carries out a laser scanning to be handled: (as Fig. 3) diametrical position above the big funnel of ultrasonic transducer 1 is installed a guide rail 20, a carriage is installed on guide rail 20, on carriage, fix a laser head 19, a bucker 18 is installed in the guide rail top, and drag by a stepper-motor 10 and to move reciprocatingly, one six seconds back and forth, this laser head 19 is controlled by laser generator 12, the moment of torsion of this stepper-motor 10 is 3 Ns of rice.This stepper-motor 10 is controlled by a controllor for step-by-step motor 11.By in the big funnel that ultrasonic transducer 1 is housed, promptly sewage is to be poured down by the top of laser head bucker with the sewage after step 1 processing, and the sewage that process laser and ultrasonication are crossed flow into UV treatment device 15; Can make biological tissue that stronger absorption is arranged during with the laser radiation of suitable wavelength, impel it that certain photochmeical reaction takes place.The biological effect of light laser then can be destroyed the eubolism of cell, destroys protein, plays the effect of killing virus and bacterium or generation irritation cell.Laser radiation produces mechanical effect.The secondary pressure that the thermal expansion that biological tissue's absorption light laser causes and phase transformation and ultrasonic wave etc. cause, make the pressure change of biomass cells can change the shape of biomass cells, tissue, make biomass cells, tissue or between produce mechanical force, thereby destroy biomass cells structure and tissue.When laser radiation sewage, be equivalent to sewage and place powerful electric field, the positive and negative charge of the non-polar molecule in the sewage is motion in the opposite direction respectively, molecule is polarized, polarized molecule will rearrange under electric field action, in rearrangement process with bump friction and produce a large amount of heat of molecule (particle) on every side, this Electromagnetic Environmental Effect causes or changes the quantization motion of organism in the sewage, biological tissue's molecule and atom, cause the organism in the sewage, a series of variations take place in microorganism.Thereby reach the reduction organic concentration, the purpose of degradation biological film cast.Laser can produce Photochemical effects in addition, comprises photic decomposition, photo-oxidation, photopolymerization and photic sensibilized in this process, equally to pollutants in sewage and microorganism, generation effects such as germ.Laser apparatus is pressed reciprocating manner scanning, installation and operation.
Described step 3 pair sewage carries out ultrasonication one time: the sewage after step 2 is handled is introduced and is equipped with in the big funnel of ultrasonic transducer 1, ultrasonic transducer 1 input terminus connects on the output terminal of ultrasonic generator 2, used ultrasonic generator 2, its frequency is 20KHz, power is 100W, disposes of sewage continuously.Ultrasonic wave has good directionality, and penetrativity is strong, is easy to obtain than the mechanical energy of concentrating with in characteristics such as water transmission distance.The high-energy that collapse produced of ultrasonic cavitation bubble is enough to break chemical bonds, and in the aqueous solution, the cavitation bubble collapse produces hydroxy and hydrogen base, with organism generation oxidizing reaction, organism is had very strong degradation capability.Harmful organic substance can be degraded to mineral ion through lasting ultrasonic: water (H
2O), carbonic acid gas (CO
2) or organic acid etc. is nontoxic or the material of low toxicity.Simultaneously with sewage in sulfide generation redox reaction, generate soluble sulphate, with the sulfide in the degradation of sewage.Through this step, organic pollutant in the sewage and sulfide basically eliminate; Go out moisture backflow sewage and flow to road ultrasonication operation down.Reflux ratio is about 3; Each power of ultrasonic transducer is 100w in this step, needs 200, altogether 20000w.Be concentric(al) circles and be installed in the about 1.5m of diameter, high about 0.2m, angle 15 degree.Funnel bottom pipe diameter is about 0.4m, Guan Gaoyue 0.5m.
Described step 4 pair sewage carries out a uviolizing: the sewage of step 3 is extracted in the UV treatment device 15 with second sump pump 14, this second sump pump is controlled by second frequency transformer 13, these UV treatment device 15 inside are made up of 5 acrylic pipelines 16, the every long 2m of acrylic pipeline 16 pipelines, wall thickness 5mm, internal diameter 45cm, every pipeline upper edge tube wall is installed 8 quartz burners 17, about this quartz burner 17 long 35mm, power is 250w, needs 40 altogether.Acrylic pipeline outer wall soldering stainless steel protective layer, thick 2mm prevent that ultraviolet ray from damaging the workmen.Through uviolizing, the chromonic material in the sewage is destroyed, significantly reduces colourity (closely colourless) and turbidity; Under uviolizing, oxygenant O
3, ClO
2, H2O
2, O
2Become big Deng with oxidized chromonic material is active, oxidative decomposition takes place in both, thereby chromonic material is decoloured rapidly.Kill the germ in the sewage simultaneously.
Principle of work: tower biological filter utilization microbial film treatment process is carried out microbiological deterioration to organic pollutant, and some toxic substances, sulfide, the degraded of basicity; Laser method utilizes its more distinctive effects, destroys the microorganism in the sewage, the biological structure of germ as mechanical effect, electrical effect and Photochemical effects etc., and sulfide, organism etc. is degraded, removed.Supersonic method is handled denim sewage in conjunction with ultraviolet irradiation, and ultrasonic wave produces effects such as cavitation bubble collapse and heat effect in solution, with the organic pollutant generation physical-chemical reaction generation water (H in the sewage
2O), carbonic acid gas (CO
2) or organic acid etc. is nontoxic or the material of low toxicity, and then reduce the organic contamination substrate concentration in the sewage; Ultrasonic energy is accelerated microorganism cells dissolving in the sewage, when being used for the mud return-flow system, can strengthen the degradability of cell, has reduced the output of mud; Ultraviolet ray destroys and changes DNA (thymus nucleic acid) structure of microorganism, makes the dead at once or irreproducible offspring of bacterium, reaches germ-resistant purpose.The effect of three kinds of method synthesis effects is the organic pollutants that make in the denim sewage, and sulfide, basicity isoconcentration reduce, and sewage reaches and enters the magnetic fluid treatment process and lay a good foundation.
The present invention has following beneficial effect: significantly reduce the height of tower biological filter, need not to install blast apparatuses such as gas blower, the minimizing initial cost cuts down the consumption of energy; The main flow process of art breading is the physical treatment flow process, significantly reduces sludge quantity, prevents secondary pollution, and reduces investment, is convenient to operational management; Solved the susceptible to plugging problem of lower sump that coming off of microbial film piece caused, solved mud and like ardently secondary pollution, problems such as equipment washing inconvenience, and in following road ultrasonication operation, sludge quantity is significantly reduced; Low tower helps preventing to produce grey fly and reducing stench, improves the environment of plant; Since ultrasonic air bubble when collapse produce hydroxy and hydrogen base and with ultraviolet logotype, form the optoacoustic chemical technology and utilize ultrasonic technique and the ultraviolet technique collaborative and complementary action of degradation capability stack separately.To organic pollutant phenol common in the water, tetrahydro-carbon, three hydrogen methane and trichoroacetic acid(TCA) (TCAA) solve, the degraded product that makes four kinds of materials is a water, carbonic acid gas, chlorion or be easy to biodegradable short chain fatty acid has also solved Virahol and the low problem of SCN-plasma clearance.Ultrasonic degradation has also been obtained good effect to fat hydrocarbon, arene, phenols, lipid, alcohols, ketone, amine, acids, natural organic matter and agrochemical; The utilization ultrasonic technology reduces the use of chemical agent greatly, increases substantially the effect of chemical agent; Ultra-violet sterilization is exactly by ultraviolet irradiation, destroys and change DNA (thymus nucleic acid) structure of microorganism, makes the dead at once or irreproducible offspring of bacterium, reaches germ-resistant purpose; Ultra-violet sterilization belongs to pure physical disinfection method, have simple and convenient, broad-spectrum high efficacy, non-secondary pollution, be convenient to management and realize advantages such as automatization, along with the release of the quartz burner of various new design, the range of application of ultra-violet sterilization is also constantly enlarging; Ultrasonic technology, the comprehensive action of laser technology and UV treatment technology is played important role to waste water control, lays a good foundation for entering the magnetic fluid treatment process.
Description of drawings:
Fig. 1 is preparation technology's device structure synoptic diagram of the present invention;
Fig. 2-Fig. 3 is preparation technology's equipment decomposition texture synoptic diagram of the present invention.
Embodiment:
Referring to Fig. 1-3, this embodiment adopts following production technique: 1, at first feed the tower biological filter through pretreated waste water such as physical sedimentations and handle; 2, sewage is carried out laser scanning treatment one time; 3, sewage is carried out ultrasonication one time; 4, sewage is carried out a uviolizing.More than four flow processs organically be combined into an operation, finish the present invention to the organic pollutant in the denim sewage, colourity, sulfide, the improvement of basicity etc.
Described step 1 at first feeds the tower biological filter through pretreated waste water such as physical sedimentations and handles: waste water has been removed tiny suspended substances such as cloth hair, the end of a thread, fiber flock through pre-treatment, mainly contain pollution substances such as organic pollutant, sulfide in the waste water.Use by first sump pump 4 of first frequency transformer 3 control this waste water is extracted into jet pipe under the top jet pipe 5 of tower biological filter and the first layer filter material layer, carry out the secondary water spray.In the mode of spray by the microbial film in the filler; During operation, at first carry out on the filter material layer 6,7,8 " biofilm ", promptly cultivate the microbial film stage.This operation phase, grow microbial film gradually on the clean no membrane filtration bed.Before the normal operation in filter tank, an operation phase that allows microorganism shake down, breed growth be arranged, be called " biofilm-domestication " stage.During operation, influent waste water is water inlet continuously.The filter bed upper strata, the organic concentration height in the sewage, microbial reproduction speed height, kind is more rudimentary, and based on bacterium, biofilm biomass is more, and organic removal rate is higher.Along with the filter bed degree of depth increases, microorganism is senior from rudimentary trend, and kind increases gradually, biofilm biomass from how to few.When the filter bed degree of depth was 2m, the COD clearance was about 60%, and the film amount is per unit volume 3kg; When the filter bed degree of depth was 5m, the COD clearance was about 66%, and the film amount is per unit volume 1.1k.
The design variable of biological filter is as follows:
(1) the high 10-12m of body of the tower, the structure major portion comprises tower body, filtrate, cloth wetting system, ventilation plant, water exhaust system.Tower body adopts the stainless steel manufacturing, tower body height overall 10-12m, and body of the tower 8-10m, back cut diameter 2-3.5m, lower port diameter 1.7-3.2m, with the little 30cm of back cut diameter, filtrate floor height 2m, concrete structures specification is seen Fig. 1.
(2) filtrate is selected TH Φ 200 * 80 for use, inlays the soft hydroformylation silk of superfine polyvinyl for PE circle flower button is outer in the middle of it, is provided by Hangzhou Tianyu Environmental Protection Engineering Co., Ltd.Its unit volume surface is 2000m
2, voidage 〉=98%, the heavy per unit volume 4.75kg of finished product.But permutation and combination becomes multilayered structure, is honeycomb structure, and air is unimpeded.Establish grid in body of the tower layering place, be used for supporting filtrate, grid is supported by body of the tower.The filler layered arrangement is divided three layers, and every layer height is 2m.The import of water inlet is arranged in cat head and the first layer filler below.
(3) adopt natural ventilation, the space of 0.4-0.6m is arranged at the bottom of the tower, leave ventilation hole on every side at the bottom of the tower, the total effective area in hole is not less than the 7.5%-10% of filter tank area.
(4) the designing treatment ability is 200m
3/ h, and in service in actual treatment, flooding quantity is 450～680m3/h, that is to say, actual per hour treatment capacity is 2～3 times of design;
(5) the ultrasonic wave funnel that catchments is established in tower biofilter material bottom, in the pond about available depth 0.5m, and superelevation 0.3m.
(6) cat head exceeds about filter material layer change face 0.5m, makes water-distributing device avoid windage.
Described step 2 pair sewage carries out a laser scanning to be handled: (as Fig. 3) diametrical position above the big funnel of ultrasonic transducer 1 is installed a guide rail 20, a carriage is installed on guide rail 20, on carriage, fix a laser head 19, a bucker 18 is installed in the guide rail top, and drag by a stepper-motor 10 and to move reciprocatingly, one six seconds back and forth, this laser head 19 is controlled by laser generator 12, the moment of torsion of this stepper-motor 10 is 3 Ns of rice.The dynamo-electric company limited of Di Nationality, Shenyang City promise product.This stepper-motor 10 is controlled by a controllor for step-by-step motor 11.By in the big funnel that ultrasonic transducer 1 is housed, promptly sewage is to be poured down by the top of laser head bucker with the sewage after step 1 processing, and the sewage that process laser and ultrasonication are crossed flow into UV treatment device 15; Can make biological tissue that stronger absorption is arranged during with the laser radiation of suitable wavelength, impel it that certain photochmeical reaction takes place.The biological effect of light laser then can be destroyed the eubolism of cell, destroys protein, plays the effect of killing virus and bacterium or generation irritation cell.Laser radiation produces mechanical effect.The secondary pressure that the thermal expansion that biological tissue's absorption light laser causes and phase transformation and ultrasonic wave etc. cause, make the pressure change of biomass cells can change the shape of biomass cells, tissue, make biomass cells, tissue or between produce mechanical force, thereby destroy biomass cells structure and tissue.When laser radiation sewage, be equivalent to sewage and place powerful electric field, the positive and negative charge of the non-polar molecule in the sewage is motion in the opposite direction respectively, molecule is polarized, polarized molecule will rearrange under electric field action, in rearrangement process with bump friction and produce a large amount of heat of molecule (particle) on every side, this Electromagnetic Environmental Effect causes or changes the quantization motion of organism in the sewage, biological tissue's molecule and atom, cause the organism in the sewage, a series of variations take place in microorganism.Thereby reach the reduction organic concentration, the purpose of degradation biological film cast.Laser can produce Photochemical effects in addition, comprises photic decomposition, photo-oxidation, photopolymerization and photic sensibilized in this process, equally to pollutants in sewage and microorganism, generation effects such as germ.Laser apparatus is pressed reciprocating manner scanning, installation and operation (as shown in Figure 3).
Described step 3 pair sewage carries out ultrasonication one time: the sewage after step 2 is handled is introduced and is equipped with in the big funnel of ultrasonic transducer 1, ultrasonic transducer 1 input terminus connects on the output terminal of ultrasonic generator 2, used ultrasonic generator 2, its frequency is 20KHz, power is 100W, disposes of sewage continuously.Ultrasonic wave has good directionality, and penetrativity is strong, is easy to obtain than the mechanical energy of concentrating with in characteristics such as water transmission distance.The high-energy that collapse produced of ultrasonic cavitation bubble is enough to break chemical bonds, and in the aqueous solution, the cavitation bubble collapse produces hydroxy and hydrogen base, with organism generation oxidizing reaction, organism is had very strong degradation capability.Harmful organic substance can be degraded to mineral ion through lasting ultrasonic: water (H
2O), carbonic acid gas (CO
2) or organic acid etc. is nontoxic or the material of low toxicity.Simultaneously with sewage in sulfide generation redox reaction, generate soluble sulphate, with the sulfide in the degradation of sewage.Through this step, organic pollutant in the sewage and sulfide basically eliminate; Go out moisture backflow sewage and flow to road ultrasonication operation down.Reflux ratio is about 3; Each power of ultrasonic transducer is 100w in this step, needs 200, altogether 20000w.Be concentric(al) circles and be installed in the about 1.5m of diameter, high about 0.2m, 15 ° of angles.Funnel bottom pipe diameter is about 0.4m, Guan Gaoyue 0.5m (as shown in Figure 3).
Described step 4 pair sewage carries out a uviolizing: the sewage of step 3 is extracted in the UV treatment device 15 with second sump pump 14, this second sump pump is controlled by second frequency transformer 13, these UV treatment device 15 inside are made up of 5 acrylic pipelines 16, the every long 2m of acrylic pipeline 16 pipelines, wall thickness 5mm, internal diameter 45cm, every pipeline upper edge tube wall is installed 8 quartz burners 17, about this quartz burner 17 long 35mm, power is 250w, needs 40 altogether.Acrylic pipeline outer wall soldering stainless steel protective layer, thick 2mm prevent that ultraviolet ray from damaging the workmen.Through uviolizing, the chromonic material in the sewage is destroyed, significantly reduces colourity (closely colourless) and turbidity; Under uviolizing, oxygenant O
3, ClO
2, H
2O
2, O
2Become big Deng with oxidized chromonic material is active, oxidative decomposition takes place in both, thereby chromonic material is decoloured rapidly.Kill the germ in the sewage simultaneously.Significantly reduce the height of tower biological filter, need not to install blast apparatuses such as gas blower, the minimizing initial cost cuts down the consumption of energy; The main flow process of art breading is the physical treatment flow process, significantly reduces sludge quantity, prevents secondary pollution, and reduces investment, is convenient to operational management; Solved the susceptible to plugging problem of lower sump that coming off of microbial film piece caused, solved mud and like ardently secondary pollution, problems such as equipment washing inconvenience, and in following road ultrasonication operation, sludge quantity is significantly reduced; Low tower helps preventing to produce grey fly and reducing stench, improves the environment of plant; Since ultrasonic air bubble when collapse produce hydroxy and hydrogen base and with ultraviolet logotype, form the optoacoustic chemical technology and utilize ultrasonic technique and the ultraviolet technique collaborative and complementary action of degradation capability stack separately.To organic pollutant phenol common in the water, tetrahydro-carbon, three hydrogen methane and trichoroacetic acid(TCA) (TCAA) solve, the degraded product that makes four kinds of materials is a water, carbonic acid gas, chlorion or be easy to biodegradable short chain fatty acid has also solved Virahol and the low problem of SCN-plasma clearance.Ultrasonic degradation has also been obtained good effect to fat hydrocarbon, arene, phenols, lipid, alcohols, ketone, amine, acids, natural organic matter and agrochemical; The utilization ultrasonic technology reduces the use of chemical agent greatly, increases substantially the effect of chemical agent; Ultra-violet sterilization is exactly by ultraviolet irradiation, destroys and change DNA (thymus nucleic acid) structure of microorganism, makes the dead at once or irreproducible offspring of bacterium, reaches germ-resistant purpose; Ultra-violet sterilization belongs to pure physical disinfection method, have simple and convenient, broad-spectrum high efficacy, non-secondary pollution, be convenient to management and realize advantages such as automatization, along with the release of the quartz burner of various new design, the range of application of ultra-violet sterilization is also constantly enlarging; Ultrasonic technology, the comprehensive action of laser technology and UV treatment technology is played important role to waste water control, lays a good foundation for entering the magnetic fluid treatment process.
Principle of work: tower biological filter utilization microbial film treatment process is carried out microbiological deterioration to organic pollutant, and some toxic substances, sulfide, the degraded of basicity; Laser method utilizes its more distinctive effects, destroys the microorganism in the sewage, the biological structure of germ as mechanical effect, electrical effect and Photochemical effects etc., and sulfide, organism etc. is degraded, removed.Supersonic method is handled denim sewage in conjunction with ultraviolet irradiation, and ultrasonic wave produces effects such as cavitation bubble collapse and heat effect in solution, with the organic pollutant generation physical-chemical reaction generation water (H in the sewage
2O), carbonic acid gas (CO
2) or organic acid etc. is nontoxic or the material of low toxicity, and then reduce the organic contamination substrate concentration in the sewage; Ultrasonic energy is accelerated microorganism cells dissolving in the sewage, when being used for the mud return-flow system, can strengthen the degradability of cell, has reduced the output of mud; Ultraviolet ray destroys and changes DNA (thymus nucleic acid) structure of microorganism, makes the dead at once or irreproducible offspring of bacterium, reaches germ-resistant purpose.The effect of three kinds of method synthesis effects is the organic pollutants that make in the denim sewage, and sulfide concentration reduces, and the basicity isoconcentration reduces, and sewage reaches and enters the magnetic fluid treatment process and lay a good foundation.
Claims (5)
1. a denim sewage disposal pretreatment process is characterized in that it is at first to be fed the tower biological filter and handled by step 1, the pretreated waste water of process physical sedimentation; Step 2, sewage is carried out laser scanning treatment one time; Step 3, sewage is carried out ultrasonication one time; Step 4, sewage is carried out a uviolizing, four flow processs organically are combined into an operation, finish to the organic pollutant in the denim sewage colourity, sulfide, the improvement of basicity.
2. a kind of denim sewage disposal pretreatment process according to claim 1, it is characterized in that described step 1 at first feeds the tower biological filter through the pretreated waste water of physical sedimentation and handles: waste water has been removed tiny suspended substances such as cloth hair, the end of a thread, fiber flock through pre-treatment, mainly contain pollution substances such as organic pollutant, sulfide in the waste water; Use by first sump pump (4) of first frequency transformer (3) control this waste water is extracted into jet pipe under the top jet pipe (5) of tower biological filter and the first layer filter material layer, carry out the secondary water spray; In the mode of spray by the microbial film in the filler; During operation, filter material layer at first carries out " biofilm " on (6,7,8), promptly cultivates the microbial film stage; This operation phase, grow microbial film gradually on the clean no membrane filtration bed.
3. a kind of denim sewage disposal pretreatment process according to claim 1, it is characterized in that described step 2 pair sewage carries out a laser scanning and handles: diametrical position is installed a guide rail (20) in the big funnel top of ultrasonic transducer (1), go up carriage of installation at guide rail (20), on carriage, fix a laser head (19), a bucker (18) is installed in the guide rail top, and drag by a stepper-motor (10) and to move reciprocatingly, one six seconds back and forth, this laser head (19) is controlled by laser generator (12), and the moment of torsion of this stepper-motor (10) is 3 Ns of rice; This stepper-motor (10) is controlled by a controllor for step-by-step motor (11); By in the big funnel that ultrasonic transducer (1) is housed, promptly sewage is to be poured down by the top of laser head bucker with the sewage after step 1 processing, and the sewage that process laser and ultrasonication are crossed flow into UV treatment device (15).
4. a kind of denim sewage disposal pretreatment process according to claim 1, it is characterized in that described step 3 pair sewage carries out ultrasonication one time: the sewage after step 2 is handled is introduced and is equipped with in the big funnel of ultrasonic transducer (1), ultrasonic transducer (1) input terminus connects on the output terminal of ultrasonic generator (2), used ultrasonic generator (2), its frequency is 20KHz, power is 100W, disposes of sewage continuously.
5. a kind of denim sewage disposal pretreatment process according to claim 1, it is characterized in that described step 4 pair sewage carries out a uviolizing: the sewage of step 3 is extracted in the UV treatment device (15) with second sump pump (14), this second sump pump is controlled by second frequency transformer (13), this UV treatment device (15) is inner to be made up of 5 acrylic pipelines (16), the long 2m of every acrylic pipeline (16) pipeline, wall thickness 5mm, internal diameter 45cm, every pipeline upper edge tube wall is installed 8 quartz burners (17), about the long 35mm of this quartz burner (17), power is 250w, needs 40 altogether.
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102718310A (en) * | 2012-06-20 | 2012-10-10 | 苏州国环环境检测有限公司 | Biological filter for wastewater treatment |
| CN108249718A (en) * | 2016-01-25 | 2018-07-06 | 金华知产婺源信息技术有限公司 | A kind of mud decrement disinfection treatment method |
| CN107151037B (en) * | 2016-03-02 | 2020-07-24 | 上海京明环境科技有限公司 | Device and method for treating high-salinity high-organic-matter wastewater through laser and ultrasonic cooperation |
| CN107032552A (en) * | 2017-04-20 | 2017-08-11 | 温州市鹿城区中津先进科技研究院 | Sewage disposal network by node of laser machining device |
| CN107601778B (en) * | 2017-10-25 | 2018-08-10 | 长江绿海环境工程股份有限公司 | A method of utilizing laser reinforcing active sludge treatment organic wastewater |
| CN107824431A (en) * | 2017-11-28 | 2018-03-23 | 新疆国峰嘉和环保科技有限公司 | A kind of method of wet method carbide slag screening removal of impurities |
| CN110818170B (en) * | 2019-11-21 | 2022-03-25 | 淄博昂洋节能环保科技有限公司 | Efficiency-increasing and scale-inhibiting descaling system of heat exchange equipment |
| CN114486666B (en) * | 2022-03-31 | 2022-06-24 | 山东省煤田地质局第五勘探队 | Mine underwater suspended matter analysis and detection device |
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