CN110482790A - A kind of dyeing waste water film process and reuse technology - Google Patents

A kind of dyeing waste water film process and reuse technology Download PDF

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Publication number
CN110482790A
CN110482790A CN201910783070.1A CN201910783070A CN110482790A CN 110482790 A CN110482790 A CN 110482790A CN 201910783070 A CN201910783070 A CN 201910783070A CN 110482790 A CN110482790 A CN 110482790A
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China
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standard
waste water
testing result
product
biological treatment
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CN201910783070.1A
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CN110482790B (en
Inventor
闵滢春
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Huzhou New Zhonghu Knitted Clothing Making Co Ltd
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Huzhou New Zhonghu Knitted Clothing Making Co Ltd
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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
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/10—Packings; Fillings; Grids
    • C02F3/105—Characterized by the chemical composition
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/10—Packings; Fillings; Grids
    • C02F3/105—Characterized by the chemical composition
    • C02F3/106—Carbonaceous materials
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • 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
    • C02F1/24—Treatment of water, waste water, or sewage by flotation
    • 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
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104—Devices therefor; Their operating or servicing
    • C02F1/46109—Electrodes
    • 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
    • C02F1/5281—Installations for water purification using chemical agents
    • 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
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • 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
    • C02F2001/007—Processes including a sedimentation step
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/30—Nature of the water, waste water, sewage or sludge to be treated from the textile industry
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/06—Controlling or monitoring parameters in water treatment pH
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • C02F3/342—Biological treatment of water, waste water, or sewage characterised by the microorganisms used characterised by the enzymes used
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

Abstract

The invention discloses a kind of dyeing waste water film process and reuse technologies, comprising the following steps: introduces in sedimentation basin waste water, medicament is added, then passes to microbubble；Clarified solution is detected, if testing result is up to standard, water body up to standard is introduced into biological treatment tank；If testing result presence is not up to standard, floating material and sediment are first removed, is then electrolysed, then dosing, stirred, be passed through microbubble and detection, until testing result is up to standard；Water body introducing biological treatment tank up to standard is subjected to biological decomposition, active carbon processing and film filtering layer by layer, detection obtains recycle-water if testing result reaches recycle water standard；If testing result does not reach recycle water standard, organized enzyme is added to biological treatment tank, repeats biological decomposition, active carbon processing, film filtering and detection until testing result reaches recycle water standard and obtains recycle-water.The present invention has the characteristics that design cycle is short, occupied area is small, guarantees effluent quality, improves microbiological treatment efficiency.

Description

A kind of dyeing waste water film process and reuse technology
Technical field
The present invention relates to a kind for the treatment of of dyeing wastewater equipment, especially a kind of dyeing waste water film process and reuse technology.
Background technique
Dyeing waste water to process cotton, fiber crops, chemical fibre and its blending product, printing and dyeing, woolens dyeing and finishing and silk based on silk The waste water of the discharges such as silk fabric factory.Kinds of fibers and processing technology difference, the water and water quality of dyeing waste water are also different.Textile printing and dyeing is useless Water because discharge amount is big, coloration is deep, hardly degraded organic substance content is high, salt content is big, dye component is complicated and it is most of with aromatic hydrocarbons and Heterocyclic compound be parent the features such as and become waste water treatment industry research emphasis and difficult point.Current dyeing waste water both domestic and external Processing can be divided into physical treatment process, method of chemical treatment, biological treatment and treatment with electrolytic method etc. by principle.Existing dyeing waste water When processing, in order to improve the treatment effect of waste water, it will usually using the processing mode for the long process that various ways combine, design knot Structure is complicated, and energy consumption is high, and occupation area of equipment is wide, and the water quality of water outlet cannot be guaranteed, wherein use microbiological treatment when, handle shape Formula is more single, and filler position is fixed, and contact area is smaller, processing is limited in scope, and filler utilization rate is lower, processing is caused to be imitated Rate reduces.
Therefore, that there are design cycles is long, occupied area is wide, effluent quality cannot be protected for existing treatment of dyeing wastewater equipment The lower problem of card, microbiological treatment efficiency.
Summary of the invention
The object of the present invention is to provide a kind of dyeing waste water film process and reuse technologies.The present invention has design cycle It is short, occupied area is small, guarantee effluent quality, improve microbiological treatment efficiency the characteristics of.
Technical solution of the present invention: a kind of dyeing waste water film process and reuse technology, comprising the following steps:
A, waste water is introduced in sedimentation basin, medicament is added to sedimentation basin by several pharmacy jars, stirred, stand 20- 30min obtains A product；
B, microbubble is passed through in A product by bubble access tube, is stirred, remove SS and grease pollutant, stand 10- After 30min, obtaining clarified solution is B product；
C, B product are taken to be detected, if testing result is up to standard, for C product；If testing result presence is not up to standard, first go Except floating material and sediment, then then pass to direct current electrolysis 10-20min, then control corresponding pharmacy jar again dosing, stir It mixes, be passed through microbubble and detection, until testing result is up to standard, obtain C product；
D, C product are introduced into biological treatment tank, C product impact on the baffle plate being interspersed up and down, pass through baffle plate one by one On spherical biologic packing material, the activated carbon fibre adhered on filter membrane and filter membrane between adjacent baffle, by layer Biological decomposition, active carbon processing and the film filtering of layer, remove the organic pollutant in C product, handle 0.5-1h, obtain D product；
E, it takes D product to be detected, if testing result reaches recycle water standard, obtains recycle-water；If testing result does not reach To recycle water standard, then organized enzyme is added to biological treatment tank, stirs biological treatment tank 10-30min, stands 0.5-1h, then D product are drawn into biological treatment tank upper end from biological treatment bottom of pond portion, repeat biological decomposition, active carbon processing, film filtering and inspection It surveys, until testing result reaches recycle water standard, obtains recycle-water.
In a kind of dyeing waste water film process above-mentioned and reuse technology, the medicament includes decolorising agent, precipitating reagent and neutralization Agent.
In a kind of dyeing waste water film process above-mentioned and reuse technology, corresponding pharmacy jar is controlled again in the step c Dosing controls pharmacy jar and adds decolorising agent again specifically, if colorimetric detection is not up to standard；If SS detection is not up to standard, medicine is controlled Agent tank adds precipitating reagent again, if pH value detection is not up to standard, controls pharmacy jar and adds neutralizer again.
In a kind of dyeing waste water film process above-mentioned and reuse technology, the electrolysis in the step c is compartment electrolysis, often Secondary electrolysis time is 2-4min, interval time 1-2min, keeps 10-20min.
In a kind of dyeing waste water film process above-mentioned and reuse technology, in the step d, biological decomposition layer by layer, activity Charcoal processing and film filtering are repeated according to the sequence of biological decomposition, active carbon processing and film filtering, wherein the mistake of filter membrane It is incremented by successively from top to bottom to filter precision.
In a kind of dyeing waste water film process above-mentioned and reuse technology, the step d, further includes by aeration tube adjacent Jet-flow aeration processing is carried out between baffle plate, gas impacts biologic packing material.
In a kind of dyeing waste water film process above-mentioned and reuse technology, the sedimentation basin in the step a includes reaction tank, instead The upper end of Ying Chi is equipped with the deslagging pond being enclosed in outside reaction tank, and the open end that reaction tank is located on deslagging pond is filled equipped with deslagging It sets；The lower end of the reaction tank is in inverted trapezoidal, is connected with several pharmacy jars and detector, detector and pharmacy jar one on reaction tank One is corresponding, and stirring rod and bubble access tube are also connected on reaction tank, and bubble access tube is equipped with the bubbler tube being distributed vertically.
In a kind of dyeing waste water film process above-mentioned and reuse technology, the slag-draining device includes being driven by driving motor Conveyer belt, conveyer belt be equipped with several tilt distributions slag discharge plate；The open end of the reaction tank is equipped with slag-guiding plate, slag-guiding plate Tilt angle it is consistent with the tilt angle of slag discharge plate.
In a kind of dyeing waste water film process above-mentioned and reuse technology, the outside of the bubbler tube is equipped with strainer, and bubble is logical The lower section for entering pipe is connected with the barrier plate of umbrella by connecting rod.
In a kind of dyeing waste water film process above-mentioned and reuse technology, on the inner wall of the biological treatment tank in the step d It is equipped with staggered several baffle plates from top to bottom, one end of baffle plate and the side inner wall of biological treatment tank connect, baffling Communication port is formed between the other end of plate and the other side inner wall of biological treatment tank, is equipped with spherical frame on every layer of baffle plate, It is equipped with biologic packing material in spherical frame, filter membrane is equipped between adjacent baffle, is adhered on filter membrane close to biologic packing material side Active Carbon fibe.
In a kind of dyeing waste water film process above-mentioned and reuse technology, be also connected on the biological treatment tank circulating pump, Detector and aeration tube, the input pipe of circulating pump are connected to the bottom of pond of biological treatment tank, the efferent duct of circulating pump and biological treatment The Chi Ding connection in pond, detector are electrically connected with circulating pump, the aeration head of aeration tube protrude into biological treatment tank respectively with spherical frame Frame is corresponding.
Compared with prior art, the present invention organically combines physical partition method and microorganism treatment, big by short route Flow design extends the processing time, reduces occupied area, improves treatment effect；Decolorising agent, precipitating reagent are first used in sedimentation basin With neutralizer respectively by waste water decoloring, precipitated impurities and neutralization, then removes original remaining in water body by microbubble and pass through Cross the suspended material that medicament reaction generates, while waste water and medicament being made further mixs, react, SS in removal water body and Grease pollutant；
Waste water enters biological treatment tank, is decomposed by biological oxidation, removes the organic pollutant in water body, passes through activity Harmful substance in Carbon fibe adsorbed water body, the gas that biological treatment is generated removes, and assists the filtering of subsequent filter membrane, mistake Filter membrane goes colloid, organic matter, microorganism etc. in water removal, and the polluter of upper layer biological treatment generation has also been isolated, has prevented dirt It contaminates on the biologic packing material of lower layer；Multistep treatment, filtering essence are repeated according to the sequence of biological decomposition, active carbon processing, film filtering Degree successively improves, and biological decomposition, active carbon processing, film filtering are orderly organically combined together, cooperation is mutually supported, in life One cycle can substantially reduce the organic pollutant in water body in object processing pond, improve treatment effeciency and improve treatment effect；
And waste water passes through the baffle plate being interspersed up and down, is formed in fall impact to the biologic packing material of lower layer, has one Fixed impact force is flipped biologic packing material, increases the contact area with water body, makes full use of biologic packing material, improves biology The utilization rate of filler, while also Air Exposure, the aeration position and the position phase of biologic packing material of aeration tube are carried out using aeration tube It is corresponding, not only increase the dissolved oxygen in water body, but also in gas shock to biologic packing material, but also biologic packing material is flipped, Improve the utilization rate and treatment effeciency of biologic packing material；
Each pond carries out the detection of pollutant to water body before discharging, is handled again if not meeting, until row The water body put meets the requirements, and guarantees that effluent quality, entire process runs well, are met environmental requirements ideal treatment effect；
When detecting to the water body in sedimentation basin, before circular treatment again, the floating material and sediment in sedimentation basin are removed, It reduces and hinders, preferably handled in order to subsequent, then the electrolysis processing being spaced, electrolytic efficiency is high, makes subsequent water body While mixing more evenly with medicament, microbubble quantity is increased, removes impurity and organic matter, additionally it is possible to which the pigment in water is risen To a preferable oxidation, to reduce coloration；Detect different pollutants respectively when detecting, and for the knot of detection Corresponding medicament is carried out the addition of corresponding amount by fruit, more has specific aim, and reduce the waste of medicament, save the cost；To life When water body in object processing pond detects, if not being inconsistent standardization, organized enzyme is added before circular treatment again, improves the work of microorganism Property, increase the quantity of microorganism, to improve treatment effeciency；
Therefore, the present invention is with design cycle is short, occupied area is small, guarantee effluent quality, improves microbiological treatment efficiency The characteristics of.
Detailed description of the invention
Fig. 1 is flowage structure schematic diagram of the invention；
Fig. 2 is the device of the invention structural schematic diagram.
The label in accompanying drawing is: 11, reaction tank；12, deslagging pond；13, pharmacy jar；14, detector；15, stirring rod；16, Bubble access tube；17, bubbler tube；171, strainer；18, barrier plate；181, connecting rod；2, slag-draining device；21, conveyer belt；22, deslagging Plate；23, slag-guiding plate；3, biological treatment tank；31, baffle plate；32, communication port；33, spherical frame；34, biologic packing material；35, it filters Film；36, activated carbon fibre；41, circulating pump；42, detector；43, aeration tube；44, aeration head.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples, but be not intended as to the present invention limit according to According to.
Embodiment.
As illustrated in fig. 1 and 2, a kind of dyeing waste water film process and reuse technology, it is characterised in that: the following steps are included:
A, waste water is introduced in sedimentation basin, different medicaments is added to sedimentation basin respectively by several pharmacy jars, stirred, It stands 20-30min and waste water decoloring, precipitated impurities and neutralization is obtained into A product；The medicament includes decolorising agent, precipitating reagent and neutralization Agent.
B, microbubble being passed through in A product by bubble access tube, is stirred, the suspended matter in A product is captured absorption by microbubble, So that suspended material is floated, remove SS and grease pollutant, after standing 10-30min, obtaining clarified solution is B product；
C, B product are taken to be detected respectively by several detectors, if testing result is up to standard, for C product；If testing result In the presence of not up to standard, then the floating material on B product surface and the sediment at sedimentation basin bottom are first removed, direct current is then passed to, every time electricity The solution time be 2-4min, interval time 1-2min, keep 10-20min, then control corresponding pharmacy jar again dosing, stirring, It is passed through microbubble and detection, until testing result is up to standard, obtains C product；
Wherein, it if colorimetric detection is not up to standard, controls pharmacy jar and adds decolorising agent again；If SS detection is not up to standard, control Pharmacy jar adds precipitating reagent again, if pH value detection is not up to standard, controls pharmacy jar and adds neutralizer again.
D, C product are introduced into biological treatment tank, C product impact on several baffle plates being interspersed up and down, one by one by folding The activated carbon fibre adhered on the filter membrane and filter membrane between spherical biologic packing material, adjacent baffle in flowing plate, is pressed It is filtered according to the sequence of biological decomposition, active carbon processing and film filtering by biological decomposition, active carbon processing and film layer by layer, wherein The filtering accuracy of filter membrane is incremented by successively from top to bottom, and Air Exposure, gas are carried out between adjacent baffle by aeration tube Body impacts biologic packing material, makes containing sufficient dissolved oxygen in C product, and come into full contact with biologic packing material, handles 0.5-1h, removes C Organic pollutant in product obtains D product；
E, it takes D product to be detected, if testing result reaches recycle water standard, obtains recycle-water；If testing result does not reach To recycle water standard, then organized enzyme is added to biological treatment tank, stirs biological treatment tank 10-30min, stands 0.5-1h, then D product are drawn into biological treatment tank upper end from biological treatment bottom of pond portion, repeat biological decomposition, active carbon processing, film filtering and inspection It surveys, until testing result reaches recycle water standard, obtains recycle-water.
Sedimentation basin in the step a includes reaction tank 11, and the upper end of reaction tank 11, which is equipped with, to be enclosed in outside reaction tank 11 Deslagging pond 12, the open end that reaction tank 11 is located on deslagging pond 12 is equipped with slag-draining device 2；The lower end of the reaction tank 11 is in It is trapezoidal, several pharmacy jars 13 and detector 14 are connected on reaction tank 11, detector 14 and pharmacy jar 13 correspond, reaction tank Stirring rod 15 and bubble access tube 16 are also connected on 11, bubble access tube 16 is equipped with the bubbler tube 17 being distributed vertically.
Pharmacy jar 13 includes decolorising agent tank, precipitating reagent tank and neutralizer tank, and detector 14 includes chromaticity detector 14, SS inspection Instrument 14 and pH value detector 14 are surveyed, chromaticity detector 14 is corresponding with decolorising agent tank, and SS detector 14 is corresponding with precipitating reagent tank, pH value Detector 14 is corresponding with neutralizer tank.
The slag-draining device 2 includes the conveyer belt 21 driven by driving motor, and conveyer belt 21 is equipped with several inclinations point The slag discharge plate 22 of cloth；The open end of the reaction tank 11 is equipped with slag-guiding plate 23, tilt angle and the slag discharge plate 22 of slag-guiding plate 23 Tilt angle is consistent.Slag discharge plate 22 is contacted with the water surface, when needing to remove the dross on surface, drives conveyer belt by driving motor 21 rotations scrape into the dross of water surface in deslagging pond 12 along slag-guiding plate 23 to drive slag discharge plate 22 mobile.
The outside of the bubbler tube 17 is equipped with strainer 171, and the lower section of bubble access tube 16 is connected with umbrella by connecting rod 181 Barrier plate 18.The strainer 171 of setting avoids impurities in water from blocking bubbler tube 17, the gas that can also spray bubble access tube 16 Bubble segmentation increases the quantity and specific surface area of bubble so that air pocket is refined as minute bubbles, when extending contact of the bubble with water body Between, improve the expulsion efficiency to suspended matter；The barrier plate 18 of the umbrella of setting, on the one hand with the lower end of the reaction tank of inverted trapezoidal 11 Cooperation, makes to form the bottom that sediment is smoothly deposited on reaction tank 11, convenient for discharge, on the other hand sediment is prevented to float.
Staggered several baffle plates 31, folding are equipped on the inner wall of biological treatment tank 3 in the step d from top to bottom One end of flowing plate 31 is connect with the side inner wall of biological treatment tank 3, the other end of baffle plate 31 and the other side of biological treatment tank 3 Communication port 32 is formed between inner wall, and spherical frame 33 is equipped on every layer of baffle plate 31, is equipped with biologic packing material in spherical frame 33 34, it is equipped with filter membrane 35 between adjacent baffle 31, is attached with activated carbon fibre close to 34 side of biologic packing material on filter membrane 35 36.The diameter of spherical frame 33 therein is greater than the bore of communication port 32, prevents spherical frame 33 from falling from baffle plate 31.Its In filter membrane 35 in polyline shaped be distributed, not only improve filter membrane 35 mounting stability, impact resistance and fastness, extend filtering The service life of film 35, and increase and connect with the contact surface of waste water, improve filter effect.
Circulating pump 41, detector 42 and aeration tube 43, the input pipe of circulating pump 41 are also connected on the biological treatment tank 3 Be connected to the bottom of pond of biological treatment tank 3, the efferent duct of circulating pump 41 is connect with the Chi Ding of biological treatment tank 3, detector 42 with follow 41 electrical connection of ring pump, the aeration head 44 of aeration tube 43 protrudes into corresponding with spherical frame 33 respectively in biological treatment tank 3.

Claims (10)

1. a kind of dyeing waste water film process and reuse technology, it is characterised in that: the following steps are included:
A, waste water is introduced in sedimentation basin, medicament is added to sedimentation basin by several pharmacy jars, stirred, stand 20-30min, Obtain A product；
B, microbubble is passed through in A product by bubble access tube, is stirred, after standing 10-30min, obtaining clarified solution is B product；
C, B product are taken to be detected, if testing result is up to standard, for C product；If testing result presence is not up to standard, first removal drift Floating object and sediment, then pass to direct current electrolysis 10-20min, then control corresponding pharmacy jar again dosing, stir, be passed through Microbubble and detection obtain C product until testing result is up to standard；
D, C product are introduced into biological treatment tank, C product impact on the baffle plate being interspersed up and down, one by one by baffle plate The activated carbon fibre adhered on filter membrane and filter membrane between spherical biologic packing material, adjacent baffle, by layer by layer Biological decomposition, active carbon processing and film filtering, handle 0.5-1h, obtain D product；
E, it takes D product to be detected, if testing result reaches recycle water standard, obtains recycle-water；If testing result does not reach back Then organized enzyme is added to biological treatment tank in water supply standard, stirs biological treatment tank 10-30min, 0.5-1h is stood, then by D product It is drawn into biological treatment tank upper end from biological treatment bottom of pond portion, repeats biological decomposition, active carbon processing, film filtering and detection, directly Reach recycle water standard to testing result, obtains recycle-water.
2. a kind of dyeing waste water film process according to claim 1 and reuse technology, it is characterised in that: the medicament includes Decolorising agent, precipitating reagent and neutralizer.
3. a kind of dyeing waste water film process according to claim 2 and reuse technology, it is characterised in that: in the step c Controlling corresponding pharmacy jar, dosing controls pharmacy jar and adds decolorising agent again specifically, if colorimetric detection is not up to standard again；If SS Detection is not up to standard, then controls pharmacy jar and add precipitating reagent again, if pH value detection is not up to standard, controls pharmacy jar and adds neutralization again Agent.
4. a kind of dyeing waste water film process according to claim 1 and reuse technology, it is characterised in that: in the step c Electrolysis be compartment electrolysis, each electrolysis time be 2-4min, interval time 1-2min, keep 10-20min.
5. a kind of dyeing waste water film process according to claim 1 and reuse technology, it is characterised in that: in the step d, Biological decomposition, active carbon processing and film filtering layer by layer is repeated according to the sequence of biological decomposition, active carbon processing and film filtering It carries out, wherein the filtering accuracy of filter membrane is incremented by successively from top to bottom.
6. a kind of dyeing waste water film process according to claim 1 and reuse technology, it is characterised in that: the step d, also Including carrying out jet-flow aeration processing between adjacent baffle by aeration tube, gas impacts biologic packing material.
7. a kind of dyeing waste water film process according to claim 1 and reuse technology, it is characterised in that: in the step a Sedimentation basin include reaction tank (11), the upper end of reaction tank (11), which is equipped with, is enclosed in the external deslagging pond (12) of reaction tank (11), Open end on deslagging pond (12) positioned at reaction tank (11) is equipped with slag-draining device (2)；The lower end of the reaction tank (11) is terraced in falling Shape, several pharmacy jars (13) and detector (14) are connected on reaction tank (11), and detector (14) and pharmacy jar (13) one are a pair of It answers, stirring rod (15) and bubble access tube (16) is also connected on reaction tank (11), bubble access tube (16) is equipped with vertical point The bubbler tube (17) of cloth.
8. a kind of dyeing waste water film process according to claim 7 and reuse technology, it is characterised in that: the slag-draining device It (2) include the conveyer belt (21) driven by driving motor, conveyer belt (21) is equipped with the slag discharge plate (22) of several tilt distributions； The open end of the reaction tank (11) is equipped with slag-guiding plate (23), the tilt angle of slag-guiding plate (23) and the inclination angle of slag discharge plate (22) Degree is consistent.
9. a kind of dyeing waste water film process according to claim 7 and reuse technology, it is characterised in that: the bubbler tube (17) outside is equipped with strainer (171), and the lower section of bubble access tube (16) is connected with the barrier plate of umbrella by connecting rod (181) (18)。
10. a kind of dyeing waste water film process according to claim 1 and reuse technology, it is characterised in that: in the step d Biological treatment tank (3) inner wall on from top to bottom be equipped with staggered several baffle plates (31), one end of baffle plate (31) Connect with the side inner wall of biological treatment tank (3), the other side inner walls of the other end of baffle plate (31) and biological treatment tank (3) it Between form communication port (32), be equipped with spherical frame (33) on every layer of baffle plate (31), filled out in spherical frame (33) equipped with biology Expect (34), be equipped with filter membrane (35) between adjacent baffle (31), adheres on filter membrane (35) close to biologic packing material (34) side Active Carbon fibe (36).
CN201910783070.1A 2019-08-23 2019-08-23 Printing and dyeing wastewater membrane treatment and recycling process Active CN110482790B (en)

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CN201910783070.1A CN110482790B (en) 2019-08-23 2019-08-23 Printing and dyeing wastewater membrane treatment and recycling process

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Application Number Priority Date Filing Date Title
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WO1996031439A1 (en) * 1995-04-06 1996-10-10 International Organic Solutions Corp. Sewage and contamination remediation and materials for effecting same
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CN114195253A (en) * 2022-01-14 2022-03-18 四川旅发环保科技有限公司 Plate type MBR (membrane bioreactor) membrane filtering device for fecal sewage treatment system

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Denomination of invention: A membrane treatment and reuse process for printing and dyeing wastewater

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