CN109956601A - A kind of coated glass production wastewater recycling process and recyclable device - Google Patents

A kind of coated glass production wastewater recycling process and recyclable device Download PDF

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Publication number
CN109956601A
CN109956601A CN201910338757.4A CN201910338757A CN109956601A CN 109956601 A CN109956601 A CN 109956601A CN 201910338757 A CN201910338757 A CN 201910338757A CN 109956601 A CN109956601 A CN 109956601A
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water
waste water
filter
edging
pond
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CN201910338757.4A
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CN109956601B (en
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阮洪良
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ZHEJIANG JIAFU GLASS CO Ltd
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ZHEJIANG JIAFU GLASS CO Ltd
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/24Treatment of water, waste water, or sewage by flotation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/30Treatment of water, waste water, or sewage by irradiation
    • C02F1/32Treatment of water, waste water, or sewage by irradiation with ultraviolet light
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/444Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/50Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5281Installations for water purification using chemical agents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/72Treatment of water, waste water, or sewage by oxidation
    • C02F1/76Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F2001/007Processes including a sedimentation step
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/20Heavy metals or heavy metal compounds
    • C02F2101/203Iron or iron compound
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/20Heavy metals or heavy metal compounds
    • C02F2101/206Manganese or manganese compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/12Nature of the water, waste water, sewage or sludge to be treated from the silicate or ceramic industries, e.g. waste waters from cement or glass factories
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/11Turbidity
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/04Disinfection
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/18Removal of treatment agents after treatment
    • C02F2303/185The treatment agent being halogen or a halogenated compound
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/34Biological treatment of water, waste water, or sewage characterised by the microorganisms used

Abstract

The present invention relates to coated glasses to produce technical field of wastewater recovery, in particular a kind of coated glass production wastewater recycling process and recyclable device, the following steps are included: production solution, precipitating pretreatment, flotation tank aeration, chemical reaction, secondary flotation tank aeration, filter, chlorine residue reduction, hyperfiltration treatment and ultraviolet sterilization processing, it is by the way that the pure water after use to be injected into the waste water of edging operation, utilize the suspension glass granules adhesion of microorganisms cenobium in edging waste water, using add flocculant increase adhesiving effect, it is aerated by flotation tank, the mode of quartz sand pressureless penetration filtering, which completely removes, sticks object, the raw water being recycled as pure water water, pass through being recycled after pure water use, it reduces production cost while also reducing environmental pollution.

Description

A kind of coated glass production wastewater recycling process and recyclable device
Technical field
The present invention relates to coated glasses to produce technical field of wastewater recovery, and specially a kind of coated glass produces Sewage treatment Technique and recyclable device.
Background technique
The generation of raw photovoltaic glass sheets deep processing cleaning waste water: in order to improve the surface cleanliness after photovoltaic glass tempering, And make glass quickly, uniform decrease in temperature to guarantee production efficiency, reduce energy consumption, need to be clear to being carried out after photovoltaic glass tempering using pure water Wash cooling.It can residual glass coating liquid (a kind of composite nano-grade material made of transparent agent) in waste water after cleaning.Plating Film liquid is water-insoluble property material, can be slowly precipitated in waste water after cleaning, and due to glass cleaning after water temperature about 35 DEG C, easily breed bacterium in water, the bacterium of growth and high molecular film liquid residue form a kind of suspension, sticky paste in water Cenobium, agent-feeding treatment mode is difficult to kill the bacterium in cenobium, and use filter filtering when be easy to cause filter Blocking.
Summary of the invention
It is above-mentioned to solve the purpose of the present invention is to provide a kind of coated glass production wastewater recycling process and recyclable device The problem of being proposed in background technique.
To achieve the above object, the invention provides the following technical scheme:
A kind of coated glass production wastewater recycling process, which comprises the following steps:
Step 1: production solution: the glass powder that can generate particle very little when glass edging being collected, and by glass powder The mixed solution of emulsion form is formed after mixing with water;This " lotion " can be regarded into as a filter on microcosmic;
Step 2: precipitating pretreatment: collecting and mix coated glass production waste water by irrigation canals and ditches with above-mentioned mixed solution Afterwards in common water conservancy diversion to edging waste water preliminary sedimentation conditioning tank, by adding flocculant (ALO2) make glass powder assemble after sunk It forms sediment;It can be deposited to when cenobium specific gravity is bigger than water after the glass powder of microorganism cenobium adherency is more with merging for microorganism cenobium Preliminary sedimentation adjusts bottom of pond portion;
Step 3: a flotation tank aeration: pretreated waste water is extracted into a flotation tank through water pump, and flocculation is added Agent, then by carrying out Air Exposure with the precipitation-air-flotation processing unit in flotation tank, the waste water after Air Exposure is stored in edging Clear water reserviors;
Step 4: waste water dosing is sterilized: the waste water after Air Exposure being extracted into waste water from edging clear water reserviors with water pump and is adjusted Pond adds sodium hypochlorite fungicide in conduit entrance when drawing water, and concentration control has diving to expose in 0.5ppm/L, in wastewater equalization pond Air pump is stirred waste water;
Step 5: chemical reaction: the waste water after waste water dosing sterilization processing is drawn into chemical reaction case simultaneously with water pump And it is sufficiently mixed and reacts with organic sulfur compound medicament in chemical reaction case;
Step 6: secondary flotation tank aeration: being aerated by depth flotation tank to the waste water further progress after chemical reaction Processing;The microorganism and algae that S4 is generated accelerate the sulfide grain generated in precipitating S5;
Step 7: filter: the waste water after secondary deep air bearing aeration enters filter, waste water by from a manner of permeating into Row filtering;Because being substantially free of the impurity of bulky grain in prime treated water, it is main it is remaining is micro flocculate, such as adopt With pressure-bearing type filter, flocculate passes through filter after dissipating again;
Step 8: chlorine residue restores: enter chlorine residue after filtered waste water and restore pond, detects chlorine residue residual concentration in water, and Chlorine residue reducing agent is added, by chlorine residue control in water in 0.2ppm/L;
Step 9: hyperfiltration treatment: carrying out ultrafiltration;
Step 10: ultraviolet sterilization is handled: the water after ultrafiltration is further sterilized by pipeline type ultraviolet sterilizer, and will Water injected clear water after sterilization carries out reuse.
In above-mentioned coated glass production wastewater recycling process, in the step 2 waste water in preliminary sedimentation conditioning tank when Between be greater than 3 hours.
In above-mentioned coated glass production wastewater recycling process, the filter in the step 7 is to have filtering concurrently and remove Ferrimanganic function opened type manganese sand filter.
In above-mentioned coated glass production wastewater recycling process, the organic sulfur compound medicament in the step 5 is TMT15, adding consistency 6%~8%.Preferably 7%~7.5%.
In above-mentioned coated glass production wastewater recycling process, treated that water turbidity is less than or waits for the step 6 In 10NTU.
In above-mentioned coated glass production wastewater recycling process, treated that water turbidity is less than or waits for the step 7 In 5NTU.
In above-mentioned coated glass production wastewater recycling process, treated that water turbidity is less than or waits for the step 9 In 3NTU.
A kind of coated glass using above-mentioned technique produces waste water reclaiming device, which is characterized in that including solution mixing pit, It is anti-that coated glass produces wastewater disposal basin, edging waste water preliminary sedimentation conditioning tank, a flotation tank, edging clear water reserviors, wastewater equalization pond, chemistry Answer case, depth flotation tank, filter, chlorine residue reduction pond, ultrafiltration apparatus and ultraviolet sterilizer, the solution mixing pit and plated film It is connected between glass production wastewater disposal basin by irrigation canals and ditches, the edging waste water preliminary sedimentation conditioning tank is connected with irrigation canals and ditches, described primary Between flotation tank and edging waste water preliminary sedimentation conditioning tank, between edging clear water reserviors and a flotation tank, wastewater equalization pond and edging it is clear Between pond, between wastewater equalization pond and edging clear water reserviors, between chemical reaction case and wastewater equalization pond, depth flotation tank and change Learn between reaction chamber, between filter and depth flotation tank, between chlorine residue reduction pond and filter, ultrafiltration apparatus and chlorine residue reduction It respectively carries out pumping with water pipe by water pump between pond to connect, the ultraviolet sterilizer is connected with ultrafiltration apparatus.
In above-mentioned coated glass production waste water reclaiming device, the ultraviolet sterilizer is duct type sterilizer, and Ultraviolet sterilizer is connected with the outlet pipe of ultrafiltration apparatus.
In above-mentioned coated glass is produced in waste water reclaiming device, is provided between the depth flotation tank and filter Between water tank, be connected between the intermediate water tank and depth flotation tank by water pump and water pipe, the filter be opened type manganese Sand filter, the water outlet of the intermediate water tank are located at the top of filter.
Compared with prior art, the present invention utilizes mill by the way that the pure water after use to be injected into the waste water of edging operation Suspension glass granules adhesion of microorganisms cenobium in the waste water of side, using adding flocculant to increase adhesiving effect, be aerated by flotation tank, The mode of quartz sand pressureless penetration filtering, which completely removes, sticks object, and the raw water being recycled as pure water water passes through pure water Being recycled after use reduces production cost while also reducing environmental pollution.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is some processes flow diagram of the invention.
Fig. 3 is the present invention treated water quality indicator.
In figure: 1, solution mixing pit;2, coated glass produces wastewater disposal basin;3, edging waste water preliminary sedimentation conditioning tank;4, primary gas Floating pond;5, edging clear water reserviors;6, wastewater equalization pond;7, case is chemically reacted;8, depth flotation tank;9, filter;10, chlorine residue restores Pond;11, ultrafiltration apparatus;12, ultraviolet sterilizer;13, irrigation canals and ditches;14, precipitation-air-flotation processing unit;15, Submersible aeration pump;16, Automatic Dosing detector;17, doser;18, clear water reserviors.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments, is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present invention provides a kind of technical solution:
A kind of coated glass production waste water reclaiming device using above-mentioned technique, which is characterized in that including solution mixing pit 1, coated glass produces wastewater disposal basin 2, edging waste water preliminary sedimentation conditioning tank 3, flotation tanks 4, an edging clear water reserviors 5, wastewater equalization pond 6, case 7, depth flotation tank 8, filter 9, chlorine residue reduction pond 10, ultrafiltration apparatus 11, ultraviolet sterilizer 12 and clear are chemically reacted Pond 18 is connected between solution mixing pit 1 and coated glass production wastewater disposal basin 2 by irrigation canals and ditches 13, and edging waste water preliminary sedimentation is adjusted Pond 3 is connected with irrigation canals and ditches 13, between a flotation tank 4 and edging waste water preliminary sedimentation conditioning tank 3, edging clear water reserviors 5 and an air bearing Between pond 4, between wastewater equalization pond 6 and edging clear water reserviors 5, between wastewater equalization pond 6 and edging clear water reserviors 5, chemical reaction case 7 Between wastewater equalization pond 6, between depth flotation tank 8 and chemical reaction case 7, between filter 9 and depth flotation tank 8, chlorine residue Pumping company is respectively carried out by water pump and water pipe between reduction pond 10 and filter 9, between ultrafiltration apparatus 11 and chlorine residue reduction pond 10 It connects, ultraviolet sterilizer 12 is connected with ultrafiltration apparatus 11, and wherein ultraviolet sterilizer 12 is duct type sterilizer, and ultraviolet light Sterilizer 12 is connected with the outlet pipe of ultrafiltration apparatus 11, and precipitation-air-flotation processing unit 14 is provided in a flotation tank 4, precipitating Air flotation processing device 14 is the rectangular configuration for having two kinds of functions of precipitating and air bearing concurrently;It is provided in chlorine residue reduction pond 10 automatically controlled System manipulates and is used to detect the Automatic Dosing detector 16 of chlorine residue residual concentration in water and for adding adding for chlorine residue reducing agent Medicine device 17, precipitation-air-flotation processing unit 14, Automatic Dosing detector 16 and doser 17 are existing equipment.
Further, it is provided with backwashing pump between clear water reserviors 18 and ultrafiltration apparatus 11, can be improved ultrafiltration apparatus 11 Filter effect.
Further, intermediate water tank 20 is additionally provided between depth flotation tank 8 and filter 9, first by waste water lifting in Between water tank, then leaked down by intermediate water tank, cooperate opened type manganese sand filter 9, filter effect is more preferable.
Workflow of the present invention:
Step 1: production solution: the glass powder that can generate particle very little when glass edging being collected, and by glass powder The mixed solution of emulsion form is formed after mixing with water;
Step 2: precipitating pretreatment: collecting and mix coated glass production waste water by irrigation canals and ditches 13 with above-mentioned mixed solution After conjunction in common water conservancy diversion to edging waste water preliminary sedimentation conditioning tank 3, carried out after by addition flocculant (ALO2) glass powder being assembled Precipitating, sedimentation time are greater than 3 hours;
Step 3: a flotation tank 4 is aerated: pretreated waste water is extracted into a flotation tank 4 through water pump, and wadding is added Solidifying agent, then by carrying out Air Exposure with the precipitation-air-flotation processing unit 14 in flotation tank, the waste water after Air Exposure is stored in Edging clear water reserviors 5;
Step 4: waste water dosing is sterilized: the waste water after Air Exposure being extracted into waste water from edging clear water reserviors 5 with water pump and is adjusted Pond 6 adds sodium hypochlorite fungicide in conduit entrance when drawing water, and concentration controls in 0.5ppm/L, has diving in wastewater equalization pond 6 Aeration pump is stirred waste water;
Step 5: chemical reaction: the waste water after waste water dosing sterilization processing is drawn into chemical reaction case 7 simultaneously with water pump And it is sufficiently mixed and reacts with organic sulfur compound medicament in chemical reaction case 7;
Step 6: secondary flotation tank aeration: being aerated by the waste water further progress after 8 pairs of depth flotation tank chemical reactions Processing;The microorganism and algae that S4 is generated accelerate the sulfide grain generated in precipitating S5;
Step 7: filter 9: the waste water after secondary deep air bearing aeration enters opened type manganese sand filter 9, and waste water is with certainly The mode of infiltration is filtered;
Step 8: chlorine residue restores: enter chlorine residue after filtered waste water and restore pond 10, detects chlorine residue residual concentration in water, And chlorine residue reducing agent is added, by chlorine residue control in water in 0.2ppm/L;
Step 9: hyperfiltration treatment: carrying out ultrafiltration;
Step 10: ultraviolet sterilization is handled: the water after ultrafiltration is further sterilized by pipeline type ultraviolet sterilizer 12, and Water after sterilization is injected into clear water reserviors 18 and carries out reuse.
Water quality indicator that treated such as Fig. 3.
Working principle of the present invention is as follows: the mixed solution of obtained emulsion form in step 1, come up can be with microcosmic Regard a filtration system as, carrying out mixing to coated glass production waste water by the filtration system can be improved sedimentation effect, special It is not that can accelerate merging for glass powder and microorganism cenobium in edging waste water preliminary sedimentation conditioning tank, when micro- after adding flocculant After the glass powder of biological cenobium adherency is more, 3 bottom of edging waste water preliminary sedimentation conditioning tank can be deposited to when cenobium specific gravity is bigger than water;It is heavy Treated waste water form sediment using the booster action of flotation tank 4 aeration and flocculant dosing, water pollutant is made to be easy to heavy It drops and floats and remove, air bearing can remove suspended matter and floating material etc. not easily settled in water body, and sedimentation can remove easily heavy in water body The granule foreign of drop;Concentration is added to control the sodium hypochlorite fungicide in 0.5ppm/L in conduit entrance when waste water dosing is sterilized, And waste water is stirred by the Submersible aeration pump 15 in wastewater equalization pond 6, it is sufficiently mixed medicament, improves germicidal efficiency, The growth that oxygenic aeration can improve water body chroma, prevent microorganism and algae simultaneously, and can be with oxidized portion reproducibility gold Belong to ion, reduce COD;The major function for chemically reacting case 7 is to make waste water and organic sulfur compound medicament (TMT15, adding consistency 7.5%) it is sufficiently mixed reaction, so that heavy metal ion in water is formed easily settled sulfide grain, so as in subsequent treatment process Form precipitating removal;Depth flotation tank 8 can be further processed the microorganism and algae of step 4 generation, accelerate in settling step 5 The sulfide grain of generation;Filtration with manganese sand has the dual function of filtering and removing of iron and manganese concurrently, allows water to filter in a manner of from infiltration, phase Than pressure-bearing type filter, due to being substantially free of the impurity of bulky grain in prime treated water, it is main it is remaining is micro Flocculate, flocculate pass through filter after will not dissipating again again, and filter effect is more preferable;Ultrafiltration can be effectively removed having in water Machine object, colloid, iron, manganese etc., strong to the adsorption capacity of greasy dirt, relatively conventional active carbon filter, it is not easy viscous oil, just In cleaning the characteristics of, be more suitable for the protection to the reverse osmosis mould group of pure water;After ultraviolet sterilization processing, bacterium in water can be inhibited Breeding, treated, and water can be injected that clear water carries out reuse.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (10)

1. a kind of coated glass produces wastewater recycling process, which comprises the following steps:
Step 1: production solution: the glass powder that can generate particle very little when glass edging being collected, and by glass powder and water The mixed solution of emulsion form is formed after mixing;This " lotion " can be regarded into as a filter on microcosmic;
Step 2: precipitating pretreatment: after coated glass production waste water is collected and mixed by irrigation canals and ditches with above-mentioned mixed solution altogether With in water conservancy diversion to edging waste water preliminary sedimentation conditioning tank, pass through addition flocculant (ALO2) make glass powder assemble after precipitated;With The fusion of microorganism cenobium can be deposited to preliminary sedimentation after the glass powder of microorganism cenobium adherency is more when cenobium specific gravity is bigger than water Adjust bottom of pond portion;
Step 3: a flotation tank aeration: pretreated waste water is extracted into a flotation tank through water pump, and flocculant is added, Again by carrying out Air Exposure with the precipitation-air-flotation processing unit in flotation tank, the waste water after Air Exposure is stored in edging clear water Pond;
Step 4: waste water dosing is sterilized: the waste water after Air Exposure being extracted into wastewater equalization pond from edging clear water reserviors with water pump, is taken out Add sodium hypochlorite fungicide in conduit entrance when water, concentration controls in 0.5ppm/L, there is Submersible aeration pump in wastewater equalization pond Waste water is stirred;
Step 5: chemical reaction: by the waste water after waste water dosing sterilization processing with water pump be drawn into chemical reaction case in and with Organic sulfur compound medicament is sufficiently mixed reaction in chemical reaction case;
Step 6: secondary flotation tank aeration: by depth flotation tank to the waste water further progress Air Exposure after chemical reaction; The microorganism and algae that S4 is generated accelerate the sulfide grain generated in precipitating S5;
Step 7: filter: the waste water after secondary deep air bearing aeration enters filter, and waste water carried out in a manner of from infiltration Filter;Because being substantially free of the impurity of bulky grain in prime treated water, it is main it is remaining is micro flocculate, as using holding Pressure type filter, flocculate pass through filter after dissipating again;
Step 8: chlorine residue restores: entering chlorine residue after filtered waste water and restore pond, detect chlorine residue residual concentration in water, and add Chlorine residue reducing agent, by chlorine residue control in water in 0.2ppm/L;
Step 9: hyperfiltration treatment: carrying out ultrafiltration;
Step 10: ultraviolet sterilization is handled: the water after ultrafiltration is further sterilized by pipeline type ultraviolet sterilizer, and will sterilization Water injected clear water afterwards carries out reuse.
2. a kind of coated glass according to claim 1 produces wastewater recycling process, it is characterised in that: in the step 2 Time of the waste water in preliminary sedimentation conditioning tank is greater than 3 hours.
3. a kind of coated glass according to claim 1 produces wastewater recycling process, it is characterised in that: in the step 7 Filter be have filtering and removing of iron and manganese function opened type manganese sand filter concurrently.
4. a kind of coated glass according to claim 1 produces wastewater recycling process, it is characterised in that: in the step 5 Organic sulfur compound medicament be TMT15, adding consistency 6%~8%.
5. a kind of coated glass according to claim 1 produces wastewater recycling process, it is characterised in that: at the step 6 Water turbidity after reason is less than or equal to 10NTU.
6. a kind of coated glass according to claim 1 produces wastewater recycling process, it is characterised in that: at the step 7 Water turbidity after reason is less than or equal to 5NTU.
7. a kind of coated glass according to claim 1 produces wastewater recycling process, it is characterised in that: at the step 9 Water turbidity after reason is less than or equal to 3NTU.
8. a kind of coated glass using above-mentioned technique produces waste water reclaiming device, which is characterized in that including solution mixing pit, plating Film glass produces wastewater disposal basin, edging waste water preliminary sedimentation conditioning tank, a flotation tank, edging clear water reserviors, wastewater equalization pond, chemical reaction Case, depth flotation tank, filter, chlorine residue reduction pond, ultrafiltration apparatus and ultraviolet sterilizer, the solution mixing pit and plated film glass It is connected between glass production wastewater disposal basin by irrigation canals and ditches, the edging waste water preliminary sedimentation conditioning tank is connected with irrigation canals and ditches, the primary gas Between floating pond and edging waste water preliminary sedimentation conditioning tank, between edging clear water reserviors and a flotation tank, wastewater equalization pond and edging clear water Between pond, between wastewater equalization pond and edging clear water reserviors, between chemical reaction case and wastewater equalization pond, depth flotation tank and chemistry Between reaction chamber, between filter and depth flotation tank, between chlorine residue reduction pond and filter, ultrafiltration apparatus and chlorine residue restore pond Between pumping respectively carried out with water pipe by water pump connect, the ultraviolet sterilizer is connected with ultrafiltration apparatus.
9. coated glass according to claim 8 produces waste water reclaiming device, which is characterized in that the ultraviolet sterilizer For duct type sterilizer, and ultraviolet sterilizer is connected with the outlet pipe of ultrafiltration apparatus.
10. coated glass according to claim 8 produces waste water reclaiming device, which is characterized in that the depth flotation tank It is provided with intermediate water tank between filter, is connected between the intermediate water tank and depth flotation tank by water pump and water pipe, The filter is opened type manganese sand filter, and the water outlet of the intermediate water tank is located at the top of filter.
CN201910338757.4A 2019-04-25 2019-04-25 Coated glass production wastewater recovery process and recovery device Active CN109956601B (en)

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CN201910338757.4A CN109956601B (en) 2019-04-25 2019-04-25 Coated glass production wastewater recovery process and recovery device

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CN106396218A (en) * 2016-11-30 2017-02-15 合肥亿福自动化科技有限公司 Purified water recycling system for glass coating film production line
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