CN110862175A - Wall-mounted balcony washing machine wastewater collection and purification treatment device and treatment method thereof - Google Patents
Wall-mounted balcony washing machine wastewater collection and purification treatment device and treatment method thereof Download PDFInfo
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- CN110862175A CN110862175A CN201911108893.0A CN201911108893A CN110862175A CN 110862175 A CN110862175 A CN 110862175A CN 201911108893 A CN201911108893 A CN 201911108893A CN 110862175 A CN110862175 A CN 110862175A
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- 238000001179 sorption measurement Methods 0.000 claims abstract description 74
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- 238000001914 filtration Methods 0.000 claims abstract description 51
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 28
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- 238000006243 chemical reaction Methods 0.000 claims description 11
- KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 claims description 10
- 239000002131 composite material Substances 0.000 claims description 7
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- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims description 5
- 235000013162 Cocos nucifera Nutrition 0.000 claims description 5
- 244000060011 Cocos nucifera Species 0.000 claims description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 5
- 239000003513 alkali Substances 0.000 claims description 5
- 239000000440 bentonite Substances 0.000 claims description 5
- 229910000278 bentonite Inorganic materials 0.000 claims description 5
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 5
- 239000003729 cation exchange resin Substances 0.000 claims description 5
- 239000010881 fly ash Substances 0.000 claims description 5
- 238000003973 irrigation Methods 0.000 claims description 5
- 230000002262 irrigation Effects 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 5
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- 229910052709 silver Inorganic materials 0.000 claims description 5
- 239000004332 silver Substances 0.000 claims description 5
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 claims description 4
- 229910000360 iron(III) sulfate Inorganic materials 0.000 claims description 4
- 230000005855 radiation Effects 0.000 claims description 2
- 230000009471 action Effects 0.000 abstract description 3
- 239000008394 flocculating agent Substances 0.000 description 11
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 8
- 150000001875 compounds Chemical class 0.000 description 8
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- 238000013329 compounding Methods 0.000 description 4
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 4
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- 238000005273 aeration Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
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- 241000251468 Actinopterygii Species 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- 239000004155 Chlorine dioxide Substances 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 235000019398 chlorine dioxide Nutrition 0.000 description 2
- 230000001112 coagulating effect Effects 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 238000004332 deodorization Methods 0.000 description 2
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- 229910052751 metal Inorganic materials 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000020477 pH reduction Effects 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
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- 239000013589 supplement Substances 0.000 description 2
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- 239000002023 wood Substances 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
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- 238000010276 construction Methods 0.000 description 1
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- 239000003599 detergent Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
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- 238000005188 flotation Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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- 239000000126 substance Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
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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
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- 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
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- 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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- 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
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
- C02F2001/425—Treatment of water, waste water, or sewage by ion-exchange using cation exchangers
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
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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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/002—Grey water, e.g. from clothes washers, showers or dishwashers
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a waste water collecting and purifying treatment device and a waste water treating method for a wall-mounted balcony washing machine, which comprises the washing machine arranged on a balcony, and a water collecting tank, a multi-medium quick filter tank, a multi-medium adsorption tank and an ultraviolet disinfection tank which are sequentially arranged; the drain pipe of the washing machine is connected to a water collecting tank, and two layers of primary filter screens are arranged on the water collecting tank; the water collecting tank is connected to a multi-medium quick filter tank through a pressure pump, a quartz sand filter layer is arranged in the multi-medium quick filter tank, the multi-medium quick filter tank is connected to a multi-medium adsorption tank through the pressure pump, and replaceable adsorption type activated carbon is arranged in the multi-medium adsorption tank. The wastewater of the balcony washing machine is directly guided into the water collecting tank in the device, and under the combined action of the water collecting tank, the multi-medium quick filtering tank, the multi-medium adsorption tank and the ultraviolet disinfection tank, the wastewater of the balcony washing machine can be purified.
Description
Technical Field
The invention belongs to the field of wastewater purification treatment methods, and particularly relates to a wastewater collection and purification treatment device for a wall-mounted balcony washing machine and a treatment method thereof.
Background
At present, many residential quarters place washing machines on balconies so that the laundry wastewater containing a large amount of LAS enters the rain water canal system of the residential quarter through the rain water collecting vertical pipe of the balcony and is directly discharged into the water body near the residential quarter. The laundry wastewater is directly injected into a water body without being treated, and becomes a new hidden danger of polluting a water environment. The main pollution component LAS of the laundry wastewater can inhibit and kill microorganisms in water, can cause great harm to fishes and aquatic animals, can form colloid particles with certain dispersibility after being combined with other pollutants, and has great influence on physicochemical and biochemical characteristics of industrial wastewater and domestic sewage. Although some households also flush toilets by using the waste water, the total reuse amount is small, a large amount of waste water is discharged, the reuse rate of water resources is low, and the sewage treatment cost is high. According to the main characteristics of the laundry wastewater, the treatment process mainly comprises a chemical coagulation method, a biological contact oxidation method, a method combining physicochemical and biochemical processes and the like.
The method mainly comprises the following treatment processes: (1) the coagulation-sedimentation process mainly comprises three units of pretreatment, mixed reaction and sedimentation and sludge treatment. The wastewater treatment process has the advantages of simple flow, high operation efficiency and high adjustability, and can effectively remove SS and LAS, the removal rate of C0D reaches 60-70%, the removal rate of LA S reaches 80-90%, and the removal rate of chroma reaches 80-95%. In addition, the process has a certain capacity of resisting impact load; (2) the washing wastewater treatment and recycling process of the coagulating sedimentation-ceramsite filtration process selects polymeric ferric sulfate as a flocculating agent, wherein the COD removal rate is 90%, the chroma removal rate is 68%, and the SS removal rate is 85%. By experimental comparison, the polyaluminium chloride with the less coagulation effect can be selected from the viewpoint of cost. The coagulating sedimentation-ceramsite filtering process is simple, is suitable for indoor construction and installation, saves water and has better economic and environmental benefits; (3) and (4) flocculating and settling.
And (1) in the aspect of flocculant selection, selecting polyaluminium chloride as a flocculant from the optimal effect of the flocculant on removing chromaticity and suspended matters in water and the running cost of the flocculant. (2) Chlorine dioxide is selected from the aspects of good oxidation sterilization effect and small dosage. (3) The sludge dewatering mode has low selection cost and good effect, and a plate-and-frame filter-pressing dewatering device for continuously discharging residues is not needed. The process has stable treatment effect and low equipment cost, and the supernatant after flocculation and sedimentation treatment is mechanically filtered, subjected to chlorine dioxide oxidation sterilization treatment and subjected to pH regulation. The treated water reaches the standard of water for washing clothes, and the treatment effect on phosphorus is obvious. The physicochemical-biochemical combined wastewater treatment process comprises the following steps: (1) the air-float-aeration biological filter tank process is characterized by that it adds coagulant into the waste water to make demulsification and coagulation air-float so as to reduce the contents of pollutants of detergent, suspended matter and colloid in the water, then makes the above-mentioned materials pass through the aeration biological filter tank and make treatment so as to obtain the invented product. The gas-water ratio is more than 0.5, the removal rate of BOD5 reaches more than 80%, the removal rate of COD reaches more than 55% in the demulsification and coagulation air flotation process, the removal rate of COD in the aeration biological filter reaches 78.8%, the nitrification efficiency is high, and the water quality of the effluent reaches the Water quality Standard of miscellaneous Water for Life. The process has the advantages of small occupied area, high treatment efficiency, large water treatment amount and low energy consumption. (2) The combined air flotation-hydrolysis-contact oxidation process can efficiently remove pollutants and chroma and adjust the pH value. The process nitrifies the sludge generated by biological contact oxidation through hydrolytic acidification, so that the formed sludge is greatly reduced. (3) The COD removal rate of the coagulation sedimentation, hydrolytic acidification and secondary contact oxidation process reaches 86 percent, the chroma removal rate reaches 90 percent, and the BOD5 removal rate reaches 92 percent. The process has the advantages of simple operation, easy maintenance, less sludge generation amount and good settleability.
These methods are not suitable for use by each household.
However, most of the existing wastewater treatment methods are complex in process and complicated in flow, and are not very suitable for the use of wastewater of balcony washing machines of every household, and most of the existing treatment processes are high in cost and expensive in raw materials, so that a purification treatment device and a treatment method which are simple in process and can simply treat wastewater of balcony washing machines are urgently needed.
Disclosure of Invention
The invention aims to provide a waste water collecting and purifying treatment device of a wall-mounted balcony washing machine aiming at the defects in the prior art; the technical scheme is as follows:
a wall-hanging balcony washing machine wastewater collection and purification treatment device comprises a washing machine arranged on a balcony, and a water collection tank, a multi-medium fast filter tank, a multi-medium adsorption tank and an ultraviolet disinfection tank which are sequentially arranged; the drain pipe of the washing machine is connected to a water collecting tank, and two layers of primary filter screens are arranged on the water collecting tank; the water collecting tank is connected to a multi-medium quick filter tank through a pressure pump, a quartz sand filter layer is arranged in the multi-medium quick filter tank, the multi-medium quick filter tank is connected to a multi-medium adsorption tank through the pressure pump, and replaceable adsorption type activated carbon is arranged in the multi-medium adsorption tank; the multi-medium adsorption box is connected with the ultraviolet disinfection box through a pressure pump; the ultraviolet ray disinfection box is also provided with an ultraviolet ray irradiation lamp; the water discharge end of the ultraviolet disinfection box is provided with two branches, and one branch is directly connected with a sewer pipe; the other is connected with a water storage tank which is connected with the washing machine through a pressure pump.
Preferably, the two primary filter screens in the water collecting tank are paved with replaceable filter membranes.
Preferably, a first filter plate and a second filter plate are arranged in the multi-medium adsorption tank from top to bottom, and both the first filter plate and the second filter plate are conical filter plates; a feeding pipe extending downwards is arranged in the middle of the upper end of the box body, and feeding openings are formed around the feeding pipe at the upper end of the box body; the throwing pipe penetrates through the first filter plate above the first filter plate and extends into the second filter plate above the second filter plate, and the adsorption type active carbon is correspondingly thrown onto the first filter plate and the second filter plate from the throwing port and the throwing pipe respectively.
Preferably, the side wall of the multimedia adsorption box is further provided with a discharge opening corresponding to the first filter plate and the second filter plate, and the discharge opening is further hinged with a sealing cover plate.
Preferably, the control valves are installed on the water discharge end of the ultraviolet disinfection box and on the two branches, and the water storage box is connected to the washing machine in a drip irrigation pipe mode.
The invention also discloses a treatment method of the waste water collecting and purifying treatment device for the wall-mounted balcony washing machine, which comprises the following steps:
1) primary filtering and flocculation treatment of the water collecting tank: after wastewater discharged by the washing machine enters a water collecting tank, the wastewater is treated by a double-layer primary filter process, weak acid cation exchange resin is arranged on a first layer of primary filter screen, and a double-layer microporous filter membrane is arranged on a second layer of primary filter screen; the inside compound flocculating agent that still is equipped with of header tank, compound flocculating agent includes following component with the mass calculation: 60-100 parts of diatomite-fly ash-modified polymeric ferric sulfate, 20-40 parts of organic flocculant and 10-20 parts of modified clay; the reaction residence time is 5-8 min;
2) multi-medium rapid filtration treatment: introducing the wastewater subjected to primary filtration and flocculation treatment into a multi-medium rapid filtration tank for multi-medium rapid filtration treatment, wherein a quartz sand filter layer is arranged in the multi-medium rapid filtration system; the specification of quartz sand used by the quartz sand filter layer is 40-60 meshes;
3) multi-medium adsorption treatment: the wastewater after the multi-medium rapid filtration treatment is connected to a multi-medium adsorption tank through a pressure pump, and replaceable adsorption type activated carbon is arranged in the multi-medium adsorption tank; the adsorption type activated carbon consists of 40% of silver-loaded activated carbon and the balance of coconut shell activated carbon by mass; the reaction residence time is 5-8 min;
4) ultraviolet disinfection treatment: the wastewater after adsorption treatment enters an ultraviolet disinfection box through a pressure pump; on one hand, the sterilization is carried out by an ultraviolet irradiation lamp, and a composite sterilization disinfectant is also arranged in an ultraviolet sterilization box, specifically, the sterilization disinfectant is formed by compounding quaternary ammonium salt sterilization disinfectant and peroxyacetic acid solution according to the mass ratio of 2: 1; the tail end of the water inlet pipe enters a water inlet pipe and a water outlet pipe through two branches, and the water outlet pipe is connected with a water storage tank through a pressure pump.
Furthermore, the pore size of the first microporous filter membrane in the double-layer microporous filter membrane in the step 1) is 12-15 μm, and the pore size of the second microporous filter membrane is 0.5-1.0 μm.
Furthermore, the diatomite-fly ash-modified polyferric sulfate is prepared by carrying out load modification on diatomite, fly ash and polyferric sulfate in a mass ratio of 3:2: 3.
Further, the modified clay is: the bentonite fine powder is roasted at 900-1100 ℃, then reacts with alkali, and is washed and filtered to obtain the modified clay with the average pore diameter of 3-6 nm.
Furthermore, the organic flocculant is a natural polymeric flocculant.
Has the advantages that: the invention has the following beneficial effects:
(1) the wastewater of the balcony washing machine is directly guided into the water collection tank, and is absorbed by the triple combination of resin, a double-layer microporous filter membrane and a flocculating agent in the water collection tank, so that the wastewater is softened firstly, part of harmful metal elements are filtered, and simultaneously, the wastewater enters the multi-medium rapid filter tank for filtration treatment through the quartz sand filter layer after flocculation precipitation purification, and the quartz sand material has a very good dephosphorization and denitrification function, can effectively degrade phosphate components in the wastewater of the washing machine, and eliminates toxic substances in the wastewater; then, the washing machine wastewater is subjected to ion adsorption, deodorization and the like through the adsorption type activated carbon in the multi-medium adsorption box, phosphoric acid can fully extend into wood chips due to the structure of the activated carbon, the absorption of the phosphoric acid can be correspondingly increased, two layers of replaceable activated carbon are arranged in the box body for adsorption, the adsorption function is increased, and finally, the purification of a water body is achieved through ultraviolet disinfection; the outlet water of the purified water body is controlled by a valve, part of water enters the balcony small ecological system through the drip irrigation pipe to be used as water supplement of the balcony small ecological system, and the small ecological system absorbs and removes the part of water; and the other part of water is discharged into a balcony sewer pipe through a hose, so that zero discharge of sewage is realized.
(2) The two layers of adsorption type active carbon in the multi-medium adsorption box in the device are replaceable; two layers of conical filter plates are arranged in the box body, and a discharge opening which can be sealed through a hinged sealing cover plate is arranged at the position of the side wall of the box body corresponding to the aluminum plate; when in use, the activated carbon on the first filter plate can be put in through the putting-in opening at the upper end of the box body; the active carbon on the second filter plate can be thrown in through a throwing pipe, the throwing pipe extends downwards from the upper end of the box body to penetrate through the first filter plate and is placed above the second filter plate, after the arrangement, the active carbon is thrown downwards from the upper end of the throwing pipe and directly falls onto the second filter plate, the second filter plate is of a conical structure, the thrown active carbon can slide downwards from the middle to two sides, and the filter plate is filled and leveled; when the activated carbon is replaced, the activated carbon directly slides out of the discharge opening under the action of the conical filter plate only by opening the sealing cover plates on the two sides of the filter plate, so that the discharging is convenient; the conical design of two filter plates not only has the advantage of conveniently throwing in the active carbon, still makes it convenient to unload simultaneously, and the mouth and the pipe of throwing in that the cooperation set up can conveniently change the active carbon of box inside.
Drawings
FIG. 1 is a schematic structural diagram of a wastewater collection and purification treatment device of a wall-mounted balcony washing machine according to the present invention;
FIG. 2 is a schematic structural diagram of the multi-media adsorption tank of the present invention.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific examples, which are carried out on the premise of the technical solution of the present invention, and it should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention.
Example 1:
as shown in fig. 1 and 2, a wall-hanging balcony washing machine wastewater collection and purification treatment device comprises a washing machine 1 installed on a balcony, and a water collection tank 2, a multi-media rapid filtration tank 3, a multi-media adsorption tank 4 and an ultraviolet disinfection tank 5 which are sequentially arranged; a drain pipe of the washing machine 1 is connected to the water collecting tank 2, and two layers of primary filter screens 6 are arranged on the water collecting tank 2; the water collecting tank 2 is connected into a multi-medium fast filtering tank 3 through a pressure pump 7, a quartz sand filtering layer 8 is arranged in the multi-medium fast filtering tank 3, the multi-medium fast filtering tank 3 is connected into a multi-medium adsorption tank 4 through the pressure pump 7, and replaceable adsorption type activated carbon 9 is arranged in the multi-medium adsorption tank 4; the multi-medium adsorption box 4 is connected with the ultraviolet disinfection box 5 through a pressure pump 7; the ultraviolet disinfection box 5 is provided with an ultraviolet radiation lamp 10; the water discharge end of the ultraviolet disinfection box 5 is provided with two branches, and one branch is directly connected with the sewer pipe 11; the other is connected with a water storage tank 12, and the water storage tank 12 is connected to the washing machine 1 through a booster pump 7; the two layers of primary filter screens 6 in the water collecting tank 2 are paved with replaceable filter membranes 13.
A first filter plate 41 and a second filter plate 42 are arranged in the multimedia adsorption tank 4 from top to bottom, and both the first filter plate and the second filter plate are conical filter plates; a downward extending throwing pipe 43 is arranged in the middle position of the upper end of the box body, and a throwing opening 44 is arranged around the throwing pipe 43 at the upper end part of the box body; the input pipe 43 penetrates the upper first filter plate 41 and extends to the upper part of the second filter plate 42, and the adsorption type activated carbon 9 is respectively input to the first filter plate 41 and the second filter plate 42 from the input port 44 and the input pipe 43.
The side wall of the multimedia adsorption box 4 is also provided with a discharge opening 45 corresponding to the positions of the first filter plate 41 and the second filter plate 42, and the discharge opening 45 is hinged with a sealing cover plate 46; preferably, a control valve is installed on the water discharge end of the ultraviolet sterilizing compartment 5 and on both branches, and the water storage tank 12 is connected to the washing machine 1 in the form of a drip irrigation pipe.
A treatment method of the waste water collecting and purifying treatment device of the wall-mounted balcony washing machine comprises the following steps:
1) primary filtering and flocculation treatment of the water collecting tank: after entering the water collection tank 2, the wastewater discharged by the washing machine 1 is treated by a double-layer primary filter process, wherein a weak acid cation exchange resin is arranged on a first layer of primary filter screen, and a double-layer microporous filter membrane is arranged on a second layer of primary filter screen; the aperture size of the first layer of microporous filter membrane is 12 mu m, and the aperture of the second layer of microporous filter membrane is 0.5 mu m; the inside compound flocculating agent that still is equipped with of header tank 2, compound flocculating agent includes following component with the mass calculation: 60 parts of diatomite-fly ash-modified polyferric sulfate, 20 parts of organic flocculant and 10 parts of modified clay; the diatomite-fly ash-modified polyferric sulfate is prepared by carrying out load modification on diatomite, fly ash and polyferric sulfate in a mass ratio of 3:2: 3; the modified clay comprises: roasting the bentonite fine powder at 900 ℃, then reacting with alkali, washing and filtering to obtain modified clay with the average pore diameter of 3 nm; the organic flocculant is a natural polymeric flocculant; the reaction residence time is 5 min;
2) multi-medium rapid filtration treatment: introducing the wastewater subjected to primary filtration and flocculation treatment into a multi-medium rapid filtration tank for multi-medium rapid filtration treatment, wherein a quartz sand filter layer is arranged in the multi-medium rapid filtration system; the specification of quartz sand used by the quartz sand filter layer is 40 meshes;
3) multi-medium adsorption treatment: the wastewater after the multi-medium rapid filtration treatment is connected into a multi-medium adsorption tank 4 through a pressure pump 7, and replaceable adsorption type activated carbon 9 is arranged in the multi-medium adsorption tank 4; the adsorption type active carbon 9 consists of 40% of silver-loaded active carbon and the balance of coconut shell active carbon by mass; the reaction residence time is 5 min;
4) ultraviolet disinfection treatment: the wastewater after adsorption treatment enters an ultraviolet disinfection box 5 through a pressure pump 7; on one hand, the sterilization is carried out by an ultraviolet irradiation lamp 10, and a composite sterilization disinfectant is also arranged in the ultraviolet sterilization box 5, specifically, the sterilization disinfectant is formed by compounding quaternary ammonium salt sterilization disinfectant and peroxyacetic acid solution according to the mass ratio of 2: 1; the tail ends of the water inlet pipe and the water outlet pipe respectively enter a sewer pipe 11 and a water storage tank 12 through two branches, and the water storage tank 12 is connected to the washing machine 1 through a booster pump 7.
The wastewater of the balcony washing machine is directly guided into the water collection tank, and is absorbed by the triple combination of resin, a double-layer microporous filter membrane and a flocculating agent in the water collection tank, so that the wastewater is softened firstly, part of harmful metal elements are filtered, and simultaneously, the wastewater enters the multi-medium rapid filter tank for filtration treatment through the quartz sand filter layer after flocculation precipitation purification, and the quartz sand material has a very good dephosphorization and denitrification function, can effectively degrade phosphate components in the wastewater of the washing machine, and eliminates toxic substances in the wastewater; then, the washing machine wastewater is subjected to ion adsorption, deodorization and the like through the adsorption type activated carbon in the multi-medium adsorption box, phosphoric acid can fully extend into wood chips due to the structure of the activated carbon, the absorption of the phosphoric acid can be correspondingly increased, two layers of replaceable activated carbon are arranged in the box body for adsorption, the adsorption function is increased, and finally, the purification of a water body is achieved through ultraviolet disinfection; the outlet water of the purified water body is controlled by a valve, part of water enters the balcony small ecological system through the drip irrigation pipe to be used as water supplement of the balcony small ecological system, and the small ecological system absorbs and removes the part of water; the other part of water is discharged into a balcony sewer pipe through a hose, so that zero discharge of sewage is realized
The two layers of adsorption type active carbon in the multi-medium adsorption box in the device are replaceable; two layers of conical filter plates are arranged in the box body, and a discharge opening which can be sealed through a hinged sealing cover plate is arranged at the position of the side wall of the box body corresponding to the aluminum plate; when in use, the activated carbon on the first filter plate can be put in through the putting-in opening at the upper end of the box body; the active carbon on the second filter plate can be thrown in through a throwing pipe, the throwing pipe extends downwards from the upper end of the box body to penetrate through the first filter plate and is placed above the second filter plate, after the arrangement, the active carbon is thrown downwards from the upper end of the throwing pipe and directly falls onto the second filter plate, the second filter plate is of a conical structure, the thrown active carbon can slide downwards from the middle to two sides, and the filter plate is filled and leveled; when the activated carbon is replaced, the activated carbon directly slides out of the discharge opening under the action of the conical filter plate only by opening the sealing cover plates on the two sides of the filter plate, so that the discharging is convenient; the conical design of two filter plates not only has the advantage of conveniently throwing in the active carbon, still makes it convenient to unload simultaneously, and the mouth and the pipe of throwing in that the cooperation set up can conveniently change the active carbon of box inside.
Example 2:
the rest of the implementation modes are the same as the implementation mode 1, but the difference is that the processing method comprises the following steps:
1) primary filtering and flocculation treatment of the water collecting tank: after entering the water collection tank 2, the wastewater discharged by the washing machine 1 is treated by a double-layer primary filter process, wherein a weak acid cation exchange resin is arranged on a first layer of primary filter screen, and a double-layer microporous filter membrane is arranged on a second layer of primary filter screen; the aperture size of the first layer of microporous filter membrane is 15 mu m, and the aperture of the second layer of microporous filter membrane is 1.0 mu m; the inside compound flocculating agent that still is equipped with of header tank 2, compound flocculating agent includes following component with the mass calculation: 100 parts of diatomite-fly ash-modified polyferric sulfate, 40 parts of organic flocculant and 20 parts of modified clay; the diatomite-fly ash-modified polyferric sulfate is prepared by carrying out load modification on diatomite, fly ash and polyferric sulfate in a mass ratio of 3:2: 3; the modified clay comprises: roasting the bentonite fine powder at 1100 ℃, then reacting with alkali, washing and filtering to obtain modified clay with the average pore diameter of 6 nm; the organic flocculant is a natural polymeric flocculant; the reaction residence time is 8 min;
2) multi-medium rapid filtration treatment: introducing the wastewater subjected to primary filtration and flocculation treatment into a multi-medium rapid filtration tank for multi-medium rapid filtration treatment, wherein a quartz sand filter layer is arranged in the multi-medium rapid filtration system; the specification of quartz sand used by the quartz sand filter layer is 60 meshes;
3) multi-medium adsorption treatment: the wastewater after the multi-medium rapid filtration treatment is connected into a multi-medium adsorption tank 4 through a pressure pump 7, and replaceable adsorption type activated carbon 9 is arranged in the multi-medium adsorption tank 4; the adsorption type active carbon 9 consists of 40% of silver-loaded active carbon and the balance of coconut shell active carbon by mass; the reaction residence time is 8 min;
4) ultraviolet disinfection treatment: the wastewater after adsorption treatment enters an ultraviolet disinfection box 5 through a pressure pump 7; on one hand, the sterilization is carried out by an ultraviolet irradiation lamp 10, and a composite sterilization disinfectant is also arranged in the ultraviolet sterilization box 5, specifically, the sterilization disinfectant is formed by compounding quaternary ammonium salt sterilization disinfectant and peroxyacetic acid solution according to the mass ratio of 2: 1; the tail ends of the water inlet pipe and the water outlet pipe respectively enter a sewer pipe 11 and a water storage tank 12 through two branches, and the water storage tank 12 is connected to the washing machine 1 through a booster pump 7.
Example 3:
the rest of the implementation modes are the same as the implementation mode 1, but the difference is that the processing method comprises the following steps:
1) primary filtering and flocculation treatment of the water collecting tank: after entering the water collection tank 2, the wastewater discharged by the washing machine 1 is treated by a double-layer primary filter process, wherein a weak acid cation exchange resin is arranged on a first layer of primary filter screen, and a double-layer microporous filter membrane is arranged on a second layer of primary filter screen; the aperture size of the first layer of microporous filter membrane is 14 μm, and the aperture of the second layer of microporous filter membrane is 0.8 μm; the inside compound flocculating agent that still is equipped with of header tank 2, compound flocculating agent includes following component with the mass calculation: 80 parts of diatomite-fly ash-modified polymeric ferric sulfate, 30 parts of organic flocculant and 15 parts of modified clay; the diatomite-fly ash-modified polyferric sulfate is prepared by carrying out load modification on diatomite, fly ash and polyferric sulfate in a mass ratio of 3:2: 3; the modified clay comprises: roasting the bentonite fine powder at 1000 ℃, then reacting with alkali, washing and filtering to obtain modified clay with the average pore diameter of 5 nm; the organic flocculant is a natural polymeric flocculant; the reaction residence time is 7 min;
2) multi-medium rapid filtration treatment: introducing the wastewater subjected to primary filtration and flocculation treatment into a multi-medium rapid filtration tank for multi-medium rapid filtration treatment, wherein a quartz sand filter layer is arranged in the multi-medium rapid filtration system; the specification of quartz sand used by the quartz sand filter layer is 50 meshes;
3) multi-medium adsorption treatment: the wastewater after the multi-medium rapid filtration treatment is connected into a multi-medium adsorption tank 4 through a pressure pump 7, and replaceable adsorption type activated carbon 9 is arranged in the multi-medium adsorption tank 4; the adsorption type active carbon 9 consists of 40% of silver-loaded active carbon and the balance of coconut shell active carbon by mass; the reaction residence time is 7 min;
4) ultraviolet disinfection treatment: the wastewater after adsorption treatment enters an ultraviolet disinfection box 5 through a pressure pump 7; on one hand, the sterilization is carried out by an ultraviolet irradiation lamp 10, and a composite sterilization disinfectant is also arranged in the ultraviolet sterilization box 5, specifically, the sterilization disinfectant is formed by compounding quaternary ammonium salt sterilization disinfectant and peroxyacetic acid solution according to the mass ratio of 2: 1; the tail ends of the water inlet pipe and the water outlet pipe respectively enter a sewer pipe 11 and a water storage tank 12 through two branches, and the water storage tank 12 is connected to the washing machine 1 through a booster pump 7.
The inlet and outlet water quality of examples 1-3 was tested and is shown in table 1:
table 1 examples 1-3 in-out water quality monitoring
| Test items | COD(mg/L) | Total nitrogen (mg/L) | Total phosphorus (mg/L) |
| Inflow water | 140-150 | 50-60 | 5.0-7.0 |
| Example 1 effluent | 25 | 5.5 | 0.2 |
| Example 2 effluent | 28 | 6.2 | 0.15 |
| Example 3 effluent | 26 | 6.5 | 0.3 |
As can be seen from Table 1, after the wastewater of the washing machine treated by the device and the treatment method provided by the invention is treated by the device, the quality of the effluent water reaches the first class A standard of pollutant discharge Standard of municipal wastewater treatment plant (GB 18918-2002). The COD removal rate is more than 80%, the total nitrogen removal rate is more than 87%, and the total phosphorus removal rate is more than 94%. Part of the purified water body can be stored and then directly put into a washing machine for recycling and can also be placed into a household fish tank; and the other part can be directly discharged through the drain pipe, has reasonable integral structure, can be used for treating the wastewater of the balcony washing machine, and is very convenient.
The above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the invention and the appended claims, and all equivalent changes and modifications made within the spirit and scope of the invention as claimed should be included in the appended claims.
Claims (10)
1. The utility model provides a wall-hanging balcony washing machine waste water collection purification unit which characterized in that: comprises a washing machine (1) arranged on a balcony, and a water collecting tank (2), a multi-medium quick filtering tank (3), a multi-medium adsorption tank (4) and an ultraviolet disinfection tank (5) which are arranged in sequence; a drain pipe of the washing machine (1) is connected to a water collecting tank (2), and two layers of primary filter screens (6) are arranged on the water collecting tank (2); the water collecting tank (2) is connected into the multi-medium quick filter tank (3) through a pressure pump (7), a quartz sand filter layer (8) is arranged in the multi-medium quick filter tank (3), the multi-medium quick filter tank (3) is connected into the multi-medium adsorption tank (4) through the pressure pump (7), and replaceable adsorption type activated carbon (9) is arranged in the multi-medium adsorption tank (4); the multi-medium adsorption box (4) is connected with the ultraviolet disinfection box (5) through a pressure pump (7); an ultraviolet radiation lamp (10) is arranged in the ultraviolet disinfection box (5); the water discharge end of the ultraviolet disinfection box (5) is provided with two branches, and one branch is directly connected with a sewer pipe (11); the other is connected with a water storage tank (12), and the water storage tank (12) is connected to the washing machine (1) through a booster pump (7).
2. The waste water collecting and purifying treatment device for the wall-hanging balcony washing machine as claimed in claim 1, wherein: and replaceable filtering membranes (13) are paved on the two layers of primary filtering screens (6) in the water collecting tank (2).
3. The waste water collecting and purifying treatment device for the wall-hanging balcony washing machine as claimed in claim 1, wherein: a first filter plate (41) and a second filter plate (42) are arranged in the multi-medium adsorption tank (4) from top to bottom, and the two filter plates are conical filter plates; a feeding pipe (43) extending downwards is further arranged in the middle position of the upper end of the box body, and feeding openings (44) are further formed in the periphery of the feeding pipe (43) at the upper end of the box body; the throwing pipe (43) penetrates through the first filter plate (41) above to extend above the second filter plate (42), and the adsorption type activated carbon (9) is correspondingly thrown onto the first filter plate (41) and the second filter plate (42) from the throwing port (44) and the throwing pipe (43) respectively.
4. The waste water collecting and purifying treatment device for the wall-hanging balcony washing machine as claimed in claim 3, wherein: the side wall of the multi-medium adsorption box (4) is also provided with a discharge opening (45) corresponding to the positions of the first filter plate (41) and the second filter plate (42), and the discharge opening (45) is hinged with a sealing cover plate (46).
5. The waste water collecting and purifying treatment device for the wall-hanging balcony washing machine as claimed in claim 1, wherein: control valves are arranged at the water discharge end of the ultraviolet disinfection box (5) and on the two branches, and the water storage tank (12) is connected to the washing machine (1) in a drip irrigation pipe mode.
6. The treatment method of the waste water collecting and purifying treatment device of the wall-hanging balcony washing machine as claimed in claim 1, is characterized by comprising the following steps:
1) primary filtering and flocculation treatment of the water collecting tank: after wastewater discharged by the washing machine (1) enters the water collecting tank (2), the wastewater is treated by a double-layer primary filter process, weak acid cation exchange resin is arranged on the first primary filter screen, and a double-layer microporous filter membrane is arranged on the second primary filter screen; the inside of the water collecting tank (2) is also provided with a composite flocculant, and the composite flocculant comprises the following components in percentage by mass: 60-100 parts of diatomite-fly ash-modified polymeric ferric sulfate, 20-40 parts of organic flocculant and 10-20 parts of modified clay; the reaction residence time is 5-8 min;
2) multi-medium rapid filtration treatment: introducing the wastewater subjected to primary filtration and flocculation treatment into a multi-medium rapid filtration tank for multi-medium rapid filtration treatment, wherein a quartz sand filter layer is arranged in the multi-medium rapid filtration system; the specification of quartz sand used by the quartz sand filter layer is 40-60 meshes;
3) multi-medium adsorption treatment: the wastewater after the multi-medium rapid filtration treatment is connected into a multi-medium adsorption tank (4) through a pressure pump (7), and replaceable adsorption type activated carbon (9) is arranged in the multi-medium adsorption tank (4); the adsorption type active carbon (9) consists of 40% of silver-loaded active carbon and the balance of coconut shell active carbon by mass; the reaction residence time is 5-8 min;
4) ultraviolet disinfection treatment: the wastewater after adsorption treatment enters an ultraviolet disinfection box (5) through a pressure pump (7); on one hand, the sterilization is carried out by an ultraviolet irradiation lamp (10), and a composite sterilization disinfectant is also arranged in the ultraviolet sterilization box (5), specifically, the sterilization disinfectant is compounded by quaternary ammonium salt sterilization disinfectant and peroxyacetic acid solution according to the mass ratio of 2: 1; the tail end of the water inlet pipe enters a sewer pipe (11) and a water storage tank (12) through two branches, and the water storage tank (12) is connected to the washing machine (1) through a booster pump (7).
7. The treatment method of the waste water collecting and purifying treatment device for the wall-hanging balcony washing machine according to claim 6, wherein the treatment method comprises the following steps: the aperture size of the first layer of microporous filter membrane in the double-layer microporous filter membrane in the step 1) is 12-15 μm, and the aperture of the second layer of microporous filter membrane is 0.5-1.0 μm.
8. The treatment method of the waste water collecting and purifying treatment device for the wall-hanging balcony washing machine according to claim 6, wherein the treatment method comprises the following steps: the diatomite-fly ash-modified polyferric sulfate is prepared by carrying out load modification on diatomite, fly ash and polyferric sulfate in a mass ratio of 3:2: 3.
9. The treatment method of the waste water collecting and purifying treatment device for the wall-hanging balcony washing machine according to claim 6, wherein the treatment method comprises the following steps: the modified clay comprises: the bentonite fine powder is roasted at 900-1100 ℃, then reacts with alkali, and is washed and filtered to obtain the modified clay with the average pore diameter of 3-6 nm.
10. The treatment method of the waste water collecting and purifying treatment device for the wall-hanging balcony washing machine according to claim 6, wherein the treatment method comprises the following steps: the organic flocculant is a natural polymeric flocculant.
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