CN213446709U - Black and odorous water body circulation treatment system - Google Patents
Black and odorous water body circulation treatment system Download PDFInfo
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- CN213446709U CN213446709U CN202021948012.4U CN202021948012U CN213446709U CN 213446709 U CN213446709 U CN 213446709U CN 202021948012 U CN202021948012 U CN 202021948012U CN 213446709 U CN213446709 U CN 213446709U
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Abstract
The utility model discloses a black and odorous water body circulation treatment system, which comprises a shell and at least one set of electrolysis unit, wherein one end of the shell is provided with a water inlet pipe, the other end of the shell is provided with a water outlet pipe, a plurality of sets of filler units are arranged in the shell in parallel, each filler unit comprises a filler fixing frame and a plurality of fixed fillers which are longitudinally fixed on the filler fixing frame in parallel, and the bottom of the shell is provided with an aeration pipe; the electrolysis unit comprises an electrode plate and a power supply which are electrically connected, and the electrode plate is arranged in the shell. The black and odorous water body circulation treatment system effectively utilizes the black and odorous river channel, reduces the occupied area of equipment, obviously shortens hydraulic retention time, reduces the consumption of other heterotrophic processes on a carbon source under the action of electrolysis, further improves the effects of nitrogen and phosphorus removal, and has the advantages of economy, reliability, low operating cost, simplicity in operation and good treatment effect.
Description
Technical Field
The utility model relates to a sewage treatment technical field, concretely relates to black and odorous water body circulation treatment system.
Background
The phenomenon of "black and odorous" of rivers is a biochemical phenomenon, namely anaerobic decomposition of organic matters in water. The oxygen consumption of organic matters in the water body is larger than reoxygenation in the decomposition process, so that the water body is anoxic, anaerobic microorganisms propagate in a large quantity and decompose the organic matters to generate a large quantity of odorous gases such as amines, hydrogen sulfide, ammonia and the like, so that the water body smells, and the odorous gases escape from the water surface and enter the atmosphere to cause the surrounding of the water body to be saturated with odors. Meanwhile, the water body is reduced by heavy metals such as iron, manganese and the like in the sediment and the water due to oxygen deficiency, and forms ferrous sulfide and the like with sulfur ions in the water to make the water body black.
The black and odorous water is mainly formed by the following reasons: (1) the organic pollution load of the water body is overlarge; mainly has point source pollution and non-point source pollution, such as industrial wastewater, domestic sewage and storm runoff. (2) Thermal pollution of water body; the urban river thermal pollution refers to high-temperature wastewater discharged to a water body by factories on two banks of a river, the reproduction of actinomycetes reaches the highest at about 25 ℃, and the black and odorous taste of the river also reaches the maximum. (3) Heavy metal contamination; heavy metal pollution is also one of the urban river pollution types, and the contribution of heavy metal pollution to the black and odorous river is mainly the content of iron and manganese in the water body. (4) Resuspension of bottom sludge and bottom materials; river pollution is characterized in that not only the water quality is seriously polluted, but also bottom mud is one of the main causes of various pollutions in the water body, the pollution is also serious, and the bottom mud can cause secondary pollution to the river. Under a series of actions such as physics, chemistry and biology, pollutants adsorbed on bottom mud particles exchange with pore water, so that pollutants are released into rivers, the content of organic pollutants in water is increased, and the rivers are black and smelly. Under proper environmental conditions, mass propagation of actinomycetes in the bottom mud is a large factor causing the black and odorous river.
The 'water pollution prevention and control action plan' of China is proposed for treating black and odorous water bodies: by 2020, black and odorous water bodies in the built-up areas of the cities on the land level and above in China are controlled within 10 percent; by 2030, black and odorous water in the built-up areas of the city is totally eliminated. The black and odorous water body in the urban area not only brings very poor sense to the masses, but also directly influences the outstanding water environment problem of the lives of the masses. It is urgent to identify the cause and take effective treatment measures to eliminate the black and odor. Research shows that only less than 1% of pollutants entering rivers and lakes can be dissolved in water, and more than 99% of pollutants can be deposited in bottom mud of the rivers and lakes. Therefore, a large amount of oxygen-consuming substances, hardly degradable organic pollutants, N, P nutritive salts and the like are deposited in the bottom sludge and slowly and durably released to the water body and aquatic organisms, so that secondary pollution to the water body is caused, and the aquatic ecological environment and human health are seriously threatened. Therefore, the pollution problem of rivers and lakes is solved fundamentally, and not only the pollution source is cut off from the source, but also the black and odorous water body is repaired more importantly. The existing black and odorous water body restoration method mainly comprises an ex-situ treatment technology and an in-situ treatment technology. Compared with the ex-situ remediation technology, the in-situ control technology has the advantages of small investment, easy operation, difficult generation of secondary pollution and the like, but because the method is single, the treatment capacity is small, the purification efficiency of the sewage is low, the purification treatment of the water body with larger volume is difficult to realize, the installation operation and the later maintenance are also inconvenient, the addition of the medicament and the strains is convenient, although the effect is quick, the medicament cost is high, and the secondary pollution is possibly generated. Therefore, in order to solve the pollution problem of black and odorous water, it is necessary to effectively reduce turbidity, increase indexes such as dissolved oxygen and oxidation-reduction potential, and control main pollutants such as chemical oxygen demand, nitrogen and phosphorus in water and bottom mud. In order to solve the problems currently encountered, many researchers have conducted a great deal of research on in-situ and ex-situ remediation techniques of black and odorous water bodies. Chinese patent CN108483676A discloses a black and odorous water treatment device, which comprises a container main body, a horizontal rotating shaft and a plurality of pressing plates, wherein the pressing plates are movably sleeved on the horizontal rotating shaft and can synchronously rotate along with the horizontal rotating shaft; wherein, a flexible component which can be expanded or contracted is fixedly arranged between two adjacent press plates. Aerobic bacteria and anaerobic denitrifying bacteria can be allowed to multiply in large numbers on the flexible member. The equipment belongs to an ectopic treatment device, and can effectively remove the surplus nutrition in the black and odorous water body; but the ectopic treatment has large energy consumption, the biological treatment mainly removes the nutrient substances in the water body, and the actinomycetes, the refractory substances and the pollutants released in the subsequent bottom mud in the water body can not be effectively removed. Chinese patent CN107673561A discloses an in-situ treatment system for black and odorous water and a method for treating black and odorous water by using the same. The black and odorous water in-situ treatment system comprises a pretreatment area, an in-situ treatment area and a separation area; the water flow baffling is increased by reforming a certain river reach in the river channel, so that the retention time of the water body in a unit area is increased, and the surrounding land is basically not occupied. The method mainly adopts a biological method and adopts a physical and chemical method as an auxiliary method to carry out in-situ remediation, and finally achieves the purpose of improving the water quality of the black and odorous water body. Although the system has high treatment capacity, good treatment effect and low energy consumption, the Fenton reagent and the coagulation reagent need to be added, the reagent addition causes secondary pollution, and the reagent addition is inconvenient. Chinese patent CN108840532A provides a black and odorous water body processing apparatus, nitrogen phosphorus recovery principle among the full play prior art sets up the aeration blow-off case and carries out reoxygenation and denitrogenation synchronous processing to the black and odorous water body, combines good oxygen, anaerobism and membrane treatment process, carries out denitrogenation dephosphorization to the black and odorous water body and handles, has still realized synchronous desorption and recovery effect to the ammonia nitrogen simultaneously, has reduced the influence of black and odorous water body to all ring edge borders, has certain economic value. However, the process flow is long, and belongs to ex-situ treatment, and the similar problems exist. Chinese patent CN109133490A discloses a black and odorous water body treatment device, including the water purification case, gear motor, commentaries on classics roller are installed on the right side of water purification case, change the outside of roller and install the flabellum, change the outer wall left side of roller and install the circle cover, the outer wall of circle cover is equipped with the pompon, the pompon is installed to the bottom of pull rod. This device is administered to black and odorous water body pushes down pull rod and barrier plate downstream under the elastic pushing force effect through compression spring, makes the liquid medicine flow out, and then makes the liquid medicine carry out intermittent type nature outflow and stops flowing out, makes the flabellum evenly fuse into black and odorous water with the liquid medicine when rotating in, the device belongs to automatic reagent feeding device.
The above patent devices have various advantages and disadvantages, the pollution degree of many domestic rivers and lakes is relatively serious at present, the types of pollutants are complex, and with the vigorous promotion of ecological civilization construction, people put forward new requirements on the treatment of the rivers and lakes, so that the water quality is improved, and the ecological system of the bottom mud of the surface water body is restored to radically treat the black and odorous water body. The circulation system is formed by combining an electrolysis-enhanced biochemical treatment technology with a black and odorous river channel, so that not only can the black and odorous water be treated, but also pollutants in the bottom mud can be further treated, and no literature and patent reports exist at present.
SUMMERY OF THE UTILITY MODEL
In order to overcome exist not enough among the prior art, the utility model provides a black and odorous water body circulation treatment system that economy is reliable, the working costs is low, easy operation, treatment effect are good, this circulation system effectively utilizes black and odorous river course, reduces equipment area, obviously shortens water conservancy dwell time, reduces the consumption of other heterotrophic processes to the carbon source under the effect of electrolysis, further improves nitrogen and phosphorus removal effect.
The utility model discloses an above-mentioned problem is solved to following technical means:
a black and odorous water body circulation treatment system comprises a shell and at least one set of electrolysis unit, wherein one end of the shell is provided with a water inlet pipe, the other end of the shell is provided with a water outlet pipe, a plurality of sets of filler units are arranged in the shell in parallel, each filler unit comprises a filler fixing frame and a plurality of fixed fillers longitudinally fixed on the filler fixing frame in parallel, and the bottom of the shell is provided with an aeration pipe; the electrolysis unit comprises an electrode plate and a power supply which are electrically connected, and the electrode plate is arranged in the shell.
Further, the fixed filler is a three-dimensional combined filler, a soft filler or a semi-soft filler.
Further, the longitudinal and transverse spacing of adjacent fixed packing is at least 200 mm.
Further, the aeration pipe is lower than the fixed filler and at least 200mm higher than the bottom of the shell.
Further, at least two sets of electrolysis units are included.
Furthermore, except that the anode plate of the electrolysis unit at the end of the water outlet pipe is an aluminum electrode plate or a ferroelectric electrode plate, other electrode plates are inert electrode plates.
Compared with the prior art, the beneficial effects of the utility model reside in that:
on one hand, the black and odorous water circulation treatment system fully considers the characteristics of relatively low organic matter content, low oxygen content, high nitrogen and phosphorus content and the like in the black and odorous water, an aeration pipe and an electrolysis unit are arranged in the black and odorous water to form a full-aeration electrolysis strengthening membrane biochemical treatment module, under the action of electrolysis, the consumption of other heterotrophic processes on a carbon source is reduced, the nitrogen and phosphorus removal by microorganisms is facilitated, meanwhile, the anode of an electrode plate of the electrolysis unit at the tail end (the water outlet pipe end) is an aluminum electrode plate or an iron electrode plate to form electrolysis phosphorus removal, and the content of phosphorus in the outlet water is further reduced; on the other hand, the sewage in river course low reaches promotes the back through the elevator pump, flows in from the inlet tube, and the play water of outlet pipe passes through the upper reaches of jet pump income black smelly river course, and the anaerobism/the anoxic zone that regards sewage treatment with the river course is whole forms a rapid cycle system, and the purification sewage of so going round and round has improved the purifying effect of sewage greatly. In a word, this black and odorous water body circulation treatment system, economical and reliable, the working costs is low, easy operation, treatment effect are good, has practiced thrift investment construction and running cost for black and odorous water body treatment facility.
Drawings
The invention is further described with reference to the following figures and examples.
FIG. 1 is an overall structure of the present invention;
in the figure: 1-shell, 2-water inlet pipe, 3-fixed filler, 4-lift pump, 5-filler fixing frame, 6-electrode plate, 7-power supply, 8-aluminum electrode plate, 9-water outlet pipe, 10-jet pump and 11-aeration pipe.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1, the black and odorous water circulation treatment system comprises a shell 1 and a plurality of sets of electrolysis units, wherein one end of the shell 1 is provided with a water inlet pipe 2, the other end of the shell is provided with a water outlet pipe 9, the water inlet pipe 2 is communicated with a lifting pump 4 with a water inlet at the downstream of a river channel, and the water outlet pipe 9 is communicated with a jet pump 10 with a water outlet at the upstream of the river channel; a plurality of sets of packing units are arranged in the shell 1 in parallel, each packing unit comprises a packing fixing frame 5 and a plurality of fixed packings 3 longitudinally fixed on the packing fixing frame in parallel, each fixed packing 3 is a three-dimensional combined packing, a soft packing or a semi-soft packing, and the longitudinal and transverse distances between adjacent fixed packings are at least 200 mm; an aeration pipe 11 is arranged at the bottom of the shell 1, and the aeration pipe 11 is lower than the fixed filler and at least 200mm higher than the bottom of the shell; the electrolytic unit comprises an electrode plate 6 and a power supply 7 which are electrically connected, the electrode plate is arranged in the shell, and the current density is at least 350A/m2. Preferably, the anode plates of the electrolysis unit at the tail end (the end of the water outlet pipe) are aluminum electrode plates 8 or ferroelectric electrode plates, and the other electrode plates are inert electrode plates.
By adopting the black and odorous water body circulation treatment system of the embodiment, on one hand, the characteristics of relatively low organic matter content, low oxygen content, high nitrogen and phosphorus content and the like in the black and odorous water body are fully considered, an aeration pipe and an electrolysis unit are arranged in the black and odorous water body, a full-aeration electrolysis strengthening membrane biochemical treatment module is formed, under the action of electrolysis, the consumption of other heterotrophic processes on a carbon source is reduced, the nitrogen and phosphorus removal of microorganisms is facilitated, meanwhile, the anode of an electrode plate of the electrolysis unit at the tail end (the water outlet pipe end) is an aluminum electrode plate or an iron electrode plate, the electrolytic phosphorus removal is formed, and the content of phosphorus in; on the other hand, the sewage in river course low reaches promotes the back through the elevator pump, flows in from the inlet tube, and the play water of outlet pipe passes through the upper reaches of jet pump income black smelly river course, and the anaerobism/the anoxic zone that regards sewage treatment with the river course is whole forms a rapid cycle system, and the purification sewage of so going round and round has improved the purifying effect of sewage greatly. In a word, this black and odorous water body circulation treatment system, economical and reliable, the working costs is low, easy operation, treatment effect are good, has practiced thrift investment construction and running cost for black and odorous water body treatment facility.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (6)
1. The utility model provides a black smelly water body circulation treatment system which characterized in that: the device comprises a shell (1) and at least one set of electrolysis unit, wherein one end of the shell (1) is provided with a water inlet pipe (4), the other end of the shell is provided with a water outlet pipe (9), a plurality of sets of filler units are arranged in parallel in the shell (1), each filler unit comprises a filler fixing frame (5) and a plurality of fixed fillers (3) which are longitudinally fixed on the filler fixing frame in parallel, and an aeration pipe (11) is arranged at the bottom of the shell; the electrolysis unit comprises an electrode plate (6) and a power supply (7) which are electrically connected, and the electrode plate is arranged in the shell.
2. The black and odorous water body circulation treatment system according to claim 1, characterized in that: the fixed filler (3) is a three-dimensional combined filler, a soft filler or a semi-soft filler.
3. The black and odorous water body circulation treatment system according to claim 2, characterized in that: the longitudinal and transverse spacing of adjacent fixed fillers (3) is at least 200 mm.
4. The black and odorous water body circulation treatment system according to claim 3, wherein: the aeration pipe (11) is lower than the fixed filler and at least 200mm higher than the bottom of the shell.
5. The black and odorous water body circulation treatment system according to claim 4, wherein: comprises at least two sets of electrolysis units.
6. The black and odorous water body circulation treatment system according to claim 5, wherein: except that the anode plate of the electrolysis unit at the end of the water outlet pipe is an aluminum electrode plate (8) or a ferroelectric electrode plate, other electrode plates are inert electrode plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021948012.4U CN213446709U (en) | 2020-09-09 | 2020-09-09 | Black and odorous water body circulation treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021948012.4U CN213446709U (en) | 2020-09-09 | 2020-09-09 | Black and odorous water body circulation treatment system |
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| Publication Number | Publication Date |
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| CN213446709U true CN213446709U (en) | 2021-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021948012.4U Active CN213446709U (en) | 2020-09-09 | 2020-09-09 | Black and odorous water body circulation treatment system |
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| CN (1) | CN213446709U (en) |
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