CN111661975A - Municipal administration sewage treatment system - Google Patents
Municipal administration sewage treatment system Download PDFInfo
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- CN111661975A CN111661975A CN202010336046.6A CN202010336046A CN111661975A CN 111661975 A CN111661975 A CN 111661975A CN 202010336046 A CN202010336046 A CN 202010336046A CN 111661975 A CN111661975 A CN 111661975A
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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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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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
- 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
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/285—Treatment of water, waste water, or sewage by sorption using synthetic organic sorbents
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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
- 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
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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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
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/009—Apparatus with independent power supply, e.g. solar cells, windpower, fuel cells
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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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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Abstract
The invention discloses a municipal sewage treatment system which comprises a sewage input device, a sewage treatment device and a sewage output device, wherein the sewage input device is communicated with the sewage treatment device, the sewage treatment device is communicated with the sewage output device, the sewage treatment device comprises a filtering mechanism, a buffering mechanism, a primary settling mechanism, a purifying mechanism, a re-settling mechanism and a sterilizing mechanism, the filtering mechanism is communicated with the buffering mechanism, the buffering mechanism is communicated with the primary settling mechanism, the primary settling mechanism is connected with the purifying mechanism, the purifying mechanism is communicated with the re-settling mechanism, and the re-settling mechanism is communicated with the sterilizing mechanism.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a municipal sewage treatment system.
Background
The municipal sewage refers to sewage such as domestic sewage, hospital sewage, industrial sewage and the like collected by a sewer system, the municipal sewage needs to treat pollutants such as suspended solid pollutants, organic pollutants and the like in the sewage by a sewage treatment technology and can be discharged after reaching the standard, and common sewage treatment methods comprise a physical treatment method, a biological treatment method, sludge treatment generated by sewage treatment, a chemical treatment method and the like.
With the rapid development of economic construction, the population is continuously increased, particularly, the urban population is rapidly expanded, the national sewage discharge amount is rapidly increased, the gradual deterioration of water quality is an important reason for the shortage of urban rainwater resources, the sustainable development is restricted, the ecological balance of the water environment is damaged, and the living health of urban residents is threatened.
Chinese patent publication No. CN108947145A discloses a municipal sewage treatment system, which belongs to the field of sewage treatment, and comprises a sewage input device, a sewage treatment device and a sewage output device, wherein the sewage treatment device comprises a sewage treatment tank, a partition plate and a hollow stirring shaft, a through hole is arranged in the middle of the partition plate, the hollow stirring shaft penetrates through the through hole, a helical blade is arranged on the hollow stirring shaft at the through hole, the partition plate partitions the sewage treatment tank into an upper treatment chamber and a lower treatment chamber, a cylindrical filter mantle is arranged in the lower treatment chamber, the upper part of the hollow stirring shaft is arranged in the upper treatment chamber, the lower part of the hollow stirring shaft is arranged in the filter mantle, a plurality of hollow jet stirring blades are arranged on the hollow stirring shaft in the filter mantle, and the plurality of jet stirring blades are all communicated with the hollow stirring; although the above patent realizes preventing the filter membrane and the filter material from being blocked, prolonging the service life of the filter membrane and the filter material and improving the stability of the water quality of the outlet water, the above patent has the following problems in operation, the municipal sewage generally contains a large amount of microorganisms, and the above sewage treatment device does not treat the bacteria in the municipal sewage, easily causes pollution after being discharged into the environmental water body and destroys the ecological balance of the environmental water body.
In view of the above, the present inventors provide a municipal sewage treatment system to solve the above technical problems.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a municipal sewage treatment system which realizes the effects of disinfecting and sterilizing municipal sewage, purifying the municipal sewage, reducing pollution and protecting the environment.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a municipal administration sewage treatment system, includes sewage input device, sewage treatment plant and sewage output device, sewage input device and sewage treatment plant intercommunication, sewage treatment plant and sewage output device intercommunication, sewage treatment plant includes filtering mechanism, buffer gear, just sinks mechanism, purification mechanism, mechanism and disinfection and sterilization mechanism again, filtering mechanism and buffer gear intercommunication, buffer gear with just sink the mechanism intercommunication, just sink the mechanism and be connected with purification mechanism, purification mechanism and the mechanism intercommunication of mechanism again, mechanism and disinfection and sterilization mechanism intercommunication again.
Through above-mentioned technical scheme, set up disinfection and sterilization mechanism in sewage treatment plant, realized disinfecting, purifying municipal sewage, pollution abatement and environmental protection's the effect to municipal sewage.
The invention is further configured to: filtering mechanism and sewage input device intercommunication, be provided with in the filtering mechanism and filter the otter board and active carbon, filter the otter board and set up in active carbon filter otter board top just.
Through above-mentioned technical scheme, filter the two-layer filter of otter board through setting up first filter board and active carbon to, first filter board sets up in the top that the otter board was filtered to the active carbon, filters municipal sewage in the filtering mechanism layer upon layer, has improved municipal sewage's cleanliness factor.
The invention is further configured to: the stirring device comprises a motor, a stirring shaft and stirring blades, wherein the lower part of the buffer mechanism is communicated with the lower part of the filtering mechanism, the stirring device is arranged in the buffer mechanism and comprises the motor, the stirring shaft and the stirring blades, one end of the stirring shaft is connected with an output shaft of the motor, the stirring blades are arranged on the stirring shaft, and through holes are formed in the stirring blades.
Through above-mentioned technical scheme, set up agitating unit in buffer gear, stir the municipal sewage in the buffer gear, avoid the impurity siltation in the municipal sewage in the buffer gear bottom, influence the circulation of municipal sewage in the buffer gear to, be provided with the thru hole on the stirring leaf, when utilizing agitating unit to stir, municipal sewage in the buffer gear reciprocates back and forth through the thru hole, has reduced agitating unit stirring municipal sewage's resistance.
The invention is further configured to: the shape of the stirring blade is at least one of diamond, square and fan.
Through above-mentioned technical scheme, set up a plurality of stirring leaves on the (mixing) shaft to, the stirring leaf sets up to multiple shapes such as rhombus, square and fan-shaped, carries out intensive mixing with municipal sewage to in the buffer gear.
The invention is further configured to: the lower part of the primary sedimentation mechanism is communicated with the lower part of the buffer mechanism, the primary sedimentation mechanism comprises a primary sedimentation cavity, and a filter screen is arranged in the primary sedimentation cavity.
Through above-mentioned technical scheme, the mechanism that just sinks is including sinking the chamber just to, set up the filter screen in the chamber that just sinks to the municipal sewage that flows into in the mechanism that just sinks carries out the primary sedimentation.
The invention is further configured to: the filter screen is arranged at one third of the bottom of the primary sedimentation cavity.
Through above-mentioned technical scheme, the filter screen sets up in the bottom third department of just sinking the chamber, and at the in-process that just sinks, the mixture of municipal sewage and precipitate will be detained in the lower part of filter screen, and municipal sewage after just sinking will rise to the upper portion of filter screen through the filter screen, borrow this to distinguish municipal sewage and precipitate after just sinking.
The invention is further configured to: the purification mechanism is communicated with the upper part of the primary sedimentation mechanism and comprises a biological contact oxidation pond.
Through above-mentioned technical scheme, through setting up purification mechanism into biological contact oxidation pond to, place multiple microorganism in biological contact oxidation pond, purify the municipal sewage in the biological contact oxidation pond.
The invention is further configured to: the mechanism communicates with the lower part of purification mechanism again, the mechanism includes sewage coarse filtration chamber, sewage sedimentation chamber, sewage treatment water storage chamber and deposit output device again, be provided with the coarse filtration screen in the sewage coarse filtration chamber, the slope of coarse filtration screen sets up, the bottom in sewage coarse filtration chamber is provided with the coarse filtration export, the sewage sedimentation chamber passes through the coarse filtration export and communicates with sewage coarse filtration chamber, sewage sedimentation chamber bottom is provided with the precipitate baffle of slope in coarse filtration exit, the precipitate baffle forms the buffering mouth with the sewage sedimentation chamber inner wall that is located coarse filtration exit, the middle part in sewage sedimentation chamber is provided with the fine filtration screen, it is provided with the overflow hole to lie in the top of fine filtration screen in the sewage sedimentation chamber, the sewage treatment water storage chamber passes through the overflow hole and communicates with the sewage sedimentation chamber, deposit output device sets up in sewage sedimentation chamber bottom, and is communicated with the sewage sedimentation cavity.
Through the technical scheme, the re-precipitation mechanism comprises a sewage coarse-filtration cavity, a sewage sedimentation cavity, a sewage treatment water storage cavity and a sediment output device, an inclined coarse-filtration screen is arranged in the sewage coarse-filtration cavity to coarsely filter the municipal sewage flowing into the re-precipitation mechanism, a coarse-filtration outlet is arranged at the bottom of the sewage coarse-filtration cavity, the sewage sedimentation cavity is communicated with the sewage coarse-filtration cavity through the coarse-filtration outlet, the coarsely-filtered municipal sewage flows to the sewage sedimentation cavity through the coarse-filtration outlet, an inclined sediment baffle is arranged at the coarse-filtration outlet at the bottom of the sewage sedimentation cavity to block sediment, the sediment baffle and the inner wall of the sewage sedimentation cavity at the coarse-filtration outlet form a buffer port, a fine-filtration screen is arranged at the middle part of the sewage sedimentation cavity, an overflow hole is arranged above the fine-filtration screen in the sewage sedimentation cavity, the sewage treatment water storage cavity is communicated with the sewage sedimentation cavity through the overflow hole, the finely-filtered sewage flows to the sewage treatment water storage cavity through the overflow hole, sediment output device sets up in sewage sedimentation chamber bottom to with sewage sedimentation chamber intercommunication, through sediment output device with the sediment output of sewage sedimentation intracavity, through the integral type design of mechanism again, can filter the various impurity in the municipal sewage respectively, improved municipal sewage's treatment effect, and, can effectively prevent to deposit the deposition of impurity in the sewage sedimentation chamber in the mechanism again, prolong maintenance cycle.
The invention is further configured to: the disinfection and sterilization mechanism is communicated with the sewage treatment water storage cavity of the re-deposition mechanism, adsorption resin is placed in the disinfection and sterilization mechanism, the adsorption resin contains nano silver-titanium dioxide composite materials, and the disinfection and sterilization mechanism is irradiated by an ultraviolet lamp so as to sterilize municipal sewage in the disinfection and sterilization mechanism.
According to the technical scheme, the adsorption resin is placed in the disinfection and sterilization mechanism and contains the nano silver-titanium dioxide composite material, so that the municipal sewage in the disinfection and sterilization mechanism is disinfected, and meanwhile, the ultraviolet lamp is used for irradiating the disinfection and sterilization mechanism, so that the municipal sewage in the disinfection and sterilization mechanism is disinfected.
The invention is further configured to: the sewage treatment system is characterized by further comprising a solar power generation module, wherein the solar power generation module is electrically connected with the sewage input device, the sewage treatment device and the sewage output device respectively.
Through above-mentioned technical scheme, through set up solar energy power module in this system to, power module respectively with sewage input device, sewage treatment plant and sewage output device electric connection, with provide the electric energy for sewage input device, sewage treatment plant and sewage output device, reduced the consumption of electric energy, increase the feature of environmental protection that municipal wastewater treatment system used.
In conclusion, the invention has the following beneficial effects:
(1) the sewage treatment device comprises a filtering mechanism, a buffering mechanism, a primary sedimentation mechanism, a purification mechanism, a re-deposition mechanism and a disinfection and sterilization mechanism, wherein the filtering mechanism is communicated with the buffering mechanism, the buffering mechanism is communicated with the primary sedimentation mechanism, the primary sedimentation mechanism is connected with the purification mechanism, the purification mechanism is communicated with the re-deposition mechanism, the re-deposition mechanism is communicated with the disinfection and sterilization mechanism, and the disinfection and sterilization mechanism is arranged in the sewage treatment device, so that the effects of disinfecting and sterilizing municipal sewage, purifying the municipal sewage, reducing pollution and protecting the environment are realized;
(2) the re-precipitation mechanism comprises a sewage coarse filtration cavity, a sewage sedimentation cavity, a sewage treatment water storage cavity and a sediment output device, wherein an inclined coarse filtration screen is arranged in the sewage coarse filtration cavity to coarsely filter the municipal sewage flowing into the re-precipitation mechanism, a coarse filtration outlet is arranged at the bottom of the sewage coarse filtration cavity, the sewage sedimentation cavity is communicated with the sewage coarse filtration cavity through the coarse filtration outlet, the coarsely filtered municipal sewage flows to the sewage sedimentation cavity through the coarse filtration outlet, an inclined sediment baffle is arranged at the coarse filtration outlet at the bottom of the sewage sedimentation cavity to block sediment, the sediment baffle and the inner wall of the sewage sedimentation cavity at the coarse filtration outlet form a buffer port, a fine filtration screen is arranged in the middle of the sewage sedimentation cavity, an overflow hole is arranged above the fine filtration screen on the sewage sedimentation cavity, the sewage treatment water storage cavity is communicated with the sewage sedimentation cavity through the overflow hole, the finely filtered municipal sewage flows to the sewage treatment water storage cavity through the overflow hole, the sediment output device is arranged at the bottom of the sewage sedimentation cavity and is communicated with the sewage sedimentation cavity, sediment in the sewage sedimentation cavity is output through the sediment output device, various impurities in the municipal sewage can be filtered out respectively through the integrated design of the re-deposition mechanism, the treatment effect of the municipal sewage is improved, the impurity deposition in the sewage sedimentation cavity in the re-deposition mechanism can be effectively prevented, and the maintenance period is prolonged;
(3) two-layer filter of filter plate is crossed through setting up first filter plate and active carbon in filtering mechanism to, first filter plate sets up in the top that active carbon crossed filter plate, filters the municipal sewage in the filtering mechanism layer upon layer, has improved municipal sewage's cleanliness factor.
Drawings
FIG. 1 is a general framework of the present invention;
FIG. 2 is a schematic view of an overall frame of the sewage treatment apparatus of the present invention;
FIG. 3 is a schematic view of the filter mechanism of the present invention;
FIG. 4 is a schematic structural diagram of a damper mechanism according to the present invention;
FIG. 5 is a schematic structural view of the primary settling mechanism of the present invention;
FIG. 6 is a schematic view of the structure of the purge mechanism of the present invention;
FIG. 7 is a schematic structural diagram of a re-deposition mechanism of the present invention;
FIG. 8 is a schematic structural view of the sterilization mechanism of the present invention;
fig. 9 is another overall framework diagram of the present invention.
Reference numerals: 1. a sewage input device; 2. a sewage treatment device; 21. a filtering mechanism; 211. a primary filter screen plate; 212. an active carbon filter screen plate; 22. a buffer mechanism; 221. a motor; 222. a stirring shaft; 223. stirring blades; 224. through holes; 23. a primary settling mechanism; 231. a primary sinking cavity; 232. a filter screen; 24. a purification mechanism; 241. a biological contact oxidation pond; 25. a re-deposition mechanism; 251. a sewage coarse filtration cavity; 252. a sewage settling chamber; 253. a sewage treatment water storage cavity; 254. a sediment output device; 255. coarse filtering the filter screen; 256. a coarse filtration outlet; 257. a sediment baffle; 258. a buffer port; 259. fine filtering the filter screen; 26. a disinfection and sterilization mechanism; 261. a disinfection tank; 3. a sewage output device; 4. provided is a solar power generation module.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
Example 1
Referring to fig. 1, as shown in the drawings, the municipal sewage treatment system of the invention comprises a sewage input device 1, a sewage treatment device 2 and a sewage output device 3, specifically, the sewage input device 1 is communicated with the sewage treatment device 2 for delivering unpurified sewage from the sewage input device 1 to the sewage treatment device 2, and the sewage treatment device 2 is communicated with the sewage output device 3 for delivering purified sewage to an environmental water body, which will be described in detail below.
Referring to fig. 2, as shown in the figure, the sewage treatment device 2 includes a filtering mechanism 21, a buffering mechanism 22, a primary settling mechanism 23, a purifying mechanism 24, a re-depositing mechanism 25 and a sterilizing mechanism 26, specifically, the filtering mechanism 21 is communicated with the sewage input device 1 through a water inlet and a water outlet, and is used for conveying the municipal sewage to the filtering mechanism 21 through the sewage input device 1, the filtering mechanism 21 is used for filtering the municipal sewage to remove solid impurities, such as suspended matters, in the municipal sewage, the buffering mechanism 22 is communicated with the filtering mechanism 21 through a water inlet and a water outlet, and is used for conveying the municipal sewage in the filtering mechanism 21 to the buffering mechanism 22 for buffering, the primary settling mechanism 23 is communicated with the buffering mechanism 22 through a water inlet and a water outlet, as the name suggests, the primary settling mechanism 23 is a primary settling mechanism, and is used for conveying the municipal sewage in the buffering mechanism 22 to the primary settling mechanism 23 for primary settling, purification mechanism 24 is through inlet outlet and preliminary mechanism 23 intercommunication that sinks for carry to purification mechanism 24 the municipal sewage that will sink in the mechanism 23 just and purify, it is through inlet outlet and purification mechanism 24 intercommunication to redeposit mechanism 25 again, as the name suggests, redeposit mechanism 25 is promptly for depositing the mechanism once more, be used for carrying the municipal sewage in the purification mechanism 24 to redeposit mechanism 25 and deposit once more, disinfection and sterilization mechanism 26 is through inlet outlet and redeposit mechanism 25 intercommunication, be used for carrying the municipal sewage in redeposit mechanism 25 to disinfection and sterilization mechanism 26 and carry out disinfection and sterilization, disinfection and sterilization mechanism 26 passes through inlet outlet and 3 intercommunication of sewage output device, be used for exporting the municipal sewage after disinfecting and sterilizing to environmental water.
Referring to fig. 3, the sewage input device 1 is shown for delivering the municipal sewage to the filtering means 21 of the sewage treatment device 2, the filtering means 21 filters the municipal sewage, specifically, the filtering means 21 filters out suspended matters in the municipal sewage, and, the removal device is used to remove the suspended matter in the filtering mechanism 21, so as to prevent the suspended matter in the municipal sewage from affecting the treatment of the municipal sewage, preferably, in this embodiment, two filter plates, namely a primary filter plate 211 and an activated carbon filter plate 212, are disposed in the filter mechanism 21, and the primary filter plate 211 is disposed above the activated carbon filter plate 212, so that the municipal sewage can be purified by filtering the filter mechanism 21 layer by layer, and of course, according to the practical use situation, the filter screen plate can be arranged into three or more layers, which is not limited in the present invention.
Referring to fig. 4, as shown in the drawing, wherein the buffer mechanism 22 is communicated with the lower portion of the filter mechanism 21, a stirring device is disposed in the buffer mechanism 22, the stirring device includes a motor 221, a stirring shaft 222 and a stirring blade 223, one end of the stirring shaft 222 is connected to an output shaft of the motor 221, the stirring shaft 222 is disposed with the stirring blade 223, thereby stirring the municipal sewage in the buffer mechanism 22, preferably, in this embodiment, the stirring shaft 222 is disposed with a plurality of stirring blades 223, the shape of the stirring blade 223 is a diamond shape, a square shape, a fan shape, etc., thereby sufficiently stirring the municipal sewage in the buffer mechanism 22, the stirring blade 223 is disposed with a plurality of through holes 224, and the municipal sewage shuttles back and forth through the through holes 224 to reduce resistance of the stirring device for stirring the municipal sewage.
Referring to fig. 5, as shown in the figure, wherein the lower portion of the primary settling mechanism 23 is communicated with the lower portion of the buffer mechanism 22, the primary settling mechanism 23 includes a primary settling chamber 231, a filter screen 232 is disposed in the primary settling chamber 231, specifically, the filter screen 232 is disposed at one third of the bottom of the primary settling chamber 231, that is, during the primary settling process, the upper portion of the filter screen 232 is the primary settling municipal sewage, and the lower portion of the filter screen 232 is the primary settling municipal sewage and the precipitate, thereby primarily settling the municipal sewage, preferably, in this embodiment, the municipal sewage is settled in the primary settling mechanism 23 for 3-6 hours.
Referring to fig. 6, as shown in the figure, wherein the purification mechanism 24 is communicated with the upper portion of the primary sedimentation mechanism 23, the purification mechanism 24 includes a biological contact oxidation tank 241, and a plurality of microorganisms are placed in the biological contact oxidation tank 241, that is, the municipal sewage is delivered to the biological contact oxidation tank 241 to be purified, and the technology of sewage purification is well-established in the art, and therefore, will not be described herein again.
Referring to fig. 7, as shown in the figure, the re-precipitation mechanism 25 is communicated with the lower portion of the purification mechanism 24, the re-precipitation mechanism 25 performs re-precipitation treatment on municipal sewage, specifically, the re-precipitation mechanism 25 is provided with a sewage coarse filtration chamber 251, a sewage precipitation chamber 252, a sewage treatment water storage chamber 253 and a precipitate output device 254, the sewage coarse filtration chamber 251 is provided with a coarse filtration screen 255, the coarse filtration screen 255 is obliquely arranged, the bottom of the sewage coarse filtration chamber 251 is provided with a coarse filtration outlet 256, the sewage precipitation chamber 252 is communicated with the sewage coarse filtration chamber 251 through the coarse filtration outlet 256, the bottom of the sewage precipitation chamber 252 is provided with an inclined precipitate baffle 257 at the coarse filtration outlet 256, the precipitate baffle 257 forms a buffer port 258 with the inner wall of the sewage precipitation chamber 252 at the coarse filtration outlet 256, the middle portion of the sewage precipitation chamber 252 is provided with a fine filtration screen 259, an overflow hole (not shown) is arranged above the fine filtration screen 259 on the sewage precipitation chamber 252, the sewage treatment water storage cavity 253 is communicated with the sewage sedimentation cavity 252 through an overflow hole, and the sediment output device 254 is disposed at the bottom of the sewage sedimentation cavity 252 and is communicated with the sewage sedimentation cavity 252, preferably, in the embodiment, the sediment output device 254 is an auger conveying device to output the sediment at the bottom of the sewage sedimentation cavity 252 through the sediment output device 254.
Borrow this, through the integral type design of mechanism 25 of redepositing, can filter the various impurity in the sewage respectively, improved the sewage treatment effect to, can effectually prevent to redeposit the sedimentation of sewage sedimentation chamber in the mechanism 25, prolong the maintenance cycle.
Referring to fig. 8, as shown, the disinfecting and sterilizing mechanism 26 is communicated with the sewage treatment water storage cavity 253 of the re-depositing mechanism 25, the disinfecting and sterilizing mechanism 26 includes a disinfecting tank 261, an adsorbent resin containing nano silver-titanium dioxide composite is placed in the disinfecting tank 261, and simultaneously, the disinfecting tank is irradiated by an ultraviolet lamp to disinfect the municipal sewage in the disinfecting tank.
In this embodiment, preferably, the adsorption resin is in a granular form, and the nano silver-titanium dioxide composite material is loaded in and on the surface of the adsorption resin.
In this embodiment, preferably, the preparation method of the nano silver-titanium dioxide composite material includes:
weighing hexadecyl trimethylene ammonium bromide, dissolving the hexadecyl trimethylene ammonium bromide in deionized water, adding hydrazine hydrate, dropwise adding a silver nitrate solution while stirring by using a magnetic stirrer until the solution becomes reddish brown, sequentially adding absolute ethyl alcohol, ammonia water and nano titanium dioxide powder, continuously stirring, drying, and firing at the temperature of 500-600 ℃ to obtain the nano silver-titanium dioxide composite material.
Preferably, the nano silver-titanium dioxide composite material is ground into powder, added into deionized water and uniformly stirred, and then added with the adsorption resin, and after heating and drying treatment, the heating time is forty minutes to one hour, so that the adsorption resin loaded with the nano silver-titanium dioxide composite material is obtained. The ultraviolet lamp is disposed in the disinfection tank, and irradiates the adsorption resin in the disinfection tank, and the wavelength of ultraviolet light emitted by the ultraviolet lamp is 270nm-280nm, specifically, 275nm in this embodiment.
Specifically, in the present embodiment, the sewage flows through the sewage input device 1, the filtering mechanism 21, the buffering mechanism 22, the primary settling mechanism 23, the purifying mechanism 24, the re-depositing mechanism 25, the disinfecting and sterilizing mechanism 26, and the sewage output device 3 all adopt small motors for pumping, and the specific pumping structure is understood by those skilled in the art and thus will not be described herein again.
Referring to fig. 9, in the present embodiment, preferably, the municipal sewage treatment system further includes a solar power generation module 4, and specifically, the solar power generation module 4 is electrically connected to the sewage input device 1, the sewage treatment device 2 and the sewage output device 3 respectively, so as to supply power to the sewage input device 1, the sewage treatment device 2 and the sewage output device 3, reduce power consumption, and increase environmental friendliness of the municipal sewage treatment system.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (10)
1. A municipal sewage treatment system comprises a sewage input device (1), a sewage treatment device (2) and a sewage output device (3), the sewage input device (1) is communicated with the sewage treatment device (2), the sewage treatment device (2) is communicated with the sewage output device (3), it is characterized in that the sewage treatment device (2) comprises a filtering mechanism (21), a buffering mechanism (22), a primary settling mechanism (23), a purifying mechanism (24), a re-depositing mechanism (25) and a disinfecting and sterilizing mechanism (26), the filtering mechanism (21) is communicated with the buffer mechanism (22), the buffer mechanism (22) is communicated with the primary sedimentation mechanism (23), the primary sedimentation mechanism (23) is connected with a purification mechanism (24), the purification mechanism (24) is communicated with a re-deposition mechanism (25), and the re-deposition mechanism (25) is communicated with a disinfection and sterilization mechanism (26).
2. The municipal sewage treatment system according to claim 1, wherein the filtration mechanism (21) is in communication with the sewage inlet device (1), wherein a primary screen plate (211) and an activated carbon screen plate (212) are provided in the filtration mechanism (21), and wherein the primary screen plate (211) is provided above the activated carbon screen plate (212).
3. The municipal sewage treatment system according to claim 1, wherein the buffer mechanism (22) is in communication with the lower part of the filter mechanism (21), a stirring device is arranged in the buffer mechanism (22), the stirring device comprises a motor (221), a stirring shaft (222) and stirring blades (223), one end of the stirring shaft (222) is connected with an output shaft of the motor (221), the stirring shaft (222) is provided with the stirring blades (223), and the stirring blades (223) are provided with through holes (224).
4. The municipal sewage treatment system according to claim 3, wherein the shape of the agitating blade (223) is at least one of diamond, square, and fan.
5. The municipal sewage treatment system according to claim 1, wherein the lower portion of the primary sedimentation mechanism (23) communicates with the lower portion of the buffering mechanism (22), the primary sedimentation mechanism (23) comprises a primary sedimentation chamber (231), and a filter screen (232) is disposed in the primary sedimentation chamber (231).
6. The municipal sewage treatment system according to claim 5, wherein the filter screen (232) is disposed in the bottom third of the primary settling chamber (231).
7. The municipal sewage treatment system according to claim 1, wherein the purification mechanism (24) is in communication with an upper portion of the primary sedimentation mechanism (23), and wherein the purification mechanism (24) comprises a biological contact oxidation tank (241).
8. The municipal wastewater treatment system according to claim 1, wherein the re-precipitation mechanism (25) is in communication with a lower portion of the purification mechanism (24), the re-precipitation mechanism (25) comprises a wastewater coarse filtration chamber (251), a wastewater precipitation chamber (252), a wastewater treatment water storage chamber (253), and a precipitate output device (254), wherein a coarse filtration screen (255) is disposed in the wastewater coarse filtration chamber (251), the coarse filtration screen (255) is obliquely disposed, a coarse filtration outlet (256) is disposed at a bottom of the wastewater coarse filtration chamber (251), the wastewater precipitation chamber (252) is in communication with the wastewater coarse filtration chamber (251) through the coarse filtration outlet (256), an oblique precipitate baffle (257) is disposed at a bottom of the wastewater precipitation chamber (252) at the coarse filtration outlet (256), and the precipitate baffle (257) forms a buffer port (258) with an inner wall of the wastewater precipitation chamber (252) at the coarse filtration outlet (256), the middle part in sewage sedimentation chamber (252) is provided with fine filtration filter screen (259), the top that lies in fine filtration filter screen (259) on sewage sedimentation chamber (252) is provided with the overflow hole, sewage treatment water storage chamber (253) is through overflow hole and sewage sedimentation chamber (252) intercommunication, precipitate output device (254) set up in sewage sedimentation chamber (252) bottom, and communicate with sewage sedimentation chamber (252).
9. The municipal sewage treatment system according to claim 1, wherein the disinfecting and sterilizing mechanism (26) is communicated with a sewage treatment water storage cavity (253) of the re-depositing mechanism (25), an adsorbent resin is placed in the disinfecting and sterilizing mechanism (26), the adsorbent resin contains nano silver-titanium dioxide composite material, and the disinfecting and sterilizing mechanism (26) is irradiated by an ultraviolet lamp to disinfect the municipal sewage in the disinfecting and sterilizing mechanism (26).
10. The municipal sewage treatment system according to any one of claims 1 to 9 further comprising a solar power module (4), wherein the solar power module (4) is electrically connected to the sewage inlet device (1), the sewage treatment device (2) and the sewage outlet device (3), respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010336046.6A CN111661975A (en) | 2020-04-25 | 2020-04-25 | Municipal administration sewage treatment system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010336046.6A CN111661975A (en) | 2020-04-25 | 2020-04-25 | Municipal administration sewage treatment system |
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