CN103771660B - A kind of rural domestic sewage treatment system - Google Patents
A kind of rural domestic sewage treatment system Download PDFInfo
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- CN103771660B CN103771660B CN201410018196.7A CN201410018196A CN103771660B CN 103771660 B CN103771660 B CN 103771660B CN 201410018196 A CN201410018196 A CN 201410018196A CN 103771660 B CN103771660 B CN 103771660B
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- disc
- reaction tank
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Abstract
The invention provides a kind of rural domestic sewage treatment system, comprise reaction tank, intake driving blodisc, adsorption filtration device and ultraviolet sterilization device, driving blodisc of intaking comprises multiple disc, disc is made up of skeleton and the biofilm carrier covered on skeleton, disc be circumferentially provided with multiple inlet flume, inlet flume is end face open containers; Water inlet drives blodisc to be located at above reaction tank by spindle housing, and the bottom of disc is positioned at reaction tank all the time; The suction culvert be connected with source of sewage has multiple water inlet pipe, the mouth of pipe of multiple water inlet pipe lays respectively at position water can being injected the inlet flume on a disc, the water outlet of reaction tank is connected with rising pipe through adsorption filtration device, and ultraviolet sterilization device is arranged on rising pipe.The driving blodisc of water inlet of the present invention relies on water inlet to realize rotating, and can gather materials on the spot, cost is low; Process the effective of domestic sewage in rural areas, effluent quality can reach the standard of reuse completely.
Description
Technical field
The invention belongs to water-treatment technology field, especially a kind of rural domestic sewage treatment system.
Background technology
Along with improving constantly of life of farmers level, Rural areas Income gap increases day by day, and quantity of wastewater effluent constantly increases.As can not get effective improvement, by severe exacerbation Rural Water Environment, and affect urban residents' quality of life.At present, conventional technology for treating domestic sewage in rural area mainly contains: anaerobic biogas generating pit, artificial swamp, stabilization pond and land percolation system etc.Wherein anaerobic biogas generating pit process domestic sewage in rural areas, effluent quality can reach emission standard, and can produce the fertilizer being suitable for agriculture production.Stabilization pond makes sewage in nature or sluggish flow, storage in pond that is artificial reconstructed or that manually build, by the Metabolic activity of microorganism, and the organic pollutant in degradation of sewage, thus sewage is purified.Artificial swamp, mainly through the synergy of the microorganism in ecological treatment system and waterplant, realizes the removal of pollutent.Land percolation system imposes on soil by sewage, utilizes the detergent power of soil that sewage is purified; The cleaning action of soil mainly comprises filtration in physical process, absorption, the organic matter degradation etc. under chemical reaction and chemical precipitation and microbial metabolism effect.Above technology, when processing domestic sewage in rural areas, all can obtain good treatment effect; But often there is the shortcomings such as floor space is large, processing efficiency is low, after process, water outlet does not reach the standard of reuse.And traditional activated sludge process and biomembrance process etc. are when processing domestic sewage in rural areas, capital construction and running cost are again higher than techniques such as artificial swamp, stabilization pond, land percolations, and after process, water outlet does not reach the standard of reuse yet.
Summary of the invention
In order to overcome above-mentioned deficiency of the prior art, the invention provides a kind of rural domestic sewage treatment system.
The technical solution adopted in the present invention is as follows:
A kind of rural domestic sewage treatment system, comprise reaction tank, intake driving blodisc, adsorption filtration device and ultraviolet sterilization device, it is characterized in that, the driving blodisc of described water inlet comprises multiple disc, disc is made up of skeleton and the biofilm carrier covered on skeleton, disc be circumferentially provided with multiple inlet flume, described inlet flume is end face open containers, and the opening direction of described multiple inlet flume is identical; The driving blodisc of described water inlet is located at above reaction tank by spindle housing, and the bottom of described disc is positioned at reaction tank all the time; The suction culvert be connected with source of sewage has multiple water inlet pipe, the mouth of pipe of multiple water inlet pipe lays respectively at position water can being injected the inlet flume on a disc, reaction tank water outlet is located at the side relative with water-in, the water outlet of reaction tank is connected with rising pipe through adsorption filtration device, and described ultraviolet sterilization device is arranged on rising pipe.
Preferably, described adsorption filtration device comprises the cylindrical vessel of top water inlet, bottom water outlet, and is arranged in cylindrical vessel and the second filter mesh layer set gradually from top to bottom, active carbon layer, the first filter mesh layer, yellow sand layer.
Preferably, the cylindrical vessel material of described adsorption filtration device is glass, plastics or timber, and diameter is 300 ~ 500mm, is highly 500 ~ 700mm; Thickness >=1mm, the employing waste cotton cloth of described filter mesh layer are made; The thickness of described yellow sand layer is 60 ~ 100mm, adopts yellow sand for building; The thickness of described active carbon layer is 90 ~ 120mm, the chimney flying dust adopting biomass burner.
Preferably, the skeleton of described disc adopts timber to make, and be circular or Polygons, described biofilm carrier selects waste cotton cloth or waste plastic woven bag to make; Spacing between adjacent disc is 50 ~ 60mm, and each disc area be dipped in water accounts for 20% ~ 40% of each card total area.
Preferably, described rotating shaft is cylindrical, and material is wooden or stainless steel, and diameter is 30 ~ 50mm, length 40 ~ 60mm larger than the length of reaction tank.
Preferably, described rising pipe is transparent plastics tubing or Glass tubing.
Preferably, the Steel Concrete of reaction tank to be thickness be 20 ~ 30mm surrounds, and be semicolumn groove-like, opening is rectangle, and the radius ratio of described semicolumn is intake half path length 160 ~ 240mm of driving blodisc; The two ends of described semicolumn groove-like reaction tank are respectively equipped with a bearing, and described bearing is positioned on the axis of described semicolumn.
Preferably, the axis of described rotating shaft and the dead in line of semicolumn groove-like reaction tank.
Preferably, described ultraviolet sterilization device is made up of opaque outer and ultraviolet germicidal lamp.
The principle of work of rural domestic sewage treatment system of the present invention is: the quantity of water-in is identical with the quantity of disc, and the corresponding disc of each water-in, injects the inlet flume each disc from the sewage of water-in outflow.Intake time impulsive force and inlet flume in water action of gravity under, disc continue rotate, make disc surface biofilm carrier to be hung attaching organism film, grow and thicken.When disc is partially immersed in sewage, on its biofilm carrier, microorganism is adsorbed the organism in sewage; When this part of disc leave liquid level, expose in atmosphere time, the microbial film in disc surface absorbs oxygen and is oxidized organism from air.By said process, the organism in reaction tank in sewage reduces, and sewage is purified.Sewage after purification is discharged through water outlet, enter through the top water-in of pipeline from adsorption filtration device, after yellow sand layer, the first filter mesh layer, active carbon layer, the second filter mesh layer absorption, discharge from the bottom posticum of adsorption filtration device, flow into rising pipe, discharge after ultra-violet sterilization, obtain water quality good, meet the clean water of reusing sewage standard.
The invention has the beneficial effects as follows:
1. driving blodisc of intaking in rural domestic sewage treatment system of the present invention relies on water inlet to realize rotating, and runs required drive expense low.
2. rural domestic sewage treatment system, can gather materials on the spot, and use solid waste from village to make, as waste cotton cloth, waste plastic woven bag, chimney flying dust etc., achieve the resource utilization of solid waste, raw materials cost is low.
3. this rural domestic sewage treatment system process domestic sewage in rural areas is effective, and effluent quality can reach the standard of reuse completely.
Accompanying drawing explanation
Fig. 1 is the structural representation of rural domestic sewage treatment system of the present invention;
Fig. 2 is the left view of described water inlet driving blodisc when not being installed into tank;
Fig. 3 is the front view of the skeleton of described disc;
Fig. 4 is the vertical view of the skeleton of described disc;
Fig. 5 is the vertical view of described disc;
Fig. 6 is the front view of the disc being installed into tank;
Fig. 7 is the vertical view of described reaction tank;
Fig. 8 is that the A-A of reaction tank shown in Fig. 7 is to sectional view.
In figure:
The radial batten of 1-, 2-rotating shaft, 3-connects batten, 4-biofilm carrier, 5-bearing, 6-reaction tank, 7-disc, 8-inlet flume, 9-cylindrical vessel, 10-yellow sand layer, 11-first filter mesh layer, 12-active carbon layer, 13-adsorption filtration device posticum, 14-is intake driving blodisc, 15-adsorption filtration device, 16-ultraviolet sterilization device, 17-adsorption filtration device water-in, 18-reaction tank water outlet, 19-rising pipe, 20-opaque outer, 21-ultraviolet germicidal lamp, 22-second filter mesh layer.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the present invention is further illustrated, but protection scope of the present invention is not limited to this.
As shown in Figure 1, rural domestic sewage treatment system of the present invention, comprises reaction tank, driving blodisc of intaking, adsorption filtration device 15 and ultraviolet sterilization device 16.Intake driving blodisc as shown in Figure 2 and Figure 6, is made up of multiple disc 7, disc 7 is made up of skeleton and the biofilm carrier 4 covered on skeleton.Each disc 7 be circumferentially provided with multiple inlet flume 8, described inlet flume is end face open containers.The driving blodisc 14 of described water inlet is erected at above reaction tank by rotating shaft 2, and the bottom of described disc 7 is positioned at reaction tank all the time.The suction culvert be connected with source of sewage has multiple water inlet pipe, water inlet pipe is equal with the quantity of disc 7, the mouth of pipe of multiple water inlet pipe lays respectively at position water can being injected the inlet flume on disc 7, and reaction tank water outlet 18 is located at the side relative with water-in.The water outlet of reaction tank is connected with rising pipe 19 through adsorption filtration device 15, and described ultraviolet sterilization device 16 is arranged on rising pipe 19.
As shown in Figure 7 and Figure 8, reaction tank 6 is Steel Concrete material, in semicolumn groove-like, and semicolumn closed at both ends, wall thickness is 30mm, the long 220mm of length of the radial batten 1 of semicolumn radius ratio; The axis of semicolumn groove-like reaction tank 6 arranges two bearings 5, for installing rotating shaft 2.
In rural area in order to cost-saving, refuse reclamation, the skeleton of described disc 7 adopts timber to make, and as shown in Figure 3, Figure 4, adopts radial batten 1, connects batten 3 and be made for circle or polygon skeleton.Concrete, get many transverse section be rectangle and the identical batten of length as radial batten 1, one end of all radial battens 1 is fixed in rotating shaft 2, the other end to surrounding disperse and be positioned at the axle center of rotating shaft 2 for the center of circle circumferentially.All radial battens 1 are positioned at the same plane vertical with rotating shaft 2, and the angle that two adjacent radial battens 1 are formed is identical.Then adopt the connection batten 3 identical with radial batten 1 transverse section to be coupled together by the end of dispersing of adjacent radial batten 1, form a polygon skeleton.
As shown in Figure 5, biofilm carrier 4 is biofilm carrier, selects waste cotton cloth or waste plastic woven bag to make; Be fixed on the two sides of polygon skeleton by nail, two biofilm carriers 4 are fixed in every face, have just made described disc 7.The diameter hole suitable with rotating shaft 2 diameter is left at the center of biofilm carrier 4, passes through to make rotating shaft 2.Described rotating shaft 2 is cylindrical, and material is stainless steel, preferably, and the length 40 ~ 60mm larger than the length of reaction tank of described rotating shaft 2.Multiple disc 7 is all assemblied in rotating shaft 2, and the spacing between adjacent disc 7 is 50-60mm, and each disc 7 area be dipped in water accounts for 20% ~ 40% of each card total area.
Described inlet flume 8 is cylindric, and material is wooden, and one end is closed, the other end opening.The end of dispersing forming each radial batten 1 of skeleton in disc 7 all installs an inlet flume 8.During installation, connect the inlet flume 8 blind end center of circle vertical with radial batten 1 with the medullary ray in the opening end center of circle, and be positioned at the plane at skeleton place; The center of inlet flume 8 is on the extended line of radial batten 1; The opening direction of all inlet flumes 8 is identical, all in the counterclockwise direction.The installation that inlet flume 8 disperses end at radial batten 1 adopts nail.
Described adsorption filtration device 15 comprises cylindrical vessel 9, and is arranged in cylindrical vessel 9 and the second filter mesh layer 22 set gradually from top to bottom, active carbon layer 12, first filter mesh layer 11, yellow sand layer 10.Described cylindrical vessel 9 top is provided with adsorption filtration device water-in 17, bottom adsorption filtration device posticum 13, and material is plastics, and diameter is 500mm, is highly 700mm.First filter mesh layer 11, second filter mesh layer 22 can adopt discarded cotton, such as discarded cotton sheet.Described yellow sand layer 10 is made up of yellow sand for building, is highly 80mm; Described active carbon layer 12 is highly 120mm, the optional chimney flying dust with coming from biomass burning, and concrete employing electricity process for deashing obtains.Described adsorption filtration device water-in 17 is connected with the water outlet of reaction tank, and described adsorption filtration device posticum 13 is connected with rising pipe 19.Described ultraviolet sterilization device 16 comprises opaque outer 20 and ultraviolet germicidal lamp 21, is arranged on rising pipe 19, and described rising pipe 19 is transparent plastics tubing or Glass tubing.
With said apparatus, change its scantlings of the structure to verify the ability of its sewage disposal.Concrete:
Embodiment one
The thickness of skeleton is 12mm; The quantity of radial batten 1 is 16, and length is 1.2m.The quantity of driving blodisc 14 discs 7 of intaking is 11, and the spacing of adjacent disc 7 is 60mm.Disc 7 be dipped in that area in water is disc 7 total area 21%, disc 7 rotating speed is 1r/min.Inlet flume 8 internal diameter is 50mm, high 200mm, wall thickness 4mm.The thickness of described first filter mesh layer 11, second filter mesh layer 22 is 2mm, and the thickness of described yellow sand layer 10 is 80mm, and the height of described active carbon layer 12 is 120mm.The irradiation dose of ultraviolet germicidal lamp 21 is 18000 μ Ws/cm
2.
Embodiment two
The thickness of skeleton is 8mm; The quantity of radial batten 1 is 12, and length is 0.7m.The quantity of driving blodisc 14 discs 7 of intaking is 17, and the spacing of adjacent disc 7 is 50mm.Disc 7 be dipped in that area in water is disc 7 total area 32%, disc 7 rotating speed is 1.8r/min.Inlet flume 8 internal diameter is 40mm, high 160mm, wall thickness 2mm.The thickness of described first filter mesh layer 11, second filter mesh layer 22 is 1.5mm, and the thickness of described yellow sand layer 10 is 65mm, and the thickness of described active carbon layer 12 is 95mm.The irradiation dose of ultraviolet germicidal lamp 21 is 16500 μ Ws/cm
2.
Adopt the rural domestic sewage treatment system process domestic sewage in rural areas of embodiment 1 and embodiment 2.Influent COD is 325-638mg/L, NH
4 +-N is 66 ~ 93mg/L, SS is 45 ~ 196mg/L, and water temperature is about 20 DEG C.The hydraulic detention time of sewage in blodisc is 7h.After this rural domestic sewage treatment system process, water outlet COD is 6.7 ~ 13.2mg/L, BOD
5be 2.7 ~ 5.8mg/L, NH
4 +-N is 1.2 ~ 2.6mg/L, and turbidity is less than 3NTU, and coliform does not all detect.Effluent quality meets the standard of Treated sewage reusing completely.
Described embodiment is preferred embodiment of the present invention; but invention is not limited to above-mentioned embodiment; when not deviating from flesh and blood of the present invention, any apparent improvement that those skilled in the art can make, replacement or modification all belong to protection scope of the present invention.
Claims (7)
1. a rural domestic sewage treatment system, comprise reaction tank (6), to intake driving blodisc (14), adsorption filtration device (15) and ultraviolet sterilization device (16), it is characterized in that, the driving blodisc of described water inlet (14) comprises multiple disc (7), disc (7) is made up of skeleton and the biofilm carrier (4) covered on skeleton, disc (7) be circumferentially provided with multiple inlet flume (8), described inlet flume (8) is end face open containers, the opening direction of described multiple inlet flume (8) is identical, the driving blodisc of described water inlet (14) is erected at reaction tank (6) top by rotating shaft (2), and the bottom of described disc (7) is positioned at reaction tank (6) all the time, the suction culvert be connected with source of sewage has multiple water inlet pipe, the mouth of pipe of multiple water inlet pipe lays respectively at the position of the inlet flume (8) that water can be injected on a disc (7), reaction tank water outlet (18) is located at the side relative with water-in, the water outlet of reaction tank (6) is connected with rising pipe (19) through adsorption filtration device (15), and described ultraviolet sterilization device (16) is arranged on rising pipe (19), the skeleton of described disc adopts timber to make, and be circular or Polygons, described biofilm carrier selects waste cotton cloth or waste plastic woven bag to make, spacing between adjacent disc is 50 ~ 60mm, and each disc area be dipped in water accounts for 20% ~ 40% of each card total area, described adsorption filtration device (15) comprises the cylindrical vessel (9) of top water inlet, bottom water outlet, and is arranged in cylindrical vessel (9) and the second filter mesh layer set gradually from top to bottom, active carbon layer (12), the first filter mesh layer (11), yellow sand layer (10), cylindrical vessel (9) material of described adsorption filtration device (15) is glass, plastics or timber, and described filter mesh layer adopts waste cotton cloth to make, described yellow sand layer (10) adopts yellow sand for building, described active carbon layer (12) adopts the chimney flying dust of biomass burner.
2. rural domestic sewage treatment system according to claim 1, is characterized in that, cylindrical vessel (9) diameter of described adsorption filtration device (15) is 300 ~ 500mm, is highly 500 ~ 700mm; Thickness >=the 1mm of described filter mesh layer; The thickness of described yellow sand layer (10) is 60 ~ 100mm; The thickness of described active carbon layer (12) is 90 ~ 120mm.
3. rural domestic sewage treatment system according to claim 1, it is characterized in that, described rotating shaft (2) is for cylindrical, and material is wooden or stainless steel, diameter is 30 ~ 50mm, length 40 ~ 60mm larger than the length of reaction tank (6).
4. rural domestic sewage treatment system according to claim 1, is characterized in that, described rising pipe (19) is transparent plastics tubing or Glass tubing.
5. rural domestic sewage treatment system according to claim 1, it is characterized in that, the Steel Concrete that reaction tank (6) is 20 ~ 30mm for thickness surrounds, for semicolumn groove-like, opening is rectangle, and the radius ratio of described semicolumn is intake half path length 160 ~ 240mm of driving blodisc (14); The two ends of described semicolumn groove-like reaction tank are respectively equipped with a bearing (5), and described bearing (5) is positioned on the axis of described semicolumn.
6. rural domestic sewage treatment system according to claim 5, is characterized in that, the axis of described rotating shaft (2) and the dead in line of semicolumn groove-like reaction tank.
7. rural domestic sewage treatment system according to claim 1, is characterized in that, described ultraviolet sterilization device (16) is made up of opaque outer (20) and ultraviolet germicidal lamp (21).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410018196.7A CN103771660B (en) | 2014-01-16 | 2014-01-16 | A kind of rural domestic sewage treatment system |
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| CN201410018196.7A CN103771660B (en) | 2014-01-16 | 2014-01-16 | A kind of rural domestic sewage treatment system |
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| CN103771660B true CN103771660B (en) | 2015-08-26 |
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| CN104150712B (en) * | 2014-08-11 | 2018-08-21 | 安徽浩瀚环保科技有限公司 | The intelligent dispersant type domestic wastewater ecological, environmental protective processing unit of new rural village |
| CN104355399A (en) * | 2014-11-13 | 2015-02-18 | 东南大学 | Drop-aeration self-driven biological rotating disc |
| CN105948385A (en) * | 2016-05-22 | 2016-09-21 | 中山市捷信科技服务有限公司 | Medical sewage treatment device |
| CN106315894A (en) * | 2016-08-18 | 2017-01-11 | 合肥信诺捷科节能服务有限公司 | Safe filtering device for water supply plant |
| CN109835980B (en) * | 2019-04-03 | 2021-10-01 | 东北大学 | Semi-fixed biological contact oxidation reactor |
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