CN104876341B - Urban sewage treatment system - Google Patents
Urban sewage treatment system Download PDFInfo
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- CN104876341B CN104876341B CN201510290350.0A CN201510290350A CN104876341B CN 104876341 B CN104876341 B CN 104876341B CN 201510290350 A CN201510290350 A CN 201510290350A CN 104876341 B CN104876341 B CN 104876341B
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Abstract
The present invention relates to sewage treatment area, particularly relate to a kind of urban sewage treatment system, it includes regulating reservoir (4), process pond (1), sludge-tank (5) and the sludge concentration tank (6) being sequentially connected with by pipeline, the rear wall processing pond (1) is provided with agitating device (2), agitating device (2) includes the stirring vane fixing four Length discrepancy, and wherein the 4th stirring vane (25) end is provided with the baffle plate (250) being perpendicular to the 4th stirring vane (25)；It is equipped with cobble (3) in processing pond (1).The present invention can realize processing the irregular flowing of pool inner water stream, current are the most disorderly, ensure that the medicament thrown in processing pond can be sufficiently mixed with water body, the most also can contact processing below pond the cobble with surface Mycoderma with processing water body above pond simultaneously, so that the COD (COD) in water and the slippage increase of Biochemical oxygen demand (BOD), farthest reach de-carbon, phosphorus, the effect of fixed nitrogen.
Description
Technical field
The present invention relates to sewage treatment area, particularly relate to a kind of urban sewage treatment system.
Background technology
Along with the growth of China's urban population, the expansion of residence area and the further concentration of population, domestic consumption is consequently increased, and the sewage quantity making city discharge gets more and more.City domestic sewage is mainly made up of kitchen, lavatory flushing, shower, laundry water etc., the organic nitrogen contained in sewage and ammonia nitrogen, is mainly derived from human body food the garbage of protein metabolism such as feces etc..At present, city domestic sewage has become the primary pollution source of China's municipal water, and existing sewage treatment facility is difficult to bear the sewage load more increased day, cause a large amount of sanitary sewage the most purified just enter river course, lake and pollute natural water and surrounding.Substantial amounts of sewage directly discharges, and not only breaks up ecology, the production of the most serious harm industrial or agricultural and the health and safety of the mankind.Therefore, it is the most important thing in treatment work at present and in the future that city domestic sewage processes, and the qualified discharge of its sanitary sewage has become one problem demanding prompt solution of society.
At present, city domestic sewage treatment facility is generally big-and-middle-sized water treatment facilities, has that investment is big, floor space big, operating cost high, it is impossible to adapts to city domestic sewage and the most quickly processes the needs of development.Meanwhile, such sewage disposal device there is also the problems such as low, the DeGrain for the treatment of effeciency.
Summary of the invention
The present invention is directed to current sanitary sewage be badly in need of solving, and existing sewage-treatment plant exists the problems such as cost is high, efficiency is low, it is provided that a kind of urban sewage treatment system.
In order to solve above-mentioned technical problem, the present invention is addressed by following technical proposals:
Urban sewage treatment system, including the regulating reservoir being sequentially connected with by pipeline, process pond, sludge-tank and sludge concentration tank, the rear wall processing pond is provided with agitating device, agitating device includes being fixed on the shaft processed on the rear wall of pond and the first stirring vane that can rotate around shaft, second stirring vane, 3rd stirring vane and the 4th stirring vane, first stirring vane and the 3rd stirring vane are positioned opposite, second stirring vane and the 4th stirring vane are positioned opposite, first stirring vane and the second stirring vane are arranged vertically, second stirring vane, the length of the 3rd stirring vane and the 4th stirring vane is 2 times of the first stirring vane length respectively, 3 times and 4 times, 4th stirring vane end is provided with the baffle plate being perpendicular to the 4th stirring vane；It is equipped with cobble, the thickness of cobble and the length of the first stirring vane and the height more than shaft axle center to bottom surface in processing pond.
First stirring vane and the 3rd stirring vane are positioned opposite, second stirring vane and the 4th stirring vane are positioned opposite, first stirring vane and the second stirring vane are arranged vertically, i.e. four stirring vanes of agitating device are mutually perpendicular to distribution, use this kind of design, in can making to process pond, medicament stirring is more uniform, make when stirring simultaneously, 4th stirring vane by processing the enough stirrings of the cobble bottom pond and can scoop up abundant cobble, make to process water above pond to contact with abundant cobble, thus the Mycoderma on cobble surface makes the COD (COD) in water and Biochemical oxygen demand (BOD) decline, reach de-carbon, phosphorus, the effect of fixed nitrogen.The length of blade Length discrepancy of stirring sheet, thus water body can be made to be sufficiently mixed, under the complete irregular flowing of current, water body obtains abundant disorder, thus in ensureing water body, medicament can be sufficiently mixed uniformly.
As preferably, processing pond is the tetrahedral structure that cross section is right-angled trapezium being made up of right-angle surface, inclined-plane, upper end face and bottom surface, and upper end face length is more than bottom surface length；Process pond to include being positioned at the water inlet bottom right-angle surface and by upper end face and the outlet of ramp formation, upper inside top surface wall is provided with the adjusting means for adjusting water outlet saliva flow, adjusting means includes being fixed on the L-shaped fixed mount processed on the inwall of pond and the adjustable plate that can move horizontally along L-shaped fixed mount, and adjustable plate includes the transverse slat moved along L-shaped fixed mount and becomes 120 °-150 ° and the swash plate of bending downwards with transverse slat.It is designed to the trapezoidal of handstand by processing pond, trapezoidal inclined-plane can be stirred to the current of water outlet and play certain drag effect agitator, so that water can increase processing the time of staying in pond, so that the time that cobble surface Mycoderma contacts with water body increases, farthest reach de-carbon, phosphorus, the effect of fixed nitrogen.Mouth of a river flow is adjusted, it is achieved to the real-time regulation processing pool inner water stream flow velocity and outlet flow so that the sewage processed in pond can farthest be processed by arranging adjusting means at water outlet
As preferably, L-shaped fixed mount is provided with 4-8 limited impression, and the transverse slat of adjustable plate is provided with the restriction protrusion of and L-shaped fixed mount upper limit fit depressions, and restriction protrusion is stuck in limited impression.Moving horizontally of adjustable plate is realized in being stuck in horizontally disposed different limited impressions by restriction protrusion, thus regulate the distance between the end of adjustable plate and process pond beveled ends, i.e. regulation processes pond outlet size, to realize the purpose of Flow-rate adjustment, this kind of regulative mode simple in construction, easy to adjust.
Water inlet connects water inlet pipe, and water inlet pipe is positioned at the right side of shaft axis place vertical plane away from place, the end vertical plane of water inlet.By water inlet pipe, raw sewerage is transferred to the right side of agitating device, so that raw sewerage can be stirred in time, enable the sewage just flowed into fully quickly to be sufficiently mixed with medicament, cobble surface Mycoderma etc. in process pond, be greatly improved sewage treating efficiency and process quality.
As preferably, the swash plate on the inclined-plane and adjustable plate that process pond is arranged vertically.Using the regulation being arranged vertically the discharge that can make outlet more regular, after i.e. adjustable plate moves the distance of a limited impression, the water yield is how many, so that discharge can preferably control.
Due to the fact that and have employed above technical scheme that there is significant technique effect:
The present invention is by arranging Length discrepancy stirring vane and arrange baffle plate in the 4th stirring vane end in processing pond, can realize processing the irregular flowing of pool inner water stream, current are the most disorderly, ensure that the medicament thrown in processing pond can be sufficiently mixed with water body, the most also can contact processing below pond the cobble with surface Mycoderma with processing water body above pond simultaneously, so that the COD (COD) in water and the slippage increase of Biochemical oxygen demand (BOD), farthest reach de-carbon, phosphorus, the effect of fixed nitrogen.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1；
Fig. 2 is the structural representation processing pond in Fig. 1；
Fig. 3 is the structural representation of adjustable plate in Fig. 2.
The toponym that in accompanying drawing, each number designation is referred to is as follows: 1 processes pond, 2 agitating devices, 3 cobbles, 11 right-angle surface, 12 inclined-planes, end face on 13, 14 bottom surfaces, 15 water inlets, 16 outlets, 17 adjusting meanss, 18 water inlet pipes, 21 shafts, 22 first stirring vanes, 23 second stirring vanes, 24 the 3rd stirring vanes, 25 the 4th stirring vanes, 250 baffle plates, 170 L-shaped fixed mounts, 171 adjustable plates, 1700 limited impressions, 1710 transverse slats, 1711 swash plates, 1712 restriction protrusion.
Detailed description of the invention
With embodiment, the present invention is described in further detail below in conjunction with the accompanying drawings.
Embodiment 1
nullUrban sewage treatment system，As shown in Figure 1-Figure 3，Including including the regulating reservoir 4 that is sequentially connected with by pipeline、Process pond 1、Sludge-tank 5 and sludge concentration tank 6，Sewage regulates through regulating reservoir 4、Pond 1 is processed through water inlet 15 entrance after stirring，The rear wall processing pond 1 is provided with agitating device 2，Agitating device 2 includes being fixed on the shaft 21 processed on the rear wall of pond 1，Shaft 21 is provided with the agitator disk that can rotate around shaft 21，It is fixed with the first stirring vane 22 that can rotate around shaft 21 successively around agitator disk circumferencial direction on agitator disk、Second stirring vane 23、3rd stirring vane 24 and the 4th stirring vane 25，First stirring vane 21 is positioned opposite with the 3rd stirring vane 24，Second stirring vane 23 is positioned opposite with the 4th stirring vane 25，First stirring vane 22 is arranged vertically with the second stirring vane 23，Second stirring vane 23、The length of the 3rd stirring vane 24 and the 4th stirring vane 25 is 2 times of the first stirring vane 22 length respectively、3 times and 4 times，Due to four stirring vane Length discrepancy，So current will not regular flow when stirring，But it is fully disorderly，Thus ensure that the medicament thrown in processing pond 1 can be sufficiently mixed with water body.
Sewage in regulating reservoir is in water inlet inflow processes pond, first in processing pond 1, stand a period of time, owing to being equipped with in cobble 3 and sewage containing substantial amounts of microorganism in processing pond 1, microbes rests on cobble 3 surface, make cobble 3 surface form Mycoderma, when current contact with Mycoderma, the COD in water (COD) and Biochemical oxygen demand (BOD) can be made all to decline, thus reach de-carbon, phosphorus, the effect of fixed nitrogen.When cobble surface attachment has enough Mycodermas, open agitating device 2, owing to the thickness of cobble 3 and the length sum of the first stirring vane 22 are more than shaft 21 axle center distance to bottom surface, lower process pond 1, so cobble 3 to contacting with cobble 3 and can be stirred by the stirring vane of agitating device 2, it is perpendicular to the baffle plate 250 of the 4th stirring vane 25 owing to the 4th stirring vane 25 end is provided with, when agitating device 2 rotates clockwise, 4th stirring sheet 25 can take up the cobble 3 processed bottom pond 1 under the effect of baffle plate 250, the water body making cobble 3 and process interior top, pond 1 is also fully contacted, thus farthest reach de-carbon, phosphorus, the effect of fixed nitrogen.
Processing pond 1 is the tetrahedral structure that cross section is right-angled trapezium being made up of right-angle surface 11, inclined-plane 12, upper end face 13 and bottom surface 14, and the length of upper end face 13 is arranged vertically more than the length of bottom surface 14, the swash plate 1711 on the inclined-plane 12 and adjustable plate 171 that process pond 1；Process the outlet 16 that pond 1 includes being positioned at the water inlet 15 bottom right-angle surface 11 and being constructed by upper end face 13 and inclined-plane 12, upper end face 13 medial wall is provided with the adjusting means 17 for adjusting the mouth of a river 16 discharge, adjusting means 17 includes the L-shaped fixed mount 170 being fixed on end face 13 medial wall and the adjustable plate 171 that can move horizontally along L-shaped fixed mount 170, and adjustable plate 171 includes the transverse slat 1710 moved along L-shaped fixed mount 170 and becomes 135 ° and the swash plate 1711 of bending downwards with transverse slat 1710.It is the ladder structure of right angle stood upside down by process pond 1 being designed to cross section, and its upper end, inclined-plane 12 is configured to outlet 16 with upper end face 13 right-hand member, make to process the water after pond 1 processes and need toward upper, thus reduce flow rate of water flow to a certain extent, simultaneously because the current after agitating device 2 can be stirred by this inclined-plane 12 play drag effect, so that sewage can flow slowly in processing pond 1, N, P is made to have the enough adsorbed time.nullOn the other hand this inclined-plane 12 coordinates with adjusting means 17，Fully realize the regulation to outlet 16 discharge，Owing to L-shaped fixed mount 170 is provided with 4 in horizontally arranged limited impression 1700，The transverse slat 1710 of adjustable plate 171 is provided with a restriction protrusion 1712 matched with L-shaped fixed mount 170 upper limit groove 1700，Restriction protrusion 1712 is stuck in limited impression 1700，Move horizontally on L-shaped fixed mount 170 so adjustable plate 171 can be realized in being stuck in 4 limited impressions 1700 of L-shaped fixed mount 170 by the restriction protrusion 1712 on transverse slat 1710，When the restriction protrusion 1712 on transverse slat 1710 is in the limited impression 1700 of high order end on L-shaped fixed mount 170，Swash plate 1711 end on adjustable plate 171 is farthest from the distance processing inclined-plane, pond 12，Now the discharge of outlet 16 is maximum，Otherwise，When the restriction protrusion 1712 on transverse slat 1710 is in the limited impression 1700 of low order end on L-shaped fixed mount 170，Swash plate 1711 end on adjustable plate 171 is from inclined-plane 12 closest processing pond 1，Now the discharge of outlet 16 is minimum，The real-time regulation to flow rate of water flow in process pond 1 and outlet 16 flow can be realized by this adjusting means 17，The sewage processed in pond 1 can farthest be processed.
Connecting at water inlet 15 and have water inlet pipe 18, water inlet pipe 18 is positioned at the right side of shaft 21 axis place vertical plane away from place, the end vertical plane of water inlet 15.Agitating device 2 is for rotating clockwise, by water inlet pipe 18, raw sewerage is transferred to the right side of agitating device 2, so that raw sewerage can be stirred in time, enable the sewage just flowed into fully quickly to be sufficiently mixed with medicament, cobble 3 surface Mycoderma etc. in process pond 1, be greatly improved sewage treating efficiency and process quality.
Sewage after treated pond efficiently processes enters precipitation in mudpan 5, and sewage enters mudpan 5, the profile of tooth water leg that heavy tank is lift liquid-level-adjustable in mudpan 5, and its groove homogeneous precipitation effect of catchmenting is preferable；Mud in mudpan 5 carries to sludge concentration tank 6 through automatic sludge sucking pump, is provided with mud nitrification in sludge concentration tank 6, and sludge concentration tank 6 supernatant is back to regulating reservoir 4.
In a word, the foregoing is only presently preferred embodiments of the present invention, all impartial changes made according to scope of the present invention patent and modification, all should belong to the covering scope of patent of the present invention.
Claims (5)
1. urban sewage treatment system, including the regulating reservoir (4) being sequentially connected with by pipeline, processes pond (1), dirt
Mud sump (5) and sludge concentration tank (6), it is characterised in that: the rear wall processing pond (1) is provided with stirring
Device (2), agitating device (2) include being fixed on the shaft (21) processed on pond (1) rear wall and
The first stirring vane (22) that can rotate around shaft (21), the second stirring vane (23), the 3rd stirring
Blade (24) and the 4th stirring vane (25), the first stirring vane (22) and the 3rd stirring vane (24)
Positioned opposite, the second stirring vane (23) is positioned opposite with the 4th stirring vane (25), the first paddle
Sheet (22) is arranged vertically with the second stirring vane (23), the second stirring vane (23), the 3rd stirring vane
(24) and the length of the 4th stirring vane (25) be 2 times of the first stirring vane (22) length respectively, 3
Again with 4 times, the 4th stirring vane (25) end is provided with the baffle plate (250) being perpendicular to the 4th stirring vane (25)；
It is equipped with cobble (3), the thickness of cobble (3) and the length of the first stirring vane (22) in processing pond (1)
Degree sum is more than the distance in shaft (21) axle center to process pond (1) bottom surface.
Urban sewage treatment system the most according to claim 1, it is characterised in that: processing pond (1) is by directly
The cross section that edged surface (11), inclined-plane (12), upper end face (13) and bottom surface (14) form is right-angled trapezium
Tetrahedral structure, and the length of upper end face (13) is more than the length of bottom surface (14)；Process pond (1)
Including being positioned at the water inlet (15) of right-angle surface (11) bottom and by upper end face (13) and inclined-plane (12) structure
The outlet (16) made, upper end face (13) medial wall is provided with the tune for adjusting water outlet saliva flow
Regulating device (17), adjusting means (17) includes the L-shaped fixed mount being fixed on end face (13) medial wall
(170) and the adjustable plate (171) that can move horizontally along L-shaped fixed mount (170), adjustable plate (171) wraps
Include along the transverse slat (1710) of L-shaped fixed mount (170) movement and become 120 °-150 ° with transverse slat (1710)
And the swash plate (1711) of bending downwards.
Urban sewage treatment system the most according to claim 2, it is characterised in that: L-shaped fixed mount (170)
Being provided with 4-8 limited impression (1700), the transverse slat (1710) of adjustable plate (171) is provided with one and L
The restriction protrusion (1712) that shape fixed mount (170) upper limit groove (1700) matches, restriction protrusion (1712)
It is stuck in limited impression (1700).
Urban sewage treatment system the most according to claim 2, it is characterised in that: water inlet (15) place is even
Being connected to water inlet pipe (18), water inlet pipe (18) is positioned at stirring away from place, the end vertical plane of water inlet (15)
The right side of axle (21) axis place vertical plane.
Urban sewage treatment system the most according to claim 2, it is characterised in that: process the inclined-plane in pond (1)
(12) swash plate (1711) with adjustable plate (171) is arranged vertically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510290350.0A CN104876341B (en) | 2015-05-29 | 2015-05-29 | Urban sewage treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510290350.0A CN104876341B (en) | 2015-05-29 | 2015-05-29 | Urban sewage treatment system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104876341A CN104876341A (en) | 2015-09-02 |
| CN104876341B true CN104876341B (en) | 2017-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510290350.0A Expired - Fee Related CN104876341B (en) | 2015-05-29 | 2015-05-29 | Urban sewage treatment system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107500468B (en) * | 2017-07-20 | 2020-11-06 | 安徽师范大学 | Rural dispersion-centralized artificial sponge iron sewage treatment device |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11114542A (en) * | 1997-10-09 | 1999-04-27 | Wing Farm:Kk | Aerobic fermentation treating device |
| CN1127365C (en) * | 2000-05-09 | 2003-11-12 | 泸天化（集团）有限责任公司 | Rotary packed tower |
| CN2429237Y (en) * | 2000-07-05 | 2001-05-09 | 魏荣林 | Granular filtering material filter with mechanic stirrer |
| JP2005312875A (en) * | 2004-04-27 | 2005-11-10 | Antore Chugoku:Kk | Excreta disposal device for indoor portable toilet |
| CN100431983C (en) * | 2006-11-23 | 2008-11-12 | 武汉碧蓝环境工程有限公司 | Forced refluence double-face flow-guiding sewage treatment pool |
| CN201221881Y (en) * | 2008-05-23 | 2009-04-15 | 上海富田空调冷冻设备有限公司 | Throttling device for refrigerator |
| CN202529959U (en) * | 2012-04-13 | 2012-11-14 | 张汝忠 | Excrement treatment device |
| CN203095715U (en) * | 2013-01-11 | 2013-07-31 | 中冶华天工程技术有限公司 | Mud membrane method bioreactor |
| CN203540457U (en) * | 2013-11-07 | 2014-04-16 | 无锡纳润特科技有限公司 | Stirring bar with multilayer stirring plates |
| CN104624106A (en) * | 2013-11-07 | 2015-05-20 | 无锡纳润特科技有限公司 | Stirring bar with multilayer stirring plates |
| CN203700010U (en) * | 2014-01-07 | 2014-07-09 | 上海清浥环保科技有限公司 | Aerated stirring biochemical reactor |
| CN103754985B (en) * | 2014-01-22 | 2015-02-18 | 中机国际工程设计研究院有限责任公司 | Kitchen wastewater oil-water separation device |
| CN104162377B (en) * | 2014-07-24 | 2016-07-13 | 重庆大学 | A kind of quick mixed stirring device reducing anaerobic reaction-pot dead band and method |
| CN104624079A (en) * | 2014-12-29 | 2015-05-20 | 河南豫光金铅股份有限公司 | Metallurgical furnace sealing slurry preparation machine |
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Granted publication date: 20170104 Termination date: 20180529 |