CN204939208U - Circular form domestic sewage purification system - Google Patents
Circular form domestic sewage purification system Download PDFInfo
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- CN204939208U CN204939208U CN201520649594.9U CN201520649594U CN204939208U CN 204939208 U CN204939208 U CN 204939208U CN 201520649594 U CN201520649594 U CN 201520649594U CN 204939208 U CN204939208 U CN 204939208U
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Abstract
The utility model discloses a kind of circular form domestic sewage purification system, comprise system for anaerobic treatment and artificial wet land system, described system for anaerobic treatment is connected with sewage water inlet pipe, system for anaerobic treatment is connected to artificial wet land system by sewage rising pipe, be communicated with bottom system for anaerobic treatment by sludge circulation pipe bottom artificial wet land system, biogas prolong is provided with bottom artificial wet land system, and artificial wet land system is connected with delivery pipe, system for anaerobic treatment and artificial wet land system top are provided with biogas transfer lime, the entrance end of biogas prolong is communicated with the biogas transfer lime at system for anaerobic treatment top, exit end is communicated with the biogas transfer lime at artificial wet land system top.The utility model can reduce the sludge yield of system, increases the biogas output of anaerobic part, and when additionally not adding power, improves the effect of sewage disposal, improves effluent quality.
Description
Technical field
The utility model relates to a kind of efficient circular form domestic sewage purification system easily, is mainly applicable to the sanitary sewage disposal of villages and small towns dispersion resident.
Background technology
At present, in rural areas in our country, pollute due to life in the countryside and be not effectively controlled, directly discharge, hazardous and noxious substances concentration in water body is increased, and Eutrophic Extent is serious.But because Chinese rural is lived scattered mostly, and part rural energy is in short supply, to the cost of sewage treatment facility and horsepower requirements comparatively strict, the improvement of domestic sewage in rural areas is restricted.Technically, Rural areas processes sanitary sewage at present and mainly uses methane-generating pit, septic tank, domestic sewage purifying tank, artificial swamp processes, many research has been done in correlation technique by China, as Chinese patent " CN201510253150.8 " discloses a kind of hydrocoles strengthening surface flow artificial marshland, publication date is on 08 05th, 2015, by adding hydrocoles loach and river snail in wetland, improve wetland substrate microbial population stability, add the contact of bed mud and water body, decrease the organic accumulation of bed mud, significantly reduce water turbidity, simultaneously, increase the contact area of wetland bed body and water body, enhance wetland substrate to the absorption of water pollutant and degradation capability, and for example Chinese patent " CN201320574411 " lacks the sewage disposal device simple, cost is low for vast Rural areas, provide a kind of bilayer structure sewage purifier, publication date is on 03 05th, 2014, in this equipment slots intracoelomic cavity, layer of plants and adsorption layer are set from top to bottom, structure is simple, simple operation, later maintenance management is also very convenient, and use procedure is not consumed energy without the need to power wheel drive, effectively can promote life in the countryside environment, protection water pollution in countryside.
But, still there are some problems in existing purifying domestic sewage treatment system, single treatment unit is difficult to the requirement reaching sanitary sewage disposal, as the sanitary sewage through septic tank process is difficult to up to standard on the treatment effect of nitrogen phosphorus, therefore normal system for anaerobic treatment and artificial swamp to be combined, but current combination is only simply the water outlet of pretreating device is entered subsequent processes, the energy cascade that there is no optimization in the entire system utilizes the design of facility and mud and effluent cycle process, and combined domestic sewage processing system management is loaded down with trivial details, relative to individual curing system, processing efficiency improves limited, these all limit the promotion and application of said system in rural areas in our country.
Summary of the invention
The purpose of this utility model is the problems referred to above overcoming prior art existence, provides a kind of circular form domestic sewage purification system.The utility model passes through at the energy to various treatment system, on the understanding of biotic component feature and regulatory requirement and the basis of analysis, there is provided a kind of and combine the treatment system of circulation interlock more closely, reduce the workload of the combined facility maintenance management of anaerobic treatment facility and artificial swamp, the sludge yield of minimizing system, increases the biogas output of anaerobic part, and when additionally not adding power, improve the effect of sewage disposal, improve effluent quality.
For achieving the above object, the technical solution adopted in the utility model is as follows:
A kind of circular form domestic sewage purification system, it is characterized in that: comprise system for anaerobic treatment and artificial wet land system, described system for anaerobic treatment is connected with sewage water inlet pipe, system for anaerobic treatment is connected to artificial wet land system by sewage rising pipe, be communicated with bottom system for anaerobic treatment by sludge circulation pipe bottom artificial wet land system, biogas prolong is provided with bottom artificial wet land system, and artificial wet land system is connected with delivery pipe, system for anaerobic treatment and artificial wet land system top are provided with biogas transfer lime, the entrance end of biogas prolong is communicated with the biogas transfer lime at system for anaerobic treatment top, exit end is communicated with the biogas transfer lime at artificial wet land system top.
Arrange the acclive mud receiving tank of tool bottom described artificial wet land system, arrange sludge circulation pipe bottom mud receiving tank, the caliber of sludge circulation pipe is more than or equal to 50mm, and the backflow gradient is more than or equal to 5%, and sludge circulation pipe is provided with vacuum breaker.
Described biogas prolong is that roundabout shape is laid along artificial wet land system bottom transverse, and tube spacing is 15 to 20 times of caliber, lays the gradient and is more than or equal to 2%.
Biogas transfer lime on described system for anaerobic treatment is communicated with sludge circulation pipe by condensate return pipe.
Described artificial wet land system is also connected with wetland regulation of level pipe.
Described system for anaerobic treatment is the anaerobic processing devices such as methane-generating pit, septic tank or domestic sewage purifying tank.
Described artificial wet land system is free water surface wetland or biological floating island type wetland, and artificial wet land system is provided with packing area, and packing area is provided with wet land filler, and wet land filler is biologic packing material or filtrate.
Employing the utility model has the advantage of:
One, in the utility model, the temperature difference taken full advantage of between wetland and anaerobic system has carried out condensation to the moisture in biogas, simultaneously, the heat of anaerobic system biochemical reaction release is delivered to wet land system by biogas, when making envrionment temperature lower, ensure the water temperature in wetland to a certain extent, improve plant and microbial growth condition in wetland, ensure treatment effect.
Two, in the utility model, by arranging the mode of mud receiving tank at artificial wet land system, by the mud automatic back flow that comes off in wetland to the anaerobic treatment facility of sanitary sewage, this not only adds the microorganism concn of system for anaerobic treatment, reduce the turbidity of water outlet, also make the mud of artificial wet land system obtain sufficient process, decrease the workload of wetland labor cleaning.
Three, in the utility model, part of contaminated water, have passed through anaerobism-hold concurrently after oxygen process, can circulate with in sludge reflux to system for anaerobic treatment, makes it repeated multiple timesly carry out anaerobism-dissolved oxygen-biology/plant treatment process, contribute to the removal of nitrogen phosphorus, alleviate the eutrophication pollution of water body.
Four, in the utility model, system for anaerobic treatment and artificial wet land system all have broad variety, can flexible configuration, applied widely.
Five, in the utility model, whole process is without the need to additionaling power, and can realize circulation and water outlet by sewage self-flowing and system for anaerobic treatment biogas pressure, energy consumption is low, and running cost is low.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation
Fig. 2 is the biogas prolong laying structure schematic diagram bottom the utility model artificial swamp
Be labeled as in figure: 1, system for anaerobic treatment, 2, artificial wet land system, 3, sludge circulation pipe, 4, biogas prolong, 5, condensate return pipe, 6, vacuum breaker, 7, wet land filler, 8, biogas transfer lime, 9, mud receiving tank, 10, wetland regulation of level pipe, 11, sewage water inlet pipe.
Embodiment
Embodiment 1
A kind of circular form domestic sewage purification system, comprise system for anaerobic treatment 1 and artificial wet land system 2, described system for anaerobic treatment 1 is connected with sewage water inlet pipe 11, system for anaerobic treatment 1 is connected to artificial wet land system 2 by sewage rising pipe, be communicated with bottom system for anaerobic treatment 1 by sludge circulation pipe 3 bottom artificial wet land system 2, biogas prolong 4 is provided with bottom artificial wet land system 2, and artificial wet land system 2 is connected with delivery pipe, system for anaerobic treatment 1 and artificial wet land system 2 top are provided with biogas transfer lime 8, the entrance end of biogas prolong 4 is communicated with the biogas transfer lime at system for anaerobic treatment 1 top, exit end is communicated with the biogas transfer lime at artificial wet land system 2 top.
Arrange the acclive mud receiving tank 9 of tool bottom described artificial wet land system 2, arrange sludge circulation pipe 3 bottom mud receiving tank 9, the caliber of sludge circulation pipe 3 is more than or equal to 50mm, and the backflow gradient is more than or equal to 5%, and sludge circulation pipe 3 is provided with vacuum breaker 6.
Described biogas prolong 4 is that roundabout shape is laid along artificial wet land system 2 bottom transverse, and tube spacing is 15 to 20 times of caliber, lays the gradient and is more than or equal to 2%.
Biogas transfer lime on described system for anaerobic treatment 1 is communicated with sludge circulation pipe 3 by condensate return pipe 5.
Described artificial wet land system 2 is also connected with wetland regulation of level pipe 10.
Described system for anaerobic treatment 1 is the anaerobic processing devices such as methane-generating pit, septic tank or domestic sewage purifying tank.And by sealing, buried, be coated with lagging material, the measures such as covering and heat insulating film keep temperature in pond, guarantee treatment effect.
Described artificial wet land system 2 is free water surface wetland or biological floating island type wetland, and artificial wet land system is provided with packing area, and packing area is provided with wet land filler 7, and wet land filler 7 is biologic packing material or filtrate.
Principle of work of the present utility model is as follows:
Sewage enters system for anaerobic treatment 1 by drainage pipeline, in such a system, remove after macrobead suspended substance precipitation in sanitary sewage, organic pollutant is by the microbial metabolism action breaks in system, and release of heat, when Insulation is perfect, in anaerobic pond, temperature is higher than envrionment temperature.The biogas produced in pond contains a large amount of water vapour, by biogas by the biogas prolong 4 bottom wetland, water temperature lower in wetland is utilized to allow condensate moisture in pipe, simultaneously, the energy of system for anaerobic treatment passes to wet land system by the temperature difference of biogas and wetland water body, to ensure the operating performance of the wetland when envrionment temperature is lower.Water vapour in biogas through wetland water body cooling after by condensate return pipe 5 in be back in system for anaerobic treatment 1, biogas delivers to user by biogas transfer lime 8.System for anaerobic treatment 1 water outlet enters artificial wet land system 2, carries out deep purifying, discharge after water quality reaching standard at wetland by modes such as natural reaeration, absorption, biological decomposition.Microbial film in wetland and mud come off in packing area with after plant root growth for some time, and the mud after coming off flows back to anaerobic system by sludge circulation pipe 3 to carry out fermenting and processing.
Two systems are organically combined by sludge circulation and biogas condensation by the utility model, and the temperature difference made full use of between wetland and anaerobic system has carried out condensation to the moisture in biogas, also ensure the water temperature in wetland to a certain extent, improve effluent quality.Meanwhile, by sludge circulation, by wetland mud automatic back flow to the anaerobic treatment facility of sanitary sewage, add the microorganism concn in anaerobic treatment district, reduce the turbidity of water outlet, make the mud of Humid Area obtain sufficient process, decrease the workload of wetland labor cleaning.Whole treatment system energy consumption is low, convenient management, and treatment effect improves obviously.
Embodiment 2
A kind of efficient circular form domestic sewage purification system easily, system is mainly divided into system for anaerobic treatment 1, artificial wet land system 2 double diffusion system, the energy efficient realized between two systems by sludge circulation pipe 3 and biogas prolong 4 is utilized and material cycle, all the other facilities comprise condensate return pipe 5, vacuum breaker 6, wet land filler 7, biogas transfer lime 8, mud receiving tank 9, wetland regulation of level pipe 10, sewage water inlet pipe 11 etc.
System for anaerobic treatment 1 can be the anaerobic processing devices such as methane-generating pit, septic tank, domestic sewage purifying tank, and by sealing, buried, be coated with lagging material, the measures such as covering and heat insulating film keep temperature in pond.
Can be free water surface wetland in artificial wet land system 2, can be also biological floating island type wetland, wet land filler 7 can be biologic packing material, also can be filtrate.
Biogas transfer lime 8 can be rigid pipe or metal hose, and caliber is 10-20mm, and biogas prolong 4 is rigid conduit, is layed in bottom wetland, and the transverse direction along wetland is laid, and tube spacing d is 15 to 20 times of caliber, and laying the gradient must not be less than 2%.
Arrange mud receiving tank 9 bottom described wetland, trench bottom lays sludge circulation pipe, and its caliber is not less than 50mm, and the backflow gradient is not less than 5%, and pipeline should establish vacuum breaker 6.
Embodiment 3
A kind of efficient circular form domestic sewage purification system easily, system is mainly divided into system for anaerobic treatment 1, artificial wet land system 2 double diffusion system, the energy efficient realized between two systems by sludge circulation pipe 3 and biogas prolong 4 is utilized and material cycle, all the other facilities comprise condensate return pipe 5, vacuum breaker 6, wet land filler 7, biogas transfer lime 8, mud receiving tank 9 etc.
A kind of optimization design of the present utility model is, system for anaerobic treatment 1 is set to septic tank, and whitewashes lagging material, ensures that in pond, temperature is higher than ambient temperature, the biogas that its anaerobic process produce is the bottom of 10mm biogas prolong 4 by artificial wet land system by caliber, and laying the gradient is 2%.Because temperature in its anaerobic pond is higher than ambient temperature, in autumn and winter or other temperature lower seasons, the biogas that in prolong, temperature is relatively high can make the temperature bottom wetland alleviate by the impact of environmental factors, thus improves the treatment effect of artificial swamp.Meanwhile, the water in artificial swamp can make the water vapor condensation in biogas, and water of condensation is refluxed by reflux line, and the biogas through dehydration then leads to user's use.
Embodiment 4
Another kind of optimization design of the present utility model is, system for anaerobic treatment 1 is set to domestic sewage purifying tank, in pond, sanitary sewage carries out precipitating and anaerobic treatment, artificial wet land system 2 adopts surface current artificial wetland, sewage through anaerobic treatment enters artificial swamp, by contacting with air, and reoxygenation in water, oxygen in water is increased, under the effect of microorganism and plant, carries out nitration reaction.Artificial swamp wetland regulation of level pipe 10 is adjusted to high-water, and the part biogas using or emit in system for anaerobic treatment 1, the subatmospheric of high-water and system for anaerobic treatment 1 can make the water in wetland be refluxed by sludge recirculation system, be back in system for anaerobic treatment, carry out the sewage under anaerobic denitrification after nitration reaction, the nitrogen in waste water is removed.Make sewage through the process of anaerobic-aerobic-oxygen of holding concurrently by sludge recirculation system and wetland regulation of level pipe, improve the Nitrogen/Phosphorus Removal of system, improve effluent quality.
Embodiment 5
Another kind of optimization design of the present utility model is that 1 is set to septic tank, and artificial wet land system 2 adopts biological floating island type artificial swamp, in wetland, filler adopts Active biological filler, arrange mud receiving tank 9 bottom wetland, sludge circulation pipe 3 caliber gets 75mm, and conduit slope gets 5%.After artificial swamp runs for some time, the mud that plant root and filler adhere to can come off, these mud will flow in mud receiving tank along slope, the wetland regulation of level pipe 10 of artificial swamp is adjusted to a high position, and a part of biogas using or emit in anaerobic pond, the subatmospheric of high-water and system for anaerobic treatment can make sewage in pond be back in system for anaerobic treatment by sludge circulation pipe 3, and the mud come off will be back in system for anaerobic treatment 1 with sewage, these returned sluges can increase the microorganism concn of system for anaerobic treatment 1, enrich its biotic population, also can be utilized by microorganism simultaneously and decompose, form methane, for user.The cleaning of whole mud and treating processes very easy, entirely to complete by sewage flow by gravity, without additional energy, need the part of labor management few.This kind of mud manner of cleaning up greatly reduces consumption that the is artificial and energy, and high-efficiency environment friendly.
Obviously; those of ordinary skill in the art is according to grasped technical knowledge and customary means; according to above said content, can also make the various ways not departing from the utility model basic fundamental thought, these pro forma conversion are all within protection domain of the present utility model.
Claims (7)
1. a circular form domestic sewage purification system, it is characterized in that: comprise system for anaerobic treatment (1) and artificial wet land system (2), described system for anaerobic treatment (1) is connected with sewage water inlet pipe (11), system for anaerobic treatment (1) is connected to artificial wet land system (2) by sewage rising pipe, artificial wet land system (2) bottom is communicated with system for anaerobic treatment (1) bottom by sludge circulation pipe (3), artificial wet land system (2) bottom is provided with biogas prolong (4), and artificial wet land system (2) is connected with delivery pipe, system for anaerobic treatment (1) and artificial wet land system (2) top are provided with biogas transfer lime (8), the entrance end of biogas prolong (4) is communicated with the biogas transfer lime at system for anaerobic treatment (1) top, exit end is communicated with the biogas transfer lime at artificial wet land system (2) top.
2. circular form domestic sewage purification system according to claim 1, it is characterized in that: described artificial wet land system (2) bottom arranges the acclive mud receiving tank (9) of tool, mud receiving tank (9) bottom arranges sludge circulation pipe (3), the caliber of sludge circulation pipe (3) is more than or equal to 50mm, the backflow gradient is more than or equal to 5%, and sludge circulation pipe (3) is provided with vacuum breaker (6).
3. circular form domestic sewage purification system according to claim 2, it is characterized in that: described biogas prolong (4) is that roundabout shape is laid along artificial wet land system (2) bottom transverse, tube spacing is 15 to 20 times of caliber, lays the gradient and is more than or equal to 2%.
4. circular form domestic sewage purification system according to claim 3, is characterized in that: the biogas transfer lime on described system for anaerobic treatment (1) is communicated with sludge circulation pipe (3) by condensate return pipe (5).
5. circular form domestic sewage purification system according to claim 4, is characterized in that: described artificial wet land system (2) is also connected with wetland regulation of level pipe (10).
6. circular form domestic sewage purification system according to claim 5, is characterized in that: described system for anaerobic treatment (1) is methane-generating pit, septic tank or domestic sewage purifying tank.
7. circular form domestic sewage purification system according to claim 6, it is characterized in that: described artificial wet land system (2) is free water surface wetland or biological floating island type wetland, artificial wet land system (2) is provided with packing area, packing area is provided with wet land filler (7), and wet land filler (7) is biologic packing material or filtrate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520649594.9U CN204939208U (en) | 2015-08-26 | 2015-08-26 | Circular form domestic sewage purification system |
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| CN201520649594.9U CN204939208U (en) | 2015-08-26 | 2015-08-26 | Circular form domestic sewage purification system |
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| CN204939208U true CN204939208U (en) | 2016-01-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111453940A (en) * | 2020-05-11 | 2020-07-28 | 沈阳农业大学 | Constructed wetland device with water purification and marsh gas collection functions |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111453940A (en) * | 2020-05-11 | 2020-07-28 | 沈阳农业大学 | Constructed wetland device with water purification and marsh gas collection functions |
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