CN203144239U - Organic wastewater treatment system - Google Patents
Organic wastewater treatment system Download PDFInfo
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- CN203144239U CN203144239U CN 201320093219 CN201320093219U CN203144239U CN 203144239 U CN203144239 U CN 203144239U CN 201320093219 CN201320093219 CN 201320093219 CN 201320093219 U CN201320093219 U CN 201320093219U CN 203144239 U CN203144239 U CN 203144239U
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Abstract
The utility model belongs to the technical field of environmental protection, and particularly relates to an organic wastewater treatment system. The organic wastewater treatment system comprises a sedimentation tank, an anaerobic tank, a composite tower-type ecological filter, an aquatic plant pond and a biogas reactor, wherein a water outlet is formed in the sedimentation tank and is sequentially connected with the anaerobic tank and the composite tower-type ecological filter through a pipeline; and meanwhile, the sedimentation tank is connected with the biogas reactor through a pipeline. Due to the combined effect of the composite tower-type ecological filter and the anaerobic tank, the economic efficiency of the organic wastewater treatment system is improved, the energy source yield rate of the biogas reactor is increased, and the purposes of ecologicalization, low cost and sustainability are achieved in the wastewater treatment process.
Description
Technical field
The utility model belongs to field of environment protection, is specifically related to a kind of system that handles organic waste water.
Background technology
Along with the transformation of China's Rural areas rapid economy development and production and mode of life, by sanitary sewage and livestock breeding wastewater arbitrarily the contamination phenomenon that causes of discharging just be and constantly increasing the weight of trend.At present, domestic sewage in rural areas by using and breeding wastewater have become and cause ingoing river to pollute, the important cause that the lake eutrophication phenomenon takes place.Therefore, for strengthening water resources protection, improve the rural ecological environment, improve the life of farmers quality, sewage disposal technology and technology that exploitation is fit to China's rural area characteristics are imperative.
The combined type ecological filter is as improvement and the raising of tower earthworm ecological filter tank, formed by high-order distributing trough and one or more levels ecological trickling filter, the trickling filter top layer is the land percolation system, lower floor is the biological filter, biologic packing material grating by different-grain diameter forms, made up with microorganism, plant, animal, fillers etc. are the ecological type sewage treatment system of principal element, efficiently solve the oxygenation problem in the sewage disposal, nitration denitrification effect under the low ratio of carbon to ammonium condition, tp removal rate is crossed the low insurmountable gordian technique difficult problem of general filter chamber that waits, and effluent quality is up to standard.
Anaerobically fermenting is that refuse is under anaerobic stabilized by the Metabolic activity of microorganism, simultaneously with methane and CO
2Produce.Liquefaction stage mainly is that fermenting bacteria is worked, and comprises cellulose-decomposing bacterium and proteolysis bacterium, produces acid phase so long as acetic bacteria works, and producing methane phase mainly is methanogen, and the product degradation that they will produce the acid phase generation becomes methane and CO
2Utilize the hydrogen that produces the acid phase generation with CO simultaneously
2Be reduced into methane.
The technological core of the bio-toilet of Japan Science and Technology Agency development utilizes anaerobion fermentation principle exactly, not with the media of water as transportation ight soil, to have the sawdust of good porousness, water-absorbent, drainage as the breeding place of microorganism, in reactor, carry out the artificial-strengthening compost treatment.Bio-toilet makes the breeding fast in the peculiar environment that mixes with sawdust of aerobic microorganism by conditions such as control temperature, humidity, accelerates organic decomposition, and its product can be used as organic fertilizer and soil improvement agent.
Compound tower ecological filter and anaerobic ferment process have obtained good application in the disposal of actual pollutent, but consider for satisfying the practical application request angle, also need to reduce processing costs and realize that to greatest extent the recycling aspect conducts a research from improving comprehensive treatment capability.
Summary of the invention
The purpose of this utility model provides a kind of system that utilizes compound tower ecological filter and anaerobion fermentation in combining to handle organic waste waters such as sanitary sewage.This system can improve the sewage purification degree, improves bio-reactor energy output capacity, makes sewage treatment process realize ecology, low cost and sustainableization.
The utility model discloses a kind of system that handles organic waste water, it comprises settling tank, anaerobic pond, compound tower ecological filter, the waterplant pool and biogas reactor, described settling tank is provided with water outlet, and described water outlet is connected with anaerobic pond, compound tower ecological filter successively by pipeline; Described settling tank links to each other with the biogas reactor by pipeline respectively simultaneously.
In the utility model, anaerobic pond is selected from one or more in full mixed anaerobic reaction device, two-phase anaerobic reactor or the pulling flow type anaerobic reactor.
In the utility model, described compound tower ecological filter is made up of high-order distributing trough and one or more levels ecological trickling filter, and the trickling filter top layer is the land percolation system, and lower floor is the biological filter, is formed by the biologic packing material grating of different-grain diameter.
The technical process of the employing of the system of processing organic waste water is as follows in the utility model: earlier organic waste water is carried out solid-liquid separation, isolated waste water carries out pre-treatment through anaerobic pond, passing through multistage " anaerobism+aerobic " of compound tower ecological filter again handles, last water outlet enters the further advanced treatment in the waterplant pool, and water outlet can reach the one-level A standard of town sewage discharging; Isolated solid and organic solid giving up are carried out hybrid anaerobic fermentation with output biogas (a kind of is the gas of main combustiblecomponents with methane and hydrogen).
Wherein, organic waste water can be domestic sewage in rural areas by using, one or more in livestock breeding wastewater and the food processing wastewater.Organic solid giving up is selected from stalk, one or more in eat surplus rubbish, active sludge or the ight soil.
When carrying out hybrid anaerobic fermentation, the anaerobion treatment facility can adopt one or more in full mixed anaerobic reaction device, two-phase anaerobic reactor or the pulling flow type anaerobic reactor.
Specifically, at first the sewage of higher suspension solids content is entered settling tank and carry out solid-liquid separation, the supernatant liquor of settling tank pumps into the anaerobic treatment pond, effect through anaerobion, water outlet enters compound tower ecological filter, by the synergy removal most COD wherein of plant in the filter bed and microorganism, target contaminants such as TN and TP.The hydraulic detention time of sewage in this filter tank is 2 ~ 4 hours, and hydraulic load is controlled at 1m
3/ (m
2.d) about.This processing unit is to COD, NH
4 +The clearance of-N, TN and TP is respectively 80%, 85%, more than 71%, 83%.The water outlet of compound tower ecological filter enters the waterplant pool, further remove remaining nitrogen phosphorus in the water by the effect of plant, sewage can change according to the variation of influent concentration, envrionment temperature, floristics and processing unit type at the hydraulic detention time of this processing unit, generally speaking, the treatment time of waste water in the waterplant pool is 2 ~ 12 days.Can also supply raw materials for biological solid/liquid/gas reactions device when reinforcement removes nitrogen phosphorus in the waterplant pool.Sediment and the stalk that the waterplant pool and settling tank precipitate or the surplus rubbish of eating etc. are that the proportion relation of 20 ~ 30:1 is prepared burden by the C/N ratio, and the stack retting that can carry out outside reactor after mixing 5 ~ 7 days is handled, and also can directly send into the biogas reactor.Adopting under the full mixing reactor situation, the TS concentration of control reaction feed liquid is 6% ~ 15%, reactor adopts the mode of intermittent feeding to carry out, and feed space was divided into 10 ~ 15 days, and it is the biogas of main combustiblecomponents that the effect of raw material by anaerobion is converted into methane and hydrogen.The biogas that produces can be directly as fuel or further be converted into heat energy or electric energy is used, the residue that the biogas reactor is discharged can directly or be used as fertilizer after processing.Multiple raw material of different nature is put together and is carried out hybrid anaerobic fermentation and have balanced nutrients, reduce effects such as to produce synergistic effect between inhibition and the reaction product, so can improve raw material energy output capacity in the fermenting process, especially with readily biodegradable raw material and stalks such as the ight soil under the settlement of sewage, mud, waterplant etc. not readily biodegradable raw material carry out mixed fermentation, can significantly improve the latter's biological degradation rate, thereby improve the energy output of system.
Related organic wastewater treating system in the utility model has following beneficial effect:
" compound tower ecological filter+anaerobion " united use, makes sewage disposal technology and bioenergy utilization technology organically combine, when enhanced sewage is handled, also output clean energy, improved the economy of system;
2. utilize whole system, adopt bioremediation, sharing out the work and helping one another and having complementary advantages and to make sewage treatment process realize " ecology, low cost and sustainableization " by plant and microorganism (anerobe);
When 3. adopting native system, can be with several composition differences, the different raw material of degradation characteristic carries out hybrid anaerobic fermentation, thereby improves the biological degradation rate of lignocellulose raw material, strengthen the nutritive equilibrium of anaerobic biological treatment, can reach the purpose that improves bio-reactor energy output capacity.
Description of drawings
Fig. 1 is the synoptic diagram of the system of processing organic waste water of the present utility model.
Fig. 2 is the process flow sheet of combination treatment organic waste water of the present utility model.
Embodiment
Embodiment 1
Below in conjunction with drawings and Examples the utility model is described in further detail.
The system of the processing organic waste water that adopts in the utility model comprises settling tank, anaerobic pond, compound tower ecological filter, the waterplant pool and biological device reactor.Be illustrated in figure 1 as the synoptic diagram of the system that handles organic waste water.It comprises settling tank, anaerobic pond, compound tower ecological filter, the waterplant pool and biogas reactor, sets out the mouth of a river on the settling tank, and water outlet is connected with anaerobic pond, compound tower ecological filter successively by pipeline; Settling tank links to each other with the biogas reactor by pipeline respectively simultaneously.
Fig. 2 is the process flow sheet that utilizes system handles organic waste water in the utility model, and specific examples is as follows:
Carry out solid-liquid separation from entering settling tank after the various sewage of toilet, kitchen and laundry discharging are collected by pipeline, sewage after the separation pumps into anaerobic pond, handle via compound tower ecological filter then, handle COD and the N of back more than 75%, the P more than 75% obtains removing.The filter tank water outlet enters the waterplant pool (Herba Eichhorniae) and is for further processing, and waste water should be greater than 10 days at the hydraulic detention time on the waterplant pool, and water temperature is not less than 10 ℃, can make TN after the processing, the TP clearance reaches more than 90%, and the COD clearance is greater than 92%, and the realization qualified discharge.The solid of collecting from settling tank and Herba Eichhorniae and maize straw mix the full mixed biologic solid/liquid/gas reactions device of input in the ratio (mass ratio, C/N are 25:1) of 1:3:6 and carry out anaerobic biological treatment, can consider to add a certain amount of NH
4HCO
3Improving the basicity of fermented feed liquid, is 35 ℃ at the control leavening temperature, and under the situation that is spaced apart 15 days that feeds intake, the factor of created gase of raw material reaches as high as 390L/kgTS, and the biogas methane content is about 60%, and the reactor volume factor of created gase is greater than 0.7m
3/ m
3.d.The biogas of output through purifying treatment such as desulfurization dewaterings after, can be directly as fuel or further be converted into electric energy and be used, the residue that the fermentation back produces can be directly or through after the further processing as farmland, fertilizer torrid zone.
This technology has realized the multiple target that improves environmental quality, obtains bioenergy and promote ecological agriculture development by the recycle of waste.
Claims (4)
1. system that handles organic waste water, it is characterized in that: this system comprises settling tank, anaerobic pond, compound tower ecological filter, the waterplant pool and biogas reactor; Described settling tank is provided with water outlet, and described water outlet is connected with anaerobic pond, compound tower ecological filter successively by pipeline; Described settling tank links to each other with the biogas reactor by pipeline simultaneously.
2. the system of processing organic waste water according to claim 1, it is characterized in that: described compound tower ecological filter, formed by high-order distributing trough and one or more levels ecological trickling filter, the trickling filter top layer is the land percolation system, lower floor is the biological filter, and the biologic packing material grating by different-grain diameter forms.
3. the system of processing organic waste water according to claim 1, it is characterized in that: described anaerobic pond is selected from one or more in full mixed anaerobic reaction device, two-phase anaerobic reactor or the pulling flow type anaerobic reactor.
4. the system of processing organic waste water according to claim 1, it is characterized in that: described organic waste water is selected from domestic sewage in rural areas by using, one or more in livestock breeding wastewater and the food processing wastewater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320093219 CN203144239U (en) | 2013-03-01 | 2013-03-01 | Organic wastewater treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320093219 CN203144239U (en) | 2013-03-01 | 2013-03-01 | Organic wastewater treatment system |
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| Publication Number | Publication Date |
|---|---|
| CN203144239U true CN203144239U (en) | 2013-08-21 |
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ID=48971782
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|---|---|---|---|
| CN 201320093219 Expired - Fee Related CN203144239U (en) | 2013-03-01 | 2013-03-01 | Organic wastewater treatment system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104193120A (en) * | 2014-09-28 | 2014-12-10 | 镇江华域环保设备制造有限公司 | Biological filter for sewage treatment |
| CN105585210A (en) * | 2015-12-23 | 2016-05-18 | 常熟理工学院 | Novel technology for treating aquaculture wastewater of fungus-aquatic plant symbiotic system |
| CN105601069A (en) * | 2015-11-16 | 2016-05-25 | 中和荣华环保科技(北京)有限公司 | Quick starting system and method for producing methane through anaerobic digestion of sludge |
| CN110204138A (en) * | 2019-04-22 | 2019-09-06 | 中节能兆盛环保有限公司 | A kind of compound tower-type domestic sewage in rural areas centralized processing technique |
| CN114349549A (en) * | 2022-01-30 | 2022-04-15 | 生态环境部南京环境科学研究所 | Low-carbon-emission treatment method for aquatic plant residues |
-
2013
- 2013-03-01 CN CN 201320093219 patent/CN203144239U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104193120A (en) * | 2014-09-28 | 2014-12-10 | 镇江华域环保设备制造有限公司 | Biological filter for sewage treatment |
| CN104193120B (en) * | 2014-09-28 | 2016-05-25 | 镇江华域环保设备制造有限公司 | Biofilter is used in a kind of sewage disposal |
| CN105601069A (en) * | 2015-11-16 | 2016-05-25 | 中和荣华环保科技(北京)有限公司 | Quick starting system and method for producing methane through anaerobic digestion of sludge |
| CN105585210A (en) * | 2015-12-23 | 2016-05-18 | 常熟理工学院 | Novel technology for treating aquaculture wastewater of fungus-aquatic plant symbiotic system |
| CN110204138A (en) * | 2019-04-22 | 2019-09-06 | 中节能兆盛环保有限公司 | A kind of compound tower-type domestic sewage in rural areas centralized processing technique |
| CN114349549A (en) * | 2022-01-30 | 2022-04-15 | 生态环境部南京环境科学研究所 | Low-carbon-emission treatment method for aquatic plant residues |
| CN114349549B (en) * | 2022-01-30 | 2023-02-24 | 生态环境部南京环境科学研究所 | Low-carbon-emission treatment method for aquatic plant residues |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130821 Termination date: 20180301 |