CN102583754A - Application of camellia in purifying livestock and poultry culture biogas slurry - Google Patents
Application of camellia in purifying livestock and poultry culture biogas slurry Download PDFInfo
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- CN102583754A CN102583754A CN2012100173711A CN201210017371A CN102583754A CN 102583754 A CN102583754 A CN 102583754A CN 2012100173711 A CN2012100173711 A CN 2012100173711A CN 201210017371 A CN201210017371 A CN 201210017371A CN 102583754 A CN102583754 A CN 102583754A
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Abstract
The invention discloses an application of camellia in purifying livestock and poultry culture biogas slurry, and belongs to the field of waste water treatment. The camellia is planted in the livestock and poultry culture biogas slurry polluted environment; and the characteristics that the absorption action of the camellia on polluted substances, such as NH4<+>-N, TN (total nitrogen), TP (total phosphorus), CODcr (Chemical Oxygen Demand Cr) and the like in the livestock and poultry culture biogas slurry, the camellia has tenacious vitality, can be directly planted, does not special management and is perennial are fully utilized so as to permanently solve the pollution problem of the livestock and poultry culture biogas slurry. The camellia has the advantages of small investment, low operation cost and good effect, is simple to operate and is easy to realize, and secondary pollution can be avoided while the winter purification effect is guaranteed. The harvested camellia can be used for treating nosebleed, hemoptysis, cough, burnt and scald, mosquito bites and the like. When the camellia is used for treating waste water, sewage treatment and landscape construction are combined to embody the sustainable development ideas considering the sewage treatment, ecological restoration, landscape construction and economic benefits, and the theoretical research and the practical application are combined.
Description
Technical field
The present invention relates to livestock and poultry cultivation natural pond liquid process field, particularly a kind of constructed wetland plant purifies the application of livestock and poultry cultivation natural pond liquid.
Background technology
In recent years; Fast development along with the livestock and poultry breeding industry of mass-producing, intensification; The environmental pollution that the livestock culture industry is brought is serious day by day, and it all causes very big threat to rural potable water safety, irrigation water, soil, agricultural-food and air quality and rural people's habitat environment.Anaerobic digestion techniques has obtained application widely in the exploitation of the bioenergy of livestock breeding wastewater aspect Pollution abatement, can suppress the primary pollution of livestock breeding wastewater effectively; But the natural pond liquid of many large-scale cultivations field directly effluxes, and has caused serious secondary pollution, and it is the only way of thorough harmless treatment of aquaculture wastewater and recycling that the ecological purification of livestock and poultry cultivation natural pond liquid is handled.
Just present China aquaculture natural pond liquid water quality situation; Simple physics, chemistry or the bioremediation of adopting all is difficult to reach emission request; Need to adopt multiple treatment process process combined, but cause waste water treatment process technical requirements height, investment and working cost too high, be difficult to promote the use of.The artificial swamp technology can remedy the limitation that existing aquaculture economic capability is limited, lack the technician that certain operation and level of management are arranged just, especially is fit to be located in the plant of Rural areas.
Artificial swamp is a kind of novel wastewater processing technology, be build by artificial optimization's simulated wetland system have a comprehensive degradation function of the ecosystem, and the artificial treatment system of supervision and control.It is for giving full play to the wastewater treatment function of Wetlands ecosystems, improves wastewater purifying efficiency and constructs, and its sewage purification function is that natural wet land system is incomparable.It is keeping the eubiosis, and there is its original effect protection species diversity aspect.It is to utilize physics, chemistry and biological triple synergies in the ecosystem to realize the efficient purification to sewage; Overcome and in WWT, used chemical process to be prone to the shortcoming that causes secondary pollution and physical method to cure the symptoms, not the disease; Have advantages such as investment is little, treatment effect good, running maintenance is convenient, and have certain ecoscape effect.The artificial swamp technology obtains long term growth because of its special advantages, especially aspect wastewater treatment, demonstrates huge development potentiality, has become one of focus of Recent study.Up to the present, what be used for the artificial swamp treatment technology has plants such as reed, Caulis Miscanthis floriduli, paddy rice, Rhizome of Grass leaf Sweelflag, calamus, Herba Eichhorniae, parasol grass, Rush, swamp cabbage, Wildcelery Herb, Canna generalis Bailey, has obtained experiment effect preferably.
But it is very rare to be used in the constructed wetland plant of handling livestock and poultry cultivation natural pond liquid.Therefore, development and use can be used for handling the plant variety resource of livestock and poultry cultivation natural pond liquid, and just seem with the livestock and poultry cultivation natural pond liquid processing that adapts to different areas, different quality is necessary very much.Simultaneously, the most of tolerance to cold of existing constructed wetland plant is poor, and be prone to dead winter, can not guarantee the decontamination effect improving under the low temperature environment.Plant after the death gets into water body, is prone to cause secondary pollution, influences the decontamination effect improving of wet land system.And the plant economic worth of research is lower, and it is higher to recycle cost, and economic benefit is not obvious.
Summary of the invention
The objective of the invention is to: to above-mentioned existing artificial swamp technology can be used for purifying that floristics inadequate resource, the economic worth of livestock and poultry cultivation natural pond liquid is low, tolerance to cold is poor, be prone to dead winter; Can't guarantee the problem of low temperature environment decontamination effect improving, a kind of new plant resource that can be used for purifying livestock and poultry cultivation natural pond liquid is provided.Utilize the higher ornamental plant of economic worth to purify waste water of livestock poultry; Environment protection is combined with landscape construction; Embodied the idea of sustainable development that WWT, restoration of the ecosystem and landscape construction and economic benefit are taken into account mutually; Have the advantages that theoretical investigation combines with applied research, this provides novel thinking and theoretical foundation for the countryside sewage treating practical application.This will be expected to change the operating mode that traditional ecological engineering month after month relies on government's infusion of financial resources throughout the year, have far reaching significance.
In order to realize the foregoing invention purpose, the technical scheme that the present invention adopts is following:
In artificial swamp, plant Flower of Japanese Camellia, utilize to make up wet land system purification livestock and poultry cultivation natural pond liquid.
Flower of Japanese Camellia (Camellia japonica), another name: extra large pomegranate, thorn apple, Yu Ming flower, anti-winter.Camellia evergreen shrubs or dungarunga.Bowl-type petal, single-lobe or polyphyll.That pattern has is red, pink, dark red, rose-red, purple, pale purple, white, yellow, speckle etc., and the florescence is a winter and spring, and in the more anti-winter, most of kind can anti-subzero 8 ℃ of low temperature.Flower of Japanese Camellia is Chinese traditional famous flower, and one of world's famous flower also is that Yunnan Province province spends, the city flower of Jinhua, Zhejiang Province city and Wenzhou City.Because of its plant shape appearance is graceful, the dark green and gloss of leaf, flower shape is gorgeous in riotous profusion, and receives valuing of world's gardening circle.
The Flower of Japanese Camellia pharmaceutical use: making tea can be used for treating nose is bleeding, hemoptysis, cough etc.; Application can be treated the scald of burning, mosquito is bitten.
The contriver finds that Flower of Japanese Camellia can effectively reduce the ammonia nitrogen (NH in the liquid of livestock and poultry cultivation natural pond as a kind of novel constructed wetland plant in long-term a large amount of experiment journey
4 +-N), total nitrogen (TN), total phosphorus (TP), COD (COD
Cr) wait pollutent.Based on above-mentioned discovery, Flower of Japanese Camellia is planted the processing that is used for livestock and poultry cultivation natural pond liquid in artificial swamp.Wet land system influent waste water and effluent quality thereof through regularly kind being implanted with Flower of Japanese Camellia carry out monitoring analysis, confirm that fully Flower of Japanese Camellia is to the ammonia nitrogen (NH in the waste water
4 +-N), total nitrogen (TN), total phosphorus (TP), COD (COD
Cr) wait and have higher detergent power, can be used for the purifying treatment of livestock and poultry cultivation natural pond liquid.And Flower of Japanese Camellia vitality is very vigorous, is prone to into alively, extremely low temperature resistant, and is perennial perennial root herbage, does not need annual plantation, in whole growth process, does not need special management.
In sum, the invention has the beneficial effects as follows:
1, the present invention finds that through long-term a large amount of experiments Flower of Japanese Camellia is to the ammonia nitrogen (NH in the liquid of livestock and poultry cultivation natural pond
4 +-N), total nitrogen (TN), total phosphorus (TP), COD (COD
Cr) wait pollution substance to have significant decontamination effect improving.Therefore, it is purified livestock and poultry cultivation natural pond liquid, the NH in the absorption and accumulation waste water through the artificial swamp technology
4 +-N, TN, TP, COD
CrDeng pollution substance, thereby reduce the NH in the waste water
4 +-N, TN, TP, COD
CrDeng pollution substance content; When treating its length,, just can reduce NH in the waste water through the hand harvest to certain biomass
4 +-N, TN, TP, COD
CrDeng pollutant load, realize the purpose of purifying liquid waste.
2, because the physiological property of Flower of Japanese Camellia itself is prone to into alive, cold-resistant; In the vitality of tanacity, sub-zero zero temperature is just withered in the winter time, and is perennial plant; Do not need annual plantation; In whole growth process, need not carry out special management, thereby running cost is low, effective, operation is simple.Simultaneously, also enriched artificial swamp technical plant storehouse, the deep development of handling eutrophication water for artificial wetland technology brings new progress and development space.
3, through periodical reaping, can realize NH in the waste water
4 +-N, TN, TP, COD
CrDeng the purification of pollutent, prevent that its litter from falling into to form secondary pollution in the water.The Flower of Japanese Camellia of harvesting is also pharmaceutically acceptable, and making tea can be used for treating nose is bleeding, hemoptysis, cough etc.; Application can be treated the scald of burning, mosquito is bitten.
4, Flower of Japanese Camellia not only has better purifying of the hypertrophic water system effect, and has higher pharmaceutical use.Compared with prior art, no matter the present invention is at running cost, Operation and Maintenance, treatment effect, or environmental benefit, economic benefit etc. all have remarkable advantages.
Description of drawings
Fig. 1 is that embodiment 1 Flower of Japanese Camellia is handled NH in the liquid of livestock and poultry cultivation natural pond
4 +-N effect synoptic diagram
Fig. 2 is that embodiment 1 Flower of Japanese Camellia is handled TN effect synoptic diagram in the liquid of livestock and poultry cultivation natural pond
Fig. 3 is that embodiment 1 Flower of Japanese Camellia is handled TP effect synoptic diagram in the liquid of livestock and poultry cultivation natural pond
Fig. 4 is that embodiment 1 Flower of Japanese Camellia is handled COD in the liquid of livestock and poultry cultivation natural pond
CrThe effect synoptic diagram
Embodiment
Below in conjunction with accompanying drawing the present invention is further specified.
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Specific embodiment described herein only in order to explain the present invention, is not limited to the present invention.
Present embodiment is the application that Flower of Japanese Camellia is handled livestock and poultry cultivation natural pond liquid, and it is following specifically to use way:
1, the structure of artificial wet land system
Wet land system is of a size of 100cm * 45cm * 75cm (L * W * H); Comprise being arranged on the vertical water distributor of wet land system that the wet land system bottom is water leg and water outlet.By supreme gravel bed, slag layer and the sand layer laid successively of water leg.Said constructed wetland bed body characteristics is: wetland bed body inside is made up of wetland filling substrate and shale hollow brick, and a water leg is arranged at the wet land system bottom, collects the waste water after wet land system is handled.
In order to strengthen wet land system interal supplying oxygen ability, thereby improve the decontamination effect improving of wastewater through organic matter, so, wet land system inside is supported automatically through the hole of shale hollow brick at the inner filling of wet land system shale hollow brick.
In order further to improve the detergent power of wet land system of the present invention, above-mentioned wet land system filling substrate particle diameter and filling thickness all carried out artificial screening.The thick particle diameter of decibel filling 15cm is the gravel bed of 10～20mm in the wetland, and the thick particle diameter of 20cm is that 1～10mm slag layer and thickness are the sand layer of 15cm.
In order further to improve the detergent power of wet land system of the present invention, this wetland water intake mode adopts intermittent loading, utilizes the period of not water inlet further to replenish the inner oxygen level of wet land system, thereby improves the inner oxygen delivery capacity automatically of wet land system.
2, livestock and poultry cultivation natural pond liquid is handled instance
This is tested on November 2nd, 2011 beginning, terminates on December 21st, 2011, with 7 days be a processing cycle, co-processing 5 time-of-weeks.Under state of nature, the blue seedling of the green onion that collects is directly planted in the topsoil of wetland, stablized 14 days with tap water.After treating that plant is stable, handle livestock and poultry cultivation natural pond liquid from the water distributor water inlet.
Utilize artificial swamp to handle in the liquid process of livestock and poultry cultivation natural pond through measuring under different flooding quantitys, the optimal water power standing time artificial wet land system to NH in the waste water
4 +-N, TN, TP, COD
CrDeng the decontamination effect improving of pollutent, to confirm the best flooding quantity and the optimal water power standing time of this experiment.
According to the measuring result, the optimal water power standing time that the blue artificial wet land system of green onion is handled livestock and poultry cultivation natural pond liquid is 6d, and best flooding quantity calculates by following formula:
Q=Fqt/0.0365
In the formula:
Q---waste water design discharge, m
3/ d;
The land area that F---artificial swamp takies, hm
2
Q---hydraulic load, mm/d, q gets 100mm/d in this test
T---waterpower working time, d.
0.0365---reduction factor.
Through calculating, the best flooding quantity of this system is 0.74m
3So the water inlet flow velocity is for being 0.086cm
3/ s.For further improving the automatic keeping ability of wet land system, adopt the intermittent loading mode in the test.8 water inlets in system's morning, be 6d the pitch time of at every turn intaking, and stops into water 1d then.Be to be 7d in the each run cycle, wherein the residence time of sewage in reactor drum is 6d, draining behind the 6d, and ensuing 1d reactor drum gets into and stops the not stage.
During whole test, the NH when Flower of Japanese Camellia purifies livestock and poultry cultivation natural pond liquid
4 +-N, TN, TP, COD
CrDeng the water inlet of pollution substance, go out water concentration and clearance referring to accompanying drawing 1～4.Visible by figure, Flower of Japanese Camellia is to NH in the waste water
4 +-N, TN, TP, COD
CrAverage purification efficiency Deng pollution substance is respectively: 80.0%, 44.3%, 67.9%, 87.9%.
Visible through the foregoing description, Flower of Japanese Camellia is to the NH in the liquid of livestock and poultry cultivation natural pond
4 +-N, TN, TP, COD
CrHave significant removal effect, can be used for the processing of livestock and poultry cultivation natural pond liquid.
Claims (7)
1. the application of camellia in handling livestock and poultry cultivation natural pond liquid is characterized in that: in the environment that livestock and poultry cultivation natural pond liquid pollutes, plant Flower of Japanese Camellia.
2. according to the said application of claim 1, it is characterized in that: Flower of Japanese Camellia is planted in automatic oxygen supply artificial wet land system.
3. according to the said automatic oxygen supply artificial wet land system of claim 2, it is characterized in that: wetland bed body inside is made up of wetland filling substrate and shale hollow brick, and the hole through the shale hollow brick is to the automatic oxygen supply in wet land system inside.
4. according to the said automatic oxygen supply artificial wet land system of claim 2, it is characterized in that: filling substrate particle diameter and filling thickness all carried out artificial screening.
5. filling the thick particle diameter of 15cm in the wetland is the gravel bed of 10～20mm, and the thick particle diameter of 20cm is that 1～10mm slag layer and thickness are the sand layer of 15cm.
6. according to the said automatic oxygen supply artificial wet land system of claim 2; It is characterized in that: the wet land system water intake mode adopts intermittent loading; Utilize the period of not water inlet further to replenish the inner oxygen level of wet land system, thereby improve the inner oxygen delivery capacity automatically of wet land system.
7. according to the said application of claim 1, it is characterized in that: periodical reaping part plant is medicinal, removes Lao Ye and avoids secondary pollution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100173711A CN102583754A (en) | 2012-01-18 | 2012-01-18 | Application of camellia in purifying livestock and poultry culture biogas slurry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100173711A CN102583754A (en) | 2012-01-18 | 2012-01-18 | Application of camellia in purifying livestock and poultry culture biogas slurry |
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| Publication Number | Publication Date |
|---|---|
| CN102583754A true CN102583754A (en) | 2012-07-18 |
Family
ID=46473113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100173711A Pending CN102583754A (en) | 2012-01-18 | 2012-01-18 | Application of camellia in purifying livestock and poultry culture biogas slurry |
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| Country | Link |
|---|---|
| CN (1) | CN102583754A (en) |
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2012
- 2012-01-18 CN CN2012100173711A patent/CN102583754A/en active Pending
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Application publication date: 20120718 |