CN1820572A - Quick recovery agent for desertified soil - Google Patents
Quick recovery agent for desertified soil Download PDFInfo
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- CN1820572A CN1820572A CN 200510007409 CN200510007409A CN1820572A CN 1820572 A CN1820572 A CN 1820572A CN 200510007409 CN200510007409 CN 200510007409 CN 200510007409 A CN200510007409 A CN 200510007409A CN 1820572 A CN1820572 A CN 1820572A
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- municipal sludge
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- desertified
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Abstract
The present invention relates to a kind of quick desertified soil recovering preparation and belongs to the field of quick desertified soil recovering technology. According to the cause of soil desertification, losing organic matter, the present invention proposes the technology and preparation of quick recovering the ecological environment of desertified soil with organic matter. Biological preparation is prepared with city sludge, biological charcoal, probiotics and water, and through microwave sterilization, fast microbial fermentation and microwave stoving of city sludge in the sludge producing site, and the cultivation with city sludge powder, biological charcoal, probiotics and water under anaerobic heat insulating environment to form the biological preparation in the use site. The present invention is used in quick raising the organic matter content in the desertified soil so as to recover the ecological environment for being used as grassland, farm land and forest land.
Description
Technical field:
The present invention relates to a kind of quick recovery agent for desertified soil, belong to the quick recovery agent for desertified soil technical field.
Technical background:
At present, the desertification of land order of severity is to constitute the threat to human survival.
The reason that desertification of land forms is after natural environment and artificial behavior cause the soil lack of water, irrational agro-farming and excessive herding, make the top layer, soil exposed, organic matter in the soil is lost by wind, cause organic matter progressively to disappear, lose organic land ecology environment heavy damage, land deterioration and desertification form large tracts of land and lack organic desertification soil.
Organic matter is to recover the desertification soil to close and build material, is produced after each big city waste water treatment, and main component be organic municipal sludge, with the composing environment pollution and can't thoroughly dissolve.
Summary of the invention:
The objective of the invention is to invent a kind of quick recovery agent for desertified soil, in order to the content of organic matter in the fast quick-recovery desertification soil, change the soil structure in desertification soil, improve the effective fertility and the weather-proof ability in soil, make desertification land ecology environment recover fast to become: organic meadow, forest farm, farmland.
Its notion of the primary raw material of quick recovery agent for desertified soil " municipal sludge " is: include human and animal excreta etc., composition is organic malignant pollution thing, so quick recovery agent for desertified soil is to utilize to clean the mode of production and produce when curbing environmental pollution.The production of quick recovery agent for desertified soil is to be the commercial appropriate disposal of organic waste of representative to municipal sludge.
Quick recovery agent for desertified soil of the present invention is the municipal sludge powder of aseptic substantially, slaking, mummification, the synthetic slurries of biological powdered carbon and beneficial bacterium and water body.
Because the desertification soil is far away apart from the city mostly, malignant pollution thing " municipal sludge " the way transportation far away of originating in the city can cause pollution on the way, and the high water content of quick recovery agent for desertified soil, long-distance transport waste transport power is so the production of quick recovery agent for desertified soil is made up of following two parts.
First: handle in the municipal sludge place of production.
Second portion: restorative makes land used production.
First: handle in the municipal sludge place of production.Be the place of production at municipal sludge, by to municipal sludge microwave sterilization-aerobic fermentation-microwave drying, output: slaking, mummification, aseptic substantially commodity " municipal sludge powder ".Finish municipal sludge is cleaned appropriate disposal.Promptly clean the high speed processing municipal sludge, reached the purpose of energy savings again, and on the basis of city sewage sludge reclamation, finish innoxious and minimizing municipal sludge.
Second portion: restorative makes land used production.Be to make land used at restorative, with municipal sludge powder, biological powdered carbon, beneficial bacterium and after water body mixes, the process of synthetic slurries in anaerobic environment.Substantially aseptic municipal sludge powder mixes the synthetic cultivation of back by anaerobic environment with biological powdered carbon, beneficial bacterium water body, municipal sludge becomes the composts or fertilisers of cultivating of beneficial bacterium, by the beneficial bacterium incomplete decomposing is organic colloidal sol thing, and municipal sludge is the process that the beneficial bacterium breeding is expanded by the process of beneficial bacterium incomplete decomposing.It also is process for charcoal inoculation beneficial bacterium.Thereby output quick recovery agent for desertified soil.
Quick recovery agent for desertified soil set of dispense ratio is:
Municipal sludge powder 5%-10%;
The water body 88%-94% that contains 1%-5% beneficial bacterium stoste;
Biological powdered carbon 0.5%-2%.
Municipal sludge is a main component in the quick recovery agent for desertified soil.
Though municipal sludge is a solids, its water content height, the moisture 70%-80% of dehydration municipal sludge, and also every gram municipal sludge contains the pathogen amount up to hundred million.
The present invention at first carries out innoxious sterilization to municipal sludge, adopts the tunnel type micro wave sterilizer that has the negative pressure exhaust taste removal, fast the contained pathogen of municipal sludge is killed substantially.Microwave has good oven dry effect, after municipal sludge is sterilized substantially by the microwave sterilization machine, moisture has reduced 5%-15%, but municipal sludge up to 70%-80% moisture, with microwave drying cost height, for reducing the cost of municipal sludge mummification, make the municipal sludge slaking simultaneously, the municipal sludge after sterilizing is substantially adopted beneficial bacterium microorganism aerobic fermentation process.And the sterilization of microwave is the quick breeding of beneficial bacterium in the aerobic fermentation, and aseptic substantially advantage space is provided, and has shortened the time of aerobic fermentation, effectively raises the quality of aerobic fermentation.Municipal sludge is by behind the aerobic fermentation, and the temperature that fermentation produces makes the moisture content of municipal sludge reduce to 30% substantially.The odor eliminating of municipal sludge, and reach slaking.Be further mummification municipal sludge, the municipal sludge behind the aerobic fermentation continues to adopt microwave treatment, and flash baking moisture content makes the municipal sludge water content drop to 8%-15%.The after-treatment of microwave is except reducing moisture content once more, more up hill and dale outside the sterilization, also utilize the high speed energy of microwave penetration power, the high poly-big molecule of raw fiber polysaccharide in the cracking municipal sludge, make it become less oligomer of molecule and non-structural carbon hydrate, making basis is that organic municipal sludge becomes commercial renewable resources.Thereby, the restorative of second portion carries out the basis for making land used production.
The municipal sludge of incomplete decomposing and organic colloidal sol thing have stronger adhesivity in the recovery agent for degraded soil, be applied in the soil of desertification, do not make under the preceding topic of the hardening soil, the big grains of sand, little grains of sand are organically combined, recovering the desertification soil is under the situation in higher fertility soil, prevents that effectively wind is to terrestrial erosion.
With the municipal sludge is that organic quick restorative is applied in the soil, organic matter not merely is that the desertification land fertility is improved, also make the soil structure in desertification soil that basic change has also taken place, also find expression in the organic long period to maintain self-restraint water, the soil water is increased.
Beneficial bacterium is a key component in the quick recovery agent for desertified soil.
Beneficial bacterium is 5 sections such as photosynthetic bacteria, radiation bacterium, saccharomycete, lactic acid bacteria, azotobacter, and more than 80 kind of effective microbe of 10 genus combines, and is applicable to feeding additive, rubbish and manure treating agent, water quality cleansing agent and air deodorization agent.
Beneficial bacterium is in the production of quick recovery agent for desertified soil, the effect in early stage is: numerous soon by aerobic environment, increase the effective ingredient of municipal sludge organic matter, and late-acting is: by the cultivation of anaerobic environment, the incomplete decomposing municipal sludge makes municipal sludge partly generate the colloidal sol thing.
The effect of beneficial bacterium in quick recovery agent for desertified soil is used is: beneficial bacterium changes the structure and the biological nature of soil by from a large amount of breedings in organic matter.Further form soil granular, make soil conservation loose, make soil be suitable for the growth of vegetation with charcoal.
Beneficial bacterium a large amount of breedings in soil generate, and have captured other microorganism living space, have suppressed the breeding of other microorganism, prevent the generation of plant pest effectively, and promote plant tachyauxesis.
Beneficial bacterium is bred in a large number in soil, is survived, and finally makes soil become the fermented type soil that is fit to plant growing, promptly goes back the ecological organic soil of nature original appearance.
Crucial effect has been played in the effect that beneficial bacterium is transformed soil structure and to the effect of plant growing in the desertification land restoration.
The characteristic of beneficial bacterium microorganism species, quick recovery agent for desertified soil is become the biologic product of extensive effect.
Charcoal is an important component in the quick recovery agent for desertified soil.
Charcoal has the huge honeycomb microporous structure of specific surface area, has the characteristic of chemical fertilizer, pesticide pollution and heavy-metal residual in absorption and the locking soil.Restorative purifies soil composition with charcoal, eliminates the pollution of chemical substance, thus the organic plant that made desertification soil output.
Charcoal is a black object, in soil, absorb the hot line of the sun, improve the soil temperature and strengthen day and night temperature, and make the soil that hardens anti-warm and sunny, air is circulated in soil, and a large amount of beneficial bacterium microorganisms assembles in the charcoal micropore and derives, and goes into being core and granular structure organic, that the grains of sand are formed with biological carbon granule, avoids organic and is lost by wind.
Charcoal has the biological fixation effect that promotes nitrogen and increases soil water capacity effect and regulate the effects such as absorption of plant to fertilizer.
Charcoal because of the uniqueness of its physical property, continues to safeguard the organic structure of soil ecology in the organic fast quick-recovery in desertification soil.
Water body is an indispensable component in the quick recovery agent for desertified soil.
The purposes of water on desertification soil and agricultural is very important.
Water body is in quick recovery agent for desertified soil, with municipal sludge, charcoal, the organic integrator of beneficial bacterium, after quick restorative is used in the desertification soil, because water body following oozes effect, each active principle of quick recovery agent for desertified soil becomes stepped and is distributed in the soil layer, is able to the effect of stabilizing effective performance each component.
The present invention is a characteristic of utilizing the municipal sludge regenerated resources: increase the content of organic matter in the soil, improve the organic fertility of soil.
Utilize the physical characteristic of charcoal: the pollution of absorption and locking chemicals purifies soil constituent.
Utilize the characteristic of beneficial bacterium: continual and steady transformation soil structure makes the desertification soil be fit to the growth of plant.
Utilize the characteristic of water body, each active princlple is comparatively reasonably distributed in soil layer, promote the recovery in desertification soil.
Quick recovery agent for desertified soil utilizes the characteristic of municipal sludge, beneficial bacterium, charcoal, water body, thus disposable fast quick-recovery desertification soil.
Quick recovery agent for desertified soil of the present invention and a kind of silicate sand-consolidating agent, the contrast of a kind of pitch sand-consolidating agent result of use:
The silicate sand-consolidating agent can be with the sandy land surface cure, but the hardening soil is similar to the cement flooring, and the land ecology environmental disruption is serious;
The pitch sand-consolidating agent is when fixing the sand, with the heavy damage of surface soil layer ecotope, to be not suitable for plant growing.
Desertification land restoration agent settles at one go the desertification soil is become ecological farm field, grassland and forest farm.
Comparing result shows: quick recovery agent for desertified soil and silicate sand-consolidating agent and pitch sand-consolidating agent do not have comparativity.
Embodiment:
First: handle in the municipal sludge place of production.
Dehydration municipal sludge from waste water treatment solid content 25%, enter production line hermetically sealed and that have the negative pressure smell to dissolve, at first municipal sludge is entered storage bin, under the effect of gravity, municipal sludge enters storage bin bottom a chain for binding criminals and revolves the extruding and discharging machine, the continuously extruded into strips tunnel type micro wave sterilizer that enters of municipal sludge, through 3-5 minute sterilization of operation and oven dry just, enter agitator then, municipal sludge adds probiotics in agitator, and look the solid content of this link municipal sludge, and adopt the municipal sludge dry powder of water content 15% below to adjust, adjust solid content and enter microorganism numerous aerobic fermentation program soon greater than 40% municipal sludge.Through mechanization turning, fermentation, intensification, aeration, operation 100 hours-130 hours, the municipal sludge slaking, smell disappears substantially, solid content rises to 70%, municipal sludge is sent into the tunnel microwave dryer by conveyer, moisture content is fallen put 8%-15%, through conveyer the municipal sludge of mummification is being sent into cracker, be crushed to 40 orders-50 order, then with the metering of municipal sludge dry powder, pack, warehouse-in.
Second portion: restorative makes land used production.
In making the workshop of land used, when producing 1 ton of quick recovery agent for desertified soil, 940 kilograms in the water body and 50 kilograms in municipal sludge dry powder that will contain useful mother bacterial liquid 3%, biological powdered carbon stirred 3 minutes in agitator for 10 kilograms, the slurries that mix homogeneous are transported to the sealing culture tank that has agitating device by pipeline, keep 25-30 ℃ of temperature, started in per 2 hours and stirred 2 minutes, cultivated 24 hours-48 hours, and finished beneficial bacterium to the incomplete decomposing of municipal sludge in anaerobic environment, pH value is 6.5-7.5 on inspection, promptly cultivate normal, pH value is above 8 or be lower than 6 employing pyroligneous liquor and limewash, adjusts in stirring, makes pH value keep normal range (NR).Keep then and stir after 3 minutes, Open valve, it is stand-by to the tank car to emit quick recovery agent for desertified soil in continuing to stir.
The quick recovery agent for desertified soil application is as follows:
Quick recovery agent for desertified soil is applicable to propelled type agricultural machinery or the special-purpose agricultural machinery that has tank car, the desertification soil is irrigated through furrow, after the furrow irrigation immediately grass planting or the plantation crops.
Amount of application: fast quick-recovery desertification soil every mu of consumption 20-40 ton, transform 10 tons-30 tons of every mu of consumptions in degeneration farmland, administer under 10 centimeters sand beds moisture greater than every mu of consumption in desert of 3% greater than 40 tons.Amount of application is pressed municipal sludge dry powder and is calculated, and recovers 1000 kilograms-2000 kilograms of every mu of consumptions in desertification soil, transforms 500 kilograms-1500 kilograms of every mu of consumptions in farmland inferior, administer under 10 centimeters sand beds moisture greater than every mu of consumption in desert of 3% greater than 2000 kilograms.
Quick recovery agent for desertified soil also is applicable to desertification soil afforestation, when planting arbor, can add 100 kilograms of restoratives in each hole, can add 25 kilograms of restoratives in each hole when planting Right wood, concrete amount of application is according to adding and subtracting to some extent from different places, and restorative can improve the survival rate of tree planting effectively.And maintenance steady in a long-term flourishing by the tree planting woods.
The desertification soil, the degraded land and the serious soil that desertifies, use quick recovery agent for desertified soil after, the ecotope in soil obtains repairing.Disposable rapid recovery desertification soil.
Claims (9)
1, a kind of quick recovery agent for desertified soil is characterized in that: by being rich in the synthetic slurries shape biologic product of organic matter, aseptic substantially, slaking, mummification, commercial municipal sludge powder and biological powdered carbon, beneficial bacterium and water body.
2, quick recovery agent for desertified soil according to claim 1 is characterized in that: slurries shape biologic product is synthetic in the environment of aerobic sealing.
3, quick recovery agent for desertified soil according to claim 1 is characterized in that: organic object incomplete decomposing when synthesizing slurries, part generates the organosol thing.
4, quick recovery agent for desertified soil according to claim 1 is characterized in that: being rich in organic municipal sludge can substitute with other organic waste that is rich in organic substance.
5, quick recovery agent for desertified soil according to claim 1 is characterized in that: municipal sludge is to reach sterilization by microwave treatment.
6, quick recovery agent for desertified soil according to claim 1 is characterized in that: the municipal sludge after the first sterilization is to reach slaking by microbial fermentation.
7, quick recovery agent for desertified soil according to claim 1 is characterized in that: the municipal sludge after first sterilization and the slaking reaches aseptic substantially mummification by microwave treatment once more.
8, quick recovery agent for desertified soil according to claim 1 is characterized in that: the municipal sludge of mummification becomes commercial municipal sludge powder through pulverizing.
9, quick recovery agent for desertified soil according to claim 1 is characterized in that: it is synthetic to finish municipal sludge fermentation slaking and anaerobism under beneficial bacterium adds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510007409 CN1820572A (en) | 2005-02-18 | 2005-02-18 | Quick recovery agent for desertified soil |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510007409 CN1820572A (en) | 2005-02-18 | 2005-02-18 | Quick recovery agent for desertified soil |
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| CN1820572A true CN1820572A (en) | 2006-08-23 |
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| CN 200510007409 Pending CN1820572A (en) | 2005-02-18 | 2005-02-18 | Quick recovery agent for desertified soil |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102649655A (en) * | 2012-04-27 | 2012-08-29 | 上海中科高等研究院 | Carbon-based compound fertilizer containing probiotic organisms and preparation method of carbon-based compound fertilizer |
| CN103947326A (en) * | 2014-05-12 | 2014-07-30 | 中山大学 | Method for ionic rare earth mine tailing land improvement and vegetation reclamation |
| CN105409523A (en) * | 2015-11-26 | 2016-03-23 | 华中科技大学 | Soil formation method for desert |
| CN107057707A (en) * | 2017-02-03 | 2017-08-18 | 安徽帝元现代农业投资发展有限公司 | A kind of prone soil biomass carbon modifying agent containing spirulina |
| CN108718584A (en) * | 2018-06-11 | 2018-11-02 | 孙长清 | A set of ecologic sand control makes the method in desert change good farmland oasis |
| CN109233867A (en) * | 2018-09-20 | 2019-01-18 | 中国林业科学研究院森林生态环境与保护研究所 | A kind of conditioner and preparation method thereof improving south subtropics Eroded timbered soil carbon sequestration capacity |
| CN109266360A (en) * | 2018-09-20 | 2019-01-25 | 江西理工大学 | A method of composite sand consolidation agent and building biological breadcrust containing municipal sludge |
| CN111448968A (en) * | 2020-02-28 | 2020-07-28 | 南京工业大学 | Method for preparing greening soil by improving tail mud of water works |
-
2005
- 2005-02-18 CN CN 200510007409 patent/CN1820572A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102649655A (en) * | 2012-04-27 | 2012-08-29 | 上海中科高等研究院 | Carbon-based compound fertilizer containing probiotic organisms and preparation method of carbon-based compound fertilizer |
| CN103947326A (en) * | 2014-05-12 | 2014-07-30 | 中山大学 | Method for ionic rare earth mine tailing land improvement and vegetation reclamation |
| CN105409523A (en) * | 2015-11-26 | 2016-03-23 | 华中科技大学 | Soil formation method for desert |
| CN105409523B (en) * | 2015-11-26 | 2018-06-12 | 华中科技大学 | A kind of desert soil method |
| CN107057707A (en) * | 2017-02-03 | 2017-08-18 | 安徽帝元现代农业投资发展有限公司 | A kind of prone soil biomass carbon modifying agent containing spirulina |
| CN108718584A (en) * | 2018-06-11 | 2018-11-02 | 孙长清 | A set of ecologic sand control makes the method in desert change good farmland oasis |
| CN109233867A (en) * | 2018-09-20 | 2019-01-18 | 中国林业科学研究院森林生态环境与保护研究所 | A kind of conditioner and preparation method thereof improving south subtropics Eroded timbered soil carbon sequestration capacity |
| CN109266360A (en) * | 2018-09-20 | 2019-01-25 | 江西理工大学 | A method of composite sand consolidation agent and building biological breadcrust containing municipal sludge |
| CN109266360B (en) * | 2018-09-20 | 2020-10-16 | 江西理工大学 | Composite sand fixing agent containing municipal sludge and method for constructing biological crust |
| CN111448968A (en) * | 2020-02-28 | 2020-07-28 | 南京工业大学 | Method for preparing greening soil by improving tail mud of water works |
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