CN101828512B - Method of using lake sediment and coal slag as compost - Google Patents
Method of using lake sediment and coal slag as compost Download PDFInfo
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- CN101828512B CN101828512B CN2010101828016A CN201010182801A CN101828512B CN 101828512 B CN101828512 B CN 101828512B CN 2010101828016 A CN2010101828016 A CN 2010101828016A CN 201010182801 A CN201010182801 A CN 201010182801A CN 101828512 B CN101828512 B CN 101828512B
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- cinder
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- mud
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
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Abstract
The invention discloses a method of effectively using lake sediment and industrial and agricultural waste coal slag as compost. The method comprises the following steps: screening coal slag into two particle sizes by utilizing a sieve; when filling the coal particles into a pot, laying large-size particles in the range of 2-5 cm on the bottom of the pot firstly, and the filling small-size particles which are smaller than 2 cm on the large-size particles, thereby preventing water accumulation on the bottom of the pot, keeping favorable air permeability and being beneficial to the growth of the plant root system; and finally, laying lake sediment as the upper layer, thereby providing nutrients required by plant growth. The invention solves the problem that excessive sediment siltation can accelerate lake swampiness, effectively utilizes rural waste and does not need power equipment and capital investment, thereby being beneficial to popularization and implementation.
Description
Technical field
The present invention relates to the environmental ecology field, relate in particular to a kind of preparation method of effectively utilizing bottom mud in lake and agriculture and industry waste cinder for compost.
Background technology
In recent years, industrial pollution, reclaim land from a lake, human intervention such as fish production causes the rivers and lakes water plants excessively to spread.Water plants is utilized by the hand harvest except that part and consumed by fish as bait, quite a few plant residue alluvial there is every year, causes serious biofouling, lift obvious aggravation on the lakebed, quickened the process of lakes and swamps at lakebed.This alluvial effect has caused the atrophy in China thousands of shallow water grass type lake to degenerate.Simultaneously, bed mud is as " source " and " remittance " of lake pollution material, it is the important component part of the lake and marshland ecosystem, in the water body in lake environment, has special importance, the existence of nutritive salt internal loading and release can form secondary pollution to water body in lake in the bed mud, water body in lake is polluted continue to exist even worsen, cause eutrophication and other pollutions of water body.Therefore, how artificially to cut down the endogenous endogenous nutrient loads accumulation and release, slow down biological short silt speed and become the major issue that lake ecological is resumed work.At present, developed the method for utilizing of multiple bottom mud in lake, as utilized bed mud to make fired brick, Mixed Type Silt Solidification Material, haydite etc., but above method is relative higher to the requirement of processing technology and condition.
Studies show that organic matter and nutrient concentrations are higher in the bottom mud in lake, the content of its organic matter, organic nitrogen, rapid available phosphorus, available potassium all exceeds the standard of rich soil.How effectively to utilize the active ingredient in the bottom mud in lake, the value of economical rationality exploitation bottom mud in lake is of great practical significance.Bed mud both can fundamentally be improved lake water quality as nutrition soil, solved the biofouling problem, can increase the fertility of soil again, and use and promote in vast rural area.Publication number is the preparation method that the patent of invention of 101270002A has been announced a kind of sullage fertilizer, mud, agricultural crop straw and the careless wormwood artemisia one replication of collecting are evenly covered and is stacked in together, form sludge material through spontaneous fermentation in the 21 days system of macerating, with low cost, pollution-free.Publication number is that the patent of invention of 1393427A has announced that processing mud becomes the production line of compound fertilizer, by mud stack field, conveyer belt, fast-assembling hot-blast stove, send hot air duct, fan blower, air channel, cylinder rotary furnace drying machine, siccative collecting bin, an air-introduced machine come flue, air-introduced machine, chimney and dirt pocket, siccative carrier pipe, grain breakage machine, conveyer belt, charging conduit, open type mixing and blending machine, finished product letdown tank etc. totally 17 partly form, the finished product material of making is used as the crops compound fertilizer and uses, and can be widely used in agricultural production.Publication number is that the patent of invention of 1562904A has been announced a kind of dirty sludge treatment technology, and, steps such as cutting granulation, drying and packaging mixing by dry fine grinding brid guano and dirty mud transfer dirty mud to fertilizer.The big shortcoming of energy consumption made processing simpler and easy when dirty mud and dried brid guano powder mixing overcome in original treatment technology separately the dirty mud of oven dry, had reduced cost simultaneously.Publication number is that the patent of invention of 1155371A has been announced a kind of improvement method to Tu Yuan, by bottom silt being improved the general plant of back plantation, solves the problem of coastal area land resources progress, has saved a large amount of arable lands.
Along with industrial development, water body in lake and sediment pollution are serious day by day, domestic and international many rivers, all monitored heavy metal pollution that goes out to be subjected in various degree of bottom mud in lake.In resource process to bottom mud in lake, can not neglect the environmental risk that heavy metal pollution may cause, the heavy metal concentration in the reduction bed mud that need take appropriate measures is realized innoxious use.The efficient extractant costs that adopt higher more in the existing patent, and the treatment process complexity, increased practical range and difficulty that conventional bed mud utilizes again undoubtedly, is unfavorable for promotion and implementation.
Therefore, utilize the adsorption function of China's industrial and agricultural waste cinder, heavy metal concentration in the bed mud is controlled in certain scope, trace elements such as the required zinc of plant growing, boron, manganese, copper, potassium can be provided, can avoid heavy metal pollution again, really realize the resource on the spot of bed mud.Bottom mud in lake and trade waste cinder are fully utilized, for the recovery and the control of environmental pollution of lake ecological function provides new thinking and method.
Summary of the invention
The invention reside in provides a kind of preparation method of utilizing bottom mud in lake and industrial and agricultural waste cinder for compost, by rational type of feed and appropriate proportioning, reaches ventilation, draining, purpose efficiently.It is simple to operate, and is practical, and what effectively solved bottom mud in lake utilizes problem again, realizes refuse reclamation simultaneously, is applicable to that the foster of flowers and nursery stock plant.
The invention is characterized in: by utilization, configure and have strong gas permeability, drainage, preserve moisture and fertility ability, well-fed compost, reach making full use of existing resource to bottom mud in lake and cinder.Before the dress basin, bed mud is carried out simple and effective illumination sterilization and the processing of washing leaching; Simultaneously sifter is divided into the large-size particles of 2-5cm and less than the small size particle of 2cm.Dress is during basin, at the bottom of basin up successively the shop go into big particle diameter cinder, small particle diameter cinder and,, determine the volume ratio (1/4～1/3) of bed mud and cinder according to the growth characteristics of plantation plant through the bed mud of illumination sterilization processing.Utilize the adsorption function and the lumpy structure of cinder, reduced the content of beary metal in the bed mud, bed mud is remained under the condition of loose ventilation,, help the root growth of plant and disease-resistant for plant growing provides good soil condition.
The present invention utilizes the matrix of bed mud as plant growing, and rich nutrient substances in the bed mud is converted into phytomass, has realized that the resource of nutriment transforms in the bed mud, has certain economic and is worth.In the whole growth process of plant, the fertilizer that does not need to add other improves the fertility level of compost, does not need input economically, has fundamentally realized the efficient utilization of resource.Especially in the barren relatively area of soil, the efficient utilization of bed mud more can effectively solve soil and utilize problem.The easy easy operating of this method is easy to promote in China vast river lakes and marhshes moorland district.
Description of drawings
Accompanying drawing 1 has provided structural representation of the present invention.
Wherein 1 is that bottom mud in lake 2 is flowerpot for cinder 3
Embodiment
Below describe operation principle of the present invention and embodiment in detail:
Shown in accompanying drawing 1, the present invention is a kind of construction method of artificial culture soil.Be successively from top to bottom: 1 is bottom mud in lake, and 2 is cinder
Before filling, bed mud is carried out the illumination sterilization processing: place airing under the sunlight, stand the direct solar radiation of certain hour, to kill maggot and the viral plumule in the bed mud.Simultaneously sifter is divided into the large-size particles of 2-5cm and less than the small size particle of 2cm.Earlier big particle diameter shop is placed at the bottom of the basin during dress basin, with the small size particle filling thereon, spread bottom mud in lake on the upper strata at last then.In addition, according to the growth characteristics of plantation plant, determine the volume ratio (1/4～1/3) and the corresponding pre-treatment of bed mud and cinder, to satisfy the requirement of different plant growings to air and moisture.Can increase the ratio of cinder relatively as xerophilous plant, shorten the following of water and ooze the time; During plantation happiness acid soil plant, can wash cinder with low amounts of water earlier, reduce the alkalescence of cinder.After compost is filled to flowerpot, adopt a small amount of principle repeatedly to water, make the compost consolidation, the heavy metal leaching in the bed mud is adsorbed by cinder to cinder layer simultaneously, prevents from that content of beary metal in the percolate is too high environment is polluted.
In the growing process, regularly plant is watered, give the moisture of plant growing abundance.Emerging or the transplanting stage of plant, adopt a small amount of mode of watering repeatedly, guarantee that compost contains sufficient moisture.About an about week, plant begins to take root, and adopts the few inferior mode of watering of volume, is beneficial to root system of plant and grows downwards.Bed mud provides required nutritive element for the growth of plant, and cinder is used to improve gas permeability, the drainage of compost, adsorbs the heavy metal in the bed mud simultaneously, for the growth of plant provides good soil condition.This invention has made full use of the adsorption capacity of the nutritive element and the cinder of bed mud, is a kind of artificial culture soil of high-quality.
Press 1: 4 volume ratio of cinder and bed mud configuration compost, soak cinder to reduce alkalescence before the dress basin.March gardenia is implanted in the flowerpot, irrigated once in per 3 days.Annual leaf look evergreen, and it is luxuriant that June, the flowers are in blossom.
Press 1: 3 volume ratio of cinder and bed mud configuration compost.Late April is cultivated the tomato seedling in compost, watered once in per 5 days, to fruit maturation in September, detects its content of beary metal, all reaches national greengrocery heavy metal limit operative norm.
Claims (2)
1. preparation method of utilizing bottom mud in lake and cinder for compost, it is characterized in that: during the dress basin, at the bottom of basin up successively the shop go into the big particle diameter cinder of 2-5cm, less than the small particle diameter cinder of 2cm with through the bed mud of illumination sterilization processing, constitute the nutrition soil of good gas permeability, drainage; After filling is finished, adopt on a small quantity repeatedly principle to water, the leaching of heavy metal in the consolidation of realization compost and the bed mud.
2. the preparation method of utilizing bed mud and cinder for compost as claimed in claim 1, it is characterized in that: the ratio that cinder and bed mud are set according to different cultivation plants, the volume ratio of cinder and bed mud should remain in 1/4～1/3 the scope, to satisfy the requirement of different plant growings to air and moisture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101828016A CN101828512B (en) | 2010-05-26 | 2010-05-26 | Method of using lake sediment and coal slag as compost |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101828016A CN101828512B (en) | 2010-05-26 | 2010-05-26 | Method of using lake sediment and coal slag as compost |
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| Publication Number | Publication Date |
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| CN101828512A CN101828512A (en) | 2010-09-15 |
| CN101828512B true CN101828512B (en) | 2011-12-28 |
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| CN2010101828016A Expired - Fee Related CN101828512B (en) | 2010-05-26 | 2010-05-26 | Method of using lake sediment and coal slag as compost |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103396249A (en) * | 2013-08-09 | 2013-11-20 | 邹飞剑 | Preparation method of simple and long-acting nutrient soil |
| CN103787751B (en) * | 2014-01-17 | 2016-01-20 | 北京奥润开元环保科技研究院有限公司 | A kind of regeneration compound gardens soil utilizing building waste and industrial waste to prepare |
| CN105085001A (en) * | 2014-12-02 | 2015-11-25 | 铜陵翔宇商贸有限公司 | Flower soil formula |
| CN104478179A (en) * | 2014-12-03 | 2015-04-01 | 中国科学院沈阳应用生态研究所 | Method for treating dredging bottom sludge with nereis |
| CN104641989A (en) * | 2015-02-04 | 2015-05-27 | 和县秀山美地农业科技有限公司 | Preparation method of potted strawberry culture bed |
| CN107601799A (en) * | 2017-11-09 | 2018-01-19 | 中建水务环保有限公司 | River bottom mud administering method on the spot |
| CN110637700B (en) * | 2019-11-01 | 2022-04-01 | 浙江省农业科学院 | Flower seedling cultivation nutrient soil and preparation method thereof |
| CN111512829B (en) * | 2020-04-27 | 2021-12-21 | 安徽省高迪循环经济产业园股份有限公司 | Baking-free fly ash ceramsite concrete potted plant structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101397167B (en) * | 2008-11-04 | 2011-06-08 | 武汉大学 | Sludge substrate ecological floating island and construction method |
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