CN102838388A - Method for producing organic fertilizer by utilizing water body bottom mud - Google Patents

Method for producing organic fertilizer by utilizing water body bottom mud Download PDF

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Publication number
CN102838388A
CN102838388A CN2012103779973A CN201210377997A CN102838388A CN 102838388 A CN102838388 A CN 102838388A CN 2012103779973 A CN2012103779973 A CN 2012103779973A CN 201210377997 A CN201210377997 A CN 201210377997A CN 102838388 A CN102838388 A CN 102838388A
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organic fertilizer
water body
mud
bio
bed mud
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郭春雨
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NONGXIN HI-TECH (BEIJING) TECHNOLOGY DEVELOPMENT Co Ltd
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NONGXIN HI-TECH (BEIJING) TECHNOLOGY DEVELOPMENT Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/20Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses

Abstract

The invention discloses a method for producing an organic fertilizer by utilizing water body bottom mud. The method comprises the following steps of: carrying out solid-liquid separation and dewatering pre-treatment on the water body bottom mud so as to obtain a material II; preparing a biological fungicide through an aerobic fermentation process; carrying out thoroughly decomposed fermentation treatment, mixing the material II and crop straw, and carrying out aerobic fermentation; preparing the biological organic fertilizer, sterilizing, drying and crushing the aerobic fermentation product, adjusting a ratio of carbon to nitrogen, and adding the biological fungicide to obtain the biological organic fertilizer. According to the invention, the water body bottom mud such as lake, wetland and the like can be reasonably excavated, and the water body bottom mud can be taken as a raw material to produce the biological organic fertilizer, so that endogenous pollution of the water body can be managed, the ecological environment of the water and the periphery can be restored, and meanwhile, the efficient biological organic fertilizer can be production by converting the bottom mud, the benefit is created, the wastes are changed into wealth, and effective resource utilization, management of the ecological environment, economic development and social benefit are unified.

Description

A kind of method of utilizing the water body bed mud to produce bio-organic fertilizer
Technical field
The present invention relates to the production field of bio-feritlizer, relate in particular to a kind of method of utilizing the water body bed mud to produce bio-organic fertilizer
Background technology
The whole world is improved Soil structure and soil micro-ecosystem system at present, and rehabilitating soil, the essential measure of development Organic farming, green husbandry are to increase to use bio-organic fertilizer.Through promoting the use of of bio-organic fertilizer, set up optimum agriculture and animal husbandry ecological circulation system, promptly " fertile many-careless many-excrement is many-pesticide herd product is many " situation, fully develop the comprehensive production potential on farmland and grassland, reach the increasing both production and income best effect.
On the other hand, water bottom mud bulk deposition causes the rapid atrophy of water body, forms the endogenous source of pollution.With the Ulansuhai Nur is example, and Ulansuhai Nur admits local flood volume to be about 5,200 ten thousand m3 every year on average, because east, lake bank Wula Shan Mountain severe water and soil erosion, a large amount of rainwater carry a large amount of alluvial deposit and get into Ulansuhai Nur through irrigation canals and ditches, has strengthened lake alluvial degree.According to 1986 and satellite photo comparative analysis in 1996, the area of Ulansuhai Nur reduced 20km2 in the period of 10, and reed district and swampland have increased 24km2; Alluvial area 1.1km2 in the alluvial zone, has accumulated a large amount of mud and sand; Mean thickness is 40cm, and the thickness reaches 90cm.Add that waterplant rots to fall into the septic matter of lakebed, ecological alluvial is very serious, causes the rapid atrophy of lake body, forms the endogenous source of pollution.
Utilize the water body bed mud to produce biological organic fertilizer; Be that country advocates energy-saving and emission-reduction always; One of important measures of resource reutilization; Can create beneficial result, can eliminate its pollution to greatest extent again to environment, can realize the unification of resources effective utilization and ecological environment treatment, Economic development and social benefit.
Pollute the throw out uneven thickness in the waters; Change greatlyyer, bed mud should be removed polluted bed mud in removing, and reduces backbreaking of uncontamination bed mud again as far as possible; To avoid destroying the natural lake mud layer of bottom, lake, therefore require the bed mud excavating equipment to have higher excavation precision.In the bed mud scavenging process, prevent that the secondary pollution of Marine sediments or mud is important unusually.Desilting bed mud equipment adopts snagboat, and it is multiple to be divided into strand suction formula, target suction formula, bucket wheel formula etc.In the middle of snagboat, suction cutter dredger is owing to characteristics such as dredging efficiency is high, engineering adaptability is strong occupy critical positions.Because for the more shallow waters of some depth of waters; Can not satisfy the drinking water requirement of general snagboat, water surface scope is big in addition, because of the influence of draft; Can only lean on small-sized snagboat to carry out operation; And the fed distance of little type ship is generally not far, generally about 1km, all need add relay at the water surface during desilting mud.
In the prior art, exist the construction labour intensity of dredging big, cost is high, easily water body is formed secondary pollution, carries to be prone in the mud process environment on the way produced and pollutes, and traffic is on the way exerted an influence.In present most bio-feritlizer productions, there is the drawback that the PT is long, be prone to pollute, is difficult to the drawback that realizes that large-scale industrialization is produced.
Summary of the invention
The objective of the invention is to drawback to prior art; A kind of method of utilizing the water body bed mud to produce bio-organic fertilizer is provided; This method is dashed the two kinds of ship dredging construction schemes of digging through strand suction formula environment-friendly dredger and dry method water; Can realize that not only the low cost of water body bed mud, the low pollution excavate, and, reduce cost and pollution in the slurry transportation process through different slurry transportation schemes is set according to practical situation.
The preparation method that another object of the present invention is to provide a kind of water body bed mud to become thoroughly decomposed fermentation and bio-organic fertilizer, the large-scale industrial production of realization bio-organic fertilizer.
Another purpose of the present invention is to provide the sewage that produces in the bio-organic fertilizer production process and the treatment process of foul gas, reduces environmental pollution.
To achieve these goals, the invention provides the method for utilizing the water body bed mud to produce bio-organic fertilizer, may further comprise the steps:
Step 1, with the water body bed mud carry out solid-liquid separation and the dehydration pre-treatment, obtain the material II;
Step 2, obtain bacterial classification required in the bio-organic fertilizer production process through mikrobe separation and purification and directed screening technology, and with as seed, prepare bacteria agent through aerobic fermentation process;
Step 3, the fermentative processing of becoming thoroughly decomposed are mixed the material II with agricultural crop straw, its mixture as fermentation raw material, as fermented bacterium, is carried out aerobic fermentation with said bacteria agent, obtain tunning;
Step 4, preparation bio-organic fertilizer through sterilization, dry and pulverizing back adjustment C/N ratio, add said bacteria agent with said tunning afterwards, obtain bio-organic fertilizer.
Preferably, the described utilization in the method that the water body bed mud produces bio-organic fertilizer in the step 1, for the sewage that produces in the said bottom-mud dewatering preprocessing process, adopts recirculation water biological degradation and molecular sieve treatment system to handle.
Preferably; The described utilization in the method that the water body bed mud produces bio-organic fertilizer; In the step 3 for the foul gas that produces in the said fermentative processing process of becoming thoroughly decomposed; The maximum discharge well array that is higher than 15m through design is put, and adopts physical-chemical-biological synthesis deodorizing method, removes the foul gas of high density.
Preferably; The described utilization in the method that the water body bed mud produces bio-organic fertilizer; Contain heavy metal and deleterious organic pollutant in the waste water that in the step 1 bed mud is carried out producing after the solid-liquid separation, adopt expose to the sun oxygen technology and biomolecules well sifted technology of biology to degrade it.
Preferably, the described utilization in the method that the water body bed mud produces bio-organic fertilizer, bacteria agent described in the step 1 comprises organic material composting agent, vinelandii microbial inoculum, phosphorus decomposing quasi-microorganism microbial inoculum, silicate microbiobacterial agent, growth-promoting antagonistic bacterium agent.
Preferably, the described utilization in the method that the water body bed mud produces bio-organic fertilizer, the fermentation manufacturing technique of liquid fermentation tank and solid fermentation case combined ferment is adopted in the preparation of bacteria agent in the step 2, may further comprise the steps:
The separation and purification of step 1, bacterial classification: obtain bacterial classification required the bio-organic fertilizer production process from the occurring in nature separation and purification and through screening and rejuvenation through the mikrobe separating and purifying technology;
The enrichment culture of step 2, bacterial classification:, cultivate amplification step by step through slant culture and shaking table and carry out the enrichment of bacterial classification for through the bacterial classification that screens and rejuvenation is obtained;
Step 3, to the bacterial classification after enrichment culture through seeding tank and liquid fermentation tank amplification culture step by step, carry out oxygenation by the oxygenation system in the fermenting process;
Step 4, to tunning test, combined storage and absorption stirs, and obtains said bacteria agent;
Step 5, will through the liquid fermentation production that being up to the standards, in the solid fermentation case, carry out solid vaccination, carry out aerobic fermentation, the solid fermentation product will be carried out the air-dry processing of low temperature, also obtain said bacteria agent as bacterial classification.
Preferably, the described utilization in the method that the water body bed mud produces bio-organic fertilizer adjusted C/N ratio through dosing xanthohumic acid and matter corruption acid in the step 4, and addition is 1% ~ 2% of a said bio-organic fertilizer quality.
Preferably, the described utilization in the method that the water body bed mud produces bio-organic fertilizer, the mass ratio that adds bacteria agent and said bio-organic fertilizer in the step 4 is 1:200.
Preferably, the described utilization in the method that the water body bed mud produces bio-organic fertilizer when distinguishing the depth of water greater than 1.5 meters when dredging in the step 1, utilized snagboat to dredge and executed, and may further comprise the steps:
Step 1, measure setting-out: utilize station-keeping system to measure to the plan district of dredging, set up sign through setting-out on the spot in the site of being surveyed;
Step 2, according to the sign of being set up, utilize the snagboat construction of dredging in logo area;
Step 3, lay the spoil disposal pipeline according to the job location of dredging with the distance of stacking the place, the mud inlet end of said spoil disposal pipeline is connected with said snagboat, and mud is effluxed to the stacking place through said spoil disposal pipeline; Said spoil disposal pipeline comprises floating pipe, drowning pipe and bank pipe.
Preferably, the described utilization in the method that the water body bed mud produces bio-organic fertilizer, when the district's depth of water of dredging during less than 1.5m, the construction of dredging of employing dry method hydraulicking arrangement and method for construction may further comprise the steps in the step 1:
Step 1, plan dredged makes up the construction cofferdam around the construction area;
Ponding in step 2, the extraction cofferdam district, and stay a small amount of ponding subsequent use;
Step 3, utilize water blast gun, make the ponding in the cofferdam form the quick fire current, spray by the water blast gun outlet and pulverize, cut bed mud in the cofferdam, and make it to liquefy, decompose, stir into mud;
Step 4, according to the distance in said dredge job location and said stacking place; Said dredging a plurality of mud relays pond is set between job location and the said stacking place; Aspirate formed mud in the said cofferdam through steam piano, and slurry transportation is arrived the stacking place through said mud relay pond.
The described utilization in the method that the water body bed mud produces bio-organic fertilizer; Towards digging two kinds of ship dredging construction schemes, and different slurry transportation schemes is set through strand suction formula environment-friendly dredger and dry method water, rationally carries out ship dredging construction according to practical situation; Can reduce the cost of dredging, reduce secondary pollution.Through bed mud being carried out the pre-treatment and the fermentative processing of becoming thoroughly decomposed; And through from soil the screening enrichment obtain specific bacteria agent; Realize the large-scale industrial production of bio-organic fertilizer; Thereby create beneficial result is turned waste into wealth, and realizes the unification of resources effective utilization and ecological environment treatment, Economic development and social benefit.
Description of drawings
Fig. 1 is the process flow sheet that utilizes the water body bed mud to produce the method for bio-organic fertilizer of the present invention;
Fig. 2 is the preparation technology's schema that utilizes bacteria agent in the method that the water body bed mud produces bio-organic fertilizer of the present invention.
Below in conjunction with accompanying drawing the present invention is done further detailed description, can implement according to this with reference to the specification sheets literal to make those skilled in the art.
As shown in Figure 1, the method for utilizing the water body bed mud to produce bio-organic fertilizer of the present invention may further comprise the steps:
Step 1, with the water body bed mud carry out solid-liquid separation and the dehydration pre-treatment, obtain the material II.When mud is carried out pre-treatment; The present invention's suction pit that periphery is set up a 4000-5000m3 in the ring waters carries out solid-liquid separation through bed mud pre-treatment field to mud, and sieves as bed mud pre-treatment field; Reject in the bed mud foreign material that are difficult for decomposition than ratchel, tree root etc.; Slurry transportation after the screening is dewatered to dewatering unit, make the mud water cut be lower than 80%, will pass through mud after the dehydration as the material II;
Step 2, obtain bacterial classification required in the bio-organic fertilizer production process through mikrobe separation and purification and directed screening technology, and with as seed, prepare bacteria agent through aerobic fermentation process.In the preparation bacteria agent process; The present invention is through separation and purification and the directed screening technology of mikrobe; From soil, filter out have specific function bacterial strain as the primary election bacterial strain; The primary election bacterial strain is carried out artificial rejuvenation, screening, rejuvenation again, rescreens the bacterial strain of gaining the upper hand after the choosing, and the dominant strain that will have difference in functionality is processed bacteria agent through fermentation culture, as the fermenting agent in the bed mud large scale fermentation technology with add the function microbial inoculum in the bio-organic fertilizer to.
Step 3, the fermentative processing of becoming thoroughly decomposed are mixed the material II with agricultural crop straw, its mixture as fermentation raw material, as fermented bacterium, is carried out aerobic fermentation with said bacteria agent, obtain tunning; The present invention joins fermentation raw material in the aerobic system of continuously fermenting of pond formula, through keeping best technological condition for fermentation, carries out mikrobe and degrades fast, and aerobic fermentation is after 10~15 days, the tunning that degraded obtains.
Step 4, preparation bio-organic fertilizer through sterilization, dry and pulverizing back adjustment C/N ratio, add said bacteria agent with said tunning afterwards, obtain bio-organic fertilizer.The present invention with tunning through autoclave sterilization, stable, slaking and dry cooling after; Make material IV water ratio≤12%, be crushed to 60~80 orders, obtain the material V; With adding the C/N ratio that mass ratio is 1% ~ 2% amendment adjustment material V in the material V; And mix after adding the function microbial inoculum, obtain the powdery biological organic fertilizer through further drying and pulverizing, or in the rotary conveyor that the further dry back importing of material V is airtight; Be delivered to the bio-organic fertilizer granulation workshop and carry out granulation processing, obtain the granular biological fertilizer.
The described utilization in the method that the water body bed mud produces bio-organic fertilizer in the step 1, for the sewage that produces in the said bottom-mud dewatering preprocessing process, adopts recirculation water biological degradation and molecular sieve treatment system to handle.Water quality after the processing reaches " integrated wastewater discharge standard " grade III Standard in (GB8978-1996) and " sewage enters cities and towns water drain water quality standard " the B grade standard in (CJ343-2010).
The described utilization in the method that the water body bed mud produces bio-organic fertilizer; In the step 3 for the foul gas that produces in the said fermentative processing process of becoming thoroughly decomposed; The maximum discharge well array that is higher than 15m through design is put, and adopts physical-chemical-biological synthesis deodorizing method, removes the foul gas of high density.Physical-chemical-biological synthesis deodorizing method can be removed various materials composting technology such as livestock and poultry feces widely; The place to go foul gas; Be suitable for handling the foul gas of atm number, high density; Be very ripe, effective process method, deodorizing effect reaches " odorant pollutant emission standard " (GB14554-1993) factory's circle secondary discharge standard.
The described utilization in the method that the water body bed mud produces bio-organic fertilizer; Contain heavy metal and deleterious organic pollutant in the waste water that in the step 1 bed mud is carried out producing after the solid-liquid separation; Adopt expose to the sun oxygen technology and biomolecules well sifted technology of biology to degrade to it, enter water body again after up to standard.
The described utilization in the method that the water body bed mud produces bio-organic fertilizer; Bacteria agent described in the step 1 comprises organic material composting agent, vinelandii microbial inoculum, phosphorus decomposing quasi-microorganism microbial inoculum, silicate microbiobacterial agent, growth-promoting antagonistic bacterium agent, and the mikrobe that is wherein comprised comprises photosynthetic mushroom, bacillus aceticus class, ray fungi, lactic acid bacteria class, budding fungus, hyphomycetes etc.
The described utilization in the method that the water body bed mud produces bio-organic fertilizer, the fermentation manufacturing technique of liquid fermentation tank and solid fermentation case combined ferment is adopted in the preparation of bacteria agent in the step 2, may further comprise the steps:
The separation and purification of step 1, bacterial classification: obtain bacterial classification required the bio-organic fertilizer production process from the occurring in nature separation and purification and through screening and rejuvenation through the mikrobe separating and purifying technology.Bacterial classification used in the present invention is the natural bacterial classification that from soil, screens, nature exists, and does not belong to through transgenic synthetic engineering bacteria.
The enrichment culture of step 2, bacterial classification:, cultivate amplification step by step through slant culture and shaking table and carry out the enrichment of bacterial classification for through the bacterial classification that screens and rejuvenation is obtained;
Step 3, to the bacterial classification after enrichment culture through seeding tank and liquid fermentation tank amplification culture step by step, the oxygenation system that is made up of gas blower, gas-holder, cooling driers, water-and-oil separator and strainer in the fermenting process carries out oxygenation;
Step 4, to tunning test, combined storage and absorption stirs, and obtains said bacteria agent;
Step 5, will through the liquid fermentation production that being up to the standards as bacterial classification; In the solid fermentation case, carry out solid vaccination; Carry out aerobic fermentation, carry out oxygenation, after fermentation is accomplished through an oxygenation system connectivity gas-holder and a sterilising plant; The solid fermentation product is carried out the air-dry processing of low temperature, obtain bacteria agent.
The described utilization in the method that the water body bed mud produces bio-organic fertilizer adjusted C/N ratio through dosing xanthohumic acid and matter corruption acid in the step 4, and addition is 1% ~ 2% of a said bio-organic fertilizer quality.
The described utilization in the method that the water body bed mud produces bio-organic fertilizer, the mass ratio that adds bacteria agent and said bio-organic fertilizer in the step 4 is 1:200
The described utilization in the method that the water body bed mud produces bio-organic fertilizer when distinguishing the depth of water greater than 1.5 meters when dredging in the step 1, utilized snagboat to dredge and executed, and may further comprise the steps:
Step 1, measure setting-out: utilize station-keeping system to measure to the plan district of dredging, set up sign through setting-out on the spot in the site of being surveyed.Before excavation construction; According to the mark of construction drawing, the position finding that utilizes total powerstation or station-keeping system will select the medullary ray in waters, aperture lines, excavation terminal and apex of bend is come out, and with the some position measured as layout point on the spot; Set up sign in said layout point; The mark of being set up comprises mark post, buoy or beacon light, and said error in point measurement of putting in a suitable place to breed a little is no more than following numerical value: dredging excavation sideline: under water+1.0m, bank+0.5m; Grooving medullary ray :+1.0m;
Step 2, according to the sign of being set up, utilize the snagboat construction of dredging in logo area.The present invention adopts the construction of dredging of strand suction formula environment-friendly dredger, when dredging, twists suction formula environment-friendly dredger stern master piling bar is put into fixedly accommodation, river bed; As oscillation centre, reamer is transferred to the river bed, folding and unfolding left and right sides anchor hawser; The swing reamer is dredged, accomplish the excavation of certain thickness and width after, rely on mobile trolley used on the main piling bar; With the hull 1~2m that moves forward, continue the swing reamer and dredge, so reciprocation cycle;
Step 3, lay the spoil disposal pipeline according to the job location of dredging with the distance of stacking the place, the mud inlet end of said spoil disposal pipeline is connected with said snagboat, and mud is effluxed to the stacking place through said spoil disposal pipeline; Said spoil disposal pipeline comprises floating pipe, drowning pipe and bank pipe.Wherein, Said floating pipe is mainly used in the spoil disposal pipeline is fixed on the floating drum, in order to ensure the sinuousness of floating pipe, adopts the mode of 1-2 joint steel pipe and 1 joint sebific duct to be formed by connecting; The floating pipe that will be formed by connecting in this way then is fixed on one group of floating drum; And fix with 0.8-1.0t pipeline anchor, stable with the relative position of guaranteeing floating pipe, prevent to influence the current of ship.When floating pipe coupling, to guarantee that simultaneously its joint is fastening tight, the mud of leakage, drainage must not be arranged,, should in time repair or change in case find to leak.Said drowning pipe under water also adopts the mode of 1-2 joint steel pipe and 1 joint sebific duct to be formed by connecting; In order to guarantee the current of ship in the construction process; Strand is inhaled marine railway mud pipeline need set up drowning pipe under water when passing through the navigation channel; The drowning pipe under water that is formed by connecting in this way is layed in the highway section that need pass through the navigation channel, to guarantee the requirement of opening the navigation or air flight.The bank assembling nearby of said drowning pipe under water, said drowning pipe under water and two groups of buoyancy aids assemble, and push water by manual work, by tugboat it are dragged to heavy place and the existing floating pipe coupling put again, separate buoyancy aid then, and said drowning pipe is under water sunk under the water; Said floating pipe is provided with floating pipe platform with the junction of drowning pipe under water; Establish pipeline anchor eye thimble and red beacon light on the said floating pipe platform; Spoil disposal pipeline on the said floating pipe platform is provided with 2-3 vacuum pressure valves, and said floating pipe platform is fixed by the pipeline anchoring of 2-3 0.8-1.0t.Said drowning pipe under water must carry out applied voltage test to drowning pipe before laying, and does not all have everywhere and leaks, can lay when leaking gas.Said bank pipe and said floating pipe coupling, and lead to and stack the place, advanced windrow is put near the laying of the bank pipe place before going into operation, and the back that goes into operation remains the laying of pipeline according to the position of said floating pipe, to change the mud mouth position.Said bank pipe is when passing through shoofly, and it is underground to answer ditching to imbed, on it with mud calculus road surface covering protection.Spoil disposal pipeline generation mud leaks in order to prevent to construct, and must strengthen nurse and maintenance service to the spoil disposal pipeline.At first, before construction, the spoil disposal pipeline is checked repeatedly, prevented trouble before it happens; After the construction, send the special messenger to be responsible for the maintenance service of spoil disposal pipeline, the spoil disposal pipeline is carried out making an inspection tour in 24 hours; As find to leak; Should utilize interphone notice strand to inhale ship immediately and stop construction, and establishment officer adjusts and studies for a second time courses one has flunked the spoil disposal pipeline rapidly, makes it recover normal as early as possible.
After mud drained into yard ground outward, through inserting the elevation mark post stacking the place, and, make that stacking the place keeps smooth according to the position that the elevation mark post in time moves the spoil disposal pipeline.
The described utilization in the method that the water body bed mud produces bio-organic fertilizer, when the district's depth of water of dredging during less than 1.5m, the construction of dredging of employing dry method hydraulicking arrangement and method for construction may further comprise the steps in the step 1:
Step 1, plan dredged makes up the construction cofferdam around the construction area, can adopt packeted soil cofferdam form;
Ponding in step 2, the extraction cofferdam district, and stay a small amount of ponding subsequent use;
Step 3, utilize water blast gun, make the ponding in the cofferdam form the quick fire current, spray by the water blast gun outlet and pulverize, cut bed mud in the cofferdam, and make it to liquefy, decompose, stir into mud.This technology is simulating nature circle current scour principle, dashes soil by mechanical waterpower;
Step 4, according to the distance in said dredge job location and said stacking place; Said dredging a plurality of mud relays pond is set between job location and the said stacking place; Aspirate formed mud in the said cofferdam through steam piano, and slurry transportation is arrived the stacking place through said mud relay pond.The fed distance of part workshop section is far away, exceeds the specified array pitch of hydraulicking unit, needs to increase the relay steam piano.The relay steam piano divide through type that the inlet tube and outlet tube initial and end links and dredging tube initial and end isolating in rotatable two kinds.The transfer suction pit is constructed in the place of field condition permission, carries out the open type transfer; The direct closed transfer that links of the objectionable place of field condition, upper and lower level relay pump dredging tube initial and end.Open type collection stock tank middle part dashes to dig and dredges deeply, and periphery is constructed steel mesh plastic film, the solid basic cofferdam of sand pocket, or builds brick wall by laying bricks or stones, peripheral backfill soil, and suitably deepen at the middle part.
The described utilization in the method that the water body bed mud produces bio-organic fertilizer; In the step 3; Utilize nylon plastic woven or other material to make mud net and silt block; The mode that said mud net and silt block is hung net with stake net, floating net or hanger rope is arranged at the appropriate location between desilting district and the non-desilting district, can be effectively the lake suspended particle of regenerating be limited to certain zone, and pollutent spreads formed secondary pollution when excavating to reduce in water.
Although embodiment of the present invention are open as above; But it is not restricted to listed utilization in specification sheets and the embodiment; It can be applied to various suitable the field of the invention fully, for being familiar with those skilled in the art, can easily realize other modification; Therefore under the universal that does not deviate from claim and equivalency range and limited, the legend that the present invention is not limited to specific details and illustrates here and describe.

Claims (10)

1. method of utilizing the water body bed mud to produce bio-organic fertilizer wherein, may further comprise the steps:
Step 1, with the water body bed mud carry out solid-liquid separation and the dehydration pre-treatment, obtain the material II;
Step 2, obtain bacterial classification required in the bio-organic fertilizer production process through mikrobe separation and purification and directed screening technology, and with as seed, prepare bacteria agent through aerobic fermentation process;
Step 3, the fermentative processing of becoming thoroughly decomposed are mixed the material II with agricultural crop straw, its mixture as fermentation raw material, as fermented bacterium, is carried out aerobic fermentation with said bacteria agent, obtain tunning;
Step 4, preparation bio-organic fertilizer through sterilization, dry and pulverizing back adjustment C/N ratio, add said bacteria agent with said tunning afterwards, obtain bio-organic fertilizer.
2. the method for utilizing the water body bed mud to produce bio-organic fertilizer as claimed in claim 1 wherein in the step 1, for the sewage that produces in the said bottom-mud dewatering preprocessing process, adopts recirculation water biological degradation and molecular sieve treatment system to handle.
3. the method for utilizing the water body bed mud to produce bio-organic fertilizer as claimed in claim 1; Wherein in the step 3 for the foul gas that produces in the said fermentative processing process of becoming thoroughly decomposed; The maximum discharge well array that is higher than 15m through design is put; And adopt physical-chemical-biological synthesis deodorizing method, remove the foul gas of high density.
4. the method for utilizing the water body bed mud to produce bio-organic fertilizer as claimed in claim 1; Contain heavy metal and deleterious organic pollutant in the waste water that wherein in the step 1 bed mud is carried out producing after the solid-liquid separation, adopt expose to the sun oxygen technology and biomolecules well sifted technology of biology to degrade it.
5. the method for utilizing the water body bed mud to produce bio-organic fertilizer as claimed in claim 1, wherein bacteria agent described in the step 1 comprises organic material composting agent, vinelandii mushroom, phosphorus decomposing quasi-microorganism mushroom, silicate mikrobe mushroom, growth-promoting antagonistic bacterium class.
6. the method for utilizing the water body bed mud to produce bio-organic fertilizer as claimed in claim 1, wherein in the step 2, the fermentation manufacturing technique of liquid fermentation tank and solid fermentation case combined ferment is adopted in the preparation of bacteria agent, may further comprise the steps:
The separation and purification of step 1, bacterial classification: obtain bacterial classification required the bio-organic fertilizer production process from the occurring in nature separation and purification and through screening and rejuvenation through the mikrobe separating and purifying technology;
The enrichment culture of step 2, bacterial classification:, cultivate amplification step by step through slant culture and shaking table and carry out the enrichment of bacterial classification for through the bacterial classification that screens and rejuvenation is obtained;
Step 3, to the bacterial classification after enrichment culture through seeding tank and liquid fermentation tank amplification culture step by step, carry out oxygenation by the oxygenation system in the fermenting process;
Step 4, to tunning test, combined storage and absorption stirs, and obtains said bacteria agent;
Step 5, will through the liquid fermentation production that being up to the standards, in the solid fermentation case, carry out solid vaccination, carry out aerobic fermentation, the solid fermentation product will be carried out the air-dry processing of low temperature, also obtain said bacteria agent as bacterial classification.
7. the method for utilizing the water body bed mud to produce bio-organic fertilizer as claimed in claim 1 wherein in the step 4, is adjusted C/N ratio through dosing the rotten acid of xanthohumic acid and matter, and addition is 1% ~ 2% of a said bio-organic fertilizer quality.
8. the method for utilizing the water body bed mud to produce bio-organic fertilizer as claimed in claim 1, wherein in the step 4, add bacteria agent and said bio-organic fertilizer mass ratio be 1:200.
9. the method for utilizing the water body bed mud to produce bio-organic fertilizer as claimed in claim 1 wherein goes on foot in one, when distinguishing the depth of water greater than 1.5 meters when dredging, utilizes snagboat to dredge and executes, and may further comprise the steps:
Step 1, measure setting-out: utilize station-keeping system to measure to the plan district of dredging, set up sign through setting-out on the spot in the site of being surveyed;
Step 2, according to the sign of being set up, utilize the snagboat construction of dredging in logo area;
Step 3, lay the spoil disposal pipeline according to the job location of dredging with the distance of stacking the place, the mud inlet end of said spoil disposal pipeline is connected with said snagboat, and mud is effluxed to the stacking place through said spoil disposal pipeline; Said spoil disposal pipeline comprises floating pipe, drowning pipe and bank pipe.
10. the method for utilizing the water body bed mud to produce bio-organic fertilizer as claimed in claim 1 wherein in the step 1, when the district's depth of water of dredging during less than 1.5m, adopts the construction of dredging of dry method hydraulicking arrangement and method for construction, may further comprise the steps:
Step 1, plan dredged makes up the construction cofferdam around the construction area;
Ponding in step 2, the extraction cofferdam district, and stay a small amount of ponding subsequent use;
Step 3, utilize water blast gun, make the ponding in the cofferdam form the quick fire current, spray by the water blast gun outlet and pulverize, cut bed mud in the cofferdam, and make it to liquefy, decompose, stir into mud;
Step 4, according to the distance in said dredge job location and said stacking place; Said dredging a plurality of mud relays pond is set between job location and the said stacking place; Aspirate formed mud in the said cofferdam through steam piano, and slurry transportation is arrived the stacking place through said mud relay pond.
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CN104774057A (en) * 2015-03-25 2015-07-15 泰州市泓润生物科技有限公司 Cycle deodorizing method for shed fermentation of organic fertilizer
CN106699366A (en) * 2016-12-16 2017-05-24 北京桑德环境工程有限公司 Method for manufacturing organic granular fertilizer by utilizing black and odorous water body sediments
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CN110813238A (en) * 2019-12-02 2020-02-21 深圳市碧园环保技术有限公司 Wetland plant resource utilization method
CN113233930A (en) * 2021-06-11 2021-08-10 北京四良科技有限公司 Synergistic composting method for reducing pollutant emission and improving yield of multiple organic wastes
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CN104276858A (en) * 2013-07-09 2015-01-14 山东原野农业科技有限公司 Microbial fertilizer and preparation method thereof
CN103332987A (en) * 2013-07-10 2013-10-02 丹阳市淸云农业发展有限公司 Organic fertilizer
CN103865753A (en) * 2014-03-12 2014-06-18 德州市元和农业科技开发有限责任公司 Liquid and solid combined fungicide fermentation and preparation system
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CN106699366A (en) * 2016-12-16 2017-05-24 北京桑德环境工程有限公司 Method for manufacturing organic granular fertilizer by utilizing black and odorous water body sediments
CN106927976A (en) * 2017-03-21 2017-07-07 农迅达网络科技(苏州)有限公司 A kind of preparation method of y microbial manures
CN107615933A (en) * 2017-09-11 2018-01-23 海南热带海洋学院 A kind of method for improving agricultural land soil organic matter content
CN110813238A (en) * 2019-12-02 2020-02-21 深圳市碧园环保技术有限公司 Wetland plant resource utilization method
CN113233930A (en) * 2021-06-11 2021-08-10 北京四良科技有限公司 Synergistic composting method for reducing pollutant emission and improving yield of multiple organic wastes
CN115448804A (en) * 2022-09-30 2022-12-09 武汉工程大学 Biological organic fertilizer based on lake sediment and waste biomass and preparation method thereof

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