CN110143737A - A kind of river Ecology original position dredging restorative procedure - Google Patents

A kind of river Ecology original position dredging restorative procedure Download PDF

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Publication number
CN110143737A
CN110143737A CN201910441743.5A CN201910441743A CN110143737A CN 110143737 A CN110143737 A CN 110143737A CN 201910441743 A CN201910441743 A CN 201910441743A CN 110143737 A CN110143737 A CN 110143737A
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China
Prior art keywords
water
river
microorganism
dredging
restorative procedure
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CN201910441743.5A
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Chinese (zh)
Inventor
江铁宁
宋金红
赵文东
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Henan Ge En Sunshine Environmental Technology Co Ltd
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Henan Ge En Sunshine Environmental Technology Co Ltd
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Priority to CN201910441743.5A priority Critical patent/CN110143737A/en
Publication of CN110143737A publication Critical patent/CN110143737A/en
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/02Biological treatment
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/02Aerobic processes
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/32Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/34Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/007Contaminated open waterways, rivers, lakes or ponds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/02Odour removal or prevention of malodour
    • 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
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/40Protecting water resources
    • Y02A20/402River restoration
    • 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
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

Abstract

The present invention discloses a kind of river Ecology original position dredging restorative procedure, includes the following steps: step 1: cutting dirt;Step 2: stirring scattered bed mud and add complex enzyme formulation;Step 3: installation aerating system and installation microorganism reactor;Step 4: adding combination microbial bacterial agent;Step 5: constructing the underwater ecosystem, this method is sufficiently stirred bed-silt using bed mud stirring system scattered, complex enzyme formulation is added simultaneously, the microbial bacterial agent of post-directed training is added into water body again, Dissolved Oxygen in Water content is increased by aerator simultaneously, suitable breeding environment is provided for microorganism, to reach quickly eliminate it is black smelly, it rebuilds and stablizes the sound ecosystem, restore water body self-purification ability, bed mud is cut down, restores the ecological functions and regulatory function in river, reduces the processing cost in river.

Description

A kind of river Ecology original position dredging restorative procedure
Technical field
The invention belongs to field of environment engineering, and in particular to a kind of river Ecology original position dredging restorative procedure.
Background technique
In recent years, the Urbanization in China speed of development is very fast, important landscape of the city river as city, also more next More it is taken seriously.But for a long time, what China's city river was excessive emphasizes the function of its prevention waterlogging and flood discharge, and to ecology All more to ignore with functions such as landscapes, this results in the improvement to River Landscape less, and river is contaminated the pollution in source for a long time, Cause urban water-body seriously polluted, blacks throughout the year smelly, because anaerobic effect pollutants in sediments floats, a large amount of muddinesses of river surface floating Dirt, the stench given out not only bring very poor sensory experience to the masses, more seriously affect the life of littoral resident. More importantly ecosystem self-purification capacity is lost to the greatest extent, and the adsorption-decomposition function of aquatic animal and green plants acts in water ecosystem Deng being destroyed.
There are two types of currently used restoration of the ecosystem schemes: one is physical methods, i.e., by engineering measure, carry out mechanical clear Silt, artificial oxygenation, diversion dilution etc., but it is often palliative, it can only be as the emergency measure for tackling sudden water pollution; Second is that chemical method, such as chemical agent is added and kills algae, the precipitating that molysite promotion phosphorus is added, lime dehydrogenation be added, but cost is big, And easily cause secondary pollution.Therefore, how repair to waters using the method for ecology is current main direction of studying.
The microorganism embedding techniques of bioreactor and inside reactor are usually used in ecological restoration, such as The patent No.: it has been previously mentioned microorganism reactor and the patent No. in 201821749992.8: being previously mentioned in 201510985470.2 Microorganism embedding techniques, but it is few to the good application of above two technology progress in the field that waters is repaired.
Summary of the invention
In view of the above-mentioned problems, the present invention provides a kind of river Ecology original position dredging restorative procedure, can ecology to waters It is repaired.
To achieve the goals above, the present invention is with the following method: a kind of river Ecology original position dredging reparation side
Method, which comprises the steps of:
Step 1: cutting dirt;Sewage draining exit in watershed carries out cutting dirt, thoroughly chops pollution sources off, avoids pollution object
It continues to flow into.
Step 2: stirring scattered bed mud and add complex enzyme formulation;River bottom mud sufficiently stirred with high-pressure hydraulic pump scattered, added simultaneously Complex enzyme formulation changes the anaerobic environment of bed mud, improves the bed mud state of black smelly, glutinous plate, while phosphorus is fixed and being sunk under water.
Step 3: installation aerating system and installation microorganism reactor;Bank by blower, aeration supervisor, aeration branch pipe and Aeration flexible pipe is mounted to aerating system, then aerating system is mounted on microorganism reactor, microorganism reactor collection aeration with Microorganism fungus kind persistently adds and is integrated, and aerating system divides upper layer and lower layer using efficient micro-nano aeration, can be automatic as needed Adjust height, aeration position and aeration quantity;Microorganism reactor uses microorganism embedding techniques, can rationally control microorganism to water Body persistently adds.
Step 4: adding combination microbial bacterial agent;It is tamed by selection in situ, screening, orientation, is biological reinforced
Etc. technologies, obtained from environment can efficient degradation organic matter dominant bacteria, after microbial inoculum is made in a variety of strains of acquisition, It combines to obtain combination microbial bacterial agent with Tiny ecosystem Nutrition improver premix, puts into water body.
Step 5: constructing the underwater ecosystem;Planting submerged plant is planted in water and launches aquatic animal.
The beneficial effects of the present invention are: bed-silt sufficiently stirred using bed mud stirring system scattered, while added compound Enzyme preparation, then the microbial bacterial agent of post-directed training is added into water body, while Dissolved Oxygen in Water content is increased by aerator, Suitable breeding environment is provided for microorganism, quickly eliminates black smelly to reach, rebuilds and stablize the sound ecosystem, it is extensive Multiple water body self-purification ability, cuts down bed mud, restores the ecological functions and regulatory function in river, reduce the processing cost in river.
Detailed description of the invention
Fig. 1 is the peroxidase schematic diagram being previously mentioned in the method for the present invention;
Fig. 2 is the microorganism reactor schematic diagram being previously mentioned in the method for the present invention;
Fig. 3 is experimental data figure in the method for the present invention;
In Fig. 3, A indicates that bed mud content of organic matter variation diagram, B indicate that CODCr changes of contents in overlying water, C indicate in overlying water Ammonia-nitrogen content variation, D indicate total phosphorus content variation in overlying water.
Specific embodiment
The present invention will be described in detail below:
A kind of river Ecology original position dredging restorative procedure, which comprises the steps of:
Step 1: cutting dirt;Sewage draining exit in watershed carries out cutting dirt, thoroughly chops pollution sources off, avoids pollution object
It continues to flow into.
Step 2: stirring scattered bed mud and add complex enzyme formulation;River bottom mud sufficiently stirred with high-pressure hydraulic pump scattered, added simultaneously Complex enzyme formulation changes the anaerobic environment of bed mud, improves the bed mud state of black smelly, glutinous plate, while phosphorus is fixed and being sunk under water.
Step 3: installation aerating system and installation microorganism reactor;Bank by blower, aeration supervisor, aeration branch pipe and Aeration flexible pipe is mounted to aerating system, then aerating system is mounted on microorganism reactor, microorganism reactor collection aeration with Microorganism fungus kind persistently adds and is integrated, and aerating system divides upper layer and lower layer using efficient micro-nano aeration, can be automatic as needed Adjust height, aeration position and aeration quantity;Microorganism reactor uses microorganism embedding techniques, can rationally control microorganism to water Body persistently adds.
Step 4: adding combination microbial bacterial agent;It is tamed by selection in situ, screening, orientation, is biological reinforced
Etc. technologies, obtained from environment can efficient degradation organic matter dominant bacteria, after microbial inoculum is made in a variety of strains of acquisition, It combines to obtain combination microbial bacterial agent with Tiny ecosystem Nutrition improver premix, can effectively decompose organic contamination in bed mud after putting into water body Object, degradation of ammonia nitrogen and hydrogen sulfide inhibit pollutants in sediments to spread to water body, cut down bed mud, improve benthic environment.Change aquatic organism bacterium High-effective microorganism in agent, for solving the problems such as water body muddiness, stench, ammonia nitrogen are high, algae is mutually exceeded.
Step 5: constructing the underwater ecosystem;Planting submerged plant is planted in water and launches aquatic animal.
Wherein, the complex enzyme formulation being previously mentioned in step 2 is developed by multiple functions enzyme, reaction condition is mild, Organic Pollutants In Water can be effectively catalytically decomposed in high catalytic efficiency, achieve the purpose that rapid cleaning water body, complex enzyme formulation The characteristics of it is as follows:
(1) activity is high: enzyme activity is up to 20000 U/mg;
(2) function is more: selection multiple functions enzyme, comprising: peroxidase (Fig. 1), laccase, cellulase etc.;
(3) easy to use: it is added directly, it can majority of organic pollutants in catalyzing hydrolysis water body.
Wherein, used microorganism reactor is the prior art, product collection aeration and microorganism fungus kind in step 3 It persistently adding and is integrated, function is more, and it is high-efficient, it is suitable for river black and odorous water, lake, reservoir, landscape water body, pond, cultivation The water ecologies reparation such as water body.
Microorganism fungus kind, which persistently adds, embeds patented technology using microorganism, and the strain which provides is capable of providing length Long, uninterruptedly, cost free, no added, loss-free advantageous combination superior microorganism, can rationally control microorganism and continue to water body It adds, density is up to 1,000,000,000 every liter, validity period 10 years or more
Aerating system divides upper layer and lower layer using efficient micro-nano aeration, can automatic controlled height, aeration position and exposure as needed Tolerance.Aerator uses micro-nano aeration tube, and micro-nano aeration tube is the ultramicropore being fabricated by novel scintilla material Aeration oxygen replenishing pipe, atomizing effect occupy first of all kinds of aeration tubes, its working principle is that: by air pressurized, keep aeration tube uniform Design value is expanded and reaches, a large amount of micro air bubbles (diameter: 20~30um) emerge from tube wall, drift shape in smog in water State, the rate of climb is extremely slow, dissolved oxygen significant effect, to increase substantially the oxygen content in water, increases the mobility of water, the device Integrate aerating system, microbial reaction system, automatic detection device height and realize Unmanned operation, there is service life It is long, high treating effect, it is easy to operate the advantages that.
Mentioned microorganism reactor feature is as follows:
1) equipment operation is easy: full-automatic operation, and without artificial guard, plant maintenance is simple, the safety and stabilization of system Property is preferable;
2) microbe density is high: having more powerful decontamination than traditional activated sludge process, contact oxidation method under unit volume Ability, density is up to 500,000,000/mL or more;
3) permanently effective imbedded microbe " parent " receives special protection, and sustainable releasing microbe avoids decaying, uses year Limit was up to 10 years or more;
4) degradation of organic substances: cutting down the content of organics in sediment and water body, improves water body visibility;
5) it converts nitrogen: reducing ammoniacal nitrogen, nitrate nitrogen, eliminate water body stink, improve water body purification ability;
6) fixed conversion phosphorus: organic phosphorus, the dissolved phosphorus in P elements, conversion substrate in the fixed water body of efficient absorption are insoluble Property orthophosphates;
7) inhibit harmful microorganism: effectively inhibiting the uncontrollable breeding of disinfect pathogen;
8) inhibit algae reproduction: the breeding for the zoogloea Reverse transcriptase algae that microbial bacterial agent is formed in water body;
9) environmentally protective --- ecological management does not generate secondary pollution.
Wherein, in step 4 in the combination microbial bacterial agent that is previously mentioned include changing die bed bacteria agent, changing water type bacteria agent With Tiny ecosystem Nutrition improver premix etc..
(1) change bottom bacteria agent
Changing bottom bacteria agent is the chain for choosing from former river, cultivate, strengthening, cultivate and being produced using targeting biological molecules sieve technology Formula ecological matrix beneficial microbe colony.Conversion to water-bed organic matter is especially improving benthic environment, decomposes sludge, reduces In terms of ammonia nitrogen, effect is directly and significant.
Flora: the raw bacterial strain of the high benefits such as whiterot fungi, photosynthetic bacteria, thiophilic bacillus
Clump count: greater than 2,000,000,000/g
It is as follows to change bottom bacteria agent feature:
1. purification efficiency is high;
2. the feature with very strong salt resistance concentration;
Efficiently change bottom 3. in situ, one-stop solutions internal loading pollution, solution black matrix, stench, organic matter and
Heavy metal four major problem.
Usage mode: bottom remodeling bacteria agent combination bed mud agitation carries out.After adding complex enzyme formulation, Xiang Shuiti adds bottom Remodeling bacteria agent, put-on method are sufficiently aerated to river using high plus hydraulic giant (with complex enzyme formulation addition method), are made Microbial bacterial agent and bed mud come into full contact with and growth and breeding.
(2) change aquatic organism microbial inoculum
Change water type bacteria agent be formed using microorganism in script water body through culture, screening, reinforcing, domestication it is dedicated micro- Biological inoculum.Change the high-efficiency strain in aquatic organism sand, for solving muddy water body, sticky, stench, ammonia nitrogen are high, algae is mutually exceeded etc. Problem, significant effect.
Flora: nitrobacteria, denitrifying bacteria, bacillus, Blastocystis, enzyme etc..
Clump count: greater than 2,000,000,000/g
It is as follows to change aquatic organism microbial inoculum feature:
1. COD, BOD effectively in degradation sewage5, ammonia nitrogen, the organic pollutants such as phosphorus;
2. forming dominant microflora, restore the self-purification capacity of polluted water body;
3. inhibiting harmful bacteria, pathogen, saprophytic bacteria group is balanced, inhibits the helminth of original inhabitants;
4. inhibiting the generation of the substance such as mercaptan, indoles and scatol of generation stink, stink is effectively dispelled;
5. inhibiting blue algae growth in water body.
Usage mode: microbial inoculum needs sufficiently to be aerated to target water body before adding, and guarantees there are enough dissolved oxygens in water body.It adds It is preceding will first change water type bacteria agent and be added in the container for filling former urban river water in proportion carry out aeration activation, use high pressure after activation Hydraulic giant is uniformly sprayed onto target water body, is added rear microbes and is mushroomed out, breeds, and dominant microflora is formed.
Wherein, the submerged plant being previously mentioned in step 5 is that one of core content of eutrophication water restoration of the ecosystem is main Play the part of the producer in the ecosystem, is to realize the key species changed from muddy state to clear water state, submerged plant can be efficient The substances such as absorbed nitrogen phosphorus;Photosynthesis is strong, can generate a large amount of primary oxygen, can keep the high dissolved oxygen state of water body for a long time;It is thorough Bottom changes water body nitrogen and phosphorous nutrient circulation pattern, inhibits sediments re-suspension and nitrogen and phosphorous nutrient release, promotes nitrification/anti-nitre of nitrogen Change effect and the sedimentation of phosphorus.Sanctuary is provided for zooplankter, to enhance control and system of the ecosystem to phytoplankton Self-purification capacity.Aquatic ecosystem food_chain lengths and complexity are increased, conducive to the ecosystem stablized, balanced is formed.
Aquatic animal is an indispensable ring in the underwater ecosystem, mainly play the part of consumer in the ecosystem they Key player is play in terms of substance flowing.Aquatic animal to a certain extent makees the absorption of water pollutant and migration With main path is by alimentary canal, respiratory tract and skin.It should be noted that the dispensing purpose of aquatic animal remains underwater The balance of the ecosystem.
The following are obtained settling column test results in restoration of the ecosystem practice
This test is using Nanyang black-odor riverway bed mud and overlying water as research object.Wherein testing column adds our company's screening Obtained high efficient strain, control column are not dealt with.Test result is following (table of comparisons is shown in Fig. 3):
It is concluded that by the implementation of this test section and water quality, sludge variation effect
This test can effectively eliminate black and odorous water, and water transparency reaches 90cm or more;
This test can effectively degrade the organic matter in mud, and mud color gradually becomes soil color, and organic matter removes in experimental period Rate is up to 50.71%;
CODCr removal rate in this test water body up to 87.92%, ammonia nitrogen removal frank up to 97.32%, total tp removal rate up to 87.08%, Dissolved Oxygen in Water 6.4mg/L or more.
The indexs such as TP, CODCr, DO reach " water environment quality standard " (GB3838-2002) IV class water gauge in water quality It is quasi-.
In conclusion this biological and ecological reparation (dredging) technology is suitable for pollution control and the bed-silt of black and odorous water Abatement, realize eliminate it is black smelly and achieve the purpose that biological dredging.

Claims (6)

1. a kind of river Ecology original position dredging restorative procedure, which comprises the steps of:
Step 1: cutting dirt;
Step 2: stirring scattered bed mud and add complex enzyme formulation;
Step 3: installation aerating system and installation microorganism reactor;
Step 4: adding combination microbial bacterial agent;
Step 5: constructing the underwater ecosystem.
2. a kind of river Ecology original position dredging restorative procedure according to claim 1, which is characterized in that the step 1 Specific practice are as follows: the sewage draining exit in watershed carry out cut dirt, thoroughly chop pollution sources off, avoid pollution object and continue to flow into.
3. a kind of river Ecology original position dredging restorative procedure according to claim 1, it is characterised in that: the step 2 Specific practice are as follows: river bottom mud sufficiently stirred with high-pressure hydraulic pump scattered, while adding complex enzyme formulation, change the anaerobism ring of bed mud Border, improves the bed mud state of black smelly, glutinous plate, while phosphorus is fixed and being sunk under water.
4. a kind of river Ecology original position dredging restorative procedure according to claim 1, it is characterised in that: the step 3 Specific practice are as follows: blower, aeration supervisor, aeration branch pipe and aeration flexible pipe are mounted to aerating system on bank;In river Microorganism reactor is installed, microorganism reactor integrates aeration and persistently adds with microorganism fungus kind, and aerating system is using high Micro-nano aeration is imitated, microorganism reactor uses microorganism embedding techniques, can rationally control microorganism and persistently add to water body.
5. a kind of river Ecology original position dredging restorative procedure according to claim 1, it is characterised in that: the step 4 Specific practice are as follows: by it is in situ choose, screening, orientation domestication, the technologies such as biological reinforced, obtaining from environment can efficient degradation The dominant bacteria of organic matter, after microbial inoculum is made in a variety of strains of acquisition, combine to obtain with Tiny ecosystem Nutrition improver premix combine it is micro- Bacteria agent puts into water body.
6. a kind of river Ecology original position dredging restorative procedure according to claim 1, it is characterised in that: the step 4 Specific practice are as follows: in water plant planting submerged plant and launch aquatic animal.
CN201910441743.5A 2019-05-24 2019-05-24 A kind of river Ecology original position dredging restorative procedure Pending CN110143737A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111423065A (en) * 2020-04-17 2020-07-17 安徽川鼎水处理设备有限公司 Micro-electrolysis Fenton treatment process for printing wastewater
CN111675452A (en) * 2019-12-05 2020-09-18 无锡碧泓达环境科技有限公司 Ecological water body purification system based on nano coupling material
CN111995056A (en) * 2020-08-18 2020-11-27 江苏江达生态科技有限公司 Systematic water ecological restoration method
CN112390349A (en) * 2020-10-29 2021-02-23 北京邦源环保科技股份有限公司 Underwater bionic ecological system for river sewage bottom mud treatment
CN112851065A (en) * 2021-04-12 2021-05-28 北京敦益科技有限公司 River bottom sludge treatment device and treatment method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111675452A (en) * 2019-12-05 2020-09-18 无锡碧泓达环境科技有限公司 Ecological water body purification system based on nano coupling material
CN111423065A (en) * 2020-04-17 2020-07-17 安徽川鼎水处理设备有限公司 Micro-electrolysis Fenton treatment process for printing wastewater
CN111995056A (en) * 2020-08-18 2020-11-27 江苏江达生态科技有限公司 Systematic water ecological restoration method
CN112390349A (en) * 2020-10-29 2021-02-23 北京邦源环保科技股份有限公司 Underwater bionic ecological system for river sewage bottom mud treatment
CN112851065A (en) * 2021-04-12 2021-05-28 北京敦益科技有限公司 River bottom sludge treatment device and treatment method thereof

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