CN210103566U - Riverway water quality normal position lift system - Google Patents
Riverway water quality normal position lift system Download PDFInfo
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- CN210103566U CN210103566U CN201920224955.3U CN201920224955U CN210103566U CN 210103566 U CN210103566 U CN 210103566U CN 201920224955 U CN201920224955 U CN 201920224955U CN 210103566 U CN210103566 U CN 210103566U
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Abstract
The utility model discloses a riverway water quality in-situ lifting system, which comprises a pre-pretreatment area, a high-efficiency biodegradation area and an ecological purification area, wherein an entrance of the pre-pretreatment area is provided with an interception belt, an exit of the pre-pretreatment area is provided with a grid net, and artificial aquatic plants are arranged in the pre-pretreatment area; the entry in high-efficient biodegradable district and the export intercommunication in leading preliminary treatment district, the inside aeration pipe that is provided with in high-efficient biodegradable district sets up micropore aeration head on the aeration pipe, the export in high-efficient biodegradable district and the entry intercommunication in ecological purification district, and ecological purification district is inside to be set up aquatic plant and/or aquatic animal. The utility model discloses an in situ lifting technology who is water purification district with river course self does not additionally increase and takes up an area of, has apparent removal effect to organic pollutant, suspended solid etc. and whole processing procedure investment is little, and it is fast to take effect, and can not cause water environment secondary pollution, can effectively ensure river course quality of water and treat clear of being of a specified duration for a long time.
Description
Technical Field
The utility model relates to a river course quality of water normal position lifting technology, in particular to river course quality of water normal position lift system.
Background
In China, small and medium river channels are important tasks of flood drainage, water traffic and the like, but with the development of urbanization and the continuous improvement of the living standard of people, a large amount of pollutants are indirectly or directly discharged into the river channels to cause serious pollution to water bodies, and partial water bodies even have black and odorous phenomena.
The study of domestic scholars shows that the river pollution in China is mainly organic pollution, and the pollution factors mainly comprise COD and BOD5Ammonia nitrogen, total phosphorus and the like, and the river channel generally has the phenomena of poor water body fluidity, small water flow turbulence, slow oxygen transfer and diffusion speed, insufficient dissolved oxygen, gradually reduced river self-purification capacity and the like, so that the polluted river channel water quality is gradually reduced under natural conditionsThe self-repairing is difficult in a short time, and the improvement and the recovery of the river channel are accelerated by adopting artificial strengthening measures.
Therefore, many scholars put forward a plurality of technical measures through research, take biodegradation as a research focus, mainly because the organic pollutants can be rapidly degraded, converted and absorbed by the microorganisms in the water body, and because the number of microorganisms is large in the variety and quantity in the natural water body, the propagation speed is high, and the water body has no secondary pollution, so that the biological degradation method is favored by many scholars. However, because the river channel is seriously polluted, the growth of indigenous microorganisms is limited, and the metabolic activity is reduced, so that artificially cultured exogenous microorganisms such as photosynthetic bacteria need to be added under appropriate conditions, the microorganisms can metabolize and grow by taking organic matters as matrixes under anaerobic illumination and aerobic dark conditions, the microorganisms have strong degradation and conversion capacity on the organic matters, and meanwhile, some biological promoters can be added to activate the number of indigenous microorganisms, promote the growth and the propagation of the indigenous microorganisms, and greatly help to improve the river channel. However, in the prior art, the addition of artificially cultured exogenous microorganisms which are not experimentally researched for improving the water quality of the river channel destroys the indigenous microbial system of the river channel, thereby affecting the recovery of the ecological system of the river channel and being not beneficial to the lasting improvement of the water quality.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome above prior art not enough and provide a river course quality of water normal position lift system, can be under less investment and operation cycle, reduce pollutant concentration fast, fundamentally improves quality of water, resumes aquatic ecosystem and promotes water self-purification ability.
The utility model discloses technical scheme as follows:
a riverway water quality in-situ lifting system comprises a pre-pretreatment area, a high-efficiency biodegradation area and an ecological purification area, wherein an entrance of the pre-pretreatment area is provided with an interception belt, an exit of the pre-pretreatment area is provided with a grid net, and artificial aquatic weeds are arranged in the pre-pretreatment area; the entry in high-efficient biodegradable district and the export intercommunication in leading preliminary treatment district, the inside aeration pipe that is provided with in high-efficient biodegradable district sets up micropore aeration head on the aeration pipe, the export in high-efficient biodegradable district and the entry intercommunication in ecological purification district, and ecological purification district is inside to be set up aquatic plant and/or aquatic animal.
Furthermore, the in-situ riverway water quality lifting system is characterized in that an aeration pipe connected with a fan is further arranged in the pre-pretreatment area, and an aeration head is arranged on the aeration pipe.
Further, river course quality of water normal position lift system, high-efficient biodegradable district is provided with the microorganism incubator, the microorganism incubator passes through water pump connecting tube and sets up the pipeline inside high-efficient biodegradable district, is provided with the microorganism export on the inside pipeline in high-efficient biodegradable district.
Furthermore, the in-situ riverway water quality lifting system is characterized in that the artificial aquatic plants and the aquatic plants are arranged along the width direction of the riverway.
Further, in the in-situ riverway water quality improving system, the aquatic plants comprise one or more of submerged plants or emergent aquatic plants.
The preposed pretreatment area of the utility model mainly intercepts upstream river-entering pollutants through a grid net, an ecological interception zone and artificial aquatic weeds, and meanwhile, the artificial aquatic weeds can be used as carriers for microorganism enrichment and can be cultivated for a certain time (such as about 15 days), so that a biomembrane can be preliminarily formed, and a certain degradation effect on river-entering organic matters is achieved;
the utility model discloses the accessible is with compound microbial inoculum of microorganism and microbial activator, through cultivating the back, drops into the river course water, richens microorganism kind and concentration in the water, activates the number of indigenous microorganism in the water simultaneously, and this process assists the side direction micropore aeration simultaneously to improve aquatic dissolved oxygen content, promote the growth and reproduction of microorganism.
The microbial compound microbial inoculum mainly comprises bacillus licheniformis, klebsiella, saccharomycetes, photosynthetic bacteria, nitrobacteria, denitrifying bacteria, bacillus, phosphorus accumulating bacteria, actinomycetes and the like, exists in the form of solid powder, firstly carries out liquid culture activation on a microbial inoculum and a microbial activator in an on-site culture tank or a microbial incubator, when the bacterial liquid reaches the preset concentration, the bacterial liquid is transferred to a water tank filled with river water, is uniformly stirred, is continuously cultured for 24 hours, and uniformly disperses mixed water in the water tank to a river water body by means of a water pump and a pipeline.
The percentage composition of the microbial composite inoculum and the concentration required to be achieved after culture can be further expressed as follows:
further, the above-mentioned microbial activator mainly includes biotin, nicotinic acid, mineral elements, glucose, etc., and its main components and concentrations can be shown in the following table:
| serial number | Name (R) | Concentration of | Serial number | Name (R) | Concentration of |
| 1 | Nicotinic acid | 3-5ng/mL | 8 | MgSO4 | 0.08mg/ |
| 2 | Pantothenic acid | 3-5ng/mL | 9 | FeSO4 | 0.05mg/mL |
| 3 | Folic acid | 5-10ng/mL | 10 | CaCl2 | 0.08mg/mL |
| 4 | Biotin | 1-3ng/mL | 11 | ZnSO4 | 0.06mg/mL |
| 5 | KH2PO4 | 0.05mg/ |
12 | MnSO4 | 0.05mg/mL |
| 6 | K2HPO4 | 0.05mg/ |
13 | Glucose | 0.25mg/mL |
| 7 | NaCl | 0.05mg/ |
14 | Maltose | 0.35mg/mL |
The ecological purification area of the utility model mainly comprises the screening and matching of aquatic plants and the construction of an aquatic ecosystem, and firstly, in the selection of the aquatic plants, the aquatic plants with good purification effect and strong landscape property, such as cress, yellow iris, black trigone and the like, are selected according to local conditions; and secondly, constructing a water body ecological system, namely, constructing a biofilm system taking aquatic plants as carriers by activating a local microbial community system, and meanwhile, arranging a gabion net at the periphery of a riverway to form a inhabitation space for aquatic animals such as fishes and the like so as to construct an aquatic ecological system combining the aquatic plants, the microorganisms and the aquatic animals.
The utility model provides a river course quality of water normal position lift system, can be according to the river course current situation, such as the river length, the width, the depth of water, condition such as velocity of flow and quality of water, divide it into three-section water quality treatment district along the river, mainly include the leading preliminary treatment district of river course, the high-efficient degradation treatment district of microorganism, ecological purification district, whole processing procedure is mainly carried out normal position promotion to river course quality of water with materialization and biological method, wherein leading preliminary treatment district, mainly used go into the river pollutant in the upper reaches and carry out preliminary interception like dross, fallen leaves, greasy dirt etc. microorganism high-efficient degradation treatment district, mainly use the microbial inoculum as the core, through compound microbial inoculum, improve this section of water in microbial concentration, improve its removal rate to organic matters such as COD, ammonia nitrogen, phosphorus, ecological purification district, mainly through planting aquatic plant like submerged plant, emergent aquatic animal etc., and a water ecological purification system is constructed, and the self-purification capacity of the water body is improved.
By adding a microbial agent and a microbial activator, intercepting upstream pollutants by virtue of an ecological interception zone, and reducing the concentration of downstream river pollutants; meanwhile, a biocoenosis taking aquatic animals, plants and microorganisms as a core is constructed at the downstream, so that the self-purification capability of a water body ecological system and a river channel is fundamentally recovered, and the long-term control of water quality is ensured.
Advantageous effects
(1) The occupied space is small. The equipment used in the utility model is mainly small-sized and distributed, can fully utilize scattered land along the river, and does not occupy extra land; meanwhile, the technical idea focuses on the improvement of the original river channel, emphasizes the organic combination with the river channel, and reduces the occupied area of the system.
(2) The energy consumption is low. This utility model is mainly evenly arranged small-size distributed aeration equipment in the biodegradable district, and rivers rely on gravity top-down to flow, do not additionally provide power, effectively reduce the energy consumption.
(3) The water quality can be kept for a long time. The utility model discloses in the technical scheme who relates, from the upper reaches to the end, all adopt corresponding technical measure, found river course water ecosystem, can improve river course quality of water for a long time, guarantee that the river course is controlled for a long time clearly.
The restoration of contaminated river course is an extremely complicated system engineering, and the river course of china pollutes comparatively seriously at present, and the water pollution reason is complicated, only adopt single microbial remediation technique to be difficult to reach the restoration effect of ideal, for this reason, the utility model discloses a found river course quality of water normal position lift system, when dealing with contaminated river course, when especially black and odorous water, full play native microorganism activation system, in accordance with the utilization scattered land of local system, do not occupy extra land, make full use of river course self space, the rational arrangement facility equipment, emphasize quality of water normal position promotes, with strong points, application scope is wide, can be fast, high-efficient promote water environment quality, and do not produce secondary pollution to the water, and simultaneously, found aquatic attitude system in the disposal area low reaches, can guarantee quality of water and manage for a long time clearly, effectively deal with the proruption water pollution incident.
Drawings
Fig. 1 is a schematic view of a riverway water quality in-situ lifting system provided in embodiment 2 of the present invention; wherein 1 is leading preliminary treatment district, 11 is the interception area, 12 is artifical pasture and water, 13 is the grid net, 14 is the aeration pipe, 15 is the aeration head, 2 is high-efficient biodegradable region, 21 is the aeration pipe way, 22 is micropore aeration head, 23 is the microorganism incubator, 24 is the water pump, 25 is the microorganism export, 3 is the ecological purification district, 31 is the aquatic plant, 32 is the aquatic animal, 4 is the fan.
Detailed Description
The present invention is further illustrated by the following examples, which are provided for illustrative purposes only and are not intended to limit the scope and spirit of the present invention.
Example 1
The embodiment provides an in-situ riverway water quality improving method, which comprises the steps of performing biodegradation on a riverway water body after pre-filtration treatment, wherein the biodegradation process is to introduce a cultured microbial compound bacteria agent into the water body for biodegradation; the microbial compound inoculant comprises the following microbial components in percentage by mass: 0.5-1.5% of bacillus licheniformis, 0.5-1.5% of klebsiella, 5-15% of yeast, 10-30% of photosynthetic bacteria, 10-20% of nitrobacteria, 10-20% of denitrifying bacteria, 10-20% of phosphorus accumulating bacteria, 5-15% of actinomycetes and 5-15% of bacillus subtilis, wherein the sum of the mass percentages of the components is 100%.
Further, in order to improve the growth efficiency of microorganisms, a microorganism activator is added in the embodiment to be mixed and cultured with the above microorganism complex microbial inoculum, and the microorganism activator comprises the following components in percentage by mass: one or more of nicotinic acid, pantothenic acid, folic acid, biotin, mineral elements, glucose or maltose.
Example 2
The embodiment provides an in-situ riverway water quality lifting system based on embodiment 1, as shown in fig. 1, the system comprises a pre-pretreatment area 1, a high-efficiency biodegradation area 2 and an ecological purification area 3, wherein an entrance of the pre-pretreatment area 1 is provided with an interception belt 11, an exit of the pre-pretreatment area 1 is provided with a grid net 13, and artificial aquatic plants 12 are arranged inside the pre-pretreatment area 1; the inlet of high-efficient biodegradable district 2 and the export intercommunication of leading preliminary treatment district 1, the inside aeration pipe 21 that is provided with in high-efficient biodegradable district 2, set up micropore aeration head 22 on the aeration pipe 21, the export of high-efficient biodegradable district 2 and the entry intercommunication of ecological purification district 3, ecological purification district 3 is inside to set up aquatic plant 31 and/or aquatic animal 32.
In order to better realize the water quality improvement effect, an aeration pipe 14 connected with a fan 4 is further arranged inside the pre-pretreatment area 1 in the riverway water quality in-situ lifting system provided by the embodiment, and an aeration head 15 is arranged on the aeration pipe 14; the efficient biodegradation area 2 is provided with a microorganism incubator 23, the microorganism incubator 23 is connected with a pipeline through a water pump 24 and arranges the pipeline inside the efficient biodegradation area 2, and a microorganism outlet 25 is arranged on the pipeline inside the efficient biodegradation area 2; the artificial aquatic plants 12 and the aquatic plants 31 are arranged along the width direction of the river channel.
The river course quality of water normal position lift system that this embodiment provided can carry out the normal position and reform transform in the river course, does not additionally increase the area occupied, utilizes scattered land along the river as far as possible, through rationally arranging treatment area and facility, constructs integration normal position and promotes technical system, realizes quality of water and improves, the whole mesh that promotes of water environment quality fast.
In the process of improving the water quality, the in-situ riverway water quality improving system provided by the embodiment can adjust the aeration intensity according to the concentration of dissolved oxygen in water; the microorganism concentration is improved through the culture of the microorganism incubator, and the microorganisms are uniformly dispersed into the water body of the river channel by means of a water pump and a pipeline.
The in-situ riverway water quality improving system provided by the embodiment can be arranged according to specific conditions of a riverway in the specific water quality improving process, wherein the ecological purifying area can comprise aquatic plants, coastal gabion nets, aquatic animals and the like, so that an aquatic ecological community system with cooperation of the aquatic plants, the microorganisms and the aquatic animals is constructed.
The riverway water quality in-situ lifting system provided by the embodiment is used for lifting riverway water quality, and comprises the following processes:
(1) the upstream comes water to flow into leading preliminary treatment district at first in the river course, and in leading preliminary treatment district, the upstream comes water to take earlier through ecological interception area, intercepts the dross on the surface of water, then gets into artifical pasture and water district, can carry out preliminary degradation to organic pollutant in this region, alleviates the treatment pressure in follow-up biodegradable district, intercepts artifical pasture and water because of rotten or withered great floater that forms through the grid net at last, further gets rid of aquatic suspended solid.
(2) The pretreatment is carried out before the water enters a high-efficiency biodegradation area, and the specific process is that after the pretreatment, the suspended matters in the upstream incoming water are effectively removed, and in the area, the dissolved oxygen in the water is provided in an aeration oxygenation mode according to the concentration of the dissolved oxygen in the water and the requirement of microorganisms on the dissolved oxygen, wherein the concentration of the dissolved oxygen is not lower than 6.0-8.0 mg/L; simultaneously, for improving aquatic microorganism concentration, after the mode through artificial cultivation cultivates in the microorganism incubator, through the form of water pump, utilize the pipeline to add the fungus liquid evenly to the river course.
(3) After being treated in the high-efficiency biodegradation area, the treated water enters an ecological purification area, and the specific process is that gabion nets are arranged along a river to improve habitat for aquatic animals and enrich animal communities in water; meanwhile, aquatic plants with efficient degradation function are planted in the riverway, so that the landscape is beautified, plant communities are enriched, the capability of coping with water quality emergencies is realized, and an aquatic ecosystem is constructed together.
The utility model provides a river course quality of water normal position lift system can be according to local conditions in practical application, looks water pollution degree and administers the target, and targeted adjustment technology and facility equipment to guarantee to realize the lasting improvement of water environment under the low-cost.
Example 3
This embodiment is for utilizing the utility model provides a method and system carry out the concrete example that river course quality of water promoted, specifically as follows:
selecting a polluted river channel with the length of about 300 meters and the width of about 5 meters, the water depth of about 2 meters, the water volume of about 3000 cubic meters, the flow rate of about 0.20m/s and the water temperature of 20-30 ℃, and detecting the conventional water quality indexes in the early stage of river channel treatment, wherein the detailed indexes are shown in the following table:
COD, ammonia nitrogen, total phosphorus and the like in the water body exceed the standard seriously, the concentration of dissolved oxygen is lower, the growth of aquatic animals and microorganisms is not facilitated, the transparency of the water body is poorer, the growth of submerged plants is not facilitated, and the water environment of the section is poorer and the pollution degree is more serious on the whole. The utility model discloses to this section river course, arrange wide about 5 meters ecological interception area in the upper reaches, in interception area low reaches 10 meters, arrange artifical pasture and water district, it has multiple choices, like polyethylene elasticity artifical pasture and water, fibre pasture and water etc. to carry out even aeration in this region, improve dissolved oxygen to 4.5mg/L, through about 15 days, can enrich multiple microorganism on artifical pasture and water, form the biomembrane, can effectively reduce organic matter in the water, alleviate the organic load of follow-up biological treatment; then the effluent enters a high-efficiency biodegradation area, in order to promote the types and the quantity of microorganisms in the area and activate the local microorganisms, a microorganism composite microbial inoculum and a microorganism activating agent are utilized to culture the microorganisms for 48 hours in a microorganism incubator arranged along a river, and the detected concentration reaches a certain concentration of about 300 multiplied by 108CFU/mL, utilize water pump and pipeline, disperse the bacterium liquid to the river course evenly, in order to guarantee the microbial growth needs the dissolved oxygen, need to carry on the even aeration, maintain the dissolved oxygen concentration not lower than 6.0-8.0mg/L, meanwhile, spray the microbial activator into the river course through the artificial microorganism, promote the growth of indigenous microorganism and compound microorganism fungus in the river course, improve the microbial community in the water, the system runs about 7 days and can be seen the result, after the biodegradation in the area, the organic matter removal rate can reach 75% -90%; after being treated by the biodegradation area, the ecological water treatment area enters an ecological purification area, aquatic plants such as canna, reed, cattail and the like are planted in the area, the water quality purification requirement is met according to local conditions, the landscape function is also met, gabion nets are scattered along a river at the area section, large gaps are formed, aquatic animals can conveniently inhabit, water body biological communities are enriched, a river channel aquatic ecological system is improved, and the self-cleaning capacity of the river channel is gradually recovered; after the treatment of the above measures and stable operation, the operation period is about 30 days, and the transparency of the downstream effluent water body can reach 90The river reach the bottom of a river with the depth of more than centimeter or clear, COD is about 25mg/L, ammonia nitrogen is 1.2mg/L, and total phosphorus is 1.35mg/L, and long-time operation shows that the river reach has stronger anti-pollution impact load capacity, and the water quality of a water body is fundamentally improved.
In this example, the composition mass percentages and culture concentrations of the microbial composite inoculum are specifically shown in the following table:
| serial number | Name of microbial inoculum | Status of state | Ratio (%) | Concentration (cfu/mL) |
| 1 | Bacillus licheniformis | Solid in powder form | 1±0.5 | 1.0×108 |
| 2 | Klebsiella sp | Solid in powder form | 1±0.5 | 1.0×108 |
| 3 | Yeast | Solid in powder form | 10±5 | 10×108 |
| 4 | Photosynthetic bacteria | Solid in powder form | 20±10 | 20×108 |
| 5 | Nitrifying bacteria | Solid in |
15±5 | 15×108 |
| 6 | Denitrifying bacteria | Solid in |
15±5 | 15×108 |
| 7 | Phosphorus accumulating bacteria | Solid in powder form | 18±5 | 18×108 |
| 8 | Actinomycetes | Solid in powder form | 10±5 | 10×108 |
| 9 | Subtilis spikeBacillus | Solid in powder form | 10±5 | 10×108 |
The following table shows the additive components and additive concentrations for the microbial activators:
| serial number | Name (R) | Concentration of | Serial number | Name (R) | Concentration of |
| 1 | Nicotinic acid | 3-5ng/mL | 8 | MgSO4 | 0.08mg/ |
| 2 | Pantothenic acid | 3-5ng/mL | 9 | FeSO4 | 0.05mg/mL |
| 3 | Folic acid | 5-10ng/mL | 10 | CaCl2 | 0.08mg/mL |
| 4 | Biotin | 1-3ng/mL | 11 | ZnSO4 | 0.06mg/mL |
| 5 | KH2PO4 | 0.05mg/ |
12 | MnSO4 | 0.05mg/mL |
| 6 | K2HPO4 | 0.05mg/ |
13 | Glucose | 0.25mg/mL |
| 7 | NaCl | 0.05mg/ |
14 | Maltose | 0.35mg/mL |
The foregoing has described the detailed description of the principles and aspects of the present invention, along with its principal features and advantages. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A riverway water quality in-situ lifting system is characterized by comprising a pre-pretreatment area, a high-efficiency biodegradation area and an ecological purification area, wherein an entrance of the pre-pretreatment area is provided with an interception belt, an exit of the pre-pretreatment area is provided with a grid net, and artificial aquatic plants are arranged in the pre-pretreatment area; the entry in high-efficient biodegradable district and the export intercommunication in leading preliminary treatment district, the inside aeration pipe that is provided with in high-efficient biodegradable district sets up micropore aeration head on the aeration pipe, the export in high-efficient biodegradable district and the entry intercommunication in ecological purification district, and ecological purification district is inside to be set up aquatic plant and/or aquatic animal.
2. The in-situ riverway water quality lifting system according to claim 1, wherein an aerator pipe connected with a fan is further arranged in the pre-pretreatment area, and an aerator head is arranged on the aerator pipe.
3. The in-situ riverway water quality lifting system according to claim 1, wherein the high-efficiency biodegradation area is provided with a microorganism culture box, the microorganism culture box is connected with a pipeline through a water pump and is arranged in the high-efficiency biodegradation area, and a microorganism outlet is arranged on the pipeline in the high-efficiency biodegradation area.
4. The in-situ riverway water quality lifting system according to claim 1, wherein the artificial aquatic plants and the aquatic plants are arranged along the width direction of the riverway.
5. The in-situ riverway water quality improving system according to claim 1, wherein the aquatic plants comprise one or more of submerged plants or emergent plants.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109879445A (en) * | 2019-02-22 | 2019-06-14 | 南京恒茂环保科技有限公司 | A kind of river water quality original position method for improving and system |
| CN113003707A (en) * | 2021-02-18 | 2021-06-22 | 华北水利水电大学 | Organic pollution river course normal position processing apparatus |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109879445A (en) * | 2019-02-22 | 2019-06-14 | 南京恒茂环保科技有限公司 | A kind of river water quality original position method for improving and system |
| CN113003707A (en) * | 2021-02-18 | 2021-06-22 | 华北水利水电大学 | Organic pollution river course normal position processing apparatus |
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