CN111056643A - River channel ecological treatment system and treatment method - Google Patents
River channel ecological treatment system and treatment method Download PDFInfo
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- CN111056643A CN111056643A CN202010031792.4A CN202010031792A CN111056643A CN 111056643 A CN111056643 A CN 111056643A CN 202010031792 A CN202010031792 A CN 202010031792A CN 111056643 A CN111056643 A CN 111056643A
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- 239000000945 filler Substances 0.000 claims abstract description 50
- 238000005507 spraying Methods 0.000 claims description 28
- 230000007246 mechanism Effects 0.000 claims description 26
- 239000007921 spray Substances 0.000 claims description 10
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- 244000286838 Eclipta prostrata Species 0.000 claims description 2
- 241000234479 Narcissus Species 0.000 claims description 2
- 241001448533 Rohdea Species 0.000 claims 1
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Botany (AREA)
- Biotechnology (AREA)
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses a river channel ecological treatment system which comprises a plant ecological system and a water source conveying system, wherein the plant ecological system comprises a plurality of groups of movable plant potted plants, and biological fillers are filled in the plant potted plants. Also discloses a river channel ecological treatment method. The plant potted plants are used for purifying river water, the biological filler is used as a culture medium of the plants and can intercept and adsorb suspended solids in the water, microorganisms in the river water form a biological membrane with biochemical activity, each plant potted plant is equivalent to a single-stage micro biological filter, and the river water treatment capacity of the plant ecological system is improved. Meanwhile, when the plants of the plant ecosystem grow to a preset degree, the plant pot plants which finish the growth can be replaced by new plant pot plants, and the replaced plant pot plants continue to treat river water in the river channel, so that secondary pollution of the river channel and complex manual harvesting and cleaning work caused by withered and dead plants are avoided.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a river channel ecological treatment system and method.
Background
The river channel is a complex ecological system comprising land, animals, plants and water bodies, and has the functions of regulating runoff, regulating water storage amount, removing toxic and harmful substances in water and providing habitats of aquatic and terrestrial animals. Along with the rapid development of economy in China, the speed of urbanization and industrialization is faster and faster, the living standard of people is improved, a large amount of domestic sewage and industrial sewage are discharged into urban river channels, and the treatment of urban river channel pollution becomes an urgent problem.
The current common river regulation engineering technology in China comprises the following steps: 1. heightening a river bank; 2. adopting reinforced concrete and block stone structures; 3. river channel manual operation and canalization; 4. and (6) dredging. The water conservancy conditions of the river channel are considered in the treatment technology, manual intervention is emphasized too much, the ecological function of the river channel is greatly influenced, and the consequences that the river channel is single in habitat, the aquatic plants are lacked, the peripheral ecological food chain is broken, the biological diversity is reduced, the purifying capacity of the river channel is poor and the like are caused. In recent years, the river ecological restoration technology is gradually developed, the river ecological system is restored to an approximate state before being destroyed through ecological means, and the self-maintenance dynamic balance capability of the river ecological system can be restored.
According to the existing developed aquatic plant restoration technology, aquatic plants are planted in a riverway, so that on one hand, plant root tissues adsorb biological and non-biological suspended substances in a water body, the transparency of the water body can be improved, the underwater illumination condition is improved, and the dissolved oxygen in the water body is increased. On the other hand, in the growth process of the aquatic plants, a large amount of nutrient elements such as nitrogen, phosphorus and the like need to be absorbed, and the plants can remove nutrient salts and pollutants in water neutralization bottom mud through enrichment, so that the water quality purification effect is achieved.
The restoration technology for directly planting the aquatic plants in the river channel has many defects, such as fussy manual timing harvesting and cleaning work, deposition of the dead plants at the bottom of the water, secondary pollution in the river channel, difficulty in controlling plant growth, risk of ecological imbalance caused by excessive growth of the aquatic plants in the river channel and the like.
Disclosure of Invention
The invention aims to provide a river channel ecological management system to overcome the defects in the prior art.
The technical scheme of the invention is as follows:
a river ecological management system comprises a plant ecological system and a water source conveying system, wherein the plant ecological system is arranged at a preset position of a river bank, and the water source conveying system conveys water of a river to the plant ecological system; the plant ecosystem comprises a plurality of groups of movable plant potted plants, and biological fillers are filled in the plant potted plants.
And conveying the river water in the river channel to the plant ecological system through the water source conveying system, and finishing the purification treatment of the river water by the plant ecological system. The plant pot plant can absorb and degrade pollutants in river water; the biological filler is used as a culture substrate of plants, microorganisms in the river water gradually grow to form a biological film with biochemical activity, and the biological film is attached to the biological filler and can further intercept, adsorb and decompose pollutants in suspended matters, colloids and dissolved states in the river water. Therefore, a single-stage micro biological filter is formed in each plant pot, and the river water treatment capacity of the plant ecosystem is improved. Meanwhile, when the plant pot plants grow to a preset degree, the plant pot plants are directly replaced by new pot plants, and river water in the river channel is continuously treated by the replaced plant pot plants, so that secondary pollution of the river channel and complex manual harvesting and cleaning work caused by withered plant can be avoided. The plant pot plants the hygrophytes.
Preferably, the plant is cultivated in a pot and includes plant cultivation device, plant cultivation device includes the lateral wall, the lateral wall of plant cultivation device is equipped with a gap, the inside wall of plant cultivation device is equipped with a warning pipe, warning pipe one end is connected the gap, the other end extends to plant cultivation device bottom. The overflow port is arranged at a position with a certain height on the side wall, so that a certain liquid level height is kept in the plant cultivation device, the overflow pipe can effectively avoid short flow, the extending end part of the overflow pipe is detachably connected with a hard pipe, a hose or a plug with a proper size, and the river water treated by the plant pot culture flows out of the overflow pipe and finally flows into a river channel again, so that the circulation treatment of the river water is completed. After plant is cultivated in a pot and grows to predetermined degree, will behind hard tube, the hose dismantlement, the end cap of installing suitable size can be transported to market and sell, has improved plant's economic value cultivated in a pot.
Preferably, the plant ecosystem further comprises a supporting mechanism for carrying the plant pot plants, and the plurality of groups of plant pot plants are movably arranged on the supporting mechanism. When the hygrophyte in the plant is cultivated in a pot grows to predetermined degree, can replace the plant potted plant that accomplishes the growth with new plant is cultivated in a pot, and the replacement is convenient, has avoided the manual work to reap and has planted the trouble that brings again.
Preferably, the supporting mechanism is provided with a water spraying pipe connected with the water source conveying system, the water spraying pipe is provided with a valve used for adjusting flow and a tubular spraying nozzle, and the water spraying pipe and the tubular spraying nozzle convey a water source to the plant pot culture. The water spraying pipe is provided with a valve, and the flow of irrigation water can be adjusted by controlling the valve.
Preferably, the supporting mechanism is provided with a plurality of potted plant accommodating frames for accommodating potted plants, the tubular spray nozzles are arranged at preset positions above the potted plant accommodating frames, river water in a river channel flows out of the tubular spray nozzles and flows into the potted plants under the action of gravity instead of being directly conveyed into the potted plants, the river water can be oxygenated, the growth of hygrophytes and microorganisms attached to biological fillers in the potted plants is facilitated, and therefore the river water treatment capacity of a plant ecosystem is improved.
Preferably, the plurality of potted plant accommodating frames are arranged in a step shape along the height direction of the river bank, and the tubular spray nozzle is arranged on the uppermost potted plant accommodating frame of the plurality of potted plant accommodating frames. The river water irrigates the hygrophytes in the uppermost plant pot plant from the uppermost tubular spray nozzle, and the river water in the uppermost plant pot plant flows out of the corresponding overflow pipe and flows to the lower plant pot plant under the action of gravity, and finally flows out of the overflow pipe of the lowermost plant pot plant to the river channel. Therefore, the river water finally flows back to the river channel after being subjected to multiple purification effects of the multistage micro biological filter, the quality of the river water is rapidly and effectively purified, the flowing effect of river water falling in multiple stages is formed, a certain effect of oxygenating the river water is achieved, and ecological balance in the river channel is facilitated.
Preferably, the supporting mechanism comprises a frame-shaped structure body, the pot culture containing frames are arranged on the frame-shaped structure body in a ladder shape, and the supporting mechanism further comprises an auxiliary supporting leg, and the frame-shaped structure body is supported on the bank of the upright river channel by the auxiliary supporting leg.
Preferably, the support mechanism comprises a frame-shaped structure body, and the plurality of pot culture accommodating frames are arranged on the frame-shaped structure body in a step shape; the frame-shaped structure body is attached to the slope-shaped embankment and is fixed on the slope-shaped embankment through a fixing piece.
Preferably, the water source conveying system comprises a water pump, an inlet end of the water pump is connected with a water conveying pipeline, an inlet end of the water conveying pipeline is arranged in the river channel, and an outlet end of the water pump is connected and communicated with the water spraying pipe. The river water in the river channel is continuously conveyed to the plant pot culture through the water pump, and the operation is simple and convenient.
Preferably, the hygrophytes are planted in the plant pot plants, the hygrophytes are selected from hygrophytes with strong waterlogging tolerance, further preferably, the hygrophytes are selected from hygrophytes suitable for ornamental flowers, such as calla, narcissus, rohdea japonica, eclipta alba and the like, and the plants can be directly transferred to a flower market for selling when growing to a preset degree, can be used as a source for landscape furnishings such as industrial enterprises, office places and the like, and can obtain considerable economic benefit. Preferably, the biological filler comprises sponge filler and biological rope filler. The mixed biological filler composed of the sponge filler and the biological rope filler provides a space with a large number of fine pores and has good adsorption performance, and suspended solids in water can be intercepted and adsorbed. The biological rope filler and the sponge biological filler have strong water holding capacity, can maintain the aquatic environment required by the growth of the hygrophytes for a long time, do not need to be sprayed circularly all the time, and greatly reduce the energy consumption of river water treatment.
By adopting the river channel ecological treatment system, river water in the river channel is conveyed to the plant ecological system through the water source conveying system, and when wet plants of the plant ecological system grow to a preset degree, the wet plants which finish growing can be replaced by new wet plants. The treatment method is simple, secondary pollution to the river channel is avoided, and complicated manual harvesting and cleaning work is avoided.
Compared with the prior art, the invention has the following beneficial effects:
firstly, the river ecological treatment system and the treatment method of the invention have the advantages that the plant pot culture can absorb and degrade pollutants in river water to purify the water quality of the river, the biological filler is used as a culture substrate of the plant and can intercept and adsorb suspended solids in the water, microorganisms in the river water grow to form a biological film with biochemical activity, and the biological film is attached to the biological filler and can further intercept and adsorb and decompose the pollutants in a suspended matter, colloid and dissolved state in the river water; the plant ecosystem of the invention combines plant purification and biological treatment technologies, each plant pot plant is equivalent to a single-stage micro biological filter, and the river water treatment capacity of the plant ecosystem is improved; meanwhile, when the plants in the plant pot plants grow to a preset degree, the plant pot plants which finish the growth are directly replaced by new plant pot plants, the replaced pot plants continue to treat river water in a river channel, secondary pollution of the river channel and complex manual harvesting and cleaning work caused by withered and dead plants are avoided, the replaced plant pot plants can be directly transferred to a flower market for selling, and the plant pot plants can be used as low-price goods sources for landscape display of industrial enterprises, office places and the like, so that the ecological management of the river channel is not the input type work any more, but the output type work.
Secondly, the sewage of the river channel is continuously extracted to plant pot plants for watering the hygrophytes, the sewage flows back to the river channel after the purification effect of the multi-stage pot plants, pollutants in the river channel are continuously intercepted or adsorbed and stopped in the pot plants, and are further decomposed and eliminated under the action of plant root system tissues and microorganisms, so that pollutants in the ecological system of the river channel are reduced, and the water quality of the river channel is quickly and effectively purified; meanwhile, the water flow drip irrigation circulation flow and the oxygen delivery effect of plants can play a role in continuously oxygenating river water, thereby being beneficial to the ecological balance in the river channel.
Thirdly, the hygrophytes of the invention are selected from the hygrophytes which are liked to grow in a long-term humid environment, the drought resistance is poor, the structure of a liquid level with a certain height can be maintained through the plant cultivation device, the aquatic environment required by the growth of the hygrophytes can be maintained for a long time by combining the strong water holding capacity of the biological rope filler and the sponge biological filler, the continuous circulating spraying is not needed, and the energy consumption of river water treatment is greatly reduced.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
Fig. 1 is a schematic structural view of a river ecological management system in embodiment 1 of the present invention;
FIG. 2 is another schematic structural diagram of the river ecological management system of embodiment 1 of the present invention;
FIG. 3 is a schematic structural view of a potted plant of example 1 of the present invention;
fig. 4 is a schematic structural diagram of a river ecological management system in embodiment 2 of the present invention;
fig. 5 is a schematic structural view of a support mechanism of embodiment 2 of the present invention.
Reference numerals:
the device comprises a supporting mechanism 1, a water pump 2, a water delivery hose 3, a water spraying pipe 4, a plant pot 5, a frame-shaped structure body 15, auxiliary supporting legs 16, a first containing frame 11, a second containing frame 12, a third containing frame 13, a fourth containing frame 14, a water delivery pipe 21, a valve 41, a tubular spraying nozzle 42, a basin-shaped device 51, biological fillers 52, an overflow pipe 53, a hose 54, an overflow port 55, a river bank 20, a rope 30, an anchor rod 40 and an iron ring 11.
Detailed Description
The existing aquatic plant restoration technology has the following problems: river regulation belongs to input type work, often needs to invest a large amount of material resources and labour cost, and can not produce actual output value and income. The device that patent CN206447730 provided adopts biological ball filler and activated carbon fiber to keep back the suspension solid matter of absorption river aquatic, and biological ball filler filter capacity is limited, and activated carbon fiber filter screen reaches the adsorption saturation very fast, needs to change new activated carbon material frequently, and complex operation and consumption a large amount of adsorbed material, and the activated carbon filter screen waste material after the adsorption saturation needs to carry out subsequent further processing moreover. And the aquatic plants need to be harvested and properly disposed in time after growing to a certain degree so as to avoid secondary pollution to water bodies after the plants wither and die. In addition, the floating frame of the device provided by the patent is positioned in a river channel, occupies the area of a river channel water area and is difficult to apply to a canal with a narrow river surface.
Aiming at the problem of secondary pollution caused by water quality deterioration of riverways in cities and towns and riverway restoration by aquatic plants, a riverway ecological treatment system and a treatment method combining plant purification and biological treatment technologies are provided. By the method and the device, the water quality of the river channel can be quickly and effectively purified, good economic benefits are obtained by selling a large number of landscape plants, and the river channel is converted into production type treatment and is suitable for ecological treatment of urban river channels.
The invention selects the biological filler as the substrate for the growth and adhesion of the plant root system, and particularly, the biological filler selects the biological rope filler and the sponge biological filler to be matched for use. The biological rope filler and the sponge biological filler have larger specific surface area and good water-holding effect. The large specific surface area enables the biological rope filler and the sponge biological filler to absorb and intercept most suspended solids flowing through the filler river, meanwhile, microorganisms in water are attached to the biological filler and gradually grow to form a biological film with biochemical activity, and pollutants in a suspended state in sewage can be further intercepted, adsorbed and decomposed. The biological filler can be remained in the plant pot as a substrate attached to the root system of the plant, and the problem of treatment of the biological filler waste is not considered.
The invention adopts the form of plant pot culture to plant the hygrophytes, and the hygrophytes and the river ecological system are independently developed, and the hygrophytes in the pot culture are directly transferred to the flower market for selling after the growth of the hygrophytes enters a certain stage, thereby avoiding the risk of river secondary pollution caused by plant withering, solving the problem of final destination of the plants, and needing no manual harvesting and cleaning work. In addition, the plant cultivation frame is arranged on the bank of the river channel or the slope bank, does not occupy the area of the water area, and can be applied to the situation that the river width is narrow.
In this context, a range of values from one value to another is a general expression avoiding any recitation of all values in the range in the specification. Thus, recitation of a range of values herein is intended to encompass any value within the range and any smaller range defined by any value within the range, as if the range and smaller range were explicitly recited in the specification.
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention. In practice, the invention will be understood to cover all modifications and variations of this invention provided they come within the scope of the appended claims.
Example 1
A river ecological management system comprises a plant ecological system and a water source conveying system, wherein the plant ecological system is arranged at a preset position of a river bank, and the water source conveying system conveys water of a river to the plant ecological system; the plant ecosystem comprises a plurality of movable plant potted plants, and biological fillers are filled in the plant potted plants.
Specifically, referring to fig. 1 and fig. 2, a specific embodiment of the river ecological management system is shown. In this embodiment, the river bank is an upright bank 20. The river channel ecological management system comprises a water pump 2, a water delivery hose 3, a water spraying pipe 4, a plant pot 5 and a supporting mechanism 1 for bearing the plant pot 5. The pot culture device sequentially comprises a first containing frame 11, a second containing frame 12, a third containing frame 13 and a fourth containing frame 14 from top to bottom, and the plant pot culture 5 is placed on the pot culture containing frame.
In this embodiment, the supporting mechanism 1 includes a frame-shaped structure body 15 and the potted plant accommodating frame that is the notch cuttype setting, the potted plant accommodating frame includes first accommodating frame 11, second accommodating frame 12, third accommodating frame 13, fourth accommodating frame 14, and first accommodating frame 11, second accommodating frame 12, third accommodating frame 13, fourth accommodating frame 14 are the notch cuttype setting each other on frame-shaped structure body 15, the supporting mechanism 1 still includes an auxiliary supporting leg 16, auxiliary supporting leg 16 will frame-shaped structure body 15 supports on upright type embankment 20. The pot containing frame of notch cuttype setting for the plant in the plant 5 cultivated in a pot has sufficient growth space, forms the plant view of notch cuttype simultaneously, more has the stereovision, and is more pleasing to the eye. The supporting mechanism 1 further comprises a water spraying pipe 4 fixedly arranged on the supporting mechanism 1 and located at a preset position of the first containing frame 11, specifically, as shown in the figure, the upper position.
In this embodiment, water source conveying system includes water pump 2, and raceway 21 is connected to the entry end of water pump 2, and the river surface is located to raceway 21's entry, and the exit end of water pump 2 is connected and is communicate through water delivery hose 3 and trickle 4, leads the river to plant 5 cultivated in a pot in through the water pump in, easy operation, convenience. The water spraying pipe 4 is a straight pipe with one open end and the other closed end, and the open end of the water spraying pipe 4 is connected with the water delivery hose 3. The water spraying pipe 4 comprises a valve 41 capable of adjusting flow and a tubular spraying nozzle 42, the valve 41 is arranged at a position close to the water delivery hose 3, and the tubular spraying nozzle 42 is arranged on the water spraying pipe 4 and is positioned at a preset position above the plant pot 5. The tubular spray nozzle 42 is arranged towards the plant pot 5, and introduces river water into the plant pot 5 through the water source conveying system, the water spraying pipe 4 and the tubular spray nozzle 42, and the flow of the irrigation water can be adjusted through the valve 41.
Further, referring to fig. 3(a), (b), the plant pot 5 comprises a pot-shaped device 51, the pot-shaped device 51 comprises a side wall, and an overflow gap 55 is arranged at a predetermined position of the side wall of the pot-shaped device 51, so that a certain liquid level height is maintained inside the pot-shaped device 51. An overflow pipe 53 is arranged on the inner side wall of the basin-shaped device 51, one end of the overflow pipe 53 is connected with the overflow port 55, the other end of the overflow pipe 53 extends to the bottom of the basin-shaped device 51, and short flow can be effectively avoided through the overflow pipe 53. The pot-shaped device 51 is filled with biological filler 52 as a culture medium of plants, and then hygrophytes with strong waterlogging tolerance are planted, so that the plant pot 5 is manufactured. The river water delivered into the plant pot 5 is filtered by the biological filler 52, and the treated river water flows to the bottom of the pot-shaped device 51. When the river is continuously conveyed in the basin-shaped device 51, the river treated by the biological filler 52 flows out of the basin-shaped device 51 from the overflow pipe 53 through the overflow port 55 and flows back into the river channel.
In this embodiment, one end of the overflow pipe 53 is bent at a certain angle and extends out of the overflow port 55 at the bent position, the end of the overflow pipe 53 extending out of the overflow port 55 is provided with a threaded connector or a nested connector, and the threaded connector or the nested connector can be connected with a hard pipe or a soft pipe with a certain length or a plug with a proper size. In this embodiment, the extended end of the overflow pipe 53 is connected to a section of hose 54, and the river water treated by the biological filler 52 flows out of the overflow pipe 53 and the hose 54.
In this embodiment, a plurality of plant pots 5 are placed on the first container rack 11, the second container rack 12, the third container rack 13, and the fourth container rack 14, and the hoses 54 of the plant pots 5 on the first container rack 11 are located at predetermined positions right above the plant pots 5 on the second container rack 12, so that the river in the plant pots 5 on the first container rack 11 flows into the plant pots 5 on the second container rack 12 through the hoses 54. Similarly, the plant pots 5 on the third and fourth racks 13 and 14 are arranged in the same manner as shown in fig. 1, 2 and 4. In such a placement manner, the plant pot 5 on the first containing rack 11 is irrigated by the river water from the tubular spray nozzle 42, the river water flows into the plant pot 5 on the second containing rack 12, the third containing rack 13 and the fourth containing rack 14 from the plant pot 5 on the first containing rack 11 in sequence, and flows out of the plant pot 5 on the fourth containing rack 14, so that the river water finally flows back to the river channel after multiple purification effects of the plurality of plant pot 5.
Preferably, the biological filler 52 is sponge filler and biological rope filler with large specific surface area and strong water holding capacity.
In this embodiment, the water spraying pipe 4 may be movably fixed on the supporting mechanism 1 by installing a hook at the upper end of the supporting mechanism 1, or may be integrally assembled with the supporting mechanism 1, and the installation manner and the installation height of the water spraying pipe are not used to limit the protection scope of the present invention.
The river ecological treatment system of the embodiment treats river water as follows:
the water pump 2 extracts the river water to the water spraying pipe 4, the river water irrigates the plant pot 5 on the first containing frame 11 through the tubular spraying nozzle 42, the river water flows into the plant pot 5 on the second containing frame 12, the third containing frame 13 and the fourth containing frame 14 from the plant pot 5 on the first containing frame 11 in sequence, and the river water flows out of the plant pot 5 on the fourth containing frame 14. The wetland plants planted in the plant pot 5 can be used for absorbing and degrading pollutants in river water, so that the river water quality can be purified. The mixed biological filler consisting of the sponge filler and the biological rope filler provides a large amount of fine pores, has good adsorption performance, and can intercept and adsorb suspended solids in river water. Meanwhile, as a carrier for the growth and propagation of microorganisms, when river water in the pot plant flows through the biological filler, the microorganisms in the water are adsorbed on the surface of the biological filler, and a layer of viscous-liquid biological film is gradually formed on the surface of the carrier by utilizing the organic substrate contained in the river water for growth and propagation. The biological membrane has biochemical activity and can further intercept, adsorb and decompose pollutants in suspended matters, colloids and dissolved states in the sewage. The plant potting 5 in this embodiment combines plant purification and biological treatment techniques, each potting corresponding to a single stage of micro biofilter.
Meanwhile, when the wet plants in the plant pot 5 grow to a preset degree, the plant pot 5 which finishes the growth can be replaced by a new plant pot 5, the replaced plant pot 5 continues to process river water in the river channel, secondary pollution of the river channel and complex manual harvesting and cleaning work caused by withering and death of the plants are avoided, and the plant pot 5 which finishes the growth can be sold in the market.
Example 2
The embodiment provides a river ecological management system, which is suitable for slope river banks, the principle of which is similar to that of embodiment 1, except that the specific structure of the supporting mechanism 1 is different.
In this embodiment, the supporting mechanism 1 is in the form of an iron net, as shown in fig. 4, the supporting mechanism 1 includes a net-shaped frame structure body 15, the frame structure body 15 is attached to the river bank 20, and the frame structure body 15 is fixed on the river bank through a rope 30 and an anchor rod 40, so that the net-shaped structure body 15 can be conveniently pulled up through the rope 30 to place and remove the plant pot 5.
Referring to fig. 5, the frame-shaped structure body 15 is provided with a plurality of iron rings 11 along the direction of the water surface, and the iron rings 11 are used for placing the plant pot 5. Each iron ring 11 is correspondingly provided with a plant pot 5, so that the plant pot 5 is stably fixed on the bank of the slope. Iron ring 11 is the notch cuttype setting along the direction on slope, and spray pipe 4 is located on the iron net, be located predetermined position department on the iron ring 11 of top.
In this embodiment, when the plant pot 5 grows to a predetermined degree, the net frame-shaped structural body 15 is pulled up by the rope 30 to remove the plant pot 5 and place a new plant pot.
In light of the above teachings, those skilled in the art will readily appreciate that the materials and their equivalents, the processes and their equivalents, as listed or exemplified herein, are capable of performing the invention in any of its several forms, and that the upper and lower limits of the parameters of the materials and processes, and the ranges of values between these limits are not specifically enumerated herein.
Claims (11)
1. The river ecological management system is characterized by comprising a plant ecological system and a water source conveying system, wherein the plant ecological system is arranged at a preset position of a river bank, and the water source conveying system conveys water of a river to the plant ecological system; the plant ecosystem comprises a plurality of groups of movable plant potted plants, and biological fillers are filled in the plant potted plants.
2. The ecological riverway treatment system according to claim 1, wherein the plant pot comprises a plant cultivation device, the plant cultivation device comprises a side wall, the side wall of the plant cultivation device is provided with an overflow port, the inner side wall of the plant cultivation device is provided with an overflow pipe, one end of the overflow pipe is connected with the overflow port, the other end of the overflow pipe extends to the bottom of the plant cultivation device, and river water treated by the plant pot flows out of the overflow pipe and finally flows into the riverway again.
3. The ecological riverway treatment system of claim 1, wherein the plant ecosystem further comprises a support mechanism for carrying the potted plant, and the potted plant is movably disposed on the support mechanism.
4. The ecological riverway treatment system according to claim 3, wherein the supporting mechanism is provided with a water spraying pipe connected with the water source conveying system, the water spraying pipe is provided with a valve for adjusting flow and a tubular spraying nozzle, and the water spraying pipe and the tubular spraying nozzle convey water sources to the plant pot plants.
5. The ecological riverway treatment system according to claim 4, wherein the supporting mechanism is provided with a plurality of pot housing shelves for housing the potted plants, the tubular shower nozzles are provided at predetermined positions above the pot housing shelves, and river water in the riverway flows out of the tubular shower nozzles and flows into the potted plants by gravity.
6. The ecological riverway treatment system according to claim 5, wherein the plurality of potted plant holding racks are arranged in a stepped manner in the height direction of the riverway bank, and the pipe-type spray nozzle is provided on the uppermost potted plant holding rack of the plurality of potted plant holding racks; the river water irrigates the uppermost plant pot plant from the uppermost tubular spray nozzle, and the river water in the uppermost plant pot plant flows out of the corresponding overflow pipe and flows to the lower plant pot plant under the action of gravity, and finally flows out of the overflow pipe of the lowermost plant pot plant to the river channel.
7. The ecological riverway treatment system according to claim 5, wherein the support mechanism comprises a frame-shaped structure body, the plurality of potted plant holding racks are arranged on the frame-shaped structure body in a step shape, and the ecological riverway treatment system further comprises an auxiliary support leg, and the auxiliary support leg supports the frame-shaped structure body on a bank of the upright riverway.
8. The ecological riverway treatment system according to claim 5, wherein the support mechanism comprises a frame-shaped structural body, and the plurality of pot culture accommodating frames are arranged on the frame-shaped structural body in a step shape; the frame-shaped structure body is attached to the slope-shaped embankment and is fixed on the slope-shaped embankment through a fixing piece.
9. The river ecological management system of claim 1, wherein the potted plant comprises a hydrophyte selected from one or more of calla, narcissus, rohdea kwangtungensis and eclipta alba.
10. The ecological riverway treatment system according to claim 1, wherein the biological filler comprises sponge filler and biological rope filler.
11. A method for treating river ecology, comprising the steps of using the river ecology treatment system according to any one of claims 1 to 10, transporting river water in a river to the plant ecosystem through the water source transport system, performing purification treatment of the river water by the plant ecosystem, and replacing wet plants of the plant ecosystem with new wet plants when the wet plants grow to a predetermined degree.
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