CN209941601U - Ecological restoration system of moisturizing type river course - Google Patents
Ecological restoration system of moisturizing type river course Download PDFInfo
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- CN209941601U CN209941601U CN201920144481.1U CN201920144481U CN209941601U CN 209941601 U CN209941601 U CN 209941601U CN 201920144481 U CN201920144481 U CN 201920144481U CN 209941601 U CN209941601 U CN 209941601U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model provides an ecological remediation system in moisturizing type river course, aims at overcoming the ecological system that the moisturizing type river course among the prior art can not establish the variety, leads to biological invasion, quality of water to worsen the scheduling problem, can not form the shortcoming of virtuous circle, provides an ecological remediation system in moisturizing type river course, constructs ecological riverbed based on current moisturizing type river course, and ecological remediation system includes: moisturizing type river course and set up upstream moisturizing mouth, entry deep pool, piece stone crowd, shoal deep pool crowd, overflow dam, stake crowd, fish nest and the biological channel in the river course, entry deep pool set up in upstream moisturizing mouth low reaches department, piece stone crowd sets up in entry deep pool low reaches, shoal deep pool crowd, overflow dam, stake crowd, fish nest and biological channel set up along the river course distribution, plant trees on the river course bank protection, plant pasture and water in the shoal. The utility model discloses resume biological diversity, improved water environment, be fit for using in moisturizing type river course.
Description
Technical Field
The utility model relates to a water quality control field especially relates to an ecological remediation system in moisturizing type river course.
Background
Along with the water pollution of urban river channels and the construction of hydraulic engineering facilities, the natural geomorphic characteristics of the urban river are obviously changed, and the ecological system of the natural river channel is destroyed and the ecological environment bearing capacity of the river is reduced due to the channelization of the river, the hardness of the river bank and the loss of the landscape of the river channel. Although the water replenishing type river channel finishes sewage interception and improves water quality, a diversified ecological system cannot be established due to the fact that a habitat suitable for living of organisms does not exist, problems of organism invasion, water quality deterioration and the like can be caused for a long time, and virtuous circle cannot be formed.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes the ecosystem of variety can not be established in moisturizing type river course among the prior art, leads to biological invasion, quality of water to worsen the scheduling problem, can not form the shortcoming of virtuous circle, provides an ecological remediation system in moisturizing type river course.
The utility model discloses the technical scheme who realizes that the purpose adopts is: the utility model provides an ecological remediation system in moisturizing type river course constructs ecological riverbed based on current moisturizing type river course, and ecological remediation system includes: moisturizing type river course and set up upstream moisturizing mouth, entry deep pool, piece stone crowd, shoal deep pool crowd, overflow dam, stake crowd, fish nest and the biological channel in the river course, entry deep pool set up in upstream moisturizing mouth low reaches department, piece stone crowd sets up in entry deep pool low reaches, shoal deep pool crowd, overflow dam, stake crowd, fish nest and biological channel set up along the river course distribution, plant trees on the river course bank protection, plant pasture and water in the shoal.
Furthermore, broken stones with the thickness of 30cm are paved at the bottom of the riverbed of the water replenishing type riverway, the grain diameter of the broken stones is 5-10cm, and large blocks of stones are scattered.
Furthermore, the upstream water replenishing port is communicated with water of the reservoir through a water suction pump, the length of the water replenishing type river channel is 2000m, the width of the water replenishing type river channel is 10m, and the depth of the water replenished river channel is 10 cm.
Further, the inlet deep pool is 500m away from the upstream water replenishing port, the length of the inlet deep pool is 20m, the width of the inlet deep pool is 10m, and the depth of the inlet deep pool is 2 m.
Further, the arrangement area of the stone block groups is 150m2。
Further, the setting rule of shoal pool group does: the water surface ratio of the shoal to the deep pool is 6: 4; the shoal is 30cm high, a gravel shoal, a coarse sand shoal, a plant shoal and a fine sand shoal are respectively arranged along a river channel, a water accumulation depression and a pool swamp land are arranged in the shoal land, and emergent aquatic plants and submerged plants are planted; the diameter of the deep pool is 2-3m, and the depth of the deep pool is 1.5 m; when the cross section of the riverbed is less than or equal to 10m, the shoal is arranged according to 10-15% of the area of the riverbed; when the river bed section is greater than 10m, the shoals are arranged according to 15% -25% of the river bed area.
Further, the setting rule of the overflow dam is as follows: when the river slope is less than or equal to 0.3%, arranging one overflow dam at intervals of 400-; the overflow dam is 10cm-15cm higher than the riverbed and is in a straight shape, a fish scale shape or an S shape.
Further, the setting rule of the wood pile group is as follows: a wood pile group is arranged in each 100 meters of the river channel, the length of each wood pile group is 5-8m, the radius of each wood pile is 10cm, and the left bank and the right bank are arranged in a staggered mode.
Further, the setting rule of the fish nest is as follows: a fish nest system is arranged in each 100 meters of the river, the length of the fish nest system is 5-8m, and left and right banks are arranged in a staggered mode at the water and land staggered zone.
Further, the setting rule of the biological channel is as follows: round wood crossing the river channel is arranged under the river channel river-crossing overpass or at the position where the river channel has small pedestrian flow, and the biological channel is arranged at one position every 500m of the river channel.
The utility model has the advantages that: the utility model discloses utilize ecological engineering principle, technique, through the regulation of river course water pollution control, water yield and water flow state, the ecological transformation of the morphological structure of river course river bed and bank slope resumes river course biodiversity, rebuilds river course ecosystem's structure and function, makes it reach good natural ecological balance. The river has self-cleaning and repairing capability, the riparian plants have the capability of absorbing pollutants such as organic matters, heavy metals and the like, and the shoal, the deep pool and the land and water staggered zone of the river can increase the content of dissolved oxygen in water and accelerate the decomposition of microorganisms on the organic pollutants. The river bed section and the vegetation landscape can increase a river landscape space system, the river is more hydrophilic, the sustainable development of society and nature is realized, and finally, the water and the harmony of people are achieved.
The utility model discloses can guarantee that the ecosystem in river course is healthy, guarantee the water quality in moisturizing view river course, make the river course water form the water ecosystem who has self-purification ability, improve the water environment and the living environment that the river course toy perched, resume biodiversity, improve water environment, and can resist the characteristics that southern flood water yield is undulant big.
The present invention will be further described with reference to the accompanying drawings and the detailed description.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Figure 2 is the utility model discloses a structural schematic of moisturizing type river course.
Fig. 3 is a partially enlarged view a of fig. 1.
Fig. 4 is a sectional view B-B of fig. 3.
Fig. 5 is a cross-sectional view taken along line C-C of fig. 3.
Fig. 6 is a schematic structural view of the gravel shoal of the present invention.
Fig. 7 is a schematic structural view of the coarse sand shoal of the present invention.
Fig. 8 is a schematic structural view of the plant shoal of the present invention.
Fig. 9 is a schematic structural view of the fine sand shoal of the present invention.
Fig. 10 is a schematic structural diagram of a deep pool of the present invention.
Fig. 11 is a schematic structural diagram of an overflow dam of the present invention.
Fig. 12 is a schematic structural diagram of an overflow dam of the present invention.
Fig. 13 is a schematic structural diagram of a wood pile group according to the present invention.
Fig. 14 is a schematic structural diagram of a wood pile group according to the present invention.
Fig. 15 is a schematic structural diagram of a fish nest of the present invention.
Fig. 16 is a schematic structural diagram of a fish nest of the present invention.
Fig. 17 is a third schematic structural diagram of the fish nest of the present invention.
Fig. 18 is a first schematic structural view of the bio-channel of the present invention.
Fig. 19 is a schematic structural diagram of a biological channel of the present invention.
In the attached drawing, 1 is a water replenishing type river channel, 2 is an upstream water replenishing port, 3 is an inlet deep pool, 4 is a rock block group, 5-1 is a gravel shoal, 5-2 is a coarse sand shoal, 5-3 is a plant shoal, 5-4 is a fine sand shoal, 5-5 is a deep pool, 6 is an overflow dam, 7 is a wood pile group, 8 is a fish nest and 9 is a biological channel.
Detailed Description
As shown in the attached drawings, the ecological restoration system of moisturizing type river course of this embodiment constructs ecological riverbed based on current moisturizing type river course, and ecological restoration system includes: a water replenishing type river channel 1, an upstream water replenishing port 2, an inlet deep pool 3, a rock block group 4, a shoal deep pool group, an overflow dam 6, a wood pile group 7, a fish nest 8 and a biological channel 9 which are arranged in the river channel. Inlet deep pool 3 is arranged at the downstream of the upstream water replenishing port 2, stone block group 4 is arranged at the downstream of the inlet deep pool 3, and shoal deep pool group 5, overflow dam 6, wood pile group 7, fish nest 8 and biological channel 9 are distributed and arranged along the river course. Planting trees on the river course revetment and planting water plants in the shoals.
In the embodiment, sediment and river garbage deposited in the river are preferably removed, an excavator is used for removing the sediment, and an artificial dredging method is adopted within a range of 50cm of the toe part, so that the dredging thickness is about 30 cm. Broken stones with the thickness of 30cm are paved at the bottom of the riverbed of the water replenishing type riverway 1, the grain diameter of the broken stones is 5-10cm, and large blocks of stones are scattered to enrich the riverbed landscape. The technology constructs the uneven riverbed, so that the passing water flows, the reoxygenation capability of the riverbed is improved, a habitat is provided for the benthonic animals, the flat riverbed is formed, and the cross section flow of the riverway is uniform. Planting flowering fruit trees on the river protection slope, wherein the planting density of the trees is 100m per tree2Planting 3 trees to provide food sources for birds and fishes, such as willow, camphor tree, tabebuia avellanedae, syzygium jambos, Chinese pulsatilla, etc.
Preferably, the water in the reservoir is pumped to the upstream water replenishing port 2 of the river channel by a water pump to be replenished into the whole river channel. The upstream water replenishing port 2 is communicated with water of a reservoir through a water suction pump, the length of the water replenishing type river channel 1 is 2000m, the width of the water replenishing type river channel is 10m, the depth of water in the river channel after water replenishing is 10cm, and the ecological water demand of the river channel is met.
The preferred inlet deep pool 3 of this embodiment is 500m away from the upstream water replenishing port, and the length of the inlet deep pool 3 is 20m, the width is 10m, and the depth is 2 m. Because of the moisturizing volume is little, and the moisturizing mouth position is single, this deepen mouthful deep pool 3 not only can deposit the water at the moisturizing mouth, makes low reaches moisturizing evenly distributed, can also deposit the silt that the flood period of upper reaches brought, concentrates a sediment basin of clearance to use. The arrangement area of the stone block group 4 immediately behind the inlet deep pool 3 is 150m2The complexity of riverway structure and the variety of water conservancy condition are restoreed to form the water that the torrent was held for entry deep pool 3 and increase dissolved oxygen, guaranteed the water quality in river course. The gaps among the stones are good biological shielding places, and have great influence on the abundance and composition of organisms and the distribution of aquatic organism groups.
The setting rule of the preferred shoal pool group of this embodiment is: the water surface ratio of the shoal to the deep pool is 6: 4; the shoal height is 30cm, and different types of shoals such as a gravel shoal 5-1, a coarse sand shoal 5-2, a plant shoal 5-3 and a fine sand shoal 5-4 are respectively arranged along a river channel, so that different living environments are provided for different organisms. According to the habitat characteristics of fishes, a winding and winding zigzag beach is built on the beach, a water accumulation depression and a pool and a marsh are arranged in the beach to form a still water area for the survival of the fishes, emergent aquatic plants and submerged plants are planted in the deep water area of the beach to provide food and spawning sites for carnivorous migratory birds and various aquatic organisms, the growth of the aquatic plants is promoted, the aquatic plants are food for phytophagous birds, and a food chain favorable for the growth of rare birds is formed. According to the survival characteristics of insects and amphibians, the edge of the beach is constructed into a gentle slope type, riprap with different sizes is arranged, small-area sand gravel is laid at a proper place for the animals to lay eggs, wild herbs are planted, the diversity of natural vegetation is restored, and fruit sources are provided for the animals. The diameter of the deep pool 5-5 is 2-3m, the depth of the deep pool is 1.5m, the upper boundary of the periphery of the circle is provided with large stones to avoid silt deposition, and part of the deep pool 5-5 is prevented from collapsing by using the stone mortar for protecting the bottom and the wall. When the cross section of the riverbed is less than or equal to 10m, the shoal is arranged according to 10% -15% of the area of the riverbed, and the deep pool can be arranged according to 3% -5% of the area of the riverbed; when the river bed section is greater than 10m, the shoals are arranged according to 15% -25% of the river bed area. The technology digs deep riverbed in sections to form a certain water level, thereby providing a habitat for fishes. When the water supplement amount is small, a certain biomass can be still maintained, a stable habitat is formed, and the stability of an ecological system when the flow rate is large in rainy season is provided.
The preferred setting rule of the overflow dam 6 in this embodiment is as follows: when the river slope is less than or equal to 0.3%, arranging one overflow dam at intervals of 400-; the overflow dam is 10cm-15cm higher than the riverbed, maintains a certain water level, but does not influence flood discharge. The overflow dam is in a straight shape, a fish scale shape or an S shape, and the like, and maintains a certain water level of the river.
The setting rule of the preferable wood pile group 7 in this embodiment is as follows: a wood pile group is arranged in each 100 meters of the river channel, the length of each wood pile group is 5-8m, the radius of each wood pile is 10cm, and the left and right banks are arranged in a staggered mode to provide a rest ground for birds.
The preferred setting rule of the fish nest 8 in this embodiment is as follows: a fish nest 8 system is arranged in each 100 meters of the river, the length of the fish nest 8 system is 5-8m, and the left bank and the right bank of the river are arranged in a staggered mode at the water-land staggered zone to provide a place for fish spawning.
The preferred arrangement rule of the biological channel 9 in this embodiment is as follows: the round wood crossing the river channel is arranged under the river channel river-crossing overpass or at the position where the human flow of the river channel is small, the biological channel is arranged at a position every 500m of the river channel, so that small animals can conveniently cross the river, and the throwing stones are alternately arranged on the original vertical water and land, so that the animals can conveniently drink water and lay eggs when entering the river.
The utility model discloses set up shoal deep pool crowd 5, stake crowd 7, planted trees, planted pasture and water, set up fish pond 8, set up manifold ecological remediation techniques such as stone crowd 4 in moisturizing type river course 1, for birds, fish, snake, tortoise, insect, benthonic animal, plankton etc. multiple provide the habitat, and form complete food chain relation. For example, the trees for slope protection bloom and bear fruits, so that food sources are provided for insects and birds, fruits fall into a water body, and fishes inhabiting in a deep pool can eat the fruits falling into the water; birds staying in the wooden piles at the slope protection feet can observe small fishes in the water to find food; animals such as frogs, turtles and snakes live on the shallow fine sand and coarse sand, and the hygrophytes planted on the animals provide a shielding environment for the animals; the river channel is provided with a fish nest 8 which is specially used as a fish spawning place.
The utility model discloses a do with the advantage of traditional river course ecological remediation technology:
1. according to the self-regulation capacity of the river ecosystem, the method is reasonably utilized, and artificial reconstruction is appropriately carried out, so that the natural and healthy development of a river system is ensured, and the harmonious relation between the river and human is constructed;
2. different functional requirements are met in different periods of the river and different river sections, the water replenishing characteristic and the characteristic of large water fluctuation in flood and dry season are comprehensively considered, the main function is considered preferentially, and all functions are coordinated with each other;
3. the biodiversity is the basis for maintaining the balance and health of a river ecosystem, and the biodiversity of the river system is increased, so that the substances and energy of the river system are in virtuous circle;
4. after the ecological restoration of rivers, the method can bring nice enjoyment to people, increase landscape heterogeneity according to the landscape ecological principle, retain the natural attributes of the original river channels, and use plants and other natural materials to form hydrophilic river landscape, thereby highlighting local characteristics and culture of cities.
The utility model can improve the water quality and hydrological conditions and recover the habitat; the space structure (river landform) of a river ecological system and the continuity and openness of the river can be recovered, and the longitudinal sinuosity and the diversity of transverse sections of the river can be recovered; can recover biological population, improve habitat and improve biological diversity.
Claims (10)
1. The utility model provides an ecological remediation system in moisturizing type river course constructs ecological riverbed based on current moisturizing type river course, its characterized in that, ecological remediation system includes: mend water type river course (1) and set up upper reaches moisturizing mouth (2), entry deep pool (3), piece stone crowd (4), shoal deep pool crowd, overflow dam (6), stake crowd (7), fish nest (8) and biological channel (9) in the river course, entry deep pool (3) set up in upstream moisturizing mouth (2) low reaches department, piece stone crowd (4) set up in entry deep pool (3) low reaches, shoal deep pool crowd, overflow dam (6), stake crowd (7), fish nest (8) and biological channel (9) are along the river course distribution setting, plant trees on the river course bank protection, plant pasture and water in the shoal.
2. The ecological restoration system of the water replenishing type river channel according to claim 1, wherein broken stones with the thickness of 30cm are laid at the bottom of the riverbed of the water replenishing type river channel (1), the grain size of the broken stones is 5-10cm, and large blocks of stones are placed sporadically.
3. The ecological restoration system of the water replenishing type river channel according to claim 1, wherein the upstream water replenishing port (2) is communicated with water of a reservoir through a water suction pump, the length of the water replenishing type river channel (1) is 2000m, the width of the water replenishing type river channel is 10m, and the water depth of the water replenishing type river channel is 10 cm.
4. The ecological restoration system of a water-replenishing type river channel according to claim 1, wherein the inlet puddle (3) is 500m away from the upstream water replenishing port (2), and the inlet puddle (3) has a length of 20m, a width of 10m and a depth of 2 m.
5. The ecological restoration system for the water replenishing type river channel according to claim 1, wherein the arrangement area of the stone blocks (4) is 150m2。
6. The ecological restoration system of water supplementing type river channel according to claim 1, wherein the setting rule of shoal pool group is as follows: the water surface ratio of the shoal to the deep pool (5-5) is 6: 4; the shoal is 30cm high, a gravel shoal (5-1), a coarse sand shoal (5-2), a plant shoal (5-3) and a fine sand shoal (5-4) are respectively arranged along a river course, a water accumulation depression and a pool marsh are arranged in the shoal, and emergent and submerged plants are planted; the diameter of the deep pool (5-5) is 2-3m, and the depth of the deep pool (5-5) is 1.5 m; when the cross section of the riverbed is less than or equal to 10m, the shoal is arranged according to 10-15% of the area of the riverbed; when the river bed section is greater than 10m, the shoals are arranged according to 15% -25% of the river bed area.
7. The ecological restoration system for the water replenishing type river channel according to claim 1, wherein the arrangement rule of the overflow dam (6) is as follows: when the river slope is less than or equal to 0.3%, arranging one overflow dam (6) at intervals of 400-; the overflow dam (6) is 10cm-15cm higher than the riverbed, and the overflow dam (6) is in a straight shape, a fish scale shape or an S shape.
8. The ecological restoration system of the water replenishing type river channel according to claim 1, wherein the wood pile group (7) is arranged according to the following rule: a wood pile group (7) is arranged in each 100 meters of the river channel, the length of each wood pile group is 5-8m, the radius of each wood pile is 10cm, and the left bank and the right bank are arranged in a staggered mode.
9. The ecological restoration system for the water replenishing type river channel according to claim 1, wherein the fish nest (8) is arranged according to the following rule: a fish nest (8) system is arranged in each 100 meters of the river, the length of the fish nest (8) system is 5-8m, and the left bank and the right bank are arranged in a staggered mode at the water-land staggered zone.
10. The ecological restoration system of the water replenishing type river channel according to claim 1, wherein the arrangement rule of the biological channel (9) is as follows: round wood crossing the river channel is arranged under the river channel river-crossing overpass or at the position where the river channel has small pedestrian flow, and the biological channels (9) are arranged at positions every 500m of the river channel.
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| CN201920144481.1U CN209941601U (en) | 2019-01-28 | 2019-01-28 | Ecological restoration system of moisturizing type river course |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109868784A (en) * | 2019-01-28 | 2019-06-11 | 深圳市碧园环保技术有限公司 | A kind of Ecosystem restoration system in moisturizing type river |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109868784A (en) * | 2019-01-28 | 2019-06-11 | 深圳市碧园环保技术有限公司 | A kind of Ecosystem restoration system in moisturizing type river |
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