CN106006785B - Water diversion and dirt flushing type urban central landscape park water quality treatment system and method - Google Patents

Water diversion and dirt flushing type urban central landscape park water quality treatment system and method Download PDF

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Publication number
CN106006785B
CN106006785B CN201610506645.1A CN201610506645A CN106006785B CN 106006785 B CN106006785 B CN 106006785B CN 201610506645 A CN201610506645 A CN 201610506645A CN 106006785 B CN106006785 B CN 106006785B
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water
landscape park
level
riverway
diversion
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CN106006785A (en
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刘学应
陈宏刚
徐国梁
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Zhejiang University of Water Resources and Electric Power
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Zhejiang University of Water Resources and Electric Power
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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
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B1/00—Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/06—Stations or aggregates of water-storage type, e.g. comprising a turbine and a pump
    • 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
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/10—Energy recovery
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2220/00—Application
    • F05B2220/70—Application in combination with
    • F05B2220/706—Application in combination with an electrical generator
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Sewage (AREA)

Abstract

The invention discloses a water diversion and sewage flushing type urban central landscape park water quality treatment system and a method, the system comprises a high-level water storage and a landscape park riverway, a water diversion and sewage flushing system is arranged between the high-level water storage and the landscape park riverway, the water diversion and sewage flushing system comprises a water blocking dam and a water drainage device, the water drainage device comprises a water drainage channel, a water drainage pipeline and a water inlet pipeline, the water inlet pipeline is arranged on one side of the water drainage channel close to the high-level water storage, the water inlet pipeline is connected with the high-level water storage, the water drainage pipeline is arranged on one side of the water drainage channel close to the landscape park riverway, the water drainage pipeline is connected with the landscape park riverway, and a water pumping and energy storage. The method comprises the steps of construction preparation → construction of a water retaining dam → installation of a gate → construction of a high-level reservoir → debugging of a water diversion sewage flushing system → water diversion sewage flushing to improve water quality. The system is simple, easy to implement, scientific, convenient, environment-friendly, pollution-free, low in cost and high in efficiency, and well solves the problem of river pollution of the central landscape park.

Description

Water diversion and dirt flushing type urban central landscape park water quality treatment system and method
Technical Field
The invention relates to water quality treatment of urban central landscape parks, in particular to a water diversion and dirt flushing type water quality treatment system and method for the urban central landscape parks.
Background
With the rapid development of social economy and the increasingly abundant physical lives of people, more and more people begin to pay attention to the requirements of mental levels such as living environment, living quality, urban ecology and the like. The landscape park is one of the most convenient and fast ways for urban residents to contact natural ecology. The landscape park can also be used as an important place for daily leisure and entertainment of urban residents, and provides places for activities such as citizen gathering, social contact, body building and the like. The design and construction of urban landscape parks has become a major focus of municipal construction in recent years.
However, landscape parks often lack effective equipment resources or overall solutions in actual design and construction, so that the phenomena of blackening and smelling of water bodies and algae aggregation are generated, the original ecological and economic benefits of landscape water bodies are seriously influenced, and the experience and convenience of people in daily leisure and entertainment activities in the landscape parks are greatly influenced.
Disclosure of Invention
The invention aims to provide a water diversion and dirt flushing type urban central landscape park water quality treatment system and method, the system is simple and easy to implement, scientific and convenient, environment-friendly and pollution-free, low in cost and high in efficiency, and the problem of river pollution of the central landscape park is well solved. The high-level water storage and the water diversion sewage flushing system are built in the area with large upstream terrain drop of the landscape park river channel, on one hand, the high-level water storage and the water diversion sewage flushing system can be used for water pumping work of a centrifugal water pump of the high-level water storage and the water diversion sewage flushing system by converting potential energy of water into electric energy, on the other hand, sewage in the landscape park river channel is circularly treated through the water diversion sewage flushing system, so that the water is in a continuous flowing state, the hydrodynamic force is increased, the dead water is changed into live water, and the water quality. In addition, the landscape park river channel is flushed through the water diversion sewage flushing system, the self-cleaning capacity of the landscape park river channel is improved, the water pollution condition of the landscape park river channel is relieved, meanwhile, the system has good flood discharge and waterlogging drainage capacity, and the economic benefit is remarkable.
In order to solve the technical problems, the following technical scheme is adopted:
a water diversion and sewage flushing type urban central landscape park water quality treatment system comprises a high-level water storage and a landscape park riverway, wherein the high-level water storage is arranged at the upstream of the landscape park riverway, a water diversion and sewage flushing system is arranged between the high-level water storage and the landscape park riverway, the water diversion and sewage flushing system comprises a water blocking dam and a water drainage device, a gate is arranged on one side, close to the high-level water storage, of the water blocking dam, the water drainage device is installed on the water blocking dam and comprises a water drainage channel, a water drainage pipeline and a water inlet pipeline, the water drainage channel is arranged at the bottom of the water blocking dam, the water inlet pipeline is arranged on one side, close to the high-level water storage, of the water drainage channel is connected with the high-level water storage, the water drainage pipeline is arranged on one side, close to the landscape park riverway, the water drainage pipeline is connected with the park riverway, a water pumping, Water pumping component and electricity generation subassembly, motor engine's both ends are equipped with the drive shaft, and the drive shaft includes first drive shaft and second drive shaft, and motor engine is connected to the one end of first drive shaft, and water pumping component is connected to the other end of first drive shaft, and motor engine is connected to the one end of second drive shaft, and electricity generation subassembly is connected to the other end of second drive shaft, and the pipeline of intaking is connected to the one end of electricity generation subassembly, and the drain pipeline is connected to the other end of electricity generation subassembly. The high-level water storage and the water diversion sewage flushing system are built in the area with large upstream terrain drop of the landscape park river channel, on one hand, the high-level water storage and the water diversion sewage flushing system can be used for water pumping work of a centrifugal water pump of the high-level water storage and the water diversion sewage flushing system by converting potential energy of water into electric energy, on the other hand, sewage in the landscape park river channel is circularly treated through the water diversion sewage flushing system, so that the water is in a continuous flowing state, the hydrodynamic force is increased, the dead water is changed into live water, and the water quality. In addition, the landscape park river channel is flushed through the water diversion sewage flushing system, the self-cleaning capacity of the landscape park river channel is improved, the water pollution condition of the landscape park river channel is relieved, meanwhile, the system has good flood discharge and waterlogging drainage capacity, and the economic benefit is remarkable. The potential energy of water is converted into electric energy by the water pumping and energy storing device through the power generation assembly, the electric energy can be used for opening and closing the gate and controlling the water flow speed in the water drainage channel, so that the water flow speed discharged into the landscape park riverway is adjusted, the landscape park riverway is flushed on the basis of not influencing the safety of the landscape park riverway, the self-purification capacity of the landscape park riverway is improved, the water pollution condition of the landscape park riverway is relieved, and the water purification efficiency is improved. On the other hand, the water pump can also be used for the work of a water pumping assembly, so that water in a river channel of the landscape park flows into the high-level water storage warehouse for storage under the action of the centrifugal water pump and is used for next water diversion and sewage flushing and water turbine power generation. In addition, the redundant electric energy can be used for electricity utilization of urban residents, and the urban power supply pressure is relieved.
Further, the subassembly that draws water includes centrifugal pump, the transmission shaft that draws water and the clutch that draws water, and first drive shaft is connected to the one end of the clutch that draws water, and the transmission shaft that draws water is connected to the other end of the clutch that draws water, is equipped with centrifugal pump on the transmission shaft that draws water, is equipped with first mount pad on the transmission shaft that draws water.
Further, the tip of centrifugal water pump is equipped with the water pump inlet tube, and the water pump inlet tube is connected with and filters the water tank, filters the water tank and is located landscape park river course, and centrifugal water pump's middle part is equipped with the water pump outlet pipe, and water pump outlet pipe connection high-order water storage storehouse. The water tank is crossed and the sewage that filters the in-river course of landscape park flows to the water pump inlet tube after earlier carrying out filtration treatment, prevents that the impurity in the sewage from blockking up the pipeline.
Furthermore, the power generation assembly comprises a water turbine, a power generation transmission shaft and a power generation clutch, one end of the power generation clutch is connected with the second driving shaft, the other end of the power generation clutch is connected with the power generation transmission shaft, the water turbine is arranged on the power generation transmission shaft, and the second mounting seat is arranged on the power generation transmission shaft.
Further, the tip of the hydraulic turbine is equipped with the hydraulic turbine outlet pipe, and hydraulic turbine outlet pipe connection wash-out pipe says, and the middle part of the hydraulic turbine is equipped with the hydraulic turbine inlet tube, and the hydraulic turbine advances water piping connection inlet line.
Furthermore, a third mounting seat is arranged on the first driving shaft, and a fourth mounting seat is arranged on the second driving shaft. The first mounting seat, the second mounting seat, the third mounting seat and the fourth mounting seat are bearing seats and play a role in fixedly supporting the pumped storage device.
A water diversion and dirt flushing type urban central landscape park water quality treatment method comprises the following steps:
(1) construction preparation: firstly, selecting a place at the upstream of a landscape park riverway as an address for building a water retaining dam according to the pollution condition of the landscape park riverway, then compiling a construction organization design according to a design file, a design drawing, a construction contract and the field condition, preparing construction equipment, checking the operation condition of the equipment, detecting the construction equipment in time, performing trial assembly work on materials, concrete and cement paste entering a field, finally setting a settlement observation point and a safety clapboard, performing settlement observation on surrounding buildings and structures, and establishing a sound emergency rescue plan.
(2) Building a water retaining dam: firstly, cleaning sludge at the bottom of a river bed through a dredging grab bucket at the position of a water retaining base dam foundation of a selected site according to a construction drawing, and flattening and tamping the sludge through a vibrator; secondly, excavating a groove on the foundation of the water retaining foundation dam in the selected site according to a construction drawing, and excavating to the depth required by construction; thirdly, performing foundation treatment on the groove by adopting stone throwing construction, then filling and compacting by using soil and stones, and finally pouring by using concrete to form a water retaining base dam foundation structure; and fourthly, finishing the construction of the water retaining dam on the basis of the foundation structure of the water retaining dam, and installing the water drainage device and the water pumping energy storage device at the appointed positions.
(3) And (5) installing a gate.
(4) Building a high-level water storage reservoir: firstly, excavating a high-level water storage according to a construction drawing to obtain an excavation groove of the high-level water storage; secondly, a hole is drilled at the bottom of the excavated groove, then the upper ends of a water outlet pipe and a water inlet pipe of the water pump are connected into the excavated groove through the hole, the lower ends of the water outlet pipe and the water inlet pipe of the water pump are connected to the installation position of the water pumping energy storage device, and an aerator is laid at the bottom of the excavated groove; and thirdly, after the construction of the excavation groove is finished, paving a layer of geotextile around the excavation groove, establishing a concrete retaining wall on the geotextile, setting the upper part of the concrete retaining wall to be hollow during the construction of the concrete retaining wall, filling earthwork in the hollow part of the concrete retaining wall, and then broadcasting plant seeds on the surface of the earthwork and maintaining.
(5) Debugging a water diversion sewage flushing system: the first step is as follows: firstly, turning on an electric engine, and pumping water in a filter water tank into a high-level water storage reservoir through a water pumping assembly under the action of a centrifugal water pump, so that a certain water level difference is formed between the high-level water storage reservoir and a landscape park river channel; the second step is that: firstly, opening an aerator to carry out aeration treatment on water in a high-level water storage, then opening a gate, and enabling the water in the high-level water storage to enter a water turbine through a water drainage channel to convert potential energy of the water into electric energy for storing energy; and thirdly, water in the drainage channel returns to the river channel of the landscape park again through the drainage pipeline.
(6) Water diversion and dirt flushing are performed to improve water quality: and (5) repeating the process of the step (5), circularly treating the sewage in the landscape park riverway through the water diversion sewage flushing system, enabling the water which flows into the landscape park riverway to move the sewage in the landscape park riverway to form running water, flushing the sludge at the bottom of the landscape park riverway, improving the flow rate of the landscape park riverway water, driving the sewage to flow into the downstream and improving the water quality of the landscape park riverway.
Further, in the step (3), the specific process of installing the gate comprises the following steps: firstly, mounting a hoist on a dam with a water retaining base, hoisting a connecting shaft of the hoist to a specified mounting position to finish primary hoisting, and finishing mounting the hoist and the connecting shaft by using a jack and a chain block; and secondly, hoisting the gate at the installation position by using a truck crane, assembling and welding gate leaves, and finally hoisting the assembled gate into a gate slot of the gate.
Further, in the step (4), the process of excavating the high-level water storage comprises the following steps: excavating to a designed depth by adopting an excavator; after the excavation is finished, manually cleaning the excavation groove; and after the acceptance of the excavation groove is qualified, establishing a template at the bottom of the excavation groove, and then pouring concrete and maintaining.
Further, in the step (2), the width of the excavated groove is 4-5 m, and the depth is 0.5-1 m.
Due to the adoption of the technical scheme, the method has the following beneficial effects:
the invention relates to a diversion and dirt flushing type urban central landscape park water quality treatment system and method, which are simple and easy to realize, scientific and convenient, environment-friendly and pollution-free, low in cost and high in efficiency, and well solve the problem of river pollution of a central landscape park.
The high-level water storage and the water diversion sewage flushing system are built in the area with large upstream terrain drop of the landscape park river channel, on one hand, the high-level water storage and the water diversion sewage flushing system can be used for water pumping work of a centrifugal water pump of the high-level water storage and the water diversion sewage flushing system by converting potential energy of water into electric energy, on the other hand, sewage in the landscape park river channel is circularly treated through the water diversion sewage flushing system, so that the water is in a continuous flowing state, the hydrodynamic force is increased, the dead water is changed into live water, and the water quality. In addition, the landscape park river channel is flushed through the water diversion sewage flushing system, the self-cleaning capacity of the landscape park river channel is improved, the water pollution condition of the landscape park river channel is relieved, meanwhile, the system has good flood discharge and waterlogging drainage capacity, and the economic benefit is remarkable. The potential energy of water is converted into electric energy by the water pumping and energy storing device through the power generation assembly, the electric energy can be used for opening and closing the gate and controlling the water flow speed in the water drainage channel, so that the water flow speed discharged into the landscape park riverway is adjusted, the landscape park riverway is flushed on the basis of not influencing the safety of the landscape park riverway, the self-purification capacity of the landscape park riverway is improved, the water pollution condition of the landscape park riverway is relieved, and the water purification efficiency is improved. On the other hand, the water pump can also be used for the work of a water pumping assembly, so that water in a river channel of the landscape park flows into the high-level water storage warehouse for storage under the action of the centrifugal water pump and is used for next water diversion and sewage flushing and water turbine power generation. In addition, the redundant electric energy can be used for electricity utilization of urban residents, and the urban power supply pressure is relieved.
The water tank is crossed and the sewage that filters the in-river course of landscape park flows to the water pump inlet tube after earlier carrying out filtration treatment, prevents that the impurity in the sewage from blockking up the pipeline.
The first mounting seat, the second mounting seat, the third mounting seat and the fourth mounting seat are bearing seats and play a role in fixedly supporting the pumped storage device.
Drawings
The invention will be further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic structural view of a water diversion and dirt flushing type urban central landscape park water treatment system according to the present invention;
FIG. 2 is a schematic structural diagram of a pumped-hydro energy storage apparatus according to the present invention;
FIG. 3 is a schematic structural view of a water dam according to the present invention;
FIG. 4 is a schematic flow chart of the water treatment method of the urban central landscape park of the invention.
In the figure: 1-high level reservoir; 2-landscape park river course; 3-retaining the dam; 4-a gate; 5-a water drainage channel; 6-a water drainage pipeline; 7-a water inlet pipeline; 8-a pumped storage device; 9-an electric motor; 10-a first drive shaft; 11-a second drive shaft; 12-centrifugal water pump; 13-a water pumping transmission shaft; 14-a water pumping clutch; 15-water inlet pipe of water pump; 16-water outlet pipe of water pump; 17-a water turbine; 18-a power generating transmission shaft; 19-an electric power generating clutch; 20-water outlet pipe of the water turbine; 21-water turbine inlet pipe; 22-a first mount; 23-a second mount; 24-a third mount; 25-a fourth mount; 26-a filtering water tank; 27-a dam foundation structure of the water retaining foundation; 28-aerator.
Detailed Description
As shown in figures 1 to 4, a water diversion and sewage flushing type urban central landscape park water quality treatment system comprises a high-level water reservoir 1 and a landscape park river channel 2, wherein the high-level water reservoir 1 is arranged at the upstream of the landscape park river channel 2, a water diversion and sewage flushing system is arranged between the high-level water reservoir 1 and the landscape park river channel 2, the water diversion and sewage flushing system comprises a water blocking dam 3 and a water drainage device, a gate 4 is arranged at one side of the water blocking dam 3 close to the high-level water reservoir 1, the water drainage device is arranged on the water blocking dam 3, the water drainage device comprises a water drainage channel 5, a water drainage pipeline 6 and a water inlet pipeline 7, the water drainage channel 5 is arranged at the bottom of the water blocking dam 3, the water inlet pipeline 7 is arranged at one side of the water drainage channel 5 close to the high-level water reservoir 1, the water inlet pipeline 7 is connected with the high-level water reservoir 1, the water drainage pipeline 6 is arranged at one side of the water drainage channel 5, be equipped with water pumping energy storage device 8 in the sluicing passageway 5, water pumping energy storage device 8 includes motor 9, water pumping component and electricity generation subassembly, motor 9's both ends are equipped with the drive shaft, the drive shaft includes first drive shaft 10 and second drive shaft 11, motor 9 is connected to the one end of first drive shaft 10, water pumping component is connected to the other end of first drive shaft 10, motor 9 is connected to the one end of second drive shaft 11, electricity generation subassembly is connected to the other end of second drive shaft 11, water inlet pipeline 7 is connected to electricity generation subassembly's one end, water drain pipeline 6 is connected to electricity generation subassembly's the other end. The high-level water storage 1 and the water diversion sewage flushing system are built in the area with large upstream terrain drop of the landscape park river channel 2, on one hand, the potential energy of water is converted into electric energy to be used for the water pumping work of the centrifugal water pump 12, on the other hand, the sewage in the landscape park river channel 2 is circularly treated through the water diversion sewage flushing system, so that the water is in a constantly flowing state, the hydrodynamic force is increased, the dead water is changed into the running water, and the water quality is improved. In addition, the landscape park river channel 2 is flushed through the water diversion sewage flushing system, the self-cleaning capacity of the landscape park river channel 2 is improved, the water pollution condition of the landscape park river channel is relieved, meanwhile, the system has good flood discharge and waterlogging drainage capacity, and the economic benefit is remarkable. The water pumping energy storage device 8 converts the potential energy of water into electric energy through the power generation assembly, the electric energy can be used for opening and closing the gate 4 and controlling the water flow speed in the water drainage channel 5, so that the water flow speed discharged into the landscape park river channel 2 is adjusted, the landscape park river channel 2 is flushed on the basis of not influencing the safety of the landscape park river channel 2, the self-purification capacity of the landscape park river channel 2 is improved, the water pollution condition of the landscape park river channel is relieved, and the water purification efficiency is improved. On the other hand, the water pump can also be used for the work of a water pumping assembly, so that the water in the river channel 2 of the landscape park flows into the high-level water storage 1 to be stored under the action of the centrifugal water pump 12 and is used for next water diversion and sewage flushing and the power generation of the water turbine 17. In addition, the redundant electric energy can be used for electricity utilization of urban residents, and the urban power supply pressure is relieved.
The water pumping assembly comprises a centrifugal water pump 12, a water pumping transmission shaft 13 and a water pumping clutch 14, one end of the water pumping clutch 14 is connected with a first driving shaft 10, the other end of the water pumping clutch 14 is connected with the water pumping transmission shaft 13, the centrifugal water pump 12 is arranged on the water pumping transmission shaft 13, and a first mounting seat 22 is arranged on the water pumping transmission shaft 13. The tip of centrifugal water pump 12 is equipped with water pump inlet tube 15, and water pump inlet tube 15 is connected with and filters water tank 26, and it is located view park river course 2 to filter water tank 26, and the middle part of centrifugal water pump 12 is equipped with water pump outlet pipe 16, and water pump outlet pipe 16 connects high-order reservoir 1. The filtering water tank 26 can filter the sewage in the river channel 2 of the landscape park and then flow into the water inlet pipe 15 of the water pump, so that the pipeline is prevented from being blocked by impurities in the sewage.
The power generation assembly comprises a water turbine 17, a power generation transmission shaft 18 and a power generation clutch 19, one end of the power generation clutch 19 is connected with the second driving shaft 11, the other end of the power generation clutch 19 is connected with the power generation transmission shaft 18, the water turbine 17 is arranged on the power generation transmission shaft 18, and a second mounting seat 23 is arranged on the power generation transmission shaft 18. The tip of hydraulic turbine 17 is equipped with hydraulic turbine outlet pipe 20, and hydraulic turbine outlet pipe 20 connects outlet pipe 6, and the middle part of hydraulic turbine 17 is equipped with hydraulic turbine inlet tube 21, and hydraulic turbine inlet tube 21 connects into water pipe 7.
The first driving shaft 10 is provided with a third mounting seat 24, and the second driving shaft 11 is provided with a fourth mounting seat 25. The first mounting seat 22, the second mounting seat 23, the third mounting seat 24 and the fourth mounting seat 25 are bearing seats, and play a role in fixedly supporting the pumped storage device 8.
A water diversion and dirt flushing type urban central landscape park water quality treatment method comprises the following steps:
(1) construction preparation: firstly, selecting one place at the upstream of a landscape park riverway 2 as an address for building a water retaining base dam 3 according to the pollution condition of the landscape park riverway 2, then compiling a construction organization design according to a design file and a design drawing, a construction contract and the field condition, preparing construction equipment, checking the running condition of the equipment, detecting the construction equipment in time, performing trial assembly work on materials, concrete and cement paste entering the site, finally setting a settlement observation point and a safety clapboard, performing settlement observation on surrounding buildings and structures, and establishing a sound emergency rescue plan.
(2) Building the water retaining dam 3: firstly, cleaning sludge at the bottom of a river bed through a dredging grab bucket at the foundation position of a water retaining base dam 3 selected at a site according to a construction drawing, and flattening and tamping the sludge through a vibrator; secondly, excavating a groove on the foundation of the water retaining foundation dam 3 to the depth required by construction according to a construction drawing, wherein the width of the excavated groove is 4-5 m, and the depth of the excavated groove is 0.5-1 m; thirdly, foundation treatment is carried out on the grooves by adopting stone throwing construction, then earth and stones are used for filling and compacting, and finally concrete is used for pouring to form a water retaining base dam foundation structure 27; and fourthly, finishing the construction of the water retaining dam 3 on the basis of the water retaining dam base structure 27, and installing the water drainage device and the water pumping energy storage device 8 at the appointed positions.
(3) Installing a gate 4: the specific process of installing the gate 4 is as follows: firstly, installing a hoist on the water retaining dam 3, hoisting a connecting shaft of the hoist to a specified installation position to finish primary hoisting, and completely installing the hoist and the connecting shaft by using a jack and a chain block; and secondly, hoisting the gate 4 to the installation position by using a truck crane, assembling and welding the leaves of the gate 4, and finally hoisting the assembled gate 4 into the gate slot of the gate 4.
(4) Building a high-level water storage reservoir 1: firstly, excavating a high-level water storage 1 according to a construction drawing to obtain an excavation groove of the high-level water storage 1; secondly, a hole is drilled at the bottom of the excavated groove, then the water outlet pipe 16 of the water pump and the upper end of the water inlet pipe 7 are connected into the excavated groove through the hole, the lower ends of the water outlet pipe and the water inlet pipe 7 are connected to the installation position of the water pumping energy storage device 8, and an aerator 28 is laid at the bottom of the excavated groove; and thirdly, after the construction of the excavation groove is finished, paving a layer of geotextile around the excavation groove, establishing a concrete retaining wall on the geotextile, setting the upper part of the concrete retaining wall to be hollow during the construction of the concrete retaining wall, filling earthwork in the hollow part of the concrete retaining wall, and then broadcasting plant seeds on the surface of the earthwork and maintaining.
(5) Debugging a water diversion sewage flushing system: the first step is as follows: firstly, the electric engine 9 is started, and water in the filter water tank 26 is pumped into the high-level water storage 1 through the water pumping assembly under the action of the centrifugal water pump 12, so that a certain water level difference is formed between the high-level water storage 1 and the landscape park river channel 2; the second step is that: firstly, opening an aerator 28, carrying out aeration treatment on water in the high-level water storage 1, then opening a gate 4, and enabling the water in the high-level water storage 1 to enter a water turbine 17 through a water drainage channel 5 to convert potential energy of the water into electric energy for energy storage; and thirdly, water in the drainage channel 5 returns to the river channel 2 of the landscape park again through the drainage pipeline 6.
(6) Water diversion and dirt flushing are performed to improve water quality: and (5) repeating the process of the step (5), circularly treating the sewage in the landscape park river channel 2 through the water diversion sewage flushing system, enabling the water which flows into the landscape park river channel 2 again to move the sewage in the landscape park river channel 2 to form running water, flushing the sludge at the bottom of the landscape park river channel 2, improving the flow rate of the water in the landscape park river channel 2, driving the sewage to flow into the downstream and improving the water quality of the landscape park river channel 2.
In the step (4), the process of excavating the high-level water storage 1 comprises the following steps: excavating to a designed depth by adopting an excavator; after the excavation is finished, manually cleaning the excavation groove; and after the acceptance of the excavation groove is qualified, establishing a template at the bottom of the excavation groove, and then pouring concrete and maintaining.
In the step (2), the width of the excavated groove is 4-5 m, and the depth is 0.5-1 m.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made on the basis of the present invention to solve the same technical problems and achieve the same technical effects are all covered in the protection scope of the present invention.

Claims (6)

1. The water diversion and dirt flushing type city central landscape park water quality treatment method comprises a high-level water storage and a landscape park river channel, wherein the high-level water storage is arranged at the upstream of the landscape park river channel, and is characterized in that: a water diversion and sewage flushing system is arranged between the high-level water storage and the landscape park riverway, the water diversion and sewage flushing system comprises a water blocking dam and a water drainage device, one side of the water blocking dam, which is close to the high-level water storage, is provided with a gate, the water drainage device is arranged on the water blocking dam, the water drainage device comprises a water drainage channel, a water drainage pipeline and a water inlet pipeline, the water drainage channel is arranged at the bottom of the water blocking dam, one side of the water drainage channel, which is close to the high-level water storage, is provided with the water inlet pipeline, the water inlet pipeline is connected with the high-level water storage, one side of the water drainage channel, which is close to the landscape park riverway, is provided with the water drainage and energy storage device, the water drainage and energy storage device comprises an electric engine, a water pumping component and an electric generating component, two ends of the motor engine are provided with driving shafts, each driving shaft comprises a first driving shaft and a second driving shaft, one end of each first driving shaft is connected with the motor engine, the other end of each first driving shaft is connected with the water pumping assembly, one end of each second driving shaft is connected with the motor engine, and the other end of each second driving shaft is connected with the power generation assembly; the water pumping assembly comprises a centrifugal water pump, a water pumping transmission shaft and a water pumping clutch, one end of the water pumping clutch is connected with the first driving shaft, the other end of the water pumping clutch is connected with the water pumping transmission shaft, the centrifugal water pump is arranged on the water pumping transmission shaft, and a first mounting seat is arranged on the water pumping transmission shaft; the power generation assembly comprises a water turbine, a power generation transmission shaft and a power generation clutch, one end of the power generation clutch is connected with the second driving shaft, the other end of the power generation clutch is connected with the power generation transmission shaft, the water turbine is arranged on the power generation transmission shaft, and a second mounting seat is arranged on the power generation transmission shaft, and the power generation assembly comprises the following steps: (1) construction preparation: firstly, selecting one place at the upstream of a landscape park riverway as an address for building a water retaining dam according to the pollution condition of the landscape park riverway, compiling a construction organization design according to a design file, a design drawing, a construction contract and field conditions, preparing construction equipment, checking the operation condition of the equipment, detecting the construction equipment in time, performing trial assembly work on incoming materials, concrete and cement paste, finally setting settlement observation points and safety clapboards, performing settlement observation on surrounding buildings and structures, and establishing a sound emergency rescue plan; and (2) building a water retaining dam: firstly, cleaning up sludge at the bottom of a river bed through a dredging grab bucket according to a construction drawing at the position of a water retaining base dam foundation of a selected site, and flattening and tamping the sludge through a vibrator; secondly, excavating a groove on the foundation of the water retaining foundation dam in the selected site according to a construction drawing to the depth required by construction; thirdly, performing foundation treatment on the groove by adopting stone throwing construction, then filling and compacting by using soil and stones, and finally pouring by using concrete to form a water retaining base dam foundation structure; fourthly, completing the construction of the water retaining dam on the basis of the foundation structure of the water retaining dam, and installing the water drainage device and the water pumping energy storage device at the appointed position; (3) installing a gate: the specific process of installing the gate comprises the following steps: firstly, mounting a hoist on a dam with a water retaining base, hoisting a connecting shaft of the hoist to a specified mounting position to finish primary hoisting, and finishing mounting the hoist and the connecting shaft by using a jack and a chain block; secondly, hoisting the gate to a mounting position by using a truck crane, assembling and welding gate leaves, and finally hoisting the assembled gate into a gate slot of the gate; (4) building a high-level water storage reservoir: firstly, excavating a high-level water storage according to a construction drawing to obtain an excavation groove of the high-level water storage; secondly, drilling a hole at the bottom of the excavated groove, then connecting the upper ends of a water outlet pipe and a water inlet pipe of the water pump into the excavated groove through the hole, connecting the lower ends of the water outlet pipe and the water inlet pipe of the water pump to the installation position of the water pumping energy storage device, and paving an aerator at the bottom of the excavated groove; thirdly, after the construction of the excavation groove is finished, firstly laying a layer of geotextile around the excavation groove, establishing a concrete retaining wall on the geotextile, setting the upper part of the concrete retaining wall to be hollow during the construction of the concrete retaining wall, firstly filling earthwork in the hollow part of the concrete retaining wall, then broadcasting plant seeds on the surface of the earthwork and maintaining; (5) debugging a water diversion sewage flushing system: the first step is as follows: firstly, turning on an electric engine, and pumping water in a filter water tank into a high-level water storage reservoir through a water pumping assembly under the action of a centrifugal water pump, so that a certain water level difference is formed between the high-level water storage reservoir and a landscape park river channel; the second step is that: firstly, opening an aerator to carry out aeration treatment on water in a high-level water storage, then opening a gate, and enabling the water in the high-level water storage to enter a water turbine through a water drainage channel to convert potential energy of the water into electric energy for storing energy; the third step: the water in the water drainage channel returns to the river channel of the landscape park again through the water drainage pipeline; (6) water diversion and dirt flushing are performed to improve water quality: and (5) repeating the process of the step (5), circularly treating the sewage in the landscape park riverway through the water diversion sewage flushing system, enabling the water which flows into the landscape park riverway to move the sewage in the landscape park riverway to form running water, flushing the sludge at the bottom of the landscape park riverway, improving the flow rate of the landscape park riverway water, driving the sewage to flow into the downstream and improving the water quality of the landscape park riverway.
2. The water diversion and dirt flushing type urban central landscape park water quality treatment method according to claim 1, is characterized in that: the tip of centrifugal water pump is equipped with the water pump inlet tube, the water pump inlet tube is connected with and filters the water tank, it is located to filter the water tank the view park river course, centrifugal water pump's middle part is equipped with the water pump outlet pipe, the water pump goes out water piping connection high-order water storage storehouse.
3. The water diversion and dirt flushing type urban central landscape park water quality treatment method according to claim 1, is characterized in that: the tip of hydraulic turbine is equipped with the hydraulic turbine outlet pipe, hydraulic turbine outlet pipe connection the outlet conduit, the middle part of hydraulic turbine is equipped with the hydraulic turbine inlet tube, the hydraulic turbine advances water piping connection the pipeline of intaking.
4. The water diversion and dirt flushing type urban central landscape park water quality treatment method according to claim 1, is characterized in that: and a third mounting seat is arranged on the first driving shaft, and a fourth mounting seat is arranged on the second driving shaft.
5. The water diversion and dirt flushing type urban central landscape park water quality treatment method according to claim 1, is characterized in that: in the step (4), the process of excavating the high-level reservoir comprises the following steps: excavating to a designed depth by adopting an excavator; after the excavation is finished, manually cleaning the excavation groove; and after the acceptance of the excavation groove is qualified, establishing a template at the bottom of the excavation groove, and then pouring concrete and maintaining.
6. The water diversion and dirt flushing type urban central landscape park water quality treatment method according to claim 1, is characterized in that: in the step (2), the width of the dug groove is 4-5 m, and the depth of the dug groove is 0.5-1 m.
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CN201896357U (en) * 2010-08-03 2011-07-13 高山清 Automatic sewage purification and drainage device
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CN201896357U (en) * 2010-08-03 2011-07-13 高山清 Automatic sewage purification and drainage device
CN104762937A (en) * 2015-02-16 2015-07-08 浙江水利水电学院 Pumped-storage hydroelectric plant applied to ecological reservoir and sewage treatment method

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