37 results about "River drainage" patented technology

The invention provides an intelligent monitoring system for area pollution discharge. The system includes an area pollution source intelligent environment on-line supervisory subsystem, an urban sewage conveying intelligent supervisory subsystem, a river drainage basin environmental pollution source intelligent supervisory subsystem and an information sharing layer, wherein the area pollution source intelligent environment on-line supervisory subsystem is used for monitoring a pollution discharge enterprise as a pollution source, the urban sewage conveying intelligent supervisory subsystem is used for monitoring a conveying pipeline, the river drainage basin environmental pollution source intelligent supervisory subsystem is used for monitoring an abnormal condition of a river cross section, and the three subsystems send monitoring data to the information sharing layer and utilize the monitoring data of the information sharing layer to determine the area, time and pollution source of an abnormal pollution discharge accident. Through the system provided by the invention, overall-process monitoring management from generation, conveying, purification to discharge of sewage can be realized, plenty of manpower and material resources are saved, operation is convenient and a result is accurate.

The invention relates to a healthy river ecosystem construction method based on a water ecological function partition, and the method comprises the steps: determining all levels of rivers in a target drainage basin and drainage basins corresponding to all levels of rivers through an ArcGIS hydrological module based on the DEM data of the target drainage basin, and taking the (i + 1) th level of river drainage basin as a partition basic unit of the ith level of water ecological function partition; acquiring natural geographical driving factor data and partition representation index data of the (i + 1) th-level river basin; performing clustering analysis on the natural geographical driving factor data and the partition representation index data of each (i + 1) th-level river basin in the target basin to obtain partitions on the ith-level water ecological function partition; obtaining drainage basin ecological health index data of each subarea on the ith-level water ecological function subarea, and evaluating the health condition of each subarea on the ith-level water ecological function subarea; ecological restoration measures of different levels are formulated based on the health condition of each subarea and the water ecological function subarea level corresponding to the subarea, and a healthy river ecological system is constructed.

The invention discloses environment-friendly glass fibres. The environment-friendly glass fibres are prepared from the sludge in the Qiantang river drainage basin, aluminium oxide, calcium oxide, magnesium oxide, titanium dioxide, tungsten trioxide, yttrium oxide, cerium dioxide and lithium oxide in percentage by weight. A preparation method of the environment-friendly glass fibres comprises the following steps: drying, crushing and screening the sludge in the Qiantang river drainage basin first; then, mixing the sludge in the Qiantang river drainage basin and other components, and then, melting and preparing the mixture into vitreous humour at the temperature of 1,400 to 1,500 DEG C; finally, cooling the vitreous humour to 1,250 to 1,350 DEG C and drawing. According to the environment-friendly glass fibres, the sludge which is deposited or filtered in a tap water purifying process of a water supply plant in the Qiantang river drainage basin is taken as a main raw material, so that the pollution to the environment caused by chemical raw materials is reduced; meanwhile, the environment-friendly glass fibres can also help the water supply plant to treat deposited substance or filtered substance; high performance of the glass fibres is ensured, and meanwhile, the cost is reduced to the greatest extent; in addition, the used raw materials do not contain the compounds of boron and fluorine; the environment is not influenced by embedding the raw materials after the raw materials are wasted; the environment-friendly glass fibres have good industrial application value.

The invention provides a drainage basin sensor coverage net optimizing method based on genetic algorithm multi-objective optimization. The genetic algorithm multi-objective optimization is used for converting the drainage basin sensor coverage net optimization problem into the 0 / 1 multi-objective planning problem, and the reasonable and optimal selection of a monitoring sensor coverage net is finally achieved through the genetic algorithm operations such as heredity, interaction and variation of chromosomes and the comparison of the adaptive values of the monitoring sensor coverage net. In addition, a plurality of evaluation indexes are adopted to carry out the weighting evaluation on the adaptive degree of the monitoring sensor coverage net, the evaluation indexes include the monitoring node drainage basin characteristic coefficient, the monitoring node sensor network transmission range coefficient, the monitoring node sensor using cost coefficient and the monitoring node environment interference coefficient, a decision maker can flexibly adjust the index weight according to the layout of the river drainage basin sensor coverage net, and accordingly, the adaptability of the algorithm is improved.

The invention discloses a two-way cross flow pump station using a one-way cross flow pump. The two-way cross flow pump station comprises a pump station main body; and a river channel is divided by thepump station main body into an inner river and an outer river. The two-way cross flow pump station is characterized by comprising an inner river first gate and an inner river water inlet gate near the inner river, and an outer river drainage gate and an outer river second gate near the outer river; the inner river first gate communicates with the outer river drainage gate through a first water channel; and the outer river second gate communicates with the inner river water inlet gate through a second water channel. The two-way cross flow pump station further comprises a separator for isolating the first water channel from the second water channel; the separator is provided with an exchange channel for communicating the first water channel with the second water channel; the one-way cross flow pump is arranged in the exchange channel; a water outlet end of the one-way cross flow pump is towards the first water channel; and a water inlet end of the one-way cross flow pump is towards thesecond water channel. The invention aims to solve the defects in the prior art, and provides the two-way cross flow pump station for direct reversing drainage by using the one-way cross flow pump without changing the direction of the one-way cross flow pump.

The invention discloses a drought evaluation system for a continental river ternary structure. The method comprises the following steps: 1) performing division evaluation of drought; 2) constructing mountainous area drought evaluation indexes; 3) constructing desert region drought evaluation indexes; 4) constructing oasis region drought evaluation indexes; 5) performing drought evolution rule analysis, namely performing drought evolution rule analysis on a mountainous area, a desert region and an oasis region of a continental river drought region according to analysis of the steps 2, 3 and 4. Compared with the prior art, the method provided by the invention has the advantages that a natural-artificial binary water circulation theory is taken as a principle line, a drought evaluation system suitable for a continental river drought region 'high mountain-desert-oasis' ternary structure is constructed from the aspect of a water resource system, the problem of difficultly evaluating the drought in the continental river drought region for a long time is solved, and characteristics of drought events are scientifically and comprehensively reflected. The drought evaluation system can be widely applied to drought evaluation on the continental river drought region, and is especially applicable to drought quantification evaluation on the Aksu river drainage basin.

The invention discloses diversion treatment and conveying equipment for a municipal sewage pipe network, which includes a river drainage pipe and a sewage pipe. An underground rainwater well is arranged on the top of the river drainage pipe, and one side of the underground rainwater well is sequentially connected from top to bottom. There are clean water pipes, sewage pipes and sediment pipes. One end of the clean water pipes, sewage pipes and sediment pipes is connected with a pipeline connection device, and one side of the pipeline connection device is sequentially connected from top to bottom. There are river confluence pipes, sewage confluence pipes and mud discharge pipes, the river confluence pipes are connected to river drainage pipes, the sewage confluence pipes are connected to sewage pipes, and a screw conveyor is arranged on the mud discharge pipes. One end of the mud discharge pipe extends to the ground, the river drainage pipe is provided with a first one-way valve, the sewage pipe is provided with a second one-way valve, and the clean water pipe is provided with a clean water pump. The present invention has It has the characteristics of strong practicability and saving water treatment volume.

The invention relates to a method for artificial domestication and cultivation of semilabeo notabilis. The method comprises the steps of 1, building a semilabeo notabilis cultivation pond; 2, collecting and selecting parent fish fry; 3, conducting food habit conversion; 4, conducting artificial domestication of fry; 5, observing gonad development; 6, conducting domestication management. By the adoption of the method, massive cultivation and population continuation of semilabeo notabilis are facilitated, native commercial fish aquaculture and new species are added, ecological balance of a water area is maintained, local native fish resources are protected, population quantity is increased, biodiversity and ecological balance are maintained, and conditions are provided for semilabeo notabilis cultivation and considerable economic benefits are obtained by means of the natural resources in the Dabang river drainage basin.

The application relates to a garden waterlogging drainage device, which includes a throttling assembly provided at the outlet of the river channel. The throttling assembly includes a throttling frame, a throttling plate, an elastic expansion part and a driving part, and the top of the throttling frame is hinged to the river channel. , the elastic expansion part is set between the throttle frame and the river, and is located on the side of the throttle frame close to the drain, the throttle plate is set on the throttle frame, and is slidably connected with the throttle frame, and the driving part is set on the throttle frame. between the frame and the throttle plate, and is used to drive the throttle plate to slide on the throttle frame. The application has the effect of improving the waterlogging prevention ability of the inner river channel of the garden and realizing the automatic regulation of the drainage volume of the river channel.

The invention relates to a water outlet management and control system. According to the drainage outlet management and control system, through cooperation of the water supply and drainage system, the collection system, the control system, the power supply system and the cloud platform system, drainage characteristic information such as the drainage liquid level, the water volume and the water quality can be automatically detected and collected, and the drainage outlet management and control system further has the function of storing images of the drainage outlet. According to the system provided by the invention, through automatic detection of equipment, the workload of manual discharge port management and control can be effectively reduced; effective data and image support are provided for source tracing and evidence obtaining of river channel drainage through water quality detection and automatic image recognition of drainage. The system provided by the invention effectively intercepts a video needing drainage alarm through the edge computing gateway and transmits the video to the cloud platform, so that a certificate can be effectively reserved and the consumption of network flow can be reduced, thereby realizing the purposes of unattended operation of drainage port management and control, small maintenance amount, small network flow and accurate detection; and a reliable and effective management and control method is provided for the management and control of the river drainage port.

The invention relates to an artificial wetland for sewage interception treatment at a river outfall, which comprises an interception and filtration grid frame and an interception revolving door, the interception and filtration grid frame and the interception revolving door are enclosed with the river bank to form an internal treatment space for sewage interception and the interception rotation The door is directly opposite to the drainage outlet on the river bank. The intercepting and filtering net frame is an inner and outer double-layer net frame structure and the periphery is covered by a filter net cover. The interior of the intercepting and filtering net frame is filled with filter packing, and aquatic plants are planted on the filtering packing, and the sewage is intercepted and treated internally. In the water body of the space, there are a number of biofilm fillers, a number of slow-release carbon source supplementary pipes and a number of oxygen-enriched phosphorous supplementary pipes. The invention can realize high-efficiency purification treatment of pollutants in drainage, effectively reduce the content of nitrogen and phosphorus organic pollutants, and at the same time ensure the flood discharge capacity of river outlets.

The invention discloses a liftable bottom shaft rotating plane gate and an application thereof, belonging to the technical field of water conservancy machinery. The liftable bottom shaft rotating plane gate includes pier, gate, lifting rotary machine and sleeve rod; the gate is divided into a vertical moving part and a rotating moving part, and the vertical moving part includes the side beam and the walking support of the gate. The rotating moving part is the door leaf of the gate; the door leaf of the gate can be rotated by a certain angle to the inland river or the outer river side through the rotating function of the lifting rotary machine; the gate can be lifted to the above the water surface; the side wheel arranged on the door leaf of the gate is a spherical roller, and the buried side rail is an arc-shaped track to adapt to the rotational movement of the door leaf. The invention also discloses the application of the above gate. The invention has ingenious conception, wide application range and various functions. The gate can perform vertical movement and two-way rotation movement, realizes the functions of two-way water retaining and water diversion, and is convenient for drainage of inland rivers and overhaul and maintenance of the gate.

The invention discloses a water and sand remote monitoring system and method based on double-link communication. The water and sand remote monitoring system comprises a far end monitoring subsystem used for collecting water regimen data, audio data and video data of a river drainage basin. The water regimen data are sent to a near end demonstration subsystem through a satellite communication link, and the water regiment data, the audio data and the video data are sent to the near end demonstration subsystem through a primary communication link. The near end demonstration subsystem detects the working state of the primary communication link according to the water regiment data received by the satellite communication link, the data collected by the satellite communication link or the primary communication link are selected to serve as calculation data according to a detection result, and demonstration is performed on a graphical interface of a computer.

The invention discloses a system and method for checking river drainage points based on changes in sewage fingerprints. The system includes at least one acquisition device and at least one monitoringdevice arranged behind a known drainage point; the acquisition device obtains a fluorescence map of a river node where the acquisition device is located and sends the fluorescence map to the monitoring device; the monitoring device obtains all characteristic vertices of the fluorescence map and constructs the feature geometry based on all the feature vertices; the monitoring device compares the feature geometry with the drainage geometry of a drainage point; after difference between the feature geometry and the drainage geometry is equal to or greater than a difference threshold, whether rivernodes or drainage points between the river node where the acquisition device is located and the drainage point have abnormality is determined by the monitoring device. The system is advantaged in that the system can obtain the fluorescence map of the known drainage point at a back river node, whether the river nodes or the drainage points between the river node where the acquisition device is located and the drainage point have abnormality is determined by the monitoring device according to the fluorescence map and a drainage map of the known drainage point.

The invention relates to the technical field of environment treatment, and particularly discloses a drainage basin treatment system and method based on water ecological environment function partition units. According to the drainage basin treatment system based on the water ecological environment function partition unit, the drainage basin treatment system comprises a protection slope, a restoration buffer wetland zone, a protection greening vegetation zone and a maintenance management and control zone from inside to outside in the width direction of a river channel drainage basin; a plurality of ditches are formed in the protection slope at intervals, grids are arranged in the ditches, and the ditches are communicated with water in the restoration buffer wetland zone; the protective greening vegetation belt comprises a high-rise green belt, a middle-rise green belt and a low-rise green belt; the restoration buffer wetland zone comprises a water body purification treatment area, a wetland ecological restoration area and a forest land ecological restoration area. The system has the effects of effectively treating and repairing the water ecological environment of the river drainage basin, improving and balancing water resources in the river drainage basin and enhancing the self-repairing speed of the water ecological environment in the river drainage basin.

The invention discloses a river drainage pipe dredging device. The river drainage pipe dredging device comprises a fixed outer ring, a limiting inner ring and a mounting plate, wherein an inner ring of the fixed outer ring is fixedly connected with an outer ring of the limiting inner ring through a connecting plate; the mounting plate is in sliding fit with the fixed outer ring and the limiting inner ring; the fixed outer ring is in sliding fit with a drainage pipe; a box body is fixedly mounted on the mounting plate; first threaded holes are formed in the inner side of the fixed outer ring and the outer side of the limiting inner ring; limiting screws are rotatably mounted on the mounting plate in a circumferential direction through threads; the limiting screws are in threaded rotation fit with the first threaded holes; and a dredging assembly is arranged in the box body. The mounting plate is mounted and fixed at a plurality of positions and the dredging assembly in the box body is matched, so that small-scale dredging and multi-position cleaning can be carried out at the same time; and rapid dredging and dredging are carried out under the condition that a drainage pipe structure is not damaged.