30 results about "Stream pool" patented technology

The purpose of the present invention is to obtain efficiency of dissipation or loss of the excess kinetic energy, at each required spillway of the even at relatively low approach of energy heads and relatively high discharges, which means at very low Froude numbers and by negligible decrease of the interior transversal cross-section of each required spillway by the designing of new hydraulic structures or even only on the basis of economically acceptable reparation each required of the already existing structures, the effective dissipation and/or loss of excess kinetic energy and thus prevent the bottom and banks of each required river channel downstream from the spillway against extensive erosion. The spillway consists of the consolidated stilling basin (2) positioned directly below/behind the spillway (1) and if/when required it is concluded with the end sill (3) and at the sides constrained with vertical or inclined side walls (4′, 4″). If required, in the area of such spillway there is an appropriate gate (6) or end sill (3) together with the side walls (4′, 4″), which represents a uniform, compact structure available to withdraw the hydraulic loadings and other phenomena, which occur between the impounding reservoir area of each stream flow arranged upstream/before the spillway and the tailwater river channel with the river banks below/behind the spillway area. According to the invention there, in the area at least one of the side walls (4′, 4″) of the spillway, at least one dissipation beam (5′, 5″) is foreseen, which extends at least essentially in the flow direction and protrudes from the side into the interior of the spillway.

Described are methods for monitoring marine water-body sustainability at a site of discharge of water into the water-body. Typically, the discharge of water occurs at a discharge of streams, rivers, water purification plants, water desalination plants, power plants, and discharge of oil refineries. The methods provide for daily, quarterly, as well as annual monitoring of water-body quality to ensure sustainability. The methods typically include establishing monitoring sites at a plurality of designated distances from the site of discharge, at a plurality of designated depths at the monitoring sites, and obtaining samples from the water-body at the monitoring sites. Interrogating the obtained samples for physical and chemical monitoring, biological monitoring, biochemical and organic monitoring, microbial monitoring, and phylogenetic analysis, as well as monitoring the sites for marine observational surveys, helps establish the marine water-body sustainability at a site of discharge.

The invention relates to the technical field of fish sampling, in particular to a fish sampling tool for a stream environment. The fish sampling tool comprises a box body, an adjusting mechanism is mounted at the top of the box body, a pay-off mechanism is mounted at the bottom of the adjusting mechanism, a sampling mechanism is mounted at the bottom of the pay-off mechanism, an energy supply mechanism is mounted on the box body, and a water tank is mounted at the bottom of the inner cavity of the box body; and the adjusting mechanism comprises a storage column, a servo motor, a first telescopic rod, a second telescopic rod and a fixing rod, and the storage column is connected to the top of the box body. The fish sampling tool can effectively adapt to the special stream environment for sampling, a user can conveniently sample different positions in a water area by arranging the adjusting mechanism and the pay-off mechanism, and fishes in the sampling water area can be effectively sampled by arranging the sampling mechanism. The fish sampling tool is reasonable in structural design and safe and convenient to use, saves time and labor when the sampling mechanism is folded and reduces the burden of the user.

The invention relates to a liquid way buffer type sheath fluid steady flow system. A direct-through air bag type pulse buffer comprises a cylindrical shell and a compressible telescopic air bag arranged in the shell; an output port of a peristaltic pump is communicated with an inlet of the compressible telescopic air bag by a front liquid flow conduit, and an outlet of the compressible telescopic air bag is communicated with a streaming pool by a rear liquid flow conduit; a closed space is formed between the outer wall of the compressible telescopic air bag and the inner wall of the cylindrical shell, and gas is filled into the space. The direct-through air bag type pulse buffer is arranged, so that the liquid flow pulsation is greatly reduced, and the sheath fluid can run more steadily; the length of a pipeline does not need to be prolonged, so that the liquid way buffer type sheath fluid steady flow system is small in design volume and space-saving for the low-flow peristaltic pump pulse buffering; the pressure buffer area can be adjusted by adjusting the pressure of the internal sealed gas when the buffer is manufactured, so that volume production can be realized.

The invention is a system (1) for cleaning rivers and waterways (F) in general, comprising floating modules (10), and wherein each module (10) comprises a floating body (11) and a rotating body (12) provided with projecting elements (14) configured in such a way as to be positioned on the water surface, so that, when said rotating body (12) rotates due to the thrusting action of the water current, said projecting elements (14) move said floating debris in a direction which is determined by its rotation direction, towards an accumulation or recovery area (2).

The invention relates to a landscape pool for restoring a water body polluted ecological environment and a using method thereof, and relates to the technical field of water body purification. The landscape pool comprises a first dam wall, a second dam wall and a third dam wall which are sequentially arranged in the water flow direction. The upper end surface of the second dam wall is higher than that of the third dam wall; a settlement area is formed between the first dam wall and the second dam wall, a planting area is formed between the second dam wall and the third dam wall, an aquatic plant module is arranged in the planting area, at least one filtering layer plate is detachably arranged on the side, close to the second dam wall, of the third dam wall, and the upper end faces of the filtering layer plates are higher than the upper end face of the third dam wall. In a ravine stream and a shallower and narrower riverway, by arranging the first dam wall, the second dam wall and the third dam wall in the riverway, the settlement area and the planting area can be built, the settlement function can be achieved in the settlement area, the macromolecule organic matter degradation function can be achieved in the planting area, and thus the construction work amount of the landscape pool is smaller and simpler while the filtering and purifying effect is guaranteed.

The invention discloses an unmanned aerial vehicle for automatically measuring stream hydrological information to indicate stream crossing, which comprises a shell. A transmission space is arranged onthe right side of the shell, an electromagnet space is arranged on the right side of the transmission space, a rack space is arranged on the left side of the shell, a recovery space is arranged on the middle side of the shell, an indicator light space is arranged on the left side of the shell, and an electromagnet sliding space is arranged at the lower side of the indicator light space. The device can detect the comprehensive information of the depth and the flow velocity of a stream segment of a stream to be crossed, can comprehensively detect the water depth and the water flow velocity to find a position most suitable for crossing the stream, and performs operation guidance through the indicator light device, a user is reminded of the actual situation, hydrological information can be conveniently detected, article loss and body injury caused by the fact that people needing to cross the river cross the river at unsuitable places are prevented, and the automation degree is high.

The invention relates to the technical field of biological inspection, and in particular, relates to a plankton collecting device suitable for mountain rivers and streams, wherein the plankton collecting device comprises two fixing frames and a fixing rod, hoops are arranged on the upper surfaces of the fixing frames, and a balancing weight is arranged at one end of the fixing rod. A plurality offirst fixing blocks and a plurality of second fixing blocks are fixedly connected to the outer surface of the other end of the fixing rod, a rotating shaft is rotatably connected between one first fixing block and one second fixing block, a limiting assembly is arranged at the end of the rotating shaft, and a connecting rope is fixedly connected to the outer surface of the rotating shaft; the bottom end of the connecting rope penetrates through a through groove and is fixedly connected with a plurality of collecting cylinders, so that multiple sets of collecting cylinders can be used for collecting at the same time, meanwhile, the fixing rod is transversely placed above a river, then different positions in the river can be collected, and the inspection accuracy is improved more scientifically and effectively.

The invention concerns a flood protection for protecting a back area against rising water level from a front area, the flood protection operating between a bottom and a water surface, including at least one barrier element with a longitudinal direction and a height direction, the longitudinal direction during operation extending substantially transversely of an area, e.g. a stream, a fjord, a river or an estuary, and the height direction during operation extending from the bottom of an area, e.g. a stream, a fjord, a river or an estuary, and up, where the at least one barrier element during operation interacts with a base arranged at the bottom of the actual area. The invention also concerns a method for operating such a flood protection. The new feature of the flood protection according to the invention is that it includes a movable and buoyancy balanced barrier element that includes an adjustable ballast system for regulating the buoyancy balance, the base of the flood protection including a bottom rail system, and the barrier elements including contact means arranged for contact with the bottom rail system.

The invention discloses a stream water quality evaluation method based on comprehensive indexes of large benthonic animals, and relates to the technical field of water quality detection, and the method comprises the following steps: S1, sampling benthonic animals; s2, sample identification; s3, measuring physical and chemical indexes; s4, dividing functional characters; s5, calculating a functional diversity index; s6, calculating a community diversity index; s7, correlation analysis and screening; and S8, performing evaluation grade division. According to the stream water quality evaluation method, stream water quality biological evaluation is carried out in a mode of combining the Shannon-Wiener index H'with the functional diversity index and the physicochemical index, the evaluation method considers response of community structure and function change to environmental influence at the same time, and the structure and the function of a stream ecosystem can be comprehensively represented; and the stream water quality condition is relatively accurately evaluated.

The invention discloses an indoor manual ravine stream device capable of simulating a ravine stream ecological system. A hollow-square water tank with an opening in the top is included, an entity partis arranged in the middle of the hollow-square water tank, a sunken position is arranged in the middle of the entity part, the sunken position is used for placing of a nutritive salt adding device, the same number of stones derived from a ravine stream to be researched are evenly placed in the hollow-square water tank, a telescopic steel structure support is mounted over the hollow-square water tank, a fluorescent lamp and an illumination regulation device are arranged on the steel structure support, a temperature and humidity monitoring instrument is further included, multiple concave inserting openings are formed in the inner walls of the two sides of the hollow-square water tank, a motor is connected with a motor rotating speed controller, a connecting shaft of the motor is fixedly provided with a wheel paddle, a water flow capable of circularly flowing is arranged in the hollow-square water tank, a water inlet and a water outlet are formed in the hollow-square water tank, and areconnected with a water pump and a hose correspondingly, a screen net is arranged at the connecting position of the hose and the water pump, a photometer is arranged on the indoor manual ravine streamdevice, and the invention further discloses a method using the device for carrying out an experiment.

The invention discloses a device for exchanging fish shoals on two sides of a stream retaining dam. The device comprises a shell, wherein a release space is arranged on the upper right side of the shell and communicates with the outside through a release pipeline. According to the retaining dam which is constructed by intercepting stream, one section of stream is intercepted, a certain height canbe formed at upstream and downstream parts of the dam, power can be generated through the height difference, but due to the facts that upstream and downstream parts are separated and fishes in the stream need to migrate by a certain distance in the growth process, fish shoal separation can be caused by damming, exchange is reduced, gene degradation is caused, and downstream fish shoals cannot migrate; and the device can automatically attract downstream fishes into the device in a certain period, the fishes are automatically conveyed to the upstream part for releasing through a conveying device, the downstream fishes are conveyed to the upstream part, upstream and downstream fish shoals can exchange with each other, the fishes can migrate to the upstream part, and therefore, damage of damming to stream fish resources is effectively reduced.

The invention belongs to the technical field of water ecology monitoring and investigation, and discloses an investigation device and investigation method suitable for aquatic organisms in water areas with directional water flow such as mountainous rivers and streams, the investigation device comprises at least one sampling unit structure, the sampling unit structure comprises a pipe body, a sampling net and a sampling collector, one end of the sampling net is fixed at the end of the pipe body, the other end of the sampling net is connected with the sampling collector, and the inner diameter of the sampling collector is smaller than that of the pipe body. The problem in the diversity survey of the aquatic organisms in the stream water body is well solved, the working efficiency of the survey is improved, and non-contact survey has small damage to the ecological environment and facilitates the protection of the ecological environment.

The invention is suitable for the technical field of biological collection, and provides a structural drawing of a collecting device suitable for stream plankton. The device comprises a collecting mechanism and a fixing mechanism, wherein the collecting mechanism is used for capturing the plankton; the fixing mechanism is fixed at the bottom of a stream and is used for fixing the collecting mechanism; the two sides of the collecting mechanism are rotationally connected with the fixing mechanism through rotating pieces; an automatic adjusting mechanism is arranged on the collecting mechanism; the automatic adjusting mechanism is used for adjusting the collecting mechanism to enable an opening of the collecting mechanism to keep a certain distance from the water surface, so that the effect of automatically collecting the plankton on the stream is achieved; a collecting cylinder does not need to be manually held by hands for collection, and the fixing is firm and reliable; and the inclination angle of the collecting mechanism can be automatically adjusted along with the change of the depth of the stream, so that the streams with different water depths can be conveniently collected, the collecting mechanism can also change along with the change of the water depth of the stream, and the collecting device has extremely high flexibility.