4004 results about "Water depth" patented technology

The invention relates to a water surface garbage cleaning ship. In the invention, a ship body is of an dual-body design, and the water surface garbage cleaning ship is composed of a detection and navigation system, a collection system, a garbage treatment system, a garbage unloading system and a propulsion system; and the water surface garbage cleaning ship can have three working modes, namely a free navigation mode, a landing operation mode and a non-landing operation mode. The water surface garbage cleaning ship can realize autonomous navigation and work, unmanned operation, full automation, good cleaning effect, strong flexibility, smoothness in working, safety and reliability by using the detection and navigation system to detect a region with garbage on the water surface. A scraper bucket chain network type collection and transmission device designed in the water surface garbage cleaning ship can realize the combination of continuous and intermittent work of recovery, thereby being energy-saving and high-efficient. Simultaneously, the device can change the amplitude up and down by hydraulic drive and fish floating objects in different water depths faster and more effectively.A satellite ship is designed for collaborative collection, thereby having better flexibility and high efficiency. The shoreside water surface floating objects and semi-floating objects are recovered and taken onto the ship by using a hydraulic rotary water spray gun to spray water.

The invention discloses an artificial fish reef which comprises an artificial fish reef body, and is characterzied in that the artificial fish reef body is in an inversed Y shape; the inversed Y-shaped artificial fish reef body is composed of an upper part unit, a left lower part unit and a right lower part unit which are cast by reinforced concrete into a whole, wherein the upper part unit is ina vertical downward arrow shape which is formed by an upper left oblique post, an upper middle post and an upper right oblique post; the left lower part unit is in an upward and inclined right oblique arrow shape, and is formed by a left lower left oblique post, a left lower middle post and a left lower right oblique post; and the right lower part unit is in an upward and inclined left oblique arrow shape, and is formed by a right lower left oblique post, a right lower middle post and a right lower right oblique post. According to the invention, the artificial fish reefs are combined and stacked to construct a place for spawning and perching of fishes, and in case that a plurality of artificial fish reefs are combined, the stability and dynamic property of the artificial fish reef can be greatly improved. The artificial fish reef provided by the invention can be used for proliferation of shallow-water-type rocky fishes, shellfishes and algae in a shallow water area of a water depth 6-10 meters.

The invention discloses a strong-inhibition water-base drilling fluid which comprises the following components in parts by mass: 100 parts of water, 0.2-4 parts of polyamine inhibitor, 0.1-1 part of coating inhibitor, 10-25 parts of hydrate inhibitor, 0.1-1 part of tackifier, 0.5-5 parts of fluid loss agent and 0.5-3 parts of liquid lubricant. The polyamine inhibitor is an amino polymer polymerized from polyether diamine and epoxy alkane; and the mol ratio of the polyether diamine to the epoxy alkane is 1-10:1-20. The drilling fluid disclosed by the invention can effectively inhibit wellbore instability of deepwater shallow strata, and has equivalent inhibition capability to an oil-base drilling fluid. The drilling fluid disclosed by the invention can solve the problem of generation of hydrate in deepwater drilling, and is applicable to 3000m-deep drilling operation. The drilling fluid disclosed by the invention has favorable low temperature-high temperature stability, and is applicable to a deepwater large-temperature-difference environment (2-150 DEG C).

A simple, effective and inexpensive water-quality measurement system comprises a housing suitable for travel on or in a body of water; one or more sensors for measuring water properties as the housing travels; a memory for storing information relating to the measured water properties; and software for processing measured properties. This invention combines into a single, inexpensive, and comprehensive system the sensors, computer hardware, signal-processing, Geographic Information System data, and Decision Support Software. This integration yields a system of novel and unparalleled utility. The water properties measured by the system may include: water temperature, water conductivity, pH level, dissolved oxygen, turbidity, water depth, salinity, total dissolved solids (TDS), ORP, chlorides, nitrates, and phosphates. A geographic information system (GIS) based on a global positioning satellite (GPS) technology is operative to determine geographic location and other factors, and an internal or external processor is operative to generate a map coordinating one or more of the listed characteristics to one or more of the water properties. A barometric pressure sensor may also be provided. In the preferred embodiment, the housing is a floating buoy.

The invention relates to a vertical distribution comprehensive on-line monitoring buoy and a monitoring system and belongs to the technical field of environment pollution monitoring. The buoy includes a buoy body, an electronic device sealing cabin, a Beidou satellite navigation positioning module, a storage battery pack, a data collector and a 4G router, and a sensor which is arranged on periphery of the buoy body, and a power supply apparatus arranged on the upper part of the buoy body. The invention provides the self-moving monitoring buoy which can perform an environment monitoring operation task continuously for long time in a preset waste area range, wherein the buoy can measure water environment parameters and environmental meteorological parameters in different depth. The Beidou satellite navigation positioning module and 4G communication network are switched to achieve positioning and communication of the buoy. The buoy and the system achieve real-time monitoring, real-time analysis and alarm prediction of monitoring regional environment parameters.

The invention discloses a penetration probe-based deep sea multi-element comprehensive observation system, which comprises an upper computer and a data recovery cabin, wherein the upper end and the lower end of the data recovery cabin are connected with a probe rod through a hydraulic separation releaser and a launching device respectively; a small-sized pile driver is arranged in the launching device; the launching device is provided with an underwater search light, an underwater camera and an underwater acoustic communication transceiver; the top of the data recovery cabin is provided with a floating body; a central controller is included in the data recovery cabin; the outer side face of the data recovery cabin is provided with an underwater acoustic transducer; and the outer surface of the probe rod is provided with more than 10 annular electrodes and more than 2 pore water pressure sensors which are connected with the central controller. The system has a simple structure, is reliable in work and accurate in control, can carry various sensors and adapt to a deep sea high pressure environment, and can synchronously and automatically observe and record states and changes of sea water and sediments within a 10m depth range close to a sea water-sediment interface with over 2,000m water depth, including the state of sediments of 6-7m below a sea bottom surface, the condition ofsea water of a bottom layer of 3-4m above the sea bottom surface and the dynamic change in position of the sea bottom surface.

The invention discloses an urban storm flood monitoring and traffic controlling and guiding system and method. The urban storm flood monitoring and traffic controlling and guiding system comprises a water depth data collecting and rectifying unit, a unit for analyzing and predicting water depth and on-off control of a drainage pump station and an early warning issuing and traffic controlling and guiding processing unit. The water depth data collecting and rectifying unit is used for performing comparison and check analysis by collecting water depth data of different types at water accumulating spots and obtaining water depths at the water accumulating spots. The unit for analyzing and predicting water depth and on-off control of the drainage pump station is used for performing trend analysis and rolling correction on the water depths of the water accumulating spots by combining zone rainfall data of surrounding rainfall stations on the basis of the water depths obtained by the water depth data collecting and rectifying unit and achieving automatic on-off of a drainage pump unit according to an accumulating water depth predicting curve. The early warning issuing and traffic controlling and guiding unit is used for processing obtained traffic controlling and guiding information and sending the information to a controller and early warning and instructing pedestrians and vehicle drivers in various manners according to safety pass standards of water-accumulating roads. The urban storm flood monitoring and traffic controlling and guiding system and method have the advantages of being reliable in data, stable in communication, comprehensive in function, professional in handling and the like.

A hydraulic pressure compensation system for valve actuator assemblies is described having particular application for subsea wellhead installations. The compensation system includes at least one valve actuator assembly having a housing that retains a reciprocable piston therewithin. The piston is spring biased into its fail safe configuration. The valve actuator assembly is hydraulically associated with an accumulator reservoir that defines a closed fluid reservoir and an open fluid reservoir that is exposed to ambient pressures. The two chambers are separated by a membrane. The valve actuator assembly is also operationally associated with a fluid pressure intensifier that boosts the ambient pressure of the accumulator so that an increased fluid pressure may be transmitted to the actuator assembly to bias the actuated valve toward its fail safe configuration. In a described embodiment, the fluid pressure intensifier comprises a housing that defines a chamber having a fluid inlet and fluid outlet. A dual-headed piston is moveably retained within the housing. The piston has an enlarged piston face and a reduced size piston face. Fluid pressure entering the fluid inlet is exerted upon the enlarged piston face, and due to the difference of piston face sizes, an increased pressure is transmitted out of the fluid outlet.

A tube and shell heat exchanger having a transversely oriented inlet port and a spirally coiled heat transfer tube contained within an arcuate chamber created by an internal baffle in which the water to be conditioned travels along a helical pathway in which the flow has minimized water depth and high turbulence. The tube and shell heat exchanger maximizes heat transfer capability in a relatively easy to assemble design to make feasible the use of a higher cost material for the tubing such as titanium in a wide range of applications.

The invention relates to a submerged line tracking method for flood evolution simulation in a complicated river channel landform area. The submerged line tracking method comprises four process of generating a digital river channel multi-resolution grid segmentation model; modeling and computing a simulation forecast model for a drainage area flood evolution state, wherein the process is operated in parallel with the process of generating the digital river channel multi-resolution grid segmentation model; accurately searching the submerging boundary of the complicated river channel landform; and dynamically identifying a drainage area flood evolution submerged area. The submerged line tracking method performs accurate searching on the submerging boundary of the complicated river channel landform through establishing the digital river channel multi-resolution grid segmentation model and the simulation forecast model, thereby realizing dynamic identification on the drainage area flood evolution submerged area, accurately simulating complicated river channels at various landforms, and quickly simulating a flood submerged area. Quick, accurate and visual forecast on time, water depths and flow and even flow velocity in flood evolution to different river segments are realized. A scientific basis is laid for disaster prevention and mitigation operation before flooding.

A circular ring wave pool having an island in the center, the pool water depth becomes deeper the farther away from the island to the outside pool wall. A plurality of wave generators encompass the entire outer wall deep side of the pool. All wave generators point directly to the center of the island. Wave generators are synchronized in their action to produce waves that travel around the circular ring shaped pool in an endless loop therefore creating a traveling surfing wave that never ends. Many waves can be generated simultaneously creating a plurality of endless waves moving around the island. The sloping beach is at an angle to create a hollow tube breaking wave depending on wave speed and size. Hundreds of surfers can be in the pool at the same time all sitting out past the wave breakpoint waiting for an available wave to pass.

Disclosed are compliant variable tension risers (106) to connect deep-water subsea wellheads (102) to a single floating platform (104) in wet tree or dry try systems. The variable tension risers (106) allow several subsea wellheads (102), in water depths from 1220 to 3050 meters, at lateral offsets from one-tenth to twice the depth or more, to tie back to a single floating platform (104). Also disclosed are methods to counter buoyancy and install variable tension risers using a weighted chain ballast line (228, 230).

The invention discloses a method for removing water eutrophication, which comprises the following steps of: investigating a community structure of aquatic organisms in water body, and finding a missing link or broken link in a food chain according to an investigation result; stocking predacious fishes in the water body, removing small trash fishes and herbivorous fishes from the water body by adopting a medicament mode or a manual fishing mode, and regulating the community structure of the fishes in the water body; planting submerged plants, floating plants and emergent aquatic plants in the water with the depth of 0 to 1.5m; and stocking filter-feeding fishes, filter-feeding shellfishes, detritus feeding benthonic animals and herbivorous fishes in the water body. The method for removing water eutrophication can realize the removal of the water eutrophication and ecological restoration for large-scale water body of which the parameters cannot be manually controlled, effectively inhibit the outburst of algal bloom and keep the stable quality of the water body.

An amusement ride system and method are described. In some embodiments, an amusement ride system may be generally related to water amusement attractions and rides. Further, the disclosure generally relates to water-powered rides and to a system and method in which participants may be more involved in a water attraction. An amusement ride system may include system for conveying a participant from a first source of water to a second source of water. The system may include one or more fluid jets. The fluid jets may function to produce a fluid stream having a predetermined velocity which is selectively greater, less than, or the same as a velocity of a participant at each of the fluid jet locations and are oriented tangentially with respect to the surface of the source of water so as to contact a participant and / or participant vehicle. An amusement ride system may include a system for controlling a participant flow rate through a multi path water amusement ride system. The system may include at least one gate mechanism which functions, upon activation, to inhibit a participant from entering one or more path choices. An amusement ride system may include a system for facilitating entry of a participant on a floatation device. The system may include one or more portions of water including a depth of water which allows a participant to more easily enter a floatation device.

Coatings for protecting and insulating fluid and / or gas transport conduits, such as off-shore oil and gas pipelines operating at temperatures of up to 100° C. in water depths above 1,000 metres. The outer surface of the conduit is provided with at least one layer of thermal insulation comprising polystyrene or styrene-based thermoplastic, having low thermal conductivity, high thermal softening point, high compressive strength and high compressive creep resistance.

Provided is a detector for fishing in order to detect the depth of water, the temperature of water, the distribution of fishes including fishes' migration and / or the length of fishes. The detector includes: a sensor transmitting an ultrasonic signal into the water in a fishing site and receiving a reflective ultrasonic signal reflected from an underwater object; a control unit analyzing / determining the waveform of the reflective ultrasonic signal measured in the sensor to then be indicated on an indication unit including a light-emission indicator, a numeric indicator, and a water depth / temperature indicator; a switching unit having an elevating rod whose lower end contacts an activation switch to turn on / off electric power supplied from a power source and in the upper end of which a fishing line engagement hole is formed in which a fishing line is connected with the fishing line engagement hole and the elevating rod is exposed to the outside to then be elastically pressed to be opened and closed according to the pressure of the elevating rod; and a main body on the upper surface of which a light-emission indicator, a numeric indicator, and a water depth / temperature indicator are formed, and in which the sensor, the control unit, and the switching unit are embedded in a sealed manner with a predetermined structure. The detector further includes a transmitter transmitting a signal representing the analyzed / determined result in the form of a predetermined waveform wirelessly. The wireless signal transmitted from the transmitter in the fishing detector is received and displayed using a predetermined program via a predetermined receiver having a display such as a personal portable communications terminal like a mobile telephone.

An amusement ride system and method are described. In some embodiments, an amusement ride system may be generally related to water amusement attractions and rides. Further, the disclosure generally relates to water-powered rides and to a system and method in which participants may be more involved in a water attraction. An amusement ride system may include system for conveying a participant from a first source of water to a second source of water. The system may include one or more fluid jets. The fluid jets may function to produce a fluid stream having a predetermined velocity which is selectively greater, less than, or the same as a velocity of a participant at each of the fluid jet locations and are oriented tangentially with respect to the surface of the source of water so as to contact a participant and / or participant vehicle. An amusement ride system may include a system for controlling a participant flow rate through a multi path water amusement ride system. The system may include at least one gate mechanism which functions, upon activation, to inhibit a participant from entering one or more path choices. An amusement ride system may include a system for facilitating entry of a participant on a floatation device. The system may include one or more portions of water including a depth of water which allows a participant to more easily enter a floatation device.

The invention discloses an organic rice cultivation method, which comprises the following four steps of: 1) rice seedling raising, 2) fertilizer application; 3) reasonable close planting and 4) field management. The organic rice cultivation method is characterized in that the step of fertilizer application comprises the following two sub-steps of: 1) preparing and applying composted farmyard manure: evenly spraying microbial manure into farmyard manure, covering the farmyard manure with a plastic film, processing for 21 days to obtain the composted farmyard manure and then applying the composted farmyard manure in a paddy field; and 2) applying microbial manure: applying the microbial manure in the paddy field with water depth being less than 3cm and transplanting rice seedlings 15 days later after the microbial manure is applied. The organic rice cultivation method has the advantages that the heavy-metal ions and the chemical residues thereof in soil can be eliminated; the caking and the desertification of the soil can be gradually eliminated, the content of organic matters is improved, the pH (potential of hydrogen) is regulated, the granular structure is optimized and the breeding of harmful pathogenic bacteria is inhibited; the nutrients are sufficient; and a large quantity of nitrogen elements in air and various intrinsic elements in the soil are fully utilized, and low-carbon, environmental-friendly, sustainable, circular and high-efficiency agricultural economy is formed.

The real-time measuring device and measuring method for the draft of a navigable ship according to the present invention are composed of a detection door, an automatic lifting control device for the detection door and a data acquisition and processing device; the detection door is a mounting frame, and the detection door is composed of The automatic lifting control device controls it to reach a predetermined depth position below the water surface, and is placed below the water surface that the navigable ship will pass through. An array of ultrasonic ranging sensors is installed on it, and the front of the ultrasonic ranging sensor is upward; The distance sensor array measures the vertical distance from the bottom surface of the entire ship to the detection door mounting frame, and all the measurement data constitute a data set C; then according to the installation depth H of the ultrasonic ranging sensor array on the detection door mounting frame, the water depth at the bottom of the ship will be obtained The data set D, where D=H-C; then find the maximum value in the data set D, which is the draft Dmax of the navigable ship, that is, Dmax=MAX(D).

The invention provides a novel floating type multi-floater wind-wave energy hybrid power generation device which comprises a wind driven generator, a floating foundation platform, a wave energy capture device and connecting structures between floating bodies, wherein the wind driven generator comprises blades, a hub, a cabin and a tower; the floating type foundation platform is a semi-submersible type and is located on the sea surface by an overhung anchor chain line; the wave energy capture device comprises floaters and an energy capture (PTO) system, and the axial relative movement between the wave energy floaters and stand columns of the foundation platform under the action of wave energy is utilized to drive the PTO system to generate electric energy; and each connecting mechanism comprises a guide rail and a U-shaped wheel, and can enable the platform and the wave energy floaters to produce axial relative movement only. The novel floating type multi-floater wind-wave energy hybrid power generation device can realize the purpose of joint power generation of offshore wind energy and wave energy by utilizing mechanical energy possessed by offshore air and wave, and is good in stability, wide in applicable water depth scope, high in power generation efficiency, simple in structure form and reliable in power generation mode.

The invention discloses an underwater wireless acousto-optic communication device and method. The underwater wireless acousto-optic communication device comprises a water depth and posture measurement module, an acoustic communication module, a main control panel, a theodolite, a pulse blue-green laser, a laser emission telescope, a receiving telescope, a photoelectric detection and signal conditioning module and a high-speed data acquisition module. The underwater wireless acousto-optic communication device comprehensively utilizes the characteristics of an acoustic signal which is low in rate, but large in sidelobe and long in transmission distance and the characteristics of an optic signal which is high in communication rate, good in directivity and longer in transmission distance, realizes underwater high-speed information transmission in a longer distance, and has the characteristics of small size, light weight, high integration level, good reliability and high performance-cost ratio.

Disclosed are compliant variable tension risers (106) to connect deep-water subsea wellheads (102) to a single floating platform (104) in wet tree or dry try systems. The variable tension risers (106) allow several subsea wellheads (102), in water depths from 1220 to 3050 meters, at lateral offsets from one-tenth to twice the depth or more, to tie back to a single floating platform (104). Also disclosed are methods to counter buoyancy and install variable tension risers using a weighted chain ballast line (228, 230).

The invention discloses a method for determining in situ injection repair diffusion radiuses of contaminated soil and underground water. According to the method, points are distributed according to a triangle method, pitch-row is designed to be perpendicular to the flowing direction of the underground water, array pitch is in the flowing direction of the underground water, and the flow expansion of a repair reagent in the underground water within the reaction effective time is taken into account. The method comprises three steps: firstly, observation method: the repair reagent and a definite proportion of bromide ion serving as tracers are simultaneously injected into an aqueous stratum in the condition of high pressure whirl spraying injection. The diffusion of the reagent is judged by observing the phenomena of grout return and grout leaking between adjacent injection points; secondly, bromide ion tracer method: after the completion of injection, underground water depth setting rapid sampling is performed, the concentration of the tracers is rapidly detected in field, and the concentration of the bromide ion in the underground water is compared with a background value; thirdly, bromide ion tracer method and observation method: the optimum diffusion radiuses are determined through synthetic judgment. The method is applied to optimal design of diffusion radiuses and hole arrangement parameters and monitoring of injection effect in soil and underground water in situ injection tests and repair construction.

The invention discloses a road water-logging detection method and system and a vehicle. The method comprises the steps that the water depth of N positions within a preset distance range of M meters in front of the vehicle is measured through a radar on the vehicle; whether dangerous positions of the water depth higher than a preset vehicle flameout water depth exist or not in the N positions is judged, if the dangerous positions exist, the dangerous position which has the smallest distance with the vehicle among the dangerous positions as a warning point; an alarm is given for the warning point and the distance between the warning point and the vehicle, and / or the vehicle is controlled for corresponding braking actions. According to the road water-logging detection method and system and the vehicle, detection of the water depth of a range of distance in front of the vehicle can be completed automatically in the normal driving process of the vehicle. Whether the road water-logging exists or not does not need to be judged by people, and detection of the water depth is started. Property loss of the vehicle in water and safe hidden trouble of people in e vehicle are avoided effectively, and risks are effectively avoided.

The invention discloses a multilayer water sample continuous and automatic acquisition type deepwater sampling device. The deepwater sampling device comprises a barrel which comprises a round top cover, a barrel body and a conical counterweight, water sampling bottles are fixedly arranged outside the barrel body, the barrel body is vertically partitioned into 2-3 inner chambers by partitions in the middle of the barrel body, and a single-chip microcomputer controller and a lithium battery are arranged in the inner chambers respectively. A pressure sensor used for measuring water pressure is fixedly arranged on the outer side wall of the barrel body, a lifting ring and a Bluetooth communication wire are fixedly arranged at the upper end of the round top cover, the lifting ring is connected with a motor lifting device arranged on the water surface, and the Bluetooth communication wire is in wireless communication with a computer on the water surface. Upper and lower end faces of each automatic sampling bottle are provided with water inlets respectively, electromagnetic valves are fixedly arranged at the water inlets respectively, the electromagnetic valves and the pressure sensor are respectively connected with the single-chip microcomputer controller, and the lithium battery is respectively connected with the electromagnetic valves and the pressure sensor to supply power to the same. The multilayer water sample continuous and automatic acquisition type deepwater sampling device has advantages that automatic sampling at six positions different in water depth, and simplicity in operation, high efficiency and continuous sampling of multilayer water samples are realized.

An offshore riserless drilling system drills a subsea borehole from a platform and through a cased borehole. The system comprises a lightweight drill string suspending a bottomhole assembly and extending from the platform downwardly through a depth of water into the cased borehole; a first limiter limiting the range of motion of the drill string adjacent the platform; and a second limiter limiting the range of motion of the drill string adjacent the cased borehole. The preferred methods include lowering a bottomhole assembly suspended on a lightweight drill string from a platform through a depth of water; limiting the bend radius of the drill string adjacent the platform; guiding the bottomhole assembly into a cased borehole; limiting the bend radius of the drill string adjacent the cased borehole; maintaining the bottomhole assembly in the cased borehole, and drilling the subsea borehole.

The invention provides a local dry-method underwater welding robot based on an ROV. The local dry-method underwater welding robot comprises the ROV and a welding mechanical arm installed on the ROV. The ROV comprises a frame, a vertical auxiliary thruster, a vertical main thruster and a horizontal thruster, wherein the vertical auxiliary thruster, the vertical main thruster and the horizontal thruster are installed on the frame, the upper portion of the frame is provided with buoyancy materials, the middle portion of the frame is provided with an electronic device sealed cabin and a welding device sealed cabin, the front of the frame is provided with an imaging sonar and an underwater lighting device, the two sides of the frame are provided with camera systems, and the bottom of the frame is provided with a pipeline fixing claw, a hydraulic pile leg and an underground hydraulic pump. The ROV is connected with a water surface control system on a mother ship through a funicle cable. The front portion of the welding mechanical arm is provided with a local dry-method arc welding gun and a weld tracker. The local dry-method underwater welding robot is high in working efficiency, large in working depth, good in underground welding flexibility and especially suitable for being used in the nuclear radiation or poisonous and harmful underwater, the atmospheric environment or in the site where workers cannot arrive at.