598 results about "Open water" patented technology

A tool to stop the flow of water through an activated fire protection sprinkler head. This tool is designed to be a heavy duty, simple to operate mechanism capable of deactivating fire preventing sprinkler heads quickly. By simply turning the outer housing of the tool, by hand or by means of an adjustable extension pole, shut-off levers of this tool will be moved apart within the bracket of the sprinkler head until co-action between the bracket and one of the levers forces the other lever, preferably one bearing a shut-off gasket, against the open water orifice in the sprinkler head, thereby preventing the flow of water through it.

A collapsible container is equipped with a global positioning system and a radio transmitter to ease in locating the container when lost. The collapsible container includes some reflective means or bright coloration such that it is easily seen upon open waters. The container may include means for recording when the container has been opened and closed. The container is sealed and substantially watertight and is made up of interchangeable sections including a bottom, at least one side panel capable of collapsing, a top panel, and at least one door.

A method for a short-term prediction of future ship motion in open water to furnish visual cueing information that can be remotely presented to a pilot during an aircraft landing is described. Two sets of samples of the sea surface geometry along a radial azimuth line from a ship as a function of elevation of a sensor are first acquired. These are compensated to remove the components due to the ship's motion. Two wave traces are then separately derived in Cartesian format from the two sets of acquired samples. These wave traces are subjected to a Fast Fourier Transform to detect the amplitudes and phases of the individual wavelength components. The direction of the wavelength components is determined using a measure of their phase change in the scan direction during the time interval between the two scans together with their measured wavelength. The amplitude, direction and phase of each component is utilized together with the known motion characteristics of the moving ship in order to derive a short-term prediction of future ship motion in the time domain. A quiescent period of the ship motion is located by comparing the short-term prediction with the pre-defined operating limit criteria. Finally, a message signal is transmitted to the pilot of the aircraft indicating Time-to-Land and the duration of the quiescent period.

A running tool 10, a lockdown sleeve 27, and a seal ring 24 are provided for axially fixing upward movement of a tubular hanger with respect to a subsea wellhead. The running tool 10 includes a tool latching and unlatching mechanism 51 for axially connecting the running tool to the subsea wellhead housing, a tool force applicator 64 for exerting a downward setting force, and a sleeve latching mechanism 73 for securing the lockdown sleeve to the subsea wellhead housing 20. The seal 24 is provided between the lockdown sleeve and one of the tubular hanger and the wellhead housing. The method of the invention includes running the tool and sleeve in open water to the subsea wellhead housing, locking the tool to the housing, setting the seal, locking the sleeve to the housing, then retrieving the tool in open water.

A floor construction covered with ceramic tiles, in which a film-like plastic mat having support elements disposed in a uniform area distribution, hollow towards the underside, capable of support, projecting out beyond the top of the mat, is applied on the sub-floor. Channels carrying open water are formed between the support elements, and a water-permeable or vapor-permeable covering in the manner of a non-woven fabric or woven fabric is disposed on the support elements. The plastic mat is embedded and attached, supported in a still soft, hardening thin-bed mortar layer on the sub-floor, over its full area, in the region of its lower contact surfaces. The ceramic tiles are laid and attached on the covering in the manner of a non-woven fabric, directly, with a thin-bed mortar layer.

A floor construction covered with ceramic tiles, in which a film-like plastic mat having support elements disposed in a uniform area distribution, hollow towards the underside, capable of support, projecting out beyond the top of the mat, is applied on the sub-floor. Channels carrying open water are formed between the support elements, and a water-permeable or vapor-permeable covering in the manner of a non-woven fabric or woven fabric is disposed on the support elements. The plastic mat is embedded and attached, supported in a still soft, hardening thin-bed mortar layer on the sub-floor, over its full area, in the region of its lower contact surfaces. The ceramic tiles are laid and attached on the covering in the manner of a non-woven fabric, directly, with a thin-bed mortar layer.

A method and system for retrieving a wear bushing from within a subsea wellhead assembly. The system includes a retrieval tool deployable on a wireline that inserts within the bushing. Latches on the tool radially project outwards and mate with a groove on the bushing inner surface. A hydraulically actuated jack is included with the tool and projects downward to the wellhead assembly to pull the bushing from its temporary coupling in the wellhead assembly. A remotely operated vehicle can be used to assist deploying the tool and for supplying hydraulics and / or control for operating the latch and the jack.

A power generation system is provided that can capture and convert kinetic energy from waves in open water into hydraulic or electrical energy. The system includes one or more platforms that include buoyant arms which extend outwardly from the platform for interaction with waves passing around and beneath the platform. The arms are pivotally secured to the platform and are capable of moving between points above and below the still water level in order to more effectively contact, i.e., float on, the waves as they pass. Opposite the waves, the arms are operably connected to a hydraulic system in order that the fluid in the hydraulic system is effectively pumped by the motion of the arms as a result of the movement of arms resulting from their interaction with the waves. In turn, the hydraulic fluid pumped by the arms serves to operate a hydraulic motor that drives an electric power generator that provides an easily transportable source of power that can be directed to any suitable power transfer station.

The invention belongs to protective fishery field, which in detail relates to two-cycle water treating system for industrialized fish culturing, with main characteristics being: internal recycle pool structure of various shape taking square outside and round inside as representation, cultivating fish in circular pool, the quadrangle outside pool is biological filter; water and pollution discharging pipe are equipped in bottom of pool; the mating outside circular system comprises drainage ditch, out biological filter and artificial wet land, feed ditch, pollution collecting tank; special air raising pump of U shape, high effective aeration, water raising cycle; the artificial wet land and out biological filter are combined together, depositing, filtering, adsorption, bacteria degradation, adsorption by aquatic plant and animal and cleaning water body high effectively; constructing open water inlet and outlet pitch which also used as biological filter by using fish pond to realize omni-bearing restore of cultivating wastewater. The invention is characterized by less equipment investment, low energy consumption, safe and reliable operation, convenient management and maintenance, outstanding ecological, economical and social benefit, low production cost and increased quantity and quality.

Periscope Swim Goggles are swimmer's goggles with a periscope situated above the water line that projects the view that is ahead of the swimmer through a fiber optic cable to a viewer located on the goggle's eyepiece. Generally, an open-water swimmer using the free style or crawl stroke must occasionally sight on a landmark to swim toward. Periscope Swim Goggles would enable the swimmer to continually swim directly along the desired path without lifting the head for sighting. Conventional swimming goggles are typically comprised of two eyepieces contoured and gasketed for an air-tight fit around each eye socket and an elastic strap that wraps around the head holding the eyepieces tight to the face. In one embodiment of the invention, the periscope is positioned and secured at the back of the head by the elastic strap of the goggles. The fiber optic cable leaves the periscope and follows the elastic strap to the viewer which is mounted to the front of the eyepiece.

The invention belongs to the technical field of ship manufacturing, and specially relates to a method for a ship ice-breaking test in real water area. The method comprises the steps that (1), two water areas are formed in a planned test area on the river surface, wherein the length and the width of each water area are 50 m and 10 m correspondingly, and a laboratory containing test equipment and testers is built; (2), two cable towing mechanisms are fixed to one end of an ice tunnel correspondingly, a ship module is adjusted to a marked ballast waterline at the other end, and arrangement, connection and debugging of the test equipment are conducted; and (3), the cable towing mechanisms tow the ship module to move at a constant speed, and open-water resistance and the like of the ship module in still water are measured. The method is applied to resistance tests of the ship module in a level ice zone and a broken ice zone, a self-propulsion test of the ship module and the like, and can accurately measure parameters, such as total resistance, resistance components, sinkage, trim, propeller thrust and torque and main motor power, of the ship module when the ship module sails in the ice zones.

A wastewater treatment method employing chemicals for disinfection, and precipitation of suspended solids, heavy metals and phosphates before subsequent aerobic bacterial biological treatment using Nitrosomonas and Nitrobacter bacteria to remove ammonia and nitrates / nitrites and BOD compounds to produce recovered treated wastewater suitable for open water discharge.

The invention relates to a method for treating a tunnel passing through underground river karst hall. The method comprises the following steps of: a, searching for the position of the underground river karst hall and analyzing geological features; b, excavating a service gallery to reveal the underground river karst hall; c, mechanically clearing rock mass with potential safety hazard, clearing accumulation bodies in the underground river hall to an appropriate position higher than the top of a tunnel, forming a diversion channel, arranging a retaining dam at an appropriate upstream position of an underground river and transferring open water current of the underground river to the diversion channel for draining; d, arranging a reinforced concrete bottom plate in the underground river hall, drilling holes downwards on the bottom plate and grouting to reinforce a karst cave accumulation body; and e, undermining the tunnel. The underground river karst hall is revealed in a way of arranging the service gallery and drainage, grouting and reinforcement are directly performed on the underground river, so that a passive mode is replaced by an active mode, an existing water path of the underground river is kept and the safety and reliability of tunnel construction and operation are ensured.

The invention discloses a design method of a hydraulic model of a shaftless drive type integrated motor pump jet. By means of the method, the propeller which is equal to a seven-blade highly skewed propeller in open water efficiency and lower in radiation noise can be designed, wherein a motor and the pump jet are completely integrated. The method comprises the steps of a pump fluid channel hydraulic parameter type selection design, a parametric three-dimension reversal design of pre-positioned stator and post-positioned impeller blades, non-air-gap pump jet open water performance checking, and propelling, cavitation and noise performance and strength checking of the integrated motor pump jet. The pump jet which is composed of a thick guide pipe of an embedded motor stator, a motor annular rotor, an air gap, a pre-positioned stator and a post-positioned impeller is designed. The propelling efficiency is 0.589, the power is 3.7 MW and the pump jet can propel submersible vehicles with the navigational speed being 16 knots. The number of the stator blades is 13, the number of the impeller blades is 9, an NACA 16 wing type thickness distribution method is adopted for the stator blades and the impeller blades, and the impeller is highly skewed. The design method can be directly used for realizing shaftless electric propelling of unverwater vehicles, and is also suitable for shaft type pump jets and torpedo post-positioned stator type integrated motor pump jets.

Compositions and methods for controlling molluscs, members of the Gastropoda and Bivalvia classes which includes but is not limited to lactones, lactams, carbamates, amides, and / or carboxylic acid containing compounds as active ingredients and / or compounds derived from Pseudomonas and / or Erwinia. Also provided are methods and compositions for increasing the efficacy of chemical and biological control for invasive molluscs in open waters, power plants, and drinking water treatment facilities under coldwater conditions.

A method and system for inhibiting or weakening the formation of hurricanes, by detecting the onset of a hurricane in a region of open water and immediately cooling the surface water in the open water region. In the decribed preferred embodiments, the surface water is cooled by using one or more nuclear-powered submarines to pump cooler water at a depth in the open water region to the surface of the open water region.

The invention discloses a constructing method for mining an embedded artificial boundary ore pillar from an open-pit to underground mine. The constructing method comprises the following steps of: firstly, digging a trench at the boundary of an open-pit bottom ore body and surrounding rock as a transmitting road; secondly, carrying out robbing and filling on the ore body in the pit in three layers by adopting an upward drift filling method; requiring each layer of drift to overdraft and enter an upper-wall surrounding rock; after each drift is robbed, paving an artificial reinforced concrete false bottom and then filling; realizing the connection between every two filling units by connecting constructing ribs of adjacent drifts; after each layer of drift is robbed and filled, paving an artificial reinforced concrete false bottom in the trench and carrying out lap welding on connecting drift with constructing ribs of the trench; filling a layer height to next layer in the trench; and finally, forming the embedded artificial boundary ore pillar in the open-pit bottom. The pit bottom treatment is realized by using the method, so that the aims of recovering ore pillar resources, maintaining the slope stability, isolating open water burst, blocking off underground air leakage and stopping the influence on the underground production by external weather can be achieved.

A totally enclosed flexible deep water enclosure can effectively separate open water body. The main body comprises a flexible bar shape floating body, a cork rope, a wall cloth, a ground rope, and a stone dragon. The stone dragon is buried in a sealed close bottom end of a silt layer, and the flexible bar shape floating body floats on the water to form separation. A mooring cable is used for fixing the ground rope on two under water wood piles at two sides, preserving degree relaxation in the vertical and horizontal directions. An under water anchoring mooring cable, the ground rope, a wall cloth longitudinal stiffening rib, and the cork rope constitutes the network-shape mechanics structure of the enclosure. The flexible bar shape floating body uses a flue to wrap a flexible closed-hole foam plastic strip, and the outside is protected by a changeable coating for structural durability. The enclosure subsections are connected by zipper fashion blanket stitches, convenient for processing, transportation, installation, dissembling, maintenance, and reuse, and can be used for contemporary separation of part water areas of the open water body, such as the boundary control of water surface project area, the separation and diversion of polluted water mass. The invention is suitable for natural conditions such as deep water (10m above), storm, water current, water level fluctuating, with the service life of 5-10 years.

The invention provides a measurement system and measurement method utilizing non-freezing model ice to obtain the ship model resistance in trash ice. First, by selecting non-freezing model ice from a conventional towing pool to replace frozen model ice in an ice pool, so that the towing pool without a low temperature environment is equipped with the condition of simulating ice trash working conditions; and then a unique buoy fence structure is designed on the surface of the towing pool to achieve simulation of an ice trash channel, and a force cell is used to realize measurement of the ship model resistance at different speeds. In addition, the invention adopts the means of firstly measuring the resistance of the open water and measuring the resistance at a very low speed (0.02m / s) under the floating ice condition, elements such as the open water resistance, the floating ice resistance and the clear ice resistance are separated, and the resistance performance of a corresponding ship model and a real boat in the working condition of trash ice is forecast. The measurement system and measurement method of the invention provides a new idea for measurement of the ship model resistance in the trash ice in a condition that now ice pool facilities in china are not perfect.

A method for hurricane prevention by cooling the surface of the ocean water in the path of a tropical cyclone. This method is achieved by displacing the warmer surface water with the cooler water below it. The method involves using a surface vessel, such as a ship, in a region of open water to dissipate or weaken tropical cyclones by positioning the surface vessel in a path of travel of a tropical cyclone. The surface vessel is equipped with a redistribution device to collect warm surface water as the surface vessel is propelled through open water, and the warm water is diverted beneath its natural stratification level and replaced with cooler water along the surface of the open water.

The invention discloses a calculating method for dynamic pollution field of open water body emergent pollution accident. The method provided in the invention comprises the following steps: 1) determining area coverage the model calculates according to the position of a pollution source and basic flow field characteristics of the open water body; 2) respectively obtaining data 1, data 2, data 3, data 4 and data 5; 3) respectively inputting the data 1-5 into a software and respectively generating a corresponding data file. The experiments prove that: by applying the above technical scheme, the calculating method has advantages of using structureless trilateral and quadrilateral grids to solve for a two-dimensional or three-dimensional model and being suitable to any region's mesh dissection and solution.

The invention provides a method for restoring a slash type degraded wetland. The degraded wetland is restored by adopting one or more of a hydrological connection method, a microrelief transformation method, a matrix recovery method, a vegetation recovery method and a riparian zone slope protection method. According to the specific circumstance of the degraded wetland, the method can comprehensively utilize the whole technical system, and also can separately utilize certain technology. The method improves the landform, a water system, a wetland matrix and the riparian zone environment of the degraded wetland through ecological engineering measures so as to reasonably arrange wetland vegetation from land to open water, construct an optimal wetland vegetation community structure, and effectively improve the stability and the self-maintenance of the degraded wetland.

The invention relates to a device floating on water and used for culture engineering facilities and a construction method thereof. The device comprises unit module type support structures which are repeatedly arrayed and connected with each other. The support structures assist a floating load and support a formed culture container, at least part of the support structures are composed of pipes containing gas. The culture container comprises a floating bottom support structure so as to assist in sizing the floating load. The device is applicable to culture devices for culturing unicellular algae and macroscopic algae on open water surface (e.g. sea surface), and aquatic organisms such as conch, abalone, sea cucumbers, sea urchin, crab, fish and shrimp on a large scale. The device is characterized by low cost, firm structure, resistance against wind and waves, being convenient for mounting, cleaning and removal operations of a large-area culture container and the like.

The invention provides a model ice pushing device. A side bridge of a trailer is provided with two die fixing holder, a lower end of a first die fixing holder is provided with an open water test case, a propeller model is arranged on the open water test case, a lower end of a second die fixing holder is provided with a linear module group, a servo motor is mounted on an end part of the linear module group, an output shaft of the servo motor is connected with a leading screw of the linear module group, a connecting plate is fixedly connected on a sliding block of the linear module group, a lower end of the connecting plate is at least provided with a pair of distance-adjustable connectors, lower ends of each pair of distance-adjustable connectors are provided with model ice fixing devices, model ice is placed in the model ice fixing devices, and the side bridge of the trailer is also provided with a control system. The model ice pushing device is suitable for testing and research on model ice of different sizes and different moving states and a ship propeller, and mutual effects between the propeller and ice during ship navigation in an ice zone can be simulated in real way; the model ice pushing device is advantaged by high stability, convenience of operation, high control precision and the like; test accuracy is effectively improved.

The invention discloses a waterborne two-component quick-drying polymer cement waterproof mortar. The waterborne two-component quick-drying polymer cement waterproof mortar includes a powder materialand a liquid material, wherein the powder material is composed of the following components by mass percent: 35%-55% of Portland cement, 3%-12% of sulfur aluminum cement, 5%-25% of active filler, 25%-50% of ordinary filler, 0.2%-1.5% of anti-cracking fiber, and 0.1%-1.5% of an assistant; and the liquid material is composed of the following components by mass percent: 30%-50% of a polymer emulsion,0.1%-2% of an assistant, and the balance water; and the powder material and liquid material are mixed in a ratio of 2.5-4:1. Compared with the prior art, the invention realizes one-time thick coatingof polymer cement waterproof mortar, which can dry quickly, does not crack, and has good impermeability. The construction and maintenance time can be shortened to 4h, and the construction period is greatly shortened. The waterborne two-component quick-drying polymer cement waterproof mortar provided by the invention has the characteristics of high bonding strength, good resistance to water and alkali, and good weatherability, can be directly applied to construction on base planes without open water, and can be widely applied to basement, kitchen, toilet, bathroom, swimming pool, balcony, garden waterscape, interior and exterior wall integral waterproofing and seepage prevention, and other waterproofing projects.

The invention provides an automatic water feeding system and method for a train carriage. The system comprises a water conveying pipe, a mechanical arm and a controller. The controller sends an open water conveying instruction to the mechanical arm. The mechanical arm is moved to a corresponding position of the water conveying pipe along the water conveying pipe according to the open water conveying instruction, enables a water tank of the train carriage at the corresponding position to be communicated with the water conveying pipe, and enables water in the water conveying pipe to be conveyedto the water tank of the corresponding train carriage, so the automatic water feeding of the train carriage in a station is realized, a traditional tedious inefficient artificial water feeding processis replaced, the automation level and the carriage water feeding operation efficiency of the station are improved, and the transport efficiency of a railway is improved.

A paddled watercraft is disclosed that is readily convertible between a stand-up paddleboard configuration and a seated paddling configuration. The watercraft includes a board with an operator body support assembly attached onto the top deck of the board, the body support assembly being capable of being reconfigured to support a person in a standing position for padding from a standing position, or to support a person in a seated position for paddling from a seated position. The watercraft can be converted from stand-up paddling configuration to a seated paddling configuration while underway on open waters.

The invention discloses a novel floating seedling substrate special for tobacco and a preparation method thereof. The floating seedling substrate consists of the following raw materials in percentage by weight: 30 to 40 percent of decomposed tobacco straw, 25 to 35 percent of carbonized tobacco straw, 15 to 20 percent of decomposed rice straw and 10 to 15 percent of grass carbon. The preparation method comprises the following steps of: preparing various raw materials according to the mixture ratio of the novel floating seedling substrate special for the tobacco; leaching the carbonized tobacco straw by water with a pH value of between 5.5 and 6.5 for 5 to 10 minutes; drying the leached carbonized tobacco straw until no open water flows outwards; uniformly mixing and stirring the various raw materials; sterilizing the mixture at the high temperature of 250 DEG C for 10 to 15 minutes; and adjusting water content until the water content meet the requirement of a product so as to obtain the product of the invention. The grass carbon in a conventional seedling substrate mixture ratio is replaced by a large amount of tobacco straw, so the problem of ecological environmental damage due to the use of a large amount of non-renewable resources and the problem of soil ecological environmental damage due to natural decay of the large amount of tobacco straw are solved, the large amount of tobacco straw are recycled and waste materials are recycled. Therefore, the novel floating seedling substrate special for the tobacco has remarkable economic and social benefits.

The invention discloses a method for performing mobile monitoring on tail gas of a ship. The method comprises the following steps: enabling a monitoring ship to pass through a tail gas band of a monitored ship by adjusting the shipping direction of the monitoring ship relative to the monitored ship, sampling tail gas discharged by the monitored ship by an air quality continuous monitoring system arranged on the monitoring ship, acquiring the CO2 concentration and the polluted gas X concentration of the tail gas, calculating the polluted gas X discharge factor in the discharged tail gas of the monitored ship based on the discharge factor of oil consumption, comparing the polluted gas X discharge factor with the conventional regulated ship tail gas discharge standard, and determining whether the suspicion that discharge of the tail gas of the monitored ship exceeds standard exists or not. The method for performing mobile monitoring on the tail gas of the ship is suitable for big river open water, an efficient method is provided for monitoring the tail gas of the ship in the ship discharge control area in China, the check pertinence of anchored ships is improved, the efficiency is improved, and waste of manpower and financial resources caused by blind inspection is greatly reduced.

The two forces used are gravity and the atmospheric pressure. Gravity initiates the power phase by causing the water to fall from the elevated sealed water tank 10 to turn the turbine 32. The water lowers to 33.95 feet above ground level within the sealed water tank 10. A vacuum forms above the water. The water flows from the turbine into the elevated open water tank 46 to the level whereby its water outlet valve 26B opens. This affords a passage back into the elevated sealed water tank 10, through the check valve 40 and the manual shut-off valve 42. This initiates the recovery phase. The atmospheric pressure of 14.7 psi on the elevated open water tank 46 forces the water back into the sealed water tank 10 to relieve the vacuum. This pressure is capable to move the water up to 33.95 feet. Here it has only to move it up to 26.95 feet, realizing a 20.6 percent reserve force. With the water level again attaining maximum height in the sealed water tank 10, it is again released to repeat the cycle.