108 results about "Water flow" patented technology

The invention discloses a system optimization method and device of ship operation energy efficiency. The method comprises the steps of data acquisition, mathematical model establishment, analysis and calculation, output and execution; namely, acquiring speed over water and speed over ground of the ship, real-time rotating speed and instant oil consumption of ship main engine; when the ship is in much deeper water, establishing a mathematical model between the real-time rotating speed of the ship main engine and the ship speed over water and a mathematical model between the real-time rotating speed of the ship main engine and the instant oil consumption of the ship main engine; analyzing and calculating the mathematical models under different water flow velocities and different main engine rotating speeds to obtain the ship kilometer oil consumption valves of the ship corresponding to different conditions; displaying the ship kilometer oil consumption value and the corresponding main engine rotating speed to guide the operation. The method also includes a ship technical state judging and navigation operating optimizing method. The device comprises a central processer and a memory thereof, a data acquisition equipment, man-machine conversation equipment, output equipment, a power supply unit and the like.

The invention provides a construction method of close-range down-traversing operation lines at initial stages or receiving stages of a shield. The formation of water flow channels and the subsidence of overlying soil layers are effectively avoided through the following steps: monitoring an operation line; pre-reinforcing the operation line; sealing steel sleeves of tunnel portals; performing shield excavation; performing synchronous grouting by an anterior shield; performing lining segment assembling; performing double-liquid secondary grouting-reinforcement on earth within a range influenced by the down-traversing operation line of the constructed tunnel. The deformation of the operation line is guaranteed to be controlled within a safe and reasonable region, the long-term stability of the constructed tunnel and the operation line is improved, and the construction quality is greatly improved.

The invention discloses an alarm device used for filter core replacing. The alarm device comprises a flow sensor, a controller, a timer and an alarm, wherein the flow sensor is proved in a water channel of a filter core and used for sending sensed current data to the controller, the timer sends the data to the controller when the timer is time out, and the controller determines whether the filter core needs to be replaced or not according to received data and starts the alarm when the filter core needs to be replaced. The alarm device provided in the invention can prompt whether the filter core needs to be replaced or not according to actual usage situation of the filter core, thereby ensuring the water purification effect of the filter core.

The invention discloses a method for constructing a multi-stage subsurface flow constructed wetland system, and the method comprises the following steps: (1) selecting a littoral zone with a slope as a wetland pond or digging and backfilling to get a wetland pond with a slope; (2) grading and filling a matrix, namely designing stages according to the pollution load and the height difference of slope, and filling the matrix in each stage of the wetland; (3) arranging drainage holes, water outlet holes and water inlet holes; (4) planting plants, namely planting the plants on each stage of the wetland respectively. The method disclosed by the invention has the following beneficial effects: (1) the system constructed by the method has no influence on the coastal zone structure of a landscape water body. (2) the system constructed by the method has a better purification effect on water flowing into rivers and water contaminated by the landscape water body, especially has an obvious purification effect on pollutants such as SS (Stainless Steel), oil and COD (Chemical Oxygen Demand) and has a good removal effect on heavy metals, TN and TP. (3) the system constructed by the present invention can integrate the purification function with the greening of coastal zones, so that the diversity of landscape is enriched and the overall landscape effect is improved.

The invention relates to the technical field of performance stages, in particular to an elevating fountain stage, which comprises a fixed stage, a turbine pit, a supporting plate and a driving mechanism, wherein the supporting plate is provided with a through hole; an elevating stage is arranged right above the supporting plate; the driving mechanism is used for driving the elevating stage to move up and down; the lower surface of the elevating stage is provided with a hollow guide post; a water current channel is formed inside the elevating stage; the turbine pit is provided with a first water pump and a flexible water pipe; the supporting plate is provided with a plurality of spray nozzles and a second water pump; the plurality of spray nozzles are annularly and uniformly distributed on the hollow guide post; and the water outlet of the second water pump is communicated with the water inlets of the plurality of spray nozzles. Dancers standing on the elevating stage for performance seem like being supported by a water column which is sprayed upwards, so that the interestingness and appreciation of stage performance are enhanced greatly, dynamic impression formed by dynamic stage change is enhanced, practicability is high and appreciation value is high.

The invention discloses a method for dynamically determining breathing oxygen consumption and a hypoxia device for the method for dynamically determining the breathing oxygen consumption. The method includes the following steps that after distilled water is added from an air vent and reaches a weather bar, a tee valve is closed, a mouse is contained in a hypoxia bottle where soda lime is placed in advance, and then a bottle plug is fastened; when the hypoxia bottle generates 0.5cmH2O negative pressure, water flows in an oxygen consumption determining channel enable the pressure to be -0.5cmH2O constantly, and the amount of consumed oxygen is read out; a high-sensitivity tension transducer is used for automatically monitoring the breathing rate, the breathing range and breathing pressure of the laboratory mouse with oxygen deficiency; when a repeated experiment is performed, air in the oxygen consumption determining channel is exhausted and then the operations are repeated; the hypoxia device established according to the determining method comprises a device body, the hypoxia bottle and a biological signal collecting and processing system. The method for dynamically determining the breathing oxygen consumption and the hypoxia device for the method for dynamically determining the breathing oxygen consumption have the advantages that the pressure is constant, due to the fact that the breathing rate, the breathing range, the amount of the consumed oxygen and the pressure value of the hypoxia environment of the mouse with hypoxia are monitored dynamically, errors caused by manual monitoring are avoided, and the method and the hypoxia device are suitable for determination of the consumed oxygen amount and a hypoxia experiment.

The invention provides a construction method for fixing a tidal current energy power generation device to the water bottom and the tidal current energy power generation device. An outer framework is manufactured, a floating body is fixed to the outer framework, an outer casing pipe is fixed to the outer framework, and a structure for reducing water flow resistance is arranged on the upstream side of the outer casing pipe; an inner casing pipe is correspondingly inserted into the outer casing pipe; the outer framework is put into the water and is pulled in the water to the installation site; one end of the inner casing pipe sinks into the water bottom in the axial direction of the outer casing pipe, and the other end of the inner casing pipe extends out of the water surface; the outer framework sinks into the water bottom by releasing the buoyancy of the floating body, and the levelness of the outer framework is adjusted; the water bottom is hammered in the axial direction of the inner casing pipe and drilled inside the inner casing pipe to form a pile hole, the inner casing pipe is taken out, a connection casing pipe is put into the outer casing pipe, the connection casing pipe is connected with the bottom end of the outer casing pipe and the upper end of the drilled ground of the water bottom, a reinforcing cage or steel profile is put into the outer casing pipe, and concrete is poured into the outer casing pipe; and a water turbine and an electric generator are installed on the outer framework.

The invention provides a fishtail rudder comprising a front end, a middle body and a fishtail, wherein the front end comprises a rudder head tube which is smoothly transited to and connected to the middle body; the middle body is a streamlined NACA airfoil with rudder side plates on both sides; and the fishtail comprises a trailing edge plate connected with the middle body, wedge-shpaed plates onboth sides of the fishtail and a plane tail transom plate at the rear part of the fishtail. The fishtail rudder also comprises a plurality of vertical partition plates and horizontal partition platesfor reinforcement. A corresponding horizontal partition plate is arranged between every two vertical partition plates and a corresponding water flow hole is arranged on each horizontal partition plate. The fishtail rudder is divided into several parts by the vertical partition plates and is bilaterally symmetrical.

The invention relates to a woven fabric and jean desizing and boiling-off combined machine. The woven fabric and jean desizing and boiling-off combined machine comprises a cloth feeding frame which is sequentially connected with a first washing tank, two-roller padders, a steam box device, a second washing tank, a baking barrel dryer and a rolling device. The steam box device comprises a first steam box, a second steam box, a third steam box and a fourth steam box which are sequentially connected and are each provided with one two-roller padder. The first washing tank is provided with an ultrasonic generator. By means of the structure, ultrasonic waves form vibratory efficient water flow in a water channel to enable jean to be subjected to saturation impact vibration, sizing agents in the jean are removed at a high speed, the fiber interior will become fluffy after core-through jetting, the fabric tends to be soft and comfortable in hand feeling, and the whole machine process is shortened, 30 percent of water can be saved, and the woven fabric and jean desizing and boiling-off combined machine saves energy and is environmentally friendly.

The invention relates to the technical field of experiment equipment for an environment engineering laboratory and particularly relates to a laboratory drainpipe network simulation system and a simulation method. A water storage device of the system is connected with a spraying device and supplies quantitative water for the spraying device, the spraying device sprays water to an experiment table arranged below the spraying device, the experiment table is used for simulating a distribution structure of a road drainpipe network and comprises at least two experiment zones, adjustable height difference exists among the experiment zones, the experiment zones are communicated with the water storage device through a water drainage device to return rainwater dropping onto the experiment table to the water storage device through the water drainage device, and a controller is respectively connected with the water storage device, the spraying device, the experiment table and the water drainage device, is used for controlling opening/closing, position adjustment and water flows of the water storage device, the spraying device, the experiment table and the water drainage device and can simulate operation states of underground drainpipe networks with different rain intensities and different surface differences.

The invention discloses a device for cleaning away riverway floating objects. The device comprises a body assembly, rotary wheel assemblies, a mincing and extruding assembly, a lifting assembly, a thumbing wheel assembly and fence assemblies. Rotary wheels rotate through current impact, thus, the lifting assembly and the thumbing wheel assembly are driven to work, the floating objects are fished to the lifting assembly through the thumbing wheel assembly to be fed into a mincing assembly to be minced, and then the floating objects are compacted by an extruding assembly to be stored in a material box. Fence motors control the opening angles of fences on the river surface, and the intercepting width of the floating objects is increased; and the rotary wheels work through the current impact,the riverway floating objects are collected and fished, energy is saved, environmental friendliness is achieved, the collected riverway floating objects are minced and compacted by the mincing and extruding assembly to be stored in the material box, in other words, recovery of the riverway floating objects is pre-treated, and the storage capacity of the storage box can be improved.

The invention discloses a novel intelligent irrigation system. The novel intelligent irrigation system comprises a greenhouse body, a water tank is fixedly connected to the bottom of one side of the greenhouse body, a central control module located above the water tank is fixedly connected to one side of the greenhouse body, and transverse beams are fixedly connected to the inner wall of the greenhouse body; a fixation shelf located below the transverse beams is fixedly connected to the inner wall of the greenhouse body, backflow holes are formed in the fixation shelf, water flowing holes areformed in the top of the fixation shelf and communicated with the backflow holes, one ends of the backflow holes are fixedly connected with one side of the water tank through a connecting pipe, and guide grooves are formed in the tops of the transverse beams; motors are fixedly connected to one ends of the transverse beams, guide blocks are movably connected to the interiors of the guide grooves,and lead screws are fixedly connected to the power output ends of the motors, penetrate through the guide blocks, and are in threaded connection with the guide blocks. The novel intelligent irrigationsystem is reasonable in structure, automated irrigation in the greenhouse body is achieved, the manufacturing cost is low, and the system is suitable for application and popularization.

The invention discloses a water-cooling cooling polishing machine which comprises an abrasive disc and a rotating shaft. A cavity, a water inlet channel and sliding grooves are formed in the rotating shaft. The water inlet channel, the cavity and the sliding grooves sequentially communicate. Sliding blocks are connected into the sliding grooves in a sliding manner. Springs are arranged between the sliding blocks and the inner walls of the sliding grooves. Water outlet grooves are formed in the rotating shaft and communicate with the sliding grooves. When the rotating shaft is static, the sliding blocks seal the corresponding water outlet grooves. The upper side face of the rotating shaft is provided with a funnel and a rubber bar. The funnel is connected with the water inlet channel. A water inlet pipe is arranged above the rotating shaft. A water outlet of the water inlet pipe is located above the funnel. A water outlet switch of the water inlet pipe is located on the moving track generated when the rubber bar conducts the circular motion. When the rubber bar pushes the water outlet switch, cooling water flows into the funnel through the water outlet of the water inlet pipe. The water-cooling cooling polishing machine cools the abrasive disc automatically when used, the service life of the abrasive disc is prolonged, and damage, caused by the too high temperature of the abrasive disc, to a polished object is prevented.

The invention discloses a spray gun for fire fighting, which consists of a gun body with water communicating inside and a spray head. The gun body has a multi-tube structure, and comprises a gun handle provided with a switch for controlling inlet and outlet of water, a water level switching valve of which the water inlet is connected with a water outlet of the gun handle and which is used for switching the direction of water current, and at least two gun tubes, wherein one end of each gun tube is connected with an water outlet of the water level switching valve, and the other end of the each gun tube is connected with the spray head; and the diameter of a tube orifice of the gun tube is matched with the diameter of the water outlet of the water level switching valve. The spray gun for fire fighting integrates various injection functions, and can quickly switch different functions to achieve the aim of convenience for multifunctional use.

The invention relates to a hydroelectric generation device, in particular to a shipborne type hydroelectric generation device which is capable of generating electricity by using current kinetic energy. The shipborne type hydroelectric generation device is composed of a main load bearing ship, auxiliary load bearing ships, water wheels, a support, a water wheel lifting mechanism, a power transmission mechanism and an electric generator. According to the support, the main load bearing ship and the auxiliary load bearing ships are fixed on a middle section and the two sides under the support by a support platform and support vertical rods. The electric generator is installed on the main load bearing ship. Two water wheels are respectively installed on the two sides of the main load bearing ship. The auxiliary load bearing ships are arranged at the outer sides of the water wheels. An anchor pile, a mooring rope and a plurality of shipborne type hydroelectric generation devices are combined into a hydroelectric generation station. Compared with the prior art, the shipborne type hydroelectric generation device is free from the need of building a dam, small in occupation of land, short in time of construction, small in investment, large in single-machine power, reliable in working performance, good in stability, wide in application range and good in development and utilization of water power resources.

The invention provides a single-flow-channel secondary combustion oxygen lance capable of improving the scrap ratio of a converter and an application method of the single-flow-channel secondary combustion oxygen lance. The single-flow-channel secondary combustion oxygen lance comprises a lance body and a spraying nozzle, wherein the lance body comprises a three-layered steel pipe structure composed of a middle pipeline, a middle circumferential seam and a peripheral pipeline; oxygen is introduced into the middle pipeline; cooling water is introduced into the middle circumferential seam; returned water flows out from the peripheral pipeline; a main oxygen spraying hole is formed in an end face of the spraying nozzle; a secondary oxygen spraying hole is formed in a side wall of the sprayingnozzle; the flow of the secondary oxygen spraying hole accounts for 15 to 30 percent of the total oxygen supply flow; the flow of the main oxygen spraying hole accounts for 70 to 85 percent of the total oxygen supply flow. According to the single-flow-channel secondary combustion oxygen lance provided by the invention, the design of the main oxygen spraying hole of the oxygen lance is consistent with that of a conventional traditional oxygen lance; the secondary oxygen spraying hole is formed on the basis of an original spraying nozzle, so that oxygen jet flow sprayed out from the secondary oxygen spraying hole and carbon monoxide in the converter are combusted to generate a lot of heat for heating molten steel under the condition that the jet flow of the secondary oxygen spraying hole andjet flow of the main oxygen spraying hole do not have an entrainment phenomenon and a furnace lining of the converter is not corroded, and the scrap ratio of the converter is improved.

The invention discloses a self-cleaning system and a self-cleaning method suitable for a honey beverage vending machine. The system comprises a water tank, support legs, an observation window, a powerdistribution control box, a water-adding sealing cover, an air inlet structure of the water tank, a short pipe, a round cover, a filter cotton block, a protective cover, a gearbox body, a rocker, a water pumping pipe, a water pump, an air pump, a one-way valve, a first elbow, an air inlet cover, an activated carbon filter screen, a fixing rod, a second elbow, a three-way pipe, a heat conduction copper pipe, a heat preservation sleeve, a heating piece, a hose, a traight pipe, a cylinder, a rotating shaft, a fixing piece, a hole pipe, a sealing cap, a straight rod, stirring blades, a worm gear,a worm, an output shaft, an input shaft, a first gear and a second gear. Through the stirring structure, the transmission structure and the driving structure, stirring in the water tank can be achieved, the mixing effect of a cleaning agent and water is improved, meanwhile, the air pump is arranged and can pressurize water flow, so that the water pressure during flushing is improved and the flushing effect is good.

To provide a urinal apparatus, including: a water supplying device configured to supply water to a bowl section of a urinal; a trap section provided in a lower part of the bowl section and configured so that urine and water flow into the trap section; and a water sprinkling device configured to sprinkle water droplets to a region inside the bowl section, the region being located between the trap section and position of a nose of a user facing the bowl section, timing of sprinkling the water droplets by the water sprinkling device being different from timing of supplying water by the water supplying device.

The invention provides a laboratory acquisition method and device for water level change of two sides of a V-shaped river course. The invention provides an image processing-based non-immersive measurement method by combining dam break water flow tests in a V-shaped sink model and an image binarizaiton processing method. The method can detect water level change along both sides, thereby helping further understand motion characteristics and laws of water flow, solving a problem that a traditional manner measures only at one point, lowering cost, consuming less time, and being convenient to conduct.

The invention discloses a broad water jet loom which comprises a nozzle, a weft capturing device, a warp feeding structure and an abnormal reed. The nozzle consists of a nozzle core and a yarn guide pipe arranged in the periphery of the nozzle core. Weft yarns from the nozzle core are wrapped and led to the weft capturing device through a high speed water flow in a space formed between the nozzle core and the yarn guide pipe. The abnormal reed feeds the warp yarns to a Y-shaped opening formed by two bundles of the warp yarns on the warp feeding structure. The nozzle is internally provided with a condensing device for condensing the high speed water flow jetted. The Y-shaped opening formed by two bundles of the warp yarns is internally provided with a melting device for heating the weft yarns. The condensing device is heat conductive metal layers arranged inside the nozzle core and inside the yarn guide pipe. The heat conductive metal layer is internally provided with a refrigerating device. The weft yarn can be casted by condensing the high speed water flow in the space formed between the nozzle core and the yarn guide pipe, so that diffusion of the high speed water flow can be avoided.

The invention discloses a gate vertical vibration reduction and bottom edge adjustable system. The system comprises a gate, a rubber pocket, an inflatable guide tube, an inflatable pump, a pressure valve, an electromagnetic feedback system and a cell; the cell is arranged on the lower portion of a bottom beam of the gate, and the cell and the bottom beam are fixedly connected through a damping device; the rubber pocket is fixed into the cell through bolts, the width of the cell is smaller than that of the gate, the inflatable pump, the pressure valve and the electromagnetic feedback system arefixed to the upper portion of a gate body, one end of the inflatable guide tube is connected with the inflatable pump, and the other end of the inflatable guide tube penetrates through the bottom beam and the cell to be connected with the rubber pocket. By means of the system, the effects of gate vertical vibration reduction, gate flow state improvement and adjustment of vertical water power applied to the gate bottom edge can be achieved.