294results about How to "Large water flow" patented technology

A drain cover having a main drainage surface with relatively larger apertures or openings therein, comprising generally 50 percent of the surface, so that larger debris is accepted into a related drain pipe when a depending skirt portion of the drain cover, having smaller perforations, becomes clogged. In this way a two-layer drainage system for a generally flat surface is provided that allows draining of water and small particulates alone when possible, but upon the clogging of the smaller openings the generally flat surface can be protected from flooding by allowing larger particulates to drain into the main drainage surface. The main drainage surface is held above the flat surface by the depending skirt, at a level of ⅜ to 1 inch above the flat surface. When the depending skirt openings are clogged the water and debris will rise until allowed to drain into the larger openings of the main drainage surface.

The invention discloses a heat pump type dishwasher. The heat pump type dishwasher comprises a housing, a spray device, a heat pump system and a by-pass pipe, wherein the housing is internally provided with a processing chamber, the processing chamber is provided with a processing chamber water outlet, the spray device is used for spraying washing water to clean tableware located in the processing chamber, the heat pump system includes a compressor, a condenser, a throttling device and an evaporator, the compressor, the condenser, the throttling device and the evaporator are connected to one another to form a refrigerant circuit, at least one part of the washing water flowing out of the processing chamber water outlet is transported to the spray device after being heated by the condenser, the first end of the by-pass pipe is connected with the processing chamber water outlet, the second end of the by-pass pipe is connected with the spray device, and a flow control valve used for regulating the flow is arranged on the by-pass pipe. According to the heat pump type dishwasher, the washing water flow is enough, and the washing effect is good.

A cooling structure of an internal combustion engine includes: a cooling water introducing port provided on one end side of a cylinder block; and a water jacket provided so as to surround a cylinder bore wall, wherein cooling water is introduced from the cooling water introducing port into the water jacket, the cooling water is branched to flow to a portion on an intake side and a portion on an exhaust side of the water jacket of the cylinder block of the internal combustion engine, and the cooling water is supplied from a cylinder block side to a cylinder head side, the cooling structure of the internal combustion engine, further comprising a first regulation portion that regulates a flow of the cooling water supplied to the cylinder head side.

A flow adjusting device includes a fixation unit with a waterway and a button; the fixation unit is disposed with a movable shaft, a pushing rod and a spring, the movable shaft and the pushing rod can move relatively to the fixation unit, the motion direction is parallel to the flowing direction of the water in the waterway, the discharge area of the waterway is changed by the relative motion of the movable shaft and the fixation unit to adjust the flow rate, thereinto, the fixation unit, the movable shaft, the pushing rod and the spring are cooperated to form an automatic ball-point pen like movable mechanism; the button is connected to the fixation unit in a sliding way, the sliding direction of the button is vertical to that of the movable shaft, the button and the end of the pushing rod are formed a linkage construction.

The invention relates to an intelligent planting box. The intelligent planting box comprises a soil layer, a straw layer and a control layer, wherein the straw layer is arranged under the soil layer; the soil layer is provided with at least one sensor and a water seepage tube which is mounted in the bottom of the soil layer; the control layer comprises a control module and an electric water pump; and the control module is connected with the sensor and the electric water pump separately, and the water seepage tube is connected with the electric water pump. The intelligent planting box provided by the invention can control the soil humidity in real time, can automatically realize water transportation when the humidity is insufficient, adopts a flow-splitting and irrigating mode from top to bottom to uniformly irrigate, comprehensively monitors factors that affect the crop growth in real time, is high in intelligent degree, and can be suitable for planting of indoor farms and homes.

The invention provides a method for taming wild Lhasa Schizothorax. Parent fish is collected with an electric fishing method, the parent fish which is well-developed, vivacious and robust in health is selected as a taming object, potassium permanganate is used for disinfection, high protein dead bait and buoyancy pellet feed are selected and fed alternatively for taming, and the taming survival rate is higher. The taming method is simple, the operability is high, the piratical applicability is good, large-scale and standard taming of wild Lhasa Schizothorax can be realized, development of the Lhasa Schizothorax is promoted, and the wild wild Lhasa Schizothorax resource is effectively protected.

The invention discloses a chemical synthetic pharmaceutical wastewater treatment device. The device comprises a pre-exposition adjustment pond, an enzyme supplementation anaerobic pond, an enzyme supplementation contact oxidation pond, an MBR biochemical pond and a sludge concentration pond; a reflux pipeline is connected between the pre-exposition adjustment pond and the enzyme supplementation anaerobic pond, a reflux pipeline is connected between the enzyme supplementation anaerobic pond and the enzyme supplementation contact oxidation pond, and a reflux pipeline is connected between the enzyme supplementation contact oxidation pond and the MBR biochemical pond; a biological suspension ball and an oxidation reduction potential (ORP) control system are arranged in the pre-exposition adjustment pond; an ORP control system, an MLSS online monitor and a DO online monitor are arranged in the MBR biochemical pond. The invention further discloses a sewage treatment method adopting the device. The method is resistant to high salinity, high in COD removal rate and remarkable in decoloration function, and the decoloration effect of wastewater high in treatment difficulty and the degradation effect of organic matter hard to degrade are remarkable. Moreover, the treatment cost is low, operation is simple, and the effluent quality index is stable; a composite biological enzyme obtained through the method can keep activity for a long term, and therefore the system has a long-lasting treatment effect.

The invention discloses a control method of a heat pump water heater, the heat pump water heater and a heat pump unit and belongs to the field of heat pump water heater devices and control methods thereof. The control method of the heat pump water heater, the heat pump water heater and the heat pump unit are designed in order to overcome the defect that protection on a compressor is not available in the prior art. The control method of the heat pump water heater includes the steps that the water flow value is controlled according to the water inlet temperature of a water side heat exchanger, the water flow value is increased along with increase of the water temperature, and the higher heating energy efficiency ratio COP can be obtained under the condition that reasonable loads of the compressor are guaranteed. The heat pump water heater for implementing the control method comprises a control device, a water pump and a thermal bulb, wherein the water pump and the thermal bulb are connected with the control device. The thermal bulb is arranged at the position of the water inlet end of the water side heat exchanger. The water pump is a variable-frequency water pump. According to the control method of the heat pump water heater, the heat pump water heater and the heat pump unit, the water flow value is controlled according to the water inlet temperature of the water side heat exchanger, and the higher heating energy efficiency ratio COP can be obtained under the condition that the reasonable loads of the compressor are guaranteed.

The invention provides a concentric double-layer sprayer, which has a hollow sleeve shape, wherein one end of the sprayer is provided with a medium inlet, and the other end of the sprayer is closed; a nozzle is arranged on a side wall of the sprayer and is a gap which is annularly formed along the circumference of the sprayer; and a secondary nozzle is arranged on the side wall of the sprayer along the length direction. The concentric double-layer sprayer is a novel sprayer suitable for a spraying device and is used for putting out a fire, diluting and covering leakage media and the like under temperature reduction, dust removing or emergency of equipment. A double-injection cavity and dual nozzles are arranged on the sprayer, so that concentric double-layer spraying is realized, and the aim of replacing or optimizing the sprayer of the spraying system is fulfilled. The sprayer has a wide spraying range; the spraying angle is adjustable, and different spraying angles and ranges on each layer can be realized; the concentric double-layer sprayer has the characteristics of large density of sprayed water mist, high water flow, and simple structure, is convenient to install and regulate, has an antifouling design and is hardly blocked, and the concentric double-layer sprayer is high in operating maintenance, attractive in spray appearance, and particularly suitable for overall coverage of large and medium equipment and devices.

The invention discloses field emergency water treatment equipment. The equipment mainly comprises a pre-treater and a drinking water treater, wherein the pre-treater is connected with a suction pipe capable of being put in a water source through a water pump; the rear of the pre-treater is connected to the drinking water treater through a pipeline and at least one drinking water pipe from which clean water can flow out is connected; a filter net capable of filtering to remove visible particles is arranged in the pre-treater; a strainer mainly made of at least one material of a metal net, a non-woven fabric, a plastic and asbestos and capable of filtering big particles is arranged on the head of the suction pipe; and the rear of the pre-treater is connected with the drinking water treater consisting of at least one filtration work chamber, one ultrafiltration work chamber and one ultraviolet sterilization work chamber. The equipment has the characteristics of convenient carrying, simple and convenient filtration, optional moving, no limitation for using environment, realization of filtering function by automatically controlling water pressure without requirements on power supply and water pressure, and the like.

The invention relates to a grate, in particular to a sewer active anti-blocking grate. According to the sewer active anti-blocking grate, residual of rainwater on the ground can be avoided, and pedestrian passing is not affected. According to the technical scheme, the sewer active anti-blocking grate comprises a grate body, a connecting plate, water storage frames, small water pipes, a water passing pipe, floating plates, supporting plates, mounting plates, driven chain rollers, chains, shifting rods, sliding rails, sliding blocks and the like; the water storage frames used for bearing the rainwater are connected to the left side and the right side of the bottom of the grate body through connecting plates correspondingly, the small water pipes used for draining are connected to the bottomsof the two water storage frames correspondingly, the two water storage frames communicate with each other through the water passing pipe, and the floating plates are arranged in the two water storageframes correspondingly. According to the sewer active anti-blocking grate, the shifting rods rotate counterclockwise to shift garbage on the grate body, the situation that the grate body is blocked by the garbage is avoided, thus residual of the rainwater on the ground can be avoided, and pedestrian passing is not affected; and the garbage can be collected through a collecting mechanism, and thegarbage is prevented from accumulating on a road.

The invention discloses a multifunctional control valve, which comprises a valve body, a cap, a valve rod, a fixed valve plate and a movable valve plate, the fixed valve plate and the movable valve plate are arranged in the valve body, and adopt end face rotary seal, the movable valve plate is connected with the valve rod, the control valve is provided with a raw water inlet, a clean water outlet, a drain connector, a first filter element connector and a second filter element connector, and the fixed valve plate is provided with a first filter element connector passage, a second filter element connector passage, a fifth through hole and a sixth through hole; in the control valve, the first filter element connector passage communicates with the first filter element connector, the second filter element connector passage communicates with the second filter element connector, the fifth through hole communicates with the clean water outlet, and the sixth through hole communicates with the drain connector; and the movable valve plate is provided with a water inlet passage which communicates with the raw water inlet, and is also provided with a communicating blind hole. The multifunctional control valve has the advantages that: the flow passage in the valve body is enlarged, so that water flow is enlarged, and raw water can be supplied during backward washing and forward washing.

A high power absorbing waveguide termination for a microwave transmission line has a power receiving end with a waveguide input port, an oversize waveguide section, and a transforming waveguide section for connecting the waveguide input port to the oversize waveguide. A dielectric taper disposed in the oversize waveguide section has a fluid passage therethrough to allow fluid, most suitably water, to sweep the taper and absorb microwave power introduced into the oversized waveguide section. Fluid is suitably fed into and extracted from the dielectric taper via a manifold end block at the back end of the oversize waveguide section. The taper is inclined relative to the center axis of the oversize waveguide section so as to position the point end of the taper in a region of very low electric field strength for the oversize waveguide section's fundamental mode. A power monitoring probe is optionally provided at the input port of the waveguide termination.

The invention discloses a waste water treatment system comprising a direct-current high-voltage pulse power supply, a direct-current high-voltage narrow pulse discharge system, a water injection system, an advanced oxidation reaction system, a water discharging system and a master control system, wherein strongly oxidized active substance is generated through the direct-current high-voltage narrow pulse discharge system and reacts with organics in the injected waste water to instantly oxidize the organics, so that macromolecule organics become micromolecule organics, micromolecule organics finally generate dioxide and water, and then the discharge standard is achieved.

The invention discloses an electrically-controlled automatic adjustable overflow weir intercepting well comprising a hollow well body. An adjustable arc overflow weir is disposed inside the well body. A telescopic bar is disposed inside the overflow weir. A combiner pipe, an intercepting trunk and an overflow pipe with an orifice tangent with the inner wall of the well body are connected to the well body. A top opening of the well body is covered with an intercepting well cover. The overflow weir is adjustable, the water level in the intercepting well can be controlled, and overflow can be controlled timely; in addition, the intercepting trunk buried is shallower than the traditional trunk, so that construction cost is reduced and construction is easier. The overflow weir is in an arc shape; therefore, on one hand, water passage length of the overflow weir is increased and water flow is increased under the same conditions; on the other hand, wastewater in the intercepting trunk flows by the intercepting well, the water passage section changes in short distance, water speed changes soon, disturbances occur, sinking of particles in the wastewater is disturbed, and sedimentation of sludge in the intercepting well is prevented.

A sustainable method and a system for cleaning impurities, mainly hydrogen sulphide, and upgrading of biogas having hydrogen sulphide concentration up to 2% (20,000 ppmv), preferably produced in wastewater treatment plants (WWTPs) to biomethane. The system includes a counter-current, non-pressurized physical absorption bubble column having a high influent liquid-to-gas flow ratio LI / G higher than 1 and preferably equal or higher than 3 and equal or lower than 10, for achieving a simultaneous removal of hydrogen sulphide and carbon dioxide. The system may be inserted for instance on an existing wastewater treatment plant, in such a way that the wash water is the primary treated wastewater of the plant, and preferably the biogas to be upgraded is produced in the anaerobic digesters of the plant itself, and also includes means for regenerating the used wash water by the biological reactor of the plant itself used for the secondary treatment.

The present invention provides a large-flow instant drinking machine. It includes the following several portions: drinking machine water inlet, drinking machine water outlet, pipeline and valve, flow-regulating device, pipeline electroheater and container electroheater. Said invention also provides the connection mode of all the above-mentioned portions and the working principle of said drinking machine.

The invention relates to cooling technology after the steel rolling production line in the metal processing field, in particular to a medium plate on-line quenching inclined jet flow cooler. The cooler consists of a box body, a damping plate, a cooling panel, nozzles and a water inlet flange; the coolers are arranged in a high-pressure quenching area before a controlled cooling process and between post-rolling conveying roller ways, and the coolers are also up and down symmetrically arranged and vertical to steel plates to be cooled; a plurality of rows of nozzles are obliquely distributed and staggered; and the height between the upper cooler and the steel plates are adjustable. The cooler has the characteristics that: the cooling range is large, the space between roller ways is not required, the width of the box body and the number of rows of nozzles of the cooler can be adjusted according to the space between roller ways and the cooling speed, the phenomenon that the warped steel plates are stuck between the gaps between the coolers and the roller ways is eliminated, and the steel plates are quickly and uniformly cooled so as to achieve the expected cooling effect.

The invention discloses an antibacterial microporous ceramic and a manufacturing method thereof. Micropores of the antibacterial microporous ceramic contain AgO solid particles. The manufacturing method comprises the following steps: soaking a microporous ceramic of which the filter precision is 1-100 micrometers in a 0.15 mol / L silver nitrate solution so that the silver nitrate solution infiltrates into the micropores, and drying; soaking the microporous ceramic in a 0.6-5.6 mol / L sodium hydroxide solution or potash solution so that the sodium hydroxide solution or potash solution infiltrates into the micropores; putting the microporous ceramic in a closed container, and introducing O3 gas of which the concentration is not less than 15 mg / L into the closed container for 1-8 hours; and finally, cleaning the microporous ceramic to obtain the antibacterial microporous ceramic. The antibacterial microporous ceramic disclosed by the invention is used for filtering drinking water, and has the advantages of favorable antibacterial property, small filtration resistance and low manufacturing cost.

The invention relates to the technical field of plasma application, and discloses a device for reacting discharge plasmas positioned on the gas-liquid interface of a swirl gas column. The discharge is generated on the gas-liquid interface of the swirl gas column. The device comprises a swirler, an electrode, a high-voltage power supply, a gas-liquid mixing pump, an air compressor and a water tank, wherein the swirler can form a gas column; the electrode is matched with the gas column; and the gas-liquid mixing pump provides a liquid to be treated, which is mixed with a gas-phase medium, for the swirler. According to the device, the liquid to be treated, which is mixed with a gas-phase medium, enters the swirler after being increased to a certain flow velocity, the gas column is generated under the action of centrifugal force, the discharge electrode is switched on with the high-voltage power supply and then generates a high-intensity electric field in a short-distance hollow cylinder positioned between the gas-liquid interface and the outer surface of the electrode, and the gas-phase medium positioned in the high-intensity electric field is activated and generates the phenomenon of annular glow discharge, so that the plasma is generated, and the energy consumption can be reduced to 5-15 W. The device provided by the invention has a function equivalent to directly placing an ozone generation part into the liquid to be treated in an ozone oxidation process and has the advantages of large treatment amount, low energy consumption, simple structure and easiness for popularization.

The invention discloses a spiral-wound film component, which comprises a central water production pipe and at least one water purification membrane set, wherein the at least one water purification membrane set is wound around the central water production pipe; the water purification membrane set comprises a water production diversion net, two plate type filter films and a raw water diversion net; a raw water flow channel is formed between the internal side surfaces of the two plate type filter films; a water production flow channel is formed between the external side surfaces of the two plate type filter films; the raw water diversion net is arranged in the raw water flow channel; the water production diversion net is arranged in the water production flow channel; and the thickness of the raw water diversion net is 0.18-0.35 mm. According to the invention, under the premise of ensuring that the minimum calculation flow speed of concentrated water is the same as that in the traditional scheme, the flow of concentrated water in the scheme provided by the invention is only one second to one third of the flow in the traditional scheme or even less; that is to say, the water-saving obvious is obvious; simultaneously, because the minimum calculation flow speed of concentrated water, which obviously influences blockage of a reverse osmosis film, is not decreased, the blockage prevention property of the reverse osmosis film is kept well or even improved.

The invention provides a pipe as well as a preparation method and a purpose of the pipe. The pipe consists of an outer layer, a middle layer and an inner layer and has the recipe that the outer layer comprises PPR (polypropylene randon coplymer) polypropylene, PP-B (polypropylene block copolymer pipe) polypropylene and beta-nucleating agents, the middle layer comprises PPR polypropylene, PP-B polypropylene, beta-nucleating agents and nanometer calcium carbonate, an inner layer comprises PPR polypropylene, PP-B polypropylene, silver ion nanometer antibacterial masterbatch and beta-nucleating agents. The preparation comprises the step that stirring is carried out, stirred materials are added into a mold with a three-layer structure and are extruded under the condition that the mold temperature is 195 to 205 DEG C, and the screw rod temperature is 175 to 210 DEG C, the post treatment is carried out, and the pipe is obtained. The pipe has the advantages that the unique high-intensity crystal structure is realized, the pressure bearing capability and the high temperature resistance capability of a pipeline system are optimized, the creep resistance capability of the pipeline is greatly improved, and the fifty-year long-period hydrostatic stress at 70 DEG C reaches 5.0MPa.

The invention provides an engine cooling system. The engine cooling system comprises an engine cylinder body, a cylinder body water sleeve, a cylinder cover water sleeve, a temperature conditioning device, a heating and ventilating device, an engine oil cooler and a water storing kettle. According to the engine cooling system, a switch is controlled based on the selection of the temperature conditioner, and the flowing direction of cooling water can be switched based on the load of an engine, so that rapid machine heating and oil consumption reducing can be realized; the cylinder cover water sleeve and the cylinder body water sleeve are connected in series in the engine cold starting stage, and the cooling water can be heated twice in one circulation, so that the temperature increasing speed of the cooling water is maximized; in addition, the oil cooler performs heat exchanging, so that the temperature of engine oil can be rapidly increased, the frictional power of the engine is reduced, and the oil consumption and emission can be reduced; the cylinder cover water sleeve and the cylinder body water sleeve are connected in parallel in the high-temperature engine heating and high-temperature stages, the water flow rate of the engine is increased to the maximum, and the water flow rate of the cylinder body and the cylinder cover can be controlled, so that the cylinder body and thecylinder cover can reach the optimal temperature, and as a result, engine knocking can be reduced, and the oil consumption can be decreased.

The bloodless liver exsector has one exsector head, one water control button connected through water pipeline to the exsector head, one main control button connected through wires to the exsector head, one power source with circuit board, one suction tube set in the front end of the exsector head, one suction cap covering the front end of the exsector bar and communicated with the suction tube and one flushing tube. During operation, the suction cap with negative pressure sucks out the liquid and other rabbish in the operational view field, and the liver exsector exsects liver tissue while blocking small blood vessels and coagulating electrically for hemostasis. The operation process has clear view field and is safe, and the bloodless liver exsector has compact structure, small size and easy operation.

The invention relates to the technical field of household electric appliances used in a kitchen and in particular relates to a dish washer comprising a case body and a liner. The lower part of the liner is provided with a water collection groove; a spiral propeller is disposed in the water collection groove; cleaning liquid in the water collection groove is driven by rotation of the spiral propeller to form high speed projecting water flows, so tableware over the water collection groove can be cleaned; high speed rotation of the spiral propeller enables water flows to be projected out of cleaning liquid surface at high speed in a tapered shape; impact to the tableware surfaces can be achieved; large water flow and great impact as well as strong water flow force are provided; washing time is shortened; great cleaning effect is provided for tableware with great depth; during the washing, the spiral propeller is at least partially arranged in the cleaning liquid, so cleaning liquid can be propelled and form high speed water flow projection and less water amount is required; and the dish washer is simply structured and reliable, possesses great cleaning effect and requires low production cost.

The invention provides a hydraulic junction facility. The structure of the hydraulic junction facility comprises a vertical well type spillway, a horn mouth, a transition segment, a vertical well, an axial line of the vertical well, a pressing slope segment, an energy dissipation well, an annealing tunnel, water taking inclined culverts, water inlets, flap valves, rubber water-stop belts, a breather pipe, a water diversion branch hole, irrigation channels, an annealing tunnel outlet gate, a gate pier, a gate hoist, bank slope bed rocks, an earth and rockfill dam, a reservoir area (the upstream) and riverways (the downstream). In the low water level, inclined lying culvert pipes are utilized to carried out water taking, energy dissipation and water conveying are achieved by utilizing the vertical well type spillway, the annealing tunnel outlet gate is closed to raise a waterhead, the irrigation elevation is increased, and the water using requirement in the downstream is met. The inclined lying culvert pipes are connected with the vertical well type spillway, the vertical well type spillway is utilized to replace a culvert pipe arranged on the lower portion of a dam, and the adverse influence on the culvert pipe arranged on the lower portion of the dam is avoided.

The invention discloses a road well lid for sewage treatment with self-adjusting water flow amount, and relates to the technical field of sewage treatment. The road well lid comprises a well lid, wherein the middle of the well lid is movably connected with a movable plate, the inner top wall of the movable plate is fixedly connected with a floating plate, a groove is formed in the middle of the movable plate, and water inlet holes which are uniformly distributed and extend into the middle of the groove are formed in the outer side of the movable plate. According to the road well lid for sewagetreatment with self-adjusting water flow amount, through cooperative use of the floating plate and the water inlet holes, in the initial state, the movable plate retracts into the well lid under theaction of a spring, and when the water quantity of a road is too large, the buoyancy of the floating plate drives the movable plate to move upwards, so that the rainwater on the road is discharged into the sewer through the water inlet holes on the outer side of the movable plate; and the larger the water quantity is, the larger the distance that the floating plate drives the movable plate to moveupwards is, the more part leaking out of the water inlet hole is, and the larger the water inlet amount is, so that the effect of self-adjusting the water inlet amount is achieved; and the corresponding adjustment is carried out according to the rain water amount, and the road accumulated water is effectively solved.