46results about How to "Improve water intake efficiency" patented technology

The invention provides an annular radial-flow negative-pressure suction internal loop photoelectric catalytic reactor, comprising a photoelectric catalysis oxidation reaction system and an annular radial-flow negative-pressure suction internal loop water inlet system, wherein the photoelectric catalysis oxidation reaction system comprises a plate-type tubular DSA anode and a mesh-type tubular titanium cathode; a granular photoelectric catalyst is filled between the anode and the cathode; an ultraviolet generator is arranged in the mesh-type tubular titanium cathode; the annular radial-flow negative-pressure suction internal loop water inlet system is arranged at the lower part of the photoelectric catalysis oxidation reaction system; a liquid injection pipe is arranged at the center of the water inlet system; a plurality of pipelines with adjustable lengths are arranged at a bottleneck of the liquid injection pipe; the liquid injection pipe is communicated with an annular radial-flow water feeder which is densely distributed with constant-diameter round holes in a bottom region of the reactor; a gas injection pipe is arranged at the top of the reactor; an air inlet of the gas injection pipe is connected with a compressed air pump; an air outlet is connected with the atmosphere; the bottleneck is connected with an exhaust pipe at the top of the reactor; and hydrogen generated in the reactor is diluted and discharged.

The invention relates to the field of washing facilities, especially to an upper cover of a washing machine and the washing machine. The upper cover comprises an independent water inlet chamber formed by a top cover (1) and a bottom cover (2), wherein the top cover (1) is connected with the bottom cover (2) or a disc seat (12) of the washing machine in an openable manner, spraying holes (52) communicating with a washing tube of the washing machine are arranged in the bottom cover (2), and the upper cover of the washing machine is installed on the disc seat (12) above the housing of the washing machine. Washing water of the washing machine flows and is injected water into a washing tub from the upper cover, and the purposes of uniform water spraying and cloth wet uniformity are realized. The upper cover has an openable structure, the water inlet chamber can be opened, and washing agent and / or softener can be added to the water inlet chamber. The upper cover integrates the function of a washing agent box. The upper cover is simple in structure, excellent in effect and worthy of promotion.

The invention relates to the technical field of water treatment, in particular to a water purification dispenser. The water purification dispenser comprises a raw water tank, a water treatment unit and a water purification tank. A drainage opening of the raw water tank is connected with a water inlet of the water treatment unit. The water treatment unit comprises two reserve osmosis membrane treatment filter elements connected in parallel. The two reverse osmosis membrane treatment filter elements each comprise a purified water outlet and a concentrated water outlet. The purified water outlets of the two reverse osmosis membrane treatment filter elements are connected with the water purification tank. Due to the fact that the two reverse osmosis membrane treatment filter elements are connected in parallel, the water purification flow can be increased, and the water inlet efficiency is improved.

The invention provides a cooking utensil. The cooking utensil comprises an upper cover, an inner pot, a telescoping device and a conveying device, wherein the inner pot is positioned below the upper cover; the telescoping device is mounted on the upper cover, and can perform telescoping movement between the upper cover and the inner pot; and the conveying device is matched with the telescoping device, and comprises a conveying pipe communicating with the inner pot and a conveying part communicating with the conveying pipe and positioned below the telescoping device, and the conveying part canmove to the bottom of the inner pot under the driving of the telescoping device for conveying airflow to the inner pot and / or conveying air flow to the inner pot and / or discharging dirt in the inner pot. With the cooking utensil, the automatic water inlet and water drainage and / or automatic air inlet and air exhaust functions can be realized, so that the automation degree in automatically washingrice of the cooking utensil is greatly improved, and further, the use convenience of a user is improved; and meanwhile, the telescoping device can move upwards for realizing resetting after finishingthe work, and thus the follow-up cooking process or other work procedures can not be influenced.

The invention discloses a water feeding box, a roller washing machine and a water feeding and spraying control method of the washing machine. The water feeding box includes an upper cover and a lowercover. The wall body of a water feeding end of the lower cover is provided with a water inlet, the wall body of the other end of the lower cover is provided with a water outlet, and the lower cover isinternally provided with a water inlet channel communicated with the water inlet and the water outlet. Through adoption of the water feeding box, the roller washing machine and the water feeding andspraying control method of the washing machine, the length of a rubber tube is greatly reduced to save materials and decrease the cost; the combination of parts is simple and precise, the assembling time of the washing machine is saved, the working efficiency is improved, and meanwhile, the malfunction occurrence rate of the washing machine is reduced. By using the water feeding and spraying control method, before the washing machine is turned on for rinsing and dehydration, water is sprayed on a glass bowl and a door sealing part of a door of the washing machine for flushing and cleaning to prevent germs from generating.

The invention relates to a moving bed biofilm reactor deposition integrated denitrification reaction tower. The moving bed biofilm reactor deposition integrated denitrification reaction tower comprises a moving bed biofilm reactor and a deposition pool arranged at the periphery of the side wall of the moving bed biofilm reactor, the moving bed biofilm reactor is loaded with suspended filler, an aeration device is arranged at the edge of the bottom, a jet flow water distributor is further arranged in the center of the bottom, a water inlet is formed, a deposition pool inlet is further formed inthe side wall, a sludge reflowing opening is formed below the deposition pool, sludge flowing out of the sludge reflowing opening is mixed with inlet water, is afterwards jetted out of the edge of the bottom of the moving bed biofilm reactor through the jet flow water distributor and is then in contact with the suspended filler to form mixed liquid, and then through upward lifting of the aerationdevice, a hydraulic circulation denitrification environment of aerobic and anoxic alternating is formed. The deposition function is integrated while efficient denitrification is achieved, the technical problems that the suspended filler in the tower-type denitrification reactor is easily lost and running and flowing are not uniform are solved, the structure is compact, the occupied area is small,running is simple, timely power-free sludge reflowing is achieved, and energy is obviously saved.

The invention relates to the technical field of sewage treatment, in particular to a sewage treatment device based on electrochemical and biological filtration. The sewage treatment device comprises a water inlet pipe, wherein a filter assembly is arranged in the middle of the water inlet pipe, an electrochemical reaction tank is communicated with the right end of the water inlet pipe, a sedimentation tank is arranged at the right end of the electrochemical reaction tank, a biological filter tank is arranged at the right end of the sedimentation tank, a clean water tank is arranged at the right end of the biological filter tank, and the filter assembly comprises a filter screen. According to the invention, impurities and garbage in raw water are blocked through a filter screen, penetrate through a through groove, fall into a collecting box, enter a collecting frame to be collected and are subjected to electrochemical reaction treatment through a pole plate after entering an electrochemical reaction tank, the treated water enters a sedimentation tank to be settled, and sludge is discharged to the outside through a discharging pipe through an auger, so that the sewage is subjected to electrochemical reaction treatment and then biological treatment, synchronous use of the two methods is facilitated, the purification efficiency of sewage treatment is remarkably improved, the quality of treated water is better, and the use effect of sewage treatment is better.

The invention relates to an automobile accessory cleaning device and an application method thereof. The automobile accessory cleaning device comprises a cleaning barrel, a water supply mechanism is connected to the top of the cleaning barrel, a water outlet pipe is connected belowthe cleaning barrel, a first electromagnetic valve is connected to the water outlet pipe, the bottom of the cleaning barrel is connected with lifting mechanisms, a screen groove is connected on the lifting mechanisms, a feeding port is connectedto the cleaning barrel, the side wall, far away from the feeding port, ofthe screen groove is hinged to the groove bottom of the screen groove, a discharging port is formed in the portion, opposite to a feeding mechanism, of the barrel wall of the cleaning barrel, a sealing door is connected to the discharging port, and an exhaust port is formed in a drying bin. According to the provided automobile accessory cleaning device, in the process of cleaning automobile accessories by the automobile accessory cleaning device, the device is high in cleaning efficiency, good in cleaning effect andfree of damage to workers, and has the functions of achieving environmental protection and full recycling of resources.

The invention discloses a salt removing underground pipe for a saline-alkali land in the technical field of salt removal of saline-alkali lands. The salt removing underground pipe comprises a pipeline main body, wherein a water seepage layer is symmetrically arranged on upper and lower sides of the pipeline main body, and the surface of the water seepage layer is provided with water seepage holes; the surface of a dressing layer is provided with plugholes; and a water filtering device is arranged at the top of the pipeline main body. Compared with an existing salt removing underground pipe for the saline-alkali land, the salt removing underground pipe disclosed by the invention is additionally provided with the water filtering device and a water filtering wing on an original underground pipe main body, so that the contact area between soil and a pipeline body can be increased, and the water filtering area during water filtering operation is bigger; a mode that the water seepage holes in the wall of the pipeline main body, the water filtering device above the pipe main body and the water filtering wing are used for leading water into an inner cavity of the pipeline main body replaces a mode that only the water seepage holes in the pipeline main body are used for leading water into the pipeline main body in the prior art, so that the contact area between the soil and the pipeline can be increased, the salt removal efficiency is improved; and a support layer is used for supporting a filter screen and a sandstone packing layer.

The invention provides a water heater. The water heater comprises a liner, a water inlet interface, a water outlet interface and a pipe body, wherein the pipe body is connected to the liner, the pipebody is internally provided with a first insulating runner and a second insulating runner, the first insulating runner communicates with the water inlet interface and a containing space, and the second insulating runner communicates with the water outlet interface and the containing space. The water heater has the advantages that water inflow and water outflow are simultaneously realized by utilizing one pipe body, so that the function of the pipe body is increased, the number of pipes is decreased compared with that of an existing scheme of an independent water inlet pipe and water outlet pipe, the structure between the pipe body and the liner is simpler, the assembly is more convenient, the assembly time is conveniently shortened, the cost is lowered, understandably, each additional pipeconnected to the liner correspondingly increases the risk of water leakage, the pipe body is connected to the liner, so that the water leakage risk is greatly reduced, the reliability of a product isimproved, in addition, the two runners are insulating runners, the electric leakage risk is reduced, and the use safety of the product is improved.

The invention discloses an automatic irrigation device, which comprises a water storage tank arranged above a high-slope frame beam, a main inlet pipe, a cover plate, a Y-type filter and a water release pipe. The cover plate is movably connected above the water storage tank. The upper end of the side of the water storage tank is fixedly connected with the water release pipe. The upper pipe mouth of the water release pipe is located below the cover plate. The main inlet pipe of the water storage tank is in pipe connection with the end of a chute. The middle of the pipeline of the main inlet pipe is connected with the Y-type filter. The automatic irrigation device further comprises a drainage pipe, a drainage valve, an irrigation branch pipe component, a sewage discharge pipe and a sewage discharge valve. Gravity irrigation is carried out based on the height difference in water level. The automatic irrigation device is economical, applicable, water-saving, material-saving, land-saving and electricity-saving, and conforms to the concept of green and environment-friendly irrigation.

The invention discloses an upright surface-mounted improved pipeline and surface cooler type fan coil unit, comprising a shell, bases, a mounting plate I, a mounting plate II, an air inlet plate, an air outlet plate, an electric controller, a surface cooling device, an improved pipeline structure, a motor device, a condensed water disc, an outside pipe water disc and a wiring terminal; the motor device consists of a motor, a motor mounting plate, a coupling rod and a fan, the surface cooling device consists of a surface cooler, water outlet pipes and water inlet pipes, two groups of the water inlet pipes and two groups of the water outlet pipes are arranged, each group of water outlet pipes is connected to the surface cooler by a pipe, each group of water inlet pipes is connected to the surface cooler by three pipes, the improved pipeline structure consists of water inlet pipelines, water outlet pipelines, a water inlet valve and a water outlet valve, and two groups of the water inlet pipelines and two groups of the water outlet pipelines are arranged. The water inlet and outlet pipes are provided with the water inlet valve and the water outlet valve, the valves are controlled by the electric controller to be opened and closed so as to control a water flow volume, and the connecting pipe quantity of each group of the water inlet and outlet water pipes can improve water outlet efficiency and water inlet efficiency and improve refrigerating or heating efficiency.

The invention discloses a mixing conveyor and a delivery device for delivering washing agents and a washing machine. The mixing conveyor comprises a mixing conveyor body. A water flow channel, a mixing channel, a washing agent channel and a flow dividing channel are formed in the mixing conveyor body, the mixing channel is connected to the downstream of the water flow channel in the water flow direction and communicates with the water flow channel, the washing agent channel communicates with the mixing channel, the flow dividing channel communicates with the water flow channel, the washing agents are suitable for flowing into the mixing channel through the washing agent channel, and the water flow channel is suitable for introducing water flow. According to the mixing conveyor, the flow dividing channel communicating with the water flow channel is formed in the mixing conveyor body, the water inlet efficiency of the washing machine can be improved, when the water inlet pressure is toolarge, the flow dividing channel can play a role in flow dividing and pressure relief, and the risk that a water inlet pipe of the washing machine is damaged due to overlarge water pressure can be reduced.

The upper and lower double-water-inlet vibration water pump comprises an outer shell, the outer shell comprises an upper cover, a machine barrel and a lower cover, an upper water inlet hole and a water outlet are formed in the upper cover, a lower water inlet hole is formed in the lower cover, a first one-way valve is arranged at the position of the upper water inlet hole in the upper cover, and a second one-way valve is arranged at the position of the lower water inlet hole in the lower cover; an upper water chamber communicated with the upper water inlet hole and the water outlet is arranged in the upper cover, a lower water chamber communicated with the lower water inlet hole is arranged in the lower cover, a through hole flow channel communicated with the upper water chamber and the lower water chamber is arranged in the machine barrel, and a first impeller is arranged at the position, corresponding to the first one-way valve, in the upper water chamber. A second impeller is arranged in the lower water chamber corresponding to the second one-way valve, and a power assembly capable of driving the first impeller and the second impeller to swing back and forth is arranged in the machine barrel. The water pump is simple in structure, reasonable in design and capable of achieving two-way water inflow, the water inflow efficiency of the water pump is further improved, and then the water yield and the water outflow stability are improved.

The invention is applicable to the field of sewage treatment, and provides an anti-blocking water feeding device for recycling peeling wastewater of a paper mill. The device comprises a supporting assembly and a cleaning assembly, wherein the supporting assembly comprises a supporting frame, a transverse rod, fixing frames and a sliding rod, the transverse rod is fixedly connected to the supporting frame, and the transverse rod is located on the inner side of the supporting frame; fan blades can rotate along with the flowing of water, and therefore, a scraping plate which is rotatably connected to the fan blades through a rotating shaft moves, and through a transverse sliding groove in the sliding rod and a vertical sliding groove in the scraping plate, impurities such as fibers on the transverse rod can be scraped to the two sides of the transverse rod by the scraping plate, and are collected by the fixing frames and filter screens which are arranged on the two sides of the transverserod, so that the transverse rod at the water inlet is convenient to clean, the fibers are prevented from being blocked by the transverse rod at the water inlet to cause blockage, the water feeding efficiency is improved, and the sewage recycling treatment difficulty is reduced.

The invention belongs to the field of water storage tanks, and discloses a high-pressure water storage tank which comprises a power mechanism, a cover body, an outer tank body, a base, a drainage mechanism, an outer cavity, an inner cavity, a filtering mechanism, a cleaning mechanism, a water inlet mechanism and an inner tank body. The inner tank body for storing water is mounted in the outer tank body; a filtering mechanism is mounted between the outer tank body and the inner tank body; high-pressure water is doubly filtered by a filter screen and a corrugated pipe, so that impurities in water entering the inner tank body are few, a connecting rod is driven by rotation of a supporting column to scrape the inner side wall of the corrugated pipe, and meanwhile, the inner side wall of the corrugated pipe is scraped by the connecting rod. The connecting rods staggered left and right are beneficial to cleaning the upper and lower parts of the corrugated pipe, and meanwhile, the corrugated pipe and the filter screen are backwashed, so that the service life of the filter screen is prolonged, and the cleaning efficiency of the water storage tank is improved.

The invention discloses a base plate pressure reducing device which comprises a pressure reducing valve and a water filtering pipeline. The water filtering pipeline is composed of a columnar pipeline, a conical-barrel-shaped water inlet and a water filtering screen covering the conical-barrel-shaped water inlet; a lower end opening of the columnar pipeline is communicated with the conical top of the conical-barrel-shaped water inlet in a butting mode; an upper end opening of the columnar pipeline is communicated with a water inlet of the pressure reducing valve in a threaded butting mode; a ring of an annular water stop plate is arranged on the outer wall of the columnar pipeline, and the plate surface of the annular water stop plate is perpendicular to the axis of the columnar pipeline. According to the base plate pressure reducing device, water draining and pressure reducing can be performed in real time in the foundation pit construction process, the sealing property is good, and a better application prospect is achieved.

The invention discloses a double-filtering back-flushing self-decontamination water taking device which comprises a water taking opening. The water taking opening penetrates through a dam and is provided with a filtering device. The water taking opening is connected with a water taking pipe. A back-flushing pipe is arranged on the water taking pipe. Back-flushing supercharging devices are arranged on the water taking pipe and the back-flushing pipe. The water taking opening is in a loudspeaker shape. One end, with small opening diameter, of the water taking opening is arranged in the dam. The filtering device comprises a coarse filtering screen and a fine filtering screen. One end, with large opening diameter, of the water taking opening is provided with the coarse filtering screen. The fine filtering screen is arranged in the middle of the water taking opening. According to the double-filtering back-flushing self-decontamination water taking device, the problems that in the prior art, a water taking opening filtering screen is blocked, decontamination difficulty is high, and equipment normal operation is affected are solved. The reliability and the safety of water supply system equipment operation are greatly improved, the fact that a unit can generate much power safely and continuously, and the power generation efficiency of an enterprise is improved.

The invention discloses a sewage discharging method of a water heater. The sewage discharging method comprises the following steps: opening a sewage discharging pipe when the water heater is under the sewage discharging operation; opening a suction-exhaust valve, and enabling the water in a liner to be continuously discharged from the sewage discharging pipe; opening an exhaust valve and a water inlet valve when water enters the liner, and enabling the air above the liner to be discharged via the suction-exhaust valve through a water outlet pipe. According to the sewage discharging method, the suction-exhaust valve is arranged at the water outlet pipe, when the water heater is under the sewage discharging operation, the air can be introduced into the liner via the water outlet pipe through the suction-exhaust valve, so that the sewage discharging efficiency of the water heater is improved; when the water is introduced into the water heater, the air in the liner can be discharged via the suction-exhaust valve through the water outlet pipe, so that the water inlet efficiency of the water heater can be improved.

The invention provides a solar energy seawater desalination device which comprises an automatic control system, two sets of filtering systems, a wind-solar complementary power generation system, a plurality of sets of solar energy heating systems and a negative pressure evaporation and condensation system matched with the solar energy heating systems, wherein the negative pressure evaporation andcondensation system is connected with a fresh water collection tank through a water pipe. The normal temperature seawater extracted from the sea level is heated by a solar heater and then condensed with low-temperature seawater pumped out from deep wells on the seabed, the condensation efficiency is high, the water yield is high and the efficiency is at least ten times than that of the conventional solar evaporators. Compared with the reverse osmosis technology, the investment cost is low and the condensed solar heated seawater passes through the heat energy recovery device to heat the seawater entering the solar energy so that the seawater inlet temperature and the solar energy heating efficiency are improved and the condensed seawater finally returns to the sea without polluting the environment.

The invention relates to a middle water inflow pump in pipe. The middle water inflow pump in pipe comprises a submersible motor connecting plate and further comprises a water outflow adapter, a roundinside and square outside flange, a fastening sealing part, a sleeve, a water inlet, a guiding partition, a line outlet, a semicircular guiding adhesive tape, the submersible motor connecting plate, U-shaped damping and guiding adhesive tapes, an end blind plate with a flange and an overhead motor support. A groove for being connected with an external pipeline is formed in the upper end of the water outflow adapter, an internal threaded coupling for being connected with a deep well submersible pump is arranged at the lower end of the water outflow adapter, and the round inside and square outside flange is welded to the middle of the water outflow adapter. The two U-shaped damping and guiding adhesive tapes are symmetrically arranged on the outer wall of the motor in the axial direction, and the end blind plate with the flange is arranged at the lower end of the sleeve. The overhead motor support is arranged on the end blind plate with the flange and located in the sleeve. The heat dissipation efficiency of the motor is improved, the pump head is increased, and the middle water inflow pump in pipe can be widely applied to the technical field of water pumps.

The invention discloses a filter device. The filter device comprises a filter piece and a floating piece; the filter piece is suitable for communicating with a water sucking port of a water sucking pipe, and is used for filtering water before the water enters the water sucking port; and the floating piece can float in the water, and is connected with the filter piece through a connecting piece for pulling the filter piece to enable the filter piece to locate on a middle layer of the water. The filter device connects the filter piece with the floating piece, and uses the floating piece for controlling the filter piece to locate on the middle layer of the water; and as impurities in the water on the middle layer are fewer, the filter device is faster in water filter speed, and needs no frequent cleaning.

The invention relates to a flow guiding shell of a submerged pump and belongs to the technical field of submerged pumps. The flow guiding shell of the submerged pump comprises an outer shell body and a bearing frame. The upper portion of the outer shell body is in a flange shape. A boss is arranged on the lower portion of the outer shell body. The bearing frame is located on the lower portion of the interior of the outer shell body. The outer shell body comprises a ceramic tube, a rubber layer and a metal layer, wherein the ceramic tube, the rubber layer and the metal layer are attached to one another in sequence from inside to outside. By the adoption of the flow guiding shell, the water inflow efficiency of the submerged pump can be greatly improved.

The invention discloses an efficient energy-saving pressure regulating water pump, and relates to the technical field of water pumps. The efficient energy-saving pressure regulating water pump comprises a shell, a motor and a controller are arranged outside the shell, and a first booster cavity and a second booster cavity are formed in the two sides of the interior of the shell respectively. Drainage cavities are formed in the positions, located on the two sides of the first booster cavity and the second booster cavity, in the shell, a first gear and a second gear are arranged in the first booster cavity, a third gear and a fourth gear are arranged in the second booster cavity, and the first gear and the second gear are in meshed connection through gear teeth. When the efficient energy-saving pressure regulating water pump is used, under the combined action of the controller, a motor, a clutch, a first shaft rod or a second shaft rod, parts in the two booster cavities can work simultaneously or at different time, so that the overall power of the water pump and the working duration of the parts for pressurizing water flow are changed, and the service life of the parts is prolonged while the water pump saves energy.

The invention belongs to the technical field of sanitary landfill of refuse, and discloses a built-in leachate collection and discharge modular pump station device for a refuse landfill. The device adopts a sectional modular design and mainly comprises a water collection section, a water inlet section, a well barrel section and a wellhead section, wherein a water pump fixed mounting platform and a mud pit are arranged at the bottom of the water collecting section; the water inlet holes are evenly distributed in the side wall of the water inlet section, so that a pump station water inlet pipe does not need to be additionally arranged, leachate is collected through the leachate guiding and discharging layer and then enters the water collecting section through the water inlet section, and the design of the landfill leachate collecting, guiding and discharging pump station is simplified. The well barrel section is designed in a segmented mode, and therefore the height of the well barrel can be gradually increased according to the landfill condition so as to adapt to rising of a landfill pile body. The arrangement position of the pump station is changed into a built-in type from a traditional external type, so that the percolate guiding and discharging pipe is prevented from penetrating through a side slope impermeable layer of the landfill, the percolation risk in the percolate collecting, guiding and discharging process is reduced, and meanwhile, the purposes of optimizing the design of a guiding and discharging system and reducing the construction cost can be achieved.

The invention relates to a flow guiding shell of a submerged pump and belongs to the technical field of submerged pumps. The flow guiding shell of the submerged pump comprises an outer shell body and a bearing frame. The upper portion of the outer shell body is in a flange shape. A boss is arranged on the lower portion of the outer shell body. A locating groove located in the boss is formed in the lower portion of the interior of the outer shell body. The bearing frame is embedded into the locating groove. The outer shell body is made of ceramics. The outer surface of the outer shell body is wrapped in a rubber layer. By the adoption of the flow guiding shell, the water inflow efficiency of the submerged pump can be greatly improved.

The invention discloses reverse osmosis water purifying equipment. The equipment comprises an equipment body, wherein a heating box is arranged in the equipment body; the outer surface of the heatingbox is sleeved with a fixed ring; the outer surface of the fixed ring is fixedly connected with a fixed rod; the end, away from the fixed ring, of the fixed rod is fixedly connected with the inner side wall of the equipment body; the outer surface of the heating box is fixedly hinged with a residue discharge door through a hinge shaft; the inner side wall of the heating box is fixedly connected with a heating pipe; air outlet holes arranged at equal distance are formed in the top end of the heating box; the inner side wall of the equipment body is fixedly connected with a water leak hopper; the inner bottom wall of the equipment body is fixedly connected with a water storage tank; the bottom surface of the water leak hopper is fixedly communicated with a water leak pipe; the bottom end ofthe water leak pipe penetrates the upper surface of the water storage tank and extends into the water storage tank; a drain pipe is arranged in the water storage tank. The reverse osmosis water purifying equipment has the advantages of simple structure, high applicability and high filtering efficiency.

The invention relates to the technical field of ship tools, in particular to an efficient water feeding device for a ship. The efficient water feeding device comprises a frame for being connected with a sea valve box, and further comprises a front grating plate and a back grating plate which are connected with the two ends of the frame respectively. Triangle space is formed by the frame, the front grating plate and the back grating plate, a certain front inclination angle is formed between the front grating plate and the frame, a certain back inclination angle is formed between the back grating plate and the frame, and a water intercepting plate for catching water is further arranged at the connecting portion between the front grating plate and the back grating plate, and is located in the triangle space. By means of the efficient water feeding device, the water feeding efficiency of the sea valve box can be effectively improved, and particularly, when the ship is in the high-speed shipping state, whether the ship is in the advancing working condition or in the retrogressing working condition, efficient water feeding can be achieved, the water requirement of all devices and all systems of a water-draining-type high-speed ship is met, and it is guaranteed that the ship is in the airworthiness state; meanwhile, large sundries can be stopped from entering a seawater valve box, the preliminary filter effect is achieved, and the powerful guarantee is provided for the high shipping speed and the safety of the ship.

The invention discloses a direct injection type spraying arm-free cleaning machine which comprises a water tank body provided with a cover plate and a water outlet, wherein a bottom water storage tankis mounted at the bottom of the water tank body; a water storage tank cylinder body is arranged on the water storage tank; the inner diameter of the water storage tank cylinder body is greater than or equal to that of the water outlet; one end of the water storage tank cylinder body protrudes from the bottom of a bottom water storage tank, the other end is abutted against the water tank body; a plurality of bottom spraying holes communicated with the water tank body and the bottom water storage tank are formed in the bottom of the water tank body; bottom spraying holes are distributed in thewhole surface of the bottom of the water tank body; a water storage tank water inlet pipe communicated with a cleaning water pump water inlet pipe is arranged on the bottom water storage tank; and a water storage tank water outlet pipe communicated with a cleaning water pump water returning pipe and a drainage pipe communicated with a drainage pump are arranged on the water storage tank cylinder body. The direct injection type spraying arm-free cleaning machine can clean objects to-be-cleaned without dead angles, has a good cleaning effect and high cleaning efficiency, dispenses with pre-storage of water to reduce water consumption, needs no spraying arm structure, and improves the space utilization rate of the water tank body.