42results about How to "Large water supply" patented technology

The invention belongs to the technical field of seawater desalting and water treatment and relates to a washing method for preventing a reverse osmosis membrane or a nano-filtration membrane from being polluted. The washing method comprises the following steps of: firstly carrying out gas-water two-phase flow washing or simultaneous chemical washing; then extracting reverse osmosis concentrated water to wash the surface of the reverse osmosis membrane; discharging the reverse osmosis concentrated water through a concentrated water discharging valve; then, conveying pretreated water to a reverse osmosis module and displacing and discharging washing concentrated water on a reverse osmosis concentrated water side until the conductivity is recovered to 98% of the conductivity of the pretreated water; finally, closing a washing water discharging valve and opening the concentrated water discharging valve to recover normal operation of the reverse osmosis module; and sequentially washing other sets of reverse osmosis modules. The washing method disclosed by the invention is reliable in process, simple and convenient to operate, lower in energy consumption, good in economic benefits and social benefits, and environment-friendly.

The invention discloses a washing machine which comprises the following components: a washing agent container; a filler cover that that fills the washing agent container; a washing agent dispenser housing; and a water supply path with one end communicates with a water supply valve and the other end communicates with a water barrel. The washing agent container comprises the following components: a washing agent container; an inlet path that communicates with space of the washing agent; a concave reclamation groove with a bottom on drawing out direction of the washing agent container; and a reclamation passage communicates with the reclamation groove. The reclamation passage communicates with the inlet path. With such structure, problem of leak in drawing out direction of the washing agent container can be solved, water supply quantity to the washing agent container can be increased, and washing agent residence when supplying water at low pressure can be solved.

The invention provides a refrigerator provided with an automatic ice maker using an ice tray making ice with favorable appearance, and capable of providing a suitable water supply amount even when the water supply amount is variable. The refrigerator is provided with the automatic ice maker carrying out ice making by supplying water in a water supply tank installed in a refrigeration chamber to the ice tray installed in a freezing chamber. In the ice tray, a longitudinal direction is partitioned into a plurality of rows by perpendicular partition walls, and each row partitioned by the perpendicular partition walls is partitioned into a plurality of ice making blocks by a lateral partition wall. A driving part is provided for turning the ice tray around a center axis between one row and another row of the plurality of partitioned rows, an outer wall of the ice making block is composed to abut at a plurality of portions on a circle formed by a turning locus of the ice tray turning around the center axis, and wall parts other than the outer wall of the ice making block are also shaped to match the outer wall shape to form the ice making block in a polygonal shape.

The invention provides a seawater desalination system containing multiple distributed energy resources and an energy coupling system achieving multi-energy co-production. The seawater desalination system comprises a photovoltaic power generation system, a wind power generation system, a groove type solar thermal system, a low-temperature multiple-effect seawater desalination system, a seawater desalination thermal load system, an electrical energy storing system and a microgrid system; the microgrid system is connected with the photovoltaic power generation system, the wind power generation system, the groove type solar thermal system, the low-temperature multiple-effect seawater desalination system, the seawater desalination thermal load system and the electrical energy storing system separately, and the groove type solar thermal system is connected with the low-temperature multiple-effect seawater desalination system and the seawater desalination thermal load system separately. Photovoltaic power generation and wind power generation provides energy for a water pump circulation system of a photothermal solar energy thermal system, is a thermal cycle thermal mass heating source and provides sustained and stable energy for seawater desalination. The water supply quantity of seawater desalination equipment can be greatly increased by means of the photovoltaic power generation system, the solar thermal power generation system the wind power generation system. The energy coupling system achieving multi-energy co-production achieves co-production of electricity, heat and water.

The invention discloses a zero-carbon, flameless and energy-saving power-frequency electromagnetic induction type water heater, which is capable of directly heating tap water in a pipeline and comprises a coil, a cylindrical metal tube heating core, a gyromagnetic pipeline system and the like. The coil generates a power-frequency magnetic field, and magnetic lines of force are closed by the aid of the gyromagnetic pipeline system. After alternating current is added to two ends of the coil (2), the alternating magnetic field generated by the coil (2) is automatically closed along the axial direction of the cylindrical metal tube heating core (1) and the axial direction of a gyromagnetic pipe (3) and an outlet end plate (5). Alternating magnetic flux which penetrates through insides of the cylindrical metal tube heating core (1) and the gyromagnetic pipe (3) generates eddy current in a wall of the cross section of the cylindrical metal tube heating core (1) and the wall of the cross section of the gyromagnetic pipe (3), and water is directly electrically heated in the wall of the cylindrical metal tube heating core (1) and the wall of the gyromagnetic pipe (3) by the aid of the eddy current. The zero-carbon, flameless and energy-saving power-frequency electromagnetic induction type water heater solves problems of high energy consumption, low heat efficiency, potential safety hazards and influences of factors including weather conditions, seasons, time, mounting positions and the like in the prior art.

The invention discloses a multistage irrigation device for a plant planter. The planter comprises a first water tank and a second water tank, wherein the second water tank is formed in the upper portion of the first water tank, the first water tank is configured to supply water to the second water tank, the second water tank is configured to supply water to a planting basket, the second water tankis internally provided with a plurality of drainage holes, the other end of each drainage hole is communicated with the first water tank, and the drainage holes are of at least two types of heights.The second water tank is internally provided with a plurality of outfalls used for conveniently discharging excess water in the second water tank from the drainage holes into the first water tank forcycle collection, thereby not only saving water, but also avoiding potential safety hazards caused by the excess water in the second water tank. The outfalls are of different heights, thereby forminga plurality of irrigation stages, and the water level is controlled accurately to meet the humidity requirements of different plants.

The invention discloses an energy-saving DC variable frequency water pump and a control method thereof. The energy-saving DC variable frequency water pump comprises a DC brushless motor, a support, an impeller, a sensing assembly, a driving circuit board, a front end cover and an electrical box. The DC brushless motor is fixed on the support, and the impeller is arranged on a driving shaft of the DC brushless motor. The front end cover covers the impeller, and the sensing assembly is arranged in the DC brushless motor. The driving circuit board is arranged at the end face of the tail portion of the DC brushless motor, and the electrical box covers the driving circuit board. The energy-saving DC variable frequency water pump is ingenious and reasonable in structural design; the sensing assembly and the driving circuit board are designed in a split structure mode, so that assembling and maintaining are facilitated, the occupied space is effectively reduced, and the size is decreased. Meanwhile, the DC brushless motor is used for driving, so that the working efficiency is high, the water supply amount is large, and the size is small. Moreover, under the control of the driving circuit board, the energy-saving DC variable frequency water pump has the functions of overload protection, overcurrent protection, short-circuit protection and the like, and has the advantages of being capable of guaranteeing normal operation, good in working stability, capable of effectively prolonging the service life, and beneficial to wide application and popularization.

A large capacity parallel purifier for secondary purification belongs to the technical field of multi-level water treatment. The technical problem to be solved is to provide a purifier for secondary purification with a plurality of parallel water treatment tanks. The technical proposal to solve the technical problem comprises a primary water treatment device and a secondary water treatment device; the primary water treatment device comprises a shell, a ceramic filter element and a parallel connector of a water outlet pipe; the shell is provided with a general water inlet and a connector hole; the parallel connector of the water outlet pipe is mounted on the connector hole; a water inlet of the parallel connector is connected with the ceramic filter element; a water outlet of the parallel connector is connected with a water inlet hole of a main water inlet pipe of the secondary water treatment device; the secondary water treatment device comprises a secondary water treatment tank, a secondary main water inlet pipe and a secondary main water outlet pipe; the water inlet hole of the secondary main water inlet pipe is connected with the water outlet of the parallel connector; the secondary main water outlet pipe is connected with the outlet of the secondary water treatment tank. The invention is applied in supplying high-quality drinking water, and has the advantages of compacted structure, small size and light weight.

The invention provides a preparation method for industrial high-temperature hot water. A hot water exchange circulation system, an air exchange heating circulation system and a high-temperature water heating pool for cleaning workpieces together achieve circulatory heating of high-temperature hot water, so that preparation of high-temperature hot water used for cleaning machine components in the machine manufacturing industry, the bearing manufacturing industry and other processing procedures is realized to solve the irresolvable technical problems existing in conventional steam boiler heating and electrical heating, energy saving and environmental protection are achieved, the manufacturing cost is lowered and the production quality and the environmental quality are improved.

The invention discloses a construction site dust removal device and method, wherein the construction site dust removal device comprises a water storage tank, the water storage tank is arranged in a construction site, and a water outlet of the water storage tank is connected with a water pump. A water conveying pipe is arranged on the bounding wall of the construction site, a plurality of sub-watertanks are arranged in the construction site and distributed at different positions of the construction site, a water outlet of the water pump is communicated with the water conveying pipe and the sub-water tanks, and spray heads are arranged on the water conveying pipe and the sub-water tanks. The water pump conveys water in the water storage tank to the periphery of the construction site and different areas in the construction site through the water conveying pipe and sprays the water out of the nozzles. Due to the fact that the dust falling nozzles are arranged at all positions of the construction site, all-around water spraying dust falling of the construction site is achieved. Compared with a traditional dust falling method, the phenomenon of flying dust on the construction site is reduced.

The invention discloses a fire-fighting fire extinguishing device installed in a building. The fire-fighting fire extinguishing device installed in the building comprises a base, fixing devices and connecting rods; the fixing devices are installed in a wall body, the base is installed at the upper ends of the fixing devices, and the connecting rods connect the fixing devices with the base; the upper end of the base is provided with a fire-fighting head, and the upper end of the base is further provided with a glass door frame body which is installed in the wall body; a switch device is installed on the fire-fighting head; one end of the fire-fighting head is provided with a water pipe, and the other end of the fire-fighting head is connected with water supply equipment which is installed at the lower end of the base. The fire-fighting fire extinguishing device is simple in structure, safe and reliable to be installed in the wall body, large in water supply amount and good in fire extinguishing effect, and therefore the safety of the building can be improved.

The invention discloses a pressure regulating device used for water supply and degassing of a boiler. The pressure regulating device comprises a mixing cylinder mixing steam and water, a hollow pipeline is arranged in the mixing cylinder, an opening tubular container is communicated below the hollow pipeline, the diameter of the tubular container is larger than that of the hollow pipeline, a water reservoir is arranged below the tubular container, both the tubular container and the water reservoir are arranged in the mixing cylinder, the top of the mixing cylinder is communicated with a steam inlet pipe and a water inlet pipe respectively, a first gate plate is arranged on the steam inlet pipe, a second gate plate is arranged on the water inlet pipe, a pressure regulator is arranged on a gas exhaust pipe and comprises an elastic membrane, the elastic membrane is connected with the first gate plate, the first gate plate is connected with the second gate plate, and the elastic membrane, the first gate plate and the second gate plate make up a connecting rod mechanism. The pressure regulating device aims to solve the problems that device circuit connection is complicated and cost is high due to pressure is regulated by the aid of circuit management in an existing water supply and degassing system of the boiler.

The invention discloses a temporary water supply system. The system comprises a reservoir, a water inlet pipeline, a floating ball liquid level valve, a water pump, a main water outlet pipeline, a check valve, a pressure storage and stabilizing device, a pressure gauge with electric contact and a water pump control device used for controlling the water pump to work, wherein the water inlet pipeline is used for leading an external water source into the reservoir; the water inlet end of the water inlet pipeline is connected with the external water source, and the water outlet end is connected with the floating ball liquid level valve in the reservoir; the water pump is arranged in the reservoir; a water outlet of the water pump is communicated with the water inlet end of the main water outlet pipeline; the check valve is arranged in the position, close to the water inlet end, on the main water outlet pipeline; the pressure storage and stabilizing device is communicated with the main water outlet pipeline to provide stable water pressure for the main water outlet pipeline; the pressure gauge with electric contact is communicated with the main water outlet pipeline and is arranged between the water outlet end of the main water outlet pipeline and the pressure storage and stabilizing device; and the pressure gauge with electric contact and the floating ball liquid level valve are also electrically connected with the water pump control device.

The invention discloses an automatic water supply device and method. The device comprises a controller, a pressure sensor in data connection with the controller and a water supply pump. Compared with the prior art, the automatic water supply device and method have the beneficial effects that the water supply amount can be automatically adjusted according to water supply requirements at the current time period; the water supply requirement can be met when the using amount of water resources is large; and meanwhile, the water resources are saved when the using amount of the water resources is small.