631results about How to "Large amount of water" patented technology

The device of the present invention can carry out floor sweeping and mopping automatically and simultaneously. The automatic floor sweeping and mopping device includes a main body, a rotational sweeping brush unit, a dust collecting unit, two rolling wheels, a mopping unit, a water spraying unit, a squeegee unit and a water storing tank. The mopping unit is made of a soft, water-absorbing material and can remove residual dirt not removed by the rotational sweeping brush unit. The water spraying unit is an innovative feature and is provided above the mopping unit to keep the mopping unit in a clean condition by removing dusts and dirt stuck to it. The squeegee unit can squeeze dirt and dirty water out of the mopping unit and keep the mopping unit in a clean, partially wet condition. Because the device leaves no dirty water behind, such feature is surely superior.

A hollow fiber membrane module comprising a bundle of hollow fiber membranes, a housing, an adhesive fixation layer, an inlet and outlet, at least one bias regulating member, and at least one straightening cylinder, in which the bias regulating member is contained in the adhesive fixation layer, the adhesive fixation layer comprises an outer end surface and an inner end surface inside the straightening cylinder, at least some of spaces between the hollow fiber membranes are at least three times as large as an outer diameter of the hollow fiber membrane on the outer end surface of the adhesive fixation layer, and the spaces between the hollow fiber membranes and a space from the hollow fiber membranes to the straightening cylinder are all less than three times as large as the outer diameter of the hollow fiber membrane on the inner end surface of the adhesive fixation layer.

The present invention relates to an adsorbent using the porous organic-inorganic hybrid material(s) containing iron having a large surface area and a high pore volume, in particular, a water adsorbent. Also, it relates to an adsorbent that can be used in humidifiers, dehumidifiers, coolers/heaters, a refrigerating machine or an air conditioner, etc., which can easily absorb or desorb at 100° C. and below, and has a great adsorption amount per weight of the adsorbent.

Also, the present invention relates to a novel preparation method of porous organic-inorganic hybrid material(s), in particular, a preparation method characterized by not using hydrofluoric acid, porous organic-inorganic hybrid material(s) prepared by said preparation method, and a use as an adsorbent thereof.

Disclosed is a clean method for preparing layered double hydroxides (LDHs), in which hydroxides of different metals are used as starting materials for production of LDHs by atom-economical reactions. The atom efficiency of the reaction is 100% in each case because all the atoms of the reactants are converted into the target product since only M²⁺(OH)₂, M³⁺(OH)₃, and CO₂ or H_nAⁿ⁻ are used, without any NaOH or other materials. Since there is no by-product, filtration or washing process is unnecessary. The consequent reduction in water consumption is also beneficial to the environment.

The invention relates to the machinery technical field and provides a frame type high efficiency impeller of an impeller aerator. A key technology that a circular ring frame is combined with angle set shovel-shaped or spoon-shaped blades with holes is adopted; angles which are formed between lower water shifting plates and upper water guiding plates are 90 to 160 degrees; the inner sides of the lower water shifting plates and the upper water guiding plates are provided with inner water guiding plates and the outer sides of the lower water shifting plates and the upper water guiding plates are provided with outer water guiding plates in a perpendicular mode to form the blades; the inner ends of radiation supports are fixed connected with a shaft disk and the outer ends of the radiation supports are fixedly connected with a circular ring to form a transmission connection plate; the plane which is formed by being close to the fixed joint of the outer ends of the radiation supports and the circular ring is fixedly connected with the lower water shifting plates to form 30 to 90 degrees of angles; meanwhile the radiation supports are fixedly connected with the inner water guiding plates to form 20 to 90 degrees of angles or angles in 90 to 135 degrees outward; shaft holes of the shaft disk are fixedly connected with power shafts. The frame type high efficiency impeller of the impeller aerator is used for performing aeration on a fish pond and is simple and reasonable in structure, long in service life, stable and reliable in effect, small in power, easy to manufacture and low in cost.

The invention provides a water purification system which comprises a concentrated water emission control unit, wherein the concentrated water emission control unit comprises a first branch, a second branch and a wastewater ratio assembly; a water outlet end of the first branch is connected with a water inlet pipeline; the first branch is provided with a first electromagnetic valve; a water outlet end of the second branch is connected with a water outlet section of a concentrated water pipeline or is directly evacuated; the second branch is provided with a second electromagnetic valve; and a water inlet end of the first branch and a water inlet end of the second branch are connected to a concentrated water pipeline between a concentrated water outlet of a reverse osmosis membrane treatment unit and a concentrated water emission electromagnetic valve through the wastewater ratio assembly. The first electromagnetic valve on the first branch and the second electromagnetic valve on the second branch are controlled to open and close intermittently, thereby implementing concentrated water intermittent reflux, reducing the concentrated water emission, and enhancing the recovery rate of the water purification system. The concentrated water reflux is intermittent and controllable, thereby greatly lowering the reverse osmosis membrane pressure and avoiding the shortening of the service life.

A water saving toilet device is provided which allows the user to select one of two flush modes at the time of use. A low volume flush mode is selected by turning the handle counter clockwise and a high volume flush mode is selected by turning the handle clockwise. The device can be retrofitted to accommodate existing toilets.

The invention provides a hydraulic fracturing surging method for a bedrock well and a system device thereof. The system device comprises a group of surface equipment which is formed by a fracturing pump, a manifold and a high-pressure water tap, and a well fracturing instrument which comprises one or more groups of packers which can be sent into the well and distributed on a working well section is arranged, wherein each packer is a cylindrical rubber elastic body with a ring chamber, and a constant pressure open valve is arranged among each group of the packers; a pitch unloading valve is arranged above the part adjacent to the upper packer; a bottom plug is arranged at the bottommost end of a drill; and the surface equipment is movably connected and communicated with a well drill rod in the well fracturing instrument through a high-pressure pipeline. During operation, the fluid enters the ring chamber of each group of the packers to expanse and seal the ring chamber; when the pressure of the system achieves to a certain value, a constant pressure valve is opened, and the fluid enters into the packer; and when the pressure of the system continuously increases and exceeds the tensile strength of rock, the rock is cracked to form new fracture which extends to a water storage structure, so that the water yield of the well is increased, and high-pressure fluid flushing surging for the existing fracture containing water can be realized.

The invention provides a technique for producing cationic polyacrylamide, and comprises the raw materials by mass percent: 10.0 to 25.0% of acrylamide, 5.0 to 10.0% of acryloxyethyl trimethylammonium chloride, 0.02-0.04% of redox, 0.03-0.015% of azo compound, 0.5 to 5.0 of urea, 0.02 to 0.15% of fatty acid salt, and 65.5-84% of deionized water; the raw materials are put into a reactor and added with the redox to have induced polymerization reaction under nitrogen protection at the room temperature, and then added with the azo compound to have secondary induced polymerization reaction; finally, the products of the invention are obtained after granulation and dryness. The technique is stable, slow in induction, even in reaction, mild and ordered, and easy in the control of operation process; the obtained products are rapid in dissolution rate, little in usage, large in water yield, big and dense in floccules, and not easy in fragmentation. The technique is mainly used for various environment-friendly fields such as sewage disposal, sludge dewatering, etc.

The invention discloses a method for decoloring printing and dyeing waste water of reactive dye and belongs to the technical field of waste water treatment. The method is characterized by comprising the following steps: adding oxidant with the dose of 0.5 to 10 g/l into the printing and dyeing waste water of the reactive dye and treating at the temperature of 20 and 55 DEG C for 5 to 60 minutes, wherein the oxidant is oxygen-containing oxidant or chlorine-containing oxidant; adding flocculant with the dose of 0.5 to 15 g/l, wherein the flocculant is bivalent or trivalent metal inorganic salt; adjusting the pH value of the waste water to 8 to 14; standing for 5 to 10 minutes; and performing centrifugal treatment at the rotating speed of 1,500 to 5,000 rpm for 2 to 12 minutes. The method for decoloring the printing and dyeing waste water of the reactive dye has important practical significance of saving energy and reducing emission in the textile printing and dyeing industry and solving the chromaticity of the printing and dyeing waste water of the reactive dye.

The invention discloses a self-cleaning method of an air conditioner heat exchanger and an air conditioner. The air conditioner comprises the heat exchanger and heating parts. The heating parts are arranged to correspond to the heat exchanger. The self-cleaning method of the air conditioner heat exchanger comprises the following steps that a self-cleaning control command is acquired and controlled, and a self-cleaning mode is executed; the rotating speed of a fan of the air conditioner is adjusted and/or the temperature of the indoor heat exchanger is reduced so as to enable the heat exchangerto be frosted; and when frosting is completed, the heating parts are started, and the opening degree of a throttle valve of the air conditioner is adjusted so as to defrost the heat exchanger. According to the technical scheme, the work stability of the air conditioner in the defrosting process is improved, and the self-cleaning effect is greatly improved.

The invention provides a rotor high-sensitivity water meter, comprising a meter cover, a rotor measuring mechanism arranged at the lower part of the meter cover, and an upper indicating mechanism corresponding to the rotor measuring mechanism; an impeller box in the measuring mechanism is of a round-basin shape, and an adjusting board is arranged at the bottom of the impeller box, meanwhile, the impeller is arranged at a fixing support center, and a filtering net is arranged outside the impeller box; a round filtering cylinder which is concave downward is arranged at the lower part of the filtering net, and a guide shaft is arranged at the bottom of the filtering net at the outer circumference of the round filtering cylinder, and a water-sealing valve which can move up and down is ringed on the guide shaft; a squared strip which is tightly matched with the impeller box is arranged at the inner wall of the filtering net; a water hole is arranged in the squared strip, and a jet hole is provided at the position of the impeller box with which the water hole is connected. The water meter has the advantages that a water-sealing valve is arranged on the base of the prior common water meter, and the filtering net adopts a round filtering cylinder to greatly increase the water flow of the filtering net, therefore, the pressure loss of the rotor high-sensitivity water meter is reduced.

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 relates to a method for operating a steam power station and a power plant as well as a corresponding steam power station. According to the invention, essentially all of the water that is drained from at least one pressure stage of the steam power station is collected, stored, and recirculated into the water circuit of steam power station.

The invention relates to a thermostatic apparatus of water heater and the method. The device includes temperature sensor, water quantity controller, and water temperature controller. The detecting result from temperature sensor would be compared to a preset value by water temperature controller and controlling the water quantity according to the comparing result. Thus, the output water temperature would be maintained constant.

A tilted-plate precipitation pool for separating water from sludge is composed of an external cylindrical body, a group of tilted plates, a drive shaft arranged in the center, connected with said tilted plate group and used as water outlet tube, a driver unit and a water gathering unit. The rotating tilted plate group can drive water to form cyclone, so increasing the effect to separate water from sludge.

A humidity regulating system and method is disclosed for use in the storage of humidity sensitive items and includes a storage container defining a volume for storing articles of interest and having a selected generally low water vapor transmission rate, a closure arrangement that generally effectively seals fabric items in the storage container thereby creating a storage environment, and one or more humidity regulating units in communication with the interior of the storage container and including humidity regulating material capable of regulating a desired, generally constant relative humidity in the storage environment that will not support mold growth in fabric or other articles of interest during a selected duration.

The invention provides a laterally-arranged heat pump clothes drying cabinet of a deep dehumidification device. The laterally-arranged heat pump clothes drying cabinet comprises a drying room and a refrigeration and dehumidification device. The refrigeration and dehumidification device is arranged on the side face of the drying room to form a high-position air suction and low-position air exhaust mode or a low-position air suction and high-position air exhaust mode. The drying room air inlet is provided with an air bag, and drying air flows into the drying room through through-holes formed in the air bag. The refrigeration and dehumidification device comprises a first condenser, a second condenser, a third condenser and an evaporator, wherein wet air is divided into two ways, one way of wet air flows through the first condenser and the second condenser to perform heating and temperature rise so as to obtain high-temperature drying air, the other way of wet air flows through the evaporator to perform temperature reduction and passes through the third condenser to perform heating and temperature rise so as to obtain high-temperature drying air, and two ways of drying air are input into the drying room after being mixed. By means of the refrigeration and dehumidification device, the problem that condensation pressure and condensation temperature of a traditional heat pump clothes drying machine at a speed-reduction drying phase are continuously improved, accordingly power consumption, pressure difference and compression ratio of a compressor are improved, energy efficiency ratio is reduced, the working condition is severely worsened, and even the compressor is burned down is solved.

The invention discloses device for desalinating seawater and brackish water by solar energy and wind energy, and a displacement method. The device for desalinating seawater and brackish water by solar energy and wind energy comprises multiple solar cambered reflection heat-collecting plates, heat-collecting pipes, a preheating pot, wind-powered pumps, a heat-collecting and heat-conversion device, an evaporator, a condenser and a fresh water tank. The device for desalinating seawater and brackish water by solar energy and wind energy has the advantages of simple processes, low cost, substantial energy efficiency superiority, safety, reliability, high water yield, good water quality reaching standards, reduction of a cost of product water per unit heat-collection area, simple production flow, energy-saving and environmentally friendly characteristics, convenient use and maintenance, and good applicability for utilization in fresh water-missing areas such as islands and brackish water lakes.