411results about How to "To achieve the purpose of saving water" patented technology

The invention discloses an intelligent rice cooker, an integrated electric valve and a filter screen pipe. The intelligent rice cooker comprises a bottom leakage spraying device, a water containing box and/or a feeding device; the feeding device comprises a worm rod and the filter screen pipe, the worm rod pushes rice grains to pass through the filter screen pipe, and a wind force, dust gravity and a centrifugal separator are used for removing dust in the rice grains; the rice cooker is provided with a filtering device for filtering rice washing water or cooker washing water discharged from the rice cooker for reuse; the rice cooker can achieve automatic addition of rice and water for cooking, and a rice cooker lid can be automatically opened or closed as needed. Through the technical scheme above, the intelligent rice cooker provided by the embodiment can save water in the processes of cooking rice and washing the cooker.

The invention relates to a convenient water-saving all-composite nano-filtration and reverse osmosis water purifier. The convenient water-saving all-composite nano-filtration and reverse osmosis water purifier comprises a shell, a filter element and a micro booster pump, wherein a clean water outlet nozzle is arranged on the shell; the filter element and the micro booster pump are arranged in the shell; the filter element is a composite filter element; the composite filter element adopts a cylindrical and radial multi-layer composite structure; a filter element seat is arranged in the shell; the composite filter element is arranged on the filter element seat in the shell; a space is reserved in the outer wall of the composite filter element to form a water inlet cavity; a water outlet cavity is separated from the water inlet cavity by a filter layer of the composite filter element; a water inlet connector and a washing water connector are also arranged on the shell. According to the convenient water-saving all-composite nano-filtration and reverse osmosis water purifier, the composite filter element with a multi-layer filter layer is arranged in the shell, so that the structure is compact, the volume is small, the water purifier is mounted at the required placed and is mounted without help of professionals; meanwhile, the washing water connector is arranged, so that waste water can be recovered and recycled to fulfill the aim of saving water.

The invention discloses a coal-fired power plant flue gas heat regenerative system and an energy-saving water-saving ultra-clean discharging method. The temperature of the flue gas is reduced to about 90-110 DEG.C through a low-temperature coal economizer, and the recycled flue gas heat heats primary and secondary wind entering a boiler through a steam air heaters, so that the first stage of heat regenerative cycles is achieved. The temperature of the flue gas at the outlet of a desulfurization tower is reduced to 30-40 DEG.C through a vacuum flash evaporation and solidification device and a low-temperature heat pump heat exchange device, and a part of water vapor of the flue gas is condensed and collected, so that water is saved. The low-temperature heat pump heat exchange device absorbs the latent heat released in flue gas sensible heat and condensation processes, and dry as-fired coal and air are heated, so that the second stage of heat regenerative cycles is achieved. A boiler slag discharge system recycles the waste heat of heat slag, and the as-fired coal is heated, so that the third stage of heat regenerative cycles is achieved. When the waste heat is not used up, the remained waste heat can be utilized, so that energy is saved. Low-temperature desulphurization slurry led out from the vacuum flash evaporation and solidification device is injected into the desulfurization tower, so that the desulphurization efficiency is improved, and an ultra-clean discharging objective is achieved.

This invention relates to a decontamination cycle laundry machine, which comprises the laundry machine casing, a washing tub set outside the casing, a controller used for controlling the laundry machine, an inlet solenoid valve set inside the inlet pipe, an outlet solenoid valve set inside the outlet pipe, a decontamination cycle water saving device, and a water storage tank, wherein on the top of the tank it has an inlet pipe connected with the outlet pipe of the washing tub, and the inlet pipe has an outlet solenoid valve; the bottom of the water storage tank is connected with the blow-down pipe and the blow-down valve, and the top of the water storage tank has an overflow pipe; between the water storage tank and the inlet pipe of the washing tub it has an tank outlet pipe, and a pump set in the tank outlet pipe, inside the outlet pipe it has a water-supply magnetic valve; every magnetic valve is electric connected with the controller.

A method based on the computer visualization for detecting the information about the water demand of crops in order to save water in intelligent irrigation system is disclosed. Its system is composed of a black reference with known sizes, image acquisition equipment, image acquisition card and computer. Said method includes such steps as arranging said block reference close to stem or fruit (seed) of crops, taking the image, filtering noise, separating the reference and object to be detected, calculating the numbers of their pixels, and calculating the water demand.

The invention relates to an extraction method of essential oil from citrus peel, the extraction method is characterized in that hardening liquid is prepared by taking 99.04 percent to 99.26 percent of water, 0.1 percent to 0.2 percent of sodium benzoate, 0.5 percent to 0.8 percent of calcium chloride anhydrous and 0.04 percent to 0.06 percent of sodium bisulfite; 1 part of fresh citrus peel and 4 parts of the hardening liquid are further taken according to the proportion by weight, the even mixing is carried out to allow the citrus peel to be fully submerged in the hardening liquid, the time is 2 to 3 hours, the citrus peel is fished out from the hardening liquid after the completion of the soaking and crushed by using a roller crusher, the obtained citrus peel residues are directly or indirectly used as animal feeds after the drying, the mixed liquid of citrus oil and water which is obtained by crushing is filtered by using a filter net with 80 to 120 meshes, then a pipeline type high-speed centrifuge is used for separation under the rotation speed of 18000 turns/min to 20000 turns/min, the obtained water enters a sedimentation tank, big scraps are carried out the sedimentation, supernatant liquid is returned to a soaking tank of the citrus peel as hardening water, the obtained citrus oil is stored for more than 7 days at 3 DEG C to 8 DEG C, and the essential oil from the citrus peel is obtained after the filtration.

The present invention discloses an intelligent water-saving irrigation system based on plant organ microsize change detection. It is formed from sensor, conversion amplification circuit and chip microprocessor measuring control communication system. The sensor can be mounted and held on the typical leaf or fruit of tested plant, and the measuring signal outputted by sensor can be transferred into convertion amplification circuit, and amplified, then transferred into the microprocessor, and transferred into main control computer at regular time, according to the result obtained for processing and analyzing measured data the main control computer can define that the electroni switch of said irrigation system is switched on or not so as to implement closed loop control of irrigated plant.

The invention relates to the field of agricultural water conservancy engineering, and provides a water-fertilizer integrated device for a greenhouse. The water-fertilizer integrated device comprises a greenhouse, and also comprises a water storage unit, a fertilizer dissolving unit, a controller and a plurality of spray-irrigation units, wherein the spray-irrigation units are arranged in soil located at the periphery of the root part of a crop in the greenhouse; the water storage unit and the fertilizer dissolving unit are in connection through a water delivery pipeline; the lower end of the fertilizer dissolving unit is provided with a main pipeline extending into the greenhouse; each spray-irrigation unit is connected with the main pipeline through a branch pipeline; and the water storage unit is connected with the main pipeline through an irrigation water pipe. The water-fertilizer integrated device for the greenhouse provided by the invention can realize automatic, highly-precise and direct applying of a fertilizer and water to the root part of a plant, achieves the purposes of saving water, reducing the fertilizer and increasing yield, reduces the labor intensity of workers, improves production efficiency, and reduces cost.

The invention relates to a washing machine, which is a special-shaped drum-type washing machine, a drum bus bar comprises three sections, the lower section is round arc, the middle section is conical, and the upper section is round ring shape, the whole section takes an ear shape, two processes which are wave wheel washing and centrifugal washing can be achieved as the changes of the speed of the drum in the process of washing. The whole machine structure comprises a rolling wheel, an outer casing, a water outlet pipe, an elastic supporting leg, a water channel, a water containing tank, a special-shaped drum, a drum cover, a water containing tank cover, an outer casing cover, a wave wheel, a motor, a belt wheel, a gear box, a bracket, a wave wheel blade and a drum shaft, a hole is arranged on the special-shaped drum, and the hole is convenient for liquid to be thrown out, and the lower portion is provided with a hole which guarantees cleaning mixture to get into the drum normally. The invention has simple structure, and the driving motion is convenient, and the invention has the characters of hand rubbing type and centrifugal type washing, which has the advantages of high utilization of mechanical energy and excellent washing effect, which saves water and electricity.

The invention provides a high-yield sunflower culturing technology based on drip irrigation, belonging to the technical field of crop culture. According to the invention, aiming at the biological characteristics of the sunflower, seven matched culturing technologies, namely soil selection, reasonable compact planting, early sowing at proper time, scientific fertilizing, water-saving drip irrigation, assistant pollination and in-time harvest are utilized, so that the purposes of high yield and water conservation can be achieved. The high-yield sunflower culturing technology based on drip irrigation is strong in pertinence, has the effects of water and fertilizer conservation, labor saving, high yield and high efficiency, and is wide in popularization and application prospect.

The invention discloses a large-scale common sucker breeding method capable of controlling the temperature of circulating water. The method comprises the following steps of parent fish selection, parent fish rearing, artificial spawning induction, artificial fertilization, artificial incubation, larva fish cultivation, disease control and the like. In an artificial breeding process, the temperature of the water is controlled in a range of 15-20 DEG C by using a circulating water temperature controlling technology, the water is circulated and is used efficiently, the prosperous breeding period of common suckers is greatly prolonged, adverse effects on artificial breeding due to over low water temperature in the early stage and over high water temperature in the later stage are avoided, and the problems that the water quantity is insufficient, the water quality is deteriorated and the water is polluted in the breeding period are solved. According to the technical scheme obtained from scientific experimental research and production practice, the spawning induction rate, the spawning rate, the fertility rate, the hatching rate and the emergence rate of the common suckers can be greatly improved, the bottleneck on large-scale breeding of the common suckers is solved, and the large-scale common sucker breeding method plays an important role in scientific research, population protection and artificial breeding of the common suckers.

The invention discloses an efficient running control method for a water ring vacuum pump unit and a control system and relates to the field of energy saving and emission reduction of fluid machinery. The efficient running control method comprises the following steps: based on the operating characteristics of the water ring vacuum pump unit, building an efficient running control model of the water ring vacuum pump unit; with respective to specific application working conditions, inputting nominal parameters of the water ring vacuum pump unit and user requirement parameters; acquiring real-time operating parameters of the water ring vacuum pump unit via a measuring meter, and through operation feedback of a control box, adjusting such parameters as the rotational speed of the water ring vacuum pump unit, and the opening degree of a supplementary operating fluid control valve in real time; and enabling the water ring vacuum pump unit to work under the conditions of maximum comprehensive efficiency and low power consumption via the steps of pre-vacuumizing, selection of optimal rotational speed and optimal fluid supplementation amount, constant-voltage operation, shutdown judgment and the like. By use of the efficient running control method, the problem of excessively high energy consumption caused by extensive operation of the water ring vacuum pump unit is solved and the effect of saving electricity and water is achieved.

The invention discloses a full-automatic water-saving washing machine, which comprises a vertical machine body, a first barrel and a second barrel which are arranged vertically in the vertical machine body, a first operating panel, a second operating panel, an automatic detergent feeding device, a control system, a first-barrel water feeding tee joint, a first-barrel water discharging tee joint, a second-barrel water feeding tee joint, a second-barrel water discharging tee joint, a water feeding magnetic valve, a first-barrel water feeding magnetic valve, a first-barrel water discharging pump, a second-barrel water feeding magnetic valve, a second-barrel water discharging magnetic valve and a second-barrel water discharging pump. The full-automatic water-saving washing machine utilizes a double-barrel circulation washing mode, achieves an automatic water recycling function of a full-automatic washing machine and the water-saving purpose and avoid water recycling by means of a manual mode. Compared with the full-automatic washing machine used for civil use and industrial use, water-saving amount reaches 50%, detergent using amount is few, discharge quantity of detergent-containing sewage is reduced by more than 45% , washing cost is reduced by approximately 50%, and social and economic benefits are obvious.

The invention provides a wet method treatment process of purified flue gas with a water collection function in the process. The process is carrying out flue gas purification with wet method through absorption liquid spraying by a spray layer in an absorbing tower and the purified flue gas is discharged through a purified gas flue, wherein the purified flue gas is subject to demisting, cooling and water collection treatments through a cooler with a demister function in the absorbing tower or the purified gas flue. The invention also provides a wet method processing apparatus of purified flue gas and the apparatus has a water collection function. The apparatus comprises a absorbing tower and a purified gas flue, wherein a spray layer is provided in the absorbing tower, and a cooler with a demister function is provided in the absorbing tower or the purified gas flue. According to the invention, the purified flue gas is subject to demisting, cooling and water collection treatments through a cooler with a demister function in the absorbing tower or the purified gas flue, condensate water can be used for the water supply of the absorbing tower. And if the water content of the flue gas is high there is no need of water supply, thus the water consumption of the whole purifying system is zero and the goal of water saving is achieved.

The invention discloses a water-saving shower head. A body of the shower head is provided with a cavity body, the upper part of the cavity body forms an impeller cavity, and the lower part of the cavity forms an inverse conical colliding cavity; the inside of the impeller cavity is provided with an impeller, one side of the impeller cavity is provided with a water inlet opposite to a vane of the impeller, the lower part of the impeller is provided with a jet orifice opposite to an inverse conical inclined plane of the colliding cavity, and the jet orifice is driven by the impeller to rotate; and the bottom of the colliding cavity is provided with a water outlet. The water-saving shower head has structural improvement that the shower head is provided with only one water outlet, and the interior jet orifice has only little outflow water at each moment, so as to reduce flow capacity and achieve the aim of saving water. While the colliding cavity can make water jetted out obliquely, periodical rotation of the jet orifice changes to make the final outflow water present periodical multi-angle change, so as to form dense scattered large-particle spray, and the shower bath feeling is the same as the feeling of the prior shower head.

The invention relates to new type air cooling multifunctional air conditioning refrigeration preserving system. It is made up of single screw no oil air compressor, tube ceramics ozone producer, freezing water ozone dissolving groove, ammonia refrigerating machine, ozone de-sorption groove, air cooling machine, cistern, water pump, spray head, preserving bank, pressure regulating water purifier, hot cold air generator. It has the advantages of no Freon air refrigerating, no pollution, no green house effect, and saving energy. It can fully replace the existing preserving technique, and makes people can enjoy secure meet, grain, fruit, and vegetable.