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147results about How to "Improve water saving performance" patented technology

Heat and cool power cogeneration system of integrated multi-functional efficient mini-type gas turbine

The invention proposes a heat and cool power cogeneration system of an integrated multi-functional efficient mini-type gas turbine, which belongs to the novel heat and cool power cogeneration system device. To solve the frequent mismatching of cold and heat load and low efficiency operation of the conventional cogeneration system, measures such as steam reinjection, inlet gas cooling, gas fume and condensate water recovery are introduced on the basis of the heat and cool power cogeneration system of the mini-type gas turbine; in addition, the number of steam outlets and hot-water outlets is increased, thus forming the heat and cool power cogeneration system of the integrated multi-functional efficient mini-type gas turbine. The system is provided with various operation modes suitable for different occasions, can effectively solve the problem of mismatching of cold and heat load of the cogeneration system, so that the system can keep working in highly efficient mode.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)

Cleaning cocoon cooking method

InactiveCN103225112ANo emissionsThe total amount is controllableSilk filament obtainingChemical preparationDissolution
The invention discloses a cleaning cocoon cooking method. The method comprises the processes of: external vacuum infiltration, cooking by an automatic cooker, cocoon steaming, and adjustment, wherein a reelability agent originally used for cocoon cooking replaces a penetrating agent for penetrating to be used in the external vacuum infiltration cocoon cooking process; in the condition with 30-50 DEG C water temperature, the reelability agent can only have infiltration function with water to be adsorbed between cocoon layers and on the surface of a cocoon filament; and in the cocoon cooking process and in the condition with 60-80 DEG C water temperature, the reelability agent can promote the cocoon filament sericin dissolution to reduce adhesion between cocoon filaments for the smooth dissociation of the cocoon filaments, so that the reelability agent has the reelability function in the cocoon cooking process. One chemical preparation achieves two functions, the chemical preparation is less and easily controlled in dose, process is simple, operation is convenient, and production cost is low.
Owner:安徽绩溪县花神丝绸有限公司

Agricultural irrigation water saving system

The invention relates to an agricultural irrigation water saving system. The system comprises a Web platform, a wireless gateway and wireless terminal equipment, wherein a mobile communication network is adopted for communication between the Web platform and the wireless gateway, and a short-range wireless communication network is adopted for communication between the wireless gateway and the wireless terminal equipment. The Web platform issues a control instruction to the wireless gateway, the wireless gateway forwards the instruction to the wireless terminal equipment, and then the wireless terminal equipment carries out corresponding operation and returns a result. The Web platform comprises an irrigation planning module used for making irrigation strategies according to different crops, different environmental attributes, real-time soil moisture content data, pipeline pressure and the like. The system intelligently makes the irrigation strategies in a pointed mode, can monitor region environment in real time and remotely control equipment to achieve automatic irrigation and improves water-saving capacity and accuracy of irrigation.
Owner:北京慧图科技(集团)股份有限公司

Water-saving irrigation system and irrigation method

The invention discloses a water-saving irrigation system. The system comprises a rainwater collecting device, a nutrition fertilizing device, an energy-saving device, drip irrigation devices and a control box. The rainwater collecting device comprises a rainwater collecting pool, a water inlet pipe is arranged on the top of the rainwater collecting pool, and a buoyancy ball valve is arranged at the lower end of the water inlet pipe. Each drip irrigation device comprises a main pipe and a humidity sensor, wherein the main pipe is connected with a plurality of branch pipes at equal intervals; the drip irrigation devices are uniformly arranged on the branch pipes, and the humidity sensors are electrically connected with the control box. The invention also discloses an irrigation method of thewater-saving irrigation system. The system can collect rainwater for irrigation so as to effectively reduce the water consumption. By adopting the water-saving irrigation control system, the irrigation amount can be effectively controlled, the water-saving effect of the water-saving irrigation control system is further improved, and fertilization can be carried out during irrigation.
Owner:JIANGSU WATER CONSERVANCY SCI RES INST

Monitoring camera with cleaning function and convenient to maintenance

The invention relates to a monitoring camera with the cleaning function and convenient to maintain. The monitoring camera comprises struts, a body and a protective cover. The monitoring camera furthercomprises an overhauling mechanism and a cleaning mechanism. The overhauling mechanism comprises a first driving assembly, a top plate, a lifting sleeve, a driving shaft, two supporting rods, two first bearings and two transmission assemblies. The cleaning mechanism comprises a second driving assembly, a water collecting tank, a water conveying pipe, a water pump, a rotating pipe, a cleaning strip, two fixing shafts, two second bearings and at least two nozzles. The first driving assembly comprises a first motor, a worm and a first gear; the transmission assembly comprises a wire spool and asteel wire rope. According to the monitoring camera with the cleaning function and convenient to maintain, the lifting of the main body is achieved through the overhauling mechanism. The overhauling convenience of the camera is improved. The cleanliness of the protective cover is improved through the cleaning mechanism, and the shooting definition of the camera is improved.
Owner:GUANGZHOU ZHONGTAN AIR PURIFICATION TECH CO LTD

Irrigation system and method for utilizing irrigation system to irrigate nyssa aquatica seedlings

ActiveCN103503741ASave on construction and maintenance costsEffective irrigation volumeClimate change adaptationWatering devicesWater contentSeedling
The invention discloses an irrigation system and a method for utilizing the irrigation system to irrigate nyssa aquatica seedlings. The irrigation system comprises a water channel system, cultivation containers and a water-saving irrigation control system, wherein the water channel system is composed of a plurality of water channels arranged on the earth's surface, the cultivation containers are placed in the water channels, and the bottoms of the cultivation containers are provided with through holes. The irrigation system can monitor the content of water in the soil in real time, irrigation is performed automatically towards the cultivation containers according to various parameter values set by a control unit, and an environment for normal growth of plants is guaranteed practically. The invention further discloses a method for utilizing the irrigation system to irrigate the nyssa aquatica seedlings. By using the system, the growth speed and quality of the nyssa aquatica seedlings are fully guaranteed.
Owner:CHONGQING ACADEMY OF FORESTRY SCI

3D super-swirling siphon closestool

The invention discloses a 3D super-swirling siphon closestool. The 3D super-swirling siphon closestool comprises a closestool main body, wherein the closestool main body comprises a closestool tank, a siphon pipe, a flushing water passage and a jetting water passage; a flushing hole is formed in the top of the closestool tank; a jet orifice and a drain outlet are formed in the bottom of the closestool tank; the flushing hole is communicated with the flushing water passage; the jet orifice is communicated with the jetting water passage; the drain outlet is communicated with the siphon pipe; an angle is formed between the hole surface of the flushing hole and the side surface of the closestool tank, so that water jetted from the flushing hole does circumferential movement around the closestool tank to form a first swirl; the jet orifice is formed in the side of the closestool tank, water jetted from the jet orifice does circumferential movement around the closestool tank to form a second swirl; the second swirl and the first swirl have the same swirling direction. The 3D super-swirling siphon closestool can achieve a double-swirl water flow, speeds up siphon, speeds up drainage, sufficiently reduces noises and has significant water-saving and draining effects.
Owner:JOMOO KITCHEN & BATHROOM

Surface rust preventing treatment process for iron art products

The invention relates to a surface rust preventing treatment process for iron art products and provides a novel spraying line production technique. The surface rust preventing treatment process is characterized in that traditional phosphating is replaced by ceramic treatment on a spraying flow production line, common urban tap water is replaced by small cluster water with activity in each washing link during spraying, and common water base degreasing fluid is replaced by small cluster water base degreasing fluid. Compared with traditional phosphating, the method uses non-phosphorus ceramic treatment for pretreatment in prior to nano spaying, and accordingly adhesive force between coating and metal can be increased evidently, and corrosion-resistant time of metal can be prolonged.
Owner:广东鸿图新材料科技有限公司

Solar sewage treatment device

A solar sewage treatment device. By the adoption of a solar photovoltaic generation technology, a storage battery is provided with incessant electric energy, and a conducting strip connected with the storage battery can be continuously heated and can always remain over 100 DEG C. As the boiling point of water is 100 DEG C, sewage rapidly boils and is vaporized into steam when the sewage pumped from a sewage settling pond is sprayed on the conducting strip. Therefore, the distillation process is completed instantly. The gaseous water is cooled and reduced into aqueous water, thus making the sewage to rapidly become clean water source. Simultaneously, sediment and sludge which are settled in the settling pond are conveyed into sludge dewatering equipment. The dewatered sludge can be transported outside for landfill or fully utilized.
Owner:施伟钢

Water-saving shower head

The invention relates to a water-saving shower head. The shower head comprises a shower head body, a water delivery pipe, a valve, a water inlet, a base and at least two water outlets, and further comprises a water-saving mechanism and a cleaning mechanism; the water-saving mechanism comprises an on-off assembly and a triggering assembly, wherein the on-off assembly comprises a water inlet pipe, abaffle, a sealing block, a moving plate, a hole and two first springs; the cleaning mechanism comprises a driving assembly, a connecting rod, a lifting rod, two supporting rods, two lifting sleeves and at least two cleaning rods. According to the water-saving shower head, through the water-saving mechanism, when people go out of the range of a supporting seat, the shower head body can automatically stop water spraying, so that the water-saving effect of the shower head is improved, and the practicability of the shower head is improved; through the cleaning mechanism, the water scale inside the water outlets can be cleaned up, so that the probability that the water outlets are blocked is reduced, the water spraying effect of the shower head is improved, and therefore, the practicability ofthe shower head is further improved.
Owner:南安达泰卫浴有限公司

Intelligent sterile hand-washing and glove-wearing machine

The invention discloses an intelligent sterile hand-washing and glove-wearing machine. Through mechanized sterile equipment, hand washing and glove wearing are automatically conducted, not only are the time and labor saved, but also glove infection is avoided, and the risks of operations are reduced. In order to solve the technical problems, according to the technical scheme, a hand washing system and a glove wearing system are both arranged on a cabinet, the hand washing system is located at one end of the cabinet, and the glove wearing system is located at the other end of the cabinet; according to the structure of the hand washing system, a hand washing machine is arranged on the upper portion of the cabinet, a spray-wash mechanism is arranged in the hand washing machine, an enclosed mechanism is arranged at an opening of the hand washing machine and is matched with the hand washing machine to form an enclosed spray-wash cavity; the intelligent sterile hand-washing and glove-wearing machine further includes a water storage tank, a spray head, a brush arm, a dryer, an exhaust fan, a light sensor and a controller, through the light sensor which senses the hands and the controller which controls the operation of a water tank, the spray head, the brush arm, the dryer and the exhaust fan, and the purpose is achieved that the hands are cleaned. The intelligent sterile hand-washing and glove-wearing machine can be widely applied in the field of medical treatment, chemical industry and food.
Owner:杨国忠

Washing machine

Provided is a washing machine capable of saving water, sterilizing and deodorizing. In the washing machine (1), a drum (3) and a tank (4) are provided inside a housing (2) and also an ozone generator (40) is provided. The ozone generated in the ozone generator (40) is supplied through a first supply path (42) and an ejector (32) so as to clean the used water accumulated in the tank (4) in a tightly sealed structure. Also, in order to deodorize and disinfect clothes in a drying process inside the drum (3), it is supplied from a second supply path (44) through a drying air path (15) to the drum (3).
Owner:HAIER GRP CORP +1

Single-grade double-line connecting ship lock

The present invention is a single-grade double-line connecting ship lock, and mainly solves the problem of large amount of wasted water of a single-grade ship lock and a double-grade ship lock. The technical proposal of the invention is as follows: the bottoms of lock chambers of two single-grade ship locks are connected by a water pipe, the water pipe for connecting is provided with a valve, so that water in A lock chamber can be discharged to B lock chamber, water in the B lock chamber can be discharged into the A lock chamber, and when water in one lock chamber doesn't need emissions to the other chamber, the valve is closed. Water source shortage is getting more and more serious, so that to-be-built or built single-grade ship locks and double-grade ship locks all over China can be built or converted into the single-grade double-line connecting ship lock.
Owner:彭国洪

Water-saving irrigation equipment with humidity detection function

The invention relates to water-saving irrigation equipment with a humidity detection function. The water-saving irrigation equipment comprises a main body, a detection mechanism, an irrigation mechanism and at least two movable wheels; the detection mechanism comprises a rotary shaft, a first driving assembly, a rotary rod, an air cylinder, a humidity sensor and two mounting bearings; the irrigation mechanism comprises a water tank, a second driving assembly, a nozzle, a first water pipe, a second water pipe, a power cylinder, a piston block and two one-way valves; the first driving assembly comprises a second motor, a first gear and a second gear. According to the water-saving irrigation equipment with the humidity detection function, through the detection mechanism, the humidity sensor can be driven to move, then humidity of soil can be detected through the humidity sensor, and the irrigation efficiency of the irrigation equipment is improved; through the irrigation mechanism, watercan be quantitatively irrigated to the roots of plants according to the humidity of the soil, thus the irrigation effect of the irrigation equipment is improved, and the water-saving effect of the irrigation equipment is improved.
Owner:SHENZHEN LVYUAN HUIZHI TECH CO LTD

Water-saving warming pipe

InactiveCN109488816ADeformation deflation promotionReduce waiting time for hot waterRigid pipesWater savingWater resources
The invention relates to a water-saving warming pipe which comprises an outer pipe; the axis of the outer pipe is provided with an inner pipe; the outer peripheral wall of the inner pipe is rotationally and symmetrically provided with supporting sheets; the external of each supporting sheet is wrapped with a regulation bag made of an elastic material; the two ends of each regulation bag are provided with flexible sealing films respectively; the edges of the sealing films, the regulation bags and the inner pipe are in sealing connection and form a sealed pipe barrel space; the pipe barrel spaceis provided with an air guide pipe; the end part of the air guide pipe extends into external air; the inner wall of each regulation bag is provided with a regulation strip; sensing strips made of a thermal expansion material are distributed in the inner pipe at an equal interval; one ends of the sensing strips are connected with traction wires respectively; and the traction wires are connected with the corresponding regulation strips after penetrating through the pipe wall of the inner pipe. By adopting the water-saving warming pipe, a water body residual in a warming pipe can be effectivelyreduced when water is not used, so that waste of water resources is reduced, and the waiting time for water consumption is shortened at the same time.
Owner:ZHEJIANG FANFENG LEATHER

Compressed air foam extinguishing system for fire extinguishment of transformer

The invention discloses a compressed air foam extinguishing system for fire extinguishment of a transformer. The system comprises a compressed air supply module, a fire-fighting water supply module, afoam liquid supply module and a mixed foam liquid-compressed air generation module, wherein the compressed air supply module, the fire-fighting water supply module and the foam liquid supply module are separately connected to the mixed foam liquid-compressed air generation module, and the mixed foam liquid-compressed air generation module is connected to an engineering field injection device. Thesystem can achieve system cleaning and redundancy configuration of important equipment, so that the reliability is high and water is saved. The foam liquid separating time is long, and defects that atransformer extinguishing system of a current convertor station is large in water consumption, easy to re-burn, low in extinguishing reliability and the like are overcome.
Owner:CHANGZHOU BORI ELECTRIC POWER AUTOMATION EQUIP +2

Variable-capacity washing-machine barrel capable of achieving independent washing and independent control and washing machine

The invention relates to a variable-capacity washing-machine barrel capable of achieving independent washing and independent control and a washing machine. The washing-machine barrel includes a barrelbody and a detachable electric impeller disk, the inner wall of the barrel body is provided with at least one installation base, the detachable electric impeller disk is in sealing connection with the installation base, the barrel body is divided into at least two layers of washing chambers, and the side wall of each layer of washing chamber of the barrel body is provided with a washing-chamber door; the side wall of each layer of washing chamber of the barrel body is provided with several inclined convex ribs in the circumferential direction, the peripheral walls of the upper ends of the convex ribs of the barrel body are provided with dehydration holes, and the outer layer of the peripheral wall, corresponding to the dehydration holes, is provided with water collection tank. The washing-machine barrel can achieve independent control of each layer of the washing chamber, and the requirements that water and energy are saved and the inside of the washing machine is cleaned up and can be free of cleaning can be well met. The invention further relates to the washing machine including the variable-capacity washing-machine barrel capable of achieving independent washing and independentcontrol.

Water-saving type irrigating device for rose garden

The invention discloses a water-saving type irrigating device for a rose garden, and relates to the field of irrigation. The water-saving type irrigating device for the rose garden comprises a water storage tank, wherein a water inlet tube penetrates through the top of the water storage tank; a water tank is fixedly mounted in the water storage tank; an irrigating tube penetrates through one sideof the water tank; one end of the irrigating tube penetrates through the water storage tank and extends out of the outer side of the water storage tank; a solenoid valve is arranged on the irrigatingtube; a through hole is formed in the top of the water tank; and an evaporation preventing device is arranged on the through hole and comprises a tube body. By arrangement of the evaporation preventing device, after rainwater enters the water tank, water evaporated in the water tank cannot reach the outside through the through hole, and therefore, loss of the rainwater is avoided; and by arrangement of a heat-insulation layer, the circumstance that water in the water tank is evaporated due to over-high temperature when the temperature of the outside in the summer is high is avoided, therefore,water loss is avoided, and the water-saving effect is improved.
Owner:无锡市鹅湖玫瑰园艺文化有限公司

Novel closestool water saving device

The invention relates to a novel closestool water saving device which comprises a box.A box cover is arranged at the top end of the box, and a first water inlet and a second water inlet are formed in the left side and the right side of the box cover respectively.The first water inlet and the second water inlet are connected with a first water inlet pipe and a second water inlet pipe respectively.A float switch is arranged on the first water inlet, and an electromagnetic valve is arranged on the second water inlet pipe.A water outlet is formed in the bottom end of the box and connected with a water outlet hose.A filter barrel is arranged below the first water inlet.The inner side wall of the filter barrel is covered with a filter screen, the top end of the filter barrel is connected with the box cover through a spring, and a motor is arranged below the filter barrel.The output shaft end of the motor is connected with a rotary shaft, and a cam is arranged at the right end of the rotary shaft.The device further comprises a microcontroller and a liquid level sensor arranged in the box, and an annular magnet is arranged above the water outlet.By means of the structure, sanitary wastewater can be fully utilized, and therefore the water saving performance of a closestool is greatly improved.
Owner:CHENGDU GERUISI CULTURAL COMM

Stainless steel water pool for kitchen

ActiveCN111379291AFlexibility to change the depth of useImprove practicalityDomestic plumbingMetallurgyKitchen utensils
The invention discloses a stainless steel water pool for a kitchen, and relates to the technical field of kitchen utensils. The stainless steel water pool comprises a stainless steel water pool body and a faucet. The bottom surface of the stainless steel water pool body communicates with a main blowdown assembly. The inner wall of the stainless steel water pool body is rotatably connected with a driving ring through a notch. The inner wall of the driving ring is rotatably connected with the faucet through a bearing. The inner surface of the stainless steel water pool body is rotatably connected with a driving shaft. The peripheral lateral side of the driving ring is in transmission connection with the driving shaft through a connecting piece. The inner portion of the stainless steel waterpool body is rotatably connected with a driven shaft through a connecting piece. According to the stainless steel water pool for the kitchen, through the design of a scissor-type telescopic assembly,the driving ring and a sealing partition plate assembly, the non-variable volume of a water-containing cavity can be changed into variable volume under the condition that the total volume of the waterpool is certain, and the use depth of the water pool can be flexibly changed on the basis of volume change, so that the practicability, universality and water-saving performance of the water pool canbe improved.
Owner:嵊州市强信不锈钢制品有限公司

Environment-friendly plastic recovery equipment

The invention relates to the technical field of environment-friendly plastic recovery, in particular to environment-friendly plastic recovery equipment. The environment-friendly plastic recovery equipment comprises a cleaning box, and further comprises a fluidization barrel. A filter barrel is fixed in the cleaning box. A feeding hopper used for feeding materials into the filter barrel is fixed tothe outer side of the cleaning box. The filter barrel feeds materials into the fluidization barrel through a feeding pipe. A purification and backflow mechanism is arranged on one side of the cleaning box. A stirring and mixing mechanism is arranged in the filter barrel. The fluidization barrel is in drive connection with the stirring and mixing mechanism through an air guide pipe. According to the environment-friendly plastic recovery equipment, the cleaning effect and efficiency to plastic particles are improved, and energy and water are saved.
Owner:HUNAN UNIV OF HUMANITIES SCI & TECH

Shower head

A shower head includes a housing, and a jet faceplate mounted to the housing and including a first water jetting area composed of a plurality of subunits and a second water jetting area having a second aperture therein. The subunits are arranged to present an arc-shaped distribution, each defining therein a plurality of first apertures. The subunits are in a fan-shaped area of the jet faceplate so that the water line of the ejected water can be concentrated and fan-shaped, enhancing the effect of removing dirt.
Owner:GLOBE UNION INDAL

Washing machine and washing control method

The invention relates to a washing machine and a washing control method. The washing machine comprises a primary filter and a secondary filter, the two of which are communicated with a washing cylinder, respectively; the water outlet of the primary filter is communicated with the water inlet of the secondary filter; an adjustment system is connected to the primary filter and used for increasing the speed of water flow going into the primary filter. The washing machine has the advantages that the degrees of cleanliness of the primary filter and the secondary filter are increased, the service life of the primary filter and that of the secondary filter are prolonged, and the water purifying and water saving efficiency also can be improved.
Owner:HAIER GROUP TECHN R&D CENT +1

Irrigation system combining mark irrigation and spray irrigation

The invention discloses an irrigation system combining mark irrigation and spray irrigation. The irrigation system comprises an irrigation control system and a remote control system, the irrigation control system comprises a first information detection module and a second information detection module, output ends of the first information detection module and the second information detection module are electrically connected with an input end of an information acquisition module, and an output end of the information acquisition module is electrically connected with an input end of a central processing unit. Water absorption intensity in plant root soil and soil humidity below a land surface can be detected by the aid of a pressure sensor and a first humidity sensor, the water supply quantity of mark irrigation is calculated by the aid of a first operation processing module, the humidity and the temperature of the air in the land surface are detected by the aid of a second humidity sensor and a temperature sensor, the water supply quantity of spray irrigation is calculated by the aid of a second operation processing module, plant roots and branch leaves can obtain moisture by combining mark irrigation and spray irrigation, and water-saving effects are improved.
Owner:SHANDONG SUNWAY LANDSCAPE TECH

High-efficiency ore washer with water-saving function for mining mineral products

The invention relates to a high-efficiency ore washer with a water-saving function for mining mineral products. The high-efficiency ore washer comprises a cleaning mechanism and a water circulation mechanism, the cleaning mechanism comprises a conveying belt, a power device, a second water pipe, a lifting plate, a driving assembly, two supports, two supporting rods, two rollers, two connecting assemblies and at least two nozzles, the water circulation mechanism comprises a water collecting tank, a water suction pump, a water outlet pipe, a water storage tank, a first water pipe and at least two filtering assemblies, wherein the connecting assemblies comprise connecting sleeves, connecting rods and elastic ropes, and each filtering assembly comprises a filter screen, two guide rails and two limiting grooves. According to the high-efficiency ore washer with the water-saving function for mining the mineral products, ore can be uniformly spread through the cleaning mechanism, so that the cleaning effect of the ore washer on the ore is improved, water resources can be filtered through the water circulation mechanism, so that the recycling of the water resources is realized, the water-saving effect of the ore washer is improved, and the cost for minging the mineral products is reduced.
Owner:广州百士臣科技有限公司

Mechanical equipment for preparing regenerated sand and stone materials by utilizing construction waste particles

The invention relates to the technical field of construction equipment, and in particular to mechanical equipment for preparing regenerated sand and stone materials by utilizing construction waste particles. The mechanical equipment comprises a storage structure, a storage chamber, a dust removal structure, a limiting structure, a discharging structure, a filtering structure and a driving structure; the driving structure is connected to the discharging structure on the storage structure, so that it is convenient for weight sensing through the discharging structure; when a cart is placed on thedischarging structure, the driving structure is used for driving the discharging structure to drive the cart to rotate for discharging, so that discharging is more convenient and faster, materials inthe cart can be completely discharged conveniently, and the discharging quality is greatly improved; the filtering structure is arranged, so that sewage can be conveniently filtered and recycled, itis convenient for pressure relieving on concrete blocks, broken stone blocks, and tile fragments; the dust removal structure used for removing dust of the concrete blocks, the broken stone blocks andthe tile fragments is connected to the driving structure, and the dust removal structure can be conveniently driven by the driving structure to conduct watering and dust removal on the concrete blocks, the broken stone blocks and the tile fragments in a multi-angle mode.
Owner:杭州欣禾工程管理咨询有限公司

Distilled water preparation device

The invention provides a distilled water preparation device. The distilled water preparation device utilizes waste heat of a refrigeration system to realize preparation of distilled water. The distilled water preparation device comprises a tap water storage container, an evaporation unit, a condensation unit, a first distilled water storage container, a second distilled water storage container, a waste water container and a vacuum device. A water condensation assembly in the refrigeration system is located in the evaporation unit and is used for heating tap water in the evaporation unit, and an evaporation assembly is located in the condensation unit and is used for condensation of vapor produced by the evaporation unit so that the distilled water preparation device can fully utilize waste heat of the refrigeration system to heat tap water. In the refrigeration system, a refrigeration working medium cycling continually can replace tap water as a condensation medium so that energy saving and water saving effects of the existing distilled water preparation device are further improved.
Owner:UNIV OF SHANGHAI FOR SCI & TECH

Washing machine control method and device and washing machine

The invention relates to a washing machine control method and device and a washing machine. The washing machine control method includes the steps of collecting water quality information of sewage in asewage storage tank of the washing machine, judging whether the water quality of the sewage meets the preset standard or not according to the water quality information, if yes, sending a water purifying instruction to a filtering purifier, and if not, sending a sewage discharging instruction. Through the method, the washing machine can send the water purifying control instruction or the sewage discharging control instruction according to the water quality conditions of the sewage in the sewage storage tank, on one hand, the discharging waste of the sewage meeting the water quality standard inthe sewage storage tank is avoided, and on the other hand, the resource waste and clothes contamination caused by the water purifying operation of the sewage not meeting the water quality standard inthe sewage storage tank are avoided. Thus, the water saving performance, use intelligence and user experience of the washing machine using the method are improved.
Owner:BEIJING XIAOMI MOBILE SOFTWARE CO LTD

Spraying irrigation device for garden construction

The invention belongs to the technical field of garden construction, and particularly relates to a spraying irrigation device for garden construction. Aiming to solve the problems that an existing garden irrigation device cannot collect rainwater and is poor in water saving effect, now the following scheme is proposed: the spraying irrigation device for garden construction comprises a first waterguide pipe, wherein second water guide pipes vertically arranged at equal intervals are fixedly mounted on the outer wall of one side of the top of the first water guide pipe, a gear ring is connectedto the outer wall of the middle of the circumference of each second water guide pipe through a bearing, and an annular water distribution pipe is fixedly mounted on the outer wall of the top of eachgear ring. In the spraying irrigation device for garden construction provided by the invention, rotating motors, gears and gear rings are arranged on the second water guide pipes, and in a using process of the device, the rotating motors can drive the gears and the gear rings to rotate, and then drive the annular water distribution pipes and third water guide pipes to rotate, so that a spraying range can be effectively widened in a water spraying irrigation process, and thus adequacy of irrigation is improved.
Owner:徐露

Special corrosion and scale inhibitor for high concentration index recycling water and preparation method of special corrosion and scale inhibitor

The invention discloses a special corrosion and scale inhibitor for high concentration index recycling water and a preparation method of the special corrosion and scale inhibitor. The special corrosion and scale inhibitor is prepared from the following raw materials in percentage by weight: 15-25% of acrylic acid-acrylic ester-phosphonic acid-sulfonate quadripolymer, 20-25% of carboxylic acid-sulfoacid-acrylic ester terpolymer, 15-20% of 2-hydroxyphosphonoacetic acid, 10-20% of phosphino-carboxylic acid, 2-3% of zinc sulfate heptahydrate and the balance of deionized water. The corrosion and scale inhibitor has the excellent effects of scale inhibition, corrosion inhibition, prefilming and bacteria and algae growth inhibition, a recycling cooling water system can operate under the situationthat the concentration rate of the recycling water is 10-40 by adjusting the dosage when the inhibitor is applied to the recycling cooling water system, the water saving effect is much more higher than that of existing drugs on the market, the corrosion and scale inhibitor realizes the effect of zero drainage of the recycling water, can be widely applied to all recycling water for coking, rubber,chloro-alkali and fertilizer, and has a good effect on equipment such as carbon steel, stainless steel and copper; the corrosion and scale inhibitor has considerable economic benefits and social benefits and high popularization value.
Owner:郭福然
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