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42results about How to "Efficient water saving" patented technology

High-yield planting method for preventing and treating corn stem rot in semi-arid regions

InactiveCN105284394ASolve the problem of sowing germination rateReturning to the field will not affectPlant cultivationCultivating equipmentsEcological environmentSoil science
The invention discloses a high-yield planting method for preventing and treating corn stem rot in semi-arid regions, belonging to the technical field of agricultural planting and culturing. The high-yield planting method comprises the following steps: land selection and preparation, seed selection, seed treatment, ridging, base fertilizer application, seeding, drop irrigation, water feeding, weeding, membrane lamination, top application, field management, corn stem rot prevention, harvesting and the like. According to the high-yield planting method, the problem that the seeding emergence rate of corns in the second year is influenced by the total straw application of straws is solved; by processing corn seeds, the emergence rate can be improved by more than or equal to 5%, and the straw turnover in the second year is not influenced; the preventing and treating effect of the corn stem rot reaches more than or equal to 70%; water is saved by more than or equal to 40%, and the corn yield is increased to be 800-1000 kilograms per hectare; adverse factors caused by the ecological environment to the agricultural production are overcome, the traditional agricultural production mode is changed, the unit yield is increased, the yield and the efficiency are increased, and the effects of reducing wind erosion of soil, protecting the environment and improving the drought resisting capacity and the production stability of crops are achieved.
Owner:JILIN ACAD OF AGRI SCI

Spring damping delay control device for vacuum toilet related equipment

The invention relates to a spring damping delay control device for vacuum toilet related equipment. The spring damping delay control device comprises an input and output unit, an energy unit, a powerunit, an execution unit and a control unit, wherein the input and output unit comprises a shell body, an input interface and an output interface which are installed on the shell body, and a control interface used for triggering the energy unit and the control unit to work; the energy unit comprises a large flushing button assembly and a small flushing button assembly; the power unit comprises a diaphragm assembly capable of achieving piston movement; the execution unit comprises a slide valve assembly connected with the diaphragm assembly; and the control unit comprises a needle valve assemblyand a one-way valve assembly. The spring damping time delay control device is adopted for control, gas pressure difference adopted abroad for transduction is avoided, other control modes and energy types such as an electromagnetic valve, a battery, solar energy and wind energy are not needed, and the input cost is low; and the structural design is compact, the space occupancy rate is small, the types and number of parts are small, and reliability is high.
Owner:QINGHUAN TUODA (SUZHOU) ENVIRONMENTAL TECH CO LTD

Treatment equipment for recycling car washing waste water and automatic control system

The invention discloses treatment equipment for recycling car washing waste water and an automatic control system. The treatment equipment comprises a combined tank, an ozone generator, an ozone mixed disinfection tank and a recycling water tank, wherein the combined tank consists of an oil-removal grit tank, an anaerobic adjusting tank, a biochemical reaction tank and a flat-panel membrane bioreactor (MRB) tank; an aeration head and an aeration pipe are respectively arranged in the biochemical reaction tank and the flat-panel MRB tank; a flat panel membrane, a suction pipe and a suction hoseare arranged in the flat-panel MRB tank; a membrane cleaning medicine liquid storage tank is connected with the suction pipe; the inlet of a water inlet self-sucking pump is communicated with the anaerobic adjusting tank; the outlet of the water inlet self-sucking pump is connected with the biochemical reaction tank; a inlet of a water outlet self-sucking pump is connected with the suction pipe; the outlet of the water outlet self-sucking pump is connected with the inlet of the ozone mixed disinfection tank through a water outlet pipe; the outlet of the ozone mixed disinfection tank is connected with the recycling water tank; the ozone generator is connected with the water outlet pipe through a jet device; and the biochemical reaction tank is communicated with the anaerobic adjusting tankthrough a discharge pipe. The control system comprises an equipment field control module, a sub-control platform module for a car washing station, a remote main control platform module and a third-party remote monitoring platform module. The treatment equipment and the automatic control system can be applied to the field of recycling of the car washing waste water.
Owner:SHENZHEN HUIQING TECH

Integrated control system for micro-moistening irrigation water and fertilizer

ActiveCN107182717AIrrigation automaticContinuous irrigationClimate change adaptationWatering devicesFertilizerVideo server
The invention relates to an integrated control system for micro-moistening irrigation water and fertilizer, and belongs to the technical field of automatic control of water-saving irrigation. The integrated control system comprises an in-situ measurement and control system, a central station monitoring system and an Internet application system; the in-situ measurement and control system and the central station monitoring system are connected in a wireless communication mode, and the central station monitoring system is connected to a network application through Ethernet and then connected to the Internet application system. The in-situ measurement and control system comprises a control box, a sensor module and the like; the central station monitoring system comprises a video server, a database server and the like; the Internet application system comprises a network application server and the like. The Internet application system is connected with central stations located in different geographic places, and provides services of remote access and monitoring and data analysis and query. According to the integrated control system for the micro-moistening irrigation water and fertilizer, by the adoption of Internet and a data analysis method, optimal irrigation and fertilization models of different crops at different locations can be conveniently queried, the agricultural production efficiency can be improved, and the automatization and intellectualization of agricultural production can be achieved.
Owner:KUNMING UNIV OF SCI & TECH

Sleeve type crop oxygenation irrigation system

A sleeve type crop oxygenation irrigation system comprises a control system, an air supply integration system, a water supply integration system, a main air pipe, a main water pipe, a branch air pipe, a branch water pipe and a water-air combiner. The sleeve type crop oxygenation irrigation system is characterized in that the air supply integration system and the water supply integration system are respectively connected with the control system, an air outlet of the air supply integration system is connected with the main water pipe, and a water outlet of the water supply integration system is connected with the main water pipe. The main air pipe and the main water pipe is connected with the branch air pipe and the branch water pipe respectively through the water-air combiner, the branch air pipe is installed in the branch water pipe through the water-air combiner, and the branch air pipe and the branch water pipe are provided with a plurality of pores for inside and outside communication. The sleeve type crop oxygenation irrigation system has the advantages of efficient oxygenation, water saving, energy saving and environmental protection and is of great significance for promoting crop yield and income increase, saving water resources and achieving agricultural ecological sustainable development.
Owner:HUNAN AGRICULTURAL UNIV

Fluid cooling method and device

The invention relates to a fluid cooling method and device. The device comprises an air cooler. The air cooler at least comprises finned tubes composed of fluid pipes and fins, wherein cooled fluid circulates in the fluid pipes, and the fins are connected with the outer sides of the fluid pipes, arranged at intervals and composed of flaky thin plates. The single side or two sides of the surface ofeach flaky thin plate are coated with a hydrophilic coating layer or hydrophilic coating layers. The flaky thin plates are in contact with circulating air. During cooling of the air cooler to the fluid, water is distributed to the finned tubes in the time frame of high atmospheric temperature, and in the time frame of low atmospheric temperature, no water is distributed to the finned tubes, or water is distributed to the finned tubes in a segmentation manner. According to the fluid cooling method and device, the surfaces of the fins are coated with hydrophilic coating, uniform and stable water films are formed on the surfaces of the fins in a wind blocking and water distribution manner, in the atmosphere high temperature time frame, water film water vaporization latent heat absorption, forced evaporation and heat exchange are directly carried out on the fins, and the cooling capacity of equipment is greatly improved. The fluid cooling method and device have the beneficial effects of being remarkable in water saving effect, low in investment cost and low in operating cost.
Owner:TIANJIN UNIV

An efficient water-saving intelligently controlled shower system

The invention discloses an efficient water-saving intelligently controlled shower system, and relates to the field of intelligent shower systems. The system includes a cold water pipe, a hot water pipe, a handheld shower head and a top shower head. The cold water pipe and the hot water pipe are connected and then connected into a water feeding pipe of the top shower head. The handheld shower headis disposed on the water feeding pipe of the top shower head. The system also includes an inclined ground surface and a toilet. The lower end of the ground surface is provided with a wastewater inlet,and the higher end is provided with a wastewater outlet. A spiral wastewater pipe is between the wastewater inlet and the wastewater outlet. The toilet is provided with a water storage tank. The bottom of the water storage tank is provided with a toilet water feeding pipe. The wastewater outlet is connected to the toilet water feeding pipe and a floor drain pipe through pipes respectively. The system overcomes a problem that much shower wastewater is wasted, and a problem that shower and bathroom temperatures are inconvenient to adjust, and achieves an effect of increasing the temperature ina bathroom by reutilizing used hot water and efficiently saving water at the same time.
Owner:CHENGDU FUZHONGCHENG TECH CO LTD

Pulse backwashing deep bed filter device and method

The invention discloses a pulse backwashing deep bed filter device and a method, and belongs to the technical field of automatic control. A set of device may be provided with 1, 2.....n pulse backwashing deep bed filters; the pulse backwashing deep bed filter comprises a casing, a water collection mechanism arranged on the lower part of the casing and a connecting tube thereof, a water distributing mechanism arranged on the upper part of the casing and a connecting tube thereof, a filter material cushion layer arranged on the lower part of the casing, a filter material arranged in the middle part of the casing, and a filter material height detection device arranged on the upper part of the casing; a backwashing pump is a centrifugal pump, the rotating speed of an arranged motor can be regulated in variable frequency; a flow detection device is arranged on a main backwashing pipeline of a backwashing pump outlet; a control cabinet is provided with a PLC (programmable logic controller), and also provided with a frequency converter for regulating the rotating speed of the backwashing pump; the flow detection device and the filter material height detection device are provided with detection signal output ends which are connected with signal acquisition ends of the PLC. The effect of the pulse backwashing deep bed filter device is that: water-saving high-efficiency cleaning of a filtering layer can be performed by used of backwash water producing flow fluctuation.
Owner:BC P INC CHINA NAT PETROLEUM CORP +2

Hydraulic high-efficiency water-saving toilet stool

The invention discloses a hydraulic high-efficiency water-saving toilet stool and relates to a water-saving toilet stool. The water-saving toilet stool comprises three systems, namely a main body system, a water tank system and a spray washing system. The main body system comprises a base, a tank body and a urinal; the water tank system comprises a wash-basin, a water accumulating tank and a water quality treatment tank; and the spray washing system comprises a water-saving spray washing device, a sewage intercepting and discharging device and a pedal hydraulic device. The wash-basin is positioned on the upper part of the water tank system and the bottom of the wash-basin is connected with the water accumulating tank; the bottom of the water accumulating tank is connected with the upper part of the water quality treatment tank and is communicated with the water quality treatment tank through a water feeding port; an automatic water-saving interchange valve is arranged inside the wateraccumulating tank; a plurality of layers of nano reverse osmosis filter screens and biological purification chambers are arranged at intervals inside the water quality treatment tank so as to recyclethe reclaimed water or waste water into pure water; the water-saving spray washing device is arranged on one side of the water accumulating tank and a water outlet stop valve which leads the accumulated water into the water-saving spray washing device is arranged inside the water accumulating tank; and the sewage intercepting and discharging device has the functions of directly discharging and stopping backward flowing and realizes spray washing and sewage drain through the pedal hydraulic device. The hydraulic high-efficiency water-saving toilet stool has the advantages of advanced technicalperformance, comprehensive and high-efficiency water conservation, extremely low installation and use cost, wide application and durability.
Owner:LIUZHOU JINGYANG ENERGY SAVING TECH RES DEV

Treatment equipment for recycling car washing waste water and automatic control system

The invention discloses treatment equipment for recycling car washing waste water and an automatic control system. The treatment equipment comprises a combined tank, an ozone generator, an ozone mixed disinfection tank and a recycling water tank, wherein the combined tank consists of an oil-removal grit tank, an anaerobic adjusting tank, a biochemical reaction tank and a flat-panel membrane bioreactor (MRB) tank; an aeration head and an aeration pipe are respectively arranged in the biochemical reaction tank and the flat-panel MRB tank; a flat panel membrane, a suction pipe and a suction hose are arranged in the flat-panel MRB tank; a membrane cleaning medicine liquid storage tank is connected with the suction pipe; the inlet of a water inlet self-sucking pump is communicated with the anaerobic adjusting tank; the outlet of the water inlet self-sucking pump is connected with the biochemical reaction tank; a inlet of a water outlet self-sucking pump is connected with the suction pipe; the outlet of the water outlet self-sucking pump is connected with the inlet of the ozone mixed disinfection tank through a water outlet pipe; the outlet of the ozone mixed disinfection tank is connected with the recycling water tank; the ozone generator is connected with the water outlet pipe through a jet device; and the biochemical reaction tank is communicated with the anaerobic adjusting tank through a discharge pipe. The control system comprises an equipment field control module, a sub-control platform module for a car washing station, a remote main control platform module and a third-party remote monitoring platform module. The treatment equipment and the automatic control system can be applied to the field of recycling of the car washing waste water.
Owner:SHENZHEN HUIQING TECH

Direct discharging sealing system of closestool

The invention discloses a direct discharging sealing system of a closestool. The system comprises a toilet waste collector, wherein a ball valve is arranged in the lower neck of a cavity neck of the toilet waste collector; the ball valve is provided with a discharge hole; two blind holes are symmetrically arranged on the side walls of the ball valve; one ends of two central shaft assemblies are connected in the two blind holes; the other ends of the two central shaft assemblies penetrate through the cavity neck of the toilet waste collector; the end of any one central shaft assembly, which is arranged outside the cavity neck, is provided with a rod through hole; a first power cylinder is arranged at one side of the toilet waste collector; one end of a piston rod in the first power cylinder goes out of the first power cylinder and is connected with one end of a connecting rod; the other end of the connecting rod is inserted into the rod through hole; a front pipe connector and a rear pipe connector are arranged on the upper surface of the first power cylinder; a second power cylinder device is arranged at the rear part of the toilet waste collector; a time delay unit is connected with the upper surface of the second power cylinder device; a front connector and a rear connector are arranged on the lower part of the side wall of the time delay unit; the front connector and the front pipe connector are connected by a pipeline; and the rear connector and the rear pipe connector are connected by a pipeline. The system has the advantages of high efficiency, water saving, low fault rate and pathogen source isolation.
Owner:汤炳生

Production method of PVB resin

The invention provides a PVB resin production method, and the method comprises the steps: a) mixing a PVA aqueous solution, hydrochloric acid and butyraldehyde, carrying out a reaction, carrying out first pH value adjustment, and maintaining for 20-40 min to obtain a reaction mixture; b) cooling the reaction mixture obtained in the step a), centrifugally washing the reaction mixture with a sodium hypochlorite aqueous solution for 4-8 times, adjusting the pH value for the second time, keeping the pH value for 30-60 minutes, centrifugally washing the reaction mixture with deionized water for 1-3 times, and finally centrifugally dewatering and drying the product to obtain PVB resin; wherein the concentration of the sodium hypochlorite aqueous solution is 1wt%-3wt%. Compared with the prior art, the production method provided by the invention adopts specific steps, conditions and parameters, realizes better overall interaction, can realize high-efficiency water saving and increase the yield, and the obtained product has better quality, and has the advantages of favorable adhesive strength, high light transmittance, low haze, low yellowing, favorable water resistance and favorable water resistance after being manufactured into a PVB membrane; and the method can be applied to manufacturing of various laminated glass.
Owner:HUZHOU XINFU NEW MATERIALS CO LTD

Irrigation method for inducing downward growth of root system based on wet point duration deviation

According to the irrigation method for inducing the downward growth of the root system based on the wet point duration deviation, the draft of the root system in several days is judged based on the wet point duration deviation, then soil water, fertilizer and gas vertical regulation judgment is conducted, the water and fertilizer liquid is made to be located at the position far away from the root tip all the time, and the root system can grow downwards according to the water and fertilizer tropism principle and the stress effect of the root system. Inducing the root system to gradually grow downwards. Therefore, root systems among plants are prevented from winding to grab nutrients during close planting, the contact area of the root systems and soil is increased, and the root systems fully absorb moisture in deep soil, so that waterlogging resistance, drought resistance and wind resistance of crops are improved, and stable yield and yield increase of the crops are facilitated. After induction is finished, the drip irrigation device can be used for subsequent irrigation requirements, layered fixed-point fixed-area drip irrigation with controllable flow can be carried out on crop roots, nutrient requirements of different root areas can be met, and efficient water saving is achieved.
Owner:GUANGZHOU UNIVERSITY

Liquid cooling method and device

The invention relates to a fluid cooling method and device. The device comprises an air cooler. The air cooler at least comprises finned tubes composed of fluid pipes and fins, wherein cooled fluid circulates in the fluid pipes, and the fins are connected with the outer sides of the fluid pipes, arranged at intervals and composed of flaky thin plates. The single side or two sides of the surface ofeach flaky thin plate are coated with a hydrophilic coating layer or hydrophilic coating layers. The flaky thin plates are in contact with circulating air. During cooling of the air cooler to the fluid, water is distributed to the finned tubes in the time frame of high atmospheric temperature, and in the time frame of low atmospheric temperature, no water is distributed to the finned tubes, or water is distributed to the finned tubes in a segmentation manner. According to the fluid cooling method and device, the surfaces of the fins are coated with hydrophilic coating, uniform and stable water films are formed on the surfaces of the fins in a wind blocking and water distribution manner, in the atmosphere high temperature time frame, water film water vaporization latent heat absorption, forced evaporation and heat exchange are directly carried out on the fins, and the cooling capacity of equipment is greatly improved. The fluid cooling method and device have the beneficial effects of being remarkable in water saving effect, low in investment cost and low in operating cost.
Owner:TIANJIN UNIV

Water recycling device for cooling tower

The invention discloses a water recycling device for a cooling tower. The water recycling device for the cooling tower comprises a recovery tower body, an electrostatic water collecting device, a pre-buried casing sleeve, a PVC packing, a base, a glass reinforced plastic supporting frame and a UPVC water distributing pipe. The base is arranged on the inner side of the recovery tower body. The glass reinforced plastic supporting frame is installed on the base. The PVC packing is arranged on the glass reinforced plastic supporting frame. The UPVC water distributing pipe is arranged on the upper side of the PVC packing. The pre-buried casing sleeve is connected with the UPVC water distributing pipe. The electrostatic water collecting device is arranged on the upper side of the UPVC water distributing pipe. After cables are connected with an electronic control portion of a power source, the water recycling device for the cooling tower can be put into use. The water recycling device for the cooling tower is easy and convenient to use; and after the water recycling device for the cooling tower is used, the evaporation loss and the wind loss are reduced by 85%, and therefore efficient water saving and energy saving are achieved. When the water recycling device for the cooling tower loses effectiveness, no influence is generated on operation of a power plant.
Owner:HUANGSHI YONGMING ENVIRONMENTAL PROTECTION TECH CO LTD

Heat exchange system adopting cold source control method to realize intelligent constant temperature and control method of heat exchange system

The invention relates to a liquid heating technology, discloses a heat exchange system adopting a cold source control method to realize intelligent constant temperature and a control method of the heat exchange system and aims at solving the problem that the liquid temperature needed to be manually regulated of the existing beverage machines including drinking water machines. The heat exchange system adopting the cold source control method to realize intelligent constant temperature comprises a heating system, a heat exchange system and a liquid inlet pipe which sequentially passes through theheat exchange system and the heating system and is used for introducing a liquid to be heated; a hot liquid pipe and a warm liquid pipe are connected to one end, extending out of the heating system,of the liquid inlet pipe; the warm liquid pipe penetrates through the heat exchange system; heat exchange is performed on the high-temperature liquid in the water liquid pipe to become a medium temperature liquid by the heat exchange system; a temperature control sub-pipe is connected to the liquid inlet pipe; the two ends of the temperature control sub-pipe are connected to the liquid inlet pipeand pass through front section and the back section of the heat exchange system respectively; and the liquid inlet pipe is provided with an electromagnetic valve and a control system for controlling starting and closing of the electromagnetic valve. The heat exchange system has the effect of automatically regulating the liquid temperature according to different environments.
Owner:HANGZHOU JIEFURUI TECH

Hierarchical electronically controlled high-efficiency water-saving device

The invention discloses a hierarchical electric-control high-efficiency water saving device. A working part is formed by a conical plastic water pipe (1) and a conical steel water plug (2), a transmission part is formed by a steel plastic spring (3), a cylindrical silicon steel sheet group (4), a small screw coil (6) and a large screw coil (7), a control part is formed by a pedal plastic plate (8), a small coil switch (9), a large screw coil switch (10) and a variable rigidness return spring (11), and an auxiliary part is formed by a thin rubber cover (16), a water valve bottom cover (5), a white rubber blanket (12) and a sewer pipe (15). By adopting the hierarchical electric-control high-efficiency water saving device, the secondary pollution of hands of people can be avoided, and the water outlet and water stopping can be controlled by feet through the control part when in washing; secondly, the water can be high efficiently saved, and the water can be saved by 50 percent when people wash face; thirdly, the personalized water consumption demand can be satisfied, the water can be used at a large flow rate and also can be used at a small flow rate, and the water can be used for a short time and also can be used for a long time.
Owner:HENAN POLYTECHNIC UNIV

A device that uses two-stage cooling to solve the problem of antifreeze corrosion of silicon rectifier components

The invention relates to a device for solving the problem of antifreeze corrosion of silicon rectifier components, in particular to a device for solving the problem of antifreeze corrosion of silicon rectifier components by adopting two-stage cooling. It includes the primary cooler of the rectifier element, the return pipe of the primary cooler of the rectifier element is connected to one end of the first water pump, the other end of the first water pump is connected to the water inlet pipe, and the water inlet pipe passes through the plate heat exchanger for heat exchange, plate heat exchange The two ends of the heat exchange pipeline of the device are connected with the water air cooler. It solves the freezing problem of the traditional water-air cooling device of the rectifier in the cold area when the outdoor air-cooled heat exchange device freezes in case of power failure or maintenance, and ensures normal use in cold areas with harsh environments. It solves the problem that the traditional rectifier water-air cooling device corrodes the rectifier components due to the addition of antifreeze. Deionized pure water circulates in a closed environment, which ensures the quality of pure water and reduces the loss of pure water.
Owner:SHENYANG ALUMINIUM MAGNESIUM INSTITUTE
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