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

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.

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.

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.

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.

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.

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.

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.

The invention belongs to the technical of farm planting, and particularly relates to an olive planting method. The olive planting method includes the following steps: S1, seedling propagation; S2, planting furrow digging; S3, irrigation pipe pavement; S4, transplanting; and S5, management. The beneficial effects of the technical scheme of the invention are that: 1), Olea europaea is used as a stock, and the Olea europaea is developed in root system, is high in survival rate, is drought-resisting, is excellent in adaptation, heat resistance and cold resistance, and can supply water and nutriments to the olive; 2) various varieties are planted in a blending manner, foliage dressing is performed, and then the fruit setting rate and the seed-setting rate of the olive can be improved; and 3) a trace irrigation system is adopted so as to achieve automatic watering and fertilizing, and water, fertilizer and energy can be effectively saved.

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.

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.

The invention discloses a marine organism spray-seeding matrix for slope protection and an implementation process thereof. The marine organism spray-seeding matrix comprises the following components in parts by weight: 20-25 parts of soil, 20-25 parts of shell powder, 5-10 parts of seaweed-based biochar, 10-15 parts of hermetia illucens sand, 10-15 parts of expanded fibers, 2-6 parts of a soil conditioner, 8-10 parts of a slow-release compound fertilizer and 0.05-0.7 part of plant seeds. Most raw materials of the matrix are from agricultural production solid wastes and domestic solid wastes, the solid wastes are recycled through fine processing of the wastes, and the shell powder and the hermetia illucens sand contain various probiotics, so that the construction of a soil microbial ecological system can be accelerated.

A concrete curing agent is prepared from the following raw materials in parts by weight: 9-11 parts of aluminium sulfide, 5-8 parts of chlorosulfonated polyethylene, 3-9 parts of industrial soap, 5-8 parts of ethanol, 7-10 parts of lauryl sodium sulfate, 5-7 parts of seconda-grade fly ash, 7-11 parts of 4-isooctyl phenol, 6-8 parts of corn protein powder, 3-9 parts of dehydroacetic acid, 4-8 parts of sodium tripolyphosphate, 2-5 parts of hydrochloric acid, 9-16 parts of methyl methacrylate, 3-8 parts of divinyl benzene, 5-10 parts of ammonium persulfate and 4-11 parts of ethylene glycol. The beneficial effects of the concrete curing agent are that, the concrete curing agent can be high-efficiency, water-saving, and convenient in construction, can be used in large area, and can be widely used in airports, highways, buildings and other aspects.

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.

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.

The invention discloses an intelligent control water-saving system based on liquid level detection and relates to the field of intelligent shower systems. The intelligent control water-saving system comprises a shower device and a water saving device, the water saving device comprises a single chip microcomputer, a liquid level detection circuit, an electromagnetic valve set, the ground and a toilet, and the liquid level detection circuit and the electromagnetic valve set are both electrically connected with the single chip microcomputer; a waste water pipe is arranged in the ground, and wastewater of the shower device is connected with the toilet through the waste water pipe. The intelligent control water-saving system solves the problems of large waste of shower waste water and single water inlet source of a water tank of the toilet in the prior art, and achieves the effects of reusing used hot water and preserving heat at the same time.

The invention provides a multi-root-zone cyclic alternative drip irrigation method which comprises the following steps: planting crops, burying a vortex-shaped water-fertilizer-gas integrated drip irrigation pipe in a planting hole, dividing the water-fertilizer-gas integrated drip irrigation pipe into four zones by adopting a cross zoning method, taking the average soil moisture content detected by the soil probes on all drip irrigation emitters in the same root zone as the soil moisture content of the root zone, and representing the average soil moisture content by E; the first root zone, the second root zone, the third root zone and the fourth root zone of the drip irrigation pipe are controlled to circularly execute a normal water, fertilizer and gas irrigation strategy in sequence, so that the root zone with the dry root system appears circularly and alternately. According to the invention, drip irrigation is carried out on the root division area circularly and alternately, so that a stress effect occurs in the dry root area, and the effect of efficiently saving water without sacrificing photosynthetic products of crops is achieved.

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.

The invention relates to a compact turbid circulating water treatment station. The compact turbid circulating water treatment station comprises a horizontal sedimentation pond, a mud residue tank, a sand filter, a cooling tower, a water cooling pond, a sludge tank, a sludge thickening pond, a centrifugal dehydrator, dosing equipment, a station building framework, a water pump system and a sludge pump system. The compact turbid circulating water treatment station adopts a three-dimensional arrangement, so that the occupied area of the water station is optimized to the maximum extent, and the water treatment station is conveniently arranged; single space can be fully utilized; the compact turbid circulating water treatment station is suitable for new projects and technical innovation. Wastewater in the water treatment station is in cascade use, so that water is efficiently saved and sewage discharge is reduced. A simple and efficient technology for sludge treatment has the advantages ofless sludge, convenience in operation and reduced treatment cost and outbound cost.

The invention discloses a new-energy water-heat supply system. The system is formed by connecting a water heater consisting of a liner, a shell and new-energy superconducting liquid with a circulating pump, a nozzle and a radiator provided with the new-energy superconducting liquid through pipelines. The new-energy water-heat supply system has the advantages of solving the problems of using a large amount of water for heating, efficiently saving water, fully preserving heat, operating in 40 percent of state and efficiently saving power.

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.

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.

The invention discloses a liquid level detection system based on a shower device, which relates to the field of liquid level detection; it includes a control device, a floor and a toilet, the control device includes a single-chip microcomputer, a liquid level detection circuit and an electromagnetic valve group, and the liquid level Both the detection circuit and the electromagnetic valve group are electrically connected to the single-chip electromechanical; the ground is provided with a waste water pipe, and the waste water is connected to the toilet through the waste water pipe; it also includes a shower device, and the shower device includes a cold water pipe, a hot water pipe, a hand shower 1. The water inlet pipe of the hand-held shower and the top-spray shower; the present invention solves the problems of serious waste of existing shower devices and a single water source for the toilet tank, and achieves the effect of reusing used hot water while saving water and keeping warm.

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.

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.

The invention discloses an odorless urinal with deep and shallow water seals. The odorless urinal is characterized by comprising a urinal main body, a shallow water seal, a urinal funnel, an U-shapeddeep water seal, a deep water seal line, a sewage outlet, a concave urination pot bottom, a urine inlet pipe and a shallow water pipe, and is mainly characterized in that the shallow water seal at thebottom of the urinal funnel is sleeved with the U-shaped deep water seal, so that urine discharged from a human body is immediately discharged outside the shallow water pipe in order, urine is immediately replaced below the shallow water seal by urine discharged from a human body later before releasing odor, and the problems of releasing strong urinary odor and wasting water resources during theuse of an existing urinal are completely solved.

The invention discloses a cooling tower water recovery device. The cooling tower water recovery device includes a recovery tower body, an electrostatic water recovery device, a pre-embedded casing pipe, a PVC water spraying padding, a base, a fiberglass-reinforced bracket, and a UPVC water distribution pipe; the base is arranged in an inner side of the recovery tower body; the base is provided with the fiberglass-reinforced bracket; the fiberglass-reinforced bracket is provided with the PVC water spraying padding; the UPVC water distribution pipe is arranged on the upper side of the PVC water spraying padding; the pre-embedded casing pipe is connected to the UPVC water distribution pipe; and the electrostatic water recovery device is arranged on the upper side of the UPVC water distribution pipe. After a cable and a power supply electric control part are connected, the cooling tower water recovery device can be used; the cooling tower water recovery device is simple and easy to use; after use, evaporation loss and windage loss can be decreased by 85%, and the high-efficient water conservation and energy conservation can be achieved; and when the cooling tower water recovery device is in failure, power plant operation cannot be affected.

The invention discloses a high-efficiency water-saving valve with two-stage control. The working device is a conical water pipe (1), a conical water plug (2), and a rubber spring with variable stiffness (3). The control device is a water plug pull rope (5 ), foot pedal (6), reset rubber spring (7), auxiliary device is water valve bottom cover (4), positioning collar (8), heel shaft (9), ground pit (12), the right side of the valve It is water inlet (10), and the left side is water outlet (11). The present invention designs a two-stage control high-efficiency water-saving valve. First, it can avoid the second pollution of human hands. When washing and washing, it is not necessary to control the valve with hands, but to control the water outlet and stop water through the control device with feet; second, it can efficiently save water. Water, people can save up to 30‑50% of water when washing their hands or face with detergent; the third is to meet individual water needs, either large flow of water or small flow of water, both Water can be used for a short time or for a long time.

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.

The invention relates to a spring damping delay control device used for vacuum toilet related equipment, which includes an input and output unit, an energy unit, a power unit, an execution unit and a control unit; the input and output unit includes a shell and is installed on the shell input interface and output interface, and a control interface for triggering the work of the energy unit and the control unit; the energy unit includes a large flush button assembly and a small flush button assembly; the power unit includes a diaphragm assembly that can realize piston movement The execution unit includes a slide valve assembly connected to the diaphragm assembly; the control unit includes a needle valve assembly and a one-way valve assembly; the present invention adopts a spring-damping delay control device to control, avoiding the gas pressure difference adopted abroad For energy conversion, there is no need for other control methods and energy types such as solenoid valves, batteries, solar energy, and wind energy, and the input cost is low; the structure design is compact, the space occupation rate is small, the types and quantities of parts are small, and the reliability is high.