131results about How to "No waste of water" patented technology

The invention provides an intelligent irrigation system. The intelligent irrigation system comprises a water storage tank, a medicament mixing tank, a fertilizer mixing tank, a spraying system and an underground irrigation system, wherein one path of passage is formed by the water storage tank, the medicament mixing tank and the spraying system; one path of passage is formed by the water storage tank, the fertilizer mixing tank and the underground irrigation system; the spraying system and the underground irrigation system are arranged respectively and can both be used for irrigating; when pesticide needs to be sprayed to crops, a medicament can be added into the medicament mixing tank and the pesticide is sprayed while irrigation is carried out through the spraying system; when fertilizer needs to be applied to the crops, the fertilizer can be added into the fertilizer mixing tank and the fertilizer can be applied while the irrigation is carried out through the underground irrigation system; uniform application of the pesticide and the fertilizer can be ensured; a humidity sensor is arranged and can be used for detecting moisture content of soil; and the irrigation can be carried out or stopped according to moisture content conditions, so that growth requirements of plants can be met, the yield is improved and water resources are not wasted.

Provided is an automatic water feeding robot for trains. The movable end of a horizontal movement device is connected with one end of a first telescopic arm through a rotary shaft. A rotation driving device is arranged between the horizontal movement device and the first telescopic arm. The rotation driving device can drive the first telescopic arm to rotate around the rotary shaft. An adsorption device is arranged at the other end of the first telescopic arm, and the first telescopic arm is connected with the adsorption device through a traction device. The traction device can drive the adsorption device to move. A second telescopic arm is installed at the fixed end of the first telescopic arm. The first telescopic arm and the second telescopic arm are each internally provided with a telescopic drive device, and the telescopic drive devices can drive the first telescopic arm and the second telescopic arms to be telescopic correspondingly. According to the automatic water feeding robot for the trains, manual operation is not needed at all, water addition to the trains is wholly controlled through programs, the water addition speed is high, no water resource is wasted, the telescopic arms can determine the three-dimension space position through horizontal movement, rotation and telescoping, and the trains stopped on the two sides of a water feeding channel can both be fed with water automatically by installing the automatic water feeding robot on the water feeding channel of a station.

The invention relates to a pipelining emergent repairing method of an underground prestressing steel cylinder concrete pipe (hereinafter referred as to PCCP), in particular to an emergent repairing method for PCCP pipeling damaged by external force. According to the technical solution of the invention, a lining plate is arranged in the inner wall of a pipeline which corresponds to a damaged opening; a screw is arranged on the lining plate; a cover plate which covers the damaged opening is arranged on the external surface of the pipeline which corresponds to an exposed steel cylinder at the damaged opening; a rubber ring is arranged between the cover plate and the steel cylinder; the cover plate and the lining plate are mutually connected; a hollow cavity between the cover plate and the lining plate is filled with concrete; a steel plate which is connected with a sample plate is arranged above the cover plate; and the hollow cavities among the steel plate, the cover plate and a top plate are filled with fine stone concrete. The method can solve the problem that the usual repairing method takes much time, has great waste, high cost, etc.

The invention discloses a sludge drying incineration system based on a thermal power plant. The system comprises a sludge drying system and a sludge mixing incineration system, wherein the sludge drying system comprises a heat supply system, a feeding system, a paddle type sludge dryer, a dead steam treating system, a dead steam recycling system and a dried sludge collecting and handling system; and the sludge mixing incineration system comprises a dried sludge mixing system and a dried sludge incineration system. According to the sludge drying incineration system based on the thermal power plant, sludge is dried through high-temperature steam produced by a boiler of the thermal power plant; the dried sludge is incinerated and the resulting heat is used for producing steam; the whole process is free of pollutant; therefore, an effective way is actually developed for recycling the wastes and treating wastes with the wastes, the social and environmental benefits are obvious, and a feasible way is provided for harmless handling, reducing handling and recycling of sludge.

The invention provides a dry cleaning and screening method and equipment system for bauxite, belonging to the technical field of a mining and mineral separation process. The method comprises the following steps: drying the bauxite into dry ore, breaking and separating the dry ore into ore and muddy silt, screening and separating the ore and the muddy silt to remove the muddy silt, and thus obtaining net bauxite. The structure of the dry cleaning and screening equipment system for the bauxite is as follows: an ore hopper is connected with a bauxite feeding opening of a drying roller through a conveying belt, and a discharging opening of the drying roller is connected with a feeding opening of an ore-mud separator; a coarse ore discharging opening of the ore-mud separator is connected with a crusher, and a discharging opening of the crusher is connected to the feeding opening of the ore-mud separator through a conveying belt. The method can realize the separation of ore and mud without water washing, so that the water resource is not wasted, sewage is not generated, and facilities for sewage treatment and tailings maintenance and preservation are not needed. The mud after ore washing can be completely recycled.

The invention relates to an industrial wastewater physicochemical treatment agent and an application thereof. A physicochemical treatment material HB-F001, a physicochemical treatment oxidizing and adsorbing agent HB-F002 and a physicochemical treatment solid-liquid separating agent HB-F003 are applied to industrial wastewater treatment through stirring, adsorbing, reacting, separating, circulating and the like. The industrial wastewater physicochemical treatment agent solves the problems that the iron-carbon bed hardening subsequent treatment efficiency is low, electricity consumption is high, more materials are consumed and more solid wastes are generated during electrolysis, secondary pollution is caused by plenty of salt generated by repeatedly adjusting the Fenton treatment pH value, the application ranges of photocatalysis and ultrasonic waves are limited, ozone is high in electricity consumption and high in investment, ozone is generated unstably and the treatment effects are unstable, and solves the problems of high treatment cost of a wet oxidation process and safety. The industrial wastewater physicochemical treatment agent substantially increases the wastewater pollutant control and pollution factor removal rate, satisfies reuse water biochemical treatment conditions and treatment cost, is sustainable and stable, avoids secondary pollution, is low in cost, has quite high application values, and really achieves the effect of environmental protection.

The invention relates to an instantaneous water heater. The instantaneous water heater comprises a water inlet pipe, a heating barrel, a water outlet pipe and a water outlet switch, wherein a one-wayvalve I is arranged on the water inlet pipe; the water outlet pipe is a coaxial two-channel water pipe and comprises an outer pipe and an inner pipe; the outer pipe is communicated with the heating barrel and the water outlet switch; one end of the inner pipe is a free end and stops at the water outlet switch; the other end of the inner pipe runs out of the outer pipe at the heating barrel to be connected with the water inlet pipe and the connection is located between the one-way valve I and the heating barrel; and a water pump and a one-way valve II are arranged on the pipeline, of the innerpipe, which is connected to the water outlet pipe and the water inlet pipe, and used for coordinately controlling water to flow back from the water outlet pipe to the water inlet pipe. When used, theinstantaneous water heater achieves the effect that when the water outlet switch is turned on, water flowing out is hot water, so that waiting is not needed and the water waste is reduced.

The invention provides a climate adaptability transparent water storage enclosing structure for a low-energy-consumption building and an operation method and relates to the technical field of building energy saving and building enclosing structures. According to the transparent water storage enclosing structure for the low-energy-consumption building, the problems that as for an current building with a plurality of transparent enclosing structures, the comfort in summer and winter is poor, and energy consumption is high are solved. The transparent water storage enclosing structure for the low-energy-consumption building comprises transparent water storage modules, supporting connecting frames of the transparent water storage modules, an adjustable shading device, a water system pipeline, an outer layer transparent enclosing structure and an automatic control system, wherein the adjustable shading device and the water system pipeline are arranged on the outdoor sides, and the outer layer transparent enclosing structure and the automatic control system can be additionally arranged. The climate adaptability transparent water storage enclosing structure is mainly characterized in that the transparent water storage modules are used for water filling, and thus the thermal inertia and thermal storage property of the enclosing structure are strengthened; a flow resisting layer is used for restraining convection to enhance the thermotechnical efficiency of the transparent water storage modules; meanwhile, relying on simple adjustment of the adjustable shading device in summer and winter, when stored water is overheated in summer, the water is discharged and heat is dissipated, and in the extreme low temperature in winter, the water is discharged to form an air layer for heat preservation; and through reusing of returned water generated by gravity self-flowing and natural daylighting, the indoor thermal comfort is kept, and building energy consumption is reduced.

The invention discloses a production process of environment-friendly cattle hide mattress. The production process includes the following steps: primary tanning, finely cutting, shaping and drying, mill-softening, spray-scalding, cutting, splicing, quality inspection, and storage in storerooms to obtain a real leather mattress finish product. Compared with the prior art, the production process is safe and environment-friendly and is free of pollution. The prepared leather is free of heavy metal and formaldehyde and satisfies environment requirement. By means of a bio-enzyme preparation for degrading and dissolving materials, an aqueous solution for dissolving the materials can be recycled without water resource waste. The prepared leather has a good hand feel, is excellent in elasticity, smoothness and extensibility. The mattress is safe to use and is free of damage on human body.

The invention relates to a low-energy-consumption hot ore crushing device. The low-energy-consumption hot ore crushing device comprises a preparation cavity, a heating cavity, a crushing cavity, a grinding cavity and a conveying cavity. Through the overall design and transformation on the aspects of circulating water cooling and waste heat utilization and reasonable arrangement of the crushing cavity, the preparation cavity and the grinding cavity, the environmental friendliness of the production environment is greatly improved, the overall energy consumption is effectively reduced, and the production efficiency is improved.

The invention discloses a bridge bearing grouting material and a preparation method thereof, and belongs to the technical field of building materials. The grouting material comprises the following materials: 350-500 parts of a cementing material, 500-800 parts of fine aggregates, 20-60 parts of an expanding agent, 50-110 parts of fly ash and 7-25 parts of admixtures, wherein the cementing materialis a mixture of sulphoaluminate and ordinary Portland cement at a mixing mass ratio of 5: (3-1); the fine aggregates are quartz sand, wherein the particle size of the quartz sand is 0.1-4 mm; and theadmixtures comprise at least a water reducing agent and an early strength agent, wherein the water reducing agent is a polycarboxylic acid water reducing agent. The grouting material provided by theinvention has advantages of fast hardening and high strength.

The invention provides a process for preparing zinc sulfate and the process is simple in step, low in energy consumption, high in production efficiency and high in product purity. The process comprises the following steps: putting secondary zinc oxide and zinc oxide in waste residues produced in zinc preparation in a raw material tank filled with dilute sulfuric acid, reacting to generate a zinc sulfate solution, guiding the zinc sulfate solution into a reaction tank, removing impurities such as iron, cobalt and copper in the reaction tank, filtering the impurities through a filtering machine, guiding the zinc sulfate solution into a storage tank for precipitation, evaporating the zinc sulfate solution in an evaporator to obtain a concentrated solution, crystallizing in a crystallizing tank, carrying out crystal separation in a centrifugal machine, cooling to obtain zinc sulfate containing crystal water and drying in a dryer to obtain the zinc sulfate. According to the process, the zinc sulfate solution is concentrated in the way of pouring hot oil and circularly heating, so that the heating temperature is higher, the heating material can be recycled, the energy consumption is little and the cost is reduced. The process for preparing the zinc sulfate is simple and clear in processing step, energy-saving, friendly to the environment and convenient to operate.

The invention relates to the technical field of clothes dryers, in particular to a folding clothes dryer. The folding clothes dryer comprises a clothes dryer body, the clothes dryer body comprises a top cover, an air outlet is formed in one side of the top cover, a display panel is installed on the other side of the top cover, and a disinfection lamp tube is fixedly connected to the back face of the display panel; zipper buckles are arranged on the periphery of the top cover, the bottom end of the top cover is fixedly connected with a bottom cover through a telescopic mechanism, the peripheryof the telescopic mechanism is wrapped with a cloth cover, and the upper end and the lower end of the cloth cover are fixedly connected with the top cover and the bottom cover respectively. By arranging the top cover, the bottom cover and the telescopic mechanism, contraction and combination of the top cover and the bottom cover are achieved through the telescopic mechanism, the floor space is saved, traveling and moving are facilitated, and the whole folding clothes dryer does not need to be disassembled during maintenance and replacement; a disinfection device and the control panel are integrated on the top cover and are convenient to replace; and a water receiving set box is arranged on the bottom cover, and a water suction pump and a spraying mechanism are matched in the water receiving set box, so that efficient water receiving cyclic utilization can be realized.

The invention belongs to the field of processing of fur, and discloses an environment-friendly fur tanning method. The method comprises the following steps of: soaking the fur, degreasing, pickling, tanning, neutralizing, drying, kicking oil and softening. The materials adopted by the method are in food grade, safe and environment-friendly, and free of pollution; and the prepared fur does not contain heavy metals and formaldehyde, and accords with the environment-friendly requirements. A chemical material is degraded by a biological enzyme preparation, so that the solution of the chemical material and water is continuously used; water resource is not wasted; and the fur prepared by the method is thin and soft, and comfortable in hand handle, and has good elasticity, smoothness and extensibility.

The invention discloses an automotive switchover integrated type outer-door-free air conditioner having a double-cold-source refrigeration function. A pumping pipe is arranged on a right bottom side of a machine body; a water pump is arranged on a left side of the pumping pipe; a water inlet pipe is arranged at the upper end of the water pump; a water fluorine double-evaporator is arranged on the upper end of the water inlet pipe; a suction ventilator is arranged on the left side of the water fluorine double-evaporator; a compressor is arranged on the left side of the water pump; a condenser is arranged on the inner side of the compressor; a high pressure pipe is arranged at the upper end of the compressor; the inner end of the high pressure pipe is connected to an air inlet of the condenser; a low pressure air returning pipe is arranged at the left end of the compressor; the upper end of the low pressure air returning pipe is connected to a connecting opening of the water fluorine double-evaporator; a filter is arranged at the right upper end of the condenser; a capillary pipe is arranged at the upper end of the filter; the upper end of the capillary pipe is connected to the connecting opening of the condenser; a cool air outlet is formed in the upper end of the machine body; a cabinet door is arranged at the front end of the machine body; a display screen is arranged on the upper end of the cabinet door.

The invention provides an improved ultrahigh pressure cutoff foot control valve, which is well sealed, saves labor in treading, saves water resources because water returns back to a water tank through a water return hole when a treadle is loosened, and has a wide use range. The improved ultrahigh pressure cutoff foot control valve comprises a bottom plate, a protecting hood, the treadle, a valve body, a liquid outlet and a liquid inlet, wherein the front of the bottom plate is provided with the valve body; the treadle is arranged on the valve body through two cylindrical pins; the protecting hood covers the outside of the treadle and is arranged on the bottom plate; and a valve core is arranged inside the valve body. The improved ultrahigh pressure cutoff foot control valve is characterized in that one end of the treadle facing to the valve core is provided with a controlling device; an inner cavity of the valve body is provided with a guide sleeve and a valve seat in turn; the valve core is sleeved on the inner walls of the guide sleeve and the valve seat; the valve seat is compressed and fixed on the valve body by a threaded sleeve; and a spring on the other end of the valve core is connected with the inner wall of the threaded sleeve.

The invention relates to the technical field of water purification, in particular to water production controllable water purification equipment, which is provided with a body, a filtering device, a master control device and a user interface device, wherein the filtering device and the master control device are arranged on the body respectively; the filtering device is used for filtering raw water to obtain purified water; the master control device is in signal connection with the user interface device; the user interface device is used for setting daily water consumption information and sending the daily water consumption information to the master control device; the master control device is used for controlling the water production of the filtering device according to the received daily water consumption information; the water consumption information set by the user interface device is a daily consumption person number and/or daily water production; the user interface device is arranged on the body, or is of a split structure. According to the production controllable water purification equipment, the water production can be controlled according to the number of consumption persons, the produced water is fresh, and waste is avoided.

The invention discloses a de-burring machine used to process weed, which is characterized in water tank containing water in it, debonding unit locating at the rear of water tank to separate water with weed, capitation locating under the debonding unit, weed gathering device collecting weed from debonding unit, said capitation connecting with water tank via pipes, and circulating pump being equipped on said pipes to transport water in capitation to water tank. The invention makes use of buoyant force of water and gravity to separate weed and impurity. The invention has the advantages of simple structure, saving water and improving purity of the forage fodder.

The invention discloses a crawler-type sole cleaning machine. The machine comprises a machine body, multiple continuous tracks, a self-cleaning plate and a cleaning pipe. A driving mechanism, the self-cleaning plate, the cleaning pipe and the continuous tracks are arranged in the machine body; the continuous tracks are provided with hairbrushes for cleaning soles; the continuous tracks are embedded in the machine body and driven by the driving mechanism to rotate circularly; the self-cleaning plate is arranged below the continuous tracks and wraps the cleaning initial ends and lower portions of the continuous tracks, and the hairbrushes of the continuous tracks abut against the self-cleaning plate; the cleaning pipe is arranged at the cleaning tail end and sprays water to the continuous tracks and the hairbrushes of the continuous tracks. According to the crawler-type sole cleaning machine, the self-cleaning plate is further arranged below the continuous tracks and covers and shields partial continuous tracks, and the hairbrushes of the continuous tracks abut against the self-cleaning plate. In the extrusion process, the deformed hairbrushes can shake out dust and the like, the elasticity of the hairbrushes can be restored at last, and cleaning work continues. Through the cleanliness of the hairbrushes, the cleanliness of sole cleaning is guaranteed, and cleaning is efficient.

The invention discloses a sand washing machine for the production of water conservancy equipment, which comprises a cleaning box, a sand washing plate is arranged inside the cleaning box, fixing rods are arranged on both sides of the cleaning box, and a support frame is fixedly connected to the top of the fixing rod , the top of the support frame is fixedly connected with a motor, the output end of the motor is fixedly connected with a rotating rod, the end of the rotating rod away from the motor is fixedly connected with a first gear, the outer surface of the first gear is provided with a rack, and the inner wall of the rack is connected to the second gear. The outer surface of a gear meshes, and the end of the rack away from the first gear runs through the top of the support frame and extends to the outside of the support frame. The top of the cleaning box is fixedly connected with a first fixed plate and a second fixed plate, and the first fixed plate Both the top and the top of the second fixing plate are fixedly connected with the bottom of the support frame, and a second gear is provided on one side of the first fixing plate. The sand washing machine used in the production of water conservancy equipment has the advantages of simple structure, high work efficiency and no waste of water resources.

The invention discloses a household air conditioning heating hot water system. The household air conditioning heating hot water system comprises a shell, a small water tank and a flow dividing assembly, the a solar circulation pump is fixedly mounted in the shell, the small water tank is fixedly mounted on one side of the solar circulation pump, one side of a solar heat collector is fixedly provided with an air cooling heat pump hot water unit, a mounting assembly is fixedly mounted on the bottom of the shell, the flow dividing assembly is fixedly mounted in the mounting assembly, water outletpipes are fixedly mounted on the output ends of the small water tank and a large water tank, electromagnetic valves are fixedly mounted on the bottoms of the water outlet pipes, the bottoms of the electromagnetic valves are fixedly connected with the flow dividing assembly, through a series of structures, in the use process of the system, a flow dividing pipe is connected with an external connection pipeline, a control valve is used for controlling hot water flowing, the discharge amount of cold water in the pipeline is very small, the discharge time is very short, too much water resources are not wasted, and the civil use is not affected.