43results about How to "High water saving rate" patented technology

A compound inhibition antisludging agent is used for treating high-concentration circulation water, comprising a liquid part and a solid part. Based on that the total weight of the liquid part is deemed to be 100 percent, percentages of each component by weight are: organic phosphonic acid 5-40 percent, organic carboxylic acid 5-40 percent and water 20-90 percent; and based on that the total weight of the solid part is deemed to be 100 percent, percentages of each component by weight are: polymer with antisludging effect 5-35 percent, alkaline agent 45-80 percent, azoles 1-10 percent and zinc salt 1-10 percent. The concentrations of the liquid part and the solid part in the circulating water are that: the solid part: the dosage of the agent added into make-up water is 20-200mg/L; the liquid part: total phosphine kept in the circulating water system is 10-15mg/L. The invention has effects of inhibition, antisludging, sterilization and algae removal upon meeting the requirements of the state, can promote the concentration multiple of the circulating water system up to 7.5 or more and can be operated at normal temperature with good effect and without pre-membrane treatment.

The invention discloses an indirect air cooling method and a system with the working fluid of parallel-connected obverse and inverse refrigeration cycles. Based on the phase transition in the working fluid cooling process, a double-phase transition heat exchanger and a single-phase transition heat exchanger are respectively coupled with an obverse refrigeration cycle and an inverse refrigeration cycle which are connected in parallel; the saturated gaseous refrigerant from the phase-transition heat exchangers is compressed, boosted and then sent to an air-cooled radiator for exothermic condensation, then the condensed refrigerant enters a liquid storage tank and is decompressed through a throttle valve and sent to the phase-transition heat exchangers so as to complete the obverse refrigeration cycle; or the saturated gaseous refrigerant from the phase-transition heat exchangers is throttled and decompressed through a thermal expansion valve and then sent to the air-cooled radiator and the liquid storage tank, pressurized by a booster pump and finally sent back to the phase-transition heat exchangers so as to complete the inverse refrigeration cycle. The method and the system can be widely applied to the cooling systems of the condensers in thermal power, nuclear power and other turbine-generator units or the cooling systems of the intercoolers in petroleum, chemical and other industries to reduce energy consumption, save investments, as well as improve water-saving rate and the adaptability of the cooling system to the environment; therefore, the method and the system are provided with promotional values and can produce larger social environmental benefits and economic benefits after implementation.

The invention discloses a water retention fertilizer and a method for producing the same. The water retention fertilizer comprises the following components: a biological organic fertilizer, a water retention agent, potassium sulfate, ammonium bicarbonate and calcium superphosphate; and the main production process comprises the following steps of: mixing bran, corn, peat and sheep and cow dung, uniformly stirring the mixture, inoculating a compound micro-ecological bacterial agent to the mixture, adding hot water into the mixture for adjusting a humidity, and performing closed anaerobic fermentation of the mixture to obtain the biological organic fertilizer; and adding the components into a stirrer in sequence for stirring, and performing granulation, drying, screening, measurement and packaging of the mixture to obtain the finished product. The production method has the advantages that: the process is simple; the mixing ratio of the components is reasonable; by using the water retention fertilizer, the problems of difficult and uneven use of the water retention agent due to small dosage are solved, the effects of the fertilizer are fully utilized, and the yield of crops is increased; and the water retention fertilizer can be used as the fertilizer for farmland water-saving supporting facilities which have been used and the base fertilizer for crops in western arid regions, vegetable greenhouses, and forest planting plants.

The water treatment agent is formed from solid dispersing agent and liquid corrosion inhibitor, and its main component includes sodium humate, acrylic acid-2-acrylamide-2-methyl propylsulfoacid multicomponent copolymer and tannic acid. Said solid dispersing agent is straw colour to black colour solid which is composed of mixture of sodium humate and sulfonate, tannic acid, acidamide flocculant and surfactant, and said liquid corrosion inhibitor is formed from acrylic acid-2-acrylamide-2-methyl propylsulfoacid multicomponent copolymer and corrosion inhibitor. Its water-saving efficiency is high and corrosion and scale inhibiting effect is obvious.

The invention relates to an industrial circulating water synergist and belongs to the technical field of fine chemical engineering. The industrial circulating water synergist comprises components in percentage by weight as follows: 5%-7% of fatty alcohol-polyoxyethylene ether, 9.5%-11% of acrylic acid, 18%-20% of polyepoxysuccinic acid, 21%-25% of HEDP, 5%-6.5% of ethylene diamine tetraacetic acid, 2%-3% of dodecyl dimethyl benzyl ammonium bromide and the balance of water. After addition of circulating water, the industrial circulating water synergist forms a supermolecular film superior to a nanofilm on the metal surface under supramolecular recognition and selective assembly functions, so that corrosion inhibition and scale inhibition effects are close to 100%; furthermore, on-line cleaning of a pre-film, corrosion prevention, scale inhibition, sterilization and algae killing can be realized, pollution discharge is not needed after on-line cleaning of the pre-film, and operation is performed directly; flow velocity and heat exchange capability of the circulating water can be increased, the heat exchange efficiency of the circulating water is improved, and sewage and wastewater emission is reduced.

The invention relates to a self-service circulating drainage and irrigation system in the field of drainage and irrigation in irrigation and water conservancy, comprising nine parts, namely a water and moisture retention device, a water collecting and filtering device, a water distributing and deflecting device, a water storage and preparation device, a water inlet and outlet device, a water drainage and supply device, a water extraction and control device, a gas and water delivery device, and a water extraction and irrigation device, wherein a series of drainage and irrigation facilities is interconnected by supporting combination to form three types of self-service circulating drainage and irrigation technologies mainly including an underground drainage and irrigation method, a ground drainage and irrigation method and an interactive drainage and irrigation method; each drainage and irrigation method has the characteristics of self-service water collection, storage and drainage for preventing waterlogging in the situation of rainfall, self-service water, moisture and irrigation retention for preventing drought in the situation of drought, and the like; the system facility can be directly buried under farmland as underground drainage and irrigation works, and has the advantages of simple construction structure and low building cost, does not occupy cultivated land of the farmland or affect farming operations, and does not need maintenance for a plurality of years or one hundred years after one-time building, thus greatly saving resource cost; and the self-service circulating drainage and irrigation system can be widely applied in the fields of agriculture, forestry, greening, landscape, water-saving projects and the like.

The invention belongs to the technical field of fertilizers, and relates to a water-retaining organic-inorganic composite fertilizer comprising, by weight: 2-10% of a bio-organic fertilizer, 5-20% of weathered coal, 5-20% of grass carbon, 1-8% of vermiculite, 1-30% of humic acid, 0.1-0.3% of zinc sulfate, 2-60% of urea, 2-50% of potassium dihydrogen phosphate, and 1-10% of a water-retaining agent. According to the invention, grass carbon, weathered coal, vermiculite, and urea are crushed until a particle size is below 3mm; the particles are well mixed with humic acid, zinc sulfate, potassium dihydrogen phosphate, and the water-retaining agent, such that particles with diameters of 2-5mm are prepared; and polishing, bake-drying, sieving, measuring, and packaging are carried out, such that water-retaining organic-inorganic composite fertilizer finished product is obtained. The fertilizer provided by the invention has multiple functions such as water retaining, fertilizer retaining, fertilizer saving, ground temperature adjusting, soil improving, substantial production increasing, fertilizer-efficiency sustained-release, stress resistance improving, low cost, high efficiency, and the like. With the fertilizer, seed germination rate, seedling emergence rate, and seedling transplantation survival rate can be effectively improved, and grain, cotton, fruit, and vegetable production can be increased by 20-45%.

The invention provides a dry-wet type sub-unit water-saving and mist-eliminating type cooling tower. The tower comprises a tower body, a water distribution main pipe, a water tank arranged below the tower body, a dry cooling unit and a wet cooling unit which are arranged inside the tower body and are independent from each other, a first air inlet communicated with the dry cooling unit and a second air inlet communicated with the wet cooling unit are formed in the tower body, the dry cooling unit comprises a dry cooling water distribution pipe communicated with the water distribution main pipe and an air cooler communicated with the dry cooling water distribution pipe, the wet cooling unit comprises a filler and a wet cooling unit water distribution pipe communicated with the air cooler. According to the dry-wet type sub-unit water-saving and mist-eliminating type cooling tower, the water saving rate of the cooling tower can be greatly improved, the dry cooling unit and the wet cooling unit are independently arranged and do not influence each other, the independent operation of the dry cooling unit or the wet cooling unit can be selected according to seasons, and the combined operation of the dry cooling unit and the wet cooling unit can also be selected so that the requirements of water conservation in any season can be met, and water conservation can be realized to the maximum extent.

The invention discloses a multifunctional self-closing efficient water-saving valve, and relates to a water-saving valve. The valve comprises a valve body, a valve core and a hand wheel device, wherein the valve body comprises a valve core outer sleeve, a water inlet pipe, a blow-down bolt, a nano filter screen, a water-saving nozzle and a water outlet pipe; the valve core comprises a valve core inner sleeve, a valve core screw plug, a valve core screw, a valve core screw cap, a screw clamping shoulder, a connecting pipe yoke, a multi-purpose water wheel, a water wheel connecting pipe and a water quantity adjusting rod; the hand wheel device comprises a hand wheel, a water quantity knob and the like; the valve core outer sleeve is positioned in the middle of the valve body; the valve core inner sleeve is arranged in the valve core outer sleeve; the valve core screw plug is arranged in the valve core inner sleeve and can move up and down therein; the multi-purpose water wheel is arranged in a convex water tank; one end of the water wheel connecting pipe is connected with the multi-purpose water wheel, while the other end is arranged in a screw through hole; and the hand wheel is rotated to drive the valve core to open the water valve and the multi-purpose water wheel applies work to automatically close the water valve. The valve has the advantages of exquisite design, excellent performance, wide application, constant pressure, steady flow, micro-filtration and dirt disposal, good water quality, self-closing if forgetting closing, leakage avoidance, water saving, high efficiency, plugging and stealing resistance, firmness and durability.

The invention discloses a phosphorus-free corrosion-inhibiting sewage treatment agent for papermaking waste water. The phosphorus-free corrosion-inhibiting sewage treatment agent for papermaking waste water consists of the following raw materials in parts by weight: 5 to 10 parts of aluminum-ferric chloride, 32 to 36 parts of activated carbon, 4 to 8 parts of organic alkali, 1 to 3 parts of sodium polyaspartate, 5 to 10 parts of acrylic amide, 21 to 25 parts of vermiculite, 14 to 17 parts of diatomite, 5 to 9 parts of sodium humate, 2 to 5 parts of sodium allylsulfonate, 3 to 7 parts of sodium silicate, 1 to 2 parts of oxalic acid, 5 to 10 parts of polyferric sulfate and 4 to 7 parts of aluminum sulfate. The invention also discloses a preparation method of the phosphorus-free corrosion-inhibiting sewage treatment agent for papermaking waste water. The sewage treatment agent prepared by the method adopts a phosphorus-free composite formula, is nonhazardous and insusceptible to eutrophication, can prevent harm of red tide in the surrounding water area and avoid secondary pollution, and accords with environmental protection requirements.

The invention discloses water-retaining fertilizer and a production method of the water-retaining fertilizer. The water-retaining fertilizer is composed of bio-organic fertilizer, water-retenting agent, potassium sulfate, ammonium bicarbonate and calcium superphosphate. According to the main production process, drum skin, corn, grass carbon and cattle and sheep dung are firstly mixed, after the drum skin, the corn, the grass carbon and the cattle and sheep dung are evenly stirred, a composite micro-ecology microbial agent is introduced in the drum skin, the corn, the grass carbon and the cattle and sheep dung, then, warm water is added for adjusting humidity, and anaerobic fermentation is performed in a closed environment to form bio-organic fertilizer; the drum skin, the corn, the grass carbon and the cattle and sheep dung are sequentially added into a stirrer to be stirred, and finished products are formed through granulation, drying, screening, measuring and packaging. The production method is simple in technology and reasonable in component ratio. After the water-retaining fertilizer is used, the problems that because the use amount of the water-retaining agent is small, the water-retaining agent is difficult to apply, and application is uneven are solved, the functions of the fertilizer are fully played, and the yield of crops is increased. The water-retaining fertilizer can serve as fertilizer for farmland water-conserving ancillary facilities having been implemented and base fertilizer for crops in western arid areas, vegetable greenhouses and forest planting plants.

The invention relates to a dry-wet separation mist dispersing water-saving type cooling tower. The dry-wet separation mist dispersing water-saving type cooling tower comprises a tower body and furthercomprises a dry-wet air mixing device, a water spray system, a dry-wet separation region and an electric air regulating device which are all sequentially arranged in the tower body from top to bottom. The dry-wet separation mist dispersing water-saving type cooling tower further comprises an exhaust system arranged on the top of the tower body, a water inlet pipe arranged on one side of the towerbody and a water outlet pipe, wherein the exhaust system communicates with the dry-wet air mixing device. The dry-wet separation mist dispersing water-saving type cooling tower has the beneficial effects that the water saving rate of the cooling tower can be greatly increased and the water saving economic benefits can be improved.

The invention relates to a phosphorus-free environmentally-friendly type imidazoline corrosion and scale inhibitor and a preparation method thereof. The phosphorus-free environmentally-friendly type imidazoline corrosion and scale inhibitor is prepared from, by weight, 30-40% of water-soluble imidazoline, 4-6% of nonionic terpolymer, 15-20% of sodium gluconate, 1-3% of dissolvable zinc salt, 0.5-1.5% of sodium tetraborate, 0.5-1.5% of sodium bromide and the rest distilled water. According to the phosphorus-free environmentally-friendly type imidazoline corrosion and scale inhibitor, the annualcorrosion rate is lower than 0.0500 mm/a, the scale inhibition rate reaches 98% or above, and the good scale and corrosion inhibition effects are achieved.

The invention belongs to the technical field of washing machines, and particularly relates to a water-saving clothes washing method and system. According to the method, the water quality of washing water used by a first washing barrel of the duplex washing machine is firstly obtained, clothes information of clothes to be washed in a second washing barrel of the duplex washing machine is obtained, the clothes information comprises at least one of the clothes color and the clothes material, and then according to the water quality and the clothes information, the clothes color and the clothes material are obtained. Whether the washing water can be used by the second washing barrel or not is determined, if the washing water can be used by the second washing barrel, the washing water is drained into the second washing barrel, repeated use of the washing water of the washing machine can be achieved without storing water in a water storage container, the size of the washing machine is reduced, and the washing water saving rate is increased; whether the washing water in the first washing barrel is discharged to the second washing barrel or not can be determined only through the water quality of the first washing barrel and the clothes information of the second washing barrel, the treatment process is simple, and the method is suitable for practical application.

The invention provides an ultra-water-saving fog dispersal type cooling tower, which comprises a tower body, a filler, a water distribution pipeline, a water collector, a plurality of V-shaped heat exchange devices and an induced draft fan, wherein the filler, the water distribution pipeline, the water collector and the V-shaped heat exchange devices are sequentially installed in the tower body from bottom to top, the induced draft fan is installed at the top of the tower body, the water distribution pipeline is arranged above the filler and is used for spraying the filler, the two V-shaped heat exchange devices are arranged in a V shape, the heat exchange device is communicated with the water distribution pipeline, air blowing channels are arranged in the space between the water collector and the V-shaped heat exchange devices in the horizontal direction, each V-shaped heat exchange device corresponds to one air blowing channel, and an air blower is arranged in each air blowing channel. Compared with a common heating type fog dispersal water-saving tower, the heat exchange effect of the heat exchange device is better.