31results about How to "Relieve water stress" patented technology

The invention relates to a low temperature dyeing technology for pure cotton fabrics. The technology which adopts low temperature preprocessing, polishing and low temperature dyeing one-bath process comprises the following steps: 1, carrying out low temperature preprocessing: adding a dyeing one-bath assistant to a dye solution, adjusting the temperature to 40-60DEG C, and continuously reacting for 15-30min; 2, polishing: adjusting the temperature to 35-60DEG C and the pH value to 5.5-6, adding a neutral polishing enzyme having a weight accounting for 0.2-0.5% of the weight of the fabrics, and continuously reacting for 15-20min; and 3, carrying out low temperature dyeing: adjusting the temperature to 35-45DEG C, sequentially adding a low temperature active dye, anhydrous sodium sulfate, soda ash and a caustic soda solution at a certain time interval, and reacting. The low temperature dyeing technology has the advantages of simple operation, small pollution, low energy consumption and the like.

The invention discloses a zero-energy-consumption rainwater irrigation system. The zero-energy-consumption rainwater irrigation system comprises a water storage tank, an air force water lifting device, a water tank and an irrigation subsystem which are sequentially connected through a pipeline. An overflow pipe connected with the water storage tank is arranged on the water tank, and a valve is arranged on the pipeline connecting the water tank with the irrigation subsystem. Rainwater is lifted to a certain height by air energy, so that a certain potential energy is generated, and much energy source consumption is reduced by rainwater which can automatically flow. Efficient utilization of the rainwater can be realized, and municipal water pressure can be alleviated. Automatic or remote control of rainwater irrigation can be realized, labor investment of municipal personnel is reduced, and external energy source for the integral system is not required.

The invention discloses a method for recovering waste heat of melting slag. The method comprises the following steps of injecting high-temperature melting slag into a heat recovery pool, mixing the melting slag with molten metal with low melting point in the heat recovery pool while quickly cooling the melting slag into solid furnace slag, wherein the melting slag and the molten metal with the low melting point are subject to quick heat transfer, besides, the solid furnace slag floats to form a scum layer, and scums are discontinuously or continuously discharged; absorbing the heat of the molten metal with the low melting point by a vaporization cooling device arranged in the heat recovery pool to vaporize liquid in a sealing pipeline of the vaporization cooling device; preserving the formed steam for recycling. According to the method for recovering the waste heat of the melting slag, provided by the invention, the problems of high power consumption, high heat recovery difficulty, low heat recovery efficiency, difficult utilization of the melting slag after heat recovery and the like existing in an air quenching method and a revolving cup method are solved.

The invention discloses a natural power sewage biological purifier, which completes the whole sewage treatment process by solar energy and gravitational energy. The device can teat the sewage which cannot be covered by a municipal pipe network, and the effluent produced after treatment can be reused as regenerated water. The device has the advantages of no need of extra power, no addition of chemical agents, low operating cost, high treatment efficiency, simple and convenient installation, convenient maintenance and management, and great popularization value in point source sewage treatment, particularly treatment of sewage in areas which cannot be covered by the municipal pipe network, such as new rural construction mating sewage treatment facilities, remote reservoirs and scenic spots, and the like.

The invention discloses a rainwater recycling system for sponge city overpass and a construction method of the rainwater recycling system. The rainwater recycling system comprises a rainwater collection device, rainwater pretreatment equipment and a water storage well, the rainwater collection device comprises a rainwater pipe and a collector, a water collection pump is mounted on the collector, and the rear end of the rainwater pipe is connected onto the water collection pump while the front end of the same is connected onto a deck of the overpass; the lower end of the collector is connected with a first guide pipe, the other end of the first guide pipe is connected with the rainwater pretreatment equipment, a diverter is mounted at the lower end of the rainwater pretreatment equipment, a second guide pipe is connected on the diverter and connected to the water storage well, a submerged pump is mounted in the water storage well, and a recycling pipe is connected on the submerged pump. An existing overpass draining pipeline is introduced into the collector, and rainwater is purified with the help of the rainwater pretreatment equipment, guided into the water storage well and then recycled through the recycling pipe, so that reasonable utilization of rainwater resources is realized, city water consumption pressure is relieved, the draining problem of the overpass is solved effectively, and city traffic is guaranteed.

The invention discloses an ecological cycle treatment and utilization process of residual vegetables, wherein the comprises the following steps: collecting a large amount of residual vegetables generated in agriculture, and removing foreign matters such as plastic, ironware, sawdust, soil blocks, stones, paper scraps, mud roots and the like mixed in the residual vegetables and rotten and deteriorated parts; putting a part of the selected clean residual vegetables into a net chain bubble cleaning machine to wash away soil in the residual vegetables; crushing the cleaned residual vegetables intoa powdery or pasty material with the particle size of 3 cm or less by using a large hammer mill so as to enhance the flowability of the residual vegetables. A large amount of residual vegetables canbe quickly treated; the pollution to the environment is reduced; the treated residual vegetables do not generate secondary pollution; part of the residual vegetables are used for feed processing, squeezed residual vegetable residues are used for producing solid organic fertilizers and applied to farmlands, biogas slurry generated after residual vegetable juice fermentation serves as organic liquidfertilizers to be used for farmland irrigation, the requirements of the planting industry are met, meanwhile, the use amount of chemical fertilizers is reduced, the crop yield is increased, the cropquality is improved, and meanwhile biogas energy is generated by the process system.

The invention provides a treatment system for nuclear power plant radioactive waste liquid reuse. The treatment system comprises a technological drainage treatment sub-system, a chemical and ground drainage treatment sub-system and a service drainage treatment sub-system. The technological drainage treatment sub-system comprises a technological drainage collection unit, a technological drainage evaporation unit, a technological drainage ion exchange unit and a monitoring tank which are connected in series successively. The chemical and ground drainage treatment sub-system comprises a chemical drainage collection unit and a ground drainage collection unit and further comprises a chemical and ground drainage evaporation unit, a chemical and ground drainage ion exchange unit and a chemical and ground drainage reuse tank which are connected with the downstream sides of the chemical drainage collection unit and the ground drainage connection unit in series successively. The service drainage treatment sub-system comprises an ozone and ultraviolet light treatment unit, a precision treatment unit and a service drainage reuse tank, which are connected in series successively. The treatment system can realize drainage of treated waste liquid with higher tritium concentration of nuclear power plants and reuse of treated liquid waste having a lower tritium concentration or basically containing no tritium.

The invention relates to a purification system for sewage treatment. The purification system comprises a first sewage treatment reaction tank, a second sewage treatment reaction tank, a quick filtering tank, a carbon filtering tank and a nano-sewage clarifying tank, wherein a clean water accommodation tank of the first sewage treatment reaction tank is communicated with a tank body of the second sewage treatment reaction tank through a pipeline with a water pump, a clean water accommodation tank of the second sewage treatment reaction tank is communicated with a liquid inlet of the quick filtering tank, and a filter liquid outlet of the filtering tank is communicated with a liquid inlet of the carbon filtering tank; a lower sludge outlet of the tank body of the first sewage treatment reaction tank and a lower sludge outlet of the tank body of the second sewage treatment reaction tank are respectively communicated with the nano-sewage clarifying tank. The purification system has the advantages that the sewage and wastewater can be separately treated, the limitation by the address selection of a sewage treatment factory is avoided, the cost is low, the separation effect is good, andthe good treatment effect is guaranteed; the treatment and purification functions are integrated, the pollution-free treatment is not simply performed on the sewage and wastewater, and the treated sewage and wastewater can be recycled as mixed water, so as to conserve the high-quality running water.

The invention designs a forward osmosis water and fertilizer integrated irrigation system for a fertilizer draw solution based on RO concentrated water treatment. The forward osmosis water and fertilizer integrated irrigation system comprises an RO concentrated water circulation system, a fertilizer draw solution dilution system, a forward osmosis membrane assembly and an irrigation system, upper and lower threshold values of fertilizer and moisture required by crops in soil are set on the electric cabinet, when the fertilizer and moisture required by the crops are lower than the lower threshold value, the first electromagnetic valve and the second electromagnetic valve are opened at the same time, and the fertilizer and the moisture are automatically mixed in proportion according to the requirements of the crops and then irrigated to the roots of the crops; in the process, the RO concentrated water passes through a forward osmosis membrane assembly, pure water permeates into the fertilizer absorbing solution, and along with continuous circulation of the RO concentrated water and the fertilizer absorbing solution, the RO concentrated water is gradually concentrated, and the fertilizer absorbing solution is gradually diluted. The manufacturing process is simple, manpower and material resources are saved, RO concentrated water is recycled through a permeation method, on one hand, water pressure is relieved, and on the other hand, water and fertilizer are irrigated integrally to achieve the effect of saving water and fertilizer.

The invention discloses an initial rainwater collecting pool with a later rainwater automatic discarding function, and belongs to the field of rainwater treatment. The initial rainwater collecting pool comprises an initial rainwater collecting pool body, wherein the initial rainwater collecting pool body comprises a collecting pool main body, and a drainage assembly is connected to one side of thecollecting pool main body and comprises a drainage base element connected with the collecting pool main body; the top surface of the drainage base element is flush with the top surface of the collecting pool main body, the drainage base element is provided with a drainage channel which is horizontally arranged and communicates with the collecting pool main body, and a gap is formed between the bottom surface of the drainage channel and the top surface of the collecting pool main body; and a trash rack is arranged at the communication position of the collecting pool main body and the drainagechannel, and a drainage through groove communicating with the drainage channel is formed in the side surface of the drainage base element. According to the invention, the dilution effect of the laterrainwater on initial rainwater is reduced, the sedimentation rate of pollutants in the rainwater is improved, the initial rainwater and the later rainwater are efficiently collected and purified, theproblem of runoff pollution of the rainwater to cities is solved, and the initial rainwater collecting pool can be applied to the construction of sponge cities on a large scale and has the characteristic of good compatibility.

The invention provides a high-altitude water taking device which comprises an unmanned aerial vehicle, a storage bin, an air inducing unit, a water absorption unit, a heating unit, a refrigerating unit and a condensation bin, the unmanned aerial vehicle is provided with a containing cavity, and the containing cavity is provided with a ventilation opening and a water passing opening; the storage bin is arranged in the containing cavity, an air inlet, an air outlet and a water vapor outlet are formed in the storage bin, and the air inlet and the air outlet communicate with the ventilation opening; the air inducing unit is communicated with the air inlet and/or the air outlet; the water absorption unit is arranged in the storage bin; the heating unit is used for heating the water absorption unit; the condensation bin is arranged in the containing cavity and provided with a water vapor inlet communicated with the water vapor outlet and a water outlet, the water outlet is communicated with the water passing opening, and the condensation bin is used for receiving liquid water formed through condensation of the refrigeration unit. According to the high-altitude water taking device, high-altitude water vapor in a desert area is converted into liquid water, the liquid water is conveyed to the ground, and the problem that water resources in the desert area are deficient is solved.

The invention discloses a mobile dental integrated therapy apparatus, comprising a tank body; a bottom plate is mounted at the bottom of the tank body; a roll shaft is mounted on the left of a dustproof cover; the upper portion of the dustproof cover is provided with a handle; a hook is mounted on one side of the tank body; a battery is mounted at the inner bottom of the tank body; a water tank is fixed in the center of the tank body through a support plate; the inner part of the tank body close to the wat4er tank is fixedly provided with a sterilizing liquid storage tank through a support plate, and a drawer is arranged in a tool channel. As the mobile tank body is used herein, the defect that the mobile dental therapy apparatus is fixed and immovable during use is overcome, and the applicable range of the apparatus is widened; as an activated carbon filter is used to recycle leaking water, water resources are saved, and water consumption burden is relieved.

The invention discloses a solar cell panel cleaning and dust removing device. The device comprises an induction type air water taking module, a water tank, a water pump and a cleaning module. The induction type air water taking module communicates with a water inlet of the water tank through a pipeline, and a water outlet of the water tank communicates with the cleaning module through the water pump. Water in air is collected into the water tank through the induction type air water taking module to be stored, the water pump works to pump water in the water tank to the cleaning module, and the cleaning module sprays water to a solar cell panel to complete dust removing and cleaning work. The device further comprises a PLC, and the water pump and a drive and induction component in the induction type air water taking module are electrically connected with the PLC. The device is ingenious in conception, simple in structure, easy to install and low in production cost; and self-water production and self-cleaning are achieved, and therefore manpower, material resources and cleaning cost are greatly saved, the water pressure in arid areas is effectively relieved, and the working efficiency of the solar cell panel is effectively improved through regular cleaning.

A high-strength modular combination storage tank, including a plurality of modular unit storage tanks assembled into a whole, the unit storage tanks are prefabricated by reinforced concrete, and the unit storage tanks The shape of the pool body is a straight prism. The invention has a compressive strength of more than 15 tons; the storage tank module units are easy to assemble, and the modules can also be designed into different sizes according to the actual situation; the space capacity is large, and the rainwater enters the storage tank after being discarded and filtered. It can provide enough space for aerobic activities and avoid anaerobic bacteria that affect water quality due to stagnation of rainwater; it does not occupy valuable space on the ground, and the modules are assembled underground, which will not affect the landscape effect on the ground; it can collect rainwater continuously to provide water for landscaping A large amount of water is used to relieve water pressure and urban rain and flood disasters. It can be placed in buildings, squares, and green ground. Designing multiple sizes according to actual needs can effectively save land space.

The invention discloses a domestic device for using secondary water to flush a closestool. The domestic device comprises a shower room base water tank, a wall-hanging water tank and a water pump, a fallen water opening which is used for collecting shower water is formed in the upper portion of the shower room base water tank, a floating ball A and a floating-ball-type magnetic switch A which is connected with the floating ball A are arranged on the shower room base water tank, a water outlet pipe is arranged at the lower portion of the shower room base water tank and is connected with an inletof the water pump, an outlet of the water pump is communicated with the upper portion of the wall-hanging water tank through a water inlet pipe, a floating ball B and a floating-ball-type magnetic switch B which is connected with the floating ball B are arranged on the wall-hanging water tank, a closestool water inlet pipe which is communicated with a closestool water tank is arranged at the lower portion of the wall-hanging water tank, the shower room base water tank is further connected with a washing machine drainage pipe, and high-water-level limiting normally-closed contacts of the floating-ball-type magnetic switch A are in series connection with high-water-level limiting normally-opened contacts of the floating-ball-type magnetic switch B. By means of the domestic device, domesticwastewater can be effectively utilized, and the water can be greatly saved.