122results about How to "No running costs" patented technology

The invention discloses an industrial application of an MVR (mechanical vapor recompression) crystallizing evaporator technology in the production of sodium sulfate and sodium chloride in Huaian, Jiangsu, and relates to an improvement of a salt and sodium sulfate coproduction evaporation technology, belonging to the technical field of chemical three-waste treatment and utilization, and in particular to an application of an MVR crystallizing evaporator in a sodium sulfate and sodium chloride separation technology. The application is mainly technically characterized in that sodium sulfate liquid is concentrated by the MVR crystallizing evaporator, the sodium sulfate is produced at high temperature, and the sodium chloride is produced at low temperature. According to the invention, the mechanical re-compressed vapor is evaporated, concentrated and crystallized at 90-100 DEG C to obtain sodium sulfate, and the re-compressed vapor at a low temperature of 55 DEG C is concentrated and crystallized to obtain sodium chloride. According to the invention, the application of the MVR technology to the concentration of sodium sulfate liquid is realized, the sodium sulfate is produced at high temperature, and sodium chloride is produced at low temperature. The application disclosed by the invention is an environmental protection project which saves energy, reduces emission and avoids waste gas, waste water and waste residue.

The invention discloses a sewage treatment method adopting a baffle plate and a membrane-aeration coupling device. A coupling reactor is formed by putting a well-trained membrane-aeration assembly in a third upstream compartment of a stably operating anaerobic baffle plate reactor. The process flow comprises the following steps of: carrying out an anaerobic reaction on sewage in a first upstream compartment of the anaerobic baffle plate reactor; carrying out an anaerobic reaction in a second upstream compartment of the anaerobic baffle plate reactor; carrying out an anaerobic reaction in the third upstream compartment of the anaerobic baffle plate reactor; carrying out an aerobic reaction and an anaerobic reaction in the membrane-aeration biological membrane assembly; carrying out an anaerobic reaction in a fourth upstream compartment of the anaerobic baffle plate reactor; and obtaining processed fresh water. By coupling the anaerobic baffle plate reactor with the membrane-aeration biological membrane reactor, the invention reaches the oxygen utilization rate approaching 100 percent, is suitable for growing and propagating nitrobacteria which grows slowly, improves the impact load resisting capacity of the membrane assembly, saves the equipment investment and operation cost and is easy to reach operation parameters needed for operation.

The invention relates to the technical field of oil purification equipment, in particular to a centrifugal oil purifying machine. The centrifugal oil purifying machine is provided with a central shaft, a centrifugal cylinder, a front end cover, a rotating framework, a disk type guide plate, an oil collecting impeller, a driving device, an oil outlet pipe, an oil inlet pipe and an oil tank, and is characterized in that the disk type guide plate is made of titanium alloy material, involute-shaped convex edges are radially uniformly distributed on the surface of the disk type guide plate, oil-blocking convex edges are arranged between the involute-shaped convex edges, the oil-blocking convex edges are in ladder-like distribution, at least two drainage holes are arranged in the positions with large diameter below a cylinder body of the centrifugal cylinder in the centrifugal oil purifying machine, a water storage cavity is arranged above the cylinder body of the centrifugal cylinder, a drainage channel is arranged in the wall of the centrifugal cylinder, the drainage holes are communicated with the water storage cavity via the drainage channel, the water storage cavity is communicated with a water outlet guide pipe, and water sealing devices are arranged in the drainage holes. Due to the adoption of the structure, the centrifugal oil purifying machine has the advantages of novel structure, strong pollution discharge capability, safety in operation, stable performances, long service life of oil, no operation cost, no consumption of filter material, obvious separation effect and the like.

The invention discloses a biomimetric eco-pond system for the deep treatment of wastewater from breeding. A treatment method comprises a step that after being subjected to anaerobic digestion treatment, wastewater from breeding first enters a water distribution tank for accumulation and water distribution, then enters a sank filter tank from a perforation on the bottom of the water distribution tank and finally enters a pond body after passing through a water distribution aeration slope for short-range purification, wherein the bottom of the pond body is provided with artificial float grass. A treatment system comprises the water distribution tank, the sand filter tank, the water distribution aeration slope, the pond body, an artificial float grass belt, water plants and a floating body and mud collecting well, wherein the water plants on the surface of the water in a pond are planted on floating bodies, so that in the growth process, the water plants can fully absorb carbon, nitrogen and phosphor in the wastewater and conveys oxygen from the leaves of the plants to the roots of the plants through the respiration of the plants to form a micro aerobic environment at a root part for further simulating the decomposition of organic substances and the growth of nitrobacteria, thereby removing nutrients such as nitrogen and phosphor in the wastewater and improving the overall aesthetic value of the pond body.

The object of the invention is to provide a water-circulating sterilizer that uses no chlorine-base bactericidal agents, has no effect on the human body with no change of water quality, with no running cost and completely free from maintenance while effective sterilization is possible within shorter time.

The invention provides a water-circulating sterilizer disposed in a pipeline of circulating water for sterilizing Legionella pneumophila surviving in circulating water, wherein plural sets of a first, second and third alloy plates are sequentially disposed from a water inflow port, the first alloy plate comprises an alloy containing at least copper and tin, the second alloy plate comprises an alloy containing at least silicon and titanium, and the third alloy plate comprises an alloy containing at least iron, molybdenum and manganese.

A bi-directional spiral material-discharging bin is composed of a material level instrument, a material-discharging bin body, a material-pushing bin, a motor transmission device, a screw and a blow-off valve. The upper portion of the material-discharging bin body is cylindrical, the bottom of the material-discharging bin body is conical, a cone base is provided with a material outlet, the material-pushing bin is cylindrical and is provided with an upper feed port and a lower discharging port, the material-pushing bin end of the bi-directional screw is spiral in the forward direction, the tail end of the material-pushing bin is spiral in the reverse direction, the material level instrument for measuring the height of an accumulated material in the material-discharging bin body is fixedly installed in the material-discharging bin body, an upper feeding port flange on the material-pushing bin is in sealed connection with a cone base material outlet flange of the material-discharging bin body in a bolted connection mode, and the blow-off valve is in sealed connection with a material-pushing bin lower discharging port flange in a bolted connection mode. The problem that due to the inborn inherent defects of a traditional material-discharging bin in structural design, the traditional material-discharging bin is complex in structure and large in volume is large, easily-damaged parts are many, the reliability is poor, the traditional material-discharging bin does not save energy and is not environmentally friendly, intermittent discharge is caused, and large discharging impact is caused is solved well.

The invention discloses an alcohol-base fuel ejecting self-adaptive air distributing burner which comprises a burner body and an ejecting device. The burner body is internally provided with a burning chamber; the burning chamber is provided with a spiral vaporizer; the spiral vaporizer is provided with a gas burning agent outlet and a liquid burning agent inlet; the ejecting device is provided a burning-agent spraying nozzle, an sucking section, a mixing section, a diffusing section and a contracting section; the burning-agent spraying nozzle and the ejecting device are coaxially arranged on the joint of the burning chamber in sequence; the burning-agent spraying nozzle is arranged on the inlet of the sucking section of the ejecting device through a burning-agent spraying nozzle support; the gas burning agent outlet leads to the inlet end of the burning-agent spraying nozzle; the length ratio of the mixing section, the diffusing section, the contracting section and the burning chamber is 5:5:1:10; and the diameter ratio of the sucking section, the throat of the ejecting device, the outlet of the diffusing section, the outlet of the contracting section and the burning chamber is 2:1:1.8:1.4:5.2. Due to the optimization of the ratio of the ejecting device and the structure of each section of the burning chamber, the self-adaptive air distribution is realized, and stable and reliable burning is achieved.

The invention provides a polluted air purifying system and a work method thereof. The system has an advanced filter system to eliminate toxic emissions in exhaust gas. A new technology is used to capture toxic substances emitted from a pollution source or a chimney of a fire coal boiler, a nano-technology and advanced chemical reactions are used to remove pollutants in the exhaust gas, and principles of the interaction between the gas and a liquid and the interaction between the gas and a solid are applied, so a clean gas is finally emitted, and sulfuric acid and nitric acid generated in the above reaction process are recovered to make a filtering recovery system become beneficial circulation. The polluted air purifying system has a low cost, and benefits for popularized use.

A solar deinsectization device is composed of a bracket, trap lamps, a high voltage net , an insect collecting bag and a storage battery; the high voltage net is arranged on the periphery of the trap lamps, the insect collecting bag is arranged on the lower end of the high voltage net, wherein a hanger frame is arranged on the upper part of the bracket; the storage battery, the trap lamps and the high voltage net are all connected with the hanger frame, the storage battery is connected with the trap lamps through conducting wires, a solar panel is arranged on the upper end of the bracket and is connected with the storage battery through conducting wires. The invention adopts the solar panel for supplying power, each trap lamp adopts independent solar power supply so that long-distance power transmission line is not needed, and the power lines and wire poles are also saved. The cost is saved and the wires are not damaged, and the possible electric shock accidents are also prevented.

The invention discloses a supersonic wave-ozone-based flue gas desulphurization and denitration device. Air goes through a first valve and then enters a first dryer, the first dryer and a plasma ozone generator are connected by a flowmeter, the plasma ozone generator has two output paths, one path goes through a third valve and then is orderly connected to a second dryer and a first ozone concentration sensor, the other path goes through a second flowmeter and then is orderly connected to a second valve and a flue gas reaction chamber, flue gas is input into the flue gas reaction chamber, an ultrasonic generator is arranged in the flue gas reaction chamber, liquid water orderly goes through a forth valve, a third flowmeter and an ultrasonic oscillator and then is fed into the flue gas reaction chamber, through ultrasonic wave activation action on water and ultrasonic wave mass transfer enhancement effects, when flue gas and ozone go through water mist subjected to ultrasonic treatment and then enter the reaction chamber, gas and water mist in the reaction chamber are subjected to activation under ultrasonic wave action and produce a lot of hydroxyl radicals and other active particles and SO2 and NOX in the flue gas are removed.

The invention provides a direct wallboard radiation heating system employing buried gravity heat pipes. The heating system comprises multiple groups of buried gravity heat pipe radiating units, wherein each radiating unit comprises condensation segments, a heat transport segment, an evaporation segment, a liquid injection opening and a phase change liquid; each radiating unit is provided with two or three condensation segments and is welded to a horizontal mother pipe; the horizontal mother pipe is connected with the heat transport segment through a tee joint; and the liquid injection opening is welded to one end of the horizontal mother pipe. The direct wallboard radiation heating system has the effects that conventional energy consumption can be partially or completely replaced in heating energy consumption of buildings, and 20-40% of energy conservation can be achieved through partial placement. By using automatic one-way heat transfer characteristics of the gravity heat pipes, a moving component is avoided and manual operation is not needed during operation, so that the system almost has no operation cost. The system provided by the invention is suitable for a standby heating system of an industrial building, and has the advantages of being energy-saving, and free of operation cost.

The invention discloses a wind-solar complementary seawater desalination system, which comprises a power supply, an indirect contact seawater desalination system, a direct contact membrane distillation seawater desalination system and a cooling system. The indirect contact seawater desalination system and the direct contact membrane distillation seawater desalination system are connected through a pipeline. The cooling system provides the indirect contact seawater desalination system and the direct contact membrane distillation seawater desalination system with cold energy. By coupling three kinds of energy, unification of high energy efficiency ratio, high fresh water recovery rate and low operation cost of the seawater desalination system is realized, and organic combination of cold waste energy (LNG cold energy) and renewable energy (solar energy and wind energy) is achieved. LNG cold energy is fully utilized. No energy is consumed. There is no operation cost.

Disclosed is a system for treating boiler flue gas. The system for treating boiler flue gas is characterized in that the system comprises a desulfurization system and a denitration system; the flue gas input end of the desulfurization system is connected with the output end of a flue gas discharge device, and the flue gas output end of the desulfurization system is connected with the flue gas input end of the denitration system; the denitration system comprises an ozone escaping treatment system, a photocatalytic system and a denitrification tank; after the flue gas passes through the desulfurization system, before entering the denitrification tank, the flue gas is mixed with substances produced by the photocatalytic system, and the flue gas and the substances enter the denitrification tank together; the ozone escaping treatment system is arranged at the flue gas output end of the denitration system; purified gas is discharged from a purified flue gas outlet after the ozone escaping treatment system. The system for treating the boiler flue gas has the advantages that by the adoption of the system, the boiler flue gas can be effectively treated, sulphur dioxide can be changed into sulfuric acid, nitrogen oxides are changed into nitric acid for recycling, and therefore the recycling benefits of the system far exceed the operation cost of equipment, and users can gain more profits.

The invention discloses underground coal mine hydraulic oriented roof cutting equipment and a construction method thereof. The equipment mainly comprises an anti-explosion pump station, liquid feedinglong tubes, liquid returning long tubes and lateral thrusters, wherein each lateral thruster consists of a plurality of lateral thrusting bars which are connected in series through connecting tubes and connecting rods; and a plurality of hydraulic jacks are arranged on one side of each lateral thrusting bar. The construction method using the equipment comprises the steps of during construction, drilling holes through an advance face, mounting the lateral thrusters in the drilled holes through a lagging face, providing hydraulic force for the lateral thrusters by the anti-explosion pump station, carrying out lateral thrusting by the hydraulic jacks while liquid is fed by the liquid feeding long tubes so as to generate huge thrust to split off top rock of a free face to cut a roof and reduce pressure of surrounding rock of a goaf side; and stopping liquid supplying of the liquid feeding long tubes and releasing pressure, supplying liquid by the liquid returning long tubes, and withdrawing the hydraulic jacks. The underground coal mine hydraulic oriented roof cutting equipment can be used for the fields of coal mine roof cutting and pressure releasing, non-pillar mining, prevention and control of rock burst and the like.

A method by which water may be extracted from the air even without a supply of electricity from a power source or even without a supply of fuel, as well as an apparatus therefor, is disclosed. The apparatus used for the method for extracting water from the air comprises at least a rotatably mounted hygroscopic moisture-absorbing rotor having at least one region through which air can pass in the direction of thickness thereof; a passage for regeneration through which air for regeneration is circulated, of which both ends are opened at the opposing two surfaces of a regeneration region, respectively, the regeneration region being a part of the moisture-absorbing rotor, at which the moisture-absorbing rotor that absorbed moisture is regenerated; and a drain hole for taking out condensed water from the passage for regeneration.