299results about How to "Save energy resources" patented technology

The present invention relates to fume desulfurizing, denitrating and dedusting process in moving bed. During the reverse contact between fume and active coke, the fume first has its adsorbed SO2 eliminated in the desulfurizing layer and then has its NOx reacted with injected NH3 to produce N2, H2O and other harmful products. The active coke after finishing desulfurization and denitration is regenerated in a regenerator physically through heating to decompose and desorb sulfuric acid and sulfate and chemically through the reaction between the created SO3 and the inner surface of the active coke to produce surface functional group. Experiment shows that the technological scheme of the present invention has the advantages of simple process, high efficiency, low cost, low power consumption, low water consumption and other advantages.

The invention discloses a one-step extrusion-blown molding pot forming technology. According to the one-step extrusion-blown molding pot forming technology, a mold pressing forming technology and an extrusion-blown molding technology are combined into a whole. An air inlet core bar of the extrusion-blown molding technology is also a male mold of the mold pressing forming technology. A pot cover, a spout and a pot body of a formed pot can be formed in an extrusion-blown molding mode with one mold in one step. The technological advance of the hollow forming technology field is promoted, the complex and refine development tendency of current hollow products is met, and more complex products can be developed through the idea.

The invention discloses a wireless relay communication system SWIPT (Simultaneous Wireless Information and Power Transfer) method. The time and power distribution scheme of a wireless power supply relay communication system under the requirements of certain service quality and interrupt performance saves the time and energy resources, and is suitable for wireless communication. When the system is in operation, a transmitting end transmits energy and signals to a relay network. After given time, the relay network decodes the received signals and transmits the signals to a receiving end through employing a part of received energy. Through a derived system interrupt probability progressive expression and a simulation result in a flat Rayleigh fading channel, the method designs the distribution of time and power factors. The method can remarkably save the time and energy resources.

The invention discloses a method for tracking moving targets in wireless sensor networks. Monitoring areas are subjected to partition management, a management node is in charge of tracking tasks of an area, and position information of all nodes is not needed to be acquired by a base station; management nodes determine nodes needed to be awakened in the next sampling time period according to positions of main tracking nodes in the previous sampling time period. During each sampling time period, only a small part of nodes is in monitoring or moving states while most of the nodes remain dormant; ordinary nodes monitoring targets only need to send information to the management nodes, and information exchange is not needed; when the targets are lost, searching in one area is performed firstly, then whole network tracking is performed when the area searching fails. By the method for tracking moving targets in the wireless sensor networks, energy consumption of the nodes and communication times among the nodes are reduced, life circle of the networks is prolonged, and communication resources are saved.

The invention discloses a preparation method of double-self-cleaning fabric. The method comprises steps as follows: 1, modified nano titanium dioxide is added to water; 2, the fabric is irradiated for treatment; 3, the fabric treated in the step 2 is soaked in a modified nano titanium dioxide water solution prepared in the step 1 and then taken out to be dried, and the self-cleaning fabric is obtained. The preparation method adopts a simple process, the cost is low, and industrial production is easily realized. The fabric prepared with the method has double self-cleaning effects including a photocatalytic self-cleaning effect and super-hydrophobic self-cleaning effect and has lasting photocatalytic activity.

The invention provides a process for cooling titanium tetrachloride furnace gas, which comprises the following steps: furnace gas discharged sequentially enters a cyclone dust extractor (1) for dust removal, a first cooler (2) for cooling, a spray condensing tower (3) for cooling, a bag filter (4) for filtering, a front leaching tower (5), a rear leaching tower (6), a second cooler (7) for further condensation and a cooling drum (8); waste gases discharged from the cooling drum enter a tail gas washing system and are discharged into the air after meeting discharge standards; and liquid enters a coarse titanium tetrachloride tank (9). The process reasonably uses the heat of the high-temperature titanium tetrachloride furnace gas, improves the recovery rate of TiCl4, reduces the discharge of harmful gases in the tail gas, contributes to environment production, and meets the requirements for establishing an industrial structure which is energy and resource-saving and ecological environment-friendly.

The invention relates to a double-rolling-drum washing machine, which comprises a machine body, wherein a first washing inner drum and a second washing inner drum are vertically arranged in the horizontal direction in the machine body, an outer drum integrally formed through injection molding is arranged outside the first and second washing inner drums, a first motor and a second motor which respectively drive the first and second washing inner drums to rotate are also respectively arranged on the outer drum, the machine body comprises a machine frame and a panel arranged on the machine frame, the outer drum is fixedly arranged on the machine frame, the upper part of the outer drum is at least provided with two hanging springs fixed with the machine frame, the bottom of the outer drum is at least provided with two shock absorption devices fixed with the machine frame, and the middle of the outer drum is also provided with a tensioning spring fixedly connected with the machine frame. Through the technical scheme, the two washing inner drums are arranged in the machine body, the two washing inner drums can operate at the same time for realizing the classified washing of clothes, or the two inner drums can separately operate for realizing the clothes washing volume selection. The double-rolling-drum washing machine has the advantages that the classified washing requirements of people are met, and meanwhile, the environment-protection and energy-saving requirements are also met.

The invention discloses a vacuum membrane distillation type sewage treatment device capable of recycling heat. The vacuum membrane distillation type sewage treatment device comprises a heating tank which is provided with a heater and used for heating sewage, wherein a sewage outlet of the heating tank is communicated with a sewage inlet of a membrane evaporator through a liquid circulating pump, and a sewage outlet of the membrane evaporator is communicated with a sewage backflow inlet of the heating tank; a refrigerant inlet and a refrigerant outlet of a heat pump condenser in the membrane evaporator are communicated with a refrigerant inlet and a refrigerant outlet of a heat pump evaporator through pipelines; and a steam inlet of the heat pump evaporator is communicated with a steam outlet of the membrane evaporator, a liquid water outlet of the heat pump evaporator is connected with a steam-water separator, and a gas outlet of the steam-water separator is connected with a circulating water vacuum pump, so that a vacuum system is formed. The vacuum membrane distillation type sewage treatment device is suitable for treating waste liquids containing heavy metal ions or purified seawater, has three functions of recycling water, concentrating waste liquid and saving energy and is characterized in that a refrigerant is used for recycling heat emitted by phase change of water steam, and the heat is used for heating sewage in the evaporator, so that the heat recycling effect is realized.

The invention discloses a preparation method and application of high-solid-content water-based polyurethane resin and coating thereof. The preparation method comprises the following steps: reacting poly (propylene carbonate) polyols or a mixture of poly (propylene carbonate) polyols and other conventional polypolyols with isocyanate, a chain extender, a crosslinking agent, a catalyst and a sulfonic acid type hydrophilic chain extender, adding water to perform emulsification, and removing a solvent to obtain the high-solid-content water-based polyurethane resin; adding aids such as a leveling agent, a thickening agent, color paste, an environment-friendly cosolvent and a defoaming agent to obtain high-solid-content water-based polyurethane resin coating prepared from the poly(propylene carbonate)polyols. Film-forming and drying speed is high, plumpness is high, and high adhesive force, hardness, water resistance and solvent resistance are achieved.

The invention belongs to wastewater treatment field, especially relates to printing and dyeing mill wastewater treatment. The invention employs sorting and collecting physico-chemical treatment, automatic- pressure filtering and separating wastewater and further chemical treatment for active sludge, to reduce the COD concentration in primary discharged water by 15%, and meet national standard. The invention is characterized by greatly saved energy and resource and benefit for environmental and resource protection and sustainable development.

The invention belongs to the technical field of mobile communication and discloses a power allocation method for a massive MIMO system based on mixed energy collection. In a downlink transmission process of a single-cell multi-user massive MIMO system, a base station is taken as a sending end and is powered by a renewable energy source and a power grid. Renewable energy is collected and then is stored in a battery for data transmission. When the electric quantity of the battery is deficient, the base station ensures service through utilization of the energy of the power grid. According to the method, a mixed energy collection model is established based on energy obtaining renewable energy sources, optimum power is allocated to each user by iterating and updating system information according to channel state and energy state time-variant characteristics and coordination influences between users, the system obtains the highest throughput capacity, and moreover, the non-renewable resources are saved to the greatest extent, thereby achieving a green and energy-saving purpose.

The invention discloses a method for producing high quality coffee concentrated solution. The method comprises the following steps of raw bean baking, grinding, countercurrent cold extraction, filtration centrifugation, freeze concentration, CO2 filling, filling and cold storage. The product is rich in coffee aroma, mellow in taste, pure in flavor and good in stability. Low temperature non-thermal processing technologies and CO2 filling are effectively combined, and the low temperature non-thermal processing technologies such as countercurrent cold extraction and freeze concentration are adopted to process the coffee concentrated solution, so that volatile aroma and active ingredients of coffee can be stored completely. The CO2 filling technology is adopted to isolate oxygen to prevent oil oxidation in the coffee concentrated solution and oxidation browning of nutrient substances, growth and reproduction of microorganisms are restrained, and even the microorganisms die due to damage of growth conditions. The low temperature non-thermal processing technologies and the CO2 filling are effectively combined, so that not only is the high quality of the coffee concentrated solution guaranteed, but also the stability problem of the coffee concentrated solution is effectively solved, the guarantee period of the coffee concentrated solution is prolonged, and the industrial production of the coffee concentrated solution is achieved.

The present invention discloses an improved large-area parking-monitoring system. It comprises first and second parking-monitoring devices. The first parking-monitoring device transmits its parking occupancy data to the second parking-monitoring device via WiFi signals. The second parking-monitoring device transmits the collected parking occupancy data to a base station via cellular signals. This parking-monitoring system has a reduced cellular usage.

Methods and apparatuses for separating metal values, such as nickel and nickel compounds, from mineral ores, including lateritic ores are disclosed. The method includes providing a mixture of particles (e.g., crushed and sized ore) that is composed of at least a first group of particles and a second group of particles. Group members have similar chemical composition, while particles belonging to different groups have dissimilar chemical compositions. The mixture of particles is concurrently, or generally concurrently, heated (using microwave/millimeter wave energy) and exposed to a reactant. The wave energy and the reactant act to increase the difference in either the magnetic susceptibility or other separation properties between the first and second group of particles. The mixture of particles is then passed through an appropriate separator to separate the particles of interest. Optional steps are disclosed for purifying selected particles. The reactant includes sulfur, sulfur compounds, halogens, or halogen compounds.

The invention relates to a preparation method of an antibacterial PVC polyester coated filament. The method consists of: 1) color masterbatch preparation: weighing the following raw materials; putting the raw materials into a high-speed mixer to conduct high speed mixing; carrying out stirring cooling to 50DEG C, then transferring the mixture into a hopper, and sending the hopper into a host hopper by a conveying device; cutting the mixture into particles by a pelletizer, thus obtaining color masterbatch; 2) coating: putting polyester filament into a filament rack, penetrating a mold by a tensioner positioning device, and mounting the mold into a diverter; adding the color masterbatch into a hopper, carrying out heating plasticizing, then bringing the color masterbatch to the diverter by a host motor; letting a traction disc drive the polyester filament to perform coating through the diverter; and conducting cooling with cooling water, then bringing the filament into an automation line, performing detection, and then conducting rolling-up. The carrier resin with polyvinyl chloride as the color masterbatch is added with an antibacterial nano material, the polyester filament is colored, and is also endowed with good antibacterial properties. The stiffness handfeel of the polyester filament is enhanced, and the finishing process of additional application of a stiffening agent in a follow-up processing process of polyester window decorations can be eliminated.

The invention relates to a one-bath dyeing method of trilobal dyeable modified polyester/cotton blended fabric with the high cationic content. The method comprises the following steps: (1) immersing the modified polyester/cotton blended fabric into a cationic dye bath, then heating to 70-75 DEG C, carrying out heat preservation for 10-15 minutes, then heating to 95-100 DEG C, carrying out heat preservation and dyeing for 50-70 minutes, and then cooling to 25-30 DEG C within 25-35 minutes; (2) adding an activated dye, and then adding anhydrous sodium sulphate and alkali, heating to 58-62 DEG C, adding the residual alkali, rapidly cooling to room temperature after the heat preservation and fixation are finished, washing, neutrally soaping, washing and drying. The one-bath dyeing method of the modified polyester/cotton blended fabric is creatively adopted; the one-bath dyeing method is simple and feasible to operate; a large quantity of energy sources and manpower resources are saved; no special dyeing assistant or anti-settle agent is added in the dyeing process. Therefore, the method is healthy and has the environment-friendly effect; the leveling property and the color fastness meet the requirements.