122results about How to "Save on energy bills" patented technology

The invention provides a chambering -forging forming method for an aluminum alloy hub with a complex structure and a die thereof. The forming method comprises the steps of: preparing for materials; heating blanks; upsetting; mould-pressing and chambering a rim. The die for realizing the chambering-forging forming method for the aluminum alloy hub with the complex structure comprises a forging die and a rim-chambering die, wherein an upper die of the forging die consists of an upper die body and an upper die core which are sequentially nested and mounted, a lower die consists of a lower die body, a lower die core and an ejector rod which are sequentially nested and mounted; and the bottom and the side wall of the assembling part of the lower die core and the lower die body are uniformly provided with 4-8 R3 penetrating exhaust grooves, the rim-chambering die consists of an upper chambering die and a lower chambering die, and the size of a cavity of the upper chambering die is same as the size of the cavity of the upper die core of the forging die. The invention realizes once-heating forming; a non-burr forging and rim-chambering forming process is adopted, thus two trimming procedures are eliminated, material utilization rate is improved, and number of equipment is reduced; and the rim-chambering die has a simple structure and is convenient for operation.

The invention discloses a method for producing polyamide. The method comprises the following steps: 1, adding a molten diamine to a solid dicarboxylic acid without a solvent, forming a mixed solution of the dicarboxylic acid and the diamine or a suspension with good fluidity in a first polymerization reactor, and forming a prepolymer of polyamide with the inherent viscosity of 0.3-0.7dl/g in a second polymerization reactor; and 2, granulating the prepolymer with a double screw extruder with at least two vent holes, adding prepolymer particles to a solid phase polymerization reactor of a fixedbed, heating the prepolymer particles with hot nitrogen with a certain flow and a certain temperature, reacting for 1-15h to obtain products of polyamide with the inherent viscosity of 1.0-2.5dl/g. Compared with previous polyamide polymerization methods, extra energy costs needed by solvent removal are reduced and the operation cost is reduced because polycondensation is carried out without the solvent; energy consumption in the melting process is reduced and possible problems of raw material oxidation and the like caused by a high melting temperature are avoided because cases that the diamine and the diacid for polyamide production have different melting points and the melting point of the diamine is low, and the molten diamine is added to the solid diacid are skillfully used in the method of the present invention.

The present invention discloses a method of building energy efficiency management on the basis of big data. The method of building energy efficiency management on the basis of big data comprises a building energy efficiency management system architecture on the basis of big data consisting of a user layer, a master station layer, an interface layer and a mechanical layer. The user layer is configured to allow a user to log in a main station system through a system portal in a single sign-on or direct entry mode; and the master station layer is composed of an application layer and a data layer. The application layer is mainly composed of a building energy efficiency management system and a big data platform, the big data platform and the master station of the building energy efficiency management system are subjected to butt joint so as to upload various data to the building energy efficiency management system, and the building energy efficiency management system performs final real time display and historical analysis and comparison of the various data to form a report and a diagnosis opinion of energy conservation and provide related analysis ideas for energy conservation reconstruction. The big data platform is able to issue data inputted into the big data platform and also perform further data analysis and processing so as to provide data basis for more advanced function applications.

The invention relates to a sludge band type drier and a drying processing method, belonging to the field of solid wastes. The drier comprises a sludge noodle preparing device, a box body, an air blower, an air flue, an air blower for exhausting the air, an air mixing cavity, an air heating device, a sludge water-cooling spiral conveyer arranged in the box body, and an air draft device, wherein the sludge noodle preparing device is arranged in the position of a sludge feeding port on the top of the box body; a feeding port and a discharge port are respectively arranged on the upper part and the lower part of the box body; a drying band and a driving device thereof form a vertical module device, and at most two layers of drying bands are arranged; one air draft device, one air heating device and one air blower form a horizontal module device; and the box body is provided with a plurality of air outlets and air inlets so that the sludge is blown by the lateral dry hot air from the side to reach a drying state. The system of the invention has the advantages of safe and environment-protection operation, short route of the sludge, high drying efficiency, less heat loss, simplicity in operation, low maintenance cost, safety, energy-saving performance, environmental-friendliness and recycling.

The invention provides a production method for a modified artificial graphite negative electrode material. The method comprises: taking powder obtained by grinding petroleum coke as a main raw material and performing shaping treatment; adding a certain proportion of petroleum asphalt into the shaped petroleum coke material, and performing secondary granulation treatment in an extrusion fusion way; adding the granulated material into a mixture of petroleum asphalt and coal asphalt or coal tar, and performing coating modification treatment; putting the material into a graphitization furnace in bulk to perform high-temperature graphitization treatment, or performing carbonization and graphitization treatment in sequence; performing dispersion and grading treatment after the material is cooled to the room temperature; and finally adding few carbon nanotubes to perform mixing and screening. The method has the advantages that the main raw material is ground petroleum coke powder, and the powder is recycled, so that the cost can be reduced; secondary granulation of small granules can increase the capacity of the material and improve the cycle performance of the material; and due to the adoption of a graphite plate loading mode, the graphitization degree of the material can be increased, namely, the capacity can be increased, and the energy consumption cost can be reduced.

The invention discloses a high-speed cyclic gas-liquid mixed micro-nano foam generating device, which consists of two hemispherical containers and a cylindrical container which is connected with a water inlet pipe, hollow C-shaped pipes (3) and (3') are arranged on the cylindrical inner surface, and a circular hole (4) for spraying liquid to achieve the effects of micro-nano foam and an air conduit is formed at each of two hemispherical ends. Due to the hollow C-shaped pipes, the rotating speed of liquid is improved (so that super-micro thinning of foam is promoted), and the superfine foam generating rate is improved by 25 percent compared with the conventional superfine foam generating rate.

The present invention discloses an artificial intelligence home environment management system based on big data. The system comprises an identification system, an intelligent integration communicationsystem, a sensor system, a home environment terminal system, an artificial intelligence operation management system and a cloud center processor. The identification system identifies resident information and then upload resident environment data collected by the sensor system to a data analysis layer in the artificial intelligence operation management system through the intelligent integration communication system so as to establish a unique 'temperature and humidity' model of the residents in a model layer in the artificial intelligence operation management system. The artificial intelligence home environment management system is employed to improve the comfort level when the users are living, ensure the air quality safety of the home space and greatly save the energy cost in the home environmental unit usage process.

The invention belongs to the technical field of energy conservation and environment friendliness, and relates to a free energy heat pump multiple-effect evaporation device which integrates a heat pump and a multiple-effect evaporation system, and a free energy heat pump multiple-effect evaporation process. The free energy heat pump multiple-effect evaporation device comprises the heat pump and the multiple-effect evaporation system which is integrated with the heat pump, wherein the heat pump is a medium- and high- temperature heat pump and is driven by a power supply system; the multiple-effect evaporation system comprises a vertical heat exchanger, a multiple-effect separator, a multiple-effect evaporator, a condenser, a heat exchanger, a delivery pump and a vacuum pump; and the medium-and high- temperature heat pump is communicated with the vertical heat exchanger and the condenser by a process pipeline. According to the free energy heat pump multiple-effect evaporation device and the free energy heat pump multiple-effect evaporation process, the running of the heat pump is adopted, and a cold source and a heat source are utilized organically, so that the aim of energy conservation can be fulfilled in the first-effect or second-effect operating state, operating energy consumption is reduced, and the simplification of equipment and the reduction of fixed investments are facilitated; and the free energy heat pump multiple-effect evaporation device can operate under the condition of lack of steam, the number of laying of steam pipelines can be reduced, a circulating cooling water system can be eliminated, and the waste heat discharge is reduced.

This invention discloses a floor drain with the waste water recycling interface. It mainly consists of the floor drain, the cover board, the waste heat water extraction path, the waste heat water transition cavity and the strainer. The waste water transition cavity is set in the bottom of the floor drain, the suction duct mouth waste heat water extraction path is set in the bottom of the waste heat water transition cavity which the water intake pipe is connected to the outside though the floor drain. The strainer is set on the waste water transition cavity, the cover board covers on the floor drain. The floor drain with the waste water recycling interface matched with the heat exchanger can use the heat energy in the waste heat water, so it can save energy for the family and decrease the heat pollution to the environment and has the good economic and social benefits.

The invention provides a light-emitting diode (LED) streetlight wireless energy-saving control system. The light-emitting diode streetlight wireless energy-saving control system comprises an LED streetlight monitor, subnet controllers and a monitoring center. The streetlight monitor is connected with an LED streetlight, a plurality of streetlight monitors keep in touch with corresponding subnet controllers through wireless protocol, and each subnet controller keeps in touch with the monitoring center through an intelligent network. The monitoring center comprises a data management module, a control panel module, a data base module, a user management module and a communication management module. The LED streetlight energy-saving control system based on a wireless sensing technology improves efficiency of streetlight management and efficiency of streetlight failure processing, reduces energy consumption of the streetlight, saves electric power, prolongs service life of an illuminating lamp, saves energy cost and illumination cost, simple to network, flexible to expand and high-efficient, convenient and fast to supervise.

The invention discloses a sintering-free ceramic body material and a preparation method thereof. The ceramic body material is prepared from metakaolin or blast furnace slag, sodium silicate and water, wherein a weight ratio of the metakaolin or blast furnace slag to sodium silicate is (1-1.5):1, and the addition amount of water accounts for 10-20 percent of the total weight of the metakaolin or blast furnace slag and the sodium silicate. The sintering-free ceramic body material disclosed by the invention has the innovative characteristics that the green body is sintering-free, a low-temperature fired glaze at the temperature of about 600-800 DEG C can be applied to the surface and the production period is short. Meanwhile, the conventional universal green body paste of the traditional high-temperature ceramics can be replaced, large-scale industrial production is realized, millions of energy cost even more money can be saved for ceramic enterprises, and the ceramic body material has high significance for protecting the environmental resources.

A brake piston having required mechanical strength is produced through fewer steps than in conventional processes. An aluminum alloy containing Si and Mg, wherein the aluminum alloy has a Si concentration (CSi mass%) and a Mg concentration (CMg mass%) falling within a range surrounded by four points A (0.75, 1.25), B (1.4, 1), C (1.4, 0.6), and D (0.75, 0.85) in terms of a relationship thereof (CSi , CMg ), and further has a Cu concentration of 0.07 to 0.9 mass%, a Mn concentration of 0.1 to 0.9 mass%, a Ti concentration of 0.005 to 0.15 mass%, a Cr concentration of 0.2 mass% or less, and a Fe concentration of 0.5 mass%, the balance being Al and inevitable impurities is cast to obtain a rod-shaped ingot. The rod-shaped ingot, without being subjected to a homogenization treatment, is straightened within 3 (three) days after the casting. The straightened rod-shaped ingot is cut into a given thickness to obtain a forging raw material. This forging raw material, without being subjected to annealing, is cold-forged at a reduction rate of 25 to 90% within 7 (seven) days after the casting of the rod-shaped ingot into a cup shape, which is subjected to age-hardening without being subjected to a solution heat treatment.

The invention relates to the field of tunnel engineering, in particular to a tunnel cold-proof and freezing-proof system in alpine regions. The tunnel cold-proof and freezing-proof system comprises afan, a generator, a freezing-proof layer and an electric heating element, wherein the fan is arranged in a tunnel; the generator is connected with the fan; the freezing-proof layer is arranged betweena primary support and a secondary lining of the tunnel or arranged on the side, close to the center of the tunnel, of the secondary lining; and the electric heating element is electrically connectedwith the generator, and the electric heating element is arranged in a drainage system and/or the freezing-proof layer of the tunnel. The tunnel cold-proof and freezing-proof method and the heat energycalculation method are based on the system. According to the tunnel cold-proof and freezing-proof system, clean energy wind energy generated in the tunnel is utilized, extra manual energy applicationis not needed, freezing damage is avoided, and meanwhile the beneficial effects of being capable of saving energy, free of pollution and high in working frequency are achieved.

The present invention relates to a method for purifying molten non-ferrous metal liquid and its equipment. Its method includes adsorptive purification by using purification gas and making it pass through molten non-ferrous metal liquid. The invention is characterized by that at the same time of making adsorptive purification by using gas, the evacuation is made over the molten non-ferrous metal liquid so as to form negative pressure to suck the molten liquid. Its equipment is formed from non-ferrous metal purification device and evacuation device that is connected with the space over the molten liquid in the purification device. Said purification device can be in monochamber structure, several chamber structure and chamber-free structure. Said method is high in efficiency, low in energy consumption and can save energy.

The present invention relates to a flooring material for a Korean underfloor heating system, and more particularly, to a flooring panel consisting of an extruded resin plate. A plurality of passages and air pockets are integrally formed in a lattice shape in the flooring panel, and hot water is caused to flow through passage joints so as to effectively perform cooling and heating. By forming air pockets, heat-insulation effects can be achieved, and noise between the floors of a building, which causes problems between the floors of a building, can also be reduced. The passage joints are formed into two different types, and screw threads are formed opposite one another, so as to enable two sheets of panels to be coupled together or separated using one nut, thereby minimizing the risk of leakage. A concavo-convex coupling structure is formed for coupling one panel to another, and a drill bit groove is formed in a recessed surface so as to enable the panel to be fixed to a plywood board thereunder using a drill bit, such that assembly and construction can be simply and quickly carried out, thereby significantly reducing costs.

The invention relates to molybdenum wire production continuous rolling and continuous forging cogging equipment, which comprises a heating furnace, a rolling machine, a first rotary forcing unit, a butt-welding machine and a second rotary forging unit arranged in sequence. The invention further relates to a method for producing a molybdenum wire with the equipment. By adopting a continuous rolling and continuous forcing process in which the advantages of cogging of the rolling machine and a plurality of rotary fogging machines are combined, the investment cost is greatly reduced, production efficiency is increased, consumption is lowered, and yield is increased. Meanwhile, the automatic control degree is high, noise is small, a good dust collecting effect is achieved, working environment conditions can meet relevant industrial sanitation and environment requirement standards, and the product quality can reach the world advanced level.