14results about How to "Low utilization efficiency" patented technology

The invention belongs to the field of materials, and relates to a silica brick and a preparation method thereof. According to the invention, calcium nitrate tetrahydrate and ferrous nitrate are taken as mineralizing agents, CaO and FeO which are high in activity and are uniformly distributed are provided for the silica brick in the sintering process, and the problems that the mineralizing agents are difficult to uniformly disperse and Fe < 2 + > is easy to oxidize when lime milk and iron scale are taken as the mineralizing agents in the existing silica brick preparation technology, so that the utilization efficiency of the mineralizing agents is low are solved. According to the invention, mineralizer reduction and firing temperature reduction are realized by improving the use efficiency of the mineralizer, and the amorphous phase content in the finished product of the silica brick is obviously reduced on the premise of not reducing the content of phosphorus quartz. The preparation method is simple, the raw materials are rich, the cost performance is excellent, the sintering process is easy to control, the preparation method is suitable for industrial production of large silica bricks, and the finished product bricks are excellent in performance and high in percent of pass.

The invention relates to the technical field of biomass treatment and hydrogen production, in particular to an efficient circulating power generation system based on coupling of calcium-based chemical chain gasification hydrogen production and a solid oxide fuel cell and an operation method of the efficient circulating power generation system. The system at least comprises a gasification reactor, a third flow divider, a first material return valve, a regeneration reactor, a fourth heat exchanger, a CO2-rich flue gas conveying pipe, a flue gas purification system, a waste heat utilization boiler, a carbon capture and storage module and the like which are sequentially communicated, the gasification reactor is further communicated with the high-temperature water vapor conveying pipe, and the regeneration reactor is communicated with a fourth heat exchanger. Efficient hydrogen production and carbon capture are achieved through the calcium-based chemical chain gasification technology, efficient power generation is conducted by combining the solid oxide fuel cell, heat-mass balance is systematically optimized, and the hydrogen production efficiency and the overall energy utilization efficiency are improved.

The invention relates to the field of load side energy-saving energy management, in particular to a power system load side energy-saving energy management system, which comprises a data acquisition module, a data analysis module, an intelligent control module, an energy-saving optimization module and a night electricity storage module. The intelligent control module carries out processing according to the signals sent by the data analysis module, the energy-saving optimization module carries out energy saving on different areas of a commercial building according to the received energy-saving signals, and the night electricity storage module carries out charging and electric energy storage according to the off-peak period of the power grid load at night. Energy waste is reduced, the electricity utilization cost of a user is reduced, and the method has important significance in promoting sustainable development and coping with climate changes.

The invention discloses a protection and disassembly optimized reboiler and a use method, the reboiler comprises a reboiler body, the reboiler body is connected with a conveying pipe through a connecting pipe, and the joint of the conveying pipe and the connecting pipe is provided with a limiting groove; a sealing strip is arranged between the limiting grooves in the two sides, the sealing strip is of an annular structure, and sealing dismounting mechanisms are symmetrically arranged along the outer side of the annular structure and used for controlling mounting and dismounting of the sealing strip, the conveying pipe and the connecting pipe; the reboiler body is used for forming a stable heat exchange condition and ensuring efficient heat transfer. The device has the advantages of being efficient in protection performance, excellent in sealing performance, convenient to disassemble and assemble, capable of optimizing fluid transmission performance and high in structural stability, and the safety, energy efficiency and maintenance convenience of the device are remarkably improved.

The invention relates to the technical field of sewage treatment, and in particular to an intelligent sewage treatment system. The invention provides a nitrification unit, a denitrification unit, a pre-analysis unit, and an intelligent adjustment unit. A plurality of light transmission detection modules are arranged in the nitrification unit, and a tray module, a thickness measurement module, and a plurality of mud discharge ports are arranged in the denitrification unit. The pre-analysis unit obtains a water characteristic characterization value through the water transmittance at different heights under different aeration states of an aeration mechanism to determine whether water impurities have property characteristics. The property classification category of water impurities is determined according to the change of sludge in the tray by the intelligent adjustment unit, and a treatment method of the sludge in the tray is selected according to the property classification category. Thus, the properties of water impurities are classified according to the actual situation of sewage, the treatment method of sludge in sewage is adaptively adjusted, and the release efficiency of internal carbon sources in sewage and the efficiency of sewage denitrification are improved.

The utility model relates to a double-stage electrostatic oil fume treatment unit with fresh air heating and oil stain self-cleaning functions, belonging to the field of high-voltage electrostatic purification of oil fume and the field of fresh air heating. The utility model is to solve the problems of low removal efficiency of oil fume particles caused by the phenomenon of "counter electric field" when high-voltage electrostatic technology purifies oil fume, poor cleaning effect of conventional cleaning measures, high corona voltage, easy air breakdown to form sparks, high risk of fire, and high energy consumption of heating fresh air in winter. The utility model includes an oil fume collecting device, a charging mixing section, a first-stage oil fume treatment section, a second-stage oil fume treatment section, oil fume pipeline components, and fresh air pipeline components. The oil fume collecting device is installed at the inlet end of the oil fume pipeline components. The charging mixing section, the first-stage oil fume treatment section, and the second-stage oil fume treatment section are connected in series in the oil fume pipeline components in the order of the oil fume flow direction. The fresh air pipeline components are installed on the first-stage oil fume treatment section and the second-stage oil fume treatment section. The utility model is used as a device for treating indoor oil fume and preheating indoor fresh air.

The utility model relates to a household miniature heat-conducting oil furnace system, which adopts a liquid-phase organic heat carrier internal circulation heat regeneration technology combining a coal economizer and an air pre-heater outside the furnace to recover flue gas waste heat, effectively avoids low-temperature corrosion of flue gas, and simultaneously realizes high-temperature efficient heat utilization of the heat-conducting oil furnace technology in families. The implementation and popularization of the method have excellent economic and social significance.

The application discloses a manufacturing method for aluminum alloy door and window profiles, and relates to the technical field of aluminum profile processing.The manufacturing method comprises an extrusion cylinder, an upper die and a lower die which are installed on an extrusion machine body, a liquid nitrogen spraying device for cooling a discharge port of the lower die is arranged on the extrusion cylinder, and the extrusion cylinder, the upper die and the lower die are internally provided with a cooling pipe network which is in communication.The liquid nitrogen filling device is arranged to make liquid nitrogen flow through the inner walls of the extrusion cylinder and the upper die through a first cooling main channel, a first inlet channel, a second cooling main channel, a first cooling branch channel, a central cooling cavity, a second cooling branch channel, a third cooling main channel, a first outlet channel, a third outlet channel and a fifth cooling main channel, so that the extrusion cylinder and the upper die are cooled through heat conduction, the temperature of the inner cavity of the extrusion cylinder and the branch outlet of the upper die is prevented from being too high, the profile is prevented from being subjected to heat and then being subjected to mechanical property decline, surface oxidation change or even intense heat, and the production qualified rate of the aluminum profile is ensured.

The invention discloses a method for generating high-temperature and high-pressure steam for power generation in a closed water body of a deep underwater space of a reservoir, a lake and an ocean by using green electricity. An underwater storage tank, electric heating equipment, a water supplementing pipeline, an output pipeline, steam pressurizing and heating equipment and steam turbine power generation equipment are included. An underwater storage tank is arranged at the water bottom, an electric heater is installed in the storage tank, a water supplementing pipeline is communicated to the bottom of the storage tank from the water surface, an output pipeline is arranged at the top of the storage tank and connected with a steam pressurizer and a steam heater which are driven by green electricity, output high-temperature and high-pressure superheated steam drives a steam turbine generator to generate electricity, and stable and balanced electric power supply is carried out. According to the technology, the underwater space is fully utilized, by means of the natural pressure of the deep water body, redundant wind, photoelectric energy and other renewable electric power are consumed locally to heat the large-scale water body to generate high-temperature and high-pressure steam, and long-time and cross-seasonal heat storage and power generation are achieved. And the method has very important significance in improving the utilization rate of new energy electric energy and accelerating the realization of the dual-carbon target of 3060.

Methods and apparatuses for data transmission and reception are provided. The method includes: transmitting data scheduling control information by a network device to a terminal equipment; transmitting first indication information used for indicating one or more frequency-domain bandwidth resources by the network device to the terminal equipment; and receiving by the network device the uplink data transmitted by the terminal equipment. Hence, efficiency of utilization of spectral resources may be improved, transmission latency may be reduced, and flexibility of scheduling may be ensured.

The utility model relates to the field of office chair, specifically is a kind of folding multifunctional office chair, including seat, the four corners of seat bottom are all fixedly connected with supporting leg;The utility model is through being provided with folding mechanism, by holding handlebar and moving downwards, the movement of handlebar drives connecting rod to move, the movement of connecting rod drives rotating seat to move, the movement of rotating seat drives connecting seat to move, the movement of connecting seat drives ratchet pawl to rotate, cancel the blocking of ratchet wheel, can hold chair back counterclockwise rotation, and chair back is adhered in the top of seat, can reduce the occupied space of chair back, solved the seat of office chair usually is fixed integrated, will long-term occupy fixed office space, reduce the utilization efficiency of office space, and when not using office chair, the storage of seat is also very inconvenient, difficult to effectively store, possibly need to occupy additional storage space.

The invention relates to the technical field of seasoning preparation, and particularly discloses a preparation method of low-salt fermented sauce. The invention breaks through the fermentation mode of the traditional sauce, and provides an efficient preparation method of the low-salt fermented sauce. The process adopts a core process of'enzymolysis-fermentation-heat treatment ', the preparation process is a salt-free system, the operation is simple, the utilization efficiency of raw materials is high, the fermentation process only needs about 7 days, and the obtained low-salt sauce product is rich in fragrance, moderate in overall product viscosity, relatively bright red brown, bright and glossy in color, rich in sauce fragrance, rich and mellow in taste, and rich in flavor. The flavor quality is ensured under the condition that the low-salt requirement is met. The preparation method does not need high-cost equipment, is high in production efficiency and low in production cost, can easily meet the production requirements of different scales, and has a wide market application prospect.

The invention discloses a fermented feed for promoting ruminants to efficiently utilize soluble proteins as well as a preparation method and application of the fermented feed, and belongs to the technical field of animal feeds. The fermented feed is prepared by fermenting a substrate consisting of cottonseed meal, corn flour and bran with a compound bacteria solution, and the substrate comprises the following components in percentage by mass: 5-31% of cottonseed meal, 2-31% of corn flour and 38-93% of bran; the mass of the composite bacterial liquid is 8-10% of that of the substrate, and the composite bacterial liquid is prepared by compounding a candida tropicalis bacterial liquid and an enterococcus faecalis bacterial liquid according to a volume ratio of 1: 1, wherein the concentrations of the candida tropicalis bacterial liquid and the enterococcus faecalis bacterial liquid are both 108 CFU / mL. The preparation method comprises the following steps: crushing and sieving the substrate, mixing, adjusting the water content to 40%, spraying the compound bacteria liquid, uniformly mixing, and fermenting at a constant temperature of 30 DEG C. According to the invention, the substrate ratio and the fermentation process are optimized, the utilization efficiency of soluble protein by ruminants is improved, the rumen fermentation environment is improved, meanwhile, the nitrogen emission is reduced, and economic benefits and environmental protection values are achieved in animal production.

The application belongs to the technical field of sporogon culture, and particularly relates to a culture method of sporogon of Brychus based on a liquid culture medium, which comprises the following steps: S1, preparing a Brychus sample with mature sporogon; S2, preparing a spore suspension, taking a mature sporangium of the Brychus and taking out spores, and dispersing the spores into distilled water to prepare a spore suspension; and S3, inoculation, inoculating the spore suspension into a culture bottle containing a liquid culture medium, and then culturing the culture bottle after being covered. The application customizes a special liquid culture medium formula according to the physiological characteristics and growth requirements of the sporogon of the Brychus, and matches highly adaptive culture environment parameters, and the two synergistically ensure the smooth culture of the sporogon of the Brychus from the two dimensions of nutrient supply and environment adaptation.