98results about How to "Reduce unit power consumption" patented technology

The invention discloses a method for producing a high-purity high-density alumina block material for sapphire single crystals. A high-frequency induction power supply is utilized as a heating power supply, an alumina micropowder raw material in a cold crucible is melted to form a molten bath, and a Bruceton-process single crystal growing process making the cold crucible slowly reduced is combined, so that alumina in the molten bath generates multi-nucleus directional crystallization, and fine columnar or needle-like alumina smallcrystal clusters are obtained finally. The method is used for producing the high-purity high-density alumina block raw material, has low unit electricity consumption and is easy for mass production; and the obtained alumina smallcrystals have the purity of over 99.997 percent, the volume density of not less than 3.7g/cm<3> and the bulk density of not less than 2.0g/cm<3>.

The invention discloses an air separation method utilizing liquefied natural gas cold energy, comprising an air separation unit, an LNG cold energy utilization unit providing refrigeration energy for the LNG cold energy utilization unit and a glycol water solution circulation unit utilizing NG high temperature cold energy. In the invention, low temperature cold energy of the LNG is applied to the air separation system, thus unit power consumption of a liquid air separation product can be reduced to about 0.30kwh/m, which is one third of the unit power consumption of a liquid air separation product in conventional process production; and unit power consumption of the internal compressed gas product also can be greatly reduced, and meanwhile a large number of cooling water can be saved, thus being in accordance with the trend of energy saving, consumption reduction and circular economy developing and having obvious social benefit and economic benefit.

The invention discloses a process for producing a urea sulfate ammoniated compound fertilizer. The process comprises the following steps of: (1) putting sulfuric acid and urea which are in a mixture ratio into a reaction vessel for producing urea sulfate; (2) preparing a 75% urea sulfate solution from the urea sulfate by using a tail gas washing solution of a pelleting machine; (3) reacting the urea sulfate solution with gas ammonia and steam in a tubular reactor so as to generate a large number of high-temperature high-pressure superheated steam and produce ammonia sulfate and urea molten slurry; (4) loading a fertilizer containing nitrogen, phosphorus and potassium and fillers in the pelleting machine, meanwhile, carrying out atomized spray pelleting on the various materials at a feed port of the pelleting machine by using the ammonia sulfate and the urea molten slurry; (5) feeding a compound fertilizer material obtained after carrying out atomized spray pelleting into the pelleting machine for flowing bonding pelleting; and (6) carrying out twice cooling and twice screening on the compound fertilizer discharged from the pelleting machine to obtain the urea sulfate ammoniated compound fertilizer. According to the invention, the drying and baking procedures are omitted, so that raw materials and energy can be saved, and a product is high in pelletization rate and good in quality.

The invention relates to an oxide insulating layer which is capable of being used to discover a material which reduces the power of a phase change memory and an improvement on the structure of an unit device and an implementation method, and belongs to the field of microelectronics. The invention is characterized in that the oxide insulating layer is added between a bottom heating W electrode and a chalcogenide compound thin film layer, and the thickness of the insulating layer is controlled below 10nm. The optional materials of the oxide insulating layer comprise TiO2 and the like. The improvement of the unit device is achieved through that after various needed thin films are deposited on a substrate, a phase change operation unit in micron is obtained through a micro-nano processing technology, and an upper electrode and a lower electrode which are capable of being used to test the performance are led. Because the oxide insulating layer has excellent thermal stability and thermal conduction which is far lower than a bottom heating W electrode, is compatible with a CMOS standard manufacturing technology, increases marked effect of the unit thermal effect of the device, and the purpose of effectively reducing the power of the unit is achieved.

The invention relates to a method for using rectification at low temperature to separate air, and relative device. Wherein, said device comprises a booster (5), an expander (6), and a cooler (10) to form one low-temperature boost turbine expander, which will boost and cool another air to be reduced temperature, expanded and cooled in the main heat exchanger to be fed into the upper tower (14) of rectification tower for rectification. In the separation process, it uses different expanders as middle pressure and low pressure, which expand in different pressures and temperatures to supply cold energy to the separation process; the expanded air is fed into the upper and lower towers for rectification. The invention has lower unit electricity consumption as 2.5% reduced.

The invention discloses an air separation method utilizing cold energy of liquefied natural gas (LNG), which comprises three parts of an air separation unit, an LNG cold energy utilization unit for providing the cold energy for the air separation unit and a circulating coolant circulation unit utilizing NG high-temperature cold energy. The air separation method can greatly reduce the unit power consumption of a liquid air separation product or an internal compressed gas product after utilizing low-temperature cold energy of the LNG for the air separation unit, obtain a large number of liquid nitrogen products, lead the extraction rate of argon to be high, simultaneously save a large amount of cooling water, be in line with the big trend of energy conservation, consumption reduction and development of cyclic economy and have obvious social benefits and economic benefits.

The invention relates to a built-out powder concentrator type vertical mill combined grinding system adopting a non-metal grinding medium. The built-out powder concentrator type vertical mill combined grinding system adopting the non-metal grinding medium is characterized by comprising a material distribution bin, a weighing scale, a feeding lifting machine, a vertical mill, a V-shaped powder concentrator feeding lifting machine, a V-shaped powder concentrator, a buffering bin, an efficient powder concentrator, a system dust collector, a system draught fan, a chimney, a first finished-product conveying chute, a ball mill, a mill tail lifting machine, a second finished-product conveying chute, a mill tail dust collector and a mill tail dust collection draught fan, wherein the material distribution bin, the weighing scale, the feeding lifting machine, the vertical mill, the V-shaped powder concentrator feeding lifting machine, the V-shaped powder concentrator, the buffering bin, the efficient powder concentrator, the system dust collector, the system draught fan, the chimney, the first finished-product conveying chute, the ball mill, the mill tail lifting machine, the second finished-product conveying chute, the mill tail dust collector and the mill tail dust collection draught fan are sequentially connected. The built-out powder concentrator type vertical mill combined grinding system adopting the non-metal grinding medium can stabilize operation of the vertical mill, adjust the cement grain size grading, relieve the ball coating phenomenon in the mill, improve the grinding efficiency in the mill, lower the noise of the ball mill in the operation process, reduce the pollution to finished products, reduce the unit power consumption and improve the performance of finished cement.

The invention provided a carbide slag grinding method and a low temperature chlorination method for preparing TiCl4. The grinding method comprises the following steps: adding the carbide slag raw material in a first cabin of a ball grinding mill for crushing; then feeding the crushed carbide slag into a second cabin for grinding to obtain carbide slag powder, wherein first cabin grinding bodies in the first cabin comprise 60-75 weight percent of steel balls with the diameter of 120 mm, 25-40 weight percent of steel balls with the diameter of 80 mm; second cabin grinding bodies in a second cabin comprise 10-15 weight percent of steel balls with the diameter of 100 mm, 25-45 weight percent of steel balls with the diameter of 80 mm, 25-40 weight percent of steel balls with the diameter of 60mm and 10-15 weight percent of steel balls with the diameter of 40 mm. According to the carbide slag grinding method and the low temperature chlorination method for preparing TiCl4, most of the carbide slag can be grinded to 0.074mm-0.178mm through the reasonable steel ball graduation of the ball grinding mill; the smooth progress of follow-up technology of low temperature fluidizing chlorination of the carbide slag for the production of titanium tetrachloride is guaranteed.

The invention discloses an evaporation crystallization method for treating salt-containing wastewater. The method comprises the following steps: allowing the salt-containing wastewater to sequentially pass through an electromagnetic wave emitting device and a primary preheater, and then feeding the wastewater into a two-effect falling film evaporator for evaporation; feeding the primary concentrated liquid after evaporation in the two-effect falling film evaporator into a gas-liquid separator for separation, and then feeding the primary concentrated liquid after the separation of the gas-liquid separator into a one-effect falling film evaporator for evaporation crystallization, thus obtaining a secondary concentrated liquid in a supersaturated state; feeding the secondary concentrated liquid into a crystallization separator for crystallization, and then feeding the liquid obtained in the crystallization separator into the one-effect falling film evaporator for circulating evaporation, and discharging crystals obtained in the crystallization separator through a solid discharging device. According to the invention, the evaporation crystallization process of high-concentration brine is divided into an unsaturated evaporation process and a supersaturated crystallization process, thereby ensuring that a part of water is evaporated out firstly from the material at a relatively low concentration and reducing the influences of reduced heat transfer temperature difference in the evaporator, reduction of evaporation effect and accordingly energy consumption increase due to the elevation of boiling point of the supersaturated brine.

The invention relates to a variable-frequency pulse electrochemical process for removing ammonia-nitrogen in landfill leachate. Variable-frequency pulse electrochemical pretreatment is carried out before anaerobic biological treatment and aerobic biological treatment or variable-frequency pulse electrochemical deep treatment is carried out after the anaerobic biological treatment and the aerobic biological treatment; the variable-frequency pulse electrochemical treatment adopts a variable-frequency pulse electrochemical device which comprises an electrobath and a variable-frequency pulse power supply connected with an electrode plate of the electrobath, wherein the variable-frequency pulse power supply is arranged in a power cabinet, the input end of the variable-frequency pulse power supply is externally connected with a three-phase power of 380V/50Hz, the output ends are used for guiding out anode and cathode which are respectively connected with the positive pole and the negative pole of the electrode plate of the electrobath, and a control panel of the power cabinet is provided with frequency, voltage and current adjusting buttons. Due to the adoption of the variable-frequencypulse electrochemical process, the ammonia-nitrogen removal rate can reach 70-100 percent, and the effluent of the landfill leachate with the unit electricity consumption of 4-8 kwh/m<3>, which is treated by the full process line, has the NH3-N content less than 6 mg/L and reaches the emission standard of national municipal solid waste landfill pollution control standard of GB16889-2008.

The invention discloses a transmission method of an optical fiber transmission subsystem. The optical fiber transmission subsystem comprises an equipment machine frame, a plurality of service cards and a webmaster board. The service cards with different rates are managed by the webmaster board. The equipment machine frame is provided with N board slots, wherein one of slot positions is occupied by the webmaster board, and any one of the 1-N slot positions is selected by each service card. The transmission method comprises the following steps of: step 1, respectively receiving signals with different rates from different clients by the service cards with the different rates; step 2, realizing communication control of the service cards with the different rates with the clients with the corresponding rate under the condition that the service cards with the different rates are connected with a control bus. According to the transmission method disclosed by the invention, services with the different rates of 100 M, 1.25 G and 2.5 G are compatible with the subsystem simultaneously, and the service with a rate of 10 G can be further expanded. Therefore, the conventional equipment is used to the greatest extent, the entire cost is lower, the smooth transfer between a novel system and a traditional system is realized, and the transmission method has the advantages of flexible system configuration capability and logic control function.

The invention discloses a pendulum type all-purpose flour mill. The pendulum type all-purpose flour mill comprises a flour mill host machine and a grader. The grader is mounted on the upper portion ofthe flour mill host machine. The flour mill host machine comprises a barrel, a central rotary spindle and a grinding roller device. The barrel is mounted on a base and is internally provided with a flour milling chamber. The central rotary spindle is arranged in the center of the flour milling chamber and the base in a penetrating mode. The lower end of the central rotary spindle extends out of the base and is connected with a power mechanism. A plum-blossom-shaped rack is mounted at the upper end of the central rotary spindle. A shovel blade rack is mounted at the lower middle end of the central rotary spindle. Two or more cross arm shafts are uniformly distributed on the plum-blossom-shaped rack. A shovel blade rack lower seat is mounted on the shovel blade rack. A shovel blade is mounted on the shovel blade rack lower seat. The upper end of the grinding roller device is mounted on the plum-blossom-shaped rack through the cross arm shafts. The barrel is of a double-layer structure.An air duct is formed between an inner barrel body and an outer barrel body. The pendulum type all-purpose flour mill is high in milling efficiency, low in unit energy consumption, stable in whole machine performance, long in service life and wide in processing particle size range.

The invention relates to a device for rectifying and producing high-purity ethylene using an ethylene heat pump, and a high-purity ethylene production technology. The device comprises a feed solution tank and a product tank. The feed solution tank is connected to a second gas-liquid separator through a first feed solution inlet of a first rectifying tower, a gas phase outlet of the first rectifying tower, a first feed gas inlet of a first heat exchanger, a first feed gas outlet of the first heat exchanger, an inlet of a first gas-liquid separator, a liquid phase outlet of the first gas-liquid separator, a second feed solution inlet of the first rectifying tower, a liquid phase outlet of the first rectifying tower, a first feed solution inlet of a second rectifying tower, a gas phase outlet of the second rectifying tower, a second feed gas inlet of the first heat exchanger, and a second feed gas outlet of the first heat exchanger, and the liquid phase outlet of the second gas-liquid separator is connected to the second feed solution inlet of the second rectifying tower and the product tank. The device has the advantages of simple technological process, stable operation, low energy consumption, safe and reliable operation, low unit power consumption, low production cost and high product purity.

The invention discloses a stone recrushing process. The stone recrushing process comprises the following process flows: performing treatment by a stone cabin, an electric vibrator, crushing of a jaw type crusher, a belt conveyor 1, crushing of an impact crusher, a belt conveyor 2, and a gyratory screen on a raw material in sequence, conveying a fine material to a limestone warehouse through a belt conveyer 3; conveying a rough material screened by the gyratory screen to the impact crusher through a belt conveyer 4 for recrushing, and then conveying the recrushed material to the limestone warehouse through the belt conveyor 2, the gyratory screen and the belt conveyors so as to complete the stone treatment; machine-hour yield of a grinder is increased by 20% to 30%, the production cost is reduced, and the economic benefit is increased.

The invention discloses a production method for smelting ferrosilicon by utilizing crystalline silicon cutting waste powder. The production method is characterized in that the crystalline silicon cutting waste powder can be directly molten into a ferrosilicon component under a high-temperature melting state by utilizing the matter characteristic that the high-purity simple substance silicon in the crystalline silicon cutting waste powder is a silicon component in ferrosilicon; unit power consumption and coke consumption of smelting the ferrosilicon can be greatly reduced by reducing silicon dioxide in silica raw materials through strong reduction characteristic of silicon carbide and releasing a great deal of reaction heat; equipment investment is not required to be increased, so that in case of current equipment, crystalline silicon cutting waste powder (namely powder tailings) can be recycled on a large scale for being added into furnace burden for smelting production of a ferrosilicon product, and therefore, a silicon resource raw material treasury with high energy storage property and strong reducing property is developed for producing and smelting the ferrosilicon product in the metallurgical industry, the environmental pollution problem caused by stocking and stacking the cutting waste powder for a long time in the crystalline silicon slicing industry can be effectively solved, and remarkable social environment-friendly effect and great economic benefits are achieved.

The invention relates to a treatment method of electrolytic manganese metal waste residues. The treatment method comprises the following steps: A, grinding gypsum or drying calcined gypsum and then grinding to obtain gypsum powder; B, slurrying the electrolytic manganese metal waste residues, leaching, and adding the gypsum powder; adjusting the pH of a solution to 6.0-6.4, removing iron, carryingout filter pressing to obtain a filter pressing block A and a filter pressing solution A, washing the filter pressing block A with water, and then carrying out filter pressing to obtain a filter pressing block B and a filter pressing solution B; adjusting the pH of the filter pressing solution A to 11.5-12, and carrying out filter pressing to obtain a filter pressing block C and a filter pressingsolution C; C, adding silicon dioxide, calcium oxide, aluminum oxide and iron oxide into the filter pressing block B, drying, pre-decomposing, and calcining to obtain cement clinker; D, slurrying thefilter pressing block C, leaching, adjusting the pH to 6.0-6.4, removing impurities, standing, and carrying out filter pressing to obtain a filter pressing block D and a filter pressing solution D, adding ammonia water into the filter pressing solution D to adjust the pH to 8.8-9, and continuously adding an ammonia water solution to adjust the pH to 11.4-11.8. The method realizes recycling of resources.