71results about How to "Improve cost competitiveness" patented technology

The invention provides a low-noise electric reactor, soft magnetic compound for the low-noise electric reactor and a core capable of improving hardness of an insulation layer of soft magnetic powder and effectively preventing noise. The soft magnetic powder is mixed with condensed phosphoric acid metal compounds with 0.25 wt% to 2.0 wt%, so a wrapped layer made from the condensed phosphoric acid metal compounds is formed on the periphery of the soft magnetic powder; and preferentially, condensed aluminum phosphate, especially trimerization aluminum phosphate is chosen.

Disclosed is a method for preparing magnesium and ferro-silicon using ferro-nickel slag which is a by-product of a process for manufacturing ferro-nickel. The present invention provides a method for preparing magnesium from ferro-nickel slag, comprising the steps of: mixing a first material comprising ferro-nickel slang, ferro-silicon slag, ferro-silicon and a magnesium reduction catalyst; evaporating the mixed first material in a vacuum atmosphere of a thermal reduction furnace; and recovering magnesium evaporated in the thermal reduction furnace. In addition, provided is a method for preparing ferro-silicon from magnesium slag which is a by-product of a magnesium preparation for manufacturing a magnesium reducing agent, and preparing magnesium using ferro-silicon slag which is a by-product of a ferro-silicon preparation. According to the present invention, it is possible to resolve environmental problems by reducing energy costs and decreasing carbon monoxide discharge and recycle a resource discarded as a by-product of a process for preparing magnesium and ferro-silicon.

The invention provides a manufacturing method for medium chrome ferrite stainless steel. The method consists of the processes of: smelting, continuous casting, hot rolling, coiling, acid pickling, cold rolling, cold coiling annealing and pickling. In the hot rolling process, subjecting a hot rolled black coil to hot rolling at a finishing rolling temperature of 860-1000DEG C, and conducting coiling at 750-850DEG C; after coiling, subjecting the hot coil to heat preservation in a heat preservation pit directly, controlling the temperature of the hot coil sent into the heat preservation pit greater than 750DEG C, slowly cooling a steel coil at a cooling speed of less than 20DEG C/h, taking the steel coil out of the pit when the temperature of the steel coil is lower than 200DEG C, and performing air cooling to room temperature; subjecting the hot rolled black coil to acid pickling directly on a continuous acid pickling line, and removing the surface oxide scale; after acid pickling, conducting cold rolling on the steel coil; carrying out recrystallization and continuous annealing on cold-rolled strip steel; and performing acid pickling to remove the surface oxide scale, and at the same time conducting passivation treatment on the strip steel. The method provided by the invention omits the process of hot coil bell-type furnace annealing, simplifies the process flow, and strengthens the cost competitiveness. Compared with single-stand reversible rolling, cold continuous rolling has the advantages of high production efficiency and low cost.

The invention provides marine LED navigation lights which performs primary restriction on angle of light emitted from an LED through forming a shielding component by LED modules and performs secondary restriction on angle of the light emitted from the LED through forming a locking part at a housing, so that collision between ships can be prevented without breaking through International Regulations for Preventing Collisions at sea. Furthermore the invention provides the marine LED navigation lights which have advantages of high impact resistance, long service life, remarkable power and maintenance cost reduction and cost competitiveness improvement through replacing existing incandescent lamps by LEDs. The marine LED navigation lights provided by the invention comprise the components of: a housing which accepts a main board in the internal space; a plurality of LED modules which are arranged on a main substrate and is provided with a plurality of LEDs for emitting light; and a cover which covers the upper part of the housing, wherein the LED module comprises the following components: a heat radiating board which is internally provided with a central hole; LEDs which are formed outside the heat radiating board and are used for emitting light; and heat radiating fins which are formed in the central hole of the heat radiating board and are used for radiating heat transmitted from the LEDs.

A method of manufacturing iron-based powder includes providing an iron-based molten steel manufactured through a iron making process and a steelmaking process to a tundish; and performing water atomization over the molten steel discharged through a nozzle connected to the tundish. The iron-based powder is manufactured from the molten steel refined after a molten iron tapped from a iron making process is charged into a converter without a pre-treatment process of the molten iron, thus economically providing the highly clean iron-based powder.

A method is provided for transmitting a signal in a signal transmission apparatus of a communication system. Upon receiving a signal, the signal transmission apparatus determines a mode of the received signal, in which a power amplifier should amplify the signal; generates a mode control signal corresponding to a single mode, if the mode of the received signal is determined as the single mode; amplifies and transmits the received signal in the single mode according to the mode control signal; generates a mode control signal corresponding to a multi-mode, if the mode of the received signal is the multi-mode; and amplifies and transmits the received signal in the multi-mode according to the mode control signal.

A fishing reel having a drag assembly. The drag assembly brakes the unwinding rotation of a spool to prevent a fishing line from being excessively rapidly unwound from the spool and thus from being snapped when the fishing line is drawn out by a hooked fish. The drag assembly includes a washer retainer coupled to a drive gear, and a washer group having a brake washer. Therefore, there is no need for the drive gear to have a shape corresponding to the washer group, whereby the manufacturing process can be facilitated, the time it takes to manufacture the fishing reel can be reduced, and the production cost can also be reduced.

The present invention relates to a method for producing white sugar, brown white sugar and dark brown sugar, the method including: pressing and juicing sugar cane to extract sugar cane juice; adding lime to the juice and removing foreign matter and impurities from the juice; vacuum-concentrating the filtered juice in a first vacuum concentrator to produce a first crystal slurry containing sucrose; centrifuging the first crystal slurry in a first high-speed centrifuge into a first crystal and a first mother liquor and recovering the first crystal as dark brown sugar or transferring the first crystal to a second vacuum concentrator; vacuum-concentrating the transferred first crystal in the second vacuum concentrator to produce a second crystal slurry containing sucrose; centrifuging the second crystal slurry in a second high-speed centrifuge into a second crystal and a second mother liquor, transferring the second liquor to the pressing and juicing step, and drying the second crystal to produce brown white sugar, or transferring the second crystal to a third vacuum concentrator; vacuum-concentrating the transferred second crystal in the third vacuum concentrator to produce a third crystal slurry containing sucrose; and centrifuging the third crystal slurry in a third high-speed centrifuge into a third crystal and a third mother liquor, transferring the third mother liquor to the first vacuum concentrator, and drying the third crystal to produce white sugar.

Disclosed are a sintering device and a sintering method using induction heating, wherein a raw ore can be heated by inducing the heating of a highly conductive material included in the raw ore through magnetic inductance of an induction coil. The sintering device using induction heating of the present invention manufactures a sintered ore by inductively heating a raw ore, comprising: an induction case; and a heat inducing body which is mounted in the induction case and induces, through magnetic induction, the heating of the raw ore that is accommodated within the induction case or penetrates the induction case.

The invention provides a readout circuit structure and a working time sequence control method thereof. The readout circuit structure comprises a programmable gain amplifier circuit and an analog-to-digital converter circuit which are arranged in a coupling mode, the programmable gain amplifier circuit comprises a sampling capacitor, a feedback capacitor, an operational amplifier and a reset control switch, and the analog-to-digital converter circuit comprises a comparator and a counter. Wherein one end of the reset control switch is connected with one input end of the operational amplifier, the other end of the reset control switch is connected with the output end of the comparator, the output end of the operational amplifier is connected with one input end of the comparator, and the otherinput end of the comparator is connected with a reference voltage. According to the technical scheme, the readout circuit structure has an offset elimination function, and meanwhile, the use of capacitors and switches can be reduced, so that the area and the power consumption are saved, the time sequence complexity of control signals is reduced, and the overall circuit precision is improved.

The invention discloses a method for reducing process energy consumption of an European smelting furnace, which is characterized in that acid pellets are matched with high-alkalinity sinter, and according to the cost performance and economical efficiency of ore smelting, an ore matching structure suitable for a furnace charge structure of a reduction furnace of the European smelting furnace is obtained as follows: 40% of sinter, 57% of pellets, 3% of raw ore and 97% of clinker rate. Components of the sintered ore are stabilized, the alkalinity of the sintered ore is stabilized to be R = 2.4 times, the content of MgO is 2.4%, and the content of rotary strands is larger than 80%; coal injection is conducted on a vault, the coal injection amount stably reaches about 150 kg/tHM, the material level of the gasification furnace is stabilized, 25 material levels before tapping are stabilized at 50%, 24 material levels after tapping are not smaller than 100%, and low material levels or long-term full material levels are completely eradicated; the coke foam is discharged from a 2500m < 3 > blast furnace, the particle size composition of 5-10mm is 60%, the particle size composition of the slack coal is 5-10mm and is kept above 50%, the moisture of the coke foam is less than 5%, and the moisture of the slack coal is less than 8%; the volatile matter of the slack coal is controlled to be greater than 35%, the gas generation amount is increased, and the fuel consumption is reduced.

The invention relates to an implementation method and device of a cache-free solid state disk, computer equipment and a storage medium. The method comprises the following steps of: performing electrifying and initializing, and creating a cache space for dynamically loading a mapping table in the SRAM; obtaining an HMB space application request sent by the solid state disk; writing all the modulesmarked as dirty in the mapping table in the SRAM into the particles for storage according to the request, and updating the m2p table of the previous level; judging whether the applied HMB space capacity exceeds a preset value or not; if yes, enabling the firmware to execute full mapping, and loading all mapping tables into the cache space; if not, opening up a space in the HMB space to be used formapping table caching. The acceleration of the solid state disk is realized, the DRAM cache of the current mainstream solid state disk is removed, the cost of the solid state disk is reduced, and thecost competitiveness of the product is improved.

Disclosed are an inductor layout and an integrated circuit device with improved isolation between inductors through shielding magnetic coupling between the inductors. first and second inductor coils are horizontally spaced apart from each other. A conductor loop is disposed in parallel above the first inductor coil and shields magnetic coupling between the first and second inductor coils in the manner that a part of magnetic flux of a first time-varying magnetic field generated by the second inductor coil is cancelled by magnetic flux of a second magnetic field generated by an induction current that flows in the conductor loop magnetically interlinked with the first time-varying magnetic field. The inductor layout can be applied to an RFIC device to reduce magnetic coupling between inductors of a power amplifier and an oscillator. Improved performance of the device and a very small RFIC can be achieved.

Provided is a redox flow battery stack comprising: an ion-exchange membrane (1000); two flow frames (2000A, 2000B) disposed on both sides of the ion-exchange membrane (1000), respectively; two bipolar plates (4000A, 4000B) disposed outside the flow frames (2000A, 2000B), respectively; and electrodes disposed in cavities inside outer frames of the flow frames (2000A, 2000B), respectively, in which at least two electrodes are disposed in the flow frames, respectively, and at least three furrows in which the electrolyte flows are formed between electrodes or between the electrode and the outer frame in the flow frame.