摘要:
A methane production system includes: a raw material gas supply part configured to store and supply a raw material gas; a catalyst supply part configured to store and supply a catalyst; a methanation reaction part connected to the raw material gas supply part and the catalyst supply part and configured to generate a reaction gas by performing a methanation reaction using the raw material gas and the catalyst supplied from the raw material gas supply part and the catalyst supply part; a temperature measurement part connected to the methanation reaction part and configured to measure a temperature of the methanation reaction part; a temperature maintaining part connected to the raw material gas supply part; and a raw material gas injection part connected to the raw material gas supply part to receive the raw material gas from the raw material gas supply part.
摘要:
An exemplary system for controlling electrodeposition coating for electrochemically forming a coating film on a coating object in an electrodeposition tank storing electrodeposition solution includes, a positive electrode configured to apply a positive electrode voltage to a positive electrode disposed in the electrodeposition tank, a negative electrode configured to apply a negative electrode voltage to the coating object transferred by a hanger, and an electrodeposition controller configured to electrochemically deposit the coating film on an external surface and an internal surface of the coating object by applying the positive electrode voltage to the positive electrode and the negative electrode voltage to the negative electrode, where the electrodeposition controller may be configured to control voltage, current, and pulse in multi-stages over time from a dip-in time point to a draw-out time point of the coating object into and from the electrodeposition tank.
摘要:
Disclose is a method for preparing a cathode material for a lithium secondary battery, the method comprising the steps of: preparing an amorphous silicon oxide; using the prepared silicon oxide as a starting material; and milling the amorphous silicon oxide, a lithium silicon oxide and a transition metal silicon oxide at a predetermined ratio, drying the milled material, and heat-treating the dried material in an atmosphere of inert gas, thereby preparing a lithium transition metal silicon oxide.
摘要:
A purification system of exhaust gases in an internal combustion engine is disposed to a reaction furnace capable of reducing noxious components of the exhaust gases in an exhaust pipe of the internal combustion engine in order to purify the exhaust gases. The purification system includes a reactor including a honeycomb carrier having a plurality of carrier cells, on each of which a photocatalyst layer is coated, in the reaction furnace, and a plasma generator having a plurality of electrode cells and mounted on an inner end and an outer end of the honeycomb carrier. The honeycomb carrier includes a photocatalyst layer coated on a wall surface of each of the carrier cells, the photocatalyst layer being activated by a plasma optical source.
摘要:
Evacuation of the volume of a field emission display can be carried out more easily by attaching the auxiliary chamber of various shape to the main space of a field emission display, which enlarge the volume of the field emission display. Several types of auxiliary chambers are attached to the main space of a field emission display and the resultant structures are described. The main purpose of the present invention is to introduce the method of providing the space for placing getters and increasing the conductance of the system to evacuate by enlarging the total volume of the field emission display.
摘要:
A mixing apparatus is used in mixing two fluids, such as two liquids, a liquid and a solid, or a liquid and a gas, within beer fermenter, microorganism culture mediums, waste water disposal plants, and other chemical processes. It is high in efficiency and simple in maintenance and repair. In particular, this apparatus utilizes sound vibration which sends pulses through the apparatus and adds a fluid to the other fluid to be mixed. Therefore, the mixing efficiency level can be raised by using this fluid mixing apparatus.
摘要:
The present invention relates to a cylindrical non-melt and partial melt type entrained flow bed gasifier with one or more burners mounted on the top thereof for supplying pulverized raw coal and oxidizer thereto, wherein each of the burners comprises three or four pipes so as to form a central supplying line for injecting the pulverized coal with a carrier gas into the gasifier, a primary oxidizer annular region around the central supplying line having a plurality of primary oxidizer supplying bores for injecting primary oxidizer vertically or at an angle to the injection region of the pulverized coal supplied through the central supplying line so as to direct the pulverized coal to the central region, and an outer cooling annular region around the primary oxidizer annular region for flowing cooling water, which is operated preferably at a temperature range of 1,250˜1,450° C., or of 1,150˜1,500° C. according to the properties of the coal. According to the present invention, the pulverized coal and oxidizer are properly mixed, and the pulverized coal is directed towards the middle of the gasifier, so that the reaction is completed with the ash being wholly non-melted or partially melted.
摘要:
The present invention relates to a high energy density beam welding system using molten metal droplet jetting. The present invention includes a beam emitting unit for emitting a high energy density beam onto a welded portion on a target object; and a molten metal droplet jetting unit for generating molten metal droplets to transfer or spray the molten metal droplets onto the welded portion on the target object, which follows a path of the beam emitting unit. Thus, it has advantages of widening a range of applications and enhancing the productivity and the quality in that a welding can be performed at a high junction efficiency even where a gap is wide, a loss in the high density energy beam is small, and heat distortions of the welded portion can be minimized.
摘要:
A new concept of gyroscope utilizing self-modulation is introduced in a frame of a solid state ring type laser. The inventive solid state ring laser system includes a base, a laser pumping source, an active medium, a focussing unit, a detector, a magnet and a cover, wherein the magnet having an appropriate magnetic field strength to distinguish the direction of rotation and to increase the sensitivity. In the inventive gyroscope, a direct sensing of rotation is made by measuring the self-modulation frequency without complex signal processing by using a frequency counter.
摘要:
A method and device of correcting a welding path of an automatic welding apparatus are disclosed. In order to prevent the deviation of a welding torch from the predetermined welding path due to deformation of structure, a position correction amount is used. The position correction amount is determined by setting a mean welding current for the up-down direction position correction, which is determined by averaging the welding current, and by setting a weight value for the left-right direction position correction, in which the weight value is determined by multiplying the welding current by a weight factor, thereby a welding torch follows the predetermined welding path precisely.