30results about How to "Quick degassing" patented technology

The invention relates to a method for the production of a fiber reinforced sandwich component (10) having a honeycomb core (12), the honeycombs of which are closed on both sides. The honeycomb core is closed at least on one side by a cover layer (14) made of fiber material, which is embedded in matrix material. The method comprises the following steps: —Producing a fabric comprising the honeycomb core and at least on one side of the honeycomb core, disposed from the inside to the outside, a curable adhesive layer (20), a barrier layer (16) and a fiber layer (14); —Locking the fabric on a one-sided molding tool (30) in a gastight chamber, which is formed up by a vacuum foil (48) on the one-sided molding tool; —Creating a vacuum in this gastight chamber, —After creating the vacuum, hardening or partial hardening of the adhesive layer between the honeycomb core and barrier layer in this vacuum such that the honeycomb cells (18) are evacuated at least partially before they are closed off by the barrier layer; —After hardening or partially hardening of the adhesive layer, infusion of the fiber layer in a vacuum with a matrix material; and —Hardening of the matrix material in a vacuum.

The utility model discloses a flexible thin film lithium ion battery and a manufacturing method thereof. The flexible thin film lithium ion battery is composed of a positive layer, a diaphragm, a negative layer and an external packing layer; the positive layer is composed of aluminum foil with a thickness of 16-30 microns and a positive material printed on one surface of the aluminum foil by adopting intaglio printing technology; the negative layer is composed of copper foil with a thickness of 10-30 microns and a negative material printed on one surface of the copper foil by adopting the intaglio printing technology; the external packing layer is an aluminum plastic composite film; the positive material of the battery comprises dispersant Hypermer KD-1; and the negative material of the battery comprises conductive agent vapor-grown carbon fiber. The flexible thin film lithium ion battery provided by the invention has the benefits that the safety is high, the thickness consistency is good, and the thickness of the battery can be controlled and lowered to 0.25MM, besides, the flexibility is good, the performance and the shape of the battery can not be affected even though the flexible thin film lithium ion battery is bent for several times.

The invention discloses a semi-solid forming and casting technology of aluminum magnesium alloy pot. The semi-solid smelting of the casting technology adopts the rheological slurry temperature control smelting technology; metal tree crystal is broken up in rheological slurry temperature control smelting by electromagnetic mixing to form spherical crystal, the metal crystalline state as well as the metallic crystal nodularity of the aluminum magnesium alloy pot are improved, so that the aluminum magnesium alloy pot has high strength and high tenacity and is light in weight and firm compared with the traditional cast aluminum magnesium alloy pot; the smelting temperature of semi-solid slurry is low compared with the traditional casting, therefore, not only the energy consumption is greatly saved, but also the service life of casting dies is prolonged; and the aluminum magnesium alloy pot has no bubbles and needle holes on the surface, and the firm part has compact crystal and no casting defects. The technology realizes the semi-solid rheological extrusion forming of the aluminum magnesium alloy pot, and has high production efficiency, therefore, not only the quality of casts and the utilization ratio of materials are improved, but also the surface quality of the product is improved and the interior quality is equivalent to forging products; and the invention is suitable for scale production and has great popularization and application value.

The invention discloses a high-efficiency energy-saving cured carbon felt, and a preparation method thereof. The high-efficiency energy-saving cured carbon felt is prepared from, by weight, 650 to 720parts of soft felt, 30 to 40 parts of a dilluent, 50 to 100 parts of a curing agent, 200 to 300 parts of a resin, and 25 to 35 parts of an inorganic filing material. The preparation method comprisesfollowing steps: 1, felt cutting; 2, rubber preparation; 3, rubber coating; 4, manufacturing and moulding; 5, high temperature oven drying; 6, machining; 7, coating; 8 high temperature calcining; and9, detection. The high-efficiency energy-saving cured carbon felt is low in thermal conductivity, excellent in thermal insulation performance, uniform in density, low in heat storage capacity, quick in degassing, low in outgassing amount in vacuum, possesses heat impact resistance; product pollution or hearth pollution is not caused; furnace body effective space is enlarged; installation and maintenance are convenient; thermal insulation requirements of various monocrystalline growth furnaces and polysilicon ingot furnaces are satisfied. The preparation method is simple, is suitable for largescale industrialized production, and is promising in application prospect.

A disclosed device for separating krypton and xenon in a rock sample comprises a cylinder and an upper cover, the cylinder internally comprises a liquid nitrogen layer and a heat conduction agent layer, the liquid nitrogen layer sleeves the heat conduction agent layer, a cavity between the outer wall of the liquid nitrogen layer and the cylinder can be vacuumized, and an inner cavity of the liquid nitrogen layer can accommodate liquid nitrogen; a cold finger is arranged in an inner cavity of the heat conduction agent layer, a heat conduction agent can be contained between the inner wall of the heat conduction agent layer and the cold finger, the cold finger is connected with a heating element, a temperature measuring element and an experiment cavity, an inner cavity of the cold finger is communicated with the experiment cavity, and the experiment cavity can be communicated with external mixed gas. The invention further provides a method for separating krypton and xenon in the rock sample, the method is used in the pretreatment process of mass spectrometry of inert gas samples, operation is easy and convenient, rare gas can be separated in a high-quality and high-efficiency mode, the experiment time is shortened, the background is reduced, and meanwhile the purity of the rare gas is improved.

The invention relates to a liquid fermentation culture medium online degassing apparatus, which comprises a tank body, wherein the tank body is provided with a material inlet and a material outlet, a liquid level sensor is arranged on the middle portion of the inner wall of the tank body, a spiral flow guiding plate is arranged along the inner wall of the tank body, the liquid level sensor is connected to an electromagnetic valve arranged on the material inlet, the upper liquid level line detecting position of the liquid level sensor is on the middle-upper portion of the flow guiding plate, the lower liquid level line detecting position is on the end of the flow guiding plate, the material inlet is connected to a variable diameter flow guiding pipe having a diameter of larger than a material liquid port, the material liquid flowing out of the variable diameter flow guiding pipe flows along the flow guiding plate, and the top portion of the tank body is provided with a gas discharge port for discharging the gas in the tank body, and a pressure gauge. According to the present invention, with the liquid fermentation culture medium online degassing apparatus, the liquid fermentation culture medium can be degassed before entering the liquid filter, such that the normal filtration of the material liquid filter filtering core is ensured so as to substantially improve the filtration efficiency and the filtration flux of the filtering core.

The invention relates to a hydraulic device for degassing and dewatering a hydraulic oil, comprising a pressure source from which a liquid to be degassed flows via a throttle point. The invention is characterized in that the quantity of liquid flowing via the throttle point and the flow cross-section of the throttle point are matched such that a cavitation or super cavitation zone is formed downstream of the throttle point, and a device is provided by means of which any kind of air can be introduced into the hydraulic oil from the outside.

A three-stage tubular T-shaped degassing device with microbubble axial flow and spiral flow fields is provided, which is applied to quick degassing of a gas-liquid two-phase flow. The three-stage tubular T-shaped degassing device adopts a quick degassing technology combining a microbubble uniform mixed rotational axial flow field and a spiral runner conical spiral flow field with layered jet collision reversing depth degassing. A microbubble uniform mixer is configured to adjust gas-liquid two-phase flow containing big bubbles into microbubble uniform mixed axial flow. A microbubble cyclone is configured to adjust the microbubble uniform mixed axial flow into multiple strands of rotational axial flows containing microbubbles. A rotational axial flow degasser implements the horizontal type microbubble uniform mixed multiple strands rotational axial flow degassing operation to remove most microbubbles to form axial flow gas and axial flow liquid.

The invention relates to the field of vacuum treatment of molten iron alloys, in particular to a hood-shaped circulating flow vacuum degassing device. The hood-shaped circulating flow vacuum degassingdevice comprises a steel ladle trolley (1) and a steel ladle (2), and is characterized by further comprising a bottom blowing argon valve station (3), an insertion hood (4), a vacuum degassing tank (5), an alloy material charging device (6), a top blowing oxygen gun (7), a hot bending pipe (8) and a dry-type mechanical vacuum pump exhaust device (9); the vacuum degassing tank (5) is arranged overan opening of the steel ladle (2); the bottom of the vacuum degassing tank (5) is connected with the top of the insertion hood (4); the bottom of the insertion hood (4) is provided with a deslaggingtank (41). An application method of the hood-shaped circulating flow vacuum degassing device is characterized by comprising the following steps of a, deslagging and b, steel making. The hood-shaped circulating flow vacuum degassing device and the application method thereof have the advantages of rapid degassing, inclusion removal, high adaptability, high efficiency and low consumption.

The invention discloses a modularized transformer oil chromatography degassing device which comprises a base, a controller, a storage mechanism, a top cover and an oil filter, wherein the controller, the storage mechanism and the oil filter are all mounted at the top end of the base, and the top cover is placed at the top end of the storage mechanism; a clamping mechanism which can be assembled at the bottom end of the driving mechanism; the storage mechanism comprises an oil barrel which is installed at the top end of the base, and the top cover is placed at the top end of the oil barrel. According to the modularized transformer oil chromatography degassing device, in actual use, the occupied area can be saved while the degassing time is guaranteed to be saved, meanwhile, the first through hole can be closed or opened at any time, transformer oil sucked away by the oil filter is prevented from flowing back, or impurities such as cleaning fluid are prevented from flowing into the oil filter, and the inner wall of the oil drum can be easily and conveniently cleaned.