57results about How to "Suitable for practical production applications" patented technology

The invention discloses an on-line dry-process glass wool vacuum insulation board core material production system, which includes a melting furnace, a centrifuge, a cotton collector and a hot-pressing setting device. The hot-press setting device adopts the upper and lower chain plates to form a pressing gap, and the glass wool is pressed in the pressing gap, and can be continuously hot-pressed during the transmission process. The present invention also provides a production method based on the above production system. Compared with the prior art, the invention realizes on-line continuous production, has high production efficiency, and the prepared glass wool core material has stable structure and good heat insulation effect.

The invention discloses a method for preparing biomass straw biogas and adopted devices thereof. The method comprises the following steps: (1) carrying out pretreatment on materials; (2) carrying out fermentation on the materials produced by the step 1; (3) carrying out dehydration treatment on primary gas; and (4) sending the gas produced by the step (3) to a gas holder. The preparation devices comprise an agitating tank (1), a feeding mechanism (4), a straw anaerobic tank (2) and the gas holder (3), wherein the inlet of the feeding mechanism (4) is connected with the cavity of the agitating tank (1); the outlet of the feeding mechanism (4) is connected with the cavity of the straw anaerobic tank (2); a gas-liquid separator (5) is arranged between the straw anaerobic tank (2) and the gas holder (3); the gas outlet of the straw anaerobic tank (2) is communicated with the gas inlet of the gas-liquid separator (5); and the gas outlet of the gas-liquid separator (5) is communicated with the gas inlet of the gas holder (3). The method has the advantages of wide raw material source, high calorific value, good safety and convenient production management and control.

The invention discloses an online dry-process production system of a glass wool vacuum insulation board core material, the online dry-process production system comprises a smelting furnace, a centrifuge, a cotton collecting machine, a heating furnace and a shaping device. The shaping device adopts upper and lower chain plates to cooperate to form a pressing gap. A glass wool layer heated by the heating furnace at high temperature is pressed in the pressing gap, and can be continuously hot-pressed in the process of transmission. The present invention also provides a production method based on the above production system. Compared with the prior art, online continuous production is realized, production efficiency is high, equipment cost is low, and the obtained glass wool core material has stable structure and good insulation effect.

The invention discloses a glass-based chip rewiring packaging structure, comprising a glass substrate, a chip provided with a first bonding pad, a filling layer, a metal rewiring layer, a passivationlayer and a second bonding pad, wherein a through hole penetrating through upper and lower parts is formed in the glass substrate, the chip is disposed in the through hole, and the first bonding pad faces upward; the filling layer is filled in an arrangement gap of the through hole and the chip, extends to cover the glass substrate and an upper surface of the chip, and is open corresponding to thearea of the first bonding pad; the metal rewiring layer is disposed on the filling layer and is connected with the first bonding pad; the passivation layer is disposed on the metal rewiring layer andis provided with an opening; and the second bonding pad is disposed on the passivation layer and is connected with the metal rewiring layer. The invention also discloses a manufacturing method thereof. The chip rewiring structure disclosed by the invention is compact, ultra-thin packaging can be realized, meanwhile glass is used as the main material, thereby being more suitable for high-frequency devices and realizing better electric performance. Complicated processes of temporary bonding and debonding are avoided in the process, the reliability is excellent, and the cost is lower.

The invention relates to a multi-chip fan-out packaging structure with a cavity and a manufacturing method of the multi-chip fan-out packaging structure. The multi-chip fan-out packaging structure comprises at least two chips, and the first surface of each chip is provided with a bonding pad and a functional region. The multi-chip fan-out packaging structure also comprises a first carrier, a second carrier, a filling layer, a metal rewiring layer, a first insulating layer, a second insulating layer and a signal port. The first carrier is connected to the first surface of the second carrier andis provided with a through hole; the chip is located in the through hole, and the second surface of the chip is connected to the first surface of the first carrier; the filling layer covers the firstcarrier and the first surface of the chip and is provided with a first opening; the first insulating layer covers the surface of the filling layer, so that the cavity is formed in the functional area, and a second opening is formed in the bonding pad; the metal rewiring layer is positioned on the upper surface of the first insulating layer and is electrically connected with the bonding pad; the second insulating layer covers the surfaces of the first insulating layer and the metal rewiring layer and is provided with a third opening; and the signal port is located at the third opening and is electrically connected with the metal rewiring layer. The structure can improve the packaging reliability, is small in size, and reduces the cost.

The invention discloses an extraction method of peony seed oil. Stir-fried peony seed powder is added to a salt solution of anhydrous sodium carbonate and sodium chloride, the mixture is slightly alkaline through pH adjustment after even mixing, alkaline protease is added for an enzymatic reaction, and upper-layer clear oil is obtained after centrifugation of an enzymatic hydrolysate. Sodium carbonate and sodium chloride are added to a water-enzyme reaction system of the alkaline protease, the salt effect produced under the combined action of the sodium carbonate and sodium chloride effectively inhibits formation of an emulsion layer, release of more oil is promoted, the oil yield of peony seed oil is increased, the stability of the oil quality is improved, the oil yield is 23% or above, refinement is realized during extraction, the acid value conforms to the national standard of edible vegetable oil quality, and the method is high in practicability.

The invention discloses a high-quality silicon carbide epitaxial growth technology. A plurality of silicon carbide buffer layers are sequentially homogeneously grown on a silicon carbide substrate bya chemical vapor deposition process, and a silicon carbide epitaxial layer is grown on the uppermost buffer layer, wherein the growth rate of all the buffer layers increases stepwise from bottom to top, and the growth rate of the top buffer layer is not higher than the growth rate of the epitaxial layer. Multiple buffer layers are formed through the stepped control of the growth rate, and a plurality of interfaces formed by the brief growth interruption among the buffer layers sequentially reduce the propagation of defects, so the extended propagation of the defects of the substrate to the epitaxial layer is blocked, the number of the defects in the epitaxial layer is reduced, the epitaxial quality is improved, and the characteristics and the yield of functional devices manufactured basedon above obtained epitaxial wafers are improved.

The invention discloses an online dry method glass wool vacuum insulated panel core material production system. The system comprises a smelting furnace, a centrifuge, a wool collector and a hot-press shaping device. According to the hot-press shaping device, an upper chain plate and a lower chain plate are matched to form a press-fit interval, glass wool is pressed in the press-fit interval, and continuous hot-pressing can be carried out in the transmission process. The invention further provides a production method based on the production system. Compared with the prior art, online continuous production is achieved, production efficiency is high, and a manufactured glass wool core material is simple in structure and good in heat insulating effect.

The invention relates to the field of sewage treatment, and discloses a magnetic treatment agent for sewage. The treatment agent is composed of the following components in parts by weight: 30-50 partsof ferroferric oxide nano magnetic particles, 30-50 parts of a polyethylene glycol chitosan graft, 1-5 parts of a Bi2MoO6 catalyst, and 10-25 parts of a dispersant, wherein the polyethylene glycol chitosan graft covers the surfaces of the ferroferric oxide nano magnetic particles, the Bi2MoO6 catalyst is supported on the polyethylene glycol chitosan graft, and the graft molar ratio of polyethylene glycol to chitosan is 1:1. The treatment agent for the sewage provided by the invention can degrade pollutants in a water body only by using sunlight, the utilization rate of solar energy is high, the activity is strong, the content of the pollutants in the water body can be effectively reduced, and the treatment agent has magnetism, is easy to recycle after being used, has good water solubility, strong adsorption capacity and a simple process, can be repeatedly utilized, reduces the costs, and is suitable for practical production application.

The invention discloses a water tank water cooling system for a permanent magnet synchronous draining pump, which comprises a closed water tank, wherein the closed water tank is a tank body designed according to the outer profile of the stator iron core of a permanent magnet synchronous water pump and has an accommodating cavity capable of accommodating the stator iron core; and a heat-conductingwall is formed on the stator iron core contacting part of the accommodating cavity, and the heat-conducting wall is made of metal material with high heat conductivity. The invention also discloses the permanent magnet synchronous water pump using the water tank water cooling system. In the invention, by arranging the independent water tank water cooling system in a pump body, the cooling liquid in a water cooling system and fluid pumped by the water pump are independent of each other, so that the impurities and scale in the pumped fluid are prevented from polluting the pump body and outside water of the machine. The box body is independently designed, can be detached and separated from the pump body, is convenient to clean and maintain, and can be matched with the water pump of the same model.

The invention discloses a structure for reducing the b-c junction capacitance of a heterojunction bipolar transistor and a manufacturing method thereof, and the method comprises the steps: firstly coating a chip structure with a first light resistor, exposing and developing the first light resistor to form a first window, then coating a second light resistor, and forming a second window; after the line width of the first window is reduced through a miniature and backflow process, etching the passivation layer in the first window to form a first opening, after the photoresist is removed, coating the passivation layer with a third photoresist, performing exposure and development to form a second window located on the first opening, wherein the line width of the second window is larger than that of the first opening; and depositing metal in the second window and the first opening to form base metal, and removing light resistance. The base metal structure with the bottom line width smaller than the top line width is formed, the b-c junction area is reduced under the condition that the base resistance is not increased, the effect of reducing the b-c junction capacitance is achieved, and therefore the highest oscillation frequency is improved.

The present invention disclosed a structure and production method of reducing heterogeneous knot double -pole transistors B‑c knot capacitance. When making the base metal, first painting the first light barrier on the chip structureThe window, then coat the second light barrier, reduce the line width of the first window through the slightly shrinking and backflow process, etch the passivation layer in the first window to form the first opening, remove the third light obstruction and expose after removing the light resistance, and expose it.The second window formed on the first opening, and the line width of the second window is larger than that of the first opening, and then the deposit fund belongs to the second window and the base metal is formed in the first opening to remove the light resistance.The present invention has formed a base metal structure with width less than the top line. Without increasing the base resistance, the B -C edging area is reduced to reduce the effect of reducing the BAC connection capacitance, thereby improving the maximum oscillationfrequency.

The invention discloses a hollow fiber oxygen-dissolving membrane, whose components include a polymer, an oxygen-dissolving agent, an oxygen-transfer agent, etc., and is prepared by a heat-induced phase method or a solution phase transfer method. The invention also discloses an aeration component, which includes the membrane filament made of the aforementioned hollow fiber oxygen-dissolving membrane and at least one gas pipe. It enters the inner cavity of the membrane filament and diffuses into the water through its micropores. The hollow fiber oxygen-dissolving membrane of the present invention reduces the resistance of a dense water film formed by aerated air bubbles in water, promotes gas-liquid oxygen transfer, accelerates the speed of oxygen dissolved in water, has high oxygen utilization rate and low energy consumption.

The invention discloses a transistor based on an enhanced grid structure. The transistor comprises a substrate, a buffer layer, a GaN (gallium nitride) layer, a barrier layer, a source electrode, a drain electrode and a grid electrode, wherein the substrate, the buffer layer, the GaN layer and the barrier layer are sequentially stacked from bottom to top, the source electrode is arranged on an aluminum gallium nitride layer, the grid electrode is positioned between the source electrode and the drain electrode, and the barrier layer is AlGaN or InAlGaN, and the grid electrode is p-type Al1-xGaxN (0<=x<=1) or p-type In1-y-zGayAlzN (0<=y<=1; 0<=z<=1). A DLC (Diamond-like carbon) layer is arranged on the grid electrode, and the content of sp2 keys of DLC is higher than 50%. According to the transistor, enhanced operation is realized, the self-heating effect of a transistor device can be reduced by diamond-like carbon, and stability is improved. The invention further provides a preparation method of the transistor.

The invention discloses hot-water-dissolution type hot melt adhesive. The hot-water-dissolution type hot melt adhesive comprises 20-65% of polyvinyl alcohol, 20-50% of matrix resin, 3-25% of tackifying resin, 10-50% of plasticizer, 0-10% of filler and 2-5% of functional auxiliaries. The hot melt adhesive has the advantages that the hot melt adhesive is solid under normal temperature, the hot melt adhesive can have the adhesive ability when being heated to a softening point, the hot melt adhesive is resistant to normal-temperature water and can be dissolved and removed in high-temperature water of 60-95 DEG C, and the hot melt adhesive is special in performance and widely applicable. The invention further discloses a shielding structure manufactured by the hot-water-dissolution type hot melt adhesive and electrophoresis process using the shielding structure. Compared with traditional shielding ink, the shielding structure has the advantages that the shielding structure is easy in removing method, strong base or other corrosive substances are not needed, and influence on a paint film structure is avoided; various patterns can be formed according to needs, and simpleness in manufacturing process is achieved.