44results about How to "Suppress escape" patented technology

The invention provides a triarylamine compound and an organic electroluminescent device thereof, and relates to the technical field of organic photoelectric materials. According to the invention, a substituted or unsubstituted 9-phenyl-fluorene group and a triarylamine group containing benzoxazole/benzothiazole/benzimidazole/benzotriazole undergoes a reaction to obtain the triarylamine compound by9-position (tertiary C) connection of fluorene. The triarylamine compound has a good hole transport capability, is high in glass transition temperature, good in thermal stability, good in film-forming property, high in refractive index and simple to synthesize, can be applied to an organic electroluminescent device to serve as a hole transport layer and/or a covering layer, can effectively solvethe problems of low luminous efficiency and short service life of the organic electroluminescent device, and has the advantages of high luminous efficiency and long service life.

The invention belongs to the technical field of crystal growth, and particularly relates to a growing method for inhibiting a defect of a carbon inclusion in a silicon carbide single crystal. The method provided by the invention comprises growth at two stages; different pressures are controlled to inhibit volatilization and dissipation of a silicon component, so that the formation of the inclusion is reduced or even eliminated. According to the growing method provided by the invention, the inhibition of the formation of the carbon inclusion can be realized through adjusting a simple growing process without the need for adding foreign matters in a growing raw material, and the growing method is easy to implement and lower in cost.

The invention provides an indirect thermal desorption restoration system and method for treating mercury-containing solid waste and soil. The system comprises a feeding unit, a thermal desorption unit, a high-temperature dust removal unit, a tail gas treatment unit, a technological water treatment unit and a discharging unit; the thermal desorption unit is separately connected with the feeding unit, the high-temperature dust removal unit and the discharging unit, the high-temperature dust removal unit is connected with the tail gas treatment unit and the discharging unit, and the technologicalwater treatment unit is connected with the tail gas treatment unit. The system is high in treatment capability, high in mercury and mercury compound removal rate, and convenient to transport and install; and moreover, the system can flexibly control the thermal desorption temperature and retention time of the mercury-containing material, sufficiently utilizes the system waste heat and the up-to-standard water after being treated, can efficiently and economically restore the mercury polluted material, can maximally recovery the mercury element, and can realize the purpose of recycling the waste water after reaching the standard and discharging the tail gas up to standard.

The invention relates to a coring and desorption measurement system, and belongs to the field of coal bed gas and methane gas measurement, in particular to a coal bed gas and methane gas coring and desorption measurement system and a coal bed gas and methane gas coring and desorption measurement method. The system comprises a desorption and coring integration device, a coal core positioner and a linkage shearing shut-off mechanism, wherein a desorption ball valve and a shearing ball valve are respectively arranged at the two ends of the desorption and coring integration device and are used for sample coring and gas desorption; the coal core positioner is positioned in a coring drill bit, is communicated with the desorption and coring integration device through the shearing ball valve and is used for introducing a coal sample into the desorption and coring integration device; the linkage shearing shut-off mechanism is connected with the desorption ball valve and the shearing ball valve respectively and is used for simultaneously opening or closing the desorption ball valve and the shearing ball valve. Therefore the coal bed gas and methane gas coring and desorption measurement system has the following advantages that the sealing property, the operability and the safety are greatly improved, the measurement of the coal bed gas content (the methane gas content) is more accurate, and the gas content measurement precision is improved.

The invention discloses a water box device for a washing machine to limit, guide and adjust the path of water flow. The device comprises a water box, a washing solution box and a water-splitting plate, wherein the washing solution box having a drawer-type pull-push structure is arranged in the water box; the water-splitting plate is arranged in the upper space of the washing solution box in the water box, a guiding structure of the water-splitting plate, which is capable of limiting the direction of water flow and adjusting the path of water flow, is arranged on the water-splitting plate; thewater-splitting plate comprises a large water-splitting plate and a small water-splitting plate; a separating rib is arranged between the large water-splitting plate and the small water-splitting plate; the guiding structure of the water-splitting plate is arranged on the large water-splitting plate and composed of at least one guide plate fixed on the water-splitting plate; a water-guiding channel is formed between the water-splitting plates and/or between the water-splitting plates and the inner wall of the water box; and a guide notch capable of guiding the outlet water is formed at the bottom of the lateral wall of the washing solution box. The water box device of the invention can effectively control the path of inlet water and outlet water of the washing machine, and prevent the inlet water from leaking from the water box; and the water box device has the advantages of simple structure and convenient installation and application.

The invention discloses a coal mine fully-mechanized excavation face short-distance comprehensive dedusting method. A dedusting fan is arranged on the fully-mechanized excavation face, and an air draft port of the dedusting fan is a horn mouth type air draft port. A multi-step wall-adhering air duct connected onto a forced draught fan air duct is arranged at the position within a 20meter distance from the fully-mechanized excavation face. One to two dust collecting nets covering the full face are arranged at the position of mobile belt conveyer tail of a fully-mechanized excavation machine, and automatic flushing water curtains are arranged on the dust collecting nets. A bearing trolley of the dedusting fan is connected with the mobile belt conveyer tail end of the fully-mechanized excavation machine. The dedusting fan is in linkage with the fully-mechanized excavation machine. Air pressures of three hard air duct sections are identical by adjusting distances between three hard air duct sections and a cambered surface air blocking round plate, accordingly two sides of the face backward form three directional air walls, and air flows carried with dust is completely flow into the dedusting fan. By adopting the coal mine fully-mechanized excavation face short-distance comprehensive dedusting method, the dust concentration of an operation place is reduced, the coal-dust explosion danger and dust phthisis morbidity are reduced, and safety production of a coal mine is ensured.

This power module substrate with a heat sink is provided with a power module substrate having a circuit layer disposed on one surface of an insulating layer, and a heat sink joined to the other surface of the power module substrate. The joining surface of the heat sink and the joining surface of the power module substrate are each composed of aluminum or an aluminum alloy. A joining layer (50), obtained by dispersing a magnesium-containing compound (52) (excluding magnesium oxide) containing magnesium in an aluminum-silicon eutectic structure, is formed on the joining surfaces of the heat sink and the power module substrate, and the thickness (t) of the joining layer (50) is set within a range of 5 mum to 80 mum.

The invention discloses a thickness-controllable high-performance graphene film and a preparation method thereof. The preparation method comprises the following steps: uniformly compounding graphene and a polymer by adopting a centrifugal spraying technology to construct a submicron graphene film, assembling the submicron graphene film serving as a structural unit and an adhesive layer by layer, and finally obtaining the graphene composite film with controllable thickness after high-temperature sintering. According to the invention, a multi-stage gas dissipation channel is constructed by utilizing different gas dissipation behaviors of various polymers, so that formation of micro-airbags in a traditional graphene film is avoided, and delamination structures are reduced. In addition, graphene can induce the polymer to form graphene; the polymer can promote AB stacking of graphene, and the polymer and the AB have a synergistic effect to jointly form a high-crystallinity graphene film. The material has excellent thermal conductivity, electrical conductivity and thermal stability, and can be applied to thermal homogenization of aerospace vehicles. In addition, the cost of the graphitizable polymer is far lower than that of graphene, so that the production cost for preparing the composite graphite film is greatly reduced.

The present invention provides an electronic component joint. The electronic component joint includes a glass tool portion (51) having a heating electrode portion (512) for heating the electronic component (8); and a cooling module portion (52) for cooling the glass tool portion. The glass tool portion has a first glass portion (513) for holding one side of the electronic component with respect to the heating electrode portion, and a second glass portion (511) for holding arrangement on the opposite side of the side of the electronic component with respect to the heating electrode portion and connected to the cooling module portion. The thickness T1 of the first glass portion is 0.2 to 2 mm, and the thickness T2 of the second glass portion is 1.2 to 25 times the thickness of the first glass portion. By reducing the thermal expansion fluctuation in the process of rapid heating and rapid cooling, it is possible to reduce the size and increase the productivity remarkably.

The invention relates to an oven with a door closed in an air pressure manner. The oven with the door closed in the air pressure manner comprises an oven body, a door body and a handle; a locking tooth is arranged on the door body, a locking groove which is matched with the locking tooth is formed in a border, which faces the door body, of the oven body; the door body comprises two parallel closedplates and surrounding edges; a closing cavity is formed by the adjacent closing plates and surrounding edges; an isolation plate is arranged in the closing cavity and is made from memory metal; thelocking tooth comprises a hollow locking rod; a locking cover sleeves the front end of the locking rod; an air inlet tube and an air outlet tube are arranged in the handle; a miniature fan is arrangedin a pipeline formed by the air inlet tube, the closing cavity and the air outlet tube; and normally closed control valves are arranged in the air inlet tube and the air outlet tube. The oven is novel in structure and unique in principle, the sealing property of the door of the oven can be improved effectively, smell, heat and water leakage is prevented, internal uniform heating is ensured, and taste of food is improved.

The invention provides a triarylamine derivative and an organic electroluminescent device thereof, and relates to the technical field of organic electroluminescence. The triarylamine derivative provided by the invention has relatively high triplet state energy level, high hole mobility, high refractive index and good film-forming property and thermal stability, and when the triarylamine derivative is applied to the organic electroluminescent device, the driving voltage of the organic electroluminescent device can be effectively reduced, the luminous efficiency can be improved, the service life of the device can be prolonged, and the triarylamine derivative disclosed by the invention has a good application effect and industrialization prospect in organic electroluminescent devices.

The invention relates to a method for firing ceramics by desulfurized mortar. The method comprises the following steps: putting red mud, white mud, hill grit, calcium sulfite-type desulfurized mortar and Ca-based additives into a de-airing pug mill and thoroughly mixing the raw materials by means of pugging; the calcium sulfite-type desulfurized mortar is a byproduct obtained in flue gas desulfurization by using the lime-calcium sulfite method; covering a plastic film on the pugged mud, standing and aging to form a blank; shaping the blank in a former to obtain a ceramic green body; glazing on the surface of the ceramic green body with Ca-contained glaze to inhibit releasing of SO2 during the firing; putting the glazed ceramic green body into a kiln after drying to fire to obtain ceramic products. The method uses the calcium sulfite-type desulfurized mortar as the raw material for firing ceramics, thereby not only inhibiting releasing of SO2 with the releasing ratio below 25%, but also ensuring the property of the ceramic products. The desulfurized mortar used in the invention can be either the calcium sulfite-type desulfurized mortar produced during the production of the ceramicsor the desulfurized mortar from other kilns.

The invention relates to a pneumatic closed door oven. The pneumatic closed door oven comprises an oven body, a door body and a handle; locking teeth are arranged on the door body, and locking groovesmatched with the locking teeth are formed in a border, directly facing the door body, of the oven body; the door body comprises two parallelly arranged closing plates and enclosure edges, and the adjacent closing plates and the enclosure edges form a closed cavity; the closed cavity is internally provided with a partition plate which is made of memory metal; each locking tooth comprises a hollowlocking rod, and a locking cover sleeves the front end of the locking rod; the handle is internally provided with an air inlet pipe and an air outlet pipe, and a micro fan is arranged in a pipeline formed by the air inlet pipe, the closed cavity and an air outlet pipe; normally closed control valves are arranged in the air inlet pipe and the air outlet pipe respectively. The oven is novel in structure, unique in principle and capable of effectively improving the sealing performance of the oven door, preventing leakage of odor, heat and water, ensuring the uniform internal heating and improvingthe taste of food.

The invention relates to an anti-static PVC material, a preparation method thereof and a pipe prepared from the anti-static PVC material, and belongs to the technical field of PVC materials. The anti-static PVC material comprises the following components in parts by weight: 100 parts of PVC resin, 10-15 parts of an impact modifier, 5-10 parts of an antistatic agent, 2-8 parts of a flame-retardant smoke suppressant, 1-3 parts of a lubricant, 3-6 parts of a heat stabilizer, 5-15 parts of a reinforcing agent and 3-8 parts of a plasticizer. The PVC pipe for the underground coal mine prepared from the anti-static PVC material disclosed by the invention can still have flame-retardant and smoke-suppressing effects on the premise of ensuring that the anti-static performance meets the requirements, and meanwhile, the toughness is also obviously improved.

At a center portion of a ceiling wall of a furnace body having a lateral wall between the ceiling wall and a bottom wall, there is a burner that combusts downwards. A reforming reaction tube is provided in a circumference of the burner to carry out a steam reforming treatment on a source gas. A discharging portion is an opening at an upper side portion of the lateral wall for discharging combustion gas of the burner. A cylindrical outer wall is disposed at an outer side portion of the lateral wall. In an outside space formed between the lateral wall and the outer wall, there is a steam generating heat exchanger generating steam or a mixture gas of a source gas and steam. At a lower side portion of the outer wall, there is outside discharging opening discharging the combustion gas which flows through the outside space.

The invention discloses an interlayer water-stop tray for a house. The interlayer water-stop tray for the house is installed at the bottom of a floor and is connected to a through pipe, vertically penetrating through the floor, of an upper water passing device. The interlayer water-stop tray for the house comprises a tray base, a tray connecting piece and an anti-odor valve. The tray connecting piece and the anti-odor valve are installed on the tray base. The tray base comprises a tray body and a drain pipe arranged in the middle of the tray body. The anti-odor valve is arranged adjacent to the drain pipe. The anti-odor valve is a one-way valve. The water outlet of the anti-odor valve is connected to the wall of the drain pipe. The tray connecting piece is installed on the tray body, and connects and penetrates the bottom of the through pipe and the top of the drain pipe. Through the method, the odor escape and backwater phenomenon generated during use can be effectively suppressed, and small animals such as flying insects and ants are prevented from entering the room from a pipeline.

The invention discloses a material distributing and defoaming device of an evaporator. The device comprises a feeding pipe arranged on the wall of the evaporator in a penetrating manner, wherein a bend of the feeding pipe is arranged in the evaporator and is communicated with a vertical medium dispersion device; the medium dispersion device comprises a tubular side wall and an umbrella-shaped top cover which are fixedly connected; strip-shaped spraying holes are circumferentially arranged in the tubular side wall in parallel; the horizontal intervals between the adjacent spraying holes in each row of spraying holes are same; the two adjacent rows of spraying holes are staggered from each other; the diameter of the umbrella-shaped top cover is 2-3 times that of the top of the tubular side wall. The device is relatively high in processing capacity and defoaming efficiency.