37results about How to "Not easy to fill" patented technology

The invention relates to a soft sealing butterfly valve and a method for preparing a valve seat sealing ring thereof, wherein the valve body of the butterfly valve is provided internally with a valve seat; the valve seat is provided with a sealing ring for the soft sealing; the sealing side surface of the valve seat is provided with an annular groove the interior of which is large and the exterior of which is small; the sealing ring is fixed on the annular groove; the sealing surface of the top of the sealing ring is exposed outside the annular groove; and the part, positioned in the annular groove, of the sealing ring is matched with the groove wall of the annular groove. The method for preparing the sealing ring comprises: placing the main body of the sealing ring in the annular groove;pouring solidifiable resin in the annular center joint of the main body of the sealing ring through a through hole on the valve seat, and enabling two halves of the main body of the sealing ring to be expanded to cling to the side wall of the annular groove. According to the invention, the structure is simple, the sealing is reliable, and the sealing ring of the valve seat has less possibility ofdropping and is suitable for various soft sealing butterfly valves.

The invention provides an oil tank with a cellular metal foam structure for a vehicle. The oil tank comprises an oil tank body with an oil inlet and an oil suction pipe, wherein the oil suction pipe in the oil tank body is provided with a fuel pump; the lower end in the oil tank body is filled with a wave-inhibition noise-reduction device made of cellular metal foam; an oil product is filled in the clearance of the cellular metal foam structure; and the oil suction pipe is inserted into the wave-inhibition noise-reduction device. The traditional wave-proof baffle is replaced by the cellular metal foam, so that the centroid of fuel shaking in the oil tank can be effectively lowered, the fluctuation of the fuel liquid surface can be inhibited, the liquid phase rate of the oil suction pipe and the periphery thereof of the oil tank can be remarkably improved, the flowing noise can be effectively reduced, and the safety, stability and comfort of vehicle running can be improved. Meanwhile, the oil tank also has the function of a filter so as to reduce blockage of an oil pump system and abrasion of a motion part, and improve the service life of an engine.

The invention discloses a high-K metal gate structure, a fin type field effect transistor and manufacturing methods therefor. The manufacturing method for the high-K metal gate structure comprises the steps of providing a semiconductor substrate, and forming a first barrier layer on a first work function metal layer in a first groove; forming a second barrier layer on a second work function metal layer in a second groove; performing first silicon ion implantation on the first barrier layer in the first groove; performing second silicon ion implantation on the second barrier layer in the second groove; after performing first silicon ion implantation on the first barrier layer, filling the first groove with a first tungsten metal gate; after performing second silicon ion implantation on the second barrier layer, filling the second groove with a second tungsten metal gate; and after performing the first silicon ion implantation and the second silicon ion implantation, performing at least one step of thermal treatment. By adoption of the method, the matching performance of the transistor is improved, and the problem of performance mismatch of the transistor can be prevented.

The invention discloses high-efficiency chemical water-stemming which comprises an outer packaging film (1) and a liquid (2), wherein the liquid (2) is sealed in the outer packaging film (1); the liquid (2) comprises components in parts by weight as follows: 6-8 parts of a smoke eliminating agent, 6-9 parts of a flame eliminating agent, 5-7 parts of a foaming agent, 6-7 parts of a detergent, 7-9 parts of a dust depressor and 60-70 parts of water; the main component of the smoke eliminating agent is a mixture of sodium carbonate, sodium hydrogen carbonate, sodium phosphate and sodium silicate; the main component of the flame eliminating agent is a mixture of potassium sulphate, potassium nitrate, sodium chloride and potassium chloride; the main component(s) of the foaming agent are / is sodium nitrite and / or potassium nitrite; the main component of the detergent is sodium dodecyl benzene sulfonate; and the main component of the dust depressor is a mixture of water-soluble polymer, glycerol and calcium chloride. The high-efficiency chemical water-stemming has excellent effects of degrading and dissolving poisonous gases, eliminating smoke and flame, suppressing dust and blocking blasting holes; the cost is low; and the high-efficiency chemical water-stemming is widely applied to fields where the space of a roadway is small, the wind speed is low, and poisonous and hazardous gases are difficult to dilute.

The invention discloses a gutter inlet garbage filtering and circulating system, and relates to the field of urban road drainage facilities. The gutter inlet garbage filtering and circulating system comprises a draining well, a well lid sear, a well lid and a filter device, wherein drain holes are formed in the well lid, filter holes are formed in the filter device, and the filter device comprises a guidance basket and a filter basket; the guidance basket comprises a guide plate and a baffle, the guide plate is arranged aslant, the lower side of the guide plate is provided with an introduction port connected with one side of the filter basket, the filter holes are formed in the upper part of the side wall and the bottom surface of the filter basket, one section of the lower part of the side wall of the filter basket without the filter holes is formed into an accommodating cavity capable of storing articles, the baffle is arranged in the filter basket to divide the accommodating cavity into a first accommodating cavity and a second accommodating cavity, sponges are paved in the first accommodating cavity and the second accommodating cavity of the filter basket respectively, and the introduction port is connected with the upper edge of the first accommodating cavity and faces the first accommodating cavity and the second accommodating cavity at the same time. The filtering and circulating system has the advantages of being practical, good in filter effect, convenient to assemble and disassemble, firm in structure, and particularly applicable to use with large water discharge.

The invention relates to a liquid cooling system for a server. As a liquid filling and liquid recovering device is detachably connected with a refrigeration device, a refrigerant is pumped in the refrigeration device or the refrigerant is exhausted from the refrigeration device. The operation is convenient, liquid filling and draining on a liquid storage tank and a blade can be realized, and liquid filling and draining can be realized for a certain blade in a condition of realizing no to influence normal refrigeration of other blade servers.

A method for growing a nitride light-emitting diode (LED) epitaxial wafer with a reversed V-shaped coarsening surface belongs to the photoelectric technology field of semiconductors. Firstly a high dislocation density gallium nitride (GaN) epitaxial film is achieved on a sapphire substrate, and the method for growing a nitride LED with the reversed V-shaped coarsening surface is achieved through density. Dislocation can be released on a multi-quantum wells (MQWs) surface to form a V-shaped pit, low-temperature high-pressure growth is used for growing pGaN, an expansion free-path of the Ga element at low temperature and high pressure is short, three-dimensional growth serves as a main mode, and the V-shaped pit is not easy to fill in a growing process. Therefore, the V-shaped pit is equivalently released in the growing process, further a pGaN coarsening surface with the reversed V-shaped surface is formed, accordingly the nitride LED with the reversed V-shaped coarsening surface is obtained, and light intensity is 100% promoted.

The invention belongs to the field of forging and forming, and particularly relates to a forming method for a large multi-rib disc-shaped forged piece. According to the technical scheme adopted by theinvention, the forming method for the large multi-rib disc-shaped forged piece is characterized in that height of the large multi-rib disc-shaped forged piece is 60-70 mm, eight narrow ribs are arranged on the inner bottom surface of the large multi-rib disc-shaped forged piece, closed type mould-forging forming is adopted, the forging mould comprises an upper mould and a lower mould, eight forming slots are formed in the lower mould, the narrow ribs are formed in the forming slots of the lower mould, and depth of a mould cavity of the upper mould is greater than height of the large multi-ribdisc-shaped forged piece by 10-12 mm. The forming method for the large multi-rib disc-shaped forged piece provided by the invention adopts closed type mould-forging production, solves the rib fillingand chewing-damaging problem, simplifies a mould manufacturing and producing process, saves consumption of a trimming mould and excessive deckle-edge materials, and improves surface quality of the forged piece.

The invention discloses a cracking-resistant high-strength insulating brick which comprises the following raw materials in parts by weight: 60-100 parts of Portland cement, 10-20 parts of rice husk complex, 30-80 parts of magnesia cement, 2-10 parts of coal cinder, 4-10 parts of sepiolite powder, 1-3 parts of microcrystalline cellulose, 4-9 parts of talcum powder, 1-2 parts of an early strength agent, 1-2 parts of an enhancer, 50-150 parts of water, 1-3 parts of polystyrene foam particles, 1-2 parts of a colloidal agent and 0.2-1 part of a liquid foaming agent. The rice husk complex is prepared according to the following process steps: adding rice husks into a potassium hydroxide solution, raising the temperature, stirring, filtering, performing vacuum drying, adding graphene oxide to be uniformly mixed, carbonizing, uniformly grinding, adding glycerin, sodium polyacrylate and water to stir, adding hydroiodic acid to stir, filtering, washing and drying, thereby obtaining the rice huskcomplex. The cracking-resistant high-strength insulating brick provided by the invention is extremely high in flexibility, difficult to crack, high in strength and excellent in thermal insulation effect.

The invention discloses a ceramic part applied to an aerospace field and a preparation method of the ceramic part, and belongs to the field of structural ceramics for aerospace. According to the ceramic part applied to the aerospace field, skeletons of flying birds are simulated, the ceramic part for the aerospace is divided into two parts of a main stress section (central shaft tube) and a connecting section (connecting part), manufactured separately, and then assembled together, the manufacturing difficulty is greatly lowered, standardization of workpieces is easy, a hollow structure in thecentral shaft tube can greatly decrease the dead weight of the ceramic part, by inserting a lightweight foam-shaped mixture into the central shaft tube, after a crack appears on the surface of the central shaft tube and develops rapidly, it is not prone to causing the central shaft tube to break directly, at the same time, pre-doped bacteria in the foam-shaped mixture are revived under the combined action of air and water and feed on the foam-shaped mixture for normal growth, and generated metabolic waste carbonate can fill the crack of the central shaft tube for temporary repairing of the central shaft tube.

The invention provides light porous daily fine porcelain. The light porous daily fine porcelain is prepared from the following chemical components in percentage by weight: 54-64% of SiO2, 30-37% of Al2O3, 0.1-1% of K2O, 0.2-0.5% of Na2O, 1-5% of CaO, 1-3% of MgO and 0-1.5% of P2O5. Any pore forming agent or foam stabilizer does not need to be added in the preparation process of the porcelain body,a plurality of closed pores can be formed through firing, and the fine porcelain with low volume density, high mechanical strength and high light transmittance is obtained.

The invention belongs to the technical field of asphalt recycling agents and in particular discloses a structure of a warm mixing recycling agent. The structure comprises a capsule shell, and a recycling agent composed of used oil, graphene, light oil and desulfurized rubber powder, wherein the recycling agent is liquid and is filled in the capsule shell; the capsule shell comprises a shell cap, ashell and an encapsulation ring; the shell is matched with the shell cap; the encapsulation ring is used for sealing the joint of the shell cap and the shell; an insertion groove through which the shell is inserted is formed in the end of an opening in the shell cap; the insertion groove is in interference fit with the shell; a rubber is arranged at the end, which is far away from the shell, of the insertion groove; the runner is communicated with the interior of the shell cap; a filling port is formed in the shell cap and communicated with the insertion groove; a drainage groove is formed inthe end, which is close to the shell cap, of the shell; the drainage groove is communicated with the insertion groove; the material of the encapsulation ring is the same as that of the shell cap andthe shell. The invention aims to solve the problems that the recycling agent is difficult to transport and the usage amount is difficultly controlled during use.

The invention belongs to the technical field of ceramic processing and discloses an extrusion type ceramic blank drying device using the temperature difference pressure intensity. The extrusion type ceramic blank drying device utilizing the temperature difference pressure intensity comprises a drying box, supporting legs are fixedly connected to four corners of the lower surface of the drying box,a box cover is arranged on an open end cover at the top of the drying box, a box plug is adhered to the lower surface of the box cover, the box plug is inserted into the drying box, a hot fan and a vacuum pump are fixedly arranged on the upper side and the lower side of the right side surface of the drying box correspondingly, and a heat supply pipe is inserted into the middle of the box cover. According to the extrusion type ceramic blank drying device using the temperature difference pressure intensity, a vacuum pump is used for extracting the gas in the drying box and simultaneously extracting the moisture in the air, on the other hand, along with the air in the drying box being extracted, the air pressure is reduced, the moisture in a ceramic blank is rapidly vaporized and separated from the blank and is extracted from the drying box by the vacuum pump, rapid separation of the moisture in the ceramic blank is facilitated, and the ceramic blank can be rapidly dried.

The invention discloses a gutter inlet garbage filtering and circulating system convenient to replace, and relates to the field of urban road drainage facilities. The gutter inlet garbage filtering and circulating system comprises a drainage well, a well lid base on a drainage well mouth, a well lid embedded into and covering the well lid base and a filtering device arranged below the well lid. Drainage holes are formed in the well lid. Filter holes are formed in the filter device. A filter device comprises a flow guiding gasket and a filtering gasket. The flow guiding basket comprises a flow guiding plate and baffles. The flow guiding plate is arranged in an inclined mode, and the lowest side edge of the flow guiding plate is a guiding inlet and connected to the upper edge of one side edge of the filtering basket. The other edges, except the side edge of the guiding inlet, of the flow guiding plate protrude upwards to form the baffles. The filter holes are formed in the upper portion and the bottom face of the side wall of the filter basket, the section, with no filter holes, of the lower portion of the side wall forms a containing cavity capable of storing objects, and the filtering device is stably placed into the drainage well through a placement structure. The gutter inlet garbage filtering and circulating system has the advantages of being practical, good in filtering effect, convenient to assemble and disassemble, stable in structure and the like, and particularly suitable for large displacement.

The invention discloses a multi-purpose clearing and digging tool for clearing silt in an inspection well and an operation method thereof. The tool comprises a holding rod, one end of the holding rod is connected with a clearing barrel, the bottom of the clearing barrel is of an opening structure, and rotating door leaves are rotatably arranged at the bottom of the clearing barrel; one ends of the rotating door leaves are hinged to the clearing barrel, and the other ends of the rotating door leaves are placed on a supporting piece which is connected with the clearing barrel; and a window is formed in the upper portion of the clearing barrel, and a blocking piece is rotatably arranged at the window. The clearing and digging construction tool is provided for the inspection well with dense deposition, operation for a worker to descend into a well can be avoided, the working efficiency is high, and operation is easy and convenient; and in addition, the clearing and digging tool can be used for effectively clearing thin mud or sparse silt.

The invention discloses a gutter inlet garbage filtering and circulating system, and relates to the field of urban road drainage facilities. The gutter inlet garbage filtering and circulating system comprises a draining well, a well lid sear, a well lid and a filter device, wherein drain holes are formed in the well lid, filter holes are formed in the filter device, and the filter device comprises a guidance basket and a filter basket; the guidance basket comprises a guide plate and a baffle, the guide plate is arranged aslant, the lower side of the guide plate is provided with an introduction port connected with one side of the filter basket, the filter holes are formed in the upper part of the side wall and the bottom surface of the filter basket, one section of the lower part of the side wall of the filter basket without the filter holes is formed into an accommodating cavity capable of storing articles, the baffle is arranged in the filter basket to divide the accommodating cavity into a first accommodating cavity and a second accommodating cavity, sponges are paved in the first accommodating cavity and the second accommodating cavity of the filter basket respectively, and the introduction port is connected with the upper edge of the first accommodating cavity and faces the first accommodating cavity and the second accommodating cavity at the same time. The filtering and circulating system has the advantages of being practical, good in filter effect, convenient to assemble and disassemble, firm in structure, and particularly applicable to use with large water discharge.

The invention provides a water tank and a cleaning robot with the same. The water tank comprises an upper surface, a lower surface and a lateral end face, wherein the lateral end face has certain thickness, the upper side and the lower side of the lateral end face are connected with the upper surface and the lower surface to form a flat shape, cleaning cloth wraps the lower surface of the water tank (100), and a water filling nozzle (150). The water tank has the advantages that due to the fact that the water tank is of a flat shape, the water filling nozzle is formed in the lateral end face have certain thickness, water can directly downwardly flow into the water and cannot spill easily during water filling, bubbles near the water filling nozzle are reduced greatly, and the water tank can be filled with the water easily, an operator can easily hold the water tank to perform water filling, and the water tank is simple in structure and convenient to use.

The invention discloses a composite automobile tire, which comprises a tread and pattern blocks arranged on the tread, the pattern blocks include a central pattern block and side pattern blocks arranged on both sides of the central pattern block, the central pattern block is The strip-shaped bumps arranged longitudinally along the tread, and the side pattern blocks include a row of semicircular annular pattern blocks arranged longitudinally. The invention has the advantages of simple structure, reasonable design of the tread pattern, and meets the requirements of tires on wear resistance, drainage and stability, and is not easy to be filled with stones and soil, avoids slipping, and ensures the safe driving of the automobile.

The invention discloses a semiconductor structure and a forming method thereof, and the structure comprises a substrate which is provided with an optical waveguide layer; the first dielectric layer is located on the substrate; the cavity is located between the first dielectric layer and the optical waveguide layer, the cavity is located on the surface of the side wall of the optical waveguide layer, and the bottom of the cavity is flush with the bottom of the optical waveguide layer; the second dielectric layer is located on the first dielectric layer and the optical waveguide layer, and the second dielectric layer is located at the top of the cavity and seals the cavity. An optical waveguide layer is arranged on the substrate; the first dielectric layer is located on the substrate; the cavity is located between the first dielectric layer and the optical waveguide layer, the cavity is located on the surface of the side wall of the optical waveguide layer, and the bottom of the cavity is flush with the bottom of the optical waveguide layer; the second dielectric layer is located on the first dielectric layer and the optical waveguide layer, and the second dielectric layer is located at the top of the cavity and seals the cavity. The performance of the semiconductor structure is good.

The invention discloses pig liver carrot rice flour with an eye protecting function. The pig liver carrot rice flour with the eye protecting function comprises the following raw materials in parts byweight: 65 to 85 parts of rice, 8 to 14 parts of sticky rice, 5 to 10 parts of Chinese yam, 5 to 10 parts of mung bean, 5 to 10 parts of pine nut, 1 to 3 parts of sweet corn, 5 to 8 parts of carrot, 6to 13 parts of pig liver, 4 to 8 parts of celery root, 3 to 6 parts of astragalus membranaceus, 2 to 5 parts of Chinese angelica, 1 to 3 parts of seasoner and 1 to 3 parts of nutritional additive. According to the rice flour, the rice serves as the raw materials, the sticky rice, the Chinese yam, the mung bean, the pin nut and the sweet corn are added to cooperate with the rice, and the content of the rice, the sticky rice, the Chinese yam, the mung bean, the pine nut and the sweet corn is adjusted, so that the rice flour is rich in various nutritional components such as vitamin, amino acid and carbohydrate; and the carrot, the pig liver and the celery root are added in the formula, so that the effects of tonifying liver and nourishing blood, clearing heat and improving eyesight, beautifying and moistening skin as well as reducing blood pressure are achieved.

The invention discloses a gutter inlet garbage filtering and circulating system convenient to replace, and relates to the field of urban road drainage facilities. The gutter inlet garbage filtering and circulating system comprises a drainage well, a well lid base on a drainage well mouth, a well lid embedded into and covering the well lid base and a filtering device arranged below the well lid. Drainage holes are formed in the well lid. Filter holes are formed in the filter device. A filter device comprises a flow guiding gasket and a filtering gasket. The flow guiding basket comprises a flow guiding plate and baffles. The flow guiding plate is arranged in an inclined mode, and the lowest side edge of the flow guiding plate is a guiding inlet and connected to the upper edge of one side edge of the filtering basket. The other edges, except the side edge of the guiding inlet, of the flow guiding plate protrude upwards to form the baffles. The filter holes are formed in the upper portion and the bottom face of the side wall of the filter basket, the section, with no filter holes, of the lower portion of the side wall forms a containing cavity capable of storing objects, and the filtering device is stably placed into the drainage well through a placement structure. The gutter inlet garbage filtering and circulating system has the advantages of being practical, good in filtering effect, convenient to assemble and disassemble, stable in structure and the like, and particularly suitable for large displacement.

The invention discloses high-efficiency chemical water-stemming which comprises an outer packaging film (1) and a liquid (2), wherein the liquid (2) is sealed in the outer packaging film (1); the liquid (2) comprises components in parts by weight as follows: 6-8 parts of a smoke eliminating agent, 6-9 parts of a flame eliminating agent, 5-7 parts of a foaming agent, 6-7 parts of a detergent, 7-9 parts of a dust depressor and 60-70 parts of water; the main component of the smoke eliminating agent is a mixture of sodium carbonate, sodium hydrogen carbonate, sodium phosphate and sodium silicate; the main component of the flame eliminating agent is a mixture of potassium sulphate, potassium nitrate, sodium chloride and potassium chloride; the main component(s) of the foaming agent are / is sodium nitrite and / or potassium nitrite; the main component of the detergent is sodium dodecyl benzene sulfonate; and the main component of the dust depressor is a mixture of water-soluble polymer, glycerol and calcium chloride. The high-efficiency chemical water-stemming has excellent effects of degrading and dissolving poisonous gases, eliminating smoke and flame, suppressing dust and blocking blasting holes; the cost is low; and the high-efficiency chemical water-stemming is widely applied to fields where the space of a roadway is small, the wind speed is low, and poisonous and hazardous gases are difficult to dilute.

The invention belongs to the technical field of ceramic processing, and discloses an extrusion type ceramic body drying device utilizing temperature difference and pressure. The extruded ceramic body drying device using temperature difference and pressure includes a drying box, the four corners of the lower surface of the drying box are fixedly connected with outriggers, the top opening end of the drying box is covered with a box cover, and the lower surface of the box cover A box plug is bonded, and the box plug is plugged in the inside of the drying box. The upper and lower sides of the right side of the drying box are respectively fixed with a hot air blower and a vacuum pump, and the middle part of the box cover is plugged with a heat supply pipe. The extruded ceramic embryo body drying device using temperature difference and pressure uses a vacuum pump to extract the gas in the drying box, and at the same time extracts the moisture in the air. It is quickly vaporized and separated from the green body and is drawn out of the drying oven by a vacuum pump, which helps the moisture in the ceramic green body to quickly detach, and the ceramic green body can be dried quickly.

The invention discloses a dual-purpose five-blade double-fillet curved surface milling cutter with a curved surface capable of being machined at the end, and belongs to the field of milling cutters. The dual-purpose five-blade double-fillet curved surface milling cutter with the curved surface capable of being machined at the end comprises a cutter body, a second cutter bar and a face milling cutter; a movable rod is arranged in the cutter body; a first spring is arranged on the periphery of the movable rod, and the end of the first spring is connected with an inner rod; rubber is arranged on the side of the cutter body, and a connecting key is arranged on the side of the rubber; a nut is arranged on the periphery of the connecting key; a first cutter bar is arranged on the side of the nut; a protective sleeve is arranged on the periphery of the first cutter bar; a connecting belt is connected to the side of the protective sleeve; a clamping block is arranged on the side of the connecting belt; a second spring is connected to the side of the clamping block; the second cutter bar is connected to the top of the first cutter bar; and a bolt penetrates through the interior of the second cutter bar. The dual-purpose five-blade double-fillet curved surface milling cutter of the invention is provided with the first spring, the damping effect is achieved, the milling cutter is not easy to break due to long-time vibration in the using process, and the effect of protecting the milling cutter is achieved.

The invention provides a cefdinir capsule and a preparation method thereof. The contents of the capsule are prepared from the following raw and auxiliary materials in parts by weight: 90-120 parts of cefdinir, 10-40 parts of low-substituted hydroxypropyl cellulose 1-6 parts of poloxamer 188, 1-7 parts of magnesium stearate. The present invention not only can make cefdinir capsule intermediate material It has good fluidity, low static electricity, reduces material sticking to the wall, is easy to fill capsules, and can increase the dissolution of cefdinir capsules to achieve the same dissolution curve as the reference preparation.

A method for constructing an auto disturbance rejection torque prediction controller of switch reluctance BSG motor the current detection module and the angle detection module respectively collect thecurrent ik and the angle signal thetak at the time of k, the speed calculating module calculates the rotational speed omega k at the k time through the angle, inputting the collected current ik and angle signal thetak at time k into a torque prediction controller, the torque value at k+1 time is predicted by the torque predictive controller, A torque predictive controller outputs an optimal control vector Sg, The switching reluctance motor (SRM) is ensured to run by switching on and off of the power converter through the optimal control vector. The collected speed signal Omega k is inputted to the ADRC, and the reference speed is given. The reference torque Te given by the torque predictive controller is obtained by the ADRC. The invention adopts the torque predictive control, which can realize the rolling optimization and correction of the model, improve the accuracy of the model and increase the stability of the control, thereby reducing the torque ripple.