54results about How to "Avoid corners" patented technology

The invention discloses a granular material drying equipment under low air pressure state, which comprises a suction pipe, a drying cylinder body and a blowing hole. Sleeve, shock-absorbing spring and T-shaped rod; both ends of the drying cylinder are welded with end sealing plates, and a closed drying chamber is formed between the drying cylinder and the end sealing plates, and the drying cylinder The top front end is welded with a material adding pipe; the heat preservation effect is good, the sealing effect is good, the spiral blade and the scraper blade stir the material in the drying cylinder to ensure the full mixing of the material in the drying cylinder, realize the circulation of hot air, and improve the heating of the material. The uniformity of the material, and in the low pressure environment in the drying cylinder, only a low heating temperature can make the water in the material reach the boiling point to evaporate and separate, which improves the efficiency of material drying, reduces the drying cost, and improves the quality of the material. Ease of drying.

The invention relates to the technical field of papermaking, in particular to a piece of liquid crystal glass dust-free protective paper. The liquid crystal glass dust-free protective paper is prepared by the following steps: with bleached chemical softwood pulp as a raw material, conveying the raw material to a net cage with a destaticizing device via a feeing fan, wherein the net cage is used for removing static electricity on the surfaces of fibers and ensuring that the fibers are uniformly dispersed and free of flocculation; forming a paper web through an air supply system, an exhaust system and a forming net; and carrying out heat compressing, upper glue spraying, baking, lower glue spraying, rebaking and calendaring on the paper web, and then forming the liquid crystal glass dust-free protective paper, wherein the liquid crystal glass dust-free protective paper has good heat resistance, moisture resistance, anti-static property and anti-corrosion performance and can be applied to the processing or transporting process of coated glass, optical glass and liquid crystal glass substrates to play roles in backing and isolating. By virtue of a dry agglutination technique, the water consumption in the production process is greatly reduced, so that the problem of pollution of a natural water body is relieved; the capital expenditure is relatively low; the energy consumption in the production process is relatively low; and the production cost is reduced.

The invention provides a hitching hidden-frame glass curtain wall comprising a main frame, an auxiliary frame, a cross beam, an opening frame, an opening sash and glass. Left and right vertical sides in the main and auxiliary frames are connected through pressure plates, and top and bottom horizontal sides in the main and auxiliary frames are connected through hooks. The cross beam is fixed on the main frame. The auxiliary frame is hitched to the cross beam, and a carrier strip is disposed at the lower end of the auxiliary frame. The glass is adhered to the auxiliary frame through silicone structural adhesive. The upper end of the opening frame is hitched to the cross beam. The opening frame is connected with the opening sash in a hitched structure. A channeled carrier strip is disposed at the upper end of the opening sash. The hitching hidden-frame glass curtain wall has the advantages that small-unit glass plates are positioned fast, field installation efficiency is improved, and the problems such as shedding of corners of the opening sash and frame-sash scratching are prevented effectively.

The invention discloses an optical fiber grating vibration sensor made of multi-cantilever beam all-insulation materials. The optical fiber grating vibration sensor comprises a vibration sensing system, a base and a top cover. The vibration sensing system comprises a mass block, four cantilever beams with equal lengths and a frame, and the frame is connected with the cantilever beams. The mass block is connected with the frame by the four slice cantilever beams and is supported and suspended by the cantilever beams. Four protruded quadrangular columns with equal heights are arranged at four corners of the base of a sensor, the vibration sensor is arranged in the base, and the frame of the sensor is exactly clamped on the surfaces of the four quadrangular columns, so that the vibration sensor can be suspended in the base. The optical fiber grating vibration sensor has the advantages that the cantilever beams can be driven by the mass block to vibrate along with the mass block when the sensor feels vibration, the wavelengths of a grating adhered on the mass block can vary, and vibration frequencies can be measured according to variation of the wavelengths of the grating; the mass block is fixed by the aid of the four cantilever beams, accordingly, the anti-jamming capacity can be enhanced, high-order modal resonance can be inhibited, vibration signals can be sensitively detected,and excellent insulation effects can be realized by the optical fiber grating vibration sensor owing to the insulation properties of the nonmetal materials.

The invention discloses a display device convenient to regulate and clean for biotechnology promotion. The display device comprises a base, a box body and a display disc, wherein the box body is put above the base; the display disc is arranged in an inner cavity of the box body; a visual window is arranged at the top of the box body; a cover case is arranged at the top of the visual window; a hydraulic cylinder is arranged at the top of the base; a piston rod is inserted and connected with the top of the hydraulic cylinder; and a slide block is arranged at the top of the piston rod. A drivingwheel is driven to rotate through a first motor; a driven wheel is pulled to rotate intermittently, so that the display disc connected with the driven wheel generates time intervals during rotation; exhibitors can conveniently do careful observation; the height of the display disc can be regulated through the hydraulic cylinder and the piston rod which are arranged between the base and the displaydisc; the height regulation can be performed according to exhibit properties; the exhibits can be conveniently and comprehensively displayed; the display effect is enhanced; the biotechnology promotion is promoted; and the display device is suitable for being widely popularized and used.

A method for manufacturing a semiconductor substrate having a silicon-on-insulator (SOI) structure region isolated by a local oxidation of silicon (LOCOS) film and an SOI structure in the region includes forming the LOCOS film so as to make a height from an uppermost surface of a semiconductor member to a top surface of the LOCOS film be higher than a height from the uppermost surface of the semiconductor member to a top surface of the SOI structure, forming a silicon germanium layer and a silicon layer on the SOI structure region on the semiconductor member by epitaxial growth and forming a polysilicon film on a surface of the LOCOS film, forming a recess for a support to support the silicon layer to be a part of the SOI structure, forming the support on the semiconductor member, exposing a side of the silicon germanium layer and the silicon layer underneath the support, forming a cavity by removing the silicon germanium layer having the side exposed, forming the SOI structure by embedding an insulating layer to be buried in the cavity, planarizing a covering insulating film formed to cover an entire of a top surface of the semiconductor member by using the polysilicon film as a stopper, and exposing a top surface of the silicon layer in the SOI structure by etching.

The invention belongs to the field of a curtain wall of a building door/window, and particularly relates to a high-water tightness door/window system. The high-water tightness door/window system comprises a frame (1) and an opening window sash (2), wherein the frame (1) is fixedly provided with a CG-shaped heat insulation bar (102), the CG-shaped heat insulation bar (102) is fixedly provided with a long-tail water-vapor separating adhesive tape (502), the opening window sash (2) is fixedly provided with a T-shaped heat insulation bar (202), the end part of the long-tail water-vapor separating adhesive tape (502) is in lap joint with the end part of the T-shaped heat insulation bar (202), the opening window sash (2) is fixedly provided with a CG-shaped fan heat insulation bar (201), the CG-shaped fan heat insulation bar (201) is fixedly provided with a fan middle adhesive tape (503), the top part of the fan middle adhesive tape (503) is in lap joint with glass (7), and the bottom part of the fan middle adhesive tape (503) is embedded in the CG-shaped fan heat insulation bar (201). The high-water tightness door/window system disclosed by the invention has the advantages that the sealing performance and the heat preservation performance are good, the structure is stable and firm, the universality is high, and the waterproof performance of the building door/window can be met.

The invention relates to a production method of a mechanically press-molded high-temperature baffle brick. The method comprises the following steps: (1) a raw material is prepared; (2) a mold is mounted; (3) the prepared raw material is added into the mold; (4) pressure vibration is carried out with a vibration molding machine, wherein a work bench of the vibration molding machine performs high-frequency vibration under the driving of a motor, and at a same time a hydraulic pressure head applies forces to the raw material in the mold under the push of a hydraulic cylinder; (5) mold release is carried out; (6) an obtained baffle brick blank is fired in a high-temperature kiln; and (7) sorting and packaging are carried out. With the method for producing the high-temperature baffle brick through mechanical press molding, production efficiency can be greatly improved, and the produced baffle brick has high refractoriness and good thermal stability. Therefore, problems of low production efficiency, low refractoriness and poor thermal shock resistance of existing baffle bricks are effectively solved.

The invention discloses a lifting type drip edge molding system. The lifting type drip edge molding system comprises a fixing part, an inner core and a variable-section insert block, wherein a guide hole for guiding the inner core is formed in the fixing part, and the inner core is glidingly arranged in the guide hole; at least one first penetration through hole is formed in the fixing part; second penetration through holes in equal quantity to the first penetration through holes are formed in the inner core, and the variable-section insert block is arranged in a penetration manner by means of the first penetration through holes and the second penetration through holes. With adoption of the technical scheme, position precision of a molding bar is guaranteed effectively, the height of the inner core relative to the fixing part can be adjusted by controlling the insertion depth of the variable-section insert block, and the height of the molding bar can be adjusted; according to the technical scheme, positioning of the variable-section insert block is reliable, and problems caused by thread failure are solved effectively.

The invention relates to an arrangement structure of a lattice-form underground continuous wall. The arrangement structure of the lattice-form underground continuous wall comprises longitudinal walls and transverse walls, wherein the axial lines of the longitudinal walls are perpendicular to a main load direction; the directions of the axial lines of the transverse walls are the same with the main load direction; the longitudinal walls comprise an inner-side longitudinal wall and an outer-side longitudinal wall; certain ends of the transverse walls are connected with the inner-side longitudinal wall, while the other ends of the transverse walls are connected with the outer-side longitudinal wall; one side, which faces to the outer-side longitudinal wall, of the inner-side longitudinal wall is provided with U-shaped joints; the U-shaped joints are embedded in the inner-side longitudinal wall, and are fixedly connected with a steel reinforcement cage in the inner-side longitudinal wall; the end parts of the transverse walls are embedded into groove bodies of the U-shaped joints; further, steel reinforcement cages in the transverse walls are fixedly connected with the U-shaped joints; one side, which faces to the inner-side longitudinal wall, of the outer-side longitudinal wall, is provided with second U-shaped joints; the second U-shaped joints are embedded into the outer-side longitudinal wall, and are fixedly connected with a steel reinforcement cage in the outer-side longitudinal wall; the end parts of the transverse walls are embedded into groove bodies of the second U-shaped joints; and further, the steel reinforcement cages in the transverse walls are fixedly connected with the second U-shaped joints.

The invention discloses a preparation method of a pre-tensioning method prestressed centrifugal concrete solid square pile, which comprises the following steps: preparing a mold, and brushing a parting agent on the mold; mounting a reinforcement cage in the mold, and arranging a tensioning end plate; feeding prepared concrete into the mold; conducting prestressed tensioning on the reinforcement cage according to the designed tensioning stress, and then carrying out locking and anchoring; putting the mold which is fed with the concrete on a centrifugal machine for centrifugal forming treatment; after centrifugation is completed, forming a central hollow core in the center of the square pile, and pouring out residual slurry separated from the concrete completely; conducting secondary filling on the center of the pile through high-strength-grade concrete, filling the center hollow core through secondary material pumping, and forming the square pile; performing steam curing on the formed solid square pile; and releasing and demolding the cured solid square pile. According to the method, the strength of the pile body of the solid square pile is high, and the phenomena that the four corners of the solid square pile in a non-centrifugal production process fall off and are unfilled and the strength difference of the upper section and the lower section of the pile body is large due to concrete vibration are avoided.

The invention discloses a construction method of a Larsen steel sheet pile. The construction method comprises the following steps of determining a base line, determining a pile position, driving the steel sheet pile, taking measures before earth excavation, completing civil construction and pulling out the steel sheet pile. The plane arrangement shape of the foundation pit dado steel sheet pile needs to be straight and tidy as much as possible, irregular corners are avoided, and utilization and supporting arrangement of standard steel sheet piles are facilitated. All peripheral sizes accord with the sheet pile modulus as much as possible. During the whole construction period, in the construction operations of earth cutting, hoisting, reinforcing steel bar tying, concrete pouring and the like, collision of the support is strictly prohibited, the support is prohibited from being dismantled at will, cutting and electric welding on the support are prohibited at will, and heavy objects are not required to be placed on the support.

The invention discloses a high-strength foam brick. The high-strength foam brick is characterized by being prepared from the following raw materials in parts by weight: 30-40 parts of waste glass, 6-8 parts of rutile titanium dioxide, 5-10 parts of high aluminum powder, 8-12 parts of zircon power, 4-8 parts of alumina silicate fiber, 2-4 parts of triisopropanolamine, 4-6 parts of ethylene diamine tetraacetic acid, 1-2 parts of erythritol, 1-2 parts of citric acid, 1-2 parts of bone glue, 0.5-1 part of seaweed gel, 1-2 parts of sodium lignosulphonate, 0.5-1 part of sodium lignin sulfonate, 2-4 parts of coconut oil fatty acid glycine potassium, 6-10 parts of composite filler and 40-60 parts of water. According to the foam brick disclosed by the invention, through strength improvement, the crushing resistance and the fracture resistance are improved; the phenomena such as edge failure and fracture are avoided; the product quality is relatively good; and the durability is relatively high.

The invention relates to an intelligent forming, stacking and coking production method, which specifically comprises the steps of coal sample pretreatment, forming, stacking, coal charging and coke quenching, wherein the forming and stacking processes are intelligent, the forming in the intelligent forming specifically comprises the steps of raw material metering feeding, homogenizing, mold filling, forming and demolding to form a set of intelligent control system, the length, the width and the height of the formed coal briquettes are 500-1000 mm, 400-600 mm and 400-650 mm respectively, the precision of the size of the formed coal briquettes is within +/-2 mm, the intelligent stacking adopts gantry type stacking, the gantry type stacking is composed of a stacking bracket, a stacking lifting table and plural sets of stacking grippers, and the length, the width and the height of the stacked coal walls are 12000-2500 mm, 400-3400 mm and 1000-10000 mm. The method has the characteristics ofsimple process flow and high automation degree, and has advantages of remarkable energy saving, environment protection, emission reducing, yield increasing and social and economic benefits.