180results about How to "Various structural forms" patented technology

The invention discloses a 1,3,5-triazine derivative. The derivative is a compound with a structure of a formula I. The compound of the formula I can emit high-efficiency blue fluorescence and meanwhile has higher triplet state energy; so that the compound of the formula 1 can sensitize green and red phosphorescent doped materials while emitting the high-efficiency blue fluorescence, so that the technological conditions for preparing WOLEDs (White Organic Light Emitting Diode) are met. Meanwhile, the invention also discloses a preparation method of the compound of the formula 1 and application in preparation of the white light organic electroluminescent diode.

The five freedom numerically controlled milling machine is superior to available one, which has inconvenient manufacture and installation, complicated programming, and other demerits. The five freedom numerically controlled milling machine consists of a bed, a platform pedestal, a machining tool and a main electric shaft to control the machining tool, as well as a three freedom RPS mechanism. The three freedom RPS mechanism consists of a lower platform, a moving platform and telescopic rods comprising lead screw and nut mechanism, and each of the three telescopic rods has its ends hinged separately to the lower platform and the moving platform. The milling machine of the present invention has high rigidity, high precision, simple and symmetrical structure, low cost, simple manufacture and installation, high machine accuracy and convenient programming.

The heat abstractor comprises a main radiator, an auxiliary radiator, a connecting pipe and a minipump. The main radiator possesses flow passages, where molten metal with low melting point or alloy flow working medium are contained. Cooling fins are setup at surface of the main radiator contacted to surface of the chip to be cooled. Cooling fins are also setup at surface of the auxiliary radiator possessing flow passages, where liquid metal with low melting point or alloying flow working medium are contained. The connecting pipe connects between the main and auxiliary radiators. The minipump is installed on the connecting pipe for driving liquid metal and working medium. The said working medium is metal gallium or its alloy, which are meltable near room temperature. The invention integrates fin cooling and convective cooling, providing advantages of small size, large cooling area, high heat transfer efficiency, close cyclic process without influence on environment.

The invention discloses bi(trimethylphenyl) boron derivatives. The derivatives are compounds with a structure show in a formula I; the formula I is as shown in the specification; the compounds shown in the formula I can emit efficient blue fluorescence, and also have high triplet level; green and red phosphor doped materials also can be sensitized when the efficient blue fluorescence is emitted; therefore, the technological conditions of preparation of white organic light-emitting diodes (WOLEDs) are met. Meanwhile, the invention also discloses a preparation method of the compounds shown in the formula I and application thereof in preparation of the white organic light-emitting diodes.

The invention discloses a jet pump and relates to mixed flow elements of fluid. An annular ejector of the jet pump is coaxially and serially arranged at the front end of a central ejector; the annular ejector comprises an annular nozzle, an annular mixing chamber and an annular mixing pipe; the central ejector comprises a central nozzle, a central mixing chamber and a central mixing pipe; a primary fluid inlet is laterally communicated with the annular nozzle and is directly communicated with the central nozzle at the tail end of a central pipe; a secondary fluid inlet is communicated with a side wall of the annular mixing chamber; one part of primary fluid is ejected to be introduced into secondary fluid of the annular mixing chamber through the annular nozzle and is mixed in the annular mixing pipe, and annular mixed flow is output; and the other part of primary fluid is jetted to an outlet of the central mixing pipe through the central nozzle and is ejected to enter the annular mixed flow in the central mixing chamber, and the primary fluid and the annular mixed flow are subjected to secondary mixing in the central mixing pipe and are output, so that suction of high-pressure primary fluid and mixed flow delivery of low-pressure secondary fluid are finished. The jet pump which is formed by sleeving and connecting two ejectors in series is small in axial size and high in ejection rate and output pressure.

The invention discloses a hollow steel girder, which comprises a top flange, a bottom flange, at least one row of web members and two end part gusset plates, wherein the end part gusset plates are arranged at two ends of the top flange and the bottom flange, and are respectively connected with the top flange and the bottom flange; and the web members have a truss structure, and are arranged between the top and bottom flanges and the end part gusset plates. Spaces facilitating the passing of pipelines are formed between the top and bottom flanges and the web members with the truss structure, advantages of the truss structure and a solid girder are comprehensively applied, the height of the steel girder is reduced to the utmost, and the effective using floor height of a building is enlarged as possible; and components of the hollow steel girder have good structural performance, and the hollow steel girder can meet requirement of civil and residential buildings on floor height, and has wide applicable range and good application prospect.

The intention relates to a technological method and equipment for preparing biodiesel by palm oil, used for enhancing the production efficiency, the conversion rate and the quality of the biodiesel and regulating and controlling the composition of the biodiesel. The technological method comprises the following steps of: respectively and continuously inputting catalyst-containing methanol and the palm oil through an inlet of a reactor according to a proper proportion, wherein the reactor is provided with an oscillation intensifying device for enhancing the reaction effect, controlling the composition of products and enhancing the reaction rate and the conversion rate; and after the reaction is completed at proper frequency and amplitude, continuously effusing generated products from an outlet of the reactor, and then separating, washing with water, filtering water, absorbing water, and the like. The piston frequency and the amplitude of a regulation and control intensifying device can regulate and control the flow state, the retention time, product components and the conversion rate of materials or achieve the plug flow of the materials; the regulation and control intensifying device has large regulation elasticity and wide application range, regulates the movement velocity, the geometrical shape and dimension and the space position of a regulation piston driving mechanism or the mode of baffle plate replacement and can meet various reaction conditions; in addition, the palm oil has extensive source and low price.

The invention discloses an elevator door light curtain detection protection device. The elevator door light curtain detection protection device comprises a detection light eye, a driving mechanism, a transmission mechanism, a control module and a light eye position detection unit; the detection light eye comprises a transmitting end light eye and a receiving end light eye; the transmission mechanism is connected with the driving mechanism and driven by the driving mechanism to drive the transmitting end light eye and or the receiving end light eye to move in a reciprocating mode; the movement speed of the detection light eye is larger than the speed that a user is in or out of an elevator door; the light eye position detection unit is used for determining the movement position of the detection light eye; the control module is connected with the detection light eye and the light eye position detection unit and used for processing a light eye detection signal and a light eye movement position signal. According to the elevator door light curtain detection protection device, the reciprocating movement namely the vertical straight line reciprocating movement or vertical reciprocating swing is performed on the detection light eye through the driving mechanism and the transmission mechanism and accordingly the detection coverage of a light curtain is greatly improved and the blind area can even be avoided through the control on the driving mechanism and accordingly the safety performance of the elevator is greatly improved.

The invention provides a multidirectional corrugated inner finned tube which comprises an outer tube, a plurality of multidirectional corrugated inner fins are uniformly distributed on the inner circumferential face of the outer tube. Each multidirectional corrugated inner fin comprises a root, two straight walls and two bends. Multidirectional corrugated patterns are distributed on the two straight walls, and lines of the multidirectional corrugated patterns on the same straight wall are consistent in tendency. The bends and the inner surface of the outer tube are in a brazing manner. The straight walls extend radially along the outer tube. The outer tube and the multidirectional corrugated inner fins form a plurality of parallel circulating channels. The multidirectional corrugated inner finned tube provided by the invention has various structural patterns and is easy to form and process. Compared with an optical tube, the effective heat transfer area is remarkably increased, so that the flow medium flow pattern in the tube is forcibly guided. The secondary flow is enhanced, the transverse turbulent flow is aggravated, the turbulivity is increased and the boundary layer of a flow medium is strongly interfered, so that the purpose of efficiently enhancing the heat transfer is realized. Meanwhile, the vertical flowing resistance in the tube can be controlled. Compared with the common finned tube, the resistance is remarkably reduced with the same thermal load.

The five-axis linkage serioparallel numerically-controlled machine tool is one kind of parallel machine tool superior to available six freedom parallel machine tool, which has high cost and complicated structure for five-axis motion. The five-axis linkage serioparallel numerically-controlled machine tool includes a frame; a moving platform; four link rods, each of which has one end connected to the frame and the other end hinged the operate moving platform; and one shifting work table set below the moving platform. The machine tool of present invention has high symmetry, high rigidity, high precision and high dynamic performance, no motion coupling, simple structure, low cost and easy manufacture. The present invention increases the structure forms of five-axis parallel machine tools, provides the theoretical research on four and five freedom parallel machine tools with mechanism prototype, and can realizes all the functions of available six freedom parallel machine tool.

The invention belongs to the technical field of machining equipment, in particular relates a linear type multiple row horizontal-type-like double-face machining multiple spindles drilling machine. The drilling machine comprises a common-base, a machine body, workbenches, a clamp and a drilling hole unit, the drilling hole unit is longitudinally and centrally installed along the top surface of the common-base; two workbenches are respectively installed on the machine body of two longitudinal ends of the common-base, and a workbench longitudinal reciprocating movement mechanism, a workbench lateral reciprocating movement mechanism and a workbench lifting movement mechanism are arranged inside the machine body from top to bottom; the clamp comprises a support and a clamping element; multi-layer transverse shelves are arranged on the support from top to bottom, a plurality of clamping elements are arranged on each transverse shelf; the drilling hole unit comprises spindles, drills, a gear box and a driving mechanism, the spindles are evenly distributed and installed in the gear box from top to bottom in a multi-row manner, two adjacent rows of spindles are arranged from top to bottom in a staggering manner, and the extending directions of the drills are opposite, the driving mechanism comprises a plurality of gears which are engaged with one another to carry out transimission, a main drive mechanism and a power mechanism. The linear type multiple row horizontal-type-like double-face machining multiple spindle drilling machine can processes rows of holes which are fixed in intervals and hole diameter on multiple workpieces to be processed, the time and labor are saved, the processing efficiency is high and the machining is precise.

The invention discloses an optical fiber sensing device based on optical fiber bending deformation. The sensing device is characterized by comprising a baseplate I, wherein at least one of the baseplate I, a fish back I and a fish back II arranged on the baseplate I or at least one part of three is composed of a function material, and the fish back I is provided with a deformation teeth I; the fish back II is provided with a deformation teeth II, the deformation teeth I and the deformation teeth II are corresponding in a staggered manner, the deformation teeth II is provided with a signal optical fiber, and the signal optical fiber is a of multiturn surrounding shape and clamped between the deformation teeth I and the deformation teeth II; and the signal optical fiber is connected with a prolonging optical fiber, the prolonging optical fiber is connected with a testing unit, and the testing unit is connected with a processing unit. The sensing device provided by the invention has the advantages of being capable of carrying out amplification on the collected physical quantity, improving the accuracy of the sensing device combine and prolonging the service life of the signal optical fiber; and the structure is simple, and the sensing device is convenient to use and convenient to popularize and use.

A cooling wall of blast furnace is made up of pure copper and microalloyed steel through combined casting. It has high thermal conductivity, rigidity, high-temp strength and thermal flushing and heat shock resistance. The surface of water tube inlaid in it is plated by Zn or Sn. The inlaid copper part is welded to the cooling water tubes.

The invention provides a compound ejector and relates to a fluid mixing element for fluids. A central ejector of the compound ejector is coaxially arranged in an annular ejector; outlets of the central ejector and the annular ejector are communicated with a main mixing chamber and a main mixing tube; a first main fluid is ejected from the top of the central ejector to an inlet of a central mixing tube through a central nozzle, is utilized to inject a secondary fluid entering into a central mixing chamber from a surrounding inlet at the top of the central ejector into a central mixing tube and is mixed with the secondary fluid; a second main fluid is ejected from a side position at the top of the annular ejector to an inlet of an annular mixing tube through an annular nozzle, is utilized to inject the secondary fluid entering into an annular mixing chamber from an inlet on the side position on the upper part of the annular ejector into the annular mixing tube and is mixed with the secondary fluid; and an ejected fluid at the outlet of the central mixing tube in the main mixing chamber is utilized to inject the ejected fluid at the outlet of the annular mixing tube into the main mixing tube and is mixed for the third time, thereby finishing the mixed fluid conveying in a way that the high-pressure main fluid pumps the low-pressure secondary fluid. The compound ejector is short in axial size and high in pumping and ejecting efficiency.

The invention discloses an air-cooled module for heat transfer temperature uniformization of a fuel cell. The air-cooled module mainly consists of a fuel cell module, fins and a fan system; the fuel cell module comprises an end cap, a membrane electrode, an ultra-thin temperature uniformization plate, a plurality of membrane electrodes and a plurality of ultra-thin uniform temperature plates are alternately arranged, the two sides of each membrane electrode are respectively provided with an ultra-thin uniform temperature plate, and the ultra-thin uniform temperature plate comprises a shell, acavity, a liquid suction core and a working medium; The hollow cavity is arranged in the housing, the hollow cavity is at least protruded from one end of the housing, and the hollow cavity is providedwith a liquid suction core and a working medium; The upper surface or the lower surface of the shell is respectively provided with an air flow channel or a hydrogen flow channel; The overall thickness of the ultra-thin homogeneous temperature plate shall not exceed 3mm; A plurality of fins are installed on the condensing end of the ultra-thin uniform temperature plate. The evaporation end of theultra-thin uniform temperature plate of the invention can separate the reaction gas, collect and conduct the electric current; The heat flux concentrated on the surface of the bipolar plate is rapidlytransferred and diffused to the large area of the condensation surface, which has the effect of uniform temperature and heat dissipation.

The invention relates to a technological method and technological equipment for producing biodiesel from rape seed oil and aims to improve the production efficiency, transformation ratio, composition and quality of the biodiesel and solve the technical problems of low efficiency, poor effect, narrow application range, unavailable continuous operation and the like in the prior art. Key points of the technical scheme are that: catalyst-containing methanol and rape seed oil components are continuously input from the inlet of a reactor according to an appropriate proportion; and the reactor is provided with an oscillating strengthening equipment so as to enhance reaction effect, control product composition and increase reaction speed. After the reaction is finished under appropriate frequency and amplitude, a product flows out from the outlet of the reactor and is separated, rinsed and dewatered. The flow state, retention period, product composition and transformation ratio of a material can be regulated and controlled or laminar flow of the material is achieved by regulating and controlling the piston frequency and amplitude of the strengthening equipment. The strengthening device has high adjustment elasticity, wide application range and capability of meeting various reaction conditions by adjusting the movement velocity, geometry, size and space position of a piston driving mechanism or replacing a baffle plate.

The invention belongs to the technical field of sewage treatment, specifically to a multi-stage diversion SSMBBR sewage treatment system and treatment method. According to the method, main technology including a grid, a regulating tank, a multi-stage diversion SSMBBR sewage treatment system, a filter cloth filter tank and ultraviolet disinfection, which in the multi-stage diversion SSMBBR sewage treatment system includes an anaerobic segment, a denitrification segment, an aerobic segment, a filtration segment and a precipitation segment. A baffler is reasonably added so as to achieve function division, optimize a liquid flow, reduce head loss and prolong the residence time. The treatment effect of the reactor is greatly improved, and the quality of the outlet water is maintained stable.

The invention belongs to the technical field of sewage treatment, in particular relates to a system of treatment of multilevel stream diversion type MBBR sewage and a method of treatment. By the sewage treatment process of the system of treatment of multilevel stream diversion type MBBR sewage, the process of 'grating + regulating reservoir + MBBR sewage treatment system + cloth filter reservoir filter + ultraviolet disinfection' is adopted as the main process, wherein the system of treatment of multilevel stream diversion type MBBR sewage is divided into a denitrification phase, an aerobic phase, a filter phase, and a precipitation phase, by the reasonable additional arrangement of a stream diversion type plate, the function division is achieved, the liquid streamline is optimized, the liquid head loss is reduced, the dwell time is extended, the processing effect of the reactor is greatly improved, and the liquid venting quality is stable on a long-term basis.

A light anti-sliding fabricated comprehensive pipeline support and hanger comprises stand columns, a cross arm, corner connectors and bases. The number of the stand columns is two, and the stand columns are vertically arranged at the two ends of the cross beam and arranged symmetrically. Profile mounting holes are formed in the three side walls of each of the stand columns and the cross beam. Thecorner connectors are attached to the side walls of the stand columns and the cross beam, and the corner connectors cooperate with fasteners to achieve locking and fixing. The bases are arranged at the top ends of the stand columns on the sides and cooperate with the fasteners to achieve locking and fixing. An opening of each profile mounting hole is square. The structure strength of the support connecting structure is higher, safety performance is high, the assembly process is simplified, use of assembly tools is reduced, the bolt assembly rate is increased, the assembly overall attractiveness is high, and use adaptability is high.