32results about How to "Unique structural features" patented technology

The invention relates to a preparation method of composite catalyst of the titanium silicate molecular sieve and the nano-carbon fiber. The composite catalyst of the titanium silicate molecular sieve and the nano-carbon fiber prepared by the method of the invention has strong bonding force between the active component of the titanium silicate molecular sieve and the nano-carbon fiber. Comparing with the industrial micro-nano TS-1 powder (100-500nm), the filtering quality is significantly improved. In the course of using the TS-1 catalyst, the problem of the solution dispersion and separation can be solved; the method is simple and the application range is wide. The catalytic performance of the made composite catalyst is excellent, and can be used for the cyclohexanone ammoximation, the conversion rate of the cyclohexanone and the cyclohexanone oxime selectivity can both reach over 98 percent.

The invention provides a conductive polymer-graphene nanocomposite material. The conductive polymer-graphene nanocomposite material is formed by a conductive polymer and graphene, and the conductive polymer adopts graphene as a carrier, is dispersed on the surface of the lamellar structure of graphene, and is one of polyaniline, polypyrrole and polythiophene, and cyclosubstituted derivatives and heteroatom-substituted derivatives thereof. The above composite material has high specific surface area, can effectively avoid the agglomeration and adhesion problems of present polyaniline, polypyrrole, polythiophene and other conductive polymer materials, and has the advantages of high adsorption reduction ability and effective improvement of the metal recovery efficiency in the recovery treatment of metal elements in wastes.

The invention discloses an integrated autotrophic synchronous biological denitrification granulation device which comprises an outer barrel arranged on a support.An inner barrel is arranged inside the outer barrel, both a water incoming pipe and an air incoming pipe penetrate the undersurface to extend into the inner barrel, the end of the air incoming pipe in the inner barrel is connected with an aeration head, the top of the outer barrel is connected with a sludge backflow slope, a sedimentation barrel is connected above the sludge backflow slope, an overflow weir is arranged at the upper edge of the sedimentation barrel, a water collection tank is arranged outside the sedimentation barrel, an isolation barrel is arranged at the top of the inner barrel in a sleeved manner, a sludge backflow gap is formed between the isolation barrel and the sludge backflow slope, the top of the isolation barrel is higher than the sedimentation barrel, a second gas-water separation annular baffle is connected on the inner wall of the sedimentation barrel, and a first gas-water separation annular baffle is arranged at a position above the second gas-water separation annular baffle and on the outer wall of the isolation barrel.A circulating device does not need to be added externally, so that energy conservation is realized; granular sludge can be cultured under action of self-circulation, and setting performance is good.

The invention discloses a preparation method of porous aluminum and aluminum alloy with pore structure-variable pores, which comprises: the first step: using soluble chloride or carbonate as filler particles and dividing into several groups according to the particle size, packing into dies in the order of particle size, and incubating at 500-660 DEG C for 30-60 min; the second step: heating an aluminum alloy until molten, keeping the temperature of molten aluminum alloy at 700-820 DEG C, and placing the dies on the pedestal of a sucking disk of a vacuum device (with a pressure of -2 to -40 KPa), and casting molten aluminum alloy in the dies; and the third step: allowing the solidification of molten aluminum alloy, taking out the composite of filler particles and aluminum alloy, and removing the filler particles, to obtain porous aluminum and aluminum alloy with pore structure-variable pores.

The invention belongs to the field of organic compound synthesis and discloses a chelate-type N-heterocyclic carbene palladium compound containing heteroaromatic groups, and a synthetic and immobilization method thereof. The general formula of the compound is represented as follows. In the invention, with a polyfunctional compound amino alcohol as an initial raw material, a cyclization reaction and a condensation reaction are carried out to prepare an imidazole derivative of which an N-substituent group contains hydroxyl groups. The derivative then is subjected to an ionization reaction with a hetero-aromatic hydrocarbon halogenate to obtain a hetero-aromatic and hydroxyl groups di-substituted imidazolium salt. The imidazolium salt is further subjected to a metallization reaction to obtain an NHC-N chelate-type palladium compound. The compound has the activity of a homogeneous-phase N-heterocyclic carbene palladium catalyst, is simple in synthetic method, is high in yield, is easy to separate and is recyclable in catalysis of a C-H activating reaction, is greatly reduced in use cost and has a good application prospect in the field of catalysis.

The invention relates to a special arc-shaped cable deicing hammer. A hammer body consists of a vertical section and an arc-shaped section. The cross sections of the hammer body are square. An included angle formed by the internal sides of the arc-shaped section is a half circumference angle. The diameter of the half circumference angle is larger than the diameter of a cable. A plurality of cones are fixed at the top of the vertical section. A handle is fixed at the vertical section of the arc-shaped section. Compared with the existing striking hammer, since the original cable tangent striking point is increased to a circumferential striking surface, the special arc-shaped cable deicing hammer has the characteristics of high deicing efficiency, unique structure, convenience in use and high practicability.

The invention relates to an ultrahigh pressure triple plunger pump, comprising a machine body, a crank shaft connecting rod type power transmission device and a fluid end generating high pressure. The fluid end comprises a pump body, a pump cylinder, a plunger and a sealing box body. A guide valve, a drainage spring, a discharge valve, a valve seat, an inlet valve and an intake spring are arranged in series between the pump cylinder and the pump body. The pump body is provided with a low-pressure water inlet flow channel and a high-pressure water outlet flow channel. The pump cylinder is provided with a condensed water flow channel. A plunger sleeve is arranged between the pump cylinder and the plunger. A sealing component is arranged between the pump cylinder and the sealing box body. A bearing and a first sealing ring are arranged in the sealing box body. A second sealing ring is arranged between the pump cylinder and the sealing component. Two ends of the valve seat are provided with a third sealing ring and a fourth sealing ring. The pump body is of integral type structure. A group of guide holes with the function of buffering are uniformly distributed at the circumference of the guide valve. The condensed water flow channel is communicated with the low-pressure water inlet flow channel on the pump body. A bracket and sliding block type resetting structure is arranged outside the pump body. As a multi-sealing and resetting structure is adopted, the problems that the sealing of the pump is not good and the assembly and the resetting are difficult are solved.

The invention discloses a combined pollen collector. The combined pollen collector disclosed in the invention comprises a pollen collection system, a pollen collection system and an electric power system which are successively transversely connected; the pollen collection system comprises a hollow shell 1 with openings on three sides, and a pollen collector connected with the lower opening of thehollow shell 1 in a closing manner; the opening on the front end of the hollow shell 1 is detachably connected with the pollen collection system in a closing manner; the opening on the rear end of thehollow shell 1 is detachably connected with the electric power system in a closing manner; a ventilation filter net is arranged inside a shell of the pollen collection system; and the ventilation filter net consists of two-layer structure including a mesh plate 2 and a silk electric power woven fabric 3. The pollen collector not only can conveniently and effectively collect the pollen, but also can disassemble the structure to facilitate the pollen obtaining; and by adopting the ventilation filter assembly capable of effectively filtering the pollen, the pollen can be effectively prevented from entering the electric power system, and the net blockage can be prevented.

The invention relates to a dryer, comprising the components: a drum with a drying cavity, a lint filter used for filtering foreign matters drained out of the drying cavity of the drum and a lint air duct for the air of the lint filter to flow. An air supply fan is arranged and communicated with the lint filter. And the air supply fan, under the drive of a driving motor, ensures the air in the drying cavity to flow through the lint filter. A pressure sensor is arranged to check the pressure difference of the lint filter outside and inside. By receiving the sensor signals sent from the pressure sensor, and under the condition of the pressure difference rising above the standard value, the pollution caused by lint filter blocking can be solved through controlling the driving motor and increasing the controlling part of the rotating number of the air supply fan, ensuring the air in the drying cavity to flow more smoothly, thus improving the performance of the dryer.

The invention discloses a large deformation protector for anti-seismic control damper. The large deformation protector comprises a protecting shell with an open end and a closed end. A connection is connected to the outside of the closed end of the protecting shell. A sliding guide rod is inserted in the open end of the protecting shell and does reciprocating motion in the same. One end of the sliding guide rod is inserted in the protecting shell, and the other end of the sliding guide rod is exposed out of the protecting shell. The end, inserted in the open end of the protecting shell, of the sliding guide rod is fixedly connected with a slide block doing the reciprocating motion in the protecting shell. The middle inner wall of the protecting shell is provided with slide block positioning ribs used for limiting the slide block. An Austenitic shape memory alloy wire is arranged between the slide block and the protecting shell and applied with prestress Sigma p. One end of the Austenitic shape memory alloy wire is connected with the slide block, and the other end of the Austenitic shape memory alloy wire is connected with the closed end of the protecting end. The large deformation protector is unique in construction, novel and reasonable in design, effective in protecting the anti-seismic control damper from failure, reliable in performance and bright in application prospect.

The invention belongs to the field of organic compounds, and relates to a pincer ring enlargement azoheterocyclic carbene-palladium compound. The pincer ring enlargement azoheterocyclic carbene-palladium compound has a structure shown in the specification. The pincer ring enlargement azoheterocyclic carbene-palladium compound disclosed by the invention provides a kind of novel metal catalyst for C-N coupled reaction; when being used for catalyzing the C-N coupled reaction, the pincer ring enlargement azoheterocyclic carbene-palladium compound is short in reaction time, low in use amount of the catalyst, simple to operate and high in catalytic yield; alkali cheap and easy to obtain is used; and a reaction solvent is unnecessary to process.

The invention discloses a forming technology for a steel-plastic composite high- pressure-resistant type PE (Poly Ethylene) electric melting pipe fitting of secondary injection moulding forming. The forming technology has the specific procedures: 1, allowing the surface of a stainless steel sleeve to be subjected to degreasing processing, and then putting into a die I, after the sleeve is heated to the temperature of 100 DEG C, pouring PE hot melt adhesive into the die I by an injection machine to completely cover the stainless steel sleeve; 2, putting a combined unit into a drying oven of the temperature of 105 DEG C for preheating, taking out, putting into a die II, and performing injection moulding forming of a PE main body part; 3, allowing the processed combined unit to be subjected to state adjustment for at least half moth under the nature state; 4, forming an opening on the inner surface of the combined unit in a spiral line manner, embedding resistance wires in the opening, and flattening the inner surface; 5, mounting copper electrodes in electrode holes at two ends of the qualified product. The forming technology greatly improves the bearing capacity of the plastic pipe and realizes favorable welding performance of the pipe.

The invention provides an immobilized microbe and a preparation method and applications thereof, and relates to the technical field of sewage treatment. The immobilized microbe comprises an organic immobilizing carrier and microbes immobilized on the organic immobilizing carrier; and the organic immobilizing carrier comprises carbonized cotton cloth with a mass percentage of 5-100%. The inventionalso relates to a preparation method and applications of the immobilized microbe. Carbonized cotton cloth is added into the microbe immobilizing carrier, comprises gaps for immobilizing microbes, andpromotes the immobilization and strong reproduction of microbes. At the same time, carbonized cotton cloth has an enough performance on absorbing and maintaining water to guarantee the strong reproduction of microbes. moreover, carbonized cotton cloth has the advantages of easy degradation and low cost. The immobilized microbe can be used a fertilizer of compost, a soil improver, a fermentation starter / promoter, a deodorant, a wastewater cleanser, a bathing pool cleanser, a river / lake cleanser, and an air cleanser.

The invention discloses a zirconium-based metallic glass multi-phase composite material and a preparation method thereof. The atom percentage expression formula of the zirconium-based metallic glass multi-phase composite material is as follows: ZraTibCucNisBee, wherein 52<=a<=70, 17<=b<=22, 2<=c<=9, 2<=d<=7, 4<=e<=15, and a+b+c+d+e=100. The preparation method of the zirconium-based metallic glass multi-phase composite material comprises the following steps: selecting a block metallic glass alloy system; according to a phase selection principle, adjusting the components of alloy so that a second phase solid solution of zirconium is separated out at first in the solidification process of the alloy, and a high-hardness third phase is separated out in the subsequent cooling process of the second phase solid solution; melting the alloy components obtained from the first step to form mother alloy by using an electric arc melting method; and melting the mother alloy repeatedly, carrying out gravity casting in a copper-formed mold to obtain the metallic glass multi-phase composite material. According to the invention, the zirconium-based metallic glass multi-phase composite material is high in strength and realizes the good combination of strength and plasticity while the plasticity of the metallic glass is improved.

The invention discloses a method for preparing starch microspheres, which comprises the following steps of: stirring 20 to 70 percent of plant starch emulsion at the constant temperature in the critical temperature of starch gelatinization for 10 to 30 minutes under the action of 2 to 15 percent of water-soluble thickening agent, standing, cooling naturally, removing supernate, washing, and drying to prepare the starch microspheres. The surfaces of the prepared starch microspheres are smooth, the inner part is hollow, one or more nano-scale micropores are distributed on the surface, the wall thickness is uniform, the grain diameter is between 10 and 100 micrometers, and the wall thickness is between 1 and 10 micrometers. The prepared starch microspheres have a simple preparation process and readily available materials, and are widely applied to fields of medicines, cosmetics, food modifiers, printing ink, papermaking and the like.

The invention discloses a ortho-positioned bridged azacrown ether modified phthalocyanin, and a preparation method and application thereof, and belongs to the field of optically functional material preparation. The compound provided by the invention has unique ortho-positioned bridged azacrown ether modification characteristic, and is clear in structure and unique in synthesis route. The compound provided by the invention is a multifunctional molecule which can be taken as both a photosensitive drug and a metal ion spectrum probe. As the photosensitive drug, the photosensitization ability of the compound is high; and as the spectrum probe, the compound can be used for selective identification to Fe<3+> and Cu<2+> ions.

The invention belongs to the field of organic compounds, and relates to a pincer ring enlargement azoheterocyclic carbene-palladium compound. The pincer ring enlargement azoheterocyclic carbene-palladium compound has a structure shown in the specification. The pincer ring enlargement azoheterocyclic carbene-palladium compound disclosed by the invention provides a kind of novel metal catalyst for C-N coupled reaction; when being used for catalyzing the C-N coupled reaction, the pincer ring enlargement azoheterocyclic carbene-palladium compound is short in reaction time, low in use amount of the catalyst, simple to operate and high in catalytic yield; alkali cheap and easy to obtain is used; and a reaction solvent is unnecessary to process.

The invention discloses a coaxial heterogeneous ceric dioxide nanotube-titanium dioxide nanotube array thin film and a preparation method thereof. The thin film disclosed by the invention has a unique nano composite tube structure characteristic; the thickness of the thin film, the diameter of outer tubes and the diameter of inner tubes can be controlled freely according to functional needs; and the thin film has an excellent semiconductor characteristic and high sensitivity, and can be mainly used in fields of oxygen sensors, photoelectric nano elements and the like.

The invention relates to the technical field of medical detection and particularly relates to a sweat lactic acid rapid detection device. The device comprises a flexible substrate layer, an electrode layer, an isolation layer and an electronically monitoring layer. The flexible substrate layer is made of a porous flexible material. The electrode layer comprises a counter electrode, a work electrode, a reference electrode and a reaction chamber. The work electrode comprises a second carbon paste lead, a carbon paste electrode III and a reaction electrode. The reaction electrode comprises an oxidase layer and a three-dimensional graphene composite material layer. The three-dimensional graphene composite material layer is prepared from nanometer TiO2 uniformly dispersed on graphene. The three-dimensional graphene composite material layer has a hollow microsphere network structure having pore size distribution of 20nm-40nm and a specific surface area of 1500 m<2> / g-1650 m<2> / g. The isolation layer is bonded to an insulation layer. The electronically monitoring layer comprises a voltage control unit, a current measurement unit and a data finishing unit. The detection device is free of blood sampling, can continuously monitor and detect the amount of human lactic acid and has the characteristics of high detection sensitivity, strong stability and carrying convenience.

The invention discloses an integrated self-supporting synchronous biological denitrification granulation device, which comprises an outer cylinder arranged on a bracket, and an inner cylinder is arranged inside the outer cylinder; both the water inlet pipe and the air inlet pipe extend into the inner cylinder through the bottom surface, and the inner cylinder The end of the air inlet pipe in the cylinder is connected with an aeration head, the top of the outer cylinder is connected with a sludge return slope, and a sedimentation cylinder is connected above the sludge return slope. There is a sump; the top of the inner cylinder is covered with an isolation cylinder, and a sludge return gap is formed between the isolation cylinder and the sludge return slope. The top of the isolation cylinder is higher than the sedimentation cylinder, and the inner wall of the sedimentation cylinder is connected with a second gas-water separation ring As for the baffle, a first gas-water separation annular baffle is arranged above the second gas-water separation annular baffle and on the outer wall of the isolation cylinder. The device does not need an external circulation device, saves energy, can cultivate granular sludge under the action of self-circulation, and has good settling performance.

The invention belongs to the field of organic compound synthesis and discloses a chelate-type N-heterocyclic carbene palladium compound containing heteroaromatic groups, and a synthetic and immobilization method thereof. The general formula of the compound is represented as follows. In the invention, with a polyfunctional compound amino alcohol as an initial raw material, a cyclization reaction and a condensation reaction are carried out to prepare an imidazole derivative of which an N-substituent group contains hydroxyl groups. The derivative then is subjected to an ionization reaction with a hetero-aromatic hydrocarbon halogenate to obtain a hetero-aromatic and hydroxyl groups di-substituted imidazolium salt. The imidazolium salt is further subjected to a metallization reaction to obtain an NHC-N chelate-type palladium compound. The compound has the activity of a homogeneous-phase N-heterocyclic carbene palladium catalyst, is simple in synthetic method, is high in yield, is easy to separate and is recyclable in catalysis of a C-H activating reaction, is greatly reduced in use cost and has a good application prospect in the field of catalysis.

The invention relates to high-temperature-resistant, anti-corrosion and insulating vapor deposition equipment. The high-temperature-resistant, anti-corrosion and insulating vapor deposition equipment comprises a vapor reaction chamber, wherein the vapor reaction chamber comprises a base, a heat-isolation frame, a gas inlet, a wafer tray and a gas outlet, the base is fixedly arranged at the bottom of the vapor reaction chamber, and the heat-isolation frame is erected above the base and fixedly connected with the base; the wafer tray is arranged on the upper surface of the base, the gas inlet is formed in the top of the heat-isolation frame, and the gas outlet is formed in one side surface of the heat-isolation frame; and the heat-isolation frame is made of modified quartz. The heat-isolation frame is used for isolating a temperature in the reaction chamber, so that normal reaction is guaranteed, meanwhile, energy waste can be reduced, the wafer tray is used for bearing wafers to complete deposition, the gas inlet is used for guiding reaction gas into the reaction chamber, and the gas outlet is used for discharging redundant gas. The high-temperature-resistant, anti-corrosion and insulating vapor deposition equipment is characterized in that the heat-isolation frame in the vapor reaction chamber is improved, so that the vapor deposition equipment can bear higher temperature and is more durable.

The invention discloses a preparation method of porous aluminum and aluminum alloy with pore structure-variable pores, which comprises: the first step: using soluble chloride or carbonate as filler particles and dividing into several groups according to the particle size, packing into dies in the order of particle size, and incubating at 500-660 DEG C for 30-60 min; the second step: heating an aluminum alloy until molten, keeping the temperature of molten aluminum alloy at 700-820 DEG C, and placing the dies on the pedestal of a sucking disk of a vacuum device (with a pressure of -2 to -40 KPa), and casting molten aluminum alloy in the dies; and the third step: allowing the solidification of molten aluminum alloy, taking out the composite of filler particles and aluminum alloy, and removing the filler particles, to obtain porous aluminum and aluminum alloy with pore structure-variable pores.

The invention relates to a preparation method of composite catalyst of the titanium silicate molecular sieve and the nano-carbon fiber. The composite catalyst of the titanium silicate molecular sieve and the nano-carbon fiber prepared by the method of the invention has strong bonding force between the active component of the titanium silicate molecular sieve and the nano-carbon fiber. Comparing with the industrial micro-nano TS-1 powder (100-500nm), the filtering quality is significantly improved. In the course of using the TS-1 catalyst, the problem of the solution dispersion and separation can be solved; the method is simple and the application range is wide. The catalytic performance of the made composite catalyst is excellent, and can be used for the cyclohexanone ammoximation, the conversion rate of the cyclohexanone and the cyclohexanone oxime selectivity can both reach over 98 percent.

The invention discloses an aluminum and vanadium co-doped double-layer porous wall titanium alloy nanotube array visible light catalyst and its preparation method and application. The double-walled nanotube array has a special morphology with a porous inner wall and a smooth outer wall. The mass percentage chemical composition is: aluminum: 3.05~6.01%, vanadium: 2.35~2.87%, oxygen: 20.14~30.83%, and the rest For titanium. The invention has a regular independent tube wall array structure, a special morphology with porous inner walls and smooth outer walls, good visible light response, fast electron transmission channels and greater adsorption performance. Its visible light catalytic performance is significantly enhanced compared with pure titanium nanotube arrays. The invention has great potential in terms of sunlight utilization efficiency and photogenerated electron hole separation ability, and can be widely used in photocatalysis and photoelectrocatalytic wastewater treatment, air purification and other aspects.

The invention discloses a zirconium-based metallic glass multi-phase composite material and a preparation method thereof. The atom percentage expression formula of the zirconium-based metallic glass multi-phase composite material is as follows: ZraTibCucNisBee, wherein 52<=a<=70, 17<=b<=22, 2<=c<=9, 2<=d<=7, 4<=e<=15, and a+b+c+d+e=100. The preparation method of the zirconium-based metallic glass multi-phase composite material comprises the following steps: selecting a block metallic glass alloy system; according to a phase selection principle, adjusting the components of alloy so that a second phase solid solution of zirconium is separated out at first in the solidification process of the alloy, and a high-hardness third phase is separated out in the subsequent cooling process of the second phase solid solution; melting the alloy components obtained from the first step to form mother alloy by using an electric arc melting method; and melting the mother alloy repeatedly, carrying out gravity casting in a copper-formed mold to obtain the metallic glass multi-phase composite material. According to the invention, the zirconium-based metallic glass multi-phase composite material is high in strength and realizes the good combination of strength and plasticity while the plasticity of the metallic glass is improved.