76results about How to "Increased loading area" patented technology

The invention belongs to the technical field of separation membranes, and relates to a preparation method and application of a molecular sieve / organic composite infiltration, vaporization and separation membrane. The preparation method comprises the following steps of: firstly adopting a hydrothermal method to prepare nano-level molecular sieve; putting the synthesized nano-level molecular sieve in a solvent, and dispersing the molecular sieve into uniform molecular sieve suspending liquid through ultrasound, wherein the mass fraction of the molecular sieve in the suspending liquid is 5-15%; uniformly coating the molecular sieve suspending liquid on an organic supporting body; drying the organic supporting body at the temperature of 20-60 DEG C to form a molecular sieve membrane; and repeating the coating for 2-4 times. Surface modification is performed on the organic supporting body by adopting methods such as plasma induction, silane coating and the like to modify the surface hydrophily. The method can be used for preparing a large-area molecular sieve / organic composite membrane; a prepared membrane can be assembled into a spirally coiled component; and the preparation method is beneficial for industrial magnification, and has a higher industrial application value. A better separation effect can be achieved when the prepared molecular sieve / organic composite membrane is used for the infiltration and vaporization of an organic water solution system.

An engagement fixture of a shoulder belt is connected to and supported by an engagement buckle disposed in a vehicle interior. When a platform is positioned in a getting in / out position in a vehicle exterior, the engagement fixture of the shoulder belt can be temporarily connected to a temporary fastening fixture provided to the platform. To the contrary, when the platform is positioned in a loading position in a vehicle interior, a connection condition of the engagement fixture of the shoulder belt can be changed from a temporary connection of the fastening fixture to a securely supportable connection of an engagement buckle in the vehicle interior. Thus, it is possible to simplify a belt attaching operation after a wheelchair is loaded in a vehicle while a columnar support member used in the conventional platform is abolished.

The invention discloses a honeycomb type low-temperature flue gas denitrification catalystpowder and a preparing method thereof.The honeycomb type low-temperature flue gas denitrification catalyst powder is prepared from, by mass, 3.0-5.0 parts of vanadium oxide, 3.5-5.1 parts of molybdenum oxide, 0.1-1.0 part of tungsten oxide, 0.1-3.0 parts of manganese oxide, 0.01-0.1 part of phosphorus oxide, 0.01-0.05 part of boric oxide, 0.1-1.0 part of copper oxide and 84.75-92.68 parts of titanium dioxide.The preparing method comprises the steps that firstly, an active component solution is prepared; secondly, a catalyst is loaded with an impregnation method; thirdly, the consistent honeycomb type catalyst is prepared through extruding forming.According to the honeycomb type low-temperature flue gas denitrification catalyst powder and the preparing method thereof, the activity and catalytic capability of the low-temperature flue gas denitrification catalyst are effectively improved, the denitrification efficiency can reach 38% at 120 DEG C and reaches 95.1% at 210 DEG C, high industrial application value is achieved, and the honeycomb type low-temperature flue gas denitrification catalyst can be widely applied to NH3 selective catalytic reaction of nitric oxide in flue gas.

An engagement fixture of a shoulder belt is connected to and supported by an engagement buckle disposed in a vehicle interior. When a platform is positioned in a getting in / out position in a vehicle exterior, the engagement fixture of the shoulder belt can be temporarily connected to a temporary fastening fixture provided to the platform. To the contrary, when the platform is positioned in a loading position in a vehicle interior, a connection condition of the engagement fixture of the shoulder belt can be changed from a temporary connection of the fastening fixture to a securely supportable connection of an engagement buckle in the vehicle interior. Thus, it is possible to simplify a belt attaching operation after a wheelchair is loaded in a vehicle while a columnar support member used in the conventional platform is abolished.

The invention belongs to the field of membrane separation and particularly relates to a preparation method for inorganic / organic high polymer composite permeable vaporization membrane taking molecular sieve materials as a separation layer and an organic high polymer microfiltration membrane as a support body. The composite membrane can use permeable vaporization to enable organic matters in organic systems such as alcohols, ketones, amines and the like to pass through preferentially, so as to achieve the separation of organic matters and water.

The cement soil pile expanding pile includes cement soil pile body and axial core rod and features diameter expanding sections with increased cross section area in pile end and / or pile body. The expanded sections may be supported or suspended inside the soil layer with best soil quality to increase pile end resistance and side friction resistance, raise the pile bearing capacity, avoid pile deposition, control deformation of foundation and ensure the safety of building. The present invention has wide application range.

The present disclosure provides a mounting device for mounting an object to a vehicle. The vehicle has a tailgate and the mounting device comprises a mount for mounting the object to the mounting device. The mount comprises a rigid member on which the in use the object is mounted. Further, the mounting device comprises a coupling for coupling the mount to the tailgate of the vehicle. The coupling is arranged for removably coupling to the tailgate of the vehicle without requiring a structural modification of the tailgate.

The invention provides a pervaporation hybridigation composite film, which consists of a separation layer and a support layer, wherein the separation layer is a mixture of hydrophilic NaA (naphthaleneacetic acid) and PVA (polyvinyl acetate). The pervaporation hybridigation composite film has the advantages that the separation performance is good, in addition, the mechanical intensity is high, the materialization stability is good, the preparation process is simple, the large-area preparation is easy, the further amplification is favorably realized, and the industrial production is finally realized. The invention also provides a preparation method of the composite film and application to the separation of mixtures of organic matter and water.

The invention provides a preparation method of a ferrothiofluorine or chloride modified three-dimensinoal graphene composite material. The method comprises the following steps: dissolving ferric nitrate and polyvinylpyrrolidone into deionized water, and stirring to prepare a mixed solution; putting the obtained mixed solution into a drying box, drying, grinding into powder, and performing high-temperature treatment under the protective atmosphere to obtain an iron carbide nanoparticle modified three-dimensional porous nitrogen doped graphene composite material; performing oxidation, vulcanization, fluorination or chlorination treatment on the obtained iron carbide nanoparticle modified three-dimensional porous nitrogen doped graphene composite material at different temperature to obtain aferric oxide, sulfide, fluoride or chloride modified three-dimensional graphene composite material. The method provided by the invention is simple in process, low in cost, short in production cycle and capable of realizing large-scale preparation; the obtained three-dimensional graphene has high load area and has wide application prospect in the fields of energy storage, catalysis and the like.

The invention provides ceramic dust removal equipment for tobacco cutting and process. The equipment mainly comprises an ash hopper, a ceramic membrane integration assembly, a shell, a guide plate, a blowback device and an air purification chamber. During dust removal, dust-containing gases uniformly enter the shell by virtue of the guide plate and are purified by ceramic membranes under the action of an induced draft fan, and the dust is retained on the surface of the ceramic membranes. When the pressure rises to a set value for blowing back, blowback gases disperse in each membrane pipe in a membrane assembly for performing reverse pulse ash removal. According to the dust removal device, spark entrained dust can be treated, high temperature of 500 DEG C can be borne, and the retention rate of PM2.5 can be 99.99 percent. The device disclosed by the invention is compact in structure, high in dust removal precision, spark-resistant, high-temperature-resistant, acid and alkali resistant and long in service life, has high applicability to tobacco cutting and other sparked dust-containing gases and can be used for treating high-temperature flue gas dust in boilers and the like.

The invention discloses a corrugation membrane, a spiral membrane component thereof and a filtering method, and belongs to the technical field of tap water deep purification or sewage disposal. A non-woven fabric supporting layer of the corrugation membrane is connected with the face of the corrugation membrane. A corrugation radius is arranged on the side face of the corrugation membrane. The lower portion of the corrugation membrane is connected with a water through channel fabric. The lower portion of the water through channel fabric is connected with a flat sheet membrane. Wave troughs of corrugations at the upper portion of the corrugation membrane are water inlet channels. Corrugation holes formed by the water through channel fabric, the flat sheet membrane structure and the corrugation membrane are water through channels. The water through channel fabric is connected with a glue line position. The glue line position wraps the membrane and then is connected with a water through central collecting pipe, the glue sealing position wraps the water through central collecting pipe, and the water through channel fabric, the flat sheet membrane, the water inlet channels and the corrugation membrane wrap the glue sealing position. By adopting the corrugation membrane, the surface of the membrane is machined into corrugations, the area of the corrugation membrane is 1.2-1.5 times that of an ordinary flat sheet membrane, and the filling area of a device can be increased at least by 15-20% under the same space.

The invention relates to a ceramic hollow fibrous membrane filter element component and an assembly with the same. The ceramic hollow fibrous membrane filter element component comprises a plurality of ceramic hollow fibrous membrane tubes, a porous base and a porous cover plate. One end of each ceramic hollow fibrous membrane tube is inserted into a corresponding membrane hole of the base via the porous cover plate, and sealing materials are poured in the ceramic hollow fibrous membrane filter element component. The other end of each ceramic hollow fibrous membrane tube is connected with a corresponding hole in the porous cover plate, so that the ceramic hollow fibrous membrane filter element component can be manufactured. The ceramic hollow fibrous membrane filter element component is hermetically fixed into a shell to form the hollow fibrous membrane assembly. The ceramic hollow fibrous membrane filter element component and the assembly have the advantages that large filling areas of ceramic hollow fibrous membranes can be maintained, ceramic hollow fibers can be sealed, the strength of the hollow fibrous membranes can be improved, and the application field of the hollow fibrous membranes can be expanded.

The present invention discloses a method of asynchronous cascade. The method of asynchronous cascade comprises the steps of setting and storing the parameters of a display screen; setting the concrete addresses of the receiving cards in the display screen and storing the data in an asynchronous control system; sending the played content to sending cards; using the sending cards to transmit the played content to the corresponding receiving cards via ports, and using the display screen to play after the receiving cards receive data. By the method of asynchronous cascade provided by the present invention, the display screen is large in loading area and high in refresh rate, and is convenient to install.

The present invention describes a wind turbine comprising a hub, at least one blade and at least one pitch bearing to connect the at least one blade to the hub, the at least one pitch bearing comprising at least an inner ring and an outer ring, and at least a rolling race, wherein the wind turbine further comprises at least a tensioning system configured to exert a radial compression force to at least a part of the outer ring of the at least one pitch bearing, thus increasing the resultant stiffness of the at least one pitch bearing.

Disclosed are an ultrahigh-pressure sodium hypochlorite generator and a preparation method of sodium chlorate. The ultrahigh-pressure sodium hypochlorite generator comprises a shell with a water inletand a water outlet, a plurality of cathode pressing plates and a plurality of anode plates which are sequentially stacked at intervals are arranged in the shell, and the cathode pressing plates and the anode plates are provided with center holes. A center shaft penetrates through the center holes to position and press the cathode pressing plates and the anode plates to form a disc type structureand block the cathode pressing plates and the anode plates at the positions of the center holes. Strong brine enters from the water inlet, sequentially flows back between the cathode pressing plates and the anode plates to form a passage and flows out from the water outlet. The reaction mass transfer efficiency and the reaction path are increased by utilizing the disc type design, and the reactionefficiency of sodium hypochlorite production is improved; the electrodes adopt a cathode and anode staggered lamination mode, so that the reaction efficiency is enhanced; and the reactor shell and the internal electrodes adopt a high-pressure sealing mode, so that the dissolution rate of chlorine can be effectively improved, and chlorine leakage is avoided. The method has good sodium hypochloriteproduction capacity, and can significantly improve the concentration of sodium hypochlorite in water.

The invention discloses a porous adsorption supported light-catalyzed reaction film and a preparation method and application thereof. The preparation method comprises the following steps: after mixinga polydimethylsiloxane prepolymer with a curing agent, adding pore-forming particles for curing, and then removing the pore-forming particles to obtain a porous polydimethylsiloxane substrate material; after uniformly mixing a binder and nanometer titanium dioxide to obtain a photocatalyst mixed solution; pouring the photocatalyst mixed solution onto the porous polydimethylsiloxane substrate material, and heating to remove a solvent for dissolving the binder, thereby obtaining the porous adsorption supported light-catalyzed reaction film. The light-catalyzed reaction film prepared in the invention has the effects of large specific surface area, good adsorption performance, high catalytic efficiency, stable performance, easy recycling and the like. When the light-catalyzed reaction film isapplied to degrading organic matters, killing bacteria and adsorbing inorganic ions, the bacteria can be killed efficiently, and the organic matters or inorganic ions can be adsorbed and degraded.

The invention relates to a construction method of a BAF (biological aerated filter), the BAF and a method for treating water by using the BAF. The construction method comprises the steps as follows: backwashing water of the BAF is collected and concentrated at the low temperature, then, the concentrated solution is subjected to primary low-temperature acclimation culture, and a proliferation culture solution is obtained; the proliferation culture solution is added to the BAF for airtight aeration treatment; then, source water is introduced into the BAF for secondary low-temperature acclimationculture. In the constructed BAF, the ecological niche advantage of low-temperature nitrifying bacteria in the system is outstanding, and ammonia-nitrogen pollution to the source water at the low temperature stage is effectively controlled. The BAF is stable in operation, low in energy consumption, applicable to both low temperature stage and normal temperature stage and high in ammonia nitrogen removal rate; the BAF is applicable to treatment of source water with ammonia and nitrogen as main pollutants at the low temperature and the treatment safety of drinking source water is guaranteed. Theproblem of high difficulty in removing ammonia and nitrogen with a drinking water treatment process in winter, particularly at the low temperature in the north is solved.

Provided is a disc-type electrocatalytic water treatment device. The disc-type electrocatalytic water treatment device comprises a casing with a water inlet and a water outlet, wherein a plurality ofcathode pressure pressing plates and anode plates which are sequentially stacked in a staggered mode are arranged in the casing, central holes are formed in the cathode pressing plates and anode plates, and a central shaft penetrates through the central holes to position and press the cathode pressing plates and the anode plates so as to form a disc-type structure and isolate the cathode pressingplates and the anode plates at the central holes; and when to-be-treated wastewater is introduced from the water inlet, the wastewater sequentially flows there and back among the cathode pressing plates and the anode plates so as to form a passage and flow out of the water outlet. The disc-type design is utilized to increase the reaction mass transfer efficiency and the reaction path, and the reaction efficiency of electrocatalytic oxidation is improved; since a cathode-anode staggered stacking mode is adopted by electrocatalytic electrodes, the electrode placement density is increased, and thus the reaction efficiency is increased; and it is shown by results of salt-containing industrial wastewater treatment that the method has good electrocatalytic oxidation ability, the removal efficiency of chroma, ammonia nitrogen and COD in high-salt wastewater can be improved significantly, and effluent can reach the comprehensive first-level discharge standard of the wastewater.

The invention discloses a hydrogen production reactor taking honeycomb SiC ceramic as a catalyst carrier. The reactor comprises an upper cover plate, a lower cover plate, an evaporation plate, a firstcatalytic combustion plate, a second catalytic combustion plate, a reforming chamber upper cover plate, a methanol steam reforming plate and a reforming chamber lower cover plate. Bolts pass througheach plate and are tightly connected; the upper and lower cover plates are provided with reactant inlet and outlet pipes; the evaporation plate is provided with a serpentine flow passage as an evaporation chamber; the first and second catalytic combustion plates are provided with parallelogram grooves as combustion chambers; the reforming chamber upper cover plate and the methanol steam reformingplate are provided with rounded rectangular through grooves, wherein the honeycomb SiC ceramics are arranged; reactants alternately pass through each plate and flow into corresponding cavities / groovesto realize hydrogen production reaction. The hydrogen production reactor can improve the orientation and flow uniformity of fluid flow, has the characteristics of high thermal conductivity, good thermal stability, stable chemical performance, large specific surface area and the like, improves the mass transfer and heat transfer performance in the reactor, reduces the pressure loss in the reactor,and enhances the loading capacity of a catalyst.

The invention discloses a building parcel conveying device which comprises a conveying carrier, storage plates are arranged on the two sides of the top of the conveying carrier, buffer pads are arranged in the storage plates, rubber pads are fixedly connected to the surfaces of the tops of the storage plates, and the outer contours of the rubber pads are of a wavy structure. A fixed sliding rail is fixedly connected to the surface of the bottom of the storage plate, a limiting sliding groove is formed in the surface of the top of the conveying carrier, the fixed sliding rail corresponds to the limiting sliding groove, the fixed sliding rail is fixed in the limiting sliding groove, and a handle is fixedly connected to the rear end of the top of the conveying carrier. A non-slip mat is fixedly connected to the outer side of the tail end of the handrail; through the designed storage plate, the storage plate is transversely unfolded to expand the carrying area of the conveying carrier, the buffer pad in the storage plate relieves vibration in the package conveying process, and the rubber pad package with the wavy outline on the surface of the top of the storage plate is placed more stably.

A utility vehicle according to the present invention comprises a chassis; a seat provided on the chassis; a cargo bed provided behind the seat and supported in a freely rotatable manner about a pivot of the chassis so as to be changeable between a dumping position in which a front portion of the cargo bed is raised and a normal position in which the front portion of the cargo bed is not raised; a cargo bed locking mechanism capable of locking the cargo bed positioned at the normal position to the chassis; and chassis side covers for covering at least part of the sides of the chassis in a vehicle width direction. Each of the outer faces of the chassis side covers in the vehicle width direction has a main body portion and a concave portion being recessed inward from the main body portion in the vehicle width direction. The cargo bed locking mechanism is provided inside the concave portion of the chassis side cover.

The invention relates to a hollow fiber zeolite membrane assembly and an organic solvent pervaporation and dehydration technology thereof. The hollow fiber zeolite membrane assembly comprises a hollow fiber zeolite membrane component, a hole plate, a shell, a clamping sleeve, a socket and a sealing end. The invention also provides the organic solvent pervaporation and dehydration technology utilizing the hollow fiber zeolite membrane assembly. An organic solvent takes a gas state or a liquid state form to enter the membrane assembly through the inlet of the organic solvent, permeating component permeates through the hollow fiber zeolite membrane so as to shift through a vacuumizing connector, the organic solvent after dehydration flows out the assembly through the outlet of the organic solvent, a heat transferring medium gets in and out a membrane module membrane assembly through the inlet and outlet of the heat transferring medium, the operation temperature in the hollow fiber zeolite membrane assembly is 30-150 DGE C, and the operating pressure is 0-0.3Mpa. The hollow fiber zeolite membrane assembly provided by the invention adopts building block design, the connection and assembly of the assembly are simplified, the sealing problem of the hollow fiber zeolite membrane in an application process is solved, and the industrialized application of the hollow fiber zeolite membrane is facilitated.

The invention belongs to the field of manufacturing of conveying equipment, and in particular, relates to an inclined conveyor belt. The inclined conveyor belt comprises a driving roller, a driven roller, a rubber belt, bases, a bracket, pressing rollers and an iron plate, wherein the bases and the bracket are used for supporting other parts; and the pressing rollers are uniformly arranged on the iron plate. The inclined conveyor belt further comprises an additional roller, an adjusting bolt and a lifting bolt, wherein the adjusting bolt is connected with the driving roller and the driven roller, and is mounted on the bracket; the additional roller is mounted on the bracket, and is fixed by the lifting bolt; the rubber belt coats the driving roller, the driven roller and the additional roller; the length of the rubber belt is increased through adding the additional roller; the abrasion degree of the rubber belt in unit area is decreased; the replacement frequency of the rubber belt is reduced; the replacement time of the rubber belt is shortened; the conveying efficiency is enhanced; and in addition, the tension of the rubber belt can be timely adjusted to effectively prevent the slippage.

The invention discloses a method of immobilizing enzyme by means of coordination of graphene oxide and metal ions and belongs to the technical field of enzyme immobilization. In the immobilization, transition-state metal ions are coordinated with a carboxyl group on the graphene oxide, and through the coordination, formate dehydrogenase is immobilized. The graphene oxide in a lamellar structure is an excellent immobilization carrier, of which the surface has functional groups, such as epoxy groups, carbonyl groups, carboxyl groups and the like, so that the carrier is large in support area. Through the coordination effect of the metal ions, the graphene oxide is uniformly dispersed and support load of the enzyme is increased. In addition, through a coordination interaction with a histidine label of the enzyme, the enzyme is immobilized on the graphene oxide. The method is simple in processes, has mild preparation conditions and high immobilization rate. The immobilized enzyme is significantly improved in temperature stability, pH stability and repeatedly usage stability, and is high in enzyme activity recovery rate.

The invention belongs to the technical field of electro-catalysis, and particularly relates to a self-supporting composite material and a preparation method and application thereof. The invention provides a self-supporting composite material. The self-supporting composite material comprises a foam titanium carrier, titanium dioxide nanorods vertically growing on the surface of the foam titanium carrier and ruthenium nanoparticles loaded on the surfaces of the titanium dioxide nanorods, the top ends of the titanium dioxide nanorods are in a pyramid shape, and the titanium dioxide nanorods are distributed on the surface of the foam titanium carrier in an array mode. According to the invention, the titanium dioxide nanorods have good stability under the acidic condition, and meanwhile, the stability of the ruthenium nanoparticles can be improved due to the metal-carrier interaction (SMSI) between the titanium dioxide nanorods and the ruthenium nanoparticles. In the invention, the top ends of the titanium dioxide nanorods are pyramid-shaped, and the loading area of the ruthenium nanoparticles is increased, so that the exposure of active sites of the ruthenium nanoparticles is improved, and the catalytic activity of the self-supporting composite material is further improved.

The invention discloses a supported efficient hydrogenation catalyst which contains the following materials in parts by weight: 15-20 parts of pretreatment carrier, 4-7 parts of metal precursor, and 14-24 parts of deionized water, wherein the pretreatment carrier is prepared by performing acid treatment on Na-montmorillonite and assisting with an ultrasound microwave combined effect. The inventionalso discloses a preparation method of the catalyst. The catalyst prepared according to the invention has excellent catalytic hydrogenation performance, the supporting capacity of the metal precursorcan be increased by the pretreatment carrier, and meanwhile, an acid site used for promoting the catalytic performance is introduced, and by mutual match of vacuum impregnation and heat preservationunder protection of a hydrogen atmosphere, clustering of active components is effectively avoided, so as to be beneficial to improvement of the activity of the catalyst; and the catalyst can be used for catalytic hydrogeneration reaction, and is wide in market prospect.

The invention belongs to the technical field of AGV loading vehicles, and particularly relates to a clamping and pushing tool for lengthening an AGV loading vehicle. The clamping and pushing tool comprises a lengthening assembly and a cart matched with the lengthening assembly; the lengthening assembly comprises a mounting base, a bearing plate is detachably mounted on the mounting base, a plurality of connecting rods which are parallel to one another are fixedly connected to the front end of the mounting base, and a pin hole is formed in the front end of each connecting rod; and the cart comprises a frame, a plurality of wheels are rotatably mounted on the lower portion of the frame, and the mounting seat is movably connected to the upper portion of the frame. The problem that a single person cannot replace a tool to transport a large workpiece is solved.

The invention relates to a thin-wall ceramic membrane tube applied to a membrane absorption process, a membrane adsorption method and application thereof, and belongs to the technical field of membrane adsorption. The thin-wall ceramic membrane tube comprises a tube cavity, wherein the tube cavity is formed by a tube wall and the inner side of the tube wall; the equivalent diameter range of the outer wall section of the membrane tube is 4-20mm, and the thickness range of the tube wall is smaller than 3mm; the inner side of the tube cavity is also provided with at least two gaseous conductance porous material sheets which are arranged along the tube diameter direction of the membrane tube; and on the section of the tube cavity, one end of each gaseous conductance porous material sheet is arranged on the inner wall of the membrane tube, and the other ends of the gaseous conductance porous material sheets are mutually in lap joint. The thin-wall ceramic membrane tube provided by the invention is high in mass transfer efficiency, an adsorption effect is greatly improved, meanwhile, the thin-wall ceramic membrane tube has a large filling area and simultaneously can keep good mechanical strength, and equipment investment cost is lowered.