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38results about How to "Obvious structural advantages" patented technology

Soaking plate of foam metal and copper powder compounded capillary structure

The invention discloses a soaking plate of a foam metal and copper powder compounded capillary structure. In the technical scheme, a main body is a vacuum chamber which consists of an upper cover and a lower cover, a compounded capillary structure formed by foam metal and copper powder is arranged in the chamber, the chamber is also filled with a certain quantity of working medium which can boil and transfer heat at a low temperature, the upper cover and the lower cover are both made of deoxidized plate, and the compounded capillary structure is formed through sintering a foam metal plate and copper powder of a certain size. Compared with the traditional capillary structure, the compounded capillary structure has the significant advantages of large lower capillary force, small upper osmotic resistance, accurate control of the capillary force, small thermal contact resistance and the like; and the capillary structures of the upper cover plate and the lower cover plate can be designed as a whole, thereby improving the backflow capacity. Compared with the traditional product, the soaking plate of the foam metal and copper powder compounded capillary structure has the significant advantages of low cost, high irradiating efficiency, long service life and the like when achieving the identical irradiating effect.
Owner:SOUTH CHINA UNIV OF TECH

Method for manufacturing tobacco sheet taking substrate as carrier through dry paper making method

A method for manufacturing tobacco sheet taking substrate as a carrier through a dry paper making method comprises the following steps: spraying slurry onto the right side of the substrate through a high pressure spraying method, and meanwhile carrying out negative pressure suction across a wire belt to the reverse side of the substrate; then sending the substrate into an oven and carrying out medium temperature baking and humidity discharging under the condition that the temperature of the substrate is 55 DEG to 70 DEG, and enabling hot air inside the oven to flow directional from the right surface of the substrate to the reverse surface of the substrate to carry out humidity discharging; sequentially, carrying out normal temperature humidity discharging treatment; setting medium temperature baking and humidity discharging time and the normal temperature baking and humidity discharging alternatively; and repeating the steps on the reverse side of the substrate, namely a tobacco sheet is prepared. The substrate is prepared by that scattered material is evenly paved and absorbed onto a formation fabric for dry paper making to form a fiber thin layer under the vacuumpumping of a vacuum air pumping device under the formation fabric, and carrying out antistatic-electricity treatment; and spraying adhesion agent onto a fiber thin layer, under the combination of mist spraying and vacuum take-off on sprayed back surface; and finally carrying out drying.
Owner:CHINA TOBACCO HUNAN INDAL CORP +1

Method for manufacturing remanufactured tobacco base sheets with dry paper-making method

ActiveCN103315376ANo significant emissionsNo pollutionTobacco preparationVacuum pumpingEngineering
The invention discloses a method for manufacturing remanufactured tobacco base sheets with a dry paper-making method. The method comprises the steps as follows: raw materials including cabo and plant fibers are ground and broken into short fibers, and then fed by wind into a forming head box for breaking up; by the aid of the vacuum pumping action of a vacuum evacuating device under a forming net, the broken-up materials are uniformly laid and adsorbed on the forming net for dry paper-making, so that a thin fiber layer is formed; the thin fiber layer is sprayed with an adhesion agent, and a manner combing mist spraying and vacuum drawing of a prayed back surface is adopted; finally the materials are dried and the tobacco base sheets are obtained; an antistatic rope is laid between the forming net and the forming head box and / or between the forming net and an opening of a vacuum box; or / and an antistatic net is arranged between the forming net and the opening of the vacuum box; the adhesion agent comprises chitosan and the like; and the remanufactured tobacco base sheets having higher wet strength stretching-resistant capacity and filling value and good processing performance are prepared with the dry paper-making method successfully for the first time.
Owner:CHINA TOBACCO HUNAN INDAL CORP +1

Aircraft, preferably unmanned

The invention relates to an aircraft (1), preferably an unmanned aircraft (UAV), drone, or unmanned aerial system (UAS), comprising a rigid wing (2), which enables aerodynamic horizontal flight, and at least four rotors (4, 4'), which are driven by means of controllable electric motors (5) and which can be pivoted between a vertical starting position and a horizontal flight position by means of a pivoting mechanism (7), wherein all electric motors (5) and rotors (4) are arranged on the wing (2).
Owner:QUANTUM SYST GMBH

Method for manufacturing reconstituted tobacco substrate by using dry method of paper making

ActiveCN103222676AMake a qualitative leapNo significant emissionsTobacco preparationFiberCarrying capacity
A method for manufacturing a reconstituted tobacco substrate by using a dry method of paper making comprises the following steps: after tobacco stems, plant fiber materials become short fibers by crushing and fiber dissolving, the short fibers are conveyed to forming head boxes to be broken up by wind, and the broken-up materials are evenly laid and adsorbed on a forming net of the dry method of paper making by the vacuumizing effect of an air suction device below the forming net to form a fiber film; an adhesive is added into the fiber film in a spraying manner, wherein a manner combining spraying through mist spray with vacuum suction on the back face of the spraying is adopted; and finally the reconstituted tobacco substrate with a dimensional lattice structure is obtained by oven-drying. Antistatic ropes are laid between the upper part of the forming net and the forming head boxes or between the forming net and openings of vacuum boxes, and / or antistatic nets are laid between the forming net and the openings of the vacuum boxes. According to the invention, dry method of paper making is firstly used successfully to manufacture the reconstituted tobacco substrate which has better wet strength, a stronger tensile capacity, a high load-carrying capacity, a high filling value and an excellent processing capability.
Owner:CHINA TOBACCO HUNAN INDAL CORP

Preparation method of network-like carbon-loaded iron-based compound material and application of network-like carbon-loaded iron-based compound material in lithium-sulfur battery

InactiveCN109755442ADesign raw materials are cheap and easy to getSynthetic method is simpleLi-accumulatorsCell component detailsElectronMaterials science
The invention relates to a preparation method of a network-like carbon-loaded iron-based compound material and an application of the network-like carbon-loaded iron-based compound material in a lithium-sulfur battery, and belongs to the field of electrochemistry; the method comprises the following steps of taking slightly oxidized graphene as a substrate, taking ferric nitrate nonahydrate as an iron source, taking glucose hydrothermal carbon as a carbon source of iron carbide and a pore-forming substrate, taking ammonia gas generated in the high-temperature pyrolysis process of melamine as a nitrogen source of an iron-nitrogen compound, and meanwhile, enabling ammonia to corrode the glucose hydrothermal carbon substrate to generate a net-shaped structure. The method has the beneficial effects that 1) the process is simple, and the product cost is low; 2) the obtained positive electrode material has a rich hole structure and ion and electron transport channels, the conductivity of the material can be improved, and the loss of the polysulfide compound can be effectively inhibited, the stability of the electrode material is remarkably improved, and the electrochemical performance is improved; and 4) the adsorption and catalysis of the polysulfide compound are achieved by utilizing the synergistic effect of the iron carbide and the iron-nitrogen compound, and the catalytic action can be used for accelerating the reaction dynamics of the lithium-sulfur battery, so that the transition of the soluble polysulfide compound to insoluble sulfide is accelerated, and the shuttle effectis greatly inhibited.
Owner:DALIAN UNIV OF TECH

Method for preparing anode material of S-Ni3C/NiO composite lithium-sulfur battery

The invention relates to a method for preparing an anode material of an S-Ni3C / NiO composite lithium-sulfur battery. The method comprises the steps of: firstly preparing a nickel-based metal organic frame (Ni-BTC), then using the nickel-based metal organic frame to prepare nickel carbide / nickel oxide (Ni3C / NiO), and then preparing an S-Ni3C / NiO composite material by compounding the nickel carbide / nickel oxide with sulfur to serve as the anode material of the lithium-sulfur battery. A hollow spherical structure ensures full contact between electrolyte and active substances to provide more oxidative active sites, the nickel oxide with higher specific capacity is obtained at high current density to cooperate with the nickel carbide to improve the electrochemical performance of the lithium-sulfur battery together.
Owner:INT ACAD OF OPTOELECTRONICS AT ZHAOQING SOUTH CHINA NORMAL UNIV

Power transmission tower reinforcing device capable of preventing bending and buckling instability

The invention provides a power transmission tower reinforcing device capable of preventing bending and buckling instability, and belongs to the technical field of iron tower reinforcement. The power transmission tower reinforcing device comprises reinforcing channel steel, a reinforcing steel column, two pieces of reinforcing T-shaped steel and a reinforcing outer connecting plate, wherein the reinforcing outer connecting plate is fixedly connected with two free ends of the reinforcing channel steel separately; the reinforcing outer connecting plate and the reinforcing channel steel are enclosed to form a rectangular cavity for accommodating the reinforcing steel column and the two pieces of reinforcing T-shaped steel; the two pieces of reinforcing T-shaped steel and the reinforcing channel steel are enclosed to form a triangular cavity for accommodating power transmission tower angle steel; and the reinforcing steel column and the reinforcing T-shaped steel are separately positioned at the inner side and the outer side of two limbs of the power transmission tower angle steel. According to the power transmission tower reinforcing device capable of preventing bending and buckling instability provided by the invention, the two pieces of reinforcing T-shaped steel and the reinforcing outer connecting plate are arranged at the outer side of the power transmission tower angle steel, and the reinforcing steel column and the reinforcing channel steel are arranged at the inner side of the power transmission tower angle steel, so that the power transmission tower reinforcing device has a prominent bending and buckling preventing effect, has enough stability, is simple in structure, is simple and convenient to mount, and is low in cost.
Owner:HEBEI HUIZHI ELECTRIC POWER ENG DESIGN CO LTD +3

Superlattice material embedded with quantum wires, preparation method of superlattice material, infrared band luminescent material and detector

The invention provides a superlattice material embedded with quantum wires, a preparation method of the superlattice material, an infrared band luminescent material and a detector. The superlattice material embedded with the quantum wires comprises at least one InAs / GaSb layer and at least one single substance layer which are arranged in a stacked mode. The InAs / GaSb layer comprises an InAs part and a GaSb part, and the single substance layer comprises InAs or GaSb; the InAs portions and the GaSb portions are alternately arranged and have different widths along the arrangement direction. The preparation method of the superlattice material embedded with the quantum wire comprises the step of sequentially growing the InAs / GaSb layer and the single substance layer on the substrate according to the structure. An infrared band light emitting material includes a superlattice material in which quantum lines are embedded. A detector comprises an infrared band luminescent material. According tothe superlattice material embedded with the quantum lines, the quantum lines are introduced into the II-type superlattice to form a line superlattice composite structure, the working temperature of adevice can be improved, and the photoelectric property of the material is improved.
Owner:湖南科莱特光电有限公司

Combined steel structure building template

The invention discloses a combined steel structure building template. The combined steel structure building template comprises templates and supporting rods, and is characterized by further comprising fixed templates, scaling templates, stabilizing rods, stair fixing baffles, stair scaling baffles, footstep retainers, pushing strips and mold detaching rods, wherein the fixed templates and the scaling templates are provided with mold detaching holes matched with the mold detaching rods respectively; every two templates are detachably connected through a buckle; every two footstep retainers are detachably connected through the corresponding pushing strip; the fixed templates, the scaling templates, the stair fixing baffles and the stair scaling baffles are detachably connected through the stabilizing rods respectively, and the positions of each template and each baffle are adjusted by the stabilizing rods; a supporting rod head detachably connected with each supporting rod is arranged at the top end of the supporting rod; a horizontal groove which is used for supporting a template rib to enable the stress on each template to be balanced is formed in the head of the corresponding supporting rod. The combined steel structure building template is convenient and quick to construct, can be recycled, has the good structural advantage, and is suitable for being widely popularized and applied, and wood resources are greatly saved.
Owner:杨漩强

A torsion spring string bionic fishtail rotor suitable for boats

InactiveCN107161307BMake full use of power resourcesAchieve swimming effectPropulsive elements of non-rotary typeCarangidaeEngineering
The invention relates to a torsion spring string bionic fish tail paddle suitable for a ship. The torsion spring string bionic fish tail paddle can realistically simulate the swimming mode of marine animals and fishes, transmission efficiency is improved, and noise is reduced; the number of torsion spring string degree-of-freedom nodes can be arbitrarily designed, the swimming mechanism of a mode of carangidae such as a tuna can be simulated, and the swimming mechanism of a mode of anguillidae such as an anguilla can further be simulated; and the torsion spring string structure is very simple and easy to machine and manufacture. The torsion spring string bionic fish tail paddle comprises a mounting plate, a torsion spring string, a tail body and a tail fin; one end of the torsion spring string is fixedly connected to one end of the mounting plate in the modes of welding or bolt connection or the like, and the other end of the torsion spring string is fixedly connected with the tail fin in the modes of welding or bolt connection or the like; and the torsion spring string covers the tail body. The tail body is made of a flexible material and can be bent, and the area of the tail body can affect the magnitude of thrust.
Owner:SHANGHAI HUYI TECH & TRADE CO LTD

Synthesis method of MnO nanometer material of T1 contrast agent

The invention discloses a synthesis method of a MnO nanometer material of a T1 contrast agent, and relates to a magnetic nanometer material. The method comprises the following steps: mixing trioctylamine with an oleic acid solution evenly; adding manganese acetate powder; dispersing, carrying out heating reaction, and cooling to room temperature; and participating and centrifuging reaction products, and washing, so as to obtain the MnO nanometer material of the T1 contrast agent. The method for preparing the MnO nanometer material of the T1 contrast agent is simple to operate; a reactant is cheap, and low in cost; the reaction is rapidly finished; the required time is short; the synthesis method hardly causes side reactions and high in product yield; energy utilization rate is high; the reaction process is free from generation of harmful substances and is energy-saving and environment-friendly; and the MnO nanometer material has good paramagnetism and T1 contrast effect; r1 value is 2.369mM<-1>s<-1>; and the prepared MnO magnetic nanometer particles are uniform in particle size, have good dispersity and stability, and can be stored for a long period of time after being dispersed in cyclohexane.
Owner:XIAMEN UNIV

Simple construction method of nano carbon shell loaded molybdenum-based heterojunction and application of nano carbon shell loaded molybdenum-based heterojunction in lithium-sulfur battery

The invention discloses a simple construction method of a nano carbon shell loaded molybdenum-based heterojunction and application of the nano carbon shell loaded molybdenum-based heterojunction in a lithium-sulfur battery, and belongs to the field of lithium-sulfur batteries. The molybdenum-based heterojunction coupled nano carbon shell is used as a diaphragm modification material. The molybdenum disulfide / carbon shell material is treated with low-concentration hydrogen peroxide under mild conditions, and molybdenum trioxide heterojunction is generated on the surface of molybdenum disulfide to obtain the molybdenum disulfide-molybdenum trioxide / carbon shell modified diaphragm. The reaction conditions are mild, the preparation method is simple, the obtained product has obvious structural advantages, the two-dimensional heterostructure can accelerate transmission of electrons and ions to provide a large number of catalytic sites, and the two-dimensional heterostructure has strong polarity and can improve the adsorption capacity of polysulfide, so that the electrochemical performance is improved; and in addition, a high-conductivity carbon shell is introduced into the synthesized material, so that electron transmission of the synthesized material can be further increased, and polysulfide conversion is accelerated.
Owner:DALIAN UNIV OF TECH

Horn-shaped antenna transmitting and emitting RF signals in different frequency ranges

The invention provides a horn-shaped antenna transmitting and emitting RF signals in different frequency ranges, and aims at providing an emitter which is simple in structure, easy to process and capable of transmitting the RF signals in different frequency ranges simultaneously. The internal of an external dielectric layer (1) is connected with a metal layer (2), the external dielectric layer and the metal layer are coaxially fixed to the small end of a tapered horn of a metal horn body (4) in the vertical direction, and the external dielectric layer extends along the tapered surface of the metal horn body (4) via a small-end port of the tapered horn to form a horn dielectric layer (3); and the RF signals in different frequency ranges are transmitted to the small-end port of the tapered horn simultaneously via a dielectric body area of the external dielectric layer (1) and a conductor cavity of the metal layer (2) respectively, and are emitted via a dielectric area of the horn dielectric layer (3) and a conductor cavity of the metal horn body (4). According to the horn-shaped antenna, the problem that an RF signal waveguide structure capable of transmitting RF signals in the same frequency range cannot be structurally integrated with the antenna is solved.
Owner:10TH RES INST OF CETC

Safety control chip for transient self-destruction system of memory

The invention discloses a safety control chip for a transient self-destruction system of a memory. The safety control chip comprises a safety control chip substrate and a sliding cavity arranged on the safety control chip substrate, and an energetic sliding block capable of sliding is arranged in the sliding cavity; and the inner side of the sliding cavity is provided with a limiting element mounting hole and a self-destruction chip input line which are matched with the energetic sliding block to work. The safety control chip for the transient self-destruction system of the memory provided by the invention is reliable in acting, simple and small in structure and controllable in energy, can be independently used, can also be effectively compatible with other self-destruction systems, and is plug-and-play. The electrical excitation element and the energy-containing working sequence can be designed separately, and standard products can be selected, so that the electrical excitation element and the energy-containing working sequence have good replaceability. The charging structure containing the energy sliding block and the safety control module can be randomly adjusted according to the self-destruction system, the universality is high, when the self-destruction system faces a flat installation space, the structure has more obvious advantages, and no other better alternative scheme exists temporarily.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY +2

Synthesis and application of high-order superlattice

The invention relates to the field of preparation of multi-dimensional high-order superlattices, and particularly discloses a preparation method of a high-order superlattice, which comprises the following steps of: (1) preparing a vertical heterojunction material; and (2) adding a functional solvent to the surface of the vertical heterojunction material within 2 hours from the vertical heterogeneous combination, so as to obtain the high-order superlattice, the functional solvent is an organic solvent-water homogeneous solution; or an organic solvent-water-alkali homogeneous solution. The research of the invention proves for the first time that the high-order Van der Waals superlattice with various material components and sizes can be used for creating a highly engineered structure, thereby exceeding the traditional lattice matching or processing compatibility requirements.
Owner:HUNAN UNIV

Method for manufacturing reconstituted tobacco substrate by using dry method of paper making

ActiveCN103222676BMake a qualitative leapNo significant emissionsTobacco preparationVacuum pumpingFiber
A method for manufacturing a reconstituted tobacco substrate by using a dry method of paper making comprises the following steps: after tobacco stems, plant fiber materials become short fibers by crushing and fiber dissolving, the short fibers are conveyed to forming head boxes to be broken up by wind, and the broken-up materials are evenly laid and adsorbed on a forming net of the dry method of paper making by the vacuumizing effect of an air suction device below the forming net to form a fiber film; an adhesive is added into the fiber film in a spraying manner, wherein a manner combining spraying through mist spray with vacuum suction on the back face of the spraying is adopted; and finally the reconstituted tobacco substrate with a dimensional lattice structure is obtained by oven-drying. Antistatic ropes are laid between the upper part of the forming net and the forming head boxes or between the forming net and openings of vacuum boxes, and / or antistatic nets are laid between the forming net and the openings of the vacuum boxes. According to the invention, dry method of paper making is firstly used successfully to manufacture the reconstituted tobacco substrate which has better wet strength, a stronger tensile capacity, a high load-carrying capacity, a high filling value and an excellent processing capability.
Owner:CHINA TOBACCO HUNAN INDAL CORP

Top-mounted non-blocking dispersedly-stressed stove

A top-mounted non-blocking dispersedly-stressed stove comprises a stove shell, a decorative cover plate and at least one supporting plate, wherein the shell is provided with a cavity for placing stove burners; the cavity is provided with an opening; the decorative cover plate is placed on the stove shell so as to cover the opening of the stove shell; at least one through hole is formed in the decorative cover plate, and by virtue of the through hole, a top-mounted non-blocking space is formed; supporting structures are arranged on the at least one supporting plate in an extending or connecting manner by virtue of the supporting plate itself; by virtue of the supporting structures, the supporting plate is stressed by the stove shell or the decorative cover plate or the stove burner. The top-mounted non-blocking structural advantage of the top-mounted non-blocking dispersedly-stressed stove is obvious; the safety level is effectively enhanced; the cost is reduced; the top-mounted non-blocking dispersedly-stressed stove is more convenient to produce, assemble, maintain and use; the production and maintenance operation efficiency is greatly improved; panel scrapping and stove burner scrapping which are caused by stress concentration are effectively prevented; the top-mounted non-blocking structure breaks through the conventional bottom-mounted way, leads the epoch-making change in the stove structure, and has a great significance in network sale and after-sale service and convenience of a user experience.
Owner:陈明俊

A hot melt type gas-liquid two-phase heat exchange core structure

The invention relates to a hot-melt type gas-liquid two-phase heat exchange core structure, which includes a first core and a second core, and a plurality of gas flows are provided in the first core and the second core. channel and liquid flow channel; the gas flow channel and the liquid flow channel are 3D spiral channel structures; the extension length directions of the 3D spiral channel corresponding to the gas flow channel and the liquid flow channel are perpendicular to each other; to be heat exchanged After the liquid flows through the liquid channel of the first core, it can flow into the liquid flow channel of the second core through the peripheral guide components; the gas to be heat-exchanged flows through the second core and the first core through the gas channel to complete the gas- Liquid heat exchange. Compared with the existing technology, the heat exchange core in the present invention significantly improves the heat exchange efficiency on the basis of one-time molding, and can greatly reduce the usage rate of materials, and can adjust the gas-liquid ratio according to the demand, which is extremely high. It greatly improves the heat exchange efficiency and reduces material loss, and solves the bottleneck problem that the heat exchange performance of the traditional heat exchange core cannot be improved.
Owner:TONGJI UNIV

An integrated construction method of laminated slabs and floor heating

The invention discloses an integrated construction method of a laminated board and floor heating. The laminated board comprises a board main body, a connection base arranged on the bottom of a first side of the board main body, and a connection upper base arranged on the upper part of the second side of the board main body. The bottom surface of the plate body is provided with longitudinal beam steel, and the longitudinal beam steel is square steel, including a horizontal section in the middle and an obliquely upward connecting section at both ends, and the inlets of the connecting sections at both ends are located at the bottom of the first side of the plate body respectively. and the second side bottom, the top surface of the board body is provided with a groove, the bottom surface of the groove is leveled and fixed with an iron plate, the connection base includes a bottom seat, a bottom reinforcement, the bottom The seat includes a first side plate connected to the bottom of the first side of the plate main body, a bottom plate fixedly arranged on the bottom of the first side plate, a first front baffle and a first rear baffle arranged on the front and rear sides of the top of the bottom plate. The first side plate of the connecting section is provided with a notch which is communicated with the inlet of the connecting section, and the present invention has a simple structure and is convenient to use.
Owner:JILIN JIANZHU UNIVERSITY

Trough-type washing and heating covered box

A trough-type washing and heating covered box comprises: at least one trough container having an open end; a cover reversibly fitted to the top of the rough containers to cover the open end, wherein one side of the cover is fitted with a hinging part for reversing the cover, the cover includes a lower frame, a silicone ring and an upper frame, the upper frame is covered with a seal panel and is placed in an upper frame limiter, and a spindle and an elastic rotator arranged on the spindle are arranged in the hinging part; a hinging block for being fixed to the upper enclosing edges of the trough containers, wherein the hinging block mates with the spindle and the elastic rotator so that the cover is elastically abutted to the hinging block, and reversal damping state of the cover is achieved. The trough-type washing and heating covered box is simple in structure, quick to assemble and operate, good in safety and reliability, greatly lower in manufacture cost, and significant in structural advantage; covering is smooth, noise due to cover opening and closing is effectively decreased, and using is facilitated. Therefore, the trough-type washing and heating covered box is excellent in both economy and technicality.
Owner:中山市逸臣电器科技有限公司

A kind of negative electrode material of lithium ion battery and preparation method thereof

The invention relates to a lithium ion battery negative electrode material with a high specific capacity and a preparation method thereof. The material is a zinc sulfide-zinc selenide composite material based on a zinc sulfide hollow nanosphere structure. The preparation method is to first prepare a zinc sulfide hollow nanometer Then add selenium powder to selenize the surface of zinc sulfide hollow nanospheres by grinding and heating. The present invention introduces zinc sulfide as the negative electrode material, and uses a simple selenization reaction to obtain a zinc sulfide-zinc selenide composite material, which has significant structural advantages and can provide more oxidation active sites to obtain a higher specific capacity, and Has good mechanical properties and cycle life. Zinc sulfide and zinc selenide are used as the active material of the negative electrode material, and the synergistic effect of the two can improve the electrochemical performance of lithium-ion batteries.
Owner:INT ACAD OF OPTOELECTRONICS AT ZHAOQING SOUTH CHINA NORMAL UNIV

A method of reconstituted tobacco leaf base sheet manufactured by dry papermaking method

ActiveCN103315376BNo significant emissionsNo pollutionTobacco preparationVacuum pumpingAntistatic agent
The invention discloses a method for manufacturing remanufactured tobacco base sheets with a dry paper-making method. The method comprises the steps as follows: raw materials including cabo and plant fibers are ground and broken into short fibers, and then fed by wind into a forming head box for breaking up; by the aid of the vacuum pumping action of a vacuum evacuating device under a forming net, the broken-up materials are uniformly laid and adsorbed on the forming net for dry paper-making, so that a thin fiber layer is formed; the thin fiber layer is sprayed with an adhesion agent, and a manner combing mist spraying and vacuum drawing of a prayed back surface is adopted; finally the materials are dried and the tobacco base sheets are obtained; an antistatic rope is laid between the forming net and the forming head box and / or between the forming net and an opening of a vacuum box; or / and an antistatic net is arranged between the forming net and the opening of the vacuum box; the adhesion agent comprises chitosan and the like; and the remanufactured tobacco base sheets having higher wet strength stretching-resistant capacity and filling value and good processing performance are prepared with the dry paper-making method successfully for the first time.
Owner:CHINA TOBACCO HUNAN INDAL CORP +1

Side slope three-dimensional ecological protection and recovery structure

The invention discloses a three-dimensional ecological protection and restoration structure for a side slope. The three-dimensional ecological protection and restoration structure comprises an anchor net rope structure, a water delivery and supply system, a soil storage strip bag and a vegetation community, the top end of a longitudinal supporting rope of the anchor net rope structure is fixedly connected with a side slope through an anchor rod, the longitudinal supporting rope and a transverse supporting rope are combined to form a square-shaped frame, an installation net is bound and fixed to the square-shaped frame, all soil storage strip bags are fixedly connected with the installation net, vegetation communities are planted in the soil storage strip bags, and humidity probes are arranged in the soil storage strip bags. A plurality of transverse water supply and drainage pipes of the water conveying and supplying system are arranged at intervals along the slope, a longitudinal water supply pipe and a longitudinal water collecting pipe are communicated with all the transverse water supply and drainage pipes respectively, the longitudinal water supply pipe is connected with an automatic water pump water storage tank, and the longitudinal water collecting pipe is connected with a water storage tank. The automatic water pump water storage tank is provided with a rainwater sensing device, a water pump and an automatic control system, and the humidity probe is connected with the automatic control system.
Owner:CCCC FIRST HIGHWAY CONSULTANTS

Foldable frame structure applied to portable baby carriage

The invention discloses a foldable frame structure applied to a portable baby carriage, and relates to the field of baby carriages. The foldable frame structure mainly solves the problems that a babycarriage is large in storage size after being folded, storage steps are tedious, and an injection-molded piece is high in production cost and short in service life. The foldable frame structure applied to the portable baby carriage comprises front leg brackets (1), pulling rods (2), back leg brackets (3), a seat board (4), armrest brackets (5) and backrest brackets (6), and is characterized in that the front leg brackets (1), the pulling rods (2), the back leg brackets (3), the seat board (4), the armrest brackets (5) and the backrest brackets (6) jointly form two linked four-connecting-rod folding structures. Locking mechanisms (7) are arranged between the front leg brackets (1) and the back leg brackets (3). A backup plate (8) is arranged on the backrest brackets (6).
Owner:沈阳格乐商贸有限公司

Ultrafine cermet material and preparation method thereof

ActiveCN105734382BImprove toughnessUnique annealing twinHigh densityHardness
The invention discloses a superfine metalloceramics material and a preparation method thereof. The superfine metalloceramics material takes Ti (C, N) as a hard phase; Co of a face-centered cubic structure is taken as a binding phase; a (W, Mo, Ta) C solid solution is taken as a wetting phase; and the preparation method of the superfine metalloceramics material comprises the steps of (W, Mo, Ta) C solid solution preparation, binding phase and wetting phase preparation, vacuum ball milling, metalloceramics powder preparation, moulding, low-pressure sintering and the like. The high-density and high-toughness metalloceramics material is prepared in the invention; the hardness of the material can reach HRA 92.9 in average; the bending strength of the material can reach 2200 MPa on average; and the breaking tenacity can reach 12 MPa.m<1 / 2> on average.
Owner:重庆金锐新材料技术研究院有限公司

A vapor chamber with composite capillary structure of metal foam and copper powder

The patent of the present invention discloses a vapor chamber with a composite capillary core structure of metal foam and copper powder. Its main body is a vacuum chamber composed of an upper cover and a lower cover. There is a composite capillary core composed of foam metal and copper powder in the cavity. The structure is filled with a certain amount of low temperature boiling heat transfer fluid. The upper and lower covers are made of deoxidized copper plates. Composite capillary core structure is composed of metal foam plate and copper powder of a certain size through solid phase sintering. Compared with the traditional capillary core structure, it has significant advantages such as large capillary force in the lower layer, small penetration resistance in the upper layer, precise control of capillary force, and small contact thermal resistance; The capillary core structure of the upper and lower cover plates can be designed as one, which improves the return capacity. Compared with the traditional products, the vapor chamber with the composite capillary core structure of metal foam and copper powder has the advantages of low cost, high heat dissipation efficiency and long service life under the same heat dissipation effect.
Owner:SOUTH CHINA UNIV OF TECH

Method for manufacturing tobacco sheet taking substrate as carrier through dry paper making method

ActiveCN103222677BImprove smoking qualityBreak through the technical bottleneck of easy powder lossTobacco preparationElectricityVacuum pumping
A method for manufacturing tobacco sheet taking substrate as a carrier through a dry paper making method comprises the following steps: spraying slurry onto the right side of the substrate through a high pressure spraying method, and meanwhile carrying out negative pressure suction across a wire belt to the reverse side of the substrate; then sending the substrate into an oven and carrying out medium temperature baking and humidity discharging under the condition that the temperature of the substrate is 55 DEG to 70 DEG, and enabling hot air inside the oven to flow directional from the right surface of the substrate to the reverse surface of the substrate to carry out humidity discharging; sequentially, carrying out normal temperature humidity discharging treatment; setting medium temperature baking and humidity discharging time and the normal temperature baking and humidity discharging alternatively; and repeating the steps on the reverse side of the substrate, namely a tobacco sheet is prepared. The substrate is prepared by that scattered material is evenly paved and absorbed onto a formation fabric for dry paper making to form a fiber thin layer under the vacuumpumping of a vacuum air pumping device under the formation fabric, and carrying out antistatic-electricity treatment; and spraying adhesion agent onto a fiber thin layer, under the combination of mist spraying and vacuum take-off on sprayed back surface; and finally carrying out drying.
Owner:CHINA TOBACCO HUNAN INDAL CORP +1

A kind of additive manufacturing method of gas-liquid two-phase heat exchanger

The invention relates to a method for additive manufacturing of a gas-liquid two-phase heat exchanger, comprising S1: setting the parameters of a powder bed molten metal printer, loading metal raw material powder, loading the 3D model of the gas-liquid two-phase heat exchanger, and printing The density of the output material is more than 95% of the density of the metal used. S2: Print out the bottom plate and baffle components of the gas-liquid two-phase heat exchanger; S3: Print out the sealing wall and the core inside the sealing wall; S4: Print out the cover and the drainage component inside the cover. S5: After printing layer by layer from bottom to top, perform annealing treatment to eliminate thermal stress in the product. After annealing treatment, perform etching or polishing to obtain a finished gas-liquid two-phase heat exchanger. Compared with the prior art, the invention breaks the technical bottleneck of the traditional heat exchanger processing process, the heat transfer area is approximately equal to the material surface area, the material utilization rate is increased to nearly 100%, and the heat exchange area is significantly increased.
Owner:TONGJI UNIV
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