34results about How to "Double role" patented technology

The invention discloses a biomass gasification method. The method requires the steps of drying pyrolysis, combustion deoxidization and gas reforming in the gasification process to be relatively separated and continuously carried out in the same gasification furnace, simultaneously continuously gasification agent is introduced at three points in the whole gasification process and finally the cleanhigh quality product gas is obtained. In the invention, the equivalence ratio of the total gasification agent is 0.2-0.35, and the mass ratio of a first gasification agent, a second gasification agent and a third gasification agent is (0-0.8):(2-3.5):(0.7-1.5). The method controls the temperature and the reaction depth of each subarea in the furnace by controlling the mutual ratio of the biomass materials, the first gasification agent, the second gasification agent and the third gasification agent so as to control the quality of the final product gas. The obtained product gas can be used as the energy or the chemical engineering synthesis raw material gas. The method can generate clean product gas from the biomass, cannot generate secondary pollution and has high carbon conversion rate and simple implementation method.

The invention provides an assembly tool for a low-pressure turbine of an engine. The assembly tool comprises a positioning guide tool and a traction tool, and the positioning guide tool is coaxially connected with a low-pressure turbine shaft. According to the assembly tool, in the assembly process, the traction shaft sequentially penetrates through a core machine, a traction shaft sleeve and a connecting shaft sleeve and extends to the outside of a fan rotor; in the assembly process of the low-pressure turbine, the torsion is applied to the traction shaft from the outside, the traction shaftand the connecting shaft sleeve synchronously rotate, the fan rotor drives the traction shaft to axially move through threads in the rotating process, and then the low-pressure turbine shaft has dualacting force of rotation and axial movement, and a bearing cylindrical roller on the low-pressure turbine shaft is gradually assembled into a bearing outer ring in the rotating process, so that the problem that a cylindrical roller mechanically collides with a bearing outer ring in the existing assembly process is solved.

The invention relates to a modified lithium ion battery positive electrode material coated with a strong electronegative organic matter layer and a preparation method of the material and belongs to the technical field of high-performance battery development. The lithium ion battery positive electrode material is coated with an organic chelating material; ligands on the organic chelating material are in contact with the surface of the positive electrode material; the organic chelating material is prepared by polymerizing at least one of acetoacetic acid ethylene glycol methacrylate, acrylic acid-2-cyanoethyl ester, 4-vinylpyridine, N-vinylformamide, cyanoethyl methacrylate and N-isopropylacrylamide. The preparation method of the positive electrode material comprises the following steps that: an organic chelating material monomer and lithium ion battery positive electrode material powder which are taken according to designed components are put into liquid and are uniformly mixed; polymerization reaction and/or condensation reaction are/is carried out on an obtained mixture; and drying treatment is performed, so that the modified lithium ion battery positive electrode material coatedwith the strong electronegative organic matter layer can be obtained. The battery material is reasonable in component design and simple and controllable in preparation process. The obtained product isexcellent in performance; and the large-scale industrial application of the battery material is facilitated.

The invention provides a traction tool for a low-pressure turbine of an engine. The tool comprises a torque transmission bushing and a traction shaft sleeve, wherein in an assembly process, the traction end of a low-pressure turbine shaft sequentially passes through a core machine, the traction shaft sleeve and a connecting shaft sleeve and extends to the outside of a fan rotor, in an assembly process of a low-pressure turbine, torsion force is applied to a traction shaft outside, the traction shaft and the connecting shaft sleeve rotate synchronously, in the rotation process of the fan rotor,the traction shaft is driven to move axially through threads, so that the low-pressure turbine shaft has double acting force of rotation and axial movement, furthermore, a bearing cylindrical rolleron the low-pressure turbine shaft is gradually assembled into a bearing outer ring during rotation, thus solving the problem of mechanical collision between the cylindrical roller and the bearing outer ring in an existing assembly process.

The invention discloses a multipurpose safe hanger. The multipurpose safe hanger comprises two hanger bodies (1) arranged side by side and two cross rods (2) used for connecting of the two hanger bodies (1); multiple bar rods (3) are arranged between the two cross rods (2), a hook arranged on the hanger bodies (1) is provided with a self-locking device, and the self-locking device comprises a swing rod (4) hinged to the opening of the hook through a rivet. The multipurpose safe hanger has the advantage that clothes and shoes can be hung and dried safely.

The invention discloses a feeding frame of a printed circuit board. The feeding frame comprises a main plate assembly and an auxiliary plate assembly which are arranged right opposite to each other, the feeding frame further comprises side frames symmetrically arranged on two sides of the length direction of the main plate assembly, each side frame comprises cross beams arranged parallel with themain plate assembly, and the cross beams are mounted on the main plate assembly through at least two vertically arranged upright posts; the auxiliary plate assembly is mounted on the cross beams of the two side frames; the opposite sides of the main plate assembly and the auxiliary plate assembly are provided with plate grooves which are opposite to each other, the plate grooves are arranged in the width direction of the main plate assembly and the auxiliary plate assembly in a penetrating mode, and the plate grooves are arranged in equal distance in the length direction; and each upright postcomprises a main upright post and an auxiliary upright post telescopically arranged on the main upright post, and locking mechanisms used for locking and fixing the auxiliary upright posts relative to the main upright posts are further mounted on the main upright posts. The feeding frame has the advantages of being ingenious in structural design, convenient to operate and use, good in universality, high in repeated utilization rate, and beneficial to reducing investment cost.

The invention provides a brain-glioma-targeting therapy gene delivery vector and a delivery system. The therapy gene delivery vector comprises targeting molecules, wherein the targeting molecules comprise active-brain-targeting molecules and cell-penetrating peptides; a vector skeleton, wherein the vector skeleton comprises an amphiphilic copolymer with reduction sensitivity, functionalized phospholipid and cation lipid and forms a hydrophobic core, one end of the functionalized phospholipid is embedded to a hydrophilic end of the vector skeleton, the other end of the functionalized phospholipid is connected with the targeting molecules, one end of the cation lipid is embedded to the hydrophilic end of the vector skeleton, and the other end of the cation lipid is used for being connected with a therapy gene; and a Fe3O4 magnetic target, wherein the Fe3O4 magnetic target is coated in the hydrophobic core of the vector skeleton. The transported therapy gene is effectively released basedon the reduction sensitivity of the amphiphilic copolymer with reduction sensitivity; and the targeting molecules can achieve double actions of crossing blood-brain barrier and targeting glioma cells,and the targeting efficiency can be further increased by combining two kinds of targeting molecules with the Fe3O4 magnetic target.

The invention relates to the technical field of digital communication, in particular to a mud pulse generator. The mud pulse generator comprises a power assembly, an impeller assembly and an impellerspeed regulation load assembly, wherein the power assembly is mechanically connected with the impeller assembly and used for absorbing energy from flowing mud to drive the impeller assembly to rotate,and the impeller speed regulation load assembly is mechanically connected with the impeller assembly and used for regulating the rotating speed of the impeller assembly by changing the load. According to the mud pulse generator, the power assembly directly obtains the energy from the flowing mud to directly drive the impeller assembly to rotate, it is unnecessary to provide a generator in the prior art to supply power to a motor to drive the impeller assembly, and thus the miniaturization of equipment is achieved; and besides, a turbine is adopted in the power assembly, a generator assembly and an electrical load assembly are adopted in the load assembly, rapid regulation of the rotating speed of an impeller is achieved, and a very good foundation is laid for high-speed mud communication.

The invention provides a gas-liquid two-phase discharge device for preparing a carbon nanomaterial, and belongs to the technical field of nanomaterial preparation devices. The gas-liquid two-phase discharge device comprises a discharge cavity for containing liquid, a stock solution cavity, a power supply and a gas charging device; the discharge cavity is communicated with the stock solution cavity, a left electrode and a right electrode which extend into the discharge cavity are arranged on the left side wall and the right side wall of the discharge cavity in a penetrating mode respectively, and the liquid is higher than the distance between the left electrode and the bottom of the discharge cavity and the distance between the right electrode and the bottom of the discharge cavity; the power supply is respectively connected with the left electrode and the right electrode; and the gas charging device is communicated with the left electrode and the right electrode and can be used for charging gas into the discharge cavity. The gas-liquid two-phase discharge device for preparing the carbon nanomaterial is simple in structure, convenient to operate, high in discharge stability, low in product synthesis difficulty, and high in synthesis rate and purity of the carbon nanomaterial.

The invention discloses a novel acupuncture needle modified with a photo-thermal material. The novel acupuncture needle comprises a needle body, and the needle body comprises a needle bar, a needle handle and a needle tip, wherein the needle handle and the needle tip are separately disposed at two ends of the needle bar; and the top end of the needle handle is connected with an infrared generationdevice through a transmission optical fiber, the surface of the needle body is modified with the photo-thermal material, and the photo-thermal material is polyurethane or porous zinc oxide or gold nanorods or black phosphorus nanosheets. The novel acupuncture needle can be heated to 38.8-40.2 DEG C in 5-12 minutes, is relatively stable at the temperature, and has the dual functions of traditionalacupuncture and photo-thermal therapy.

The invention discloses a tapping hole filler and a filling method. The tapping hole filler is composed of an upper layer and a lower layer. The upper layer is prepared from the following raw materials: quartz sand, sintered magnesia, forsterite sand, dead burned high-silica magnesite, waste magnesia bricks and is prepared from the auxiliary materials: a recarburizer and a sintering aid; the lowerlayer is prepared from dolomite sand; during using, the upper layer raw materials are weighted according to the ratio and particle size gradation, first the main raw materials are mixed in a blendermixer for 15-30 minutes, then auxiliary materials are added to the blender mixer, mixing is carried out for 20-30 minutes, and then packing or construction use are carried out. The tapping hole fillerand the filling method overcome the limitations of an existing tapping hole filler such as poor fluidity, low self-opening rate and difficult sintering, and meet the requirements of the steel tappingprocess.

The invention relates to an automatic receiving and releasing mechanism of goods. The automatic receiving and releasing mechanism of goods comprises a goods base, a spring, connecting rods, a mounting plate and a mechanical collision block, wherein the spring is installed on a rotating shaft of the goods base, one end of the rotating shaft of the goods base is connected to a third connecting rod; the third connecting rod is connected to a first connecting rod through a second connecting rod, and the lower end of the first connecting rod is provided with the mechanical collision block. According to the automatic receiving and releasing mechanism of goods provided by the invention, a forced throwing-out and forced taking-in mechanism are added on the basis of the original automatic receiving and releasing mechanism of goods, so that when a goods receiving base is extruded out of a goods channel, the mechanism forces the goods base to be taken back at the same time, and when the spring releases the goods receiving base, the mechanism forces the goods base to be released, thus the mechanism has dual functions. The automatic receiving and releasing mechanism of goods provided by the invention can be applied to the transport of the ship goods and especially some special goods, such as ammunition, spare parts and security items, and can improve the safety and reliability of the whole logistics equipment.