30results about How to "Solve the difficulty of production" patented technology

The invention provides a photographic fixing device which includes a heating element and a roller, the heating element is arranged for emitting heat energy, and the roller comprises a hollow tube body and an air turbulence structure. The hollow tube body is annularly arranged on the outer side of the heating element, and at least partially coats the heating element, an annular region is defined between the hollow tube body and the heating element, and the air turbulence structure is formed on the inner wall of the hollow tube body, and is arranged for disturbing air to convect in the annular region during rotation of the hollow tube body to promote heat transfer efficiency of heat transfer to the hollow tube body, so that the effects of improvement of the heat transfer efficiency and homogeneous temperature distribution of the roller surface can be achieved so as to effectively reduce the power wattage and energy consumption of the heating element.

The invention relates to a maintenance device for a moderator reflector plug-in, in particular to a maintenance device for a moderator reflector plug-in mounted in an underground helium container. According to the maintenance device for the moderator reflector plug-in mounted in the underground helium container, the moderator reflector plug-in which is mounted in the underground helium container, is not assisted in operation by any manipulator in the whole journey, and has extra large, overweight and superstrong radiation can be maintained in a segmented manner. The maintenance device comprises a lifting lead tank, a three-axis platform, a lifting appliance, a long-handle tool, a maintenance tool, a monitoring device, a display device and a storage lead tank. The maintenance device and a method are adopted to maintain the moderator reflector plug-in, and the problems of manufacturing of an extra large lifting shielding container, bearing difficulties of a crane, construction of large type aftertreatment maintenance areas like a volume shrinking maintenance area, development of radiation-resisting volume shrinking tools and the like are solved; meanwhile, irradiation of workers is reduced, and aftertreatment difficulties like volume reducing are solved; the cost is reduced, and the replacement efficiency is improved; and what is more important, through the method, an existing heat chamber can be utilized for achieving transferring of a radioactive body among different shielding devices.

The invention discloses a preparation method of a Fe-Cr-Co alloy thin strip magnet, and relates to iron-base alloy containing chromium and cobalt and the preparation method of the Fe-Cr-Co alloy thin strip magnet with Si and / or Ti added. The preparation method includes the steps of preparing raw materials according to the mass percent of (60.5-0.5y+z)Fe-(27.5-x-0.5y-z)Cr-12Co-xSi-yTi, wherein x ranges from 0 to 1.5, y ranges from 0 to 1, z ranges from 0.5 to 2, and x and y can not be equal to 0 at the same time; preparing a Fe-Cr-Co type mother alloy ingot; preparing a Fe-Cr-Co type alloy thin strip; conducting multi-step aging on the Fe-Cr-Co type alloy thin strip to prepare the Fe-Cr-Co alloy thin strip magnet with high coercivity, high practicability and micron-sized thickness. The preparation method overcomes the defects that in the prior art, when thin slices with millimeter-size thickness are prepared, production difficulty is high, cost is high, efficiency is low and product magnetic hardness is low.

The present invention is an ultra-low emissions dust-removal apparatus and an ash removal method thereof. According to the apparatus, a dust removal device is divided into a plurality of filtration chambers, the upper portions of the filtration chambers are communicated with a gas inlet channel and are provided with gas inlet valves, the middle portions of the filtration chambers are communicated with a gas outlet channel and are provided with gas outlet valves, a vertical filtration bag is arranged between two tubesheets, an ash hopper is arranged below the lower tubesheet, and the internal of the filtration bag is communicated with the ash hopper. The ash removal method of the apparatus comprises: closing the gas inlet valve, maintaining the gas outlet valve at the opening state, closing the gas outlet valve after a few seconds, opening the gas inlet valve after a few seconds, closing the gas inlet valve for a few seconds after opening the gas inlet valve for a few seconds, and then opening the gas outlet valve so as to complete the one ash removal period. The apparatus has advantages of simple equipment, low maintenance workload, low operation and maintenance cost, and long filtration bag service life. According to the ash removal process, the pressures on both sides of the filtration bag produce the fluctuation through the opening and the closing of the gas inlet valve and the gas outlet valve so as to make the filtration bag deform and shake to form the self-cleaning type ash removal way having the ash removal effect, such that the operating energy consumption is substantially reduced.

The invention provides a welding bracket. The welding bracket comprises three rectangular base surfaces and seven welding surfaces, wherein the three rectangular base surfaces comprise a first rectangular base surface (1), a second rectangular base surface (2) and a third rectangular base surface (3); the seven welding surfaces comprise a first welding surface (4), a second welding surface (5), a third welding surface (6), a fourth welding surface (7), a fifth welding surface (8), a sixth welding surface (9) and a seventh welding surface (10); and the different welding surfaces are connected with the different base surfaces. The welding surfaces are used for welding the welding bracket to a rear stringer assembly structure, a sill inner plate rear section assembly structure and a rear floor front extension plate assembly structure of a vehicle body, among which gaps exist, so that the gaps among the three assembly structures are filled through the welding bracket provided by the invention. The welding bracket provided by the invention solves the problem that a special-shaped beam is difficult to produce when the special-shaped beam is adopted to fill the gaps in the prior art.

The invention discloses a fiber cutter with wide applicability. The fiber cutter comprises a base, wherein a screw rod is arranged in the middle of the base, a first driving rod and a second driving rod are respectively arranged at two ends of the upper part of the base, a vernier caliper is arranged between the first driving rod and the second driving rod, a moving table is arranged on the screw rod, a fixed plate is movably connected to the moving table, and belts are arranged on the first driving rod, the second driving rod and the moving table; a driving handle is arranged at one end of the base, a shearing table is arranged at the other end of the base, a shearing table cover is hinged to the shearing table, an object falling table is arranged below the shearing table; and the driving handle is connected with the screw rod, a sliding block is arranged between the shearing table and the object falling table, and a shearing knife is arranged on the sliding block. The fiber cutter with wide applicability can precisely and effectively cut fibers with length of more than 0.5mm, and is convenient to use and operate, the shortest cutting length is 0.5mm, and the fiber cutter with wide applicability can meet the cutting requirements of various fibers, fiber bundles and fiber nets.

The invention provides a harmonic mixer with low local oscillator power in an embodiment. The harmonic mixer comprises a mixer diode DC bias circuit and a low-loss local oscillator intermediate-frequency duplexer, wherein the mixer diode DC bias circuit comprises a diode pair (2) composed of two diode junctions, two structurally symmetrical low-loss thin-film capacitors (6), a DC decoupling filter circuit composed of two decoupling capacitors (3), two plate capacitors (4) and two high-capacitance broadband capacitors (5) of a symmetrical structure, and a DC resistance bias network (11); the low-loss local oscillator intermediate-frequency duplexer comprises a local oscillator matching filter (10), a local oscillator input waveguide (8) to a suspended stripline waveguide probe transition circuit (9) and an intermediate-frequency low-pass filter (7), all of which are orderly connected with each other. The harmonic mixer with low local oscillator power is capable of realizing low variable-frequency loss and noise coefficient properties under the condition of low local oscillator power; as a result, the problems of technical indices of the existing solutions and the manufacturing difficult and the cost of a local oscillator frequency doubling chain are solved.

A paper money detection method and a paper money processing device. The paper money detection method comprises: collecting an optical image of paper money (S301), wherein collecting the optical image of the paper money comprises collecting a reflected light image of a first surface of the paper money and a reflected light image of a second surface of the paper money; and according to the reflected light image of the first surface of the paper money, detecting whether a transparent adhesive tape is pasted on the first surface of the paper money, and according to the reflected light image of the second surface of the paper money, detecting whether a transparent adhesive tape is pasted on the second surface of the paper money (S302). The problems in the related art of higher manufacturing costs and assembly difficulty of a paper money processing device can be effectively solved.