30results about How to "Effective stripping" patented technology

The invention discloses a high-power fiber mode stripper comprising a double-clad fiber 1 and a packaging device 2. A coating layer removing fiber 4 is arranged in the middle of the double-clad fiber 1, a multistage adhesive layer 3 is arranged on the coating layer removing fiber 4, a cooling chamber 6 is arranged in the packaging device 2, and the coating layer removing fiber 4 is arranged in the cooling chamber 6. The multistage adhesive layer 3 is composed of adhesive layer units different in refractive index. Compared with the prior art, the high-power fiber mode stripper has the advantages that harmful light such as high-order mode light and residual pump light generated by light in fiber claddings can be effectively stripped through the multi-stage adhesive layer, heat converted from the harmful light is absorbed and brought out through cooling media in the packaging device, bearing capacity of the mode stripper to high-power laser light is improved greatly, and the mode stripper can bear hectowatt laser light, and can be applied to a kilowatt-class or myriawatt-class fiber laser. Meanwhile, safety of the fiber laseris improved to a great degree, and service life of the fiber laser is prolonged greatly.

The invention discloses a chemical stripping method for an optical fiber coating layer. In the invention, a resin coating layer of optical fiber is soaked and dissolved by a mixed solvent containing enpara and ketone, the optical fiber is placed in an ultrasonic oscillation trough filled with alcohol for clearing after soaking and dissolving, and then the optical fiber after being cleaned clearlyis dried by high-pure nitrogen. The invention solves the problem that the prior method is easy to damage the surface of optical fiber quartz to affect the strength and the service life of the opticalfiber. The invention greatly improves the surface quality of the stripped optical fiber, and strengthens the strength of optical fiber grating devices after inscription.

The invention discloses an occlusion tissue stripping method for a three-dimensional ultrasonic image, which comprises the steps of performing segmentation processing on a three-dimensional ultrasonicimage from a sagittal plane direction to obtain a plurality of slices; Carrying out contour key point identification on the plurality of standard slices by adopting a convolutional neural network toobtain key points of the standard slices; Fitting a cross section curve where each key point is located according to the same key point in each standard slice, and determining the key point at the corresponding position in the non-standard slice according to each cross section curve; Connecting the key points of the slices to obtain contour boundaries; And cutting the corresponding slices according to all the contour boundaries to obtain a plurality of cut slices, and synthesizing the cut slices to obtain a target three-dimensional ultrasonic image. The key points of the non-standard slices can be determined through the standard slices, so that the non-standard slices are cut. The invention further provides a shielded tissue stripping system, an ultrasonic detection device and a computer readable storage medium which have the above beneficial effects.

The invention relates to a coaxial cable insulation layer stripping device capable of metering length and belongs to the field of cable processing and production. The coaxial cable insulation layer stripping device is formed by a beam bracket, a weighing bracket device, a hot melt machine support, a hot melt machine, a length measuring and stripping device, a fixation disc support, a motor, a fixation disc, a rotation drum disc, a rolling bearing, a taper rotation drum, a taper plug, a hand-cranking handle, a rotation drum support and a wire clamping rod. The device belongs to the field of cable processing and production. The device can realize real-time length measurement of the stripping cable, thereby reducing length measurement process and saving processing time; the device can realize real-time weighing of the cable to be stripped to record scrap weight, thereby facilitating calculating waste scrap information; by heating the hot melt machine, a hardened insulation layer is subjected to softening processing to enable the insulation layer to be stripped easier.

The invention discloses a catalytic dehydration method for sludge. The catalytic dehydration method comprises the steps of putting the sludge to be treated into a catalytic oxidation device, then, thoroughly mixing the sludge to be treated with an oxidant, carrying out thorough catalytic oxidation under the action of electrocatalysis, and then, carrying out flocculation and pressure-filtration treatment on the sludge subjected to the catalytic oxidation, wherein the catalytic oxidation device comprises a catalytic oxidation chamber, a cathode, an anode and a direct-current power supply, the catalytic oxidation chamber is provided with a material inlet and a material outlet, and the cathode and the anode are connected with corresponding poles of the direct-current power supply and are arranged in the catalytic oxidation chamber; and the sludge to be treated is fed from the material inlet and is output from the material outlet. According to the catalytic dehydration method, secondary pollution is seldom generated, and the efficiency of energy is high; and reactor equipment is small in scale, the floor area is small, the startup and closedown of devices are convenient, and sterilizing and deodorizing actions are obvious.

The invention provides a preparation method of 1-cyano-2-allyl acetate. The preparation method comprises an esterification reaction and distillation. Acrolein cyanohydrin and liquid acetic anhydride are subjected to the esterification reaction in the presence of a catalyst and inorganic acid to prepare a reaction solution containing ACA, an ACA product is obtained after distillation, and the esterification reaction further comprises the step of introducing gaseous acetic anhydride into a reaction system. The invention further provides a preparation device of 1-cyano-2-allyl acetate. Accordingto the method and the device, acetic anhydride is ingeniously divided into two parts to be fed, one part is separated out to serve as acetic anhydride steam which is fed into an esterification reaction tower from the bottom of the tower, heat required by reaction can be provided, acetic acid can be effectively blown off, the esterification reaction can be accelerated through effective removal of acetic acid, and the reaction efficiency is improved. The device is characterized in that a conductivity meter is arranged in the esterification reaction tower to monitor the reaction process on line,so that the timeliness and effectiveness of reaction process control are guaranteed.

The invention discloses a non-woven fabric hot sticking forming device and process in the technical field of hot sticking forming, the non-woven fabric hot sticking forming device comprises a machine shell, an outlet groove is formed in one side of the machine shell, an inner folded plate is arranged in the outlet groove, and a feeding plate is rotatably mounted at the position, close to the outlet groove, of the outer wall of one side of the machine shell through a mounting frame; a storage box is fixedly mounted on the outer wall of one side of the machine shell, a weighing plate is arranged in the storage box, a driving motor is fixedly mounted on the outer wall of one side of the machine shell, and a driving roller is fixedly mounted at one end of an output shaft of the driving motor through a mounting shaft; the inner forming mechanism is arranged inside, materials which do not fall off in time due to hot bonding can be effectively and automatically stripped, the design is reasonable and ingenious, the materials are subjected to effective falling treatment after hot bonding forming, the function is powerful, the problem that the materials adhere to a plate face after hot bonding is effectively solved, and the service life of the materials is prolonged. And stable proceeding of subsequent work is ensured.

The invention provides a linear polarization quasi-continuous fiber laser and relates to the technical field of laser. In order to solve the problems in the prior art, the laser comprises an electric control driving module, a linear polarization laser module and a laser amplification module, and the electric control driving module comprises a direct current power supply DC, a resistor R1, a resistor R2, a resistor R4, a resistor R5, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C7, a capacitor C8, a capacitor C9, a capacitor C10, a capacitor C11, an MOS tube MOS1, an MOS tube MOS2, a feedback amplifier U1 and a feedback amplifier U2. The linear polarization laser module comprises an indicator light device, N pump lasers, a first polarization-maintaining beam combiner, a polarization-maintaining high-reflection grating, a first polarization-maintaining gain optical fiber, a polarization device, a polarization-maintaining low-reflection grating and a first stripper, and the amplification module comprises M pump lasers, a second polarization-maintaining beam combiner, a second polarization-maintaining gain optical fiber and a second stripper.

The invention discloses a bamboo tea base processing machine and a bamboo green tea preparation method. The machine comprises a machining table, a chuck, a reciprocating displacement mechanism, a knife rest and a scraper, wherein the chuck is rotatably installed on the machining table and used for clamping bamboos, the reciprocating displacement mechanism is installed on the machining table and located in front of the chuck, the knife rest is installed on the reciprocating displacement mechanism and located in front of the chuck, the knife rest is pushed by the reciprocating displacement mechanism to reciprocate back and forth on the machining table, the scraper is installed on the knife rest, and a knife edge of the scraper faces the bamboos. The bamboo tea base processing machine can effectively strip bamboo green as a tea base, and is fast and efficient in processing; the preparation method comprises the following steps of step 1, taking bamboos of 1-2 ages, performing thorough cleaning, and performing airing for standby application; step 2, peeling off the skin of the washed and aired bamboos by adopting the bamboo tea base processing machine of any one of claims 1-7 to obtaina bamboo tea base; step 3, cutting the bamboo tea base into sections, and carrying out drying in the air to obtain bamboo tea; the preparation method is simple and feasible and can be widely popularized.

The invention discloses a method for extracting and separating baicalin from mixed micelles, and belongs to the technical field of extraction and separation of natural products. The method mainly comprises two steps of I, effectively extracting baicalin with the mixed micelles formed from a nonionic surface active agent Genapol X-080 and a Gemini surface active agent 16-5-16; and II, performing purification and reverse extraction on the baicalin in the micelles by a "like dissolving like" principle, and lowering the temperature for crystallizing to obtain baicalin solids. The mixed micelles have good transmission capacity for polyhydroxy containing baicalin. Compared with a conventional solvent extraction method, the organic solvent used by the method and the acid water content are lower,and a green chemistry purpose is met. The purity of the baicalin obtained by separation by the method is as high as 92.4%, and the baicalin has high practical application value.

The invention discloses a hard flesh jackfruit peeling device. The hard flesh jackfruit peeling device comprises a bracket, a driving mechanism and a peeling mechanism, wherein the bracket is formed by mounting an upper plate, a middle plate and a lower plate on four iron rods; the driving mechanism is simultaneously mounted on the upper plate, the middle plate and the lower plate; a side plate isarranged between two iron rods on the side surface; and the peeling mechanism is mounted on the side plate. The hard flesh jackfruit peeling device is exclusively used for peeling hard flesh jackfruits, is convenient in operation, can effectively peel the outer skin of the hard jackfruits, cannot damage the flesh of the jackfruits, and is convenient for people to eat the flesh of the hard flesh jackfruits.

The invention discloses a clearing device for removing a PTFE seal tape on an angle valve. The clearing device comprises a cleaning barrel, four screw rods, a support, four brushes and four double-layer sleeves; a motor is arranged in the cleaning barrel, four first through holes are formed in the barrel wall of the cleaning barrel, each first through hole is internally provided with a bearing, and a positioning cylinder is arranged in the inner ring of each bearing in a sleeved mode; the four screw rods penetrate through the positioning cylinders; the support is fixedly arranged at the top end of the motor, and the support is of a cross structure formed by two triangular prisms; each brush comprises a fixing plate, a triangular second through hole and a plurality of cleaning teeth, and the fixing plate is slidably arranged at the four ends of the support in a sleeved mode; the four double-layer sleeves are located at the four ends of the support respectively, each double-layer sleevecomprises an inner sleeve and an outer sleeve, each inner sleeve is fixedly arranged at the end of the support in a sleeved mode, one end, close to the barrel wall of the cleaning barrel, of each outer sleeve is provided with a connecting piece, and each connecting piece is provided with a slot directly facing the positioning cylinder. The clearing device can effectively strip the PTFE seal tape off the angle valve, the clearing degree is high, and the residue left after removing the PTFE seal tape can be effectively avoided.