136results about How to "Various processing methods" patented technology

The invention discloses a protective sealing door for an underground refuge chamber. The protective sealing door comprises a door frame and a door plate, wherein the door plate is arranged on the door frame through a rotation shaft; a locking mechanism for locking the door plate on the door frame is arranged on the door plate, a plurality of first reinforcing ribs for reinforcing the strength of the door plate are arranged in the door plate; heat-insulating materials, namely aerogel heat-insulating felts are filled among the reinforcing ribs; at least two annular sealing rings, namely flame-resisting sealing rings are arranged at the joint of the door plate and the door frame; and the periphery of the door plate is locked by the locking mechanism. According to the protective sealing door, the aerogel heat-insulating felts which can bear the temperature of 1,400 DEG C to the maximum are filled in the door plate, so that the door plate can resist high temperature generated during explosion, and the high temperature is insulated out of the refuge chamber; at least two sealing rings which are made of flame-resisting, anti-static, high temperature-resisting and oil-resisting materials are arranged on the contact surface of the door plate and the door frame, so that the protective sealing door has a good sealing effect.

The invention relates to an amino-containing crosslinkable polyether sulfone and a preparation method thereof and applications of a gas separation membrane, belonging to the field of a polymer nanocomposite material. Aiming at solving the problems of compatibility of gas permeability and separating property of the existing gas separation membrane, a membrane formed mixing and casting crosslinkable polyether sulfone with molecular side chain containing phenylamino and allyl, together with pyrrolidone, or a thermal-crosslinked membrane is formed by adding benzoyl peroxide in mixing with N-methyl pyrrolidone and casting can be utilized, in addition, a mixed matrix membrane or mixed matrix thermal-crosslinked membrane can formed by adding a multiwalled carbon nanotube. The amino containing can have hydrogen bond interaction with carboxyl of the carbon nanotube, the carbon nanotube can be more evenly dispersed in polymer, and the two interfaces have good binding power, so that the gas permeability and selectivity of the mixed matrix membrane can be enhanced. The amino-containing crosslinkable polyether sulfone is used for preparing the gas separation membrane and gas separation.

The invention discloses a biological disposing method of effluent through circulating ecological system, which comprises the following steps: 1) predisposing waste water; separating solid from liquid or liquid from liquid; obtaining supernatant; 2) entering the supernatant into serial anaerobic and aerobic disposing disposal; cutting and guiding disposed flow through guide flow or conductive pipe; setting three-phased separating device to reinforce anaerobic disposal; 3) sterilizing the water; 4) pumping or reflowing water from sterilizing device to container; controlling dissolved oxygen density or air aerating time; setting the air cutting and aerating time at 1:0.4-5.

The invention discloses a differential single-frequency interference signal processing device and method with an integrated four-quadrant photoelectric detector. The processing device comprises an interference unit and detection unit; and a photoelectric phase modulator is added to a reference arm. The detection unit consists of a quarter-wave plate, a polarizer piece, a beam expander and an integrated four-quadrant photoelectric detector and is used for detecting interferometric fringes of a measuring beam and a reference beam and generating four paths of interference signals. The photoelectric phase modulator applies a high-frequency sine wave modulation voltage, so that the interference signal becomes a phase generation carrier interference signal including to-be-tested phase information. PGC demodulation is carried out to obtain four groups of orthogonal signals; calculation is carried out to obtain four paths of interference signal phases; and a differential phase change is calculated to measure the displacement, a deflection angle and a pitch angle and compensation is carried out. According to the invention, the non-linear error of the measuring method is reduced; the light intensity interference influence caused by poor performances of an optical element or a mounting error is eliminated; the phase measurement accuracy and stability are improved; the angle measurement precision and the measuring range are increased; and the measurement accuracy of the displacement is improved.

The invention discloses a spinal intervertebral foramen surgery model. The model comprises an artificial spine composed of multiple segments of artificial vertebral bones,an artificial intervertebraldisc located between every two adjacent artificial vertebral bones,an intervertebral disc protrusion simulated object bonded to each artificial intervertebral disc and artificial tissue wrapped on theexterior of the artificial spine; the intervertebral disc protrusion simulated objects are made of viscose fibers and bonded to arbitrary positions of the corresponding artificial intervertebral discs. The intervertebral disc protrusion simulated objects made of the viscose fibers can be glued to appropriate positions outside the corresponding intervertebral discs to simulate different types of intervertebral disc protrusions,and the shape and size of the intervertebral disc protrusion simulated objects can be adjusted according to needs to be better in line with the real state of the human body. Compared with a traditional mode of using corpses or non-dedicated models for training,the model has the advantages that the cost of training doctors can be greatly reduced,the repeatability is excellent,surgical modes are diversified,and the training period can be shortened.

The invention discloses an elastic fabric and a production process thereof. The gram weight of the elastic fabric is 100-120 g/m<2>; the elastic fabric adopts a plain weave structure, the warp tightness is 35-40%, and the weft tightness is 32-38%; the elastic fabric adopts spandex fiber/nylon fiber two-component composite fibers; the mass ratio of spandex fibers and nylon fibers in the spandex fiber/nylon fiber two-component composite fibers is 1:(0.1-0.3); the twist degree of the spandex fiber/nylon fiber two-component composite fibers is 680-750 T/m. The invention also discloses a productionprocess of the elastic fabric. The elastic fabric has good elasticity, a simple preparation method and various processing modes, there are various types of products, and the elastic fabric is suitable for mass production.

The invention provides a treatment method of a positive grid of a lead-acid accumulator and relates to manufacturing of lead-acid accumulators. The treatment method comprises the following steps: heating the positive grid of the lead-acid accumulator to the temperature of 200 DEG C-250 DEG C; then spraying pure tin which is melted at the temperature of 250 DEG C-300 DEG C on the surface of the grid by using 40-50 kPa of compressed nitrogen; and after the double surfaces of the grid are sprayed, naturally cooling. According to the treatment method provided by the invention, a thin layer of pure tin is formed on the surface of the grid after treatment, so that the sulfuric acid salinization time of the grid is greatly shortened, the grid can be well jointed with an active substance, and thecycle service life of the accumulator is improved.

The invention discloses a method for treating wastewater generation during the production of high-purity ultrafine modified calcium carbonate. The method comprises the following steps: performing adjustment, flocculating precipitation, hydrolytic acidification, bio-contact oxidation and bioprecipitation treatment on the to-be-treated wastewater, performing efficient filtration, ultrafiltration andreverse osmosis filtration sequentially to obtain freshwater reused in production, and performing multi-effect evaporation on the obtained strong brine to recover the salt. After the wastewater is treated by the treatment method, the water quality of the wastewater meets the high-standard requirement, the wastewater can be reused in production and waste of water resource is avoided; and pollutants are completely degraded and treated, no discharge is realized, environmental pollution is completely eliminated, the recovered salt can be industrially reused, and the production additional value isincreased. The treatment system provided by the invention is stable in operation, can treat the wastewater generated during the production of the high-purity ultrafine modified calcium carbonate completely and comprehensively, and has positive popularization significance and remarkable application value.

The invention discloses polyaryletherketone containing an indole group and a preparation method of polyaryletherketone. The polyaryletherketone is shown in formula (I). The preparation method includes the following steps: under the protection of nitrogen, adding 4-hydroxyindole, a keto-group-containing difluoro monomer, a bisphenol monomer, a salt-forming agent, a solvent and methylbenzene in a reactor; stirring the mixture evenly, and conducting heating to increase the temperature to 130-140 DEG C for reaction for 3-4 hours; distilling off methylbenzene, and then increasing the temperature to 160-190 DEG C for continuous reaction for 4-6 hours; cooling the materials obtained after the reaction to room temperature, and pouring the materials in deionized water for sedimentation; conducting suction filtration to obtain a solid product, conducting extraction with methyl alcohol, and drying the solid product obtained by suction filtration to obtain polyaryletherketone containing the indole group. The polyaryletherketone containing the indole group is good in thermal stability, relatively high in glass transition temperature, good in solubility and unique in optical property, and can be used in battery diaphragms, optoelectronic devices, electrode materials, inertial confinement fusion film targets and other fields. Please see the formula in the specification.

The invention relates to an allyl-containing polyimide diamine monomer and a polyimide polymer and a preparation method thereof. The invention discloses an allyl-containing crosslinkable polyimide and a preparation method thereof and belongs to the technical field of polyimide preparation. The crosslinkable polyimide with allyl on a side chain is prepared by performing polymerization reaction on 3,3'-diallyl-4-4'-di(4-amino-2-trifluoromethyl phenoxy) biphenyl (DBDA) and 4,4'-(hexafluoroisoproryl) phthalic anhydride (6FDA) as main raw materials, so that a crosslinkable group can be introduced into a main chain structure of the polymer. By adjusting the proportion of a crosslinking monomer, a polyimide material controllable in crosslinking degree can be prepared, so that the allyl-containing polyimide diamine monomer has good processability and relatively good heat stability and mechanical property of a curing material, and therefore, the range of application of the material is enlarged and the application prospect is wide.

The invention provides a full-automatic online labeling machine and a labeling method. The labeling machine comprises a master controller, an information management system, a signal acquisition module, a driving output module, a man-machine interaction module, a power supply module and a label printing machine. Aiming at the disadvantages of like products at present, the full-automatic online labeling machine has the characteristics of high automation degree, wide application range, high efficiency, small volume, capability of setting parameters and the like, and can realize printing, labelingand online integrated function; electric fitting and cable type lead wire tables are imported and two forms of lead wire tables including Word and Excel are edited, screened and saved; the equipmenthas high reliability and has the functions of information prompting and abnormal alarming; a machining process of automatic equipment is simplified and the production efficiency is improved; the equipment is convenient to transport, simple and convenient to operate and convenient to maintain; if a user selects to machine in batches, the number of batch machining sets can be set, and the flexibility and convenience of utilizing the equipment are increased.

The invention provides a novel crystallizable polyether ether ketone resin capable of dissolving side groups containing phthalein and a preparation method thereof, and belongs to the technical field of polymer materials. Under nitrogen protection conditions, mixed bisphenol and a dihalogen monomer of the equimolar ratio are used as a synthetic monomer, toluene or xylene is used as a water-carryingagent, potassium carbonate and/or sodium carbonate 1-1.4 times the total molar amount of a bisphenol monomer is used as a catalyst, and sulfolane or dimethyl sulfoxide is used as a solvent for the reaction. Synthesis is performed at 240 DEG C for 4.5-10 hours. The crystallinity of the resin is 2-40%, and the number average relative molecular weight is more than 30,000. The thermal tensile deformation rate of the resin at 250 DEG C is 0-400%, and the resin can be dissolved in 1,1',2,2'-tetrachloroethane and/or p-chlorophenol. The polyether ether ketone resin has the advantages of strong crystallization capacity, high molecular mass, good tensile performance, strong molecular orientation capability and excellent solubility.

The invention discloses a waterproof soft cable which comprises a cable core. The cable core is formed by twisting three insulating wire cores. A stuffing layer formed by stuffing is arranged in a gap in the cable core. The outmost layer of the cable is coated with a polyurethane elastomer outer protective layer in an extruding mode. Each insulating wire core is composed of a copper conductor and insulating layers sequentially wound on outside the conductor. Compared with an existing waterproof cable, fundamental difference is that an outer protective sleeve is made of a different material, and therefore the waterproof soft cable has the functions of an ordinary waterproof cable, can work normally under the extremely cold condition of low temperature of -40 DEG C and is pressure resistant, anti-abrasion, anti-corrosion and capable of maintaining soft performance.

The invention relates to a ground fracture region shield tunnel based on a back pouring enlarged head type and a construction method thereof. The tunnel comprises a tunnel lining structure composed ofshield tunnel pipe piece linings, back pouring type inner convex enlarged heads are annularly arranged a the two sides on a shield segment circular seam, anchor holes are pre-embedded by the back pouring type inner convex enlarged heads by means of the pipe segment linings, the component overlapping mode is adopted, effective connection with the pipe segment linings is achieved, a special deformation seam is formed at the joint of the inner convex enlarged heads on the two sides of the pipe segment circular seam, the special deformation seam is strictly aligned to the pipe segment circular seam, grouting pipes are pre-embedded on an inner convex enlarged plug, the pre-embedded grouting pipes are strictly aligned to pipe segment grouting holes, a hollow type circumferential water stop is additionally arranged in the special deformation seam, and the seam waterproof capability is improved. The shield tunnel is adopted for directly penetrating through the ground crack region, the inner convex enlarged heads are poured into the shield tunnel, the requirement for stratum large deformation is met, meanwhile, the project quality and surrounding safety are improved, and tunnel construction method continuity and project risk are effectively controlled.

The invention discloses a full-automatic pressure-adjustable disc type grinding machine. The grinding machine structurally comprises foot cups, supporting square tubes, supporting columns, a workbench, a supporting frame, a pressure adjusting device, an air cylinder, a rail, sliding blocks, sliding rails, a mold trolley, a plate, a piston rod, an ejector block, a limiting block, wheels, wheel frames and supporting rods. According to the full-automatic pressure-adjustable disc type grinding machine, the air cylinder and the sliding rails are installed on the supporting frame, the piston rod onthe air cylinder pushes an adjusting box to do reciprocating motion on the sliding rails; a grinding disc is installed at the bottom part of the adjusting box, the to-be-machined plate is placed on the mold trolley so that the plate can be machined left and right by the grinding disc, and the mold trolley is pushed to move on the rail of the workbench so as to machine the plate front and back; themachining method is comprehensive, the whole surface of the plate can be machined, the rotating speed of a gear can be changed by adjusting tensioning of a tension adjusting wheel, and therefore thepressure between the grinding disc and the surface of the plate can be changed.

The present invention discloses a processing method for improving the quality of white tea. The processing method comprises steps of picking, withering in a first stage, rapid freezing in a first stage, enzyme treatment, withering in a second stage, withering post-treatment, rapid freezing in a second stage, drying, etc. The sectional type withering and temperature-controlled drying are used, so that tea leaves slowly complete a material conversion process, the withered leaves are uniform in water loss, various intrinsic biochemical components of the withered leaves change normally, and good white tea quality is formed; the drying is all conducted in a relatively low temperature, besides, from low temperature to high temperature, the drying time is suitable, so that the tea leaves have a unique aroma and taste; after the withering is ended and before the drying process is conducted, the tea leaves are also subjected to a stacking process, so that the tea leaves normally complete necessary physical and chemical changes of contents of the withered leaves, water distribution of each part of the withered leaves is regulated again, and the processing method promotes leaf cells to continue to be oxidized and ensures fresh, sweet, mellow and refreshing white tea quality flavor.

The invention discloses a method for improving the passivation performance of a tunneling oxygen/polycrystalline silicon passivation contact structure. The method comprises the steps of: directly carrying out medium and low temperature heat treatment on the tunneling oxygen/polycrystalline silicon passivation contact structure, or firstly depositing an oxide film on the surface of the doped silicon thin layer of the tunneling oxygen/polycrystalline silicon passivation contact structure, and then carrying out medium and low temperature heat treatment. According to the method, the passivation contact structure can achieve a good passivation effect, and the passivation performance of the tunneling oxygen/polycrystalline silicon passivation contact structure with different passivation levels can be improved; treatment methods are diversified; repeatability is high; required equipment is simple; and the process of the method is completely suitable for the back passivation of TOPCon cells.

The invention relates to a machining method of a three-dimensional pattern-embedded glass cup. The machining method comprises the following steps: (1) manufacturing a cup body; (2) manufacturing a flower-shaped spherical crown; (3) cutting off the set shaped flower-shaped spherical crown in the step (2), and beating a cutting end face of the flower-shaped spherical crown by utilizing a metal tool so as to enable the cutting end face of the flower-shaped spherical crown to form a plane; firing the prepared flower-shaped spherical crown and the cup body manufactured in the step (1) at a high temperature to be combined together, and setting shaping the bottom of the flower-shaped spherical crown by utilizing a metal mold to form a cup bottom; (4) cutting, polishing and washing a cup opening of the cup body machined in the step (3), and drying the opening with fire to enable the cup opening to be smoother; then carrying out a plurality of times of high-temperature annealing on the whole body of the cup body and removing stress to finally manufacture the three-dimensional pattern-embedded glass cup. The machining method of the three-dimensional pattern-embedded glass cup, provided by the invention, is simple in steps; compared with a glass cup prepared by a traditional machining method, the machined glass cup has a multicolored style, the pattern is not worn and the whole body of the glass cup is more transparent and firmer.