31results about How to "Structural diversification" patented technology

The invention discloses a device for producing polyamide 6POY/FDY composite fiber according to a high-speed spinning and confounding one-step method. A cooling device of the device is a gradually-cooling device which is arranged below a spinneret plate. A cross air blow cooling device is arranged below a heater of the gradually-cooling device, the effect of lowering the cooling speed of melt thin flow can be achieved by enabling melt extruded out of the spinneret plate to pass through the cooling device, and yarn bundle cooling is uniform and consistent. An oil spraying device is arranged below the cross air blow cooling device. A stretching heat setting device and a yarn guiding and winding device are arranged in parallel. The stretching heat setting device is used for preparing polyamide 6POY fully-drawn yarn. The yarn guiding and winding device is used for preparing polyamide 6FDY fully-drawn yarn. A winding device is used for compositing 6POY with FDY at the speed ranging from 4000m/min to 5000m/min. The device has the advantages of being short in production process, simple in procedure, low in device production cost, low in energy consumption, high in efficacy, diversified in product structure and good in quality.

The invention discloses a manufacturing method of an electronic product shell. The processed shell comprises a transparent shell and a diaphragm. The manufacturing method comprises the following specific steps: firstly, manufacturing the diaphragm of a release base material; then manufacturing the transparent shell through procedures such as injection molding, hot bending of glass or a composite board, pouring and the like; then attaching the transparent shell to the manufactured release diaphragm; and finally, conducting CNC carving on an attached product, wherein the base material can be selectively reserved or peeled off according to requirements on product characteristics. The method has no requirement on the optical property of the base material, so the base material is not limited by import, problems in material supply can be solved, and cost is greatly reduced; according to the method, the low-temperature thermal-deformation high-stretching base material is selected, so the problems of high stretching, complicated structure, crinkling, bubbles, layering, springback and the like during lamination are solved; and in addition, the middle layer of the diaphragm manufactured by the method is free of a base material, so the transmittance of the product can be directly improved by 7%-9% on an original basis, and an outer shell product is more transparent and more full and dazzling in color and texture.

The invention provides a method for improving quality, reducing cost and improving efficiency of ceramic raw materials prepared from granite stone waste rocks. The method comprises the following steps: multi-stage crushing, laminated crushing, coarse grain pre-selection, pre-grading, partial ore grinding, multi-stage magnetic separation, grading separation, superconducting strong magnetic separation, grading dehydration and the like. The method is a pollution-free and environment-friendly physical technology in the whole process; compared with a traditional process, the comprehensive technicaland economic indexes are obviously improved, high-quality glass and ceramic raw materials with the K2O content of 6-10wt%, the Na2O content of 0.5-3.5wt%, the SiO2 content of 65-74wt% and the Fe2O3 content of 0.15wt% and the whiteness of 60-68 are obtained, the whiteness of the product is improved from 50-53 to 60-68 degrees, the yield is improved from 51-55% to 65-72%, and the treatment capacitycan be improved by 13-18%; the product structure is refined and diversified, and a proper product is provided for material homogenization, energy conservation and consumption reduction in the downstream glass and ceramic industry machining process.

The invention discloses a method of co-producing methyl benzoic acid, methylbenzoyl chloride and phthaloyl dichloride. The method comprises the following steps: (1) continuously introducing xylene, acatalyst and oxygen-containing gas into an oxidizing reactor to react to obtain an oxidized reaction solution; (2) rectifying and separating the oxidized reaction solution to obtain a low-boiling-point component and an initial evaporative tower bottom; (3) rectifying the initial evaporative tower bottom to obtain a methyl benzoic acid product and a tower bottom; (4) carrying out an acylating chlorination reaction on the tower bottom and an acylating chlorination reagent to obtain an acyl chloride reaction solution; and (5) rectifying and separating the acyl chloride reaction solution to separately obtain methylbenzoyl chloride and phthaloyl dichloride products. The method provided by the invention has the advantages of being simple in process, small in equipment investment, green and environment-friendly and good in comprehensive economical benefit.

The invention provides an automobile front wall inner sound insulation pad and a preparation method and application thereof. The automobile front wall inner sound insulation pad comprises a sound insulation cotton layer, a heavy coating, a pedal cushion block and a PU foaming layer which are sequentially arranged in a stacked mode, and the preparation method comprises the following steps of dryingand pressing to form the sound insulation cotton layer for use; drying, adsorbing and forming the heavy coating, adhering the heavy coating to the pedal cushion block, then foaming, adhering the heavy coating to the pressed and formed sound insulation cotton layer, and finally cutting to obtain the automobile front wall inner sound insulation pad. The sound insulation cotton layer, the heavy coating, the pedal cushion block and the PU foaming layer are structurally adopted to solve the problem of single structure, the overall sound absorption and insulation performance is improved, meanwhile,the pedal cushion block is pre-buried during foaming, the sound insulation performance is further improved while supporting is achieved, and wide application prospects are achieved.

The invention discloses a self-lubricating composite coating, a coating preparation method and a product with the coating. The self-lubricating composite coating comprises a plurality of AlSn20Cu layers and a plurality of MoS2 layers which are arranged alternately. According to the self-lubricating composite coating, the MoS2 lubricating layers are introduced into the original AlSn20Cu coatings, so that the coating is diversified in component and structure, the stress of the coating can be effectively reduced, and film-base binding force is increased; and additionally, through introduction of a MoS2 phase, the tribological performance of the coating in the oil-lack and dry-friction environments can be greatly improved while the original lubricating performance of the AlSn20Cu coatings is not changed.

The invention relates to a flat-out concealed outer handle, which includes an outer handle hidden in an outer sheet metal. A base is fixed inside the outer sheet metal. The outer handle is mounted on the base through a handle connecting rod fixedly connected to it. The main link pin is hinged to one end of the main link, the other end of the main link is hinged to one side of the handle link through the first pin, and the base is hinged to one end of the secondary link through the secondary link pin. The other end of the connecting rod is hinged on the handle connecting rod through the second pin shaft, and the second pin shaft is deviated from the first pin shaft. The main connecting rod is connected to the output end of the motor and driven by the motor to rotate around the main connecting rod pin shaft. The auxiliary connecting rod is driven to move around the pin shaft of the auxiliary connecting rod, and the handle connecting rod is relatively fixed by the first pin shaft and the second pin shaft and makes a flat out movement with a radian. In the present invention, through the reasonable setting of the handle, the handle can be flattened out as a whole after receiving the signal, and the structure is more diversified.

The invention, within the technical field of electrical measurement, discloses an intelligent electrical engineering measurement system. The system comprises a solar power supply module, command inputmodule, parameter configuration module, single chip control module, real-time digital simulation module, light measurement module, fault measurement module, display module. The system can obtain clean and efficient solar energy through the solar power supply module, save energy, and be economical and environmentally friendly. The system can be permanently powered to avoid interruptions during electrical engineering measurements; at the same time, the measurement by the fault measurement module is more comprehensive, and the troubleshooting efficiency is improved.

The invention discloses a method for coproducing methylbenzoic acid, methyl benzonitrie and phthalonitrile. The method comprises the following steps: (1) continuously introducing xylol, a catalyst andoxygen-containing gas into an oxidation reactor and reacting to obtain an oxidation reaction solution; (2) conveying the oxidation reaction solution into a primary evaporation tower and carrying outrectification separation; when the content of methylbenzyl alcohol in a tower kettle solution of the primary evaporation tower reaches 0.01 to 0.15 weight percent, stopping rectification, so as to obtain a low-boiling-point component and the tower kettle solution of the primary evaporation tower; (3) conveying the tower kettle solution of the primary evaporation tower into a rectification tower and carrying out rectification; when the content of the methylbenzoic acid in a tower kettle solution of the rectification tower reaches 30 to 90 weight percent, stopping rectification, so as to obtaina methylbenzoic acid product and the tower kettle solution of the rectification tower; (4) mixing the tower kettle solution of the rectification tower and ammonia to obtain a nitrile-containing reaction solution; (5) carrying out rectification separation on the nitrile-containing reaction solution to obtain methyl benzonitrie and phthalonitrile products. The method disclosed by the invention has the advantages of simple technology, few equipment investment, greenness and environment protection and good comprehensive economic benefits.

The invention discloses a four-side display combined frame. The four-side display combined frame is characterized by comprising a first frame body and a second frame body; the first frame body and thesecond frame body are connected through a hinge; the first frame body comprises a first sub-frame and a second sub-frame; the second frame body comprises a third sub-frame and a fourth sub-frame; andthe first sub-frame, the second sub-frame, the third sub-frame and the fourth sub-frame comprise but are not limited to at least two combinations of a photo frame, a picture frame, a mirror frame, aspecimen frame, a blackboard frame and an embroidery frame. According to the four-side display combined frame, four-side content can be displayed through one frame structure, different content can bedisplayed conveniently according to different scene requirements, space is saved, and switching is flexible.

The invention discloses a high-sulfur light distillate and organic heat-carrier raw oil mixing process and belongs to the technical field of oil hydrogenation. The process is characterized by proportionally mixing high-sulfur light distillate and organic heat-carrier raw oil to produce lubricant base oil and light white oil; hydrogenation conditions for a first reactor and a second reactor: hydrogen partial pressure ranges from 15 MPa to 17.2 MPa, content of H2S of recycle gas ranges from 100 ppm to 500 ppm, airspeed ranges from 0.78 h<-1> to 0.83h<-1>, volume ratio of hydrogen to oil ranges from 500 to 600, and reaction temperature ranges from 300/280 DEG C to 306/285 DEG C; products of hydrogenation reaction are separated to obtain the lubricant base oil and the light white oil. According to the technology, different raw oil such as the high-sulfur light distillate and the organic heat-carrier are mixed proportionally, and then are used for producing two different products, namely the lubricant base oil and the light white oil, through the same device and the same catalyst.

The invention discloses a micro-concave roller gap engraving process, and belongs to the technical field of production of lithium electronic diaphragms. The method comprises the following steps that the roller surface of the micro-concave roller is divided into a carving area and a blank area, and the carving area is carved; according to the invention, the conventional micro-concave roller reticulate pattern design is abandoned, and the reticulate pattern roller is designed according to the diaphragm to be coated in a clearance carving manner, so that the difficulty of special coating is solved in a targeted manner, the diaphragm coating is not limited by the reticulate pattern carved by the micro-concave roller in a full-width manner any more, and the coated diaphragm structure is more diversified.