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51results about How to "Process impact" patented technology

Fibre flame-retardant processing method for flame-retardant medium-density fiberboard

The invention discloses a method for flame retardant treatment of a fiber to produce a flame retardant medium density fiberboard. The method is characterized in that a mixed flame retardant is adopted to perform flame retardant treatment on the fiber, and each component in the mixed flame retardant is applied by two times according to the decomposition temperature which is higher or lower than the fiber drying temperature. The method comprises the following steps: firstly, applying the component the decomposition temperature of which is higher than the fiber drying temperature to the fiber from a discharging opening of a prefiner; and secondly, preparing the component the decomposition temperature of which is lower than the fiber drying temperature into powder, and applying the component to fiber flow from a discharging opening of a storage bin after the fiber is dried. The method for the flame retardant treatment of the fiber not only cannot increase the burden of a fiber drier, but also can prevent certain flame retardant with lower decomposition temperature from being decomposed in the process of drying the fiber, thus the usage of the flame retardant is reduced, the flame retardant effect is improved, and the modern continuous production process of the medium density fiberboard is not changed.
Owner:NANJING FORESTRY UNIV

Energy-saving and environmentally friendly industrial waste gas treatment device

The invention provides an energy-saving and environmentally friendly industrial waste gas treatment device, and relates to the technical field of industrial waste gas treatment. The energy-saving and environmentally friendly industrial waste gas treatment device includes a waste gas collection device. The waste gas collection device is fixedly connected to a filter device through a pipeline. Fixed plates are fixedly mounted in the filter device. Wet filter paper, a gas permeable plate and activated carbon plates are fixedly connected between the two fixed plates. Leakage grooves are arranged between each wet filter paper and the corresponding gas permeable plate. The two activated carbon plates are fixedly mounted behind the corresponding gas permeable plate. An extension plate is fixedly mounted on the right side of the corresponding activated carbon plates. The filter device is fixedly connected to a purification device through a pipeline. A flow guiding pipe is fixedly mounted in the purification device. A catalytic combustion device is fixedly mounted behind he purification device. A drying device is fixedly connected behind the catalytic combustion device. The filter device makes solid waste such as particles in the waste gas be first intercepted by the wet filter paper, and the solid waste can be intercepted by the gas permeable plates if the solid waste passes through the wet filter paper and falls into the leakage grooves, which does not affect the operation of the whole device.
Owner:莫庆锋

Evaporation source cleaning equipment and evaporation system

The invention discloses evaporation source cleaning equipment and an evaporation system. The evaporation source cleaning equipment comprises a vacuum cavity and further comprises a first evaporation source heating unit and a second evaporation source heating unit which are arranged in the vacuum cavity. The first evaporation source heating unit comprises a supporting part used for containing at least one point evaporation source. Heat radiation can be generated in the first evaporation source heating unit so as to clean the point evaporation source. The second evaporation source heating unit and the first evaporation source heating unit are distributed in a spaced manner. The second evaporation source heating unit comprises at least one containing groove for containing a line evaporation source or a face evaporation source, wherein the containing groove can generate heat radiation for cleaning of the line evaporation source or the face evaporation source. According to the disclosed evaporation source cleaning equipment, impurities of the point evaporation source, the line evaporation source and the face evaporation source can be removed, influences on the evaporation cavity technology are avoided, the evaporation efficiency can be improved, and the activation rate of the evaporation system is increased.
Owner:KUNSHAN GO VISIONOX OPTO ELECTRONICS CO LTD

Side wall and method for forming side wall and semiconductor

The invention relates to a side wall and a method for forming the side wall and a semiconductor. The method for forming the side wall comprises the following steps of: providing a substrate with a grid electrode structure, wherein the grid electrode structure comprises a grid electrode and a gate dielectric layer which is located between the grid electrode and the substrate; forming a first dielectric layer which covers the substrate and the gate dielectric layer and is a single-layer or laminated structure; forming a second dielectric layer on the first dielectric layer, wherein the corrosion resistance of the second dielectric layer on an etching liquid used in the process of forming a self-alignment metal silicide block is more than that of the outermost layer material of the first dielectric layer on the etching liquid; and sequentially etching the second dielectric layer and the first dielectric layer to form the side wall at the periphery of the grid electrode. The side wall formed in the invention has large corrosion resistance on a solution utilized in the washing process of the formed side wall, thus the loss of the side wall in the process of forming the self-alignment metal silicide block can be reduced, the corresponding side wall width is increased, and the field effect transistor failure problem caused by too small side wall can be avoided.
Owner:SHANGHAI HUAHONG GRACE SEMICON MFG CORP

A garbage disposal device

The invention relates to a garbage disposal device, which comprises a hollow casing, a crushing mechanism is arranged inside the casing, a lower crushing disk, an upper crushing disk and a motor of the crushing mechanism, and several upper crushing rings are coaxially arranged at the lower end of the upper crushing disk. The lower end of the upper crushing ring is provided with several upper crushing grooves in the circumferential direction. The upper crushing grooves penetrate the side wall of the upper crushing ring. There is a gap between the outer wall of the lower crushing disc and the inner wall of the shell. The upper end of the lower crushing ring is provided with several lower crushing grooves in the circumferential direction, the lower crushing grooves penetrate the side wall of the lower crushing ring, the lower crushing ring is inserted in the gap between the upper crushing rings, and the upper end of the shell is pierced with a feeding hole , the lower end of the housing is penetrated with a feeding hole connected with the inner cavity, and the upper part of the upper crushing disc is coaxially penetrated with a feeding hole. The relative movement between the upper crushing ring and the lower crushing ring is used to cut off the food waste, and the rigid contact between the two can process relatively hard food waste.
Owner:深圳市华富环境有限公司

A method for purifying ammonium sulfate mother liquor produced by sintering flue gas ammonia desulfurization process

The invention relates to a method for purifying ammonium sulfate mother liquor produced from sintering flue gas through an ammonia method desulfurization process. The method is characterized by comprising the following steps: adding an inorganic high-polymer flocculant polyaluminium chloride or polyaluminum sulfate into the ammonium sulfate mother liquor at 10-45 DEG C, stirring, dispersing, then adding a high-polymer coagulant aid for improving the structure of the flocculant, stirring, dispersing, further standing, fully precipitating, collecting the supernatant (namely the treated ammonium sulfate mother liquor), then performing pressure filtration on the lower-layer precipitate by using a plate-frame type pressure filter, collecting the filtrate (namely the treated ammonium sulfate mother liquor) obtained by pressure filtration, and merging with the collected supernatant. The process is simple, and the purification effect is good; the treated ammonium sulfate mother liquor system has no residues of the flocculant and the coagulant aid basically, and when the ammonium sulfate mother liquor system is returned into a desulfurizing tower for repeated use, adverse effects on the process in the desulfurizing tower can be avoided; and the cost is low, and the popularization is convenient to realize.
Owner:武汉钢铁有限公司

Method for enhancing hydrophobic agglomeration of suspended clay mineral-fine-grained kaolinite in water body

The invention discloses a method for enhancing hydrophobic agglomeration of suspended clay minerals-fine-grained kaolinite in a water body, and belongs to the technical field of beneficiation environment treatment. The method disclosed by the invention comprises the following steps: adding a hydrophobic agglomeration strengthening reagent into a suspension according to a proportion of 60 -1000 g/t, controlling the pH value of the suspension to be 4-6, and stirring the suspension for 5-10 minutes at normal temperature; then adding a dodecylamine solution into the suspension according to the proportion of 100-300 g/t, keeping the pH of the suspension at 4-6, and continuously stirring the suspension for 5-10 minutes; and standing the suspension for quickly settling the kaolinite particles, and carrying out solid-liquid separation. The method is used for promoting agglomeration and accelerated sedimentation of fine-grained kaolinite (20 microns) in mineral separation and metallurgy tailingwater, and can enable the Stokes equivalent particle size of the fine-grained kaolinite aggregate in the suspension to reach 86 microns or above, the sedimentation speed to reach 22.9 m/h and the sedimentation rate to reach 95%.
Owner:KUNMING UNIV OF SCI & TECH

Preparation method of flue gas bipolar heat exchanger for radiant tube burner

The invention discloses a preparation method of a flue gas bipolar heat exchanger for a radiant tube burner, which comprises the following steps: respectively and independently assembling and welding three assemblies, namely an internal finned tube assembly, a flue gas cavity assembly and an air inlet connecting tube assembly, respectively carrying out airtight detection after welding, and then, firstly sleeving the flue gas cavity assembly into the internal finned tube assembly; and then the smoke cavity assembly is connected with the connecting flange, on the outer side of the connecting flange, the flange of the air inlet connecting pipe assembly is connected with the outer side of the connecting flange, and assembling can be completed. The manufacturing process is simple and efficient, the working procedures do not restrain each other, production is flexible, and the situation that the whole working procedure is affected due to stagnation of one working procedure is avoided; the delivery state of finished products is flexible and variable, and the finished products can be transported to an installation site after being assembled in a manufacturing factory and can also be packaged and transported in a classified mode according to assemblies and flexibly assembled on the installation site; the technical key points are clear and controllable, and the production efficiency and the product quality are greatly improved; and the productivity efficiency in the process assembling and welding process is high, and 100 machines can be achieved by 5 persons per 16 shifts.
Owner:QINGDAO NPA IND
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