85results about How to "Product quality improved steadily" patented technology

The invention discloses a tough aldehyde-free soybean meal-based wood adhesive and a preparation method thereof. The adhesive comprises, by weight, 30-33 parts of a main agent, 70 parts of dispersed medium water, 3-6 parts of a reinforcing agent, 0.1-0.2 part of a viscosity regulator, 2-4 parts of a crosslinking agent and 0.3-0.6 part of a catalyst. The preparation method comprises the following steps of weighing each component according to the corresponding weight ratio first, adding the crosslinking agent into the dispersed medium water, adding the main agent and the reinforcing agent, and homogenizing and emulsifying the mixture for 20 minutes under the action of an emulsifying force of 0.5 MPa at the pressure of 30 MPa through a high-pressure homogenizer; then, adding the catalyst into the obtained mixture, triggering a reaction at 80 DEG C for 30 minutes, cooling a finished product to 30 DEG C, and then discharging the finished product. The adhesive is likely to form a crosslinking structure, high in crosslinking density and low in reaction temperature; the prepared adhesive is stable in performance, the weak interface layer is obviously reduced, the cost is lowered, the dry/wet strength is high, and the product quality is stably improved.

The invention relates to a method for processing vehicle polyurethane plate, which includes the processes of: cutting glass fiber and evenly scattering the glass fiber on one surface of unwoven cloth in sequence, scattering hot melt adhesive powder, infrared pre-heating and rolling; the material for processing is conveyed by a conveyer belt among various processes; the method for processing the polyurethane plate is characterized in that: the glass fiver and the hot melting adhesive powder are continuously and evenly scattered on the other surface of the unwoven cloth in sequence and the infrared preheating is carried out after the process of infrared preheating and then the rolling process is conducted to hit the target of combining and forming the products in one go. The method for processing the polyurethane plate has the advantages that: the secondary combination and formation of the vehicle polyurethane plate are changed into one-time combination and formation, thus not only enhancing the production efficiency by one time but also enhancing and stabilizing the product quality.

The invention relates to a method and a device for annealing rolling copper tubes on line, which belongs to the technical field of forming metal tubes through rolling, wherein the method for annealing comprises following procedures: forming through rolling, washing, filling nitrogen, heating, preserving heat, cooling and drying. The device comprises a tractor which clamps and propels a copper tube to transverse through a transition section, a heating section, a heat preserving section, a cooling section and a drying section which are communicated in turn, wherein a hollow electromagnetic coil is installed in the heating section. The invention selects an LG-H type rolling mill to form tube blank through rolling which is casted through an upward continuous casting system, and the rolling mill is originally a two-roll planetary cold rolling mill which is used to roll stainless steel tubes. The process method and a device for annealing on-line after rolling provide more reliable guarantee for increasing the mechanical property, the oxidation resistance and the service life of materials, which further increases and stabilizes the quality of products, the requirements of the copper tubes with high precision are completely satisfied, and the method and the device realize the production targets of high quality, high efficiency and low energy consumption for small and medium-sized enterprises.

A method for preparing to long-thread vermicelli (or sheet jelly) includes such steps as proportionally mixing starch, starch ester of octenyl succinate, soya bean lecithin, konjak glucomannan, D-sodium isoascorbate, edible vegetative oil and water, stirring, and heating while shaping. It features no use of alum.

The invention relates to a compound die assembly of a fixing device for processing the human body skeleton and an operating method thereof. The compound die assembly comprises an upper male die and a lower concave die, the upper male mould comprises a concave module (1) and a press plate (2), wherein, the concave module (1) is matched with the shape of a patella collection device (8), and a vacant groove is arranged between an m claw and an n claw. The lower concave die comprises a concave module (4), a cam (3) and a lever shaft (5), the concave module (4) presents a cuboid, the upper surface is a plane for placing the flat-plate material, the side face of the concave module (4) presents a C character shape, the lever shaft (5) is arranged at the lower part of the concave module (4), the upper male die moves downwards and presses in the lower concave die in the way of two sections, the press plate (2) lies hard upon the cam (3) and drives the rotation of the concave module (4), the flat-plate material is bent and formed on the concave module (1), and a finished product is laterally taken out from the groove of the concave module (1). The invention reduces the numbers of forming and processing, reduces the cost and improves the working efficiency. A blank only is under a linear stress state during the forming process of the patella collection device, the stress state is improved, and the strength, the rigidity and the products quality are improved.

The invention discloses a method for determining measurement accuracy of an on-line moisture meter through SPC. According to the requirements of production, the purpose of meeting the requirements of measurement and the purpose of meeting the requirement for facilitating operation are taken account of, when the on-line moisture meter is produced, three channels of a production on-line moisture meter are built corresponding to each of an upper portion, a middle portion and a lower portion of each tobacco leaf, six channels of a special grade are further built, and the total number of the built channels is 15; or the channels are built according to the number on a mark board and the working procedures, and comparison is carried out on each channel. Statistical analysis of a primary determination and the measurement process is carried out on accuracy of the on-line moisture meter through basic errors according to comparison data. According to the method for determining measurement accuracy of the on-line moisture meter through SPC, an SPC control chart is used for analyzing stability of measurement accuracy of the on-line moisture meter of tobacco production, accuracy of moisture measurement of tobacco products is improved, the situation that the percent of pass of moisture of the tobacco leaves is greatly improved is ensured, whole-process monitoring is carried out on the production process, random fluctuation and abnormal fluctuation of product quality in the production process are scientifically distinguished, the influence of the random fluctuation and abnormal fluctuation is eliminated by taking measures, and the production process is kept to be in the controllable state that the production process is only influenced by random factors.

The invention discloses a method for preparing liquid enzyme through cell wall breaking, and belongs to the field of food engineering. The method comprises the specific steps of step one, preparing raw material vegetables and fruits, washing, sterilizing and air-drying; step two, putting the raw material vegetables and fruits in a high-power high-speed wall breaking pulverizer, operating the high-power high-speed wall breaking pulverizer, breaking cell walls of the raw material vegetables and fruits, and enabling cytoplasm in the cell walls of the raw material vegetables and fruits to flow out; step three, putting vegetable and fruit juice after wall breaking and pulverizing into a fermentation tank according to a ratio, inoculating, standing and fermenting; step four, after fermenting is finished, obtaining the liquid enzyme. The method for preparing the liquid enzyme through cell wall breaking, disclosed by the invention, has the advantages that the cell walls can be effectively broken, the cytoplasm of the vegetables and fruits can be released, enough basal nutrition can be provided for probiotics, the fermentation efficiency is increased, and fermentation raw materials are efficiently utilized.

The invention relates to a modularized micro breaking switch feeder line measuring and control device which comprises a collect measuring module and a control module, wherein the collect measuring module is connected with a micro breaking switch and used for collecting to-be-measured signals in the micro breaking switch, the control module is used for conducting data analysis to the to-be-measured signals collected by the collect measuring module and obtaining consumption analysis, distribution conditions of each phase and failure cause loaded by the micro breaking switch, and the control module is connected with the collect measuring module in a plug-in and plug-out mode. The collect measuring module comprises a collect measuring module body, a collect measuring module middle unit and a micro breaking switch cover plate, wherein the collect measuring module body is provided with a collecting unit and a feeder line copper bar and used for collecting the to-be-measured signals, the collect measuring module middle unit is used for insulating the inner collecting unit in the collect measuring module body and the outside world, and the micro breaking switch cover plate is used for sealing the collect measuring module body. According to modularized micro breaking switch feeder line measuring and control device, no secondary line is arranged in the measuring and control device, production, installation and maintaining are all standard operations, streamlined process working is achieved, and product quality is stabilized and improved.

The present invention is granular sodium benzoate and its production process. The production process includes the neutral reaction between benzoic acid and sodium hydroxide inside a neutralizing tank at pH 7.5-8.0 and 95-98 deg.c for 30-40 min to produce crude sodium benzoate solution; decolorizing the crude sodium benzoate solution with active carbon for 40-45 min, and filtering at the pressure of 0.3-0.4 MPa to obtain clean sodium benzoate solution; and palletizing, drying and packing to obtain granular sodium benzoate in the shape of 1.5-2 mm ball. Producing granular sodium benzoate has simplified production of the downstream product, improved work condition and expanding application range.

The invention discloses a formaldehyde-free soybean protein based adhesive and a preparation method thereof. The adhesive is prepared from soybean meal, bromelain, bean chitinase, dispersion medium water, sodium periodate, diethylenetriamine, glutaraldehyde diglycidyl ether and a curing agent. According to the formaldehyde-free soybean protein based adhesive obtained with the preparation method, soybean meal molecules are degraded, modified and recombined to form a prepolymer, proteins stretch sufficiently, molecular active groups are increased obviously, reactivity, solubility, water-retention and toughness are improved, and after addition of an elastomer-based curing agent, the prepared adhesive has high flexibility, water-resistant adhesion and stability; the requirement of an artificial board adhesive for water resistance can be met, cost of the adhesive is reduced due to reduction of use quantity of a crosslinking agent, and practicability of the protein based adhesive is guaranteed.

The invention discloses the preparation method of an extract of India laurel fig leaf liquid, including the steps of airing or air-drying the India laurel fig, aqueous extracting, primary filtering and micro filtering the aqueous extracted liquid, ultrafiltrating and nano-filtrating by a superfrequency vibrating membrane, filtering and condensing by a superfrequency vibrating and dehydrating membrane, drying, crushing and packing. The technology of using the superfrequency vibrating membrane to filtering replaces the traditional alcohol precipitating by aqueous extraction and condensing by heating, and the invention is capable of improving the product quality, saving the energy and reducing the discharge and belongs to the method of saving the energy, reducing the discharge and being green and environmental protective. At the same time, the invention has important meaning for developing and improving the technology of traditional Chinese medicine extraction and separation.

The invention provides a multi-station machine head for drilling and boring a lathe. A rotatable product positioning plate is arranged in the center of a base of the machine head; a plurality of drilling and boring devices for machining products are arranged on the periphery; and during usage, drilling and boring drill bits can be mounted on the drilling and boring devices on three side edges, a product to be machined is fixed on the rotatable product positioning plate in the center, and namely, the circulating rotation can be performed so that every part of the product is drilled and bored once. The multi-station machine head for drilling and boring the lathe has the remarkable characteristics of rapidness, convenience and high accuracy, and the improvement of production efficiency, the stabilization of product quality and the reduction of product processing cost are facilitated.

The invention provides an integral electric spindle support for a viscose spinning machine. The integral electric spindle support for the viscose spinning machine is used for installation of the viscose spinning machine and is an integral long-strip-shaped support body, wherein two rows of strip-shaped round through holes used for installation of an electric spindle are distributed in the support body, the two ends of the support body are respectively provided with a plurality of machine base connecting holes, the two rows of strip-shaped round through holes are located in the middle portions of corresponding bosses, and supporting base plates are connected to the lower portion of the support body. By the adoption of the arrangement mode, the whole electric spindle support can be connected to and installed on the spinning machine quite conveniently and quite rapidly, maintenance cost of a flat vehicle is reduced easily, and the quality of product is improved stably easily.

The invention discloses a bio-based protein adhesive for an artificial board and a preparation method thereof. The bio-based protein adhesive comprises the following components: a main agent, dispersion medium water, a reinforcing agent, a viscosity regulator, a cross-linking agent and a catalyst; wherein the main agent is deconstructed feather protein powder, the dispersion medium water is commontap water or softened water, the reinforcing agent is surface-modified nano kaolin, the viscosity modifier is polyacrylamide, the cross-linking agent is an epoxidized bark extract, and the catalyst is a sodium hydroxide aqueous solution. According to the present invention, with the chemical reagent matched treatment method, the highly-crosslinked disulfide bond in the feather protein can be effectively opened, such that the reaction activity of the feather protein is increased, and the cross-linking agent and the protein molecule can easily form the cross-linking structure; besides, the nano-kaolin can be chemically bonded to the cross-linking structure, and thereby the water-resistant bonding performance of the adhesive is further improved through stress conduction and dispersion.

The invention discloses a novel storage method, which is provided for semi-finished products or finished products and commercial and civil products in industrial production. The novel storage method mainly adopts ten parts, namely a storage tank, a tank body reinforcing rib, an air suction and inflation nozzle, a seal plug, a seal cover, a seal soft strip, a seal cover hinge, a tank gas inlet and outlet and the like. The process refers to filling nitrogen and vacuumizing for the storage tank, which is favorable for improving and stabilizing product quality for depositing and storing semi-finished products or finished products and commercial and civil products in the industrial production process. The phenomenon that the product quality is lowered and deteriorated too early because objects are exposed in the air to be oxidized can be avoided or reduced. The method is simple and convenient to operate and has the advantages of obvious effect and low cost, and the storage tank can be repeatedly used.

The invention discloses an aldehyde-free flour-based adhesive and a preparation method thereof. The adhesive comprises the following components, by weight: 38-42 parts of a main agent, 60 parts of disperse medium water, 0.4-0.8 part of a reinforcing agent, 0.1-0.3 part of a viscosity regulator, 8-12 parts of a crosslinking agent, and 0.5-1 part of a catalyst. The adhesive is prepared by the following method: weighing the component according to a weight ratio, adding the reinforcing agent into the disperse medium water, carrying out ultrasound for 15 minutes, adding half weight of the main agent, and carrying out homogenization emulsification for 20 minutes with a high-pressure homogenizer under pressure of 30 MPa and an emulsifying force of 0.5 MPa; and adding the remaining main agent into the obtained mixture, after the main agent and the mixture are uniformly mixed, the crosslinking agent and the remaining catalyst are added, carrying out a reaction at 80 DEG C for 30 min, reducing the temperature by 30 DEG C, and then discharging a product. The adhesive of the invention has the advantages of easy formation of a crosslinking structure, large crosslinking density and low reaction temperature. The preparation method is simple. The prepared adhesive has the advantages of stable performance, obviously reduced weak interface layer, good dry/wet strength and stably improved product quality.

The invention discloses a chipboard hot-pressing method. The method of conducting hot pressing through a continuous flat hot press is adopted, a board blank obtained after prepressing sequentially passes through a high-pressure hot-pressing region, a low-pressure hot-pressing region and a secondary pressurizing hot-pressing region, the hot-pressing pressure and hot-pressing temperature of the high-pressure hot-pressing region are 1.5-4.5 N/mm<2> and 220-230 DEG C respectively, the hot-pressing pressure and hot-pressing temperature of the low-pressure hot-pressing region are 1.0-3.2 N/mm<2> and 210-225 DEG C respectively, the hot-pressing pressure and hot-pressing temperature of the secondary pressurizing hot-pressing region are 0.8-2.5 N/mm<2> and 190-195 DEG C respectively, and the hot-pressing factor is 4.5-6.4 s/mm. The chipboard hot-pressing method is reasonable in process, compared with a traditional chipboard hot-pressing process, hot-pressing time is greatly shortened, and the production efficiency is high; product quality stability is improved, the product rejection rate is greatly reduced, production cost is reduced, and enterprise benefits are increased.

The invention discloses an environment-friendly fishing bait production system for efficiently improving food calling. The system comprises a first feeding device, a counter-current cooler, a puffing machine, a barrel, a microwave generator, a cooling fan, a material hopper, a draft fan, a second feeding device, a material sliding tube, an air sucking cover and a finished product hopper. By adopting a physical processing mode, the food calling property of a fishing bait is improved, product processing and treatment can be continuously and efficiently completed, the production efficiency is high, a product is good in food calling property, and material food calling fragrance waste gases generated in the production process are sufficiently recycled and utilized, so that the food calling property is improved, emission of odorous waste gases is reduced, and the purpose of environment protection is achieved in both production periods and use periods of products.