36results about How to "Reasonable design of process steps" patented technology

The invention discloses a processing technology for prolonging the service life of guiding slide shoes. The processed guiding slide shoes consist of guiding slide shoe base bodies and wear-resisting layers, wherein the wear-resisting layers are welded on guiding surfaces. The technology comprises the following steps: firstly, casting: the guiding slide shoe base bodies are cast and shaped, the raw material is ZG35CrMoV, and the remained processing tolerance is from 1 mm to 4 mm; secondly, annealing; thirdly, primary machining: the outer end surfaces of lugs and the guiding surfaces are machined; fourthly, fault detection; fifthly, secondary machining: the rest part size is respectively machined; sixthly, quality regulation treatment: the finished guiding slide shoe base bodies with the brinell hardness of 240 to 280 are obtained; seventhly, peening treatment; eighthly, welding of wear-resisting layers: XHD646 welding bars are used for carrying out bottom welding firstly, and then DO*15 is used for carrying out surface welding on the wear-resisting layers; ninthly, deburring and repairing treatment; and tenthly, vibration aging. The invention has the advantages of reasonable design and convenient operation, and the processed guiding slide shoes have the advantages of high quality and long service life.

The invention belongs to the technical field of extraction and purification of traditional Chinese medicines, and particularly relates to a preparation method of extracts of effective fractions of lychee seeds. The method comprises the following steps of: (1) crushing the lychee seed medicinal material, adding ethanol and performing ultrasonic extraction; (2) recycling ethanol from the extract solution and diluting the extract with water, standing still and filtering; (3) adsorbing the filtrate by use of AB-8 macroporous resin, and eluting with water and ethanol later; (4) collecting the ethanol eluent, recycling ethanol and then concentrating to obtain thick paste; and (5) drying the extractum to obtain the extracts of the effective fractions of lychee seed. According to the invention, the extracts of the effective fractions, comprising the total flavones, total saponins and tannins of the lychee seeds are obtained at the same time by use of the sufficient extraction effect of ethanol on the effective components of the lychee seeds and the selection effect of the high-selectivity macroporous resin, and the total content of the total flavones, total saponins and tannins reaches over 70%; the process is simple and stable, and the quality is controllable; and the obtained extracts of the effective fractions of the lychee seeds conform to the requirements of the traditional Chinese medicine theory and the traditional Chinese medicine modernization.

The invention relates to canned green mullets containing tomato juice and a preparation technology of the canned green mullets, belonging to the field of food processing. The preparation technology comprises the following steps: selecting high-quality green mullets, sorting, cleaning, carrying out spray drying, slicing, curing, carrying out high-temperature steam sterilization, dehydrating, pouring soup onto the green mullets, soaking, feeding drinking water, mixing, sealing cans in a vacuum way, standing still, and storing to obtain the canned green mullets containing the tomato juice. The products are reasonable in design of processing steps; the cans prepared by the technology are delicious in meat flavor, tender in meat quality and rich in nutrient elements such as proteins, vitamin E, calcium, phosphorus, potassium, magnesium, zinc, selenium, thus having a tonifying function for the human body; the canned green mullets containing the tomato juice are red and bright in color, tasty in sourness and sweetness, rich in tomato flavor, convenient to carry and eat, and easy to store.

The invention provides a functional bacterial flora establishment method applicable to black and odorous water body treatment and a method for treating black and odorous water bodies with bacterial florae. The functional bacterial flora establishment method mainly comprises the following steps: (1) sampling indigenous microorganisms; (2) establishing functional bacterial florae in a black and odorous water environment, namely preparing a nutrient liquid, inoculating, and carrying out primary culture and secondary culture. The method for treating black and odorous water bodies with the bacterial florae mainly comprises the following steps: (1) carrying out feeding and operation; (2) replenishing the functional bacterial florae at regular time, and culturing continuously. By adopting the method, a set of complete functional bacterial flora 'continuous culture-regular replenishing' integral procedures are established on a black and odorous water body treatment site, and ammonia nitrogen removal effects on treated water bodies are continuously intensified. The method has wide applicability to various black and odorous river channels, black and odorous lakes, polluted field black and odorous ground surface, and the like, the functional bacterial florae are established in an original water quality environment, the bacterial florae constitution is dynamically changed, and the method is good in applicability, remarkable in effect and particularly applicable to implementation on various black and odorous water body treatment sites.

The invention discloses a flexible monocrystalline silicon solar cell manufacturing technique. The technique comprises the following steps: wafer sorting, wafer splicing, wafer welding, welding detection, low-temperature solidification of a cell and a substrate, low-temperature bonding of a front film, semi-finished product detection, high-temperature laminating, detection, trimming, wire outlet box pasting, positive and negative electrode soldering, glue pouring, assembling, top cover installation, and the like. As the technique comprises such steps as low-temperature solidification of the cell and the substrate, low-temperature bonding of the front film and high-temperature laminating, the technical steps are reasonable in design, and the manufactured products are good in sealing performance, flexibility and weatherability.

The invention provides a method for making braised mackerel cans. The method comprises the following steps: selecting raw materials, unfreezing, treating the raw materials, salting, frying, preparing soup, canning, exhausting, sealing, sterilizing and the like. The braised mackerel can made according to the method disclosed by the invention has a special flavor of braised fishes in brown sauce and is full in soup, dark red in color, tender in fish meat, moistened in dry flavor and strong in five-spice flavor, nutritional ingredients of the mackerel are fully remained, the process steps are reasonable in design, and the problem that the mackerel becomes hardened in meat and low in elasticity and chewing property in the sterilization process is solved, so that the meat keeps intrinsic elasticity and flavor, and the defect that the mackerel is inconvenient for long-term preservation and long-term transport is effectively overcome.

The invention discloses a hollow stabilizer bar producing process. The process specifically includes the following steps of firstly, performing blanking; secondly, performing electric welding on filling inner sleeves, inserting the filling inner sleeves in the two ends of a blanked bar correspondingly, ensuring that the end faces of the filling inner sleeves are slightly 2-3 mm inward than the endfaces of a bar body, and then fixing the filling inner sleeves to the end faces through a spot welding method; thirdly, performing heating, flattening and forming on the two ends, putting the two ends, provided with the filling inner sleeves in the second step, of the bar body into an induction coil to be heated at the same time, transferring the heated workpiece onto a flattening and forming device at a flattening station, and performing extrusion forming on the two ends of the workpiece at the same time; fourthly, performing grinding; fifthly, performing drilling; sixthly, performing bending; seventhly, performing tempering; eighthly, performing correcting; ninthly, performing shot blasting; and tenthly, performing electrophoresis. The process is reasonable in step design, the whole production process is simplified, operators are reduced, operation intensity is lowered, and production efficiency is improved; and by performing flattening on the two ends at the same time, it can be ensured that the two ends are consistent in flatness, and the product quality is ensured.

The invention provides a method for preparing scomberomorus sinensis cans. The method comprises the steps of raw material selection, unfreezing, raw material treatment, color keeping treatment, pickling, frying, soup preparation, canning, air discharging, sealing, sterilization and the like. The method has the benefits that the problem that after the scomberomorus sinensis cans are prepared, along with time lapse, the scomberomorus sinensis flesh turns dark and grey in color and luster is effectively solved, the problem that the scomberomorus sinensis flesh turns hard in the sterilization process, and is poor in elasticity and chewiness is also solved, and the flesh quality can be kept with inherent elasticity and flavor. The scomberomorus sinensis cans prepared according to the method has the peculiar flavor of braised fish in brown sauce, is rich in soup and dark red in color and luster, sufficiently keeps the nutritional ingredients of scomberomorus sinensis, is delicate in scomberomorus sinensis quality, dried, delicious, nutritious, spiced and highly seasoned; the processing steps in the method are reasonable in design, and the defect that the scomberomorus sinensis is inconvenient to preserve and transport for a long time is effectively overcome.

The invention discloses a high-performance chromium plating process used for a hardware product. The process comprises the steps of degreasing, steam treatment, shot blasting treatment, dewaxing, oil removal, acid copper plating bottoming, nickel plating bottoming, gold plating nickel brightening, chromic acid bath return etching, chromium plating, passivation, blowing and baking; in the process, repeated cleaning and acid activation are carried out. According to the high-performance chromium plating process used for the hardware product, the plating layer deposition speed is high, the number of plating layer micro-cracks is more, the plating has the better corrosion resistance, the chromium plating layer treated through the process is higher than a traditional standard chromium plating layer in hardness, under the condition that the combination force is qualified, the better wear resistance and corrosion resistance are achieved, and the service life of a workpiece can be obviously prolonged.

The invention discloses a method for efficiently synthesizing trifluoromethyl iodide. The method comprises the following steps: reacting CF3COOOH vapor with iodine vapor under the action of a catalystto generate the trifluoromethyl iodide, wherein the catalyst is a catalyst which selects activated carbon or graphene as a carrier and is loaded with 1 to 10 weight percent of KNO3 and 2 to 7 weightpercent of RbNO3; then effectively removing impurities and moisture in CF3I by a NaOH solution, silica gel and a molecular sieve in sequence, thus efficiently collecting high-purity CF3I products. Themethod has the advantages of fast reaction rate, good selectivity, high yield, high reactant utilization and energy conservation; the method is expected to realize industrialized production and meetscurrent market demands.

The invention relates to a canned tilapia in tomato sauce and a processing technology thereof, and belongs to the technical field of food processing. The processing technology comprises the following steps: selecting tilapias, cleaning, drying, slicing, curing, high-temperature steam sterilizing, dehydrating, soaking in soup, mixing with drinking water for people, vacuum canning, static storing, and obtaining finished products. The processing technology steps are reasonably designed, and cans processed by the technology have features of delicious canned tilapia, tender fish meat, various kinds of unsaturated fatty acids and rich proteins, red and bright color, sweet, sour and delicious taste, rich tomato flavor, convenient carryover and eating and easy preservation.

The invention discloses a high-strength corrosion-resistant bolt and a production process thereof. Raw materials for manufacturing the high-strength corrosion-resistant bolt comprise the following components in parts by weight: 45-50% of Ni, 16-18% of Cr, 4-5% of Nb, 2-3% of Mo, 0.5-0.8% of Ti, 0.2-0.4% of Al, less than or equal to 0.03% of C, less than or equal to 0.01% of S and the balance of Fe. According to the high-strength and corrosion-resistant bolt and the production process thereof, the formula design is reasonable, the high-strength and corrosion-resistant bolt is an alloy with Ni-Cr-Fe as a matrix and is composed of an austenite matrix phase gamma, a main strengthening phase gamma '', an auxiliary strengthening phase gamma ', a stable phase delta and a small amount of MC type carbide, the high-strength and corrosion-resistant bolt raw material is prepared, the process step design is reasonable, and the production cost is low. The high-strength corrosion-resistant bolt raw material is obtained through pretreatment, smelting, solution treatment and aging heat treatment, then the bolt raw material is processed, and the prepared bolt finished product has excellent strength and corrosion resistance and is wide in application prospect.

The invention relates to Cantonese mooncake and a manufacture process thereof. The mooncake comprises a peel and stuffing, wherein the peel is prepared from the following components: 4kg of syrup, 0.05kg of alkaline, 0.02kg of cake oil, 1.5kg of peanut oil, 0.3kg of custard powder, 2kg of white lotus seed paste and 5kg of flour. The manufacture process comprises the following steps: firstly, uniformly stirring syrup and alkaline, adding cake oil, peanut oil and custard powder, uniformly stirring, adding white lotus seed paste and flour, uniformly stirring, and standing for half an hour to obtain the peel for later use; secondly, selecting stuffing; and thirdly wrapping according to a ratio of peel to stuffing being 2:8, pressing into a mould for molding, and baking until the cake is golden brown. The manufacture process has the advantages of reasonable combination, reasonable process step design, low manufacture cost and the like, is delicious, can meet the dietary requirement of people, has relatively low cost, and is convenient to process.

The invention provides a preparation method of 2-chloride-5-nitrobenzoic acid. The preparation method comprises the following steps: mixing concentrated nitric acid and fuming sulphuric acid with the SO3 concentration of 20 percent according to the mass ratio of 1:(2-3), and controlling the temperature of the solution to be less than 10 DEG C in a mixing process; dripping 2-chloride trichlorotoluene, controlling the temperature of reaction liquid to be 0 to 10 DEG C, and continuously stirring at the end of dripping till the reaction is completed; pouring the reaction liquid into ice water, extracting with dichloromethane, washing an organic phase with a saturated sodium bicarbonate solution, and concentrating and drying to obtain 2-chloride-5-nitro trichlorotoluene; preparing concentrated sulfuric acid with the concentration of 85 weight percent, heating to 60 to 65 DEG C, adding the 2-chloride-5-nitro trichlorotoluene in batches, and preserving the heat till the reaction is completed; cooling the reaction liquid, adding water into the reaction liquid for dilution, extracting with ethyl acetate, taking an organic phase, and performing washing and concentration to obtain 2-chloride-5-nitrobenzoic acid. The technological steps are more reasonable in design and high in operability; the number of byproducts is small; the prepared product is relatively high in purity and can meet the requirement on industrial application.

The present invention relates to a canned spiced Scomberomorus niphonius and a processing technology thereof, which belongs to the field of food processing. The processing technology is composed of the following steps: selecting the high-quality Scomberomorus niphonius and other materials, cleaning and drying the materials, filleting, pickling, frying, pickling and boiling the Scomberomorus niphonius, soaking the Scomberomorus niphonius in the pour-in soup, vacuum sealing and statically storing the soaked Scomberomorus niphonius and thereby obtaining the finished products. The processing technology has a rational design of process steps and the canned spiced Scomberomorus niphonius is rich in nutrition, has a delicate and tender fish meat, a fragrant and moisturizing smell and a spicy and sour taste, and is easy to carry, eat and preserve.

The invention discloses a chromium-plating manufacturing method for a metal product. The method comprises the steps of degreasing, vapor treatment, shot blasting treatment, wax removal, oil removal, acidic-copper plating for bottoming, nickel plating for bottoming, golden nickel plating, returned etching conducted through a chromic acid plating solution, chromium plating, passivation, blowing and baking, wherein in the process, cleaning and acid activation are conducted for multiple times. When the method is applied to a high-performance chromium-plating process of the hardware product, a plating layer of the hardware product is high in deposition speed; the plating layer has a greater number of microcracks and better corrosion resistance; the hardness of the chromium-plating layer treated through the process is far higher than that of a chromium-plating layer treated according to traditional standards; and under the circumstance that binding force is qualified, better abrasion resistance and corrosion resistance are achieved, and the service life of a workpiece can be remarkably prolonged.