60results about How to "Short production line" patented technology

The invention discloses sulphuric acid dew point corrosion resisting steel and a method for producing the same by continuously casting and rolling a thin steel billet with an electric furnace. The molten steel comprises the following chemical components by weight percent: 0.03-0.08 percent of C, 0.10-0.45 percent of Si, 0.40-1.0 percent of Mn, 0.025 percent of P or less, 0.035 percent of S or less, 0.15-0.50 percent of Cu, 0.40-1.0 percent of Cr, 0.02-0.15 percent of Sb, 0.04-0.30 percent of Ni and 0.01-0.05 percent of Ti and also comprises 100ppm of N or less. The thin steel billet is continuously cast at the speed of 3.5-5.5m/min, and the cast thin steel billet is placed in the electric furnace of 900-1050 DEG C, soaked at 1100-1200 DEG C, rolled at 1040-1120 DEG C, finally rolled at 850-920 DEG C and winded at 550-650 DEG C. The Cu-Cr-Sb composite micro-alloyed sulphuric acid dew point corrosion resisting steel having good mechanical performance, welding performance and corrosion resisting performance can be produced by continuously casting and rolling the thin steel billet with the electric furnace.

The invention relates to seasoning and provides seasoning oyster juice powder which has the characteristic of intense oyster fragrance and wide application range and is convenient to transport and preserve, and a preparation method thereof. The seasoning oyster juice powder comprises the following raw materials in mass ratio: concentrated oyster juice 100, maltodextrin 12-14, white granulated sugar 5.5-7.5, common salt 3-7, monosodium glutamate 3-5, glucose 2.5-3.5, starch 2.5-3.5, yeast extracts 0.3-0.5 and disodium 5'-ribonucleotides 0.2-0.4. The preparation method comprises the following steps of: firstly preparing the oyster juice; filtering the oyster juice to obtain oyster juice filtrate; concentrating the oyster juice filtrate to obtain concentrated oyster juice liquid; adding the sugar and the common salt and heating for reaction; adding the monosodium glutamate and the disodium 5'-ribonucleotides into reaction feed liquid, heating, melting and flavoring; then, adding the predissolved maltodextrin and the starch and curing; regulating the concentration of the feed liquid with water to obtain flavoring oyster juice feed liquid; sterilizing and homogenizing the flavoring oyster juice feed liquid to obtain spray feed liquid; drying the feed liquid; collecting materials in a clean room to obtain the oyster juice powder; and sieving, packing and inspecting the oyster juice powder.

The present invention relates to low alloy steel and is especially steel for hull structure and its production process. The steel for hull structure consists of C 0.03-0.075 wt%, Si 0.01-0.35 wt%, Mn 1.40-1.60 wt%, Als 0.015-0.100 wt%, V 0.020-0.080 wt% and Fe and impurity elements for the rest. It is produced in a CSP production line with special temperature system, reduction schedule and cooling system, and through casting blank, hydraulically shearing, heating and descaling, rolling into strip steel, stream cooling and finally winding. It has the advantages of less alloy elements, simple production process, high production efficiency, low power consumption, high product performance, etc.

The invention provides automatic machining equipment for supporting wheel side covers. The automatic machining equipment for supporting wheel side covers comprises a control device, a base, saddles and stand columns, wherein a clamping mechanism, a clamping driving mechanism and a saddle driving mechanism are installed on each saddle, an installation rack is arranged on each stand column, one end of each installation rack is fixedly connected onto the corresponding stand column, a spindle box is installed at the other end of each installation rack, a servo motor, a cutter installation part and a cutter driving mechanism are respectively installed on each spindle box, and the control device controls the operation time sequence of the clamping driving mechanism, the saddle driving mechanisms, the servo motors and the cutter driving mechanisms. Therefore, the machining of a plurality of installation holes and a plurality of planes can be finished in one clamping step only, and the machining accuracy is higher; since all machining processes are finished on the same equipment, the production line is short, the risk that semi-finished products are damaged or oxidized during transfer is avoided during machining, the reject rate of products is lower and the production efficiency is effectively improved.

The invention relates to the technical field of packaging box processing, and discloses a manufacturing method and a production process of a leather shell surrounding frame box type. Surface paper isdivided into long surface paper and short surface paper, a grey board is divided into four sections, a leather shell is divided into four sections, and a first lug part and a second lug part are arranged at the two ends of the long surface paper respectively; the grey board is downwards attached to the long surface paper, and the first lug part is exposed to form a first surrounding strip; on thefirst surrounding strip, one side edge of the long surface paper is turned over and attached to the first surrounding strip to be fixed, the other side edge of the long surface paper is folded and formed, and a second surrounding strip is formed; the second surrounding strip is folded and formed, the first lug part is folded and attached to the exposed surface of the second surrounding strip, anda first surrounding frame is formed; the short surface paper is adhered to the exposed surface of the first surrounding frame to form a second surrounding frame; the upper side edge and the lower sideedge of the short surface paper on the second surrounding frame are folded and formed, then the upper side edge is folded into the inner wall of the second surrounding frame to be fixed, and a thirdsurrounding frame is formed; and the third surrounding frame is adhered to the leather shell. The method and the process can be effectively expanded to complex box types, and the quality and the productivity are convenient to control.

The invention discloses a multilayer clean tunnel furnace. The multilayer clean tunnel furnace comprises the following parts arranged in a material conveying direction in sequence: a loading lifting platform for lifting and conveying materials within a preset height, a multilayer preheating section including multiple first conveying layers and used for preheating the materials on each of the first conveying layers, a multilayer heating section including multiple second conveying layers and used for heating materials on each of the second conveying layers, a multilayer precooling section including multiple third conveying layers and used for precooling materials on each of the third conveying layers, an unloading lifting platform for lifting and conveying materials within a preset height, a wind leaching cooling section for cooling the materials, and a discharge platform for sending out the materials. The multilayer clean tunnel furnace has such multiple beneficial effects as uniform material heating, good cleanness, high production efficiency, short production line and energy and space saving.

The invention relates to the technical field of bearing production equipment, in particular to a bearing intelligent precision forging automatic production line which comprises a feeding mechanism, anupsetting mechanism, a punching flattening mechanism, a continuous reaming mechanism, a finishing diameter mechanism and a discharging mechanism, wherein the feeding mechanism comprises a feeding component and a pushing component; the upsetting mechanism comprises an overturning component and an upsetting component; the overturning component is arranged at the tail end of the pushing component; the punching flattening mechanism is arranged by the side of the upsetting component; the continuous reaming mechanism comprises a conveying component and a continuous reaming component; the conveyingcomponent is arranged by the side of the punching flattening mechanism; the continuous reaming component is arranged at the tail end of the conveying component; the finishing diameter mechanism is arranged at the tail end of the continuous reaming component; and the discharging mechanism is arranged at the tail end of the finishing diameter mechanism. The bearing intelligent precision forging automatic production line can realize automatic processing of bearing precision forging, lowers the labor intensity, shortens the blank transferring distance, reduces the temperature differences of different processing parts of the blank, and improves the production efficiency and the bearing precision.

The invention relates to a novel method for preparing UDCA from chenodeoxycholic acid. The method includes taking the chenodeoxycholic acid as a raw material, performing protection on carboxyl and selective protection on 3-carboxyl, then subjecting carboxyl at position 7 to a reaction through Mitsunobu or producing ester from paratoluensulfonyl chloride, methanesulfonyl chloride and paranitrobenzenesulfonyl chloride, and stripping off a protecting group to prepare the UDCA. Compared with other processes, the method has the advantages of being mild in reaction condition, simple in operation, high in efficiency, yield and optical purity and the like, and provided with a bright industrial production prospect.

The invention belongs to the technical field of injection deposition of(WC/high-speed steel) steel-bonded cemented carbide and preparation of lamination materials, and provides a new method for preparing (WC/high-speed steel) steel-bonded cemented carbide by employing high-speed solid-phase particles such as WC, TiC or VC to performing injection deposition on a high-speed molten steel flow, and a new steel type for superhard cutter steel and hot work die steel. The invention provides a new technology for preparing armoring and special composite wear-resistant parts formed by compounding two layers or multiple layers of WC superhard high-speed steel and plain carbon steel or stainless steel. The invention provides a technical means for performing high-energy rapid quenching on molten steel, and under all kinds of technological states, the prepared (WC/high-speed steel) steel-bonded cemented carbide possesses the mechanical properties comprehensively better than those of conventional high-speed steel. A new special research means is provided for researching and developing new materials and revealing new phenomenon in material science. The technical scheme enables our country injection deposition technology to be improved to a world leading level, and have wide popularization meaning and application value.

The invention belongs to the technical field of metal material machining and steel, and particularly relates to a method for preparing an S355MC steel coil based on a multi-mode sheet billet continuous casting and rolling production line and a product obtained from the method for preparing an S355MC steel coil based on a multi-mode sheet billet continuous casting and rolling production line. The method for preparing the S355MC steel coil based on the multi-mode sheet billet continuous casting and rolling production line comprises the following steps that smelting and continuous casting are carried out to obtain a sheet billet, the sheet billet is sequentially subjected to heating treatment, descaling before rough rolling, rough rolling, electromagnetic induction heating, descaling before finish rolling, finish rolling, laminar cooling, coiling and cooling, and an S355MC steel coil is obtained; and the sheet billet comprises the following components of, in percentage by mass, 0.03%-0.15% of C, smaller than or equal to 0.05% of Si, 0.6%-1.5% of Mn, 0.02%-0.35% of Al, smaller than or equal to 0.010% of P, smaller than or equal to 0.005% of S, 0.01%-0.10% of Nb, smaller than or equal to 0.005% of N, and the balance iron and inevitable impurities. The method for preparing the S355MC steel coil expands the thickness range of the final product S355MC steel coil, and has the advantagesof short production line, short process, energy conservation, emission reduction and cost reduction.

The invention relates to a preparation method for making a glass wine divider through a two-step method. The first step is to make a cup body, and comprises the preparation processes as follows: preparing glass raw material, melting the raw material by a furnace, feeding by a feeder, making a cup body preform through blowing of a bulb-blowing machine, taking out the cup body preform manually, manually feeding the cup body preform to a fire incision machine for incision, manually making a wine pouring opening, manually feeding the cup body to an electrical heating furnace for annealing, discharging out of the furnace and inspecting so as to obtain a semi-finished product; the second step is to make a cup handle on the cup body, and comprises the preparation processes as follows: taking the semi-finished product, feeding the semi-finished product into the electric heating furnace for heating, mounting the cup body on a tool clamp manually, connecting the cup handle manually, correcting the cup handle manually to prepare into the wine divider, manually conveying the wine divider to the annealing furnace for annealing, discharging the wine divider out of the furnace and inspecting, and packaging. By adopting the preparation method provided by the invention, half of workers are reduced, the production is carried out by two steps, the production line is shorter, and the defective cup body obtained through the first step is not used in the second step of connecting the cup handle on the cup body, so that the production cost is reduced, the product quality is improved and a high promotion value is realized.

The invention relates to a method for production of C6-C8 arene from light cycle oil, and mainly solves the problems of long route, low C6-C8 arene yield and low purity in previous technologies. According to the invention, by means of hydrotreatment, and hydrogenation ring opening and transalkylation two-step reaction, light cycle oil can be converted to C6-C8 arene. The technical scheme well solves the problems, and can be used for the field of production of monocyclic light aromatic hydrocarbons from distillate oil.

The invention discloses 2,4,5-triamido-6-hydroxy pyrimidine formate and a preparation method. The preparation method comprises the following steps: enabling 2,4-diamido-5-nitro-6-hydroxy pyrimidine toreact with hydrogen in catalyst A and alkaline solution B, and obtaining 2,4,5-triamido-6-hydroxyl pyrimidine; and enabling a hydrogenation product to perform the salt forming reaction with formic acid to obtain 2,4,5-triamido-6-hydroxy pyrimidine formate. The invention discloses a method for preparing guanine by utilizing the 2,4,5-triamido-6-hydroxy pyrimidine formate. The preparation method isshort in production route, and high in molar yield, wherein the total molar yield is 90 percent or higher. The solvent can be recycled and generally used, the content of the salt and strong acid in the production wastewater can be greatly reduced, and the emission amount is little. The pyrimidine formate is a brand new compound. The pyrimidine formate is used for substituting the pyrimidine sulfate to prepare the guanine, so that a great amount of sulfate can be prevented from flowing into the production wastewater.

The breakfast grain food in spiced salt flavor is produced with corn flour, rice powder, buckwheat powder, oat powder, separated soybean protein, soybean phosphatide, oat fiber, whole milk powder, sugar, vegetable oil and spiced salt seasoning. The breakfast grain food in spiced salt flavor has specially designed formula and is produced through extrusion in double-screw extruder and other apparatus. It is crisp, fragrant, spicy and rich in nutrients, and may be preserved for long time.

The invention discloses a preparation method of 1H-1, 2, 3-triazole. The preparation method comprises the following step: performing a reaction on a compound A and sodium nitrite in a solvent I, wherein the compound A is 1,2-diamido-ethylene, 1,2-diamido-ethylene salt or a mixture of 1,2-diamido-ethylene and 1,2-diamido-ethylene salt. Compared with the prior art, the preparation method has the beneficial effects that (1) a production line is short, the conversion rate of a target product is high, the utilization ratio of atoms is high, and the atom economy is high; (2) the molar yield is high, and the total molar yield is above 90%; (3) the solvent can be recycled and reused, and the discharge amount of waste water is very small; and (4) a production process is safe and controllable.

The invention belongs to the technical field of metal material processing, and particularly relates to a method for preparing an S500MC steel coil based on a multi-mode sheet billet continuous castingand rolling production line, and a product. The method for preparing the S500MC steel coil based on the multi-mode sheet billet continuous casting and rolling production line comprises the steps: smelting and continuous casting are conducted to obtain a sheet billet, the sheet billet is sequentially heated, subjected to scale removal before rough rolling, rough rolling, electromagnetic inductionheating, scale removal before finish rolling, finish rolling and laminar cooling, coiled and cooled, and the S500MC steel coil is obtained, wherein the sheet billet is prepared from the components inpercentage by mass: 0.03-0.15% of C, less than or equal to 0.05% of Si, 0.6-1.5% of Mn, 0.02-0.35% of Al, less than or equal to 0.010% of P, less than or equal to 0.005% of S, 0.01-0.10% of Nb, 0.015-0.15% of Ti, less than or equal to 0.005% of N, and the balance of iron and inevitable impurities. The method expands the thickness range of a final product of the S500MC steel coil and has the advantages of short production line, short process, energy conservation, emission reduction and cost lowering.

The device has a short production line, and all components are reasonably configured. A multifunctional cooling control device is adopted to integrate high-pressure water descaling and intermediate billet cooling functions, which is simpler and more efficient. Layout of a 4R+(3−4)F rolling mill, four thermos-detectors and short-distance underground coilers are use. The method includes the steps: carrying out continuous casting to manufacture a slab, high-pressure water rotating descaling, rough rolling by a four-stand high reduction rough rolling unit, machining by a drum shear, cooling after high-pressure water descaling in the multifunctional cooling control device, finish rolling by a three-stand or four-stand finish rolling unit, air cooling, dividing coils by a high-speed flying shear, and coiling by underground coilers, wherein temperature monitoring is respectively carried out after rough rolling, before finish rolling, after finish rolling, and before coiling by the underground coiler.

The invention belongs to the field of fire doors, and particularly relates to a method for manufacturing high quality recombinant bamboo. The method comprises steps of firstly, selecting bamboo wood, secondly, uniformly paving the bamboo wood and applying glue on the bamboo wood to form a bamboo plate to be pre-pressed, thirdly, pushing the pre-pressed bamboo plate into a high frequency hot press, fourthly, pre-pressing the bamboo plate to be pre-pressed, fifthly, starting the high frequency hot press to manufacture a bamboo plate through high frequency hot pressing for 6 to 45 minutes, and sixthly, unloading pressure which is applied on the bamboo plate by an upper pressing plate and a side pressing plate after high frequency hot pressing, and sending the bamboo plate from the high frequency hot press. The high frequency hot press comprises a lower support board used for supporting a bamboo plate to be pre-pressed, an upper pressing plate used for pressing on the bamboo plate to be pre-pressed and a side pressing plate applying pressure on a side of the bamboo plate to be pre-pressed. The high frequency voltage is characterized in that a high frequency electric field can penetrate a base plate, so that the inner and the outer of the base plate can be synchronously and uniformly heated, the method is quick in speed and low in energy consumption, so the method is particularly suitable for hot-press gluing a bamboo plate with a large section.

The invention discloses a novel environmental-protection calendered antiskid ground mat. The novel environmental-protection calendered antiskid ground mat comprises a non-woven carpet and a calenderedfilm; the calendered film is compounded at the bottom of the non-woven carpet through rotary calendering of a cold roller and a pressure roller; and a combination layer is formed in the compound position of the non-woven carpet and the calendered film. The novel environmental-protection calendered antiskid ground mat solves the utilization rate of PVC wastes, and enables waste leftovers to changevaluable things; meanwhile, through proper weight and good antiskid effect of the antiskid ground mat produced by the PVC wastes, persons are convenient to go indoors and outdoors, the carrying is easy, the manpower is saved, and the transportation cost is reduced; secondly, such high-energy-consumption equipment as a large boiler is not used in an antiskid ground mat machining process; and compared with gluing compound or scraping compound production processes for most existing ground mats, the antiskid ground mat is prepared through crushing and mixing of films and extrusion compounding, sothat the production line is short, labors are few, the production period is fast, and the environmental pollution is reduced.

The invention belongs to the field of fire doors, and particularly relates to a method for rapidly manufacturing recombinant bamboo, wherein the method is uniform in heating process, quick in speed and low in energy consumption. The method comprises steps of firstly, selecting bamboo wood, secondly, uniformly paving the bamboo wood and applying glue on the bamboo wood to form a bamboo plate to be pre-pressed, thirdly, pushing the pre-pressed bamboo plate into a high frequency hot press, fourthly, pre-pressing the bamboo plate to be pre-pressed, and fifthly, starting the high frequency hot press to manufacture a bamboo plate through high frequency hot pressing for 6 to 45 minutes. The high frequency hot press comprises a lower support board used for supporting a bamboo plate to be pre-pressed, an upper pressing plate used for pressing on the bamboo plate to be pre-pressed and a side pressing plate applying pressure on a side of the bamboo plate to be pre-pressed. The high frequency voltage is characterized in that the high frequency electric field can penetrate a base plate, so that the inner and the outer of the base plate can be synchronously and uniformly heated, the method is quick in speed and low in energy consumption, so the method is particularly suitable for hot-press gluing a bamboo plate with a large section.

The invention discloses a micro-filling film sealing machine provided with a hydrophobic groove. The micro-filling film sealing machine provided with the hydrophobic groove is mainly composed of an operating platform, a transmission system and a drive filling system, and the transmission system and the drive filling system are arranged on the operation platform. The micro-filling film sealing machine provided with the hydrophobic groove has the advantages of being simple in structure, low in cost, small in occupied area, and short in production line.