51results about How to "To achieve the purpose of continuous production" patented technology

Relating to devices and methods for carbon fiber interfacial modification, the invention provides a device and method for preparation of continuous carbon fiber with carbon nanotubes growing on the surface. The invention aims to solve the problem that continuous modified carbon fiber cannot be obtained through existing modification of carbon fiber with carbon nanotubes. The device comprises a quartz tube, a head-end sealing plug, a tail-end sealing plug, front drawing rollers, back drawing rollers, a micro-injection pump, a hydrogen generator, an argon bottle, a gas mixing apparatus, a tail gas treatment device, an exhaust pipe, a heating jacket and a sealed bin. The micro-injection pump and the gas mixing apparatus are both connected to the quartz tube, and the heating jacket is disposed outside the sealed bin. The method consists of: passing a carbon fiber tow through the front drawing rollers, the back drawing rollers and the quartz tube and conducting tensioning, introducing argon into the quartz tube to perform purification, then introducing the mixed gas of hydrogen and argon into the heated quartz tube, then dissolving ferrocene into a solvent and then introducing the product into the quartz tube, and depositing carbon nanotubes on the surface of moving carbon fiber so as to obtain continuous carbon fiber with carbon nanotubes growing on the surface. And the continuous carbon fiber with carbon nanotubes growing on the surface can be used as a reinforcement in composite materials.

The invention discloses a macro preparation method of tobacco thermal reaction spice. The macro preparation method comprises two procedures of extraction and concentration, and comprises the followingsteps: granulating tobacco powder serving as a raw material to obtain tobacco particles, performing destructive distillation extraction on the tobacco particles under the protection of nitrogen, andperforming reduced pressure distillation and concentration on the obtained extract to obtain the tobacco thermal reaction spice. The adopted tobacco particles are large in stacking density, the reaction feeding amount is large, and the yield of the extracted thermal reaction spice is high.

The invention discloses a novel process for welding a copper strip and an aluminum strip, which comprises the following steps: firstly, aligning two copper strip materials or aluminum strip materials required to be connected, namely the heads and the tails of base materials, and then overlapping the joint parts of the heads and the tails of the two base materials; secondly, underlaying an auxiliary welding plate, namely an auxiliary material to the upper side and the lower side of the overlapped joint parts of the heads and the tails of the two base materials respectively so that the two auxiliary materials clamp the overlapped joint parts of the heads and the tails of the two base materials in the middle; and thirdly, heating the two auxiliary materials and the two base materials clamped between the two auxiliary materials at the same time from the upper side and the lower side by adopting an electric resistance welding device, and before the two base materials are melted and welded together and the auxiliary materials are not melted, stopping heating to finish the welded connection of the two base materials. The process has the advantages of novel and reasonable design, simple and convenient use and operation, high production efficiency, low manufacturing cost, good welding effect and reliable connection, and can effectively solve the problem of production line continuous production in the prior production process of the copper and aluminum strip materials.

The invention discloses a fall prevention lifting device and a fall prevention method thereof, and belongs to the technical field of lifting devices. The fall prevention lifting device comprises a rack, a lifting platform and a power mechanism, and further comprises a double-nut screw mechanism, wherein the double-nut screw mechanism comprises a screw rod and a main nut and a sub nut which sequentially sleeve the screw rod, two ends of the screw rod are in transmission connection with the power mechanism, and the power mechanism is fixed to the rack; the main nut is in sleeved connection on anut seat along the outer wall, and the nut seat is fixedly connected with the lifting platform; an interval is reserved between the bottom ends of the main nut and subnut to avoid the load bearing ofthe subnut, so that the main nut holds the weight and the sub nut does nothold the weight. The fall prevention lifting device and the fall prevention method thereof have the advantages that the designis ingenious, and the problems in the prior art are solved that a weight-bearing nut of a screw rod mechanism of the lifting device slips and the production cannot be continuous.

The present invention features that through compounding assistant, material throwing substitution, heating to smelt, hydrolysis to open ring at 0.8-1.0 MPa and 250-290 deg.c; releasing pressure inside the reactor, vacuum polymerization for 60-180 deg.c, pressurizing the material into balance tank at 0.3-0.5 MPa and 265-275 deg.c, and discharging continuously from the bottom, nylon-6 engineering plastic with relative viscosity over 5.0 is produced. The method is suitable for producing superhigh viscosity nylon-6 engineering plastic with material caprolactam and its lower polymer.

The invention relates to a production method of high-performance super absorbent resin, which includes six steps. Firstly, with more than fifty mole percent of neutralization rate, acidyl-containing monomer aqueous solution and polymerization initiator stay in a pipeline, so that free radical polymerization reaction occurs to obtain thick prepolymer, and acidyl-containing monomer is selected from acrylic acid or methacrylic acid or 2-allylamine-2-methyl propane sulfonic acid or the compound; secondly, the thick prepolymer is added with long-chain and high-hydrophilic polyepoxy compound and is further converted into gelatiniform solid by utilizing a method of light-starting polymerization; thirdly, the gelatiniform solid is dried by hot wind with a temperature between 100 DEG C and 250 DEG C, smashed and filtered; fourthly, the solid is coated with surface crosslinking agent; fifthly, surface processing is carried out under a temperature between 80 DEG C and 230 DEG C; sixthly, inert inorganic salt powder is added. In the light-starting polymerization, the irradiation of ultraviolet light or infrared is utilized to initiate the prepolymer to be converted into gel.

The invention relates to a vegetable framing method, in particular to a continuous farming method of the distinct root seedling of vine vegetables; the method is carried out in a green house; the temperature of the greenhouse is 13 DEG C to 30 DEG C, the humidity is 60 percent to 85 percent and the light time is 8h every day; before grafting, the cultured rootstock seedling is planted at the transposition points 4 days to 5 days in advance; 30cm to 50cm young vine sprouts are selected as grafts; a cutting blade is used to chamfercut from down to top between two sections of very graft, and the depth is 1.5cm to 2.5cm; the cutting blade is used to cut both sides in the middle of the leaves in the second section of the rootstock seedling into sharp wedge shape, the length is consistent with the notch depth of the grafts, and then the two sides are butted and bound with the grafts; one month after the cut is healed, the binding is untied; old vines are cut off from below the grafting cut, pulled up together with old roots and removed outside the greenhouse; the old vines are pulled up after being cut off, plant residue is picked out to receive disinfection, and then organic fertilizer is added in. The seedling grafted through the method has high survival rate, high yield and can realize continuous production.

The invention relates to a continuous farming method of the vertical seedlings of vine vegetables; the method is carried out in a green house; the temperature of the greenhouse is 13 DEG C to 30 DEG C, the humidity is 60 percent to 85 percent and the light time is no fewer than 8h every day; when the old vines grow to 10m, 40cm to 60cm young vine sprouts are selected as grafts; meanwhile, 2 to 3 node sprouts are selected to be removed from the base of the leaves by a cutting blade; the base of the leaves is removed; the vines are soaked in rooting powder solution; the organic biological soilless cultured substrate is dug into a valley; riversand is put into the valley; and then the vines are also put into the valley, with the riversand covered on and water sprayed on; finally, the organic biological soilless cultured substrate is covered, and the vines are compacted; after the cutting of the vines is healed and young sprouts grow, the old vines are cut off, pulled up together with old roots, and removed from the valley.

The invention belongs to the field of elevators, building decoration and household appliance materials, discloses a resin bonded composite board continuous production device and production method and aims to solve the problems that a resin bonded composite board is expensive and limited in application range, the labor cost of a single-board unit for producing the resin bonded composite board is high, continuous production cannot be achieved, and the finished product rate is low. The device comprises a thermoplastic resin film uncoiling unit, an upper-layer steel sheet processing unit, a lower-layer steel sheet processing unit, a composite unit and a post-processing unit. The resin bonded composite board production method includes the steps of an upper-layer steel sheet processing stage, a thermoplastic resin film uncoiling stage, a lower-layer steel sheet processing stage, a two-layer steel sheet composite stage and a composite post-processing stage. By means of the resin bonded composite board continuous production device and production method, the purpose of continuous production of the resin bonded composite board is achieved, the finished product rate is high, the production cost is greatly lowered, the shock reduction and noise reduction effects are better, and the process is simpler.

The invention discloses a liquid classifier for a colloid mill, which comprises a classifier shell, a finished product discharge pipe and a classification mechanism, one end of the finished product discharge pipe is inserted from the bottom of the classifier shell and extends upward; the classifier The lower end of the side wall of the shell is provided with a back grinding outlet; the classification mechanism includes a speed-regulating motor and a classifier rotating piece, and the classifier rotating piece is sleeved outside the finished product discharge pipe; the upper end of the classifier rotating piece is connected to the The speed-regulating motor is connected, and the speed-regulating motor can drive the rotary plate of the classifier to rotate about the axis of the finished product discharge pipe. A liquid classifier for colloid mills of the present invention utilizes classifier rotating blades to rotate materials, so that materials of different thicknesses can be stratified at different speeds, and coarser materials flow back to the colloid from the back grinding outlet. The mill continues to grind, and the materials that meet the requirements enter into the finished product discharge pipe from the leakage hole, which is convenient and quick.

The invention discloses a wire winding shaft. The wire winding shaft is mounted on a wire winding machine; a wire winding disk is sleeved on the wire winding shaft for winding wire; the edge of the wire winding shaft is of a step shape; and the diameter of the wire winding shaft is gradually increased from top to bottom layer by layer. The wire winding shaft disclosed by the invention has simple structure, and is convenient to use; as the wire winding shaft can directly use the wire winding disks of various apertures, the operator is not required to manually cut wire and replace the wire winding shaft through an operation panel of the wire winding machine, thereby realizing continuous production, saving the production cost and improving the production efficiency.

The invention relates to a water-flowing type graphene film preparation device which comprises a high-temperature technological chamber, a low-temperature cooling chamber A, a low-temperature cooling chamber B and a sample boat, wherein sliding rails are horizontally and fixedly arranged along the bottom inner walls of the low-temperature cooling chamber A, the high-temperature technological chamber and the low-temperature cooling chamber B; a flat car is arranged above the sliding rails and in the low-temperature cooling chamber A; the sample boat is arranged on the flat car; the low-temperature cooling chamber A and the low-temperature cooling chamber B are internally and respectively provided with a boat pushing device A and a boat pushing device B that are consistent in structure; the boat pushing device A and the boat pushing device B are respectively and detachably connected with a sample taking rod A and a sample taking rod B; one end, far from the boat pushing device A, of the sample taking rod A can be driven to be connected with or separated from the flat car by the boat pushing device A; and one end, far from the boat pushing device B, of the sample taking rod B can be driven to be connected with or separated from the flat car by the boat pushing device B. The water-flowing type graphene film preparation device has the benefits that the load capacity of the sample boat is increased and continuous production is realized.

The invention discloses a method for continuously preparing glyoxylic acid through oxalic acid electrolysis, which comprises a cathode storage tank, a cathode storage tank, an anode storage tank, a cathode gas-liquid separation tank, an anode gas-liquid separation tank and a plurality of electrolytic cell modules,the electrolytic cell modules are equally divided into anode chambers and cathode chambers, one end of each cathode chamber and the output end of the cathode storage tank are connected with a cathode feeding header pipe, and a cathode pump and a cathode feeding valve are arranged between the two ends of the cathode feeding header pipe. According to the invention, free switching between intermittent operation and continuous operation is realized through switching of connection modes of the plurality of electrolytic cell modules, and the purpose of continuous production is finally achieved: the plurality of electrolytic cell modules are connected in parallel, so that the catholyte is subjected to a rapid circular reaction between the cathode storage tank and the electrolytic cell, and after the concentration of glyoxylic acid in the catholyte reaches a set value, and switching is carried out to a series connection mode, and the circulation is closed to carry out continuous production.

The invention relates to a continuous farming method of the direct sown seedlings of vine vegetables; the method is carried out in a green house; the temperature of the greenhouse is 13 DEG C to 30 DEG C, the humidity is 60 percent to 85 percent and the light time is no fewer than 8h every day; the cultured rootstock seedlings are planted at the transposition points in advance; after the seedlings grow into strong seedlings, 30cm to 50cm young vine sprouts are selected as grafts; a cutting blade is used to chamfercut from down to top between two sections of every graft, and the depth is 1.5cm to 2.5cm and the depth is no less than half of the diameter of the young sprouts; the cutting blade is used to cut both sides in the middle of the leaves in the second section of the rootstock seedling into sharp wedge shape, and the length is consistent with the notch depth of the grafts; then the two sides are butted and bound with the grafts; one month after the cut is healed, the binding is untied; old vines are cut off from below the grafting cut, pulled up together with old roots and removed outside the greenhouse; the old vines are pulled up after being cut off, plant residue is picked out to receive disinfection, and then organic fertilizer is added in. The seedling grafted through the method has high survival rate, high yield and can realize continuous production.

The invention relates to the technical field of purification of anhydrous hydrogen fluoride, in particular to a purification process for high-purity anhydrous hydrogen fluoride. The purification process comprises the following steps: 1, pre-condensation of raw materials; 2, preparation of fluorine by electrolysis; 3, oxidization with fluorine gas; 4, removal of light components; 5, preliminary separation; 6, a circular reaction; 6, a circular reaction; 7, rectification separation; and 8, storage of a finished product. The process has the beneficial effects that by arranging continuous purification equipment, technological process is simple, equipment is few, production cost is low, the purpose of continuous production can be achieved, large-batch production is convenient to achieve, and production and purification efficiency is greatly improved; by arranging separation processes such as electrolysis, the circular reaction and rectification, product separation precision is greatly improved, product purity is greatly improved on the premise of reducing introduced new impurities, and product quality is improved.

The application discloses a whole wheat bread improver, whole wheat bread and a preparation method of the whole wheat bread improver. The whole wheat bread improver is made from, by weight, 0.05-0.18part of fungal alpha-amylase, 0.40-0.75 part of xylanase, 0.08-0.20 part of glucose oxidase, 10-40 parts of sodium-calcium stearyl lactylate, 0.8-2 parts of vitamin C, and 100-400 parts of wheat gluten. The application also provides whole wheat bread adopting the whole wheat bread improver. The problem of the prior art is solved that a bread improver has no specificity and may cause poor properties, such as small whole wheat bread size, rough interior tissue and dry and hard taste, during making of the whole wheat bread.

The invention provides an online detection method for the glucoside content in a stevioside extracting solution, and relates to the technical field of glucoside content detection. The online detectionmethod for the glucoside content in a stevioside extracting solution comprises the following steps: S1, establishing a detrending correction pretreatment method; S2, establishing a multiple linear regression modeling method; S3, installing a fluid sample measuring device and a sampling valve of a GSA103 type near-infrared spectrometer at an outlet of a liquid flowing-out pipeline of a macro-porous adsorption tank, immersing the fluid sample measuring device of the instrument in liquid in the pipeline, and fixing the instrument; and S4, setting parameters of the spectrograph, setting the number of scanning times to be 30, setting the number of sampling times to be 20, setting the wavelength scanning range to be 1550-1950 nm, and setting the wavelength increment to be 2 nm. According to theinvention, real-time online detection can be realized, the purpose of continuous production is achieved, information of all samples can be detected, the detection is convenient, and the detection efficiency of the glucoside content is greatly improved; and the detection mode does not need any treatment on the sample, the sample is not damaged, and the detection process is green and environment-friendly.

The invention relates to a running-form continuous large-scale graphene thin film preparation device which comprises a high-temperature process cavity, a low-temperature cooling cavity A, a low-temperature cooling cavity B and a sample boat. Slide rails are horizontally and fixedly arranged along the middles of the two side inner walls of the low-temperature cooling cavity A, the high-temperature process cavity and the low-temperature cooling cavity B correspondingly. Pulley blocks corresponding to the slide rails are rotatably connected to the two sides of the sample boat. The sample boat slides along the slide rails through the pulley blocks on the two sides of the sample boat. A boat push device A and a boat push device B are arranged inside the low-temperature cooling cavity A and the low-temperature cooling cavity B correspondingly, wherein the boat push device A and the boat push device B are of the same structure. A sampling rod A and a sampling rod B are detachably connected to the boat push device A and the boat push device B correspondingly. The end, away from the boat push device A, of the sampling rod A can be driven by the boat push device A to be connected to or disconnected from the sample boat. The end, away from the boat push device B, of the sampling rod B can be driven by the boat push device B to be connected to or disconnected from the sample boat. The running-form continuous large-scale graphene thin film preparation device has the beneficial effects that the load capacity of the sample boat is increased, and continuous production is facilitated.

The invention discloses a fuel gas carbonization furnace. The fuel gas carbonization furnace includes a rack, wherein a furnace shell is connected to the rack; a main furnace tube and a gas burner areconnected inside the furnace shell; the gas burner is connected with a gas supply device through a gas pipeline; a feeding device and a discharging box are arranged outside the furnace shell; the feeding device and the discharging box are both connected with the rack; one end of the main furnace tube is connected with the feeding device; the other end of the main furnace tube is connected with the discharging box; the discharging box is provided with a discharging port; the feeding device is provided with a hopper; the rack is further connected with a rotating device; the rotating device is connected with the main furnace tube; the rotating device is used for driving the main furnace tube to rotate; and the discharging box is connected with a smoke exhaust fan through a smoke tube. Continuous production can be effectively realized, the processing time is saved, the processing efficiency of the carbonization furnace is improved, and the service life of the carbonization furnace is greatly prolonged.