852results about How to "Realize continuous production" patented technology

The invention provides a preparation system and method of porous electrode carbon. The system mainly comprises a two-section temperature-variable carbonization fluidized bed and an activation fluidized bed. According to the method, small-particle-size polymer particles are softened in the carbonization process and bonded with a large number of heat carrier particles to form composite particles, so that self bonding and excessive growth are avoided, and controllable carbonization is achieved in the two-section temperature-changing carbonization fluidized bed; and introducing the composite particles into an activation fluidized bed, carrying out high-temperature activation, and removing the heat carrier to obtain the porous carbon electrode carbon particles. According to the method, adhesion of polymer particles during carbonization is avoided, the problem of instability of superfine particle fluidization operation is solved, the links of grinding and heating and cooling are reduced, and the method has the advantages of being low in cost and capable of being continuously operated.

The invention relates to a slotted lining forming device and a slotted lining continuous preparation system and method. The slotted lining forming device comprises a leveling feeding mechanism, a forming mechanism, a forming mechanism and a forming mechanism, wherein the leveling feeding mechanism is provided with a feeding channel; the outer edge rolling forming mechanism comprises an outer edge rolling forming die with a forming groove; the positioning mechanism comprises a male die shaft; the pre-bending mechanism comprises a pre-bending die with a pre-bending arc groove; the pre-bending die can conduct multiple times of extrusion on the strip conveyed to the male die shaft so that the head section of the strip can form a pre-bending arc section. The outer edge rolling forming die can axially move to a preset position after the male die shaft and the pre-bending die are both separated from the middle area, so that the pre-bending arc section of the strip moves along the groove wall of the forming groove, and then the head section of the strip forms a forming arc section. And the cutting and discharging mechanism comprises a cutting knife, and the cutting knife can move downwards and cut off the strip, so that the straight cylinder type slotted lining is obtained. According to the continuous forming device, continuous forming of the slotted linings can be achieved, and the production efficiency is higher.

The invention discloses an infrared heating detinning device for waste circuit boards, which belongs to the technical field of metal recovery and comprises a detinning drum, the detinning drum comprises a driving drum seat, an infrared heating drum and a dynamic conveying frame are arranged at one end of the driving drum seat, and a static conveying frame is arranged on the inner wall of the other end of the driving drum seat. A slag discharging mechanism is arranged at the bottom of the infrared heating cylinder; according to the invention, the sealed continuous production of the waste circuit board is realized, the waste heat preheating is utilized to improve the detinning efficiency, the detinning rotary drum and infrared heating are combined to dynamically rotate to promote tin melting and element falling, the vibrating screen and the guide plate screen tin, the vibration and high-temperature blowing cleaning of the element are realized, and the external air draft and temperature control filter pipe accurately controls the solidification and remelting of the tin; the air injection cushion and the sealing arc plate guarantee sealing and cleaning, the whole process is efficient in detinning, elements are separated, and energy and production efficiency are improved.

The invention discloses a wire cutting machine for screw production. The wire cutting machine comprises a base, a feeding cutting device arranged at one end of the base and a cold heading device arranged at the other end of the base. The feeding and cutting device comprises a cutting base, and the cutting base is provided with a straightening groove position and a forming positioning hole. The cutting seat is provided with a material pushing mechanism on one side of the straightening slot position; the pushing mechanism is provided with a pushing shaft which is arranged in the forming positioning hole in a sliding mode. The cutting base is provided with a cutting assembly. A straightening device is arranged at the position, corresponding to the straightening groove position, of the base; the straightening device is provided with a straightening channel; the straightening device is in one-way transmission connection with the pushing mechanism; a material moving mechanism is arranged at the position, corresponding to the straightening channel, of the base; continuous production of screws is achieved, so that the production efficiency is improved, the coordination time of cutting and cold heading is effectively shortened, and the consistency of products is better.

The invention belongs to the technical field of steel reinforcement framework machining, and discloses a T-beam web framework single-piece production line and method.The T-beam web framework single-piece production line comprises two feeding devices, a horseshoe rib bending device, a long stirrup bending device, a welding device, a cantilever crane and a discharging device, and the two feeding devices can transfer steel bars to the horseshoe rib bending device and the long stirrup bending device correspondingly; the two cantilever cranes can transfer reinforcing steel bars to the welding device from the horseshoe rib bending device and the long stirrup bending device respectively, the welding device can weld horseshoe ribs and long stirrups together, and the discharging device can take a formed T-beam web framework single piece out of the welding device. According to the production line for the T-beam web framework single piece, automatic production of the T-beam steel reinforcement framework single piece can be achieved.

The invention discloses ultra-high molecular weight polyethylene pipe production equipment, and particularly relates to the technical field of polymer plastic processing, the ultra-high molecular weight polyethylene pipe production equipment comprises an equipment box, and an extrusion heating mechanism is arranged at the top of the equipment box; the extrusion heating mechanism comprises a driving device which is fixedly installed at the top of the equipment box, the output end of the driving device is fixedly connected with a transmission shaft, one end of the transmission shaft is fixedly provided with a gearbox, and one side of the gearbox is fixedly connected with a fixing pipe. The raw materials are efficiently pretreated, it is ensured that raw material particles are uniform and fully mixed, a good foundation is laid for the subsequent plasticizing and extruding process, the quality and performance stability of the pipe are improved, the temperature requirements of the ultra-high molecular weight polyethylene pipe in different production stages can be met, the molecular structure of the pipe is more regular, and the production efficiency is improved. Therefore, the strength, toughness and corrosion resistance of the pipe are enhanced, and reliable technical support is provided for large-scale production of the ultra-high molecular weight polyethylene pipe.

The invention discloses single-walled carbon nanotube production equipment and a control method thereof, and belongs to the technical field of single-walled carbon nanotube production. The production equipment comprises a main reactor as well as an arc plasma torch assembly and a catalyst assembly which are mounted on the main reactor, and the arc plasma torch assembly and the catalyst assembly respectively extend into the main reactor and are arranged at intervals; a catalyst supplementing opening is formed in the upper side of the main reactor and is communicated with a catalyst feeding assembly through a catalyst supplementing pipeline; and the control unit is used for controlling the state of the catalyst supply assembly according to the voltage value of the arc plasma torch assembly. The invention solves the problem of production interruption caused by unstable electric arc between the cathode and the anode of the existing single-walled carbon nanotube production equipment.

The invention belongs to the field of fine chemical engineering, and particularly relates to a continuous production device and method of high-purity isosorbide. The device comprises a reaction unit, a separation unit and a purification unit which are sequentially connected, the reaction unit comprises a preheater and a reactor, the separation unit comprises a settling tank, a filter, a dehydrating tower and a distillation tower, and the purification unit comprises a decolorizing tower, a rectifying tower and a crystallizing tower. A sorbitol raw material enters a preheater to be preheated, the preheated material enters a reactor to be subjected to a dehydration reaction, the reacted material flows out of a discharging port in the upper portion of the reactor to enter a shell pass of a dehydration tower to be subjected to heat exchange and cooling, the cooled material enters a settling tank to settle solid waste, supernate enters a filter to be filtered, and a liquid phase flows into the dehydration tower to be subjected to water removal and concentration; and distilling out crude isosorbide in a distillation tower, and purifying the isosorbide crude product through a decolorizing tower, a rectifying tower and a crystallizing tower to obtain the high-purity isosorbide. The method has the outstanding characteristics of continuous production, separation and purification, and continuous production of high-purity isosorbide can be realized.

The invention discloses an environment-friendly injection mold, and relates to the technical field of injection molds, the environment-friendly injection mold comprises a bottom plate, a mounting vertical plate is fixedly connected to the upper end face of the bottom plate, an electric divider is mounted on one side of the mounting vertical plate, and a rotating module is fixedly connected to the position, penetrating out of the mounting vertical plate, of the rotating end of the electric divider; a plurality of evenly-distributed mold groove blocks are arranged on the rotating module, and a plurality of cooling fins are fixedly connected to the positions, located in the rotating module, of the mold groove blocks. And a group of mold groove blocks and inner mold blocks are arranged on each switching position, so that the mold groove blocks and the inner mold blocks can be switched to the next station for cooling after injection molding is completed, and meanwhile, another group of empty molds are switched to perform injection molding, so that cooling at the injection molding positions is not needed during working, the working efficiency is greatly improved, and continuous production of products is realized.

The invention discloses a pyraclostrobin preparation device which comprises a reaction kettle and further comprises a temperature control cooling box, the temperature control cooling box is provided with a containing space, a partition part is arranged in the temperature control cooling box, the partition part divides the containing space into a cooling channel and a temperature control channel, and the temperature control channel is communicated with the cooling channel. The temperature control cooling box and the separation part are both made of heat conduction materials, a hydrothermal solution is introduced into the temperature control channel, and the temperature of the hydrothermal solution is higher than the crystallization temperature of pyraclostrobin. According to the pyraclostrobin preparation device provided by the invention, the reaction kettle and the temperature control cooling box are combined for use, so that a pyraclostrobin solution can circularly move between the reaction kettle and the temperature control cooling box, and precipitates and irregular crystals are fed into the reaction kettle for re-processing; the production speed of the pyraclostrobin crystals is increased, and meanwhile continuous production can be achieved.

The invention provides a high-performance thermoplastic starch-based TPS / PBAT blended plastic and a preparation method thereof. The preparation method comprises the following steps: preparing pre-plasticized starch, carrying out melt blending on the obtained pre-plasticized starch TPS, poly (butylene adipate-co-butylene adipate) PBAT, a grafting agent and an initiator, cooling, and drying to obtain a grafting material; and putting the grafted material and a cross-linking agent into an internal mixer for melt blending, cooling and drying to obtain the high-performance thermoplastic starch-based blended plastic TPS / PBAT. The method is suitable for industrial large-scale mass production and recycling treatment, the recycling treatment can be realized by directly adopting plastic processing methods such as an internal mixer and an extruder, and the high-performance thermoplastic starch-based blended plastic can be obtained again under the condition that the molecular chain part is degraded.

The invention aims at disclosing a magnesium hydride continuous production device and process, and relates to the technical field of magnesium hydride preparation, the magnesium hydride continuous production device comprises a sealing shell, a heating inner container, a power assembly, a feeding assembly, a discharging assembly, an inert gas replacement assembly and a hydrogenation inlet; the heating inner container comprises a side wall, a feeding end and a discharging end, a plurality of gas one-way valves are arranged on the side wall, a spiral propeller, a plurality of steel balls and / or a plurality of steel bars are arranged in the heating inner container, and a filter screen is arranged at the discharging end; a conical part and a recycled material port are arranged at the bottom of the sealed shell; the feeding assembly comprises a feeding lock hopper and a feeding pipe, and the feeding pipe communicates with the feeding end. The discharging assembly comprises a discharging pipe and a discharging lock hopper, and the discharging pipe is communicated with the discharging end; the method has the technical effects that the particle size of the magnesium powder is 10-300 microns, the particle size of the produced magnesium hydride is 50-800 nm, continuous feeding, continuous reaction and continuous discharging can be realized, large-scale production of the magnesium hydride is realized, and the hydrogen storage density of the magnesium hydride is not less than 7 wt%.

The invention discloses a copper smelting method of an Ausmelt furnace without a top-blowing spray gun, and relates to the technical field of copper smelting of the Ausmelt furnace, and the copper smelting method comprises the following steps: (1) spraying coal powder and mineral powder into a molten pool through an ore gun and a coal gun of the Ausmelt furnace without the top-blowing spray gun; (2) a side-blowing combustion gun of the Ausmelt furnace without the top-blowing spray gun sprays fuel to the molten pool; and (3) when the copper matte reaches the target grade 58-62%, ending the reaction, recording the melt temperature distribution, measuring the viscosity of the slag, and taking the slag sample for analyzing the content of Fe3O4. The Ausmelt furnace without the top blowing spray gun comprises a flue, a baffle, a combustion gun, an ore gun and a coal gun, a flue is arranged on the upper portion of the furnace body, a baffle is arranged below the flue, combustion guns are symmetrically arranged on the furnace body above a slag layer, coal guns are symmetrically arranged on the furnace body at the junction of the slag layer and a molten copper bath, ore guns are symmetrically arranged on the furnace body at a molten copper bath layer, and pressure gauges are arranged on the ore guns and the coal guns.

The invention belongs to the technical field of biological medicine, and particularly relates to sterile cefepime hydrochloride and a direct preparation method thereof. The method comprises the following steps: firstly, carrying out condensation reaction on a 7-MPCA solution and an AE active ester solution through a solid base catalyst column at the same time; then, carrying out extraction phase separation, two times of pH regulation crystallization, activated carbon decoloration and sodium sulfite reduction on the condensation liquid to obtain a cefepime hydrochloride liquid to be crystallized; and then taking a part of the cefepime hydrochloride to-be-crystallized liquid to prepare a seed crystal mixed liquid, and adding the rest of the cefepime hydrochloride to-be-crystallized liquid and the crystallization solvent into the seed crystal mixed liquid at a specific speed to obtain the sterile cefepime hydrochloride. According to the method disclosed by the invention, the continuous production of the sterile cefepime hydrochloride is realized, the preparation period of the sterile cefepime hydrochloride is greatly shortened, side reactions and product degradation are reduced, the quality and yield of the obtained cefepime hydrochloride product are relatively high and stable, and industrial production is facilitated.

The invention discloses an intelligent mobile flow-state soil production base station and a use method thereof, and the base station comprises a power walking part which is used for providing power for a device and moving the device; the feeding part is arranged on the power walking part and is used for conveying raw materials for producing the fluid soil into the fluid soil stirring part for producing the fluid soil; the fluid-state soil stirring part is arranged on the power walking part, located on one side of the feeding part and used for uniformly stirring the raw materials conveyed by the feeding part to form fluid-state soil for backfilling of a foundation pit; the material conveying trolley part can freely move around the power walking part and is used for accurately conveying the produced flow-state soil to a position needing to be backfilled; the flow-state soil stirring part comprises a stirring paddle integral part, at least two stirring hopper parts and at least two groups of rack guide rail transmission parts, and is used for realizing the back-and-forth work of the plurality of stirring hopper parts. The device can meet the requirements of different construction sites, and the construction convenience and efficiency are improved.

The invention discloses an epoxy organic silicon tackifier as well as a preparation method and application thereof, and relates to the technical field of tackifiers. The preparation method of the epoxy organic silicon tackifier comprises the following steps: filling an ultra-microporous Pt / SiO2 catalyst into a reactor, and heating to activate the ultra-microporous Pt / SiO2 catalyst; the preparation method comprises the following steps: mixing tetramethylcyclotetrasiloxane, allyl glycidyl ether and 3-methacryloxypropylmethyldimethoxysilane to obtain a mixed reaction raw material, heating the mixed reaction raw material until the temperature reaches 70-100 DEG C, adding the mixed reaction raw material into a reactor, reacting to generate a synthetic product, and collecting the synthetic product flowing out of the bottom of the reactor, the epoxy group organic silicon tackifier is obtained. According to the preparation method of the epoxy organic silicon tackifier, a solvent does not need to be added in the reaction process, potential safety hazards are avoided, the step of removing the solvent and the catalyst can be omitted, the technological process is simplified, and continuous production of the tackifier can be achieved by adopting the method of the scheme.

The invention discloses a pressure swing adsorption device of a hydrogen production system. The pressure swing adsorption device comprises a first adsorption tower, a second adsorption tower, a waste gas emission unit, a hydrogen input pipe, a hydrogen output pipe, a program control valve group and a PLC (Programmable Logic Controller) control system, according to the device, a plurality of adsorption layers are respectively arranged in the first adsorption tower and the second adsorption tower, and the pressure change of each adsorption tower in different adsorption and regeneration stages is controlled, so that the intelligent control of the pressure swing adsorption hydrogen production process is realized, and the first adsorption tower and the second adsorption tower alternately perform adsorption and regeneration; compared with the traditional two independent steps of deoxidation and drying, the method has the advantages that the influence on the purification effect of hydrogen due to flow connection is avoided, the hydrogen purification flow is efficiently integrated, and the purification effect and efficiency of hydrogen are improved; by controlling the opening and closing time and sequence of the program control valve group, when one adsorption tower performs adsorption operation, the other adsorption tower performs regeneration operation, so that the overall efficiency and yield of the system are improved.

The utility model discloses a connecting metal strip punching and blanking device of a water dividing and collecting device, which comprises a rack, a conveying through groove extending front and back is formed in the middle of the top surface of a top plate of the rack, a die through groove is formed in the middle of the bottom surface of the conveying through groove, and a punching die block is inserted in the die through groove in a sleeved mode and fixedly connected through a bolt. An upper supporting frame is fixed to the middle of the top face of the top plate of the rack, an upper punching oil cylinder is fixed to the middle of the top face of the top plate of the upper supporting frame, the bottom end of a push rod of the upper punching oil cylinder extends out of the bottom face of the top plate of the upper supporting frame and is fixedly provided with a lifting plate, and a plurality of punching heads are fixed to the bottom face of the lifting plate. The punching heads correspond to the corresponding punching through grooves below up and down; the automatic discharging device can automatically take down machined connecting metal strips, achieves automatic discharging and can be in linkage with an early-stage conveying mechanism, so that continuous production is achieved, and the machining efficiency is greatly improved.

The invention provides a honeycomb aluminum plate production line, and relates to the technical field of plate production equipment, the honeycomb aluminum plate production line comprises a first feeding device, a second feeding device, a conveying device, a gluing device and a pressing device; the conveying equipment comprises a conveying rack, a first conveying device arranged on the conveying rack and a second conveying device, the gluing equipment is arranged above the first conveying channel and in front of the intersection, and the gluing equipment comprises a glue containing groove, a gluing motor, a first glue roller, a second glue homogenizing roller and a third gluing roller. The aluminum honeycomb core is conveyed to the first conveying channel through the first feeding device, the first plate is conveyed to the second conveying channel through the second feeding device, when the first conveying channel and the second conveying channel intersect, the first plate is pressed to the aluminum honeycomb core subjected to gluing treatment through the pressing device, and continuous production of multiple plates is achieved. And meanwhile, the third glue spreading roller of the glue spreading equipment is in contact with the aluminum honeycomb core to carry out glue spreading action, and glue spreading is uniform.

The invention relates to an organic-inorganic composite microsphere and a preparation method thereof, and is characterized in that an amphiphilic polylactic acid organic material and inorganic particles are adopted, emulsification is carried out through a surfactant and supergravity equipment to form an S / O / W coated microsphere suspension emulsion, and then separation and freeze drying are carried out to obtain the organic-inorganic composite microsphere. The prepared organic-inorganic composite microsphere material is rich in various active components, can stimulate regeneration of tissue collagen in a more diversified manner as a component of a regenerative injection anti-aging filler, adopts a method for preparing microspheres through supergravity emulsification, and enhances a liquid-liquid heterogeneous micro-mixing process in a supergravity environment, so that the regeneration of the tissue collagen can be promoted, and the regeneration of the tissue collagen can be promoted. The prepared composite microsphere product is better in quality, the particle size distribution of the microspheres is more uniform and concentrated, the size of the microspheres is adjustable in a wide particle size range of 100nm-200mu m, and the method can realize continuous production, is good in stability and is easy to amplify.

The invention provides non-ferrous metal disc vertical mold casting equipment. Comprising a rotating frame and a plurality of mold opening and closing mechanisms, the mold opening and closing mechanisms are arranged on the rotating frame, the rotating frame is used for sequentially rotating the mold opening and closing mechanisms to a casting position and a demolding position, the casting position and the demolding position are arranged on the two sides of the upper surface of the rotating frame respectively, and each mold opening and closing mechanism comprises a male mold and a female mold; the mold cavity on the female mold is vertically arranged relative to the upper surface of the rotating frame, and the male mold can be close to or far away from the female mold under the action of external force, so that the male mold and the female mold are mutually closed or separated. Continuous production of castings can be achieved, and the productivity of the castings is high; the mold opening and closing mechanism comprises a male mold and a female mold, a mold cavity in the female mold is perpendicular to the upper surface of the rotating frame, and due to the fact that the mold cavity is deep, a formed casting is full, uniform in thickness and small in piece weight deviation, and no throwing or flash or burr exists in the casting process.

The invention belongs to the field of composite materials, and particularly discloses a magnesium-based composite material and a preparation method and application thereof.The preparation method comprises the following steps that S1, magnesium-based alloy particles are heated to be in a semi-solid state, then the magnesium-based alloy particles are mixed with metal reinforced particles, and semi-solid mixed slurry is obtained; and S2, the semi-solid mixed slurry is subjected to pressurized extrusion molding, and the magnesium-based composite material is prepared. According to the preparation method, the metal reinforced particles and the semi-solid magnesium-based alloy slurry are mixed, extrusion molding is conducted under pressurization, continuous production can be achieved through the whole preparation method, the production process is short, the efficiency is high, meanwhile, a semi-solid extrusion method is adopted, and the production cost is low. The prepared magnesium-based composite material has the advantages of compactness, no loose defect, uniform distribution of metal reinforced particles, high mechanical strength and the like.

The invention provides a titanium-based catalyst, a preparation method of the titanium-based catalyst and a synthesis method of pyroxasulfone. The titanium-based catalyst comprises a main active component and an auxiliary metal component M doped in the main active component, wherein the main active component is a titanium dioxide nanobelt, the titanium dioxide nanobelt forms an oxygen vacancy defect, and the concentration of the oxygen vacancy defect is 5-20 [mu] mol / g; the auxiliary metal component M comprises at least one of Re, Ru, Mo, V, Ce, Zn and Cr. The titanium-based catalyst is filled in a fixed bed and is used in a reaction for synthesizing pyroxasulfone through thioether oxidation, and oxygen vacancy defect sites not only can enhance adsorption and activation of reactants so as to improve reaction kinetics in the oxidation process, but also can generate electron interaction with auxiliary metal ions so as to improve the catalytic activity of pyroxasulfone. The dispersity and the stability of the auxiliary agent metal component M on the titanium dioxide nanobelt are improved, so that more reaction active sites are provided, and continuous synthesis of pyroxasulfone is realized.

The present invention relates to the field of aerogel preparation methods, and specifically to a method for continuously preparing in-situ hydrophobic aerogel powder by dual-fluid atomization. The present invention uses dual-fluid atomization technology to spray silica sol containing hydrophobic groups and catalysts through a dual-fluid nozzle. After the two fluids are atomized, they collide and mix with each other to form small droplets; the small droplets are quickly heated in a spray dryer to form small gel particles; the small particles are continuously dried in hot air to gradually form dry, hydrophobic aerogel particles. By gravity separation or centrifugal separation, the particles are collected according to different particle sizes to obtain aerogel powder with uniform particle size.

The utility model discloses a novel wiped film cracker, which belongs to the technical field of oligomer processing and comprises a main machine body and a variable frequency motor fixed at the top end of the main machine body, the variable frequency motor is in transmission connection with a mechanical seal through a coupler, and the mechanical seal is movably connected to the top of the outer side of the main machine body. A stirring paddle with a scraping plate is arranged in the main machine body, a feed liquid distributor is fixedly arranged at the middle upper part of the inner side of the main machine body, the top end of the stirring paddle with the scraping plate is in interference fit connection with the top end of the mechanical seal, and a wear-resistant bearing is arranged at the bottom end of the stirring paddle with the scraping plate. The wiped film cracker with the structure can realize uniform dispersion of feed liquid, adjust the distance between the scraper and the inner wall of equipment, control the film forming thickness of the feed liquid, effectively prevent coking and carbon deposition of the feed liquid, avoid frequent disassembly and assembly of the equipment, ensure continuous operation of a process system, and realize full-automatic and continuous production of cracking cyclization reaction.

The invention discloses a coupling system and method for capturing carbon dioxide in flue gas and converting C4 products. The coupling system comprises a flue gas purification system, a CO2 trapping system and a CO2 catalytic conversion system, a regeneration tower in the trapping system is heated through flue gas waste heat in the purification system, energy is provided for regeneration of absorption liquid in rich liquid, and energy consumption of the regeneration tower is reduced; waste heat of hot barren liquor in a regeneration tower and waste heat of carbon dioxide regeneration gas at an outlet are converted into steam through a second-class absorption heat pump in the trapping system, heat energy needed by reaction is provided for fixed bed reactors in the catalytic conversion system, and finally trapped CO2 is converted into a high-added-value C4 + product in situ through the fixed bed reactors connected in series. And continuous production is realized. The whole coupling system realizes the capture and in-situ conversion of CO2 under the condition of not additionally supplying heat energy, so that the resource utilization value of CO2 is improved, the problems of high cost, high energy consumption and the like of the traditional CCUS technology are solved, and the energy conservation and consumption reduction of the whole capture and conversion system are realized.

The mold pressing equipment for producing the concrete baking-free bricks capable of recycling the building waste residues comprises a base, a pair of conveying frames which are longitudinally arranged are fixedly installed on the base, a plurality of supporting plates are conveyed between the tops of the pair of conveying frames at intervals, and supports are fixedly installed on the two sides of the base; a transversely-arranged mounting frame is fixedly mounted at the top of the support, a movable plate capable of transversely moving is mounted in the mounting frame, three lifting openings are transversely formed in the movable plate, a liftable template is elastically mounted in the three lifting openings, the upper surface of the template is flush with the upper surface of the movable plate, a plurality of mold cavities are evenly distributed in the template, and the mold cavities are communicated with the lifting openings. And opening and closing mechanisms for synchronously opening and closing the plurality of mold cavities are arranged in the mold cavities. According to the equipment, after one-time mold pressing is completed, the next-time mold pressing process can be rapidly carried out without waiting for the charging process, the efficiency is greatly improved, the automatic conveying process of baking-free brick supporting plates can be achieved, and continuous production can be achieved.

The invention discloses a bio-based carbon fiber and a preparation method thereof. The method comprises the following steps: dipping a Lyoorace fiber in an aqueous solution containing phosphoric acid and urea; and carrying out stabilization and carbonization treatment on the impregnated fiber to obtain the carbon fiber. By adopting the method, the continuous preparation of the bio-based carbon fiber can be realized, the method has the characteristics of simplicity in process implementation, high efficiency and easiness in industrial production, and the prepared bio-based carbon fiber filament is excellent in mechanical property.

The invention is suitable for the technical field of fine chemical engineering, and provides a method for catalytically synthesizing 1, 2-diol by using a titanium silicalite molecular sieve, which comprises the following steps: preparing methanol, a hydrogen peroxide solution and an alkaline additive into a homogeneous mixed solution, mixing the homogeneous mixed solution with a raw material olefin in a mixing tank, pumping into a fixed bed reactor, and carrying out a titanium silicalite molecular sieve catalytic epoxidation reaction to obtain 1, 2-diol. A 1, 2-alkylene oxide solution is generated; the method comprises the following steps: separating a 1, 2-alkylene oxide solution, recycling a substrate olefin and a solvent methanol, and carrying out hydration reaction on 1, 2-alkylene oxide and water in a fixed bed reactor under the action of an ion exchange resin catalyst to generate 1, 2-diol; and feeding the hydration product into a rectifying tower, and carrying out dehydration and impurity removal to obtain a high-purity odorless 1, 2-diol product. The method has the advantages of high product yield, no odor, inhibition of impurity generation, improvement of the product quality, simplification of the production process, no environmental pollution and realization of green production.

The invention belongs to the technical field of toilet paper production, and particularly relates to environment-friendly fiber toilet paper production equipment and a method thereof.The environment-friendly fiber toilet paper production equipment comprises a rack, a raw material frame installed on the surface of one end of the rack and a tensioning guide frame installed on the surface of the rack; the compacting and rolling assembly comprises an outer cover fixedly installed on the surface of the rack. By means of the automatic feeding device, toilet paper rolls can be automatically wound and formed, the workload of manual arrangement and toilet paper winding is reduced, the automation degree of production is improved, roll cores can be rapidly and accurately supplied to the machining position, the time and steps needed by manual feeding are reduced, and therefore the overall production efficiency is remarkably improved, automatic feeding of the roll cores is achieved, and the production efficiency is improved. The adhesive in the adhesive storage box can be conveniently smeared on the surface of toilet paper through the tail end of the adhesive smearing pipe, follow-up rolling forming is facilitated, continuous production can be easily achieved, and therefore the overall production efficiency is greatly improved.