81results about How to "Easy delivery" patented technology

The invention discloses a wax oil hydrogenated treatment and catalytic cracking combined method, which comprises the following steps of: performing hydrogenated reaction on hydrogenated treatment raw materials in the presence of hydrogen and hydrogenated treatment catalyst, performing gas-liquid separation on the hydrogenated reaction effluent, circulating the gas phase for the hydrogenated reaction, directly feeding the liquid phase into a catalytic cracking device without fractionation, and mixing dry gas and liquefied gas separated from the catalytic cracking reaction effluent, catalytic cracking heavy fraction formed by catalytically cracking gasoline and the hydrogenated treatment raw materials to perform hydrogenated reaction. Compared with the prior art, the method can produce maximum gasoline, meanwhile saves equipment investment, makes full use of reaction heat energy and reduces the production energy consumption.

The invention discloses an intelligent hydrogel as well as a preparation method and an application thereof and a hydrogel. The intelligent hydrogel is P(NIPAM-co-CS)/Fe3O4 and comprises iron oxide, N-isopropyl acrylamide and chitosan. The preparation method comprises the following steps: dissolving FeCl2.4H2O and FeCl3.6H2O in a mixed solvent of ethanol and water and reacting to prepare hydrophilic Fe3O4 nanoparticles under the protection of nitrogen and by adopting ammonia water as a precipitating agent; ultrasonically dispersing the prepared Fe3O4 nanoparticles in a chitosan liquid, adding a temperature-sensitive monomer N-isopropyl acrylamide and in the presence of a crosslinking agent and an initiator and by adopting tetramethylethylenediamine as an accelerator, carrying out polymerization reaction to prepare the intelligent hydrogel P(NIPAM-co-CS)/Fe3O4 by virtue of a micro-emulsion polymerization method. The intelligent hydrogel can be applied in the preparation of a water body heavy metal ion adsorption-desorption agent for removing heavy metal ions in water body.

The invention discloses a hydrotreatment and catalytic cracking combined method for residuum. The hydrotreatment and catalytic cracking combined method for residuum comprises the following steps that a residuum raw material and at least part of a catalytically cracked diesel fraction undergo a hydrotreatment reaction in the presence of hydrogen and a hydrotreatment catalyst in a hydrotreatment device; a hydrotreatment reaction effluent is subjected to gas-liquid separation; a gas phase is circularly used for a hydrotreatment reaction and a liquid phase directly enters into a catalytic cracking device without passing through a fractionation device and then undergoes a catalytic cracking reaction; a catalytic cracking reaction effluent is treated by the fractionation device so that dry gas, liquefied gas, a catalytically cracked gasoline fraction, a catalytically cracked diesel fraction, catalytically cracked recycle oil and catalytically cracked slurry are separated out; a part or all of the catalytically cracked diesel fraction is fed back to the hydrotreatment device and then undergoes a hydrotreatment reaction; and the catalytically cracked recycle oil is fed back to the catalytic cracking device and then undergoes a catalytic cracking reaction. Compared with the prior art, the hydrotreatment and catalytic cracking combined method for residuum can realize maximum-yield production of gasoline, save an equipment investment, fully utilize reaction heat and reduce production energy consumption.

The invention belongs to the field of ferrous metallurgy and relates to a blast furnace iron-making process using water-coal-slurry as fuel and reducer for iron-making. The process using water-coal-slurry is simple and safe, and the injecting process of water-coal-slurry provides convenience for accurate control and precise measurement. A water-coal-slurry oxygen blast furnace utilizes normal-temperature oxygen and water-coal-slurry as fuel which is injected into the blast furnace so as to partially displace coke and coal dust; the injected amount of oxygen is 200 to 500 Nmt HM, the injected amount of water-coal-slurry is 200 to 400 Nm/t HM, the required weight ratio between coal and water in the water-coal-slurry is 7:3, and the required thermal value of the water-coal-slurry is larger than 20 MJ/kg. The water-coal-slurry is decomposed and burnt to generate water-gas reaction in a circulation zone of a blast-furnace tuyere, the absorbed heat can be adopted to solve the problem of 'lower hot' caused by smelting with prior oxygen blast furnaces, and a large amount of gas generated by the decomposition and burning of the water-coal-slurry raises and can relieve the problem of 'upper cold' caused by the full-oxygen injection of the blast furnace; and the water-coal-slurry oxygen blast furnace contains rich H2 so as to enhance the penetrating power and reduction performance of blast-furnace coal gas, raise the indirect reduction degree of the blast furnace and reduce the emission amount of CO2 by 200 to 500 Nm/t HM. The process reduces both manufacturing cost and pollution to environment.

The invention relates to a combined roller bed which is characterized by comprising a base, a floating frame, a lifting guide connecting mechanism, a lifting driving mechanism, a conveying mechanism and a rotating mechanism, wherein the floating frame is connected to the base through the lifting guide connecting mechanism and can lift and move under the driving of the lifting driving mechanism; the conveying mechanism is mounted on the conveying mechanism and is used for supporting and driving a workpiece to transversely move and convey when the floating frame lifts up to a high position; the rotating mechanism is mounted on the base and is used for supporting and driving the workpiece to rotate around the axis of the workpiece when the floating frame lifts down to a low position. The combined roller bed has functional diversity and can conveniently realize the lifting, rotation and conveying of the cylinder workpiece. Workpiece cutting and welding can be carried out on the roller bed, most production demands are met, and the production efficiency is improved. The combined roller bed has the advantages of compact in structure and low in maintenance cost.

The invention discloses a hydrotreatment and catalytic cracking deeply-combined method for residuum. The hydrotreatment and catalytic cracking deeply-combined method for residuum comprises the following steps that a residuum raw material, at least part of catalytically cracked heavy recycle oil and at least part of catalytically cracked slurry undergo a hydrotreatment reaction in the presence of hydrogen and a hydrotreatment catalyst in a hydrotreatment device; a hydrotreatment reaction effluent is subjected to gas-liquid separation; a liquid phase directly enters into a catalytic cracking device without passing through a fractionation device and then undergoes a catalytic cracking reaction; a catalytic cracking reaction effluent is treated by the fractionation device so that dry gas, liquefied gas, a catalytically cracked gasoline fraction, a catalytically cracked diesel fraction, catalytically cracked heavy recycle oil and catalytically cracked slurry are separated out; and a part or all of the catalytically cracked heavy recycle oil and the catalytically cracked slurry are fed back to the hydrotreatment device and then undergo a hydrotreatment reaction. Compared with the prior art, the hydrotreatment and catalytic cracking deeply-combined method for residuum can realize maximum-yield production of gasoline, save an equipment investment, fully utilize reaction heat and reduce production energy consumption.

The present invention provides a novel technical device of sludge dehydration and belongs to the solid waste disposal field. The device is applicable to the dehydration and granulation requirements of sludge with various components. A single screw and reverse screw threads and a peculiar structure arrangement are adopted to make the water of the sludge (a moisture content of which is about 80 percent) is dehydrated as a form of liquid, and make the sludge form a sludge dehydration and granulation process, the moisture content of which is 30 percent to 35 percent. A special sludge dehydration and granulation machine fills a blank that the sludge dehydration has to be dehydrated as the form of water vapor, which greatly reduces the energy cost of the sludge dehydration. With small size, low operation cost, high production efficiency, high mechanization degree and wide scope of application, the present invention is a novel and most energy-saving and cleanly-produced sludge dehydration device.

The invention discloses a residual oil hydrogenation treatment and catalytic cracking combined processing method, which comprises: performing the hydrogenation reaction of a residual oil raw material in the presence of hydrogen and a hydrogenation treatment catalyst, and performing gas-liquid separation of efflux of hydrogenation reaction, wherein a gas phase is circularly used in a hydrogenation reaction, and a liquid phase is fractioned to form a light component and a heavy component; allowing a light component to enter a reactor from the bottom of a catalytic cracking riser reactor, allowing a heavy component to enter the reactor as secondary feed of the catalytic cracking riser reactor and performing a catalytic cracking reaction; and separating a dry gas, a liquefied gas and a gasoline fraction from efflux of a catalytic cracking reaction, wherein the fractions of diesel are not separated and enter a residual oil hydrogenation device after filtration. Compared with the prior art, the method can produce high-octane number gasoline and high-added-value liquefied gas to a maximum degree; meanwhile, the method can fully utilizes reaction heat and reduces production energy consumption.

The invention discloses a hydrotreatment and catalytic cracking combined method for residuum. The hydrotreatment and catalytic cracking combined method for residuum comprises the following steps that a residuum raw material and at least part of catalytically cracked heavy recycle oil undergo a hydrotreatment reaction in the presence of hydrogen and a hydrotreatment catalyst in a hydrotreatment device; a hydrotreatment reaction effluent is subjected to gas-liquid separation; a gas phase is circularly used for a hydrotreatment reaction and a liquid phase directly enters into a catalytic cracking device without passing through a fractionation device and then undergoes a catalytic cracking reaction; a catalytic cracking reaction effluent is treated by the fractionation device so that dry gas, liquefied gas, a catalytically cracked gasoline fraction, a catalytically cracked diesel fraction, catalytically cracked heavy recycle oil and catalytically cracked slurry are separated out; and a part or all of the catalytically cracked heavy recycle oil is fed back to the hydrotreatment device and then undergoes a hydrotreatment reaction. Compared with the prior art, the hydrotreatment and catalytic cracking combined method for residuum can realize maximum-yield production of gasoline, save an equipment investment, fully utilize reaction heat and reduce production energy consumption.

This invention relates to a method for inserting hidden lines in sheets, which sets up a corresponding list to search for the numbers of the corresponding hidden lines of the being inserted content and computes the current typeset region when setting up a type then to fill in hidden lines pictures repeatedly in this region, which can fit the hidden lines at suitable positions to realize the synchronization of hidden lines information and content.

The invention relates to a sections-distributed-in-pairs twin-volute mine wearable multi-stage pump suitable for conveying sewage with different granules and concentrations in a mine. The sections-distributed-in-pairs twin-volute mine wearable multi-stage pump is characterized in that an effluent stage of the pump is arranged in the middle of the pump, and impeller assemblies at both sides are oppositely arranged, and a final-stage impeller and the middle segment of a final-stage double volute are oppositely arranged. When the pump is provided with an oven number of stages, the impeller assemblies at both sides are symmetrically arranged. When the pump is provided with an odd number of stages, the front impeller assembly is provided with one more pulley. The sections-distributed-in-pairs twin-volute mine wearable multi-stage pump is innovated and improved in the aspects in axial force balance of the pump, the over-current piece and the clearance sealing life of the pump, the diluted oil lubrication of the bearing, circular cooling by utilizing shaft seal leakage, and the like. Accordingly, in the service life of the pump, the axial force of the pump is basically balanced, and residential axial force is borne by angular contact bearings in pair at the back of the pump which keeps long-term high-efficiency operation, and the fault-free working time and the overhaul-period average life of the pump are greatly improved.

The invention discloses a fully-automatic demolding device for automobile production. The device comprises a bottom plate horizontally arranged; two clamp plates are hinged on both sides of the top ofthe bottom plate; first springs are connected to the bottoms of the sides, close to each other, of the two clamp plates; the ends, away from the clamp plates, of the first springs are connected to the bottom plate; a connecting rod hinged to the corresponding clamp plate is arranged above each first spring; a squeezing block is welded to the end, away from the corresponding clamp plate, of each connecting rod; a pushrod motor fixedly connected with the top end of the bottom plate is arranged below the squeezing blocks; a horizontally-arranged layer board is welded to the tail end of an outputshaft of the pushrod motor; two support plates welded to the bottom plate are arranged on both sides of the pushrod motor; and fixing blocks are welded to the top of the sides, close to each other, of the two support plates. The fully-automatic demolding device is novel in design and simple in operation, and combination and separation of a main body of a mold are convenient, so that a workpiece is easily separated from the main body of the mold to facilitate the output of the workpiece.

The invention provides a device for carbonizing biomass by electromagnetic wave, and belongs to the technical field of a machine. The device solves the technical problems that efficiency of the existing carbonizing device is low and the heat energy cannot be recycled, and others. The device for carbonizing biomass by the electromagnetic wave comprises a frame, wherein a feeding device is arranged on the frame and comprises a feeding cylinder with a first channel inside; the upper part of the feeding cylinder is provided with a feeding opening, and the feeding opening is connected with the first channel at inside of the feeding cylinder; the feeding opening is provided with a feeding hopper, and a spiral feeder is arranged in the feeding cylinder; a carbonizing cylinder is further fixed on the frame, one end of the carbonizing cylinder is provided with a carbonizing cylinder inlet while the other end is provided with a carbonizing cylinder outlet; the carbonizing cylinder and the feeding cylinder are sealed; a discharging cylinder is further fixed on the frame, the discharging cylinder and the carbonizing cylinder are sealed; a heat recycling device for recycling heat in the discharging cylinder is further arranged at outside of the discharging cylinder. The device for carbonizing biomass by the electromagnetic wave has the advantages of high carbonizing efficiency, good carbonizing quality, and the like.

The invention provides a washing machine which can be conveniently used by old people. The washing machine comprises a washing machine body, a clothes collecting basket, a clothes lifting passage, a clothes delivering trolley, a clothes delivering passage and a control system; the washing machine is a general household pulsator washing machine, a roller inner container and a clothes collecting fixed groove are arranged inside the washing machine, and a second-level hydraulic cylinder is arranged at the bottom of the washing machine; the clothes lifting passage is arranged right above the washing machine, and a lower track board, an upper track board, a lifting hydraulic cylinder and a clothes lifting track are arranged in the clothes lifting passage; a clothes lifting guide pulley is arranged on the clothes collecting basket; the clothes lifting guide pulley corresponds to the clothes lifting track; the clothes delivering passage is communicated with the clothes lifting passage; the clothes delivering trolley and a clothes delivering track are arranged in the clothes delivering passage; the clothes delivering trolley sleeves the clothes delivering track; the clothes delivering track is divided and communicated with a clothes air-drying area, bedrooms and a bathroom, and a fan and an operative control panel are arranged at the exit of the clothes delivering track. The washing machine achieves that clothes can be automatically sent for washing and air-drying, the washing machine can be ventilated to avoid unpleasant odor, the structure is simple, the operation is simple, andthe washing machine is quite suitable for old people who is unable to move freely to use independently.

The invention relates to a method for manufacturing a beryllium bronze explosion-proof hammer. The method is characterized in that a metal casting mold is used for forming, and a metal column comprises an upper half mold and a lower half mold which are horizontally split; an upper casting mold half cavity is formed in the upper half mold, a lower casting mold half cavity corresponding to the uppercasting mold half cavity is correspondingly formed in the lower half mold, an upper half core is arranged in the center of the top surface of the upper casting mold half cavity, and a lower half coreis arranged in the center of the bottom surface of the lower casting mold half cavity; an exhaust channel is formed in the position, positioned on the parting surface of the upper half mold and the parting surface of the lower half mold, of the outer side of an explosion-proof hammer head cavity; an upper pressing head is arranged on the upper half mold; a material storage cavity is formed in thecenter of the lower half mold, and a lower pressing head is arranged at the bottom of the material storage cavity; and a flow channel is formed between the material storage cavity and the lower casting mold half cavity. The invention further relates to the method for manufacturing the beryllium bronze explosion-proof hammer by utilizing the metal casting mold, so that the problems that the density is low, the structure is thick and large, and blocks are prone to jumping in the using process in the process of producing the beryllium bronze explosion-proof hammer by an existing casting technology are solved.