55results about How to "Avoid multiple transfers" patented technology

The invention belongs to an operating method for an olefin conversion device and relates to a device for preparing olefin such as methanol to olefin (MTO) and methanol to propylene (MTP) by using organic oxides such as methanol, dimethyl ether and the like. The method is characterized by comprising the following steps that: when the device is operated, catalysts of a reactor 2 and a regenerator 3are respectively introduced from respective catalyst tank and are added in two paths; and the catalysts respectively added into the reactor and the regenerator are heated depending on an external heat source and a heating medium which are independently arranged, namely, the reactor 2 is provided with an operating steam superheater 1 to heat the catalyst by using high-temperature steam and the regenerator 3 is provided with an auxiliary combustor to heat the catalyst by using high-temperature air. When added, the catalysts are not transferred from the regenerator 3 to the reactor 2, namely thecatalysts are not transferred between the reactor and the regenerator.

The invention relates to a polyethylene coated steel pipe and on-line method and apparatus for preparing same. Steel pipe is employed as base material for polyethylene coated steel pipe, and the outer surface of the steel pipe is coated with jointless annular polyethylene gummed tape. Production facilities of the pipe includes steel pipe shot-blast rust cleaning machine comprised of a rotating cylinder bracket, a rotating cylinder, a feeding wheel, a support wheel, a feeding worm wheel speed reducer, a feeding direct current dynamo, a high-frequency induction heating coil, a driving worm wheel speed reducer, a driving AC motor and a electrical control cabinet, and a steel pipe outer anticorrosion coating machine comprised of a induction heating transformer, a walking frame, a swing frame, a rotating frame, a winding device, a supporting frame, a low-voltage electrical casing and a controller. In pipeline installation locale, the steel pipes are welded into pipelines after derusted by the steel pipe shot-blast rust cleaning machine, the steel pipe outer anticorrosion coating machine is nested on the pipeline and carries out helical motion, after high-frequency induction heating on the steel pipe, the spray head injects the epoxy powder on outer surface of the steel pipe, after high-frequency induction heating of the belt-winding cylinder, adhesive tape and polyethylene gummed tape pulled out from the winding device become hot tapes, by helical motion of the steel pipe outer anticorrosion coating machine along pipeline centre-line, the adhesive tape and polyethylene gummed tape are coated on the outer surface of the steel pipes.

The invention relates to a steel pipe painted with polythene and manufacturing method and mobile production line. A drum type rust remover, a drum type threading machine, a drum type spray coater, a drum type winding machine, a drum type cooling fan, a drum type dust removing threading machine, and a drum type spray winding machine are connected in turn to form the mobile production line. At a pipe laying site, a steel pipe in turn enters the drum type rust remover, the drum type threading machine, the drum type spray coater, the drum type winding machine and the drum type cooling fan, and makes helical movement under the support of a feeding wheel and a supporting roller in a rotating drum body. The steel pipe is heated through a high-frequency induction heating method, and rust spots are removed from the external surface of the steel pipe through a mechanical method and the steel pipe is threaded also through a mechanical method, the epoxy powder spray coater is used to spray epoxy powder to the external surface of the steel pipe, the epoxy powder and a composite polythene cold adhesive tape are heated indirectly through the high-frequency induction heating method and the cold adhesive tape is turned into a composite polythene hot adhesive tape, and through a mechanical winding method, the composite polythene adhesive tape is applied onto the epoxy powder layer to produce the steel pipe painted with polythene.

The invention discloses a data transmission device. The device comprises an establishment module used for receiving a data transmission instruction sent by a first terminal of a first operating system, and then establishing a storage path corresponding to the data transmission instruction according to the received data transmission instruction; a determination module used for determining whether the storage path corresponding to the data transmission instruction has been established or not; and a first sending module used for sending a successful establishment massage to the first terminal after the successful establishment of the storage path. In this way, the first terminal can transmit data to a second terminal based on the successful establishment massage. The invention also discloses a data transmission method. According to the invention, the data transmission efficiency is improved.

The invention relates to a burst pack sending system based on light burst exchange network, comprising a service data pack receiving and information extracting module, a burst pack generating and information maintaining module, a SDRAM controller, and a burst pack buffer and un-sent burst pack information receiving processing module. The inventive also relates to a burst pack sending method based on light burst exchange network, comprising that writing service data and description information into the buffer, assembling service data into a burst pack, to be stored into a SDRAM via the SDRAM controller, when reaches pack length or time threshold value, sending the burst pack description information to a distribution chip, when receives the sending signal of the distribution chip, reading the un-sent burst pack from the SDRAM into the burst pack buffer, when reaches sending time, converting the burst pack into a light burst data pack to be sent to a target address. The invention respectively stores data and description information, to avoid multiple transfers and operations on the data of service data pack, to improve assembly efficiency.

The invention provides an automatic and rapid detection method and system for trace iron ions in power plant water vapor and application. The system comprises a reducing reagent bottle (1), a color reagent bottle (2), a buffer liquid bottle (3), a current-carrying bottle (4), a water sample bottle (5), a flow injection analyzer (9), a combination module (10), a Y-type tee joint (11), a color reaction disk tube (13), a reducing reaction disk tube (14) and a detection device (15), wherein the flow injection analyzer (9) comprises a main pump (6), an auxiliary pump (7), an eight-channel sampling valve (8) and a sampling ring (12). The invention further provides an automatic and rapid detection method for trace iron ions in power plant water vapor and application of the method in detection of trace iron ions in power plant water vapor. The method and the system provided by the invention can realize automatic, rapid, accurate and reliable determination of trace iron ions in power plant water vapor, and the detection limit is 0.5mu g/L.

The invention discloses a surface treatment device for a sand core of a housing. The device mainly comprises a supporting base, a tool clamp, a driving device and a PLC control system as well as a stirring tank and a dip-coating tank which are arranged on the supporting base, wherein the stirring tank is communicated with the dip-coating tank by virtue of a pipeline to form a closed loop; a hydraulic pump is arranged on the pipeline; the tool clamp is arranged above the dip-coating tank and is fixedly arranged on the lower end part of the driving device; the PLC control system is electrically connected with the tool clamp and the driving device; the PLC control system controls the tool clamp to clamp the sand core and controls the driving device to penetrate the clamped sand core into the dip-coating tank to be dip-coated. According to the surface treatment device disclosed by the invention, the coating in the dip-coating tank is still in a dynamic state, the sand core is clamped by virtue of the tool clamp and the moving trajectory of the sand core is controlled by virtue of the driving device, and the time of dip-coating the sand core is controlled, so that a consistent surface coating thickness is obtained, and therefore, the stability of the product dimension is facilitated; moreover, the working environment of the operator is effectively improved, personnel allocation is optimized, and the work efficiency is greatly improved.

The invention relates to a manufacture method for grid, which comprises the following steps of: providing a semi-conductor substrate and forming a conductive layer on the semi-conductor substrate; revolving and coating optical carved glue layer on the conductive layer and imaging to form a grid pattern; transferring the grid pattern to the conductive layer through etching; measuring the line width of the grid and judging whether the bottom of the grid has a foot-shaped drawback, and performing directional plasma etching for the grid which has the foot-shaped drawback. The grid formed by the method has a better side wall profile.

The invention discloses a bag clamping device realizing movable clamping through a bag sleeving ring. The bag clamping device comprises first brackets, fourth brackets, fifth brackets, fixing plates, clamping ring supports, piston rods, third brackets and second brackets, wherein each fixing plate is connected with one end of the corresponding fifth bracket, the other end of the fifth bracket is connected with one end of the corresponding fourth bracket, the middle of the fourth bracket is connected with one end of the corresponding clamping ring support, the other end of the clamping ring support is connected with a clamping ring, a hydraulic cylinder is arranged at the other end of the fourth bracket, a piston of the hydraulic cylinder is connected with one end of the corresponding piston rod, the other end of the piston rod is connected with one end of the corresponding third bracket, the other end of the third bracket is connected with one end of the corresponding second bracket, the other end of the second bracket is connected with one end of the corresponding first bracket, and the other end of the first bracket is connected with the lower end of the bag sleeving ring. Materials required to be bagged can be directly discharged into a bag, repeated transfer is avoided, and the labor intensity is reduced; meanwhile, the contact areas of the bag sleeving ring and the clamping ring with the bag are larger when the bag sleeving ring and the clamping ring clamp the bag, and the bag can be clamped stably.

The invention discloses a system and a method for collecting user questions. The system comprises a chat robot, a question answering module, a database, and a quality platform. The chat robot is usedfor actual interaction with a user. The question answering module is used for guiding the chat robot to interact with the user to locate user question types and obtaining questions reported by the user and user information. The database is used for storing the located user question types, the questions reported by the user, and the user information. The quality platform obtains the user question types, the questions reported by the user, and the user information for analysis. Thus, the process of recording the entire process of problem classification, information collection, problem analysis and problem tracking is realized without human participation by taking the chat robot as a front end entrance. The structural problem obtained through analysis can be automatically provided to the back-end research personnel, thereby improving the recommendation precision of the whole recommendation system.

The invention provides a product price information obtaining method and system. The method comprises the step of presetting a comparison plug-in in a client, and further comprises the steps that S1: the comparison plug-in obtains product information of a target product in a page corresponding to a current url address; S2, the comparison plug-in sends the product information to a server; S3: the server, according to the product information, generates at least one target url address; and S4: the server obtains price information of the target product in the page corresponding to each target url address. Through the technical scheme, the use costs of consumers in a price comparison process can be reduced.

The invention relates to an insurance service data processing method and device based on a block chain, a computer readable storage medium and a computer device. The method comprises the following steps: receiving an underwriting request sent by the terminal, extracting user identity information carried in the underwriting request and an insurance type requesting underwriting; and obtaining user health data corresponding to the user identity information from a preset health data block chain network, searching a target intelligent contract corresponding to the insurance type, executing underwriting logic declared in the target intelligent contract, performing underwriting verification on the user health data, and feeding back an underwriting verification result to the terminal. According tothe scheme provided by the invention, multiple times of circulation and man-machine interaction of the data in the underwriting process can be avoided, the resource consumption is reduced, the processing efficiency is improved, the authenticity and reliability of a data source and the safety of a data verification process can be ensured, and the underwriting accuracy is further improved.

The invention discloses a detection platform for internal medicine with functions of assisting and fixing. The detection platform comprises a bed plate, wherein the lower surface of the bed plate is provided with a moving base and is fixedly connected with a telescopic end of a first electric telescopic rod of the moving base, the lower surface of a bottom plate of the moving base is provided withfour positioning devices which are arranged in a rectangle, a storage box is arranged in the middle part of the upper surface of the bottom plate, a storage battery pack is arranged in the storage box, a storage frame is arranged in the middle part of the lower surface of the bed plate, a drawer is movably clamped in a rectangular groove at the side surface of the storage frame, a positioning frame is arranged at the rear end of the upper surface of the bed plate. The detection platform for the internal medicine with the functions of assisting and fixing is good in stability and can move, theheight of the bed plate can be adjusted, the detection platform can assist and fix patients and medical equipment respectively and prevent the patients from being transferred many times and can conveniently help medical personnel to inspect the patients, the operation is simple and the use is convenient.

The invention discloses a method for determining the content of total selenium in selenium-enriched proteoglycan by high performance liquid chromatography. The invention relates to a method for producing 2, 3, 5, 6-tetramethylpiperidine, 2, 3-diaminonaphthalene is used as a chelating agent; 400 microliters of acetonitrile is used as a dispersing agent; the method comprises the following steps: diluting a chelate (4, 5-benzo kohlrabi selenium brain) of selenium (IV) and 2, 3-diaminonaphthalene by acetonitrile, directly separating by using a PFP chromatographic column, eluting by using acetonitrile, measuring the fluorescence intensity by using a fluorescence detector under the conditions that the excitation wavelength is 376 nm and the emission wavelength is 520 nm, and quantifying by usingan external standard method. The method has the characteristics of stable experimental result, less sample transfer, less reagent consumption, high recovery rate and the like.

The invention relates to the technical field of chemical loading equipment, and discloses a liquid chemical raw material quantitative loading control meter. The liquid chemical raw material quantitative loading control meter comprises a centrifugal bin, supporting seats are arranged at the bottoms of two sides of the centrifugal bin, and a sealing cover is movably connected to one side of the topof the centrifugal bin. One side of the sealing cover is connected with the centrifugal bin by a clamping device in a clamped mode, a mounting frame is fixedly mounted on the middle part of the top end of the centrifugal bin, and a driving motor is arranged at the top of the mounting frame. An insulating bin is fixedly mounted on the side, away from the sealing cover, of the top of the centrifugalbin, and a bearing is arranged at the top of an inner cavity of the centrifugal bin. The liquid chemical raw material quantitative loading control meter can facilitate the addition of chemical raw materials through the cooperation of the sealing cover and the clamping device, the sustainable feeding of the device is realized, the sealing property in the centrifugal bin is ensured, the oxidation reaction when chemical raw materials in a stirring bin are in contact with air is avoided, the content of chemical raw material components is reduced, and the quality of chemical product production isimproved.

The invention discloses a one-pot technology of 4'-methyl-2-carboxylate biphenyl. In a same reaction container, under the acidic condition, 4'-methyl-2-cyanobiphenyl is hydrolyzed within 24 h to generate 4'-methyl-2-biphenyl carboxylate; an organic solvent which is hard to dissolve in water is then used to carry out refluxing so as to remove superfluous water; organic compounds containing hydroxyl groups such as alcohol and the like are added; and under the catalysis of an esterification catalyst such as sulfuric acid and the like, 4'-methyl-2-carboxylate biphenyl is generated. Multiple flowing of materials is avoided, generation of ammonia gas and salt-containing wastewater is avoided, and environmental friendliness is increased. Investment in ammonia gas absorption and intermediate product separation equipment is minimized, synthesis period is short, manpower and material resources are saved, and costs are reduced. A by-product ammonium sulfate can be used as a raw material of an agricultural compound fertilizer, thus achieving the purpose of comprehensive utilization.

The invention relates to a tool handle secondary injection molding device. The tool handle secondary injection molding device comprises a three-color injection molding machine, a mold frame, a lower mold arranged at the front end of the mold frame, an upper mold provided with a heater, an upper mold lifting device, a workpiece clamping and transposition device, a primary injection molding cavity, a secondary injection molding first-color injection molding cavity, a secondary injection molding second-color injection molding cavity, and three accommodating holes of which the rear ends communicating with the primary injection molding cavity, the secondary injection molding first-color injection molding cavity and the secondary injection molding second-color injection molding cavity in a one-to-one correspondence manner. The primary injection molding cavity, the secondary injection molding first-color injection molding cavity and the secondary injection molding second-color injection molding cavity are encircled by the upper mold and the lower mold and sequentially arranged in the left-right direction. A trademark character bump is arranged on the upper side of the secondary injection molding first-color injection molding cavity. The upper mold is provided with a primary injection molding runner which separately communicates with the primary injection molding cavity and a first injection molding opening of the three-color injection molding machine, a secondary injection molding first-color runner which separately communicates with the secondary injection molding first-color injection molding cavity and a second injection molding opening of the three-color injection molding machine, and a secondary injection molding second-color runner which separately communicates with a trademark character arranged in the secondary injection molding second-color injection molding cavity and a third injection molding opening of the three-color injection molding machine.