51results about How to "Flexible working methods" patented technology

The invention discloses a smelting process of low-grade scrap copper. The process comprises the following steps: 1) generation of an initial molten pool; 2) a melting process, namely continuously adding auxiliary materials into a top blowing furnace, inserting a spray gun into melt, spraying oxygen-enriched air and fuel into the melt, carrying out submerged combustion and top-blown smelting, and stopping adding the auxiliary materials when the liquid level of the melt in a to-be-blown furnace is 0.3m to 0.5m higher than a bleed hole, repeatedly carrying out smelting and slagging operations after opening the bleed hole for slagging, and stopping charging and melting when the black copper melt surface inside the top blowing furnace ascends to the position which is 100mm to 200mm below the bleed hole; (3) a blowing process, namely exhausting slag inside the top blowing furnace, inserting the spray gun into black copper, and spraying the oxygen-enriched air and fuel to carry out submerged combustion and blowing, and respectively discharging the produced raw copper and blowing slag from a copper discharge hole and the bleed hole; and 4) repeating of the smelting and blowing processes. According to the technical scheme disclosed by the invention, the operation for smelting scrap copper is flexible, and the smelting process is strong in adaptability on raw materials, high in safety, and high in recovery rate of copper and valuable metal.

The invention discloses a building facade three-dimensional reconstruction method based on knapsack type three-dimensional laser point cloud data, and relates to the technical field of geographic information. The method comprises the following steps: S1, acquiring building point cloud data; S2, automatically extracting building facade point cloud data; S3, automatically segmenting the single buildings; S4, acquiring a geometric position boundary of the building facade; and S5, building facade three-dimensional reconstruction. A point cloud filtering algorithm based on voxel projection densityis adopted to effectively filter non-building targets such as the ground and vegetation while a relatively complete building target is reserved, and then automatic segmentation of a single building isrealized by utilizing an image global search and profile analysis method. An RANSAC algorithm is used to carry out facade automatic segmentation and redundant facade elimination on the single building point cloud to obtain a building facade geometric position boundary; and the two-dimensional boundary line is used to constrain the original point cloud data and an RANSAC algorithm is combined tocarry out facade three-dimensional boundary straight line fitting so as to obtain a building facade geometric frame model.

The invention provides a satellite locating pseudorange difference method. The method comprises the steps that: the observation data of a reference station network is utilized to acquire the error corrections of the non-pseudorange observed values of all the reference stations; the error corrections of the satellite non-pseudorange observed values of all the reference stations are processed, the error corrections of the non-pseudorange observed values of the satellites of all the roving stations are obtained through calculation, wherein the error corrections of the non-pseudorange observed values of the satellites of all the roving stations contain various error influences of the pseudorange observed values; and the error corrections of the non-pseudorange observed values of the satellites of all the roving stations are adopted to launch the pseudorange locating process of the roving stations.

The invention discloses a movable wheel type trolley supporting system for a long-distance overlapping shield tunnel of small clear distance, comprising one or a plurality of groups of wheel type supporting trolleys with the same structure, wherein the groups of wheel type supporting trolleys can move back and forth on steel rails arranged in a constructed shield tunnel and are assembled into a whole by connecting bars; each wheel type supporting trolley comprises a trolley frame, a running mechanism and a plurality of supporting mechanisms transversely arranged on the trolley frame; each supporting mechanism comprises a plurality of wheel type supporting mechanisms and a plurality of pushing devices for supporting; the wheel type supporting mechanisms and the pushing devices are symmetrically arranged on the trolley frame; and the wheel type supporting mechanisms are arranged in the constructed shield tunnel along a circumferential direction and come into contact with circular concrete segments arranged on the inner wall of the shield tunnel. The trolley supporting system has the advantages of reasonable structure, convenient installation, simple use and operation and good use effect, overcomes the defects of difficult installation and dumping and the like of the traditional crossed supporting system while in continuous support, and greatly enhances the supporting efficiency.

Provided is an uncoiling and blanking method. A strip coil is uncoiled, straightened and subjected to head cutting and enters a movable sleeve. After the strip coil leaves the movable sleeve, the surface of the strip coil is washed and smoothened, and the strip coil is subjected to laser cutting and blanking. Laser cutting adopts static double laser cutting heads to cut the strip coil, cut waste materials fall in a cutting area and are conveyed to the outside. After cutting is finished, obtained sheet materials are cut off for the last time and received by a material receiving device and conveyed to a grabbing stacking area through a conveyor belt, and the sheet materials are stacked. By means of the uncoiling and blanking method, laser static cutting is adopted, operation rhythm and yield can be effectively improved through collaborative operation of the two laser cutting heads, a die blanking mode is replaced, dies are not required, maintaining cost of the dies is saved, die stacking space is not required, an operation mode is flexible, production line layout is simplified, and operation is easy.

The present invention relates to a making system of Customs BOM and its method. It at least includes the following steps: obtaining production BOM from enterprise resource planning system or production field management system; obtaining requirements of Customs for making Customs BOM; creating look-up table of enterprise material number and Customs finished product material number; creating data structure in relationship data base according to the requirements of Customs; receiving recorded finished product material number, obtaining correspondent data from production BOM and look-up table of enterprise material number and Customs finished product material number and generating Customs BOM.

A variable two-dimensional code lock is based on a smallest single chip microcomputer system and comprises a variable two-dimensional code display module, a two-dimensional code internal-processing module, a keyboard password inputting submodule, a power supply circuit, a reset oscillating circuit, an unlocking circuit, a two-dimensional code switch, a lock state detecting module, an internal timing module and a server matched with the variable two-dimensional code lock in use. The lock state detecting module belongs to a subprogram in an internal master control program of a single chip microcomputer, whether the variable two-dimensional code lock is in an unlocked or locked mode is judged by detecting a high-level or low-level signal sent by the single chip microcomputer to an I/O port connected with the keyboard password inputting submodule, the two-dimensional code switch sends a switching signal to the single chip microcomputer after being pressed, the single chip microcomputer re-generates a two-dimensional code when the signal produced by the two-dimensional code switch is received each time, the two-dimensional code is scanned by using a user client-side and is sent to the server, the server analyzes the two-dimensional code and then obtains and sends the two-dimensional code to the client-side, and a user reads a password to achieve unlocking.

The invention discloses an acupoint catgut embedding gun with two operation modes available. The acupoint catgut embedding gun comprises a puncturing needle, a catgut embedding gun body, a flat-head ejector pin, a firing pin, a firing pin motor, a gear position assembly, a spool, a spool box and an electric knife, wherein the puncturing needle is arranged at the central position of the catgut embedding gun body and extends out from the left end part of the catgut embedding gun body, a suture inlet through which an absorbable suture can be placed in is arranged at the end part, extending out ofthe catgut embedding gun body, of the puncturing needle, the flat-head ejector pin extends into the catgut embedding gun body from the right end part of the catgut embedding gun body, the flat-head ejector pin can extend into an inner cavity of the puncturing needle, the left end part of the firing pin attaches to the right end part of the puncturing needle, the firing pin is driven by the firingpin motor, the firing pin can push the puncturing needle to extend out from the left end part of the catgut embedding gun body, the gear position assembly and the spool box are arranged on the catgutembedding gun body, the spool is arranged in the spool box, the absorbable suture is arranged on the spool, and the electric knife is arranged in the catgut embedding gun body. According to the different work conditions, two work methods are available.

The invention relates to a composite sweeping device and method for a gardening electronic sweeper. The composite sweeping device comprises a garbage pretreatment device and garbage aftertreatment devices; the garbage pretreatment device comprises composite smashing boxes installed on two longitudinal beams at the outer end of a vehicle frame, trapezoidal frames installed at the upper ends of the composite smashing boxes, two sets of cutter rollers installed in each composite smashing box body, position adjusting devices installed on the trapezoidal frames, composite rake sweeping brushes installed on the position adjusting devices of the trapezoidal frames and delivering devices connected with the composite smashing boxes; the garbage aftertreatment devices are installed at the two longitudinal beams at the outer end of the vehicle frame, and are located at the rear end of the composite smashing box. The composite sweeping device and method for the gardening electronic sweeper can achieve separate work and composite work of the garbage pretreatment device and the garbage aftertreatment devices, the garbage pretreatment device can gather, smash and recycle long branches, and the garbage aftertreatment devices suck and sweep dust and fine and small branches and leaves. The composite sweeping device and method for the gardening electronic sweeper are flexible in work mode, and solves the problems that long branches and leaves are difficult to sweep and not thoroughly cleaned.

The invention relates to a variable two-dimensional code lock, a variable two-dimensional code and a variable two-dimensional code lock working method and belongs to the technical field of electronicinformation and shared locks. After a two-dimensional code switch is pressed, a switch signal is transmitted to a single chip microcomputer; a two-dimensional code is generated by the single chip microcomputer when a signal transmitted from the two-dimensional code switch is received each time; the two-dimensional code is scanned by a client terminal of a user and is transmitted to a server; afterthe two-dimensional code is decoded by the server, a password is acquired and is transmitted to the client terminal; the user reads the password, and the password is input to unlock a lock. The lockdoes not need to directly communicate with the server, so that the data processing burden of the server is alleviated, and the manufacturing cost of the lock is reduced.

The invention relates to a plugging method of high-voltage electrical equipment, in particular to a high-voltage electrical equipment plugging method with pressure and without power outage. The method is characterized in that gap are filled by hitting materials around leakage points of leaked high-voltage electrical equipment (pneumatic or oil-filled equipment); a high frequency air-hammer serves as a caulking tool, the pressure is adjusted and high-frequency hitting frequency is controlled, and the leakage point plugging is realized by using original material of the equipment. According to the method, the original usage of the high-frequency hammer is changed, blockage clearing is replaced by leakage filling, the original operating manner of voltage decreasing, power outage and leakage filling is changed by the high-frequency caulking method, the high-voltage electrical equipment plugging with the pressure and without power outage is realized, equipment power outage is avoided, and the equipment is guaranteed to operate reliably; the gaps are filled by hitting material around the leakage points, addition material is omitted, and the problem of leakage point filling material is solved; material is saved, and repairing risks resulting from welding repair are avoided.

The invention discloses a sleeper positioning method for tamping operation. MATLAB software is used for calling a sleeper image in a basic image database, an image cutting operation is firstly adoptedfor cutting the sleeper image to obtain a target area of the sleeper image, then an opening operation is executed on the obtained target area, and meanwhile binarization processing is conducted on anopening operation result; furthermore, image subtraction (background subtraction) operation is carried out on the target area and the opening operation result, and in addition, rectangular structureelements and the binarization result are selected to carry out opening operation; then carrying out Canny edge detection on the opening operation; and the image data is processed according to a sleeper positioning algorithm to obtain a positioning result, and meanwhil a driving state monitoring result is recorded by the frame grabber. The technical problems that an existing rail line sleeper positioning mode is high in operation error, low in intelligent degree and unstable in lower pickaxe state are solved.

The invention discloses an SCR denitration method and device with a combined soot blowing function. The device comprises an SCR reactor, wherein steam soot blowers and sonic soot blowers are arrangedin sequence in the counter-smoke flow direction above each catalyst bed layer in the reactor; differential pressure transmitters are arranged between the upper and lower portions of the catalyst bed layers; all steam soot blowers are connected in parallel and then externally connected with an high-temperature steam source, each parallel pipeline is provided with a high-temperature steam electric valve respectively, and a main pipe is provided with a temperature sensor; all acoustic sensors are connected in parallel and then externally connected with a compressed air source, each parallel pipeline is provided with a compressed air electric valve respectively, and the main pipe is provided with a pressure transmitter; the device further comprises a controller, the temperature sensor, the pressure transmitter and all differential pressure transmitters are connected with the controller separately, and all high-temperature steam electric valves and compressed air electric valves are connected with the controller separately. The SCR denitration method and device with the combined soot blowing function solves the problems that the content of denitrated particulate matters of the SCR in acement kiln is large, large granular particles in soot cannot be removed, and the thermal energy loss is large due to the steam consumption of a pure steam scoot blower.

The invention provides a drilling switching method for a two pin board, and is applied to the technical field of circuit board production. The method comprises the steps: starting a universal drillingmachine, wherein the universal drilling machine is different from a two pin drilling machine; when the two pin board is switched to the universal drilling machine for operation, setting a program-form original point in a drilling tape of the two pin board as the central position of the two pin board, and calling a pre-stored drilling tape of the two pin board on the universal drilling machine; taking the central position of the two pin board as an original point, and carrying out pin carrying operation according to the drilling tape of the two pin board; and taking the central position of thetwo pin board as an original point, and carrying out drilling processing on the two pin board according to the drilling tape of the two pin board. According to the invention, the two pin board can bedrilled on a common drilling machine, so that the operation method of the board is more flexible, and the utilization rate and the operation rate of a machine table are also improved.

The invention relates to a small-scale landfill leachate full-quantitative emergency treatment method and system. The method comprises the steps that: landfill leachate sequentially passes through a lime reaction tank, a pretreatment container reaction tank, an inclined tube sedimentation tank, a PCF filter and a security filter; the pretreated landfill leachate enters a high-pressure reverse osmosis system, then clear liquid passing through the high-pressure reverse osmosis system enters an ion exchange system, ammonia nitrogen is removed, the landfill leachate is discharged after reaching the standard, and concentrated liquid passing through the high-pressure reverse osmosis system enters the next step; a membrane concentrated solution generated by the primary decrement system is fed into a forward osmosis system to further concentrate the membrane concentrated solution to obtain a super-concentrated solution, a clear solution is discharged after the clear solution reaches the standard to obtain a super-concentrated solution, and the super-concentrated solution enters a curing system; and the hyperconcentrated solution passing through the forward osmosis system is mixed with a curing agent, a pH regulating material and cement, and then the mixture is sprayed back to a refuse landfill through an injection machine. The landfill leachate full-quantitative treatment process solves the problem that zero emission is not achieved in landfill leachate treatment, and is convenient to operate and thorough in treatment.