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41results about How to "Does not affect utilization" patented technology

Method for reducing pyrolusite and co-producing sulfuric acid by utilizing sulfur in fluidized bed furnace

The invention discloses a method for reducing pyrolusite and co-producing sulfuric acid by utilizing sulfur in a fluidized bed furnace, which comprises the following steps of: blending the sulfur and the pyrolusite in a certain ratio, conveying the mixture into the fluidized bed furnace, reducing manganese dioxide in the pyrolusite into manganese oxide by using the sulfur and sulfur dioxide generated by combustion, discharging the manganese oxide into sulfuric acid solution or electrolytic manganese anode solution, slurrying and leaching manganese sulfate; and blowing air into the fluidized bed furnace from the upper section thereof, making sublimed sulfur fully combusted, performing temperature reduction and dedusting on sulfur dioxide generated by reaction, conveying the sulfur dioxide to a purification process, and producing the sulfuric acid by a sulfuric acid production process. By utilizing the conventional sulfuric acid producing fluidized bed furnace equipment, the production method can reduce the pyrolusite into the manganese sulfate, also can produce a great deal of sulfuric acid, greatly reduces equipment investment, saves investment, and reduces cost; meanwhile, in the reaction process, waste gas such as CO2, CO and SO2 and dust cannot be discharged, the operating conditions are good, and the environment is not influenced.
Owner:湖南省泸溪县金旭冶化有限责任公司

Pulley system of variable power crane hoisting hook and integrated system thereof

The invention discloses a pulley system of a variable power crane hoisting hook and an integrated system thereof. The pulley system comprises fixed pulley blocks, hook pulley blocks, a hook group, a steel wire rope and a winding winch, wherein the hook pulley blocks are connected onto the hook group; the hook group is configured with maneuverable pulley blocks which can be used as a component of crane pulley blocks, the maneuverable pulley blocks and the hook group adopt a detachable connection structure, a fixed frame of movable pulley blocks with the same number as that of the maneuverable pulley blocks is arranged at the part of the fixed pulley blocks or below the fixed pulley blocks, when the maneuverable pulley blocks are dismantled and released from the hook group, the maneuverable pulley blocks is automatically lifted by the steel wire rope to the fixed frame of the corresponding movable pulley blocks to be fixed, and at the moment, the positions of the fixed maneuverable pulley blocks and the paired fixed pulley are kept relatively unchanged. When the multiplying power of the pulley system is adjusted, the connecting pin and other parts of the maneuverable pulley blocks are only needed to be dismantled, so the workload is small, and the utilization rate of a crane is not influenced.
Owner:QINGDAO HAIXI HEAVY DUTY MASCH CO LTD

Parallel seawater desalination device based on ion concentration polarization effect

The invention provides a parallel seawater desalination device based on ion concentration polarization effect. The parallel seawater desalination device comprises a main channel and a buffer solutionchamber, and the main channel includes a main channel inlet and a main channel outlet. An ion-selective block is disposed in the main channel, and the ion-selective block is prepared by a cation-selective permeable membrane that is only for passing cation through, and the ion-selective block has a plurality of parallel micro-channels inside the main channel along an axis direction. the buffer solution chamber is disposed on the outer wall of the main channel, and the buffer solution chamber is connected to the ion-selective block to allow the ions in the ion-selective block to enter the buffersolution chamber, and the buffer solution chamber is grounded. A power source that is connected to adjustable electrode potentials is provided at the main channel inlet and the main channel outlet, and the potential at the main channel inlet is greater than the potential at the main channel outlet. The device realizes parallelism to the microchannel by punching holes on the ion-selective block, and the number of holes has little influence on the desalination efficiency of the system, which is advantageous for industrial applications.
Owner:INST OF LASER & OPTOELECTRONICS INTELLIGENT MFG WENZHOU UNIV

A Parallel Seawater Desalination Device Based on Ion Concentration Polarization Effect

The invention provides a parallel seawater desalination device based on ion concentration polarization effect, which includes a main channel and a buffer solution chamber, and the main channel includes a main channel inlet and a main channel outlet. An ion-selective block is arranged in the main channel, and the ion-selective block is made of a cation-selective permeable membrane that only allows cations to pass through. Several parallel micron channels are opened inside the ion-selective block along the axial direction of the main channel. A buffer solution chamber is provided on the outer wall of the main channel, the buffer solution chamber is connected with the ion selective block and allows ions in the ion selective block to enter the buffer solution chamber, and the buffer solution chamber is grounded. Both the entrance of the main passage and the exit of the main passage are connected to a power supply that can adjust the electrode potential, and the potential at the entrance of the main passage is greater than that at the exit of the main passage. The device realizes parallel microchannels by punching holes on the ion selective block, and the number of holes has almost no influence on the desalination efficiency of the system, which is beneficial to industrial application.
Owner:INST OF LASER & OPTOELECTRONICS INTELLIGENT MFG WENZHOU UNIV

Method for identifying emergency call in TD-LTE system

The invention discloses a method for identifying an emergency call in a TD-LTE system. The method includes the steps that A, a terminal makes a resource bearing request for an emergency call service to a core network; B, the core network receives the resource bearing request of the terminal, distributes new borne loads or modifies existing borne loads for the emergency call service according to a local strategy, and stores corresponding relationships between TFTs and PFs which correspond to the borne loads and the emergency call service; C, the core network receives service data sent to the terminal by a service server, extracts IP information and/or port information in a service data package and carries out matching on information stored in the PFs in the TFTs of the terminal; as for the successfully-matched PFs, if the corresponding relationships between the PFs and the emergency call service are stored by the core network, the service data package is identified to be emergency call service data. By means of the scheme, on the basis that network-side devices are not additionally arranged, cost is not increased, and the usage rate of resources of the core network is not influenced, the core network can rapidly and effectively identify the emergency call service.
Owner:POTEVIO INFORMATION TECH

Liquid cargo tank arrangement method of liquefied gas carrier and liquefied gas carrier

The invention relates to the technical field of liquefied gas carriers, in particular to a liquid cargo tank arrangement method of a liquefied gas carrier. At least two liquid cargo tanks are arrangedalong the longitudinal direction of the liquefied gas carrier; adjacent liquid cargo tanks are spaced to form a first isolation void cabin; and the extension length of the first isolation void cabinalong the longitudinal direction of the liquefied gas carrier is greater than the maximum longitudinal damage range. The invention further relates to the liquefied gas carrier; at least two liquid cargo tanks are arranged in the longitudinal direction; the first isolation void cabin is formed between every two adjacent liquid cargo tanks at intervals, and the extension length of each first isolation void cabin in the longitudinal direction of the liquefied gas carrier is larger than the maximum longitudinal damage range. Therefore, it can be guaranteed that two adjacent liquid cargo tanks cannot be damaged at the same time under any broadside damage working condition, the stability of the liquefied gas carrier under the broadside damage working condition can meet the standard requirement,and the number of the liquid cargo tanks can be reduced as much as possible within the limited ship length range.
Owner:JIANGNAN SHIPYARD GRP CO LTD

Real-time online hot spot detection device for air-core reactor

The invention discloses a real-time online hot spot detection device for an air-core reactor. The device comprises an air-core reactor winding, a plurality of package units are connected in parallel,a plurality of supporting strips are connected between every two adjacent package units, heat dissipation air channels are formed between the package units through the supporting strips, and the winding is formed by the package units and the adjacent supporting strips. The package units are connected in parallel to form a coil, an upper wire outlet arm and a lower wire outlet arm are arranged at an upper end and a lower end of the coil respectively, and a hollow reactor coil is formed by the upper wire outlet arm and the lower wire outlet arm. A temperature probe is arranged at a hot spot height position of each package unit, and an upper part of the air-core reactor winding is equipped with an energy taking coil. According to the detection device of the invention, the power supply problemof the real-time online detection of high-voltage end detection equipment of the high-voltage air-core reactor is effectively solved, compared with other detection power supplies, the maintenance isfree, the service life is long, the power is large, at the same time, through hot spot real-time detection, the protection problem of the air-core reactor is effectively solved, fault points can be effectively and timely found, the accident rate is reduced, and the reliability of the system is improved.
Owner:顺特电气设备有限公司

Preparation method and application of lithium battery negative plate

The preparation method specifically comprises the following steps: uniformly mixing a core-shell structure magnetic nano template which takes polyaniline as a shell and Fe3O4 as a core with a negative electrode material, a binder, a conductive agent and a solvent water to prepare negative electrode slurry, coating the surface of a current collector with the negative electrode slurry, and drying to obtain the lithium battery negative electrode plate. The preparation method comprises the following steps: preparing a thick electrode from magnetic nano Fe3O4, directionally assembling the magnetic nano Fe3O4 on the surface of a current collector by loading a magnetic field, recycling the magnetic nano Fe3O4 in the thick electrode through microwave heating and a magnetic recycling device, and constructing a three-dimensional network channel with high conductivity in the thick electrode to effectively improve the conductivity of the electrode, shorten ion and electron migration paths and improve the conductivity of the electrode. A multi-dimensional open permeation channel is provided, the wettability of an electrolyte is enhanced, the electrode tortuosity is reduced, the gradient porosity is generated, a molecular-level channel beneficial to lithium ion transportation is formed, and high-speed conduction of lithium ions is promoted.
Owner:新乡市中天新能源科技股份有限公司

Testing method of COG (chip on glass) product of PMOLED (passive matrix organic light emitting diode) based on tape carrier package

The invention relates to a testing technology of a PMOLED (passive matrix organic light emitting diode), discloses a testing method of a COG (chip on glass) product of a PMOLED based on taper carrier package, and aims at solving the problems of low utilization rate of a substrate caused by a testing mode of a COF (chip on flex) product in the traditional technology, as well as high test cost, low processing precision and cut alignment precision caused by the testing method of the COG product. The method is characterized in that: a diode is arranged at each IC (integrated circuit) pin, and is used for dividing metal Cr on a screen of the IC pin into three sections, wherein the first section of metal Cr is used for connecting an anode end of the diode, the second section of metal Cr is provided with a through hole, and the third section of metal Cr is connected with the IC pin; a cathode of the diode is made of evaporated AL, and is isolated from cathodes of other devices on the screen by utilizing an isolation column; a test point is led out from the first section of metal Cr; and a probe is supported against the test point and a test voltage is applied in testing. The method is suitable for testing the COG product of the PMOLED based on taper carrier package.
Owner:SICHUAN CCO DISPLAY TECH

High-speed railway large-diameter shield tunnel overhead line system channel construction method

The invention provides a high-speed railway large-diameter shield tunnel overhead line system channel construction method. A channel mechanism is made and installed to a pipe piece. A wedge-shaped ring pipe piece is adopted as the pipe piece. The point position for installing the pipe piece is selected according to the shield tail clearance distance. When shield driving is conducted to the presetlength and the stroke of a thrust oil cylinder in the position where a capping block is planned for installation is larger than the preset stroke length, a shield tunneling machine stops driving, andthe pipe piece is installed. After installed in place, a pipe piece block stretches out to a corresponding position, the thrust oil cylinder of a pipe piece installation machine pushes the pipe piecetightly, pushing force of the thrust oil cylinder is higher than preset stress needed by pipe piece stabilization, and then the pipe piece installation machine is moved away. After a pipe piece ring is separated from a shield tail, a pipe piece connection bolt is fastened for the second time. Through the construction method, construction environment during installation of an electrical system is improved significantly, installation construction efficiency of an electromechanical system is improved, a tunnel structure is not damaged basically, and the structure service life is prolonged.
Owner:CHINA RAILWAY 14TH BUREAU GRP LARGE SHIELD ENG CO LTD +1

Method for implementing indoor pipeline integrated structure

A method for implementing an indoor pipeline integrated structure comprises the steps that sleeves being larger than pipelines by one grade are pre-embedded in beams, plates and columns of a buildingmain body; hydroelectric pipelines are laid in the pre-embedded sleeves; as for some large size accessories, such as socket boxes and water supply angle valves, plastic bottom boxes and foam filler are pre-embedded in a structure main body, after concrete pouring is finished, the filler is taken out, and then the accessories are mounted on the vacated positions; the beam width is increased suitably, then grooves are reserved in edge areas of the beams, and the pipelines are laid in the grooves; as for the positions, provided with surrounding-building spaces, such as curtain boxes existing in the indoor plate, the spaces can also be used as pipeline laying areas; and the connecting positions of the pipelines and the building main body are covered by adopting detachable panels, and then facelayers are painted. The method for implementing the indoor pipeline integrated structure can take the pipeline appearance and overhaul convenience into account, the pipelines are tightly combined with the building main body structure, and the structure safety and indoor space utilization rate are not affected.
Owner:广州市时代控股集团有限公司

Large Synchronous Motor Stator Cooling Structure

The invention discloses a large synchronous motor stator cooling structure which comprises stator teeth. The stator teeth are provided with a stator slot and first water channels, the first water channels are arranged on two sides of the stator slot, an upper winding and a lower winding are arranged in the stator slot, a layer insulator is arranged between the upper winding and the lower winding,main insulators are arranged on the peripheries of the upper winding and the lower winding, second water channels are arranged on the main insulators, a slot wedge is arranged in the stator slot, a filler strip is arranged between the slot wedge and the lower winding, the upper winding and the lower winding comprise a plurality of rows of braided wires, row insulators are arranged among the braided wires, the braided wires comprise alternate solid conductor groups and hollow conductors, turn-to-turn insulators are arranged among the solid conductor groups and the hollow conductors and among solid conductors inside the solid conductor groups, third water channels are arranged inside the hollow conductors, and cooling media are led into the first water channels, the second water channels andthe third water channels. The cooling effect of the upper winding, the lower winding and the stator teeth is improved, and the safe and stable operation capacity of a motor is improved.
Owner:ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER COMPANY +1

Testing method of COG (chip on glass) product of PMOLED (passive matrix organic light emitting diode) based on tape carrier package

The invention relates to a testing technology of a PMOLED (passive matrix organic light emitting diode), discloses a testing method of a COG (chip on glass) product of a PMOLED based on taper carrier package, and aims at solving the problems of low utilization rate of a substrate caused by a testing mode of a COF (chip on flex) product in the traditional technology, as well as high test cost, low processing precision and cut alignment precision caused by the testing method of the COG product. The method is characterized in that: a diode is arranged at each IC (integrated circuit) pin, and is used for dividing metal Cr on a screen of the IC pin into three sections, wherein the first section of metal Cr is used for connecting an anode end of the diode, the second section of metal Cr is provided with a through hole, and the third section of metal Cr is connected with the IC pin; a cathode of the diode is made of evaporated AL, and is isolated from cathodes of other devices on the screen by utilizing an isolation column; a test point is led out from the first section of metal Cr; and a probe is supported against the test point and a test voltage is applied in testing. The method is suitable for testing the COG product of the PMOLED based on taper carrier package.
Owner:SICHUAN CCO DISPLAY TECH
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