13results about How to "Channel short" patented technology

The invention discloses a composite solid electrolyte diaphragm which comprises a bacterial cellulose membrane, fluorinated metal modified PEO electrolyte particles and functional group modified particles, and the fluorinated metal modified PEO electrolyte particles and the functional group modified particles are loaded in a three-dimensional network structure of the bacterial cellulose membrane. The functional group modified particles are functional group modified silicon dioxide particles and functional group modified LATP particles, the functional group modified silicon dioxide particles uniformly wrap the functional group modified LATP particles, and fluorinated metal of the fluorinated metal modified PEO electrolyte particles is combined with functional groups of the functional group modified particles through coordinate bonds. The invention also discloses a preparation method of the electrolyte diaphragm and a battery with the electrolyte diaphragm. The ionic conductivity of the electrolyte diaphragm is improved.

The invention belongs to the technical field of environmental treatment, and discloses a nano RuAg / heterojunction MoO3 / TiO2 composite catalyst as well as a preparation method and application thereof, and the nano RuAg / heterojunction MoO3 / TiO2 composite catalyst is prepared by compounding mesoporous TiO2 with microporous MoO3 to form heterojunction MoO3 / TiO2 and then compounding the heterojunction MoO3 / TiO2 with a RuAg alloy. The nano RuAg / MoO3 / T iO2 has a mesoporous-microporous gradient structure, has a large specific surface area, and has good adsorption performance and high catalytic degradation performance on VOCs (Volatile Organic Compounds). According to the present invention, the composite catalyst can effectively degrade the VOCs while adsorbing the VOCs, such that the adsorption efficiency and the treatment effect of the molecular sieve on the VOCs are substantially improved, the integration of the adsorption and the degradation is achieved, and the VOCs treatment process flow is simplified.

The invention discloses a preparation process of environment-friendly degradable thermo-sensitive paper for food, and relates to the technical field of thermo-sensitive paper. Wood pulp and polylactic acid fibers are pulped, lignin is used for backfilling, so that interaction among the fibers is enhanced, pores of prepared paper are reduced along with improvement of the pulping degree, a matrix indirectly achieves the oil-proof effect, then the interior of the matrix is in a porous form through vacuum freeze drying treatment, and under assistance of ultrasonic waves, the oil-proof effect of the matrix is improved. A starch composite zein protein solution is introduced to realize an easy degradation effect, and alkaline protease is utilized to hydrolyze zein protein and react with glucose, so that a dried protein structure becomes compact, a flexible film layer structure is formed on the surface of a matrix, and the transmittance of water molecules and grease molecules is reduced; the easily degradable and oil-proof effects are further improved.

The invention provides a preparation method of a lithium ion battery negative electrode hard carbon material, a lithium ion negative electrode, a lithium ion battery and electric equipment, and relates to the field of lithium ion batteries. The preparation method comprises the following steps: steaming subcutaneous parts of taros, adding a proper amount of water, and mashing into fine mashed taros; freezing and drying after freezing and shaping in a refrigerator to obtain a pretreated biomass hard carbon material; carrying out high-temperature heat treatment on the material in a protective atmosphere; after calcination is completed, acid is added for cleaning, and then drying is conducted; and carrying out ball milling and sieving on the active substance to obtain powder with the particle size of 400 meshes. The raw material of the lithium ion battery negative electrode comprises the hard carbon material prepared from taro. The lithium ion battery comprises the lithium ion battery negative electrode. The electric equipment comprises a lithium ion battery. The hard carbon material is prepared from materials which are low in price and easy to obtain, compared with a traditional battery negative electrode, the hard carbon material has higher lithium ion loading capacity, the preparation method is simple, and operation is convenient and controllable.

The present invention provides a special optoelectronic composite cable for use in extremely cold weather, belonging to the technical field of optoelectronic composite cable preparation; it comprises a cable core, a water-blocking layer, a cold-resistant reinforcement layer, and a cold-resistant sheath layer. The present invention effectively prevents moisture intrusion through the water-blocking layer, the cold-resistant reinforcement layer provides additional mechanical strength, and the cold-resistant sheath layer fully protects the internal structure of the optoelectronic composite cable. This multi-level and multi-functional structural design enables the optoelectronic composite cable in extremely cold weather to better meet the complex use requirements in extremely cold environments, and provides a reliable solution for communications and energy transmission in cold areas.

The invention discloses optical communication equipment, an optical module, a system and a related method. Wherein the optical receiving device comprises a control module, a service module and an optical module, the optical module comprises an optical digital signal processor (ODSP) and an optical receiver, the optical receiver is connected with the ODSP, and the ODSP is connected with the service module through an in-band interface and is directly connected with the control module through an out-band interface. The control module is directly connected with the ODSP through the out-of-band interface, so that the time delay of the control module for controlling or managing the ODSP is reduced, and the in-band transmission bandwidth is improved.

The invention provides a special photoelectric composite cable used in extremely cold weather, and belongs to the technical field of photoelectric composite cable preparation. Comprising a cable core, a waterproof layer, a cold-resistant reinforcing layer and a cold-resistant sheath layer, the waterproof layer effectively prevents moisture from invading, the cold-resistant reinforcing layer provides extra mechanical strength, and the cold-resistant sheath layer comprehensively protects the internal structure of the photoelectric composite cable. The multi-layer and multifunctional structural design enables the photoelectric composite cable in extremely cold weather to better meet complex use requirements in extremely cold environments, and provides a reliable solution for communication and energy transmission in cold regions.

The invention relates to the technical field of power utilization protection of a nuclear power plant, and provides a grounding protection method and system for supplying power by multiple paths of power supplies with different grounding modes. A resistance grounding mode is adopted for a main transformer of a power supply outside a plant and a low-voltage side neutral point of a self-contained generator in the plant, so that fault current flowing through a fault point not only comprises capacitance current, but also comprises capacitance current; the system further comprises a grounding resistance current, so that a grounding fault can be easily detected through the zero sequence current transformer, and a specific loop where the grounding fault is located can be more easily judged. After a grounding fault occurs, the grounding resistor is switched off through the neutral point grounding resistor switch, so that the magnitude of grounding fault current can be quickly reduced, and the impact of the current on system equipment is reduced. The grounding resistor provides a current limiting function at the initial stage of a fault, and after the grounding resistor is disconnected, channels for fault current to flow are further reduced, so that the fault influence is reduced to the minimum.

The invention relates to the field of spraying, in particular to an atomized gas control quantitative sprayer which comprises a sprayer body, a shrinkage cavity is formed in the sprayer body, and the shrinkage cavity communicates with a transition core and an atomizing nozzle. A shrinking piston is slidably connected in the shrinking cavity, a quantifying cavity is arranged below the shrinking cavity, a release agent inlet is formed in the bottom of the quantifying cavity, a release agent suction channel is formed in the shrinking piston, the top end of the release agent suction channel is communicated with a release agent spraying outlet, and a release agent channel sealing ring is arranged at the top of the shrinking cavity; a quantitative piston is slidably connected into the quantitative cavity, the bottom end of the shrinking cavity is communicated with a control gas channel, an atomized gas inlet channel and an atomized gas outlet channel are arranged in the spray head body, the atomized gas outlet channel is communicated between the shrinking cavity and the atomizing nozzle, and atomized gas can enter the shrinking cavity firstly and then enter the quantitative cavity after entering through the atomized gas inlet channel. Control gas is adopted to control the shrinkage piston to reset, the control precision is high, and the device is small in size and can be applied to a narrow working space.

The utility model belongs to vulcanized isobutene production equipment technical field, specifically disclose a high sulfur content vulcanized isobutene production device, including from top to bottom once series' sulfur adding kettle, heat exchanger, vulcanization kettle, sulfur adding kettle top fixedly connected with solid pipe and liquid adding pipe, the first stirrer is rotatably connected in sulfur adding kettle, a plurality of electric heating rods are fixedly connected in sulfur adding kettle, sulfur adding kettle bottom is passed through first connecting pipe and is communicated with heat exchanger, and the heat exchanger is communicated with vulcanization kettle through second connecting pipe, a plurality of air pipes are fixedly connected in vulcanization kettle, a plurality of air nozzles are connected on air pipe, and air pipe is communicated with air inlet pipe that penetrates vulcanization kettle side wall, and the second stirrer is rotatably connected in vulcanization kettle. The utility model sets up sulfur adding kettle, and sets up electric heating rod in sulfur adding kettle, can utilize high temperature and promote the activation of sulfur, avoid the production of mercaptan of elemental sulfur and olefin, thereby reduce the generation of harmful gas.

The utility model relates to the technical field of flow regulating valves, in particular to a gas pipeline flow regulating device, a knob drives a transmission rod to rotate, the transmission rod drives a gear to rotate, and due to the fact that the gear is meshed with two racks, when the gear rotates, the racks drag a valve element to slide in a sealing shell, and the sealing shell is sealed. When the two valve elements slide outwards at the same time, more communicating holes can be blocked, the space for containing fuel gas in the sealing shell is reduced, channels for fuel gas to flow are reduced, and when the valve elements slide inwards, more communicating holes can be communicated with the containing space in the sealing shell, and when air enters the sealing shell, the air is in contact with the valve elements before being in contact with the valve elements, so that the sealing shell is more smooth. When colliding with the valve element, the fuel gas flows in the opposite direction and collides with the entering fuel gas, the rest of the fuel gas flows out along the communicating hole, and therefore the flow speed of the fuel gas is reduced, the flow speed of the fuel gas is reduced through the backflow effect generated after the fuel gas collides with the valve element, and the effect of avoiding fuel gas leakage caused by connection disengagement is achieved.

The invention discloses a high-nitrogen and high-helium natural gas liquefaction and crude helium and nitrogen extraction system, which belongs to the technical field of extraction systems and comprises a crude helium condenser, wherein the crude helium condenser is respectively connected with a second liquid nitrogen throttle valve, a liquid nitrogen supercooler, a crude helium separator and a demethanizer condensation separator, wherein the crude helium separator is respectively connected with a liquid nitrogen supercooler and a first liquid nitrogen throttle valve, wherein the other end of the first liquid nitrogen throttle valve is connected with a flash steam separator, wherein the flash steam separator is connected with a liquid nitrogen supercooler, wherein the liquid nitrogen supercooler is connected with a liquid nitrogen evaporation pressure control valve, wherein the other end of the liquid nitrogen evaporation pressure control valve is connected with a demethanizer condenser, wherein the natural gas is less emitted, the helium extraction efficiency is high, and the nitrogen in the natural gas is extracted to produce liquid nitrogen and nitrogen products, thereby achieving good economic benefits.

The present invention relates to a dry multi-channel gas purification tower and a working method thereof, wherein the purification tower comprises a tower body, a gas inlet pipe and a plurality of groups of purifier columns; the purifier columns are installed in the tower body, and include a central tube, an upper purifier ring and a lower purifier ring, and an air intake space is left between the upper purifier ring and the corresponding lower purifier ring; a gas inlet is arranged at the bottom of the tower body, the gas inlet pipe extends into the bottom of the tower body from the gas inlet, and is connected to the bottom of the central tube of each group of purifier columns through the corresponding gas branch pipe, and a plurality of gas distribution ports are opened along the circumferential direction of the pipe wall of the central tube corresponding to the air intake space; a gas outlet is arranged at the top center of the tower body, and a purifier column installation hole is arranged just above each group of purifier columns at the top of the tower body. The present invention adopts a plurality of purifier columns to form a plurality of gas channels in the purification tower, and the gas is directly purified through the purifier layer in the upper purifier ring and the lower purifier ring, the gas flow channel is short, the pressure drop is low, and the purifier column is convenient to load, unload and replace.