Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

3727results about How to "Stable flow" patented technology

Adsorption Desulfurization Process for Hydrocarbons and a Reaction Apparatus Therefor

The present invention relates to an airflow particle sorter, comprising: a top-sealed sorter main body, a discharge port, an outtake tube and at least one directing-intake port; the inner space of the sorter main body, from the above to the bottom, includes, a straight tube zone and a cone zone, the conical bottom of the cone zone is connected to the straight tube zone; the discharge port is located at the bottom of the cone zone; the directing-intake port is installed in the upper part of the straight tube zone in a tangential direction of the straight tube zone, and is communicated with the inner space of the sorter main body; the outtake tube is hermetically inserted into the top of the sorter main body, and extends downwardly to the lower part of the straight tube zone, and the outtake tube has a sealed bottom end; the lower part of the outtake tube is installed with at least one directing-outtake port, which communicates the outtake tube with the inner space of the sorter main body, the directing-outtake port is installed in a tangential direction of the outtake tube. The present invention further relates to a fluidized bed reactor and an adsorption desulfurization reaction apparatus as well as an adsorption desulfurization process.
Owner:CHINA PETROCHEMICAL CORP +1

Downhole gas-liquid separation device and working method thereof

A downhole gas-liquid separation device comprises a barrel-shaped body, and a positioning wheel is fixedly installed in the body. A rotatable swirling wheel is installed on the positioning wheel and provided with spiral wheel blades, and the positioning wheel is provided with fluid channels. A lower connector is connected to the body, a diverting joint is arranged at the inner end, located in an inner cavity of the body, of the lower connector, a gas outlet channel is formed in the center of the diverting joint in a coaxial mode, and the outer side of the diverting joint is provided with liquid drainage channels. An interval is formed between the swirling wheel and the diverting joint. The downhole gas-liquid separation device is small in part number, simple in structure and lower in cost; the swirling wheel is driven to rotate when liquid passes through the swirling wheel to enable the liquid to generate centrifugal force and swirlingly flow in the inner cavity in the mode of being attached to the wall, the liquid in gas is gathered to the center, and then the liquid and the gas flow out through the liquid drainage channels formed in the outer side and the gas outlet channel formed in the center respectively, so that gas and liquid separation is achieved; accordingly, the liquid sent to a motor does not contain the gas, damage to the motor is avoided, and the service life of the motor is prolonged.
Owner:JEREH ENERGY SERVICES

High-liquid absorbing rate micro-nano structure polymer electrolyte membrane and preparation method thereof

The invention discloses a preparation method of a high-liquid absorbing rate micro-nano structure polymer electrolyte membrane, wherein the membrane is prepared by polymer material being packed on a support frame. The method comprises the following steps of: by being processed, the polymer membrane has a micro-nano structure, forms holes with micron level and nanometer level, and forms a netty distribution hole structure with the nanometer holes of the support frame; and the polymer which is crossly linked layer by layer is packed on the special support frame to form a special netty micro-nano structure polymer electrolyte membrane. The polymer membrane of the micro-nano structure can absorb large numbers of electrolyte, greatly increase liquid-absorption rate, and improve the affinity of diaphragm to the electrolyte; the netty micro-nano structure leads the electrolyte to be kept in the membrane well, leads lithium ion in the polymer electrolyte membrane to be evenly distributed, leads the concentration to be to balanced, and lead the current density in the battery to be evenly when discharging electricity; and the special support frame guarantees the mechanical capability of the membrane. The preparation technology of the polymer electrolyte membrane has simple route and easily obtained raw material, can be operated under a normal condition, and does not need harsh production environment. The polymer lithium ion battery prepared by the membrane has good electrochemistry capability.
Owner:CHANGSHA HIGH TECH INDAL DEV ZONE CAISHENG NEW ENERGY TECH

Cooling system for rolled stripe continuously-casting production line and control method thereof

The invention relates to control devices or methods specially for metal rolling machines and manufacturing products of the metal rolling machines and discloses a cooling system for a rolled stripe continuously-casting production line and a control method of the cooling system. The system comprises a segmented laminar flow cooling device and a cooling control system which are arranged behind an online hot rolling machine, wherein the segmented laminar flow cooling device comprises at least two segmented laminar flow cooling collecting pipe areas, wherein one of the at least two segmented laminar flow cooling pipe collecting areas adopts a nozzle cooling collecting pipe with small pipe diameter, the cooling control system is an online double-closed-loop control system and comprises a double-closed-loop control circuit, the double-closed-loop control circuit comprises a feedforward control module, a precomputation module, a feedback control module, a coiling-ahead temperature measuring module and a self-adaption learning module, the double-closed-loop control circuit selects at least one collecting pipe area of the segmented laminar flow cooling device, the number of open collecting pipes in the selected collecting pipe area can be adjusted by a group of control valves, and the requirements on the accuracy of coiling temperature of steel stripes rolled at a low speed during the variation of speed and thickness in a limited cooling area can be met by the nozzle cooling collecting pipe with the small pipe diameter and the online double-closed-loop control system.
Owner:BAOSHAN IRON & STEEL CO LTD

Wireless sensor network-based greenhouse group control system and control method thereof

The invention discloses a wireless sensor network-based greenhouse group control system and a control method thereof. Each greenhouse is provided with a plurality of wireless sensor nodes and a cluster head node for acquiring environmental factors of the greenhouses according to needs, wherein the wireless sensor nodes and the cluster head nodes autonomously form wireless sensor networks by wireless communication; the wireless sensor nodes transmit monitoring data to the corresponding cluster head nodes in a multi-hop way; the cluster head nodes transmit the data to a gateway node which uploads the data to a communication server; the communication server performs two-way communication with a control computer; and the control computer makes corresponding guidance schemes according to the data monitored by the wireless sensor networks in real time, and synchronously transmits control instructions to the wireless sensor networks according to the guidance schemes. In the system and the method, the real-time data monitored by each sensor node in the greenhouses can be timely and accurately acquired, and the control instructions can be fast transmitted to the sensor nodes after specific production guidance is made or early-warning setting is performed according to the monitoring data.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Method for tracing pollution source in emergency events

The invention provides a method for tracing pollution sources in emergency events. The method is characterized by comprising steps of 1, constructing source-quality response scene databases, to be more specific, creating fixed and mobile pollution source databases in certain ranges of river basins and hydrological scene databases of river basins where projects are located, simulating pollution statues of the project river basins due to pollutants of each pollution source under the conditions of different hydrological scenes and different emission amounts and creating the source-quality response scene databases in project regions; 2, carrying out source tracing analysis and computation, to be more specific, investigating and screening the pollution sources in the source-quality response scene databases according to feature information of the pollutants and hydrological regime information, finding out possible pollution sources which meet requirements of screening targets, constructing target libraries, analyzing pollution procedure fitting degrees of the target libraries, sorting the target libraries according to the fitting degrees, determining risk sources which possibly cause the emergency pollution accidents, and further conforming the risk sources by means of verification. The method has the advantage that the locations and the pollutant emission amounts of the pollution sources can be quickly determined by the aid of the method.
Owner:WUHAN UNIV

Automatic constant temperature drying and automatic regulation material flow control device of light energy vertical dryer

The invention discloses an automatic constant temperature drying and automatic regulation material flow control device of a light energy vertical dryer, aiming to solve the problems of environmental pollution caused by a great deal of harmful gas and dusts generated by drying the materials by the traditional vertical dryer through adopting a coal extracted heat in the production process and poor system automation degree in the control system of the traditional vertical dryer. The automatic constant temperature drying and automatic regulation material flow control device comprises a standard control device, an industrial control computer, a solar heat exchanger, a vertical dryer, an automatic constant temperature drying control device and a vertical dryer control device, wherein the standard control device is connected with the industrial control computer through a standard serial communication interface and is respectively connected with the solar heat exchanger and the vertical dryer, and the solar heat exchanger is connected with the vertical dryer. The invention has the advantages of simpleness, smooth flow and high automation degree, carries out automatic control by the industrial control computer, replaces fuel coals to dry the materials, improves the production efficiency and achieves the purposes of energy saving and emission reduction.
Owner:GANSU JINSHI CHEM
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products