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

561results about How to "Reduce operating pressure" patented technology

Intensified deep concentration system for high-salt-content industrial wastewater and technology thereof

The invention discloses an intensified deep concentration system for high-salt-content industrial wastewater and a technology thereof and belongs to the field of water treatment. The high-salt-content industrial wastewater is adjusted through an adjusting tank, settled through a softening settling pond, filtered through a V-type filter tank, filtered through an ultrafiltration device in an intensified mode and concentrated through a first-stage reverse osmosis device, then the hardness is removed through an ion exchange resin device, and salt separation is performed through a nanofiltration device; thick water of the nanofiltration device is concentrated through a frequent electrode transfer electrodialysis device, produced water is oxidized through an advanced oxidization device and then enters a general produced water tank, and thick water is crystallized through a freezing crystallization system and crystallized with sodium sulfate; produced water of the nanofiltration device is concentrated through a second-stage reverse osmosis device and concentrated again through the frequent electrode transfer electrodialysis device, produced water is oxidized through the advanced oxidization device and enters the general produced water tank, and thick water is crystallized through an MVR evaporative crystallization device and crystallized with sodium chloride. The intensified deep concentration system has the advantages that potential safety hazards caused by high-pressure operation are effectively reduced; the problem that the COD content is high after thick salt water is highly concentrated is effectively solved, the purity of crystallized salt is improved, and the using value of the crystallized salt is improved; the system is high in automation degree, easy to operate, low in operation pressure, stable in operation, high in purity of the crystallized salt, low in operation cost and the like.
Owner:INNER MONGOLIA JIUKE KANGRUI ENVIRONMENTAL TECH

Roadside parking charging management method and system

The invention discloses a roadside parking charging management method and system. The method comprises the steps that a mobile terminal synchronizes server time when a toll collector logs in a parking charge terminal system; when a vehicle runs in and away from a roadside parking place, the toll collector holds the mobile terminal to take a photo of the vehicle, the mobile terminal recognizes a license plate number, and vehicle information and toll collector information are extracted and uploaded to a server; the server feeds back parking fee information to the mobile terminal; the toll collector collects parking fee from a vehicle owner according to the fee information; the mobile terminal comprises a first clock synchronizing module, a shooting module, a license plate number recognition module, a locating module, a first data transmission module and a fee collecting module, and the server comprises a second clock synchronizing module, a fee collecting management module, a second data transmission module and a parking information management module. By means of the method, pictures are shot for the vehicle running in and away from a parking lot through the mobile terminal such as a cell phone, the parking fee is displayed through the mobile terminal, and the vehicle owner is charged, and multiple types of illegal vehicles can be recognized intelligently, and law enforcement of traffic police is facilitated.
Owner:GUANGZHOU HUABIAO SCIENCEAND TECH DEV CO LTD

Treating and recycling zero-emission technology and equipment for coking phenol-cyanogen wastewater

The invention discloses a treating and recycling zero-emission technology for coking phenol-cyanogen wastewater. According to the treating and recycling zero-emission technology, a pre-sedimentation oil separating tank, an air floating system, an adjusting aeration tank, an anaerobic tank, an anoxic tank, an aerobic tank, a secondary sedimentation tank, a coagulating reaction tank, a quick filtering tank, an ultrafiltration raw water tank, an ultrafiltration system, a nanofiltration system, a reverse osmosis system, a concentrated water aerobic tank, a concentrated water anoxic tank, an SBR tank, a chemical oxidation tank, a bitter water film concentrating system, a softening rigidity removing system, a low-pressure sea-water film system, a high-pressure sea-water film system, an MVR evaporating system, a sludge thickening tank, a press filter and a Roots blower are adopted for technological treatment. The invention further discloses treating and recycling zero-emission equipment for coking phenol-cyanogen wastewater. The treating and recycling zero-emission technology and equipment are high in treatment efficiency and low in cost, and have the advantages that zero emission of sewage can be realized.
Owner:ZHEJIANG BEROOT ENVIRONMENTAL PROTECTION TECH CO LTD

Cleaning method of ultrafiltration membrane

The invention discloses a cleaning method of an ultrafiltration membrane. The cleaning method is used for mainly treating the pollution form of the ultrafiltration membrane with inorganic scales coated with organic scales. The method comprises the following steps: (1) preparing an acid cleaning solution; (2) carrying out acid pickling: carrying out circulating cleaning on the ultrafiltration membrane by using the acid cleaning solution, controlling the pH value of the cleaning solution to be 1.5-3 and controlling the cleaning temperature to be 38-41 DEG C; (3) carrying out primary flushing and removing residual acid cleaning solution in the ultrafiltration membrane; (4) preparing an alkaline cleaning solution; (5) carrying out alkaline washing: carrying out circulating cleaning on the ultrafiltration membrane by using the alkaline cleaning solution, controlling the pH value of the cleaning solution to be 10.5-11.5 and controlling the cleaning temperature to be 38-41 DEG C; and (6) carrying out secondary flushing and removing the residual alkaline cleaning solution in the ultrafiltration membrane. According to the method, various organic matters intercepted on ultrafiltration membrane pores can be efficiently removed, the water yield of the ultrafiltration membrane is increased, the operation pressure of the ultrafiltration membrane is reduced and stable operation of a landfill leachate ultrafiltration membrane treatment system is ensured.
Owner:HUNAN JUNXIN ENVIRONMENTAL PROTECTION CO LTD

Authentication method and authentication system among mobile devices

The invention relates to an authentication method and an authentication system among mobile devices. The authentication method includes that after selecting an initiator account number, an initiating device obtains a first authentication token for mobile payment, identity authentication and ticket verification through an encryption method and sends the first authentication token to a receiving device; after selecting a receiver account number, the receiving device encrypts to generate a second authentication token on the basis of the first authentication token and forwards the second authentication token to a credible bank service manager server; the credible bank service manager server is communicated with a corresponding primary account number manager server or a secondary account number manager server according to content of the second authentication token to obtain a fed back authentication request verification result, generates a second authentication token verification result and forwards the second authentication token verification result to the initiating device, the receiving device and the primary account number manager server or the secondary account number manager server corresponding to the receiver account number. Compared with the prior art, the authentication method and the authentication system have the advantages that mobile authentication safety is enhanced, mobile authentication compatibility is increased, user experience is improved and the like.
Owner:上海太炎信息科技有限公司

Washing method for preventing reverse osmosis membrane or nano-filtration membrane from being polluted

The invention belongs to the technical field of seawater desalting and water treatment and relates to a washing method for preventing a reverse osmosis membrane or a nano-filtration membrane from being polluted. The washing method comprises the following steps of: firstly carrying out gas-water two-phase flow washing or simultaneous chemical washing; then extracting reverse osmosis concentrated water to wash the surface of the reverse osmosis membrane; discharging the reverse osmosis concentrated water through a concentrated water discharging valve; then, conveying pretreated water to a reverse osmosis module and displacing and discharging washing concentrated water on a reverse osmosis concentrated water side until the conductivity is recovered to 98% of the conductivity of the pretreated water; finally, closing a washing water discharging valve and opening the concentrated water discharging valve to recover normal operation of the reverse osmosis module; and sequentially washing other sets of reverse osmosis modules. The washing method disclosed by the invention is reliable in process, simple and convenient to operate, lower in energy consumption, good in economic benefits and social benefits, and environment-friendly.
Owner:OCEAN UNIV OF CHINA

Fan tap position control method, fan tap position control system and air conditioner

The invention provides a fan tap position control method, a fan tap position control system and an air conditioner. The fan tap position control method comprises the following steps: judging a work mode of a multi-split air conditioner, wherein the work mode comprises a refrigeration mode and a heating mode; obtaining the energy level coefficients of a plurality of indoor fans so as to determine the load coefficient of an outdoor fan according to the energy level coefficients; obtaining a preset outdoor environment interval-initial tap position mapping table, wherein the preset outdoor environment interval-initial tap position mapping table comprises a mapping relationship between the threshold value interval of a preset outdoor environment temperature value and an initial tap position; judging the preset outdoor environment temperature interval to which the outdoor environment temperature detected in real time belongs to so as to determine the corresponding initial tap position; according to the work mode, the load coefficient and the initial tap position, determining the tap position of the outdoor fan. According to the technical scheme, the load balance of the air conditioner is realized, and power consumption is saved while the load requirements of the indoor fans are guaranteed.
Owner:GD MIDEA AIR-CONDITIONING EQUIP CO LTD +1

Control method, control system and air conditioner

The invention provides a control method, a control system and an air conditioner. The control method is used for controlling the air conditioner and comprises the following steps: acquiring the current working temperature of an indoor heat exchanger through a temperature detection device; judging whether the current working temperature is larger than or equal to a first preset temperature; when judging that the current working temperature is larger than or equal to the first preset temperature, setting the rotating speed of an door fan in a first rotating speed range. By the adoption of the technical scheme, the rotating speed of the indoor fan is automatically controlled according to temperature variation, the operation pressure of the system can be effectively reduced to further ensure that a compressor operates normally, therefore, on one hand, the continuous output of the heating effect of the air conditioner can be ensured, and on the other hand, the compressor is prevented from operating for a long time under a condition of exceeding an allowable working pressure, the system control flexibility, the system operation reliability and the system operation stability are improved and the service life of the compressor is prolonged.
Owner:GD MIDEA AIR-CONDITIONING EQUIP CO LTD

Waste lithium ion battery crushing and sorting device and method

The invention discloses a waste lithium ion battery crushing and sorting device and method. The crushing and sorting device comprises a feeding device; a rough crushing machine of which the feeding end is connected with the discharging end of the feeding device; a crushing machine of which the feeding end is connected with the discharging end of the rough crushing machine; a multistage sorting device of which the feeding end is connected with the discharging end of the crushing machine; a pyrolyzing furnace of which the feeding end is connected with the discharging end of the multistage sorting device; a material cooling bin of which the feeding end is connected with the discharging end of the pyrolyzing furnace; a second vibrating screen of which the feeding end is connected with the discharging end of the material cooling bin; a fine crushing machine of the feeding end is connected with the discharging end of the second vibrating screen; a third vibrating screen of which the feedingend is connected with the discharging end of a separator; and a jigging machine of which the feeding end is connected with the discharging end of the third vibrating screen. According to the waste lithium ion battery crushing and sorting device and method, high-efficiency recovery of valuable components in a lithium ion battery can be achieved; and the sorting effect is good, and the recovery rateof black powder is high.
Owner:ZHUZHOU DINGDUAN EQUIP CO LTD

Internal pressure type fiber-reinforced filter membrane and preparation method thereof

The invention relates to an internal pressure type fiber-reinforced filter membrane and a preparation method thereof. The internal pressure type fiber-reinforced filter membrane is formed by coating the inner surface of a hollow braided tube with a layer of high-polymer membrane casting liquid and carrying out solidification and water washing under the action of internal and external coagulating bath solutions. By preparing the membrane by virtue of the hollow braided tube, the membrane casting liquid and a spinneret plate coextruded by internal coagulating core liquid, a continuous membrane preparation process is realized; the high-polymer membrane casting liquid contains a hydrophilic agent, and thus the prepared fiber-reinforced filter membrane is high in flux and strong in anti-pollution capacity. The internal pressure type fiber-reinforced filter membrane has the beneficial effects that the filter precision is high, a pore structure of the membrane can be controlled by virtue of process parameters of a membrane casting liquid preparation process and a membrane preparation process, the cross flow of inlet water is realized, the reflux ratio is low, and the water production rate is high; compared with an internal pressure type filter membrane, the internal pressure type fiber-reinforced filter membrane has the advantages that a runner is wide and is unlikely to be blocked, feed liquid with high content of suspended solids can be directly processed, and the pretreatment cost is lowered.
Owner:盐城海普润科技股份有限公司

Safety boundary and force control method for surgical robot

The invention discloses a safety boundary and force control method for a surgical robot. The safety boundary and force control method comprises the following steps of inputting patient condition information; acquiring physical dimension information of the robot and a surgical tool and safety range information of a surgical operation position; setting position information of an end point of the robot; according to the position information of the end point of the robot and the safety range information of the surgical operation position, obtaining the safety boundary of the working area of the end point of the robot and the contact force range information of the end point of the robot; generating a surgical operation instruction according to the patient information, the safety boundary information of the working area of the end point of the robot and the contact force range information of the end point of the robot, and sending the surgical operation instruction to the robot; and acquiring and analyzing operation feedback information of the end point of the robot in real time, and generating and sending an adjustment instruction to the robot. Effective safety boundary position and force control is performed on the surgical robot, and the surgical efficiency is improved.
Owner:前元运立(北京)机器人智能科技有限公司

Landfill leachate zero-emission treatment device and method

The invention provides a landfill leachate zero-emission treatment device, which comprises a membrane treatment system, a deamination system, an adsorption system, a curing system and an evaporation system. The membrane treatment system is used for filtering landfill leachate to generate a first produced water product and a first concentrated water product, the first produced water product is sentinto a deamination system to remove ammonia nitrogen so as to obtain a second produced water product and an ammonium salt, the first concentrated water product is sent into an evaporation system forevaporation to obtain evaporation condensate water and evaporation residue, the evaporation residue is sent into the curing system for curing treatment, and the second produced water product is sent into the adsorption system for adsorption so as to obtain the final produced water. The membrane treatment system is employed to treat landfill leachate to remove most of COD and total hardness, then the deamination system is adopted to recycle most of the ammonia nitrogen and convert the recycled ammonia nitrogen into an ammonium salt for resource utilization, and a concentrated solution of the membrane treatment system is subjected to low-temperature evaporation and re-curing treatment so as to achieve the effect of zero emission.
Owner:XIAMEN JIARONG TECH CO LTD

Method for optimizing industrial circulating water system

The invention relates to a method for optimizing an industrial circulating water system, comprising the following steps: 1, establishing a water consumption optimization model for each equipment circulating water subsystem with a minimum circulating water consumption as a target according to water consumption characteristics of each equipment circulating water subsystem, and determining a water consumption optimization scheme for each equipment circulating water subsystem; 2, establishing a complete process model of the circulating water system based upon the water consumption optimization to each equipment circulating water subsystem and according to pressure characteristics of each equipment circulating water subsystem, calculating pressures of all equipment and pipe networks in the circulating water system and determining a pressure optimization scheme of the circulating water system according to a calculation result; 3, determining an electricity saving optimization scheme of the circulating water system based upon the water consumption optimization and the pressure optimization and according to operating requirements of the circulating water system. The method is more suitable for the practical circulating water system of enterprises, so the water-saving and energy-saving effects are more obvious.
Owner:石化盈科信息技术有限责任公司
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