562results about How to "Reduce operating pressure" patented technology

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.

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.

The invention discloses a method and a system for generating multi-page in a framework. The method comprises the following steps: receiving and analyzing the transmitted page information; judging whether the subpage of a webpage framework corresponding to the identification information exists or not, if so, activating the subpage of the framework, and ending the operation; and if not, judging whether the current subpage number achieves the maximum number allowed by the webpage framework or not, if so, giving corresponding prompt, and ending the operation; and if the subpage number does not exceed the maximum number allowed by the webpage framework, starting a next reserved unoccupation subpage, loading the page content according to the address contained in the transmitted page information, and finally updating the whole configuration information of the webpage framework. By the invention, the efficiency and the success rate of the development of webpage framed multi-page codes can be improved, and the system operation pressure is lightened.

The invention relates to a method for treating industrial circulating water and sewage through the technology of a nano filter film. The invention is characterized in that one part of the sewage is used as the supplementing water of a circulating water system, while the other part is reused after being processed through a nano filter system after the sewage of the industrial circulating cooling water system is flocculated and precipitated and filtered; one part and the other part are added into the circulating water system after being mixed with a certain proportion so as to achieve the reuse of the industrial circulating water, thereby increasing the condensation times of the whole system, decreasing the water implementing quantity and the sewage discharge quantity of the system, and increasing the economic effect of the whole operation.

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.

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.

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.

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.

The invention discloses a process for making synthetic gas by non-adhesive or low-adhesiveness coal fluidized carbonization, comprising the steps of: crushing non-adhesive or low-adhesiveness coal into fine coal; feeding the fine coal into a carbonization reactor and producing coal gas, tar steam and semicoke; cooling the coal gas and tar steam, and extracting the coal gas and coal tar; feeding the semicoke into a coal gas generator to react with oxygen gas and water steam to produce generated coal gas and coal ash; feeding the generated coal gas into a CO conversion reactor to regulate composition of the synthetic gas and act as synthetic methanol gas. And the utilization ratio of raw materials can be 100%. And the oil yield of fine coal fluidized carbonization is high. And the produced semicoke can completely turn into generated coal gas, and finally only coal ash is left. And the yield of liquid products by carbonization and liquid products synthetized by synthetic gas is higher than that of liquid products by coal liquefaction.

The invention discloses an air conditioner and control method and device thereof. The control method of the air conditioner comprises the following steps of identifying the operation of the air conditioner in a refrigeration mode; detecting the outdoor environment temperature, and identifying that the outdoor environment temperature is larger than or equal to a first temperature threshold value; and controlling the rotating speed of a fan in an outdoor heat exchanger to be larger than or equal to a first preset speed. Under the high-temperature working condition, the operating pressure of an air conditioning system is reduced by controlling the ultra-frequency operation of the fan in the outdoor heat exchanger, so that the high-temperature protection of the air conditioner can be realized,the refrigerating capacity of the air conditioner under the high-temperature working condition can be ensured, the comfort of the indoor environment is improved, and the user experience degree is improved.

The invention discloses a device state determining method and device of smart home devices and belongs to the technical field of smart home. The method comprises the steps of judging whether connection with a cloud server is disconnected or not every other preset time interval; detecting whether the smart home devices with changed device states exist in the smart home devices connected with a smart home gateway or not; and when the connection with the cloud server is not disconnected, and the smart home devices with the changed device states exist in the smart home devices connected with the smart home gateway, sending the newest device states of the smart home devices with the changed device states to the cloud server. According to the method and the device, the smart home devices are managed uniformly through the smart home gateway, the cloud server only needs to communicate with the smart home gateway and updates the device states according to the device states sent by the smart home gateway, so the operation pressure of the cloud server is reduced, and the transmission of low-efficiency data between the smart home devices and the cloud server is reduced.

The invention discloses an acquisition and processing method for transmitting remote data of industrial equipment, which comprises the following steps: acquiring equipment state data obtained in a current acquisition period according to a preset data acquisition time interval; based on the current reference information, comparing each parameter in the current equipment state data with a corresponding parameter in the reference information, and integrating information of changed parameters to obtain changed parameter data; caching the generated change parameter data in a preset data transmission period comprising a plurality of data acquisition time intervals, and packaging the plurality of change parameter data to obtain corresponding equipment data; and carrying out lossless compression on the equipment data to obtain corresponding equipment transmission data, and sending the data to a server. Differential data transmission and data variable-speed acquisition modes are utilized, dataintegrity transmission is guaranteed, server pressure is reduced, and a multi-data and high-acquisition-frequency acquisition and transmission mode is achieved.

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.

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.

The invention relates to a method for treating and reusing high-temperature stripping purified wastewater produced in the process of transferring oxygenated compounds into olefins by using a high-temperature separation membrane. The combination process can effectively remove the impurities such as metal ions and organic micro-molecules and the like in stripping purified water, and the treated purified water in a tower kettle can meet the quality requirements of makeup water for middle and low-pressure boilers or the quality requirements of the makeup water in the MTO process. The invention effectively overcomes the defects exiting in the method for treating and reusing the stripping purified water without condensation in the MTO process, and lowers or reduces the consumption of circulating cooling water in the process of cooling firstly and then treating, thereby saving a large amount of boiler water and recycling the thermal energy of produced high temperature wastewater, and providing a stable and efficient way for high temperature wastewater treatment and reuse of relevant enterprises.

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.

The invention provides a data and code version management system and method. The data and code version management system comprises a data management module, a code management module, an execution engine module and a system core module; at least a data set is stored in the data management module; at least an execution code is stored in the code management module; the code management module receives and stores a code pushed by a user or sends a code processing request based on the code pushed by the user; the execution engine module is configured with at least an execution back-end engine, calls the execution back-end engine based on a received execution instruction and runs one execution code so as to carry out operations for the at least one data set in the data management module; and the system core module after receiving a data processing request submitted by the user processes the data set in the data management module, and establishes a data workflow of the data set and records the formed data version information and code version information. The data and code version management system and method solve the problems such as low data and code version management efficiency and disordered data and code version management.

The invention discloses a photovoltaic storage charged micro-grid control method. A photovoltaic power generation system is connected to a direct current bus through a DC / DC converter; an energy storage system is connected with the direct current bus through a bidirectional DC / DC converter; a power distribution network is connected to the direct current bus through a bidirectional DC / AC converter;in a photovoltaic storage charged micro-grid system, a micro-grid controller is connected with the photovoltaic power generation system, the energy storage system, the power distribution network anda charging load to collect the running state and electric quantity information of each unit of the micro-grid, wherein the output control signals act on the DC / DC converter, the bidirectional DC / DC converter and the bidirectional DC / AC converter respectively. The economic benefit and environmental benefit in the construction operation process of a charging station can be improved.

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.

The present invention relates to a map display method and apparatus. The method comprises: acquiring position information of each user terminal and position information of a local terminal; according to the position information of the local terminal, acquiring a map to be displayed; and displaying the map and according to the position information of the user terminals, labeling geographic positions of the user terminals on the map. According to the present invention, the terminal shares the respective position information, so that a speed that the terminal acquires the position information of other terminals can be improved, and thus, map display efficiency is obviously improved; and the terminal can more rapidly label the geographic position of each user terminal on the map, so that real-time road condition information is more accurate and user experience is good.

The invention discloses a video file processing method, a device and a video file processing system. The method includes the following steps that: a video file stream to be played is intercepted; the video file stream is split according to data types, so that split data streams are obtained; and the split data streams are transmitted through channels corresponding to the split data streams.

The invention discloses a vehicle uphill control method. The vehicle uphill control method comprises the steps of detecting a vehicle accelerator depth when a vehicle is in an uphill state; detecting gear signals of the vehicle, wheel output rotating speed signals and brake pedal signals when the accelerator depth is smaller than or equal to a first threshold; and when the vehicle is at a forward gear or a neutral position, the wheel output rotating speed is negative and the brake pedal signals are not detected, utilizing an automatic transmission controller of the vehicle to control an electronic parking system of the vehicle to lock parking ratchet wheels of the vehicle so as to enable the vehicle to be in a parking state. By the control method, excessive wear of a brake block of the vehicle can be avoided, manipulation pressure of a driver is relieved, driving safety is improved, and fuel oil use is effectively reduced. The invention further discloses a vehicle uphill control device and the vehicle with the upslope control device.

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.

A paint circulation system (10) for automotive coating applications presents a paint supply source (18) and a pump (20) for pumping the paint. A circulation line (16) is fluidly communicated with the paint supply source (18) and circulates the paint at an operational pressure. A relief line (28) has a pressure relief device (30) adaptable for withstanding a predetermined pressure of the paint and to circulate the paint through the relief line (28) as the operational pressure exceeds the predetermined flow pressure. A pressure control mechanism is operatively communicated with the circulation line (16) and the relief line (28). The pressure control mechanism senses the operational pressure to continuously circulate the paint in the relief line (28) in response to a difference between the operational pressure and the predetermined pressure before the operational pressure exceeds the predetermined pressure thereby preventing the pressure relief device (30) from actuating.

The invention discloses a novel magnetic separation sewage treatment unit, which comprises a tank, wherein a water inlet and a water outlet are arranged at the two ends of the tank; the tank is formed by jointing tank channels; the tank is divided into a regulating and stirring tank, a partition board flocculation tank, a magnetic separation settling tank and a smoothing settling tank, wherein the regulating and stirring tank is provided with a medicament feeding system and a stirrer; an inclined plate is arranged on the bottom of the partition board flocculation tank; a funnel is arranged below the magnetic separation settling tank; and a round magnetic cylinder and a rectangular magnetic cylinder are arranged above the funnel. The device can solve the problems of high investment and low efficiency of a single water treatment technique of sewage treatment plants, can remove impurities from sewage quickly and ensures stable effluent and simple hydraulic conditions.

The invention provides a real-time data collection system and an automatic recovery method after interruption of real-time data communication. The method comprises the following steps: an upper collector is connected between an onsite first level machine and a database server via a network, and a data collection interface is arranged in the upper collector; the data collection interface collects data of an OPCServer through an OPC protocol, the data collection interface stores the collected data in a database for cache and backup at first after collecting the data, and then the data collection interface extracts the data from the database and uploads the collected data to the database server for storage by using a TCP; and the data collection interface monitors a data uploading condition, and in the case of data uploading failure caused by an abnormal condition, the data collection interface re-loads the data subjected to uploading failure to the database server. A data cache function is realized on the collection interface, thereby reducing the pressure of the upper collector and the database server.

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.

The invention discloses a switchable combined working line for grain screening and impurity removal, which includes a symmetrically arranged resonance screening mechanism, a grain hulling mechanism, a switching mechanism and a storage mechanism. Docking with multiple resonance screening mechanisms, when the grain husking mechanism completes the removal of light impurities such as grain husks and shriveled grains from the output of the previous resonance screening mechanism, the grain husking mechanism can move laterally to the next resonance screening mechanism The rear side removes light impurities from the output grain, which doubles the work efficiency. At the same time, the grain hulling mechanism cooperates with the storage mechanism to realize the automatic output of the grain into the grain box, and when the grain box is full , can quickly switch grain boxes, high degree of automation.

The invention discloses a recycling harmless comprehensive treating method for kitchen garbage. According to the method, a receiving device, a primary crusher, a sorter, a presser, an acidifying tank, a dreg liquid tank and a fermenting tank are comprised. The treating method comprises the following steps of: receiving materials and breaking bags; primarily crushing; sorting; hydrolytic acidification; pressing and pulping and anaerobic fermentation. With the adoption of mechanical pre-treatment and post-anaerobic fermentation technology, kitchen garbage can be treated in a large scale, so that energy resource recovery of kitchen garbage can be effectively realized. Various impurities are prevented from causing failure to the operating device to the maximum degree by multiple impurity removing processes, so that the whole flow is smooth, safe and long in service life. Through serial flows, initial kitchen garbage is treated as biogas materials and improved soil materials with high value, so that resource utilization of garbage is realized. The whole process flow is simple, convenient and reasonable and good in treating effect, and the recycling harmless treating effect of kitchen garbage is realized.

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.