39results about How to "Meet operating conditions" patented technology

The invention relates to water treatment field, in particular to a process of advanced treatment and recycle of urban sewage, which adopts a membrane bioreactor and inverse penetration in combination. The invention takes secondary effluent of urban sewage treated by sewage plant or water of urban sewage being treated to meet the standard of secondary effluent as raw water; the raw water enters the membrane bioreactor MBR system for biochemical pretreatment to remove BOD, COD, SS, ammonia and nitrogen in the water to ensure that the water after treatment meets the quality requirement of reverse osmosis feed water; further water desalination is carried out through reverse osmosis system, and the needed recycle water can be obtained. By adopting MBR technology, removal rate of the main contamination COD can reach over 95 percent, the suspended matter and turbidity of the treated water are close to zero and the quality of the treated water is good and steady; according to process requirements, the water treated by the MBR system and the reverse osmosis system in sequence can be used as cooling water of cold rolled steel, after being blended according to certain proportion, thus realizing recycling of sewage.

The invention discloses an automobile transmission vibration analysis testing method and an automobile transmission vibration analysis testing device. The automobile transmission vibration analysis testing device comprises a base, a master control module, a frequency converter, a speed regulator, a driving motor, a load DC (direct current) motor, an automobile transmission, an industrial personal computer, a data acquisition card and a counting card. A power supply conversion module is adopted to supply power to other modules; the frequency converter is adopted to control and regulate the rotating speed of the driving motor; a load resistor and generator speed regulation box is adopted to regulate and control the torque of the load motor; the basic base and a shock pad are adopted to support; the shock pad is adopted to isolate vibration between the automobile transmission and the base; an elastic pin coupling is adopted to connect the automobile transmission with the motor and isolate vibration signals; and a vibration acceleration sensor is adopted to acquire the vibration signal of an automobile transmission shell. The testing method and the control device have high integration level, strong device expansibility and low cost and can be used for effectively simulating the basic operation of the automobile transmission, effectively acquiring the vibration and rotating speed signals of the automobile transmission and providing a simulated fault diagnosis analysis.

The invention belongs to the technical field of gas purification and provides a decarbonization solution and a decarbonization method due to the fact that CO2 content in recycle gas needs to be lowered when a novel high selective catalyst is adopted for synthesizing ethylene oxide/glycol. The solution is composed of potassium carbonate and an inorganic activating agent. Two-section absorption process of appropriate flow distribution and temperature control is adopted. Desorbing of the solution adopts novel transformation regeneration energy-saving technology, differential pressure is formed between two towers of a pressurization regeneration tower and a normal pressure regeneration tower by using a desorbing effect of an adjustable supersonic speed steam ejector on the normal pressure regeneration tower, mixed gas containing a large amount of water vapour is desorbed for gas stripping and regeneration for the pressurized regeneration tower. By means of the method, residue CO2 in the recycle gas after decarbonization is greatly reduced, and simultaneously solution reclaimed heat consumption is reduced by more than 30% compared with conventional potassium carbonate decarbonization process.

The invention discloses a three-hole parallel magnetic levitation vacuum tunnel structure. The structure comprises running tunnels on the two sides and a service tunnel on the middle. The running tunnels and the service tunnel are connected through a connection channel, the interiors of the running tunnels are vacuum environments, the bottoms of the running tunnels are in under-rail filling, a magnetic levitation rail beam is placed on the filling face, a magnetic levitation train runs on the magnetic levitation rail beam, the interior of the service tunnel is the normal pressure environment,the bottom of the service tunnel is in filling under equipment, equipment needed by magnetic levitation running is placed on the filling face, other spaces serve as evacuation channels, one end of theconnection channel communicates with the running tunnels, the other end of the connection channel communicates with the service tunnel, and a vacuum isolation wall and a vacuum isolation door are arranged on the connecting position of the communication channel and the running tunnels. The low-vacuum environment can be ensured, the ground space use can be reduced, adaptation to the terrain is high, the tunnel structure with good passenger evacuation, personal inspection and equipment arranging capacity is achieved, and meanwhile, practicability, safety and economy are all considered.

The invention provides a wet type fine particle high-efficiency cyclone removal device including a cyclone cylinder, a cyclone washing plate, an atomizer, a liquid film spray nozzle, a demister, a filter, a variable frequency water pump, a liquid collecting pool, a PM concentration measuring instrument and a control signal sensor; the lower end of a cylinder body of the cyclone cylinder is provided with the liquid collecting pool and a liquid discharging port, the upper part of the cylinder body is provided with a flue gas inlet in a tangential manner, and the upper end part of the cylinder body is provided with a flue gas outlet; the cyclone washing plate, the atomizer and the liquid film spray nozzle are successively fixedly arranged at the inner cavity of the cylinder body from bottom to top; the demister is arranged on the upper part of the inner cavity of the cylinder body and is located below the flue gas outlet; a water outlet of the water pump is connected with a water inlet of the liquid film spray nozzle and the atomizer through pipelines. With use of atomizing and dust settling, cyclone plate washing, and liquid film dust control and adsorption, the cyclone separation device can remove fine particles with high-efficiency, and is stable and reliable in running. After flue gas is purified, no fog and water entrained phenomenon exists, and a device material has the properties of corrosion resistance, wear resistance and high-temperature resistance and has long service life.

The invention relates to a deep learning framework transplanting and optimizing method and system based on a target many-core. The method comprises the steps: in a transplanting process, transplantinga source code of a deep learning framework to a target many-core machine, modifying and compiling the framework according to a compiling instruction of the target many-core machine, and enabling theframework to meet the operation conditions of the target many-core machine; the acceleration optimization process comprises the steps that the framework is used for operating a functional model basedon deep learning on domestic many-cores, a target many-core performance analysis tool is used for analyzing codes, and confirmation and extraction of hotspot functions are achieved; analyzing and testing features and function parameters of the hotspot function; accelerating the hotspot function by using a parallel acceleration library; and determining an optimization strategy, finally improving the speed-up ratio of the framework on the premise of ensuring the correctness of the framework, and modifying and testing the compiled file of the deep learning framework according to the current master-slave core parallel code so as to realize the hybrid compilation and operation of the current master-slave core parallel code.

The invention relates to a kickboxing competition scoring system, which comprises an input device, a CPU (central processing unit) and an output device, wherein the input device, the CPU and the output device are mutually connected; the input device comprises a main keyboard with a plurality of keys, and the keys of the main keyboard comprise a scoring key, a warning key, numeric keys, a start key and an end key; the output device comprises a VGA (video graphics array) output interface, an audio output interface and an LED (light-emitting diode) output interface; the CPU is cured with special software programs and connected with a side judging apparatus subsystem by a connector; and the CPU is connected with a memory. Compared with the prior art, the kickboxing competition scoring system has the advantages that the system is quick in running speed and start-up; 2, the system subjected to restarting automatically restores to the state of competition before interruption so as to ensure the continuity of the competition; and 3, in the process of competition, the system can be separated from a computer and operate independently, and meets the operation conditions only by a computer monitor, a television or other display screens with VGA interfaces, therefore, the cost of the system is reduced, and the system is convenient to use.

The invention provides a double-enzyme co-immobilizing method and an immobilized enzyme prepared through the method and belongs to the field of bioengineering, and multiple immobilized enzymes with high catalysis efficiency and low cost can be obtained. The double-enzyme co-immobilizing method comprises the following steps: adding a calcium chloride solution into a buffer solution containing alpha-acetolacetate decearboxylase and proline endoprotease which are to be immobilized, enabling full reaction at set temperature, and centrifugally separating and washing to obtain the immobilized enzymes of nanoflower structures. The double-enzyme co-immobilizing method can be applied to beer production, in particular to the final filter stage of clear wine in a beer production process.

The present invention relates to a control method for operation units. The method comprises: pre-determining a relative current value, and using the current value as a reference; then calculating a sum of current values of the practically running operation units according to a target frequency and a current temperature, comparing the sum of the current values with the relative current value used as the reference, and if the sum of the current values is smaller than the relative current value, using the target frequency corresponding to the sum of the current values as a candidate running frequency of the currently running operation units; and when the largest candidate running frequency is determined, setting the largest candidate running frequency as the running frequency of the currently running operation units. Namely, for a user, within a range of the relative current value, not only can running conditions of the operation units be met, so that the efficiency of the operation units is improved while current suppression is realized, but also running efficacy of the operation units cannot be suppressed, and thus, user experience also can be improved. Furthermore, the present invention provides a control system for the operation units.

The invention discloses an unpowered non-force self-flat-pressing oil groove integrated flotation seal device. Baffle rings are mounted on the upper ring face and the lower ring face of a sectioning seat ring with a seat ring flange and an occlusal face, upper integrated rectangular groove rings internally provided with 4 to 16 sectioning floating seal bodies are fixed to a baffle ring inner sideupper ring face, the 4 to 16 sectioning floating seal bodies are mounted inside, lower integrated rectangular groove rings with rectangular groove lower rings provided with oil filling holes are fixedto a baffle ring inner side lower ring face, an air inlet hole in a vertical ring face communicates with an air filter with a flat pressing hole and an air opening and internally provided with an airfilter body through a connecting pipe and a connecting hose, a flat pressing through hole in the lower ring face communicates with a shell with a flat pressing hole, provided with a flat pressing opening in the upper portion, and internally provided with a multi-layer oil mist filter body, a flow guide frame and an oil collection box through a flat pressing pipe and a connecting hose, the sectioning seat ring forms a whole circle through the occlusal face via occlusal bolts, through the seat ring flange, the occlusal bolts are used for fixing the whole sectioning seat ring to an oil groove, and the device can be widely applied to the field of hydro-generators and the like.

The invention discloses a tail low-resistance heat exchange device for a micro-positive pressure oil and gas fired boiler, which is characterized in that: exhaust gas discharged by the tail of the micro-positive pressure oil and gas fired boiler enters an inlet smoke box through a straight flue; a heat exchange component in the heat exchange device between the inlet smoke box and an outlet smoke box is a screwed pipe; the top of the heat exchange device is provided with an oxygen removing tower which is connected with an inlet water spray pipe; and the top of the oxygen removing tower is provided with a steam escape port. The tail low-resistance heat exchange device for the micro-positive pressure oil and gas fired boiler has the advantages of greatly improving the thermal efficiency of the micro-positive pressure boiler, reducing the manufacturing cost of the product, and ensuring stable and reliable running.

The invention puts forward a reliable operation method of a drilling machine electronic control system in the low-temperature environment. A dehumidification and heating device is arranged in a control room of the drilling machine electronic control system; a heater with a temperature control function is added at the position of an air conditioner outdoor unit; an electrically controlled louver type exhaust fan is additionally installed at the upper end of a heat dissipation air outlet of the outdoor unit, a temperature control device is additionally installed at the air conditioner outdoor unit, a temperature control signal has access to a power supply control loop of the louver type exhaust fan, and the temperature control device is in linkage control with the louver type exhaust fan; and a pressure detecting device is additionally installed on an air pressure pipeline connected with the air conditioner outer unit, the measured pressure detection signal has access to a control loop of an outer unit fan, and the pressure detecting device is in linkage control with the outer unit fan. The reliable operation method has the beneficial effects that normal operation of the drilling machine electronic control system is ensured under the low-temperature environment condition, and the materials needed for refitting are easily available and easy to assemble.

The invention discloses a protection device for power maintenance. The device comprises a device shell, a rubber bottom plate is mounted at the bottom in the device shell; a sliding door is mounted ata rear part of the device shell; a first workbench is mounted at the top of a left side of the device shell, a second workbench is mounted at the top of a right side of the device shell; a first fixed block is mounted below a right side of the first worktable; a second fixed block is mounted below a left side of the second worktable; a safety belt hook is mounted at the bottom of each of the first fixed block and the second fixed block; a right side of the first fixed block and a left side of the second fixing block are each provided with a grip. The device has the advantages that various operation conditions can be met, the protectiveness of workers is improved, technical communication with technicians can be conducted in time during maintenance, the maintenance work efficiency is greatly improved, the practicability is high, and the device is suitable for being used and popularized in a large range.

A DC voltage coordination control method is applied to a multi-terminal VSC-HVDC power transmission system or a VSC-HVDC power grid system. When a lower-level control is used in the active power control mode, the active power reference value of the converter is generated according to the converter DC voltage and the converter DC voltage active power curve; it also includes an upper-level control to adjust the control mode and active power setting value of the lower-level control to ensure the steady-state performance of the system. This method has low dependence on communication, avoids the problem that the fixed slope and margin cannot meet all operating conditions, and is suitable for large-scale VSC-HVDC systems, and has scalability.